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| 1 // Copyright 2016 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 MOJO_SERVICES_PACKAGE_MANAGER_PACKAGE_MANAGER_H_ | |
| 6 #define MOJO_SERVICES_PACKAGE_MANAGER_PACKAGE_MANAGER_H_ | |
| 7 | |
| 8 #include "base/files/file_path.h" | |
| 9 #include "base/memory/weak_ptr.h" | |
| 10 #include "base/path_service.h" | |
| 11 #include "base/values.h" | |
| 12 #include "mojo/public/cpp/bindings/binding_set.h" | |
| 13 #include "mojo/services/package_manager/public/interfaces/catalog.mojom.h" | |
| 14 #include "mojo/services/package_manager/public/interfaces/resolver.mojom.h" | |
| 15 #include "mojo/shell/public/cpp/interface_factory.h" | |
| 16 #include "mojo/shell/public/cpp/shell_client.h" | |
| 17 #include "mojo/shell/public/interfaces/shell_resolver.mojom.h" | |
| 18 #include "url/gurl.h" | |
| 19 | |
| 20 namespace package_manager { | |
| 21 // A set of names of interfaces that may be exposed to an application. | |
| 22 using AllowedInterfaces = std::set<std::string>; | |
| 23 // A map of allowed applications to allowed interface sets. See shell.mojom for | |
| 24 // more details. | |
| 25 using CapabilityFilter = std::map<std::string, AllowedInterfaces>; | |
| 26 | |
| 27 // Static information about an application package known to the PackageManager. | |
| 28 struct ApplicationInfo { | |
| 29 ApplicationInfo(); | |
| 30 ApplicationInfo(const ApplicationInfo& other); | |
| 31 ~ApplicationInfo(); | |
| 32 | |
| 33 std::string name; | |
| 34 std::string qualifier; | |
| 35 std::string display_name; | |
| 36 CapabilityFilter base_filter; | |
| 37 }; | |
| 38 | |
| 39 // Implemented by an object that provides storage for the application catalog | |
| 40 // (e.g. in Chrome, preferences). The PackageManagerImpl is the canonical owner | |
| 41 // of the contents of the store, so no one else must modify its contents. | |
| 42 class ApplicationCatalogStore { | |
| 43 public: | |
| 44 // Value is a string. | |
| 45 static const char kNameKey[]; | |
| 46 // Value is a string. | |
| 47 static const char kQualifierKey[]; | |
| 48 // Value is a string. | |
| 49 static const char kDisplayNameKey[]; | |
| 50 // Value is a dictionary that maps from the filter to a list of string | |
| 51 // interfaces. | |
| 52 static const char kCapabilitiesKey[]; | |
| 53 | |
| 54 virtual ~ApplicationCatalogStore() {} | |
| 55 | |
| 56 // Called during initialization to construct the PackageManagerImpl's catalog. | |
| 57 // Returns a serialized list of the apps. Each entry in the returned list | |
| 58 // corresponds to an app (as a dictionary). Each dictionary has a name, | |
| 59 // display name and capabilities. The return value is owned by the caller. | |
| 60 virtual const base::ListValue* GetStore() = 0; | |
| 61 | |
| 62 // Write the catalog to the store. Called when the PackageManagerImpl learns | |
| 63 // of a newly encountered application. | |
| 64 virtual void UpdateStore(scoped_ptr<base::ListValue> store) = 0; | |
| 65 }; | |
| 66 | |
| 67 class PackageManager | |
| 68 : public mojo::ShellClient, | |
| 69 public mojo::InterfaceFactory<mojom::Resolver>, | |
| 70 public mojo::InterfaceFactory<mojo::shell::mojom::ShellResolver>, | |
| 71 public mojo::InterfaceFactory<mojom::Catalog>, | |
| 72 public mojom::Resolver, | |
| 73 public mojo::shell::mojom::ShellResolver, | |
| 74 public mojom::Catalog { | |
| 75 public: | |
| 76 // If |register_schemes| is true, mojo: and exe: schemes are registered as | |
| 77 // "standard". | |
| 78 PackageManager(base::TaskRunner* blocking_pool, | |
| 79 scoped_ptr<ApplicationCatalogStore> catalog); | |
| 80 ~PackageManager() override; | |
| 81 | |
| 82 private: | |
| 83 using MojoNameAliasMap = | |
| 84 std::map<std::string, std::pair<std::string, std::string>>; | |
| 85 | |
| 86 // mojo::ShellClient: | |
| 87 bool AcceptConnection(mojo::Connection* connection) override; | |
| 88 | |
| 89 // mojo::InterfaceFactory<mojom::Resolver>: | |
| 90 void Create(mojo::Connection* connection, | |
| 91 mojom::ResolverRequest request) override; | |
