mirror of
https://github.com/moodle/moodle.git
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356 lines
15 KiB
HTML
356 lines
15 KiB
HTML
<?php //$Id$
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//This page receive all the restore_form data. Then, if existing course
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//has been selected, shows a list of courses to select one.
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//It cheks that the parammeter from restore_form are coherent.
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//It puts all the restore info in the session.
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//Finally, it calls restore_execute to do the hard work
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//Get objects from session
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global $DB, $OUTPUT;
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if ($SESSION) {
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$info = $SESSION->info;
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$course_header = $SESSION->course_header;
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if (isset($SESSION->restore)) {
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$restore = $SESSION->restore;
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}
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}
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//Detect if we are coming from the restore form
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$fromform = optional_param ('fromform', 0, PARAM_INT);
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if ($form1 = data_submitted()) {
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$currentcourseshortname = $course_header->course_shortname; //"store_ShortName";
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$course_header->course_shortname = !empty($form1->shortname) ? $form1->shortname : ''; //"update_ShortName";
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$course_header->course_fullname = !empty($form1->fullname) ? $form1->fullname : ''; //"update_FullName";
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/// Roll dates only if the backup course has a start date
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/// (some formats like main page, social..., haven't it and rolling dates
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/// from 0 produces crazy dates. MDL-10125 and we have passed some custom startyear/month/day. MDL-12922
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if ($course_header->course_startdate && !empty($form1->startyear)) {
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$form1->startdate = make_timestamp($form1->startyear, $form1->startmonth, $form1->startday);
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$currentcoursestartdate = $course_header->course_startdate;
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$coursestartdatedateoffset = $form1->startdate - $currentcoursestartdate;
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$restore->course_startdateoffset = $coursestartdatedateoffset; //change to restore
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// Only apply rolling of dates if differences are bigger than one day
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// that should solve current problems with daylight changes between
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// backup and restore
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if ($restore->course_startdateoffset < 24 * 60 * 60) {
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$coursestartdatedateoffset = 0;
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$restore->course_startdateoffset = 0;
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}
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} else { // don't roll if the course hasn't start date
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$coursestartdatedateoffset = 0;
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$restore->course_startdateoffset = 0;
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}
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}
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///Enforce SESSION->course_header rewrite (PHP 4.x needed because assigns are by value) MDL-8298
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$SESSION->course_header = $course_header;
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//If restore session info exists, but we are coming from the form
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//it has prioriry
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if (isset($restore) and !empty($fromform)) {
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unset($restore);
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}
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// check for session objects
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if (empty($info) or empty($course_header)) {
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print_error('sessionmissing', 'debug', '',
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'info and course_header');
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}
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//If the restore object doesn't exist, we are going
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//to check every variable individually and create it
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if (!isset($restore)) {
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//Check that we have all we need
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//backup_unique_code
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$backup_unique_code = required_param('backup_unique_code', PARAM_INT);
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//file
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$file = required_param('file', PARAM_PATH);
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//Checks for the required restoremod parameters
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if ($allmods = $DB->get_records("modules")) {
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foreach ($allmods as $mod) {
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$modname = $mod->name;
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$var = "restore_".$modname;
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$$var = optional_param( $var,0, PARAM_CLEAN);
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$var = "restore_user_info_".$modname;
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$$var = optional_param( $var,0, PARAM_CLEAN);
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$instances = !empty($info->mods[$mod->name]->instances) ? $info->mods[$mod->name]->instances : NULL;
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if ($instances === NULL) {
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continue;
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}
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foreach ($instances as $instance) {
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$var = 'restore_'.$modname.'_instance_'.$instance->id;
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$$var = optional_param($var,0,PARAM_INT);
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$var = 'restore_user_info_'.$modname.'_instance_'.$instance->id;
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$$var = optional_param($var,0,PARAM_INT);
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}
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}
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}
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//restoreto
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$restore_restoreto = required_param('restore_restoreto', PARAM_INT);
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//restore_metacourse
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$restore_metacourse = required_param('restore_metacourse', PARAM_INT);
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//restore_users
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$restore_users = required_param('restore_users', PARAM_INT);
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$restore_groups = required_param('restore_groups', PARAM_INT);
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//restore_logs
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$restore_logs = required_param('restore_logs', PARAM_INT);
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//restore_user_files
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$restore_user_files = required_param('restore_user_files', PARAM_INT);
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//restore_course_files
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$restore_course_files = required_param('restore_course_files', PARAM_INT);
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//restore_site_files
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$restore_site_files = required_param('restore_site_files', PARAM_INT);
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//restore_gradebook_history
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$restore_gradebook_history = required_param('restore_gradebook_history', PARAM_INT);
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//restore_messages
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$restore_messages = required_param('restore_messages', PARAM_INT);
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//restore_blogs
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$restore_blogs = required_param('restore_blogs', PARAM_INT);
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//Check we've selected a course to restore to
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$course_id = optional_param('course_id', 0, PARAM_INT);
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//We are here, having all we need !!
