Opt: oauth2 provider

internal/bootstrap/provider.go

@@ -5,13 +5,20 @@ import (
 	"os"
 	"path/filepath"
 
+	"github.com/hashicorp/go-hclog"
 	log "github.com/sirupsen/logrus"
+	"github.com/synctv-org/synctv/cmd/flags"
 	"github.com/synctv-org/synctv/internal/conf"
 	"github.com/synctv-org/synctv/internal/provider"
 	"github.com/synctv-org/synctv/utils"
 )
 
 func InitProvider(ctx context.Context) error {
+	logOur := log.StandardLogger().Writer()
+	logLevle := hclog.Info
+	if flags.Dev {
+		logLevle = hclog.Debug
+	}
 	for _, op := range conf.Conf.OAuth2.Plugins {
 		utils.OptFilePath(&op.PluginFile)
 		log.Infof("load oauth2 plugin: %s", op.PluginFile)
@@ -20,7 +27,12 @@ func InitProvider(ctx context.Context) error {
 			log.Errorf("create plugin dir: %s failed: %s", filepath.Dir(op.PluginFile), err)
 			return err
 		}
-		err = provider.InitProviderPlugins(op.PluginFile, op.Arges...)
+		err = provider.InitProviderPlugins(op.PluginFile, op.Arges, hclog.New(&hclog.LoggerOptions{
+			Name:   op.PluginFile,
+			Level:  logLevle,
+			Output: logOur,
+			Color:  hclog.ForceColor,
+		}))
 		if err != nil {
 			log.Errorf("load oauth2 plugin: %s failed: %s", op.PluginFile, err)
 			return err

internal/conf/oauth2.go

@@ -1,6 +1,9 @@
 package conf
 
-import "github.com/synctv-org/synctv/internal/provider"
+import (
+	"github.com/synctv-org/synctv/internal/provider"
+	"github.com/synctv-org/synctv/internal/provider/providers"
+)
 
 type OAuth2Config struct {
 	Providers map[provider.OAuth2Provider]OAuth2ProviderConfig `yaml:"providers"`
@@ -21,7 +24,7 @@ type OAuth2ProviderConfig struct {
 func DefaultOAuth2Config() OAuth2Config {
 	return OAuth2Config{
 		Providers: map[provider.OAuth2Provider]OAuth2ProviderConfig{
-			(&provider.GithubProvider{}).Provider(): {
+			(&providers.GithubProvider{}).Provider(): {
 				ClientID:     "",
 				ClientSecret: "",
 				RedirectURL:  "",

internal/provider/client.go

@@ -0,0 +1,68 @@
+package provider
+
+import (
+	"context"
+	"time"
+
+	providerpb "github.com/synctv-org/synctv/proto/provider"
+	"golang.org/x/oauth2"
+)
+
+type GRPCClient struct{ client providerpb.Oauth2PluginClient }
+
+var _ ProviderInterface = (*GRPCClient)(nil)
+
+func (c *GRPCClient) Init(o Oauth2Option) {
+	c.client.Init(context.Background(), &providerpb.InitReq{
+		ClientId:     o.ClientID,
+		ClientSecret: o.ClientSecret,
+		RedirectUrl:  o.RedirectURL,
+	})
+}
+
+func (c *GRPCClient) Provider() OAuth2Provider {
+	resp, err := c.client.Provider(context.Background(), &providerpb.Enpty{})
+	if err != nil {
+		return ""
+	}
+	return OAuth2Provider(resp.Name)
+}
+
+func (c *GRPCClient) NewAuthURL(state string) string {
+	resp, err := c.client.NewAuthURL(context.Background(), &providerpb.NewAuthURLReq{State: state})
+	if err != nil {
+		return ""
+	}
+	return resp.Url
+}
+
+func (c *GRPCClient) GetToken(ctx context.Context, code string) (*oauth2.Token, error) {
+	resp, err := c.client.GetToken(ctx, &providerpb.GetTokenReq{Code: code})
+	if err != nil {
+		return nil, err
+	}
+	return &oauth2.Token{
+		AccessToken:  resp.AccessToken,
+		TokenType:    resp.TokenType,
+		RefreshToken: resp.RefreshToken,
+		Expiry:       time.Unix(resp.Expiry, 0),
+	}, nil
+}
+
+func (c *GRPCClient) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*UserInfo, error) {
+	resp, err := c.client.GetUserInfo(ctx, &providerpb.GetUserInfoReq{
+		Token: &providerpb.Token{
+			AccessToken:  tk.AccessToken,
+			TokenType:    tk.TokenType,
+			RefreshToken: tk.RefreshToken,
+			Expiry:       tk.Expiry.Unix(),
+		},
+	})
+	if err != nil {
+		return nil, err
+	}
+	return &UserInfo{
+		Username:       resp.Username,
+		ProviderUserID: uint(resp.ProviderUserId),
+	}, nil
+}

