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 "chrome/browser/pepper_broker_infobar_delegate.h"
6
7 #include "base/prefs/pref_service.h"
8 #include "chrome/browser/content_settings/host_content_settings_map.h"
9 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
10 #include "chrome/browser/infobars/infobar.h"
11 #include "chrome/browser/infobars/infobar_service.h"
12 #include "chrome/browser/plugins/plugin_finder.h"
13 #include "chrome/browser/plugins/plugin_metadata.h"
14 #include "chrome/browser/profiles/profile.h"
15 #include "chrome/common/pref_names.h"
16 #include "content/public/browser/page_navigator.h"
17 #include "content/public/browser/plugin_service.h"
18 #include "content/public/browser/user_metrics.h"
19 #include "content/public/browser/web_contents.h"
20 #include "content/public/common/referrer.h"
21 #include "content/public/common/webplugininfo.h"
22 #include "grit/generated_resources.h"
23 #include "grit/theme_resources.h"
24 #include "net/base/net_util.h"
25 #include "ui/base/l10n/l10n_util.h"
26
27 #if defined(GOOGLE_TV)
28 #include "base/android/context_types.h"
29 #endif
30
31
32 // static
Create(content::WebContents * web_contents,const GURL & url,const base::FilePath & plugin_path,const base::Callback<void (bool)> & callback)33 void PepperBrokerInfoBarDelegate::Create(
34 content::WebContents* web_contents,
35 const GURL& url,
36 const base::FilePath& plugin_path,
37 const base::Callback<void(bool)>& callback) {
38 Profile* profile =
39 Profile::FromBrowserContext(web_contents->GetBrowserContext());
40 // TODO(wad): Add ephemeral device ID support for broker in guest mode.
41 if (profile->IsGuestSession()) {
42 callback.Run(false);
43 return;
44 }
45
46 TabSpecificContentSettings* tab_content_settings =
47 TabSpecificContentSettings::FromWebContents(web_contents);
48
49 #if defined(OS_CHROMEOS)
50 // On ChromeOS, we're ok with granting broker access to the Netflix and
51 // Widevine plugins, since they can only come installed with the OS.
52 const char kWidevinePluginFileName[] = "libwidevinecdmadapter.so";
53 const char kNetflixDomain[] = "netflix.com";
54
55 base::FilePath plugin_file_name = plugin_path.BaseName();
56 if (plugin_file_name.value() == FILE_PATH_LITERAL(kWidevinePluginFileName) &&
57 url.DomainIs(kNetflixDomain)) {
58 tab_content_settings->SetPepperBrokerAllowed(true);
59 callback.Run(true);
60 return;
61 }
62 #endif
63
64 #if defined(GOOGLE_TV)
65 // On GoogleTV, Netflix crypto/mdx plugin and DRM server adapter plugin can
66 // only come pre-installed with the OS, so we're willing to auto-grant access
67 // to them. PluginRootName should be matched with PEPPER_PLUGIN_ROOT
68 // in PepperPluginManager.java.
69 const char kPluginRootName[] = "/system/lib/pepperplugin";
70 const char kNetflixCryptoPluginFileName[] = "libnrddpicrypto.so";
71 const char kNetflixMdxPluginFileName[] = "libnrdmdx.so";
72 const char kDrmServerAdapterPluginFileName[] = "libdrmserveradapter.so";
73 base::FilePath::StringType plugin_dir_name = plugin_path.DirName().value();
74 base::FilePath::StringType plugin_file_name = plugin_path.BaseName().value();
75 if (base::android::IsRunningInWebapp() &&
76 plugin_dir_name == FILE_PATH_LITERAL(kPluginRootName) &&
77 (plugin_file_name == FILE_PATH_LITERAL(kNetflixCryptoPluginFileName) ||
78 plugin_file_name == FILE_PATH_LITERAL(kNetflixMdxPluginFileName) ||
79 plugin_file_name ==
80 FILE_PATH_LITERAL(kDrmServerAdapterPluginFileName))) {
81 tab_content_settings->SetPepperBrokerAllowed(true);
82 callback.Run(true);
83 return;
84 }
85 #endif
86
87 HostContentSettingsMap* content_settings =
88 profile->GetHostContentSettingsMap();
89 ContentSetting setting =
90 content_settings->GetContentSetting(url, url,
91 CONTENT_SETTINGS_TYPE_PPAPI_BROKER,
92 std::string());
93
94 if (setting == CONTENT_SETTING_ASK) {
95 content::RecordAction(
96 content::UserMetricsAction("PPAPI.BrokerInfobarDisplayed"));
97 InfoBarService* infobar_service =
98 InfoBarService::FromWebContents(web_contents);
99 infobar_service->AddInfoBar(ConfirmInfoBarDelegate::CreateInfoBar(
100 scoped_ptr<ConfirmInfoBarDelegate>(new PepperBrokerInfoBarDelegate(
101 url, plugin_path,
102 profile->GetPrefs()->GetString(prefs::kAcceptLanguages),
103 content_settings, tab_content_settings, callback))));
104 return;
105 }
106
107 bool allowed = (setting == CONTENT_SETTING_ALLOW);
108 content::RecordAction(allowed ?
