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1 | <?php |
2 | ||
3 | /* | |
4 | +--------------------------------------------------------------------+ | |
5 | | CiviCRM version 4.3 | | |
6 | +--------------------------------------------------------------------+ | |
7 | | Copyright CiviCRM LLC (c) 2004-2013 | | |
8 | +--------------------------------------------------------------------+ | |
9 | | This file is a part of CiviCRM. | | |
10 | | | | |
11 | | CiviCRM is free software; you can copy, modify, and distribute it | | |
12 | | under the terms of the GNU Affero General Public License | | |
13 | | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. | | |
14 | | | | |
15 | | CiviCRM is distributed in the hope that it will be useful, but | | |
16 | | WITHOUT ANY WARRANTY; without even the implied warranty of | | |
17 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | | |
18 | | See the GNU Affero General Public License for more details. | | |
19 | | | | |
20 | | You should have received a copy of the GNU Affero General Public | | |
21 | | License and the CiviCRM Licensing Exception along | | |
22 | | with this program; if not, contact CiviCRM LLC | | |
23 | | at info[AT]civicrm[DOT]org. If you have questions about the | | |
24 | | GNU Affero General Public License or the licensing of CiviCRM, | | |
25 | | see the CiviCRM license FAQ at http://civicrm.org/licensing | | |
26 | +--------------------------------------------------------------------+ | |
27 | */ | |
28 | ||
29 | /** | |
30 | * Start of the Error framework. We should check out and inherit from | |
31 | * PEAR_ErrorStack and use that framework | |
32 | * | |
33 | * @package CRM | |
34 | * @copyright CiviCRM LLC (c) 2004-2013 | |
35 | * $Id$ | |
36 | * | |
37 | */ | |
38 | ||
39 | require_once 'PEAR/ErrorStack.php'; | |
40 | require_once 'PEAR/Exception.php'; | |
41 | ||
42 | require_once 'Log.php'; | |
43 | class CRM_Exception extends PEAR_Exception { | |
44 | // Redefine the exception so message isn't optional | |
45 | public function __construct($message = NULL, $code = 0, Exception$previous = NULL) { | |
46 | parent::__construct($message, $code, $previous); | |
47 | } | |
48 | } | |
49 | ||
50 | class CRM_Core_Error extends PEAR_ErrorStack { | |
51 | ||
52 | /** | |
53 | * status code of various types of errors | |
54 | * @var const | |
55 | */ | |
56 | CONST FATAL_ERROR = 2; | |
57 | CONST DUPLICATE_CONTACT = 8001; | |
58 | CONST DUPLICATE_CONTRIBUTION = 8002; | |
59 | CONST DUPLICATE_PARTICIPANT = 8003; | |
60 | ||
61 | /** | |
62 | * We only need one instance of this object. So we use the singleton | |
63 | * pattern and cache the instance in this variable | |
64 | * @var object | |
65 | * @static | |
66 | */ | |
67 | private static $_singleton = NULL; | |
68 | ||
69 | /** | |
70 | * The logger object for this application | |
71 | * @var object | |
72 | * @static | |
73 | */ | |
74 | private static $_log = NULL; | |
75 | ||
76 | /** | |
77 | * If modeException == true, errors are raised as exception instead of returning civicrm_errors | |
78 | * @static | |
79 | */ | |
80 | public static $modeException = NULL; | |
81 | ||
82 | /** | |
83 | * singleton function used to manage this object. | |
84 | * | |
85 | * @return object | |
86 | * @static | |
87 | */ | |
88 | static function &singleton($package = NULL, $msgCallback = FALSE, $contextCallback = FALSE, $throwPEAR_Error = FALSE, $stackClass = 'PEAR_ErrorStack') { | |
89 | if (self::$_singleton === NULL) { | |
90 | self::$_singleton = new CRM_Core_Error('CiviCRM'); | |
91 | } | |
92 | return self::$_singleton; | |
93 | } | |
94 | ||
95 | /** | |
96 | * construcor | |
97 | */ | |
98 | function __construct() { | |
99 | parent::__construct('CiviCRM'); | |
100 | ||