internal/provider/plugin.go

@@ -4,148 +4,34 @@ import (
 	"context"
 	"fmt"
 	"os/exec"
-	"time"
 
 	"github.com/hashicorp/go-hclog"
-	plugin "github.com/hashicorp/go-plugin"
-	log "github.com/sirupsen/logrus"
+	"github.com/hashicorp/go-plugin"
 	sysnotify "github.com/synctv-org/synctv/internal/sysNotify"
 	providerpb "github.com/synctv-org/synctv/proto/provider"
-	"golang.org/x/oauth2"
 	"google.golang.org/grpc"
 )
 
-type ProviderPlugin struct {
-	plugin.Plugin
-	Impl ProviderInterface
-}
-
-func (p *ProviderPlugin) GRPCServer(broker *plugin.GRPCBroker, s *grpc.Server) error {
-	providerpb.RegisterOauth2PluginServer(s, &GRPCServer{Impl: p.Impl})
-	return nil
-}
-
-func (p *ProviderPlugin) GRPCClient(ctx context.Context, broker *plugin.GRPCBroker, c *grpc.ClientConn) (interface{}, error) {
-	return &GRPCClient{client: providerpb.NewOauth2PluginClient(c)}, nil
-}
-
-type GRPCServer struct {
-	providerpb.UnimplementedOauth2PluginServer
-	Impl ProviderInterface
-}
-
-func (s *GRPCServer) Init(ctx context.Context, req *providerpb.InitReq) (*providerpb.Enpty, error) {
-	s.Impl.Init(Oauth2Option{
-		ClientID:     req.ClientId,
-		ClientSecret: req.ClientSecret,
-		RedirectURL:  req.RedirectUrl,
-	})
-	return &providerpb.Enpty{}, nil
-}
-
-func (s *GRPCServer) Provider(ctx context.Context, req *providerpb.Enpty) (*providerpb.ProviderResp, error) {
-	return &providerpb.ProviderResp{Name: string(s.Impl.Provider())}, nil
-}
-
-func (s *GRPCServer) NewAuthURL(ctx context.Context, req *providerpb.NewAuthURLReq) (*providerpb.NewAuthURLResp, error) {
-	return &providerpb.NewAuthURLResp{Url: s.Impl.NewAuthURL(req.State)}, nil
-}
-
-func (s *GRPCServer) GetToken(ctx context.Context, req *providerpb.GetTokenReq) (*providerpb.Token, error) {
-	token, err := s.Impl.GetToken(ctx, req.Code)
-	if err != nil {
-		return nil, err
-	}
-	return &providerpb.Token{
-		AccessToken:  token.AccessToken,
-		TokenType:    token.TokenType,
-		RefreshToken: token.RefreshToken,
-		Expiry:       token.Expiry.Unix(),
-	}, nil
-}
-
-func (s *GRPCServer) GetUserInfo(ctx context.Context, req *providerpb.GetUserInfoReq) (*providerpb.GetUserInfoResp, error) {
-	userInfo, err := s.Impl.GetUserInfo(ctx, &oauth2.Token{
-		AccessToken:  req.Token.AccessToken,
-		TokenType:    req.Token.TokenType,
-		Expiry:       time.Unix(req.Token.Expiry, 0),
-		RefreshToken: req.Token.RefreshToken,
-	})
-	if err != nil {
-		return nil, err
-	}
-	resp := &providerpb.GetUserInfoResp{
-		Username:       userInfo.Username,
-		ProviderUserId: uint64(userInfo.ProviderUserID),
-	}
-	if userInfo.TokenRefreshed != nil {
