downloads.go
70 lines1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
package controllers
import (
"fmt"
"net/http"
"path/filepath"
"congo.gg/pkg/application"
)
const downloadsDir = "/usr/local/share/congo/downloads"
func Downloads() (string, *DownloadsController) {
return "downloads", &DownloadsController{}
}
type DownloadsController struct {
application.BaseController
}
type Platform struct {
OS string
Arch string
Label string
Filename string
}
var platforms = []Platform{
{OS: "darwin", Arch: "arm64", Label: "macOS (Apple Silicon)", Filename: "congo-darwin-arm64.tar.gz"},
{OS: "darwin", Arch: "amd64", Label: "macOS (Intel)", Filename: "congo-darwin-amd64.tar.gz"},
{OS: "linux", Arch: "amd64", Label: "Linux (x86_64)", Filename: "congo-linux-amd64.tar.gz"},
{OS: "linux", Arch: "arm64", Label: "Linux (ARM64)", Filename: "congo-linux-arm64.tar.gz"},
{OS: "windows", Arch: "amd64", Label: "Windows (x86_64)", Filename: "congo-windows-amd64.zip"},
}
var validFiles = map[string]bool{
"congo-darwin-arm64.tar.gz": true,
"congo-darwin-amd64.tar.gz": true,
"congo-linux-amd64.tar.gz": true,
"congo-linux-arm64.tar.gz": true,
"congo-windows-amd64.zip": true,
}
func (c *DownloadsController) Setup(app *application.App) {
c.BaseController.Setup(app)
http.Handle("GET /download", app.Serve("download.html", nil))
http.Handle("GET /download/{filename}", app.Method(c, "ServeFile", nil))
}
func (c DownloadsController) Handle(r *http.Request) application.Controller {
c.Request = r
return &c
}
func (c *DownloadsController) Platforms() []Platform {
return platforms
}
func (c *DownloadsController) ServeFile(w http.ResponseWriter, r *http.Request) {
filename := r.PathValue("filename")
if !validFiles[filename] {
http.NotFound(w, r)
return
}
path := filepath.Join(downloadsDir, filename)
w.Header().Set("Content-Disposition", fmt.Sprintf(`attachment; filename="%s"`, filename))
http.ServeFile(w, r, path)
}