public function subpage_register()
 {
     global $wgUser, $wgOut, $API_GATE_DIR;
     wfProfileIn(__METHOD__);
     $html = "";
     // Users must be logged in to get an API key
     if (!$wgUser->isLoggedIn()) {
         $html .= "<br/>" . $this->getLoginBoxHtml();
     } else {
         $data = array('firstName' => '', 'lastName' => '', 'email_1' => '', 'email_2' => '', 'errorString' => '');
         // If the user's real name is in their profile, split it up and use it to initialize the form.
         $name = $wgUser->getName();
         $index = strpos($name, " ");
         if ($index === false) {
             $data['firstName'] = $name;
             $data['lastName'] = "";
         } else {
             $data['firstName'] = substr($name, 0, $index);
             $data['lastName'] = substr($name, $index + 1);
         }
         // If the user has an email address set, use it to pre-populate the form.
         $data['email_1'] = $wgUser->getEmail();
         $data['email_2'] = $data['email_1'];
         include_once "{$API_GATE_DIR}/ApiGate_Register.class.php";
         $registered = ApiGate_Register::processPost($data);
         if ($registered) {
             // TODO: Not portable. This works well here to just show the module on this specialpage, but more work would need to be done for API Gate to have a good default behvaior.
             // Display a success message containing the new key.
             $msg = "<h3>" . wfMsg('apigate-register-success-heading') . "</h3>";
             $msg .= wfMsgExt('apigate-register-success', array('parse'), array($data['apiKey']));
             $msg .= wfMsgExt('apigate-register-success-return', array('parse'), array());
             $html .= ApiGate_Dispatcher::renderTemplate("info", array('message' => $msg));
             // intentionally normal style, not success-style.
         } else {
             $html .= ApiGate_Dispatcher::renderTemplate("register", $data);
         }
     }
     $html = $this->wrapHtmlInModuleBox($html);
     wfProfileOut(__METHOD__);
     return $html;
 }
 /**
  * Returns a valid (and available API key) to be used in the system.
  *
  * Border-line irrelevant note: There is a potential race-condition that you
  * could get this key and store it to the database at approximately the same time as someone who generated the same key
  * (prior to you storing) but that should be approximately a one in 16^40 chance (unless you seed the PRNG with
  * a timestamp or something patently wrong like that) so I'm not going to spend time preventing that at the moment.
  *
  * Takes NO parameters and is static so that the generation isn't affected by state at all... the 
  * generation is supposed to be random and using any state from the user or registration object would
  * just reduce the entropy of the pseudo-random number generator.
  */
 protected static function generateKey()
 {
     wfProfileIn(__METHOD__);
     do {
         $keyHash = sha1(mt_rand());
     } while (ApiGate_Register::keyExists($keyHash));
     wfProfileOut(__METHOD__);
     return $keyHash;
 }
 /**
  * If the form in the 'key' template was posted, this will process it and apply any updates.
  *
  * @return string - a string containing any errors that occurred while trying to update the key info.
  */
 public static function processPost()
 {
     $errorString = "";
     if (ApiGate::getPost('formName') == "apiGate_apiKey_updateKeyInfo") {
         $apiKey = ApiGate::getPost('apiKey');
         $apiKeyObject = ApiGate_ApiKey::newFromDb($apiKey);
         if (is_object($apiKeyObject)) {
             if ($apiKeyObject->canBeEditedByCurrentUser()) {
                 $nickName = ApiGate::getPost('nickName');
                 $firstName = ApiGate::getPost('firstName');
                 $lastName = ApiGate::getPost('lastName');
                 $email_1 = ApiGate::getPost('email_1');
                 $email_2 = ApiGate::getPost('email_2');
                 // Validate input (same business logic as ApiGate_Register::processPost()).
                 global $API_GATE_DIR;
                 include_once "{$API_GATE_DIR}/ApiGate_Register.class.php";
                 $errorString = ApiGate_Register::validateNameAndEmail($firstName, $lastName, $email_1, $email_2, $errorString);
                 // If there were no errors, update the key info in the database.
                 if ($errorString == "") {
                     $dbw = ApiGate_Config::getMasterDb();
                     $queryString = "UPDATE " . ApiGate::TABLE_KEYS . " SET ";
                     $queryString .= "nickName='" . mysql_real_escape_string($nickName, $dbw) . "'";
                     $queryString .= ", firstName='" . mysql_real_escape_string($firstName, $dbw) . "'";
                     $queryString .= ", lastName='" . mysql_real_escape_string($lastName, $dbw) . "'";
                     $queryString .= ", email='" . mysql_real_escape_string($email_1, $dbw) . "'";
                     // If this is an admin, also allow changing of the enabled/disabled field from this form.
                     if (ApiGate_Config::isAdmin()) {
                         $enabled = intval(ApiGate::getPost('enabled'));
                         $setToEnabled = $enabled !== 0;
                         // If there was a change, update the log and apply it.
                         if ($setToEnabled != $apiKeyObject->isEnabled()) {
                             $queryString .= ", enabled='{$enabled}'";
                             $reason = ApiGate::getPost('reason');
                             $logQuery = "INSERT INTO " . ApiGate::TABLE_BANLOG . " (apiKey, action, username, reason) VALUES (";
                             $logQuery .= "'" . $apiKeyObject->getApiKeySqlSafe() . "'";
                             $logQuery .= ", '" . ($setToEnabled ? "enabled" : "disabled") . "'";
                             $logQuery .= ", '" . mysql_real_escape_string(ApiGate_Config::getUsername(), $dbw) . "'";
                             $logQuery .= ", 'MANUAL CHANGE: " . mysql_real_escape_string($reason, $dbw) . "'";
                             $logQuery .= ")";
                             ApiGate::sendQuery($logQuery);
                             // Purge the remote cache of this key's validity (for example, Fastly's cached call to check if the key is allowed to access the API).
                             ApiGate::purgeKey($apiKey);
                         }
                     }
                     $queryString .= " WHERE apiKey='{$apiKeyObject->getApiKeySqlSafe()}'";
                     if (ApiGate::sendQuery($queryString)) {
                         ApiGate::sendQuery("COMMIT");
                         // MediaWiki was randomly not saving some rows without this (the registration queries, so I'm assuming it's the same everywhere).
                     } else {
                         $errorString .= "\n" . i18n('apigate-register-error-mysql_error');
                         $errorString .= "\n<br/><br/>" . mysql_error($dbw);
                     }
                 }
             } else {
                 $errorString .= ApiGate::getErrorHtml(i18n('apigate-error-keyaccess-denied', $apiKey));
             }
         } else {
             // NOTE: This message which says essentially "not found or you don't have access" is intentionally vauge.
             // If we had access-denied and key-not-found be different errors, attackers could just iterate through a bunch of possibilities
             // until they found a key that exists & then they could spoof as being that app.
             $errorString .= ApiGate::getErrorHtml(i18n('apigate-error-keyaccess-denied', $apiKey));
         }
     }
     return $errorString;
 }