nextcloud /
server
| Total Complexity | 147 |
| Total Lines | 1084 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like Cache often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Cache, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 76 | class Cache implements ICache { |
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| 77 | use MoveFromCacheTrait { |
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| 78 | MoveFromCacheTrait::moveFromCache as moveFromCacheFallback; |
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| 79 | } |
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| 80 | |||
| 81 | /** |
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| 82 | * @var array partial data for the cache |
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| 83 | */ |
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| 84 | protected $partial = []; |
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| 85 | |||
| 86 | /** |
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| 87 | * @var string |
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| 88 | */ |
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| 89 | protected $storageId; |
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| 90 | |||
| 91 | private $storage; |
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| 92 | |||
| 93 | /** |
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| 94 | * @var Storage $storageCache |
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| 95 | */ |
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| 96 | protected $storageCache; |
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| 97 | |||
| 98 | /** @var IMimeTypeLoader */ |
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| 99 | protected $mimetypeLoader; |
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| 100 | |||
| 101 | /** |
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| 102 | * @var IDBConnection |
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| 103 | */ |
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| 104 | protected $connection; |
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| 105 | |||
| 106 | /** |
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| 107 | * @var IEventDispatcher |
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| 108 | */ |
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| 109 | protected $eventDispatcher; |
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| 110 | |||
| 111 | /** @var QuerySearchHelper */ |
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| 112 | protected $querySearchHelper; |
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| 113 | |||
| 114 | /** |
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| 115 | * @param IStorage $storage |
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| 116 | */ |
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| 117 | public function __construct(IStorage $storage) { |
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| 118 | $this->storageId = $storage->getId(); |
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| 119 | $this->storage = $storage; |
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| 120 | if (strlen($this->storageId) > 64) { |
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| 121 | $this->storageId = md5($this->storageId); |
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| 122 | } |
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| 123 | |||
| 124 | $this->storageCache = new Storage($storage); |
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| 125 | $this->mimetypeLoader = \OC::$server->getMimeTypeLoader(); |
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| 126 | $this->connection = \OC::$server->getDatabaseConnection(); |
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| 127 | $this->eventDispatcher = \OC::$server->get(IEventDispatcher::class); |
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| 128 | $this->querySearchHelper = \OC::$server->query(QuerySearchHelper::class); |
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| 129 | } |
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| 130 | |||
| 131 | protected function getQueryBuilder() { |
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| 132 | return new CacheQueryBuilder( |
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| 133 | $this->connection, |
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| 134 | \OC::$server->getSystemConfig(), |
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| 135 | \OC::$server->get(LoggerInterface::class) |
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| 136 | ); |
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| 137 | } |
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| 138 | |||
| 139 | /** |
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| 140 | * Get the numeric storage id for this cache's storage |
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| 141 | * |
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| 142 | * @return int |
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| 143 | */ |
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| 144 | public function getNumericStorageId() { |
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| 145 | return $this->storageCache->getNumericId(); |
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| 146 | } |
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| 147 | |||
| 148 | /** |
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| 149 | * get the stored metadata of a file or folder |
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| 150 | * |
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| 151 | * @param string | int $file either the path of a file or folder or the file id for a file or folder |
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| 152 | * @return ICacheEntry|false the cache entry as array of false if the file is not found in the cache |
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| 153 | */ |
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| 154 | public function get($file) { |
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| 155 | $query = $this->getQueryBuilder(); |
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| 156 | $query->selectFileCache(); |
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| 157 | |||
| 158 | if (is_string($file) || $file == '') { |
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| 159 | // normalize file |
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| 160 | $file = $this->normalize($file); |
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| 161 | |||
| 162 | $query->whereStorageId($this->getNumericStorageId()) |
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| 163 | ->wherePath($file); |
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| 164 | } else { //file id |
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| 165 | $query->whereFileId($file); |
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| 166 | } |
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| 167 | |||
| 168 | $result = $query->execute(); |
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| 169 | $data = $result->fetch(); |
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| 170 | $result->closeCursor(); |
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| 171 | |||
| 172 | //merge partial data |
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| 173 | if (!$data && is_string($file) && isset($this->partial[$file])) { |
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| 174 | return $this->partial[$file]; |
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| 175 | } elseif (!$data) { |
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| 176 | return $data; |
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| 177 | } else { |
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| 178 | return self::cacheEntryFromData($data, $this->mimetypeLoader); |
