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dex/api/api.go

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package api
import (
"errors"
"golang.org/x/net/context"
"github.com/coreos/poke/api/apipb"
"github.com/coreos/poke/storage"
)
// NewServer returns a gRPC server for talking to a storage.
func NewServer(s storage.Storage) apipb.StorageServer {
return &server{s}
}
type server struct {
storage storage.Storage
}
func fromPBClient(client *apipb.Client) storage.Client {
return storage.Client{
ID: client.Id,
Secret: client.Secret,
RedirectURIs: client.RedirectUris,
TrustedPeers: client.TrustedPeers,
Public: client.Public,
Name: client.Name,
LogoURL: client.LogoUrl,
}
}
func toPBClient(client storage.Client) *apipb.Client {
return &apipb.Client{
Id: client.ID,
Secret: client.Secret,
RedirectUris: client.RedirectURIs,
TrustedPeers: client.TrustedPeers,
Public: client.Public,
Name: client.Name,
LogoUrl: client.LogoURL,
}
}
func (s *server) CreateClient(ctx context.Context, req *apipb.CreateClientReq) (*apipb.CreateClientResp, error) {
// TODO(ericchiang): Create a more centralized strategy for creating client IDs
// and secrets which are restricted based on the storage.
client := fromPBClient(req.Client)
if client.ID == "" {
client.ID = storage.NewNonce()
}
if client.Secret == "" {
client.Secret = storage.NewNonce() + storage.NewNonce()
}
if err := s.storage.CreateClient(client); err != nil {
return nil, err
}
return &apipb.CreateClientResp{Client: toPBClient(client)}, nil
}
func (s *server) UpdateClient(ctx context.Context, req *apipb.UpdateClientReq) (*apipb.UpdateClientResp, error) {
switch {
case req.Id == "":
return nil, errors.New("no ID supplied")
case req.MakePublic && req.MakePrivate:
return nil, errors.New("cannot both make public and private")
case req.MakePublic && len(req.RedirectUris) != 0:
return nil, errors.New("redirect uris supplied for a public client")
}
var client *storage.Client
updater := func(old storage.Client) (storage.Client, error) {
if req.MakePublic {
old.Public = true
}
if req.MakePrivate {
old.Public = false
}
if req.Secret != "" {
old.Secret = req.Secret
}
if req.Name != "" {
old.Name = req.Name
}
if req.LogoUrl != "" {
old.LogoURL = req.LogoUrl
}
if len(req.RedirectUris) != 0 {
if old.Public {
return old, errors.New("public clients cannot have redirect URIs")
}
old.RedirectURIs = req.RedirectUris
}
client = &old
return old, nil
}
if err := s.storage.UpdateClient(req.Id, updater); err != nil {
return nil, err
}
return &apipb.UpdateClientResp{Client: toPBClient(*client)}, nil
}
func (s *server) DeleteClient(ctx context.Context, req *apipb.DeleteClientReq) (*apipb.DeleteClientReq, error) {
if req.Id == "" {
return nil, errors.New("no client ID supplied")
}
if err := s.storage.DeleteClient(req.Id); err != nil {
return nil, err
}
return &apipb.DeleteClientReq{}, nil
}
func (s *server) ListClients(ctx context.Context, req *apipb.ListClientsReq) (*apipb.ListClientsResp, error) {
clients, err := s.storage.ListClients()
if err != nil {
return nil, err
}
resp := make([]*apipb.Client, len(clients))
for i, client := range clients {
resp[i] = toPBClient(client)
}
return &apipb.ListClientsResp{Clients: resp}, nil
}
func (s *server) GetClient(ctx context.Context, req *apipb.GetClientReq) (*apipb.GetClientResp, error) {
if req.Id == "" {
return nil, errors.New("no client ID supplied")
}
client, err := s.storage.GetClient(req.Id)
if err != nil {
return nil, err
}
return &apipb.GetClientResp{Client: toPBClient(client)}, nil
}