1 |
efrain |
1 |
<?php
|
|
|
2 |
|
|
|
3 |
// This file is part of Moodle - http://moodle.org/
|
|
|
4 |
//
|
|
|
5 |
// Moodle is free software: you can redistribute it and/or modify
|
|
|
6 |
// it under the terms of the GNU General Public License as published by
|
|
|
7 |
// the Free Software Foundation, either version 3 of the License, or
|
|
|
8 |
// (at your option) any later version.
|
|
|
9 |
//
|
|
|
10 |
// Moodle is distributed in the hope that it will be useful,
|
|
|
11 |
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
12 |
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
13 |
// GNU General Public License for more details.
|
|
|
14 |
//
|
|
|
15 |
// You should have received a copy of the GNU General Public License
|
|
|
16 |
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
|
|
|
17 |
|
|
|
18 |
/**
|
|
|
19 |
* This library includes all the necessary stuff to execute some standard
|
|
|
20 |
* tests of required versions and libraries to run Moodle. It can be
|
|
|
21 |
* used from the admin interface, and both at install and upgrade.
|
|
|
22 |
*
|
|
|
23 |
* All the info is stored in the admin/environment.xml file,
|
|
|
24 |
* supporting to have an updated version in dataroot/environment
|
|
|
25 |
*
|
|
|
26 |
* @copyright (C) 2001-3001 Eloy Lafuente (stronk7) {@link http://contiento.com}
|
|
|
27 |
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
|
28 |
* @package core
|
|
|
29 |
* @subpackage admin
|
|
|
30 |
*/
|
|
|
31 |
|
|
|
32 |
defined('MOODLE_INTERNAL') || die();
|
|
|
33 |
|
|
|
34 |
/// Add required files
|
|
|
35 |
/**
|
|
|
36 |
* Include the necessary
|
|
|
37 |
*/
|
|
|
38 |
require_once($CFG->libdir.'/xmlize.php');
|
|
|
39 |
|
|
|
40 |
/// Define a bunch of XML processing errors
|
|
|
41 |
/** XML Processing Error */
|
|
|
42 |
define('NO_ERROR', 0);
|
|
|
43 |
/** XML Processing Error */
|
|
|
44 |
define('NO_VERSION_DATA_FOUND', 1);
|
|
|
45 |
/** XML Processing Error */
|
|
|
46 |
define('NO_DATABASE_SECTION_FOUND', 2);
|
|
|
47 |
/** XML Processing Error */
|
|
|
48 |
define('NO_DATABASE_VENDORS_FOUND', 3);
|
|
|
49 |
/** XML Processing Error */
|
|
|
50 |
define('NO_DATABASE_VENDOR_MYSQL_FOUND', 4);
|
|
|
51 |
/** XML Processing Error */
|
|
|
52 |
define('NO_DATABASE_VENDOR_POSTGRES_FOUND', 5);
|
|
|
53 |
/** XML Processing Error */
|
|
|
54 |
define('NO_PHP_SECTION_FOUND', 6);
|
|
|
55 |
/** XML Processing Error */
|
|
|
56 |
define('NO_PHP_VERSION_FOUND', 7);
|
|
|
57 |
/** XML Processing Error */
|
|
|
58 |
define('NO_PHP_EXTENSIONS_SECTION_FOUND', 8);
|
|
|
59 |
/** XML Processing Error */
|
|
|
60 |
define('NO_PHP_EXTENSIONS_NAME_FOUND', 9);
|
|
|
61 |
/** XML Processing Error */
|
|
|
62 |
define('NO_DATABASE_VENDOR_VERSION_FOUND', 10);
|
|
|
63 |
/** XML Processing Error */
|
|
|
64 |
define('NO_UNICODE_SECTION_FOUND', 11);
|
|
|
65 |
/** XML Processing Error */
|
|
|
66 |
define('NO_CUSTOM_CHECK_FOUND', 12);
|
|
|
67 |
/** XML Processing Error */
|
|
|
68 |
define('CUSTOM_CHECK_FILE_MISSING', 13);
|
|
|
69 |
/** XML Processing Error */
|
|
|
70 |
define('CUSTOM_CHECK_FUNCTION_MISSING', 14);
|
|
|
71 |
/** XML Processing Error */
|
|
|
72 |
define('NO_PHP_SETTINGS_NAME_FOUND', 15);
|
|
|
73 |
/** XML Processing Error */
|
|
|
74 |
define('INCORRECT_FEEDBACK_FOR_REQUIRED', 16);
|
|
|
75 |
/** XML Processing Error */
|
|
|
76 |
define('INCORRECT_FEEDBACK_FOR_OPTIONAL', 17);
|
|
|
77 |
|
|
|
78 |
/// Define algorithm used to select the xml file
|
|
|
79 |
/** To select the newer file available to perform checks */
|
|
|
80 |
define('ENV_SELECT_NEWER', 0);
|
|
|
81 |
/** To enforce the use of the file under dataroot */
|
|
|
82 |
define('ENV_SELECT_DATAROOT', 1);
|
|
|
83 |
/** To enforce the use of the file under admin (release) */
|
|
|
84 |
define('ENV_SELECT_RELEASE', 2);
|
|
|
85 |
|
|
|
86 |
/**
|
|
|
87 |
* This function checks all the requirements defined in environment.xml.
|
|
|
88 |
*
|
|
|
89 |
* @param string $version version to check.
|
|
|
90 |
* @param int $env_select one of ENV_SELECT_NEWER | ENV_SELECT_DATAROOT | ENV_SELECT_RELEASE decide xml to use. Default ENV_SELECT_NEWER (BC)
|
|
|
91 |
* @return array with two elements. The first element true/false, depending on
|
|
|
92 |
* on whether the check passed. The second element is an array of environment_results
|
|
|
93 |
* objects that has detailed information about the checks and which ones passed.
|
|
|
94 |
*/
|
|
|
95 |
function check_moodle_environment($version, $env_select = ENV_SELECT_NEWER) {
|
|
|
96 |
if ($env_select != ENV_SELECT_NEWER and $env_select != ENV_SELECT_DATAROOT and $env_select != ENV_SELECT_RELEASE) {
|
|
|
97 |
throw new coding_exception('Incorrect value of $env_select parameter');
|
|
|
98 |
}
|
|
|
99 |
|
|
|
100 |
/// Get the more recent version before the requested
|
|
|
101 |
if (!$version = get_latest_version_available($version, $env_select)) {
|
|
|
102 |
return array(false, array());
|
|
|
103 |
}
|
|
|
104 |
|
|
|
105 |
/// Perform all the checks
|
|
|
106 |
if (!$environment_results = environment_check($version, $env_select)) {
|
|
|
107 |
return array(false, array());
|
|
|
108 |
}
|
|
|
109 |
|
|
|
110 |
/// Iterate over all the results looking for some error in required items
|
|
|
111 |
/// or some error_code
|
|
|
112 |
$result = true;
|
|
|
113 |
foreach ($environment_results as $environment_result) {
|
|
|
114 |
if (!$environment_result->getStatus() && $environment_result->getLevel() == 'required'
|
|
|
115 |
&& !$environment_result->getBypassStr()) {
|
|
|
116 |
$result = false; // required item that is not bypased
|
|
|
117 |
} else if ($environment_result->getStatus() && $environment_result->getLevel() == 'required'
|
|
|
118 |
&& $environment_result->getRestrictStr()) {
|
|
|
119 |
$result = false; // required item that is restricted
|
|
|
120 |
} else if ($environment_result->getErrorCode()) {
|
|
|
121 |
$result = false;
|
|
|
122 |
}
|
|
|
123 |
}
|
|
|
124 |
|
|
|
125 |
return array($result, $environment_results);
|
|
|
126 |
}
|
|
|
127 |
|
|
|
128 |
|
|
|
129 |
/**
|
|
|
130 |
* Returns array of critical errors in plain text format
|
|
|
131 |
* @param array $environment_results array of results gathered
|
|
|
132 |
* @return array errors
|
|
|
133 |
*/
|
|
|
134 |
function environment_get_errors($environment_results) {
|
|
|
135 |
global $CFG;
|
|
|
136 |
$errors = array();
|
|
|
137 |
|
|
|
138 |
// Iterate over each environment_result
|
|
|
139 |
foreach ($environment_results as $environment_result) {
|
|
|
140 |
$type = $environment_result->getPart();
|
|
|
141 |
$info = $environment_result->getInfo();
|
|
|
142 |
$status = $environment_result->getStatus();
|
|
|
143 |
$plugin = $environment_result->getPluginName();
|
|
|
144 |
$error_code = $environment_result->getErrorCode();
|
|
|
145 |
|
|
|
146 |
$a = new stdClass();
|
|
|
147 |
if ($error_code) {
|
|
|
148 |
$a->error_code = $error_code;
|
|
|
149 |
$errors[] = array($info, get_string('environmentxmlerror', 'admin', $a));
|
|
|
150 |
return $errors;
|
|
|
151 |
}
|
|
|
152 |
|
|
|
153 |
/// Calculate the status value
|
|
|
154 |
if ($environment_result->getBypassStr() != '') {
|
|
|
155 |
// not interesting
|
|
|
156 |
continue;
|
|
|
157 |
} else if ($environment_result->getRestrictStr() != '') {
|
|
|
158 |
// error
|
|
|
159 |
} else {
|
|
|
160 |
if ($status) {
|
|
|
161 |
// ok
|
|
|
162 |
continue;
|
|
|
163 |
} else {
|
|
|
164 |
if ($environment_result->getLevel() == 'optional') {
|
|
|
165 |
// just a warning
|
|
|
166 |
continue;
|
|
|
167 |
} else {
|
|
|
168 |
// error
|
|
|
169 |
}
|
|
|
170 |
}
|
|
|
171 |
}
|
|
|
172 |
|
|
|
173 |
// We are comparing versions
|
|
|
174 |
$rec = new stdClass();
|
|
|
175 |
if ($rec->needed = $environment_result->getNeededVersion()) {
|
|
|
176 |
$rec->current = $environment_result->getCurrentVersion();
|
|
|
177 |
if ($environment_result->getLevel() == 'required') {
|
|
|
178 |
$stringtouse = 'environmentrequireversion';
|
|
|
179 |
} else {
|
|
|
180 |
$stringtouse = 'environmentrecommendversion';
|
|
|
181 |
}
|
|
|
182 |
// We are checking installed & enabled things
|
|
|
183 |
} else if ($environment_result->getPart() == 'custom_check') {
|
|
|
184 |
if ($environment_result->getLevel() == 'required') {
|
|
|
185 |
$stringtouse = 'environmentrequirecustomcheck';
|
|
|
186 |
} else {
|
|
|
187 |
$stringtouse = 'environmentrecommendcustomcheck';
|
|
|
188 |
}
|
|
|
189 |
} else if ($environment_result->getPart() == 'php_setting') {
|
|
|
190 |
if ($status) {
|
|
|
191 |
$stringtouse = 'environmentsettingok';
|
|
|
192 |
} else if ($environment_result->getLevel() == 'required') {
|
|
|
193 |
$stringtouse = 'environmentmustfixsetting';
|
|
|
194 |
} else {
|
|
|
195 |
$stringtouse = 'environmentshouldfixsetting';
|
|
|
196 |
}
|
|
|
197 |
} else {
|
|
|
198 |
if ($environment_result->getLevel() == 'required') {
|
|
|
199 |
$stringtouse = 'environmentrequireinstall';
|
|
|
200 |
} else {
|
|
|
201 |
$stringtouse = 'environmentrecommendinstall';
|
|
|
202 |
}
|
|
|
203 |
}
|
|
|
204 |
$report = get_string($stringtouse, 'admin', $rec);
|
|
|
205 |
|
|
|
206 |
// Here we'll store all the feedback found
|
|
|
207 |
$feedbacktext = '';
|
|
|
208 |
// Append the feedback if there is some
|
|
|
209 |
$feedbacktext .= $environment_result->strToReport($environment_result->getFeedbackStr(), 'error');
|
|
|
210 |
// Append the restrict if there is some
|
|
|
211 |
$feedbacktext .= $environment_result->strToReport($environment_result->getRestrictStr(), 'error');
|
|
|
212 |
|
|
|
213 |
if ($plugin === '') {
|
|
|
214 |
$report = '[' . get_string('coresystem') . '] ' . $report;
|
|
|
215 |
} else {
|
|
|
216 |
$report = '[' . $plugin . '] ' . $report;
|
|
|
217 |
}
|
|
|
218 |
|
|
|
219 |
$report .= ' - ' . html_to_text($feedbacktext);
|
|
|
220 |
|
|
|
221 |
if ($environment_result->getPart() == 'custom_check'){
|
|
|
222 |
$errors[] = array($info, $report);
|
|
|
223 |
} else {
|
|
|
224 |
$errors[] = array(($info !== '' ? "$type $info" : $type), $report);
|
|
|
225 |
}
|
|
|
226 |
}
|
|
|
227 |
|
|
|
228 |
return $errors;
|
|
|
229 |
}
|
|
|
230 |
|
|
|
231 |
|
|
|
232 |
/**
|
|
|
233 |
* This function will normalize any version to just a serie of numbers
|
|
|
234 |
* separated by dots. Everything else will be removed.
