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installer.class.php
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installer.class.php
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<?php
/**
* Class Installer
*/
class Installer
{
// Geeklog version
const GL_VERSION = '2.1.2';
// System requirements
const SUPPORTED_PHP_VER = '5.3.3';
const SUPPORTED_MYSQL_VER = '4.1.3';
// Default UI language
const DEFAULT_LANGUAGE = 'english';
// Default theme
const DEFAULT_THEME = 'denim';
// Database configuration file
const DB_CONFIG_FILE = 'db-config.php';
/**
* @var array
*/
private $env = array();
/**
* @var bool
*/
private $isMagicQuotes = false;
/**
* @var array
*/
private $LANG = array();
/**
* @var array
*/
private $upgradeMessages = array();
/**
* Replaces all newlines in a string with <br> or <br />,
* depending on the detected setting. Ported from "lib-common.php"
*
* @param string $string The string to modify
* @return string The modified string
*/
public static function nl2br($string)
{
$replace = '<br>';
$find = array("\r\n", "\n\r", "\r", "\n");
return str_replace($find, $replace, $string);
}
/**
* @return string
*/
public function getLanguage()
{
return $this->env['language'];
}
/**
* Returns the beginning HTML for the installer theme.
*
* @param string $mHeading Heading
* @return string Header HTML code
*/
public static function getHeader($mHeading)
{
global $LANG_CHARSET, $LANG_INSTALL, $LANG_DIRECTION;
return <<<HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="robots" content="noindex,nofollow">
<link rel="stylesheet" type="text/css" href="layout/style.css">
<script type="text/javascript">
function INST_selectMigrationType() {
var myType = document.migrate.migration_type.value;
var migrationSelect = document.getElementById("migration-select");
var migrationUpload = document.getElementById("migration-upload");
var migrationUploadWarning = document.getElementById("migration-upload-warning");
switch (myType) {
case "select":
migrationSelect.style.display = "inline";
migrationUpload.style.display = "none";
migrationUploadWarning.style.display = "none";
break;l
case "upload":
migrationSelect.style.display = "none";
migrationUpload.style.display = "inline";
migrationUploadWarning.style.display = "block";
break;
default:
migrationSelect.style.display = "none";
migrationUpload.style.display = "none";
migrationUploadWarning.style.display = "none";
break;
}
}
</script>
<title>{$LANG_INSTALL[0]}</title>
</head>
<body dir="{$LANG_DIRECTION}">
<div class="header-navigation-container">
<div class="header-navigation-line">
<a href="{$LANG_INSTALL[87]}" class="header-navigation">{$LANG_INSTALL[1]}</a>
</div>
</div>
<div class="header-logobg-container-inner">
<a class="header-logo" href="https://www.geeklog.net/">
<img src="layout/logo.png" width="151" height="56" alt="Geeklog">
</a>
<div class="header-slogan">{$LANG_INSTALL[2]}<br><br>
</div>
</div>
<div class="installation-container">
<div class="installation-body-container">
<h1 class="heading">{$mHeading}</h1>
HTML;
}
/**
* Return the ending HTML for the installer theme.
*
* @return string Footer HTML code
*/
public static function getFooter()
{
return <<<HTML
<br><br>
</div>
</div>
</body>
</html>
HTML;
}
/**
* Installer constructor.
*/
public function __construct()
{
global $LANG_BIGDUMP, $LANG_CHARSET, $LANG_DIRECTION, $LANG_ERROR, $LANG_HELP, $LANG_INSTALL,
$LANG_LABEL, $LANG_MIGRATE, $LANG_PLUGINS, $LANG_RESCUE, $LANG_SUCCESS;
// Set error reporting
if (is_callable('ini_set')) {
@ini_set('display_errors', '1');
}
error_reporting(-1);
// this is not ideal but will stop PHP 5.3.0ff from complaining ...
