mambax7 /
xoopseditors
| Total Complexity | 96 |
| Total Lines | 626 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Complex classes like ImageManager 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 ImageManager, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 20 | class ImageManager |
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| 21 | { |
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| 22 | /** |
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| 23 | * Configuration array. |
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| 24 | */ |
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| 25 | public $config; |
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| 26 | |||
| 27 | /** |
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| 28 | * Array of directory information. |
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| 29 | */ |
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| 30 | public $dirs; |
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| 31 | |||
| 32 | /** |
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| 33 | * Constructor. Create a new Image Manager instance. |
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| 34 | * @param array $config configuration array, see config.inc.php |
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| 35 | */ |
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| 36 | public function __construct($config) |
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| 37 | { |
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| 38 | $this->config = $config; |
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| 39 | } |
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| 40 | |||
| 41 | /** |
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| 42 | * Get the images base directory. |
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| 43 | * @return string base dir, see config.inc.php |
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| 44 | */ |
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| 45 | public function getImagesDir() |
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| 46 | { |
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| 47 | Return $this->config['images_dir']; |
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| 48 | } |
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| 49 | |||
| 50 | /** |
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| 51 | * Get the images base URL. |
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| 52 | * @return string base url, see config.inc.php |
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| 53 | */ |
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| 54 | public function getImagesURL() |
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| 57 | } |
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| 58 | |||
| 59 | public function isValidBase() |
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| 60 | { |
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| 61 | return is_dir($this->getImagesDir()); |
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| 62 | } |
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| 63 | |||
| 64 | /** |
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| 65 | * Get the tmp file prefix. |
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| 66 | * @return string tmp file prefix. |
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| 67 | */ |
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| 68 | public function getTmpPrefix() |
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| 69 | { |
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| 70 | Return $this->config['tmp_prefix']; |
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| 71 | } |
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| 72 | |||
| 73 | /** |
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| 74 | * Get the sub directories in the base dir. |
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| 75 | * Each array element contain |
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| 76 | * the relative path (relative to the base dir) as key and the |
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| 77 | * full path as value. |
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| 78 | * @return array of sub directries |
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| 79 | * <code>array('path name' => 'full directory path', ...)</code> |
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| 80 | */ |
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| 81 | public function getDirs() |
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| 82 | { |
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| 83 | if (is_null($this->dirs)) { |
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| 84 | $dirs = $this->_dirs($this->getImagesDir(), '/'); |
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| 85 | ksort($dirs); |
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| 86 | $this->dirs = $dirs; |
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| 87 | } |
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| 88 | return $this->dirs; |
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| 89 | } |
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| 90 | |||
| 91 | /** |
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| 92 | * Recursively travese the directories to get a list |
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| 93 | * of accessable directories. |
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| 94 | * @param string $base the full path to the current directory |
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| 95 | * @param string $path the relative path name |
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| 96 | * @return array of accessiable sub-directories |
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| 97 | * <code>array('path name' => 'full directory path', ...)</code> |
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| 98 | */ |
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| 99 | public function _dirs($base, $path) |
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| 100 | { |
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| 101 | $base = Files::fixPath($base); |
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|
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| 102 | $dirs = []; |
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| 103 | |||
| 104 | if (false == $this->isValidBase()) { |
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| 105 | return $dirs; |
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| 106 | } |
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| 107 | |||
| 108 | $d = @dir($base); |
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| 109 | |||
| 110 | while (false !== ($entry = $d->read())) { |
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| 111 | //If it is a directory, and it doesn't start with |
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| 112 | // a dot, and if is it not the thumbnail directory |
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| 113 | if (is_dir($base . $entry) |
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| 114 | && '.' != substr($entry, 0, 1) |
