diff --git a/main.go b/main.go
index d2d6e2e..5ca9c52 100644
--- a/main.go
+++ b/main.go
@@ -3,6 +3,7 @@ package main
import (
"crypto/md5"
"crypto/subtle"
+ "encoding/json"
"fmt"
"html/template"
"io"
@@ -21,14 +22,14 @@ const (
downloadDir = "./chrome_versions"
checkInterval = 24 * time.Hour
maxRetries = 3
+ versionAPI = "https://versionhistory.googleapis.com/v1/chrome/platforms/win64/channels/stable/versions"
)
var (
- authToken string
- authEnabled bool
- port string
- keepVersions int
- chromeURL string
+ authToken string
+ authEnabled bool
+ port string
+ keepVersions int
)
type Version struct {
@@ -37,12 +38,20 @@ type Version struct {
Time time.Time
}
+type ChromeVersion struct {
+ Name string `json:"name"`
+ Version string `json:"version"`
+}
+
+type ChromeVersionResponse struct {
+ Versions []ChromeVersion `json:"versions"`
+}
+
func init() {
authToken = getEnv("AUTH_TOKEN", "")
authEnabled = getEnv("AUTH_ENABLED", "false") == "true" || authToken != ""
port = getEnv("PORT", "8080")
keepVersions, _ = strconv.Atoi(getEnv("KEEP_VERSIONS", "3"))
- chromeURL = getEnv("CHROME_URL", "https://dl.google.com/tag/s/appguid%3D%7B8A69D345-D564-463C-AFF1-A69D9E530F96%7D%26iid%3D%7B00000000-0000-0000-0000-000000000000%7D%26lang%3Dzh-CN%26browser%3D4%26usagestats%3D0%26appname%3DGoogle%2520Chrome%26needsadmin%3Dprefers%26ap%3Dx64-stable-statsdef_1%26installdataindex%3Dempty/chrome/install/ChromeStandaloneSetup64.exe")
}
func getEnv(key, defaultValue string) string {
@@ -56,7 +65,6 @@ func main() {
os.MkdirAll(downloadDir, 0755)
log.Printf("Auth enabled: %v, Port: %s, Keep versions: %d", authEnabled, port, keepVersions)
- // 启动时立即检查一次
log.Println("Performing initial check...")
checkAndDownload()
@@ -79,34 +87,86 @@ func monitor() {
}
}
-func checkAndDownload() {
- var data []byte
- var err error
+func getLatestVersion() (string, error) {
+ resp, err := http.Get(versionAPI)
+ if err != nil {
+ return "", err
+ }
+ defer resp.Body.Close()
- for i := 0; i < maxRetries; i++ {
- resp, err := http.Get(chromeURL)
- if err != nil {
- log.Printf("Attempt %d failed: %v", i+1, err)
- time.Sleep(time.Duration(i+1) * 10 * time.Second)
- continue
- }
-
- data, err = io.ReadAll(resp.Body)
- resp.Body.Close()
-
- if err == nil {
- break
- }
- log.Printf("Attempt %d read failed: %v", i+1, err)
+ var versionResp ChromeVersionResponse
+ if err := json.NewDecoder(resp.Body).Decode(&versionResp); err != nil {
+ return "", err
}
+ if len(versionResp.Versions) == 0 {
+ return "", fmt.Errorf("no versions found")
+ }
+
+ return versionResp.Versions[0].Version, nil
+}
+
+func checkAndDownload() {
+ version, err := getLatestVersion()
if err != nil {
- log.Println("All retries failed")
+ log.Printf("Failed to get latest version: %v", err)
return
}
+ log.Printf("Latest Chrome version: %s", version)
+
+ // 尝试多个可能的下载 URL 模式
+ urls := []string{
+ fmt.Sprintf("https://dl.google.com/release2/chrome/%%s_%s/%s_chrome_installer.exe", version, version),
+ fmt.Sprintf("https://dl.google.com/tag/s/appguid%%3D%%7B8A69D345-D564-463C-AFF1-A69D9E530F96%%7D%%26iid%%3D%%7B00000000-0000-0000-0000-000000000000%%7D%%26lang%%3Dzh-CN%%26browser%%3D4%%26usagestats%%3D0%%26appname%%3DGoogle%%2520Chrome%%26needsadmin%%3Dprefers%%26ap%%3Dx64-stable-statsdef_1%%26installdataindex%%3Dempty/chrome/install/ChromeStandaloneSetup64.exe"),
+ }
+
+ var data []byte
+ client := &http.Client{
+ CheckRedirect: func(req *http.Request, via []*http.Request) error {
+ log.Printf("Redirecting to: %s", req.URL.String())
+ return nil
+ },
+ }
+
+ for _, urlPattern := range urls {
+ for i := 0; i < maxRetries; i++ {
+ url := urlPattern
+ if strings.Contains(url, "%s") {
+ // 跳过需要 hash 的 URL
+ continue
+ }
+
+ log.Printf("Trying URL: %s", url)
+ resp, err := client.Get(url)
+ if err != nil {
+ log.Printf("Attempt %d failed: %v", i+1, err)
+ time.Sleep(time.Duration(i+1) * 10 * time.Second)
+ continue
+ }
+
+ contentType := resp.Header.Get("Content-Type")
+ contentLength := resp.Header.Get("Content-Length")
+ log.Printf("Content-Type: %s, Content-Length: %s", contentType, contentLength)
+
+ data, err = io.ReadAll(resp.Body)
+ resp.Body.Close()
+
+ if err == nil && len(data) > 10000000 && !strings.Contains(contentType, "text/html") {
+ goto success
+ }
+
+ log.Printf("Invalid response (size: %d bytes)", len(data))
+ time.Sleep(time.Duration(i+1) * 10 * time.Second)
+ }
+ }
+
+ log.Println("All download attempts failed")
+ return
+
+success:
hash := fmt.Sprintf("%x", md5.Sum(data))
- filename := fmt.Sprintf("chrome_%s_%s.exe", time.Now().Format("20060102"), hash[:8])
+ filename := fmt.Sprintf("chrome_%s_%s.exe", version, hash[:8])
filepath := filepath.Join(downloadDir, filename)
if _, err := os.Stat(filepath); err == nil {
@@ -192,14 +252,30 @@ func serveIndex(w http.ResponseWriter, r *http.Request) {
Chrome Offline Versions
{{range .Versions}}
-- {{.Filename}} ({{.Size}} bytes, {{.Time.Format "2006-01-02 15:04"}})
+- {{.Filename}} ({{printf "%.2f" .SizeMB}} MB, {{.Time.Format "2006-01-02 15:04"}})
{{end}}