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+<?php
+/**
+* $Id$
+*
+* Copyright (c) 2008, 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 0.4.0
+*/
+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';
+
+ public static $useSSL = true;
+
+ private static $__accessKey; // AWS Access key
+ private static $__secretKey; // AWS Secret key
+
+
+ /**
+ * Constructor - if you're not using the class statically
+ *
+ * @param string $accessKey Access key
+ * @param string $secretKey Secret key
+ * @param boolean $useSSL Enable SSL
+ * @return void
+ */
+ public function __construct($accessKey = null, $secretKey = null, $useSSL = true) {
+ if ($accessKey !== null && $secretKey !== null)
+ self::setAuth($accessKey, $secretKey);
+ self::$useSSL = $useSSL;
+ }
+
+
+ /**
+ * 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;
+ }
+
+
+ /**
+ * 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', '', '');
+ $rest = $rest->getResponse();
+ if ($rest->error === false && $rest->code !== 200)
+ $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
+ if ($rest->error !== false) {
+ trigger_error(sprintf("S3::listBuckets(): [%s] %s", $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ 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;
+ }
+
+
+ /*
+ * 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', $bucket, '');
+ if ($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);
+ $response = $rest->getResponse();
+ if ($response->error === false && $response->code !== 200)
+ $response->error = array('code' => $response->code, 'message' => 'Unexpected HTTP status');
+ if ($response->error !== false) {
+ trigger_error(sprintf("S3::getBucket(): [%s] %s", $response->error['code'], $response->error['message']), E_USER_WARNING);
+ 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', $bucket, '');
+ if ($prefix !== null && $prefix !== '') $rest->setParameter('prefix', $prefix);
+ $rest->setParameter('marker', $nextMarker);
+ if ($delimiter !== null && $delimiter !== '') $rest->setParameter('delimiter', $delimiter);
+
+ if (($response = $rest->getResponse(true)) == 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, '');
+ $rest->setAmzHeader('x-amz-acl', $acl);
+
+ if ($location !== false) {
+ $dom = new DOMDocument;
+ $createBucketConfiguration = $dom->createElement('CreateBucketConfiguration');
+ $locationConstraint = $dom->createElement('LocationConstraint', strtoupper($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) {
+ trigger_error(sprintf("S3::putBucket({$bucket}, {$acl}, {$location}): [%s] %s",
+ $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ 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);
+ $rest = $rest->getResponse();
+ if ($rest->error === false && $rest->code !== 204)
+ $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
+ if ($rest->error !== false) {
+ trigger_error(sprintf("S3::deleteBucket({$bucket}): [%s] %s",
+ $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ 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)) {
+ trigger_error('S3::inputFile(): Unable to open input file: '.$file, E_USER_WARNING);
+ return false;
+ }
+ return array('file' => $file, 'size' => filesize($file),
+ 'md5sum' => $md5sum !== false ? (is_string($md5sum) ? $md5sum :
+ base64_encode(md5_file($file, true))) : '');
+ }
+
+
+ /**
+ * 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, $md5sum = '') {
+ if (!is_resource($resource) || $bufferSize < 0) {
+ trigger_error('S3::inputResource(): Invalid resource or buffer size', E_USER_WARNING);
+ return false;
+ }
+ $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 $requestHeaders Array of request headers or content type as a string
+ * @return boolean
+ */
+ public static function putObject($input, $bucket, $uri, $acl = self::ACL_PRIVATE, $metaHeaders = array(), $requestHeaders = array()) {
+ if ($input === false) return false;
+ $rest = new S3Request('PUT', $bucket, $uri);
+
+ if (is_string($input)) $input = array(
+ 'data' => $input, 'size' => strlen($input),
+ 'md5sum' => base64_encode(md5($input, true))
+ );
+
+ // Data
+ if (isset($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']))
+ $rest->size = filesize($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) $rest->setHeader($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
+ $input['type'] = 'application/octet-stream';
+ }
+
+ // We need to post with Content-Length and Content-Type, MD5 is optional
+ if ($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']);
+
+ $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) {
+ trigger_error(sprintf("S3::putObject(): [%s] %s", $rest->response->error['code'], $rest->response->error['message']), E_USER_WARNING);
+ 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, $uri);
+ if ($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) {
+ trigger_error(sprintf("S3::getObject({$bucket}, {$uri}): [%s] %s",
+ $rest->response->error['code'], $rest->response->error['message']), E_USER_WARNING);
+ 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);
+ $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) {
+ trigger_error(sprintf("S3::getObjectInfo({$bucket}, {$uri}): [%s] %s",
+ $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ return false;
+ }
+ return $rest->code == 200 ? $returnInfo ? $rest->headers : true : false;
+ }
+
+
+ /**
+ * Copy an object
+ *
+ * @param string $bucket Source bucket name
+ * @param string $uri 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 $requestHeaders Optional array of request headers (content type, disposition, etc.)