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| 115 | && false == $this->isThumbDir($entry)) { |
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| 116 | $relative = Files::fixPath($path . $entry); |
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| 117 | $fullpath = Files::fixPath($base . $entry); |
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| 118 | $dirs[$relative] = $fullpath; |
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| 119 | $dirs = array_merge($dirs, $this->_dirs($fullpath, $relative)); |
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| 120 | } |
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| 121 | } |
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| 122 | $d->close(); |
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| 123 | |||
| 124 | Return $dirs; |
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| 125 | } |
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| 126 | |||
| 127 | /** |
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| 128 | * Get all the files and directories of a relative path. |
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| 129 | * @param string $path relative path to be base path. |
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| 130 | * @return array of file and path information. |
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| 131 | * <code>array(0=>array('relative'=>'fullpath',...), 1=>array('filename'=>fileinfo array(),...)</code> |
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| 132 | * fileinfo array: <code>array('url'=>'full url', |
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| 133 | * 'relative'=>'relative to base', |
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| 134 | * 'fullpath'=>'full file path', |
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| 135 | * 'image'=>imageInfo array() false if not image, |
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| 136 | * 'stat' => filestat)</code> |
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| 137 | */ |
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| 138 | public function getFiles($path) |
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| 139 | { |
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| 140 | $files = []; |
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| 141 | $dirs = []; |
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| 142 | |||
| 143 | if (false == $this->isValidBase()) { |
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| 144 | return [$files, $dirs]; |
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| 145 | } |
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| 146 | |||
| 147 | $path = Files::fixPath($path); |
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| 148 | $base = Files::fixPath($this->getImagesDir()); |
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| 149 | $fullpath = Files::makePath($base, $path); |
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| 150 | |||
| 151 | $d = @dir($fullpath); |
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| 152 | |||
| 153 | while (false !== ($entry = $d->read())) { |
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| 154 | //not a dot file or directory |
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| 155 | if ('.' != substr($entry, 0, 1)) { |
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| 156 | if (is_dir($fullpath . $entry) |
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| 157 | && false == $this->isThumbDir($entry)) { |
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| 158 | $relative = Files::fixPath($path . $entry); |
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| 159 | $full = Files::fixPath($fullpath . $entry); |
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| 160 | $count = $this->countFiles($full); |
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| 161 | $dirs[$relative] = ['fullpath' => $full, 'entry' => $entry, 'count' => $count]; |
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| 162 | } elseif (is_file($fullpath . $entry) && false == $this->isThumb($entry) && false == $this->isTmpFile($entry)) { |
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| 163 | $img = $this->getImageInfo($fullpath . $entry); |
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| 164 | |||
| 165 | if (!(!is_array($img) && $this->config['validate_images'])) { |
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| 166 | $file['url'] = Files::makePath($this->config['base_url'], $path) . $entry; |
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| 167 | $file['relative'] = $path . $entry; |
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| 168 | $file['fullpath'] = $fullpath . $entry; |
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| 169 | $file['image'] = $img; |
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| 170 | $file['stat'] = stat($fullpath . $entry); |
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| 171 | $files[$entry] = $file; |
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| 172 | } |
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| 173 | } |
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| 174 | } |
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| 175 | } |
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| 176 | $d->close(); |
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| 177 | ksort($dirs); |
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| 178 | ksort($files); |
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| 179 | |||
| 180 | Return [$dirs, $files]; |
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| 181 | } |
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| 182 | |||
| 183 | /** |
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| 184 | * Count the number of files and directories in a given folder |
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| 185 | * minus the thumbnail folders and thumbnails. |
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| 186 | */ |
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| 187 | public function countFiles($path) |
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| 188 | { |
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| 189 | $total = 0; |
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| 190 | |||
| 191 | if (is_dir($path)) { |
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| 192 | $d = @dir($path); |
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| 193 | |||
| 194 | while (false !== ($entry = $d->read())) { |
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| 195 | //echo $entry."<br>"; |
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| 196 | if ('.' != substr($entry, 0, 1) |
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| 197 | && false == $this->isThumbDir($entry) |
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| 198 | && false == $this->isTmpFile($entry) |
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| 199 | && false == $this->isThumb($entry)) { |
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| 200 | $total++; |
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| 201 | } |
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| 202 | } |
