This is 0.5.0

.gitignore

@@ -1,2 +1,3 @@
 /target
 mastodon-data.toml
+http-cacache

Cargo.toml

@@ -1,13 +1,12 @@
 [package]
 name = "corobel"
-version = "0.4.0"
+version = "0.5.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 clap = { version = "4.0.18", features = [ "derive" ] }
-eggbug = { version = "0.1.2", features = [ "tokio" ] }
 reqwest = "0.11.12"
 rocket = { version = "0.5.0-rc.2", features = [ "json" ] }
 serde = { version = "1.0.147", features = [ "derive" ] }
@@ -18,3 +17,8 @@ chrono = { version = "0.4.22", features = [ "serde" ] }
 rss = { path = "./rss/", version = "2.0.1-atom-link-fix", features = [ "builders", "atom", "chrono" ] }
 pulldown-cmark = "0.9.2"
 atom_syndication = "0.11.0"
+http-cache-reqwest = "0.5.0"
+reqwest-middleware = "0.1.6"
+cached = "0.40.0"
+mime = "0.3.16"
+mime_guess = "2.0.4"

README.md

@@ -16,11 +16,15 @@ ports to use for development and deployment.
     - [ ] Handle redirects
 - [x] RSS feeds for projects
 - [x] Index page explaining what's going on
+- [x] Better support for transparent shares
+    - [x] Add feed without shares
 - [ ] More robust parsing (defaults for all!)
 - [ ] RSS feeds for tags
 - [x] Atom Extension pagination support
-- [x] Disable pagination and just go for it lmao
+- [x] Disable pagination
+    - [x] HTTP Cacheing
+    - [x] Data cacheing
+- [x] Nicer theme
 - [ ] Read More support
 - [ ] Dublin Core support
-- [ ] Media Envelope support
-
+- [x] Media Envelope support

src/cohost_account.rs

@@ -3,7 +3,7 @@ use serde::Deserialize;
 /// The API URL from whence Cohost serves JSON project definitions
 pub const COHOST_ACCOUNT_API_URL: &str = "https://cohost.org/api/v1/project/";
 
-#[derive(Debug, Deserialize, PartialEq, Eq)]
+#[derive(Debug, Clone, Deserialize, PartialEq, Eq)]
 pub struct CohostAccount {
     #[serde(rename = "projectId")]
     pub project_id: u64,

src/cohost_posts.rs

@@ -11,7 +11,7 @@ pub fn cohost_posts_api_url(project: impl AsRef<str>, page: u64) -> String {
 
 // Cohost doesn't give us Next links ("rel: next") for further pages, so we'll have to ALWAYS populate the rel=next field
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Clone, Deserialize)]
 pub struct CohostPostsPage {
     #[serde(rename = "nItems")]
     pub number_items: usize,
@@ -22,7 +22,7 @@ pub struct CohostPostsPage {
     pub links: Vec<CohostPostLink>,
 }
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Clone, Deserialize)]
 pub struct CohostPost {
     #[serde(rename = "postId")]
     pub id: u64,
@@ -44,13 +44,17 @@ pub struct CohostPost {
         default
     )]
     pub url: String,
+    #[serde(deserialize_with = "deserialize_null_default", default)]
+    pub blocks: Vec<CohostPostBlock>,
+    #[serde(rename = "transparentShareOfPostId")]
+    pub transparent_share_of_post_id: Option<u64>,
     #[serde(rename = "postingProject")]
     pub poster: CohostPostingProject,
     #[serde(rename = "shareTree")]
     pub share_tree: Vec<CohostPost>,
 }
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Clone, Deserialize)]
 pub struct CohostPostingProject {
     #[serde(rename = "projectId")]
     pub id: u64,
@@ -70,7 +74,7 @@ pub struct CohostPostingProject {
     pub pronouns: String,
 }
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Clone, Deserialize)]
 pub struct CohostPostLink {
     #[serde(deserialize_with = "deserialize_null_default", default)]
     pub href: String,
@@ -84,6 +88,21 @@ pub struct CohostPostLink {
     pub t_type: String,
 }
 
+#[derive(Debug, Clone, Deserialize)]
+pub struct CohostPostBlock {
+    pub attachment: Option<CohostPostAttachment>,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct CohostPostAttachment {
+    #[serde(
+        rename = "fileURL",
+        deserialize_with = "deserialize_null_default",
+        default
+    )]
+    pub file_url: String,
+}
+
 fn deserialize_null_default<'de, D, T>(deserializer: D) -> Result<T, D::Error>
 where
     T: Default + Deserialize<'de>,

src/main.rs

@@ -3,7 +3,10 @@ use std::collections::HashMap;
 use std::error::Error;
 #[macro_use]
 extern crate rocket;
-use reqwest::{Client, StatusCode};
+use cached::proc_macro::cached;
+use http_cache_reqwest::{CACacheManager, Cache, CacheMode, HttpCache};
+use reqwest::StatusCode;
+use reqwest_middleware::{ClientBuilder, ClientWithMiddleware};
 use rocket::response::content::RawHtml;
 use rocket::serde::json::Json;
 
