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| Current File : /var/www/html/quanly/myadminx2/libraries/Util.class.php |
<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Hold the PMA_Util class
*
* @package PhpMyAdmin
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/**
* Misc functions used all over the scripts.
*
* @package PhpMyAdmin
*/
class PMA_Util
{
/**
* Detects which function to use for pow.
*
* @return string Function name.
*/
public static function detectPow()
{
if (function_exists('bcpow')) {
// BCMath Arbitrary Precision Mathematics Function
return 'bcpow';
} elseif (function_exists('gmp_pow')) {
// GMP Function
return 'gmp_pow';
} else {
// PHP function
return 'pow';
}
}
/**
* Exponential expression / raise number into power
*
* @param string $base base to raise
* @param string $exp exponent to use
* @param mixed $use_function pow function to use, or false for auto-detect
*
* @return mixed string or float
*/
public static function pow($base, $exp, $use_function = false)
{
static $pow_function = null;
if ($pow_function == null) {
$pow_function = self::detectPow();
}
if (! $use_function) {
if ($exp < 0) {
$use_function = 'pow';
} else {
$use_function = $pow_function;
}
}
if (($exp < 0) && ($use_function != 'pow')) {
return false;
}
switch ($use_function) {
case 'bcpow' :
// bcscale() needed for testing pow() with base values < 1
bcscale(10);
$pow = bcpow($base, $exp);
break;
case 'gmp_pow' :
$pow = gmp_strval(gmp_pow($base, $exp));
break;
case 'pow' :
$base = (float) $base;
$exp = (int) $exp;
$pow = pow($base, $exp);
break;
default:
$pow = $use_function($base, $exp);
}
return $pow;
}
/**
* 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 (in_array(
$GLOBALS['cfg'][$control_param],
array('icons', 'both')
)
) {
$include_icon = true;
}
if ($force_text
|| in_array(
$GLOBALS['cfg'][$control_param],
array('text', 'both')
)
) {
$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,
* which may be an actual file or an icon from a sprite
*
* @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 = '', $attributes = array())
{
static $sprites; // cached list of available sprites (if any)
if (defined('TESTSUITE')) {
// prevent caching in testsuite
unset($sprites);
}
$url = '';
$is_sprite = false;
$alternate = htmlspecialchars($alternate);
// If it's the first time this function is called
if (! isset($sprites)) {
// Try to load the list of sprites
if (is_readable($_SESSION['PMA_Theme']->getPath() . '/sprites.lib.php')) {
include_once $_SESSION['PMA_Theme']->getPath() . '/sprites.lib.php';
$sprites = PMA_sprites();
} else {
// No sprites are available for this theme
$sprites = array();
}
}
// Check if we have the requested image as a sprite
// and set $url accordingly
$class = str_replace(array('.gif','.png'), '', $image);
if (array_key_exists($class, $sprites)) {
$is_sprite = true;
$url = (defined('PMA_TEST_THEME') ? '../' : '') . 'themes/dot.gif';
} else {
$url = $GLOBALS['pmaThemeImage'] . $image;
}
// set class attribute
if ($is_sprite) {
if (isset($attributes['class'])) {
$attributes['class'] = "icon ic_$class " . $attributes['class'];
} else {
$attributes['class'] = "icon ic_$class";
}
}
// 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="%s" title="%s" alt="%s"%s />';
$retval = sprintf($template, $url, $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 so a value containing them can
* be used in a sql comparison.
*
* @param string $a_string the string to slash
* @param bool $is_like whether the string will be used in a 'LIKE' clause
* (it then requires two more escaped sequences) or not
* @param bool $crlf whether to treat cr/lfs as escape-worthy entities
* (converts \n to \\n, \r to \\r)
* @param bool $php_code whether this function is used as part of the
* "Create PHP code" dialog
*
* @return string the slashed string
*
* @access public
*/
public static function sqlAddSlashes(
$a_string = '', $is_like = false, $crlf = false, $php_code = false
) {
if ($is_like) {
$a_string = str_replace('\\', '\\\\\\\\', $a_string);
} else {
$a_string = str_replace('\\', '\\\\', $a_string);
}
if ($crlf) {
$a_string = strtr(
$a_string,
array("\n" => '\n', "\r" => '\r', "\t" => '\t')
);
}
if ($php_code) {
$a_string = str_replace('\'', '\\\'', $a_string);
} else {
$a_string = str_replace('\'', '\'\'', $a_string);
}
return $a_string;
} // end of the 'sqlAddSlashes()' function
/**
* 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 $quote) {
if (substr($quoted_string, 0, 1) === $quote
&& substr($quoted_string, -1, 1) === $quote
) {
$unquoted_string = substr($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 mixed $parsed_sql pre-parsed SQL structure
* @param string $unparsed_sql raw SQL string
*
* @return string the formatted sql
*
* @global array the configuration array
* @global boolean whether the current statement is a multiple one or not
*
* @access public
* @todo move into PMA_Sql
*/
public static function formatSql($parsed_sql, $unparsed_sql = '')
{
global $cfg;
// Check that we actually have a valid set of parsed data
// well, not quite
// first check for the SQL parser having hit an error
if (PMA_SQP_isError()) {
return htmlspecialchars($parsed_sql['raw']);
}
// then check for an array
if (! is_array($parsed_sql)) {
// We don't so just return the input directly
// This is intended to be used for when the SQL Parser is turned off
$formatted_sql = "<pre>\n";
if (($cfg['SQP']['fmtType'] == 'none') && ($unparsed_sql != '')) {
$formatted_sql .= $unparsed_sql;
} else {
$formatted_sql .= $parsed_sql;
}
$formatted_sql .= "\n</pre>";
return $formatted_sql;
}
$formatted_sql = '';
switch ($cfg['SQP']['fmtType']) {
case 'none':
if ($unparsed_sql != '') {
$formatted_sql = '<span class="inner_sql"><pre>' . "\n"
. PMA_SQP_formatNone(array('raw' => $unparsed_sql)) . "\n"
. '</pre></span>';
} else {
$formatted_sql = PMA_SQP_formatNone($parsed_sql);
}
break;
case 'html':
$formatted_sql = PMA_SQP_formatHtml($parsed_sql, 'color');
break;
case 'text':
$formatted_sql = PMA_SQP_formatHtml($parsed_sql, 'text');
break;
default:
break;
} // end switch
return $formatted_sql;
} // end of the "formatSql()" function
/**
* Displays a link to the documentation as an icon
*
* @param string $link documentation link
* @param string $target optional link target
*
* @return string the html link
*
* @access public
*/
public static function showDocLink($link, $target = 'documentation')
{
return '<a href="' . $link . '" target="' . $target . '">'
. self::getImage('b_help.png', __('Documentation'))
. '</a>';
} // end of the 'showDocLink()' function
/**
* Displays a link to the official MySQL documentation
*
* @param string $chapter chapter of "HTML, one page per chapter" 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(
$chapter, $link, $big_icon = false, $anchor = '', $just_open = false
) {
global $cfg;
if (($cfg['MySQLManualType'] == 'none') || empty($cfg['MySQLManualBase'])) {
return '';
}
// Fixup for newly used names:
$chapter = str_replace('_', '-', strtolower($chapter));
$link = str_replace('_', '-', strtolower($link));
switch ($cfg['MySQLManualType']) {
case 'chapters':
if (empty($chapter)) {
$chapter = 'index';
}
if (empty($anchor)) {
$anchor = $link;
}
$url = $cfg['MySQLManualBase'] . '/' . $chapter . '.html#' . $anchor;
break;
case 'big':
if (empty($anchor)) {
$anchor = $link;
}
$url = $cfg['MySQLManualBase'] . '#' . $anchor;
break;
case 'searchable':
if (empty($link)) {
$link = 'index';
}
$url = $cfg['MySQLManualBase'] . '/' . $link . '.html';
if (! empty($anchor)) {
$url .= '#' . $anchor;
}
break;
case 'viewable':
default:
if (empty($link)) {
$link = 'index';
}
$mysql = '5.5';
$lang = 'en';
if (defined('PMA_MYSQL_INT_VERSION')) {
if (PMA_MYSQL_INT_VERSION >= 50600) {
$mysql = '5.6';
} else if (PMA_MYSQL_INT_VERSION >= 50500) {
$mysql = '5.5';
} else if (PMA_MYSQL_INT_VERSION >= 50100) {
$mysql = '5.1';
} else {
$mysql = '5.0';
}
}
$url = $cfg['MySQLManualBase']
. '/' . $mysql . '/' . $lang . '/' . $link . '.html';
if (! empty($anchor)) {
$url .= '#' . $anchor;
}
break;
}
$open_link = '<a href="' . PMA_linkURL($url) . '" target="mysql_doc">';
if ($just_open) {
return $open_link;
} elseif ($big_icon) {
return $open_link
. self::getImage('b_sqlhelp.png', __('Documentation')) . '</a>';
} else {
return self::showDocLink(PMA_linkURL($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 */
if (defined('TESTSUITE')) {
/* Provide consistent URL for testsuite */
return PMA_linkURL('http://docs.phpmyadmin.net/en/latest/' . $url);
} else if (file_exists('doc/html/index.html')) {
if (defined('PMA_SETUP')) {
return '../doc/html/' . $url;
} else {
return './doc/html/' . $url;
}
} else {
/* TODO: Should link to correct branch for released versions */
return PMA_linkURL('http://docs.phpmyadmin.net/en/latest/' . $url);
}
}
/**
* Displays a link to the phpMyAdmin documentation
*
* @param string $page Page in documentation
* @param string $anchor Optional anchor in page
*
* @return string the html link
*
* @access public
*/
public static function showDocu($page, $anchor = '')
{
return self::showDocLink(self::getDocuLink($page, $anchor));
} // 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)
{
$url = PMA_getPHPDocLink($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.png')
. '<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 $error_message the error message
* @param string $the_query the sql query that failed
* @param bool $is_modify_link whether to show a "modify" link or not
* @param string $back_url the "back" link url (full path is not required)
* @param bool $exit EXIT the page?
