| commit | author | age | ||
| 197601 | 1 | <?php |
| T | 2 | |
| 3 | /* | |
| 4 | +-----------------------------------------------------------------------+ | |
| 5 | | program/include/rcube_config.php | | |
| 6 | | | | |
| e019f2 | 7 | | This file is part of the Roundcube Webmail client | |
| f5e7b3 | 8 | | Copyright (C) 2008-2010, The Roundcube Dev Team | |
| 197601 | 9 | | Licensed under the GNU GPL | |
| T | 10 | | | |
| 11 | | PURPOSE: | | |
| 12 | | Class to read configuration settings | | |
| 13 | | | | |
| 14 | +-----------------------------------------------------------------------+ | |
| 15 | | Author: Thomas Bruederli <roundcube@gmail.com> | | |
| 16 | +-----------------------------------------------------------------------+ | |
| 17 | ||
| 1d786c | 18 | $Id$ |
| 197601 | 19 | |
| T | 20 | */ |
| 21 | ||
| 22 | /** | |
| e019f2 | 23 | * Configuration class for Roundcube |
| 197601 | 24 | * |
| T | 25 | * @package Core |
| 26 | */ | |
| 27 | class rcube_config | |
| 28 | { | |
| 2eb794 | 29 | private $prop = array(); |
| A | 30 | private $errors = array(); |
| 31 | private $userprefs = array(); | |
| 197601 | 32 | |
| T | 33 | |
| 2eb794 | 34 | /** |
| A | 35 | * Object constructor |
| 36 | */ | |
| 37 | public function __construct() | |
| 2471d3 | 38 | { |
| 2eb794 | 39 | $this->load(); |
| 2471d3 | 40 | } |
| 2eb794 | 41 | |
| A | 42 | |
| 43 | /** | |
| 44 | * Load config from local config file | |
| 45 | * | |
| 46 | * @todo Remove global $CONFIG | |
| 47 | */ | |
| 48 | private function load() | |
| 2471d3 | 49 | { |
| 2eb794 | 50 | // load main config file |
| A | 51 | if (!$this->load_from_file(RCMAIL_CONFIG_DIR . '/main.inc.php')) |
| 52 | $this->errors[] = 'main.inc.php was not found.'; | |
| 53 | ||
| 54 | // load database config | |
| 55 | if (!$this->load_from_file(RCMAIL_CONFIG_DIR . '/db.inc.php')) | |
| 56 | $this->errors[] = 'db.inc.php was not found.'; | |
| 57 | ||
| 58 | // load host-specific configuration | |
| 59 | $this->load_host_config(); | |
| 60 | ||
| 61 | // set skin (with fallback to old 'skin_path' property) | |
| 62 | if (empty($this->prop['skin']) && !empty($this->prop['skin_path'])) | |
| 63 | $this->prop['skin'] = str_replace('skins/', '', unslashify($this->prop['skin_path'])); | |
| 64 | else if (empty($this->prop['skin'])) | |
| 65 | $this->prop['skin'] = 'default'; | |
| 66 | ||
| 67 | // fix paths | |
| 68 | $this->prop['log_dir'] = $this->prop['log_dir'] ? realpath(unslashify($this->prop['log_dir'])) : INSTALL_PATH . 'logs'; | |
| 69 | $this->prop['temp_dir'] = $this->prop['temp_dir'] ? realpath(unslashify($this->prop['temp_dir'])) : INSTALL_PATH . 'temp'; | |
| 70 | ||
| 71 | // fix default imap folders encoding | |
| 72 | foreach (array('drafts_mbox', 'junk_mbox', 'sent_mbox', 'trash_mbox') as $folder) | |
| 73 | $this->prop[$folder] = rcube_charset_convert($this->prop[$folder], RCMAIL_CHARSET, 'UTF7-IMAP'); | |
| 74 | ||
| 75 | if (!empty($this->prop['default_imap_folders'])) | |
| 76 | foreach ($this->prop['default_imap_folders'] as $n => $folder) | |
| 77 | $this->prop['default_imap_folders'][$n] = rcube_charset_convert($folder, RCMAIL_CHARSET, 'UTF7-IMAP'); | |
| 78 | ||
| 79 | // set PHP error logging according to config | |
| 80 | if ($this->prop['debug_level'] & 1) { | |
| 81 | ini_set('log_errors', 1); | |
| 82 | ||
| 83 | if ($this->prop['log_driver'] == 'syslog') { | |
| 84 | ini_set('error_log', 'syslog'); | |
| 85 | } | |
| 86 | else { | |
| 87 | ini_set('error_log', $this->prop['log_dir'].'/errors'); | |
| 88 | } | |
| 89 | } | |
| 23b495 | 90 | |
| A | 91 | // enable display_errors in 'show' level, but not for ajax requests |
| 92 | ini_set('display_errors', intval(empty($_REQUEST['_remote']) && ($this->prop['debug_level'] & 4))); | |
| 2eb794 | 93 | |
| A | 94 | // export config data |
