Merge pull request #649 from rithujohn191/gRPC-endpoints

api: add gRPC endpoints for creating, updating and deleting passwords

api/api.pb.go

@@ -14,6 +14,13 @@ It has these top-level messages:
 	CreateClientResp
 	DeleteClientReq
 	DeleteClientResp
+	Password
+	CreatePasswordReq
+	CreatePasswordResp
+	UpdatePasswordReq
+	UpdatePasswordResp
+	DeletePasswordReq
+	DeletePasswordResp
 */
 package api
 
@@ -109,12 +116,103 @@ func (m *DeleteClientResp) String() string            { return proto.CompactText
 func (*DeleteClientResp) ProtoMessage()               {}
 func (*DeleteClientResp) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{4} }
 
+// Password is an email for password mapping managed by the storage.
+type Password struct {
+	Email string `protobuf:"bytes,1,opt,name=email" json:"email,omitempty"`
+	// Currently we do not accept plain text passwords. Could be an option in the future.
+	Hash     []byte `protobuf:"bytes,2,opt,name=hash,proto3" json:"hash,omitempty"`
+	Username string `protobuf:"bytes,3,opt,name=username" json:"username,omitempty"`
+	UserId   string `protobuf:"bytes,4,opt,name=user_id,json=userId" json:"user_id,omitempty"`
+}
+
+func (m *Password) Reset()                    { *m = Password{} }
+func (m *Password) String() string            { return proto.CompactTextString(m) }
+func (*Password) ProtoMessage()               {}
+func (*Password) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{5} }
+
+// CreatePasswordReq is a request to make a password.
+type CreatePasswordReq struct {
+	Password *Password `protobuf:"bytes,1,opt,name=password" json:"password,omitempty"`
+}
+
+func (m *CreatePasswordReq) Reset()                    { *m = CreatePasswordReq{} }
+func (m *CreatePasswordReq) String() string            { return proto.CompactTextString(m) }
+func (*CreatePasswordReq) ProtoMessage()               {}
+func (*CreatePasswordReq) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{6} }
+
+func (m *CreatePasswordReq) GetPassword() *Password {
+	if m != nil {
+		return m.Password
+	}
+	return nil
+}
+
+// CreatePasswordResp returns the response from creating a password.
+type CreatePasswordResp struct {
+	AlreadyExists bool `protobuf:"varint,1,opt,name=already_exists,json=alreadyExists" json:"already_exists,omitempty"`
+}
+
+func (m *CreatePasswordResp) Reset()                    { *m = CreatePasswordResp{} }
+func (m *CreatePasswordResp) String() string            { return proto.CompactTextString(m) }
+func (*CreatePasswordResp) ProtoMessage()               {}
+func (*CreatePasswordResp) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{7} }
+
+// UpdatePasswordReq is a request to modify an existing password.
+type UpdatePasswordReq struct {
+	// The email used to lookup the password. This field cannot be modified
+	Email       string `protobuf:"bytes,1,opt,name=email" json:"email,omitempty"`
+	NewHash     []byte `protobuf:"bytes,2,opt,name=new_hash,json=newHash,proto3" json:"new_hash,omitempty"`
+	NewUsername string `protobuf:"bytes,3,opt,name=new_username,json=newUsername" json:"new_username,omitempty"`
+}
+
+func (m *UpdatePasswordReq) Reset()                    { *m = UpdatePasswordReq{} }
+func (m *UpdatePasswordReq) String() string            { return proto.CompactTextString(m) }
+func (*UpdatePasswordReq) ProtoMessage()               {}
+func (*UpdatePasswordReq) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{8} }
+
