android_webview/native/aw_contents_io_thread_client_impl.cc

   1 // Copyright (c) 2012 The Chromium Authors. 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 "android_webview/native/aw_contents_io_thread_client_impl.h"
   6
   7 #include <map>
   8 #include <utility>
   9
  10 #include "android_webview/common/devtools_instrumentation.h"
  11 #include "android_webview/native/aw_web_resource_response_impl.h"
  12 #include "base/android/jni_array.h"
  13 #include "base/android/jni_string.h"
  14 #include "base/android/jni_weak_ref.h"
  15 #include "base/lazy_instance.h"
  16 #include "base/memory/linked_ptr.h"
  17 #include "base/memory/scoped_ptr.h"
  18 #include "base/synchronization/lock.h"
  19 #include "content/public/browser/browser_thread.h"
  20 #include "content/public/browser/render_frame_host.h"
  21 #include "content/public/browser/render_process_host.h"
  22 #include "content/public/browser/render_view_host.h"
  23 #include "content/public/browser/resource_request_info.h"
  24 #include "content/public/browser/web_contents.h"
  25 #include "content/public/browser/web_contents_observer.h"
  26 #include "jni/AwContentsIoThreadClient_jni.h"
  27 #include "net/http/http_request_headers.h"
  28 #include "net/url_request/url_request.h"
  29 #include "url/gurl.h"
  30
  31 using base::android::AttachCurrentThread;
  32 using base::android::ConvertUTF8ToJavaString;
  33 using base::android::JavaRef;
  34 using base::android::ScopedJavaLocalRef;
  35 using base::android::ToJavaArrayOfStrings;
  36 using base::LazyInstance;
  37 using content::BrowserThread;
  38 using content::RenderFrameHost;
  39 using content::ResourceType;
  40 using content::WebContents;
  41 using std::map;
  42 using std::pair;
  43 using std::string;
  44 using std::vector;
  45
  46 namespace android_webview {
  47
  48 namespace {
  49
  50 struct IoThreadClientData {
  51   bool pending_association;
  52   JavaObjectWeakGlobalRef io_thread_client;
  53
  54   IoThreadClientData();
  55 };
  56
  57 IoThreadClientData::IoThreadClientData() : pending_association(false) {}
  58
  59 typedef map<pair<int, int>, IoThreadClientData>
  60     RenderFrameHostToIoThreadClientType;
  61
  62 static pair<int, int> GetRenderFrameHostIdPair(RenderFrameHost* rfh) {
  63   return pair<int, int>(rfh->GetProcess()->GetID(), rfh->GetRoutingID());
  64 }
  65
  66 // RfhToIoThreadClientMap -----------------------------------------------------
  67 class RfhToIoThreadClientMap {
  68  public:
  69   static RfhToIoThreadClientMap* GetInstance();
  70   void Set(pair<int, int> rfh_id, const IoThreadClientData& client);
  71   bool Get(pair<int, int> rfh_id, IoThreadClientData* client);
  72   void Erase(pair<int, int> rfh_id);
  73
  74  private:
  75   static LazyInstance<RfhToIoThreadClientMap> g_instance_;
  76   base::Lock map_lock_;
  77   RenderFrameHostToIoThreadClientType rfh_to_io_thread_client_;
  78 };
  79
  80 // static
  81 LazyInstance<RfhToIoThreadClientMap> RfhToIoThreadClientMap::g_instance_ =
  82     LAZY_INSTANCE_INITIALIZER;
  83
  84 // static
  85 RfhToIoThreadClientMap* RfhToIoThreadClientMap::GetInstance() {
  86   return g_instance_.Pointer();
  87 }
  88
  89 void RfhToIoThreadClientMap::Set(pair<int, int> rfh_id,
  90                                  const IoThreadClientData& client) {
  91   base::AutoLock lock(map_lock_);
  92   rfh_to_io_thread_client_[rfh_id] = client;
  93 }
  94
  95 bool RfhToIoThreadClientMap::Get(
  96     pair<int, int> rfh_id, IoThreadClientData* client) {
  97   base::AutoLock lock(map_lock_);
  98   RenderFrameHostToIoThreadClientType::iterator iterator =
  99       rfh_to_io_thread_client_.find(rfh_id);
 100   if (iterator == rfh_to_io_thread_client_.end())
 101     return false;
 102
 103   *client = iterator->second;
 104   return true;
 105 }
 106
 107 void RfhToIoThreadClientMap::Erase(pair<int, int> rfh_id) {
 108   base::AutoLock lock(map_lock_);
