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<?php
/**
* $Id$
*
* Copyright (c) 2013, Donovan Schönknecht. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Amazon S3 is a trademark of Amazon.com, Inc. or its affiliates.
*/
/**
* Amazon S3 PHP class
*
* @link http://undesigned.org.za/2007/10/22/amazon-s3-php-class
* @version 0.5.1
*/
class S3
{
// ACL flags
const ACL_PRIVATE = 'private';
const ACL_PUBLIC_READ = 'public-read';
const ACL_PUBLIC_READ_WRITE = 'public-read-write';
const ACL_AUTHENTICATED_READ = 'authenticated-read';
const STORAGE_CLASS_STANDARD = 'STANDARD';
const STORAGE_CLASS_RRS = 'REDUCED_REDUNDANCY';
const STORAGE_CLASS_STANDARD_IA = 'STANDARD_IA';
const SSE_NONE = '';
const SSE_AES256 = 'AES256';
/**
* The AWS Access key
*
* @var string
* @access private
* @static
*/
private static $__accessKey = null;
/**
* AWS Secret Key
*
* @var string
* @access private
* @static
*/
private static $__secretKey = null;
/**
* SSL Client key
*
* @var string
* @access private
* @static
*/
private static $__sslKey = null;
/**
* Default delimiter to be used, for example while getBucket().
* @var string
* @access public
* @static
*/
public static $defDelimiter = null;
/**
* AWS URI
*
* @var string
* @acess public
* @static
*/
public static $endpoint = 's3.amazonaws.com';
/**
* AWS Region
*
* @var string
* @acess public
* @static
*/
public static $region = '';
/**
* Proxy information
*
* @var null|array
* @access public
* @static
*/
public static $proxy = null;
/**
* Connect using SSL?
*
* @var bool
* @access public
* @static
*/
public static $useSSL = false;
/**
* Use SSL validation?
*
* @var bool
* @access public
* @static
*/
public static $useSSLValidation = true;
/**
* Use SSL version
*
* @var const
* @access public
* @static
*/
public static $useSSLVersion = CURL_SSLVERSION_TLSv1;
/**
* Use PHP exceptions?
*
* @var bool
* @access public
* @static
*/
public static $useExceptions = false;
/**
* Time offset applied to time()
* @access private
* @static
*/
private static $__timeOffset = 0;
/**
* SSL client key
*
* @var bool
* @access public
* @static
*/
public static $sslKey = null;
/**
* SSL client certfificate
*
* @var string
* @acess public
* @static
*/
public static $sslCert = null;
/**
* SSL CA cert (only required if you are having problems with your system
CA cert)
*
* @var string
* @access public
* @static
*/
public static $sslCACert = null;
/**
* AWS Key Pair ID
*
* @var string
* @access private
* @static
*/
private static $__signingKeyPairId = null;
/**
* Key resource, freeSigningKey() must be called to clear it from memory
*
* @var bool
* @access private
* @static
*/
private static $__signingKeyResource = false;
/**
* AWS Signature Version
*
* @var string
* @acess public
* @static
*/
public static $signVer = 'v2';
/**
* Constructor - if you're not using the class statically
*
* @param string $accessKey Access key
* @param string $secretKey Secret key
* @param boolean $useSSL Enable SSL
* @param string $endpoint Amazon URI
* @return void
*/
public function __construct($accessKey = null, $secretKey = null, $useSSL
= false, $endpoint = 's3.amazonaws.com', $region = '')
{
if ($accessKey !== null && $secretKey !== null)
self::setAuth($accessKey, $secretKey);
self::$useSSL = $useSSL;
self::$endpoint = $endpoint;
self::$region = $region;
}
/**
* Set the service endpoint
*
* @param string $host Hostname
* @return void
*/
public function setEndpoint($host)
{
self::$endpoint = $host;
}
/**
* Set the service region
*
* @param string $region
* @return void
*/
public function setRegion($region)
{
self::$region = $region;
}
/**
* Get the service region
*
* @return string $region
* @static
*/
public static function getRegion()
{
$region = self::$region;
// parse region from endpoint if not specific
if (empty($region)) {
if
(preg_match("/s3[.-](?:website-|dualstack\.)?(.+)\.amazonaws\.com/i",self::$endpoint,$match)
!== 0 && strtolower($match[1]) !== "external-1") {
$region = $match[1];
}
}
return empty($region) ? 'us-east-1' : $region;
}
/**
* Set AWS access key and secret key
*
* @param string $accessKey Access key
* @param string $secretKey Secret key
* @return void
*/
public static function setAuth($accessKey, $secretKey)
{
self::$__accessKey = $accessKey;
self::$__secretKey = $secretKey;
}
/**
* Check if AWS keys have been set
*
* @return boolean
*/
public static function hasAuth() {
return (self::$__accessKey !== null && self::$__secretKey !==
null);
}
/**
* Set SSL on or off
*
* @param boolean $enabled SSL enabled
* @param boolean $validate SSL certificate validation
* @return void
*/
public static function setSSL($enabled, $validate = true)
{
self::$useSSL = $enabled;
self::$useSSLValidation = $validate;
}
/**
* Set SSL client certificates (experimental)
*
* @param string $sslCert SSL client certificate
* @param string $sslKey SSL client key
* @param string $sslCACert SSL CA cert (only required if you are having
problems with your system CA cert)
* @return void
*/
public static function setSSLAuth($sslCert = null, $sslKey = null,
$sslCACert = null)
{
self::$sslCert = $sslCert;
self::$sslKey = $sslKey;
self::$sslCACert = $sslCACert;
}
/**
* Set proxy information
*
* @param string $host Proxy hostname and port (localhost:1234)
* @param string $user Proxy username
* @param string $pass Proxy password
* @param constant $type CURL proxy type
* @return void
*/
public static function setProxy($host, $user = null, $pass = null, $type =
CURLPROXY_SOCKS5)
{
self::$proxy = array('host' => $host, 'type' =>
$type, 'user' => $user, 'pass' => $pass);
}
/**
* Set the error mode to exceptions
*
* @param boolean $enabled Enable exceptions
* @return void
*/
public static function setExceptions($enabled = true)
{
self::$useExceptions = $enabled;
}
/**
* Set AWS time correction offset (use carefully)
*
* This can be used when an inaccurate system time is generating
* invalid request signatures. It should only be used as a last
* resort when the system time cannot be changed.
*
* @param string $offset Time offset (set to zero to use AWS server time)
* @return void
*/
public static function setTimeCorrectionOffset($offset = 0)
{
if ($offset == 0)
{
$rest = new S3Request('HEAD');
$rest = $rest->getResponse();
$awstime = $rest->headers['date'];
$systime = time();
$offset = $systime > $awstime ? -($systime - $awstime) : ($awstime -
$systime);
}
self::$__timeOffset = $offset;
}
/**
* Set signing key
*
* @param string $keyPairId AWS Key Pair ID
* @param string $signingKey Private Key
* @param boolean $isFile Load private key from file, set to false to load
string
* @return boolean
*/
public static function setSigningKey($keyPairId, $signingKey, $isFile =
true)
{
self::$__signingKeyPairId = $keyPairId;
if ((self::$__signingKeyResource = openssl_pkey_get_private($isFile ?
