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refactor(mediaproxy): use *url.URL for MEDIA_PROXY_CUSTOM_URL

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Same behaviour as for HTTP_CLIENT_PROXY.
This commit is contained in:
gudvinr 2025-07-23 21:41:24 +03:00 • committed by Frédéric Guillot
parent 40fa77851c
commit ce6cadc176
5 changed files with 17 additions and 33 deletions
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15
internal/mediaproxy/media_proxy_test.go
View file

@ -278,19 +278,8 @@ func TestProxyFilterWithHttpsAlwaysAndIncorrectCustomProxyServer(t *testing.T) {
var err error
parser := config.NewParser()
config.Opts, err = parser.ParseEnvironmentVariables()
if err != nil {
t.Fatalf(`Parsing failure: %v`, err)
}
r := mux.NewRouter()
r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
input := `<p><img src="https://website/folder/image.png" alt="Test"/></p>`
output := RewriteDocumentWithRelativeProxyURL(r, input)
expected := `<p><img src="https://website/folder/image.png" alt="Test"/></p>`
if expected != output {
t.Errorf(`Not expected output: got %q instead of %q`, output, expected)
if err == nil {
t.Fatalf(`Incorrect proxy URL silently accepted (MEDIA_PROXY_CUSTOM_URL=%q): %q`, os.Getenv("MEDIA_PROXY_CUSTOM_URL"), config.Opts.MediaCustomProxyURL())
}
}

21
internal/mediaproxy/url.go
View file

@ -7,7 +7,6 @@ import (
"crypto/hmac"
"crypto/sha256"
"encoding/base64"
"log/slog"
"net/url"
"github.com/gorilla/mux"
@ -21,7 +20,7 @@ func ProxifyRelativeURL(router *mux.Router, mediaURL string) string {
return ""
}
if customProxyURL := config.Opts.MediaCustomProxyURL(); customProxyURL != "" {
if customProxyURL := config.Opts.MediaCustomProxyURL(); customProxyURL != nil {
return proxifyURLWithCustomProxy(mediaURL, customProxyURL)
}
@ -36,7 +35,7 @@ func ProxifyAbsoluteURL(router *mux.Router, mediaURL string) string {
return ""
}
if customProxyURL := config.Opts.MediaCustomProxyURL(); customProxyURL != "" {
if customProxyURL := config.Opts.MediaCustomProxyURL(); customProxyURL != nil {
return proxifyURLWithCustomProxy(mediaURL, customProxyURL)
}
@ -50,19 +49,11 @@ func ProxifyAbsoluteURL(router *mux.Router, mediaURL string) string {
return absoluteURL
}
func proxifyURLWithCustomProxy(mediaURL, customProxyURL string) string {
if customProxyURL == "" {
func proxifyURLWithCustomProxy(mediaURL string, customProxyURL *url.URL) string {
if customProxyURL == nil {
return mediaURL
}
absoluteURL, err := url.JoinPath(customProxyURL, base64.URLEncoding.EncodeToString([]byte(mediaURL)))
if err != nil {
slog.Error("Incorrect custom media proxy URL",
slog.String("custom_proxy_url", customProxyURL),
slog.Any("error", err),
)
return mediaURL
}
return absoluteURL
absoluteURL := customProxyURL.JoinPath(base64.URLEncoding.EncodeToString([]byte(mediaURL)))
return absoluteURL.String()
}