Allow non-UMA lnurl in demo vasp (#99)

lightsparkdev · Apr 23, 2024 · dd5b264 · dd5b264
1 parent 1f00287
commit dd5b264
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Showing 3 changed files with 37 additions and 3 deletions.
diff --git a/examples/uma-server/go.mod b/examples/uma-server/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/gin-gonic/gin v1.9.1
 	github.com/google/uuid v1.3.1
 	github.com/lightsparkdev/go-sdk v0.10.0
-	github.com/uma-universal-money-address/uma-go-sdk v1.0.0
+	github.com/uma-universal-money-address/uma-go-sdk v1.0.1
 )
 
 require (

diff --git a/examples/uma-server/go.sum b/examples/uma-server/go.sum
@@ -711,6 +711,8 @@ github.com/ugorji/go/codec v1.2.11 h1:BMaWp1Bb6fHwEtbplGBGJ498wD+LKlNSl25MjdZY4d
 github.com/ugorji/go/codec v1.2.11/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
 github.com/uma-universal-money-address/uma-go-sdk v1.0.0 h1:HaIsygLK2UovO5gXje4TCoHCW2O1Ab+gWjCNzm/ahvc=
 github.com/uma-universal-money-address/uma-go-sdk v1.0.0/go.mod h1:OimSKjRNT7Wm2lA0Q9C0DmxsMvqBickucUjtQmB8Cl8=
+github.com/uma-universal-money-address/uma-go-sdk v1.0.1 h1:vPSR7w4gkY7GVG6NlruhPw/gyHA914MuIh70AQInFzI=
+github.com/uma-universal-money-address/uma-go-sdk v1.0.1/go.mod h1:OimSKjRNT7Wm2lA0Q9C0DmxsMvqBickucUjtQmB8Cl8=
 github.com/urfave/cli/v2 v2.3.0/go.mod h1:LJmUH05zAU44vOAcrfzZQKsZbVcdbOG8rtL3/XcUArI=
 github.com/urfave/cli/v2 v2.10.2/go.mod h1:f8iq5LtQ/bLxafbdBSLPPNsgaW0l/2fYYEHhAyPlwvo=
 github.com/urfave/cli/v2 v2.24.1/go.mod h1:GHupkWPMM0M/sj1a2b4wUrWBPzazNrIjouW6fmdJLxc=

diff --git a/examples/uma-server/vasp1.go b/examples/uma-server/vasp1.go
@@ -56,9 +56,28 @@ func (v *Vasp1) handleClientUmaLookup(context *gin.Context) {
 	receiverId := addressParts[0]
 	receiverVasp := addressParts[1]
 	signingKey, err := v.config.UmaSigningPrivKeyBytes()
+	if err != nil {
+		context.JSON(http.StatusInternalServerError, gin.H{
+			"status": "ERROR",
+			"reason": err.Error(),
+		})
+		return
+	}
 
-	lnurlpRequest, err := uma.GetSignedLnurlpRequestUrl(
-		signingKey, receiverAddress, v.getVaspDomain(context), true, nil)
+	var lnurlpRequest *url.URL
+	if strings.HasPrefix(receiverVasp, "$") {
+		lnurlpRequest, err = uma.GetSignedLnurlpRequestUrl(
+			signingKey, receiverAddress, v.getVaspDomain(context), true, nil)
+		if err != nil {
+			context.JSON(http.StatusInternalServerError, gin.H{
+				"status": "ERROR",
+				"reason": err.Error(),
+			})
+			return
+		}
+	} else {
+		lnurlpRequest = v.getNonUmaLnurlRequestUrl(receiverId, receiverVasp, context.Request.Host)
+	}
 
 	resp, err := http.Get(lnurlpRequest.String())
 	if err != nil {
@@ -143,6 +162,19 @@ func (v *Vasp1) handleClientUmaLookup(context *gin.Context) {
 	})
 }
 
+func (v *Vasp1) getNonUmaLnurlRequestUrl(receiverId string, receiverVasp string, domain string) *url.URL {
+	scheme := "https"
+	if umautils.IsDomainLocalhost(domain) {
+		scheme = "http"
+	}
+
+	return &url.URL{
+		Scheme: scheme,
+		Host:   receiverVasp,
+		Path:   fmt.Sprintf("/.well-known/lnurlp/%s", receiverId),
+	}
+}
+
 func (v *Vasp1) handleUnsupportedVersionResponse(response *http.Response, signingKey []byte, receiverAddress string, context *gin.Context) (*http.Response, bool) {
 	responseBodyBytes, err := io.ReadAll(response.Body)
 	if err != nil {