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->register_prefilter('if_has_perms');
  96         $this->assign('xorg_errors', $this->_errors);
  97         $this->assign('xorg_failure', $this->_failure);
  98         $this->assign('globals', $globals);
  99
 100         if (Env::has('json') && count($this->_jsonVars)) {
 101             return $this->jsonDisplay();
 102         }
 103
 104         if (Env::v('display') == 'light') {
 105             $this->_page_type = SIMPLE;
 106         } elseif (Env::v('display') == 'raw') {
 107             $this->_page_type = NO_SKIN;
 108         } elseif (Env::v('display') == 'full') {
 109             $this->_page_typ = SKINNED;
 110         }
 111
 112         switch ($this->_page_type) {
 113           case NO_SKIN:
 114             if (!($globals->debug & DEBUG_SMARTY)) {
 115                 error_reporting(0);
 116             }
 117             $this->display($this->_tpl);
 118             exit;
 119
 120           case SIMPLE:
 121             $this->assign('simple', true);
 122
 123           case SKINNED:
 124             $this->register_modifier('escape_html', 'escape_html');
 125             $this->default_modifiers = Array('@escape_html');
 126         }
 127         $this->register_outputfilter('hide_emails');
 128         $this->addJsLink('wiki.js');
 129         header("Accept-Charset: utf-8");
 130         if (Env::v('forceXml')) {
 131             header("Content-Type: text/xml; charset=utf-8");
 132         }
 133
 134         if (!$globals->debug) {
 135             error_reporting(0);
 136             $this->display($skin);
 137             exit;
 138         }
 139
 140         $this->assign('validate', true);
 141         if (!($globals->debug & DEBUG_SMARTY)) {
 142             error_reporting(0);
 143         }
 144         $result = $this->fetch($skin);
 145         $ttime  = sprintf('Temps total: %.02fs - Mémoire totale : %dKo<br />', microtime(true) - $TIME_BEGIN
 146                                                                                 , memory_get_peak_usage(true) / 1024);
 147         if ($globals->debug & DEBUG_BT) {
 148             PlBacktrace::clean();
 149             $this->assign_by_ref('backtraces', PlBacktrace::$bt);
 150             $result = str_replace('@@BACKTRACE@@', $this->fetch('skin/common.backtrace.tpl'), $result);
 151         } else {
 152             $result = str_replace('@@BACKTRACE@@', '', $result);
 153         }
 154
 155         $replc  = "<span class='erreur'>VALIDATION HTML INACTIVE</span><br />";
 156         if ($globals->debug & DEBUG_VALID) {
 157             $fd = fopen($this->compile_dir."/valid.html","w");
 158             fwrite($fd, $result);
 159             fclose($fd);
 160
 161             exec($globals->spoolroot."/bin/devel/xhtml.validate.pl ".$this->compile_dir."/valid.html", $val);
 162             foreach ($val as $h) {
 163                 if (preg_match("/^X-W3C-Validator-Errors: (\d+)$/", $h, $m)) {
 164                     $replc = '<span style="color: #080;">HTML OK</span><br />';
 165                     if ($m[1]) {
 166                         $replc = "<span class='erreur'><a href='http://validator.w3.org/check?uri={$globals->baseurl}"
 167                             ."/valid.html&amp;ss=1#result'>{$m[1]} ERREUR(S) !!!</a></span><br />";
 168                     }
 169                     break;
 170                 }
 171             }
 172         }
 173
 174         echo str_replace("@HOOK@", $ttime.$replc, $result);
 175         exit;
 176     }
 177
 178     abstract public function run();
 179
 180     // }}}
 181     // {{{ function nb_errs()
 182
 183     public function nb_errs()
 184     {
 185         return count($this->_errors);
 186     }
 187
 188     // }}}
 189     // {{{ function trig()
 190
 191     public function trig($msg)
 192     {
 193         $this->_errors[] = $msg;
 194     }
 195
 196     // }}}
 197     // {{{ function kill()
 198
 199     public function kill($msg)
 200     {
 201         global $platal;
 202
 203         $this->assign('platal', $platal);
 204         $this->trig($msg);
 205         $this->_failure = true;
 206         $this->run();
 207     }
 208
 209     // }}}
 210     // {{{ function addJsLink
 211
 212     public function addJsLink($path)
 213     {
 214         $this->append('xorg_js', $path);
 215     }
 216
 217     // }}}
 218     // {{{ function addCssLink
 219
 220     public function addCssLink($path)
 221     {
 222         $this->append('xorg_css', $path);
 223     }
 224
 225     // }}}
 226     // {{{ function addCssInline
 227
 228     public function addCssInline($css)
 229     {
 230         if (!empty($css)) {
 231             $this->append('xorg_inline_css', $css);
 232         }
 233     }
 234
 235     // }}}
 236     // {{{ function setRssLink
 237
 238     public function setRssLink($title, $path)
 239     {
 240         $this->assign('xorg_rss', array('title' => $title, 'href' => $path));
 241     }
 242
 243     // }}}
 244     // {{{ function jsonDisplay
 245     protected function jsonDisplay()
 246     {
 247         header("Content-type: text/javascript; charset=utf-8");
 248         array_walk_recursive($this->_jsonVars, "escape_xorgDB");
 249         $jsonbegin = Env::v('jsonBegin');
 250         $jsonend = Env::v('jsonEnd');
 251         if (Env::has('jsonVar')) {
 252             $jsonbegin = Env::v('jsonVar').' = ';
 253             $jsonend = ';';
 254         } elseif (Env::has('jsonFunc')) {
 255             $jsonbegin = Env::v('jsonFunc').'(';
 256             $jsonend = ');';
 257         }
 258         echo $jsonbegin, json_encode($this->_jsonVars), $jsonend;
 259         exit;
 260     }
 261     // }}}
 262     // {{{ function jsonAssign
 263     public function jsonAssign($var, $value)
 264     {
 265         $this->_jsonVars[$var] = $value;
 266     }
 267
 268     // }}}
 269 }
 270
 271 function escape_xorgDB(&$item, $key)
 272 {
 273     if (is_a($item, 'XOrgDBIterator')) {
 274         $expanded = array();
 275         while ($a = $item->next()) {
 276             $expanded[] = $a;
 277         }
 278         $item = $expanded;
 279     }
 280 }
 281
 282 // {{{ function escape_html ()
 283
 284 /**
 285  * default smarty plugin, used to auto-escape dangerous html.