@@ -40,6 +43,20 @@ fn user_agent() -> String {
 }
 
 static ARGS: once_cell::sync::Lazy<Args> = once_cell::sync::Lazy::new(|| Args::parse());
+static CLIENT: once_cell::sync::Lazy<ClientWithMiddleware> = once_cell::sync::Lazy::new(|| {
+    ClientBuilder::new(
+        reqwest::Client::builder()
+            .user_agent(user_agent())
+            .build()
+            .unwrap(),
+    )
+    .with(Cache(HttpCache {
+        mode: CacheMode::Default,
+        manager: CACacheManager::default(),
+        options: None,
+    }))
+    .build()
+});
 
 #[get("/")]
 fn index() -> RawHtml<&'static str> {
@@ -52,13 +69,13 @@ struct MdResponse {
     inner: String,
 }
 
-#[derive(Responder)]
+#[derive(Debug, Clone, Responder)]
 #[response(content_type = "application/rss+xml")]
 struct RssResponse {
     inner: String,
 }
 
-#[derive(Responder)]
+#[derive(Debug, Responder)]
 #[response(content_type = "text/plain")]
 enum ErrorResponse {
     #[response(status = 404)]
@@ -67,14 +84,11 @@ enum ErrorResponse {
     InternalError(String),
 }
 
-async fn get_post_from_page(
-    client: &mut Client,
-    project_id: &str,
-    post_id: u64,
-) -> Result<CohostPost, ErrorResponse> {
+#[cached(time = 60, result)]
+async fn get_post_from_page(project_id: String, post_id: u64) -> Result<CohostPost, ErrorResponse> {
     let mut page = 0;
     loop {
-        let new_page = get_page_data(client, project_id, page).await?;
+        let new_page = get_page_data(project_id.clone(), page).await?;
         if new_page.items.is_empty() {
             // Once there are no posts, we're done.
             return Err(ErrorResponse::NotFound(
@@ -89,14 +103,12 @@ async fn get_post_from_page(
     }
 }
 
-async fn get_full_post_data(
-    client: &mut Client,
-    project_id: &str,
-) -> Result<CohostPostsPage, ErrorResponse> {
+#[cached(time = 120, result)]
+async fn get_full_post_data(project_id: String) -> Result<CohostPostsPage, ErrorResponse> {
     let mut page = 0;
-    let mut merged_page = get_page_data(client, project_id, page).await?;
+    let mut merged_page = get_page_data(project_id.clone(), page).await?;
     loop {
-        let mut new_page = get_page_data(client, project_id, page).await?;
+        let mut new_page = get_page_data(project_id.clone(), page).await?;
         if new_page.items.is_empty() {
             // Once there are no posts, we're done.
             break;
@@ -109,14 +121,11 @@ async fn get_full_post_data(
     Ok(merged_page)
 }
 
-async fn get_page_data(
-    client: &mut Client,
-    project_id: &str,
-    page: u64,
-) -> Result<CohostPostsPage, ErrorResponse> {
-    let posts_url = cohost_posts_api_url(project_id, page);
+// Not cached because it's never used individually.
+async fn get_page_data(project_id: String, page: u64) -> Result<CohostPostsPage, ErrorResponse> {
+    let posts_url = cohost_posts_api_url(&project_id, page);
     eprintln!("making request to {}", posts_url);
-    match client.get(posts_url).send().await {
+    match CLIENT.get(posts_url).send().await {
         Ok(v) => match v.status() {
             StatusCode::OK => match v.json::<CohostPostsPage>().await {
                 Ok(page_data) => Ok(page_data),
@@ -147,35 +156,11 @@ async fn get_page_data(
     }
 }
 
