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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Hold the PhpMyAdmin\Util class
*
* @package PhpMyAdmin
*/
namespace PhpMyAdmin;
use PhpMyAdmin\Core;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\FileListing;
use PhpMyAdmin\Message;
use PhpMyAdmin\Plugins\ImportPlugin;
use PhpMyAdmin\Response;
use PhpMyAdmin\Sanitize;
use PhpMyAdmin\SqlParser\Context;
use PhpMyAdmin\SqlParser\Lexer;
use PhpMyAdmin\SqlParser\Parser;
use PhpMyAdmin\SqlParser\Token;
use PhpMyAdmin\SqlParser\Utils\Error as ParserError;
use PhpMyAdmin\Template;
use PhpMyAdmin\Url;
/**
* Misc functions used all over the scripts.
*
* @package PhpMyAdmin
*/
class Util
{
/**
* Checks whether configuration value tells to show icons.
*
* @param string $value Configuration option name
*
* @return boolean Whether to show icons.
*/
public static function showIcons($value)
{
return in_array($GLOBALS['cfg'][$value], array('icons', 'both'));
}
/**
* Checks whether configuration value tells to show text.
*
* @param string $value Configuration option name
*
* @return boolean Whether to show text.
*/
public static function showText($value)
{
return in_array($GLOBALS['cfg'][$value], array('text', 'both'));
}
/**
* Returns an HTML IMG tag for a particular icon from a theme,
* which may be an actual file or an icon from a sprite.
* This function takes into account the ActionLinksMode
* configuration setting and wraps the image tag in a span tag.
*
* @param string $icon name of icon file
* @param string $alternate alternate text
* @param boolean $force_text whether to force alternate text to be displayed
* @param boolean $menu_icon whether this icon is for the menu bar or not
* @param string $control_param which directive controls the display
*
* @return string an html snippet
*/
public static function getIcon(
$icon,
$alternate = '',
$force_text = false,
$menu_icon = false,
$control_param = 'ActionLinksMode'
) {
$include_icon = $include_text = false;
if (self::showIcons($control_param)) {
$include_icon = true;
}
if ($force_text
|| self::showText($control_param)
) {
$include_text = true;
}
// Sometimes use a span (we rely on this in js/sql.js). But for menu bar
// we don't need a span
$button = $menu_icon ? '' : '<span class="nowrap">';
if ($include_icon) {
$button .= self::getImage($icon, $alternate);
}
if ($include_icon && $include_text) {
$button .= ' ';
}
if ($include_text) {
$button .= $alternate;
}
$button .= $menu_icon ? '' : '</span>';
return $button;
}
/**
* Returns an HTML IMG tag for a particular image from a theme
*
* The image name should match CSS class defined in icons.css.php
*
* @param string $image The name of the file to get
* @param string $alternate Used to set 'alt' and 'title' attributes
* of the image
* @param array $attributes An associative array of other attributes
*
* @return string an html IMG tag
*/
public static function getImage($image, $alternate = '', array $attributes = array())
{
$alternate = htmlspecialchars($alternate);
// Set $url accordingly
if (isset($GLOBALS['pmaThemeImage'])) {
$url = $GLOBALS['pmaThemeImage'] . $image;
} else {
$url = './themes/pmahomme/' . $image;
}
if (isset($attributes['class'])) {
$attributes['class'] = "icon ic_$image " . $attributes['class'];
} else {
$attributes['class'] = "icon ic_$image";
}
// set all other attributes
$attr_str = '';
foreach ($attributes as $key => $value) {
if (! in_array($key, array('alt', 'title'))) {
$attr_str .= " $key=\"$value\"";
}
}
// override the alt attribute
if (isset($attributes['alt'])) {
$alt = $attributes['alt'];
} else {
$alt = $alternate;
}
// override the title attribute
if (isset($attributes['title'])) {
$title = $attributes['title'];
} else {
$title = $alternate;
}
// generate the IMG tag
$template = '<img src="themes/dot.gif" title="%s" alt="%s"%s />';
$retval = sprintf($template, $title, $alt, $attr_str);
return $retval;
}
/**
* Returns the formatted maximum size for an upload
*
* @param integer $max_upload_size the size
*
* @return string the message
*
* @access public
*/
public static function getFormattedMaximumUploadSize($max_upload_size)
{
// I have to reduce the second parameter (sensitiveness) from 6 to 4
// to avoid weird results like 512 kKib
list($max_size, $max_unit) = self::formatByteDown($max_upload_size, 4);
return '(' . sprintf(__('Max: %s%s'), $max_size, $max_unit) . ')';
}
/**
* Generates a hidden field which should indicate to the browser
* the maximum size for upload
*
* @param integer $max_size the size
*
* @return string the INPUT field
*
* @access public
*/
public static function generateHiddenMaxFileSize($max_size)
{
return '<input type="hidden" name="MAX_FILE_SIZE" value="'
. $max_size . '" />';
}
/**
* Add slashes before "_" and "%" characters for using them in MySQL
* database, table and field names.
* Note: This function does not escape backslashes!
*
* @param string $name the string to escape
*
* @return string the escaped string
*
* @access public
*/
public static function escapeMysqlWildcards($name)
{
return strtr($name, array('_' => '\\_', '%' => '\\%'));
} // end of the 'escapeMysqlWildcards()' function
/**
* removes slashes before "_" and "%" characters
* Note: This function does not unescape backslashes!
*
* @param string $name the string to escape
*
* @return string the escaped string
*
* @access public
*/
public static function unescapeMysqlWildcards($name)
{
return strtr($name, array('\\_' => '_', '\\%' => '%'));
} // end of the 'unescapeMysqlWildcards()' function
/**
* removes quotes (',",`) from a quoted string
*
* checks if the string is quoted and removes this quotes
*
* @param string $quoted_string string to remove quotes from
* @param string $quote type of quote to remove
*
* @return string unqoted string
*/
public static function unQuote($quoted_string, $quote = null)
{
$quotes = array();
if ($quote === null) {
$quotes[] = '`';
$quotes[] = '"';
$quotes[] = "'";
} else {
$quotes[] = $quote;
}
foreach ($quotes as $quote) {
if (mb_substr($quoted_string, 0, 1) === $quote
&& mb_substr($quoted_string, -1, 1) === $quote
) {
$unquoted_string = mb_substr($quoted_string, 1, -1);
// replace escaped quotes
$unquoted_string = str_replace(
$quote . $quote,
$quote,
$unquoted_string
);
return $unquoted_string;
}
}
return $quoted_string;
}
/**
* format sql strings
*
* @param string $sqlQuery raw SQL string
* @param boolean $truncate truncate the query if it is too long
*
* @return string the formatted sql
*
* @global array $cfg the configuration array
*
* @access public
* @todo move into PMA_Sql
*/
public static function formatSql($sqlQuery, $truncate = false)
{
global $cfg;
if ($truncate
&& mb_strlen($sqlQuery) > $cfg['MaxCharactersInDisplayedSQL']
) {
$sqlQuery = mb_substr(
$sqlQuery,
0,
$cfg['MaxCharactersInDisplayedSQL']
) . '[...]';
}
return '<code class="sql"><pre>' . "\n"
. htmlspecialchars($sqlQuery) . "\n"
. '</pre></code>';
} // end of the "formatSql()" function
/**
* Displays a link to the documentation as an icon
*
* @param string $link documentation link
* @param string $target optional link target
* @param boolean $bbcode optional flag indicating whether to output bbcode
*
* @return string the html link
*
* @access public
*/
public static function showDocLink($link, $target = 'documentation', $bbcode = false)
{
if($bbcode){
return "[a@$link@$target][dochelpicon][/a]";
}
return '<a href="' . $link . '" target="' . $target . '">'
. self::getImage('b_help', __('Documentation'))
. '</a>';
} // end of the 'showDocLink()' function
/**
* Get a URL link to the official MySQL documentation
*
* @param string $link contains name of page/anchor that is being linked
* @param string $anchor anchor to page part
*
* @return string the URL link
*
* @access public
*/
public static function getMySQLDocuURL($link, $anchor = '')
{
// Fixup for newly used names:
$link = str_replace('_', '-', mb_strtolower($link));
if (empty($link)) {
$link = 'index';
}
$mysql = '5.5';
$lang = 'en';
if (isset($GLOBALS['dbi'])) {
$serverVersion = $GLOBALS['dbi']->getVersion();
if ($serverVersion >= 50700) {
$mysql = '5.7';
} elseif ($serverVersion >= 50600) {
$mysql = '5.6';
} elseif ($serverVersion >= 50500) {
$mysql = '5.5';
}
}
$url = 'https://dev.mysql.com/doc/refman/'
. $mysql . '/' . $lang . '/' . $link . '.html';
if (! empty($anchor)) {
$url .= '#' . $anchor;
}
return Core::linkURL($url);
}
/**
* Displays a link to the official MySQL documentation
*
* @param string $link contains name of page/anchor that is being linked
* @param bool $big_icon whether to use big icon (like in left frame)
* @param string $anchor anchor to page part
* @param bool $just_open whether only the opening <a> tag should be returned
*
* @return string the html link
*
* @access public
*/
public static function showMySQLDocu(
$link,
$big_icon = false,
$anchor = '',
$just_open = false
) {
$url = self::getMySQLDocuURL($link, $anchor);
$open_link = '<a href="' . $url . '" target="mysql_doc">';
if ($just_open) {
return $open_link;
} elseif ($big_icon) {
return $open_link
. self::getImage('b_sqlhelp', __('Documentation')) . '</a>';
}
return self::showDocLink($url, 'mysql_doc');
} // end of the 'showMySQLDocu()' function
/**
* Returns link to documentation.
