[289] | 1 | <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); |
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| 2 | /** |
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| 3 | * CodeIgniter |
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| 4 | * |
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| 5 | * An open source application development framework for PHP 5.1.6 or newer |
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| 6 | * |
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| 7 | * @package CodeIgniter |
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| 8 | * @author ExpressionEngine Dev Team |
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| 9 | * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. |
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| 10 | * @license http://codeigniter.com/user_guide/license.html |
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| 11 | * @link http://codeigniter.com |
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| 12 | * @since Version 1.0 |
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| 13 | * @filesource |
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| 14 | */ |
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| 15 | |
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| 16 | // ------------------------------------------------------------------------ |
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| 17 | |
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| 18 | /** |
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| 19 | * FTP Class |
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| 20 | * |
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| 21 | * @package CodeIgniter |
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| 22 | * @subpackage Libraries |
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| 23 | * @category Libraries |
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| 24 | * @author ExpressionEngine Dev Team |
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| 25 | * @link http://codeigniter.com/user_guide/libraries/ftp.html |
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| 26 | */ |
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| 27 | class CI_FTP { |
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| 28 | |
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| 29 | var $hostname = ''; |
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| 30 | var $username = ''; |
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| 31 | var $password = ''; |
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| 32 | var $port = 21; |
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| 33 | var $passive = TRUE; |
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| 34 | var $debug = FALSE; |
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| 35 | var $conn_id = FALSE; |
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| 36 | |
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| 37 | |
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| 38 | /** |
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| 39 | * Constructor - Sets Preferences |
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| 40 | * |
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| 41 | * The constructor can be passed an array of config values |
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| 42 | */ |
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| 43 | public function __construct($config = array()) |
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| 44 | { |
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| 45 | if (count($config) > 0) |
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| 46 | { |
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| 47 | $this->initialize($config); |
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| 48 | } |
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| 49 | |
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| 50 | log_message('debug', "FTP Class Initialized"); |
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| 51 | } |
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| 52 | |
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| 53 | // -------------------------------------------------------------------- |
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| 54 | |
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| 55 | /** |
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| 56 | * Initialize preferences |
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| 57 | * |
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| 58 | * @access public |
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| 59 | * @param array |
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| 60 | * @return void |
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| 61 | */ |
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| 62 | function initialize($config = array()) |
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| 63 | { |
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| 64 | foreach ($config as $key => $val) |
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| 65 | { |
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| 66 | if (isset($this->$key)) |
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| 67 | { |
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| 68 | $this->$key = $val; |
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| 69 | } |
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| 70 | } |
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| 71 | |
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| 72 | // Prep the hostname |
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| 73 | $this->hostname = preg_replace('|.+?://|', '', $this->hostname); |
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| 74 | } |
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| 75 | |
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| 76 | // -------------------------------------------------------------------- |
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| 77 | |
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| 78 | /** |
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| 79 | * FTP Connect |
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| 80 | * |
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| 81 | * @access public |
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| 82 | * @param array the connection values |
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| 83 | * @return bool |
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| 84 | */ |
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| 85 | function connect($config = array()) |
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| 86 | { |
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| 87 | if (count($config) > 0) |
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| 88 | { |
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| 89 | $this->initialize($config); |
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| 90 | } |
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| 91 | |
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| 92 | if (FALSE === ($this->conn_id = @ftp_connect($this->hostname, $this->port))) |
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| 93 | { |
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| 94 | if ($this->debug == TRUE) |
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| 95 | { |
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| 96 | $this->_error('ftp_unable_to_connect'); |
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| 97 | } |
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| 98 | return FALSE; |
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| 99 | } |
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| 100 | |
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| 101 | if ( ! $this->_login()) |
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| 102 | { |
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| 103 | if ($this->debug == TRUE) |
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| 104 | { |
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| 105 | $this->_error('ftp_unable_to_login'); |
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| 106 | } |
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| 107 | return FALSE; |
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| 108 | } |
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| 109 | |
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| 110 | // Set passive mode if needed |
