| 1 | <?php |
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| 22 | |
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| 23 | class Piwik_Tracker |
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| 24 | { |
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| 25 | protected $stateValid = self::STATE_NOTHING_TO_NOTICE; |
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| 26 | |
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| 27 | |
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| 28 | |
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| 29 | protected static $db = null; |
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| 30 | |
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| 31 | const STATE_NOTHING_TO_NOTICE = 1; |
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| 32 | const STATE_LOGGING_DISABLE = 10; |
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| 33 | const STATE_EMPTY_REQUEST = 11; |
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| 34 | const STATE_NOSCRIPT_REQUEST = 13; |
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| 35 | |
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| 36 | |
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| 37 | const LENGTH_HEX_ID_STRING = 16; |
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| 38 | const LENGTH_BINARY_ID = 8; |
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| 39 | |
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| 40 | |
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| 41 | const MAX_CUSTOM_VARIABLES = 5; |
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| 42 | const MAX_LENGTH_CUSTOM_VARIABLE = 200; |
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| 43 | |
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| 44 | protected $authenticated = false; |
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| 45 | static protected $toDatabase = true; |
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| 46 | static protected $toSyslog = true; |
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| 47 | static protected $forcedDateTime = null; |
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| 48 | static protected $forcedIpString = null; |
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| 49 | static protected $forcedVisitorId = null; |
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| 50 | |
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| 51 | static protected $pluginsNotToLoad = array(); |
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| 52 | |
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| 53 | public function __construct($args = null) |
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| 54 | { |
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| 55 | $this->request = $args ? $args : $_GET + $_POST; |
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| 56 | } |
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| 57 | public static function setForceIp($ipString) |
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| 58 | { |
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| 59 | self::$forcedIpString = $ipString; |
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| 60 | } |
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| 61 | public static function setForceDateTime( $dateTime ) |
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| 62 | { |
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| 63 | self::$forcedDateTime = $dateTime; |
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| 64 | } |
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| 65 | |
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| 66 | public static function setForceVisitorId($visitorId) |
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| 67 | { |
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| 68 | self::$forcedVisitorId = $visitorId; |
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| 69 | } |
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| 70 | |
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| 71 | public function getCurrentTimestamp() |
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| 72 | { |
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| 73 | if(!is_null(self::$forcedDateTime)) |
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| 74 | { |
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| 75 | return strtotime(self::$forcedDateTime); |
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| 76 | } |
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| 77 | return time(); |
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| 78 | } |
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| 79 | |
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| 80 | |
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| 81 | |
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| 82 | |
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| 83 | |
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| 84 | static public function setPluginsNotToLoad($plugins) |
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| 85 | { |
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| 86 | self::$pluginsNotToLoad = $plugins; |
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| 87 | } |
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| 88 | |
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| 89 | |
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| 90 | |
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| 91 | |
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| 92 | |
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| 93 | |
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| 94 | static public function getPluginsNotToLoad() |
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| 95 | { |
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| 96 | return self::$pluginsNotToLoad; |
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| 97 | } |
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| 98 | protected function timeMeasure() |
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| 99 | { |
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| 100 | list($msec, $sec) = explode(chr(32), microtime()); |
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| 101 | return ($sec + $msec); |
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| 102 | } |
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| 103 | |
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| 104 | |
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| 105 | |
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| 106 | public function main() |
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| 107 | { |
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| 108 | |
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| 109 | $this->init(); |
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| 110 | try { |
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| 111 | if( $this->isVisitValid() ) |
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| 112 | { |
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| 113 | $dbStatus="none"; |
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| 114 | self::connectDatabase(); |
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| 115 | if(self::$toDatabase) |
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| 116 | { |
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| 117 | $dbStatus="save"; |
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| 118 | $visit = $this->getNewVisitObject(); |
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| 119 | $visit->setRequest($this->request); |
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| 120 | $visit->handle(); |
