From 64d605b6594dbb2782fac25a554586a1cf138cc9 Mon Sep 17 00:00:00 2001
From: "Dr. Tobias Baur" <tobias_baur@yahoo.com>
Date: Fri, 10 Mar 2023 10:23:00 +0100
Subject: [PATCH] Added possibility to simply forward address to an exisiting
 one

---
 db.go      |  9 ++++++---
 grab.html  |  3 +++
 index.html | 17 +++++++++++++++++
 lnurl.go   |  5 +++++
 nostr.go   |  9 ++++++---
 5 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/db.go b/db.go
index 7cac36c..18fb0a3 100644
--- a/db.go
+++ b/db.go
@@ -65,9 +65,12 @@ func SaveName(
 	params.Name = name
 	params.Domain = domain
 
-	// check if the given data works
-	if inv, err = makeInvoice(params, 1000, &pin, "", ""); err != nil {
-		return "", "", fmt.Errorf("couldn't make an invoice with the given data: %w", err)
+	if params.Kind != "forward" {
+		// check if the given data works
+		if inv, err = makeInvoice(params, 1000, &pin, "", ""); err != nil {
+			return "", "", fmt.Errorf("couldn't make an invoice with the given data: %w", err)
+		}
+
 	}
 
 	// save it
diff --git a/grab.html b/grab.html
index 6adef28..63fafe9 100644
--- a/grab.html
+++ b/grab.html
@@ -23,13 +23,16 @@
         <button class="copy-button" @click="copyToClipboard">
           {{ copied ? 'Copied!' : 'Copy Secret PIN' }}
         </button>
+        <div v-if="invoice != ''">
         <div class="bold-small">
           To ensure the connection with your Lightning backend is configured
           properly, we've created a test invoice that can be seen below.
         </div>
+        
         <canvas id="qr"></canvas>
         <div class="code">{{ invoice }}</div>
       </div>
+      </div>
       <div class="resources">
         <a class="resource-button" target="_blank" href="https://t.me/lnurl">
           Not working? Ask for help!
diff --git a/index.html b/index.html
index a661196..300c0d4 100644
--- a/index.html
+++ b/index.html
@@ -56,9 +56,26 @@
               <option value="sparko">Sparko (CLN)</option>
               <option value="eclair">Eclair</option>
               <option value="lnpay">LNPay</option>
+              <option value="forward">Forward</option>
 
             </select>
           </div>
+
+          <div v-if="kind == 'forward'">
+            <div class="field">
+              <label for="host">
+               Forward URl
+              </label>
+              <input
+                class="input full-width"
+                name="host"
+                id="host"
+                placeholder="https://walletofsatoshi.com/.well-known/lnurlp/ninthtractor31"
+              />
+            </div>
+           
+          </div>
+
           <div v-if="kind == 'lnd'">
             <div class="field">
               <label for="host">
diff --git a/lnurl.go b/lnurl.go
index 803dea6..a69cc47 100644
--- a/lnurl.go
+++ b/lnurl.go
@@ -89,6 +89,11 @@ func handleLNURL(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	if params.Kind == "forward" {
+		http.Redirect(w, r, params.Host, http.StatusSeeOther)
+		return
+	}
+
 	log.Info().Str("username", username).Str("domain", domain).Msg("got lnurl request")
 
 	if amount := r.URL.Query().Get("amount"); amount == "" {
diff --git a/nostr.go b/nostr.go
index 911bfe4..e6b41ce 100644
--- a/nostr.go
+++ b/nostr.go
@@ -64,9 +64,12 @@ func handleNip05(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if s.Nip05 {
-		middlestringtrim := middlestring[:len(middlestring)-2]
-		middlestringtrim += "\n"
-		response = firstpartstring + middlestringtrim + finalpartstring
+		if len(middlestring) > 2 {
+			middlestringtrim := middlestring[:len(middlestring)-2]
+
+			middlestringtrim += "\n"
+			response = firstpartstring + middlestringtrim + finalpartstring
+		}
 		w.Header().Set("Access-Control-Allow-Origin", "*")
 		w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
 		fmt.Fprintf(w, response)