Restructure routing and security check

This commit is contained in:
Jan Eitzinger 2023-08-14 18:38:30 +02:00
parent 90bdfcfbb6
commit 202521cbfd

View File

@ -1,4 +1,4 @@
// Copyright (C) 2022 NHR@FAU, University Erlangen-Nuremberg.
// Copyright (C) 2023 NHR@FAU, University Erlangen-Nuremberg.
// All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
@ -86,55 +86,13 @@ func (api *RestApi) MountRoutes(r *mux.Router) {
}
if api.Authentication != nil {
rw := r.MatcherFunc(
func(rq *http.Request, rm *mux.RouteMatch) bool {
user := auth.GetUser(rq.Context())
return user.AuthType == auth.AuthSession
}).Subrouter()
rw.HandleFunc("/jwt/", api.getJWT).Methods(http.MethodGet)
rw.HandleFunc("/roles/", api.getRoles).Methods(http.MethodGet)
rw.HandleFunc("/users/", api.createUser).Methods(http.MethodPost, http.MethodPut)
rw.HandleFunc("/users/", api.getUsers).Methods(http.MethodGet)
rw.HandleFunc("/users/", api.deleteUser).Methods(http.MethodDelete)
rw.HandleFunc("/user/{id}", api.updateUser).Methods(http.MethodPost)
rw.HandleFunc("/configuration/", api.updateConfiguration).Methods(http.MethodPost)
rs := r.PathPrefix("/secured").MatcherFunc(
func(rq *http.Request, rm *mux.RouteMatch) bool {
user := auth.GetUser(rq.Context())
// this only applies for token based authorization
if user.AuthType != auth.AuthToken {
return false
}
// If nothing declared in config: deny all request to this endpoint
if config.Keys.ApiAllowedIPs == nil || len(config.Keys.ApiAllowedIPs) == 0 {
return false
}
// extract IP address
IPAddress := rq.Header.Get("X-Real-Ip")
if IPAddress == "" {
IPAddress = rq.Header.Get("X-Forwarded-For")
}
if IPAddress == "" {
IPAddress = rq.RemoteAddr
}
// check if IP is allowed
if !util.Contains(config.Keys.ApiAllowedIPs, IPAddress) {
return false
}
return true
}).Subrouter()
rs.HandleFunc("/jwt/", api.getJWT).Methods(http.MethodGet)
rs.HandleFunc("/roles/", api.getRoles).Methods(http.MethodGet)
rs.HandleFunc("/users/", api.createUser).Methods(http.MethodPost, http.MethodPut)
rs.HandleFunc("/users/", api.getUsers).Methods(http.MethodGet)
rs.HandleFunc("/users/", api.deleteUser).Methods(http.MethodDelete)
rs.HandleFunc("/user/{id}", api.updateUser).Methods(http.MethodPost)
rs.HandleFunc("/configuration/", api.updateConfiguration).Methods(http.MethodPost)
r.HandleFunc("/jwt/", api.getJWT).Methods(http.MethodGet)
r.HandleFunc("/roles/", api.getRoles).Methods(http.MethodGet)
r.HandleFunc("/users/", api.createUser).Methods(http.MethodPost, http.MethodPut)
r.HandleFunc("/users/", api.getUsers).Methods(http.MethodGet)
r.HandleFunc("/users/", api.deleteUser).Methods(http.MethodDelete)
r.HandleFunc("/user/{id}", api.updateUser).Methods(http.MethodPost)
r.HandleFunc("/configuration/", api.updateConfiguration).Methods(http.MethodPost)
}
}
@ -223,6 +181,36 @@ func decode(r io.Reader, val interface{}) error {
return dec.Decode(val)
}
func securedCheck(r *http.Request) error {
user := auth.GetUser(r.Context())
if user == nil {
return fmt.Errorf("no user in context")
}
if user.AuthType == auth.AuthToken {
// If nothing declared in config: deny all request to this endpoint
if config.Keys.ApiAllowedIPs == nil || len(config.Keys.ApiAllowedIPs) == 0 {
return fmt.Errorf("missing configuration key ApiAllowedIPs")
}
// extract IP address
IPAddress := r.Header.Get("X-Real-Ip")
if IPAddress == "" {
IPAddress = r.Header.Get("X-Forwarded-For")
}
if IPAddress == "" {
