wdsconnection.module

<?php

// $Id$
/**
 * @file
 * WDSConnection Module.
 * 
 * This File and the whole module is part of a proof-of-concept
 * creating a manageable system that would connect a Drupal Website
 * and deploy completely configurable systems through the subnet,
 * with the ease of buying something inside an e-shop.
 */
/* * *****************************************************************************
 * Hook Functions (Drupal)
 * **************************************************************************** */

/**
 * Display help and module information
 * For now there is not any working help for this module
 * this is a stub.
 * @param path which path of the site we're displaying help
 * @param arg array that holds the current path as would be returned from arg() function
 * @return help text for the path
 */
function wdsconnection_help($path, $arg) {
    switch ($path) {
        case "admin/help/wdsconnection":
            $output = '<p>' . t("wdsconnection is a module that connects the WDS system on this server with the Drupal Site") . '</p>';
            break;
    }
    return $output;
}

/**
 * Valid permissions for this module
 * @return array An array of valid permissions for the wdsconnection module
 */
function wdsconnection_perm() {
    return array('administer wdsconnection', 'access wdsconnection content');
}

/**
 * Menu for this module
 * @return array An array with this module's settings.
 */
function wdsconnection_menu() {
    $items = array();

    //Link to the wdsconnection admin page:

    $items['admin/settings/wdsconnection'] = array(
        'title' => 'WDS Connection Module',
        'description' => 'Administer WDS Module',
        'page callback' => 'wdsconnection_message',
        'access arguments' => array('administer wdsconnection'),
        'type' => MENU_NORMAL_ITEM,
    );

    return $items;
}

/**
 * Implementing hook_user in order to acquire and store the passwords
 * in database
 */
function wdsconnection_form_alter(&$form, $form_state, $form_id) {
    if ($form_id == 'user_register') {
        // add additional submit handler
        $form['#submit'][] = 'wdsconnection_aftersubmit'; //additional submit handler
        //this funcation will be executed after drupal executes default submit handler
        // so the user is added and you have the user info in $user object
    }
}

function wdsconnection_aftersubmit($form, &$form_state) {
    global $user; //user is just added and so we have the user data
    drupal_set_message($user->name);
}

/**
 * Command line command for creating a new user
 * implementing the hook_order function
 * and adding him to the appropriate group
 * @param op,arg1,arg2
 * @return array in case of failure
 */
function wdsconnection_order($op, &$arg1, $arg2) {
    global $user;
    if ($op == 'submit') {
        //aes password decryption
        $pass = aes_get_password($user->uid, $decrypt = true);
        //command to add a user to the AD-DS
        $command = 'net user ' . $user->name . ' ' . $pass . ' /add';
        $out = shell_exec($command);
        if (substr_count($out, 'successfully') == '1') {
            //output of the command 
            drupal_set_message($out);
            drupal_set_message('The user ' . $user->name .
                    'is corectly stored in AD DS of our server.<br> WRITE DOWN YOUR PASSWORD AND USERNAME TO ENTER AT THE INSTALLATION.');
            //we are stopping the service to reduce server load
            //wdsconnection_service_stop();
        } else {
            return array(
                array(
                    'pass' => FALSE,
                    'message' => t('User either exists, or there is another problem.<br>Try setting up a more difficult password.')));
        }
    }
}

/**
 * Function for moving the uploaded image to the d:\images\images
 * or the uploaded drivers to the package manager
 * and running the wdsutil for adding the new image to the system
 * or the MDT for integrating the drivers, and/or other software
 * by implementing the hook_insert function
 */
function wdsconnection_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
    //get the type of the node
    //drupal_set_message($node->type);
    if (($op == "insert")) {
        switch ($node->type) {

            case 'oses';
                //configure the WDS server with the operating system
                $command = "wdsutil /add-image /ImageFile:\"C:\wamp\www\\recoveryserver\sites\default\files\\\"" .
                        substr($node->field_iso[0]['filepath'], 20) .
                        "\" /Server:yourServer /ImageType:Install /ImageGroup:" .
                        $node->iimagegroup . " /SingleImage:" . $node->model . " /Name:\"" . $node->title .
                        "\"/Description:\"" . $node->body . "\" /Filename:\"" . substr($node->field_iso[0]['filepath'], 20) . "\"";
                //run as service for the x64 systems
                //wdsconnection_service_start($command);
                $out = shell_exec($command);
                break;
            case 'drivers';
                //configure the Drivers and Other software with the current tool (MDT-wds)
                if (substr($node->field_upload[0]['filepath'], -3) == 'zip') {
                    //add-load drivers to current setup
                }
                if (substr($node->field_upload[0]['filepath'], -3) == 'rar') {
                    //add-load drivers to a current setup
                }
                if (substr($node->field_upload[0]['filepath'], -3) == 'exe') {
                    //add to a current setup
                }
                break;
            case 'livecds';
                //configure the WDS server with the current Live CD
                if (substr($node->field_bootiso[0]['filepath'], -3) == 'wim') {
                    $boot_command = "wdsutil /add-image /ImageFile:\"C:\wamp\www\\recoveryserver\sites\default\\files\\" .
                            substr($node->field_bootiso[0]['filepath'], 20) .
                            "\" /Server:yourServer /ImageType:Boot /Name:\"" .
                            $node->title . "\" /Description:\"" . $node->body . "\" /Filename:" . $node->model . ".wim";
                    //run as service for the x64 systems
                    wdsconnection_service_start($boot_command);
                    $out = shell_exec($boot_command);
                    drupal_set_message($out);
                    drupal_set_message($boot_command);
                };
                if (substr($node->field_iso[0]['filepath'], -3) == 'iso') {
                    //mount the iso file and extract the OS
                };
                break;
            default;
                break;
        }
    }
}

/* Because this system does not support calling x64 applications from
 * x32 handlers we add a service named fola which executes the
 * command as a batch file (named fola as well)
 * and we start it
 * @file input the command
 * @return nothing
 */

function wdsconnection_service_start(&$command) {
    $filename = 'fola.bat';
    if (is_writable($filename)) {
        if (!$handle = fopen($filename, 'w')) {
            drupal_set_message("Cannot open file ($filename)");
        }
        if (fwrite($handle, $command) === FALSE) {
            drupal_set_message("Cannot write to file ($filename)");
        }
        drupal_set_message("Success, wrote ($command) to file ($filename)");
        fclose($handle);
    } else {
        drupal_set_message("The file $filename is not writable");
    }
    //start the service
    $out = shell_exec('sc start fola');
}

/* Stoping of the above service to reduce sources
 * inputs nothing , return nothing
 */

function wdsconnection_service_stop() {
    //stop the service
    $out = shell_exec('sc stop fola');
}