mirror of https://github.com/go-gitea/gitea
98 lines
2.3 KiB
Go
98 lines
2.3 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package updatechecker
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import (
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"context"
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"io"
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"net/http"
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"code.gitea.io/gitea/modules/json"
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"code.gitea.io/gitea/modules/proxy"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/system"
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"github.com/hashicorp/go-version"
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)
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// CheckerState stores the remote version from the JSON endpoint
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type CheckerState struct {
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LatestVersion string
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}
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// Name returns the name of the state item for update checker
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func (r *CheckerState) Name() string {
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return "update-checker"
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}
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// GiteaUpdateChecker returns error when new version of Gitea is available
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func GiteaUpdateChecker(httpEndpoint string) error {
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httpClient := &http.Client{
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Transport: &http.Transport{
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Proxy: proxy.Proxy(),
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},
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}
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req, err := http.NewRequest("GET", httpEndpoint, nil)
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if err != nil {
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return err
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}
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resp, err := httpClient.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return err
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}
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type respType struct {
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Latest struct {
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Version string `json:"version"`
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} `json:"latest"`
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}
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respData := respType{}
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err = json.Unmarshal(body, &respData)
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if err != nil {
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return err
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}
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return UpdateRemoteVersion(req.Context(), respData.Latest.Version)
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}
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// UpdateRemoteVersion updates the latest available version of Gitea
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func UpdateRemoteVersion(ctx context.Context, version string) (err error) {
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return system.AppState.Set(ctx, &CheckerState{LatestVersion: version})
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}
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// GetRemoteVersion returns the current remote version (or currently installed version if fail to fetch from DB)
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func GetRemoteVersion(ctx context.Context) string {
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item := new(CheckerState)
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if err := system.AppState.Get(ctx, item); err != nil {
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return ""
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}
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return item.LatestVersion
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}
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// GetNeedUpdate returns true whether a newer version of Gitea is available
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func GetNeedUpdate(ctx context.Context) bool {
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curVer, err := version.NewVersion(setting.AppVer)
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if err != nil {
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// return false to fail silently
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return false
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}
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remoteVerStr := GetRemoteVersion(ctx)
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if remoteVerStr == "" {
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// no remote version is known
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return false
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}
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remoteVer, err := version.NewVersion(remoteVerStr)
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if err != nil {
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// return false to fail silently
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return false
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}
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return curVer.LessThan(remoteVer)
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}
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