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| 179 | } |
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| 180 | } |
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| 181 | |||
| 182 | /** |
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| 183 | * Create a CacheEntry from database row |
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| 184 | * |
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| 185 | * @param array $data |
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| 186 | * @param IMimeTypeLoader $mimetypeLoader |
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| 187 | * @return CacheEntry |
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| 188 | */ |
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| 189 | public static function cacheEntryFromData($data, IMimeTypeLoader $mimetypeLoader) { |
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| 190 | //fix types |
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| 191 | $data['name'] = (string)$data['name']; |
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| 192 | $data['path'] = (string)$data['path']; |
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| 193 | $data['fileid'] = (int)$data['fileid']; |
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| 194 | $data['parent'] = (int)$data['parent']; |
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| 195 | $data['size'] = Util::numericToNumber($data['size']); |
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| 196 | $data['unencrypted_size'] = Util::numericToNumber($data['unencrypted_size'] ?? 0); |
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| 197 | $data['mtime'] = (int)$data['mtime']; |
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| 198 | $data['storage_mtime'] = (int)$data['storage_mtime']; |
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| 199 | $data['encryptedVersion'] = (int)$data['encrypted']; |
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| 200 | $data['encrypted'] = (bool)$data['encrypted']; |
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| 201 | $data['storage_id'] = $data['storage']; |
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| 202 | $data['storage'] = (int)$data['storage']; |
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| 203 | $data['mimetype'] = $mimetypeLoader->getMimetypeById($data['mimetype']); |
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| 204 | $data['mimepart'] = $mimetypeLoader->getMimetypeById($data['mimepart']); |
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| 205 | if ($data['storage_mtime'] == 0) { |
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| 206 | $data['storage_mtime'] = $data['mtime']; |
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| 207 | } |
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| 208 | $data['permissions'] = (int)$data['permissions']; |
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| 209 | if (isset($data['creation_time'])) { |
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| 210 | $data['creation_time'] = (int)$data['creation_time']; |
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| 211 | } |
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| 212 | if (isset($data['upload_time'])) { |
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| 213 | $data['upload_time'] = (int)$data['upload_time']; |
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| 214 | } |
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| 215 | return new CacheEntry($data); |
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| 216 | } |
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| 217 | |||
| 218 | /** |
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| 219 | * get the metadata of all files stored in $folder |
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| 220 | * |
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| 221 | * @param string $folder |
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| 222 | * @return ICacheEntry[] |
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| 223 | */ |
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| 224 | public function getFolderContents($folder) { |
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| 225 | $fileId = $this->getId($folder); |
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| 226 | return $this->getFolderContentsById($fileId); |
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| 227 | } |
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| 228 | |||
| 229 | /** |
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| 230 | * get the metadata of all files stored in $folder |
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| 231 | * |
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| 232 | * @param int $fileId the file id of the folder |
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| 233 | * @return ICacheEntry[] |
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| 234 | */ |
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| 235 | public function getFolderContentsById($fileId) { |
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| 236 | if ($fileId > -1) { |
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| 237 | $query = $this->getQueryBuilder(); |
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| 238 | $query->selectFileCache() |
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| 239 | ->whereParent($fileId) |
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| 240 | ->orderBy('name', 'ASC'); |
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| 241 | |||
| 242 | $result = $query->execute(); |
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| 243 | $files = $result->fetchAll(); |
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| 244 | $result->closeCursor(); |
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| 245 | |||
| 246 | return array_map(function (array $data) { |
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| 247 | return self::cacheEntryFromData($data, $this->mimetypeLoader); |
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| 248 | }, $files); |
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| 249 | } |
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| 250 | return []; |
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| 251 | } |
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| 252 | |||
| 253 | /** |
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| 254 | * insert or update meta data for a file or folder |
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| 255 | * |
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| 256 | * @param string $file |
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| 257 | * @param array $data |
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| 258 | * |
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| 259 | * @return int file id |
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| 260 | * @throws \RuntimeException |
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| 261 | */ |
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| 262 | public function put($file, array $data) { |
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| 263 | if (($id = $this->getId($file)) > -1) { |
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| 264 | $this->update($id, $data); |
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| 265 | return $id; |
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| 266 | } else { |
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| 267 | return $this->insert($file, $data); |
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| 268 | } |
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| 269 | } |
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| 270 | |||
| 271 | /** |
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| 272 | * insert meta data for a new file or folder |
