1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/netwerk/protocol/app/AppProtocolHandler.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,423 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim:set expandtab ts=2 sw=2 sts=2 cin: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "AppProtocolHandler.h"
1.11 +#include "nsBaseChannel.h"
1.12 +#include "nsJARChannel.h"
1.13 +#include "nsNetCID.h"
1.14 +#include "nsIAppsService.h"
1.15 +#include "nsCxPusher.h"
1.16 +#include "nsXULAppAPI.h"
1.17 +
1.18 +/**
1.19 + * This dummy channel implementation only provides enough functionality
1.20 + * to return a fake 404 error when the caller asks for an app:// URL
1.21 + * containing an unknown appId.
1.22 + */
1.23 +class DummyChannel : public nsIJARChannel
1.24 + , nsRunnable
1.25 +{
1.26 +public:
1.27 + NS_DECL_ISUPPORTS
1.28 + NS_DECL_NSIREQUEST
1.29 + NS_DECL_NSICHANNEL
1.30 + NS_DECL_NSIJARCHANNEL
1.31 +
1.32 + DummyChannel();
1.33 +
1.34 + NS_IMETHODIMP Run();
1.35 +
1.36 +private:
1.37 + bool mPending;
1.38 + uint32_t mSuspendCount;
1.39 + nsCOMPtr<nsISupports> mListenerContext;
1.40 + nsCOMPtr<nsIStreamListener> mListener;
1.41 + nsCOMPtr<nsILoadGroup> mLoadGroup;
1.42 + nsLoadFlags mLoadFlags;
1.43 +};
1.44 +
1.45 +NS_IMPL_ISUPPORTS(DummyChannel, nsIRequest, nsIChannel, nsIJARChannel)
1.46 +
1.47 +DummyChannel::DummyChannel() : mPending(false)
1.48 + , mSuspendCount(0)
1.49 + , mLoadFlags(LOAD_NORMAL)
1.50 +{
1.51 +}
1.52 +
1.53 +NS_IMETHODIMP DummyChannel::GetName(nsACString &result)
1.54 +{
1.55 + result = "dummy_app_channel";
1.56 + return NS_OK;
1.57 +}
1.58 +
1.59 +NS_IMETHODIMP DummyChannel::GetStatus(nsresult *aStatus)
1.60 +{
1.61 + *aStatus = NS_ERROR_FILE_NOT_FOUND;
1.62 + return NS_OK;
1.63 +}
1.64 +
1.65 +NS_IMETHODIMP DummyChannel::IsPending(bool *aResult)
1.66 +{
1.67 + *aResult = mPending;
1.68 + return NS_OK;
1.69 +}
1.70 +
1.71 +NS_IMETHODIMP DummyChannel::Suspend()
1.72 +{
1.73 + mSuspendCount++;
1.74 + return NS_OK;
1.75 +}
1.76 +
1.77 +NS_IMETHODIMP DummyChannel::Resume()
1.78 +{
1.79 + if (mSuspendCount <= 0) {
1.80 + return NS_ERROR_UNEXPECTED;
1.81 + }
1.82 +
1.83 + if (--mSuspendCount == 0) {
1.84 + NS_DispatchToMainThread(this, NS_DISPATCH_NORMAL);
1.85 + }
1.86 + return NS_OK;
1.87 +}
1.88 +
1.89 +NS_IMETHODIMP DummyChannel::Open(nsIInputStream**)
1.90 +{
1.91 + return NS_ERROR_NOT_IMPLEMENTED;
1.92 +}
1.93 +
1.94 +NS_IMETHODIMP DummyChannel::AsyncOpen(nsIStreamListener* aListener, nsISupports* aContext)
1.95 +{
1.96 + mListener = aListener;
1.97 + mListenerContext = aContext;
1.98 + mPending = true;
1.99 +
1.100 + if (mLoadGroup) {
1.101 + mLoadGroup->AddRequest(this, aContext);
1.102 + }
1.103 +
1.104 + if (mSuspendCount == 0) {
1.105 + NS_DispatchToMainThread(this, NS_DISPATCH_NORMAL);
1.106 + }
1.107 +
1.108 + return NS_OK;
1.109 +}
1.110 +
1.111 +// nsIJarChannel, needed for XHR to turn NS_ERROR_FILE_NOT_FOUND into
1.112 +// a 404 error.