+ * @return mixed | false
+ */
+ public static function copyObject($srcBucket, $srcUri, $bucket, $uri, $acl = self::ACL_PRIVATE, $metaHeaders = array(), $requestHeaders = array()) {
+ $rest = new S3Request('PUT', $bucket, $uri);
+ $rest->setHeader('Content-Length', 0);
+ foreach ($requestHeaders as $h => $v) $rest->setHeader($h, $v);
+ foreach ($metaHeaders as $h => $v) $rest->setAmzHeader('x-amz-meta-'.$h, $v);
+ $rest->setAmzHeader('x-amz-acl', $acl);
+ $rest->setAmzHeader('x-amz-copy-source', sprintf('/%s/%s', $srcBucket, $srcUri));
+ if (sizeof($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) {
+ trigger_error(sprintf("S3::copyObject({$srcBucket}, {$srcUri}, {$bucket}, {$uri}): [%s] %s",
+ $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ return false;
+ }
+ return isset($rest->body->LastModified, $rest->body->ETag) ? array(
+ 'time' => strtotime((string)$rest->body->LastModified),
+ 'hash' => substr((string)$rest->body->ETag, 1, -1)
+ ) : false;
+ }
+
+
+ /**
+ * Set 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, '');
+ $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) {
+ trigger_error(sprintf("S3::setBucketLogging({$bucket}, {$uri}): [%s] %s",
+ $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ 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, '');
+ $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) {
+ trigger_error(sprintf("S3::getBucketLogging({$bucket}): [%s] %s",
+ $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ return false;
+ }
+ if (!isset($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, '');
+ $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) {
+ trigger_error(sprintf("S3::getBucketLocation({$bucket}): [%s] %s",
+ $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ return false;
+ }
+ return (isset($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);
+ $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) {
+ trigger_error(sprintf("S3::setAccessControlPolicy({$bucket}, {$uri}): [%s] %s",
+ $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ 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);
+ $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) {
+ trigger_error(sprintf("S3::getAccessControlPolicy({$bucket}, {$uri}): [%s] %s",
+ $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ 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);
+ $rest = $rest->getResponse();
+ if ($rest->error === false && $rest->code !== 204)
+ $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
+ if ($rest->error !== false) {
+ trigger_error(sprintf("S3::deleteObject(): [%s] %s",
+ $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ 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 = time() + $lifetime;
+ $uri = str_replace('%2F', '/', rawurlencode($uri)); // URI should be encoded (thanks Sean O'Dea)
+ return sprintf(($https ? 'https' : 'http').'://%s/%s?AWSAccessKeyId=%s&Expires=%u&Signature=%s',
+ $hostBucket ? $bucket : $bucket.'.s3.amazonaws.com', $uri, self::$__accessKey, $expires,
+ urlencode(self::__getHash("GET\n\n\n{$expires}\n/{$bucket}/{$uri}")));
+ }
+
+ /**
+ * 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', (time() + $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, $obj);
+
+ array_push($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 $comment Use the bucket name as the hostname
+ * @return array | false
+ */
+ public static function createDistribution($bucket, $enabled = true, $cnames = array(), $comment = '') {
+ self::$useSSL = true; // CloudFront requires SSL
+ $rest = new S3Request('POST', '', '2008-06-30/distribution', 'cloudfront.amazonaws.com');
+ $rest->data = self::__getCloudFrontDistributionConfigXML($bucket.'.s3.amazonaws.com', $enabled, $comment, (string)microtime(true), $cnames);
+ $rest->size = strlen($rest->data);
+ $rest->setHeader('Content-Type', 'application/xml');
+ $rest = self::__getCloudFrontResponse($rest);
+
+ 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::createDistribution({$bucket}, ".(int)$enabled.", '$comment'): [%s] %s",
+ $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ return false;
+ } elseif ($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) {
+ self::$useSSL = true; // CloudFront requires SSL
