コード例 #1
0
 protected function unzip()
 {
     // 一時ディレクトリにZIPを展開
     $temp_dir = $this->getTempDir() . '/';
     $temp_zip = $temp_dir . $this->zip_name;
     if (!backup_copy_file($this->zip_dir . '/' . $this->zip_name, $temp_zip)) {
         throw new SharingCart_Exception('Unzip failure - backup_copy_file("' . $this->zip_dir . '/' . $this->zip_name . '", "' . $temp_zip . '")');
     }
     if (!restore_unzip($temp_zip)) {
         throw new SharingCart_Exception('Unzip failure');
     }
     // blackboard の変換
     global $CFG;
     require_once $CFG->dirroot . '/backup/bb/restore_bb.php';
     if (!blackboard_convert($temp_dir)) {
         throw new SharingCart_Exception('Backboard convertion failure');
     }
 }
コード例 #2
0
ファイル: restorelib.php プロジェクト: kai707/ITSA-backup
/**
 * @param string $errorstr passed by reference, if silent is true,
 * errorstr will be populated and this function will return false rather than calling error() or notify()
 * @param boolean $noredirect (optional) if this is passed, this function will not print continue, or
 * redirect to the next step in the restore process, instead will return $backup_unique_code
 */
function restore_precheck($id, $file, &$errorstr, $noredirect = false)
{
    global $CFG, $SESSION;
    //Prepend dataroot to variable to have the absolute path
    $file = $CFG->dataroot . "/" . $file;
    if (!defined('RESTORE_SILENTLY')) {
        //Start the main table
        echo "<table cellpadding=\"5\">";
        echo "<tr><td>";
        //Start the mail ul
        echo "<ul>";
    }
    //Check the file exists
    if (!is_file($file)) {
        if (!defined('RESTORE_SILENTLY')) {
            error("File not exists ({$file})");
        } else {
            $errorstr = "File not exists ({$file})";
            return false;
        }
    }
    //Check the file name ends with .zip
    if (!substr($file, -4) == ".zip") {
        if (!defined('RESTORE_SILENTLY')) {
            error("File has an incorrect extension");
        } else {
            $errorstr = 'File has an incorrect extension';
            return false;
        }
    }
    //Now calculate the unique_code for this restore
    $backup_unique_code = time();
    //Now check and create the backup dir (if it doesn't exist)
    if (!defined('RESTORE_SILENTLY')) {
        echo "<li>" . get_string("creatingtemporarystructures") . '</li>';
    }
    $status = check_and_create_backup_dir($backup_unique_code);
    //Empty dir
    if ($status) {
        $status = clear_backup_dir($backup_unique_code);
    }
    //Now delete old data and directories under dataroot/temp/backup
    if ($status) {
        if (!defined('RESTORE_SILENTLY')) {
            echo "<li>" . get_string("deletingolddata") . '</li>';
        }
        $status = backup_delete_old_data();
    }
    //Now copy he zip file to dataroot/temp/backup/backup_unique_code
    if ($status) {
        if (!defined('RESTORE_SILENTLY')) {
            echo "<li>" . get_string("copyingzipfile") . '</li>';
        }
        if (!($status = backup_copy_file($file, $CFG->dataroot . "/temp/backup/" . $backup_unique_code . "/" . basename($file)))) {
            if (!defined('RESTORE_SILENTLY')) {
                notify("Error copying backup file. Invalid name or bad perms.");
            } else {
                $errorstr = "Error copying backup file. Invalid name or bad perms";
                return false;
            }
        }
    }
    //Now unzip the file
    if ($status) {
        if (!defined('RESTORE_SILENTLY')) {
            echo "<li>" . get_string("unzippingbackup") . '</li>';
        }
        if (!($status = restore_unzip($CFG->dataroot . "/temp/backup/" . $backup_unique_code . "/" . basename($file)))) {
            if (!defined('RESTORE_SILENTLY')) {
                notify("Error unzipping backup file. Invalid zip file.");
            } else {
                $errorstr = "Error unzipping backup file. Invalid zip file.";
                return false;
            }
        }
    }
    //Check for Blackboard backups and convert
    if ($status) {
        require_once "{$CFG->dirroot}/backup/bb/restore_bb.php";
        if (!defined('RESTORE_SILENTLY')) {
            echo "<li>" . get_string("checkingforbbexport") . '</li>';
