10f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles)// Copyright 2013 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 50f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles)#include "extensions/common/extension_api.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <algorithm> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <vector> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/json/json_reader.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/json/json_writer.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/lazy_instance.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/strings/string_number_conversions.h" 162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/strings/string_split.h" 17868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/string_util.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/values.h" 19f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#include "extensions/common/extension.h" 20a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "extensions/common/extensions_client.h" 213551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#include "extensions/common/features/feature.h" 22ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch#include "extensions/common/features/feature_provider.h" 23116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#include "extensions/common/features/simple_feature.h" 241e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#include "extensions/common/permissions/permission_set.h" 25f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#include "extensions/common/permissions/permissions_data.h" 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/resource/resource_bundle.h" 277dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "url/gurl.h" 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace extensions { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char* kChildKinds[] = { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "functions", 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "events" 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)base::StringPiece ReadFromResource(int resource_id) { 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ResourceBundle::GetSharedInstance().GetRawDataResource( 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) resource_id); 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 437d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)scoped_ptr<base::ListValue> LoadSchemaList(const std::string& name, 447d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const base::StringPiece& schema) { 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string error_message; 467d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) scoped_ptr<base::Value> result( 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::JSONReader::ReadAndReturnError( 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) schema, 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::JSON_PARSE_RFC | base::JSON_DETACHABLE_CHILDREN, // options 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NULL, // error code 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &error_message)); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Tracking down http://crbug.com/121424 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) char buf[128]; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::snprintf(buf, arraysize(buf), "%s: (%d) '%s'", 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) name.c_str(), 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) result.get() ? result->GetType() : -1, 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) error_message.c_str()); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(result.get()) << error_message << " for schema " << schema; 617d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) CHECK(result->IsType(base::Value::TYPE_LIST)) << " for schema " << schema; 627d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return scoped_ptr<base::ListValue>(static_cast<base::ListValue*>( 637d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) result.release())); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 667d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)const base::DictionaryValue* FindListItem(const base::ListValue* list, 677d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const std::string& property_name, 687d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const std::string& property_value) { 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < list->GetSize(); ++i) { 707d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const base::DictionaryValue* item = NULL; 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(list->GetDictionary(i, &item)) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << property_value << "/" << property_name; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string value; 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (item->GetString(property_name, &value) && value == property_value) 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return item; 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 817d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)const base::DictionaryValue* GetSchemaChild( 827d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const base::DictionaryValue* schema_node, 837d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const std::string& child_name) { 847d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const base::DictionaryValue* child_node = NULL; 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < arraysize(kChildKinds); ++i) { 867d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const base::ListValue* list_node = NULL; 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!schema_node->GetList(kChildKinds[i], &list_node)) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) child_node = FindListItem(list_node, "name", child_name); 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (child_node) 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return child_node; 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct Static { 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Static() 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : api(ExtensionAPI::CreateWithDefaultConfiguration()) { 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<ExtensionAPI> api; 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)base::LazyInstance<Static> g_lazy_instance = LAZY_INSTANCE_INITIALIZER; 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 106116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// May override |g_lazy_instance| for a test. 107116680a4aac90f2aa7413d9095a592090648e557Ben MurdochExtensionAPI* g_shared_instance_for_test = NULL; 108116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// If it exists and does not already specify a namespace, then the value stored 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// with key |key| in |schema| will be updated to |schema_namespace| + "." + 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// |schema[key]|. 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MaybePrefixFieldWithNamespace(const std::string& schema_namespace, 1137d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) base::DictionaryValue* schema, 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& key) { 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!schema->HasKey(key)) 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string old_id; 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(schema->GetString(key, &old_id)); 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (old_id.find(".") == std::string::npos) 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) schema->SetString(key, schema_namespace + "." + old_id); 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Modify all "$ref" keys anywhere in |schema| to be prefxied by 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// |schema_namespace| if they do not already specify a namespace. 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void PrefixRefsWithNamespace(const std::string& schema_namespace, 1277d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) base::Value* value) { 1287d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) base::ListValue* list = NULL; 1297d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) base::DictionaryValue* dict = NULL; 1302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (value->GetAsList(&list)) { 1317d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) for (base::ListValue::iterator i = list->begin(); i != list->end(); ++i) { 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PrefixRefsWithNamespace(schema_namespace, *i); 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else if (value->GetAsDictionary(&dict)) { 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MaybePrefixFieldWithNamespace(schema_namespace, dict, "$ref"); 1367d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) for (base::DictionaryValue::Iterator i(*dict); !i.IsAtEnd(); i.Advance()) { 1377d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) base::Value* value = NULL; 1382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CHECK(dict->GetWithoutPathExpansion(i.key(), &value)); 1392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) PrefixRefsWithNamespace(schema_namespace, value); 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Modify all objects in the "types" section of the schema to be prefixed by 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// |schema_namespace| if they do not already specify a namespace. 