date_default_timezone_set(@date_default_timezone_get());
$this->isMagicQuotes = (bool) get_magic_quotes_gpc();
$this->env['mode'] = $this->get('mode', $this->post('mode', ''));
$this->env['step'] = intval($this->get('step', $this->post('step', 1)), 10);
$this->env['language_selector'] = '';
$language = $this->post('language', $this->get('language', self::DEFAULT_LANGUAGE));
// Include language file
if (!file_exists(PATH_INSTALL . 'language/' . $language . '.php')) {
$language = self::DEFAULT_LANGUAGE;
}
$this->env['language'] = $language;
require_once PATH_INSTALL . 'language/' . $language . '.php';
if (!isset($LANG_DIRECTION)) {
$LANG_DIRECTION = 'ltr';
}
if ($LANG_DIRECTION === 'rtl') {
$this->env['form_label_dir'] = 'form-label-right';
$this->env['perms_label_dir'] = 'perms-label-right';
} else {
$this->env['form_label_dir'] = 'form-label-left';
$this->env['perms_label_dir'] = 'perms-label-left';
}
/** @noinspection PhpUndefinedVariableInspection */
$this->env['LANG'] = $this->LANG = array(
'BIGDUMP' => $LANG_BIGDUMP,
'CHARSET' => $LANG_CHARSET,
'DIRECTION' => $LANG_DIRECTION,
'ERROR' => $LANG_ERROR,
'HELP' => $LANG_HELP,
'INSTALL' => $LANG_INSTALL,
'LABEL' => $LANG_LABEL,
'MIGRATE' => $LANG_MIGRATE,
'PLUGINS' => $LANG_PLUGINS,
'RESCUE' => $LANG_RESCUE,
'SUCCESS' => $LANG_SUCCESS,
);
// Check PHP version and exit the installer if the environment is too old
$this->checkPhpVersion();
// Check the size of an uploaded file
$this->checkUploadedFileSize();
}
/**
* Convert a string like '2m' to bytes
*
* @param string $val
* @return int
*/
private function toBytes($val)
{
$val = trim($val);
$last = strtolower(substr($val, -1));
$val = intval(substr($val, 0, -1), 10);
if ($last === 'g') {
$val *= 1024 * 1024 * 1024;
} elseif ($last === 'm') {
$val *= 1024 * 1024;
} elseif ($last === 'k') {
$val *= 1024;
}
return $val;
}
/**
* Nicely formats the alert messages
*
* @param string $message Message string
* @param string $type 'error', 'warning', 'success', or 'notice'
* @return string HTML formatted dialog message
*/
public function getAlertMessage($message, $type = 'notice')
{
$style = ($type === 'success') ? 'success' : 'error';
switch (strtolower($type)) {
case 'error':
$type = $this->LANG['INSTALL'][38];
break;
case 'warning':
$type = $this->LANG['INSTALL'][20];
break;
case 'success':
$type = $this->LANG['INSTALL'][93];
break;
default:
$type = $this->LANG['INSTALL'][59];
break;
}
return '<div class="notice"><span class="' . $style . '">' . $type . ':</span> '
. $message . '</div>' . PHP_EOL;
}
/**
* Check if an uploaded file exceeds PHP's post_max_size and, if so, exit the installer
*/
private function checkUploadedFileSize()
{
$contentLength = $this->server('CONTENT_LENGTH', 0);
if ($contentLength > 0) {
$postMaxSize = @ini_get('post_max_size');
$postMaxSize = $this->toBytes($postMaxSize);
if ($postMaxSize && ($contentLength > $postMaxSize)) {
// If size exceeds, display an error message
$template = $this->getTemplateObject();
$content = '<h1 class="heading">' . $this->LANG['ERROR'][8] . '</h1>' . PHP_EOL
. $this->getAlertMessage($this->LANG['ERROR'][7]);
$template->set('content', $content);
$template->display('index');
die(1);
}
}
}
/**
* Check if any message for upgrades, exit the installer
*
* @param string $version
* @return string
*/
private function checkUpgradeMessage($version)
{
$retval = '';
if ($this->doDatabaseUpgrades($version, true) && !empty($this->upgradeMessages)) {
$prompt = 'information';
$retval = '<h1 class="heading">' . $this->LANG['ERROR'][14] . '</h1>' . PHP_EOL; // Upgrade Notice
foreach ($this->upgradeMessages as $version => $message) {
$retval .= '<h2>' . $this->LANG['INSTALL'][111] . ' ' . $version . '</h2>' . PHP_EOL;
foreach ($message as $type => $message_id) {