+// UpdatePasswordResp returns the response from modifying an existing password.
+type UpdatePasswordResp struct {
+	NotFound bool `protobuf:"varint,1,opt,name=not_found,json=notFound" json:"not_found,omitempty"`
+}
+
+func (m *UpdatePasswordResp) Reset()                    { *m = UpdatePasswordResp{} }
+func (m *UpdatePasswordResp) String() string            { return proto.CompactTextString(m) }
+func (*UpdatePasswordResp) ProtoMessage()               {}
+func (*UpdatePasswordResp) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{9} }
+
+// DeletePasswordReq is a request to delete a password.
+type DeletePasswordReq struct {
+	Email string `protobuf:"bytes,1,opt,name=email" json:"email,omitempty"`
+}
+
+func (m *DeletePasswordReq) Reset()                    { *m = DeletePasswordReq{} }
+func (m *DeletePasswordReq) String() string            { return proto.CompactTextString(m) }
+func (*DeletePasswordReq) ProtoMessage()               {}
+func (*DeletePasswordReq) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{10} }
+
+// DeletePasswordResp returns the response from deleting a password.
+type DeletePasswordResp struct {
+	NotFound bool `protobuf:"varint,1,opt,name=not_found,json=notFound" json:"not_found,omitempty"`
+}
+
+func (m *DeletePasswordResp) Reset()                    { *m = DeletePasswordResp{} }
+func (m *DeletePasswordResp) String() string            { return proto.CompactTextString(m) }
+func (*DeletePasswordResp) ProtoMessage()               {}
+func (*DeletePasswordResp) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{11} }
+
 func init() {
 	proto.RegisterType((*Client)(nil), "api.Client")
 	proto.RegisterType((*CreateClientReq)(nil), "api.CreateClientReq")
 	proto.RegisterType((*CreateClientResp)(nil), "api.CreateClientResp")
 	proto.RegisterType((*DeleteClientReq)(nil), "api.DeleteClientReq")
 	proto.RegisterType((*DeleteClientResp)(nil), "api.DeleteClientResp")
+	proto.RegisterType((*Password)(nil), "api.Password")
+	proto.RegisterType((*CreatePasswordReq)(nil), "api.CreatePasswordReq")
+	proto.RegisterType((*CreatePasswordResp)(nil), "api.CreatePasswordResp")
+	proto.RegisterType((*UpdatePasswordReq)(nil), "api.UpdatePasswordReq")
+	proto.RegisterType((*UpdatePasswordResp)(nil), "api.UpdatePasswordResp")
+	proto.RegisterType((*DeletePasswordReq)(nil), "api.DeletePasswordReq")
+	proto.RegisterType((*DeletePasswordResp)(nil), "api.DeletePasswordResp")
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -132,6 +230,12 @@ type DexClient interface {
 	CreateClient(ctx context.Context, in *CreateClientReq, opts ...grpc.CallOption) (*CreateClientResp, error)
 	// DeleteClient attempts to delete the provided client.
 	DeleteClient(ctx context.Context, in *DeleteClientReq, opts ...grpc.CallOption) (*DeleteClientResp, error)
+	// CreatePassword attempts to create the password.
+	CreatePassword(ctx context.Context, in *CreatePasswordReq, opts ...grpc.CallOption) (*CreatePasswordResp, error)
+	// UpdatePassword attempts to modify existing password.
+	UpdatePassword(ctx context.Context, in *UpdatePasswordReq, opts ...grpc.CallOption) (*UpdatePasswordResp, error)
+	// DeletePassword attempts to delete the password.
+	DeletePassword(ctx context.Context, in *DeletePasswordReq, opts ...grpc.CallOption) (*DeletePasswordResp, error)
 }
 
 type dexClient struct {
@@ -160,6 +264,33 @@ func (c *dexClient) DeleteClient(ctx context.Context, in *DeleteClientReq, opts
 	return out, nil
 }
 
