shitpost: serve HTTP

site/Cargo.toml

@@ -3,6 +3,7 @@ name = "majsite"
 version = "0.2.0"
 authors = ["Christine Dodrill <me@christine.website>"]
 edition = "2018"
+build = "build.rs"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
@@ -10,11 +11,19 @@ edition = "2018"
 anyhow = "1"
 async-std = "1.5"
 async-trait = "0"
-log = "0"
+dnd_dice_roller = "0.3"
 env_logger = "0"
+log = "0"
+mime = "0.3.0"
 percent-encoding = "2"
 rustls = { version = "0.18", features = ["dangerous_configuration"] }
+smol = { version = "0.3", features = ["tokio02"] }
 structopt = "0.3"
-dnd_dice_roller = "0.3"
+url = "2"
+warp = "0.2"
 
 maj = { path = "..", features = ["server"], default-features = false }
+
+[build-dependencies]
+anyhow = "1"
+ructe = { version = "0.11", features = ["warp02"] }

site/build.rs

@@ -0,0 +1,15 @@
+use anyhow::Result;
+use ructe::Ructe;
+use std::process::Command;
+
+fn main() -> Result<()> {
+    let mut ructe = Ructe::from_env()?;
+    let mut statics = ructe.statics()?;
+    statics.add_files("static")?;
+    ructe.compile_templates("templates")?;
+
+    let output = Command::new("git").args(&["rev-parse", "HEAD"]).output()?;
+    let git_hash = String::from_utf8(output.stdout)?;
+    println!("cargo:rustc-env=GITHUB_SHA={}", git_hash);
+    Ok(())
+}

site/src/http.rs

@@ -0,0 +1,102 @@
+use crate::templates::{self, Html, RenderRucte, ToHtml, statics::StaticFile};
+use maj::server::Handler;
+use maj::{gemini, server::Request as GemRequest, StatusCode};
+use std::io::Write;
+use std::sync::Arc;
+use url::Url;
+use warp::{filters::path::FullPath, http::Response, Filter, Rejection, Reply,path};
+
+const HOST: &'static str = "cetacean.club"; // XXX(cadey): HACK
+const APPLICATION_NAME: &str = concat!(env!("CARGO_PKG_NAME"), "/", env!("CARGO_PKG_VERSION"));
+
+async fn route(args: (FullPath, Arc<crate::server::Handler>)) -> Result<impl Reply, Rejection> {
+    let (path, h) = args;
+    let u = Url::parse(&format!("gemini://{}{}", HOST, path.as_str())).unwrap();
+
+    let req = GemRequest {
+        url: u.clone(),
+        certs: None,
+    };
+
+    let resp = h.clone().handle(req).await.unwrap();
+
+    match resp.status {
+        StatusCode::Success => {
+            if resp.meta.starts_with("text/gemini") {
+                let (title, body) = gemtext_to_html(resp.body);
+                Response::builder().html(|o| templates::page_html(o, title, body))
+            } else {
+                Response::builder()
+                    .status(warp::http::StatusCode::INTERNAL_SERVER_ERROR)
+                    .html(|o| {
+                        templates::error_html(o, u.to_string(), "cannot proxy this yet".to_string())
+                    })
+            }
+        }
+
+        _ => Response::builder()
+            .status(warp::http::StatusCode::INTERNAL_SERVER_ERROR)
+            .html(|o| templates::error_html(o, u.to_string(), resp.meta)),
+    }
+}
+
+fn gemtext_to_html(inp: Vec<u8>) -> (String, impl ToHtml) {
+    use gemini::Node::*;
+    let mut title: String = "Unknown Title".to_string();
+    let inp = std::str::from_utf8(&inp).unwrap();
+    let nodes = gemini::parse(inp);
+    let mut buf: Vec<u8> = Vec::new();
+
+    for node in &nodes {
+        match node {
+            Heading { level, body } => {
+                if *level == 1 {
+                    title = body.to_string();
+                }
+
+                write!(buf, "<h{0}>{1}</h{0}>", level, body).unwrap();
+            }
+            Text(body) => write!(buf, "{}\n<br />", body).unwrap(),
+            Link { to, name } => write!(
+                buf,
+                r#"<a href="{}">{}</a>"#,
+                to,
+                name.as_ref().or(Some(&to.to_string())).unwrap()
+            )
+            .unwrap(),
+            Preformatted(body) => write!(buf, "<code><pre>{}</pre></code>", body).unwrap(),
+            ListItem(body) => write!(buf, "<li>{}</li>", body).unwrap(),
+            Quote(body) => write!(buf, "<blockquote>{}</blockquote>", body).unwrap(),
+        }
+    }
+
+    (title, Html(String::from_utf8(buf).unwrap()))
+}
+
+pub fn run(h: Arc<crate::server::Handler>, port: u16) {
+    smol::run(async {
+        let h = h.clone();
+        let handler = warp::path::full()
+            .map(move |path: FullPath| (path, h.clone())).and_then(route);
+        let statics = path("static").and(path::param()).and_then(static_file);
+        let site = statics.or(handler)
+            .with(warp::log(APPLICATION_NAME));
+        warp::serve(site).run(([0, 0, 0, 0], port)).await;
+    });
+}
+
+/// Handler for static files.
+/// Create a response from the file data with a correct content type
+/// and a far expires header (or a 404 if the file does not exist).
+async fn static_file(name: String) -> Result<impl Reply, Rejection> {
+    if let Some(data) = StaticFile::get(&name) {
+        Ok(Response::builder()
+           .status(warp::http::StatusCode::OK)
+           .header("content-type", data.mime.as_ref())
+           // TODO .header("expires", _far_expires)
+           .body(data.content))
+    } else {
+        println!("Static file {} not found", name);
+        Err(warp::reject::not_found())
+    }
+}