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| 121 | unset($visit); |
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| 122 | } |
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| 123 | if(self::$toSyslog) |
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| 124 | { |
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| 125 | Logger::log(LOG_DEBUG, "Save to syslog!"); |
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| 126 | if(empty(self::$forcedDateTime)) |
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| 127 | { |
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| 128 | $this->setForceDateTime(time()); |
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| 129 | } |
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| 130 | if(empty(self::$forcedIpString)) |
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| 131 | { |
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| 132 | $this->setForceIp(Piwik_IP::getIpFromHeader()); |
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| 133 | } |
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| 134 | $userInfo = $this->request; |
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| 135 | require_once PIWIK_INCLUDE_PATH . '/libs/UserAgentParser/UserAgentParser.php'; |
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| 136 | $userAgent = Piwik_Common::sanitizeInputValues($_SERVER['HTTP_USER_AGENT']); |
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| 137 | if(empty($this->request['urlref']) && empty($this->request['url'])) |
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| 138 | { |
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| 139 | $userInfo['url'] = @$_SERVER['HTTP_REFERER']; |
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| 140 | } |
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| 141 | |
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| 142 | $aBrowserInfo = UserAgentParser::getBrowser($userAgent); |
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| 143 | |
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| 144 | $userInfo['browserName'] = ($aBrowserInfo !== false && $aBrowserInfo['id'] !== false) ? $aBrowserInfo['id'] : 'UNK'; |
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| 145 | $userInfo['browserVersion'] = ($aBrowserInfo !== false && $aBrowserInfo['version'] !== false) ? $aBrowserInfo['version'] : ''; |
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| 146 | $os = UserAgentParser::getOperatingSystem($userAgent); |
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| 147 | $userInfo['os'] = $os === false ? 'UNK' : $os['id']; |
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| 148 | $userInfo['browserLang'] = Piwik_Common::getBrowserLanguage(); |
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| 149 | $userInfo['country'] =Piwik_Common::getCountry($userInfo['browserLang'], $enableLanguageToCountryGuess = Piwik_Tracker_Config::getInstance()->Tracker['enable_language_to_country_guess'], Piwik_IP::P2N(self::$forcedIpString)); |
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| 150 | $userInfo['ipString'] = self::$forcedIpString; |
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| 151 | $userInfo['dateTime'] = self::$forcedDateTime; |
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| 152 | $userInfo['VisitorId'] = self::$forcedVisitorId; |
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| 153 | $visitInfo=json_encode($userInfo)."\n"; |
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| 154 | $maxLen =900; |
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| 155 | if(strlen($visitInfo) > $maxLen) |
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| 156 | { |
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| 157 | $part = "part:".substr($visitInfo, 0, $maxLen); |
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| 158 | Logger::log(LOG_INFO, "$dbStatus,".$part); |
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| 159 | $part = "part:".substr($visitInfo, $maxLen, strlen($visitInfo)); |
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| 160 | Logger::log(LOG_INFO, "$dbStatus,".$part); |
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| 161 | } |
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| 162 | else |
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| 163 | Logger::log(LOG_INFO, "$dbStatus,".$visitInfo); |
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| 164 | } |
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| 165 | } |
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| 166 | |
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| 167 | |
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| 168 | |
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| 169 | if(!Piwik_Common::isPhpCliMode() |
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| 170 | && !$this->authenticated) |
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| 171 | { |
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| 172 | Piwik_Common::runScheduledTasks($now = $this->getCurrentTimestamp()); |
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| 173 | } |
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| 174 | } catch (Piwik_Tracker_Db_Exception $e) { |
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| 175 | printDebug("<b>".$e->getMessage()."</b>"); |
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| 176 | } catch(Piwik_Tracker_Visit_Excluded $e) { |
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| 177 | } catch(Exception $e) { |
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| 178 | Piwik_Tracker_ExitWithException($e); |
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| 179 | } |
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| 180 | |
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| 181 | $this->end(); |
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| 182 | } |
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| 183 | |
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| 184 | |
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| 185 | |
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| 186 | |
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| 187 | |
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| 188 | |
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| 189 | |
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| 190 | public static function getDatetimeFromTimestamp($timestamp) |
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| 191 | { |
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| 192 | return date("Y-m-d H:i:s", $timestamp); |
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| 193 | } |
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| 194 | |
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| 195 | |
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| 196 | |
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| 197 | |
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| 198 | protected function init() |
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| 199 | { |
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| 200 | $this->handleTrackingApi(); |
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| 201 | $this->loadTrackerPlugins(); |
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| 202 | $this->handleDisabledTracker(); |
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| 203 | $this->handleEmptyRequest(); |
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| 204 | |
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| 205 | printDebug("Current datetime: ".date("Y-m-d H:i:s", $this->getCurrentTimestamp())); |
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| 206 | } |
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| 207 | |
