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diff --git a/.gitignore b/.gitignore
new file mode 100644 (file)
index 0000000..eb5a316
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new file mode 100644 (file)
index 0000000..ba1d00b
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644 (file)
index 0000000..36b6d1c
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,17 @@
+[package]
+name = "gumdrone"
+version = "0.1.0"
+edition = "2021"
+authors = ["Scott Worley <scottworley@scottworley.com>"]
+description = "Order chewing gum from a website"
+license = "AGPL-3.0"
+repository = "https://git.scottworley.com/gumdrone"
+
+[dependencies]
+cgi = "0.6.1-rc1"
+fd-lock = "3"
+rand = "0"
+
+[patch.crates-io]
+# For https://github.com/amandasaurus/rust-cgi/issues/18
+cgi = { git = "https://github.com/chkno/rust-cgi.git", branch = "issue18" }

diff --git a/Changelog.md b/Changelog.md
new file mode 100644 (file)
index 0000000..79e701b
--- /dev/null
+++ b/Changelog.md
@@ -0,0 +1 @@
+# Unreleased

diff --git a/README.md b/README.md
new file mode 100644 (file)
index 0000000..d1344de
--- /dev/null
+++ b/README.md
@@ -0,0 +1,5 @@
+# GumDrone
+
+Order chewing gum from a website
+
+Created for https://manifold.markets/venki/will-drone-delivery-of-groceries-be

diff --git a/src/main.rs b/src/main.rs
new file mode 100644 (file)
index 0000000..16f7782
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,95 @@
+// gumdrone: Order chewing gum from a website
+//
+// This program is free software: you can redistribute it and/or modify it
+// under the terms of the GNU Affero General Public License as published
+// by the Free Software Foundation, version 3.
+
+use std::io::prelude::*;
+
+const ORDERS_FILE: &str = "/var/lib/gumdrone/orders";
+
+const ORDER_PAGE: &str = "<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset=\"utf-8\">
+    <title>Order!</title>
+    <style>
+      td input { width: 3em; }
+    </style>
+  </head>
+  <body>
+    <h1>Order Gum!</h1>
+    <form action='/' method='POST'>
+      <table>
+        <tr><th>Qty</th><th>Product</th></tr>
+        <tr><td><input name='br' value='0'></td><td>Wrigley's Big Red</td></tr>
+        <tr><td><input name='dm' value='0'></td><td>Wrigley's Doublemint</td></tr>
+        <tr><td><input name='ep' value='0'></td><td>Wrigley's Eclipse Peppermint</td></tr>
+        <tr><td><input name='es' value='0'></td><td>Wrigley's Eclipse Spearmint</td></tr>
+        <tr><td><input name='ew' value='0'></td><td>Wrigley's Eclipse Winterfrost</td></tr>
+        <tr><td><input name='xb' value='0'></td><td>Wrigley's Extra Classic Bubble</td></tr>
+        <tr><td><input name='xp' value='0'></td><td>Wrigley's Extra Peppermint</td></tr>
+        <tr><td><input name='xi' value='0'></td><td>Wrigley's Extra Polar Ice</td></tr>
+        <tr><td><input name='ri' value='0'></td><td>Wrigley's Extra Refreshers Polar Ice</td></tr>
+        <tr><td><input name='rs' value='0'></td><td>Wrigley's Extra Refreshers Spearmint</td></tr>
+        <tr><td><input name='xs' value='0'></td><td>Wrigley's Extra Spearmint</td></tr>
+        <tr><td><input name='xw' value='0'></td><td>Wrigley's Extra Sweet Watermellon</td></tr>
+        <tr><td><input name='xf' value='0'></td><td>Wrigley's Extra Winterfresh</td></tr>
+        <tr><td><input name='to' value='0'></td><td>Wrigley's Hubba Bubba Bubble Tape Original</td></tr>
+        <tr><td><input name='tr' value='0'></td><td>Wrigley's Hubba Bubba Bubble Tape Sour Blue Raspberry</td></tr>
+        <tr><td><input name='ho' value='0'></td><td>Wrigley's Hubba Bubba Max Original</td></tr>
+        <tr><td><input name='hr' value='0'></td><td>Wrigley's Hubba Bubba Max Sour Blue Raspberry</td></tr>
+        <tr><td><input name='hw' value='0'></td><td>Wrigley's Hubba Bubba Max Strawberry Watermellon</td></tr>
+        <tr><td><input name='jf' value='0'></td><td>Wrigley's Juicy Fruit</td></tr>
+        <tr><td><input name='sp' value='0'></td><td>Wrigley's Spearmint</td></tr>
+        <tr><td><input name='wf' value='0'></td><td>Wrigley's Winterfresh</td></tr>
+      </table>
+      <div>Address: <input name='address'></div>
+      <div><input type='submit' value='Order'></div>
+    </form>
+  </body>
+</html>";
+
+fn prompt_for_order(_: &cgi::Request) -> Result<cgi::Response, cgi::Response> {
+    Ok(cgi::html_response(200, ORDER_PAGE))
+}
+
+fn write_order(order: &[u8]) -> std::io::Result<()> {
+    let datum = [order, b"\n"].concat();
+    let ofile = std::fs::File::options()
+        .append(true)
+        .create(true)
+        .open(ORDERS_FILE)?;
+    let mut vlock = fd_lock::RwLock::new(ofile);
+    vlock.write()?.write_all(&datum)?;
+    Ok(())
+}
+
+fn record_order(request: &cgi::Request) -> Result<cgi::Response, cgi::Response> {
+    let body = request.body();
+    write_order(body).map_err(|_| cgi::text_response(503, "Couldn't record order"))?;
+    Ok(cgi::text_response(200, "Order recorded"))
+}
+
+fn strip_body(mut response: cgi::Response) -> cgi::Response {
+    response.body_mut().clear();
+    response
+}
+
+fn respond(request: &cgi::Request) -> Result<cgi::Response, cgi::Response> {
+    match *request.method() {
+        cgi::http::Method::HEAD => prompt_for_order(request).map(strip_body),
+        cgi::http::Method::GET => prompt_for_order(request),
+        cgi::http::Method::PUT => record_order(request),
+        _ => Err(cgi::text_response(405, "Huh?")),
+    }
+}
+
+fn respond_or_report_error(request: cgi::Request) -> cgi::Response {
+    match respond(&request) {
+        Ok(result) => result,
+        Err(error) => error,
+    }
+}
+
+cgi::cgi_main! { respond_or_report_error }