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PhabricatorSMSImplementationTwilioAdapter.php
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Created
Fri, Jun 7, 10:09

PhabricatorSMSImplementationTwilioAdapter.php
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<?php
final class PhabricatorSMSImplementationTwilioAdapter
extends PhabricatorSMSImplementationAdapter {
public function getProviderShortName() {
return 'twilio';
}
/**
* @phutil-external-symbol class Services_Twilio
*/
private function buildClient() {
$root = dirname(phutil_get_library_root('phabricator'));
require_once $root.'/externals/twilio-php/Services/Twilio.php';
$account_sid = PhabricatorEnv::getEnvConfig('twilio.account-sid');
$auth_token = PhabricatorEnv::getEnvConfig('twilio.auth-token');
return new Services_Twilio($account_sid, $auth_token);
}
/**
* @phutil-external-symbol class Services_Twilio_RestException
*/
public function send() {
$client = $this->buildClient();
try {
$message = $client->account->sms_messages->create(
$this->formatNumberForSMS($this->getFrom()),
$this->formatNumberForSMS($this->getTo()),
$this->getBody(),
array());
} catch (Services_Twilio_RestException $e) {
$message = sprintf(
'HTTP Code %d: %s',
$e->getStatus(),
$e->getMessage());
// Twilio tries to provide a link to more specific details if they can.
if ($e->getInfo()) {
$message .= sprintf(' For more information, see %s.', $e->getInfo());
}
throw new PhabricatorWorkerPermanentFailureException($message);
}
return $message;
}
public function getSMSDataFromResult($result) {
return array($result->sid, $this->getSMSStatus($result->status));
}
public function pollSMSSentStatus(PhabricatorSMS $sms) {
$client = $this->buildClient();
$message = $client->account->messages->get($sms->getProviderSMSID());
return $this->getSMSStatus($message->status);
}
/**
* See https://www.twilio.com/docs/api/rest/sms#sms-status-values.
*/
private function getSMSStatus($twilio_status) {
switch ($twilio_status) {
case 'failed':
$status = PhabricatorSMS::STATUS_FAILED;
break;
case 'sent':
$status = PhabricatorSMS::STATUS_SENT;
break;
case 'sending':
case 'queued':
default:
$status = PhabricatorSMS::STATUS_SENT_UNCONFIRMED;
break;
}
return $status;
}
/**
* We expect numbers to be plainly entered - i.e. the preg_replace here
* should do nothing - but try hard to format anyway.
*
* Twilio uses E164 format, e.g. +15551234567
*/
private function formatNumberForSMS($number) {
$number = preg_replace('/[^0-9]/', '', $number);
$first_char = substr($number, 0, 1);
switch ($first_char) {
case '1':
$prepend = '+';
break;
default:
$prepend = '+1';
break;
}
return $prepend.$number;
}
}

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