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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Static methods for URL/hidden inputs generating
*
* @package PhpMyAdmin
*/
namespace PhpMyAdmin;
/**
* Static methods for URL/hidden inputs generating
*
* @package PhpMyAdmin
*/
class Url
{
/**
* Generates text with hidden inputs.
*
* @param string|array $db optional database name
* (can also be an array of parameters)
* @param string $table optional table name
* @param int $indent indenting level
* @param string|array $skip do not generate a hidden field for this parameter
* (can be an array of strings)
*
* @see Url::getCommon()
*
* @return string string with input fields
*
* @access public
*/
public static function getHiddenInputs($db = '', $table = '',
$indent = 0, $skip = array()
) {
/** @var Config $PMA_Config */
global $PMA_Config;
if (is_array($db)) {
$params =& $db;
$_indent = empty($table) ? $indent : $table;
$_skip = empty($indent) ? $skip : $indent;
$indent =& $_indent;
$skip =& $_skip;
} else {
$params = array();
if (strlen($db) > 0) {
$params['db'] = $db;
}
if (strlen($table) > 0) {
$params['table'] = $table;
}
}
if (! empty($GLOBALS['server'])
&& $GLOBALS['server'] != $GLOBALS['cfg']['ServerDefault']
) {
$params['server'] = $GLOBALS['server'];
}
if (empty($PMA_Config->getCookie('pma_lang')) && ! empty($GLOBALS['lang'])) {
$params['lang'] = $GLOBALS['lang'];
}
if (! is_array($skip)) {
if (isset($params[$skip])) {
unset($params[$skip]);
}
} else {
foreach ($skip as $skipping) {
if (isset($params[$skipping])) {
unset($params[$skipping]);
}
}
}
return Url::getHiddenFields($params);
}
/**
* create hidden form fields from array with name => value
*
* <code>
* $values = array(
* 'aaa' => aaa,
* 'bbb' => array(
* 'bbb_0',
* 'bbb_1',
* ),
* 'ccc' => array(
* 'a' => 'ccc_a',
* 'b' => 'ccc_b',
* ),
* );
* echo Url::getHiddenFields($values);
*
* // produces:
* <input type="hidden" name="aaa" Value="aaa" />
* <input type="hidden" name="bbb[0]" Value="bbb_0" />
* <input type="hidden" name="bbb[1]" Value="bbb_1" />
* <input type="hidden" name="ccc[a]" Value="ccc_a" />
* <input type="hidden" name="ccc[b]" Value="ccc_b" />
* </code>
*
* @param array $values hidden values
* @param string $pre prefix
*
* @return string form fields of type hidden
*/
public static function getHiddenFields(array $values, $pre = '')
{
$fields = '';
/* Always include token in plain forms */
if ($pre === '') {
$values['token'] = $_SESSION[' PMA_token '];
}
foreach ($values as $name => $value) {
if (! empty($pre)) {
$name = $pre . '[' . $name . ']';
}
if (is_array($value)) {
$fields .= Url::getHiddenFields($value, $name);
} else {
// do not generate an ending "\n" because
// Url::getHiddenInputs() is sometimes called
// from a JS document.write()
$fields .= '<input type="hidden" name="' . htmlspecialchars($name)
. '" value="' . htmlspecialchars($value) . '" />';
}
}
return $fields;
}
/**
* Generates text with URL parameters.
*
* <code>
* $params['myparam'] = 'myvalue';
* $params['db'] = 'mysql';
* $params['table'] = 'rights';
* // note the missing ?
* echo 'script.php' . Url::getCommon($params);
* // produces with cookies enabled:
* // script.php?myparam=myvalue&db=mysql&table=rights
* // with cookies disabled:
* // script.php?server=1&lang=en&myparam=myvalue&db=mysql
* // &table=rights
*
* // note the missing ?
* echo 'script.php' . Url::getCommon();
* // produces with cookies enabled:
* // script.php
* // with cookies disabled:
* // script.php?server=1&lang=en
* </code>
*
* @param mixed $params optional, Contains an associative array with url params
* @param string $divider optional character to use instead of '?'
*
* @return string string with URL parameters
* @access public
*/
public static function getCommon($params = array(), $divider = '?')
{
return htmlspecialchars(
Url::getCommonRaw($params, $divider)
);
}
/**
* Generates text with URL parameters.
*
* <code>
* $params['myparam'] = 'myvalue';
* $params['db'] = 'mysql';
* $params['table'] = 'rights';
* // note the missing ?
* echo 'script.php' . Url::getCommon($params);
* // produces with cookies enabled:
* // script.php?myparam=myvalue&db=mysql&table=rights
* // with cookies disabled:
* // script.php?server=1&lang=en&myparam=myvalue&db=mysql
* // &table=rights
*
* // note the missing ?
* echo 'script.php' . Url::getCommon();
* // produces with cookies enabled:
* // script.php
* // with cookies disabled:
* // script.php?server=1&lang=en
* </code>
*
* @param mixed $params optional, Contains an associative array with url params
* @param string $divider optional character to use instead of '?'
*
* @return string string with URL parameters
* @access public
*/
public static function getCommonRaw($params = array(), $divider = '?')
{
/** @var Config $PMA_Config */
global $PMA_Config;
$separator = Url::getArgSeparator();
// avoid overwriting when creating navi panel links to servers
if (isset($GLOBALS['server'])
&& $GLOBALS['server'] != $GLOBALS['cfg']['ServerDefault']
&& ! isset($params['server'])
&& ! $PMA_Config->get('is_setup')
) {
$params['server'] = $GLOBALS['server'];
}
if (empty($PMA_Config->getCookie('pma_lang')) && ! empty($GLOBALS['lang'])) {
$params['lang'] = $GLOBALS['lang'];
}
$query = http_build_query($params, null, $separator);
if ($divider != '?' || strlen($query) > 0) {
return $divider . $query;
}
return '';
}
/**
* Returns url separator
*
* extracted from arg_separator.input as set in php.ini
* we do not use arg_separator.output to avoid problems with & and &
*
* @param string $encode whether to encode separator or not,
* currently 'none' or 'html'
*
* @return string character used for separating url parts usually ; or &
* @access public
*/
public static function getArgSeparator($encode = 'none')
{
static $separator = null;
static $html_separator = null;
if (null === $separator) {
// use separators defined by php, but prefer ';'
// as recommended by W3C
// (see https://www.w3.org/TR/1999/REC-html401-19991224/appendix
// /notes.html#h-B.2.2)
$arg_separator = ini_get('arg_separator.input');
if (mb_strpos($arg_separator, ';') !== false) {
$separator = ';';
} elseif (strlen($arg_separator) > 0) {
$separator = $arg_separator[0];
} else {
$separator = '&';
}
$html_separator = htmlentities($separator);
}
switch ($encode) {
case 'html':
return $html_separator;
case 'text' :
case 'none' :
default :
return $separator;
}
}
}