.drone.yml

@@ -7,6 +7,9 @@ steps:
     pull: always
     commands:
       - cargo test --all --all-features
+    when:
+      event:
+        - push
 
   - name: auto-release
     image: xena/gitea-release
@@ -22,10 +25,6 @@ steps:
         - push
       branch:
         - main
-trigger:
-  event:
-    - push
-    - pull_request
 
 ---
 
@@ -40,6 +39,6 @@ steps:
     environment:
       CARGO_TOKEN:
         from_secret: CARGO_TOKEN
-trigger:
+    when:
-  event:
+      event:
-    - tag
+        - tag

Cargo.toml

@@ -10,6 +10,8 @@ repository = "https://tulpa.dev/cadey/maj"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+async-std = { version = "1.6", optional = true }
+async-tls = { default-features = false, optional = true, version = "0" }
 async-trait = { version = "0", optional = true }
 log = "0.4"
 mime_guess = "2.0"
@@ -17,11 +19,11 @@ num = "0.2"
 num-derive = "0.3"
 num-traits = "0.2"
 once_cell = "1.4"
-rustls = { version = "0.19", optional = true, features = ["dangerous_configuration"] }
+rustls = { version = "0.18", optional = true, features = ["dangerous_configuration"] }
 structopt = "0.3"
 thiserror = "1"
-tokio-rustls = { version = "0.21", features = ["dangerous_configuration"] }
+tokio-rustls = { version = "0.14", features = ["dangerous_configuration"], optional = true }
-tokio = { version = "0.3", features = ["full"] }
+tokio = { version = "0.2", features = ["full"], optional = true }
 url = "2"
 webpki-roots = { version = "0.20", optional = true }
 webpki = { version = "0.21.0", optional = true }
@@ -35,8 +37,12 @@ pretty_env_logger = "0.4"
 default = ["client", "server"]
 
 client = [
+  "tokio-rustls",
   "webpki",
   "webpki-roots",
+  "tokio",
+  "async-std",
+  "async-tls/client"
 ]
 
 server = [
@@ -44,6 +50,8 @@ server = [
   "webpki",
   "webpki-roots",
   "async-trait",
+  "async-std",
+  "async-tls/server"
 ]
 
 [workspace]

gemtext/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "gemtext"
-version = "0.2.1"
+version = "0.2.0"
 authors = ["Christine Dodrill <me@christine.website>"]
 edition = "2018"
 license = "0BSD"

gemtext/src/lib.rs

@@ -18,28 +18,6 @@ impl Builder {
         self
     }
 
-    /// Append a single blank line to the document
-    ///
-    /// This is equivilent to calling [`text()`] with an empty string, or pushing a blank
-    /// [`Node`]
-    ///
-    /// ```
-    /// # use gemtext::Builder;
-    /// let greeting = Builder::new()
-    ///     .text("Hello")
-    ///     .blank_line()
-    ///     .text("universe")
-    ///     .to_string();
-    ///
-    /// assert_eq!(greeting.trim(), "Hello\n\nuniverse");
-    /// ```
-    ///
-    /// [`text()`]: Self::text()
-    pub fn blank_line(mut self) -> Self {
-        self.nodes.push(Node::blank());
-        self
-    }
-
     pub fn link<T: Into<String>>(mut self, to: T, name: Option<String>) -> Builder {
         self.nodes.push(Node::Link {
             to: to.into(),
@@ -48,12 +26,8 @@ impl Builder {
         self
     }
 
-    pub fn preformatted<A, T>(mut self, alt_text: A, data: T) -> Builder
+    pub fn preformatted<T: Into<String>>(mut self, data: T) -> Builder {
-    where
+        self.nodes.push(Node::Preformatted(data.into()));
-        A: Into<String>,
-        T: Into<String>,
-    {
-        self.nodes.push(Node::Preformatted { alt: alt_text.into(), body: data.into() });
         self
     }
 
