kernel.php

   1 <?php
   2 /*=====================================================================*\
   3 || ###################################################################
   4 || # Iris Studios Shared Object Framework [#]version[#]
   5 || # Copyright ©2002-[#]year[#] Iris Studios, Inc.
   6 || #
   7 || # This program is free software; you can redistribute it and/or modify
   8 || # it under the terms of the GNU General Public License as published by
   9 || # the Free Software Foundation; version [#]gpl[#] of the License.
  10 || #
  11 || # This program is distributed in the hope that it will be useful, but
  12 || # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13 || # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  14 || # more details.
  15 || #
  16 || # You should have received a copy of the GNU General Public License along
  17 || # with this program; if not, write to the Free Software Foundation, Inc.,
  18 || # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  19 || ###################################################################
  20 \*=====================================================================*/
  21
  22 /**
  23 * Iris Studios Shared Object Framework Kernel
  24 * kernel.php
  25 *
  26 * @package      ISSO
  27 */
  28
  29 if (!function_exists('version_compare'))
  30 {
  31         trigger_error('You need PHP version 4.1.0 or newer to run ISSO', E_USER_ERROR);
  32         exit;
  33 }
  34
  35 if (version_compare(PHP_VERSION, '5.0.0', '>='))
  36 {
  37         if (ini_get('error_reporting') & E_NOTICE)
  38         {
  39                 error_reporting(ini_get('error_reporting') - E_NOTICE);
  40         }
  41         if (ini_get('error_reporting') & E_USER_NOTICE)
  42         {
  43                 error_reporting(ini_get('error_reporting') - E_USER_NOTICE);
  44         }
  45 }
  46
  47 $oldlevel = ini_get('error_reporting');
  48 $newlevel = $oldlevel;
  49 $levels = array(E_ERROR => E_USER_ERROR, E_WARNING => E_USER_WARNING, E_NOTICE => E_USER_NOTICE);
  50 foreach ($levels AS $php => $isso)
  51 {
  52         if ($oldlevel & $php)
  53         {
  54                 if (!($oldlevel & $isso))
  55                 {
  56                         $newlevel += $isso;
  57                 }
  58         }
  59         else
  60         {
  61                 if ($oldlevel & $isso)
  62                 {
  63                         $newlevel -= $isso;
  64                 }
  65         }
  66 }
  67 error_reporting($newlevel);
  68
  69 if ((bool)ini_get('register_globals') === true)
  70 {
  71         $superglobals = array('_GET', '_COOKIE', '_FILES', '_POST', '_SERVER', '_ENV');
  72         foreach ($superglobals AS $global)
  73         {
  74                 if (is_array(${$global}))
  75                 {
  76                         foreach (${$global} AS $_key => $_val)
  77                         {
  78                                 if (isset(${$_key}))
  79                                 {
  80                                         unset(${$_key});
  81                                 }
  82                         }
  83                 }
  84         }
  85 }
  86
  87 /**#@+
  88 * Input cleaning type constant
  89 */
  90 /**
  91 * Integer type
  92 */
  93 define('TYPE_INT', 1);
  94
  95 /**
  96 * Unsigned integer
  97 */
  98 define('TYPE_UINT', 2);
  99
 100 /**
 101 * Float type
 102 */
 103 define('TYPE_FLOAT', 4);
 104
 105 /**
 106 * Boolean type
 107 */
 108 define('TYPE_BOOL', 8);
 109
 110 /**
 111 * String - cleaned
 112 */
 113 define('TYPE_STR', 16);
 114
 115 /**
 116 * String - deliberate unclean
 117 */
 118 define('TYPE_STRUN', 32);
 119
 120 /**
 121 * No cleaning - here for use in API
 122 */
 123 define('TYPE_NOCLEAN', 64);
 124 /**#@-*/
 125
 126 /**
 127 * Iris Studios Shared Object Framework (ISSO)
 128 *
 129 * This framework allows a common backend to be used amongst all Iris
 130 * Studios applications and is built to be abstract and flexible.
 131 * The base framework handles all loading and module management.
 132 *
 133 * @author               Iris Studios, Inc.
 134 * @copyright    Copyright ©2002 - [#]year[#], Iris Studios, Inc.
