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api_link.go
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/
api_link.go
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// Copyright 2018 The Nakama Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package server
import (
"strconv"
"strings"
"github.com/cockroachdb/cockroach-go/crdb"
"github.com/golang/protobuf/ptypes/empty"
"github.com/heroiclabs/nakama/api"
"github.com/lib/pq"
"github.com/satori/go.uuid"
"go.uber.org/zap"
"golang.org/x/crypto/bcrypt"
"golang.org/x/net/context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func (s *ApiServer) LinkCustom(ctx context.Context, in *api.AccountCustom) (*empty.Empty, error) {
customID := in.Id
if customID == "" {
return nil, status.Error(codes.InvalidArgument, "Custom ID is required.")
} else if invalidCharsRegex.MatchString(customID) {
return nil, status.Error(codes.InvalidArgument, "Invalid custom ID, no spaces or control characters allowed.")
} else if len(customID) < 6 || len(customID) > 128 {
return nil, status.Error(codes.InvalidArgument, "Invalid custom ID, must be 6-128 bytes.")
}
userID := ctx.Value(ctxUserIDKey{})
res, err := s.db.Exec(`
UPDATE users
SET custom_id = $2, update_time = now()
WHERE (id = $1)
AND (NOT EXISTS
(SELECT id
FROM users
WHERE custom_id = $2 AND NOT id = $1))`,
userID,
customID)
if err != nil {
s.logger.Error("Could not link custom ID.", zap.Error(err), zap.Any("input", in))
return nil, status.Error(codes.Internal, "Error while trying to link Custom ID.")
} else if count, _ := res.RowsAffected(); count == 0 {
return nil, status.Error(codes.AlreadyExists, "Custom ID is already in use.")
}
return &empty.Empty{}, nil
}
func (s *ApiServer) LinkDevice(ctx context.Context, in *api.AccountDevice) (*empty.Empty, error) {
deviceID := in.Id
if deviceID == "" {
return nil, status.Error(codes.InvalidArgument, "Device ID is required.")
} else if invalidCharsRegex.MatchString(deviceID) {
return nil, status.Error(codes.InvalidArgument, "Device ID invalid, no spaces or control characters allowed.")
} else if len(deviceID) < 10 || len(deviceID) > 128 {
return nil, status.Error(codes.InvalidArgument, "Device ID invalid, must be 10-128 bytes.")
}
tx, err := s.db.Begin()
if err != nil {
s.logger.Error("Could not begin database transaction.", zap.Error(err))
return nil, status.Error(codes.Internal, "Error linking Device ID.")
}
err = crdb.ExecuteInTx(ctx, tx, func() error {
userID := ctx.Value(ctxUserIDKey{})
var dbDeviceIdLinkedUser int64
err := tx.QueryRow("SELECT COUNT(id) FROM user_device WHERE id = $1 AND user_id = $2 LIMIT 1", deviceID, userID).Scan(&dbDeviceIdLinkedUser)
if err != nil {
s.logger.Debug("Cannot link device ID.", zap.Error(err), zap.Any("input", in))
return err
}
if dbDeviceIdLinkedUser == 0 {
_, err = tx.Exec("INSERT INTO user_device (id, user_id) VALUES ($1, $2)", deviceID, userID)
if err != nil {
if e, ok := err.(*pq.Error); ok && e.Code == dbErrorUniqueViolation {
return StatusError(codes.AlreadyExists, "Device ID already in use.", err)
}
s.logger.Debug("Cannot link device ID.", zap.Error(err), zap.Any("input", in))
return err
}
}
_, err = tx.Exec("UPDATE users SET update_time = now() WHERE id = $1", userID)
if err != nil {
s.logger.Debug("Cannot update users table while linking.", zap.Error(err), zap.Any("input", in))
return err
}
return nil
})
if err != nil {
if e, ok := err.(*statusError); ok {
return nil, e.Status()
}
s.logger.Error("Error in database transaction.", zap.Error(err))
return nil, status.Error(codes.Internal, "Error linking Device ID.")