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| 273 | * |
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| 274 | * @param string $file |
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| 275 | * @param array $data |
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| 276 | * |
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| 277 | * @return int file id |
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| 278 | * @throws \RuntimeException |
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| 279 | */ |
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| 280 | public function insert($file, array $data) { |
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| 281 | // normalize file |
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| 282 | $file = $this->normalize($file); |
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| 283 | |||
| 284 | if (isset($this->partial[$file])) { //add any saved partial data |
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| 285 | $data = array_merge($this->partial[$file], $data); |
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| 286 | unset($this->partial[$file]); |
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| 287 | } |
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| 288 | |||
| 289 | $requiredFields = ['size', 'mtime', 'mimetype']; |
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| 290 | foreach ($requiredFields as $field) { |
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| 291 | if (!isset($data[$field])) { //data not complete save as partial and return |
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| 292 | $this->partial[$file] = $data; |
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| 293 | return -1; |
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| 294 | } |
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| 295 | } |
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| 296 | |||
| 297 | $data['path'] = $file; |
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| 298 | if (!isset($data['parent'])) { |
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| 299 | $data['parent'] = $this->getParentId($file); |
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| 300 | } |
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| 301 | $data['name'] = basename($file); |
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| 302 | |||
| 303 | [$values, $extensionValues] = $this->normalizeData($data); |
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| 304 | $storageId = $this->getNumericStorageId(); |
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| 305 | $values['storage'] = $storageId; |
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| 306 | |||
| 307 | try { |
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| 308 | $builder = $this->connection->getQueryBuilder(); |
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| 309 | $builder->insert('filecache'); |
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| 310 | |||
| 311 | foreach ($values as $column => $value) { |
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| 312 | $builder->setValue($column, $builder->createNamedParameter($value)); |
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| 313 | } |
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| 314 | |||
| 315 | if ($builder->execute()) { |
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| 316 | $fileId = $builder->getLastInsertId(); |
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| 317 | |||
| 318 | if (count($extensionValues)) { |
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| 319 | $query = $this->getQueryBuilder(); |
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| 320 | $query->insert('filecache_extended'); |
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| 321 | |||
| 322 | $query->setValue('fileid', $query->createNamedParameter($fileId, IQueryBuilder::PARAM_INT)); |
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| 323 | foreach ($extensionValues as $column => $value) { |
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| 324 | $query->setValue($column, $query->createNamedParameter($value)); |
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| 325 | } |
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| 326 | $query->execute(); |
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| 327 | } |
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| 328 | |||
| 329 | $event = new CacheEntryInsertedEvent($this->storage, $file, $fileId, $storageId); |
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| 330 | $this->eventDispatcher->dispatch(CacheInsertEvent::class, $event); |
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| 331 | $this->eventDispatcher->dispatchTyped($event); |
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| 332 | return $fileId; |
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| 333 | } |
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| 334 | } catch (UniqueConstraintViolationException $e) { |
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| 335 | // entry exists already |
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| 336 | if ($this->connection->inTransaction()) { |
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| 337 | $this->connection->commit(); |
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| 338 | $this->connection->beginTransaction(); |
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| 339 | } |
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| 340 | } |
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| 341 | |||
| 342 | // The file was created in the mean time |
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| 343 | if (($id = $this->getId($file)) > -1) { |
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| 344 | $this->update($id, $data); |
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| 345 | return $id; |
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| 346 | } else { |
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| 347 | throw new \RuntimeException('File entry could not be inserted but could also not be selected with getId() in order to perform an update. Please try again.'); |
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| 348 | } |
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| 349 | } |
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| 350 | |||
| 351 | /** |
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| 352 | * update the metadata of an existing file or folder in the cache |
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| 353 | * |
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| 354 | * @param int $id the fileid of the existing file or folder |
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| 355 | * @param array $data [$key => $value] the metadata to update, only the fields provided in the array will be updated, non-provided values will remain unchanged |
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| 356 | */ |
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| 357 | public function update($id, array $data) { |
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| 358 | if (isset($data['path'])) { |
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| 359 | // normalize path |
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| 360 | $data['path'] = $this->normalize($data['path']); |
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| 361 | } |
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| 362 | |||
| 363 | if (isset($data['name'])) { |
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| 364 | // normalize path |
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| 365 | $data['name'] = $this->normalize($data['name']); |
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| 366 | } |
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| 367 | |||
| 368 | [$values, $extensionValues] = $this->normalizeData($data); |
