Index: trunk/extensions/SwiftMedia/php-fakecloudfiles/fake_cloudfiles.php |
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| 2 | +<?php |
| 3 | +/** |
| 4 | + * Quick & Dirty mock cloud files classes for testing. |
| 5 | + * Doesn't actually do authentication or HTTP stuff, just calls the methods. |
| 6 | + * Objects are just stored on the File System under the container and object name. |
| 7 | + * $IP/fake_cloudfiles.config.php must exist and set FAKE_SWIFT_CONTAINER_PATH, |
| 8 | + * which is the directory that holds the container directories. |
| 9 | + */ |
| 10 | + |
| 11 | +/** |
| 12 | + */ |
| 13 | +if ( file_exists( dirname( __FILE__ ) . "/../../../fake_cloudfiles.config.php" ) ) { |
| 14 | + require_once( dirname( __FILE__ ) . "/../../../fake_cloudfiles.config.php" ); |
| 15 | +} else { |
| 16 | + die( "Nothing to see here.\n" ); |
| 17 | +} |
| 18 | +require_once( dirname( __FILE__ ) . "/../php-cloudfiles/cloudfiles_exceptions.php" ); |
| 19 | +define("DEFAULT_CF_API_VERSION", 1); |
| 20 | +define("MAX_CONTAINER_NAME_LEN", 256); |
| 21 | +define("MAX_OBJECT_NAME_LEN", 1024); |
| 22 | +define("MAX_OBJECT_SIZE", 5*1024*1024*1024+1); |
| 23 | +define("US_AUTHURL", "https://auth.api.rackspacecloud.com"); |
| 24 | +define("UK_AUTHURL", "https://lon.auth.api.rackspacecloud.com"); |
| 25 | +/** |
| 26 | + * Class for handling Cloud Files Authentication, call it's {@link authenticate()} |
| 27 | + * method to obtain authorized service urls and an authentication token. |
| 28 | + * |
| 29 | + * Example: |
| 30 | + * <code> |
| 31 | + * # Create the authentication instance |
| 32 | + * # |
| 33 | + * $auth = new CF_Authentication("username", "api_key"); |
| 34 | + * |
| 35 | + * # NOTE: For UK Customers please specify your AuthURL Manually |
| 36 | + * # There is a Predfined constant to use EX: |
| 37 | + * # |
| 38 | + * # $auth = new CF_Authentication("username, "api_key", NULL, UK_AUTHURL); |
| 39 | + * # Using the UK_AUTHURL keyword will force the api to use the UK AuthUrl. |
| 40 | + * # rather then the US one. The NULL Is passed for legacy purposes and must |
| 41 | + * # be passed to function correctly. |
| 42 | + * |
| 43 | + * # NOTE: Some versions of cURL include an outdated certificate authority (CA) |
| 44 | + * # file. This API ships with a newer version obtained directly from |
| 45 | + * # cURL's web site (http://curl.haxx.se). To use the newer CA bundle, |
| 46 | + * # call the CF_Authentication instance's 'ssl_use_cabundle()' method. |
| 47 | + * # |
| 48 | + * # $auth->ssl_use_cabundle(); # bypass cURL's old CA bundle |
| 49 | + * |
| 50 | + * # Perform authentication request |
| 51 | + * # |
| 52 | + * $auth->authenticate(); |
| 53 | + * </code> |
| 54 | + * |
| 55 | + * @package php-cloudfiles |
| 56 | + */ |
| 57 | +class CF_Authentication |
| 58 | +{ |
| 59 | + public $dbug; |
| 60 | + public $username; |
| 61 | + public $api_key; |
| 62 | + public $auth_host; |
| 63 | + public $account; |
| 64 | + |
| 65 | + /** |
| 66 | + * Instance variables that are set after successful authentication |
| 67 | + */ |
| 68 | + public $storage_url; |
| 69 | + public $cdnm_url; |
| 70 | + public $auth_token; |
| 71 | + |
| 72 | + /** |
| 73 | + * Class constructor (PHP 5 syntax) |
| 74 | + * |
| 75 | + * @param string $username Mosso username |
| 76 | + * @param string $api_key Mosso API Access Key |
| 77 | + * @param string $account <i>Account name</i> |
| 78 | + * @param string $auth_host <i>Authentication service URI</i> |
| 79 | + */ |
| 80 | + function __construct($username=NULL, $api_key=NULL, $account=NULL, $auth_host=US_AUTHURL) |
| 81 | + { |
| 82 | + |
| 83 | + $this->dbug = False; |
| 84 | + $this->username = $username; |
| 85 | + $this->api_key = $api_key; |
| 86 | + $this->account_name = $account; |
| 87 | + $this->auth_host = $auth_host; |
| 88 | + |
| 89 | + $this->storage_url = NULL; |
| 90 | + $this->cdnm_url = NULL; |
| 91 | + $this->auth_token = NULL; |
| 92 | + |
| 93 | + $this->cfs_http = NULL; |
| 94 | + } |
| 95 | + |
| 96 | + /** |
| 97 | + * Attempt to validate Username/API Access Key |
| 98 | + * |
| 99 | + * Attempts to validate credentials with the authentication service. It |
| 100 | + * either returns <kbd>True</kbd> or throws an Exception. Accepts a single |
| 101 | + * (optional) argument for the storage system API version. |
| 102 | + * |
| 103 | + * Example: |
| 104 | + * <code> |
| 105 | + * # Create the authentication instance |
| 106 | + * # |
| 107 | + * $auth = new CF_Authentication("username", "api_key"); |
| 108 | + * |
| 109 | + * # Perform authentication request |
| 110 | + * # |
| 111 | + * $auth->authenticate(); |
| 112 | + * </code> |
| 113 | + * |
| 114 | + * @param string $version API version for Auth service (optional) |
| 115 | + * @return boolean <kbd>True</kbd> if successfully authenticated |
| 116 | + * @throws AuthenticationException invalid credentials |
| 117 | + * @throws InvalidResponseException invalid response |
| 118 | + */ |
| 119 | + function authenticate($version=DEFAULT_CF_API_VERSION) |
| 120 | + { |
| 121 | + $this->storage_url = 'http://localhost/swift/storage/someuserurl'; |
| 122 | + $this->cdnm_url = 'http://localhost/swift/curl/someuserurl'; |
| 123 | + $this->auth_token = 'somerandomishtokenstring'; |
| 124 | + return True; |
| 125 | + } |
| 126 | + /** |
| 127 | + * Use Cached Token and Storage URL's rather then grabbing from the Auth System |
| 128 | + * |
| 129 | + * Example: |
| 130 | + * <code> |
| 131 | + * #Create an Auth instance |
| 132 | + * $auth = new CF_Authentication(); |
| 133 | + * #Pass Cached URL's and Token as Args |
| 134 | + * $auth->load_cached_credentials("auth_token", "storage_url", "cdn_management_url"); |
| 135 | + * </code> |
| 136 | + * |
| 137 | + * @param string $auth_token A Cloud Files Auth Token (Required) |
