132 lines
4.3 KiB
PHP
132 lines
4.3 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 = $this->getResourceId();
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$expires = time()+$expires;
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$string_to_sign = "GET\n\n\n{$expires}\n/{$bucket}/{$resource}";
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$signature = base64_encode((hash_hmac("sha1", utf8_encode($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}/{$bucket}/".urlencode($resource)."?{$authentication_params}";
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Logging::info($url);
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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 ($http_status["http_code"] === 200)
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{
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return true;
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} else {
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return false;
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}
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}
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/**
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*
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* Deletes the file from cloud storage by executing a python script
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* that uses Apache Libcloud to connect with the cloud storage service
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*
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* If the file was successfully deleted the filesize of that file is returned
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*/
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public function deletePhysicalFile()
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{
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$CC_CONFIG = Config::getConfig();
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$provider = escapeshellarg($CC_CONFIG["cloud_storage"]["provider"]);
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$bucket = escapeshellarg($CC_CONFIG["cloud_storage"]["bucket"]);
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$apiKey = escapeshellarg($CC_CONFIG["cloud_storage"]["api_key"]);
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$apiSecret = escapeshellarg($CC_CONFIG["cloud_storage"]["api_key_secret"]);
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$objName = escapeshellarg($this->getResourceId());
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$command = "/usr/lib/airtime/pypo/bin/cloud_storage_deleter.py $provider $bucket $apiKey $apiSecret $objName 2>&1 echo $?";
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$output = shell_exec($command);
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if ($output != "") {
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if (stripos($output, 'filesize') === false) {
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Logging::info($output);
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throw new Exception("Could not delete file from cloud storage");
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}
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}
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$outputArr = json_decode($output, true);
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return $outputArr["filesize"];
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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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public function downloadFile()
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{
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$CC_CONFIG = Config::getConfig();
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$s3 = new Zend_Service_Amazon_S3($CC_CONFIG['cloud_storage']['api_key'], $CC_CONFIG['cloud_storage']['api_key_secret']);
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//$fileObj = $s3->getObject($CC_CONFIG['cloud_storage']['bucket']."/".$this->getResourceId());
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$response_stream = $s3->getObjectStream($CC_CONFIG['cloud_storage']['bucket']."/".$this->getResourceId());
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copy($response_stream->getStreamName(), "/tmp/".$this->getResourceId());
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Logging::info($response_stream);
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}
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}
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