*
* @return mixed
*
* @global string the curent table
* @global string the current db
*
* @access public
*/
public static function mysqlDie(
$error_message = '', $the_query = '',
$is_modify_link = true, $back_url = '', $exit = true
) {
global $table, $db;
$error_msg = '';
if (! $error_message) {
$error_message = PMA_DBI_getError();
}
if (! $the_query && ! empty($GLOBALS['sql_query'])) {
$the_query = $GLOBALS['sql_query'];
}
// --- Added to solve bug #641765
if (! function_exists('PMA_SQP_isError') || PMA_SQP_isError()) {
$formatted_sql = htmlspecialchars($the_query);
} elseif (empty($the_query) || (trim($the_query) == '')) {
$formatted_sql = '';
} else {
if (strlen($the_query) > $GLOBALS['cfg']['MaxCharactersInDisplayedSQL']) {
$formatted_sql = htmlspecialchars(
substr(
$the_query, 0,
$GLOBALS['cfg']['MaxCharactersInDisplayedSQL']
)
)
. '[...]';
} else {
$formatted_sql = self::formatSql(
PMA_SQP_parse($the_query), $the_query
);
}
}
// ---
$error_msg .= "\n" . '<!-- PMA-SQL-ERROR -->' . "\n";
$error_msg .= ' <div class="error"><h1>' . __('Error')
. '</h1>' . "\n";
// if the config password is wrong, or the MySQL server does not
// respond, do not show the query that would reveal the
// username/password
if (! empty($the_query) && ! strstr($the_query, 'connect')) {
// --- Added to solve bug #641765
if (function_exists('PMA_SQP_isError') && PMA_SQP_isError()) {
$error_msg .= PMA_SQP_getErrorString() . "\n";
$error_msg .= '<br />' . "\n";
}
// ---
// modified to show the help on sql errors
$error_msg .= '<p><strong>' . __('SQL query') . ':</strong>' . "\n";
if (strstr(strtolower($formatted_sql), 'select')) {
// please show me help to the error on select
$error_msg .= self::showMySQLDocu('SQL-Syntax', 'SELECT');
}
if ($is_modify_link) {
$_url_params = array(
'sql_query' => $the_query,
'show_query' => 1,
);
if (strlen($table)) {
$_url_params['db'] = $db;
$_url_params['table'] = $table;
$doedit_goto = '<a href="tbl_sql.php'
. PMA_generate_common_url($_url_params) . '">';
} elseif (strlen($db)) {
$_url_params['db'] = $db;
$doedit_goto = '<a href="db_sql.php'
. PMA_generate_common_url($_url_params) . '">';
} else {
$doedit_goto = '<a href="server_sql.php'
. PMA_generate_common_url($_url_params) . '">';
}
$error_msg .= $doedit_goto
. self::getIcon('b_edit.png', __('Edit'))
. '</a>';
} // end if
$error_msg .= ' </p>' . "\n"
.'<p>' . "\n"
. $formatted_sql . "\n"
. '</p>' . "\n";
} // end if
if (! empty($error_message)) {
$error_message = preg_replace(
"@((\015\012)|(\015)|(\012)){3,}@",
"\n\n",
$error_message
);
}
// modified to show the help on error-returns
// (now error-messages-server)
$error_msg .= '<p>' . "\n"
. ' <strong>' . __('MySQL said: ') . '</strong>'
. self::showMySQLDocu('Error-messages-server', 'Error-messages-server')
. "\n"
. '</p>' . "\n";
// The error message will be displayed within a CODE segment.
// To preserve original formatting, but allow wordwrapping,
// we do a couple of replacements
// Replace all non-single blanks with their HTML-counterpart
$error_message = str_replace(' ', ' ', $error_message);
// Replace TAB-characters with their HTML-counterpart
$error_message = str_replace(
"\t", ' ', $error_message
);
// Replace linebreaks
$error_message = nl2br($error_message);
$error_msg .= '<code>' . "\n"
. $error_message . "\n"
. '</code><br />' . "\n";
$error_msg .= '</div>';
$_SESSION['Import_message']['message'] = $error_msg;
if ($exit) {
/**
* If in an Ajax request
* - avoid displaying a Back link
* - use PMA_Response() to transmit the message and exit
*/
if ($GLOBALS['is_ajax_request'] == true) {
$response = PMA_Response::getInstance();
$response->isSuccess(false);
$response->addJSON('message', $error_msg);
exit;
}
if (! empty($back_url)) {
if (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";
}
echo $error_msg;
exit;
} else {
return $error_msg;
}
} // end of the 'mysqlDie()' function
/**
* 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 = PMA_DBI_get_tables_full(
$db, false, false, null, $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 => $table) {
// check for correct row count
if ($table['Rows'] === null) {
// Do not check exact row count here,
// if row count is invalid possibly the table is defect
// and this would break left frame;
// but we can check row count if this is a view or the
// information_schema database
// since PMA_Table::countRecords() returns a limited row count
// in this case.
// set this because PMA_Table::countRecords() can use it
$tbl_is_view = $table['TABLE_TYPE'] == 'VIEW';
if ($tbl_is_view || PMA_is_system_schema($db)) {
$table['Rows'] = PMA_Table::countRecords(
$db,
$table['Name'],
false,
true
);
}
}
// in $group we save the reference to the place in $table_groups
// where to store the table info
if ($GLOBALS['cfg']['NavigationTreeEnableGrouping']
&& $sep && strstr($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] = $table;
unset($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) {
global $PMA_SQPdata_forbidden_word;
if (! in_array(strtoupper($a_name), $PMA_SQPdata_forbidden_word)) {
return $a_name;
}
}
// '0' is also empty for php :-(
if (strlen($a_name) && $a_name !== '*') {
return '`' . str_replace('`', '``', $a_name) . '`';
} else {
return $a_name;
}
} // end of the 'backquote()' function
/**
* Adds quotes on both sides of a database, table or field name.
* in compatibility mode
*
* 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 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) {
global $PMA_SQPdata_forbidden_word;
if (! in_array(strtoupper($a_name), $PMA_SQPdata_forbidden_word)) {
return $a_name;
}
}
// @todo add more compatibility cases (ORACLE for example)
switch ($compatibility) {
case 'MSSQL':
$quote = '"';
break;
default:
(isset($GLOBALS['sql_backquotes'])) ? $quote = "`" : $quote = '';
break;
}
// '0' is also empty for php :-(
if (strlen($a_name) && $a_name !== '*') {
return $quote . $a_name . $quote;
} else {
return $a_name;
}
} // end of the 'backquoteCompat()' function
/**
* Defines the <CR><LF> value depending on the user OS.
*
* @return string the <CR><LF> value to use
*
* @access public
*/
public static function whichCrlf()
{
// The 'PMA_USR_OS' constant is defined in "libraries/Config.class.php"
// Win case
if (PMA_USR_OS == 'Win') {
$the_crlf = "\r\n";
} else {
// Others
$the_crlf = "\n";
}
return $the_crlf;
} // end of the 'whichCrlf()' function
/**
* Prepare the message and the query
* usually the message is the result of the query executed
*
* @param string $message the message to display
* @param string $sql_query the query to display
* @param string $type the type (level) of the message
* @param boolean $is_view is this a message after a VIEW operation?