|
|
|
235 |
*
|
|
|
236 |
* @param string $version the original version
|
|
|
237 |
* @return string the normalized version
|
|
|
238 |
*/
|
|
|
239 |
function normalize_version($version) {
|
|
|
240 |
|
|
|
241 |
/// 1.9 Beta 2 should be read 1.9 on enviromental checks, not 1.9.2
|
|
|
242 |
/// we can discard everything after the first space
|
|
|
243 |
$version = trim($version);
|
|
|
244 |
$versionarr = explode(" ",$version);
|
|
|
245 |
if (!empty($versionarr)) {
|
|
|
246 |
$version = $versionarr[0];
|
|
|
247 |
}
|
|
|
248 |
/// Replace everything but numbers and dots by dots
|
|
|
249 |
$version = preg_replace('/[^\.\d]/', '.', $version);
|
|
|
250 |
/// Combine multiple dots in one
|
|
|
251 |
$version = preg_replace('/(\.{2,})/', '.', $version);
|
|
|
252 |
/// Trim possible leading and trailing dots
|
|
|
253 |
$version = trim($version, '.');
|
|
|
254 |
|
|
|
255 |
return $version;
|
|
|
256 |
}
|
|
|
257 |
|
|
|
258 |
|
|
|
259 |
/**
|
|
|
260 |
* This function will load the environment.xml file and xmlize it
|
|
|
261 |
*
|
|
|
262 |
* @staticvar array $data
|
|
|
263 |
* @uses ENV_SELECT_NEWER
|
|
|
264 |
* @uses ENV_SELECT_DATAROOT
|
|
|
265 |
* @uses ENV_SELECT_RELEASE
|
|
|
266 |
* @param int|string $env_select one of ENV_SELECT_NEWER | ENV_SELECT_DATAROOT | ENV_SELECT_RELEASE decide xml to use. String means plugin name.
|
|
|
267 |
* @return mixed the xmlized structure or false on error
|
|
|
268 |
*/
|
|
|
269 |
function load_environment_xml($env_select=ENV_SELECT_NEWER) {
|
|
|
270 |
|
|
|
271 |
global $CFG;
|
|
|
272 |
|
|
|
273 |
static $data = array(); // Only load and xmlize once by request.
|
|
|
274 |
|
|
|
275 |
if (isset($data[$env_select])) {
|
|
|
276 |
return $data[$env_select];
|
|
|
277 |
}
|
|
|
278 |
$contents = false;
|
|
|
279 |
|
|
|
280 |
if (is_numeric($env_select)) {
|
|
|
281 |
$file = $CFG->dataroot.'/environment/environment.xml';
|
|
|
282 |
$internalfile = $CFG->dirroot.'/'.$CFG->admin.'/environment.xml';
|
|
|
283 |
switch ($env_select) {
|
|
|
284 |
case ENV_SELECT_NEWER:
|
|
|
285 |
if (!is_file($file) || !is_readable($file) || filemtime($file) < filemtime($internalfile) ||
|
|
|
286 |
!$contents = file_get_contents($file)) {
|
|
|
287 |
/// Fallback to fixed $CFG->admin/environment.xml
|
|
|
288 |
if (!is_file($internalfile) || !is_readable($internalfile) || !$contents = file_get_contents($internalfile)) {
|
|
|
289 |
$contents = false;
|
|
|
290 |
}
|
|
|
291 |
}
|
|
|
292 |
break;
|
|
|
293 |
case ENV_SELECT_DATAROOT:
|
|
|
294 |
if (!is_file($file) || !is_readable($file) || !$contents = file_get_contents($file)) {
|
|
|
295 |
$contents = false;
|
|
|
296 |
}
|
|
|
297 |
break;
|
|
|
298 |
case ENV_SELECT_RELEASE:
|
|
|
299 |
if (!is_file($internalfile) || !is_readable($internalfile) || !$contents = file_get_contents($internalfile)) {
|
|
|
300 |
$contents = false;
|
|
|
301 |
}
|
|
|
302 |
break;
|
|
|
303 |
}
|
|
|
304 |
} else {
|
|
|
305 |
if ($plugindir = core_component::get_component_directory($env_select)) {
|
|
|
306 |
$pluginfile = "$plugindir/environment.xml";
|
|
|
307 |
if (!is_file($pluginfile) || !is_readable($pluginfile) || !$contents = file_get_contents($pluginfile)) {
|
|
|
308 |
$contents = false;
|
|
|
309 |
}
|
|
|
310 |
}
|
|
|
311 |
}
|
|
|
312 |
// XML the whole file.
|
|
|
313 |
if ($contents !== false) {
|
|
|
314 |
$contents = xmlize($contents);
|
|
|
315 |
}
|
|
|
316 |
|
|
|
317 |
$data[$env_select] = $contents;
|
|
|
318 |
|
|
|
319 |
return $data[$env_select];
|
|
|
320 |
}
|
|
|
321 |
|
|
|
322 |
|
|
|
323 |
/**
|
|
|
324 |
* This function will return the list of Moodle versions available
|
|
|
325 |
*
|
|
|
326 |
* @return array of versions
|
|
|
327 |
*/
|
|
|
328 |
function get_list_of_environment_versions($contents) {
|
|
|
329 |
$versions = array();
|
|
|
330 |
|
|
|
331 |
if (isset($contents['COMPATIBILITY_MATRIX']['#']['MOODLE'])) {
|
|
|
332 |
foreach ($contents['COMPATIBILITY_MATRIX']['#']['MOODLE'] as $version) {
|
|
|
333 |
$versions[] = $version['@']['version'];
|
|
|
334 |
}
|
|
|
335 |
}
|
|
|
336 |
|
|
|
337 |
if (isset($contents['COMPATIBILITY_MATRIX']['#']['PLUGIN'])) {
|
|
|
338 |
$versions[] = 'all';
|
|
|
339 |
}
|
|
|
340 |
|
|
|
341 |
return $versions;
|
|
|
342 |
}
|
|
|
343 |
|
|
|
344 |
|
|
|
345 |
/**
|
|
|
346 |
* This function will return the most recent version in the environment.xml
|
|
|
347 |
* file previous or equal to the version requested
|
|
|
348 |
*
|
|
|
349 |
* @param string $version top version from which we start to look backwards
|
|
|
350 |
* @param int $env_select one of ENV_SELECT_NEWER | ENV_SELECT_DATAROOT | ENV_SELECT_RELEASE decide xml to use.
|
|
|
351 |
* @return string|bool string more recent version or false if not found
|
|
|
352 |
*/
|
|
|
353 |
function get_latest_version_available($version, $env_select) {
|
|
|
354 |
if ($env_select != ENV_SELECT_NEWER and $env_select != ENV_SELECT_DATAROOT and $env_select != ENV_SELECT_RELEASE) {
|
|
|
355 |
throw new coding_exception('Incorrect value of $env_select parameter');
|
|
|
356 |
}
|
|
|
357 |
|
|
|
358 |
/// Normalize the version requested
|
|
|
359 |
$version = normalize_version($version);
|
|
|
360 |
|
|
|
361 |
/// Load xml file
|
|
|
362 |
if (!$contents = load_environment_xml($env_select)) {
|
|
|
363 |
return false;
|
|
|
364 |
}
|
|
|
365 |
|
|
|
366 |
/// Detect available versions
|
|
|
367 |
if (!$versions = get_list_of_environment_versions($contents)) {
|
|
|
368 |
return false;
|
|
|
369 |
}
|
|
|
370 |
/// First we look for exact version
|
|
|
371 |
if (in_array($version, $versions, true)) {
|
|
|
372 |
return $version;
|
|
|
373 |
} else {
|
|
|
374 |
$found_version = false;
|
|
|
375 |
/// Not exact match, so we are going to iterate over the list searching
|
|
|
376 |
/// for the latest version before the requested one
|
|
|
377 |
foreach ($versions as $arrversion) {
|
|
|
378 |
if (version_compare($arrversion, $version, '<')) {
|
|
|
379 |
$found_version = $arrversion;
|
|
|
380 |
}
|
|
|
381 |
}
|
|
|
382 |
}
|
|
|
383 |
|
|
|
384 |
return $found_version;
|
|
|
385 |
}
|
|
|
386 |
|
|
|
387 |
|
|
|
388 |
/**
|
|
|
389 |
* This function will return the xmlized data belonging to one Moodle version
|
|
|
390 |
*
|
|
|
391 |
* @param string $version top version from which we start to look backwards
|
|
|
392 |
* @param int|string $env_select one of ENV_SELECT_NEWER | ENV_SELECT_DATAROOT | ENV_SELECT_RELEASE decide xml to use. String means plugin name.
|
|
|
393 |
* @return mixed the xmlized structure or false on error
|
|
|
394 |
*/
|
|
|
395 |
function get_environment_for_version($version, $env_select) {
|
|
|
396 |
|
|
|
397 |
/// Normalize the version requested
|
|
|
398 |
$version = normalize_version($version);
|
|
|
399 |
|
|
|
400 |
/// Load xml file
|
|
|
401 |
if (!$contents = load_environment_xml($env_select)) {
|
|
|
402 |
return false;
|
|
|
403 |
}
|
|
|
404 |
|
|
|
405 |
/// Detect available versions
|
|
|
406 |
if (!$versions = get_list_of_environment_versions($contents)) {
|
|
|
407 |
return false;
|
|
|
408 |
}
|
|
|
409 |
|
|
|
410 |
// If $env_select is not numeric then this is being called on a plugin, and not the core environment.xml
|
|
|
411 |
// If a version of 'all' is in the arry is also means that the new <PLUGIN> tag was found, this should
|
|
|
412 |
// be matched against any version of Moodle.
|
|
|
413 |
if (!is_numeric($env_select) && in_array('all', $versions)
|
|
|
414 |
&& environment_verify_plugin($env_select, $contents['COMPATIBILITY_MATRIX']['#']['PLUGIN'][0])) {
|
|
|
415 |
return $contents['COMPATIBILITY_MATRIX']['#']['PLUGIN'][0];
|
|
|
416 |
}
|
|
|
417 |
|
|
|
418 |
/// If the version requested is available
|
|
|
419 |
if (!in_array($version, $versions, true)) {
|
|
|
420 |
return false;
|
|
|
421 |
}
|
|
|
422 |
|
|
|
423 |
/// We now we have it. Extract from full contents.