@@ -80,53 +54,11 @@ impl Builder {
     }
 }
 
-impl ToString for Builder {
-    /// Render a document to a string
-    ///
-    /// This produces a text/gemini compliant text document, represented as a string
-    fn to_string(&self) -> String {
-        let len: usize = self.nodes.iter().map(Node::estimate_len).sum(); // sum up node lengths
-        let mut bytes = Vec::with_capacity(len + self.nodes.len()); // add in inter-node newlines
-        render(self, &mut bytes).unwrap(); // Writing to a string shouldn't produce errors
-
-        unsafe {
-            // This is safe because bytes is composed of Strings.  We could have this as
-            // pure safe code by replicating the `render()` method and switching it to use
-            // a fmt::Write (or even `String::push()`)instead of a io::Write, but this has
-            // the same effect, with much DRYer code.
-            String::from_utf8_unchecked(bytes)
-        }
-    }
-}
-
-impl AsRef<[Node]> for Builder {
-    /// Get a reference to the internal node list of this builder
-    fn as_ref(&self) -> &[Node] {
-        self.nodes.as_ref()
-    }
-}
-
-impl AsMut<[Node]> for Builder {
-    /// Get a mutable reference to the internal node list of this builder
-    fn as_mut(&mut self) -> &mut [Node] {
-        self.nodes.as_mut()
-    }
-}
-
-impl From<Builder> for Vec<Node> {
-    /// Convert into a collection of [`Node`]s.
-    ///
-    /// Equivilent to calling [`Builder::build()`]
-    fn from(builder: Builder) -> Self {
-        builder.build()
-    }
-}
-
 /// Render a set of nodes as a document to a writer.
-pub fn render(nodes: impl AsRef<[Node]>, out: &mut impl Write) -> io::Result<()> {
+pub fn render(nodes: Vec<Node>, out: &mut impl Write) -> io::Result<()> {
     use Node::*;
 
-    for node in nodes.as_ref() {
+    for node in nodes {
         match node {
             Text(body) => {
                 let special_prefixes = ["=>", "```", "#", "*", ">"];
@@ -139,8 +71,8 @@ pub fn render(nodes: impl AsRef<[Node]>, out: &mut impl Write) -> io::Result<()>
                 Some(name) => write!(out, "=> {} {}\n", to, name)?,
                 None => write!(out, "=> {}\n", to)?,
             },
-            Preformatted { alt, body } => write!(out, "```{}\n{}\n```\n", alt, body)?,
+            Preformatted(body) => write!(out, "```\n{}\n```\n", body)?,
-            Heading { level, body } => write!(out, "{} {}\n", "#".repeat(*level as usize), body)?,
+            Heading { level, body } => write!(out, "{} {}\n", "#".repeat(level as usize), body)?,
             ListItem(body) => write!(out, "* {}\n", body)?,
             Quote(body) => write!(out, "> {}\n", body)?,
         };
@@ -150,7 +82,7 @@ pub fn render(nodes: impl AsRef<[Node]>, out: &mut impl Write) -> io::Result<()>
 }
 
 /// Individual nodes of the document. Each node correlates to a line in the file.
-#[derive(Debug, PartialEq, Eq, Clone)]
+#[derive(Debug, PartialEq, Eq)]
 pub enum Node {
     /// Text lines are the most fundamental line type - any line which does not
     /// match the definition of another line type defined below defaults to
@@ -191,19 +123,7 @@ pub enum Node {
     /// (e.g. Python) should be able to be copied and pasted from the client into
     /// a file and interpreted/compiled without any problems arising from the
     /// client's manner of displaying them.
-    ///
+    Preformatted(String),
-    /// The first preformatted toggle of a document is often followed by a short
-    /// string, which acts as alt-text for the preformatted block.  This is also
-    /// often used to denote the language of code in a block of text.  For example,
-    /// a block starting with the text `\`\`\`rust` may be interpreted as rust
-    /// code, and a block starting with `\`\`\` An ascii art owl` would be
-    /// described aptly to visually impaired users using a screen reader.  The alt
-    /// text may be separated from the toggle by whitespace.  `gemtext` currently
-    /// renders alt text without this separation.
-    ///
-    /// To create a preformatted block with no alt text, simply pass a zero-length
-    /// string as alt text.
-    Preformatted { alt: String, body: String },
 
