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Differences Between: [Versions 310 and 401] [Versions 39 and 401] [Versions 401 and 402] [Versions 401 and 403]

   1  <?php
   2  /**
   3  * $Id$
   4  *
   5  * Copyright (c) 2013, Donovan Schönknecht.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are met:
   9  *
  10  * - Redistributions of source code must retain the above copyright notice,
  11  *   this list of conditions and the following disclaimer.
  12  * - Redistributions in binary form must reproduce the above copyright
  13  *   notice, this list of conditions and the following disclaimer in the
  14  *   documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26  * POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * Amazon S3 is a trademark of Amazon.com, Inc. or its affiliates.
  29  */
  30  
  31  /**
  32  * Amazon S3 PHP class
  33  *
  34  * @link http://undesigned.org.za/2007/10/22/amazon-s3-php-class
  35  * @version 0.5.1
  36  */
  37  class S3
  38  {
  39  	 // ACL flags
  40  	 const ACL_PRIVATE = 'private';
  41  	 const ACL_PUBLIC_READ = 'public-read';
  42  	 const ACL_PUBLIC_READ_WRITE = 'public-read-write';
  43  	 const ACL_AUTHENTICATED_READ = 'authenticated-read';
  44  
  45  	 const STORAGE_CLASS_STANDARD = 'STANDARD';
  46  	 const STORAGE_CLASS_RRS = 'REDUCED_REDUNDANCY';
  47  
  48  	 const SSE_NONE = '';
  49  	 const SSE_AES256 = 'AES256';
  50  
  51  	 /**
  52  	  * The AWS Access key
  53  	  *
  54  	  * @var string
  55  	  * @access private
  56  	  * @static
  57  	  */
  58  	 private static $__accessKey = null;
  59  
  60  	 /**
  61  	  * AWS Secret Key
  62  	  *
  63  	  * @var string
  64  	  * @access private
  65  	  * @static
  66  	  */
  67  	 private static $__secretKey = null;
  68  
  69  	 /**
  70  	  * SSL Client key
  71  	  *
  72  	  * @var string
  73  	  * @access private
  74  	  * @static
  75  	  */
  76  	 private static $__sslKey = null;
  77  
  78  	 /**
  79  	  * Default delimiter to be used, for example while getBucket().
  80  	  * @var string
  81  	  * @access public
  82  	  * @static
  83  	  */
  84  	 public static $defDelimiter = null;
  85  
  86  	 /**
  87  	  * AWS URI
  88  	  *
  89  	  * @var string
  90  	  * @acess public
  91  	  * @static
  92  	  */
  93  	 public static $endpoint = 's3.amazonaws.com';
  94  
  95  	 /**
  96  	  * Proxy information
  97  	  *
  98  	  * @var null|array
  99  	  * @access public
 100  	  * @static
 101  	  */
 102  	 public static $proxy = null;
 103  
 104  	 /**
 105  	  * Connect using SSL?
 106  	  *
 107  	  * @var bool
 108  	  * @access public
 109  	  * @static
 110  	  */
 111  	 public static $useSSL = false;
 112  
 113  	 /**
 114  	  * Use SSL validation?
 115  	  *
 116  	  * @var bool
 117  	  * @access public
 118  	  * @static
 119  	  */
 120  	 public static $useSSLValidation = true;
 121  
 122  	 /**
 123  	  * Use SSL version
 124  	  *
 125  	  * @var const
 126  	  * @access public
 127  	  * @static
 128  	  */
 129  	 public static $useSSLVersion = CURL_SSLVERSION_TLSv1;
 130  
 131  	 /**
 132  	  * Use PHP exceptions?
 133  	  *
 134  	  * @var bool
 135  	  * @access public
 136  	  * @static
 137  	  */
 138  	 public static $useExceptions = false;
 139  
 140  	 /**
 141  	  * Time offset applied to time()
 142  	  * @access private
 143  	  * @static
 144  	  */
 145  	 private static $__timeOffset = 0;
 146  
 147  	 /**
 148  	  * SSL client key
 149  	  *
 150  	  * @var bool
 151  	  * @access public
 152  	  * @static
 153  	  */
 154  	 public static $sslKey = null;
 155  	 
 156  	 /**
 157  	  * SSL client certfificate
 158  	  *
 159  	  * @var string
 160  	  * @acess public
 161  	  * @static
 162  	  */
 163  	 public static $sslCert = null;
 164  	 
 165  	 /**
 166  	  * SSL CA cert (only required if you are having problems with your system CA cert)
 167  	  *
 168  	  * @var string
 169  	  * @access public
 170  	  * @static
 171  	  */
 172  	 public static $sslCACert = null;
 173  	 
 174  	 /**
 175  	  * AWS Key Pair ID
 176  	  *
 177  	  * @var string
 178  	  * @access private
 179  	  * @static
 180  	  */
 181  	 private static $__signingKeyPairId = null;
 182  	 
 183  	 /**
 184  	  * Key resource, freeSigningKey() must be called to clear it from memory
 185  	  *
 186  	  * @var bool
 187  	  * @access private
 188  	  * @static 
 189  	  */
 190  	 private static $__signingKeyResource = false;
 191  
 192  
 193  	 /**
 194  	 * Constructor - if you're not using the class statically
 195  	 *
 196  	 * @param string $accessKey Access key
 197  	 * @param string $secretKey Secret key
 198  	 * @param boolean $useSSL Enable SSL
 199  	 * @param string $endpoint Amazon URI
 200  	 * @return void
 201  	 */
 202  	public function __construct($accessKey = null, $secretKey = null, $useSSL = false, $endpoint = 's3.amazonaws.com')
 203  	 {
 204  	 	 if ($accessKey !== null && $secretKey !== null)
 205  	 	 	 self::setAuth($accessKey, $secretKey);
 206  	 	 self::$useSSL = $useSSL;
 207  	 	 self::$endpoint = $endpoint;
 208  	 }
 209  
 210  
 211  	 /**
 212  	 * Set the service endpoint
 213  	 *
 214  	 * @param string $host Hostname
 215  	 * @return void
 216  	 */
 217  	public function setEndpoint($host)
 218  	 {
 219  	 	 self::$endpoint = $host;
 220  	 }
 221  
 222  
 223  	 /**
 224  	 * Set AWS access key and secret key
 225  	 *
 226  	 * @param string $accessKey Access key
 227  	 * @param string $secretKey Secret key
 228  	 * @return void
 229  	 */
 230  	public static function setAuth($accessKey, $secretKey)
 231  	 {
 232  	 	 self::$__accessKey = $accessKey;
 233  	 	 self::$__secretKey = $secretKey;
 234  	 }
 235  
 236  
 237  	 /**
 238  	 * Check if AWS keys have been set
 239  	 *
 240  	 * @return boolean
 241  	 */
 242  	public static function hasAuth() {
 243  	 	 return (self::$__accessKey !== null && self::$__secretKey !== null);
 244  	 }
 245  
 246  
 247  	 /**
 248  	 * Set SSL on or off
 249  	 *
 250  	 * @param boolean $enabled SSL enabled
 251  	 * @param boolean $validate SSL certificate validation
 252  	 * @return void
 253  	 */
 254  	public static function setSSL($enabled, $validate = true)
 255  	 {
 256  	 	 self::$useSSL = $enabled;
 257  	 	 self::$useSSLValidation = $validate;
 258  	 }
 259  
 260  
 261  	 /**
 262  	 * Set SSL client certificates (experimental)
 263  	 *
 264  	 * @param string $sslCert SSL client certificate
 265  	 * @param string $sslKey SSL client key
 266  	 * @param string $sslCACert SSL CA cert (only required if you are having problems with your system CA cert)
 267  	 * @return void
 268  	 */
 269  	public static function setSSLAuth($sslCert = null, $sslKey = null, $sslCACert = null)
 270  	 {
 271  	 	 self::$sslCert = $sslCert;
 272  	 	 self::$sslKey = $sslKey;
 273  	 	 self::$sslCACert = $sslCACert;
 274  	 }
 275  
 276  
 277  	 /**
 278  	 * Set proxy information
 279  	 *
 280  	 * @param string $host Proxy hostname and port (localhost:1234)
 281  	 * @param string $user Proxy username
 282  	 * @param string $pass Proxy password
 283  	 * @param constant $type CURL proxy type
 284  	 * @return void
 285  	 */
 286  	public static function setProxy($host, $user = null, $pass = null, $type = CURLPROXY_SOCKS5)
 287  	 {
 288  	 	 self::$proxy = array('host' => $host, 'type' => $type, 'user' => $user, 'pass' => $pass);
 289  	 }
 290  
 291  
 292  	 /**
 293  	 * Set the error mode to exceptions
 294  	 *
 295  	 * @param boolean $enabled Enable exceptions
 296  	 * @return void
 297  	 */
 298  	public static function setExceptions($enabled = true)
 299  	 {
 300  	 	 self::$useExceptions = $enabled;
 301  	 }
 302  
 303  
 304  	 /**
 305  	 * Set AWS time correction offset (use carefully)
 306  	 *
 307  	 * This can be used when an inaccurate system time is generating
 308  	 * invalid request signatures.  It should only be used as a last
 309  	 * resort when the system time cannot be changed.
 310  	 *
 311  	 * @param string $offset Time offset (set to zero to use AWS server time)
 312  	 * @return void
 313  	 */
 314  	public static function setTimeCorrectionOffset($offset = 0)
 315  	 {
 316  	 	 if ($offset == 0)
 317  	 	 {
 318  	 	 	 $rest = new S3Request('HEAD');
 319  	 	 	 $rest = $rest->getResponse();
 320  	 	 	 $awstime = $rest->headers['date'];
 321  	 	 	 $systime = time();	 	 	 
 322  	 	 	 $offset = $systime > $awstime ? -($systime - $awstime) : ($awstime - $systime);
 323  	 	 }
 324  	 	 self::$__timeOffset = $offset;
 325  	 }
 326  
 327  
 328  	 /**
 329  	 * Set signing key
 330  	 *
 331  	 * @param string $keyPairId AWS Key Pair ID
 332  	 * @param string $signingKey Private Key
 333  	 * @param boolean $isFile Load private key from file, set to false to load string
 334  	 * @return boolean
 335  	 */
 336  	public static function setSigningKey($keyPairId, $signingKey, $isFile = true)
 337  	 {
 338  	 	 self::$__signingKeyPairId = $keyPairId;
 339  	 	 if ((self::$__signingKeyResource = openssl_pkey_get_private($isFile ?
 340  	 	 file_get_contents($signingKey) : $signingKey)) !== false) return true;
 341  	 	 self::__triggerError('S3::setSigningKey(): Unable to open load private key: '.$signingKey, __FILE__, __LINE__);
 342  	 	 return false;
 343  	 }
 344  
 345  
 346  	 /**
 347  	 * Free signing key from memory, MUST be called if you are using setSigningKey()
 348  	 *
 349  	 * @return void
 350  	 */
 351  	public static function freeSigningKey()
 352  	 {
 353  	 	 if (self::$__signingKeyResource !== false)
 354  	 	 {
 355  	 	 	 // TODO: Remove this block once PHP 8.0 becomes required.
