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oppi.li
1package knotserver
2
3import (
4 "net/http"
5 "os"
6 "path/filepath"
7
8 "github.com/bluesky-social/indigo/atproto/syntax"
9 securejoin "github.com/cyphar/filepath-securejoin"
10 "github.com/go-chi/chi/v5"
11 "github.com/microcosm-cc/bluemonday"
12)
13
14func sanitize(content []byte) []byte {
15 return bluemonday.UGCPolicy().SanitizeBytes([]byte(content))
16}
17
18func didPath(r *http.Request) string {
19 did := chi.URLParam(r, "did")
20 name := chi.URLParam(r, "name")
21 path, _ := securejoin.SecureJoin(did, name)
22 filepath.Clean(path)
23 return path
24}
25
26func getDescription(path string) (desc string) {
27 db, err := os.ReadFile(filepath.Join(path, "description"))
28 if err == nil {
29 desc = string(db)
30 } else {
31 desc = ""
32 }
33 return
34}
35func setContentDisposition(w http.ResponseWriter, name string) {
36 h := "inline; filename=\"" + name + "\""
37 w.Header().Add("Content-Disposition", h)
38}
39
40func setGZipMIME(w http.ResponseWriter) {
41 setMIME(w, "application/gzip")
42}
43
44func setMIME(w http.ResponseWriter, mime string) {
45 w.Header().Add("Content-Type", mime)
46}
47
48var TIDClock = syntax.NewTIDClock(0)
49
50func TID() string {
51 return TIDClock.Next().String()
52}