classes/platalpage.php

   1 <?php
   2 /***************************************************************************
   3  *  Copyright (C) 2003-2006 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', $globals);
  84
  85         switch ($this->_page_type) {
  86           case NO_SKIN:
  87             error_reporting(0);
  88             $this->display($this->_tpl);
  89             exit;
  90
  91           case SIMPLE:
  92             $this->assign('simple', true);
  93
  94           case SKINNED:
  95             $this->register_modifier('escape_html', 'escape_html');
  96                 $this->default_modifiers = Array('@escape_html');
  97         }
  98         $this->register_outputfilter('hide_emails');
  99         $this->addJsLink('wiki.js');
 100         header("Accept-Charset: iso-8859-15, latin9, us-ascii, ascii");
 101
 102         if (!$globals->debug) {
 103             error_reporting(0);
 104             $this->display($skin);
 105             exit;
 106         }
 107
 108         if ($globals->debug & 1) {
 109             $this->assign('db_trace', XDB::trace_format($this, 'skin/common.database-debug.tpl'));
 110         }
 111
 112         $this->assign('validate', true);
 113         error_reporting(0);
 114         $result = $this->fetch($skin);
 115         $ttime  = sprintf('Temps total: %.02fs<br />', microtime_float() - $TIME_BEGIN);
 116         $replc  = "<span class='erreur'>VALIDATION HTML INACTIVE</span><br />";
 117
 118         if ($globals->debug & 2) {
 119
 120             $fd = fopen($this->compile_dir."/valid.html","w");
 121             fwrite($fd, $result);
 122             fclose($fd);
 123
 124             exec($globals->spoolroot."/bin/devel/xhtml.validate.pl ".$this->compile_dir."/valid.html", $val);
 125             foreach ($val as $h) {
 126                 if (preg_match("/^X-W3C-Validator-Errors: (\d+)$/", $h, $m)) {
 127                     $replc = '<span style="color: #080;">HTML OK</span><br />';
 128                     if ($m[1]) {
 129                         $replc = "<span class='erreur'><a href='http://validator.w3.org/check?uri={$globals->baseurl}"
 130                             ."/valid.html&amp;ss=1#result'>{$m[1]} ERREUR(S) !!!</a></span><br />";
 131                     }
 132                     break;
 133                 }
 134             }
 135         }
 136
 137         echo str_replace("@HOOK@", $ttime.$replc, $result);
 138         exit;
 139     }
 140
 141     // }}}
 142     // {{{ function nb_errs()
 143
 144     function nb_errs()
 145     {
 146         return count($this->_errors);
 147     }
 148
 149     // }}}
 150     // {{{ function trig()
 151
 152     function trig($msg)
 153     {
 154         $this->_errors[] = $msg;
 155     }
 156
 157     // }}}
 158     // {{{ function kill()
 159
 160     function kill($msg)
 161     {
 162         global $platal;
 163
 164         $this->assign('platal', $platal);
 165         $this->trig($msg);
 166         $this->_failure = true;
 167         $this->run();
 168     }
 169
 170     // }}}
 171     // {{{ function addJsLink
 172
 173     function addJsLink($path)
 174     {
 175         $this->append('xorg_js', $path);
 176     }
 177
 178     // }}}
 179     // {{{ function addCssLink
 180
 181     function addCssLink($path)
 182     {
 183         $this->append('xorg_css', $path);
 184     }
 185
 186     // }}}
 187     // {{{ function setRssLink
 188
 189     function setRssLink($title, $path)
 190     {
 191         $this->assign('xorg_rss', array('title' => $title, 'href' => $path));
 192     }
 193
 194     // }}}
 195 }
 196
 197 // {{{ function escape_html ()
 198
 199 /**
 200  * default smarty plugin, used to auto-escape dangerous html.
