Use own forks for logrus-prefixed-formatter and discordgo

pull/493/head
Wim 6 years ago
parent 6ef09def81
commit 7f3cbcedc0

@ -8,9 +8,9 @@ import (
"time"
"github.com/fsnotify/fsnotify"
prefixed "github.com/matterbridge/logrus-prefixed-formatter"
log "github.com/sirupsen/logrus"
"github.com/spf13/viper"
prefixed "github.com/x-cray/logrus-prefixed-formatter"
)
const (

@ -10,7 +10,7 @@ import (
"github.com/42wim/matterbridge/bridge"
"github.com/42wim/matterbridge/bridge/config"
"github.com/42wim/matterbridge/bridge/helper"
"github.com/bwmarrin/discordgo"
"github.com/matterbridge/discordgo"
)
const MessageLength = 1950

@ -9,8 +9,8 @@ import (
"github.com/42wim/matterbridge/bridge/config"
"github.com/42wim/matterbridge/gateway"
"github.com/google/gops/agent"
prefixed "github.com/matterbridge/logrus-prefixed-formatter"
log "github.com/sirupsen/logrus"
prefixed "github.com/x-cray/logrus-prefixed-formatter"
)
var (

@ -13,8 +13,8 @@ import (
"sync"
"time"
prefixed "github.com/matterbridge/logrus-prefixed-formatter"
log "github.com/sirupsen/logrus"
prefixed "github.com/x-cray/logrus-prefixed-formatter"
"github.com/gorilla/websocket"
"github.com/hashicorp/golang-lru"

@ -0,0 +1,28 @@
Copyright (c) 2015, Bruce Marriner
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of discordgo nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

@ -0,0 +1,146 @@
// Discordgo - Discord bindings for Go
// Available at https://github.com/bwmarrin/discordgo
// Copyright 2015-2016 Bruce Marriner <bruce@sqls.net>. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This file contains high level helper functions and easy entry points for the
// entire discordgo package. These functions are beling developed and are very
// experimental at this point. They will most likley change so please use the
// low level functions if that's a problem.
// Package discordgo provides Discord binding for Go
package discordgo
import (
"errors"
"fmt"
"net/http"
"time"
)
// VERSION of DiscordGo, follows Semantic Versioning. (http://semver.org/)
const VERSION = "0.18.0"
// ErrMFA will be risen by New when the user has 2FA.
var ErrMFA = errors.New("account has 2FA enabled")
// New creates a new Discord session and will automate some startup
// tasks if given enough information to do so. Currently you can pass zero
// arguments and it will return an empty Discord session.
// There are 3 ways to call New:
// With a single auth token - All requests will use the token blindly,
// no verification of the token will be done and requests may fail.
// IF THE TOKEN IS FOR A BOT, IT MUST BE PREFIXED WITH `BOT `
// eg: `"Bot <token>"`
// With an email and password - Discord will sign in with the provided
// credentials.
// With an email, password and auth token - Discord will verify the auth
// token, if it is invalid it will sign in with the provided
// credentials. This is the Discord recommended way to sign in.
//
// NOTE: While email/pass authentication is supported by DiscordGo it is
// HIGHLY DISCOURAGED by Discord. Please only use email/pass to obtain a token
// and then use that authentication token for all future connections.
// Also, doing any form of automation with a user (non Bot) account may result
// in that account being permanently banned from Discord.
func New(args ...interface{}) (s *Session, err error) {
// Create an empty Session interface.
s = &Session{
State: NewState(),
Ratelimiter: NewRatelimiter(),
StateEnabled: true,
Compress: true,
ShouldReconnectOnError: true,
ShardID: 0,
ShardCount: 1,
MaxRestRetries: 3,
Client: &http.Client{Timeout: (20 * time.Second)},
sequence: new(int64),
LastHeartbeatAck: time.Now().UTC(),
}
// If no arguments are passed return the empty Session interface.
if args == nil {
return
}
// Variables used below when parsing func arguments
var auth, pass string
// Parse passed arguments
for _, arg := range args {
switch v := arg.(type) {
case []string:
if len(v) > 3 {
err = fmt.Errorf("too many string parameters provided")
return
}
// First string is either token or username
if len(v) > 0 {
auth = v[0]
}
// If second string exists, it must be a password.
if len(v) > 1 {
pass = v[1]
}
// If third string exists, it must be an auth token.
if len(v) > 2 {
s.Token = v[2]
}
case string:
// First string must be either auth token or username.
// Second string must be a password.
// Only 2 input strings are supported.
if auth == "" {
auth = v
} else if pass == "" {
pass = v
} else if s.Token == "" {
s.Token = v
} else {
err = fmt.Errorf("too many string parameters provided")
return
}
// case Config:
// TODO: Parse configuration struct
default:
err = fmt.Errorf("unsupported parameter type provided")
return
}
}
// If only one string was provided, assume it is an auth token.
// Otherwise get auth token from Discord, if a token was specified
// Discord will verify it for free, or log the user in if it is
// invalid.
if pass == "" {
s.Token = auth
} else {
err = s.Login(auth, pass)
if err != nil || s.Token == "" {
if s.MFA {
err = ErrMFA
} else {
err = fmt.Errorf("Unable to fetch discord authentication token. %v", err)
}
return
}
}
// The Session is now able to have RestAPI methods called on it.
// It is recommended that you now call Open() so that events will trigger.
return
}

@ -0,0 +1,136 @@
// Discordgo - Discord bindings for Go
// Available at https://github.com/bwmarrin/discordgo
// Copyright 2015-2016 Bruce Marriner <bruce@sqls.net>. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This file contains variables for all known Discord end points. All functions
// throughout the Discordgo package use these variables for all connections
// to Discord. These are all exported and you may modify them if needed.
package discordgo
// APIVersion is the Discord API version used for the REST and Websocket API.
var APIVersion = "6"
// Known Discord API Endpoints.
var (
EndpointStatus = "https://status.discordapp.com/api/v2/"
EndpointSm = EndpointStatus + "scheduled-maintenances/"
EndpointSmActive = EndpointSm + "active.json"
EndpointSmUpcoming = EndpointSm + "upcoming.json"
EndpointDiscord = "https://discordapp.com/"
EndpointAPI = EndpointDiscord + "api/v" + APIVersion + "/"
EndpointGuilds = EndpointAPI + "guilds/"
EndpointChannels = EndpointAPI + "channels/"
EndpointUsers = EndpointAPI + "users/"
EndpointGateway = EndpointAPI + "gateway"
EndpointGatewayBot = EndpointGateway + "/bot"
EndpointWebhooks = EndpointAPI + "webhooks/"
EndpointCDN = "https://cdn.discordapp.com/"
EndpointCDNAttachments = EndpointCDN + "attachments/"
EndpointCDNAvatars = EndpointCDN + "avatars/"
EndpointCDNIcons = EndpointCDN + "icons/"
EndpointCDNSplashes = EndpointCDN + "splashes/"
EndpointCDNChannelIcons = EndpointCDN + "channel-icons/"
EndpointAuth = EndpointAPI + "auth/"
EndpointLogin = EndpointAuth + "login"
EndpointLogout = EndpointAuth + "logout"
EndpointVerify = EndpointAuth + "verify"
EndpointVerifyResend = EndpointAuth + "verify/resend"
EndpointForgotPassword = EndpointAuth + "forgot"
EndpointResetPassword = EndpointAuth + "reset"
EndpointRegister = EndpointAuth + "register"
EndpointVoice = EndpointAPI + "/voice/"
EndpointVoiceRegions = EndpointVoice + "regions"
EndpointVoiceIce = EndpointVoice + "ice"
EndpointTutorial = EndpointAPI + "tutorial/"
EndpointTutorialIndicators = EndpointTutorial + "indicators"
EndpointTrack = EndpointAPI + "track"
EndpointSso = EndpointAPI + "sso"
EndpointReport = EndpointAPI + "report"
EndpointIntegrations = EndpointAPI + "integrations"
EndpointUser = func(uID string) string { return EndpointUsers + uID }
EndpointUserAvatar = func(uID, aID string) string { return EndpointCDNAvatars + uID + "/" + aID + ".png" }
EndpointUserAvatarAnimated = func(uID, aID string) string { return EndpointCDNAvatars + uID + "/" + aID + ".gif" }
EndpointUserSettings = func(uID string) string { return EndpointUsers + uID + "/settings" }
EndpointUserGuilds = func(uID string) string { return EndpointUsers + uID + "/guilds" }
EndpointUserGuild = func(uID, gID string) string { return EndpointUsers + uID + "/guilds/" + gID }
EndpointUserGuildSettings = func(uID, gID string) string { return EndpointUsers + uID + "/guilds/" + gID + "/settings" }
EndpointUserChannels = func(uID string) string { return EndpointUsers + uID + "/channels" }
EndpointUserDevices = func(uID string) string { return EndpointUsers + uID + "/devices" }
EndpointUserConnections = func(uID string) string { return EndpointUsers + uID + "/connections" }
EndpointUserNotes = func(uID string) string { return EndpointUsers + "@me/notes/" + uID }
EndpointGuild = func(gID string) string { return EndpointGuilds + gID }
EndpointGuildChannels = func(gID string) string { return EndpointGuilds + gID + "/channels" }
EndpointGuildMembers = func(gID string) string { return EndpointGuilds + gID + "/members" }
EndpointGuildMember = func(gID, uID string) string { return EndpointGuilds + gID + "/members/" + uID }
EndpointGuildMemberRole = func(gID, uID, rID string) string { return EndpointGuilds + gID + "/members/" + uID + "/roles/" + rID }
EndpointGuildBans = func(gID string) string { return EndpointGuilds + gID + "/bans" }
EndpointGuildBan = func(gID, uID string) string { return EndpointGuilds + gID + "/bans/" + uID }
EndpointGuildIntegrations = func(gID string) string { return EndpointGuilds + gID + "/integrations" }
EndpointGuildIntegration = func(gID, iID string) string { return EndpointGuilds + gID + "/integrations/" + iID }
EndpointGuildIntegrationSync = func(gID, iID string) string { return EndpointGuilds + gID + "/integrations/" + iID + "/sync" }
EndpointGuildRoles = func(gID string) string { return EndpointGuilds + gID + "/roles" }
EndpointGuildRole = func(gID, rID string) string { return EndpointGuilds + gID + "/roles/" + rID }
EndpointGuildInvites = func(gID string) string { return EndpointGuilds + gID + "/invites" }
EndpointGuildEmbed = func(gID string) string { return EndpointGuilds + gID + "/embed" }
EndpointGuildPrune = func(gID string) string { return EndpointGuilds + gID + "/prune" }
EndpointGuildIcon = func(gID, hash string) string { return EndpointCDNIcons + gID + "/" + hash + ".png" }
EndpointGuildSplash = func(gID, hash string) string { return EndpointCDNSplashes + gID + "/" + hash + ".png" }
EndpointGuildWebhooks = func(gID string) string { return EndpointGuilds + gID + "/webhooks" }
EndpointChannel = func(cID string) string { return EndpointChannels + cID }
EndpointChannelPermissions = func(cID string) string { return EndpointChannels + cID + "/permissions" }
EndpointChannelPermission = func(cID, tID string) string { return EndpointChannels + cID + "/permissions/" + tID }
EndpointChannelInvites = func(cID string) string { return EndpointChannels + cID + "/invites" }
EndpointChannelTyping = func(cID string) string { return EndpointChannels + cID + "/typing" }
EndpointChannelMessages = func(cID string) string { return EndpointChannels + cID + "/messages" }
EndpointChannelMessage = func(cID, mID string) string { return EndpointChannels + cID + "/messages/" + mID }
EndpointChannelMessageAck = func(cID, mID string) string { return EndpointChannels + cID + "/messages/" + mID + "/ack" }
EndpointChannelMessagesBulkDelete = func(cID string) string { return EndpointChannel(cID) + "/messages/bulk-delete" }
EndpointChannelMessagesPins = func(cID string) string { return EndpointChannel(cID) + "/pins" }
EndpointChannelMessagePin = func(cID, mID string) string { return EndpointChannel(cID) + "/pins/" + mID }
EndpointGroupIcon = func(cID, hash string) string { return EndpointCDNChannelIcons + cID + "/" + hash + ".png" }
EndpointChannelWebhooks = func(cID string) string { return EndpointChannel(cID) + "/webhooks" }
EndpointWebhook = func(wID string) string { return EndpointWebhooks + wID }
EndpointWebhookToken = func(wID, token string) string { return EndpointWebhooks + wID + "/" + token }
EndpointMessageReactionsAll = func(cID, mID string) string {
return EndpointChannelMessage(cID, mID) + "/reactions"
}
EndpointMessageReactions = func(cID, mID, eID string) string {
return EndpointChannelMessage(cID, mID) + "/reactions/" + eID
}
EndpointMessageReaction = func(cID, mID, eID, uID string) string {
return EndpointMessageReactions(cID, mID, eID) + "/" + uID
}
EndpointRelationships = func() string { return EndpointUsers + "@me" + "/relationships" }
EndpointRelationship = func(uID string) string { return EndpointRelationships() + "/" + uID }
EndpointRelationshipsMutual = func(uID string) string { return EndpointUsers + uID + "/relationships" }
EndpointGuildCreate = EndpointAPI + "guilds"
EndpointInvite = func(iID string) string { return EndpointAPI + "invite/" + iID }
EndpointIntegrationsJoin = func(iID string) string { return EndpointAPI + "integrations/" + iID + "/join" }
EndpointEmoji = func(eID string) string { return EndpointAPI + "emojis/" + eID + ".png" }
EndpointOauth2 = EndpointAPI + "oauth2/"
EndpointApplications = EndpointOauth2 + "applications"
EndpointApplication = func(aID string) string { return EndpointApplications + "/" + aID }
EndpointApplicationsBot = func(aID string) string { return EndpointApplications + "/" + aID + "/bot" }
)

@ -0,0 +1,238 @@
package discordgo
// EventHandler is an interface for Discord events.
type EventHandler interface {
// Type returns the type of event this handler belongs to.
Type() string
// Handle is called whenever an event of Type() happens.
// It is the receivers responsibility to type assert that the interface
// is the expected struct.
Handle(*Session, interface{})
}
// EventInterfaceProvider is an interface for providing empty interfaces for
// Discord events.
type EventInterfaceProvider interface {
// Type is the type of event this handler belongs to.
Type() string
// New returns a new instance of the struct this event handler handles.
// This is called once per event.
// The struct is provided to all handlers of the same Type().
New() interface{}
}
// interfaceEventType is the event handler type for interface{} events.
const interfaceEventType = "__INTERFACE__"
// interfaceEventHandler is an event handler for interface{} events.
type interfaceEventHandler func(*Session, interface{})
// Type returns the event type for interface{} events.
func (eh interfaceEventHandler) Type() string {
return interfaceEventType
}
// Handle is the handler for an interface{} event.
func (eh interfaceEventHandler) Handle(s *Session, i interface{}) {
eh(s, i)
}
var registeredInterfaceProviders = map[string]EventInterfaceProvider{}
// registerInterfaceProvider registers a provider so that DiscordGo can
// access it's New() method.
func registerInterfaceProvider(eh EventInterfaceProvider) {
if _, ok := registeredInterfaceProviders[eh.Type()]; ok {
return
// XXX:
// if we should error here, we need to do something with it.
// fmt.Errorf("event %s already registered", eh.Type())
}
registeredInterfaceProviders[eh.Type()] = eh
return
}
// eventHandlerInstance is a wrapper around an event handler, as functions
// cannot be compared directly.
type eventHandlerInstance struct {
eventHandler EventHandler
}
// addEventHandler adds an event handler that will be fired anytime
// the Discord WSAPI matching eventHandler.Type() fires.
func (s *Session) addEventHandler(eventHandler EventHandler) func() {
s.handlersMu.Lock()
defer s.handlersMu.Unlock()
if s.handlers == nil {
s.handlers = map[string][]*eventHandlerInstance{}
}
ehi := &eventHandlerInstance{eventHandler}
s.handlers[eventHandler.Type()] = append(s.handlers[eventHandler.Type()], ehi)
return func() {
s.removeEventHandlerInstance(eventHandler.Type(), ehi)
}
}
// addEventHandler adds an event handler that will be fired the next time
// the Discord WSAPI matching eventHandler.Type() fires.
func (s *Session) addEventHandlerOnce(eventHandler EventHandler) func() {
s.handlersMu.Lock()
defer s.handlersMu.Unlock()
if s.onceHandlers == nil {
s.onceHandlers = map[string][]*eventHandlerInstance{}
}
ehi := &eventHandlerInstance{eventHandler}
s.onceHandlers[eventHandler.Type()] = append(s.onceHandlers[eventHandler.Type()], ehi)
return func() {
s.removeEventHandlerInstance(eventHandler.Type(), ehi)
}
}
// AddHandler allows you to add an event handler that will be fired anytime
// the Discord WSAPI event that matches the function fires.
// events.go contains all the Discord WSAPI events that can be fired.
// eg:
// Session.AddHandler(func(s *discordgo.Session, m *discordgo.MessageCreate) {
// })
//
// or:
// Session.AddHandler(func(s *discordgo.Session, m *discordgo.PresenceUpdate) {
// })
// The return value of this method is a function, that when called will remove the
// event handler.
func (s *Session) AddHandler(handler interface{}) func() {
eh := handlerForInterface(handler)
if eh == nil {
s.log(LogError, "Invalid handler type, handler will never be called")
return func() {}
}
return s.addEventHandler(eh)
}
// AddHandlerOnce allows you to add an event handler that will be fired the next time
// the Discord WSAPI event that matches the function fires.
// See AddHandler for more details.
func (s *Session) AddHandlerOnce(handler interface{}) func() {
eh := handlerForInterface(handler)
if eh == nil {
s.log(LogError, "Invalid handler type, handler will never be called")
return func() {}
}
return s.addEventHandlerOnce(eh)
}
// removeEventHandler instance removes an event handler instance.
func (s *Session) removeEventHandlerInstance(t string, ehi *eventHandlerInstance) {
s.handlersMu.Lock()
defer s.handlersMu.Unlock()
handlers := s.handlers[t]
for i := range handlers {
if handlers[i] == ehi {
s.handlers[t] = append(handlers[:i], handlers[i+1:]...)
}
}
onceHandlers := s.onceHandlers[t]
for i := range onceHandlers {
if onceHandlers[i] == ehi {
s.onceHandlers[t] = append(onceHandlers[:i], handlers[i+1:]...)
}
}
}
// Handles calling permanent and once handlers for an event type.
func (s *Session) handle(t string, i interface{}) {
for _, eh := range s.handlers[t] {
if s.SyncEvents {
eh.eventHandler.Handle(s, i)
} else {
go eh.eventHandler.Handle(s, i)
}
}
if len(s.onceHandlers[t]) > 0 {
for _, eh := range s.onceHandlers[t] {
if s.SyncEvents {
eh.eventHandler.Handle(s, i)
} else {
go eh.eventHandler.Handle(s, i)
}
}
s.onceHandlers[t] = nil
}
}
// Handles an event type by calling internal methods, firing handlers and firing the
// interface{} event.
func (s *Session) handleEvent(t string, i interface{}) {
s.handlersMu.RLock()
defer s.handlersMu.RUnlock()
// All events are dispatched internally first.
s.onInterface(i)
// Then they are dispatched to anyone handling interface{} events.
s.handle(interfaceEventType, i)
// Finally they are dispatched to any typed handlers.
s.handle(t, i)
}
// setGuildIds will set the GuildID on all the members of a guild.
// This is done as event data does not have it set.
func setGuildIds(g *Guild) {
for _, c := range g.Channels {
c.GuildID = g.ID
}
for _, m := range g.Members {
m.GuildID = g.ID
}
for _, vs := range g.VoiceStates {
vs.GuildID = g.ID
}
}
// onInterface handles all internal events and routes them to the appropriate internal handler.
func (s *Session) onInterface(i interface{}) {
switch t := i.(type) {
case *Ready:
for _, g := range t.Guilds {
setGuildIds(g)
}
s.onReady(t)
case *GuildCreate:
setGuildIds(t.Guild)
case *GuildUpdate:
setGuildIds(t.Guild)
case *VoiceServerUpdate:
go s.onVoiceServerUpdate(t)
case *VoiceStateUpdate:
go s.onVoiceStateUpdate(t)
}
err := s.State.OnInterface(s, i)
if err != nil {
s.log(LogDebug, "error dispatching internal event, %s", err)
}
}
// onReady handles the ready event.
func (s *Session) onReady(r *Ready) {
// Store the SessionID within the Session struct.
s.sessionID = r.SessionID
}