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//Create the restore object and put it in the session
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$restore->backup_unique_code = $backup_unique_code;
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$restore->file = $file;
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if ($allmods = $DB->get_records("modules")) {
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foreach ($allmods as $mod) {
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$modname = $mod->name;
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$var = "restore_".$modname;
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$restore->mods[$modname]->restore=$$var;
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$var = "restore_user_info_".$modname;
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$restore->mods[$modname]->userinfo=$$var;
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$instances = !empty($info->mods[$mod->name]->instances) ? $info->mods[$mod->name]->instances : NULL;
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if ($instances === NULL) {
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continue;
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}
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foreach ($instances as $instance) {
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$var = 'restore_'.$modname.'_instance_'.$instance->id;
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$restore->mods[$modname]->instances[$instance->id]->restore = $$var;
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$var = 'restore_user_info_'.$modname.'_instance_'.$instance->id;
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$restore->mods[$modname]->instances[$instance->id]->userinfo = $$var;
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}
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}
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}
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$restore->restoreto=$restore_restoreto;
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$restore->metacourse=$restore_metacourse;
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$restore->users=$restore_users;
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$restore->groups=$restore_groups;
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$restore->logs=$restore_logs;
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$restore->user_files=$restore_user_files;
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$restore->course_files=$restore_course_files;
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$restore->site_files=$restore_site_files;
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$restore->messages=$restore_messages;
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$restore->blogs=$restore_blogs;
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$restore->restore_gradebook_history=$restore_gradebook_history;
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$restore->course_id=$course_id;
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//add new vars to restore object
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$restore->course_startdateoffset = $coursestartdatedateoffset;
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$restore->course_shortname = $currentcourseshortname;
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// create role mappings, not sure all should be here
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if ($data2 = data_submitted()) {
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foreach ($data2 as $tempname=>$tempdata) {
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if (strstr($tempname, 'roles_')) {
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$temprole = explode('_', $tempname);
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$oldroleid = $temprole[1];
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$newroleid = $tempdata;
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$restore->rolesmapping[$oldroleid] = $newroleid;
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}
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}
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}
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// default role mapping for moodle < 1.7
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if ($defaultteacheredit = optional_param('defaultteacheredit', 0, PARAM_INT)) {
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$restore->rolesmapping['defaultteacheredit'] = $defaultteacheredit;
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}
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if ($defaultteacher = optional_param('defaultteacher', 0, PARAM_INT)) {
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$restore->rolesmapping['defaultteacher'] = $defaultteacher;
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}
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if ($defaultstudent = optional_param('defaultstudent', 0, PARAM_INT)) {
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$restore->rolesmapping['defaultstudent'] = $defaultstudent;
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}
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} else {
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//We have the object, so check if we have a new course_id
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//passed as parammeter
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$course_id = optional_param('course_id', 0, PARAM_INT);
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if ($course_id) {
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$restore->course_id=$course_id;
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}
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}
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// pass in the course category param
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$restore->restore_restorecatto = optional_param('restore_restorecatto', 0, PARAM_INT);
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//We have the object with data, put it in the session
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$SESSION->restore = $restore;
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//From here to the end of the script, only use the $restore object
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//Check login
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require_login();
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$loginurl = get_login_url();
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//Check admin
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if (!empty($id)) {
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if (!has_capability('moodle/site:restore', get_context_instance(CONTEXT_COURSE, $id))) {
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print_error("cannotuseadminadminorteacher", '', $loginurl);
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}
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} else {
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if (!has_capability('moodle/site:restore', get_context_instance(CONTEXT_SYSTEM))) {
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print_error("cannotuseadmin", '', $loginurl);
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}
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}
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//Check site
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if (!$site = get_site()) {
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print_error("siteisnotdefined", 'debug');
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}
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// Non-cached - get accessinfo
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if (isset($USER->access)) {
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$accessinfo = $USER->access;
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} else {
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$accessinfo = get_user_access_sitewide($USER->id);
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}
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// Get all the courses the user is able to restore to
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$mycourses = get_user_courses_bycap($USER->id, 'moodle/site:restore', $accessinfo, true, 'c.sortorder ASC', array('id', 'fullname', 'shortname', 'visible'));
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// Calculate if the user can create courses
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$cancreatecourses = user_can_create_courses();
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if (empty($restore->course_id) && ($restore->restoreto == RESTORETO_CURRENT_DELETING || $restore->restoreto == RESTORETO_CURRENT_ADDING)) {
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$restore->course_id = $id; /// Force restore to current course, disabling pick course from list
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}
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//Set restore->deleting as needed
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if ($restore->restoreto == RESTORETO_CURRENT_DELETING || $restore->restoreto == RESTORETO_EXISTING_DELETING) {
