1 /*
2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 #include "config.h"
31 #include "modules/serviceworkers/ServiceWorkerContainer.h"
32
33 #include "bindings/v8/CallbackPromiseAdapter.h"
34 #include "bindings/v8/ScriptPromise.h"
35 #include "bindings/v8/ScriptPromiseResolverWithContext.h"
36 #include "bindings/v8/ScriptState.h"
37 #include "bindings/v8/SerializedScriptValue.h"
38 #include "core/dom/DOMException.h"
39 #include "core/dom/Document.h"
40 #include "core/dom/ExceptionCode.h"
41 #include "core/dom/ExecutionContext.h"
42 #include "core/dom/MessagePort.h"
43 #include "core/events/MessageEvent.h"
44 #include "modules/serviceworkers/RegistrationOptionList.h"
45 #include "modules/serviceworkers/ServiceWorker.h"
46 #include "modules/serviceworkers/ServiceWorkerContainerClient.h"
47 #include "modules/serviceworkers/ServiceWorkerError.h"
48 #include "platform/RuntimeEnabledFeatures.h"
49 #include "public/platform/WebServiceWorker.h"
50 #include "public/platform/WebServiceWorkerProvider.h"
51 #include "public/platform/WebString.h"
52 #include "public/platform/WebURL.h"
53 #include <v8.h>
54
55 using blink::WebServiceWorker;
56 using blink::WebServiceWorkerProvider;
57
58 namespace WebCore {
59
create(ExecutionContext * executionContext)60 PassRefPtr<ServiceWorkerContainer> ServiceWorkerContainer::create(ExecutionContext* executionContext)
61 {
62 return adoptRef(new ServiceWorkerContainer(executionContext));
63 }
64
~ServiceWorkerContainer()65 ServiceWorkerContainer::~ServiceWorkerContainer()
66 {
67 ASSERT(!m_provider);
68 }
69
detachClient()70 void ServiceWorkerContainer::detachClient()
71 {
72 if (m_provider) {
73 m_provider->setClient(0);
74 m_provider = 0;
75 }
76 }
77
registerServiceWorker(ScriptState * scriptState,const String & url,const Dictionary & dictionary)78 ScriptPromise ServiceWorkerContainer::registerServiceWorker(ScriptState* scriptState, const String& url, const Dictionary& dictionary)
79 {
80 RegistrationOptionList options(dictionary);
81 ASSERT(RuntimeEnabledFeatures::serviceWorkerEnabled());
82 RefPtr<ScriptPromiseResolverWithContext> resolver = ScriptPromiseResolverWithContext::create(scriptState);
83 ScriptPromise promise = resolver->promise();
84
85 if (!m_provider) {
86 resolver->reject(DOMException::create(InvalidStateError, "No associated provider is available"));
87 return promise;
88 }
89
90 ExecutionContext* executionContext = scriptState->executionContext();
91 RefPtr<SecurityOrigin> documentOrigin = executionContext->securityOrigin();
92 KURL patternURL = executionContext->completeURL(options.scope);
93 patternURL.removeFragmentIdentifier();
94 if (!documentOrigin->canRequest(patternURL)) {
95 resolver->reject(DOMException::create(SecurityError, "Can only register for patterns in the document's origin."));
96 return promise;
97 }
98
99 KURL scriptURL = executionContext->completeURL(url);
100 scriptURL.removeFragmentIdentifier();
101 if (!documentOrigin->canRequest(scriptURL)) {
102 resolver->reject(DOMException::create(SecurityError, "Script must be in document's origin."));
103 return promise;
104 }
105
106 m_provider->registerServiceWorker(patternURL, scriptURL, new CallbackPromiseAdapter<ServiceWorker, ServiceWorkerError>(resolver));
107 return promise;
108 }
109
110 class UndefinedValue {
111 public:
112 typedef WebServiceWorker WebType;
from(ScriptPromiseResolverWithContext * resolver,WebServiceWorker * worker)113 static V8UndefinedType from(ScriptPromiseResolverWithContext* resolver, WebServiceWorker* worker)
