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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Various checks and message functions used on index page.
*
* @package PhpMyAdmin-Setup
*/
use PMA\libraries\VersionInformation;
if (!defined('PHPMYADMIN')) {
exit;
}
/**
* Initializes message list
*
* @return void
*/
function PMA_messagesBegin()
{
if (! isset($_SESSION['messages']) || !is_array($_SESSION['messages'])) {
$_SESSION['messages'] = array('error' => array(), 'notice' => array());
} else {
// reset message states
foreach ($_SESSION['messages'] as &$messages) {
foreach ($messages as &$msg) {
$msg['fresh'] = false;
$msg['active'] = false;
}
}
}
}
/**
* Adds a new message to message list
*
* @param string $type one of: notice, error
* @param string $msgId unique message identifier
* @param string $title language string id (in $str array)
* @param string $message message text
*
* @return void
*/
function PMA_messagesSet($type, $msgId, $title, $message)
{
$fresh = ! isset($_SESSION['messages'][$type][$msgId]);
$_SESSION['messages'][$type][$msgId] = array(
'fresh' => $fresh,
'active' => true,
'title' => $title,
'message' => $message);
}
/**
* Cleans up message list
*
* @return void
*/
function PMA_messagesEnd()
{
foreach ($_SESSION['messages'] as &$messages) {
$remove_ids = array();
foreach ($messages as $id => &$msg) {
if ($msg['active'] == false) {
$remove_ids[] = $id;
}
}
foreach ($remove_ids as $id) {
unset($messages[$id]);
}
}
}
/**
* Prints message list, must be called after PMA_messagesEnd()
*
* @return void
*/
function PMA_messagesShowHtml()
{
$old_ids = array();
foreach ($_SESSION['messages'] as $type => $messages) {
foreach ($messages as $id => $msg) {
echo '<div class="' , $type , '" id="' , $id , '">'
, '<h4>' , $msg['title'] , '</h4>'
, $msg['message'] , '</div>';
if (!$msg['fresh'] && $type != 'error') {
$old_ids[] = $id;
}
}
}
echo "\n" , '<script type="text/javascript">';
foreach ($old_ids as $id) {
echo "\nhiddenMessages.push('$id');";
}
echo "\n</script>\n";
}
/**
* Checks for newest phpMyAdmin version and sets result as a new notice
*
* @return void
*/
function PMA_versionCheck()
{
// version check messages should always be visible so let's make
// a unique message id each time we run it
$message_id = uniqid('version_check');
// Fetch data
$versionInformation = new VersionInformation();
$version_data = $versionInformation->getLatestVersion();
if (empty($version_data)) {
PMA_messagesSet(
'error',
$message_id,
__('Version check'),
__(
'Reading of version failed. '
. 'Maybe you\'re offline or the upgrade server does not respond.'
)
);
return;
}
$releases = $version_data->releases;
$latestCompatible = $versionInformation->getLatestCompatibleVersion($releases);
if ($latestCompatible != null) {
$version = $latestCompatible['version'];
$date = $latestCompatible['date'];
} else {
return;
}
$version_upstream = $versionInformation->versionToInt($version);
if ($version_upstream === false) {
PMA_messagesSet(
'error',
$message_id,
__('Version check'),
__('Got invalid version string from server')
);
return;
}
$version_local = $versionInformation->versionToInt(
$GLOBALS['PMA_Config']->get('PMA_VERSION')
);
if ($version_local === false) {
PMA_messagesSet(
'error',
$message_id,
__('Version check'),
__('Unparsable version string')
);
return;
}
if ($version_upstream > $version_local) {
$version = htmlspecialchars($version);
$date = htmlspecialchars($date);
PMA_messagesSet(
'notice',
$message_id,
__('Version check'),
sprintf(__('A newer version of phpMyAdmin is available and you should consider upgrading. The newest version is %s, released on %s.'), $version, $date)
);
} else {
if ($version_local % 100 == 0) {
PMA_messagesSet(
'notice',
$message_id,
__('Version check'),
PMA_sanitize(sprintf(__('You are using Git version, run [kbd]git pull[/kbd] :-)[br]The latest stable version is %s, released on %s.'), $version, $date))
);
} else {
PMA_messagesSet(
'notice',
$message_id,
__('Version check'),
__('No newer stable version is available')
);
}
}
}
/**
* Checks whether config file is readable/writable
*
* @param bool &$is_readable whether the file is readable
* @param bool &$is_writable whether the file is writable
* @param bool &$file_exists whether the file exists
*
* @return void
*/
function PMA_checkConfigRw(&$is_readable, &$is_writable, &$file_exists)
{
$file_path = $GLOBALS['ConfigFile']->getFilePath();
$file_dir = dirname($file_path);
$is_readable = true;
$is_writable = @is_dir($file_dir);
if (SETUP_DIR_WRITABLE) {
$is_writable = $is_writable && @is_writable($file_dir);
}
$file_exists = file_exists($file_path);
if ($file_exists) {
$is_readable = is_readable($file_path);
$is_writable = $is_writable && @is_writable($file_path);
}
}