mirror of
https://github.com/usememos/memos.git
synced 2024-12-24 11:44:44 +03:00
319 lines
10 KiB
Go
319 lines
10 KiB
Go
package v2
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import (
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"context"
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"net/http"
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"regexp"
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"strings"
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"time"
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"github.com/golang-jwt/jwt/v4"
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"github.com/labstack/echo/v4"
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"github.com/pkg/errors"
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"golang.org/x/crypto/bcrypt"
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"golang.org/x/exp/slices"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"google.golang.org/protobuf/types/known/timestamppb"
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"github.com/usememos/memos/api/auth"
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apiv2pb "github.com/usememos/memos/proto/gen/api/v2"
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storepb "github.com/usememos/memos/proto/gen/store"
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"github.com/usememos/memos/store"
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)
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var (
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usernameMatcher = regexp.MustCompile("^[a-z]([a-z0-9-]{2,30}[a-z0-9])?$")
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)
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type UserService struct {
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apiv2pb.UnimplementedUserServiceServer
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Store *store.Store
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Secret string
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}
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// NewUserService creates a new UserService.
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func NewUserService(store *store.Store, secret string) *UserService {
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return &UserService{
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Store: store,
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Secret: secret,
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}
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}
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func (s *UserService) GetUser(ctx context.Context, request *apiv2pb.GetUserRequest) (*apiv2pb.GetUserResponse, error) {
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user, err := s.Store.GetUser(ctx, &store.FindUser{
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Username: &request.Username,
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})
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if err != nil {
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return nil, status.Errorf(codes.Internal, "failed to get user: %v", err)
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}
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if user == nil {
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return nil, status.Errorf(codes.NotFound, "user not found")
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}
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userMessage := convertUserFromStore(user)
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response := &apiv2pb.GetUserResponse{
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User: userMessage,
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}
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return response, nil
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}
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func (s *UserService) UpdateUser(ctx context.Context, request *apiv2pb.UpdateUserRequest) (*apiv2pb.UpdateUserResponse, error) {
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currentUser, err := getCurrentUser(ctx, s.Store)
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if err != nil {
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return nil, status.Errorf(codes.Internal, "failed to get user: %v", err)
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}
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if currentUser.Username != request.Username && currentUser.Role != store.RoleAdmin {
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return nil, status.Errorf(codes.PermissionDenied, "permission denied")
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}
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if request.UpdateMask == nil || len(request.UpdateMask) == 0 {
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return nil, status.Errorf(codes.InvalidArgument, "update mask is empty")
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}
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currentTs := time.Now().Unix()
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update := &store.UpdateUser{
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ID: currentUser.ID,
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UpdatedTs: ¤tTs,
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}
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for _, path := range request.UpdateMask {
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if path == "username" {
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if !usernameMatcher.MatchString(strings.ToLower(request.User.Username)) {
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return nil, status.Errorf(codes.InvalidArgument, "invalid username: %s", request.User.Username)
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}
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update.Username = &request.User.Username
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} else if path == "nickname" {
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update.Nickname = &request.User.Nickname
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} else if path == "email" {
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update.Email = &request.User.Email
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} else if path == "avatar_url" {
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update.AvatarURL = &request.User.AvatarUrl
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} else if path == "role" {
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role := convertUserRoleToStore(request.User.Role)
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update.Role = &role
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} else if path == "password" {
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passwordHash, err := bcrypt.GenerateFromPassword([]byte(request.User.Password), bcrypt.DefaultCost)
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if err != nil {
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return nil, echo.NewHTTPError(http.StatusInternalServerError, "failed to generate password hash").SetInternal(err)
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}
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passwordHashStr := string(passwordHash)
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update.PasswordHash = &passwordHashStr
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} else if path == "row_status" {
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rowStatus := convertRowStatusToStore(request.User.RowStatus)
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update.RowStatus = &rowStatus
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} else {
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return nil, status.Errorf(codes.InvalidArgument, "invalid update path: %s", path)