file_get_contents($signingKey) : $signingKey)) !== false) return true;
self::__triggerError('S3::setSigningKey(): Unable to open load
private key: '.$signingKey, __FILE__, __LINE__);
return false;
}
/**
* Set Signature Version
*
* @param string $version of signature ('v4' or 'v2')
* @return void
*/
public static function setSignatureVersion($version = 'v2')
{
self::$signVer = $version;
}
/**
* Free signing key from memory, MUST be called if you are using
setSigningKey()
*
* @return void
*/
public static function freeSigningKey()
{
if (self::$__signingKeyResource !== false)
openssl_free_key(self::$__signingKeyResource);
}
/**
* Internal error handler
*
* @internal Internal error handler
* @param string $message Error message
* @param string $file Filename
* @param integer $line Line number
* @param integer $code Error code
* @return void
*/
private static function __triggerError($message, $file, $line, $code = 0)
{
if (self::$useExceptions)
throw new S3Exception($message, $file, $line, $code);
else
trigger_error($message, E_USER_WARNING);
}
/**
* Get a list of buckets
*
* @param boolean $detailed Returns detailed bucket list when true
* @return array | false
*/
public static function listBuckets($detailed = false)
{
$rest = new S3Request('GET', '', '',
self::$endpoint);
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 200)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::listBuckets(): [%s] %s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
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->DisplayName
);
$results['buckets'] = array();
foreach ($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;
}
/**
* Get contents for a bucket
*
* If maxKeys is null this method will loop through truncated result sets
*
* @param string $bucket Bucket name
* @param string $prefix Prefix
* @param string $marker Marker (last file listed)
* @param string $maxKeys Max keys (maximum number of keys to return)
* @param string $delimiter Delimiter
* @param boolean $returnCommonPrefixes Set to true to return
CommonPrefixes
* @return array | false
*/
public static function getBucket($bucket, $prefix = null, $marker = null,
$maxKeys = null, $delimiter = null, $returnCommonPrefixes = false)
{
$rest = new S3Request('GET', $bucket, '',
self::$endpoint);
if ($maxKeys == 0) $maxKeys = null;
if ($prefix !== null && $prefix !== '')
$rest->setParameter('prefix', $prefix);
if ($marker !== null && $marker !== '')
$rest->setParameter('marker', $marker);
if ($maxKeys !== null && $maxKeys !== '')
$rest->setParameter('max-keys', $maxKeys);
if ($delimiter !== null && $delimiter !== '')
$rest->setParameter('delimiter', $delimiter);
else if (!empty(self::$defDelimiter))
$rest->setParameter('delimiter', self::$defDelimiter);
$response = $rest->getResponse();
if ($response->error === false && $response->code !== 200)
$response->error = array('code' => $response->code,
'message' => 'Unexpected HTTP status');
if ($response->error !== false)
{
self::__triggerError(sprintf("S3::getBucket(): [%s] %s",
$response->error['code'],
$response->error['message']), __FILE__, __LINE__);
return false;
}
$results = array();
$nextMarker = null;
if (isset($response->body, $response->body->Contents))
foreach ($response->body->Contents as $c)
{
$results[(string)$c->Key] = array(
'name' => (string)$c->Key,
'time' => strtotime((string)$c->LastModified),
'size' => (int)$c->Size,
'hash' => substr((string)$c->ETag, 1, -1)
);
$nextMarker = (string)$c->Key;
}
if ($returnCommonPrefixes && isset($response->body,
$response->body->CommonPrefixes))
foreach ($response->body->CommonPrefixes as $c)
$results[(string)$c->Prefix] = array('prefix' =>
(string)$c->Prefix);
if (isset($response->body, $response->body->IsTruncated)
&&
(string)$response->body->IsTruncated == 'false') return
$results;
if (isset($response->body, $response->body->NextMarker))
$nextMarker = (string)$response->body->NextMarker;
// Loop through truncated results if maxKeys isn't specified
if ($maxKeys == null && $nextMarker !== null &&
(string)$response->body->IsTruncated == 'true')
do
{
$rest = new S3Request('GET', $bucket, '',
self::$endpoint);
if ($prefix !== null && $prefix !== '')
$rest->setParameter('prefix', $prefix);
$rest->setParameter('marker', $nextMarker);
if ($delimiter !== null && $delimiter !== '')
$rest->setParameter('delimiter', $delimiter);
if (($response = $rest->getResponse()) == false ||
$response->code !== 200) break;
if (isset($response->body, $response->body->Contents))
foreach ($response->body->Contents as $c)
{
$results[(string)$c->Key] = array(
'name' => (string)$c->Key,
'time' => strtotime((string)$c->LastModified),
'size' => (int)$c->Size,
'hash' => substr((string)$c->ETag, 1, -1)
);
$nextMarker = (string)$c->Key;
}
if ($returnCommonPrefixes && isset($response->body,
$response->body->CommonPrefixes))
foreach ($response->body->CommonPrefixes as $c)
$results[(string)$c->Prefix] = array('prefix' =>
(string)$c->Prefix);
if (isset($response->body, $response->body->NextMarker))
$nextMarker = (string)$response->body->NextMarker;
} while ($response !== false &&
(string)$response->body->IsTruncated == 'true');
return $results;
}
/**
* Put a bucket
*
* @param string $bucket Bucket name
* @param constant $acl ACL flag
* @param string $location Set as "EU" to create buckets hosted
in Europe
* @return boolean
*/
public static function putBucket($bucket, $acl = self::ACL_PRIVATE,
$location = false)
{
$rest = new S3Request('PUT', $bucket, '',
self::$endpoint);
$rest->setAmzHeader('x-amz-acl', $acl);
if ($location === false) $location = self::getRegion();
if ($location !== false)
{
$dom = new DOMDocument;
$createBucketConfiguration =
$dom->createElement('CreateBucketConfiguration');
$locationConstraint =
$dom->createElement('LocationConstraint', $location);
$createBucketConfiguration->appendChild($locationConstraint);
$dom->appendChild($createBucketConfiguration);
$rest->data = $dom->saveXML();
$rest->size = strlen($rest->data);
$rest->setHeader('Content-Type',
'application/xml');
}
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 200)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::putBucket({$bucket}, {$acl},
{$location}): [%s] %s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
}
return true;
}
/**
* Delete an empty bucket
*
* @param string $bucket Bucket name
* @return boolean
*/
public static function deleteBucket($bucket)
{
$rest = new S3Request('DELETE', $bucket, '',
self::$endpoint);
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 204)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::deleteBucket({$bucket}): [%s]
%s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
}
return true;
}
/**
* Create input info array for putObject()
*
* @param string $file Input file
* @param mixed $md5sum Use MD5 hash (supply a string if you want to use
your own)
* @return array | false
*/
public static function inputFile($file, $md5sum = true)
{
if (!file_exists($file) || !is_file($file) || !is_readable($file))
{
self::__triggerError('S3::inputFile(): Unable to open input file:
'.$file, __FILE__, __LINE__);
return false;
}
clearstatcache(false, $file);
return array('file' => $file, 'size' =>
filesize($file), 'md5sum' => $md5sum !== false ?
(is_string($md5sum) ? $md5sum : base64_encode(md5_file($file, true))) :
'', 'sha256sum' => hash_file('sha256',
$file));
}
/**
* Create input array info for putObject() with a resource
*
* @param string $resource Input resource to read from
* @param integer $bufferSize Input byte size
* @param string $md5sum MD5 hash to send (optional)
* @return array | false
*/
public static function inputResource(&$resource, $bufferSize = false,
$md5sum = '')
{
if (!is_resource($resource) || (int)$bufferSize < 0)
{
self::__triggerError('S3::inputResource(): Invalid resource or
buffer size', __FILE__, __LINE__);
return false;
}
// Try to figure out the bytesize
if ($bufferSize === false)
{
if (fseek($resource, 0, SEEK_END) < 0 || ($bufferSize =
ftell($resource)) === false)
{
self::__triggerError('S3::inputResource(): Unable to obtain
resource size', __FILE__, __LINE__);
return false;
}
fseek($resource, 0);
}
$input = array('size' => $bufferSize, 'md5sum'
=> $md5sum);
$input['fp'] =& $resource;
return $input;
}
/**
* Put an object
*
* @param mixed $input Input data
* @param string $bucket Bucket name
* @param string $uri Object URI
* @param constant $acl ACL constant
* @param array $metaHeaders Array of x-amz-meta-* headers
* @param array $requestHeaders Array of request headers or content type
as a string
* @param constant $storageClass Storage class constant
* @param constant $serverSideEncryption Server-side encryption
* @return boolean
*/
public static function putObject($input, $bucket, $uri, $acl =
self::ACL_PRIVATE, $metaHeaders = array(), $requestHeaders = array(),
$storageClass = self::STORAGE_CLASS_STANDARD, $serverSideEncryption =
self::SSE_NONE)
{
if ($input === false) return false;
$rest = new S3Request('PUT', $bucket, $uri, self::$endpoint);
if (!is_array($input)) $input = array(
'data' => $input, 'size' => strlen($input),
'md5sum' => base64_encode(md5($input, true)),
'sha256sum' => hash('sha256', $input)
);
// Data
if (isset($input['fp']))
$rest->fp =& $input['fp'];
elseif (isset($input['file']))
$rest->fp = @fopen($input['file'], 'rb');
elseif (isset($input['data']))
$rest->data = $input['data'];
// Content-Length (required)
if (isset($input['size']) && $input['size']
>= 0)
$rest->size = $input['size'];
else {
if (isset($input['file'])) {
clearstatcache(false, $input['file']);