        }
        $status = blackboard_convert($CFG->dataroot . "/temp/backup/" . $backup_unique_code);
    }
    //Now check for the moodle.xml file
    if ($status) {
        $xml_file = $CFG->dataroot . "/temp/backup/" . $backup_unique_code . "/moodle.xml";
        if (!defined('RESTORE_SILENTLY')) {
            echo "<li>" . get_string("checkingbackup") . '</li>';
        }
        if (!($status = restore_check_moodle_file($xml_file))) {
            if (!is_file($xml_file)) {
                $errorstr = 'Error checking backup file. moodle.xml not found at root level of zip file.';
            } else {
                $errorstr = 'Error checking backup file. moodle.xml is incorrect or corrupted.';
            }
            if (!defined('RESTORE_SILENTLY')) {
                notify($errorstr);
            } else {
                return false;
            }
        }
    }
    $info = "";
    $course_header = "";
    //Now read the info tag (all)
    if ($status) {
        if (!defined('RESTORE_SILENTLY')) {
            echo "<li>" . get_string("readinginfofrombackup") . '</li>';
        }
        //Reading info from file
        $info = restore_read_xml_info($xml_file);
        //Reading course_header from file
        $course_header = restore_read_xml_course_header($xml_file);
        if (!is_object($course_header)) {
            // ensure we fail if there is no course header
            $course_header = false;
        }
    }
    if (!defined('RESTORE_SILENTLY')) {
        //End the main ul
        echo "</ul>\n";
        //End the main table
        echo "</td></tr>";
        echo "</table>";
    }
    //We compare Moodle's versions
    if ($CFG->version < $info->backup_moodle_version && $status) {
        $message = new object();
        $message->serverversion = $CFG->version;
        $message->serverrelease = $CFG->release;
        $message->backupversion = $info->backup_moodle_version;
        $message->backuprelease = $info->backup_moodle_release;
        print_simple_box(get_string('noticenewerbackup', '', $message), "center", "70%", '', "20", "noticebox");
    }
    //Now we print in other table, the backup and the course it contains info
    if ($info and $course_header and $status) {
        //First, the course info
        if (!defined('RESTORE_SILENTLY')) {
            $status = restore_print_course_header($course_header);
        }
        //Now, the backup info
        if ($status) {
            if (!defined('RESTORE_SILENTLY')) {
                $status = restore_print_info($info);
            }
        }
    }
    //Save course header and info into php session
    if ($status) {
        $SESSION->info = $info;
        $SESSION->course_header = $course_header;
    }
    //Finally, a little form to continue
    //with some hidden fields
    if ($status) {
        if (!defined('RESTORE_SILENTLY')) {
            echo "<br /><div style='text-align:center'>";
            $hidden["backup_unique_code"] = $backup_unique_code;
            $hidden["launch"] = "form";
            $hidden["file"] = $file;
            $hidden["id"] = $id;
            print_single_button("restore.php", $hidden, get_string("continue"), "post");
            echo "</div>";
        } else {
            if (empty($noredirect)) {
                // in 2.0 we must not print "Continue" redirect link here, because ppl click on it and the execution gets interrupted on next page!!!
                // imo RESTORE_SILENTLY is an ugly hack :-P
                $sillystr = get_string('donotclickcontinue');
                redirect($CFG->wwwroot . '/backup/restore.php?backup_unique_code=' . $backup_unique_code . '&launch=form&file=' . $file . '&id=' . $id, $sillystr, 0);
            } else {
                return $backup_unique_code;
            }
        }
    }
    if (!$status) {
        if (!defined('RESTORE_SILENTLY')) {
            error("An error has ocurred");
        } else {
            $errorstr = "An error has occured";
            // helpful! :P
            return false;
        }
    }
    return true;
}
コード例 #3
0
 public static function restoreCourse($preferences, $session)
 {
     global $Out;
     // the initial set of preferences should be enough to get the restore started.
