1 | /**
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2 | * @license
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3 | * Copyright Google LLC All Rights Reserved.
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4 | *
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5 | * Use of this source code is governed by an MIT-style license that can be
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6 | * found in the LICENSE file at https://angular.io/license
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7 | */
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8 | import { Injectable, Injector, NgModule } from '@angular/core';
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9 | import { HttpBackend, HttpHandler } from './backend';
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10 | import { HttpClient } from './client';
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11 | import { HTTP_INTERCEPTORS, HttpInterceptorHandler, NoopInterceptor } from './interceptor';
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12 | import { JsonpCallbackContext, JsonpClientBackend, JsonpInterceptor } from './jsonp';
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13 | import { HttpXhrBackend } from './xhr';
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14 | import { HttpXsrfCookieExtractor, HttpXsrfInterceptor, HttpXsrfTokenExtractor, XSRF_COOKIE_NAME, XSRF_HEADER_NAME } from './xsrf';
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15 | /**
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16 | * An injectable `HttpHandler` that applies multiple interceptors
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17 | * to a request before passing it to the given `HttpBackend`.
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18 | *
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19 | * The interceptors are loaded lazily from the injector, to allow
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20 | * interceptors to themselves inject classes depending indirectly
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21 | * on `HttpInterceptingHandler` itself.
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22 | * @see `HttpInterceptor`
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23 | */
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24 | export class HttpInterceptingHandler {
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25 | constructor(backend, injector) {
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26 | this.backend = backend;
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27 | this.injector = injector;
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28 | this.chain = null;
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29 | }
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30 | handle(req) {
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31 | if (this.chain === null) {
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32 | const interceptors = this.injector.get(HTTP_INTERCEPTORS, []);
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33 | this.chain = interceptors.reduceRight((next, interceptor) => new HttpInterceptorHandler(next, interceptor), this.backend);
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34 | }
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35 | return this.chain.handle(req);
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36 | }
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37 | }
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38 | HttpInterceptingHandler.decorators = [
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39 | { type: Injectable }
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40 | ];
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41 | HttpInterceptingHandler.ctorParameters = () => [
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42 | { type: HttpBackend },
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43 | { type: Injector }
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44 | ];
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45 | /**
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46 | * Constructs an `HttpHandler` that applies interceptors
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47 | * to a request before passing it to the given `HttpBackend`.
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48 | *
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49 | * Use as a factory function within `HttpClientModule`.
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50 | *
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51 | *
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52 | */
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53 | export function interceptingHandler(backend, interceptors = []) {
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54 | if (!interceptors) {
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55 | return backend;
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56 | }
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57 | return interceptors.reduceRight((next, interceptor) => new HttpInterceptorHandler(next, interceptor), backend);
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58 | }
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59 | /**
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60 | * Factory function that determines where to store JSONP callbacks.
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61 | *
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62 | * Ordinarily JSONP callbacks are stored on the `window` object, but this may not exist
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63 | * in test environments. In that case, callbacks are stored on an anonymous object instead.
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64 | *
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65 | *
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66 | */
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67 | export function jsonpCallbackContext() {
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68 | if (typeof window === 'object') {
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69 | return window;
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70 | }
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71 | return {};
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72 | }
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73 | /**
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74 | * Configures XSRF protection support for outgoing requests.
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75 | *
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76 | * For a server that supports a cookie-based XSRF protection system,
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77 | * use directly to configure XSRF protection with the correct
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78 | * cookie and header names.
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79 | *
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80 | * If no names are supplied, the default cookie name is `XSRF-TOKEN`
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81 | * and the default header name is `X-XSRF-TOKEN`.
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82 | *
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83 | * @publicApi
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84 | */
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85 | export class HttpClientXsrfModule {
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86 | /**
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87 | * Disable the default XSRF protection.
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88 | */
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89 | static disable() {
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90 | return {
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91 | ngModule: HttpClientXsrfModule,
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92 | providers: [
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93 | { provide: HttpXsrfInterceptor, useClass: NoopInterceptor },
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94 | ],
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95 | };
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96 | }
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97 | /**
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98 | * Configure XSRF protection.
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99 | * @param options An object that can specify either or both
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100 | * cookie name or header name.
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101 | * - Cookie name default is `XSRF-TOKEN`.
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102 | * - Header name default is `X-XSRF-TOKEN`.
