3 files changed, 11 insertions, 9 deletions
diff --git a/app/scripts/config.js b/app/scripts/config.js
index b4541a04a..ec421744d 100644
--- a/app/scripts/config.js
+++ b/app/scripts/config.js
@@ -1,5 +1,6 @@
 const MAINET_RPC_URL = 'https://mainnet.infura.io/metamask'
 const TESTNET_RPC_URL = 'https://ropsten.infura.io/metamask'
+const KOVAN_RPC_URL = 'https://kovan.infura.io/metamask'
 const DEFAULT_RPC_URL = TESTNET_RPC_URL
 
 global.METAMASK_DEBUG = 'GULP_METAMASK_DEBUG'
@@ -10,5 +11,6 @@ module.exports = {
     mainnet: MAINET_RPC_URL,
     testnet: TESTNET_RPC_URL,
     morden: TESTNET_RPC_URL,
+    kovan: KOVAN_RPC_URL,
   },
 }
diff --git a/app/scripts/contentscript.js b/app/scripts/contentscript.js
index ab64dc9fa..020208ceb 100644
--- a/app/scripts/contentscript.js
+++ b/app/scripts/contentscript.js
@@ -69,14 +69,10 @@ function shouldInjectWeb3 () {
 }
 
 function isAllowedSuffix (testCase) {
-  var prohibitedTypes = ['xml', 'pdf']
-  var currentUrl = window.location.href
-  var currentRegex
-  for (let i = 0; i < prohibitedTypes.length; i++) {
-    currentRegex = new RegExp(`\.${prohibitedTypes[i]}$`)
-    if (currentRegex.test(currentUrl)) {
-      return false
-    }
+  const doctype = window.document.doctype
+  if (doctype) {
+    return doctype.name === 'html'
+  } else {
+    return false
   }
-  return true
 }
diff --git a/app/scripts/lib/config-manager.js b/app/scripts/lib/config-manager.js
index 6868637e5..e31cb45ed 100644
--- a/app/scripts/lib/config-manager.js
+++ b/app/scripts/lib/config-manager.js
@@ -5,6 +5,7 @@ const normalize = require('eth-sig-util').normalize
 const TESTNET_RPC = MetamaskConfig.network.testnet
 const MAINNET_RPC = MetamaskConfig.network.mainnet
 const MORDEN_RPC = MetamaskConfig.network.morden
+const KOVAN_RPC = MetamaskConfig.network.kovan
 
 /* The config-manager is a convenience object
  * wrapping a pojo-migrator.
@@ -150,6 +151,9 @@ ConfigManager.prototype.getCurrentRpcAddress = function () {
     case 'morden':
       return MORDEN_RPC
 
+    case 'kovan':
+      return KOVAN_RPC
+
     default:
       return provider && provider.rpcTarget ? provider.rpcTarget : TESTNET_RPC
   }