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     var $_page_type;
  27     var $_tpl;
  28     var $_errors;
  29     var $_failure;
  30
  31     // defaults
  32     var $caching          = false;
  33     var $config_overwrite = false;
  34     var $use_sub_dirs     = false;
  35
  36     // {{{ function PlatalPage()
  37
  38     function PlatalPage($tpl, $type = SKINNED)
  39     {
  40         global $globals;
  41
  42         $this->Smarty();
  43
  44         $this->template_dir  = $globals->spoolroot."/templates/";
  45         $this->compile_dir   = $globals->spoolroot."/spool/templates_c/";
  46         array_unshift($this->plugins_dir, $globals->spoolroot."/plugins/");
  47         $this->config_dir    = $globals->spoolroot."/configs/";
  48
  49         $this->compile_check = !empty($globals->debug);
  50
  51         $this->_page_type = $type;
  52         $this->_tpl       = $tpl;
  53         $this->_errors    = array();
  54         $this->_failure   = false;
  55
  56         $this->register_prefilter('at_to_globals');
  57         $this->register_prefilter('trimwhitespace');
  58         $this->register_prefilter('form_force_encodings');
  59         $this->addJsLink('xorg.js');
  60     }
  61
  62     // }}}
  63     // {{{ function changeTpl()
  64
  65     function changeTpl($tpl, $type = SKINNED)
  66     {
  67         $this->_tpl       = $tpl;
  68             $this->_page_type = $type;
  69         $this->assign('xorg_tpl', $tpl);
  70     }
  71
  72     // }}}
  73     // {{{ function _run()
  74
  75     function _run($skin)
  76     {
  77         global $globals, $TIME_BEGIN;
  78
  79         session_write_close();
  80
  81         $this->assign('xorg_errors', $this->_errors);
  82         $this->assign('xorg_failure', $this->_failure);
  83         $this->assign('globals', $globals);
  84
  85         if (Env::v('display') == 'light') {
  86             $this->_page_type = SIMPLE;
  87         } elseif (Env::v('display') == 'raw') {
  88             $this->_page_type = NO_SKIN;
  89         } elseif (Env::v('display') == 'full') {
  90             $this->_page_typ = SKINNED;
  91         }
  92
  93         switch ($this->_page_type) {
  94           case NO_SKIN:
  95             error_reporting(0);
  96             $this->display($this->_tpl);
  97             exit;
  98
  99           case SIMPLE:
 100             $this->assign('simple', true);
 101
 102           case SKINNED:
 103             $this->register_modifier('escape_html', 'escape_html');
 104                 $this->default_modifiers = Array('@escape_html');
 105         }
 106         $this->register_outputfilter('hide_emails');
 107         $this->addJsLink('wiki.js');
 108         header("Accept-Charset: utf-8");
 109
 110         if (!$globals->debug) {
 111             error_reporting(0);
 112             $this->display($skin);
 113             exit;
 114         }
 115
 116         if ($globals->debug & 1) {
 117             $this->assign('db_trace', XDB::trace_format($this, 'skin/common.database-debug.tpl'));
 118         }
 119
 120         $this->assign('validate', true);
 121         error_reporting(0);
 122         $result = $this->fetch($skin);
 123         $ttime  = sprintf('Temps total: %.02fs<br />', microtime_float() - $TIME_BEGIN);
 124         $replc  = "<span class='erreur'>VALIDATION HTML INACTIVE</span><br />";
 125
 126         if ($globals->debug & 2) {
 127
 128             $fd = fopen($this->compile_dir."/valid.html","w");
 129             fwrite($fd, $result);
 130             fclose($fd);
 131
 132             exec($globals->spoolroot."/bin/devel/xhtml.validate.pl ".$this->compile_dir."/valid.html", $val);
 133             foreach ($val as $h) {
 134                 if (preg_match("/^X-W3C-Validator-Errors: (\d+)$/", $h, $m)) {
 135                     $replc = '<span style="color: #080;">HTML OK</span><br />';
 136                     if ($m[1]) {
 137                         $replc = "<span class='erreur'><a href='http://validator.w3.org/check?uri={$globals->baseurl}"
 138                             ."/valid.html&amp;ss=1#result'>{$m[1]} ERREUR(S) !!!</a></span><br />";
 139                     }
 140                     break;
 141                 }
 142             }
 143         }
 144
 145         echo str_replace("@HOOK@", $ttime.$replc, $result);
 146         exit;
 147     }
 148
 149     // }}}
 150     // {{{ function nb_errs()
 151
 152     function nb_errs()
 153     {
 154         return count($this->_errors);
 155     }
 156
 157     // }}}
 158     // {{{ function trig()
 159
 160     function trig($msg)
 161     {
 162         $this->_errors[] = $msg;
 163     }
 164
 165     // }}}
 166     // {{{ function kill()
 167
 168     function kill($msg)
 169     {
 170         global $platal;
 171
 172         $this->assign('platal', $platal);
 173         $this->trig($msg);
 174         $this->_failure = true;
 175         $this->run();
 176     }
 177
 178     // }}}
 179     // {{{ function addJsLink
 180
 181     function addJsLink($path)
 182     {
 183         $this->append('xorg_js', $path);
 184     }
 185
 186     // }}}
 187     // {{{ function addCssLink
 188
 189     function addCssLink($path)
 190     {
 191         $this->append('xorg_css', $path);
 192     }
 193
 194     // }}}
 195     // {{{ function addCssInline
 196
 197     function addCssInline($css)
 198     {
 199         if (!empty($css)) {
 200             $this->append('xorg_inline_css', $css);
 201         }
 202     }
 203
 204     // }}}
 205     // {{{ function setRssLink
 206
 207     function setRssLink($title, $path)
 208     {
 209         $this->assign('xorg_rss', array('title' => $title, 'href' => $path));
 210     }
 211
 212     // }}}
 213 }
 214
 215 // {{{ function escape_html ()
 216
 217 /**
 218  * default smarty plugin, used to auto-escape dangerous html.