-		resp.TokenRefreshed = &providerpb.Token{
-			AccessToken:  userInfo.TokenRefreshed.Token.AccessToken,
-			TokenType:    userInfo.TokenRefreshed.Token.TokenType,
-			RefreshToken: userInfo.TokenRefreshed.Token.RefreshToken,
-			Expiry:       userInfo.TokenRefreshed.Token.Expiry.Unix(),
-		}
-	}
-	return resp, nil
-}
-
-type GRPCClient struct{ client providerpb.Oauth2PluginClient }
-
-var _ ProviderInterface = (*GRPCClient)(nil)
-
-func (c *GRPCClient) Init(o Oauth2Option) {
-	c.client.Init(context.Background(), &providerpb.InitReq{
-		ClientId:     o.ClientID,
-		ClientSecret: o.ClientSecret,
-		RedirectUrl:  o.RedirectURL,
-	})
-}
-
-func (c *GRPCClient) Provider() OAuth2Provider {
-	resp, err := c.client.Provider(context.Background(), &providerpb.Enpty{})
-	if err != nil {
-		return ""
-	}
-	return OAuth2Provider(resp.Name)
-}
-
-func (c *GRPCClient) NewAuthURL(state string) string {
-	resp, err := c.client.NewAuthURL(context.Background(), &providerpb.NewAuthURLReq{State: state})
+func InitProviderPlugins(name string, arg []string, Logger hclog.Logger) error {
+	client := NewProviderPlugin(name, arg, Logger)
+	sysnotify.RegisterSysNotifyTask(0, sysnotify.NewSysNotifyTask("plugin", sysnotify.NotifyTypeEXIT, func() error {
+		client.Kill()
+		return nil
+	}))
+	c, err := client.Client()
 	if err != nil {
-		return ""
+		return err
 	}
-	return resp.Url
-}
-
-func (c *GRPCClient) GetToken(ctx context.Context, code string) (*oauth2.Token, error) {
-	resp, err := c.client.GetToken(ctx, &providerpb.GetTokenReq{Code: code})
+	i, err := c.Dispense("Provider")
 	if err != nil {
-		return nil, err
+		return err
 	}
-	return &oauth2.Token{
-		AccessToken:  resp.AccessToken,
-		TokenType:    resp.TokenType,
-		RefreshToken: resp.RefreshToken,
-		Expiry:       time.Unix(resp.Expiry, 0),
-	}, nil
-}
-
-func (c *GRPCClient) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*UserInfo, error) {
-	resp, err := c.client.GetUserInfo(ctx, &providerpb.GetUserInfoReq{
-		Token: &providerpb.Token{
-			AccessToken:  tk.AccessToken,
-			TokenType:    tk.TokenType,
-			RefreshToken: tk.RefreshToken,
-			Expiry:       tk.Expiry.Unix(),
-		},
-	})
-	if err != nil {
-		return nil, err
+	provider, ok := i.(ProviderInterface)
+	if !ok {
+		return fmt.Errorf("%s not implement ProviderInterface", name)
 	}
-	return &UserInfo{
-		Username:       resp.Username,
-		ProviderUserID: uint(resp.ProviderUserId),
-	}, nil
+	RegisterProvider(provider)
+	return nil
 }
 
 var HandshakeConfig = plugin.HandshakeConfig{
@@ -158,35 +44,27 @@ var pluginMap = map[string]plugin.Plugin{
 	"Provider": &ProviderPlugin{},
 }
 
