/**
* Class Constructor
*/
public function __construct($options)
{
// init vars
$this->app = App::getInstance('zoo');
// init S3 Utility
$this->s3 = AEUtilAmazons3::getInstance($options['accesskey'], $options['secretkey'], false);
// store bucket reference
$this->bucket = $options['bucket'];
}
private function _getS3Object()
{
static $s3 = null;
if (!is_object($s3)) {
$s3Access = $this->getState('s3access');
$s3Secret = $this->getState('s3secret');
$s3 = AEUtilAmazons3::getInstance($s3Access, $s3Secret, false);
}
return $s3;
}
public function _S3()
{
if ($this->_s3 == null) {
$bucket = $this->config->find('files._s3bucket');
$accesskey = trim($this->app->zlfw->decryptPassword($this->config->find('files._awsaccesskey')));
$secretkey = trim($this->app->zlfw->decryptPassword($this->config->find('files._awssecretkey')));
// register s3 class
$this->app->loader->register('AEUtilAmazons3', 'classes:amazons3.php');
// init S3 Utility
$this->_s3 = AEUtilAmazons3::getInstance($accesskey, $secretkey, false);
}
return $this->_s3;
}
public function downloadToFile($remotePath, $localFile, $fromOffset = null, $length = null)
{
// Retrieve engine configuration data
$config = AEFactory::getConfiguration();
$accesskey = trim($config->get('engine.postproc.googlestorage.accesskey', ''));
$secret = trim($config->get('engine.postproc.googlestorage.secretkey', ''));
$usessl = $config->get('engine.postproc.googlestorage.usessl', 0) == 0 ? false : true;
$bucket = $config->get('engine.postproc.googlestorage.bucket', '');
// Sanity checks
if (empty($accesskey)) {
$this->setError('You have not set up your Google Storage Access Key');
return false;
}
if (empty($secret)) {
$this->setError('You have not set up your Google Storage Secret Key');
return false;
}
if (empty($bucket)) {
$this->setError('You have not set up your Google Storage Bucket');
return false;
} else {
// Remove any slashes from the bucket
$bucket = str_replace('/', '', $bucket);
if ($lowercase) {
$bucket = strtolower($bucket);
}
}
// Create an S3 instance with the required credentials
$s3 = AEUtilAmazons3::getInstance($accesskey, $secret, $usessl);
$s3->defaultHost = 'commondatastorage.googleapis.com';
if ($fromOffset && $length) {
$toOffset = $fromOffset + $length - 1;
} else {
$toOffset = null;
}
$result = $s3->getObject($bucket, $remotePath, $localFile, $fromOffset, $toOffset);
// Return the result
$this->propagateFromObject($s3);
return $result;
}
public function downloadToBrowser($remotePath)
{
// Retrieve engine configuration data
$config = AEFactory::getConfiguration();
$accesskey = trim($config->get('engine.postproc.s3.accesskey', ''));
$secret = trim($config->get('engine.postproc.s3.secretkey', ''));
$usessl = $config->get('engine.postproc.s3.usessl', 0) == 0 ? false : true;
$bucket = $config->get('engine.postproc.s3.bucket', '');
$lowercase = $config->get('engine.postproc.s3.lowercase', 1);
$rrs = $config->get('engine.postproc.s3.rrs', 1);
$endpoint = $config->get('engine.postproc.s3.customendpoint', '');
$endpoint = trim($endpoint);
if (!empty($endpoint)) {
$protoPos = strpos($endpoint, ':\\');
if ($protoPos !== false) {
$endpoint = substr($endpoint, $protoPos + 3);
}
$slashPos = strpos($endpoint, '/');
if ($slashPos !== false) {
$endpoint = substr($endpoint, $slashPos + 1);
}
}
// Sanity checks
if (empty($accesskey)) {
$this->setError('You have not set up your Amazon S3 Access Key');
return false;
}
if (empty($secret)) {
$this->setError('You have not set up your Amazon S3 Secret Key');
return false;
}
if (empty($bucket)) {
$this->setError('You have not set up your Amazon S3 Bucket');
return false;
} else {
// Remove any slashes from the bucket
$bucket = str_replace('/', '', $bucket);
if ($lowercase) {
$bucket = strtolower($bucket);
}
}
// Create an S3 instance with the required credentials
$s3 = AEUtilAmazons3::getInstance($accesskey, $secret, $usessl);
if (!empty($endpoint)) {
$s3->defaultHost = $endpoint;
}
$expires = time() + 10;
// Should be plenty of time for a simple redirection!
$stringToSign = "GET\n\n\n{$expires}\n/{$bucket}/{$remotePath}";
$signature = AEUtilAmazons3::__getHash($stringToSign);
$url = $usessl ? 'https://' : 'http://';
$url .= "{$bucket}.s3.amazonaws.com/{$remotePath}?AWSAccessKeyId=" . urlencode($accesskey) . "&Expires={$expires}&Signature=" . urlencode($signature);
return $url;
}
/**
* Test Authentication
*/
public static function testAuth()
{
$rest = new AEUtilsS3Request('GET', '', '', AEUtilAmazons3::getInstance()->defaultHost);
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 200) {
$rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
}
if ($rest->error !== false) {
$o = self::getInstance();
$o->setError(sprintf(__CLASS__ . '::' . __METHOD__ . "(): [%s] %s", $rest->error['code'], $rest->error['message']));
return false;
}
return true;
}
/**
* Get a list of buckets
*
* @param boolean $detailed Returns detailed bucket list when true
* @return array | false
*/
public static function listBuckets($detailed = false)
{
$rest = new AEUtilsS3Request('GET', '', '', AEUtilAmazons3::getInstance()->defaultHost);
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 200) {
$rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
}
if ($rest->error !== false) {
$o = self::getInstance();
$o->setError(sprintf(__CLASS__ . '::' . __METHOD__ . "(): [%s] %s", $rest->error['code'], $rest->error['message']));
return false;
}
$results = array();
if (!isset($rest->body->Buckets)) {
return $results;
}
if ($detailed) {
if (isset($rest->body->Owner, $rest->body->Owner->ID, $rest->body->Owner->DisplayName)) {
$results['owner'] = array('id' => (string) $rest->body->Owner->ID, 'name' => (string) $rest->body->Owner->ID);
}
$results['buckets'] = array();
foreach ($rest->body->Buckets->Bucket as $b) {
$results['buckets'][] = array('name' => (string) $b->Name, 'time' => strtotime((string) $b->CreationDate));
}
} else {
foreach ($rest->body->Buckets->Bucket as $b) {
$results[] = (string) $b->Name;
}
}
return $results;
}