$rest->size = filesize($input['file']);
}
elseif (isset($input['data']))
$rest->size = strlen($input['data']);
}
// Custom request headers (Content-Type, Content-Disposition,
Content-Encoding)
if (is_array($requestHeaders))
foreach ($requestHeaders as $h => $v)
strpos($h, 'x-amz-') === 0 ? $rest->setAmzHeader($h, $v) :
$rest->setHeader($h, $v);
elseif (is_string($requestHeaders)) // Support for legacy contentType
parameter
$input['type'] = $requestHeaders;
// Content-Type
if (!isset($input['type']))
{
if (isset($requestHeaders['Content-Type']))
$input['type'] =&
$requestHeaders['Content-Type'];
elseif (isset($input['file']))
$input['type'] =
self::__getMIMEType($input['file']);
else
$input['type'] = 'application/octet-stream';
}
if ($storageClass !== self::STORAGE_CLASS_STANDARD) // Storage class
$rest->setAmzHeader('x-amz-storage-class', $storageClass);
if ($serverSideEncryption !== self::SSE_NONE) // Server-side encryption
$rest->setAmzHeader('x-amz-server-side-encryption',
$serverSideEncryption);
// We need to post with Content-Length and Content-Type, MD5 is optional
if ($rest->size >= 0 && ($rest->fp !== false ||
$rest->data !== false))
{
$rest->setHeader('Content-Type', $input['type']);
if (isset($input['md5sum']))
$rest->setHeader('Content-MD5', $input['md5sum']);
if (isset($input['sha256sum']))
$rest->setAmzHeader('x-amz-content-sha256',
$input['sha256sum']);
$rest->setAmzHeader('x-amz-acl', $acl);
foreach ($metaHeaders as $h => $v)
$rest->setAmzHeader('x-amz-meta-'.$h, $v);
$rest->getResponse();
} else
$rest->response->error = array('code' => 0,
'message' => 'Missing input parameters');
if ($rest->response->error === false &&
$rest->response->code !== 200)
$rest->response->error = array('code' =>
$rest->response->code, 'message' => 'Unexpected
HTTP status');
if ($rest->response->error !== false)
{
self::__triggerError(sprintf("S3::putObject(): [%s] %s",
$rest->response->error['code'],
$rest->response->error['message']), __FILE__, __LINE__);
return false;
}
return true;
}
/**
* Put an object from a file (legacy function)
*
* @param string $file Input file path
* @param string $bucket Bucket name
* @param string $uri Object URI
* @param constant $acl ACL constant
* @param array $metaHeaders Array of x-amz-meta-* headers
* @param string $contentType Content type
* @return boolean
*/
public static function putObjectFile($file, $bucket, $uri, $acl =
self::ACL_PRIVATE, $metaHeaders = array(), $contentType = null)
{
return self::putObject(self::inputFile($file), $bucket, $uri, $acl,
$metaHeaders, $contentType);
}
/**
* Put an object from a string (legacy function)
*
* @param string $string Input data
* @param string $bucket Bucket name
* @param string $uri Object URI
* @param constant $acl ACL constant
* @param array $metaHeaders Array of x-amz-meta-* headers
* @param string $contentType Content type
* @return boolean
*/
public static function putObjectString($string, $bucket, $uri, $acl =
self::ACL_PRIVATE, $metaHeaders = array(), $contentType =
'text/plain')
{
return self::putObject($string, $bucket, $uri, $acl, $metaHeaders,
$contentType);
}
/**
* Get an object
*
* @param string $bucket Bucket name
* @param string $uri Object URI
* @param mixed $saveTo Filename or resource to write to
* @return mixed
*/
public static function getObject($bucket, $uri, $saveTo = false)
{
$rest = new S3Request('GET', $bucket, $uri, self::$endpoint);
if ($saveTo !== false)
{
if (is_resource($saveTo))
$rest->fp =& $saveTo;
else
if (($rest->fp = @fopen($saveTo, 'wb')) !== false)
$rest->file = realpath($saveTo);
else
$rest->response->error = array('code' => 0,
'message' => 'Unable to open save file for writing:
'.$saveTo);
}
if ($rest->response->error === false) $rest->getResponse();
if ($rest->response->error === false &&
$rest->response->code !== 200)
$rest->response->error = array('code' =>
$rest->response->code, 'message' => 'Unexpected
HTTP status');
if ($rest->response->error !== false)
{
self::__triggerError(sprintf("S3::getObject({$bucket}, {$uri}):
[%s] %s",
$rest->response->error['code'],
$rest->response->error['message']), __FILE__, __LINE__);
return false;
}
return $rest->response;
}
/**
* Get object information
*
* @param string $bucket Bucket name
* @param string $uri Object URI
* @param boolean $returnInfo Return response information
* @return mixed | false
*/
public static function getObjectInfo($bucket, $uri, $returnInfo = true)
{
$rest = new S3Request('HEAD', $bucket, $uri, self::$endpoint);
$rest = $rest->getResponse();
if ($rest->error === false && ($rest->code !== 200
&& $rest->code !== 404))
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::getObjectInfo({$bucket}, {$uri}):
[%s] %s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
}
return $rest->code == 200 ? $returnInfo ? $rest->headers : true :
false;
}
/**
* Copy an object
*
* @param string $srcBucket Source bucket name
* @param string $srcUri Source object URI
* @param string $bucket Destination bucket name
* @param string $uri Destination object URI
* @param constant $acl ACL constant
* @param array $metaHeaders Optional array of x-amz-meta-* headers
* @param array $requestHeaders Optional array of request headers (content
type, disposition, etc.)
* @param constant $storageClass Storage class constant
* @return mixed | false
*/
public static function copyObject($srcBucket, $srcUri, $bucket, $uri, $acl
= self::ACL_PRIVATE, $metaHeaders = array(), $requestHeaders = array(),
$storageClass = self::STORAGE_CLASS_STANDARD)
{
$rest = new S3Request('PUT', $bucket, $uri, self::$endpoint);
$rest->setHeader('Content-Length', 0);
foreach ($requestHeaders as $h => $v)
strpos($h, 'x-amz-') === 0 ? $rest->setAmzHeader($h, $v) :
$rest->setHeader($h, $v);
foreach ($metaHeaders as $h => $v)
$rest->setAmzHeader('x-amz-meta-'.$h, $v);
if ($storageClass !== self::STORAGE_CLASS_STANDARD) // Storage class
$rest->setAmzHeader('x-amz-storage-class', $storageClass);
$rest->setAmzHeader('x-amz-acl', $acl);
$rest->setAmzHeader('x-amz-copy-source',
sprintf('/%s/%s', $srcBucket, rawurlencode($srcUri)));
if (sizeof($requestHeaders) > 0 || sizeof($metaHeaders) > 0)
$rest->setAmzHeader('x-amz-metadata-directive',
'REPLACE');
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 200)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::copyObject({$srcBucket},
{$srcUri}, {$bucket}, {$uri}): [%s] %s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
}
return isset($rest->body->LastModified, $rest->body->ETag) ?
array(
'time' =>
strtotime((string)$rest->body->LastModified),
'hash' => substr((string)$rest->body->ETag, 1, -1)
) : false;
}
/**
* Set up a bucket redirection
*
* @param string $bucket Bucket name
* @param string $location Target host name
* @return boolean
*/
public static function setBucketRedirect($bucket = NULL, $location = NULL)
{
$rest = new S3Request('PUT', $bucket, '',
self::$endpoint);
if( empty($bucket) || empty($location) ) {
self::__triggerError("S3::setBucketRedirect({$bucket},
{$location}): Empty parameter.", __FILE__, __LINE__);
return false;
}
$dom = new DOMDocument;
$websiteConfiguration =
$dom->createElement('WebsiteConfiguration');
$redirectAllRequestsTo =
$dom->createElement('RedirectAllRequestsTo');
$hostName = $dom->createElement('HostName', $location);
$redirectAllRequestsTo->appendChild($hostName);
$websiteConfiguration->appendChild($redirectAllRequestsTo);
$dom->appendChild($websiteConfiguration);
$rest->setParameter('website', null);
$rest->data = $dom->saveXML();
$rest->size = strlen($rest->data);
$rest->setHeader('Content-Type',
'application/xml');
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 200)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::setBucketRedirect({$bucket},
{$location}): [%s] %s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
}
return true;
}
/**
* Set logging for a bucket
*
* @param string $bucket Bucket name
* @param string $targetBucket Target bucket (where logs are stored)
* @param string $targetPrefix Log prefix (e,g; domain.com-)
* @return boolean
*/
public static function setBucketLogging($bucket, $targetBucket,
$targetPrefix = null)
{
// The S3 log delivery group has to be added to the target bucket's
ACP
if ($targetBucket !== null && ($acp =
self::getAccessControlPolicy($targetBucket, '')) !== false)
{
// Only add permissions to the target bucket when they do not exist
$aclWriteSet = false;
$aclReadSet = false;
foreach ($acp['acl'] as $acl)
if ($acl['type'] == 'Group' &&
$acl['uri'] ==
'http://acs.amazonaws.com/groups/s3/LogDelivery')
{
if ($acl['permission'] == 'WRITE') $aclWriteSet =
true;
elseif ($acl['permission'] == 'READ_ACP')
$aclReadSet = true;
}
if (!$aclWriteSet) $acp['acl'][] = array(
'type' => 'Group', 'uri' =>
'http://acs.amazonaws.com/groups/s3/LogDelivery',
'permission' => 'WRITE'
);
if (!$aclReadSet) $acp['acl'][] = array(
'type' => 'Group', 'uri' =>
'http://acs.amazonaws.com/groups/s3/LogDelivery',
'permission' => 'READ_ACP'
);
if (!$aclReadSet || !$aclWriteSet)
self::setAccessControlPolicy($targetBucket, '', $acp);
}
$dom = new DOMDocument;
$bucketLoggingStatus =
$dom->createElement('BucketLoggingStatus');
$bucketLoggingStatus->setAttribute('xmlns',
'http://s3.amazonaws.com/doc/2006-03-01/');
if ($targetBucket !== null)
{
if ($targetPrefix == null) $targetPrefix = $bucket . '-';
$loggingEnabled = $dom->createElement('LoggingEnabled');
$loggingEnabled->appendChild($dom->createElement('TargetBucket',
$targetBucket));
$loggingEnabled->appendChild($dom->createElement('TargetPrefix',
$targetPrefix));
// TODO: Add TargetGrants?