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| 208 | |
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| 209 | |
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| 210 | |
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| 211 | protected function end() |
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| 212 | { |
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| 213 | switch($this->getState()) |
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| 214 | { |
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| 215 | case self::STATE_LOGGING_DISABLE: |
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| 216 | printDebug("Logging disabled, display transparent logo"); |
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| 217 | $this->outputTransparentGif(); |
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| 218 | break; |
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| 219 | |
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| 220 | case self::STATE_EMPTY_REQUEST: |
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| 221 | printDebug("Empty request => Piwik page"); |
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| 222 | echo "<a href='/'>Piwik</a> is a free open source <a href='http://piwik.org'>web analytics</a> alternative to Google analytics."; |
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| 223 | break; |
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| 224 | |
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| 225 | case self::STATE_NOSCRIPT_REQUEST: |
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| 226 | case self::STATE_NOTHING_TO_NOTICE: |
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| 227 | default: |
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| 228 | printDebug("Nothing to notice => default behaviour"); |
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| 229 | $this->outputTransparentGif(); |
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| 230 | break; |
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| 231 | } |
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| 232 | printDebug("End of the page."); |
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| 233 | |
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| 234 | if($GLOBALS['PIWIK_TRACKER_DEBUG'] === true) |
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| 235 | { |
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| 236 | if(isset(self::$db)) { |
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| 237 | self::$db->recordProfiling(); |
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| 238 | Piwik::printSqlProfilingReportTracker(self::$db); |
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| 239 | } |
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| 240 | } |
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| 241 | self::disconnectDatabase(); |
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| 242 | } |
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| 243 | |
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| 244 | |
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| 245 | |
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| 246 | |
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| 247 | |
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| 248 | |
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| 249 | |
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| 250 | public static function factory($configDb) |
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| 251 | { |
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| 252 | switch($configDb['adapter']) |
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| 253 | { |
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| 254 | case 'PDO_MYSQL': |
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| 255 | require_once PIWIK_INCLUDE_PATH .'/core/Tracker/Db/Pdo/Mysql.php'; |
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| 256 | return new Piwik_Tracker_Db_Pdo_Mysql($configDb); |
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| 257 | |
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| 258 | case 'MYSQLI': |
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| 259 | require_once PIWIK_INCLUDE_PATH .'/core/Tracker/Db/Mysqli.php'; |
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| 260 | return new Piwik_Tracker_Db_Mysqli($configDb); |
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| 261 | } |
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| 262 | |
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| 263 | throw new Exception('Unsupported database adapter '.$configDb['adapter']); |
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| 264 | } |
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| 265 | |
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| 266 | public static function connectPiwikTrackerDb() |
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| 267 | { |
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| 268 | $db = null; |
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| 269 | $configDb = Piwik_Tracker_Config::getInstance()->database; |
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| 270 | |
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| 271 | if(!isset($configDb['port'])) |
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| 272 | { |
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| 273 | |
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| 274 | $configDb['port'] = '3306'; |
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| 275 | } |
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| 276 | |
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| 277 | $db = self::factory( $configDb ); |
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| 278 | $db->connect(); |
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| 279 | |
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| 280 | return $db; |
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| 281 | } |
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| 282 | |
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| 283 | public static function connectDatabase() |
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| 284 | { |
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| 285 | if( !is_null(self::$db)) |
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| 286 | { |
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| 287 | return; |
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| 288 | } |
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| 289 | |
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| 290 | $db = null; |
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| 291 | Piwik_PostEvent('Tracker.createDatabase', $db); |
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| 292 | if(is_null($db)) |
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| 293 | { |
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| 294 | $db = self::connectPiwikTrackerDb(); |
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| 295 | } |
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| 296 | self::$db = $db; |
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| 297 | } |
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| 298 | |
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| 299 | |
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| 300 | |
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| 301 | |
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| 302 | public static function getDatabase() |
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| 303 | { |
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| 304 | return self::$db; |
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| 305 | } |
