nextcloud /
server
| Total Complexity | 110 |
| Total Lines | 580 |
| Duplicated Lines | 0 % |
| Changes | 4 | ||
| Bugs | 2 | Features | 0 |
Complex classes like OC_Helper 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 OC_Helper, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 58 | class OC_Helper { |
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| 59 | private static $templateManager; |
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| 60 | |||
| 61 | /** |
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| 62 | * Make a human file size |
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| 63 | * @param int|float $bytes file size in bytes |
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| 64 | * @return string a human readable file size |
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| 65 | * |
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| 66 | * Makes 2048 to 2 kB. |
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| 67 | */ |
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| 68 | public static function humanFileSize(int|float $bytes): string { |
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| 69 | if ($bytes < 0) { |
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| 70 | return "?"; |
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| 71 | } |
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| 72 | if ($bytes < 1024) { |
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| 73 | return "$bytes B"; |
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| 74 | } |
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| 75 | $bytes = round($bytes / 1024, 0); |
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| 76 | if ($bytes < 1024) { |
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| 77 | return "$bytes KB"; |
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| 78 | } |
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| 79 | $bytes = round($bytes / 1024, 1); |
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| 80 | if ($bytes < 1024) { |
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| 81 | return "$bytes MB"; |
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| 82 | } |
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| 83 | $bytes = round($bytes / 1024, 1); |
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| 84 | if ($bytes < 1024) { |
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| 85 | return "$bytes GB"; |
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| 86 | } |
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| 87 | $bytes = round($bytes / 1024, 1); |
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| 88 | if ($bytes < 1024) { |
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| 89 | return "$bytes TB"; |
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| 90 | } |
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| 91 | |||
| 92 | $bytes = round($bytes / 1024, 1); |
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| 93 | return "$bytes PB"; |
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| 94 | } |
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| 95 | |||
| 96 | /** |
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| 97 | * Make a computer file size |
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| 98 | * @param string $str file size in human readable format |
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| 99 | * @return false|int|float a file size in bytes |
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| 100 | * |
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| 101 | * Makes 2kB to 2048. |
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| 102 | * |
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| 103 | * Inspired by: https://www.php.net/manual/en/function.filesize.php#92418 |
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| 104 | */ |
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| 105 | public static function computerFileSize(string $str): false|int|float { |
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| 106 | $str = strtolower($str); |
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| 107 | if (is_numeric($str)) { |
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| 108 | return Util::numericToNumber($str); |
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| 109 | } |
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| 110 | |||
| 111 | $bytes_array = [ |
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| 112 | 'b' => 1, |
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| 113 | 'k' => 1024, |
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| 114 | 'kb' => 1024, |
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| 115 | 'mb' => 1024 * 1024, |
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| 116 | 'm' => 1024 * 1024, |
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| 117 | 'gb' => 1024 * 1024 * 1024, |
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| 118 | 'g' => 1024 * 1024 * 1024, |
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| 119 | 'tb' => 1024 * 1024 * 1024 * 1024, |
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| 120 | 't' => 1024 * 1024 * 1024 * 1024, |
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| 121 | 'pb' => 1024 * 1024 * 1024 * 1024 * 1024, |
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| 122 | 'p' => 1024 * 1024 * 1024 * 1024 * 1024, |
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| 123 | ]; |
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| 124 | |||
| 125 | $bytes = (float)$str; |
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| 126 | |||
| 127 | if (preg_match('#([kmgtp]?b?)$#si', $str, $matches) && !empty($bytes_array[$matches[1]])) { |
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| 128 | $bytes *= $bytes_array[$matches[1]]; |
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| 129 | } else { |
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| 130 | return false; |
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| 131 | } |
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| 132 | |||
| 133 | return Util::numericToNumber(round($bytes)); |
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| 134 | } |
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| 135 | |||
| 136 | /** |
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| 137 | * Recursive copying of folders |
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| 138 | * @param string $src source folder |
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| 139 | * @param string $dest target folder |
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| 140 | * @return void |
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| 141 | */ |
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| 142 | public static function copyr($src, $dest) { |
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| 143 | if (is_dir($src)) { |
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| 144 | if (!is_dir($dest)) { |
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| 145 | mkdir($dest); |
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| 146 | } |
