Congegni/sintonia
7
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Stopped returning filesize in delete functions.

Browse source 
Created an Amazon S3 wrapper class around Zend_Service_Amazon_S3 to add more functionality.
This commit is contained in:
drigato 2014-10-21 16:05:50 -04:00
parent 544d20ebc2
commit f775bedb49
6 changed files with 121 additions and 55 deletions
Download patch file Download diff file Expand all files Collapse all files

58
airtime_mvc/application/models/airtime/CloudFile.php
View file

@ -1,6 +1,6 @@
<?php
require_once 'Zend/Service/Amazon/S3.php';
require_once 'Amazon_S3.php';
/**
* Skeleton subclass for representing a row from the 'cloud_file' table.
@ -15,41 +15,51 @@ require_once 'Zend/Service/Amazon/S3.php';
*/
class CloudFile extends BaseCloudFile
{
public function getAbsoluteFilePath()
{
$CC_CONFIG = Config::getConfig();
return $this->get_s3_signed_url(
$CC_CONFIG['cloud_storage']['api_key'],
$CC_CONFIG['cloud_storage']['api_key_secret'],
$CC_CONFIG['cloud_storage']['bucket']);
return $this->get_s3_signed_url();
}
private function get_s3_signed_url($s3_key, $s3_key_secret, $bucket)
private function get_s3_signed_url()
{
//should be longer than track length
$expires = 120;
$resource_id = $this->getResourceId();
$amazon_s3 = new Amazon_S3();
$s3_bucket = $amazon_s3->getBucket();
$s3_secret_key = $amazon_s3->getSecretKey();
$s3_access_key = $amazon_s3->getAccessKey();
$zend_s3 = $amazon_s3->getZendServiceAmazonS3();
$expires = time()+$expires;
$string_to_sign = utf8_encode("GET\n\n\n$expires\n/$bucket/$resource_id");
$string_to_sign = utf8_encode("GET\n\n\n$expires\n/$s3_bucket/$resource_id");
// We need to urlencode the entire signature in case the hashed signature
// has spaces. (NOTE: utf8_encode() does not work here because it turns
// spaces into non-breaking spaces)
$signature = urlencode(base64_encode((hash_hmac("sha1", $string_to_sign, $s3_key_secret, true))));
$signature = urlencode(base64_encode((hash_hmac("sha1", $string_to_sign, $s3_secret_key, true))));
$authentication_params = "AWSAccessKeyId=$s3_key&Expires=$expires&Signature=$signature";
$authentication_params = "AWSAccessKeyId=$s3_access_key&Expires=$expires&Signature=$signature";
$s3 = new Zend_Service_Amazon_S3($s3_key, $s3_key_secret);
$endpoint = $s3->getEndpoint();
$endpoint = $zend_s3->getEndpoint();
$scheme = $endpoint->getScheme();
$host = $endpoint->getHost();
$url = "$scheme://$host/$bucket/".utf8_encode($resource_id)."?$authentication_params";
$url = "$scheme://$host/$s3_bucket/".utf8_encode($resource_id)."?$authentication_params";
return $url;
}
public function getFileSize()
{
return strlen(file_get_contents($this->getAbsoluteFilePath()));
$amazon_s3 = new Amazon_S3();
$zend_s3 = $amazon_s3->getZendServiceAmazonS3();
$bucket = $amazon_s3->getBucket();
$resource_id = $this->getResourceId();
$amz_resource = utf8_encode("$bucket/$resource_id");
$amz_resource_info = $zend_s3->getInfo($amz_resource);
return $amz_resource_info["size"];
}
public function getFilename()
@ -80,31 +90,21 @@ class CloudFile extends BaseCloudFile
/**
*
* Deletes the file from Amazon S3
*
* If the file was successfully deleted the filesize of that file is returned
*/
public function deletePhysicalFile()
{
$CC_CONFIG = Config::getConfig();
$s3 = new Zend_Service_Amazon_S3(
$CC_CONFIG['cloud_storage']['api_key'],
$CC_CONFIG['cloud_storage']['api_key_secret']);
$bucket = $CC_CONFIG['cloud_storage']['bucket'];
$amazon_s3 = new Amazon_S3();
$zend_s3 = $amazon_s3->getZendServiceAmazonS3();
$bucket = $amazon_s3->getBucket();
$resource_id = $this->getResourceId();
$amz_resource = utf8_encode("$bucket/$resource_id");
if ($s3->isObjectAvailable($amz_resource)) {
$obj_info = $s3->getInfo($amz_resource);
$filesize = $obj_info["size"];
if ($zend_s3->isObjectAvailable($amz_resource)) {
// removeObject() returns true even if the object was not deleted (bug?)
// so that is not a good way to do error handling. isObjectAvailable()
// does however return the correct value; We have to assume that if the
// object is available the removeObject() function will work.
$s3->removeObject($amz_resource);
return $filesize;
$zend_s3->removeObject($amz_resource);
} else {
throw new Exception("ERROR: Could not locate object on Amazon S3");
}