mirror of
https://github.com/moodle/moodle.git
synced 2025-01-19 06:18:28 +01:00
122 lines
3.6 KiB
PHP
122 lines
3.6 KiB
PHP
<?php // $Id$
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// These functions are required very early in the Moodle
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// setup process, before any of the main libraries are
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// loaded.
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/**
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* Initializes our performance info early.
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*
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* Pairs up with get_performance_info() which is actually
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* in moodlelib.php. This function is here so that we can
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* call it before all the libs are pulled in.
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*
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* @uses $PERF
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*/
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function init_performance_info() {
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global $PERF;
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$PERF = new Object;
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$PERF->dbqueries = 0;
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$PERF->logwrites = 0;
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if (function_exists('microtime')) {
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$PERF->starttime = microtime();
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}
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if (function_exists('memory_get_usage')) {
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$PERF->startmemory = memory_get_usage();
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}
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if (function_exists('posix_times')) {
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$PERF->startposixtimes = posix_times();
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}
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}
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/**
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* Create a directory.
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*
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* @uses $CFG
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* @param string $directory a string of directory names under $CFG->dataroot eg stuff/assignment/1
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* param bool $shownotices If true then notification messages will be printed out on error.
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* @return string|false Returns full path to directory if successful, false if not
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*/
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function make_upload_directory($directory, $shownotices=true) {
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global $CFG;
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$currdir = $CFG->dataroot;
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umask(0000);
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if (!file_exists($currdir)) {
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if (! mkdir($currdir, $CFG->directorypermissions)) {
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if ($shownotices) {
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echo '<div class="notifyproblem" align="center">ERROR: You need to create the directory '.
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$currdir .' with web server write access</div>'."<br />\n";
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}
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return false;
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}
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if ($handle = fopen($currdir.'/.htaccess', 'w')) { // For safety
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@fwrite($handle, "deny from all\r\n");
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@fclose($handle);
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}
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}
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$dirarray = explode('/', $directory);
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foreach ($dirarray as $dir) {
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$currdir = $currdir .'/'. $dir;
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if (! file_exists($currdir)) {
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if (! mkdir($currdir, $CFG->directorypermissions)) {
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if ($shownotices) {
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echo '<div class="notifyproblem" align="center">ERROR: Could not find or create a directory ('.
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$currdir .')</div>'."<br />\n";
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}
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return false;
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}
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//@chmod($currdir, $CFG->directorypermissions); // Just in case mkdir didn't do it
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}
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}
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return $currdir;
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}
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/**
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* This function will introspect inside DB to detect it it's a UTF-8 DB or no
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* Used from setup.php to set correctly "set names" when the installation
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* process is performed without the initial and beautiful installer
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*/
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function setup_is_unicodedb() {
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global $CFG, $db;
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$unicodedb = false;
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switch ($CFG->dbtype) {
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case 'mysql':
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/// Get MySQL character_set_database value
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$rs = $db->Execute("SHOW VARIABLES LIKE 'character_set_database'");
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if ($rs && $rs->RecordCount() > 0) {
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$records = $rs->GetAssoc(true);
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$encoding = $records['character_set_database']['Value'];
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if (strtoupper($encoding) == 'UTF8') {
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$unicodedb = true;
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}
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}
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break;
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case 'postgres7':
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/// Get PostgreSQL server_encoding value
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$rs = $db->Execute("SHOW server_encoding");
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if ($rs && $rs->RecordCount() > 0) {
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$encoding = $rs->fields['server_encoding'];
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if (strtoupper($encoding) == 'UNICODE' || strtoupper($encoding) == 'UTF8') {
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$unicodedb = true;
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}
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}
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break;
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}
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return $unicodedb;
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}
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?>
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