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Current File : /var/www/phpwinfx/libraries/classes/Transformations.php
<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Set of functions used with the relation and pdf feature
*
* This file also provides basic functions to use in other plugins!
* These are declared in the 'GLOBAL Plugin functions' section
*
* Please use short and expressive names.
* For now, special characters which aren't allowed in
* filenames or functions should not be used.
*
* Please provide a comment for your function,
* what it does and what parameters are available.
*
* @package PhpMyAdmin
*/
namespace PhpMyAdmin;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Relation;
use PhpMyAdmin\Util;
/**
* Transformations class
*
* @package PhpMyAdmin
*/
class Transformations
{
/**
* Returns array of options from string with options separated by comma,
* removes quotes
*
* <code>
* getOptions("'option ,, quoted',abd,'2,3',");
* // array {
* // 'option ,, quoted',
* // 'abc',
* // '2,3',
* // '',
* // }
* </code>
*
* @param string $option_string comma separated options
*
* @return array options
*/
public static function getOptions($option_string)
{
$result = array();
if (strlen($option_string) === 0
|| ! $transform_options = preg_split('/,/', $option_string)
) {
return $result;
}
while (($option = array_shift($transform_options)) !== null) {
$trimmed = trim($option);
if (strlen($trimmed) > 1
&& $trimmed[0] == "'"
&& $trimmed[strlen($trimmed) - 1] == "'"
) {
// '...'
$option = mb_substr($trimmed, 1, -1);
} elseif (isset($trimmed[0]) && $trimmed[0] == "'") {
// '...,
$trimmed = ltrim($option);
while (($option = array_shift($transform_options)) !== null) {
// ...,
$trimmed .= ',' . $option;
$rtrimmed = rtrim($trimmed);
if ($rtrimmed[strlen($rtrimmed) - 1] == "'") {
// ,...'
break;
}
}
$option = mb_substr($rtrimmed, 1, -1);
}
$result[] = stripslashes($option);
}
return $result;
}
/**
* Gets all available MIME-types
*
* @access public
* @staticvar array mimetypes
* @return array array[mimetype], array[transformation]
*/
public static function getAvailableMIMEtypes()
{
static $stack = null;
if (null !== $stack) {
return $stack;
}
$stack = array();
$sub_dirs = array(
'Input/' => 'input_',
'Output/' => '',
'' => ''
);
foreach ($sub_dirs as $sd => $prefix) {
$handle = opendir('libraries/classes/Plugins/Transformations/' . $sd);
if (! $handle) {
$stack[$prefix . 'transformation'] = array();
$stack[$prefix . 'transformation_file'] = array();
continue;
}
$filestack = array();
while ($file = readdir($handle)) {
// Ignore hidden files
if ($file[0] == '.') {
continue;
}
// Ignore old plugins (.class in filename)
if (strpos($file, '.class') !== false) {
continue;
}
$filestack[] = $file;
}
closedir($handle);
sort($filestack);
foreach ($filestack as $file) {
if (preg_match('|^[^.].*_.*_.*\.php$|', $file)) {
// File contains transformation functions.
$parts = explode('_', str_replace('.php', '', $file));
$mimetype = $parts[0] . "/" . $parts[1];
$stack['mimetype'][$mimetype] = $mimetype;
$stack[$prefix . 'transformation'][] = $mimetype . ': ' . $parts[2];
$stack[$prefix . 'transformation_file'][] = $sd . $file;
if ($sd === '') {
$stack['input_transformation'][] = $mimetype . ': ' . $parts[2];
$stack['input_transformation_file'][] = $sd . $file;
}
} elseif (preg_match('|^[^.].*\.php$|', $file)) {
// File is a plain mimetype, no functions.
