The Tor Browser / file comparison
comparison: browser/components/about/AboutRedirector.cpp
browser/components/about/AboutRedirector.cpp
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 // See also: docshell/base/nsAboutRedirector.cpp | |
| 7 | |
| 8 #include "AboutRedirector.h" | |
| 9 #include "nsNetUtil.h" | |
| 10 #include "nsIScriptSecurityManager.h" | |
| 11 #include "mozilla/ArrayUtils.h" | |
| 12 | |
| 13 namespace mozilla { | |
| 14 namespace browser { | |
| 15 | |
| 16 NS_IMPL_ISUPPORTS(AboutRedirector, nsIAboutModule) | |
| 17 | |
| 18 struct RedirEntry { | |
| 19 const char* id; | |
| 20 const char* url; | |
| 21 uint32_t flags; | |
| 22 }; | |
| 23 | |
| 24 /* | |
| 25 Entries which do not have URI_SAFE_FOR_UNTRUSTED_CONTENT will run with chrome | |
| 26 privileges. This is potentially dangerous. Please use | |
| 27 URI_SAFE_FOR_UNTRUSTED_CONTENT in the third argument to each map item below | |
| 28 unless your about: page really needs chrome privileges. Security review is | |
| 29 required before adding new map entries without | |
| 30 URI_SAFE_FOR_UNTRUSTED_CONTENT. Also note, however, that adding | |
| 31 URI_SAFE_FOR_UNTRUSTED_CONTENT will allow random web sites to link to that | |
| 32 URI. Perhaps we should separate the two concepts out... | |
| 33 */ | |
| 34 static RedirEntry kRedirMap[] = { | |
| 35 #ifdef MOZ_SAFE_BROWSING | |
| 36 { "blocked", "chrome://browser/content/blockedSite.xhtml", | |
| 37 nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT | | |
| 38 nsIAboutModule::ALLOW_SCRIPT | | |
| 39 nsIAboutModule::HIDE_FROM_ABOUTABOUT }, | |
| 40 #endif | |
| 41 { "certerror", "chrome://browser/content/certerror/aboutCertError.xhtml", | |
| 42 nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT | | |
| 43 nsIAboutModule::ALLOW_SCRIPT | | |
| 44 nsIAboutModule::HIDE_FROM_ABOUTABOUT }, | |
| 45 { "socialerror", "chrome://browser/content/aboutSocialError.xhtml", | |
| 46 nsIAboutModule::ALLOW_SCRIPT | | |
| 47 nsIAboutModule::HIDE_FROM_ABOUTABOUT }, | |
| 48 { "tabcrashed", "chrome://browser/content/aboutTabCrashed.xhtml", | |
| 49 nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT | | |
| 50 nsIAboutModule::ALLOW_SCRIPT | | |
| 51 nsIAboutModule::HIDE_FROM_ABOUTABOUT }, | |
| 52 { "feeds", "chrome://browser/content/feeds/subscribe.xhtml", | |
| 53 nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT | | |
| 54 nsIAboutModule::ALLOW_SCRIPT | | |
| 55 nsIAboutModule::HIDE_FROM_ABOUTABOUT }, | |
| 56 { "privatebrowsing", "chrome://browser/content/aboutPrivateBrowsing.xhtml", | |
| 57 nsIAboutModule::ALLOW_SCRIPT }, | |
| 58 { "rights", | |
| 59 #ifdef MOZ_OFFICIAL_BRANDING | |
| 60 "chrome://global/content/aboutRights.xhtml", | |
| 61 #else | |
| 62 "chrome://global/content/aboutRights-unbranded.xhtml", | |
| 63 #endif | |
| 64 nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT | | |
| 65 nsIAboutModule::ALLOW_SCRIPT }, | |
| 66 { "robots", "chrome://browser/content/aboutRobots.xhtml", | |
| 67 nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT | | |
| 68 nsIAboutModule::ALLOW_SCRIPT }, | |
| 69 { "sessionrestore", "chrome://browser/content/aboutSessionRestore.xhtml", | |
| 70 nsIAboutModule::ALLOW_SCRIPT }, | |
| 71 { "welcomeback", "chrome://browser/content/aboutWelcomeBack.xhtml", | |
| 72 nsIAboutModule::ALLOW_SCRIPT }, | |
| 73 #ifdef MOZ_SERVICES_SYNC | |
| 74 { "sync-progress", "chrome://browser/content/sync/progress.xhtml", | |
| 75 nsIAboutModule::ALLOW_SCRIPT }, | |
| 76 { "sync-tabs", "chrome://browser/content/sync/aboutSyncTabs.xul", | |
| 77 nsIAboutModule::ALLOW_SCRIPT }, | |
| 78 #endif | |