101 | $log = CRM_Core_Config::getLog(); | |
102 | $this->setLogger($log); | |
103 | ||
104 | // set up error handling for Pear Error Stack | |
105 | $this->setDefaultCallback(array($this, 'handlePES')); | |
106 | } | |
107 | ||
108 | function getMessages(&$error, $separator = '<br />') { | |
109 | if (is_a($error, 'CRM_Core_Error')) { | |
110 | $errors = $error->getErrors(); | |
111 | $message = array(); | |
112 | foreach ($errors as $e) { | |
113 | $message[] = $e['code'] . ': ' . $e['message']; | |
114 | } | |
115 | $message = implode($separator, $message); | |
116 | return $message; | |
117 | } | |
118 | return NULL; | |
119 | } | |
120 | ||
121 | function displaySessionError(&$error, $separator = '<br />') { | |
122 | $message = self::getMessages($error, $separator); | |
123 | if ($message) { | |
124 | $status = ts("Payment Processor Error message") . "{$separator} $message"; | |
125 | $session = CRM_Core_Session::singleton(); | |
126 | $session->setStatus($status); | |
127 | } | |
128 | } | |
129 | ||
130 | /** | |
131 | * create the main callback method. this method centralizes error processing. | |
132 | * | |
133 | * the errors we expect are from the pear modules DB, DB_DataObject | |
134 | * which currently use PEAR::raiseError to notify of error messages. | |
135 | * | |
136 | * @param object PEAR_Error | |
137 | * | |
138 | * @return void | |
139 | * @access public | |
140 | */ | |
141 | public static function handle($pearError) { | |
142 | ||
143 | // setup smarty with config, session and template location. | |
144 | $template = CRM_Core_Smarty::singleton(); | |
145 | $config = CRM_Core_Config::singleton(); | |
146 | ||
147 | if ($config->backtrace) { | |
148 | self::backtrace(); | |
149 | } | |
150 | ||
151 | // create the error array | |
152 | $error = array(); | |
153 | $error['callback'] = $pearError->getCallback(); | |
154 | $error['code'] = $pearError->getCode(); | |
155 | $error['message'] = $pearError->getMessage(); | |
156 | $error['mode'] = $pearError->getMode(); | |
157 | $error['debug_info'] = $pearError->getDebugInfo(); | |
158 | $error['type'] = $pearError->getType(); | |
159 | $error['user_info'] = $pearError->getUserInfo(); | |
160 | $error['to_string'] = $pearError->toString(); | |
161 | if (function_exists('mysql_error') && | |
162 | mysql_error() | |
163 | ) { | |
164 | $mysql_error = mysql_error() . ', ' . mysql_errno(); | |
165 | $template->assign_by_ref('mysql_code', $mysql_error); | |
166 | ||
167 | // execute a dummy query to clear error stack | |
168 | mysql_query('select 1'); | |
169 | } | |
170 | elseif (function_exists('mysqli_error')) { | |
171 | $dao = new CRM_Core_DAO(); | |
172 | ||
173 | // we do it this way, since calling the function | |
174 | // getDatabaseConnection could potentially result | |
175 | // in an infinite loop | |
176 | global $_DB_DATAOBJECT; | |
177 | if (isset($_DB_DATAOBJECT['CONNECTIONS'][$dao->_database_dsn_md5])) { | |
178 | $conn = $_DB_DATAOBJECT['CONNECTIONS'][$dao->_database_dsn_md5]; | |
179 | $link = $conn->connection; | |
180 | ||
181 | if (mysqli_error($link)) { | |
182 | $mysql_error = mysqli_error($link) . ', ' . mysqli_errno($link); | |
183 | $template->assign_by_ref('mysql_code', $mysql_error); | |
184 | ||
185 | // execute a dummy query to clear error stack | |
186 | mysqli_query($link, 'select 1'); | |
187 | } | |
188 | } | |
189 | } | |
190 | ||
191 | $template->assign_by_ref('error', $error); | |
192 | $errorDetails = CRM_Core_Error::debug('', $error, FALSE); | |
193 | $template->assign_by_ref('errorDetails', $errorDetails); | |
194 | ||
195 | CRM_Core_Error::debug_var('Fatal Error Details', $error); | |
196 | CRM_Core_Error::backtrace('backTrace', TRUE); | |
197 | ||
198 | if ($config->initialized) { | |