 356  	 	 	 if (PHP_MAJOR_VERSION < 8) {
 357  	 	 	 	 openssl_free_key(self::$__signingKeyResource);
 358  	 	 	 }
 359  	 	 	 self::$__signingKeyResource = null;
 360  	 	 }
 361  	 }
 362  
 363  
 364  	 /**
 365  	 * Internal error handler
 366  	 *
 367  	 * @internal Internal error handler
 368  	 * @param string $message Error message
 369  	 * @param string $file Filename
 370  	 * @param integer $line Line number
 371  	 * @param integer $code Error code
 372  	 * @return void
 373  	 */
 374  	private static function __triggerError($message, $file, $line, $code = 0)
 375  	 {
 376  	 	 if (self::$useExceptions)
 377  	 	 	 throw new S3Exception($message, $file, $line, $code);
 378  	 	 else
 379  	 	 	 trigger_error($message, E_USER_WARNING);
 380  	 }
 381  
 382  
 383  	 /**
 384  	 * Get a list of buckets
 385  	 *
 386  	 * @param boolean $detailed Returns detailed bucket list when true
 387  	 * @return array | false
 388  	 */
 389  	public static function listBuckets($detailed = false)
 390  	 {
 391  	 	 $rest = new S3Request('GET', '', '', self::$endpoint);
 392  	 	 $rest = $rest->getResponse();
 393  	 	 if ($rest->error === false && $rest->code !== 200)
 394  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
 395  	 	 if ($rest->error !== false)
 396  	 	 {
 397  	 	 	 self::__triggerError(sprintf("S3::listBuckets(): [%s] %s", $rest->error['code'],
 398  	 	 	 $rest->error['message']), __FILE__, __LINE__);
 399  	 	 	 return false;
 400  	 	 }
 401  	 	 $results = array();
 402  	 	 if (!isset($rest->body->Buckets)) return $results;
 403  
 404  	 	 if ($detailed)
 405  	 	 {
 406  	 	 	 if (isset($rest->body->Owner, $rest->body->Owner->ID, $rest->body->Owner->DisplayName))
 407  	 	 	 $results['owner'] = array(
 408  	 	 	 	 'id' => (string)$rest->body->Owner->ID, 'name' => (string)$rest->body->Owner->DisplayName
 409  	 	 	 );
 410  	 	 	 $results['buckets'] = array();
 411  	 	 	 foreach ($rest->body->Buckets->Bucket as $b)
 412  	 	 	 	 $results['buckets'][] = array(
 413  	 	 	 	 	 'name' => (string)$b->Name, 'time' => strtotime((string)$b->CreationDate)
 414  	 	 	 	 );
 415  	 	 } else
 416  	 	 	 foreach ($rest->body->Buckets->Bucket as $b) $results[] = (string)$b->Name;
 417  
 418  	 	 return $results;
 419  	 }
 420  
 421  
 422  	 /**
 423  	 * Get contents for a bucket
 424  	 *
 425  	 * If maxKeys is null this method will loop through truncated result sets
 426  	 *
 427  	 * @param string $bucket Bucket name
 428  	 * @param string $prefix Prefix
 429  	 * @param string $marker Marker (last file listed)
 430  	 * @param string $maxKeys Max keys (maximum number of keys to return)
 431  	 * @param string $delimiter Delimiter
 432  	 * @param boolean $returnCommonPrefixes Set to true to return CommonPrefixes
 433  	 * @return array | false
 434  	 */
 435  	public static function getBucket($bucket, $prefix = null, $marker = null, $maxKeys = null, $delimiter = null, $returnCommonPrefixes = false)
 436  	 {
 437  	 	 $rest = new S3Request('GET', $bucket, '', self::$endpoint);
 438  	 	 if ($maxKeys == 0) $maxKeys = null;
 439  	 	 if ($prefix !== null && $prefix !== '') $rest->setParameter('prefix', $prefix);
 440  	 	 if ($marker !== null && $marker !== '') $rest->setParameter('marker', $marker);
 441  	 	 if ($maxKeys !== null && $maxKeys !== '') $rest->setParameter('max-keys', $maxKeys);
 442  	 	 if ($delimiter !== null && $delimiter !== '') $rest->setParameter('delimiter', $delimiter);
 443  	 	 else if (!empty(self::$defDelimiter)) $rest->setParameter('delimiter', self::$defDelimiter);
 444  	 	 $response = $rest->getResponse();
 445  	 	 if ($response->error === false && $response->code !== 200)
 446  	 	 	 $response->error = array('code' => $response->code, 'message' => 'Unexpected HTTP status');
 447  	 	 if ($response->error !== false)
 448  	 	 {
 449  	 	 	 self::__triggerError(sprintf("S3::getBucket(): [%s] %s",
 450  	 	 	 $response->error['code'], $response->error['message']), __FILE__, __LINE__);
 451  	 	 	 return false;
 452  	 	 }
 453  
 454  	 	 $results = array();
 455  
 456  	 	 $nextMarker = null;
 457  	 	 if (isset($response->body, $response->body->Contents))
 458  	 	 foreach ($response->body->Contents as $c)
 459  	 	 {
 460  	 	 	 $results[(string)$c->Key] = array(
 461  	 	 	 	 'name' => (string)$c->Key,
 462  	 	 	 	 'time' => strtotime((string)$c->LastModified),
 463  	 	 	 	 'size' => (int)$c->Size,
 464  	 	 	 	 'hash' => substr((string)$c->ETag, 1, -1)
 465  	 	 	 );
 466  	 	 	 $nextMarker = (string)$c->Key;
 467  	 	 }
 468  
 469  	 	 if ($returnCommonPrefixes && isset($response->body, $response->body->CommonPrefixes))
 470  	 	 	 foreach ($response->body->CommonPrefixes as $c)
 471  	 	 	 	 $results[(string)$c->Prefix] = array('prefix' => (string)$c->Prefix);
 472  
 473  	 	 if (isset($response->body, $response->body->IsTruncated) &&
 474  	 	 (string)$response->body->IsTruncated == 'false') return $results;
 475  
 476  	 	 if (isset($response->body, $response->body->NextMarker))
 477  	 	 	 $nextMarker = (string)$response->body->NextMarker;
 478  
 479  	 	 // Loop through truncated results if maxKeys isn't specified
 480  	 	 if ($maxKeys == null && $nextMarker !== null && (string)$response->body->IsTruncated == 'true')
 481  	 	 do
 482  	 	 {
 483  	 	 	 $rest = new S3Request('GET', $bucket, '', self::$endpoint);
 484  	 	 	 if ($prefix !== null && $prefix !== '') $rest->setParameter('prefix', $prefix);
 485  	 	 	 $rest->setParameter('marker', $nextMarker);
 486  	 	 	 if ($delimiter !== null && $delimiter !== '') $rest->setParameter('delimiter', $delimiter);
 487  
 488  	 	 	 if (($response = $rest->getResponse()) == false || $response->code !== 200) break;
 489  
 490  	 	 	 if (isset($response->body, $response->body->Contents))
 491  	 	 	 foreach ($response->body->Contents as $c)
 492  	 	 	 {
 493  	 	 	 	 $results[(string)$c->Key] = array(
 494  	 	 	 	 	 'name' => (string)$c->Key,
 495  	 	 	 	 	 'time' => strtotime((string)$c->LastModified),
 496  	 	 	 	 	 'size' => (int)$c->Size,
 497  	 	 	 	 	 'hash' => substr((string)$c->ETag, 1, -1)
 498  	 	 	 	 );
 499  	 	 	 	 $nextMarker = (string)$c->Key;
 500  	 	 	 }
 501  
 502  	 	 	 if ($returnCommonPrefixes && isset($response->body, $response->body->CommonPrefixes))
 503  	 	 	 	 foreach ($response->body->CommonPrefixes as $c)
 504  	 	 	 	 	 $results[(string)$c->Prefix] = array('prefix' => (string)$c->Prefix);
 505  
 506  	 	 	 if (isset($response->body, $response->body->NextMarker))
 507  	 	 	 	 $nextMarker = (string)$response->body->NextMarker;
 508  
 509  	 	 } while ($response !== false && (string)$response->body->IsTruncated == 'true');
 510  
 511  	 	 return $results;
 512  	 }
 513  
 514  
 515  	 /**
 516  	 * Put a bucket
 517  	 *
 518  	 * @param string $bucket Bucket name
 519  	 * @param constant $acl ACL flag
 520  	 * @param string $location Set as "EU" to create buckets hosted in Europe
 521  	 * @return boolean
 522  	 */
 523  	public static function putBucket($bucket, $acl = self::ACL_PRIVATE, $location = false)
 524  	 {
 525  	 	 $rest = new S3Request('PUT', $bucket, '', self::$endpoint);
 526  	 	 $rest->setAmzHeader('x-amz-acl', $acl);
 527  
 528  	 	 if ($location !== false)
 529  	 	 {
 530  	 	 	 $dom = new DOMDocument;
 531  	 	 	 $createBucketConfiguration = $dom->createElement('CreateBucketConfiguration');
 532  	 	 	 $locationConstraint = $dom->createElement('LocationConstraint', $location);
 533  	 	 	 $createBucketConfiguration->appendChild($locationConstraint);
 534  	 	 	 $dom->appendChild($createBucketConfiguration);
 535  	 	 	 $rest->data = $dom->saveXML();
 536  	 	 	 $rest->size = strlen($rest->data);
 537  	 	 	 $rest->setHeader('Content-Type', 'application/xml');
 538  	 	 }
 539  	 	 $rest = $rest->getResponse();
 540  
 541  	 	 if ($rest->error === false && $rest->code !== 200)
 542  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
 543  	 	 if ($rest->error !== false)
 544  	 	 {
 545  	 	 	 self::__triggerError(sprintf("S3::putBucket({$bucket}, {$acl}, {$location}): [%s] %s",
 546  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
 547  	 	 	 return false;
 548  	 	 }
 549  	 	 return true;
 550  	 }
 551  
 552  
 553  	 /**
 554  	 * Delete an empty bucket
 555  	 *
 556  	 * @param string $bucket Bucket name
 557  	 * @return boolean
 558  	 */
 559  	public static function deleteBucket($bucket)
 560  	 {
 561  	 	 $rest = new S3Request('DELETE', $bucket, '', self::$endpoint);
 562  	 	 $rest = $rest->getResponse();
 563  	 	 if ($rest->error === false && $rest->code !== 204)
 564  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
 565  	 	 if ($rest->error !== false)
 566  	 	 {
 567  	 	 	 self::__triggerError(sprintf("S3::deleteBucket({$bucket}): [%s] %s",
 568  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
 569  	 	 	 return false;
 570  	 	 }
 571  	 	 return true;
 572  	 }
 573  
 574  
 575  	 /**
 576  	 * Create input info array for putObject()
 577  	 *
 578  	 * @param string $file Input file
 579  	 * @param mixed $md5sum Use MD5 hash (supply a string if you want to use your own)
 580  	 * @return array | false
 581  	 */
 582  	public static function inputFile($file, $md5sum = true)
 583  	 {
 584  	 	 if (!file_exists($file) || !is_file($file) || !is_readable($file))
 585  	 	 {
 586  	 	 	 self::__triggerError('S3::inputFile(): Unable to open input file: '.$file, __FILE__, __LINE__);
 587  	 	 	 return false;
 588  	 	 }
 589  	 	 clearstatcache(false, $file);
 590  	 	 return array('file' => $file, 'size' => filesize($file), 'md5sum' => $md5sum !== false ?
 591  	 	 (is_string($md5sum) ? $md5sum : base64_encode(md5_file($file, true))) : '');
 592  	 }
 593  
 594  
 595  	 /**
 596  	 * Create input array info for putObject() with a resource
 597  	 *
 598  	 * @param string $resource Input resource to read from
 599  	 * @param integer $bufferSize Input byte size
 600  	 * @param string $md5sum MD5 hash to send (optional)
 601  	 * @return array | false
 602  	 */
 603  	public static function inputResource(&$resource, $bufferSize = false, $md5sum = '')
 604  	 {
 605  	 	 if (!is_resource($resource) || (int)$bufferSize < 0)
 606  	 	 {
 607  	 	 	 self::__triggerError('S3::inputResource(): Invalid resource or buffer size', __FILE__, __LINE__);
 608  	 	 	 return false;
 609  	 	 }
 610  
 611  	 	 // Try to figure out the bytesize
 612  	 	 if ($bufferSize === false)
 613  	 	 {
 614  	 	 	 if (fseek($resource, 0, SEEK_END) < 0 || ($bufferSize = ftell($resource)) === false)
 615  	 	 	 {
 616  	 	 	 	 self::__triggerError('S3::inputResource(): Unable to obtain resource size', __FILE__, __LINE__);
 617  	 	 	 	 return false;
 618  	 	 	 }
 619  	 	 	 fseek($resource, 0);
 620  	 	 }
 621  
 622  	 	 $input = array('size' => $bufferSize, 'md5sum' => $md5sum);
 623  	 	 $input['fp'] =& $resource;
 624  	 	 return $input;
 625  	 }
 626  
 627  
 628  	 /**
 629  	 * Put an object
 630  	 *
 631  	 * @param mixed $input Input data
 632  	 * @param string $bucket Bucket name
 633  	 * @param string $uri Object URI
 634  	 * @param constant $acl ACL constant
 635  	 * @param array $metaHeaders Array of x-amz-meta-* headers
 636  	 * @param array $requestHeaders Array of request headers or content type as a string
 637  	 * @param constant $storageClass Storage class constant
 638  	 * @param constant $serverSideEncryption Server-side encryption
 639  	 * @return boolean
 640  	 */
 641  	public static function putObject($input, $bucket, $uri, $acl = self::ACL_PRIVATE, $metaHeaders = array(), $requestHeaders = array(), $storageClass = self::STORAGE_CLASS_STANDARD, $serverSideEncryption = self::SSE_NONE)
 642  	 {
 643  	 	 if ($input === false) return false;
 644  	 	 $rest = new S3Request('PUT', $bucket, $uri, self::$endpoint);
 645  
 646  	 	 if (!is_array($input)) $input = array(
 647  	 	 	 'data' => $input, 'size' => strlen($input),
 648  	 	 	 'md5sum' => base64_encode(md5($input, true))
 649  	 	 );
 650  
 651  	 	 // Data
 652  	 	 if (isset($input['fp']))
 653  	 	 	 $rest->fp =& $input['fp'];
 654  	 	 elseif (isset($input['file']))
 655  	 	 	 $rest->fp = @fopen($input['file'], 'rb');
 656  	 	 elseif (isset($input['data']))
 657  	 	 	 $rest->data = $input['data'];
 658  
 659  	 	 // Content-Length (required)
 660  	 	 if (isset($input['size']) && $input['size'] >= 0)