1.113 +NS_IMETHODIMP DummyChannel::GetIsUnsafe(bool *aResult)
1.114 +{
1.115 + *aResult = false;
1.116 + return NS_OK;
1.117 +}
1.118 +
1.119 +NS_IMETHODIMP DummyChannel::SetAppURI(nsIURI *aURI)
1.120 +{
1.121 + return NS_ERROR_NOT_IMPLEMENTED;
1.122 +}
1.123 +
1.124 +NS_IMETHODIMP DummyChannel::Run()
1.125 +{
1.126 + nsresult rv = mListener->OnStartRequest(this, mListenerContext);
1.127 + NS_ENSURE_SUCCESS(rv, rv);
1.128 + mPending = false;
1.129 + rv = mListener->OnStopRequest(this, mListenerContext, NS_ERROR_FILE_NOT_FOUND);
1.130 + NS_ENSURE_SUCCESS(rv, rv);
1.131 + if (mLoadGroup) {
1.132 + mLoadGroup->RemoveRequest(this, mListenerContext, NS_ERROR_FILE_NOT_FOUND);
1.133 + }
1.134 +
1.135 + mListener = nullptr;
1.136 + mListenerContext = nullptr;
1.137 + rv = SetNotificationCallbacks(nullptr);
1.138 + NS_ENSURE_SUCCESS(rv, rv);
1.139 +
1.140 + return NS_OK;
1.141 +}
1.142 +
1.143 +NS_IMETHODIMP DummyChannel::Cancel(nsresult)
1.144 +{
1.145 + return NS_ERROR_NOT_IMPLEMENTED;
1.146 +}
1.147 +
1.148 +NS_IMETHODIMP DummyChannel::GetLoadGroup(nsILoadGroup* *aLoadGroup)
1.149 +{
1.150 + *aLoadGroup = mLoadGroup;
1.151 + NS_IF_ADDREF(*aLoadGroup);
1.152 + return NS_OK;
1.153 +}
1.154 +
1.155 +NS_IMETHODIMP DummyChannel::SetLoadGroup(nsILoadGroup* aLoadGroup)
1.156 +{
1.157 + mLoadGroup = aLoadGroup;
1.158 + return NS_OK;
1.159 +}
1.160 +
1.161 +NS_IMETHODIMP DummyChannel::GetLoadFlags(nsLoadFlags *aLoadFlags)
1.162 +{
1.163 + *aLoadFlags = mLoadFlags;
1.164 + return NS_OK;
1.165 +}
1.166 +
1.167 +NS_IMETHODIMP DummyChannel::SetLoadFlags(nsLoadFlags aLoadFlags)
1.168 +{
1.169 + mLoadFlags = aLoadFlags;
1.170 + return NS_OK;
1.171 +}
1.172 +
1.173 +NS_IMETHODIMP DummyChannel::GetOriginalURI(nsIURI**)
1.174 +{
1.175 + return NS_ERROR_NOT_IMPLEMENTED;
1.176 +}
1.177 +
1.178 +NS_IMETHODIMP DummyChannel::SetOriginalURI(nsIURI*)
1.179 +{
1.180 + return NS_ERROR_NOT_IMPLEMENTED;
1.181 +}
1.182 +
1.183 +NS_IMETHODIMP DummyChannel::GetOwner(nsISupports**)
1.184 +{
1.185 + return NS_ERROR_NOT_IMPLEMENTED;
1.186 +}
1.187 +
1.188 +NS_IMETHODIMP DummyChannel::SetOwner(nsISupports*)
1.189 +{
1.190 + return NS_ERROR_NOT_IMPLEMENTED;
1.191 +}
1.192 +
1.193 +NS_IMETHODIMP DummyChannel::GetNotificationCallbacks(nsIInterfaceRequestor**)
1.194 +{
1.195 + return NS_ERROR_NOT_IMPLEMENTED;
1.196 +}
1.197 +
1.198 +NS_IMETHODIMP DummyChannel::SetNotificationCallbacks(nsIInterfaceRequestor*)
1.199 +{
1.200 + return NS_ERROR_NOT_IMPLEMENTED;
1.201 +}
1.202 +
1.203 +NS_IMETHODIMP DummyChannel::GetSecurityInfo(nsISupports**)
1.204 +{
1.205 + return NS_ERROR_NOT_IMPLEMENTED;
1.206 +}
1.207 +
1.208 +NS_IMETHODIMP DummyChannel::GetContentType(nsACString&)
1.209 +{
1.210 + return NS_ERROR_NOT_IMPLEMENTED;
1.211 +}
1.212 +
1.213 +NS_IMETHODIMP DummyChannel::SetContentType(const nsACString&)