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| 203 | $d->close(); |
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| 204 | } |
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| 205 | return $total; |
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| 206 | } |
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| 207 | |||
| 208 | /** |
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| 209 | * Get image size information. |
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| 210 | * @param string $file the image file |
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| 211 | * @return array of getImageSize information, |
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| 212 | * false if the file is not an image. |
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| 213 | */ |
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| 214 | public function getImageInfo($file) |
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| 215 | { |
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| 216 | Return @getImageSize($file); |
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| 217 | } |
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| 218 | |||
| 219 | /** |
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| 220 | * Check if the file contains the thumbnail prefix. |
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| 221 | * @param string $file filename to be checked |
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| 222 | * @return true if the file contains the thumbnail prefix, false otherwise. |
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| 223 | */ |
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| 224 | public function isThumb($file) |
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| 231 | } |
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| 232 | } |
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| 233 | |||
| 234 | /** |
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| 235 | * Check if the given directory is a thumbnail directory. |
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| 236 | * @param string $entry directory name |
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| 237 | * @return true if it is a thumbnail directory, false otherwise |
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| 238 | */ |
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| 239 | public function isThumbDir($entry) |
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| 240 | { |
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| 241 | if (false == $this->config['thumbnail_dir'] |
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| 242 | || 0 == strlen(trim($this->config['thumbnail_dir']))) { |
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| 243 | Return false; |
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| 244 | } else { |
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| 245 | Return ($entry == $this->config['thumbnail_dir']); |
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| 246 | } |
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| 247 | } |
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| 248 | |||
| 249 | /** |
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| 250 | * Check if the given file is a tmp file. |
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| 251 | * @param string $file file name |
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| 252 | * @return bool true if it is a tmp file, false otherwise |
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| 253 | */ |
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| 254 | public function isTmpFile($file) |
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| 255 | { |
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| 256 | $len = strlen($this->config['tmp_prefix']); |
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| 257 | if (substr($file, 0, $len) == $this->config['tmp_prefix']) { |
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| 258 | Return true; |
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| 259 | } else { |
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| 260 | Return false; |
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| 261 | } |
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| 262 | } |
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| 263 | |||
| 264 | /** |
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| 265 | * For a given image file, get the respective thumbnail filename |
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| 266 | * no file existence check is done. |
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| 267 | * @param string $fullpathfile the full path to the image file |
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| 268 | * @return string of the thumbnail file |
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| 269 | */ |
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| 270 | public function getThumbName($fullpathfile) |
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| 271 | { |
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| 272 | $path_parts = pathinfo($fullpathfile); |
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| 273 | |||
| 274 | $thumbnail = $this->config['thumbnail_prefix'] . $path_parts['basename']; |
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| 275 | |||
| 276 | if (0 == strlen(trim($this->config['thumbnail_dir'])) || true == $this->config['safe_mode']) { |
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| 277 | Return Files::makeFile($path_parts['dirname'], $thumbnail); |
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| 278 | } else { |
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| 279 | $path = Files::makePath($path_parts['dirname'], $this->config['thumbnail_dir']); |
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| 280 | if (!is_dir($path)) { |
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| 281 | Files::createFolder($path); |
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| 282 | } |
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| 283 | Return Files::makeFile($path, $thumbnail); |
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| 284 | } |
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| 285 | } |
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| 286 | |||
| 287 | /** |
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| 288 | * Similar to getThumbName, but returns the URL, base on the |
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| 289 | * given base_url in config.inc.php |
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| 290 | * @param string $relative the relative image file name, |
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| 291 | * relative to the base_dir path |
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| 292 | * @return string the url of the thumbnail |
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| 293 | */ |
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| 294 | public function getThumbURL($relative) |
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| 295 | { |
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| 296 | _ddt(__FILE__, __LINE__, "getThumbURL(): relative is '$relative'"); |
