classes/platalpage.php

   1 <?php
   2 /***************************************************************************
   3  *  Copyright (C) 2003-2007 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 require_once 'smarty/libs/Smarty.class.php';
  23
  24 abstract class PlatalPage extends Smarty
  25 {
  26     private $_page_type;
  27     private $_tpl;
  28     private $_errors;
  29     private $_failure;
  30     private $_jsonVars;
  31
  32     // {{{ function PlatalPage()
  33
  34     public function __construct($tpl, $type = SKINNED)
  35     {
  36         parent::Smarty();
  37
  38         global $globals;
  39
  40         $this->caching       = false;
  41         $this->config_overwrite = false;
  42         $this->use_sub_dirs  = false;
  43         $this->template_dir  = $globals->spoolroot."/templates/";
  44         $this->compile_dir   = $globals->spoolroot."/spool/templates_c/";
  45         array_unshift($this->plugins_dir, $globals->spoolroot."/plugins/");
  46         $this->config_dir    = $globals->spoolroot."/configs/";
  47
  48         $this->compile_check = !empty($globals->debug);
  49
  50         $this->changeTpl($tpl, $type);
  51         $this->_errors    = array();
  52         $this->_jsonVars  = array();
  53         $this->_failure   = false;
  54
  55         if ($globals->mode != 'rw') {
  56             $this->_errors[] = "En raison d'une maintenance, une partie des fonctionnalités du site sont actuellement"
  57                              . " désactivée, en particuliers aucune donnée ne sera sauvegardée";
  58         }
  59         $this->register_prefilter('at_to_globals');
  60         $this->addJsLink('xorg.js');
  61     }
  62
  63     // }}}
  64     // {{{ function changeTpl()
  65
  66     public function changeTpl($tpl, $type = SKINNED)
  67     {
  68       $this->_tpl       = $tpl;
  69       $this->_page_type = $type;
  70       $this->assign('xorg_tpl', $tpl);
  71     }
  72
  73     // }}}
  74     // {{{ function raw()
  75
  76     public function raw()
  77     {
  78         global $globals;
  79         $this->assign('globals', $globals);
  80         return $this->fetch($this->_tpl);
  81     }
  82
  83     // }}}
  84     // {{{ function _run()
  85
  86     protected function _run($skin)
  87     {
  88         global $globals, $TIME_BEGIN;
  89
  90         session_write_close();
  91
  92         $this->register_prefilter('trimwhitespace');
  93         $this->register_prefilter('form_force_encodings');
  94         $this->register_prefilter('wiki_include');
  95         $this->assign('xorg_errors', $this->_errors);
  96         $this->assign('xorg_failure', $this->_failure);
  97         $this->assign('globals', $globals);
  98
  99         if (Env::has('json') && count($this->_jsonVars)) {
 100             return $this->jsonDisplay();
 101         }
 102
 103         if (Env::v('display') == 'light') {
 104             $this->_page_type = SIMPLE;
 105         } elseif (Env::v('display') == 'raw') {
 106             $this->_page_type = NO_SKIN;
 107         } elseif (Env::v('display') == 'full') {
 108             $this->_page_typ = SKINNED;
 109         }
 110
 111         switch ($this->_page_type) {
 112           case NO_SKIN:
 113             if (!($globals->debug & DEBUG_SMARTY)) {
 114                 error_reporting(0);
 115             }
 116             $this->display($this->_tpl);
 117             exit;
 118
 119           case SIMPLE:
 120             $this->assign('simple', true);
 121
 122           case SKINNED:
 123             $this->register_modifier('escape_html', 'escape_html');
 124             $this->default_modifiers = Array('@escape_html');
 125         }
 126         $this->register_outputfilter('hide_emails');
 127         $this->addJsLink('wiki.js');
 128         header("Accept-Charset: utf-8");
 129         if (Env::v('forceXml')) {
 130             header("Content-Type: text/xml; charset=utf-8");
 131         }
 132
 133         if (!$globals->debug) {
 134             error_reporting(0);
 135             $this->display($skin);
 136             exit;
 137         }
 138
 139         $this->assign('validate', true);
 140         if (!($globals->debug & DEBUG_SMARTY)) {
 141             error_reporting(0);
 142         }
 143         $result = $this->fetch($skin);
 144         $ttime  = sprintf('Temps total: %.02fs - Mémoire totale : %dKo<br />', microtime(true) - $TIME_BEGIN