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@ -0,0 +1,253 @@
package discordgo
import (
"encoding/json"
)
// This file contains all the possible structs that can be
// handled by AddHandler/EventHandler.
// DO NOT ADD ANYTHING BUT EVENT HANDLER STRUCTS TO THIS FILE.
//go:generate go run tools/cmd/eventhandlers/main.go
// Connect is the data for a Connect event.
// This is a sythetic event and is not dispatched by Discord.
type Connect struct{}
// Disconnect is the data for a Disconnect event.
// This is a sythetic event and is not dispatched by Discord.
type Disconnect struct{}
// RateLimit is the data for a RateLimit event.
// This is a sythetic event and is not dispatched by Discord.
type RateLimit struct {
*TooManyRequests
URL string
}
// Event provides a basic initial struct for all websocket events.
type Event struct {
Operation int `json:"op"`
Sequence int64 `json:"s"`
Type string `json:"t"`
RawData json.RawMessage `json:"d"`
// Struct contains one of the other types in this file.
Struct interface{} `json:"-"`
}
// A Ready stores all data for the websocket READY event.
type Ready struct {
Version int `json:"v"`
SessionID string `json:"session_id"`
User *User `json:"user"`
ReadState []*ReadState `json:"read_state"`
PrivateChannels []*Channel `json:"private_channels"`
Guilds []*Guild `json:"guilds"`
// Undocumented fields
Settings *Settings `json:"user_settings"`
UserGuildSettings []*UserGuildSettings `json:"user_guild_settings"`
Relationships []*Relationship `json:"relationships"`
Presences []*Presence `json:"presences"`
Notes map[string]string `json:"notes"`
}
// ChannelCreate is the data for a ChannelCreate event.
type ChannelCreate struct {
*Channel
}
// ChannelUpdate is the data for a ChannelUpdate event.
type ChannelUpdate struct {
*Channel
}
// ChannelDelete is the data for a ChannelDelete event.
type ChannelDelete struct {
*Channel
}
// ChannelPinsUpdate stores data for a ChannelPinsUpdate event.
type ChannelPinsUpdate struct {
LastPinTimestamp string `json:"last_pin_timestamp"`
ChannelID string `json:"channel_id"`
}
// GuildCreate is the data for a GuildCreate event.
type GuildCreate struct {
*Guild
}
// GuildUpdate is the data for a GuildUpdate event.
type GuildUpdate struct {
*Guild
}
// GuildDelete is the data for a GuildDelete event.
type GuildDelete struct {
*Guild
}
// GuildBanAdd is the data for a GuildBanAdd event.
type GuildBanAdd struct {
User *User `json:"user"`
GuildID string `json:"guild_id"`
}
// GuildBanRemove is the data for a GuildBanRemove event.
type GuildBanRemove struct {
User *User `json:"user"`
GuildID string `json:"guild_id"`
}
// GuildMemberAdd is the data for a GuildMemberAdd event.
type GuildMemberAdd struct {
*Member
}
// GuildMemberUpdate is the data for a GuildMemberUpdate event.
type GuildMemberUpdate struct {
*Member
}
// GuildMemberRemove is the data for a GuildMemberRemove event.
type GuildMemberRemove struct {
*Member
}
// GuildRoleCreate is the data for a GuildRoleCreate event.
type GuildRoleCreate struct {
*GuildRole
}
// GuildRoleUpdate is the data for a GuildRoleUpdate event.
type GuildRoleUpdate struct {
*GuildRole
}
// A GuildRoleDelete is the data for a GuildRoleDelete event.
type GuildRoleDelete struct {
RoleID string `json:"role_id"`
GuildID string `json:"guild_id"`
}
// A GuildEmojisUpdate is the data for a guild emoji update event.
type GuildEmojisUpdate struct {
GuildID string `json:"guild_id"`
Emojis []*Emoji `json:"emojis"`
}
// A GuildMembersChunk is the data for a GuildMembersChunk event.
type GuildMembersChunk struct {
GuildID string `json:"guild_id"`
Members []*Member `json:"members"`
}
// GuildIntegrationsUpdate is the data for a GuildIntegrationsUpdate event.
type GuildIntegrationsUpdate struct {
GuildID string `json:"guild_id"`
}
// MessageAck is the data for a MessageAck event.
type MessageAck struct {
MessageID string `json:"message_id"`
ChannelID string `json:"channel_id"`
}
// MessageCreate is the data for a MessageCreate event.
type MessageCreate struct {
*Message
}
// MessageUpdate is the data for a MessageUpdate event.
type MessageUpdate struct {
*Message
}
// MessageDelete is the data for a MessageDelete event.
type MessageDelete struct {
*Message
}
// MessageReactionAdd is the data for a MessageReactionAdd event.
type MessageReactionAdd struct {
*MessageReaction
}
// MessageReactionRemove is the data for a MessageReactionRemove event.
type MessageReactionRemove struct {
*MessageReaction
}
// MessageReactionRemoveAll is the data for a MessageReactionRemoveAll event.
type MessageReactionRemoveAll struct {
*MessageReaction
}
// PresencesReplace is the data for a PresencesReplace event.
type PresencesReplace []*Presence
// PresenceUpdate is the data for a PresenceUpdate event.
type PresenceUpdate struct {
Presence
GuildID string `json:"guild_id"`
Roles []string `json:"roles"`
}
// Resumed is the data for a Resumed event.
type Resumed struct {
Trace []string `json:"_trace"`
}
// RelationshipAdd is the data for a RelationshipAdd event.
type RelationshipAdd struct {
*Relationship
}
// RelationshipRemove is the data for a RelationshipRemove event.
type RelationshipRemove struct {
*Relationship
}
// TypingStart is the data for a TypingStart event.
type TypingStart struct {
UserID string `json:"user_id"`
ChannelID string `json:"channel_id"`
Timestamp int `json:"timestamp"`
}
// UserUpdate is the data for a UserUpdate event.
type UserUpdate struct {
*User
}
// UserSettingsUpdate is the data for a UserSettingsUpdate event.
type UserSettingsUpdate map[string]interface{}
// UserGuildSettingsUpdate is the data for a UserGuildSettingsUpdate event.
type UserGuildSettingsUpdate struct {
*UserGuildSettings
}
// UserNoteUpdate is the data for a UserNoteUpdate event.
type UserNoteUpdate struct {
ID string `json:"id"`
Note string `json:"note"`
}
// VoiceServerUpdate is the data for a VoiceServerUpdate event.
type VoiceServerUpdate struct {
Token string `json:"token"`
GuildID string `json:"guild_id"`
Endpoint string `json:"endpoint"`
}
// VoiceStateUpdate is the data for a VoiceStateUpdate event.
type VoiceStateUpdate struct {
*VoiceState
}
// MessageDeleteBulk is the data for a MessageDeleteBulk event
type MessageDeleteBulk struct {
Messages []string `json:"ids"`
ChannelID string `json:"channel_id"`
}

@ -0,0 +1,211 @@
package main
import (
"encoding/binary"
"flag"
"fmt"
"io"
"os"
"os/signal"
"strings"
"syscall"
"time"
"github.com/bwmarrin/discordgo"
)
func init() {
flag.StringVar(&token, "t", "", "Bot Token")
flag.Parse()
}
var token string
var buffer = make([][]byte, 0)
func main() {
if token == "" {
fmt.Println("No token provided. Please run: airhorn -t <bot token>")
return
}
// Load the sound file.
err := loadSound()
if err != nil {
fmt.Println("Error loading sound: ", err)
fmt.Println("Please copy $GOPATH/src/github.com/bwmarrin/examples/airhorn/airhorn.dca to this directory.")
return
}
// Create a new Discord session using the provided bot token.
dg, err := discordgo.New("Bot " + token)
if err != nil {
fmt.Println("Error creating Discord session: ", err)
return
}
// Register ready as a callback for the ready events.
dg.AddHandler(ready)
// Register messageCreate as a callback for the messageCreate events.
dg.AddHandler(messageCreate)
// Register guildCreate as a callback for the guildCreate events.
dg.AddHandler(guildCreate)
// Open the websocket and begin listening.
err = dg.Open()
if err != nil {
fmt.Println("Error opening Discord session: ", err)
}
// Wait here until CTRL-C or other term signal is received.
fmt.Println("Airhorn is now running. Press CTRL-C to exit.")
sc := make(chan os.Signal, 1)
signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM, os.Interrupt, os.Kill)
<-sc
// Cleanly close down the Discord session.
dg.Close()
}
// This function will be called (due to AddHandler above) when the bot receives
// the "ready" event from Discord.
func ready(s *discordgo.Session, event *discordgo.Ready) {
// Set the playing status.
s.UpdateStatus(0, "!airhorn")
}
// This function will be called (due to AddHandler above) every time a new
// message is created on any channel that the autenticated bot has access to.
func messageCreate(s *discordgo.Session, m *discordgo.MessageCreate) {
// Ignore all messages created by the bot itself
// This isn't required in this specific example but it's a good practice.
if m.Author.ID == s.State.User.ID {
return
}
// check if the message is "!airhorn"
if strings.HasPrefix(m.Content, "!airhorn") {
// Find the channel that the message came from.
c, err := s.State.Channel(m.ChannelID)
if err != nil {
// Could not find channel.
return
}
// Find the guild for that channel.
g, err := s.State.Guild(c.GuildID)
if err != nil {
// Could not find guild.
return
}
// Look for the message sender in that guild's current voice states.
for _, vs := range g.VoiceStates {
if vs.UserID == m.Author.ID {
err = playSound(s, g.ID, vs.ChannelID)
if err != nil {
fmt.Println("Error playing sound:", err)
}
return
}
}
}
}
// This function will be called (due to AddHandler above) every time a new
// guild is joined.
func guildCreate(s *discordgo.Session, event *discordgo.GuildCreate) {
if event.Guild.Unavailable {
return
}
for _, channel := range event.Guild.Channels {
if channel.ID == event.Guild.ID {
_, _ = s.ChannelMessageSend(channel.ID, "Airhorn is ready! Type !airhorn while in a voice channel to play a sound.")
return
}
}
}
// loadSound attempts to load an encoded sound file from disk.
func loadSound() error {
file, err := os.Open("airhorn.dca")
if err != nil {
fmt.Println("Error opening dca file :", err)
return err
}
var opuslen int16
for {
// Read opus frame length from dca file.
err = binary.Read(file, binary.LittleEndian, &opuslen)
// If this is the end of the file, just return.
if err == io.EOF || err == io.ErrUnexpectedEOF {
err := file.Close()
if err != nil {
return err
}
return nil
}
if err != nil {
fmt.Println("Error reading from dca file :", err)
return err
}
// Read encoded pcm from dca file.
InBuf := make([]byte, opuslen)
err = binary.Read(file, binary.LittleEndian, &InBuf)
// Should not be any end of file errors
if err != nil {
fmt.Println("Error reading from dca file :", err)
return err
}
// Append encoded pcm data to the buffer.
buffer = append(buffer, InBuf)
}
}
// playSound plays the current buffer to the provided channel.
func playSound(s *discordgo.Session, guildID, channelID string) (err error) {
// Join the provided voice channel.
vc, err := s.ChannelVoiceJoin(guildID, channelID, false, true)
if err != nil {
return err
}
// Sleep for a specified amount of time before playing the sound
time.Sleep(250 * time.Millisecond)
// Start speaking.
vc.Speaking(true)
// Send the buffer data.
for _, buff := range buffer {
vc.OpusSend <- buff
}
// Stop speaking
vc.Speaking(false)
// Sleep for a specificed amount of time before ending.
time.Sleep(250 * time.Millisecond)
// Disconnect from the provided voice channel.
vc.Disconnect()
return nil
}

@ -0,0 +1,103 @@
package main
import (
"encoding/json"
"flag"
"fmt"
"os"
"github.com/bwmarrin/discordgo"
)
// Variables used for command line options
var (
Token string
Name string
DeleteID string
ListOnly bool
)
func init() {
flag.StringVar(&Token, "t", "", "Owner Account Token")
flag.StringVar(&Name, "n", "", "Name to give App/Bot")
flag.StringVar(&DeleteID, "d", "", "Application ID to delete")
flag.BoolVar(&ListOnly, "l", false, "List Applications Only")
flag.Parse()
if Token == "" {
flag.Usage()
os.Exit(1)
}
}
func main() {
var err error
// Create a new Discord session using the provided login information.
dg, err := discordgo.New(Token)
if err != nil {
fmt.Println("error creating Discord session,", err)
return
}
// If -l set, only display a list of existing applications
// for the given account.
if ListOnly {
aps, err := dg.Applications()
if err != nil {
fmt.Println("error fetching applications,", err)
return
}
for _, v := range aps {
fmt.Println("-----------------------------------------------------")
b, _ := json.MarshalIndent(v, "", " ")
fmt.Println(string(b))
}
return
}
// if -d set, delete the given Application
if DeleteID != "" {
err = dg.ApplicationDelete(DeleteID)
if err != nil {
fmt.Println("error deleting application,", err)
}
return
}
if Name == "" {
flag.Usage()
os.Exit(1)
}
// Create a new application.
ap := &discordgo.Application{}
ap.Name = Name
ap, err = dg.ApplicationCreate(ap)
if err != nil {
fmt.Println("error creating new application,", err)
return
}
fmt.Printf("Application created successfully:\n")
b, _ := json.MarshalIndent(ap, "", " ")
fmt.Println(string(b))
// Create the bot account under the application we just created
bot, err := dg.ApplicationBotCreate(ap.ID)
if err != nil {
fmt.Println("error creating bot account,", err)
return
}
fmt.Printf("Bot account created successfully.\n")
b, _ = json.MarshalIndent(bot, "", " ")
fmt.Println(string(b))
fmt.Println("Please save the above posted info in a secure place.")
fmt.Println("You will need that information to login with your bot account.")
}

@ -0,0 +1,89 @@
package main
import (
"encoding/base64"
"flag"
"fmt"
"io/ioutil"
"net/http"
"os"
"github.com/bwmarrin/discordgo"
)
// Variables used for command line parameters
var (
Token string
AvatarFile string
AvatarURL string
)
func init() {
flag.StringVar(&Token, "t", "", "Bot Token")
flag.StringVar(&AvatarFile, "f", "", "Avatar File Name")
flag.StringVar(&AvatarURL, "u", "", "URL to the avatar image")
flag.Parse()
if Token == "" || (AvatarFile == "" && AvatarURL == "") {
flag.Usage()
os.Exit(1)
}
}
func main() {
// Create a new Discord session using the provided login information.
dg, err := discordgo.New("Bot " + Token)
if err != nil {
fmt.Println("error creating Discord session,", err)
return
}
// Declare these here so they can be used in the below two if blocks and
// still carry over to the end of this function.
var base64img string
var contentType string
// If we're using a URL link for the Avatar
if AvatarURL != "" {
resp, err := http.Get(AvatarURL)
if err != nil {
fmt.Println("Error retrieving the file, ", err)
return
}
defer func() {
_ = resp.Body.Close()
}()
img, err := ioutil.ReadAll(resp.Body)
if err != nil {
fmt.Println("Error reading the response, ", err)
return
}
contentType = http.DetectContentType(img)
base64img = base64.StdEncoding.EncodeToString(img)
}
// If we're using a local file for the Avatar
if AvatarFile != "" {
img, err := ioutil.ReadFile(AvatarFile)
if err != nil {
fmt.Println(err)
}
contentType = http.DetectContentType(img)
base64img = base64.StdEncoding.EncodeToString(img)
}
// Now lets format our base64 image into the proper format Discord wants
// and then call UserUpdate to set it as our user's Avatar.
avatar := fmt.Sprintf("data:%s;base64,%s", contentType, base64img)
_, err = dg.UserUpdate("", "", "", avatar, "")
if err != nil {
fmt.Println(err)
}
}

@ -0,0 +1,40 @@
package main
import (
"flag"
"fmt"
"os"
"github.com/bwmarrin/discordgo"
)
// Variables used for command line parameters
var (
Email string
Password string
)
func init() {
flag.StringVar(&Email, "e", "", "Account Email")
flag.StringVar(&Password, "p", "", "Account Password")
flag.Parse()
if Email == "" || Password == "" {
flag.Usage()
os.Exit(1)
}
}
func main() {
// Create a new Discord session using the provided login information.
dg, err := discordgo.New(Email, Password)
if err != nil {
fmt.Println("error creating Discord session,", err)
return
}
// Print out your token.
fmt.Printf("Your Authentication Token is:\n\n%s\n", dg.Token)
}

@ -0,0 +1,71 @@
package main
import (
"flag"
"fmt"
"os"
"os/signal"
"syscall"
"github.com/bwmarrin/discordgo"
)
// Variables used for command line parameters
var (
Token string
)
func init() {
flag.StringVar(&Token, "t", "", "Bot Token")
flag.Parse()
}
func main() {
// Create a new Discord session using the provided bot token.
dg, err := discordgo.New("Bot " + Token)
if err != nil {
fmt.Println("error creating Discord session,", err)
return
}
// Register the messageCreate func as a callback for MessageCreate events.
dg.AddHandler(messageCreate)
// Open a websocket connection to Discord and begin listening.
err = dg.Open()
if err != nil {
fmt.Println("error opening connection,", err)
return
}
// Wait here until CTRL-C or other term signal is received.
fmt.Println("Bot is now running. Press CTRL-C to exit.")
sc := make(chan os.Signal, 1)
signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM, os.Interrupt, os.Kill)
<-sc
// Cleanly close down the Discord session.
dg.Close()
}
// This function will be called (due to AddHandler above) every time a new
// message is created on any channel that the autenticated bot has access to.
func messageCreate(s *discordgo.Session, m *discordgo.MessageCreate) {
// Ignore all messages created by the bot itself
// This isn't required in this specific example but it's a good practice.
if m.Author.ID == s.State.User.ID {
return
}
// If the message is "ping" reply with "Pong!"
if m.Content == "ping" {
s.ChannelMessageSend(m.ChannelID, "Pong!")
}
// If the message is "pong" reply with "Ping!"
if m.Content == "pong" {
s.ChannelMessageSend(m.ChannelID, "Ping!")
}
}

@ -0,0 +1,103 @@
// Discordgo - Discord bindings for Go
// Available at https://github.com/bwmarrin/discordgo
// Copyright 2015-2016 Bruce Marriner <bruce@sqls.net>. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This file contains code related to discordgo package logging
package discordgo
import (
"fmt"
"log"
"runtime"
"strings"
)
const (
// LogError level is used for critical errors that could lead to data loss
// or panic that would not be returned to a calling function.
LogError int = iota
// LogWarning level is used for very abnormal events and errors that are
// also returned to a calling function.
LogWarning
// LogInformational level is used for normal non-error activity
LogInformational
// LogDebug level is for very detailed non-error activity. This is
// very spammy and will impact performance.
LogDebug
)
// Logger can be used to replace the standard logging for discordgo
var Logger func(msgL, caller int, format string, a ...interface{})
// msglog provides package wide logging consistancy for discordgo
// the format, a... portion this command follows that of fmt.Printf
// msgL : LogLevel of the message
// caller : 1 + the number of callers away from the message source
// format : Printf style message format
// a ... : comma separated list of values to pass
func msglog(msgL, caller int, format string, a ...interface{}) {
if Logger != nil {
Logger(msgL, caller, format, a...)
} else {
pc, file, line, _ := runtime.Caller(caller)
files := strings.Split(file, "/")
file = files[len(files)-1]
name := runtime.FuncForPC(pc).Name()
fns := strings.Split(name, ".")
name = fns[len(fns)-1]
msg := fmt.Sprintf(format, a...)
log.Printf("[DG%d] %s:%d:%s() %s\n", msgL, file, line, name, msg)
}
}
// helper function that wraps msglog for the Session struct
// This adds a check to insure the message is only logged
// if the session log level is equal or higher than the
// message log level
func (s *Session) log(msgL int, format string, a ...interface{}) {
if msgL > s.LogLevel {
return
}
msglog(msgL, 2, format, a...)
}
// helper function that wraps msglog for the VoiceConnection struct
// This adds a check to insure the message is only logged
// if the voice connection log level is equal or higher than the
// message log level
func (v *VoiceConnection) log(msgL int, format string, a ...interface{}) {
if msgL > v.LogLevel {
return
}
msglog(msgL, 2, format, a...)
}
// printJSON is a helper function to display JSON data in a easy to read format.
/* NOT USED ATM
func printJSON(body []byte) {
var prettyJSON bytes.Buffer
error := json.Indent(&prettyJSON, body, "", "\t")
if error != nil {
log.Print("JSON parse error: ", error)
}
log.Println(string(prettyJSON.Bytes()))
}
*/

