-
-
Save jameshadley/842eb84cc692cb8be68c1e2b49f5df5e to your computer and use it in GitHub Desktop.
How to invalidate items in AWS CloudFront
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?php | |
/** | |
* Super-simple AWS CloudFront Invalidation Script | |
* | |
* Steps: | |
* 1. Set your AWS access_key | |
* 2. Set your AWS secret_key | |
* 3. Set your CloudFront Distribution ID | |
* 4. Define the batch of paths to invalidate | |
* 5. Run it on the command-line with: php cf-invalidate.php | |
* | |
* The author disclaims copyright to this source code. | |
* | |
* Details on what's happening here are in the CloudFront docs: | |
* http://docs.amazonwebservices.com/AmazonCloudFront/latest/DeveloperGuide/Invalidation.html | |
* | |
*/ | |
$access_key = 'AWS_ACCESS_KEY'; | |
$secret_key = 'AWS_SECRET_KEY'; | |
$distribution = 'DISTRIBUTION_ID'; | |
$epoch = date('U'); | |
$xml = <<<EOD | |
<InvalidationBatch> | |
<Path>/index.html</Path> | |
<Path>/blog/index.html</Path> | |
<CallerReference>{$distribution}{$epoch}</CallerReference> | |
</InvalidationBatch> | |
EOD; | |
/** | |
* You probably don't need to change anything below here. | |
*/ | |
$len = strlen($xml); | |
$date = gmdate('D, d M Y G:i:s T'); | |
$sig = base64_encode( | |
hash_hmac('sha1', $date, $secret_key, true) | |
); | |
$msg = "POST /2010-11-01/distribution/{$distribution}/invalidation HTTP/1.0\r\n"; | |
$msg .= "Host: cloudfront.amazonaws.com\r\n"; | |
$msg .= "Date: {$date}\r\n"; | |
$msg .= "Content-Type: text/xml; charset=UTF-8\r\n"; | |
$msg .= "Authorization: AWS {$access_key}:{$sig}\r\n"; | |
$msg .= "Content-Length: {$len}\r\n\r\n"; | |
$msg .= $xml; | |
$fp = fsockopen('ssl://cloudfront.amazonaws.com', 443, | |
$errno, $errstr, 30 | |
); | |
if (!$fp) { | |
die("Connection failed: {$errno} {$errstr}\n"); | |
} | |
fwrite($fp, $msg); | |
$resp = ''; | |
while(! feof($fp)) { | |
$resp .= fgets($fp, 1024); | |
} | |
fclose($fp); | |
echo $resp; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment