mirror of
https://codeberg.org/Codeberg/pages-server.git
synced 2025-02-24 05:03:56 +00:00
106 lines
3.2 KiB
PHP
106 lines
3.2 KiB
PHP
<?php
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function send_response($code, $message) {
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http_response_code($code);
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echo $message;
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exit();
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}
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$request_url = filter_var($_SERVER["PHP_SELF"], FILTER_SANITIZE_URL);
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if ($request_url === "/") {
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send_response(200, "
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<meta name='viewport' content='width=device-width, initial-scale=1.0'>
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<html>
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<head>
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<title>Codeberg Pages</title>
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</head>
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<body>
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<div style='height: 100%; display: flex; align-items: center; justify-content: center;'>
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<center>
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<h1>Codeberg Pages. Static Pages for your Projects.</h1>
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<p>Create a repo named 'pages' in your user account or org, push static content, HTML, style, fonts, images.</p>
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<p>Share your rendered content via: <pre>https://" . $_SERVER["HTTP_HOST"] . "/<username>/</pre></p>
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<p>Welcome to <a href='https://codeberg.org'>Codeberg.org</a>!</p>
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</center>
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</div>
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</body>
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</html>
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");
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}
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if (preg_match("/^\/[a-zA-Z0-9_ +\-\/\.]+\$/", $request_url) != 1) {
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send_response(404, "invalid request URL");
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}
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$git_prefix = "/data/git/gitea-repositories";
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$parts = explode("/", $request_url);
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array_shift($parts); # remove empty first
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$owner = strtolower(array_shift($parts));
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$git_root = realpath("$git_prefix/$owner/pages.git");
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if (substr($git_root, 0, strlen($git_prefix)) !== $git_prefix) {
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send_response(404, "this user/organization does not have codeberg pages");
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}
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if (end($parts) === '') {
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array_shift($parts);
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}
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$file_url = implode("/", $parts);
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if ($file_url === "") {
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$file_url = "index.html";
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}
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$ext = pathinfo($file_url, PATHINFO_EXTENSION);
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$ext = strtolower($ext);
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$mime_types = array(
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"svg" => "image/svg+xml",
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"png" => "image/png",
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"jpg" => "image/jpeg",
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"jpeg" => "image/jpeg",
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"gif" => "image/gif",
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"js" => "application/javascript",
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"html" => "text/html",
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"css" => "text/css",
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"ico" => "image/x-icon",
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"woff" => "font/woff",
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"woff2" => "font/woff2",
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"ttf" => "font/ttf"
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);
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if (array_key_exists($ext, $mime_types)) {
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$mime_type = $mime_types[$ext];
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} else {
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$mime_type = "text/plain";
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}
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header("Content-Type: " . $mime_type);
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$command = "sh -c \"cd '$git_root' && /usr/bin/git show 'master:$file_url'\"";
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## We are executing command twice (first for send_response-checking, then for actual raw output to stream),
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## which seems wasteful, but it seems exec+echo cannot do raw binary output? Is this true?
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exec($command, $output, $retval);
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if ($retval != 0) {
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# Try to append index.html to path, in case it was an abbreviated folder. Whatever happens from now on, we will always render HTML:
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header("Content-Type: text/html");
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$command = "sh -c \"cd '$git_root' && /usr/bin/git show 'master:$file_url/index.html'\"";
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exec($command, $output, $retval);
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if ($retval != 0) {
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# Render user-provided 404.html if exists, generic 404 message if not:
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$command = "sh -c \"cd '$git_root' && /usr/bin/git show 'master:404.html'\"";
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exec($command, $output, $retval);
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if ($retval != 0) {
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send_response(404 , "no such file in repo: '" . htmlspecialchars($file_url) . "'");
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}
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http_response_code(404);
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}
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}
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## If we could directly exec+echo raw output from above, we wouldn't need to execute command twice:
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passthru($command);
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