diff options
Diffstat (limited to 'lib/plugins/config/settings')
-rw-r--r-- | lib/plugins/config/settings/config.class.php | 599 | ||||
-rw-r--r-- | lib/plugins/config/settings/config.metadata.php | 153 | ||||
-rw-r--r-- | lib/plugins/config/settings/extra.class.php | 90 |
3 files changed, 842 insertions, 0 deletions
diff --git a/lib/plugins/config/settings/config.class.php b/lib/plugins/config/settings/config.class.php new file mode 100644 index 000000000..000a73be7 --- /dev/null +++ b/lib/plugins/config/settings/config.class.php @@ -0,0 +1,599 @@ +<?php +/* + * Configuration Class and generic setting classes + * + * @author Chris Smith <chris@jalakai.co.uk> + */ + +if (!class_exists('configuration')) { + class configuration { + + var $_name = 'conf'; // name of the config variable found in the files (overridden by $config['varname']) + var $_format = 'php'; // format of the config file, supported formats - php (overridden by $config['format']) + var $_heading = ''; // heading string written at top of config file - don't include comment indicators + var $_loaded = false; // set to true after configuration files are loaded + var $_metadata = array(); // holds metadata describing the settings + var $setting = array(); // array of setting objects + var $locked = false; // configuration is considered locked if it can't be updated + + // filenames, these will be eval()'d prior to use so maintain any constants in output + var $_default_file = ''; + var $_local_file = ''; + var $_protected_file = ''; + + /** + * constructor + */ + function configuration($datafile) { + + if (!@file_exists($datafile)) { + msg('No configuration metadata found at - '.htmlspecialchars($datafile),-1); + return; + } + include($datafile); + + if (isset($config['varname'])) $this->_name = $config['varname']; + if (isset($config['format'])) $this->_format = $config['format']; + if (isset($config['heading'])) $this->_heading = $config['heading']; + + if (isset($file['default'])) $this->_default_file = $file['default']; + if (isset($file['local'])) $this->_local_file = $file['local']; + if (isset($file['protected'])) $this->_protected_file = $file['protected']; + + $this->locked = $this->_is_locked(); + + $this->_metadata = $meta; + + $this->retrieve_settings(); + } + + function retrieve_settings() { + + if (!$this->_loaded) { + $default = $this->_read_config($this->_default_file); + $local = $this->_read_config($this->_local_file); + $protected = $this->_read_config($this->_protected_file); + + $keys = array_merge(array_keys($this->_metadata),array_keys($default), array_keys($local), array_keys($protected)); + $keys = array_unique($keys); + + foreach ($keys as $key) { + if (isset($this->_metadata[$key])) { + $class = $this->_metadata[$key][0]; + $class = ($class && class_exists('setting_'.$class)) ? 'setting_'.$class : 'setting'; + + $param = $this->_metadata[$key]; + array_shift($param); + } else { + $class = 'setting'; + $param = NULL; + } + + $this->setting[$key] = new $class($key,$param); + $this->setting[$key]->initialize($default[$key],$local[$key],$protected[$key]); + } + + $this->_loaded = true; + } + } + + function save_settings($id, $header='', $backup=true) { + + if ($this->locked) return false; + + $file = eval('return '.$this->_local_file.';'); + + // backup current file (remove any existing backup) + if (@file_exists($file) && $backup) { + if (@file_exists($file.'.bak')) @unlink($file.'.bak'); + if (!@rename($file, $file.'.bak')) return false; + } + + if (!$fh = @fopen($file, 'wb')) { + @rename($file.'.bak', $file); // problem opening, restore the backup + return false; + } + + if (empty($header)) $header = $this->_heading; + + $out = $this->_out_header($id,$header); + + foreach ($this->setting as $setting) { + $out .= $setting->out($this->_name, $this->_format); + } + + $out .= $this->_out_footer(); + + @fwrite($fh, $out); + fclose($fh); + return true; + } + + /** + * return an array of config settings + */ + function _read_config($file) { + + if (!$file) return array(); + + $config = array(); + $file = eval('return '.$file.';'); + + if ($this->_format == 'php') { + + $contents = php_strip_whitespace($file); + $pattern = '/\$'.$this->_name.'\[[\'"]([^=]+)[\'"]\] ?= ?(.