mirror of
https://github.com/moodle/moodle.git
synced 2025-02-12 11:32:04 +01:00
411 lines
17 KiB
PHP
Executable File
411 lines
17 KiB
PHP
Executable File
<?php
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///This file only manages the installation of 1.6 lang packs.
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///in downloads.moodle.org, they are store in separate directory /lang16
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///in local server, they are stored in $CFG->dataroot/lang
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///This helps to avoid confusion.
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define('INSTALLATION_OF_SELECTED_LANG', 2);
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define('CHANGE_SITE_LANG', 3);
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define('DELETION_OF_SELECTED_LANG', 4);
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define('UPDATE_ALL_LANG', 5);
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include('../config.php');
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$mode = optional_param('mode',0,PARAM_INT); //phase
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$pack = optional_param('pack','',PARAM_NOTAGS); //pack to install
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$displaylang = $pack;
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$uninstalllang = optional_param('uninstalllang','',PARAM_NOTAGS);
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require_login();
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if (!isadmin()) {
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error('You must be an admin');
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}
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if (!$site = get_site()) {
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error("Site not defined!");
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}
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$strlang = get_string('langimport','admin');
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$stradministration = get_string("administration");
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$strconfiguration = get_string("configuration");
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$strlanguage = get_string("language");
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$strthislanguage = get_string("thislanguage");
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$title = $strlang;
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print_header("$site->shortname: $title", "$site->fullname",
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"<a href=\"index.php\">$stradministration</a> -> ".
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"<a href=\"configure.php\">$strconfiguration</a> -> ".
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"<a href=\"lang.php\">$strlanguage</a> -> $strlang",
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'', '', true, '');
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print_heading('');
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switch ($mode){
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case INSTALLATION_OF_SELECTED_LANG: ///installation of selected language pack
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if (confirm_sesskey()) {
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if (optional_param('confirm')) {
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@mkdir ($CFG->dataroot.'/temp/'); //make it in case it's a fresh install, it might not be there
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@mkdir ($CFG->dataroot.'/lang/');
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require_once($CFG->libdir.'/componentlib.class.php');
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if ($cd = new component_installer('http://download.moodle.org', 'lang16',
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$pack.'.zip', 'languages.md5', 'lang')) {
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$status = $cd->install(); //returns ERROR | UPTODATE | INSTALLED
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switch ($status) {
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case ERROR:
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if ($cd->get_error() == 'remotedownloadnotallowed') {
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$a = new stdClass();
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$a->url = 'http://download.moodle.org/lang16/'.$pack.'zip';
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$a->dest= $CFG->dataroot.'/lang';
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error(get_string($cd->get_error(), 'error', $a));
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} else {
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error(get_string($cd->get_error(), 'error'));
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}
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break;
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case UPTODATE:
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break;
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case INSTALLED:
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print_string('langpackupdated','admin',$pack);
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print_continue('langimport.php');
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break;
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default:
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//We shouldn't reach this point
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}
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} else {
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//We shouldn't reach this point
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}
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} else { //print confirm box, no confirmation yet
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if (confirm_sesskey()) {
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print_simple_box_start('center','100%');
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echo '<div align="center">';
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echo '<form name="langform" action="langimport.php?mode=2" method="POST">';
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echo '<input name="pack" type="hidden" value="'.$pack.'" />';
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echo '<input name="displaylang" type="hidden" value="'.$displaylang.'" />';
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echo '<input name="confirm" type="hidden" value="1" />';
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echo '<input name="sesskey" type="hidden" value="'.sesskey().'" />';
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print_heading(get_string('confirminstall','admin',$displaylang),2);
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echo '<input type="submit" value="'.get_string('ok').'"/>';
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echo ' <input type="button" value="'.get_string('cancel').'" onclick="javascript:history.go(-1)" />';
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echo '</form>';
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echo '</div>';
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print_simple_box_end();
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}
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}
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}
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break;
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case CHANGE_SITE_LANG: //change site language
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if (confirm_sesskey) {
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$langconfig = get_record('config','name','lang');
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$sitelang = required_param('sitelangconfig',PARAM_NOTAGS);
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$langconfig->value = $sitelang;
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if (update_record('config',$langconfig)){
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echo '<div align="center">';
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notify (get_string('sitelangchanged','admin'));
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echo '<form action="langimport.php" method="POST">';
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echo '<input type="submit" value="'.get_string('ok').'" />';
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echo '</form></div>';
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} else {
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error ('can not update site language');
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}
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}
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break;
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case DELETION_OF_SELECTED_LANG: //delete a directory(ies) containing a lang pack completely
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if (!optional_param('confirm') && confirm_sesskey()) {
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print_simple_box_start('center','100%');
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echo '<div align="center">';
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echo '<form name="langform" action="langimport.php?mode=4" method="POST">';
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echo '<input name="uninstalllang" type="hidden" value="'.$uninstalllang.'" />';
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echo '<input name="confirm" type="hidden" value="1" />';
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print_heading(get_string('uninstallconfirm','admin',$uninstalllang),2);
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echo '<input name="sesskey" type="hidden" value="'.sesskey().'" />';
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echo '<input type="submit" value="'.get_string('uninstall','admin').'"/>';