$bucketLoggingStatus->appendChild($loggingEnabled);
}
$dom->appendChild($bucketLoggingStatus);
$rest = new S3Request('PUT', $bucket, '',
self::$endpoint);
$rest->setParameter('logging', null);
$rest->data = $dom->saveXML();
$rest->size = strlen($rest->data);
$rest->setHeader('Content-Type',
'application/xml');
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 200)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::setBucketLogging({$bucket},
{$targetBucket}): [%s] %s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
}
return true;
}
/**
* Get logging status for a bucket
*
* This will return false if logging is not enabled.
* Note: To enable logging, you also need to grant write access to the log
group
*
* @param string $bucket Bucket name
* @return array | false
*/
public static function getBucketLogging($bucket)
{
$rest = new S3Request('GET', $bucket, '',
self::$endpoint);
$rest->setParameter('logging', null);
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 200)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::getBucketLogging({$bucket}): [%s]
%s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
}
if (!isset($rest->body->LoggingEnabled)) return false; // No
logging
return array(
'targetBucket' =>
(string)$rest->body->LoggingEnabled->TargetBucket,
'targetPrefix' =>
(string)$rest->body->LoggingEnabled->TargetPrefix,
);
}
/**
* Disable bucket logging
*
* @param string $bucket Bucket name
* @return boolean
*/
public static function disableBucketLogging($bucket)
{
return self::setBucketLogging($bucket, null);
}
/**
* Get a bucket's location
*
* @param string $bucket Bucket name
* @return string | false
*/
public static function getBucketLocation($bucket)
{
$rest = new S3Request('GET', $bucket, '',
self::$endpoint);
$rest->setParameter('location', null);
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 200)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::getBucketLocation({$bucket}):
[%s] %s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
}
return (isset($rest->body[0]) && (string)$rest->body[0] !==
'') ? (string)$rest->body[0] : 'US';
}
/**
* Set object or bucket Access Control Policy
*
* @param string $bucket Bucket name
* @param string $uri Object URI
* @param array $acp Access Control Policy Data (same as the data returned
from getAccessControlPolicy)
* @return boolean
*/
public static function setAccessControlPolicy($bucket, $uri =
'', $acp = array())
{
$dom = new DOMDocument;
$dom->formatOutput = true;
$accessControlPolicy =
$dom->createElement('AccessControlPolicy');
$accessControlList =
$dom->createElement('AccessControlList');
// It seems the owner has to be passed along too
$owner = $dom->createElement('Owner');
$owner->appendChild($dom->createElement('ID',
$acp['owner']['id']));
$owner->appendChild($dom->createElement('DisplayName',
$acp['owner']['name']));
$accessControlPolicy->appendChild($owner);
foreach ($acp['acl'] as $g)
{
$grant = $dom->createElement('Grant');
$grantee = $dom->createElement('Grantee');
$grantee->setAttribute('xmlns:xsi',
'http://www.w3.org/2001/XMLSchema-instance');
if (isset($g['id']))
{ // CanonicalUser (DisplayName is omitted)
$grantee->setAttribute('xsi:type',
'CanonicalUser');
$grantee->appendChild($dom->createElement('ID',
$g['id']));
}
elseif (isset($g['email']))
{ // AmazonCustomerByEmail
$grantee->setAttribute('xsi:type',
'AmazonCustomerByEmail');
$grantee->appendChild($dom->createElement('EmailAddress',
$g['email']));
}
elseif ($g['type'] == 'Group')
{ // Group
$grantee->setAttribute('xsi:type', 'Group');
$grantee->appendChild($dom->createElement('URI',
$g['uri']));
}
$grant->appendChild($grantee);
$grant->appendChild($dom->createElement('Permission',
$g['permission']));
$accessControlList->appendChild($grant);
}
$accessControlPolicy->appendChild($accessControlList);
$dom->appendChild($accessControlPolicy);
$rest = new S3Request('PUT', $bucket, $uri, self::$endpoint);
$rest->setParameter('acl', null);
$rest->data = $dom->saveXML();
$rest->size = strlen($rest->data);
$rest->setHeader('Content-Type',
'application/xml');
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 200)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::setAccessControlPolicy({$bucket},
{$uri}): [%s] %s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
}
return true;
}
/**
* Get object or bucket Access Control Policy
*
* @param string $bucket Bucket name
* @param string $uri Object URI
* @return mixed | false
*/
public static function getAccessControlPolicy($bucket, $uri =
'')
{
$rest = new S3Request('GET', $bucket, $uri, self::$endpoint);
$rest->setParameter('acl', null);
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 200)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::getAccessControlPolicy({$bucket},
{$uri}): [%s] %s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
}
$acp = array();
if (isset($rest->body->Owner, $rest->body->Owner->ID,
$rest->body->Owner->DisplayName))
$acp['owner'] = array(
'id' => (string)$rest->body->Owner->ID,
'name' => (string)$rest->body->Owner->DisplayName
);
if (isset($rest->body->AccessControlList))
{
$acp['acl'] = array();
foreach ($rest->body->AccessControlList->Grant as $grant)
{
foreach ($grant->Grantee as $grantee)
{
if (isset($grantee->ID, $grantee->DisplayName)) // CanonicalUser
$acp['acl'][] = array(
'type' => 'CanonicalUser',
'id' => (string)$grantee->ID,
'name' => (string)$grantee->DisplayName,
'permission' => (string)$grant->Permission
);
elseif (isset($grantee->EmailAddress)) // AmazonCustomerByEmail
$acp['acl'][] = array(
'type' => 'AmazonCustomerByEmail',
'email' => (string)$grantee->EmailAddress,
'permission' => (string)$grant->Permission
);
elseif (isset($grantee->URI)) // Group
$acp['acl'][] = array(
'type' => 'Group',
'uri' => (string)$grantee->URI,
'permission' => (string)$grant->Permission
);
else continue;
}
}
}
return $acp;
}
/**
* Delete an object
*
* @param string $bucket Bucket name
* @param string $uri Object URI
* @return boolean
*/
public static function deleteObject($bucket, $uri)
{
$rest = new S3Request('DELETE', $bucket, $uri,
self::$endpoint);
$rest = $rest->getResponse();
if ($rest->error === false && $rest->code !== 204)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::deleteObject(): [%s] %s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
}
return true;
}
/**
* Get a query string authenticated URL
*
* @param string $bucket Bucket name
* @param string $uri Object URI
* @param integer $lifetime Lifetime in seconds
* @param boolean $hostBucket Use the bucket name as the hostname
* @param boolean $https Use HTTPS ($hostBucket should be false for SSL
verification)
* @return string
*/
public static function getAuthenticatedURL($bucket, $uri, $lifetime,
$hostBucket = false, $https = false)
{
$expires = self::__getTime() + $lifetime;
$uri = str_replace(array('%2F', '%2B'),
array('/', '+'), rawurlencode($uri));
return sprintf(($https ? 'https' :
'http').'://%s/%s?AWSAccessKeyId=%s&Expires=%u&Signature=%s',
// $hostBucket ? $bucket : $bucket.'.s3.amazonaws.com', $uri,
self::$__accessKey, $expires,
$hostBucket ? $bucket : self::$endpoint.'/'.$bucket, $uri,
self::$__accessKey, $expires,
urlencode(self::__getHash("GET\n\n\n{$expires}\n/{$bucket}/{$uri}")));
}
/**
* Get a CloudFront signed policy URL
*
* @param array $policy Policy
* @return string
*/
public static function getSignedPolicyURL($policy)
{
$data = json_encode($policy);
$signature = '';
if (!openssl_sign($data, $signature, self::$__signingKeyResource)) return
false;
$encoded = str_replace(array('+', '='),
array('-', '_', '~'), base64_encode($data));
$signature = str_replace(array('+', '='),
array('-', '_', '~'),
base64_encode($signature));
$url = $policy['Statement'][0]['Resource'] .