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| 111 | if ($this->passive == TRUE) |
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| 112 | { |
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| 113 | ftp_pasv($this->conn_id, TRUE); |
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| 114 | } |
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| 115 | |
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| 116 | return TRUE; |
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| 117 | } |
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| 118 | |
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| 119 | // -------------------------------------------------------------------- |
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| 120 | |
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| 121 | /** |
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| 122 | * FTP Login |
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| 123 | * |
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| 124 | * @access private |
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| 125 | * @return bool |
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| 126 | */ |
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| 127 | function _login() |
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| 128 | { |
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| 129 | return @ftp_login($this->conn_id, $this->username, $this->password); |
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| 130 | } |
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| 131 | |
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| 132 | // -------------------------------------------------------------------- |
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| 133 | |
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| 134 | /** |
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| 135 | * Validates the connection ID |
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| 136 | * |
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| 137 | * @access private |
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| 138 | * @return bool |
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| 139 | */ |
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| 140 | function _is_conn() |
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| 141 | { |
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| 142 | if ( ! is_resource($this->conn_id)) |
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| 143 | { |
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| 144 | if ($this->debug == TRUE) |
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| 145 | { |
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| 146 | $this->_error('ftp_no_connection'); |
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| 147 | } |
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| 148 | return FALSE; |
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| 149 | } |
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| 150 | return TRUE; |
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| 151 | } |
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| 152 | |
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| 153 | // -------------------------------------------------------------------- |
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| 154 | |
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| 155 | |
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| 156 | /** |
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| 157 | * Change directory |
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| 158 | * |
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| 159 | * The second parameter lets us momentarily turn off debugging so that |
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| 160 | * this function can be used to test for the existence of a folder |
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| 161 | * without throwing an error. There's no FTP equivalent to is_dir() |
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| 162 | * so we do it by trying to change to a particular directory. |
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| 163 | * Internally, this parameter is only used by the "mirror" function below. |
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| 164 | * |
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| 165 | * @access public |
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| 166 | * @param string |
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| 167 | * @param bool |
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| 168 | * @return bool |
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| 169 | */ |
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| 170 | function changedir($path = '', $supress_debug = FALSE) |
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| 171 | { |
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| 172 | if ($path == '' OR ! $this->_is_conn()) |
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| 173 | { |
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| 174 | return FALSE; |
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| 175 | } |
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| 176 | |
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| 177 | $result = @ftp_chdir($this->conn_id, $path); |
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| 178 | |
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| 179 | if ($result === FALSE) |
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| 180 | { |
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| 181 | if ($this->debug == TRUE AND $supress_debug == FALSE) |
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| 182 | { |
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| 183 | $this->_error('ftp_unable_to_changedir'); |
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| 184 | } |
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| 185 | return FALSE; |
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| 186 | } |
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| 187 | |
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| 188 | return TRUE; |
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| 189 | } |
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| 190 | |
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| 191 | // -------------------------------------------------------------------- |
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| 192 | |
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| 193 | /** |
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| 194 | * Create a directory |
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| 195 | * |
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| 196 | * @access public |
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| 197 | * @param string |
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| 198 | * @return bool |
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| 199 | */ |
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| 200 | function mkdir($path = '', $permissions = NULL) |
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| 201 | { |
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| 202 | if ($path == '' OR ! $this->_is_conn()) |
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| 203 | { |
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| 204 | return FALSE; |
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| 205 | } |
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| 206 | |
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| 207 | $result = @ftp_mkdir($this->conn_id, $path); |
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| 208 | |
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| 209 | if ($result === FALSE) |
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| 210 | { |
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| 211 | if ($this->debug == TRUE) |
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| 212 | { |
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| 213 | $this->_error('ftp_unable_to_makdir'); |
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| 214 | } |
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| 215 | return FALSE; |
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| 216 | } |
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| 217 | |
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| 218 | // Set file permissions if needed |
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| 219 | if ( ! is_null($permissions)) |
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| 220 | { |
