1 use actix_web::{error::ErrorBadRequest, *};
3 use chrono::{DateTime, NaiveDateTime, Utc};
4 use diesel::PgConnection;
5 use lemmy_api_common::blocking;
8 source::{community::Community, local_user::LocalUser, person::Person},
14 comment_view::{CommentQueryBuilder, CommentView},
15 post_view::{PostQueryBuilder, PostView},
18 use lemmy_db_views_actor::person_mention_view::{PersonMentionQueryBuilder, PersonMentionView};
19 use lemmy_utils::{claims::Claims, utils::markdown_to_html, LemmyError};
20 use lemmy_websocket::LemmyContext;
21 use once_cell::sync::Lazy;
23 extension::dublincore::DublinCoreExtensionBuilder,
29 use serde::Deserialize;
30 use std::{collections::HashMap, str::FromStr};
31 use strum::ParseError;
33 #[derive(Deserialize)]
45 pub fn config(cfg: &mut web::ServiceConfig) {
47 .route("/feeds/{type}/{name}.xml", web::get().to(get_feed))
48 .route("/feeds/all.xml", web::get().to(get_all_feed))
49 .route("/feeds/local.xml", web::get().to(get_local_feed));
52 static RSS_NAMESPACE: Lazy<HashMap<String, String>> = Lazy::new(|| {
53 let mut h = HashMap::new();
56 rss::extension::dublincore::NAMESPACE.to_string(),
61 async fn get_all_feed(
62 info: web::Query<Params>,
63 context: web::Data<LemmyContext>,
64 ) -> Result<HttpResponse, Error> {
65 let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
66 Ok(get_feed_data(&context, ListingType::All, sort_type).await?)
69 async fn get_local_feed(
70 info: web::Query<Params>,
71 context: web::Data<LemmyContext>,
72 ) -> Result<HttpResponse, Error> {
73 let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
74 Ok(get_feed_data(&context, ListingType::Local, sort_type).await?)
77 async fn get_feed_data(
78 context: &LemmyContext,
79 listing_type: ListingType,
81 ) -> Result<HttpResponse, LemmyError> {
82 let site_view = blocking(context.pool(), SiteView::read).await??;
84 let posts = blocking(context.pool(), move |conn| {
85 PostQueryBuilder::create(conn)
86 .listing_type(listing_type)
92 let items = create_post_items(posts, &context.settings().get_protocol_and_hostname())?;
94 let mut channel_builder = ChannelBuilder::default();
96 .namespaces(RSS_NAMESPACE.to_owned())
100 listing_type.to_string()
102 .link(context.settings().get_protocol_and_hostname())
105 if let Some(site_desc) = site_view.site.description {
106 channel_builder.description(&site_desc);
109 let rss = channel_builder.build().map_err(|e| anyhow!(e))?.to_string();
112 .content_type("application/rss+xml")
119 info: web::Query<Params>,
120 context: web::Data<LemmyContext>,
121 ) -> Result<HttpResponse, Error> {
122 let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
124 let req_type: String = req.match_info().get("type").unwrap_or("none").parse()?;
125 let param: String = req.match_info().get("name").unwrap_or("none").parse()?;
127 let request_type = match req_type.as_str() {
128 "u" => RequestType::User,
129 "c" => RequestType::Community,
130 "front" => RequestType::Front,
131 "inbox" => RequestType::Inbox,
132 _ => return Err(ErrorBadRequest(LemmyError::from(anyhow!("wrong_type")))),
135 let jwt_secret = context.secret().jwt_secret.to_owned();
136 let protocol_and_hostname = context.settings().get_protocol_and_hostname();
138 let builder = blocking(context.pool(), move |conn| match request_type {
139 RequestType::User => get_feed_user(conn, &sort_type, ¶m, &protocol_and_hostname),
