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491 lines
16 KiB
491 lines
16 KiB
2 years ago
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<?php
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/**
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* Set of functions used with the relation and pdf feature
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*
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* This file also provides basic functions to use in other plugins!
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* These are declared in the 'GLOBAL Plugin functions' section
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*
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* Please use short and expressive names.
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* For now, special characters which aren't allowed in
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* filenames or functions should not be used.
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*
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* Please provide a comment for your function,
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* what it does and what parameters are available.
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use PhpMyAdmin\ConfigStorage\Relation;
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use PhpMyAdmin\Plugins\TransformationsInterface;
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use function array_shift;
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use function class_exists;
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use function closedir;
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use function count;
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use function explode;
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use function ltrim;
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use function mb_strtolower;
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use function mb_substr;
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use function opendir;
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use function preg_match;
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use function preg_replace;
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use function readdir;
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use function rtrim;
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use function sort;
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use function str_contains;
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use function str_replace;
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use function stripslashes;
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use function strlen;
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use function trim;
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use function ucfirst;
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use function ucwords;
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/**
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* Transformations class
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*/
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class Transformations
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{
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/**
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* Returns array of options from string with options separated by comma,
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* removes quotes
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*
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* <code>
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* getOptions("'option ,, quoted',abd,'2,3',");
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* // array {
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* // 'option ,, quoted',
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* // 'abc',
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* // '2,3',
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* // '',
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* // }
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* </code>
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*
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* @param string $optionString comma separated options
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*
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* @return array options
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*/
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public function getOptions($optionString)
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{
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if (strlen($optionString) === 0) {
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return [];
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}
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$transformOptions = explode(',', $optionString);
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$result = [];
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while (($option = array_shift($transformOptions)) !== null) {
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$trimmed = trim($option);
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if (strlen($trimmed) > 1 && $trimmed[0] == "'" && $trimmed[strlen($trimmed) - 1] == "'") {
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// '...'
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$option = mb_substr($trimmed, 1, -1);
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} elseif (isset($trimmed[0]) && $trimmed[0] == "'") {
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// '...,
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$trimmed = ltrim($option);
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$rtrimmed = '';
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while (($option = array_shift($transformOptions)) !== null) {
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// ...,
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$trimmed .= ',' . $option;
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$rtrimmed = rtrim($trimmed);
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if ($rtrimmed[strlen($rtrimmed) - 1] == "'") {
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// ,...'
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break;
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}
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}
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$option = mb_substr($rtrimmed, 1, -1);
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}
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$result[] = stripslashes($option);
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}
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return $result;
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}
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/**
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* Gets all available MIME-types
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*
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* @return array array[mimetype], array[transformation]
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*
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* @staticvar array $stack
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*/
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public function getAvailableMimeTypes(): array
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{
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static $stack = null;
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if ($stack !== null) {
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return $stack;
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}
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$stack = [];
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$sub_dirs = [
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'Input/' => 'input_',
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'Output/' => '',
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'' => '',
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];
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foreach ($sub_dirs as $sd => $prefix) {
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$handle = opendir(ROOT_PATH . 'libraries/classes/Plugins/Transformations/' . $sd);
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if (! $handle) {
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$stack[$prefix . 'transformation'] = [];
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$stack[$prefix . 'transformation_file'] = [];
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continue;
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}
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$filestack = [];
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while ($file = readdir($handle)) {
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// Ignore hidden files
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if ($file[0] === '.') {
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continue;
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}
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// Ignore old plugins (.class in filename)
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if (str_contains($file, '.class')) {
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continue;
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}
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$filestack[] = $file;
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}
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closedir($handle);
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sort($filestack);
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foreach ($filestack as $file) {
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if (preg_match('|^[^.].*_.*_.*\.php$|', $file)) {
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// File contains transformation functions.
