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api_unlink.go
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api_unlink.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 (
"github.com/cockroachdb/cockroach-go/crdb"
"github.com/gofrs/uuid"
"github.com/golang/protobuf/ptypes/empty"
"github.com/heroiclabs/nakama/api"
"go.uber.org/zap"
"golang.org/x/net/context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"strconv"
"strings"
)
func (s *ApiServer) UnlinkCustom(ctx context.Context, in *api.AccountCustom) (*empty.Empty, error) {
userID := ctx.Value(ctxUserIDKey{})
// Before hook.
if fn := s.runtime.BeforeUnlinkCustom(); fn != nil {
beforeFn := func(clientIP, clientPort string) error {
result, err, code := fn(ctx, s.logger, userID.(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, in)
if err != nil {
return status.Error(code, err.Error())
}
if result == nil {
// If result is nil, requested resource is disabled.
s.logger.Warn("Intercepted a disabled resource.", zap.Any("resource", ctx.Value(ctxFullMethodKey{}).(string)), zap.String("uid", userID.(uuid.UUID).String()))
return status.Error(codes.NotFound, "Requested resource was not found.")
}
in = result
return nil
}
// Execute the before function lambda wrapped in a trace for stats measurement.
err := traceApiBefore(ctx, s.logger, ctx.Value(ctxFullMethodKey{}).(string), beforeFn)
if err != nil {
return nil, err
}
}
if in.GetId() == "" {
return nil, status.Error(codes.InvalidArgument, "An ID must be supplied.")
}
query := `UPDATE users SET custom_id = NULL, update_time = now()
WHERE id = $1
AND custom_id = $2
AND ((facebook_id IS NOT NULL
OR google_id IS NOT NULL
OR gamecenter_id IS NOT NULL
OR steam_id IS NOT NULL
OR email IS NOT NULL)
OR
EXISTS (SELECT id FROM user_device WHERE user_id = $1 LIMIT 1))`
res, err := s.db.ExecContext(ctx, query, userID, in.Id)
if err != nil {
s.logger.Error("Could not unlink custom ID.", zap.Error(err), zap.Any("input", in))
return nil, status.Error(codes.Internal, "Error while trying to unlink custom ID.")
} else if count, _ := res.RowsAffected(); count == 0 {
return nil, status.Error(codes.PermissionDenied, "Cannot unlink last account identifier. Check profile exists and is not last link.")
}
// After hook.
if fn := s.runtime.AfterUnlinkCustom(); fn != nil {
afterFn := func(clientIP, clientPort string) {
fn(ctx, s.logger, userID.(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, in)
}
// Execute the after function lambda wrapped in a trace for stats measurement.
traceApiAfter(ctx, s.logger, ctx.Value(ctxFullMethodKey{}).(string), afterFn)
}
return &empty.Empty{}, nil
}
func (s *ApiServer) UnlinkDevice(ctx context.Context, in *api.AccountDevice) (*empty.Empty, error) {
userID := ctx.Value(ctxUserIDKey{})
// Before hook.
if fn := s.runtime.BeforeUnlinkDevice(); fn != nil {
beforeFn := func(clientIP, clientPort string) error {
result, err, code := fn(ctx, s.logger, userID.(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, in)
if err != nil {
return status.Error(code, err.Error())
}
if result == nil {
// If result is nil, requested resource is disabled.
s.logger.Warn("Intercepted a disabled resource.", zap.Any("resource", ctx.Value(ctxFullMethodKey{}).(string)), zap.String("uid", userID.(uuid.UUID).String()))
return status.Error(codes.NotFound, "Requested resource was not found.")
}
in = result
return nil
}
// Execute the before function lambda wrapped in a trace for stats measurement.
err := traceApiBefore(ctx, s.logger, ctx.Value(ctxFullMethodKey{}).(string), beforeFn)
if err != nil {
return nil, err
}
}
if in.GetId() == "" {
return nil, status.Error(codes.InvalidArgument, "A device ID must be supplied.")
}
tx, err := s.db.BeginTx(ctx, nil)
if err != nil {
s.logger.Error("Could not begin database transaction.", zap.Error(err))
return nil, status.Error(codes.Internal, "Could not unlink Device ID.")