| 79 { "home", "chrome://browser/content/abouthome/aboutHome.xhtml", | |
| 80 nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT | | |
| 81 nsIAboutModule::ALLOW_SCRIPT }, | |
| 82 { "newtab", "chrome://browser/content/newtab/newTab.xul", | |
| 83 nsIAboutModule::ALLOW_SCRIPT }, | |
| 84 { "permissions", "chrome://browser/content/preferences/aboutPermissions.xul", | |
| 85 nsIAboutModule::ALLOW_SCRIPT }, | |
| 86 { "preferences", "chrome://browser/content/preferences/in-content/preferences.xul", | |
| 87 nsIAboutModule::ALLOW_SCRIPT }, | |
| 88 { "downloads", "chrome://browser/content/downloads/contentAreaDownloadsView.xul", | |
| 89 nsIAboutModule::ALLOW_SCRIPT }, | |
| 90 #ifdef MOZ_SERVICES_HEALTHREPORT | |
| 91 { "healthreport", "chrome://browser/content/abouthealthreport/abouthealth.xhtml", | |
| 92 nsIAboutModule::ALLOW_SCRIPT }, | |
| 93 #endif | |
| 94 { "accounts", "chrome://browser/content/aboutaccounts/aboutaccounts.xhtml", | |
| 95 nsIAboutModule::ALLOW_SCRIPT }, | |
| 96 { "app-manager", "chrome://browser/content/devtools/app-manager/index.xul", | |
| 97 nsIAboutModule::ALLOW_SCRIPT }, | |
| 98 { "customizing", "chrome://browser/content/customizableui/aboutCustomizing.xul", | |
| 99 nsIAboutModule::ALLOW_SCRIPT }, | |
| 100 }; | |
| 101 static const int kRedirTotal = ArrayLength(kRedirMap); | |
| 102 | |
| 103 static nsAutoCString | |
| 104 GetAboutModuleName(nsIURI *aURI) | |
| 105 { | |
| 106 nsAutoCString path; | |
| 107 aURI->GetPath(path); | |
| 108 | |
| 109 int32_t f = path.FindChar('#'); | |
| 110 if (f >= 0) | |
| 111 path.SetLength(f); | |
| 112 | |
| 113 f = path.FindChar('?'); | |
| 114 if (f >= 0) | |
| 115 path.SetLength(f); | |
| 116 | |
| 117 ToLowerCase(path); | |
| 118 return path; | |
| 119 } | |
| 120 | |
| 121 NS_IMETHODIMP | |
| 122 AboutRedirector::NewChannel(nsIURI *aURI, nsIChannel **result) | |
| 123 { | |
| 124 NS_ENSURE_ARG_POINTER(aURI); | |
| 125 NS_ASSERTION(result, "must not be null"); | |
| 126 | |
| 127 nsAutoCString path = GetAboutModuleName(aURI); | |
| 128 | |
| 129 nsresult rv; | |
| 130 nsCOMPtr<nsIIOService> ioService = do_GetIOService(&rv); | |
| 131 NS_ENSURE_SUCCESS(rv, rv); | |
| 132 | |
| 133 for (int i = 0; i < kRedirTotal; i++) { | |
| 134 if (!strcmp(path.get(), kRedirMap[i].id)) { | |
| 135 nsCOMPtr<nsIChannel> tempChannel; | |
| 136 rv = ioService->NewChannel(nsDependentCString(kRedirMap[i].url), | |
| 137 nullptr, nullptr, getter_AddRefs(tempChannel)); | |
| 138 NS_ENSURE_SUCCESS(rv, rv); | |
| 139 | |
| 140 tempChannel->SetOriginalURI(aURI); | |
| 141 | |
| 142 NS_ADDREF(*result = tempChannel); | |
| 143 return rv; | |
| 144 } | |
| 145 } | |
| 146 | |
| 147 return NS_ERROR_ILLEGAL_VALUE; | |
| 148 } | |
| 149 | |
| 150 NS_IMETHODIMP | |
| 151 AboutRedirector::GetURIFlags(nsIURI *aURI, uint32_t *result) | |
| 152 { | |
| 153 NS_ENSURE_ARG_POINTER(aURI); | |
| 154 | |
| 155 nsAutoCString name = GetAboutModuleName(aURI); | |
| 156 | |
| 157 for (int i = 0; i < kRedirTotal; i++) { | |
| 158 if (name.Equals(kRedirMap[i].id)) { | |
| 159 *result = kRedirMap[i].flags; | |
| 160 return NS_OK; | |
| 161 } | |
| 162 } | |
| 163 | |
| 164 return NS_ERROR_ILLEGAL_VALUE; | |
| 165 } | |
| 166 | |
| 167 nsresult | |
| 168 AboutRedirector::Create(nsISupports *aOuter, REFNSIID aIID, void **result) | |
| 169 { | |
| 170 AboutRedirector* about = new AboutRedirector(); | |
| 171 if (about == nullptr) | |
| 172 return NS_ERROR_OUT_OF_MEMORY; | |
| 173 NS_ADDREF(about); | |
| 174 nsresult rv = about->QueryInterface(aIID, result); | |
| 175 NS_RELEASE(about); | |
| 176 return rv; | |
| 177 } | |
| 178 | |
| 179 } // namespace browser | |
| 180 } // namespace mozilla |