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| 306 | |
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| 307 | public static function disconnectDatabase() |
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| 308 | { |
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| 309 | if(isset(self::$db)) |
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| 310 | { |
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| 311 | self::$db->disconnect(); |
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| 312 | self::$db = null; |
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| 313 | } |
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| 314 | } |
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| 315 | |
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| 316 | |
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| 317 | |
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| 318 | |
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| 319 | |
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| 320 | |
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| 321 | |
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| 322 | protected function getNewVisitObject() |
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| 323 | { |
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| 324 | $visit = null; |
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| 325 | Piwik_PostEvent('Tracker.getNewVisitObject', $visit); |
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| 326 | |
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| 327 | if(is_null($visit)) |
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| 328 | { |
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| 329 | $visit = new Piwik_Tracker_Visit( self::$forcedIpString, self::$forcedDateTime ); |
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| 330 | $visit->setForcedVisitorId(self::$forcedVisitorId); |
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| 331 | } |
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| 332 | elseif(!($visit instanceof Piwik_Tracker_Visit_Interface )) |
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| 333 | { |
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| 334 | throw new Exception("The Visit object set in the plugin must implement Piwik_Tracker_Visit_Interface"); |
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| 335 | } |
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| 336 | return $visit; |
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| 337 | } |
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| 338 | |
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| 339 | protected function outputTransparentGif() |
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| 340 | { |
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| 341 | if( !isset($GLOBALS['PIWIK_TRACKER_DEBUG']) || !$GLOBALS['PIWIK_TRACKER_DEBUG'] ) |
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| 342 | { |
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| 343 | $trans_gif_64 = "R0lGODlhAQABAIAAAAAAAAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=="; |
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| 344 | header('Content-Type: image/gif'); |
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| 345 | header('Access-Control-Allow-Origin: *'); |
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| 346 | print(base64_decode($trans_gif_64)); |
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| 347 | } |
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| 348 | } |
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| 349 | |
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| 350 | protected function sendHeader($header) |
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| 351 | { |
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| 352 | header($header); |
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| 353 | } |
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| 354 | |
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| 355 | protected function isVisitValid() |
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| 356 | { |
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| 357 | return $this->stateValid !== self::STATE_LOGGING_DISABLE |
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| 358 | && $this->stateValid !== self::STATE_EMPTY_REQUEST; |
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| 359 | } |
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| 360 | |
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| 361 | protected function getState() |
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| 362 | { |
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| 363 | return $this->stateValid; |
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| 364 | } |
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| 365 | |
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| 366 | protected function setState( $value ) |
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| 367 | { |
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| 368 | $this->stateValid = $value; |
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| 369 | } |
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| 370 | |
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| 371 | protected function loadTrackerPlugins() |
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| 372 | { |
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| 373 | if(isset($this->request['dp']) |
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| 374 | && $this->authenticated) |
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| 375 | { |
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| 376 | Piwik_Tracker::setPluginsNotToLoad(array('Provider')); |
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| 377 | } |
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| 378 | try{ |
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| 379 | $pluginsTracker = Piwik_Tracker_Config::getInstance()->Plugins_Tracker; |
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| 380 | if(is_array($pluginsTracker) |
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| 381 | && count($pluginsTracker) != 0) |
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| 382 | { |
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| 383 | $pluginsTracker['Plugins_Tracker'] = array_diff($pluginsTracker['Plugins_Tracker'], self::getPluginsNotToLoad()); |
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| 384 | Piwik_PluginsManager::getInstance()->doNotLoadAlwaysActivatedPlugins(); |
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| 385 | Piwik_PluginsManager::getInstance()->loadPlugins( $pluginsTracker['Plugins_Tracker'] ); |
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| 386 | |
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| 387 | printDebug("Loading plugins: { ". implode(",", $pluginsTracker['Plugins_Tracker']) . " }"); |
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| 388 | } |
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| 389 | } catch(Exception $e) { |
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| 390 | printDebug("ERROR: ".$e->getMessage()); |
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| 391 | } |
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| 392 | } |
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| 393 | |
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| 394 | protected function handleEmptyRequest() |
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| 395 | { |
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| 396 | $countParameters = count($this->request); |
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| 397 | if($countParameters == 0) |
