Lines
90.47%
76 / 84
Methods
62.50%
10 / 16
Classes
0.00%
0 / 1
| Name | Lines | Methods | CRAP | ||||
|---|---|---|---|---|---|---|---|
| __construct | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | ||
| pathFor | 100.00% | 5 / 5 | 100.00% | 1 / 1 | 1 | ||
| ensureDirectory | 100.00% | 3 / 3 | 100.00% | 1 / 1 | 2 | ||
| get | 82.35% | 14 / 17 | 0.00% | 0 / 1 | 6.20 | ||
| set | 100.00% | 8 / 8 | 100.00% | 1 / 1 | 3 | ||
| delete | 100.00% | 5 / 5 | 100.00% | 1 / 1 | 2 | ||
| clear | 66.66% | 2 / 3 | 0.00% | 0 / 1 | 2.15 | ||
| has | 92.30% | 12 / 13 | 0.00% | 0 / 1 | 5.01 | ||
| [Lucent\Cache\Cache] setDefaultTtl | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | ||
| [Lucent\Cache\Cache] getDefaultTtl | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | ||
| [Lucent\Cache\Cache] resolveTtl | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | ||
| [Lucent\Cache\Cache] validateKey | 100.00% | 2 / 2 | 100.00% | 1 / 1 | 3 | ||
| [Lucent\Cache\Cache] expiryFromTtl | 85.71% | 6 / 7 | 0.00% | 0 / 1 | 4.05 | ||
| [Lucent\Cache\Cache] getMultiple | 100.00% | 5 / 5 | 100.00% | 1 / 1 | 2 | ||
| [Lucent\Cache\Cache] setMultiple | 83.33% | 5 / 6 | 0.00% | 0 / 1 | 3.04 | ||
| [Lucent\Cache\Cache] deleteMultiple | 83.33% | 5 / 6 | 0.00% | 0 / 1 | 3.04 | ||
| 30 | class FileDriver extends Cache | |
| 31 | { | |
| 32 | /** | |
| 33 | * Cache directory path (absolute). | |
| 34 | */ | |
| 35 | private string $directory; | |
| 36 | ||
| 37 | /** | |
| 38 | * @param string $directory Cache directory, relative to the project root or absolute | |
| 39 | */ | |
| 40 | public function __construct(string $directory = 'storage/cache') | |
| 41 | { | |
| 42 | $this->directory = FileSystem::normalizePath(FileSystem::absolutePath($directory)); | |
| 43 | } | |
| 44 | ||
| 45 | /** | |
| 46 | * Resolve the absolute path for a cache key. | |
| 47 | * | |
| 48 | * The key is hashed with SHA-256 so the filename is a fixed 64 hex | |
| 49 | * characters regardless of key length, keeping it well under the | |
| 50 | * filesystem's 255-byte filename component limit. The first four hex | |
| 51 | * characters form two levels of 2-character subdirectories, so files | |
| 52 | * are spread across up to 65,536 directories. | |
| 53 | * | |
| 54 | * @param string $key The cache key | |
| 55 | * @return string Absolute file path | |
| 56 | */ | |
| 57 | private function pathFor(string $key): string | |
| 58 | { | |
| 59 | $hash = hash('sha256', $key); | |
| 60 | ||
| 61 | return $this->directory | |
| 62 | . DIRECTORY_SEPARATOR . substr($hash, 0, 2) | |
| 63 | . DIRECTORY_SEPARATOR . substr($hash, 2, 2) | |
| 64 | . DIRECTORY_SEPARATOR . $hash . '.cache'; | |
| 65 | } | |
| 66 | ||
| 67 | /** | |
| 68 | * Ensure the cache directory and shard subdirectories exist. | |
| 69 | * | |
| 70 | * @param string $path The full path to the cache file | |
| 71 | * @return void | |
| 72 | */ | |
| 73 | private function ensureDirectory(string $path): void | |
| 74 | { | |
| 75 | $directory = dirname($path); | |
| 76 | ||
| 77 | if (!is_dir($directory)) { | |
| 78 | mkdir($directory, 0755, true); | |
| 79 | } | |
| 80 | } | |
| 81 | ||
| 82 | /** | |
