lib/tests/configonlylib_test.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Unit tests for config only library functions-
  19  *
  20  * @package    core
  21  * @category   phpunit
  22  * @copyright  2012 Petr Skoda {@link http://skodak.org}
  23  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25
  26 defined('MOODLE_INTERNAL') || die();
  27
  28 // Global $CFG not used here intentionally to make sure it is not required inside the lib.
  29 require_once(__DIR__ . '/../configonlylib.php');
  30
  31
  32 /**
  33  * Unit tests for config only library functions.
  34  *
  35  * @package    core
  36  * @category   phpunit
  37  * @copyright  2012 Petr Skoda {@link http://skodak.org}
  38  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  39  */
  40 class core_configonlylib_testcase extends advanced_testcase {
  41
  42     /**
  43      * Test cleaning of invalid utf-8 entities.
  44      */
  45     public function test_min_fix_utf8() {
  46         $this->assertSame('abc', min_fix_utf8('abc'));
  47         $this->assertSame("žlutý koníček přeskočil potůček \n\t\r", min_fix_utf8("žlutý koníček přeskočil potůček \n\t\r\0"));
  48         $this->assertSame('aš', min_fix_utf8('a'.chr(130).'š'), 'This fails with buggy iconv() when mbstring extenstion is not available as fallback.');
  49     }
  50
  51     /**
  52      * Test minimalistic parameter cleaning.
  53      */
  54     public function test_min_clean_param() {
  55         $this->assertSame('foo', min_clean_param('foo', 'RAW'));
  56         $this->assertSame('aš', min_clean_param('a'.chr(130).'š', 'RAW'));
  57
  58         $this->assertSame(1, min_clean_param('1', 'INT'));
  59         $this->assertSame(1, min_clean_param('1aa', 'INT'));
  60
  61         $this->assertSame('1abc-d_f', min_clean_param('/.1ačž"b?;c-d{}\\_f.', 'SAFEDIR'));
  62         $this->assertSame(1, min_clean_param('1aa', 'INT'));
  63
  64         $this->assertSame('/a/b/./c5', min_clean_param('/a*?$//b/.../c5', 'SAFEPATH'));
  65         $this->assertSame(1, min_clean_param('1aa', 'INT'));
  66     }
  67
  68     /**
  69      * Test minimalistic getting of page parameters.
  70      */
  71     public function test_min_optional_param() {
  72         $this->resetAfterTest();
  73
  74         $_GET['foo'] = 'bar';
  75         $_GET['num'] = '1';
  76         $_GET['xnum'] = '1aa';
  77
  78         $_POST['foo'] = 'rebar';
  79         $_POST['oof'] = 'rab';
  80
  81         $this->assertSame('bar', min_optional_param('foo', null, 'RAW'));
  82         $this->assertSame(null, min_optional_param('foo2', null, 'RAW'));
  83         $this->assertSame('rab', min_optional_param('oof', null, 'RAW'));
  84
  85         $this->assertSame(1, min_optional_param('num', null, 'INT'));
  86         $this->assertSame(1, min_optional_param('xnum', null, 'INT'));
  87     }
  88
  89     /**
  90      * Test fail-safe minimalistic slashargument processing.
  91      */
  92     public function test_min_get_slash_argument() {
  93         global $CFG;
  94
  95         $this->resetAfterTest();
  96         $this->assertEquals('https://www.example.com/moodle', $CFG->wwwroot);
  97
  98         $_SERVER = array();
  99         $_SERVER['SERVER_SOFTWARE'] = 'Apache/2.2.22 (Unix)';
 100         $_SERVER['QUERY_STRING'] = 'theme=standard&component=core&rev=5&image=u/f1';
 101         $_SERVER['REQUEST_URI'] = '/moodle/theme/image.php?theme=standard&component=core&rev=5&image=u/f1';
 102         $_SERVER['SCRIPT_NAME'] = '/moodle/theme/image.php';
 103         $this->assertSame('', min_get_slash_argument());
 104
 105         $_SERVER = array();
 106         $_SERVER['SERVER_SOFTWARE'] = 'Apache/2.2.22 (Unix)';
 107         $_SERVER['QUERY_STRING'] = '';
 108         $_SERVER['REQUEST_URI'] = '/moodle/theme/image.php/standard/core/5/u/f1';
 109         $_SERVER['PATH_INFO'] = '/standard/core/5/u/f1';
 110         $_SERVER['SCRIPT_NAME'] = '/moodle/theme/image.php';
 111         $_GET = array();
 112         $this->assertSame('/standard/core/5/u/f1', min_get_slash_argument());
 113
 114         // IIS no url rewriting.
 115         $_SERVER = array();
 116         $_SERVER['SERVER_SOFTWARE'] = 'Microsoft-IIS/7.0';
 117         $_SERVER['QUERY_STRING'] = '';
 118         $_SERVER['REQUEST_URI'] = '/moodle/theme/image.php/standard/core/5/u/f1';
 119         $_SERVER['PATH_INFO'] = '/standard/core/5/u/f1';
 120         $_SERVER['SCRIPT_NAME'] = '/moodle/theme/image.php';
 121         $_GET = array();
 122         $this->assertSame('/standard/core/5/u/f1', min_get_slash_argument());
 123
 124         // IIS with url rewriting.
 125         $_SERVER = array();
 126         $_SERVER['SERVER_SOFTWARE'] = 'Microsoft-IIS/7.0';
 127         $_SERVER['QUERY_STRING'] = 'file=/standard/core/5/u/f1';
 128         $_SERVER['REQUEST_URI'] = '/moodle/theme/image.php/standard/core/5/u/f1';
 129         $_SERVER['PATH_INFO'] = '/';
 130         $_SERVER['SCRIPT_NAME'] = '/moodle/theme/image.php';
 131         $_GET = array();
 132         $_GET['file'] = '/standard/core/5/u/f1';
 133         $this->assertSame('/standard/core/5/u/f1', min_get_slash_argument());
 134
 135         $_SERVER = array();
 136         $_SERVER['SERVER_SOFTWARE'] = 'Weird server';
 137         $_SERVER['QUERY_STRING'] = '';
 138         $_SERVER['REQUEST_URI'] = '/moodle/theme/image.php/standard/core/5/u/f1';
 139         $_SERVER['PATH_INFO'] = '/moodle/theme/image.php/standard/core/5/u/f1';
 140         $_SERVER['SCRIPT_NAME'] = '/moodle/theme/image.php';
 141         $_GET = array();
 142         $this->assertSame('/standard/core/5/u/f1', min_get_slash_argument());
 143
 144         $_SERVER = array();
 145         $_SERVER['SERVER_SOFTWARE'] = 'Hacker server';
 146         $_SERVER['QUERY_STRING'] = '';
 147         $_SERVER['REQUEST_URI'] = '/moodle/theme/image.php/standard/core/5/u/f1';
 148         $_SERVER['PATH_INFO'] = '/moodle/theme/image.php/standard\\core/..\\../5/u/f1';
 149         $_SERVER['SCRIPT_NAME'] = '/moodle/theme/image.php';
 150         $_GET = array();
 151         // Windows dir separators are removed, multiple ... gets collapsed to one .
 152         $this->assertSame('/standardcore/./5/u/f1', min_get_slash_argument());
 153     }
 154 }