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/plugins/plugin_metadata.h"
6
7 #include <algorithm>
8
9 #include "base/logging.h"
10 #include "base/strings/string_util.h"
11 #include "content/public/common/webplugininfo.h"
12
13 // static
14 const char PluginMetadata::kAdobeReaderGroupName[] = "Adobe Reader";
15 const char PluginMetadata::kJavaGroupName[] = "Java(TM)";
16 const char PluginMetadata::kQuickTimeGroupName[] = "QuickTime Player";
17 const char PluginMetadata::kShockwaveGroupName[] = "Adobe Shockwave Player";
18 const char PluginMetadata::kRealPlayerGroupName[] = "RealPlayer";
19 const char PluginMetadata::kSilverlightGroupName[] = "Silverlight";
20 const char PluginMetadata::kWindowsMediaPlayerGroupName[] =
21 "Windows Media Player";
22
PluginMetadata(const std::string & identifier,const base::string16 & name,bool url_for_display,const GURL & plugin_url,const GURL & help_url,const base::string16 & group_name_matcher,const std::string & language)23 PluginMetadata::PluginMetadata(const std::string& identifier,
24 const base::string16& name,
25 bool url_for_display,
26 const GURL& plugin_url,
27 const GURL& help_url,
28 const base::string16& group_name_matcher,
29 const std::string& language)
30 : identifier_(identifier),
31 name_(name),
32 group_name_matcher_(group_name_matcher),
33 url_for_display_(url_for_display),
34 plugin_url_(plugin_url),
35 help_url_(help_url),
36 language_(language) {
37 }
38
~PluginMetadata()39 PluginMetadata::~PluginMetadata() {
40 }
41
AddVersion(const Version & version,SecurityStatus status)42 void PluginMetadata::AddVersion(const Version& version,
43 SecurityStatus status) {
44 DCHECK(versions_.find(version) == versions_.end());
45 versions_[version] = status;
46 }
47
AddMimeType(const std::string & mime_type)48 void PluginMetadata::AddMimeType(const std::string& mime_type) {
49 all_mime_types_.push_back(mime_type);
50 }
51
AddMatchingMimeType(const std::string & mime_type)52 void PluginMetadata::AddMatchingMimeType(const std::string& mime_type) {
53 matching_mime_types_.push_back(mime_type);
54 }
55
HasMimeType(const std::string & mime_type) const56 bool PluginMetadata::HasMimeType(const std::string& mime_type) const {
57 return std::find(all_mime_types_.begin(), all_mime_types_.end(), mime_type) !=
58 all_mime_types_.end();
59 }
60
MatchesPlugin(const content::WebPluginInfo & plugin)61 bool PluginMetadata::MatchesPlugin(const content::WebPluginInfo& plugin) {
62 for (size_t i = 0; i < matching_mime_types_.size(); ++i) {
63 // To have a match, every one of the |matching_mime_types_|
64 // must be handled by the plug-in.
65 size_t j = 0;
66 for (; j < plugin.mime_types.size(); ++j) {
67 if (plugin.mime_types[j].mime_type == matching_mime_types_[i])
68 break;
69 }
70 if (j == plugin.mime_types.size())
71 return false;
72 }
73
74 return MatchPattern(plugin.name, group_name_matcher_);
75 }
76
77 // static
ParseSecurityStatus(const std::string & status_str,PluginMetadata::SecurityStatus * status)78 bool PluginMetadata::ParseSecurityStatus(
79 const std::string& status_str,
80 PluginMetadata::SecurityStatus* status) {
81 if (status_str == "up_to_date")
82 *status = SECURITY_STATUS_UP_TO_DATE;
83 else if (status_str == "out_of_date")
84 *status = SECURITY_STATUS_OUT_OF_DATE;
85 else if (status_str == "requires_authorization")
86 *status = SECURITY_STATUS_REQUIRES_AUTHORIZATION;
87 else
88 return false;
89
90 return true;
91 }
92
GetSecurityStatus(const content::WebPluginInfo & plugin) const93 PluginMetadata::SecurityStatus PluginMetadata::GetSecurityStatus(
94 const content::WebPluginInfo& plugin) const {
95 if (versions_.empty()) {
96 // Unknown plugins require authorization.
97 return SECURITY_STATUS_REQUIRES_AUTHORIZATION;
98 }
99
100 Version version;
101 content::WebPluginInfo::CreateVersionFromString(plugin.version, &version);
102 if (!version.IsValid())
103 version = Version("0");
104
105 // |lower_bound| returns the latest version that is not newer than |version|.
106 std::map<Version, SecurityStatus, VersionComparator>::const_iterator it =
107 versions_.lower_bound(version);
108 // If there is at least one version defined, everything older than the oldest
109 // defined version is considered out-of-date.
110 if (it == versions_.end())
111 return SECURITY_STATUS_OUT_OF_DATE;
112
113 return it->second;
114 }
115
operator ()(const Version & lhs,const Version & rhs) const116 bool PluginMetadata::VersionComparator::operator() (const Version& lhs,
117 const Version& rhs) const {
118 // Keep versions ordered by newest (biggest) first.
119 return lhs.CompareTo(rhs) > 0;
120 }
121
Clone() const122 scoped_ptr<PluginMetadata> PluginMetadata::Clone() const {
123 PluginMetadata* copy = new PluginMetadata(identifier_,
124 name_,
125 url_for_display_,
126 plugin_url_,
127 help_url_,
128 group_name_matcher_,
129 language_);
130 copy->versions_ = versions_;
131 return make_scoped_ptr(copy);
132 }
133