$retval .= $this->getAlertMessage($this->LANG['ERROR'][$message_id], $type);
// record what type of prompt we need
if ($type === 'information' || $type === 'warning' || $type === 'error') {
if ($prompt !== 'error') {
if ($prompt == 'information') {
$prompt = $type;
}
}
}
}
}
// Add prompt
if ($prompt === 'error') {
$retval .= MicroTemplate::quick(PATH_LAYOUT, 'upgrade_prompt_error', $this->env);
} else {
$retval .= MicroTemplate::quick(PATH_LAYOUT, 'upgrade_prompt_warning', $this->env); }
}
return $retval;
}
/**
* Return a request variable undoing magic_quotes
*
* @param array|string $var
* @return array|string
*/
private function processRequestVar($var)
{
if (is_array($var)) {
return array_map(array($this, 'processRequestVar'), $var);
} else {
return $this->isMagicQuotes ? stripslashes($var) : $var;
}
}
/**
* Return a $_GET variable
*
* @param string $name
* @param array|string $defaultValue
* @return array|null|string
*/
public function get($name, $defaultValue = null)
{
return array_key_exists($name, $_GET) ? $this->processRequestVar($_GET[$name]) : $defaultValue;
}
/**
* Return a $_POST variable
*
* @param string $name
* @param array|string $defaultValue
* @return array|null|string
*/
public function post($name, $defaultValue = null)
{
return array_key_exists($name, $_POST) ? $this->processRequestVar($_POST[$name]) : $defaultValue;
}
/**
* Return a $_REQUEST variable
*
* @param string $name
* @param array|string $defaultValue
* @return array|null|string
*/
public function request($name, $defaultValue = null)
{
return array_key_exists($name, $_REQUEST) ? $this->processRequestVar($_REQUEST[$name]) : $defaultValue;
}
/**
* Return a $_SERVER variable
*
* @param string $name
* @param array|string $defaultValue
* @return array|null|string
*/
private function server($name, $defaultValue = null)
{
return array_key_exists($name, $_SERVER) ? $_SERVER[$name] : $defaultValue;
}
/**
* Return a template object with basic template variables set
*
* @return MicroTemplate
*/
private function getTemplateObject()
{
$retval = new MicroTemplate(PATH_LAYOUT);
$retval->set($this->env);
return $retval;
}
/**
* Check PHP version and exit if the environment is too pld
*/
public function checkPhpVersion()
{
if (version_compare(PHP_VERSION, self::SUPPORTED_PHP_VER) >= 0) {
return;
}
$content = '<h1>' . $this->LANG['INSTALL'][3] . '</h1>' . PHP_EOL
. '<p>' . sprintf($this->LANG['INSTALL'][5], '<strong>' . self::SUPPORTED_PHP_VER . '</strong>')
. '<strong>' . PHP_VERSION . '</strong>' . $this->LANG['INSTALL'][6] . '</p>' . PHP_EOL;
$template = $this->getTemplateObject();
$template->set('content', $content);
$template->display('index');
die(1);
}
/**
* Make a nice display name from the language filename
*
* @param string $filename filename without the extension
* @return string language name to display to the user
*/
private function prettifyLanguageName($filename)
{
$filename = str_replace('_utf-8', '', $filename);
$underscore = strpos($filename, '_');
if ($underscore === false) {
$langName = ucfirst($filename);
} else {
$langName = ucfirst(substr($filename, 0, $underscore));
$langAdd = substr($filename, $underscore + 1);
$langAdd = str_replace('utf-8', '', $langAdd);
$langAdd = str_replace('_', ', ', $langAdd);
$word = explode(' ', $langAdd);
$langAdd = '';
foreach ($word as $w) {
if (preg_match('/[0-9]+/', $w)) {
$langAdd .= strtoupper($w) . ' ';
} else {
$langAdd .= ucfirst($w) . ' ';
}
}
$langName .= ' (' . trim($langAdd) . ')';
}
return $langName;
}
/**
* Return a UI language selector
*
* @return string
*/
private function getLanguageSelector()
{
$env = $this->env;
$env['hidden_items'] = array();
$env['languages'] = array();
if (!empty($this->env['mode'])) {
$env['hidden_items'][] = array('name' => 'mode', 'value' => $this->env['mode']);