@ -0,0 +1,252 @@
// Discordgo - Discord bindings for Go
// Available at https://github.com/bwmarrin/discordgo
// Copyright 2015-2016 Bruce Marriner <bruce@sqls.net>. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This file contains code related to the Message struct
package discordgo
import (
"io"
"regexp"
"strings"
)
// MessageType is the type of Message
type MessageType int
// Block contains the valid known MessageType values
const (
MessageTypeDefault MessageType = iota
MessageTypeRecipientAdd
MessageTypeRecipientRemove
MessageTypeCall
MessageTypeChannelNameChange
MessageTypeChannelIconChange
MessageTypeChannelPinnedMessage
MessageTypeGuildMemberJoin
)
// A Message stores all data related to a specific Discord message.
type Message struct {
ID string `json:"id"`
ChannelID string `json:"channel_id"`
Content string `json:"content"`
Timestamp Timestamp `json:"timestamp"`
EditedTimestamp Timestamp `json:"edited_timestamp"`
MentionRoles []string `json:"mention_roles"`
Tts bool `json:"tts"`
MentionEveryone bool `json:"mention_everyone"`
Author *User `json:"author"`
Attachments []*MessageAttachment `json:"attachments"`
Embeds []*MessageEmbed `json:"embeds"`
Mentions []*User `json:"mentions"`
Reactions []*MessageReactions `json:"reactions"`
Type MessageType `json:"type"`
}
// File stores info about files you e.g. send in messages.
type File struct {
Name string
ContentType string
Reader io.Reader
}
// MessageSend stores all parameters you can send with ChannelMessageSendComplex.
type MessageSend struct {
Content string `json:"content,omitempty"`
Embed *MessageEmbed `json:"embed,omitempty"`
Tts bool `json:"tts"`
Files []*File `json:"-"`
// TODO: Remove this when compatibility is not required.
File *File `json:"-"`
}
// MessageEdit is used to chain parameters via ChannelMessageEditComplex, which
// is also where you should get the instance from.
type MessageEdit struct {
Content *string `json:"content,omitempty"`
Embed *MessageEmbed `json:"embed,omitempty"`
ID string
Channel string
}
// NewMessageEdit returns a MessageEdit struct, initialized
// with the Channel and ID.
func NewMessageEdit(channelID string, messageID string) *MessageEdit {
return &MessageEdit{
Channel: channelID,
ID: messageID,
}
}
// SetContent is the same as setting the variable Content,
// except it doesn't take a pointer.
func (m *MessageEdit) SetContent(str string) *MessageEdit {
m.Content = &str
return m
}
// SetEmbed is a convenience function for setting the embed,
// so you can chain commands.
func (m *MessageEdit) SetEmbed(embed *MessageEmbed) *MessageEdit {
m.Embed = embed
return m
}
// A MessageAttachment stores data for message attachments.
type MessageAttachment struct {
ID string `json:"id"`
URL string `json:"url"`
ProxyURL string `json:"proxy_url"`
Filename string `json:"filename"`
Width int `json:"width"`
Height int `json:"height"`
Size int `json:"size"`
}
// MessageEmbedFooter is a part of a MessageEmbed struct.
type MessageEmbedFooter struct {
Text string `json:"text,omitempty"`
IconURL string `json:"icon_url,omitempty"`
ProxyIconURL string `json:"proxy_icon_url,omitempty"`
}
// MessageEmbedImage is a part of a MessageEmbed struct.
type MessageEmbedImage struct {
URL string `json:"url,omitempty"`
ProxyURL string `json:"proxy_url,omitempty"`
Width int `json:"width,omitempty"`
Height int `json:"height,omitempty"`
}
// MessageEmbedThumbnail is a part of a MessageEmbed struct.
type MessageEmbedThumbnail struct {
URL string `json:"url,omitempty"`
ProxyURL string `json:"proxy_url,omitempty"`
Width int `json:"width,omitempty"`
Height int `json:"height,omitempty"`
}
// MessageEmbedVideo is a part of a MessageEmbed struct.
type MessageEmbedVideo struct {
URL string `json:"url,omitempty"`
ProxyURL string `json:"proxy_url,omitempty"`
Width int `json:"width,omitempty"`
Height int `json:"height,omitempty"`
}
// MessageEmbedProvider is a part of a MessageEmbed struct.
type MessageEmbedProvider struct {
URL string `json:"url,omitempty"`
Name string `json:"name,omitempty"`
}
// MessageEmbedAuthor is a part of a MessageEmbed struct.
type MessageEmbedAuthor struct {
URL string `json:"url,omitempty"`
Name string `json:"name,omitempty"`
IconURL string `json:"icon_url,omitempty"`
ProxyIconURL string `json:"proxy_icon_url,omitempty"`
}
// MessageEmbedField is a part of a MessageEmbed struct.
type MessageEmbedField struct {
Name string `json:"name,omitempty"`
Value string `json:"value,omitempty"`
Inline bool `json:"inline,omitempty"`
}
// An MessageEmbed stores data for message embeds.
type MessageEmbed struct {
URL string `json:"url,omitempty"`
Type string `json:"type,omitempty"`
Title string `json:"title,omitempty"`
Description string `json:"description,omitempty"`
Timestamp string `json:"timestamp,omitempty"`
Color int `json:"color,omitempty"`
Footer *MessageEmbedFooter `json:"footer,omitempty"`
Image *MessageEmbedImage `json:"image,omitempty"`
Thumbnail *MessageEmbedThumbnail `json:"thumbnail,omitempty"`
Video *MessageEmbedVideo `json:"video,omitempty"`
Provider *MessageEmbedProvider `json:"provider,omitempty"`
Author *MessageEmbedAuthor `json:"author,omitempty"`
Fields []*MessageEmbedField `json:"fields,omitempty"`
}
// MessageReactions holds a reactions object for a message.
type MessageReactions struct {
Count int `json:"count"`
Me bool `json:"me"`
Emoji *Emoji `json:"emoji"`
}
// ContentWithMentionsReplaced will replace all @<id> mentions with the
// username of the mention.
func (m *Message) ContentWithMentionsReplaced() (content string) {
content = m.Content
for _, user := range m.Mentions {
content = strings.NewReplacer(
"<@"+user.ID+">", "@"+user.Username,
"<@!"+user.ID+">", "@"+user.Username,
).Replace(content)
}
return
}
var patternChannels = regexp.MustCompile("<#[^>]*>")
// ContentWithMoreMentionsReplaced will replace all @<id> mentions with the
// username of the mention, but also role IDs and more.
func (m *Message) ContentWithMoreMentionsReplaced(s *Session) (content string, err error) {
content = m.Content
if !s.StateEnabled {
content = m.ContentWithMentionsReplaced()
return
}
channel, err := s.State.Channel(m.ChannelID)
if err != nil {
content = m.ContentWithMentionsReplaced()
return
}
for _, user := range m.Mentions {
nick := user.Username
member, err := s.State.Member(channel.GuildID, user.ID)
if err == nil && member.Nick != "" {
nick = member.Nick
}
content = strings.NewReplacer(
"<@"+user.ID+">", "@"+user.Username,
"<@!"+user.ID+">", "@"+nick,
).Replace(content)
}
for _, roleID := range m.MentionRoles {
role, err := s.State.Role(channel.GuildID, roleID)
if err != nil || !role.Mentionable {
continue
}
content = strings.Replace(content, "<@&"+role.ID+">", "@"+role.Name, -1)
}
content = patternChannels.ReplaceAllStringFunc(content, func(mention string) string {
channel, err := s.State.Channel(mention[2 : len(mention)-1])
if err != nil || channel.Type == ChannelTypeGuildVoice {
return mention
}
return "#" + channel.Name
})
return
}

@ -0,0 +1,126 @@
// Discordgo - Discord bindings for Go
// Available at https://github.com/bwmarrin/discordgo
// Copyright 2015-2016 Bruce Marriner <bruce@sqls.net>. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This file contains functions related to Discord OAuth2 endpoints
package discordgo
// ------------------------------------------------------------------------------------------------
// Code specific to Discord OAuth2 Applications
// ------------------------------------------------------------------------------------------------
// An Application struct stores values for a Discord OAuth2 Application
type Application struct {
ID string `json:"id,omitempty"`
Name string `json:"name"`
Description string `json:"description,omitempty"`
Icon string `json:"icon,omitempty"`
Secret string `json:"secret,omitempty"`
RedirectURIs *[]string `json:"redirect_uris,omitempty"`
BotRequireCodeGrant bool `json:"bot_require_code_grant,omitempty"`
BotPublic bool `json:"bot_public,omitempty"`
RPCApplicationState int `json:"rpc_application_state,omitempty"`
Flags int `json:"flags,omitempty"`
Owner *User `json:"owner"`
Bot *User `json:"bot"`
}
// Application returns an Application structure of a specific Application
// appID : The ID of an Application
func (s *Session) Application(appID string) (st *Application, err error) {
body, err := s.RequestWithBucketID("GET", EndpointApplication(appID), nil, EndpointApplication(""))
if err != nil {
return
}
err = unmarshal(body, &st)
return
}
// Applications returns all applications for the authenticated user
func (s *Session) Applications() (st []*Application, err error) {
body, err := s.RequestWithBucketID("GET", EndpointApplications, nil, EndpointApplications)
if err != nil {
return
}
err = unmarshal(body, &st)
return
}
// ApplicationCreate creates a new Application
// name : Name of Application / Bot
// uris : Redirect URIs (Not required)
func (s *Session) ApplicationCreate(ap *Application) (st *Application, err error) {
data := struct {
Name string `json:"name"`
Description string `json:"description"`
RedirectURIs *[]string `json:"redirect_uris,omitempty"`
}{ap.Name, ap.Description, ap.RedirectURIs}
body, err := s.RequestWithBucketID("POST", EndpointApplications, data, EndpointApplications)
if err != nil {
return
}
err = unmarshal(body, &st)
return
}
// ApplicationUpdate updates an existing Application
// var : desc
func (s *Session) ApplicationUpdate(appID string, ap *Application) (st *Application, err error) {
data := struct {
Name string `json:"name"`
Description string `json:"description"`
RedirectURIs *[]string `json:"redirect_uris,omitempty"`
}{ap.Name, ap.Description, ap.RedirectURIs}
body, err := s.RequestWithBucketID("PUT", EndpointApplication(appID), data, EndpointApplication(""))
if err != nil {
return
}
err = unmarshal(body, &st)
return
}
// ApplicationDelete deletes an existing Application
// appID : The ID of an Application
func (s *Session) ApplicationDelete(appID string) (err error) {
_, err = s.RequestWithBucketID("DELETE", EndpointApplication(appID), nil, EndpointApplication(""))
if err != nil {
return
}
return
}
// ------------------------------------------------------------------------------------------------
// Code specific to Discord OAuth2 Application Bots
// ------------------------------------------------------------------------------------------------
// ApplicationBotCreate creates an Application Bot Account
//
// appID : The ID of an Application
//
// NOTE: func name may change, if I can think up something better.
func (s *Session) ApplicationBotCreate(appID string) (st *User, err error) {
body, err := s.RequestWithBucketID("POST", EndpointApplicationsBot(appID), nil, EndpointApplicationsBot(""))
if err != nil {
return
}
err = unmarshal(body, &st)
return
}

@ -0,0 +1,194 @@
package discordgo
import (
"net/http"
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
)
// customRateLimit holds information for defining a custom rate limit
type customRateLimit struct {
suffix string
requests int
reset time.Duration
}
// RateLimiter holds all ratelimit buckets
type RateLimiter struct {
sync.Mutex
global *int64
buckets map[string]*Bucket
globalRateLimit time.Duration
customRateLimits []*customRateLimit
}
// NewRatelimiter returns a new RateLimiter
func NewRatelimiter() *RateLimiter {
return &RateLimiter{
buckets: make(map[string]*Bucket),
global: new(int64),
customRateLimits: []*customRateLimit{
&customRateLimit{
suffix: "//reactions//",
requests: 1,
reset: 200 * time.Millisecond,
},
},
}
}
// GetBucket retrieves or creates a bucket
func (r *RateLimiter) GetBucket(key string) *Bucket {
r.Lock()
defer r.Unlock()
if bucket, ok := r.buckets[key]; ok {
return bucket
}
b := &Bucket{
Remaining: 1,
Key: key,
global: r.global,
}
// Check if there is a custom ratelimit set for this bucket ID.
for _, rl := range r.customRateLimits {
if strings.HasSuffix(b.Key, rl.suffix) {
b.customRateLimit = rl
break
}
}
r.buckets[key] = b
return b
}
// GetWaitTime returns the duration you should wait for a Bucket
func (r *RateLimiter) GetWaitTime(b *Bucket, minRemaining int) time.Duration {
// If we ran out of calls and the reset time is still ahead of us
// then we need to take it easy and relax a little
if b.Remaining < minRemaining && b.reset.After(time.Now()) {
return b.reset.Sub(time.Now())
}
// Check for global ratelimits
sleepTo := time.Unix(0, atomic.LoadInt64(r.global))
if now := time.Now(); now.Before(sleepTo) {
return sleepTo.Sub(now)
}
return 0
}
// LockBucket Locks until a request can be made
func (r *RateLimiter) LockBucket(bucketID string) *Bucket {
return r.LockBucketObject(r.GetBucket(bucketID))
}
// LockBucketObject Locks an already resolved bucket until a request can be made
func (r *RateLimiter) LockBucketObject(b *Bucket) *Bucket {
b.Lock()
if wait := r.GetWaitTime(b, 1); wait > 0 {
time.Sleep(wait)
}
b.Remaining--
return b
}
// Bucket represents a ratelimit bucket, each bucket gets ratelimited individually (-global ratelimits)
type Bucket struct {
sync.Mutex
Key string
Remaining int
limit int
reset time.Time
global *int64
lastReset time.Time
customRateLimit *customRateLimit
Userdata interface{}
}
// Release unlocks the bucket and reads the headers to update the buckets ratelimit info
// and locks up the whole thing in case if there's a global ratelimit.
func (b *Bucket) Release(headers http.Header) error {
defer b.Unlock()
// Check if the bucket uses a custom ratelimiter
if rl := b.customRateLimit; rl != nil {
if time.Now().Sub(b.lastReset) >= rl.reset {
b.Remaining = rl.requests - 1
b.lastReset = time.Now()
}
if b.Remaining < 1 {
b.reset = time.Now().Add(rl.reset)
}
return nil
}
if headers == nil {
return nil
}
remaining := headers.Get("X-RateLimit-Remaining")
reset := headers.Get("X-RateLimit-Reset")
global := headers.Get("X-RateLimit-Global")
retryAfter := headers.Get("Retry-After")
// Update global and per bucket reset time if the proper headers are available
// If global is set, then it will block all buckets until after Retry-After
// If Retry-After without global is provided it will use that for the new reset
// time since it's more accurate than X-RateLimit-Reset.
// If Retry-After after is not proided, it will update the reset time from X-RateLimit-Reset
if retryAfter != "" {
parsedAfter, err := strconv.ParseInt(retryAfter, 10, 64)
if err != nil {
return err
}
resetAt := time.Now().Add(time.Duration(parsedAfter) * time.Millisecond)
// Lock either this single bucket or all buckets
if global != "" {
atomic.StoreInt64(b.global, resetAt.UnixNano())
} else {
b.reset = resetAt
}
} else if reset != "" {
// Calculate the reset time by using the date header returned from discord
discordTime, err := http.ParseTime(headers.Get("Date"))
if err != nil {
return err
}
unix, err := strconv.ParseInt(reset, 10, 64)
if err != nil {
return err
}
// Calculate the time until reset and add it to the current local time
// some extra time is added because without it i still encountered 429's.
// The added amount is the lowest amount that gave no 429's
// in 1k requests
delta := time.Unix(unix, 0).Sub(discordTime) + time.Millisecond*250
b.reset = time.Now().Add(delta)
}
// Udpate remaining if header is present
if remaining != "" {
parsedRemaining, err := strconv.ParseInt(remaining, 10, 32)
if err != nil {
return err
}
b.Remaining = int(parsedRemaining)
}
return nil
}