 109   rfh_to_io_thread_client_.erase(rfh_id);
 110 }
 111
 112 // ClientMapEntryUpdater ------------------------------------------------------
 113
 114 class ClientMapEntryUpdater : public content::WebContentsObserver {
 115  public:
 116   ClientMapEntryUpdater(JNIEnv* env, WebContents* web_contents,
 117                         jobject jdelegate);
 118
 119   virtual void RenderFrameCreated(RenderFrameHost* render_frame_host) OVERRIDE;
 120   virtual void RenderFrameDeleted(RenderFrameHost* render_frame_host) OVERRIDE;
 121   virtual void WebContentsDestroyed() OVERRIDE;
 122
 123  private:
 124   JavaObjectWeakGlobalRef jdelegate_;
 125 };
 126
 127 ClientMapEntryUpdater::ClientMapEntryUpdater(JNIEnv* env,
 128                                              WebContents* web_contents,
 129                                              jobject jdelegate)
 130     : content::WebContentsObserver(web_contents),
 131       jdelegate_(env, jdelegate) {
 132   DCHECK(web_contents);
 133   DCHECK(jdelegate);
 134
 135   if (web_contents->GetMainFrame())
 136     RenderFrameCreated(web_contents->GetMainFrame());
 137 }
 138
 139 void ClientMapEntryUpdater::RenderFrameCreated(RenderFrameHost* rfh) {
 140   IoThreadClientData client_data;
 141   client_data.io_thread_client = jdelegate_;
 142   client_data.pending_association = false;
 143   RfhToIoThreadClientMap::GetInstance()->Set(
 144       GetRenderFrameHostIdPair(rfh), client_data);
 145 }
 146
 147 void ClientMapEntryUpdater::RenderFrameDeleted(RenderFrameHost* rfh) {
 148   RfhToIoThreadClientMap::GetInstance()->Erase(GetRenderFrameHostIdPair(rfh));
 149 }
 150
 151 void ClientMapEntryUpdater::WebContentsDestroyed() {
 152   delete this;
 153 }
 154
 155 } // namespace
 156
 157 // AwContentsIoThreadClientImpl -----------------------------------------------
 158
 159 // static
 160 scoped_ptr<AwContentsIoThreadClient>
 161 AwContentsIoThreadClient::FromID(int render_process_id, int render_frame_id) {
 162   pair<int, int> rfh_id(render_process_id, render_frame_id);
 163   IoThreadClientData client_data;
 164   if (!RfhToIoThreadClientMap::GetInstance()->Get(rfh_id, &client_data))
 165     return scoped_ptr<AwContentsIoThreadClient>();
 166
 167   JNIEnv* env = AttachCurrentThread();
 168   ScopedJavaLocalRef<jobject> java_delegate =
 169       client_data.io_thread_client.get(env);
 170   DCHECK(!client_data.pending_association || java_delegate.is_null());
 171   return scoped_ptr<AwContentsIoThreadClient>(new AwContentsIoThreadClientImpl(
 172       client_data.pending_association, java_delegate));
 173 }
 174
 175 // static
 176 void AwContentsIoThreadClient::SubFrameCreated(int render_process_id,
 177                                                int parent_render_frame_id,
 178                                                int child_render_frame_id) {
 179   pair<int, int> parent_rfh_id(render_process_id, parent_render_frame_id);
 180   pair<int, int> child_rfh_id(render_process_id, child_render_frame_id);
 181   IoThreadClientData client_data;
 182   if (!RfhToIoThreadClientMap::GetInstance()->Get(parent_rfh_id,
 183                                                   &client_data)) {
 184     NOTREACHED();
 185     return;
 186   }
 187
 188   RfhToIoThreadClientMap::GetInstance()->Set(child_rfh_id, client_data);
 189 }
 190
 191 // static
 192 void AwContentsIoThreadClientImpl::RegisterPendingContents(
 193     WebContents* web_contents) {
 194   IoThreadClientData client_data;
 195   client_data.pending_association = true;
 196   RfhToIoThreadClientMap::GetInstance()->Set(
 197       GetRenderFrameHostIdPair(web_contents->GetMainFrame()), client_data);
 198 }
 199
 200 // static
 201 void AwContentsIoThreadClientImpl::Associate(
 202     WebContents* web_contents,
 203     const JavaRef<jobject>& jclient) {
 204   JNIEnv* env = AttachCurrentThread();
 205   // The ClientMapEntryUpdater lifespan is tied to the WebContents.