*
* @return string
*
* @access public
*/
public static function getMessage(
$message, $sql_query = null, $type = 'notice', $is_view = false
) {
global $cfg;
$retval = '';
if (null === $sql_query) {
if (! empty($GLOBALS['display_query'])) {
$sql_query = $GLOBALS['display_query'];
} elseif ($cfg['SQP']['fmtType'] == 'none'
&& ! empty($GLOBALS['unparsed_sql'])
) {
$sql_query = $GLOBALS['unparsed_sql'];
} elseif (! empty($GLOBALS['sql_query'])) {
$sql_query = $GLOBALS['sql_query'];
} else {
$sql_query = '';
}
}
if (isset($GLOBALS['using_bookmark_message'])) {
$retval .= $GLOBALS['using_bookmark_message']->getDisplay();
unset($GLOBALS['using_bookmark_message']);
}
// In an Ajax request, $GLOBALS['cell_align_left'] may not be defined. Hence,
// check for it's presence before using it
$retval .= '<div id="result_query"'
. ( isset($GLOBALS['cell_align_left'])
? ' style="text-align: ' . $GLOBALS['cell_align_left'] . '"'
: '' )
. '>' . "\n";
if ($message instanceof PMA_Message) {
if (isset($GLOBALS['special_message'])) {
$message->addMessage($GLOBALS['special_message']);
unset($GLOBALS['special_message']);
}
$retval .= $message->getDisplay();
} else {
$retval .= '<div class="' . $type . '">';
$retval .= PMA_sanitize($message);
if (isset($GLOBALS['special_message'])) {
$retval .= PMA_sanitize($GLOBALS['special_message']);
unset($GLOBALS['special_message']);
}
$retval .= '</div>';
}
if ($cfg['ShowSQL'] == true && ! empty($sql_query)) {
// Html format the query to be displayed
// If we want to show some sql code it is easiest to create it here
/* SQL-Parser-Analyzer */
if (! empty($GLOBALS['show_as_php'])) {
$new_line = '\\n"<br />' . "\n"
. ' . "';
$query_base = htmlspecialchars(addslashes($sql_query));
$query_base = preg_replace(
'/((\015\012)|(\015)|(\012))/', $new_line, $query_base
);
} else {
$query_base = $sql_query;
}
$query_too_big = false;
if (strlen($query_base) > $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;
$shortened_query_base = nl2br(
htmlspecialchars(
substr($sql_query, 0, $cfg['MaxCharactersInDisplayedSQL'])
. '[...]'
)
);
} elseif (! empty($GLOBALS['parsed_sql'])
&& $query_base == $GLOBALS['parsed_sql']['raw']) {
// (here, use "! empty" because when deleting a bookmark,
// $GLOBALS['parsed_sql'] is set but empty
$parsed_sql = $GLOBALS['parsed_sql'];
} else {
// Parse SQL if needed
$parsed_sql = PMA_SQP_parse($query_base);
}
// Analyze it
if (isset($parsed_sql) && ! PMA_SQP_isError()) {
$analyzed_display_query = PMA_SQP_analyze($parsed_sql);
// Same as below (append LIMIT), append the remembered ORDER BY
if ($GLOBALS['cfg']['RememberSorting']
&& isset($analyzed_display_query[0]['queryflags']['select_from'])
&& isset($GLOBALS['sql_order_to_append'])
) {
$query_base = $analyzed_display_query[0]['section_before_limit']
. "\n" . $GLOBALS['sql_order_to_append']
. $analyzed_display_query[0]['limit_clause'] . ' '
. $analyzed_display_query[0]['section_after_limit'];
// Need to reparse query
$parsed_sql = PMA_SQP_parse($query_base);
// update the $analyzed_display_query
$analyzed_display_query[0]['section_before_limit']
.= $GLOBALS['sql_order_to_append'];
$analyzed_display_query[0]['order_by_clause']
= $GLOBALS['sorted_col'];
}
// Here we append the LIMIT added for navigation, to
// enable its display. Adding it higher in the code
// to $sql_query would create a problem when
// using the Refresh or Edit links.
// Only append it on SELECTs.
/**
* @todo what would be the best to do when someone hits Refresh:
* use the current LIMITs ?
*/
if (isset($analyzed_display_query[0]['queryflags']['select_from'])
&& ! empty($GLOBALS['sql_limit_to_append'])
) {
$query_base = $analyzed_display_query[0]['section_before_limit']
. "\n" . $GLOBALS['sql_limit_to_append']
. $analyzed_display_query[0]['section_after_limit'];
// Need to reparse query
$parsed_sql = PMA_SQP_parse($query_base);
}
}
if (! empty($GLOBALS['show_as_php'])) {
$query_base = '$sql = "' . $query_base;
} elseif (! empty($GLOBALS['validatequery'])) {
try {
$query_base = PMA_validateSQL($query_base);
} catch (Exception $e) {
$retval .= PMA_Message::error(
__('Failed to connect to SQL validator!')
)->getDisplay();
}
} elseif (isset($parsed_sql)) {
$query_base = self::formatSql($parsed_sql, $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'])) {
$url_params['db'] = $GLOBALS['db'];
if (strlen($GLOBALS['table'])) {
$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 = '';
$is_select = false;
if (! empty($cfg['SQLQuery']['Explain']) && ! $query_too_big) {
$explain_params = $url_params;
// Detect if we are validating as well
// To preserve the validate uRL data
if (! empty($GLOBALS['validatequery'])) {
$explain_params['validatequery'] = 1;
}
if (preg_match('@^SELECT[[:space:]]+@i', $sql_query)) {
$explain_params['sql_query'] = 'EXPLAIN ' . $sql_query;
$_message = __('Explain SQL');
$is_select = true;
} elseif (
preg_match(
'@^EXPLAIN[[:space:]]+SELECT[[:space:]]+@i', $sql_query
)
) {
$explain_params['sql_query'] = substr($sql_query, 8);
$_message = __('Skip Explain SQL');
}
if (isset($explain_params['sql_query'])) {
$explain_link = 'import.php'
. PMA_generate_common_url($explain_params);
$explain_link = ' ['
. self::linkOrButton($explain_link, $_message) . ']';
}
} //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'])) {
if ($cfg['EditInWindow'] == true) {
$onclick = 'PMA_querywindow.focus(\''
. PMA_jsFormat($sql_query, false) . '\'); return false;';
} else {
$onclick = '';
}
$edit_link .= PMA_generate_common_url($url_params) . '#querybox';
$edit_link = ' ['
. self::linkOrButton(
$edit_link, __('Edit'),
array('onclick' => $onclick, 'class' => 'disableAjax')
)
. ']';
} 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) {
$php_params = $url_params;
if (! empty($GLOBALS['show_as_php'])) {
$_message = __('Without PHP Code');
} else {
$php_params['show_as_php'] = 1;
$_message = __('Create PHP Code');
}
$php_link = 'import.php' . PMA_generate_common_url($php_params);
$php_link = ' [' . self::linkOrButton($php_link, $_message) . ']';
if (isset($GLOBALS['show_as_php'])) {
$runquery_link = 'import.php'
. PMA_generate_common_url($url_params);
$php_link .= ' ['
. self::linkOrButton($runquery_link, __('Submit Query'))
. ']';
}
} 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)
) {
$refresh_link = 'import.php' . PMA_generate_common_url($url_params);
$refresh_link = ' ['
. self::linkOrButton($refresh_link, __('Refresh')) . ']';
} else {
$refresh_link = '';
} //refresh
if (! empty($cfg['SQLValidator']['use'])
&& ! empty($cfg['SQLQuery']['Validate'])
) {
$validate_params = $url_params;
if (! empty($GLOBALS['validatequery'])) {
$validate_message = __('Skip Validate SQL');
} else {
$validate_params['validatequery'] = 1;
$validate_message = __('Validate SQL');
}
$validate_link = 'import.php'
. PMA_generate_common_url($validate_params);
$validate_link = ' ['
. self::linkOrButton($validate_link, $validate_message) . ']';
} else {
$validate_link = '';
} //validator
if (! empty($GLOBALS['validatequery'])) {
$retval .= '<div class="sqlvalidate">';
} else {
$retval .= '<code class="sql">';
}
if ($query_too_big) {
$retval .= $shortened_query_base;
} else {
$retval .= $query_base;
}
//Clean up the end of the PHP
if (! empty($GLOBALS['show_as_php'])) {
$retval .= '";';
}
if (! empty($GLOBALS['validatequery'])) {
$retval .= '</div>';
} else {
$retval .= '</code>';
}
$retval .= '<div class="tools">';
// avoid displaying a Profiling checkbox that could
// be checked, which would reexecute an INSERT, for example
if (! empty($refresh_link)) {
$retval .= self::getProfilingForm($sql_query);
}
// if needed, generate an invisible form that contains controls for the
// Inline link; this way, the behavior of the Inline link does not
// depend on the profiling support or on the refresh link
if (empty($refresh_link) || !self::profilingSupported()) {
$retval .= '<form action="sql.php" method="post">';
$retval .= PMA_generate_common_hidden_inputs(
$GLOBALS['db'], $GLOBALS['table']
);
$retval .= '<input type="hidden" name="sql_query" value="'
. htmlspecialchars($sql_query) . '" />';
$retval .= '</form>';
}
// in the tools div, only display the Inline link when not in ajax
// mode because 1) it currently does not work and 2) we would
// have two similar mechanisms on the page for the same goal
if ($is_select || ($GLOBALS['is_ajax_request'] === false)
&& ! $query_too_big
) {
// see in js/functions.js the jQuery code attached to id inline_edit
// document.write conflicts with jQuery, hence used $().append()
$retval .= "<script type=\"text/javascript\">\n" .