|
|
|
424 |
$fl_arr = array_flip($versions);
|
|
|
425 |
|
|
|
426 |
return $contents['COMPATIBILITY_MATRIX']['#']['MOODLE'][$fl_arr[$version]];
|
|
|
427 |
}
|
|
|
428 |
|
|
|
429 |
/**
|
|
|
430 |
* Checks if a plugin tag has a name attribute and it matches the plugin being tested.
|
|
|
431 |
*
|
|
|
432 |
* @param string $plugin the name of the plugin.
|
|
|
433 |
* @param array $pluginxml the xmlised structure for the plugin tag being tested.
|
|
|
434 |
* @return boolean true if the name attribute exists and matches the plugin being tested.
|
|
|
435 |
*/
|
|
|
436 |
function environment_verify_plugin($plugin, $pluginxml) {
|
|
|
437 |
if (!isset($pluginxml['@']['name']) || $pluginxml['@']['name'] != $plugin) {
|
|
|
438 |
return false;
|
|
|
439 |
}
|
|
|
440 |
return true;
|
|
|
441 |
}
|
|
|
442 |
|
|
|
443 |
/**
|
|
|
444 |
* This function will check for everything (DB, PHP and PHP extensions for now)
|
|
|
445 |
* returning an array of environment_result objects.
|
|
|
446 |
*
|
|
|
447 |
* @global object
|
|
|
448 |
* @param string $version xml version we are going to use to test this server
|
|
|
449 |
* @param int $env_select one of ENV_SELECT_NEWER | ENV_SELECT_DATAROOT | ENV_SELECT_RELEASE decide xml to use.
|
|
|
450 |
* @return environment_results[] array of results encapsulated in one environment_result object
|
|
|
451 |
*/
|
|
|
452 |
function environment_check($version, $env_select) {
|
|
|
453 |
global $CFG;
|
|
|
454 |
|
|
|
455 |
if ($env_select != ENV_SELECT_NEWER and $env_select != ENV_SELECT_DATAROOT and $env_select != ENV_SELECT_RELEASE) {
|
|
|
456 |
throw new coding_exception('Incorrect value of $env_select parameter');
|
|
|
457 |
}
|
|
|
458 |
|
|
|
459 |
/// Normalize the version requested
|
|
|
460 |
$version = normalize_version($version);
|
|
|
461 |
|
|
|
462 |
$results = array(); //To store all the results
|
|
|
463 |
|
|
|
464 |
/// Only run the moodle versions checker on upgrade, not on install
|
|
|
465 |
if (!empty($CFG->version)) {
|
|
|
466 |
$results[] = environment_check_moodle($version, $env_select);
|
|
|
467 |
}
|
|
|
468 |
$results[] = environment_check_unicode($version, $env_select);
|
|
|
469 |
$results[] = environment_check_database($version, $env_select);
|
|
|
470 |
$results[] = environment_check_php($version, $env_select);
|
|
|
471 |
|
|
|
472 |
if ($result = environment_check_pcre_unicode($version, $env_select)) {
|
|
|
473 |
$results[] = $result;
|
|
|
474 |
}
|
|
|
475 |
|
|
|
476 |
$phpext_results = environment_check_php_extensions($version, $env_select);
|
|
|
477 |
$results = array_merge($results, $phpext_results);
|
|
|
478 |
|
|
|
479 |
$phpsetting_results = environment_check_php_settings($version, $env_select);
|
|
|
480 |
$results = array_merge($results, $phpsetting_results);
|
|
|
481 |
|
|
|
482 |
$custom_results = environment_custom_checks($version, $env_select);
|
|
|
483 |
$results = array_merge($results, $custom_results);
|
|
|
484 |
|
|
|
485 |
// Always use the plugin directory version of environment.xml,
|
|
|
486 |
// add-on developers need to keep those up-to-date with future info.
|
|
|
487 |
foreach (core_component::get_plugin_types() as $plugintype => $unused) {
|
|
|
488 |
foreach (core_component::get_plugin_list_with_file($plugintype, 'environment.xml') as $pluginname => $unused) {
|
|
|
489 |
$plugin = $plugintype . '_' . $pluginname;
|
|
|
490 |
|
|
|
491 |
$result = environment_check_database($version, $plugin);
|
|
|
492 |
if ($result->error_code != NO_VERSION_DATA_FOUND
|
|
|
493 |
and $result->error_code != NO_DATABASE_SECTION_FOUND
|
|
|
494 |
and $result->error_code != NO_DATABASE_VENDORS_FOUND) {
|
|
|
495 |
|
|
|
496 |
$result->plugin = $plugin;
|
|
|
497 |
$results[] = $result;
|
|
|
498 |
}
|
|
|
499 |
|
|
|
500 |
$result = environment_check_php($version, $plugin);
|
|
|
501 |
if ($result->error_code != NO_VERSION_DATA_FOUND
|
|
|
502 |
and $result->error_code != NO_PHP_SECTION_FOUND
|
|
|
503 |
and $result->error_code != NO_PHP_VERSION_FOUND) {
|
|
|
504 |
|
|
|
505 |
$result->plugin = $plugin;
|
|
|
506 |
$results[] = $result;
|
|
|
507 |
}
|
|
|
508 |
|
|
|
509 |
$pluginresults = environment_check_php_extensions($version, $plugin);
|
|
|
510 |
foreach ($pluginresults as $result) {
|
|
|
511 |
if ($result->error_code != NO_VERSION_DATA_FOUND
|
|
|
512 |
and $result->error_code != NO_PHP_EXTENSIONS_SECTION_FOUND) {
|
|
|
513 |
|
|
|
514 |
$result->plugin = $plugin;
|
|
|
515 |
$results[] = $result;
|
|
|
516 |
}
|
|
|
517 |
}
|
|
|
518 |
|
|
|
519 |
$pluginresults = environment_check_php_settings($version, $plugin);
|
|
|
520 |
foreach ($pluginresults as $result) {
|
|
|
521 |
if ($result->error_code != NO_VERSION_DATA_FOUND) {
|
|
|
522 |
$result->plugin = $plugin;
|
|
|
523 |
$results[] = $result;
|
|
|
524 |
}
|
|
|
525 |
}
|
|
|
526 |
|
|
|
527 |
$pluginresults = environment_custom_checks($version, $plugin);
|
|
|
528 |
foreach ($pluginresults as $result) {
|
|
|
529 |
if ($result->error_code != NO_VERSION_DATA_FOUND) {
|
|
|
530 |
$result->plugin = $plugin;
|
|
|
531 |
$results[] = $result;
|
|
|
532 |
}
|
|
|
533 |
}
|
|
|
534 |
}
|
|
|
535 |
}
|
|
|
536 |
|
|
|
537 |
return $results;
|
|
|
538 |
}
|
|
|
539 |
|
|
|
540 |
|
|
|
541 |
/**
|
|
|
542 |
* This function will check if php extensions requirements are satisfied
|
|
|
543 |
*
|
|
|
544 |
* @uses NO_VERSION_DATA_FOUND
|
|
|
545 |
* @uses NO_PHP_EXTENSIONS_SECTION_FOUND
|
|
|
546 |
* @uses NO_PHP_EXTENSIONS_NAME_FOUND
|
|
|
547 |
* @param string $version xml version we are going to use to test this server
|
|
|
548 |
* @param int|string $env_select one of ENV_SELECT_NEWER | ENV_SELECT_DATAROOT | ENV_SELECT_RELEASE decide xml to use. String means plugin name.
|
|
|
549 |
* @return array array of results encapsulated in one environment_result object
|
|
|
550 |
*/
|
|
|
551 |
function environment_check_php_extensions($version, $env_select) {
|
|
|
552 |
|
|
|
553 |
$results = array();
|
|
|
554 |
|
|
|
555 |
/// Get the enviroment version we need
|
|
|
556 |
if (!$data = get_environment_for_version($version, $env_select)) {
|
|
|
557 |
/// Error. No version data found
|
|
|
558 |
$result = new environment_results('php_extension');
|
|
|
559 |
$result->setStatus(false);
|
|
|
560 |
$result->setErrorCode(NO_VERSION_DATA_FOUND);
|
|
|
561 |
return array($result);
|
|
|
562 |
}
|
|
|
563 |
|
|
|
564 |
/// Extract the php_extension part
|
|
|
565 |
if (!isset($data['#']['PHP_EXTENSIONS']['0']['#']['PHP_EXTENSION'])) {
|
|
|
566 |
/// Error. No PHP section found
|
|
|
567 |
$result = new environment_results('php_extension');
|
|
|
568 |
$result->setStatus(false);
|
|
|
569 |
$result->setErrorCode(NO_PHP_EXTENSIONS_SECTION_FOUND);
|
|
|
570 |
return array($result);
|
|
|
571 |
}
|
|
|
572 |
/// Iterate over extensions checking them and creating the needed environment_results
|
|
|
573 |
foreach($data['#']['PHP_EXTENSIONS']['0']['#']['PHP_EXTENSION'] as $extension) {
|
|
|
574 |
$result = new environment_results('php_extension');
|
|
|
575 |
/// Check for level
|
|
|
576 |
$level = get_level($extension);
|
|
|
577 |
/// Check for extension name
|
|
|
578 |
if (!isset($extension['@']['name'])) {
|
|
|
579 |
$result->setStatus(false);
|
|
|
580 |
$result->setErrorCode(NO_PHP_EXTENSIONS_NAME_FOUND);
|
|
|
581 |
} else {
|
|
|
582 |
$extension_name = $extension['@']['name'];
|
|
|
583 |
/// The name exists. Just check if it's an installed extension
|
|
|
584 |
if (!extension_loaded($extension_name)) {
|
|
|
585 |
$result->setStatus(false);
|
|
|
586 |
} else {
|
|
|
587 |
$result->setStatus(true);
|
|
|
588 |
}
|
|
|
589 |
$result->setLevel($level);
|
|
|
590 |
$result->setInfo($extension_name);
|
|
|
591 |
}
|
|
|
592 |
|
|
|
593 |
/// Do any actions defined in the XML file.
|
|
|
594 |
process_environment_result($extension, $result);
|
|
|
595 |
|
|
|
596 |
/// Add the result to the array of results
|
|
|
597 |
$results[] = $result;
|
|
|
598 |
}
|
|
|
599 |
|
|
|
600 |
|
|
|
601 |
return $results;
|
|
|
602 |
}
|
|
|
603 |
|
|
|
604 |
/**
|
|
|
605 |
* This function will check if php extensions requirements are satisfied
|
|
|
606 |
*
|
|
|
607 |
* @uses NO_VERSION_DATA_FOUND
|
|
|
608 |
* @uses NO_PHP_SETTINGS_NAME_FOUND
|
|
|
609 |
* @param string $version xml version we are going to use to test this server
|
|
|
610 |
* @param int|string $env_select one of ENV_SELECT_NEWER | ENV_SELECT_DATAROOT | ENV_SELECT_RELEASE decide xml to use. String means plugin name.
