/** * Get the S3 response * * @return object | false */ public function getResponse() { $query = ''; if (sizeof($this->parameters) > 0) { $query = substr($this->uri, -1) !== '?' ? '?' : '&'; foreach ($this->parameters as $var => $value) { if ($value == null || $value == '') { $query .= $var . '&'; } else { $query .= $var . '=' . rawurlencode($value) . '&'; } } $query = substr($query, 0, -1); $this->uri .= $query; if (array_key_exists('acl', $this->parameters) || array_key_exists('location', $this->parameters) || array_key_exists('torrent', $this->parameters) || array_key_exists('website', $this->parameters) || array_key_exists('logging', $this->parameters)) { $this->resource .= $query; } } $url = (mwpS3::$useSSL ? 'https://' : 'http://') . ($this->headers['Host'] !== '' ? $this->headers['Host'] : $this->endpoint) . $this->uri; //var_dump('bucket: ' . $this->bucket, 'uri: ' . $this->uri, 'resource: ' . $this->resource, 'url: ' . $url); // Basic setup $curl = curl_init(); curl_setopt($curl, CURLOPT_USERAGENT, 'S3/php'); curl_setopt($curl, CURLOPT_TIMEOUT, 600); if (mwpS3::$useSSL) { // SSL Validation can now be optional for those with broken OpenSSL installations curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, mwpS3::$useSSLValidation ? 1 : 0); curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, mwpS3::$useSSLValidation ? 1 : 0); if (mwpS3::$sslKey !== null) { curl_setopt($curl, CURLOPT_SSLKEY, mwpS3::$sslKey); } if (mwpS3::$sslCert !== null) { curl_setopt($curl, CURLOPT_SSLCERT, mwpS3::$sslCert); } if (mwpS3::$sslCACert !== null) { curl_setopt($curl, CURLOPT_CAINFO, mwpS3::$sslCACert); } } curl_setopt($curl, CURLOPT_URL, $url); if (mwpS3::$proxy != null && isset(mwpS3::$proxy['host'])) { curl_setopt($curl, CURLOPT_PROXY, mwpS3::$proxy['host']); curl_setopt($curl, CURLOPT_PROXYTYPE, mwpS3::$proxy['type']); if (isset(mwpS3::$proxy['user'], mwpS3::$proxy['pass']) && $proxy['user'] != null && $proxy['pass'] != null) { curl_setopt($curl, CURLOPT_PROXYUSERPWD, sprintf('%s:%s', mwpS3::$proxy['user'], mwpS3::$proxy['pass'])); } } // Headers $headers = array(); $amz = array(); foreach ($this->amzHeaders as $header => $value) { if (strlen($value) > 0) { $headers[] = $header . ': ' . $value; } } foreach ($this->headers as $header => $value) { if (strlen($value) > 0) { $headers[] = $header . ': ' . $value; } } // Collect AMZ headers for signature foreach ($this->amzHeaders as $header => $value) { if (strlen($value) > 0) { $amz[] = strtolower($header) . ':' . $value; } } // AMZ headers must be sorted if (sizeof($amz) > 0) { sort($amz); $amz = "\n" . implode("\n", $amz); } else { $amz = ''; } if (mwpS3::hasAuth()) { // Authorization string (CloudFront stringToSign should only contain a date) if ($this->headers['Host'] == 'cloudfront.amazonaws.com') { $headers[] = 'Authorization: ' . mwpS3::__getSignature($this->headers['Date']); } else { $headers[] = 'Authorization: ' . mwpS3::__getSignature($this->verb . "\n" . $this->headers['Content-MD5'] . "\n" . $this->headers['Content-Type'] . "\n" . $this->headers['Date'] . $amz . "\n" . $this->resource); } } curl_setopt($curl, CURLOPT_HTTPHEADER, $headers); curl_setopt($curl, CURLOPT_HEADER, false); curl_setopt($curl, CURLOPT_RETURNTRANSFER, false); curl_setopt($curl, CURLOPT_WRITEFUNCTION, array(&$this, '__responseWriteCallback')); curl_setopt($curl, CURLOPT_HEADERFUNCTION, array(&$this, '__responseHeaderCallback')); curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); // Request types switch ($this->verb) { case 'GET': break; case 'PUT': case 'POST': // POST only used for CloudFront if ($this->fp !== false) { curl_setopt($curl, CURLOPT_PUT, true); curl_setopt($curl, CURLOPT_INFILE, $this->fp); if ($this->size >= 0) { curl_setopt($curl, CURLOPT_INFILESIZE, $this->size); } } elseif ($this->data !== false) { curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $this->verb); curl_setopt($curl, CURLOPT_POSTFIELDS, $this->data); } else { curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $this->verb); } break; case 'HEAD': curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'HEAD'); curl_setopt($curl, CURLOPT_NOBODY, true); break; case 'DELETE': curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'DELETE'); break; default: break; } // Execute, grab errors if (curl_exec($curl)) { $this->response->code = curl_getinfo($curl, CURLINFO_HTTP_CODE); } else { $this->response->error = array('code' => curl_errno($curl), 'message' => curl_error($curl), 'resource' => $this->resource); } @curl_close($curl); // Parse body into XML if ($this->response->error === false && isset($this->response->headers['type']) && $this->response->headers['type'] == 'application/xml' && isset($this->response->body)) { $this->response->body = simplexml_load_string($this->response->body); // Grab S3 errors if (!in_array($this->response->code, array(200, 204, 206)) && isset($this->response->body->Code, $this->response->body->Message)) { $this->response->error = array('code' => (string) $this->response->body->Code, 'message' => (string) $this->response->body->Message); if (isset($this->response->body->Resource)) { $this->response->error['resource'] = (string) $this->response->body->Resource; } unset($this->response->body); } } // Clean up file resources if ($this->fp !== false && is_resource($this->fp)) { fclose($this->fp); } return $this->response; }
/** * Downloads backup file from Amazon S3 to root folder on local server. * * @param array $args arguments passed to the function * [as3_bucket_region] -> Amazon S3 bucket region * [as3_bucket] -> Amazon S3 bucket * [as3_access_key] -> Amazon S3 access key * [as3_secure_key] -> Amazon S3 secure key * [as3_directory] -> folder on user's Amazon S3 account which backup file should be downloaded from * [as3_site_folder] -> subfolder with site name in as3_directory which backup file should be downloaded from * [backup_file] -> absolute path of backup file on local server * @return bool|array absolute path to downloaded file is successful, array with error message if not */ function get_amazons3_backup($args) { require_once 'lib/s3.php'; extract($args); $endpoint = isset($as3_bucket_region) ? $as3_bucket_region : 's3.amazonaws.com'; $temp = ''; try { $s3 = new mwpS3($as3_access_key, str_replace(' ', '+', $as3_secure_key), false, $endpoint); if ($as3_site_folder == true) { $as3_directory .= '/' . $this->site_name; } $temp = ABSPATH . 'mwp_temp_backup.zip'; $s3->getObject($as3_bucket, $as3_directory . '/' . $backup_file, $temp); } catch (Exception $e) { return $temp; } return $temp; }