IPAddress = r.RemoteAddr
}
// check if IP is allowed
if !util.Contains(config.Keys.ApiAllowedIPs, IPAddress) {
return fmt.Errorf("unknown ip: %v", IPAddress)
}
}
return nil
}
// getJobs godoc
// @summary Lists all jobs
// @tags query
@ -943,6 +931,11 @@ func (api *RestApi) getJobMetrics(rw http.ResponseWriter, r *http.Request) {
}
func (api *RestApi) getJWT(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
}
rw.Header().Set("Content-Type", "text/plain")
username := r.FormValue("username")
me := auth.GetUser(r.Context())
@ -971,6 +964,11 @@ func (api *RestApi) getJWT(rw http.ResponseWriter, r *http.Request) {
}
func (api *RestApi) createUser(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
}
rw.Header().Set("Content-Type", "text/plain")
me := auth.GetUser(r.Context())
if !me.HasRole(auth.RoleAdmin) {
@ -978,17 +976,22 @@ func (api *RestApi) createUser(rw http.ResponseWriter, r *http.Request) {
return
}
username, password, role, name, email, project := r.FormValue("username"), r.FormValue("password"), r.FormValue("role"), r.FormValue("name"), r.FormValue("email"), r.FormValue("project")
username, password, role, name, email, project := r.FormValue("username"),
r.FormValue("password"), r.FormValue("role"), r.FormValue("name"),
r.FormValue("email"), r.FormValue("project")
if len(password) == 0 && role != auth.GetRoleString(auth.RoleApi) {
http.Error(rw, "Only API users are allowed to have a blank password (login will be impossible)", http.StatusBadRequest)
return
}
if len(project) != 0 && role != auth.GetRoleString(auth.RoleManager) {
http.Error(rw, "only managers require a project (can be changed later)", http.StatusBadRequest)
http.Error(rw, "only managers require a project (can be changed later)",
http.StatusBadRequest)
return
} else if len(project) == 0 && role == auth.GetRoleString(auth.RoleManager) {
http.Error(rw, "managers require a project to manage (can be changed later)", http.StatusBadRequest)
http.Error(rw, "managers require a project to manage (can be changed later)",
http.StatusBadRequest)
return
}
@ -1007,6 +1010,11 @@ func (api *RestApi) createUser(rw http.ResponseWriter, r *http.Request) {
}
func (api *RestApi) deleteUser(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
}
if user := auth.GetUser(r.Context()); !user.HasRole(auth.RoleAdmin) {
http.Error(rw, "Only admins are allowed to delete a user", http.StatusForbidden)
return
@ -1022,6 +1030,11 @@ func (api *RestApi) deleteUser(rw http.ResponseWriter, r *http.Request) {
}
func (api *RestApi) getUsers(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
}
if user := auth.GetUser(r.Context()); !user.HasRole(auth.RoleAdmin) {
http.Error(rw, "Only admins are allowed to fetch a list of users", http.StatusForbidden)
return
@ -1037,6 +1050,11 @@ func (api *RestApi) getUsers(rw http.ResponseWriter, r *http.Request) {
}
func (api *RestApi) getRoles(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
}
user := auth.GetUser(r.Context())
if !user.HasRole(auth.RoleAdmin) {
http.Error(rw, "only admins are allowed to fetch a list of roles", http.StatusForbidden)
@ -1053,6 +1071,11 @@ func (api *RestApi) getRoles(rw http.ResponseWriter, r *http.Request) {
}
func (api *RestApi) updateUser(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
}
if user := auth.GetUser(r.Context()); !user.HasRole(auth.RoleAdmin) {
http.Error(rw, "Only admins are allowed to update a user", http.StatusForbidden)
return