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| 1 | +// Copyright 2021 The Gitea Authors. All rights reserved. |
| 2 | +// Use of this source code is governed by a MIT-style |
| 3 | +// license that can be found in the LICENSE file. |
| 4 | + |
| 5 | +package models |
| 6 | + |
| 7 | +import ( |
| 8 | + "encoding/json" |
| 9 | + "fmt" |
| 10 | + "io/ioutil" |
| 11 | + "net/http" |
| 12 | + |
| 13 | + "code.gitea.io/gitea/models/db" |
| 14 | + "code.gitea.io/gitea/modules/proxy" |
| 15 | + "code.gitea.io/gitea/modules/setting" |
| 16 | + |
| 17 | + "github.com/hashicorp/go-version" |
| 18 | +) |
| 19 | + |
| 20 | +// RemoteVersion stores the remote version from the JSON endpoint |
| 21 | +type RemoteVersion struct { |
| 22 | + ID int64 `xorm:"pk autoincr"` |
| 23 | + Version string `xorm:"VARCHAR(50)"` |
| 24 | +} |
| 25 | + |
| 26 | +func init() { |
| 27 | + db.RegisterModel(new(RemoteVersion)) |
| 28 | +} |
| 29 | + |
| 30 | +// GiteaUpdateChecker returns error when new version of Gitea is available |
| 31 | +func GiteaUpdateChecker(httpEndpoint string) error { |
| 32 | + httpClient := &http.Client{ |
| 33 | + Transport: &http.Transport{ |
| 34 | + Proxy: proxy.Proxy(), |
| 35 | + }, |
| 36 | + } |
| 37 | + |
| 38 | + req, err := http.NewRequest("GET", httpEndpoint, nil) |
| 39 | + if err != nil { |
| 40 | + return err |
| 41 | + } |
| 42 | + resp, err := httpClient.Do(req) |
| 43 | + if err != nil { |
| 44 | + return err |
| 45 | + } |
| 46 | + defer resp.Body.Close() |
| 47 | + body, err := ioutil.ReadAll(resp.Body) |
| 48 | + if err != nil { |
| 49 | + return err |
| 50 | + } |
| 51 | + |
| 52 | + type v struct { |
| 53 | + Latest struct { |
| 54 | + Version string `json:"version"` |
| 55 | + } `json:"latest"` |
| 56 | + } |
| 57 | + ver := v{} |
| 58 | + err = json.Unmarshal(body, &ver) |
| 59 | + if err != nil { |
| 60 | + return err |
| 61 | + } |
| 62 | + |
| 63 | + return UpdateRemoteVersion(ver.Latest.Version) |
| 64 | + |
| 65 | +} |
| 66 | + |
| 67 | +// UpdateRemoteVersion updates the latest available version of Gitea |
| 68 | +func UpdateRemoteVersion(version string) (err error) { |
| 69 | + sess := db.NewSession(db.DefaultContext) |
| 70 | + defer sess.Close() |
| 71 | + if err = sess.Begin(); err != nil { |
| 72 | + return err |
| 73 | + } |
| 74 | + |
| 75 | + currentVersion := &RemoteVersion{ID: 1} |
| 76 | + has, err := sess.Get(currentVersion) |
| 77 | + if err != nil { |
| 78 | + return fmt.Errorf("get: %v", err) |
| 79 | + } else if !has { |
| 80 | + currentVersion.ID = 1 |
| 81 | + currentVersion.Version = version |
| 82 | + |
| 83 | + if _, err = sess.InsertOne(currentVersion); err != nil { |
| 84 | + return fmt.Errorf("insert: %v", err) |
| 85 | + } |
| 86 | + return nil |
| 87 | + } |
| 88 | + |
| 89 | + if _, err = sess.Update(&RemoteVersion{ID: 1, Version: version}); err != nil { |
| 90 | + return err |
| 91 | + } |
| 92 | + |
| 93 | + return sess.Commit() |
| 94 | +} |
| 95 | + |
| 96 | +// GetRemoteVersion returns the current remote version (or currently installed verson if fail to fetch from DB) |
| 97 | +func GetRemoteVersion() string { |
| 98 | + e := db.GetEngine(db.DefaultContext) |
| 99 | + v := &RemoteVersion{ID: 1} |
| 100 | + _, err := e.Get(&v) |
| 101 | + if err != nil { |
| 102 | + // return current version if fail to fetch from DB |
| 103 | + return setting.AppVer |
| 104 | + } |
| 105 | + return v.Version |
| 106 | +} |
| 107 | + |
| 108 | +// GetNeedUpdate returns true whether a newer version of Gitea is available |
| 109 | +func GetNeedUpdate() bool { |
| 110 | + curVer, err := version.NewVersion(setting.AppVer) |
| 111 | + if err != nil { |
| 112 | + // return false to fail silently |
| 113 | + return false |
| 114 | + } |
| 115 | + remoteVer, err := version.NewVersion(GetRemoteVersion()) |
| 116 | + if err != nil { |
| 117 | + // return false to fail silently |
| 118 | + return false |
| 119 | + } |
| 120 | + return curVer.LessThan(remoteVer) |
| 121 | +} |
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