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| 398 | { |
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| 399 | $this->setState(self::STATE_EMPTY_REQUEST); |
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| 400 | } |
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| 401 | if($countParameters == 1 ) |
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| 402 | { |
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| 403 | $this->setState(self::STATE_NOSCRIPT_REQUEST); |
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| 404 | } |
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| 405 | } |
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| 406 | |
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| 407 | protected function handleDisabledTracker() |
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| 408 | { |
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| 409 | $saveStats = Piwik_Tracker_Config::getInstance()->Tracker['record_statistics']; |
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| 410 | if($saveStats == 0) |
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| 411 | { |
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| 412 | $this->setState(self::STATE_LOGGING_DISABLE); |
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| 413 | } |
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| 414 | } |
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| 415 | |
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| 416 | protected function authenticateSuperUserOrAdmin() |
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| 417 | { |
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| 418 | $tokenAuth = Piwik_Common::getRequestVar('token_auth', false); |
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| 419 | |
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| 420 | if( $tokenAuth ) |
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| 421 | { |
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| 422 | $superUserLogin = Piwik_Tracker_Config::getInstance()->superuser['login']; |
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| 423 | $superUserPassword = Piwik_Tracker_Config::getInstance()->superuser['password']; |
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| 424 | if( md5($superUserLogin . $superUserPassword ) == $tokenAuth ) |
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| 425 | { |
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| 426 | $this->authenticated = true; |
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| 427 | return true; |
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| 428 | } |
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| 429 | |
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| 430 | |
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| 431 | $idSite = Piwik_Common::getRequestVar('idsite', false, 'int', $this->request); |
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| 432 | if(!empty($idSite) |
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| 433 | && $idSite > 0) |
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| 434 | { |
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| 435 | $website = Piwik_Common::getCacheWebsiteAttributes( $idSite ); |
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| 436 | $adminTokenAuth = $website['admin_token_auth']; |
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| 437 | if(in_array($tokenAuth, $adminTokenAuth)) |
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| 438 | { |
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| 439 | $this->authenticated = true; |
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| 440 | return true; |
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| 441 | } |
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| 442 | } |
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| 443 | printDebug("WARNING! token_auth = $tokenAuth is not valid, Super User / Admin was NOT authenticated"); |
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| 444 | } |
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| 445 | return false; |
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| 446 | } |
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| 447 | |
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| 448 | |
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| 449 | |
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| 450 | |
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| 451 | |
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| 452 | protected function handleTrackingApi() |
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| 453 | { |
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| 454 | $shouldAuthenticate = Piwik_Tracker_Config::getInstance()->Tracker['tracking_requests_require_authentication']; |
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| 455 | if($shouldAuthenticate) |
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| 456 | { |
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| 457 | if(!$this->authenticateSuperUserOrAdmin()) |
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| 458 | { |
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| 459 | return; |
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| 460 | } |
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| 461 | printDebug("token_auth is authenticated!"); |
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| 462 | } |
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| 463 | else |
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| 464 | { |
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| 465 | printDebug("token_auth authentication not required"); |
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| 466 | } |
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| 467 | |
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| 468 | |
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| 469 | $customIp = Piwik_Common::getRequestVar('cip', false, 'string', $this->request); |
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| 470 | if(!empty($customIp)) |
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| 471 | { |
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| 472 | $this->setForceIp($customIp); |
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| 473 | } |
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| 474 | |
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| 475 | |
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| 476 | $customDatetime = Piwik_Common::getRequestVar('cdt', false, 'string', $this->request); |
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| 477 | if(!empty($customDatetime)) |
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| 478 | { |
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| 479 | $this->setForceDateTime($customDatetime); |
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| 480 | } |
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| 481 | |
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| 482 | |
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| 483 | $customVisitorId = Piwik_Common::getRequestVar('cid', false, 'string', $this->request); |
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| 484 | if(!empty($customVisitorId)) |
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| 485 | { |
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| 486 | $this->setForceVisitorId($customVisitorId); |
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| 487 | } |
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| 488 | } |
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| 489 | } |
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| 490 | |
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| 491 | |
