source: trip-planner-front/node_modules/@angular/common/esm2015/http/src/xsrf.js@ 188ee53

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { DOCUMENT, ɵparseCookieValue as parseCookieValue } from '@angular/common';
import { Inject, Injectable, InjectionToken, PLATFORM_ID } from '@angular/core';
export const XSRF_COOKIE_NAME = new InjectionToken('XSRF_COOKIE_NAME');
export const XSRF_HEADER_NAME = new InjectionToken('XSRF_HEADER_NAME');
/**
 * Retrieves the current XSRF token to use with the next outgoing request.
 *
 * @publicApi
 */
export class HttpXsrfTokenExtractor {
}
/**
 * `HttpXsrfTokenExtractor` which retrieves the token from a cookie.
 */
export class HttpXsrfCookieExtractor {
    constructor(doc, platform, cookieName) {
        this.doc = doc;
        this.platform = platform;
        this.cookieName = cookieName;
        this.lastCookieString = '';
        this.lastToken = null;
        /**
         * @internal for testing
         */
        this.parseCount = 0;
    }
    getToken() {
        if (this.platform === 'server') {
            return null;
        }
        const cookieString = this.doc.cookie || '';
        if (cookieString !== this.lastCookieString) {
            this.parseCount++;
            this.lastToken = parseCookieValue(cookieString, this.cookieName);
            this.lastCookieString = cookieString;
        }
        return this.lastToken;
    }
}
HttpXsrfCookieExtractor.decorators = [
    { type: Injectable }
];
HttpXsrfCookieExtractor.ctorParameters = () => [
    { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },
    { type: String, decorators: [{ type: Inject, args: [PLATFORM_ID,] }] },
    { type: String, decorators: [{ type: Inject, args: [XSRF_COOKIE_NAME,] }] }
];
/**
 * `HttpInterceptor` which adds an XSRF token to eligible outgoing requests.
 */
export class HttpXsrfInterceptor {
    constructor(tokenService, headerName) {
        this.tokenService = tokenService;
        this.headerName = headerName;
    }
    intercept(req, next) {
        const lcUrl = req.url.toLowerCase();
        // Skip both non-mutating requests and absolute URLs.
        // Non-mutating requests don't require a token, and absolute URLs require special handling
        // anyway as the cookie set
        // on our origin is not the same as the token expected by another origin.
        if (req.method === 'GET' || req.method === 'HEAD' || lcUrl.startsWith('http://') ||
            lcUrl.startsWith('https://')) {
            return next.handle(req);
        }
        const token = this.tokenService.getToken();
        // Be careful not to overwrite an existing header of the same name.
        if (token !== null && !req.headers.has(this.headerName)) {
            req = req.clone({ headers: req.headers.set(this.headerName, token) });
        }
        return next.handle(req);
    }
}
HttpXsrfInterceptor.decorators = [
    { type: Injectable }
];
HttpXsrfInterceptor.ctorParameters = () => [
    { type: HttpXsrfTokenExtractor },
    { type: String, decorators: [{ type: Inject, args: [XSRF_HEADER_NAME,] }] }
];
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