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phab/src/applications/metamta/controller/PhabricatorMetaMTAMailgunReceiveController.php
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PhabricatorMetaMTAMailgunReceiveController.php
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<?php
final class PhabricatorMetaMTAMailgunReceiveController
extends PhabricatorMetaMTAController {
public function shouldRequireLogin() {
return false;
}
private function verifyMessage() {
$api_key = PhabricatorEnv::getEnvConfig('mailgun.api-key');
$request = $this->getRequest();
$timestamp = $request->getStr('timestamp');
$token = $request->getStr('token');
$sig = $request->getStr('signature');
$hash = hash_hmac('sha256', $timestamp.$token, $api_key);
return phutil_hashes_are_identical($sig, $hash);
}
public function handleRequest(AphrontRequest $request) {
// No CSRF for Mailgun.
$unguarded = AphrontWriteGuard::beginScopedUnguardedWrites();
if (!$this->verifyMessage()) {
throw new Exception(
pht('Mail signature is not valid. Check your Mailgun API key.'));
}
$user = $request->getUser();
$raw_headers = $request->getStr('headers');
$raw_headers = explode("\n", rtrim($raw_headers));
$raw_dict = array();
foreach (array_filter($raw_headers) as $header) {
list($name, $value) = explode(':', $header, 2);
$raw_dict[$name] = ltrim($value);
}
$headers = array(
'to' => $request->getStr('recipient'),
'from' => $request->getStr('from'),
'subject' => $request->getStr('subject'),
) + $raw_dict;
$received = new PhabricatorMetaMTAReceivedMail();
$received->setHeaders($headers);
$received->setBodies(array(
'text' => $request->getStr('stripped-text'),
'html' => $request->getStr('stripped-html'),
));
$file_phids = array();
foreach ($_FILES as $file_raw) {
try {
$file = PhabricatorFile::newFromPHPUpload(
$file_raw,
array(
'viewPolicy' => PhabricatorPolicies::POLICY_NOONE,
));
$file_phids[] = $file->getPHID();
} catch (Exception $ex) {
phlog($ex);
}
}
$received->setAttachments($file_phids);
$received->save();
$received->processReceivedMail();
$response = new AphrontWebpageResponse();
$response->setContent(pht("Got it! Thanks, Mailgun!\n"));
return $response;
}
}
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