1 /* 2 * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org) 3 * Copyright (C) 2009 Google Inc. All rights reserved. 4 * Copyright (C) 2011 Apple Inc. All Rights Reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. 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 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 16 * its contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 26 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef HTTPParsers_h 32 #define HTTPParsers_h 33 34 #include "platform/PlatformExport.h" 35 #include "wtf/Forward.h" 36 #include "wtf/Vector.h" 37 38 namespace blink { 39 40 typedef enum { 41 ContentDispositionNone, 42 ContentDispositionInline, 43 ContentDispositionAttachment, 44 ContentDispositionOther 45 } ContentDispositionType; 46 47 enum ContentTypeOptionsDisposition { 48 ContentTypeOptionsNone, 49 ContentTypeOptionsNosniff 50 }; 51 52 enum XFrameOptionsDisposition { 53 XFrameOptionsNone, 54 XFrameOptionsDeny, 55 XFrameOptionsSameOrigin, 56 XFrameOptionsAllowAll, 57 XFrameOptionsInvalid, 58 XFrameOptionsConflict 59 }; 60 61 // Be sure to update the behavior of XSSAuditor::combineXSSProtectionHeaderAndCSP whenever you change this enum's content or ordering. 62 enum ReflectedXSSDisposition { 63 ReflectedXSSUnset = 0, 64 AllowReflectedXSS, 65 ReflectedXSSInvalid, 66 FilterReflectedXSS, 67 BlockReflectedXSS 68 }; 69 70 struct CacheControlHeader { 71 bool parsed : 1; 72 bool containsNoCache : 1; 73 bool containsNoStore : 1; 74 bool containsMustRevalidate : 1; 75 double maxAge; 76 CacheControlHeaderCacheControlHeader77 CacheControlHeader() 78 : parsed(false) 79 , containsNoCache(false) 80 , containsNoStore(false) 81 , containsMustRevalidate(false) 82 , maxAge(0.0) 83 { 84 } 85 }; 86 87 PLATFORM_EXPORT ContentDispositionType contentDispositionType(const String&); 88 PLATFORM_EXPORT bool isValidHTTPHeaderValue(const String&); 89 PLATFORM_EXPORT bool isValidHTTPToken(const String&); 90 PLATFORM_EXPORT bool parseHTTPRefresh(const String& refresh, bool fromHttpEquivMeta, double& delay, String& url); 91 PLATFORM_EXPORT double parseDate(const String&); 92 PLATFORM_EXPORT String filenameFromHTTPContentDisposition(const String&); 93 PLATFORM_EXPORT AtomicString extractMIMETypeFromMediaType(const AtomicString&); 94 PLATFORM_EXPORT String extractCharsetFromMediaType(const String&); 95 PLATFORM_EXPORT void findCharsetInMediaType(const String& mediaType, unsigned& charsetPos, unsigned& charsetLen, unsigned start = 0); 96 PLATFORM_EXPORT ReflectedXSSDisposition parseXSSProtectionHeader(const String& header, String& failureReason, unsigned& failurePosition, String& reportURL); 97 PLATFORM_EXPORT String extractReasonPhraseFromHTTPStatusLine(const String&); 98 PLATFORM_EXPORT XFrameOptionsDisposition parseXFrameOptionsHeader(const String&); 99 PLATFORM_EXPORT CacheControlHeader parseCacheControlDirectives(const AtomicString& cacheControlHeader, const AtomicString& pragmaHeader); 100 101 // -1 could be set to one of the return parameters to indicate the value is not specified. 102 PLATFORM_EXPORT bool parseRange(const String&, long long& rangeOffset, long long& rangeEnd, long long& rangeSuffixLength); 103 104 PLATFORM_EXPORT ContentTypeOptionsDisposition parseContentTypeOptionsHeader(const String& header); 105 106 // Parsing Complete HTTP Messages. 107 enum HTTPVersion { Unknown, HTTP_1_0, HTTP_1_1 }; 108 PLATFORM_EXPORT size_t parseHTTPRequestLine(const char* data, size_t length, String& failureReason, String& method, String& url, HTTPVersion&); 109 PLATFORM_EXPORT size_t parseHTTPHeader(const char* data, size_t length, String& failureReason, AtomicString& nameStr, AtomicString& valueStr); 110 PLATFORM_EXPORT size_t parseHTTPRequestBody(const char* data, size_t length, Vector<unsigned char>& body); 111 112 } 113 114 #endif 115