199 | $content = $template->fetch('CRM/common/fatal.tpl'); | |
200 | echo CRM_Utils_System::theme($content); | |
201 | } | |
202 | else { | |
203 | echo "Sorry. A non-recoverable error has occurred. The error trace below might help to resolve the issue<p>"; | |
204 | CRM_Core_Error::debug(NULL, $error); | |
205 | } | |
206 | ||
207 | self::abend(1); | |
208 | } | |
209 | ||
210 | // this function is used to trap and print errors | |
211 | // during system initialization time. Hence the error | |
212 | // message is quite ugly | |
213 | public static function simpleHandler($pearError) { | |
214 | ||
215 | // create the error array | |
216 | $error = array(); | |
217 | $error['callback'] = $pearError->getCallback(); | |
218 | $error['code'] = $pearError->getCode(); | |
219 | $error['message'] = $pearError->getMessage(); | |
220 | $error['mode'] = $pearError->getMode(); | |
221 | $error['debug_info'] = $pearError->getDebugInfo(); | |
222 | $error['type'] = $pearError->getType(); | |
223 | $error['user_info'] = $pearError->getUserInfo(); | |
224 | $error['to_string'] = $pearError->toString(); | |
225 | ||
226 | CRM_Core_Error::debug('Initialization Error', $error); | |
227 | ||
228 | // always log the backtrace to a file | |
229 | self::backtrace('backTrace', TRUE); | |
230 | ||
231 | exit(0); | |
232 | } | |
233 | ||
234 | /** | |
235 | * Handle errors raised using the PEAR Error Stack. | |
236 | * | |
237 | * currently the handler just requests the PES framework | |
238 | * to push the error to the stack (return value PEAR_ERRORSTACK_PUSH). | |
239 | * | |
240 | * Note: we can do our own error handling here and return PEAR_ERRORSTACK_IGNORE. | |
241 | * | |
242 | * Also, if we do not return any value the PEAR_ErrorStack::push() then does the | |
243 | * action of PEAR_ERRORSTACK_PUSHANDLOG which displays the errors on the screen, | |
244 | * since the logger set for this error stack is 'display' - see CRM_Core_Config::getLog(); | |
245 | * | |
246 | */ | |
247 | public static function handlePES($pearError) { | |
248 | return PEAR_ERRORSTACK_PUSH; | |
249 | } | |
250 | ||
251 | /** | |
252 | * display an error page with an error message describing what happened | |
253 | * | |
254 | * @param string message the error message | |
255 | * @param string code the error code if any | |
256 | * @param string email the email address to notify of this situation | |
257 | * | |
258 | * @return void | |
259 | * @static | |
260 | * @acess public | |
261 | */ | |
262 | static function fatal($message = NULL, $code = NULL, $email = NULL) { | |
263 | $vars = array( | |
264 | 'message' => $message, | |
265 | 'code' => $code, | |
266 | ); | |
267 | ||
268 | if (self::$modeException) { | |
269 | // CRM-11043 | |
270 | CRM_Core_Error::debug_var('Fatal Error Details', $vars); | |
271 | CRM_Core_Error::backtrace('backTrace', TRUE); | |
272 | ||
273 | $details = 'A fatal error was triggered'; | |
274 | if ($message) { | |
275 | $details .= ': ' . $message; | |
276 | } | |
277 | throw new Exception($details, $code); | |
278 | } | |
279 | ||
280 | if (!$message) { | |
281 | $message = ts('We experienced an unexpected error. Please post a detailed description and the backtrace on the CiviCRM forums: %1', array(1 => 'http://forum.civicrm.org/')); | |
282 | } | |
283 | ||
284 | if (php_sapi_name() == "cli") { | |
285 | print ("Sorry. A non-recoverable error has occurred.\n$message \n$code\n$email\n\n"); | |
286 | debug_print_backtrace(); | |
287 | die("\n"); | |
288 | // FIXME: Why doesn't this call abend()? | |
289 | // Difference: abend() will cleanup transaction and (via civiExit) store session state | |
290 | // self::abend(CRM_Core_Error::FATAL_ERROR); | |
291 | } | |
292 | ||
293 | $config = CRM_Core_Config::singleton(); | |