+func (c *dexClient) CreatePassword(ctx context.Context, in *CreatePasswordReq, opts ...grpc.CallOption) (*CreatePasswordResp, error) {
+	out := new(CreatePasswordResp)
+	err := grpc.Invoke(ctx, "/api.Dex/CreatePassword", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *dexClient) UpdatePassword(ctx context.Context, in *UpdatePasswordReq, opts ...grpc.CallOption) (*UpdatePasswordResp, error) {
+	out := new(UpdatePasswordResp)
+	err := grpc.Invoke(ctx, "/api.Dex/UpdatePassword", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *dexClient) DeletePassword(ctx context.Context, in *DeletePasswordReq, opts ...grpc.CallOption) (*DeletePasswordResp, error) {
+	out := new(DeletePasswordResp)
+	err := grpc.Invoke(ctx, "/api.Dex/DeletePassword", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // Server API for Dex service
 
 type DexServer interface {
@@ -167,6 +298,12 @@ type DexServer interface {
 	CreateClient(context.Context, *CreateClientReq) (*CreateClientResp, error)
 	// DeleteClient attempts to delete the provided client.
 	DeleteClient(context.Context, *DeleteClientReq) (*DeleteClientResp, error)
+	// CreatePassword attempts to create the password.
+	CreatePassword(context.Context, *CreatePasswordReq) (*CreatePasswordResp, error)
+	// UpdatePassword attempts to modify existing password.
+	UpdatePassword(context.Context, *UpdatePasswordReq) (*UpdatePasswordResp, error)
+	// DeletePassword attempts to delete the password.
+	DeletePassword(context.Context, *DeletePasswordReq) (*DeletePasswordResp, error)
 }
 
 func RegisterDexServer(s *grpc.Server, srv DexServer) {
@@ -209,6 +346,60 @@ func _Dex_DeleteClient_Handler(srv interface{}, ctx context.Context, dec func(in
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Dex_CreatePassword_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreatePasswordReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DexServer).CreatePassword(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/api.Dex/CreatePassword",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DexServer).CreatePassword(ctx, req.(*CreatePasswordReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Dex_UpdatePassword_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(UpdatePasswordReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DexServer).UpdatePassword(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/api.Dex/UpdatePassword",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DexServer).UpdatePassword(ctx, req.(*UpdatePasswordReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Dex_DeletePassword_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeletePasswordReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DexServer).DeletePassword(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/api.Dex/DeletePassword",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DexServer).DeletePassword(ctx, req.(*DeletePasswordReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _Dex_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "api.Dex",
 	HandlerType: (*DexServer)(nil),
@@ -221,6 +412,18 @@ var _Dex_serviceDesc = grpc.ServiceDesc{
 			MethodName: "DeleteClient",
 			Handler:    _Dex_DeleteClient_Handler,
 		},
+		{
+			MethodName: "CreatePassword",
+			Handler:    _Dex_CreatePassword_Handler,
+		},
+		{
+			MethodName: "UpdatePassword",
+			Handler:    _Dex_UpdatePassword_Handler,
+		},
+		{
+			MethodName: "DeletePassword",
+			Handler:    _Dex_DeletePassword_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: fileDescriptor0,
@@ -229,27 +432,38 @@ var _Dex_serviceDesc = grpc.ServiceDesc{
 func init() { proto.RegisterFile("api/api.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
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 }

api/api.proto

@@ -37,10 +37,59 @@ message DeleteClientResp {
 
 // TODO(ericchiang): expand this.
 