     /// Lines beginning with "#" are heading lines. Heading lines consist of one,
     /// two or three consecutive "#" characters, followed by optional whitespace,
@@ -246,73 +166,24 @@ impl Node {
     pub fn blank() -> Node {
         Node::Text("".to_string())
     }
-
-    /// Cheaply estimate the length of this node
-    ///
-    /// This measures length in bytes, *not characters*.  So if the user includes
-    /// non-ascii characters, a single one of these characters may add several bytes to
-    /// the length, despite only displaying as one character.
-    ///
-    /// This does include any newlines, but not any trailing newlines.  For example, a
-    /// preformatted text block containing a single line reading "trans rights! 🏳️‍⚧️"
-    /// would have a length of 30:  3 backticks, a newline, the text (including 16 bytes
-    /// for the trans flag), another newline, and another 3 backticks.
-    ///
-    /// ```
-    /// # use gemtext::Node;
-    /// let simple_text = Node::Text(String::from("Henlo worl"));
-    /// let linky_link = Node::Link { to: "gemini://cetacean.club/maj/".to_string(), name: Some("Maj".to_string()) };
-    /// let human_rights = Node::Preformatted {
-    ///     alt: "".to_string(),
-    ///     body: "trans rights! 🏳️‍⚧️".to_string(),
-    /// };
-    ///
-    /// assert_eq!(
-    ///     simple_text.estimate_len(),
-    ///     "Henlo worl".as_bytes().len()
-    /// );
-    /// assert_eq!(
-    ///     linky_link.estimate_len(),
-    ///     "=> gemini://cetacean.club/maj/ Maj".as_bytes().len()
-    /// );
-    /// assert_eq!(
-    ///     human_rights.estimate_len(),
-    ///     "```\ntrans rights! 🏳️‍⚧️\n```".as_bytes().len()
-    /// );
-    /// ```
-    pub fn estimate_len(&self) -> usize {
-        match self {
-            Self::Text(text) => text.len(),
-            Self::Link { to, name } => 3 + to.as_bytes().len() +
-                name.as_ref().map(|n| n.as_bytes().len() + 1).unwrap_or(0),
-            Self::Preformatted { alt, body } => alt.as_bytes().len()
-                + body.as_bytes().len() + 8,
-            Self::Heading { level, body } => *level as usize + 1 + body.as_bytes().len(),
-            Self::ListItem(item) | Self::Quote(item)=> 2 + item.as_bytes().len(),
-        }
-    }
 }
 
 pub fn parse(doc: &str) -> Vec<Node> {
     let mut result: Vec<Node> = vec![];
     let mut collect_preformatted: bool = false;
     let mut preformatted_buffer: Vec<u8> = vec![];
-    let mut alt = "";
 
     for line in doc.lines() {
-        if let Some(trailing) = line.strip_prefix("```") {
+        if line.starts_with("```") {
             collect_preformatted = !collect_preformatted;
             if !collect_preformatted {
-                result.push(Node::Preformatted {
+                result.push(Node::Preformatted(
-                    alt: alt.to_string(),
+                    String::from_utf8(preformatted_buffer)
-                    body: String::from_utf8(preformatted_buffer)
                         .unwrap()
                         .trim_end()
                         .to_string(),
-                });
+                ));
                 preformatted_buffer = vec![];
-            } else {
-                alt = trailing.trim();
             }
             continue;
         }
@@ -411,13 +282,13 @@ mod tests {
     #[test]
     fn preformatted() {
         let _ = pretty_env_logger::try_init();
-        let msg = "```hi there\n\
+        let msg = "```\n\
-                   obi-wan kenobi\n\
+                   hi there\n\
                    ```\n\
                    \n\
                    Test\n";
         let expected: Vec<Node> = vec![
-            Node::Preformatted{ alt: "hi there".to_string(), body: "obi-wan kenobi".to_string() },
+            Node::Preformatted("hi there".to_string()),
             Node::Text(String::new()),
             Node::Text("Test".to_string()),
         ];
@@ -467,7 +338,7 @@ mod tests {
         let _ = pretty_env_logger::try_init();
         let msg = include_str!("../../testdata/ambig_preformatted.gmi");
         let expected: Vec<Node> = vec![
-            Node::Preformatted { alt: "foo".to_string(), body: "FOO".to_string() },
+            Node::Preformatted("FOO".to_string()),
             Node::Text("Foo bar".to_string()),
         ];
         assert_eq!(expected, parse(msg));

majc/Cargo.toml

@@ -11,7 +11,7 @@ cursive = "0.15"
 log = "0.4"
 url = "2"
 webpki = "0.21.0"
-rustls = { version = "0.19", features = ["dangerous_configuration"] }
+rustls = { version = "0.18", features = ["dangerous_configuration"] }
 smol = { version = "0.3", features = ["tokio02"] }
 
 maj = { path = ".." }

majc/src/gemini.rs

@@ -224,7 +224,7 @@ pub fn render(body: &str) -> StyledString {
                     styled.append(StyledString::styled(name, Style::from(Effect::Underline)))
                 }
             },
-            Preformatted { body, .. } => styled.append(StyledString::plain(body)),
+            Preformatted(data) => styled.append(StyledString::plain(data)),
             Heading { level, body } => styled.append(StyledString::styled(
                 format!("{} {}", "#".repeat(level as usize), body),
                 Style::from(Effect::Bold),

pilno/karnycukta/Cargo.toml

@@ -8,14 +8,15 @@ edition = "2018"
 
 [dependencies]
 anyhow = "1"
+async-std = "1.5"
 async-trait = "0"
 atom_syndication = "0.9"
 chrono = "*"
 log = "0"
 pretty_env_logger = "0.4"
 webpki = "0.21.0"
-rustls = { version = "0.19", features = ["dangerous_configuration"] }
+rustls = { version = "0.18", features = ["dangerous_configuration"] }
 structopt = "0.3"
-tokio = { version = "0.3", features = ["full"] }
+tokio = { version = "0.2", features = ["full"] }
 
 maj = { path = "../..", features = ["server", "client"], default-features = false }

pilno/karnycukta/src/zbasu/mod.rs

@@ -25,7 +25,7 @@ fn gem_to_md(tcana: Vec<Node>, out: &mut impl Write) -> io::Result<()> {
                 Some(name) => write!(out, "[{}]({})\n\n", name, to)?,
                 None => write!(out, "[{0}]({0})", to)?,
             },
-            Preformatted { alt, body } => write!(out, "```{}\n{}\n```\n\n", alt, body)?,
+            Preformatted(body) => write!(out, "```\n{}\n```\n\n", body)?,
             Heading { level, body } => {
                 write!(out, "##{} {}\n\n", "#".repeat(level as usize), body)?
             }

shell.nix

@@ -6,6 +6,8 @@ let
     "https://github.com/nix-community/NUR/archive/master.tar.gz") {
       inherit pkgs;
     };
+  tex = with pkgs;
+    texlive.combine { inherit (texlive) scheme-medium bitter titlesec; };
 in pkgs.mkShell {
   buildInputs = with pkgs; [
     pkgs.latest.rustChannels.stable.rust
@@ -13,6 +15,10 @@ in pkgs.mkShell {
 
     pkg-config
     ncurses
+
+    kindlegen
+    nur.repos.mic92.pandoc-bin
+    tex
   ];
 
   RUST_LOG="info,majsite=debug,majsite::server=debug";

site/Cargo.toml

@@ -9,6 +9,7 @@ build = "build.rs"
 
 [dependencies]
 anyhow = "1"
+async-std = "1.5"
 async-trait = "0"
 dnd_dice_roller = "0.3"
 env_logger = "0"
@@ -16,14 +17,13 @@ log = "0"
 mime = "0.3.0"
 percent-encoding = "2"
 rand = "0"
-rustls = { version = "0.19", features = ["dangerous_configuration"] }
+rustls = { version = "0.18", features = ["dangerous_configuration"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 smol = { version = "0.3", features = ["tokio02"] }
 structopt = "0.3"
 url = "2"
 warp = "0.2"
-tokio = { version = "0.3", features = ["rt"] }
 
 maj = { path = "..", features = ["server"], default-features = false }
 

site/src/http.rs

@@ -80,12 +80,7 @@ fn gemtext_to_html(inp: Vec<u8>) -> (String, impl ToHtml) {
                 name.as_ref().or(Some(&to.to_string())).unwrap()
             )
             .unwrap(),
-            Preformatted { alt, body } => write!(
+            Preformatted(body) => write!(buf, "<code><pre>{}</pre></code>", body).unwrap(),
-                buf,
-                "<code><pre title = \"{}\">{}</pre></code>",
-                alt.replace("\"", "\\\"").replace("\\", "\\\\"),
-                body
-            ).unwrap(),
             ListItem(body) => write!(buf, "<li>{}</li>", body).unwrap(),
             Quote(body) => write!(buf, "<blockquote>{}</blockquote>", body).unwrap(),
         }

site/src/main.rs

@@ -1,8 +1,8 @@
+use async_std::task;
 use rustls::{
     internal::pemfile::{certs, pkcs8_private_keys},
     AllowAnyAnonymousOrAuthenticatedClient, Certificate, PrivateKey, RootCertStore, ServerConfig,
 };
-
 use std::{
     fs::File,
     io::{self, BufReader},
@@ -64,8 +64,7 @@ fn load_keys(path: &Path) -> io::Result<Vec<PrivateKey>> {
         .map_err(|_| io::Error::new(io::ErrorKind::InvalidInput, "invalid key"))
 }
 