*?);/'; + + preg_match_all($pattern,$contents,$matches=array(),PREG_SET_ORDER); + + for ($i=0; $i<count($matches); $i++) { + + // correct issues with the incoming data + // FIXME ... for now merge multi-dimensional array indices using ____ + $key = preg_replace('/.\]\[./',CM_KEYMARKER,$matches[$i][1]); + + // remove quotes from quoted strings & unescape escaped data + $value = preg_replace('/^(\'|")(.*)(?<!\\\\)\1$/','$2',$matches[$i][2]); + $value = strtr($value, array('\\\\'=>'\\','\\\''=>'\'','\\"'=>'"')); + + $config[$key] = $value; + } + } + + return $config; + } + + function _out_header($id, $header) { + $out = ''; + if ($this->_format == 'php') { + $out .= '<'.'?php'."\n". + "/*\n". + " * ".$header." \n". + " * Auto-generated by ".$id." plugin \n". + " * Run for user: ".$_SERVER['REMOTE_USER']."\n". + " * Date: ".date('r')."\n". + " */\n\n"; + } + + return $out; + } + + function _out_footer() { + $out = ''; + if ($this->_format == 'php') { + if ($this->_protected_file) { + $out .= "\n@include(".$this->_protected_file.");\n"; + } + $out .= "\n// end auto-generated content\n"; + } + + return $out; + } + + // configuration is considered locked if there is no local settings filename + // or the directory its in is not writable or the file exists and is not writable + function _is_locked() { + if (!$this->_local_file) return true; + + $local = eval('return '.$this->_local_file.';'); + + if (!is_writable(dirname($local))) return true; + if (file_exists($local) && !is_writable($local)) return true; + + return false; + } + + /** + * not used ... conf's contents are an array! + * reduce any multidimensional settings to one dimension using CM_KEYMARKER + */ + function _flatten($conf,$prefix='') { + + $out = array(); + + foreach($conf as $key => $value) { + if (!is_array($value)) { + $out[$prefix.$key] = $value; + continue; + } + + $tmp = $this->_flatten($value,$prefix.$key.CM_KEYMARKER); + $out = array_merge($out,$tmp); + } + + return $out; + } + } +} + +if (!class_exists('setting')) { + class setting { + + var $_key = ''; + var $_default = NULL; + var $_local = NULL; + var $_protected = NULL; + + var $_pattern = ''; + var $_error = false; // only used by those classes which error check + var $_input = NULL; // only used by those classes which error check + + function setting($key, $params=NULL) { + $this->_key = $key; + + if (is_array($params)) { + foreach($params as $property => $value) { + $this->$property = $value; + } + } + } + + /** + * recieves current values for the setting $key + */ + function initialize($default, $local, $protected) { + if (isset($default)) $this->_default = $default; + if (isset($local)) $this->_local = $local; + if (isset($protected)) $this->_protected = $protected; + } + + /** + * update setting with user provided value $input + * if value fails error check, save it + * + * @return true if changed, false otherwise (incl. on error) + */ + function update($input) { + if (is_null($input)) return false; + if ($this->is_protected()) return false; + + $value = is_null($this->_local) ? $this->_default : $this->_local; + if ($value == $input) return false; + + if ($this->_pattern && !preg_match($this->_pattern,$input)) { + $this->_error = true; + $this->_input = $input; + return false; + } + + $this->_local = $input; + return true; + } + + /** + * @return array(string $label_html, string $input_html) + */ + function html(&$plugin, $echo=false) { + + $value = ''; + $disable = ''; + + if ($this->is_protected()) { + $value = $this->_protected; + $disable = 'disabled="disabled"'; + } else { + if ($echo && $this->_error) { + $value = $this->_input; + } else { + $value = is_null($this->_local) ? $this->_default : $this->_local; + } + } + + $key = htmlspecialchars($this->_key); + $value = htmlspecialchars($value); + + $label = '<label for="config_'.$key.'">'.$this->prompt($plugin).'</label>'; + $input = '<input id="config_'.$key.'" name="config['.$key.']" type="text" class="text" value="'.$value.'" '.$disable.'/>'; + return array($label,$input); + } + + /** + * generate string to save setting value to file according to $fmt + */ + function out($var, $fmt='php') { + + if ($this->is_protected()) return ''; + if (is_null($this->_local) || ($this->_default == $this->_local)) return ''; + + $out = ''; + + if ($fmt=='php') { + // translation string needs to be improved FIXME + $tr = array("\n"=>'\n', "\r"=>'\r', "\t"=>'\t', "\\" => '\\\\', "'" => '\\\''); + + $out = '$'.