|
|
|
611 |
* @return array array of results encapsulated in one environment_result object
|
|
|
612 |
*/
|
|
|
613 |
function environment_check_php_settings($version, $env_select) {
|
|
|
614 |
|
|
|
615 |
$results = array();
|
|
|
616 |
|
|
|
617 |
/// Get the enviroment version we need
|
|
|
618 |
if (!$data = get_environment_for_version($version, $env_select)) {
|
|
|
619 |
/// Error. No version data found
|
|
|
620 |
$result = new environment_results('php_setting');
|
|
|
621 |
$result->setStatus(false);
|
|
|
622 |
$result->setErrorCode(NO_VERSION_DATA_FOUND);
|
|
|
623 |
$results[] = $result;
|
|
|
624 |
return $results;
|
|
|
625 |
}
|
|
|
626 |
|
|
|
627 |
/// Extract the php_setting part
|
|
|
628 |
if (!isset($data['#']['PHP_SETTINGS']['0']['#']['PHP_SETTING'])) {
|
|
|
629 |
/// No PHP section found - ignore
|
|
|
630 |
return $results;
|
|
|
631 |
}
|
|
|
632 |
/// Iterate over settings checking them and creating the needed environment_results
|
|
|
633 |
foreach($data['#']['PHP_SETTINGS']['0']['#']['PHP_SETTING'] as $setting) {
|
|
|
634 |
$result = new environment_results('php_setting');
|
|
|
635 |
/// Check for level
|
|
|
636 |
$level = get_level($setting);
|
|
|
637 |
$result->setLevel($level);
|
|
|
638 |
/// Check for extension name
|
|
|
639 |
if (!isset($setting['@']['name'])) {
|
|
|
640 |
$result->setStatus(false);
|
|
|
641 |
$result->setErrorCode(NO_PHP_SETTINGS_NAME_FOUND);
|
|
|
642 |
} else {
|
|
|
643 |
$setting_name = $setting['@']['name'];
|
|
|
644 |
$setting_value = $setting['@']['value'];
|
|
|
645 |
$result->setInfo($setting_name);
|
|
|
646 |
|
|
|
647 |
if ($setting_name == 'memory_limit') {
|
|
|
648 |
$current = ini_get('memory_limit');
|
|
|
649 |
if ($current == -1) {
|
|
|
650 |
$result->setStatus(true);
|
|
|
651 |
} else {
|
|
|
652 |
$current = get_real_size($current);
|
|
|
653 |
$minlimit = get_real_size($setting_value);
|
|
|
654 |
if ($current < $minlimit) {
|
|
|
655 |
@ini_set('memory_limit', $setting_value);
|
|
|
656 |
$current = ini_get('memory_limit');
|
|
|
657 |
$current = get_real_size($current);
|
|
|
658 |
}
|
|
|
659 |
$result->setStatus($current >= $minlimit);
|
|
|
660 |
}
|
|
|
661 |
|
|
|
662 |
} else {
|
|
|
663 |
$current = ini_get_bool($setting_name);
|
|
|
664 |
/// The name exists. Just check if it's an installed extension
|
|
|
665 |
if ($current == $setting_value) {
|
|
|
666 |
$result->setStatus(true);
|
|
|
667 |
} else {
|
|
|
668 |
$result->setStatus(false);
|
|
|
669 |
}
|
|
|
670 |
}
|
|
|
671 |
}
|
|
|
672 |
|
|
|
673 |
/// Do any actions defined in the XML file.
|
|
|
674 |
process_environment_result($setting, $result);
|
|
|
675 |
|
|
|
676 |
/// Add the result to the array of results
|
|
|
677 |
$results[] = $result;
|
|
|
678 |
}
|
|
|
679 |
|
|
|
680 |
|
|
|
681 |
return $results;
|
|
|
682 |
}
|
|
|
683 |
|
|
|
684 |
/**
|
|
|
685 |
* This function will do the custom checks.
|
|
|
686 |
*
|
|
|
687 |
* @uses CUSTOM_CHECK_FUNCTION_MISSING
|
|
|
688 |
* @uses CUSTOM_CHECK_FILE_MISSING
|
|
|
689 |
* @uses NO_CUSTOM_CHECK_FOUND
|
|
|
690 |
* @param string $version xml version we are going to use to test this server.
|
|
|
691 |
* @param int|string $env_select one of ENV_SELECT_NEWER | ENV_SELECT_DATAROOT | ENV_SELECT_RELEASE decide xml to use. String means plugin name.
|
|
|
692 |
* @return array array of results encapsulated in environment_result objects.
|
|
|
693 |
*/
|
|
|
694 |
function environment_custom_checks($version, $env_select) {
|
|
|
695 |
global $CFG;
|
|
|
696 |
|
|
|
697 |
$results = array();
|
|
|
698 |
|
|
|
699 |
/// Get current Moodle version (release) for later compare
|
|
|
700 |
$release = isset($CFG->release) ? $CFG->release : $version; /// In case $CFG fails (at install) use $version
|
|
|
701 |
$current_version = normalize_version($release);
|
|
|
702 |
|
|
|
703 |
/// Get the enviroment version we need
|
|
|
704 |
if (!$data = get_environment_for_version($version, $env_select)) {
|
|
|
705 |
/// Error. No version data found - but this will already have been reported.
|
|
|
706 |
return $results;
|
|
|
707 |
}
|
|
|
708 |
|
|
|
709 |
/// Extract the CUSTOM_CHECKS part
|
|
|
710 |
if (!isset($data['#']['CUSTOM_CHECKS']['0']['#']['CUSTOM_CHECK'])) {
|
|
|
711 |
/// No custom checks found - not a problem
|
|
|
712 |
return $results;
|
|
|
713 |
}
|
|
|
714 |
|
|
|
715 |
/// Iterate over extensions checking them and creating the needed environment_results
|
|
|
716 |
foreach($data['#']['CUSTOM_CHECKS']['0']['#']['CUSTOM_CHECK'] as $check) {
|
|
|
717 |
$result = new environment_results('custom_check');
|
|
|
718 |
|
|
|
719 |
/// Check for level
|
|
|
720 |
$level = get_level($check);
|
|
|
721 |
|
|
|
722 |
/// Check for extension name
|
|
|
723 |
if (isset($check['@']['function'])) {
|
|
|
724 |
$function = $check['@']['function'];
|
|
|
725 |
$file = null;
|
|
|
726 |
if (isset($check['@']['file'])) {
|
|
|
727 |
$file = $CFG->dirroot . '/' . $check['@']['file'];
|
|
|
728 |
if (is_readable($file)) {
|
|
|
729 |
include_once($file);
|
|
|
730 |
}
|
|
|
731 |
}
|
|
|
732 |
|
|
|
733 |
if (is_callable($function)) {
|
|
|
734 |
$result->setLevel($level);
|
|
|
735 |
$result->setInfo($function);
|
|
|
736 |
$result = call_user_func($function, $result);
|
|
|
737 |
} else if (!$file or is_readable($file)) {
|
|
|
738 |
/// Only show error for current version (where function MUST exist)
|
|
|
739 |
/// else, we are performing custom checks against future versiosn
|
|
|
740 |
/// and function MAY not exist, so it doesn't cause error, just skip
|
|
|
741 |
/// custom check by returning null. MDL-15939
|
|
|
742 |
if (version_compare($current_version, $version, '>=')) {
|
|
|
743 |
$result->setStatus(false);
|
|
|
744 |
$result->setInfo($function);
|
|
|
745 |
$result->setErrorCode(CUSTOM_CHECK_FUNCTION_MISSING);
|
|
|
746 |
} else {
|
|
|
747 |
$result = null;
|
|
|
748 |
}
|
|
|
749 |
} else {
|
|
|
750 |
/// Only show error for current version (where function MUST exist)
|
|
|
751 |
/// else, we are performing custom checks against future versiosn
|
|
|
752 |
/// and function MAY not exist, so it doesn't cause error, just skip
|
|
|
753 |
/// custom check by returning null. MDL-15939
|
|
|
754 |
if (version_compare($current_version, $version, '>=')) {
|
|
|
755 |
$result->setStatus(false);
|
|
|
756 |
$result->setInfo($function);
|
|
|
757 |
$result->setErrorCode(CUSTOM_CHECK_FILE_MISSING);
|
|
|
758 |
} else {
|
|
|
759 |
$result = null;
|
|
|
760 |
}
|
|
|
761 |
}
|
|
|
762 |
} else {
|
|
|
763 |
$result->setStatus(false);
|
|
|
764 |
$result->setErrorCode(NO_CUSTOM_CHECK_FOUND);
|
|
|
765 |
}
|
|
|
766 |
|
|
|
767 |
if (!is_null($result)) {
|
|
|
768 |
/// Do any actions defined in the XML file.
|
|
|
769 |
process_environment_result($check, $result);
|
|
|
770 |
|
|
|
771 |
/// Add the result to the array of results
|
|
|
772 |
$results[] = $result;
|
|
|
773 |
}
|
|
|
774 |
}
|
|
|
775 |
|
|
|
776 |
return $results;
|
|
|
777 |
}
|
|
|
778 |
|
|
|
779 |
/**
|
|
|
780 |
* This function will check if Moodle requirements are satisfied
|
|
|
781 |
*
|
|
|
782 |
* @uses NO_VERSION_DATA_FOUND
|
|
|
783 |
* @param string $version xml version we are going to use to test this server
|
|
|
784 |
* @param int|string $env_select one of ENV_SELECT_NEWER | ENV_SELECT_DATAROOT | ENV_SELECT_RELEASE decide xml to use. String means plugin name.
|
|
|
785 |
* @return object results encapsulated in one environment_result object
|
|
|
786 |
*/
|
|
|
787 |
function environment_check_moodle($version, $env_select) {
|
|
|
788 |
|
|
|
789 |
$result = new environment_results('moodle');
|
|
|
790 |
|
|
|
791 |
/// Get the enviroment version we need
|
|
|
792 |
if (!$data = get_environment_for_version($version, $env_select)) {
|
|
|
793 |
/// Error. No version data found
|
|
|
794 |
$result->setStatus(false);
|
|
|
795 |
$result->setErrorCode(NO_VERSION_DATA_FOUND);
|
|
|
796 |
return $result;
|
|
|
797 |
}
|
|
|
798 |
|
|
|
799 |
/// Extract the moodle part
|
|
|
800 |
if (!isset($data['@']['requires'])) {
|
|
|
801 |
$needed_version = '1.0'; /// Default to 1.0 if no moodle requires is found
|
|
|
802 |
} else {
|
|
|
803 |
/// Extract required moodle version
|
|
|
804 |
$needed_version = $data['@']['requires'];
|
|
|
805 |
}
|
|
|
806 |
|
|
|
807 |
/// Now search the version we are using
|
|
|
808 |
$release = get_config('', 'release');
|
|
|
809 |
$current_version = normalize_version($release);
|
|
|
810 |
if (strpos($release, 'dev') !== false) {
|
|
|
811 |
// When final version is required, dev is NOT enough so, at all effects
|
|
|
812 |
// it's like we are running the previous version.
|
|
|
813 |
$versionarr = explode('.', $current_version);
|
|
|
814 |
if (isset($versionarr[1]) and $versionarr[1] > 0) {
|
|
|
815 |
$versionarr[1]--;
|
|
|
816 |
$current_version = implode('.', $versionarr);
|
|
|
817 |
} else {
|
|
|
818 |
$current_version = $current_version - 0.1;
|
|
|
819 |
}
|
|
|
820 |
}
|
|
|
821 |
|
|
|
822 |
/// And finally compare them, saving results
|
|
|
823 |
if (version_compare($current_version, $needed_version, '>=')) {
|
|
|
824 |
$result->setStatus(true);
|
|
|
825 |
} else {
|
|
|
826 |
$result->setStatus(false);
|
|
|
827 |
}
|
|
|
828 |
$result->setLevel('required');
|
|
|
829 |
$result->setCurrentVersion($release);
|
|
|
830 |
$result->setNeededVersion($needed_version);
|
|
|
831 |
|
|
|
832 |
return $result;
|
|
|
833 |
}
|
|
|
834 |
|
|
|
835 |
/**
|
|
|
836 |
* This function will check if php requirements are satisfied
|
|
|
837 |
*
|
|
|
838 |
* @uses NO_VERSION_DATA_FOUND
|
|
|
839 |
* @uses NO_PHP_SECTION_FOUND
|
|
|
840 |
* @uses NO_PHP_VERSION_FOUND
|
|
|
841 |
* @param string $version xml version we are going to use to test this server
|
|
|
842 |
* @param int|string $env_select one of ENV_SELECT_NEWER | ENV_SELECT_DATAROOT | ENV_SELECT_RELEASE decide xml to use. String means plugin name.
