1 | "use strict";
|
2 | Object.defineProperty(exports, "__esModule", { value: true });
|
3 | const common_1 = require("@nestjs/common");
|
4 | const constants_1 = require("@nestjs/common/constants");
|
5 | const shared_utils_1 = require("@nestjs/common/utils/shared.utils");
|
6 | const external_exception_filter_context_1 = require("../exceptions/external-exception-filter-context");
|
7 | const constants_2 = require("../guards/constants");
|
8 | const guards_consumer_1 = require("../guards/guards-consumer");
|
9 | const guards_context_creator_1 = require("../guards/guards-context-creator");
|
10 | const constants_3 = require("../injector/constants");
|
11 | const interceptors_consumer_1 = require("../interceptors/interceptors-consumer");
|
12 | const interceptors_context_creator_1 = require("../interceptors/interceptors-context-creator");
|
13 | const pipes_consumer_1 = require("../pipes/pipes-consumer");
|
14 | const pipes_context_creator_1 = require("../pipes/pipes-context-creator");
|
15 | const context_utils_1 = require("./context-utils");
|
16 | const external_proxy_1 = require("./external-proxy");
|
17 | const handler_metadata_storage_1 = require("./handler-metadata-storage");
|
18 | class ExternalContextCreator {
|
19 | constructor(guardsContextCreator, guardsConsumer, interceptorsContextCreator, interceptorsConsumer, modulesContainer, pipesContextCreator, pipesConsumer, filtersContextCreator) {
|
20 | this.guardsContextCreator = guardsContextCreator;
|
21 | this.guardsConsumer = guardsConsumer;
|
22 | this.interceptorsContextCreator = interceptorsContextCreator;
|
23 | this.interceptorsConsumer = interceptorsConsumer;
|
24 | this.modulesContainer = modulesContainer;
|
25 | this.pipesContextCreator = pipesContextCreator;
|
26 | this.pipesConsumer = pipesConsumer;
|
27 | this.filtersContextCreator = filtersContextCreator;
|
28 | this.contextUtils = new context_utils_1.ContextUtils();
|
29 | this.externalErrorProxy = new external_proxy_1.ExternalErrorProxy();
|
30 | this.handlerMetadataStorage = new handler_metadata_storage_1.HandlerMetadataStorage();
|
31 | }
|
32 | static fromContainer(container) {
|
33 | const guardsContextCreator = new guards_context_creator_1.GuardsContextCreator(container, container.applicationConfig);
|
34 | const guardsConsumer = new guards_consumer_1.GuardsConsumer();
|
35 | const interceptorsContextCreator = new interceptors_context_creator_1.InterceptorsContextCreator(container, container.applicationConfig);
|
36 | const interceptorsConsumer = new interceptors_consumer_1.InterceptorsConsumer();
|
37 | const pipesContextCreator = new pipes_context_creator_1.PipesContextCreator(container, container.applicationConfig);
|
38 | const pipesConsumer = new pipes_consumer_1.PipesConsumer();
|
39 | const filtersContextCreator = new external_exception_filter_context_1.ExternalExceptionFilterContext(container, container.applicationConfig);
|
40 | const externalContextCreator = new ExternalContextCreator(guardsContextCreator, guardsConsumer, interceptorsContextCreator, interceptorsConsumer, container.getModules(), pipesContextCreator, pipesConsumer, filtersContextCreator);
|
41 | externalContextCreator.container = container;
|
42 | return externalContextCreator;
|
43 | }
|
44 | create(instance, callback, methodName, metadataKey, paramsFactory, contextId = constants_3.STATIC_CONTEXT, inquirerId, options = {
|
45 | interceptors: true,
|
46 | guards: true,
|
47 | filters: true,
|
48 | }, contextType = 'http') {
|
49 | const module = this.getContextModuleName(instance.constructor);
|
50 | const { argsLength, paramtypes, getParamsMetadata } = this.getMetadata(instance, methodName, metadataKey, paramsFactory);
|
51 | const pipes = this.pipesContextCreator.create(instance, callback, module, contextId, inquirerId);
|
52 | const guards = this.guardsContextCreator.create(instance, callback, module, contextId, inquirerId);
|
53 | const exceptionFilter = this.filtersContextCreator.create(instance, callback, module, contextId, inquirerId);
|
54 | const interceptors = options.interceptors
|
55 | ? this.interceptorsContextCreator.create(instance, callback, module, contextId, inquirerId)
|
56 | : [];
|
57 | const paramsMetadata = getParamsMetadata(module, contextId, inquirerId);
|
58 | const paramsOptions = paramsMetadata
|
59 | ? this.contextUtils.mergeParamsMetatypes(paramsMetadata, paramtypes)
|
60 | : [];
|
61 | const fnCanActivate = options.guards
|
62 | ? this.createGuardsFn(guards, instance, callback, contextType)
|
63 | : null;
|
64 | const fnApplyPipes = this.createPipesFn(pipes, paramsOptions);
|
65 | const handler = (initialArgs, ...args) => async () => {
|
66 | if (fnApplyPipes) {
|
67 | await fnApplyPipes(initialArgs, ...args);
|
68 | return callback.apply(instance, initialArgs);
|
69 | }
|