 201  *
 202  * < --> &lt;
 203  * > --> &gt;
 204  * " --> &quot;
 205  * & not followed by some entity --> &amp;
 206  */
 207 function escape_html($string)
 208 {
 209     if (is_string($string)) {
 210         $transtbl = Array('<' => '&lt;', '>' => '&gt;', '"' => '&quot;', '\'' => '&#39;');
 211         return preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,4};)/", "&amp;" , strtr($string, $transtbl));
 212     } else {
 213         return $string;
 214     }
 215 }
 216
 217 // }}}
 218 // {{{ function at_to_globals()
 219
 220 /**
 221  * helper
 222  */
 223
 224 function _to_globals($s) {
 225     global $globals;
 226     $t = explode('.',$s);
 227     if (count($t) == 1) {
 228         return var_export($globals->$t[0],true);
 229     } else {
 230         return var_export($globals->$t[0]->$t[1],true);
 231     }
 232 }
 233
 234 /**
 235  * compilation plugin used to import $globals confing through #globals.foo.bar# directives
 236  */
 237
 238 function at_to_globals($tpl_source, &$smarty)
 239 {
 240     return preg_replace('/#globals\.([a-zA-Z0-9_.]+?)#/e', '_to_globals(\'\\1\')', $tpl_source);
 241 }
 242
 243 // }}}
 244 // {{{  function trimwhitespace
 245
 246 function trimwhitespace($source, &$smarty)
 247 {
 248     $tags = array('script', 'pre', 'textarea');
 249
 250     foreach ($tags as $tag) {
 251         preg_match_all("!<{$tag}[^>]+>.*?</{$tag}>!is", $source, ${$tag});
 252         $source = preg_replace("!<{$tag}[^>]+>.*?</{$tag}>!is", "&&&{$tag}&&&", $source);
 253     }
 254
 255     // remove all leading spaces, tabs and carriage returns NOT
 256     // preceeded by a php close tag.
 257     $source = preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $source);
 258
 259     foreach ($tags as $tag) {
 260         $source = preg_replace("!&&&{$tag}&&&!e",  'array_shift(${$tag}[0])', $source);
 261     }
 262
 263     return $source;
 264 }
 265
 266 // }}}
 267 // {{{
 268
 269 function form_force_encodings($source, &$smarty)
 270 {
 271     return preg_replace('/<form[^\w]/',
 272                         '\0 accept-charset="iso-8859-15 latin9 us-ascii ascii" ',
 273                         $source);
 274 }
 275
 276 // }}}
 277 // {{{ function hide_emails
 278
 279 function _hide_email($source)
 280 {
 281     $source = str_replace("\n", '', $source);
 282     return '<script type="text/javascript">//<![CDATA[' . "\n" .
 283            'Nix.decode("' . addslashes(str_rot13($source)) . '");' . "\n" .
 284            '//]]></script>';
 285 }
 286
 287 function hide_emails($source, &$smarty)
 288 {
 289     //prevent email replacement in <script> and <textarea>
 290     $tags = array('script', 'textarea', 'select');
 291
 292     foreach ($tags as $tag) {
 293         preg_match_all("!<{$tag}[^>]+>.*?</{$tag}>!is", $source, ${$tag});
 294         $source = preg_replace("!<{$tag}[^>]+>.*?</{$tag}>!is", "&&&{$tag}&&&", $source);
 295     }
 296
 297     //catch all emails in <a href="mailto:...">
 298     preg_match_all("!<a[^>]+href=[\"'][^\"']*[-a-z0-9_.]+@[-a-z0-9_.]+[^\"']*[\"'][^>]*>.*?</a>!is", $source, $ahref);
 299     $source = preg_replace("!<a[^>]+href=[\"'][^\"']*[-a-z0-9_.]+@[-a-z0-9_.]+[^\"']*[\"'][^>]*>.*?</a>!is", '&&&ahref&&&', $source);
 300
 301     //prevant replacement in tag attributes
 302     preg_match_all("!<[^>]+[-a-z0-9_.]+@[-a-z0-9_.]+[^>]+>!is", $source, $misc);
 303     $source = preg_replace("!<[^>]+[-a-z0-9_.]+@[-a-z0-9_.]+[^>]+>!is", '&&&misc&&&', $source);
 304
 305     //catch !
 306     $source = preg_replace('!([-a-z0-9_.]+@[-a-z0-9_.]+)!ie', '_hide_email("\1")', $source);
 307     $source = preg_replace('!&&&ahref&&&!e', '_hide_email(array_shift($ahref[0]))', $source);
 308
 309     // restore data
 310     $source = preg_replace('!&&&misc&&&!e', 'array_shift($misc[0])', $source);
 311     foreach ($tags as $tag) {
 312         $source = preg_replace("!&&&{$tag}&&&!e",  'array_shift(${$tag}[0])', $source);
 313     }
 314
 315     return $source;
 316 }
 317
 318 // }}}
 319
 320 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker:
 321 ?>