"//<![CDATA[\n" .
"$('.tools form').last().after('[ <a href=\"#\" title=\"" .
PMA_escapeJsString(__('Inline edit of this query')) .
"\" class=\"inline_edit_sql\">" .
PMA_escapeJsString(_pgettext('Inline edit query', 'Inline')) .
"</a> ]');\n" .
"//]]>\n" .
"</script>";
}
$retval .= $edit_link . $explain_link . $php_link
. $refresh_link . $validate_link;
$retval .= '</div>';
}
$retval .= '</div>';
if ($GLOBALS['is_ajax_request'] === false) {
$retval .= '<br class="clearfloat" />';
}
return $retval;
} // end of the 'getMessage()' function
/**
* Verifies if current MySQL server supports profiling
*
* @access public
*
* @return boolean whether profiling is supported
*/
public static function profilingSupported()
{
if (!self::cacheExists('profiling_supported', true)) {
// 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 (defined('PMA_MYSQL_INT_VERSION')
&& (PMA_MYSQL_INT_VERSION >= 50037)
&& PMA_DBI_fetch_value("SHOW VARIABLES LIKE 'profiling'")
) {
self::cacheSet('profiling_supported', true, true);
} else {
self::cacheSet('profiling_supported', false, true);
}
}
return self::cacheGet('profiling_supported', true);
}
/**
* Returns HTML for the form with the Profiling checkbox
*
* @param string $sql_query sql query
*
* @return string HTML for the form with the Profiling checkbox
*
* @access public
*/
public static function getProfilingForm($sql_query)
{
$retval = '';
if (self::profilingSupported()) {
$retval .= '<form action="sql.php" method="post">' . "\n";
$retval .= PMA_generate_common_hidden_inputs(
$GLOBALS['db'], $GLOBALS['table']
);
$retval .= '<input type="hidden" name="sql_query" value="'
. htmlspecialchars($sql_query) . '" />' . "\n"
. '<input type="hidden" name="profiling_form" value="1" />' . "\n";
$retval .= self::getCheckbox(
'profiling', __('Profiling'), isset($_SESSION['profiling']), true
);
$retval .= ' </form>' . "\n";
}
return $retval;
}
/**
* Formats $value to byte view
*
* @param double $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 = self::pow(10, $comma);
$li = self::pow(10, $limes);
$unit = $byteUnits[0];
for ($d = 6, $ex = 15; $d >= 1; $d--, $ex-=3) {
if (isset($byteUnits[$d]) && ($value >= $li * self::pow(10, $ex))) {
// use 1024.0 to avoid integer overflow on 64-bit machines
$value = round($value / (self::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);
} 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
/**
* Changes thousands and decimal separators to locale specific values.
*
* @param string $value the value
*
* @return string
*/
public static function localizeNumber($value)
{
return str_replace(
array(',', '.'),
array(
/* l10n: Thousands separator */
__(','),
/* l10n: Decimal separator */
__('.'),
),
$value
);
}
/**
* Formats $value to the given length and appends SI prefixes
* with a $length of 0 no truncation occurs, number is only formated
* 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, $digits_right);
if (($originalValue != 0) && (floatval($value) == 0)) {
$value = ' <' . (1 / self::pow(10, $digits_right));
}
return self::localizeNumber($value);
}
// this units needs no translation, ISO
$units = array(
-8 => 'y',
-7 => 'z',
-6 => 'a',
-5 => 'f',
-4 => 'p',
-3 => 'n',
-2 => 'µ',
-1 => 'm',
0 => ' ',
1 => 'k',
2 => 'M',
3 => 'G',
4 => 'T',
5 => 'P',
6 => 'E',
7 => 'Z',
8 => 'Y'
);
// check for negative value to retain sign
if ($value < 0) {
$sign = '-';
$value = abs($value);
} else {
$sign = '';
}
$dh = self::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 / self::pow(1000, $d, 'pow'))+1);
if ($digits_left > $cur_digits) {
$d -= floor(($digits_left - $cur_digits)/3);
}
if ($d < 0 && $only_down) {
$d = 0;
}
$value = round($value / (self::pow(1000, $d, 'pow') / $dh)) /$dh;
$unit = $units[$d];
// If we dont want any zeros after the comma just add the thousand separator
if ($noTrailingZero) {
$value = self::localizeNumber(
preg_replace('/(?<=\d)(?=(\d{3})+(?!\d))/', ',', $value)
);
} else {
//number_format is not multibyte safe, str_replace is safe
$value = self::localizeNumber(number_format($value, $digits_right));
}
if ($originalValue != 0 && floatval($value) == 0) {
return ' <' . (1 / self::pow(10, $digits_right)) . ' ' . $unit;
}
return $sign . $value . ' ' . $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)) {
$return_value = substr($formatted_size, 0, -2) * self::pow(1024, 3);
} elseif (preg_match('/^[0-9]+MB$/', $formatted_size)) {
$return_value = substr($formatted_size, 0, -2) * self::pow(1024, 2);
} elseif (preg_match('/^[0-9]+K$/', $formatted_size)) {
$return_value = substr($formatted_size, 0, -1) * self::pow(1024, 1);
}
return $return_value;
}// end of the 'extractValueFromFormattedSize' function
/**
* Writes localised date
*
* @param string $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'));
$day_of_week = array(
/* l10n: Short week day name */
_pgettext('Short week day name', 'Sun'),
/* l10n: Short week day name */
__('Mon'),
/* l10n: Short week day name */
__('Tue'),
/* l10n: Short week day name */
__('Wed'),
/* l10n: Short week day name */
__('Thu'),
/* l10n: Short week day name */
__('Fri'),
/* l10n: Short week day name */
__('Sat'));
if ($format == '') {
/* l10n: See http://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],
$date
);
return strftime($date, $timestamp);
} // 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 $url_params tab specific URL parameters
*
* @return string html code for one tab, a link if valid otherwise a span
*
* @access public
*/
public static function getHtmlTab($tab, $url_params = array())
{
// default values
$defaults = array(
'text' => '',
'class' => '',
'active' => null,
'link' => '',
'sep' => '?',
'attr' => '',
'args' => '',
'warning' => '',
'fragment' => '',
'id' => '',
);
$tab = array_merge($defaults, $tab);
// determine additionnal style-class
if (empty($tab['class'])) {
if (! empty($tab['active'])
|| PMA_isValid($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'])) {
$tab['class'] = 'active';
}
}
// If there are any tab specific URL parameters, merge those with
// the general URL parameters
if (! empty($tab['url_params']) && is_array($tab['url_params'])) {
$url_params = array_merge($url_params, $tab['url_params']);
}
// build the link
if (! empty($tab['link'])) {
$tab['link'] = htmlentities($tab['link']);
$tab['link'] = $tab['link'] . PMA_generate_common_url($url_params);
if (! empty($tab['args'])) {
foreach ($tab['args'] as $param => $value) {
$tab['link'] .= PMA_get_arg_separator('html') . urlencode($param)
. '=' . urlencode($value);
}
}
}
if (! empty($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
$id_string = ( empty($tab['id']) ? '' : ' id="'.$tab['id'].'" ' );
$out = '<li' . ($tab['class'] == 'active' ? ' class="active"' : '') . '>';
if (! empty($tab['link'])) {
$out .= '<a class="tab' . htmlentities($tab['class']) . '"'
.$id_string
.' href="' . $tab['link'] . '" ' . $tab['attr'] . '>'
. $tab['text'] . '</a>';
} else {
$out .= '<span class="tab' . htmlentities($tab['class']) . '"'
. $id_string. '>' . $tab['text'] . '</span>';
}
$out .= '</li>';
return $out;
} // end of the 'getHtmlTab()' function
/**
* returns html-code for a tab navigation
*
* @param array $tabs one element per tab
* @param string $url_params additional URL parameters
* @param string $menu_id HTML id attribute for the menu container
* @param bool $resizable whether to add a "resizable" class
*
* @return string html-code for tab-navigation
*/
public static function getHtmlTabs($tabs, $url_params, $menu_id,
$resizable = false
) {
$class = '';
if ($resizable) {
$class = ' class="resizable-menu"';
}
$tab_navigation = '<div id="' . htmlentities($menu_id)
. 'container" class="menucontainer">'
.'<ul id="' . htmlentities($menu_id) . '" ' . $class . '>';
foreach ($tabs as $tab) {
$tab_navigation .= self::getHtmlTab($tab, $url_params);
