Implement RSS feeds (fixes #118)

docker/dev/Dockerfile

@@ -21,7 +21,7 @@ COPY server/Cargo.toml server/Cargo.lock ./
 RUN sudo chown -R rust:rust .
 RUN mkdir -p ./src/bin \
   && echo 'fn main() { println!("Dummy") }' > ./src/bin/main.rs 
-RUN cargo build --release
+RUN cargo build --releasecargo
 RUN rm -f ./target/x86_64-unknown-linux-musl/release/deps/lemmy_server*
 COPY server/src ./src/
 COPY server/migrations ./migrations/

server/Cargo.lock

@@ -582,6 +582,61 @@ dependencies = [
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "darling"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "darling_core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "darling_macro 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ident_case 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.40 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "darling_core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.40 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "derive_builder"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "darling 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "derive_builder_core 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.40 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "derive_builder_core"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "darling 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.40 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "derive_more"
 version = "0.14.1"
@@ -905,6 +960,11 @@ dependencies = [
  "winutil 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "htmlescape"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "http"
 version = "0.1.17"
@@ -928,6 +988,11 @@ dependencies = [
  "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ident_case"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "idna"
 version = "0.1.5"
@@ -1020,12 +1085,14 @@ dependencies = [
  "dotenv 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "htmlescape 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonwebtoken 6.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lettre 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lettre_email 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rss 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.97 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1480,6 +1547,18 @@ name = "quick-error"
 version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "quick-xml"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "encoding_rs 0.8.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "quote"
 version = "0.3.15"
@@ -1719,6 +1798,16 @@ dependencies = [
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rss"
+version = "1.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "derive_builder 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quick-xml 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rust-crypto"
 version = "0.2.36"
@@ -1917,6 +2006,11 @@ dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "strsim"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "strum"
 version = "0.15.0"
@@ -2443,6 +2537,11 @@ dependencies = [
 "checksum crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ba125de2af0df55319f41944744ad91c71113bf74a4646efff39afe1f6842db1"
 "checksum crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "0f0ed1a4de2235cabda8558ff5840bffb97fcb64c97827f354a451307df5f72b"
 "checksum crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f8306fcef4a7b563b76b7dd949ca48f52bc1141aa067d2ea09565f3e2652aa5c"
+"checksum darling 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fcfbcb0c5961907597a7d1148e3af036268f2b773886b8bb3eeb1e1281d3d3d6"
+"checksum darling_core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6afc018370c3bff3eb51f89256a6bdb18b4fdcda72d577982a14954a7a0b402c"
+"checksum darling_macro 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c6d8dac1c6f1d29a41c4712b4400f878cb4fcc4c7628f298dd75038e024998d1"
+"checksum derive_builder 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "3ac53fa6a3cda160df823a9346442525dcaf1e171999a1cf23e67067e4fd64d4"
+"checksum derive_builder_core 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0288a23da9333c246bb18c143426074a6ae96747995c5819d2947b64cd942b37"
 "checksum derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6d944ac6003ed268757ef1ee686753b57efc5fcf0ebe7b64c9fc81e7e32ff839"
 "checksum derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a141330240c921ec6d074a3e188a7c7ef95668bb95e7d44fa0e5778ec2a7afe"
 "checksum diesel 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8d24935ba50c4a8dc375a0fd1f8a2ba6bdbdc4125713126a74b965d6a01a06d7"
@@ -2481,9 +2580,11 @@ dependencies = [
 "checksum hashbrown 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e1de41fb8dba9714efd92241565cdff73f78508c95697dd56787d3cba27e2353"
 "checksum heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
 "checksum hostname 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "21ceb46a83a85e824ef93669c8b390009623863b5c195d1ba747292c0c72f94e"
+"checksum htmlescape 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e9025058dae765dee5070ec375f591e2ba14638c63feff74f13805a72e523163"
 "checksum http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)" = "eed324f0f0daf6ec10c474f150505af2c143f251722bf9dbd1261bd1f2ee2c1a"
 "checksum httparse 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "cd179ae861f0c2e53da70d892f5f3029f9594be0c41dc5269cd371691b1dc2f9"
 "checksum humantime 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3ca7e5f2e110db35f93b837c81797f3714500b81d517bf20c431b16d3ca4f114"
+"checksum ident_case 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 "checksum idna 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "38f09e0f0b1fb55fdee1f17470ad800da77af5186a1a76c026b679358b7e844e"
 "checksum indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7e81a7c05f79578dbc15793d8b619db9ba32b4577003ef3af1a91c416798c58d"
 "checksum iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dbe6e417e7d0975db6512b90796e8ce223145ac4e33c377e4a42882a0e88bb08"
@@ -2542,6 +2643,7 @@ dependencies = [
 "checksum proc-macro2 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "1b06e2f335f48d24442b35a19df506a835fb3547bc3c06ef27340da9acf5cae7"
 "checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
 "checksum quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9274b940887ce9addde99c4eee6b5c44cc494b182b97e73dc8ffdcb3397fd3f0"
+"checksum quick-xml 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0a8b2062cd4735d683121dbd525f5961226936229b0ac6bbbc40b34155744a41"
 "checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
 "checksum quote 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9949cfe66888ffe1d53e6ec9d9f3b70714083854be20fd5e271b232a017401e8"
 "checksum quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
@@ -2568,6 +2670,7 @@ dependencies = [
 "checksum remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
 "checksum resolv-conf 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b263b4aa1b5de9ffc0054a2386f96992058bb6870aab516f8cdeb8a667d56dcb"
 "checksum ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)" = "426bc186e3e95cac1e4a4be125a4aca7e84c2d616ffc02244eef36e2a60a093c"
+"checksum rss 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d0706a43e890fbaf1714d495d12f69a7b34b70c6e903586d70311c2ce15ffe67"
 "checksum rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)" = "f76d05d3993fd5f4af9434e8e436db163a12a9d40e1a58a726f27a01dfd12a2a"
 "checksum rustc-demangle 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "a7f4dccf6f4891ebcc0c39f9b6eb1a83b9bf5d747cb439ec6fba4f3b977038af"
 "checksum rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
@@ -2595,6 +2698,7 @@ dependencies = [
 "checksum spin 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "44363f6f51401c34e7be73db0db371c04705d35efbe9f7d6082e03a921a32c55"
 "checksum stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
 "checksum string 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d24114bfcceb867ca7f71a0d3fe45d45619ec47a6fbfa98cb14e14250bfa5d6d"
+"checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
 "checksum strum 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e5d1c33039533f051704951680f1adfd468fd37ac46816ded0d9ee068e60f05f"
 "checksum strum_macros 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)" = "47cd23f5c7dee395a00fa20135e2ec0fffcdfa151c56182966d7a3261343432e"
 "checksum syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d3b891b9015c88c576343b9b3e41c2c11a51c219ef067b264bd9c8aa9b441dad"