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| 297 | |||
| 298 | $path_parts = pathinfo($relative); |
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| 299 | $thumbnail = $this->config['thumbnail_prefix'] . $path_parts['basename']; |
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| 300 | if ('\\' == $path_parts['dirname']) { |
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| 301 | $path_parts['dirname'] = '/'; |
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| 302 | } |
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| 303 | |||
| 304 | if (true == $this->config['safe_mode'] |
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| 305 | || 0 == strlen(trim($this->config['thumbnail_dir']))) { |
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| 306 | Return Files::makeFile($this->getImagesURL(), rawurlencode($thumbnail)); |
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| 307 | } else { |
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| 308 | if (strlen(trim($this->config['thumbnail_dir'])) > 0) { |
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| 309 | $path = Files::makePath($path_parts['dirname'], $this->config['thumbnail_dir']); |
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| 310 | $url_path = Files::makePath($this->getImagesURL(), $path); |
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| 311 | |||
| 312 | _ddt(__FILE__, __LINE__, "getThumbURL(): url_path is '$url_path'"); |
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| 313 | |||
| 314 | Return Files::makeFile($url_path, rawurlencode($thumbnail)); |
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| 315 | } else //should this ever happen? |
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| 316 | { |
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| 317 | //error_log('ImageManager: Error in creating thumbnail url'); |
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| 318 | } |
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| 319 | } |
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| 320 | } |
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| 321 | |||
| 322 | /** |
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| 323 | * For a given image file, get the respective resized filename |
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| 324 | * no file existence check is done. |
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| 325 | * @param string $fullpathfile the full path to the image file |
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| 326 | * @param int $width the intended width |
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| 327 | * @param int $height the intended height |
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| 328 | * @param bool $mkDir whether to attempt to make the resized_dir if it doesn't exist |
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| 329 | * @return string of the resized filename |
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| 330 | */ |
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| 331 | public function getResizedName($fullpathfile, $width, $height, $mkDir = true) |
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| 332 | { |
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| 333 | $path_parts = pathinfo($fullpathfile); |
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| 334 | |||
| 335 | $thumbnail = $this->config['resized_prefix'] . "_{$width}x{$height}_{$path_parts['basename']}"; |
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| 336 | |||
| 337 | if (0 == strlen(trim($this->config['resized_dir'])) || true == $this->config['safe_mode']) { |
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| 338 | Return Files::makeFile($path_parts['dirname'], $thumbnail); |
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| 339 | } else { |
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| 340 | $path = Files::makePath($path_parts['dirname'], $this->config['resized_dir']); |
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| 341 | if ($mkDir && !is_dir($path)) { |
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| 342 | Files::createFolder($path); |
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| 343 | } |
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| 344 | Return Files::makeFile($path, $thumbnail); |
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| 345 | } |
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| 346 | } |
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| 347 | |||
| 348 | /** |
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| 349 | * Check if the given path is part of the subdirectories |
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| 350 | * under the base_dir. |
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| 351 | * @param string $path the relative path to be checked |
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| 352 | * @return bool true if the path exists, false otherwise |
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| 353 | */ |
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| 354 | public function validRelativePath($path) |
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| 355 | { |
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| 356 | $dirs = $this->getDirs(); |
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| 357 | if ('/' == $path) { |
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| 358 | Return true; |
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| 359 | } |
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| 360 | //check the path given in the url against the |
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| 361 | //list of paths in the system. |
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| 362 | for ($i = 0; $i < count($dirs); $i++) { |
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| 363 | $key = key($dirs); |
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| 364 | //we found the path |
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| 365 | if ($key == $path) { |
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| 366 | Return true; |
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| 367 | } |
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| 368 | |||
| 369 | next($dirs); |
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| 370 | } |
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| 371 | Return false; |
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| 372 | } |
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| 373 | |||
| 374 | /** |
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| 375 | * Process uploaded files, assumes the file is in |
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| 376 | * $_FILES['upload'] and $_POST['dir'] is set. |
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| 377 | * The dir must be relative to the base_dir and exists. |
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| 378 | * If 'validate_images' is set to true, only file with |
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| 379 | * image dimensions will be accepted. |
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| 380 | * @return null |
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| 381 | */ |
