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<?php
// Copyright (c) 2015 Davide Gironi
//
// Please refer to LICENSE file for licensing information.
// Xively trigger service for sending alert mail
//
// Installation and usage:
// Upload this script to your website
// es: example.com/xivelytrig/xivelytrig.php
// Set the configuration parameters above, according to your needs.
// Go to your xively feed, create a trigger for a channel.
// Point the trigger post URL to this script.
// es: (send both mail and sms)
// example.com/xivelytrig/xivelytrig.php?sign=123456&feed=your_feed_name&channel=your_channel_name&alarm=your_alarm_text&address=address@example.com&mobile=000000000000
// es: (send mail)
// example.com/xivelytrig/xivelytrig.php?sign=123456&feed=your_feed_name&channel=your_channel_name&alarm=youralarm_text&address=address@example.com
header('Content-Type: text/plain; charset=utf-8');
// Configuration
// --------------------------------------------
// timezone configuration
date_default_timezone_set('Europe/Rome');
// validation token
$sign = "123456";
// mail config
$mail_from = "noreply@example.com";
// betamax config
$betamax_url = "www.yourbetamaxprovider.com";
$betamax_username = "______";
$betamax_password = "______";
$betamax_from = "______";
// sms max message enabled
$sms_maxenabler = true;
// sms max temp folder
$sms_maxfolder = "./temp";
// set the sms time to purge sms temporary folder and enable the send of a message
$sms_maxtime = 43200; // means max 1 message per feed/channel/number every 12 hours (43200 seconds)
// --------------------------------------------
try {
//validate input
if($sign != $_GET['sign']) {
throw new RuntimeException('Error: Invalid signature.');
}
if(empty($_GET['feed'])) {
throw new RuntimeException('Error: Invalid feed.');
}
if(empty($_GET['channel'])) {
throw new RuntimeException('Error: Invalid channel.');
}
if(empty($_GET['address'])) {
throw new RuntimeException('Error: Invalid address.');
}
if(empty($_GET['alarm'])) {
throw new RuntimeException('Error: Invalid alarm.');
}
//decode message from xively
//$data = json_decode(substr(urldecode(file_get_contents('php://input')), 5), true);
//$json_string = json_encode($data);
$smssent = false;
$smssentable = false;
$mailsent = false;
//try to send email
$to = $_GET['address'];
$subject = $_GET['feed'] . '/' . $_GET['channel'] . ' xively alert on date ' . date('Y-m-d H:i:s');
$message = "Alert!\r\n\r\nAlarm \"" . $_GET['alarm']. "\" trigger is fired on feed \"". $_GET['feed'] . "\" for channel \"" . $_GET['channel'] . "\".";
$headers = 'From: ' . $mail_from . "\r\n" . 'X-Mailer: PHP/' . phpversion();
if(mail($to, $subject, $message, $headers))
$mailsent = true;
//delete temporary sms limiter files
if($sms_maxenabler) {
foreach (glob($sms_maxfolder."/*") as $file) {
if (filemtime($file) < time() - $sms_maxtime) {
unlink($file);
}
}
}
//try to send sms
if(!empty($_GET['mobile'])) {
//check for max sms send limits
$trysmssend = true;
if($sms_maxenabler) {
$trysmssend = false;
$sms_file = $sms_maxfolder . '/' . $_GET['feed'] . '-' . $_GET['channel'] . '-' . $_GET['mobile'] . '.txt';
if(!file_exists($sms_file)) {
$smssentable = true;
$fp = fopen($sms_file,"wb");
fwrite($fp, "");
fclose($fp);
$trysmssend = true;
}
}
if($trysmssend) {
//send sms by betamax service
$curl = curl_init();
curl_setopt_array($curl, array(
CURLOPT_RETURNTRANSFER => true,
CURLOPT_URL => 'https://' . $betamax_url . '/myaccount/sendsms.php?username=' . $betamax_username . '&password=' . $betamax_password . '&from=' . $betamax_from . '&to=' . $_GET['mobile'] . '&text=' . urlencode('alarm ' . $_GET['alarm'] . ' on ' . $_GET['feed'] . '/' . $_GET['channel']),
CURLOPT_CONNECTTIMEOUT => 0,
CURLOPT_TIMEOUT => 30,
CURLOPT_SSL_VERIFYPEER => false
));
$resp = curl_exec($curl);
curl_close($curl);
$respxml = simplexml_load_string(htmlspecialchars_decode($resp));
if($respxml->result == "1")
$smssent = true;
}
}
//output results
if(!$mailsent)
echo "Error sending mail. ";
else
echo "Mail sent successfully. ";
if(!empty($_GET['mobile'])) {
if(!$smssent)
{
if($smssentable)
echo "Error sending sms. ";
else
echo "SMS does not need to be sent. ";
}
else
echo "SMS sent successfully. ";
}
} catch (RuntimeException $e) {
echo $e->getMessage();
}
?>
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