294 | ||
295 | if ($config->fatalErrorHandler && | |
296 | function_exists($config->fatalErrorHandler) | |
297 | ) { | |
298 | $name = $config->fatalErrorHandler; | |
299 | $ret = $name($vars); | |
300 | if ($ret) { | |
301 | // the call has been successfully handled | |
302 | // so we just exit | |
303 | self::abend(CRM_Core_Error::FATAL_ERROR); | |
304 | } | |
305 | } | |
306 | ||
307 | if ($config->backtrace) { | |
308 | self::backtrace(); | |
309 | } | |
310 | ||
311 | $template = CRM_Core_Smarty::singleton(); | |
312 | $template->assign($vars); | |
313 | ||
314 | CRM_Core_Error::debug_var('Fatal Error Details', $vars); | |
315 | CRM_Core_Error::backtrace('backTrace', TRUE); | |
316 | $content = $template->fetch($config->fatalErrorTemplate); | |
317 | if ($config->userFramework == 'Joomla' && class_exists('JError')) { | |
318 | JError::raiseError('CiviCRM-001', $content); | |
319 | } | |
320 | else { | |
321 | echo CRM_Utils_System::theme($content); | |
322 | } | |
323 | ||
324 | self::abend(CRM_Core_Error::FATAL_ERROR); | |
325 | } | |
326 | ||
327 | /** | |
328 | * display an error page with an error message describing what happened | |
329 | * | |
330 | * This function is evil -- it largely replicates fatal(). Hopefully the | |
331 | * entire CRM_Core_Error system can be hollowed out and replaced with | |
332 | * something that follows a cleaner separation of concerns. | |
333 | * | |
334 | * @param Exception $exception | |
335 | * | |
336 | * @return void | |
337 | * @static | |
338 | * @acess public | |
339 | */ | |
340 | static function handleUnhandledException($exception) { | |
341 | $config = CRM_Core_Config::singleton(); | |
342 | $vars = array( | |
343 | 'message' => $exception->getMessage(), | |
344 | 'code' => NULL, | |
345 | 'exception' => $exception, | |
346 | ); | |
347 | if (!$vars['message']) { | |
348 | $vars['message'] = ts('We experienced an unexpected error. Please post a detailed description and the backtrace on the CiviCRM forums: %1', array(1 => 'http://forum.civicrm.org/')); | |
349 | } | |
350 | ||
351 | // Case A: CLI | |
352 | if (php_sapi_name() == "cli") { | |
353 | printf("Sorry. A non-recoverable error has occurred.\n%s\n", $vars['message']); | |
354 | print self::formatTextException($exception); | |
355 | die("\n"); | |
356 | // FIXME: Why doesn't this call abend()? | |
357 | // Difference: abend() will cleanup transaction and (via civiExit) store session state | |
358 | // self::abend(CRM_Core_Error::FATAL_ERROR); | |
359 | } | |
360 | ||
361 | // Case B: Custom error handler | |
362 | if ($config->fatalErrorHandler && | |
363 | function_exists($config->fatalErrorHandler) | |
364 | ) { | |
365 | $name = $config->fatalErrorHandler; | |
366 | $ret = $name($vars); | |
367 | if ($ret) { | |
368 | // the call has been successfully handled | |
369 | // so we just exit | |
370 | self::abend(CRM_Core_Error::FATAL_ERROR); | |
371 | } | |
372 | } | |
373 | ||
374 | // Case C: Default error handler | |
375 | ||
376 | // log to file | |
377 | CRM_Core_Error::debug_var('Fatal Error Details', $vars); | |
378 | CRM_Core_Error::backtrace('backTrace', TRUE); | |
379 | ||
380 | // print to screen | |
381 | $template = CRM_Core_Smarty::singleton(); | |
382 | $template->assign($vars); | |
383 | $content = $template->fetch($config->fatalErrorTemplate); | |
384 | if ($config->backtrace) { | |
385 | $content = self::formatHtmlException($exception) . $content; | |
386 | } | |
387 | if ($config->userFramework == 'Joomla' && | |
388 | class_exists('JError') | |
389 | ) { | |
390 | JError::raiseError('CiviCRM-001', $content); | |
391 | } | |
392 | else { | |
393 | echo CRM_Utils_System::theme($content); | |
394 | } | |
395 | ||
396 | // fin | |