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| 382 | public function processUploads() |
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| 399 | } |
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| 400 | } |
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| 401 | |||
| 402 | /** |
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| 403 | * Process upload files. The file must be an |
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| 404 | * uploaded file. If 'validate_images' is set to |
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| 405 | * true, only images will be processed. Any duplicate |
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| 406 | * file will be renamed. See Files::copyFile for details |
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| 407 | * on renaming. |
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| 408 | * @param string $relative the relative path where the file |
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| 409 | * should be copied to. |
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| 410 | * @param array $file the uploaded file from $_FILES |
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| 411 | * @return bool true if the file was processed successfully, |
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| 412 | * false otherwise |
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| 413 | */ |
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| 414 | public function _processFiles($relative, $file) |
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| 415 | { |
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| 416 | if (0 != $file['error']) { |
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| 417 | Return false; |
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| 418 | } |
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| 419 | |||
| 420 | if (!is_file($file['tmp_name'])) { |
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| 421 | Return false; |
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| 422 | } |
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| 423 | |||
| 424 | if (!is_uploaded_file($file['tmp_name'])) { |
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| 425 | Files::delFile($file['tmp_name']); |
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| 426 | Return false; |
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| 427 | } |
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| 428 | |||
| 429 | if (true == $this->config['validate_images']) { |
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| 430 | $imgInfo = @getImageSize($file['tmp_name']); |
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| 431 | if (!is_array($imgInfo)) { |
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| 432 | Files::delFile($file['tmp_name']); |
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| 433 | Return false; |
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| 434 | } |
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| 435 | } |
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| 436 | |||
| 437 | $valid_extensions = $this->config['allowed_image_extensions']; |
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| 438 | $afruext = strtolower(substr(strrchr($file['name'], '.'), 1)); |
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| 439 | if (!in_array($afruext, $valid_extensions)) { |
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| 440 | Files::delFile($file['tmp_name']); |
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| 441 | Return 'Cannot upload $extension=' . $afruext . '$ Files. Permission denied.'; |
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| 442 | } |
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| 443 | |||
| 444 | //now copy the file |
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| 445 | $path = Files::makePath($this->getImagesDir(), $relative); |
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| 446 | $result = Files::copyFile($file['tmp_name'], $path, $file['name']); |
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| 447 | |||
| 448 | //no copy error |
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| 449 | if (!is_int($result)) { |
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| 450 | Files::delFile($file['tmp_name']); |
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| 451 | Return true; |
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| 452 | } |
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| 453 | |||
| 454 | //delete tmp files. |
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| 455 | Files::delFile($file['tmp_name']); |
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| 456 | Return false; |
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| 457 | } |
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| 458 | |||
| 459 | /** |
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| 460 | * Get the URL of the relative file. |
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| 461 | * basically appends the relative file to the |
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| 462 | * base_url given in config.inc.php |
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| 463 | * @param string $relative a file the relative to the base_dir |
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| 464 | * @return string the URL of the relative file. |
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| 465 | */ |
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| 466 | public function getFileURL($relative) |
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| 467 | { |
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| 468 | Return Files::makeFile($this->getImagesURL(), $relative); |
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| 469 | } |
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| 470 | |||
| 471 | /** |
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| 472 | * Get the fullpath to a relative file. |
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| 473 | * @param string $relative the relative file. |
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| 474 | * @return string the full path, .ie. the base_dir + relative. |
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| 475 | */ |
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| 476 | public function getFullPath($relative) |
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| 477 | { |
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| 478 | Return Files::makeFile($this->getImagesDir(), $relative);; |
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| 479 | } |
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| 480 | |||
| 481 | /** |
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| 482 | * Get the default thumbnail. |
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| 483 | * @return string default thumbnail, empty string if |
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| 484 | * the thumbnail doesn't exist. |
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| 485 | */ |
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| 486 | public function getDefaultThumb() |
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| 487 | { |
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| 488 | // FIXME: hack |
