The Tor Browser / annotate

chrome/src/nsChromeRegistryContent.cpp@97036ab72558 (annotated)

chrome/src/nsChromeRegistryContent.cpp

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "RegistryMessageUtils.h"
michael@0 7 #include "nsChromeRegistryContent.h"
michael@0 8 #include "nsString.h"
michael@0 9 #include "nsNetUtil.h"
michael@0 10 #include "nsIResProtocolHandler.h"
michael@0 11
michael@0 12 nsChromeRegistryContent::nsChromeRegistryContent()
michael@0 13 {
michael@0 14 }
michael@0 15
michael@0 16 void
michael@0 17 nsChromeRegistryContent::RegisterRemoteChrome(
michael@0 18 const InfallibleTArray<ChromePackage>& aPackages,
michael@0 19 const InfallibleTArray<ResourceMapping>& aResources,
michael@0 20 const InfallibleTArray<OverrideMapping>& aOverrides,
michael@0 21 const nsACString& aLocale)
michael@0 22 {
michael@0 23 NS_ABORT_IF_FALSE(mLocale == nsDependentCString(""),
michael@0 24 "RegisterChrome twice?");
michael@0 25
michael@0 26 for (uint32_t i = aPackages.Length(); i > 0; ) {
michael@0 27 --i;
michael@0 28 RegisterPackage(aPackages[i]);
michael@0 29 }
michael@0 30
michael@0 31 for (uint32_t i = aResources.Length(); i > 0; ) {
michael@0 32 --i;
michael@0 33 RegisterResource(aResources[i]);
michael@0 34 }
michael@0 35
michael@0 36 for (uint32_t i = aOverrides.Length(); i > 0; ) {
michael@0 37 --i;
michael@0 38 RegisterOverride(aOverrides[i]);
michael@0 39 }
michael@0 40
michael@0 41 mLocale = aLocale;
michael@0 42 }
michael@0 43
michael@0 44 void
michael@0 45 nsChromeRegistryContent::RegisterPackage(const ChromePackage& aPackage)
michael@0 46 {
michael@0 47 nsCOMPtr<nsIIOService> io (do_GetIOService());
michael@0 48 if (!io)
michael@0 49 return;
michael@0 50
michael@0 51 nsCOMPtr<nsIURI> content, locale, skin;
michael@0 52
michael@0 53 if (aPackage.contentBaseURI.spec.Length()) {
michael@0 54 nsresult rv = NS_NewURI(getter_AddRefs(content),
michael@0 55 aPackage.contentBaseURI.spec,
michael@0 56 aPackage.contentBaseURI.charset.get(),
michael@0 57 nullptr, io);
michael@0 58 if (NS_FAILED(rv))
michael@0 59 return;
michael@0 60 }
michael@0 61 if (aPackage.localeBaseURI.spec.Length()) {
michael@0 62 nsresult rv = NS_NewURI(getter_AddRefs(locale),
michael@0 63 aPackage.localeBaseURI.spec,
michael@0 64 aPackage.localeBaseURI.charset.get(),
michael@0 65 nullptr, io);
michael@0 66 if (NS_FAILED(rv))
michael@0 67 return;
michael@0 68 }
michael@0 69 if (aPackage.skinBaseURI.spec.Length()) {
michael@0 70 nsCOMPtr<nsIURI> skinBaseURI;
michael@0 71 nsresult rv = NS_NewURI(getter_AddRefs(skin),
michael@0 72 aPackage.skinBaseURI.spec,
michael@0 73 aPackage.skinBaseURI.charset.get(),
michael@0 74 nullptr, io);
michael@0 75 if (NS_FAILED(rv))
michael@0 76 return;
michael@0 77 }
michael@0 78
michael@0 79 PackageEntry* entry = new PackageEntry;
michael@0 80 entry->flags = aPackage.flags;
michael@0 81 entry->contentBaseURI = content;
michael@0 82 entry->localeBaseURI = locale;
michael@0 83 entry->skinBaseURI = skin;
michael@0 84
michael@0 85 mPackagesHash.Put(aPackage.package, entry);
michael@0 86 }
michael@0 87
michael@0 88 void
michael@0 89 nsChromeRegistryContent::RegisterResource(const ResourceMapping& aResource)
michael@0 90 {
michael@0 91 nsCOMPtr<nsIIOService> io (do_GetIOService());
michael@0 92 if (!io)
michael@0 93 return;
michael@0 94
michael@0 95 nsCOMPtr<nsIProtocolHandler> ph;
michael@0 96 nsresult rv = io->GetProtocolHandler("resource", getter_AddRefs(ph));
michael@0 97 if (NS_FAILED(rv))
michael@0 98 return;
michael@0 99
michael@0 100 nsCOMPtr<nsIResProtocolHandler> rph (do_QueryInterface(ph));
michael@0 101 if (!rph)
michael@0 102 return;