 661  	 	 	 $rest->size = $input['size'];
 662  	 	 else {
 663  	 	 	 if (isset($input['file'])) {
 664  	 	 	 	 clearstatcache(false, $input['file']);
 665  	 	 	 	 $rest->size = filesize($input['file']);
 666  	 	 	 }
 667  	 	 	 elseif (isset($input['data']))
 668  	 	 	 	 $rest->size = strlen($input['data']);
 669  	 	 }
 670  
 671  	 	 // Custom request headers (Content-Type, Content-Disposition, Content-Encoding)
 672  	 	 if (is_array($requestHeaders))
 673  	 	 	 foreach ($requestHeaders as $h => $v)
 674  	 	 	 	 strpos($h, 'x-amz-') === 0 ? $rest->setAmzHeader($h, $v) : $rest->setHeader($h, $v);
 675  	 	 elseif (is_string($requestHeaders)) // Support for legacy contentType parameter
 676  	 	 	 $input['type'] = $requestHeaders;
 677  
 678  	 	 // Content-Type
 679  	 	 if (!isset($input['type']))
 680  	 	 {
 681  	 	 	 if (isset($requestHeaders['Content-Type']))
 682  	 	 	 	 $input['type'] =& $requestHeaders['Content-Type'];
 683  	 	 	 elseif (isset($input['file']))
 684  	 	 	 	 $input['type'] = self::__getMIMEType($input['file']);
 685  	 	 	 else
 686  	 	 	 	 $input['type'] = 'application/octet-stream';
 687  	 	 }
 688  
 689  	 	 if ($storageClass !== self::STORAGE_CLASS_STANDARD) // Storage class
 690  	 	 	 $rest->setAmzHeader('x-amz-storage-class', $storageClass);
 691  
 692  	 	 if ($serverSideEncryption !== self::SSE_NONE) // Server-side encryption
 693  	 	 	 $rest->setAmzHeader('x-amz-server-side-encryption', $serverSideEncryption);
 694  
 695  	 	 // We need to post with Content-Length and Content-Type, MD5 is optional
 696  	 	 if ($rest->size >= 0 && ($rest->fp !== false || $rest->data !== false))
 697  	 	 {
 698  	 	 	 $rest->setHeader('Content-Type', $input['type']);
 699  	 	 	 if (isset($input['md5sum'])) $rest->setHeader('Content-MD5', $input['md5sum']);
 700  
 701  	 	 	 $rest->setAmzHeader('x-amz-acl', $acl);
 702  	 	 	 foreach ($metaHeaders as $h => $v) $rest->setAmzHeader('x-amz-meta-'.$h, $v);
 703  	 	 	 $rest->getResponse();
 704  	 	 } else
 705  	 	 	 $rest->response->error = array('code' => 0, 'message' => 'Missing input parameters');
 706  
 707  	 	 if ($rest->response->error === false && $rest->response->code !== 200)
 708  	 	 	 $rest->response->error = array('code' => $rest->response->code, 'message' => 'Unexpected HTTP status');
 709  	 	 if ($rest->response->error !== false)
 710  	 	 {
 711  	 	 	 self::__triggerError(sprintf("S3::putObject(): [%s] %s",
 712  	 	 	 $rest->response->error['code'], $rest->response->error['message']), __FILE__, __LINE__);
 713  	 	 	 return false;
 714  	 	 }
 715  	 	 return true;
 716  	 }
 717  
 718  
 719  	 /**
 720  	 * Put an object from a file (legacy function)
 721  	 *
 722  	 * @param string $file Input file path
 723  	 * @param string $bucket Bucket name
 724  	 * @param string $uri Object URI
 725  	 * @param constant $acl ACL constant
 726  	 * @param array $metaHeaders Array of x-amz-meta-* headers
 727  	 * @param string $contentType Content type
 728  	 * @return boolean
 729  	 */
 730  	public static function putObjectFile($file, $bucket, $uri, $acl = self::ACL_PRIVATE, $metaHeaders = array(), $contentType = null)
 731  	 {
 732  	 	 return self::putObject(self::inputFile($file), $bucket, $uri, $acl, $metaHeaders, $contentType);
 733  	 }
 734  
 735  
 736  	 /**
 737  	 * Put an object from a string (legacy function)
 738  	 *
 739  	 * @param string $string Input data
 740  	 * @param string $bucket Bucket name
 741  	 * @param string $uri Object URI
 742  	 * @param constant $acl ACL constant
 743  	 * @param array $metaHeaders Array of x-amz-meta-* headers
 744  	 * @param string $contentType Content type
 745  	 * @return boolean
 746  	 */
 747  	public static function putObjectString($string, $bucket, $uri, $acl = self::ACL_PRIVATE, $metaHeaders = array(), $contentType = 'text/plain')
 748  	 {
 749  	 	 return self::putObject($string, $bucket, $uri, $acl, $metaHeaders, $contentType);
 750  	 }
 751  
 752  
 753  	 /**
 754  	 * Get an object
 755  	 *
 756  	 * @param string $bucket Bucket name
 757  	 * @param string $uri Object URI
 758  	 * @param mixed $saveTo Filename or resource to write to
 759  	 * @return mixed
 760  	 */
 761  	public static function getObject($bucket, $uri, $saveTo = false)
 762  	 {
 763  	 	 $rest = new S3Request('GET', $bucket, $uri, self::$endpoint);
 764  	 	 if ($saveTo !== false)
 765  	 	 {
 766  	 	 	 if (is_resource($saveTo))
 767  	 	 	 	 $rest->fp =& $saveTo;
 768  	 	 	 else
 769  	 	 	 	 if (($rest->fp = @fopen($saveTo, 'wb')) !== false)
 770  	 	 	 	 	 $rest->file = realpath($saveTo);
 771  	 	 	 	 else
 772  	 	 	 	 	 $rest->response->error = array('code' => 0, 'message' => 'Unable to open save file for writing: '.$saveTo);
 773  	 	 }
 774  	 	 if ($rest->response->error === false) $rest->getResponse();
 775  
 776  	 	 if ($rest->response->error === false && $rest->response->code !== 200)
 777  	 	 	 $rest->response->error = array('code' => $rest->response->code, 'message' => 'Unexpected HTTP status');
 778  	 	 if ($rest->response->error !== false)
 779  	 	 {
 780  	 	 	 self::__triggerError(sprintf("S3::getObject({$bucket}, {$uri}): [%s] %s",
 781  	 	 	 $rest->response->error['code'], $rest->response->error['message']), __FILE__, __LINE__);
 782  	 	 	 return false;
 783  	 	 }
 784  	 	 return $rest->response;
 785  	 }
 786  
 787  
 788  	 /**
 789  	 * Get object information
 790  	 *
 791  	 * @param string $bucket Bucket name
 792  	 * @param string $uri Object URI
 793  	 * @param boolean $returnInfo Return response information
 794  	 * @return mixed | false
 795  	 */
 796  	public static function getObjectInfo($bucket, $uri, $returnInfo = true)
 797  	 {
 798  	 	 $rest = new S3Request('HEAD', $bucket, $uri, self::$endpoint);
 799  	 	 $rest = $rest->getResponse();
 800  	 	 if ($rest->error === false && ($rest->code !== 200 && $rest->code !== 404))
 801  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
 802  	 	 if ($rest->error !== false)
 803  	 	 {
 804  	 	 	 self::__triggerError(sprintf("S3::getObjectInfo({$bucket}, {$uri}): [%s] %s",
 805  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
 806  	 	 	 return false;
 807  	 	 }
 808  	 	 return $rest->code == 200 ? $returnInfo ? $rest->headers : true : false;
 809  	 }
 810  
 811  
 812  	 /**
 813  	 * Copy an object
 814  	 *
 815  	 * @param string $srcBucket Source bucket name
 816  	 * @param string $srcUri Source object URI
 817  	 * @param string $bucket Destination bucket name
 818  	 * @param string $uri Destination object URI
 819  	 * @param constant $acl ACL constant
 820  	 * @param array $metaHeaders Optional array of x-amz-meta-* headers
 821  	 * @param array $requestHeaders Optional array of request headers (content type, disposition, etc.)
 822  	 * @param constant $storageClass Storage class constant
 823  	 * @return mixed | false
 824  	 */
 825  	public static function copyObject($srcBucket, $srcUri, $bucket, $uri, $acl = self::ACL_PRIVATE, $metaHeaders = array(), $requestHeaders = array(), $storageClass = self::STORAGE_CLASS_STANDARD)
 826  	 {
 827  	 	 $rest = new S3Request('PUT', $bucket, $uri, self::$endpoint);
 828  	 	 $rest->setHeader('Content-Length', 0);
 829  	 	 foreach ($requestHeaders as $h => $v)
 830  	 	 	 	 strpos($h, 'x-amz-') === 0 ? $rest->setAmzHeader($h, $v) : $rest->setHeader($h, $v);
 831  	 	 foreach ($metaHeaders as $h => $v) $rest->setAmzHeader('x-amz-meta-'.$h, $v);
 832  	 	 if ($storageClass !== self::STORAGE_CLASS_STANDARD) // Storage class
 833  	 	 	 $rest->setAmzHeader('x-amz-storage-class', $storageClass);
 834  	 	 $rest->setAmzHeader('x-amz-acl', $acl);
 835  	 	 $rest->setAmzHeader('x-amz-copy-source', sprintf('/%s/%s', $srcBucket, rawurlencode($srcUri)));
 836  	 	 if (sizeof($requestHeaders) > 0 || sizeof($metaHeaders) > 0)
 837  	 	 	 $rest->setAmzHeader('x-amz-metadata-directive', 'REPLACE');
 838  
 839  	 	 $rest = $rest->getResponse();
 840  	 	 if ($rest->error === false && $rest->code !== 200)
 841  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
 842  	 	 if ($rest->error !== false)
 843  	 	 {
 844  	 	 	 self::__triggerError(sprintf("S3::copyObject({$srcBucket}, {$srcUri}, {$bucket}, {$uri}): [%s] %s",
 845  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
 846  	 	 	 return false;
 847  	 	 }
 848  	 	 return isset($rest->body->LastModified, $rest->body->ETag) ? array(
 849  	 	 	 'time' => strtotime((string)$rest->body->LastModified),
 850  	 	 	 'hash' => substr((string)$rest->body->ETag, 1, -1)
 851  	 	 ) : false;
 852  	 }
 853  
 854  
 855  	 /**
 856  	 * Set up a bucket redirection
 857  	 *
 858  	 * @param string $bucket Bucket name
 859  	 * @param string $location Target host name
 860  	 * @return boolean
 861  	 */
 862  	public static function setBucketRedirect($bucket = NULL, $location = NULL)
 863  	 {
 864  	 	 $rest = new S3Request('PUT', $bucket, '', self::$endpoint);
 865  
 866  	 	 if( empty($bucket) || empty($location) ) {
 867  	 	 	 self::__triggerError("S3::setBucketRedirect({$bucket}, {$location}): Empty parameter.", __FILE__, __LINE__);
 868  	 	 	 return false;
 869  	 	 }
 870  
 871  	 	 $dom = new DOMDocument;
 872  	 	 $websiteConfiguration = $dom->createElement('WebsiteConfiguration');
 873  	 	 $redirectAllRequestsTo = $dom->createElement('RedirectAllRequestsTo');
 874  	 	 $hostName = $dom->createElement('HostName', $location);
 875  	 	 $redirectAllRequestsTo->appendChild($hostName);
 876  	 	 $websiteConfiguration->appendChild($redirectAllRequestsTo);
 877  	 	 $dom->appendChild($websiteConfiguration);
 878  	 	 $rest->setParameter('website', null);
 879  	 	 $rest->data = $dom->saveXML();
 880  	 	 $rest->size = strlen($rest->data);
 881  	 	 $rest->setHeader('Content-Type', 'application/xml');
 882  	 	 $rest = $rest->getResponse();
 883  
 884  	 	 if ($rest->error === false && $rest->code !== 200)
 885  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
 886  	 	 if ($rest->error !== false)
 887  	 	 {
 888  	 	 	 self::__triggerError(sprintf("S3::setBucketRedirect({$bucket}, {$location}): [%s] %s",
 889  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
 890  	 	 	 return false;
 891  	 	 }
 892  	 	 return true;
 893  	 }
 894  
 895  
 896  	 /**
 897  	 * Set logging for a bucket
 898  	 *
 899  	 * @param string $bucket Bucket name
 900  	 * @param string $targetBucket Target bucket (where logs are stored)
 901  	 * @param string $targetPrefix Log prefix (e,g; domain.com-)
 902  	 * @return boolean
 903  	 */
 904  	public static function setBucketLogging($bucket, $targetBucket, $targetPrefix = null)
 905  	 {
 906  	 	 // The S3 log delivery group has to be added to the target bucket's ACP
 907  	 	 if ($targetBucket !== null && ($acp = self::getAccessControlPolicy($targetBucket, '')) !== false)
 908  	 	 {
 909  	 	 	 // Only add permissions to the target bucket when they do not exist
 910  	 	 	 $aclWriteSet = false;
 911  	 	 	 $aclReadSet = false;
 912  	 	 	 foreach ($acp['acl'] as $acl)
 913  	 	 	 if ($acl['type'] == 'Group' && $acl['uri'] == 'http://acs.amazonaws.com/groups/s3/LogDelivery')
 914  	 	 	 {
 915  	 	 	 	 if ($acl['permission'] == 'WRITE') $aclWriteSet = true;
 916  	 	 	 	 elseif ($acl['permission'] == 'READ_ACP') $aclReadSet = true;
 917  	 	 	 }
 918  	 	 	 if (!$aclWriteSet) $acp['acl'][] = array(
 919  	 	 	 	 'type' => 'Group', 'uri' => 'http://acs.amazonaws.com/groups/s3/LogDelivery', 'permission' => 'WRITE'
 920  	 	 	 );
 921  	 	 	 if (!$aclReadSet) $acp['acl'][] = array(
 922  	 	 	 	 'type' => 'Group', 'uri' => 'http://acs.amazonaws.com/groups/s3/LogDelivery', 'permission' => 'READ_ACP'
 923  	 	 	 );
 924  	 	 	 if (!$aclReadSet || !$aclWriteSet) self::setAccessControlPolicy($targetBucket, '', $acp);
 925  	 	 }
 926  
 927  	 	 $dom = new DOMDocument;
 928  	 	 $bucketLoggingStatus = $dom->createElement('BucketLoggingStatus');
 929  	 	 $bucketLoggingStatus->setAttribute('xmlns', 'http://s3.amazonaws.com/doc/2006-03-01/');
 930  	 	 if ($targetBucket !== null)
 931  	 	 {
 932  	 	 	 if ($targetPrefix == null) $targetPrefix = $bucket . '-';
 933  	 	 	 $loggingEnabled = $dom->createElement('LoggingEnabled');
 934  	 	 	 $loggingEnabled->appendChild($dom->createElement('TargetBucket', $targetBucket));
 935  	 	 	 $loggingEnabled->appendChild($dom->createElement('TargetPrefix', $targetPrefix));
 936  	 	 	 // TODO: Add TargetGrants?
