1 // Copyright (c) 2013 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_client_bridge.h"
6
7 #include "base/android/jni_android.h"
8 #include "base/android/jni_array.h"
9 #include "base/android/jni_string.h"
10 #include "base/callback.h"
11 #include "content/public/browser/browser_thread.h"
12 #include "jni/AwContentsClientBridge_jni.h"
13 #include "net/cert/x509_certificate.h"
14 #include "url/gurl.h"
15
16 using base::android::AttachCurrentThread;
17 using base::android::ConvertJavaStringToUTF16;
18 using base::android::ConvertUTF8ToJavaString;
19 using base::android::ConvertUTF16ToJavaString;
20 using base::android::JavaRef;
21 using base::android::ScopedJavaLocalRef;
22 using content::BrowserThread;
23
24 namespace android_webview {
25
AwContentsClientBridge(JNIEnv * env,jobject obj)26 AwContentsClientBridge::AwContentsClientBridge(JNIEnv* env, jobject obj)
27 : java_ref_(env, obj) {
28 DCHECK(obj);
29 Java_AwContentsClientBridge_setNativeContentsClientBridge(
30 env, obj, reinterpret_cast<intptr_t>(this));
31 }
32
~AwContentsClientBridge()33 AwContentsClientBridge::~AwContentsClientBridge() {
34 JNIEnv* env = AttachCurrentThread();
35
36 ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
37 if (obj.is_null())
38 return;
39 // Clear the weak reference from the java peer to the native object since
40 // it is possible that java object lifetime can exceed the AwContens.
41 Java_AwContentsClientBridge_setNativeContentsClientBridge(env, obj.obj(), 0);
42 }
43
AllowCertificateError(int cert_error,net::X509Certificate * cert,const GURL & request_url,const base::Callback<void (bool)> & callback,bool * cancel_request)44 void AwContentsClientBridge::AllowCertificateError(
45 int cert_error,
46 net::X509Certificate* cert,
47 const GURL& request_url,
48 const base::Callback<void(bool)>& callback,
49 bool* cancel_request) {
50
51 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
52 JNIEnv* env = AttachCurrentThread();
53
54 ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
55 if (obj.is_null())
56 return;
57
58 std::string der_string;
59 net::X509Certificate::GetDEREncoded(cert->os_cert_handle(), &der_string);
60 ScopedJavaLocalRef<jbyteArray> jcert = base::android::ToJavaByteArray(
61 env,
62 reinterpret_cast<const uint8*>(der_string.data()),
63 der_string.length());
64 ScopedJavaLocalRef<jstring> jurl(ConvertUTF8ToJavaString(
65 env, request_url.spec()));
66 // We need to add the callback before making the call to java side,
67 // as it may do a synchronous callback prior to returning.
68 int request_id = pending_cert_error_callbacks_.Add(
69 new CertErrorCallback(callback));
70 *cancel_request = !Java_AwContentsClientBridge_allowCertificateError(
71 env, obj.obj(), cert_error, jcert.obj(), jurl.obj(), request_id);
72 // if the request is cancelled, then cancel the stored callback
73 if (*cancel_request) {
74 pending_cert_error_callbacks_.Remove(request_id);
75 }
76 }
77
ProceedSslError(JNIEnv * env,jobject obj,jboolean proceed,jint id)78 void AwContentsClientBridge::ProceedSslError(JNIEnv* env, jobject obj,
79 jboolean proceed, jint id) {
80 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
81 CertErrorCallback* callback = pending_cert_error_callbacks_.Lookup(id);
82 if (!callback || callback->is_null()) {
83 LOG(WARNING) << "Ignoring unexpected ssl error proceed callback";
84 return;
85 }
86 callback->Run(proceed);
87 pending_cert_error_callbacks_.Remove(id);
88 }
89
RunJavaScriptDialog(content::JavaScriptMessageType message_type,const GURL & origin_url,const string16 & message_text,const string16 & default_prompt_text,const content::JavaScriptDialogManager::DialogClosedCallback & callback)90 void AwContentsClientBridge::RunJavaScriptDialog(
91 content::JavaScriptMessageType message_type,
92 const GURL& origin_url,
93 const string16& message_text,
94 const string16& default_prompt_text,
95 const content::JavaScriptDialogManager::DialogClosedCallback& callback) {
96 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