-func InitProviderPlugins(name string, arg ...string) error {
-	client := plugin.NewClient(&plugin.ClientConfig{
+type ProviderPlugin struct {
+	plugin.Plugin
+	Impl ProviderInterface
+}
+
+func (p *ProviderPlugin) GRPCServer(broker *plugin.GRPCBroker, s *grpc.Server) error {
+	providerpb.RegisterOauth2PluginServer(s, &GRPCServer{Impl: p.Impl})
+	return nil
+}
+
+func (p *ProviderPlugin) GRPCClient(ctx context.Context, broker *plugin.GRPCBroker, c *grpc.ClientConn) (interface{}, error) {
+	return &GRPCClient{client: providerpb.NewOauth2PluginClient(c)}, nil
+}
+
+func NewProviderPlugin(name string, arg []string, Logger hclog.Logger) *plugin.Client {
+	return plugin.NewClient(&plugin.ClientConfig{
 		HandshakeConfig: HandshakeConfig,
 		Plugins:         pluginMap,
 		Cmd:             exec.Command(name, arg...),
 		AllowedProtocols: []plugin.Protocol{
 			plugin.ProtocolGRPC},
-		Logger: hclog.New(&hclog.LoggerOptions{
-			Name:   "plugin",
-			Output: log.StandardLogger().Writer(),
-			Level:  hclog.Debug,
-		}),
+		Logger: Logger,
 	})
-	sysnotify.RegisterSysNotifyTask(0, sysnotify.NewSysNotifyTask("plugin", sysnotify.NotifyTypeEXIT, func() error {
-		client.Kill()
-		return nil
-	}))
-	c, err := client.Client()
-	if err != nil {
-		return err
-	}
-	i, err := c.Dispense("Provider")
-	if err != nil {
-		return err
-	}
-	provider, ok := i.(ProviderInterface)
-	if !ok {
-		return fmt.Errorf("%s not implement ProviderInterface", name)
-	}
-	registerProvider(provider)
-	return nil
 }

internal/provider/plugin/example_gitee.go

@@ -10,6 +10,21 @@ import (
 	"golang.org/x/oauth2"
 )
 
+// go build -o gitee ./internal/provider/plugins/gitee.go
+//
+// mv gitee {data-dir}/plugins/oauth2/gitee
+//
+// config.yaml:
+//
+//	oauth2:
+//		providers:
+//			gitee:
+//				client_id: xxx
+//				client_secret: xxx
+//				redirect_url: xxx
+//		plugins:
+//			- plugin_file: plugins/oauth2/gitee
+//			arges: []
 type GiteeProvider struct {
 	config oauth2.Config
 }

internal/provider/provider.go

@@ -9,11 +9,6 @@ import (
 
 type OAuth2Provider string
 
-var (
-	enabledProviders map[OAuth2Provider]ProviderInterface
-	allowedProviders = make(map[OAuth2Provider]ProviderInterface)
-)
-
 type TokenRefreshed struct {
 	Refreshed bool
 	Token     *oauth2.Token
@@ -39,6 +34,11 @@ type ProviderInterface interface {
 	GetUserInfo(context.Context, *oauth2.Token) (*UserInfo, error)
 }
 
+var (
+	enabledProviders map[OAuth2Provider]ProviderInterface
+	allowedProviders = make(map[OAuth2Provider]ProviderInterface)
+)
+
 func InitProvider(p OAuth2Provider, c Oauth2Option) error {
 	pi, ok := allowedProviders[p]
 	if !ok {
@@ -52,7 +52,7 @@ func InitProvider(p OAuth2Provider, c Oauth2Option) error {
 	return nil
 }
 
-func registerProvider(ps ...ProviderInterface) {
+func RegisterProvider(ps ...ProviderInterface) {
 	for _, p := range ps {
 		allowedProviders[p.Provider()] = p
 	}

internal/provider/providers/baidu-netdisk.go

@@ -1,4 +1,4 @@
-package provider
+package providers
 
 import (
 	"context"
@@ -6,6 +6,7 @@ import (
 	"net/http"
 
 	json "github.com/json-iterator/go"
+	"github.com/synctv-org/synctv/internal/provider"
 	"golang.org/x/oauth2"
 )
 
@@ -14,7 +15,7 @@ type BaiduNetDiskProvider struct {
 	config oauth2.Config
 }
 
-func (p *BaiduNetDiskProvider) Init(c Oauth2Option) {
+func (p *BaiduNetDiskProvider) Init(c provider.Oauth2Option) {
 	p.config.Scopes = []string{"basic", "netdisk"}
 	p.config.Endpoint = oauth2.Endpoint{
 		AuthURL:  "https://openapi.baidu.com/oauth/2.0/authorize",
@@ -25,7 +26,7 @@ func (p *BaiduNetDiskProvider) Init(c Oauth2Option) {
 	p.config.RedirectURL = c.RedirectURL
 }
 
-func (p *BaiduNetDiskProvider) Provider() OAuth2Provider {
+func (p *BaiduNetDiskProvider) Provider() provider.OAuth2Provider {
 	return "baidu-netdisk"
 }
 