 206   new ClientMapEntryUpdater(env, web_contents, jclient.obj());
 207 }
 208
 209 AwContentsIoThreadClientImpl::AwContentsIoThreadClientImpl(
 210     bool pending_association,
 211     const JavaRef<jobject>& obj)
 212   : pending_association_(pending_association),
 213     java_object_(obj) {
 214 }
 215
 216 AwContentsIoThreadClientImpl::~AwContentsIoThreadClientImpl() {
 217   // explict, out-of-line destructor.
 218 }
 219
 220 bool AwContentsIoThreadClientImpl::PendingAssociation() const {
 221   return pending_association_;
 222 }
 223
 224 AwContentsIoThreadClient::CacheMode
 225 AwContentsIoThreadClientImpl::GetCacheMode() const {
 226   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 227   if (java_object_.is_null())
 228     return AwContentsIoThreadClient::LOAD_DEFAULT;
 229
 230   JNIEnv* env = AttachCurrentThread();
 231   return static_cast<AwContentsIoThreadClient::CacheMode>(
 232       Java_AwContentsIoThreadClient_getCacheMode(
 233           env, java_object_.obj()));
 234 }
 235
 236 scoped_ptr<AwWebResourceResponse>
 237 AwContentsIoThreadClientImpl::ShouldInterceptRequest(
 238     const GURL& location,
 239     const net::URLRequest* request) {
 240   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 241   if (java_object_.is_null())
 242     return scoped_ptr<AwWebResourceResponse>();
 243   const content::ResourceRequestInfo* info =
 244       content::ResourceRequestInfo::ForRequest(request);
 245   bool is_main_frame = info &&
 246       info->GetResourceType() == content::RESOURCE_TYPE_MAIN_FRAME;
 247   bool has_user_gesture = info && info->HasUserGesture();
 248
 249   vector<string> headers_names;
 250   vector<string> headers_values;
 251   {
 252     net::HttpRequestHeaders headers;
 253     if (!request->GetFullRequestHeaders(&headers))
 254       headers = request->extra_request_headers();
 255     net::HttpRequestHeaders::Iterator headers_iterator(headers);
 256     while (headers_iterator.GetNext()) {
 257       headers_names.push_back(headers_iterator.name());
 258       headers_values.push_back(headers_iterator.value());
 259     }
 260   }
 261
 262   JNIEnv* env = AttachCurrentThread();
 263   ScopedJavaLocalRef<jstring> jstring_url =
 264       ConvertUTF8ToJavaString(env, location.spec());
 265   ScopedJavaLocalRef<jstring> jstring_method =
 266       ConvertUTF8ToJavaString(env, request->method());
 267   ScopedJavaLocalRef<jobjectArray> jstringArray_headers_names =
 268       ToJavaArrayOfStrings(env, headers_names);
 269   ScopedJavaLocalRef<jobjectArray> jstringArray_headers_values =
 270       ToJavaArrayOfStrings(env, headers_values);
 271   devtools_instrumentation::ScopedEmbedderCallbackTask embedder_callback(
 272       "shouldInterceptRequest");
 273   ScopedJavaLocalRef<jobject> ret =
 274       Java_AwContentsIoThreadClient_shouldInterceptRequest(
 275           env,
 276           java_object_.obj(),
 277           jstring_url.obj(),
 278           is_main_frame,
 279           has_user_gesture,
 280           jstring_method.obj(),
 281           jstringArray_headers_names.obj(),
 282           jstringArray_headers_values.obj());
 283   if (ret.is_null())
 284     return scoped_ptr<AwWebResourceResponse>();
 285   return scoped_ptr<AwWebResourceResponse>(
 286       new AwWebResourceResponseImpl(ret));
 287 }
 288
 289 bool AwContentsIoThreadClientImpl::ShouldBlockContentUrls() const {
