1 use actix_web::{error::ErrorBadRequest, *};
3 use chrono::{DateTime, NaiveDateTime, Utc};
4 use diesel::PgConnection;
5 use lemmy_api_common::blocking;
6 use lemmy_db_queries::{
7 source::{community::Community_, person::Person_},
12 use lemmy_db_schema::{
13 source::{community::Community, local_user::LocalUser, person::Person},
17 comment_view::{CommentQueryBuilder, CommentView},
18 post_view::{PostQueryBuilder, PostView},
21 use lemmy_db_views_actor::person_mention_view::{PersonMentionQueryBuilder, PersonMentionView};
22 use lemmy_utils::{claims::Claims, utils::markdown_to_html, LemmyError};
23 use lemmy_websocket::LemmyContext;
25 extension::dublincore::DublinCoreExtensionBuilder,
31 use serde::Deserialize;
32 use std::{collections::HashMap, str::FromStr};
33 use strum::ParseError;
35 #[derive(Deserialize)]
47 pub fn config(cfg: &mut web::ServiceConfig) {
49 .route("/feeds/{type}/{name}.xml", web::get().to(get_feed))
50 .route("/feeds/all.xml", web::get().to(get_all_feed))
51 .route("/feeds/local.xml", web::get().to(get_local_feed));
55 static ref RSS_NAMESPACE: HashMap<String, String> = {
56 let mut h = HashMap::new();
59 rss::extension::dublincore::NAMESPACE.to_string(),
65 async fn get_all_feed(
66 info: web::Query<Params>,
67 context: web::Data<LemmyContext>,
68 ) -> Result<HttpResponse, Error> {
69 let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
70 Ok(get_feed_data(&context, ListingType::All, sort_type).await?)
73 async fn get_local_feed(
74 info: web::Query<Params>,
75 context: web::Data<LemmyContext>,
76 ) -> Result<HttpResponse, Error> {
77 let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
78 Ok(get_feed_data(&context, ListingType::Local, sort_type).await?)
81 async fn get_feed_data(
82 context: &LemmyContext,
83 listing_type: ListingType,
85 ) -> Result<HttpResponse, LemmyError> {
86 let site_view = blocking(context.pool(), move |conn| SiteView::read(conn)).await??;
88 let posts = blocking(context.pool(), move |conn| {
89 PostQueryBuilder::create(conn)
90 .listing_type(listing_type)
96 let items = create_post_items(posts, &context.settings().get_protocol_and_hostname())?;
98 let mut channel_builder = ChannelBuilder::default();
100 .namespaces(RSS_NAMESPACE.to_owned())
104 listing_type.to_string()
106 .link(context.settings().get_protocol_and_hostname())
109 if let Some(site_desc) = site_view.site.description {
110 channel_builder.description(&site_desc);
113 let rss = channel_builder.build().map_err(|e| anyhow!(e))?.to_string();
116 .content_type("application/rss+xml")
123 info: web::Query<Params>,
124 context: web::Data<LemmyContext>,
125 ) -> Result<HttpResponse, Error> {
126 let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
128 let req_type: String = req.match_info().get("type").unwrap_or("none").parse()?;
129 let param: String = req.match_info().get("name").unwrap_or("none").parse()?;
131 let request_type = match req_type.as_str() {
132 "u" => RequestType::User,
133 "c" => RequestType::Community,
134 "front" => RequestType::Front,
135 "inbox" => RequestType::Inbox,
136 _ => return Err(ErrorBadRequest(LemmyError::from(anyhow!("wrong_type")))),
139 let jwt_secret = context.secret().jwt_secret.to_owned();
140 let protocol_and_hostname = context.settings().get_protocol_and_hostname();
142 let builder = blocking(context.pool(), move |conn| match request_type {
