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user.go
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user.go
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package handler
import (
"context"
"fmt"
"github.com/ScoreTrak/ScoreTrak/pkg/policy/policyclient"
utilpb "github.com/ScoreTrak/ScoreTrak/pkg/proto/proto/v1"
userpb "github.com/ScoreTrak/ScoreTrak/pkg/proto/user/v1"
"github.com/ScoreTrak/ScoreTrak/pkg/user"
"github.com/ScoreTrak/ScoreTrak/pkg/user/userservice"
"github.com/gofrs/uuid"
"golang.org/x/crypto/bcrypt"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
type UserController struct {
svc userservice.Serv
userpb.UnimplementedUserServiceServer
policyClient *policyclient.Client
}
func (p UserController) GetByUsername(ctx context.Context, request *userpb.GetByUsernameRequest) (*userpb.GetByUsernameResponse, error) {
username := request.GetUsername()
if username == "" {
return nil, status.Errorf(
codes.InvalidArgument,
"Username was not specified",
)
}
tm, err := p.svc.GetByUsername(ctx, username)
if err != nil {
return nil, getErrorParser(err)
}
return &userpb.GetByUsernameResponse{User: ConvertUserToUserPb(tm)}, nil
}
func (p UserController) GetByID(ctx context.Context, request *userpb.GetByIDRequest) (*userpb.GetByIDResponse, error) {
uid, err := extractUUID(request)
if err != nil {
return nil, err
}
tm, err := p.svc.GetByID(ctx, uid)
if err != nil {
return nil, getErrorParser(err)
}
return &userpb.GetByIDResponse{User: ConvertUserToUserPb(tm)}, nil
}
func (p UserController) GetAll(ctx context.Context, _ *userpb.GetAllRequest) (*userpb.GetAllResponse, error) {
tms, err := p.svc.GetAll(ctx)
if err != nil {
return nil, getErrorParser(err)
}
tmspb := make([]*userpb.User, 0, len(tms))
for i := range tms {
tmspb = append(tmspb, ConvertUserToUserPb(tms[i]))
}
return &userpb.GetAllResponse{Users: tmspb}, nil
}
func (p UserController) Delete(ctx context.Context, request *userpb.DeleteRequest) (*userpb.DeleteResponse, error) {
uid, err := extractUUID(request)
if err != nil {
return nil, err
}
err = p.svc.Delete(ctx, uid)
if err != nil {
return nil, deleteErrorParser(err)
}
return &userpb.DeleteResponse{}, nil
}
func (p UserController) Store(ctx context.Context, request *userpb.StoreRequest) (*userpb.StoreResponse, error) {
usrspb := request.GetUsers()
usrs := make([]*user.User, 0, len(usrspb))
for i := range usrspb {
usr, err := ConvertUserPBtoUser(false, usrspb[i])
if err != nil {
return nil, err
}
if usr.TeamID == uuid.Nil {
return nil, status.Errorf(
codes.InvalidArgument,
"Team ID should not be nil",
)
}
if usr.PasswordHash == "" {
return nil, status.Errorf(
codes.InvalidArgument,
"Password should not be empty",
)
}
if usr.Role == "" {
return nil, status.Errorf(
codes.InvalidArgument,
"Role should not be empty",
)
}
usrs = append(usrs, usr)
}
if err := p.svc.Store(ctx, usrs); err != nil {
return nil, status.Errorf(
codes.Internal,
fmt.Sprintf("Unknown internal error: %v", err),
)
}
ids := make([]*utilpb.UUID, 0, len(usrs))
for i := range usrs {
ids = append(ids, &utilpb.UUID{Value: usrs[i].ID.String()})
}
return &userpb.StoreResponse{Ids: ids}, nil
}
func (p UserController) Update(ctx context.Context, request *userpb.UpdateRequest) (*userpb.UpdateResponse, error) {
usrpb := request.GetUser()
usr, err := ConvertUserPBtoUser(true, usrpb)
if err != nil {
return nil, err
}
claim := extractUserClaim(ctx)
if claim.Role != user.Black {
if claim.ID != usr.TeamID.String() {
return nil, status.Errorf(
codes.PermissionDenied,
noPermissionsTo+changingUser,
)
}
if !p.policyClient.GetAllowChangingUsernamesAndPasswords() {
return nil, status.Errorf(
codes.PermissionDenied,
noPermissionsTo+changingUser+"'s password",
)
}
request.User = &userpb.User{Username: request.GetUser().Username, Password: request.User.GetPassword()}
}
err = p.svc.Update(ctx, usr)
if err != nil {
return nil, status.Errorf(
codes.Internal,
fmt.Sprintf("Unknown internal error: %v", err),
)
}
return &userpb.UpdateResponse{}, nil
}
func NewUserController(svc userservice.Serv, policyClient *policyclient.Client) *UserController {
return &UserController{svc: svc, policyClient: policyClient}
}
func ConvertUserPBtoUser(requireID bool, pb *userpb.User) (*user.User, error) {
var id uuid.UUID
var err error
if pb.GetId() != nil {
id, err = uuid.FromString(pb.GetId().GetValue())
if err != nil {
return nil, status.Errorf(
codes.InvalidArgument,
unableToParseID+": %v", err,
)
}
} else if requireID {
return nil, status.Errorf(
codes.InvalidArgument,
idNotSpecified,
)
}
var teamID uuid.UUID
if pb.GetTeamId() != nil {
teamID, err = uuid.FromString(pb.GetTeamId().GetValue())
if err != nil {
return nil, status.Errorf(
codes.InvalidArgument,
unableToParseID+": %v", err,
)
}
}
var passwordHash []byte
switch {
case pb.GetPassword() != "" && pb.GetPasswordHash() != "":
return nil, status.Errorf(
codes.InvalidArgument,
"You should provide either password or hash, but not both",
)
case pb.GetPassword() != "":
passwordHash, err = bcrypt.GenerateFromPassword([]byte(pb.GetPassword()), bcrypt.DefaultCost)
if err != nil {
return nil, status.Errorf(
codes.InvalidArgument,
"Unable to get password hash: %v", err,
)
}
case pb.GetPasswordHash() != "":
passwordHash = []byte(pb.GetPasswordHash())
}
var r string
switch pb.GetRole() {
case userpb.Role_ROLE_BLUE:
r = user.Blue
case userpb.Role_ROLE_RED:
r = user.Red
case userpb.Role_ROLE_BLACK:
r = user.Black
case userpb.Role_ROLE_UNSPECIFIED:
r = ""
}
return &user.User{
ID: id,
Username: pb.Username,
PasswordHash: string(passwordHash),
TeamID: teamID,
Role: r,
}, nil
}
func ConvertUserToUserPb(obj *user.User) *userpb.User {
return &userpb.User{
Id: &utilpb.UUID{Value: obj.ID.String()},
Username: obj.Username,
TeamId: &utilpb.UUID{Value: obj.TeamID.String()},
Role: UserRoleToRolePB(obj.Role),
PasswordHash: obj.PasswordHash,
}
}
func UserRoleToRolePB(r string) userpb.Role {
var rpb userpb.Role
switch {
case r == user.Blue:
rpb = userpb.Role_ROLE_BLUE
case r == user.Red:
rpb = userpb.Role_ROLE_RED
case r == user.Black:
rpb = userpb.Role_ROLE_BLACK
}
return rpb
}