src/xwalk/application/browser/application.cc

   1 // Copyright (c) 2013 Intel Corporation. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "xwalk/application/browser/application.h"
   6
   7 #include <string>
   8
   9 #include "base/files/file_enumerator.h"
  10 #include "base/json/json_reader.h"
  11 #include "base/macros.h"
  12 #include "base/message_loop/message_loop.h"
  13 #include "base/stl_util.h"
  14 #include "base/values.h"
  15 #include "content/public/browser/web_contents.h"
  16 #include "content/public/browser/render_process_host.h"
  17 #include "net/base/net_util.h"
  18 #include "xwalk/application/browser/application_service.h"
  19 #include "xwalk/application/browser/application_storage.h"
  20 #include "xwalk/application/browser/application_system.h"
  21 #include "xwalk/application/common/application_manifest_constants.h"
  22 #include "xwalk/application/common/constants.h"
  23 #include "xwalk/application/common/manifest_handlers/warp_handler.h"
  24 #include "xwalk/runtime/browser/runtime.h"
  25 #include "xwalk/runtime/browser/runtime_context.h"
  26 #include "xwalk/runtime/browser/xwalk_runner.h"
  27 #include "xwalk/runtime/common/xwalk_common_messages.h"
  28
  29 using content::RenderProcessHost;
  30
  31 namespace xwalk {
  32
  33 namespace keys = application_manifest_keys;
  34 namespace widget_keys = application_widget_keys;
  35
  36 namespace {
  37 const char* kDefaultWidgetEntryPage[] = {
  38 "index.html",
  39 "index.htm",
  40 "index.svg",
  41 "index.xhtml",
  42 "index.xht"};
  43
  44 }  // namespace
  45
  46 namespace application {
  47
  48 Application::Application(
  49     scoped_refptr<ApplicationData> data,
  50     RuntimeContext* runtime_context,
  51     Observer* observer)
  52     : data_(data),
  53       render_process_host_(NULL),
  54       security_mode_enabled_(false),
  55       runtime_context_(runtime_context),
  56       observer_(observer),
  57       entry_point_used_(Default),
  58       weak_factory_(this) {
  59   DCHECK(runtime_context_);
  60   DCHECK(data_);
  61   DCHECK(observer_);
  62 }
  63
  64 Application::~Application() {
  65   Terminate();
  66   if (render_process_host_)
  67     render_process_host_->RemoveObserver(this);
  68 }
  69
  70 bool Application::Launch(const LaunchParams& launch_params) {
  71   if (!runtimes_.empty()) {
  72     LOG(ERROR) << "Attempt to launch app: " << id()
  73                << " that was already launched.";
  74     return false;
  75   }
  76
  77   CHECK(!render_process_host_);
  78
  79   GURL url = GetStartURL(launch_params, &entry_point_used_);
  80   if (!url.is_valid())
  81     return false;
  82
  83   Runtime* runtime = Runtime::Create(runtime_context_, this);
  84   render_process_host_ = runtime->GetRenderProcessHost();
  85   render_process_host_->AddObserver(this);
  86   InitSecurityPolicy();
  87   runtime->LoadURL(url);
  88
  89   NativeAppWindow::CreateParams params;
  90   params.net_wm_pid = launch_params.launcher_pid;
  91   params.state = GetWindowShowState(launch_params);
  92   runtime->AttachWindow(params);
  93
  94   return true;
  95 }
  96
  97 GURL Application::GetStartURL(const LaunchParams& params,
  98                                   LaunchEntryPoint* used) {
  99   if (params.entry_points & StartURLKey) {
 100     GURL url = GetURLFromRelativePathKey(keys::kStartURLKey);
 101     if (url.is_valid()) {
 102       *used = StartURLKey;
 103       return url;
 104     }
 105   }
 106
 107   if (params.entry_points & LaunchLocalPathKey) {
 108     GURL url = GetURLFromRelativePathKey(
 109         GetLaunchLocalPathKey(data_->GetPackageType()));
 110     if (url.is_valid()) {
 111       *used = LaunchLocalPathKey;
 112       return url;
 113     }
 114   }
 115
 116   if (params.entry_points & URLKey) {
 117     GURL url = GetURLFromURLKey();
 118     if (url.is_valid()) {
 119       *used = URLKey;
 120       return url;
 121     }
 122   }
 123
 124   LOG(WARNING) << "Failed to find a valid launch URL for the app.";
 125   return GURL();
 126 }
 127
 128 ui::WindowShowState Application::GetWindowShowState(
 129     const LaunchParams& params) {
 130   if (params.force_fullscreen)
 131     return ui::SHOW_STATE_FULLSCREEN;
 132
 133   const Manifest* manifest = data_->GetManifest();
 134   std::string display_string;
 135   if (manifest->GetString(keys::kDisplay, &display_string)) {
 136     // FIXME: ATM only 'fullscreen' and 'standalone' (which is fallback value)
 137     // values are supported.
