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| 1 // Copyright (c) 2006-2009 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 "webkit/glue/plugins/plugin_list.h" | |
| 6 | |
| 7 #import <Foundation/Foundation.h> | |
| 8 | |
| 9 #include "base/file_util.h" | |
| 10 #include "base/mac_util.h" | |
| 11 #include "base/string_number_conversions.h" | |
| 12 #include "base/string_split.h" | |
| 13 #include "base/string_util.h" | |
| 14 #include "base/utf_string_conversions.h" | |
| 15 #include "webkit/glue/plugins/plugin_lib.h" | |
| 16 | |
| 17 namespace { | |
| 18 | |
| 19 void GetPluginCommonDirectory(std::vector<FilePath>* plugin_dirs, | |
| 20 bool user) { | |
| 21 // Note that there are no NSSearchPathDirectory constants for these | |
| 22 // directories so we can't use Cocoa's NSSearchPathForDirectoriesInDomains(). | |
| 23 // Interestingly, Safari hard-codes the location (see | |
| 24 // WebKit/WebKit/mac/Plugins/WebPluginDatabase.mm's +_defaultPlugInPaths). | |
| 25 FSRef ref; | |
| 26 OSErr err = FSFindFolder(user ? kUserDomain : kLocalDomain, | |
| 27 kInternetPlugInFolderType, false, &ref); | |
| 28 | |
| 29 if (err) | |
| 30 return; | |
| 31 | |
| 32 plugin_dirs->push_back(FilePath(mac_util::PathFromFSRef(ref))); | |
| 33 } | |
| 34 | |
| 35 // Returns true if the plugin should be prevented from loading. | |
| 36 bool IsBlacklistedPlugin(const WebPluginInfo& info) { | |
| 37 // We blacklist Gears by included MIME type, since that is more stable than | |
| 38 // its name. Be careful about adding any more plugins to this list though, | |
| 39 // since it's easy to accidentally blacklist plugins that support lots of | |
| 40 // MIME types. | |
| 41 for (std::vector<WebPluginMimeType>::const_iterator i = | |
| 42 info.mime_types.begin(); i != info.mime_types.end(); ++i) { | |
| 43 // The Gears plugin is Safari-specific, so don't load it. | |
| 44 if (i->mime_type == "application/x-googlegears") | |
| 45 return true; | |
| 46 } | |
| 47 | |
| 48 // Versions of Flip4Mac 2.3 before 2.3.6 often hang the renderer, so don't | |
| 49 // load them. | |
| 50 if (StartsWith(info.name, ASCIIToUTF16("Flip4Mac Windows Media"), false) && | |
| 51 StartsWith(info.version, ASCIIToUTF16("2.3"), false)) { | |
| 52 std::vector<string16> components; | |
| 53 base::SplitString(info.version, '.', &components); | |
| 54 int bugfix_version = 0; | |
| 55 return (components.size() >= 3 && | |
| 56 base::StringToInt(components[2], &bugfix_version) && | |
| 57 bugfix_version < 6); | |
| 58 } | |
| 59 | |
| 60 return false; | |
| 61 } | |
| 62 | |
| 63 } // namespace | |
| 64 | |
| 65 namespace NPAPI | |
| 66 { | |
| 67 | |
| 68 void PluginList::PlatformInit() { | |
| 69 } | |
| 70 | |
| 71 void PluginList::GetPluginDirectories(std::vector<FilePath>* plugin_dirs) { | |
| 72 // Load from the user's area | |
| 73 GetPluginCommonDirectory(plugin_dirs, true); | |
| 74 | |
| 75 // Load from the machine-wide area | |
| 76 GetPluginCommonDirectory(plugin_dirs, false); | |
| 77 } | |
| 78 | |
| 79 void PluginList::LoadPluginsFromDir(const FilePath &path, | |
| 80 std::vector<WebPluginInfo>* plugins, | |
| 81 std::set<FilePath>* visited_plugins) { | |
| 82 file_util::FileEnumerator enumerator(path, | |
| 83 false, // not recursive | |
| 84 file_util::FileEnumerator::DIRECTORIES); | |
| 85 for (FilePath path = enumerator.Next(); !path.value().empty(); | |
| 86 path = enumerator.Next()) { | |
| 87 LoadPlugin(path, plugins); | |
| 88 visited_plugins->insert(path); | |
| 89 } | |
| 90 } | |
| 91 | |
| 92 bool PluginList::ShouldLoadPlugin(const WebPluginInfo& info, | |
| 93 std::vector<WebPluginInfo>* plugins) { | |
| 94 if (IsBlacklistedPlugin(info)) | |
| 95 return false; | |
| 96 | |
| 97 // Hierarchy check | |
| 98 // (we're loading plugins hierarchically from Library folders, so plugins we | |
| 99 // encounter earlier must override plugins we encounter later) | |
| 100 for (size_t i = 0; i < plugins->size(); ++i) { | |
| 101 if ((*plugins)[i].path.BaseName() == info.path.BaseName()) { | |
| 102 return false; // We already have a loaded plugin higher in the hierarchy. | |
| 103 } | |
| 104 } | |
| 105 | |
| 106 return true; | |
| 107 } | |
| 108 | |
| 109 } // namespace NPAPI | |
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