88 lines
3.2 KiB
Java
88 lines
3.2 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.emailcommon.utility;
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import android.test.AndroidTestCase;
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import android.test.MoreAsserts;
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import android.test.suitebuilder.annotation.SmallTest;
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import java.util.Random;
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import java.util.regex.Pattern;
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/**
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* Unit tests for SSLUtils.
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*/
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@SmallTest
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public class SSLUtilsTest extends AndroidTestCase {
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String SAFE_SCHEME_PATTERN = "[a-z][a-z0-9+\\-]*";
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private void assertSchemeNameValid(String s) {
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assertTrue(Pattern.matches(SAFE_SCHEME_PATTERN, s));
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}
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public void testSchemeNameEscapeAlreadySafe() {
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// Safe names are unmodified.
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assertEquals("http", SSLUtils.escapeForSchemeName("http"));
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assertEquals("https", SSLUtils.escapeForSchemeName("https"));
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assertEquals("ftp", SSLUtils.escapeForSchemeName("ftp"));
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assertEquals("z39.50r", SSLUtils.escapeForSchemeName("z39.50r"));
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assertEquals("fake-protocol.yes", SSLUtils.escapeForSchemeName("fake-protocol.yes"));
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}
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public void testSchemeNameEscapeIsSafe() {
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// Invalid characters are escaped properly
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assertSchemeNameValid(SSLUtils.escapeForSchemeName("name with spaces"));
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assertSchemeNameValid(SSLUtils.escapeForSchemeName("odd * & characters"));
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assertSchemeNameValid(SSLUtils.escapeForSchemeName("f3v!l;891023-47 +"));
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}
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private static final char[] RANDOM_DICT = new char[] {
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'x', '.', '^', '4', ';', ' ', 'j', '#', '~', '+'
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};
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private String randomString(Random r) {
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// 5 to 15 characters
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int length = (r.nextInt() % 5) + 10;
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < length; i++) {
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sb.append(RANDOM_DICT[Math.abs(r.nextInt()) % RANDOM_DICT.length]);
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}
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return sb.toString();
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}
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public void testSchemeNamesAreMoreOrLessUnique() {
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assertEquals(
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SSLUtils.escapeForSchemeName("name with spaces"),
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SSLUtils.escapeForSchemeName("name with spaces"));
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// As expected, all escaping is case insensitive.
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assertEquals(
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SSLUtils.escapeForSchemeName("NAME with spaces"),
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SSLUtils.escapeForSchemeName("name with spaces"));
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Random random = new Random(314159 /* seed */);
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for (int i = 0; i < 100; i++) {
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// Other strings should more or less be unique.
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String s1 = randomString(random);
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String s2 = randomString(random);
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MoreAsserts.assertNotEqual(
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SSLUtils.escapeForSchemeName(s1),
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SSLUtils.escapeForSchemeName(s2));
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}
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}
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}
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