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acl.php

#!/usr/bin/php -q
<?php
/* SVN FILE: $Id: acl.php 5117 2007-05-18 16:46:55Z phpnut $ */
/**
 * Short description for file.
 *
 * Long description for file
 *
 * PHP versions 4 and 5
 *
 * CakePHP(tm) :  Rapid Development Framework <http://www.cakephp.org/>
 * Copyright 2005-2007, Cake Software Foundation, Inc.
 *                                              1785 E. Sahara Avenue, Suite 490-204
 *                                              Las Vegas, Nevada 89104
 *
 * Licensed under The MIT License
 * Redistributions of files must retain the above copyright notice.
 *
 * @filesource
 * @copyright           Copyright 2005-2007, Cake Software Foundation, Inc.
 * @link                      http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
 * @package             cake
 * @subpackage          cake.cake.scripts
 * @since               CakePHP(tm) v 0.10.0.1232
 * @version             $Revision: 5117 $
 * @modifiedby          $LastChangedBy: phpnut $
 * @lastmodified  $Date: 2007-05-18 11:46:55 -0500 (Fri, 18 May 2007) $
 * @license             http://www.opensource.org/licenses/mit-license.php The MIT License
 */
/**
 * Enter description here...
 */
      define ('DS', DIRECTORY_SEPARATOR);
      if (function_exists('ini_set')) {
            ini_set('display_errors', '1');
            ini_set('error_reporting', '7');
            ini_set('max_execution_time',0);
      }

      $app = 'app';
      $core = null;
      $root = dirname(dirname(dirname(__FILE__)));
      $here = $argv[0];
      $dataSource = 'default';
      $unset = array();
      for ($i = 1; $i < count($argv); $i++) {
            // Process command-line modifiers here
            switch (strtolower($argv[$i])) {
                  case '-app':
                        $app = $argv[$i + 1];
                        $unset[$i] = $argv[$i];
                        $unset[$i + 1] = $argv[$i + 1];
                  break;
                  case '-core':
                        $core = $argv[$i + 1];
                        $unset[$i] = $argv[$i];
                        $unset[$i + 1] = $argv[$i + 1];
                  break;
                  case '-root':
                        $root = $argv[$i + 1];
                        $unset[$i] = $argv[$i];
                        $unset[$i + 1] = $argv[$i + 1];
                  break;
                  case '-datasource':
                        $dataSource = $argv[$i + 1];
                        $unset[$i] = $argv[$i];
                        $unset[$i + 1] = $argv[$i + 1];
                  break;
            }
      }

      if (strlen($app) && $app[0] == DS) {
            $cnt = substr_count($root, DS);
            $app = str_repeat('..' . DS, $cnt) . $app;
      }
      define ('ROOT', $root.DS);
      define ('APP_DIR', $app);
      define ('DEBUG', 1);;
      define('CAKE_CORE_INCLUDE_PATH', ROOT);
      define('DATASOURCE', $dataSource);

      if(function_exists('ini_set')) {
            ini_set('include_path',ini_get('include_path').
                  PATH_SEPARATOR.CAKE_CORE_INCLUDE_PATH.DS.
                  PATH_SEPARATOR.CORE_PATH.DS.
                  PATH_SEPARATOR.ROOT.DS.APP_DIR.DS.
                  PATH_SEPARATOR.APP_DIR.DS.
                  PATH_SEPARATOR.APP_PATH);
            define('APP_PATH', null);
            define('CORE_PATH', null);
      } else {
            define('APP_PATH', ROOT . DS . APP_DIR . DS);
            define('CORE_PATH', CAKE_CORE_INCLUDE_PATH . DS);
      }

      require ('cake'.DS.'basics.php');
      require ('cake'.DS.'config'.DS.'paths.php');
      require (CONFIGS.'core.php');
      uses ('object', 'configure', 'neat_array', 'session', 'security', 'inflector', 'model'.DS.'connection_manager',
                  'model'.DS.'datasources'.DS.'dbo_source', 'model'.DS.'model');
      require(CAKE.'app_model.php');
      uses ('controller'.DS.'components'.DS.'acl', 'controller'.DS.'components'.DS.'dbacl'.DS.'models'.DS.'aclnode',
                  'controller'.DS.'components'.DS.'dbacl'.DS.'models'.DS.'aco', 'controller'.DS.'components'.DS.'dbacl'.DS.'models'.DS.'acoaction',
                  'controller'.DS.'components'.DS.'dbacl'.DS.'models'.DS.'aro');
      //Get and format args: first arg is the name of the script.
      $serverArgs = $argv;
      if(!empty($unset)) {
            $serverArgs = array_values(array_diff($argv, $unset));
      }

