mirror of https://gitee.com/bigwinds/arangodb
376 lines
13 KiB
C++
376 lines
13 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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////////////////////////////////////////////////////////////////////////////////
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#include "v8-vocindex.h"
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#include "Basics/ReadLocker.h"
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#include "Basics/StringUtils.h"
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#include "Basics/VelocyPackHelper.h"
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#include "Basics/conversions.h"
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#include "Basics/tri-strings.h"
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#include "Cluster/ClusterFeature.h"
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#include "Cluster/ClusterInfo.h"
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#include "Cluster/ClusterMethods.h"
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#include "GeneralServer/AuthenticationFeature.h"
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#include "Indexes/Index.h"
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#include "Indexes/IndexFactory.h"
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#include "RestServer/FeatureCacheFeature.h"
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#include "StorageEngine/EngineSelectorFeature.h"
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#include "StorageEngine/StorageEngine.h"
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#include "Transaction/Helpers.h"
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#include "Transaction/Hints.h"
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#include "Transaction/V8Context.h"
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#include "Utils/Events.h"
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#include "Utils/SingleCollectionTransaction.h"
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#include "V8/v8-conv.h"
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#include "V8/v8-globals.h"
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#include "V8/v8-utils.h"
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#include "V8/v8-vpack.h"
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#include "V8Server/v8-collection.h"
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#include "V8Server/v8-externals.h"
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#include "V8Server/v8-vocbase.h"
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#include "V8Server/v8-vocbaseprivate.h"
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#include "VocBase/Methods/Indexes.h"
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#include "VocBase/LogicalCollection.h"
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#include "VocBase/modes.h"
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#include <velocypack/Builder.h>
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#include <velocypack/Iterator.h>
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#include <velocypack/velocypack-aliases.h>
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using namespace arangodb;
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using namespace arangodb::basics;
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using namespace arangodb::rest;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief ensures an index
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////////////////////////////////////////////////////////////////////////////////
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static void EnsureIndex(v8::FunctionCallbackInfo<v8::Value> const& args,
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bool create, char const* functionName) {
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v8::Isolate* isolate = args.GetIsolate();
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v8::HandleScope scope(isolate);
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arangodb::LogicalCollection* collection =
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TRI_UnwrapClass<arangodb::LogicalCollection>(args.Holder(),
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WRP_VOCBASE_COL_TYPE);
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if (collection == nullptr) {
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TRI_V8_THROW_EXCEPTION_INTERNAL("cannot extract collection");
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}
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if (args.Length() != 1 || !args[0]->IsObject()) {
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std::string name(functionName);
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name.append("(<description>)");
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TRI_V8_THROW_EXCEPTION_USAGE(name.c_str());
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}
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VPackBuilder builder;
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TRI_V8ToVPackSimple(isolate, builder, args[0]);
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VPackBuilder output;
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Result res = methods::Indexes::ensureIndex(collection, builder.slice(), create, output);
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if (!res.ok()) {
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TRI_V8_THROW_EXCEPTION_MESSAGE(res.errorNumber(), res.errorMessage());
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}
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v8::Handle<v8::Value> result = TRI_VPackToV8(isolate, output.slice());
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TRI_V8_RETURN(result);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief was docuBlock collectionEnsureIndex
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////////////////////////////////////////////////////////////////////////////////
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static void JS_EnsureIndexVocbaseCol(
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v8::FunctionCallbackInfo<v8::Value> const& args) {
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TRI_V8_TRY_CATCH_BEGIN(isolate);
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v8::HandleScope scope(isolate);
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PREVENT_EMBEDDED_TRANSACTION();
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EnsureIndex(args, true, "ensureIndex");
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TRI_V8_TRY_CATCH_END
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief looks up an index
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////////////////////////////////////////////////////////////////////////////////
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static void JS_LookupIndexVocbaseCol(
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v8::FunctionCallbackInfo<v8::Value> const& args) {
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TRI_V8_TRY_CATCH_BEGIN(isolate);
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v8::HandleScope scope(isolate);
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EnsureIndex(args, false, "lookupIndex");
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TRI_V8_TRY_CATCH_END
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief was docuBlock col_dropIndex
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////////////////////////////////////////////////////////////////////////////////
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static void JS_DropIndexVocbaseCol(
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v8::FunctionCallbackInfo<v8::Value> const& args) {
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TRI_V8_TRY_CATCH_BEGIN(isolate);
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v8::HandleScope scope(isolate);
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PREVENT_EMBEDDED_TRANSACTION();
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arangodb::LogicalCollection* collection =
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TRI_UnwrapClass<arangodb::LogicalCollection>(args.Holder(),
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WRP_VOCBASE_COL_TYPE);
