memos/api/v2/auth_service.go
2024-02-21 23:43:18 +08:00

265 lines
9.8 KiB
Go

package v2
import (
"context"
"fmt"
"regexp"
"strings"
"time"
"github.com/pkg/errors"
"golang.org/x/crypto/bcrypt"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/status"
"github.com/usememos/memos/api/auth"
"github.com/usememos/memos/internal/util"
"github.com/usememos/memos/plugin/idp"
"github.com/usememos/memos/plugin/idp/oauth2"
apiv2pb "github.com/usememos/memos/proto/gen/api/v2"
"github.com/usememos/memos/server/service/metric"
"github.com/usememos/memos/store"
)
func (s *APIV2Service) GetAuthStatus(ctx context.Context, _ *apiv2pb.GetAuthStatusRequest) (*apiv2pb.GetAuthStatusResponse, error) {
user, err := getCurrentUser(ctx, s.Store)
if err != nil {
return nil, status.Errorf(codes.Unauthenticated, "failed to get current user: %v", err)
}
if user == nil {
// Set the cookie header to expire access token.
if err := s.clearAccessTokenCookie(ctx); err != nil {
return nil, status.Errorf(codes.Internal, "failed to set grpc header")
}
return nil, status.Errorf(codes.Unauthenticated, "user not found")
}
return &apiv2pb.GetAuthStatusResponse{
User: convertUserFromStore(user),
}, nil
}
func (s *APIV2Service) SignIn(ctx context.Context, request *apiv2pb.SignInRequest) (*apiv2pb.SignInResponse, error) {
user, err := s.Store.GetUser(ctx, &store.FindUser{
Username: &request.Username,
})
if err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to find user by username %s", request.Username))
}
if user == nil {
return nil, status.Errorf(codes.InvalidArgument, fmt.Sprintf("user not found with username %s", request.Username))
} else if user.RowStatus == store.Archived {
return nil, status.Errorf(codes.PermissionDenied, fmt.Sprintf("user has been archived with username %s", request.Username))
}
// Compare the stored hashed password, with the hashed version of the password that was received.
if err := bcrypt.CompareHashAndPassword([]byte(user.PasswordHash), []byte(request.Password)); err != nil {
return nil, status.Errorf(codes.InvalidArgument, "unmatched email and password")
}
expireTime := time.Now().Add(auth.AccessTokenDuration)
if request.NeverExpire {
// Set the expire time to 100 years.
expireTime = time.Now().Add(100 * 365 * 24 * time.Hour)
}
if err := s.doSignIn(ctx, user, expireTime); err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to sign in, err: %s", err))
}
return &apiv2pb.SignInResponse{
User: convertUserFromStore(user),
}, nil
}
func (s *APIV2Service) SignInWithSSO(ctx context.Context, request *apiv2pb.SignInWithSSORequest) (*apiv2pb.SignInWithSSOResponse, error) {
identityProvider, err := s.Store.GetIdentityProvider(ctx, &store.FindIdentityProvider{
ID: &request.IdpId,
})
if err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to get identity provider, err: %s", err))
}
if identityProvider == nil {
return nil, status.Errorf(codes.InvalidArgument, fmt.Sprintf("identity provider not found with id %d", request.IdpId))
}
var userInfo *idp.IdentityProviderUserInfo
if identityProvider.Type == store.IdentityProviderOAuth2Type {
oauth2IdentityProvider, err := oauth2.NewIdentityProvider(identityProvider.Config.OAuth2Config)
if err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to create oauth2 identity provider, err: %s", err))
}
token, err := oauth2IdentityProvider.ExchangeToken(ctx, request.RedirectUri, request.Code)
if err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to exchange token, err: %s", err))
}
userInfo, err = oauth2IdentityProvider.UserInfo(token)
if err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to get user info, err: %s", err))
}
}
identifierFilter := identityProvider.IdentifierFilter
if identifierFilter != "" {
identifierFilterRegex, err := regexp.Compile(identifierFilter)
if err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to compile identifier filter regex, err: %s", err))
}
if !identifierFilterRegex.MatchString(userInfo.Identifier) {
return nil, status.Errorf(codes.PermissionDenied, fmt.Sprintf("identifier %s is not allowed", userInfo.Identifier))
}
}
user, err := s.Store.GetUser(ctx, &store.FindUser{
Username: &userInfo.Identifier,
})
if err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to find user by username %s", userInfo.Identifier))
}
if user == nil {
userCreate := &store.User{
Username: userInfo.Identifier,
// The new signup user should be normal user by default.
