| @@ -1,5 +1,18 @@ | ||
| 1 | 1 | <?php |
| 2 | +/** | |
| 3 | + * FileSystemCacheProvider.php | |
| 4 | + * | |
| 5 | + * The FileSystemCacheProvider interface file. | |
| 6 | + * | |
| 7 | + * PHP versions 5 | |
| 8 | + * | |
| 9 | + * @author Alexander Schneider <alexanderschneider85@gmail.com> | |
| 10 | + * @copyright 2008-2017 Alexander Schneider | |
| 11 | + * @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 | |
| 12 | + * @version SVN: $id$ | |
| 13 | + * @link http://wordpress.org/extend/plugins/user-access-manager/ | |
| 14 | + */ | |
| 2 | 15 | |
| 3 | 16 | declare(strict_types=1); |
| 4 | 17 | |
| 5 | 18 | namespace UserAccessManager\Cache; |
| @@ -6,36 +19,90 @@ | ||
| 6 | 19 | |
| 7 | 20 | use Exception; |
| 8 | 21 | use UserAccessManager\Config\Config; |
| 9 | 22 | use UserAccessManager\Config\ConfigFactory; |
| 10 | -use UserAccessManager\Config\Parameter\ConfigParameterFactory; | |
| 23 | +use UserAccessManager\Config\ConfigParameterFactory; | |
| 11 | 24 | use UserAccessManager\Util\Util; |
| 12 | 25 | use UserAccessManager\Wrapper\Php; |
| 13 | 26 | use UserAccessManager\Wrapper\Wordpress; |
| 14 | 27 | |
| 28 | +/** | |
| 29 | + * Class FileSystemCacheProvider | |
| 30 | + * | |
| 31 | + * @package UserAccessManager\Cache | |
| 32 | + */ | |
| 15 | 33 | class FileSystemCacheProvider implements CacheProviderInterface |
| 16 | 34 | { |
| 17 | - public const ID = 'FileSystemCacheProvider'; | |
| 18 | - public const CONFIG_KEY = 'uam_file_system_cache_provider'; | |
| 19 | - public const CONFIG_PATH = 'fs_cache_path'; | |
| 20 | - public const CONFIG_METHOD = 'fs_cache_method'; | |
| 21 | - public const METHOD_SERIALIZE = 'serialize'; | |
| 22 | - public const METHOD_IGBINARY = 'igbinary'; | |
| 23 | - public const METHOD_JSON = 'json'; | |
| 24 | - public const METHOD_VAR_EXPORT = 'var_export'; | |
| 35 | + const ID = 'FileSystemCacheProvider'; | |
| 36 | + const CONFIG_KEY = 'uam_file_system_cache_provider'; | |
| 37 | + const CONFIG_PATH = 'fs_cache_path'; | |
| 38 | + const CONFIG_METHOD = 'fs_cache_method'; | |
| 39 | + const METHOD_SERIALIZE = 'serialize'; | |
| 40 | + const METHOD_IGBINARY = 'igbinary'; | |
| 41 | + const METHOD_JSON = 'json'; | |
| 42 | + const METHOD_VAR_EXPORT = 'var_export'; | |
| 25 | 43 | |
| 26 | - private ?Config $config = null; | |
| 27 | - private ?string $path = null; | |
| 44 | + /** | |
| 45 | + * @var Php | |
| 46 | + */ | |
| 47 | + private $php; | |
| 28 | 48 | |
| 49 | + /** | |
| 50 | + * @var Wordpress | |
| 51 | + */ | |
| 52 | + private $wordpress; | |
| 53 | + | |
| 54 | + /** | |
| 55 | + * @var Util | |
| 56 | + */ | |
| 57 | + private $util; | |
| 58 | + | |
| 59 | + /** | |
| 60 | + * @var ConfigFactory | |
| 61 | + */ | |
| 62 | + private $configFactory; | |
| 63 | + | |
| 64 | + /** | |
| 65 | + * @var ConfigParameterFactory | |
| 66 | + */ | |
| 67 | + private $configParameterFactory; | |
| 68 | + | |
| 69 | + /** | |
| 70 | + * @var null|Config | |
| 71 | + */ | |
| 72 | + private $config = null; | |
| 73 | + | |
| 74 | + /** | |
| 75 | + * @var string | |
| 76 | + */ | |
| 77 | + private $path = null; | |
| 78 | + | |
| 79 | + /** | |
| 80 | + * FileSystemCacheProvider constructor. | |
| 81 | + * @param Php $php | |
| 82 | + * @param Wordpress $wordpress | |
| 83 | + * @param Util $util | |
| 84 | + * @param ConfigFactory $configFactory | |
| 85 | + * @param ConfigParameterFactory $configParameterFactory | |
| 86 | + */ | |
| 29 | 87 | public function __construct( |
| 30 | - private Php $php, | |