| 95 | $GLOBALS['CONFIG'] = &$this->prop; | |
| 2471d3 | 96 | } |
| 1854c4 | 97 | |
| 2eb794 | 98 | /** |
| A | 99 | * Load a host-specific config file if configured |
| 100 | * This will merge the host specific configuration with the given one | |
| 101 | */ | |
| 102 | private function load_host_config() | |
| 103 | { | |
| 104 | $fname = null; | |
| 10eedb | 105 | |
| 2eb794 | 106 | if (is_array($this->prop['include_host_config'])) { |
| A | 107 | $fname = $this->prop['include_host_config'][$_SERVER['HTTP_HOST']]; |
| 108 | } | |
| 109 | else if (!empty($this->prop['include_host_config'])) { | |
| 110 | $fname = preg_replace('/[^a-z0-9\.\-_]/i', '', $_SERVER['HTTP_HOST']) . '.inc.php'; | |
| 111 | } | |
| 2471d3 | 112 | |
| 2eb794 | 113 | if ($fname) { |
| A | 114 | $this->load_from_file(RCMAIL_CONFIG_DIR . '/' . $fname); |
| 115 | } | |
| 83a763 | 116 | } |
| T | 117 | |
| 2eb794 | 118 | |
| A | 119 | /** |
| 120 | * Read configuration from a file | |
| 121 | * and merge with the already stored config values | |
| 122 | * | |
| 5c461b | 123 | * @param string $fpath Full path to the config file to be loaded |
| 2eb794 | 124 | * @return booelan True on success, false on failure |
| A | 125 | */ |
| 126 | public function load_from_file($fpath) | |
| 127 | { | |
| 128 | if (is_file($fpath) && is_readable($fpath)) { | |
| 7c9850 | 129 | // use output buffering, we don't need any output here |
| A | 130 | ob_start(); |
| 2eb794 | 131 | include($fpath); |
| 7c9850 | 132 | ob_end_clean(); |
| A | 133 | |
| 2eb794 | 134 | if (is_array($rcmail_config)) { |
| A | 135 | $this->prop = array_merge($this->prop, $rcmail_config, $this->userprefs); |
| 136 | return true; | |
| 137 | } | |
| 138 | } | |
| 139 | ||
| 140 | return false; | |
| 141 | } | |
| 142 | ||
| 143 | ||
| 144 | /** | |
| 145 | * Getter for a specific config parameter | |
| 146 | * | |
| 5c461b | 147 | * @param string $name Parameter name |
| A | 148 | * @param mixed $def Default value if not set |
| 2eb794 | 149 | * @return mixed The requested config value |
| A | 150 | */ |
| 151 | public function get($name, $def = null) | |
| 152 | { | |
| 153 | return isset($this->prop[$name]) ? $this->prop[$name] : $def; | |
| 154 | } | |
| 155 | ||
| 156 | ||
| 157 | /** | |
| 158 | * Setter for a config parameter | |
| 159 | * | |
| 5c461b | 160 | * @param string $name Parameter name |
| A | 161 | * @param mixed $value Parameter value |
| 2eb794 | 162 | */ |
| A | 163 | public function set($name, $value) |
| 164 | { | |
| 165 | $this->prop[$name] = $value; | |
| 166 | } | |
| 167 | ||
| 168 | ||
| 169 | /** | |
| 170 | * Override config options with the given values (eg. user prefs) | |
| 171 | * | |
| 5c461b | 172 | * @param array $prefs Hash array with config props to merge over |
| 2eb794 | 173 | */ |
| A | 174 | public function merge($prefs) |
| 175 | { | |
| 176 | $this->prop = array_merge($this->prop, $prefs, $this->userprefs); | |
| 177 | } | |
| 178 | ||
| 179 | ||
| 180 | /** | |
| 181 | * Merge the given prefs over the current config | |
| 182 | * and make sure that they survive further merging. | |
| 183 | * | |
| 5c461b | 184 | * @param array $prefs Hash array with user prefs |
| 2eb794 | 185 | */ |
| A | 186 | public function set_user_prefs($prefs) |
| 187 | { | |
| bfb7d6 | 188 | // Honor the dont_override setting for any existing user preferences |
| A | 189 | $dont_override = $this->get('dont_override'); |
| 190 | if (is_array($dont_override) && !empty($dont_override)) { | |
| 191 | foreach ($prefs as $key => $pref) { | |
| 192 | if (in_array($key, $dont_override)) { | |
| 193 | unset($prefs[$key]); | |
| 194 | } | |
| 195 | } | |
| 196 | } | |
| 197 | ||
| 2eb794 | 198 | $this->userprefs = $prefs; |
| bfb7d6 | 199 | $this->prop = array_merge($this->prop, $prefs); |