server/Cargo.toml

@@ -28,3 +28,5 @@ lazy_static = "1.3.0"
 lettre = "0.9.2"
 lettre_email = "0.9.2"
 rust-crypto = "^0.2"
+rss = "1.8.0"
+htmlescape = "0.3.1"

server/src/feeds.rs

@@ -0,0 +1,64 @@
+extern crate rss;
+extern crate htmlescape;
+
+use rss::ChannelBuilder;
+use rss::ItemBuilder;
+use actix_web::HttpResponse;
+use actix_web::body::Body;
+use crate::Settings;
+use crate::db::{establish_connection, ListingType, SortType};
+use crate::db::community_view::SiteView;
+use crate::db::post_view::PostView;
+use self::rss::Item;
+
+pub fn get_feed() -> HttpResponse<Body> {
+  let conn = establish_connection();
+  let site_view = match SiteView::read(&conn) {
+    Ok(site_view) => site_view,
+    Err(_e) => return HttpResponse::InternalServerError().finish(),
+  };
+
+  let post = match PostView::list(&conn,
+    ListingType::All,
+    &SortType::New,
+    None,
+    None,
+    None,
+    None,
+    None,
+    true,
+    false,
+    false,
+    None,
+    None,) {
+    Ok(post) => post,
+    Err(_e) => return HttpResponse::InternalServerError().finish(),
+  };
+
+  let mut items: Vec<Item> = Vec::new();
+  for p in post {
+    let i = ItemBuilder::default()
+      .title(p.name)
+      .link(p.url)
+      .content(p.body)
+      .author(p.creator_id)
+      .pub_date(p.published)
+      .build()
+      .unwrap();
+    items.append(&i);
+  }
+
+  let channel = ChannelBuilder::default()
+    .title(htmlescape::encode_minimal(&site_view.name))
+    .link(format!("https://{}", Settings::get().hostname))
+    .description(htmlescape::encode_minimal(&site_view.description.unwrap()))
+    .pub_date("asd")
+    .items(items)
+    .build()
+    .unwrap();
+  channel.write_to(::std::io::sink()).unwrap();
+
+  return HttpResponse::Ok()
+    .content_type("application/rss+xml")
+    .body(channel.to_string());
+}

server/src/lib.rs

@@ -29,6 +29,7 @@ pub mod nodeinfo;
 pub mod schema;
 pub mod version;
 pub mod websocket;
+pub mod feeds;
 
 use chrono::{DateTime, NaiveDateTime, Utc};
 use dotenv::dotenv;

server/src/main.rs

@@ -7,7 +7,11 @@ use actix_files::NamedFile;
 use actix_web::*;
 use actix_web_actors::ws;
 use lemmy_server::db::establish_connection;
+<<<<<<< HEAD
 use lemmy_server::nodeinfo;
+=======
+use lemmy_server::feeds;
+>>>>>>> Implement RSS feeds (fixes #118)
 use lemmy_server::websocket::server::*;
 use std::env;
 use std::time::{Duration, Instant};
@@ -197,13 +201,14 @@ fn main() {
       .service(web::resource("/api/v1/ws").to(chat_route))
       //            .service(web::resource("/api/v1/rest").route(web::post().to(||{})))
       .service(web::resource("/").to(index))
-      // static resources
-      .service(actix_files::Files::new("/static", front_end_dir()))
       .route("/nodeinfo/2.0.json", web::get().to(nodeinfo::node_info))
       .route(
         "/.well-known/nodeinfo",
         web::get().to(nodeinfo::node_info_well_known),
       )
+      .route("/feed.xml", web::get().to(feeds::get_feed))
+      // static resources
+      .service(actix_files::Files::new("/static", front_end_dir()))
   })
   .bind("0.0.0.0:8536")
   .unwrap()