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Handle base64 encoded URIs

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Signed-off-by: Knut Ahlers <knut@ahlers.me>
This commit is contained in:
Knut Ahlers 2021-11-05 16:05:02 +01:00
parent 222c0a7d63
commit 4206f2719d
Signed by: luzifer
GPG key ID: 0066F03ED215AD7D
1 changed files with 10 additions and 0 deletions
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10
main.go
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@ -2,6 +2,7 @@ package main
import (
"context"
"encoding/base64"
"fmt"
"net/http"
"net/url"
@ -99,6 +100,15 @@ func handleCache(w http.ResponseWriter, r *http.Request, uri string, update bool
})
)
if strings.HasPrefix(uri, "b64:") {
u, err := base64.URLEncoding.DecodeString(strings.TrimPrefix(uri, "b64:"))
if err != nil {
http.Error(w, "Unable to decode base64 URL", http.StatusBadRequest)
return
}
uri = string(u)
}
if u, err := url.Parse(uri); err != nil || u.Scheme == "" {
http.Error(w, "Unable to parse requested URL", http.StatusBadRequest)
return