 135 * @version              $Revision$
 136 * @package              ISSO
 137 *
 138 */
 139 class Shared_Object_Framework
 140 {
 141         /**
 142         * ISSO version
 143         * @var  string
 144         */
 145         var $version = '[#]version[#]';
 146
 147         /**
 148         * Location of ISSO, used for internal linking
 149         * @var  string
 150         */
 151         var $sourcepath = '';
 152
 153         /**
 154         * Path of the current application
 155         * @var  string
 156         */
 157         var $apppath = '';
 158
 159         /**
 160         * Web path used to get the web location of the installation of ISSO; only used for Printer module
 161         * @var  string
 162         */
 163         var $webpath = '';
 164
 165         /**
 166         * Name of the current application
 167         * @var  string
 168         */
 169         var $application = '';
 170
 171         /**
 172         * Version of the current application
 173         * @var  string
 174         */
 175         var $appversion = '';
 176
 177         /**
 178         * Whether debug mode is on or off
 179         * @var  bool
 180         */
 181         var $debug = false;
 182
 183         /**
 184         * List of all active debug messages
 185         * @var  array
 186         */
 187         var $debuginfo = array();
 188
 189         /**
 190         * List of loaded modules
 191         * @var  array
 192         */
 193         var $modules = array();
 194
 195         /**
 196         * An array of sanitized variables that have been cleaned for HTML tag openers and double quotes
 197         * @var  array
 198         */
 199         var $in = array();
 200
 201         /**
 202         * If we are running with magic_quotes_gpc on or off
 203         * @var  int
 204         */
 205         var $magicquotes = 0;
 206
 207         /**
 208         * If we should automagically escape strings, mimicking magic_quotes_gpc
 209         * @var  bool
 210         */
 211         var $escapestrings = false;
 212
 213         // ###################################################################
 214         /**
 215         * Constructor
 216         */
 217         function __construct()
 218         {
 219                 // error reporting
 220                 set_error_handler(array(&$this, '_error_handler'));
 221
 222                 // magic quotes
 223                 $this->magicquotes = get_magic_quotes_gpc();
 224                 set_magic_quotes_runtime(0);
 225
 226                 // start input sanitize using variable_order GPC
 227                 if (!defined('ISSO_NO_INPUT_SANITIZE'))
 228                 {
 229                         $this->exec_sanitize_data();
 230                 }
 231
 232                 if (defined('ISSO_CHECK_POST_REFERER'))
 233                 {
 234                         $this->exec_referer_check();
 235                 }
 236
 237                 $GLOBALS['isso:null-framework'] = null;
 238         }
 239
 240         // ###################################################################
 241         /**
 242         * (PHP 4) Constructor
 243         */
 244         function Shared_Object_Framework()
 245         {
 246                 $this->__construct();
 247         }
 248
 249         // ###################################################################
 250         /**
 251         * Prepares a path for being set as the sourcepath
 252         *
 253         * @access       public
 254         *
 255         * @param        string  Source path or URL
 256         *
 257         * @return       string  Prepared source path
 258         */
 259         function fetch_sourcepath($source)
 260         {
 261                 if (substr($source, strlen($source) - 1) != DIRECTORY_SEPARATOR)
 262                 {
 263                         $source .= DIRECTORY_SEPARATOR;
 264                 }
 265                 return $source;
 266         }
 267
 268         // ###################################################################
 269         /**
 270         * Loads a framework module
 271         *
 272         * @access       public
 273         *
 274         * @param        string  Name of the framework file to load
 275         * @param        string  Internal variable to initialize as; to not instantiate (just require) leave it as NULL
 276         * @param        bool    Globalize the internal variable?
