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ftp.class.php
227 lines
| 1 | <?php |
| 2 | |
| 3 | if (!defined('UPDRAFTPLUS_DIR')) die('No direct access allowed.'); |
| 4 | |
| 5 | /* Adapted from http://www.solutionbot.com/2009/01/02/php-ftp-class/ */ |
| 6 | class UpdraftPlus_ftp_wrapper { |
| 7 | private $conn_id; |
| 8 | private $host; |
| 9 | private $username; |
| 10 | private $password; |
| 11 | private $port; |
| 12 | public $timeout = 60; |
| 13 | public $passive = true; |
| 14 | public $system_type = ''; |
| 15 | public $ssl = false; |
| 16 | public $use_server_certs = false; |
| 17 | public $disable_verify = true; |
| 18 | public $login_type = 'non-encrypted'; |
| 19 | |
| 20 | public function __construct($host, $username, $password, $port = 21) { |
| 21 | $this->host = $host; |
| 22 | $this->username = $username; |
| 23 | $this->password = $password; |
| 24 | $this->port = $port; |
| 25 | } |
| 26 | |
| 27 | public function connect() { |
| 28 | |
| 29 | $time_start = time(); |
| 30 | $this->conn_id = ftp_connect($this->host, $this->port, 20); |
| 31 | |
| 32 | if ($this->conn_id) $result = ftp_login($this->conn_id, $this->username, $this->password); |
| 33 | |
| 34 | if (!empty($result)) { |
| 35 | ftp_set_option($this->conn_id, FTP_TIMEOUT_SEC, $this->timeout); |
| 36 | ftp_pasv($this->conn_id, $this->passive); |
| 37 | $this->system_type = ftp_systype($this->conn_id); |
| 38 | return true; |
| 39 | } |
| 40 | |
| 41 | if (time() - $time_start > 19) { |
| 42 | global $updraftplus_admin; |
| 43 | if (isset($updraftplus_admin->logged) && is_array($updraftplus_admin->logged)) { |
| 44 | $updraftplus_admin->logged[] = sprintf(__('The %s connection timed out; if you entered the server correctly, then this is usually caused by a firewall blocking the connection - you should check with your web hosting company.', 'updraftplus'), 'FTP'); |
| 45 | } else { |
| 46 | global $updraftplus; |
| 47 | $updraftplus->log(sprintf(__('The %s connection timed out; if you entered the server correctly, then this is usually caused by a firewall blocking the connection - you should check with your web hosting company.', 'updraftplus'), 'FTP'), 'error'); |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | return false; |
| 52 | } |
| 53 | |
| 54 | public function put($local_file_path, $remote_file_path, $mode = FTP_BINARY, $resume = false, $updraftplus = false) { |
| 55 | |
| 56 | $file_size = filesize($local_file_path); |
| 57 | |
| 58 | $existing_size = 0; |
| 59 | if ($resume) { |
| 60 | $existing_size = ftp_size($this->conn_id, $remote_file_path); |
| 61 | if ($existing_size <=0) { |
| 62 | $resume = false; $existing_size = 0; |
| 63 | } else { |
| 64 | if (is_a($updraftplus, 'UpdraftPlus')) $updraftplus->log("File already exists at remote site: size $existing_size. Will attempt resumption."); |
| 65 | if ($existing_size >= $file_size) { |
| 66 | if (is_a($updraftplus, 'UpdraftPlus')) $updraftplus->log("File is apparently already completely uploaded"); |
| 67 | return true; |
| 68 | } |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | // From here on, $file_size is only used for logging calculations. We want to avoid divsion by zero. |
| 73 | $file_size = max($file_size, 1); |
| 74 | |
| 75 | if (!$fh = fopen($local_file_path, 'rb')) return false; |
| 76 | if ($existing_size) fseek($fh, $existing_size); |
| 77 | |
| 78 | $ret = ftp_nb_fput($this->conn_id, $remote_file_path, $fh, FTP_BINARY, $existing_size); |
| 79 | |
| 80 | // $existing_size can now be re-purposed |
| 81 | |
| 82 | while ($ret == FTP_MOREDATA) { |
| 83 | if (is_a($updraftplus, 'UpdraftPlus')) { |
| 84 | $new_size = ftell($fh); |
| 85 | if ($new_size - $existing_size > 524288) { |
| 86 | $existing_size = $new_size; |
| 87 | $percent = round(100*$new_size/$file_size,1); |
| 88 | $updraftplus->record_uploaded_chunk($percent, '', $local_file_path); |
| 89 | } |
| 90 | } |
| 91 | // Continue upload |