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if (collection == nullptr) {
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TRI_V8_THROW_EXCEPTION_INTERNAL("cannot extract collection");
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}
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if (args.Length() != 1) {
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TRI_V8_THROW_EXCEPTION_USAGE("dropIndex(<index-handle>)");
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}
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VPackBuilder builder;
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TRI_V8ToVPackSimple(isolate, builder, args[0]);
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Result res = methods::Indexes::drop(collection, builder.slice());
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if (res.ok()) {
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TRI_V8_RETURN_TRUE();
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}
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TRI_V8_RETURN_FALSE();
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TRI_V8_TRY_CATCH_END
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief was docuBlock collectionGetIndexes
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////////////////////////////////////////////////////////////////////////////////
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static void JS_GetIndexesVocbaseCol(
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v8::FunctionCallbackInfo<v8::Value> const& args) {
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TRI_V8_TRY_CATCH_BEGIN(isolate);
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v8::HandleScope scope(isolate);
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arangodb::LogicalCollection* collection =
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TRI_UnwrapClass<arangodb::LogicalCollection>(args.Holder(),
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WRP_VOCBASE_COL_TYPE);
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if (collection == nullptr) {
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TRI_V8_THROW_EXCEPTION_INTERNAL("cannot extract collection");
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}
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bool withFigures = false;
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if (args.Length() > 0) {
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withFigures = TRI_ObjectToBoolean(args[0]);
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}
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VPackBuilder output;
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Result res = methods::Indexes::getAll(collection, withFigures, output);
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if (!res.ok()) {
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TRI_V8_THROW_EXCEPTION_MESSAGE(res.errorNumber(), res.errorMessage());
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}
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v8::Handle<v8::Value> result = TRI_VPackToV8(isolate, output.slice());
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TRI_V8_RETURN(result);
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TRI_V8_TRY_CATCH_END
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief create a collection
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////////////////////////////////////////////////////////////////////////////////
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static void CreateVocBase(v8::FunctionCallbackInfo<v8::Value> const& args,
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TRI_col_type_e collectionType) {
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v8::Isolate* isolate = args.GetIsolate();
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v8::HandleScope scope(isolate);
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TRI_vocbase_t* vocbase = GetContextVocBase(isolate);
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if (vocbase == nullptr) {
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TRI_V8_THROW_EXCEPTION(TRI_ERROR_ARANGO_DATABASE_NOT_FOUND);
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}
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if (args.Length() < 1 || args.Length() > 4) {
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TRI_V8_THROW_EXCEPTION_USAGE("_create(<name>, <properties>, <type>, <options>)");
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}
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if (TRI_GetOperationModeServer() == TRI_VOCBASE_MODE_NO_CREATE) {
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TRI_V8_THROW_EXCEPTION(TRI_ERROR_ARANGO_READ_ONLY);
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}
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AuthenticationFeature* auth = FeatureCacheFeature::instance()->authenticationFeature();
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if (auth->isActive() && ExecContext::CURRENT != nullptr) {
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AuthLevel level = auth->canUseDatabase(ExecContext::CURRENT->user(),
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vocbase->name());
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if (level != AuthLevel::RW) {
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TRI_V8_THROW_EXCEPTION(TRI_ERROR_FORBIDDEN);
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}
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}
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// optional, third parameter can override collection type
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if (args.Length() >= 3 && args[2]->IsString()) {
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std::string typeString = TRI_ObjectToString(args[2]);
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if (typeString == "edge") {
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collectionType = TRI_COL_TYPE_EDGE;
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} else if (typeString == "document") {
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collectionType = TRI_COL_TYPE_DOCUMENT;
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}
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}
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PREVENT_EMBEDDED_TRANSACTION();
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// extract the name
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std::string const name = TRI_ObjectToString(args[0]);
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VPackBuilder builder;
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VPackSlice infoSlice;
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if (2 <= args.Length()) {
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if (!args[1]->IsObject()) {
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TRI_V8_THROW_TYPE_ERROR("<properties> must be an object");
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}
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v8::Handle<v8::Object> obj = args[1]->ToObject();
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// Add the type and name into the object. Easier in v8 than in VPack
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obj->Set(TRI_V8_ASCII_STRING("type"),
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v8::Number::New(isolate, static_cast<int>(collectionType)));
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obj->Set(TRI_V8_ASCII_STRING("name"), TRI_V8_STD_STRING(name));
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int res = TRI_V8ToVPack(isolate, builder, obj, false);
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if (res != TRI_ERROR_NO_ERROR) {
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TRI_V8_THROW_EXCEPTION(res);
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}
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} else {
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// create an empty properties object
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builder.openObject();
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builder.add("type", VPackValue(static_cast<int>(collectionType)));
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builder.add("name", VPackValue(name));
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builder.close();
