3195 lines
104 KiB
PHP
3195 lines
104 KiB
PHP
<?php
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/**
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* Hold the PhpMyAdmin\Util class
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use Closure;
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use PhpMyAdmin\Html\Generator;
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use PhpMyAdmin\Html\MySQLDocumentation;
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use PhpMyAdmin\SqlParser\Context;
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use PhpMyAdmin\SqlParser\Token;
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use phpseclib\Crypt\Random;
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use stdClass;
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use function abs;
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use function array_key_exists;
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use function array_map;
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use function array_merge;
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use function array_shift;
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use function array_unique;
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use function basename;
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use function bin2hex;
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use function chr;
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use function class_exists;
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use function count;
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use function ctype_digit;
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use function date;
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use function decbin;
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use function defined;
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use function explode;
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use function extension_loaded;
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use function fclose;
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use function floatval;
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use function floor;
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use function fread;
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use function function_exists;
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use function html_entity_decode;
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use function htmlentities;
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use function htmlspecialchars;
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use function htmlspecialchars_decode;
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use function implode;
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use function in_array;
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use function is_array;
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use function is_object;
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use function is_string;
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use function log10;
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use function ltrim;
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use function mb_detect_encoding;
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use function mb_strlen;
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use function mb_strpos;
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use function mb_strrpos;
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use function mb_strstr;
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use function mb_strtolower;
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use function mb_substr;
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use function number_format;
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use function ord;
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use function parse_url;
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use function pow;
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use function preg_match;
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use function preg_quote;
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use function preg_replace;
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use function range;
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use function reset;
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use function round;
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use function rtrim;
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use function set_time_limit;
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use function sort;
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use function sprintf;
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use function str_pad;
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use function str_replace;
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use function strcasecmp;
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use function strftime;
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use function stripos;
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use function strlen;
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use function strpos;
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use function strrev;
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use function strtolower;
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use function strtoupper;
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use function strtr;
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use function substr;
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use function time;
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use function trim;
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use function uksort;
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use function version_compare;
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use const ENT_COMPAT;
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use const ENT_QUOTES;
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use const PHP_INT_SIZE;
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use const PREG_OFFSET_CAPTURE;
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use const STR_PAD_LEFT;
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/**
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* Misc functions used all over the scripts.
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*/
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class Util
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{
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/**
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* Checks whether configuration value tells to show icons.
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*
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* @param string $value Configuration option name
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*
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* @return bool Whether to show icons.
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*/
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public static function showIcons($value)
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{
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return in_array($GLOBALS['cfg'][$value], ['icons', 'both']);
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}
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/**
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* Checks whether configuration value tells to show text.
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*
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* @param string $value Configuration option name
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*
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* @return bool Whether to show text.
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*/
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public static function showText($value)
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{
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return in_array($GLOBALS['cfg'][$value], ['text', 'both']);
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}
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/**
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* Returns the formatted maximum size for an upload
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*
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* @param int|string $max_upload_size the size
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*
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* @return string the message
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*
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* @access public
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*/
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public static function getFormattedMaximumUploadSize($max_upload_size)
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{
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// I have to reduce the second parameter (sensitiveness) from 6 to 4
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// to avoid weird results like 512 kKib
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[$max_size, $max_unit] = self::formatByteDown($max_upload_size, 4);
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return '(' . sprintf(__('Max: %s%s'), $max_size, $max_unit) . ')';
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}
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/**
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* Add slashes before "_" and "%" characters for using them in MySQL
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* database, table and field names.
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* Note: This function does not escape backslashes!
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*
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* @param string $name the string to escape
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*
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* @return string the escaped string
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*
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* @access public
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*/
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public static function escapeMysqlWildcards($name)
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{
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return strtr($name, ['_' => '\\_', '%' => '\\%']);
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} // end of the 'escapeMysqlWildcards()' function
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/**
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* removes slashes before "_" and "%" characters
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* Note: This function does not unescape backslashes!
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*
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* @param string $name the string to escape
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*
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* @return string the escaped string
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*
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* @access public
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*/
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public static function unescapeMysqlWildcards($name)
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{
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return strtr($name, ['\\_' => '_', '\\%' => '%']);
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} // end of the 'unescapeMysqlWildcards()' function
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/**
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* removes quotes (',",`) from a quoted string
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*
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* checks if the string is quoted and removes this quotes
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*
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* @param string $quoted_string string to remove quotes from
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* @param string $quote type of quote to remove
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*
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* @return string unqoted string
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*/
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public static function unQuote($quoted_string, $quote = null)
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{
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$quotes = [];
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if ($quote === null) {
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$quotes[] = '`';
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$quotes[] = '"';
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$quotes[] = "'";
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} else {
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$quotes[] = $quote;
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}
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foreach ($quotes as $quote) {
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if (mb_substr($quoted_string, 0, 1) === $quote
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&& mb_substr($quoted_string, -1, 1) === $quote
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) {
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$unquoted_string = mb_substr($quoted_string, 1, -1);
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// replace escaped quotes
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$unquoted_string = str_replace(
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$quote . $quote,
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$quote,
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$unquoted_string
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);
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return $unquoted_string;
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}
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}
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return $quoted_string;
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}
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/**
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* Get a URL link to the official MySQL documentation
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*
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* @param string $link contains name of page/anchor that is being linked
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* @param string $anchor anchor to page part
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*
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* @return string the URL link
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*
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* @access public
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*/
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public static function getMySQLDocuURL($link, $anchor = '')
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{
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// Fixup for newly used names:
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$link = str_replace('_', '-', mb_strtolower($link));
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if (empty($link)) {
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$link = 'index';
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}
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$mysql = '5.5';
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$lang = 'en';
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if (isset($GLOBALS['dbi'])) {
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$serverVersion = $GLOBALS['dbi']->getVersion();
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if ($serverVersion >= 80000) {
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$mysql = '8.0';
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} elseif ($serverVersion >= 50700) {
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$mysql = '5.7';
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} elseif ($serverVersion >= 50600) {
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$mysql = '5.6';
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} elseif ($serverVersion >= 50500) {
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$mysql = '5.5';
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}
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}
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$url = 'https://dev.mysql.com/doc/refman/'
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. $mysql . '/' . $lang . '/' . $link . '.html';
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if (! empty($anchor)) {
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$url .= '#' . $anchor;
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}
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return Core::linkURL($url);
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}
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/**
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* Get a URL link to the official documentation page of either MySQL
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* or MariaDB depending on the databse server
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* of the user.
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* @param bool $isMariaDB if the database server is MariaDB
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*
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* @return string The URL link
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*/
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public static function getDocuURL(bool $isMariaDB = false): string
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{
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if ($isMariaDB) {
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$url = 'https://mariadb.com/kb/en/documentation/';
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return Core::linkURL($url);
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}
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return self::getMySQLDocuURL('');
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}
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/**
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* Check the correct row count
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*
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* @param string $db the db name
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* @param array $table the table infos
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*
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* @return int the possibly modified row count
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*/
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private static function _checkRowCount($db, array $table)
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{
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$rowCount = 0;
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if ($table['Rows'] === null) {
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// Do not check exact row count here,
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// if row count is invalid possibly the table is defect
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// and this would break the navigation panel;
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// but we can check row count if this is a view or the
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// information_schema database
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// since Table::countRecords() returns a limited row count
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// in this case.
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// set this because Table::countRecords() can use it
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$tbl_is_view = $table['TABLE_TYPE'] == 'VIEW';
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if ($tbl_is_view || $GLOBALS['dbi']->isSystemSchema($db)) {
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$rowCount = $GLOBALS['dbi']
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->getTable($db, $table['Name'])
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->countRecords();
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}
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}
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return $rowCount;
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}
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/**
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* returns array with tables of given db with extended information and grouped
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*
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* @param string $db name of db
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* @param string $tables name of tables
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* @param int $limit_offset list offset
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* @param int|bool $limit_count max tables to return
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*
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* @return array (recursive) grouped table list
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*/
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public static function getTableList(
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$db,
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$tables = null,
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$limit_offset = 0,
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$limit_count = false
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) {
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$sep = $GLOBALS['cfg']['NavigationTreeTableSeparator'];
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if ($tables === null) {
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$tables = $GLOBALS['dbi']->getTablesFull(
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$db,
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'',
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false,
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$limit_offset,
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$limit_count
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);
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if ($GLOBALS['cfg']['NaturalOrder']) {
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uksort($tables, 'strnatcasecmp');
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}
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}
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if (count($tables) < 1) {
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return $tables;
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}
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$default = [
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'Name' => '',
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'Rows' => 0,
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'Comment' => '',
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'disp_name' => '',
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];
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$table_groups = [];
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foreach ($tables as $table_name => $table) {
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$table['Rows'] = self::_checkRowCount($db, $table);
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// in $group we save the reference to the place in $table_groups
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// where to store the table info
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if ($GLOBALS['cfg']['NavigationTreeEnableGrouping']
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&& $sep && mb_strstr($table_name, $sep)
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) {
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$parts = explode($sep, $table_name);
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$group =& $table_groups;
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$i = 0;
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$group_name_full = '';
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$parts_cnt = count($parts) - 1;
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while (($i < $parts_cnt)
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&& ($i < $GLOBALS['cfg']['NavigationTreeTableLevel'])
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) {
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$group_name = $parts[$i] . $sep;
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$group_name_full .= $group_name;
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if (! isset($group[$group_name])) {
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$group[$group_name] = [];
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$group[$group_name]['is' . $sep . 'group'] = true;
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$group[$group_name]['tab' . $sep . 'count'] = 1;
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$group[$group_name]['tab' . $sep . 'group']
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= $group_name_full;
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} elseif (! isset($group[$group_name]['is' . $sep . 'group'])) {
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$table = $group[$group_name];
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$group[$group_name] = [];
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$group[$group_name][$group_name] = $table;
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$group[$group_name]['is' . $sep . 'group'] = true;
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$group[$group_name]['tab' . $sep . 'count'] = 1;
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$group[$group_name]['tab' . $sep . 'group']
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= $group_name_full;
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} else {
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$group[$group_name]['tab' . $sep . 'count']++;
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}
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$group =& $group[$group_name];
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$i++;
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}
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} else {
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if (! isset($table_groups[$table_name])) {
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$table_groups[$table_name] = [];
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}
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$group =& $table_groups;
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}
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$table['disp_name'] = $table['Name'];
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$group[$table_name] = array_merge($default, $table);
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}
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return $table_groups;
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}
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/* ----------------------- Set of misc functions ----------------------- */
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/**
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* Adds backquotes on both sides of a database, table or field name.
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* and escapes backquotes inside the name with another backquote
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*
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* example:
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* <code>
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* echo backquote('owner`s db'); // `owner``s db`
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*
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* </code>
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*
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* @param array|string $a_name the database, table or field name to "backquote"
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* or array of it
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* @param bool $do_it a flag to bypass this function (used by dump
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* functions)
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*
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* @return mixed the "backquoted" database, table or field name
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*
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* @access public
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*/
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public static function backquote($a_name, $do_it = true)
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{
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return static::backquoteCompat($a_name, 'NONE', $do_it);
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} // end of the 'backquote()' function
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/**
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* Adds backquotes on both sides of a database, table or field name.
