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/*
* SonarQube
* Copyright (C) 2009-2022 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 { isNil, omitBy } from 'lodash';
import { Dict } from '../types/types';
import { getCookie } from './cookies';
import { translate } from './l10n';
import { stringify } from './stringify-queryparams';
import { getBaseUrl } from './system';
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(): Dict<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 type RequestData = Dict<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;
private isJSON = false;
// eslint-disable-next-line no-useless-constructor
constructor(private readonly url: string, private readonly 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 if (this.isJSON) {
customHeaders['Content-Type'] = 'application/json';
options.body = JSON.stringify(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(getBaseUrl() + url, options);
}
setMethod(method: string): Request {
this.options.method = method;
return this;
}
setData(data?: RequestData, isJSON = false): Request {
if (data) {
this.data = data;
this.isJSON = isJSON;
}
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;
}
/**
* Check that response status is ok
*/
export function checkStatus(response: Response, bypassRedirect?: boolean): Promise<Response> {
return new Promise((resolve, reject) => {
if (response.status === HttpStatus.Unauthorized && !bypassRedirect) {
import('./handleRequiredAuthentication')
.then(i => i.default())
.then(reject, reject);
} else if (isSuccessStatus(response.status)) {
resolve(response);
} else {
reject(response);
}
});
}
/**
* Parse response as JSON
*/
export function parseJSON(response: Response): Promise<any> {
return response.json();
}
/**
* Parse response as Text
*/
export function parseText(response: Response): Promise<string> {
return response.text();
}
/**
* Parse response of failed request
*/
export function parseError(response: Response): Promise<string> {
const DEFAULT_MESSAGE = translate('default_error_message');
return parseJSON(response)
.then(({ errors }) => errors.map((error: any) => error.msg).join('. '))
.catch(() => DEFAULT_MESSAGE);
}
/**
* Shortcut to do a GET request and return a Response
*/
export function get(url: string, data?: RequestData, bypassRedirect?: boolean): Promise<Response> {
return request(url)
.setData(data)
.submit()
.then(response => checkStatus(response, bypassRedirect));
}
/**
* Shortcut to do a GET request and return response json
*/
export function getJSON(url: string, data?: RequestData, bypassRedirect?: boolean): Promise<any> {
return get(url, data, bypassRedirect).then(parseJSON);
}
/**
* Shortcut to do a GET request and return response text
*/
export function getText(
url: string,
data?: RequestData,
bypassRedirect?: boolean
): Promise<string> {
return get(url, data, bypassRedirect).then(parseText);
}
/**
* Shortcut to do a CORS GET request and return response json
*/
export function getCorsJSON(url: string, data?: RequestData): Promise<any> {
return corsRequest(url)
.setData(data)
.submit()
.then(response => {
if (isSuccessStatus(response.status)) {
return parseJSON(response);
}
return Promise.reject(response);
});
}
/**
* Shortcut to do a POST request and return response json
*/
export function postJSON(url: string, data?: RequestData, bypassRedirect?: boolean): Promise<any> {
return request(url)
.setMethod('POST')
.setData(data)
.submit()
.then(response => checkStatus(response, bypassRedirect))
.then(parseJSON);
}
/**
* Shortcut to do a POST request with a json body and return response json
*/
export function postJSONBody(
url: string,
data?: RequestData,
bypassRedirect?: boolean
): Promise<any> {
return request(url)
.setMethod('POST')
.setData(data, true)
.submit()
.then(response => checkStatus(response, bypassRedirect))
.then(parseJSON);
}
/**
* Shortcut to do a POST request
*/
export function post(url: string, data?: RequestData, bypassRedirect?: boolean): Promise<void> {
return new Promise((resolve, reject) => {
request(url)
.setMethod('POST')
.setData(data)
.submit()
.then(response => checkStatus(response, bypassRedirect))
.then(() => resolve(), reject);
});
}
function tryRequestAgain<T>(
repeatAPICall: () => Promise<T>,
tries: { max: number; slowThreshold: number },
stopRepeat: (response: T) => boolean,
repeatErrors: number[] = [],
lastError?: Response
) {
tries.max--;
if (tries.max !== 0) {
return new Promise<T>(resolve => {
setTimeout(
() => resolve(requestTryAndRepeatUntil(repeatAPICall, tries, stopRepeat, repeatErrors)),
tries.max > tries.slowThreshold ? 500 : 3000
);
});
}
return Promise.reject(lastError);
}
export function requestTryAndRepeatUntil<T>(
repeatAPICall: () => Promise<T>,
tries: { max: number; slowThreshold: number },
stopRepeat: (response: T) => boolean,
repeatErrors: number[] = []
) {
return repeatAPICall().then(
r => {
if (stopRepeat(r)) {
return r;
}
return tryRequestAgain(repeatAPICall, tries, stopRepeat, repeatErrors);
},
(error: Response) => {
if (repeatErrors.length === 0 || repeatErrors.includes(error.status)) {
return tryRequestAgain(repeatAPICall, tries, stopRepeat, repeatErrors, error);
}
return Promise.reject(error);
}
);
}
export function isSuccessStatus(status: number) {
return status >= 200 && status < 300;
}
// Adapted from https://nodejs.org/api/http.html#http_http_HTTP_STATUS
export enum HttpStatus {
Ok = 200,
Created = 201,
NoContent = 204,
MultipleChoices = 300,
MovedPermanently = 301,
Found = 302,
BadRequest = 400,
Unauthorized = 401,
Forbidden = 403,
NotFound = 404,
InternalServerError = 500,
NotImplemented = 501,
BadGateway = 502,
ServiceUnavailable = 503,
GatewayTimeout = 504
}
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