@@ -36,7 +37,7 @@ func (p *BaiduNetDiskProvider) NewAuthURL(state string) string {
 func (p *BaiduNetDiskProvider) GetToken(ctx context.Context, code string) (*oauth2.Token, error) {
 	return p.config.Exchange(ctx, code)
 }
-func (p *BaiduNetDiskProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*UserInfo, error) {
+func (p *BaiduNetDiskProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*provider.UserInfo, error) {
 	client := p.config.Client(ctx, tk)
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, fmt.Sprintf("https://pan.baidu.com/rest/2.0/xpan/nas?method=uinfo&access_token=%s", tk.AccessToken), nil)
 	if err != nil {
@@ -55,14 +56,14 @@ func (p *BaiduNetDiskProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token
 	if ui.Errno != 0 {
 		return nil, fmt.Errorf("baidu oauth2 get user info error: %s", ui.Errmsg)
 	}
-	return &UserInfo{
+	return &provider.UserInfo{
 		Username:       ui.BaiduName,
 		ProviderUserID: ui.Uk,
 	}, nil
 }
 
 func init() {
-	registerProvider(new(BaiduNetDiskProvider))
+	provider.RegisterProvider(new(BaiduNetDiskProvider))
 }
 
 type baiduNetDiskProviderUserInfo struct {

internal/provider/providers/baidu.go

@@ -1,4 +1,4 @@
-package provider
+package providers
 
 import (
 	"context"
@@ -7,6 +7,7 @@ import (
 	"net/http"
 
 	json "github.com/json-iterator/go"
+	"github.com/synctv-org/synctv/internal/provider"
 	"github.com/zijiren233/stream"
 	"golang.org/x/oauth2"
 )
@@ -16,7 +17,7 @@ type BaiduProvider struct {
 	config oauth2.Config
 }
 
-func (p *BaiduProvider) Init(c Oauth2Option) {
+func (p *BaiduProvider) Init(c provider.Oauth2Option) {
 	p.config.Scopes = []string{"basic"}
 	p.config.Endpoint = oauth2.Endpoint{
 		AuthURL:  "https://openapi.baidu.com/oauth/2.0/authorize",
@@ -27,7 +28,7 @@ func (p *BaiduProvider) Init(c Oauth2Option) {
 	p.config.RedirectURL = c.RedirectURL
 }
 
-func (p *BaiduProvider) Provider() OAuth2Provider {
+func (p *BaiduProvider) Provider() provider.OAuth2Provider {
 	return "baidu"
 }
 
@@ -39,7 +40,7 @@ func (p *BaiduProvider) GetToken(ctx context.Context, code string) (*oauth2.Toke
 	return p.config.Exchange(ctx, code)
 }
 
-func (p *BaiduProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*UserInfo, error) {
+func (p *BaiduProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*provider.UserInfo, error) {
 	client := p.config.Client(ctx, tk)
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, fmt.Sprintf("https://openapi.baidu.com/rest/2.0/passport/users/getLoggedInUser?access_token=%s", tk.AccessToken), nil)
 	if err != nil {
@@ -55,14 +56,14 @@ func (p *BaiduProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*Use
 	if err != nil {
 		return nil, err
 	}
-	return &UserInfo{
+	return &provider.UserInfo{
 		Username:       ui.Uname,
 		ProviderUserID: uint(crc32.ChecksumIEEE(stream.StringToBytes(ui.Openid))),
 	}, nil
 }
 
 func init() {
-	registerProvider(new(BaiduProvider))
+	provider.RegisterProvider(new(BaiduProvider))
 }
 
 type baiduProviderUserInfo struct {

internal/provider/providers/gitee.go

@@ -1,10 +1,11 @@
-package provider
+package providers
 
 import (
 	"context"
 	"net/http"
 
 	json "github.com/json-iterator/go"
+	"github.com/synctv-org/synctv/internal/provider"
 	"golang.org/x/oauth2"
 )
 
@@ -12,7 +13,7 @@ type GiteeProvider struct {
 	config oauth2.Config
 }
 
-func (p *GiteeProvider) Init(c Oauth2Option) {
+func (p *GiteeProvider) Init(c provider.Oauth2Option) {
 	p.config.Scopes = []string{"user_info"}
 	p.config.Endpoint = oauth2.Endpoint{
 		AuthURL:  "https://gitee.com/oauth/authorize",
@@ -23,7 +24,7 @@ func (p *GiteeProvider) Init(c Oauth2Option) {
 	p.config.RedirectURL = c.RedirectURL
 }
 
