core: support oauth bind/unbind account (#971)

Co-authored-by: panda <panda_dtdyy@outlook.com>

packages/login-with-github/index.ts

@@ -3,6 +3,10 @@ import {
     TokenModel, UserFacingError, ValidationError,
 } from 'hydrooj';
 
+// from https://github.com/logos
+// eslint-disable-next-line max-len
+const icon = '<svg viewBox="0 0 98 96" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" clip-rule="evenodd" d="M48.854 0C21.839 0 0 22 0 49.217c0 21.756 13.993 40.172 33.405 46.69 2.427.49 3.316-1.059 3.316-2.362 0-1.141-.08-5.052-.08-9.127-13.59 2.934-16.42-5.867-16.42-5.867-2.184-5.704-5.42-7.17-5.42-7.17-4.448-3.015.324-3.015.324-3.015 4.934.326 7.523 5.052 7.523 5.052 4.367 7.496 11.404 5.378 14.235 4.074.404-3.178 1.699-5.378 3.074-6.6-10.839-1.141-22.243-5.378-22.243-24.283 0-5.378 1.94-9.778 5.014-13.2-.485-1.222-2.184-6.275.486-13.038 0 0 4.125-1.304 13.426 5.052a46.97 46.97 0 0 1 12.214-1.63c4.125 0 8.33.571 12.213 1.63 9.302-6.356 13.427-5.052 13.427-5.052 2.67 6.763.97 11.816.485 13.038 3.155 3.422 5.015 7.822 5.015 13.2 0 18.905-11.404 23.06-22.324 24.283 1.78 1.548 3.316 4.481 3.316 9.126 0 6.6-.08 11.897-.08 13.526 0 1.304.89 2.853 3.316 2.364 19.412-6.52 33.405-24.935 33.405-46.691C97.707 22 75.788 0 48.854 0z" fill="#24292f"/></svg>';
+
 export default class LoginWithGithubService extends Service {
     static Config = Schema.object({
         id: Schema.string().description('Github OAuth AppID').required(),
@@ -14,6 +18,8 @@ export default class LoginWithGithubService extends Service {
         super(ctx, 'oauth.github');
         ctx.provideModule('oauth', 'github', {
             text: 'Login with Github',
+            name: 'Github',
+            icon,
             callback: async function callback({ state, code }) {
                 const s = await TokenModel.get(state, TokenModel.TYPE_OAUTH);
                 if (!s) throw new ValidationError('token');
@@ -38,7 +44,7 @@ export default class LoginWithGithubService extends Service {
                     .set('Accept', 'application/vnd.github.v3+json')
                     .set('Authorization', `token ${t}`);
                 const ret = {
-                    _id: `${userInfo.body.id}@github.local`,
+                    _id: userInfo.body.id,
                     email: userInfo.body.email,
                     bio: userInfo.body.bio,
                     uname: [userInfo.body.name, userInfo.body.login].filter((i) => i),