544d20ebc2
Fixed track preview and download signed urls Removed cloud_storage_deleter.py file Changed cloud_storage settings in airtime.conf
122 lines
3.9 KiB
PHP
122 lines
3.9 KiB
PHP
<?php
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require_once 'Zend/Service/Amazon/S3.php';
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/**
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* Skeleton subclass for representing a row from the 'cloud_file' table.
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*
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*
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*
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* You should add additional methods to this class to meet the
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* application requirements. This class will only be generated as
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* long as it does not already exist in the output directory.
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*
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* @package propel.generator.airtime
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*/
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class CloudFile extends BaseCloudFile
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{
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public function getAbsoluteFilePath()
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{
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$CC_CONFIG = Config::getConfig();
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return $this->get_s3_signed_url(
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$CC_CONFIG['cloud_storage']['api_key'],
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$CC_CONFIG['cloud_storage']['api_key_secret'],
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$CC_CONFIG['cloud_storage']['bucket']);
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}
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private function get_s3_signed_url($s3_key, $s3_key_secret, $bucket)
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{
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//should be longer than track length
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$expires = 120;
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$resource_id = $this->getResourceId();
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$expires = time()+$expires;
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$string_to_sign = utf8_encode("GET\n\n\n$expires\n/$bucket/$resource_id");
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// We need to urlencode the entire signature in case the hashed signature
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// has spaces. (NOTE: utf8_encode() does not work here because it turns
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// spaces into non-breaking spaces)
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$signature = urlencode(base64_encode((hash_hmac("sha1", $string_to_sign, $s3_key_secret, true))));
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$authentication_params = "AWSAccessKeyId=$s3_key&Expires=$expires&Signature=$signature";
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$s3 = new Zend_Service_Amazon_S3($s3_key, $s3_key_secret);
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$endpoint = $s3->getEndpoint();
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$scheme = $endpoint->getScheme();
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$host = $endpoint->getHost();
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$url = "$scheme://$host/$bucket/".utf8_encode($resource_id)."?$authentication_params";
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return $url;
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}
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public function getFileSize()
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{
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return strlen(file_get_contents($this->getAbsoluteFilePath()));
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}
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public function getFilename()
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{
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return $this->getDbFilepath();
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}
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public function isValidFile()
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{
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$ch = curl_init();
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curl_setopt_array($ch, array(
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CURLOPT_URL => $this->getAbsoluteFilePath(),
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_SSL_VERIFYPEER => false,
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CURLOPT_VERBOSE => false
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));
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curl_exec($ch);
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$http_status = curl_getinfo($ch);
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if ($http_status["http_code"] === 200)
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{
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return true;
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} else {
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return false;
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}
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}
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/**
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*
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* Deletes the file from Amazon S3
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*
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* If the file was successfully deleted the filesize of that file is returned
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*/
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public function deletePhysicalFile()
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{
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$CC_CONFIG = Config::getConfig();
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$s3 = new Zend_Service_Amazon_S3(
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$CC_CONFIG['cloud_storage']['api_key'],
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$CC_CONFIG['cloud_storage']['api_key_secret']);
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$bucket = $CC_CONFIG['cloud_storage']['bucket'];
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$resource_id = $this->getResourceId();
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$amz_resource = utf8_encode("$bucket/$resource_id");
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if ($s3->isObjectAvailable($amz_resource)) {
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$obj_info = $s3->getInfo($amz_resource);
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$filesize = $obj_info["size"];
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// removeObject() returns true even if the object was not deleted (bug?)
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// so that is not a good way to do error handling. isObjectAvailable()
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// does however return the correct value; We have to assume that if the
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// object is available the removeObject() function will work.
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$s3->removeObject($amz_resource);
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return $filesize;
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} else {
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throw new Exception("ERROR: Could not locate object on Amazon S3");
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}
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}
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/**
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*
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* Deletes the cloud_file's 'parent' object before itself
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*/
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public function delete(PropelPDO $con = NULL)
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{
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CcFilesQuery::create()->findPk($this->getCcFileId())->delete();
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parent::delete();
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}
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}
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