Feat: impl gitee oauth2

internal/provider/gitee.go

@@ -0,0 +1,76 @@
+package provider
+
+import (
+	"context"
+	"net/http"
+
+	json "github.com/json-iterator/go"
+	"golang.org/x/oauth2"
+)
+
+type GiteeProvider struct {
+	config oauth2.Config
+}
+
+func (p *GiteeProvider) Init(ClientID, ClientSecret string, options ...Oauth2Option) {
+	p.config.ClientID = ClientID
+	p.config.ClientSecret = ClientSecret
+	p.config.Scopes = []string{"user_info"}
+	p.config.Endpoint = oauth2.Endpoint{
+		AuthURL:  "https://gitee.com/oauth/authorize",
+		TokenURL: "https://gitee.com/oauth/token",
+	}
+	for _, o := range options {
+		o(&p.config)
+	}
+}
+
+func (p *GiteeProvider) Provider() OAuth2Provider {
+	return "gitee"
+}
+
+func (p *GiteeProvider) NewConfig(options ...Oauth2Option) *oauth2.Config {
+	c := p.config
+	for _, o := range options {
+		o(&c)
+	}
+	if c.RedirectURL == "" {
+		panic("gitee oauth2 redirect url is empty")
+	}
+	return &c
+}
+
+func (p *GiteeProvider) GetUserInfo(ctx context.Context, config *oauth2.Config, code string) (*UserInfo, error) {
+	oauth2Token, err := config.Exchange(ctx, code)
+	if err != nil {
+		return nil, err
+	}
+	client := config.Client(ctx, oauth2Token)
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, "https://gitee.com/api/v5/user", nil)
+	if err != nil {
+		return nil, err
+	}
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	ui := giteeUserInfo{}
+	err = json.NewDecoder(resp.Body).Decode(&ui)
+	if err != nil {
+		return nil, err
+	}
+	return &UserInfo{
+		Username:       ui.Login,
+		ProviderUserID: ui.ID,
+	}, nil
+}
+
+type giteeUserInfo struct {
+	ID    uint   `json:"id"`
+	Login string `json:"login"`
+}
+
+func init() {
+	registerProvider(new(GiteeProvider))
+}

internal/provider/google.go

@@ -32,6 +32,9 @@ func (g *GoogleProvider) NewConfig(options ...Oauth2Option) *oauth2.Config {
 	for _, o := range options {
 		o(&c)
 	}
+	if c.RedirectURL == "" {
+		panic("google oauth2 redirect url is empty")
+	}
 	return &c
 }