1 files changed, 94 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_bug464591.js b/netwerk/test/unit/test_bug464591.js
new file mode 100644
index 0000000000..bc2f481a0e
--- /dev/null
+++ b/netwerk/test/unit/test_bug464591.js
@@ -0,0 +1,94 @@
+// 1.percent-encoded IDN that contains blacklisted character should be converted
+//   to punycode, not UTF-8 string
+// 2.only hostname-valid percent encoded ASCII characters should be decoded
+// 3.IDN convertion must not bypassed by %00
+
+"use strict";
+
+let reference = [
+  [
+    "www.example.com%e2%88%95www.mozill%d0%b0.com%e2%81%84www.mozilla.org",
+    "www.example.xn--comwww-re3c.xn--mozill-8nf.xn--comwww-rq0c.mozilla.org",
+  ],
+];
+
+let badURIs = [
+  ["www.mozill%61%2f.org"], // a slash is not valid in the hostname
+  ["www.e%00xample.com%e2%88%95www.mozill%d0%b0.com%e2%81%84www.mozill%61.org"],
+];
+
+let prefData = [
+  {
+    name: "network.enableIDN",
+    newVal: true,
+  },
+  {
+    name: "network.IDN_show_punycode",
+    newVal: false,
+  },
+];
+
+let prefIdnBlackList = {
+  name: "network.IDN.extra_blocked_chars",
+  minimumList: "\u2215\u0430\u2044",
+};
+
+function stringToURL(str) {
+  return Cc["@mozilla.org/network/standard-url-mutator;1"]
+    .createInstance(Ci.nsIStandardURLMutator)
+    .init(Ci.nsIStandardURL.URLTYPE_AUTHORITY, 80, str, "UTF-8", null)
+    .finalize()
+    .QueryInterface(Ci.nsIURL);
+}
+
+function run_test() {
+  // Make sure our prefs are set such that this test actually means something
+  let prefs = Services.prefs;
+  for (let pref of prefData) {
+    prefs.setBoolPref(pref.name, pref.newVal);
+  }
+
+  prefIdnBlackList.set = false;
+  try {
+    prefIdnBlackList.oldVal = prefs.getComplexValue(
+      prefIdnBlackList.name,
+      Ci.nsIPrefLocalizedString
+    ).data;
+    prefs.getComplexValue(
+      prefIdnBlackList.name,
+      Ci.nsIPrefLocalizedString
+    ).data = prefIdnBlackList.minimumList;
+    prefIdnBlackList.set = true;
+  } catch (e) {}
+
+  registerCleanupFunction(function () {
+    for (let pref of prefData) {
+      prefs.clearUserPref(pref.name);
+    }
+    if (prefIdnBlackList.set) {
+      prefs.getComplexValue(
+        prefIdnBlackList.name,
+        Ci.nsIPrefLocalizedString
+      ).data = prefIdnBlackList.oldVal;
+    }
+  });
+
+  for (let i = 0; i < reference.length; ++i) {
+    try {
+      let result = stringToURL("http://" + reference[i][0]).host;
+      equal(result, reference[i][1]);
+    } catch (e) {
+      ok(false, "Error testing " + reference[i][0]);
+    }
+  }
+
+  for (let i = 0; i < badURIs.length; ++i) {
+    Assert.throws(
+      () => {
+        stringToURL("http://" + badURIs[i][0]).host;
+      },
+      /NS_ERROR_MALFORMED_URI/,
+      "bad escaped character"
+    );
+  }
+}