'?';
foreach (array('Policy' => $encoded, 'Signature'
=> $signature, 'Key-Pair-Id' => self::$__signingKeyPairId)
as $k => $v)
$url .= $k.'='.str_replace('%2F', '/',
rawurlencode($v)).'&';
return substr($url, 0, -1);
}
/**
* Get a CloudFront canned policy URL
*
* @param string $url URL to sign
* @param integer $lifetime URL lifetime
* @return string
*/
public static function getSignedCannedURL($url, $lifetime)
{
return self::getSignedPolicyURL(array(
'Statement' => array(
array('Resource' => $url, 'Condition' =>
array(
'DateLessThan' => array('AWS:EpochTime' =>
self::__getTime() + $lifetime)
))
)
));
}
/**
* Get upload POST parameters for form uploads
*
* @param string $bucket Bucket name
* @param string $uriPrefix Object URI prefix
* @param constant $acl ACL constant
* @param integer $lifetime Lifetime in seconds
* @param integer $maxFileSize Maximum filesize in bytes (default 5MB)
* @param string $successRedirect Redirect URL or 200 / 201 status code
* @param array $amzHeaders Array of x-amz-meta-* headers
* @param array $headers Array of request headers or content type as a
string
* @param boolean $flashVars Includes additional "Filename"
variable posted by Flash
* @return object
*/
public static function getHttpUploadPostParams($bucket, $uriPrefix =
'', $acl = self::ACL_PRIVATE, $lifetime = 3600,
$maxFileSize = 5242880, $successRedirect = "201", $amzHeaders =
array(), $headers = array(), $flashVars = false)
{
// Create policy object
$policy = new stdClass;
$policy->expiration = gmdate('Y-m-d\TH:i:s\Z',
(self::__getTime() + $lifetime));
$policy->conditions = array();
$obj = new stdClass; $obj->bucket = $bucket;
array_push($policy->conditions, $obj);
$obj = new stdClass; $obj->acl = $acl;
array_push($policy->conditions, $obj);
$obj = new stdClass; // 200 for non-redirect uploads
if (is_numeric($successRedirect) &&
in_array((int)$successRedirect, array(200, 201)))
$obj->success_action_status = (string)$successRedirect;
else // URL
$obj->success_action_redirect = $successRedirect;
array_push($policy->conditions, $obj);
if ($acl !== self::ACL_PUBLIC_READ)
array_push($policy->conditions, array('eq',
'$acl', $acl));
array_push($policy->conditions, array('starts-with',
'$key', $uriPrefix));
if ($flashVars) array_push($policy->conditions,
array('starts-with', '$Filename', ''));
foreach (array_keys($headers) as $headerKey)
array_push($policy->conditions, array('starts-with',
'$'.$headerKey, ''));
foreach ($amzHeaders as $headerKey => $headerVal)
{
$obj = new stdClass;
$obj->{$headerKey} = (string)$headerVal;
array_push($policy->conditions, $obj);
}
array_push($policy->conditions,
array('content-length-range', 0, $maxFileSize));
$policy = base64_encode(str_replace('\/', '/',
json_encode($policy)));
// Create parameters
$params = new stdClass;
$params->AWSAccessKeyId = self::$__accessKey;
$params->key = $uriPrefix.'${filename}';
$params->acl = $acl;
$params->policy = $policy; unset($policy);
$params->signature = self::__getHash($params->policy);
if (is_numeric($successRedirect) &&
in_array((int)$successRedirect, array(200, 201)))
$params->success_action_status = (string)$successRedirect;
else
$params->success_action_redirect = $successRedirect;
foreach ($headers as $headerKey => $headerVal)
$params->{$headerKey} = (string)$headerVal;
foreach ($amzHeaders as $headerKey => $headerVal)
$params->{$headerKey} = (string)$headerVal;
return $params;
}
/**
* Create a CloudFront distribution
*
* @param string $bucket Bucket name
* @param boolean $enabled Enabled (true/false)
* @param array $cnames Array containing CNAME aliases
* @param string $comment Use the bucket name as the hostname
* @param string $defaultRootObject Default root object
* @param string $originAccessIdentity Origin access identity
* @param array $trustedSigners Array of trusted signers
* @return array | false
*/
public static function createDistribution($bucket, $enabled = true,
$cnames = array(), $comment = null, $defaultRootObject = null,
$originAccessIdentity = null, $trustedSigners = array())
{
if (!extension_loaded('openssl'))
{
self::__triggerError(sprintf("S3::createDistribution({$bucket},
".(int)$enabled.", [], '$comment'): %s",
"CloudFront functionality requires SSL"), __FILE__,
__LINE__);
return false;
}
$useSSL = self::$useSSL;
self::$useSSL = true; // CloudFront requires SSL
$rest = new S3Request('POST', '',
'2010-11-01/distribution', 'cloudfront.amazonaws.com');
$rest->data = self::__getCloudFrontDistributionConfigXML(
$bucket.'.s3.amazonaws.com',
$enabled,
(string)$comment,
(string)microtime(true),
$cnames,
$defaultRootObject,
$originAccessIdentity,
$trustedSigners
);
$rest->size = strlen($rest->data);
$rest->setHeader('Content-Type',
'application/xml');
$rest = self::__getCloudFrontResponse($rest);
self::$useSSL = $useSSL;
if ($rest->error === false && $rest->code !== 201)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::createDistribution({$bucket},
".(int)$enabled.", [], '$comment'): [%s] %s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
} elseif ($rest->body instanceof SimpleXMLElement)
return self::__parseCloudFrontDistributionConfig($rest->body);
return false;
}
/**
* Get CloudFront distribution info
*
* @param string $distributionId Distribution ID from listDistributions()
* @return array | false
*/
public static function getDistribution($distributionId)
{
if (!extension_loaded('openssl'))
{
self::__triggerError(sprintf("S3::getDistribution($distributionId):
%s",
"CloudFront functionality requires SSL"), __FILE__,
__LINE__);
return false;
}
$useSSL = self::$useSSL;
self::$useSSL = true; // CloudFront requires SSL
$rest = new S3Request('GET', '',
'2010-11-01/distribution/'.$distributionId,
'cloudfront.amazonaws.com');
$rest = self::__getCloudFrontResponse($rest);
self::$useSSL = $useSSL;
if ($rest->error === false && $rest->code !== 200)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::getDistribution($distributionId):
[%s] %s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
}
elseif ($rest->body instanceof SimpleXMLElement)
{
$dist = self::__parseCloudFrontDistributionConfig($rest->body);
$dist['hash'] = $rest->headers['hash'];
$dist['id'] = $distributionId;
return $dist;
}
return false;
}
/**
* Update a CloudFront distribution
*
* @param array $dist Distribution array info identical to output of
getDistribution()
* @return array | false
*/
public static function updateDistribution($dist)
{
if (!extension_loaded('openssl'))
{
self::__triggerError(sprintf("S3::updateDistribution({$dist['id']}):
%s",
"CloudFront functionality requires SSL"), __FILE__,
__LINE__);
return false;
}
$useSSL = self::$useSSL;
self::$useSSL = true; // CloudFront requires SSL
$rest = new S3Request('PUT', '',
'2010-11-01/distribution/'.$dist['id'].'/config',
'cloudfront.amazonaws.com');
$rest->data = self::__getCloudFrontDistributionConfigXML(
$dist['origin'],
$dist['enabled'],
$dist['comment'],
$dist['callerReference'],
$dist['cnames'],
$dist['defaultRootObject'],
$dist['originAccessIdentity'],
$dist['trustedSigners']
);
$rest->size = strlen($rest->data);
$rest->setHeader('If-Match', $dist['hash']);
$rest = self::__getCloudFrontResponse($rest);
self::$useSSL = $useSSL;
if ($rest->error === false && $rest->code !== 200)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::updateDistribution({$dist['id']}):
[%s] %s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
} else {
$dist = self::__parseCloudFrontDistributionConfig($rest->body);
$dist['hash'] = $rest->headers['hash'];
return $dist;
}
return false;
}
/**
* Delete a CloudFront distribution
*
* @param array $dist Distribution array info identical to output of
getDistribution()
* @return boolean
*/
public static function deleteDistribution($dist)
{
if (!extension_loaded('openssl'))
{
self::__triggerError(sprintf("S3::deleteDistribution({$dist['id']}):
%s",
"CloudFront functionality requires SSL"), __FILE__,
__LINE__);
return false;
}
$useSSL = self::$useSSL;
self::$useSSL = true; // CloudFront requires SSL
$rest = new S3Request('DELETE', '',
'2008-06-30/distribution/'.$dist['id'],
'cloudfront.amazonaws.com');
$rest->setHeader('If-Match', $dist['hash']);
$rest = self::__getCloudFrontResponse($rest);
self::$useSSL = $useSSL;
if ($rest->error === false && $rest->code !== 204)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::deleteDistribution({$dist['id']}):
[%s] %s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
}
return true;
}
/**
* Get a list of CloudFront distributions
*
* @return array
*/
public static function listDistributions()
{
if (!extension_loaded('openssl'))
{
self::__triggerError(sprintf("S3::listDistributions(): [%s]
%s",
"CloudFront functionality requires SSL"), __FILE__,
__LINE__);
return false;
}
$useSSL = self::$useSSL;
self::$useSSL = true; // CloudFront requires SSL
$rest = new S3Request('GET', '',
'2010-11-01/distribution', 'cloudfront.amazonaws.com');