File diff suppressed because it is too large Load Diff

@ -0,0 +1,990 @@
// Discordgo - Discord bindings for Go
// Available at https://github.com/bwmarrin/discordgo
// Copyright 2015-2016 Bruce Marriner <bruce@sqls.net>. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This file contains code related to state tracking. If enabled, state
// tracking will capture the initial READY packet and many other websocket
// events and maintain an in-memory state of of guilds, channels, users, and
// so forth. This information can be accessed through the Session.State struct.
package discordgo
import (
"errors"
"sort"
"sync"
)
// ErrNilState is returned when the state is nil.
var ErrNilState = errors.New("state not instantiated, please use discordgo.New() or assign Session.State")
// ErrStateNotFound is returned when the state cache
// requested is not found
var ErrStateNotFound = errors.New("state cache not found")
// A State contains the current known state.
// As discord sends this in a READY blob, it seems reasonable to simply
// use that struct as the data store.
type State struct {
sync.RWMutex
Ready
MaxMessageCount int
TrackChannels bool
TrackEmojis bool
TrackMembers bool
TrackRoles bool
TrackVoice bool
TrackPresences bool
guildMap map[string]*Guild
channelMap map[string]*Channel
memberMap map[string]map[string]*Member
}
// NewState creates an empty state.
func NewState() *State {
return &State{
Ready: Ready{
PrivateChannels: []*Channel{},
Guilds: []*Guild{},
},
TrackChannels: true,
TrackEmojis: true,
TrackMembers: true,
TrackRoles: true,
TrackVoice: true,
TrackPresences: true,
guildMap: make(map[string]*Guild),
channelMap: make(map[string]*Channel),
memberMap: make(map[string]map[string]*Member),
}
}
func (s *State) createMemberMap(guild *Guild) {
members := make(map[string]*Member)
for _, m := range guild.Members {
members[m.User.ID] = m
}
s.memberMap[guild.ID] = members
}
// GuildAdd adds a guild to the current world state, or
// updates it if it already exists.
func (s *State) GuildAdd(guild *Guild) error {
if s == nil {
return ErrNilState
}
s.Lock()
defer s.Unlock()
// Update the channels to point to the right guild, adding them to the channelMap as we go
for _, c := range guild.Channels {
s.channelMap[c.ID] = c
}
// If this guild contains a new member slice, we must regenerate the member map so the pointers stay valid
if guild.Members != nil {
s.createMemberMap(guild)
} else if _, ok := s.memberMap[guild.ID]; !ok {
// Even if we have no new member slice, we still initialize the member map for this guild if it doesn't exist
s.memberMap[guild.ID] = make(map[string]*Member)
}
if g, ok := s.guildMap[guild.ID]; ok {
// We are about to replace `g` in the state with `guild`, but first we need to
// make sure we preserve any fields that the `guild` doesn't contain from `g`.
if guild.Roles == nil {
guild.Roles = g.Roles
}
if guild.Emojis == nil {
guild.Emojis = g.Emojis
}
if guild.Members == nil {
guild.Members = g.Members
}
if guild.Presences == nil {
guild.Presences = g.Presences
}
if guild.Channels == nil {
guild.Channels = g.Channels
}
if guild.VoiceStates == nil {
guild.VoiceStates = g.VoiceStates
}
*g = *guild
return nil
}
s.Guilds = append(s.Guilds, guild)
s.guildMap[guild.ID] = guild
return nil
}
// GuildRemove removes a guild from current world state.
func (s *State) GuildRemove(guild *Guild) error {
if s == nil {
return ErrNilState
}
_, err := s.Guild(guild.ID)
if err != nil {
return err
}
s.Lock()
defer s.Unlock()
delete(s.guildMap, guild.ID)
for i, g := range s.Guilds {
if g.ID == guild.ID {
s.Guilds = append(s.Guilds[:i], s.Guilds[i+1:]...)
return nil
}
}
return nil
}
// Guild gets a guild by ID.
// Useful for querying if @me is in a guild:
// _, err := discordgo.Session.State.Guild(guildID)
// isInGuild := err == nil
func (s *State) Guild(guildID string) (*Guild, error) {
if s == nil {
return nil, ErrNilState
}
s.RLock()
defer s.RUnlock()
if g, ok := s.guildMap[guildID]; ok {
return g, nil
}
return nil, ErrStateNotFound
}
// PresenceAdd adds a presence to the current world state, or
// updates it if it already exists.
func (s *State) PresenceAdd(guildID string, presence *Presence) error {
if s == nil {
return ErrNilState
}
guild, err := s.Guild(guildID)
if err != nil {
return err
}
s.Lock()
defer s.Unlock()
for i, p := range guild.Presences {
if p.User.ID == presence.User.ID {
//guild.Presences[i] = presence
//Update status
guild.Presences[i].Game = presence.Game
guild.Presences[i].Roles = presence.Roles
if presence.Status != "" {
guild.Presences[i].Status = presence.Status
}
if presence.Nick != "" {
guild.Presences[i].Nick = presence.Nick
}
//Update the optionally sent user information
//ID Is a mandatory field so you should not need to check if it is empty
guild.Presences[i].User.ID = presence.User.ID
if presence.User.Avatar != "" {
guild.Presences[i].User.Avatar = presence.User.Avatar
}
if presence.User.Discriminator != "" {
guild.Presences[i].User.Discriminator = presence.User.Discriminator
}
if presence.User.Email != "" {
guild.Presences[i].User.Email = presence.User.Email
}
if presence.User.Token != "" {
guild.Presences[i].User.Token = presence.User.Token
}
if presence.User.Username != "" {
guild.Presences[i].User.Username = presence.User.Username
}
return nil
}
}
guild.Presences = append(guild.Presences, presence)
return nil
}
// PresenceRemove removes a presence from the current world state.
func (s *State) PresenceRemove(guildID string, presence *Presence) error {
if s == nil {
return ErrNilState
}
guild, err := s.Guild(guildID)
if err != nil {
return err
}
s.Lock()
defer s.Unlock()
for i, p := range guild.Presences {
if p.User.ID == presence.User.ID {
guild.Presences = append(guild.Presences[:i], guild.Presences[i+1:]...)
return nil
}
}
return ErrStateNotFound
}
// Presence gets a presence by ID from a guild.
func (s *State) Presence(guildID, userID string) (*Presence, error) {
if s == nil {
return nil, ErrNilState
}
guild, err := s.Guild(guildID)
if err != nil {
return nil, err
}
for _, p := range guild.Presences {
if p.User.ID == userID {
return p, nil
}
}
return nil, ErrStateNotFound
}
// TODO: Consider moving Guild state update methods onto *Guild.
// MemberAdd adds a member to the current world state, or
// updates it if it already exists.
func (s *State) MemberAdd(member *Member) error {
if s == nil {
return ErrNilState
}
guild, err := s.Guild(member.GuildID)
if err != nil {
return err
}
s.Lock()
defer s.Unlock()
members, ok := s.memberMap[member.GuildID]
if !ok {
return ErrStateNotFound
}
m, ok := members[member.User.ID]
if !ok {
members[member.User.ID] = member
guild.Members = append(guild.Members, member)
} else {
*m = *member // Update the actual data, which will also update the member pointer in the slice
}
return nil
}
// MemberRemove removes a member from current world state.
func (s *State) MemberRemove(member *Member) error {
if s == nil {
return ErrNilState
}
guild, err := s.Guild(member.GuildID)
if err != nil {
return err
}
s.Lock()
defer s.Unlock()
members, ok := s.memberMap[member.GuildID]
if !ok {
return ErrStateNotFound
}
_, ok = members[member.User.ID]
if !ok {
return ErrStateNotFound
}
delete(members, member.User.ID)
for i, m := range guild.Members {
if m.User.ID == member.User.ID {
guild.Members = append(guild.Members[:i], guild.Members[i+1:]...)
return nil
}
}
return ErrStateNotFound
}
// Member gets a member by ID from a guild.
func (s *State) Member(guildID, userID string) (*Member, error) {
if s == nil {
return nil, ErrNilState
}
s.RLock()
defer s.RUnlock()
members, ok := s.memberMap[guildID]
if !ok {
return nil, ErrStateNotFound
}
m, ok := members[userID]
if ok {
return m, nil
}
return nil, ErrStateNotFound
}
// RoleAdd adds a role to the current world state, or
// updates it if it already exists.
func (s *State) RoleAdd(guildID string, role *Role) error {
if s == nil {
return ErrNilState
}
guild, err := s.Guild(guildID)
if err != nil {
return err
}
s.Lock()
defer s.Unlock()
for i, r := range guild.Roles {
if r.ID == role.ID {
guild.Roles[i] = role
return nil
}
}
guild.Roles = append(guild.Roles, role)
return nil
}
// RoleRemove removes a role from current world state by ID.
func (s *State) RoleRemove(guildID, roleID string) error {
if s == nil {
return ErrNilState
}
guild, err := s.Guild(guildID)
if err != nil {
return err
}
s.Lock()
defer s.Unlock()
for i, r := range guild.Roles {
if r.ID == roleID {
guild.Roles = append(guild.Roles[:i], guild.Roles[i+1:]...)
return nil
}
}
return ErrStateNotFound
}
// Role gets a role by ID from a guild.
func (s *State) Role(guildID, roleID string) (*Role, error) {
if s == nil {
return nil, ErrNilState
}
guild, err := s.Guild(guildID)
if err != nil {
return nil, err
}
s.RLock()
defer s.RUnlock()
for _, r := range guild.Roles {
if r.ID == roleID {
return r, nil
}
}
return nil, ErrStateNotFound
}
// ChannelAdd adds a channel to the current world state, or
// updates it if it already exists.
// Channels may exist either as PrivateChannels or inside
// a guild.
func (s *State) ChannelAdd(channel *Channel) error {
if s == nil {
return ErrNilState
}
s.Lock()
defer s.Unlock()
// If the channel exists, replace it
if c, ok := s.channelMap[channel.ID]; ok {
if channel.Messages == nil {
channel.Messages = c.Messages
}
if channel.PermissionOverwrites == nil {
channel.PermissionOverwrites = c.PermissionOverwrites
}
*c = *channel
return nil
}
if channel.Type == ChannelTypeDM || channel.Type == ChannelTypeGroupDM {
s.PrivateChannels = append(s.PrivateChannels, channel)
} else {
guild, ok := s.guildMap[channel.GuildID]
if !ok {
return ErrStateNotFound
}
guild.Channels = append(guild.Channels, channel)
}
s.channelMap[channel.ID] = channel
return nil
}
// ChannelRemove removes a channel from current world state.
func (s *State) ChannelRemove(channel *Channel) error {
if s == nil {
return ErrNilState
}
_, err := s.Channel(channel.ID)
if err != nil {
return err
}
if channel.Type == ChannelTypeDM || channel.Type == ChannelTypeGroupDM {
s.Lock()
defer s.Unlock()
for i, c := range s.PrivateChannels {
if c.ID == channel.ID {
s.PrivateChannels = append(s.PrivateChannels[:i], s.PrivateChannels[i+1:]...)
break
}
}
} else {
guild, err := s.Guild(channel.GuildID)
if err != nil {
return err
}
s.Lock()
defer s.Unlock()
for i, c := range guild.Channels {
if c.ID == channel.ID {
guild.Channels = append(guild.Channels[:i], guild.Channels[i+1:]...)
break
}
}
}
delete(s.channelMap, channel.ID)
return nil
}
// GuildChannel gets a channel by ID from a guild.
// This method is Deprecated, use Channel(channelID)
func (s *State) GuildChannel(guildID, channelID string) (*Channel, error) {
return s.Channel(channelID)
}
// PrivateChannel gets a private channel by ID.
// This method is Deprecated, use Channel(channelID)
func (s *State) PrivateChannel(channelID string) (*Channel, error) {
return s.Channel(channelID)
}
// Channel gets a channel by ID, it will look in all guilds and private channels.
func (s *State) Channel(channelID string) (*Channel, error) {
if s == nil {
return nil, ErrNilState
}
s.RLock()
defer s.RUnlock()
if c, ok := s.channelMap[channelID]; ok {
return c, nil
}
return nil, ErrStateNotFound
}
// Emoji returns an emoji for a guild and emoji id.
func (s *State) Emoji(guildID, emojiID string) (*Emoji, error) {
if s == nil {
return nil, ErrNilState
}
guild, err := s.Guild(guildID)
if err != nil {
return nil, err
}
s.RLock()
defer s.RUnlock()
for _, e := range guild.Emojis {
if e.ID == emojiID {
return e, nil
}
}
return nil, ErrStateNotFound
}
// EmojiAdd adds an emoji to the current world state.
func (s *State) EmojiAdd(guildID string, emoji *Emoji) error {
if s == nil {
return ErrNilState
}
guild, err := s.Guild(guildID)
if err != nil {
return err
}
s.Lock()
defer s.Unlock()
for i, e := range guild.Emojis {
if e.ID == emoji.ID {
guild.Emojis[i] = emoji
return nil
}
}
guild.Emojis = append(guild.Emojis, emoji)
return nil
}
// EmojisAdd adds multiple emojis to the world state.
func (s *State) EmojisAdd(guildID string, emojis []*Emoji) error {
for _, e := range emojis {
if err := s.EmojiAdd(guildID, e); err != nil {
return err
}
}
return nil
}
// MessageAdd adds a message to the current world state, or updates it if it exists.
// If the channel cannot be found, the message is discarded.
// Messages are kept in state up to s.MaxMessageCount
func (s *State) MessageAdd(message *Message) error {
if s == nil {
return ErrNilState
}
c, err := s.Channel(message.ChannelID)
if err != nil {
return err
}
s.Lock()
defer s.Unlock()
// If the message exists, merge in the new message contents.
for _, m := range c.Messages {
if m.ID == message.ID {
if message.Content != "" {
m.Content = message.Content
}
if message.EditedTimestamp != "" {
m.EditedTimestamp = message.EditedTimestamp
}
if message.Mentions != nil {
m.Mentions = message.Mentions
}
if message.Embeds != nil {
m.Embeds = message.Embeds
}
if message.Attachments != nil {
m.Attachments = message.Attachments
}
if message.Timestamp != "" {
m.Timestamp = message.Timestamp
}
if message.Author != nil {
m.Author = message.Author
}
return nil
}
}
c.Messages = append(c.Messages, message)
if len(c.Messages) > s.MaxMessageCount {
c.Messages = c.Messages[len(c.Messages)-s.MaxMessageCount:]
}
return nil
}
// MessageRemove removes a message from the world state.
func (s *State) MessageRemove(message *Message) error {
if s == nil {
return ErrNilState
}
return s.messageRemoveByID(message.ChannelID, message.ID)
}
// messageRemoveByID removes a message by channelID and messageID from the world state.
func (s *State) messageRemoveByID(channelID, messageID string) error {
c, err := s.Channel(channelID)
if err != nil {
return err
}
s.Lock()
defer s.Unlock()
for i, m := range c.Messages {
if m.ID == messageID {
c.Messages = append(c.Messages[:i], c.Messages[i+1:]...)
return nil
}
}
return ErrStateNotFound
}
func (s *State) voiceStateUpdate(update *VoiceStateUpdate) error {
guild, err := s.Guild(update.GuildID)
if err != nil {
return err
}
s.Lock()
defer s.Unlock()
// Handle Leaving Channel
if update.ChannelID == "" {
for i, state := range guild.VoiceStates {
if state.UserID == update.UserID {
guild.VoiceStates = append(guild.VoiceStates[:i], guild.VoiceStates[i+1:]...)
return nil
}
}
} else {
for i, state := range guild.VoiceStates {
if state.UserID == update.UserID {
guild.VoiceStates[i] = update.VoiceState
return nil
}
}
guild.VoiceStates = append(guild.VoiceStates, update.VoiceState)
}
return nil
}
// Message gets a message by channel and message ID.
func (s *State) Message(channelID, messageID string) (*Message, error) {
if s == nil {
return nil, ErrNilState
}
c, err := s.Channel(channelID)
if err != nil {
return nil, err
}
s.RLock()
defer s.RUnlock()
for _, m := range c.Messages {
if m.ID == messageID {
return m, nil
}
}
return nil, ErrStateNotFound
}
// OnReady takes a Ready event and updates all internal state.
func (s *State) onReady(se *Session, r *Ready) (err error) {
if s == nil {
return ErrNilState
}
s.Lock()
defer s.Unlock()
// We must track at least the current user for Voice, even
// if state is disabled, store the bare essentials.
if !se.StateEnabled {
ready := Ready{
Version: r.Version,
SessionID: r.SessionID,
User: r.User,
}
s.Ready = ready
return nil
}
s.Ready = *r
for _, g := range s.Guilds {
s.guildMap[g.ID] = g
s.createMemberMap(g)
for _, c := range g.Channels {
s.channelMap[c.ID] = c
}
}
for _, c := range s.PrivateChannels {
s.channelMap[c.ID] = c
}
return nil
}
// OnInterface handles all events related to states.
func (s *State) OnInterface(se *Session, i interface{}) (err error) {
if s == nil {
return ErrNilState
}
r, ok := i.(*Ready)
if ok {
return s.onReady(se, r)
}
if !se.StateEnabled {
return nil
}
switch t := i.(type) {
case *GuildCreate:
err = s.GuildAdd(t.Guild)
case *GuildUpdate:
err = s.GuildAdd(t.Guild)
case *GuildDelete:
err = s.GuildRemove(t.Guild)
case *GuildMemberAdd:
if s.TrackMembers {
err = s.MemberAdd(t.Member)
}
case *GuildMemberUpdate:
if s.TrackMembers {
err = s.MemberAdd(t.Member)
}
case *GuildMemberRemove:
if s.TrackMembers {
err = s.MemberRemove(t.Member)
}
case *GuildMembersChunk:
if s.TrackMembers {
for i := range t.Members {
t.Members[i].GuildID = t.GuildID
err = s.MemberAdd(t.Members[i])
}
}
case *GuildRoleCreate:
if s.TrackRoles {
err = s.RoleAdd(t.GuildID, t.Role)
}
case *GuildRoleUpdate:
if s.TrackRoles {
err = s.RoleAdd(t.GuildID, t.Role)
}
case *GuildRoleDelete:
if s.TrackRoles {
err = s.RoleRemove(t.GuildID, t.RoleID)
}
case *GuildEmojisUpdate:
if s.TrackEmojis {
err = s.EmojisAdd(t.GuildID, t.Emojis)
}
case *ChannelCreate:
if s.TrackChannels {
err = s.ChannelAdd(t.Channel)
}
case *ChannelUpdate:
if s.TrackChannels {
err = s.ChannelAdd(t.Channel)
}
case *ChannelDelete:
if s.TrackChannels {
err = s.ChannelRemove(t.Channel)
}
case *MessageCreate:
if s.MaxMessageCount != 0 {
err = s.MessageAdd(t.Message)
}
case *MessageUpdate:
if s.MaxMessageCount != 0 {
err = s.MessageAdd(t.Message)
}
case *MessageDelete:
if s.MaxMessageCount != 0 {
err = s.MessageRemove(t.Message)
}
case *MessageDeleteBulk:
if s.MaxMessageCount != 0 {
for _, mID := range t.Messages {
s.messageRemoveByID(t.ChannelID, mID)
}
}
case *VoiceStateUpdate:
if s.TrackVoice {
err = s.voiceStateUpdate(t)
}
case *PresenceUpdate:
if s.TrackPresences {
s.PresenceAdd(t.GuildID, &t.Presence)
}
if s.TrackMembers {
if t.Status == StatusOffline {
return
}
var m *Member
m, err = s.Member(t.GuildID, t.User.ID)
if err != nil {
// Member not found; this is a user coming online
m = &Member{
GuildID: t.GuildID,
Nick: t.Nick,
User: t.User,
Roles: t.Roles,
}
} else {
if t.Nick != "" {
m.Nick = t.Nick
}
if t.User.Username != "" {
m.User.Username = t.User.Username
}
// PresenceUpdates always contain a list of roles, so there's no need to check for an empty list here
m.Roles = t.Roles
}
err = s.MemberAdd(m)
}
}
return
}
// UserChannelPermissions returns the permission of a user in a channel.
// userID : The ID of the user to calculate permissions for.
// channelID : The ID of the channel to calculate permission for.
func (s *State) UserChannelPermissions(userID, channelID string) (apermissions int, err error) {
if s == nil {
return 0, ErrNilState
}
channel, err := s.Channel(channelID)
if err != nil {
return
}
guild, err := s.Guild(channel.GuildID)
if err != nil {
return
}
if userID == guild.OwnerID {
apermissions = PermissionAll
return
}
member, err := s.Member(guild.ID, userID)
if err != nil {
return
}
return memberPermissions(guild, channel, member), nil
}
// UserColor returns the color of a user in a channel.
// While colors are defined at a Guild level, determining for a channel is more useful in message handlers.
// 0 is returned in cases of error, which is the color of @everyone.
// userID : The ID of the user to calculate the color for.
// channelID : The ID of the channel to calculate the color for.
func (s *State) UserColor(userID, channelID string) int {
if s == nil {
return 0
}
channel, err := s.Channel(channelID)
if err != nil {
return 0
}
guild, err := s.Guild(channel.GuildID)
if err != nil {
return 0
}
member, err := s.Member(guild.ID, userID)
if err != nil {
return 0
}
roles := Roles(guild.Roles)
sort.Sort(roles)
for _, role := range roles {
for _, roleID := range member.Roles {
if role.ID == roleID {
if role.Color != 0 {
return role.Color
}
}
}
}
return 0
}