$var."['".$this->_out_key()."'] = '".strtr($this->_local, $tr)."';\n"; + } + + return $out; + } + + function prompt(&$plugin) { + $prompt = $plugin->getLang($this->_key); + if (!$prompt) $prompt = str_replace(array('____','_'),' ',$this->_key); + return htmlspecialchars($prompt); + } + + function is_protected() { return !is_null($this->_protected); } + function is_default() { return !$this->is_protected() && is_null($this->_local); } + function error() { return $this->_error; } + + function _out_key() { return str_replace(CM_KEYMARKER,"']['",$this->_key); } + } +} + +if (!class_exists('setting_password')) { + class setting_password extends setting { + + function update($input) { + if ($this->is_protected()) return false; + if (!$input) return false; + + if ($this->_pattern && !preg_match($this->_pattern,$input)) { + $this->_error = true; + $this->_input = $input; + return false; + } + + $this->_local = $input; + return true; + } + + function html(&$plugin, $echo=false) { + + $value = ''; + $disable = $this->is_protected() ? 'disabled="disabled"' : ''; + + $key = htmlspecialchars($this->_key); + + $label = '<label for="config_'.$key.'">'.$this->prompt($plugin).'</label>'; + $input = '<input id="config_'.$key.'" name="config['.$key.']" type="password" class="text" value="" '.$disable.'/>'; + return array($label,$input); + } + } +} + +if (!class_exists('setting_email')) { + class setting_email extends setting { + var $_pattern = '#([a-z0-9\-_.]+?)@([\w\-]+\.([\w\-\.]+\.)*[\w]+)#i'; + } +} + +if (!class_exists('setting_numeric')) { + class setting_numeric extends setting { + var $_pattern = '/^[-+\/*0-9 ]*$/'; + + function out($var, $fmt='php') { + + if ($this->is_protected()) return ''; + if (is_null($this->_local) || ($this->_default == $this->_local)) return ''; + + $out = ''; + + if ($fmt=='php') { + $out .= '$'.$var."['".$this->_out_key()."'] = ".$this->_local.";\n"; + } + + return $out; + } + } +} + +if (!class_exists('setting_onoff')) { + class setting_onoff extends setting_numeric { + + function html(&$plugin) { + $value = ''; + $disable = ''; + + if ($this->is_protected()) { + $value = $this->_protected; + $disable = ' disabled="disabled"'; + } else { + $value = is_null($this->_local) ? $this->_default : $this->_local; + } + + $key = htmlspecialchars($this->_key); + $checked = ($value) ? ' checked="checked"' : ''; + + $label = '<label for="config_'.$key.'">'.$this->prompt($plugin).'</label>'; + $input = '<div class="input"><input id="config_'.$key.'" name="config['.$key.']" type="checkbox" class="checkbox" value="1"'.$checked.$disable.'/></div>'; + return array($label,$input); + } + + function update($input) { + if ($this->is_protected()) return false; + + $input = ($input) ? 1 : 0; + $value = is_null($this->_local) ? $this->_default : $this->_local; + if ($value == $input) return false; + + $this->_local = $input; + return true; + } + } +} + +if (!class_exists('setting_mulitchoice')) { + class setting_multichoice extends setting { + var $_choices = array(); + + function html(&$plugin) { + $value = ''; + $disable = ''; + $nochoice = ''; + + if ($this->is_protected()) { + $value = $this->_protected; + $disable = ' disabled="disabled"'; + } else { + $value = is_null($this->_local) ? $this->_default : $this->_local; + } + + // ensure current value is included + if (!in_array($value, $this->_choices)) { + $this->_choices[] = $value; + } + // disable if no other choices + if (!$this->is_protected() && count($this->_choices) <= 1) { + $disable = ' disabled="disabled"'; + $nochoice = $plugin->getLang('nochoice'); + } + + $key = htmlspecialchars($this->_key); + + $label = '<label for="config_'.$key.'">'.$this->prompt($plugin).'</label>'; + + $input = "<div class=\"input\">\n"; + $input .= '<select id="config_'.$key.'" name="config['.$key.']"'.$disable.'>'."\n"; + foreach ($this->_choices as $choice) { + $selected = ($value == $choice) ? ' selected="selected"' : ''; + $option = $plugin->getLang($this->_key.'_o_'.$choice); + if (!$option) $option = $choice; + + $choice = htmlspecialchars($choice); + $option = htmlspecialchars($option); + $input .= ' <option value="'.$choice.'"'.$selected.' >'.