Created
June 20, 2010 01:42
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web server in php to serve markdown documents as html
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| <?php | |
| /** | |
| * The web server for Markdown document. | |
| * | |
| * The useless server developed as a learning exercise. | |
| * | |
| * Will serve every `*.markdown` file in current directory as html file. | |
| * note: uses a modified markdown for syntax highlighting: http://gist.github.com/113004 | |
| */ | |
| require 'Markdown/markdown.php'; | |
| class Server | |
| { | |
| private $stream; | |
| private $socket; | |
| private $socketErrno; | |
| private $socketErrstr; | |
| private $options = array( | |
| 'host' => '127.0.0.1', | |
| 'port' => 8080, | |
| ); | |
| public function __construct($options=array()) { | |
| $this->options = array_merge($this->options, $options); | |
| } | |
| public function run() | |
| { | |
| set_time_limit(0); | |
| $localSocket = 'tcp://' . $this->options['host'] . ':' . $this->options['port']; | |
| $this->stream = stream_socket_server( | |
| $localSocket, | |
| $this->socketErrno, | |
| $this->socketErrstr | |
| ); | |
| if (false === $this->stream) { | |
| throw new Exception('Cannot create socket stream: ' . $this->socketErrstr); | |
| } | |
| echo 'Server listening on ' . $localSocket . PHP_EOL; | |
| stream_set_blocking($this->stream, 0); | |
| while(true) { | |
| $this->socket = stream_socket_accept($this->stream); | |
| // we assume url will not be longer than 512 chars | |
| $request = stream_get_line($this->socket, 512, "\n"); | |
| $matches = array(); | |
| preg_match('/(\w*)\s([^\s]*)\s(\w*)\/(\d\.\d)/', $request, $matches); | |
| $verb = $matches[1]; | |
| $document = $matches[2]; | |
| $protocol = $matches[3]; | |
| $protocolVersion = $matches[4]; | |
| $response = "HTTP/1.1 200 OK\n" | |
| . "Server: BasicHttpServer\n" | |
| . "Content-Type: text/html; charset=utf-8\n" | |
| . "\n"; | |
| if ($document == '/') { | |
| $response .= $this->getIndex(); | |
| } elseif ((strtolower($document) == '/favicon.ico')){ | |
| continue; | |
| } else { | |
| $response .= '<p><a href="/">back to index</a><p>' . PHP_EOL; | |
| $filename = basename($document); | |
| $response .= Markdown(file_get_contents($filename)); | |
| } | |
| fwrite($this->socket, $response, strlen($response)); | |
| fclose($this->socket); | |
| } | |
| } | |
| private function getHeader() | |
| { | |
| return '<!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <title>Markdown Server</title> | |
| </head> | |
| <body>'; | |
| } | |
| private function getFooter() | |
| { | |
| return '</body></html>'; | |
| } | |
| private function getIndex() | |
| { | |
| $page = $this->getHeader() . PHP_EOL . '<ul>'; | |
| foreach(glob(dirname(__FILE__) . '/*.markdown') as $filename) { | |
| $filename = basename($filename); | |
| $page .= '<li><a href="/'.$filename.'">' . str_replace('.markdown', '', $filename) . '</a></li>'; | |
| } | |
| $page .= '</ul>'; | |
| return $page; | |
| } | |
| } | |
| $server = new Server(); | |
| $server->run(); |
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