      $wasted = array_shift($serverArgs);
      $command = array_shift($serverArgs);
      $args = $serverArgs;
      $aclCLI = new AclCLI ($command, $args);
/**
 * @package       cake
 * @subpackage    cake.cake.scritps
 */
class AclCLI {
/**
 * Enter description here...
 *
 * @var unknown_type
 */
      var $stdin;
/**
 * Enter description here...
 *
 * @var unknown_type
 */
      var $stdout;
/**
 * Enter description here...
 *
 * @var unknown_type
 */
      var $stderr;
/**
 * Enter description here...
 *
 * @var unknown_type
 */
      var $acl;
/**
 * Enter description here...
 *
 * @var unknown_type
 */
      var $args;
/**
 * Enter description here...
 *
 * @var unknown_type
 */
      var $dataSource = 'default';
/**
 * Enter description here...
 *
 * @param unknown_type $command
 * @param unknown_type $args
 * @return AclCLI
 */
      function AclCLI($command, $args) {
            $this->__construct($command, $args);
      }
/**
 * Enter description here...
 *
 * @param unknown_type $command
 * @param unknown_type $args
 */
      function __construct ($command, $args) {
            $this->stdin = fopen('php://stdin', 'r');
            $this->stdout = fopen('php://stdout', 'w');
            $this->stderr = fopen('php://stderr', 'w');

            if (ACL_CLASSNAME != 'DB_ACL'){
                  $out = "--------------------------------------------------\n";
                  $out .= "Error: Your current Cake configuration is set to \n";
                  $out .= "an ACL implementation other than DB. Please change \n";
                  $out .= "your core config to reflect your decision to use \n";
                  $out .= "DB_ACL before attempting to use this script.\n";
                  $out .= "--------------------------------------------------\n";
                  $out .= "Current ACL Classname: " . ACL_CLASSNAME . "\n";
                  $out .= "--------------------------------------------------\n";
                  fwrite($this->stderr, $out);
                  exit();
            }

            if(!in_array($command, array('help'))) {
                  if(!file_exists(CONFIGS.'database.php')) {
                        $this->stdout('');
                        $this->stdout('Your database configuration was not found.');
                        $this->stdout('Take a moment to create one:');
                        $this->doDbConfig();
                  }
                  require_once (CONFIGS.'database.php');

                  if(!in_array($command, array('initdb'))) {
                        $this->dataSource = DATASOURCE;
                        $this->Acl = new AclComponent();
                        $this->args = $args;
                        $this->db =& ConnectionManager::getDataSource($this->dataSource);
                  }
            }

            switch ($command) {
                  case 'create':
                        $this->create();
                  break;
                  case 'delete':
                        $this->delete();
                  break;
                  case 'setParent':
                        $this->setParent();
                  break;
                  case 'getPath':
                        $this->getPath();
                  break;
                  case 'grant':
                        $this->grant();
                  break;
                  case 'deny':
                        $this->deny();
                  break;
                  case 'inherit':
                        $this->inherit();
                  break;
                  case 'view':
                        $this->view();
                  break;
                  case 'initdb':
                        $this->initdb();
                  break;
                  case 'upgrade':
                        $this->upgradedb();
                  break;
                  case 'help':
                        $this->help();
                  break;
                  default:
                        fwrite($this->stderr, "Unknown ACL command '$command'.\nFor usage, try 'php acl.php help'.\n\n");
                  break;
            }
      }
/**
 * Enter description here...
 *
 */
      function create() {
            $this->checkArgNumber(4, 'create');
            $this->checkNodeType();
            extract($this->__dataVars());

            $parent = (is_numeric($this->args[2])) ? intval($this->args[2]) : $this->args[2];
            if(!$this->Acl->{$class}->create(intval($this->args[1]), $parent, $this->args[3])){
                  $this->displayError("Parent Node Not Found", "There was an error creating the ".$class.", probably couldn't find the parent node.\n If you wish to create a new root node, specify the <parent_id> as '0'.");
            }
            $this->stdout("New $class '".$this->args[3]."' created.\n\n");
      }
/**
 * Enter description here...
 *
 */
      function delete() {
            $this->checkArgNumber(2, 'delete');
            $this->checkNodeType();
            extract($this->__dataVars());
            if(!$this->Acl->{$class}->delete($this->args[1])) {
                  $this->displayError("Node Not Deleted", "There was an error deleting the ".$class.". Check that the node exists.\n");
            }
            $this->stdout("{$class} deleted.\n\n");
      }