| 31 | - private Wordpress $wordpress, | |
| 32 | - private Util $util, | |
| 33 | - private ConfigFactory $configFactory, | |
| 34 | - private ConfigParameterFactory $configParameterFactory | |
| 88 | + Php $php, | |
| 89 | + Wordpress $wordpress, | |
| 90 | + Util $util, | |
| 91 | + ConfigFactory $configFactory, | |
| 92 | + ConfigParameterFactory $configParameterFactory | |
| 35 | 93 | ) { |
| 94 | + $this->php = $php; | |
| 95 | + $this->wordpress = $wordpress; | |
| 96 | + $this->util = $util; | |
| 97 | + $this->configFactory = $configFactory; | |
| 98 | + $this->configParameterFactory = $configParameterFactory; | |
| 36 | 99 | } |
| 37 | 100 | |
| 101 | + /** | |
| 102 | + * Returns the id. | |
| 103 | + * @return string | |
| 104 | + */ | |
| 38 | 105 | public function getId(): string |
| 39 | 106 | { |
| 40 | 107 | return self::ID; |
| 41 | 108 | } |
| @@ -40,8 +107,10 @@ | ||
| 40 | 107 | return self::ID; |
| 41 | 108 | } |
| 42 | 109 | |
| 43 | 110 | /** |
| 111 | + * Returns the cache path. | |
| 112 | + * @return string | |
| 44 | 113 | * @throws Exception |
| 45 | 114 | */ |
| 46 | 115 | private function getPath(): string |
| 47 | 116 | { |
| @@ -56,11 +125,12 @@ | ||
| 56 | 125 | return $this->path; |
| 57 | 126 | } |
| 58 | 127 | |
| 59 | 128 | /** |
| 129 | + * Initialise the caching path. | |
| 60 | 130 | * @throws Exception |
| 61 | 131 | */ |
| 62 | - public function init(): void | |
| 132 | + public function init() | |
| 63 | 133 | { |
| 64 | 134 | $path = $this->getPath(); |
| 65 | 135 | |
| 66 | 136 | if (is_dir($path) === false) { |
| @@ -74,8 +144,10 @@ | ||
| 74 | 144 | } |
| 75 | 145 | } |
| 76 | 146 | |
| 77 | 147 | /** |
| 148 | + * Returns the cache config. | |
| 149 | + * @return Config | |
| 78 | 150 | * @throws Exception |
| 79 | 151 | */ |
| 80 | 152 | public function getConfig(): Config |
| 81 | 153 | { |
| @@ -109,8 +181,10 @@ | ||
| 109 | 181 | return $this->config; |
| 110 | 182 | } |
| 111 | 183 | |
| 112 | 184 | /** |
| 185 | + * Returns the caching method. | |
| 186 | + * @return string|null | |
| 113 | 187 | * @throws Exception |
| 114 | 188 | */ |
| 115 | 189 | private function getCacheMethod(): ?string |
| 116 | 190 | { |
| @@ -126,8 +200,12 @@ | ||
| 126 | 200 | return $method; |
| 127 | 201 | } |
| 128 | 202 | |
| 129 | 203 | /** |
| 204 | + * Returns the cache file name with path. | |
| 205 | + * @param string|null $method | |
| 206 | + * @param string $key | |
| 207 | + * @return string | |
| 130 | 208 | * @throws Exception |
| 131 | 209 | */ |
| 132 | 210 | private function getCacheFile(?string $method, string $key): string |
| 133 | 211 | { |
| @@ -137,66 +215,73 @@ | ||
| 137 | 215 | return $cacheFile; |
| 138 | 216 | } |
| 139 | 217 | |
| 140 | 218 | /** |
| 219 | + * Adds a value to the cache. | |
| 220 | + * @param string $key | |
| 221 | + * @param mixed $value | |
| 141 | 222 | * @throws Exception |
| 142 | 223 | */ |
| 143 | - public function add(string $key, mixed $value): void | |
| 224 | + public function add(string $key, $value) | |
| 144 | 225 | { |
| 145 | 226 | $method = $this->getCacheMethod(); |
| 146 | 227 | $cacheFile = $this->getCacheFile($method, $key); |
| 147 | 228 | |
| 148 | - $content = match ($method) { | |
| 149 | - self::METHOD_SERIALIZE => base64_encode(serialize($value)), | |
| 150 | - self::METHOD_IGBINARY => $this->php->igbinarySerialize($value), | |
| 151 | - self::METHOD_JSON => json_encode($value), | |
| 152 | - self::METHOD_VAR_EXPORT => "<?php\n\$cachedValue = " . var_export($value, true) . ';', | |