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| 369 | |||
| 370 | if (count($values)) { |
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| 371 | $query = $this->getQueryBuilder(); |
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| 372 | |||
| 373 | $query->update('filecache') |
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| 374 | ->whereFileId($id) |
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| 375 | ->andWhere($query->expr()->orX(...array_map(function ($key, $value) use ($query) { |
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| 376 | return $query->expr()->orX( |
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| 377 | $query->expr()->neq($key, $query->createNamedParameter($value)), |
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| 378 | $query->expr()->isNull($key) |
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| 379 | ); |
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| 380 | }, array_keys($values), array_values($values)))); |
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| 381 | |||
| 382 | foreach ($values as $key => $value) { |
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| 383 | $query->set($key, $query->createNamedParameter($value)); |
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| 384 | } |
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| 385 | |||
| 386 | $query->execute(); |
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| 387 | } |
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| 388 | |||
| 389 | if (count($extensionValues)) { |
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| 390 | try { |
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| 391 | $query = $this->getQueryBuilder(); |
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| 392 | $query->insert('filecache_extended'); |
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| 393 | |||
| 394 | $query->setValue('fileid', $query->createNamedParameter($id, IQueryBuilder::PARAM_INT)); |
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| 395 | foreach ($extensionValues as $column => $value) { |
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| 396 | $query->setValue($column, $query->createNamedParameter($value)); |
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| 397 | } |
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| 398 | |||
| 399 | $query->execute(); |
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| 400 | } catch (UniqueConstraintViolationException $e) { |
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| 401 | $query = $this->getQueryBuilder(); |
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| 402 | $query->update('filecache_extended') |
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| 403 | ->whereFileId($id) |
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| 404 | ->andWhere($query->expr()->orX(...array_map(function ($key, $value) use ($query) { |
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| 405 | return $query->expr()->orX( |
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| 406 | $query->expr()->neq($key, $query->createNamedParameter($value)), |
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| 407 | $query->expr()->isNull($key) |
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| 408 | ); |
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| 409 | }, array_keys($extensionValues), array_values($extensionValues)))); |
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| 410 | |||
| 411 | foreach ($extensionValues as $key => $value) { |
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| 412 | $query->set($key, $query->createNamedParameter($value)); |
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| 413 | } |
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| 414 | |||
| 415 | $query->execute(); |
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| 416 | } |
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| 417 | } |
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| 418 | |||
| 419 | $path = $this->getPathById($id); |
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| 420 | // path can still be null if the file doesn't exist |
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| 421 | if ($path !== null) { |
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| 422 | $event = new CacheEntryUpdatedEvent($this->storage, $path, $id, $this->getNumericStorageId()); |
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| 423 | $this->eventDispatcher->dispatch(CacheUpdateEvent::class, $event); |
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| 424 | $this->eventDispatcher->dispatchTyped($event); |
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| 425 | } |
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| 426 | } |
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| 427 | |||
| 428 | /** |
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| 429 | * extract query parts and params array from data array |
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| 430 | * |
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| 431 | * @param array $data |
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| 432 | * @return array |
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| 433 | */ |
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| 434 | protected function normalizeData(array $data): array { |
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| 435 | $fields = [ |
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| 436 | 'path', 'parent', 'name', 'mimetype', 'size', 'mtime', 'storage_mtime', 'encrypted', |
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| 437 | 'etag', 'permissions', 'checksum', 'storage', 'unencrypted_size']; |
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| 438 | $extensionFields = ['metadata_etag', 'creation_time', 'upload_time']; |
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| 439 | |||
| 440 | $doNotCopyStorageMTime = false; |
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| 441 | if (array_key_exists('mtime', $data) && $data['mtime'] === null) { |
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| 442 | // this horrific magic tells it to not copy storage_mtime to mtime |
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| 443 | unset($data['mtime']); |
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| 444 | $doNotCopyStorageMTime = true; |
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| 445 | } |
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| 446 | |||
| 447 | $params = []; |
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| 448 | $extensionParams = []; |
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| 449 | foreach ($data as $name => $value) { |
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| 450 | if (array_search($name, $fields) !== false) { |
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| 451 | if ($name === 'path') { |
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| 452 | $params['path_hash'] = md5($value); |
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| 453 | } elseif ($name === 'mimetype') { |
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| 454 | $params['mimepart'] = $this->mimetypeLoader->getId(substr($value, 0, strpos($value, '/'))); |
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| 455 | $value = $this->mimetypeLoader->getId($value); |
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| 456 | } elseif ($name === 'storage_mtime') { |
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| 457 | if (!$doNotCopyStorageMTime && !isset($data['mtime'])) { |
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| 458 | $params['mtime'] = $value; |
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| 459 | } |
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| 460 | } elseif ($name === 'encrypted') { |
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| 461 | if (isset($data['encryptedVersion'])) { |