1.214 +{
1.215 + return NS_ERROR_NOT_IMPLEMENTED;
1.216 +}
1.217 +
1.218 +NS_IMETHODIMP DummyChannel::GetContentCharset(nsACString&)
1.219 +{
1.220 + return NS_ERROR_NOT_IMPLEMENTED;
1.221 +}
1.222 +
1.223 +NS_IMETHODIMP DummyChannel::SetContentCharset(const nsACString&)
1.224 +{
1.225 + return NS_ERROR_NOT_IMPLEMENTED;
1.226 +}
1.227 +
1.228 +NS_IMETHODIMP DummyChannel::GetContentLength(int64_t*)
1.229 +{
1.230 + return NS_ERROR_NOT_IMPLEMENTED;
1.231 +}
1.232 +
1.233 +NS_IMETHODIMP DummyChannel::SetContentLength(int64_t)
1.234 +{
1.235 + return NS_ERROR_NOT_IMPLEMENTED;
1.236 +}
1.237 +
1.238 +NS_IMETHODIMP DummyChannel::GetContentDisposition(uint32_t*)
1.239 +{
1.240 + return NS_ERROR_NOT_IMPLEMENTED;
1.241 +}
1.242 +
1.243 +NS_IMETHODIMP DummyChannel::SetContentDisposition(uint32_t)
1.244 +{
1.245 + return NS_ERROR_NOT_IMPLEMENTED;
1.246 +}
1.247 +
1.248 +NS_IMETHODIMP DummyChannel::GetURI(nsIURI**)
1.249 +{
1.250 + return NS_ERROR_NOT_IMPLEMENTED;
1.251 +}
1.252 +
1.253 +NS_IMETHODIMP DummyChannel::GetContentDispositionFilename(nsAString&)
1.254 +{
1.255 + return NS_ERROR_NOT_IMPLEMENTED;
1.256 +}
1.257 +
1.258 +NS_IMETHODIMP DummyChannel::SetContentDispositionFilename(nsAString const &)
1.259 +{
1.260 + return NS_ERROR_NOT_IMPLEMENTED;
1.261 +}
1.262 +
1.263 +NS_IMETHODIMP DummyChannel::GetContentDispositionHeader(nsACString&)
1.264 +{
1.265 + return NS_ERROR_NOT_IMPLEMENTED;
1.266 +}
1.267 +
1.268 +/**
1.269 + * app:// protocol implementation.
1.270 + */
1.271 +
1.272 +AppProtocolHandler::AppProtocolHandler() {
1.273 +}
1.274 +
1.275 +AppProtocolHandler::~AppProtocolHandler() {
1.276 + mAppInfoCache.Clear();
1.277 +}
1.278 +
1.279 +NS_IMPL_ISUPPORTS(AppProtocolHandler, nsIProtocolHandler)
1.280 +
1.281 +/* static */
1.282 +nsresult
1.283 +AppProtocolHandler::Create(nsISupports* aOuter,
1.284 + const nsIID& aIID,
1.285 + void* *aResult)
1.286 +{
1.287 + // Instantiate the service here since that intializes gJarHandler, which we
1.288 + // use indirectly (via our new JarChannel) in NewChannel.
1.289 + nsCOMPtr<nsIProtocolHandler> jarInitializer(
1.290 + do_GetService(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "jar"));
1.291 + AppProtocolHandler* ph = new AppProtocolHandler();
1.292 + if (ph == nullptr) {
1.293 + return NS_ERROR_OUT_OF_MEMORY;
1.294 + }
1.295 + NS_ADDREF(ph);
1.296 + nsresult rv = ph->QueryInterface(aIID, aResult);
1.297 + NS_RELEASE(ph);
1.298 + return rv;
1.299 +}
1.300 +
1.301 +NS_IMETHODIMP
1.302 +AppProtocolHandler::GetScheme(nsACString &aResult)
1.303 +{
1.304 + aResult.AssignLiteral("app");
1.305 + return NS_OK;
1.306 +}
1.307 +
1.308 +NS_IMETHODIMP
1.309 +AppProtocolHandler::GetDefaultPort(int32_t *aResult)
1.310 +{
1.311 + // No ports for the app protocol.
