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<?php //$Id$
//This script is used to configure and execute the restore proccess.
//Define some globals for all the script
//Units used
require_once("../config.php");
require_once("../lib/xmlize.php");
require_once("../course/lib.php");
require_once("lib.php");
require_once("restorelib.php");
require_once("bb/restore_bb.php");
require_once("$CFG->libdir/blocklib.php");
require_once("$CFG->libdir/wiki_to_markdown.php" );
require_once("$CFG->libdir/adminlib.php");
//Optional
$id = optional_param( 'id' );
$file = optional_param( 'file' );
$cancel = optional_param( 'cancel' );
$launch = optional_param( 'launch' );
$to = optional_param( 'to' );
$method = optional_param( 'method' );
$backup_unique_code = optional_param('backup_unique_code',0,PARAM_INT);
//Check login
require_login();
/// With method=manual, we come from the FileManager so we delete all the backup/restore/import session structures
if ($method == 'manual') {
if (isset($SESSION->course_header)) {
unset ($SESSION->course_header);
}
if (isset($SESSION->info)) {
unset ($SESSION->info);
}
if (isset($SESSION->backupprefs)) {
unset ($SESSION->backupprefs);
}
if (isset($SESSION->restore)) {
unset ($SESSION->restore);
}
if (isset($SESSION->import_preferences)) {
unset ($SESSION->import_preferences);
}
}
if (!$to && isset($SESSION->restore->restoreto) && isset($SESSION->restore->importing) && isset($SESSION->restore->course_id)) {
$to = $SESSION->restore->course_id;
}
if (!empty($id)) {
require_login($id);
if (!has_capability('moodle/site:restore', get_context_instance(CONTEXT_COURSE, $id))) {
if (empty($to)) {
error("You need to be a teacher or admin user to use this page.", "$CFG->wwwroot/login/index.php");
} else {
if (!has_capability('moodle/site:restore', get_context_instance(CONTEXT_COURSE, $to))
&& !has_capability('moodle/site:import', get_context_instance(CONTEXT_COURSE, $to))) {
error("You need to be a teacher or admin user to use this page.", "$CFG->wwwroot/login/index.php");
}
}
}
} else {
if (!has_capability('moodle/site:restore', get_context_instance(CONTEXT_SYSTEM))) {
error("You need to be an admin user to use this page.", "$CFG->wwwroot/login/index.php");
}
}
//Check site
if (!$site = get_site()) {
error("Site not found!");
}
//Check necessary functions exists. Thanks to gregb@crowncollege.edu
backup_required_functions();
//Check backup_version
if ($file) {
$linkto = "restore.php?id=".$id."&amp;file=".$file;
} else {
$linkto = "restore.php";
}
upgrade_backup_db($linkto);
//Get strings
if (empty($to)) {
$strcourserestore = get_string("courserestore");
} else {
$strcourserestore = get_string("importdata");
}
$stradministration = get_string("administration");
//If no file has been selected from the FileManager, inform and end
$navlinks = array();
$navlinks[] = array('name' => $stradministration, 'link' => "$CFG->wwwroot/$CFG->admin/index.php", 'type' => 'misc');
$navlinks[] = array('name' => $strcourserestore, 'link' => null, 'type' => 'misc');
$navigation = build_navigation($navlinks);
if (!$file) {
print_header("$site->shortname: $strcourserestore", $site->fullname, $navigation);
print_heading(get_string("nofilesselected"));
print_continue("$CFG->wwwroot/$CFG->admin/index.php");
print_footer();
exit;
}
//If cancel has been selected, inform and end
if ($cancel) {
print_header("$site->shortname: $strcourserestore", $site->fullname, $navigation);
print_heading(get_string("restorecancelled"));
print_continue("$CFG->wwwroot/course/view.php?id=".$id);
print_footer();
exit;
}
//We are here, so we have a file.
//Get and check course
if (! $course = get_record("course", "id", $id)) {
error("Course ID was incorrect (can't find it)");
}
//Print header
if (has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM))) {
$navlinks[] = array('name' => basename($file), 'link' => null, 'type' => 'misc');
$navigation = build_navigation($navlinks);
print_header("$site->shortname: $strcourserestore", $site->fullname, $navigation);
} else {
$navlinks = array();
$navlinks[] = array('name' => $course->shortname, 'link' => "$CFG->wwwroot/course/view.php?id=$course->id", 'type' => 'misc');
$navlinks[] = array('name' => $strcourserestore, 'link' => null, 'type' => 'misc');
$navigation = build_navigation($navlinks);
print_header("$course->shortname: $strcourserestore", $course->fullname, $navigation);
}
//Print form
print_heading("$strcourserestore".((empty($to) ? ': '.basename($file) : '')));
print_simple_box_start('center');
//Adjust some php variables to the execution of this script
@ini_set("max_execution_time","3000");
if (empty($CFG->extramemorylimit)) {
raise_memory_limit('128M');
} else {
raise_memory_limit($CFG->extramemorylimit);
}
//Call the form, depending the step we are
if (!$launch) {
include_once("restore_precheck.html");
} else if ($launch == "form") {
if (!empty($SESSION->restore->importing)) {
// set up all the config stuff and skip asking the user about it.
restore_setup_for_check($SESSION->restore,$backup_unique_code);
require_sesskey();
include_once("restore_execute.html");
} else {
include_once("restore_form.html");
}
} else if ($launch == "check") {
include_once("restore_check.html");
//To avoid multiple restore executions...
$SESSION->cancontinue = true;
} else if ($launch == "execute") {
//Prevent multiple restore executions...
if (empty($SESSION->cancontinue)) {
error("Multiple restore execution not allowed!");
}
//Unset this for the future
unset($SESSION->cancontinue);
require_sesskey();
include_once("restore_execute.html");
}
print_simple_box_end();
//Print footer
print_footer();
?>
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