func (m *Middleware) IsAuthorized(resource, permission string, environment *env) func(hydcon.ContextHandler) hydcon.ContextHandler {
return func(next hydcon.ContextHandler) hydcon.ContextHandler {
return hydcon.ContextHandlerFunc(func(ctx context.Context, rw http.ResponseWriter, req *http.Request) {
if environment == nil {
environment = Env(req)
}
policies, err := hydcon.PoliciesFromContext(ctx)
if err != nil {
log.WithFields(log.Fields{"authorization": "forbidden"}).Warnf(`Policy extraction failed: "%s".`, err)
errorHandler(rw, req, http.StatusForbidden)
return
}
subject, err := hydcon.SubjectFromContext(ctx)
if err != nil {
log.WithFields(log.Fields{"authorization": "forbidden"}).Warnf(`Forbidden! Subject extraction failed: "%s".`, err)
errorHandler(rw, req, http.StatusForbidden)
return
}
ok, err := guard.IsGranted(resource, permission, subject, policies, environment.Ctx())
if err != nil || !ok {
log.WithFields(log.Fields{"authorization": "forbidden"}).Warnf(`Forbidden! Subject "%s" is not being granted access "%s" to resource "%s".`, subject, permission, resource)
errorHandler(rw, req, http.StatusForbidden)
return
}
log.WithFields(log.Fields{"authorization": "success"}).Infof(`Allowed! Granting subject "%s" access "%s" to resource "%s".`, subject, permission, resource)
next.ServeHTTPContext(ctx, rw, req)
})
}
}
func (m *Middleware) IsAuthorized(resource, permission string, environment *middleware.Env) func(chd.ContextHandler) chd.ContextHandler {
return func(next chd.ContextHandler) chd.ContextHandler {
return chd.ContextHandlerFunc(func(ctx context.Context, rw http.ResponseWriter, req *http.Request) {
if environment == nil {
environment = middleware.NewEnv(req)
}
policies, err := authcon.PoliciesFromContext(ctx)
if err != nil {
log.WithFields(log.Fields{
"authorization": "forbidden",
"error": err,
}).Warnf(`Policy extraction failed.`)
pkg.HttpError(rw, errors.New("Forbidden"), http.StatusForbidden)
return
}
subject, err := authcon.SubjectFromContext(ctx)
if err != nil {
log.WithFields(log.Fields{
"authorization": "forbidden",
"error": err,
}).Warnf(`Subject extraction failed.`)
pkg.HttpError(rw, errors.New("Forbidden"), http.StatusForbidden)
return
}
ok, err := guard.IsGranted(resource, permission, subject, policies, environment.Ctx())
if err != nil || !ok {
log.WithFields(log.Fields{
"authorization": "forbidden",
"error": err,
"valid": ok,
"subject": subject,
"permission": permission,
"resource": resource,
}).Warnf(`Subject is not allowed perform this action on this resource.`)
pkg.HttpError(rw, errors.New("Forbidden"), http.StatusForbidden)
return
}
log.WithFields(log.Fields{
"authorization": "success",
"subject": subject,
"permission": permission,
"resource": resource,
}).Infof(`Access granted.`)
next.ServeHTTPContext(ctx, rw, req)
})
}
}
func (m *Middleware) IsAuthenticated(next chd.ContextHandler) chd.ContextHandler {
return chd.ContextHandlerFunc(func(ctx context.Context, rw http.ResponseWriter, req *http.Request) {
if !authcon.IsAuthenticatedFromContext(ctx) {
log.WithFields(log.Fields{"authentication": "fail"}).Warn(`Not able to get authorization from context.`)
pkg.HttpError(rw, errors.New("Unauthorized"), http.StatusUnauthorized)
return
}
subject, err := authcon.SubjectFromContext(ctx)
if err != nil {
log.WithFields(log.Fields{"authentication": "fail"}).Warnf("Subject extraction failed: %s", err)
pkg.HttpError(rw, errors.New("Unauthorized"), http.StatusUnauthorized)
return
} else if subject == "" {
log.WithFields(log.Fields{"authentication": "fail"}).Warnf("No subject given.")
pkg.HttpError(rw, errors.New("Unauthorized"), http.StatusUnauthorized)
return
}
log.WithFields(log.Fields{"authentication": "success"}).Infof(`Authenticated subject "%s".`, subject)
next.ServeHTTPContext(ctx, rw, req)
})
}