$option.'</option>'."\n"; + } + $input .= "</select> $nochoice \n"; + $input .= "</div>\n"; + + return array($label,$input); + } + + function update($input) { + if (is_null($input)) return false; + if ($this->is_protected()) return false; + + $value = is_null($this->_local) ? $this->_default : $this->_local; + if ($value == $input) return false; + + if (!in_array($input, $this->_choices)) return false; + + $this->_local = $input; + return true; + } + } +} + + +if (!class_exists('setting_dirchoice')) { + class setting_dirchoice extends setting_multichoice { + + var $_dir = ''; + + function initialize($default,$local,$protected) { + + // populate $this->_choices with a list of available templates + $list = array(); + + if ($dh = @opendir($this->_dir)) { + while (false !== ($entry = readdir($dh))) { + if ($entry == '.' || $entry == '..') continue; + + $file = (is_link($this->_dir.$entry)) ? readlink($this->_dir.$entry) : $entry; + if (is_dir($this->_dir.$file)) $list[] = $entry; + } + closedir($dh); + } + sort($list); + $this->_choices = $list; + + parent::initialize($default,$local,$protected); + } + } +} + + +/** + * Provide php_strip_whitespace (php5 function) functionality + * + * @author Chris Smith <chris@jalakai.co.uk> + */ +if (!function_exists('php_strip_whitespace')) { + + if (function_exists('token_get_all')) { + + if (!defined('T_ML_COMMENT')) { + define('T_ML_COMMENT', T_COMMENT); + } else { + define('T_DOC_COMMENT', T_ML_COMMENT); + } + + /** + * modified from original + * source Google Groups, php.general, by David Otton + */ + function php_strip_whitespace($file) { + if (!@is_readable($file)) return ''; + + $in = join('',@file($file)); + $out = ''; + + $tokens = token_get_all($in); + + foreach ($tokens as $token) { + if (is_string ($token)) { + $out .= $token; + } else { + list ($id, $text) = $token; + switch ($id) { + case T_COMMENT : // fall thru + case T_ML_COMMENT : // fall thru + case T_DOC_COMMENT : // fall thru + case T_WHITESPACE : + break; + default : $out .= $text; break; + } + } + } + return ($out); + } + + } else { + + function is_whitespace($c) { return (strpos("\t\n\r ",$c) !== false); } + function is_quote($c) { return (strpos("\"'",$c) !== false); } + function is_escaped($s,$i) { + $idx = $i-1; + while(($idx>=0) && ($s{$idx} == '\\')) $idx--; + return (($i - $idx + 1) % 2); + } + + function is_commentopen($str, $i) { + if ($str{$i} == '#') return "\n"; + if ($str{$i} == '/') { + if ($str{$i+1} == '/') return "\n"; + if ($str{$i+1} == '*') return "*/"; + } + + return false; + } + + function php_strip_whitespace($file) { + + if (!@is_readable($file)) return ''; + + $contents = join('',@file($file)); + $out = ''; + + $state = 0; + for ($i=0; $i<strlen($contents); $i++) { + if (!$state && is_whitespace($contents{$i})) continue; + + if (!$state && ($c_close = is_commentopen($contents, $i))) { + $c_open_len = ($contents{$i} == '/') ? 2 : 1; + $i = strpos($contents, $c_close, $i+$c_open_len)+strlen($c_close)-1; + continue; + } + + $out .= $contents{$i}; + if (is_quote($contents{$i})) { + if (($state == $contents{$i}) && !is_escaped($contents, $i)) { $state = 0; continue; } + if (!$state) {$state = $contents{$i}; continue; } + } + } + + return $out; + } + } +} diff --git a/lib/plugins/config/settings/config.metadata.php b/lib/plugins/config/settings/config.metadata.php new file mode 100644 index 000000000..ff38b6b2b --- /dev/null +++ b/lib/plugins/config/settings/config.metadata.php @@ -0,0 +1,153 @@ +<?php +/** + * Metadata for configuration manager plugin + * + * Note: This file should be included within a function to ensure it + * doesn't class with the settings it is describing. + * + * Format: + * $meta[<setting name>] = array(<handler class id>,<param name> => <param value>); + * + * <handler class id> is the handler class name without the "setting_" prefix + * + * Defined classes: + * Generic + * ------------- + * '' - default class ('setting'), text input, minimal input validation, setting output in quotes + * 'numeric' - text input, accepts numbers and arithmetic operators, setting output without quotes + * 'onoff' - checkbox input, setting output 0|1 + * 'multichoice' - select input (single choice), setting output with quotes, required _choices parameter + * 'email' - text input, input