| 138 | + * @param string $storage_url The Cloud Files Storage URL (Required) |
| 139 | + * @param string $cdnm_url CDN Management URL (Required) |
| 140 | + * @return boolean <kbd>True</kbd> if successful |
| 141 | + * @throws SyntaxException If any of the Required Arguments are missing |
| 142 | + */ |
| 143 | + function load_cached_credentials($auth_token, $storage_url, $cdnm_url) |
| 144 | + { |
| 145 | + $this->storage_url = $storage_url; |
| 146 | + $this->cdnm_url = $cdnm_url; |
| 147 | + $this->auth_token = $auth_token; |
| 148 | + return True; |
| 149 | + } |
| 150 | + /** |
| 151 | + * Grab Cloud Files info to be Cached for later use with the load_cached_credentials method. |
| 152 | + * |
| 153 | + * Example: |
| 154 | + * <code> |
| 155 | + * #Create an Auth instance |
| 156 | + * $auth = new CF_Authentication("UserName","API_Key"); |
| 157 | + * $auth->authenticate(); |
| 158 | + * $array = $auth->export_credentials(); |
| 159 | + * </code> |
| 160 | + * |
| 161 | + * @return array of url's and an auth token. |
| 162 | + */ |
| 163 | + function export_credentials() |
| 164 | + { |
| 165 | + $arr = array(); |
| 166 | + $arr['storage_url'] = $this->storage_url; |
| 167 | + $arr['cdnm_url'] = $this->cdnm_url; |
| 168 | + $arr['auth_token'] = $this->auth_token; |
| 169 | + |
| 170 | + return $arr; |
| 171 | + } |
| 172 | + |
| 173 | + |
| 174 | + /** |
| 175 | + * Make sure the CF_Authentication instance has authenticated. |
| 176 | + * |
| 177 | + * Ensures that the instance variables necessary to communicate with |
| 178 | + * Cloud Files have been set from a previous authenticate() call. |
| 179 | + * |
| 180 | + * @return boolean <kbd>True</kbd> if successfully authenticated |
| 181 | + */ |
| 182 | + function authenticated() |
| 183 | + { |
| 184 | + if (!($this->storage_url || $this->cdnm_url) || !$this->auth_token) { |
| 185 | + return False; |
| 186 | + } |
| 187 | + return True; |
| 188 | + } |
| 189 | + |
| 190 | + /** |
| 191 | + * Toggle debugging - set cURL verbose flag |
| 192 | + */ |
| 193 | + function setDebug($bool) |
| 194 | + { |
| 195 | + $this->dbug = $bool; |
| 196 | + } |
| 197 | +} |
| 198 | + |
| 199 | +/** |
| 200 | + * Class for establishing connections to the Cloud Files storage system. |
| 201 | + * Connection instances are used to communicate with the storage system at |
| 202 | + * the account level; listing and deleting Containers and returning Container |
| 203 | + * instances. |
| 204 | + * |
| 205 | + * Example: |
| 206 | + * <code> |
| 207 | + * # Create the authentication instance |
| 208 | + * # |
| 209 | + * $auth = new CF_Authentication("username", "api_key"); |
| 210 | + * |
| 211 | + * # Perform authentication request |
| 212 | + * # |
| 213 | + * $auth->authenticate(); |
| 214 | + * |
| 215 | + * # Create a connection to the storage/cdn system(s) and pass in the |
| 216 | + * # validated CF_Authentication instance. |
| 217 | + * # |
| 218 | + * $conn = new CF_Connection($auth); |
| 219 | + * |
| 220 | + * # NOTE: Some versions of cURL include an outdated certificate authority (CA) |
| 221 | + * # file. This API ships with a newer version obtained directly from |
| 222 | + * # cURL's web site (http://curl.haxx.se). To use the newer CA bundle, |
| 223 | + * # call the CF_Authentication instance's 'ssl_use_cabundle()' method. |
| 224 | + * # |
| 225 | + * # $conn->ssl_use_cabundle(); # bypass cURL's old CA bundle |
| 226 | + * </code> |
| 227 | + * |
| 228 | + * @package php-cloudfiles |
| 229 | + */ |
| 230 | +class CF_Connection |
| 231 | +{ |
| 232 | + public $dbug; |
| 233 | + public $cfs_auth; |
| 234 | + |
| 235 | + /** |
| 236 | + * Pass in a previously authenticated CF_Authentication instance. |
| 237 | + * |
| 238 | + * Example: |
| 239 | + * <code> |
| 240 | + * # Create the authentication instance |
| 241 | + * # |
| 242 | + * $auth = new CF_Authentication("username", "api_key"); |
| 243 | + * |
| 244 | + * # Perform authentication request |
| 245 | + * # |
| 246 | + * $auth->authenticate(); |
| 247 | + * |
| 248 | + * # Create a connection to the storage/cdn system(s) and pass in the |
| 249 | + * # validated CF_Authentication instance. |
| 250 | + * # |
| 251 | + * $conn = new CF_Connection($auth); |
| 252 | + * |
| 253 | + * # If you are connecting via Rackspace servers and have access |
| 254 | + * # to the servicenet network you can set the $servicenet to True |
| 255 | + * # like this. |
| 256 | + * |
| 257 | + * $conn = new CF_Connection($auth, $servicenet=True); |
| 258 | + * |
| 259 | + * </code> |
| 260 | + * |
| 261 | + * If the environement variable RACKSPACE_SERVICENET is defined it will |
| 262 | + * force to connect via the servicenet. |
| 263 | + * |
| 264 | + * @param obj $cfs_auth previously authenticated CF_Authentication instance |
| 265 | + * @param boolean $servicenet enable/disable access via Rackspace servicenet. |
| 266 | + * @throws AuthenticationException not authenticated |
| 267 | + */ |
| 268 | + function __construct($cfs_auth, $servicenet=False) |
| 269 | + { |
| 270 | + if (isset($_ENV['RACKSPACE_SERVICENET'])) |
| 271 | + $servicenet=True; |
| 272 | + $this->cfs_auth = $cfs_auth; |
| 273 | + if (!$this->cfs_auth->authenticated()) { |
| 274 | + $e = "Need to pass in a previously authenticated "; |
| 275 | + $e .= "CF_Authentication instance."; |
| 276 | + throw new AuthenticationException($e); |
| 277 | + } |
| 278 | + $this->dbug = False; |
| 279 | + } |
| 280 | + |
| 281 | + /** |
| 282 | + * Toggle debugging of instance and back-end HTTP module |
| 283 | + * |
| 284 | + * @param boolean $bool enable/disable cURL debugging |
| 285 | + */ |
| 286 | + function setDebug($bool) |
| 287 | + { |
| 288 | + $this->dbug = (boolean) $bool; |
| 289 | + } |
| 290 | + |
| 291 | + /** |
