taler-typescript-core

commit 9ff4c77cfd93c13a35eb149e945fd96d5f80e6e5
parent 66ad8e8f38c4270995067c2f850eac3b38337ce7
Author: Florian Dold <florian@dold.me>
Date:   Sat, 19 Apr 2025 17:08:12 +0200

util: filter QR codes for CH/EU

Diffstat:
M
packages/taler-util/src/qr.ts
 | 
12
+++++++++++-

1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/packages/taler-util/src/qr.ts b/packages/taler-util/src/qr.ts
@@ -39,7 +39,11 @@ function encodePaytoAsSwissQrBill(paytoUri: string): EncodeResult {
   }
   const targetPathParts = parsedPayto.targetPath.split("/");
   const beneficiaryIban = targetPathParts[targetPathParts.length - 1];
-  const countryCode = beneficiaryIban.slice(0, 2);
+  const countryCode = beneficiaryIban.slice(0, 2).toUpperCase();
+  if (countryCode !== "CH") {
+    // We only show the Swiss payment QR code for Swiss IBANs
+    return { type: "skip" };
+  }
   const lines = [
     "SPC", // QRType
     "0200", // Version
@@ -102,6 +106,12 @@ function encodePaytoAsEpcQr(paytoUri: string): EncodeResult {
   const amountStr = parsedPayto.params["amount"];
   const targetPathParts = parsedPayto.targetPath.split("/");
   const beneficiaryIban = targetPathParts[targetPathParts.length - 1];
+  const countryCode = beneficiaryIban.slice(0, 2).toUpperCase();
+  switch (countryCode) {
+    case "CH":
+      // Switzerland has its own QR code, do not generate EPC.
+      return { type: "skip" };
+  }
   const amt =
     amountStr !== undefined
       ? `${Amounts.currencyOf(amountStr)}${Amounts.stringifyValue(