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 class PlatalPage extends Smarty
  25 {
  26     private $_page_type;
  27     private $_tpl;
  28     private $_errors;
  29     private $_failure;
  30
  31     // {{{ function PlatalPage()
  32
  33     public function __construct($tpl, $type = SKINNED)
  34     {
  35         parent::Smarty();
  36
  37         global $globals;
  38
  39         $this->caching       = false;
  40         $this->config_overwrite = false;
  41         $this->use_sub_dirs  = false;
  42         $this->template_dir  = $globals->spoolroot."/templates/";
  43         $this->compile_dir   = $globals->spoolroot."/spool/templates_c/";
  44         array_unshift($this->plugins_dir, $globals->spoolroot."/plugins/");
  45         $this->config_dir    = $globals->spoolroot."/configs/";
  46
  47         $this->compile_check = !empty($globals->debug);
  48
  49         $this->_page_type = $type;
  50         $this->_tpl       = $tpl;
  51         $this->_errors    = array();
  52         $this->_failure   = false;
  53
  54         $this->register_prefilter('at_to_globals');
  55         $this->register_prefilter('trimwhitespace');
  56         $this->register_prefilter('form_force_encodings');
  57         $this->addJsLink('xorg.js');
  58     }
  59
  60     // }}}
  61     // {{{ function changeTpl()
  62
  63     public function changeTpl($tpl, $type = SKINNED)
  64     {
  65         $this->_tpl       = $tpl;
  66             $this->_page_type = $type;
  67         $this->assign('xorg_tpl', $tpl);
  68     }
  69
  70     // }}}
  71     // {{{ function _run()
  72
  73     protected function _run($skin)
  74     {
  75         global $globals, $TIME_BEGIN;
  76
  77         session_write_close();
  78
  79         $this->assign('xorg_errors', $this->_errors);
  80         $this->assign('xorg_failure', $this->_failure);
  81         $this->assign('globals', $globals);
  82
  83         if (Env::v('display') == 'light') {
  84             $this->_page_type = SIMPLE;
  85         } elseif (Env::v('display') == 'raw') {
  86             $this->_page_type = NO_SKIN;
  87         } elseif (Env::v('display') == 'full') {
  88             $this->_page_typ = SKINNED;
  89         }
  90
  91         switch ($this->_page_type) {
  92           case NO_SKIN:
  93             error_reporting(0);
  94             $this->display($this->_tpl);
  95             exit;
  96
  97           case SIMPLE:
  98             $this->assign('simple', true);
  99
 100           case SKINNED:
 101             $this->register_modifier('escape_html', 'escape_html');
 102                 $this->default_modifiers = Array('@escape_html');
 103         }
 104         $this->register_outputfilter('hide_emails');
 105         $this->addJsLink('wiki.js');
 106         header("Accept-Charset: utf-8");
 107
 108         if (!$globals->debug) {
 109             error_reporting(0);
 110             $this->display($skin);
 111             exit;
 112         }
 113
 114         if ($globals->debug & 1) {
 115             PlBacktrace::clean();
 116             $this->assign_by_ref('backtraces', PlBacktrace::$bt);
 117         }
 118
 119         $this->assign('validate', true);
 120         error_reporting(0);
 121         $result = $this->fetch($skin);
 122         $ttime  = sprintf('Temps total: %.02fs - Mémoire totale : %dKo<br />', microtime(true) - $TIME_BEGIN
 123                                                                                 , memory_get_peak_usage(true) / 1024);
 124         $replc  = "<span class='erreur'>VALIDATION HTML INACTIVE</span><br />";
 125
 126         if ($globals->debug & 2) {
 127             $fd = fopen($this->compile_dir."/valid.html","w");
 128             fwrite($fd, $result);
 129             fclose($fd);
 130
 131             exec($globals->spoolroot."/bin/devel/xhtml.validate.pl ".$this->compile_dir."/valid.html", $val);
 132             foreach ($val as $h) {
 133                 if (preg_match("/^X-W3C-Validator-Errors: (\d+)$/", $h, $m)) {
 134                     $replc = '<span style="color: #080;">HTML OK</span><br />';
 135                     if ($m[1]) {
 136                         $replc = "<span class='erreur'><a href='http://validator.w3.org/check?uri={$globals->baseurl}"
 137                             ."/valid.html&amp;ss=1#result'>{$m[1]} ERREUR(S) !!!</a></span><br />";
 138                     }
 139                     break;
 140                 }
 141             }
 142         }
 143
 144         echo str_replace("@HOOK@", $ttime.$replc, $result);
 145         exit;
 146     }
 147
 148     // }}}
 149     // {{{ function nb_errs()
 150
 151     public function nb_errs()
 152     {
 153         return count($this->_errors);
 154     }
 155
 156     // }}}
 157     // {{{ function trig()
 158
 159     public function trig($msg)
 160     {
 161         $this->_errors[] = $msg;
 162     }
 163
 164     // }}}
 165     // {{{ function kill()
 166
 167     public function kill($msg)
 168     {
 169         global $platal;
 170
 171         $this->assign('platal', $platal);
 172         $this->trig($msg);
 173         $this->_failure = true;
 174         $this->run();
 175     }
 176
 177     // }}}
 178     // {{{ function addJsLink
 179
 180     public function addJsLink($path)
 181     {
 182         $this->append('xorg_js', $path);
 183     }
 184
 185     // }}}
 186     // {{{ function addCssLink
 187
 188     public function addCssLink($path)
 189     {
 190         $this->append('xorg_css', $path);
 191     }
 192
 193     // }}}
 194     // {{{ function addCssInline
 195
 196     public function addCssInline($css)
 197     {
 198         if (!empty($css)) {
 199             $this->append('xorg_inline_css', $css);
 200         }
 201     }
 202
 203     // }}}
 204     // {{{ function setRssLink
 205
 206     public function setRssLink($title, $path)
 207     {
 208         $this->assign('xorg_rss', array('title' => $title, 'href' => $path));
 209     }
 210
 211     // }}}
 212 }
 213
 214 // {{{ function escape_html ()
 215
 216 /**
 217  * default smarty plugin, used to auto-escape dangerous html.
