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