commit - /dev/null
commit + 0918440e346e322a76c8041e8939e8e7e70de0d9
blob - /dev/null
blob + a79dad7e410e973d9cab54a49d4391bc0d1a66ae (mode 644)
--- /dev/null
+++ .gitignore
+/target
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blob - /dev/null
blob + f5610c5363aaf340dd7b51649d04782260bf5d3b (mode 644)
--- /dev/null
+++ Cargo.lock
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+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
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+
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+
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+
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+
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+dependencies = [
+ "chrono",
+ "itertools",
+]
blob - /dev/null
blob + edf52e3f33ca9a1b86120d49ec312c3d8221feb4 (mode 644)
--- /dev/null
+++ Cargo.toml
+[package]
+name = "www-cgi"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+chrono = "0.4.37"
+itertools = "0.12.1"
blob - /dev/null
blob + 66a34507a8648c546ed689da668190936ab6ce2a (mode 644)
--- /dev/null
+++ Makefile
+
+SRC != find src -name '*.rs'
+
+RUSTFLAGS = -C relocation-model=static \
+ -L native=/usr/lib \
+ -l static=c \
+ -l static=c++abi \
+ -l static=pthread \
+ -C link-arg=-static \
+ -C panic=abort
+
+all: www.cgi
+
+clean:
+ cargo clean
+ rm -f www.cgi
+
+install: www.cgi
+ scp www.cgi server:/var/www/bin/
+ openrsync --rsync-path=/usr/bin/openrsync -tr --delete --exclude fix cats server:/var/www/htdocs/
+
+www.cgi: ${SRC} src/style.css
+ cargo rustc --release -- ${RUSTFLAGS}
+ mv -f target/release/www-cgi www.cgi
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blob + 9553ae49e957dc45fe0ab1dfe070911fd07c60e1 (mode 755)
--- /dev/null
+++ cats/fix
+#!/bin/sh
+
+check() {
+ command -v "$1" > /dev/null || { echo "Please install '$1'" >&2; exit 1; }
+}
+
+check 'convert'
+check 'jpegoptim'
+check 'exiftran'
+
+for png in *.png; do
+ [ "$png" = "*.png" ] && break
+ convert "$png" "$(basename "$png" .png).jpg"
+ rm -f "$png"
+done
+
+
+i=$(find . -name '*.jpg' -maxdepth 1 | sed -En 's#^(\./)?([0-9]+)\.jpg$#\2#p' | sort -n | tail -n1)
+i=$((i + 1))
+
+for f in *.jpg; do
+ echo "$f" | grep -qE '^[0-9]+\.jpg$' && continue
+ jpegoptim -sS1024 -T 25 "$f"
+ exiftran -ai "$f"
+ mv "$f" "$i.jpg"
+ i=$((i + 1))
+done
blob - /dev/null
blob + 631940df13cd97176e7206e4544b1c19dae1eae5 (mode 644)
--- /dev/null
+++ src/html.rs
+use std::fmt::{self, Display, Formatter};
+
+#[derive(Clone)]
+pub struct Tag {
+ pub name: &'static str,
+ pub args: Vec<(&'static str, String)>,
+ pub children: Vec<Element>,
+ pub self_closing: bool,
+}
+
+#[derive(Clone)]
+pub enum Element {
+ Tag(Tag),
+ String(String),
+}
+
+#[derive(Clone, Copy)]
+pub struct Indent(u32);
+
+impl Element {
+ pub fn render(&self, f: &mut Formatter<'_>, ind: Indent) -> fmt::Result {
+ match self {
+ Self::Tag(Tag { name, args, children, self_closing }) => {
+ write!(f, "{ind}<{name}")?;
+ for (name, value) in args {
+ write!(f, " {name}={value:?}")?;
+ }
+ write!(f, ">")?;
+ match &children[..] {
+ [] if *self_closing => writeln!(f),
+ [] => writeln!(f, "</{name}>"),
+ [Element::String(s)] => writeln!(f, "{s}</{name}>"),
+ _ => {
+ writeln!(f)?;
+
+ for child in children {
+ child.render(f, ind.next())?;
+ }
+
+ writeln!(f, "{ind}</{name}>")?;
+ Ok(())
+ }
+ }
+ },
+ Self::String(s) => writeln!(f, "{ind}{s}"),
+ }
+ }
+}
+
+impl From<&str> for Element {
+ fn from(value: &str) -> Self {
+ Self::String(value.into())
+ }
+}
+
+impl From<String> for Element {
+ fn from(value: String) -> Self {
+ Self::String(value)
+ }
+}
+
+impl Display for Element {
+ fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+ self.render(f, Indent(0))
+ }
+}
+
+impl Display for Indent {
+ fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+ for _ in 0..self.0 {
+ write!(f, "\t")?;
+ }
+ Ok(())
+ }
+}
+
+impl Indent {
+ fn next(self) -> Self {
+ Self(self.0 + 1)
+ }
+}
+
+#[macro_export]
+macro_rules! html {
+ ($name:ident $([ $($an:tt = $av:expr),* $(,)? ])? { $($tk:tt)* }) => {
+ {
+ #[allow(unused_mut)]
+ let mut tag = crate::html::Tag {
+ name: stringify!($name),
+ args: vec! [
+ $(
+ $(
+ (html!(@ $an), $av.to_string())
+ ),*
+ )?
