Initial concept for user import/export

Implement CLI user import/export in a well formatted CSV file. Name and
email address are the only supported fields at the moment.

include/class.user.php

@@ -394,7 +394,7 @@ class PersonsName {
 
     function __toString() {
         global $cfg;
-        $format = $cfg->getDefaultNameFormat();
+        $format = $cfg ? $cfg->getDefaultNameFormat() : 'original';
         list(,$func) = static::$formats[$format];
         if (!$func) $func = 'getFull';
         return call_user_func(array($this, $func));

setup/cli/modules/user.php

+<?php
+require_once dirname(__file__) . "/class.module.php";
+require_once dirname(__file__) . "/../cli.inc.php";
+
+class UserManager extends Module {
+    var $prologue = 'CLI user manager';
+
+    var $arguments = array(
+        'action' => array(
+            'help' => 'Action to be performed',
+            'options' => array(
+                'import' => 'Import users to the system',
+                'export' => 'Export users from the system',
+            ),
+        ),
+    );
+
+
+    var $options = array(
+        'file' => array('-f', '--file', 'metavar'=>'path',
+            'help' => 'File or stream to process'),
+        );
+
+    var $stream;
+
+    function run($args, $options) {
+
+        Bootstrap::connect();
+        osTicket::start();
+
+        switch ($args['action']) {
+            case 'import':
+                if (!$options['file'])
+                    $this->fail('CSV file to import users from is required!');
+                elseif (!($this->stream = fopen($options['file'], 'rb')))
+                    $this->fail("Unable to open input file [{$options['file']}]");
+
+                while (($data = fgetcsv($this->stream, 1000, ",")) !== FALSE)
+                    if (!User::fromVars(array('name' => $data[0], 'email' => $data[1])))
+                        $this->stderr->write('Unable to import user: '.print_r($data, true));
+                break;
+            case 'export':
+                $stream = $options['file'] ?: 'php://stdout';
+                if (!($this->stream = fopen($stream, 'c')))
+                    $this->fail("Unable to open output file [{$options['file']}]");
+
+                foreach (User::objects() as $user)
+                    fputcsv($this->stream,
+                            array((string) $user->getName(), $user->getEmail()));
+                break;
+            default:
+                $this->stderr->write('Unknown action!');
+        }
+        @fclose($this->stream);
+    }
+}
+Module::register('user', 'UserManager');
+?>