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                 if (defined('ISSO_ESCAPE_STRINGS'))
 227                 {
 228                         $this->escapestrings = (bool)constant('ISSO_ESCAPE_STRINGS');
 229                 }
 230
 231                 // start input sanitize using variable_order GPC
 232                 if (!$this->escapestrings)
 233                 {
 234                         $this->exec_sanitize_data();
 235                 }
 236
 237                 if (defined('ISSO_CHECK_POST_REFERER'))
 238                 {
 239                         $this->exec_referer_check();
 240                 }
 241
 242                 $GLOBALS['isso:null-framework'] = null;
 243         }
 244
 245         // ###################################################################
 246         /**
 247         * (PHP 4) Constructor
 248         */
 249         function Shared_Object_Framework()
 250         {
 251                 $this->__construct();
 252         }
 253
 254         // ###################################################################
 255         /**
 256         * Prepares a path for being set as the sourcepath
 257         *
 258         * @access       public
 259         *
 260         * @param        string  Source path or URL
 261         *
 262         * @return       string  Prepared source path
 263         */
 264         function fetch_sourcepath($source)
 265         {
 266                 if (substr($source, strlen($source) - 1) != DIRECTORY_SEPARATOR)
 267                 {
 268                         $source .= DIRECTORY_SEPARATOR;
 269                 }
 270                 return $source;
 271         }
 272
 273         // ###################################################################
 274         /**
 275         * Loads a framework module
 276         *
 277         * @access       public
 278         *
 279         * @param        string  Name of the framework file to load
 280         * @param        string  Internal variable to initialize as; to not instantiate (just require) leave it as NULL
 281         * @param        bool    Globalize the internal variable?
 282         *
 283         * @return       object  Instantiated instance
 284         */
 285         function &load($framework, $asobject, $globalize = false)
 286         {
 287                 // set the object interlock
 288                 if (!method_exists($GLOBALS['isso:null-framework'], 'load'))
 289                 {
 290                         $GLOBALS['isso:null-framework'] =& $this;
 291                 }
 292
 293                 if ($this->is_loaded($framework))
 294                 {
 295                         return $this->modules["$framework"];
 296                 }
 297
 298                 if ($this->sourcepath == '')
 299                 {
 300                         trigger_error('Invalid sourcepath specified', E_USER_ERROR);
 301                 }
 302
 303                 if (file_exists($this->sourcepath . $framework . '.php'))
 304                 {
 305                         require_once($this->sourcepath . $framework . '.php');
 306                 }
 307                 else
 308                 {
 309                         trigger_error('Could not find the framework ' . $this->sourcepath . $framework . '.php', E_USER_ERROR);
 310                 }
 311
 312                 if ($asobject === null)
 313                 {
 314                         return;
 315                 }
 316
 317                 if (isset($this->$asobject))
 318                 {
 319                         trigger_error('Cannot instantiate framework `' . $framework . '` into `' . $asobject . '`', E_USER_ERROR);
 320                 }
 321
 322                 $this->$asobject = new $framework($this);
 323
 324                 $this->modules["$framework"] =& $this->$asobject;
 325
 326                 if ($globalize)
 327                 {
 328                         $GLOBALS["$asobject"] =& $this->$asobject;
 329                 }
 330
 331                 return $this->$asobject;
 332         }
 333
 334         // ###################################################################
 335         /**
 336         * Prints a list of all currently loaded framework modules
 337         *
 338         * @access       public
 339         *
 340         * @param        bool    Return the data as an array?
