2 /*=====================================================================*\
3 || ###################################################################
4 || # Iris Studios Shared Object Framework [#]version[#]
5 || # Copyright ©2002-[#]year[#] Iris Studios, Inc.
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.
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
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 \*=====================================================================*/
23 * Iris Studios Shared Object Framework Kernel
29 if (!function_exists('version_compare'))
31 trigger_error('You need PHP version 4.1.0 or newer to run ISSO', E_USER_ERROR
);
35 if (version_compare(PHP_VERSION
, '5.0.0', '>='))
37 if (ini_get('error_reporting') & E_NOTICE
)
39 error_reporting(ini_get('error_reporting') - E_NOTICE
);
41 if (ini_get('error_reporting') & E_USER_NOTICE
)
43 error_reporting(ini_get('error_reporting') - E_USER_NOTICE
);
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 => $isso)
54 if (!($oldlevel & $isso))
56 //echo "increasing newlevel by $isso; ";
62 if ($oldlevel & $isso)
64 //echo "decreasing newlevel by $isso; ";
69 error_reporting($newlevel);
71 if ((bool)ini_get('register_globals') === true)
73 $superglobals = array('_GET', '_COOKIE', '_FILES', '_POST', '_SERVER', '_ENV');
74 foreach ($superglobals AS $global)
76 if (is_array(${$global}))
78 foreach (${$global} AS $_key => $_val)
90 * Iris Studios Shared Object Framework (ISSO)
92 * This framework allows a common backend to be used amongst all Iris
93 * Studios applications and is built to be abstract and flexible.
94 * The base framework handles all loading and module management.
96 * @author Iris Studios, Inc.
97 * @copyright Copyright ©2002 - [#]year[#], Iris Studios, Inc.
102 class Shared_Object_Framework
108 var $version = '[#]version[#]';
111 * Location of ISSO, used for internal linking
114 var $sourcepath = '';
117 * Path of the current application
123 * Name of the current application
126 var $application = '';
129 * Version of the current application
132 var $appversion = '';
135 * Whether debug mode is on or off
141 * List of all active debug messages
144 var $debuginfo = array();
147 * List of loaded modules
150 var $modules = array();
153 * An array of sanitized variables that have been cleaned for HTML tag openers and double quotes
159 * If we are running with magic_quotes_gpc on or off
162 var $magicquotes = 0;
165 * If we should automagically escape strings, mimicking magic_quotes_gpc
168 var $escapestrings = false;
173 function Shared_Object_Framework()
176 set_error_handler(array(&$this, '_error_handler'));
179 $this->magicquotes
= get_magic_quotes_gpc();
180 set_magic_quotes_runtime(0);
182 if (defined('ISSO_ESCAPE_STRINGS'))
184 $this->escapestrings
= (bool)constant('ISSO_ESCAPE_STRINGS');
187 // start input sanitize using variable_order GPC
188 if (!$this->escapestrings
)
190 $this->exec_sanitize_data();
193 $this->modules
['kernel'] = 'Shared Object Framework Core';
197 * Prepares a path for being set as the sourcepath
199 * @param string Source path or URL
201 * @return string Prepared source path
203 function fetch_sourcepath($source)
205 if (substr($source, strlen($source) - 1) != DIRECTORY_SEPARATOR
)
207 $source .= DIRECTORY_SEPARATOR
;
213 * Loads a framework extension
215 * @param string Name of the framework
217 function load($framework)
219 if (!$this->is_loaded($framework))
221 $newobj = $this->locate($framework);
222 $this->$newobj['OBJ'] = new $newobj['CLASS']();
223 $GLOBALS["$newobj[OBJ]"] =& $this->$newobj['OBJ'];
224 $this->modules
["$framework"] = $newobj['OBJECT'];
229 * Includes a framework module. Module definitions need three variables:
230 * class, object, and obj. Class is the name of the class, object is
231 * the name human-readable name, and obj is the name that the module
232 * should be initialized as; this is used in class extensions.
234 * @param string Name of the framework
236 * @return array List of initialization variables
238 function locate($framework)
240 if ($this->sourcepath == '')
242 trigger_error('Invalid sourcepath specified', E_USER_ERROR);
245 if (file_exists($this->sourcepath . $framework . '.php'))
247 require_once($this->sourcepath . $framework . '.php');
248 return array('CLASS' => $CLASS, 'OBJECT' => $OBJECT, 'OBJ' => $OBJ);
252 trigger_error('Could not find the framework ' . $this->sourcepath . $framework . '.php', E_USER_ERROR);
258 * Prints a list of all currently loaded framework modules
260 * @param bool Return the data as an array?
262 * @return mixed HTML output or an array of loaded modules
264 function show_modules($return = false)
268 return $this->modules;
272 $output = "\n\n
<ul
>\n\t<li
>";
273 $output .= implode("</li
>\n\t<li
>", $this->modules);
274 $output .= "</li
>\n</ul
>\n\n";
275 $this->_message('Loaded Modules', $output, 1);
280 * Verifies to see if a framework has been loaded
282 * @param string Framework name
284 * @return bool Whether or not the framework has been loaded
286 function is_loaded($framework)
288 if (isset($this->modules["$framework"]))
299 * Prints an ISSO message
301 * @param string The title of the message
302 * @param string The content of the message
303 * @param integer Type of message to be printed
304 * @param bool Return the output?
