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1 // Copyright 2017 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 "components/cdm/browser/media_drm_storage_impl.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "base/memory/ptr_util.h" | |
9 #include "components/prefs/pref_registry_simple.h" | |
10 #include "components/prefs/pref_service.h" | |
11 #include "components/prefs/scoped_user_pref_update.h" | |
12 #include "content/public/browser/browser_thread.h" | |
13 #include "content/public/browser/navigation_handle.h" | |
14 | |
15 // The storage will be managed by PrefService. All data will be stored in a | |
16 // dictionary under the key "media.media_drm_storage". The dictionary is | |
17 // structured as follows: | |
18 // | |
19 // { | |
20 // $origin: { | |
21 // "origin_id": $origin_id | |
22 // "creation_time": $creation_time | |
23 // "sessions" : { | |
24 // $session_id: { | |
25 // "key_set_id": $key_set_id, | |
26 // "mime_type": $mime_type, | |
27 // "creation_time": $creation_time | |
28 // }, | |
29 // # more session_id map... | |
30 // } | |
31 // }, | |
32 // # more origin map... | |
33 // } | |
34 | |
35 namespace cdm { | |
36 | |
37 namespace { | |
38 | |
39 const char kMediaDrmStorage[] = "media.media_drm_storage"; | |
40 | |
41 } // namespace | |
42 | |
43 // static | |
44 void MediaDrmStorageImpl::RegisterProfilePrefs(PrefRegistrySimple* registry) { | |
45 registry->RegisterDictionaryPref(kMediaDrmStorage); | |
46 } | |
47 | |
48 MediaDrmStorageImpl::MediaDrmStorageImpl( | |
49 content::RenderFrameHost* render_frame_host, | |
50 PrefService* pref_service, | |
51 const url::Origin& origin, | |
52 media::mojom::MediaDrmStorageRequest request) | |
53 : render_frame_host_(render_frame_host), | |
54 pref_service_(pref_service), | |
55 origin_(origin), | |
56 binding_(this, std::move(request)) { | |
57 DVLOG(1) << __func__ << ": origin = " << origin; | |
58 DCHECK_CURRENTLY_ON(content::BrowserThread::UI); | |
59 DCHECK(pref_service_); | |
60 | |
61 // |this| owns |binding_|, so unretained is safe. | |
62 binding_.set_connection_error_handler( | |
63 base::Bind(&MediaDrmStorageImpl::Close, base::Unretained(this))); | |
64 } | |
65 | |
66 MediaDrmStorageImpl::~MediaDrmStorageImpl() { | |
67 DVLOG(1) << __func__; | |
68 DCHECK_CURRENTLY_ON(content::BrowserThread::UI); | |
69 } | |
70 | |
71 // TODO(xhwang): Update this function to return an origin ID. If the origin is | |
72 // not the same as |origin_|, return an empty origin ID. | |
73 void MediaDrmStorageImpl::Initialize(const url::Origin& origin) { | |
74 DVLOG(1) << __func__ << ": origin = " << origin; | |
75 DCHECK_CURRENTLY_ON(content::BrowserThread::UI); | |
76 DCHECK(!initialized_); | |
77 | |
78 // The |origin| comes from a renderer process and cannot be trusted. | |
79 if (!origin_.IsSameOriginWith(origin)) { | |
dcheng
2017/03/31 18:01:56
Nit: as mentioned yesterday, let's remove the orig
xhwang
2017/03/31 18:25:37
Done.
| |
80 DVLOG(1) << __func__ << ": Origin mismatch " << origin_ << " vs " << origin; | |
81 Close(); | |
82 return; | |
83 } | |
84 | |
85 initialized_ = true; | |
86 } | |
87 | |
88 void MediaDrmStorageImpl::OnProvisioned(const OnProvisionedCallback& callback) { | |
89 DVLOG(1) << __func__; | |
90 DCHECK_CURRENTLY_ON(content::BrowserThread::UI); | |
91 | |
92 if (!initialized_) { | |
93 DVLOG(1) << __func__ << ": Not initialized."; | |
94 callback.Run(false); | |
95 return; | |
96 } | |
97 | |
98 NOTIMPLEMENTED(); | |
99 callback.Run(false); | |
100 } | |
101 | |
102 void MediaDrmStorageImpl::SavePersistentSession( | |
103 const std::string& session_id, | |
104 media::mojom::SessionDataPtr session_data, | |
105 const SavePersistentSessionCallback& callback) { | |
106 DVLOG(2) << __func__; | |
107 DCHECK_CURRENTLY_ON(content::BrowserThread::UI); | |
108 | |
109 if (!initialized_) { | |
110 DVLOG(1) << __func__ << ": Not initialized."; | |
111 callback.Run(false); | |
112 return; | |
113 } | |
114 | |
115 NOTIMPLEMENTED(); | |
116 callback.Run(false); | |
117 } | |
118 | |
119 void MediaDrmStorageImpl::LoadPersistentSession( | |
120 const std::string& session_id, | |
121 const LoadPersistentSessionCallback& callback) { | |
122 DVLOG(2) << __func__; | |
123 DCHECK_CURRENTLY_ON(content::BrowserThread::UI); | |
124 | |
125 if (!initialized_) { | |
126 DVLOG(1) << __func__ << ": Not initialized."; | |
127 callback.Run(nullptr); | |
128 return; | |
129 } | |
130 | |
131 NOTIMPLEMENTED(); | |
132 callback.Run(nullptr); | |
133 } | |
134 | |
135 void MediaDrmStorageImpl::RemovePersistentSession( | |
136 const std::string& session_id, | |
137 const RemovePersistentSessionCallback& callback) { | |
138 DVLOG(2) << __func__; | |
139 DCHECK_CURRENTLY_ON(content::BrowserThread::UI); | |
140 | |
141 if (!initialized_) { | |
142 DVLOG(1) << __func__ << ": Not initialized."; | |
143 callback.Run(false); | |
144 return; | |
145 } | |
146 | |
147 NOTIMPLEMENTED(); | |
148 callback.Run(false); | |
149 } | |
150 | |
151 void MediaDrmStorageImpl::RenderFrameDeleted( | |
152 content::RenderFrameHost* render_frame_host) { | |
153 if (render_frame_host == render_frame_host_) { | |
154 DVLOG(1) << __func__ << ": RenderFrame destroyed."; | |
155 Close(); | |
156 } | |
157 } | |
158 | |
159 void MediaDrmStorageImpl::DidFinishNavigation( | |
160 content::NavigationHandle* navigation_handle) { | |
161 if (!origin_.IsSameOriginWith(url::Origin(navigation_handle->GetURL()))) { | |
dcheng
2017/03/31 18:01:56
1) I think this should be checking that navigation
xhwang
2017/03/31 18:25:37
Done.
But is it possible that after navigation we
| |
162 DVLOG(1) << __func__ << ": Close connection on navigation."; | |
163 Close(); | |
164 } | |
165 } | |
166 | |
167 void MediaDrmStorageImpl::Close() { | |
168 DVLOG(1) << __func__; | |
169 DCHECK_CURRENTLY_ON(content::BrowserThread::UI); | |
170 | |
171 Observe(nullptr); | |
dcheng
2017/03/31 18:01:56
This is unnecessary: WebContentsObserver unobserve
xhwang
2017/03/31 18:25:37
Done.
I actually saw this pattern in a few places
| |
172 delete this; | |
173 } | |
174 | |
175 } // namespace cdm | |
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