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* in compatibility mode
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*
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* example:
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* <code>
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* echo backquoteCompat('owner`s db'); // `owner``s db`
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*
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* </code>
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*
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* @param array|string $a_name the database, table or field name to
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* "backquote" or array of it
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* @param string $compatibility string compatibility mode (used by dump
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* functions)
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* @param bool $do_it a flag to bypass this function (used by dump
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* functions)
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*
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* @return mixed the "backquoted" database, table or field name
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*
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* @access public
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*/
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public static function backquoteCompat(
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$a_name,
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string $compatibility = 'MSSQL',
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$do_it = true
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) {
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if (is_array($a_name)) {
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foreach ($a_name as &$data) {
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$data = self::backquoteCompat($data, $compatibility, $do_it);
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}
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return $a_name;
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}
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if (! $do_it) {
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if (! (Context::isKeyword($a_name) & Token::FLAG_KEYWORD_RESERVED)) {
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return $a_name;
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}
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}
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// @todo add more compatibility cases (ORACLE for example)
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switch ($compatibility) {
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case 'MSSQL':
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$quote = '"';
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$escapeChar = '\\';
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break;
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default:
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$quote = '`';
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$escapeChar = '`';
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break;
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}
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// '0' is also empty for php :-(
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if (strlen((string) $a_name) > 0 && $a_name !== '*') {
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return $quote . str_replace($quote, $escapeChar . $quote, (string) $a_name) . $quote;
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}
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return $a_name;
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} // end of the 'backquoteCompat()' function
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|
|
|
/**
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* Verifies if current MySQL server supports profiling
|
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*
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* @return bool whether profiling is supported
|
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*
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* @access public
|
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*/
|
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public static function profilingSupported()
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{
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if (! self::cacheExists('profiling_supported')) {
|
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// 5.0.37 has profiling but for example, 5.1.20 does not
|
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// (avoid a trip to the server for MySQL before 5.0.37)
|
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// and do not set a constant as we might be switching servers
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if ($GLOBALS['dbi']->fetchValue('SELECT @@have_profiling')
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) {
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self::cacheSet('profiling_supported', true);
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} else {
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self::cacheSet('profiling_supported', false);
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}
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}
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return self::cacheGet('profiling_supported');
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}
|
|
|
|
/**
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|
* Formats $value to byte view
|
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*
|
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* @param float|int|string|null $value the value to format
|
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* @param int $limes the sensitiveness
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|
* @param int $comma the number of decimals to retain
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*
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* @return array|null the formatted value and its unit
|
|
*
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* @access public
|
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*/
|
|
public static function formatByteDown($value, $limes = 6, $comma = 0)
|
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{
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if ($value === null) {
|
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return null;
|
|
}
|
|
|
|
$byteUnits = [
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/* l10n: shortcuts for Byte */
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__('B'),
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/* l10n: shortcuts for Kilobyte */
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__('KiB'),
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/* l10n: shortcuts for Megabyte */
|
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__('MiB'),
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/* l10n: shortcuts for Gigabyte */
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__('GiB'),
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/* l10n: shortcuts for Terabyte */
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__('TiB'),
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/* l10n: shortcuts for Petabyte */
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__('PiB'),
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/* l10n: shortcuts for Exabyte */
|
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__('EiB'),
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];
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|
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$dh = pow(10, $comma);
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$li = pow(10, $limes);
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$unit = $byteUnits[0];
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|
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for ($d = 6, $ex = 15; $d >= 1; $d--, $ex -= 3) {
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$unitSize = $li * pow(10, $ex);
|
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if (isset($byteUnits[$d]) && $value >= $unitSize) {
|
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// use 1024.0 to avoid integer overflow on 64-bit machines
|
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$value = round($value / (pow(1024, $d) / $dh)) / $dh;
|
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$unit = $byteUnits[$d];
|
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break 1;
|
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} // end if
|
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} // end for
|
|
|
|
if ($unit != $byteUnits[0]) {
|
|
// if the unit is not bytes (as represented in current language)
|
|
// reformat with max length of 5
|
|
// 4th parameter=true means do not reformat if value < 1
|
|
$return_value = self::formatNumber($value, 5, $comma, true, false);
|
|
} else {
|
|
// do not reformat, just handle the locale
|
|
$return_value = self::formatNumber($value, 0);
|
|
}
|
|
|
|
return [
|
|
trim($return_value),
|
|
$unit,
|
|
];
|
|
} // end of the 'formatByteDown' function
|
|
|
|
/**
|
|
* Formats $value to the given length and appends SI prefixes
|
|
* with a $length of 0 no truncation occurs, number is only formatted
|
|
* to the current locale
|
|
*
|
|
* examples:
|
|
* <code>
|
|
* echo formatNumber(123456789, 6); // 123,457 k
|
|
* echo formatNumber(-123456789, 4, 2); // -123.46 M
|
|
* echo formatNumber(-0.003, 6); // -3 m
|
|
* echo formatNumber(0.003, 3, 3); // 0.003
|
|
* echo formatNumber(0.00003, 3, 2); // 0.03 m
|
|
* echo formatNumber(0, 6); // 0
|
|
* </code>
|
|
*
|
|
* @param float|int|string $value the value to format
|
|
* @param int $digits_left number of digits left of the comma
|
|
* @param int $digits_right number of digits right of the comma
|
|
* @param bool $only_down do not reformat numbers below 1
|
|
* @param bool $noTrailingZero removes trailing zeros right of the comma (default: true)
|
|
*
|
|
* @return string the formatted value and its unit
|
|
*
|
|
* @access public
|
|
*/
|
|
public static function formatNumber(
|
|
$value,
|
|
$digits_left = 3,
|
|
$digits_right = 0,
|
|
$only_down = false,
|
|
$noTrailingZero = true
|
|
) {
|
|
if ($value == 0) {
|
|
return '0';
|
|
}
|
|
|
|
$originalValue = $value;
|
|
//number_format is not multibyte safe, str_replace is safe
|
|
if ($digits_left === 0) {
|
|
$value = number_format(
|
|
(float) $value,
|
|
$digits_right,
|
|
/* l10n: Decimal separator */
|
|
__('.'),
|
|
/* l10n: Thousands separator */
|
|
__(',')
|
|
);
|
|
if (($originalValue != 0) && (floatval($value) == 0)) {
|
|
$value = ' <' . (1 / pow(10, $digits_right));
|
|
}
|
|
return $value;
|
|
}
|
|
|
|
// this units needs no translation, ISO
|
|
$units = [
|
|
-8 => 'y',
|
|
-7 => 'z',
|
|
-6 => 'a',
|
|
-5 => 'f',
|
|
-4 => 'p',
|
|
-3 => 'n',
|
|
-2 => 'ยต',
|
|
-1 => 'm',
|
|
0 => ' ',
|
|
1 => 'k',
|
|
2 => 'M',
|
|
3 => 'G',
|
|
4 => 'T',
|
|
5 => 'P',
|
|
6 => 'E',
|
|
7 => 'Z',
|
|
8 => 'Y',
|
|
];
|
|
/* l10n: Decimal separator */
|
|
$decimal_sep = __('.');
|
|
/* l10n: Thousands separator */
|
|
$thousands_sep = __(',');
|
|
|
|
// check for negative value to retain sign
|
|
if ($value < 0) {
|
|
$sign = '-';
|
|
$value = abs($value);
|
|
} else {
|
|
$sign = '';
|
|
}
|
|
|
|
$dh = pow(10, $digits_right);
|
|
|
|
/*
|
|
* This gives us the right SI prefix already,
|
|
* but $digits_left parameter not incorporated
|
|
*/
|
|
$d = floor(log10((float) $value) / 3);
|
|
/*
|
|
* Lowering the SI prefix by 1 gives us an additional 3 zeros
|
|
* So if we have 3,6,9,12.. free digits ($digits_left - $cur_digits)
|
|
* to use, then lower the SI prefix
|
|
*/
|
|
$cur_digits = floor(log10($value / pow(1000, $d)) + 1);
|
|
if ($digits_left > $cur_digits) {
|
|
$d -= floor(($digits_left - $cur_digits) / 3);
|
|
}
|
|
|
|
if ($d < 0 && $only_down) {
|
|
$d = 0;
|
|
}
|
|
|
|
$value = round($value / (pow(1000, $d) / $dh)) / $dh;
|
|
$unit = $units[$d];
|
|
|
|
// number_format is not multibyte safe, str_replace is safe
|
|
$formattedValue = number_format(
|
|
$value,
|
|
$digits_right,
|
|
$decimal_sep,
|
|
$thousands_sep
|
|
);
|
|
// If we don't want any zeros, remove them now
|
|
if ($noTrailingZero && strpos($formattedValue, $decimal_sep) !== false) {
|
|
$formattedValue = preg_replace('/' . preg_quote($decimal_sep, '/') . '?0+$/', '', $formattedValue);
|
|
}
|
|
|
|
if ($originalValue != 0 && floatval($value) == 0) {
|
|
return ' <' . number_format(
|
|
1 / pow(10, $digits_right),
|
|
$digits_right,
|
|
$decimal_sep,
|
|
$thousands_sep
|
|
)
|
|
. ' ' . $unit;
|
|
}
|
|
|
|
return $sign . $formattedValue . ' ' . $unit;
|
|
} // end of the 'formatNumber' function
|
|
|
|
/**
|
|
* Returns the number of bytes when a formatted size is given
|
|
*
|
|
* @param string $formatted_size the size expression (for example 8MB)
|
|
*
|
|
* @return int The numerical part of the expression (for example 8)
|
|
*/
|
|
public static function extractValueFromFormattedSize($formatted_size)
|
|
{
|
|
$return_value = -1;
|
|
|
|
$formatted_size = (string) $formatted_size;
|
|
|
|
if (preg_match('/^[0-9]+GB$/', $formatted_size)) {
|
|
$return_value = (int) mb_substr(
|
|
$formatted_size,
|
|
0,
|
|
-2
|
|
) * pow(1024, 3);
|
|
} elseif (preg_match('/^[0-9]+MB$/', $formatted_size)) {
|
|
$return_value = (int) mb_substr(
|
|
$formatted_size,
|
|
0,
|
|
-2
|
|
) * pow(1024, 2);
|
|
} elseif (preg_match('/^[0-9]+K$/', $formatted_size)) {
|
|
$return_value = (int) mb_substr(
|
|
$formatted_size,
|
|
0,
|
|
-1
|
|
) * pow(1024, 1);
|
|
}
|
|
return $return_value;
|
|
}
|
|
|
|
/**
|
|
* Writes localised date
|
|
*
|
|
* @param int $timestamp the current timestamp
|
|
* @param string $format format
|
|
*
|
|
* @return string the formatted date
|
|
*
|
|
* @access public
|
|
*/
|
|
public static function localisedDate($timestamp = -1, $format = '')
|
|
{
|
|
$month = [
|
|
/* l10n: Short month name */
|
|
__('Jan'),
|
|
/* l10n: Short month name */
|
|
__('Feb'),
|
|
/* l10n: Short month name */
|
|
__('Mar'),
|
|
/* l10n: Short month name */
|
|
__('Apr'),
|
|
/* l10n: Short month name */
|
|
_pgettext('Short month name', 'May'),
|
|
/* l10n: Short month name */
|
|
__('Jun'),
|
|
/* l10n: Short month name */
|
|
__('Jul'),
|
|
/* l10n: Short month name */
|
|
__('Aug'),
|
|
/* l10n: Short month name */
|
|
__('Sep'),
|
|
/* l10n: Short month name */
|
|
__('Oct'),
|
|
/* l10n: Short month name */
|
|
__('Nov'),
|
|
/* l10n: Short month name */
|
|
__('Dec'),
|
|
];
|
|
$day_of_week = [
|
|
/* l10n: Short week day name for Sunday */
|
|
_pgettext('Short week day name for Sunday', 'Sun'),
|
|
/* l10n: Short week day name for Monday */
|
|
__('Mon'),
|
|
/* l10n: Short week day name for Tuesday */
|
|
__('Tue'),
|
|
/* l10n: Short week day name for Wednesday */
|
|
__('Wed'),
|
|
/* l10n: Short week day name for Thursday */
|
|
__('Thu'),
|
|
/* l10n: Short week day name for Friday */
|
|
__('Fri'),
|
|
/* l10n: Short week day name for Saturday */
|
|
__('Sat'),
|
|
];
|
|
|
|
if ($format == '') {
|
|
/* l10n: See https://www.php.net/manual/en/function.strftime.php */
|
|
$format = __('%B %d, %Y at %I:%M %p');
|
|
}
|
|
|
|
if ($timestamp == -1) {
|
|
$timestamp = time();
|
|
}
|
|
|
|
$date = preg_replace(
|
|
'@%[aA]@',
|
|
$day_of_week[(int) strftime('%w', (int) $timestamp)],
|
|
$format
|
|
);
|
|
$date = preg_replace(
|
|
'@%[bB]@',
|
|
$month[(int) strftime('%m', (int) $timestamp) - 1],
|
|
$date
|
|
);
|
|
|
|
/* Fill in AM/PM */
|
|
$hours = (int) date('H', (int) $timestamp);
|
|
if ($hours >= 12) {
|
|
$am_pm = _pgettext('AM/PM indication in time', 'PM');
|
|
} else {
|
|
$am_pm = _pgettext('AM/PM indication in time', 'AM');
|
|
}
|
|
$date = preg_replace('@%[pP]@', $am_pm, $date);
|
|
|
|
// Can return false on windows for Japanese language
|
|
// See https://github.com/phpmyadmin/phpmyadmin/issues/15830
|
|
$ret = strftime($date, (int) $timestamp);
|
|
// Some OSes such as Win8.1 Traditional Chinese version did not produce UTF-8
|
|
// output here. See https://github.com/phpmyadmin/phpmyadmin/issues/10598
|
|
if ($ret === false || mb_detect_encoding($ret, 'UTF-8', true) != 'UTF-8') {
|
|
$ret = date('Y-m-d H:i:s', (int) $timestamp);
|
|
}
|
|
|
|
return $ret;
|
|
} // end of the 'localisedDate()' function
|
|
|
|
/**
|
|
* Splits a URL string by parameter
|
|
*
|
|
* @param string $url the URL
|
|
*
|
|
* @return array the parameter/value pairs, for example [0] db=sakila
|
|
*/
|
|
public static function splitURLQuery($url)
|
|
{
|
|
// decode encoded url separators
|
|
$separator = Url::getArgSeparator();
|
|
// on most places separator is still hard coded ...
|
|
if ($separator !== '&') {
|
|
// ... so always replace & with $separator
|
|
$url = str_replace([htmlentities('&'), '&'], [$separator, $separator], $url);
|
|
}
|
|
|
|
$url = str_replace(htmlentities($separator), $separator, $url);
|
|
// end decode
|
|
|
|
$url_parts = parse_url($url);
|
|
|
|
if (! empty($url_parts['query'])) {
|
|
return explode($separator, $url_parts['query']);
|
|
}
|
|
|
|
return [];
|
|
}
|
|
|
|
/**
|
|
* Returns a given timespan value in a readable format.