/**
 * Enter description here...
 *
 */
      function setParent() {
            $this->checkArgNumber(3, 'setParent');
            $this->checkNodeType();
            extract($this->__dataVars());
            if (!$this->Acl->{$class}->setParent($this->args[2], $this->args[1])){
                  $this->stdout("Error in setting new parent. Please make sure the parent node exists, and is not a descendant of the node specified.\n");
            } else {
                  $this->stdout("Node parent set to ".$this->args[2]."\n\n");
            }
      }
/**
 * Enter description here...
 *
 */
      function getPath() {
            $this->checkArgNumber(2, 'getPath');
            $this->checkNodeType();
            extract($this->__dataVars());
            $id = (is_numeric($this->args[2])) ? intval($this->args[1]) : $this->args[1];
            $nodes = $this->Acl->{$class}->getPath($id);
            if (empty($nodes)) {
                  $this->displayError("Supplied Node '".$this->args[1]."' not found", "No tree returned.");
            }
            for ($i = 0; $i < count($nodes); $i++) {
                  $this->stdout(str_repeat('  ', $i) . "[" . $nodes[$i][$class]['id'] . "]" . $nodes[$i][$class]['alias'] . "\n");
            }
      }
/**
 * Enter description here...
 *
 */
      function grant() {
            $this->checkArgNumber(3, 'grant');
            //add existence checks for nodes involved
            $aro = $this->args[0];
            if(is_numeric($aro)) {
                  $aro = intval($aro);
            }
            $aco = $this->args[1];
            if(is_numeric($aco)) {
                  $aco = intval($aco);
            }
            if($this->Acl->allow($aro, $aco, $this->args[2])) {
                  $this->stdout("Permission granted.\n");
            } else {
                  $this->stdout("Permission could not be granted.\n");
            }
      }
/**
 * Enter description here...
 *
 */
      function deny() {
            $this->checkArgNumber(3, 'deny');
            //add existence checks for nodes involved
            $aro = (is_numeric($this->args[0])) ? intval($this->args[0]) : $this->args[0];
            $aco = (is_numeric($this->args[1])) ? intval($this->args[1]) : $this->args[1];
            $aro = $this->args[0];
            if(is_numeric($aro)) {
                  $aro = intval($aro);
            }
            $aco = $this->args[1];
            if(is_numeric($aco)) {
                  $aco = intval($aco);
            }
            if($this->Acl->deny($aro, $aco, $this->args[2])) {
                  $this->stdout("Permission denied.\n");
            } else {
                  $this->stdout("Permission could not be denied.\n");
            }
      }
/**
 * Enter description here...
 *
 */
      function inherit() {
            $this->checkArgNumber(3, 'inherit');
            $aro = $this->args[0];
            if(is_numeric($aro)) {
                  $aro = intval($aro);
            }
            $aco = $this->args[1];
            if(is_numeric($aco)) {
                  $aco = intval($aco);
            }
            if($this->Acl->inherit($aro, $aco, $this->args[2])) {
                  $this->stdout("Permission inherited.\n");
            } else {
                  $this->stdout("Permission could not be inherited.\n");
            }
      }
/**
 * Enter description here...
 *
 */
      function view() {
            $this->checkArgNumber(1, 'view');
            $this->checkNodeType();
            extract($this->__dataVars());
            if (!is_null($this->args[1])) {
                  $conditions = $this->Acl->{$class}->_resolveID($this->args[1]);
            } else {
                  $conditions = null;
            }
            $nodes = $this->Acl->{$class}->findAll($conditions, null, 'lft ASC');
            if (empty($nodes)) {
                  $this->displayError($this->args[1]." not found", "No tree returned.");
            }
            $right = array();