97 JNIEnv* env = AttachCurrentThread();
98
99 ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
100 if (obj.is_null())
101 return;
102
103 int callback_id = pending_js_dialog_callbacks_.Add(
104 new content::JavaScriptDialogManager::DialogClosedCallback(callback));
105 ScopedJavaLocalRef<jstring> jurl(
106 ConvertUTF8ToJavaString(env, origin_url.spec()));
107 ScopedJavaLocalRef<jstring> jmessage(
108 ConvertUTF16ToJavaString(env, message_text));
109
110 switch (message_type) {
111 case content::JAVASCRIPT_MESSAGE_TYPE_ALERT:
112 Java_AwContentsClientBridge_handleJsAlert(
113 env, obj.obj(), jurl.obj(), jmessage.obj(), callback_id);
114 break;
115 case content::JAVASCRIPT_MESSAGE_TYPE_CONFIRM:
116 Java_AwContentsClientBridge_handleJsConfirm(
117 env, obj.obj(), jurl.obj(), jmessage.obj(), callback_id);
118 break;
119 case content::JAVASCRIPT_MESSAGE_TYPE_PROMPT: {
120 ScopedJavaLocalRef<jstring> jdefault_value(
121 ConvertUTF16ToJavaString(env, default_prompt_text));
122 Java_AwContentsClientBridge_handleJsPrompt(env,
123 obj.obj(),
124 jurl.obj(),
125 jmessage.obj(),
126 jdefault_value.obj(),
127 callback_id);
128 break;
129 }
130 default:
131 NOTREACHED();
132 }
133 }
134
RunBeforeUnloadDialog(const GURL & origin_url,const string16 & message_text,const content::JavaScriptDialogManager::DialogClosedCallback & callback)135 void AwContentsClientBridge::RunBeforeUnloadDialog(
136 const GURL& origin_url,
137 const string16& message_text,
138 const content::JavaScriptDialogManager::DialogClosedCallback& callback) {
139 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
140 JNIEnv* env = AttachCurrentThread();
141
142 ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
143 if (obj.is_null())
144 return;
145
146 int callback_id = pending_js_dialog_callbacks_.Add(
147 new content::JavaScriptDialogManager::DialogClosedCallback(callback));
148 ScopedJavaLocalRef<jstring> jurl(
149 ConvertUTF8ToJavaString(env, origin_url.spec()));
150 ScopedJavaLocalRef<jstring> jmessage(
151 ConvertUTF16ToJavaString(env, message_text));
152
153 Java_AwContentsClientBridge_handleJsBeforeUnload(
154 env, obj.obj(), jurl.obj(), jmessage.obj(), callback_id);
155 }
156
ShouldOverrideUrlLoading(const base::string16 & url)157 bool AwContentsClientBridge::ShouldOverrideUrlLoading(
158 const base::string16& url) {
159 JNIEnv* env = AttachCurrentThread();
160 ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
161 if (obj.is_null())
162 return false;
163 ScopedJavaLocalRef<jstring> jurl = ConvertUTF16ToJavaString(env, url);
164 return Java_AwContentsClientBridge_shouldOverrideUrlLoading(
165 env, obj.obj(),
166 jurl.obj());
167 }
168
ConfirmJsResult(JNIEnv * env,jobject,int id,jstring prompt)169 void AwContentsClientBridge::ConfirmJsResult(JNIEnv* env,
170 jobject,
171 int id,
172 jstring prompt) {
173 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
174 content::JavaScriptDialogManager::DialogClosedCallback* callback =
175 pending_js_dialog_callbacks_.Lookup(id);
176 if (!callback) {
177 LOG(WARNING) << "Unexpected JS dialog confirm. " << id;
178 return;
179 }
180 string16 prompt_text;
181 if (prompt) {
182 prompt_text = ConvertJavaStringToUTF16(env, prompt);
183 }
184 callback->Run(true, prompt_text);
185 pending_js_dialog_callbacks_.Remove(id);
186 }
187
CancelJsResult(JNIEnv *,jobject,int id)188 void AwContentsClientBridge::CancelJsResult(JNIEnv*, jobject, int id) {
189 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
190 content::JavaScriptDialogManager::DialogClosedCallback* callback =
191 pending_js_dialog_callbacks_.Lookup(id);
192 if (!callback) {
193 LOG(WARNING) << "Unexpected JS dialog cancel. " << id;
194 return;
195 }
196 callback->Run(false, string16());
197 pending_js_dialog_callbacks_.Remove(id);
198 }
199
RegisterAwContentsClientBridge(JNIEnv * env)200 bool RegisterAwContentsClientBridge(JNIEnv* env) {
201 return RegisterNativesImpl(env) >= 0;
202 }
203
204 } // namespace android_webview
205