140 RequestType::Community => get_feed_community(conn, &sort_type, ¶m, &protocol_and_hostname),
141 RequestType::Front => get_feed_front(
146 &protocol_and_hostname,
148 RequestType::Inbox => get_feed_inbox(conn, &jwt_secret, ¶m, &protocol_and_hostname),
151 .map_err(ErrorBadRequest)?;
153 let rss = builder.build().map_err(ErrorBadRequest)?.to_string();
157 .content_type("application/rss+xml")
162 fn get_sort_type(info: web::Query<Params>) -> Result<SortType, ParseError> {
163 let sort_query = info
166 .unwrap_or_else(|| SortType::Hot.to_string());
167 SortType::from_str(&sort_query)
172 sort_type: &SortType,
174 protocol_and_hostname: &str,
175 ) -> Result<ChannelBuilder, LemmyError> {
176 let site_view = SiteView::read(conn)?;
177 let person = Person::find_by_name(conn, user_name)?;
179 let posts = PostQueryBuilder::create(conn)
180 .listing_type(ListingType::All)
182 .creator_id(person.id)
185 let items = create_post_items(posts, protocol_and_hostname)?;
187 let mut channel_builder = ChannelBuilder::default();
189 .namespaces(RSS_NAMESPACE.to_owned())
190 .title(&format!("{} - {}", site_view.site.name, person.name))
191 .link(person.actor_id.to_string())
197 fn get_feed_community(
199 sort_type: &SortType,
200 community_name: &str,
201 protocol_and_hostname: &str,
202 ) -> Result<ChannelBuilder, LemmyError> {
203 let site_view = SiteView::read(conn)?;
204 let community = Community::read_from_name(conn, community_name)?;
206 let posts = PostQueryBuilder::create(conn)
207 .listing_type(ListingType::All)
209 .community_id(community.id)
212 let items = create_post_items(posts, protocol_and_hostname)?;
214 let mut channel_builder = ChannelBuilder::default();
216 .namespaces(RSS_NAMESPACE.to_owned())
217 .title(&format!("{} - {}", site_view.site.name, community.name))
218 .link(community.actor_id.to_string())
221 if let Some(community_desc) = community.description {
222 channel_builder.description(&community_desc);
231 sort_type: &SortType,
233 protocol_and_hostname: &str,
234 ) -> Result<ChannelBuilder, LemmyError> {
235 let site_view = SiteView::read(conn)?;
236 let local_user_id = LocalUserId(Claims::decode(jwt, jwt_secret)?.claims.sub);
237 let local_user = LocalUser::read(conn, local_user_id)?;
239 let posts = PostQueryBuilder::create(conn)
240 .listing_type(ListingType::Subscribed)
241 .my_person_id(local_user.person_id)
242 .show_bot_accounts(local_user.show_bot_accounts)
243 .show_read_posts(local_user.show_read_posts)
247 let items = create_post_items(posts, protocol_and_hostname)?;
249 let mut channel_builder = ChannelBuilder::default();
251 .namespaces(RSS_NAMESPACE.to_owned())
252 .title(&format!("{} - Subscribed", site_view.site.name))
253 .link(protocol_and_hostname)
256 if let Some(site_desc) = site_view.site.description {
257 channel_builder.description(&site_desc);
267 protocol_and_hostname: &str,
268 ) -> Result<ChannelBuilder, LemmyError> {
269 let site_view = SiteView::read(conn)?;
270 let local_user_id = LocalUserId(Claims::decode(jwt, jwt_secret)?.claims.sub);
271 let local_user = LocalUser::read(conn, local_user_id)?;
272 let person_id = local_user.person_id;
273 let show_bot_accounts = local_user.show_bot_accounts;
275 let sort = SortType::New;
277 let replies = CommentQueryBuilder::create(conn)
278 .recipient_id(person_id)
279 .my_person_id(person_id)