| 292 | + * Close a connection |
| 293 | + * |
| 294 | + * Example: |
| 295 | + * <code> |
| 296 | + * |
| 297 | + * $conn->close(); |
| 298 | + * |
| 299 | + * </code> |
| 300 | + * |
| 301 | + * Will close all current cUrl active connections. |
| 302 | + * |
| 303 | + */ |
| 304 | + public function close() |
| 305 | + { |
| 306 | + } |
| 307 | + |
| 308 | + /** |
| 309 | + * Create a Container |
| 310 | + * |
| 311 | + * Given a Container name, return a Container instance, creating a new |
| 312 | + * remote Container if it does not exit. |
| 313 | + * |
| 314 | + * Example: |
| 315 | + * <code> |
| 316 | + * # ... authentication code excluded (see previous examples) ... |
| 317 | + * # |
| 318 | + * $conn = new CF_Authentication($auth); |
| 319 | + * |
| 320 | + * $images = $conn->create_container("my photos"); |
| 321 | + * </code> |
| 322 | + * |
| 323 | + * @param string $container_name container name |
| 324 | + * @return CF_Container |
| 325 | + * @throws SyntaxException invalid name |
| 326 | + * @throws InvalidResponseException unexpected response |
| 327 | + */ |
| 328 | + function create_container($container_name=NULL) |
| 329 | + { |
| 330 | + if ($container_name != "0" and !isset($container_name)) |
| 331 | + throw new SyntaxException("Container name not set."); |
| 332 | + |
| 333 | + if (!isset($container_name) or $container_name == "") |
| 334 | + throw new SyntaxException("Container name not set."); |
| 335 | + |
| 336 | + if (strpos($container_name, "/") !== False) { |
| 337 | + $r = "Container name '".$container_name; |
| 338 | + $r .= "' cannot contain a '/' character."; |
| 339 | + throw new SyntaxException($r); |
| 340 | + } |
| 341 | + if (strlen($container_name) > MAX_CONTAINER_NAME_LEN) { |
| 342 | + throw new SyntaxException(sprintf( |
| 343 | + "Container name exeeds %d bytes.", |
| 344 | + MAX_CONTAINER_NAME_LEN)); |
| 345 | + } |
| 346 | + |
| 347 | + if ( !is_dir( FAKE_SWIFT_CONTAINER_PATH . "/$container_name" ) ) { |
| 348 | + mkdir( FAKE_SWIFT_CONTAINER_PATH . "/$container_name" ); |
| 349 | + } |
| 350 | + |
| 351 | + return new CF_Container($this->cfs_auth, $this->cfs_http, $container_name); |
| 352 | + } |
| 353 | + |
| 354 | + /** |
| 355 | + * Delete a Container |
| 356 | + * |
| 357 | + * Given either a Container instance or name, remove the remote Container. |
| 358 | + * The Container must be empty prior to removing it. |
| 359 | + * |
| 360 | + * Example: |
| 361 | + * <code> |
| 362 | + * # ... authentication code excluded (see previous examples) ... |
| 363 | + * # |
| 364 | + * $conn = new CF_Authentication($auth); |
| 365 | + * |
| 366 | + * $conn->delete_container("my photos"); |
| 367 | + * </code> |
| 368 | + * |
| 369 | + * @param string|obj $container container name or instance |
| 370 | + * @return boolean <kbd>True</kbd> if successfully deleted |
| 371 | + * @throws SyntaxException missing proper argument |
| 372 | + * @throws InvalidResponseException invalid response |
| 373 | + * @throws NonEmptyContainerException container not empty |
| 374 | + * @throws NoSuchContainerException remote container does not exist |
| 375 | + */ |
| 376 | + function delete_container($container=NULL) |
| 377 | + { |
| 378 | + $container_name = NULL; |
| 379 | + |
| 380 | + if (is_object($container)) { |
| 381 | + if (get_class($container) == "CF_Container") { |
| 382 | + $container_name = $container->name; |
| 383 | + } |
| 384 | + } |
| 385 | + if (is_string($container)) { |
| 386 | + $container_name = $container; |
| 387 | + } |
| 388 | + |
| 389 | + if ($container_name != "0" and !isset($container_name)) |
| 390 | + throw new SyntaxException("Must specify container object or name."); |
| 391 | + |
| 392 | + if ( !is_dir( FAKE_SWIFT_CONTAINER_PATH . "/$container_name" ) ) { |
| 393 | + throw new NoSuchContainerException( |
| 394 | + "Specified container did not exist to delete."); |
| 395 | + } |
| 396 | + if ( !rmdir( FAKE_SWIFT_CONTAINER_PATH . "/$container_name" ) ) { |
| 397 | + throw new NonEmptyContainerException( |
| 398 | + "Container must be empty prior to removing it."); |
| 399 | + } |
| 400 | + return True; |
| 401 | + } |
| 402 | + |
| 403 | + /** |
| 404 | + * Return a Container instance |
| 405 | + * |
| 406 | + * For the given name, return a Container instance if the remote Container |
| 407 | + * exists, otherwise throw a Not Found exception. |
| 408 | + * |
| 409 | + * Example: |
| 410 | + * <code> |
| 411 | + * # ... authentication code excluded (see previous examples) ... |
| 412 | + * # |
| 413 | + * $conn = new CF_Authentication($auth); |
| 414 | + * |
| 415 | + * $images = $conn->get_container("my photos"); |
| 416 | + * print "Number of Objects: " . $images->count . "\n"; |
| 417 | + * print "Bytes stored in container: " . $images->bytes . "\n"; |
| 418 | + * </code> |
| 419 | + * |
| 420 | + * @param string $container_name name of the remote Container |
| 421 | + * @return container CF_Container instance |
| 422 | + * @throws NoSuchContainerException thrown if no remote Container |
| 423 | + * @throws InvalidResponseException unexpected response |
| 424 | + */ |
| 425 | + function get_container($container_name=NULL) |
| 426 | + { |
| 427 | + if ( !is_dir( FAKE_SWIFT_CONTAINER_PATH . "/$container_name" ) ) { |
| 428 | + throw new NoSuchContainerException("Container not found."); |
| 429 | + } |
| 430 | + $count = $bytes = -1; // not implemented |
| 431 | + return new CF_Container($this->cfs_auth, $this->cfs_http, |
| 432 | + $container_name, $count, $bytes); |
| 433 | + } |
| 434 | +} |
| 435 | + |
| 436 | +/** |
| 437 | + * Container operations |
| 438 | + * |
| 439 | + * Containers are storage compartments where you put your data (objects). |
| 440 | + * A container is similar to a directory or folder on a conventional filesystem |
