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Generate lightning address host either from the x-forwarded-for header or from the request host

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When LnMe runs behind a proxy and the X-Forwarded-For HTTP header is set we want to use that value to generate the lightning address and not the local/internal host
This commit is contained in:
bumi 2021-11-05 13:21:02 +01:00
parent bf44f314dd
commit d1be2e20aa
1 changed files with 6 additions and 2 deletions
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8
lnme.go
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@ -146,14 +146,18 @@ func main() {
if !cfg.Bool("disable-ln-address") { if !cfg.Bool("disable-ln-address") {
lnurlHandler := func(c echo.Context) error { lnurlHandler := func(c echo.Context) error {
host := c.Request().Host
if c.Request().Header.Get(echo.HeaderXForwardedFor) != "" {
host = c.Request().Header.Get(echo.HeaderXForwardedFor)
}
name := c.Param("name") name := c.Param("name")
lightningAddress := name + "@" + c.Request().Host lightningAddress := name + "@" + host
lnurlMetadata := "[[\"text/identifier\", \"" + lightningAddress + "\"], [\"text/plain\", \"Sats for " + lightningAddress + "\"]]" lnurlMetadata := "[[\"text/identifier\", \"" + lightningAddress + "\"], [\"text/plain\", \"Sats for " + lightningAddress + "\"]]"
if amount := c.QueryParam("amount"); amount == "" { if amount := c.QueryParam("amount"); amount == "" {
lnurlPayResponse1 := lnurl.LNURLPayResponse1{ lnurlPayResponse1 := lnurl.LNURLPayResponse1{
LNURLResponse: lnurl.LNURLResponse{Status: "OK"}, LNURLResponse: lnurl.LNURLResponse{Status: "OK"},
Callback: fmt.Sprintf("%s://%s%s", c.Scheme(), c.Request().Host, c.Request().URL.Path), Callback: fmt.Sprintf("%s://%s%s", c.Scheme(), host, c.Request().URL.Path),
MinSendable: 1000, MinSendable: 1000,
MaxSendable: 100000000, MaxSendable: 100000000,
EncodedMetadata: lnurlMetadata, EncodedMetadata: lnurlMetadata,