 341         *
 342         * @return       mixed   HTML output or an array of loaded modules
 343         */
 344         function show_modules($return = false)
 345         {
 346                 foreach ($this->modules AS $object)
 347                 {
 348                         $modules[] = get_class($object);
 349                 }
 350
 351                 if ($return)
 352                 {
 353                         return $modules;
 354                 }
 355                 else
 356                 {
 357                         $output = "\n\n<ul>\n\t<li>";
 358                         $output .= implode("</li>\n\t<li>", $modules);
 359                         $output .= "</li>\n</ul>\n\n";
 360                         $this->message('Loaded Modules', $output, 1);
 361                 }
 362         }
 363
 364         // ###################################################################
 365         /**
 366         * Verifies to see if a framework has been loaded
 367         *
 368         * @access       public
 369         *
 370         * @param        string  Framework name
 371         *
 372         * @return       bool    Whether or not the framework has been loaded
 373         */
 374         function is_loaded($framework)
 375         {
 376                 if (isset($this->modules["$framework"]))
 377                 {
 378                         return true;
 379                 }
 380                 else
 381                 {
 382                         return false;
 383                 }
 384         }
 385
 386         // ###################################################################
 387         /**
 388         * Prints an ISSO message
 389         *
 390         * @access       public
 391         *
 392         * @param        string  The title of the message
 393         * @param        string  The content of the message
 394         * @param        integer Type of message to be printed
 395         * @param        bool    Return the output?
 396         * @param        bool    Show the debug stack?
 397         *
 398         * @return       mixed   Output or null
 399         */
 400         function message($title, $message, $type, $return = false, $stack = true)
 401         {
 402                 switch ($type)
 403                 {
 404                         // Message
 405                         case 1:
 406                                 $prefix = 'Message';
 407                                 $color = '#669900';
 408                                 $font = '#000000';
 409                         break;
 410
 411                         // Warning
 412                         case 2:
 413                                 $prefix = 'Warning';
 414                                 $color = '#003399';
 415                                 $font = '#FFFFFF';
 416                         break;
 417
 418                         case 3:
 419                                 $prefix = 'Error';
 420                                 $color = '#990000';
 421                                 $font = '#EFEFEF';
 422                         break;
 423                 }
 424
 425                 $backtrace = debug_backtrace();
 426                 unset($backtrace[0]);
 427
 428                 $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;\">";
 429                 $output .= "\n<tr style=\"color: $font; text-align: left\">\n\t<td><strong>$prefix: $title</strong></td>\n</tr>";
 430                 $output .= "\n<tr style=\"background-color: #FFFFFF; text-align: left\">\n\t<td>$message</td>\n</tr>";
 431                 $output .= (($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>" : '');
 432                 $output .= "\n</table>\n<br />\n";
 433
 434                 if ($return)
 435                 {
 436                         return $output;
 437                 }
 438                 else
 439                 {
 440                         print($output);
 441                 }
 442         }
 443
 444         // ###################################################################
 445         /**
 446         * Custom error handler for ISSO; only handle E_WARNING, E_NOTICE,
 447         * E_USER_ERROR, E_USER_WARNING, E_USER_NOTICE
 448         *
 449         * @access       private
 450         *
 451         * @param        integer Error number
 452         * @param        string  Error message string
 453         * @param        string  File that contains the error
 454         * @param        string  The line number of the error
 455         * @param        string  The active symbol table at which point the error occurred
 456         */
 457         function _error_handler($errno, $errstr, $errfile, $errline)
 458         {
 459                 switch ($errno)
 460                 {
 461                         // Fatal
 462                         case E_USER_ERROR:
 463                                 $title = 'Fatal';
 464                                 $level = 3;
 465                                 if (!(ini_get('error_reporting') & E_USER_ERROR))
 466                                 {
 467                                         return;
 468                                 }
 469                         break;
 470
 471                         // Error
 472                         case E_USER_WARNING:
 473                                 $title = 'Warning';
 474                                 $level = 2;
 475                                 if (!(ini_get('error_reporting') & E_USER_WARNING) AND !(ini_get('error_reporting') & E_WARNING))
 476                                 {
 477                                         return;
 478                                 }
 479                         break;
 480
 481                         // Warning
 482                         case E_USER_NOTICE:
 483                         default:
 484                                 $title = 'Notice';
 485                                 $level = 1;
 486                                 if (!(ini_get('error_reporting') & E_USER_NOTICE) AND !(ini_get('error_reporting') & E_NOTICE))
 487                                 {
 488                                         return;