            $this->stdout($class . " tree:\n");
            $this->stdout("------------------------------------------------\n");

            for($i = 0; $i < count($nodes); $i++){
                  if (count($right) > 0){
                        while ($right[count($right)-1] < $nodes[$i][$class]['rght']){
                              if ($right[count($right)-1]){
                                    array_pop($right);
                              } else {
                                    break;
                              }
                        }
                  }
                  $this->stdout(str_repeat('  ',count($right)) . "[" . $nodes[$i][$class]['id'] . "]" . $nodes[$i][$class]['alias']."\n");
                  $right[] = $nodes[$i][$class]['rght'];
            }
            $this->stdout("------------------------------------------------\n");
      }
/**
 * Enter description here...
 *
 */
      function initdb() {
            $db =& ConnectionManager::getDataSource($this->dataSource);
            $this->stdout("Initializing Database...\n");
            $this->stdout("Creating access control objects table (acos)...\n");
            $sql = " CREATE TABLE ".$db->fullTableName('acos')." (
                        ".$db->name('id')." ".$db->column($db->columns['primary_key']).",
                        ".$db->name('object_id')." ".$db->column($db->columns['integer'])." default NULL,
                        ".$db->name('alias')." ".$db->column($db->columns['string'])." NOT NULL default '',
                        ".$db->name('lft')." ".$db->column($db->columns['integer'])." default NULL,
                        ".$db->name('rght')." ".$db->column($db->columns['integer'])." default NULL,
                        PRIMARY KEY  (".$db->name('id').")
                        );";
            if ($db->query($sql) === false) {
                  die("Error: " . $db->lastError() . "\n\n");
            }

            $this->stdout("Creating access request objects table (aros)...\n");
            $sql2 = "CREATE TABLE ".$db->fullTableName('aros')." (
                        ".$db->name('id')." ".$db->column($db->columns['primary_key']).",
                        ".$db->name('foreign_key')." ".$db->column($db->columns['integer'])." default NULL,
                        ".$db->name('alias')." ".$db->column($db->columns['string'])." NOT NULL default '',
                        ".$db->name('lft')." ".$db->column($db->columns['integer'])." default NULL,
                        ".$db->name('rght')." ".$db->column($db->columns['integer'])." default NULL,
                        PRIMARY KEY  (".$db->name('id').")
                        );";
            if ($db->query($sql2) === false) {
                  die("Error: " . $db->lastError() . "\n\n");
            }

            $this->stdout("Creating relationships table (aros_acos)...\n");
            $sql3 = "CREATE TABLE ".$db->fullTableName('aros_acos')." (
                        ".$db->name('id')." ".$db->column($db->columns['primary_key']).",
                        ".$db->name('aro_id')." ".$db->column($db->columns['integer'])." default NULL,
                        ".$db->name('aco_id')." ".$db->column($db->columns['integer'])." default NULL,
                        ".$db->name('_create')." ".$db->column($db->columns['integer'])." NOT NULL default '0',
                        ".$db->name('_read')." ".$db->column($db->columns['integer'])." NOT NULL default '0',
                        ".$db->name('_update')." ".$db->column($db->columns['integer'])." NOT NULL default '0',
                        ".$db->name('_delete')." ".$db->column($db->columns['integer'])." NOT NULL default '0',
                        PRIMARY KEY  (".$db->name('id').")
                        );";
            if ($db->query($sql3) === false) {
                  die("Error: " . $db->lastError() . "\n\n");
            }

            $this->stdout("\nDone.\n");
      }

/**
 * Enter description here...
 *
 */
      function upgradedb() {
            $db =& ConnectionManager::getDataSource($this->dataSource);
            $this->stdout("Initializing Database...\n");
            $this->stdout("Upgrading table (aros)...\n");
            $sql = "ALTER TABLE ".$db->fullTableName('aros')."
                        CHANGE ".$db->name('user_id')."
                        ".$db->name('foreign_key')."
                        INT( 10 ) UNSIGNED NULL DEFAULT NULL;";
            $sql .= "ALTER TABLE " . $db->name('aros_acos') . " CHANGE " . $db->name('_create')
                        . " " . $db->name('_create') . " CHAR(2) NOT NULL DEFAULT '0';";
            $sql .= "ALTER TABLE " . $db->name('aros_acos') . " CHANGE " . $db->name('_update')
                        . " " . $db->name('_update') . " CHAR(2) NOT NULL DEFAULT '0';";
            $sql .= "ALTER TABLE " . $db->name('aros_acos') . " CHANGE " . $db->name('_read')
                        . " " . $db->name('_read') . " CHAR(2) NOT NULL DEFAULT '0';";
            $sql .= "ALTER TABLE " . $db->name('aros_acos') . " CHANGE " . $db->name('_delete')
                        . " " . $db->name('_delete') . " CHAR(2) NOT NULL DEFAULT '0';";
            if ($db->query($sql) === false) {
                  die("Error: " . $db->lastError() . "\n\n");
            }
            $this->stdout("\nDatabase upgrade is complete.\n");
      }