|
|
|
843 |
* @return object results encapsulated in one environment_result object
|
|
|
844 |
*/
|
|
|
845 |
function environment_check_php($version, $env_select) {
|
|
|
846 |
|
|
|
847 |
$result = new environment_results('php');
|
|
|
848 |
|
|
|
849 |
/// Get the enviroment version we need
|
|
|
850 |
if (!$data = get_environment_for_version($version, $env_select)) {
|
|
|
851 |
/// Error. No version data found
|
|
|
852 |
$result->setStatus(false);
|
|
|
853 |
$result->setErrorCode(NO_VERSION_DATA_FOUND);
|
|
|
854 |
return $result;
|
|
|
855 |
}
|
|
|
856 |
|
|
|
857 |
/// Extract the php part
|
|
|
858 |
if (!isset($data['#']['PHP'])) {
|
|
|
859 |
/// Error. No PHP section found
|
|
|
860 |
$result->setStatus(false);
|
|
|
861 |
$result->setErrorCode(NO_PHP_SECTION_FOUND);
|
|
|
862 |
return $result;
|
|
|
863 |
} else {
|
|
|
864 |
/// Extract level and version
|
|
|
865 |
$level = get_level($data['#']['PHP']['0']);
|
|
|
866 |
if (!isset($data['#']['PHP']['0']['@']['version'])) {
|
|
|
867 |
$result->setStatus(false);
|
|
|
868 |
$result->setErrorCode(NO_PHP_VERSION_FOUND);
|
|
|
869 |
return $result;
|
|
|
870 |
} else {
|
|
|
871 |
$needed_version = $data['#']['PHP']['0']['@']['version'];
|
|
|
872 |
}
|
|
|
873 |
}
|
|
|
874 |
|
|
|
875 |
/// Now search the version we are using
|
|
|
876 |
$current_version = normalize_version(phpversion());
|
|
|
877 |
|
|
|
878 |
/// And finally compare them, saving results
|
|
|
879 |
if (version_compare($current_version, $needed_version, '>=')) {
|
|
|
880 |
$result->setStatus(true);
|
|
|
881 |
} else {
|
|
|
882 |
$result->setStatus(false);
|
|
|
883 |
}
|
|
|
884 |
$result->setLevel($level);
|
|
|
885 |
$result->setCurrentVersion($current_version);
|
|
|
886 |
$result->setNeededVersion($needed_version);
|
|
|
887 |
|
|
|
888 |
/// Do any actions defined in the XML file.
|
|
|
889 |
process_environment_result($data['#']['PHP'][0], $result);
|
|
|
890 |
|
|
|
891 |
return $result;
|
|
|
892 |
}
|
|
|
893 |
|
|
|
894 |
/**
|
|
|
895 |
* Looks for buggy PCRE implementation, we need unicode support in Moodle...
|
|
|
896 |
* @param string $version xml version we are going to use to test this server
|
|
|
897 |
* @param int|string $env_select one of ENV_SELECT_NEWER | ENV_SELECT_DATAROOT | ENV_SELECT_RELEASE decide xml to use. String means plugin name.
|
|
|
898 |
* @return ?environment_results results encapsulated in one environment_result object, null if irrelevant
|
|
|
899 |
*/
|
|
|
900 |
function environment_check_pcre_unicode($version, $env_select) {
|
|
|
901 |
$result = new environment_results('pcreunicode');
|
|
|
902 |
|
|
|
903 |
// Get the environment version we need
|
|
|
904 |
if (!$data = get_environment_for_version($version, $env_select)) {
|
|
|
905 |
// Error. No version data found!
|
|
|
906 |
$result->setStatus(false);
|
|
|
907 |
$result->setErrorCode(NO_VERSION_DATA_FOUND);
|
|
|
908 |
return $result;
|
|
|
909 |
}
|
|
|
910 |
|
|
|
911 |
if (!isset($data['#']['PCREUNICODE'])) {
|
|
|
912 |
return null;
|
|
|
913 |
}
|
|
|
914 |
|
|
|
915 |
$level = get_level($data['#']['PCREUNICODE']['0']);
|
|
|
916 |
$result->setLevel($level);
|
|
|
917 |
|
|
|
918 |
if (!function_exists('preg_match')) {
|
|
|
919 |
// The extension test fails instead.
|
|
|
920 |
return null;
|
|
|
921 |
|
|
|
922 |
} else if (@preg_match('/\pL/u', 'a') and @preg_match('/á/iu', 'Á')) {
|
|
|
923 |
$result->setStatus(true);
|
|
|
924 |
|
|
|
925 |
} else {
|
|
|
926 |
$result->setStatus(false);
|
|
|
927 |
}
|
|
|
928 |
|
|
|
929 |
// Do any actions defined in the XML file.
|
|
|
930 |
process_environment_result($data['#']['PCREUNICODE'][0], $result);
|
|
|
931 |
|
|
|
932 |
return $result;
|
|
|
933 |
}
|
|
|
934 |
|
|
|
935 |
/**
|
|
|
936 |
* This function will check if unicode database requirements are satisfied
|
|
|
937 |
*
|
|
|
938 |
* @uses NO_VERSION_DATA_FOUND
|
|
|
939 |
* @uses NO_UNICODE_SECTION_FOUND
|
|
|
940 |
* @param string $version xml version we are going to use to test this server
|
|
|
941 |
* @param int|string $env_select one of ENV_SELECT_NEWER | ENV_SELECT_DATAROOT | ENV_SELECT_RELEASE decide xml to use. String means plugin name.
|
|
|
942 |
* @return object results encapsulated in one environment_result object
|
|
|
943 |
*/
|
|
|
944 |
function environment_check_unicode($version, $env_select) {
|
|
|
945 |
global $DB;
|
|
|
946 |
|
|
|
947 |
$result = new environment_results('unicode');
|
|
|
948 |
|
|
|
949 |
/// Get the enviroment version we need
|
|
|
950 |
if (!$data = get_environment_for_version($version, $env_select)) {
|
|
|
951 |
/// Error. No version data found
|
|
|
952 |
$result->setStatus(false);
|
|
|
953 |
$result->setErrorCode(NO_VERSION_DATA_FOUND);
|
|
|
954 |
return $result;
|
|
|
955 |
}
|
|
|
956 |
|
|
|
957 |
/// Extract the unicode part
|
|
|
958 |
|
|
|
959 |
if (!isset($data['#']['UNICODE'])) {
|
|
|
960 |
/// Error. No UNICODE section found
|
|
|
961 |
$result->setStatus(false);
|
|
|
962 |
$result->setErrorCode(NO_UNICODE_SECTION_FOUND);
|
|
|
963 |
return $result;
|
|
|
964 |
} else {
|
|
|
965 |
/// Extract level
|
|
|
966 |
$level = get_level($data['#']['UNICODE']['0']);
|
|
|
967 |
}
|
|
|
968 |
|
|
|
969 |
if (!$unicodedb = $DB->setup_is_unicodedb()) {
|
|
|
970 |
$result->setStatus(false);
|
|
|
971 |
} else {
|
|
|
972 |
$result->setStatus(true);
|
|
|
973 |
}
|
|
|
974 |
|
|
|
975 |
$result->setLevel($level);
|
|
|
976 |
|
|
|
977 |
/// Do any actions defined in the XML file.
|
|
|
978 |
process_environment_result($data['#']['UNICODE'][0], $result);
|
|
|
979 |
|
|
|
980 |
return $result;
|
|
|
981 |
}
|
|
|
982 |
|
|
|
983 |
/**
|
|
|
984 |
* This function will check if database requirements are satisfied
|
|
|
985 |
*
|
|
|
986 |
* @uses NO_VERSION_DATA_FOUND
|
|
|
987 |
* @uses NO_DATABASE_SECTION_FOUND
|
|
|
988 |
* @uses NO_DATABASE_VENDORS_FOUND
|
|
|
989 |
* @uses NO_DATABASE_VENDOR_MYSQL_FOUND
|
|
|
990 |
* @uses NO_DATABASE_VENDOR_POSTGRES_FOUND
|
|
|
991 |
* @uses NO_DATABASE_VENDOR_VERSION_FOUND
|
|
|
992 |
* @param string $version xml version we are going to use to test this server
|
|
|
993 |
* @param int|string $env_select one of ENV_SELECT_NEWER | ENV_SELECT_DATAROOT | ENV_SELECT_RELEASE decide xml to use. String means plugin name.
|
|
|
994 |
* @return object results encapsulated in one environment_result object
|
|
|
995 |
*/
|
|
|
996 |
function environment_check_database($version, $env_select) {
|
|
|
997 |
|
|
|
998 |
global $DB;
|
|
|
999 |
|
|
|
1000 |
$result = new environment_results('database');
|
|
|
1001 |
|
|
|
1002 |
$vendors = array(); //Array of vendors in version
|
|
|
1003 |
|
|
|
1004 |
/// Get the enviroment version we need
|
|
|
1005 |
if (!$data = get_environment_for_version($version, $env_select)) {
|
|
|
1006 |
/// Error. No version data found
|
|
|
1007 |
$result->setStatus(false);
|
|
|
1008 |
$result->setErrorCode(NO_VERSION_DATA_FOUND);
|
|
|
1009 |
return $result;
|
|
|
1010 |
}
|
|
|
1011 |
|
|
|
1012 |
/// Extract the database part
|
|
|
1013 |
if (!isset($data['#']['DATABASE'])) {
|
|
|
1014 |
/// Error. No DATABASE section found
|
|
|
1015 |
$result->setStatus(false);
|
|
|
1016 |
$result->setErrorCode(NO_DATABASE_SECTION_FOUND);
|
|
|
1017 |
return $result;
|
|
|
1018 |
} else {
|
|
|
1019 |
/// Extract level
|
|
|
1020 |
$level = get_level($data['#']['DATABASE']['0']);
|
|
|
1021 |
}
|
|
|
1022 |
|
|
|
1023 |
/// Extract DB vendors. At least 2 are mandatory (mysql & postgres)
|
|
|
1024 |
if (!isset($data['#']['DATABASE']['0']['#']['VENDOR'])) {
|
|
|
1025 |
/// Error. No VENDORS found
|
|
|
1026 |
$result->setStatus(false);
|
|
|
1027 |
$result->setErrorCode(NO_DATABASE_VENDORS_FOUND);
|
|
|
1028 |
return $result;
|
|
|
1029 |
} else {
|
|
|
1030 |
/// Extract vendors
|
|
|
1031 |
foreach ($data['#']['DATABASE']['0']['#']['VENDOR'] as $vendor) {
|
|
|
1032 |
if (isset($vendor['@']['name']) && isset($vendor['@']['version'])) {
|
|
|
1033 |
$vendors[$vendor['@']['name']] = $vendor['@']['version'];
|
|
|
1034 |
$vendorsxml[$vendor['@']['name']] = $vendor;
|
|
|
1035 |
}
|
|
|
1036 |
}
|
|
|
1037 |
}
|
|
|
1038 |
/// Check we have the mysql vendor version
|
|
|
1039 |
if (empty($vendors['mysql'])) {
|
|
|
1040 |
$result->setStatus(false);
|
|
|
1041 |
$result->setErrorCode(NO_DATABASE_VENDOR_MYSQL_FOUND);
|
|
|
1042 |
return $result;
|
|
|
1043 |
}
|
|
|
1044 |
/// Check we have the postgres vendor version
|
|
|
1045 |
if (empty($vendors['postgres'])) {
|
|
|
1046 |
$result->setStatus(false);
|
|
|
1047 |
$result->setErrorCode(NO_DATABASE_VENDOR_POSTGRES_FOUND);
|
|
|
1048 |
return $result;
|
|
|
1049 |
}
|
|
|
1050 |
|
|
|
1051 |
/// Now search the version we are using (depending of vendor)
|
|
|
1052 |
$current_vendor = $DB->get_dbvendor();
|
|
|
1053 |
|
|
|
1054 |
$dbinfo = $DB->get_server_info();
|
|
|
1055 |
$current_version = normalize_version($dbinfo['version']);
|
|
|
1056 |
$needed_version = $vendors[$current_vendor];
|
|
|
1057 |
|
|
|
1058 |
/// Check we have a needed version
|
|
|
1059 |
if (!$needed_version) {
|
|
|
1060 |
$result->setStatus(false);
|
|
|
1061 |
$result->setErrorCode(NO_DATABASE_VENDOR_VERSION_FOUND);
|
|
|
1062 |
return $result;
|
|
|
1063 |
}
|
|
|
1064 |
|
|
|
1065 |
// Check if the DB Vendor has been properly configured.