 145                                                                                 , memory_get_peak_usage(true) / 1024);
 146         if ($globals->debug & DEBUG_BT) {
 147             PlBacktrace::clean();
 148             $this->assign_by_ref('backtraces', PlBacktrace::$bt);
 149             $result = str_replace('@@BACKTRACE@@', $this->fetch('skin/common.backtrace.tpl'), $result);
 150         } else {
 151             $result = str_replace('@@BACKTRACE@@', '', $result);
 152         }
 153
 154         $replc  = "<span class='erreur'>VALIDATION HTML INACTIVE</span><br />";
 155         if ($globals->debug & DEBUG_VALID) {
 156             $fd = fopen($this->compile_dir."/valid.html","w");
 157             fwrite($fd, $result);
 158             fclose($fd);
 159
 160             exec($globals->spoolroot."/bin/devel/xhtml.validate.pl ".$this->compile_dir."/valid.html", $val);
 161             foreach ($val as $h) {
 162                 if (preg_match("/^X-W3C-Validator-Errors: (\d+)$/", $h, $m)) {
 163                     $replc = '<span style="color: #080;">HTML OK</span><br />';
 164                     if ($m[1]) {
 165                         $replc = "<span class='erreur'><a href='http://validator.w3.org/check?uri={$globals->baseurl}"
 166                             ."/valid.html&amp;ss=1#result'>{$m[1]} ERREUR(S) !!!</a></span><br />";
 167                     }
 168                     break;
 169                 }
 170             }
 171         }
 172
 173         echo str_replace("@HOOK@", $ttime.$replc, $result);
 174         exit;
 175     }
 176
 177     abstract public function run();
 178
 179     // }}}
 180     // {{{ function nb_errs()
 181
 182     public function nb_errs()
 183     {
 184         return count($this->_errors);
 185     }
 186
 187     // }}}
 188     // {{{ function trig()
 189
 190     public function trig($msg)
 191     {
 192         $this->_errors[] = $msg;
 193     }
 194
 195     // }}}
 196     // {{{ function kill()
 197
 198     public function kill($msg)
 199     {
 200         global $platal;
 201
 202         $this->assign('platal', $platal);
 203         $this->trig($msg);
 204         $this->_failure = true;
 205         $this->run();
 206     }
 207
 208     // }}}
 209     // {{{ function addJsLink
 210
 211     public function addJsLink($path)
 212     {
 213         $this->append('xorg_js', $path);
 214     }
 215
 216     // }}}
 217     // {{{ function addCssLink
 218
 219     public function addCssLink($path)
 220     {
 221         $this->append('xorg_css', $path);
 222     }
 223
 224     // }}}
 225     // {{{ function addCssInline
 226
 227     public function addCssInline($css)
 228     {
 229         if (!empty($css)) {
 230             $this->append('xorg_inline_css', $css);
 231         }
 232     }
 233
 234     // }}}
 235     // {{{ function setRssLink
 236
 237     public function setRssLink($title, $path)
 238     {
 239         $this->assign('xorg_rss', array('title' => $title, 'href' => $path));
 240     }
 241
 242     // }}}
 243     // {{{ function jsonDisplay
 244     protected function jsonDisplay()
 245     {
 246         header("Content-type: text/javascript; charset=utf-8");
 247         array_walk_recursive($this->_jsonVars, "escape_xorgDB");
 248         $jsonbegin = Env::v('jsonBegin');
 249         $jsonend = Env::v('jsonEnd');
 250         if (Env::has('jsonVar')) {
 251             $jsonbegin = Env::v('jsonVar').' = ';
 252             $jsonend = ';';
 253         } elseif (Env::has('jsonFunc')) {
 254             $jsonbegin = Env::v('jsonFunc').'(';
 255             $jsonend = ');';
 256         }
 257         echo $jsonbegin, json_encode($this->_jsonVars), $jsonend;
 258         exit;
 259     }
 260     // }}}
 261     // {{{ function jsonAssign
 262     public function jsonAssign($var, $value)
 263     {
 264         $this->_jsonVars[$var] = $value;
 265     }
 266
 267     // }}}
 268 }
 269
 270 function escape_xorgDB(&$item, $key)
 271 {
 272     if (is_a($item, 'XOrgDBIterator')) {
 273         $expanded = array();
 274         while ($a = $item->next()) {
 275             $expanded[] = $a;
 276         }
 277         $item = $expanded;
 278     }
 279 }
 280
 281 // {{{ function escape_html ()
 282
 283 /**
 284  * default smarty plugin, used to auto-escape dangerous html.