 937  	 	 	 $bucketLoggingStatus->appendChild($loggingEnabled);
 938  	 	 }
 939  	 	 $dom->appendChild($bucketLoggingStatus);
 940  
 941  	 	 $rest = new S3Request('PUT', $bucket, '', self::$endpoint);
 942  	 	 $rest->setParameter('logging', null);
 943  	 	 $rest->data = $dom->saveXML();
 944  	 	 $rest->size = strlen($rest->data);
 945  	 	 $rest->setHeader('Content-Type', 'application/xml');
 946  	 	 $rest = $rest->getResponse();
 947  	 	 if ($rest->error === false && $rest->code !== 200)
 948  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
 949  	 	 if ($rest->error !== false)
 950  	 	 {
 951  	 	 	 self::__triggerError(sprintf("S3::setBucketLogging({$bucket}, {$targetBucket}): [%s] %s",
 952  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
 953  	 	 	 return false;
 954  	 	 }
 955  	 	 return true;
 956  	 }
 957  
 958  
 959  	 /**
 960  	 * Get logging status for a bucket
 961  	 *
 962  	 * This will return false if logging is not enabled.
 963  	 * Note: To enable logging, you also need to grant write access to the log group
 964  	 *
 965  	 * @param string $bucket Bucket name
 966  	 * @return array | false
 967  	 */
 968  	public static function getBucketLogging($bucket)
 969  	 {
 970  	 	 $rest = new S3Request('GET', $bucket, '', self::$endpoint);
 971  	 	 $rest->setParameter('logging', null);
 972  	 	 $rest = $rest->getResponse();
 973  	 	 if ($rest->error === false && $rest->code !== 200)
 974  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
 975  	 	 if ($rest->error !== false)
 976  	 	 {
 977  	 	 	 self::__triggerError(sprintf("S3::getBucketLogging({$bucket}): [%s] %s",
 978  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
 979  	 	 	 return false;
 980  	 	 }
 981  	 	 if (!isset($rest->body->LoggingEnabled)) return false; // No logging
 982  	 	 return array(
 983  	 	 	 'targetBucket' => (string)$rest->body->LoggingEnabled->TargetBucket,
 984  	 	 	 'targetPrefix' => (string)$rest->body->LoggingEnabled->TargetPrefix,
 985  	 	 );
 986  	 }
 987  
 988  
 989  	 /**
 990  	 * Disable bucket logging
 991  	 *
 992  	 * @param string $bucket Bucket name
 993  	 * @return boolean
 994  	 */
 995  	public static function disableBucketLogging($bucket)
 996  	 {
 997  	 	 return self::setBucketLogging($bucket, null);
 998  	 }
 999  
1000  
1001  	 /**
1002  	 * Get a bucket's location
1003  	 *
1004  	 * @param string $bucket Bucket name
1005  	 * @return string | false
1006  	 */
1007  	public static function getBucketLocation($bucket)
1008  	 {
1009  	 	 $rest = new S3Request('GET', $bucket, '', self::$endpoint);
1010  	 	 $rest->setParameter('location', null);
1011  	 	 $rest = $rest->getResponse();
1012  	 	 if ($rest->error === false && $rest->code !== 200)
1013  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
1014  	 	 if ($rest->error !== false)
1015  	 	 {
1016  	 	 	 self::__triggerError(sprintf("S3::getBucketLocation({$bucket}): [%s] %s",
1017  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
1018  	 	 	 return false;
1019  	 	 }
1020  	 	 return (isset($rest->body[0]) && (string)$rest->body[0] !== '') ? (string)$rest->body[0] : 'US';
1021  	 }
1022  
1023  
1024  	 /**
1025  	 * Set object or bucket Access Control Policy
1026  	 *
1027  	 * @param string $bucket Bucket name
1028  	 * @param string $uri Object URI
1029  	 * @param array $acp Access Control Policy Data (same as the data returned from getAccessControlPolicy)
1030  	 * @return boolean
1031  	 */
1032  	public static function setAccessControlPolicy($bucket, $uri = '', $acp = array())
1033  	 {
1034  	 	 $dom = new DOMDocument;
1035  	 	 $dom->formatOutput = true;
1036  	 	 $accessControlPolicy = $dom->createElement('AccessControlPolicy');
1037  	 	 $accessControlList = $dom->createElement('AccessControlList');
1038  
1039  	 	 // It seems the owner has to be passed along too
1040  	 	 $owner = $dom->createElement('Owner');
1041  	 	 $owner->appendChild($dom->createElement('ID', $acp['owner']['id']));
1042  	 	 $owner->appendChild($dom->createElement('DisplayName', $acp['owner']['name']));
1043  	 	 $accessControlPolicy->appendChild($owner);
1044  
1045  	 	 foreach ($acp['acl'] as $g)
1046  	 	 {
1047  	 	 	 $grant = $dom->createElement('Grant');
1048  	 	 	 $grantee = $dom->createElement('Grantee');
1049  	 	 	 $grantee->setAttribute('xmlns:xsi', 'http://www.w3.org/2001/XMLSchema-instance');
1050  	 	 	 if (isset($g['id']))
1051  	 	 	 { // CanonicalUser (DisplayName is omitted)
1052  	 	 	 	 $grantee->setAttribute('xsi:type', 'CanonicalUser');
1053  	 	 	 	 $grantee->appendChild($dom->createElement('ID', $g['id']));
1054  	 	 	 }
1055  	 	 	 elseif (isset($g['email']))
1056  	 	 	 { // AmazonCustomerByEmail
1057  	 	 	 	 $grantee->setAttribute('xsi:type', 'AmazonCustomerByEmail');
1058  	 	 	 	 $grantee->appendChild($dom->createElement('EmailAddress', $g['email']));
1059  	 	 	 }
1060  	 	 	 elseif ($g['type'] == 'Group')
1061  	 	 	 { // Group
1062  	 	 	 	 $grantee->setAttribute('xsi:type', 'Group');
1063  	 	 	 	 $grantee->appendChild($dom->createElement('URI', $g['uri']));
1064  	 	 	 }
1065  	 	 	 $grant->appendChild($grantee);
1066  	 	 	 $grant->appendChild($dom->createElement('Permission', $g['permission']));
1067  	 	 	 $accessControlList->appendChild($grant);
1068  	 	 }
1069  
1070  	 	 $accessControlPolicy->appendChild($accessControlList);
1071  	 	 $dom->appendChild($accessControlPolicy);
1072  
1073  	 	 $rest = new S3Request('PUT', $bucket, $uri, self::$endpoint);
1074  	 	 $rest->setParameter('acl', null);
1075  	 	 $rest->data = $dom->saveXML();
1076  	 	 $rest->size = strlen($rest->data);
1077  	 	 $rest->setHeader('Content-Type', 'application/xml');
1078  	 	 $rest = $rest->getResponse();
1079  	 	 if ($rest->error === false && $rest->code !== 200)
1080  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
1081  	 	 if ($rest->error !== false)
1082  	 	 {
1083  	 	 	 self::__triggerError(sprintf("S3::setAccessControlPolicy({$bucket}, {$uri}): [%s] %s",
1084  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
1085  	 	 	 return false;
1086  	 	 }
1087  	 	 return true;
1088  	 }
1089  
1090  
1091  	 /**
1092  	 * Get object or bucket Access Control Policy
1093  	 *
1094  	 * @param string $bucket Bucket name
1095  	 * @param string $uri Object URI
1096  	 * @return mixed | false
1097  	 */
1098  	public static function getAccessControlPolicy($bucket, $uri = '')
1099  	 {
1100  	 	 $rest = new S3Request('GET', $bucket, $uri, self::$endpoint);
1101  	 	 $rest->setParameter('acl', null);
1102  	 	 $rest = $rest->getResponse();
1103  	 	 if ($rest->error === false && $rest->code !== 200)
1104  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
1105  	 	 if ($rest->error !== false)
1106  	 	 {
1107  	 	 	 self::__triggerError(sprintf("S3::getAccessControlPolicy({$bucket}, {$uri}): [%s] %s",
1108  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
1109  	 	 	 return false;
1110  	 	 }
1111  
1112  	 	 $acp = array();
1113  	 	 if (isset($rest->body->Owner, $rest->body->Owner->ID, $rest->body->Owner->DisplayName))
1114  	 	 	 $acp['owner'] = array(
1115  	 	 	 	 'id' => (string)$rest->body->Owner->ID, 'name' => (string)$rest->body->Owner->DisplayName
1116  	 	 	 );
1117  
1118  	 	 if (isset($rest->body->AccessControlList))
1119  	 	 {
1120  	 	 	 $acp['acl'] = array();
1121  	 	 	 foreach ($rest->body->AccessControlList->Grant as $grant)
1122  	 	 	 {
1123  	 	 	 	 foreach ($grant->Grantee as $grantee)
1124  	 	 	 	 {
1125  	 	 	 	 	 if (isset($grantee->ID, $grantee->DisplayName)) // CanonicalUser
1126  	 	 	 	 	 	 $acp['acl'][] = array(
1127  	 	 	 	 	 	 	 'type' => 'CanonicalUser',
1128  	 	 	 	 	 	 	 'id' => (string)$grantee->ID,
1129  	 	 	 	 	 	 	 'name' => (string)$grantee->DisplayName,
1130  	 	 	 	 	 	 	 'permission' => (string)$grant->Permission
1131  	 	 	 	 	 	 );
1132  	 	 	 	 	 elseif (isset($grantee->EmailAddress)) // AmazonCustomerByEmail
1133  	 	 	 	 	 	 $acp['acl'][] = array(
1134  	 	 	 	 	 	 	 'type' => 'AmazonCustomerByEmail',
1135  	 	 	 	 	 	 	 'email' => (string)$grantee->EmailAddress,
1136  	 	 	 	 	 	 	 'permission' => (string)$grant->Permission
1137  	 	 	 	 	 	 );
1138  	 	 	 	 	 elseif (isset($grantee->URI)) // Group
1139  	 	 	 	 	 	 $acp['acl'][] = array(
1140  	 	 	 	 	 	 	 'type' => 'Group',
1141  	 	 	 	 	 	 	 'uri' => (string)$grantee->URI,
1142  	 	 	 	 	 	 	 'permission' => (string)$grant->Permission
1143  	 	 	 	 	 	 );
1144  	 	 	 	 	 else continue;
1145  	 	 	 	 }
1146  	 	 	 }
1147  	 	 }
1148  	 	 return $acp;
1149  	 }
1150  
1151  
1152  	 /**
1153  	 * Delete an object
1154  	 *
1155  	 * @param string $bucket Bucket name
1156  	 * @param string $uri Object URI
1157  	 * @return boolean
1158  	 */
1159  	public static function deleteObject($bucket, $uri)
1160  	 {
1161  	 	 $rest = new S3Request('DELETE', $bucket, $uri, self::$endpoint);
1162  	 	 $rest = $rest->getResponse();
1163  	 	 if ($rest->error === false && $rest->code !== 204)
1164  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
1165  	 	 if ($rest->error !== false)
1166  	 	 {
1167  	 	 	 self::__triggerError(sprintf("S3::deleteObject(): [%s] %s",
1168  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
1169  	 	 	 return false;
1170  	 	 }
1171  	 	 return true;
1172  	 }
1173  
1174  
1175  	 /**
1176  	 * Get a query string authenticated URL
1177  	 *
1178  	 * @param string $bucket Bucket name
1179  	 * @param string $uri Object URI
1180  	 * @param integer $lifetime Lifetime in seconds
1181  	 * @param boolean $hostBucket Use the bucket name as the hostname
1182  	 * @param boolean $https Use HTTPS ($hostBucket should be false for SSL verification)
1183  	 * @return string
1184  	 */
1185  	public static function getAuthenticatedURL($bucket, $uri, $lifetime, $hostBucket = false, $https = false)
1186  	 {
1187  	 	 $expires = self::__getTime() + $lifetime;
1188  	 	 $uri = str_replace(array('%2F', '%2B'), array('/', '+'), rawurlencode($uri));
1189  	 	 return sprintf(($https ? 'https' : 'http').'://%s/%s?AWSAccessKeyId=%s&Expires=%u&Signature=%s',
1190  	 	 // $hostBucket ? $bucket : $bucket.'.s3.amazonaws.com', $uri, self::$__accessKey, $expires,
1191  	 	 $hostBucket ? $bucket : self::$endpoint.'/'.$bucket, $uri, self::$__accessKey, $expires,
1192  	 	 urlencode(self::__getHash("GET\n\n\n{$expires}\n/{$bucket}/{$uri}")));
1193  	 }
1194  
1195  
1196  	 /**
1197  	 * Get a CloudFront signed policy URL
1198  	 *
1199  	 * @param array $policy Policy
1200  	 * @return string
1201  	 */
1202  	public static function getSignedPolicyURL($policy)
1203  	 {
1204  	 	 $data = json_encode($policy);
1205  	 	 $signature = '';
1206  	 	 if (!openssl_sign($data, $signature, self::$__signingKeyResource)) return false;
1207  
1208  	 	 $encoded = str_replace(array('+', '='), array('-', '_', '~'), base64_encode($data));
1209  	 	 $signature = str_replace(array('+', '='), array('-', '_', '~'), base64_encode($signature));
1210  
1211  	 	 $url = $policy['Statement'][0]['Resource'] . '?';
1212  	 	 foreach (array('Policy' => $encoded, 'Signature' => $signature, 'Key-Pair-Id' => self::$__signingKeyPairId) as $k => $v)
1213  	 	 	 $url .= $k.'='.str_replace('%2F', '/', rawurlencode($v)).'&';
1214  	 	 return substr($url, 0, -1);
1215  	 }
1216  
1217  
1218  	 /**
1219  	 * Get a CloudFront canned policy URL
1220  	 *
1221  	 * @param string $url URL to sign
1222  	 * @param integer $lifetime URL lifetime