-func (p *GiteeProvider) Provider() OAuth2Provider {
+func (p *GiteeProvider) Provider() provider.OAuth2Provider {
 	return "gitee"
 }
 
@@ -35,7 +36,7 @@ func (p *GiteeProvider) GetToken(ctx context.Context, code string) (*oauth2.Toke
 	return p.config.Exchange(ctx, code)
 }
 
-func (p *GiteeProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*UserInfo, error) {
+func (p *GiteeProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*provider.UserInfo, error) {
 	client := p.config.Client(ctx, tk)
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, "https://gitee.com/api/v5/user", nil)
 	if err != nil {
@@ -51,7 +52,7 @@ func (p *GiteeProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*Use
 	if err != nil {
 		return nil, err
 	}
-	return &UserInfo{
+	return &provider.UserInfo{
 		Username:       ui.Login,
 		ProviderUserID: ui.ID,
 	}, nil
@@ -63,5 +64,5 @@ type giteeUserInfo struct {
 }
 
 func init() {
-	registerProvider(new(GiteeProvider))
+	provider.RegisterProvider(new(GiteeProvider))
 }

internal/provider/providers/github.go

@@ -1,10 +1,11 @@
-package provider
+package providers
 
 import (
 	"context"
 	"net/http"
 
 	json "github.com/json-iterator/go"
+	"github.com/synctv-org/synctv/internal/provider"
 	"golang.org/x/oauth2"
 	"golang.org/x/oauth2/github"
 )
@@ -13,7 +14,7 @@ type GithubProvider struct {
 	config oauth2.Config
 }
 
-func (p *GithubProvider) Init(c Oauth2Option) {
+func (p *GithubProvider) Init(c provider.Oauth2Option) {
 	p.config.Scopes = []string{"user"}
 	p.config.Endpoint = github.Endpoint
 	p.config.ClientID = c.ClientID
@@ -21,7 +22,7 @@ func (p *GithubProvider) Init(c Oauth2Option) {
 	p.config.RedirectURL = c.RedirectURL
 }
 
-func (p *GithubProvider) Provider() OAuth2Provider {
+func (p *GithubProvider) Provider() provider.OAuth2Provider {
 	return "github"
 }
 
@@ -33,7 +34,7 @@ func (p *GithubProvider) GetToken(ctx context.Context, code string) (*oauth2.Tok
 	return p.config.Exchange(ctx, code)
 }
 
-func (p *GithubProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*UserInfo, error) {
+func (p *GithubProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*provider.UserInfo, error) {
 	client := p.config.Client(ctx, tk)
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, "https://api.github.com/user", nil)
 	if err != nil {
@@ -49,7 +50,7 @@ func (p *GithubProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*Us
 	if err != nil {
 		return nil, err
 	}
-	return &UserInfo{
+	return &provider.UserInfo{
 		Username:       ui.Login,
 		ProviderUserID: ui.ID,
 	}, nil
@@ -61,5 +62,5 @@ type githubUserInfo struct {
 }
 
 func init() {
-	registerProvider(new(GithubProvider))
+	provider.RegisterProvider(new(GithubProvider))
 }

internal/provider/providers/gitlab.go

@@ -1,9 +1,10 @@
-package provider
+package providers
 
 import (
 	"context"
 	"net/http"
 
+	"github.com/synctv-org/synctv/internal/provider"
 	"golang.org/x/oauth2"
 	"golang.org/x/oauth2/gitlab"
 )
@@ -12,7 +13,7 @@ type GitlabProvider struct {
 	config oauth2.Config
 }
 
-func (g *GitlabProvider) Init(c Oauth2Option) {
+func (g *GitlabProvider) Init(c provider.Oauth2Option) {
 	g.config.Scopes = []string{"read_user"}
 	g.config.Endpoint = gitlab.Endpoint
 	g.config.ClientID = c.ClientID
@@ -20,7 +21,7 @@ func (g *GitlabProvider) Init(c Oauth2Option) {
 	g.config.RedirectURL = c.RedirectURL
 }
 
