include/platal.inc.php

   1 <?php
   2 /***************************************************************************
   3  *  Copyright (C) 2003-2010 Polytechnique.org                              *
   4  *  http://opensource.polytechnique.org/                                   *
   5  *                                                                         *
   6  *  This program is free software; you can redistribute it and/or modify   *
   7  *  it under the terms of the GNU General Public License as published by   *
   8  *  the Free Software Foundation; either version 2 of the License, or      *
   9  *  (at your option) any later version.                                    *
  10  *                                                                         *
  11  *  This program is distributed in the hope that it will be useful,        *
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
  14  *  GNU General Public License for more details.                           *
  15  *                                                                         *
  16  *  You should have received a copy of the GNU General Public License      *
  17  *  along with this program; if not, write to the Free Software            *
  18  *  Foundation, Inc.,                                                      *
  19  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                *
  20  ***************************************************************************/
  21
  22 $TIME_BEGIN = microtime(true);
  23
  24 require_once dirname(__FILE__) . '/version.inc.php';
  25 require_once dirname(__FILE__) . '/misc.inc.php';
  26
  27 define('PERMS_EXT',   'ext');
  28 define('PERMS_USER',  'user');
  29 define('PERMS_ADMIN', 'admin');
  30
  31 define('SKINNED', 0);
  32 define('SIMPLE',  1);
  33 define('NO_SKIN', 2);
  34
  35 define('NO_AUTH', 0);
  36 define('DO_AUTH', 1);
  37 define('NO_HTTPS', 2);
  38
  39 function pl_autoload($cls, array $pathes = array())
  40 {
  41     $cls  = strtolower($cls);
  42     if (starts_with($cls, 'xdb')) {
  43         $cls = 'xdb';
  44     } else if (starts_with($cls, 'pldbtable')) {
  45         $cls = 'pldbtableentry';
  46     }
  47     $basepath = dirname(dirname(dirname(__FILE__)));
  48
  49     array_unshift($pathes, 'core/classes', 'classes');
  50     foreach ($pathes as $path) {
  51         if (file_exists("$basepath/$path/$cls.php")) {
  52             if (include_once "$basepath/$path/$cls.php") {
  53                 return true;
  54             }
  55         }
  56     }
  57     return false;
  58 }
  59 pl_autoload('Env');
  60
  61 function pl_core_include($file)
  62 {
  63     return dirname(__FILE__) . '/' . $file;
  64 }
  65
  66 function pl_error_handler($errno, $errstr, $errfile, $errline)
  67 {
  68
  69     static $errortype;
  70     if (!error_reporting())
  71         return;
  72
  73     if (!isset($errortype)) {
  74         $errortype = array (
  75             E_ERROR           => "Error",
  76             E_WARNING         => "Warning",
  77             E_PARSE           => "Parsing Error",
  78             E_NOTICE          => "Notice",
  79             E_CORE_ERROR      => "Core Error",
  80             E_CORE_WARNING    => "Core Warning",
  81             E_COMPILE_ERROR   => "Compile Error",
  82             E_COMPILE_WARNING => "Compile Warning",
  83             E_USER_ERROR      => "User Error",
  84             E_USER_WARNING    => "User Warning",
  85             E_USER_NOTICE     => "User Notice",
  86             E_STRICT          => "Runtime Notice",
  87             E_RECOVERABLE_ERROR => "Recoverable Error"
  88         );
  89     }
  90
  91     global $globals;
  92     if (isset($globals) && !$globals->debug) {
  93         if ($errno == E_NOTICE || $errno == E_USER_NOTICE || $errno == E_STRICT) {
  94             return;
  95         }
  96     }
  97     $type = isset($errortype[$errno]) ? $errortype[$errno] : $errno;
  98     $error = strpos($type, 'Warning') !== false || strpos($type, 'Error') !==false;
  99     if (!isset(PlBacktrace::$bt['PHP Errors'])) {
 100         new PlBacktrace('PHP Errors');
 101     }
 102     PlBacktrace::$bt['PHP Errors']->newEvent("$type: $errstr",
 103                                              0, $error ? $errstr : null,
 104                                              array(array('file' => $errfile,
 105                                                          'line' => $errline)));
 106 }
 107
 108 function pl_dump_env()
 109 {
 110     echo "<div class='phperror'><pre>";
 111     echo "\nSESSION: " . session_id(); var_dump($_SESSION);
 112     echo "\nPOST:    "; var_dump($_POST);
 113     echo "\nGET:     "; var_dump($_GET);
 114     echo "\nCOOKIE:  "; var_dump($_COOKIE);
 115     echo "</pre></div>";
 116 }
 117
 118 function pl_print_errors($html = false)
 119 {
 120     if (!isset(PlBacktrace::$bt['PHP Errors'])) {
 121         return;
 122     }
 123     foreach (PlBacktrace::$bt['PHP Errors']->traces as $trace) {
 124         if ($html) {
 125             echo "<pre>";
 126         }
 127         print "{$trace['action']}\n";
 128         print "  {$trace['data'][0]['file']}: {$trace['data'][0]['line']}\n";
 129         if ($html) {
 130             echo "</pre>";
 131         }
 132     }
 133 }
 134
 135 set_error_handler('pl_error_handler', E_ALL | E_STRICT);
 136 if (php_sapi_name() == 'cli') {
 137     register_shutdown_function('pl_print_errors');
 138 }
 139 //register_shutdown_function('pl_dump_env');
 140
 141 /** Check if the string is utf8
 142  */
 143 function is_utf8($s)
 144 {
 145     return @iconv('utf-8', 'utf-8', $s) == $s;
 146 }
 147
 148 /** vérifie si une adresse email est bien formatée  * ATTENTION, cette fonction ne doit pas être appelée sur une chaîne ayant subit un addslashes (car elle accepte le "'" qui it alors un "\'"
 149  * @param $email l'adresse email a verifier
 150  * @return BOOL  */
 151 function isvalid_email($email)
 152 {
 153     // la rfc2822 authorise les caractères "a-z", "0-9", "!", "#", "$", "%", "&", "'", "*", "+", "-", "/", "=", "?", "^",  `", "{", "|", "}", "~" aussi bien dans la partie locale que dans le domaine.
