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create.go
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package device
import (
"context"
"errors"
"time"
"github.com/jinzhu/copier"
"github.com/traggo/server/auth"
"github.com/traggo/server/auth/rand"
"github.com/traggo/server/generated/gqlmodel"
"github.com/traggo/server/model"
"github.com/traggo/server/user/password"
)
var (
timeNow = time.Now
randToken = rand.Token
comparePassword = password.ComparePassword
errUserPassWrong = errors.New("username/password combination does not exist")
)
// Login creates a device.
func (r *ResolverForDevice) Login(ctx context.Context, username string, pass string, deviceName string, deviceType gqlmodel.DeviceType, cookie bool) (*gqlmodel.Login, error) {
user := new(model.User)
find := r.DB.Where("name = ?", username).Find(user)
if find.RecordNotFound() {
return nil, errUserPassWrong
}
if !comparePassword(user.Pass, []byte(pass)) {
return nil, errUserPassWrong
}
return r.createDeviceInternal(ctx, user, deviceName, deviceType, cookie)
}
// CreateDevice creates a device.
func (r *ResolverForDevice) CreateDevice(ctx context.Context, deviceName string, deviceType gqlmodel.DeviceType) (*gqlmodel.Login, error) {
user := auth.GetUser(ctx)
return r.createDeviceInternal(ctx, user, deviceName, deviceType, false)
}
func (r *ResolverForDevice) createDeviceInternal(ctx context.Context, user *model.User, deviceName string, deviceType gqlmodel.DeviceType, cookie bool) (*gqlmodel.Login, error) {
token := randToken(20)
for !r.DB.Where("token = ?", token).Find(new(model.Device)).RecordNotFound() {
token = randToken(20)
}
now := timeNow()
device := &model.Device{
Token: token,
UserID: user.ID,
Name: deviceName,
Type: model.DeviceType(deviceType),
CreatedAt: now.UTC(),
ActiveAt: now.UTC(),
}
if err := device.Type.Valid(); err != nil {
return nil, err
}
if cookie {
auth.GetCreateSession(ctx)(token, device.Type.Seconds())
}
create := r.DB.Create(device)
gqlUser := &gqlmodel.User{}
copier.Copy(gqlUser, user)
gqlDevice := &gqlmodel.Device{}
copier.Copy(gqlDevice, device)
return &gqlmodel.Login{
User: gqlUser,
Device: gqlDevice,
Token: token}, create.Error
}