$rest = self::__getCloudFrontResponse($rest);
self::$useSSL = $useSSL;
if ($rest->error === false && $rest->code !== 200)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
self::__triggerError(sprintf("S3::listDistributions(): [%s]
%s",
$rest->error['code'],
$rest->error['message']), __FILE__, __LINE__);
return false;
}
elseif ($rest->body instanceof SimpleXMLElement &&
isset($rest->body->DistributionSummary))
{
$list = array();
if (isset($rest->body->Marker, $rest->body->MaxItems,
$rest->body->IsTruncated))
{
//$info['marker'] = (string)$rest->body->Marker;
//$info['maxItems'] = (int)$rest->body->MaxItems;
//$info['isTruncated'] =
(string)$rest->body->IsTruncated == 'true' ? true : false;
}
foreach ($rest->body->DistributionSummary as $summary)
$list[(string)$summary->Id] =
self::__parseCloudFrontDistributionConfig($summary);
return $list;
}
return array();
}
/**
* List CloudFront Origin Access Identities
*
* @return array
*/
public static function listOriginAccessIdentities()
{
if (!extension_loaded('openssl'))
{
self::__triggerError(sprintf("S3::listOriginAccessIdentities():
[%s] %s",
"CloudFront functionality requires SSL"), __FILE__,
__LINE__);
return false;
}
self::$useSSL = true; // CloudFront requires SSL
$rest = new S3Request('GET', '',
'2010-11-01/origin-access-identity/cloudfront',
'cloudfront.amazonaws.com');
$rest = self::__getCloudFrontResponse($rest);
$useSSL = self::$useSSL;
if ($rest->error === false && $rest->code !== 200)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
trigger_error(sprintf("S3::listOriginAccessIdentities(): [%s]
%s",
$rest->error['code'],
$rest->error['message']), E_USER_WARNING);
return false;
}
if (isset($rest->body->CloudFrontOriginAccessIdentitySummary))
{
$identities = array();
foreach ($rest->body->CloudFrontOriginAccessIdentitySummary as
$identity)
if (isset($identity->S3CanonicalUserId))
$identities[(string)$identity->Id] = array('id' =>
(string)$identity->Id, 's3CanonicalUserId' =>
(string)$identity->S3CanonicalUserId);
return $identities;
}
return false;
}
/**
* Invalidate objects in a CloudFront distribution
*
* Thanks to Martin Lindkvist for S3::invalidateDistribution()
*
* @param string $distributionId Distribution ID from listDistributions()
* @param array $paths Array of object paths to invalidate
* @return boolean
*/
public static function invalidateDistribution($distributionId, $paths)
{
if (!extension_loaded('openssl'))
{
self::__triggerError(sprintf("S3::invalidateDistribution(): [%s]
%s",
"CloudFront functionality requires SSL"), __FILE__,
__LINE__);
return false;
}
$useSSL = self::$useSSL;
self::$useSSL = true; // CloudFront requires SSL
$rest = new S3Request('POST', '',
'2010-08-01/distribution/'.$distributionId.'/invalidation',
'cloudfront.amazonaws.com');
$rest->data = self::__getCloudFrontInvalidationBatchXML($paths,
(string)microtime(true));
$rest->size = strlen($rest->data);
$rest = self::__getCloudFrontResponse($rest);
self::$useSSL = $useSSL;
if ($rest->error === false && $rest->code !== 201)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
trigger_error(sprintf("S3::invalidate('{$distributionId}',{$paths}):
[%s] %s",
$rest->error['code'],
$rest->error['message']), E_USER_WARNING);
return false;
}
return true;
}
/**
* Get a InvalidationBatch DOMDocument
*
* @internal Used to create XML in invalidateDistribution()
* @param array $paths Paths to objects to invalidateDistribution
* @param int $callerReference
* @return string
*/
private static function __getCloudFrontInvalidationBatchXML($paths,
$callerReference = '0')
{
$dom = new DOMDocument('1.0', 'UTF-8');
$dom->formatOutput = true;
$invalidationBatch =
$dom->createElement('InvalidationBatch');
foreach ($paths as $path)
$invalidationBatch->appendChild($dom->createElement('Path',
$path));
$invalidationBatch->appendChild($dom->createElement('CallerReference',
$callerReference));
$dom->appendChild($invalidationBatch);
return $dom->saveXML();
}
/**
* List your invalidation batches for invalidateDistribution() in a
CloudFront distribution
*
*
http://docs.amazonwebservices.com/AmazonCloudFront/latest/APIReference/ListInvalidation.html
* returned array looks like this:
* Array
* (
* [I31TWB0CN9V6XD] => InProgress
* [IT3TFE31M0IHZ] => Completed
* [I12HK7MPO1UQDA] => Completed
* [I1IA7R6JKTC3L2] => Completed
* )
*
* @param string $distributionId Distribution ID from listDistributions()
* @return array
*/
public static function getDistributionInvalidationList($distributionId)
{
if (!extension_loaded('openssl'))
{
self::__triggerError(sprintf("S3::getDistributionInvalidationList():
[%s] %s",
"CloudFront functionality requires SSL"), __FILE__,
__LINE__);
return false;
}
$useSSL = self::$useSSL;
self::$useSSL = true; // CloudFront requires SSL
$rest = new S3Request('GET', '',
'2010-11-01/distribution/'.$distributionId.'/invalidation',
'cloudfront.amazonaws.com');
$rest = self::__getCloudFrontResponse($rest);
self::$useSSL = $useSSL;
if ($rest->error === false && $rest->code !== 200)
$rest->error = array('code' => $rest->code,
'message' => 'Unexpected HTTP status');
if ($rest->error !== false)
{
trigger_error(sprintf("S3::getDistributionInvalidationList('{$distributionId}'):
[%s]",
$rest->error['code'],
$rest->error['message']), E_USER_WARNING);
return false;
}
elseif ($rest->body instanceof SimpleXMLElement &&
isset($rest->body->InvalidationSummary))
{
$list = array();
foreach ($rest->body->InvalidationSummary as $summary)
$list[(string)$summary->Id] = (string)$summary->Status;
return $list;
}
return array();
}
/**
* Get a DistributionConfig DOMDocument
*
*
http://docs.amazonwebservices.com/AmazonCloudFront/latest/APIReference/index.html?PutConfig.html
*
* @internal Used to create XML in createDistribution() and
updateDistribution()
* @param string $bucket S3 Origin bucket
* @param boolean $enabled Enabled (true/false)
* @param string $comment Comment to append
* @param string $callerReference Caller reference
* @param array $cnames Array of CNAME aliases
* @param string $defaultRootObject Default root object
* @param string $originAccessIdentity Origin access identity
* @param array $trustedSigners Array of trusted signers
* @return string
*/
private static function __getCloudFrontDistributionConfigXML($bucket,
$enabled, $comment, $callerReference = '0', $cnames = array(),
$defaultRootObject = null, $originAccessIdentity = null, $trustedSigners =
array())
{
$dom = new DOMDocument('1.0', 'UTF-8');
$dom->formatOutput = true;
$distributionConfig =
$dom->createElement('DistributionConfig');
$distributionConfig->setAttribute('xmlns',
'http://cloudfront.amazonaws.com/doc/2010-11-01/');
$origin = $dom->createElement('S3Origin');
$origin->appendChild($dom->createElement('DNSName',
$bucket));
if ($originAccessIdentity !== null)
$origin->appendChild($dom->createElement('OriginAccessIdentity',
$originAccessIdentity));
$distributionConfig->appendChild($origin);
if ($defaultRootObject !== null)
$distributionConfig->appendChild($dom->createElement('DefaultRootObject',
$defaultRootObject));
$distributionConfig->appendChild($dom->createElement('CallerReference',
$callerReference));
foreach ($cnames as $cname)
$distributionConfig->appendChild($dom->createElement('CNAME',
$cname));
if ($comment !== '')
$distributionConfig->appendChild($dom->createElement('Comment',
$comment));
$distributionConfig->appendChild($dom->createElement('Enabled',
$enabled ? 'true' : 'false'));
$trusted = $dom->createElement('TrustedSigners');
foreach ($trustedSigners as $id => $type)
$trusted->appendChild($id !== '' ?
$dom->createElement($type, $id) : $dom->createElement($type));
$distributionConfig->appendChild($trusted);
$dom->appendChild($distributionConfig);
//var_dump($dom->saveXML());
return $dom->saveXML();
}
/**
* Parse a CloudFront distribution config
*
* See
http://docs.amazonwebservices.com/AmazonCloudFront/latest/APIReference/index.html?GetDistribution.html
*
* @internal Used to parse the CloudFront DistributionConfig node to an
array
* @param object &$node DOMNode
* @return array
*/
private static function __parseCloudFrontDistributionConfig(&$node)
{
if (isset($node->DistributionConfig))
return
self::__parseCloudFrontDistributionConfig($node->DistributionConfig);
$dist = array();
if (isset($node->Id, $node->Status, $node->LastModifiedTime,
$node->DomainName))
{
$dist['id'] = (string)$node->Id;
$dist['status'] = (string)$node->Status;
$dist['time'] = strtotime((string)$node->LastModifiedTime);
$dist['domain'] = (string)$node->DomainName;
}
if (isset($node->CallerReference))
$dist['callerReference'] = (string)$node->CallerReference;
if (isset($node->Enabled))
$dist['enabled'] = (string)$node->Enabled ==
'true' ? true : false;
if (isset($node->S3Origin))
{
if (isset($node->S3Origin->DNSName))
$dist['origin'] = (string)$node->S3Origin->DNSName;
$dist['originAccessIdentity'] =
isset($node->S3Origin->OriginAccessIdentity) ?