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103 | *
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104 | */
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105 | static withOptions(options = {}) {
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106 | return {
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107 | ngModule: HttpClientXsrfModule,
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108 | providers: [
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109 | options.cookieName ? { provide: XSRF_COOKIE_NAME, useValue: options.cookieName } : [],
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110 | options.headerName ? { provide: XSRF_HEADER_NAME, useValue: options.headerName } : [],
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111 | ],
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112 | };
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113 | }
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114 | }
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115 | HttpClientXsrfModule.decorators = [
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116 | { type: NgModule, args: [{
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117 | providers: [
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118 | HttpXsrfInterceptor,
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119 | { provide: HTTP_INTERCEPTORS, useExisting: HttpXsrfInterceptor, multi: true },
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120 | { provide: HttpXsrfTokenExtractor, useClass: HttpXsrfCookieExtractor },
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121 | { provide: XSRF_COOKIE_NAME, useValue: 'XSRF-TOKEN' },
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122 | { provide: XSRF_HEADER_NAME, useValue: 'X-XSRF-TOKEN' },
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123 | ],
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124 | },] }
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125 | ];
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126 | /**
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127 | * Configures the [dependency injector](guide/glossary#injector) for `HttpClient`
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128 | * with supporting services for XSRF. Automatically imported by `HttpClientModule`.
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129 | *
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130 | * You can add interceptors to the chain behind `HttpClient` by binding them to the
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131 | * multiprovider for built-in [DI token](guide/glossary#di-token) `HTTP_INTERCEPTORS`.
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132 | *
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133 | * @publicApi
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134 | */
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135 | export class HttpClientModule {
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136 | }
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137 | HttpClientModule.decorators = [
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138 | { type: NgModule, args: [{
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139 | /**
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140 | * Optional configuration for XSRF protection.
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141 | */
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142 | imports: [
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143 | HttpClientXsrfModule.withOptions({
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144 | cookieName: 'XSRF-TOKEN',
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145 | headerName: 'X-XSRF-TOKEN',
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146 | }),
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147 | ],
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148 | /**
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149 | * Configures the [dependency injector](guide/glossary#injector) where it is imported
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150 | * with supporting services for HTTP communications.
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151 | */
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152 | providers: [
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153 | HttpClient,
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154 | { provide: HttpHandler, useClass: HttpInterceptingHandler },
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155 | HttpXhrBackend,
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156 | { provide: HttpBackend, useExisting: HttpXhrBackend },
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157 | ],
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158 | },] }
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159 | ];
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160 | /**
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161 | * Configures the [dependency injector](guide/glossary#injector) for `HttpClient`
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162 | * with supporting services for JSONP.
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163 | * Without this module, Jsonp requests reach the backend
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164 | * with method JSONP, where they are rejected.
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165 | *
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166 | * You can add interceptors to the chain behind `HttpClient` by binding them to the
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167 | * multiprovider for built-in [DI token](guide/glossary#di-token) `HTTP_INTERCEPTORS`.
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168 | *
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169 | * @publicApi
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170 | */
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171 | export class HttpClientJsonpModule {
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172 | }
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173 | HttpClientJsonpModule.decorators = [
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174 | { type: NgModule, args: [{
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175 | providers: [
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176 | JsonpClientBackend,