/**
 * Enter description here...
 *
 */
      function help() {
            $out = "Usage: php acl.php <command> <arg1> <arg2>...\n";
            $out .= "-----------------------------------------------\n";
            $out .= "Commands:\n";
            $out .= "\n";
            $out .= "\tcreate aro|aco <link_id> <parent_id> <alias>\n";
            $out .= "\t\tCreates a new ACL object under the parent specified by <parent_id>, an id/alias (see\n";
            $out .= "\t\t'view'). The link_id allows you to link a user object to Cake's\n";
            $out .= "\t\tACL structures. The alias parameter allows you to address your object\n";
            $out .= "\t\tusing a non-integer ID. Example: \"\$php acl.php create aro 57 0 John\"\n";
            $out .= "\t\twould create a new ARO object at the root of the tree, linked to 57\n";
            $out .= "\t\tin your users table, with an internal alias 'John'.";
            $out .= "\n";
            $out .= "\n";
            $out .= "\tdelete aro|aco <id>\n";
            $out .= "\t\tDeletes the ACL object with the specified ID (see 'view').\n";
            $out .= "\n";
            $out .= "\n";
            $out .= "\tsetParent aro|aco <id> <parent_id>\n";
            $out .= "\t\tUsed to set the parent of the ACL object specified by <id> to the ID\n";
            $out .= "\t\tspecified by <parent_id>.\n";
            $out .= "\n";
            $out .= "\n";
            $out .= "\tgetPath aro|aco <id>\n";
            $out .= "\t\tReturns the path to the ACL object specified by <id>. This command is\n";
            $out .= "\t\tis useful in determining the inhertiance of permissions for a certain\n";
            $out .= "\t\tobject in the tree.\n";
            $out .= "\n";
            $out .= "\n";
            $out .= "\tgrant <Aro.alias|Aro.foreign_key> <Aco.alias|Aco.object_id> <aco_action>\n";
            $out .= "\t\tUse this command to grant ACL permissions. Once executed, the ARO\n";
            $out .= "\t\tspecified (and its children, if any) will have ALLOW access to the\n";
            $out .= "\t\tspecified ACO action (and the ACO's children, if any).\n";
            $out .= "\t\tIf an integer is passed permissions will be granted based on the foreign_key or object_id.\n";
            $out .= "\n";
            $out .= "\n";
            $out .= "\tdeny <Aro.alias|Aro.foreign_key> <Aco.alias|Aco.object_id> <aco_action>\n";
            $out .= "\t\tUse this command to deny ACL permissions. Once executed, the ARO\n";
            $out .= "\t\tspecified (and its children, if any) will have DENY access to the\n";
            $out .= "\t\tspecified ACO action (and the ACO's children, if any).\n";
            $out .= "\t\tIf an integer is passed permissions will be denied based on the foreign_key or object_id.\n";
            $out .= "\n";
            $out .= "\n";
            $out .= "\tinherit <Aro.alias|Aro.foreign_key> <Aco.alias|Aco.object_id> <aco_action>\n";
            $out .= "\t\tUse this command to force a child ARO object to inherit its\n";
            $out .= "\t\tpermissions settings from its parent.\n";
            $out .= "\t\tIf an integer is passed permissions will be inherited based on the foreign_key or object_id.\n";
            $out .= "\n";
            $out .= "\n";
            $out .= "\tview aro|aco [id]\n";
            $out .= "\t\tThe view command will return the ARO or ACO tree. The optional\n";
            $out .= "\t\tid/alias parameter allows you to return only a portion of the requested\n";
            $out .= "\t\ttree.\n";
            $out .= "\n";
            $out .= "\n";
            $out .= "\tinitdb\n";
            $out .= "\t\tUse this command to create the database tables needed to use DB ACL.\n";
            $out .= "\n";
            $out .= "\n";
            $out .= "\thelp\n";
            $out .= "\t\tDisplays this help message.\n";
            $out .= "\n";
            $out .= "\n";
            $this->stdout($out);
      }
/**
 * Enter description here...
 *
 * @param unknown_type $title
 * @param unknown_type $msg
 */
      function displayError($title, $msg) {
            $out = "\n";
            $out .= "Error: $title\n";
            $out .= "$msg\n";
            $out .= "\n";
            $this->stdout($out);
            exit();
      }