 154     // Pour la partie locale, on réduit cet ensemble car il n'est pas utilisé.
 155     // Pour le domaine, le système DNS limite à [a-z0-9.-], on y ajoute le "_" car il est parfois utilisé.
 156     return preg_match("/^[a-z0-9_.'+-]+@[a-z0-9._-]+\.[a-z]{2,6}$/i", $email);
 157 }
 158
 159 function pl_url($path, $query = null, $fragment = null)
 160 {
 161     global $platal;
 162
 163     $base = $platal->ns . $path . ($query ? '?'.$query : '');
 164     return $fragment ? $base.'#'.$fragment : $base;
 165 }
 166
 167 function pl_self($n = null) {
 168     global $platal;
 169     return $platal->pl_self($n);
 170 }
 171
 172 function http_redirect($fullurl)
 173 {
 174     Platal::session()->close();
 175     header('Location: '. $fullurl);
 176     exit;
 177 }
 178
 179 function pl_redirect($path, $query = null, $fragment = null)
 180 {
 181     global $globals;
 182     http_redirect($globals->baseurl . '/' . pl_url($path, $query, $fragment));
 183 }
 184
 185 function pl_entities($text, $mode = ENT_COMPAT)
 186 {
 187     return htmlentities($text, $mode, 'UTF-8');
 188 }
 189
 190 function pl_entity_decode($text, $mode = ENT_COMPAT)
 191 {
 192     return html_entity_decode($text, $mode, 'UTF-8');
 193 }
 194
 195 function pl_flatten_aux(array &$dest, array $src)
 196 {
 197     foreach ($src as $val) {
 198         if (is_array($val)) {
 199             pl_flatten_aux($dest, $val);
 200         } else {
 201             $dest[] = $val;
 202         }
 203     }
 204 }
 205
 206 function pl_flatten(array $array)
 207 {
 208     $res = array();
 209     pl_flatten_aux($res, $array);
 210     return $res;
 211 }
 212
 213 /**
 214  * Returns the path of a static content, including, when appropriate, the
 215  * version number. This is used to avoid cross-version cache issues, by ensuiring
 216  * that all static resources are served on a unique path.
 217  */
 218 function pl_static_content_path($path, $filename)
 219 {
 220     global $globals;
 221     if (isset($globals) && isset($globals->version)) {
 222         return $path . $globals->version . '/' . $filename;
 223     } else {
 224         return $path . $filename;
 225     }
 226 }
 227
 228 /**
 229  * Adds content type headers; by default the encoding used is utf-8.
 230  */
 231 function pl_content_headers($content_type, $encoding = 'utf-8')
 232 {
 233     if (is_null($encoding)) {
 234         header("Content-Type: $content_type");
 235     } else {
 236         header("Content-Type: $content_type; charset=$encoding");
 237     }
 238 }
 239
 240 /**
 241  * Adds content type and caching headers for content generated by plat/al. The
 242  * cache duration defaults to the global static_cache_duration. No encoding is
 243  * applied by default.
 244  */
 245 function pl_cached_content_headers($content_type, $encoding = null, $cache_duration = -1)
 246 {
 247     global $globals;
 248     $cache_duration = ($cache_duration < 0 ? $globals->static_cache_duration : $cache_duration);
 249
 250     header("Cache-Control: max-age=$cache_duration");
 251     header("Expires: " . gmdate('D, d M Y H:i:s', time() + $cache_duration) . " GMT");
 252     header("Pragma: ");
 253     pl_content_headers($content_type, $encoding);
 254 }
 255
 256 /**
 257  * Same as above, but applying an expiration time suitable for cacheable dynamic
 258  * content (eg. photos, logos, ...).
 259  */
 260 function pl_cached_dynamic_content_headers($content_type, $encoding = null)
 261 {
 262     global $globals;
 263     pl_cached_content_headers($content_type, $encoding, $globals->dynamic_cache_duration);
 264 }
 265
 266 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 267 ?>