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review and move api endpoints secured check

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This commit is contained in:
Christoph Kluge
2025-04-09 16:00:27 +02:00
parent a6784b5549
commit fb6a4c3b87
3 changed files with 91 additions and 89 deletions
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95
internal/api/rest.go
View File

@@ -69,11 +69,10 @@ func New() *RestApi {
func (api *RestApi) MountApiRoutes(r *mux.Router) {
r.StrictSlash(true)
// REST API Uses TokenAuth
r.HandleFunc("/jobs/start_job/", api.startJob).Methods(http.MethodPost, http.MethodPut)
r.HandleFunc("/jobs/stop_job/", api.stopJobByRequest).Methods(http.MethodPost, http.MethodPut)
// r.HandleFunc("/jobs/import/", api.importJob).Methods(http.MethodPost, http.MethodPut)
r.HandleFunc("/jobs/", api.getJobs).Methods(http.MethodGet)
r.HandleFunc("/jobs/{id}", api.getJobById).Methods(http.MethodPost)
r.HandleFunc("/jobs/{id}", api.getCompleteJobById).Methods(http.MethodGet)
@@ -83,7 +82,6 @@ func (api *RestApi) MountApiRoutes(r *mux.Router) {
r.HandleFunc("/jobs/delete_job/", api.deleteJobByRequest).Methods(http.MethodDelete)
r.HandleFunc("/jobs/delete_job/{id}", api.deleteJobById).Methods(http.MethodDelete)
r.HandleFunc("/jobs/delete_job_before/{ts}", api.deleteJobBefore).Methods(http.MethodDelete)
r.HandleFunc("/clusters/", api.getClusters).Methods(http.MethodGet)
if api.MachineStateDir != "" {
@@ -94,7 +92,7 @@ func (api *RestApi) MountApiRoutes(r *mux.Router) {
func (api *RestApi) MountUserApiRoutes(r *mux.Router) {
r.StrictSlash(true)
// REST API Uses TokenAuth
r.HandleFunc("/jobs/", api.getJobs).Methods(http.MethodGet)
r.HandleFunc("/jobs/{id}", api.getJobById).Methods(http.MethodPost)
r.HandleFunc("/jobs/{id}", api.getCompleteJobById).Methods(http.MethodGet)
@@ -103,7 +101,7 @@ func (api *RestApi) MountUserApiRoutes(r *mux.Router) {
func (api *RestApi) MountConfigApiRoutes(r *mux.Router) {
r.StrictSlash(true)
// Settings Frontend Uses SessionAuth
if api.Authentication != nil {
r.HandleFunc("/roles/", api.getRoles).Methods(http.MethodGet)
r.HandleFunc("/users/", api.createUser).Methods(http.MethodPost, http.MethodPut)
@@ -116,7 +114,7 @@ func (api *RestApi) MountConfigApiRoutes(r *mux.Router) {
func (api *RestApi) MountFrontendApiRoutes(r *mux.Router) {
r.StrictSlash(true)
// Settings Frontrend Uses SessionAuth
if api.Authentication != nil {
r.HandleFunc("/jwt/", api.getJWT).Methods(http.MethodGet)
r.HandleFunc("/configuration/", api.updateConfiguration).Methods(http.MethodPost)
@@ -221,44 +219,6 @@ func decode(r io.Reader, val interface{}) error {
return dec.Decode(val)
}
func securedCheck(r *http.Request) error {
user := repository.GetUserFromContext(r.Context())
if user == nil {
return fmt.Errorf("no user in context")
}
if user.AuthType == schema.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")
}
if config.Keys.ApiAllowedIPs[0] == "*" {
return nil
}
// extract IP address
IPAddress := r.Header.Get("X-Real-Ip")
if IPAddress == "" {
IPAddress = r.Header.Get("X-Forwarded-For")
}
if IPAddress == "" {
IPAddress = r.RemoteAddr
}
if strings.Contains(IPAddress, ":") {
IPAddress = strings.Split(IPAddress, ":")[0]
}
// check if IP is allowed
if !util.Contains(config.Keys.ApiAllowedIPs, IPAddress) {
return fmt.Errorf("unknown ip: %v", IPAddress)
}
}
return nil
}
// getClusters godoc
// @summary Lists all cluster configs
// @tags Cluster query
@@ -1093,7 +1053,6 @@ func (api *RestApi) getJobMetrics(rw http.ResponseWriter, r *http.Request) {
// @summary Adds a new user
// @tags User
// @description User specified in form data will be saved to database.
// @description Only accessible from IPs registered with apiAllowedIPs configuration option.
// @accept mpfd
// @produce plain
// @param username formData string true "Unique user ID"
@@ -1111,11 +1070,7 @@ func (api *RestApi) getJobMetrics(rw http.ResponseWriter, r *http.Request) {
// @security ApiKeyAuth
// @router /users/ [post]
func (api *RestApi) createUser(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
return
}
// SecuredCheck() only worked with TokenAuth: Removed
rw.Header().Set("Content-Type", "text/plain")
me := repository.GetUserFromContext(r.Context())
@@ -1162,7 +1117,6 @@ func (api *RestApi) createUser(rw http.ResponseWriter, r *http.Request) {
// @summary Deletes a user