1223  	 * @return string
1224  	 */
1225  	public static function getSignedCannedURL($url, $lifetime)
1226  	 {
1227  	 	 return self::getSignedPolicyURL(array(
1228  	 	 	 'Statement' => array(
1229  	 	 	 	 array('Resource' => $url, 'Condition' => array(
1230  	 	 	 	 	 'DateLessThan' => array('AWS:EpochTime' => self::__getTime() + $lifetime)
1231  	 	 	 	 ))
1232  	 	 	 )
1233  	 	 ));
1234  	 }
1235  
1236  
1237  	 /**
1238  	 * Get upload POST parameters for form uploads
1239  	 *
1240  	 * @param string $bucket Bucket name
1241  	 * @param string $uriPrefix Object URI prefix
1242  	 * @param constant $acl ACL constant
1243  	 * @param integer $lifetime Lifetime in seconds
1244  	 * @param integer $maxFileSize Maximum filesize in bytes (default 5MB)
1245  	 * @param string $successRedirect Redirect URL or 200 / 201 status code
1246  	 * @param array $amzHeaders Array of x-amz-meta-* headers
1247  	 * @param array $headers Array of request headers or content type as a string
1248  	 * @param boolean $flashVars Includes additional "Filename" variable posted by Flash
1249  	 * @return object
1250  	 */
1251  	public static function getHttpUploadPostParams($bucket, $uriPrefix = '', $acl = self::ACL_PRIVATE, $lifetime = 3600,
1252  	 $maxFileSize = 5242880, $successRedirect = "201", $amzHeaders = array(), $headers = array(), $flashVars = false)
1253  	 {
1254  	 	 // Create policy object
1255  	 	 $policy = new stdClass;
1256  	 	 $policy->expiration = gmdate('Y-m-d\TH:i:s\Z', (self::__getTime() + $lifetime));
1257  	 	 $policy->conditions = array();
1258  	 	 $obj = new stdClass; $obj->bucket = $bucket; array_push($policy->conditions, $obj);
1259  	 	 $obj = new stdClass; $obj->acl = $acl; array_push($policy->conditions, $obj);
1260  
1261  	 	 $obj = new stdClass; // 200 for non-redirect uploads
1262  	 	 if (is_numeric($successRedirect) && in_array((int)$successRedirect, array(200, 201)))
1263  	 	 	 $obj->success_action_status = (string)$successRedirect;
1264  	 	 else // URL
1265  	 	 	 $obj->success_action_redirect = $successRedirect;
1266  	 	 array_push($policy->conditions, $obj);
1267  
1268  	 	 if ($acl !== self::ACL_PUBLIC_READ)
1269  	 	 	 array_push($policy->conditions, array('eq', '$acl', $acl));
1270  
1271  	 	 array_push($policy->conditions, array('starts-with', '$key', $uriPrefix));
1272  	 	 if ($flashVars) array_push($policy->conditions, array('starts-with', '$Filename', ''));
1273  	 	 foreach (array_keys($headers) as $headerKey)
1274  	 	 	 array_push($policy->conditions, array('starts-with', '$'.$headerKey, ''));
1275  	 	 foreach ($amzHeaders as $headerKey => $headerVal)
1276  	 	 {
1277  	 	 	 $obj = new stdClass;
1278  	 	 	 $obj->{$headerKey} = (string)$headerVal;
1279  	 	 	 array_push($policy->conditions, $obj);
1280  	 	 }
1281  	 	 array_push($policy->conditions, array('content-length-range', 0, $maxFileSize));
1282  	 	 $policy = base64_encode(str_replace('\/', '/', json_encode($policy)));
1283  
1284  	 	 // Create parameters
1285  	 	 $params = new stdClass;
1286  	 	 $params->AWSAccessKeyId = self::$__accessKey;
1287  	 	 $params->key = $uriPrefix.'$filename}';
1288  	 	 $params->acl = $acl;
1289  	 	 $params->policy = $policy; unset($policy);
1290  	 	 $params->signature = self::__getHash($params->policy);
1291  	 	 if (is_numeric($successRedirect) && in_array((int)$successRedirect, array(200, 201)))
1292  	 	 	 $params->success_action_status = (string)$successRedirect;
1293  	 	 else
1294  	 	 	 $params->success_action_redirect = $successRedirect;
1295  	 	 foreach ($headers as $headerKey => $headerVal) $params->{$headerKey} = (string)$headerVal;
1296  	 	 foreach ($amzHeaders as $headerKey => $headerVal) $params->{$headerKey} = (string)$headerVal;
1297  	 	 return $params;
1298  	 }
1299  
1300  
1301  	 /**
1302  	 * Create a CloudFront distribution
1303  	 *
1304  	 * @param string $bucket Bucket name
1305  	 * @param boolean $enabled Enabled (true/false)
1306  	 * @param array $cnames Array containing CNAME aliases
1307  	 * @param string $comment Use the bucket name as the hostname
1308  	 * @param string $defaultRootObject Default root object
1309  	 * @param string $originAccessIdentity Origin access identity
1310  	 * @param array $trustedSigners Array of trusted signers
1311  	 * @return array | false
1312  	 */
1313  	public static function createDistribution($bucket, $enabled = true, $cnames = array(), $comment = null, $defaultRootObject = null, $originAccessIdentity = null, $trustedSigners = array())
1314  	 {
1315  	 	 if (!extension_loaded('openssl'))
1316  	 	 {
1317  	 	 	 self::__triggerError(sprintf("S3::createDistribution({$bucket}, ".(int)$enabled.", [], '$comment'): %s",
1318  	 	 	 "CloudFront functionality requires SSL"), __FILE__, __LINE__);
1319  	 	 	 return false;
1320  	 	 }
1321  	 	 $useSSL = self::$useSSL;
1322  
1323  	 	 self::$useSSL = true; // CloudFront requires SSL
1324  	 	 $rest = new S3Request('POST', '', '2010-11-01/distribution', 'cloudfront.amazonaws.com');
1325  	 	 $rest->data = self::__getCloudFrontDistributionConfigXML(
1326  	 	 	 $bucket.'.s3.amazonaws.com',
1327  	 	 	 $enabled,
1328  	 	 	 (string)$comment,
1329  	 	 	 (string)microtime(true),
1330  	 	 	 $cnames,
1331  	 	 	 $defaultRootObject,
1332  	 	 	 $originAccessIdentity,
1333  	 	 	 $trustedSigners
1334  	 	 );
1335  
1336  	 	 $rest->size = strlen($rest->data);
1337  	 	 $rest->setHeader('Content-Type', 'application/xml');
1338  	 	 $rest = self::__getCloudFrontResponse($rest);
1339  
1340  	 	 self::$useSSL = $useSSL;
1341  
1342  	 	 if ($rest->error === false && $rest->code !== 201)
1343  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
1344  	 	 if ($rest->error !== false)
1345  	 	 {
1346  	 	 	 self::__triggerError(sprintf("S3::createDistribution({$bucket}, ".(int)$enabled.", [], '$comment'): [%s] %s",
1347  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
1348  	 	 	 return false;
1349  	 	 } elseif ($rest->body instanceof SimpleXMLElement)
1350  	 	 	 return self::__parseCloudFrontDistributionConfig($rest->body);
1351  	 	 return false;
1352  	 }
1353  
1354  
1355  	 /**
1356  	 * Get CloudFront distribution info
1357  	 *
1358  	 * @param string $distributionId Distribution ID from listDistributions()
1359  	 * @return array | false
1360  	 */
1361  	public static function getDistribution($distributionId)
1362  	 {
1363  	 	 if (!extension_loaded('openssl'))
1364  	 	 {
1365  	 	 	 self::__triggerError(sprintf("S3::getDistribution($distributionId): %s",
1366  	 	 	 "CloudFront functionality requires SSL"), __FILE__, __LINE__);
1367  	 	 	 return false;
1368  	 	 }
1369  	 	 $useSSL = self::$useSSL;
1370  
1371  	 	 self::$useSSL = true; // CloudFront requires SSL
1372  	 	 $rest = new S3Request('GET', '', '2010-11-01/distribution/'.$distributionId, 'cloudfront.amazonaws.com');
1373  	 	 $rest = self::__getCloudFrontResponse($rest);
1374  
1375  	 	 self::$useSSL = $useSSL;
1376  
1377  	 	 if ($rest->error === false && $rest->code !== 200)
1378  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
1379  	 	 if ($rest->error !== false)
1380  	 	 {
1381  	 	 	 self::__triggerError(sprintf("S3::getDistribution($distributionId): [%s] %s",
1382  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
1383  	 	 	 return false;
1384  	 	 }
1385  	 	 elseif ($rest->body instanceof SimpleXMLElement)
1386  	 	 {
1387  	 	 	 $dist = self::__parseCloudFrontDistributionConfig($rest->body);
1388  	 	 	 $dist['hash'] = $rest->headers['hash'];
1389  	 	 	 $dist['id'] = $distributionId;
1390  	 	 	 return $dist;
1391  	 	 }
1392  	 	 return false;
1393  	 }
1394  
1395  
1396  	 /**
1397  	 * Update a CloudFront distribution
1398  	 *
1399  	 * @param array $dist Distribution array info identical to output of getDistribution()
1400  	 * @return array | false
1401  	 */
1402  	public static function updateDistribution($dist)
1403  	 {
1404  	 	 if (!extension_loaded('openssl'))
1405  	 	 {
1406  	 	 	 self::__triggerError(sprintf("S3::updateDistribution({$dist['id']}): %s",
1407  	 	 	 "CloudFront functionality requires SSL"), __FILE__, __LINE__);
1408  	 	 	 return false;
1409  	 	 }
1410  
1411  	 	 $useSSL = self::$useSSL;
1412  
1413  	 	 self::$useSSL = true; // CloudFront requires SSL
1414  	 	 $rest = new S3Request('PUT', '', '2010-11-01/distribution/'.$dist['id'].'/config', 'cloudfront.amazonaws.com');
1415  	 	 $rest->data = self::__getCloudFrontDistributionConfigXML(
1416  	 	 	 $dist['origin'],
1417  	 	 	 $dist['enabled'],
1418  	 	 	 $dist['comment'],
1419  	 	 	 $dist['callerReference'],
1420  	 	 	 $dist['cnames'],
1421  	 	 	 $dist['defaultRootObject'],
1422  	 	 	 $dist['originAccessIdentity'],
1423  	 	 	 $dist['trustedSigners']
1424  	 	 );
1425  
1426  	 	 $rest->size = strlen($rest->data);
1427  	 	 $rest->setHeader('If-Match', $dist['hash']);
1428  	 	 $rest = self::__getCloudFrontResponse($rest);
1429  
1430  	 	 self::$useSSL = $useSSL;
1431  
1432  	 	 if ($rest->error === false && $rest->code !== 200)
1433  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
1434  	 	 if ($rest->error !== false)
1435  	 	 {
1436  	 	 	 self::__triggerError(sprintf("S3::updateDistribution({$dist['id']}): [%s] %s",
1437  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
1438  	 	 	 return false;
1439  	 	 } else {
1440  	 	 	 $dist = self::__parseCloudFrontDistributionConfig($rest->body);
1441  	 	 	 $dist['hash'] = $rest->headers['hash'];
1442  	 	 	 return $dist;
1443  	 	 }
1444  	 	 return false;
1445  	 }
1446  
1447  
1448  	 /**
1449  	 * Delete a CloudFront distribution
1450  	 *
1451  	 * @param array $dist Distribution array info identical to output of getDistribution()
1452  	 * @return boolean
1453  	 */
1454  	public static function deleteDistribution($dist)
1455  	 {
1456  	 	 if (!extension_loaded('openssl'))
1457  	 	 {
1458  	 	 	 self::__triggerError(sprintf("S3::deleteDistribution({$dist['id']}): %s",
1459  	 	 	 "CloudFront functionality requires SSL"), __FILE__, __LINE__);
1460  	 	 	 return false;
1461  	 	 }
1462  
1463  	 	 $useSSL = self::$useSSL;
1464  
1465  	 	 self::$useSSL = true; // CloudFront requires SSL
1466  	 	 $rest = new S3Request('DELETE', '', '2008-06-30/distribution/'.$dist['id'], 'cloudfront.amazonaws.com');
1467  	 	 $rest->setHeader('If-Match', $dist['hash']);
1468  	 	 $rest = self::__getCloudFrontResponse($rest);
1469  
1470  	 	 self::$useSSL = $useSSL;
1471  
1472  	 	 if ($rest->error === false && $rest->code !== 204)
1473  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
1474  	 	 if ($rest->error !== false)
1475  	 	 {
1476  	 	 	 self::__triggerError(sprintf("S3::deleteDistribution({$dist['id']}): [%s] %s",
1477  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
1478  	 	 	 return false;
1479  	 	 }
1480  	 	 return true;
1481  	 }
1482  
1483  
1484  	 /**
1485  	 * Get a list of CloudFront distributions
1486  	 *
1487  	 * @return array
1488  	 */
1489  	public static function listDistributions()
1490  	 {
1491  	 	 if (!extension_loaded('openssl'))
1492  	 	 {
1493  	 	 	 self::__triggerError(sprintf("S3::listDistributions(): [%s] %s",
1494  	 	 	 "CloudFront functionality requires SSL"), __FILE__, __LINE__);
1495  	 	 	 return false;
1496  	 	 }
1497  
1498  	 	 $useSSL = self::$useSSL;
1499  	 	 self::$useSSL = true; // CloudFront requires SSL
1500  	 	 $rest = new S3Request('GET', '', '2010-11-01/distribution', 'cloudfront.amazonaws.com');
