API
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Archive
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Archiver
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Auth
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Changes
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CliMulti
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Columns
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Concurrency
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Config
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Container
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DataAccess
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DataFiles
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Db
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DeviceDetector
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Email
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Exception
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Log
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Mail
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Measurable
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Period
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Policy
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Scheduler
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Settings
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Tracker
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Translation
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Access.php
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Auth.php
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AuthResult.php
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Notification.php
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SettingsPiwik.php
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SettingsServer.php
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testMinimumPhpVersion.php
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ExceptionHandler.php
198 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Matomo - free/libre analytics platform |
| 5 | * |
| 6 | * @link https://matomo.org |
| 7 | * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later |
| 8 | */ |
| 9 | namespace Piwik; |
| 10 | |
| 11 | use Piwik\Exception\DI\DependencyException; |
| 12 | use Exception; |
| 13 | use Piwik\API\Request; |
| 14 | use Piwik\API\ResponseBuilder; |
| 15 | use Piwik\Container\ContainerDoesNotExistException; |
| 16 | use Piwik\Container\StaticContainer; |
| 17 | use Piwik\Exception\IRedirectException; |
| 18 | use Piwik\Http\HttpCodeException; |
| 19 | use Piwik\Plugins\CoreAdminHome\CustomLogo; |
| 20 | use Piwik\Plugins\Monolog\Processor\ExceptionToTextProcessor; |
| 21 | use Piwik\Log\LoggerInterface; |
| 22 | /** |
| 23 | * Contains Piwik's uncaught exception handler. |
| 24 | */ |
| 25 | class ExceptionHandler |
| 26 | { |
| 27 | public static function setUp() |
| 28 | { |
| 29 | set_exception_handler(['Piwik\\ExceptionHandler', 'handleException']); |
| 30 | } |
| 31 | /** |
| 32 | * @param Exception|\Throwable $exception |
| 33 | */ |
| 34 | public static function handleException($exception) |
| 35 | { |
| 36 | if (\Piwik\Common::isPhpCliMode()) { |
| 37 | self::dieWithCliError($exception); |
| 38 | } |
| 39 | self::dieWithHtmlErrorPage($exception); |
| 40 | } |
| 41 | /** |
| 42 | * @param Exception|\Throwable $exception |
| 43 | */ |
| 44 | public static function dieWithCliError($exception) |
| 45 | { |
| 46 | self::logException($exception); |
| 47 | $message = $exception->getMessage(); |
| 48 | if (!method_exists($exception, 'isHtmlMessage') || !$exception->isHtmlMessage()) { |
| 49 | $message = strip_tags(str_replace('<br />', \PHP_EOL, $message)); |
| 50 | } |
| 51 | $message = sprintf("Uncaught exception in %s line %d:\n%s\n", $exception->getFile(), $exception->getLine(), ExceptionToTextProcessor::getMessageAndWholeBacktrace($exception)); |
| 52 | echo $message; |
| 53 | exit(1); |
| 54 | } |
| 55 | /** |
| 56 | * @param Exception|\Throwable $exception |
| 57 | */ |
| 58 | public static function dieWithHtmlErrorPage($exception) |
| 59 | { |
| 60 | // Set an appropriate HTTP response code. |
| 61 | switch (\true) { |
| 62 | case $exception instanceof HttpCodeException && $exception->getCode() > 0: |
| 63 | // For these exception types, use the exception-provided error code. |
| 64 | http_response_code($exception->getCode()); |
| 65 | break; |
| 66 | case $exception instanceof \Piwik\Exception\NotYetInstalledException: |
| 67 | http_response_code(404); |
| 68 | break; |
| 69 | default: |
| 70 | http_response_code(500); |
| 71 | } |
| 72 | // Log the error with an appropriate loglevel. |
| 73 | switch (\true) { |
| 74 | case $exception instanceof HttpCodeException && $exception->getCode() >= 400 && $exception->getCode() < 500: |
| 75 | // Log exceptions, resulting in 4xx HTTP status code, only at debug level |
| 76 | self::logException($exception, \Piwik\Log::DEBUG); |
| 77 | break; |
| 78 | default: |
| 79 | self::logException($exception); |
| 80 | } |
| 81 | \Piwik\Common::sendHeader('Content-Type: text/html; charset=utf-8'); |
| 82 | try { |
| 83 | echo self::getErrorResponse($exception); |
| 84 | } catch (Exception $e) { |
| 85 | // When there are failures while generating the HTML error response itself, |
| 86 | // we simply print out the error message instead. |