*
* @param string $page Page in documentation
* @param string $anchor Optional anchor in page
*
* @return string URL
*/
public static function getDocuLink($page, $anchor = '')
{
/* Construct base URL */
$url = $page . '.html';
if (!empty($anchor)) {
$url .= '#' . $anchor;
}
/* Check if we have built local documentation, however
* provide consistent URL for testsuite
*/
if (! defined('TESTSUITE') && @file_exists('doc/html/index.html')) {
if ($GLOBALS['PMA_Config']->get('is_setup')) {
return '../doc/html/' . $url;
}
return './doc/html/' . $url;
}
return Core::linkURL('https://docs.phpmyadmin.net/en/latest/' . $url);
}
/**
* Displays a link to the phpMyAdmin documentation
*
* @param string $page Page in documentation
* @param string $anchor Optional anchor in page
* @param boolean $bbcode Optional flag indicating whether to output bbcode
*
* @return string the html link
*
* @access public
*/
public static function showDocu($page, $anchor = '', $bbcode = false)
{
return self::showDocLink(self::getDocuLink($page, $anchor), 'documentation', $bbcode);
} // end of the 'showDocu()' function
/**
* Displays a link to the PHP documentation
*
* @param string $target anchor in documentation
*
* @return string the html link
*
* @access public
*/
public static function showPHPDocu($target)
{
$url = Core::getPHPDocLink($target);
return self::showDocLink($url);
} // end of the 'showPHPDocu()' function
/**
* Returns HTML code for a tooltip
*
* @param string $message the message for the tooltip
*
* @return string
*
* @access public
*/
public static function showHint($message)
{
if ($GLOBALS['cfg']['ShowHint']) {
$classClause = ' class="pma_hint"';
} else {
$classClause = '';
}
return '<span' . $classClause . '>'
. self::getImage('b_help')
. '<span class="hide">' . $message . '</span>'
. '</span>';
}
/**
* Displays a MySQL error message in the main panel when $exit is true.
* Returns the error message otherwise.
*
* @param string|bool $server_msg Server's error message.
* @param string $sql_query The SQL query that failed.
* @param bool $is_modify_link Whether to show a "modify" link or not.
* @param string $back_url URL for the "back" link (full path is
* not required).
* @param bool $exit Whether execution should be stopped or
* the error message should be returned.
*
* @return string
*
* @global string $table The current table.
* @global string $db The current database.
*
* @access public
*/
public static function mysqlDie(
$server_msg = '',
$sql_query = '',
$is_modify_link = true,
$back_url = '',
$exit = true
) {
global $table, $db;
/**
* Error message to be built.
* @var string $error_msg
*/
$error_msg = '';
// Checking for any server errors.
if (empty($server_msg)) {
$server_msg = $GLOBALS['dbi']->getError();
}
// Finding the query that failed, if not specified.
if ((empty($sql_query) && (!empty($GLOBALS['sql_query'])))) {
$sql_query = $GLOBALS['sql_query'];
}
$sql_query = trim($sql_query);
/**
* The lexer used for analysis.
* @var Lexer $lexer
*/
$lexer = new Lexer($sql_query);
/**
* The parser used for analysis.
* @var Parser $parser
*/
$parser = new Parser($lexer->list);
/**
* The errors found by the lexer and the parser.
* @var array $errors
*/
$errors = ParserError::get(array($lexer, $parser));
if (empty($sql_query)) {
$formatted_sql = '';
} elseif (count($errors)) {
$formatted_sql = htmlspecialchars($sql_query);
} else {
$formatted_sql = self::formatSql($sql_query, true);
}
$error_msg .= '<div class="error"><h1>' . __('Error') . '</h1>';
// For security reasons, if the MySQL refuses the connection, the query
// is hidden so no details are revealed.
if ((!empty($sql_query)) && (!(mb_strstr($sql_query, 'connect')))) {
// Static analysis errors.
if (!empty($errors)) {
$error_msg .= '<p><strong>' . __('Static analysis:')
. '</strong></p>';
$error_msg .= '<p>' . sprintf(
__('%d errors were found during analysis.'),
count($errors)
) . '</p>';
$error_msg .= '<p><ol>';
$error_msg .= implode(
ParserError::format(
$errors,
'<li>%2$s (near "%4$s" at position %5$d)</li>'
)
);
$error_msg .= '</ol></p>';
}
// Display the SQL query and link to MySQL documentation.
$error_msg .= '<p><strong>' . __('SQL query:') . '</strong>' . "\n";
$formattedSqlToLower = mb_strtolower($formatted_sql);
// TODO: Show documentation for all statement types.
if (mb_strstr($formattedSqlToLower, 'select')) {
// please show me help to the error on select
$error_msg .= self::showMySQLDocu('SELECT');
}
if ($is_modify_link) {
$_url_params = array(
'sql_query' => $sql_query,
'show_query' => 1,
);
if (strlen($table) > 0) {
$_url_params['db'] = $db;
$_url_params['table'] = $table;
$doedit_goto = '<a href="tbl_sql.php'
. Url::getCommon($_url_params) . '">';
} elseif (strlen($db) > 0) {
$_url_params['db'] = $db;
$doedit_goto = '<a href="db_sql.php'
. Url::getCommon($_url_params) . '">';
} else {
$doedit_goto = '<a href="server_sql.php'
. Url::getCommon($_url_params) . '">';
}
$error_msg .= $doedit_goto
. self::getIcon('b_edit', __('Edit'))
. '</a>';
}
$error_msg .= ' </p>' . "\n"
. '<p>' . "\n"
. $formatted_sql . "\n"
. '</p>' . "\n";
}
// Display server's error.
if (!empty($server_msg)) {
$server_msg = preg_replace(
"@((\015\012)|(\015)|(\012)){3,}@",
"\n\n",
$server_msg
);
// Adds a link to MySQL documentation.
$error_msg .= '<p>' . "\n"
. ' <strong>' . __('MySQL said: ') . '</strong>'
. self::showMySQLDocu('Error-messages-server')
. "\n"
. '</p>' . "\n";
// The error message will be displayed within a CODE segment.
// To preserve original formatting, but allow word-wrapping,
// a couple of replacements are done.
// All non-single blanks and TAB-characters are replaced with their
// HTML-counterpart
$server_msg = str_replace(
array(' ', "\t"),
array(' ', ' '),
$server_msg
);
// Replace line breaks
$server_msg = nl2br($server_msg);
$error_msg .= '<code>' . $server_msg . '</code><br/>';
}
$error_msg .= '</div>';
$_SESSION['Import_message']['message'] = $error_msg;
if (!$exit) {
return $error_msg;
}
/**
* If this is an AJAX request, there is no "Back" link and
* `Response()` is used to send the response.
*/
$response = Response::getInstance();
if ($response->isAjax()) {
$response->setRequestStatus(false);
$response->addJSON('message', $error_msg);
exit;
}
if (!empty($back_url)) {
if (mb_strstr($back_url, '?')) {
$back_url .= '&no_history=true';
} else {
$back_url .= '?no_history=true';
}
$_SESSION['Import_message']['go_back_url'] = $back_url;
$error_msg .= '<fieldset class="tblFooters">'
. '[ <a href="' . $back_url . '">' . __('Back') . '</a> ]'
. '</fieldset>' . "\n\n";
}
exit($error_msg);
}
/**
* Check the correct row count
*
* @param string $db the db name
* @param array $table the table infos
*
* @return int $rowCount the possibly modified row count
*
*/
private static function _checkRowCount($db, array $table)
{
$rowCount = 0;
if ($table['Rows'] === null) {
// Do not check exact row count here,
// if row count is invalid possibly the table is defect
// and this would break the navigation panel;
// but we can check row count if this is a view or the
// information_schema database
// since Table::countRecords() returns a limited row count
// in this case.
// set this because Table::countRecords() can use it
$tbl_is_view = $table['TABLE_TYPE'] == 'VIEW';
if ($tbl_is_view || $GLOBALS['dbi']->isSystemSchema($db)) {
$rowCount = $GLOBALS['dbi']
->getTable($db, $table['Name'])
->countRecords();
}
}
return $rowCount;
}
/**
* returns array with tables of given db with extended information and grouped
*
* @param string $db name of db
* @param string $tables name of tables
* @param integer $limit_offset list offset
* @param int|bool $limit_count max tables to return
*
* @return array (recursive) grouped table list
*/
public static function getTableList(
$db,
$tables = null,
$limit_offset = 0,
$limit_count = false
) {
$sep = $GLOBALS['cfg']['NavigationTreeTableSeparator'];
if ($tables === null) {
$tables = $GLOBALS['dbi']->getTablesFull(
$db,
'',
false,
$limit_offset,
$limit_count
);
if ($GLOBALS['cfg']['NaturalOrder']) {
uksort($tables, 'strnatcasecmp');
}
}
if (count($tables) < 1) {
return $tables;
}
$default = array(
'Name' => '',
'Rows' => 0,
'Comment' => '',
'disp_name' => '',
);
$table_groups = array();
foreach ($tables as $table_name => $table) {
$table['Rows'] = self::_checkRowCount($db, $table);
// in $group we save the reference to the place in $table_groups
// where to store the table info
if ($GLOBALS['cfg']['NavigationTreeEnableGrouping']
&& $sep && mb_strstr($table_name, $sep)
) {
$parts = explode($sep, $table_name);
$group =& $table_groups;
$i = 0;
$group_name_full = '';
$parts_cnt = count($parts) - 1;
while (($i < $parts_cnt)
&& ($i < $GLOBALS['cfg']['NavigationTreeTableLevel'])
) {
$group_name = $parts[$i] . $sep;
$group_name_full .= $group_name;
if (! isset($group[$group_name])) {
$group[$group_name] = array();
$group[$group_name]['is' . $sep . 'group'] = true;
$group[$group_name]['tab' . $sep . 'count'] = 1;
$group[$group_name]['tab' . $sep . 'group']
= $group_name_full;
} elseif (! isset($group[$group_name]['is' . $sep . 'group'])) {
$table = $group[$group_name];
$group[$group_name] = array();
$group[$group_name][$group_name] = $table;
$group[$group_name]['is' . $sep . 'group'] = true;
$group[$group_name]['tab' . $sep . 'count'] = 1;
$group[$group_name]['tab' . $sep . 'group']
= $group_name_full;
} else {
$group[$group_name]['tab' . $sep . 'count']++;
}
$group =& $group[$group_name];
$i++;
}
} else {
if (! isset($table_groups[$table_name])) {
$table_groups[$table_name] = array();
}
$group =& $table_groups;
}
$table['disp_name'] = $table['Name'];
$group[$table_name] = array_merge($default, $table);
}
return $table_groups;
}
/* ----------------------- Set of misc functions ----------------------- */
/**
* Adds backquotes on both sides of a database, table or field name.
* and escapes backquotes inside the name with another backquote
*
* example:
* <code>
* echo backquote('owner`s db'); // `owner``s db`
*
* </code>
*
* @param mixed $a_name the database, table or field name to "backquote"
* or array of it
* @param boolean $do_it a flag to bypass this function (used by dump
* functions)
*
* @return mixed the "backquoted" database, table or field name
*
* @access public
*/
public static function backquote($a_name, $do_it = true)
{
if (is_array($a_name)) {
foreach ($a_name as &$data) {
$data = self::backquote($data, $do_it);
}
return $a_name;
}
if (! $do_it) {
if (!(Context::isKeyword($a_name) & Token::FLAG_KEYWORD_RESERVED)
) {
return $a_name;
}
}
// '0' is also empty for php :-(
if (strlen($a_name) > 0 && $a_name !== '*') {
return '`' . str_replace('`', '``', $a_name) . '`';
}
return $a_name;
} // end of the 'backquote()' function
/**
* Adds backquotes on both sides of a database, table or field name.