1501  	 	 $rest = self::__getCloudFrontResponse($rest);
1502  	 	 self::$useSSL = $useSSL;
1503  
1504  	 	 if ($rest->error === false && $rest->code !== 200)
1505  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
1506  	 	 if ($rest->error !== false)
1507  	 	 {
1508  	 	 	 self::__triggerError(sprintf("S3::listDistributions(): [%s] %s",
1509  	 	 	 $rest->error['code'], $rest->error['message']), __FILE__, __LINE__);
1510  	 	 	 return false;
1511  	 	 }
1512  	 	 elseif ($rest->body instanceof SimpleXMLElement && isset($rest->body->DistributionSummary))
1513  	 	 {
1514  	 	 	 $list = array();
1515  	 	 	 if (isset($rest->body->Marker, $rest->body->MaxItems, $rest->body->IsTruncated))
1516  	 	 	 {
1517  	 	 	 	 //$info['marker'] = (string)$rest->body->Marker;
1518  	 	 	 	 //$info['maxItems'] = (int)$rest->body->MaxItems;
1519  	 	 	 	 //$info['isTruncated'] = (string)$rest->body->IsTruncated == 'true' ? true : false;
1520  	 	 	 }
1521  	 	 	 foreach ($rest->body->DistributionSummary as $summary)
1522  	 	 	 	 $list[(string)$summary->Id] = self::__parseCloudFrontDistributionConfig($summary);
1523  
1524  	 	 	 return $list;
1525  	 	 }
1526  	 	 return array();
1527  	 }
1528  
1529  	 /**
1530  	 * List CloudFront Origin Access Identities
1531  	 *
1532  	 * @return array
1533  	 */
1534  	public static function listOriginAccessIdentities()
1535  	 {
1536  	 	 if (!extension_loaded('openssl'))
1537  	 	 {
1538  	 	 	 self::__triggerError(sprintf("S3::listOriginAccessIdentities(): [%s] %s",
1539  	 	 	 "CloudFront functionality requires SSL"), __FILE__, __LINE__);
1540  	 	 	 return false;
1541  	 	 }
1542  
1543  	 	 self::$useSSL = true; // CloudFront requires SSL
1544  	 	 $rest = new S3Request('GET', '', '2010-11-01/origin-access-identity/cloudfront', 'cloudfront.amazonaws.com');
1545  	 	 $rest = self::__getCloudFrontResponse($rest);
1546  	 	 $useSSL = self::$useSSL;
1547  
1548  	 	 if ($rest->error === false && $rest->code !== 200)
1549  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
1550  	 	 if ($rest->error !== false)
1551  	 	 {
1552  	 	 	 trigger_error(sprintf("S3::listOriginAccessIdentities(): [%s] %s",
1553  	 	 	 $rest->error['code'], $rest->error['message']), E_USER_WARNING);
1554  	 	 	 return false;
1555  	 	 }
1556  
1557  	 	 if (isset($rest->body->CloudFrontOriginAccessIdentitySummary))
1558  	 	 {
1559  	 	 	 $identities = array();
1560  	 	 	 foreach ($rest->body->CloudFrontOriginAccessIdentitySummary as $identity)
1561  	 	 	 	 if (isset($identity->S3CanonicalUserId))
1562  	 	 	 	 	 $identities[(string)$identity->Id] = array('id' => (string)$identity->Id, 's3CanonicalUserId' => (string)$identity->S3CanonicalUserId);
1563  	 	 	 return $identities;
1564  	 	 }
1565  	 	 return false;
1566  	 }
1567  
1568  
1569  	 /**
1570  	 * Invalidate objects in a CloudFront distribution
1571  	 *
1572  	 * Thanks to Martin Lindkvist for S3::invalidateDistribution()
1573  	 *
1574  	 * @param string $distributionId Distribution ID from listDistributions()
1575  	 * @param array $paths Array of object paths to invalidate
1576  	 * @return boolean
1577  	 */
1578  	public static function invalidateDistribution($distributionId, $paths)
1579  	 {
1580  	 	 if (!extension_loaded('openssl'))
1581  	 	 {
1582  	 	 	 self::__triggerError(sprintf("S3::invalidateDistribution(): [%s] %s",
1583  	 	 	 "CloudFront functionality requires SSL"), __FILE__, __LINE__);
1584  	 	 	 return false;
1585  	 	 }
1586  
1587  	 	 $useSSL = self::$useSSL;
1588  	 	 self::$useSSL = true; // CloudFront requires SSL
1589  	 	 $rest = new S3Request('POST', '', '2010-08-01/distribution/'.$distributionId.'/invalidation', 'cloudfront.amazonaws.com');
1590  	 	 $rest->data = self::__getCloudFrontInvalidationBatchXML($paths, (string)microtime(true));
1591  	 	 $rest->size = strlen($rest->data);
1592  	 	 $rest = self::__getCloudFrontResponse($rest);
1593  	 	 self::$useSSL = $useSSL;
1594  
1595  	 	 if ($rest->error === false && $rest->code !== 201)
1596  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
1597  	 	 if ($rest->error !== false)
1598  	 	 {
1599  	 	 	 trigger_error(sprintf("S3::invalidate('{$distributionId}',{$paths}): [%s] %s",
1600  	 	 	 $rest->error['code'], $rest->error['message']), E_USER_WARNING);
1601  	 	 	 return false;
1602  	 	 }
1603  	 	 return true;
1604  	 }
1605  
1606  
1607  	 /**
1608  	 * Get a InvalidationBatch DOMDocument
1609  	 *
1610  	 * @internal Used to create XML in invalidateDistribution()
1611  	 * @param array $paths Paths to objects to invalidateDistribution
1612  	 * @param int $callerReference
1613  	 * @return string
1614  	 */
1615  	private static function __getCloudFrontInvalidationBatchXML($paths, $callerReference = '0')
1616  	 {
1617  	 	 $dom = new DOMDocument('1.0', 'UTF-8');
1618  	 	 $dom->formatOutput = true;
1619  	 	 $invalidationBatch = $dom->createElement('InvalidationBatch');
1620  	 	 foreach ($paths as $path)
1621  	 	 	 $invalidationBatch->appendChild($dom->createElement('Path', $path));
1622  
1623  	 	 $invalidationBatch->appendChild($dom->createElement('CallerReference', $callerReference));
1624  	 	 $dom->appendChild($invalidationBatch);
1625  	 	 return $dom->saveXML();
1626  	 }
1627  
1628  
1629  	 /**
1630  	 * List your invalidation batches for invalidateDistribution() in a CloudFront distribution
1631  	 *
1632  	 * http://docs.amazonwebservices.com/AmazonCloudFront/latest/APIReference/ListInvalidation.html
1633  	 * returned array looks like this:
1634  	 *	 Array
1635  	 *	 (
1636  	 *	 	 [I31TWB0CN9V6XD] => InProgress
1637  	 *	 	 [IT3TFE31M0IHZ] => Completed
1638  	 *	 	 [I12HK7MPO1UQDA] => Completed
1639  	 *	 	 [I1IA7R6JKTC3L2] => Completed
1640  	 *	 )
1641  	 *
1642  	 * @param string $distributionId Distribution ID from listDistributions()
1643  	 * @return array
1644  	 */
1645  	public static function getDistributionInvalidationList($distributionId)
1646  	 {
1647  	 	 if (!extension_loaded('openssl'))
1648  	 	 {
1649  	 	 	 self::__triggerError(sprintf("S3::getDistributionInvalidationList(): [%s] %s",
1650  	 	 	 "CloudFront functionality requires SSL"), __FILE__, __LINE__);
1651  	 	 	 return false;
1652  	 	 }
1653  
1654  	 	 $useSSL = self::$useSSL;
1655  	 	 self::$useSSL = true; // CloudFront requires SSL
1656  	 	 $rest = new S3Request('GET', '', '2010-11-01/distribution/'.$distributionId.'/invalidation', 'cloudfront.amazonaws.com');
1657  	 	 $rest = self::__getCloudFrontResponse($rest);
1658  	 	 self::$useSSL = $useSSL;
1659  
1660  	 	 if ($rest->error === false && $rest->code !== 200)
1661  	 	 	 $rest->error = array('code' => $rest->code, 'message' => 'Unexpected HTTP status');
1662  	 	 if ($rest->error !== false)
1663  	 	 {
1664  	 	 	 trigger_error(sprintf("S3::getDistributionInvalidationList('{$distributionId}'): [%s]",
1665  	 	 	 $rest->error['code'], $rest->error['message']), E_USER_WARNING);
1666  	 	 	 return false;
1667  	 	 }
1668  	 	 elseif ($rest->body instanceof SimpleXMLElement && isset($rest->body->InvalidationSummary))
1669  	 	 {
1670  	 	 	 $list = array();
1671  	 	 	 foreach ($rest->body->InvalidationSummary as $summary)
1672  	 	 	 	 $list[(string)$summary->Id] = (string)$summary->Status;
1673  
1674  	 	 	 return $list;
1675  	 	 }
1676  	 	 return array();
1677  	 }
1678  
1679  
1680  	 /**
1681  	 * Get a DistributionConfig DOMDocument
1682  	 *
1683  	 * http://docs.amazonwebservices.com/AmazonCloudFront/latest/APIReference/index.html?PutConfig.html
1684  	 *
1685  	 * @internal Used to create XML in createDistribution() and updateDistribution()
1686  	 * @param string $bucket S3 Origin bucket
1687  	 * @param boolean $enabled Enabled (true/false)
1688  	 * @param string $comment Comment to append
1689  	 * @param string $callerReference Caller reference
1690  	 * @param array $cnames Array of CNAME aliases
1691  	 * @param string $defaultRootObject Default root object
1692  	 * @param string $originAccessIdentity Origin access identity
1693  	 * @param array $trustedSigners Array of trusted signers
1694  	 * @return string
1695  	 */
1696  	private static function __getCloudFrontDistributionConfigXML($bucket, $enabled, $comment, $callerReference = '0', $cnames = array(), $defaultRootObject = null, $originAccessIdentity = null, $trustedSigners = array())
1697  	 {
1698  	 	 $dom = new DOMDocument('1.0', 'UTF-8');
1699  	 	 $dom->formatOutput = true;
1700  	 	 $distributionConfig = $dom->createElement('DistributionConfig');
1701  	 	 $distributionConfig->setAttribute('xmlns', 'http://cloudfront.amazonaws.com/doc/2010-11-01/');
1702  
1703  	 	 $origin = $dom->createElement('S3Origin');
1704  	 	 $origin->appendChild($dom->createElement('DNSName', $bucket));
1705  	 	 if ($originAccessIdentity !== null) $origin->appendChild($dom->createElement('OriginAccessIdentity', $originAccessIdentity));
1706  	 	 $distributionConfig->appendChild($origin);
1707  
1708  	 	 if ($defaultRootObject !== null) $distributionConfig->appendChild($dom->createElement('DefaultRootObject', $defaultRootObject));
1709  
1710  	 	 $distributionConfig->appendChild($dom->createElement('CallerReference', $callerReference));
1711  	 	 foreach ($cnames as $cname)
1712  	 	 	 $distributionConfig->appendChild($dom->createElement('CNAME', $cname));
1713  	 	 if ($comment !== '') $distributionConfig->appendChild($dom->createElement('Comment', $comment));
1714  	 	 $distributionConfig->appendChild($dom->createElement('Enabled', $enabled ? 'true' : 'false'));
1715  
1716  	 	 $trusted = $dom->createElement('TrustedSigners');
1717  	 	 foreach ($trustedSigners as $id => $type)
1718  	 	 	 $trusted->appendChild($id !== '' ? $dom->createElement($type, $id) : $dom->createElement($type));
1719  	 	 $distributionConfig->appendChild($trusted);
1720  
1721  	 	 $dom->appendChild($distributionConfig);
1722  	 	 //var_dump($dom->saveXML());
1723  	 	 return $dom->saveXML();
1724  	 }
1725  
1726  
1727  	 /**
1728  	 * Parse a CloudFront distribution config
1729  	 *
1730  	 * See http://docs.amazonwebservices.com/AmazonCloudFront/latest/APIReference/index.html?GetDistribution.html
1731  	 *
1732  	 * @internal Used to parse the CloudFront DistributionConfig node to an array
1733  	 * @param object &$node DOMNode
1734  	 * @return array
1735  	 */
1736  	private static function __parseCloudFrontDistributionConfig(&$node)
1737  	 {
1738  	 	 if (isset($node->DistributionConfig))
1739  	 	 	 return self::__parseCloudFrontDistributionConfig($node->DistributionConfig);
1740  
1741  	 	 $dist = array();
1742  	 	 if (isset($node->Id, $node->Status, $node->LastModifiedTime, $node->DomainName))
1743  	 	 {
1744  	 	 	 $dist['id'] = (string)$node->Id;
1745  	 	 	 $dist['status'] = (string)$node->Status;
1746  	 	 	 $dist['time'] = strtotime((string)$node->LastModifiedTime);
1747  	 	 	 $dist['domain'] = (string)$node->DomainName;
1748  	 	 }
1749  
1750  	 	 if (isset($node->CallerReference))
1751  	 	 	 $dist['callerReference'] = (string)$node->CallerReference;
1752  
1753  	 	 if (isset($node->Enabled))
1754  	 	 	 $dist['enabled'] = (string)$node->Enabled == 'true' ? true : false;
1755  
1756  	 	 if (isset($node->S3Origin))
1757  	 	 {
1758  	 	 	 if (isset($node->S3Origin->DNSName))
1759  	 	 	 	 $dist['origin'] = (string)$node->S3Origin->DNSName;
1760  
1761  	 	 	 $dist['originAccessIdentity'] = isset($node->S3Origin->OriginAccessIdentity) ?
