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;
22 extension::dublincore::DublinCoreExtensionBuilder,
28 use serde::Deserialize;
29 use std::{collections::HashMap, str::FromStr};
30 use strum::ParseError;
32 #[derive(Deserialize)]
44 pub fn config(cfg: &mut web::ServiceConfig) {
46 .route("/feeds/{type}/{name}.xml", web::get().to(get_feed))
47 .route("/feeds/all.xml", web::get().to(get_all_feed))
48 .route("/feeds/local.xml", web::get().to(get_local_feed));
52 static ref RSS_NAMESPACE: HashMap<String, String> = {
53 let mut h = HashMap::new();
56 rss::extension::dublincore::NAMESPACE.to_string(),
62 async fn get_all_feed(
63 info: web::Query<Params>,
64 context: web::Data<LemmyContext>,
65 ) -> Result<HttpResponse, Error> {
66 let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
67 Ok(get_feed_data(&context, ListingType::All, sort_type).await?)
70 async fn get_local_feed(
71 info: web::Query<Params>,
72 context: web::Data<LemmyContext>,
73 ) -> Result<HttpResponse, Error> {
74 let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
75 Ok(get_feed_data(&context, ListingType::Local, sort_type).await?)
78 async fn get_feed_data(
79 context: &LemmyContext,
80 listing_type: ListingType,
82 ) -> Result<HttpResponse, LemmyError> {
83 let site_view = blocking(context.pool(), SiteView::read).await??;
85 let posts = blocking(context.pool(), move |conn| {
86 PostQueryBuilder::create(conn)
87 .listing_type(listing_type)
93 let items = create_post_items(posts, &context.settings().get_protocol_and_hostname())?;
95 let mut channel_builder = ChannelBuilder::default();
97 .namespaces(RSS_NAMESPACE.to_owned())
101 listing_type.to_string()
103 .link(context.settings().get_protocol_and_hostname())
106 if let Some(site_desc) = site_view.site.description {
107 channel_builder.description(&site_desc);
110 let rss = channel_builder.build().map_err(|e| anyhow!(e))?.to_string();
113 .content_type("application/rss+xml")
120 info: web::Query<Params>,
121 context: web::Data<LemmyContext>,
122 ) -> Result<HttpResponse, Error> {
123 let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
125 let req_type: String = req.match_info().get("type").unwrap_or("none").parse()?;
126 let param: String = req.match_info().get("name").unwrap_or("none").parse()?;
128 let request_type = match req_type.as_str() {
129 "u" => RequestType::User,
130 "c" => RequestType::Community,
131 "front" => RequestType::Front,
132 "inbox" => RequestType::Inbox,
133 _ => return Err(ErrorBadRequest(LemmyError::from(anyhow!("wrong_type")))),
136 let jwt_secret = context.secret().jwt_secret.to_owned();
137 let protocol_and_hostname = context.settings().get_protocol_and_hostname();
139 let builder = blocking(context.pool(), move |conn| match request_type {
140 RequestType::User => get_feed_user(conn, &sort_type, ¶m, &protocol_and_hostname),
141 RequestType::Community => get_feed_community(conn, &sort_type, ¶m, &protocol_and_hostname),
142 RequestType::Front => get_feed_front(
147 &protocol_and_hostname,
149 RequestType::Inbox => get_feed_inbox(conn, &jwt_secret, ¶m, &protocol_and_hostname),
152 .map_err(ErrorBadRequest)?;
154 let rss = builder.build().map_err(ErrorBadRequest)?.to_string();
158 .content_type("application/rss+xml")
163 fn get_sort_type(info: web::Query<Params>) -> Result<SortType, ParseError> {
164 let sort_query = info
167 .unwrap_or_else(|| SortType::Hot.to_string());
168 SortType::from_str(&sort_query)
173 sort_type: &SortType,
175 protocol_and_hostname: &str,
176 ) -> Result<ChannelBuilder, LemmyError> {
177 let site_view = SiteView::read(conn)?;
178 let person = Person::find_by_name(conn, user_name)?;
180 let posts = PostQueryBuilder::create(conn)
181 .listing_type(ListingType::All)
183 .creator_id(person.id)
186 let items = create_post_items(posts, protocol_and_hostname)?;
188 let mut channel_builder = ChannelBuilder::default();
190 .namespaces(RSS_NAMESPACE.to_owned())
191 .title(&format!("{} - {}", site_view.site.name, person.name))
192 .link(person.actor_id.to_string())
198 fn get_feed_community(
200 sort_type: &SortType,
201 community_name: &str,
202 protocol_and_hostname: &str,
203 ) -> Result<ChannelBuilder, LemmyError> {
204 let site_view = SiteView::read(conn)?;
205 let community = Community::read_from_name(conn, community_name)?;
207 let posts = PostQueryBuilder::create(conn)
208 .listing_type(ListingType::All)
210 .community_id(community.id)
213 let items = create_post_items(posts, protocol_and_hostname)?;
215 let mut channel_builder = ChannelBuilder::default();
217 .namespaces(RSS_NAMESPACE.to_owned())
218 .title(&format!("{} - {}", site_view.site.name, community.name))
219 .link(community.actor_id.to_string())
222 if let Some(community_desc) = community.description {