}
$tab_navigation .=
'</ul>' . "\n"
.'<div class="clearfloat"></div>'
.'</div>' . "\n";
return $tab_navigation;
}
/**
* Displays a link, or a button if the link's URL is too large, to
* accommodate some browsers' limitations
*
* @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 boolean $new_form we set this to false when we are already in
* a form, to avoid generating nested forms
* @param boolean $strip_img whether to strip the image
* @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(),
$new_form = true, $strip_img = false, $target = ''
) {
$url_length = strlen($url);
// with this we should be able to catch case of image upload
// into a (MEDIUM) BLOB; not worth generating even a form for these
if ($url_length > $GLOBALS['cfg']['LinkLengthLimit'] * 100) {
return '';
}
if (! is_array($tag_params)) {
$tmp = $tag_params;
$tag_params = array();
if (! empty($tmp)) {
$tag_params['onclick'] = 'return confirmLink(this, \''
. PMA_escapeJsString($tmp) . '\')';
}
unset($tmp);
}
if (! empty($target)) {
$tag_params['target'] = htmlentities($target);
}
$tag_params_strings = array();
foreach ($tag_params as $par_name => $par_value) {
// htmlspecialchars() only on non javascript
$par_value = substr($par_name, 0, 2) == 'on'
? $par_value
: htmlspecialchars($par_value);
$tag_params_strings[] = $par_name . '="' . $par_value . '"';
}
$displayed_message = '';
// Add text if not already added
if (stristr($message, '<img')
&& (! $strip_img || ($GLOBALS['cfg']['ActionLinksMode'] == 'icons'))
&& (strip_tags($message) == $message)
) {
$displayed_message = '<span>'
. htmlspecialchars(
preg_replace('/^.*\salt="([^"]*)".*$/si', '\1', $message)
)
. '</span>';
}
// Suhosin: Check that each query parameter is not above maximum
$in_suhosin_limits = true;
if ($url_length <= $GLOBALS['cfg']['LinkLengthLimit']) {
if ($suhosin_get_MaxValueLength = ini_get('suhosin.get.max_value_length')) {
$query_parts = self::splitURLQuery($url);
foreach ($query_parts as $query_pair) {
list($eachvar, $eachval) = explode('=', $query_pair);
if (strlen($eachval) > $suhosin_get_MaxValueLength) {
$in_suhosin_limits = false;
break;
}
}
}
}
if (($url_length <= $GLOBALS['cfg']['LinkLengthLimit'])
&& $in_suhosin_limits
) {
// no whitespace within an <a> else Safari will make it part of the link
$ret = "\n" . '<a href="' . $url . '" '
. implode(' ', $tag_params_strings) . '>'
. $message . $displayed_message . '</a>' . "\n";
} else {
// no spaces (linebreaks) at all
// or after the hidden fields
// IE will display them all
// add class=link to submit button
if (empty($tag_params['class'])) {
$tag_params['class'] = 'link';
}
if (! isset($query_parts)) {
$query_parts = self::splitURLQuery($url);
}
$url_parts = parse_url($url);
if ($new_form) {
$ret = '<form action="' . $url_parts['path'] . '" class="link"'
. ' method="post"' . $target . ' style="display: inline;">';
$subname_open = '';
$subname_close = '';
$submit_link = '#';
} else {
$query_parts[] = 'redirect=' . $url_parts['path'];
if (empty($GLOBALS['subform_counter'])) {
$GLOBALS['subform_counter'] = 0;
}
$GLOBALS['subform_counter']++;
$ret = '';
$subname_open = 'subform[' . $GLOBALS['subform_counter'] . '][';
$subname_close = ']';
$submit_link = '#usesubform[' . $GLOBALS['subform_counter']
. ']=1';
}
foreach ($query_parts as $query_pair) {
list($eachvar, $eachval) = explode('=', $query_pair);
$ret .= '<input type="hidden" name="' . $subname_open . $eachvar
. $subname_close . '" value="'
. htmlspecialchars(urldecode($eachval)) . '" />';
} // end while
$ret .= "\n" . '<a href="' . $submit_link . '" class="formLinkSubmit" '
. implode(' ', $tag_params_strings) . '>'
. $message . ' ' . $displayed_message . '</a>' . "\n";
if ($new_form) {
$ret .= '</form>';
}
} // end if... else...
return $ret;
} // 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
$separator = PMA_get_arg_separator();
// on most places separator is still hard coded ...
if ($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);
return explode($separator, $url_parts['query']);
}
/**
* 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
);
}
/**
* Takes a string and outputs each character on a line for itself. Used
* mainly for horizontalflipped display mode.
* Takes care of special html-characters.
* Fulfills https://sourceforge.net/p/phpmyadmin/feature-requests/164/
*
* @param string $string The string
* @param string $Separator The Separator (defaults to "<br />\n")
*
* @access public
* @todo add a multibyte safe function PMA_STR_split()
*
* @return string The flipped string
*/
public static function flipstring($string, $Separator = "<br />\n")
{
$format_string = '';
$charbuff = false;
for ($i = 0, $str_len = strlen($string); $i < $str_len; $i++) {
$char = $string{$i};
$append = false;
if ($char == '&') {
$format_string .= $charbuff;
$charbuff = $char;
} elseif ($char == ';' && ! empty($charbuff)) {
$format_string .= $charbuff . $char;
$charbuff = false;
$append = true;
} elseif (! empty($charbuff)) {
$charbuff .= $char;
} else {
$format_string .= $char;
$append = true;
}
// do not add separator after the last character
if ($append && ($i != $str_len - 1)) {
$format_string .= $Separator;
}
}
return $format_string;
}
/**
* Function added to avoid path disclosures.
* Called by each script that needs parameters, it displays
* an error message and, by default, stops the execution.
*
* Not sure we could use a strMissingParameter message here,
* would have to check if the error message file is always available
*
* @param array $params The names of the parameters needed by the calling script
* @param bool $request Whether to include this list in checking for
* special params
*
* @return void
*
* @global string path to current script
* @global boolean flag whether any special variable was required
*
* @access public
*/
public static function checkParameters($params, $request = true)
{
global $checked_special;
if (! isset($checked_special)) {
$checked_special = false;
}
$reported_script_name = basename($GLOBALS['PMA_PHP_SELF']);
$found_error = false;
$error_message = '';
foreach ($params as $param) {
if ($request && ($param != 'db') && ($param != 'table')) {
$checked_special = true;
}
if (! isset($GLOBALS[$param])) {
$error_message .= $reported_script_name
. ': ' . __('Missing parameter:') . ' '
. $param
. self::showDocu('faq', 'faqmissingparameters')
. '<br />';
$found_error = true;
}
}
if ($found_error) {
PMA_fatalError($error_message, null, false);
}
} // 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
*
* @access public
*
* @return array the calculated condition and whether condition is unique
*/
public static function getUniqueCondition(
$handle, $fields_cnt, $fields_meta, $row, $force_unique = false
) {
$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) {
$condition = '';
$con_key = '';
$con_val = '';
$field_flags = PMA_DBI_field_flags($handle, $i);
$meta = $fields_meta[$i];
// do not use a column alias in a condition
if (! isset($meta->orgname) || ! strlen($meta->orgname)) {
$meta->orgname = $meta->name;
if (isset($GLOBALS['analyzed_sql'][0]['select_expr'])
&& is_array($GLOBALS['analyzed_sql'][0]['select_expr'])
) {
foreach (
$GLOBALS['analyzed_sql'][0]['select_expr'] as $select_expr
) {
// need (string) === (string)
// '' !== 0 but '' == 0
if ((string)$select_expr['alias'] === (string)$meta->name) {
$meta->orgname = $select_expr['column'];
break;
} // end if
} // end foreach
}
}
// Do not use a table alias in a condition.
// Test case is:
// select * from galerie x WHERE
//(select count(*) from galerie y where y.datum=x.datum)>1
//
// But orgtable is present only with mysqli extension so the
// fix is only for mysqli.
// Also, do not use the original table name if we are dealing with
// a view because this view might be updatable.