1762  	 	 	 (string)$node->S3Origin->OriginAccessIdentity : null;
1763  	 	 }
1764  
1765  	 	 $dist['defaultRootObject'] = isset($node->DefaultRootObject) ? (string)$node->DefaultRootObject : null;
1766  
1767  	 	 $dist['cnames'] = array();
1768  	 	 if (isset($node->CNAME))
1769  	 	 	 foreach ($node->CNAME as $cname)
1770  	 	 	 	 $dist['cnames'][(string)$cname] = (string)$cname;
1771  
1772  	 	 $dist['trustedSigners'] = array();
1773  	 	 if (isset($node->TrustedSigners))
1774  	 	 	 foreach ($node->TrustedSigners as $signer)
1775  	 	 	 {
1776  	 	 	 	 if (isset($signer->Self))
1777  	 	 	 	 	 $dist['trustedSigners'][''] = 'Self';
1778  	 	 	 	 elseif (isset($signer->KeyPairId))
1779  	 	 	 	 	 $dist['trustedSigners'][(string)$signer->KeyPairId] = 'KeyPairId';
1780  	 	 	 	 elseif (isset($signer->AwsAccountNumber))
1781  	 	 	 	 	 $dist['trustedSigners'][(string)$signer->AwsAccountNumber] = 'AwsAccountNumber';
1782  	 	 	 }
1783  
1784  	 	 $dist['comment'] = isset($node->Comment) ? (string)$node->Comment : null;
1785  	 	 return $dist;
1786  	 }
1787  
1788  
1789  	 /**
1790  	 * Grab CloudFront response
1791  	 *
1792  	 * @internal Used to parse the CloudFront S3Request::getResponse() output
1793  	 * @param object &$rest S3Request instance
1794  	 * @return object
1795  	 */
1796  	private static function __getCloudFrontResponse(&$rest)
1797  	 {
1798  	 	 $rest->getResponse();
1799  	 	 if ($rest->response->error === false && isset($rest->response->body) &&
1800  	 	 is_string($rest->response->body) && substr($rest->response->body, 0, 5) == '<?xml')
1801  	 	 {
1802  	 	 	 $rest->response->body = simplexml_load_string($rest->response->body);
1803  	 	 	 // Grab CloudFront errors
1804  	 	 	 if (isset($rest->response->body->Error, $rest->response->body->Error->Code,
1805  	 	 	 $rest->response->body->Error->Message))
1806  	 	 	 {
1807  	 	 	 	 $rest->response->error = array(
1808  	 	 	 	 	 'code' => (string)$rest->response->body->Error->Code,
1809  	 	 	 	 	 'message' => (string)$rest->response->body->Error->Message
1810  	 	 	 	 );
1811  	 	 	 	 unset($rest->response->body);
1812  	 	 	 }
1813  	 	 }
1814  	 	 return $rest->response;
1815  	 }
1816  
1817  
1818  	 /**
1819  	 * Get MIME type for file
1820  	 *
1821  	 * To override the putObject() Content-Type, add it to $requestHeaders
1822  	 *
1823  	 * To use fileinfo, ensure the MAGIC environment variable is set
1824  	 *
1825  	 * @internal Used to get mime types
1826  	 * @param string &$file File path
1827  	 * @return string
1828  	 */
1829  	private static function __getMIMEType(&$file)
1830  	 {
1831  	 	 static $exts = array(
1832  	 	 	 'jpg' => 'image/jpeg', 'jpeg' => 'image/jpeg', 'gif' => 'image/gif',
1833  	 	 	 'png' => 'image/png', 'ico' => 'image/x-icon', 'pdf' => 'application/pdf',
1834  	 	 	 'tif' => 'image/tiff', 'tiff' => 'image/tiff', 'svg' => 'image/svg+xml',
1835  	 	 	 'svgz' => 'image/svg+xml', 'swf' => 'application/x-shockwave-flash', 
1836  	 	 	 'zip' => 'application/zip', 'gz' => 'application/x-gzip',
1837  	 	 	 'tar' => 'application/x-tar', 'bz' => 'application/x-bzip',
1838  	 	 	 'bz2' => 'application/x-bzip2',  'rar' => 'application/x-rar-compressed',
1839  	 	 	 'exe' => 'application/x-msdownload', 'msi' => 'application/x-msdownload',
1840  	 	 	 'cab' => 'application/vnd.ms-cab-compressed', 'txt' => 'text/plain',
1841  	 	 	 'asc' => 'text/plain', 'htm' => 'text/html', 'html' => 'text/html',
1842  	 	 	 'css' => 'text/css', 'js' => 'text/javascript',
1843  	 	 	 'xml' => 'text/xml', 'xsl' => 'application/xsl+xml',
1844  	 	 	 'ogg' => 'application/ogg', 'mp3' => 'audio/mpeg', 'wav' => 'audio/x-wav',
1845  	 	 	 'avi' => 'video/x-msvideo', 'mpg' => 'video/mpeg', 'mpeg' => 'video/mpeg',
1846  	 	 	 'mov' => 'video/quicktime', 'flv' => 'video/x-flv', 'php' => 'text/x-php'
1847  	 	 );
1848  
1849  	 	 $ext = strtolower(pathinfo($file, PATHINFO_EXTENSION));
1850  	 	 if (isset($exts[$ext])) return $exts[$ext];
1851  
1852  	 	 // Use fileinfo if available
1853  	 	 if (extension_loaded('fileinfo') && isset($_ENV['MAGIC']) &&
1854  	 	 ($finfo = finfo_open(FILEINFO_MIME, $_ENV['MAGIC'])) !== false)
1855  	 	 {
1856  	 	 	 if (($type = finfo_file($finfo, $file)) !== false)
1857  	 	 	 {
1858  	 	 	 	 // Remove the charset and grab the last content-type
1859  	 	 	 	 $type = explode(' ', str_replace('; charset=', ';charset=', $type));
1860  	 	 	 	 $type = array_pop($type);
1861  	 	 	 	 $type = explode(';', $type);
1862  	 	 	 	 $type = trim(array_shift($type));
1863  	 	 	 }
1864  	 	 	 finfo_close($finfo);
1865  	 	 	 if ($type !== false && strlen($type) > 0) return $type;
1866  	 	 }
1867  
1868  	 	 return 'application/octet-stream';
1869  	 }
1870  
1871  
1872  	 /**
1873  	 * Get the current time
1874  	 *
1875  	 * @internal Used to apply offsets to sytem time
1876  	 * @return integer
1877  	 */
1878  	public static function __getTime()
1879  	 {
1880  	 	 return time() + self::$__timeOffset;
1881  	 }
1882  
1883  
1884  	 /**
1885  	 * Generate the auth string: "AWS AccessKey:Signature"
1886  	 *
1887  	 * @internal Used by S3Request::getResponse()
1888  	 * @param string $string String to sign
1889  	 * @return string
1890  	 */
1891  	public static function __getSignature($string)
1892  	 {
1893  	 	 return 'AWS '.self::$__accessKey.':'.self::__getHash($string);
1894  	 }
1895  
1896  
1897  	 /**
1898  	 * Creates a HMAC-SHA1 hash
1899  	 *
1900  	 * This uses the hash extension if loaded
1901  	 *
1902  	 * @internal Used by __getSignature()
1903  	 * @param string $string String to sign
1904  	 * @return string
1905  	 */
1906  	private static function __getHash($string)
1907  	 {
1908  	 	 return base64_encode(extension_loaded('hash') ?
1909  	 	 hash_hmac('sha1', $string, self::$__secretKey, true) : pack('H*', sha1(
1910  	 	 (str_pad(self::$__secretKey, 64, chr(0x00)) ^ (str_repeat(chr(0x5c), 64))) .
1911  	 	 pack('H*', sha1((str_pad(self::$__secretKey, 64, chr(0x00)) ^
1912  	 	 (str_repeat(chr(0x36), 64))) . $string)))));
1913  	 }
1914  
1915  }
1916  
1917  /**
1918   * S3 Request class 
1919   *
1920   * @link http://undesigned.org.za/2007/10/22/amazon-s3-php-class
1921   * @version 0.5.0-dev
1922   */
1923  final class S3Request
1924  {
1925  	 /**
1926  	  * AWS URI
1927  	  *
1928  	  * @var string
1929  	  * @access pricate
1930  	  */
1931  	 private $endpoint;
1932  	 
1933  	 /**
1934  	  * Verb
1935  	  *
1936  	  * @var string
1937  	  * @access private
1938  	  */
1939  	 private $verb;
1940  	 
1941  	 /**
1942  	  * S3 bucket name
1943  	  *
1944  	  * @var string
1945  	  * @access private
1946  	  */
1947  	 private $bucket;
1948  	 
1949  	 /**
1950  	  * Object URI
1951  	  *
1952  	  * @var string
1953  	  * @access private
1954  	  */
1955  	 private $uri;
1956  	 
1957  	 /**
1958  	  * Final object URI
1959  	  *
1960  	  * @var string
1961  	  * @access private
1962  	  */
1963  	 private $resource = '';
1964  	 
1965  	 /**
1966  	  * Additional request parameters
1967  	  *
1968  	  * @var array
1969  	  * @access private
1970  	  */
1971  	 private $parameters = array();
1972  	 
1973  	 /**
1974  	  * Amazon specific request headers
1975  	  *
1976  	  * @var array
1977  	  * @access private
1978  	  */
1979  	 private $amzHeaders = array();
1980  
1981  	 /**
1982  	  * HTTP request headers
1983  	  *
1984  	  * @var array
1985  	  * @access private
1986  	  */
1987  	 private $headers = array(
1988  	 	 'Host' => '', 'Date' => '', 'Content-MD5' => '', 'Content-Type' => ''
1989  	 );
1990  
1991  	 /**
1992  	  * Use HTTP PUT?