+// Password is an email for password mapping managed by the storage.
+message Password {
+  string email = 1;
+
+  // Currently we do not accept plain text passwords. Could be an option in the future.
+  bytes hash = 2;
+  string username = 3;
+  string user_id = 4;
+}
+
+// CreatePasswordReq is a request to make a password.
+message CreatePasswordReq {
+  Password password = 1;
+}
+
+// CreatePasswordResp returns the response from creating a password.
+message CreatePasswordResp {
+  bool already_exists = 1;
+}
+
+// UpdatePasswordReq is a request to modify an existing password.
+message UpdatePasswordReq {
+  // The email used to lookup the password. This field cannot be modified
+  string email = 1;
+  bytes new_hash = 2;
+  string new_username = 3;
+}
+
+// UpdatePasswordResp returns the response from modifying an existing password. 
+message UpdatePasswordResp {
+  bool not_found = 1;
+}
+
+// DeletePasswordReq is a request to delete a password.
+message DeletePasswordReq {
+  string email = 1;
+}
+
+// DeletePasswordResp returns the response from deleting a password. 
+message DeletePasswordResp {
+  bool not_found = 1;
+}
+
 // Dex represents the dex gRPC service.
 service Dex {
   // CreateClient attempts to create the client.
   rpc CreateClient(CreateClientReq) returns (CreateClientResp) {};
   // DeleteClient attempts to delete the provided client.
   rpc DeleteClient(DeleteClientReq) returns (DeleteClientResp) {};
+  // CreatePassword attempts to create the password.
+  rpc CreatePassword(CreatePasswordReq) returns (CreatePasswordResp) {};
+  // UpdatePassword attempts to modify existing password.
+  rpc UpdatePassword(UpdatePasswordReq) returns (UpdatePasswordResp) {};
+  // DeletePassword attempts to delete the password.
+  rpc DeletePassword(DeletePasswordReq) returns (DeletePasswordResp) {};
 }

server/api.go

@@ -2,8 +2,10 @@ package server
 
 import (
 	"errors"
+	"fmt"
 	"log"
 
+	"golang.org/x/crypto/bcrypt"
 	"golang.org/x/net/context"
 
 	"github.com/coreos/dex/api"
@@ -43,7 +45,7 @@ func (d dexAPI) CreateClient(ctx context.Context, req *api.CreateClientReq) (*ap
 	if err := d.s.CreateClient(c); err != nil {
 		log.Printf("api: failed to create client: %v", err)
 		// TODO(ericchiang): Surface "already exists" errors.
-		return nil, err
+		return nil, fmt.Errorf("create client: %v", err)
 	}
 
 	return &api.CreateClientResp{
@@ -58,7 +60,102 @@ func (d dexAPI) DeleteClient(ctx context.Context, req *api.DeleteClientReq) (*ap
 			return &api.DeleteClientResp{NotFound: true}, nil
 		}
 		log.Printf("api: failed to delete client: %v", err)
-		return nil, err
+		return nil, fmt.Errorf("delete client: %v", err)
 	}
 	return &api.DeleteClientResp{}, nil
 }
+
+// checkCost returns an error if the hash provided does not meet minimum cost requirement
+func checkCost(hash []byte) error {
+	actual, err := bcrypt.Cost(hash)
+	if err != nil {
+		return fmt.Errorf("parsing bcrypt hash: %v", err)
+	}
+	if actual < bcrypt.DefaultCost {
+		return fmt.Errorf("given hash cost = %d, does not meet minimum cost requirement = %d", actual, bcrypt.DefaultCost)
+	}
+	return nil
+}
+
+func (d dexAPI) CreatePassword(ctx context.Context, req *api.CreatePasswordReq) (*api.CreatePasswordResp, error) {
+	if req.Password == nil {
+		return nil, errors.New("no password supplied")
+	}
+	if req.Password.UserId == "" {
+		return nil, errors.New("no user ID supplied")
+	}
+	if req.Password.Hash != nil {
+		if err := checkCost(req.Password.Hash); err != nil {
+			return nil, err
+		}
+	} else {
+		return nil, errors.New("no hash of password supplied")
+	}
+
+	p := storage.Password{
+		Email:    req.Password.Email,
+		Hash:     req.Password.Hash,
+		Username: req.Password.Username,
+		UserID:   req.Password.UserId,
+	}
+	if err := d.s.CreatePassword(p); err != nil {
+		log.Printf("api: failed to create password: %v", err)
+		return nil, fmt.Errorf("create password: %v", err)
+	}
+
+	return &api.CreatePasswordResp{}, nil
+}
+
+func (d dexAPI) UpdatePassword(ctx context.Context, req *api.UpdatePasswordReq) (*api.UpdatePasswordResp, error) {
+	if req.Email == "" {
+		return nil, errors.New("no email supplied")
+	}
+	if req.NewHash == nil && req.NewUsername == "" {
+		return nil, errors.New("nothing to update")
+	}
+
+	if req.NewHash != nil {
+		if err := checkCost(req.NewHash); err != nil {
+			return nil, err
+		}
+	}
+
+	updater := func(old storage.Password) (storage.Password, error) {
+		if req.NewHash != nil {
+			old.Hash = req.NewHash
+		}
+
+		if req.NewUsername != "" {
+			old.Username = req.NewUsername
+		}
+
+		return old, nil
+	}
+
+	if err := d.s.UpdatePassword(req.Email, updater); err != nil {
+		if err == storage.ErrNotFound {
+			return &api.UpdatePasswordResp{NotFound: true}, nil
+		}
+		log.Printf("api: failed to update password: %v", err)
+		return nil, fmt.Errorf("update password: %v", err)
+	}
+
+	return &api.UpdatePasswordResp{}, nil
+}
+
+func (d dexAPI) DeletePassword(ctx context.Context, req *api.DeletePasswordReq) (*api.DeletePasswordResp, error) {
+	if req.Email == "" {
+		return nil, errors.New("no email supplied")
+	}
+
+	err := d.s.DeletePassword(req.Email)
+	if err != nil {
+		if err == storage.ErrNotFound {
+			return &api.DeletePasswordResp{NotFound: true}, nil
+		}
+		log.Printf("api: failed to delete password: %v", err)
+		return nil, fmt.Errorf("delete password: %v", err)
+	}
+	return &api.DeletePasswordResp{}, nil
+
+}