|
|
|
1066 |
// Hack: this is required when playing with MySQL and MariaDB since they share the same PHP module and base DB classes,
|
|
|
1067 |
// whilst they are slowly evolving using separate directions though MariaDB is still an "almost" drop-in replacement.
|
|
|
1068 |
$dbvendorismysql = ($current_vendor === 'mysql');
|
|
|
1069 |
$dbtypeismariadb = (stripos($dbinfo['description'], 'mariadb') !== false);
|
|
|
1070 |
if ($dbvendorismysql && $dbtypeismariadb) {
|
|
|
1071 |
$result->setStatus(false);
|
|
|
1072 |
$result->setLevel($level);
|
|
|
1073 |
$result->setInfo($current_vendor . ' (' . $dbinfo['description'] . ')');
|
|
|
1074 |
$result->setFeedbackStr('environmentmariadbwrongdbtype');
|
|
|
1075 |
return $result;
|
|
|
1076 |
}
|
|
|
1077 |
|
|
|
1078 |
/// And finally compare them, saving results
|
|
|
1079 |
if (version_compare($current_version, $needed_version, '>=')) {
|
|
|
1080 |
$result->setStatus(true);
|
|
|
1081 |
} else {
|
|
|
1082 |
$result->setStatus(false);
|
|
|
1083 |
}
|
|
|
1084 |
$result->setLevel($level);
|
|
|
1085 |
$result->setCurrentVersion($current_version);
|
|
|
1086 |
$result->setNeededVersion($needed_version);
|
|
|
1087 |
$result->setInfo($current_vendor . ' (' . $dbinfo['description'] . ')');
|
|
|
1088 |
|
|
|
1089 |
/// Do any actions defined in the XML file.
|
|
|
1090 |
process_environment_result($vendorsxml[$current_vendor], $result);
|
|
|
1091 |
|
|
|
1092 |
return $result;
|
|
|
1093 |
|
|
|
1094 |
}
|
|
|
1095 |
|
|
|
1096 |
/**
|
|
|
1097 |
* This function will post-process the result record by executing the specified
|
|
|
1098 |
* function, modifying it as necessary, also a custom message will be added
|
|
|
1099 |
* to the result object to be printed by the display layer.
|
|
|
1100 |
* Every bypass function must be defined in this file and it'll return
|
|
|
1101 |
* true/false to decide if the original test is bypassed or no. Also
|
|
|
1102 |
* such bypass functions are able to directly handling the result object
|
|
|
1103 |
* although it should be only under exceptional conditions.
|
|
|
1104 |
*
|
|
|
1105 |
* @param array $xml xml containing the bypass data
|
|
|
1106 |
* @param environment_results $result object to be updated
|
|
|
1107 |
* @return void
|
|
|
1108 |
*/
|
|
|
1109 |
function process_environment_bypass($xml, &$result) {
|
|
|
1110 |
|
|
|
1111 |
/// Only try to bypass if we were in error and it was required
|
|
|
1112 |
if ($result->getStatus() || $result->getLevel() == 'optional') {
|
|
|
1113 |
return;
|
|
|
1114 |
}
|
|
|
1115 |
|
|
|
1116 |
/// It there is bypass info (function and message)
|
|
|
1117 |
if (is_array($xml['#']) && isset($xml['#']['BYPASS'][0]['@']['function']) && isset($xml['#']['BYPASS'][0]['@']['message'])) {
|
|
|
1118 |
$function = $xml['#']['BYPASS'][0]['@']['function'];
|
|
|
1119 |
$message = $xml['#']['BYPASS'][0]['@']['message'];
|
|
|
1120 |
/// Look for the function
|
|
|
1121 |
if (function_exists($function)) {
|
|
|
1122 |
/// Call it, and if bypass = true is returned, apply meesage
|
|
|
1123 |
if ($function($result)) {
|
|
|
1124 |
/// We only set the bypass message if the function itself hasn't defined it before
|
|
|
1125 |
if (empty($result->getBypassStr)) {
|
|
|
1126 |
if (isset($xml['#']['BYPASS'][0]['@']['plugin'])) {
|
|
|
1127 |
$result->setBypassStr(array($message, $xml['#']['BYPASS'][0]['@']['plugin']));
|
|
|
1128 |
} else {
|
|
|
1129 |
$result->setBypassStr($message);
|
|
|
1130 |
}
|
|
|
1131 |
}
|
|
|
1132 |
}
|
|
|
1133 |
}
|
|
|
1134 |
}
|
|
|
1135 |
}
|
|
|
1136 |
|
|
|
1137 |
/**
|
|
|
1138 |
* This function will post-process the result record by executing the specified
|
|
|
1139 |
* function, modifying it as necessary, also a custom message will be added
|
|
|
1140 |
* to the result object to be printed by the display layer.
|
|
|
1141 |
* Every restrict function must be defined in this file and it'll return
|
|
|
1142 |
* true/false to decide if the original test is restricted or no. Also
|
|
|
1143 |
* such restrict functions are able to directly handling the result object
|
|
|
1144 |
* although it should be only under exceptional conditions.
|
|
|
1145 |
*
|
|
|
1146 |
* @param array $xml xmldata containing the restrict data
|
|
|
1147 |
* @param environment_results $result object to be updated
|
|
|
1148 |
* @return void
|
|
|
1149 |
*/
|
|
|
1150 |
function process_environment_restrict($xml, &$result) {
|
|
|
1151 |
|
|
|
1152 |
/// Only try to restrict if we were not in error and it was required
|
|
|
1153 |
if (!$result->getStatus() || $result->getLevel() == 'optional') {
|
|
|
1154 |
return;
|
|
|
1155 |
}
|
|
|
1156 |
/// It there is restrict info (function and message)
|
|
|
1157 |
if (is_array($xml['#']) && isset($xml['#']['RESTRICT'][0]['@']['function']) && isset($xml['#']['RESTRICT'][0]['@']['message'])) {
|
|
|
1158 |
$function = $xml['#']['RESTRICT'][0]['@']['function'];
|
|
|
1159 |
$message = $xml['#']['RESTRICT'][0]['@']['message'];
|
|
|
1160 |
/// Look for the function
|
|
|
1161 |
if (function_exists($function)) {
|
|
|
1162 |
/// Call it, and if restrict = true is returned, apply meesage
|
|
|
1163 |
if ($function($result)) {
|
|
|
1164 |
/// We only set the restrict message if the function itself hasn't defined it before
|
|
|
1165 |
if (empty($result->getRestrictStr)) {
|
|
|
1166 |
if (isset($xml['#']['RESTRICT'][0]['@']['plugin'])) {
|
|
|
1167 |
$result->setRestrictStr(array($message, $xml['#']['RESTRICT'][0]['@']['plugin']));
|
|
|
1168 |
} else {
|
|
|
1169 |
$result->setRestrictStr($message);
|
|
|
1170 |
}
|
|
|
1171 |
}
|
|
|
1172 |
}
|
|
|
1173 |
}
|
|
|
1174 |
}
|
|
|
1175 |
}
|
|
|
1176 |
|
|
|
1177 |
/**
|
|
|
1178 |
* This function will detect if there is some message available to be added to the
|
|
|
1179 |
* result in order to clarify enviromental details.
|
|
|
1180 |
*
|
|
|
1181 |
* @uses INCORRECT_FEEDBACK_FOR_REQUIRED
|
|
|
1182 |
* @uses INCORRECT_FEEDBACK_FOR_OPTIONAL
|
|
|
1183 |
* @param array $xml xmldata containing the feedback data
|
|
|
1184 |
* @param environment_results $result object to be updated
|
|
|
1185 |
*/
|
|
|
1186 |
function process_environment_messages($xml, &$result) {
|
|
|
1187 |
|
|
|
1188 |
/// If there is feedback info
|
|
|
1189 |
if (is_array($xml['#']) && isset($xml['#']['FEEDBACK'][0]['#'])) {
|
|
|
1190 |
$feedbackxml = $xml['#']['FEEDBACK'][0]['#'];
|
|
|
1191 |
|
|
|
1192 |
// Detect some incorrect feedback combinations.
|
|
|
1193 |
if ($result->getLevel() == 'required' and isset($feedbackxml['ON_CHECK'])) {
|
|
|
1194 |
$result->setStatus(false);
|
|
|
1195 |
$result->setErrorCode(INCORRECT_FEEDBACK_FOR_REQUIRED);
|
|
|
1196 |
} else if ($result->getLevel() == 'optional' and isset($feedbackxml['ON_ERROR'])) {
|
|
|
1197 |
$result->setStatus(false);
|
|
|
1198 |
$result->setErrorCode(INCORRECT_FEEDBACK_FOR_OPTIONAL);
|
|
|
1199 |
}
|
|
|
1200 |
|
|
|
1201 |
if (!$result->status and $result->getLevel() == 'required') {
|
|
|
1202 |
if (isset($feedbackxml['ON_ERROR'][0]['@']['message'])) {
|
|
|
1203 |
if (isset($feedbackxml['ON_ERROR'][0]['@']['plugin'])) {
|
|
|
1204 |
$result->setFeedbackStr(array($feedbackxml['ON_ERROR'][0]['@']['message'], $feedbackxml['ON_ERROR'][0]['@']['plugin']));
|
|
|
1205 |
} else {
|
|
|
1206 |
$result->setFeedbackStr($feedbackxml['ON_ERROR'][0]['@']['message']);
|
|
|
1207 |
}
|
|
|
1208 |
}
|
|
|
1209 |
} else if (!$result->status and $result->getLevel() == 'optional') {
|
|
|
1210 |
if (isset($feedbackxml['ON_CHECK'][0]['@']['message'])) {
|
|
|
1211 |
if (isset($feedbackxml['ON_CHECK'][0]['@']['plugin'])) {
|
|
|
1212 |
$result->setFeedbackStr(array($feedbackxml['ON_CHECK'][0]['@']['message'], $feedbackxml['ON_CHECK'][0]['@']['plugin']));
|
|
|
1213 |
} else {
|
|
|
1214 |
$result->setFeedbackStr($feedbackxml['ON_CHECK'][0]['@']['message']);
|
|
|
1215 |
}
|
|
|
1216 |
}
|
|
|
1217 |
} else {
|
|
|
1218 |
if (isset($feedbackxml['ON_OK'][0]['@']['message'])) {
|
|
|
1219 |
if (isset($feedbackxml['ON_OK'][0]['@']['plugin'])) {
|
|
|
1220 |
$result->setFeedbackStr(array($feedbackxml['ON_OK'][0]['@']['message'], $feedbackxml['ON_OK'][0]['@']['plugin']));
|
|
|
1221 |
} else {
|
|
|
1222 |
$result->setFeedbackStr($feedbackxml['ON_OK'][0]['@']['message']);
|
|
|
1223 |
}
|
|
|
1224 |
}
|
|
|
1225 |
}
|
|
|
1226 |
}
|
|
|
1227 |
}
|
|
|
1228 |
|
|
|
1229 |
|
|
|
1230 |
//--- Helper Class to return results to caller ---//
|
|
|
1231 |
|
|
|
1232 |
|
|
|
1233 |
/**
|
|
|
1234 |
* Helper Class to return results to caller
|
|
|
1235 |
*
|
|
|
1236 |
* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
|
|
|
1237 |
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
|
1238 |
* @package moodlecore
|
|
|
1239 |
*/
|
|
|
1240 |
class environment_results {
|
|
|
1241 |
/**
|
|
|
1242 |
* @var string Which are we checking (database, php, php_extension, php_extension)
|
|
|
1243 |
*/
|
|
|
1244 |
var $part;
|
|
|
1245 |
/**
|
|
|
1246 |
* @var bool true means the test passed and all is OK. false means it failed.