* in compatibility mode
*
* example:
* <code>
* echo backquoteCompat('owner`s db'); // `owner``s db`
*
* </code>
*
* @param mixed $a_name the database, table or field name to
* "backquote" or array of it
* @param string $compatibility string compatibility mode (used by dump
* functions)
* @param boolean $do_it a flag to bypass this function (used by dump
* functions)
*
* @return mixed the "backquoted" database, table or field name
*
* @access public
*/
public static function backquoteCompat(
$a_name,
$compatibility = 'MSSQL',
$do_it = true
) {
if (is_array($a_name)) {
foreach ($a_name as &$data) {
$data = self::backquoteCompat($data, $compatibility, $do_it);
}
return $a_name;
}
if (! $do_it) {
if (!Context::isKeyword($a_name)) {
return $a_name;
}
}
// @todo add more compatibility cases (ORACLE for example)
switch ($compatibility) {
case 'MSSQL':
$quote = '"';
break;
default:
$quote = "`";
break;
}
// '0' is also empty for php :-(
if (strlen($a_name) > 0 && $a_name !== '*') {
return $quote . $a_name . $quote;
}
return $a_name;
} // end of the 'backquoteCompat()' function
/**
* Prepare the message and the query
* usually the message is the result of the query executed
*
* @param Message|string $message the message to display
* @param string $sql_query the query to display
* @param string $type the type (level) of the message
*
* @return string
*
* @access public
*/
public static function getMessage(
$message,
$sql_query = null,
$type = 'notice'
) {
global $cfg;
$retval = '';
if (null === $sql_query) {
if (! empty($GLOBALS['display_query'])) {
$sql_query = $GLOBALS['display_query'];
} elseif (! empty($GLOBALS['unparsed_sql'])) {
$sql_query = $GLOBALS['unparsed_sql'];
} elseif (! empty($GLOBALS['sql_query'])) {
$sql_query = $GLOBALS['sql_query'];
} else {
$sql_query = '';
}
}
$render_sql = $cfg['ShowSQL'] == true && ! empty($sql_query) && $sql_query !== ';';
if (isset($GLOBALS['using_bookmark_message'])) {
$retval .= $GLOBALS['using_bookmark_message']->getDisplay();
unset($GLOBALS['using_bookmark_message']);
}
if ($render_sql) {
$retval .= '<div class="result_query">' . "\n";
}
if ($message instanceof Message) {
if (isset($GLOBALS['special_message'])) {
$message->addText($GLOBALS['special_message']);
unset($GLOBALS['special_message']);
}
$retval .= $message->getDisplay();
} else {
$retval .= '<div class="' . $type . '">';
$retval .= Sanitize::sanitize($message);
if (isset($GLOBALS['special_message'])) {
$retval .= Sanitize::sanitize($GLOBALS['special_message']);
unset($GLOBALS['special_message']);
}
$retval .= '</div>';
}
if ($render_sql) {
$query_too_big = false;
$queryLength = mb_strlen($sql_query);
if ($queryLength > $cfg['MaxCharactersInDisplayedSQL']) {
// when the query is large (for example an INSERT of binary
// data), the parser chokes; so avoid parsing the query
$query_too_big = true;
$query_base = mb_substr(
$sql_query,
0,
$cfg['MaxCharactersInDisplayedSQL']
) . '[...]';
} else {
$query_base = $sql_query;
}
// Html format the query to be displayed
// If we want to show some sql code it is easiest to create it here
/* SQL-Parser-Analyzer */
if (! empty($GLOBALS['show_as_php'])) {
$new_line = '\\n"<br />' . "\n" . ' . "';
$query_base = htmlspecialchars(addslashes($query_base));
$query_base = preg_replace(
'/((\015\012)|(\015)|(\012))/',
$new_line,
$query_base
);
$query_base = '<code class="php"><pre>' . "\n"
. '$sql = "' . $query_base . '";' . "\n"
. '</pre></code>';
} elseif ($query_too_big) {
$query_base = '<code class="sql"><pre>' . "\n" .
htmlspecialchars($query_base) .
'</pre></code>';
} else {
$query_base = self::formatSql($query_base);
}
// Prepares links that may be displayed to edit/explain the query
// (don't go to default pages, we must go to the page
// where the query box is available)
// Basic url query part
$url_params = array();
if (! isset($GLOBALS['db'])) {
$GLOBALS['db'] = '';
}
if (strlen($GLOBALS['db']) > 0) {
$url_params['db'] = $GLOBALS['db'];
if (strlen($GLOBALS['table']) > 0) {
$url_params['table'] = $GLOBALS['table'];
$edit_link = 'tbl_sql.php';
} else {
$edit_link = 'db_sql.php';
}
} else {
$edit_link = 'server_sql.php';
}
// Want to have the query explained
// but only explain a SELECT (that has not been explained)
/* SQL-Parser-Analyzer */
$explain_link = '';
$is_select = preg_match('@^SELECT[[:space:]]+@i', $sql_query);
if (! empty($cfg['SQLQuery']['Explain']) && ! $query_too_big) {
$explain_params = $url_params;
if ($is_select) {
$explain_params['sql_query'] = 'EXPLAIN ' . $sql_query;
$explain_link = ' [ '
. self::linkOrButton(
'import.php' . Url::getCommon($explain_params),
__('Explain SQL')
) . ' ]';
} elseif (preg_match(
'@^EXPLAIN[[:space:]]+SELECT[[:space:]]+@i',
$sql_query
)) {
$explain_params['sql_query']
= mb_substr($sql_query, 8);
$explain_link = ' [ '
. self::linkOrButton(
'import.php' . Url::getCommon($explain_params),
__('Skip Explain SQL')
) . ']';
$url = 'https://mariadb.org/explain_analyzer/analyze/'
. '?client=phpMyAdmin&raw_explain='
. urlencode(self::_generateRowQueryOutput($sql_query));
$explain_link .= ' ['
. self::linkOrButton(
htmlspecialchars('url.php?url=' . urlencode($url)),
sprintf(__('Analyze Explain at %s'), 'mariadb.org'),
array(),
'_blank'
) . ' ]';
}
} //show explain
$url_params['sql_query'] = $sql_query;
$url_params['show_query'] = 1;
// even if the query is big and was truncated, offer the chance
// to edit it (unless it's enormous, see linkOrButton() )
if (! empty($cfg['SQLQuery']['Edit'])
&& empty($GLOBALS['show_as_php'])
) {
$edit_link .= Url::getCommon($url_params);
$edit_link = ' [ '
. self::linkOrButton($edit_link, __('Edit'))
. ' ]';
} else {
$edit_link = '';
}
// Also we would like to get the SQL formed in some nice
// php-code
if (! empty($cfg['SQLQuery']['ShowAsPHP']) && ! $query_too_big) {
if (! empty($GLOBALS['show_as_php'])) {
$php_link = ' [ '
. self::linkOrButton(
'import.php' . Url::getCommon($url_params),
__('Without PHP code')
)
. ' ]';
$php_link .= ' [ '
. self::linkOrButton(
'import.php' . Url::getCommon($url_params),
__('Submit query')
)
. ' ]';
} else {
$php_params = $url_params;
$php_params['show_as_php'] = 1;
$php_link = ' [ '
. self::linkOrButton(
'import.php' . Url::getCommon($php_params),
__('Create PHP code')
)
. ' ]';
}
} else {
$php_link = '';
} //show as php
// Refresh query
if (! empty($cfg['SQLQuery']['Refresh'])
&& ! isset($GLOBALS['show_as_php']) // 'Submit query' does the same
&& preg_match('@^(SELECT|SHOW)[[:space:]]+@i', $sql_query)
) {
$refresh_link = 'import.php' . Url::getCommon($url_params);
$refresh_link = ' [ '
. self::linkOrButton($refresh_link, __('Refresh')) . ']';
} else {
$refresh_link = '';
} //refresh
$retval .= '<div class="sqlOuter">';
$retval .= $query_base;
$retval .= '</div>';
$retval .= '<div class="tools print_ignore">';
$retval .= '<form action="sql.php" method="post">';
$retval .= Url::getHiddenInputs($GLOBALS['db'], $GLOBALS['table']);
$retval .= '<input type="hidden" name="sql_query" value="'
. htmlspecialchars($sql_query) . '" />';
// avoid displaying a Profiling checkbox that could
// be checked, which would reexecute an INSERT, for example
if (! empty($refresh_link) && self::profilingSupported()) {
$retval .= '<input type="hidden" name="profiling_form" value="1" />';
$retval .= Template::get('checkbox')
->render(
array(
'html_field_name' => 'profiling',
'label' => __('Profiling'),
'checked' => isset($_SESSION['profiling']),
'onclick' => true,
'html_field_id' => '',
)
);
}
$retval .= '</form>';
/**
* TODO: Should we have $cfg['SQLQuery']['InlineEdit']?
*/
if (! empty($cfg['SQLQuery']['Edit'])
&& ! $query_too_big
&& empty($GLOBALS['show_as_php'])
) {
$inline_edit_link = ' ['
. self::linkOrButton(
'#',
_pgettext('Inline edit query', 'Edit inline'),
array('class' => 'inline_edit_sql')
)
. ']';
} else {
$inline_edit_link = '';
}
$retval .= $inline_edit_link . $edit_link . $explain_link . $php_link
. $refresh_link;
$retval .= '</div>';
$retval .= '</div>';
}
return $retval;
} // end of the 'getMessage()' function
/**
* Execute an EXPLAIN query and formats results similar to MySQL command line
* utility.