 277         *
 278         * @return       object  Instantiated instance
 279         */
 280         function &load($framework, $asobject, $globalize = false)
 281         {
 282                 // set the object interlock
 283                 if (!method_exists($GLOBALS['isso:null-framework'], 'load'))
 284                 {
 285                         $GLOBALS['isso:null-framework'] =& $this;
 286                 }
 287
 288                 if ($this->is_loaded($framework))
 289                 {
 290                         return $this->modules["$framework"];
 291                 }
 292
 293                 if ($this->sourcepath == '')
 294                 {
 295                         trigger_error('Invalid sourcepath specified', E_USER_ERROR);
 296                 }
 297
 298                 if (file_exists($this->sourcepath . $framework . '.php'))
 299                 {
 300                         require_once($this->sourcepath . $framework . '.php');
 301                 }
 302                 else
 303                 {
 304                         trigger_error('Could not find the framework ' . $this->sourcepath . $framework . '.php', E_USER_ERROR);
 305                 }
 306
 307                 if ($asobject === null)
 308                 {
 309                         return;
 310                 }
 311
 312                 if (isset($this->$asobject))
 313                 {
 314                         trigger_error('Cannot instantiate framework `' . $framework . '` into `' . $asobject . '`', E_USER_ERROR);
 315                 }
 316
 317                 $this->$asobject = new $framework($this);
 318
 319                 $this->modules["$framework"] =& $this->$asobject;
 320
 321                 if ($globalize)
 322                 {
 323                         $GLOBALS["$asobject"] =& $this->$asobject;
 324                 }
 325
 326                 return $this->$asobject;
 327         }
 328
 329         // ###################################################################
 330         /**
 331         * Prints a list of all currently loaded framework modules
 332         *
 333         * @access       public
 334         *
 335         * @param        bool    Return the data as an array?
 336         *
 337         * @return       mixed   HTML output or an array of loaded modules
 338         */
 339         function show_modules($return = false)
 340         {
 341                 foreach ($this->modules AS $object)
 342                 {
 343                         $modules[] = get_class($object);
 344                 }
 345
 346                 if ($return)
 347                 {
 348                         return $modules;
 349                 }
 350                 else
 351                 {
 352                         $output = "\n\n<ul>\n\t<li>";
 353                         $output .= implode("</li>\n\t<li>", $modules);
 354                         $output .= "</li>\n</ul>\n\n";
 355                         $this->message('Loaded Modules', $output, 1);
 356                 }
 357         }
 358
 359         // ###################################################################
 360         /**
 361         * Verifies to see if a framework has been loaded
 362         *
 363         * @access       public
 364         *
 365         * @param        string  Framework name
 366         *
 367         * @return       bool    Whether or not the framework has been loaded
 368         */
 369         function is_loaded($framework)
 370         {
 371                 if (isset($this->modules["$framework"]))
 372                 {
 373                         return true;
 374                 }
 375                 else
 376                 {
 377                         return false;
 378                 }
 379         }
 380
 381         // ###################################################################
 382         /**
 383         * Prints an ISSO message
 384         *
 385         * @access       public
 386         *
 387         * @param        string  The title of the message
 388         * @param        string  The content of the message
 389         * @param        integer Type of message to be printed
 390         * @param        bool    Return the output?
 391         * @param        bool    Show the debug stack?
 392         *
 393         * @return       mixed   Output or null
 394         */
 395         function message($title, $message, $type, $return = false, $stack = true)
 396         {
 397                 switch ($type)
 398                 {
 399                         // Message
 400                         case 1:
 401                                 $prefix = 'Message';
 402                                 $color = '#669900';
 403                                 $font = '#000000';
 404                         break;
 405
 406                         // Warning
 407                         case 2:
 408                                 $prefix = 'Warning';
 409                                 $color = '#003399';
 410                                 $font = '#FFFFFF';
 411                         break;
 412
 413                         case 3:
 414                                 $prefix = 'Error';
 415                                 $color = '#990000';
 416                                 $font = '#EFEFEF';
 417                         break;
 418                 }
 419
 420                 $backtrace = debug_backtrace();
 421                 unset($backtrace[0]);
 422
 423                 $output = "\n<br />\n<table cellpadding=\"4\" cellspacing=\"1\" border=\"0\" width=\"500\" style=\"background-color: $color; color: black; font-family: Verdana, sans-serif; font-size: 12px;\">";