$base = str_replace('.php', '', $file);
if ($base != 'global') {
$mimetype = str_replace('_', '/', $base);
$stack['mimetype'][$mimetype] = $mimetype;
$stack['empty_mimetype'][$mimetype] = $mimetype;
}
}
}
}
return $stack;
}
/**
* Returns the class name of the transformation
*
* @param string $filename transformation file name
*
* @return string the class name of transformation
*/
public static function getClassName($filename)
{
// get the transformation class name
$class_name = explode(".php", $filename);
$class_name = 'PhpMyAdmin\\' . str_replace('/', '\\', mb_substr($class_name[0], 18));
return $class_name;
}
/**
* Returns the description of the transformation
*
* @param string $file transformation file
*
* @return String the description of the transformation
*/
public static function getDescription($file)
{
$include_file = 'libraries/classes/Plugins/Transformations/' . $file;
/* @var $class_name PhpMyAdmin\Plugins\TransformationsInterface */
$class_name = self::getClassName($include_file);
// include and instantiate the class
include_once $include_file;
return $class_name::getInfo();
}
/**
* Returns the name of the transformation
*
* @param string $file transformation file
*
* @return String the name of the transformation
*/
public static function getName($file)
{
$include_file = 'libraries/classes/Plugins/Transformations/' . $file;
/* @var $class_name PhpMyAdmin\Plugins\TransformationsInterface */
$class_name = self::getClassName($include_file);
// include and instantiate the class
include_once $include_file;
return $class_name::getName();
}
/**
* Fixups old MIME or transformation name to new one
*
* - applies some hardcoded fixups
* - adds spaces after _ and numbers
* - capitalizes words
* - removes back spaces
*
* @param string $value Value to fixup
*
* @return string
*/
static function fixupMIME($value)
{
$value = str_replace(
array("jpeg", "png"), array("JPEG", "PNG"), $value
);
return str_replace(
' ',
'',
ucwords(
preg_replace('/([0-9_]+)/', '$1 ', $value)
)
);
}
/**
* Gets the mimetypes for all columns of a table
*
* @param string $db the name of the db to check for
* @param string $table the name of the table to check for
* @param boolean $strict whether to include only results having a mimetype set
* @param boolean $fullName whether to use full column names as the key
*
* @access public
*
* @return array [field_name][field_key] = field_value
*/
public static function getMIME($db, $table, $strict = false, $fullName = false)
{
$relation = new Relation();
$cfgRelation = $relation->getRelationsParam();
if (! $cfgRelation['mimework']) {
return false;
}
$com_qry = '';
if ($fullName) {
$com_qry .= "SELECT CONCAT("
. "`db_name`, '.', `table_name`, '.', `column_name`"
. ") AS column_name, ";
} else {
$com_qry = "SELECT `column_name`, ";
}
$com_qry .= '`mimetype`,
`transformation`,
`transformation_options`,
`input_transformation`,
`input_transformation_options`
FROM ' . Util::backquote($cfgRelation['db']) . '.'
. Util::backquote($cfgRelation['column_info']) . '
WHERE `db_name` = \'' . $GLOBALS['dbi']->escapeString($db) . '\'
AND `table_name` = \'' . $GLOBALS['dbi']->escapeString($table) . '\'
AND ( `mimetype` != \'\'' . (!$strict ? '
OR `transformation` != \'\'
OR `transformation_options` != \'\'
OR `input_transformation` != \'\'
OR `input_transformation_options` != \'\'' : '') . ')';
$result = $GLOBALS['dbi']->fetchResult(
$com_qry, 'column_name', null, DatabaseInterface::CONNECT_CONTROL
);
foreach ($result as $column => $values) {
// convert mimetype to new format (f.e. Text_Plain, etc)
$delimiter_space = '- ';
$delimiter = "_";
$values['mimetype'] = self::fixupMIME($values['mimetype']);
// For transformation of form
// output/image_jpeg__inline.inc.php
// extract dir part.
$dir = explode('/', $values['transformation']);
$subdir = '';
if (count($dir) === 2) {
$subdir = ucfirst($dir[0]) . '/';
$values['transformation'] = $dir[1];
}
$values['transformation'] = self::fixupMIME($values['transformation']);
$values['transformation'] = $subdir . $values['transformation'];
$result[$column] = $values;
}
return $result;
} // end of the 'getMIME()' function
/**
* Set a single mimetype to a certain value.
*
* @param string $db the name of the db
* @param string $table the name of the table
* @param string $key the name of the column
* @param string $mimetype the mimetype of the column
* @param string $transformation the transformation of the column
* @param string $transformationOpts the transformation options of the column
* @param string $inputTransform the input transformation of the column
* @param string $inputTransformOpts the input transformation options of the column
* @param boolean $forcedelete force delete, will erase any existing
* comments for this column
*
* @access public
*
* @return boolean true, if comment-query was made.