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$parts = explode('_', str_replace('.php', '', $file));
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$mimetype = $parts[0] . '/' . $parts[1];
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$stack['mimetype'][$mimetype] = $mimetype;
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$stack[$prefix . 'transformation'][] = $mimetype . ': ' . $parts[2];
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$stack[$prefix . 'transformation_file'][] = $sd . $file;
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if ($sd === '') {
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$stack['input_transformation'][] = $mimetype . ': ' . $parts[2];
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$stack['input_transformation_file'][] = $sd . $file;
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}
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} elseif (preg_match('|^[^.].*\.php$|', $file)) {
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// File is a plain mimetype, no functions.
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$base = str_replace('.php', '', $file);
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if ($base !== 'global') {
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$mimetype = str_replace('_', '/', $base);
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$stack['mimetype'][$mimetype] = $mimetype;
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$stack['empty_mimetype'][$mimetype] = $mimetype;
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}
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}
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}
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}
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return $stack;
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}
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/**
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* Returns the class name of the transformation
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*
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* @param string $filename transformation file name
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*
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* @return string the class name of transformation
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*/
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public function getClassName($filename)
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{
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// get the transformation class name
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$class_name = explode('.php', $filename);
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$class_name = 'PhpMyAdmin\\' . str_replace('/', '\\', mb_substr($class_name[0], 18));
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return $class_name;
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}
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/**
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* Returns the description of the transformation
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*
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* @param string $file transformation file
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*
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* @return string the description of the transformation
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*/
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public function getDescription($file)
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{
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$include_file = 'libraries/classes/Plugins/Transformations/' . $file;
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/** @psalm-var class-string<TransformationsInterface> $class_name */
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$class_name = $this->getClassName($include_file);
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if (class_exists($class_name)) {
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return $class_name::getInfo();
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}
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return '';
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}
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/**
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* Returns the name of the transformation
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*
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* @param string $file transformation file
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*
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* @return string the name of the transformation
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*/
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public function getName($file)
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{
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$include_file = 'libraries/classes/Plugins/Transformations/' . $file;
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/** @psalm-var class-string<TransformationsInterface> $class_name */
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$class_name = $this->getClassName($include_file);
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if (class_exists($class_name)) {
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return $class_name::getName();
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}
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return '';
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}
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/**
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* Fixups old MIME or transformation name to new one
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*
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* - applies some hardcoded fixups
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* - adds spaces after _ and numbers
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* - capitalizes words
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* - removes back spaces
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*
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* @param string $value Value to fixup
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*
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* @return string
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*/
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public function fixUpMime($value)
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{
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$value = str_replace(
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[
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'jpeg',
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'png',
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],
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[
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'JPEG',
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'PNG',
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],
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$value
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);
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return str_replace(
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' ',
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'',
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ucwords(
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(string) preg_replace('/([0-9_]+)/', '$1 ', $value)
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)
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);
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}
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/**
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* Gets the mimetypes for all columns of a table
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*
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* @param string $db the name of the db to check for
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* @param string $table the name of the table to check for
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* @param bool $strict whether to include only results having a mimetype set
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* @param bool $fullName whether to use full column names as the key
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*
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* @return array|null [field_name][field_key] = field_value
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*/
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public function getMime($db, $table, $strict = false, $fullName = false)
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{
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global $dbi;
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$relation = new Relation($dbi);
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$browserTransformationFeature = $relation->getRelationParameters()->browserTransformationFeature;
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if ($browserTransformationFeature === null) {
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return null;
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}
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$com_qry = '';
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if ($fullName) {
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$com_qry .= 'SELECT CONCAT(`db_name`, \'.\', `table_name`, \'.\', `column_name`) AS column_name, ';
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} else {
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$com_qry = 'SELECT `column_name`, ';
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}
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$com_qry .= '`mimetype`, '
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. '`transformation`, '
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. '`transformation_options`, '
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. '`input_transformation`, '
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. '`input_transformation_options`'
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. ' FROM ' . Util::backquote($browserTransformationFeature->database) . '.'
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. Util::backquote($browserTransformationFeature->columnInfo)
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. ' WHERE `db_name` = \'' . $dbi->escapeString($db) . '\''
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. ' AND `table_name` = \'' . $dbi->escapeString($table) . '\''
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. ' AND ( `mimetype` != \'\'' . (! $strict ?