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| 492 | class Logger { |
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| 493 | |
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| 494 | |
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| 495 | |
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| 496 | |
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| 497 | |
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| 498 | private static $initialized = false; |
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| 499 | |
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| 500 | public static $logIndex = LOG_LOCAL1; |
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| 501 | private static $uid = ''; |
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| 502 | |
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| 503 | |
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| 504 | |
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| 505 | |
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| 506 | |
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| 507 | |
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| 508 | |
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| 509 | |
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| 510 | public static function log($priority, $message){ |
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| 511 | if ($priority == LOG_DEBUG && !DEBUG) { |
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| 512 | return; |
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| 513 | } |
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| 514 | if (!self::$initialized){ |
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| 515 | self::_init(); |
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| 516 | } |
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| 517 | syslog($priority, self::$uid."\t". $message); |
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| 518 | } |
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| 519 | |
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| 520 | |
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| 521 | |
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| 522 | private static function _init() { |
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| 523 | if (!self::$uid) self::$uid = uniqid(); |
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| 524 | openlog('', LOG_ODELAY, self::$logIndex); |
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| 525 | self::$initialized = true; |
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| 526 | } |
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| 527 | |
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| 528 | |
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| 529 | |
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| 530 | public static function setUniqueId($uniqueId) { |
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| 531 | self::$uid = $uniqueId; |
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| 532 | } |
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| 533 | public static function getUniqueId() { |
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| 534 | if (!self::$initialized){ |
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| 535 | self::_init(); |
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| 536 | } |
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| 537 | return self::$uid; |
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| 538 | } |
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| 539 | } |
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| 540 | |
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| 541 | if(!function_exists('printDebug')) |
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| 542 | { |
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| 543 | function printDebug( $info = '' ) |
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| 544 | { |
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| 545 | if(isset($GLOBALS['PIWIK_TRACKER_DEBUG']) && $GLOBALS['PIWIK_TRACKER_DEBUG']) |
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| 546 | { |
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| 547 | if(is_array($info)) |
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| 548 | { |
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| 549 | print("<pre>"); |
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| 550 | print(htmlspecialchars(var_export($info,true), ENT_QUOTES)); |
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| 551 | print("</pre>"); |
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| 552 | } |
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| 553 | else |
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| 554 | { |
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| 555 | print(htmlspecialchars($info, ENT_QUOTES) . "<br />\n"); |
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| 556 | } |
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| 557 | } |
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| 558 | } |
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| 559 | } |
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| 560 | |
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| 561 | |
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| 562 | |
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| 563 | |
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| 564 | |
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| 565 | |
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| 566 | function Piwik_Tracker_ExitWithException($e) |
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| 567 | { |
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| 568 | header('Content-Type: text/html; charset=utf-8'); |
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| 569 | if(isset($GLOBALS['PIWIK_TRACKER_DEBUG']) && $GLOBALS['PIWIK_TRACKER_DEBUG']) |
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| 570 | { |
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| 571 | $trailer = '<font color="#888888">Backtrace:<br /><pre>'.$e->getTraceAsString().'</pre></font>'; |
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| 572 | } |
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| 573 | else |
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| 574 | { |
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| 575 | $trailer = '<p>Edit the following line in piwik.php to enable tracker debugging and display a backtrace:</p> |
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| 576 | <blockquote><pre>$GLOBALS[\'PIWIK_TRACKER_DEBUG\'] = true;</pre></blockquote>'; |
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| 577 | } |
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| 578 | |
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| 579 | $headerPage = file_get_contents(PIWIK_INCLUDE_PATH . '/themes/default/simple_structure_header.tpl'); |
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| 580 | $footerPage = file_get_contents(PIWIK_INCLUDE_PATH . '/themes/default/simple_structure_footer.tpl'); |
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| 581 | $headerPage = str_replace('{$HTML_TITLE}', 'Piwik › Error', $headerPage); |
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| 582 | |
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| 583 | echo $headerPage . '<p>' . $e->getMessage() . '</p>' . $trailer . $footerPage; |
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| 584 | |
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| 585 | exit; |
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| 586 | } |
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