}
err = crdb.ExecuteInTx(ctx, tx, func() error {
query := `DELETE FROM user_device WHERE id = $2 AND user_id = $1
AND (EXISTS (SELECT id FROM users WHERE id = $1 AND
(facebook_id IS NOT NULL
OR google_id IS NOT NULL
OR gamecenter_id IS NOT NULL
OR steam_id IS NOT NULL
OR email IS NOT NULL
OR custom_id IS NOT NULL))
OR EXISTS (SELECT id FROM user_device WHERE user_id = $1 AND id <> $2 LIMIT 1))`
res, err := tx.ExecContext(ctx, query, userID, in.Id)
if err != nil {
s.logger.Debug("Could not unlink device ID.", zap.Error(err), zap.Any("input", in))
return err
}
if count, _ := res.RowsAffected(); count == 0 {
return StatusError(codes.PermissionDenied, "Cannot unlink last account identifier. Check profile exists and is not last link.", ErrRowsAffectedCount)
}
res, err = tx.ExecContext(ctx, "UPDATE users SET update_time = now() WHERE id = $1", userID)
if err != nil {
s.logger.Debug("Could not unlink device ID.", zap.Error(err), zap.Any("input", in))
return err
}
if count, _ := res.RowsAffected(); count == 0 {
return StatusError(codes.PermissionDenied, "Cannot unlink last account identifier. Check profile exists and is not last link.", ErrRowsAffectedCount)
}
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, "Could not unlink device ID.")
}
// After hook.
if fn := s.runtime.AfterUnlinkDevice(); fn != nil {
afterFn := func(clientIP, clientPort string) {
fn(ctx, s.logger, userID.(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, in)
}
// Execute the after function lambda wrapped in a trace for stats measurement.
traceApiAfter(ctx, s.logger, ctx.Value(ctxFullMethodKey{}).(string), afterFn)
}
return &empty.Empty{}, nil
}
func (s *ApiServer) UnlinkEmail(ctx context.Context, in *api.AccountEmail) (*empty.Empty, error) {
userID := ctx.Value(ctxUserIDKey{})
// Before hook.
if fn := s.runtime.BeforeUnlinkEmail(); fn != nil {
beforeFn := func(clientIP, clientPort string) error {
result, err, code := fn(ctx, s.logger, userID.(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, in)
if err != nil {
return status.Error(code, err.Error())
}
if result == nil {
// If result is nil, requested resource is disabled.
s.logger.Warn("Intercepted a disabled resource.", zap.Any("resource", ctx.Value(ctxFullMethodKey{}).(string)), zap.String("uid", userID.(uuid.UUID).String()))
return status.Error(codes.NotFound, "Requested resource was not found.")
}
in = result
return nil
}
// Execute the before function lambda wrapped in a trace for stats measurement.
err := traceApiBefore(ctx, s.logger, ctx.Value(ctxFullMethodKey{}).(string), beforeFn)
if err != nil {
return nil, err
}
}
if in.GetEmail() == "" || in.GetPassword() == "" {
return nil, status.Error(codes.InvalidArgument, "Both email and password must be supplied.")
}
query := `UPDATE users SET email = NULL, password = NULL, update_time = now()
WHERE id = $1
AND email = $2
AND ((facebook_id IS NOT NULL
OR google_id IS NOT NULL
OR gamecenter_id IS NOT NULL
OR steam_id IS NOT NULL
OR custom_id IS NOT NULL)
OR
EXISTS (SELECT id FROM user_device WHERE user_id = $1 LIMIT 1))`
cleanEmail := strings.ToLower(in.Email)
res, err := s.db.ExecContext(ctx, query, userID, cleanEmail)
if err != nil {
s.logger.Error("Could not unlink email.", zap.Error(err), zap.Any("input", in))
return nil, status.Error(codes.Internal, "Error while trying to unlink email.")
} else if count, _ := res.RowsAffected(); count == 0 {
return nil, status.Error(codes.PermissionDenied, "Cannot unlink last account identifier. Check profile exists and is not last link.")
}
// After hook.
if fn := s.runtime.AfterUnlinkEmail(); fn != nil {
afterFn := func(clientIP, clientPort string) {
fn(ctx, s.logger, userID.(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, in)
}
// Execute the after function lambda wrapped in a trace for stats measurement.
traceApiAfter(ctx, s.logger, ctx.Value(ctxFullMethodKey{}).(string), afterFn)
}
return &empty.Empty{}, nil
}
func (s *ApiServer) UnlinkFacebook(ctx context.Context, in *api.AccountFacebook) (*empty.Empty, error) {
userID := ctx.Value(ctxUserIDKey{})
// Before hook.
if fn := s.runtime.BeforeUnlinkFacebook(); fn != nil {
beforeFn := func(clientIP, clientPort string) error {
result, err, code := fn(ctx, s.logger, userID.(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, in)
if err != nil {
return status.Error(code, err.Error())
}
if result == nil {
// If result is nil, requested resource is disabled.
s.logger.Warn("Intercepted a disabled resource.", zap.Any("resource", ctx.Value(ctxFullMethodKey{}).(string)), zap.String("uid", userID.(uuid.UUID).String()))
return status.Error(codes.NotFound, "Requested resource was not found.")
