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<?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 plungins!
* 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
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/**
* Returns array of options from string with options separated by comma,
* removes quotes
*
* <code>
* PMA_Transformation_getOptions("'option ,, quoted',abd,'2,3',");
* // array {
* // 'option ,, quoted',
* // 'abc',
* // '2,3',
* // '',
* // }
* </code>
*
* @param string $option_string comma separated options
*
* @return array options
*/
function PMA_Transformation_getOptions($option_string)
{
$result = array();
if (! strlen($option_string)
|| ! $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] == "'"
) {
// '...'
$option = substr($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;
}
}
$option = substr($rtrimmed, 1, -1);
}
$result[] = stripslashes($option);
}
return $result;
}
/**
* Gets all available MIME-types
*
* @access public
* @staticvar array mimetypes
* @return array array[mimetype], array[transformation]
*/
function PMA_getAvailableMIMEtypes()
{
static $stack = null;
if (null !== $stack) {
return $stack;
}
$stack = array();
$filestack = array();
$handle = opendir('./libraries/plugins/transformations');
if (! $handle) {
return $stack;
}
while ($file = readdir($handle)) {
$filestack[] = $file;
}
closedir($handle);
sort($filestack);
foreach ($filestack as $file) {
if (preg_match('|^[^.].*_.*_.*\.class\.php$|', $file)) {
// File contains transformation functions.
$parts = explode('_', str_replace('.class.php', '', $file));
$mimetype = $parts[0] . "/" . $parts[1];
$stack['mimetype'][$mimetype] = $mimetype;
$stack['transformation'][] = $mimetype . ': ' . $parts[2];
$stack['transformation_file'][] = $file;
} elseif (preg_match('|^[^.].*\.class.php$|', $file)) {
// File is a plain mimetype, no functions.
$base = str_replace('.class.php', '', $file);
if ($base != 'global') {
$mimetype = str_replace('_', '/', $base);
$stack['mimetype'][$mimetype] = $mimetype;
$stack['empty_mimetype'][$mimetype] = $mimetype;
}
}
}
return $stack;
}
/**
* Returns the description of the transformation
*
* @param string $file transformation file
* @param boolean $html_formatted whether the description should be formatted
* as HTML
*
* @return String the description of the transformation
*/
function PMA_getTransformationDescription($file, $html_formatted = true)
{
// get the transformation class name
$class_name = explode(".class.php", $file);
$class_name = $class_name[0];
// include and instantiate the class
include_once 'libraries/plugins/transformations/' . $file;
return $class_name::getInfo();
}
/**
* 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 $strict whether to include only results having a mimetype set
*
* @access public
*
* @return array [field_name][field_key] = field_value
*/
function PMA_getMIME($db, $table, $strict = false)
{
$cfgRelation = PMA_getRelationsParam();
if (! $cfgRelation['commwork']) {
return false;
}
$com_qry = '
SELECT `column_name`,
`mimetype`,
`transformation`,
`transformation_options`
FROM ' . PMA_Util::backquote($cfgRelation['db']) . '.'
. PMA_Util::backquote($cfgRelation['column_info']) . '
WHERE `db_name` = \'' . PMA_Util::sqlAddSlashes($db) . '\'
AND `table_name` = \'' . PMA_Util::sqlAddSlashes($table) . '\'
AND ( `mimetype` != \'\'' . (!$strict ? '
OR `transformation` != \'\'
OR `transformation_options` != \'\'' : '') . ')';
$result = $GLOBALS['dbi']->fetchResult(
$com_qry, 'column_name', null, $GLOBALS['controllink']
);
foreach ($result as $column => $values) {
// replacements in mimetype and transformation
$values = str_replace("jpeg", "JPEG", $values);
$values = str_replace("png", "PNG", $values);
$values = str_replace("octet-stream", "Octetstream", $values);
// convert mimetype to new format (f.e. Text_Plain, etc)
$delimiter_space = '- ';
$delimiter = "_";
$values['mimetype'] = str_replace(
$delimiter_space,
$delimiter,
ucwords(
str_replace(
$delimiter,
$delimiter_space,
$values['mimetype']
)
)
);
// convert transformation to new format (class name)
// f.e. Text_Plain_Substring.class.php
$values = str_replace("__", "_", $values);
$values = str_replace(".inc.php", ".class.php", $values);
$values['transformation'] = str_replace(
$delimiter_space,
$delimiter,
ucwords(
str_replace(
$delimiter,
$delimiter_space,
$values['transformation']
)
)
);
$result[$column] = $values;
}
return $result;
} // end of the 'PMA_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 boolean $forcedelete force delete, will erase any existing
* comments for this column
*
* @access public
*
* @return boolean true, if comment-query was made.
*/
function PMA_setMIME($db, $table, $key, $mimetype, $transformation,
$transformationOpts, $forcedelete = false
) {
$cfgRelation = PMA_getRelationsParam();
if (! $cfgRelation['commwork']) {
return false;
}
// convert mimetype to old format (f.e. text_plain)
$mimetype = strtolower($mimetype);
// old format has octet-stream instead of octetstream for mimetype
if (strstr($mimetype, "octetstream")) {
$mimetype = "application_octet-stream";
}
// convert transformation to old format (f.e. text_plain__substring.inc.php)
$transformation = strtolower($transformation);
$transformation = str_replace(".class.php", ".inc.php", $transformation);
$last_pos = strrpos($transformation, "_");
$transformation = substr($transformation, 0, $last_pos) . "_"
. substr($transformation, $last_pos);
$test_qry = '
SELECT `mimetype`,
`comment`
FROM ' . PMA_Util::backquote($cfgRelation['db']) . '.'