 424                 $output .= "\n<tr style=\"color: $font; text-align: left\">\n\t<td><strong>$prefix: $title</strong></td>\n</tr>";
 425                 $output .= "\n<tr style=\"background-color: #FFFFFF; text-align: left\">\n\t<td>$message</td>\n</tr>";
 426                 $output .= (($stack AND $GLOBALS['isso:null-framework']->debug) ? "\n<tr style=\"background-color: #FFFFFF; text-align: left\">\n\t<td><strong>Debug Stack:</strong> <pre>" . print_r($backtrace, true) . "</pre></td>\n</tr>" : '');
 427                 $output .= "\n</table>\n<br />\n";
 428
 429                 if ($return)
 430                 {
 431                         return $output;
 432                 }
 433                 else
 434                 {
 435                         print($output);
 436                 }
 437         }
 438
 439         // ###################################################################
 440         /**
 441         * Custom error handler for ISSO; only handle E_WARNING, E_NOTICE,
 442         * E_USER_ERROR, E_USER_WARNING, E_USER_NOTICE
 443         *
 444         * @access       private
 445         *
 446         * @param        integer Error number
 447         * @param        string  Error message string
 448         * @param        string  File that contains the error
 449         * @param        string  The line number of the error
 450         * @param        string  The active symbol table at which point the error occurred
 451         */
 452         function _error_handler($errno, $errstr, $errfile, $errline)
 453         {
 454                 switch ($errno)
 455                 {
 456                         // Fatal
 457                         case E_USER_ERROR:
 458                                 $title = 'Fatal';
 459                                 $level = 3;
 460                                 if (!(ini_get('error_reporting') & E_USER_ERROR))
 461                                 {
 462                                         return;
 463                                 }
 464                         break;
 465
 466                         // Error
 467                         case E_USER_WARNING:
 468                                 $title = 'Warning';
 469                                 $level = 2;
 470                                 if (!(ini_get('error_reporting') & E_USER_WARNING) AND !(ini_get('error_reporting') & E_WARNING))
 471                                 {
 472                                         return;
 473                                 }
 474                         break;
 475
 476                         // Warning
 477                         case E_USER_NOTICE:
 478                         default:
 479                                 $title = 'Notice';
 480                                 $level = 1;
 481                                 if (!(ini_get('error_reporting') & E_USER_NOTICE) AND !(ini_get('error_reporting') & E_NOTICE))
 482                                 {
 483                                         return;
 484                                 }
 485                         break;
 486                 }
 487
 488                 $errfile = str_replace(array(getcwd(), dirname(getcwd())), '', $errfile);
 489
 490                 $errstr .= " in <strong>$errfile</strong> on line <strong>$errline</strong>";
 491
 492                 $this->message($title, $errstr, $level);
 493
 494                 if ($errno == E_USER_ERROR)
 495                 {
 496                         exit;
 497                 }
 498         }
 499
 500         // ###################################################################
 501         /**
 502         * Creates a table that explains the error reporting levels and their
 503         * state
 504         *
 505         * @access       public
 506         */
 507         function explain_error_reporting()
 508         {
 509                 $levels = array(
 510                         'E_ERROR'                       => E_ERROR,
 511                         'E_WARNING'                     => E_WARNING,
 512                         'E_PARSE'                       => E_PARSE,
 513                         'E_NOTICE'                      => E_NOTICE,
 514                         'E_CORE_ERROR'          => E_CORE_ERROR,
 515                         'E_CORE_WARNING'        => E_CORE_WARNING,
 516                         'E_COMPILE_ERROR'       => 64,
 517                         'E_COMPILE_WARNING'     => 128,
 518                         'E_USER_ERROR'          => E_USER_ERROR,
 519                         'E_USER_WARNING'        => E_USER_WARNING,
 520                         'E_USER_NOTICE'         => E_USER_NOTICE,
 521                         'E_ALL'                         => E_ALL,
 522                         'E_STRICT'                      => 2048
 523                 );
 524
 525                 $table = '<table cellspacing="0" cellpadding="2" border="0">';
 526
 527                 foreach ($levels AS $name => $value)
 528                 {
 529                         $table .= '
 530                         <tr>
 531                                 <td>' . $name . '</td>
 532                                 <td>' . (ini_get('error_reporting') & $value) . '</td>
 533                         </tr>';
 534                 }
 535
 536                 $table .= '
 537                 </table>';
 538
 539                 $this->message('Error Reporting', $table, 1);
 540         }
 541
 542         // ###################################################################
 543         /**
 544         * Logs a debug message for verbose output
 545         *
 546         * @access       public
 547         *
 548         * @param        string  Message
 549         */
 550         function debug($message)