|
|
|
1247 |
*/
|
|
|
1248 |
var $status;
|
|
|
1249 |
/**
|
|
|
1250 |
* @var integer See constants at the beginning of the file
|
|
|
1251 |
*/
|
|
|
1252 |
var $error_code;
|
|
|
1253 |
/**
|
|
|
1254 |
* @var string required/optional/recommended.
|
|
|
1255 |
*/
|
|
|
1256 |
var $level;
|
|
|
1257 |
/**
|
|
|
1258 |
* @var string current version detected
|
|
|
1259 |
*/
|
|
|
1260 |
var $current_version;
|
|
|
1261 |
/**
|
|
|
1262 |
* @var string version needed
|
|
|
1263 |
*/
|
|
|
1264 |
var $needed_version;
|
|
|
1265 |
/**
|
|
|
1266 |
* @var string Aux. info (DB vendor, library...)
|
|
|
1267 |
*/
|
|
|
1268 |
var $info;
|
|
|
1269 |
/**
|
|
|
1270 |
* @var string String to show on error|on check|on ok
|
|
|
1271 |
*/
|
|
|
1272 |
var $feedback_str;
|
|
|
1273 |
/**
|
|
|
1274 |
* @var string String to show if some bypass has happened
|
|
|
1275 |
*/
|
|
|
1276 |
var $bypass_str;
|
|
|
1277 |
/**
|
|
|
1278 |
* @var string String to show if some restrict has happened
|
|
|
1279 |
*/
|
|
|
1280 |
var $restrict_str;
|
|
|
1281 |
/**
|
|
|
1282 |
* @var string|null full plugin name or null if main environment
|
|
|
1283 |
*/
|
|
|
1284 |
var $plugin = null;
|
|
|
1285 |
/**
|
|
|
1286 |
* Constructor of the environment_result class. Just set default values
|
|
|
1287 |
*
|
|
|
1288 |
* @param string $part
|
|
|
1289 |
*/
|
|
|
1290 |
public function __construct($part) {
|
|
|
1291 |
$this->part=$part;
|
|
|
1292 |
$this->status=false;
|
|
|
1293 |
$this->error_code=NO_ERROR;
|
|
|
1294 |
$this->level='required';
|
|
|
1295 |
$this->current_version='';
|
|
|
1296 |
$this->needed_version='';
|
|
|
1297 |
$this->info='';
|
|
|
1298 |
$this->feedback_str='';
|
|
|
1299 |
$this->bypass_str='';
|
|
|
1300 |
$this->restrict_str='';
|
|
|
1301 |
}
|
|
|
1302 |
|
|
|
1303 |
/**
|
|
|
1304 |
* Old syntax of class constructor. Deprecated in PHP7.
|
|
|
1305 |
*
|
|
|
1306 |
* @deprecated since Moodle 3.1
|
|
|
1307 |
*/
|
|
|
1308 |
public function environment_results($part) {
|
|
|
1309 |
debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
|
|
|
1310 |
self::__construct($part);
|
|
|
1311 |
}
|
|
|
1312 |
|
|
|
1313 |
/**
|
|
|
1314 |
* Set the status
|
|
|
1315 |
*
|
|
|
1316 |
* @param bool $testpassed true means the test passed and all is OK. false means it failed.
|
|
|
1317 |
*/
|
|
|
1318 |
function setStatus($testpassed) {
|
|
|
1319 |
$this->status = $testpassed;
|
|
|
1320 |
if ($testpassed) {
|
|
|
1321 |
$this->setErrorCode(NO_ERROR);
|
|
|
1322 |
}
|
|
|
1323 |
}
|
|
|
1324 |
|
|
|
1325 |
/**
|
|
|
1326 |
* Set the error_code
|
|
|
1327 |
*
|
|
|
1328 |
* @param integer $error_code the error code (see constants above)
|
|
|
1329 |
*/
|
|
|
1330 |
function setErrorCode($error_code) {
|
|
|
1331 |
$this->error_code=$error_code;
|
|
|
1332 |
}
|
|
|
1333 |
|
|
|
1334 |
/**
|
|
|
1335 |
* Set the level
|
|
|
1336 |
*
|
|
|
1337 |
* @param string $level the level (required, optional)
|
|
|
1338 |
*/
|
|
|
1339 |
function setLevel($level) {
|
|
|
1340 |
$this->level=$level;
|
|
|
1341 |
}
|
|
|
1342 |
|
|
|
1343 |
/**
|
|
|
1344 |
* Set the current version
|
|
|
1345 |
*
|
|
|
1346 |
* @param string $current_version the current version
|
|
|
1347 |
*/
|
|
|
1348 |
function setCurrentVersion($current_version) {
|
|
|
1349 |
$this->current_version=$current_version;
|
|
|
1350 |
}
|
|
|
1351 |
|
|
|
1352 |
/**
|
|
|
1353 |
* Set the needed version
|
|
|
1354 |
*
|
|
|
1355 |
* @param string $needed_version the needed version
|
|
|
1356 |
*/
|
|
|
1357 |
function setNeededVersion($needed_version) {
|
|
|
1358 |
$this->needed_version=$needed_version;
|
|
|
1359 |
}
|
|
|
1360 |
|
|
|
1361 |
/**
|
|
|
1362 |
* Set the auxiliary info
|
|
|
1363 |
*
|
|
|
1364 |
* @param string $info the auxiliary info
|
|
|
1365 |
*/
|
|
|
1366 |
function setInfo($info) {
|
|
|
1367 |
$this->info=$info;
|
|
|
1368 |
}
|
|
|
1369 |
|
|
|
1370 |
/**
|
|
|
1371 |
* Set the feedback string
|
|
|
1372 |
*
|
|
|
1373 |
* @param mixed $str the feedback string that will be fetched from the admin lang file.
|
|
|
1374 |
* pass just the string or pass an array of params for get_string
|
|
|
1375 |
* You always should put your string in admin.php but a third param is useful
|
|
|
1376 |
* to pass an $a object / string to get_string
|
|
|
1377 |
*/
|
|
|
1378 |
function setFeedbackStr($str) {
|
|
|
1379 |
$this->feedback_str=$str;
|
|
|
1380 |
}
|
|
|
1381 |
|
|
|
1382 |
|
|
|
1383 |
/**
|
|
|
1384 |
* Set the bypass string
|
|
|
1385 |
*
|
|
|
1386 |
* @param string $str the bypass string that will be fetched from the admin lang file.
|
|
|
1387 |
* pass just the string or pass an array of params for get_string
|
|
|
1388 |
* You always should put your string in admin.php but a third param is useful
|
|
|
1389 |
* to pass an $a object / string to get_string
|
|
|
1390 |
*/
|
|
|
1391 |
function setBypassStr($str) {
|
|
|
1392 |
$this->bypass_str=$str;
|
|
|
1393 |
}
|
|
|
1394 |
|
|
|
1395 |
/**
|
|
|
1396 |
* Set the restrict string
|
|
|
1397 |
*
|
|
|
1398 |
* @param string $str the restrict string that will be fetched from the admin lang file.
|
|
|
1399 |
* pass just the string or pass an array of params for get_string
|
|
|
1400 |
* You always should put your string in admin.php but a third param is useful
|
|
|
1401 |
* to pass an $a object / string to get_string
|
|
|
1402 |
*/
|
|
|
1403 |
function setRestrictStr($str) {
|
|
|
1404 |
$this->restrict_str=$str;
|
|
|
1405 |
}
|
|
|
1406 |
|
|
|
1407 |
/**
|
|
|
1408 |
* Get the status
|
|
|
1409 |
*
|
|
|
1410 |
* @return bool true means the test passed and all is OK. false means it failed.
|
|
|
1411 |
*/
|
|
|
1412 |
function getStatus() {
|
|
|
1413 |
return $this->status;
|
|
|
1414 |
}
|
|
|
1415 |
|
|
|
1416 |
/**
|
|
|
1417 |
* Get the error code
|
|
|
1418 |
*
|
|
|
1419 |
* @return integer error code
|
|
|
1420 |
*/
|
|
|
1421 |
function getErrorCode() {
|
|
|
1422 |
return $this->error_code;
|
|
|
1423 |
}
|
|
|
1424 |
|
|
|
1425 |
/**
|
|
|
1426 |
* Get the level
|
|
|
1427 |
*
|
|
|
1428 |
* @return string level
|
|
|
1429 |
*/
|
|
|
1430 |
function getLevel() {
|
|
|
1431 |
return $this->level;
|
|
|
1432 |
}
|
|
|
1433 |
|
|
|
1434 |
/**
|
|
|
1435 |
* Get the current version
|
|
|
1436 |
*
|
|
|
1437 |
* @return string current version
|
|
|
1438 |
*/
|
|
|
1439 |
function getCurrentVersion() {
|
|
|
1440 |
return $this->current_version;
|
|
|
1441 |
}
|
|
|
1442 |
|
|
|
1443 |
/**
|
|
|
1444 |
* Get the needed version
|
|
|
1445 |
*
|
|
|
1446 |
* @return string needed version
|
|
|
1447 |
*/
|
|
|
1448 |
function getNeededVersion() {
|
|
|
1449 |
return $this->needed_version;
|
|
|
1450 |
}
|
|
|
1451 |
|
|
|
1452 |
/**
|
|
|
1453 |
* Get the aux info
|
|
|
1454 |
*
|
|
|
1455 |
* @return string info
|
|
|
1456 |
*/
|
|
|
1457 |
function getInfo() {
|
|
|
1458 |
return $this->info;
|
|
|
1459 |
}
|
|
|
1460 |
|
|
|
1461 |
/**
|
|
|
1462 |
* Get the part this result belongs to
|
|
|
1463 |
*
|
|
|
1464 |
* @return string part
|
|
|
1465 |
*/
|
|
|
1466 |
function getPart() {
|
|
|
1467 |
return $this->part;
|
|
|
1468 |
}
|
|
|
1469 |
|
|
|
1470 |
/**
|
|
|
1471 |
* Get the feedback string
|
|
|
1472 |
*
|
|
|
1473 |
* @return mixed feedback string (can be an array of params for get_string or a single string to fetch from
|
|
|
1474 |
* admin.php lang file).