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| 147 | $files = scandir($src); |
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| 148 | foreach ($files as $file) { |
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| 149 | if ($file != "." && $file != "..") { |
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| 150 | self::copyr("$src/$file", "$dest/$file"); |
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| 151 | } |
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| 152 | } |
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| 153 | } elseif (file_exists($src) && !\OC\Files\Filesystem::isFileBlacklisted($src)) { |
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| 154 | copy($src, $dest); |
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| 155 | } |
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| 156 | } |
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| 157 | |||
| 158 | /** |
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| 159 | * Recursive deletion of folders |
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| 160 | * @param string $dir path to the folder |
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| 161 | * @param bool $deleteSelf if set to false only the content of the folder will be deleted |
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| 162 | * @return bool |
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| 163 | */ |
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| 164 | public static function rmdirr($dir, $deleteSelf = true) { |
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| 165 | if (is_dir($dir)) { |
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| 166 | $files = new RecursiveIteratorIterator( |
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| 167 | new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS), |
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| 168 | RecursiveIteratorIterator::CHILD_FIRST |
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| 169 | ); |
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| 170 | |||
| 171 | foreach ($files as $fileInfo) { |
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| 172 | /** @var SplFileInfo $fileInfo */ |
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| 173 | if ($fileInfo->isLink()) { |
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| 174 | unlink($fileInfo->getPathname()); |
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| 175 | } elseif ($fileInfo->isDir()) { |
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| 176 | rmdir($fileInfo->getRealPath()); |
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| 177 | } else { |
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| 178 | unlink($fileInfo->getRealPath()); |
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| 179 | } |
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| 180 | } |
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| 181 | if ($deleteSelf) { |
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| 182 | rmdir($dir); |
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| 183 | } |
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| 184 | } elseif (file_exists($dir)) { |
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| 185 | if ($deleteSelf) { |
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| 186 | unlink($dir); |
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| 187 | } |
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| 188 | } |
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| 189 | if (!$deleteSelf) { |
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| 190 | return true; |
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| 191 | } |
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| 192 | |||
| 193 | return !file_exists($dir); |
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| 194 | } |
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| 195 | |||
| 196 | /** |
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| 197 | * @deprecated 18.0.0 |
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| 198 | * @return \OC\Files\Type\TemplateManager |
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| 199 | */ |
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| 200 | public static function getFileTemplateManager() { |
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| 201 | if (!self::$templateManager) { |
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| 202 | self::$templateManager = new \OC\Files\Type\TemplateManager(); |
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|
Deprecated Code
introduced
by
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| 203 | } |
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| 204 | return self::$templateManager; |
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| 205 | } |
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| 206 | |||
| 207 | /** |
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| 208 | * detect if a given program is found in the search PATH |
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| 209 | * |
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| 210 | * @param string $name |
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| 211 | * @param bool $path |
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| 212 | * @internal param string $program name |
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| 213 | * @internal param string $optional search path, defaults to $PATH |
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| 214 | * @return bool true if executable program found in path |
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| 215 | */ |
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| 216 | public static function canExecute($name, $path = false) { |
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| 217 | // path defaults to PATH from environment if not set |
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| 218 | if ($path === false) { |
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| 219 | $path = getenv("PATH"); |
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| 220 | } |
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| 221 | // we look for an executable file of that name |
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| 222 | $exts = [""]; |
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| 223 | $check_fn = "is_executable"; |
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| 224 | // Default check will be done with $path directories : |
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| 225 | $dirs = explode(PATH_SEPARATOR, $path); |
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| 226 | // WARNING : We have to check if open_basedir is enabled : |
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| 227 | $obd = OC::$server->get(IniGetWrapper::class)->getString('open_basedir'); |
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| 228 | if ($obd != "none") { |
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| 229 | $obd_values = explode(PATH_SEPARATOR, $obd); |
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| 230 | if (count($obd_values) > 0 and $obd_values[0]) { |