// @tags User
// @description User defined by username in form data will be deleted from database.
// @description Only accessible from IPs registered with apiAllowedIPs configuration option.
// @accept mpfd
// @produce plain
// @param username formData string true "User ID to delete"
@@ -1175,11 +1129,7 @@ func (api *RestApi) createUser(rw http.ResponseWriter, r *http.Request) {
// @security ApiKeyAuth
// @router /users/ [delete]
func (api *RestApi) deleteUser(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
return
}
// SecuredCheck() only worked with TokenAuth: Removed
if user := repository.GetUserFromContext(r.Context()); !user.HasRole(schema.RoleAdmin) {
http.Error(rw, "Only admins are allowed to delete a user", http.StatusForbidden)
@@ -1200,7 +1150,6 @@ func (api *RestApi) deleteUser(rw http.ResponseWriter, r *http.Request) {
// @tags User
// @description Returns a JSON-encoded list of users.
// @description Required query-parameter defines if all users or only users with additional special roles are returned.
// @description Only accessible from IPs registered with apiAllowedIPs configuration option.
// @produce json
// @param not-just-user query bool true "If returned list should contain all users or only users with additional special roles"
// @success 200 {array} api.ApiReturnedUser "List of users returned successfully"
@@ -1211,11 +1160,7 @@ func (api *RestApi) deleteUser(rw http.ResponseWriter, r *http.Request) {
// @security ApiKeyAuth
// @router /users/ [get]
func (api *RestApi) getUsers(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
return
}
// SecuredCheck() only worked with TokenAuth: Removed
if user := repository.GetUserFromContext(r.Context()); !user.HasRole(schema.RoleAdmin) {
http.Error(rw, "Only admins are allowed to fetch a list of users", http.StatusForbidden)
@@ -1236,7 +1181,6 @@ func (api *RestApi) getUsers(rw http.ResponseWriter, r *http.Request) {
// @tags User
// @description Modifies user defined by username (id) in one of four possible ways.
// @description If more than one formValue is set then only the highest priority field is used.
// @description Only accessible from IPs registered with apiAllowedIPs configuration option.
// @accept mpfd
// @produce plain
// @param id path string true "Database ID of User"
@@ -1253,11 +1197,7 @@ func (api *RestApi) getUsers(rw http.ResponseWriter, r *http.Request) {
// @security ApiKeyAuth
// @router /user/{id} [post]
func (api *RestApi) updateUser(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
return
}
// SecuredCheck() only worked with TokenAuth: Removed
if user := repository.GetUserFromContext(r.Context()); !user.HasRole(schema.RoleAdmin) {
http.Error(rw, "Only admins are allowed to update a user", http.StatusForbidden)
@@ -1305,7 +1245,6 @@ func (api *RestApi) updateUser(rw http.ResponseWriter, r *http.Request) {
// @tags User
// @description Modifies the content of notice.txt, shown as notice box on the homepage.
// @description If more than one formValue is set then only the highest priority field is used.
// @description Only accessible from IPs registered with apiAllowedIPs configuration option.
// @accept mpfd
// @produce plain
// @param new-content formData string false "Priority 1: New content to display"
@@ -1318,11 +1257,7 @@ func (api *RestApi) updateUser(rw http.ResponseWriter, r *http.Request) {
// @security ApiKeyAuth
// @router /notice/ [post]
func (api *RestApi) editNotice(rw http.ResponseWriter, r *http.Request) {
err := securedCheck(r)
if err != nil {
http.Error(rw, err.Error(), http.StatusForbidden)
return
}
// SecuredCheck() only worked with TokenAuth: Removed
if user := repository.GetUserFromContext(r.Context()); !user.HasRole(schema.RoleAdmin) {
http.Error(rw, "Only admins are allowed to update the notice.txt file", http.StatusForbidden)
@@ -1364,12 +1299,6 @@ func (api *RestApi) editNotice(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)
return
}
rw.Header().Set("Content-Type", "text/plain")
username := r.FormValue("username")
me := repository.GetUserFromContext(r.Context())
@@ -1398,11 +1327,7 @@ func (api *RestApi) getJWT(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)
return
}
// SecuredCheck() only worked with TokenAuth: Removed
user := repository.GetUserFromContext(r.Context())
if !user.HasRole(schema.RoleAdmin) {

