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<?php |
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namespace dokuwiki\plugin\swarmwebhook\webhooks; |
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use DateTime; |
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use dokuwiki\plugin\struct\meta\Schema; |
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use dokuwiki\plugin\swarmwebhook\meta\Response; |
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class IFTTT extends AbstractWebhook |
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{ |
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const IFTTT_TIME_FORMAT = 'F d, Y \a\t h:iA'; |
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public function run($json) |
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{ |
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global $conf, $INPUT; |
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if ($conf['allowdebug']) { |
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dbglog($_SERVER); |
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} |
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// check that we have helper |
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$webhookData = json_decode($json, true); |
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$verificationResult = $this->verifyRequest($webhookData); |
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if ($verificationResult !== true) { |
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http_status($verificationResult->code, $verificationResult->content); |
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return; |
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} |
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$ok = $this->handleWebhookPayload($webhookData, $json); |
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if ($ok !== true) { |
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http_status($verificationResult->code, $verificationResult->content); |
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return; |
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} |
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http_status(202); |
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} |
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/** |
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* @param array $webhookData |
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* |
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* @return true|Response |
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* |
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*/ |
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protected function verifyRequest(array $webhookData) |
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{ |
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/** @var null|\helper_plugin_swarmwebhook $helper */ |
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$helper = plugin_load('helper', 'swarmwebhook'); |
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$storedSecret = $helper->getConf('hook secret'); |
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if (empty($storedSecret)) { |
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return true; |
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} |
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if (empty($webhookData['secret'])) { |
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return new Response(401, 'Header X_HOOK_SECRET missing!'); |
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} |
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if ($webhookData['secret'] !== $storedSecret) { |
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return new Response(403, 'Header X_HOOK_SECRET not identical with configured secret!'); |
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} |
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return true; |
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} |
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/** |
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* @param array $webhookData |
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* @param string $json |
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* |
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* @return true|Response |
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*/ |
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protected function handleWebhookPayload(array $webhookData, $json) |
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{ |
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$lookupData = $this->extractDataFromPayload($webhookData); |
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$lookupData['json'] = $json; |
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$lookupData['service'] = 'IFTTT'; |
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/** @var \helper_plugin_swarmwebhook $helper */ |
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$helper = plugin_load('helper', 'swarmwebhook'); |
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try { |
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$schemas = Schema::getAll('lookup'); |
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if (!in_array('swarm', $schemas)) { |
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$helper->createNewSwarmSchema(); |
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} |
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$helper->deleteCheckinFromLookup($lookupData['checkinid']); |
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$helper->saveDataToLookup($lookupData); |
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} catch (\Exception $e) { // FIXME: catch more specific exceptions! |
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$errorMessage = $e->getMessage(); |
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dbglog($errorMessage); |
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return new Response(500, $errorMessage); |
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} |
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return true; |
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} |
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/** |
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* Extract the data to be saved from the payload |
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* |
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* @param array $data |
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* |
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* @return array |
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*/ |
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protected function extractDataFromPayload(array $data) |
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{ |
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$checkinID = $data['ts']; |
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$locationName = $data['VenueName']; |
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// gues time zone |
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$nowTS = time(); |
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$dateTime = $this->parseTimeIntoTimestamp($data['ts'], $nowTS); |
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$lookupData = [ |
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'date' => $dateTime->format('Y-m-d'), |
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'time' => $dateTime->format(\DateTime::ATOM), |
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'checkinid' => $checkinID, |
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'locname' => $locationName, |
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]; |
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if (!empty($data['shout'])) { |
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$lookupData['shout'] = $data['shout']; |
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} |
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return $lookupData; |
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} |
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/** |
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* @param $timestring |
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* @param $nowTS |
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* |
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* @return \DateTime |
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*/ |
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protected function parseTimeIntoTimestamp($timestring, $nowTS) |
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{ |
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//May 25, 2018 at 04:32PM |
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$guessedTZOffset = $this->guessTZOffset($timestring, $nowTS); |
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$timeZone = new \DateTimeZone($guessedTZOffset); |
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$dateTime = DateTime::createFromFormat(self::IFTTT_TIME_FORMAT, $timestring, $timeZone); |
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return $dateTime; |
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} |
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protected function guessTZOffset($timestring, $nowTS) |
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{ |
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$dateTime = DateTime::createFromFormat(self::IFTTT_TIME_FORMAT, $timestring, new \DateTimeZone('+0000')); |
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if ($dateTime === false) { |
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dbglog(DateTime::getLastErrors()); |
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$dateTime = new DateTime('now'); |
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} |
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$guessedOffset = round(($dateTime->getTimestamp() - $nowTS)/3600)*100; |
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$sign = $guessedOffset > 0 ? '+' : ''; |
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return $sign . (string)$guessedOffset; |
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} |
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} |
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micgro42 /
dokuwiki-plugin-swarmwebhook
If the returned type also contains false, it is an indicator that maybe an error condition leading to the specific return statement remains unhandled.