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Introduce Config\Cache Source indicators (File, DB, Server Env)

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Philipp 2020-10-04 20:37:35 +02:00
parent 50a0927e7e
commit 0f3e4255ca
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6 changed files with 56 additions and 45 deletions
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70
src/Core/Config/Cache.php
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@ -30,11 +30,26 @@ use ParagonIE\HiddenString\HiddenString;
*/
class Cache
{
/** @var int Indicates that the cache entry is set by file - Low Priority */
const SOURCE_FILE = 0;
/** @var int Indicates that the cache entry is set by the DB config table - Middle Priority */
const SOURCE_DB = 1;
/** @var int Indicates that the cache entry is set by a server environment variable - High Priority */
const SOURCE_ENV = 3;
/** @var int Default value for a config source */
const SOURCE_DEFAULT = self::SOURCE_FILE;
/**
* @var array
*/
private $config;
/**
* @var int[][]
*/
private $source = [];
/**
* @var bool
*/
@ -43,11 +58,12 @@ class Cache
/**
* @param array $config A initial config array
* @param bool $hidePasswordOutput True, if cache variables should take extra care of password values
* @param int $source Sets a source of the initial config values
*/
public function __construct(array $config = [], bool $hidePasswordOutput = true)
public function __construct(array $config = [], bool $hidePasswordOutput = true, $source = self::SOURCE_DEFAULT)
{
$this->hidePasswordOutput = $hidePasswordOutput;
$this->load($config);
$this->load($config, $source);
}
/**
@ -55,9 +71,9 @@ class Cache
* Doesn't overwrite previously set values by default to prevent default config files to supersede DB Config.
*
* @param array $config
* @param bool $overwrite Force value overwrite if the config key already exists
* @param int $source Indicates the source of the config entry
*/
public function load(array $config, bool $overwrite = false)
public function load(array $config, int $source = self::SOURCE_DEFAULT)
{
$categories = array_keys($config);
@ -68,11 +84,7 @@ class Cache
foreach ($keys as $key) {
$value = $config[$category][$key];
if (isset($value)) {
if ($overwrite) {
$this->set($category, $key, $value);
} else {
$this->setDefault($category, $key, $value);
}
$this->set($category, $key, $value, $source);
}
}
}
@ -91,49 +103,45 @@ class Cache
{
if (isset($this->config[$cat][$key])) {
return $this->config[$cat][$key];
} elseif (!isset($key) && isset($this->config[$cat])) {
} else if (!isset($key) && isset($this->config[$cat])) {
return $this->config[$cat];
} else {
return null;
}
}
/**
* Sets a default value in the config cache. Ignores already existing keys.
*
* @param string $cat Config category
* @param string $key Config key
* @param mixed $value Default value to set
*/
private function setDefault(string $cat, string $key, $value)
{
if (!isset($this->config[$cat][$key])) {
$this->set($cat, $key, $value);
}
}
/**
* Sets a value in the config cache. Accepts raw output from the config table
*
* @param string $cat Config category
* @param string $key Config key
* @param mixed $value Value to set
* @param string $cat Config category
* @param string $key Config key
* @param mixed $value Value to set
* @param int $source The source of the current config key
*
* @return bool True, if the value is set
*/
public function set(string $cat, string $key, $value)
public function set(string $cat, string $key, $value, $source = self::SOURCE_DEFAULT)
{
if (!isset($this->config[$cat])) {
$this->config[$cat] = [];
$this->source[$cat] = [];
}
if (isset($this->source[$cat][$key]) &&
$source < $this->source[$cat][$key]) {
return false;
}
if ($this->hidePasswordOutput &&
$key == 'password' &&
is_string($value)) {
$key == 'password' &&
is_string($value)) {
$this->config[$cat][$key] = new HiddenString((string)$value);
} else {
$this->config[$cat][$key] = $value;
}
$this->source[$cat][$key] = $source;
return true;
}
@ -149,8 +157,10 @@ class Cache
{
if (isset($this->config[$cat][$key])) {
unset($this->config[$cat][$key]);
unset($this->source[$cat][$key]);
if (count($this->config[$cat]) == 0) {
unset($this->config[$cat]);
unset($this->source[$cat]);
}
return true;
} else {