143 RequestType::User => get_feed_user(conn, &sort_type, ¶m, &protocol_and_hostname),
144 RequestType::Community => get_feed_community(conn, &sort_type, ¶m, &protocol_and_hostname),
145 RequestType::Front => get_feed_front(
150 &protocol_and_hostname,
152 RequestType::Inbox => get_feed_inbox(conn, &jwt_secret, ¶m, &protocol_and_hostname),
155 .map_err(ErrorBadRequest)?;
157 let rss = builder.build().map_err(ErrorBadRequest)?.to_string();
161 .content_type("application/rss+xml")
166 fn get_sort_type(info: web::Query<Params>) -> Result<SortType, ParseError> {
167 let sort_query = info
170 .unwrap_or_else(|| SortType::Hot.to_string());
171 SortType::from_str(&sort_query)
176 sort_type: &SortType,
178 protocol_and_hostname: &str,
179 ) -> Result<ChannelBuilder, LemmyError> {
180 let site_view = SiteView::read(conn)?;
181 let person = Person::find_by_name(conn, user_name)?;
183 let posts = PostQueryBuilder::create(conn)
184 .listing_type(ListingType::All)
186 .creator_id(person.id)
189 let items = create_post_items(posts, protocol_and_hostname)?;
191 let mut channel_builder = ChannelBuilder::default();
193 .namespaces(RSS_NAMESPACE.to_owned())
194 .title(&format!("{} - {}", site_view.site.name, person.name))
195 .link(person.actor_id.to_string())
201 fn get_feed_community(
203 sort_type: &SortType,
204 community_name: &str,
205 protocol_and_hostname: &str,
206 ) -> Result<ChannelBuilder, LemmyError> {
207 let site_view = SiteView::read(conn)?;
208 let community = Community::read_from_name(conn, community_name)?;
210 let posts = PostQueryBuilder::create(conn)
211 .listing_type(ListingType::All)
213 .community_id(community.id)
216 let items = create_post_items(posts, protocol_and_hostname)?;
218 let mut channel_builder = ChannelBuilder::default();
220 .namespaces(RSS_NAMESPACE.to_owned())
221 .title(&format!("{} - {}", site_view.site.name, community.name))
222 .link(community.actor_id.to_string())
225 if let Some(community_desc) = community.description {
226 channel_builder.description(&community_desc);
235 sort_type: &SortType,
237 protocol_and_hostname: &str,
238 ) -> Result<ChannelBuilder, LemmyError> {
239 let site_view = SiteView::read(conn)?;
240 let local_user_id = LocalUserId(Claims::decode(jwt, jwt_secret)?.claims.sub);
241 let local_user = LocalUser::read(conn, local_user_id)?;
243 let posts = PostQueryBuilder::create(conn)
244 .listing_type(ListingType::Subscribed)
245 .my_person_id(local_user.person_id)
246 .show_bot_accounts(local_user.show_bot_accounts)
247 .show_read_posts(local_user.show_read_posts)
251 let items = create_post_items(posts, protocol_and_hostname)?;
253 let mut channel_builder = ChannelBuilder::default();
255 .namespaces(RSS_NAMESPACE.to_owned())
256 .title(&format!("{} - Subscribed", site_view.site.name))
257 .link(protocol_and_hostname)
260 if let Some(site_desc) = site_view.site.description {
261 channel_builder.description(&site_desc);
271 protocol_and_hostname: &str,
272 ) -> Result<ChannelBuilder, LemmyError> {
273 let site_view = SiteView::read(conn)?;
274 let local_user_id = LocalUserId(Claims::decode(jwt, jwt_secret)?.claims.sub);
275 let local_user = LocalUser::read(conn, local_user_id)?;
276 let person_id = local_user.person_id;
277 let show_bot_accounts = local_user.show_bot_accounts;
279 let sort = SortType::New;
281 let replies = CommentQueryBuilder::create(conn)
282 .recipient_id(person_id)