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$restore->deleting = true;
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} else {
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$restore->deleting = false;
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}
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//Now, select the course if needed
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if (empty($restore->course_id) && ($restore->restoreto == RESTORETO_EXISTING_DELETING || $restore->restoreto == RESTORETO_EXISTING_ADDING)) {
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if ($courses = $mycourses) {
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echo $OUTPUT->heading(get_string("choosecourse"));
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echo $OUTPUT->box_start();
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foreach ($courses as $course) {
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if (!has_capability('moodle/site:restore', get_context_instance(CONTEXT_COURSE, $course->id))) {
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continue;
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}
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if (empty($course->visible)) {
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$optdimmed = ' class="dimmed" ';
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} else {
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$optdimmed = '';
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}
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echo "<a $optdimmed href=\"restore.php?course_id=$course->id&launch=check&id=$id&file=$file\">".format_string($course->fullname).' ('.format_string($course->shortname).')</a><br />'."\n";
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}
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echo $OUTPUT->box_end();
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} else {
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echo $OUTPUT->heading(get_string("nocoursesyet"));
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echo $OUTPUT->continue_button("$CFG->wwwroot/$CFG->admin/index.php");
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}
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//Checks everything and execute restore
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} else if (($restore->restoreto != RESTORETO_NEW_COURSE and !empty($restore->course_id)) or ($restore->restoreto == RESTORETO_NEW_COURSE)) {
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//Final access control check
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if (empty($restore->course_id) and !$cancreatecourses) {
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print_error("cannotrestoreadminorcreator");
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} else if (!empty($restore->course_id) and !has_capability('moodle/site:restore', get_context_instance(CONTEXT_COURSE, $restore->course_id))) {
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print_error("cannotrestoreadminoredit");
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}
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$show_continue_button = true;
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$messages = array();
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//Check and warn if we are restoring over frontpage (SITEID) course. MDL-19163
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if ($restore->course_id == SITEID) {
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if ($restore->restoreto == RESTORETO_CURRENT_DELETING) {
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$messages[] = get_string ('restoretositedeleting');
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} else if ($restore->restoreto == RESTORETO_CURRENT_ADDING) {
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$messages[] = get_string ('restoretositeadding');
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}
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}
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//Check if we've selected any mod's user info and restore->users
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//is set to none. Change it to course and inform.
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if ($restore->users == 2) {
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$changed = false;
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$mods = $restore->mods;
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foreach ($mods as $mod) {
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if ($mod->userinfo) {
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$changed = true;
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}
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}
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//If we have selected user files or messages or blogs, then users must be restored too
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if ($restore->user_files || $restore->messages || $restore->blogs) {
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$changed = 1;
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}
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if ($changed) {
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$messages[] = get_string ("noteuserschangednonetocourse");
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$restore->users = 1;
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}
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}
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/// If restoring users and backup has mnet remote users and we are restoring to different site, forbid restore to non-admins. MDL-17009
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if ($restore->users != 2 && /// If restoring users
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!empty($info->mnet_remoteusers) && $info->mnet_remoteusers === 'true' && /// and backup contains remote users
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!backup_is_same_site($info)) { /// and backup is being restored to different site
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/// If user is admin (by 'moodle/user:create' cap), warn about conversion to local auth if missing mnet hosts and continue restore
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if (has_capability('moodle/user:create', get_context_instance(CONTEXT_SYSTEM))) {
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$messages[] = get_string('mnetrestore_extusers_admin', 'admin');
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$show_continue_button = true;
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/// else, notify about the thing (suggesting to ask admin) and stop restore
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} else {
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$messages[] = get_string('mnetrestore_extusers_noadmin', 'admin');
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$show_continue_button = false;
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}
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}
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//Save the restore session object
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$SESSION->restore = $restore;
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echo "<div style='text-align:center'>";
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/// Printout messages
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foreach ($messages as $message) {
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echo '<p>' . $message . '</p>';
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}
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/// Warning and button
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if ($show_continue_button) {
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//Print the continue button to execute the restore NOW !!!!
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//All is prepared !!!
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$hidden["launch"] = "execute";
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$hidden["file"] = $file;
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$hidden["id"] = $id;
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print_string('longtimewarning','admin');
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/// Restore button
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echo $OUTPUT->button(html_form::make_button("restore.php", $hidden, get_string("restorecoursenow")));
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}
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echo "</div>";
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//If we are here. Something must be wrong. Debug !!!
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} else {
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print_object($restore);
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print_object($info);
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print_object($course_header);
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print_error('error');
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}
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?>
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