site/src/main.rs

@@ -1,12 +1,4 @@
 use async_std::task;
-use dnd_dice_roller::{dice::Dice, error::DiceError};
-use maj::{
-    gemini::Builder,
-    route, seg,
-    server::{Error, Handler as MajHandler, Request},
-    split, Response,
-};
-use percent_encoding::percent_decode_str;
 use rustls::{
     internal::pemfile::{certs, pkcs8_private_keys},
     AllowAnyAnonymousOrAuthenticatedClient, Certificate, PrivateKey, RootCertStore, ServerConfig,
@@ -15,11 +7,14 @@ use std::{
     fs::File,
     io::{self, BufReader},
     path::{Path, PathBuf},
-    str::FromStr,
     sync::Arc,
+    thread,
 };
 use structopt::StructOpt;
 
+mod http;
+mod server;
+
 #[derive(StructOpt, Debug)]
 struct Options {
     /// host to listen on
@@ -49,6 +44,10 @@ struct Options {
         default_value = "cetacean.club"
     )]
     hostname: String,
+
+    /// HTTP port
+    #[structopt(long, default_value="34587")]
+    http_port: u16,
 }
 
 fn load_certs(path: &Path) -> io::Result<Vec<Certificate>> {
@@ -81,11 +80,19 @@ fn main() -> Result<(), maj::server::Error> {
         .set_single_cert(certs, keys.remove(0))
         .map_err(|err| io::Error::new(io::ErrorKind::InvalidInput, err))?;
 
+    let h = Arc::new(server::Handler {
+        hostname: opts.hostname,
+        files: maj::server::files::Handler::new(opts.static_path),
+    });
+
+    {
+        let port = opts.http_port.clone();
+        let h = h.clone();
+    thread::spawn(move || http::run(h.clone(), port));
+        }
+
     task::block_on(maj::server::serve(
-        Arc::new(Handler {
-            hostname: opts.hostname,
-            files: maj::server::files::Handler::new(opts.static_path),
-        }),
+        h.clone(),
         config,
         opts.host,
         opts.port,
@@ -94,78 +101,5 @@ fn main() -> Result<(), maj::server::Error> {
     Ok(())
 }
 