+ $rest = new S3Request('GET', '', '2008-06-30/distribution/'.$distributionId, 'cloudfront.amazonaws.com');
+ $rest = self::__getCloudFrontResponse($rest);
+
+ 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::getDistribution($distributionId): [%s] %s",
+ $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ return false;
+ } elseif ($rest->body instanceof SimpleXMLElement) {
+ $dist = self::__parseCloudFrontDistributionConfig($rest->body);
+ $dist['hash'] = $rest->headers['hash'];
+ 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) {
+ self::$useSSL = true; // CloudFront requires SSL
+ $rest = new S3Request('PUT', '', '2008-06-30/distribution/'.$dist['id'].'/config', 'cloudfront.amazonaws.com');
+ $rest->data = self::__getCloudFrontDistributionConfigXML($dist['origin'], $dist['enabled'], $dist['comment'], $dist['callerReference'], $dist['cnames']);
+ $rest->size = strlen($rest->data);
+ $rest->setHeader('If-Match', $dist['hash']);
+ $rest = self::__getCloudFrontResponse($rest);
+
+ 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::updateDistribution({$dist['id']}, ".(int)$enabled.", '$comment'): [%s] %s",
+ $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ 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) {
+ 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);
+
+ if ($rest->error === false && $rest->code !== 204)
+ $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
+ if ($rest->error !== false) {
+ trigger_error(sprintf("S3::deleteDistribution({$dist['id']}): [%s] %s",
+ $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ return false;
+ }
+ return true;
+ }
+
+
+ /**
+ * Get a list of CloudFront distributions
+ *
+ * @return array
+ */
+ public static function listDistributions() {
+ self::$useSSL = true; // CloudFront requires SSL
+ $rest = new S3Request('GET', '', '2008-06-30/distribution', 'cloudfront.amazonaws.com');
+ $rest = self::__getCloudFrontResponse($rest);
+
+ 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::listDistributions(): [%s] %s",
+ $rest->error['code'], $rest->error['message']), E_USER_WARNING);
+ return false;
+ } elseif ($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();
+ }
+
+
+ /**
+ * Get a DistributionConfig DOMDocument
+ *
+ * @internal Used to create XML in createDistribution() and updateDistribution()
+ * @param string $bucket Origin bucket
+ * @param boolean $enabled Enabled (true/false)
+ * @param string $comment Comment to append
+ * @param string $callerReference Caller reference
+ * @param array $cnames Array of CNAME aliases
+ * @return string
+ */
+ private static function __getCloudFrontDistributionConfigXML($bucket, $enabled, $comment, $callerReference = '0', $cnames = array()) {
+ $dom = new DOMDocument('1.0', 'UTF-8');
+ $dom->formatOutput = true;
+ $distributionConfig = $dom->createElement('DistributionConfig');
+ $distributionConfig->setAttribute('xmlns', 'http://cloudfront.amazonaws.com/doc/2008-06-30/');
+ $distributionConfig->appendChild($dom->createElement('Origin', $bucket));
+ $distributionConfig->appendChild($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'));
+ $dom->appendChild($distributionConfig);
+ return $dom->saveXML();
+ }
+
+
+ /**
+ * Parse a CloudFront distribution config
+ *
+ * @internal Used to parse the CloudFront DistributionConfig node to an array
+ * @param object &$node DOMNode
+ * @return array
+ */
+ private static function __parseCloudFrontDistributionConfig(&$node) {
+ $dist = array();
+ if (isset($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->Comment))
+ $dist['comment'] = (string)$node->Comment;
+ if (isset($node->Enabled, $node->Origin)) {
+ $dist['origin'] = (string)$node->Origin;
+ $dist['enabled'] = (string)$node->Enabled == 'true' ? true : false;
+ } elseif (isset($node->DistributionConfig)) {
+ $dist = array_merge($dist, self::__parseCloudFrontDistributionConfig($node->DistributionConfig));
+ }
+ if (isset($node->CNAME)) {
+ $dist['cnames'] = array();
+ foreach ($node->CNAME as $cname) $dist['cnames'][(string)$cname] = (string)$cname;
+ }
+ 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 $rest->response;
+ }
+
+
+ /**
+ * Get MIME type for file
+ *
+ * @internal Used to get mime types
+ * @param string &$file File path
+ * @return string
+ */
+ public static function __getMimeType(&$file) {
+ $type = false;