}
return &empty.Empty{}, nil
}
func (s *ApiServer) LinkEmail(ctx context.Context, in *api.AccountEmail) (*empty.Empty, error) {
if in.Email == "" || in.Password == "" {
return nil, status.Error(codes.InvalidArgument, "Email address and password is required.")
} else if invalidCharsRegex.MatchString(in.Email) {
return nil, status.Error(codes.InvalidArgument, "Invalid email address, no spaces or control characters allowed.")
} else if len(in.Password) < 8 {
return nil, status.Error(codes.InvalidArgument, "Password must be longer than 8 characters.")
} else if !emailRegex.MatchString(in.Email) {
return nil, status.Error(codes.InvalidArgument, "Invalid email address format.")
} else if len(in.Email) < 10 || len(in.Email) > 255 {
return nil, status.Error(codes.InvalidArgument, "Invalid email address, must be 10-255 bytes.")
}
cleanEmail := strings.ToLower(in.Email)
hashedPassword, _ := bcrypt.GenerateFromPassword([]byte(in.Password), bcrypt.DefaultCost)
userID := ctx.Value(ctxUserIDKey{})
res, err := s.db.Exec(`
UPDATE users
SET email = $2, password = $3, update_time = now()
WHERE (id = $1)
AND (NOT EXISTS
(SELECT id
FROM users
WHERE email = $2 AND NOT id = $1))`,
userID,
cleanEmail,
hashedPassword)
if err != nil {
s.logger.Error("Could not link email.", zap.Error(err), zap.Any("input", in))
return nil, status.Error(codes.Internal, "Error while trying to link email.")
} else if count, _ := res.RowsAffected(); count == 0 {
return nil, status.Error(codes.AlreadyExists, "Email is already in use.")
}
return &empty.Empty{}, nil
}
func (s *ApiServer) LinkFacebook(ctx context.Context, in *api.LinkFacebookRequest) (*empty.Empty, error) {
if in.Account == nil || in.Account.Token == "" {
return nil, status.Error(codes.InvalidArgument, "Facebook access token is required.")
}
facebookProfile, err := s.socialClient.GetFacebookProfile(in.Account.Token)
if err != nil {
s.logger.Info("Could not authenticate Facebook profile.", zap.Error(err))
return nil, status.Error(codes.Unauthenticated, "Could not authenticate Facebook profile.")
}
userID := ctx.Value(ctxUserIDKey{})
res, err := s.db.Exec(`
UPDATE users
SET facebook_id = $2, update_time = now()
WHERE (id = $1)
AND (NOT EXISTS
(SELECT id
FROM users
WHERE facebook_id = $2 AND NOT id = $1))`,
userID,
facebookProfile.ID)
if err != nil {
s.logger.Error("Could not link Facebook ID.", zap.Error(err), zap.Any("input", in))
return nil, status.Error(codes.Internal, "Error while trying to link Facebook ID.")
} else if count, _ := res.RowsAffected(); count == 0 {
return nil, status.Error(codes.AlreadyExists, "Facebook ID is already in use.")
}
// Import friends if requested.
if in.Import == nil || in.Import.Value {
importFacebookFriends(s.logger, s.db, s.router, s.socialClient, userID.(uuid.UUID), ctx.Value(ctxUsernameKey{}).(string), in.Account.Token, false)
}
return &empty.Empty{}, nil
}
func (s *ApiServer) LinkGameCenter(ctx context.Context, in *api.AccountGameCenter) (*empty.Empty, error) {
if in.BundleId == "" {
return nil, status.Error(codes.InvalidArgument, "GameCenter bundle ID is required.")
} else if in.PlayerId == "" {
return nil, status.Error(codes.InvalidArgument, "GameCenter player ID is required.")
} else if in.PublicKeyUrl == "" {
return nil, status.Error(codes.InvalidArgument, "GameCenter public key URL is required.")
} else if in.Salt == "" {
return nil, status.Error(codes.InvalidArgument, "GameCenter salt is required.")
} else if in.Signature == "" {
return nil, status.Error(codes.InvalidArgument, "GameCenter signature is required.")
