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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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namespace smsgateway_aws\local\service;
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use core_sms\message_status;
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use smsgateway_aws\helper;
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use smsgateway_aws\local\aws_sms_service_provider;
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use stdClass;
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/**
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* AWS SNS service provider.
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*
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* @package smsgateway_aws
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* @copyright 2024 Safat Shahin <safat.shahin@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class aws_sns implements aws_sms_service_provider {
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/**
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* Include the required calls.
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*/
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private static function require(): void {
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global $CFG;
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require_once($CFG->libdir . '/aws-sdk/src/functions.php');
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}
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#[\Override]
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public static function send_sms_message(
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string $messagecontent,
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string $phonenumber,
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stdclass $config,
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): message_status {
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global $SITE;
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self::require();
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// Setup client params and instantiate client.
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$params = [
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'version' => 'latest',
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'region' => $config->api_region,
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'http' => ['proxy' => helper::get_proxy_string()],
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];
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if (!property_exists($config, 'usecredchain') || !$config->usecredchain) {
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$params['credentials'] = [
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'key' => $config->api_key,
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'secret' => $config->api_secret,
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];
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}
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$client = new \Aws\Sns\SnsClient($params);
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// Set up the sender information.
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$senderid = $SITE->shortname;
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// Remove spaces and non-alphanumeric characters from ID.
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$senderid = preg_replace("/[^A-Za-z0-9]/", '', trim($senderid));
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// We have to truncate the senderID to 11 chars.
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$senderid = substr($senderid, 0, 11);
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try {
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// These messages need to be transactional.
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$client->SetSMSAttributes([
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'attributes' => [
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'DefaultSMSType' => 'Transactional',
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'DefaultSenderID' => $senderid,
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],
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]);
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// Actually send the message.
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$client->publish([
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'Message' => $messagecontent,
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'PhoneNumber' => $phonenumber,
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]);
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return \core_sms\message_status::GATEWAY_SENT;
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} catch (\Aws\Exception\AwsException $e) {
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return \core_sms\message_status::GATEWAY_NOT_AVAILABLE;
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}
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}
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}
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