paypro: add PayPro.verifyCertChain.

lib/PayPro.js

@@ -107,7 +107,24 @@ PayPro.prototype.x509Verify = function(returnTrust) {
     return verified;
   }
 
-  var chainVerified = chain.every(function(cert, i) {
+  var chainVerified = PayPro.verifyCertChain(chain, type);
+
+  if (returnTrust) {
+    return {
+      selfSigned: 0, // no
+      isChain: true,
+      verified: verified,
+      caTrusted: !!caName,
+      caName: caName || null,
+      chainVerified: chainVerified
+    };
+  }
+
+  return verified && chainVerified;
+};
+
+PayPro.verifyCertChain = function(chain, type) {
+  return chain.every(function(cert, i) {
     var der = cert.toString('hex');
     var pem = PayPro.DERtoPEM(der, 'CERTIFICATE');
     var name = RootCerts.getTrusted(pem);
@@ -168,19 +185,6 @@ PayPro.prototype.x509Verify = function(returnTrust) {
       && issuerVerified
       && sigVerified;
   });
-
-  if (returnTrust) {
-    return {
-      selfSigned: 0, // no
-      isChain: true,
-      verified: verified,
-      caTrusted: !!caName,
-      caName: caName || null,
-      chainVerified: chainVerified
-    };
-  }
-
-  return verified && chainVerified;
 };
 
 module.exports = PayPro;

lib/browser/PayPro.js

@@ -122,7 +122,24 @@ PayPro.prototype.x509Verify = function(returnTrust) {
     return verified;
   }
 
-  var chainVerified = chain.every(function(cert, i) {
+  var chainVerified = PayPro.verifyCertChain(chain, type);
+
+  if (returnTrust) {
+    return {
+      selfSigned: 0, // no
+      isChain: true,
+      verified: verified,
+      caTrusted: !!caName,
+      caName: caName || null,
+      chainVerified: chainVerified
+    };
+  }
+
+  return verified && chainVerified;
+};
+
+PayPro.verifyCertChain = function(chain, type) {
+  return chain.every(function(cert, i) {
     var der = cert.toString('hex');
     // var pem = self._DERtoPEM(der, 'CERTIFICATE');
     var pem = KJUR.asn1.ASN1Util.getPEMStringFromHex(der, 'CERTIFICATE');
@@ -200,19 +217,6 @@ PayPro.prototype.x509Verify = function(returnTrust) {
       && issuerVerified
       && sigVerified;
   });
-
-  if (returnTrust) {
-    return {
-      selfSigned: 0, // no
-      isChain: true,
-      verified: verified,
-      caTrusted: !!caName,
-      caName: caName || null,
-      chainVerified: chainVerified
-    };
-  }
-
-  return verified && chainVerified;
 };
 
 module.exports = PayPro;