}
$paths = array('dbconfig', 'public_html');
foreach ($paths as $path) {
$name = $path . '_path';
$value = $this->get($name, $this->post($name));
if (!empty($value)) {
$value = $this->sanitizePath($value);
$env['hidden_items'][] = array(
'name' => $name,
'value' => $value,
);
}
}
foreach (glob(PATH_INSTALL . 'language/*.php') as $filename) {
$filename = basename($filename);
$filename = str_replace('.php', '', $filename);
$env['languages'][] = array(
'value' => $filename,
'selected' => (($filename === $this->env['language']) ? ' selected="selected"' : ''),
'text' => $this->prettifyLanguageName($filename),
);
}
return MicroTemplate::quick(PATH_LAYOUT, 'language_selector', $env);
}
/**
* Helper function: Derive 'path_html' from __FILE__
*
* @return string
*/
public function getHtmlPath()
{
$path = str_replace('\\', '/', BASE_FILE);
$path = str_replace('//', '/', $path);
$parts = explode('/', $path);
$numParts = count($parts);
if (($numParts < 3) || ($parts[$numParts - 1] !== basename(BASE_FILE))) {
die('Fatal error - cannot figure out my own path');
}
return implode('/', array_slice($parts, 0, $numParts - 3)) . '/';
}
/**
* Helper function: Derive path of the 'admin' directory from index.php
*
* @return string
*/
public function getAdminPath()
{
$path = str_replace('\\', '/', BASE_FILE);
$path = str_replace('//', '/', $path);
$parts = explode('/', $path);
$num_parts = count($parts);
if (($num_parts < 3) || ($parts[$num_parts - 1] !== 'index.php')) {
die('Fatal error - can not figure out my own path');
}
return implode('/', array_slice($parts, 0, $num_parts - 2)) . '/';
}
/**
* Filter path value for junk and injections
*
* @param string $path a path on the file system
* @return string filtered path value
*/
public function sanitizePath($path)
{
$path = strip_tags($path);
$path = str_replace(array('"', "'"), '', $path);
$path = str_replace('..', '', $path);
return $path;
}
/**
* Check the location of db-config.php. We'll base our /path/to/geeklog on its location
*
* @return string
*/
private function checkFileLocations()
{
$this->env['gl_path'] .= '/';
$this->env['dbconfig_path'] = '';
if (file_exists($this->env['gl_path'] . self::DB_CONFIG_FILE) ||
file_exists($this->env['gl_path'] . 'public_html/' . self::DB_CONFIG_FILE)
) {
// See whether the file/directory is located in the default place or in public_html
$this->env['dbconfig_path'] = file_exists($this->env['gl_path'] . self::DB_CONFIG_FILE)
? $this->env['gl_path'] . self::DB_CONFIG_FILE
: $this->env['gl_path'] . 'public_html/' . self::DB_CONFIG_FILE;
// If the script was able to locate all the system files/directories move onto the next step
header('Location: index.php?mode=check_permissions&dbconfig_path=' . urlencode($this->env['dbconfig_path']));
}
$this->env['base_file'] = str_replace('\\', '/', BASE_FILE);
$this->env['search_here'] = sprintf(
$this->LANG['INSTALL'][96],
'<code>' . self::DB_CONFIG_FILE . '</code>'
);
$retval = MicroTemplate::quick(PATH_LAYOUT, 'system_path', $this->env);
return $retval;
}
/**
* Write configuration values into siteconfig.php
*
* @return string
*/
private function writeSiteConfig()
{
$retval = '';
// Get the paths from the previous page
$paths = array(
'db-config.php' => $this->sanitizePath(urldecode($_REQUEST['dbconfig_path'])),
'public_html/' => $this->sanitizePath(urldecode($_REQUEST['public_html_path'])),
);
$this->env['dbconfig_path'] = str_replace(self::DB_CONFIG_FILE, '', $paths['db-config.php']);
// Edit siteconfig.php and enter the correct GL path and system directory path
clearstatcache();
$this->env['siteconfig_path'] = $paths['public_html/'] . 'siteconfig.php';
$siteConfigData = @file_get_contents($this->env['siteconfig_path']);
// $_CONF['path']
$_CONF = array();