 290   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 291   if (java_object_.is_null())
 292     return false;
 293
 294   JNIEnv* env = AttachCurrentThread();
 295   return Java_AwContentsIoThreadClient_shouldBlockContentUrls(
 296       env, java_object_.obj());
 297 }
 298
 299 bool AwContentsIoThreadClientImpl::ShouldBlockFileUrls() const {
 300   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 301   if (java_object_.is_null())
 302     return false;
 303
 304   JNIEnv* env = AttachCurrentThread();
 305   return Java_AwContentsIoThreadClient_shouldBlockFileUrls(
 306       env, java_object_.obj());
 307 }
 308
 309 bool AwContentsIoThreadClientImpl::ShouldAcceptThirdPartyCookies() const {
 310   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 311   if (java_object_.is_null())
 312     return false;
 313
 314   JNIEnv* env = AttachCurrentThread();
 315   return Java_AwContentsIoThreadClient_shouldAcceptThirdPartyCookies(
 316       env, java_object_.obj());
 317 }
 318
 319 bool AwContentsIoThreadClientImpl::ShouldBlockNetworkLoads() const {
 320   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 321   if (java_object_.is_null())
 322     return false;
 323
 324   JNIEnv* env = AttachCurrentThread();
 325   return Java_AwContentsIoThreadClient_shouldBlockNetworkLoads(
 326       env, java_object_.obj());
 327 }
 328
 329 void AwContentsIoThreadClientImpl::NewDownload(
 330     const GURL& url,
 331     const string& user_agent,
 332     const string& content_disposition,
 333     const string& mime_type,
 334     int64 content_length) {
 335   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 336   if (java_object_.is_null())
 337     return;
 338
 339   JNIEnv* env = AttachCurrentThread();
 340   ScopedJavaLocalRef<jstring> jstring_url =
 341       ConvertUTF8ToJavaString(env, url.spec());
 342   ScopedJavaLocalRef<jstring> jstring_user_agent =
 343       ConvertUTF8ToJavaString(env, user_agent);
 344   ScopedJavaLocalRef<jstring> jstring_content_disposition =
 345       ConvertUTF8ToJavaString(env, content_disposition);
 346   ScopedJavaLocalRef<jstring> jstring_mime_type =
 347       ConvertUTF8ToJavaString(env, mime_type);
 348
 349   Java_AwContentsIoThreadClient_onDownloadStart(
 350       env,
 351       java_object_.obj(),
 352       jstring_url.obj(),
 353       jstring_user_agent.obj(),
 354       jstring_content_disposition.obj(),
 355       jstring_mime_type.obj(),
 356       content_length);
 357 }
 358
 359 void AwContentsIoThreadClientImpl::NewLoginRequest(const string& realm,
 360                                                    const string& account,
 361                                                    const string& args) {
 362   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 363   if (java_object_.is_null())
 364     return;
 365
 366   JNIEnv* env = AttachCurrentThread();
 367   ScopedJavaLocalRef<jstring> jrealm = ConvertUTF8ToJavaString(env, realm);
 368   ScopedJavaLocalRef<jstring> jargs = ConvertUTF8ToJavaString(env, args);
 369
 370   ScopedJavaLocalRef<jstring> jaccount;
 371   if (!account.empty())
 372     jaccount = ConvertUTF8ToJavaString(env, account);
 373
 374   Java_AwContentsIoThreadClient_newLoginRequest(
 375       env, java_object_.obj(), jrealm.obj(), jaccount.obj(), jargs.obj());
 376 }
 377
 378 bool RegisterAwContentsIoThreadClientImpl(JNIEnv* env) {
 379   return RegisterNativesImpl(env);
 380 }
 381
 382 } // namespace android_webview