| 87 | echo $exception->getMessage(); |
| 88 | } |
| 89 | exit(1); |
| 90 | } |
| 91 | public static function replaceSensitiveValues(string $message) : string |
| 92 | { |
| 93 | $dbConfig = \Piwik\Db::getDatabaseConfig(); |
| 94 | $valuesToReplace = ['tokenauth' => \Piwik\Piwik::getCurrentUserTokenAuth(), 'generalSalt' => \Piwik\SettingsPiwik::getSalt(), 'dbuser' => $dbConfig['username'], 'dbpass' => $dbConfig['password']]; |
| 95 | $mailConfig = \Piwik\Config::getInstance()->mail; |
| 96 | if (!empty($mailConfig['username'])) { |
| 97 | $valuesToReplace['smtpuser'] = $mailConfig['username']; |
| 98 | } |
| 99 | if (!empty($mailConfig['password'])) { |
| 100 | $valuesToReplace['smtppass'] = $mailConfig['password']; |
| 101 | } |
| 102 | // Remove possible empty entries |
| 103 | $valuesToReplace = array_filter($valuesToReplace); |
| 104 | // replace all sensitive values |
| 105 | $message = str_replace(array_values($valuesToReplace), array_keys($valuesToReplace), $message); |
| 106 | // remove the document root from all messages |
| 107 | return str_replace(PIWIK_DOCUMENT_ROOT, '', $message); |
| 108 | } |
| 109 | /** |
| 110 | * @param Exception|\Throwable $ex |
| 111 | */ |
| 112 | private static function getErrorResponse($ex) |
| 113 | { |
| 114 | $debugTrace = self::replaceSensitiveValues($ex->getTraceAsString()); |
| 115 | $message = $ex->getMessage(); |
| 116 | $isHtmlMessage = method_exists($ex, 'isHtmlMessage') && $ex->isHtmlMessage(); |
| 117 | if (!$isHtmlMessage && Request::isApiRequest($_GET)) { |
| 118 | $outputFormat = strtolower(\Piwik\Common::getRequestVar('format', 'xml', 'string', $_GET + $_POST)); |
| 119 | $response = new ResponseBuilder($outputFormat); |
| 120 | return $response->getResponseException($ex); |
| 121 | } elseif (!$isHtmlMessage) { |
| 122 | $message = \Piwik\Common::sanitizeInputValue($message); |
| 123 | } |
| 124 | $logoHeaderUrl = 'plugins/Morpheus/images/logo.svg'; |
| 125 | $logoFaviconUrl = 'plugins/CoreHome/images/favicon.png'; |
| 126 | try { |
| 127 | $logo = new CustomLogo(); |
| 128 | if ($logo->hasSVGLogo()) { |
| 129 | $logoHeaderUrl = $logo->getSVGLogoUrl(); |
| 130 | } else { |
| 131 | $logoHeaderUrl = $logo->getHeaderLogoUrl(); |
| 132 | } |
| 133 | $logoFaviconUrl = $logo->getPathUserFavicon(); |
| 134 | } catch (Exception $ex) { |
| 135 | try { |
| 136 | \Piwik\Log::debug($ex); |
| 137 | } catch (\Exception $otherEx) { |
| 138 | // DI container may not be setup at this point |
| 139 | } |
| 140 | } |
| 141 | // Exceptions that should result in 4xx status code should not be logged |
| 142 | $writeErrorLog = !($ex instanceof HttpCodeException && $ex->getCode() >= 400 && $ex->getCode() < 500); |
| 143 | $redirectUrl = null; |
| 144 | $countdownToRedirect = null; |
| 145 | if ($ex instanceof IRedirectException) { |
| 146 | $redirectUrl = $ex->getRedirectionUrl(); |
| 147 | $countdownToRedirect = $ex->getCountdown(); |
| 148 | } |
| 149 | $hostname = \Piwik\Url::getRFCValidHostname(); |
| 150 | $hostStr = $hostname ? "[{$hostname}] " : '- '; |
| 151 | $result = Piwik_GetErrorMessagePage($message, $debugTrace, \true, \true, $logoHeaderUrl, $logoFaviconUrl, null, $hostStr, $writeErrorLog, $redirectUrl, $countdownToRedirect); |
| 152 | try { |
| 153 | /** |
| 154 | * Triggered before a Piwik error page is displayed to the user. |
| 155 | * |
| 156 | * This event can be used to modify the content of the error page that is displayed when |
| 157 | * an exception is caught. |
| 158 | * |
| 159 | * @param string &$result The HTML of the error page. |
| 160 | * @param Exception $ex The Exception displayed in the error page. |
| 161 | */ |
| 162 | \Piwik\Piwik::postEvent('FrontController.modifyErrorPage', [&$result, $ex]); |
| 163 | } catch (ContainerDoesNotExistException $ex) { |
| 164 | // this can happen when an error occurs before the Piwik environment is created |
| 165 | } |
| 166 | return $result; |
| 167 | } |
| 168 | public static function shouldPrintBackTraceWithMessage() : bool |
| 169 | { |
| 170 | if (class_exists('\\Piwik\\SettingsServer') && class_exists('\\Piwik\\Common') && \Piwik\SettingsServer::isArchivePhpTriggered() && \Piwik\Common::isPhpCliMode()) { |
| 171 | return \true; |
| 172 | } |
| 173 | try { |
| 174 | $isDevelopmentModeEnabled = \Piwik\Development::isEnabled(); |
| 175 | } catch (Exception $e) { |
| 176 | $isDevelopmentModeEnabled = \false; |
| 177 | } |
| 178 | return $isDevelopmentModeEnabled || defined('PIWIK_PRINT_ERROR_BACKTRACE') && PIWIK_PRINT_ERROR_BACKTRACE || !empty($GLOBALS['PIWIK_PRINT_ERROR_BACKTRACE']) || !empty($GLOBALS['PIWIK_TRACKER_DEBUG']); |
| 179 | } |
| 180 | private static function logException($exception, $loglevel = \Piwik\Log::ERROR) |
| 181 | { |
| 182 | try { |
| 183 | switch ($loglevel) { |
| 184 | case \Piwik\Log::DEBUG: |
| 185 | StaticContainer::get(LoggerInterface::class)->debug('Uncaught exception: {exception}', ['exception' => $exception, 'ignoreInScreenWriter' => \true]); |
| 186 | break; |
| 187 | case \Piwik\Log::ERROR: |
| 188 | default: |
| 189 | StaticContainer::get(LoggerInterface::class)->error('Uncaught exception: {exception}', ['exception' => $exception, 'ignoreInScreenWriter' => \true]); |
| 190 | } |
| 191 | } catch (DependencyException $ex) { |
| 192 | // ignore (occurs if exception is thrown when resolving DI entries) |
| 193 | } catch (ContainerDoesNotExistException $ex) { |
| 194 | // ignore |
| 195 | } |
| 196 | } |
| 197 | } |
| 198 |