283 .my_person_id(person_id)
284 .show_bot_accounts(show_bot_accounts)
288 let mentions = PersonMentionQueryBuilder::create(conn)
289 .recipient_id(person_id)
290 .my_person_id(person_id)
294 let items = create_reply_and_mention_items(replies, mentions, protocol_and_hostname)?;
296 let mut channel_builder = ChannelBuilder::default();
298 .namespaces(RSS_NAMESPACE.to_owned())
299 .title(&format!("{} - Inbox", site_view.site.name))
300 .link(format!("{}/inbox", protocol_and_hostname,))
303 if let Some(site_desc) = site_view.site.description {
304 channel_builder.description(&site_desc);
310 fn create_reply_and_mention_items(
311 replies: Vec<CommentView>,
312 mentions: Vec<PersonMentionView>,
313 protocol_and_hostname: &str,
314 ) -> Result<Vec<Item>, LemmyError> {
315 let mut reply_items: Vec<Item> = replies
318 let reply_url = format!(
319 "{}/post/{}/comment/{}",
320 protocol_and_hostname, r.post.id, r.comment.id
324 &r.comment.published,
327 protocol_and_hostname,
330 .collect::<Result<Vec<Item>, LemmyError>>()?;
332 let mut mention_items: Vec<Item> = mentions
335 let mention_url = format!(
336 "{}/post/{}/comment/{}",
337 protocol_and_hostname, m.post.id, m.comment.id
341 &m.comment.published,
344 protocol_and_hostname,
347 .collect::<Result<Vec<Item>, LemmyError>>()?;
349 reply_items.append(&mut mention_items);
355 published: &NaiveDateTime,
358 protocol_and_hostname: &str,
359 ) -> Result<Item, LemmyError> {
360 let mut i = ItemBuilder::default();
361 i.title(format!("Reply from {}", creator_name));
362 let author_url = format!("{}/u/{}", protocol_and_hostname, creator_name);
364 "/u/{} <a href=\"{}\">(link)</a>",
365 creator_name, author_url
367 let dt = DateTime::<Utc>::from_utc(*published, Utc);
368 i.pub_date(dt.to_rfc2822());
369 i.comments(url.to_owned());
370 let guid = GuidBuilder::default()
374 .map_err(|e| anyhow!(e))?;
376 i.link(url.to_owned());
378 let html = markdown_to_html(&content.to_string());
380 Ok(i.build().map_err(|e| anyhow!(e))?)
383 fn create_post_items(
384 posts: Vec<PostView>,
385 protocol_and_hostname: &str,
386 ) -> Result<Vec<Item>, LemmyError> {
387 let mut items: Vec<Item> = Vec::new();
390 let mut i = ItemBuilder::default();
391 let mut dc_extension = DublinCoreExtensionBuilder::default();
393 i.title(p.post.name);
395 dc_extension.creators(vec![p.creator.actor_id.to_string()]);
397 let dt = DateTime::<Utc>::from_utc(p.post.published, Utc);
398 i.pub_date(dt.to_rfc2822());
400 let post_url = format!("{}/post/{}", protocol_and_hostname, p.post.id);
401 i.link(post_url.to_owned());
402 i.comments(post_url.to_owned());
403 let guid = GuidBuilder::default()
407 .map_err(|e| anyhow!(e))?;
410 let community_url = format!("{}/c/{}", protocol_and_hostname, p.community.name);
413 let mut description = format!("submitted by <a href=\"{}\">{}</a> to <a href=\"{}\">{}</a><br>{} points | <a href=\"{}\">{} comments</a>",
422 // If its a url post, add it to the description
423 if let Some(url) = p.post.url {
424 let link_html = format!("<br><a href=\"{url}\">{url}</a>", url = url);
425 description.push_str(&link_html);
428 if let Some(body) = p.post.body {
429 let html = markdown_to_html(&body);
430 description.push_str(&html);
433 i.description(description);
435 i.dublin_core_ext(dc_extension.build().map_err(|e| anyhow!(e))?);
436 items.push(i.build().map_err(|e| anyhow!(e))?);