-func (g *GitlabProvider) Provider() OAuth2Provider {
+func (g *GitlabProvider) Provider() provider.OAuth2Provider {
 	return "gitlab"
 }
 
@@ -32,7 +33,7 @@ func (g *GitlabProvider) GetToken(ctx context.Context, code string) (*oauth2.Tok
 	return g.config.Exchange(ctx, code)
 }
 
-func (g *GitlabProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*UserInfo, error) {
+func (g *GitlabProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*provider.UserInfo, error) {
 	client := g.config.Client(ctx, tk)
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, "https://gitlab.com/api/v4/user", nil)
 	if err != nil {
@@ -43,9 +44,9 @@ func (g *GitlabProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*Us
 		return nil, err
 	}
 	defer resp.Body.Close()
-	return nil, FormatErrNotImplemented("gitlab")
+	return nil, provider.FormatErrNotImplemented("gitlab")
 }
 
 func init() {
-	registerProvider(new(GitlabProvider))
+	provider.RegisterProvider(new(GitlabProvider))
 }

internal/provider/providers/google.go

@@ -1,10 +1,11 @@
-package provider
+package providers
 
 import (
 	"context"
 	"net/http"
 
 	json "github.com/json-iterator/go"
+	"github.com/synctv-org/synctv/internal/provider"
 	"golang.org/x/oauth2"
 	"golang.org/x/oauth2/google"
 )
@@ -13,7 +14,7 @@ type GoogleProvider struct {
 	config oauth2.Config
 }
 
-func (g *GoogleProvider) Init(c Oauth2Option) {
+func (g *GoogleProvider) Init(c provider.Oauth2Option) {
 	g.config.Scopes = []string{"profile"}
 	g.config.Endpoint = google.Endpoint
 	g.config.ClientID = c.ClientID
@@ -21,7 +22,7 @@ func (g *GoogleProvider) Init(c Oauth2Option) {
 	g.config.RedirectURL = c.RedirectURL
 }
 
-func (g *GoogleProvider) Provider() OAuth2Provider {
+func (g *GoogleProvider) Provider() provider.OAuth2Provider {
 	return "google"
 }
 
@@ -33,7 +34,7 @@ func (g *GoogleProvider) GetToken(ctx context.Context, code string) (*oauth2.Tok
 	return g.config.Exchange(ctx, code)
 }
 
-func (g *GoogleProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*UserInfo, error) {
+func (g *GoogleProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*provider.UserInfo, error) {
 	client := g.config.Client(ctx, tk)
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, "https://www.googleapis.com/oauth2/v2/userinfo", nil)
 	if err != nil {
@@ -49,14 +50,14 @@ func (g *GoogleProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*Us
 	if err != nil {
 		return nil, err
 	}
-	return &UserInfo{
+	return &provider.UserInfo{
 		Username:       ui.Name,
 		ProviderUserID: ui.ID,
 	}, nil
 }
 
 func init() {
-	registerProvider(new(GoogleProvider))
+	provider.RegisterProvider(new(GoogleProvider))
 }
 
 type googleUserInfo struct {

internal/provider/providers/microsoft.go

@@ -1,4 +1,4 @@
-package provider
+package providers
 
 import (
 	"context"
@@ -6,6 +6,7 @@ import (
 	"net/http"
 
 	json "github.com/json-iterator/go"
+	"github.com/synctv-org/synctv/internal/provider"
 	"github.com/zijiren233/stream"
 	"golang.org/x/oauth2"
 	"golang.org/x/oauth2/microsoft"
@@ -15,7 +16,7 @@ type MicrosoftProvider struct {
 	config oauth2.Config
 }
 
-func (p *MicrosoftProvider) Init(c Oauth2Option) {
+func (p *MicrosoftProvider) Init(c provider.Oauth2Option) {
 	p.config.Scopes = []string{"user.read"}
 	p.config.Endpoint = microsoft.LiveConnectEndpoint
 	p.config.ClientID = c.ClientID
@@ -23,7 +24,7 @@ func (p *MicrosoftProvider) Init(c Oauth2Option) {
 	p.config.RedirectURL = c.RedirectURL
 }
 