306 * @return mixed Output or null
308 function _message($title, $message, $type, $return = false)
333 $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;\">";
334 $output .= "\n<tr style=\"color: $font; text-align: left\">\n\t<td><strong>$prefix: $title</strong></td>\n</tr>";
335 $output .= "\n<tr style=\"background-color: #FFFFFF; text-align: left\">\n\t<td>$message</td>\n</tr>\n</table>\n<br />\n";
348 * Custom error handler for ISSO
349 * We only handle E_WARNING, E_NOTICE, E_USER_ERROR, E_USER_WARNING, E_USER_NOTICE
351 * @param integer Error number
352 * @param string Error message string
353 * @param string File that contains the error
354 * @param string The line number of the error
355 * @param string The active symbol table at which point the error occurred
357 function _error_handler($errno, $errstr, $errfile, $errline)
364 if (!(ini_get('error_reporting') & E_USER_ERROR
))
373 if (!(ini_get('error_reporting') & E_USER_WARNING
) AND !(ini_get('error_reporting') & E_WARNING
))
383 if (!(ini_get('error_reporting') & E_USER_NOTICE
) AND !(ini_get('error_reporting') & E_NOTICE
))
390 $errfile = str_replace(array(getcwd(), dirname(getcwd())), '', $errfile);
392 $errstr .= " in <strong>$errfile</strong> on line <strong>$errline</strong>";
394 $this->_message($title, $errstr, 3);
396 if ($errno == E_USER_ERROR
)
403 * Logs a debug message for verbose output
405 * @param string Message
407 function debug($message)
409 $this->debuginfo
[] = $message;
413 * Recursive XSS cleaner
415 * @param mixed Unsanitized REQUEST data
417 * @return mixed Sanitized data
419 function _sanitize_input_recursive($data)
421 foreach ($data AS $key => $value)
423 if (is_array($value))
425 $data["$key"] = $this->_sanitize_input_recursive($value);
429 if ($this->escapestrings)
431 $data["$key"] = $this->escape($this->sanitize($value), false, false);
435 $data["$key"] = $this->sanitize($value);
443 * Simple way to protect against HTML attacks with Unicode support
445 * @param string Unsanitzed text
447 * @return string Properly protected text that only encodes potential threats
449 function sanitize($text)
451 if ($this->magicquotes)
453 return str_replace(array('<', '>', '\"', '"'), array('<
;', '>
;', '"
;', '"
;'), $text);
457 return str_replace(array('<', '>', '"'), array('<', '>', '"'), $text);
462 * Takes text that has been processed for HTML and unsanitizes it
464 * @param string Text that needs to be turned back into HTML
465 * @param bool Force magicquotes off
467 * @return string Unsanitized text
469 function unsanitize($text, $force = false)
471 if ($this->magicquotes AND !$force)
473 return str_replace(array('<', '>', '"'), array('<', '>', '\"'), $text);
477 return str_replace(array('<', '>', '"'), array('<', '>', '"'), $text);
482 * Smart addslashes() that only applies itself it the Magic Quotes GPC is off
484 * @param string Some string
485 * @param bool If the data is binary; if so it'll be run through DB
::escape_stringing()
486 * @param
bool Force magic quotes to be off
488 * @return string String that has slashes added
490 function escape($str, $binary = false, $force = true)
494 if ($this->magicquotes
AND !$force)
496 if (isset($_isso->db
) AND $binary)
498 if (is_resource($_isso->db
->link_id
))
500 return $_isso->db
->escape_string(stripslashes($str));
507 if (isset($_isso->db
) AND $binary)
509 if (is_resource($_isso->db
->link_id
))
511 return $_isso->db
->escape_string($str);
514 return addslashes($str);
519 * Runs through all of the input data and sanitizes it.
521 function exec_sanitize_data()
523 $this->in
= $this->_sanitize_input_recursive(array_merge($_GET, $_POST, $_COOKIE));
524 // we're now using magic quotes
525 if ($this->escapestrings
)
527 $this->magicquotes
= 1;
533 * Global callback used for module calls back to the kernel
535 $_isso = new Shared_Object_Framework();
537 if (defined('ISSO_CHECK_POST_REFERER'))
539 if ($_SERVER['REQUEST_METHOD'] == 'POST')
541 $host = ($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_ENV['HTTP_HOST'];
543 if ($host AND $_SERVER['HTTP_REFERER'])
545 $parts = parse_url($_SERVER['HTTP_REFERER']);
546 $ourhost = $parts['host'] . (($parts['port']) ? ":$parts[port]" : '');
548 if ($ourhost != $host)
550 trigger_error('No external hosts are allowed to POST to this application', E_USER_ERROR
);
552 $_isso->debug('remote post check = ok');
556 $_isso->debug('remote post check = FAILED');
561 /*=====================================================================*\
562 || ###################################################################
565 || ###################################################################
566 \*=====================================================================*/