|
|
*
|
|
* @param int $seconds the timespan
|
|
*
|
|
* @return string the formatted value
|
|
*/
|
|
public static function timespanFormat($seconds)
|
|
{
|
|
$days = floor($seconds / 86400);
|
|
if ($days > 0) {
|
|
$seconds -= $days * 86400;
|
|
}
|
|
|
|
$hours = floor($seconds / 3600);
|
|
if ($days > 0 || $hours > 0) {
|
|
$seconds -= $hours * 3600;
|
|
}
|
|
|
|
$minutes = floor($seconds / 60);
|
|
if ($days > 0 || $hours > 0 || $minutes > 0) {
|
|
$seconds -= $minutes * 60;
|
|
}
|
|
|
|
return sprintf(
|
|
__('%s days, %s hours, %s minutes and %s seconds'),
|
|
(string) $days,
|
|
(string) $hours,
|
|
(string) $minutes,
|
|
(string) $seconds
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Function added to avoid path disclosures.
|
|
* Called by each script that needs parameters, it displays
|
|
* an error message and, by default, stops the execution.
|
|
*
|
|
* @param string[] $params The names of the parameters needed by the calling
|
|
* script
|
|
* @param bool $request Check parameters in request
|
|
*
|
|
* @return void
|
|
*
|
|
* @access public
|
|
*/
|
|
public static function checkParameters($params, $request = false)
|
|
{
|
|
$reported_script_name = basename($GLOBALS['PMA_PHP_SELF']);
|
|
$found_error = false;
|
|
$error_message = '';
|
|
if ($request) {
|
|
$array = $_REQUEST;
|
|
} else {
|
|
$array = $GLOBALS;
|
|
}
|
|
|
|
foreach ($params as $param) {
|
|
if (! isset($array[$param])) {
|
|
$error_message .= $reported_script_name
|
|
. ': ' . __('Missing parameter:') . ' '
|
|
. $param
|
|
. MySQLDocumentation::showDocumentation('faq', 'faqmissingparameters', true)
|
|
. '[br]';
|
|
$found_error = true;
|
|
}
|
|
}
|
|
if ($found_error) {
|
|
Core::fatalError($error_message);
|
|
}
|
|
} // end function
|
|
|
|
/**
|
|
* Function to generate unique condition for specified row.
|
|
*
|
|
* @param resource $handle current query result
|
|
* @param int $fields_cnt number of fields
|
|
* @param stdClass[] $fields_meta meta information about fields
|
|
* @param array $row current row
|
|
* @param bool $force_unique generate condition only on pk
|
|
* or unique
|
|
* @param string|bool $restrict_to_table restrict the unique condition
|
|
* to this table or false if
|
|
* none
|
|
* @param array|null $analyzed_sql_results the analyzed query
|
|
*
|
|
* @return array the calculated condition and whether condition is unique
|
|
*
|
|
* @access public
|
|
*/
|
|
public static function getUniqueCondition(
|
|
$handle,
|
|
$fields_cnt,
|
|
array $fields_meta,
|
|
array $row,
|
|
$force_unique = false,
|
|
$restrict_to_table = false,
|
|
$analyzed_sql_results = null
|
|
) {
|
|
$primary_key = '';
|
|
$unique_key = '';
|
|
$nonprimary_condition = '';
|
|
$preferred_condition = '';
|
|
$primary_key_array = [];
|
|
$unique_key_array = [];
|
|
$nonprimary_condition_array = [];
|
|
$condition_array = [];
|
|
|
|
for ($i = 0; $i < $fields_cnt; ++$i) {
|
|
$con_val = '';
|
|
$field_flags = $GLOBALS['dbi']->fieldFlags($handle, $i);
|
|
$meta = $fields_meta[$i];
|
|
|
|
// do not use a column alias in a condition
|
|
if (! isset($meta->orgname) || strlen($meta->orgname) === 0) {
|
|
$meta->orgname = $meta->name;
|
|
|
|
if (! empty($analyzed_sql_results['statement']->expr)) {
|
|
foreach ($analyzed_sql_results['statement']->expr as $expr) {
|
|
if (empty($expr->alias) || empty($expr->column)) {
|
|
continue;
|
|
}
|
|
if (strcasecmp($meta->name, $expr->alias) == 0) {
|
|
$meta->orgname = $expr->column;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Do not use a table alias in a condition.
|
|
// Test case is:
|
|
// select * from galerie x WHERE
|
|
//(select count(*) from galerie y where y.datum=x.datum)>1
|
|
//
|
|
// But orgtable is present only with mysqli extension so the
|
|
// fix is only for mysqli.
|
|
// Also, do not use the original table name if we are dealing with
|
|
// a view because this view might be updatable.
|
|
// (The isView() verification should not be costly in most cases
|
|
// because there is some caching in the function).
|
|
if (isset($meta->orgtable)
|
|
&& ($meta->table != $meta->orgtable)
|
|
&& ! $GLOBALS['dbi']->getTable($GLOBALS['db'], $meta->table)->isView()
|
|
) {
|
|
$meta->table = $meta->orgtable;
|
|
}
|
|
|
|
// If this field is not from the table which the unique clause needs
|
|
// to be restricted to.
|
|
if ($restrict_to_table && $restrict_to_table != $meta->table) {
|
|
continue;
|
|
}
|
|
|
|
// to fix the bug where float fields (primary or not)
|
|
// can't be matched because of the imprecision of
|
|
// floating comparison, use CONCAT
|
|
// (also, the syntax "CONCAT(field) IS NULL"
|
|
// that we need on the next "if" will work)
|
|
if ($meta->type == 'real') {
|
|
$con_key = 'CONCAT(' . self::backquote($meta->table) . '.'
|
|
. self::backquote($meta->orgname) . ')';
|
|
} else {
|
|
$con_key = self::backquote($meta->table) . '.'
|
|
. self::backquote($meta->orgname);
|
|
} // end if... else...
|
|
$condition = ' ' . $con_key . ' ';
|
|
|
|
if (! isset($row[$i]) || $row[$i] === null) {
|
|
$con_val = 'IS NULL';
|
|
} else {
|
|
// timestamp is numeric on some MySQL 4.1
|
|
// for real we use CONCAT above and it should compare to string
|
|
if ($meta->numeric
|
|
&& ($meta->type != 'timestamp')
|
|
&& ($meta->type != 'real')
|
|
) {
|
|
$con_val = '= ' . $row[$i];
|
|
} elseif (($meta->type == 'blob') || ($meta->type == 'string')
|
|
&& stripos($field_flags, 'BINARY') !== false
|
|
&& ! empty($row[$i])
|
|
) {
|
|
// hexify only if this is a true not empty BLOB or a BINARY
|
|
|
|
// do not waste memory building a too big condition
|
|
if (mb_strlen($row[$i]) < 1000) {
|
|
// use a CAST if possible, to avoid problems
|
|
// if the field contains wildcard characters % or _
|
|
$con_val = '= CAST(0x' . bin2hex($row[$i]) . ' AS BINARY)';
|
|
} elseif ($fields_cnt == 1) {
|
|
// when this blob is the only field present
|
|
// try settling with length comparison
|
|
$condition = ' CHAR_LENGTH(' . $con_key . ') ';
|
|
$con_val = ' = ' . mb_strlen($row[$i]);
|
|
} else {
|
|
// this blob won't be part of the final condition
|
|
$con_val = null;
|
|
}
|
|
} elseif (in_array($meta->type, self::getGISDatatypes())
|
|
&& ! empty($row[$i])
|
|
) {
|
|
// do not build a too big condition
|
|
if (mb_strlen($row[$i]) < 5000) {
|
|
$condition .= '=0x' . bin2hex($row[$i]) . ' AND';
|
|
} else {
|
|
$condition = '';
|
|
}
|
|
} elseif ($meta->type == 'bit') {
|
|
$con_val = "= b'"
|
|
. self::printableBitValue((int) $row[$i], (int) $meta->length) . "'";
|
|
} else {
|
|
$con_val = '= \''
|
|
. $GLOBALS['dbi']->escapeString($row[$i]) . '\'';
|
|
}
|
|
}
|
|
|
|
if ($con_val != null) {
|
|
$condition .= $con_val . ' AND';
|
|
|
|
if ($meta->primary_key > 0) {
|
|
$primary_key .= $condition;
|
|
$primary_key_array[$con_key] = $con_val;
|
|
} elseif ($meta->unique_key > 0) {
|
|
$unique_key .= $condition;
|
|
$unique_key_array[$con_key] = $con_val;
|
|
}
|
|
|
|
$nonprimary_condition .= $condition;
|
|
$nonprimary_condition_array[$con_key] = $con_val;
|
|
}
|
|
} // end for
|
|
|
|
// Correction University of Virginia 19991216:
|
|
// prefer primary or unique keys for condition,
|
|
// but use conjunction of all values if no primary key
|
|
$clause_is_unique = true;
|
|
|
|
if ($primary_key) {
|
|
$preferred_condition = $primary_key;
|
|
$condition_array = $primary_key_array;
|
|
} elseif ($unique_key) {
|
|
$preferred_condition = $unique_key;
|
|
$condition_array = $unique_key_array;
|
|
} elseif (! $force_unique) {
|
|
$preferred_condition = $nonprimary_condition;
|
|
$condition_array = $nonprimary_condition_array;
|
|
$clause_is_unique = false;
|
|
}
|
|
|
|
$where_clause = trim(preg_replace('|\s?AND$|', '', $preferred_condition));
|
|
return [
|
|
$where_clause,
|
|
$clause_is_unique,
|
|
$condition_array,
|
|
];
|
|
} // end function
|
|
|
|
/**
|
|
* Generate the charset query part
|
|
*
|
|
* @param string $collation Collation
|
|
* @param bool $override (optional) force 'CHARACTER SET' keyword
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function getCharsetQueryPart($collation, $override = false)
|
|
{
|
|
[$charset] = explode('_', $collation);
|
|
$keyword = ' CHARSET=';
|
|
|
|
if ($override) {
|
|
$keyword = ' CHARACTER SET ';
|
|
}
|
|
return $keyword . $charset
|
|
. ($charset == $collation ? '' : ' COLLATE ' . $collation);
|
|
}
|
|
|
|
/**
|
|
* Generate a pagination selector for browsing resultsets
|
|
*
|
|
* @param string $name The name for the request parameter
|
|
* @param int $rows Number of rows in the pagination set
|
|
* @param int $pageNow current page number
|
|
* @param int $nbTotalPage number of total pages
|
|
* @param int $showAll If the number of pages is lower than this
|
|
* variable, no pages will be omitted in pagination
|
|
* @param int $sliceStart How many rows at the beginning should always
|
|
* be shown?
|
|
* @param int $sliceEnd How many rows at the end should always be shown?
|
|
* @param int $percent Percentage of calculation page offsets to hop to a
|
|
* next page
|
|
* @param int $range Near the current page, how many pages should
|
|
* be considered "nearby" and displayed as well?
|
|
* @param string $prompt The prompt to display (sometimes empty)
|
|
*
|
|
* @return string
|
|
*
|
|
* @access public
|
|
*/
|
|
public static function pageselector(
|
|
$name,
|
|
$rows,
|
|
$pageNow = 1,
|
|
$nbTotalPage = 1,
|
|
$showAll = 200,
|
|
$sliceStart = 5,
|
|
$sliceEnd = 5,
|
|
$percent = 20,
|
|
$range = 10,
|
|
$prompt = ''
|
|
) {
|
|
$increment = floor($nbTotalPage / $percent);
|
|
$pageNowMinusRange = $pageNow - $range;
|
|
$pageNowPlusRange = $pageNow + $range;
|
|
|
|
$gotopage = $prompt . ' <select class="pageselector ajax"';
|
|
|
|
$gotopage .= ' name="' . $name . '" >';
|
|
if ($nbTotalPage < $showAll) {
|
|
$pages = range(1, $nbTotalPage);
|
|
} else {
|
|
$pages = [];
|
|
|
|
// Always show first X pages
|
|
for ($i = 1; $i <= $sliceStart; $i++) {
|
|
$pages[] = $i;
|
|
}
|
|
|
|
// Always show last X pages
|
|
for ($i = $nbTotalPage - $sliceEnd; $i <= $nbTotalPage; $i++) {
|
|
$pages[] = $i;
|
|
}
|
|
|
|
// Based on the number of results we add the specified
|
|
// $percent percentage to each page number,
|
|
// so that we have a representing page number every now and then to
|
|
// immediately jump to specific pages.
|
|
// As soon as we get near our currently chosen page ($pageNow -
|
|
// $range), every page number will be shown.
|
|
$i = $sliceStart;
|
|
$x = $nbTotalPage - $sliceEnd;
|
|
$met_boundary = false;
|
|
|
|
while ($i <= $x) {
|
|
if ($i >= $pageNowMinusRange && $i <= $pageNowPlusRange) {
|
|
// If our pageselector comes near the current page, we use 1
|
|
// counter increments
|
|
$i++;
|
|
$met_boundary = true;
|
|
} else {
|
|
// We add the percentage increment to our current page to
|
|
// hop to the next one in range
|
|
$i += $increment;
|
|
|
|
// Make sure that we do not cross our boundaries.
|
|
if ($i > $pageNowMinusRange && ! $met_boundary) {
|
|
$i = $pageNowMinusRange;
|
|
}
|
|
}
|
|
|
|
if ($i > 0 && $i <= $x) {
|
|
$pages[] = $i;
|
|
}
|
|
}
|
|
|
|
/*
|
|
Add page numbers with "geometrically increasing" distances.
|
|
|
|
This helps me a lot when navigating through giant tables.
|
|
|
|
Test case: table with 2.28 million sets, 76190 pages. Page of interest
|
|
is between 72376 and 76190.
|
|
Selecting page 72376.
|
|
Now, old version enumerated only +/- 10 pages around 72376 and the
|
|
percentage increment produced steps of about 3000.