-func (p *MicrosoftProvider) Provider() OAuth2Provider {
+func (p *MicrosoftProvider) Provider() provider.OAuth2Provider {
 	return "microsoft"
 }
 
@@ -35,7 +36,7 @@ func (p *MicrosoftProvider) GetToken(ctx context.Context, code string) (*oauth2.
 	return p.config.Exchange(ctx, code)
 }
 
-func (p *MicrosoftProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*UserInfo, error) {
+func (p *MicrosoftProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (*provider.UserInfo, error) {
 	client := p.config.Client(ctx, tk)
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, "https://graph.microsoft.com/v1.0/me", nil)
 	if err != nil {
@@ -51,7 +52,7 @@ func (p *MicrosoftProvider) GetUserInfo(ctx context.Context, tk *oauth2.Token) (
 	if err != nil {
 		return nil, err
 	}
-	return &UserInfo{
+	return &provider.UserInfo{
 		Username:       ui.DisplayName,
 		ProviderUserID: uint(crc32.ChecksumIEEE(stream.StringToBytes(ui.ID))),
 	}, nil
@@ -63,5 +64,5 @@ type microsoftUserInfo struct {
 }
 
 func init() {
-	registerProvider(new(MicrosoftProvider))
+	provider.RegisterProvider(new(MicrosoftProvider))
 }

internal/provider/server.go

@@ -0,0 +1,69 @@
+package provider
+
+import (
+	"context"
+	"time"
+
+	providerpb "github.com/synctv-org/synctv/proto/provider"
+	"golang.org/x/oauth2"
+)
+
+type GRPCServer struct {
+	providerpb.UnimplementedOauth2PluginServer
+	Impl ProviderInterface
+}
+
+func (s *GRPCServer) Init(ctx context.Context, req *providerpb.InitReq) (*providerpb.Enpty, error) {
+	s.Impl.Init(Oauth2Option{
+		ClientID:     req.ClientId,
+		ClientSecret: req.ClientSecret,
+		RedirectURL:  req.RedirectUrl,
+	})
+	return &providerpb.Enpty{}, nil
+}
+
+func (s *GRPCServer) Provider(ctx context.Context, req *providerpb.Enpty) (*providerpb.ProviderResp, error) {
+	return &providerpb.ProviderResp{Name: string(s.Impl.Provider())}, nil
+}
+
+func (s *GRPCServer) NewAuthURL(ctx context.Context, req *providerpb.NewAuthURLReq) (*providerpb.NewAuthURLResp, error) {
+	return &providerpb.NewAuthURLResp{Url: s.Impl.NewAuthURL(req.State)}, nil
+}
+
+func (s *GRPCServer) GetToken(ctx context.Context, req *providerpb.GetTokenReq) (*providerpb.Token, error) {
+	token, err := s.Impl.GetToken(ctx, req.Code)
+	if err != nil {
+		return nil, err
+	}
+	return &providerpb.Token{
+		AccessToken:  token.AccessToken,
+		TokenType:    token.TokenType,
+		RefreshToken: token.RefreshToken,
+		Expiry:       token.Expiry.Unix(),
+	}, nil
+}
+
+func (s *GRPCServer) GetUserInfo(ctx context.Context, req *providerpb.GetUserInfoReq) (*providerpb.GetUserInfoResp, error) {
+	userInfo, err := s.Impl.GetUserInfo(ctx, &oauth2.Token{
+		AccessToken:  req.Token.AccessToken,
+		TokenType:    req.Token.TokenType,
+		Expiry:       time.Unix(req.Token.Expiry, 0),
+		RefreshToken: req.Token.RefreshToken,
+	})
+	if err != nil {
+		return nil, err
+	}
+	resp := &providerpb.GetUserInfoResp{
+		Username:       userInfo.Username,
+		ProviderUserId: uint64(userInfo.ProviderUserID),
+	}
+	if userInfo.TokenRefreshed != nil {
+		resp.TokenRefreshed = &providerpb.Token{
+			AccessToken:  userInfo.TokenRefreshed.Token.AccessToken,
+			TokenType:    userInfo.TokenRefreshed.Token.TokenType,
+			RefreshToken: userInfo.TokenRefreshed.Token.RefreshToken,
+			Expiry:       userInfo.TokenRefreshed.Token.Expiry.Unix(),
+		}
+	}
+	return resp, nil
+}