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| 231 | // open_basedir is in effect ! |
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| 232 | // We need to check if the program is in one of these dirs : |
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| 233 | $dirs = $obd_values; |
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| 234 | } |
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| 235 | } |
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| 236 | foreach ($dirs as $dir) { |
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| 237 | foreach ($exts as $ext) { |
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| 238 | if ($check_fn("$dir/$name" . $ext)) { |
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| 239 | return true; |
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| 240 | } |
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| 241 | } |
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| 242 | } |
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| 243 | return false; |
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| 244 | } |
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| 245 | |||
| 246 | /** |
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| 247 | * copy the contents of one stream to another |
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| 248 | * |
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| 249 | * @param resource $source |
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| 250 | * @param resource $target |
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| 251 | * @return array the number of bytes copied and result |
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| 252 | */ |
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| 253 | public static function streamCopy($source, $target) { |
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| 254 | if (!$source or !$target) { |
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| 255 | return [0, false]; |
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| 256 | } |
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| 257 | $bufSize = 8192; |
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| 258 | $result = true; |
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| 259 | $count = 0; |
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| 260 | while (!feof($source)) { |
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| 261 | $buf = fread($source, $bufSize); |
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| 262 | $bytesWritten = fwrite($target, $buf); |
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| 263 | if ($bytesWritten !== false) { |
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| 264 | $count += $bytesWritten; |
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| 265 | } |
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| 266 | // note: strlen is expensive so only use it when necessary, |
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| 267 | // on the last block |
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| 268 | if ($bytesWritten === false |
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| 269 | || ($bytesWritten < $bufSize && $bytesWritten < strlen($buf)) |
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| 270 | ) { |
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| 271 | // write error, could be disk full ? |
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| 272 | $result = false; |
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| 273 | break; |
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| 274 | } |
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| 275 | } |
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| 276 | return [$count, $result]; |
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| 277 | } |
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| 278 | |||
| 279 | /** |
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| 280 | * Adds a suffix to the name in case the file exists |
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| 281 | * |
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| 282 | * @param string $path |
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| 283 | * @param string $filename |
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| 284 | * @return string |
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| 285 | */ |
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| 286 | public static function buildNotExistingFileName($path, $filename) { |
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| 287 | $view = \OC\Files\Filesystem::getView(); |
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| 288 | return self::buildNotExistingFileNameForView($path, $filename, $view); |
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| 289 | } |
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| 290 | |||
| 291 | /** |
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| 292 | * Adds a suffix to the name in case the file exists |
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| 293 | * |
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| 294 | * @param string $path |
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| 295 | * @param string $filename |
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| 296 | * @return string |
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| 297 | */ |
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| 298 | public static function buildNotExistingFileNameForView($path, $filename, \OC\Files\View $view) { |
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| 299 | if ($path === '/') { |
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| 300 | $path = ''; |
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| 301 | } |
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| 302 | if ($pos = strrpos($filename, '.')) { |
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| 303 | $name = substr($filename, 0, $pos); |
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| 304 | $ext = substr($filename, $pos); |
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| 305 | } else { |
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| 306 | $name = $filename; |
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| 307 | $ext = ''; |
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| 308 | } |
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| 309 | |||
| 310 | $newpath = $path . '/' . $filename; |
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| 311 | if ($view->file_exists($newpath)) { |
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| 312 | if (preg_match_all('/\((\d+)\)/', $name, $matches, PREG_OFFSET_CAPTURE)) { |
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| 313 | //Replace the last "(number)" with "(number+1)" |
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| 314 | $last_match = count($matches[0]) - 1; |
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| 315 | $counter = $matches[1][$last_match][0] + 1; |
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| 316 | $offset = $matches[0][$last_match][1]; |