}
in = result
return nil
}
// Execute the before function lambda wrapped in a trace for stats measurement.
err := traceApiBefore(ctx, s.logger, ctx.Value(ctxFullMethodKey{}).(string), beforeFn)
if err != nil {
return nil, err
}
}
if in.Token == "" {
return nil, status.Error(codes.InvalidArgument, "Facebook access token is required.")
}
facebookProfile, err := s.socialClient.GetFacebookProfile(ctx, in.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.")
}
query := `UPDATE users SET facebook_id = NULL, update_time = now()
WHERE id = $1
AND facebook_id = $2
AND ((custom_id IS NOT NULL
OR google_id IS NOT NULL
OR gamecenter_id IS NOT NULL
OR steam_id IS NOT NULL
OR email IS NOT NULL)
OR
EXISTS (SELECT id FROM user_device WHERE user_id = $1 LIMIT 1))`
res, err := s.db.ExecContext(ctx, query, userID, facebookProfile.ID)
if err != nil {
s.logger.Error("Could not unlink Facebook ID.", zap.Error(err), zap.Any("input", in))
return nil, status.Error(codes.Internal, "Error while trying to unlink Facebook ID.")
} else if count, _ := res.RowsAffected(); count == 0 {
return nil, status.Error(codes.PermissionDenied, "Cannot unlink last account identifier. Check profile exists and is not last link.")
}
// After hook.
if fn := s.runtime.AfterUnlinkFacebook(); fn != nil {
afterFn := func(clientIP, clientPort string) {
fn(ctx, s.logger, userID.(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, in)
}
// Execute the after function lambda wrapped in a trace for stats measurement.
traceApiAfter(ctx, s.logger, ctx.Value(ctxFullMethodKey{}).(string), afterFn)
}
return &empty.Empty{}, nil
}
func (s *ApiServer) UnlinkGameCenter(ctx context.Context, in *api.AccountGameCenter) (*empty.Empty, error) {
userID := ctx.Value(ctxUserIDKey{})
// Before hook.
if fn := s.runtime.BeforeUnlinkGameCenter(); fn != nil {
beforeFn := func(clientIP, clientPort string) error {
result, err, code := fn(ctx, s.logger, userID.(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, in)
if err != nil {
return status.Error(code, err.Error())
}
if result == nil {
// If result is nil, requested resource is disabled.
s.logger.Warn("Intercepted a disabled resource.", zap.Any("resource", ctx.Value(ctxFullMethodKey{}).(string)), zap.String("uid", userID.(uuid.UUID).String()))
return status.Error(codes.NotFound, "Requested resource was not found.")
}
in = result
return nil
}
// Execute the before function lambda wrapped in a trace for stats measurement.
err := traceApiBefore(ctx, s.logger, ctx.Value(ctxFullMethodKey{}).(string), beforeFn)
if err != nil {
return nil, err
}
}
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(ctx, 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.")
}
query := `UPDATE users SET gamecenter_id = NULL, update_time = now()
WHERE id = $1
AND gamecenter_id = $2
AND ((custom_id IS NOT NULL
OR google_id IS NOT NULL
OR facebook_id IS NOT NULL
OR steam_id IS NOT NULL
OR email IS NOT NULL)
OR
EXISTS (SELECT id FROM user_device WHERE user_id = $1 LIMIT 1))`
res, err := s.db.ExecContext(ctx, query, userID, in.PlayerId)
if err != nil {
s.logger.Error("Could not unlink GameCenter ID.", zap.Error(err), zap.Any("input", in))
return nil, status.Error(codes.Internal, "Error while trying to unlink GameCenter ID.")
} else if count, _ := res.RowsAffected(); count == 0 {
return nil, status.Error(codes.PermissionDenied, "Cannot unlink last account identifier. Check profile exists and is not last link.")
}
// After hook.
if fn := s.runtime.AfterUnlinkGameCenter(); fn != nil {
afterFn := func(clientIP, clientPort string) {
fn(ctx, s.logger, userID.(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, in)
}
// Execute the after function lambda wrapped in a trace for stats measurement.
traceApiAfter(ctx, s.logger, ctx.Value(ctxFullMethodKey{}).(string), afterFn)
}
return &empty.Empty{}, nil
}
func (s *ApiServer) UnlinkGoogle(ctx context.Context, in *api.AccountGoogle) (*empty.Empty, error) {
userID := ctx.Value(ctxUserIDKey{})
// Before hook.
if fn := s.runtime.BeforeUnlinkGoogle(); fn != nil {
beforeFn := func(clientIP, clientPort string) error {
result, err, code := fn(ctx, s.logger, userID.(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, in)
if err != nil {
return status.Error(code, err.Error())
}
if result == nil {
// If result is nil, requested resource is disabled.
s.logger.Warn("Intercepted a disabled resource.", zap.Any("resource", ctx.Value(ctxFullMethodKey{}).(string)), zap.String("uid", userID.(uuid.UUID).String()))
return status.Error(codes.NotFound, "Requested resource was not found.")