-struct Handler {
-    hostname: String,
-    files: maj::server::files::Handler,
-}
-
-async fn dice(req: Request) -> Result<Response, Error> {
-    fn dice_roll<T: Into<String>>(roll: T) -> Result<String, DiceError> {
-        let mut dice = Dice::from_str(&roll.into())?;
-
-        if dice.number_of_dice_to_roll > 100 {
-            dice.number_of_dice_to_roll = 100;
-        }
-
-        if dice.sides > 100 {
-            dice.sides = 100
-        }
-
-        if dice.sides == 0 {
-            dice.sides = 6;
-        }
-
-        let res = dice.roll_dice();
-        let reply = format!(
-            "{}{} = {}\n",
-            res.dice_results,
-            match dice.modifier {
-                Some(amt) => format!(" + {}", amt),
-                None => "".into(),
-            },
-            res.final_result[0]
-        );
-        Ok(reply)
-    }
-
-    match req.url.query() {
-        None => Ok(Response::input(
-            "What do you want to roll? [n]dn[+n] [adv|dadv]",
-        )),
-        Some(q) => Ok({
-            let dice = percent_decode_str(q).decode_utf8()?;
-            let b = Builder::new()
-                .heading(1, "Dice Results")
-                .text("")
-                .text(format!("You rolled {} and you got:", dice))
-                .text("")
-                .preformatted(format!("{}", dice_roll(dice)?))
-                .text("")
-                .link("/dice", Some("Do another roll".to_string()));
-
-            Response::render(b.build())
-        }),
-    }
-}
-
-#[async_trait::async_trait]
-impl MajHandler for Handler {
-    async fn handle(&self, req: Request) -> Result<Response, Error> {
-        if req.url.has_host() && req.url.host_str().unwrap().to_string() != self.hostname {
-            return Ok(Response::no_proxy());
-        }
-
-        if req.url.path() == "" {
-            return Ok(Response::perm_redirect(format!(
-                "gemini://{}/",
-                self.hostname
-            )));
-        }
-
-        route!(req.url.path(), {
-            (/"dice") => dice(req).await;
-        });
-
-        self.files.handle(req).await
-    }
-}
+// And finally, include the generated code for templates and static files.
+include!(concat!(env!("OUT_DIR"), "/templates.rs"));

site/src/server.rs

@@ -0,0 +1,85 @@
+use dnd_dice_roller::{dice::Dice, error::DiceError};
+use maj::{
+    gemini::Builder,
+    route, seg,
+    server::{Error, Handler as MajHandler, Request},
+    split, Response,
+};
+use percent_encoding::percent_decode_str;
+use std::str::FromStr;
+
+pub struct Handler {
+    pub hostname: String,
+    pub files: maj::server::files::Handler,
+}
+
+async fn dice(req: Request) -> Result<Response, Error> {
+    fn dice_roll<T: Into<String>>(roll: T) -> Result<String, DiceError> {
+        let mut dice = Dice::from_str(&roll.into())?;
+
+        if dice.number_of_dice_to_roll > 100 {
+            dice.number_of_dice_to_roll = 100;
+        }
+
+        if dice.sides > 100 {
+            dice.sides = 100
+        }
+
+        if dice.sides == 0 {
+            dice.sides = 6;
+        }
+
+        let res = dice.roll_dice();
+        let reply = format!(
+            "{}{} = {}\n",
+            res.dice_results,
+            match dice.modifier {
+                Some(amt) => format!(" + {}", amt),
+                None => "".into(),
+            },
+            res.final_result[0]
+        );
+        Ok(reply)
+    }
+
+    match req.url.query() {
+        None => Ok(Response::input(
+            "What do you want to roll? [n]dn[+n] [adv|dadv]",
+        )),
+        Some(q) => Ok({
+            let dice = percent_decode_str(q).decode_utf8()?;
+            let b = Builder::new()
+                .heading(1, "Dice Results")
+                .text("")
+                .text(format!("You rolled {} and you got:", dice))
+                .text("")
+                .preformatted(format!("{}", dice_roll(dice)?))
+                .text("")
+                .link("/dice", Some("Do another roll".to_string()));
+
+            Response::render(b.build())
+        }),
+    }
+}
+
+#[async_trait::async_trait]
+impl MajHandler for Handler {
+    async fn handle(&self, req: Request) -> Result<Response, Error> {
+        if req.url.has_host() && req.url.host_str().unwrap().to_string() != self.hostname {
+            return Ok(Response::no_proxy());
+        }
+
+        if req.url.path() == "" {
+            return Ok(Response::perm_redirect(format!(
+                "gemini://{}/",
+                self.hostname
+            )));
+        }
+
+        route!(req.url.path(), {
+            (/"dice") => dice(req).await;
+        });
+
+        self.files.handle(req).await
+    }
+}