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| 462 | $value = $data['encryptedVersion']; |
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| 463 | } else { |
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| 464 | // Boolean to integer conversion |
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| 465 | $value = $value ? 1 : 0; |
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| 466 | } |
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| 467 | } |
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| 468 | $params[$name] = $value; |
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| 469 | } |
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| 470 | if (array_search($name, $extensionFields) !== false) { |
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| 471 | $extensionParams[$name] = $value; |
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| 472 | } |
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| 473 | } |
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| 474 | return [$params, array_filter($extensionParams)]; |
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| 475 | } |
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| 476 | |||
| 477 | /** |
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| 478 | * get the file id for a file |
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| 479 | * |
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| 480 | * A file id is a numeric id for a file or folder that's unique within an owncloud instance which stays the same for the lifetime of a file |
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| 481 | * |
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| 482 | * File ids are easiest way for apps to store references to a file since unlike paths they are not affected by renames or sharing |
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| 483 | * |
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| 484 | * @param string $file |
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| 485 | * @return int |
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| 486 | */ |
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| 487 | public function getId($file) { |
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| 488 | // normalize file |
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| 489 | $file = $this->normalize($file); |
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| 490 | |||
| 491 | $query = $this->getQueryBuilder(); |
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| 492 | $query->select('fileid') |
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| 493 | ->from('filecache') |
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| 494 | ->whereStorageId($this->getNumericStorageId()) |
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| 495 | ->wherePath($file); |
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| 496 | |||
| 497 | $result = $query->execute(); |
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| 498 | $id = $result->fetchOne(); |
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| 499 | $result->closeCursor(); |
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| 500 | |||
| 501 | return $id === false ? -1 : (int)$id; |
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| 502 | } |
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| 503 | |||
| 504 | /** |
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| 505 | * get the id of the parent folder of a file |
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| 506 | * |
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| 507 | * @param string $file |
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| 508 | * @return int |
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| 509 | */ |
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| 510 | public function getParentId($file) { |
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| 516 | } |
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| 517 | } |
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| 518 | |||
| 519 | private function getParentPath($path) { |
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| 520 | $parent = dirname($path); |
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| 521 | if ($parent === '.') { |
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| 522 | $parent = ''; |
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| 523 | } |
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| 524 | return $parent; |
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| 525 | } |
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| 526 | |||
| 527 | /** |
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| 528 | * check if a file is available in the cache |
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| 529 | * |
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| 530 | * @param string $file |
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| 531 | * @return bool |
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| 532 | */ |
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| 533 | public function inCache($file) { |
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| 535 | } |
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| 536 | |||
| 537 | /** |
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| 538 | * remove a file or folder from the cache |
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| 539 | * |
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| 540 | * when removing a folder from the cache all files and folders inside the folder will be removed as well |
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| 541 | * |
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| 542 | * @param string $file |
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| 543 | */ |
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| 544 | public function remove($file) { |
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| 563 | } |
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| 564 | } |
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| 565 | |||
| 566 | /** |
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| 567 | * Remove all children of a folder |
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| 568 | * |
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| 569 | * @param ICacheEntry $entry the cache entry of the folder to remove the children of |
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| 570 | * @throws \OC\DatabaseException |
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| 571 | */ |
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| 572 | private function removeChildren(ICacheEntry $entry) { |
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| 573 | $parentIds = [$entry->getId()]; |
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| 574 | $queue = [$entry->getId()]; |
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| 575 | $deletedIds = []; |
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| 576 | $deletedPaths = []; |
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| 577 | |||
| 578 | // we walk depth first through the file tree, removing all filecache_extended attributes while we walk |
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| 579 | // and collecting all folder ids to later use to delete the filecache entries |
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| 580 | while ($entryId = array_pop($queue)) { |
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| 581 | $children = $this->getFolderContentsById($entryId); |
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| 582 | $childIds = array_map(function (ICacheEntry $cacheEntry) { |
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| 583 | return $cacheEntry->getId(); |
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| 584 | }, $children); |
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| 585 | $childPaths = array_map(function (ICacheEntry $cacheEntry) { |
