package server import ( "encoding/json" "net/http" "path" "github.com/coreos/pkg/health" "github.com/julienschmidt/httprouter" "github.com/coreos/dex/admin" "github.com/coreos/dex/pkg/log" "github.com/coreos/dex/schema/adminschema" "github.com/coreos/go-oidc/key" ) const ( AdminAPIVersion = "v1" AdminAPISecretLength = 128 ) var ( AdminGetEndpoint = addBasePath("/admin/:id") AdminCreateEndpoint = addBasePath("/admin") AdminGetStateEndpoint = addBasePath("/state") ) // AdminServer serves the admin API. type AdminServer struct { adminAPI *admin.AdminAPI checker health.Checker secret string } func NewAdminServer(adminAPI *admin.AdminAPI, rotator *key.PrivateKeyRotator, secret string) *AdminServer { return &AdminServer{ adminAPI: adminAPI, checker: health.Checker{ Checks: []health.Checkable{ rotator, }, }, secret: secret, } } func (s *AdminServer) HTTPHandler() http.Handler { r := httprouter.New() r.GET(AdminGetEndpoint, s.getAdmin) r.POST(AdminCreateEndpoint, s.createAdmin) r.GET(AdminGetStateEndpoint, s.getState) r.Handler("GET", httpPathHealth, s.checker) r.HandlerFunc("GET", httpPathDebugVars, health.ExpvarHandler) return authorizer(r, s.secret, httpPathHealth, httpPathDebugVars) } func authorizer(h http.Handler, secret string, public ...string) http.Handler { publicSet := map[string]struct{}{} for _, p := range public { publicSet[p] = struct{}{} } return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { _, isPublicPath := publicSet[r.URL.Path] if !isPublicPath && r.Header.Get("Authorization") != secret { writeAPIError(w, http.StatusUnauthorized, newAPIError(errorAccessDenied, "")) return } h.ServeHTTP(w, r) }) } func (s *AdminServer) getAdmin(w http.ResponseWriter, r *http.Request, ps httprouter.Params) { id := ps.ByName("id") admn, err := s.adminAPI.GetAdmin(id) if err != nil { s.writeError(w, err) return } writeResponseWithBody(w, http.StatusOK, admn) } func (s *AdminServer) createAdmin(w http.ResponseWriter, r *http.Request, _ httprouter.Params) { admn := adminschema.Admin{} err := json.NewDecoder(r.Body).Decode(&admn) if err != nil { writeInvalidRequest(w, "cannot parse JSON body") return } id, err := s.adminAPI.CreateAdmin(admn) if err != nil { s.writeError(w, err) return } admn.Id = id w.Header().Set("Location", AdminCreateEndpoint+"/"+id) writeResponseWithBody(w, http.StatusOK, admn) } func (s *AdminServer) getState(w http.ResponseWriter, r *http.Request, ps httprouter.Params) { state, err := s.adminAPI.GetState() if err != nil { s.writeError(w, err) return } writeResponseWithBody(w, http.StatusOK, state) } func (s *AdminServer) writeError(w http.ResponseWriter, err error) { log.Errorf("Error calling admin API: %v: ", err) if adminErr, ok := err.(admin.Error); ok { writeAPIError(w, adminErr.Code, newAPIError(adminErr.Type, adminErr.Desc)) return } writeAPIError(w, http.StatusInternalServerError, newAPIError(errorServerError, err.Error())) } func writeInvalidRequest(w http.ResponseWriter, msg string) { writeAPIError(w, http.StatusBadRequest, newAPIError(errorInvalidRequest, msg)) } func addBasePath(s string) string { return path.Join(httpPathAPI, APIVersion, s) }