}
in = result
return nil
}
// Execute the before function lambda wrapped in a trace for stats measurement.
err := traceApiBefore(ctx, s.logger, ctx.Value(ctxFullMethodKey{}).(string), beforeFn)
if err != nil {
return nil, err
}
}
if in.Token == "" {
return nil, status.Error(codes.InvalidArgument, "Google access token is required.")
}
googleProfile, err := s.socialClient.CheckGoogleToken(ctx, 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.")
}
query := `UPDATE users SET google_id = NULL, update_time = now()
WHERE id = $1
AND google_id = $2
AND ((custom_id IS NOT NULL
OR gamecenter_id IS NOT NULL
OR facebook_id IS NOT NULL
OR steam_id IS NOT NULL
OR email IS NOT NULL)
OR
EXISTS (SELECT id FROM user_device WHERE user_id = $1 LIMIT 1))`
res, err := s.db.ExecContext(ctx, query, userID, googleProfile.Sub)
if err != nil {
s.logger.Error("Could not unlink Google ID.", zap.Error(err), zap.Any("input", in))
return nil, status.Error(codes.Internal, "Error while trying to unlink Google ID.")
} else if count, _ := res.RowsAffected(); count == 0 {
return nil, status.Error(codes.PermissionDenied, "Cannot unlink last account identifier. Check profile exists and is not last link.")
}
// After hook.
if fn := s.runtime.AfterUnlinkGoogle(); fn != nil {
afterFn := func(clientIP, clientPort string) {
fn(ctx, s.logger, userID.(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, in)
}
// Execute the after function lambda wrapped in a trace for stats measurement.
traceApiAfter(ctx, s.logger, ctx.Value(ctxFullMethodKey{}).(string), afterFn)
}
return &empty.Empty{}, nil
}
func (s *ApiServer) UnlinkSteam(ctx context.Context, in *api.AccountSteam) (*empty.Empty, error) {
userID := ctx.Value(ctxUserIDKey{})
// Before hook.
if fn := s.runtime.BeforeUnlinkSteam(); fn != nil {
beforeFn := func(clientIP, clientPort string) error {
result, err, code := fn(ctx, s.logger, userID.(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, in)
if err != nil {
return status.Error(code, err.Error())
}
if result == nil {
// If result is nil, requested resource is disabled.
s.logger.Warn("Intercepted a disabled resource.", zap.Any("resource", ctx.Value(ctxFullMethodKey{}).(string)), zap.String("uid", userID.(uuid.UUID).String()))
return status.Error(codes.NotFound, "Requested resource was not found.")
}
in = result
return nil
}
// Execute the before function lambda wrapped in a trace for stats measurement.
err := traceApiBefore(ctx, s.logger, ctx.Value(ctxFullMethodKey{}).(string), beforeFn)
if err != nil {
return nil, err
}
}
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(ctx, 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.")
}
query := `UPDATE users SET steam_id = NULL, update_time = now()
WHERE id = $1
AND steam_id = $2
AND ((custom_id IS NOT NULL
OR gamecenter_id IS NOT NULL
OR facebook_id IS NOT NULL
OR google_id IS NOT NULL
OR email IS NOT NULL)
OR
EXISTS (SELECT id FROM user_device WHERE user_id = $1 LIMIT 1))`
res, err := s.db.ExecContext(ctx, query, userID, strconv.FormatUint(steamProfile.SteamID, 10))
if err != nil {
s.logger.Error("Could not unlink Steam ID.", zap.Error(err), zap.Any("input", in))
return nil, status.Error(codes.Internal, "Error while trying to unlink Steam ID.")
} else if count, _ := res.RowsAffected(); count == 0 {
return nil, status.Error(codes.PermissionDenied, "Cannot unlink last account identifier. Check profile exists and is not last link.")
}
// After hook.
if fn := s.runtime.AfterUnlinkSteam(); fn != nil {
afterFn := func(clientIP, clientPort string) {
fn(ctx, s.logger, userID.(uuid.UUID).String(), ctx.Value(ctxUsernameKey{}).(string), ctx.Value(ctxExpiryKey{}).(int64), clientIP, clientPort, in)
}
// Execute the after function lambda wrapped in a trace for stats measurement.
traceApiAfter(ctx, s.logger, ctx.Value(ctxFullMethodKey{}).(string), afterFn)
}
return &empty.Empty{}, nil
}