 138     if (display_string.find("fullscreen") != std::string::npos)
 139       return ui::SHOW_STATE_FULLSCREEN;
 140   }
 141
 142   return ui::SHOW_STATE_DEFAULT;
 143 }
 144
 145 GURL Application::GetURLFromURLKey() {
 146   const Manifest* manifest = data_->GetManifest();
 147   std::string url_string;
 148   if (!manifest->GetString(keys::kURLKey, &url_string))
 149     return GURL();
 150
 151   return GURL(url_string);
 152 }
 153
 154 GURL Application::GetURLFromRelativePathKey(const std::string& key) {
 155   const Manifest* manifest = data_->GetManifest();
 156   std::string entry_page;
 157   if (!manifest->GetString(key, &entry_page)
 158       || entry_page.empty()) {
 159     if (data_->GetPackageType() == Package::XPK)
 160       return GURL();
 161
 162     base::FileEnumerator iter(data_->Path(), true,
 163                               base::FileEnumerator::FILES,
 164                               FILE_PATH_LITERAL("index.*"));
 165     int priority = arraysize(kDefaultWidgetEntryPage);
 166
 167     for (base::FilePath file = iter.Next(); !file.empty(); file = iter.Next()) {
 168       for (int i = 0; i < arraysize(kDefaultWidgetEntryPage); ++i) {
 169         if (file.BaseName().MaybeAsASCII() == kDefaultWidgetEntryPage[i] &&
 170             i < priority) {
 171           entry_page = kDefaultWidgetEntryPage[i];
 172           priority = i;
 173         }
 174       }
 175     }
 176
 177     if (entry_page.empty())
 178       return GURL();
 179   }
 180
 181   return data_->GetResourceURL(entry_page);
 182 }
 183
 184 void Application::Terminate() {
 185   std::set<Runtime*> to_be_closed(runtimes_);
 186   std::for_each(to_be_closed.begin(), to_be_closed.end(),
 187                 std::mem_fun(&Runtime::Close));
 188 }
 189
 190 int Application::GetRenderProcessHostID() const {
 191   DCHECK(render_process_host_);
 192   return render_process_host_->GetID();
 193 }
 194
 195 void Application::OnRuntimeAdded(Runtime* runtime) {
 196   DCHECK(runtime);
 197   runtimes_.insert(runtime);
 198 }
 199
 200 void Application::OnRuntimeRemoved(Runtime* runtime) {
 201   DCHECK(runtime);
 202   runtimes_.erase(runtime);
 203
 204   if (runtimes_.empty()) {
 205 #if defined(OS_TIZEN_MOBILE)
 206     runtime->CloseRootWindow();
 207 #endif
 208     base::MessageLoop::current()->PostTask(FROM_HERE,
 209         base::Bind(&Application::NotifyTermination,
 210                    weak_factory_.GetWeakPtr()));
 211     return;
 212   }
 213 }
 214
 215 void Application::RenderProcessExited(RenderProcessHost* host,
 216                                       base::ProcessHandle,
 217                                       base::TerminationStatus,
 218                                       int) {
 219   DCHECK(render_process_host_ == host);
 220   VLOG(1) << "RenderProcess id: " << host->GetID() << " is gone!";
 221   XWalkRunner::GetInstance()->OnRenderProcessHostGone(host);
 222 }
 223
 224 void Application::RenderProcessHostDestroyed(RenderProcessHost* host) {
 225   DCHECK(render_process_host_ == host);
 226   render_process_host_ = NULL;
 227 }
 228
 229 void Application::NotifyTermination() {
 230   CHECK(!render_process_host_);
 231   observer_->OnApplicationTerminated(this);
 232 }
 233
 234 bool Application::UseExtension(const std::string& extension_name) const {
 235   // TODO(Bai): Tells whether the application contains the specified extension
 236   return true;
 237 }
 238
 239 bool Application::RegisterPermissions(const std::string& extension_name,
 240                                       const std::string& perm_table) {
 241   // TODO(Bai): Parse the permission table and fill in the name_perm_map_
 242   // The perm_table format is a simple JSON string, like
 243   // [{"permission_name":"echo","apis":["add","remove","get"]}]
 244   scoped_ptr<base::Value> root;
 245   root.reset(base::JSONReader().ReadToValue(perm_table));
 246   if (root.get() == NULL || !root->IsType(base::Value::TYPE_LIST))
 247     return false;
 248
 249   base::ListValue* permission_list = static_cast<base::ListValue*>(root.get());
 250   if (permission_list->GetSize() == 0)
 251     return false;
 252
 253   for (base::ListValue::const_iterator iter = permission_list->begin();
 254       iter != permission_list->end(); ++iter) {
 255     if (!(*iter)->IsType(base::Value::TYPE_DICTIONARY))
 256         return false;
 257
 258     base::DictionaryValue* dict_val =
 259         static_cast<base::DictionaryValue*>(*iter);
 260     std::string permission_name;
 261     if (!dict_val->GetString("permission_name", &permission_name))
 262       return false;
 263
 264     base::ListValue* api_list = NULL;
 265     if (!dict_val->GetList("apis", &api_list))
 266       return false;
 267