 551         {
 552                 $this->debuginfo[] = $message;
 553         }
 554
 555         // ###################################################################
 556         /**
 557         * Recursive XSS cleaner
 558         *
 559         * @access       private
 560         *
 561         * @param        mixed   Unsanitized REQUEST data
 562         *
 563         * @return       mixed   Sanitized data
 564         */
 565         function _sanitize_input_recursive($data)
 566         {
 567                 foreach ($data AS $key => $value)
 568                 {
 569                         if (is_array($value))
 570                         {
 571                                 $data["$key"] = $this->_sanitize_input_recursive($value);
 572                         }
 573                         else
 574                         {
 575                                 $data["$key"] = $this->sanitize($value);
 576                         }
 577                 }
 578                 return $data;
 579         }
 580
 581         // ###################################################################
 582         /**
 583         * Simple way to protect against HTML attacks with Unicode support
 584         *
 585         * @access       public
 586         *
 587         * @param        string  Unsanitzed text
 588         *
 589         * @return       string  Properly protected text that only encodes potential threats
 590         */
 591         function sanitize($text)
 592         {
 593                 if ($this->magicquotes)
 594                 {
 595                         return str_replace(array('<', '>', '\"', '"'), array('&lt;', '&gt;', '&quot;', '&quot;'), $text);
 596                 }
 597                 else
 598                 {
 599                         return str_replace(array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $text);
 600                 }
 601         }
 602
 603         // ###################################################################
 604         /**
 605         * Unicode-safe entity encoding system; similar to sanitize()
 606         *
 607         * @access       public
 608         *
 609         * @param        string  Unsanitized text
 610         *
 611         * @return       string  Unicode-safe sanitized text with entities preserved
 612         */
 613         function entity_encode($text)
 614         {
 615                 $text = str_replace('&', '&amp;', $text);
 616                 $text = $this->sanitize($text);
 617                 return $text;
 618         }
 619
 620         // ###################################################################
 621         /**
 622         * Takes text that has been processed for HTML and unsanitizes it
 623         *
 624         * @access       public
 625         *
 626         * @param        string  Text that needs to be turned back into HTML
 627         *
 628         * @return       string  Unsanitized text
 629         */
 630         function unsanitize($text)
 631         {
 632                 return str_replace(array('&lt;', '&gt;', '&quot;'), array('<', '>', '"'), $text);
 633         }
 634
 635         // ###################################################################
 636         /**
 637         * Smart addslashes() that only applies itself it the Magic Quotes GPC
 638         * is off. This should only be run on database query values.
 639         *
 640         * @access       public
 641         *
 642         * @param        string  Some string
 643         * @param        bool    If the data is binary; if so it'll be run through DB::escape_stringing()
 644         * @param        bool    Force magic quotes to be off
 645         *
 646         * @return       string  String that has slashes added
 647         */
 648         function escape($str, $binary = false, $force = true)
 649         {
 650                 if ($this->magicquotes AND !$force)
 651                 {
 652                         if (isset($this->db) AND $binary)
 653                         {
 654                                 if (is_resource($this->db->link_id))
 655                                 {
 656                                         return $this->db->escape_string(str_replace(array("\'", '\"'), array("'", '"'), $str));
 657                                 }
 658                         }
 659                         return $str;
 660                 }
 661                 else
 662                 {
 663                         if (isset($this->db) AND $binary)
 664                         {
 665                                 if (is_resource($this->db->link_id))
 666                                 {
 667                                         return $this->db->escape_string($str);
 668                                 }
 669                         }
 670                         return addslashes($str);
 671                 }
 672         }
 673
 674         // ###################################################################
 675         /**
 676         * Runs through all of the input data and sanitizes it.
 677         *
 678         * @access       public
 679         */
 680         function exec_sanitize_data()
 681         {
 682                 $this->in = $this->_sanitize_input_recursive(array_merge($_GET, $_POST, $_COOKIE));
 683         }
 684
 685         // ###################################################################
 686         /**
 687         * Sanitize function for something other than a string (which
 688         * everything is sanitized for if you use exec_sanitize_data(). Cleaned
 689         * data is placed back into $isso->in; this makes it so you don't have
 690         * to constantly intval() [etc.] data.