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| 317 | $match_length = strlen($matches[0][$last_match][0]); |
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| 318 | } else { |
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| 319 | $counter = 2; |
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| 320 | $match_length = 0; |
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| 321 | $offset = false; |
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| 322 | } |
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| 323 | do { |
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| 324 | if ($offset) { |
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| 325 | //Replace the last "(number)" with "(number+1)" |
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| 326 | $newname = substr_replace($name, '(' . $counter . ')', $offset, $match_length); |
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| 327 | } else { |
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| 328 | $newname = $name . ' (' . $counter . ')'; |
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| 329 | } |
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| 330 | $newpath = $path . '/' . $newname . $ext; |
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| 331 | $counter++; |
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| 332 | } while ($view->file_exists($newpath)); |
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| 333 | } |
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| 334 | |||
| 335 | return $newpath; |
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| 336 | } |
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| 337 | |||
| 338 | /** |
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| 339 | * Returns an array with all keys from input lowercased or uppercased. Numbered indices are left as is. |
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| 340 | * |
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| 341 | * @param array $input The array to work on |
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| 342 | * @param int $case Either MB_CASE_UPPER or MB_CASE_LOWER (default) |
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| 343 | * @param string $encoding The encoding parameter is the character encoding. Defaults to UTF-8 |
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| 344 | * @return array |
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| 345 | * |
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| 346 | * Returns an array with all keys from input lowercased or uppercased. Numbered indices are left as is. |
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| 347 | * based on https://www.php.net/manual/en/function.array-change-key-case.php#107715 |
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| 348 | * |
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| 349 | */ |
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| 350 | public static function mb_array_change_key_case($input, $case = MB_CASE_LOWER, $encoding = 'UTF-8') { |
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| 357 | } |
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| 358 | |||
| 359 | /** |
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| 360 | * performs a search in a nested array |
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| 361 | * @param array $haystack the array to be searched |
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| 362 | * @param string $needle the search string |
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| 363 | * @param mixed $index optional, only search this key name |
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| 364 | * @return mixed the key of the matching field, otherwise false |
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| 365 | * |
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| 366 | * performs a search in a nested array |
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| 367 | * |
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| 368 | * taken from https://www.php.net/manual/en/function.array-search.php#97645 |
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| 369 | */ |
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| 370 | public static function recursiveArraySearch($haystack, $needle, $index = null) { |
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| 371 | $aIt = new RecursiveArrayIterator($haystack); |
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| 372 | $it = new RecursiveIteratorIterator($aIt); |
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| 373 | |||
| 374 | while ($it->valid()) { |
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| 375 | if (((isset($index) and ($it->key() == $index)) or !isset($index)) and ($it->current() == $needle)) { |
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| 376 | return $aIt->key(); |
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| 377 | } |
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| 378 | |||
| 379 | $it->next(); |
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| 380 | } |
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| 381 | |||
| 382 | return false; |
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| 383 | } |
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| 384 | |||
| 385 | /** |
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| 386 | * calculates the maximum upload size respecting system settings, free space and user quota |
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| 387 | * |
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| 388 | * @param string $dir the current folder where the user currently operates |
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| 389 | * @param int|float $freeSpace the number of bytes free on the storage holding $dir, if not set this will be received from the storage directly |
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| 390 | * @return int|float number of bytes representing |
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| 391 | */ |
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| 392 | public static function maxUploadFilesize($dir, $freeSpace = null) { |
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| 393 | if (is_null($freeSpace) || $freeSpace < 0) { |
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| 394 | $freeSpace = self::freeSpace($dir); |
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| 395 | } |
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| 396 | return min($freeSpace, self::uploadLimit()); |
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| 397 | } |
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| 398 | |||
| 399 | /** |
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| 400 | * Calculate free space left within user quota |
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| 401 | * |
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| 402 | * @param string $dir the current folder where the user currently operates |
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| 403 | * @return int|float number of bytes representing |
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| 404 | */ |
