Files
automatisch/packages/backend/src/helpers/axios-with-proxy.js

103 lines
2.8 KiB
JavaScript

import axios from 'axios';
import { HttpsProxyAgent } from 'https-proxy-agent';
import { HttpProxyAgent } from 'http-proxy-agent';
import appConfig from '../config/app.js';
export function createInstance(customConfig = {}, { requestInterceptor, responseErrorInterceptor } = {}) {
const config = {
...axios.defaults,
...customConfig
};
const httpProxyUrl = appConfig.httpProxy;
const httpsProxyUrl = appConfig.httpsProxy;
const supportsProxy = httpProxyUrl || httpsProxyUrl;
const noProxyEnv = appConfig.noProxy;
const noProxyHosts = noProxyEnv ? noProxyEnv.split(',').map(host => host.trim()) : [];
if (supportsProxy) {
if (httpProxyUrl) {
config.httpAgent = new HttpProxyAgent(httpProxyUrl);
}
if (httpsProxyUrl) {
config.httpsAgent = new HttpsProxyAgent(httpsProxyUrl);
}
config.proxy = false;
}
const instance = axios.create(config);
function shouldSkipProxy(hostname) {
return noProxyHosts.some(noProxyHost => {
return hostname.endsWith(noProxyHost) || hostname === noProxyHost;
});
};
/**
* The interceptors are executed in the reverse order they are added.
*/
instance.interceptors.request.use(
function skipProxyIfInNoProxy(requestConfig) {
const hostname = new URL(requestConfig.baseURL).hostname;
if (supportsProxy && shouldSkipProxy(hostname)) {
requestConfig.httpAgent = undefined;
requestConfig.httpsAgent = undefined;
}
return requestConfig;
},
(error) => Promise.reject(error)
);
// not always we have custom request interceptors
if (requestInterceptor) {
instance.interceptors.request.use(
async function customInterceptor(requestConfig) {
let newRequestConfig = requestConfig;
for (const interceptor of requestInterceptor) {
newRequestConfig = await interceptor(newRequestConfig);
}
return newRequestConfig;
}
);
}
instance.interceptors.request.use(
function removeBaseUrlForAbsoluteUrls(requestConfig) {
/**
* If the URL is an absolute URL, we remove its origin out of the URL
* and set it as baseURL. This lets us streamlines the requests made by Automatisch
* and requests made by app integrations.
*/
try {
const url = new URL(requestConfig.url);
requestConfig.baseURL = url.origin;
requestConfig.url = url.pathname + url.search;
return requestConfig;
} catch (err) {
return requestConfig;
}
},
(error) => Promise.reject(error)
);
// not always we have custom response error interceptor
if (responseErrorInterceptor) {
instance.interceptors.response.use(
(response) => response,
responseErrorInterceptor
);
}
return instance;
}
const defaultInstance = createInstance();
export default defaultInstance;