 219  *
 220  * < --> &lt;
 221  * > --> &gt;
 222  * " --> &quot;
 223  * & not followed by some entity --> &amp;
 224  */
 225 function escape_html($string)
 226 {
 227     if (is_string($string)) {
 228         $transtbl = Array('<' => '&lt;', '>' => '&gt;', '"' => '&quot;', '\'' => '&#39;');
 229         return preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,4};)/", "&amp;" , strtr($string, $transtbl));
 230     } else {
 231         return $string;
 232     }
 233 }
 234
 235 // }}}
 236 // {{{ function at_to_globals()
 237
 238 /**
 239  * helper
 240  */
 241
 242 function _to_globals($s) {
 243     global $globals;
 244     $t = explode('.',$s);
 245     if (count($t) == 1) {
 246         return var_export($globals->$t[0],true);
 247     } else {
 248         return var_export($globals->$t[0]->$t[1],true);
 249     }
 250 }
 251
 252 /**
 253  * compilation plugin used to import $globals confing through #globals.foo.bar# directives
 254  */
 255
 256 function at_to_globals($tpl_source, &$smarty)
 257 {
 258     return preg_replace('/#globals\.([a-zA-Z0-9_.]+?)#/e', '_to_globals(\'\\1\')', $tpl_source);
 259 }
 260
 261 // }}}
 262 // {{{  function trimwhitespace
 263
 264 function trimwhitespace($source, &$smarty)
 265 {
 266     $tags = '(script|pre|textarea)';
 267     preg_match_all("!<$tags.*?>.*?</$tags>!ius", $source, $tagsmatches);
 268     $source = preg_replace("!<$tags.*?>.*?</$tags>!ius", "&&&tags&&&", $source);
 269
 270     // remove all leading spaces, tabs and carriage returns NOT
 271     // preceeded by a php close tag.
 272     $source = preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $source);
 273     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 274
 275     return $source;
 276 }
 277
 278 // }}}
 279 // {{{
 280
 281 function form_force_encodings($source, &$smarty)
 282 {
 283     return preg_replace('/<form[^\w]/',
 284                         '\0 accept-charset="utf-8" ',
 285                         $source);
 286 }
 287
 288 // }}}
 289 // {{{ function hide_emails
 290
 291 function _hide_email($source)
 292 {
 293     $source = str_replace("\n", '', $source);
 294     return '<script type="text/javascript">//<![CDATA[' . "\n" .
 295            'Nix.decode("' . addslashes(str_rot13($source)) . '");' . "\n" .
 296            '//]]></script>';
 297 }
 298
 299 function hide_emails($source, &$smarty)
 300 {
 301     //prevent email replacement in <script> and <textarea>
 302     $tags = '(script|textarea|select)';
 303     preg_match_all("!<$tags.*?>.*?</$tags>!ius", $source, $tagsmatches);
 304     $source = preg_replace("!<$tags.*?>.*?</$tags>!ius", "&&&tags&&&", $source);
 305
 306     //catch all emails in <a href="mailto:...">
 307     preg_match_all("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", $source, $ahref);
 308     $source = preg_replace("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'].*?>.*?</a>!ius", '&&&ahref&&&', $source);
 309
 310     //prevant replacement in tag attributes
 311     preg_match_all("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!is", $source, $misc);
 312     $source = preg_replace("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+.+?>!is", '&&&misc&&&', $source);
 313
 314     //catch !
 315     $source = preg_replace('!([-a-z0-9_+.]+@[-a-z0-9_.]+)!ie', '_hide_email("\1")', $source);
 316     $source = preg_replace('!&&&ahref&&&!e', '_hide_email(array_shift($ahref[0]))', $source);
 317
 318     // restore data
 319     $source = preg_replace('!&&&misc&&&!e', 'array_shift($misc[0])', $source);
 320     $source = preg_replace("!&&&tags&&&!e",  'array_shift($tagsmatches[0])', $source);
 321
 322     return $source;
 323 }
 324
 325 // }}}
 326
 327 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 328 ?>