+ // Fileinfo documentation says fileinfo_open() will use the
+ // MAGIC env var for the magic file
+ if (extension_loaded('fileinfo') && isset($_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 anyone is still using mime_content_type()
+ } elseif (function_exists('mime_content_type'))
+ $type = trim(mime_content_type($file));
+
+ if ($type !== false && strlen($type) > 0) return $type;
+
+ // Otherwise do it the old fashioned way
+ static $exts = array(
+ 'jpg' => 'image/jpeg', 'gif' => 'image/gif', 'png' => 'image/png',
+ 'tif' => 'image/tiff', 'tiff' => 'image/tiff', 'ico' => 'image/x-icon',
+ 'swf' => 'application/x-shockwave-flash', 'pdf' => 'application/pdf',
+ 'zip' => 'application/zip', 'gz' => 'application/x-gzip',
+ 'tar' => 'application/x-tar', 'bz' => 'application/x-bzip',
+ 'bz2' => 'application/x-bzip2', '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));
+ return isset($exts[$ext]) ? $exts[$ext] : 'application/octet-stream';
+ }
+
+
+ /**
+ * 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)))));
+ }
+
+}
+
+final class S3Request {
+ private $verb, $bucket, $uri, $resource = '', $parameters = array(),
+ $amzHeaders = array(), $headers = array(
+ 'Host' => '', 'Date' => '', 'Content-MD5' => '', 'Content-Type' => ''
+ );
+ public $fp = false, $size = 0, $data = false, $response;
+
+
+ /**
+ * Constructor
+ *
+ * @param string $verb Verb
+ * @param string $bucket Bucket name
+ * @param string $uri Object URI
+ * @return mixed
+ */
+ function __construct($verb, $bucket = '', $uri = '', $defaultHost = 's3.amazonaws.com') {
+ $this->verb = $verb;
+ $this->bucket = strtolower($bucket);
+ $this->uri = $uri !== '' ? '/'.str_replace('%2F', '/', rawurlencode($uri)) : '/';
+
+ if ($this->bucket !== '') {
+ $this->headers['Host'] = $this->bucket.'.'.$defaultHost;
+ $this->resource = '/'.$this->bucket.$this->uri;
+ } else {
+ $this->headers['Host'] = $defaultHost;
+ //$this->resource = strlen($this->uri) > 1 ? '/'.$this->bucket.$this->uri : $this->uri;
+ $this->resource = $this->uri;
+ }
+ $this->headers['Date'] = gmdate('D, d M Y H:i:s T');
+
+ $this->response = new STDClass;
+ $this->response->error = false;
+ }
+
+
+ /**
+ * 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.'&';
+ // Parameters should be encoded (thanks Sean O'Dea)
+ 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('logging', $this->parameters))
+ $this->resource .= $query;
+ }
+ $url = ((S3::$useSSL && extension_loaded('openssl')) ?
+ 'https://':'http://').$this->headers['Host'].$this->uri;
+ //var_dump($this->bucket, $this->uri, $this->resource, $url);
+
+ // Basic setup
+ $curl = curl_init();
+ curl_setopt($curl, CURLOPT_USERAGENT, 'S3/php');
+
+ if (S3::$useSSL) {
+ curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 1);
+ curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 1);
+ }
+
+ curl_setopt($curl, CURLOPT_URL, $url);
+
+ // 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 = '';
+
+ // Authorization string (CloudFront stringToSign should only contain a date)
+ $headers[] = 'Authorization: ' . S3::__getSignature(
+ $this->headers['Host'] == 'cloudfront.amazonaws.com' ? $this->headers['Date'] :
+ $this->verb."\n".$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, $this->data);
+ if ($this->size >= 0)
+ curl_setopt($curl, CURLOPT_BUFFERSIZE, $this->size);
+ } else
+ curl_setopt($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($this->response->code, array(200, 204)) &&
+ isset($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 $this->response;
+ }
+
+
+ /**
+ * CURL write callback
+ *
+ * @param resource &$curl CURL resource
+ * @param string &$data Data
+ * @return integer
+ */
+ private function __responseWriteCallback(&$curl, &$data) {
+ if ($this->response->code == 200 && $this->fp !== false)
+ return fwrite($this->fp, $data);
+ else
+ $this->response->body .= $data;
+ return strlen($data);
+ }
+
+
+ /**
+ * 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 {
+ list($header, $value) = explode(': ', trim($data), 2);
+ if ($header == 'Last-Modified')
+ $this->response->headers['time'] = strtotime($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] = is_numeric($value) ? (int)$value : $value;
+ }
+ return $strlen;
+ }
+
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 00:12:05 +0000