php-framework-skeleton

Skeleton for php-framework
git clone git://git.finwo.net/misc/php-framework-skeleton
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init.php (3304B)

      1 <?php
      2 
      3 // Entry point for SGI-like httpd
      4 
      5 $f      = fopen('php://stdin', 'r');
      6 $line   = str_replace("\r",'',str_replace("\r\n", "\n", fgets($f)));
      7 $tokens = explode(' ', $line);
      8 
      9 $_SERVER['REQUEST_METHOD'] = array_shift($tokens);
     10 $_SERVER['REQUEST_URI']    = array_shift($tokens);
     11 
     12 // Keep it simple
     13 $statusCodes = array(
     14     200 => 'OK',
     15     400 => 'Bad Request',
     16     404 => 'Not Found',
     17     500 => 'Internal Server Error',
     18 );
     19 $mimeTypes = array(
     20     'css'  => 'text/css',
     21     'htm'  => 'text/html',
     22     'html' => 'text/html',
     23     'js'   => 'text/javascript',
     24 );
     25 
     26 $status      = 200;
     27 $headers     = array();
     28 ob_start(function( $buffer ) {
     29     global $status;
     30     global $statusCodes;
     31     global $headers;
     32     $extra  = 'HTTP/1.0 '.$status.' '.$statusCodes[$status].PHP_EOL;
     33     $extra .= 'Content-Length: '.strlen($buffer) . PHP_EOL;
     34     foreach ($headers as $header) $extra .= $header . PHP_EOL;
     35     $extra .= PHP_EOL;
     36     return $extra . $buffer;
     37 });
     38 
     39 // Make sure we support this
     40 if(!in_array($_SERVER['REQUEST_METHOD'],array('GET'))) {
     41     $status = 501;
     42     die('The requested method has not (yet) been implemented'.PHP_EOL);
     43 }
     44 
     45 // Some security
     46 if (strpos($_SERVER['REQUEST_URI'], '..')!==false) {
     47     $status = 400;
     48     die('You\'ve send something we don\'t understand or allow'.PHP_EOL);
     49 }
     50 
     51 // Read headers
     52 while(($line=str_replace("\r",'',str_replace("\r\n", "\n", fgets($f))))!="\n") {
     53     while(substr(rtrim($line), -1)=="\\") {
     54         $line  = rtrim($line);
     55         $line  = substr($line, 0, strlen($line)-1);
     56         $line .= str_replace("\r",'',str_replace("\r\n", "\n", fgets($f)));
     57     }
     58     list($key, $value) = array_map('trim', explode(':', $line, 2));
     59     $_SERVER['HTTP_'.strtoupper(str_replace('-','_',$key))] = $value;
     60 }
     61 
     62 $params = explode('?', $_SERVER['REQUEST_URI'], 2);
     63 $path   = rtrim(__DIR__,'/').'/'.trim(array_shift($params),'/');
     64 $ext    = @array_pop(explode('.',$path));
     65 
     66 function set_deep($path, &$dataHolder = array(), $value = null) {
     67     $keys = explode('.', $path);
     68     while (count($keys)) {
     69         $dataHolder = &$dataHolder[array_shift($keys)];
     70     }
     71     $dataHolder = $value;
     72 }
     73 
     74 if(count($params)) {
     75     $params = array_shift($params);
     76     $_GET   = array();
     77     $variables = explode('&', $params);
     78     foreach ($variables as $variable) {
     79         $components = explode('=', $variable);
     80         $key        = str_replace(array( '[', ']' ), array( '.', '' ), urldecode(array_shift($components)));
     81         $value      = urldecode(array_shift($components));
     82         set_deep($key, $_GET, $value);
     83     }
     84 }
     85 
     86 if(is_dir($path)) {
     87     foreach(
     88         array(
     89             $path . '/index.php',
     90             $path . '/index.html',
     91             $path . '/index.htm',
     92         ) as $file
     93     ) {
     94         if(is_file($file)) {
     95             $path = $file;
     96             break;
     97         }
     98     }
     99 }
    100 
    101 if(is_file($path)) {
    102     switch($ext) {
    103         case 'php':
    104             include $path;
    105             exit(0);
    106         default:
    107             if(isset($mimeTypes[$ext])) $headers[]='Content-Type: '.$mimeTypes[$ext];
    108             $headers[]='Expires:'.date('c',time()+300);
    109             readfile($path);
    110             exit(0);
    111     }
    112 }
    113 if(is_file(rtrim(__DIR__,'/').'/app.php')) {
    114     include $path;
    115     exit(0);
    116 }
    117 
    118 $status = 404;
    119 die('We could not find the page you\'re looking for.'.PHP_EOL);