 691         *
 692         * @access       public
 693         *
 694         * @param        array   Array of elements to clean as varname => type
 695         */
 696         function input_clean_array($vars)
 697         {
 698                 foreach ($vars AS $varname => $type)
 699                 {
 700                         $this->input_clean($varname, $type);
 701                 }
 702         }
 703
 704         // ###################################################################
 705         /**
 706         * Sanitize function that does a single variable as oppoesd to an array
 707         * (see input_clean_array() for more details)
 708         *
 709         * @access       public
 710         *
 711         * @param        string  Variable name in $isso->in[]
 712         * @param        integer Sanitization type constant
 713         */
 714         function input_clean($varname, $type)
 715         {
 716                 if (isset($this->in["$varname"]))
 717                 {
 718                         $this->in["$varname"] = $this->clean($this->in["$varname"], $type);
 719                 }
 720                 else
 721                 {
 722                         $this->in["$varname"] = null;
 723                 }
 724         }
 725
 726         // ###################################################################
 727         /**
 728         * Cleaning function that does the work for input_clean(); this is
 729         * moved here so it can be used to clean things that aren't in
 730         * $isso->in[]
 731         *
 732         * @access       public
 733         *
 734         * @param        mixed   Data
 735         * @param        integer Sanitization type constant
 736         *
 737         * @return       mixed   Cleaned data
 738         */
 739         function clean($value, $type)
 740         {
 741                 if ($type == TYPE_INT)
 742                 {
 743                         $value = intval($value);
 744                 }
 745                 else if ($type == TYPE_UINT)
 746                 {
 747                         $value = abs(intval($value));
 748                 }
 749                 else if ($type == TYPE_FLOAT)
 750                 {
 751                         $value = floatval($value);
 752                 }
 753                 else if ($type == TYPE_BOOL)
 754                 {
 755                         $value = (bool)$value;
 756                 }
 757                 else if ($type == TYPE_STR)
 758                 {
 759                         $value = $value;
 760                 }
 761                 else if ($type == TYPE_STRUN)
 762                 {
 763                         $value = $this->unsanitize($value);
 764                 }
 765                 else if ($type == TYPE_NOCLEAN)
 766                 {
 767                         $value = $value;
 768                 }
 769                 else
 770                 {
 771                         trigger_error('Invalid clean type `' . $type . '` specified', E_USER_ERROR);
 772                 }
 773
 774                 return $value;
 775         }
 776
 777         // ###################################################################
 778         /**
 779         * Checks to see if a POST refer is actually from us
 780         *
 781         * @access       public
 782         */
 783         function exec_referer_check()
 784         {
 785                 if ($_SERVER['REQUEST_METHOD'] == 'POST')
 786                 {
 787                         $host = ($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_ENV['HTTP_HOST'];
 788
 789                         if ($host AND $_SERVER['HTTP_REFERER'])
 790                         {
 791                                 $parts = parse_url($_SERVER['HTTP_REFERER']);
 792                                 $ourhost = $parts['host'] . (($parts['port']) ? ":$parts[port]" : '');
 793
 794                                 if ($ourhost != $host)
 795                                 {
 796                                         trigger_error('No external hosts are allowed to POST to this application', E_USER_ERROR);
 797                                 }
 798                                 $this->debug('remote post check = ok');
 799                         }
 800                         else
 801                         {
 802                                 $this->debug('remote post check = FAILED');
 803                         }
 804                 }
 805         }
 806
 807         // ###################################################################
 808         /**
 809         * Constructs a debug information box that contains various debugging
 810         * information points
 811         *
 812         * @access       public
 813         *
 814         * @param        bool    Show template information?