|
|
|
|
The following code adds page numbers +/- 2,4,8,16,32,64,128,256 etc.
|
|
around the current page.
|
|
*/
|
|
$i = $pageNow;
|
|
$dist = 1;
|
|
while ($i < $x) {
|
|
$dist = 2 * $dist;
|
|
$i = $pageNow + $dist;
|
|
if ($i > 0 && $i <= $x) {
|
|
$pages[] = $i;
|
|
}
|
|
}
|
|
|
|
$i = $pageNow;
|
|
$dist = 1;
|
|
while ($i > 0) {
|
|
$dist = 2 * $dist;
|
|
$i = $pageNow - $dist;
|
|
if ($i > 0 && $i <= $x) {
|
|
$pages[] = $i;
|
|
}
|
|
}
|
|
|
|
// Since because of ellipsing of the current page some numbers may be
|
|
// double, we unify our array:
|
|
sort($pages);
|
|
$pages = array_unique($pages);
|
|
}
|
|
|
|
foreach ($pages as $i) {
|
|
if ($i == $pageNow) {
|
|
$selected = 'selected="selected" style="font-weight: bold"';
|
|
} else {
|
|
$selected = '';
|
|
}
|
|
$gotopage .= ' <option ' . $selected
|
|
. ' value="' . (($i - 1) * $rows) . '">' . $i . '</option>' . "\n";
|
|
}
|
|
|
|
$gotopage .= ' </select>';
|
|
|
|
return $gotopage;
|
|
} // end function
|
|
|
|
/**
|
|
* Calculate page number through position
|
|
*
|
|
* @param int $pos position of first item
|
|
* @param int $max_count number of items per page
|
|
*
|
|
* @return int $page_num
|
|
*
|
|
* @access public
|
|
*/
|
|
public static function getPageFromPosition($pos, $max_count)
|
|
{
|
|
return (int) floor($pos / $max_count) + 1;
|
|
}
|
|
|
|
/**
|
|
* replaces %u in given path with current user name
|
|
*
|
|
* example:
|
|
* <code>
|
|
* $user_dir = userDir('/var/pma_tmp/%u/'); // '/var/pma_tmp/root/'
|
|
*
|
|
* </code>
|
|
*
|
|
* @param string $dir with wildcard for user
|
|
*
|
|
* @return string per user directory
|
|
*/
|
|
public static function userDir($dir)
|
|
{
|
|
// add trailing slash
|
|
if (mb_substr($dir, -1) != '/') {
|
|
$dir .= '/';
|
|
}
|
|
|
|
return str_replace('%u', Core::securePath($GLOBALS['cfg']['Server']['user']), $dir);
|
|
}
|
|
|
|
/**
|
|
* Clears cache content which needs to be refreshed on user change.
|
|
*
|
|
* @return void
|
|
*/
|
|
public static function clearUserCache()
|
|
{
|
|
self::cacheUnset('is_superuser');
|
|
self::cacheUnset('is_createuser');
|
|
self::cacheUnset('is_grantuser');
|
|
}
|
|
|
|
/**
|
|
* Calculates session cache key
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function cacheKey()
|
|
{
|
|
if (isset($GLOBALS['cfg']['Server']['user'])) {
|
|
return 'server_' . $GLOBALS['server'] . '_' . $GLOBALS['cfg']['Server']['user'];
|
|
}
|
|
|
|
return 'server_' . $GLOBALS['server'];
|
|
}
|
|
|
|
/**
|
|
* Verifies if something is cached in the session
|
|
*
|
|
* @param string $var variable name
|
|
*
|
|
* @return bool
|
|
*/
|
|
public static function cacheExists($var)
|
|
{
|
|
return isset($_SESSION['cache'][self::cacheKey()][$var]);
|
|
}
|
|
|
|
/**
|
|
* Gets cached information from the session
|
|
*
|
|
* @param string $var variable name
|
|
* @param Closure $callback callback to fetch the value
|
|
*
|
|
* @return mixed
|
|
*/
|
|
public static function cacheGet($var, $callback = null)
|
|
{
|
|
if (self::cacheExists($var)) {
|
|
return $_SESSION['cache'][self::cacheKey()][$var];
|
|
}
|
|
|
|
if ($callback) {
|
|
$val = $callback();
|
|
self::cacheSet($var, $val);
|
|
return $val;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Caches information in the session
|
|
*
|
|
* @param string $var variable name
|
|
* @param mixed $val value
|
|
*
|
|
* @return void
|
|
*/
|
|
public static function cacheSet($var, $val = null)
|
|
{
|
|
$_SESSION['cache'][self::cacheKey()][$var] = $val;
|
|
}
|
|
|
|
/**
|
|
* Removes cached information from the session
|
|
*
|
|
* @param string $var variable name
|
|
*
|
|
* @return void
|
|
*/
|
|
public static function cacheUnset($var)
|
|
{
|
|
unset($_SESSION['cache'][self::cacheKey()][$var]);
|
|
}
|
|
|
|
/**
|
|
* Converts a bit value to printable format;
|
|
* in MySQL a BIT field can be from 1 to 64 bits so we need this
|
|
* function because in PHP, decbin() supports only 32 bits
|
|
* on 32-bit servers
|
|
*
|
|
* @param int $value coming from a BIT field
|
|
* @param int $length length
|
|
*
|
|
* @return string the printable value
|
|
*/
|
|
public static function printableBitValue(int $value, int $length): string
|
|
{
|
|
// if running on a 64-bit server or the length is safe for decbin()
|
|
if (PHP_INT_SIZE == 8 || $length < 33) {
|
|
$printable = decbin($value);
|
|
} else {
|
|
// FIXME: does not work for the leftmost bit of a 64-bit value
|
|
$i = 0;
|
|
$printable = '';
|
|
while ($value >= pow(2, $i)) {
|
|
++$i;
|
|
}
|
|
if ($i != 0) {
|
|
--$i;
|
|
}
|
|
|
|
while ($i >= 0) {
|
|
if ($value - pow(2, $i) < 0) {
|
|
$printable = '0' . $printable;
|
|
} else {
|
|
$printable = '1' . $printable;
|
|
$value -= pow(2, $i);
|
|
}
|
|
--$i;
|
|
}
|
|
$printable = strrev($printable);
|
|
}
|
|
$printable = str_pad($printable, $length, '0', STR_PAD_LEFT);
|
|
return $printable;
|
|
}
|
|
|
|
/**
|
|
* Converts a BIT type default value
|
|
* for example, b'010' becomes 010
|
|
*
|
|
* @param string $bit_default_value value
|
|
*
|
|
* @return string the converted value
|
|
*/
|
|
public static function convertBitDefaultValue(string $bit_default_value): string
|
|
{
|
|
return (string) preg_replace("/^b'(\d*)'?$/", '$1', htmlspecialchars_decode((string) $bit_default_value, ENT_QUOTES), 1);
|
|
}
|
|
|
|
/**
|
|
* Extracts the various parts from a column spec
|
|
*
|
|
* @param string $columnspec Column specification
|
|
*
|
|
* @return array associative array containing type, spec_in_brackets
|
|
* and possibly enum_set_values (another array)
|
|
*/
|
|
public static function extractColumnSpec($columnspec)
|
|
{
|
|
$first_bracket_pos = mb_strpos($columnspec, '(');
|
|
if ($first_bracket_pos) {
|
|
$spec_in_brackets = rtrim(
|
|
mb_substr(
|
|
$columnspec,
|
|
$first_bracket_pos + 1,
|
|
mb_strrpos($columnspec, ')') - $first_bracket_pos - 1
|
|
)
|
|
);
|
|
// convert to lowercase just to be sure
|
|
$type = mb_strtolower(
|
|
rtrim(mb_substr($columnspec, 0, $first_bracket_pos))
|
|
);
|
|
} else {
|
|
// Split trailing attributes such as unsigned,
|
|
// binary, zerofill and get data type name
|
|
$type_parts = explode(' ', $columnspec);
|
|
$type = mb_strtolower($type_parts[0]);
|
|
$spec_in_brackets = '';
|
|
}
|
|
|
|
if ($type == 'enum' || $type == 'set') {
|
|
// Define our working vars
|
|
$enum_set_values = self::parseEnumSetValues($columnspec, false);
|
|
$printtype = $type
|
|
. '(' . str_replace("','", "', '", $spec_in_brackets) . ')';
|
|
$binary = false;
|
|
$unsigned = false;
|
|
$zerofill = false;
|
|
} else {
|
|
$enum_set_values = [];
|
|
|
|
/* Create printable type name */
|
|
$printtype = mb_strtolower($columnspec);
|
|
|
|
// Strip the "BINARY" attribute, except if we find "BINARY(" because
|
|
// this would be a BINARY or VARBINARY column type;
|
|
// by the way, a BLOB should not show the BINARY attribute
|
|
// because this is not accepted in MySQL syntax.
|
|
if (strpos($printtype, 'binary') !== false
|
|
&& ! preg_match('@binary[\(]@', $printtype)
|
|
) {
|
|
$printtype = str_replace('binary', '', $printtype);
|
|
$binary = true;
|
|
} else {
|
|
$binary = false;
|
|
}
|
|
|
|
$printtype = preg_replace(
|
|
'@zerofill@',
|
|
'',
|
|
$printtype,
|
|
-1,
|
|
$zerofill_cnt
|
|
);
|
|
$zerofill = ($zerofill_cnt > 0);
|
|
$printtype = preg_replace(
|
|
'@unsigned@',
|
|
'',
|
|
$printtype,
|
|
-1,
|
|
$unsigned_cnt
|
|
);
|
|
$unsigned = ($unsigned_cnt > 0);
|
|
$printtype = trim($printtype);
|
|
}
|
|
|
|
$attribute = ' ';
|
|
if ($binary) {
|
|
$attribute = 'BINARY';
|
|
}
|
|
if ($unsigned) {
|
|
$attribute = 'UNSIGNED';
|
|
}
|
|
if ($zerofill) {
|
|
$attribute = 'UNSIGNED ZEROFILL';
|
|
}
|
|
|
|
$can_contain_collation = false;
|
|
if (! $binary
|
|
&& preg_match(
|
|
'@^(char|varchar|text|tinytext|mediumtext|longtext|set|enum)@',
|
|
$type
|
|
)
|
|
) {
|
|
$can_contain_collation = true;
|
|
}
|
|
|
|
// for the case ENUM('–','“')
|
|
$displayed_type = htmlspecialchars($printtype);
|
|
if (mb_strlen($printtype) > $GLOBALS['cfg']['LimitChars']) {
|
|
$displayed_type = '<abbr title="' . htmlspecialchars($printtype) . '">';
|
|
$displayed_type .= htmlspecialchars(
|
|
mb_substr(
|
|
$printtype,
|
|
0,
|
|
(int) $GLOBALS['cfg']['LimitChars']
|
|
) . '...'
|
|
);
|
|
$displayed_type .= '</abbr>';
|
|
}
|
|
|
|
return [
|
|
'type' => $type,
|
|
'spec_in_brackets' => $spec_in_brackets,
|
|
'enum_set_values' => $enum_set_values,
|
|
'print_type' => $printtype,
|
|
'binary' => $binary,
|
|
'unsigned' => $unsigned,
|
|
'zerofill' => $zerofill,
|
|
'attribute' => $attribute,
|
|
'can_contain_collation' => $can_contain_collation,
|
|
'displayed_type' => $displayed_type,
|
|
];
|
|
}
|
|
|
|
/**
|
|
* Verifies if this table's engine supports foreign keys
|
|
*
|
|
* @param string $engine engine
|
|
*
|
|
* @return bool
|
|
*/
|
|
public static function isForeignKeySupported($engine)
|
|
{
|
|
$engine = strtoupper((string) $engine);
|
|
if (($engine == 'INNODB') || ($engine == 'PBXT')) {
|
|
return true;
|
|
} elseif ($engine == 'NDBCLUSTER' || $engine == 'NDB') {
|
|
$ndbver = strtolower(
|
|
$GLOBALS['dbi']->fetchValue('SELECT @@ndb_version_string')
|
|
);
|
|
if (substr($ndbver, 0, 4) == 'ndb-') {
|
|
$ndbver = substr($ndbver, 4);
|
|
}
|
|
return version_compare($ndbver, '7.3', '>=');
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Is Foreign key check enabled?
