82 lines
1.9 KiB
Go
82 lines
1.9 KiB
Go
/*
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* Copyright 2020 The Dragonfly Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package oauth
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import (
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"context"
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"crypto/rand"
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"encoding/base64"
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"github.com/google/go-github/github"
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"golang.org/x/oauth2"
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oauth2github "golang.org/x/oauth2/github"
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)
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var githubScopes = []string{
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"user",
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"public_repo",
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}
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type oauthGithub struct {
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*oauth2.Config
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}
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func newGithub(clientID, clientSecret, redirectURL string) *oauthGithub {
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return &oauthGithub{
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Config: &oauth2.Config{
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ClientID: clientID,
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ClientSecret: clientSecret,
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Scopes: githubScopes,
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Endpoint: oauth2github.Endpoint,
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RedirectURL: redirectURL,
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},
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}
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}
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func (g *oauthGithub) AuthCodeURL() (string, error) {
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b := make([]byte, 16)
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if _, err := rand.Read(b); err != nil {
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return "", err
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}
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return g.Config.AuthCodeURL(base64.URLEncoding.EncodeToString(b)), nil
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}
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func (g *oauthGithub) Exchange(code string) (*oauth2.Token, error) {
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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return g.Config.Exchange(ctx, code)
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}
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func (g *oauthGithub) GetUser(token *oauth2.Token) (*User, error) {
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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client := github.NewClient(g.Client(ctx, token))
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user, _, err := client.Users.Get(ctx, "")
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if err != nil {
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return nil, err
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}
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return &User{
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Name: *user.Name,
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Email: *user.Email,
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Avatar: *user.AvatarURL,
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}, nil
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}
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