|
|
|
1475 |
*/
|
|
|
1476 |
function getFeedbackStr() {
|
|
|
1477 |
return $this->feedback_str;
|
|
|
1478 |
}
|
|
|
1479 |
|
|
|
1480 |
/**
|
|
|
1481 |
* Get the bypass string
|
|
|
1482 |
*
|
|
|
1483 |
* @return mixed bypass string (can be an array of params for get_string or a single string to fetch from
|
|
|
1484 |
* admin.php lang file).
|
|
|
1485 |
*/
|
|
|
1486 |
function getBypassStr() {
|
|
|
1487 |
return $this->bypass_str;
|
|
|
1488 |
}
|
|
|
1489 |
|
|
|
1490 |
/**
|
|
|
1491 |
* Get the restrict string
|
|
|
1492 |
*
|
|
|
1493 |
* @return mixed restrict string (can be an array of params for get_string or a single string to fetch from
|
|
|
1494 |
* admin.php lang file).
|
|
|
1495 |
*/
|
|
|
1496 |
function getRestrictStr() {
|
|
|
1497 |
return $this->restrict_str;
|
|
|
1498 |
}
|
|
|
1499 |
|
|
|
1500 |
/**
|
|
|
1501 |
* @todo Document this function
|
|
|
1502 |
*
|
|
|
1503 |
* @param mixed $string params for get_string, either a string to fetch from admin.php or an array of
|
|
|
1504 |
* params for get_string.
|
|
|
1505 |
* @param string $class css class(es) for message.
|
|
|
1506 |
* @return string feedback string fetched from lang file wrapped in p tag with class $class or returns
|
|
|
1507 |
* empty string if $string is empty.
|
|
|
1508 |
*/
|
|
|
1509 |
function strToReport($string, $class){
|
|
|
1510 |
if (!empty($string)){
|
|
|
1511 |
if (is_array($string)){
|
|
|
1512 |
$str = call_user_func_array('get_string', $string);
|
|
|
1513 |
} else {
|
|
|
1514 |
$str = get_string($string, 'admin');
|
|
|
1515 |
}
|
|
|
1516 |
return '<p class="'.$class.'">'.$str.'</p>';
|
|
|
1517 |
} else {
|
|
|
1518 |
return '';
|
|
|
1519 |
}
|
|
|
1520 |
}
|
|
|
1521 |
|
|
|
1522 |
/**
|
|
|
1523 |
* Get plugin name.
|
|
|
1524 |
*
|
|
|
1525 |
* @return string plugin name
|
|
|
1526 |
*/
|
|
|
1527 |
function getPluginName() {
|
|
|
1528 |
if ($this->plugin) {
|
|
|
1529 |
$manager = core_plugin_manager::instance();
|
|
|
1530 |
list($plugintype, $pluginname) = core_component::normalize_component($this->plugin);
|
|
|
1531 |
return $manager->plugintype_name($plugintype) . ' / ' . $manager->plugin_name($this->plugin);
|
|
|
1532 |
} else {
|
|
|
1533 |
return '';
|
|
|
1534 |
}
|
|
|
1535 |
}
|
|
|
1536 |
}
|
|
|
1537 |
|
|
|
1538 |
/// Here all the restrict functions are coded to be used by the environment
|
|
|
1539 |
/// checker. All those functions will receive the result object and will
|
|
|
1540 |
/// return it modified as needed (status and bypass string)
|
|
|
1541 |
|
|
|
1542 |
/**
|
|
|
1543 |
* @param array $element the element from the environment.xml file that should have
|
|
|
1544 |
* either a level="required" or level="optional" attribute.
|
|
|
1545 |
* @return string "required" or "optional".
|
|
|
1546 |
*/
|
|
|
1547 |
function get_level($element) {
|
|
|
1548 |
$level = 'required';
|
|
|
1549 |
if (isset($element['@']['level'])) {
|
|
|
1550 |
$level = $element['@']['level'];
|
|
|
1551 |
if (!in_array($level, ['required', 'optional', 'recommended'])) {
|
|
|
1552 |
debugging('The level of a check in the environment.xml file must be "required", "optional" or "recommended".',
|
|
|
1553 |
DEBUG_DEVELOPER);
|
|
|
1554 |
$level = 'required';
|
|
|
1555 |
}
|
|
|
1556 |
} else {
|
|
|
1557 |
debugging('Checks in the environment.xml file must have a level="required" or level="optional" attribute.', DEBUG_DEVELOPER);
|
|
|
1558 |
}
|
|
|
1559 |
return $level;
|
|
|
1560 |
}
|
|
|
1561 |
|
|
|
1562 |
/**
|
|
|
1563 |
* Once the result has been determined, look in the XML for any
|
|
|
1564 |
* messages, or other things that should be done depending on the outcome.
|
|
|
1565 |
*
|
|
|
1566 |
* @param array $element the element from the environment.xml file which
|
|
|
1567 |
* may have children defining what should be done with the outcome.
|
|
|
1568 |
* @param object $result the result of the test, which may be modified by
|
|
|
1569 |
* this function as specified in the XML.
|
|
|
1570 |
*/
|
|
|
1571 |
function process_environment_result($element, &$result) {
|
|
|
1572 |
/// Process messages, modifying the $result if needed.
|
|
|
1573 |
process_environment_messages($element, $result);
|
|
|
1574 |
/// Process bypass, modifying $result if needed.
|
|
|
1575 |
process_environment_bypass($element, $result);
|
|
|
1576 |
/// Process restrict, modifying $result if needed.
|
|
|
1577 |
process_environment_restrict($element, $result);
|
|
|
1578 |
}
|
|
|
1579 |
|
|
|
1580 |
/**
|
|
|
1581 |
* Check if the current PHP version is greater than or equal to
|
|
|
1582 |
* PHP version 7.
|
|
|
1583 |
*
|
|
|
1584 |
* @param object $result an environment_results instance
|
|
|
1585 |
* @return bool result of version check
|
|
|
1586 |
*/
|
|
|
1587 |
function restrict_php_version_7(&$result) {
|
|
|
1588 |
return restrict_php_version($result, '7');
|
|
|
1589 |
}
|
|
|
1590 |
|
|
|
1591 |
/**
|
|
|
1592 |
* Check if the current PHP version is greater than or equal to an
|
|
|
1593 |
* unsupported version.
|
|
|
1594 |
*
|
|
|
1595 |
* @param object $result an environment_results instance
|
|
|
1596 |
* @param string $version the version of PHP that can't be used
|
|
|
1597 |
* @return bool result of version check
|
|
|
1598 |
*/
|
|
|
1599 |
function restrict_php_version(&$result, $version) {
|
|
|
1600 |
|
|
|
1601 |
// Get the current PHP version.
|
|
|
1602 |
$currentversion = normalize_version(phpversion());
|
|
|
1603 |
|
|
|
1604 |
// Confirm we're using a supported PHP version.
|
|
|
1605 |
if (version_compare($currentversion, $version, '<')) {
|
|
|
1606 |
// Everything is ok, the restriction doesn't apply.
|
|
|
1607 |
return false;
|
|
|
1608 |
} else {
|
|
|
1609 |
// We're using an unsupported PHP version, apply restriction.
|
|
|
1610 |
return true;
|
|
|
1611 |
}
|
|
|
1612 |
}
|
|
|
1613 |
|
|
|
1614 |
/**
|
|
|
1615 |
* Check if the current PHP version is greater than or equal to
|
|
|
1616 |
* PHP version 7.1.
|
|
|
1617 |
*
|
|
|
1618 |
* @param object $result an environment_results instance
|
|
|
1619 |
* @return bool result of version check
|
|
|
1620 |
*/
|
|
|
1621 |
function restrict_php_version_71(&$result) {
|
|
|
1622 |
return restrict_php_version($result, '7.1');
|
|
|
1623 |
}
|
|
|
1624 |
|
|
|
1625 |
/**
|
|
|
1626 |
* Check if the current PHP version is greater than or equal to
|
|
|
1627 |
* PHP version 7.2.
|
|
|
1628 |
*
|
|
|
1629 |
* @param object $result an environment_results instance
|
|
|
1630 |
* @return bool result of version check
|
|
|
1631 |
*/
|
|
|
1632 |
function restrict_php_version_72(&$result) {
|
|
|
1633 |
return restrict_php_version($result, '7.2');
|
|
|
1634 |
}
|
|
|
1635 |
|
|
|
1636 |
/**
|
|
|
1637 |
* Check if the current PHP version is greater than or equal to
|
|
|
1638 |
* PHP version 7.3.
|
|
|
1639 |
*
|
|
|
1640 |
* @param object $result an environment_results instance
|
|
|
1641 |
* @return bool result of version check
|
|
|
1642 |
*/
|
|
|
1643 |
function restrict_php_version_73(&$result) {
|
|
|
1644 |
return restrict_php_version($result, '7.3');
|
|
|
1645 |
}
|
|
|
1646 |
|
|
|
1647 |
/**
|
|
|
1648 |
* Check if the current PHP version is greater than or equal to
|
|
|
1649 |
* PHP version 7.4.
|
|
|
1650 |
*
|
|
|
1651 |
* @param object $result an environment_results instance
|
|
|
1652 |
* @return bool result of version check
|
|
|
1653 |
*/
|
|
|
1654 |
function restrict_php_version_74(&$result) {
|
|
|
1655 |
return restrict_php_version($result, '7.4');
|
|
|
1656 |
}
|
|
|
1657 |
|
|
|
1658 |
/**
|
|
|
1659 |
* Check if the current PHP version is greater than or equal to
|
|
|
1660 |
* PHP version 8.0
|
|
|
1661 |
*
|
|
|
1662 |
* @param object $result an environment_results instance
|
|
|
1663 |
* @return bool result of version check
|
|
|
1664 |
*/
|
|
|
1665 |
function restrict_php_version_80($result) {
|
|
|
1666 |
return restrict_php_version($result, '8.0');
|
|
|
1667 |
}
|
|
|
1668 |
|
|
|
1669 |
/**
|
|
|
1670 |
* Check if the current PHP version is greater than or equal to
|
|
|
1671 |
* PHP version 8.1
|
|
|
1672 |
*
|
|
|
1673 |
* @param object $result an environment_results instance
|
|
|
1674 |
* @return bool result of version check
|
|
|
1675 |
*/
|
|
|
1676 |
function restrict_php_version_81($result) {
|
|
|
1677 |
return restrict_php_version($result, '8.1');
|
|
|
1678 |
}
|
|
|
1679 |
|
|
|
1680 |
/**
|
|
|
1681 |
* Check if the current PHP version is greater than or equal to
|
|
|
1682 |
* PHP version 8.2
|
|
|
1683 |
*
|
|
|
1684 |
* @param object $result an environment_results instance
|
|
|
1685 |
* @return bool result of version check
|
|
|
1686 |
*/
|
|
|
1687 |
function restrict_php_version_82($result) {
|
|
|
1688 |
return restrict_php_version($result, '8.2');
|
|
|
1689 |
}
|
|
|
1690 |
|
|
|
1691 |
/**
|
|
|
1692 |
* Check if the current PHP version is greater than or equal to
|
|
|
1693 |
* PHP version 8.3
|
|
|
1694 |
*
|
|
|
1695 |
* @param object $result an environment_results instance
|
|
|
1696 |
* @return bool result of version check
|
|
|
1697 |
*/
|
|
|
1698 |
function restrict_php_version_83($result) {
|
|
|
1699 |
return restrict_php_version($result, '8.3');
|
|
|
1700 |
}
|