// (The isView() verification should not be costly in most cases
// because there is some caching in the function).
if (isset($meta->orgtable)
&& ($meta->table != $meta->orgtable)
&& ! PMA_Table::isView($GLOBALS['db'], $meta->table)
) {
$meta->table = $meta->orgtable;
}
// to fix the bug where float fields (primary or not)
// can't be matched because of the imprecision of
// floating comparison, use CONCAT
// (also, the syntax "CONCAT(field) IS NULL"
// that we need on the next "if" will work)
if ($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'))
// hexify only if this is a true not empty BLOB or a BINARY
&& stristr($field_flags, 'BINARY')
&& ! empty($row[$i])
) {
// do not waste memory building a too big condition
if (strlen($row[$i]) < 1000) {
// use a CAST if possible, to avoid problems
// if the field contains wildcard characters % or _
$con_val = '= CAST(0x' . bin2hex($row[$i]) . ' AS BINARY)';
} else if ($fields_cnt == 1) {
// when this blob is the only field present
// try settling with length comparison
$condition = ' CHAR_LENGTH(' . $con_key . ') ';
$con_val = ' = ' . strlen($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 (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 {
$con_val = '= \''
. self::sqlAddSlashes($row[$i], false, true) . '\'';
}
}
if ($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 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 $image_name name of 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, $image_name, $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";
}
/* Opera has trouble with <input type="image"> */
/* IE (before version 9) has trouble with <button> */
if (PMA_USR_BROWSER_AGENT == 'IE' && PMA_USR_BROWSER_VER < 9) {
return '<input type="image" name="' . $image_name
. '" class="' . $button_class
. '" value="' . htmlspecialchars($value)
. '" title="' . htmlspecialchars($text)
. '" src="' . $GLOBALS['pmaThemeImage']. $image . '" />'
. ($GLOBALS['cfg']['ActionLinksMode'] == 'both'
? ' ' . htmlspecialchars($text)
: '') . "\n";
} else {
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 ';
$gotopage .= ' 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
/**
* 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 array $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, $_url_params, $script, $frame, $max_count, $name = 'pos',
$classes = array()
) {
$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) {
if (in_array(
$GLOBALS['cfg']['TableNavigationLinksMode'],
array('icons', 'both')
)
) {
$caption1 = '<<';
$caption2 = ' < ';
$title1 = ' title="' . _pgettext('First page', 'Begin') . '"';
$title2 = ' title="'
. _pgettext('Previous page', 'Previous') . '"';
} else {
$caption1 = _pgettext('First page', 'Begin') . ' <<';
$caption2 = _pgettext('Previous page', 'Previous') . ' <';
$title1 = '';
$title2 = '';
} // end if... else...
$_url_params[$name] = 0;
$list_navigator_html .= '<a' . $class . $title1 . ' href="' . $script
. PMA_generate_common_url($_url_params) . '">' . $caption1
. '</a>';
$_url_params[$name] = $pos - $max_count;
$list_navigator_html .= '<a' . $class . $title2 . ' href="' . $script
. PMA_generate_common_url($_url_params) . '">' . $caption2
. '</a>';
}
$list_navigator_html .= '<form action="' . basename($script).
'" method="post">';
$list_navigator_html .= PMA_generate_common_hidden_inputs($_url_params);
$list_navigator_html .= self::pageselector(
$name,
$max_count,
floor(($pos + 1) / $max_count) + 1,
ceil($count / $max_count)
);
$list_navigator_html .= '</form>';
if ($pos + $max_count < $count) {
if (in_array(
$GLOBALS['cfg']['TableNavigationLinksMode'],
array('icons', 'both')
)
) {
$caption3 = ' > ';
$caption4 = '>>';
$title3 = ' title="' . _pgettext('Next page', 'Next') . '"';
$title4 = ' title="' . _pgettext('Last page', 'End') . '"';
} else {
$caption3 = '> ' . _pgettext('Next page', 'Next');
$caption4 = '>> ' . _pgettext('Last page', 'End');
$title3 = '';
$title4 = '';
} // end if... else...
$_url_params[$name] = $pos + $max_count;
$list_navigator_html .= '<a' . $class . $title3 . ' href="' . $script
. PMA_generate_common_url($_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="' . $script
. PMA_generate_common_url($_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 (substr($dir, -1) != '/') {
$dir .= '/';
}
return str_replace('%u', $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($database)) {
if (! strlen($GLOBALS['db'])) {
return '';
}
$database = $GLOBALS['db'];
} else {
$database = self::unescapeMysqlWildcards($database);
}
return '<a href="' . $GLOBALS['cfg']['DefaultTabDatabase'] . '?'
. PMA_generate_common_url($database) . '" title="'
. sprintf(
__('Jump to database "%s".'),
htmlspecialchars($database)
)
. '">' . htmlspecialchars($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 void
*/
public static function getExternalBug(
$functionality, $component, $minimum_version, $bugref
) {
$ext_but_html = '';
if (($component == 'mysql') && (PMA_MYSQL_INT_VERSION < $minimum_version)) {
$ext_but_html .= self::showHint(
sprintf(
__('The %s functionality is affected by a known bug, see %s'),
$functionality,
PMA_linkURL('http://bugs.mysql.com/') . $bugref
)
);
}
return $ext_but_html;
}
/**
* Returns a HTML checkbox
*
* @param string $html_field_name the checkbox HTML field
* @param string $label label for checkbox
* @param boolean $checked is it initially checked?
* @param boolean $onclick should it submit the form on click?
*
* @return string HTML for the checkbox
*/
public static function getCheckbox($html_field_name, $label, $checked, $onclick)
{
return '<input type="checkbox" name="' . $html_field_name . '" id="'
. $html_field_name . '"' . ($checked ? ' checked="checked"' : '')
. ($onclick ? ' class="autosubmit"' : '') . ' /><label for="'
. $html_field_name . '">' . $label . '</label>';
}
/**
* 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
*
* @return string set of html radio fiels
*/
public static function getRadioFields(
$html_field_name, $choices, $checked_choice = '',
$line_break = true, $escape_label = true, $class = ''
) {
$radio_html = '';
foreach ($choices as $choice_value => $choice_label) {
if (! empty($class)) {
$radio_html .= '<div class="' . $class . '">';
}
$html_field_id = $html_field_name . '_' . $choice_value;
$radio_html .= '<input type="radio" name="' . $html_field_name . '" id="'
. $html_field_id . '" value="'
. htmlspecialchars($choice_value) . '"';
if ($choice_value == $checked_choice) {
$radio_html .= ' checked="checked"';
}
$radio_html .= ' />' . "\n"
. '<label for="' . $html_field_id . '">'
. ($escape_label
? htmlspecialchars($choice_label)
: $choice_label)
. '</label>';
if ($line_break) {
$radio_html .= '<br />';
}
if (! empty($class)) {
$radio_html .= '</div>';
}
$radio_html .= "\n";
}
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 $id id of the select element; can be different in
* case the dropdown is present more than once
* on the page
*
* @return string html content
*
* @todo support titles
*/
public static function getDropdown($select_name, $choices, $active_choice, $id)
{
$result = '<select name="' . htmlspecialchars($select_name) . '" id="'
. htmlspecialchars($id) . '">';
foreach ($choices as $one_choice_value => $one_choice_label) {
$result .= '<option value="' . htmlspecialchars($one_choice_value) . '"';
if ($one_choice_value == $active_choice) {
$result .= ' selected="selected"';
}
$result .= '>' . htmlspecialchars($one_choice_label) . '</option>';
}
$result .= '</select>';
return $result;
}
/**
* 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 $message the message to show as a link
*
* @return string html div element
*
*/
public static function getDivForSliderEffect($id, $message)
{
if ($GLOBALS['cfg']['InitialSlidersState'] == 'disabled') {
return '<div id="' . $id . '">';
}
/**
* Bad hack on the next line. document.write() conflicts with jQuery,
* hence, opening the <div> with PHP itself instead of JavaScript.