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}
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}
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user, err := s.Store.UpdateUser(ctx, update)
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if err != nil {
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return nil, status.Errorf(codes.Internal, "failed to update user: %v", err)
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}
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response := &apiv2pb.UpdateUserResponse{
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User: convertUserFromStore(user),
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}
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return response, nil
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}
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func (s *UserService) ListUserAccessTokens(ctx context.Context, request *apiv2pb.ListUserAccessTokensRequest) (*apiv2pb.ListUserAccessTokensResponse, error) {
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user, err := getCurrentUser(ctx, s.Store)
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if err != nil {
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return nil, status.Errorf(codes.Internal, "failed to get current user: %v", err)
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}
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if user == nil || user.Username != request.Username {
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return nil, status.Errorf(codes.PermissionDenied, "permission denied")
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}
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userAccessTokens, err := s.Store.GetUserAccessTokens(ctx, user.ID)
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if err != nil {
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return nil, status.Errorf(codes.Internal, "failed to list access tokens: %v", err)
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}
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accessTokens := []*apiv2pb.UserAccessToken{}
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for _, userAccessToken := range userAccessTokens {
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claims := &auth.ClaimsMessage{}
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_, err := jwt.ParseWithClaims(userAccessToken.AccessToken, claims, func(t *jwt.Token) (any, error) {
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if t.Method.Alg() != jwt.SigningMethodHS256.Name {
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return nil, errors.Errorf("unexpected access token signing method=%v, expect %v", t.Header["alg"], jwt.SigningMethodHS256)
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}
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if kid, ok := t.Header["kid"].(string); ok {
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if kid == "v1" {
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return []byte(s.Secret), nil
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}
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}
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return nil, errors.Errorf("unexpected access token kid=%v", t.Header["kid"])
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})
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if err != nil {
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// If the access token is invalid or expired, just ignore it.
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continue
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}
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userAccessToken := &apiv2pb.UserAccessToken{
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AccessToken: userAccessToken.AccessToken,
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Description: userAccessToken.Description,
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IssuedAt: timestamppb.New(claims.IssuedAt.Time),
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}
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if claims.ExpiresAt != nil {
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userAccessToken.ExpiresAt = timestamppb.New(claims.ExpiresAt.Time)
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}
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accessTokens = append(accessTokens, userAccessToken)
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}
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// Sort by issued time in descending order.
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slices.SortFunc(accessTokens, func(i, j *apiv2pb.UserAccessToken) bool {
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return i.IssuedAt.Seconds > j.IssuedAt.Seconds
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})
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response := &apiv2pb.ListUserAccessTokensResponse{
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AccessTokens: accessTokens,
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}
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return response, nil
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}
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func (s *UserService) CreateUserAccessToken(ctx context.Context, request *apiv2pb.CreateUserAccessTokenRequest) (*apiv2pb.CreateUserAccessTokenResponse, error) {
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user, err := getCurrentUser(ctx, s.Store)
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if err != nil {
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return nil, status.Errorf(codes.Internal, "failed to get current user: %v", err)
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}
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expiresAt := time.Time{}
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if request.ExpiresAt != nil {
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expiresAt = request.ExpiresAt.AsTime()
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}
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accessToken, err := auth.GenerateAccessToken(user.Username, user.ID, expiresAt, []byte(s.Secret))
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if err != nil {
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return nil, status.Errorf(codes.Internal, "failed to generate access token: %v", err)
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}
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claims := &auth.ClaimsMessage{}
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_, err = jwt.ParseWithClaims(accessToken, claims, func(t *jwt.Token) (any, error) {
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if t.Method.Alg() != jwt.SigningMethodHS256.Name {
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return nil, errors.Errorf("unexpected access token signing method=%v, expect %v", t.Header["alg"], jwt.SigningMethodHS256)
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}
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if kid, ok := t.Header["kid"].(string); ok {
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if kid == "v1" {
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return []byte(s.Secret), nil
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}
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}
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return nil, errors.Errorf("unexpected access token kid=%v", t.Header["kid"])
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})
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if err != nil {
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return nil, status.Errorf(codes.Internal, "failed to parse access token: %v", err)
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}
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// Upsert the access token to user setting store.