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void PrefixTypesWithNamespace(const std::string& schema_namespace, 1477d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) base::DictionaryValue* schema) { 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!schema->HasKey("types")) 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Add the namespace to all of the types defined in this schema 1527d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) base::ListValue *types = NULL; 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(schema->GetList("types", &types)); 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < types->GetSize(); ++i) { 1557d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) base::DictionaryValue *type = NULL; 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(types->GetDictionary(i, &type)); 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MaybePrefixFieldWithNamespace(schema_namespace, type, "id"); 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MaybePrefixFieldWithNamespace(schema_namespace, type, "customBindings"); 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Modify the schema so that all types are fully qualified. 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void PrefixWithNamespace(const std::string& schema_namespace, 1647d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) base::DictionaryValue* schema) { 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PrefixTypesWithNamespace(schema_namespace, schema); 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PrefixRefsWithNamespace(schema_namespace, schema); 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ExtensionAPI* ExtensionAPI::GetSharedInstance() { 173116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return g_shared_instance_for_test ? g_shared_instance_for_test 174116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch : g_lazy_instance.Get().api.get(); 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ExtensionAPI* ExtensionAPI::CreateWithDefaultConfiguration() { 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ExtensionAPI* api = new ExtensionAPI(); 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) api->InitDefaultConfiguration(); 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return api; 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ExtensionAPI::SplitDependencyName(const std::string& full_name, 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* feature_type, 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* feature_name) { 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t colon_index = full_name.find(':'); 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (colon_index == std::string::npos) { 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(aa): Remove this code when all API descriptions have been updated. 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *feature_type = "api"; 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *feature_name = full_name; 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *feature_type = full_name.substr(0, colon_index); 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *feature_name = full_name.substr(colon_index + 1); 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 200116680a4aac90f2aa7413d9095a592090648e557Ben MurdochExtensionAPI::OverrideSharedInstanceForTest::OverrideSharedInstanceForTest( 201116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch ExtensionAPI* testing_api) 202116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch : original_api_(g_shared_instance_for_test) { 203116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch g_shared_instance_for_test = testing_api; 204116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch} 205116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 206116680a4aac90f2aa7413d9095a592090648e557Ben MurdochExtensionAPI::OverrideSharedInstanceForTest::~OverrideSharedInstanceForTest() { 207116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch g_shared_instance_for_test = original_api_; 208116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch} 209116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ExtensionAPI::LoadSchema(const std::string& name, 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const base::StringPiece& schema) { 2127d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) scoped_ptr<base::ListValue> schema_list(LoadSchemaList(name, schema)); 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string schema_namespace; 214a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) extensions::ExtensionsClient* extensions_client = 215a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) extensions::ExtensionsClient::Get(); 216a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) DCHECK(extensions_client); 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (!schema_list->empty()) { 2187d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) base::DictionaryValue* schema = NULL; 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 2203240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch scoped_ptr<base::Value> value; 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) schema_list->Remove(schema_list->GetSize() - 1, &value); 2223240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch CHECK(value.release()->GetAsDictionary(&schema)); 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(schema->GetString("namespace", &schema_namespace)); 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PrefixWithNamespace(schema_namespace, schema); 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) schemas_[schema_namespace] = make_linked_ptr(schema); 228a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!extensions_client->IsAPISchemaGenerated(schema_namespace)) 2297d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) CHECK_EQ(1u, unloaded_schemas_.erase(schema_namespace)); 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2337d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)ExtensionAPI::ExtensionAPI() : default_configuration_initialized_(false) { 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ExtensionAPI::~ExtensionAPI() { 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ExtensionAPI::InitDefaultConfiguration() { 2404e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) const char* names[] = {"api", "manifest", "permission"}; 2414e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) for (size_t i = 0; i < arraysize(names); ++i) 2424e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) RegisterDependencyProvider(names[i], FeatureProvider::GetByName(names[i])); 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 244cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ExtensionsClient::Get()->RegisterAPISchemaResources(this); 245f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 2467d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) default_configuration_initialized_ = true; 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2497d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)void ExtensionAPI::RegisterSchemaResource(const std::string& name, 2507d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) int resource_id) { 2517d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) unloaded_schemas_[name] = resource_id; 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ExtensionAPI::RegisterDependencyProvider(const std::string& name, 255cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const FeatureProvider* provider) { 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) dependency_providers_[name] = provider; 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)bool ExtensionAPI::IsAnyFeatureAvailableToContext(const Feature& api, 2603551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) const Extension* extension, 261b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) Feature::Context context, 262b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) const GURL& url) { 263b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) FeatureProviderMap::iterator provider = dependency_providers_.find("api"); 264b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) CHECK(provider != dependency_providers_.end()); 265116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 266116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (api.IsAvailableToContext(extension, context, url).is_available()) 2675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return true; 268b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 269b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) // Check to see if there are any parts of this API that are allowed in this 270b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) // context. 