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| 489 | |||
| 490 | Return $this->config['default_thumbnail']; |
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| 491 | |||
| 492 | if (is_file($this->config['default_thumbnail'])) { |
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| 493 | Return $this->config['default_thumbnail']; |
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| 494 | } else { |
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| 495 | Return ''; |
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| 496 | } |
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| 497 | } |
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| 498 | |||
| 499 | /** |
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| 500 | * Get the thumbnail url to be displayed. |
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| 501 | * If the thumbnail exists, and it is up-to-date |
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| 502 | * the thumbnail url will be returns. If the |
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| 503 | * file is not an image, a default image will be returned. |
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| 504 | * If it is an image file, and no thumbnail exists or |
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| 505 | * the thumbnail is out-of-date (i.e. the thumbnail |
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| 506 | * modified time is less than the original file) |
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| 507 | * then a thumbs.php?img=filename.jpg is returned. |
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| 508 | * The thumbs.php url will generate a new thumbnail |
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| 509 | * on the fly. If the image is less than the dimensions |
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| 510 | * of the thumbnails, the image will be display instead. |
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| 511 | * @param string $relative the relative image file. |
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| 512 | * @return string the url of the thumbnail, be it |
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| 513 | * actually thumbnail or a script to generate the |
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| 514 | * thumbnail on the fly. |
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| 515 | */ |
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| 516 | public function getThumbnail($relative) |
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| 517 | { |
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| 518 | global $IMConfig; |
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| 519 | |||
| 520 | _ddt(__FILE__, __LINE__, "getThumbnail(): top with '$relative'"); |
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| 521 | |||
| 522 | $fullpath = Files::makeFile($this->getImagesDir(), $relative); |
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| 523 | |||
| 524 | //not a file??? |
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| 525 | if (!is_file($fullpath)) { |
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| 526 | Return $this->getDefaultThumb(); |
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| 527 | } |
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| 528 | |||
| 529 | $imgInfo = @getImageSize($fullpath); |
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| 530 | |||
| 531 | //not an image |
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| 532 | if (!is_array($imgInfo)) { |
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| 533 | Return $this->getDefaultThumb(); |
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| 534 | } |
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| 535 | |||
| 536 | //the original image is smaller than thumbnails, |
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| 537 | //so just return the url to the original image. |
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| 538 | if ($imgInfo[0] <= $this->config['thumbnail_width'] |
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| 539 | && $imgInfo[1] <= $this->config['thumbnail_height']) { |
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| 540 | Return $this->getFileURL($relative); |
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| 541 | } |
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| 542 | |||
| 543 | $thumbnail = $this->getThumbName($fullpath); |
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| 544 | |||
| 545 | //check for thumbnails, if exists and |
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| 546 | // it is up-to-date, return the thumbnail url |
||
| 547 | if (is_file($thumbnail)) { |
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| 548 | if (filemtime($thumbnail) >= filemtime($fullpath)) { |
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| 549 | _ddt(__FILE__, __LINE__, "getThumbnail(): returning url '" . $this->getThumbURL($relative) . "'"); |
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| 550 | |||
| 551 | Return $this->getThumbURL($relative); |
||
| 552 | } |
||
| 553 | } |
||
| 554 | |||
| 555 | //well, no thumbnail was found, so ask the thumbs.php |
||
| 556 | //to generate the thumbnail on the fly. |
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| 557 | Return $IMConfig['backend_url'] . '__function=thumbs&img=' . rawurlencode($relative); |
||
| 558 | } |
||
| 559 | |||
| 560 | /** |
||
| 561 | * Delete and specified files. |
||
| 562 | * @return bool true if delete, false otherwise |
||
| 563 | */ |
||
| 564 | public function deleteFiles() |
||
| 565 | { |
||
| 566 | if (isset($_GET['delf'])) { |
||
| 567 | $this->_delFile(rawurldecode($_GET['delf'])); |
||
| 568 | } |
||
| 569 | } |
||
| 570 | |||
| 571 | /** |
||
| 572 | * Delete and specified directories. |
||
| 573 | * @return bool true if delete, false otherwise |
||
| 574 | */ |
||
| 575 | public function deleteDirs() |
||
| 581 | } |
||
| 582 | } |
||
| 583 | |||
| 584 | /** |
||
| 585 | * Delete the relative file, and any thumbnails. |
||
| 586 | * @param string $relative the relative file. |
||
| 587 | * @return bool true if deleted, false otherwise. |
||
| 588 | */ |
||
| 589 | public function _delFile($relative) |
||
| 606 | } |
||
| 607 | } |
||
| 608 | |||
| 609 | /** |
||
| 610 | * Delete directories recursively. |
||
| 611 | * @param string $relative the relative path to be deleted. |
||
| 612 | * @return bool true if deleted, false otherwise. |
||
| 613 | */ |
||
| 614 | public function _delDir($relative) |
||
| 615 | { |
||
| 616 | $fullpath = Files::makePath($this->getImagesDir(), $relative); |
||
| 617 | if ($this->countFiles($fullpath) <= 0) { |
||
| 618 | return Files::delFolder($fullpath, true); |
||
| 619 | } //delete recursively. |
||
| 620 | else { |
||
| 621 | Return false; |
||
| 622 | } |
||
| 623 | } |
||
| 624 | |||
| 625 | /** |
||
| 626 | * Create new directories. |
||
| 627 | * If in safe_mode, nothing happens. |
||
| 628 | * @return bool true if created, false otherwise. |
||
| 629 | */ |
||
| 630 | public function processNewDir() |
||
| 646 | } |
||
| 647 | } |
||
| 648 | } |
||
| 649 | |||
| 650 | |||
| 651 |
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