*
* @todo find a better solution that uses $.append(), the recommended
* method maybe by using an additional param, the id of the div to
* append to
*/
return '<div id="' . $id . '"'
. (($GLOBALS['cfg']['InitialSlidersState'] == 'closed')
? ' style="display: none; overflow:auto;"'
: '')
. ' class="pma_auto_slider" title="' . htmlspecialchars($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 rte_footer.lib.php)
* @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, $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) {
$state = 'on';
} else if ($options[0]['selected'] == true) {
$state = 'off';
} else {
$state = 'on';
}
// Generate output
return "<!-- TOGGLE START -->\n"
. "<div class='wrapper toggleAjax hide'>\n"
. " <div class='toggleButton'>\n"
. " <div title='" . __('Click to toggle')
. "' class='container $state'>\n"
. " <img src='" . htmlspecialchars($GLOBALS['pmaThemeImage'])
. "toggle-" . htmlspecialchars($GLOBALS['text_dir']) . ".png'\n"
. " alt='' />\n"
. " <table class='nospacing nopadding'>\n"
. " <tbody>\n"
. " <tr>\n"
. " <td class='toggleOn'>\n"
. " <span class='hide'>$link_on</span>\n"
. " <div>"
. str_replace(' ', ' ', htmlspecialchars($options[1]['label']))
. "\n" . " </div>\n"
. " </td>\n"
. " <td><div> </div></td>\n"
. " <td class='toggleOff'>\n"
. " <span class='hide'>$link_off</span>\n"
. " <div>"
. str_replace(' ', ' ', htmlspecialchars($options[0]['label']))
. "\n" . " </div>\n"
. " </tr>\n"
. " </tbody>\n"
. " </table>\n"
. " <span class='hide callback'>"
. htmlspecialchars($callback) . "</span>\n"
. " <span class='hide text_direction'>"
. htmlspecialchars($GLOBALS['text_dir']) . "</span>\n"
. " </div>\n"
. " </div>\n"
. "</div>\n"
. "<!-- TOGGLE END -->";
} // end toggleButton()
/**
* Clears cache content which needs to be refreshed on user change.
*
* @return void
*/
public static function clearUserCache()
{
self::cacheUnset('is_superuser', true);
}
/**
* Verifies if something is cached in the session
*
* @param string $var variable name
* @param int|true $server server
*
* @return boolean
*/
public static function cacheExists($var, $server = 0)
{
if ($server === true) {
$server = $GLOBALS['server'];
}
return isset($_SESSION['cache']['server_' . $server][$var]);
}
/**
* Gets cached information from the session
*
* @param string $var varibale name
* @param int|true $server server
*
* @return mixed
*/
public static function cacheGet($var, $server = 0)
{
if ($server === true) {
$server = $GLOBALS['server'];
}
if (isset($_SESSION['cache']['server_' . $server][$var])) {
return $_SESSION['cache']['server_' . $server][$var];
} else {
return null;
}
}
/**
* Caches information in the session
*
* @param string $var variable name
* @param mixed $val value
* @param int|true $server server
*
* @return mixed
*/
public static function cacheSet($var, $val = null, $server = 0)
{
if ($server === true) {
$server = $GLOBALS['server'];
}
$_SESSION['cache']['server_' . $server][$var] = $val;
}
/**
* Removes cached information from the session
*
* @param string $var variable name
* @param int|true $server server
*
* @return void
*/
public static function cacheUnset($var, $server = 0)
{
if ($server === true) {
$server = $GLOBALS['server'];
}
unset($_SESSION['cache']['server_' . $server][$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
*
* @param numeric $value coming from a BIT field
* @param integer $length length
*
* @return string the printable value
*/
public static function printableBitValue($value, $length)
{
$printable = '';
for ($i = 0, $len_ceiled = ceil($length / 8); $i < $len_ceiled; $i++) {
$printable .= sprintf('%08d', decbin(ord(substr($value, $i, 1))));
}
$printable = substr($printable, -$length);
return $printable;
}
/**
* Verifies whether the value contains a non-printable character
*
* @param string $value value
*
* @return boolean
*/
public static function containsNonPrintableAscii($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 strtr($bit_default_value, array("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)
{
$first_bracket_pos = strpos($columnspec, '(');
if ($first_bracket_pos) {
$spec_in_brackets = chop(
substr(
$columnspec,
$first_bracket_pos + 1,
(strrpos($columnspec, ')') - $first_bracket_pos - 1)
)
);
// convert to lowercase just to be sure
$type = strtolower(chop(substr($columnspec, 0, $first_bracket_pos)));
} else {
$type = strtolower($columnspec);
$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 */
$printtype = strtolower($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 (strlen($printtype) > $GLOBALS['cfg']['LimitChars']) {
$displayed_type = '<abbr title="' . $printtype . '">';
$displayed_type .= substr($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;
} else {
return false;
}
}
/**
* Replaces some characters by a displayable equivalent
*
* @param string $content content
*
* @return string the content with characters replaced
*/
public static function replaceBinaryContents($content)
{
$result = str_replace("\x00", '\0', $content);
$result = str_replace("\x08", '\b', $result);
$result = str_replace("\x0a", '\n', $result);
$result = str_replace("\x0d", '\r', $result);
$result = str_replace("\x1a", '\Z', $result);
return $result;
}
/**
* Converts GIS data to Well Known Text format
*
* @param binary $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);
$wktsql = "SELECT ASTEXT(x'" . $hex . "')";
if ($includeSRID) {
$wktsql .= ", SRID(x'" . $hex . "')";
}
$wktresult = PMA_DBI_try_query($wktsql, null, PMA_DBI_QUERY_STORE);
$wktarr = PMA_DBI_fetch_row($wktresult, 0);
$wktval = $wktarr[0];
if ($includeSRID) {
$srid = $wktarr[1];
$wktval = "'" . $wktval . "'," . $srid;
}
@PMA_DBI_free_result($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)
{
$first_occurence = strpos($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['DefaultTabTable'] or $cfg['DefaultTabDatabase']
*
* @return array
*/
public static function getTitleForTarget($target)
{
$mapping = array(
// 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 $mapping[$target];
}
/**
* Formats user string, expanding @VARIABLES@, accepting strftime format
* string.
*
* @param string $string Text where to do expansion.
* @param function $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, $updates = array()
) {
/* Content */
$vars['http_host'] = PMA_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)) {
include_once $escape[2];
$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 (strpos($string, '@FIELDS@') !== false) {
$string = strtr($string, array('@FIELDS@' => '@COLUMNS@'));
}
/* Fetch columns list if required */
if (strpos($string, '@COLUMNS@') !== false) {
$columns_list = PMA_DBI_get_columns($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 $max_upload_size maximum upload size
*
* @return void
*/
public static function getBrowseUploadFileBlock($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">';
}
$block_html .= __("Browse your computer:") . '</label>'
. '<div id="upload_form_status" style="display: none;"></div>'
. '<div id="upload_form_status_info" style="display: none;"></div>'
. '<input type="file" name="import_file" id="input_import_file" />'
. self::getFormattedMaximumUploadSize($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 array $import_list array of import plugins
* @param string $uploaddir upload directory
*
* @return void
*/
public static function getSelectUploadFileBlock($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 = '@\.(' . $extensions . ')(\.('
. PMA_supportedDecompressions() . '))?$@';
$active = (isset($GLOBALS['timeout_passed']) && $GLOBALS['timeout_passed']
&& isset($local_import_file))
? $local_import_file
: '';
$files = PMA_getFileSelectOptions(
self::userDir($uploaddir),
$matcher,
$active
);
if ($files === false) {
PMA_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.png', __('Browse'));
$titles['NoBrowse'] = self::getIcon('bd_browse.png', __('Browse'));
$titles['Search'] = self::getIcon('b_select.png', __('Search'));
$titles['NoSearch'] = self::getIcon('bd_select.png', __('Search'));
$titles['Insert'] = self::getIcon('b_insrow.png', __('Insert'));
$titles['NoInsert'] = self::getIcon('bd_insrow.png', __('Insert'));
$titles['Structure'] = self::getIcon('b_props.png', __('Structure'));
$titles['Drop'] = self::getIcon('b_drop.png', __('Drop'));
$titles['NoDrop'] = self::getIcon('bd_drop.png', __('Drop'));
$titles['Empty'] = self::getIcon('b_empty.png', __('Empty'));
$titles['NoEmpty'] = self::getIcon('bd_empty.png', __('Empty'));
$titles['Edit'] = self::getIcon('b_edit.png', __('Edit'));
$titles['NoEdit'] = self::getIcon('bd_edit.png', __('Edit'));
$titles['Export'] = self::getIcon('b_export.png', __('Export'));
$titles['NoExport'] = self::getIcon('bd_export.png', __('Export'));
$titles['Execute'] = self::getIcon('b_nextpage.png', __('Execute'));
$titles['NoExecute'] = self::getIcon('bd_nextpage.png', __('Execute'));
return $titles;
}
/**
* This function processes the datatypes supported by the DB,
* as specified in PMA_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['PMA_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>',
$GLOBALS['PMA_Types']->getTypeDescription($subvalue),
$subvalue
);
} else if ($subvalue === '-') {
$retval .= '<option disabled="disabled">';
$retval .= $subvalue;
$retval .= '</option>';
} else {
$retval .= sprintf(
'<option title="%s">%s</option>',
$GLOBALS['PMA_Types']->getTypeDescription($subvalue),
$subvalue
);
}
}
$retval .= '</optgroup>';
} else {
if ($selected == $value) {
$retval .= sprintf(
'<option selected="selected" title="%s">%s</option>',
$GLOBALS['PMA_Types']->getTypeDescription($value),
$value
);
} else {
$retval .= sprintf(
'<option title="%s">%s</option>',
$GLOBALS['PMA_Types']->getTypeDescription($value),
$value
);
}
}
}
} else {
$retval = array();
foreach ($GLOBALS['PMA_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 $upper_case whether to return values in upper case
*
* @return array GIS data types
*/
public static function getGISDatatypes($upper_case = false)
{
$gis_data_types = array(
'geometry',
'point',
'linestring',
'polygon',
'multipoint',
'multilinestring',
'multipolygon',
'geometrycollection'
);
if ($upper_case) {
for ($i = 0; $i < count($gis_data_types); $i++) {
$gis_data_types[$i] = strtoupper($gis_data_types[$i]);
}
}
return $gis_data_types;
}
/**
* Generates GIS data based on the string passed.
