161 lines
4.0 KiB
PHP
161 lines
4.0 KiB
PHP
<?php
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namespace Zotlabs\Lib;
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class XConfig {
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/**
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* @brief Loads a full xchan's configuration into a cached storage.
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*
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* All configuration values of the given observer hash are stored in global
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* cache which is available under the global variable App::$config[$xchan].
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*
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* @param string $xchan
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* The observer's hash
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* @return void|false Returns false if xchan is not set
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*/
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static public function Load($xchan) {
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if(! $xchan)
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return false;
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if(! array_key_exists($xchan, \App::$config))
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\App::$config[$xchan] = array();
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$r = q("SELECT * FROM xconfig WHERE xchan = '%s'",
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dbesc($xchan)
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);
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if($r) {
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foreach($r as $rr) {
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$k = $rr['k'];
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$c = $rr['cat'];
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if(! array_key_exists($c, \App::$config[$xchan])) {
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\App::$config[$xchan][$c] = array();
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\App::$config[$xchan][$c]['config_loaded'] = true;
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}
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\App::$config[$xchan][$c][$k] = $rr['v'];
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}
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}
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}
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/**
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* @brief Get a particular observer's config variable given the category
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* name ($family) and a key.
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*
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* Get a particular observer's config value from the given category ($family)
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* and the $key from a cached storage in App::$config[$xchan].
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*
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* Returns false if not set.
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*
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* @param string $xchan
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* The observer's hash
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* @param string $family
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* The category of the configuration value
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* @param string $key
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* The configuration key to query
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* @return mixed Stored $value or false if it does not exist
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*/
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static public function Get($xchan, $family, $key) {
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if(! $xchan)
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return false;
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if(! array_key_exists($xchan, \App::$config))
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load_xconfig($xchan);
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if((! array_key_exists($family, \App::$config[$xchan])) || (! array_key_exists($key, \App::$config[$xchan][$family])))
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return false;
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return ((! is_array(\App::$config[$xchan][$family][$key])) && (preg_match('|^a:[0-9]+:{.*}$|s', \App::$config[$xchan][$family][$key]))
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? unserialize(\App::$config[$xchan][$family][$key])
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: \App::$config[$xchan][$family][$key]
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);
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}
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/**
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* @brief Sets a configuration value for an observer.
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*
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* Stores a config value ($value) in the category ($family) under the key ($key)
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* for the observer's $xchan hash.
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*
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*
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* @param string $xchan
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* The observer's hash
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* @param string $family
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* The category of the configuration value
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* @param string $key
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* The configuration key to set
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* @param string $value
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* The value to store
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* @return mixed Stored $value or false
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*/
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static public function Set($xchan, $family, $key, $value) {
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// manage array value
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$dbvalue = ((is_array($value)) ? serialize($value) : $value);
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$dbvalue = ((is_bool($dbvalue)) ? intval($dbvalue) : $dbvalue);
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if(self::Get($xchan, $family, $key) === false) {
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if(! array_key_exists($xchan, \App::$config))
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\App::$config[$xchan] = array();
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if(! array_key_exists($family, \App::$config[$xchan]))
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\App::$config[$xchan][$family] = array();
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$ret = q("INSERT INTO xconfig ( xchan, cat, k, v ) VALUES ( '%s', '%s', '%s', '%s' ) ",
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dbesc($xchan),
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dbesc($family),
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dbesc($key),
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dbesc($dbvalue)
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);
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}
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else {
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$ret = q("UPDATE xconfig SET v = '%s' WHERE xchan = '%s' and cat = '%s' AND k = '%s'",
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dbesc($dbvalue),
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dbesc($xchan),
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dbesc($family),
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dbesc($key)
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);
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}
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\App::$config[$xchan][$family][$key] = $value;
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if($ret)
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return $value;
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return $ret;
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}
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/**
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* @brief Deletes the given key from the observer's config.
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*
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* Removes the configured value from the stored cache in App::$config[$xchan]
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* and removes it from the database.
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*
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* @param string $xchan
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* The observer's hash
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* @param string $family
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* The category of the configuration value
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* @param string $key
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* The configuration key to delete
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* @return mixed
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*/
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static public function Delete($xchan, $family, $key) {
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if(x(\App::$config[$xchan][$family], $key))
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unset(\App::$config[$xchan][$family][$key]);
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$ret = q("DELETE FROM xconfig WHERE xchan = '%s' AND cat = '%s' AND k = '%s'",
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dbesc($xchan),
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dbesc($family),
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dbesc($key)
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);
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return $ret;
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}
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}
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