[Cronet] Public key pinning for Java API

components/cronet/android/test/javatests/src/org/chromium/net/CronetUtilTest.java

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+package org.chromium.net;
+
+import android.test.suitebuilder.annotation.SmallTest;
+
+import org.chromium.base.test.util.Feature;
+
+/**
+ * Tests CronetUtil class.
+ */
+public class CronetUtilTest extends CronetTestBase {
+    @SmallTest
+    @Feature({"Cronet"})
+    public void testHostNameValidation() throws Exception {
+        final String label63 = "123456789-123456789-123456789-123456789-123456789-123456789-123";
+        final String label255 = label63 + "." + label63 + "." + label63 + "." + label63;
+        // Valid host names.
+        assertValidHostName("domain.com");
+        assertValidHostName("my-domain.com");
+        assertValidHostName("section4.domain.info");
+        assertValidHostName("44.domain44.info");
+        assertValidHostName("very.long.long.long.long.long.long.long.domain.com");
+        assertValidHostName("host");
+        assertValidHostName("новости.ру");
+        assertValidHostName("самые-последние.новости.рус");
+        assertValidHostName("最新消息.中国");
+        assertValidHostName("127.0.0.1");
+        // Checks max size of the host label (63 characters)
+        assertValidHostName(label63 + ".com");
+        // Checks max size of the host name (255 characters)
+        assertValidHostName(label255);
+
+        // Invalid host names.
+        assertInvalidHostName("domain.com:300");
+        assertInvalidHostName("-domain.com");
+        assertInvalidHostName("domain-.com");
+        assertInvalidHostName("http://domain.com");
+        assertInvalidHostName("domain.com:");
+        assertInvalidHostName("domain.com/");
+        assertInvalidHostName("новости.ру:");
+        assertInvalidHostName("новости.ру/");
+        assertInvalidHostName("FE80:0000:0000:0000:0202:B3FF:FE1E:8329");
+        assertInvalidHostName("[2001:db8:0:1]:80");
+        assertInvalidHostName("_http.sctp.www.example.com");
+        assertInvalidHostName("http.sctp._www.example.com");
+        // Checks a host that exceeds max allowed length of the host label (63 characters)
+        assertInvalidHostName(label63 + "4.com");
+        // Checks a host that exceeds max allowed length of hostname (255 characters)
+        assertInvalidHostName(label255.substring(3) + ".com");
+    }
+
+    @SmallTest
+    @Feature({"Cronet"})
+    public void testIPv4Validation() throws Exception {
+        // Valid IPv4 addresses.
+        assertValidIPv4("127.0.0.1");
+        assertValidIPv4("1.0.0.10");
+        assertValidIPv4("250.6.15.255");
+        assertValidIPv4("23.1.9.0");
+        assertValidIPv4("68.44.222.12");
+        // Invalid IPv4 addresses.
+        assertInvalidIPv4("domain.com");
+        assertInvalidIPv4("новости.ру");
+        assertInvalidIPv4("256.0.0.1");
+        assertInvalidIPv4("127.0.0.299");
+        assertInvalidIPv4("127.300.0.1");
+        assertInvalidIPv4("127.1.400.1");
+        assertInvalidIPv4("127.0.0.");
+        assertInvalidIPv4("127.0.0");
+        assertInvalidIPv4("127.0.0.1.1");
+        assertInvalidIPv4("127.0.0.a");
+        assertInvalidIPv4("127.0.0.1:80");
+        assertInvalidIPv4("127.0.0.1:80/");
+        assertInvalidIPv4("http://127.0.0.1:80");
+    }
+
+    private void assertValidHostName(String hostName) {
+        boolean valid = CronetUtil.isValidHostName(hostName);
+        assertTrue(hostName + " should be a valid host name", valid);
+    }
+
+    private void assertInvalidHostName(String hostName) {
+        boolean valid = CronetUtil.isValidHostName(hostName);
+        assertFalse(hostName + " should be an invalid host name", valid);
+    }
+
+    private void assertValidIPv4(String addr) {
+        boolean valid = CronetUtil.isValidIPv4(addr);
+        assertTrue(addr + " should be a valid IPv4 address", valid);
+    }
+
+    private void assertInvalidIPv4(String addr) {
+        boolean valid = CronetUtil.isValidIPv4(addr);
+        assertFalse(addr + " should be an invalid IPv4 address", valid);
+    }
+}