 489                                 }
 490                         break;
 491                 }
 492
 493                 $errfile = str_replace(array(getcwd(), dirname(getcwd())), '', $errfile);
 494
 495                 $errstr .= " in <strong>$errfile</strong> on line <strong>$errline</strong>";
 496
 497                 $this->message($title, $errstr, $level);
 498
 499                 if ($errno == E_USER_ERROR)
 500                 {
 501                         exit;
 502                 }
 503         }
 504
 505         // ###################################################################
 506         /**
 507         * Creates a table that explains the error reporting levels and their
 508         * state
 509         *
 510         * @access       public
 511         */
 512         function explain_error_reporting()
 513         {
 514                 $levels = array(
 515                         'E_ERROR'                       => E_ERROR,
 516                         'E_WARNING'                     => E_WARNING,
 517                         'E_PARSE'                       => E_PARSE,
 518                         'E_NOTICE'                      => E_NOTICE,
 519                         'E_CORE_ERROR'          => E_CORE_ERROR,
 520                         'E_CORE_WARNING'        => E_CORE_WARNING,
 521                         'E_COMPILE_ERROR'       => 64,
 522                         'E_COMPILE_WARNING'     => 128,
 523                         'E_USER_ERROR'          => E_USER_ERROR,
 524                         'E_USER_WARNING'        => E_USER_WARNING,
 525                         'E_USER_NOTICE'         => E_USER_NOTICE,
 526                         'E_ALL'                         => E_ALL,
 527                         'E_STRICT'                      => 2048
 528                 );
 529
 530                 $table = '<table cellspacing="0" cellpadding="2" border="0">';
 531
 532                 foreach ($levels AS $name => $value)
 533                 {
 534                         $table .= '
 535                         <tr>
 536                                 <td>' . $name . '</td>
 537                                 <td>' . (ini_get('error_reporting') & $value) . '</td>
 538                         </tr>';
 539                 }
 540
 541                 $table .= '
 542                 </table>';
 543
 544                 $this->message('Error Reporting', $table, 1);
 545         }
 546
 547         // ###################################################################
 548         /**
 549         * Logs a debug message for verbose output
 550         *
 551         * @access       public
 552         *
 553         * @param        string  Message
 554         */
 555         function debug($message)
 556         {
 557                 $this->debuginfo[] = $message;
 558         }
 559
 560         // ###################################################################
 561         /**
 562         * Recursive XSS cleaner
 563         *
 564         * @access       private
 565         *
 566         * @param        mixed   Unsanitized REQUEST data
 567         *
 568         * @return       mixed   Sanitized data
 569         */
 570         function _sanitize_input_recursive($data)
 571         {
 572                 foreach ($data AS $key => $value)
 573                 {
 574                         if (is_array($value))
 575                         {
 576                                 $data["$key"] = $this->_sanitize_input_recursive($value);
 577                         }
 578                         else
 579                         {
 580                                 $data["$key"] = $this->sanitize($value);
 581                         }
 582                 }
 583                 return $data;
 584         }
 585
 586         // ###################################################################
 587         /**
 588         * Simple way to protect against HTML attacks with Unicode support
 589         *
 590         * @access       public
 591         *
 592         * @param        string  Unsanitzed text
 593         *
 594         * @return       string  Properly protected text that only encodes potential threats
 595         */
 596         function sanitize($text)
 597         {
 598                 if ($this->magicquotes)
 599                 {
 600                         return str_replace(array('<', '>', '\"', '"'), array('&lt;', '&gt;', '&quot;', '&quot;'), $text);
 601                 }
 602                 else
 603                 {
 604                         return str_replace(array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $text);
 605                 }
 606         }
 607
 608         // ###################################################################
 609         /**
 610         * Unicode-safe entity encoding system; similar to sanitize()
 611         *
 612         * @access       public
 613         *
 614         * @param        string  Unsanitized text
 615         *
 616         * @return       string  Unicode-safe sanitized text with entities preserved
 617         */
 618         function entity_encode($text)
 619         {
 620                 $text = str_replace('&', '&amp;', $text);
 621                 $text = $this->sanitize($text);
 622                 return $text;
 623         }
 624
 625         // ###################################################################
 626         /**
 627         * Takes text that has been processed for HTML and unsanitizes it
 628         *
 629         * @access       public
 630         *
 631         * @param        string  Text that needs to be turned back into HTML
 632         *
 633         * @return       string  Unsanitized text
 634         */
 635         function unsanitize($text)
 636         {
 637                 return str_replace(array('&lt;', '&gt;', '&quot;'), array('<', '>', '"'), $text);
 638         }
 639
 640         // ###################################################################
 641         /**
 642         * Smart addslashes() that only applies itself it the Magic Quotes GPC
 643         * is off. This should only be run on database query values.
