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package authz
import (
"fmt"
"net"
"net/http"
"github.com/casbin/casbin/v3"
"github.com/xlgmokha/x/pkg/log"
"github.com/xlgmokha/x/pkg/x"
)
func WithCasbin() Authorizer {
enforcer := x.Must(casbin.NewEnforcer("casbin.conf", "casbin.csv"))
return AuthorizerFunc(func(r *http.Request) bool {
host, _, err := net.SplitHostPort(r.Host)
if err != nil {
log.WithFields(r.Context(), log.Fields{"error": err})
return false
}
subject, found := TokenFrom(r).Subject()
if !found {
subject = "*"
}
ok, err := enforcer.Enforce(subject, host, r.Method, r.URL.Path)
if err != nil {
log.WithFields(r.Context(), log.Fields{"error": err})
return false
}
fmt.Printf("%v: %v -> %v %v%v\n", ok, subject, r.Method, host, r.URL.Path)
log.WithFields(r.Context(), log.Fields{
"authz": ok,
"subject": subject,
"action": r.Method,
"domain": host,
"object": r.URL.Path,
})
return ok
})
}
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