| 92 | $ret = ftp_nb_continue($this->conn_id); |
| 93 | } |
| 94 | |
| 95 | fclose($fh); |
| 96 | |
| 97 | if ($ret != FTP_FINISHED) { |
| 98 | if (is_a($updraftplus, 'UpdraftPlus')) $updraftplus->log("FTP upload: error ($ret)"); |
| 99 | return false; |
| 100 | } |
| 101 | |
| 102 | return true; |
| 103 | |
| 104 | } |
| 105 | |
| 106 | public function get($local_file_path, $remote_file_path, $mode = FTP_BINARY, $resume = false, $updraftplus = false) { |
| 107 | |
| 108 | $file_last_size = 0; |
| 109 | |
| 110 | if ($resume) { |
| 111 | if (!$fh = fopen($local_file_path, 'ab')) return false; |
| 112 | clearstatcache($local_file_path); |
| 113 | $file_last_size = filesize($local_file_path); |
| 114 | } else { |
| 115 | if (!$fh = fopen($local_file_path, 'wb')) return false; |
| 116 | } |
| 117 | |
| 118 | $ret = ftp_nb_fget($this->conn_id, $fh, $remote_file_path, $mode, $file_last_size); |
| 119 | |
| 120 | if (false == $ret) return false; |
| 121 | |
| 122 | while ($ret == FTP_MOREDATA) { |
| 123 | |
| 124 | if ($updraftplus) { |
| 125 | $file_now_size = filesize($local_file_path); |
| 126 | if ($file_now_size - $file_last_size > 524288) { |
| 127 | $updraftplus->log("FTP fetch: file size is now: ".sprintf("%0.2f",filesize($local_file_path)/1048576)." Mb"); |
| 128 | $file_last_size = $file_now_size; |
| 129 | } |
| 130 | clearstatcache($local_file_path); |
| 131 | } |
| 132 | |
| 133 | $ret = ftp_nb_continue($this->conn_id); |
| 134 | } |
| 135 | |
| 136 | fclose($fh); |
| 137 | |
| 138 | if ($ret == FTP_FINISHED) { |
| 139 | if ($updraftplus) $updraftplus->log("FTP fetch: fetch complete"); |
| 140 | return true; |
| 141 | } else { |
| 142 | if ($updraftplus) $updraftplus->log("FTP fetch: fetch failed"); |
| 143 | return false; |
| 144 | } |
| 145 | |
| 146 | } |
| 147 | |
| 148 | public function chmod($permissions, $remote_filename) { |
| 149 | if ($this->is_octal($permissions)) { |
| 150 | $result = ftp_chmod($this->conn_id, $permissions, $remote_filename); |
| 151 | if ($result) { |
| 152 | return true; |
| 153 | } else { |
| 154 | return false; |
| 155 | } |
| 156 | } else { |
| 157 | throw new Exception('$permissions must be an octal number'); |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | public function chdir($directory) { |
| 162 | ftp_chdir($this->conn_id, $directory); |
| 163 | } |
| 164 | |
| 165 | public function delete($remote_file_path) { |
| 166 | if (ftp_delete($this->conn_id, $remote_file_path)) { |
| 167 | return true; |
| 168 | } else { |
| 169 | return false; |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | public function make_dir($directory) { |
| 174 | if (ftp_mkdir($this->conn_id, $directory)) { |
| 175 | return true; |
| 176 | } else { |
| 177 | return false; |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | public function rename($old_name, $new_name) { |
| 182 | if (ftp_rename($this->conn_id, $old_name, $new_name)) |
| 183 | { |
| 184 | return true; |
| 185 | } |
| 186 | else |
| 187 | { |
| 188 | return false; |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | public function remove_dir($directory) { |
| 193 | if (ftp_rmdir($this->conn_id, $directory)) |
| 194 | { |
| 195 | return true; |
| 196 | } |
| 197 | else |
| 198 | { |
| 199 | return false; |
| 200 | } |
| 201 | } |
| 202 | |
| 203 | public function dir_list($directory) { |
| 204 | return ftp_nlist($this->conn_id, $directory); |
| 205 | } |
| 206 | |
| 207 | public function cdup() { |
| 208 | ftp_cdup($this->conn_id); |
| 209 | } |
| 210 | |
| 211 | public function size($f) { |
| 212 | return ftp_size($this->conn_id, $f); |
| 213 | } |
| 214 | |
| 215 | public function current_dir() { |
| 216 | return ftp_pwd($this->conn_id); |
| 217 | } |
| 218 | |
| 219 | private function is_octal($i) { |
| 220 | return decoct(octdec($i)) == $i; |
| 221 | } |
| 222 | |
| 223 | public function __destruct() { |
| 224 | if ($this->conn_id) ftp_close($this->conn_id); |
| 225 | } |
| 226 | } |
| 227 | ?> |