(string)$node->S3Origin->OriginAccessIdentity : null;
}
$dist['defaultRootObject'] = isset($node->DefaultRootObject)
? (string)$node->DefaultRootObject : null;
$dist['cnames'] = array();
if (isset($node->CNAME))
foreach ($node->CNAME as $cname)
$dist['cnames'][(string)$cname] = (string)$cname;
$dist['trustedSigners'] = array();
if (isset($node->TrustedSigners))
foreach ($node->TrustedSigners as $signer)
{
if (isset($signer->Self))
$dist['trustedSigners'][''] = 'Self';
elseif (isset($signer->KeyPairId))
$dist['trustedSigners'][(string)$signer->KeyPairId] =
'KeyPairId';
elseif (isset($signer->AwsAccountNumber))
$dist['trustedSigners'][(string)$signer->AwsAccountNumber]
= 'AwsAccountNumber';
}
$dist['comment'] = isset($node->Comment) ?
(string)$node->Comment : null;
return $dist;
}
/**
* Grab CloudFront response
*
* @internal Used to parse the CloudFront S3Request::getResponse() output
* @param object &$rest S3Request instance
* @return object
*/
private static function __getCloudFrontResponse(&$rest)
{
$rest->getResponse();
if ($rest->response->error === false &&
isset($rest->response->body) &&
is_string($rest->response->body) &&
substr($rest->response->body, 0, 5) == '<?xml')
{
$rest->response->body =
simplexml_load_string($rest->response->body);
// Grab CloudFront errors
if (isset($rest->response->body->Error,
$rest->response->body->Error->Code,
$rest->response->body->Error->Message))
{
$rest->response->error = array(
'code' =>
(string)$rest->response->body->Error->Code,
'message' =>
(string)$rest->response->body->Error->Message
);
unset($rest->response->body);
}
}
return $rest->response;
}
/**
* Get MIME type for file
*
* To override the putObject() Content-Type, add it to $requestHeaders
*
* To use fileinfo, ensure the MAGIC environment variable is set
*
* @internal Used to get mime types
* @param string &$file File path
* @return string
*/
private static function __getMIMEType(&$file)
{
static $exts = array(
'jpg' => 'image/jpeg', 'jpeg' =>
'image/jpeg', 'gif' => 'image/gif',
'png' => 'image/png', 'ico' =>
'image/x-icon', 'pdf' =>
'application/pdf',
'tif' => 'image/tiff', 'tiff' =>
'image/tiff', 'svg' => 'image/svg+xml',
'svgz' => 'image/svg+xml', 'swf' =>
'application/x-shockwave-flash',
'zip' => 'application/zip', 'gz' =>
'application/x-gzip',
'tar' => 'application/x-tar', 'bz'
=> 'application/x-bzip',
'bz2' => 'application/x-bzip2', 'rar'
=> 'application/x-rar-compressed',
'exe' => 'application/x-msdownload',
'msi' => 'application/x-msdownload',
'cab' => 'application/vnd.ms-cab-compressed',
'txt' => 'text/plain',
'asc' => 'text/plain', 'htm' =>
'text/html', 'html' => 'text/html',
'css' => 'text/css', 'js' =>
'text/javascript',
'xml' => 'text/xml', 'xsl' =>
'application/xsl+xml',
'ogg' => 'application/ogg', 'mp3' =>
'audio/mpeg', 'wav' => 'audio/x-wav',
'avi' => 'video/x-msvideo', 'mpg' =>
'video/mpeg', 'mpeg' => 'video/mpeg',
'mov' => 'video/quicktime', 'flv' =>
'video/x-flv', 'php' => 'text/x-php'
);
$ext = strtolower(pathinfo($file, PATHINFO_EXTENSION));
if (isset($exts[$ext])) return $exts[$ext];
// Use fileinfo if available
if (extension_loaded('fileinfo') &&
isset($_ENV['MAGIC']) &&
($finfo = finfo_open(FILEINFO_MIME, $_ENV['MAGIC'])) !==
false)
{
if (($type = finfo_file($finfo, $file)) !== false)
{
// Remove the charset and grab the last content-type
$type = explode(' ', str_replace('; charset=',
';charset=', $type));
$type = array_pop($type);
$type = explode(';', $type);
$type = trim(array_shift($type));
}
finfo_close($finfo);
if ($type !== false && strlen($type) > 0) return $type;
}
return 'application/octet-stream';
}
/**
* Get the current time
*
* @internal Used to apply offsets to sytem time
* @return integer
*/
public static function __getTime()
{
return time() + self::$__timeOffset;
}
/**
* Generate the auth string: "AWS AccessKey:Signature"
*
* @internal Used by S3Request::getResponse()
* @param string $string String to sign
* @return string
*/
public static function __getSignature($string)
{
return 'AWS
'.self::$__accessKey.':'.self::__getHash($string);
}
/**
* Creates a HMAC-SHA1 hash
*
* This uses the hash extension if loaded
*
* @internal Used by __getSignature()
* @param string $string String to sign
* @return string
*/
private static function __getHash($string)
{
return base64_encode(extension_loaded('hash') ?
hash_hmac('sha1', $string, self::$__secretKey, true) :
pack('H*', sha1(
(str_pad(self::$__secretKey, 64, chr(0x00)) ^ (str_repeat(chr(0x5c),
64))) .
pack('H*', sha1((str_pad(self::$__secretKey, 64, chr(0x00)) ^
(str_repeat(chr(0x36), 64))) . $string)))));
}
/**
* Generate the headers for AWS Signature V4
* @internal Used by S3Request::getResponse()
* @param array $aheaders amzHeaders
* @param array $headers
* @param string $method
* @param string $uri
* @param string $data
* @return array $headers
*/
public static function __getSignatureV4($aHeaders, $headers,
$method='GET', $uri='', $data = '')
{
$service = 's3';
$region = S3::getRegion();
$algorithm = 'AWS4-HMAC-SHA256';
$amzHeaders = array();
$amzRequests = array();
$amzDate = gmdate( 'Ymd\THis\Z' );
$amzDateStamp = gmdate( 'Ymd' );
// amz-date ISO8601 format ? for aws request
$amzHeaders['x-amz-date'] = $amzDate;
// CanonicalHeaders
foreach ( $headers as $k => $v ) {
$amzHeaders[ strtolower( $k ) ] = trim( $v );
}
foreach ( $aHeaders as $k => $v ) {
$amzHeaders[ strtolower( $k ) ] = trim( $v );
}
uksort( $amzHeaders, 'strcmp' );
// payload
$payloadHash = isset($amzHeaders['x-amz-content-sha256']) ?
$amzHeaders['x-amz-content-sha256'] : hash('sha256',
$data);
// parameters
$parameters = array();
if (strpos($uri, '?')) {
list ($uri, $query_str) = @explode("?", $uri);
parse_str($query_str, $parameters);
}
// CanonicalRequests
$amzRequests[] = $method;
$amzRequests[] = $uri;
$amzRequests[] = http_build_query($parameters);
// add header as string to requests
foreach ( $amzHeaders as $k => $v ) {
$amzRequests[] = $k . ':' . $v;
}
// add a blank entry so we end up with an extra line break
$amzRequests[] = '';
// SignedHeaders
$amzRequests[] = implode( ';', array_keys( $amzHeaders ) );
// payload hash
$amzRequests[] = $payloadHash;
// request as string
$amzRequestStr = implode("\n", $amzRequests);
// CredentialScope
$credentialScope = array();
$credentialScope[] = $amzDateStamp;
$credentialScope[] = $region;
$credentialScope[] = $service;
$credentialScope[] = 'aws4_request';
// stringToSign
$stringToSign = array();
$stringToSign[] = $algorithm;
$stringToSign[] = $amzDate;
$stringToSign[] = implode('/', $credentialScope);
$stringToSign[] = hash('sha256', $amzRequestStr);
// as string
$stringToSignStr = implode("\n", $stringToSign);
// Make Signature
$kSecret = 'AWS4' . self::$__secretKey;
$kDate = hash_hmac( 'sha256', $amzDateStamp, $kSecret, true );
$kRegion = hash_hmac( 'sha256', $region, $kDate, true );
$kService = hash_hmac( 'sha256', $service, $kRegion, true );
$kSigning = hash_hmac( 'sha256', 'aws4_request',
$kService, true );
$signature = hash_hmac( 'sha256', $stringToSignStr, $kSigning
);
$authorization = array(
'Credential=' . self::$__accessKey . '/' . implode(
'/', $credentialScope ),
'SignedHeaders=' . implode( ';', array_keys(
$amzHeaders ) ),
'Signature=' . $signature,
);
$authorizationStr = $algorithm . ' ' . implode( ',',
$authorization );
$resultHeaders = array(
'X-AMZ-DATE' => $amzDate,
'Authorization' => $authorizationStr
);
if (!isset($aHeaders['x-amz-content-sha256']))
$resultHeaders['x-amz-content-sha256'] = $payloadHash;
return $resultHeaders;
}
}
/**
* S3 Request class
*
* @link http://undesigned.org.za/2007/10/22/amazon-s3-php-class
* @version 0.5.0-dev
*/
final class S3Request
{
/**
* AWS URI
*
* @var string
* @access private
*/
private $endpoint;
/**
* Verb
*
* @var string
* @access private
*/
private $verb;
/**
* S3 bucket name
*
* @var string
* @access private
*/
private $bucket;
/**
* Object URI
*
* @var string
* @access private
*/
private $uri;
/**
* Final object URI
*
* @var string
* @access private
*/
private $resource = '';
/**
* Additional request parameters
*
* @var array
* @access private
*/
private $parameters = array();
/**
* Amazon specific request headers
*
* @var array
* @access private
*/
private $amzHeaders = array();
/**
* HTTP request headers
*
* @var array
* @access private
*/
private $headers = array(
'Host' => '', 'Date' => '',
'Content-MD5' => '', 'Content-Type' =>
''
);
/**
* Use HTTP PUT?
