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 (substr($cls, 0, 3) == 'xdb') {
  43         $cls = 'xdb';
  44     }
  45     $basepath = dirname(dirname(dirname(__FILE__)));
  46
  47     array_unshift($pathes, 'core/classes', 'classes');
  48     foreach ($pathes as $path) {
  49         if (file_exists("$basepath/$path/$cls.php")) {
  50             if (include_once "$basepath/$path/$cls.php") {
  51                 return true;
  52             }
  53         }
  54     }
  55     return false;
  56 }
  57 pl_autoload('Env');
  58
  59 function pl_core_include($file)
  60 {
  61     return dirname(__FILE__) . '/' . $file;
  62 }
  63
  64 function pl_error_handler($errno, $errstr, $errfile, $errline)
  65 {
  66     static $errortype;
  67     if (!error_reporting())
  68         return;
  69
  70     if (!isset($errortype)) {
  71         $errortype = array (
  72             E_ERROR           => "Error",
  73             E_WARNING         => "Warning",
  74             E_PARSE           => "Parsing Error",
  75             E_NOTICE          => "Notice",
  76             E_CORE_ERROR      => "Core Error",
  77             E_CORE_WARNING    => "Core Warning",
  78             E_COMPILE_ERROR   => "Compile Error",
  79             E_COMPILE_WARNING => "Compile Warning",
  80             E_USER_ERROR      => "User Error",
  81             E_USER_WARNING    => "User Warning",
  82             E_USER_NOTICE     => "User Notice",
  83             E_STRICT          => "Runtime Notice",
  84             E_RECOVERABLE_ERROR => "Recoverable Error"
  85         );
  86     }
  87
  88     global $globals;
  89     if (isset($globals) && !$globals->debug) {
  90         if ($errno == E_NOTICE || $errno == E_USER_NOTICE || $errno == E_STRICT) {
  91             return;
  92         }
  93     }
  94
  95     $type = isset($errortype[$errno]) ? $errortype[$errno] : $errno;
  96     $errstr = utf8_encode(htmlentities($errstr));
  97     if (php_sapi_name() == 'cli') {
  98         $GLOBALS['pl_errors'] = "$type: $errstr\n  $errfile:$errline\n";
  99     } else {
 100         $GLOBALS['pl_errors'][] =
 101             "<div class='phperror'>".
 102             "<strong>{$type}</strong> <em>$errstr</em><br />".
 103             "<tt>$errfile : $errline</tt>".
 104             "</div>";
 105     }
 106 }
 107
 108 function pl_clear_errors()
 109 {
 110     unset($GLOBALS['pl_errors']);
 111 }
 112
 113 function pl_dump_env()
 114 {
 115     echo "<div class='phperror'><pre>";
 116     echo "\nSESSION: " . session_id(); var_dump($_SESSION);
 117     echo "\nPOST:    "; var_dump($_POST);
 118     echo "\nGET:     "; var_dump($_GET);
 119     echo "\nCOOKIE:  "; var_dump($_COOKIE);
 120     echo "</pre></div>";
 121 }
 122
 123 function pl_print_errors()
 124 {
 125     if (!empty($GLOBALS['pl_errors'])) {
 126         print join("\n", $GLOBALS['pl_errors']);
 127     }
 128 }
 129
 130 set_error_handler('pl_error_handler', E_ALL | E_STRICT);
 131 register_shutdown_function('pl_print_errors');
 132 //register_shutdown_function('pl_dump_env');
 133
 134 /** Check if the string is utf8
 135  */
 136 function is_utf8($s)
 137 {
 138     return @iconv('utf-8', 'utf-8', $s) == $s;
 139 }
 140
 141 /** 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 "\'"
 142  * @param $email l'adresse email a verifier
 143  * @return BOOL  */
 144 function isvalid_email($email)
 145 {
 146     // la rfc2822 authorise les caractères "a-z", "0-9", "!", "#", "$", "%", "&", "'", "*", "+", "-", "/", "=", "?", "^",  `", "{", "|", "}", "~" aussi bien dans la partie locale que dans le domaine.