*/
public static function setMIME($db, $table, $key, $mimetype, $transformation,
$transformationOpts, $inputTransform, $inputTransformOpts, $forcedelete = false
) {
$relation = new Relation();
$cfgRelation = $relation->getRelationsParam();
if (! $cfgRelation['mimework']) {
return false;
}
// lowercase mimetype & transformation
$mimetype = mb_strtolower($mimetype);
$transformation = mb_strtolower($transformation);
// Do we have any parameter to set?
$has_value = (
strlen($mimetype) > 0 ||
strlen($transformation) > 0 ||
strlen($transformationOpts) > 0 ||
strlen($inputTransform) > 0 ||
strlen($inputTransformOpts) > 0
);
$test_qry = '
SELECT `mimetype`,
`comment`
FROM ' . Util::backquote($cfgRelation['db']) . '.'
. Util::backquote($cfgRelation['column_info']) . '
WHERE `db_name` = \'' . $GLOBALS['dbi']->escapeString($db) . '\'
AND `table_name` = \'' . $GLOBALS['dbi']->escapeString($table) . '\'
AND `column_name` = \'' . $GLOBALS['dbi']->escapeString($key) . '\'';
$test_rs = $relation->queryAsControlUser(
$test_qry, true, DatabaseInterface::QUERY_STORE
);
if ($test_rs && $GLOBALS['dbi']->numRows($test_rs) > 0) {
$row = @$GLOBALS['dbi']->fetchAssoc($test_rs);
$GLOBALS['dbi']->freeResult($test_rs);
if (! $forcedelete && ($has_value || strlen($row['comment']) > 0)) {
$upd_query = 'UPDATE '
. Util::backquote($cfgRelation['db']) . '.'
. Util::backquote($cfgRelation['column_info'])
. ' SET '
. '`mimetype` = \''
. $GLOBALS['dbi']->escapeString($mimetype) . '\', '
. '`transformation` = \''
. $GLOBALS['dbi']->escapeString($transformation) . '\', '
. '`transformation_options` = \''
. $GLOBALS['dbi']->escapeString($transformationOpts) . '\', '
. '`input_transformation` = \''
. $GLOBALS['dbi']->escapeString($inputTransform) . '\', '
. '`input_transformation_options` = \''
. $GLOBALS['dbi']->escapeString($inputTransformOpts) . '\'';
} else {
$upd_query = 'DELETE FROM '
. Util::backquote($cfgRelation['db'])
. '.' . Util::backquote($cfgRelation['column_info']);
}
$upd_query .= '
WHERE `db_name` = \'' . $GLOBALS['dbi']->escapeString($db) . '\'
AND `table_name` = \'' . $GLOBALS['dbi']->escapeString($table)
. '\'
AND `column_name` = \'' . $GLOBALS['dbi']->escapeString($key)
. '\'';
} elseif ($has_value) {
$upd_query = 'INSERT INTO '
. Util::backquote($cfgRelation['db'])
. '.' . Util::backquote($cfgRelation['column_info'])
. ' (db_name, table_name, column_name, mimetype, '
. 'transformation, transformation_options, '
. 'input_transformation, input_transformation_options) '
. ' VALUES('
. '\'' . $GLOBALS['dbi']->escapeString($db) . '\','
. '\'' . $GLOBALS['dbi']->escapeString($table) . '\','
. '\'' . $GLOBALS['dbi']->escapeString($key) . '\','
. '\'' . $GLOBALS['dbi']->escapeString($mimetype) . '\','
. '\'' . $GLOBALS['dbi']->escapeString($transformation) . '\','
. '\'' . $GLOBALS['dbi']->escapeString($transformationOpts) . '\','
. '\'' . $GLOBALS['dbi']->escapeString($inputTransform) . '\','
. '\'' . $GLOBALS['dbi']->escapeString($inputTransformOpts) . '\')';
}
if (isset($upd_query)) {
return $relation->queryAsControlUser($upd_query);
}
return false;
} // end of 'setMIME()' function
/**
* 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 $column Column name
*
* @return boolean State of the query execution
*/
public static function clear($db, $table = '', $column = '')
{
$relation = new Relation();
$cfgRelation = $relation->getRelationsParam();
if (! isset($cfgRelation['column_info'])) {
return false;
}
$delete_sql = 'DELETE FROM '
. Util::backquote($cfgRelation['db']) . '.'
. Util::backquote($cfgRelation['column_info'])
. ' WHERE ';
if (($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 $GLOBALS['dbi']->tryQuery($delete_sql);
}
}