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echo ' <input type="button" value="'.get_string('cancel').'" onclick="javascript:history.go(-1)" />';
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echo '</form>';
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echo '</div>';
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print_simple_box_end();
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}
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else if (confirm_sesskey()) {
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$dest1 = $CFG->dataroot.'/lang/'.$uninstalllang;
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$dest2 = $CFG->dirroot.'/lang/'.$uninstalllang;
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$rm1 = false;
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$rm2 = false;
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if (file_exists($dest1)){
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$rm1 = remove_dir($dest1);
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}
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if (file_exists($dest2)){
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$rm2 = remove_dir($dest2);
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}
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//delete the direcotries
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if ($rm1 or $rm2) {
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echo '<div align="center">';
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print_string('langpackremoved','admin');
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echo '<form action="langimport.php" method="POST">';
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echo '<input type="submit" value="'.get_string('ok').'" />';
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echo '</form></div>';
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} else { //nothing deleted, possibly due to permission error
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error ('An error has occurred, language pack is not completely uninstalled, please check file permission');
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}
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}
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break;
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case UPDATE_ALL_LANG: //1 click update for all updatable language packs
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//0th pull a list from download.moodle.org,
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//key = langname, value = md5
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$source = 'http://download.moodle.org/lang16/languages.md5';
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$md5array = array();
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$update = 0; //any packs updated?
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$alllangs = array_keys(get_list_of_languages());
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$lang16 = array(); //all the Moodle 1.6 unicode lang packs (updated and not updated)
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$packs = array(); //all the packs that needs updating
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if ($fp = fopen($source, 'r')) { /// attempt to get the list from Moodle.org.
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while(!feof ($fp)) {
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$availablelangs[] = split(',', fgets($fp,1024));
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}
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} else {
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error('can not fopen!');
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}
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//and build an associative array
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foreach ($availablelangs as $alang) {
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$md5array[$alang[0]] = $alang[1];
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}
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//filtering out non-16 packs
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foreach ($alllangs as $clang) {
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$dest1 = $CFG->dataroot.'/lang/'.$clang;
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$dest2 = $CFG->dirroot.'/lang/'.$clang;
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if (file_exists($dest1.'/langconfig.php') || file_exists($dest2.'/langconfig.php')){
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$lang16[] = $clang;
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}
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}
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//then filter out packs that have the same md5 key
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foreach ($lang16 as $clang) {
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if (!is_installed_lang($clang, $md5array[$clang])){
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$packs[] = $clang;
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}
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}
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@mkdir ($CFG->dataroot.'/temp/');
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@mkdir ($CFG->dataroot.'/lang/');
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foreach ($packs as $pack){ //for each of the remaining in the list, we
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//1. delete old director(ies)
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$dest1 = $CFG->dataroot.'/lang/'.$pack;
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$dest2 = $CFG->dirroot.'/lang/'.$pack;
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$rm1 = false;
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$rm2 = false;
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if (file_exists($dest1)) {
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$rm1 = remove_dir($dest1);
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}
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if (file_exists($dest2)) {
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$rm2 = remove_dir($dest2);
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}
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if (!($rm1 || $rm2)) {
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error ('could not delete old directory, update failed');
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}
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//2. copy & unzip into new
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require_once($CFG->libdir.'/componentlib.class.php');
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if ($cd = new component_installer('http://download.moodle.org', 'lang16',
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$pack.'.zip', 'languages.md5', 'lang')) {
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$status = $cd->install(); //returns ERROR | UPTODATE | INSTALLED
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switch ($status) {
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case ERROR:
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if ($cd->get_error() == 'remotedownloadnotallowed') {
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$a = new stdClass();
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$a->url = 'http://download.moodle.org/lang16/'.$pack.'zip';
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$a->dest= $CFG->dataroot.'/lang';
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error(get_string($cd->get_error(), 'error', $a));
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} else {
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error(get_string($cd->get_error(), 'error'));
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}
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break;
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case UPTODATE:
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//Print error string or whatever you want to do
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break;
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case INSTALLED:
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print_string('langpackupdated','admin',$pack);
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$updated = true;
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//Print/do whatever you want
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break;
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default:
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}
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} else {
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}
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}
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echo '<div align="center"><form action="langimport.php" method="POST">';
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if ($updated) {
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notify(get_string('langupdatecomplete','admin'));
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} else {
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notify(get_string('nolangupdateneeded','admin'));
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}
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echo '<input type="submit" value="'.get_string('ok').'" />';
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echo '</form></div>';
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break;
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default: //display choice mode
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$source = 'http://download.moodle.org/lang16/languages.md5';
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$remote = 0; //flag for reading from remote or local
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if ($fp = fopen($source, 'r')){ /// attempt to get the list from Moodle.org.