*
* @param string $sqlQuery EXPLAIN query
*
* @return string query resuls
*/
private static function _generateRowQueryOutput($sqlQuery)
{
$ret = '';
$result = $GLOBALS['dbi']->query($sqlQuery);
if ($result) {
$devider = '+';
$columnNames = '|';
$fieldsMeta = $GLOBALS['dbi']->getFieldsMeta($result);
foreach ($fieldsMeta as $meta) {
$devider .= '---+';
$columnNames .= ' ' . $meta->name . ' |';
}
$devider .= "\n";
$ret .= $devider . $columnNames . "\n" . $devider;
while ($row = $GLOBALS['dbi']->fetchRow($result)) {
$values = '|';
foreach ($row as $value) {
if (is_null($value)) {
$value = 'NULL';
}
$values .= ' ' . $value . ' |';
}
$ret .= $values . "\n";
}
$ret .= $devider;
}
return $ret;
}
/**
* Verifies if current MySQL server supports profiling
*
* @access public
*
* @return boolean whether profiling is supported
*/
public static function profilingSupported()
{
if (!self::cacheExists('profiling_supported')) {
// 5.0.37 has profiling but for example, 5.1.20 does not
// (avoid a trip to the server for MySQL before 5.0.37)
// and do not set a constant as we might be switching servers
if ($GLOBALS['dbi']->fetchValue("SELECT @@have_profiling")
) {
self::cacheSet('profiling_supported', true);
} else {
self::cacheSet('profiling_supported', false);
}
}
return self::cacheGet('profiling_supported');
}
/**
* Formats $value to byte view
*
* @param double|int $value the value to format
* @param int $limes the sensitiveness
* @param int $comma the number of decimals to retain
*
* @return array the formatted value and its unit
*
* @access public
*/
public static function formatByteDown($value, $limes = 6, $comma = 0)
{
if ($value === null) {
return null;
}
$byteUnits = array(
/* l10n: shortcuts for Byte */
__('B'),
/* l10n: shortcuts for Kilobyte */
__('KiB'),
/* l10n: shortcuts for Megabyte */
__('MiB'),
/* l10n: shortcuts for Gigabyte */
__('GiB'),
/* l10n: shortcuts for Terabyte */
__('TiB'),
/* l10n: shortcuts for Petabyte */
__('PiB'),
/* l10n: shortcuts for Exabyte */
__('EiB')
);
$dh = pow(10, $comma);
$li = pow(10, $limes);
$unit = $byteUnits[0];
for ($d = 6, $ex = 15; $d >= 1; $d--, $ex-=3) {
$unitSize = $li * pow(10, $ex);
if (isset($byteUnits[$d]) && $value >= $unitSize) {
// use 1024.0 to avoid integer overflow on 64-bit machines
$value = round($value / (pow(1024, $d) / $dh)) /$dh;
$unit = $byteUnits[$d];
break 1;
} // end if
} // 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 array(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 double $value the value to format
* @param integer $digits_left number of digits left of the comma
* @param integer $digits_right number of digits right of the comma
* @param boolean $only_down do not reformat numbers below 1
* @param boolean $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(
$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 = array(
-8 => 'y',
-7 => 'z',
-6 => 'a',
-5 => 'f',
-4 => 'p',
-3 => 'n',
-2 => 'µ',
-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
*/
$d = floor(log10($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 $formatted_size the size expression (for example 8MB)
*
* @return integer The numerical part of the expression (for example 8)
*/
public static function extractValueFromFormattedSize($formatted_size)
{
$return_value = -1;
if (preg_match('/^[0-9]+GB$/', $formatted_size)) {
$return_value = mb_substr($formatted_size, 0, -2)
* pow(1024, 3);
} elseif (preg_match('/^[0-9]+MB$/', $formatted_size)) {
$return_value = mb_substr($formatted_size, 0, -2)
* pow(1024, 2);
} elseif (preg_match('/^[0-9]+K$/', $formatted_size)) {
$return_value = mb_substr($formatted_size, 0, -1)
* pow(1024, 1);
}
return $return_value;
}// end of the 'extractValueFromFormattedSize' function
/**
* Writes localised date
*
* @param integer $timestamp the current timestamp
* @param string $format format
*
* @return string the formatted date
*
* @access public
*/
public static function localisedDate($timestamp = -1, $format = '')
{
$month = array(
/* 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'));
$day_of_week = array(
/* l10n: Short week day name for Sunday */
_pgettext('Short week day name', 'Sun'),
/* l10n: Short week day name for Monday */
__('Mon'),
/* l10n: Short week day name for Tuesday */
__('Tue'),
/* l10n: Short week day name for Wednesday */
__('Wed'),
/* l10n: Short week day name for Thursday */
__('Thu'),
/* l10n: Short week day name for Friday */
__('Fri'),
/* l10n: Short week day name for Saturday */
__('Sat'));
if ($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', $timestamp)],
$format
);
$date = preg_replace(
'@%[bB]@',
$month[(int)strftime('%m', $timestamp)-1],
$date
);
/* Fill in AM/PM */
$hours = (int)date('H', $timestamp);
if ($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);
$ret = strftime($date, $timestamp);
// Some OSes such as Win8.1 Traditional Chinese version did not produce UTF-8
// output here. See https://github.com/phpmyadmin/phpmyadmin/issues/10598
if (mb_detect_encoding($ret, 'UTF-8', true) != 'UTF-8') {
$ret = date('Y-m-d H:i:s', $timestamp);
}
return $ret;
} // end of the 'localisedDate()' function
/**
* returns a tab for tabbed navigation.
* If the variables $link and $args ar left empty, an inactive tab is created
*
* @param array $tab array with all options
* @param array $url_params tab specific URL parameters
*
* @return string html code for one tab, a link if valid otherwise a span
*
* @access public
*/
public static function getHtmlTab(array $tab, array $url_params = array())
{
// default values
$defaults = array(
'text' => '',
'class' => '',
'active' => null,
'link' => '',
'sep' => '?',
'attr' => '',
'args' => '',
'warning' => '',
'fragment' => '',
'id' => '',
);
$tab = array_merge($defaults, $tab);
// determine additional style-class
if (empty($tab['class'])) {
if (! empty($tab['active'])
|| Core::isValid($GLOBALS['active_page'], 'identical', $tab['link'])
) {
$tab['class'] = 'active';
} elseif (is_null($tab['active']) && empty($GLOBALS['active_page'])
&& (basename($GLOBALS['PMA_PHP_SELF']) == $tab['link'])
) {
$tab['class'] = 'active';
}
}
// build the link
if (! empty($tab['link'])) {
// If there are any tab specific URL parameters, merge those with
// the general URL parameters
if (! empty($tab['args']) && is_array($tab['args'])) {
$url_params = array_merge($url_params, $tab['args']);
}
$tab['link'] = htmlentities($tab['link']) . Url::getCommon($url_params);
}
if (! empty($tab['fragment'])) {
$tab['link'] .= $tab['fragment'];
}
// display icon
if (isset($tab['icon'])) {
// avoid generating an alt tag, because it only illustrates
// the text that follows and if browser does not display
// images, the text is duplicated
$tab['text'] = self::getIcon(
$tab['icon'],
$tab['text'],
false,
true,
'TabsMode'
);
} elseif (empty($tab['text'])) {
// check to not display an empty link-text
$tab['text'] = '?';
trigger_error(
'empty linktext in function ' . __FUNCTION__ . '()',
E_USER_NOTICE
);
}
//Set the id for the tab, if set in the params
$tabId = (empty($tab['id']) ? null : $tab['id']);
$item = array();
if (!empty($tab['link'])) {
$item = array(
'content' => $tab['text'],
'url' => array(
'href' => empty($tab['link']) ? null : $tab['link'],
'id' => $tabId,
'class' => 'tab' . htmlentities($tab['class']),
),
);
} else {
$item['content'] = '<span class="tab' . htmlentities($tab['class']) . '"'
. $tabId . '>' . $tab['text'] . '</span>';
}
$item['class'] = $tab['class'] == 'active' ? 'active' : '';
return Template::get('list/item')
->render($item);
} // end of the 'getHtmlTab()' function
/**
* returns html-code for a tab navigation
*
* @param array $tabs one element per tab
* @param array $url_params additional URL parameters
* @param string $menu_id HTML id attribute for the menu container
* @param bool $resizable whether to add a "resizable" class
*
* @return string html-code for tab-navigation
*/
public static function getHtmlTabs(
array $tabs,
array $url_params,
$menu_id,
$resizable = false
) {
$class = '';
if ($resizable) {
$class = ' class="resizable-menu"';
}
$tab_navigation = '<div id="' . htmlentities($menu_id)
. 'container" class="menucontainer">'
. '<i class="scrollindicator scrollindicator--left"><a href="#" class="tab"></a></i>'
. '<div class="navigationbar"><ul id="' . htmlentities($menu_id) . '" ' . $class . '>';
foreach ($tabs as $tab) {
$tab_navigation .= self::getHtmlTab($tab, $url_params);
}
$tab_navigation .= '';
$tab_navigation .=
'<div class="clearfloat"></div>'
. '</ul></div>' . "\n"
. '<i class="scrollindicator scrollindicator--right"><a href="#" class="tab"></a></i>'
. '</div>' . "\n";
return $tab_navigation;
}
/**
* Displays a link, or a link with code to trigger POST request.