 644         *
 645         * @access       public
 646         *
 647         * @param        string  Some string
 648         * @param        bool    If the data is binary; if so it'll be run through DB::escape_stringing()
 649         * @param        bool    Force magic quotes to be off
 650         *
 651         * @return       string  String that has slashes added
 652         */
 653         function escape($str, $binary = false, $force = true)
 654         {
 655                 if ($this->magicquotes AND !$force)
 656                 {
 657                         if (isset($this->db) AND $binary)
 658                         {
 659                                 if (is_resource($this->db->link_id))
 660                                 {
 661                                         return $this->db->escape_string(str_replace(array("\'", '\"'), array("'", '"'), $str));
 662                                 }
 663                         }
 664                         return $str;
 665                 }
 666                 else
 667                 {
 668                         if (isset($this->db) AND $binary)
 669                         {
 670                                 if (is_resource($this->db->link_id))
 671                                 {
 672                                         return $this->db->escape_string($str);
 673                                 }
 674                         }
 675                         return addslashes($str);
 676                 }
 677         }
 678
 679         // ###################################################################
 680         /**
 681         * Runs through all of the input data and sanitizes it.
 682         *
 683         * @access       public
 684         */
 685         function exec_sanitize_data()
 686         {
 687                 $this->in = $this->_sanitize_input_recursive(array_merge($_GET, $_POST, $_COOKIE));
 688         }
 689
 690         // ###################################################################
 691         /**
 692         * Sanitize function for something other than a string (which
 693         * everything is sanitized for if you use exec_sanitize_data(). Cleaned
 694         * data is placed back into $isso->in; this makes it so you don't have
 695         * to constantly intval() [etc.] data.
 696         *
 697         * @access       public
 698         *
 699         * @param        array   Array of elements to clean as varname => type
 700         */
 701         function input_clean_array($vars)
 702         {
 703                 foreach ($vars AS $varname => $type)
 704                 {
 705                         $this->input_clean($varname, $type);
 706                 }
 707         }
 708
 709         // ###################################################################
 710         /**
 711         * Sanitize function that does a single variable as oppoesd to an array
 712         * (see input_clean_array() for more details)
 713         *
 714         * @access       public
 715         *
 716         * @param        string  Variable name in $isso->in[]
 717         * @param        integer Sanitization type constant
 718         */
 719         function input_clean($varname, $type)
 720         {
 721                 if (isset($this->in["$varname"]))
 722                 {
 723                         $this->in["$varname"] = $this->clean($this->in["$varname"], $type);
 724                 }
 725                 else
 726                 {
 727                         $this->in["$varname"] = null;
 728                 }
 729         }
 730
 731         // ###################################################################
 732         /**
 733         * Cleaning function that does the work for input_clean(); this is
 734         * moved here so it can be used to clean things that aren't in
 735         * $isso->in[]
 736         *
 737         * @access       public
 738         *
 739         * @param        mixed   Data
 740         * @param        integer Sanitization type constant
 741         *
 742         * @return       mixed   Cleaned data
 743         */
 744         function clean($value, $type)
 745         {
 746                 if ($type == TYPE_INT)
 747                 {
 748                         $value = intval($value);
 749                 }
 750                 else if ($type == TYPE_UINT)
 751                 {
 752                         $value = abs(intval($value));
 753                 }
 754                 else if ($type == TYPE_FLOAT)
 755                 {
 756                         $value = floatval($value);
 757                 }
 758                 else if ($type == TYPE_BOOL)
 759                 {
 760                         $value = (bool)$value;
 761                 }
 762                 else if ($type == TYPE_STR)
 763                 {
 764                         $value = $value;
 765                 }
 766                 else if ($type == TYPE_STRUN)
 767                 {
 768                         $value = $this->unsanitize($value);
 769                 }
 770                 else if ($type == TYPE_NOCLEAN)
 771                 {
 772                         $value = $value;
 773                 }
 774                 else
 775                 {
 776                         trigger_error('Invalid clean type `' . $type . '` specified', E_USER_ERROR);
 777                 }
 778
 779                 return $value;
 780         }
 781
 782         // ###################################################################
 783         /**