Role: store.RoleUser,
Nickname: userInfo.DisplayName,
Email: userInfo.Email,
}
password, err := util.RandomString(20)
if err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to generate random password, err: %s", err))
}
passwordHash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
if err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to generate password hash, err: %s", err))
}
userCreate.PasswordHash = string(passwordHash)
user, err = s.Store.CreateUser(ctx, userCreate)
if err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to create user, err: %s", err))
}
}
if user.RowStatus == store.Archived {
return nil, status.Errorf(codes.PermissionDenied, fmt.Sprintf("user has been archived with username %s", userInfo.Identifier))
}
if err := s.doSignIn(ctx, user, time.Now().Add(auth.AccessTokenDuration)); err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to sign in, err: %s", err))
}
return &apiv2pb.SignInWithSSOResponse{
User: convertUserFromStore(user),
}, nil
}
func (s *APIV2Service) doSignIn(ctx context.Context, user *store.User, expireTime time.Time) error {
accessToken, err := auth.GenerateAccessToken(user.Email, user.ID, expireTime, []byte(s.Secret))
if err != nil {
return status.Errorf(codes.Internal, fmt.Sprintf("failed to generate tokens, err: %s", err))
}
if err := s.UpsertAccessTokenToStore(ctx, user, accessToken, "user login"); err != nil {
return status.Errorf(codes.Internal, fmt.Sprintf("failed to upsert access token to store, err: %s", err))
}
cookie, err := s.buildAccessTokenCookie(ctx, accessToken, expireTime)
if err != nil {
return status.Errorf(codes.Internal, fmt.Sprintf("failed to build access token cookie, err: %s", err))
}
if err := grpc.SetHeader(ctx, metadata.New(map[string]string{
"Set-Cookie": cookie,
})); err != nil {
return status.Errorf(codes.Internal, "failed to set grpc header, error: %v", err)
}
metric.Enqueue("user sign in")
return nil
}
func (s *APIV2Service) SignUp(ctx context.Context, request *apiv2pb.SignUpRequest) (*apiv2pb.SignUpResponse, error) {
workspaceGeneralSetting, err := s.Store.GetWorkspaceGeneralSetting(ctx)
if err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to get workspace setting, err: %s", err))
}
if workspaceGeneralSetting.DisallowSignup || workspaceGeneralSetting.DisallowPasswordLogin {
return nil, status.Errorf(codes.PermissionDenied, "sign up is not allowed")
}
passwordHash, err := bcrypt.GenerateFromPassword([]byte(request.Password), bcrypt.DefaultCost)
if err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to generate password hash, err: %s", err))
}
create := &store.User{
Username: request.Username,
Nickname: request.Username,
PasswordHash: string(passwordHash),
}
hostUserType := store.RoleHost
existedHostUsers, err := s.Store.ListUsers(ctx, &store.FindUser{
Role: &hostUserType,
})
if err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to list users, err: %s", err))
}
if len(existedHostUsers) == 0 {
// Change the default role to host if there is no host user.
create.Role = store.RoleHost
} else {
create.Role = store.RoleUser
}
user, err := s.Store.CreateUser(ctx, create)
if err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to create user, err: %s", err))
}
if err := s.doSignIn(ctx, user, time.Now().Add(auth.AccessTokenDuration)); err != nil {
return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to sign in, err: %s", err))
}
metric.Enqueue("user sign up")
return &apiv2pb.SignUpResponse{
User: convertUserFromStore(user),
}, nil
}
func (s *APIV2Service) SignOut(ctx context.Context, _ *apiv2pb.SignOutRequest) (*apiv2pb.SignOutResponse, error) {
if err := s.clearAccessTokenCookie(ctx); err != nil {
return nil, status.Errorf(codes.Internal, "failed to set grpc header, error: %v", err)
}
return &apiv2pb.SignOutResponse{}, nil
}
func (s *APIV2Service) clearAccessTokenCookie(ctx context.Context) error {
cookie, err := s.buildAccessTokenCookie(ctx, "", time.Time{})
if err != nil {
return errors.Wrap(err, "failed to build access token cookie")
}
if err := grpc.SetHeader(ctx, metadata.New(map[string]string{
"Set-Cookie": cookie,
})); err != nil {
return errors.Wrap(err, "failed to set grpc header")
}
return nil
}
func (s *APIV2Service) buildAccessTokenCookie(ctx context.Context, accessToken string, expireTime time.Time) (string, error) {
attrs := []string{
fmt.Sprintf("%s=%s", auth.AccessTokenCookieName, accessToken),
"Path=/",
"HttpOnly",
}
if expireTime.IsZero() {
attrs = append(attrs, "Expires=Thu, 01 Jan 1970 00:00:00 GMT")
} else {
attrs = append(attrs, "Expires="+expireTime.Format(time.RFC1123))
}
workspaceGeneralSetting, err := s.Store.GetWorkspaceGeneralSetting(ctx)
if err != nil {
return "", errors.Wrap(err, "failed to get workspace setting")
}
if strings.HasPrefix(workspaceGeneralSetting.InstanceUrl, "https://") {
attrs = append(attrs, "SameSite=None")
attrs = append(attrs, "Secure")
} else {
attrs = append(attrs, "SameSite=Strict")
}
return strings.Join(attrs, "; "), nil
}