104 lines
1.9 KiB
Go
104 lines
1.9 KiB
Go
package main
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import (
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"io/ioutil"
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"net/http"
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"github.com/azukaar/cosmos-server/src/utils"
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"os"
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"path/filepath"
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"encoding/json"
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"github.com/jasonlvhit/gocron"
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"github.com/Masterminds/semver"
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)
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type Version struct {
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Version string `json:"version"`
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}
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// compareSemver compares two semantic version strings.
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// Returns:
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// 0 if v1 == v2
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// 1 if v1 > v2
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// -1 if v1 < v2
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// error if there's a problem parsing either version string
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func compareSemver(v1, v2 string) (int, error) {
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ver1, err := semver.NewVersion(v1)
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if err != nil {
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utils.Error("compareSemver 1 " + v1, err)
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return 0, err
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}
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ver2, err := semver.NewVersion(v2)
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if err != nil {
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utils.Error("compareSemver 2 " + v2, err)
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return 0, err
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}
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return ver1.Compare(ver2), nil
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}
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func checkVersion() {
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utils.NewVersionAvailable = false
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ex, err := os.Executable()
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if err != nil {
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panic(err)
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}
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exPath := filepath.Dir(ex)
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pjs, errPR := os.Open(exPath + "/meta.json")
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if errPR != nil {
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utils.Error("checkVersion", errPR)
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return
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}
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packageJson, _ := ioutil.ReadAll(pjs)
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utils.Debug("checkVersion" + string(packageJson))
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var version Version
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errJ := json.Unmarshal(packageJson, &version)
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if errJ != nil {
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utils.Error("checkVersion", errJ)
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return
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}
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myVersion := version.Version
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response, err := http.Get("https://cosmos-cloud.io/versions/" + myVersion)
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if err != nil {
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utils.Error("checkVersion", err)
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return
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}
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defer response.Body.Close()
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body, err := ioutil.ReadAll(response.Body)
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if err != nil {
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utils.Error("checkVersion", err)
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return
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}
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cp, errc := compareSemver(myVersion, string(body))
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if errc != nil {
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utils.Error("checkVersion", errc)
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return
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}
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if cp == -1 {
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utils.Log("New version available: " + string(body))
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utils.NewVersionAvailable = true
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} else {
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utils.Log("No new version available")
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}
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}
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func CRON() {
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go func() {
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gocron.Every(1).Day().At("00:00").Do(checkVersion)
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<-gocron.Start()
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}()
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} |