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177 | { provide: JsonpCallbackContext, useFactory: jsonpCallbackContext },
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178 | { provide: HTTP_INTERCEPTORS, useClass: JsonpInterceptor, multi: true },
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179 | ],
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180 | },] }
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181 | ];
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182 | //# 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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Injectable, Injector, ModuleWithProviders, NgModule} from '@angular/core';\nimport {Observable} from 'rxjs';\n\nimport {HttpBackend, HttpHandler} from './backend';\nimport {HttpClient} from './client';\nimport {HTTP_INTERCEPTORS, HttpInterceptor, HttpInterceptorHandler, NoopInterceptor} from './interceptor';\nimport {JsonpCallbackContext, JsonpClientBackend, JsonpInterceptor} from './jsonp';\nimport {HttpRequest} from './request';\nimport {HttpEvent} from './response';\nimport {HttpXhrBackend} from './xhr';\nimport {HttpXsrfCookieExtractor, HttpXsrfInterceptor, HttpXsrfTokenExtractor, XSRF_COOKIE_NAME, XSRF_HEADER_NAME} from './xsrf';\n\n/**\n * An injectable `HttpHandler` that applies multiple interceptors\n * to a request before passing it to the given `HttpBackend`.\n *\n * The interceptors are loaded lazily from the injector, to allow\n * interceptors to themselves inject classes depending indirectly\n * on `HttpInterceptingHandler` itself.\n * @see `HttpInterceptor`\n */\n@Injectable()\nexport class HttpInterceptingHandler implements HttpHandler {\n  private chain: HttpHandler|null = null;\n\n  constructor(private backend: HttpBackend, private injector: Injector) {}\n\n  handle(req: HttpRequest<any>): Observable<HttpEvent<any>> {\n    if (this.chain === null) {\n      const interceptors = this.injector.get(HTTP_INTERCEPTORS, []);\n      this.chain = interceptors.reduceRight(\n          (next, interceptor) => new HttpInterceptorHandler(next, interceptor), this.backend);\n    }\n    return this.chain.handle(req);\n  }\n}\n\n/**\n * Constructs an `HttpHandler` that applies interceptors\n * to a request before passing it to the given `HttpBackend`.\n *\n * Use as a factory function within `HttpClientModule`.\n *\n *\n */\nexport function interceptingHandler(\n    backend: HttpBackend, interceptors: HttpInterceptor[]|null = []): HttpHandler {\n  if (!interceptors) {\n    return backend;\n  }\n  return interceptors.reduceRight(\n      (next, interceptor) => new HttpInterceptorHandler(next, interceptor), backend);\n}\n\n/**\n * Factory function that determines where to store JSONP callbacks.\n *\n * Ordinarily JSONP callbacks are stored on the `window` object, but this may not exist\n * in test environments. In that case, callbacks are stored on an anonymous object instead.\n *\n *\n */\nexport function jsonpCallbackContext(): Object {\n  if (typeof window === 'object') {\n    return window;\n  }\n  return {};\n}\n\n/**\n * Configures XSRF protection support for outgoing requests.\n *\n * For a server that supports a cookie-based XSRF protection system,\n * use directly to configure XSRF protection with the correct\n * cookie and header names.\n *\n * If no names are supplied, the default cookie name is `XSRF-TOKEN`\n * and the default header name is `X-XSRF-TOKEN`.\n *\n * @publicApi\n */\n@NgModule({\n  providers: [\n    HttpXsrfInterceptor,\n    {provide: HTTP_INTERCEPTORS, useExisting: HttpXsrfInterceptor, multi: true},\n    {provide: HttpXsrfTokenExtractor, useClass: HttpXsrfCookieExtractor},\n    {provide: XSRF_COOKIE_NAME, useValue: 'XSRF-TOKEN'},\n    {provide: XSRF_HEADER_NAME, useValue: 'X-XSRF-TOKEN'},\n  ],\n})\nexport class HttpClientXsrfModule {\n  /**\n   * Disable the default XSRF protection.\n   */\n  static disable(): ModuleWithProviders<HttpClientXsrfModule> {\n    return {\n      ngModule: HttpClientXsrfModule,\n      providers: [\n        {provide: HttpXsrfInterceptor, useClass: NoopInterceptor},\n      ],\n    };\n  }\n\n  /**\n   * Configure XSRF protection.\n   * @param options An object that can specify either or both\n   * cookie name or header name.\n   * - Cookie name default is `XSRF-TOKEN`.\n   * - Header name default is `X-XSRF-TOKEN`.\n   *\n   */\n  static withOptions(options: {\n    cookieName?: string,\n    headerName?: string,\n  } = {}): ModuleWithProviders<HttpClientXsrfModule> {\n    return {\n      ngModule: HttpClientXsrfModule,\n      providers: [\n        options.cookieName ? {provide: XSRF_COOKIE_NAME, useValue: options.cookieName} : [],\n        options.headerName ? {provide: XSRF_HEADER_NAME, useValue: options.headerName} : [],\n      ],\n    };\n  }\n}\n\n/**\n * Configures the [dependency injector](guide/glossary#injector) for `HttpClient`\n * with supporting services for XSRF. Automatically imported by `HttpClientModule`.\n *\n * You can add interceptors to the chain behind `HttpClient` by binding them to the\n * multiprovider for built-in [DI token](guide/glossary#di-token) `HTTP_INTERCEPTORS`.\n *\n * @publicApi\n */\n@NgModule({\n  /**\n   * Optional configuration for XSRF protection.\n   */\n  imports: [\n    HttpClientXsrfModule.withOptions({\n      cookieName: 'XSRF-TOKEN',\n      headerName: 'X-XSRF-TOKEN',\n    }),\n  ],\n  /**\n   * Configures the [dependency injector](guide/glossary#injector) where it is imported\n   * with supporting services for HTTP communications.\n   */\n  providers: [\n    HttpClient,\n    {provide: HttpHandler, useClass: HttpInterceptingHandler},\n    HttpXhrBackend,\n    {provide: HttpBackend, useExisting: HttpXhrBackend},\n  ],\n})\nexport class HttpClientModule {\n}\n\n/**\n * Configures the [dependency injector](guide/glossary#injector) for `HttpClient`\n * with supporting services for JSONP.\n * Without this module, Jsonp requests reach the backend\n * with method JSONP, where they are rejected.\n *\n * You can add interceptors to the chain behind `HttpClient` by binding them to the\n * multiprovider for built-in [DI token](guide/glossary#di-token) `HTTP_INTERCEPTORS`.\n *\n * @publicApi\n */\n@NgModule({\n  providers: [\n    JsonpClientBackend,\n    {provide: JsonpCallbackContext, useFactory: jsonpCallbackContext},\n    {provide: HTTP_INTERCEPTORS, useClass: JsonpInterceptor, multi: true},\n  ],\n})\nexport class HttpClientJsonpModule {\n}\n"]} |
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