/**
 * Enter description here...
 *
 * @param unknown_type $expectedNum
 * @param unknown_type $command
 */
      function checkArgNumber($expectedNum, $command) {
            if (count($this->args) < $expectedNum) {
                  $this->displayError('Wrong number of parameters: '.count($this->args), 'Please type \'php acl.php help\' for help on usage of the '.$command.' command.');
            }
      }
/**
 * Enter description here...
 *
 */
      function checkNodeType() {
            if ($this->args[0] != 'aco' && $this->args[0] != 'aro') {
                  $this->displayError("Missing/Unknown node type: '".$this->args[0]."'", 'Please specify which ACL object type you wish to create.');
            }
      }
/**
 * Enter description here...
 *
 * @param unknown_type $type
 * @param unknown_type $id
 * @return unknown
 */
      function nodeExists($type, $id) {
            //$this->stdout("Check to see if $type with ID = $id exists...\n");
            extract($this->__dataVars($type));
            $conditions = $this->Acl->{$class}->_resolveID($id);
            $possibility = $this->Acl->{$class}->findAll($conditions);
            return $possibility;
      }

/**
 * Enter description here...
 *
 * @param unknown_type $type
 * @return unknown
 */
      function __dataVars($type = null) {
            if ($type == null) {
                  $type = $this->args[0];
            }

            $vars = array();
            $class = ucwords($type);
            $vars['secondary_id'] = ($class == 'aro' ? 'foreign_key' : 'object_id');
            $vars['data_name'] = $type;
            $vars['table_name'] = $type . 's';
            $vars['class'] = $class;
            return $vars;
      }
/**
 * Database configuration setup.
 *
 */
      function doDbConfig() {
            $this->hr();
            $this->stdout('Database Configuration:');
            $this->hr();

            $driver = '';

            while ($driver == '') {
                  $driver = $this->getInput('What database driver would you like to use?', array('mysql','mysqli','mssql','sqlite','postgres', 'odbc'), 'mysql');
                  if ($driver == '') {
                        $this->stdout('The database driver supplied was empty. Please supply a database driver.');
                  }
            }

            switch($driver) {
                  case 'mysql':
                  $connect = 'mysql_connect';
                  break;
                  case 'mysqli':
                  $connect = 'mysqli_connect';
                  break;
                  case 'mssql':
                  $connect = 'mssql_connect';
                  break;
                  case 'sqlite':
                  $connect = 'sqlite_open';
                  break;
                  case 'postgres':
                  $connect = 'pg_connect';
                  break;
                  case 'odbc':
                  $connect = 'odbc_connect';
                  break;
                  default:
                  $this->stdout('The connection parameter could not be set.');
                  break;
            }

            $host = '';

            while ($host == '') {
                  $host = $this->getInput('What is the hostname for the database server?', null, 'localhost');
                  if ($host == '') {
                        $this->stdout('The host name you supplied was empty. Please supply a hostname.');
                  }
            }
            $login = '';

            while ($login == '') {
                  $login = $this->getInput('What is the database username?', null, 'root');

                  if ($login == '') {
                        $this->stdout('The database username you supplied was empty. Please try again.');
                  }
            }
            $password = '';
            $blankPassword = false;

            while ($password == '' && $blankPassword == false) {
                  $password = $this->getInput('What is the database password?');
                  if ($password == '') {
                        $blank = $this->getInput('The password you supplied was empty. Use an empty password?', array('y', 'n'), 'n');
                        if($blank == 'y')
                        {
                              $blankPassword = true;
                        }
                  }
            }
            $database = '';

            while ($database == '') {
                  $database = $this->getInput('What is the name of the database you will be using?', null, 'cake');

                  if ($database == '')  {
                        $this->stdout('The database name you supplied was empty. Please try again.');
                  }
            }

            $prefix = '';

            while ($prefix == '') {
                  $prefix = $this->getInput('Enter a table prefix?', null, 'n');
            }
            if(low($prefix) == 'n') {
                  $prefix = '';
            }