397 | self::abend(CRM_Core_Error::FATAL_ERROR); | |
398 | } | |
399 | ||
400 | /** | |
401 | * outputs pre-formatted debug information. Flushes the buffers | |
402 | * so we can interrupt a potential POST/redirect | |
403 | * | |
404 | * @param string name of debug section | |
405 | * @param mixed reference to variables that we need a trace of | |
406 | * @param bool should we log or return the output | |
407 | * @param bool whether to generate a HTML-escaped output | |
408 | * | |
409 | * @return string the generated output | |
410 | * @access public | |
411 | * @static | |
412 | */ | |
413 | static function debug($name, $variable = NULL, $log = TRUE, $html = TRUE) { | |
414 | $error = self::singleton(); | |
415 | ||
416 | if ($variable === NULL) { | |
417 | $variable = $name; | |
418 | $name = NULL; | |
419 | } | |
420 | ||
421 | $out = print_r($variable, TRUE); | |
422 | $prefix = NULL; | |
423 | if ($html) { | |
424 | $out = htmlspecialchars($out); | |
425 | if ($name) { | |
426 | $prefix = "<p>$name</p>"; | |
427 | } | |
428 | $out = "{$prefix}<p><pre>$out</pre></p><p></p>"; | |
429 | } | |
430 | else { | |
431 | if ($name) { | |
432 | $prefix = "$name:\n"; | |
433 | } | |
434 | $out = "{$prefix}$out\n"; | |
435 | } | |
436 | if ($log && CRM_Core_Permission::check('view debug output')) { | |
437 | echo $out; | |
438 | } | |
439 | ||
440 | return $out; | |
441 | } | |
442 | ||
443 | /** | |
444 | * Similar to the function debug. Only difference is | |
445 | * in the formatting of the output. | |
446 | * | |
447 | * @param string variable name | |
448 | * @param mixed reference to variables that we need a trace of | |
449 | * @param bool should we use print_r ? (else we use var_dump) | |
450 | * @param bool should we log or return the output | |
451 | * | |
452 | * @return string the generated output | |
453 | * | |
454 | * @access public | |
455 | * | |
456 | * @static | |
457 | * | |
458 | * @see CRM_Core_Error::debug() | |
459 | * @see CRM_Core_Error::debug_log_message() | |
460 | */ | |
461 | static function debug_var($variable_name, | |
462 | $variable, | |
463 | $print = TRUE, | |
464 | $log = TRUE, | |
465 | $comp = '' | |
466 | ) { | |
467 | // check if variable is set | |
468 | if (!isset($variable)) { | |
469 | $out = "\$$variable_name is not set"; | |
470 | } | |
471 | else { | |
472 | if ($print) { | |
473 | $out = print_r($variable, TRUE); | |
474 | $out = "\$$variable_name = $out"; | |
475 | } | |
476 | else { | |
477 | // use var_dump | |
478 | ob_start(); | |
479 | var_dump($variable); | |
480 | $dump = ob_get_contents(); | |
481 | ob_end_clean(); | |
482 | $out = "\n\$$variable_name = $dump"; | |
483 | } | |
484 | // reset if it is an array | |
485 | if (is_array($variable)) { | |
486 | reset($variable); | |
487 | } | |
488 | } | |
489 | return self::debug_log_message($out, FALSE, $comp); | |
490 | } | |
491 | ||
492 | /** | |
493 | * display the error message on terminal | |
494 | * | |
495 | * @param string message to be output | |
496 | * @param bool should we log or return the output | |
497 | * | |
498 | * @return string format of the backtrace | |
499 | * | |
500 | * @access public | |
501 | * | |
502 | * @static | |
503 | */ | |
504 | static function debug_log_message($message, $out = FALSE, $comp = '') { | |
505 | $config = CRM_Core_Config::singleton(); | |
506 | ||
507 | $file_log = self::createDebugLogger($comp); | |
508 | $file_log->log("$message\n"); | |
509 | $str = "<p/><code>$message</code>"; | |
510 | if ($out && CRM_Core_Permission::check('view debug output')) { | |
511 | echo $str; | |
512 | } | |
513 | $file_log->close(); | |
514 | ||
515 | if ($config->userFrameworkLogging) { | |
516 | if ($config->userSystem->is_drupal and function_exists('watchdog')) { | |
