use crate::{captcha_as_wav_base64, Perform}; use actix_web::web::Data; use anyhow::Context; use bcrypt::verify; use captcha::{gen, Difficulty}; use chrono::Duration; use lemmy_api_common::{ blocking, collect_moderated_communities, community::{GetFollowedCommunities, GetFollowedCommunitiesResponse}, get_local_user_view_from_jwt, is_admin, password_length_check, person::*, }; use lemmy_db_queries::{ diesel_option_overwrite, diesel_option_overwrite_to_url, source::{ comment::Comment_, community::Community_, local_user::LocalUser_, password_reset_request::PasswordResetRequest_, person::Person_, person_mention::PersonMention_, post::Post_, private_message::PrivateMessage_, }, Crud, SortType, }; use lemmy_db_schema::{ naive_now, source::{ comment::Comment, community::*, local_user::{LocalUser, LocalUserForm}, moderator::*, password_reset_request::*, person::*, person_mention::*, post::Post, private_message::PrivateMessage, site::*, }, }; use lemmy_db_views::{ comment_report_view::CommentReportView, comment_view::CommentQueryBuilder, local_user_view::LocalUserView, post_report_view::PostReportView, }; use lemmy_db_views_actor::{ community_follower_view::CommunityFollowerView, person_mention_view::{PersonMentionQueryBuilder, PersonMentionView}, person_view::PersonViewSafe, }; use lemmy_utils::{ claims::Claims, email::send_email, location_info, settings::structs::Settings, utils::{generate_random_string, is_valid_display_name, naive_from_unix}, ApiError, ConnectionId, LemmyError, }; use lemmy_websocket::{ messages::{CaptchaItem, SendAllMessage, SendUserRoomMessage}, LemmyContext, UserOperation, }; use std::str::FromStr; #[async_trait::async_trait(?Send)] impl Perform for Login { type Response = LoginResponse; async fn perform( &self, context: &Data, _websocket_id: Option, ) -> Result { let data: &Login = &self; // Fetch that username / email let username_or_email = data.username_or_email.clone(); let local_user_view = match blocking(context.pool(), move |conn| { LocalUserView::find_by_email_or_name(conn, &username_or_email) }) .await? { Ok(uv) => uv, Err(_e) => return Err(ApiError::err("couldnt_find_that_username_or_email").into()), }; // Verify the password let valid: bool = verify( &data.password, &local_user_view.local_user.password_encrypted, ) .unwrap_or(false); if !valid { return Err(ApiError::err("password_incorrect").into()); } // Return the jwt Ok(LoginResponse { jwt: Claims::jwt(local_user_view.local_user.id.0)?, }) } } #[async_trait::async_trait(?Send)] impl Perform for GetCaptcha { type Response = GetCaptchaResponse; async fn perform( &self, context: &Data, _websocket_id: Option, ) -> Result { let captcha_settings = Settings::get().captcha(); if !captcha_settings.enabled { return Ok(GetCaptchaResponse { ok: None }); } let captcha = match captcha_settings.difficulty.as_str() { "easy" => gen(Difficulty::Easy), "medium" => gen(Difficulty::Medium), "hard" => gen(Difficulty::Hard), _ => gen(Difficulty::Medium), }; let answer = captcha.chars_as_string(); let png = captcha.as_base64().expect("failed to generate captcha"); let uuid = uuid::Uuid::new_v4().to_string(); let wav = captcha_as_wav_base64(&captcha); let captcha_item = CaptchaItem { answer, uuid: uuid.to_owned(), expires: naive_now() + Duration::minutes(10), // expires in 10 minutes }; // Stores the captcha item on the queue context.chat_server().do_send(captcha_item); Ok(GetCaptchaResponse { ok: Some(CaptchaResponse { png, wav, uuid }), }) } } #[async_trait::async_trait(?Send)] impl Perform for SaveUserSettings { type Response = LoginResponse; async fn perform( &self, context: &Data, _websocket_id: Option, ) -> Result { let data: &SaveUserSettings = &self; let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?; let avatar = diesel_option_overwrite_to_url(&data.avatar)?; let banner = diesel_option_overwrite_to_url(&data.banner)?; let email = diesel_option_overwrite(&data.email); let bio = diesel_option_overwrite(&data.bio); let display_name = diesel_option_overwrite(&data.display_name); let matrix_user_id = diesel_option_overwrite(&data.matrix_user_id); if let Some(Some(bio)) = &bio { if bio.chars().count() > 300 { return Err(ApiError::err("bio_length_overflow").into()); } } if let Some(Some(display_name)) = &display_name { if !is_valid_display_name(display_name.trim()) { return Err(ApiError::err("invalid_username").into()); } } let local_user_id = local_user_view.local_user.id; let person_id = local_user_view.person.id; let default_listing_type = data.default_listing_type; let default_sort_type = data.default_sort_type; let password_encrypted = local_user_view.local_user.password_encrypted; let person_form = PersonForm { name: local_user_view.person.name, avatar, banner, inbox_url: None, display_name, published: None, updated: Some(naive_now()), banned: None, deleted: None, actor_id: None, bio, local: None, admin: None, private_key: None, public_key: None, last_refreshed_at: None, shared_inbox_url: None, matrix_user_id, }; let person_res = blocking(context.pool(), move |conn| { Person::update(conn, person_id, &person_form) }) .await?; let _updated_person: Person = match person_res { Ok(p) => p, Err(_) => { return Err(ApiError::err("user_already_exists").into()); } }; let local_user_form = LocalUserForm { person_id, email, password_encrypted, show_nsfw: data.show_nsfw, show_scores: data.show_scores, theme: data.theme.to_owned(), default_sort_type, default_listing_type, lang: data.lang.to_owned(), show_avatars: data.show_avatars, send_notifications_to_email: data.send_notifications_to_email, }; let local_user_res = blocking(context.pool(), move |conn| { LocalUser::update(conn, local_user_id, &local_user_form) }) .await?; let updated_local_user = match local_user_res { Ok(u) => u, Err(e) => { let err_type = if e.to_string() == "duplicate key value violates unique constraint \"local_user_email_key\"" { "email_already_exists" } else { "user_already_exists" }; return Err(ApiError::err(err_type).into()); } }; // Return the jwt Ok(LoginResponse { jwt: Claims::jwt(updated_local_user.id.0)?, }) } } #[async_trait::async_trait(?Send)] impl Perform for ChangePassword { type Response = LoginResponse; async fn perform( &self, context: &Data, _websocket_id: Option, ) -> Result { let data: &ChangePassword = &self; let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?; password_length_check(&data.new_password)?; // Make sure passwords match if data.new_password != data.new_password_verify { return Err(ApiError::err("passwords_dont_match").into()); } // Check the old password let valid: bool = verify( &data.old_password, &local_user_view.local_user.password_encrypted, ) .unwrap_or(false); if !valid { return Err(ApiError::err("password_incorrect").into()); } let local_user_id = local_user_view.local_user.id; let new_password = data.new_password.to_owned(); let updated_local_user = blocking(context.pool(), move |conn| { LocalUser::update_password(conn, local_user_id, &new_password) }) .await??; // Return the jwt Ok(LoginResponse { jwt: Claims::jwt(updated_local_user.id.0)?, }) } } #[async_trait::async_trait(?Send)] impl Perform for AddAdmin { type Response = AddAdminResponse; async fn perform( &self, context: &Data, websocket_id: Option, ) -> Result { let data: &AddAdmin = &self; let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?; // Make sure user is an admin is_admin(&local_user_view)?; let added = data.added; let added_person_id = data.person_id; let added_admin = match blocking(context.pool(), move |conn| { Person::add_admin(conn, added_person_id, added) }) .await? { Ok(a) => a, Err(_) => { return Err(ApiError::err("couldnt_update_user").into()); } }; // Mod tables let form = ModAddForm { mod_person_id: local_user_view.person.id, other_person_id: added_admin.id, removed: Some(!data.added), }; blocking(context.pool(), move |conn| ModAdd::create(conn, &form)).await??; let site_creator_id = blocking(context.pool(), move |conn| { Site::read(conn, 1).map(|s| s.creator_id) }) .await??; let mut admins = blocking(context.pool(), move |conn| PersonViewSafe::admins(conn)).await??; let creator_index = admins .iter() .position(|r| r.person.id == site_creator_id) .context(location_info!())?; let creator_person = admins.remove(creator_index); admins.insert(0, creator_person); let res = AddAdminResponse { admins }; context.chat_server().do_send(SendAllMessage { op: UserOperation::AddAdmin, response: res.clone(), websocket_id, }); Ok(res) } } #[async_trait::async_trait(?Send)] impl Perform for BanPerson { type Response = BanPersonResponse; async fn perform( &self, context: &Data, websocket_id: Option, ) -> Result { let data: &BanPerson = &self; let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?; // Make sure user is an admin is_admin(&local_user_view)?; let ban = data.ban; let banned_person_id = data.person_id; let ban_person = move |conn: &'_ _| Person::ban_person(conn, banned_person_id, ban); if blocking(context.pool(), ban_person).await?.is_err() { return Err(ApiError::err("couldnt_update_user").into()); } // Remove their data if that's desired if data.remove_data { // Posts blocking(context.pool(), move |conn: &'_ _| { Post::update_removed_for_creator(conn, banned_person_id, None, true) }) .await??; // Communities