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More compact CreateTemporaryURL() implementation.

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Mark Ruys 2018-09-15 22:13:54 +02:00
parent d46e386cbe
commit 6301cb1adb
1 changed files with 6 additions and 21 deletions
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27
spaces.php
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@ -433,27 +433,12 @@ class SpacesConnect {
Creates a temporary URL for a file (Mainly for accessing private files). Creates a temporary URL for a file (Mainly for accessing private files).
*/ */
function CreateTemporaryURL($file_name = "", $valid_for = "1 hour") { function CreateTemporaryURL($file_name = "", $valid_for = "1 hour") {
$secret_key = $this->secret_key; $cmd = $this->client->getCommand('GetObject', [
$expiry = strtotime("+ ".$valid_for); 'Bucket' => $this->space,
$file_name = rawurlencode($file_name); 'Key' => $file_name
$file = str_replace(array('%2F', '%2B'), array('/', '+'), ltrim($file_name, '/') ); ]);
$objectPathForSignature = '/'. $this->space .'/'. $file_name; $request = $this->client->createPresignedRequest($cmd, $valid_for);
$stringToSign = implode("\n", $pieces = array('GET', null, null, $expiry, $objectPathForSignature)); return (string)$request->getUri();
$url = 'https://' . $this->space . '.'.$this->region.'.'.$this->host.'/' . $file_name;
$blocksize = 64;
if (strlen($secret_key) > $blocksize) $secret_key = pack('H*', sha1($secret_key));
$secret_key = str_pad($secret_key, $blocksize, chr(0x00));
$ipad = str_repeat(chr(0x36), $blocksize);
$opad = str_repeat(chr(0x5c), $blocksize);
$hmac = pack( 'H*', sha1(($secret_key ^ $opad) . pack( 'H*', sha1(($secret_key ^ $ipad) . $stringToSign))));
$signature = base64_encode($hmac);
$queries = http_build_query($pieces = array(
'AWSAccessKeyId' => $this->access_key,
'Expires' => $expiry,
'Signature' => $signature,
));
$url .= "?".$queries;
return $this->ObjReturn($url);
} }