+ ],
+ children: Vec::new(),
+ self_closing: false,
+ };
+
+ html! {
+ ! tag $($tk)*
+ }
+
+ crate::html::Element::Tag(tag)
+ }
+ };
+ (! $parent:ident $name:ident $([$($args:tt)*])? { $($tk:tt)* } $($rest:tt)*) => {
+ $parent.children.push(html! { $name $([$($args)*])? { $($tk)* } });
+
+ html! {
+ ! $parent $($rest)*
+ }
+ };
+ (! $parent:ident $name:ident $([$($an:ident = $av:expr),*])? ; $($rest:tt)*) => {
+ $parent.children.push(
+ crate::html::Element::Tag(crate::html::Tag {
+ name: stringify!($name),
+ args: vec! [
+ $(
+ $(
+ (html! { @$an}, $av.to_string())
+ ),*
+ )?
+ ],
+ children: Vec::new(),
+ self_closing: true,
+ })
+ );
+
+ html! {
+ ! $parent $($rest)*
+ }
+ };
+ (! $parent:ident $name:ident = $val:expr ; $($rest:tt)*) => {
+ $parent.children.push(crate::html::Element::Tag(crate::html::Tag {
+ name: stringify!($name),
+ args: Vec::new(),
+ children: vec![
+ crate::html::Element::String($val.into())
+ ],
+ self_closing: false,
+ }));
+
+ html! {
+ ! $parent $($rest)*
+ }
+ };
+ (! $parent:ident $s:literal ; $($rest:tt)*) => {
+ $parent.children.push(crate::html::Element::String(format!($s)));
+
+ html! {
+ ! $parent $($rest)*
+ }
+ };
+ (! $parent:ident { $e:expr } $($rest:tt)*) => {
+ $parent.children.push($e.into());
+
+ html! {
+ ! $parent $($rest)*
+ }
+ };
+ (! $parent:ident ? { $e:expr } $($rest:tt)*) => {
+ if let Some(e) = $e {
+ $parent.children.push(e.into());
+ }
+
+ html! {
+ ! $parent $($rest)*
+ }
+ };
+ (! $parent:ident [ $e:expr ] $($rest:tt)*) => {
+ for e in $e {
+ $parent.children.push(e.into());
+ }
+
+ html! {
+ ! $parent $($rest)*
+ }
+ };
+ (! $parent:ident) => {};
+ (@ $i:ident) => { stringify!($i) };
+ (@ $s:literal) => { $s };
+}
blob - /dev/null
blob + f160afdc57b27872393d3c3419d1bd1ce8f4c135 (mode 644)
--- /dev/null
+++ src/main.rs
+use crate::{html::Element, site::route};
+
+mod site;
+mod html;
+
+type Result<T, E = Box<dyn std::error::Error>> = std::result::Result<T, E>;
+
+pub struct Page {
+ title: String,
+ html: Element,
+}
+
+pub struct Request {
+ pub path: String,
+ pub query: String,
+}
+
+fn parse() -> Result<Request> {
+ let (path, query) = if std::env::args().count() >= 2 {
+ let path = std::env::args().nth(1).unwrap();
+ let query = std::env::args().nth(2).unwrap_or_else(String::new);
+ (path, query)
+ } else {
+ let path = std::env::var("DOCUMENT_URI")?;
+ let query = std::env::var("QUERY_STRING")?;
+ (path, query)
+ };
+
+ let path = path
+ .strip_prefix("/test")
+ .expect("failed to strip prefix")
+ .to_string();
+
+ Ok(Request {
+ path,
+ query,
+ })
+}
+
+fn main() -> Result<()> {
+ let req = parse()?;
+ let (page, ok) = match route(&req) {
+ Ok(page) => (page, true),
+ Err(e) => {
+ let page = Page {
+ title: "Internal Server Error".into(),
+ html: html! {
+ main {
+ h1 = "Internal Server Error";
+ p {
+ "Sorry, an error occured.";
+ "Error: {e}";
+ }
+ }
+ }
+ };
+ (page, false)
+ },
+ };
+
+ let top = html! {
+ html {
+ head {