2715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const std::vector<Feature*> features = provider->second->GetChildren(api); 272116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch for (std::vector<Feature*>::const_iterator it = features.begin(); 273116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch it != features.end(); 274116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch ++it) { 275116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if ((*it)->IsAvailableToContext(extension, context, url).is_available()) 2765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return true; 277b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) } 2785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return false; 279b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)} 280b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 2812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)Feature::Availability ExtensionAPI::IsAvailable(const std::string& full_name, 2822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const Extension* extension, 2832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Feature::Context context, 2842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const GURL& url) { 285c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) Feature* feature = GetFeatureDependency(full_name); 28646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (!feature) { 28746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) return Feature::CreateAvailability(Feature::NOT_PRESENT, 28846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) std::string("Unknown feature: ") + full_name); 28946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) } 290116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return feature->IsAvailableToContext(extension, context, url); 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 293116680a4aac90f2aa7413d9095a592090648e557Ben Murdochbool ExtensionAPI::IsAvailableInUntrustedContext(const std::string& name, 294116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch const Extension* extension) { 295116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return IsAvailable(name, extension, Feature::CONTENT_SCRIPT_CONTEXT, GURL()) 296116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch .is_available() || 297116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch IsAvailable( 298116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch name, extension, Feature::UNBLESSED_EXTENSION_CONTEXT, GURL()) 299116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch .is_available() || 300116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch IsAvailable(name, extension, Feature::BLESSED_WEB_PAGE_CONTEXT, GURL()) 301116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch .is_available() || 302116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch IsAvailable(name, extension, Feature::WEB_PAGE_CONTEXT, GURL()) 303116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch .is_available(); 3045f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)} 3055f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 3065f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)bool ExtensionAPI::IsAvailableToWebUI(const std::string& name, 3075f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) const GURL& url) { 3085f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return IsAvailable(name, NULL, Feature::WEBUI_CONTEXT, url).is_available(); 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3117d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)const base::DictionaryValue* ExtensionAPI::GetSchema( 3127d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const std::string& full_name) { 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string child_name; 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string api_name = GetAPINameFromFullName(full_name, &child_name); 3155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3167d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const base::DictionaryValue* result = NULL; 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SchemaMap::iterator maybe_schema = schemas_.find(api_name); 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (maybe_schema != schemas_.end()) { 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) result = maybe_schema->second.get(); 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Might not have loaded yet; or might just not exist. 322a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) UnloadedSchemaMap::iterator maybe_schema_resource = 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unloaded_schemas_.find(api_name); 324a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) extensions::ExtensionsClient* extensions_client = 325a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) extensions::ExtensionsClient::Get(); 326a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) DCHECK(extensions_client); 3277d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (maybe_schema_resource != unloaded_schemas_.end()) { 3287d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) LoadSchema(maybe_schema_resource->first, 3297d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) ReadFromResource(maybe_schema_resource->second)); 3307d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } else if (default_configuration_initialized_ && 331a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) extensions_client->IsAPISchemaGenerated(api_name)) { 332a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) LoadSchema(api_name, extensions_client->GetAPISchema(api_name)); 3337d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } else { 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 3357d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) maybe_schema = schemas_.find(api_name); 3385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(schemas_.end() != maybe_schema); 3395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) result = maybe_schema->second.get(); 3405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!child_name.empty()) 3435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) result = GetSchemaChild(result, child_name); 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Feature* ExtensionAPI::GetFeatureDependency(const std::string& full_name) { 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string feature_type; 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string feature_name; 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SplitDependencyName(full_name, &feature_type, &feature_name); 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FeatureProviderMap::iterator provider = 3545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) dependency_providers_.find(feature_type); 355c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (provider == dependency_providers_.end()) 356c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return NULL; 3575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Feature* feature = provider->second->GetFeature(feature_name); 359c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Try getting the feature for the parent API, if this was a child. 360c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!feature) { 361c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) std::string child_name; 362c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) feature = provider->second->GetFeature( 363c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) GetAPINameFromFullName(feature_name, &child_name)); 364c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return feature; 3665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::string ExtensionAPI::GetAPINameFromFullName(const std::string& full_name, 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* child_name) { 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string api_name_candidate = full_name; 371a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) extensions::ExtensionsClient* extensions_client = 372a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) extensions::ExtensionsClient::Get(); 373a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) DCHECK(extensions_client); 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (true) { 375c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (schemas_.find(api_name_candidate) != schemas_.end() || 376a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) extensions_client->IsAPISchemaGenerated(api_name_candidate) || 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unloaded_schemas_.find(api_name_candidate) != unloaded_schemas_.end()) { 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string result = api_name_candidate; 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (child_name) { 3815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (result.length() < full_name.length()) 3825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *child_name = full_name.substr(result.length() + 1); 3835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 3845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *child_name = ""; 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 3885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t last_dot_index = api_name_candidate.rfind('.'); 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (last_dot_index == std::string::npos) 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) api_name_candidate = api_name_candidate.substr(0, last_dot_index); 3955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *child_name = ""; 398c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return std::string(); 3995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace extensions 402