|
|
*
|
|
* @return bool
|
|
*/
|
|
public static function isForeignKeyCheck()
|
|
{
|
|
if ($GLOBALS['cfg']['DefaultForeignKeyChecks'] === 'enable') {
|
|
return true;
|
|
} elseif ($GLOBALS['cfg']['DefaultForeignKeyChecks'] === 'disable') {
|
|
return false;
|
|
}
|
|
return $GLOBALS['dbi']->getVariable('FOREIGN_KEY_CHECKS') == 'ON';
|
|
}
|
|
|
|
/**
|
|
* Handle foreign key check request
|
|
*
|
|
* @return bool Default foreign key checks value
|
|
*/
|
|
public static function handleDisableFKCheckInit()
|
|
{
|
|
$default_fk_check_value
|
|
= $GLOBALS['dbi']->getVariable('FOREIGN_KEY_CHECKS') == 'ON';
|
|
if (isset($_REQUEST['fk_checks'])) {
|
|
if (empty($_REQUEST['fk_checks'])) {
|
|
// Disable foreign key checks
|
|
$GLOBALS['dbi']->setVariable('FOREIGN_KEY_CHECKS', 'OFF');
|
|
} else {
|
|
// Enable foreign key checks
|
|
$GLOBALS['dbi']->setVariable('FOREIGN_KEY_CHECKS', 'ON');
|
|
}
|
|
} // else do nothing, go with default
|
|
return $default_fk_check_value;
|
|
}
|
|
|
|
/**
|
|
* Cleanup changes done for foreign key check
|
|
*
|
|
* @param bool $default_fk_check_value original value for 'FOREIGN_KEY_CHECKS'
|
|
*
|
|
* @return void
|
|
*/
|
|
public static function handleDisableFKCheckCleanup($default_fk_check_value)
|
|
{
|
|
$GLOBALS['dbi']->setVariable(
|
|
'FOREIGN_KEY_CHECKS',
|
|
$default_fk_check_value ? 'ON' : 'OFF'
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Converts GIS data to Well Known Text format
|
|
*
|
|
* @param string $data GIS data
|
|
* @param bool $includeSRID Add SRID to the WKT
|
|
*
|
|
* @return string GIS data in Well Know Text format
|
|
*/
|
|
public static function asWKT($data, $includeSRID = false)
|
|
{
|
|
// Convert to WKT format
|
|
$hex = bin2hex($data);
|
|
$spatialAsText = 'ASTEXT';
|
|
$spatialSrid = 'SRID';
|
|
if ($GLOBALS['dbi']->getVersion() >= 50600) {
|
|
$spatialAsText = 'ST_ASTEXT';
|
|
$spatialSrid = 'ST_SRID';
|
|
}
|
|
$wktsql = 'SELECT ' . $spatialAsText . "(x'" . $hex . "')";
|
|
if ($includeSRID) {
|
|
$wktsql .= ', ' . $spatialSrid . "(x'" . $hex . "')";
|
|
}
|
|
|
|
$wktresult = $GLOBALS['dbi']->tryQuery(
|
|
$wktsql
|
|
);
|
|
$wktarr = $GLOBALS['dbi']->fetchRow($wktresult, 0);
|
|
$wktval = $wktarr[0] ?? null;
|
|
|
|
if ($includeSRID) {
|
|
$srid = $wktarr[1] ?? null;
|
|
$wktval = "'" . $wktval . "'," . $srid;
|
|
}
|
|
@$GLOBALS['dbi']->freeResult($wktresult);
|
|
|
|
return $wktval;
|
|
}
|
|
|
|
/**
|
|
* If the string starts with a \r\n pair (0x0d0a) add an extra \n
|
|
*
|
|
* @param string $string string
|
|
*
|
|
* @return string with the chars replaced
|
|
*/
|
|
public static function duplicateFirstNewline($string)
|
|
{
|
|
$first_occurence = mb_strpos($string, "\r\n");
|
|
if ($first_occurence === 0) {
|
|
$string = "\n" . $string;
|
|
}
|
|
return $string;
|
|
}
|
|
|
|
/**
|
|
* Get the action word corresponding to a script name
|
|
* in order to display it as a title in navigation panel
|
|
*
|
|
* @param string $target a valid value for $cfg['NavigationTreeDefaultTabTable'],
|
|
* $cfg['NavigationTreeDefaultTabTable2'],
|
|
* $cfg['DefaultTabTable'] or $cfg['DefaultTabDatabase']
|
|
*
|
|
* @return string|bool Title for the $cfg value
|
|
*/
|
|
public static function getTitleForTarget($target)
|
|
{
|
|
$mapping = [
|
|
'structure' => __('Structure'),
|
|
'sql' => __('SQL'),
|
|
'search' => __('Search'),
|
|
'insert' => __('Insert'),
|
|
'browse' => __('Browse'),
|
|
'operations' => __('Operations'),
|
|
];
|
|
return $mapping[$target] ?? false;
|
|
}
|
|
|
|
/**
|
|
* Get the script name corresponding to a plain English config word
|
|
* in order to append in links on navigation and main panel
|
|
*
|
|
* @param string $target a valid value for
|
|
* $cfg['NavigationTreeDefaultTabTable'],
|
|
* $cfg['NavigationTreeDefaultTabTable2'],
|
|
* $cfg['DefaultTabTable'], $cfg['DefaultTabDatabase'] or
|
|
* $cfg['DefaultTabServer']
|
|
* @param string $location one out of 'server', 'table', 'database'
|
|
*
|
|
* @return string script name corresponding to the config word
|
|
*/
|
|
public static function getScriptNameForOption($target, $location)
|
|
{
|
|
if ($location == 'server') {
|
|
// Values for $cfg['DefaultTabServer']
|
|
switch ($target) {
|
|
case 'welcome':
|
|
return Url::getFromRoute('/');
|
|
case 'databases':
|
|
return Url::getFromRoute('/server/databases');
|
|
case 'status':
|
|
return Url::getFromRoute('/server/status');
|
|
case 'variables':
|
|
return Url::getFromRoute('/server/variables');
|
|
case 'privileges':
|
|
return Url::getFromRoute('/server/privileges');
|
|
}
|
|
} elseif ($location == 'database') {
|
|
// Values for $cfg['DefaultTabDatabase']
|
|
switch ($target) {
|
|
case 'structure':
|
|
return Url::getFromRoute('/database/structure');
|
|
case 'sql':
|
|
return Url::getFromRoute('/database/sql');
|
|
case 'search':
|
|
return Url::getFromRoute('/database/search');
|
|
case 'operations':
|
|
return Url::getFromRoute('/database/operations');
|
|
}
|
|
} elseif ($location == 'table') {
|
|
// Values for $cfg['DefaultTabTable'],
|
|
// $cfg['NavigationTreeDefaultTabTable'] and
|
|
// $cfg['NavigationTreeDefaultTabTable2']
|
|
switch ($target) {
|
|
case 'structure':
|
|
return Url::getFromRoute('/table/structure');
|
|
case 'sql':
|
|
return Url::getFromRoute('/table/sql');
|
|
case 'search':
|
|
return Url::getFromRoute('/table/search');
|
|
case 'insert':
|
|
return Url::getFromRoute('/table/change');
|
|
case 'browse':
|
|
return Url::getFromRoute('/sql');
|
|
}
|
|
}
|
|
|
|
return $target;
|
|
}
|
|
|
|
/**
|
|
* Formats user string, expanding @VARIABLES@, accepting strftime format
|
|
* string.
|
|
*
|
|
* @param string $string Text where to do expansion.
|
|
* @param array|string $escape Function to call for escaping variable values.
|
|
* Can also be an array of:
|
|
* - the escape method name
|
|
* - the class that contains the method
|
|
* - location of the class (for inclusion)
|
|
* @param array $updates Array with overrides for default parameters
|
|
* (obtained from GLOBALS).
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function expandUserString(
|
|
$string,
|
|
$escape = null,
|
|
array $updates = []
|
|
) {
|
|
/* Content */
|
|
$vars = [];
|
|
$vars['http_host'] = Core::getenv('HTTP_HOST');
|
|
$vars['server_name'] = $GLOBALS['cfg']['Server']['host'];
|
|
$vars['server_verbose'] = $GLOBALS['cfg']['Server']['verbose'];
|
|
|
|
if (empty($GLOBALS['cfg']['Server']['verbose'])) {
|
|
$vars['server_verbose_or_name'] = $GLOBALS['cfg']['Server']['host'];
|
|
} else {
|
|
$vars['server_verbose_or_name'] = $GLOBALS['cfg']['Server']['verbose'];
|
|
}
|
|
|
|
$vars['database'] = $GLOBALS['db'];
|
|
$vars['table'] = $GLOBALS['table'];
|
|
$vars['phpmyadmin_version'] = 'phpMyAdmin ' . PMA_VERSION;
|
|
|
|
/* Update forced variables */
|
|
foreach ($updates as $key => $val) {
|
|
$vars[$key] = $val;
|
|
}
|
|
|
|
/* Replacement mapping */
|
|
/*
|
|
* The __VAR__ ones are for backward compatibility, because user
|
|
* might still have it in cookies.
|
|
*/
|
|
$replace = [
|
|
'@HTTP_HOST@' => $vars['http_host'],
|
|
'@SERVER@' => $vars['server_name'],
|
|
'__SERVER__' => $vars['server_name'],
|
|
'@VERBOSE@' => $vars['server_verbose'],
|
|
'@VSERVER@' => $vars['server_verbose_or_name'],
|
|
'@DATABASE@' => $vars['database'],
|
|
'__DB__' => $vars['database'],
|
|
'@TABLE@' => $vars['table'],
|
|
'__TABLE__' => $vars['table'],
|
|
'@PHPMYADMIN@' => $vars['phpmyadmin_version'],
|
|
];
|
|
|
|
/* Optional escaping */
|
|
if ($escape !== null) {
|
|
if (is_array($escape)) {
|
|
$escape_class = new $escape[1]();
|
|
$escape_method = $escape[0];
|
|
}
|
|
foreach ($replace as $key => $val) {
|
|
if (isset($escape_class, $escape_method)) {
|
|
$replace[$key] = $escape_class->$escape_method($val);
|
|
} else {
|
|
$replace[$key] = $escape == 'backquote'
|
|
? self::$escape($val)
|
|
: $escape($val);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Backward compatibility in 3.5.x */
|
|
if (mb_strpos($string, '@FIELDS@') !== false) {
|
|
$string = strtr($string, ['@FIELDS@' => '@COLUMNS@']);
|
|
}
|
|
|
|
/* Fetch columns list if required */
|
|
if (mb_strpos($string, '@COLUMNS@') !== false) {
|
|
$columns_list = $GLOBALS['dbi']->getColumns(
|
|
$GLOBALS['db'],
|
|
$GLOBALS['table']
|
|
);
|
|
|
|
// sometimes the table no longer exists at this point
|
|
if ($columns_list !== null) {
|
|
$column_names = [];
|
|
foreach ($columns_list as $column) {
|
|
if ($escape !== null) {
|
|
$column_names[] = self::$escape($column['Field']);
|
|
} else {
|
|
$column_names[] = $column['Field'];
|
|
}
|
|
}
|
|
$replace['@COLUMNS@'] = implode(',', $column_names);
|
|
} else {
|
|
$replace['@COLUMNS@'] = '*';
|
|
}
|
|
}
|
|
|
|
/* Do the replacement */
|
|
return strtr((string) strftime($string), $replace);
|
|
}
|
|
|
|
/**
|
|
* This function processes the datatypes supported by the DB,
|
|
* as specified in Types->getColumns() and either returns an array
|
|
* (useful for quickly checking if a datatype is supported)
|
|
* or an HTML snippet that creates a drop-down list.
|
|
*
|
|
* @param bool $html Whether to generate an html snippet or an array
|
|
* @param string $selected The value to mark as selected in HTML mode
|
|
*
|
|
* @return mixed An HTML snippet or an array of datatypes.
|
|
*/
|
|
public static function getSupportedDatatypes($html = false, $selected = '')
|
|
{
|
|
if ($html) {
|
|
$retval = Generator::getSupportedDatatypes($selected);
|
|
} else {
|
|
$retval = [];
|
|
foreach ($GLOBALS['dbi']->types->getColumns() as $value) {
|
|
if (is_array($value)) {
|
|
foreach ($value as $subvalue) {
|
|
if ($subvalue !== '-') {
|
|
$retval[] = $subvalue;
|
|
}
|
|
}
|
|
} else {
|
|
if ($value !== '-') {
|
|
$retval[] = $value;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return $retval;
|
|
} // end getSupportedDatatypes()
|
|
|
|
/**
|
|
* Returns a list of datatypes that are not (yet) handled by PMA.
|
|
* Used by: /table/change and libraries/db_routines.inc.php
|
|
*
|
|
* @return array list of datatypes
|
|
*/
|
|
public static function unsupportedDatatypes()
|
|
{
|
|
return [];
|
|
}
|
|
|
|
/**
|
|
* Return GIS data types
|
|
*
|
|
* @param bool $upper_case whether to return values in upper case
|
|
*
|
|
* @return string[] GIS data types
|
|
*/
|
|
public static function getGISDatatypes($upper_case = false)
|
|
{
|
|
$gis_data_types = [
|
|
'geometry',
|
|
'point',
|
|
'linestring',
|
|
'polygon',
|
|
'multipoint',
|
|
'multilinestring',
|
|
'multipolygon',
|
|
'geometrycollection',
|
|
];
|
|
if ($upper_case) {
|
|
$gis_data_types = array_map('mb_strtoupper', $gis_data_types);
|
|
}
|
|
return $gis_data_types;
|
|
}
|
|
|
|
/**
|
|
* Generates GIS data based on the string passed.
|
|
*
|
|
* @param string $gis_string GIS string
|
|
* @param int $mysqlVersion The mysql version as int
|
|
*
|
|
* @return string GIS data enclosed in 'ST_GeomFromText' or 'GeomFromText' function
|
|
*/
|
|
public static function createGISData($gis_string, $mysqlVersion)
|
|
{
|
|
$geomFromText = $mysqlVersion >= 50600 ? 'ST_GeomFromText' : 'GeomFromText';
|
|
$gis_string = trim($gis_string);
|
|
$geom_types = '(POINT|MULTIPOINT|LINESTRING|MULTILINESTRING|'
|
|
. 'POLYGON|MULTIPOLYGON|GEOMETRYCOLLECTION)';
|
|
if (preg_match("/^'" . $geom_types . "\(.*\)',[0-9]*$/i", $gis_string)) {
|
|
return $geomFromText . '(' . $gis_string . ')';
|
|
} elseif (preg_match('/^' . $geom_types . '\(.*\)$/i', $gis_string)) {
|
|
return $geomFromText . "('" . $gis_string . "')";
|
|
}
|
|
|
|
return $gis_string;
|
|
}
|
|
|
|
/**
|
|
* Returns the names and details of the functions
|
|
* that can be applied on geometry data types.