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| 586 | return $cacheEntry->getPath(); |
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| 587 | }, $children); |
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| 588 | |||
| 589 | $deletedIds = array_merge($deletedIds, $childIds); |
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| 590 | $deletedPaths = array_merge($deletedPaths, $childPaths); |
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| 591 | |||
| 592 | $query = $this->getQueryBuilder(); |
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| 593 | $query->delete('filecache_extended') |
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| 594 | ->where($query->expr()->in('fileid', $query->createParameter('childIds'))); |
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| 595 | |||
| 596 | foreach (array_chunk($childIds, 1000) as $childIdChunk) { |
||
| 597 | $query->setParameter('childIds', $childIdChunk, IQueryBuilder::PARAM_INT_ARRAY); |
||
| 598 | $query->execute(); |
||
| 599 | } |
||
| 600 | |||
| 601 | /** @var ICacheEntry[] $childFolders */ |
||
| 602 | $childFolders = array_filter($children, function ($child) { |
||
| 603 | return $child->getMimeType() == FileInfo::MIMETYPE_FOLDER; |
||
| 604 | }); |
||
| 605 | foreach ($childFolders as $folder) { |
||
| 606 | $parentIds[] = $folder->getId(); |
||
| 607 | $queue[] = $folder->getId(); |
||
| 608 | } |
||
| 609 | } |
||
| 610 | |||
| 611 | $query = $this->getQueryBuilder(); |
||
| 612 | $query->delete('filecache') |
||
| 613 | ->whereParentInParameter('parentIds'); |
||
| 614 | |||
| 615 | foreach (array_chunk($parentIds, 1000) as $parentIdChunk) { |
||
| 616 | $query->setParameter('parentIds', $parentIdChunk, IQueryBuilder::PARAM_INT_ARRAY); |
||
| 617 | $query->execute(); |
||
| 618 | } |
||
| 619 | |||
| 620 | foreach (array_combine($deletedIds, $deletedPaths) as $fileId => $filePath) { |
||
| 621 | $cacheEntryRemovedEvent = new CacheEntryRemovedEvent( |
||
| 622 | $this->storage, |
||
| 623 | $filePath, |
||
| 624 | $fileId, |
||
| 625 | $this->getNumericStorageId() |
||
| 626 | ); |
||
| 627 | $this->eventDispatcher->dispatchTyped($cacheEntryRemovedEvent); |
||
| 628 | } |
||
| 629 | } |
||
| 630 | |||
| 631 | /** |
||
| 632 | * Move a file or folder in the cache |
||
| 633 | * |
||
| 634 | * @param string $source |
||
| 635 | * @param string $target |
||
| 636 | */ |
||
| 637 | public function move($source, $target) { |
||
| 638 | $this->moveFromCache($this, $source, $target); |
||
| 639 | } |
||
| 640 | |||
| 641 | /** |
||
| 642 | * Get the storage id and path needed for a move |
||
| 643 | * |
||
| 644 | * @param string $path |
||
| 645 | * @return array [$storageId, $internalPath] |
||
| 646 | */ |
||
| 647 | protected function getMoveInfo($path) { |
||
| 648 | return [$this->getNumericStorageId(), $path]; |
||
| 649 | } |
||
| 650 | |||
| 651 | protected function hasEncryptionWrapper(): bool { |
||
| 652 | return $this->storage->instanceOfStorage(Encryption::class); |
||
| 653 | } |
||
| 654 | |||
| 655 | /** |
||
| 656 | * Move a file or folder in the cache |
||
| 657 | * |
||
| 658 | * @param ICache $sourceCache |
||
| 659 | * @param string $sourcePath |
||
| 660 | * @param string $targetPath |
||
| 661 | * @throws \OC\DatabaseException |
||
| 662 | * @throws \Exception if the given storages have an invalid id |
||
| 663 | */ |
||
| 664 | public function moveFromCache(ICache $sourceCache, $sourcePath, $targetPath) { |
||
| 665 | if ($sourceCache instanceof Cache) { |
||
| 666 | // normalize source and target |
||
| 667 | $sourcePath = $this->normalize($sourcePath); |
||
| 668 | $targetPath = $this->normalize($targetPath); |
||
| 669 | |||
| 670 | $sourceData = $sourceCache->get($sourcePath); |
||
| 671 | if ($sourceData === false) { |
||
| 672 | throw new \Exception('Invalid source storage path: ' . $sourcePath); |
||
| 673 | } |
||
| 674 | |||
| 675 | $sourceId = $sourceData['fileid']; |
||
| 676 | $newParentId = $this->getParentId($targetPath); |
||
| 677 | |||
| 678 | [$sourceStorageId, $sourcePath] = $sourceCache->getMoveInfo($sourcePath); |
||
| 679 | [$targetStorageId, $targetPath] = $this->getMoveInfo($targetPath); |
||
| 680 | |||
| 681 | if (is_null($sourceStorageId) || $sourceStorageId === false) { |
||
|
introduced
by
|
|||
| 682 | throw new \Exception('Invalid source storage id: ' . $sourceStorageId); |
||
| 683 | } |
||
| 684 | if (is_null($targetStorageId) || $targetStorageId === false) { |
||
| 685 | throw new \Exception('Invalid target storage id: ' . $targetStorageId); |
||
| 686 | } |
||
| 687 | |||
| 688 | $this->connection->beginTransaction(); |
||
| 689 | if ($sourceData['mimetype'] === 'httpd/unix-directory') { |
||
| 690 | //update all child entries |
||
| 691 | $sourceLength = mb_strlen($sourcePath); |
||
| 692 | $query = $this->connection->getQueryBuilder(); |
||
| 693 | |||
| 694 | $fun = $query->func(); |
||
| 695 | $newPathFunction = $fun->concat( |
||
| 696 | $query->createNamedParameter($targetPath), |
||
| 697 | $fun->substring('path', $query->createNamedParameter($sourceLength + 1, IQueryBuilder::PARAM_INT))// +1 for the leading slash |
||
| 698 | ); |
||
| 699 | $query->update('filecache') |
||
| 700 | ->set('storage', $query->createNamedParameter($targetStorageId, IQueryBuilder::PARAM_INT)) |
||
| 701 | ->set('path_hash', $fun->md5($newPathFunction)) |
||
| 702 | ->set('path', $newPathFunction) |
||
| 703 | ->where($query->expr()->eq('storage', $query->createNamedParameter($sourceStorageId, IQueryBuilder::PARAM_INT))) |
||
| 704 | ->andWhere($query->expr()->like('path', $query->createNamedParameter($this->connection->escapeLikeParameter($sourcePath) . '/%'))); |
||
| 705 | |||
| 706 | // when moving from an encrypted storage to a non-encrypted storage remove the `encrypted` mark |
||
| 707 | if ($sourceCache->hasEncryptionWrapper() && !$this->hasEncryptionWrapper()) { |
||
| 708 | $query->set('encrypted', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT)); |
||
| 709 | } |
||
| 710 | |||
| 711 | try { |
||
| 712 | $query->execute(); |
||
| 713 | } catch (\OC\DatabaseException $e) { |
||
| 714 | $this->connection->rollBack(); |
||
| 715 | throw $e; |
||
| 716 | } |
||
| 717 | } |
||
| 718 | |||
| 719 | $query = $this->getQueryBuilder(); |
||
| 720 | $query->update('filecache') |
||
| 721 | ->set('storage', $query->createNamedParameter($targetStorageId)) |
||
| 722 | ->set('path', $query->createNamedParameter($targetPath)) |
||
| 723 | ->set('path_hash', $query->createNamedParameter(md5($targetPath))) |
||
| 724 | ->set('name', $query->createNamedParameter(basename($targetPath))) |
||
| 725 | ->set('parent', $query->createNamedParameter($newParentId, IQueryBuilder::PARAM_INT)) |
||
| 726 | ->whereFileId($sourceId); |
||
| 727 | |||
| 728 | // when moving from an encrypted storage to a non-encrypted storage remove the `encrypted` mark |
||
| 729 | if ($sourceCache->hasEncryptionWrapper() && !$this->hasEncryptionWrapper()) { |
||
| 730 | $query->set('encrypted', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT)); |
||
| 731 | } |
||
| 732 | |||
| 733 | $query->execute(); |
||
| 734 | |||
| 735 | $this->connection->commit(); |
||
| 736 | |||
| 737 | if ($sourceCache->getNumericStorageId() !== $this->getNumericStorageId()) { |
||
| 738 | $this->eventDispatcher->dispatchTyped(new CacheEntryRemovedEvent($this->storage, $sourcePath, $sourceId, $sourceCache->getNumericStorageId())); |
||
| 739 | $event = new CacheEntryInsertedEvent($this->storage, $targetPath, $sourceId, $this->getNumericStorageId()); |
||
| 740 | $this->eventDispatcher->dispatch(CacheInsertEvent::class, $event); |
||
| 741 | $this->eventDispatcher->dispatchTyped($event); |
||
| 742 | } else { |
||
| 743 | $event = new CacheEntryUpdatedEvent($this->storage, $targetPath, $sourceId, $this->getNumericStorageId()); |
||
| 744 | $this->eventDispatcher->dispatch(CacheUpdateEvent::class, $event); |
||
| 745 | $this->eventDispatcher->dispatchTyped($event); |