 784         * Checks to see if a POST refer is actually from us
 785         *
 786         * @access       public
 787         */
 788         function exec_referer_check()
 789         {
 790                 if ($_SERVER['REQUEST_METHOD'] == 'POST')
 791                 {
 792                         $host = ($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_ENV['HTTP_HOST'];
 793
 794                         if ($host AND $_SERVER['HTTP_REFERER'])
 795                         {
 796                                 $parts = parse_url($_SERVER['HTTP_REFERER']);
 797                                 $ourhost = $parts['host'] . (($parts['port']) ? ":$parts[port]" : '');
 798
 799                                 if ($ourhost != $host)
 800                                 {
 801                                         trigger_error('No external hosts are allowed to POST to this application', E_USER_ERROR);
 802                                 }
 803                                 $this->debug('remote post check = ok');
 804                         }
 805                         else
 806                         {
 807                                 $this->debug('remote post check = FAILED');
 808                         }
 809                 }
 810         }
 811
 812         // ###################################################################
 813         /**
 814         * Constructs a debug information box that contains various debugging
 815         * information points
 816         *
 817         * @access       public
 818         *
 819         * @param        bool    Show template information?
 820         *
 821         * @return       string  Debugging block
 822         */
 823         function construct_debug_block($dotemplates)
 824         {
 825                 $debug = '';
 826
 827                 if ($this->registry->debug)
 828                 {
 829                         // --- START
 830                         $debug = "\n<ul>";
 831
 832                         // templates
 833                         if ($dotemplates)
 834                         {
 835                                 $optlist = array();
 836                                 $usage = array();
 837                                 foreach ($this->usage AS $name => $count)
 838                                 {
 839                                         if (in_array($name, $this->uncached))
 840                                         {
 841                                                 $optlist[] = $name . '[' . $count . ']';
 842                                         }
 843                                         $usage[] = $name . " ($count)";
 844                                 }
 845
 846                                 $sizeof = sizeof($this->uncached);
 847                                 if ($sizeof > 0)
 848                                 {
 849                                         $debug .= "\n\t<li><strong style=\"color: red\">Uncached Template(s):</strong> $sizeof ( " . implode(' &nbsp; ', $optlist) . " )</li>";
 850                                 }
 851                         }
 852
 853                         // source control
 854                         $scinfo = 'Not Under Source Control';
 855                         $possiblescms = array('cvs', 'svn', 'cvs_information', 'svn_information', 'scm', 'sc_information', 'scm_information');
 856                         foreach ($possiblescms AS $scm)
 857                         {
 858                                 if (defined(strtoupper($scm)))
 859                                 {
 860                                         $scinfo = constant(strtoupper($scm));
 861
 862                                         $type = '';
 863                                         // CVS
 864                                         if (strpos($scinfo, 'RCSfile:') !== false)
 865                                         {
 866                                                 $type = 'cvs';
 867                                         }
 868                                         else if (strpos($scinfo, ',v ') !== false)
 869                                         {
 870                                                 $type = 'cvs';
 871                                         }
 872                                         // SVN
 873                                         else if (strpos($scinfo, 'URL:') !== false)
 874                                         {
 875                                                 $type = 'svn';
 876                                         }
 877                                         else if (strpos($scinfo, 'https://') !== false OR strpos($scinfo, 'http://') !== false)
 878                                         {
 879                                                 $type= 'svn';
 880                                         }
 881                                         // not found so just return it
 882                                         // try a SVN ID tag as we can't really tell if we're using it
 883                                         else
 884                                         {
 885                                                 $test = preg_replace('#\$' . 'Id: (.+?) (.+?) [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}(.+?) (.+?) \$#', '\\1 - SVN \\2', $scinfo);
 886                                                 if ($test == '$' . 'Id: $')
 887                                                 {
 888                                                         $scinfo = 'Not Under Source Control';
