site_cache.go

// Copyright 2023 The casbin Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package object

import (
	"fmt"

	"github.com/casdoor/casdoor-go-sdk/casdoorsdk"
)

var siteMap = map[string]*Site{}

func InitSiteMap() {
	err := refreshSiteMap()
	if err != nil {
		panic(err)
	}
}

func getCertMap() (map[string]*casdoorsdk.Cert, error) {
	certs, err := casdoorsdk.GetCerts()
	if err != nil {
		return nil, err
	}

	res := map[string]*casdoorsdk.Cert{}
	for _, cert := range certs {
		res[cert.Name] = cert
	}
	return res, nil
}

func getApplicationMap() (map[string]*casdoorsdk.Application, error) {
	certMap, err := getCertMap()
	if err != nil {
		return nil, err
	}

	applications, err := casdoorsdk.GetOrganizationApplications()
	if err != nil {
		return nil, err
	}

	res := map[string]*casdoorsdk.Application{}
	for _, application := range applications {
		if application.Cert != "" {
			if cert, ok := certMap[application.Cert]; ok {
				application.CertObj = cert
			}
		}

		res[application.Name] = application
	}
	return res, nil
}

func refreshSiteMap() error {
	applicationMap, err := getApplicationMap()
	if err != nil {
		fmt.Println(err)
	}

	newSiteMap := map[string]*Site{}
	sites, err := GetGlobalSites()
	if err != nil {
		return err
	}

	for _, site := range sites {
		if site.SslCert != "" {
			site.SslCertObj, err = getCert("admin", site.SslCert)
			if err != nil {
				return err
			}
		}

		if applicationMap != nil {
			if site.CasdoorApplication != "" && site.ApplicationObj == nil {
				if v, ok2 := applicationMap[site.CasdoorApplication]; ok2 {
					site.ApplicationObj = v
				}
			}
		}

		if site.Domain != "" && site.PublicIp == "" {
			go func(site *Site) {
				site.PublicIp = resolveDomainToIp(site.Domain)
				UpdateSiteNoRefresh(site.GetId(), site)
			}(site)
		}

		newSiteMap[site.Domain] = site
		for _, domain := range site.OtherDomains {
			if domain != "" {
				newSiteMap[domain] = site
			}
		}
	}

	siteMap = newSiteMap
	return nil
}

func GetSiteByDomain(domain string) *Site {
	if site, ok := siteMap[domain]; ok {
		return site
	} else {
		return nil
	}
}