1 /* 2 * Copyright (C) 2010 Apple Inc. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 */ 26 27 #ifndef SchemeRegistry_h 28 #define SchemeRegistry_h 29 30 #include "platform/PlatformExport.h" 31 #include "wtf/HashSet.h" 32 #include "wtf/text/StringHash.h" 33 #include "wtf/text/WTFString.h" 34 35 namespace blink { 36 37 typedef HashSet<String, CaseFoldingHash> URLSchemesMap; 38 39 class PLATFORM_EXPORT SchemeRegistry { 40 public: 41 static void registerURLSchemeAsLocal(const String&); 42 static void removeURLSchemeRegisteredAsLocal(const String&); 43 static const URLSchemesMap& localSchemes(); 44 45 static bool shouldTreatURLSchemeAsLocal(const String&); 46 47 // Secure schemes do not trigger mixed content warnings. For example, 48 // https and data are secure schemes because they cannot be corrupted by 49 // active network attackers. 50 static void registerURLSchemeAsSecure(const String&); 51 static bool shouldTreatURLSchemeAsSecure(const String&); 52 53 static void registerURLSchemeAsNoAccess(const String&); 54 static bool shouldTreatURLSchemeAsNoAccess(const String&); 55 56 // Display-isolated schemes can only be displayed (in the sense of 57 // SecurityOrigin::canDisplay) by documents from the same scheme. 58 static void registerURLSchemeAsDisplayIsolated(const String&); 59 static bool shouldTreatURLSchemeAsDisplayIsolated(const String&); 60 61 static void registerURLSchemeAsEmptyDocument(const String&); 62 static bool shouldLoadURLSchemeAsEmptyDocument(const String&); 63 64 static void setDomainRelaxationForbiddenForURLScheme(bool forbidden, const String&); 65 static bool isDomainRelaxationForbiddenForURLScheme(const String&); 66 67 // Such schemes should delegate to SecurityOrigin::canRequest for any URL 68 // passed to SecurityOrigin::canDisplay. 69 static bool canDisplayOnlyIfCanRequest(const String& scheme); 70 static void registerAsCanDisplayOnlyIfCanRequest(const String& scheme); 71 72 // Schemes against which javascript: URLs should not be allowed to run (stop 73 // bookmarklets from running on sensitive pages). 74 static void registerURLSchemeAsNotAllowingJavascriptURLs(const String& scheme); 75 static bool shouldTreatURLSchemeAsNotAllowingJavascriptURLs(const String& scheme); 76 77 // Allow non-HTTP schemes to be registered to allow CORS requests. 78 static void registerURLSchemeAsCORSEnabled(const String& scheme); 79 static bool shouldTreatURLSchemeAsCORSEnabled(const String& scheme); 80 81 // Serialize the registered schemes in a comma-separated list. 82 static String listOfCORSEnabledURLSchemes(); 83 84 // "Legacy" schemes (e.g. 'ftp:', 'gopher:') which we might want to treat differently from "webby" schemes. 85 static void registerURLSchemeAsLegacy(const String& scheme); 86 static bool shouldTreatURLSchemeAsLegacy(const String& scheme); 87 88 // Allow resources from some schemes to load on a page, regardless of its 89 // Content Security Policy. 90 static void registerURLSchemeAsBypassingContentSecurityPolicy(const String& scheme); 91 static void removeURLSchemeRegisteredAsBypassingContentSecurityPolicy(const String& scheme); 92 static bool schemeShouldBypassContentSecurityPolicy(const String& scheme); 93 }; 94 95 } // namespace blink 96 97 #endif // SchemeRegistry_h 98
