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New function to get an authenticated object URL for download. #125

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New function to get an authenticated object URL for download. #125

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21 changes: 21 additions & 0 deletions S3.php
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Original file line number Diff line number Diff line change
Expand Up @@ -1188,6 +1188,27 @@ public static function getAuthenticatedURL($bucket, $uri, $lifetime, $hostBucket
}


/**
* Get a query string authenticated URL to download an object
*
* @param string $bucket Bucket name
* @param string $uri Object URI
* @param integer $lifetime Lifetime in seconds
* @param boolean $hostBucket Use the bucket name as the hostname
* @param boolean $https Use HTTPS ($hostBucket should be false for SSL verification)
* @return string
*/
public static function getAuthenticatedDownloadURL($bucket, $uri, $lifetime, $hostBucket = false, $https = false)
{
$expires = self::__getTime() + $lifetime;
$uri = str_replace(array('%2F', '%2B'), array('/', '+'), rawurlencode($uri));
return sprintf(($https ? 'https' : 'http').'://%s/%s?AWSAccessKeyId=%s&Expires=%u&response-content-disposition=attachment&Signature=%s',
// $hostBucket ? $bucket : $bucket.'.s3.amazonaws.com', $uri, self::$__accessKey, $expires,
$hostBucket ? $bucket : self::$endpoint.'/'.$bucket, $uri, self::$__accessKey, $expires,
urlencode(self::__getHash("GET\n\n\n{$expires}\n/{$bucket}/{$uri}?response-content-disposition=attachment")));
}


/**
* Get a CloudFront signed policy URL
*
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