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| 405 | public static function freeSpace($dir) { |
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| 412 | } |
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| 413 | } |
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| 414 | |||
| 415 | /** |
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| 416 | * Calculate PHP upload limit |
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| 417 | * |
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| 418 | * @return int|float PHP upload file size limit |
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| 419 | */ |
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| 420 | public static function uploadLimit() { |
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| 430 | } |
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| 431 | } |
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| 432 | |||
| 433 | /** |
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| 434 | * Checks if a function is available |
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| 435 | * |
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| 436 | * @deprecated Since 25.0.0 use \OCP\Util::isFunctionEnabled instead |
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| 437 | */ |
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| 438 | public static function is_function_enabled(string $function_name): bool { |
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| 439 | return \OCP\Util::isFunctionEnabled($function_name); |
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| 440 | } |
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| 441 | |||
| 442 | /** |
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| 443 | * Try to find a program |
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| 444 | * @deprecated Since 25.0.0 Use \OC\BinaryFinder directly |
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| 445 | */ |
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| 446 | public static function findBinaryPath(string $program): ?string { |
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| 449 | } |
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| 450 | |||
| 451 | /** |
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| 452 | * Calculate the disc space for the given path |
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| 453 | * |
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| 454 | * BEWARE: this requires that Util::setupFS() was called |
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| 455 | * already ! |
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| 456 | * |
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| 457 | * @param string $path |
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| 458 | * @param \OCP\Files\FileInfo $rootInfo (optional) |
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| 459 | * @param bool $includeMountPoints whether to include mount points in the size calculation |
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| 460 | * @param bool $useCache whether to use the cached quota values |
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| 461 | * @return array |
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| 462 | * @throws \OCP\Files\NotFoundException |
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| 463 | */ |
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| 464 | public static function getStorageInfo($path, $rootInfo = null, $includeMountPoints = true, $useCache = true) { |
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| 465 | /** @var ICacheFactory $cacheFactory */ |
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| 466 | $cacheFactory = \OC::$server->get(ICacheFactory::class); |
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| 467 | $memcache = $cacheFactory->createLocal('storage_info'); |
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| 468 | |||
| 469 | // return storage info without adding mount points |
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| 470 | $includeExtStorage = \OC::$server->getSystemConfig()->getValue('quota_include_external_storage', false); |
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| 471 | |||
| 472 | $view = Filesystem::getView(); |
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| 473 | if (!$view) { |
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| 474 | throw new \OCP\Files\NotFoundException(); |
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| 475 | } |
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| 476 | $fullPath = Filesystem::normalizePath($view->getAbsolutePath($path)); |
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| 477 | |||
| 478 | $cacheKey = $fullPath. '::' . ($includeMountPoints ? 'include' : 'exclude'); |
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| 479 | if ($useCache) { |
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| 480 | $cached = $memcache->get($cacheKey); |
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| 481 | if ($cached) { |
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| 482 | return $cached; |
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| 483 | } |
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| 484 | } |
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| 485 | |||
| 486 | if (!$rootInfo) { |
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| 487 | $rootInfo = \OC\Files\Filesystem::getFileInfo($path, $includeExtStorage ? 'ext' : false); |
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| 488 | } |
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| 489 | if (!$rootInfo instanceof \OCP\Files\FileInfo) { |
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| 490 | throw new \OCP\Files\NotFoundException(); |
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| 491 | } |
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| 492 | $used = $rootInfo->getSize($includeMountPoints); |
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| 493 | if ($used < 0) { |
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| 494 | $used = 0; |
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| 495 | } |
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| 496 | $quota = \OCP\Files\FileInfo::SPACE_UNLIMITED; |
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| 497 | $mount = $rootInfo->getMountPoint(); |
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| 498 | $storage = $mount->getStorage(); |
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| 499 | $sourceStorage = $storage; |
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| 500 | if ($storage->instanceOfStorage('\OCA\Files_Sharing\SharedStorage')) { |
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| 501 | $includeExtStorage = false; |
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| 502 | } |
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| 503 | if ($includeExtStorage) { |
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| 504 | if ($storage->instanceOfStorage('\OC\Files\Storage\Home') |
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| 505 | || $storage->instanceOfStorage('\OC\Files\ObjectStore\HomeObjectStoreStorage') |