517 | watchdog('civicrm', $message, NULL, WATCHDOG_DEBUG); | |
518 | } | |
519 | } | |
520 | ||
521 | return $str; | |
522 | } | |
523 | ||
524 | /** | |
525 | * Append to the query log (if enabled) | |
526 | */ | |
527 | static function debug_query($string) { | |
528 | if ( defined( 'CIVICRM_DEBUG_LOG_QUERY' ) ) { | |
529 | if ( CIVICRM_DEBUG_LOG_QUERY == 'backtrace' ) { | |
530 | CRM_Core_Error::backtrace( $string, true ); | |
531 | } else if ( CIVICRM_DEBUG_LOG_QUERY ) { | |
532 | CRM_Core_Error::debug_var( 'Query', $string, false, true ); | |
533 | } | |
534 | } | |
535 | } | |
536 | ||
537 | /** | |
538 | * Obtain a reference to the error log | |
539 | * | |
540 | * @return Log | |
541 | */ | |
542 | static function createDebugLogger($comp = '') { | |
543 | $config = CRM_Core_Config::singleton(); | |
544 | ||
545 | if ($comp) { | |
546 | $comp = $comp . '.'; | |
547 | } | |
548 | ||
549 | $fileName = "{$config->configAndLogDir}CiviCRM." . $comp . md5($config->dsn) . '.log'; | |
550 | ||
551 | // Roll log file monthly or if greater than 256M | |
552 | // note that PHP file functions have a limit of 2G and hence | |
553 | // the alternative was introduce | |
554 | if (file_exists($fileName)) { | |
555 | $fileTime = date("Ym", filemtime($fileName)); | |
556 | $fileSize = filesize($fileName); | |
557 | if (($fileTime < date('Ym')) || | |
558 | ($fileSize > 256 * 1024 * 1024) || | |
559 | ($fileSize < 0) | |
560 | ) { | |
561 | rename($fileName, | |
562 | $fileName . '.' . date('Ymdhs', mktime(0, 0, 0, date("m") - 1, date("d"), date("Y"))) | |
563 | ); | |
564 | } | |
565 | } | |
566 | ||
567 | return Log::singleton('file', $fileName); | |
568 | } | |
569 | ||
570 | static function backtrace($msg = 'backTrace', $log = FALSE) { | |
571 | $backTrace = debug_backtrace(); | |
572 | $message = self::formatBacktrace($backTrace); | |
573 | if (!$log) { | |
574 | CRM_Core_Error::debug($msg, $message); | |
575 | } | |
576 | else { | |
577 | CRM_Core_Error::debug_var($msg, $message); | |
578 | } | |
579 | } | |
580 | ||
581 | /** | |
582 | * Render a backtrace array as a string | |
583 | * | |
584 | * @param array $backTrace array of stack frames | |
585 | * @param boolean $showArgs TRUE if we should try to display content of function arguments (which could be sensitive); FALSE to display only the type of each function argument | |
586 | * @param int $maxArgLen maximum number of characters to show from each argument string | |
587 | * @return string printable plain-text | |
588 | * @see debug_backtrace | |
589 | * @see Exception::getTrace() | |
590 | */ | |
591 | static function formatBacktrace($backTrace, $showArgs = TRUE, $maxArgLen = 80) { | |
592 | $message = ''; | |
593 | foreach ($backTrace as $idx => $trace) { | |
594 | $args = array(); | |
595 | $fnName = CRM_Utils_Array::value('function', $trace); | |
596 | $className = array_key_exists('class', $trace) ? ($trace['class'] . $trace['type']) : ''; | |
597 | ||
598 | // do now show args for a few password related functions | |
599 | $skipArgs = ($className == 'DB::' && $fnName == 'connect') ? TRUE : FALSE; | |
600 | ||
601 | foreach ($trace['args'] as $arg) { | |
602 | if (! $showArgs || $skipArgs) { | |
603 | $args[] = '(' . gettype($arg) . ')'; | |
604 | continue; | |
605 | } | |
606 | switch ($type = gettype($arg)) { | |
607 | case 'boolean': | |
608 | $args[] = $arg ? 'TRUE' : 'FALSE'; | |
609 | break; | |
610 | case 'integer': | |
611 | case 'double': | |
612 | $args[] = $arg; | |
613 | break; | |
614 | case 'string': | |
615 | $args[] = '"' . CRM_Utils_String::ellipsify(addcslashes((string) $arg, "\r\n\t\""), $maxArgLen). '"'; | |
616 | break; | |
617 | case 'array': | |
618 | $args[] = '(Array:'.count($arg).')'; | |
619 | break; | |