| 153 | - default => null | |
| 154 | - }; | |
| 155 | - | |
| 156 | - if ($content !== null) { | |
| 157 | - $this->php->filePutContents($cacheFile, $content, LOCK_EX); | |
| 229 | + if ($method === self::METHOD_SERIALIZE) { | |
| 230 | + $this->php->filePutContents($cacheFile, base64_encode(serialize($value)), LOCK_EX); | |
| 231 | + } elseif ($method === self::METHOD_IGBINARY) { | |
| 232 | + $this->php->filePutContents($cacheFile, $this->php->igbinarySerialize($value), LOCK_EX); | |
| 233 | + } elseif ($method === self::METHOD_JSON) { | |
| 234 | + $this->php->filePutContents($cacheFile, json_encode($value), LOCK_EX); | |
| 235 | + } elseif ($method === self::METHOD_VAR_EXPORT) { | |
| 236 | + $this->php->filePutContents( | |
| 237 | + $cacheFile, | |
| 238 | + "<?php\n\$cachedValue = " . var_export($value, true) . ';', | |
| 239 | + LOCK_EX | |
| 240 | + ); | |
| 158 | 241 | } |
| 159 | 242 | } |
| 160 | 243 | |
| 161 | - private function includeCachedValue(string $cacheFile): mixed | |
| 162 | - { | |
| 163 | - $cachedValue = null; | |
| 164 | - include($cacheFile); | |
| 165 | - | |
| 166 | - return $cachedValue; | |
| 167 | - } | |
| 168 | - | |
| 169 | 244 | /** |
| 245 | + * Returns a value from the cache. | |
| 246 | + * @param string $key | |
| 247 | + * @return mixed | |
| 170 | 248 | * @throws Exception |
| 171 | 249 | */ |
| 172 | - public function get(string $key): mixed | |
| 250 | + public function get(string $key) | |
| 173 | 251 | { |
| 174 | 252 | $method = $this->getCacheMethod(); |
| 175 | 253 | $cacheFile = $this->getCacheFile($method, $key); |
| 176 | 254 | |
| 177 | - if (file_exists($cacheFile) === false) { | |
| 178 | - return null; | |
| 255 | + if ((file_exists($cacheFile) === true)) { | |
| 256 | + if ($method === self::METHOD_SERIALIZE) { | |
| 257 | + return unserialize(base64_decode(file_get_contents($cacheFile))); | |
| 258 | + } elseif ($method === self::METHOD_IGBINARY) { | |
| 259 | + return $this->php->igbinaryUnserialize(file_get_contents($cacheFile)); | |
| 260 | + } elseif ($method === self::METHOD_JSON) { | |
| 261 | + return json_decode(file_get_contents($cacheFile), true); | |
| 262 | + } elseif ($method === self::METHOD_VAR_EXPORT) { | |
| 263 | + $cachedValue = null; | |
| 264 | + /** @noinspection PhpIncludeInspection */ | |
| 265 | + include($cacheFile); | |
| 266 | + return $cachedValue; | |
| 267 | + } | |
| 179 | 268 | } |
| 180 | 269 | |
| 181 | - return match ($method) { | |
| 182 | - self::METHOD_SERIALIZE => unserialize(base64_decode(file_get_contents($cacheFile))), | |
| 183 | - self::METHOD_IGBINARY => $this->php->igbinaryUnserialize(file_get_contents($cacheFile)), | |
| 184 | - self::METHOD_JSON => json_decode(file_get_contents($cacheFile), true), | |
| 185 | - self::METHOD_VAR_EXPORT => $this->includeCachedValue($cacheFile), | |
| 186 | - default => null | |
| 187 | - }; | |
| 270 | + return null; | |
| 188 | 271 | } |
| 189 | 272 | |
| 190 | 273 | /** |
| 274 | + * Invalidates the cache. | |
| 275 | + * @param string $key | |
| 191 | 276 | * @throws Exception |
| 192 | 277 | */ |
| 193 | - public function invalidate(string $key): void | |
| 278 | + public function invalidate(string $key) | |
| 194 | 279 | { |
| 195 | 280 | $method = $this->getCacheMethod(); |
| 196 | 281 | $cacheFile = $this->getCacheFile($method, $key); |
| 197 | 282 | |
| 198 | - if (file_exists($cacheFile) === true) { | |
| 283 | + if ((file_exists($cacheFile) === true)) { | |
| 199 | 284 | unlink($cacheFile); |
| 200 | 285 | } |
| 201 | 286 | } |
| 202 | 287 | } |