2019-10-18 00:54:11 +02:00
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<?php
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2019-10-23 23:50:06 +02:00
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function send_response($code, $message) {
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http_response_code($code);
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echo $message;
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exit();
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2019-10-18 00:54:11 +02:00
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}
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2019-10-23 23:50:06 +02:00
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$request_url = filter_var($_SERVER["PHP_SELF"], FILTER_SANITIZE_URL);
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2019-10-18 00:54:11 +02:00
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2019-10-23 23:50:06 +02:00
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if ($request_url === "/") {
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send_response(200, "
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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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<h1>Codeberg Pages. Static Pages for your Project.</h1>
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<p>
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Create a repo called 'pages' to your user account or org, push static content including HTML+CSS styles, fonts, images.
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</p>
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<p>
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Access your rendered pages via:
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<pre>
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https://" . $_SERVER["HTTP_HOST"] . "/<username>/
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</pre>
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</p>
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</body>
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</html>
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");
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2019-10-18 00:54:11 +02:00
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}
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2019-10-23 23:50:06 +02:00
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if (preg_match("/^\/[a-zA-Z0-9_ +\-\/\.]+\$/", $request_url) != 1) {
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send_response(404, "invalid request URL");
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2019-10-18 00:54:11 +02:00
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}
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2019-10-23 23:50:06 +02:00
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$git_prefix = "/data/git/gitea-repositories";
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2019-10-18 00:54:11 +02:00
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$parts = explode("/", $request_url);
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array_shift($parts); # remove empty first
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2019-10-18 09:48:43 +02:00
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$owner = strtolower(array_shift($parts));
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2019-10-23 23:50:06 +02:00
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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($parts);
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}
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2019-10-18 00:54:11 +02:00
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2019-10-23 23:50:06 +02:00
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if (sizeof($parts) === 0 || strpos(end($parts), ".") === false) {
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$h = "Location: https://" . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"];
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if (substr($h, -1) != "/") {
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$h .= "/";
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}
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$h .= "index.html";
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header($h);
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exit();
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2019-10-18 00:54:11 +02:00
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}
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2019-10-23 23:50:06 +02:00
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$file_url = implode("/", $parts);
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2019-10-18 00:54:11 +02:00
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$command = "sh -c \"cd '$git_root' && /usr/bin/git show 'master:$file_url'\"";
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2019-10-23 23:50:06 +02:00
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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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2019-10-18 00:54:11 +02:00
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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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2019-10-23 23:50:06 +02:00
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send_response(404 , "no such file in repo: '" . htmlspecialchars($file_url) . "'");
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2019-10-18 00:54:11 +02:00
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}
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2019-10-23 23:50:06 +02:00
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$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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);
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2019-10-18 00:54:11 +02:00
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$ext = pathinfo($file_url, PATHINFO_EXTENSION);
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2019-10-18 09:48:43 +02:00
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$ext = strtolower($ext);
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2019-10-23 23:50:06 +02:00
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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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2019-10-18 00:54:11 +02:00
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}
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2019-10-23 23:50:06 +02:00
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header("Content-Type: " . $mime_type);
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2019-10-18 00:54:11 +02:00
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## If we could directly implode+echo raw output from above, we wouldn't need to execute command twice:
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passthru($command);
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?>
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