-#[get("/<project>/feed.rss")]
-async fn syndication_rss_route(project: &str) -> Result<RssResponse, ErrorResponse> {
-    let mut client = get_client()?;
-
-    let project_data = get_project_data(&mut client, project).await?;
-    let page_data = get_full_post_data(&mut client, project).await?;
-    Ok(RssResponse {
-        inner: syndication::channel_for_posts_page(project, project_data, page_data).to_string(),
-    })
-}
-
-#[get("/<project>/<id>")]
-async fn post_md_route(project: &str, id: u64) -> Result<MdResponse, ErrorResponse> {
-    let mut client = get_client()?;
-
-    let _project_data = get_project_data(&mut client, project).await?;
-    let post_data = get_post_from_page(&mut client, project, id).await?;
-    Ok(MdResponse {
-        inner: post_data.plain_body,
-    })
-}
-
-async fn get_project_data(
-    client: &mut Client,
-    project_id: &str,
-) -> Result<CohostAccount, ErrorResponse> {
+#[cached(time = 60, result)]
+async fn get_project_data(project_id: String) -> Result<CohostAccount, ErrorResponse> {
     let project_url = format!("{}{}", COHOST_ACCOUNT_API_URL, project_id);
     eprintln!("making request to {}", project_url);
-    match client.get(project_url).send().await {
+    match CLIENT.get(project_url).send().await {
         Ok(v) => match v.status() {
             StatusCode::OK => match v.json::<CohostAccount>().await {
                 Ok(a) => Ok(a),
@@ -209,15 +194,33 @@ async fn get_project_data(
     }
 }
 
-fn get_client() -> Result<Client, ErrorResponse> {
-    match Client::builder().user_agent(user_agent()).build() {
-        Ok(v) => Ok(v),
-        Err(e) => {
-            let err = format!("Couldn't build a reqwest client: {:?}", e);
-            eprintln!("{}", err);
-            Err(ErrorResponse::InternalError(err))
+#[get("/<project>/originals.rss")]
+async fn syndication_originals_rss_route(project: String) -> Result<RssResponse, ErrorResponse> {
+    let project_data = get_project_data(project.clone()).await?;
+    let page_data = get_full_post_data(project.clone()).await?;
+    Ok(RssResponse {
+        inner: syndication::channel_for_posts_page(project.clone(), project_data, page_data, true)
+            .to_string(),
+    })
 }
+
+#[get("/<project>/feed.rss")]
+async fn syndication_rss_route(project: String) -> Result<RssResponse, ErrorResponse> {
+    let project_data = get_project_data(project.clone()).await?;
+    let page_data = get_full_post_data(project.clone()).await?;
+    Ok(RssResponse {
+        inner: syndication::channel_for_posts_page(project.clone(), project_data, page_data, false)
+            .to_string(),
+    })
 }
+
+#[get("/<project>/<id>")]
+async fn post_md_route(project: String, id: u64) -> Result<MdResponse, ErrorResponse> {
+    let _project_data = get_project_data(project.clone()).await?;
+    let post_data = get_post_from_page(project.clone(), id).await?;
+    Ok(MdResponse {
+        inner: post_data.plain_body,
+    })
 }
 
 #[get("/.well-known/webfinger?<params..>")]
@@ -232,9 +235,8 @@ async fn webfinger_route(
         eprintln!("{}", err);
         return Err(ErrorResponse::InternalError(err));
     }
-    let mut client = get_client()?;
     if let Some(param) = params.iter().next() {
-        let _project_data = get_project_data(&mut client, param.0.as_str()).await?;
+        let _project_data = get_project_data(param.0.clone()).await?;
         Ok(Json(CohostWebfingerResource::new(
             param.0.as_str(),
             &ARGS.domain,
@@ -252,7 +254,13 @@ async fn main() -> Result<(), Box<dyn Error>> {
     let _rocket = rocket::build()
         .mount(
             &ARGS.base_url,
-            routes![index, webfinger_route, syndication_rss_route, post_md_route],
+            routes![
+                index,
+                webfinger_route,
+                syndication_rss_route,
+                syndication_originals_rss_route,
+                post_md_route
+            ],
         )
         .ignite()
         .await?

src/syndication.rs

@@ -22,11 +22,16 @@ pub fn channel_for_posts_page(
     project_name: impl AsRef<str>,
     project: CohostAccount,
     mut page: CohostPostsPage,
+    originals_only: bool,
 ) -> Channel {
     let project_name = project_name.as_ref().clone();
     let mut builder = rss::ChannelBuilder::default();
     builder
-        .title(format!("{} Cohost Posts", project.display_name))
+        .title(format!(
+            "{} Cohost Posts{}",
+            project.display_name,
+            if originals_only { "" } else { " and Shares" }
+        ))
         .description(project.description)
         .generator(Some(format!(
             "{} {}",
@@ -72,7 +77,15 @@ pub fn channel_for_posts_page(
 
         let mut body_text = String::new();
 
