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- /*
- * SonarQube
- * Copyright (C) 2009-2018 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
- import { stringify } from 'querystring';
- import { omitBy, isNil } from 'lodash';
- import { getCookie } from './cookies';
- import { translate } from './l10n';
-
- /** Current application version. Can be changed if a newer version is deployed. */
- let currentApplicationVersion: string | undefined;
-
- export function getCSRFTokenName(): string {
- return 'X-XSRF-TOKEN';
- }
-
- export function getCSRFTokenValue(): string {
- const cookieName = 'XSRF-TOKEN';
- const cookieValue = getCookie(cookieName);
- if (!cookieValue) {
- return '';
- }
- return cookieValue;
- }
-
- /**
- * Return an object containing a special http request header used to prevent CSRF attacks.
- */
- export function getCSRFToken(): { [x: string]: string } {
- // Fetch API in Edge doesn't work with empty header,
- // so we ensure non-empty value
- const value = getCSRFTokenValue();
- return value ? { [getCSRFTokenName()]: value } : {};
- }
-
- export interface RequestData {
- [x: string]: any;
- }
-
- export function omitNil(obj: RequestData): RequestData {
- return omitBy(obj, isNil);
- }
-
- /**
- * Default options for any request
- */
- const DEFAULT_OPTIONS: {
- credentials: RequestCredentials;
- method: string;
- } = {
- credentials: 'same-origin',
- method: 'GET'
- };
-
- /**
- * Default request headers
- */
- const DEFAULT_HEADERS = {
- Accept: 'application/json'
- };
-
- /**
- * Request
- */
- class Request {
- private data?: RequestData;
-
- constructor(private url: string, private options: { method?: string } = {}) {}
-
- getSubmitData(customHeaders: any = {}): { url: string; options: RequestInit } {
- let { url } = this;
- const options: RequestInit = { ...DEFAULT_OPTIONS, ...this.options };
-
- if (this.data) {
- if (this.data instanceof FormData) {
- options.body = this.data;
- } else {
- const strData = stringify(omitNil(this.data));
- if (options.method === 'GET') {
- url += '?' + strData;
- } else {
- customHeaders['Content-Type'] = 'application/x-www-form-urlencoded';
- options.body = strData;
- }
- }
- }
-
- options.headers = {
- ...DEFAULT_HEADERS,
- ...customHeaders
- };
- return { url, options };
- }
-
- submit(): Promise<Response> {
- const { url, options } = this.getSubmitData({ ...getCSRFToken() });
- return window.fetch((window as any).baseUrl + url, options);
- }
-
- setMethod(method: string): Request {
- this.options.method = method;
- return this;
- }
-
- setData(data?: RequestData): Request {
- if (data) {
- this.data = data;
- }
- return this;
- }
- }
-
- /**
- * Make a request
- */
- export function request(url: string): Request {
- return new Request(url);
- }
-
- /**
- * Make a cors request
- */
- export function corsRequest(url: string, mode: RequestMode = 'cors'): Request {
- const options: RequestInit = { mode };
- const request = new Request(url, options);
- request.submit = function() {
- const { url, options } = this.getSubmitData();
- return window.fetch(url, options);
- };
- return request;
- }
-
- function checkApplicationVersion(response: Response): boolean {
- const version = response.headers.get('Sonar-Version');
- if (version) {
- if (currentApplicationVersion && currentApplicationVersion !== version) {
- window.location.reload();
- return false;
- } else {
- currentApplicationVersion = version;
- }
- }
- return true;
- }
-
- /**
- * Check that response status is ok
- */
- export function checkStatus(response: Response): Promise<Response> {
- return new Promise((resolve, reject) => {
- if (checkApplicationVersion(response)) {
- if (response.status === 401) {
- import('../app/utils/handleRequiredAuthentication')
- .then(i => i.default())
- .then(reject, reject);
- } else if (response.status >= 200 && response.status < 300) {
- resolve(response);
- } else {
- reject({ response });
- }
- }
- });
- }
-
- /**
- * Parse response as JSON
- */
- export function parseJSON(response: Response): Promise<any> {
- return response.json();
- }
-
- /**
- * Parse response of failed request
- */
- export function parseError(error: { response: Response }): Promise<string> {
- const DEFAULT_MESSAGE = translate('default_error_message');
-
- try {
- return error.response
- .json()
- .then(r => r.errors.map((error: any) => error.msg).join('. '))
- .catch(() => DEFAULT_MESSAGE);
- } catch (ex) {
- return Promise.resolve(DEFAULT_MESSAGE);
- }
- }
-
- /**
- * Shortcut to do a GET request and return response json
- */
- export function getJSON(url: string, data?: RequestData): Promise<any> {
- return request(url)
- .setData(data)
- .submit()
- .then(checkStatus)
- .then(parseJSON);
- }
-
- /**
- * Shortcut to do a CORS GET request and return responsejson
- */
- export function getCorsJSON(url: string, data?: RequestData): Promise<any> {
- return corsRequest(url)
- .setData(data)
- .submit()
- .then(response => {
- if (response.status >= 200 && response.status < 300) {
- return Promise.resolve(response);
- } else {
- return Promise.reject({ response });
- }
- })
- .then(parseJSON);
- }
-
- /**
- * Shortcut to do a POST request and return response json
- */
- export function postJSON(url: string, data?: RequestData): Promise<any> {
- return request(url)
- .setMethod('POST')
- .setData(data)
- .submit()
- .then(checkStatus)
- .then(parseJSON);
- }
-
- /**
- * Shortcut to do a POST request
- */
- export function post(url: string, data?: RequestData): Promise<void> {
- return new Promise((resolve, reject) => {
- request(url)
- .setMethod('POST')
- .setData(data)
- .submit()
- .then(checkStatus)
- .then(() => {
- resolve();
- }, reject);
- });
- }
-
- /**
- * Shortcut to do a DELETE request and return response json
- */
- export function requestDelete(url: string, data?: RequestData): Promise<any> {
- return request(url)
- .setMethod('DELETE')
- .setData(data)
- .submit()
- .then(checkStatus);
- }
-
- /**
- * Delay promise for testing purposes
- */
- export function delay(response: any): Promise<any> {
- return new Promise(resolve => setTimeout(() => resolve(response), 1200));
- }
-
- export function requestTryAndRepeat<T>(
- repeatAPICall: () => Promise<T>,
- tries: number,
- slowTriesThreshold: number,
- repeatErrors = [404]
- ) {
- return repeatAPICall().catch((error: { response: Response }) => {
- if (repeatErrors.includes(error.response.status)) {
- tries--;
- if (tries > 0) {
- return new Promise(resolve => {
- setTimeout(
- () =>
- resolve(requestTryAndRepeat(repeatAPICall, tries, slowTriesThreshold, repeatErrors)),
- tries > slowTriesThreshold ? 500 : 3000
- );
- });
- }
- return Promise.reject();
- }
- return Promise.reject(error);
- });
- }
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