 268     for (base::ListValue::const_iterator api_iter = api_list->begin();
 269         api_iter != api_list->end(); ++api_iter) {
 270       std::string api;
 271       if (!((*api_iter)->IsType(base::Value::TYPE_STRING)
 272           && (*api_iter)->GetAsString(&api)))
 273         return false;
 274       // register the permission and api
 275       name_perm_map_[api] = permission_name;
 276       DLOG(INFO) << "Permission Registered [PERM] " << permission_name
 277                  << " [API] " << api;
 278     }
 279   }
 280
 281   return true;
 282 }
 283
 284 std::string Application::GetRegisteredPermissionName(
 285     const std::string& extension_name,
 286     const std::string& api_name) const {
 287   std::map<std::string, std::string>::const_iterator iter =
 288       name_perm_map_.find(api_name);
 289   if (iter == name_perm_map_.end())
 290     return std::string("");
 291   return iter->second;
 292 }
 293
 294 StoredPermission Application::GetPermission(PermissionType type,
 295                                std::string& permission_name) const {
 296   if (type == SESSION_PERMISSION) {
 297     StoredPermissionMap::const_iterator iter =
 298         permission_map_.find(permission_name);
 299     if (iter == permission_map_.end())
 300       return UNDEFINED_STORED_PERM;
 301     return iter->second;
 302   }
 303   if (type == PERSISTENT_PERMISSION) {
 304     return data_->GetPermission(permission_name);
 305   }
 306   NOTREACHED();
 307   return UNDEFINED_STORED_PERM;
 308 }
 309
 310 bool Application::SetPermission(PermissionType type,
 311                                 const std::string& permission_name,
 312                                 StoredPermission perm) {
 313   if (type == SESSION_PERMISSION) {
 314     permission_map_[permission_name] = perm;
 315     return true;
 316   }
 317   if (type == PERSISTENT_PERMISSION)
 318     return data_->SetPermission(permission_name, perm);
 319
 320   NOTREACHED();
 321   return false;
 322 }
 323
 324 void Application::InitSecurityPolicy() {
 325   if (data_->GetPackageType() != Package::WGT)
 326     return;
 327
 328   const WARPInfo* info = static_cast<WARPInfo*>(
 329       data_->GetManifestData(widget_keys::kAccessKey));
 330   // FIXME(xinchao): Need to enable WARP mode by default.
 331   if (!info)
 332     return;
 333
 334   const base::ListValue* whitelist = info->GetWARP();
 335   for (base::ListValue::const_iterator it = whitelist->begin();
 336        it != whitelist->end(); ++it) {
 337     base::DictionaryValue* value = NULL;
 338     (*it)->GetAsDictionary(&value);
 339     std::string dest;
 340     if (!value || !value->GetString(widget_keys::kAccessOriginKey, &dest) ||
 341         dest.empty())
 342       continue;
 343     if (dest == "*") {
 344       security_mode_enabled_ = false;
 345       break;
 346     }
 347
 348     GURL dest_url(dest);
 349     // The default subdomains attrubute should be "false".
 350     std::string subdomains = "false";
 351     value->GetString(widget_keys::kAccessSubdomainsKey, &subdomains);
 352     AddSecurityPolicy(dest_url, (subdomains == "true"));
 353     security_mode_enabled_ = true;
 354   }
 355   if (security_mode_enabled_) {
 356     DCHECK(render_process_host_);
 357     render_process_host_->Send(
 358         new ViewMsg_EnableSecurityMode(
 359             ApplicationData::GetBaseURLFromApplicationId(id()),
 360             SecurityPolicy::WARP));
 361   }
 362 }
 363
 364 void Application::AddSecurityPolicy(const GURL& url, bool subdomains) {
 365   GURL app_url = data_->URL();
 366   DCHECK(render_process_host_);
 367   render_process_host_->Send(
 368       new ViewMsg_SetAccessWhiteList(
 369           app_url, url, subdomains));
 370   security_policy_.push_back(new SecurityPolicy(url, subdomains));
 371 }
 372
 373 bool Application::CanRequestURL(const GURL& url) const {
 374   if (!security_mode_enabled_)
 375     return true;
 376
 377   // Only WGT package need to check the url request permission.
 378   if (data_->GetPackageType() != Package::WGT)
 379     return true;
 380
 381   // Always can request itself resources.
 382   if (url.SchemeIs(application::kApplicationScheme) &&
 383       url.host() == id())
 384     return true;
 385
 386   for (unsigned i = 0; i < security_policy_.size(); ++i) {
 387     const GURL& policy = security_policy_[i]->url();
 388     bool subdomains = security_policy_[i]->subdomains();
 389     bool is_host_matched = subdomains ?
 390         url.DomainIs(policy.host().c_str()) : url.host() == policy.host();
 391     if (url.scheme() == policy.scheme() && is_host_matched)
 392       return true;
 393   }
 394   return false;
 395 }
 396
 397 }  // namespace application
 398 }  // namespace xwalk