Files
Authorization/handlers/authorize.go
T
2025-12-18 10:24:18 +08:00

86 lines
2.6 KiB
Go

package handlers
import (
"authorization/helper"
"authorization/middleware"
"authorization/models"
"authorization/services"
"encoding/json"
"log"
"net/http"
)
var authService *models.CachedAuthorizationService
// InitAuthService initializes the authorization service with caching
func InitAuthService() {
authService = services.NewCachedAuthorizationService()
}
// AuthorizeHandler godoc
// @Summary Check user authorization (RBAC + ABAC)
// @Description Validates if a user has permission to perform an action on a resource using Role-Based and Attribute-Based Access Control
// @Tags authorization
// @Accept json
// @Produce json
// @Param request body models.AuthorizationContext true "Authorization context with resource data"
// @Success 200 {object} models.AuthorizationResult
// @Failure 400 {object} map[string]string
// @Failure 401 {object} map[string]string
// @Failure 403 {object} models.AuthorizationResult
// @Security BearerToken
// @Router /v1/auth/check [post]
func AuthorizeHandler(w http.ResponseWriter, r *http.Request) {
// Get claims from JWT middleware
claims, ok := middleware.GetClaims(r)
if !ok {
helper.RespondWithError(w, http.StatusUnauthorized, "Unauthorized")
return
}
var ctx models.AuthorizationContext
err := json.NewDecoder(r.Body).Decode(&ctx)
if err != nil {
helper.RespondWithError(w, http.StatusBadRequest, "Invalid request payload")
return
}
// Validate request
if ctx.UserID == "" || ctx.Resource == "" || ctx.Action == "" {
helper.RespondWithError(w, http.StatusBadRequest, "Missing required fields: user_id, resource, action")
return
}
log.Print("Authorization request for user=", ctx.UserID, ", resource=", ctx.Resource, ", action=", ctx.Action)
log.Print("JWT claims user=", claims.UserID, ", username=", claims.Username, ", role=", claims.RoleID)
// Verify JWT user matches request user (security check)
if ctx.UserID != claims.UserID {
helper.RespondWithError(w, http.StatusForbidden, "User ID mismatch")
return
}
// Initialize maps if nil
if ctx.ResourceData == nil {
ctx.ResourceData = make(map[string]string)
}
if ctx.Environment == nil {
ctx.Environment = make(map[string]string)
}
// Perform authorization
result, err := services.AuthorizeWithCache(authService, &ctx)
if err != nil {
helper.LogError(err, "Authorization service error")
helper.RespondWithError(w, http.StatusInternalServerError, "Authorization check failed")
return
}
// Return result
if result.Allowed {
helper.RespondWithJSON(w, http.StatusOK, result)
} else {
helper.RespondWithJSON(w, http.StatusForbidden, result)
}
}