-        if item.share_tree.len() == 1 {
+        if let Some(shared_post_id) = item.transparent_share_of_post_id {
+            if originals_only {
+                continue;
+            }
+            body_text.push_str(&format!(
+                "(share of post {} without any commentary)\n\n---\n\n",
+                shared_post_id
+            ));
+        } else if item.share_tree.len() == 1 {
             body_text.push_str("(in reply to another post)\n\n---\n\n")
         } else if item.share_tree.len() > 1 {
             body_text.push_str(&format!(
@@ -108,9 +121,22 @@ pub fn channel_for_posts_page(
         let parser = pulldown_cmark::Parser::new_ext(&body_text, options);
         let mut html_output = String::new();
         pulldown_cmark::html::push_html(&mut html_output, parser);
-
         item_builder.content(html_output);
 
+        for attachment in item.blocks.into_iter().filter_map(|block| block.attachment) {
+            use mime_guess::from_path as guess_mime_from_path;
+            use rss::EnclosureBuilder;
+            let enclosure = EnclosureBuilder::default()
+                .mime_type(
+                    guess_mime_from_path(&attachment.file_url)
+                        .first_or_octet_stream()
+                        .to_string(),
+                )
+                .url(attachment.file_url)
+                .build();
+            item_builder.enclosure(enclosure);
+        }
+
         items.push(item_builder.build());
     }
 

static/index.html

@@ -20,28 +20,67 @@
       line-height: 1.75;
       font-size: 1.25em;
     }
+    h1,h2,h3,h4,h5,h6 {
+      font-family: sans-serif;
+    }
+    h1 {
+      text-align: center;
+    } 
+
+    code {
+      font-family: monospace;
+      background-color: black;
+      color: white;
+      display: inline-block;
+      padding: 0px 4px;
+      border-radius: 4px;
+    }
+    a code {
+      color: white;
+      background-color: darkblue;
+    }
+    a:hover code {
+      color: darkblue;
+      background-color: white;
+    }
+    
   </style>
 </head>
 
 <body>
     <h1>corobel</h1> 
-    <h2>RSS feeds from Cohost pages</h2>
+    <h2>Standard Data from Cohost Posts and Projects</h2>
     <p>
-        Go to <code>/project_name/feed.rss</code> to get a feed for a project.
-        For example, <a href="/noracodes/feed.rss"><code>/noracodes/feed.rss</code></a> will give you the feed for my page.
+        <h3>Project RSS Feeds</h3>
+        Go to <code>/project_name/feed.rss</code> to get a feed for a project, or <code>/project_name/originals.rss</code> for just original posts (including shared posts with commentary).
+        For example, <a href="/noracodes/feed.rss"><code>/noracodes/feed.rss</code></a> will give you the feed for my page,
+        or <a href="/noracodes/original.rss"><code>/noracodes/feed.rss</code></a> for just my original posts.
     </p>
     <p>
+        <h3>Markdown Extraction</h3>
         You can also get a particular post's original plain-text body at <code>/project_name/post_id/</code>, such as
         <a href="/noracodes/169186/"><code>/noracodes/169186/</code></a>. (In a Cohost post URL, the ID is the numerical part after <code>/post/</code>.
         For instance, in <code>https://cohost.org/noracodes/post/169186-october-update</code>, the ID is "169186".)
 
-        Or, drag this bookmarklet: <a href="javascript:(function(){const regex = /^https:\/\/cohost.org\/([a-zA-Z_0-9]*)\/post\/([0-9]*)-.*/;const new_loc = window.location.href.replace(regex, 'https://corobel.nora.codes/$1/$2');window.open(new_loc);})()">
+        Or, drag this bookmarklet: <a href="javascript:(function(){const regex = /^https:\/\/cohost.org\/([a-zA-Z_\-0-9]*)\/post\/([0-9]*)-.*/;const new_loc = window.location.href.replace(regex, 'https://corobel.nora.codes/$1/$2');window.open(new_loc);})()">
           Cohost: Extract Source
         </a> to your bookmarks bar and then click on it when you're on a Cohost individual post page to download that post's source.
     </p>
     <p>
+        <h3>Webfinger Resources</h3>
         Webfinger resources for accounts are provided at the Webfinger well-known URL <code>/.well-known/webfinger?project_name</code>.
     </p>
+    <p>
+      <h3>Technical Details</h3>
+        Since 0.5.0, Corobel caches various responses to provide better service.
+        <ul>
+          <li>Project/account data for <b>60 seconds</b></li>
+          <li>Individual posts for <b>60 seconds</b></li>
+          <li>Whole RSS feeds for <b>120 seconds</b></li>
+          <li>Internal HTTP responses <b>according to Cohost's settings</b></li>
+        </ul>
+        This means that if you update a post and then immediately request its source, you might get the old source. Just wait a few seconds.
+    </p>
     <p>
         Brought to you by <a href="https://nora.codes">Leonora Tindall</a>, written in Rust with Rocket. Code is <a href="https://git.nora.codes/nora/corobel">online</a>, bug reports should go to my email nora@nora.codes.
     </p>