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while(!feof ($fp)) {
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$availablelangs[] = split(',', fgets($fp,1024));
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}
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$remote = 1; //can read from download.moodle.org
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} else { /// fopen failed, we find local copy of list.
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$availablelangs = get_local_list_of_languages();
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}
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if (!$remote) {
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print_simple_box_start('center','60%');
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echo '<div align="center">';
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print_string('remotelangnotavailable','admin',$CFG->dataroot.'/lang/');
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echo '</div>';
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print_simple_box_end();
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}
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print_simple_box_start('center','60%');
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echo '<table width="100%"><tr><td align="center">';
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echo get_string('installedlangs','admin');
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echo '</td><td align="center">';
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echo get_string('availablelangs','admin');
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echo '</td></tr>';
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echo '<tr><td align="center" valign="top">';
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echo '<form name="uninstallform" action="langimport.php?mode=4" method="POST">';
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echo '<input name="sesskey" type="hidden" value="'.sesskey().'" />';
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$installedlangs = get_list_of_languages();
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/// display installed langs here
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echo '<select name="uninstalllang" size="15">';
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foreach ($installedlangs as $clang =>$ilang){
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echo '<option value="'.$clang.'">'.$ilang.'</option>';
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}
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echo '</select>';
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echo '<br /><input type="submit" value="'.get_string('uninstall','admin').'" />';
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echo '</form>';
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echo '<form name="updateform" action="langimport.php?mode=5" method="POST">';
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echo '<br /><input type="submit" value="'.get_string('updatelangs','admin').'" />';
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echo '</form>';
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echo '<p />';
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/// Display option to change site language
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print_string('changesitelang','admin');
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$sitelanguage = get_record('config','name','lang');
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echo '<form name="changelangform" action="langimport.php?mode=3" method="POST">';
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echo '<select name="sitelangconfig">';
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foreach ($installedlangs as $clang =>$ilang) {
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if ($clang == $sitelanguage->value){
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echo '<option value="'.$clang.'" selected="selected">'.$ilang.'</option>';
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} else {
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echo '<option value="'.$clang.'">'.$ilang.'</option>';
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}
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}
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echo '</select>';
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echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
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echo '<input type="submit" value="'.get_string('change','admin').'" />';
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echo '</form>';
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/// display to be installed langs here
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echo '</td><td align="center" valign="top">';
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echo '<table><tr><td valign="top" align="center">'; //availabe langs table
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$empty = 1; //something to pring
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/// if this language pack is not already installed, then we allow installation
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echo '<form name="installform" method="POST" action="langimport.php?mode=2">';
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echo '<input name="sesskey" type="hidden" value="'.sesskey().'" />';
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if ($remote) {
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echo '<select name="pack" size="15">';
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}
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foreach ($availablelangs as $alang) {
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if ($remote){
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if (!is_installed_lang($alang[0], $alang[1])){ //if not already installed
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echo '<option value="'.$alang[0].'">'.$alang[2].' ('.$alang[0].')</option>';
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}
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} else { //print list in local format, and instruction to install
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echo '<tr><td>'.$alang[2].'</td><td><a href="http://download.moodle.org/lang16/'.$alang[0].'.zip">'.get_string('download','admin').'</a>';
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}
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$empty = 0;
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}
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if ($remote) {
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echo '</select>';
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echo '<br/ ><input type="submit" value="'.get_string('install','admin').'">';
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}
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echo '</form>';
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if ($empty) {
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echo '<tr><td align="center">';
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print_string('nolanguagetodownload','admin');
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echo '</td></tr>';
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}
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echo '</td><tr></table>'; //close available langs table
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echo '<form>';
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echo '</td></tr></table>';
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print_simple_box_end();
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break;
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} //close of main switch
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print_footer();
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/* returns a list of available language packs from a
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* local copy shipped with standard moodle distro
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* this is for site that can't perform fopen
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* @return array
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*/
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function get_local_list_of_languages() {
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global $CFG;
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$source = $CFG->wwwroot.'/lib/languages.md5';
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$availablelangs = array();
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if ($fp = fopen($source, 'r')){
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while(!feof ($fp)) {
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$availablelangs[] = split(',', fgets($fp,1024));
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}
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}
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return $availablelangs;
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}
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/* checks the md5 of the zip file, grabbed from download.moodle.org,
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* against the md5 of the local language file from last update
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* @param string $lang
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* @param string $md5check
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* @return bool
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*/
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function is_installed_lang($lang, $md5check) {
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global $CFG;
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$md5file = $CFG->dataroot.'/lang/'.$lang.'/'.$lang.'.md5';
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if (file_exists($md5file)){
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return (file_get_contents($md5file) == $md5check);
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}
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return false;
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}
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?>
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