 218  *
 219  * < --> &lt;
 220  * > --> &gt;
 221  * " --> &quot;
 222  * & not followed by some entity --> &amp;
 223  */
 224 function escape_html($string)
 225 {
 226     if (is_string($string)) {
 227         $transtbl = Array('<' => '&lt;', '>' => '&gt;', '"' => '&quot;', '\'' => '&#39;');
 228             return strtr($string, $transtbl);
 229     } else {
 230             return $string;
 231     }
 232 }
 233
 234 // }}}
 235 // {{{ function at_to_globals()
 236
 237 /**
 238  * helper
 239  */
 240
 241 function _to_globals($s) {
 242     global $globals;
 243     $t = explode('.',$s);
 244     if (count($t) == 1) {
 245         return var_export($globals->$t[0],true);
 246     } else {
 247         return var_export($globals->$t[0]->$t[1],true);
 248     }
 249 }
 250
 251 /**
 252  * compilation plugin used to import $globals confing through #globals.foo.bar# directives
 253  */
 254
 255 function at_to_globals($tpl_source, &$smarty)
 256 {
 257     return preg_replace('/#globals\.([a-zA-Z0-9_.]+?)#/e', '_to_globals(\'\\1\')', $tpl_source);
 258 }
 259
 260 // }}}
 261 // {{{  function trimwhitespace
 262
 263 function trimwhitespace($source, &$smarty)
 264 {
 265     $tags = '(script|pre|textarea)';
 266     preg_match_all("!<$tags.*?>.*?</(\\1)>!ius", $source, $tagsmatches);
 267     $source = preg_replace("!<$tags.*?>.*?</(\\1)>!ius", "&&&tags&&&", $source);
 268
 269     // remove all leading spaces, tabs and carriage returns NOT
 270     // preceeded by a php close tag.
 271     $source = preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $source);
 272     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 273
 274     return $source;
 275 }
 276
 277 // }}}
 278 // {{{
 279
 280 function form_force_encodings($source, &$smarty)
 281 {
 282     return preg_replace('/<form[^\w]/',
 283                         '\0 accept-charset="utf-8" ',
 284                         $source);
 285 }
 286
 287 // }}}
 288 // {{{ function hide_emails
 289
 290 function _hide_email($source)
 291 {
 292     $source = str_replace("\n", '', $source);
 293     return '<script type="text/javascript">//<![CDATA[' . "\n" .
 294            'Nix.decode("' . addslashes(str_rot13($source)) . '");' . "\n" .
 295            '//]]></script>';
 296 }
 297
 298 function hide_emails($source, &$smarty)
 299 {
 300     //prevent email replacement in <script> and <textarea>
 301     $tags = '(script|textarea|select)';
 302     preg_match_all("!<$tags.*?>.*?</(\\1)>!ius", $source, $tagsmatches);
 303     $source = preg_replace("!<$tags.*?>.*?</(\\1)>!ius", "&&&tags&&&", $source);
 304
 305     //catch all emails in <a href="mailto:...">
 306     preg_match_all("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", $source, $ahref);
 307     $source = preg_replace("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", '&&&ahref&&&', $source);
 308
 309     //prevant replacement in tag attributes
 310     preg_match_all("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!ius", $source, $misc);
 311     $source = preg_replace("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!ius", '&&&misc&&&', $source);
 312
 313     //catch !
 314     $source = preg_replace('!([-a-z0-9_+.]+@[-a-z0-9_.]+)!iue', '_hide_email("\1")', $source);
 315     $source = preg_replace('!&&&ahref&&&!e', '_hide_email(array_shift($ahref[0]))', $source);
 316
 317     // restore data
 318     $source = preg_replace('!&&&misc&&&!e', 'array_shift($misc[0])', $source);
 319     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 320
 321     return $source;
 322 }
 323
 324 // }}}
 325
 326 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 327 ?>