114 {
115 ASSERT(!worker); // Anything passed here will be leaked.
116 return V8UndefinedType();
117 }
118
119 private:
120 UndefinedValue();
121 };
122
unregisterServiceWorker(ScriptState * scriptState,const String & pattern)123 ScriptPromise ServiceWorkerContainer::unregisterServiceWorker(ScriptState* scriptState, const String& pattern)
124 {
125 ASSERT(RuntimeEnabledFeatures::serviceWorkerEnabled());
126 RefPtr<ScriptPromiseResolverWithContext> resolver = ScriptPromiseResolverWithContext::create(scriptState);
127 ScriptPromise promise = resolver->promise();
128
129 if (!m_provider) {
130 resolver->reject(DOMException::create(InvalidStateError, "No associated provider is available"));
131 return promise;
132 }
133
134 RefPtr<SecurityOrigin> documentOrigin = scriptState->executionContext()->securityOrigin();
135 KURL patternURL = scriptState->executionContext()->completeURL(pattern);
136 patternURL.removeFragmentIdentifier();
137 if (!pattern.isEmpty() && !documentOrigin->canRequest(patternURL)) {
138 resolver->reject(DOMException::create(SecurityError, "Can only unregister for patterns in the document's origin."));
139 return promise;
140 }
141
142 m_provider->unregisterServiceWorker(patternURL, new CallbackPromiseAdapter<UndefinedValue, ServiceWorkerError>(resolver));
143 return promise;
144 }
145
ready(ScriptState * scriptState)146 ScriptPromise ServiceWorkerContainer::ready(ScriptState* scriptState)
147 {
148 if (m_controller.get()) {
149 RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
150 ScriptPromise promise = resolver->promise();
151 resolver->resolve(m_controller.get());
152 return promise;
153 }
154 // FIXME: Elaborate the implementation when the "waiting" property
155 // or replace() is implemented.
156 return ScriptPromise();
157 }
158
159 // If the WebServiceWorker is up for adoption (does not have a
160 // WebServiceWorkerProxy owner), rejects the adoption by deleting the
161 // WebServiceWorker.
deleteIfNoExistingOwner(blink::WebServiceWorker * serviceWorker)162 static void deleteIfNoExistingOwner(blink::WebServiceWorker* serviceWorker)
163 {
164 if (serviceWorker && !serviceWorker->proxy())
165 delete serviceWorker;
166 }
167
setActive(blink::WebServiceWorker * serviceWorker)168 void ServiceWorkerContainer::setActive(blink::WebServiceWorker* serviceWorker)
169 {
170 if (!executionContext()) {
171 deleteIfNoExistingOwner(serviceWorker);
172 return;
173 }
174 m_active = ServiceWorker::from(executionContext(), serviceWorker);
175 }
176
setController(blink::WebServiceWorker * serviceWorker)177 void ServiceWorkerContainer::setController(blink::WebServiceWorker* serviceWorker)
178 {
179 if (!executionContext()) {
180 deleteIfNoExistingOwner(serviceWorker);
181 return;
182 }
183 m_controller = ServiceWorker::from(executionContext(), serviceWorker);
184 }
185
setInstalling(blink::WebServiceWorker * serviceWorker)186 void ServiceWorkerContainer::setInstalling(blink::WebServiceWorker* serviceWorker)
187 {
188 if (!executionContext()) {
189 deleteIfNoExistingOwner(serviceWorker);
190 return;
191 }
192 m_installing = ServiceWorker::from(executionContext(), serviceWorker);
193 }
194
setWaiting(blink::WebServiceWorker * serviceWorker)195 void ServiceWorkerContainer::setWaiting(blink::WebServiceWorker* serviceWorker)
196 {
197 if (!executionContext()) {
198 deleteIfNoExistingOwner(serviceWorker);
199 return;
200 }
201 m_waiting = ServiceWorker::from(executionContext(), serviceWorker);
202 }
203
dispatchMessageEvent(const blink::WebString & message,const blink::WebMessagePortChannelArray & webChannels)204 void ServiceWorkerContainer::dispatchMessageEvent(const blink::WebString& message, const blink::WebMessagePortChannelArray& webChannels)
205 {
206 if (!executionContext() || !executionContext()->executingWindow())
207 return;
208
209 OwnPtr<MessagePortArray> ports = MessagePort::toMessagePortArray(executionContext(), webChannels);
210 RefPtr<SerializedScriptValue> value = SerializedScriptValue::createFromWire(message);
211 executionContext()->executingWindow()->dispatchEvent(MessageEvent::create(ports.release(), value));
212 }
213
ServiceWorkerContainer(ExecutionContext * executionContext)214 ServiceWorkerContainer::ServiceWorkerContainer(ExecutionContext* executionContext)
215 : ContextLifecycleObserver(executionContext)
216 , m_provider(0)
217 {
218 ScriptWrappable::init(this);
219
220 if (!executionContext)
221 return;
222
223 if (ServiceWorkerContainerClient* client = ServiceWorkerContainerClient::from(executionContext)) {
224 m_provider = client->provider();
225 if (m_provider)
226 m_provider->setClient(this);
227 }
228 }
229
230 } // namespace WebCore
231