@ -0,0 +1,686 @@
// Discordgo - Discord bindings for Go
// Available at https://github.com/bwmarrin/discordgo
// Copyright 2015-2016 Bruce Marriner <bruce@sqls.net>. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This file contains all structures for the discordgo package. These
// may be moved about later into separate files but I find it easier to have
// them all located together.
package discordgo
import (
"encoding/json"
"net/http"
"sync"
"time"
"github.com/gorilla/websocket"
)
// A Session represents a connection to the Discord API.
type Session struct {
sync.RWMutex
// General configurable settings.
// Authentication token for this session
Token string
MFA bool
// Debug for printing JSON request/responses
Debug bool // Deprecated, will be removed.
LogLevel int
// Should the session reconnect the websocket on errors.
ShouldReconnectOnError bool
// Should the session request compressed websocket data.
Compress bool
// Sharding
ShardID int
ShardCount int
// Should state tracking be enabled.
// State tracking is the best way for getting the the users
// active guilds and the members of the guilds.
StateEnabled bool
// Whether or not to call event handlers synchronously.
// e.g false = launch event handlers in their own goroutines.
SyncEvents bool
// Exposed but should not be modified by User.
// Whether the Data Websocket is ready
DataReady bool // NOTE: Maye be deprecated soon
// Max number of REST API retries
MaxRestRetries int
// Status stores the currect status of the websocket connection
// this is being tested, may stay, may go away.
status int32
// Whether the Voice Websocket is ready
VoiceReady bool // NOTE: Deprecated.
// Whether the UDP Connection is ready
UDPReady bool // NOTE: Deprecated
// Stores a mapping of guild id's to VoiceConnections
VoiceConnections map[string]*VoiceConnection
// Managed state object, updated internally with events when
// StateEnabled is true.
State *State
// The http client used for REST requests
Client *http.Client
// Stores the last HeartbeatAck that was recieved (in UTC)
LastHeartbeatAck time.Time
// used to deal with rate limits
Ratelimiter *RateLimiter
// Event handlers
handlersMu sync.RWMutex
handlers map[string][]*eventHandlerInstance
onceHandlers map[string][]*eventHandlerInstance
// The websocket connection.
wsConn *websocket.Conn
// When nil, the session is not listening.
listening chan interface{}
// sequence tracks the current gateway api websocket sequence number
sequence *int64
// stores sessions current Discord Gateway
gateway string
// stores session ID of current Gateway connection
sessionID string
// used to make sure gateway websocket writes do not happen concurrently
wsMutex sync.Mutex
}
// A VoiceRegion stores data for a specific voice region server.
type VoiceRegion struct {
ID string `json:"id"`
Name string `json:"name"`
Hostname string `json:"sample_hostname"`
Port int `json:"sample_port"`
}
// A VoiceICE stores data for voice ICE servers.
type VoiceICE struct {
TTL string `json:"ttl"`
Servers []*ICEServer `json:"servers"`
}
// A ICEServer stores data for a specific voice ICE server.
type ICEServer struct {
URL string `json:"url"`
Username string `json:"username"`
Credential string `json:"credential"`
}
// A Invite stores all data related to a specific Discord Guild or Channel invite.
type Invite struct {
Guild *Guild `json:"guild"`
Channel *Channel `json:"channel"`
Inviter *User `json:"inviter"`
Code string `json:"code"`
CreatedAt Timestamp `json:"created_at"`
MaxAge int `json:"max_age"`
Uses int `json:"uses"`
MaxUses int `json:"max_uses"`
Revoked bool `json:"revoked"`
Temporary bool `json:"temporary"`
Unique bool `json:"unique"`
}
// ChannelType is the type of a Channel
type ChannelType int
// Block contains known ChannelType values
const (
ChannelTypeGuildText ChannelType = iota
ChannelTypeDM
ChannelTypeGuildVoice
ChannelTypeGroupDM
ChannelTypeGuildCategory
)
// A Channel holds all data related to an individual Discord channel.
type Channel struct {
ID string `json:"id"`
GuildID string `json:"guild_id"`
Name string `json:"name"`
Topic string `json:"topic"`
Type ChannelType `json:"type"`
LastMessageID string `json:"last_message_id"`
NSFW bool `json:"nsfw"`
Position int `json:"position"`
Bitrate int `json:"bitrate"`
Recipients []*User `json:"recipients"`
Messages []*Message `json:"-"`
PermissionOverwrites []*PermissionOverwrite `json:"permission_overwrites"`
ParentID string `json:"parent_id"`
}
// A ChannelEdit holds Channel Feild data for a channel edit.
type ChannelEdit struct {
Name string `json:"name,omitempty"`
Topic string `json:"topic,omitempty"`
NSFW bool `json:"nsfw,omitempty"`
Position int `json:"position"`
Bitrate int `json:"bitrate,omitempty"`
UserLimit int `json:"user_limit,omitempty"`
PermissionOverwrites []*PermissionOverwrite `json:"permission_overwrites,omitempty"`
ParentID string `json:"parent_id,omitempty"`
}
// A PermissionOverwrite holds permission overwrite data for a Channel
type PermissionOverwrite struct {
ID string `json:"id"`
Type string `json:"type"`
Deny int `json:"deny"`
Allow int `json:"allow"`
}
// Emoji struct holds data related to Emoji's
type Emoji struct {
ID string `json:"id"`
Name string `json:"name"`
Roles []string `json:"roles"`
Managed bool `json:"managed"`
RequireColons bool `json:"require_colons"`
Animated bool `json:"animated"`
}
// APIName returns an correctly formatted API name for use in the MessageReactions endpoints.
func (e *Emoji) APIName() string {
if e.ID != "" && e.Name != "" {
return e.Name + ":" + e.ID
}
if e.Name != "" {
return e.Name
}
return e.ID
}
// VerificationLevel type definition
type VerificationLevel int
// Constants for VerificationLevel levels from 0 to 3 inclusive
const (
VerificationLevelNone VerificationLevel = iota
VerificationLevelLow
VerificationLevelMedium
VerificationLevelHigh
)
// A Guild holds all data related to a specific Discord Guild. Guilds are also
// sometimes referred to as Servers in the Discord client.
type Guild struct {
ID string `json:"id"`
Name string `json:"name"`
Icon string `json:"icon"`
Region string `json:"region"`
AfkChannelID string `json:"afk_channel_id"`
EmbedChannelID string `json:"embed_channel_id"`
OwnerID string `json:"owner_id"`
JoinedAt Timestamp `json:"joined_at"`
Splash string `json:"splash"`
AfkTimeout int `json:"afk_timeout"`
MemberCount int `json:"member_count"`
VerificationLevel VerificationLevel `json:"verification_level"`
EmbedEnabled bool `json:"embed_enabled"`
Large bool `json:"large"` // ??
DefaultMessageNotifications int `json:"default_message_notifications"`
Roles []*Role `json:"roles"`
Emojis []*Emoji `json:"emojis"`
Members []*Member `json:"members"`
Presences []*Presence `json:"presences"`
Channels []*Channel `json:"channels"`
VoiceStates []*VoiceState `json:"voice_states"`
Unavailable bool `json:"unavailable"`
}
// A UserGuild holds a brief version of a Guild
type UserGuild struct {
ID string `json:"id"`
Name string `json:"name"`
Icon string `json:"icon"`
Owner bool `json:"owner"`
Permissions int `json:"permissions"`
}
// A GuildParams stores all the data needed to update discord guild settings
type GuildParams struct {
Name string `json:"name,omitempty"`
Region string `json:"region,omitempty"`
VerificationLevel *VerificationLevel `json:"verification_level,omitempty"`
DefaultMessageNotifications int `json:"default_message_notifications,omitempty"` // TODO: Separate type?
AfkChannelID string `json:"afk_channel_id,omitempty"`
AfkTimeout int `json:"afk_timeout,omitempty"`
Icon string `json:"icon,omitempty"`
OwnerID string `json:"owner_id,omitempty"`
Splash string `json:"splash,omitempty"`
}
// A Role stores information about Discord guild member roles.
type Role struct {
ID string `json:"id"`
Name string `json:"name"`
Managed bool `json:"managed"`
Mentionable bool `json:"mentionable"`
Hoist bool `json:"hoist"`
Color int `json:"color"`
Position int `json:"position"`
Permissions int `json:"permissions"`
}
// Roles are a collection of Role
type Roles []*Role
func (r Roles) Len() int {
return len(r)
}
func (r Roles) Less(i, j int) bool {
return r[i].Position > r[j].Position
}
func (r Roles) Swap(i, j int) {
r[i], r[j] = r[j], r[i]
}
// A VoiceState stores the voice states of Guilds
type VoiceState struct {
UserID string `json:"user_id"`
SessionID string `json:"session_id"`
ChannelID string `json:"channel_id"`
GuildID string `json:"guild_id"`
Suppress bool `json:"suppress"`
SelfMute bool `json:"self_mute"`
SelfDeaf bool `json:"self_deaf"`
Mute bool `json:"mute"`
Deaf bool `json:"deaf"`
}
// A Presence stores the online, offline, or idle and game status of Guild members.
type Presence struct {
User *User `json:"user"`
Status Status `json:"status"`
Game *Game `json:"game"`
Nick string `json:"nick"`
Roles []string `json:"roles"`
Since *int `json:"since"`
}
// GameType is the type of "game" (see GameType* consts) in the Game struct
type GameType int
// Valid GameType values
const (
GameTypeGame GameType = iota
GameTypeStreaming
)
// A Game struct holds the name of the "playing .." game for a user
type Game struct {
Name string `json:"name"`
Type GameType `json:"type"`
URL string `json:"url,omitempty"`
Details string `json:"details,omitempty"`
State string `json:"state,omitempty"`
TimeStamps TimeStamps `json:"timestamps,omitempty"`
Assets Assets `json:"assets,omitempty"`
ApplicationID string `json:"application_id,omitempty"`
Instance int8 `json:"instance,omitempty"`
// TODO: Party and Secrets (unknown structure)
}
// A TimeStamps struct contains start and end times used in the rich presence "playing .." Game
type TimeStamps struct {
EndTimestamp int64 `json:"end,omitempty"`
StartTimestamp int64 `json:"start,omitempty"`
}
// UnmarshalJSON unmarshals JSON into TimeStamps struct
func (t *TimeStamps) UnmarshalJSON(b []byte) error {
temp := struct {
End float64 `json:"end,omitempty"`
Start float64 `json:"start,omitempty"`
}{}
err := json.Unmarshal(b, &temp)
if err != nil {
return err
}
t.EndTimestamp = int64(temp.End)
t.StartTimestamp = int64(temp.Start)
return nil
}
// An Assets struct contains assets and labels used in the rich presence "playing .." Game
type Assets struct {
LargeImageID string `json:"large_image,omitempty"`
SmallImageID string `json:"small_image,omitempty"`
LargeText string `json:"large_text,omitempty"`
SmallText string `json:"small_text,omitempty"`
}
// A Member stores user information for Guild members.
type Member struct {
GuildID string `json:"guild_id"`
JoinedAt string `json:"joined_at"`
Nick string `json:"nick"`
Deaf bool `json:"deaf"`
Mute bool `json:"mute"`
User *User `json:"user"`
Roles []string `json:"roles"`
}
// A Settings stores data for a specific users Discord client settings.
type Settings struct {
RenderEmbeds bool `json:"render_embeds"`
InlineEmbedMedia bool `json:"inline_embed_media"`
InlineAttachmentMedia bool `json:"inline_attachment_media"`
EnableTtsCommand bool `json:"enable_tts_command"`
MessageDisplayCompact bool `json:"message_display_compact"`
ShowCurrentGame bool `json:"show_current_game"`
ConvertEmoticons bool `json:"convert_emoticons"`
Locale string `json:"locale"`
Theme string `json:"theme"`
GuildPositions []string `json:"guild_positions"`
RestrictedGuilds []string `json:"restricted_guilds"`
FriendSourceFlags *FriendSourceFlags `json:"friend_source_flags"`
Status Status `json:"status"`
DetectPlatformAccounts bool `json:"detect_platform_accounts"`
DeveloperMode bool `json:"developer_mode"`
}
// Status type definition
type Status string
// Constants for Status with the different current available status
const (
StatusOnline Status = "online"
StatusIdle Status = "idle"
StatusDoNotDisturb Status = "dnd"
StatusInvisible Status = "invisible"
StatusOffline Status = "offline"
)
// FriendSourceFlags stores ... TODO :)
type FriendSourceFlags struct {
All bool `json:"all"`
MutualGuilds bool `json:"mutual_guilds"`
MutualFriends bool `json:"mutual_friends"`
}
// A Relationship between the logged in user and Relationship.User
type Relationship struct {
User *User `json:"user"`
Type int `json:"type"` // 1 = friend, 2 = blocked, 3 = incoming friend req, 4 = sent friend req
ID string `json:"id"`
}
// A TooManyRequests struct holds information received from Discord
// when receiving a HTTP 429 response.
type TooManyRequests struct {
Bucket string `json:"bucket"`
Message string `json:"message"`
RetryAfter time.Duration `json:"retry_after"`
}
// A ReadState stores data on the read state of channels.
type ReadState struct {
MentionCount int `json:"mention_count"`
LastMessageID string `json:"last_message_id"`
ID string `json:"id"`
}
// An Ack is used to ack messages
type Ack struct {
Token string `json:"token"`
}
// A GuildRole stores data for guild roles.
type GuildRole struct {
Role *Role `json:"role"`
GuildID string `json:"guild_id"`
}
// A GuildBan stores data for a guild ban.
type GuildBan struct {
Reason string `json:"reason"`
User *User `json:"user"`
}
// A GuildIntegration stores data for a guild integration.
type GuildIntegration struct {
ID string `json:"id"`
Name string `json:"name"`
Type string `json:"type"`
Enabled bool `json:"enabled"`
Syncing bool `json:"syncing"`
RoleID string `json:"role_id"`
ExpireBehavior int `json:"expire_behavior"`
ExpireGracePeriod int `json:"expire_grace_period"`
User *User `json:"user"`
Account *GuildIntegrationAccount `json:"account"`
SyncedAt int `json:"synced_at"`
}
// A GuildIntegrationAccount stores data for a guild integration account.
type GuildIntegrationAccount struct {
ID string `json:"id"`
Name string `json:"name"`
}
// A GuildEmbed stores data for a guild embed.
type GuildEmbed struct {
Enabled bool `json:"enabled"`
ChannelID string `json:"channel_id"`
}
// A UserGuildSettingsChannelOverride stores data for a channel override for a users guild settings.
type UserGuildSettingsChannelOverride struct {
Muted bool `json:"muted"`
MessageNotifications int `json:"message_notifications"`
ChannelID string `json:"channel_id"`
}
// A UserGuildSettings stores data for a users guild settings.
type UserGuildSettings struct {
SupressEveryone bool `json:"suppress_everyone"`
Muted bool `json:"muted"`
MobilePush bool `json:"mobile_push"`
MessageNotifications int `json:"message_notifications"`
GuildID string `json:"guild_id"`
ChannelOverrides []*UserGuildSettingsChannelOverride `json:"channel_overrides"`
}
// A UserGuildSettingsEdit stores data for editing UserGuildSettings
type UserGuildSettingsEdit struct {
SupressEveryone bool `json:"suppress_everyone"`
Muted bool `json:"muted"`
MobilePush bool `json:"mobile_push"`
MessageNotifications int `json:"message_notifications"`
ChannelOverrides map[string]*UserGuildSettingsChannelOverride `json:"channel_overrides"`
}
// An APIErrorMessage is an api error message returned from discord
type APIErrorMessage struct {
Code int `json:"code"`
Message string `json:"message"`
}
// Webhook stores the data for a webhook.
type Webhook struct {
ID string `json:"id"`
GuildID string `json:"guild_id"`
ChannelID string `json:"channel_id"`
User *User `json:"user"`
Name string `json:"name"`
Avatar string `json:"avatar"`
Token string `json:"token"`
}
// WebhookParams is a struct for webhook params, used in the WebhookExecute command.
type WebhookParams struct {
Content string `json:"content,omitempty"`
Username string `json:"username,omitempty"`
AvatarURL string `json:"avatar_url,omitempty"`
TTS bool `json:"tts,omitempty"`
File string `json:"file,omitempty"`
Embeds []*MessageEmbed `json:"embeds,omitempty"`
}
// MessageReaction stores the data for a message reaction.
type MessageReaction struct {
UserID string `json:"user_id"`
MessageID string `json:"message_id"`
Emoji Emoji `json:"emoji"`
ChannelID string `json:"channel_id"`
}
// GatewayBotResponse stores the data for the gateway/bot response
type GatewayBotResponse struct {
URL string `json:"url"`
Shards int `json:"shards"`
}
// Constants for the different bit offsets of text channel permissions
const (
PermissionReadMessages = 1 << (iota + 10)
PermissionSendMessages
PermissionSendTTSMessages
PermissionManageMessages
PermissionEmbedLinks
PermissionAttachFiles
PermissionReadMessageHistory
PermissionMentionEveryone
PermissionUseExternalEmojis
)
// Constants for the different bit offsets of voice permissions
const (
PermissionVoiceConnect = 1 << (iota + 20)
PermissionVoiceSpeak
PermissionVoiceMuteMembers
PermissionVoiceDeafenMembers
PermissionVoiceMoveMembers
PermissionVoiceUseVAD
)
// Constants for general management.
const (
PermissionChangeNickname = 1 << (iota + 26)
PermissionManageNicknames
PermissionManageRoles
PermissionManageWebhooks
PermissionManageEmojis
)
// Constants for the different bit offsets of general permissions
const (
PermissionCreateInstantInvite = 1 << iota
PermissionKickMembers
PermissionBanMembers
PermissionAdministrator
PermissionManageChannels
PermissionManageServer
PermissionAddReactions
PermissionViewAuditLogs
PermissionAllText = PermissionReadMessages |
PermissionSendMessages |
PermissionSendTTSMessages |
PermissionManageMessages |
PermissionEmbedLinks |
PermissionAttachFiles |
PermissionReadMessageHistory |
PermissionMentionEveryone
PermissionAllVoice = PermissionVoiceConnect |
PermissionVoiceSpeak |
PermissionVoiceMuteMembers |
PermissionVoiceDeafenMembers |
PermissionVoiceMoveMembers |
PermissionVoiceUseVAD
PermissionAllChannel = PermissionAllText |
PermissionAllVoice |
PermissionCreateInstantInvite |
PermissionManageRoles |
PermissionManageChannels |
PermissionAddReactions |
PermissionViewAuditLogs
PermissionAll = PermissionAllChannel |
PermissionKickMembers |
PermissionBanMembers |
PermissionManageServer |
PermissionAdministrator
)
// Block contains Discord JSON Error Response codes
const (
ErrCodeUnknownAccount = 10001
ErrCodeUnknownApplication = 10002
ErrCodeUnknownChannel = 10003
ErrCodeUnknownGuild = 10004
ErrCodeUnknownIntegration = 10005
ErrCodeUnknownInvite = 10006
ErrCodeUnknownMember = 10007
ErrCodeUnknownMessage = 10008
ErrCodeUnknownOverwrite = 10009
ErrCodeUnknownProvider = 10010
ErrCodeUnknownRole = 10011
ErrCodeUnknownToken = 10012
ErrCodeUnknownUser = 10013
ErrCodeUnknownEmoji = 10014
ErrCodeBotsCannotUseEndpoint = 20001
ErrCodeOnlyBotsCanUseEndpoint = 20002
ErrCodeMaximumGuildsReached = 30001
ErrCodeMaximumFriendsReached = 30002
ErrCodeMaximumPinsReached = 30003
ErrCodeMaximumGuildRolesReached = 30005
ErrCodeTooManyReactions = 30010
ErrCodeUnauthorized = 40001
ErrCodeMissingAccess = 50001
ErrCodeInvalidAccountType = 50002
ErrCodeCannotExecuteActionOnDMChannel = 50003
ErrCodeEmbedCisabled = 50004
ErrCodeCannotEditFromAnotherUser = 50005
ErrCodeCannotSendEmptyMessage = 50006
ErrCodeCannotSendMessagesToThisUser = 50007
ErrCodeCannotSendMessagesInVoiceChannel = 50008
ErrCodeChannelVerificationLevelTooHigh = 50009
ErrCodeOAuth2ApplicationDoesNotHaveBot = 50010
ErrCodeOAuth2ApplicationLimitReached = 50011
ErrCodeInvalidOAuthState = 50012
ErrCodeMissingPermissions = 50013
ErrCodeInvalidAuthenticationToken = 50014
ErrCodeNoteTooLong = 50015
ErrCodeTooFewOrTooManyMessagesToDelete = 50016
ErrCodeCanOnlyPinMessageToOriginatingChannel = 50019
ErrCodeCannotExecuteActionOnSystemMessage = 50021
ErrCodeMessageProvidedTooOldForBulkDelete = 50034
ErrCodeInvalidFormBody = 50035
ErrCodeInviteAcceptedToGuildApplicationsBotNotIn = 50036
ErrCodeReactionBlocked = 90001
)

@ -0,0 +1,124 @@
package main
import (
"bytes"
"go/format"
"go/parser"
"go/token"
"io/ioutil"
"log"
"path/filepath"
"regexp"
"sort"
"strings"
"text/template"
)
var eventHandlerTmpl = template.Must(template.New("eventHandler").Funcs(template.FuncMap{
"constName": constName,
"isDiscordEvent": isDiscordEvent,
"privateName": privateName,
}).Parse(`// Code generated by \"eventhandlers\"; DO NOT EDIT
// See events.go
package discordgo
// Following are all the event types.
// Event type values are used to match the events returned by Discord.
// EventTypes surrounded by __ are synthetic and are internal to DiscordGo.
const ({{range .}}
{{privateName .}}EventType = "{{constName .}}"{{end}}
)
{{range .}}
// {{privateName .}}EventHandler is an event handler for {{.}} events.
type {{privateName .}}EventHandler func(*Session, *{{.}})
// Type returns the event type for {{.}} events.
func (eh {{privateName .}}EventHandler) Type() string {
return {{privateName .}}EventType
}
{{if isDiscordEvent .}}
// New returns a new instance of {{.}}.
func (eh {{privateName .}}EventHandler) New() interface{} {
return &{{.}}{}
}{{end}}
// Handle is the handler for {{.}} events.
func (eh {{privateName .}}EventHandler) Handle(s *Session, i interface{}) {
if t, ok := i.(*{{.}}); ok {
eh(s, t)
}
}
{{end}}
func handlerForInterface(handler interface{}) EventHandler {
switch v := handler.(type) {
case func(*Session, interface{}):
return interfaceEventHandler(v){{range .}}
case func(*Session, *{{.}}):
return {{privateName .}}EventHandler(v){{end}}
}
return nil
}
func init() { {{range .}}{{if isDiscordEvent .}}
registerInterfaceProvider({{privateName .}}EventHandler(nil)){{end}}{{end}}
}
`))
func main() {
var buf bytes.Buffer
dir := filepath.Dir(".")
fs := token.NewFileSet()
parsedFile, err := parser.ParseFile(fs, "events.go", nil, 0)
if err != nil {
log.Fatalf("warning: internal error: could not parse events.go: %s", err)
return
}
names := []string{}
for object := range parsedFile.Scope.Objects {
names = append(names, object)
}
sort.Strings(names)
eventHandlerTmpl.Execute(&buf, names)
src, err := format.Source(buf.Bytes())
if err != nil {
log.Println("warning: internal error: invalid Go generated:", err)
src = buf.Bytes()
}
err = ioutil.WriteFile(filepath.Join(dir, strings.ToLower("eventhandlers.go")), src, 0644)
if err != nil {
log.Fatal(buf, "writing output: %s", err)
}
}
var constRegexp = regexp.MustCompile("([a-z])([A-Z])")
func constCase(name string) string {
return strings.ToUpper(constRegexp.ReplaceAllString(name, "${1}_${2}"))
}
func isDiscordEvent(name string) bool {
switch {
case name == "Connect", name == "Disconnect", name == "Event", name == "RateLimit", name == "Interface":
return false
default:
return true
}
}
func constName(name string) string {
if !isDiscordEvent(name) {
return "__" + constCase(name) + "__"
}
return constCase(name)
}
func privateName(name string) string {
return strings.ToLower(string(name[0])) + name[1:]
}

@ -0,0 +1,58 @@
// Discordgo - Discord bindings for Go
// Available at https://github.com/bwmarrin/discordgo
// Copyright 2015-2016 Bruce Marriner <bruce@sqls.net>. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This file contains custom types, currently only a timestamp wrapper.
package discordgo
import (
"encoding/json"
"fmt"
"net/http"
"time"
)
// Timestamp stores a timestamp, as sent by the Discord API.
type Timestamp string
// Parse parses a timestamp string into a time.Time object.
// The only time this can fail is if Discord changes their timestamp format.
func (t Timestamp) Parse() (time.Time, error) {
return time.Parse(time.RFC3339, string(t))
}
// RESTError stores error information about a request with a bad response code.
// Message is not always present, there are cases where api calls can fail
// without returning a json message.
type RESTError struct {
Request *http.Request
Response *http.Response
ResponseBody []byte
Message *APIErrorMessage // Message may be nil.
}
func newRestError(req *http.Request, resp *http.Response, body []byte) *RESTError {
restErr := &RESTError{
Request: req,
Response: resp,
ResponseBody: body,
}
// Attempt to decode the error and assume no message was provided if it fails
var msg *APIErrorMessage
err := json.Unmarshal(body, &msg)
if err == nil {
restErr.Message = msg
}
return restErr
}
func (r RESTError) Error() string {
return fmt.Sprintf("HTTP %s, %s", r.Response.Status, r.ResponseBody)
}