*
* POST is used in following cases:
*
* - URL is too long
* - URL components are over Suhosin limits
* - There is SQL query in the parameters
*
* @param string $url the URL
* @param string $message the link message
* @param mixed $tag_params string: js confirmation; array: additional tag
* params (f.e. style="")
* @param string $target target
*
* @return string the results to be echoed or saved in an array
*/
public static function linkOrButton(
$url, $message, $tag_params = array(), $target = ''
) {
$url_length = strlen($url);
if (! is_array($tag_params)) {
$tmp = $tag_params;
$tag_params = array();
if (! empty($tmp)) {
$tag_params['onclick'] = 'return confirmLink(this, \''
. Sanitize::escapeJsString($tmp) . '\')';
}
unset($tmp);
}
if (! empty($target)) {
$tag_params['target'] = $target;
if ($target === '_blank' && strncmp($url, 'url.php?', 8) == 0) {
$tag_params['rel'] = 'noopener noreferrer';
}
}
// Suhosin: Check that each query parameter is not above maximum
$in_suhosin_limits = true;
if ($url_length <= $GLOBALS['cfg']['LinkLengthLimit']) {
$suhosin_get_MaxValueLength = ini_get('suhosin.get.max_value_length');
if ($suhosin_get_MaxValueLength) {
$query_parts = self::splitURLQuery($url);
foreach ($query_parts as $query_pair) {
if (strpos($query_pair, '=') === false) {
continue;
}
list(, $eachval) = explode('=', $query_pair);
if (strlen($eachval) > $suhosin_get_MaxValueLength
) {
$in_suhosin_limits = false;
break;
}
}
}
}
$tag_params_strings = array();
if (($url_length > $GLOBALS['cfg']['LinkLengthLimit'])
|| ! $in_suhosin_limits
// Has as sql_query without a signature
|| ( strpos($url, 'sql_query=') !== false && strpos($url, 'sql_signature=') === false)
|| strpos($url, 'view[as]=') !== false
) {
$parts = explode('?', $url, 2);
/*
* The data-post indicates that client should do POST
* this is handled in js/ajax.js
*/
$tag_params_strings[] = 'data-post="' . (isset($parts[1]) ? $parts[1] : '') . '"';
$url = $parts[0];
if(array_key_exists('class', $tag_params)
&& strpos($tag_params['class'], 'create_view') !== false
) {
$url .= '?' . explode('&', $parts[1], 2)[0];
}
}
foreach ($tag_params as $par_name => $par_value) {
$tag_params_strings[] = $par_name . '="' . htmlspecialchars($par_value) . '"';
}
// no whitespace within an <a> else Safari will make it part of the link
return '<a href="' . $url . '" '
. implode(' ', $tag_params_strings) . '>'
. $message . '</a>';
} // end of the 'linkOrButton()' 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, $url);
$url = str_replace('&', $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 array();
}
/**
* 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 boolean $request Check parameters in request
*
* @return void
*
* @access public
*/
public static function checkParameters($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
. self::showDocu('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 integer $fields_cnt number of fields
* @param array $fields_meta meta information about fields
* @param array $row current row
* @param boolean $force_unique generate condition only on pk
* or unique
* @param string|boolean $restrict_to_table restrict the unique condition
* to this table or false if
* none
* @param array|null $analyzed_sql_results the analyzed query
*
* @access public
*
* @return array the calculated condition and whether condition is unique
*/
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 = array();
$unique_key_array = array();
$nonprimary_condition_array = array();
$condition_array = array();
for ($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[$i]) || is_null($row[$i])) {
$con_val = 'IS NULL';
} else {
// timestamp is numeric on some MySQL 4.1
// for real we use CONCAT above and it should compare to string
if ($meta->numeric
&& ($meta->type != 'timestamp')
&& ($meta->type != 'real')
) {
$con_val = '= ' . $row[$i];
} elseif ((($meta->type == 'blob') || ($meta->type == 'string'))
&& stristr($field_flags, 'BINARY')
&& ! empty($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') {
$con_val = "= b'"
. self::printableBitValue($row[$i], $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;
}
$where_clause = trim(preg_replace('|\s?AND$|', '', $preferred_condition));
return(array($where_clause, $clause_is_unique, $condition_array));
} // end function
/**
* Generate the charset query part
*
* @param string $collation Collation
* @param boolean optional $override force 'CHARACTER SET' keyword
*
* @return string
*/
static function getCharsetQueryPart($collation, $override = false)
{
list($charset) = explode('_', $collation);
$keyword = ' CHARSET=';
if ($override) {
$keyword = ' CHARACTER SET ';
}
return $keyword . $charset
. ($charset == $collation ? '' : ' COLLATE ' . $collation);
}
/**
* Generate a button or image tag
*
* @param string $button_name name of button element
* @param string $button_class class of button or image element
* @param string $text text to display
* @param string $image image to display
* @param string $value value
*
* @return string html content
*
* @access public
*/
public static function getButtonOrImage(
$button_name, $button_class, $text, $image, $value = ''
) {
if ($value == '') {
$value = $text;
}
if ($GLOBALS['cfg']['ActionLinksMode'] == 'text') {
return ' <input type="submit" name="' . $button_name . '"'
. ' value="' . htmlspecialchars($value) . '"'
. ' title="' . htmlspecialchars($text) . '" />' . "\n";
}
return '<button class="' . $button_class . '" type="submit"'
. ' name="' . $button_name . '" value="' . htmlspecialchars($value)
. '" title="' . htmlspecialchars($text) . '">' . "\n"
. self::getIcon($image, $text)
. '</button>' . "\n";
} // end function
/**
* 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 {
$pages = array();
// Always show first X pages
for ($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, $max_count)
{
return floor($pos / $max_count) + 1;
}
/**
* Prepare navigation for a list
*
* @param int $count number of elements in the list
* @param int $pos current position in the list
* @param array $_url_params url parameters
* @param string $script script name for form target
* @param string $frame target frame
* @param int $max_count maximum number of elements to display from
* the list
* @param string $name the name for the request parameter
* @param string[] $classes additional classes for the container
*
* @return string $list_navigator_html the html content
*
* @access public
*
* @todo use $pos from $_url_params
*/
public static function getListNavigator(
$count, $pos, array $_url_params, $script, $frame, $max_count, $name = 'pos',
$classes = array()
) {
// This is often coming from $cfg['MaxTableList'] and
// people sometimes set it to empty string
$max_count = intval($max_count);
if ($max_count <= 0) {
$max_count = 250;
}
$class = $frame == 'frame_navigation' ? ' class="ajax"' : '';
$list_navigator_html = '';
if ($max_count < $count) {
$classes[] = 'pageselector';
$list_navigator_html .= '<div class="' . implode(' ', $classes) . '">';
if ($frame != 'frame_navigation') {
$list_navigator_html .= __('Page number:');
}
// Move to the beginning or to the previous page
if ($pos > 0) {
$caption1 = ''; $caption2 = '';
if (self::showIcons('TableNavigationLinksMode')) {
$caption1 .= '<< ';
$caption2 .= '< ';
}
if (self::showText('TableNavigationLinksMode')) {
$caption1 .= _pgettext('First page', 'Begin');
$caption2 .= _pgettext('Previous page', 'Previous');
}
$title1 = ' title="' . _pgettext('First page', 'Begin') . '"';
$title2 = ' title="' . _pgettext('Previous page', 'Previous') . '"';
$_url_params[$name] = 0;
$list_navigator_html .= '<a' . $class . $title1 . ' href="' . $script
. Url::getCommon($_url_params) . '">' . $caption1
. '</a>';
$_url_params[$name] = $pos - $max_count;
$list_navigator_html .= ' <a' . $class . $title2
. ' href="' . $script . Url::getCommon($_url_params) . '">'
. $caption2 . '</a>';
}
$list_navigator_html .= '<form action="' . basename($script)
. '" method="post">';
$list_navigator_html .= Url::getHiddenInputs($_url_params);
$list_navigator_html .= self::pageselector(
$name,
$max_count,
self::getPageFromPosition($pos, $max_count),
ceil($count / $max_count)
);
$list_navigator_html .= '</form>';
if ($pos + $max_count < $count) {
$caption3 = ''; $caption4 = '';
if (self::showText('TableNavigationLinksMode')) {
$caption3 .= _pgettext('Next page', 'Next');
$caption4 .= _pgettext('Last page', 'End');
}
if (self::showIcons('TableNavigationLinksMode')) {
$caption3 .= ' >';
$caption4 .= ' >>';
if (! self::showText('TableNavigationLinksMode')) {
}
}
$title3 = ' title="' . _pgettext('Next page', 'Next') . '"';
$title4 = ' title="' . _pgettext('Last page', 'End') . '"';
$_url_params[$name] = $pos + $max_count;
$list_navigator_html .= '<a' . $class . $title3 . ' href="' . $script
. Url::getCommon($_url_params) . '" >' . $caption3
. '</a>';
$_url_params[$name] = floor($count / $max_count) * $max_count;
if ($_url_params[$name] == $count) {
$_url_params[$name] = $count - $max_count;
}
$list_navigator_html .= ' <a' . $class . $title4
. ' href="' . $script . Url::getCommon($_url_params) . '" >'
. $caption4 . '</a>';
}
$list_navigator_html .= '</div>' . "\n";
}
return $list_navigator_html;
}
/**
* 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);
}
/**
* returns html code for db link to default db page
*
* @param string $database database
*
* @return string html link to default db page
*/
public static function getDbLink($database = null)
{
if (strlen($database) === 0) {
if (strlen($GLOBALS['db']) === 0) {
return '';
}
$database = $GLOBALS['db'];
} else {
$database = self::unescapeMysqlWildcards($database);
}
return '<a href="'
. self::getScriptNameForOption(
$GLOBALS['cfg']['DefaultTabDatabase'], 'database'
)
. Url::getCommon(array('db' => $database)) . '" title="'
. htmlspecialchars(
sprintf(
__('Jump to database “%s”.'),
$database
)
)
. '">' . htmlspecialchars($database) . '</a>';
}
/**
* Prepare a lightbulb hint explaining a known external bug
* that affects a functionality
*
* @param string $functionality localized message explaining the func.
* @param string $component 'mysql' (eventually, 'php')
* @param string $minimum_version of this component
* @param string $bugref bug reference for this component
*
* @return String
*/
public static function getExternalBug(
$functionality, $component, $minimum_version, $bugref
) {
$ext_but_html = '';
if (($component == 'mysql') && ($GLOBALS['dbi']->getVersion() < $minimum_version)) {
$ext_but_html .= self::showHint(
sprintf(
__('The %s functionality is affected by a known bug, see %s'),
$functionality,
Core::linkURL('https://bugs.mysql.com/') . $bugref
)
);
}
return $ext_but_html;
}
/**
* Generates a set of radio HTML fields
*
* @param string $html_field_name the radio HTML field
* @param array $choices the choices values and labels
* @param string $checked_choice the choice to check by default
* @param boolean $line_break whether to add HTML line break after a choice
* @param boolean $escape_label whether to use htmlspecialchars() on label
* @param string $class enclose each choice with a div of this class
* @param string $id_prefix prefix for the id attribute, name will be
* used if this is not supplied
*
* @return string set of html radio fiels
*/
public static function getRadioFields(
$html_field_name, array $choices, $checked_choice = '',
$line_break = true, $escape_label = true, $class = '',
$id_prefix = ''
) {
$radio_html = '';
foreach ($choices as $choice_value => $choice_label) {
if (! $id_prefix) {
$id_prefix = $html_field_name;
}
$html_field_id = $id_prefix . '_' . $choice_value;
if ($choice_value == $checked_choice){
$checked = 1;
}
else{
$checked = 0;
}
$radio_html .= Template::get('radio_fields')->render([
'class' => $class,
'html_field_name' => $html_field_name,
'html_field_id' => $html_field_id,
'choice_value' => $choice_value,
'is_line_break' => $line_break,
'choice_label' => $choice_label,
'escape_label' => $escape_label,
'checked' => $checked
]);
}
return $radio_html;
}
/**
* Generates and returns an HTML dropdown
*
* @param string $select_name name for the select element
* @param array $choices choices values
* @param string $active_choice the choice to select by default
* @param string $id id of the select element; can be different in
* case the dropdown is present more than once
* on the page
* @param string $class class for the select element
* @param string $placeholder Placeholder for dropdown if nothing else
* is selected
*
* @return string html content
*
* @todo support titles
*/
public static function getDropdown(
$select_name, array $choices, $active_choice, $id, $class = '', $placeholder = null
) {
$resultOptions = [];
$selected = false;
foreach ($choices as $one_choice_value => $one_choice_label) {
$resultOptions[$one_choice_value]['value'] = $one_choice_value;
$resultOptions[$one_choice_value]['selected'] = false;
if ($one_choice_value == $active_choice) {
$resultOptions[$one_choice_value]['selected'] = true;
$selected = true;
}
$resultOptions[$one_choice_value]['label'] = $one_choice_label;
}
return Template::get('dropdown')->render([
'select_name' => $select_name,
'id' => $id,
'class' => $class,
'placeholder' => $placeholder,
'selected' => $selected,
'result_options' => $resultOptions,
]);
}
/**
* Generates a slider effect (jQjuery)
* Takes care of generating the initial <div> and the link
* controlling the slider; you have to generate the </div> yourself
* after the sliding section.
