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// Copyright 2021 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/proxy"
"code.gitea.io/gitea/modules/setting"
"github.com/hashicorp/go-version"
)
// RemoteVersion stores the remote version from the JSON endpoint
type RemoteVersion struct {
ID int64 `xorm:"pk autoincr"`
Version string `xorm:"VARCHAR(50)"`
}
func init() {
db.RegisterModel(new(RemoteVersion))
}
// GiteaUpdateChecker returns error when new version of Gitea is available
func GiteaUpdateChecker(httpEndpoint string) error {
httpClient := &http.Client{
Transport: &http.Transport{
Proxy: proxy.Proxy(),
},
}
req, err := http.NewRequest("GET", httpEndpoint, nil)
if err != nil {
return err
}
resp, err := httpClient.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
type v struct {
Latest struct {
Version string `json:"version"`
} `json:"latest"`
}
ver := v{}
err = json.Unmarshal(body, &ver)
if err != nil {
return err
}
return UpdateRemoteVersion(ver.Latest.Version)
}
// UpdateRemoteVersion updates the latest available version of Gitea
func UpdateRemoteVersion(version string) (err error) {
sess := db.NewSession(db.DefaultContext)
defer sess.Close()
if err = sess.Begin(); err != nil {
return err
}
currentVersion := &RemoteVersion{ID: 1}
has, err := sess.Get(currentVersion)
if err != nil {
return fmt.Errorf("get: %v", err)
} else if !has {
currentVersion.ID = 1
currentVersion.Version = version
if _, err = sess.InsertOne(currentVersion); err != nil {
return fmt.Errorf("insert: %v", err)
}
return nil
}
if _, err = sess.Update(&RemoteVersion{ID: 1, Version: version}); err != nil {
return err
}
return sess.Commit()
}
// GetRemoteVersion returns the current remote version (or currently installed verson if fail to fetch from DB)
func GetRemoteVersion() string {
e := db.GetEngine(db.DefaultContext)
v := &RemoteVersion{ID: 1}
_, err := e.Get(&v)
if err != nil {
// return current version if fail to fetch from DB
return setting.AppVer
}
return v.Version
}
// GetNeedUpdate returns true whether a newer version of Gitea is available
func GetNeedUpdate() bool {
curVer, err := version.NewVersion(setting.AppVer)
if err != nil {
// return false to fail silently
return false
}
remoteVer, err := version.NewVersion(GetRemoteVersion())
if err != nil {
// return false to fail silently
return false
}
return curVer.LessThan(remoteVer)
}
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