blocking(context.pool(), move |conn: &'_ _| { Community::update_removed_for_creator(conn, banned_person_id, true) }) .await??; // Comments blocking(context.pool(), move |conn: &'_ _| { Comment::update_removed_for_creator(conn, banned_person_id, true) }) .await??; } // Mod tables let expires = data.expires.map(naive_from_unix); let form = ModBanForm { mod_person_id: local_user_view.person.id, other_person_id: data.person_id, reason: data.reason.to_owned(), banned: Some(data.ban), expires, }; blocking(context.pool(), move |conn| ModBan::create(conn, &form)).await??; let person_id = data.person_id; let person_view = blocking(context.pool(), move |conn| { PersonViewSafe::read(conn, person_id) }) .await??; let res = BanPersonResponse { person_view, banned: data.ban, }; context.chat_server().do_send(SendAllMessage { op: UserOperation::BanPerson, response: res.clone(), websocket_id, }); Ok(res) } } #[async_trait::async_trait(?Send)] impl Perform for GetReplies { type Response = GetRepliesResponse; async fn perform( &self, context: &Data, _websocket_id: Option, ) -> Result { let data: &GetReplies = &self; let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?; let sort = SortType::from_str(&data.sort)?; let page = data.page; let limit = data.limit; let unread_only = data.unread_only; let person_id = local_user_view.person.id; let replies = blocking(context.pool(), move |conn| { CommentQueryBuilder::create(conn) .sort(&sort) .unread_only(unread_only) .recipient_id(person_id) .my_person_id(person_id) .page(page) .limit(limit) .list() }) .await??; Ok(GetRepliesResponse { replies }) } } #[async_trait::async_trait(?Send)] impl Perform for GetPersonMentions { type Response = GetPersonMentionsResponse; async fn perform( &self, context: &Data, _websocket_id: Option, ) -> Result { let data: &GetPersonMentions = &self; let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?; let sort = SortType::from_str(&data.sort)?; let page = data.page; let limit = data.limit; let unread_only = data.unread_only; let person_id = local_user_view.person.id; let mentions = blocking(context.pool(), move |conn| { PersonMentionQueryBuilder::create(conn) .recipient_id(person_id) .my_person_id(person_id) .sort(&sort) .unread_only(unread_only) .page(page) .limit(limit) .list() }) .await??; Ok(GetPersonMentionsResponse { mentions }) } } #[async_trait::async_trait(?Send)] impl Perform for MarkPersonMentionAsRead { type Response = PersonMentionResponse; async fn perform( &self, context: &Data, _websocket_id: Option, ) -> Result { let data: &MarkPersonMentionAsRead = &self; let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?; let person_mention_id = data.person_mention_id; let read_person_mention = blocking(context.pool(), move |conn| { PersonMention::read(conn, person_mention_id) }) .await??; if local_user_view.person.id != read_person_mention.recipient_id { return Err(ApiError::err("couldnt_update_comment").into()); } let person_mention_id = read_person_mention.id; let read = data.read; let update_mention = move |conn: &'_ _| PersonMention::update_read(conn, person_mention_id, read); if blocking(context.pool(), update_mention).await?.is_err() { return Err(ApiError::err("couldnt_update_comment").into()); }; let person_mention_id = read_person_mention.id; let person_id = local_user_view.person.id; let person_mention_view = blocking(context.pool(), move |conn| { PersonMentionView::read(conn, person_mention_id, Some(person_id)) }) .await??; Ok(PersonMentionResponse { person_mention_view, }) } } #[async_trait::async_trait(?Send)] impl Perform for MarkAllAsRead { type Response = GetRepliesResponse; async fn perform( &self, context: &Data, _websocket_id: Option, ) -> Result { let data: &MarkAllAsRead = &self; let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?; let person_id = local_user_view.person.id; let replies = blocking(context.pool(), move |conn| { CommentQueryBuilder::create(conn) .my_person_id(person_id) .recipient_id(person_id) .unread_only(true) .page(1) .limit(999) .list() }) .await??; // TODO: this should probably be a bulk operation // Not easy to do as a bulk operation, // because recipient_id isn't in the comment table for comment_view in &replies { let reply_id = comment_view.comment.id; let mark_as_read = move |conn: &'_ _| Comment::update_read(conn, reply_id, true); if blocking(context.pool(), mark_as_read).await?.is_err() { return Err(ApiError::err("couldnt_update_comment").into()); } } // Mark all user mentions as read let update_person_mentions = move |conn: &'_ _| PersonMention::mark_all_as_read(conn, person_id); if