91 lines
1.9 KiB
Go
91 lines
1.9 KiB
Go
package application
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import (
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"NanoKVM-Server/proto"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"os"
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"strings"
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"time"
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"github.com/gin-gonic/gin"
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log "github.com/sirupsen/logrus"
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)
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type Latest struct {
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Version string `json:"version"`
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Name string `json:"name"`
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Sha512 string `json:"sha512"`
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Size uint `json:"size"`
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Url string `json:"url"`
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}
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func (s *Service) GetVersion(c *gin.Context) {
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var rsp proto.Response
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// current version
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currentVersion := "2.3.0.b1"
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versionFile := fmt.Sprintf("%s/version", AppDir)
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if version, err := os.ReadFile(versionFile); err == nil {
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currentVersion = strings.ReplaceAll(string(version), "\n", "")
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}
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log.Debugf("current version: %s", currentVersion)
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// latest version
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latest, err := getLatest()
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if err != nil {
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rsp.ErrRsp(c, -1, "get latest version failed")
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return
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}
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rsp.OkRspWithData(c, &proto.GetVersionRsp{
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Current: currentVersion,
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Latest: latest.Version,
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UpdateUrl: StableURL,
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})
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}
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func getLatest() (*Latest, error) {
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baseURL := StableURL
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if isPreviewEnabled() {
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baseURL = PreviewURL
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}
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url := fmt.Sprintf("%s/latest.json?now=%d", baseURL, time.Now().Unix())
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resp, err := http.Get(url)
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if err != nil {
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log.Debugf("failed to request version: %v", err)
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return nil, err
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}
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defer func() {
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_ = resp.Body.Close()
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}()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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log.Errorf("failed to read response: %v", err)
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return nil, err
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}
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if resp.StatusCode != http.StatusOK {
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log.Errorf("server responded with status code: %d", resp.StatusCode)
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return nil, fmt.Errorf("status code %d", resp.StatusCode)
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}
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var latest Latest
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if err := json.Unmarshal(body, &latest); err != nil {
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log.Errorf("failed to unmarshal response: %s", err)
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return nil, err
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}
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latest.Url = fmt.Sprintf("%s/%s", baseURL, latest.Name)
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log.Debugf("get application latest version: %s", latest.Version)
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return &latest, nil
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}
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