*
* @param string $id the id of the <div> on which to apply the effect
* @param string $message the message to show as a link
* @param string|null $overrideDefault override InitialSlidersState config
*
* @return string html div element
*
*/
public static function getDivForSliderEffect($id = '', $message = '', $overrideDefault = null)
{
return Template::get('div_for_slider_effect')->render([
'id' => $id,
'initial_sliders_state' => ($overrideDefault != null) ? $overrideDefault : $GLOBALS['cfg']['InitialSlidersState'],
'message' => $message,
]);
}
/**
* Creates an AJAX sliding toggle button
* (or and equivalent form when AJAX is disabled)
*
* @param string $action The URL for the request to be executed
* @param string $select_name The name for the dropdown box
* @param array $options An array of options (see PhpMyAdmin\Rte\Footer)
* @param string $callback A JS snippet to execute when the request is
* successfully processed
*
* @return string HTML code for the toggle button
*/
public static function toggleButton($action, $select_name, array $options, $callback)
{
// Do the logic first
$link = "$action&" . urlencode($select_name) . "=";
$link_on = $link . urlencode($options[1]['value']);
$link_off = $link . urlencode($options[0]['value']);
if ($options[1]['selected'] == true) {
$state = 'on';
} elseif ($options[0]['selected'] == true) {
$state = 'off';
} else {
$state = 'on';
}
return Template::get('toggle_button')->render(
[
'pma_theme_image' => $GLOBALS['pmaThemeImage'],
'text_dir' => $GLOBALS['text_dir'],
'link_on' => $link_on,
'link_off' => $link_off,
'toggle_on' => $options[1]['label'],
'toggle_off' => $options[0]['label'],
'callback' => $callback,
'state' => $state
]);
} // end toggleButton()
/**
* Clears cache content which needs to be refreshed on user change.
*
* @return void
*/
public static function clearUserCache()
{
self::cacheUnset('is_superuser');
self::cacheUnset('is_createuser');
self::cacheUnset('is_grantuser');
}
/**
* Calculates session cache key
*
* @return string
*/
public static function cacheKey()
{
if (isset($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 $var variable name
*
* @return boolean
*/
public static function cacheExists($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 $val value
*
* @return mixed
*/
public static function cacheSet($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 integer $value coming from a BIT field
* @param integer $length length
*
* @return string the printable value
*/
public static function printableBitValue($value, $length)
{
// 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 = $value - pow(2, $i);
}
--$i;
}
$printable = strrev($printable);
}
$printable = str_pad($printable, $length, '0', STR_PAD_LEFT);
return $printable;
}
/**
* Verifies whether the value contains a non-printable character
*
* @param string $value value
*
* @return integer
*/
public static function containsNonPrintableAscii($value)
{
return preg_match('@[^[:print:]]@', $value);
}
/**
* Converts a BIT type default value
* for example, b'010' becomes 010
*
* @param string $bit_default_value value
*
* @return string the converted value
*/
public static function convertBitDefaultValue($bit_default_value)
{
return rtrim(ltrim(htmlspecialchars_decode($bit_default_value, ENT_QUOTES), "b'"), "'");
}
/**
* 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 = chop(
mb_substr(
$columnspec,
$first_bracket_pos + 1,
mb_strrpos($columnspec, ')') - $first_bracket_pos - 1
)
);
// convert to lowercase just to be sure
$type = mb_strtolower(
chop(mb_substr($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 ('enum' == $type || 'set' == $type) {
// 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 = array();
/* 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 (preg_match('@binary@', $printtype)
&& ! preg_match('@binary[\(]@', $printtype)
) {
$printtype = preg_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, $GLOBALS['cfg']['LimitChars']
) . '...'
);
$displayed_type .= '</abbr>';
}
return array(
'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 $engine engine
*
* @return boolean
*/
public static function isForeignKeySupported($engine)
{
$engine = strtoupper($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');
}
/**
* Get HTML for Foreign key check checkbox
*
* @return string HTML for checkbox
*/
public static function getFKCheckbox()
{
return Template::get('fk_checkbox')->render([
'checked' => self::isForeignKeyCheck(),
]);
}
/**
* 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);
$wktval = isset($wktarr[0]) ? $wktarr[0] : null;
if ($includeSRID) {
$srid = isset($wktarr[1]) ? $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 Title for the $cfg value
*/
public static function getTitleForTarget($target)
{
$mapping = array(
'structure' => __('Structure'),
'sql' => __('SQL'),
'search' =>__('Search'),
'insert' =>__('Insert'),
'browse' => __('Browse'),
'operations' => __('Operations'),
// For backward compatiblity
// Values for $cfg['DefaultTabTable']
'tbl_structure.php' => __('Structure'),
'tbl_sql.php' => __('SQL'),
'tbl_select.php' =>__('Search'),
'tbl_change.php' =>__('Insert'),
'sql.php' => __('Browse'),
// Values for $cfg['DefaultTabDatabase']
'db_structure.php' => __('Structure'),
'db_sql.php' => __('SQL'),
'db_search.php' => __('Search'),
'db_operations.php' => __('Operations'),
);
return isset($mapping[$target]) ? $mapping[$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 'index.php';
case 'databases':
return 'server_databases.php';
case 'status':
return 'server_status.php';
case 'variables':
return 'server_variables.php';
case 'privileges':
return 'server_privileges.php';
}
} elseif ($location == 'database') {
// Values for $cfg['DefaultTabDatabase']
switch ($target) {
case 'structure':
return 'db_structure.php';
case 'sql':
return 'db_sql.php';
case 'search':
return 'db_search.php';
case 'operations':
return 'db_operations.php';
}
} elseif ($location == 'table') {
// Values for $cfg['DefaultTabTable'],
// $cfg['NavigationTreeDefaultTabTable'] and
// $cfg['NavigationTreeDefaultTabTable2']
switch ($target) {
case 'structure':
return 'tbl_structure.php';
case 'sql':
return 'tbl_sql.php';
case 'search':
return 'tbl_select.php';
case 'insert':
return 'tbl_change.php';
case 'browse':
return 'sql.php';
}
}
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 = array()
) {
/* Content */
$vars = array();
$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 = array(
'@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@' => $vars['phpmyadmin_version'],
);
/* Optional escaping */
if (! is_null($escape)) {
if (is_array($escape)) {
$escape_class = new $escape[1];
$escape_method = $escape[0];
}
foreach ($replace as $key => $val) {
if (is_array($escape)) {
$replace[$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, array('@FIELDS@' => '@COLUMNS@'));
}
/* Fetch columns list if required */
if (mb_strpos($string, '@COLUMNS@') !== false) {
$columns_list = $GLOBALS['dbi']->getColumns(
$GLOBALS['db'], $GLOBALS['table']
);
// sometimes the table no longer exists at this point
if (! is_null($columns_list)) {
$column_names = array();
foreach ($columns_list as $column) {
if (! is_null($escape)) {
$column_names[] = self::$escape($column['Field']);
} else {
$column_names[] = $column['Field'];
}
}
$replace['@COLUMNS@'] = implode(',', $column_names);
} else {
$replace['@COLUMNS@'] = '*';
}
}
/* Do the replacement */
return strtr(strftime($string), $replace);
}
/**
* Prepare the form used to browse anywhere on the local server for a file to
* import
*
* @param string $max_upload_size maximum upload size
*
* @return String
*/
public static function getBrowseUploadFileBlock($max_upload_size)
{
$block_html = '';
if ($GLOBALS['is_upload'] && ! empty($GLOBALS['cfg']['UploadDir'])) {
$block_html .= '<label for="radio_import_file">';
} else {
$block_html .= '<label for="input_import_file">';
}
$block_html .= __("Browse your computer:") . '</label>'
. '<div id="upload_form_status" class="hide"></div>'
. '<div id="upload_form_status_info" class="hide"></div>'
. '<input type="file" name="import_file" id="input_import_file" />'
. self::getFormattedMaximumUploadSize($max_upload_size) . "\n"
// some browsers should respect this :)
. self::generateHiddenMaxFileSize($max_upload_size) . "\n";
return $block_html;
}
/**
* Prepare the form used to select a file to import from the server upload
* directory
*
* @param ImportPlugin[] $import_list array of import plugins
* @param string $uploaddir upload directory
*
* @return String
*/
public static function getSelectUploadFileBlock($import_list, $uploaddir)
{
$block_html = '';
$block_html .= '<label for="radio_local_import_file">'
. sprintf(
__("Select from the web server upload directory <b>%s</b>:"),
htmlspecialchars(self::userDir($uploaddir))
)
. '</label>';
$extensions = '';
foreach ($import_list as $import_plugin) {
if (! empty($extensions)) {
$extensions .= '|';
}
$extensions .= $import_plugin->getProperties()->getExtension();
}
$matcher = '@\.(' . $extensions . ')(\.('
. FileListing::supportedDecompressions() . '))?$@';
$active = (isset($GLOBALS['timeout_passed']) && $GLOBALS['timeout_passed']
&& isset($GLOBALS['local_import_file']))
? $GLOBALS['local_import_file']
: '';
$files = FileListing::getFileSelectOptions(
self::userDir($uploaddir),
$matcher,
$active
);
if ($files === false) {
Message::error(
__('The directory you set for upload work cannot be reached.')
)->display();
} elseif (! empty($files)) {
$block_html .= "\n"
. ' <select style="margin: 5px" size="1" '
. 'name="local_import_file" '
. 'id="select_local_import_file">' . "\n"
. ' <option value=""> </option>' . "\n"
. $files
. ' </select>' . "\n";
} elseif (empty($files)) {
$block_html .= '<i>' . __('There are no files to upload!') . '</i>';
}
return $block_html;
}
/**
* Build titles and icons for action links
*
* @return array the action titles
*/
public static function buildActionTitles()
{
$titles = array();
$titles['Browse'] = self::getIcon('b_browse', __('Browse'));
$titles['NoBrowse'] = self::getIcon('bd_browse', __('Browse'));
$titles['Search'] = self::getIcon('b_select', __('Search'));
$titles['NoSearch'] = self::getIcon('bd_select', __('Search'));
$titles['Insert'] = self::getIcon('b_insrow', __('Insert'));
$titles['NoInsert'] = self::getIcon('bd_insrow', __('Insert'));
$titles['Structure'] = self::getIcon('b_props', __('Structure'));
$titles['Drop'] = self::getIcon('b_drop', __('Drop'));
$titles['NoDrop'] = self::getIcon('bd_drop', __('Drop'));
$titles['Empty'] = self::getIcon('b_empty', __('Empty'));
$titles['NoEmpty'] = self::getIcon('bd_empty', __('Empty'));
$titles['Edit'] = self::getIcon('b_edit', __('Edit'));
$titles['NoEdit'] = self::getIcon('bd_edit', __('Edit'));
$titles['Export'] = self::getIcon('b_export', __('Export'));
$titles['NoExport'] = self::getIcon('bd_export', __('Export'));
$titles['Execute'] = self::getIcon('b_nextpage', __('Execute'));
$titles['NoExecute'] = self::getIcon('bd_nextpage', __('Execute'));
// For Favorite/NoFavorite, we need icon only.