 286  *
 287  * < --> &lt;
 288  * > --> &gt;
 289  * " --> &quot;
 290  * & not followed by some entity --> &amp;
 291  */
 292 function escape_html($string)
 293 {
 294     if (is_string($string)) {
 295         return htmlspecialchars($string, ENT_QUOTES, 'UTF-8');
 296     } else {
 297         return $string;
 298     }
 299 }
 300
 301 // }}}
 302 // {{{ function at_to_globals()
 303
 304 /**
 305  * helper
 306  */
 307
 308 function _to_globals($s) {
 309     global $globals;
 310     $t = explode('.',$s);
 311     if (count($t) == 1) {
 312         return var_export($globals->$t[0],true);
 313     } else {
 314         return var_export($globals->$t[0]->$t[1],true);
 315     }
 316 }
 317
 318 /**
 319  * compilation plugin used to import $globals confing through #globals.foo.bar# directives
 320  */
 321
 322 function at_to_globals($tpl_source, &$smarty)
 323 {
 324     return preg_replace('/#globals\.([a-zA-Z0-9_.]+?)#/e', '_to_globals(\'\\1\')', $tpl_source);
 325 }
 326
 327 // }}}
 328 // {{{  function trimwhitespace
 329
 330 function trimwhitespace($source, &$smarty)
 331 {
 332     $tags = '(script|pre|textarea)';
 333     preg_match_all("!<$tags.*?>.*?</(\\1)>!ius", $source, $tagsmatches);
 334     $source = preg_replace("!<$tags.*?>.*?</(\\1)>!ius", "&&&tags&&&", $source);
 335
 336     // remove all leading spaces, tabs and carriage returns NOT
 337     // preceeded by a php close tag.
 338     $source = preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $source);
 339     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 340
 341     return $source;
 342 }
 343
 344 // }}}
 345 // {{{ function wiki_include
 346
 347 function wiki_include($source, &$smarty)
 348 {
 349     return preg_replace('/\{include( [^}]*)? wiki=([^} ]+)(.*?)\}/ui',
 350                         '{include\1 file="../spool/wiki.d/cache_\2.tpl"\3 included=1}',
 351                         $source);
 352 }
 353
 354 // }}}
 355 //{{{ function hasPerm
 356
 357 function if_has_perms($source, &$smarty)
 358 {
 359     $source = preg_replace('/\{if([^}]*) (\!?)hasPerms\(([^)]+)\)([^}]*)\}/',
 360                            '{if\1 \2$smarty.session.perms->hasFlagCombination(\3)\4}',
 361                            $source);
 362     return preg_replace('/\{if([^}]*) (\!?)hasPerm\(([^)]+)\)([^}]*)\}/',
 363                         '{if\1 \2($smarty.session.perms && $smarty.session.perms->hasFlag(\3))\4}',
 364                         $source);
 365 }
 366
 367 // }}}
 368 // {{{
 369
 370 function form_force_encodings($source, &$smarty)
 371 {
 372     return preg_replace('/<form[^\w]/',
 373                         '\0 accept-charset="utf-8" ',
 374                         $source);
 375 }
 376
 377 // }}}
 378 // {{{ function hide_emails
 379
 380 function _hide_email($source)
 381 {
 382     $source = str_replace("\n", '', $source);
 383     return '<script type="text/javascript">//<![CDATA[' . "\n" .
 384            'Nix.decode("' . addslashes(str_rot13($source)) . '");' . "\n" .
 385            '//]]></script>';
 386 }
 387
 388 function hide_emails($source, &$smarty)
 389 {
 390     if (!strpos($source, '@')) {
 391         return $source;
 392     }
 393
 394     //prevent email replacement in <script> and <textarea>
 395     $tags = '(script|textarea|select)';
 396     preg_match_all("!<$tags.*?>.*?</(\\1)>!ius", $source, $tagsmatches);
 397     $source = preg_replace("!<$tags.*?>.*?</(\\1)>!ius", "&&&tags&&&", $source);
 398
 399     //catch all emails in <a href="mailto:...">
 400     preg_match_all("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", $source, $ahref);
 401     $source = preg_replace("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", '&&&ahref&&&', $source);
 402
 403     //prevant replacement in tag attributes
 404     preg_match_all("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!ius", $source, $misc);
 405     $source = preg_replace("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!ius", '&&&misc&&&', $source);
 406
 407     //catch !
 408     $source = preg_replace('!([-a-z0-9_+.]+@[-a-z0-9_.]+)!iue', '_hide_email("\1")', $source);
 409     $source = preg_replace('!&&&ahref&&&!e', '_hide_email(array_shift($ahref[0]))', $source);
 410
 411     // restore data
 412     $source = preg_replace('!&&&misc&&&!e', 'array_shift($misc[0])', $source);
 413     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 414
 415     return $source;
 416 }
 417
 418 // }}}
 419
 420 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 421 ?>