70 | return callback.apply(instance, args);
|
71 | };
|
72 | const target = async (...args) => {
|
73 | const initialArgs = this.contextUtils.createNullArray(argsLength);
|
74 | fnCanActivate && (await fnCanActivate(args));
|
75 | const result = await this.interceptorsConsumer.intercept(interceptors, args, instance, callback, handler(initialArgs, ...args), contextType);
|
76 | return this.transformToResult(result);
|
77 | };
|
78 | return options.filters
|
79 | ? this.externalErrorProxy.createProxy(target, exceptionFilter)
|
80 | : target;
|
81 | }
|
82 | getMetadata(instance, methodName, metadataKey, paramsFactory) {
|
83 | const cacheMetadata = this.handlerMetadataStorage.get(instance, methodName);
|
84 | if (cacheMetadata) {
|
85 | return cacheMetadata;
|
86 | }
|
87 | const metadata = this.contextUtils.reflectCallbackMetadata(instance, methodName, metadataKey || '') || {};
|
88 | const keys = Object.keys(metadata);
|
89 | const argsLength = this.contextUtils.getArgumentsLength(keys, metadata);
|
90 | const paramtypes = this.contextUtils.reflectCallbackParamtypes(instance, methodName);
|
91 | const getParamsMetadata = (moduleKey, contextId = constants_3.STATIC_CONTEXT, inquirerId) => paramsFactory
|
92 | ? this.exchangeKeysForValues(keys, metadata, moduleKey, paramsFactory, contextId, inquirerId)
|
93 | : null;
|
94 | const handlerMetadata = {
|
95 | argsLength,
|
96 | paramtypes,
|
97 | getParamsMetadata,
|
98 | };
|
99 | this.handlerMetadataStorage.set(instance, methodName, handlerMetadata);
|
100 | return handlerMetadata;
|
101 | }
|
102 | getContextModuleName(constructor) {
|
103 | const defaultModuleName = '';
|
104 | const className = constructor.name;
|
105 | if (!className) {
|
106 | return defaultModuleName;
|
107 | }
|
108 | for (const [key, module] of [...this.modulesContainer.entries()]) {
|
109 | if (this.getProviderByClassName(module, className)) {
|
110 | return key;
|
111 | }
|
112 | }
|
113 | return defaultModuleName;
|
114 | }
|
115 | getProviderByClassName(module, className) {
|
116 | const { providers } = module;
|
117 | const hasProvider = [...providers.keys()].some(provider => provider === className);
|
118 | return hasProvider;
|
119 | }
|
120 | exchangeKeysForValues(keys, metadata, moduleContext, paramsFactory, contextId = constants_3.STATIC_CONTEXT, inquirerId) {
|
121 | this.pipesContextCreator.setModuleContext(moduleContext);
|
122 | return keys.map(key => {
|
123 | const { index, data, pipes: pipesCollection } = metadata[key];
|
124 | const pipes = this.pipesContextCreator.createConcreteContext(pipesCollection, contextId, inquirerId);
|
125 | const type = this.contextUtils.mapParamType(key);
|
126 | if (key.includes(constants_1.CUSTOM_ROUTE_AGRS_METADATA)) {
|
127 | const { factory } = metadata[key];
|
128 | const customExtractValue = this.contextUtils.getCustomFactory(factory, data);
|
129 | return { index, extractValue: customExtractValue, type, data, pipes };
|
130 | }
|
131 | const numericType = Number(type);
|
132 | const extractValue = (...args) => paramsFactory.exchangeKeyForValue(numericType, data, args);
|
133 | return { index, extractValue, type: numericType, data, pipes };
|
134 | });
|
135 | }
|
136 | createPipesFn(pipes, paramsOptions) {
|
137 | const pipesFn = async (args, ...params) => {
|
138 | const resolveParamValue = async (param) => {
|
139 | const { index, extractValue, type, data, metatype, pipes: paramPipes, } = param;
|
140 | const value = extractValue(...params);
|
141 | args[index] = await this.getParamValue(value, { metatype, type, data }, pipes.concat(paramPipes));
|
142 | };
|
143 | await Promise.all(paramsOptions.map(resolveParamValue));
|
144 | };
|
145 | return paramsOptions.length ? pipesFn : null;
|
146 | }
|
147 | async getParamValue(value, { metatype, type, data }, pipes) {
|
148 | return shared_utils_1.isEmpty(pipes)
|
149 | ? value
|
150 | : this.pipesConsumer.apply(value, { metatype, type, data }, pipes);
|
151 | }
|
152 | async transformToResult(resultOrDeffered) {
|
153 | if (resultOrDeffered && shared_utils_1.isFunction(resultOrDeffered.subscribe)) {
|
154 | return resultOrDeffered.toPromise();
|
155 | }
|
156 | return resultOrDeffered;
|
157 | }
|
158 | createGuardsFn(guards, instance, callback, contextType) {
|
159 | const canActivateFn = async (args) => {
|
160 | const canActivate = await this.guardsConsumer.tryActivate(guards, args, instance, callback, contextType);
|
161 | if (!canActivate) {
|
162 | throw new common_1.ForbiddenException(constants_2.FORBIDDEN_MESSAGE);
|
163 | }
|
164 | };
|
165 | return guards.length ? canActivateFn : null;
|
166 | }
|
167 | registerRequestProvider(request, contextId) {
|
168 | this.container.registerRequestProvider(request, contextId);
|
169 | }
|
170 | }
|
171 | exports.ExternalContextCreator = ExternalContextCreator;
|