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moodle/lib/tests/ip_utils_test.php

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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Contains the test class testing the \core\ip_utils static helper class functions.
*
* @package core
* @copyright 2016 Jake Dallimore <jrhdallimore@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* This tests the static helper functions contained in the class '\core\ip_utils'.
*
* @package core
* @copyright 2016 Jake Dallimore <jrhdallimore@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class core_ip_utils_testcase extends basic_testcase {
/**
* Test for \core\ip_utils::is_domain_name().
*
* @param string $domainname the domain name to validate.
* @param bool $expected the expected result.
* @dataProvider domain_name_data_provider
*/
public function test_is_domain_name($domainname, $expected) {
$this->assertEquals($expected, \core\ip_utils::is_domain_name($domainname));
}
/**
* Data provider for test_is_domain_name().
*
* @return array
*/
public function domain_name_data_provider() {
return [
["com", true],
["i.net", true], // Single char, alpha tertiary domain.
["0.org", true], // Single char, non-alpha tertiary domain.
["0.a", true], // Single char, alpha top level domain.
["0.1", false], // Single char, non-alpha top level domain.
["example.com", true],
["sub.example.com", true],
["sub-domain.example-domain.net", true],
["123.com", true],
["123.a11", true],
[str_repeat('sub.', 60) . "1-example.com", true], // Max length without null label is 253 octets = 253 ascii chars.
[str_repeat('example', 9) . ".com", true], // Max number of octets per label is 63 = 63 ascii chars.
["localhost", true],
[" example.com", false],
["example.com ", false],
["example.com/", false],
["*.example.com", false],
["*example.com", false],
["example.123", false],
["-example.com", false],
["example-.com", false],
[".example.com", false],
["127.0.0.1", false],
[str_repeat('sub.', 60) . "11-example.com", false], // Name length is 254 chars, which exceeds the max allowed.
[str_repeat('example', 9) . "1.com", false], // Label length is 64 chars, which exceed the max allowed.
["example.com.", true], // Null label explicitly provided - this is valid.
[".example.com.", false],
["見.香港", false], // IDNs are invalid.
[null, false], // Non-strings are invalid.
];
}
/**
* Test for \core\ip_utils::is_domain_matching_pattern().
*
* @param string $str the string to evaluate.
* @param bool $expected the expected result.
* @dataProvider domain_matching_patterns_data_provider
*/
public function test_is_domain_matching_pattern($str, $expected) {
$this->assertEquals($expected, \core\ip_utils::is_domain_matching_pattern($str));
}
/**
* Data provider for test_is_domain_matching_pattern().
*
* @return array
*/
public function domain_matching_patterns_data_provider() {
return [
["*.com", true],
["*.example.com", true],
["*.example.com", true],
["*.sub.example.com", true],
["*.sub-domain.example-domain.com", true],
["*." . str_repeat('sub.', 60) . "example.com", true], // Max number of domain name chars = 253.
["*." . str_repeat('example', 9) . ".com", true], // Max number of domain name label chars = 63.
["*com", false],
["*example.com", false],
[" *.example.com", false],
["*.example.com ", false],
["*-example.com", false],
["*.-example.com", false],
["*.example.com/", false],
["sub.*.example.com", false],
["sub.*example.com", false],
["*.*.example.com", false],
["example.com", false],
["*." . str_repeat('sub.', 60) . "1example.com", false], // Name length is 254 chars, which exceeds the max allowed.
["*." . str_repeat('example', 9) . "1.com", false], // Label length is 64 chars, which exceed the max allowed.
["*.example.com.", true], // Null label explicitly provided - this is valid.
[".*.example.com.", false],
["*.香港", false], // IDNs are invalid.
[null, false], // None-strings are invalid.
];
}
/**
* Test for \core\ip_utils::is_ip_address().
*
* @param string $address the address to validate.
* @param bool $expected the expected result.
* @dataProvider ip_address_data_provider
*/
public function test_is_ip_address($address, $expected) {
$this->assertEquals($expected, \core\ip_utils::is_ip_address($address));
}
/**
* Data provider for test_is_ip_address().
*
* @return array
*/
public function ip_address_data_provider() {
return [
["127.0.0.1", true],
["10.1", false],
["0.0.0.0", true],
["255.255.255.255", true],
["256.0.0.1", false],
["256.0.0.1", false],
["127.0.0.0/24", false],
["127.0.0.0-255", false],
["::", true],
["::0", true],
["0::", true],
["0::0", true],
["fe80:fe80:fe80:fe80:fe80:fe80:fe80:fe80", true],
["fe80::ffff", true],
["fe80::f", true],
["fe80::", true],
["0", false],
["127.0.0.0/24", false],
["fe80::fe80/128", false],
["fe80:fe80:fe80:fe80:fe80:fe80:fe80:fe80/128", false],
["fe80:", false],
["fe80:: ", false],
[" fe80::", false],
["fe80::ddddd", false],
["fe80::gggg", false],
["fe80:fe80:fe80:fe80:fe80:fe80:fe80:fe80:fe80", false],
];
}
/**
* Test for \core\ip_utils::is_ipv4_address().
*
* @param string $address the address to validate.
* @param bool $expected the expected result.
* @dataProvider ipv4_address_data_provider
*/
public function test_is_ipv4_address($address, $expected) {
$this->assertEquals($expected, \core\ip_utils::is_ipv4_address($address));
}
/**
* Data provider for test_is_ipv4_address().