| 2eb794 | 200 | } |
| A | 201 | |
| 202 | ||
| 203 | /** | |
| 204 | * Getter for all config options | |
| 205 | * | |
| 206 | * @return array Hash array containg all config properties | |
| 207 | */ | |
| 208 | public function all() | |
| 209 | { | |
| 210 | return $this->prop; | |
| 211 | } | |
| 212 | ||
| 213 | ||
| 214 | /** | |
| 215 | * Return requested DES crypto key. | |
| 216 | * | |
| 5c461b | 217 | * @param string $key Crypto key name |
| 2eb794 | 218 | * @return string Crypto key |
| A | 219 | */ |
| 220 | public function get_crypto_key($key) | |
| 221 | { | |
| 222 | // Bomb out if the requested key does not exist | |
| 223 | if (!array_key_exists($key, $this->prop)) { | |
| 224 | raise_error(array( | |
| 225 | 'code' => 500, 'type' => 'php', | |
| 226 | 'file' => __FILE__, 'line' => __LINE__, | |
| 227 | 'message' => "Request for unconfigured crypto key \"$key\"" | |
| 228 | ), true, true); | |
| 229 | } | |
| 230 | ||
| 231 | $key = $this->prop[$key]; | |
| 232 | ||
| 233 | // Bomb out if the configured key is not exactly 24 bytes long | |
| 234 | if (strlen($key) != 24) { | |
| 235 | raise_error(array( | |
| 236 | 'code' => 500, 'type' => 'php', | |
| 237 | 'file' => __FILE__, 'line' => __LINE__, | |
| 238 | 'message' => "Configured crypto key '$key' is not exactly 24 bytes long" | |
| 239 | ), true, true); | |
| 240 | } | |
| 241 | ||
| 242 | return $key; | |
| 243 | } | |
| 244 | ||
| 245 | ||
| 246 | /** | |
| 247 | * Try to autodetect operating system and find the correct line endings | |
| 248 | * | |
| 249 | * @return string The appropriate mail header delimiter | |
| 250 | */ | |
| 251 | public function header_delimiter() | |
| 252 | { | |
| 253 | // use the configured delimiter for headers | |
| 086767 | 254 | if (!empty($this->prop['mail_header_delimiter'])) { |
| A | 255 | $delim = $this->prop['mail_header_delimiter']; |
| 256 | if ($delim == "\n" || $delim == "\r\n") | |
| 257 | return $delim; | |
| 258 | else | |
| 259 | raise_error(array( | |
| 260 | 'code' => 500, 'type' => 'php', | |
| 261 | 'file' => __FILE__, 'line' => __LINE__, | |
| 262 | 'message' => "Invalid mail_header_delimiter setting" | |
| 263 | ), true, false); | |
| 264 | } | |
| 2eb794 | 265 | |
| A | 266 | $php_os = strtolower(substr(PHP_OS, 0, 3)); |
| 267 | ||
| 268 | if ($php_os == 'win') | |
| 269 | return "\r\n"; | |
| 270 | ||
| 271 | if ($php_os == 'mac') | |
| 272 | return "\r\n"; | |
| 273 | ||
| 274 | return "\n"; | |
| 275 | } | |
| 276 | ||
| 277 | ||
| 278 | /** | |
| 279 | * Return the mail domain configured for the given host | |
| 280 | * | |
| 5c461b | 281 | * @param string $host IMAP host |
| A | 282 | * @param boolean $encode If true, domain name will be converted to IDN ASCII |
| 2eb794 | 283 | * @return string Resolved SMTP host |
| A | 284 | */ |
| e99991 | 285 | public function mail_domain($host, $encode=true) |
| 2eb794 | 286 | { |
| A | 287 | $domain = $host; |
| 288 | ||
| 289 | if (is_array($this->prop['mail_domain'])) { | |
| 290 | if (isset($this->prop['mail_domain'][$host])) | |
| 291 | $domain = $this->prop['mail_domain'][$host]; | |
| 292 | } | |
| 293 | else if (!empty($this->prop['mail_domain'])) | |
| bb8721 | 294 | $domain = rcube_parse_host($this->prop['mail_domain']); |
| A | 295 | |
| e99991 | 296 | if ($encode) |
| e8d5bd | 297 | $domain = rcube_idn_to_ascii($domain); |
| e99991 | 298 | |
| 2eb794 | 299 | return $domain; |
| A | 300 | } |
| bb8721 | 301 | |
| A | 302 | |
| 2eb794 | 303 | /** |
| A | 304 | * Getter for error state |
| 305 | * | |
| 306 | * @return mixed Error message on error, False if no errors | |
| 307 | */ | |
| 308 | public function get_error() | |
| 309 | { | |
| 310 | return empty($this->errors) ? false : join("\n", $this->errors); | |
| 311 | } | |
| 83a763 | 312 | |
| 197601 | 313 | } |