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' OR `transformation` != \'\''
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. ' OR `transformation_options` != \'\''
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. ' OR `input_transformation` != \'\''
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. ' OR `input_transformation_options` != \'\'' : '') . ')';
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$result = $dbi->fetchResult($com_qry, 'column_name', null, DatabaseInterface::CONNECT_CONTROL);
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foreach ($result as $column => $values) {
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// convert mimetype to new format (f.e. Text_Plain, etc)
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$values['mimetype'] = $this->fixUpMime($values['mimetype']);
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// For transformation of form
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// output/image_jpeg__inline.inc.php
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// extract dir part.
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$dir = explode('/', $values['transformation']);
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$subdir = '';
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if (count($dir) === 2) {
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$subdir = ucfirst($dir[0]) . '/';
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$values['transformation'] = $dir[1];
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}
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$values['transformation'] = $this->fixUpMime($values['transformation']);
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$values['transformation'] = $subdir . $values['transformation'];
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$result[$column] = $values;
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}
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return $result;
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}
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/**
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* Set a single mimetype to a certain value.
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*
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* @param string $db the name of the db
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* @param string $table the name of the table
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* @param string $key the name of the column
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* @param string $mimetype the mimetype of the column
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* @param string $transformation the transformation of the column
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* @param string $transformationOpts the transformation options of the column
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* @param string $inputTransform the input transformation of the column
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* @param string $inputTransformOpts the input transformation options of the column
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* @param bool $forcedelete force delete, will erase any existing
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* comments for this column
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*/
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public function setMime(
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$db,
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$table,
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$key,
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$mimetype,
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$transformation,
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$transformationOpts,
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$inputTransform,
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$inputTransformOpts,
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$forcedelete = false
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): bool {
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global $dbi;
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$relation = new Relation($dbi);
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$browserTransformationFeature = $relation->getRelationParameters()->browserTransformationFeature;
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if ($browserTransformationFeature === null) {
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return false;
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}
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// lowercase mimetype & transformation
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$mimetype = mb_strtolower($mimetype);
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$transformation = mb_strtolower($transformation);
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// Do we have any parameter to set?
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$has_value = (
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strlen($mimetype) > 0 ||
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strlen($transformation) > 0 ||
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strlen($transformationOpts) > 0 ||
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strlen($inputTransform) > 0 ||
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strlen($inputTransformOpts) > 0
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);
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$test_qry = '
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SELECT `mimetype`,
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`comment`
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FROM ' . Util::backquote($browserTransformationFeature->database) . '.'
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. Util::backquote($browserTransformationFeature->columnInfo) . '
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WHERE `db_name` = \'' . $dbi->escapeString($db) . '\'
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AND `table_name` = \'' . $dbi->escapeString($table) . '\'
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AND `column_name` = \'' . $dbi->escapeString($key) . '\'';
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|
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$test_rs = $dbi->queryAsControlUser($test_qry);
|
||
|
|
|
||
|
|
if ($test_rs->numRows() > 0) {
|
||
|
|
$row = $test_rs->fetchAssoc();
|
||
|
|
|
||
|
|
if (! $forcedelete && ($has_value || strlen($row['comment']) > 0)) {
|
||
|
|
$upd_query = 'UPDATE '
|
||
|
|
. Util::backquote($browserTransformationFeature->database) . '.'
