| <?php |
| /** |
| * File containing the abstract ezcWebdavRequest class. |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| * @package Webdav |
| * @version //autogentag// |
| * @copyright Copyright (C) 2005-2010 eZ Systems AS. All rights reserved. |
| * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0 |
| */ |
| /** |
| * Base class for request objects. |
| * |
| * This base class must be extended by all request representation classes. |
| * |
| * @version //autogentag// |
| * @package Webdav |
| */ |
| abstract class ezcWebdavRequest |
| { |
| /** |
| * Constants for the 'Depth' headers and property fields. |
| */ |
| const DEPTH_ZERO = 0; |
| const DEPTH_ONE = 1; |
| const DEPTH_INFINITY = -1; |
| |
| /** |
| * Properties. |
| * |
| * @var array(string=>mixed) |
| */ |
| protected $properties = array(); |
| |
| |
| /** |
| * Container for header information. |
| * |
| * @var array(string=>mixed) |
| */ |
| protected $headers = array(); |
| |
| /** |
| * Indicates wheather the validateHeaders method has already been called. |
| * |
| * Otherwise getHeader() will throw an exception because of unvalidated |
| * headers. |
| * |
| * @var bool |
| */ |
| private $validated = false; |
| |
| /** |
| * Creates a new request object. |
| * |
| * Creates a new request object that refers to the given $requestUri, which |
| * is a path understandable by the {@link ezcWebdavBackend}. |
| * |
| * @param string $requestUri |
| * @return void |
| */ |
| public function __construct( $requestUri ) |
| { |
| $this->properties['requestUri'] = $requestUri; |
| $this->setHeader( 'Authorization', new ezcWebdavAnonymousAuth() ); |
| } |
| |
| /** |
| * Validates the headers set in this request. |
| * |
| * This method is called by {@link ezcWebdavServer} after the request object has |
| * been created by an {@link ezcWebdavTransport}. It must validate all headers |
| * specific for this request for existance of required headers and validity |
| * of all headers used by the specific request implementation. The call of |
| * the parent method is *mandatory* to have common WebDAV and HTTP headers |
| * validated, too! |
| * |
| * @return void |
| * |
| * @throws ezcWebdavMissingHeaderException |
| * if a required header is missing. |
| * @throws ezcWebdavInvalidHeaderException |
| * if a header is present, but its content does not validate. |
| */ |
| public function validateHeaders() |
| { |
| $this->validated = true; |
| } |
| |
| /** |
| * Sets a header to a specified value. |
| * |
| * Sets the value for $header to $headerValue. All processable headers will |
| * be validated centrally in {@link validateHeaders()}. |
| * |
| * For validation of header content, the method {@link validateHeaders()} |
| * can be overwritten. |
| * |
| * @param string $headerName |
| * @param mixed $headerValue |
| * @return void |
| */ |
| public final function setHeader( $headerName, $headerValue ) |
| { |
| $this->headers[$headerName] = $headerValue; |
| $this->validated = false; |
| } |
| |
| /** |
| * Sets a header to a specified value. |
| * |
| * Sets the values for the headers given in $headers to the specified |
| * values. All processable headers will be validated centrally in {@link |
| * validateHeaders()}. |
| * |
| * For validation of header content, the method {@link validateHeaders()} |
| * can be overwritten. |
| * |
| * @param array $headers |
| * @return void |
| */ |
| public final function setHeaders( array $headers ) |
| { |
| $this->headers = array_merge( $this->headers, $headers ); |
| $this->validated = false; |
| } |
| |
| /** |
| * Returns the contents of a specific header. |
| * |
| * Returns the content of the header identified with $headerName with the |
| * given name and null if no content for the header is available. |
| * |
| * @param string $headerName |
| * @return mixed |
| */ |
| public final function getHeader( $headerName ) |
| { |
| if ( $this->validated !== true ) |
| { |
| throw new ezcWebdavHeadersNotValidatedException( $headerName ); |
| } |
| |
| return isset( $this->headers[$headerName] ) ? $this->headers[$headerName] : null; |
| } |
| |
| /** |
| * Sets a property. |
| * |
| * This method is called when an property is to be set. |
| * |
| * @param string $propertyName The name of the property to set. |
| * @param mixed $propertyValue The property value. |
| * @return void |
| * @ignore |
| * |
| * @throws ezcBasePropertyNotFoundException |
| * if the given property does not exist. |
| * @throws ezcBaseValueException |
| * if the value to be assigned to a property is invalid. |
| * @throws ezcBasePropertyPermissionException |
| * if the property to be set is a read-only property. |
| */ |
| public function __set( $propertyName, $propertyValue ) |
| { |
| switch ( $propertyName ) |
| { |
| case 'requestUri': |
| throw new ezcBasePropertyPermissionException( |
| $propertyName, |
| ezcBasePropertyPermissionException::READ |
| ); |
| |
| default: |
| throw new ezcBasePropertyNotFoundException( $propertyName ); |
| } |
| } |
| |
| /** |
| * Property get access. |
| * |
| * Simply returns a given property. |
| * |
| * @param string $propertyName The name of the property to get. |
| * @return mixed The property value. |
| * |
| * @ignore |
| * |
| * @throws ezcBasePropertyNotFoundException |
| * if the given property does not exist. |
| * @throws ezcBasePropertyPermissionException |
| * if the property to be set is a write-only property. |
| */ |
| public function __get( $propertyName ) |
| { |
| if ( $this->__isset( $propertyName ) ) |
| { |
| return $this->properties[$propertyName]; |
| } |
| throw new ezcBasePropertyNotFoundException( $propertyName ); |
| } |
| |
| /** |
| * Returns if a property exists. |
| * |
| * Returns true if the property exists in the {@link $properties} array |
| * (even if it is null) and false otherwise. |
| * |
| * @param string $propertyName Option name to check for. |
| * @return void |
| * @ignore |
| */ |
| public function __isset( $propertyName ) |
| { |
| return array_key_exists( $propertyName, $this->properties ); |
| } |
| } |
| |
| ?> |