site/static/gruvbox.css

@@ -0,0 +1,74 @@
+main {
+  font-family: monospace, monospace;
+  max-width: 38rem;
+  padding: 2rem;
+  margin: auto;
+}
+
+@media only screen and (max-device-width: 736px) {
+  main {
+    padding: 0rem;
+  }
+}
+
+::selection {
+  background: #d3869b;
+}
+
+body {
+  background: #282828;
+  color:      #ebdbb2;
+}
+
+pre {
+  background-color: #3c3836;
+  padding: 1em;
+  border: 0;
+}
+
+a, a:active, a:visited {
+  color: #b16286;
+  background-color: #1d2021;
+}
+
+h1, h2, h3, h4, h5 {
+  margin-bottom: .1rem;
+}
+
+blockquote {
+  border-left: 1px solid #bdae93;
+  margin: 0.5em 10px;
+  padding: 0.5em 10px;
+}
+
+footer {
+  align: center;
+}
+
+@media (prefers-color-scheme: light) {
+    body {
+        background: #fbf1c7;
+        color:      #3c3836;
+    }
+
+    pre {
+        background-color: #ebdbb2;
+        padding: 1em;
+        border: 0;
+    }
+
+    a, a:active, a:visited {
+        color: #b16286;
+        background-color: #f9f5d7;
+    }
+
+    h1, h2, h3, h4, h5 {
+        margin-bottom: .1rem;
+    }
+
+    blockquote {
+        border-left: 1px solid #655c54;
+        margin: 0.5em 10px;
+        padding: 0.5em 10px;
+    }
+}

site/templates/error.rs.html

@@ -0,0 +1,15 @@
+@use super::{header_html, footer_html};
+
+@(url: String, why: String)
+
+@:header_html("Error")
+
+<h1>Error</h1>
+
+<p>
+    There was an error proxying <code>@url</code>: @why.
+</p>
+
+<hr />
+
+@:footer_html()

site/templates/footer.rs.html

@@ -0,0 +1,7 @@
+@()
+            <footer>
+                <p>Be well, Creator - <a href="https://tulpa.dev/cadey/maj">Source code here</a> - From <a href="gemini://cetacean.club">Within</a></p>
+            </footer>
+        </main>
+    </body>
+</html>

site/templates/header.rs.html

@@ -0,0 +1,13 @@
+@use super::statics::*;
+
+@(title: &str)
+
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>@title</title>
+        <link rel="stylesheet" href="/static/@gruvbox_css.name">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    </head>
+    <body id="top">
+        <main>

site/templates/page.rs.html

@@ -0,0 +1,13 @@
+@use super::{header_html, footer_html};
+
+@(title: String, body: impl ToHtml)
+
+@:header_html(&title)
+
+<p>
+    @body
+</p>
+
+<hr />
+
+@:footer_html()