1.312 + *aResult = -1;
1.313 + return NS_OK;
1.314 +}
1.315 +
1.316 +NS_IMETHODIMP
1.317 +AppProtocolHandler::GetProtocolFlags(uint32_t *aResult)
1.318 +{
1.319 + *aResult = URI_NOAUTH |
1.320 + URI_DANGEROUS_TO_LOAD |
1.321 + URI_CROSS_ORIGIN_NEEDS_WEBAPPS_PERM;
1.322 + return NS_OK;
1.323 +}
1.324 +
1.325 +NS_IMETHODIMP
1.326 +AppProtocolHandler::NewURI(const nsACString &aSpec,
1.327 + const char *aCharset, // ignore charset info
1.328 + nsIURI *aBaseURI,
1.329 + nsIURI **result)
1.330 +{
1.331 + nsresult rv;
1.332 + nsCOMPtr<nsIStandardURL> surl(do_CreateInstance(NS_STANDARDURL_CONTRACTID, &rv));
1.333 + NS_ENSURE_SUCCESS(rv, rv);
1.334 +
1.335 + rv = surl->Init(nsIStandardURL::URLTYPE_STANDARD, -1, aSpec, aCharset, aBaseURI);
1.336 + NS_ENSURE_SUCCESS(rv, rv);
1.337 +
1.338 + nsCOMPtr<nsIURL> url(do_QueryInterface(surl, &rv));
1.339 + NS_ENSURE_SUCCESS(rv, rv);
1.340 +
1.341 + url.forget(result);
1.342 + return NS_OK;
1.343 +}
1.344 +
1.345 +// We map app://ABCDEF/path/to/file.ext to
1.346 +// jar:file:///path/to/profile/webapps/ABCDEF/application.zip!/path/to/file.ext
1.347 +NS_IMETHODIMP
1.348 +AppProtocolHandler::NewChannel(nsIURI* aUri, nsIChannel* *aResult)
1.349 +{
1.350 + NS_ENSURE_ARG_POINTER(aUri);
1.351 + nsRefPtr<nsJARChannel> channel = new nsJARChannel();
1.352 +
1.353 + nsAutoCString host;
1.354 + nsresult rv = aUri->GetHost(host);
1.355 + NS_ENSURE_SUCCESS(rv, rv);
1.356 +
1.357 + nsAutoCString fileSpec;
1.358 + nsCOMPtr<nsIURL> url = do_QueryInterface(aUri);
1.359 + rv = url->GetFilePath(fileSpec);
1.360 + NS_ENSURE_SUCCESS(rv, rv);
1.361 +
1.362 + mozilla::dom::AppInfo *appInfo;
1.363 +
1.364 + if (!mAppInfoCache.Get(host, &appInfo)) {
1.365 + nsCOMPtr<nsIAppsService> appsService = do_GetService(APPS_SERVICE_CONTRACTID);
1.366 + if (!appsService) {
1.367 + return NS_ERROR_FAILURE;
1.368 + }
1.369 +
1.370 + mozilla::AutoSafeJSContext cx;
1.371 + JS::RootedValue jsInfo(cx);
1.372 + rv = appsService->GetAppInfo(NS_ConvertUTF8toUTF16(host), &jsInfo);
1.373 + if (NS_FAILED(rv) || !jsInfo.isObject()) {
1.374 + // Return a DummyChannel.
1.375 + printf_stderr("!! Creating a dummy channel for %s (no appInfo)\n", host.get());
1.376 + NS_IF_ADDREF(*aResult = new DummyChannel());
1.377 + return NS_OK;
1.378 + }
1.379 +
1.380 + appInfo = new mozilla::dom::AppInfo();
1.381 + JSAutoCompartment ac(cx, &jsInfo.toObject());
1.382 + if (!appInfo->Init(cx, jsInfo) || appInfo->mPath.IsEmpty()) {
1.383 + // Return a DummyChannel.
1.384 + printf_stderr("!! Creating a dummy channel for %s (invalid appInfo)\n", host.get());
1.385 + NS_IF_ADDREF(*aResult = new DummyChannel());
1.386 + return NS_OK;
1.387 + }
1.388 + mAppInfoCache.Put(host, appInfo);
1.389 + }
1.390 +
1.391 + bool noRemote = (appInfo->mIsCoreApp ||
1.392 + XRE_GetProcessType() == GeckoProcessType_Default);
1.393 +
1.394 + // In-parent and CoreApps can directly access files, so use jar:file://
1.395 + nsAutoCString jarSpec(noRemote ? "jar:file://"
1.396 + : "jar:remoteopenfile://");
1.397 + jarSpec += NS_ConvertUTF16toUTF8(appInfo->mPath) +
1.398 + NS_LITERAL_CSTRING("/application.zip!") +
1.399 + fileSpec;
1.400 +
1.401 + nsCOMPtr<nsIURI> jarURI;
1.402 + rv = NS_NewURI(getter_AddRefs(jarURI),
1.403 + jarSpec, nullptr, nullptr);
1.404 + NS_ENSURE_SUCCESS(rv, rv);
1.405 +
1.406 + rv = channel->Init(jarURI);
1.407 + NS_ENSURE_SUCCESS(rv, rv);
1.408 +
1.409 + rv = channel->SetAppURI(aUri);
1.410 + NS_ENSURE_SUCCESS(rv, rv);
1.411 +
1.412 + rv = channel->SetOriginalURI(aUri);
1.413 + NS_ENSURE_SUCCESS(rv, rv);
1.414 +
1.415 + channel.forget(aResult);
1.416 + return NS_OK;
1.417 +}
1.418 +
1.419 +NS_IMETHODIMP
1.420 +AppProtocolHandler::AllowPort(int32_t aPort, const char *aScheme, bool *aRetval)
1.421 +{
1.422 + // No port allowed for this scheme.
1.423 + *aRetval = false;
1.424 + return NS_OK;
1.425 +}
1.426 +