*
* @param string $gis_string GIS string
*
* @return string GIS data enclosed in 'GeomFromText' function
*/
public static function createGISData($gis_string)
{
$gis_string = trim($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 . "')";
} else {
return $gis_string;
}
}
/**
* Returns the names and details of the functions
* that can be applied on geometry data typess.
*
* @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 typess.
*/
public static function getGISFunctions(
$geom_type = null, $binary = true, $display = false
) {
$funcs = array();
if ($display) {
$funcs[] = array('display' => ' ');
}
// Unary functions common to all geomety 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');
$geom_type = trim(strtolower($geom_type));
if ($display && $geom_type != 'geometry' && $geom_type != 'multipoint') {
$funcs[] = array('display' => '--------');
}
// Unary functions that are specific to each geomety type
if ($geom_type == 'point') {
$funcs['X'] = array('params' => 1, 'type' => 'float');
$funcs['Y'] = array('params' => 1, 'type' => 'float');
} elseif ($geom_type == 'multipoint') {
// no fucntions 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 (PMA_MYSQL_INT_VERSION < 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 greaeter 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 array $analyzed_sql Analyzed SQL query
* @global mixed $data data of currently edited row
* (used to detect whether to choose defaults)
*
* @return string An HTML snippet of a dropdown list with function
* names appropriate for the requested column.
*/
public static function getDefaultFunctionForField($field, $insert_mode)
{
global $cfg, $analyzed_sql, $data;
$default_function = '';
// Can we get field class based values?
$current_class = $GLOBALS['PMA_Types']->getTypeClass($field['True_Type']);
if (! empty($current_class)) {
if (isset($cfg['DefaultFunctions']['FUNC_' . $current_class])) {
$default_function
= $cfg['DefaultFunctions']['FUNC_' . $current_class];
}
}
$analyzed_sql_field_array = $analyzed_sql[0]['create_table_fields']
[$field['Field']];
// 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($data)
&& ! isset($analyzed_sql_field_array['on_update_current_timestamp'])
&& ($analyzed_sql_field_array['default_value'] != 'NULL')
) {
$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 = $cfg['DefaultFunctions']['FUNC_UUID'];
}
// this is set only when appropriate and is always true
if (isset($field['display_binary_as_hex'])) {
$default_function = 'UNHEX';
}
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 $insert_mode Whether the operation is 'insert'
*
* @return string An HTML snippet of a dropdown list with function
* names appropriate for the requested column.
*/
public static function getFunctionsForField($field, $insert_mode)
{
$default_function = self::getDefaultFunctionForField($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 = $GLOBALS['PMA_Types']->getFunctions($field['True_Type']);
foreach ($functions as $function) {
$retval .= '<option';
if ($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 = $GLOBALS['PMA_Types']->getAllFunctions();
foreach ($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.
$user = PMA_DBI_fetch_value("SELECT CURRENT_USER();");
if ($user === false) {
return false;
}
$user = explode('@', $user);
$username = "''";
$username .= str_replace("'", "''", $user[0]);
$username .= "''@''";
$username .= str_replace("'", "''", $user[1]);
$username .= "''";
// Prepage the query
$query = "SELECT `PRIVILEGE_TYPE` FROM `INFORMATION_SCHEMA`.`%s` "
. "WHERE GRANTEE='%s' AND PRIVILEGE_TYPE='%s'";
// Check global privileges first.
$user_privileges = PMA_DBI_fetch_value(
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) {
// need to escape wildcards in db and table names, see bug #3518484
$db = str_replace(array('%', '_'), array('\%', '\_'), $db);
$query .= " AND TABLE_SCHEMA='%s'";
$schema_privileges = PMA_DBI_fetch_value(
sprintf(
$query,
'SCHEMA_PRIVILEGES',
$username,
$priv,
self::sqlAddSlashes($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 = PMA_DBI_fetch_value(
sprintf(
$query,
'TABLE_PRIVILEGES',
$username,
$priv,
self::sqlAddSlashes($db),
self::sqlAddSlashes($tbl)
)
);
if ($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: Drizzle, MariaDB and MySQL (default)
*
* @return string
*/
public static function getServerType()
{
$server_type = 'MySQL';
if (PMA_DRIZZLE) {
$server_type = 'Drizzle';
} else if (stripos(PMA_MYSQL_STR_VERSION, 'mariadb') !== false) {
$server_type = 'MariaDB';
} else if (stripos(PMA_MYSQL_VERSION_COMMENT, 'percona') !== false) {
$server_type = 'Percona Server';
}
return $server_type;
}
/**
* Analyzes the limit clause and return the start and length attributes of it.
*
* @param string $limit_clause limit clause
*
* @return array Start and length attributes of the limit clause
*/
public static function analyzeLimitClause($limit_clause)
{
$start_and_length = explode(',', str_ireplace('LIMIT', '', $limit_clause));
$size = count($start_and_length);
if ($size == 1) {
return array(
'start' => '0',
'length' => trim($start_and_length[0])
);
} elseif ($size == 2) {
return array(
'start' => trim($start_and_length[0]),
'length' => trim($start_and_length[1])
);
}
}
/**
* Prepare HTML code for display button.
*
* @return void
*/
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 $escapeHtml Whether to escape html entitites
*
* @return array
*/
public static function parseEnumSetValues($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; $i<strlen($values_string); $i++) {
$curr = $values_string[$i];
$next = ($i == strlen($values_string)-1) ? '' : $values_string[$i+1];
if (! $in_string && $curr == "'") {
$in_string = true;
} else if (($in_string && $curr == "\\") && $next == "\\") {
$buffer .= "\";
$i++;
} else if (($in_string && $next == "'")
&& ($curr == "'" || $curr == "\\")
) {
$buffer .= "'";
$i++;
} else if ($in_string && $curr == "'") {
$in_string = false;
$values[] = $buffer;
$buffer = '';
} else if ($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 $values;
}
/**
* fills given tooltip arrays
*
* @param array &$tooltip_truename tooltip data
* @param array &$tooltip_aliasname tooltip data
* @param array $table tabledata
*
* @return void
*/
public static function fillTooltip(
&$tooltip_truename, &$tooltip_aliasname, $table
) {
if (strstr($table['Comment'], '; InnoDB free') === false) {
if (!strstr($table['Comment'], 'InnoDB free') === false) {
// here we have just InnoDB generated part
$table['Comment'] = '';
}
} else {
// remove InnoDB comment from end, just the minimal part
// (*? is non greedy)
$table['Comment'] = preg_replace(
'@; InnoDB free:.*?$@', '', $table['Comment']
);
}
// views have VIEW as comment so it's not a real comment put by a user
if ('VIEW' == $table['Comment']) {
$table['Comment'] = '';
}
if (empty($table['Comment'])) {
$table['Comment'] = $table['Name'];
} else {
// todo: why?
$table['Comment'] .= ' ';
}
$tooltip_truename[$table['Name']] = $table['Name'];
$tooltip_aliasname[$table['Name']] = $table['Comment'];
if (isset($table['Create_time']) && !empty($table['Create_time'])) {
$tooltip_aliasname[$table['Name']] .= ', ' . __('Creation')
. ': '
. PMA_Util::localisedDate(strtotime($table['Create_time']));
}
if (! empty($table['Update_time'])) {
$tooltip_aliasname[$table['Name']] .= ', ' . __('Last update')
. ': '
. PMA_Util::localisedDate(strtotime($table['Update_time']));
}
if (! empty($table['Check_time'])) {
$tooltip_aliasname[$table['Name']] .= ', ' . __('Last check')
. ': '
. PMA_Util::localisedDate(strtotime($table['Check_time']));
}
}
}
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