|
|
*
|
|
* @param string $geom_type if provided the output is limited to the functions
|
|
* that are applicable to the provided geometry type.
|
|
* @param bool $binary if set to false functions that take two geometries
|
|
* as arguments will not be included.
|
|
* @param bool $display if set to true separators will be added to the
|
|
* output array.
|
|
*
|
|
* @return array names and details of the functions that can be applied on
|
|
* geometry data types.
|
|
*/
|
|
public static function getGISFunctions(
|
|
$geom_type = null,
|
|
$binary = true,
|
|
$display = false
|
|
) {
|
|
$funcs = [];
|
|
if ($display) {
|
|
$funcs[] = ['display' => ' '];
|
|
}
|
|
|
|
// Unary functions common to all geometry types
|
|
$funcs['Dimension'] = [
|
|
'params' => 1,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['Envelope'] = [
|
|
'params' => 1,
|
|
'type' => 'Polygon',
|
|
];
|
|
$funcs['GeometryType'] = [
|
|
'params' => 1,
|
|
'type' => 'text',
|
|
];
|
|
$funcs['SRID'] = [
|
|
'params' => 1,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['IsEmpty'] = [
|
|
'params' => 1,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['IsSimple'] = [
|
|
'params' => 1,
|
|
'type' => 'int',
|
|
];
|
|
|
|
$geom_type = mb_strtolower(trim((string) $geom_type));
|
|
if ($display && $geom_type != 'geometry' && $geom_type != 'multipoint') {
|
|
$funcs[] = ['display' => '--------'];
|
|
}
|
|
|
|
// Unary functions that are specific to each geometry type
|
|
if ($geom_type == 'point') {
|
|
$funcs['X'] = [
|
|
'params' => 1,
|
|
'type' => 'float',
|
|
];
|
|
$funcs['Y'] = [
|
|
'params' => 1,
|
|
'type' => 'float',
|
|
];
|
|
} elseif ($geom_type == 'linestring') {
|
|
$funcs['EndPoint'] = [
|
|
'params' => 1,
|
|
'type' => 'point',
|
|
];
|
|
$funcs['GLength'] = [
|
|
'params' => 1,
|
|
'type' => 'float',
|
|
];
|
|
$funcs['NumPoints'] = [
|
|
'params' => 1,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['StartPoint'] = [
|
|
'params' => 1,
|
|
'type' => 'point',
|
|
];
|
|
$funcs['IsRing'] = [
|
|
'params' => 1,
|
|
'type' => 'int',
|
|
];
|
|
} elseif ($geom_type == 'multilinestring') {
|
|
$funcs['GLength'] = [
|
|
'params' => 1,
|
|
'type' => 'float',
|
|
];
|
|
$funcs['IsClosed'] = [
|
|
'params' => 1,
|
|
'type' => 'int',
|
|
];
|
|
} elseif ($geom_type == 'polygon') {
|
|
$funcs['Area'] = [
|
|
'params' => 1,
|
|
'type' => 'float',
|
|
];
|
|
$funcs['ExteriorRing'] = [
|
|
'params' => 1,
|
|
'type' => 'linestring',
|
|
];
|
|
$funcs['NumInteriorRings'] = [
|
|
'params' => 1,
|
|
'type' => 'int',
|
|
];
|
|
} elseif ($geom_type == 'multipolygon') {
|
|
$funcs['Area'] = [
|
|
'params' => 1,
|
|
'type' => 'float',
|
|
];
|
|
$funcs['Centroid'] = [
|
|
'params' => 1,
|
|
'type' => 'point',
|
|
];
|
|
// Not yet implemented in MySQL
|
|
//$funcs['PointOnSurface'] = array('params' => 1, 'type' => 'point');
|
|
} elseif ($geom_type == 'geometrycollection') {
|
|
$funcs['NumGeometries'] = [
|
|
'params' => 1,
|
|
'type' => 'int',
|
|
];
|
|
}
|
|
|
|
// If we are asked for binary functions as well
|
|
if ($binary) {
|
|
// section separator
|
|
if ($display) {
|
|
$funcs[] = ['display' => '--------'];
|
|
}
|
|
|
|
if ($GLOBALS['dbi']->getVersion() < 50601) {
|
|
$funcs['Crosses'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['Contains'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['Disjoint'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['Equals'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['Intersects'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['Overlaps'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['Touches'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['Within'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
} else {
|
|
// If MySQl version is greater than or equal 5.6.1,
|
|
// use the ST_ prefix.
|
|
$funcs['ST_Crosses'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['ST_Contains'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['ST_Disjoint'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['ST_Equals'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['ST_Intersects'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['ST_Overlaps'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['ST_Touches'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['ST_Within'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
}
|
|
|
|
if ($display) {
|
|
$funcs[] = ['display' => '--------'];
|
|
}
|
|
// Minimum bounding rectangle functions
|
|
$funcs['MBRContains'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['MBRDisjoint'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['MBREquals'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['MBRIntersects'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['MBROverlaps'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['MBRTouches'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
$funcs['MBRWithin'] = [
|
|
'params' => 2,
|
|
'type' => 'int',
|
|
];
|
|
}
|
|
return $funcs;
|
|
}
|
|
|
|
/**
|
|
* Checks if the current user has a specific privilege and returns true if the
|
|
* user indeed has that privilege or false if they don't. This function must
|
|
* only be used for features that are available since MySQL 5, because it
|
|
* relies on the INFORMATION_SCHEMA database to be present.
|
|
*
|
|
* Example: currentUserHasPrivilege('CREATE ROUTINE', 'mydb');
|
|
* // Checks if the currently logged in user has the global
|
|
* // 'CREATE ROUTINE' privilege or, if not, checks if the
|
|
* // user has this privilege on database 'mydb'.
|
|
*
|
|
* @param string $priv The privilege to check
|
|
* @param mixed $db null, to only check global privileges
|
|
* string, db name where to also check for privileges
|
|
* @param mixed $tbl null, to only check global/db privileges
|
|
* string, table name where to also check for privileges
|
|
*
|
|
* @return bool
|
|
*/
|
|
public static function currentUserHasPrivilege($priv, $db = null, $tbl = null)
|
|
{
|
|
// Get the username for the current user in the format
|
|
// required to use in the information schema database.
|
|
[$user, $host] = $GLOBALS['dbi']->getCurrentUserAndHost();
|
|
|
|
if ($user === '') { // MySQL is started with --skip-grant-tables
|
|
return true;
|
|
}
|
|
|
|
$username = "''";
|
|
$username .= str_replace("'", "''", $user);
|
|
$username .= "''@''";
|
|
$username .= str_replace("'", "''", $host);
|
|
$username .= "''";
|
|
|
|
// Prepare the query
|
|
$query = 'SELECT `PRIVILEGE_TYPE` FROM `INFORMATION_SCHEMA`.`%s` '
|
|
. "WHERE GRANTEE='%s' AND PRIVILEGE_TYPE='%s'";
|
|
|
|
// Check global privileges first.
|
|
$user_privileges = $GLOBALS['dbi']->fetchValue(
|
|
sprintf(
|
|
$query,
|
|
'USER_PRIVILEGES',
|
|
$username,
|
|
$priv
|
|
)
|
|
);
|
|
if ($user_privileges) {
|
|
return true;
|
|
}
|
|
// If a database name was provided and user does not have the
|
|
// required global privilege, try database-wise permissions.
|
|
if ($db !== null) {
|
|
$query .= " AND '%s' LIKE `TABLE_SCHEMA`";
|
|
$schema_privileges = $GLOBALS['dbi']->fetchValue(
|
|
sprintf(
|
|
$query,
|
|
'SCHEMA_PRIVILEGES',
|
|
$username,
|
|
$priv,
|
|
$GLOBALS['dbi']->escapeString($db)
|
|
)
|
|
);
|
|
if ($schema_privileges) {
|
|
return true;
|
|
}
|
|
} else {
|
|
// There was no database name provided and the user
|
|
// does not have the correct global privilege.
|
|
return false;
|
|
}
|
|
// If a table name was also provided and we still didn't
|
|
// find any valid privileges, try table-wise privileges.
|
|
if ($tbl !== null) {
|
|
// need to escape wildcards in db and table names, see bug #3518484
|
|
$tbl = str_replace(['%', '_'], ['\%', '\_'], $tbl);
|
|
$query .= " AND TABLE_NAME='%s'";
|
|
$table_privileges = $GLOBALS['dbi']->fetchValue(
|
|
sprintf(
|
|
$query,
|
|
'TABLE_PRIVILEGES',
|
|
$username,
|
|
$priv,
|
|
$GLOBALS['dbi']->escapeString($db),
|
|
$GLOBALS['dbi']->escapeString($tbl)
|
|
)
|
|
);
|
|
if ($table_privileges) {
|
|
return true;
|
|
}
|
|
}
|
|
// If we reached this point, the user does not
|
|
// have even valid table-wise privileges.
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns server type for current connection
|
|
*
|
|
* Known types are: MariaDB, Percona and MySQL (default)
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function getServerType()
|
|
{
|
|
if ($GLOBALS['dbi']->isMariaDB()) {
|
|
return 'MariaDB';
|
|
}
|
|
|
|
if ($GLOBALS['dbi']->isPercona()) {
|
|
return 'Percona Server';
|
|
}
|
|
|
|
return 'MySQL';
|
|
}
|
|
|
|
/**
|
|
* Parses ENUM/SET values
|
|
*
|
|
* @param string $definition The definition of the column
|
|
* for which to parse the values
|
|
* @param bool $escapeHtml Whether to escape html entities
|
|
*
|
|
* @return array
|
|
*/
|
|
public static function parseEnumSetValues($definition, $escapeHtml = true)
|
|
{
|
|
$values_string = htmlentities($definition, ENT_COMPAT, 'UTF-8');
|
|
// There is a JS port of the below parser in functions.js
|
|
// If you are fixing something here,
|
|
// you need to also update the JS port.
|
|
$values = [];
|
|
$in_string = false;
|
|
$buffer = '';
|
|
|
|
for ($i = 0, $length = mb_strlen($values_string); $i < $length; $i++) {
|
|
$curr = mb_substr($values_string, $i, 1);
|
|
$next = $i == mb_strlen($values_string) - 1
|
|
? ''
|
|
: mb_substr($values_string, $i + 1, 1);
|
|
|
|
if (! $in_string && $curr == "'") {
|
|
$in_string = true;
|
|
} elseif (($in_string && $curr == '\\') && $next == '\\') {
|
|
$buffer .= '\';
|
|
$i++;
|
|
} elseif (($in_string && $next == "'")
|
|
&& ($curr == "'" || $curr == '\\')
|
|
) {
|
|
$buffer .= ''';
|
|
$i++;
|
|
} elseif ($in_string && $curr == "'") {
|
|
$in_string = false;
|
|
$values[] = $buffer;
|
|
$buffer = '';
|
|
} elseif ($in_string) {
|
|
$buffer .= $curr;
|
|
}
|
|
}
|
|
|
|
if (strlen($buffer) > 0) {
|
|
// The leftovers in the buffer are the last value (if any)
|
|
$values[] = $buffer;
|
|
}
|
|
|
|
if (! $escapeHtml) {
|
|
foreach ($values as $key => $value) {
|
|
$values[$key] = html_entity_decode($value, ENT_QUOTES, 'UTF-8');
|
|
}
|
|
}
|
|
|
|
return $values;
|
|
}
|
|
|
|
/**
|
|
* Get regular expression which occur first inside the given sql query.
|
|
*
|
|
* @param array $regex_array Comparing regular expressions.
|
|
* @param string $query SQL query to be checked.
|
|
*
|
|
* @return string Matching regular expression.