| 441 | + * with the exception that they exist in a flat namespace, you can not create |
| 442 | + * containers inside of containers. |
| 443 | + * |
| 444 | + * You also have the option of marking a Container as "public" so that the |
| 445 | + * Objects stored in the Container are publicly available via the CDN. |
| 446 | + * |
| 447 | + * @package php-cloudfiles |
| 448 | + */ |
| 449 | +class CF_Container |
| 450 | +{ |
| 451 | + public $cfs_auth; |
| 452 | + public $cfs_http; |
| 453 | + public $name; |
| 454 | + public $object_count; |
| 455 | + public $bytes_used; |
| 456 | + |
| 457 | + public $cdn_enabled; |
| 458 | + public $cdn_ssl_uri; |
| 459 | + public $cdn_uri; |
| 460 | + public $cdn_ttl; |
| 461 | + public $cdn_log_retention; |
| 462 | + public $cdn_acl_user_agent; |
| 463 | + public $cdn_acl_referrer; |
| 464 | + |
| 465 | + /** |
| 466 | + * Class constructor |
| 467 | + * |
| 468 | + * Constructor for Container |
| 469 | + * |
| 470 | + * @param obj $cfs_auth CF_Authentication instance |
| 471 | + * @param obj $cfs_http HTTP connection manager |
| 472 | + * @param string $name name of Container |
| 473 | + * @param int $count number of Objects stored in this Container |
| 474 | + * @param int $bytes number of bytes stored in this Container |
| 475 | + * @throws SyntaxException invalid Container name |
| 476 | + */ |
| 477 | + function __construct(&$cfs_auth, &$cfs_http, $name, $count=0, |
| 478 | + $bytes=0, $docdn=True) |
| 479 | + { |
| 480 | + if (strlen($name) > MAX_CONTAINER_NAME_LEN) { |
| 481 | + throw new SyntaxException("Container name exceeds " |
| 482 | + . "maximum allowed length."); |
| 483 | + } |
| 484 | + if (strpos($name, "/") !== False) { |
| 485 | + throw new SyntaxException( |
| 486 | + "Container names cannot contain a '/' character."); |
| 487 | + } |
| 488 | + $this->cfs_auth = $cfs_auth; |
| 489 | + $this->cfs_http = $cfs_http; |
| 490 | + $this->name = $name; |
| 491 | + $this->object_count = $count; |
| 492 | + $this->bytes_used = $bytes; |
| 493 | + $this->cdn_enabled = NULL; |
| 494 | + $this->cdn_uri = NULL; |
| 495 | + $this->cdn_ssl_uri = NULL; |
| 496 | + $this->cdn_ttl = NULL; |
| 497 | + $this->cdn_log_retention = NULL; |
| 498 | + $this->cdn_acl_user_agent = NULL; |
| 499 | + $this->cdn_acl_referrer = NULL; |
| 500 | + } |
| 501 | + |
| 502 | + /** |
| 503 | + * Create a new remote storage Object |
| 504 | + * |
| 505 | + * Return a new Object instance. If the remote storage Object exists, |
| 506 | + * the instance's attributes are populated. |
| 507 | + * |
| 508 | + * Example: |
| 509 | + * <code> |
| 510 | + * # ... authentication code excluded (see previous examples) ... |
| 511 | + * # |
| 512 | + * $conn = new CF_Authentication($auth); |
| 513 | + * |
| 514 | + * $public_container = $conn->get_container("public"); |
| 515 | + * |
| 516 | + * # This creates a local instance of a storage object but only creates |
| 517 | + * # it in the storage system when the object's write() method is called. |
| 518 | + * # |
| 519 | + * $pic = $public_container->create_object("baby.jpg"); |
| 520 | + * </code> |
| 521 | + * |
| 522 | + * @param string $obj_name name of storage Object |
| 523 | + * @return obj CF_Object instance |
| 524 | + */ |
| 525 | + function create_object($obj_name=NULL) |
| 526 | + { |
| 527 | + return new CF_Object($this, $obj_name); |
| 528 | + } |
| 529 | + |
| 530 | + /** |
| 531 | + * Return an Object instance for the remote storage Object |
| 532 | + * |
| 533 | + * Given a name, return a Object instance representing the |
| 534 | + * remote storage object. |
| 535 | + * |
| 536 | + * Example: |
| 537 | + * <code> |
| 538 | + * # ... authentication code excluded (see previous examples) ... |
| 539 | + * # |
| 540 | + * $conn = new CF_Authentication($auth); |
| 541 | + * |
| 542 | + * $public_container = $conn->get_container("public"); |
| 543 | + * |
| 544 | + * # This call only fetches header information and not the content of |
| 545 | + * # the storage object. Use the Object's read() or stream() methods |
| 546 | + * # to obtain the object's data. |
| 547 | + * # |
| 548 | + * $pic = $public_container->get_object("baby.jpg"); |
| 549 | + * </code> |
| 550 | + * |
| 551 | + * @param string $obj_name name of storage Object |
| 552 | + * @return obj CF_Object instance |
| 553 | + */ |
| 554 | + function get_object($obj_name=NULL) |
| 555 | + { |
| 556 | + return new CF_Object($this, $obj_name, True); |
| 557 | + } |
| 558 | + |
| 559 | + /** |
| 560 | + * Return a list of Objects |
| 561 | + * |
| 562 | + * Return an array of strings listing the Object names in this Container. |
| 563 | + * |
| 564 | + * Example: |
| 565 | + * <code> |
| 566 | + * # ... authentication code excluded (see previous examples) ... |
| 567 | + * # |
| 568 | + * $images = $conn->get_container("my photos"); |
| 569 | + * |
| 570 | + * # Grab the list of all storage objects |
| 571 | + * # |
| 572 | + * $all_objects = $images->list_objects(); |
| 573 | + * |
| 574 | + * # Grab subsets of all storage objects |
| 575 | + * # |
| 576 | + * $first_ten = $images->list_objects(10); |
| 577 | + * |
| 578 | + * # Note the use of the previous result's last object name being |
| 579 | + * # used as the 'marker' parameter to fetch the next 10 objects |
| 580 | + * # |
| 581 | + * $next_ten = $images->list_objects(10, $first_ten[count($first_ten)-1]); |
| 582 | + * |
| 583 | + * # Grab images starting with "birthday_party" and default limit/marker |
| 584 | + * # to match all photos with that prefix |
| 585 | + * # |
| 586 | + * $prefixed = $images->list_objects(0, NULL, "birthday"); |
| 587 | + * |
| 588 | + * # Assuming you have created the appropriate directory marker Objects, |
| 589 | + * # you can traverse your pseudo-hierarchical containers |
| 590 | + * # with the "path" argument. |