+ title = format!("Test - {}", page.title);
+ style {
+ [
+ include_str!("style.css")
+ .lines()
+ ]
+ }
+ }
+ body [style="background-color: #222; color: #ccc; font-size: 18px"] {
+ {site::menu()}
+ {page.html}
+ }
+ }
+ };
+
+ if !ok {
+ println!("Status: 500 Internal Server Error");
+ }
+ println!("Content-Type: text/html");
+ println!();
+ println!("<!DOCTYPE html>");
+ println!("{top}");
+
+ Ok(())
+}
blob - /dev/null
blob + 2ecb2164438d24a4fe5c5ca38fe1496a88a3339e (mode 644)
--- /dev/null
+++ src/site/cats.rs
+use crate::{site::Page, html, Result, Request};
+
+
+pub fn index(req: &Request) -> Result<Page> {
+ let mut max = 0u32;
+ let q = &req.query;
+
+ for ent in std::fs::read_dir("/htdocs/cats")? {
+ let ent = ent?;
+ let name = ent.file_name();
+ let name = name.to_string_lossy();
+ let Some(name) = name.strip_suffix(".jpg") else { continue };
+ let Ok(id) = name.parse() else { continue };
+ if id > max {
+ max = id;
+ }
+ }
+
+ if max == 0 {
+ return Ok(Page {
+ title: "Error".into(),
+ html: html! {
+ main {
+ h1 = "No Cat Pictures";
+ p = "Sorry, I don't have any cat pictures at the moment.";
+ }
+ }
+ });
+ }
+
+ let id = q.parse().unwrap_or(1u32);
+
+ let maybe_link = |cond, label: &str, target: String| {
+ if cond {
+ html! {
+ a [href=target] {
+ {label}
+ }
+ }
+ } else {
+ label.into()
+ }
+ };
+
+ let html = html! {
+ main [style="width: 1280px; margin-left: auto; margin-right: auto;"] {
+ h1 = "Cats";
+ div [style="border: 1px solid #fff; margin-left: auto; margin-right: auto; display: inline-block; font-size: 20px; height=80vh"] {
+ a [href=format!("/cats/{id}.jpg")] {
+ img [src=format!("/cats/{id}.jpg"), alt="cat picture", style="width: auto; max-width: 100%; max-height: 80vh"];
+ }
+ br;
+ div [align="center"] {
+ {maybe_link(id > 1, "First", ".".into())}
+ " | ";
+ {maybe_link(id > 1, "Prev", format!(".?{}", id - 1))}
+ " | ";
+ {maybe_link(id < max, "Next", format!(".?{}", id + 1))}
+ " | ";
+ {maybe_link(id < max, "Last", format!(".?{}", max))}
+ }
+ }
+ }
+ };
+
+ Ok(Page {
+ title: "Cats".into(),
+ html,
+ })
+}
blob - /dev/null
blob + 10fcd13692ebced9ea3e5396f2b6b4ad3eea3d98 (mode 644)
--- /dev/null
+++ src/site/index.rs
+use crate::{Result, site::Page, html, Request};
+
+pub fn index(_req: &Request) -> Result<Page> {
+ let html = html! {
+ main {
+ h1 = "Index";
+ p = "This is a simple CGI test website.";
+ }
+ };
+ Ok(Page {
+ title: "Index".into(),
+ html,
+ })
+}
blob - /dev/null
blob + e0bab8843979f0282e188af477668371bf19f95f (mode 644)
--- /dev/null
+++ src/site/mod.rs
+use itertools::Itertools;
+use crate::{Result, Page, Request, html, html::Element};
+
+pub type Handler = fn(&Request) -> Result<Page>;
+
+struct Route {
+ prefix: &'static str,
+ handler: Handler,
+ label: Option<(&'static str, u32)>,
+}
+
+mod index;
+mod cats;
+mod time;
+
+macro_rules! routes {
+ [$($prefix:literal => $handler:path $([$($label:tt)+])?),* $(,)?] => {
+ &[
+ $(
+ routes!(! $prefix => $handler $([$($label)+])?)