| 83 | * @inheritDoc | |
| 84 | */ | |
| 85 | public function get(string $key, mixed $default = null): mixed | |
| 86 | { | |
| 87 | $this->validateKey($key); | |
| 88 | ||
| 89 | $file = new File($this->pathFor($key), null, true); | |
| 90 | ||
| 91 | if (!$file->exists()) { | |
| 92 | return $default; | |
| 93 | } | |
| 94 | ||
| 95 | $contents = $file->getContents(); | |
| 96 | $separator = strpos($contents, '|'); | |
| 97 | ||
| 98 | if ($separator === false) { | |
| 99 | return $default; | |
| 100 | } | |
| 101 | ||
| 102 | $expires = (int) substr($contents, 0, $separator); | |
| 103 | ||
| 104 | if ($expires !== 0 && $expires <= time()) { | |
| 105 | $file->delete(); | |
| 106 | return $default; | |
| 107 | } | |
| 108 | ||
| 109 | // Restrict object instantiation to prevent PHP object injection | |
| 110 | // (POP-chain RCE) from a tampered or attacker-influenced cache file. | |
| 111 | // `allowed_classes => false` returns __PHP_Incomplete_Class for any | |
| 112 | // object in the payload instead of instantiating it, which is safe | |
| 113 | // for the scalar/array values this cache stores. | |
| 114 | $value = unserialize(substr($contents, $separator + 1), ['allowed_classes' => false]); | |
| 115 | ||
| 116 | // A value that unserialized to an incomplete class is untrusted — | |
| 117 | // treat it as a cache miss rather than returning a broken object. | |
| 118 | if ($value instanceof \__PHP_Incomplete_Class) { | |
| 119 | $file->delete(); | |
| 120 | return $default; | |
| 121 | } | |
| 122 | ||
| 123 | return $value; | |
| 124 | } | |
| 125 | ||
| 126 | /** | |
| 127 | * @inheritDoc | |
| 128 | */ | |
| 129 | public function set(string $key, mixed $value, null|int|DateInterval $ttl = null): bool | |
| 130 | { | |
| 131 | $this->validateKey($key); | |
| 132 | ||
| 133 | $expires = $this->expiryFromTtl($this->resolveTtl($ttl)); | |
| 134 | ||
| 135 | if ($expires !== null && $expires <= time()) { | |
| 136 | return $this->delete($key); | |
| 137 | } | |
| 138 | ||
| 139 | $this->ensureDirectory($path = $this->pathFor($key)); | |
| 140 | ||
| 141 | $file = new File($path, null, true); | |
| 142 | ||
| 143 | $payload = ($expires ?? 0) . '|' . serialize($value); | |
| 144 | ||
| 145 | return $file->write($payload); | |
| 146 | } | |
| 147 | ||
| 148 | /** | |
| 149 | * @inheritDoc | |
| 150 | */ | |
| 151 | public function delete(string $key): bool | |
| 152 | { | |
| 153 | $this->validateKey($key); | |
| 154 | ||
| 155 | $file = new File($this->pathFor($key), null, true); | |
| 156 | ||
| 157 | if (!$file->exists()) { | |
| 158 | return true; | |
| 159 | } | |
| 160 | ||
| 161 | return $file->delete(); | |
| 162 | } | |
| 163 | ||
| 164 | /** | |
| 165 | * @inheritDoc | |
| 166 | */ | |
| 167 | public function clear(): bool | |
| 168 | { | |
| 169 | if (!is_dir($this->directory)) { | |
| 170 | return true; | |
| 171 | } | |
| 172 | ||
| 173 | // Delete the entire cache tree, including the root directory and any | |
| 174 | // shard subdirectories. The directory is recreated lazily on the next | |
| 175 | // write via {@see ensureDirectory()}. | |
| 176 | return (new Folder($this->directory, true))->delete(); | |
