155 lines
6.1 KiB
PHP
155 lines
6.1 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin McCorkell <robin@mccorkell.me.uk>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Thomas Tanghus <thomas@tanghus.net>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\AppFramework;
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use OCP\AppFramework\Http as BaseHttp;
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class Http extends BaseHttp {
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private $server;
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private $protocolVersion;
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protected $headers;
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/**
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* @param array $server $_SERVER
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* @param string $protocolVersion the http version to use defaults to HTTP/1.1
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*/
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public function __construct($server, $protocolVersion='HTTP/1.1') {
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$this->server = $server;
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$this->protocolVersion = $protocolVersion;
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$this->headers = array(
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self::STATUS_CONTINUE => 'Continue',
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self::STATUS_SWITCHING_PROTOCOLS => 'Switching Protocols',
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self::STATUS_PROCESSING => 'Processing',
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self::STATUS_OK => 'OK',
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self::STATUS_CREATED => 'Created',
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self::STATUS_ACCEPTED => 'Accepted',
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self::STATUS_NON_AUTHORATIVE_INFORMATION => 'Non-Authorative Information',
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self::STATUS_NO_CONTENT => 'No Content',
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self::STATUS_RESET_CONTENT => 'Reset Content',
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self::STATUS_PARTIAL_CONTENT => 'Partial Content',
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self::STATUS_MULTI_STATUS => 'Multi-Status', // RFC 4918
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self::STATUS_ALREADY_REPORTED => 'Already Reported', // RFC 5842
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self::STATUS_IM_USED => 'IM Used', // RFC 3229
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self::STATUS_MULTIPLE_CHOICES => 'Multiple Choices',
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self::STATUS_MOVED_PERMANENTLY => 'Moved Permanently',
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self::STATUS_FOUND => 'Found',
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self::STATUS_SEE_OTHER => 'See Other',
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self::STATUS_NOT_MODIFIED => 'Not Modified',
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self::STATUS_USE_PROXY => 'Use Proxy',
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self::STATUS_RESERVED => 'Reserved',
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self::STATUS_TEMPORARY_REDIRECT => 'Temporary Redirect',
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self::STATUS_BAD_REQUEST => 'Bad request',
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self::STATUS_UNAUTHORIZED => 'Unauthorized',
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self::STATUS_PAYMENT_REQUIRED => 'Payment Required',
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self::STATUS_FORBIDDEN => 'Forbidden',
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self::STATUS_NOT_FOUND => 'Not Found',
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self::STATUS_METHOD_NOT_ALLOWED => 'Method Not Allowed',
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self::STATUS_NOT_ACCEPTABLE => 'Not Acceptable',
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self::STATUS_PROXY_AUTHENTICATION_REQUIRED => 'Proxy Authentication Required',
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self::STATUS_REQUEST_TIMEOUT => 'Request Timeout',
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self::STATUS_CONFLICT => 'Conflict',
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self::STATUS_GONE => 'Gone',
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self::STATUS_LENGTH_REQUIRED => 'Length Required',
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self::STATUS_PRECONDITION_FAILED => 'Precondition failed',
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self::STATUS_REQUEST_ENTITY_TOO_LARGE => 'Request Entity Too Large',
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self::STATUS_REQUEST_URI_TOO_LONG => 'Request-URI Too Long',
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self::STATUS_UNSUPPORTED_MEDIA_TYPE => 'Unsupported Media Type',
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self::STATUS_REQUEST_RANGE_NOT_SATISFIABLE => 'Requested Range Not Satisfiable',
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self::STATUS_EXPECTATION_FAILED => 'Expectation Failed',
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self::STATUS_IM_A_TEAPOT => 'I\'m a teapot', // RFC 2324
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self::STATUS_UNPROCESSABLE_ENTITY => 'Unprocessable Entity', // RFC 4918
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self::STATUS_LOCKED => 'Locked', // RFC 4918
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self::STATUS_FAILED_DEPENDENCY => 'Failed Dependency', // RFC 4918
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self::STATUS_UPGRADE_REQUIRED => 'Upgrade required',
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self::STATUS_PRECONDITION_REQUIRED => 'Precondition required', // draft-nottingham-http-new-status
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self::STATUS_TOO_MANY_REQUESTS => 'Too Many Requests', // draft-nottingham-http-new-status
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self::STATUS_REQUEST_HEADER_FIELDS_TOO_LARGE => 'Request Header Fields Too Large', // draft-nottingham-http-new-status
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self::STATUS_INTERNAL_SERVER_ERROR => 'Internal Server Error',
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self::STATUS_NOT_IMPLEMENTED => 'Not Implemented',
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self::STATUS_BAD_GATEWAY => 'Bad Gateway',
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self::STATUS_SERVICE_UNAVAILABLE => 'Service Unavailable',
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self::STATUS_GATEWAY_TIMEOUT => 'Gateway Timeout',
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self::STATUS_HTTP_VERSION_NOT_SUPPORTED => 'HTTP Version not supported',
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self::STATUS_VARIANT_ALSO_NEGOTIATES => 'Variant Also Negotiates',
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self::STATUS_INSUFFICIENT_STORAGE => 'Insufficient Storage', // RFC 4918
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self::STATUS_LOOP_DETECTED => 'Loop Detected', // RFC 5842
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self::STATUS_BANDWIDTH_LIMIT_EXCEEDED => 'Bandwidth Limit Exceeded', // non-standard
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self::STATUS_NOT_EXTENDED => 'Not extended',
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self::STATUS_NETWORK_AUTHENTICATION_REQUIRED => 'Network Authentication Required', // draft-nottingham-http-new-status
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);
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}
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/**
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* Gets the correct header
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* @param Http::CONSTANT $status the constant from the Http class
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* @param \DateTime $lastModified formatted last modified date
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* @param string $ETag the etag
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* @return string
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*/
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public function getStatusHeader($status, \DateTime $lastModified=null,
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$ETag=null) {
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if(!is_null($lastModified)) {
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$lastModified = $lastModified->format(\DateTime::RFC2822);
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}
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// if etag or lastmodified have not changed, return a not modified
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if ((isset($this->server['HTTP_IF_NONE_MATCH'])
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&& trim(trim($this->server['HTTP_IF_NONE_MATCH']), '"') === (string)$ETag)
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||
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(isset($this->server['HTTP_IF_MODIFIED_SINCE'])
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&& trim($this->server['HTTP_IF_MODIFIED_SINCE']) ===
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$lastModified)) {
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$status = self::STATUS_NOT_MODIFIED;
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}
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// we have one change currently for the http 1.0 header that differs
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// from 1.1: STATUS_TEMPORARY_REDIRECT should be STATUS_FOUND
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// if this differs any more, we want to create childclasses for this
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if($status === self::STATUS_TEMPORARY_REDIRECT
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&& $this->protocolVersion === 'HTTP/1.0') {
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$status = self::STATUS_FOUND;
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}
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return $this->protocolVersion . ' ' . $status . ' ' .
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$this->headers[$status];
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}
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}
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