blocking(context.pool(), update_person_mentions) .await? .is_err() { return Err(ApiError::err("couldnt_update_comment").into()); } // Mark all private_messages as read let update_pm = move |conn: &'_ _| PrivateMessage::mark_all_as_read(conn, person_id); if blocking(context.pool(), update_pm).await?.is_err() { return Err(ApiError::err("couldnt_update_private_message").into()); } Ok(GetRepliesResponse { replies: vec![] }) } } #[async_trait::async_trait(?Send)] impl Perform for PasswordReset { type Response = PasswordResetResponse; async fn perform( &self, context: &Data, _websocket_id: Option, ) -> Result { let data: &PasswordReset = &self; // Fetch that email let email = data.email.clone(); let local_user_view = match blocking(context.pool(), move |conn| { LocalUserView::find_by_email(conn, &email) }) .await? { Ok(lu) => lu, Err(_e) => return Err(ApiError::err("couldnt_find_that_username_or_email").into()), }; // Generate a random token let token = generate_random_string(); // Insert the row let token2 = token.clone(); let local_user_id = local_user_view.local_user.id; blocking(context.pool(), move |conn| { PasswordResetRequest::create_token(conn, local_user_id, &token2) }) .await??; // Email the pure token to the user. // TODO no i18n support here. let email = &local_user_view.local_user.email.expect("email"); let subject = &format!("Password reset for {}", local_user_view.person.name); let hostname = &Settings::get().get_protocol_and_hostname(); let html = &format!("

Password Reset Request for {}


Click here to reset your password", local_user_view.person.name, hostname, &token); match send_email(subject, email, &local_user_view.person.name, html) { Ok(_o) => _o, Err(_e) => return Err(ApiError::err(&_e).into()), }; Ok(PasswordResetResponse {}) } } #[async_trait::async_trait(?Send)] impl Perform for PasswordChange { type Response = LoginResponse; async fn perform( &self, context: &Data, _websocket_id: Option, ) -> Result { let data: &PasswordChange = &self; // Fetch the user_id from the token let token = data.token.clone(); let local_user_id = blocking(context.pool(), move |conn| { PasswordResetRequest::read_from_token(conn, &token).map(|p| p.local_user_id) }) .await??; password_length_check(&data.password)?; // Make sure passwords match if data.password != data.password_verify { return Err(ApiError::err("passwords_dont_match").into()); } // Update the user with the new password let password = data.password.clone(); let updated_local_user = match blocking(context.pool(), move |conn| { LocalUser::update_password(conn, local_user_id, &password) }) .await? { Ok(u) => u, Err(_e) => return Err(ApiError::err("couldnt_update_user").into()), }; // Return the jwt Ok(LoginResponse { jwt: Claims::jwt(updated_local_user.id.0)?, }) } } #[async_trait::async_trait(?Send)] impl Perform for GetReportCount { type Response = GetReportCountResponse; async fn perform( &self, context: &Data, websocket_id: Option, ) -> Result { let data: &GetReportCount = &self; let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?; let person_id = local_user_view.person.id; let community_id = data.community; let community_ids = collect_moderated_communities(person_id, community_id, context.pool()).await?; let res = { if community_ids.is_empty() { GetReportCountResponse { community: None, comment_reports: 0, post_reports: 0, } } else { let ids = community_ids.clone(); let comment_reports = blocking(context.pool(), move |conn| { CommentReportView::get_report_count(conn, &ids) }) .await??; let ids = community_ids.clone(); let post_reports = blocking(context.pool(), move |conn| { PostReportView::get_report_count(conn, &ids) }) .await??; GetReportCountResponse { community: data.community, comment_reports, post_reports, } } }; context.chat_server().do_send(SendUserRoomMessage { op: UserOperation::GetReportCount, response: res.clone(), local_recipient_id: local_user_view.local_user.id, websocket_id, }); Ok(res) } } #[async_trait::async_trait(?Send)] impl Perform for GetFollowedCommunities { type Response = GetFollowedCommunitiesResponse; async fn perform( &self, context: &Data, _websocket_id: Option, ) -> Result { let data: &GetFollowedCommunities = &self; let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?; let person_id = local_user_view.person.id; let communities = match blocking(context.pool(), move |conn| { CommunityFollowerView::for_person(conn, person_id) }) .await? { Ok(communities) => communities, _ => return Err(ApiError::err("system_err_login").into()), }; // Return the jwt Ok(GetFollowedCommunitiesResponse { communities }) } }