 285  *
 286  * < --> &lt;
 287  * > --> &gt;
 288  * " --> &quot;
 289  * & not followed by some entity --> &amp;
 290  */
 291 function escape_html($string)
 292 {
 293     if (is_string($string)) {
 294         return htmlspecialchars($string, ENT_QUOTES, 'UTF-8');
 295     } else {
 296         return $string;
 297     }
 298 }
 299
 300 // }}}
 301 // {{{ function at_to_globals()
 302
 303 /**
 304  * helper
 305  */
 306
 307 function _to_globals($s) {
 308     global $globals;
 309     $t = explode('.',$s);
 310     if (count($t) == 1) {
 311         return var_export($globals->$t[0],true);
 312     } else {
 313         return var_export($globals->$t[0]->$t[1],true);
 314     }
 315 }
 316
 317 /**
 318  * compilation plugin used to import $globals confing through #globals.foo.bar# directives
 319  */
 320
 321 function at_to_globals($tpl_source, &$smarty)
 322 {
 323     return preg_replace('/#globals\.([a-zA-Z0-9_.]+?)#/e', '_to_globals(\'\\1\')', $tpl_source);
 324 }
 325
 326 // }}}
 327 // {{{  function trimwhitespace
 328
 329 function trimwhitespace($source, &$smarty)
 330 {
 331     $tags = '(script|pre|textarea)';
 332     preg_match_all("!<$tags.*?>.*?</(\\1)>!ius", $source, $tagsmatches);
 333     $source = preg_replace("!<$tags.*?>.*?</(\\1)>!ius", "&&&tags&&&", $source);
 334
 335     // remove all leading spaces, tabs and carriage returns NOT
 336     // preceeded by a php close tag.
 337     $source = preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $source);
 338     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 339
 340     return $source;
 341 }
 342
 343 // }}}
 344 // {{{ function wiki_include
 345
 346 function wiki_include($source, &$smarty)
 347 {
 348     return preg_replace('/\{include( [^}]*)? wiki=([^} ]+)(.*?)\}/ui',
 349                         '{include\1 file="../spool/wiki.d/cache_\2.tpl"\3 included=1}',
 350                         $source);
 351 }
 352
 353 // }}}
 354 // {{{
 355
 356 function form_force_encodings($source, &$smarty)
 357 {
 358     return preg_replace('/<form[^\w]/',
 359                         '\0 accept-charset="utf-8" ',
 360                         $source);
 361 }
 362
 363 // }}}
 364 // {{{ function hide_emails
 365
 366 function _hide_email($source)
 367 {
 368     $source = str_replace("\n", '', $source);
 369     return '<script type="text/javascript">//<![CDATA[' . "\n" .
 370            'Nix.decode("' . addslashes(str_rot13($source)) . '");' . "\n" .
 371            '//]]></script>';
 372 }
 373
 374 function hide_emails($source, &$smarty)
 375 {
 376     if (!strpos($source, '@')) {
 377         return $source;
 378     }
 379
 380     //prevent email replacement in <script> and <textarea>
 381     $tags = '(script|textarea|select)';
 382     preg_match_all("!<$tags.*?>.*?</(\\1)>!ius", $source, $tagsmatches);
 383     $source = preg_replace("!<$tags.*?>.*?</(\\1)>!ius", "&&&tags&&&", $source);
 384
 385     //catch all emails in <a href="mailto:...">
 386     preg_match_all("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", $source, $ahref);
 387     $source = preg_replace("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", '&&&ahref&&&', $source);
 388
 389     //prevant replacement in tag attributes
 390     preg_match_all("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!ius", $source, $misc);
 391     $source = preg_replace("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!ius", '&&&misc&&&', $source);
 392
 393     //catch !
 394     $source = preg_replace('!([-a-z0-9_+.]+@[-a-z0-9_.]+)!iue', '_hide_email("\1")', $source);
 395     $source = preg_replace('!&&&ahref&&&!e', '_hide_email(array_shift($ahref[0]))', $source);
 396
 397     // restore data
 398     $source = preg_replace('!&&&misc&&&!e', 'array_shift($misc[0])', $source);
 399     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 400
 401     return $source;
 402 }
 403
 404 // }}}
 405
 406 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 407 ?>