620 | case 'object': | |
621 | $args[] = 'Object(' . get_class($arg) . ')'; | |
622 | break; | |
623 | case 'resource': | |
624 | $args[] = 'Resource'; | |
625 | break; | |
626 | case 'NULL': | |
627 | $args[] = 'NULL'; | |
628 | break; | |
629 | default: | |
630 | $args[] = "($type)"; | |
631 | break; | |
632 | } | |
633 | } | |
634 | ||
635 | $message .= sprintf( | |
636 | "#%s %s(%s): %s%s(%s)\n", | |
637 | $idx, | |
638 | CRM_Utils_Array::value('file', $trace, '[internal function]'), | |
639 | CRM_Utils_Array::value('line', $trace, ''), | |
640 | $className, | |
641 | $fnName, | |
642 | implode(", ", $args) | |
643 | ); | |
644 | } | |
645 | $message .= sprintf("#%s {main}\n", 1+$idx); | |
646 | return $message; | |
647 | } | |
648 | ||
649 | /** | |
650 | * Render an exception as HTML string | |
651 | * | |
652 | * @param Exception $e | |
653 | * @return string printable HTML text | |
654 | */ | |
655 | static function formatHtmlException(Exception $e) { | |
656 | $msg = ''; | |
657 | ||
658 | // Exception metadata | |
659 | ||
660 | // Exception backtrace | |
661 | if ($e instanceof PEAR_Exception) { | |
662 | $ei = $e; | |
663 | while (is_callable(array($ei, 'getCause'))) { | |
664 | if ($ei->getCause() instanceof PEAR_Error) { | |
665 | $msg .= '<table class="crm-db-error">'; | |
666 | $msg .= sprintf('<thead><tr><th>%s</th><th>%s</th></tr></thead>', ts('Error Field'), ts('Error Value')); | |
667 | $msg .= '<tbody>'; | |
668 | foreach (array('Type', 'Code', 'Message', 'Mode', 'UserInfo', 'DebugInfo') as $f) { | |
669 | $msg .= sprintf('<tr><td>%s</td><td>%s</td></tr>', $f, call_user_func(array($ei->getCause(), "get$f"))); | |
670 | } | |
671 | $msg .= '</tbody></table>'; | |
672 | } | |
673 | $ei = $ei->getCause(); | |
674 | } | |
675 | $msg .= $e->toHtml(); | |
676 | } else { | |
677 | $msg .= '<p><b>' . get_class($e) . ': "' . htmlentities($e->getMessage()) . '"</b></p>'; | |
678 | $msg .= '<pre>' . htmlentities(self::formatBacktrace($e->getTrace())) . '</pre>'; | |
679 | } | |
680 | return $msg; | |
681 | } | |
682 | ||
683 | /** | |
684 | * Write details of an exception to the log | |
685 | * | |
686 | * @param Exception $e | |
687 | * @return string printable plain text | |
688 | */ | |
689 | static function formatTextException(Exception $e) { | |
690 | $msg = get_class($e) . ": \"" . $e->getMessage() . "\"\n"; | |
691 | ||
692 | $ei = $e; | |
693 | while (is_callable(array($ei, 'getCause'))) { | |
694 | if ($ei->getCause() instanceof PEAR_Error) { | |
695 | foreach (array('Type', 'Code', 'Message', 'Mode', 'UserInfo', 'DebugInfo') as $f) { | |
696 | $msg .= sprintf(" * ERROR %s: %s\n", strtoupper($f), call_user_func(array($ei->getCause(), "get$f"))); | |
697 | } | |
698 | } | |
699 | $ei = $ei->getCause(); | |
700 | } | |
701 | $msg .= self::formatBacktrace($e->getTrace()); | |
702 | return $msg; | |
703 | } | |
704 | ||
705 | static function createError($message, $code = 8000, $level = 'Fatal', $params = NULL) { | |
706 | $error = CRM_Core_Error::singleton(); | |
707 | $error->push($code, $level, array($params), $message); | |
708 | return $error; | |
709 | } | |
710 | ||
711 | /** | |
712 | * Set a status message in the session, then bounce back to the referrer. | |
713 | * | |
714 | * @param string $status The status message to set | |
715 | * | |
716 | * @return void | |
717 | * @access public | |
718 | * @static | |
719 | */ | |
720 | public static function statusBounce($status, $redirect = NULL) { | |
721 | $session = CRM_Core_Session::singleton(); | |
722 | if (!$redirect) { | |
723 | $redirect = $session->readUserContext(); | |
724 | } | |
725 | $session->setStatus($status); | |
726 | CRM_Utils_System::redirect($redirect); | |
727 | } | |
728 | ||
729 | /** | |