280 .show_bot_accounts(show_bot_accounts)
284 let mentions = PersonMentionQueryBuilder::create(conn)
285 .recipient_id(person_id)
286 .my_person_id(person_id)
290 let items = create_reply_and_mention_items(replies, mentions, protocol_and_hostname)?;
292 let mut channel_builder = ChannelBuilder::default();
294 .namespaces(RSS_NAMESPACE.to_owned())
295 .title(&format!("{} - Inbox", site_view.site.name))
296 .link(format!("{}/inbox", protocol_and_hostname,))
299 if let Some(site_desc) = site_view.site.description {
300 channel_builder.description(&site_desc);
306 fn create_reply_and_mention_items(
307 replies: Vec<CommentView>,
308 mentions: Vec<PersonMentionView>,
309 protocol_and_hostname: &str,
310 ) -> Result<Vec<Item>, LemmyError> {
311 let mut reply_items: Vec<Item> = replies
314 let reply_url = format!(
315 "{}/post/{}/comment/{}",
316 protocol_and_hostname, r.post.id, r.comment.id
320 &r.comment.published,
323 protocol_and_hostname,
326 .collect::<Result<Vec<Item>, LemmyError>>()?;
328 let mut mention_items: Vec<Item> = mentions
331 let mention_url = format!(
332 "{}/post/{}/comment/{}",
333 protocol_and_hostname, m.post.id, m.comment.id
337 &m.comment.published,
340 protocol_and_hostname,
343 .collect::<Result<Vec<Item>, LemmyError>>()?;
345 reply_items.append(&mut mention_items);
351 published: &NaiveDateTime,
354 protocol_and_hostname: &str,
355 ) -> Result<Item, LemmyError> {
356 let mut i = ItemBuilder::default();
357 i.title(format!("Reply from {}", creator_name));
358 let author_url = format!("{}/u/{}", protocol_and_hostname, creator_name);
360 "/u/{} <a href=\"{}\">(link)</a>",
361 creator_name, author_url
363 let dt = DateTime::<Utc>::from_utc(*published, Utc);
364 i.pub_date(dt.to_rfc2822());
365 i.comments(url.to_owned());
366 let guid = GuidBuilder::default()
370 .map_err(|e| anyhow!(e))?;
372 i.link(url.to_owned());
374 let html = markdown_to_html(&content.to_string());
376 Ok(i.build().map_err(|e| anyhow!(e))?)
379 fn create_post_items(
380 posts: Vec<PostView>,
381 protocol_and_hostname: &str,
382 ) -> Result<Vec<Item>, LemmyError> {
383 let mut items: Vec<Item> = Vec::new();
386 let mut i = ItemBuilder::default();
387 let mut dc_extension = DublinCoreExtensionBuilder::default();
389 i.title(p.post.name);
391 dc_extension.creators(vec![p.creator.actor_id.to_string()]);
393 let dt = DateTime::<Utc>::from_utc(p.post.published, Utc);
394 i.pub_date(dt.to_rfc2822());
396 let post_url = format!("{}/post/{}", protocol_and_hostname, p.post.id);
397 i.link(post_url.to_owned());
398 i.comments(post_url.to_owned());
399 let guid = GuidBuilder::default()
403 .map_err(|e| anyhow!(e))?;
406 let community_url = format!("{}/c/{}", protocol_and_hostname, p.community.name);
409 let mut description = format!("submitted by <a href=\"{}\">{}</a> to <a href=\"{}\">{}</a><br>{} points | <a href=\"{}\">{} comments</a>",
418 // If its a url post, add it to the description
419 if let Some(url) = p.post.url {
420 let link_html = format!("<br><a href=\"{url}\">{url}</a>", url = url);
421 description.push_str(&link_html);
424 if let Some(body) = p.post.body {
425 let html = markdown_to_html(&body);
426 description.push_str(&html);
429 i.description(description);
431 i.dublin_core_ext(dc_extension.build().map_err(|e| anyhow!(e))?);
432 items.push(i.build().map_err(|e| anyhow!(e))?);