1 // Copyright (c) 2011 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 #ifndef CHROME_BROWSER_CHROMEOS_PLUGIN_SELECTION_POLICY_H_ 6 #define CHROME_BROWSER_CHROMEOS_PLUGIN_SELECTION_POLICY_H_ 7 8 #include <map> 9 #include <string> 10 #include <vector> 11 12 #include "base/gtest_prod_util.h" 13 #include "base/memory/ref_counted.h" 14 #include "webkit/plugins/npapi/webplugininfo.h" 15 16 class GURL; 17 class FilePath; 18 19 namespace chromeos { 20 21 #if !defined(OS_CHROMEOS) 22 #error This file is meant to be compiled on ChromeOS only. 23 #endif 24 25 // This class is used to provide logic for selection of a plugin 26 // executable path in the browser. It loads a policy file for 27 // selection of particular plugins based on the domain they are be 28 // instantiated for. It is used by the PluginService. It is (and 29 // should be) only used for ChromeOS. 30 31 // The functions in this class must only be called on the FILE thread 32 // (and will DCHECK if they aren't). 33 34 class PluginSelectionPolicy 35 : public base::RefCountedThreadSafe<PluginSelectionPolicy> { 36 public: 37 PluginSelectionPolicy(); 38 39 // This should be called before any other method. This starts the 40 // process of initialization on the FILE thread. 41 void StartInit(); 42 43 // Returns the first allowed plugin in the given vector of plugin 44 // information. Returns -1 if no plugins in the info vector are 45 // allowed (or if the info vector is empty). InitFromFile must 46 // complete before any calls to FindFirstAllowed happen or it will 47 // assert. 48 int FindFirstAllowed(const GURL& url, 49 const std::vector<webkit::npapi::WebPluginInfo>& info); 50 51 // Applies the current policy to the given path using the url to 52 // look up what the policy for that domain is. Returns true if the 53 // given plugin is allowed for that domain. InitFromFile must 54 // complete before any calls to IsAllowed happen or it will assert. 55 bool IsAllowed(const GURL& url, const FilePath& path); 56 57 private: 58 // To allow access to InitFromFile 59 FRIEND_TEST_ALL_PREFIXES(PluginSelectionPolicyTest, Basic); 60 FRIEND_TEST_ALL_PREFIXES(PluginSelectionPolicyTest, FindFirstAllowed); 61 FRIEND_TEST_ALL_PREFIXES(PluginSelectionPolicyTest, InitFromFile); 62 FRIEND_TEST_ALL_PREFIXES(PluginSelectionPolicyTest, IsAllowed); 63 FRIEND_TEST_ALL_PREFIXES(PluginSelectionPolicyTest, MissingFile); 64 65 // Initializes from the default policy file. 66 bool Init(); 67 68 // Initializes from the given file. 69 bool InitFromFile(const FilePath& policy_file); 70 71 typedef std::vector<std::pair<bool, std::string> > Policy; 72 typedef std::map<std::string, Policy> PolicyMap; 73 74 PolicyMap policies_; 75 76 // This is used to DCHECK if we try and call IsAllowed or 77 // FindFirstAllowed before we've finished executing InitFromFile. 78 // Note: We're "finished" even if loading the file fails -- the 79 // point of the DCHECK is to make sure we haven't violated our 80 // ordering/threading assumptions, not to make sure that we're 81 // properly initialized. 82 bool init_from_file_finished_; 83 84 DISALLOW_COPY_AND_ASSIGN(PluginSelectionPolicy); 85 }; 86 87 } // namespace chromeos 88 #endif // CHROME_BROWSER_CHROMEOS_PLUGIN_SELECTION_POLICY_H_ 89
