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     $basepath = dirname(dirname(dirname(__FILE__)));
  43
  44     array_unshift($pathes, 'core/classes', 'classes');
  45     foreach ($pathes as $path) {
  46         if (file_exists("$basepath/$path/$cls.php")) {
  47             if (include_once "$basepath/$path/$cls.php") {
  48                 return true;
  49             }
  50         }
  51     }
  52     return false;
  53 }
  54 pl_autoload('Env');
  55
  56 function pl_core_include($file)
  57 {
  58     return dirname(__FILE__) . '/' . $file;
  59 }
  60
  61 function pl_error_handler($errno, $errstr, $errfile, $errline)
  62 {
  63     static $errortype;
  64     if (!error_reporting())
  65         return;
  66
  67     if (!isset($errortype)) {
  68         $errortype = array (
  69             E_ERROR           => "Error",
  70             E_WARNING         => "Warning",
  71             E_PARSE           => "Parsing Error",
  72             E_NOTICE          => "Notice",
  73             E_CORE_ERROR      => "Core Error",
  74             E_CORE_WARNING    => "Core Warning",
  75             E_COMPILE_ERROR   => "Compile Error",
  76             E_COMPILE_WARNING => "Compile Warning",
  77             E_USER_ERROR      => "User Error",
  78             E_USER_WARNING    => "User Warning",
  79             E_USER_NOTICE     => "User Notice",
  80             E_STRICT          => "Runtime Notice",
  81             E_RECOVERABLE_ERROR => "Recoverable Error"
  82         );
  83     }
  84
  85     global $globals;
  86     if (isset($globals) && !$globals->debug) {
  87         if ($errno == E_NOTICE || $errno == E_USER_NOTICE || $errno == E_STRICT) {
  88             return;
  89         }
  90     }
  91
  92     $type = isset($errortype[$errno]) ? $errortype[$errno] : $errno;
  93     $errstr = utf8_encode(htmlentities($errstr));
  94     if (php_sapi_name() == 'cli') {
  95         $GLOBALS['pl_errors'] = "$type: $errstr\n  $errfile:$errline\n";
  96     } else {
  97         $GLOBALS['pl_errors'][] =
  98             "<div class='phperror'>".
  99             "<strong>{$type}</strong> <em>$errstr</em><br />".
 100             "<tt>$errfile : $errline</tt>".
 101             "</div>";
 102     }
 103 }
 104
 105 function pl_clear_errors()
 106 {
 107     unset($GLOBALS['pl_errors']);
 108 }
 109
 110 function pl_dump_env()
 111 {
 112     echo "<div class='phperror'><pre>";
 113     echo "\nSESSION: " . session_id(); var_dump($_SESSION);
 114     echo "\nPOST:    "; var_dump($_POST);
 115     echo "\nGET:     "; var_dump($_GET);
 116     echo "\nCOOKIE:  "; var_dump($_COOKIE);
 117     echo "</pre></div>";
 118 }
 119
 120 function pl_print_errors()
 121 {
 122     if (!empty($GLOBALS['pl_errors'])) {
 123         print join("\n", $GLOBALS['pl_errors']);
 124     }
 125 }
 126
 127 set_error_handler('pl_error_handler', E_ALL | E_STRICT);
 128 register_shutdown_function('pl_print_errors');
 129 //register_shutdown_function('pl_dump_env');
 130
 131 /** Check if the string is utf8
 132  */
 133 function is_utf8($s)
 134 {
 135     return @iconv('utf-8', 'utf-8', $s) == $s;
 136 }
 137
 138 /** 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 "\'"
 139  * @param $email l'adresse email a verifier
 140  * @return BOOL  */
 141 function isvalid_email($email)
 142 {
 143     // la rfc2822 authorise les caractères "a-z", "0-9", "!", "#", "$", "%", "&", "'", "*", "+", "-", "/", "=", "?", "^",  `", "{", "|", "}", "~" aussi bien dans la partie locale que dans le domaine.
 144     // Pour la partie locale, on réduit cet ensemble car il n'est pas utilisé.
 145     // Pour le domaine, le système DNS limite à [a-z0-9.-], on y ajoute le "_" car il est parfois utilisé.
 146     return preg_match("/^[a-z0-9_.'+-]+@[a-z0-9._-]+\.[a-z]{2,6}$/i", $email);
 147 }
 148
 149 function pl_url($path, $query = null, $fragment = null)
 150 {
 151     global $platal;
 152
 153     $base = $platal->ns . $path . ($query ? '?'.$query : '');
 154     return $fragment ? $base.'#'.$fragment : $base;
 155 }
 156
 157 function pl_self($n = null) {
 158     global $platal;
 159     return $platal->pl_self($n);
 160 }
 161
 162 function http_redirect($fullurl)
 163 {
 164     Platal::session()->close();
 165     header('Location: '. $fullurl);
 166     exit;
 167 }
 168
 169 function pl_redirect($path, $query = null, $fragment = null)
 170 {
 171     global $globals;
 172     http_redirect($globals->baseurl . '/' . pl_url($path, $query, $fragment));
 173 }
 174
 175 function pl_entities($text, $mode = ENT_COMPAT)
 176 {
 177     return htmlentities($text, $mode, 'UTF-8');
 178 }
 179
 180 function pl_entity_decode($text, $mode = ENT_COMPAT)
 181 {
 182     return html_entity_decode($text, $mode, 'UTF-8');
 183 }
 184
 185 /**
 186  * Returns the path of a static content, including, when appropriate, the
 187  * version number. This is used to avoid cross-version cache issues, by ensuiring
 188  * that all static resources are served on a unique path.
 189  */
 190 function pl_static_content_path($path, $filename)
 191 {
 192     global $globals;
 193     if (isset($globals) && isset($globals->version)) {
 194         return $path . $globals->version . '/' . $filename;
 195     } else {
 196         return $path . $filename;
 197     }
 198 }
 199
 200 /**
 201  * Adds content type headers; by default the encoding used is utf-8.
 202  */
 203 function pl_content_headers($content_type, $encoding = 'utf-8')
 204 {
 205     if (is_null($encoding)) {
 206         header("Content-Type: $content_type");
 207     } else {
 208         header("Content-Type: $content_type; charset=$encoding");
 209     }
 210 }
 211
 212 /**
 213  * Adds content type and caching headers for content generated by plat/al. The
 214  * cache duration defaults to the global static_cache_duration. No encoding is
 215  * applied by default.
 216  */
 217 function pl_cached_content_headers($content_type, $encoding = null, $cache_duration = -1)
 218 {
 219     global $globals;
 220     $cache_duration = ($cache_duration < 0 ? $globals->static_cache_duration : $cache_duration);
 221
 222     header("Cache-Control: max-age=$cache_duration");
 223     header("Expires: " . gmdate('D, d M Y H:i:s', time() + $cache_duration) . " GMT");
 224     header("Pragma: ");
 225     pl_content_headers($content_type, $encoding);
 226 }
 227
 228 /**
 229  * Same as above, but applying an expiration time suitable for cacheable dynamic
 230  * content (eg. photos, logos, ...).
 231  */
 232 function pl_cached_dynamic_content_headers($content_type, $encoding = null)
 233 {
 234     global $globals;
 235     pl_cached_content_headers($content_type, $encoding, $globals->dynamic_cache_duration);
 236 }
 237
 238 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 239 ?>