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if err := s.UpsertAccessTokenToStore(ctx, user, accessToken, request.Description); err != nil {
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return nil, status.Errorf(codes.Internal, "failed to upsert access token to store: %v", err)
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}
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userAccessToken := &apiv2pb.UserAccessToken{
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AccessToken: accessToken,
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Description: request.Description,
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IssuedAt: timestamppb.New(claims.IssuedAt.Time),
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}
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if claims.ExpiresAt != nil {
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userAccessToken.ExpiresAt = timestamppb.New(claims.ExpiresAt.Time)
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}
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response := &apiv2pb.CreateUserAccessTokenResponse{
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AccessToken: userAccessToken,
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}
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return response, nil
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}
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func (s *UserService) DeleteUserAccessToken(ctx context.Context, request *apiv2pb.DeleteUserAccessTokenRequest) (*apiv2pb.DeleteUserAccessTokenResponse, error) {
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user, err := getCurrentUser(ctx, s.Store)
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if err != nil {
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return nil, status.Errorf(codes.Internal, "failed to get current user: %v", err)
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}
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userAccessTokens, err := s.Store.GetUserAccessTokens(ctx, user.ID)
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if err != nil {
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return nil, status.Errorf(codes.Internal, "failed to list access tokens: %v", err)
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}
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updatedUserAccessTokens := []*storepb.AccessTokensUserSetting_AccessToken{}
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for _, userAccessToken := range userAccessTokens {
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if userAccessToken.AccessToken == request.AccessToken {
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continue
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}
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updatedUserAccessTokens = append(updatedUserAccessTokens, userAccessToken)
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}
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if _, err := s.Store.UpsertUserSettingV1(ctx, &storepb.UserSetting{
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UserId: user.ID,
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Key: storepb.UserSettingKey_USER_SETTING_ACCESS_TOKENS,
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Value: &storepb.UserSetting_AccessTokens{
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AccessTokens: &storepb.AccessTokensUserSetting{
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AccessTokens: updatedUserAccessTokens,
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},
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},
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}); err != nil {
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return nil, status.Errorf(codes.Internal, "failed to upsert user setting: %v", err)
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}
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return &apiv2pb.DeleteUserAccessTokenResponse{}, nil
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}
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func (s *UserService) UpsertAccessTokenToStore(ctx context.Context, user *store.User, accessToken, description string) error {
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userAccessTokens, err := s.Store.GetUserAccessTokens(ctx, user.ID)
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if err != nil {
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return errors.Wrap(err, "failed to get user access tokens")
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}
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userAccessToken := storepb.AccessTokensUserSetting_AccessToken{
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AccessToken: accessToken,
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Description: description,
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}
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userAccessTokens = append(userAccessTokens, &userAccessToken)
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if _, err := s.Store.UpsertUserSettingV1(ctx, &storepb.UserSetting{
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UserId: user.ID,
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Key: storepb.UserSettingKey_USER_SETTING_ACCESS_TOKENS,
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Value: &storepb.UserSetting_AccessTokens{
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AccessTokens: &storepb.AccessTokensUserSetting{
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AccessTokens: userAccessTokens,
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},
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},
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}); err != nil {
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return errors.Wrap(err, "failed to upsert user setting")
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}
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return nil
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}
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func convertUserFromStore(user *store.User) *apiv2pb.User {
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return &apiv2pb.User{
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Id: int32(user.ID),
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RowStatus: convertRowStatusFromStore(user.RowStatus),
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CreateTime: timestamppb.New(time.Unix(user.CreatedTs, 0)),
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UpdateTime: timestamppb.New(time.Unix(user.UpdatedTs, 0)),
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Username: user.Username,
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Role: convertUserRoleFromStore(user.Role),
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Email: user.Email,
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Nickname: user.Nickname,
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AvatarUrl: user.AvatarURL,
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}
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}
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func convertUserRoleFromStore(role store.Role) apiv2pb.User_Role {
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switch role {
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case store.RoleHost:
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return apiv2pb.User_HOST
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case store.RoleAdmin:
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return apiv2pb.User_ADMIN
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case store.RoleUser:
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return apiv2pb.User_USER
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default:
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return apiv2pb.User_ROLE_UNSPECIFIED
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}
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}
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func convertUserRoleToStore(role apiv2pb.User_Role) store.Role {
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switch role {
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case apiv2pb.User_HOST:
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return store.RoleHost
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case apiv2pb.User_ADMIN:
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return store.RoleAdmin
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case apiv2pb.User_USER:
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return store.RoleUser
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default:
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return store.RoleUser
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}
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}
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