must conform to email address format, setting output in quotes + * 'password' - password input, minimal input validation, setting output plain text in quotes + * 'dirchoice' - as multichoice, selection choices based on folders found at location specified in _dir + * parameter (required) + * + * Single Setting + * -------------- + * 'savedir' - as 'setting', input tested against initpath() (inc/init.php) + * 'sepchar' - as multichoice, selection constructed from string of valid values + * 'authtype' - as 'setting', input validated against a valid php file at expected location for auth files + * 'im_convert' - as 'setting', input must exist and be an im_convert module + * + * Any setting commented or missing will use 'setting' class - text input, minimal validation, quoted output + * + * Defined parameters: + * '_pattern' - string, a preg pattern. input is tested against this pattern before being accepted + * optional all classes, except onoff, multichoice & dirchoice which ignore it + * '_choices' - array of choices. used to populate a selection box. choice will be replaced by a localised + * language string, indexed by <setting name>_o_<choice>, if one exists + * required by 'multichoice' class, ignored by other classes + * '_dir' - location of directory to be used to populate choice list + * required by 'dirchoice' class, ignored by other classes + * + * @author Chris Smith <chris@jalakai.co.uk> + */ +// ---------------[ settings for settings ]------------------------------ +$config['format'] = 'php'; // format of setting files, supported formats: php +$config['varname'] = 'conf'; // name of the config variable, sans $ + +// this string is written at the top of the rewritten settings file, +// !! do not include any comment indicators !! +// this value can be overriden when calling save_settings() method +$config['heading'] = 'Dokuwiki\'s Main Configuration File - Local Settings'; + +// ---------------[ setting files ]-------------------------------------- +// these values can be string expressions, they will be eval'd before use +$file['local'] = "DOKU_CONF.'local.php'"; // mandatory (file doesn't have to exist) +$file['default'] = "DOKU_CONF.'dokuwiki.php'"; // optional +$file['protected'] = "DOKU_CONF.'local.protected.php'"; // optional + +// test value (FIXME, remove before publishing) +//$meta['test'] = array('multichoice','_choices' => array('')); + +// --------------[ setting metadata ]------------------------------------ +// - for description of format and fields see top of file +// - order the settings in the order you wish them to appear +// - any settings not mentioned will come after the last setting listed and +// will use the default class with no parameters + +$meta['title'] = array(''); +$meta['start'] = array(''); +$meta['savedir'] = array('savedir'); +$meta['lang'] = array('dirchoice','_dir' => DOKU_INC.'inc/lang/'); +$meta['template'] = array('dirchoice','_dir' => DOKU_INC.'lib/tpl/'); + +$meta['umask'] = array('numeric','_pattern' => '/0[0-7]{3}/'); // only accept octal representation +$meta['dmask'] = array('numeric','_pattern' => '/0[0-7]{3}/'); // only accept octal representation +$meta['basedir'] = array(''); +$meta['baseurl'] = array(''); + +$meta['fullpath'] = array('onoff'); +$meta['recent'] = array('numeric'); +$meta['breadcrumbs'] = array('numeric'); +$meta['typography'] = array('onoff'); +$meta['htmlok'] = array('onoff'); +$meta['phpok'] = array('onoff'); +$meta['dformat'] = array(''); +$meta['signature'] = array(''); +$meta['toptoclevel'] = array('multichoice','_choices' => array(1,2,3,4,5)); // 5 toc levels +$meta['maxtoclevel'] = array('multichoice','_choices' => array(1,2,3,4,5)); +$meta['maxseclevel'] = array('multichoice','_choices' => array(0,1,2,3,4,5)); // 0 for no sec edit buttons +$meta['camelcase'] = array('onoff'); +$meta['deaccent'] = array('onoff'); +$meta['useheading'] = array('onoff'); +$meta['refcheck'] = array('onoff'); +$meta['refshow'] = array('numeric'); + +$meta['usewordblock']= array('onoff'); +$meta['indexdelay'] = array('numeric'); +$meta['relnofollow'] = array('onoff'); +$meta['mailguard'] = array('multichoice','_choices' => array('visible','hex','none')); + +$meta['useacl'] = array('onoff'); +$meta['openregister']= array('onoff'); +$meta['autopasswd'] = array('onoff'); +$meta['authtype'] = array('authtype'); +$meta['passcrypt'] = array('multichoice','_choices' => array('smd5','md5','sha1','ssha','crypt','mysql','my411')); +$meta['defaultgroup']= array(''); +$meta['superuser'] = array(''); +$meta['profileconfirm'] = array('onoff'); + +$meta['userewrite'] = array('multichoice','_choices' => array(0,1,2)); +$meta['useslash'] = array('onoff'); +$meta['sepchar'] = array('sepchar'); +$meta['canonical'] = array('onoff'); +$meta['autoplural'] = array('onoff'); +$meta['usegzip'] = array('onoff'); +$meta['cachetime'] = array('numeric'); +$meta['purgeonadd'] = array('onoff'); +$meta['locktime'] = array('numeric'); +$meta['notify'] = array('email'); +$meta['mailfrom'] = array('email'); +$meta['gdlib'] = array('multichoice','_choices' => array(0,1,2)); +$meta['im_convert'] = array('im_convert'); +$meta['spellchecker']= array('onoff'); +$meta['subscribers'] = array('onoff'); +$meta['pluginmanager'] = array('onoff'); +$meta['compress'] = array('onoff'); +$meta['hidepages'] = array(''); +$meta['send404'] = array('onoff'); +$meta['sitemap'] = array('numeric'); + +$meta['rss_type'] = array('multichoice','_choices' => array('rss','rss1','rss2','atom')); +$meta['rss_linkto'] = array('multichoice','_choices' => array('diff','page','rev','current')); + +$meta['target____wiki'] = array(''); +$meta['target____interwiki'] = array(''); +$meta['target____extern'] = array(''); +$meta['target____media'] = array(''); +$meta['target____windows'] = array(''); + +$meta['proxy____host'] = array('','_pattern' => '#^[a-z0-9\-\.+]+?#i'); +$meta['proxy____port'] = array('numeric'); +$meta['proxy____user'] = array(''); +$meta['proxy____pass'] = array('password'); +$meta['proxy____ssl'] = array('onoff'); + +$meta['safemodehack'] = array('onoff'); +$meta['ftp____host'] = array('','_pattern' => '#^[a-z0-9\-\.+]+?#i'); +$meta['ftp____port'] = array('numeric'); +$meta['ftp____user'] = array(''); +$meta['ftp____pass'] = array('password'); +$meta['ftp____root'] = array(''); + diff --git a/lib/plugins/config/settings/extra.class.php b/lib/plugins/config/settings/extra.class.php new file mode 100644 index 000000000..0c5d9866e --- /dev/null +++ b/lib/plugins/config/settings/extra.class.php @@ -0,0 +1,90 @@ +<?php +/** + * additional setting classes specific to these settings + * + * @author Chris Smith <chris@jalakai.co.uk> + */ + +if (!class_exists('setting_sepchar')) { + class setting_sepchar extends setting_multichoice { + + function setting_sepchar($key,$param=NULL) { + $str = '_-.0123456789abcdefghijklnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; + for ($i=0;$i<strlen($str);$i++) $this->_choices[] = $str{$i}; + + // call foundation class constructor + $this->setting($key,$param); + } + } +} + +if (!class_exists('setting_savedir')) { + class setting_savedir extends setting { + + function update($input) { + if ($this->is_protected()) return false; + + $value = is_null($this->_local) ? $this->_default : $this->_local; + if ($value == $input) return false; + + if (!init_path($input)) { + $this->_error = true; + $this->_input = $input; + return false; + } + + $this->_local = $input; + return true; + } + } +} + +if (!class_exists('setting_authtype')) { + class setting_authtype extends setting { + var $_pattern = '#^[a-zA-Z0-9_]*$#'; + + function update($input) { + if ($this->is_protected()) return false; + + $input = trim($input); + + $value = is_null($this->_local) ? $this->_default : $this->_local; + if ($value == $input) return false; + + if (preg_match($this->_pattern, $input)) { + if (@file_exists(DOKU_INC.'inc/auth/'.$input.'.class.php') || + @file_exists(DOKU_INC.'inc/auth/'.$input.'.php')) { + $this->_local = $input; + return true; + } + } + + $this->_error = true; + $this->_input = $input; + return false; + } + } +} + +if (!class_exists('setting_im_convert')) { + class setting_im_convert extends setting { + + function update($input) { + if ($this->is_protected()) return false; + + $input = trim($input); + + $value = is_null($this->_local) ? $this->_default : $this->_local; + if ($value == $input) return false; + + if ($input && !@file_exists($input)) { + $this->_error = true; + $this->_input = $input; + return false; + } + + $this->_local = $input; + return true; + } + } +} |