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|
package controllers
import (
"context"
"net/http"
"code.crute.us/mcrute/cloud-identity-broker/app/models"
glecho "code.crute.us/mcrute/golib/echo"
"code.crute.us/mcrute/golib/echo/controller"
"github.com/labstack/echo/v4"
)
type APIUserHandler struct {
Store models.UserStore
}
func (h *APIUserHandler) Register(prefix string, r glecho.URLRouter, mw ...echo.MiddlewareFunc) {
// This resource did not exist in the V1 API and thus has no V1
// representation. We use the default handlers for V1 because otherwise
// requests with V1 Accept headers would result in 406 Unacceptable errors.
gh := &controller.ContentTypeNegotiatingHandler{
DefaultHandler: h.HandleGet,
Handlers: map[string]echo.HandlerFunc{
contentTypeV1: h.HandleGet,
contentTypeV2: h.HandleGet,
},
}
r.GET(prefix, gh.Handle, mw...)
ph := &controller.ContentTypeNegotiatingHandler{
DefaultHandler: h.HandlePut,
Handlers: map[string]echo.HandlerFunc{
contentTypeV1: h.HandlePut,
contentTypeV2: h.HandlePut,
},
}
r.PUT(prefix, ph.Handle, mw...)
poh := &controller.ContentTypeNegotiatingHandler{
DefaultHandler: h.HandlePost,
Handlers: map[string]echo.HandlerFunc{
contentTypeV1: h.HandlePost,
contentTypeV2: h.HandlePost,
},
}
r.POST(prefix, poh.Handle, mw...)
r.DELETE(prefix, h.HandleDelete, mw...)
}
func (h *APIUserHandler) HandleGet(c echo.Context) error {
u, err := h.Store.Get(context.Background(), c.Param("user"))
if err != nil {
return echo.ErrInternalServerError
}
return c.JSON(http.StatusOK, u)
}
func validateKeysAndTokens(in *models.User) error {
for k, v := range in.Keys {
if k != v.KeyId {
return &echo.HTTPError{
Code: http.StatusBadRequest,
Message: "Key ID must match hash key.",
}
}
if v.PrivateKey == nil && v.PublicKey == nil {
return &echo.HTTPError{
Code: http.StatusBadRequest,
Message: "One of public_key or private_key must be set",
}
}
if v.PrivateKey != nil && v.PublicKey != nil {
return &echo.HTTPError{
Code: http.StatusBadRequest,
Message: "Only one of public_key or private_key may be set",
}
}
}
for k, v := range in.AuthTokens {
if k != v.Kind {
return &echo.HTTPError{
Code: http.StatusBadRequest,
Message: "Token kind must match hash key.",
}
}
}
return nil
}
func (h *APIUserHandler) HandlePut(c echo.Context) error {
var in models.User
if err := c.Echo().JSONSerializer.Deserialize(c, &in); err != nil {
return echo.ErrBadRequest
}
u, err := h.Store.Get(context.Background(), c.Param("user"))
if err != nil {
return echo.ErrInternalServerError
}
if in.Username != u.Username {
return &echo.HTTPError{
Code: http.StatusBadRequest,
Message: "Username can not be changed. Create a new user.",
}
}
if in.Deleted != nil && u.Deleted == nil {
return &echo.HTTPError{
Code: http.StatusBadRequest,
Message: "Use the DELETE method to delete a record",
}
}
if err := validateKeysAndTokens(&in); err != nil {
return err
}
err = h.Store.Put(context.Background(), &in)
if err != nil {
return echo.ErrInternalServerError
}
return c.String(http.StatusNoContent, "")
}
func (h *APIUserHandler) HandlePost(c echo.Context) error {
var in models.User
if err := c.Echo().JSONSerializer.Deserialize(c, &in); err != nil {
return echo.ErrBadRequest
}
_, err := h.Store.Get(context.Background(), c.Param("user"))
if err == nil {
return &echo.HTTPError{
Code: http.StatusConflict,
Message: "User with username already exists.",
}
}
if in.Deleted != nil {
return &echo.HTTPError{
Code: http.StatusBadRequest,
Message: "Can not create deleted user, set Deleted to null",
}
}
if err := validateKeysAndTokens(&in); err != nil {
return err
}
err = h.Store.Put(context.Background(), &in)
if err != nil {
return echo.ErrInternalServerError
}
c.Response().Header().Add("Location", glecho.URLFor(c, "/api/user", in.Username).String())
return c.String(http.StatusCreated, "")
}
func (h *APIUserHandler) HandleDelete(c echo.Context) error {
u, err := h.Store.Get(context.Background(), c.Param("user"))
if err != nil {
return echo.ErrInternalServerError
}
err = h.Store.Delete(context.Background(), u)
if err != nil {
return echo.ErrInternalServerError
}
return c.String(http.StatusNoContent, "")
}
|
