refactor: move auth to http module

lib/util/got/index.ts

@@ -1,14 +1,15 @@
 import got from 'got';
-import auth from './auth';
-import { mergeInstances } from './util';
+import { create, mergeInstances } from './util';
 
 export * from './common';
 
-/*
- * This is the default got instance for Renovate.
- *  - Cache all GET requests for the lifetime of the repo
- *
- */
-export const api = mergeInstances(got, auth);
+const dummy = create({
+  options: {},
+  handler: (options, next) => {
+    return next(options);
+  },
+});
+
+export const api = mergeInstances(got, dummy);
 
 export default api;

lib/util/http/auth.ts

@@ -0,0 +1,26 @@
+import {
+  PLATFORM_TYPE_GITEA,
+  PLATFORM_TYPE_GITHUB,
+  PLATFORM_TYPE_GITLAB,
+} from '../../constants/platforms';
+
+export function applyAuthorization(inOptions: any): any {
+  const options = { ...inOptions };
+  if (options.auth || options.headers?.authorization) {
+    return options;
+  }
+  if (options.token) {
+    if (
+      options.hostType === PLATFORM_TYPE_GITHUB ||
+      options.hostType === PLATFORM_TYPE_GITEA
+    ) {
+      options.headers.authorization = `token ${options.token}`;
+    } else if (options.hostType === PLATFORM_TYPE_GITLAB) {
+      options.headers['Private-token'] = options.token;
+    } else {
+      options.headers.authorization = `Bearer ${options.token}`;
+    }
+    delete options.token;
+  }
+  return options;
+}

lib/util/http/index.ts

@@ -4,6 +4,7 @@ import { GotPromise } from 'got';
 import * as runCache from '../cache/run';
 import { clone } from '../clone';
 import got from '../got';
+import { applyAuthorization } from './auth';
 import { applyHostRules } from './host-rules';
 
 interface OutgoingHttpHeaders {
@@ -90,6 +91,7 @@ export class Http<GetOptions = HttpOptions, PostOptions = HttpPostOptions> {
     };
 
     options = applyHostRules(url, options);
+    options = applyAuthorization(options);
 
     // Cache GET requests unless useCache=false
     let promisedRes: GotPromise<any>;