            $this->stdout('');
            $this->hr();
            $this->stdout('The following database configuration will be created:');
            $this->hr();
            $this->stdout("Driver:        $driver");
            $this->stdout("Connection:    $connect");
            $this->stdout("Host:          $host");
            $this->stdout("User:          $login");
            $this->stdout("Pass:          " . str_repeat('*', strlen($password)));
            $this->stdout("Database:      $database");
            $this->stdout("Table prefix:  $prefix");
            $this->hr();
            $looksGood = $this->getInput('Look okay?', array('y', 'n'), 'y');

            if (low($looksGood) == 'y' || low($looksGood) == 'yes') {
                  $this->bakeDbConfig($driver, $connect, $host, $login, $password, $database, $prefix);
            } else {
                  $this->stdout('Bake Aborted.');
            }
      }
/**
 * Creates a database configuration file for Bake.
 *
 * @param string $host
 * @param string $login
 * @param string $password
 * @param string $database
 */
      function bakeDbConfig( $driver, $connect, $host, $login, $password, $database, $prefix) {
            $out = "<?php\n";
            $out .= "class DATABASE_CONFIG {\n\n";
            $out .= "\tvar \$default = array(\n";
            $out .= "\t\t'driver' => '{$driver}',\n";
            $out .= "\t\t'connect' => '{$connect}',\n";
            $out .= "\t\t'host' => '{$host}',\n";
            $out .= "\t\t'login' => '{$login}',\n";
            $out .= "\t\t'password' => '{$password}',\n";
            $out .= "\t\t'database' => '{$database}', \n";
            $out .= "\t\t'prefix' => '{$prefix}' \n";
            $out .= "\t);\n";
            $out .= "}\n";
            $out .= "?>";
            $filename = CONFIGS.'database.php';
            $this->__createFile($filename, $out);
      }
/**
 * Prompts the user for input, and returns it.
 *
 * @param string $prompt Prompt text.
 * @param mixed $options Array or string of options.
 * @param string $default Default input value.
 * @return Either the default value, or the user-provided input.
 */
      function getInput($prompt, $options = null, $default = null) {
            if (!is_array($options)) {
                  $print_options = '';
            } else {
                  $print_options = '(' . implode('/', $options) . ')';
            }

            if($default == null) {
                  $this->stdout('');
                  $this->stdout($prompt . " $print_options \n" . '> ', false);
            } else {
                  $this->stdout('');
                  $this->stdout($prompt . " $print_options \n" . "[$default] > ", false);
            }
            $result = trim(fgets($this->stdin));

            if($default != null && empty($result)) {
                  return $default;
            } else {
                  return $result;
            }
      }
/**
 * Outputs to the stdout filehandle.
 *
 * @param string $string String to output.
 * @param boolean $newline If true, the outputs gets an added newline.
 */
      function stdout($string, $newline = true) {
            if ($newline) {
                  fwrite($this->stdout, $string . "\n");
            } else {
                  fwrite($this->stdout, $string);
            }
      }
/**
 * Outputs to the stderr filehandle.
 *
 * @param string $string Error text to output.
 */
      function stderr($string) {
            fwrite($this->stderr, $string);
      }
/**
 * Outputs a series of minus characters to the standard output, acts as a visual separator.
 *
 */
      function hr() {
            $this->stdout('---------------------------------------------------------------');
      }
/**
 * Creates a file at given path.
 *
 * @param string $path        Where to put the file.
 * @param string $contents Content to put in the file.
 * @return Success
 */
      function __createFile ($path, $contents) {
            $path = str_replace('//', '/', $path);
            echo "\nCreating file $path\n";
            if (is_file($path) && $this->interactive === true) {
                  fwrite($this->stdout, "File exists, overwrite?" . " {$path} (y/n/q):");
                  $key = trim(fgets($this->stdin));

                  if ($key=='q') {
                        fwrite($this->stdout, "Quitting.\n");
                        exit;
                  } elseif ($key == 'a') {
                        $this->dont_ask = true;
                  } elseif ($key == 'y') {
                  } else {
                        fwrite($this->stdout, "Skip" . " {$path}\n");
                        return false;
                  }
            }

            if ($f = fopen($path, 'w')) {
                  fwrite($f, $contents);
                  fclose($f);
                  fwrite($this->stdout, "Wrote" . "{$path}\n");
                  return true;
            } else {
                  fwrite($this->stderr, "Error! Could not write to" . " {$path}.\n");
                  return false;
            }
      }
}
?>

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