| 591 | + * # |
| 592 | + * $animals = $images->list_objects(0,NULL,NULL,"pictures/animals"); |
| 593 | + * $dogs = $images->list_objects(0,NULL,NULL,"pictures/animals/dogs"); |
| 594 | + * </code> |
| 595 | + * |
| 596 | + * @param int $limit <i>optional</i> only return $limit names |
| 597 | + * @param int $marker <i>optional</i> subset of names starting at $marker |
| 598 | + * @param string $prefix <i>optional</i> Objects whose names begin with $prefix |
| 599 | + * @param string $path <i>optional</i> only return results under "pathname" |
| 600 | + * @return array array of strings |
| 601 | + * @throws InvalidResponseException unexpected response |
| 602 | + */ |
| 603 | + function list_objects($limit=0, $marker=NULL, $prefix=NULL, $path=NULL) |
| 604 | + { |
| 605 | + $names = array(); |
| 606 | + // $prefix must be a dir in mock class |
| 607 | + $dir = FAKE_SWIFT_CONTAINER_PATH . "/{$this->name}/$prefix"; |
| 608 | + if ( is_dir( $dir ) ) { |
| 609 | + $handle = opendir( $dir ); |
| 610 | + if ( $handle ) { |
| 611 | + while ( false !== ( $file = readdir( $handle ) ) ) { |
| 612 | + if ( $file { 0 } != '.' ) { |
| 613 | + $names[] = $file; |
| 614 | + } |
| 615 | + } |
| 616 | + closedir( $handle ); |
| 617 | + } |
| 618 | + } |
| 619 | + return $names; |
| 620 | + } |
| 621 | + |
| 622 | + /** |
| 623 | + * Delete a remote storage Object |
| 624 | + * |
| 625 | + * Given an Object instance or name, permanently remove the remote Object |
| 626 | + * and all associated metadata. |
| 627 | + * |
| 628 | + * Example: |
| 629 | + * <code> |
| 630 | + * # ... authentication code excluded (see previous examples) ... |
| 631 | + * # |
| 632 | + * $conn = new CF_Authentication($auth); |
| 633 | + * |
| 634 | + * $images = $conn->get_container("my photos"); |
| 635 | + * |
| 636 | + * # Delete specific object |
| 637 | + * # |
| 638 | + * $images->delete_object("disco_dancing.jpg"); |
| 639 | + * </code> |
| 640 | + * |
| 641 | + * @param obj $obj name or instance of Object to delete |
| 642 | + * @return boolean <kbd>True</kbd> if successfully removed |
| 643 | + * @throws SyntaxException invalid Object name |
| 644 | + * @throws NoSuchObjectException remote Object does not exist |
| 645 | + * @throws InvalidResponseException unexpected response |
| 646 | + */ |
| 647 | + function delete_object($obj) |
| 648 | + { |
| 649 | + $obj_name = NULL; |
| 650 | + if (is_object($obj)) { |
| 651 | + if (get_class($obj) == "CF_Object") { |
| 652 | + $obj_name = $obj->name; |
| 653 | + } |
| 654 | + } |
| 655 | + if (is_string($obj)) { |
| 656 | + $obj_name = $obj; |
| 657 | + } |
| 658 | + if (!$obj_name) { |
| 659 | + throw new SyntaxException("Object name not set."); |
| 660 | + } |
| 661 | + if ( !@unlink( $this->getObjectFSPath( $obj_name ) ) ) { |
| 662 | + $m = "Specified object '".$this->name."/".$obj_name; |
| 663 | + $m.= "' did not exist to delete."; |
| 664 | + throw new NoSuchObjectException($m); |
| 665 | + } |
| 666 | + return True; |
| 667 | + } |
| 668 | + |
| 669 | + function getObjectFSPath( $file ) { |
| 670 | + return FAKE_SWIFT_CONTAINER_PATH . "/{$this->name}/{$file}"; |
| 671 | + } |
| 672 | +} |
| 673 | + |
| 674 | + |
| 675 | +/** |
| 676 | + * Object operations |
| 677 | + * |
| 678 | + * An Object is analogous to a file on a conventional filesystem. You can |
| 679 | + * read data from, or write data to your Objects. You can also associate |
| 680 | + * arbitrary metadata with them. |
| 681 | + * |
| 682 | + * @package php-cloudfiles |
| 683 | + */ |
| 684 | +class CF_Object |
| 685 | +{ |
| 686 | + public $container; |
| 687 | + public $name; |
| 688 | + public $last_modified; |
| 689 | + public $content_type; |
| 690 | + public $content_length; |
| 691 | + public $metadata; |
| 692 | + public $manifest; |
| 693 | + private $etag; |
| 694 | + |
| 695 | + /** |
| 696 | + * Class constructor |
| 697 | + * |
| 698 | + * @param obj $container CF_Container instance |
| 699 | + * @param string $name name of Object |
| 700 | + * @param boolean $force_exists if set, throw an error if Object doesn't exist |
| 701 | + */ |
| 702 | + function __construct(&$container, $name, $force_exists=False, $dohead=True) |
| 703 | + { |
| 704 | + if ($name[0] == "/") { |
| 705 | + $r = "Object name '".$name; |
| 706 | + $r .= "' cannot contain begin with a '/' character."; |
| 707 | + throw new SyntaxException($r); |
| 708 | + } |
| 709 | + if (strlen($name) > MAX_OBJECT_NAME_LEN) { |
| 710 | + throw new SyntaxException("Object name exceeds " |
| 711 | + . "maximum allowed length."); |
| 712 | + } |
| 713 | + $this->container = $container; |
| 714 | + $this->name = $name; |
| 715 | + $this->etag = NULL; |
| 716 | + $this->_etag_override = False; |
| 717 | + $this->last_modified = NULL; |
| 718 | + $this->content_type = NULL; |
| 719 | + $this->content_length = 0; |
| 720 | + $this->metadata = array(); |
| 721 | + $this->manifest = NULL; |
| 722 | + if ($dohead) { |
| 723 | + if (!$this->_initialize() && $force_exists) { |
| 724 | + throw new NoSuchObjectException("No such object '".$name."'"); |
| 725 | + } |
| 726 | + } |
| 727 | + } |
| 728 | + |
| 729 | + /** |
| 730 | + * String representation of Object |
| 731 | + * |
| 732 | + * Pretty print the Object's location and name |
| 733 | + * |
| 734 | + * @return string Object information |
| 735 | + */ |
| 736 | + function __toString() |
| 737 | + { |
| 738 | + return $this->container->name . "/" . $this->name; |
| 739 | + } |
| 740 | + |
| 741 | + /** |
| 742 | + * Internal check to get the proper mimetype. |
| 743 | + * |
| 744 | + * This function would go over the available PHP methods to get |
| 745 | + * the MIME type. |
| 746 | + * |
| 747 | + * By default it will try to use the PHP fileinfo library which is |