*
* @var bool
* @access public
*/
public $fp = false;
/**
* PUT file size
*
* @var int
* @access public
*/
public $size = 0;
/**
* PUT post fields
*
* @var array
* @access public
*/
public $data = false;
/**
* S3 request respone
*
* @var object
* @access public
*/
public $response;
/**
* Constructor
*
* @param string $verb Verb
* @param string $bucket Bucket name
* @param string $uri Object URI
* @param string $endpoint AWS endpoint URI
* @return mixed
*/
function __construct($verb, $bucket = '', $uri = '',
$endpoint = 's3.amazonaws.com')
{
$this->endpoint = $endpoint;
$this->verb = $verb;
$this->bucket = $bucket;
$this->uri = $uri !== '' ?
'/'.str_replace('%2F', '/',
rawurlencode($uri)) : '/';
//if ($this->bucket !== '')
// $this->resource = '/'.$this->bucket.$this->uri;
//else
// $this->resource = $this->uri;
if ($this->bucket !== '')
{
if ($this->__dnsBucketName($this->bucket))
{
$this->headers['Host'] =
$this->bucket.'.'.$this->endpoint;
$this->resource = '/'.$this->bucket.$this->uri;
}
else
{
$this->headers['Host'] = $this->endpoint;
$this->uri = $this->uri;
if ($this->bucket !== '') $this->uri =
'/'.$this->bucket.$this->uri;
$this->bucket = '';
$this->resource = $this->uri;
}
}
else
{
$this->headers['Host'] = $this->endpoint;
$this->resource = $this->uri;
}
$this->headers['Date'] = gmdate('D, d M Y H:i:s
T');
$this->response = new STDClass;
$this->response->error = false;
$this->response->body = null;
$this->response->headers = array();
}
/**
* Set request parameter
*
* @param string $key Key
* @param string $value Value
* @return void
*/
public function setParameter($key, $value)
{
$this->parameters[$key] = $value;
}
/**
* Set request header
*
* @param string $key Key
* @param string $value Value
* @return void
*/
public function setHeader($key, $value)
{
$this->headers[$key] = $value;
}
/**
* Set x-amz-meta-* header
*
* @param string $key Key
* @param string $value Value
* @return void
*/
public function setAmzHeader($key, $value)
{
$this->amzHeaders[$key] = $value;
}
/**
* 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;
}
$url = (S3::$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');
if (S3::$useSSL)
{
// Set protocol version
curl_setopt($curl, CURLOPT_SSLVERSION, S3::$useSSLVersion);
// SSL Validation can now be optional for those with broken OpenSSL
installations
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, S3::$useSSLValidation ? 2 :
0);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, S3::$useSSLValidation ? 1 :
0);
if (S3::$sslKey !== null) curl_setopt($curl, CURLOPT_SSLKEY,
S3::$sslKey);
if (S3::$sslCert !== null) curl_setopt($curl, CURLOPT_SSLCERT,
S3::$sslCert);
if (S3::$sslCACert !== null) curl_setopt($curl, CURLOPT_CAINFO,
S3::$sslCACert);
}
curl_setopt($curl, CURLOPT_URL, $url);
if (S3::$proxy != null && isset(S3::$proxy['host']))
{
curl_setopt($curl, CURLOPT_PROXY, S3::$proxy['host']);
curl_setopt($curl, CURLOPT_PROXYTYPE, S3::$proxy['type']);
if (isset(S3::$proxy['user'], S3::$proxy['pass'])
&& S3::$proxy['user'] != null &&
S3::$proxy['pass'] != null)
curl_setopt($curl, CURLOPT_PROXYUSERPWD, sprintf('%s:%s',
S3::$proxy['user'], S3::$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($amz);
usort($amz, array(&$this, '__sortMetaHeadersCmp'));
$amz = "\n".implode("\n", $amz);
} else $amz = '';
if (S3::hasAuth())
{
// Authorization string (CloudFront stringToSign should only contain a
date)
if ($this->headers['Host'] ==
'cloudfront.amazonaws.com')
$headers[] = 'Authorization: ' .
S3::__getSignature($this->headers['Date']);
else
{
if (S3::$signVer == 'v2')
{
$headers[] = 'Authorization: ' . S3::__getSignature(
$this->verb."\n".
$this->headers['Content-MD5']."\n".
$this->headers['Content-Type']."\n".
$this->headers['Date'].$amz."\n".
$this->resource
);
} else {
$amzHeaders = S3::__getSignatureV4(
$this->amzHeaders,
$this->headers,
$this->verb,
$this->uri,
$this->data
);
foreach ($amzHeaders as $k => $v) {
$headers[] = $k .': '. $v;
}
}
}
}
curl_setopt($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;
}
/**
* Sort compare for meta headers
*
* @internal Used to sort x-amz meta headers
* @param string $a String A
* @param string $b String B
* @return integer
*/
private function __sortMetaHeadersCmp($a, $b)
{
$lenA = strpos($a, ':');
$lenB = strpos($b, ':');
$minLen = min($lenA, $lenB);
$ncmp = strncmp($a, $b, $minLen);
if ($lenA == $lenB) return $ncmp;
if (0 == $ncmp) return $lenA < $lenB ? -1 : 1;
return $ncmp;
}
/**
* CURL write callback
*
* @param resource &$curl CURL resource
* @param string &$data Data
* @return integer
*/
private function __responseWriteCallback(&$curl, &$data)
{
if (in_array($this->response->code, array(200, 206)) &&
$this->fp !== false)
return fwrite($this->fp, $data);
else
$this->response->body .= $data;
return strlen($data);
}
/**
* Check DNS conformity
*
* @param string $bucket Bucket name
* @return boolean
*/
private function __dnsBucketName($bucket)
{
if (strlen($bucket) > 63 || preg_match("/[^a-z0-9\.-]/",
$bucket) > 0) return false;
if (S3::$useSSL && strstr($bucket, '.') !== false)
return false;
if (strstr($bucket, '-.') !== false) return false;
if (strstr($bucket, '..') !== false) return false;
if (!preg_match("/^[0-9a-z]/", $bucket)) return false;
if (!preg_match("/[0-9a-z]$/", $bucket)) return false;
return true;
}
/**
* CURL header callback
*
* @param resource $curl CURL resource
* @param string $data Data
* @return integer
*/
private function __responseHeaderCallback($curl, $data)
{
if (($strlen = strlen($data)) <= 2) return $strlen;
if (substr($data, 0, 4) == 'HTTP')
$this->response->code = (int)substr($data, 9, 3);
else
{
$data = trim($data);
if (strpos($data, ': ') === false) return $strlen;
list($header, $value) = explode(': ', $data, 2);
if ($header == 'Last-Modified')
$this->response->headers['time'] = strtotime($value);
elseif ($header == 'Date')
$this->response->headers['date'] = strtotime($value);
elseif ($header == 'Content-Length')
$this->response->headers['size'] = (int)$value;
elseif ($header == 'Content-Type')
$this->response->headers['type'] = $value;
elseif ($header == 'ETag')
$this->response->headers['hash'] = $value{0} ==
'"' ? substr($value, 1, -1) : $value;
elseif (preg_match('/^x-amz-meta-.*$/', $header))
$this->response->headers[$header] = $value;
}
return $strlen;
}
}
/**
* S3 exception class
*
* @link http://undesigned.org.za/2007/10/22/amazon-s3-php-class
* @version 0.5.0-dev
*/
class S3Exception extends Exception {
/**
* Class constructor
*
* @param string $message Exception message
* @param string $file File in which exception was created
* @param string $line Line number on which exception was created
* @param int $code Exception code
*/
function __construct($message, $file, $line, $code = 0)
{
parent::__construct($message, $code);
$this->file = $file;
$this->line = $line;
}
}