michael@0 103
michael@0 104 nsCOMPtr<nsIURI> resolvedURI;
michael@0 105 if (aResource.resolvedURI.spec.Length()) {
michael@0 106 nsresult rv = NS_NewURI(getter_AddRefs(resolvedURI),
michael@0 107 aResource.resolvedURI.spec,
michael@0 108 aResource.resolvedURI.charset.get(),
michael@0 109 nullptr, io);
michael@0 110 if (NS_FAILED(rv))
michael@0 111 return;
michael@0 112 }
michael@0 113
michael@0 114 rv = rph->SetSubstitution(aResource.resource, resolvedURI);
michael@0 115 if (NS_FAILED(rv))
michael@0 116 return;
michael@0 117 }
michael@0 118
michael@0 119 void
michael@0 120 nsChromeRegistryContent::RegisterOverride(const OverrideMapping& aOverride)
michael@0 121 {
michael@0 122 nsCOMPtr<nsIIOService> io (do_GetIOService());
michael@0 123 if (!io)
michael@0 124 return;
michael@0 125
michael@0 126 nsCOMPtr<nsIURI> chromeURI, overrideURI;
michael@0 127 nsresult rv = NS_NewURI(getter_AddRefs(chromeURI),
michael@0 128 aOverride.originalURI.spec,
michael@0 129 aOverride.originalURI.charset.get(),
michael@0 130 nullptr, io);
michael@0 131 if (NS_FAILED(rv))
michael@0 132 return;
michael@0 133
michael@0 134 rv = NS_NewURI(getter_AddRefs(overrideURI), aOverride.overrideURI.spec,
michael@0 135 aOverride.overrideURI.charset.get(), nullptr, io);
michael@0 136 if (NS_FAILED(rv))
michael@0 137 return;
michael@0 138
michael@0 139 mOverrideTable.Put(chromeURI, overrideURI);
michael@0 140 }
michael@0 141
michael@0 142 nsIURI*
michael@0 143 nsChromeRegistryContent::GetBaseURIFromPackage(const nsCString& aPackage,
michael@0 144 const nsCString& aProvider,
michael@0 145 const nsCString& aPath)
michael@0 146 {
michael@0 147 PackageEntry* entry;
michael@0 148 if (!mPackagesHash.Get(aPackage, &entry)) {
michael@0 149 return nullptr;
michael@0 150 }
michael@0 151
michael@0 152 if (aProvider.EqualsLiteral("locale")) {
michael@0 153 return entry->localeBaseURI;
michael@0 154 }
michael@0 155 else if (aProvider.EqualsLiteral("skin")) {
michael@0 156 return entry->skinBaseURI;
michael@0 157 }
michael@0 158 else if (aProvider.EqualsLiteral("content")) {
michael@0 159 return entry->contentBaseURI;
michael@0 160 }
michael@0 161 return nullptr;
michael@0 162 }
michael@0 163
michael@0 164 nsresult
michael@0 165 nsChromeRegistryContent::GetFlagsFromPackage(const nsCString& aPackage,
michael@0 166 uint32_t* aFlags)
michael@0 167 {
michael@0 168 PackageEntry* entry;
michael@0 169 if (!mPackagesHash.Get(aPackage, &entry)) {
michael@0 170 return NS_ERROR_FAILURE;
michael@0 171 }
michael@0 172 *aFlags = entry->flags;
michael@0 173 return NS_OK;
michael@0 174 }
michael@0 175
michael@0 176 // All functions following only make sense in chrome, and therefore assert
michael@0 177
michael@0 178 #define CONTENT_NOTREACHED() \
michael@0 179 NS_NOTREACHED("Content should not be calling this")
michael@0 180
michael@0 181 #define CONTENT_NOT_IMPLEMENTED() \
michael@0 182 CONTENT_NOTREACHED(); \
michael@0 183 return NS_ERROR_NOT_IMPLEMENTED;
michael@0 184
michael@0 185 NS_IMETHODIMP
michael@0 186 nsChromeRegistryContent::GetLocalesForPackage(const nsACString& aPackage,
michael@0 187 nsIUTF8StringEnumerator* *aResult)
michael@0 188 {
michael@0 189 CONTENT_NOT_IMPLEMENTED();
michael@0 190 }
michael@0 191
michael@0 192 NS_IMETHODIMP
michael@0 193 nsChromeRegistryContent::CheckForOSAccessibility()
michael@0 194 {
michael@0 195 CONTENT_NOT_IMPLEMENTED();
michael@0 196 }
michael@0 197
michael@0 198 NS_IMETHODIMP
michael@0 199 nsChromeRegistryContent::CheckForNewChrome()
michael@0 200 {
michael@0 201 CONTENT_NOT_IMPLEMENTED();
michael@0 202 }
michael@0 203
michael@0 204 NS_IMETHODIMP