*
* @return array
*/
public function ipv4_address_data_provider() {
return [
["127.0.0.1", true],
["0.0.0.0", true],
["255.255.255.255", true],
[" 127.0.0.1", false],
["127.0.0.1 ", false],
["-127.0.0.1", false],
["127.0.1", false],
["127.0.0.0.1", false],
["a.b.c.d", false],
["localhost", false],
["fe80::1", false],
["256.0.0.1", false],
["256.0.0.1", false],
["127.0.0.0/24", false],
["127.0.0.0-255", false],
];
}
/**
* Test for \core\ip_utils::is_ipv4_range().
*
* @param string $addressrange the address range to validate.
* @param bool $expected the expected result.
* @dataProvider ipv4_range_data_provider
*/
public function test_is_ipv4_range($addressrange, $expected) {
$this->assertEquals($expected, \core\ip_utils::is_ipv4_range($addressrange));
}
/**
* Data provider for test_is_ipv4_range().
*
* @return array
*/
public function ipv4_range_data_provider() {
return [
["127.0.0.1/24", true],
["127.0.0.20-20", true],
["127.0.0.20-50", true],
["127.0.0.0-255", true],
["127.0.0.1-1", true],
["255.255.255.0-255", true],
["127.0.0.1", false],
["127.0", false],
[" 127.0.0.0/24", false],
["127.0.0.0/24 ", false],
["a.b.c.d/24", false],
["256.0.0.0-80", false],
["127.0.0.0/a", false],
["256.0.0.0/24", false],
["127.0.0.0/-1", false],
["127.0.0.0/33", false],
["127.0.0.0-127.0.0.10", false],
["127.0.0.30-20", false],
["127.0.0.0-256", false],
["fe80::fe80/64", false],
];
}
/**
* Test for \core\ip_utils::is_ipv6_address().
*
* @param string $address the address to validate.
* @param bool $expected the expected result.
* @dataProvider ipv6_address_data_provider
*/
public function test_is_ipv6_address($address, $expected) {
$this->assertEquals($expected, \core\ip_utils::is_ipv6_address($address));
}
/**
* Data provider for test_is_ipv6_address().
*
* @return array
*/
public function ipv6_address_data_provider() {
return [
["::", true],
["::0", true],
["0::", true],
["0::0", true],
["fe80:fe80:fe80:fe80:fe80:fe80:fe80:fe80", true],
["fe80::ffff", true],
["fe80::f", true],
["fe80::", true],
["0", false],
["127.0.0.0", false],
["127.0.0.0/24", false],
["fe80::fe80/128", false],
["fe80:fe80:fe80:fe80:fe80:fe80:fe80:fe80/128", false],
["fe80:", false],
["fe80:: ", false],
[" fe80::", false],
["fe80::ddddd", false],
["fe80::gggg", false],
["fe80:fe80:fe80:fe80:fe80:fe80:fe80:fe80:fe80", false],
];
}
/**
* Test for \core\ip_utils::is_ipv6_range().
*
* @param string $addressrange the address range to validate.
* @param bool $expected the expected result.
* @dataProvider ipv6_range_data_provider
*/
public function test_is_ipv6_range($addressrange, $expected) {
$this->assertEquals($expected, \core\ip_utils::is_ipv6_range($addressrange));
}
/**
* Data provider for test_is_ipv6_range().
*
* @return array
*/
public function ipv6_range_data_provider() {
return [
["::/128", true],
["::1/128", true],
["fe80:fe80:fe80:fe80:fe80:fe80:fe80:fe80/128", true],
["fe80::dddd/128", true],
["fe80::/64", true],
["fe80::dddd-ffff", true],
["::0-ffff", true],
["::a-ffff", true],
["0", false],
["::1", false],
["fe80::fe80", false],
["::/128 ", false],
[" ::/128", false],
["::/a", false],
["::/-1", false],
["fe80::fe80/129", false],
["fe80:fe80:fe80:fe80:fe80:fe80:fe80:fe80", false],
["fe80::bbbb-aaaa", false],
["fe80::0-fffg", false],
["fe80::0-fffff", false],
["fe80::0 - ffff", false],
[" fe80::0-ffff", false],
["fe80::0-ffff ", false],
["192.0.0.0/24", false],
["fe80:::fe80/128", false],
["fe80:::aaaa-dddd", false],
];
}
/**
* Test checking domains against a list of allowed domains.
*
* @param bool $expected Expected result
* @param string $domain domain address
* @dataProvider data_domain_addresses
*/
public function test_check_domain_against_allowed_domains($expected, $domain) {
$alloweddomains = ['example.com',
'*.moodle.com',
'*.per.this.penny-arcade.com',
'bad.*.url.com',
' trouble.com.au'];
$this->assertEquals($expected, \core\ip_utils::is_domain_in_allowed_list($domain, $alloweddomains));
}
/**
* Data provider for test_check_domain_against_allowed_domains.
*
* @return array
*/
public function data_domain_addresses() {
return [
[true, 'example.com'],
[false, 'sub.example.com'],
[false, 'example.com.au'],
[false, ' example.com'], // A space at the front of the domain is invalid.
[false, 'example.123'], // Numbers at the end is invalid.
[false, 'test.example.com'],
[false, 'moodle.com'],
[true, 'test.moodle.com'],
[false, 'test.moodle.com.au'],
[true, 'nice.address.per.this.penny-arcade.com'],
[false, 'normal.per.this.penny-arcade.com.au'],
[false, 'bad.thing.url.com'], // The allowed domain (above) has a bad wildcard and so this address will return false.
[false, 'trouble.com.au'] // The allowed domain (above) has a space at the front and so will return false.
];
}
}