|
||
|
|
. Util::backquote($browserTransformationFeature->columnInfo)
|
||
|
|
. ' SET '
|
||
|
|
. '`mimetype` = \''
|
||
|
|
. $dbi->escapeString($mimetype) . '\', '
|
||
|
|
. '`transformation` = \''
|
||
|
|
. $dbi->escapeString($transformation) . '\', '
|
||
|
|
. '`transformation_options` = \''
|
||
|
|
. $dbi->escapeString($transformationOpts) . '\', '
|
||
|
|
. '`input_transformation` = \''
|
||
|
|
. $dbi->escapeString($inputTransform) . '\', '
|
||
|
|
. '`input_transformation_options` = \''
|
||
|
|
. $dbi->escapeString($inputTransformOpts) . '\'';
|
||
|
|
} else {
|
||
|
|
$upd_query = 'DELETE FROM '
|
||
|
|
. Util::backquote($browserTransformationFeature->database)
|
||
|
|
. '.' . Util::backquote($browserTransformationFeature->columnInfo);
|
||
|
|
}
|
||
|
|
|
||
|
|
$upd_query .= '
|
||
|
|
WHERE `db_name` = \'' . $dbi->escapeString($db) . '\'
|
||
|
|
AND `table_name` = \'' . $dbi->escapeString($table)
|
||
|
|
. '\'
|
||
|
|
AND `column_name` = \'' . $dbi->escapeString($key)
|
||
|
|
. '\'';
|
||
|
|
} elseif ($has_value) {
|
||
|
|
$upd_query = 'INSERT INTO '
|
||
|
|
. Util::backquote($browserTransformationFeature->database)
|
||
|
|
. '.' . Util::backquote($browserTransformationFeature->columnInfo)
|
||
|
|
. ' (db_name, table_name, column_name, mimetype, '
|
||
|
|
. 'transformation, transformation_options, '
|
||
|
|
. 'input_transformation, input_transformation_options) '
|
||
|
|
. ' VALUES('
|
||
|
|
. '\'' . $dbi->escapeString($db) . '\','
|
||
|
|
. '\'' . $dbi->escapeString($table) . '\','
|
||
|
|
. '\'' . $dbi->escapeString($key) . '\','
|
||
|
|
. '\'' . $dbi->escapeString($mimetype) . '\','
|
||
|
|
. '\'' . $dbi->escapeString($transformation) . '\','
|
||
|
|
. '\'' . $dbi->escapeString($transformationOpts) . '\','
|
||
|
|
. '\'' . $dbi->escapeString($inputTransform) . '\','
|
||
|
|
. '\'' . $dbi->escapeString($inputTransformOpts) . '\')';
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($upd_query)) {
|
||
|
|
return (bool) $dbi->queryAsControlUser($upd_query);
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* GLOBAL Plugin functions
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Delete related transformation details
|
||
|
|
* after deleting database. table or column
|
||
|
|
*
|
||
|
|
* @param string $db Database name
|
||
|
|
* @param string $table Table name
|
||
|
|
* @param string $column Column name
|
||
|
|
*/
|
||
|
|
public function clear($db, $table = '', $column = ''): bool
|
||
|
|
{
|
||
|
|
global $dbi;
|
||
|
|
|
||
|
|
$relation = new Relation($dbi);
|
||
|
|
$browserTransformationFeature = $relation->getRelationParameters()->browserTransformationFeature;
|
||
|
|
if ($browserTransformationFeature === null) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$delete_sql = 'DELETE FROM '
|
||
|
|
. Util::backquote($browserTransformationFeature->database) . '.'
|
||
|
|
. Util::backquote($browserTransformationFeature->columnInfo)
|
||
|
|
. ' WHERE ';
|
||
|
|
|
||
|
|
if (($column != '') && ($table != '')) {
|
||
|
|
$delete_sql .= '`db_name` = \'' . $db . '\' AND '
|
||
|
|
. '`table_name` = \'' . $table . '\' AND '
|
||
|
|
. '`column_name` = \'' . $column . '\' ';
|
||
|
|
} elseif ($table != '') {
|
||
|
|
$delete_sql .= '`db_name` = \'' . $db . '\' AND '
|
||
|
|
. '`table_name` = \'' . $table . '\' ';
|
||
|
|
} else {
|
||
|
|
$delete_sql .= '`db_name` = \'' . $db . '\' ';
|
||
|
|
}
|
||
|
|
|
||
|
|
return (bool) $dbi->tryQuery($delete_sql);
|
||
|
|
}
|
||
|
|
}
|