$titles['Favorite'] = self::getIcon('b_favorite', '');
$titles['NoFavorite']= self::getIcon('b_no_favorite', '');
return $titles;
}
/**
* 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) {
// NOTE: the SELECT tag in not included in this snippet.
$retval = '';
foreach ($GLOBALS['dbi']->types->getColumns() as $key => $value) {
if (is_array($value)) {
$retval .= "<optgroup label='" . htmlspecialchars($key) . "'>";
foreach ($value as $subvalue) {
if ($subvalue == $selected) {
$retval .= sprintf(
'<option selected="selected" title="%s">%s</option>',
$GLOBALS['dbi']->types->getTypeDescription($subvalue),
$subvalue
);
} elseif ($subvalue === '-') {
$retval .= '<option disabled="disabled">';
$retval .= $subvalue;
$retval .= '</option>';
} else {
$retval .= sprintf(
'<option title="%s">%s</option>',
$GLOBALS['dbi']->types->getTypeDescription($subvalue),
$subvalue
);
}
}
$retval .= '</optgroup>';
} else {
if ($selected == $value) {
$retval .= sprintf(
'<option selected="selected" title="%s">%s</option>',
$GLOBALS['dbi']->types->getTypeDescription($value),
$value
);
} else {
$retval .= sprintf(
'<option title="%s">%s</option>',
$GLOBALS['dbi']->types->getTypeDescription($value),
$value
);
}
}
}
} else {
$retval = array();
foreach ($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: tbl_change.php and libraries/db_routines.inc.php
*
* @return array list of datatypes
*/
public static function unsupportedDatatypes()
{
$no_support_types = array();
return $no_support_types;
}
/**
* 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)
{
$gis_data_types = array(
'geometry',
'point',
'linestring',
'polygon',
'multipoint',
'multilinestring',
'multipolygon',
'geometrycollection'
);
if ($upper_case) {
for ($i = 0, $nb = count($gis_data_types); $i < $nb; $i++) {
$gis_data_types[$i]
= mb_strtoupper($gis_data_types[$i]);
}
}
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
) {
$funcs = array();
if ($display) {
$funcs[] = array('display' => ' ');
}
// Unary functions common to all geometry types
$funcs['Dimension'] = array('params' => 1, 'type' => 'int');
$funcs['Envelope'] = array('params' => 1, 'type' => 'Polygon');
$funcs['GeometryType'] = array('params' => 1, 'type' => 'text');
$funcs['SRID'] = array('params' => 1, 'type' => 'int');
$funcs['IsEmpty'] = array('params' => 1, 'type' => 'int');
$funcs['IsSimple'] = array('params' => 1, 'type' => 'int');
$geom_type = trim(mb_strtolower($geom_type));
if ($display && $geom_type != 'geometry' && $geom_type != 'multipoint') {
$funcs[] = array('display' => '--------');
}
// Unary functions that are specific to each geometry type
if ($geom_type == 'point') {
$funcs['X'] = array('params' => 1, 'type' => 'float');
$funcs['Y'] = array('params' => 1, 'type' => 'float');
} elseif ($geom_type == 'multipoint') {
// no functions here
} elseif ($geom_type == 'linestring') {
$funcs['EndPoint'] = array('params' => 1, 'type' => 'point');
$funcs['GLength'] = array('params' => 1, 'type' => 'float');
$funcs['NumPoints'] = array('params' => 1, 'type' => 'int');
$funcs['StartPoint'] = array('params' => 1, 'type' => 'point');
$funcs['IsRing'] = array('params' => 1, 'type' => 'int');
} elseif ($geom_type == 'multilinestring') {
$funcs['GLength'] = array('params' => 1, 'type' => 'float');
$funcs['IsClosed'] = array('params' => 1, 'type' => 'int');
} elseif ($geom_type == 'polygon') {
$funcs['Area'] = array('params' => 1, 'type' => 'float');
$funcs['ExteriorRing'] = array('params' => 1, 'type' => 'linestring');
$funcs['NumInteriorRings'] = array('params' => 1, 'type' => 'int');
} elseif ($geom_type == 'multipolygon') {
$funcs['Area'] = array('params' => 1, 'type' => 'float');
$funcs['Centroid'] = array('params' => 1, 'type' => 'point');
// Not yet implemented in MySQL
//$funcs['PointOnSurface'] = array('params' => 1, 'type' => 'point');
} elseif ($geom_type == 'geometrycollection') {
$funcs['NumGeometries'] = array('params' => 1, 'type' => 'int');
}
// If we are asked for binary functions as well
if ($binary) {
// section separator
if ($display) {
$funcs[] = array('display' => '--------');
}
if ($GLOBALS['dbi']->getVersion() < 50601) {
$funcs['Crosses'] = array('params' => 2, 'type' => 'int');
$funcs['Contains'] = array('params' => 2, 'type' => 'int');
$funcs['Disjoint'] = array('params' => 2, 'type' => 'int');
$funcs['Equals'] = array('params' => 2, 'type' => 'int');
$funcs['Intersects'] = array('params' => 2, 'type' => 'int');
$funcs['Overlaps'] = array('params' => 2, 'type' => 'int');
$funcs['Touches'] = array('params' => 2, 'type' => 'int');
$funcs['Within'] = array('params' => 2, 'type' => 'int');
} else {
// If MySQl version is greater than or equal 5.6.1,
// use the ST_ prefix.
$funcs['ST_Crosses'] = array('params' => 2, 'type' => 'int');
$funcs['ST_Contains'] = array('params' => 2, 'type' => 'int');
$funcs['ST_Disjoint'] = array('params' => 2, 'type' => 'int');
$funcs['ST_Equals'] = array('params' => 2, 'type' => 'int');
$funcs['ST_Intersects'] = array('params' => 2, 'type' => 'int');
$funcs['ST_Overlaps'] = array('params' => 2, 'type' => 'int');
$funcs['ST_Touches'] = array('params' => 2, 'type' => 'int');
$funcs['ST_Within'] = array('params' => 2, 'type' => 'int');
}
if ($display) {
$funcs[] = array('display' => '--------');
}
// Minimum bounding rectangle functions
$funcs['MBRContains'] = array('params' => 2, 'type' => 'int');
$funcs['MBRDisjoint'] = array('params' => 2, 'type' => 'int');
$funcs['MBREquals'] = array('params' => 2, 'type' => 'int');
$funcs['MBRIntersects'] = array('params' => 2, 'type' => 'int');
$funcs['MBROverlaps'] = array('params' => 2, 'type' => 'int');
$funcs['MBRTouches'] = array('params' => 2, 'type' => 'int');
$funcs['MBRWithin'] = array('params' => 2, 'type' => 'int');
}
return $funcs;
}
/**
* Returns default function for a particular column.
*
* @param array $field Data about the column for which
* to generate the dropdown
* @param bool $insert_mode Whether the operation is 'insert'
*
* @global array $cfg PMA configuration
* @global mixed $data data of currently edited row
* (used to detect whether to choose defaults)
*
* @return string An HTML snippet of a dropdown list with function
* names appropriate for the requested column.
*/
public static function getDefaultFunctionForField(array $field, $insert_mode)
{
/*
* @todo Except for $cfg, no longer use globals but pass as parameters
* from higher levels
*/
global $cfg, $data;
$default_function = '';
// Can we get field class based values?
$current_class = $GLOBALS['dbi']->types->getTypeClass($field['True_Type']);
if (! empty($current_class)) {
if (isset($cfg['DefaultFunctions']['FUNC_' . $current_class])) {
$default_function
= $cfg['DefaultFunctions']['FUNC_' . $current_class];
}
}
// what function defined as default?
// for the first timestamp we don't set the default function
// if there is a default value for the timestamp
// (not including CURRENT_TIMESTAMP)
// and the column does not have the
// ON UPDATE DEFAULT TIMESTAMP attribute.
if (($field['True_Type'] == 'timestamp')
&& $field['first_timestamp']
&& empty($field['Default'])
&& empty($data)
&& $field['Extra'] != 'on update CURRENT_TIMESTAMP'
&& $field['Null'] == 'NO'
) {
$default_function = $cfg['DefaultFunctions']['first_timestamp'];
}
// For primary keys of type char(36) or varchar(36) UUID if the default
// function
// Only applies to insert mode, as it would silently trash data on updates.
if ($insert_mode
&& $field['Key'] == 'PRI'
&& ($field['Type'] == 'char(36)' || $field['Type'] == 'varchar(36)')
) {
$default_function = $cfg['DefaultFunctions']['FUNC_UUID'];
}
return $default_function;
}
/**
* Creates a dropdown box with MySQL functions for a particular column.
*
* @param array $field Data about the column for which
* to generate the dropdown
* @param bool $insert_mode Whether the operation is 'insert'
* @param array $foreignData Foreign data
*
* @return string An HTML snippet of a dropdown list with function
* names appropriate for the requested column.
*/
public static function getFunctionsForField(array $field, $insert_mode, array $foreignData)
{
$default_function = self::getDefaultFunctionForField($field, $insert_mode);
$dropdown_built = array();
// Create the output
$retval = '<option></option>' . "\n";
// loop on the dropdown array and print all available options for that
// field.