| 92 | |
| 93 // mojo::InterfaceFactory<mojo::shell::mojom::ShellResolver>: | |
| 94 void Create(mojo::Connection* connection, | |
| 95 mojo::shell::mojom::ShellResolverRequest request) override; | |
| 96 | |
| 97 // mojo::InterfaceFactory<mojom::Catalog>: | |
| 98 void Create(mojo::Connection* connection, | |
| 99 mojom::CatalogRequest request) override; | |
| 100 | |
| 101 // mojom::Resolver: | |
| 102 void ResolveResponse( | |
| 103 mojo::URLResponsePtr response, | |
| 104 const ResolveResponseCallback& callback) override; | |
| 105 void ResolveInterfaces(mojo::Array<mojo::String> interfaces, | |
| 106 const ResolveInterfacesCallback& callback) override; | |
| 107 void ResolveMIMEType(const mojo::String& mime_type, | |
| 108 const ResolveMIMETypeCallback& callback) override; | |
| 109 void ResolveProtocolScheme( | |
| 110 const mojo::String& scheme, | |
| 111 const ResolveProtocolSchemeCallback& callback) override; | |
| 112 | |
| 113 // mojo::shell::mojom::ShellResolver: | |
| 114 void ResolveMojoName(const mojo::String& mojo_name, | |
| 115 const ResolveMojoNameCallback& callback) override; | |
| 116 | |
| 117 // mojom::Catalog: | |
| 118 void GetEntries(mojo::Array<mojo::String> names, | |
| 119 const GetEntriesCallback& callback) override; | |
| 120 | |
| 121 // Completes resolving a Mojo name from the Shell after the resolved name has | |
| 122 // been added to the catalog and the manifest read. | |
| 123 void CompleteResolveMojoName(const std::string& resolved_name, | |
| 124 const std::string& qualifier, | |
| 125 const ResolveMojoNameCallback& callback); | |
| 126 | |
| 127 bool IsNameInCatalog(const std::string& name) const; | |
| 128 | |
| 129 // Called from ResolveMojoName(). | |
| 130 // Attempts to load a manifest for |name|, reads it and adds its metadata to | |
| 131 // the catalog. | |
| 132 void AddNameToCatalog(const std::string& name, | |
| 133 const ResolveMojoNameCallback& callback); | |
| 134 | |
| 135 // Populate/serialize the catalog from/to the supplied store. | |
| 136 void DeserializeCatalog(); | |
| 137 void SerializeCatalog(); | |
| 138 | |
| 139 // Construct a catalog entry from |dictionary|. | |
| 140 const ApplicationInfo& DeserializeApplication( | |
| 141 const base::DictionaryValue* dictionary); | |
| 142 | |
| 143 GURL GetManifestURL(const std::string& name); | |
| 144 | |
| 145 // Called once the manifest has been read. |pm| may be null at this point, | |
| 146 // but |callback| must be run. | |
| 147 static void OnReadManifest(base::WeakPtr<PackageManager> pm, | |
| 148 const std::string& name, | |
| 149 const ResolveMojoNameCallback& callback, | |
| 150 scoped_ptr<base::Value> manifest); | |
| 151 | |
| 152 // Called once the manifest is read and |this| hasn't been deleted. | |
| 153 void OnReadManifestImpl(const std::string& name, | |
| 154 const ResolveMojoNameCallback& callback, | |
| 155 scoped_ptr<base::Value> manifest); | |
| 156 | |
| 157 base::TaskRunner* blocking_pool_; | |
| 158 GURL system_package_dir_; | |
| 159 | |
| 160 mojo::BindingSet<mojom::Resolver> resolver_bindings_; | |
| 161 mojo::BindingSet<mojo::shell::mojom::ShellResolver> shell_resolver_bindings_; | |
| 162 mojo::BindingSet<mojom::Catalog> catalog_bindings_; | |
| 163 | |
| 164 scoped_ptr<ApplicationCatalogStore> catalog_store_; | |
| 165 std::map<std::string, ApplicationInfo> catalog_; | |
| 166 | |
| 167 // Used when an app handles multiple names. Maps from app (as name) to name of | |
| 168 // app that is responsible for handling it. The value is a pair of the name of | |
| 169 // the handler along with a qualifier. | |
| 170 MojoNameAliasMap mojo_name_aliases_; | |
| 171 | |
| 172 std::map<std::string, std::string> qualifiers_; | |
| 173 | |
| 174 base::WeakPtrFactory<PackageManager> weak_factory_; | |
| 175 | |
| 176 DISALLOW_COPY_AND_ASSIGN(PackageManager); | |
| 177 }; | |
| 178 | |
| 179 } // namespace package_manager | |
| 180 | |
| 181 #endif // MOJO_SERVICES_PACKAGE_MANAGER_PACKAGE_MANAGER_H_ | |
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