|
|
*/
|
|
public static function getFirstOccurringRegularExpression(array $regex_array, $query): string
|
|
{
|
|
$minimum_first_occurence_index = null;
|
|
$regex = null;
|
|
|
|
foreach ($regex_array as $test_regex) {
|
|
if (preg_match($test_regex, $query, $matches, PREG_OFFSET_CAPTURE)) {
|
|
if ($minimum_first_occurence_index === null
|
|
|| ($matches[0][1] < $minimum_first_occurence_index)
|
|
) {
|
|
$regex = $test_regex;
|
|
$minimum_first_occurence_index = $matches[0][1];
|
|
}
|
|
}
|
|
}
|
|
return $regex;
|
|
}
|
|
|
|
/**
|
|
* Return the list of tabs for the menu with corresponding names
|
|
*
|
|
* @param string $level 'server', 'db' or 'table' level
|
|
*
|
|
* @return array|null list of tabs for the menu
|
|
*/
|
|
public static function getMenuTabList($level = null)
|
|
{
|
|
$tabList = [
|
|
'server' => [
|
|
'databases' => __('Databases'),
|
|
'sql' => __('SQL'),
|
|
'status' => __('Status'),
|
|
'rights' => __('Users'),
|
|
'export' => __('Export'),
|
|
'import' => __('Import'),
|
|
'settings' => __('Settings'),
|
|
'binlog' => __('Binary log'),
|
|
'replication' => __('Replication'),
|
|
'vars' => __('Variables'),
|
|
'charset' => __('Charsets'),
|
|
'plugins' => __('Plugins'),
|
|
'engine' => __('Engines'),
|
|
],
|
|
'db' => [
|
|
'structure' => __('Structure'),
|
|
'sql' => __('SQL'),
|
|
'search' => __('Search'),
|
|
'query' => __('Query'),
|
|
'export' => __('Export'),
|
|
'import' => __('Import'),
|
|
'operation' => __('Operations'),
|
|
'privileges' => __('Privileges'),
|
|
'routines' => __('Routines'),
|
|
'events' => __('Events'),
|
|
'triggers' => __('Triggers'),
|
|
'tracking' => __('Tracking'),
|
|
'designer' => __('Designer'),
|
|
'central_columns' => __('Central columns'),
|
|
],
|
|
'table' => [
|
|
'browse' => __('Browse'),
|
|
'structure' => __('Structure'),
|
|
'sql' => __('SQL'),
|
|
'search' => __('Search'),
|
|
'insert' => __('Insert'),
|
|
'export' => __('Export'),
|
|
'import' => __('Import'),
|
|
'privileges' => __('Privileges'),
|
|
'operation' => __('Operations'),
|
|
'tracking' => __('Tracking'),
|
|
'triggers' => __('Triggers'),
|
|
],
|
|
];
|
|
|
|
if ($level == null) {
|
|
return $tabList;
|
|
} elseif (array_key_exists($level, $tabList)) {
|
|
return $tabList[$level];
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Add fractional seconds to time, datetime and timestamp strings.
|
|
* If the string contains fractional seconds,
|
|
* pads it with 0s up to 6 decimal places.
|
|
*
|
|
* @param string $value time, datetime or timestamp strings
|
|
*
|
|
* @return string time, datetime or timestamp strings with fractional seconds
|
|
*/
|
|
public static function addMicroseconds($value)
|
|
{
|
|
if (empty($value) || $value == 'CURRENT_TIMESTAMP'
|
|
|| $value == 'current_timestamp()') {
|
|
return $value;
|
|
}
|
|
|
|
if (mb_strpos($value, '.') === false) {
|
|
return $value . '.000000';
|
|
}
|
|
|
|
$value .= '000000';
|
|
return mb_substr(
|
|
$value,
|
|
0,
|
|
mb_strpos($value, '.') + 7
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Reads the file, detects the compression MIME type, closes the file
|
|
* and returns the MIME type
|
|
*
|
|
* @param resource $file the file handle
|
|
*
|
|
* @return string the MIME type for compression, or 'none'
|
|
*/
|
|
public static function getCompressionMimeType($file)
|
|
{
|
|
$test = fread($file, 4);
|
|
$len = strlen($test);
|
|
fclose($file);
|
|
if ($len >= 2 && $test[0] == chr(31) && $test[1] == chr(139)) {
|
|
return 'application/gzip';
|
|
}
|
|
if ($len >= 3 && substr($test, 0, 3) == 'BZh') {
|
|
return 'application/bzip2';
|
|
}
|
|
if ($len >= 4 && $test == "PK\003\004") {
|
|
return 'application/zip';
|
|
}
|
|
return 'none';
|
|
}
|
|
|
|
/**
|
|
* Provide COLLATE clause, if required, to perform case sensitive comparisons
|
|
* for queries on information_schema.
|
|
*
|
|
* @return string COLLATE clause if needed or empty string.
|
|
*/
|
|
public static function getCollateForIS()
|
|
{
|
|
$names = $GLOBALS['dbi']->getLowerCaseNames();
|
|
if ($names === '0') {
|
|
return 'COLLATE utf8_bin';
|
|
} elseif ($names === '2') {
|
|
return 'COLLATE utf8_general_ci';
|
|
}
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Process the index data.
|
|
*
|
|
* @param array $indexes index data
|
|
*
|
|
* @return array processes index data
|
|
*/
|
|
public static function processIndexData(array $indexes)
|
|
{
|
|
$lastIndex = '';
|
|
|
|
$primary = '';
|
|
$pk_array = []; // will be use to emphasis prim. keys in the table
|
|
$indexes_info = [];
|
|
$indexes_data = [];
|
|
|
|
// view
|
|
foreach ($indexes as $row) {
|
|
// Backups the list of primary keys
|
|
if ($row['Key_name'] == 'PRIMARY') {
|
|
$primary .= $row['Column_name'] . ', ';
|
|
$pk_array[$row['Column_name']] = 1;
|
|
}
|
|
// Retains keys informations
|
|
if ($row['Key_name'] != $lastIndex) {
|
|
$indexes[] = $row['Key_name'];
|
|
$lastIndex = $row['Key_name'];
|
|
}
|
|
$indexes_info[$row['Key_name']]['Sequences'][] = $row['Seq_in_index'];
|
|
$indexes_info[$row['Key_name']]['Non_unique'] = $row['Non_unique'];
|
|
if (isset($row['Cardinality'])) {
|
|
$indexes_info[$row['Key_name']]['Cardinality'] = $row['Cardinality'];
|
|
}
|
|
// I don't know what does following column mean....
|
|
// $indexes_info[$row['Key_name']]['Packed'] = $row['Packed'];
|
|
|
|
$indexes_info[$row['Key_name']]['Comment'] = $row['Comment'];
|
|
|
|
$indexes_data[$row['Key_name']][$row['Seq_in_index']]['Column_name']
|
|
= $row['Column_name'];
|
|
if (isset($row['Sub_part'])) {
|
|
$indexes_data[$row['Key_name']][$row['Seq_in_index']]['Sub_part']
|
|
= $row['Sub_part'];
|
|
}
|
|
} // end while
|
|
|
|
return [
|
|
$primary,
|
|
$pk_array,
|
|
$indexes_info,
|
|
$indexes_data,
|
|
];
|
|
}
|
|
|
|
/**
|
|
* Returns whether the database server supports virtual columns
|
|
*
|
|
* @return bool
|
|
*/
|
|
public static function isVirtualColumnsSupported()
|
|
{
|
|
$serverType = self::getServerType();
|
|
$serverVersion = $GLOBALS['dbi']->getVersion();
|
|
return in_array($serverType, ['MySQL', 'Percona Server']) && $serverVersion >= 50705
|
|
|| ($serverType == 'MariaDB' && $serverVersion >= 50200);
|
|
}
|
|
|
|
/**
|
|
* Gets the list of tables in the current db and information about these
|
|
* tables if possible
|
|
*
|
|
* @param string $db database name
|
|
* @param string|null $sub_part part of script name
|
|
*
|
|
* @return array
|
|
*/
|
|
public static function getDbInfo($db, ?string $sub_part)
|
|
{
|
|
global $cfg;
|
|
|
|
/**
|
|
* limits for table list
|
|
*/
|
|
if (! isset($_SESSION['tmpval']['table_limit_offset'])
|
|
|| $_SESSION['tmpval']['table_limit_offset_db'] != $db
|
|
) {
|
|
$_SESSION['tmpval']['table_limit_offset'] = 0;
|
|
$_SESSION['tmpval']['table_limit_offset_db'] = $db;
|
|
}
|
|
if (isset($_REQUEST['pos'])) {
|
|
$_SESSION['tmpval']['table_limit_offset'] = (int) $_REQUEST['pos'];
|
|
}
|
|
$pos = $_SESSION['tmpval']['table_limit_offset'];
|
|
|
|
/**
|
|
* whether to display extended stats
|
|
*/
|
|
$is_show_stats = $cfg['ShowStats'];
|
|
|
|
/**
|
|
* whether selected db is information_schema
|
|
*/
|
|
$db_is_system_schema = false;
|
|
|
|
if ($GLOBALS['dbi']->isSystemSchema($db)) {
|
|
$is_show_stats = false;
|
|
$db_is_system_schema = true;
|
|
}
|
|
|
|
/**
|
|
* information about tables in db
|
|
*/
|
|
$tables = [];
|
|
|
|
$tooltip_truename = [];
|
|
$tooltip_aliasname = [];
|
|
|
|
// Special speedup for newer MySQL Versions (in 4.0 format changed)
|
|
if ($cfg['SkipLockedTables'] === true) {
|
|
$db_info_result = $GLOBALS['dbi']->query(
|
|
'SHOW OPEN TABLES FROM ' . self::backquote($db) . ' WHERE In_use > 0;'
|
|
);
|
|
|
|
// Blending out tables in use
|
|
if ($db_info_result && $GLOBALS['dbi']->numRows($db_info_result) > 0) {
|
|
$tables = self::getTablesWhenOpen($db, $db_info_result);
|
|
} elseif ($db_info_result) {
|
|
$GLOBALS['dbi']->freeResult($db_info_result);
|
|
}
|
|
}
|
|
|
|
if (empty($tables)) {
|
|
// Set some sorting defaults
|
|
$sort = 'Name';
|
|
$sort_order = 'ASC';
|
|
|
|
if (isset($_REQUEST['sort'])) {
|
|
$sortable_name_mappings = [
|
|
'table' => 'Name',
|
|
'records' => 'Rows',
|
|
'type' => 'Engine',
|
|
'collation' => 'Collation',
|
|
'size' => 'Data_length',
|
|
'overhead' => 'Data_free',
|
|
'creation' => 'Create_time',
|
|
'last_update' => 'Update_time',
|
|
'last_check' => 'Check_time',
|
|
'comment' => 'Comment',
|
|
];
|
|
|
|
// Make sure the sort type is implemented
|
|
if (isset($sortable_name_mappings[$_REQUEST['sort']])) {
|
|
$sort = $sortable_name_mappings[$_REQUEST['sort']];
|
|
if ($_REQUEST['sort_order'] == 'DESC') {
|
|
$sort_order = 'DESC';
|
|
}
|
|
}
|
|
}
|
|
|
|
$groupWithSeparator = false;
|
|
$tbl_type = null;
|
|
$limit_offset = 0;
|
|
$limit_count = false;
|
|
$groupTable = [];
|
|
|
|
if (! empty($_REQUEST['tbl_group']) || ! empty($_REQUEST['tbl_type'])) {
|
|
if (! empty($_REQUEST['tbl_type'])) {
|
|
// only tables for selected type
|
|
$tbl_type = $_REQUEST['tbl_type'];
|
|
}
|
|
if (! empty($_REQUEST['tbl_group'])) {
|
|
// only tables for selected group
|
|
$tbl_group = $_REQUEST['tbl_group'];
|
|
// include the table with the exact name of the group if such
|
|
// exists
|
|
$groupTable = $GLOBALS['dbi']->getTablesFull(
|
|
$db,
|
|
$tbl_group,
|
|
false,
|
|
$limit_offset,
|
|
$limit_count,
|
|
$sort,
|
|
$sort_order,
|
|
$tbl_type
|
|
);
|
|
$groupWithSeparator = $tbl_group
|
|
. $GLOBALS['cfg']['NavigationTreeTableSeparator'];
|
|
}
|
|
} else {
|
|
// all tables in db
|
|
// - get the total number of tables
|
|
// (needed for proper working of the MaxTableList feature)
|
|
$tables = $GLOBALS['dbi']->getTables($db);
|
|
$total_num_tables = count($tables);
|
|
if (! (isset($sub_part) && $sub_part == '_export')) {
|
|
// fetch the details for a possible limited subset
|
|
$limit_offset = $pos;
|
|
$limit_count = true;
|
|
}
|
|
}
|
|
$tables = array_merge(
|
|
$groupTable,
|
|
$GLOBALS['dbi']->getTablesFull(
|
|
$db,
|
|
$groupWithSeparator,
|
|
$groupWithSeparator !== false,
|
|
$limit_offset,
|
|
$limit_count,
|
|
$sort,
|
|
$sort_order,
|
|
$tbl_type
|
|
)
|
|
);
|
|
}
|
|
|
|
$num_tables = count($tables);
|
|
// (needed for proper working of the MaxTableList feature)
|
|
if (! isset($total_num_tables)) {
|
|
$total_num_tables = $num_tables;
|
|
}
|
|
|
|
/**
|
|
* If coming from a Show MySQL link on the home page,
|
|
* put something in $sub_part
|
|
*/
|
|
if (empty($sub_part)) {
|
|
$sub_part = '_structure';
|
|
}
|
|
|
|
return [
|
|
$tables,
|
|
$num_tables,
|
|
$total_num_tables,
|
|
$sub_part,
|
|
$is_show_stats,
|
|
$db_is_system_schema,
|
|
$tooltip_truename,
|
|
$tooltip_aliasname,
|
|
$pos,
|
|
];
|
|
}
|
|
|
|
/**
|
|
* Gets the list of tables in the current db, taking into account
|
|
* that they might be "in use"
|
|
*
|
|
* @param string $db database name
|
|
* @param object $db_info_result result set
|
|
*
|
|
* @return array list of tables
|
|
*/
|
|
public static function getTablesWhenOpen($db, $db_info_result)
|
|
{
|
|
$sot_cache = [];
|
|
$tables = [];
|
|
|
|
while ($tmp = $GLOBALS['dbi']->fetchAssoc($db_info_result)) {
|
|
$sot_cache[$tmp['Table']] = true;
|
|
}
|
|
$GLOBALS['dbi']->freeResult($db_info_result);
|
|
|
|
// is there at least one "in use" table?
