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package controllers
import (
"context"
"fmt"
"net/http"
"time"
"code.crute.us/mcrute/cloud-identity-broker/app/middleware"
"code.crute.us/mcrute/cloud-identity-broker/app/models"
"code.crute.us/mcrute/cloud-identity-broker/cloud/aws"
glecho "code.crute.us/mcrute/golib/echo"
"code.crute.us/mcrute/golib/echo/controller"
"github.com/labstack/echo/v4"
)
type APIAccountHandler struct {
Store models.AccountStore
AdminStore models.AccountStore
}
func (h *APIAccountHandler) 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 *APIAccountHandler) getPrincipalAndAccount(c echo.Context) (*models.User, *models.Account, error) {
var err error
ctx := context.Background()
p, err := middleware.GetAuthorizedPrincipal(c)
if err != nil {
return nil, nil, echo.ErrUnauthorized
}
var a *models.Account
if p.IsAdmin {
a, err = h.AdminStore.GetForUser(ctx, c.Param("account"), p)
if err != nil {
return nil, nil, echo.NotFoundHandler(c)
}
} else {
a, err = h.Store.GetForUser(ctx, c.Param("account"), p)
if err != nil {
return nil, nil, echo.NotFoundHandler(c)
}
}
return p, a, nil
}
func (h *APIAccountHandler) HandleGet(c echo.Context) error {
p, a, err := h.getPrincipalAndAccount(c)
if err != nil {
return err
}
// These fields are slightly sensitive and give away too many security
// details about the account so they should only be visible to users who
// can administer the account.
if !a.CanBeModifiedBy(p) {
a.VaultMaterial = ""
a.Users = nil
}
return c.JSON(http.StatusOK, a)
}
func (h *APIAccountHandler) HandlePut(c echo.Context) error {
var in models.Account
if err := c.Echo().JSONSerializer.Deserialize(c, &in); err != nil {
return echo.ErrBadRequest
}
p, a, err := h.getPrincipalAndAccount(c)
if err != nil {
return err
}
if !a.CanBeModifiedBy(p) {
return echo.ErrForbidden
}
if in.ShortName != a.ShortName {
return &echo.HTTPError{
Code: http.StatusBadRequest,
Message: "Account short_name can not be changed. Create a new account.",
}
}
if in.AccountType != a.AccountType {
return &echo.HTTPError{
Code: http.StatusBadRequest,
Message: "Account type can not be changed. Create a new account.",
}
}
if in.Deleted != nil && a.Deleted == nil {
return &echo.HTTPError{
Code: http.StatusBadRequest,
Message: "Use the DELETE method to delete a record",
}
}
a.AccountNumber = in.AccountNumber
a.Name = in.Name
a.ConsoleSessionDuration = in.ConsoleSessionDuration
a.VaultMaterial = in.VaultMaterial
a.DefaultRegion = in.DefaultRegion
a.Users = in.Users
// PUT-ing Deleted equal to null effectively un-deletes the record
a.Deleted = in.Deleted
if err := h.Store.Put(context.Background(), a); err != nil {
return echo.ErrInternalServerError
}
return c.String(http.StatusNoContent, "")
}
func (h *APIAccountHandler) HandlePost(c echo.Context) error {
var in models.Account
if err := c.Echo().JSONSerializer.Deserialize(c, &in); err != nil {
return echo.ErrBadRequest
}
if _, err := h.AdminStore.Get(context.Background(), in.ShortName); err == nil {
return &echo.HTTPError{
Code: http.StatusConflict,
Message: "Account with short name already exists. Choose another short name.",
}
}
if in.ConsoleSessionDuration < time.Hour {
in.ConsoleSessionDuration = time.Hour
}
if in.ConsoleSessionDuration > 12*time.Hour {
return &echo.HTTPError{
Code: http.StatusBadRequest,
Message: "Console duration is greater than the AWS maximum of 12 hours.",
}
}
if in.Deleted != nil {
return &echo.HTTPError{
Code: http.StatusBadRequest,
Message: "Can not create deleted account, set Deleted to null",
}
}
if err := aws.ValidateVaultMaterial(in.VaultMaterial); err != nil {
return &echo.HTTPError{
Code: http.StatusBadRequest,
Message: fmt.Sprintf("Unable to access Vault material: %s", err),
}
}
if err := h.Store.Put(context.Background(), &in); err != nil {
return echo.ErrInternalServerError
}
c.Response().Header().Add("Location", glecho.URLFor(c, "/api/account", in.ShortName).String())
return c.String(http.StatusCreated, "")
}
func (h *APIAccountHandler) HandleDelete(c echo.Context) error {
p, a, err := h.getPrincipalAndAccount(c)
if err != nil {
return err
}
if a.CanBeModifiedBy(p) {
if err := h.Store.Delete(context.Background(), a); err != nil {
return echo.ErrInternalServerError
}
} else {
return echo.ErrForbidden
}
return c.String(http.StatusNoContent, "")
}
|