||
| 746 | } |
||
| 747 | } else { |
||
| 748 | $this->moveFromCacheFallback($sourceCache, $sourcePath, $targetPath); |
||
| 749 | } |
||
| 750 | } |
||
| 751 | |||
| 752 | /** |
||
| 753 | * remove all entries for files that are stored on the storage from the cache |
||
| 754 | */ |
||
| 755 | public function clear() { |
||
| 756 | $query = $this->getQueryBuilder(); |
||
| 757 | $query->delete('filecache') |
||
| 758 | ->whereStorageId($this->getNumericStorageId()); |
||
| 759 | $query->execute(); |
||
| 760 | |||
| 761 | $query = $this->connection->getQueryBuilder(); |
||
| 762 | $query->delete('storages') |
||
| 763 | ->where($query->expr()->eq('id', $query->createNamedParameter($this->storageId))); |
||
| 764 | $query->execute(); |
||
| 765 | } |
||
| 766 | |||
| 767 | /** |
||
| 768 | * Get the scan status of a file |
||
| 769 | * |
||
| 770 | * - Cache::NOT_FOUND: File is not in the cache |
||
| 771 | * - Cache::PARTIAL: File is not stored in the cache but some incomplete data is known |
||
| 772 | * - Cache::SHALLOW: The folder and it's direct children are in the cache but not all sub folders are fully scanned |
||
| 773 | * - Cache::COMPLETE: The file or folder, with all it's children) are fully scanned |
||
| 774 | * |
||
| 775 | * @param string $file |
||
| 776 | * |
||
| 777 | * @return int Cache::NOT_FOUND, Cache::PARTIAL, Cache::SHALLOW or Cache::COMPLETE |
||
| 778 | */ |
||
| 779 | public function getStatus($file) { |
||
| 780 | // normalize file |
||
| 781 | $file = $this->normalize($file); |
||
| 782 | |||
| 783 | $query = $this->getQueryBuilder(); |
||
| 784 | $query->select('size') |
||
| 785 | ->from('filecache') |
||
| 786 | ->whereStorageId($this->getNumericStorageId()) |
||
| 787 | ->wherePath($file); |
||
| 788 | |||
| 789 | $result = $query->execute(); |
||
| 790 | $size = $result->fetchOne(); |
||
| 791 | $result->closeCursor(); |
||
| 792 | |||
| 793 | if ($size !== false) { |
||
| 794 | if ((int)$size === -1) { |
||
| 795 | return self::SHALLOW; |
||
| 796 | } else { |
||
| 797 | return self::COMPLETE; |
||
| 798 | } |
||
| 799 | } else { |
||
| 800 | if (isset($this->partial[$file])) { |
||
| 801 | return self::PARTIAL; |
||
| 802 | } else { |
||
| 803 | return self::NOT_FOUND; |
||
| 804 | } |
||
| 805 | } |
||
| 806 | } |
||
| 807 | |||
| 808 | /** |
||
| 809 | * search for files matching $pattern |
||
| 810 | * |
||
| 811 | * @param string $pattern the search pattern using SQL search syntax (e.g. '%searchstring%') |
||
| 812 | * @return ICacheEntry[] an array of cache entries where the name matches the search pattern |
||
| 813 | */ |
||
| 814 | public function search($pattern) { |
||
| 815 | $operator = new SearchComparison(ISearchComparison::COMPARE_LIKE, 'name', $pattern); |
||
| 816 | return $this->searchQuery(new SearchQuery($operator, 0, 0, [], null)); |
||
| 817 | } |
||
| 818 | |||
| 819 | /** |
||
| 820 | * search for files by mimetype |
||
| 821 | * |
||
| 822 | * @param string $mimetype either a full mimetype to search ('text/plain') or only the first part of a mimetype ('image') |
||
| 823 | * where it will search for all mimetypes in the group ('image/*') |
||
| 824 | * @return ICacheEntry[] an array of cache entries where the mimetype matches the search |
||
| 825 | */ |
||
| 826 | public function searchByMime($mimetype) { |
||
| 827 | if (!str_contains($mimetype, '/')) { |
||
| 828 | $operator = new SearchComparison(ISearchComparison::COMPARE_LIKE, 'mimetype', $mimetype . '/%'); |
||
| 829 | } else { |
||
| 830 | $operator = new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'mimetype', $mimetype); |
||
| 831 | } |
||
| 832 | return $this->searchQuery(new SearchQuery($operator, 0, 0, [], null)); |
||
| 833 | } |
||
| 834 | |||
| 835 | public function searchQuery(ISearchQuery $searchQuery) { |
||
| 836 | return current($this->querySearchHelper->searchInCaches($searchQuery, [$this])); |
||
| 837 | } |
||
| 838 | |||
| 839 | /** |
||
| 840 | * Re-calculate the folder size and the size of all parent folders |
||
| 841 | * |
||
| 842 | * @param string|boolean $path |
||
| 843 | * @param array $data (optional) meta data of the folder |
||
| 844 | */ |
||
| 845 | public function correctFolderSize($path, $data = null, $isBackgroundScan = false) { |
||
| 846 | $this->calculateFolderSize($path, $data); |
||
| 847 | if ($path !== '') { |
||
| 848 | $parent = dirname($path); |
||
| 849 | if ($parent === '.' || $parent === '/') { |
||
| 850 | $parent = ''; |
||
| 851 | } |
||
| 852 | if ($isBackgroundScan) { |
||
| 853 | $parentData = $this->get($parent); |
||
| 854 | if ($parentData['size'] !== -1 && $this->getIncompleteChildrenCount($parentData['fileid']) === 0) { |
||
| 855 | $this->correctFolderSize($parent, $parentData, $isBackgroundScan); |
||
| 856 | } |
||
| 857 | } else { |
||
| 858 | $this->correctFolderSize($parent); |
||
| 859 | } |
||
| 860 | } |
||
| 861 | } |
||
| 862 | |||
| 863 | /** |
||
| 864 | * get the incomplete count that shares parent $folder |
||
| 865 | * |
||
| 866 | * @param int $fileId the file id of the folder |
||
| 867 | * @return int |
||
| 868 | */ |
||
| 869 | public function getIncompleteChildrenCount($fileId) { |
||
| 870 | if ($fileId > -1) { |
||
| 871 | $query = $this->getQueryBuilder(); |
||
| 872 | $query->select($query->func()->count()) |
||
| 873 | ->from('filecache') |
||
| 874 | ->whereParent($fileId) |
||
| 875 | ->andWhere($query->expr()->lt('size', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT))); |
||
| 876 | |||
| 877 | $result = $query->execute(); |
||
| 878 | $size = (int)$result->fetchOne(); |
||
| 879 | $result->closeCursor(); |
||
| 880 | |||
| 881 | return $size; |
||
| 882 | } |
||
| 883 | return -1; |
||
| 884 | } |
||
| 885 | |||
| 886 | /** |
||
| 887 | * calculate the size of a folder and set it in the cache |
||
| 888 | * |
||
| 889 | * @param string $path |
||
| 890 | * @param array|null|ICacheEntry $entry (optional) meta data of the folder |
||
| 891 | * @return int|float |
||
| 892 | */ |
||
| 893 | public function calculateFolderSize($path, $entry = null) { |
||
| 894 | return $this->calculateFolderSizeInner($path, $entry); |
||
| 895 | } |
||
| 896 | |||
| 897 | |||
| 898 | /** |
||
| 899 | * inner function because we can't add new params to the public function without breaking any child classes |
||
| 900 | * |
||
| 901 | * @param string $path |
||
| 902 | * @param array|null|ICacheEntry $entry (optional) meta data of the folder |
||
| 903 | * @param bool $ignoreUnknown don't mark the folder size as unknown if any of it's children are unknown |
||
| 904 | * @return int|float |
||
| 905 | */ |
||
| 906 | protected function calculateFolderSizeInner(string $path, $entry = null, bool $ignoreUnknown = false) { |
||
| 907 | $totalSize = 0; |
||
| 908 | if (is_null($entry) || !isset($entry['fileid'])) { |
||
| 909 | $entry = $this->get($path); |
||
| 910 | } |
||
| 911 | if (isset($entry['mimetype']) && $entry['mimetype'] === FileInfo::MIMETYPE_FOLDER) { |
||
| 912 | $id = $entry['fileid']; |
||
| 913 | |||
| 914 | $query = $this->getQueryBuilder(); |
||
| 915 | $query->select('size', 'unencrypted_size') |
||
| 916 | ->from('filecache') |
||
| 917 | ->whereParent($id); |
||
| 918 | if ($ignoreUnknown) { |
||
| 919 | $query->andWhere($query->expr()->gte('size', $query->createNamedParameter(0))); |
||
| 920 | } |
||
| 921 | |||
| 922 | $result = $query->execute(); |
||
| 923 | $rows = $result->fetchAll(); |
||
| 924 | $result->closeCursor(); |
||
| 925 | |||
| 926 | if ($rows) { |
||
| 927 | $sizes = array_map(function (array $row) { |
||
| 928 | return Util::numericToNumber($row['size']); |
||
| 929 | }, $rows); |
||
| 930 | $unencryptedOnlySizes = array_map(function (array $row) { |
||
| 931 | return Util::numericToNumber($row['unencrypted_size']); |
||
| 932 | }, $rows); |
||
| 933 | $unencryptedSizes = array_map(function (array $row) { |
||
| 934 | return Util::numericToNumber(($row['unencrypted_size'] > 0) ? $row['unencrypted_size'] : $row['size']); |
