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| 1 | <?php |
| 2 | /** |
| 3 | * |
| 4 | * This file is part of the phpBB Forum Software package. |
| 5 | * |
| 6 | * @copyright (c) phpBB Limited <https://www.phpbb.com> |
| 7 | * @license GNU General Public License, version 2 (GPL-2.0) |
| 8 | * |
| 9 | * For full copyright and license information, please see |
| 10 | * the docs/CREDITS.txt file. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | namespace phpbb\install\module\requirements\task; |
| 15 | |
| 16 | /** |
| 17 | * Installer task that checks if the server meets phpBB requirements |
| 18 | */ |
| 19 | class check_server_environment extends \phpbb\install\task_base |
| 20 | { |
| 21 | /** |
| 22 | * @var \phpbb\install\helper\database |
| 23 | */ |
| 24 | protected $database_helper; |
| 25 | |
| 26 | /** |
| 27 | * @var \phpbb\install\helper\iohandler\iohandler_interface |
| 28 | */ |
| 29 | protected $response_helper; |
| 30 | |
| 31 | /** |
| 32 | * @var bool |
| 33 | */ |
| 34 | protected $tests_passed; |
| 35 | |
| 36 | /** |
| 37 | * Constructor |
| 38 | * |
| 39 | * @param \phpbb\install\helper\database $database_helper |
| 40 | * @param \phpbb\install\helper\iohandler\iohandler_interface $response |
| 41 | */ |
| 42 | public function __construct(\phpbb\install\helper\database $database_helper, |
| 43 | \phpbb\install\helper\iohandler\iohandler_interface $response) |
| 44 | { |
| 45 | $this->database_helper = $database_helper; |
| 46 | $this->response_helper = $response; |
| 47 | $this->tests_passed = true; |
| 48 | |
| 49 | parent::__construct(true); |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * {@inheritdoc} |
| 54 | */ |
| 55 | public function run() |
| 56 | { |
| 57 | // |
| 58 | // Check requirements |
| 59 | // The error messages should be set in the check_ functions |
| 60 | // |
| 61 | |
| 62 | // Check PHP version |
| 63 | $this->check_php_version(); |
| 64 | |
| 65 | // Check for getimagesize() |
| 66 | $this->check_image_size(); |
| 67 | |
| 68 | // Check for PCRE support |
| 69 | $this->check_pcre(); |
| 70 | |
| 71 | // Check for JSON support |
| 72 | $this->check_json(); |
| 73 | |
| 74 | // Check for mbstring support |
| 75 | $this->check_mbstring(); |
| 76 | |
| 77 | // XML extension support check |
| 78 | $this->check_xml(); |
| 79 | |
| 80 | // Check for dbms support |
| 81 | $this->check_available_dbms(); |
| 82 | |
| 83 | return $this->tests_passed; |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * Sets $this->tests_passed |
| 88 | * |
| 89 | * @param bool $is_passed |
| 90 | */ |
| 91 | protected function set_test_passed($is_passed) |
| 92 | { |
| 93 | // If one test failed, tests_passed should be false |
| 94 | $this->tests_passed = (!$this->tests_passed) ? false : $is_passed; |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Check if the requirements for PHP version is met |
| 99 | */ |
| 100 | protected function check_php_version() |
| 101 | { |
| 102 | if (version_compare(PHP_VERSION, '7.2.0', '<')) |
| 103 | { |
| 104 | $this->response_helper->add_error_message('PHP_VERSION_REQD', 'PHP_VERSION_REQD_EXPLAIN'); |
| 105 | |
| 106 | $this->set_test_passed(false); |
| 107 | return; |
| 108 | } |
| 109 | |
| 110 | $this->set_test_passed(true); |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Checks if the installed PHP has getimagesize() available |
| 115 | */ |
| 116 | protected function check_image_size() |
| 117 | { |
| 118 | if (!@function_exists('getimagesize')) |
| 119 | { |
| 120 | $this->response_helper->add_error_message('PHP_GETIMAGESIZE_SUPPORT', 'PHP_GETIMAGESIZE_SUPPORT_EXPLAIN'); |
| 121 | |
| 122 | $this->set_test_passed(false); |
| 123 | return; |
| 124 | } |
| 125 | |
| 126 | $this->set_test_passed(true); |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Checks if the installed PHP supports PCRE |
| 131 | */ |
| 132 | protected function check_pcre() |
| 133 | { |
| 134 | if (@preg_match('//u', '')) |
| 135 | { |
| 136 | $this->set_test_passed(true); |
| 137 | return; |
| 138 | } |
| 139 | |
| 140 | $this->response_helper->add_error_message('PCRE_UTF_SUPPORT', 'PCRE_UTF_SUPPORT_EXPLAIN'); |
| 141 | |
| 142 | $this->set_test_passed(false); |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * Checks whether PHP's JSON extension is available or not |
| 147 | */ |
| 148 | protected function check_json() |
| 149 | { |
| 150 | if (@extension_loaded('json')) |
| 151 | { |
| 152 | $this->set_test_passed(true); |
| 153 | return; |
| 154 | } |
| 155 | |
| 156 | $this->response_helper->add_error_message('PHP_JSON_SUPPORT', 'PHP_JSON_SUPPORT_EXPLAIN'); |
| 157 | |
| 158 | $this->set_test_passed(false); |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Checks whether PHP's mbstring extension is available or not |
| 163 | */ |
| 164 | protected function check_mbstring() |
| 165 | { |
| 166 | if (@extension_loaded('mbstring')) |
| 167 | { |
| 168 | $this->set_test_passed(true); |
| 169 | return; |
| 170 | } |
| 171 | |
| 172 | $this->response_helper->add_error_message('PHP_MBSTRING_SUPPORT', 'PHP_MBSTRING_SUPPORT_EXPLAIN'); |
| 173 | |
| 174 | $this->set_test_passed(false); |
| 175 | } |
| 176 | |
| 177 | /** |
| 178 | * Checks whether or not the XML PHP extension is available (Required by the text formatter) |
| 179 | */ |
| 180 | protected function check_xml() |
| 181 | { |
| 182 | if (class_exists('DOMDocument')) |
| 183 | { |
| 184 | $this->set_test_passed(true); |
| 185 | return; |
| 186 | } |
| 187 | |
| 188 | $this->response_helper->add_error_message('PHP_XML_SUPPORT', 'PHP_XML_SUPPORT_EXPLAIN'); |
| 189 | |
| 190 | $this->set_test_passed(false); |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * Check if any supported DBMS is available |
| 195 | */ |
| 196 | protected function check_available_dbms() |
| 197 | { |
| 198 | $available_dbms = $this->database_helper->get_available_dbms(false, true); |
| 199 | |
| 200 | if ($available_dbms['ANY_DB_SUPPORT']) |
| 201 | { |
| 202 | $this->set_test_passed(true); |
| 203 | return; |
| 204 | } |
| 205 | |
| 206 | $this->response_helper->add_error_message('PHP_SUPPORTED_DB', 'PHP_SUPPORTED_DB_EXPLAIN'); |
| 207 | |
| 208 | $this->set_test_passed(false); |
| 209 | } |
| 210 | |
| 211 | /** |
| 212 | * {@inheritdoc} |
| 213 | */ |
| 214 | public static function get_step_count() |
| 215 | { |
| 216 | return 0; |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * {@inheritdoc} |
| 221 | */ |
| 222 | public function get_task_lang_name() |
| 223 | { |
| 224 | return ''; |
| 225 | } |
| 226 | } |