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}
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infoSlice = builder.slice();
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v8::Handle<v8::Value> result;
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if (ServerState::instance()->isCoordinator()) {
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bool createWaitsForSyncReplication = application_features::ApplicationServer::getFeature<ClusterFeature>("Cluster")->createWaitsForSyncReplication();
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if (args.Length() >= 3 && args[args.Length()-1]->IsObject()) {
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v8::Handle<v8::Object> obj = args[args.Length()-1]->ToObject();
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auto v8WaitForSyncReplication = obj->Get(TRI_V8_ASCII_STRING("waitForSyncReplication"));
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if (!v8WaitForSyncReplication->IsUndefined()) {
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createWaitsForSyncReplication = TRI_ObjectToBoolean(v8WaitForSyncReplication);
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}
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}
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std::unique_ptr<LogicalCollection> col =
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ClusterMethods::createCollectionOnCoordinator(
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collectionType, vocbase, infoSlice, false,
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createWaitsForSyncReplication);
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result = WrapCollection(isolate, col.release());
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} else {
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try {
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arangodb::LogicalCollection const* collection =
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vocbase->createCollection(infoSlice);
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TRI_ASSERT(collection != nullptr);
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result = WrapCollection(isolate, collection);
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} catch (basics::Exception const& ex) {
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TRI_V8_THROW_EXCEPTION_MESSAGE(ex.code(), ex.what());
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} catch (std::exception const& ex) {
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TRI_V8_THROW_EXCEPTION_MESSAGE(TRI_ERROR_INTERNAL, ex.what());
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} catch (...) {
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TRI_V8_THROW_EXCEPTION_MESSAGE(TRI_ERROR_INTERNAL,
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"cannot create collection");
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}
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}
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if (result.IsEmpty()) {
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TRI_V8_THROW_EXCEPTION_MEMORY();
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}
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// in case of success we grant the creating user RW access
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if (auth->isActive() && ExecContext::CURRENT != nullptr &&
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(ServerState::instance()->isCoordinator() ||
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!ServerState::instance()->isRunningInCluster())) {
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// this should not fail, we can not get here without database RW access
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auth->authInfo()->updateUser(ExecContext::CURRENT->user(),
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[&](AuthUserEntry& entry) {
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entry.grantCollection(vocbase->name(), name, AuthLevel::RW);
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});
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}
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TRI_V8_RETURN(result);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief was docuBlock collectionDatabaseCreate
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////////////////////////////////////////////////////////////////////////////////
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static void JS_CreateVocbase(v8::FunctionCallbackInfo<v8::Value> const& args) {
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TRI_V8_TRY_CATCH_BEGIN(isolate);
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CreateVocBase(args, TRI_COL_TYPE_DOCUMENT);
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TRI_V8_TRY_CATCH_END
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief was docuBlock collectionCreateDocumentCollection
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////////////////////////////////////////////////////////////////////////////////
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static void JS_CreateDocumentCollectionVocbase(
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v8::FunctionCallbackInfo<v8::Value> const& args) {
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TRI_V8_TRY_CATCH_BEGIN(isolate);
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CreateVocBase(args, TRI_COL_TYPE_DOCUMENT);
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TRI_V8_TRY_CATCH_END
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief was docuBlock collectionCreateEdgeCollection
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////////////////////////////////////////////////////////////////////////////////
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static void JS_CreateEdgeCollectionVocbase(
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v8::FunctionCallbackInfo<v8::Value> const& args) {
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TRI_V8_TRY_CATCH_BEGIN(isolate);
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CreateVocBase(args, TRI_COL_TYPE_EDGE);
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TRI_V8_TRY_CATCH_END
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}
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void TRI_InitV8IndexArangoDB(v8::Isolate* isolate,
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v8::Handle<v8::ObjectTemplate> rt) {
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TRI_AddMethodVocbase(isolate, rt, TRI_V8_ASCII_STRING("_create"),
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JS_CreateVocbase, true);
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TRI_AddMethodVocbase(isolate, rt,
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TRI_V8_ASCII_STRING("_createEdgeCollection"),
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JS_CreateEdgeCollectionVocbase);
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TRI_AddMethodVocbase(isolate, rt,
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TRI_V8_ASCII_STRING("_createDocumentCollection"),
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JS_CreateDocumentCollectionVocbase);
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}
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void TRI_InitV8IndexCollection(v8::Isolate* isolate,
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v8::Handle<v8::ObjectTemplate> rt) {
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TRI_AddMethodVocbase(isolate, rt, TRI_V8_ASCII_STRING("dropIndex"),
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JS_DropIndexVocbaseCol);
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TRI_AddMethodVocbase(isolate, rt, TRI_V8_ASCII_STRING("ensureIndex"),
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JS_EnsureIndexVocbaseCol);
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TRI_AddMethodVocbase(isolate, rt, TRI_V8_ASCII_STRING("lookupIndex"),
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JS_LookupIndexVocbaseCol);
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TRI_AddMethodVocbase(isolate, rt, TRI_V8_ASCII_STRING("getIndexes"),
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JS_GetIndexesVocbaseCol, true);
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}
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