@ -0,0 +1,47 @@
package discordgo
import (
"fmt"
"strings"
)
// A User stores all data for an individual Discord user.
type User struct {
ID string `json:"id"`
Email string `json:"email"`
Username string `json:"username"`
Avatar string `json:"avatar"`
Discriminator string `json:"discriminator"`
Token string `json:"token"`
Verified bool `json:"verified"`
MFAEnabled bool `json:"mfa_enabled"`
Bot bool `json:"bot"`
}
// String returns a unique identifier of the form username#discriminator
func (u *User) String() string {
return fmt.Sprintf("%s#%s", u.Username, u.Discriminator)
}
// Mention return a string which mentions the user
func (u *User) Mention() string {
return fmt.Sprintf("<@%s>", u.ID)
}
// AvatarURL returns a URL to the user's avatar.
// size: The size of the user's avatar as a power of two
// if size is an empty string, no size parameter will
// be added to the URL.
func (u *User) AvatarURL(size string) string {
var URL string
if strings.HasPrefix(u.Avatar, "a_") {
URL = EndpointUserAvatarAnimated(u.ID, u.Avatar)
} else {
URL = EndpointUserAvatar(u.ID, u.Avatar)
}
if size != "" {
return URL + "?size=" + size
}
return URL
}

@ -0,0 +1,886 @@
// Discordgo - Discord bindings for Go
// Available at https://github.com/bwmarrin/discordgo
// Copyright 2015-2016 Bruce Marriner <bruce@sqls.net>. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This file contains code related to Discord voice suppport
package discordgo
import (
"encoding/binary"
"encoding/json"
"fmt"
"net"
"strings"
"sync"
"time"
"github.com/gorilla/websocket"
"golang.org/x/crypto/nacl/secretbox"
)
// ------------------------------------------------------------------------------------------------
// Code related to both VoiceConnection Websocket and UDP connections.
// ------------------------------------------------------------------------------------------------
// A VoiceConnection struct holds all the data and functions related to a Discord Voice Connection.
type VoiceConnection struct {
sync.RWMutex
Debug bool // If true, print extra logging -- DEPRECATED
LogLevel int
Ready bool // If true, voice is ready to send/receive audio
UserID string
GuildID string
ChannelID string
deaf bool
mute bool
speaking bool
reconnecting bool // If true, voice connection is trying to reconnect
OpusSend chan []byte // Chan for sending opus audio
OpusRecv chan *Packet // Chan for receiving opus audio
wsConn *websocket.Conn
wsMutex sync.Mutex
udpConn *net.UDPConn
session *Session
sessionID string
token string
endpoint string
// Used to send a close signal to goroutines
close chan struct{}
// Used to allow blocking until connected
connected chan bool
// Used to pass the sessionid from onVoiceStateUpdate
// sessionRecv chan string UNUSED ATM
op4 voiceOP4
op2 voiceOP2
voiceSpeakingUpdateHandlers []VoiceSpeakingUpdateHandler
}
// VoiceSpeakingUpdateHandler type provides a function definition for the
// VoiceSpeakingUpdate event
type VoiceSpeakingUpdateHandler func(vc *VoiceConnection, vs *VoiceSpeakingUpdate)
// Speaking sends a speaking notification to Discord over the voice websocket.
// This must be sent as true prior to sending audio and should be set to false
// once finished sending audio.
// b : Send true if speaking, false if not.
func (v *VoiceConnection) Speaking(b bool) (err error) {
v.log(LogDebug, "called (%t)", b)
type voiceSpeakingData struct {
Speaking bool `json:"speaking"`
Delay int `json:"delay"`
}
type voiceSpeakingOp struct {
Op int `json:"op"` // Always 5
Data voiceSpeakingData `json:"d"`
}
if v.wsConn == nil {
return fmt.Errorf("no VoiceConnection websocket")
}
data := voiceSpeakingOp{5, voiceSpeakingData{b, 0}}
v.wsMutex.Lock()
err = v.wsConn.WriteJSON(data)
v.wsMutex.Unlock()
v.Lock()
defer v.Unlock()
if err != nil {
v.speaking = false
v.log(LogError, "Speaking() write json error:", err)
return
}
v.speaking = b
return
}
// ChangeChannel sends Discord a request to change channels within a Guild
// !!! NOTE !!! This function may be removed in favour of just using ChannelVoiceJoin
func (v *VoiceConnection) ChangeChannel(channelID string, mute, deaf bool) (err error) {
v.log(LogInformational, "called")
data := voiceChannelJoinOp{4, voiceChannelJoinData{&v.GuildID, &channelID, mute, deaf}}
v.wsMutex.Lock()
err = v.session.wsConn.WriteJSON(data)
v.wsMutex.Unlock()
if err != nil {
return
}
v.ChannelID = channelID
v.deaf = deaf
v.mute = mute
v.speaking = false
return
}
// Disconnect disconnects from this voice channel and closes the websocket
// and udp connections to Discord.
// !!! NOTE !!! this function may be removed in favour of ChannelVoiceLeave
func (v *VoiceConnection) Disconnect() (err error) {
// Send a OP4 with a nil channel to disconnect
if v.sessionID != "" {
data := voiceChannelJoinOp{4, voiceChannelJoinData{&v.GuildID, nil, true, true}}
v.session.wsMutex.Lock()
err = v.session.wsConn.WriteJSON(data)
v.session.wsMutex.Unlock()
v.sessionID = ""
}
// Close websocket and udp connections
v.Close()
v.log(LogInformational, "Deleting VoiceConnection %s", v.GuildID)
v.session.Lock()
delete(v.session.VoiceConnections, v.GuildID)
v.session.Unlock()
return
}
// Close closes the voice ws and udp connections
func (v *VoiceConnection) Close() {
v.log(LogInformational, "called")
v.Lock()
defer v.Unlock()
v.Ready = false
v.speaking = false
if v.close != nil {
v.log(LogInformational, "closing v.close")
close(v.close)
v.close = nil
}
if v.udpConn != nil {
v.log(LogInformational, "closing udp")
err := v.udpConn.Close()
if err != nil {
v.log(LogError, "error closing udp connection: ", err)
}
v.udpConn = nil
}
if v.wsConn != nil {
v.log(LogInformational, "sending close frame")
// To cleanly close a connection, a client should send a close
// frame and wait for the server to close the connection.
v.wsMutex.Lock()
err := v.wsConn.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
v.wsMutex.Unlock()
if err != nil {
v.log(LogError, "error closing websocket, %s", err)
}
// TODO: Wait for Discord to actually close the connection.
time.Sleep(1 * time.Second)
v.log(LogInformational, "closing websocket")
err = v.wsConn.Close()
if err != nil {
v.log(LogError, "error closing websocket, %s", err)
}
v.wsConn = nil
}
}
// AddHandler adds a Handler for VoiceSpeakingUpdate events.
func (v *VoiceConnection) AddHandler(h VoiceSpeakingUpdateHandler) {
v.Lock()
defer v.Unlock()
v.voiceSpeakingUpdateHandlers = append(v.voiceSpeakingUpdateHandlers, h)
}
// VoiceSpeakingUpdate is a struct for a VoiceSpeakingUpdate event.
type VoiceSpeakingUpdate struct {
UserID string `json:"user_id"`
SSRC int `json:"ssrc"`
Speaking bool `json:"speaking"`
}
// ------------------------------------------------------------------------------------------------
// Unexported Internal Functions Below.
// ------------------------------------------------------------------------------------------------
// A voiceOP4 stores the data for the voice operation 4 websocket event
// which provides us with the NaCl SecretBox encryption key
type voiceOP4 struct {
SecretKey [32]byte `json:"secret_key"`
Mode string `json:"mode"`
}
// A voiceOP2 stores the data for the voice operation 2 websocket event
// which is sort of like the voice READY packet
type voiceOP2 struct {
SSRC uint32 `json:"ssrc"`
Port int `json:"port"`
Modes []string `json:"modes"`
HeartbeatInterval time.Duration `json:"heartbeat_interval"`
}
// WaitUntilConnected waits for the Voice Connection to
// become ready, if it does not become ready it returns an err
func (v *VoiceConnection) waitUntilConnected() error {
v.log(LogInformational, "called")
i := 0
for {
v.RLock()
ready := v.Ready
v.RUnlock()
if ready {
return nil
}
if i > 10 {
return fmt.Errorf("timeout waiting for voice")
}
time.Sleep(1 * time.Second)
i++
}
}
// Open opens a voice connection. This should be called
// after VoiceChannelJoin is used and the data VOICE websocket events
// are captured.
func (v *VoiceConnection) open() (err error) {
v.log(LogInformational, "called")
v.Lock()
defer v.Unlock()
// Don't open a websocket if one is already open
if v.wsConn != nil {
v.log(LogWarning, "refusing to overwrite non-nil websocket")
return
}
// TODO temp? loop to wait for the SessionID
i := 0
for {
if v.sessionID != "" {
break
}
if i > 20 { // only loop for up to 1 second total
return fmt.Errorf("did not receive voice Session ID in time")
}
time.Sleep(50 * time.Millisecond)
i++
}
// Connect to VoiceConnection Websocket
vg := fmt.Sprintf("wss://%s", strings.TrimSuffix(v.endpoint, ":80"))
v.log(LogInformational, "connecting to voice endpoint %s", vg)
v.wsConn, _, err = websocket.DefaultDialer.Dial(vg, nil)
if err != nil {
v.log(LogWarning, "error connecting to voice endpoint %s, %s", vg, err)
v.log(LogDebug, "voice struct: %#v\n", v)
return
}
type voiceHandshakeData struct {
ServerID string `json:"server_id"`
UserID string `json:"user_id"`
SessionID string `json:"session_id"`
Token string `json:"token"`
}
type voiceHandshakeOp struct {
Op int `json:"op"` // Always 0
Data voiceHandshakeData `json:"d"`
}
data := voiceHandshakeOp{0, voiceHandshakeData{v.GuildID, v.UserID, v.sessionID, v.token}}
err = v.wsConn.WriteJSON(data)
if err != nil {
v.log(LogWarning, "error sending init packet, %s", err)
return
}
v.close = make(chan struct{})
go v.wsListen(v.wsConn, v.close)
// add loop/check for Ready bool here?
// then return false if not ready?
// but then wsListen will also err.
return
}
// wsListen listens on the voice websocket for messages and passes them
// to the voice event handler. This is automatically called by the Open func
func (v *VoiceConnection) wsListen(wsConn *websocket.Conn, close <-chan struct{}) {
v.log(LogInformational, "called")
for {
_, message, err := v.wsConn.ReadMessage()
if err != nil {
// Detect if we have been closed manually. If a Close() has already
// happened, the websocket we are listening on will be different to the
// current session.
v.RLock()
sameConnection := v.wsConn == wsConn
v.RUnlock()
if sameConnection {
v.log(LogError, "voice endpoint %s websocket closed unexpectantly, %s", v.endpoint, err)
// Start reconnect goroutine then exit.
go v.reconnect()
}
return
}
// Pass received message to voice event handler
select {
case <-close:
return
default:
go v.onEvent(message)
}
}
}
// wsEvent handles any voice websocket events. This is only called by the
// wsListen() function.
func (v *VoiceConnection) onEvent(message []byte) {
v.log(LogDebug, "received: %s", string(message))
var e Event
if err := json.Unmarshal(message, &e); err != nil {
v.log(LogError, "unmarshall error, %s", err)
return
}
switch e.Operation {
case 2: // READY
if err := json.Unmarshal(e.RawData, &v.op2); err != nil {
v.log(LogError, "OP2 unmarshall error, %s, %s", err, string(e.RawData))
return
}
// Start the voice websocket heartbeat to keep the connection alive
go v.wsHeartbeat(v.wsConn, v.close, v.op2.HeartbeatInterval)
// TODO monitor a chan/bool to verify this was successful
// Start the UDP connection
err := v.udpOpen()
if err != nil {
v.log(LogError, "error opening udp connection, %s", err)
return
}
// Start the opusSender.
// TODO: Should we allow 48000/960 values to be user defined?
if v.OpusSend == nil {
v.OpusSend = make(chan []byte, 2)
}
go v.opusSender(v.udpConn, v.close, v.OpusSend, 48000, 960)
// Start the opusReceiver
if !v.deaf {
if v.OpusRecv == nil {
v.OpusRecv = make(chan *Packet, 2)
}
go v.opusReceiver(v.udpConn, v.close, v.OpusRecv)
}
return
case 3: // HEARTBEAT response
// add code to use this to track latency?
return
case 4: // udp encryption secret key
v.Lock()
defer v.Unlock()
v.op4 = voiceOP4{}
if err := json.Unmarshal(e.RawData, &v.op4); err != nil {
v.log(LogError, "OP4 unmarshall error, %s, %s", err, string(e.RawData))
return
}
return
case 5:
if len(v.voiceSpeakingUpdateHandlers) == 0 {
return
}
voiceSpeakingUpdate := &VoiceSpeakingUpdate{}
if err := json.Unmarshal(e.RawData, voiceSpeakingUpdate); err != nil {
v.log(LogError, "OP5 unmarshall error, %s, %s", err, string(e.RawData))
return
}
for _, h := range v.voiceSpeakingUpdateHandlers {
h(v, voiceSpeakingUpdate)
}
default:
v.log(LogDebug, "unknown voice operation, %d, %s", e.Operation, string(e.RawData))
}
return
}
type voiceHeartbeatOp struct {
Op int `json:"op"` // Always 3
Data int `json:"d"`
}
// NOTE :: When a guild voice server changes how do we shut this down
// properly, so a new connection can be setup without fuss?
//
// wsHeartbeat sends regular heartbeats to voice Discord so it knows the client
// is still connected. If you do not send these heartbeats Discord will
// disconnect the websocket connection after a few seconds.
func (v *VoiceConnection) wsHeartbeat(wsConn *websocket.Conn, close <-chan struct{}, i time.Duration) {
if close == nil || wsConn == nil {
return
}
var err error
ticker := time.NewTicker(i * time.Millisecond)
defer ticker.Stop()
for {
v.log(LogDebug, "sending heartbeat packet")
v.wsMutex.Lock()
err = wsConn.WriteJSON(voiceHeartbeatOp{3, int(time.Now().Unix())})
v.wsMutex.Unlock()
if err != nil {
v.log(LogError, "error sending heartbeat to voice endpoint %s, %s", v.endpoint, err)
return
}
select {
case <-ticker.C:
// continue loop and send heartbeat
case <-close:
return
}
}
}
// ------------------------------------------------------------------------------------------------
// Code related to the VoiceConnection UDP connection
// ------------------------------------------------------------------------------------------------
type voiceUDPData struct {
Address string `json:"address"` // Public IP of machine running this code
Port uint16 `json:"port"` // UDP Port of machine running this code
Mode string `json:"mode"` // always "xsalsa20_poly1305"
}
type voiceUDPD struct {
Protocol string `json:"protocol"` // Always "udp" ?
Data voiceUDPData `json:"data"`
}
type voiceUDPOp struct {
Op int `json:"op"` // Always 1
Data voiceUDPD `json:"d"`
}
// udpOpen opens a UDP connection to the voice server and completes the
// initial required handshake. This connection is left open in the session
// and can be used to send or receive audio. This should only be called
// from voice.wsEvent OP2
func (v *VoiceConnection) udpOpen() (err error) {
v.Lock()
defer v.Unlock()
if v.wsConn == nil {
return fmt.Errorf("nil voice websocket")
}
if v.udpConn != nil {
return fmt.Errorf("udp connection already open")
}
if v.close == nil {
return fmt.Errorf("nil close channel")
}
if v.endpoint == "" {
return fmt.Errorf("empty endpoint")
}
host := fmt.Sprintf("%s:%d", strings.TrimSuffix(v.endpoint, ":80"), v.op2.Port)
addr, err := net.ResolveUDPAddr("udp", host)
if err != nil {
v.log(LogWarning, "error resolving udp host %s, %s", host, err)
return
}
v.log(LogInformational, "connecting to udp addr %s", addr.String())
v.udpConn, err = net.DialUDP("udp", nil, addr)
if err != nil {
v.log(LogWarning, "error connecting to udp addr %s, %s", addr.String(), err)
return
}
// Create a 70 byte array and put the SSRC code from the Op 2 VoiceConnection event
// into it. Then send that over the UDP connection to Discord
sb := make([]byte, 70)
binary.BigEndian.PutUint32(sb, v.op2.SSRC)
_, err = v.udpConn.Write(sb)
if err != nil {
v.log(LogWarning, "udp write error to %s, %s", addr.String(), err)
return
}
// Create a 70 byte array and listen for the initial handshake response
// from Discord. Once we get it parse the IP and PORT information out
// of the response. This should be our public IP and PORT as Discord
// saw us.
rb := make([]byte, 70)
rlen, _, err := v.udpConn.ReadFromUDP(rb)
if err != nil {
v.log(LogWarning, "udp read error, %s, %s", addr.String(), err)
return
}
if rlen < 70 {
v.log(LogWarning, "received udp packet too small")
return fmt.Errorf("received udp packet too small")
}
// Loop over position 4 through 20 to grab the IP address
// Should never be beyond position 20.
var ip string
for i := 4; i < 20; i++ {
if rb[i] == 0 {
break
}
ip += string(rb[i])
}
// Grab port from position 68 and 69
port := binary.LittleEndian.Uint16(rb[68:70])
// Take the data from above and send it back to Discord to finalize
// the UDP connection handshake.
data := voiceUDPOp{1, voiceUDPD{"udp", voiceUDPData{ip, port, "xsalsa20_poly1305"}}}
v.wsMutex.Lock()
err = v.wsConn.WriteJSON(data)
v.wsMutex.Unlock()
if err != nil {
v.log(LogWarning, "udp write error, %#v, %s", data, err)
return
}
// start udpKeepAlive
go v.udpKeepAlive(v.udpConn, v.close, 5*time.Second)
// TODO: find a way to check that it fired off okay
return
}
// udpKeepAlive sends a udp packet to keep the udp connection open
// This is still a bit of a "proof of concept"
func (v *VoiceConnection) udpKeepAlive(udpConn *net.UDPConn, close <-chan struct{}, i time.Duration) {
if udpConn == nil || close == nil {
return
}
var err error
var sequence uint64
packet := make([]byte, 8)
ticker := time.NewTicker(i)
defer ticker.Stop()
for {
binary.LittleEndian.PutUint64(packet, sequence)
sequence++
_, err = udpConn.Write(packet)
if err != nil {
v.log(LogError, "write error, %s", err)
return
}
select {
case <-ticker.C:
// continue loop and send keepalive
case <-close:
return
}
}
}
// opusSender will listen on the given channel and send any
// pre-encoded opus audio to Discord. Supposedly.
func (v *VoiceConnection) opusSender(udpConn *net.UDPConn, close <-chan struct{}, opus <-chan []byte, rate, size int) {
if udpConn == nil || close == nil {
return
}
// VoiceConnection is now ready to receive audio packets
// TODO: this needs reviewed as I think there must be a better way.
v.Lock()
v.Ready = true
v.Unlock()
defer func() {
v.Lock()
v.Ready = false
v.Unlock()
}()
var sequence uint16
var timestamp uint32
var recvbuf []byte
var ok bool
udpHeader := make([]byte, 12)
var nonce [24]byte
// build the parts that don't change in the udpHeader
udpHeader[0] = 0x80
udpHeader[1] = 0x78
binary.BigEndian.PutUint32(udpHeader[8:], v.op2.SSRC)
// start a send loop that loops until buf chan is closed
ticker := time.NewTicker(time.Millisecond * time.Duration(size/(rate/1000)))
defer ticker.Stop()
for {
// Get data from chan. If chan is closed, return.
select {
case <-close:
return
case recvbuf, ok = <-opus:
if !ok {
return
}
// else, continue loop
}
v.RLock()
speaking := v.speaking
v.RUnlock()
if !speaking {
err := v.Speaking(true)
if err != nil {
v.log(LogError, "error sending speaking packet, %s", err)
}
}
// Add sequence and timestamp to udpPacket
binary.BigEndian.PutUint16(udpHeader[2:], sequence)
binary.BigEndian.PutUint32(udpHeader[4:], timestamp)
// encrypt the opus data
copy(nonce[:], udpHeader)
v.RLock()
sendbuf := secretbox.Seal(udpHeader, recvbuf, &nonce, &v.op4.SecretKey)
v.RUnlock()
// block here until we're exactly at the right time :)
// Then send rtp audio packet to Discord over UDP
select {
case <-close:
return
case <-ticker.C:
// continue
}
_, err := udpConn.Write(sendbuf)
if err != nil {
v.log(LogError, "udp write error, %s", err)
v.log(LogDebug, "voice struct: %#v\n", v)
return
}
if (sequence) == 0xFFFF {
sequence = 0
} else {
sequence++
}
if (timestamp + uint32(size)) >= 0xFFFFFFFF {
timestamp = 0
} else {
timestamp += uint32(size)
}
}
}
// A Packet contains the headers and content of a received voice packet.
type Packet struct {
SSRC uint32
Sequence uint16
Timestamp uint32
Type []byte
Opus []byte
PCM []int16
}
// opusReceiver listens on the UDP socket for incoming packets
// and sends them across the given channel
// NOTE :: This function may change names later.
func (v *VoiceConnection) opusReceiver(udpConn *net.UDPConn, close <-chan struct{}, c chan *Packet) {
if udpConn == nil || close == nil {
return
}
recvbuf := make([]byte, 1024)
var nonce [24]byte
for {
rlen, err := udpConn.Read(recvbuf)
if err != nil {
// Detect if we have been closed manually. If a Close() has already
// happened, the udp connection we are listening on will be different
// to the current session.
v.RLock()
sameConnection := v.udpConn == udpConn
v.RUnlock()
if sameConnection {
v.log(LogError, "udp read error, %s, %s", v.endpoint, err)
v.log(LogDebug, "voice struct: %#v\n", v)
go v.reconnect()
}
return
}
select {
case <-close:
return
default:
// continue loop
}
// For now, skip anything except audio.
if rlen < 12 || (recvbuf[0] != 0x80 && recvbuf[0] != 0x90) {
continue
}
// build a audio packet struct
p := Packet{}
p.Type = recvbuf[0:2]
p.Sequence = binary.BigEndian.Uint16(recvbuf[2:4])
p.Timestamp = binary.BigEndian.Uint32(recvbuf[4:8])
p.SSRC = binary.BigEndian.Uint32(recvbuf[8:12])
// decrypt opus data
copy(nonce[:], recvbuf[0:12])
p.Opus, _ = secretbox.Open(nil, recvbuf[12:rlen], &nonce, &v.op4.SecretKey)
if len(p.Opus) > 8 && recvbuf[0] == 0x90 {
// Extension bit is set, first 8 bytes is the extended header
p.Opus = p.Opus[8:]
}
if c != nil {
select {
case c <- &p:
case <-close:
return
}
}
}
}
// Reconnect will close down a voice connection then immediately try to
// reconnect to that session.
// NOTE : This func is messy and a WIP while I find what works.
// It will be cleaned up once a proven stable option is flushed out.
// aka: this is ugly shit code, please don't judge too harshly.
func (v *VoiceConnection) reconnect() {
v.log(LogInformational, "called")
v.Lock()
if v.reconnecting {
v.log(LogInformational, "already reconnecting to channel %s, exiting", v.ChannelID)
v.Unlock()
return
}
v.reconnecting = true
v.Unlock()
defer func() { v.reconnecting = false }()
// Close any currently open connections
v.Close()
wait := time.Duration(1)
for {
<-time.After(wait * time.Second)
wait *= 2
if wait > 600 {
wait = 600
}
if v.session.DataReady == false || v.session.wsConn == nil {
v.log(LogInformational, "cannot reconnect to channel %s with unready session", v.ChannelID)
continue
}
v.log(LogInformational, "trying to reconnect to channel %s", v.ChannelID)
_, err := v.session.ChannelVoiceJoin(v.GuildID, v.ChannelID, v.mute, v.deaf)
if err == nil {
v.log(LogInformational, "successfully reconnected to channel %s", v.ChannelID)
return
}
v.log(LogInformational, "error reconnecting to channel %s, %s", v.ChannelID, err)
// if the reconnect above didn't work lets just send a disconnect
// packet to reset things.
// Send a OP4 with a nil channel to disconnect
data := voiceChannelJoinOp{4, voiceChannelJoinData{&v.GuildID, nil, true, true}}
v.session.wsMutex.Lock()
err = v.session.wsConn.WriteJSON(data)
v.session.wsMutex.Unlock()
if err != nil {
v.log(LogError, "error sending disconnect packet, %s", err)
}
}
}