109 content::UserMetricsAction("PPAPI.BrokerSettingAllow") :
110 content::UserMetricsAction("PPAPI.BrokerSettingDeny"));
111 tab_content_settings->SetPepperBrokerAllowed(allowed);
112 callback.Run(allowed);
113 }
114
PepperBrokerInfoBarDelegate(const GURL & url,const base::FilePath & plugin_path,const std::string & languages,HostContentSettingsMap * content_settings,TabSpecificContentSettings * tab_content_settings,const base::Callback<void (bool)> & callback)115 PepperBrokerInfoBarDelegate::PepperBrokerInfoBarDelegate(
116 const GURL& url,
117 const base::FilePath& plugin_path,
118 const std::string& languages,
119 HostContentSettingsMap* content_settings,
120 TabSpecificContentSettings* tab_content_settings,
121 const base::Callback<void(bool)>& callback)
122 : ConfirmInfoBarDelegate(),
123 url_(url),
124 plugin_path_(plugin_path),
125 languages_(languages),
126 content_settings_(content_settings),
127 tab_content_settings_(tab_content_settings),
128 callback_(callback) {
129 }
130
~PepperBrokerInfoBarDelegate()131 PepperBrokerInfoBarDelegate::~PepperBrokerInfoBarDelegate() {
132 if (!callback_.is_null())
133 callback_.Run(false);
134 }
135
GetIconID() const136 int PepperBrokerInfoBarDelegate::GetIconID() const {
137 return IDR_INFOBAR_PLUGIN_INSTALL;
138 }
139
GetMessageText() const140 base::string16 PepperBrokerInfoBarDelegate::GetMessageText() const {
141 content::PluginService* plugin_service =
142 content::PluginService::GetInstance();
143 content::WebPluginInfo plugin;
144 bool success = plugin_service->GetPluginInfoByPath(plugin_path_, &plugin);
145 DCHECK(success);
146 scoped_ptr<PluginMetadata> plugin_metadata(
147 PluginFinder::GetInstance()->GetPluginMetadata(plugin));
148 return l10n_util::GetStringFUTF16(IDS_PEPPER_BROKER_MESSAGE,
149 plugin_metadata->name(),
150 net::FormatUrl(url_.GetOrigin(),
151 languages_));
152 }
153
GetButtonLabel(InfoBarButton button) const154 base::string16 PepperBrokerInfoBarDelegate::GetButtonLabel(
155 InfoBarButton button) const {
156 return l10n_util::GetStringUTF16((button == BUTTON_OK) ?
157 IDS_PEPPER_BROKER_ALLOW_BUTTON : IDS_PEPPER_BROKER_DENY_BUTTON);
158 }
159
Accept()160 bool PepperBrokerInfoBarDelegate::Accept() {
161 DispatchCallback(true);
162 return true;
163 }
164
Cancel()165 bool PepperBrokerInfoBarDelegate::Cancel() {
166 DispatchCallback(false);
167 return true;
168 }
169
GetLinkText() const170 base::string16 PepperBrokerInfoBarDelegate::GetLinkText() const {
171 return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
172 }
173
LinkClicked(WindowOpenDisposition disposition)174 bool PepperBrokerInfoBarDelegate::LinkClicked(
175 WindowOpenDisposition disposition) {
176 GURL learn_more_url("https://support.google.com/chrome/?p=ib_pepper_broker");
177 web_contents()->OpenURL(content::OpenURLParams(
178 learn_more_url, content::Referrer(),
179 (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
180 content::PAGE_TRANSITION_LINK, false));
181 return false;
182 }
183
DispatchCallback(bool result)184 void PepperBrokerInfoBarDelegate::DispatchCallback(bool result) {
185 content::RecordAction(result ?
186 content::UserMetricsAction("PPAPI.BrokerInfobarClickedAllow") :
187 content::UserMetricsAction("PPAPI.BrokerInfobarClickedDeny"));
188 callback_.Run(result);
189 callback_ = base::Callback<void(bool)>();
190 content_settings_->SetContentSetting(
191 ContentSettingsPattern::FromURLNoWildcard(url_),
192 ContentSettingsPattern::Wildcard(),
193 CONTENT_SETTINGS_TYPE_PPAPI_BROKER,
194 std::string(), result ? CONTENT_SETTING_ALLOW : CONTENT_SETTING_BLOCK);
195 tab_content_settings_->SetPepperBrokerAllowed(result);
196 }
197