1993  	  *
1994  	  * @var bool
1995  	  * @access public
1996  	  */
1997  	 public $fp = false;
1998  
1999  	 /**
2000  	  * PUT file size
2001  	  *
2002  	  * @var int
2003  	  * @access public
2004  	  */
2005  	 public $size = 0;
2006  
2007  	 /**
2008  	  * PUT post fields
2009  	  *
2010  	  * @var array
2011  	  * @access public
2012  	  */
2013  	 public $data = false;
2014  
2015  	 /**
2016  	  * S3 request respone
2017  	  *
2018  	  * @var object
2019  	  * @access public
2020  	  */
2021  	 public $response;
2022  
2023  
2024  	 /**
2025  	 * Constructor
2026  	 *
2027  	 * @param string $verb Verb
2028  	 * @param string $bucket Bucket name
2029  	 * @param string $uri Object URI
2030  	 * @param string $endpoint AWS endpoint URI
2031  	 * @return mixed
2032  	 */
2033  	function __construct($verb, $bucket = '', $uri = '', $endpoint = 's3.amazonaws.com')
2034  	 {
2035  	 	 
2036  	 	 $this->endpoint = $endpoint;
2037  	 	 $this->verb = $verb;
2038  	 	 $this->bucket = $bucket;
2039  	 	 $this->uri = $uri !== '' ? '/'.str_replace('%2F', '/', rawurlencode($uri)) : '/';
2040  
2041  	 	 //if ($this->bucket !== '')
2042  	 	 //	 $this->resource = '/'.$this->bucket.$this->uri;
2043  	 	 //else
2044  	 	 //	 $this->resource = $this->uri;
2045  
2046  	 	 if ($this->bucket !== '')
2047  	 	 {
2048  	 	 	 if ($this->__dnsBucketName($this->bucket))
2049  	 	 	 {
2050  	 	 	 	 $this->headers['Host'] = $this->bucket.'.'.$this->endpoint;
2051  	 	 	 	 $this->resource = '/'.$this->bucket.$this->uri;
2052  	 	 	 }
2053  	 	 	 else
2054  	 	 	 {
2055  	 	 	 	 $this->headers['Host'] = $this->endpoint;
2056  	 	 	 	 $this->uri = $this->uri;
2057  	 	 	 	 if ($this->bucket !== '') $this->uri = '/'.$this->bucket.$this->uri;
2058  	 	 	 	 $this->bucket = '';
2059  	 	 	 	 $this->resource = $this->uri;
2060  	 	 	 }
2061  	 	 }
2062  	 	 else
2063  	 	 {
2064  	 	 	 $this->headers['Host'] = $this->endpoint;
2065  	 	 	 $this->resource = $this->uri;
2066  	 	 }
2067  
2068  
2069  	 	 $this->headers['Date'] = gmdate('D, d M Y H:i:s T');
2070  	 	 $this->response = new STDClass;
2071  	 	 $this->response->error = false;
2072  	 	 $this->response->body = null;
2073  	 	 $this->response->headers = array();
2074  	 }
2075  
2076  
2077  	 /**
2078  	 * Set request parameter
2079  	 *
2080  	 * @param string $key Key
2081  	 * @param string $value Value
2082  	 * @return void
2083  	 */
2084  	public function setParameter($key, $value)
2085  	 {
2086  	 	 $this->parameters[$key] = $value;
2087  	 }
2088  
2089  
2090  	 /**
2091  	 * Set request header
2092  	 *
2093  	 * @param string $key Key
2094  	 * @param string $value Value
2095  	 * @return void
2096  	 */
2097  	public function setHeader($key, $value)
2098  	 {
2099  	 	 $this->headers[$key] = $value;
2100  	 }
2101  
2102  
2103  	 /**
2104  	 * Set x-amz-meta-* header
2105  	 *
2106  	 * @param string $key Key
2107  	 * @param string $value Value
2108  	 * @return void
2109  	 */
2110  	public function setAmzHeader($key, $value)
2111  	 {
2112  	 	 $this->amzHeaders[$key] = $value;
2113  	 }
2114  
2115  
2116  	 /**
2117  	 * Get the S3 response
2118  	 *
2119  	 * @return object | false
2120  	 */
2121  	public function getResponse()
2122  	 {
2123  	 	 $query = '';
2124  	 	 if (sizeof($this->parameters) > 0)
2125  	 	 {
2126  	 	 	 $query = substr($this->uri, -1) !== '?' ? '?' : '&';
2127  	 	 	 foreach ($this->parameters as $var => $value)
2128  	 	 	 	 if ($value == null || $value == '') $query .= $var.'&';
2129  	 	 	 	 else $query .= $var.'='.rawurlencode($value).'&';
2130  	 	 	 $query = substr($query, 0, -1);
2131  	 	 	 $this->uri .= $query;
2132  
2133  	 	 	 if (array_key_exists('acl', $this->parameters) ||
2134  	 	 	 array_key_exists('location', $this->parameters) ||
2135  	 	 	 array_key_exists('torrent', $this->parameters) ||
2136  	 	 	 array_key_exists('website', $this->parameters) ||
2137  	 	 	 array_key_exists('logging', $this->parameters))
2138  	 	 	 	 $this->resource .= $query;
2139  	 	 }
2140  	 	 $url = (S3::$useSSL ? 'https://' : 'http://') . ($this->headers['Host'] !== '' ? $this->headers['Host'] : $this->endpoint) . $this->uri;
2141  
2142  	 	 //var_dump('bucket: ' . $this->bucket, 'uri: ' . $this->uri, 'resource: ' . $this->resource, 'url: ' . $url);
2143  
2144  	 	 // Basic setup
2145  	 	 $curl = curl_init();
2146  	 	 curl_setopt($curl, CURLOPT_USERAGENT, 'S3/php');
2147  
2148  	 	 if (S3::$useSSL)
2149  	 	 {
2150  	 	 	 // Set protocol version
2151  	 	 	 curl_setopt($curl, CURLOPT_SSLVERSION, S3::$useSSLVersion);
2152  
2153  	 	 	 // SSL Validation can now be optional for those with broken OpenSSL installations
2154  	 	 	 curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, S3::$useSSLValidation ? 2 : 0);
2155  	 	 	 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, S3::$useSSLValidation ? 1 : 0);
2156  
2157  	 	 	 if (S3::$sslKey !== null) curl_setopt($curl, CURLOPT_SSLKEY, S3::$sslKey);
2158  	 	 	 if (S3::$sslCert !== null) curl_setopt($curl, CURLOPT_SSLCERT, S3::$sslCert);
2159  	 	 	 if (S3::$sslCACert !== null) curl_setopt($curl, CURLOPT_CAINFO, S3::$sslCACert);
2160  	 	 }
2161  
2162  	 	 curl_setopt($curl, CURLOPT_URL, $url);
2163  
2164  	 	 if (S3::$proxy != null && isset(S3::$proxy['host']))
2165  	 	 {
2166  	 	 	 curl_setopt($curl, CURLOPT_PROXY, S3::$proxy['host']);
2167  	 	 	 curl_setopt($curl, CURLOPT_PROXYTYPE, S3::$proxy['type']);
2168  	 	 	 if (isset(S3::$proxy['user'], S3::$proxy['pass']) && S3::$proxy['user'] != null && S3::$proxy['pass'] != null)
2169  	 	 	 	 curl_setopt($curl, CURLOPT_PROXYUSERPWD, sprintf('%s:%s', S3::$proxy['user'], S3::$proxy['pass']));
2170  	 	 }
2171  
2172  	 	 // Headers
2173  	 	 $headers = array(); $amz = array();
2174  	 	 foreach ($this->amzHeaders as $header => $value)
2175  	 	 	 if (strlen($value) > 0) $headers[] = $header.': '.$value;
2176  	 	 foreach ($this->headers as $header => $value)
2177  	 	 	 if (strlen($value) > 0) $headers[] = $header.': '.$value;
2178  
2179  	 	 // Collect AMZ headers for signature
2180  	 	 foreach ($this->amzHeaders as $header => $value)
2181  	 	 	 if (strlen($value) > 0) $amz[] = strtolower($header).':'.$value;
2182  
2183  	 	 // AMZ headers must be sorted
2184  	 	 if (sizeof($amz) > 0)
2185  	 	 {
2186  	 	 	 //sort($amz);
2187  	 	 	 usort($amz, array(&$this, '__sortMetaHeadersCmp'));
2188  	 	 	 $amz = "\n".implode("\n", $amz);
2189  	 	 } else $amz = '';
2190  
2191  	 	 if (S3::hasAuth())
2192  	 	 {
2193  	 	 	 // Authorization string (CloudFront stringToSign should only contain a date)
2194  	 	 	 if ($this->headers['Host'] == 'cloudfront.amazonaws.com')
2195  	 	 	 	 $headers[] = 'Authorization: ' . S3::__getSignature($this->headers['Date']);
2196  	 	 	 else
2197  	 	 	 {
2198  	 	 	 	 $headers[] = 'Authorization: ' . S3::__getSignature(
2199  	 	 	 	 	 $this->verb."\n".
2200  	 	 	 	 	 $this->headers['Content-MD5']."\n".
2201  	 	 	 	 	 $this->headers['Content-Type']."\n".
2202  	 	 	 	 	 $this->headers['Date'].$amz."\n".
2203  	 	 	 	 	 $this->resource
2204  	 	 	 	 );
2205  	 	 	 }
2206  	 	 }
2207  
2208  	 	 curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
2209  	 	 curl_setopt($curl, CURLOPT_HEADER, false);
2210  	 	 curl_setopt($curl, CURLOPT_RETURNTRANSFER, false);
2211  	 	 curl_setopt($curl, CURLOPT_WRITEFUNCTION, array(&$this, '__responseWriteCallback'));
2212  	 	 curl_setopt($curl, CURLOPT_HEADERFUNCTION, array(&$this, '__responseHeaderCallback'));
2213  	 	 curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
2214  
2215  	 	 // Request types
2216  	 	 switch ($this->verb)
2217  	 	 {
2218  	 	 	 case 'GET': break;
2219  	 	 	 case 'PUT': case 'POST': // POST only used for CloudFront
2220  	 	 	 	 if ($this->fp !== false)
2221  	 	 	 	 {
2222  	 	 	 	 	 curl_setopt($curl, CURLOPT_PUT, true);
2223  	 	 	 	 	 curl_setopt($curl, CURLOPT_INFILE, $this->fp);
2224  	 	 	 	 	 if ($this->size >= 0)
2225  	 	 	 	 	 	 curl_setopt($curl, CURLOPT_INFILESIZE, $this->size);
2226  	 	 	 	 }
2227  	 	 	 	 elseif ($this->data !== false)
2228  	 	 	 	 {
2229  	 	 	 	 	 curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $this->verb);
2230  	 	 	 	 	 curl_setopt($curl, CURLOPT_POSTFIELDS, $this->data);
2231  	 	 	 	 }
2232  	 	 	 	 else
2233  	 	 	 	 	 curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $this->verb);
2234  	 	 	 break;
2235  	 	 	 case 'HEAD':
2236  	 	 	 	 curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'HEAD');
2237  	 	 	 	 curl_setopt($curl, CURLOPT_NOBODY, true);
2238  	 	 	 break;
2239  	 	 	 case 'DELETE':
2240  	 	 	 	 curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'DELETE');
2241  	 	 	 break;
2242  	 	 	 default: break;
2243  	 	 }
2244  
2245  	 	 // Execute, grab errors
2246  	 	 if (curl_exec($curl))
2247  	 	 	 $this->response->code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
2248  	 	 else
2249  	 	 	 $this->response->error = array(
2250  	 	 	 	 'code' => curl_errno($curl),
2251  	 	 	 	 'message' => curl_error($curl),
2252  	 	 	 	 'resource' => $this->resource
2253  	 	 	 );
2254  
2255  	 	 @curl_close($curl);
2256  
2257  	 	 // Parse body into XML
2258  	 	 if ($this->response->error === false && isset($this->response->headers['type']) &&
2259  	 	 $this->response->headers['type'] == 'application/xml' && isset($this->response->body))
2260  	 	 {
2261  	 	 	 $this->response->body = simplexml_load_string($this->response->body);
2262  
2263  	 	 	 // Grab S3 errors
2264  	 	 	 if (!in_array($this->response->code, array(200, 204, 206)) &&
2265  	 	 	 isset($this->response->body->Code, $this->response->body->Message))
2266  	 	 	 {
2267  	 	 	 	 $this->response->error = array(
2268  	 	 	 	 	 'code' => (string)$this->response->body->Code,
2269  	 	 	 	 	 'message' => (string)$this->response->body->Message
2270  	 	 	 	 );
2271  	 	 	 	 if (isset($this->response->body->Resource))
2272  	 	 	 	 	 $this->response->error['resource'] = (string)$this->response->body->Resource;
2273  	 	 	 	 unset($this->response->body);
2274  	 	 	 }
2275  	 	 }
2276  
2277  	 	 // Clean up file resources
2278  	 	 if ($this->fp !== false && is_resource($this->fp)) fclose($this->fp);
2279  
2280  	 	 return $this->response;
2281  	 }
2282  
2283  	 /**
2284  	 * Sort compare for meta headers
2285  	 *
2286  	 * @internal Used to sort x-amz meta headers
2287  	 * @param string $a String A
2288  	 * @param string $b String B
2289  	 * @return integer
2290  	 */
2291  	private function __sortMetaHeadersCmp($a, $b)
2292  	 {
2293  	 	 $lenA = strpos($a, ':');
2294  	 	 $lenB = strpos($b, ':');
2295  	 	 $minLen = min($lenA, $lenB);
2296  	 	 $ncmp = strncmp($a, $b, $minLen);
2297  	 	 if ($lenA == $lenB) return $ncmp;
2298  	 	 if (0 == $ncmp) return $lenA < $lenB ? -1 : 1;
2299  	 	 return $ncmp;
2300  	 }
2301  
2302  	 /**
2303  	 * CURL write callback
2304  	 *
2305  	 * @param resource &$curl CURL resource
2306  	 * @param string &$data Data
2307  	 * @return integer
2308  	 */
2309  	private function __responseWriteCallback(&$curl, &$data)
2310  	 {
2311  	 	 if (in_array($this->response->code, array(200, 206)) && $this->fp !== false)
2312  	 	 	 return fwrite($this->fp, $data);
2313  	 	 else
2314  	 	 	 $this->response->body .= $data;
2315  	 	 return strlen($data);
2316  	 }
2317  
2318  
2319  	 /**
2320  	 * Check DNS conformity
2321  	 *
2322  	 * @param string $bucket Bucket name
2323  	 * @return boolean
2324  	 */
2325  	private function __dnsBucketName($bucket)
2326  	 {
2327  	 	 if (strlen($bucket) > 63 || preg_match("/[^a-z0-9\.-]/", $bucket) > 0) return false;
2328  	 	 if (S3::$useSSL && strstr($bucket, '.') !== false) return false;
2329  	 	 if (strstr($bucket, '-.') !== false) return false;
2330  	 	 if (strstr($bucket, '..') !== false) return false;
2331  	 	 if (!preg_match("/^[0-9a-z]/", $bucket)) return false;
2332  	 	 if (!preg_match("/[0-9a-z]$/", $bucket)) return false;
2333  	 	 return true;
2334  	 }
2335  
2336  
2337  	 /**
2338  	 * CURL header callback
2339  	 *
2340  	 * @param resource $curl CURL resource
2341  	 * @param string $data Data
2342  	 * @return integer
2343  	 */
2344  	private function __responseHeaderCallback($curl, $data)
2345  	 {
2346  	 	 if (($strlen = strlen($data)) <= 2) return $strlen;
2347  	 	 if (substr($data, 0, 4) == 'HTTP')
2348  	 	 	 $this->response->code = (int)substr($data, 9, 3);
2349  	 	 else
2350  	 	 {
2351  	 	 	 $data = trim($data);
2352  	 	 	 if (strpos($data, ': ') === false) return $strlen;
2353  	 	 	 list($header, $value) = explode(': ', $data, 2);
2354  	 	 	 if ($header == 'Last-Modified')
2355  	 	 	 	 $this->response->headers['time'] = strtotime($value);
2356  	 	 	 elseif ($header == 'Date')
2357  	 	 	 	 $this->response->headers['date'] = strtotime($value);
2358  	 	 	 elseif ($header == 'Content-Length')
2359  	 	 	 	 $this->response->headers['size'] = (int)$value;
2360  	 	 	 elseif ($header == 'Content-Type')
2361  	 	 	 	 $this->response->headers['type'] = $value;
2362  	 	 	 elseif ($header == 'ETag')
2363  	 	 	 	 $this->response->headers['hash'] = $value[0] == '"' ? substr($value, 1, -1) : $value;
2364  	 	 	 elseif (preg_match('/^x-amz-meta-.*$/', $header))
2365  	 	 	 	 $this->response->headers[$header] = $value;
2366  	 	 }
2367  	 	 return $strlen;
2368  	 }
2369  
2370  }
2371  
2372  /**
2373   * S3 exception class
2374   *
2375   * @link http://undesigned.org.za/2007/10/22/amazon-s3-php-class
2376   * @version 0.5.0-dev
2377   */
2378  
2379  class S3Exception extends Exception {
2380  	 /**
2381  	  * Class constructor
2382  	  *
2383  	  * @param string $message Exception message
2384  	  * @param string $file File in which exception was created
2385  	  * @param string $line Line number on which exception was created
2386  	  * @param int $code Exception code
2387  	  */
2388  	function __construct($message, $file, $line, $code = 0)
2389  	 {
2390  	 	 parent::__construct($message, $code);
2391  	 	 $this->file = $file;
2392  	 	 $this->line = $line;
2393  	 }
2394  }