223 channel_builder.description(&community_desc);
232 sort_type: &SortType,
234 protocol_and_hostname: &str,
235 ) -> Result<ChannelBuilder, LemmyError> {
236 let site_view = SiteView::read(conn)?;
237 let local_user_id = LocalUserId(Claims::decode(jwt, jwt_secret)?.claims.sub);
238 let local_user = LocalUser::read(conn, local_user_id)?;
240 let posts = PostQueryBuilder::create(conn)
241 .listing_type(ListingType::Subscribed)
242 .my_person_id(local_user.person_id)
243 .show_bot_accounts(local_user.show_bot_accounts)
244 .show_read_posts(local_user.show_read_posts)
248 let items = create_post_items(posts, protocol_and_hostname)?;
250 let mut channel_builder = ChannelBuilder::default();
252 .namespaces(RSS_NAMESPACE.to_owned())
253 .title(&format!("{} - Subscribed", site_view.site.name))
254 .link(protocol_and_hostname)
257 if let Some(site_desc) = site_view.site.description {
258 channel_builder.description(&site_desc);
268 protocol_and_hostname: &str,
269 ) -> Result<ChannelBuilder, LemmyError> {
270 let site_view = SiteView::read(conn)?;
271 let local_user_id = LocalUserId(Claims::decode(jwt, jwt_secret)?.claims.sub);
272 let local_user = LocalUser::read(conn, local_user_id)?;
273 let person_id = local_user.person_id;
274 let show_bot_accounts = local_user.show_bot_accounts;
276 let sort = SortType::New;
278 let replies = CommentQueryBuilder::create(conn)
279 .recipient_id(person_id)
280 .my_person_id(person_id)
281 .show_bot_accounts(show_bot_accounts)
285 let mentions = PersonMentionQueryBuilder::create(conn)
286 .recipient_id(person_id)
287 .my_person_id(person_id)
291 let items = create_reply_and_mention_items(replies, mentions, protocol_and_hostname)?;
293 let mut channel_builder = ChannelBuilder::default();
295 .namespaces(RSS_NAMESPACE.to_owned())
296 .title(&format!("{} - Inbox", site_view.site.name))
297 .link(format!("{}/inbox", protocol_and_hostname,))
300 if let Some(site_desc) = site_view.site.description {
301 channel_builder.description(&site_desc);
307 fn create_reply_and_mention_items(
308 replies: Vec<CommentView>,
309 mentions: Vec<PersonMentionView>,
310 protocol_and_hostname: &str,
311 ) -> Result<Vec<Item>, LemmyError> {
312 let mut reply_items: Vec<Item> = replies
315 let reply_url = format!(
316 "{}/post/{}/comment/{}",
317 protocol_and_hostname, r.post.id, r.comment.id
321 &r.comment.published,
324 protocol_and_hostname,
327 .collect::<Result<Vec<Item>, LemmyError>>()?;
329 let mut mention_items: Vec<Item> = mentions
332 let mention_url = format!(
333 "{}/post/{}/comment/{}",
334 protocol_and_hostname, m.post.id, m.comment.id
338 &m.comment.published,
341 protocol_and_hostname,
344 .collect::<Result<Vec<Item>, LemmyError>>()?;
346 reply_items.append(&mut mention_items);
352 published: &NaiveDateTime,
355 protocol_and_hostname: &str,
356 ) -> Result<Item, LemmyError> {
357 let mut i = ItemBuilder::default();
358 i.title(format!("Reply from {}", creator_name));
359 let author_url = format!("{}/u/{}", protocol_and_hostname, creator_name);
361 "/u/{} <a href=\"{}\">(link)</a>",
362 creator_name, author_url
364 let dt = DateTime::<Utc>::from_utc(*published, Utc);
365 i.pub_date(dt.to_rfc2822());
366 i.comments(url.to_owned());
367 let guid = GuidBuilder::default()
371 .map_err(|e| anyhow!(e))?;
373 i.link(url.to_owned());
375 let html = markdown_to_html(&content.to_string());
377 Ok(i.build().map_err(|e| anyhow!(e))?)
380 fn create_post_items(
381 posts: Vec<PostView>,
382 protocol_and_hostname: &str,
383 ) -> Result<Vec<Item>, LemmyError> {
384 let mut items: Vec<Item> = Vec::new();
387 let mut i = ItemBuilder::default();
388 let mut dc_extension = DublinCoreExtensionBuilder::default();
390 i.title(p.post.name);
392 dc_extension.creators(vec![p.creator.actor_id.to_string()]);
394 let dt = DateTime::<Utc>::from_utc(p.post.published, Utc);
395 i.pub_date(dt.to_rfc2822());
397 let post_url = format!("{}/post/{}", protocol_and_hostname, p.post.id);
398 i.link(post_url.to_owned());
399 i.comments(post_url.to_owned());
400 let guid = GuidBuilder::default()
404 .map_err(|e| anyhow!(e))?;
407 let community_url = format!("{}/c/{}", protocol_and_hostname, p.community.name);
410 let mut description = format!("submitted by <a href=\"{}\">{}</a> to <a href=\"{}\">{}</a><br>{} points | <a href=\"{}\">{} comments</a>",
419 // If its a url post, add it to the description
420 if let Some(url) = p.post.url {
421 let link_html = format!("<br><a href=\"{url}\">{url}</a>", url = url);
422 description.push_str(&link_html);
425 if let Some(body) = p.post.body {
426 let html = markdown_to_html(&body);
427 description.push_str(&html);
430 i.description(description);
432 i.dublin_core_ext(dc_extension.build().map_err(|e| anyhow!(e))?);
433 items.push(i.build().map_err(|e| anyhow!(e))?);