| 177 | } | |
| 178 | ||
| 179 | /** | |
| 180 | * @inheritDoc | |
| 181 | */ | |
| 182 | public function has(string $key): bool | |
| 183 | { | |
| 184 | $this->validateKey($key); | |
| 185 | ||
| 186 | $file = new File($this->pathFor($key), null, true); | |
| 187 | ||
| 188 | if (!$file->exists()) { | |
| 189 | return false; | |
| 190 | } | |
| 191 | ||
| 192 | $contents = $file->getContents(); | |
| 193 | $separator = strpos($contents, '|'); | |
| 194 | ||
| 195 | if ($separator === false) { | |
| 196 | return false; | |
| 197 | } | |
| 198 | ||
| 199 | $expires = (int) substr($contents, 0, $separator); | |
| 200 | ||
| 201 | if ($expires !== 0 && $expires <= time()) { | |
| 202 | $file->delete(); | |
| 203 | return false; | |
| 204 | } | |
| 205 | ||
| 206 | return true; | |
| 207 | } | |
| 208 | } |
Inherited from Lucent\Cache\Cache
| 45 | public function setDefaultTtl(?int $ttl): void | |
| 46 | { | |
| 47 | $this->defaultTtl = $ttl; | |
| 48 | } |
| 55 | public function getDefaultTtl(): ?int | |
| 56 | { | |
| 57 | return $this->defaultTtl; | |
| 58 | } |
| 69 | protected function resolveTtl(null|int|DateInterval $ttl): null|int|DateInterval | |
| 70 | { | |
| 71 | return $ttl ?? $this->defaultTtl; | |
| 72 | } |
| 89 | protected function validateKey(mixed $key): void | |
| 90 | { | |
| 91 | if (!is_string($key) || preg_match('/^[A-Za-z0-9_.]{1,512}$/', $key) !== 1) { | |
| 92 | throw new InvalidArgumentException($key); | |
| 93 | } | |
| 94 | } |
| 102 | protected function expiryFromTtl(null|int|DateInterval $ttl): ?int | |
| 103 | { | |
| 104 | if ($ttl === null) { | |
| 105 | return null; | |
| 106 | } | |
| 107 | ||
| 108 | if ($ttl instanceof DateInterval) { | |
| 109 | $ttl = (new \DateTimeImmutable())->add($ttl)->getTimestamp() - time(); | |
| 110 | } | |
| 111 | ||
| 112 | if ($ttl <= 0) { | |
| 113 | // Already expired: return a timestamp in the past so the item is | |
| 114 | // treated as stale and removed rather than stored. | |
| 115 | return time() - 1; | |
| 116 | } | |
| 117 | ||
| 118 | return time() + $ttl; | |
| 119 | } |
| 124 | public function getMultiple(iterable $keys, mixed $default = null): iterable | |
| 125 | { | |
| 126 | $result = []; | |
| 127 | ||
| 128 | foreach ($keys as $key) { | |
| 129 | $this->validateKey($key); | |
| 130 | $result[$key] = $this->get($key, $default); | |
| 131 | } | |
| 132 | ||
| 133 | return $result; | |
| 134 | } |
| 139 | public function setMultiple(iterable $values, null|int|DateInterval $ttl = null): bool | |
| 140 | { | |
| 141 | $success = true; | |
| 142 | ||
| 143 | foreach ($values as $key => $value) { | |
| 144 | $this->validateKey($key); | |
| 145 | if (!$this->set($key, $value, $ttl)) { | |
| 146 | $success = false; | |
| 147 | } | |
| 148 | } | |
| 149 | ||
| 150 | return $success; | |
| 151 | } |
| 156 | public function deleteMultiple(iterable $keys): bool | |
| 157 | { | |
| 158 | $success = true; | |
| 159 | ||
| 160 | foreach ($keys as $key) { | |
| 161 | $this->validateKey($key); | |
| 162 | if (!$this->delete($key)) { | |
| 163 | $success = false; | |
| 164 | } | |
| 165 | } | |
| 166 | ||
| 167 | return $success; | |
| 168 | } |