server/api_test.go

 package server
+
+import (
+	"context"
+	"testing"
+
+	"github.com/coreos/dex/api"
+	"github.com/coreos/dex/storage/memory"
+)
+
+// Attempts to create, update and delete a test Password
+func TestPassword(t *testing.T) {
+	s := memory.New()
+	serv := NewAPI(s)
+
+	ctx := context.Background()
+	p := api.Password{
+		Email: "test@example.com",
+		// bcrypt hash of the value "test1" with cost 10
+		Hash:     []byte("$2a$10$XVMN/Fid.Ks4CXgzo8fpR.iU1khOMsP5g9xQeXuBm1wXjRX8pjUtO"),
+		Username: "test",
+		UserId:   "test123",
+	}
+
+	createReq := api.CreatePasswordReq{
+		Password: &p,
+	}
+
+	if _, err := serv.CreatePassword(ctx, &createReq); err != nil {
+		t.Fatalf("Unable to create password: %v", err)
+	}
+
+	updateReq := api.UpdatePasswordReq{
+		Email:       "test@example.com",
+		NewUsername: "test1",
+	}
+
+	if _, err := serv.UpdatePassword(ctx, &updateReq); err != nil {
+		t.Fatalf("Unable to update password: %v", err)
+	}
+
+	pass, err := s.GetPassword(updateReq.Email)
+	if err != nil {
+		t.Fatalf("Unable to retrieve password: %v", err)
+	}
+
+	if pass.Username != updateReq.NewUsername {
+		t.Fatalf("UpdatePassword failed. Expected username %s retrieved %s", updateReq.NewUsername, pass.Username)
+	}
+
+	deleteReq := api.DeletePasswordReq{
+		Email: "test@example.com",
+	}
+
+	if _, err := serv.DeletePassword(ctx, &deleteReq); err != nil {
+		t.Fatalf("Unable to delete password: %v", err)
+	}
+
+}

storage/storage.go

@@ -249,8 +249,7 @@ type Password struct {
 	// (cough cough, kubernetes), must map this value appropriately.
 	Email string `yaml:"email"`
 
-	// Bcrypt encoded hash of the password. This package recommends a cost value of at
-	// least 14.
+	// Bcrypt encoded hash of the password. This package enforces a min cost value of 10
 	Hash []byte `yaml:"hash"`
 
 	// Optional username to display. NOT used during login.