43 lines
1.3 KiB
Go
43 lines
1.3 KiB
Go
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package static
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import (
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"net/http"
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"os"
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"path/filepath"
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)
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func ExtensionDownloadHandler() http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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path, ok := resolveExtensionZipPath()
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if !ok {
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http.Error(w, "extension package not found", http.StatusNotFound)
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return
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}
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w.Header().Set("Content-Type", "application/zip")
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w.Header().Set("Content-Disposition", `attachment; filename="haixun-threads-sync.zip"`)
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http.ServeFile(w, r, path)
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}
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}
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func resolveExtensionZipPath() (string, bool) {
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candidates := []string{
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filepath.Join("web", "public", "downloads", "haixun-threads-sync.zip"),
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filepath.Join("backend", "web", "public", "downloads", "haixun-threads-sync.zip"),
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filepath.Join("..", "web", "public", "downloads", "haixun-threads-sync.zip"),
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filepath.Join("extension", "haixun-threads-sync.zip"),
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}
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if wd, err := os.Getwd(); err == nil {
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candidates = append(candidates,
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filepath.Join(wd, "web", "public", "downloads", "haixun-threads-sync.zip"),
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filepath.Join(wd, "backend", "web", "public", "downloads", "haixun-threads-sync.zip"),
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filepath.Join(wd, "..", "extension", "haixun-threads-sync.zip"),
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)
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}
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for _, candidate := range candidates {
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if info, err := os.Stat(candidate); err == nil && !info.IsDir() && info.Size() > 0 {
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return candidate, true
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}
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}
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return "", false
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}
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