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| 221 | $this->chmod($path, (int)$permissions); |
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| 222 | } |
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| 223 | |
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| 224 | return TRUE; |
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| 225 | } |
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| 226 | |
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| 227 | // -------------------------------------------------------------------- |
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| 228 | |
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| 229 | /** |
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| 230 | * Upload a file to the server |
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| 231 | * |
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| 232 | * @access public |
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| 233 | * @param string |
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| 234 | * @param string |
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| 235 | * @param string |
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| 236 | * @return bool |
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| 237 | */ |
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| 238 | function upload($locpath, $rempath, $mode = 'auto', $permissions = NULL) |
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| 239 | { |
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| 240 | if ( ! $this->_is_conn()) |
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| 241 | { |
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| 242 | return FALSE; |
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| 243 | } |
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| 244 | |
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| 245 | if ( ! file_exists($locpath)) |
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| 246 | { |
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| 247 | $this->_error('ftp_no_source_file'); |
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| 248 | return FALSE; |
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| 249 | } |
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| 250 | |
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| 251 | // Set the mode if not specified |
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| 252 | if ($mode == 'auto') |
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| 253 | { |
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| 254 | // Get the file extension so we can set the upload type |
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| 255 | $ext = $this->_getext($locpath); |
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| 256 | $mode = $this->_settype($ext); |
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| 257 | } |
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| 258 | |
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| 259 | $mode = ($mode == 'ascii') ? FTP_ASCII : FTP_BINARY; |
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| 260 | |
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| 261 | $result = @ftp_put($this->conn_id, $rempath, $locpath, $mode); |
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| 262 | |
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| 263 | if ($result === FALSE) |
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| 264 | { |
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| 265 | if ($this->debug == TRUE) |
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| 266 | { |
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| 267 | $this->_error('ftp_unable_to_upload'); |
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| 268 | } |
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| 269 | return FALSE; |
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| 270 | } |
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| 271 | |
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| 272 | // Set file permissions if needed |
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| 273 | if ( ! is_null($permissions)) |
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| 274 | { |
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| 275 | $this->chmod($rempath, (int)$permissions); |
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| 276 | } |
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| 277 | |
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| 278 | return TRUE; |
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| 279 | } |
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| 280 | |
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| 281 | // -------------------------------------------------------------------- |
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| 282 | |
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| 283 | /** |
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| 284 | * Download a file from a remote server to the local server |
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| 285 | * |
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| 286 | * @access public |
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| 287 | * @param string |
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| 288 | * @param string |
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| 289 | * @param string |
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| 290 | * @return bool |
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| 291 | */ |
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| 292 | function download($rempath, $locpath, $mode = 'auto') |
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| 293 | { |
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| 294 | if ( ! $this->_is_conn()) |
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| 295 | { |
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| 296 | return FALSE; |
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| 297 | } |
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| 298 | |
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| 299 | // Set the mode if not specified |
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| 300 | if ($mode == 'auto') |
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| 301 | { |
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| 302 | // Get the file extension so we can set the upload type |
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| 303 | $ext = $this->_getext($rempath); |
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| 304 | $mode = $this->_settype($ext); |
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| 305 | } |
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| 306 | |
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| 307 | $mode = ($mode == 'ascii') ? FTP_ASCII : FTP_BINARY; |
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| 308 | |
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| 309 | $result = @ftp_get($this->conn_id, $locpath, $rempath, $mode); |
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| 310 | |
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| 311 | if ($result === FALSE) |
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| 312 | { |
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| 313 | if ($this->debug == TRUE) |
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| 314 | { |
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| 315 | $this->_error('ftp_unable_to_download'); |
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| 316 | } |
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| 317 | return FALSE; |
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| 318 | } |
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| 319 | |
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| 320 | return TRUE; |
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| 321 | } |
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| 322 | |
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| 323 | // -------------------------------------------------------------------- |
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| 324 | |
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| 325 | /** |
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| 326 | * Rename (or move) a file |
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| 327 | * |
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| 328 | * @access public |
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| 329 | * @param string |