| 748 | + * available from PHP 5.3 or as an PECL extension |
| 749 | + * (http://pecl.php.net/package/Fileinfo). |
| 750 | + * |
| 751 | + * It will get the magic file by default from the system wide file |
| 752 | + * which is usually available in /usr/share/magic on Unix or try |
| 753 | + * to use the file specified in the source directory of the API |
| 754 | + * (share directory). |
| 755 | + * |
| 756 | + * if fileinfo is not available it will try to use the internal |
| 757 | + * mime_content_type function. |
| 758 | + * |
| 759 | + * @param string $handle name of file or buffer to guess the type from |
| 760 | + * @return boolean <kbd>True</kbd> if successful |
| 761 | + * @throws BadContentTypeException |
| 762 | + */ |
| 763 | + function _guess_content_type($handle) { |
| 764 | + if ($this->content_type) |
| 765 | + return; |
| 766 | + |
| 767 | + if (function_exists("finfo_open")) { |
| 768 | + $local_magic = dirname(__FILE__) . "/share/magic"; |
| 769 | + $finfo = @finfo_open(FILEINFO_MIME, $local_magic); |
| 770 | + |
| 771 | + if (!$finfo) |
| 772 | + $finfo = @finfo_open(FILEINFO_MIME); |
| 773 | + |
| 774 | + if ($finfo) { |
| 775 | + |
| 776 | + if (is_file((string)$handle)) |
| 777 | + $ct = @finfo_file($finfo, $handle); |
| 778 | + else |
| 779 | + $ct = @finfo_buffer($finfo, $handle); |
| 780 | + |
| 781 | + /* PHP 5.3 fileinfo display extra information like |
| 782 | + charset so we remove everything after the ; since |
| 783 | + we are not into that stuff */ |
| 784 | + if ($ct) { |
| 785 | + $extra_content_type_info = strpos($ct, "; "); |
| 786 | + if ($extra_content_type_info) |
| 787 | + $ct = substr($ct, 0, $extra_content_type_info); |
| 788 | + } |
| 789 | + |
| 790 | + if ($ct && $ct != 'application/octet-stream') |
| 791 | + $this->content_type = $ct; |
| 792 | + |
| 793 | + @finfo_close($finfo); |
| 794 | + } |
| 795 | + } |
| 796 | + |
| 797 | + if (!$this->content_type && (string)is_file($handle) && function_exists("mime_content_type")) { |
| 798 | + $this->content_type = @mime_content_type($handle); |
| 799 | + } |
| 800 | + |
| 801 | + if (!$this->content_type) { |
| 802 | + throw new BadContentTypeException("Required Content-Type not set"); |
| 803 | + } |
| 804 | + return True; |
| 805 | + } |
| 806 | + |
| 807 | + function getFSPath() { |
| 808 | + return $this->container->getObjectFSPath( $this->name ); |
| 809 | + } |
| 810 | + |
| 811 | + /** |
| 812 | + * Read the remote Object's data |
| 813 | + * |
| 814 | + * Returns the Object's data. This is useful for smaller Objects such |
| 815 | + * as images or office documents. Object's with larger content should use |
| 816 | + * the stream() method below. |
| 817 | + * |
| 818 | + * Pass in $hdrs array to set specific custom HTTP headers such as |
| 819 | + * If-Match, If-None-Match, If-Modified-Since, Range, etc. |
| 820 | + * |
| 821 | + * Example: |
| 822 | + * <code> |
| 823 | + * # ... authentication/connection/container code excluded |
| 824 | + * # ... see previous examples |
| 825 | + * |
| 826 | + * $my_docs = $conn->get_container("documents"); |
| 827 | + * $doc = $my_docs->get_object("README"); |
| 828 | + * $data = $doc->read(); # read image content into a string variable |
| 829 | + * print $data; |
| 830 | + * |
| 831 | + * # Or see stream() below for a different example. |
| 832 | + * # |
| 833 | + * </code> |
| 834 | + * |
| 835 | + * @param array $hdrs user-defined headers (Range, If-Match, etc.) |
| 836 | + * @return string Object's data |
| 837 | + * @throws InvalidResponseException unexpected response |
| 838 | + */ |
| 839 | + function read($hdrs=array()) |
| 840 | + { |
| 841 | + return file_get_contents( $this->getFSPath() ); |
| 842 | + } |
| 843 | + |
| 844 | + /** |
| 845 | + * Streaming read of Object's data |
| 846 | + * |
| 847 | + * Given an open PHP resource (see PHP's fopen() method), fetch the Object's |
| 848 | + * data and write it to the open resource handle. This is useful for |
| 849 | + * streaming an Object's content to the browser (videos, images) or for |
| 850 | + * fetching content to a local file. |
| 851 | + * |
| 852 | + * Pass in $hdrs array to set specific custom HTTP headers such as |
| 853 | + * If-Match, If-None-Match, If-Modified-Since, Range, etc. |
| 854 | + * |
| 855 | + * Example: |
| 856 | + * <code> |
| 857 | + * # ... authentication/connection/container code excluded |
| 858 | + * # ... see previous examples |
| 859 | + * |
| 860 | + * # Assuming this is a web script to display the README to the |
| 861 | + * # user's browser: |
| 862 | + * # |
| 863 | + * <?php |
| 864 | + * // grab README from storage system |
| 865 | + * // |
| 866 | + * $my_docs = $conn->get_container("documents"); |
| 867 | + * $doc = $my_docs->get_object("README"); |
| 868 | + * |
| 869 | + * // Hand it back to user's browser with appropriate content-type |
| 870 | + * // |
| 871 | + * header("Content-Type: " . $doc->content_type); |
| 872 | + * $output = fopen("php://output", "w"); |
| 873 | + * $doc->stream($output); # stream object content to PHP's output buffer |
| 874 | + * fclose($output); |
| 875 | + * ?> |
| 876 | + * |
| 877 | + * # See read() above for a more simple example. |
| 878 | + * # |
| 879 | + * </code> |
| 880 | + * |
| 881 | + * @param resource $fp open resource for writing data to |
| 882 | + * @param array $hdrs user-defined headers (Range, If-Match, etc.) |
| 883 | + * @return string Object's data |
| 884 | + * @throws InvalidResponseException unexpected response |
| 885 | + */ |
| 886 | + function stream(&$fp, $hdrs=array()) |
| 887 | + { |
| 888 | + $data = file_get_contents( $this->getFSPath() ); |
| 889 | + fwrite( $fp, $data ); |
| 890 | + return True; |
| 891 | + } |
| 892 | + |
| 893 | + /** |
| 894 | + * Upload Object's data to Cloud Files |
| 895 | + * |