     // once in progress the restore will obtain the preferences from the backup file
     // itself
     if (!isset($preferences)) {
         return null;
     }
     // Assumes the backup file is in the course data directory and the
     // preferences are in the backup file itself.
     global $CFG;
     // for large files uncomment following code
     //@ini_set("max_execution_time","3000");
     //raise_memory_limit("192M");
     $file = self::createBackupFilePath($preferences->course_id);
     $file .= '/' . $preferences->backup_name;
     //path to file
     //Check the file exists
     if (!is_file($file)) {
         return false;
     }
     //Check the file name ends with .zip
     if (!substr($file, -4) == ".zip") {
         return false;
     }
     //Now calculate the unique_code for this restore
     $backup_unique_code = $preferences->backup_unique_code;
     //Now check and create the backup dir (if it doesn't exist)
     $status = check_and_create_backup_dir($backup_unique_code);
     //Empty dir
     if ($status) {
         $status = clear_backup_dir($backup_unique_code);
     }
     //Now delete old data and directories under dataroot/temp/backup
     if ($status) {
         $status = backup_delete_old_data();
     }
     $tempBackupPath = synch_backup_controller::createTempBackupPath($backup_unique_code);
     //Now copy the zip file to dataroot/temp/backup/backup_unique_code
     if ($status) {
         if (!($status = backup_copy_file($file, $tempBackupPath . "/" . basename($file)))) {
             // There has been a problem. Invalid name or bad perms
             return false;
         }
     }
     //Now unzip the file
     if ($status) {
         if (!($status = restore_unzip($tempBackupPath . "/" . basename($file)))) {
             // error: Invalid zip file
             return false;
         }
     }
     //Check for Blackboard backups and convert
     if ($status) {
         require_once "{$CFG->dirroot}/backup/bb/restore_bb.php";
         $status = blackboard_convert($tempBackupPath);
     }
     // backup file has now been unpacked. Retrieve the serialized preferences
     $preferencesPath = $tempBackupPath . '/' . self::getPreferencesFileName();
     $preferences = FileSystem::unSerializeFromFile($preferencesPath);
     // Now we have the preferences from the backup we need to tailor it to our current needs
     // should we be updating an existing item or creating one.
     $dataItemId = SynchContentHierarchy::generateDataItemId($preferences->course_id, synch_view_controller::$TYPE_ID_COURSE);
     global $SynchManager, $SynchServerController;
     $itemExists = $SynchManager->getSessionItemExistsByServerId($SynchServerController->getServerId(), $session);
     if (isset($itemExists) && is_array($itemExists) && in_array($dataItemId, $itemExists)) {
         $preferences->restoreto = 1;
         $preferences->deleting = 1;
     } else {
         $preferences->restoreto = 2;
     }
     //Now check for the moodle.xml file
     if ($status) {
         $xml_file = $tempBackupPath . "/moodle.xml";
         if (!($status = restore_check_moodle_file($xml_file))) {
             if (!is_file($xml_file)) {
                 //Error checking backup file. moodle.xml not found at root level of zip file
                 return false;
             } else {
                 //Error checking backup file. moodle.xml is incorrect or corrupted.
                 return false;
             }
         }
     }
     //unpack backup file
     //read contents
     //Reading info from file
     $info = restore_read_xml_info($xml_file);
     //Reading course_header from file
     $courseHeader = restore_read_xml_course_header($xml_file);
     //Save course header and info into php session
     if ($status) {
         //$SESSION->info = $info;
         //$SESSION->course_header = $course_header;
     }
     global $restore;
     $restore = $preferences;
     $message = null;
     $restoreSuccess = restore_execute($preferences, $info, $courseHeader, $message);
     return $restoreSuccess;
 }