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| 330 | * @param string |
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| 331 | * @param bool |
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| 332 | * @return bool |
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| 333 | */ |
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| 334 | function rename($old_file, $new_file, $move = FALSE) |
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| 335 | { |
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| 336 | if ( ! $this->_is_conn()) |
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| 337 | { |
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| 338 | return FALSE; |
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| 339 | } |
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| 340 | |
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| 341 | $result = @ftp_rename($this->conn_id, $old_file, $new_file); |
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| 342 | |
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| 343 | if ($result === FALSE) |
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| 344 | { |
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| 345 | if ($this->debug == TRUE) |
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| 346 | { |
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| 347 | $msg = ($move == FALSE) ? 'ftp_unable_to_rename' : 'ftp_unable_to_move'; |
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| 348 | |
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| 349 | $this->_error($msg); |
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| 350 | } |
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| 351 | return FALSE; |
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| 352 | } |
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| 353 | |
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| 354 | return TRUE; |
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| 355 | } |
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| 356 | |
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| 357 | // -------------------------------------------------------------------- |
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| 358 | |
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| 359 | /** |
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| 360 | * Move a file |
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| 361 | * |
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| 362 | * @access public |
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| 363 | * @param string |
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| 364 | * @param string |
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| 365 | * @return bool |
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| 366 | */ |
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| 367 | function move($old_file, $new_file) |
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| 368 | { |
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| 369 | return $this->rename($old_file, $new_file, TRUE); |
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| 370 | } |
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| 371 | |
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| 372 | // -------------------------------------------------------------------- |
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| 373 | |
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| 374 | /** |
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| 375 | * Rename (or move) a file |
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| 376 | * |
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| 377 | * @access public |
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| 378 | * @param string |
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| 379 | * @return bool |
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| 380 | */ |
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| 381 | function delete_file($filepath) |
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| 382 | { |
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| 383 | if ( ! $this->_is_conn()) |
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| 384 | { |
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| 385 | return FALSE; |
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| 386 | } |
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| 387 | |
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| 388 | $result = @ftp_delete($this->conn_id, $filepath); |
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| 389 | |
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| 390 | if ($result === FALSE) |
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| 391 | { |
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| 392 | if ($this->debug == TRUE) |
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| 393 | { |
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| 394 | $this->_error('ftp_unable_to_delete'); |
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| 395 | } |
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| 396 | return FALSE; |
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| 397 | } |
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| 398 | |
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| 399 | return TRUE; |
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| 400 | } |
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| 401 | |
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| 402 | // -------------------------------------------------------------------- |
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| 403 | |
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| 404 | /** |
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| 405 | * Delete a folder and recursively delete everything (including sub-folders) |
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| 406 | * containted within it. |
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| 407 | * |
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| 408 | * @access public |
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| 409 | * @param string |
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| 410 | * @return bool |
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| 411 | */ |
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| 412 | function delete_dir($filepath) |
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| 413 | { |
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| 414 | if ( ! $this->_is_conn()) |
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| 415 | { |
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| 416 | return FALSE; |
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| 417 | } |
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| 418 | |
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| 419 | // Add a trailing slash to the file path if needed |
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| 420 | $filepath = preg_replace("/(.+?)\/*$/", "\\1/", $filepath); |
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| 421 | |
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| 422 | $list = $this->list_files($filepath); |
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| 423 | |
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| 424 | if ($list !== FALSE AND count($list) > 0) |
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| 425 | { |
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| 426 | foreach ($list as $item) |
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| 427 | { |
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| 428 | // If we can't delete the item it's probaly a folder so |
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| 429 | // we'll recursively call delete_dir() |
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| 430 | if ( ! @ftp_delete($this->conn_id, $item)) |
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| 431 | { |
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| 432 | $this->delete_dir($item); |
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| 433 | } |
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| 434 | } |
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| 435 | } |
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| 436 | |
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| 437 | $result = @ftp_rmdir($this->conn_id, $filepath); |
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| 438 | |
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| 439 | if ($result === FALSE) |
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| 440 | { |