730 | * Function to reset the error stack | |
731 | * | |
732 | * @access public | |
733 | * @static | |
734 | */ | |
735 | public static function reset() { | |
736 | $error = self::singleton(); | |
737 | $error->_errors = array(); | |
738 | $error->_errorsByLevel = array(); | |
739 | } | |
740 | ||
741 | public static function ignoreException($callback = NULL) { | |
742 | if (!$callback) { | |
743 | $callback = array('CRM_Core_Error', 'nullHandler'); | |
744 | } | |
745 | ||
746 | $GLOBALS['_PEAR_default_error_mode'] = PEAR_ERROR_CALLBACK; | |
747 | $GLOBALS['_PEAR_default_error_options'] = $callback; | |
748 | } | |
749 | ||
750 | public static function exceptionHandler($pearError) { | |
751 | CRM_Core_Error::backtrace('backTrace', TRUE); | |
752 | throw new PEAR_Exception($pearError->getMessage(), $pearError); | |
753 | } | |
754 | ||
755 | /** | |
756 | * Error handler to quietly catch otherwise fatal smtp transport errors. | |
757 | * | |
758 | * @param object $obj The PEAR_ERROR object | |
759 | * | |
760 | * @return object $obj | |
761 | * @access public | |
762 | * @static | |
763 | */ | |
764 | public static function nullHandler($obj) { | |
765 | CRM_Core_Error::debug_log_message("Ignoring exception thrown by nullHandler: {$obj->code}, {$obj->message}"); | |
766 | CRM_Core_Error::backtrace('backTrace', TRUE); | |
767 | return $obj; | |
768 | } | |
769 | ||
770 | /** | |
771 | * (Re)set the default callback method | |
772 | * | |
773 | * @return void | |
774 | * @access public | |
775 | * @static | |
776 | */ | |
777 | public static function setCallback($callback = NULL) { | |
778 | if (!$callback) { | |
779 | $callback = array('CRM_Core_Error', 'handle'); | |
780 | } | |
781 | $GLOBALS['_PEAR_default_error_mode'] = PEAR_ERROR_CALLBACK; | |
782 | $GLOBALS['_PEAR_default_error_options'] = $callback; | |
783 | } | |
784 | ||
785 | /* | |
786 | * @deprecated | |
787 | * This function is no longer used by v3 api. | |
788 | * @fixme Some core files call it but it should be re-thought & renamed or removed | |
789 | */ | |
790 | public static function &createAPIError($msg, $data = NULL) { | |
791 | if (self::$modeException) { | |
792 | throw new Exception($msg, $data); | |
793 | } | |
794 | ||
795 | $values = array(); | |
796 | ||
797 | $values['is_error'] = 1; | |
798 | $values['error_message'] = $msg; | |
799 | if (isset($data)) { | |
800 | $values = array_merge($values, $data); | |
801 | } | |
802 | return $values; | |
803 | } | |
804 | ||
805 | public static function movedSiteError($file) { | |
806 | $url = CRM_Utils_System::url('civicrm/admin/setting/updateConfigBackend', | |
807 | 'reset=1', | |
808 | TRUE | |
809 | ); | |
810 | echo "We could not write $file. Have you moved your site directory or server?<p>"; | |
811 | echo "Please fix the setting by running the <a href=\"$url\">update config script</a>"; | |
812 | exit(); | |
813 | } | |
814 | ||
815 | /** | |
816 | * Terminate execution abnormally | |
817 | */ | |
818 | protected static function abend($code) { | |
819 | // do a hard rollback of any pending transactions | |
820 | // if we've come here, its because of some unexpected PEAR errors | |
821 | CRM_Core_Transaction::forceRollbackIfEnabled(); | |
822 | CRM_Utils_System::civiExit($code); | |
823 | } | |
824 | ||
825 | public static function isAPIError($error, $type = CRM_Core_Error::FATAL_ERROR) { | |
826 | if (is_array($error) && CRM_Utils_Array::value('is_error', $error)) { | |
827 | $code = $error['error_message']['code']; | |
828 | if ($code == $type) { | |
829 | return TRUE; | |
830 | } | |
831 | } | |
832 | return FALSE; | |
833 | } | |
834 | } | |
835 | ||
836 | $e = new PEAR_ErrorStack('CRM'); | |
837 | $e->singleton('CRM', FALSE, NULL, 'CRM_Core_Error'); |