michael@0 205 nsChromeRegistryContent::IsLocaleRTL(const nsACString& package,
michael@0 206 bool *aResult)
michael@0 207 {
michael@0 208 CONTENT_NOT_IMPLEMENTED();
michael@0 209 }
michael@0 210
michael@0 211 NS_IMETHODIMP
michael@0 212 nsChromeRegistryContent::GetSelectedLocale(const nsACString& aPackage,
michael@0 213 nsACString& aLocale)
michael@0 214 {
michael@0 215 if (aPackage != nsDependentCString("global")) {
michael@0 216 NS_ERROR("Uh-oh, caller wanted something other than 'some local'");
michael@0 217 return NS_ERROR_NOT_AVAILABLE;
michael@0 218 }
michael@0 219 aLocale = mLocale;
michael@0 220 return NS_OK;
michael@0 221 }
michael@0 222
michael@0 223 NS_IMETHODIMP
michael@0 224 nsChromeRegistryContent::Observe(nsISupports* aSubject, const char* aTopic,
michael@0 225 const char16_t* aData)
michael@0 226 {
michael@0 227 CONTENT_NOT_IMPLEMENTED();
michael@0 228 }
michael@0 229
michael@0 230 NS_IMETHODIMP
michael@0 231 nsChromeRegistryContent::GetStyleOverlays(nsIURI *aChromeURL,
michael@0 232 nsISimpleEnumerator **aResult)
michael@0 233 {
michael@0 234 CONTENT_NOT_IMPLEMENTED();
michael@0 235 }
michael@0 236
michael@0 237 NS_IMETHODIMP
michael@0 238 nsChromeRegistryContent::GetXULOverlays(nsIURI *aChromeURL,
michael@0 239 nsISimpleEnumerator **aResult)
michael@0 240 {
michael@0 241 CONTENT_NOT_IMPLEMENTED();
michael@0 242 }
michael@0 243
michael@0 244 nsresult nsChromeRegistryContent::UpdateSelectedLocale()
michael@0 245 {
michael@0 246 CONTENT_NOT_IMPLEMENTED();
michael@0 247 }
michael@0 248
michael@0 249 void
michael@0 250 nsChromeRegistryContent::ManifestContent(ManifestProcessingContext& cx,
michael@0 251 int lineno, char *const * argv,
michael@0 252 bool platform, bool contentaccessible)
michael@0 253 {
michael@0 254 CONTENT_NOTREACHED();
michael@0 255 }
michael@0 256
michael@0 257 void
michael@0 258 nsChromeRegistryContent::ManifestLocale(ManifestProcessingContext& cx,
michael@0 259 int lineno,
michael@0 260 char *const * argv, bool platform,
michael@0 261 bool contentaccessible)
michael@0 262 {
michael@0 263 CONTENT_NOTREACHED();
michael@0 264 }
michael@0 265
michael@0 266 void
michael@0 267 nsChromeRegistryContent::ManifestSkin(ManifestProcessingContext& cx,
michael@0 268 int lineno,
michael@0 269 char *const * argv, bool platform,
michael@0 270 bool contentaccessible)
michael@0 271 {
michael@0 272 CONTENT_NOTREACHED();
michael@0 273 }
michael@0 274
michael@0 275 void
michael@0 276 nsChromeRegistryContent::ManifestOverlay(ManifestProcessingContext& cx, int lineno,
michael@0 277 char *const * argv, bool platform,
michael@0 278 bool contentaccessible)
michael@0 279 {
michael@0 280 CONTENT_NOTREACHED();
michael@0 281 }
michael@0 282
michael@0 283 void
michael@0 284 nsChromeRegistryContent::ManifestStyle(ManifestProcessingContext& cx,
michael@0 285 int lineno,
michael@0 286 char *const * argv, bool platform,
michael@0 287 bool contentaccessible)
michael@0 288 {
michael@0 289 CONTENT_NOTREACHED();
michael@0 290 }
michael@0 291
michael@0 292 void
michael@0 293 nsChromeRegistryContent::ManifestOverride(ManifestProcessingContext& cx,
michael@0 294 int lineno,
michael@0 295 char *const * argv, bool platform,
michael@0 296 bool contentaccessible)
michael@0 297 {
michael@0 298 CONTENT_NOTREACHED();
michael@0 299 }
michael@0 300
michael@0 301 void
michael@0 302 nsChromeRegistryContent::ManifestResource(ManifestProcessingContext& cx,
michael@0 303 int lineno,
michael@0 304 char *const * argv, bool platform,
michael@0 305 bool contentaccessible)
michael@0 306 {
michael@0 307 CONTENT_NOTREACHED();
michael@0 308 }

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