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| 1 // Copyright 2014 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/android/banners/app_banner_settings_helper.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <string> | |
| 9 | |
| 10 #include "chrome/browser/profiles/profile.h" | |
| 11 #include "components/content_settings/core/browser/host_content_settings_map.h" | |
| 12 #include "components/content_settings/core/common/content_settings_pattern.h" | |
| 13 #include "content/public/browser/web_contents.h" | |
| 14 #include "url/gurl.h" | |
| 15 | |
| 16 namespace { | |
| 17 std::string SanitizePackageName(std::string package_name) { | |
| 18 // DictionaryValue doesn't allow '.' in the keys. Replace them with ' ' | |
| 19 // because you can't have a package name with a ' ' in it. | |
| 20 std::replace(package_name.begin(), package_name.end(), '.', ' '); | |
| 21 return package_name; | |
| 22 } | |
| 23 | |
| 24 // Max number of apps that a particular site may show a banner for. | |
| 25 const size_t kMaxAppsPerSite = 3; | |
| 26 } // namespace | |
| 27 | |
| 28 bool AppBannerSettingsHelper::IsAllowed(content::WebContents* web_contents, | |
| 29 const GURL& origin_url, | |
| 30 const std::string& package_name) { | |
| 31 std::string sanitized_package_name = SanitizePackageName(package_name); | |
| 32 Profile* profile = | |
| 33 Profile::FromBrowserContext(web_contents->GetBrowserContext()); | |
| 34 if (profile->IsOffTheRecord() || web_contents->GetURL() != origin_url || | |
| 35 sanitized_package_name.empty()) { | |
| 36 return false; | |
| 37 } | |
| 38 | |
| 39 // Check if this combination has been previously disabled. | |
| 40 HostContentSettingsMap* settings = profile->GetHostContentSettingsMap(); | |
| 41 if (!settings) | |
| 42 return false; | |
| 43 scoped_ptr<base::Value> value = | |
| 44 settings->GetWebsiteSetting(origin_url, | |
| 45 origin_url, | |
| 46 CONTENT_SETTINGS_TYPE_APP_BANNER, | |
| 47 std::string(), | |
| 48 NULL); | |
| 49 if (!value.get()) { | |
| 50 // We've never blocked a banner on this site. | |
| 51 return true; | |
| 52 } else if (value->IsType(base::Value::TYPE_DICTIONARY)) { | |
| 53 // We expect to get a Dictionary back, where the keys are the package names. | |
| 54 base::DictionaryValue* banner_dict = | |
| 55 static_cast<base::DictionaryValue*>(value.get()); | |
| 56 bool is_allowed = false; | |
| 57 if (banner_dict->GetBoolean(sanitized_package_name, &is_allowed)) { | |
| 58 return is_allowed; | |
| 59 } else { | |
| 60 return banner_dict->size() < ::kMaxAppsPerSite; | |
| 61 } | |
| 62 } else { | |
| 63 // Somehow the value we got back is not a dictionary (e.g. the settings were | |
| 64 // corrupted by malware). Try to clear it out. | |
| 65 ContentSettingsPattern pattern(ContentSettingsPattern::FromURL(origin_url)); | |
| 66 if (pattern.IsValid()) { | |
| 67 settings->SetWebsiteSetting(pattern, | |
| 68 ContentSettingsPattern::Wildcard(), | |
| 69 CONTENT_SETTINGS_TYPE_APP_BANNER, | |
| 70 std::string(), | |
| 71 NULL); | |
| 72 return true; | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 return false; | |
| 77 } | |
| 78 | |
| 79 void AppBannerSettingsHelper::Block(content::WebContents* web_contents, | |
| 80 const GURL& origin_url, | |
| 81 const std::string& package_name) { | |
| 82 std::string sanitized_package_name = SanitizePackageName(package_name); | |
| 83 DCHECK(!sanitized_package_name.empty()); | |
| 84 | |
| 85 Profile* profile = | |
| 86 Profile::FromBrowserContext(web_contents->GetBrowserContext()); | |
| 87 HostContentSettingsMap* settings = profile->GetHostContentSettingsMap(); | |
| 88 ContentSettingsPattern pattern(ContentSettingsPattern::FromURL(origin_url)); | |
| 89 if (!settings || !pattern.IsValid()) | |
| 90 return; | |
| 91 | |
| 92 scoped_ptr<base::Value> value = | |
| 93 settings->GetWebsiteSetting(origin_url, | |
| 94 origin_url, | |
| 95 CONTENT_SETTINGS_TYPE_APP_BANNER, | |
| 96 std::string(), | |
| 97 NULL); | |
| 98 base::DictionaryValue* banner_dict = NULL; | |
| 99 if (value.get() && value->IsType(base::Value::TYPE_DICTIONARY)) { | |
| 100 banner_dict = static_cast<base::DictionaryValue*>(value.release()); | |
| 101 } else { | |
| 102 banner_dict = new base::DictionaryValue(); | |
| 103 } | |
| 104 | |
| 105 // Update the setting and save it back. | |
| 106 banner_dict->SetBoolean(sanitized_package_name, false); | |
| 107 settings->SetWebsiteSetting(pattern, | |
| 108 ContentSettingsPattern::Wildcard(), | |
| 109 CONTENT_SETTINGS_TYPE_APP_BANNER, | |
| 110 std::string(), | |
| 111 banner_dict); | |
| 112 } | |
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Chromium Code Reviews
Issue 884373002:
Update content setting for app banners to store more information. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master