. PMA_Util::backquote($cfgRelation['column_info']) . '
WHERE `db_name` = \'' . PMA_Util::sqlAddSlashes($db) . '\'
AND `table_name` = \'' . PMA_Util::sqlAddSlashes($table) . '\'
AND `column_name` = \'' . PMA_Util::sqlAddSlashes($key) . '\'';
$test_rs = PMA_queryAsControlUser(
$test_qry, true, PMA_DatabaseInterface::QUERY_STORE
);
if ($test_rs && $GLOBALS['dbi']->numRows($test_rs) > 0) {
$row = @$GLOBALS['dbi']->fetchAssoc($test_rs);
$GLOBALS['dbi']->freeResult($test_rs);
if (! $forcedelete
&& (strlen($mimetype) || strlen($transformation)
|| strlen($transformationOpts) || strlen($row['comment']))
) {
$upd_query = 'UPDATE ' . PMA_Util::backquote($cfgRelation['db']) . '.'
. PMA_Util::backquote($cfgRelation['column_info'])
. ' SET '
. '`mimetype` = \''
. PMA_Util::sqlAddSlashes($mimetype) . '\', '
. '`transformation` = \''
. PMA_Util::sqlAddSlashes($transformation) . '\', '
. '`transformation_options` = \''
. PMA_Util::sqlAddSlashes($transformationOpts) . '\'';
} else {
$upd_query = 'DELETE FROM ' . PMA_Util::backquote($cfgRelation['db'])
. '.' . PMA_Util::backquote($cfgRelation['column_info']);
}
$upd_query .= '
WHERE `db_name` = \'' . PMA_Util::sqlAddSlashes($db) . '\'
AND `table_name` = \'' . PMA_Util::sqlAddSlashes($table) . '\'
AND `column_name` = \'' . PMA_Util::sqlAddSlashes($key) . '\'';
} elseif (strlen($mimetype)
|| strlen($transformation)
|| strlen($transformationOpts)
) {
$upd_query = 'INSERT INTO ' . PMA_Util::backquote($cfgRelation['db'])
. '.' . PMA_Util::backquote($cfgRelation['column_info'])
. ' (db_name, table_name, column_name, mimetype, '
. 'transformation, transformation_options) '
. ' VALUES('
. '\'' . PMA_Util::sqlAddSlashes($db) . '\','
. '\'' . PMA_Util::sqlAddSlashes($table) . '\','
. '\'' . PMA_Util::sqlAddSlashes($key) . '\','
. '\'' . PMA_Util::sqlAddSlashes($mimetype) . '\','
. '\'' . PMA_Util::sqlAddSlashes($transformation) . '\','
. '\'' . PMA_Util::sqlAddSlashes($transformationOpts) . '\')';
}
if (isset($upd_query)) {
return PMA_queryAsControlUser($upd_query);
} else {
return false;
}
} // end of 'PMA_setMIME()' function
/**
* GLOBAL Plugin functions
*/
/**
* Replaces "[__BUFFER__]" occurences found in $options['string'] with the text
* in $buffer, after performing a regular expression search and replace on
* $buffer using $options['regex'] and $options['regex_replace'].
*
* @param string $buffer text that will be replaced in $options['string'],
* after being formatted
* @param array $options the options required to format $buffer
* = array (
* 'string' => 'string', // text containing "[__BUFFER__]"
* 'regex' => 'mixed', // the pattern to search for
* 'regex_replace' => 'mixed', // string or array of strings to replace
* // with
* );
*
* @return string containing the text with all the replacements
*/
function PMA_Transformation_globalHtmlReplace($buffer, $options = array())
{
if ( ! isset($options['string']) ) {
$options['string'] = '';
}
if (isset($options['regex']) && isset($options['regex_replace'])) {
$buffer = preg_replace(
'@' . str_replace('@', '\@', $options['regex']) . '@si',
$options['regex_replace'],
$buffer
);
}
// Replace occurences of [__BUFFER__] with actual text
$return = str_replace("[__BUFFER__]", $buffer, $options['string']);
return $return;
}
/**
* Delete related transformation details
* after deleting database. table or column
*
* @param string $db Database name
* @param string $table Table name
* @param string $column Column name
*
* @return boolean State of the query execution
*/
function PMA_clearTransformations($db, $table = '', $column = '')
{
$cfgRelation = PMA_getRelationsParam();
if (! isset($cfgRelation['column_info'])) {
return false;
}
$delete_sql = 'DELETE FROM '
. PMA_Util::backquote($cfgRelation['db']) . '.'
. PMA_Util::backquote($cfgRelation['column_info'])
. ' WHERE ';
if (($column != '') && ($table != '')) {
$delete_sql .= '`db_name` = \'' . $db . '\' AND '
. '`table_name` = \'' . $table . '\' AND '
. '`column_name` = \'' . $column . '\' ';
} else if ($table != '') {
$delete_sql .= '`db_name` = \'' . $db . '\' AND '
. '`table_name` = \'' . $table . '\' ';
} else {
$delete_sql .= '`db_name` = \'' . $db . '\' ';
}
return $GLOBALS['dbi']->tryQuery($delete_sql);
}
?>
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