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| 506 | ) { |
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| 507 | /** @var \OC\Files\Storage\Home $storage */ |
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| 508 | $user = $storage->getUser(); |
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| 509 | } else { |
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| 510 | $user = \OC::$server->getUserSession()->getUser(); |
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| 511 | } |
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| 512 | $quota = OC_Util::getUserQuota($user); |
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| 513 | if ($quota !== \OCP\Files\FileInfo::SPACE_UNLIMITED) { |
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| 514 | // always get free space / total space from root + mount points |
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| 515 | return self::getGlobalStorageInfo($quota, $user, $mount); |
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| 516 | } |
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| 517 | } |
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| 518 | |||
| 519 | // TODO: need a better way to get total space from storage |
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| 520 | if ($sourceStorage->instanceOfStorage('\OC\Files\Storage\Wrapper\Quota')) { |
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| 521 | /** @var \OC\Files\Storage\Wrapper\Quota $storage */ |
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| 522 | $quota = $sourceStorage->getQuota(); |
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| 523 | } |
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| 524 | try { |
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| 525 | $free = $sourceStorage->free_space($rootInfo->getInternalPath()); |
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| 526 | } catch (\Exception $e) { |
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| 527 | if ($path === "") { |
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| 528 | throw $e; |
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| 529 | } |
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| 530 | /** @var LoggerInterface $logger */ |
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| 531 | $logger = \OC::$server->get(LoggerInterface::class); |
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| 532 | $logger->warning("Error while getting quota info, using root quota", ['exception' => $e]); |
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| 533 | $rootInfo = self::getStorageInfo(""); |
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| 534 | $memcache->set($cacheKey, $rootInfo, 5 * 60); |
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| 535 | return $rootInfo; |
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| 536 | } |
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| 537 | if ($free >= 0) { |
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| 538 | $total = $free + $used; |
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| 539 | } else { |
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| 540 | $total = $free; //either unknown or unlimited |
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| 541 | } |
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| 542 | if ($total > 0) { |
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| 543 | if ($quota > 0 && $total > $quota) { |
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| 544 | $total = $quota; |
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| 545 | } |
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| 546 | // prevent division by zero or error codes (negative values) |
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| 547 | $relative = round(($used / $total) * 10000) / 100; |
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| 548 | } else { |
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| 549 | $relative = 0; |
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| 550 | } |
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| 551 | |||
| 552 | $ownerId = $storage->getOwner($path); |
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| 553 | $ownerDisplayName = ''; |
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| 554 | if ($ownerId) { |
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| 555 | $ownerDisplayName = \OC::$server->getUserManager()->getDisplayName($ownerId) ?? ''; |
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| 556 | } |
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| 557 | |||
| 558 | if (substr_count($mount->getMountPoint(), '/') < 3) { |
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| 559 | $mountPoint = ''; |
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| 560 | } else { |
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| 561 | [,,,$mountPoint] = explode('/', $mount->getMountPoint(), 4); |
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| 562 | } |
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| 563 | |||
| 564 | $info = [ |
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| 565 | 'free' => $free, |
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| 566 | 'used' => $used, |
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| 567 | 'quota' => $quota, |
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| 568 | 'total' => $total, |
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| 569 | 'relative' => $relative, |
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| 570 | 'owner' => $ownerId, |
||
| 571 | 'ownerDisplayName' => $ownerDisplayName, |
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| 572 | 'mountType' => $mount->getMountType(), |
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| 573 | 'mountPoint' => trim($mountPoint, '/'), |
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| 574 | ]; |
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| 575 | |||
| 576 | $memcache->set($cacheKey, $info, 5 * 60); |
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| 577 | |||
| 578 | return $info; |
||
| 579 | } |
||
| 580 | |||
| 581 | /** |
||
| 582 | * Get storage info including all mount points and quota |
||
| 583 | */ |
||
| 584 | private static function getGlobalStorageInfo(int|float $quota, IUser $user, IMountPoint $mount): array { |
||
| 620 | ]; |
||
| 621 | } |
||
| 622 | |||
| 623 | public static function clearStorageInfo(string $absolutePath): void { |
||
| 624 | /** @var ICacheFactory $cacheFactory */ |
||
| 625 | $cacheFactory = \OC::$server->get(ICacheFactory::class); |
||
| 626 | $memcache = $cacheFactory->createLocal('storage_info'); |
||
| 627 | $cacheKeyPrefix = Filesystem::normalizePath($absolutePath) . '::'; |
||
| 628 | $memcache->remove($cacheKeyPrefix . 'include'); |
||
| 629 | $memcache->remove($cacheKeyPrefix . 'exclude'); |
||
| 630 | } |
||
| 631 | |||
| 632 | /** |
||
| 633 | * Returns whether the config file is set manually to read-only |
||
| 634 | * @return bool |
||
| 635 | */ |
||
| 636 | public static function isReadOnlyConfigEnabled() { |
||
| 638 | } |
||
| 639 | } |
||
| 640 |
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