$functions = $GLOBALS['dbi']->types->getFunctions($field['True_Type']);
foreach ($functions as $function) {
$retval .= '<option';
if (isset($foreignData['foreign_link']) && $foreignData['foreign_link'] !== false && $default_function === $function) {
$retval .= ' selected="selected"';
}
$retval .= '>' . $function . '</option>' . "\n";
$dropdown_built[$function] = true;
}
// Create separator before all functions list
if (count($functions) > 0) {
$retval .= '<option value="" disabled="disabled">--------</option>'
. "\n";
}
// For compatibility's sake, do not let out all other functions. Instead
// print a separator (blank) and then show ALL functions which weren't
// shown yet.
$functions = $GLOBALS['dbi']->types->getAllFunctions();
foreach ($functions as $function) {
// Skip already included functions
if (isset($dropdown_built[$function])) {
continue;
}
$retval .= '<option';
if ($default_function === $function) {
$retval .= ' selected="selected"';
}
$retval .= '>' . $function . '</option>' . "\n";
} // end for
return $retval;
} // end getFunctionsForField()
/**
* Checks if the current user has a specific privilege and returns true if the
* user indeed has that privilege or false if (s)he doesn'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, $tbl = null)
{
// Get the username for the current user in the format
// required to use in the information schema database.
list($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(array('%', '_'), array('\%', '\_'), $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';
}
/**
* Returns information about SSL status for current connection
*
* @return string
*/
public static function getServerSSL()
{
$server = $GLOBALS['cfg']['Server'];
$class = 'caution';
if (! $server['ssl']) {
$message = __('SSL is not being used');
if (! empty($server['socket']) || $server['host'] == '127.0.0.1' || $server['host'] == 'localhost') {
$class = '';
}
} elseif (! $server['ssl_verify']) {
$message = __('SSL is used with disabled verification');
} elseif (empty($server['ssl_ca']) && empty($server['ssl_ca'])) {
$message = __('SSL is used without certification authority');
} else {
$class = '';
$message = __('SSL is used');
}
return '<span class="' . $class . '">' . $message . '</span> ' . self::showDocu('setup', 'ssl');
}
/**
* Prepare HTML code for display button.
*
* @return String
*/
public static function getButton()
{
return '<p class="print_ignore">'
. '<input type="button" class="button" id="print" value="'
. __('Print') . '" />'
. '</p>';
}
/**
* 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 = array();
$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)
{
$minimum_first_occurence_index = null;
$regex = null;
foreach ($regex_array as $test_regex) {
if (preg_match($test_regex, $query, $matches, PREG_OFFSET_CAPTURE)) {
if (is_null($minimum_first_occurence_index)
|| ($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 $level 'server', 'db' or 'table' level
*
* @return array list of tabs for the menu
*/
public static function getMenuTabList($level = null)
{
$tabList = array(
'server' => array(
'databases' => __('Databases'),
'sql' => __('SQL'),
'status' => __('Status'),
'rights' => __('Users'),
'export' => __('Export'),
'import' => __('Import'),
'settings' => __('Settings'),
'binlog' => __('Binary log'),
'replication' => __('Replication'),
'vars' => __('Variables'),
'charset' => __('Charsets'),
'plugins' => __('Plugins'),
'engine' => __('Engines')
),
'db' => array(
'structure' => __('Structure'),
'sql' => __('SQL'),
'search' => __('Search'),
'query' => __('Query'),
'export' => __('Export'),
'import' => __('Import'),
'operation' => __('Operations'),
'privileges' => __('Privileges'),
'routines' => __('Routines'),
'events' => __('Events'),
'triggers' => __('Triggers'),
'tracking' => __('Tracking'),
'designer' => __('Designer'),
'central_columns' => __('Central columns')
),
'table' => array(
'browse' => __('Browse'),
'structure' => __('Structure'),
'sql' => __('SQL'),
'search' => __('Search'),
'insert' => __('Insert'),
'export' => __('Export'),
'import' => __('Import'),
'privileges' => __('Privileges'),
'operation' => __('Operations'),
'tracking' => __('Tracking'),
'triggers' => __('Triggers'),
)
);
if ($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';
}
/**
* Renders a single link for the top of the navigation panel
*
* @param string $link The url for the link
* @param bool $showText Whether to show the text or to
* only use it for title attributes
* @param string $text The text to display and use for title attributes
* @param bool $showIcon Whether to show the icon
* @param string $icon The filename of the icon to show
* @param string $linkId Value to use for the ID attribute
* @param boolean $disableAjax Whether to disable ajax page loading for this link
* @param string $linkTarget The name of the target frame for the link
* @param array $classes HTML classes to apply
*
* @return string HTML code for one link
*/
public static function getNavigationLink(
$link,
$showText,
$text,
$showIcon,
$icon,
$linkId = '',
$disableAjax = false,
$linkTarget = '',
array $classes = array()
) {
$retval = '<a href="' . $link . '"';
if (! empty($linkId)) {
$retval .= ' id="' . $linkId . '"';
}
if (! empty($linkTarget)) {
$retval .= ' target="' . $linkTarget . '"';
}
if ($disableAjax) {
$classes[] = 'disableAjax';
}
if (!empty($classes)) {
$retval .= ' class="' . join(" ", $classes) . '"';
}
$retval .= ' title="' . $text . '">';
if ($showIcon) {
$retval .= self::getImage(
$icon,
$text
);
}
if ($showText) {
$retval .= $text;
}
$retval .= '</a>';
if ($showText) {
$retval .= '<br />';
}
return $retval;
}
/**
* 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 = array(); // will be use to emphasis prim. keys in the table
$indexes_info = array();
$indexes_data = array();
// view
foreach ($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']
= $row['Sub_part'];
}
} // end while
return array($primary, $pk_array, $indexes_info, $indexes_data);
}
/**
* Function to get html for the start row and number of rows panel
*
* @param string $sql_query sql query
*
* @return string html
*/
public static function getStartAndNumberOfRowsPanel($sql_query)
{
$pos = isset($_REQUEST['pos'])
? $_REQUEST['pos']
: $_SESSION['tmpval']['pos'];
if (isset($_REQUEST['session_max_rows'])) {
$rows = $_REQUEST['session_max_rows'];
} else {
if ($_SESSION['tmpval']['max_rows'] != 'all') {
$rows = $_SESSION['tmpval']['max_rows'];
} else {
$rows = $GLOBALS['cfg']['MaxRows'];
}
}
return Template::get('start_and_number_of_rows_panel')
->render(
array(
'pos' => $pos,
'unlim_num_rows' => intval($_REQUEST['unlim_num_rows']),
'rows' => $rows,
'sql_query' => $sql_query,
)
);
}
/**
* 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, array('MySQL', 'Percona Server')) && $serverVersion >= 50705
|| ($serverType == 'MariaDB' && $serverVersion >= 50200);
}
/**
* Returns the proper class clause according to the column type
*
* @param string $type the column type
*
* @return string $class_clause the HTML class clause
*/
public static function getClassForType($type)
{
if ('set' == $type
|| 'enum' == $type
) {
$class_clause = '';
} else {
$class_clause = ' class="nowrap"';
}
return $class_clause;
}
/**
* Gets the list of tables in the current db and information about these
* tables if possible
*
* @param string $db database name
* @param string $sub_part part of script name
*
* @return array
*
*/
public static function getDbInfo($db, $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 = array();
$tooltip_truename = array();
$tooltip_aliasname = array();
// Special speedup for newer MySQL Versions (in 4.0 format changed)
if (true === $cfg['SkipLockedTables']) {
$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'])) {
$sortable_name_mappings = array(
'table' => 'Name',
'records' => 'Rows',
'type' => 'Engine',
'collation' => 'Collation',
'size' => 'Data_length',
'overhead' => 'Data_free',
'creation' => 'Create_time',
'last_update' => 'Update_time',
'last_check' => 'Check_time',
'comment' => 'Comment',
);
// Make sure the sort type is implemented
if (isset($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;
$groupTable = array();
if (! empty($_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') {
// (don't fetch only a subset if we are coming from
// db_export.php, because I think it's too risky to display only
// a subset of the table names when exporting a db)
/**
*
* @todo Page selector for table names?
*/
} else {
// 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 array(
$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 $tables list of tables
*
*/
public static function getTablesWhenOpen($db, $db_info_result)
{
$sot_cache = $tables = array();
while ($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 (isset($sot_cache)) {
$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'], array('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) {
$names = array();
while ($tmp = $GLOBALS['dbi']->fetchRow($db_info_result)) {
if (! isset($sot_cache[$tmp[0]])) {
$names[] = $tmp[0];
} else { // table in use
$tables[$tmp[0]] = array(
'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 = array();
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 integer $length Length of string
* @param bool $asHex (optional) Send the result as hex
*
* @return string
*/
public static function generateRandom($length, $asHex = false)
{
$result = '';
if (class_exists('phpseclib\\Crypt\\Random')) {
$random_func = array('phpseclib\\Crypt\\Random', '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($format);
}
/**
* Wrapper around php's set_time_limit
*
* @return void
*/
public static function setTimeLimit()
{
// The function can be disabled in php.ini
if (function_exists('set_time_limit')) {
@set_time_limit($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 = array();
$orderLinkParams['title'] = __('Sort');
// If this column was requested to be sorted.
if ($requestedSort == $sort) {
if ($requestedSortOrder == 'ASC') {
$futureSortOrder = 'DESC';
// current sort order is ASC
$orderImg = ' ' . self::getImage(
's_asc',
__('Ascending'),
array('class' => 'sort_arrow', 'title' => '')
);
$orderImg .= ' ' . self::getImage(
's_desc',
__('Descending'),
array('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 = ' ' . self::getImage(
's_asc',
__('Ascending'),
array('class' => 'sort_arrow hide', 'title' => '')
);
$orderImg .= ' ' . self::getImage(
's_desc',
__('Descending'),
array('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 = array(
'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'], array('view', 'table'))) {
$urlParams['tbl_type'] = $_REQUEST['tbl_type'];
}
if (! empty($_REQUEST['tbl_group'])) {
$urlParams['tbl_group'] = $_REQUEST['tbl_group'];
}
$url = 'db_structure.php' . Url::getCommon($urlParams);
return self::linkOrButton($url, $title . $orderImg, $orderLinkParams);
}
/**
* Check that input is an int or an int in a string
*
* @param mixed $input
*
* @return bool
*/
public static function isInteger($input)
{
return (ctype_digit((string) $input));
}
}
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