} else if in.TimestampSeconds == 0 {
return nil, status.Error(codes.InvalidArgument, "GameCenter timestamp is required.")
}
valid, err := s.socialClient.CheckGameCenterID(in.PlayerId, in.BundleId, in.TimestampSeconds, in.Salt, in.Signature, in.PublicKeyUrl)
if !valid || err != nil {
s.logger.Info("Could not authenticate GameCenter profile.", zap.Error(err), zap.Bool("valid", valid))
return nil, status.Error(codes.Unauthenticated, "Could not authenticate GameCenter profile.")
}
userID := ctx.Value(ctxUserIDKey{})
res, err := s.db.Exec(`
UPDATE users
SET gamecenter_id = $2, update_time = now()
WHERE (id = $1)
AND (NOT EXISTS
(SELECT id
FROM users
WHERE gamecenter_id = $2 AND NOT id = $1))`,
userID,
in.PlayerId)
if err != nil {
s.logger.Error("Could not link GameCenter ID.", zap.Error(err), zap.Any("input", in))
return nil, status.Error(codes.Internal, "Error while trying to link GameCenter ID.")
} else if count, _ := res.RowsAffected(); count == 0 {
return nil, status.Error(codes.AlreadyExists, "GameCenter ID is already in use.")
}
return &empty.Empty{}, nil
}
func (s *ApiServer) LinkGoogle(ctx context.Context, in *api.AccountGoogle) (*empty.Empty, error) {
if in.Token == "" {
return nil, status.Error(codes.InvalidArgument, "Google access token is required.")
}
googleProfile, err := s.socialClient.CheckGoogleToken(in.Token)
if err != nil {
s.logger.Info("Could not authenticate Google profile.", zap.Error(err))
return nil, status.Error(codes.Unauthenticated, "Could not authenticate Google profile.")
}
userID := ctx.Value(ctxUserIDKey{})
res, err := s.db.Exec(`
UPDATE users
SET google_id = $2, update_time = now()
WHERE (id = $1)
AND (NOT EXISTS
(SELECT id
FROM users
WHERE google_id = $2 AND NOT id = $1))`,
userID,
googleProfile.Sub)
if err != nil {
s.logger.Error("Could not link Google ID.", zap.Error(err), zap.Any("input", in))
return nil, status.Error(codes.Internal, "Error while trying to link Google ID.")
} else if count, _ := res.RowsAffected(); count == 0 {
return nil, status.Error(codes.AlreadyExists, "Google ID is already in use.")
}
return &empty.Empty{}, nil
}
func (s *ApiServer) LinkSteam(ctx context.Context, in *api.AccountSteam) (*empty.Empty, error) {
if s.config.GetSocial().Steam.PublisherKey == "" || s.config.GetSocial().Steam.AppID == 0 {
return nil, status.Error(codes.FailedPrecondition, "Steam authentication is not configured.")
}
if in.Token == "" {
return nil, status.Error(codes.InvalidArgument, "Steam access token is required.")
}
steamProfile, err := s.socialClient.GetSteamProfile(s.config.GetSocial().Steam.PublisherKey, s.config.GetSocial().Steam.AppID, in.Token)
if err != nil {
s.logger.Info("Could not authenticate Steam profile.", zap.Error(err))
return nil, status.Error(codes.Unauthenticated, "Could not authenticate Steam profile.")
}
userID := ctx.Value(ctxUserIDKey{})
res, err := s.db.Exec(`
UPDATE users
SET steam_id = $2, update_time = now()
WHERE (id = $1)
AND (NOT EXISTS
(SELECT id
FROM users
WHERE steam_id = $2 AND NOT id = $1))`,
userID,
strconv.FormatUint(steamProfile.SteamID, 10))
if err != nil {
s.logger.Error("Could not link Steam ID.", zap.Error(err), zap.Any("input", in))
return nil, status.Error(codes.Internal, "Error while trying to link Steam ID.")
} else if count, _ := res.RowsAffected(); count == 0 {
return nil, status.Error(codes.AlreadyExists, "Steam ID is already in use.")
}
return &empty.Empty{}, nil
}