@ -0,0 +1,845 @@
// Discordgo - Discord bindings for Go
// Available at https://github.com/bwmarrin/discordgo
// Copyright 2015-2016 Bruce Marriner <bruce@sqls.net>. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This file contains low level functions for interacting with the Discord
// data websocket interface.
package discordgo
import (
"bytes"
"compress/zlib"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"runtime"
"sync/atomic"
"time"
"github.com/gorilla/websocket"
)
// ErrWSAlreadyOpen is thrown when you attempt to open
// a websocket that already is open.
var ErrWSAlreadyOpen = errors.New("web socket already opened")
// ErrWSNotFound is thrown when you attempt to use a websocket
// that doesn't exist
var ErrWSNotFound = errors.New("no websocket connection exists")
// ErrWSShardBounds is thrown when you try to use a shard ID that is
// less than the total shard count
var ErrWSShardBounds = errors.New("ShardID must be less than ShardCount")
type resumePacket struct {
Op int `json:"op"`
Data struct {
Token string `json:"token"`
SessionID string `json:"session_id"`
Sequence int64 `json:"seq"`
} `json:"d"`
}
// Open creates a websocket connection to Discord.
// See: https://discordapp.com/developers/docs/topics/gateway#connecting
func (s *Session) Open() error {
s.log(LogInformational, "called")
var err error
// Prevent Open or other major Session functions from
// being called while Open is still running.
s.Lock()
defer s.Unlock()
// If the websock is already open, bail out here.
if s.wsConn != nil {
return ErrWSAlreadyOpen
}
// Get the gateway to use for the Websocket connection
if s.gateway == "" {
s.gateway, err = s.Gateway()
if err != nil {
return err
}
// Add the version and encoding to the URL
s.gateway = s.gateway + "?v=" + APIVersion + "&encoding=json"
}
// Connect to the Gateway
s.log(LogInformational, "connecting to gateway %s", s.gateway)
header := http.Header{}
header.Add("accept-encoding", "zlib")
s.wsConn, _, err = websocket.DefaultDialer.Dial(s.gateway, header)
if err != nil {
s.log(LogWarning, "error connecting to gateway %s, %s", s.gateway, err)
s.gateway = "" // clear cached gateway
s.wsConn = nil // Just to be safe.
return err
}
defer func() {
// because of this, all code below must set err to the error
// when exiting with an error :) Maybe someone has a better
// way :)
if err != nil {
s.wsConn.Close()
s.wsConn = nil
}
}()
// The first response from Discord should be an Op 10 (Hello) Packet.
// When processed by onEvent the heartbeat goroutine will be started.
mt, m, err := s.wsConn.ReadMessage()
if err != nil {
return err
}
e, err := s.onEvent(mt, m)
if err != nil {
return err
}
if e.Operation != 10 {
err = fmt.Errorf("expecting Op 10, got Op %d instead", e.Operation)
return err
}
s.log(LogInformational, "Op 10 Hello Packet received from Discord")
s.LastHeartbeatAck = time.Now().UTC()
var h helloOp
if err = json.Unmarshal(e.RawData, &h); err != nil {
err = fmt.Errorf("error unmarshalling helloOp, %s", err)
return err
}
// Now we send either an Op 2 Identity if this is a brand new
// connection or Op 6 Resume if we are resuming an existing connection.
sequence := atomic.LoadInt64(s.sequence)
if s.sessionID == "" && sequence == 0 {
// Send Op 2 Identity Packet
err = s.identify()
if err != nil {
err = fmt.Errorf("error sending identify packet to gateway, %s, %s", s.gateway, err)
return err
}
} else {
// Send Op 6 Resume Packet
p := resumePacket{}
p.Op = 6
p.Data.Token = s.Token
p.Data.SessionID = s.sessionID
p.Data.Sequence = sequence
s.log(LogInformational, "sending resume packet to gateway")
s.wsMutex.Lock()
err = s.wsConn.WriteJSON(p)
s.wsMutex.Unlock()
if err != nil {
err = fmt.Errorf("error sending gateway resume packet, %s, %s", s.gateway, err)
return err
}
}
// A basic state is a hard requirement for Voice.
// We create it here so the below READY/RESUMED packet can populate
// the state :)
// XXX: Move to New() func?
if s.State == nil {
state := NewState()
state.TrackChannels = false
state.TrackEmojis = false
state.TrackMembers = false
state.TrackRoles = false
state.TrackVoice = false
s.State = state
}
// Now Discord should send us a READY or RESUMED packet.
mt, m, err = s.wsConn.ReadMessage()
if err != nil {
return err
}
e, err = s.onEvent(mt, m)
if err != nil {
return err
}
if e.Type != `READY` && e.Type != `RESUMED` {
// This is not fatal, but it does not follow their API documentation.
s.log(LogWarning, "Expected READY/RESUMED, instead got:\n%#v\n", e)
}
s.log(LogInformational, "First Packet:\n%#v\n", e)
s.log(LogInformational, "We are now connected to Discord, emitting connect event")
s.handleEvent(connectEventType, &Connect{})
// A VoiceConnections map is a hard requirement for Voice.
// XXX: can this be moved to when opening a voice connection?
if s.VoiceConnections == nil {
s.log(LogInformational, "creating new VoiceConnections map")
s.VoiceConnections = make(map[string]*VoiceConnection)
}
// Create listening chan outside of listen, as it needs to happen inside the
// mutex lock and needs to exist before calling heartbeat and listen
// go rountines.
s.listening = make(chan interface{})
// Start sending heartbeats and reading messages from Discord.
go s.heartbeat(s.wsConn, s.listening, h.HeartbeatInterval)
go s.listen(s.wsConn, s.listening)
s.log(LogInformational, "exiting")
return nil
}
// listen polls the websocket connection for events, it will stop when the
// listening channel is closed, or an error occurs.
func (s *Session) listen(wsConn *websocket.Conn, listening <-chan interface{}) {
s.log(LogInformational, "called")
for {
messageType, message, err := wsConn.ReadMessage()
if err != nil {
// Detect if we have been closed manually. If a Close() has already
// happened, the websocket we are listening on will be different to
// the current session.
s.RLock()
sameConnection := s.wsConn == wsConn
s.RUnlock()
if sameConnection {
s.log(LogWarning, "error reading from gateway %s websocket, %s", s.gateway, err)
// There has been an error reading, close the websocket so that
// OnDisconnect event is emitted.
err := s.Close()
if err != nil {
s.log(LogWarning, "error closing session connection, %s", err)
}
s.log(LogInformational, "calling reconnect() now")
s.reconnect()
}
return
}
select {
case <-listening:
return
default:
s.onEvent(messageType, message)
}
}
}
type heartbeatOp struct {
Op int `json:"op"`
Data int64 `json:"d"`
}
type helloOp struct {
HeartbeatInterval time.Duration `json:"heartbeat_interval"`
Trace []string `json:"_trace"`
}
// FailedHeartbeatAcks is the Number of heartbeat intervals to wait until forcing a connection restart.
const FailedHeartbeatAcks time.Duration = 5 * time.Millisecond
// heartbeat sends regular heartbeats to Discord so it knows the client
// is still connected. If you do not send these heartbeats Discord will
// disconnect the websocket connection after a few seconds.
func (s *Session) heartbeat(wsConn *websocket.Conn, listening <-chan interface{}, heartbeatIntervalMsec time.Duration) {
s.log(LogInformational, "called")
if listening == nil || wsConn == nil {
return
}
var err error
ticker := time.NewTicker(heartbeatIntervalMsec * time.Millisecond)
defer ticker.Stop()
for {
s.RLock()
last := s.LastHeartbeatAck
s.RUnlock()
sequence := atomic.LoadInt64(s.sequence)
s.log(LogInformational, "sending gateway websocket heartbeat seq %d", sequence)
s.wsMutex.Lock()
err = wsConn.WriteJSON(heartbeatOp{1, sequence})
s.wsMutex.Unlock()
if err != nil || time.Now().UTC().Sub(last) > (heartbeatIntervalMsec*FailedHeartbeatAcks) {
if err != nil {
s.log(LogError, "error sending heartbeat to gateway %s, %s", s.gateway, err)
} else {
s.log(LogError, "haven't gotten a heartbeat ACK in %v, triggering a reconnection", time.Now().UTC().Sub(last))
}
s.Close()
s.reconnect()
return
}
s.Lock()
s.DataReady = true
s.Unlock()
select {
case <-ticker.C:
// continue loop and send heartbeat
case <-listening:
return
}
}
}
// UpdateStatusData ia provided to UpdateStatusComplex()
type UpdateStatusData struct {
IdleSince *int `json:"since"`
Game *Game `json:"game"`
AFK bool `json:"afk"`
Status string `json:"status"`
}
type updateStatusOp struct {
Op int `json:"op"`
Data UpdateStatusData `json:"d"`
}
// UpdateStreamingStatus is used to update the user's streaming status.
// If idle>0 then set status to idle.
// If game!="" then set game.
// If game!="" and url!="" then set the status type to streaming with the URL set.
// if otherwise, set status to active, and no game.
func (s *Session) UpdateStreamingStatus(idle int, game string, url string) (err error) {
s.log(LogInformational, "called")
usd := UpdateStatusData{
Status: "online",
}
if idle > 0 {
usd.IdleSince = &idle
}
if game != "" {
gameType := GameTypeGame
if url != "" {
gameType = GameTypeStreaming
}
usd.Game = &Game{
Name: game,
Type: gameType,
URL: url,
}
}
return s.UpdateStatusComplex(usd)
}
// UpdateStatusComplex allows for sending the raw status update data untouched by discordgo.
func (s *Session) UpdateStatusComplex(usd UpdateStatusData) (err error) {
s.RLock()
defer s.RUnlock()
if s.wsConn == nil {
return ErrWSNotFound
}
s.wsMutex.Lock()
err = s.wsConn.WriteJSON(updateStatusOp{3, usd})
s.wsMutex.Unlock()
return
}
// UpdateStatus is used to update the user's status.
// If idle>0 then set status to idle.
// If game!="" then set game.
// if otherwise, set status to active, and no game.
func (s *Session) UpdateStatus(idle int, game string) (err error) {
return s.UpdateStreamingStatus(idle, game, "")
}
type requestGuildMembersData struct {
GuildID string `json:"guild_id"`
Query string `json:"query"`
Limit int `json:"limit"`
}
type requestGuildMembersOp struct {
Op int `json:"op"`
Data requestGuildMembersData `json:"d"`
}
// RequestGuildMembers requests guild members from the gateway
// The gateway responds with GuildMembersChunk events
// guildID : The ID of the guild to request members of
// query : String that username starts with, leave empty to return all members
// limit : Max number of items to return, or 0 to request all members matched
func (s *Session) RequestGuildMembers(guildID, query string, limit int) (err error) {
s.log(LogInformational, "called")
s.RLock()
defer s.RUnlock()
if s.wsConn == nil {
return ErrWSNotFound
}
data := requestGuildMembersData{
GuildID: guildID,
Query: query,
Limit: limit,
}
s.wsMutex.Lock()
err = s.wsConn.WriteJSON(requestGuildMembersOp{8, data})
s.wsMutex.Unlock()
return
}
// onEvent is the "event handler" for all messages received on the
// Discord Gateway API websocket connection.
//
// If you use the AddHandler() function to register a handler for a
// specific event this function will pass the event along to that handler.
//
// If you use the AddHandler() function to register a handler for the
// "OnEvent" event then all events will be passed to that handler.
func (s *Session) onEvent(messageType int, message []byte) (*Event, error) {
var err error
var reader io.Reader
reader = bytes.NewBuffer(message)
// If this is a compressed message, uncompress it.
if messageType == websocket.BinaryMessage {
z, err2 := zlib.NewReader(reader)
if err2 != nil {
s.log(LogError, "error uncompressing websocket message, %s", err)
return nil, err2
}
defer func() {
err3 := z.Close()
if err3 != nil {
s.log(LogWarning, "error closing zlib, %s", err)
}
}()
reader = z
}
// Decode the event into an Event struct.
var e *Event
decoder := json.NewDecoder(reader)
if err = decoder.Decode(&e); err != nil {
s.log(LogError, "error decoding websocket message, %s", err)
return e, err
}
s.log(LogDebug, "Op: %d, Seq: %d, Type: %s, Data: %s\n\n", e.Operation, e.Sequence, e.Type, string(e.RawData))
// Ping request.
// Must respond with a heartbeat packet within 5 seconds
if e.Operation == 1 {
s.log(LogInformational, "sending heartbeat in response to Op1")
s.wsMutex.Lock()
err = s.wsConn.WriteJSON(heartbeatOp{1, atomic.LoadInt64(s.sequence)})
s.wsMutex.Unlock()
if err != nil {
s.log(LogError, "error sending heartbeat in response to Op1")
return e, err
}
return e, nil
}
// Reconnect
// Must immediately disconnect from gateway and reconnect to new gateway.
if e.Operation == 7 {
s.log(LogInformational, "Closing and reconnecting in response to Op7")
s.Close()
s.reconnect()
return e, nil
}
// Invalid Session
// Must respond with a Identify packet.
if e.Operation == 9 {
s.log(LogInformational, "sending identify packet to gateway in response to Op9")
err = s.identify()
if err != nil {
s.log(LogWarning, "error sending gateway identify packet, %s, %s", s.gateway, err)
return e, err
}
return e, nil
}
if e.Operation == 10 {
// Op10 is handled by Open()
return e, nil
}
if e.Operation == 11 {
s.Lock()
s.LastHeartbeatAck = time.Now().UTC()
s.Unlock()
s.log(LogInformational, "got heartbeat ACK")
return e, nil
}
// Do not try to Dispatch a non-Dispatch Message
if e.Operation != 0 {
// But we probably should be doing something with them.
// TEMP
s.log(LogWarning, "unknown Op: %d, Seq: %d, Type: %s, Data: %s, message: %s", e.Operation, e.Sequence, e.Type, string(e.RawData), string(message))
return e, nil
}
// Store the message sequence
atomic.StoreInt64(s.sequence, e.Sequence)
// Map event to registered event handlers and pass it along to any registered handlers.
if eh, ok := registeredInterfaceProviders[e.Type]; ok {
e.Struct = eh.New()
// Attempt to unmarshal our event.
if err = json.Unmarshal(e.RawData, e.Struct); err != nil {
s.log(LogError, "error unmarshalling %s event, %s", e.Type, err)
}
// Send event to any registered event handlers for it's type.
// Because the above doesn't cancel this, in case of an error
// the struct could be partially populated or at default values.
// However, most errors are due to a single field and I feel
// it's better to pass along what we received than nothing at all.
// TODO: Think about that decision :)
// Either way, READY events must fire, even with errors.
s.handleEvent(e.Type, e.Struct)
} else {
s.log(LogWarning, "unknown event: Op: %d, Seq: %d, Type: %s, Data: %s", e.Operation, e.Sequence, e.Type, string(e.RawData))
}
// For legacy reasons, we send the raw event also, this could be useful for handling unknown events.
s.handleEvent(eventEventType, e)
return e, nil
}
// ------------------------------------------------------------------------------------------------
// Code related to voice connections that initiate over the data websocket
// ------------------------------------------------------------------------------------------------
type voiceChannelJoinData struct {
GuildID *string `json:"guild_id"`
ChannelID *string `json:"channel_id"`
SelfMute bool `json:"self_mute"`
SelfDeaf bool `json:"self_deaf"`
}
type voiceChannelJoinOp struct {
Op int `json:"op"`
Data voiceChannelJoinData `json:"d"`
}
// ChannelVoiceJoin joins the session user to a voice channel.
//
// gID : Guild ID of the channel to join.
// cID : Channel ID of the channel to join.
// mute : If true, you will be set to muted upon joining.
// deaf : If true, you will be set to deafened upon joining.
func (s *Session) ChannelVoiceJoin(gID, cID string, mute, deaf bool) (voice *VoiceConnection, err error) {
s.log(LogInformational, "called")
s.RLock()
voice, _ = s.VoiceConnections[gID]
s.RUnlock()
if voice == nil {
voice = &VoiceConnection{}
s.Lock()
s.VoiceConnections[gID] = voice
s.Unlock()
}
voice.Lock()
voice.GuildID = gID
voice.ChannelID = cID
voice.deaf = deaf
voice.mute = mute
voice.session = s
voice.Unlock()
// Send the request to Discord that we want to join the voice channel
data := voiceChannelJoinOp{4, voiceChannelJoinData{&gID, &cID, mute, deaf}}
s.wsMutex.Lock()
err = s.wsConn.WriteJSON(data)
s.wsMutex.Unlock()
if err != nil {
return
}
// doesn't exactly work perfect yet.. TODO
err = voice.waitUntilConnected()
if err != nil {
s.log(LogWarning, "error waiting for voice to connect, %s", err)
voice.Close()
return
}
return
}
// onVoiceStateUpdate handles Voice State Update events on the data websocket.
func (s *Session) onVoiceStateUpdate(st *VoiceStateUpdate) {
// If we don't have a connection for the channel, don't bother
if st.ChannelID == "" {
return
}
// Check if we have a voice connection to update
s.RLock()
voice, exists := s.VoiceConnections[st.GuildID]
s.RUnlock()
if !exists {
return
}
// We only care about events that are about us.
if s.State.User.ID != st.UserID {
return
}
// Store the SessionID for later use.
voice.Lock()
voice.UserID = st.UserID
voice.sessionID = st.SessionID
voice.ChannelID = st.ChannelID
voice.Unlock()
}
// onVoiceServerUpdate handles the Voice Server Update data websocket event.
//
// This is also fired if the Guild's voice region changes while connected
// to a voice channel. In that case, need to re-establish connection to
// the new region endpoint.
func (s *Session) onVoiceServerUpdate(st *VoiceServerUpdate) {
s.log(LogInformational, "called")
s.RLock()
voice, exists := s.VoiceConnections[st.GuildID]
s.RUnlock()
// If no VoiceConnection exists, just skip this
if !exists {
return
}
// If currently connected to voice ws/udp, then disconnect.
// Has no effect if not connected.
voice.Close()
// Store values for later use
voice.Lock()
voice.token = st.Token
voice.endpoint = st.Endpoint
voice.GuildID = st.GuildID
voice.Unlock()
// Open a connection to the voice server
err := voice.open()
if err != nil {
s.log(LogError, "onVoiceServerUpdate voice.open, %s", err)
}
}
type identifyProperties struct {
OS string `json:"$os"`
Browser string `json:"$browser"`
Device string `json:"$device"`
Referer string `json:"$referer"`
ReferringDomain string `json:"$referring_domain"`
}
type identifyData struct {
Token string `json:"token"`
Properties identifyProperties `json:"properties"`
LargeThreshold int `json:"large_threshold"`
Compress bool `json:"compress"`
Shard *[2]int `json:"shard,omitempty"`
}
type identifyOp struct {
Op int `json:"op"`
Data identifyData `json:"d"`
}
// identify sends the identify packet to the gateway
func (s *Session) identify() error {
properties := identifyProperties{runtime.GOOS,
"Discordgo v" + VERSION,
"",
"",
"",
}
data := identifyData{s.Token,
properties,
250,
s.Compress,
nil,
}
if s.ShardCount > 1 {
if s.ShardID >= s.ShardCount {
return ErrWSShardBounds
}
data.Shard = &[2]int{s.ShardID, s.ShardCount}
}
op := identifyOp{2, data}
s.wsMutex.Lock()
err := s.wsConn.WriteJSON(op)
s.wsMutex.Unlock()
if err != nil {
return err
}
return nil
}
func (s *Session) reconnect() {
s.log(LogInformational, "called")
var err error
if s.ShouldReconnectOnError {
wait := time.Duration(1)
for {
s.log(LogInformational, "trying to reconnect to gateway")
err = s.Open()
if err == nil {
s.log(LogInformational, "successfully reconnected to gateway")
// I'm not sure if this is actually needed.
// if the gw reconnect works properly, voice should stay alive
// However, there seems to be cases where something "weird"
// happens. So we're doing this for now just to improve
// stability in those edge cases.
s.RLock()
defer s.RUnlock()
for _, v := range s.VoiceConnections {
s.log(LogInformational, "reconnecting voice connection to guild %s", v.GuildID)
go v.reconnect()
// This is here just to prevent violently spamming the
// voice reconnects
time.Sleep(1 * time.Second)
}
return
}
// Certain race conditions can call reconnect() twice. If this happens, we
// just break out of the reconnect loop
if err == ErrWSAlreadyOpen {
s.log(LogInformational, "Websocket already exists, no need to reconnect")
return
}
s.log(LogError, "error reconnecting to gateway, %s", err)
<-time.After(wait * time.Second)
wait *= 2
if wait > 600 {
wait = 600
}
}
}
}
// Close closes a websocket and stops all listening/heartbeat goroutines.
// TODO: Add support for Voice WS/UDP connections
func (s *Session) Close() (err error) {
s.log(LogInformational, "called")
s.Lock()
s.DataReady = false
if s.listening != nil {
s.log(LogInformational, "closing listening channel")
close(s.listening)
s.listening = nil
}
// TODO: Close all active Voice Connections too
// this should force stop any reconnecting voice channels too
if s.wsConn != nil {
s.log(LogInformational, "sending close frame")
// To cleanly close a connection, a client should send a close
// frame and wait for the server to close the connection.
s.wsMutex.Lock()
err := s.wsConn.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
s.wsMutex.Unlock()
if err != nil {
s.log(LogInformational, "error closing websocket, %s", err)
}
// TODO: Wait for Discord to actually close the connection.
time.Sleep(1 * time.Second)
s.log(LogInformational, "closing gateway websocket")
err = s.wsConn.Close()
if err != nil {
s.log(LogInformational, "error closing websocket, %s", err)
}
s.wsConn = nil
}
s.Unlock()
s.log(LogInformational, "emit disconnect event")
s.handleEvent(disconnectEventType, &Disconnect{})
return
}