80
internal/auth/auth.go
View File

@@ -10,9 +10,11 @@ import (
"database/sql"
"encoding/base64"
"errors"
"fmt"
"net"
"net/http"
"os"
"strings"
"sync"
"time"
@@ -20,6 +22,7 @@ import (
"github.com/ClusterCockpit/cc-backend/internal/config"
"github.com/ClusterCockpit/cc-backend/internal/repository"
"github.com/ClusterCockpit/cc-backend/internal/util"
"github.com/ClusterCockpit/cc-backend/pkg/log"
"github.com/ClusterCockpit/cc-backend/pkg/schema"
"github.com/gorilla/sessions"
@@ -233,9 +236,9 @@ func (auth *Authentication) Login(
limiter := getIPUserLimiter(ip, username)
if !limiter.Allow() {
log.Warnf("AUTH/RATE > Too many login attempts for combination IP: %s, Username: %s", ip, username)
onfailure(rw, r, errors.New("Too many login attempts, try again in a few minutes."))
return
log.Warnf("AUTH/RATE > Too many login attempts for combination IP: %s, Username: %s", ip, username)
onfailure(rw, r, errors.New("Too many login attempts, try again in a few minutes."))
return
}
var dbUser *schema.User
@@ -325,6 +328,14 @@ func (auth *Authentication) AuthApi(
onfailure(rw, r, err)
return
}
ipErr := securedCheck(user, "api", r)
if ipErr != nil {
log.Infof("auth api -> secured check failed: %s", err.Error())
onfailure(rw, r, ipErr)
return
}
if user != nil {
switch {
case len(user.Roles) == 1:
@@ -360,6 +371,14 @@ func (auth *Authentication) AuthUserApi(
onfailure(rw, r, err)
return
}
ipErr := securedCheck(user, "userapi", r)
if ipErr != nil {
log.Infof("auth user api -> secured check failed: %s", err.Error())
onfailure(rw, r, ipErr)
return
}
if user != nil {
switch {
case len(user.Roles) == 1:
@@ -445,3 +464,58 @@ func (auth *Authentication) Logout(onsuccess http.Handler) http.Handler {
onsuccess.ServeHTTP(rw, r)
})
}
// Helper Moved To MiddleWare Auth Handlers
func securedCheck(user *schema.User, checkEndpoint string, r *http.Request) error {
if user == nil {
return fmt.Errorf("no user for secured check")
}
// extract IP address for checking
IPAddress := r.Header.Get("X-Real-Ip")
if IPAddress == "" {
IPAddress = r.Header.Get("X-Forwarded-For")
}
if IPAddress == "" {
IPAddress = r.RemoteAddr
}
if strings.Contains(IPAddress, ":") {
IPAddress = strings.Split(IPAddress, ":")[0]
}
// Used for checking TokenAuth'd Requests Only: Remove '== schema.AuthToken'-Condition
if checkEndpoint == "api" {
// If nothing declared in config: deny all request to this api endpoint
if config.Keys.ApiAllowedIPs == nil || len(config.Keys.ApiAllowedIPs) == 0 {
return fmt.Errorf("missing configuration key ApiAllowedIPs")
}
// If wildcard declared in config: Continue
if config.Keys.ApiAllowedIPs[0] == "*" {
return nil
}
// check if IP is allowed
if !util.Contains(config.Keys.ApiAllowedIPs, IPAddress) {
return fmt.Errorf("unknown ip: %v", IPAddress)
}
} else if checkEndpoint == "userapi" {
// If nothing declared in config: deny all request to this api endpoint
if config.Keys.UserApiAllowedIPs == nil || len(config.Keys.UserApiAllowedIPs) == 0 {
return fmt.Errorf("missing configuration key UserApiAllowedIPs")
}
// If wildcard declared in config: Continue
if config.Keys.UserApiAllowedIPs[0] == "*" {
return nil
}
// check if IP is allowed
if !util.Contains(config.Keys.UserApiAllowedIPs, IPAddress) {
return fmt.Errorf("unknown user ip: %v", IPAddress)
}
} else {
return fmt.Errorf("unknown checkEndpoint for secured check")
}
return nil
}

5
pkg/schema/config.go
View File

@@ -100,9 +100,12 @@ type ProgramConfig struct {
// Address where the http (or https) server will listen on (for example: 'localhost:80').
Addr string `json:"addr"`
// Addresses from which secured API endpoints can be reached
// Addresses from which secured admin API endpoints can be reached, can be wildcard "*"
ApiAllowedIPs []string `json:"apiAllowedIPs"`
// Addresses from which secured admin API endpoints can be reached, can be wildcard "*"
UserApiAllowedIPs []string `json:"userApiAllowedIPs"`
// Drop root permissions once .env was read and the port was taken.
User string `json:"user"`
Group string `json:"group"`