 815         *
 816         * @return       string  Debugging block
 817         */
 818         function construct_debug_block($dotemplates)
 819         {
 820                 $debug = '';
 821
 822                 if ($this->debug)
 823                 {
 824                         $debug = "\n<ul>";
 825
 826                         // templates
 827                         if ($dotemplates)
 828                         {
 829                                 // both template and template_fs are viable, so we need to determine the right one
 830                                 if ($this->is_loaded('template'))
 831                                 {
 832                                         $tpl_obj =& $this->modules['template'];
 833                                 }
 834                                 else if ($this->is_loaded('template_fs'))
 835                                 {
 836                                         $tpl_obj =& $this->modules['template_fs'];
 837                                 }
 838                                 else
 839                                 {
 840                                         $tpl_obj = null;
 841                                 }
 842
 843                                 $optlist = array();
 844                                 $usage = array();
 845                                 foreach ($tpl_obj->usage AS $name => $count)
 846                                 {
 847                                         if (in_array($name, $tpl_obj->uncached))
 848                                         {
 849                                                 $optlist[] = $name . '[' . $count . ']';
 850                                         }
 851                                         $usage[] = $name . " ($count)";
 852                                 }
 853
 854                                 $sizeof = sizeof($tpl_obj->uncached);
 855                                 if ($sizeof > 0)
 856                                 {
 857                                         $debug .= "\n\t<li><strong style=\"color: red\">Uncached Template(s):</strong> $sizeof ( " . implode(' &nbsp; ', $optlist) . " )</li>";
 858                                 }
 859                         }
 860
 861                         // source control
 862                         $scinfo = 'Not Under Source Control';
 863                         if (defined('SVN'))
 864                         {
 865                                 $scinfo = constant('SVN');
 866
 867                                 if ($test == '$' . 'Id: $')
 868                                 {
 869                                         $scinfo = 'Not Under Source Control';
 870                                 }
 871                                 else
 872                                 {
 873                                         $scinfo = preg_replace('#\$' . '(Head)?URL: (.+?) \$#e', "end(explode('/', '\\2'))", $scinfo);
 874                                         $scinfo = preg_replace('#\$' . '(LastModified)?Revision: (.+?) \$#', 'SVN \\2', $scinfo);
 875                                         $scinfo = preg_replace('#\$' . 'Id: (.+?) ([0-9].+?) [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}(.+?) (.+?) \$#', '\\1 - SVN \\2', $scinfo);
 876                                 }
 877                         }
 878
 879                         $scinfo = trim($scinfo);
 880                         $debug .= "\n\t<li><strong>Source Control:</strong> $scinfo</li>";
 881
 882                         // query information
 883                         if (is_object($this->modules['db_mysql']))
 884                         {
 885                                 $debug .= "\n\t<li><strong>Total Queries:</strong> " . sizeof($this->modules['db_mysql']->history) . " (<a href=\"" . $this->sanitize($_SERVER['REQUEST_URI']) . ((strpos($_SERVER['REQUEST_URI'], '?') !== false) ? '&amp;query=1' : '?query=1') . "\">?</a>)</li>";
 886                         }
 887
 888                         // total execution time
 889                         if (defined('ISSO_MT_START'))
 890                         {
 891                                 $this->registry->load('functions', 'functions');
 892                                 $debug .= "\n\t<li><strong>Total Execution Time:</strong> " . round($this->modules['functions']->fetch_microtime_diff(ISSO_MT_START), 10) . "</li>";
 893                         }
 894
 895                         // debug notices
 896                         $debug .= "\n\t<li>\n\t\t<select>\n\t\t\t<option>Debug Notices (" . sizeof($this->debuginfo) . ")</option>";
 897                         foreach ((array)$this->debuginfo AS $msg)
 898                         {
 899                                 $debug .= "\n\t\t\t<option>--- $msg</option>";
 900                         }
 901                         $debug .= "\n\t\t</select>\n\t</li>";
 902
 903                         // loaded modules
 904                         $modules = $this->show_modules(true);
 905                         $debug .= "\n\t<li>\n\t\t<select>\n\t\t\t<option>Loaded Modules (" . sizeof($modules) . ")</option>";
 906                         foreach ($modules AS $mod)
 907                         {
 908                                 $debug .= "\n\t\t\t<option>--- $mod</option>";
 909                         }
 910                         $debug .= "\n\t\t</select>\n\t</li>";
 911
 912                         // template usage
 913                         if ($dotemplates)
 914                         {
 915                                 $debug .= "\n\t<li>\n\t\t<select>\n\t\t\t<option>Template Usage (" . array_sum($tpl_obj->usage) . ")</option>";
 916                                 foreach ($usage AS $tpl)
 917                                 {
 918                                         $debug .= "\n\t\t\t<option>--- $tpl</option>";
 919                                 }
 920                                 $debug .= "\n\t\t</select>\n\t</li>";
 921                         }
 922
 923                         $debug .= "\n</ul>";
 924
 925                         $debug = "\n\n<!-- dev debug -->\n<div align=\"center\">\n\n<hr />\n" . $this->message('Debug Information', $debug, 1, true, false) . "\n</div>\n<!-- / dev debug -->\n\n";
 926                 }
 927
 928                 return $debug;
 929         }
 930 }
 931
 932 /*=====================================================================*\
 933 || ###################################################################
 934 || # $HeadURL$
 935 || # $Id$
 936 || ###################################################################
 937 \*=====================================================================*/
 938 ?>