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| 441 | if ($this->debug == TRUE) |
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| 442 | { |
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| 443 | $this->_error('ftp_unable_to_delete'); |
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| 444 | } |
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| 445 | return FALSE; |
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| 446 | } |
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| 447 | |
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| 448 | return TRUE; |
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| 449 | } |
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| 450 | |
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| 451 | // -------------------------------------------------------------------- |
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| 452 | |
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| 453 | /** |
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| 454 | * Set file permissions |
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| 455 | * |
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| 456 | * @access public |
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| 457 | * @param string the file path |
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| 458 | * @param string the permissions |
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| 459 | * @return bool |
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| 460 | */ |
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| 461 | function chmod($path, $perm) |
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| 462 | { |
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| 463 | if ( ! $this->_is_conn()) |
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| 464 | { |
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| 465 | return FALSE; |
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| 466 | } |
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| 467 | |
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| 468 | // Permissions can only be set when running PHP 5 |
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| 469 | if ( ! function_exists('ftp_chmod')) |
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| 470 | { |
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| 471 | if ($this->debug == TRUE) |
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| 472 | { |
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| 473 | $this->_error('ftp_unable_to_chmod'); |
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| 474 | } |
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| 475 | return FALSE; |
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| 476 | } |
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| 477 | |
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| 478 | $result = @ftp_chmod($this->conn_id, $perm, $path); |
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| 479 | |
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| 480 | if ($result === FALSE) |
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| 481 | { |
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| 482 | if ($this->debug == TRUE) |
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| 483 | { |
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| 484 | $this->_error('ftp_unable_to_chmod'); |
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| 485 | } |
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| 486 | return FALSE; |
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| 487 | } |
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| 488 | |
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| 489 | return TRUE; |
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| 490 | } |
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| 491 | |
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| 492 | // -------------------------------------------------------------------- |
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| 493 | |
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| 494 | /** |
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| 495 | * FTP List files in the specified directory |
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| 496 | * |
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| 497 | * @access public |
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| 498 | * @return array |
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| 499 | */ |
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| 500 | function list_files($path = '.') |
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| 501 | { |
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| 502 | if ( ! $this->_is_conn()) |
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| 503 | { |
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| 504 | return FALSE; |
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| 505 | } |
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| 506 | |
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| 507 | return ftp_nlist($this->conn_id, $path); |
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| 508 | } |
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| 509 | |
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| 510 | // ------------------------------------------------------------------------ |
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| 511 | |
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| 512 | /** |
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| 513 | * Read a directory and recreate it remotely |
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| 514 | * |
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| 515 | * This function recursively reads a folder and everything it contains (including |
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| 516 | * sub-folders) and creates a mirror via FTP based on it. Whatever the directory structure |
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| 517 | * of the original file path will be recreated on the server. |
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| 518 | * |
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| 519 | * @access public |
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| 520 | * @param string path to source with trailing slash |
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| 521 | * @param string path to destination - include the base folder with trailing slash |
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| 522 | * @return bool |
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| 523 | */ |
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| 524 | function mirror($locpath, $rempath) |
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| 525 | { |
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| 526 | if ( ! $this->_is_conn()) |
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| 527 | { |
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| 528 | return FALSE; |
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| 529 | } |
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| 530 | |
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| 531 | // Open the local file path |
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| 532 | if ($fp = @opendir($locpath)) |
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| 533 | { |
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| 534 | // Attempt to open the remote file path. |
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| 535 | if ( ! $this->changedir($rempath, TRUE)) |
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| 536 | { |
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| 537 | // If it doesn't exist we'll attempt to create the direcotory |
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| 538 | if ( ! $this->mkdir($rempath) OR ! $this->changedir($rempath)) |
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| 539 | { |
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| 540 | return FALSE; |
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| 541 | } |
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| 542 | } |
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| 543 | |
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| 544 | // Recursively read the local directory |
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| 545 | while (FALSE !== ($file = readdir($fp))) |
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| 546 | { |
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| 547 | if (@is_dir($locpath.$file) && substr($file, 0, 1) != '.') |