| 896 | + * Write data to the remote Object. The $data argument can either be a |
| 897 | + * PHP resource open for reading (see PHP's fopen() method) or an in-memory |
| 898 | + * variable. If passing in a PHP resource, you must also include the $bytes |
| 899 | + * parameter. |
| 900 | + * |
| 901 | + * Example: |
| 902 | + * <code> |
| 903 | + * # ... authentication/connection/container code excluded |
| 904 | + * # ... see previous examples |
| 905 | + * |
| 906 | + * $my_docs = $conn->get_container("documents"); |
| 907 | + * $doc = $my_docs->get_object("README"); |
| 908 | + * |
| 909 | + * # Upload placeholder text in my README |
| 910 | + * # |
| 911 | + * $doc->write("This is just placeholder text for now..."); |
| 912 | + * </code> |
| 913 | + * |
| 914 | + * @param string|resource $data string or open resource |
| 915 | + * @param float $bytes amount of data to upload (required for resources) |
| 916 | + * @param boolean $verify generate, send, and compare MD5 checksums |
| 917 | + * @return boolean <kbd>True</kbd> when data uploaded successfully |
| 918 | + * @throws SyntaxException missing required parameters |
| 919 | + * @throws BadContentTypeException if no Content-Type was/could be set |
| 920 | + * @throws MisMatchedChecksumException $verify is set and checksums unequal |
| 921 | + * @throws InvalidResponseException unexpected response |
| 922 | + */ |
| 923 | + function write($data=NULL, $bytes=0, $verify=True) |
| 924 | + { |
| 925 | + if (!$data && !is_string($data)) { |
| 926 | + throw new SyntaxException("Missing data source."); |
| 927 | + } |
| 928 | + if ($bytes > MAX_OBJECT_SIZE) { |
| 929 | + throw new SyntaxException("Bytes exceeds maximum object size."); |
| 930 | + } |
| 931 | + if ($verify) { |
| 932 | + if (!$this->_etag_override) { |
| 933 | + $this->etag = $this->compute_md5sum($data); |
| 934 | + } |
| 935 | + } else { |
| 936 | + $this->etag = NULL; |
| 937 | + } |
| 938 | + |
| 939 | + $close_fh = False; |
| 940 | + if (!is_resource($data)) { |
| 941 | + # A hack to treat string data as a file handle. php://memory feels |
| 942 | + # like a better option, but it seems to break on Windows so use |
| 943 | + # a temporary file instead. |
| 944 | + # |
| 945 | + $fp = fopen("php://temp", "wb+"); |
| 946 | + #$fp = fopen("php://memory", "wb+"); |
| 947 | + fwrite($fp, $data, strlen($data)); |
| 948 | + rewind($fp); |
| 949 | + $close_fh = True; |
| 950 | + $this->content_length = (float) strlen($data); |
| 951 | + if ($this->content_length > MAX_OBJECT_SIZE) { |
| 952 | + throw new SyntaxException("Data exceeds maximum object size"); |
| 953 | + } |
| 954 | + $ct_data = substr($data, 0, 64); |
| 955 | + } else { |
| 956 | + $this->content_length = $bytes; |
| 957 | + $fp = $data; |
| 958 | + $ct_data = fread($data, 64); |
| 959 | + rewind($data); |
| 960 | + } |
| 961 | + |
| 962 | + $this->_guess_content_type($ct_data); |
| 963 | + |
| 964 | + $dir = dirname( $this->getFSPath() ); |
| 965 | + if ( !file_exists( $dir ) ) { |
| 966 | + mkdir( $dir, 0777, true ); |
| 967 | + } |
| 968 | + file_put_contents( $this->getFSPath(), $data, LOCK_EX ); |
| 969 | + |
| 970 | + if ($close_fh) { fclose($fp); } |
| 971 | + return True; |
| 972 | + } |
| 973 | + |
| 974 | + /** |
| 975 | + * Copy one Object to another Object to Cloud Files |
| 976 | + * |
| 977 | + * Example: |
| 978 | + * <code> |
| 979 | + * # ... authentication/connection/container code excluded |
| 980 | + * # ... see previous examples |
| 981 | + * |
| 982 | + * $my_docs = $conn->get_container("documents"); |
| 983 | + * $doc = $my_docs->get_object("README"); |
| 984 | + * |
| 985 | + * # Copy README.txt on top of this object (which you must have |
| 986 | + * already written something to). |
| 987 | + * # |
| 988 | + * $doc->copy("/documents/README.txt"); |
| 989 | + * </code> |
| 990 | + * |
| 991 | + * @param string $source Name of existing object |
| 992 | + * @return boolean <kbd>True</kbd> when data uploaded successfully |
| 993 | + * @throws SyntaxException missing required parameters |
| 994 | + * @throws BadContentTypeException if no Content-Type was/could be set |
| 995 | + * @throws MisMatchedChecksumException $verify is set and checksums unequal |
| 996 | + * @throws InvalidResponseException unexpected response |
| 997 | + */ |
| 998 | + function copy($source) |
| 999 | + { |
| 1000 | + if (!$source && !is_string($source)) { |
| 1001 | + throw new SyntaxException("Missing data source."); |
| 1002 | + } |
| 1003 | + $sObj = new self( $this->container, $source ); |
| 1004 | + copy( $sObj->getFSPath(), $this->getFSPath() ); |
| 1005 | + return True; |
| 1006 | + } |
| 1007 | + |
| 1008 | + /** |
| 1009 | + * Upload Object data from local filename |
| 1010 | + * |
| 1011 | + * This is a convenience function to upload the data from a local file. A |
| 1012 | + * True value for $verify will cause the method to compute the Object's MD5 |
| 1013 | + * checksum prior to uploading. |
| 1014 | + * |
| 1015 | + * Example: |
| 1016 | + * <code> |
| 1017 | + * # ... authentication/connection/container code excluded |
| 1018 | + * # ... see previous examples |
| 1019 | + * |
| 1020 | + * $my_docs = $conn->get_container("documents"); |
| 1021 | + * $doc = $my_docs->get_object("README"); |
| 1022 | + * |
| 1023 | + * # Upload my local README's content |
| 1024 | + * # |
| 1025 | + * $doc->load_from_filename("/home/ej/cloudfiles/readme"); |
| 1026 | + * </code> |
| 1027 | + * |
| 1028 | + * @param string $filename full path to local file |
| 1029 | + * @param boolean $verify enable local/remote MD5 checksum validation |
| 1030 | + * @return boolean <kbd>True</kbd> if data uploaded successfully |
| 1031 | + * @throws SyntaxException missing required parameters |
| 1032 | + * @throws BadContentTypeException if no Content-Type was/could be set |