|
|
if (count($sot_cache) > 0) {
|
|
$tblGroupSql = '';
|
|
$whereAdded = false;
|
|
if (Core::isValid($_REQUEST['tbl_group'])) {
|
|
$group = self::escapeMysqlWildcards($_REQUEST['tbl_group']);
|
|
$groupWithSeparator = self::escapeMysqlWildcards(
|
|
$_REQUEST['tbl_group']
|
|
. $GLOBALS['cfg']['NavigationTreeTableSeparator']
|
|
);
|
|
$tblGroupSql .= ' WHERE ('
|
|
. self::backquote('Tables_in_' . $db)
|
|
. " LIKE '" . $groupWithSeparator . "%'"
|
|
. ' OR '
|
|
. self::backquote('Tables_in_' . $db)
|
|
. " LIKE '" . $group . "')";
|
|
$whereAdded = true;
|
|
}
|
|
if (Core::isValid($_REQUEST['tbl_type'], ['table', 'view'])) {
|
|
$tblGroupSql .= $whereAdded ? ' AND' : ' WHERE';
|
|
if ($_REQUEST['tbl_type'] == 'view') {
|
|
$tblGroupSql .= " `Table_type` NOT IN ('BASE TABLE', 'SYSTEM VERSIONED')";
|
|
} else {
|
|
$tblGroupSql .= " `Table_type` IN ('BASE TABLE', 'SYSTEM VERSIONED')";
|
|
}
|
|
}
|
|
$db_info_result = $GLOBALS['dbi']->query(
|
|
'SHOW FULL TABLES FROM ' . self::backquote($db) . $tblGroupSql,
|
|
DatabaseInterface::CONNECT_USER,
|
|
DatabaseInterface::QUERY_STORE
|
|
);
|
|
unset($tblGroupSql, $whereAdded);
|
|
|
|
if ($db_info_result && $GLOBALS['dbi']->numRows($db_info_result) > 0) {
|
|
$names = [];
|
|
while ($tmp = $GLOBALS['dbi']->fetchRow($db_info_result)) {
|
|
if (! isset($sot_cache[$tmp[0]])) {
|
|
$names[] = $tmp[0];
|
|
} else { // table in use
|
|
$tables[$tmp[0]] = [
|
|
'TABLE_NAME' => $tmp[0],
|
|
'ENGINE' => '',
|
|
'TABLE_TYPE' => '',
|
|
'TABLE_ROWS' => 0,
|
|
'TABLE_COMMENT' => '',
|
|
];
|
|
}
|
|
} // end while
|
|
if (count($names) > 0) {
|
|
$tables = array_merge(
|
|
$tables,
|
|
$GLOBALS['dbi']->getTablesFull($db, $names)
|
|
);
|
|
}
|
|
if ($GLOBALS['cfg']['NaturalOrder']) {
|
|
uksort($tables, 'strnatcasecmp');
|
|
}
|
|
} elseif ($db_info_result) {
|
|
$GLOBALS['dbi']->freeResult($db_info_result);
|
|
}
|
|
unset($sot_cache);
|
|
}
|
|
return $tables;
|
|
}
|
|
|
|
/**
|
|
* Returs list of used PHP extensions.
|
|
*
|
|
* @return array of strings
|
|
*/
|
|
public static function listPHPExtensions()
|
|
{
|
|
$result = [];
|
|
if (DatabaseInterface::checkDbExtension('mysqli')) {
|
|
$result[] = 'mysqli';
|
|
} else {
|
|
$result[] = 'mysql';
|
|
}
|
|
|
|
if (extension_loaded('curl')) {
|
|
$result[] = 'curl';
|
|
}
|
|
|
|
if (extension_loaded('mbstring')) {
|
|
$result[] = 'mbstring';
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Converts given (request) paramter to string
|
|
*
|
|
* @param mixed $value Value to convert
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function requestString($value)
|
|
{
|
|
while (is_array($value) || is_object($value)) {
|
|
$value = reset($value);
|
|
}
|
|
return trim((string) $value);
|
|
}
|
|
|
|
/**
|
|
* Generates random string consisting of ASCII chars
|
|
*
|
|
* @param int $length Length of string
|
|
* @param bool $asHex (optional) Send the result as hex
|
|
*/
|
|
public static function generateRandom(int $length, bool $asHex = false): string
|
|
{
|
|
$result = '';
|
|
if (class_exists(Random::class)) {
|
|
$random_func = [
|
|
Random::class,
|
|
'string',
|
|
];
|
|
} else {
|
|
$random_func = 'openssl_random_pseudo_bytes';
|
|
}
|
|
while (strlen($result) < $length) {
|
|
// Get random byte and strip highest bit
|
|
// to get ASCII only range
|
|
$byte = ord($random_func(1)) & 0x7f;
|
|
// We want only ASCII chars
|
|
if ($byte > 32) {
|
|
$result .= chr($byte);
|
|
}
|
|
}
|
|
return $asHex ? bin2hex($result) : $result;
|
|
}
|
|
|
|
/**
|
|
* Wraper around PHP date function
|
|
*
|
|
* @param string $format Date format string
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function date($format)
|
|
{
|
|
if (defined('TESTSUITE')) {
|
|
return '0000-00-00 00:00:00';
|
|
}
|
|
return date($format);
|
|
}
|
|
|
|
/**
|
|
* Wrapper around php's set_time_limit
|
|
*
|
|
* @return void
|
|
*/
|
|
public static function setTimeLimit()
|
|
{
|
|
// The function can be disabled in php.ini
|
|
if (function_exists('set_time_limit')) {
|
|
@set_time_limit((int) $GLOBALS['cfg']['ExecTimeLimit']);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Access to a multidimensional array by dot notation
|
|
*
|
|
* @param array $array List of values
|
|
* @param string|array $path Path to searched value
|
|
* @param mixed $default Default value
|
|
*
|
|
* @return mixed Searched value
|
|
*/
|
|
public static function getValueByKey(array $array, $path, $default = null)
|
|
{
|
|
if (is_string($path)) {
|
|
$path = explode('.', $path);
|
|
}
|
|
$p = array_shift($path);
|
|
while (isset($p)) {
|
|
if (! isset($array[$p])) {
|
|
return $default;
|
|
}
|
|
$array = $array[$p];
|
|
$p = array_shift($path);
|
|
}
|
|
return $array;
|
|
}
|
|
|
|
/**
|
|
* Creates a clickable column header for table information
|
|
*
|
|
* @param string $title Title to use for the link
|
|
* @param string $sort Corresponds to sortable data name mapped
|
|
* in Util::getDbInfo
|
|
* @param string $initialSortOrder Initial sort order
|
|
*
|
|
* @return string Link to be displayed in the table header
|
|
*/
|
|
public static function sortableTableHeader($title, $sort, $initialSortOrder = 'ASC')
|
|
{
|
|
$requestedSort = 'table';
|
|
$requestedSortOrder = $futureSortOrder = $initialSortOrder;
|
|
// If the user requested a sort
|
|
if (isset($_REQUEST['sort'])) {
|
|
$requestedSort = $_REQUEST['sort'];
|
|
if (isset($_REQUEST['sort_order'])) {
|
|
$requestedSortOrder = $_REQUEST['sort_order'];
|
|
}
|
|
}
|
|
$orderImg = '';
|
|
$orderLinkParams = [];
|
|
$orderLinkParams['title'] = __('Sort');
|
|
// If this column was requested to be sorted.
|
|
if ($requestedSort == $sort) {
|
|
if ($requestedSortOrder == 'ASC') {
|
|
$futureSortOrder = 'DESC';
|
|
// current sort order is ASC
|
|
$orderImg = ' ' . Generator::getImage(
|
|
's_asc',
|
|
__('Ascending'),
|
|
[
|
|
'class' => 'sort_arrow',
|
|
'title' => '',
|
|
]
|
|
);
|
|
$orderImg .= ' ' . Generator::getImage(
|
|
's_desc',
|
|
__('Descending'),
|
|
[
|
|
'class' => 'sort_arrow hide',
|
|
'title' => '',
|
|
]
|
|
);
|
|
// but on mouse over, show the reverse order (DESC)
|
|
$orderLinkParams['onmouseover'] = "$('.sort_arrow').toggle();";
|
|
// on mouse out, show current sort order (ASC)
|
|
$orderLinkParams['onmouseout'] = "$('.sort_arrow').toggle();";
|
|
} else {
|
|
$futureSortOrder = 'ASC';
|
|
// current sort order is DESC
|
|
$orderImg = ' ' . Generator::getImage(
|
|
's_asc',
|
|
__('Ascending'),
|
|
[
|
|
'class' => 'sort_arrow hide',
|
|
'title' => '',
|
|
]
|
|
);
|
|
$orderImg .= ' ' . Generator::getImage(
|
|
's_desc',
|
|
__('Descending'),
|
|
[
|
|
'class' => 'sort_arrow',
|
|
'title' => '',
|
|
]
|
|
);
|
|
// but on mouse over, show the reverse order (ASC)
|
|
$orderLinkParams['onmouseover'] = "$('.sort_arrow').toggle();";
|
|
// on mouse out, show current sort order (DESC)
|
|
$orderLinkParams['onmouseout'] = "$('.sort_arrow').toggle();";
|
|
}
|
|
}
|
|
$urlParams = [
|
|
'db' => $_REQUEST['db'],
|
|
'pos' => 0, // We set the position back to 0 every time they sort.
|
|
'sort' => $sort,
|
|
'sort_order' => $futureSortOrder,
|
|
];
|
|
|
|
if (Core::isValid($_REQUEST['tbl_type'], ['view', 'table'])) {
|
|
$urlParams['tbl_type'] = $_REQUEST['tbl_type'];
|
|
}
|
|
if (! empty($_REQUEST['tbl_group'])) {
|
|
$urlParams['tbl_group'] = $_REQUEST['tbl_group'];
|
|
}
|
|
|
|
$url = Url::getFromRoute('/database/structure', $urlParams);
|
|
|
|
return Generator::linkOrButton($url, $title . $orderImg, $orderLinkParams);
|
|
}
|
|
|
|
/**
|
|
* Check that input is an int or an int in a string
|
|
*
|
|
* @param mixed $input input to check
|
|
*/
|
|
public static function isInteger($input): bool
|
|
{
|
|
return ctype_digit((string) $input);
|
|
}
|
|
|
|
/**
|
|
* Build titles and icons for action links
|
|
*
|
|
* @return array the action titles
|
|
*/
|
|
public static function buildActionTitles(): array
|
|
{
|
|
$titles = [];
|
|
|
|
$titles['Browse'] = Generator::getIcon('b_browse', __('Browse'));
|
|
$titles['NoBrowse'] = Generator::getIcon('bd_browse', __('Browse'));
|
|
$titles['Search'] = Generator::getIcon('b_select', __('Search'));
|
|
$titles['NoSearch'] = Generator::getIcon('bd_select', __('Search'));
|
|
$titles['Insert'] = Generator::getIcon('b_insrow', __('Insert'));
|
|
$titles['NoInsert'] = Generator::getIcon('bd_insrow', __('Insert'));
|
|
$titles['Structure'] = Generator::getIcon('b_props', __('Structure'));
|
|
$titles['Drop'] = Generator::getIcon('b_drop', __('Drop'));
|
|
$titles['NoDrop'] = Generator::getIcon('bd_drop', __('Drop'));
|
|
$titles['Empty'] = Generator::getIcon('b_empty', __('Empty'));
|
|
$titles['NoEmpty'] = Generator::getIcon('bd_empty', __('Empty'));
|
|
$titles['Edit'] = Generator::getIcon('b_edit', __('Edit'));
|
|
$titles['NoEdit'] = Generator::getIcon('bd_edit', __('Edit'));
|
|
$titles['Export'] = Generator::getIcon('b_export', __('Export'));
|
|
$titles['NoExport'] = Generator::getIcon('bd_export', __('Export'));
|
|
$titles['Execute'] = Generator::getIcon('b_nextpage', __('Execute'));
|
|
$titles['NoExecute'] = Generator::getIcon('bd_nextpage', __('Execute'));
|
|
// For Favorite/NoFavorite, we need icon only.
|
|
$titles['Favorite'] = Generator::getIcon('b_favorite', '');
|
|
$titles['NoFavorite'] = Generator::getIcon('b_no_favorite', '');
|
|
|
|
return $titles;
|
|
}
|
|
|
|
/**
|
|
* Get the protocol from the RFC 7239 Forwarded header
|
|
* @param string $headerContents The Forwarded header contents
|
|
* @return string the protocol http/https
|
|
*/
|
|
public static function getProtoFromForwardedHeader(string $headerContents): string
|
|
{
|
|
if (strpos($headerContents, '=') !== false) {// does not contain any equal sign
|
|
$hops = explode(',', $headerContents);
|
|
$parts = explode(';', $hops[0]);
|
|
foreach ($parts as $part) {
|
|
$keyValueArray = explode('=', $part, 2);
|
|
if (count($keyValueArray) === 2) {
|
|
[
|
|
$keyName,
|
|
$value,
|
|
] = $keyValueArray;
|
|
$value = trim(strtolower($value));
|
|
if (strtolower(trim($keyName)) === 'proto' && in_array($value, ['http', 'https'])) {
|
|
return $value;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return '';
|
|
}
|
|
}
|