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| 548 | { |
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| 549 | $this->mirror($locpath.$file."/", $rempath.$file."/"); |
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| 550 | } |
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| 551 | elseif (substr($file, 0, 1) != ".") |
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| 552 | { |
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| 553 | // Get the file extension so we can se the upload type |
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| 554 | $ext = $this->_getext($file); |
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| 555 | $mode = $this->_settype($ext); |
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| 556 | |
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| 557 | $this->upload($locpath.$file, $rempath.$file, $mode); |
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| 558 | } |
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| 559 | } |
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| 560 | return TRUE; |
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| 561 | } |
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| 562 | |
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| 563 | return FALSE; |
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| 564 | } |
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| 565 | |
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| 566 | |
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| 567 | // -------------------------------------------------------------------- |
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| 568 | |
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| 569 | /** |
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| 570 | * Extract the file extension |
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| 571 | * |
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| 572 | * @access private |
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| 573 | * @param string |
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| 574 | * @return string |
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| 575 | */ |
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| 576 | function _getext($filename) |
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| 577 | { |
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| 578 | if (FALSE === strpos($filename, '.')) |
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| 579 | { |
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| 580 | return 'txt'; |
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| 581 | } |
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| 582 | |
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| 583 | $x = explode('.', $filename); |
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| 584 | return end($x); |
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| 585 | } |
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| 586 | |
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| 587 | |
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| 588 | // -------------------------------------------------------------------- |
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| 589 | |
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| 590 | /** |
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| 591 | * Set the upload type |
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| 592 | * |
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| 593 | * @access private |
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| 594 | * @param string |
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| 595 | * @return string |
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| 596 | */ |
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| 597 | function _settype($ext) |
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| 598 | { |
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| 599 | $text_types = array( |
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| 600 | 'txt', |
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| 601 | 'text', |
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| 602 | 'php', |
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| 603 | 'phps', |
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| 604 | 'php4', |
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| 605 | 'js', |
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| 606 | 'css', |
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| 607 | 'htm', |
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| 608 | 'html', |
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| 609 | 'phtml', |
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| 610 | 'shtml', |
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| 611 | 'log', |
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| 612 | 'xml' |
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| 613 | ); |
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| 614 | |
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| 615 | |
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| 616 | return (in_array($ext, $text_types)) ? 'ascii' : 'binary'; |
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| 617 | } |
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| 618 | |
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| 619 | // ------------------------------------------------------------------------ |
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| 620 | |
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| 621 | /** |
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| 622 | * Close the connection |
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| 623 | * |
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| 624 | * @access public |
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| 625 | * @param string path to source |
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| 626 | * @param string path to destination |
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| 627 | * @return bool |
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| 628 | */ |
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| 629 | function close() |
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| 630 | { |
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| 631 | if ( ! $this->_is_conn()) |
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| 632 | { |
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| 633 | return FALSE; |
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| 634 | } |
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| 635 | |
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| 636 | @ftp_close($this->conn_id); |
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| 637 | } |
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| 638 | |
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| 639 | // ------------------------------------------------------------------------ |
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| 640 | |
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| 641 | /** |
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| 642 | * Display error message |
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| 643 | * |
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| 644 | * @access private |
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| 645 | * @param string |
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| 646 | * @return bool |
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| 647 | */ |
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| 648 | function _error($line) |
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| 649 | { |
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| 650 | $CI =& get_instance(); |
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| 651 | $CI->lang->load('ftp'); |
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| 652 | show_error($CI->lang->line($line)); |
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| 653 | } |
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| 654 | |
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| 655 | |
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| 656 | } |
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| 657 | // END FTP Class |
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| 658 | |
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| 659 | /* End of file Ftp.php */ |
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| 660 | /* Location: ./system/libraries/Ftp.php */ |
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