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94 lines
2.9 KiB
Go
94 lines
2.9 KiB
Go
// Copyright (c) 2021 Tulir Asokan
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package whatsmeow
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import (
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waBinary "go.mau.fi/whatsmeow/binary"
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"go.mau.fi/whatsmeow/types"
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"go.mau.fi/whatsmeow/types/events"
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)
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// TryFetchPrivacySettings will fetch the user's privacy settings, either from the in-memory cache or from the server.
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func (cli *Client) TryFetchPrivacySettings(ignoreCache bool) (*types.PrivacySettings, error) {
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if val := cli.privacySettingsCache.Load(); val != nil && !ignoreCache {
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return val.(*types.PrivacySettings), nil
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}
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resp, err := cli.sendIQ(infoQuery{
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Namespace: "privacy",
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Type: iqGet,
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To: types.ServerJID,
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Content: []waBinary.Node{{Tag: "privacy"}},
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})
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if err != nil {
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return nil, err
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}
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privacyNode, ok := resp.GetOptionalChildByTag("privacy")
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if !ok {
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return nil, &ElementMissingError{Tag: "privacy", In: "response to privacy settings query"}
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}
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var settings types.PrivacySettings
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cli.parsePrivacySettings(&privacyNode, &settings)
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cli.privacySettingsCache.Store(&settings)
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return &settings, nil
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}
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// GetPrivacySettings will get the user's privacy settings. If an error occurs while fetching them, the error will be
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// logged, but the method will just return an empty struct.
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func (cli *Client) GetPrivacySettings() (settings types.PrivacySettings) {
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settingsPtr, err := cli.TryFetchPrivacySettings(false)
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if err != nil {
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cli.Log.Errorf("Failed to fetch privacy settings: %v", err)
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} else {
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settings = *settingsPtr
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}
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return
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}
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func (cli *Client) parsePrivacySettings(privacyNode *waBinary.Node, settings *types.PrivacySettings) *events.PrivacySettings {
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var evt events.PrivacySettings
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for _, child := range privacyNode.GetChildren() {
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if child.Tag != "category" {
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continue
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}
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ag := child.AttrGetter()
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name := ag.String("name")
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value := types.PrivacySetting(ag.String("value"))
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switch name {
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case "groupadd":
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settings.GroupAdd = value
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evt.GroupAddChanged = true
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case "last":
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settings.LastSeen = value
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evt.LastSeenChanged = true
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case "status":
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settings.Status = value
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evt.StatusChanged = true
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case "profile":
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settings.Profile = value
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evt.ProfileChanged = true
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case "readreceipts":
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settings.ReadReceipts = value
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evt.ReadReceiptsChanged = true
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}
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}
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return &evt
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}
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func (cli *Client) handlePrivacySettingsNotification(privacyNode *waBinary.Node) {
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cli.Log.Debugf("Parsing privacy settings change notification")
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settings, err := cli.TryFetchPrivacySettings(false)
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if err != nil {
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cli.Log.Errorf("Failed to fetch privacy settings when handling change: %v", err)
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}
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evt := cli.parsePrivacySettings(privacyNode, settings)
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// The data isn't be reliable if the fetch failed, so only cache if it didn't fail
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if err == nil {
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cli.privacySettingsCache.Store(settings)
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}
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cli.dispatchEvent(evt)
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}
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