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package sys
import (
"encoding/json"
"fmt"
"godo/libs"
"io"
"log"
"net/http"
"path/filepath"
"time"
"github.com/minio/selfupdate"
)
type OSInfo struct {
Amd64 string `json:"amd64"`
Arm64 string `json:"arm64"`
}
type VersionInfo struct {
Version string `json:"version"`
Name string `json:"name"`
Description string `json:"description"`
Changelog string `json:"changelog"`
Windows OSInfo `json:"windows"`
Linux OSInfo `json:"linux"`
Darwin OSInfo `json:"darwin"`
}
type ProgressReader struct {
reader io.Reader
total int64
err error
}
type DownloadStatus struct {
Name string `json:"name"`
Path string `json:"path"`
Url string `json:"url"`
Current int64 `json:"current"`
Size int64 `json:"size"`
Speed float64 `json:"speed"`
Progress float64 `json:"progress"`
Downloading bool `json:"downloading"`
Done bool `json:"done"`
}
type UpdateAdReq struct {
Img string `json:"img"`
Name string `json:"name"`
Link string `json:"link"`
Desc string `json:"desc"`
}
type UpdateVersionReq struct {
Version string `json:"version"`
Url string `json:"url"`
Name string `json:"name"`
Desc string `json:"desc"`
AdList []UpdateAdReq `json:"adList"`
}
func (pr *ProgressReader) Read(p []byte) (n int, err error) {
n, err = pr.reader.Read(p)
pr.err = err
pr.total += int64(n)
return
}
func UpdateAppHandler(w http.ResponseWriter, r *http.Request) {
url := r.URL.Query().Get("url")
resp, err := http.Get(url)
if err != nil {
return
}
defer resp.Body.Close()
pr := &ProgressReader{reader: resp.Body}
ticker := time.NewTicker(200 * time.Millisecond)
defer ticker.Stop()
flusher, ok := w.(http.Flusher)
if !ok {
log.Printf("Streaming unsupported")
http.Error(w, "Streaming unsupported", http.StatusInternalServerError)
return
}
// update progress
go func() {
for {
<-ticker.C
rp := &DownloadStatus{
Name: filepath.Base(url),
Path: "",
Url: url,
Current: pr.total,
Size: resp.ContentLength,
Speed: 0,
Progress: 100 * (float64(pr.total) / float64(resp.ContentLength)),
Downloading: pr.err == nil && pr.total < resp.ContentLength,
Done: pr.total == resp.ContentLength,
}
if pr.err != nil || pr.total == resp.ContentLength {
break
}
if w != nil {
jsonBytes, err := json.Marshal(rp)
if err != nil {
log.Printf("Error marshaling FileProgress to JSON: %v", err)
continue
}
io.WriteString(w, string(jsonBytes))
w.Write([]byte("\n"))
flusher.Flush()
} else {
log.Println("ResponseWriter is nil, cannot send progress")
}
}
}()
var updateFile io.Reader = pr
// apply update
err = selfupdate.Apply(updateFile, selfupdate.Options{})
if err != nil {
if rerr := selfupdate.RollbackError(err); rerr != nil {
http.Error(w, "update error:"+rerr.Error(), http.StatusInternalServerError)
return
}
return
}
// 更新完成后发送响应给前端
json.NewEncoder(w).Encode(map[string]bool{"updateCompleted": true})
}
func GetUpdateUrlHandler(w http.ResponseWriter, r *http.Request) {
info, err := libs.GetSystemInfo()
if err != nil {
http.Error(w, "update error:"+err.Error(), http.StatusInternalServerError)
return
}
updateUrl := "https://godocms.com/version?info=" + info
res, err := http.Get(updateUrl)
if err != nil {
libs.ErrorMsg(w, err.Error())
}
defer res.Body.Close()
if res.StatusCode == 200 {
body, err := io.ReadAll(res.Body)
if err != nil {
libs.ErrorMsg(w, err.Error())
return
}
var updateInfo UpdateVersionReq
err = json.Unmarshal(body, &updateInfo)
if err != nil {
fmt.Println("Error unmarshalling JSON:", err)
return
}
json.NewEncoder(w).Encode(updateInfo)
}
}