||
| 935 | }, $rows); |
||
| 936 | |||
| 937 | $sum = array_sum($sizes); |
||
| 938 | $min = min($sizes); |
||
| 939 | |||
| 940 | $unencryptedSum = array_sum($unencryptedSizes); |
||
| 941 | $unencryptedMin = min($unencryptedSizes); |
||
| 942 | $unencryptedMax = max($unencryptedOnlySizes); |
||
| 943 | |||
| 944 | $sum = 0 + $sum; |
||
| 945 | $min = 0 + $min; |
||
| 946 | if ($min === -1) { |
||
| 947 | $totalSize = $min; |
||
| 948 | } else { |
||
| 949 | $totalSize = $sum; |
||
| 950 | } |
||
| 951 | if ($unencryptedMin === -1 || $min === -1) { |
||
| 952 | $unencryptedTotal = $unencryptedMin; |
||
| 953 | } else { |
||
| 954 | $unencryptedTotal = $unencryptedSum; |
||
| 955 | } |
||
| 956 | } else { |
||
| 957 | $totalSize = 0; |
||
| 958 | $unencryptedTotal = 0; |
||
| 959 | $unencryptedMax = 0; |
||
| 960 | } |
||
| 961 | |||
| 962 | // only set unencrypted size for a folder if any child entries have it set, or the folder is empty |
||
| 963 | $shouldWriteUnEncryptedSize = $unencryptedMax > 0 || $totalSize === 0 || $entry['unencrypted_size'] > 0; |
||
| 964 | if ($entry['size'] !== $totalSize || ($entry['unencrypted_size'] !== $unencryptedTotal && $shouldWriteUnEncryptedSize)) { |
||
| 965 | if ($shouldWriteUnEncryptedSize) { |
||
| 966 | // if all children have an unencrypted size of 0, just set the folder unencrypted size to 0 instead of summing the sizes |
||
| 967 | if ($unencryptedMax === 0) { |
||
| 968 | $unencryptedTotal = 0; |
||
| 969 | } |
||
| 970 | |||
| 971 | $this->update($id, [ |
||
| 972 | 'size' => $totalSize, |
||
| 973 | 'unencrypted_size' => $unencryptedTotal, |
||
| 974 | ]); |
||
| 975 | } else { |
||
| 976 | $this->update($id, [ |
||
| 977 | 'size' => $totalSize, |
||
| 978 | ]); |
||
| 979 | } |
||
| 980 | } |
||
| 981 | } |
||
| 982 | return $totalSize; |
||
| 983 | } |
||
| 984 | |||
| 985 | /** |
||
| 986 | * get all file ids on the files on the storage |
||
| 987 | * |
||
| 988 | * @return int[] |
||
| 989 | */ |
||
| 990 | public function getAll() { |
||
| 991 | $query = $this->getQueryBuilder(); |
||
| 992 | $query->select('fileid') |
||
| 993 | ->from('filecache') |
||
| 994 | ->whereStorageId($this->getNumericStorageId()); |
||
| 995 | |||
| 996 | $result = $query->execute(); |
||
| 997 | $files = $result->fetchAll(\PDO::FETCH_COLUMN); |
||
| 998 | $result->closeCursor(); |
||
| 999 | |||
| 1000 | return array_map(function ($id) { |
||
| 1001 | return (int)$id; |
||
| 1002 | }, $files); |
||
| 1003 | } |
||
| 1004 | |||
| 1005 | /** |
||
| 1006 | * find a folder in the cache which has not been fully scanned |
||
| 1007 | * |
||
| 1008 | * If multiple incomplete folders are in the cache, the one with the highest id will be returned, |
||
| 1009 | * use the one with the highest id gives the best result with the background scanner, since that is most |
||
| 1010 | * likely the folder where we stopped scanning previously |
||
| 1011 | * |
||
| 1012 | * @return string|false the path of the folder or false when no folder matched |
||
| 1013 | */ |
||
| 1014 | public function getIncomplete() { |
||
| 1015 | $query = $this->getQueryBuilder(); |
||
| 1016 | $query->select('path') |
||
| 1017 | ->from('filecache') |
||
| 1018 | ->whereStorageId($this->getNumericStorageId()) |
||
| 1019 | ->andWhere($query->expr()->lt('size', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT))) |
||
| 1020 | ->orderBy('fileid', 'DESC') |
||
| 1021 | ->setMaxResults(1); |
||
| 1022 | |||
| 1023 | $result = $query->execute(); |
||
| 1024 | $path = $result->fetchOne(); |
||
| 1025 | $result->closeCursor(); |
||
| 1026 | |||
| 1027 | if ($path === false) { |
||
| 1028 | return false; |
||
| 1029 | } |
||
| 1030 | |||
| 1031 | // Make sure Oracle does not continue with null for empty strings |
||
| 1032 | return (string)$path; |
||
| 1033 | } |
||
| 1034 | |||
| 1035 | /** |
||
| 1036 | * get the path of a file on this storage by it's file id |
||
| 1037 | * |
||
| 1038 | * @param int $id the file id of the file or folder to search |
||
| 1039 | * @return string|null the path of the file (relative to the storage) or null if a file with the given id does not exists within this cache |
||
| 1040 | */ |
||
| 1041 | public function getPathById($id) { |
||
| 1042 | $query = $this->getQueryBuilder(); |
||
| 1043 | $query->select('path') |
||
| 1044 | ->from('filecache') |
||
| 1045 | ->whereStorageId($this->getNumericStorageId()) |
||
| 1046 | ->whereFileId($id); |
||
| 1047 | |||
| 1048 | $result = $query->execute(); |
||
| 1049 | $path = $result->fetchOne(); |
||
| 1050 | $result->closeCursor(); |
||
| 1051 | |||
| 1052 | if ($path === false) { |
||
| 1053 | return null; |
||
| 1054 | } |
||
| 1055 | |||
| 1056 | return (string)$path; |
||
| 1057 | } |
||
| 1058 | |||
| 1059 | /** |
||
| 1060 | * get the storage id of the storage for a file and the internal path of the file |
||
| 1061 | * unlike getPathById this does not limit the search to files on this storage and |
||
| 1062 | * instead does a global search in the cache table |
||
| 1063 | * |
||
| 1064 | * @param int $id |
||
| 1065 | * @return array first element holding the storage id, second the path |
||
| 1066 | * @deprecated use getPathById() instead |
||
| 1067 | */ |
||
| 1068 | public static function getById($id) { |
||
| 1069 | $query = \OC::$server->getDatabaseConnection()->getQueryBuilder(); |
||
| 1070 | $query->select('path', 'storage') |
||
| 1071 | ->from('filecache') |
||
| 1072 | ->where($query->expr()->eq('fileid', $query->createNamedParameter($id, IQueryBuilder::PARAM_INT))); |
||
| 1073 | |||
| 1074 | $result = $query->execute(); |
||
| 1075 | $row = $result->fetch(); |
||
| 1076 | $result->closeCursor(); |
||
| 1077 | |||
| 1078 | if ($row) { |
||
| 1079 | $numericId = $row['storage']; |
||
| 1080 | $path = $row['path']; |
||
| 1081 | } else { |
||
| 1082 | return null; |
||
| 1083 | } |
||
| 1084 | |||
| 1085 | if ($id = Storage::getStorageId($numericId)) { |
||
| 1086 | return [$id, $path]; |
||
| 1087 | } else { |
||
| 1088 | return null; |
||
| 1089 | } |
||
| 1090 | } |
||
| 1091 | |||
| 1092 | /** |
||
| 1093 | * normalize the given path |
||
| 1094 | * |
||
| 1095 | * @param string $path |
||
| 1096 | * @return string |
||
| 1097 | */ |
||
| 1098 | public function normalize($path) { |
||
| 1099 | return trim(\OC_Util::normalizeUnicode($path), '/'); |
||
| 1100 | } |
||
| 1101 | |||
| 1102 | /** |
||
| 1103 | * Copy a file or folder in the cache |
||
| 1104 | * |
||
| 1105 | * @param ICache $sourceCache |
||
| 1106 | * @param ICacheEntry $sourceEntry |
||
| 1107 | * @param string $targetPath |
||
| 1108 | * @return int fileId of copied entry |
||
| 1109 | */ |
||
| 1110 | public function copyFromCache(ICache $sourceCache, ICacheEntry $sourceEntry, string $targetPath): int { |
||
| 1133 | } |
||
| 1134 | |||
| 1135 | private function cacheEntryToArray(ICacheEntry $entry): array { |
||
| 1136 | return [ |
||
| 1137 | 'size' => $entry->getSize(), |
||
| 1138 | 'mtime' => $entry->getMTime(), |
||
| 1139 | 'storage_mtime' => $entry->getStorageMTime(), |
||
| 1140 | 'mimetype' => $entry->getMimeType(), |
||
| 1141 | 'mimepart' => $entry->getMimePart(), |
||
| 1142 | 'etag' => $entry->getEtag(), |
||
| 1143 | 'permissions' => $entry->getPermissions(), |
||
| 1144 | 'encrypted' => $entry->isEncrypted(), |
||
| 1145 | 'creation_time' => $entry->getCreationTime(), |
||
| 1146 | 'upload_time' => $entry->getUploadTime(), |
||
| 1147 | 'metadata_etag' => $entry->getMetadataEtag(), |
||
| 1148 | ]; |
||
| 1149 | } |
||
| 1150 | |||
| 1151 | public function getQueryFilterForStorage(): ISearchOperator { |
||
| 1153 | } |
||
| 1154 | |||
| 1155 | public function getCacheEntryFromSearchResult(ICacheEntry $rawEntry): ?ICacheEntry { |
||
| 1156 | if ($rawEntry->getStorageId() === $this->getNumericStorageId()) { |
||
| 1157 | return $rawEntry; |
||
| 1158 | } else { |
||
| 1159 | return null; |
||
| 1160 | } |
||
| 1161 | } |
||
| 1162 | } |
||
| 1163 |
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