+ ),*
+ ]
+ };
+ (! $prefix:literal => $handler:path [$label:literal : $weight:expr]) => {
+ Route {
+ prefix: $prefix,
+ handler: $handler,
+ label: Some(($label, $weight)),
+ }
+ };
+ (! $prefix:literal => $handler:path) => {
+ Route {
+ prefix: $prefix,
+ handler: $handler,
+ label: None,
+ }
+ };
+}
+
+fn not_found(req: &Request) -> Result<Page> {
+ let path = &req.path;
+ Ok(Page {
+ title: "Not Found".into(),
+ html: html! {
+ main {
+ h1 = "404 - Not Found";
+ p { "Invalid path: {path:?}"; }
+ }
+ },
+ })
+}
+
+const ROUTES: &[Route] = routes![
+ "/time/" => time::index ["Time" : 2],
+ "/cats/" => cats::index ["Cats" : 1],
+ "/" => index::index ["Index" : 0],
+ "/*" => not_found,
+];
+
+fn matches(path: &str, pattern: &str) -> bool {
+ if pattern.ends_with("/*") {
+ path.ends_with(&pattern[..pattern.len() - 2])
+ } else {
+ path == pattern
+ }
+}
+
+fn find_route<'a>(req: &'a Request) -> &'a Route {
+ ROUTES
+ .iter()
+ .find(|r| matches(&req.path, r.prefix))
+ .expect("failed to find route")
+}
+
+pub fn route(req: &Request) -> Result<Page> {
+ (find_route(req).handler)(req)
+}
+
+#[allow(unstable_name_collisions)]
+pub fn menu() -> Element {
+ html! {
+ nav {
+ [
+ ROUTES
+ .iter()
+ .filter_map(|r| r.label.as_ref().map(|l| (l, r.prefix)))
+ .map(|((l, w), p)| (l, w, p))
+ .sorted_by(|(_, w1, _), (_, w2, _)| w1.cmp(w2))
+ .map(|(l, _, p)| {
+ let p = p.strip_suffix('*').unwrap_or(p);
+ html! {
+ a [href=format!("/test{p}")] { {*l} }
+ }
+ })
+ .intersperse(" | ".into())
+ ]
+ }
+ }
+}
blob - /dev/null
blob + 3f0d74e31198ba166fb4cbb438549557642ba6ce (mode 644)
--- /dev/null
+++ src/site/time.rs
+use chrono::Local;
+use crate::{Request, Result, Page, html};
+
+pub fn index(_req: &Request) -> Result<Page> {
+ let time = Local::now().to_rfc2822();
+ let script = r#"
+async function init() {
+ console.log("Waiting...");
+ await new Promise(res => setTimeout(res, 3000));
+ location.reload();
+}
+window.onload = init;
+"#;
+ Ok(Page {
+ title: "Current Time".into(),
+ html: html! {
+ main {
+ script { "{script}"; }
+ h1 = "The Current System Time";
+ p { "{time}"; }
+ }
+ },
+ })
+}
blob - /dev/null
blob + d94c14ec7f2b62b5fe3b73ee78cf4d02798472af (mode 644)
--- /dev/null
+++ src/style.css
+a {
+ color: dodgerblue;
+}
