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policy.go
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policy.go
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package policy
import (
"github.com/gin-gonic/gin"
"github.com/totoval/framework/auth"
"github.com/totoval/framework/model"
)
type key = string
type value = string
type Policier interface {
Before(IUser model.IUser, routeParamMap map[key]value) *bool
Create(IUser model.IUser, routeParamMap map[key]value) bool
Update(IUser model.IUser, routeParamMap map[key]value) bool
Delete(IUser model.IUser, routeParamMap map[key]value) bool
ForceDelete(IUser model.IUser, routeParamMap map[key]value) bool
View(IUser model.IUser, routeParamMap map[key]value) bool
Restore(IUser model.IUser, routeParamMap map[key]value) bool
}
type Action byte
const (
ActionCreate Action = iota
ActionUpdate
ActionDelete
ActionForceDelete
ActionView
ActionRestore
)
type Authorization struct {
auth.RequestUser
}
func (a *Authorization) Authorize(c *gin.Context, policies Policier, action Action) (permit bool, user model.IUser) {
if a.RequestUser.Scan(c) {
return false, nil
}
user = a.RequestUser.User()
rpm := make(map[key]value)
return policyValidate(user, policies, action, rpm), user
}
func policyValidate(user model.IUser, policies Policier, action Action, routeParamMap map[key]value) bool {
if user == nil {
return true
}
if policies == nil {
return true
}
if beforeResult := policies.Before(user, routeParamMap); beforeResult != nil {
return *beforeResult
}
switch action {
case ActionCreate:
return policies.Create(user, routeParamMap)
case ActionUpdate:
return policies.Update(user, routeParamMap)
case ActionDelete:
return policies.Delete(user, routeParamMap)
case ActionForceDelete:
return policies.ForceDelete(user, routeParamMap)
case ActionView:
return policies.View(user, routeParamMap)
case ActionRestore:
return policies.Restore(user, routeParamMap)
default:
return false
}
}