-#[tokio::main]
+fn main() -> Result<(), maj::server::Error> {
-async fn main() -> Result<(), maj::server::Error> {
     env_logger::init();
     let opts = Options::from_args();
     let certs = load_certs(&opts.cert).unwrap();
@@ -97,7 +96,7 @@ async fn main() -> Result<(), maj::server::Error> {
         thread::spawn(move || http::run(h.clone(), port));
     }
 
-    maj::server::serve(h.clone(), config, opts.host, opts.port).await?;
+    task::block_on(maj::server::serve(h.clone(), config, opts.host, opts.port))?;
 
     Ok(())
 }

site/src/server.rs

@@ -56,7 +56,7 @@ async fn dice(req: Request) -> Result<Response, Error> {
                 .text("")
                 .text(format!("You rolled {} and you got:", dice))
                 .text("")
-                .preformatted("", format!("{}", dice_roll(dice)?))
+                .preformatted(format!("{}", dice_roll(dice)?))
                 .text("")
                 .link("/dice", Some("Do another roll".to_string()));
 

src/server/files.rs

@@ -26,7 +26,7 @@ impl MajHandler for Handler {
 
         log::debug!("opening file {:?}", path);
 
-        match tokio::fs::metadata(&path).await {
+        match async_std::fs::metadata(&path).await {
             Ok(stat) => {
                 if stat.is_dir() {
                     if r.url.as_str().ends_with('/') {
@@ -43,9 +43,9 @@ impl MajHandler for Handler {
             }
         }
 
-        let mut file = tokio::fs::File::open(&path).await?;
+        let mut file = async_std::fs::File::open(&path).await?;
         let mut buf: Vec<u8> = Vec::new();
-        tokio::io::copy(&mut file, &mut buf).await?;
+        async_std::io::copy(&mut file, &mut buf).await?;
 
         // Send header.
         if path.extension() == Some(OsStr::new("gmi"))

src/server/mod.rs

@@ -1,10 +1,11 @@
 use crate::{Response, StatusCode};
-use tokio::{
+use async_std::{
-    prelude::*,
+    io::prelude::*,
     net::{TcpListener, TcpStream},
+    stream::StreamExt,
     task,
 };
-use tokio_rustls::TlsAcceptor;
+use async_tls::TlsAcceptor;
 use async_trait::async_trait;
 use rustls::Certificate;
 use std::{error::Error as StdError, net::SocketAddr, sync::Arc};
@@ -52,10 +53,12 @@ where
 {
     let cfg = Arc::new(cfg);
     let listener = TcpListener::bind(&format!("{}:{}", host, port)).await?;
+    let mut incoming = listener.incoming();
     let acceptor = Arc::new(TlsAcceptor::from(cfg.clone()));
-    while let Ok((stream, addr)) = listener.accept().await {
+    while let Some(Ok(stream)) = incoming.next().await {
         let h = h.clone();
         let acceptor = acceptor.clone();
+        let addr = stream.peer_addr().unwrap();
         let port = port.clone();
 
         task::spawn(handle_request(h, stream, acceptor, addr, port));
@@ -80,7 +83,7 @@ async fn handle_request(
             if let Some(u_port) = url.port() {
                 if port != u_port {
                     let _ = write_header(
-                        stream,
+                        &mut stream,
                         StatusCode::ProxyRequestRefused,
                         "Cannot proxy to that URL",
                     )
@@ -114,7 +117,7 @@ async fn handle_request(
     Ok(())
 }
 
-pub async fn write_header<W: AsyncWrite + Unpin>(
+pub async fn write_header<W: Write + Unpin>(
     mut stream: W,
     status: StatusCode,
     meta: &str,
@@ -126,7 +129,7 @@ pub async fn write_header<W: AsyncWrite + Unpin>(
 }
 
 /// Return the URL requested by the client.
-async fn parse_request<R: AsyncRead + Unpin>(mut stream: R) -> Result<Url> {
+async fn parse_request<R: Read + Unpin>(mut stream: R) -> Result<Url> {
     // Because requests are limited to 1024 bytes (plus 2 bytes for CRLF), we
     // can use a fixed-sized buffer on the stack, avoiding allocations and
     // copying, and stopping bad clients from making us use too much memory.
@@ -164,7 +167,7 @@ async fn handle<T>(
     stream: &mut T,
     addr: SocketAddr,
 ) where
-    T: AsyncWrite + Unpin,
+    T: Write + Unpin,
 {
     let u = req.url.clone();
     match h.handle(req).await {