 889                                                 }
 890                                                 else
 891                                                 {
 892                                                         $scinfo = $test;
 893                                                 }
 894                                                 break;
 895                                         }
 896
 897                                         if ($type == 'cvs')
 898                                         {
 899                                                 $scinfo = preg_replace('#\$' . 'RCSfile: (.+?) \$#', '\\1', $scinfo);
 900                                                 $scinfo = preg_replace('#\$' . 'Revision: (.+?) \$#', 'CVS \\1', $scinfo);
 901                                                 $scinfo = preg_replace('#\$' . 'Id: (.+?) (.+?) [0-9]{4}/[0-9]{2}/[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2} (.+?) (.+?) \$#', '\\1 - CVS \\2', $scinfo);
 902                                         }
 903                                         else if ($type == 'svn')
 904                                         {
 905                                                 $scinfo = preg_replace('#\$' . '(Head)?URL: (.+?) \$#e', "end(explode('/', '\\2'))", $scinfo);
 906                                                 $scinfo = preg_replace('#\$' . '(LastModified)?Revision: (.+?) \$#', 'SVN \\2', $scinfo);
 907                                                 $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);
 908                                         }
 909                                         else
 910                                         {
 911                                                 $scinfo = 'Not Under Source Control';
 912                                         }
 913                                         break;
 914                                 }
 915                         }
 916                         $scinfo = trim($scinfo);
 917                         $debug .= "\n\t<li><strong>Source Control:</strong> $scinfo</li>";
 918
 919                         // query information
 920                         if (is_object($this->registry->modules['db_mysql']))
 921                         {
 922                                 $debug .= "\n\t<li><strong>Total Queries:</strong> " . sizeof($this->registry->modules['db_mysql']->history) . " (<a href=\"" . $this->registry->sanitize($_SERVER['REQUEST_URI']) . ((strpos($_SERVER['REQUEST_URI'], '?') !== false) ? '&amp;query=1' : '?query=1') . "\">?</a>)</li>";
 923                         }
 924
 925                         // total execution time
 926                         if (defined('ISSO_MT_START'))
 927                         {
 928                                 $this->registry->load('functions', 'functions');
 929                                 $debug .= "\n\t<li><strong>Total Execution Time:</strong> " . round($this->registry->modules['functions']->fetch_microtime_diff(ISSO_MT_START), 10) . "</li>";
 930                         }
 931
 932                         // debug notices
 933                         $debug .= "\n\t<li>\n\t\t<select>\n\t\t\t<option>Debug Notices (" . sizeof($this->registry->debuginfo) . ")</option>";
 934                         foreach ((array)$this->registry->debuginfo AS $msg)
 935                         {
 936                                 $debug .= "\n\t\t\t<option>--- $msg</option>";
 937                         }
 938                         $debug .= "\n\t\t</select>\n\t</li>";
 939
 940                         // loaded modules
 941                         $modules = $this->registry->show_modules(true);
 942                         $debug .= "\n\t<li>\n\t\t<select>\n\t\t\t<option>Loaded Modules (" . sizeof($modules) . ")</option>";
 943                         foreach ($modules AS $mod)
 944                         {
 945                                 $debug .= "\n\t\t\t<option>--- $mod</option>";
 946                         }
 947                         $debug .= "\n\t\t</select>\n\t</li>";
 948
 949                         // template usage
 950                         if ($dotemplates)
 951                         {
 952                                 $debug .= "\n\t<li>\n\t\t<select>\n\t\t\t<option>Template Usage (" . array_sum($this->usage) . ")</option>";
 953                                 foreach ($usage AS $tpl)
 954                                 {
 955                                         $debug .= "\n\t\t\t<option>--- $tpl</option>";
 956                                 }
 957                                 $debug .= "\n\t\t</select>\n\t</li>";
 958                         }
 959
 960                         // --- END
 961                         $debug .= "\n</ul>";
 962
 963                         $debug = "\n<hr />\n" . $this->registry->message('Debug Information', $debug, 1, true, false);
 964                         $template = str_replace('</body>', "\n\n<!-- dev debug -->\n<div align=\"center\">\n$debug\n</div>\n<!-- / dev debug -->\n\n</body>", $template);
 965                 }
 966
 967                 return $debug;
 968         }
 969 }
 970
 971 /*=====================================================================*\
 972 || ###################################################################
 973 || # $HeadURL$
 974 || # $Id$
 975 || ###################################################################
 976 \*=====================================================================*/
 977 ?>