| 1033 | + * @throws MisMatchedChecksumException $verify is set and checksums unequal |
| 1034 | + * @throws InvalidResponseException unexpected response |
| 1035 | + * @throws IOException error opening file |
| 1036 | + */ |
| 1037 | + function load_from_filename($filename, $verify=True) |
| 1038 | + { |
| 1039 | + $fp = @fopen($filename, "r"); |
| 1040 | + if (!$fp) { |
| 1041 | + throw new IOException("Could not open file for reading: ".$filename); |
| 1042 | + } |
| 1043 | + |
| 1044 | + clearstatcache(); |
| 1045 | + |
| 1046 | + $size = (float) sprintf("%u", filesize($filename)); |
| 1047 | + if ($size > MAX_OBJECT_SIZE) { |
| 1048 | + throw new SyntaxException("File size exceeds maximum object size."); |
| 1049 | + } |
| 1050 | + |
| 1051 | + $this->_guess_content_type($filename); |
| 1052 | + |
| 1053 | + $this->write($fp, $size, $verify); |
| 1054 | + fclose($fp); |
| 1055 | + return True; |
| 1056 | + } |
| 1057 | + |
| 1058 | + /** |
| 1059 | + * Save Object's data to local filename |
| 1060 | + * |
| 1061 | + * Given a local filename, the Object's data will be written to the newly |
| 1062 | + * created file. |
| 1063 | + * |
| 1064 | + * Example: |
| 1065 | + * <code> |
| 1066 | + * # ... authentication/connection/container code excluded |
| 1067 | + * # ... see previous examples |
| 1068 | + * |
| 1069 | + * # Whoops! I deleted my local README, let me download/save it |
| 1070 | + * # |
| 1071 | + * $my_docs = $conn->get_container("documents"); |
| 1072 | + * $doc = $my_docs->get_object("README"); |
| 1073 | + * |
| 1074 | + * $doc->save_to_filename("/home/ej/cloudfiles/readme.restored"); |
| 1075 | + * </code> |
| 1076 | + * |
| 1077 | + * @param string $filename name of local file to write data to |
| 1078 | + * @return boolean <kbd>True</kbd> if successful |
| 1079 | + * @throws IOException error opening file |
| 1080 | + * @throws InvalidResponseException unexpected response |
| 1081 | + */ |
| 1082 | + function save_to_filename($filename) |
| 1083 | + { |
| 1084 | + $fp = @fopen($filename, "wb"); |
| 1085 | + if (!$fp) { |
| 1086 | + throw new IOException("Could not open file for writing: ".$filename); |
| 1087 | + } |
| 1088 | + $result = $this->stream($fp); |
| 1089 | + fclose($fp); |
| 1090 | + return $result; |
| 1091 | + } |
| 1092 | + |
| 1093 | + /** |
| 1094 | + * Set Object's MD5 checksum |
| 1095 | + * |
| 1096 | + * Manually set the Object's ETag. Including the ETag is mandatory for |
| 1097 | + * Cloud Files to perform end-to-end verification. Omitting the ETag forces |
| 1098 | + * the user to handle any data integrity checks. |
| 1099 | + * |
| 1100 | + * @param string $etag MD5 checksum hexidecimal string |
| 1101 | + */ |
| 1102 | + function set_etag($etag) |
| 1103 | + { |
| 1104 | + $this->etag = $etag; |
| 1105 | + $this->_etag_override = True; |
| 1106 | + } |
| 1107 | + |
| 1108 | + /** |
| 1109 | + * Object's MD5 checksum |
| 1110 | + * |
| 1111 | + * Accessor method for reading Object's private ETag attribute. |
| 1112 | + * |
| 1113 | + * @return string MD5 checksum hexidecimal string |
| 1114 | + */ |
| 1115 | + function getETag() |
| 1116 | + { |
| 1117 | + return $this->etag; |
| 1118 | + } |
| 1119 | + |
| 1120 | + /** |
| 1121 | + * Compute the MD5 checksum |
| 1122 | + * |
| 1123 | + * Calculate the MD5 checksum on either a PHP resource or data. The argument |
| 1124 | + * may either be a local filename, open resource for reading, or a string. |
| 1125 | + * |
| 1126 | + * <b>WARNING:</b> if you are uploading a big file over a stream |
| 1127 | + * it could get very slow to compute the md5 you probably want to |
| 1128 | + * set the $verify parameter to False in the write() method and |
| 1129 | + * compute yourself the md5 before if you have it. |
| 1130 | + * |
| 1131 | + * @param filename|obj|string $data filename, open resource, or string |
| 1132 | + * @return string MD5 checksum hexidecimal string |
| 1133 | + */ |
| 1134 | + function compute_md5sum(&$data) |
| 1135 | + { |
| 1136 | + if (function_exists("hash_init") && is_resource($data)) { |
| 1137 | + $ctx = hash_init('md5'); |
| 1138 | + while (!feof($data)) { |
| 1139 | + $buffer = fgets($data, 65536); |
| 1140 | + hash_update($ctx, $buffer); |
| 1141 | + } |
| 1142 | + $md5 = hash_final($ctx, false); |
| 1143 | + rewind($data); |
| 1144 | + } elseif ((string)is_file($data)) { |
| 1145 | + $md5 = md5_file($data); |
| 1146 | + } else { |
| 1147 | + $md5 = md5($data); |
| 1148 | + } |
| 1149 | + return $md5; |
| 1150 | + } |
| 1151 | + |
| 1152 | + /** |
| 1153 | + * PRIVATE: fetch information about the remote Object if it exists |
| 1154 | + */ |
| 1155 | + private function _initialize() |
| 1156 | + { |
| 1157 | + clearstatcache(); |
| 1158 | + $path = $this->getFSPath(); |
| 1159 | + if ( !file_exists( $path ) ) { |
| 1160 | + return False; |
| 1161 | + } |
| 1162 | + // Slow...but whatever... |
| 1163 | + $this->etag = md5_file( $path ); |
| 1164 | + $this->last_modified = strftime( '%a, %d %b %Y %H:%M:%S GMT', filemtime( $path ) ); |
| 1165 | + $this->content_type = $this->_guess_content_type( $path ); |
| 1166 | + $this->content_length = (float)filesize( $path ); |
| 1167 | + $this->metadata = NULL; |
| 1168 | + $this->manifest = NULL; |
| 1169 | + return True; |
| 1170 | + } |
| 1171 | +} |
| 1172 | + |
| 1173 | +/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ |
| 1174 | + |
| 1175 | +/* |
| 1176 | + * Local variables: |
| 1177 | + * tab-width: 4 |
| 1178 | + * c-basic-offset: 4 |
| 1179 | + * c-hanging-comment-ender-p: nil |
| 1180 | + * End: |
| 1181 | + */ |
| 1182 | +?> |
Property changes on: trunk/extensions/SwiftMedia/php-fakecloudfiles/fake_cloudfiles.php |
___________________________________________________________________ |
Added: svn:eol-style |
1 | 1183 | + native |