 147     // Pour la partie locale, on réduit cet ensemble car il n'est pas utilisé.
 148     // Pour le domaine, le système DNS limite à [a-z0-9.-], on y ajoute le "_" car il est parfois utilisé.
 149     return preg_match("/^[a-z0-9_.'+-]+@[a-z0-9._-]+\.[a-z]{2,6}$/i", $email);
 150 }
 151
 152 function pl_url($path, $query = null, $fragment = null)
 153 {
 154     global $platal;
 155
 156     $base = $platal->ns . $path . ($query ? '?'.$query : '');
 157     return $fragment ? $base.'#'.$fragment : $base;
 158 }
 159
 160 function pl_self($n = null) {
 161     global $platal;
 162     return $platal->pl_self($n);
 163 }
 164
 165 function http_redirect($fullurl)
 166 {
 167     Platal::session()->close();
 168     header('Location: '. $fullurl);
 169     exit;
 170 }
 171
 172 function pl_redirect($path, $query = null, $fragment = null)
 173 {
 174     global $globals;
 175     http_redirect($globals->baseurl . '/' . pl_url($path, $query, $fragment));
 176 }
 177
 178 function pl_entities($text, $mode = ENT_COMPAT)
 179 {
 180     return htmlentities($text, $mode, 'UTF-8');
 181 }
 182
 183 function pl_entity_decode($text, $mode = ENT_COMPAT)
 184 {
 185     return html_entity_decode($text, $mode, 'UTF-8');
 186 }
 187
 188 function pl_flatten_aux(array &$dest, array $src)
 189 {
 190     foreach ($src as $val) {
 191         if (is_array($val)) {
 192             pl_flatten_aux($dest, $val);
 193         } else {
 194             $dest[] = $val;
 195         }
 196     }
 197 }
 198
 199 function pl_flatten(array $array)
 200 {
 201     $res = array();
 202     pl_flatten_aux($res, $array);
 203     return $res;
 204 }
 205
 206 /**
 207  * Returns the path of a static content, including, when appropriate, the
 208  * version number. This is used to avoid cross-version cache issues, by ensuiring
 209  * that all static resources are served on a unique path.
 210  */
 211 function pl_static_content_path($path, $filename)
 212 {
 213     global $globals;
 214     if (isset($globals) && isset($globals->version)) {
 215         return $path . $globals->version . '/' . $filename;
 216     } else {
 217         return $path . $filename;
 218     }
 219 }
 220
 221 /**
 222  * Adds content type headers; by default the encoding used is utf-8.
 223  */
 224 function pl_content_headers($content_type, $encoding = 'utf-8')
 225 {
 226     if (is_null($encoding)) {
 227         header("Content-Type: $content_type");
 228     } else {
 229         header("Content-Type: $content_type; charset=$encoding");
 230     }
 231 }
 232
 233 /**
 234  * Adds content type and caching headers for content generated by plat/al. The
 235  * cache duration defaults to the global static_cache_duration. No encoding is
 236  * applied by default.
 237  */
 238 function pl_cached_content_headers($content_type, $encoding = null, $cache_duration = -1)
 239 {
 240     global $globals;
 241     $cache_duration = ($cache_duration < 0 ? $globals->static_cache_duration : $cache_duration);
 242
 243     header("Cache-Control: max-age=$cache_duration");
 244     header("Expires: " . gmdate('D, d M Y H:i:s', time() + $cache_duration) . " GMT");
 245     header("Pragma: ");
 246     pl_content_headers($content_type, $encoding);
 247 }
 248
 249 /**
 250  * Same as above, but applying an expiration time suitable for cacheable dynamic
 251  * content (eg. photos, logos, ...).
 252  */
 253 function pl_cached_dynamic_content_headers($content_type, $encoding = null)
 254 {
 255     global $globals;
 256     pl_cached_content_headers($content_type, $encoding, $globals->dynamic_cache_duration);
 257 }
 258
 259 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 260 ?>