@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2017 Denis Parchenko
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

@ -0,0 +1,59 @@
package main
import (
"github.com/sirupsen/logrus"
prefixed "github.com/x-cray/logrus-prefixed-formatter"
)
var log = logrus.New()
func init() {
formatter := new(prefixed.TextFormatter)
log.Formatter = formatter
log.Level = logrus.DebugLevel
}
func main() {
defer func() {
err := recover()
if err != nil {
// Fatal message
log.WithFields(logrus.Fields{
"omg": true,
"number": 100,
}).Fatal("[main] The ice breaks!")
}
}()
// You could either provide a map key called `prefix` to add prefix
log.WithFields(logrus.Fields{
"prefix": "main",
"animal": "walrus",
"number": 8,
}).Debug("Started observing beach")
// Or you can simply add prefix in square brackets within message itself
log.WithFields(logrus.Fields{
"animal": "walrus",
"size": 10,
}).Debug("[main] A group of walrus emerges from the ocean")
// Warning message
log.WithFields(logrus.Fields{
"omg": true,
"number": 122,
}).Warn("[main] The group's number increased tremendously!")
// Information message
log.WithFields(logrus.Fields{
"prefix": "sensor",
"temperature": -4,
}).Info("Temperature changes")
// Panic message
log.WithFields(logrus.Fields{
"prefix": "sensor",
"animal": "orca",
"size": 9009,
}).Panic("It's over 9000!")
}

@ -0,0 +1,48 @@
package main
import (
"github.com/sirupsen/logrus"
prefixed "github.com/x-cray/logrus-prefixed-formatter"
)
var log = logrus.New()
func init() {
formatter := new(prefixed.TextFormatter)
formatter.FullTimestamp = true
// Set specific colors for prefix and timestamp
formatter.SetColorScheme(&prefixed.ColorScheme{
PrefixStyle: "blue+b",
TimestampStyle: "white+h",
})
log.Formatter = formatter
log.Level = logrus.DebugLevel
}
func main() {
log.WithFields(logrus.Fields{
"prefix": "main",
"animal": "walrus",
"number": 8,
}).Debug("Started observing beach")
// Or you can simply add prefix in square brackets within message itself
log.WithFields(logrus.Fields{
"animal": "walrus",
"size": 10,
}).Debug("[main] A group of walrus emerges from the ocean")
// Warning message
log.WithFields(logrus.Fields{
"omg": true,
"number": 122,
}).Warn("[main] The group's number increased tremendously!")
// Information message
log.WithFields(logrus.Fields{
"prefix": "sensor",
"temperature": -4,
}).Info("Temperature changes")
}

@ -0,0 +1,382 @@
package prefixed
import (
"bytes"
"fmt"
"io"
"os"
"regexp"
"sort"
"strings"
"sync"
"time"
"github.com/mgutz/ansi"
"github.com/sirupsen/logrus"
"golang.org/x/crypto/ssh/terminal"
)
const defaultTimestampFormat = time.RFC3339
var (
baseTimestamp time.Time = time.Now()
defaultColorScheme *ColorScheme = &ColorScheme{
InfoLevelStyle: "green",
WarnLevelStyle: "yellow",
ErrorLevelStyle: "red",
FatalLevelStyle: "red",
PanicLevelStyle: "red",
DebugLevelStyle: "blue",
PrefixStyle: "cyan",
TimestampStyle: "black+h",
}
noColorsColorScheme *compiledColorScheme = &compiledColorScheme{
InfoLevelColor: ansi.ColorFunc(""),
WarnLevelColor: ansi.ColorFunc(""),
ErrorLevelColor: ansi.ColorFunc(""),
FatalLevelColor: ansi.ColorFunc(""),
PanicLevelColor: ansi.ColorFunc(""),
DebugLevelColor: ansi.ColorFunc(""),
PrefixColor: ansi.ColorFunc(""),
TimestampColor: ansi.ColorFunc(""),
}
defaultCompiledColorScheme *compiledColorScheme = compileColorScheme(defaultColorScheme)
)
func miniTS() int {
return int(time.Since(baseTimestamp) / time.Second)
}
type ColorScheme struct {
InfoLevelStyle string
WarnLevelStyle string
ErrorLevelStyle string
FatalLevelStyle string
PanicLevelStyle string
DebugLevelStyle string
PrefixStyle string
TimestampStyle string
}
type compiledColorScheme struct {
InfoLevelColor func(string) string
WarnLevelColor func(string) string
ErrorLevelColor func(string) string
FatalLevelColor func(string) string
PanicLevelColor func(string) string
DebugLevelColor func(string) string
PrefixColor func(string) string
TimestampColor func(string) string
}
type TextFormatter struct {
// Set to true to bypass checking for a TTY before outputting colors.
ForceColors bool
// Force disabling colors. For a TTY colors are enabled by default.
DisableColors bool
// Force formatted layout, even for non-TTY output.
ForceFormatting bool
// Disable timestamp logging. useful when output is redirected to logging
// system that already adds timestamps.
DisableTimestamp bool
// Disable the conversion of the log levels to uppercase
DisableUppercase bool
// Enable logging the full timestamp when a TTY is attached instead of just
// the time passed since beginning of execution.
FullTimestamp bool
// Timestamp format to use for display when a full timestamp is printed.
TimestampFormat string
// The fields are sorted by default for a consistent output. For applications
// that log extremely frequently and don't use the JSON formatter this may not
// be desired.
DisableSorting bool
// Wrap empty fields in quotes if true.
QuoteEmptyFields bool
// Can be set to the override the default quoting character "
// with something else. For example: ', or `.
QuoteCharacter string
// Pad msg field with spaces on the right for display.
// The value for this parameter will be the size of padding.
// Its default value is zero, which means no padding will be applied for msg.
SpacePadding int
// Pad prefix field with spaces on the right for display.
// The value for this parameter will be the size of padding.
// Its default value is zero, which means no padding will be applied for prefix.
PrefixPadding int
// Color scheme to use.
colorScheme *compiledColorScheme
// Whether the logger's out is to a terminal.
isTerminal bool
sync.Once
}
func getCompiledColor(main string, fallback string) func(string) string {
var style string
if main != "" {
style = main
} else {
style = fallback
}
return ansi.ColorFunc(style)
}
func compileColorScheme(s *ColorScheme) *compiledColorScheme {
return &compiledColorScheme{
InfoLevelColor: getCompiledColor(s.InfoLevelStyle, defaultColorScheme.InfoLevelStyle),
WarnLevelColor: getCompiledColor(s.WarnLevelStyle, defaultColorScheme.WarnLevelStyle),
ErrorLevelColor: getCompiledColor(s.ErrorLevelStyle, defaultColorScheme.ErrorLevelStyle),
FatalLevelColor: getCompiledColor(s.FatalLevelStyle, defaultColorScheme.FatalLevelStyle),
PanicLevelColor: getCompiledColor(s.PanicLevelStyle, defaultColorScheme.PanicLevelStyle),
DebugLevelColor: getCompiledColor(s.DebugLevelStyle, defaultColorScheme.DebugLevelStyle),
PrefixColor: getCompiledColor(s.PrefixStyle, defaultColorScheme.PrefixStyle),
TimestampColor: getCompiledColor(s.TimestampStyle, defaultColorScheme.TimestampStyle),
}
}
func (f *TextFormatter) init(entry *logrus.Entry) {
if len(f.QuoteCharacter) == 0 {
f.QuoteCharacter = "\""
}
if entry.Logger != nil {
f.isTerminal = f.checkIfTerminal(entry.Logger.Out)
}
}
func (f *TextFormatter) checkIfTerminal(w io.Writer) bool {
switch v := w.(type) {
case *os.File:
return terminal.IsTerminal(int(v.Fd()))
default:
return false
}
}
func (f *TextFormatter) SetColorScheme(colorScheme *ColorScheme) {
f.colorScheme = compileColorScheme(colorScheme)
}
func (f *TextFormatter) Format(entry *logrus.Entry) ([]byte, error) {
var b *bytes.Buffer
var keys []string = make([]string, 0, len(entry.Data))
for k := range entry.Data {
keys = append(keys, k)
}
lastKeyIdx := len(keys) - 1
if !f.DisableSorting {
sort.Strings(keys)
}
if entry.Buffer != nil {
b = entry.Buffer
} else {
b = &bytes.Buffer{}
}
prefixFieldClashes(entry.Data)
f.Do(func() { f.init(entry) })
isFormatted := f.ForceFormatting || f.isTerminal
timestampFormat := f.TimestampFormat
if timestampFormat == "" {
timestampFormat = defaultTimestampFormat
}
if isFormatted {
isColored := (f.ForceColors || f.isTerminal) && !f.DisableColors
var colorScheme *compiledColorScheme
if isColored {
if f.colorScheme == nil {
colorScheme = defaultCompiledColorScheme
} else {
colorScheme = f.colorScheme
}
} else {
colorScheme = noColorsColorScheme
}
f.printColored(b, entry, keys, timestampFormat, colorScheme)
} else {
if !f.DisableTimestamp {
f.appendKeyValue(b, "time", entry.Time.Format(timestampFormat), true)
}
f.appendKeyValue(b, "level", entry.Level.String(), true)
if entry.Message != "" {
f.appendKeyValue(b, "msg", entry.Message, lastKeyIdx >= 0)
}
for i, key := range keys {
f.appendKeyValue(b, key, entry.Data[key], lastKeyIdx != i)
}
}
b.WriteByte('\n')
return b.Bytes(), nil
}
func (f *TextFormatter) printColored(b *bytes.Buffer, entry *logrus.Entry, keys []string, timestampFormat string, colorScheme *compiledColorScheme) {
var levelColor func(string) string
var levelText string
switch entry.Level {
case logrus.InfoLevel:
levelColor = colorScheme.InfoLevelColor
case logrus.WarnLevel:
levelColor = colorScheme.WarnLevelColor
case logrus.ErrorLevel:
levelColor = colorScheme.ErrorLevelColor
case logrus.FatalLevel:
levelColor = colorScheme.FatalLevelColor
case logrus.PanicLevel:
levelColor = colorScheme.PanicLevelColor
default:
levelColor = colorScheme.DebugLevelColor
}
if entry.Level != logrus.WarnLevel {
levelText = entry.Level.String()
} else {
levelText = "warn"
}
if !f.DisableUppercase {
levelText = strings.ToUpper(levelText)
}
level := levelColor(fmt.Sprintf("%5s", levelText))
prefix := ""
message := entry.Message
adjustedPrefixPadding := f.PrefixPadding //compensate for ANSI color sequences
if prefixValue, ok := entry.Data["prefix"]; ok {
rawPrefixLength := len(prefixValue.(string))
prefix = colorScheme.PrefixColor(" " + prefixValue.(string) + ":")
adjustedPrefixPadding = f.PrefixPadding + (len(prefix) - rawPrefixLength - 1)
} else {
prefixValue, trimmedMsg := extractPrefix(entry.Message)
rawPrefixLength := len(prefixValue)
if len(prefixValue) > 0 {
prefix = colorScheme.PrefixColor(" " + prefixValue + ":")
message = trimmedMsg
}
adjustedPrefixPadding = f.PrefixPadding + (len(prefix) - rawPrefixLength - 1)
}
prefixFormat := "%s"
if f.PrefixPadding != 0 {
prefixFormat = fmt.Sprintf("%%-%ds", adjustedPrefixPadding)
}
messageFormat := "%s"
if f.SpacePadding != 0 {
messageFormat = fmt.Sprintf("%%-%ds", f.SpacePadding)
}
if f.DisableTimestamp {
fmt.Fprintf(b, "%s"+prefixFormat+" "+messageFormat, level, prefix, message)
} else {
var timestamp string
if !f.FullTimestamp {
timestamp = fmt.Sprintf("[%04d]", miniTS())
} else {
timestamp = fmt.Sprintf("[%s]", entry.Time.Format(timestampFormat))
}
fmt.Fprintf(b, "%s %s"+prefixFormat+" "+messageFormat, colorScheme.TimestampColor(timestamp), level, prefix, message)
}
for _, k := range keys {
if k != "prefix" {
v := entry.Data[k]
fmt.Fprintf(b, " %s=%+v", levelColor(k), v)
}
}
}
func (f *TextFormatter) needsQuoting(text string) bool {
if f.QuoteEmptyFields && len(text) == 0 {
return true
}
for _, ch := range text {
if !((ch >= 'a' && ch <= 'z') ||
(ch >= 'A' && ch <= 'Z') ||
(ch >= '0' && ch <= '9') ||
ch == '-' || ch == '.') {
return true
}
}
return false
}
func extractPrefix(msg string) (string, string) {
prefix := ""
regex := regexp.MustCompile("^\\[(.*?)\\]")
if regex.MatchString(msg) {
match := regex.FindString(msg)
prefix, msg = match[1:len(match)-1], strings.TrimSpace(msg[len(match):])
}
return prefix, msg
}
func (f *TextFormatter) appendKeyValue(b *bytes.Buffer, key string, value interface{}, appendSpace bool) {
b.WriteString(key)
b.WriteByte('=')
f.appendValue(b, value)
if appendSpace {
b.WriteByte(' ')
}
}
func (f *TextFormatter) appendValue(b *bytes.Buffer, value interface{}) {
switch value := value.(type) {
case string:
if !f.needsQuoting(value) {
b.WriteString(value)
} else {
fmt.Fprintf(b, "%s%v%s", f.QuoteCharacter, value, f.QuoteCharacter)
}
case error:
errmsg := value.Error()
if !f.needsQuoting(errmsg) {
b.WriteString(errmsg)
} else {
fmt.Fprintf(b, "%s%v%s", f.QuoteCharacter, errmsg, f.QuoteCharacter)
}
default:
fmt.Fprint(b, value)
}
}
// This is to not silently overwrite `time`, `msg` and `level` fields when
// dumping it. If this code wasn't there doing:
//
// logrus.WithField("level", 1).Info("hello")
//
// would just silently drop the user provided level. Instead with this code
// it'll be logged as:
//
// {"level": "info", "fields.level": 1, "msg": "hello", "time": "..."}
func prefixFieldClashes(data logrus.Fields) {
if t, ok := data["time"]; ok {
data["fields.time"] = t
}
if m, ok := data["msg"]; ok {
data["fields.msg"] = m
}
if l, ok := data["level"]; ok {
data["fields.level"] = l
}
}

16
vendor/manifest vendored

@ -398,6 +398,14 @@
"branch": "master",
"notests": true
},
{
"importpath": "github.com/matterbridge/discordgo",
"repository": "https://github.com/matterbridge/discordgo",
"vcs": "git",
"revision": "ef40ff5ba64fced4133098c05527c090f1f4f611",
"branch": "work",
"notests": true
},
{
"importpath": "github.com/matterbridge/go-xmpp",
"repository": "https://github.com/matterbridge/go-xmpp",
@ -422,6 +430,14 @@
"branch": "work",
"notests": true
},
{
"importpath": "github.com/matterbridge/logrus-prefixed-formatter",
"repository": "https://github.com/matterbridge/logrus-prefixed-formatter",
"vcs": "git",
"revision": "01618749af61a7f764d7cc7f6baea6f940c188a1",
"branch": "work",
"notests": true
},
{
"importpath": "github.com/mattermost/mattermost-server/einterfaces",
"repository": "https://github.com/mattermost/mattermost-server",

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