require_once $this->env['siteconfig_path'];
$siteConfigData = str_replace(
"\$_CONF['path'] = '{$_CONF['path']}';",
"\$_CONF['path'] = '" . str_replace('db-config.php', '', $paths['db-config.php']) . "';",
$siteConfigData
);
if (@file_put_contents($this->env['siteconfig_path'], $siteConfigData) === false) {
exit($this->LANG['INSTALL'][26] . ' ' . $paths['public_html/'] . $this->LANG['INSTALL'][28]);
}
// Continue onto the install, upgrade, or migration
switch ($this->get('op')) {
case 'migrate':
header('Location: index.php?mode=migrate'
. '&dbconfig_path=' . urlencode($paths['db-config.php'])
. '&public_html_path=' . urlencode($paths['public_html/'])
. '&language=' . $this->env['language']);
break;
case $this->LANG['INSTALL'][24] || $this->LANG['INSTALL'][25]:
// install or upgrade
header('Location: index.php?mode=' . $_GET['op']
. '&dbconfig_path=' . urlencode($paths['db-config.php'])
. '&language=' . $this->env['language']
. '&display_step=' . $_REQUEST['display_step']);
break;
default:
$retval = '<p>' . $this->LANG['INSTALL'][100] . '</p>' . PHP_EOL;
break;
}
return $retval;
}
/**
* Check file and directory permissions
*
* @return string
*/
private function checkPermissions()
{
$retval = '';
// Get the paths from the previous page
$paths = array(
'db-config.php' => $this->sanitizePath(urldecode($this->get('dbconfig_path', $this->post('dbconfig_path', '')))),
'public_html/' => $this->getHtmlPath(),
);
// Be fault-tolerant with the path the user enters
if (strpos($paths['db-config.php'], self::DB_CONFIG_FILE) === false) {
$paths['db-config.php'] = rtrim($paths['db-config.php'], '/') . '/' . self::DB_CONFIG_FILE;
}
// The path to db-config.php is what we'll use to generate our /path/to/geeklog so
// we want to make sure it's valid and exists before we continue and create problems.
if (!file_exists($paths['db-config.php'])) {
$this->env['path_db_config'] = $paths['db-config.php'];
$retval = MicroTemplate::quick(PATH_LAYOUT, 'system_path_error', $this->env);
return $retval;
}
$_DB_dbms = '';
require_once $paths['db-config.php']; // We need db-config.php the current DB information
require_once $this->env['siteconfig_path']; // We need siteconfig.php for core $_CONF values.
$this->env['gl_path'] = str_replace(self::DB_CONFIG_FILE, '', $paths['db-config.php']);
// number of files with wrong permissions
$numWrong = 0;
$retval_permissions = '<p><label class="' . $this->env['perms_label_dir'] . '"><strong>'
. $this->LANG['INSTALL'][10] . '</strong></label> ' . PHP_EOL
. '<strong>' . $this->LANG['INSTALL'][11] . '</strong></p>' . PHP_EOL;
$chmodString = 'chmod -R 777 ';
// Files to check if writable
$fileList = array($paths['db-config.php'],
$this->env['gl_path'] . 'data/',
$this->env['gl_path'] . 'data/layout_cache/',
$this->env['gl_path'] . 'logs/error.log',
$paths['public_html/'] . 'siteconfig.php',
$paths['public_html/'] . 'backend/geeklog.rss',
$paths['public_html/'] . 'images/articles/',
$paths['public_html/'] . 'images/topics/',
$paths['public_html/'] . 'images/userphotos',
$paths['public_html/'] . 'filemanager/scripts/filemanager.config.json',
$paths['public_html/'] . 'images/library/File/',
$paths['public_html/'] . 'images/library/Flash/',
$paths['public_html/'] . 'images/library/Image/',
$paths['public_html/'] . 'images/library/Image/_thumbs/',
$paths['public_html/'] . 'images/library/Image/icons/',
$paths['public_html/'] . 'images/library/Media/',
$paths['public_html/'] . 'images/_thumbs/',
$paths['public_html/'] . 'images/_thumbs/articles/',
$paths['public_html/'] . 'images/_thumbs/library/Image/',
$paths['public_html/'] . 'images/_thumbs/userphotos/',
);
if ($_DB_dbms === 'mysql') {
array_splice($fileList, 1, 0, $this->env['gl_path'] . 'backups/');
}
$checkSelinux = false;
$cmdSelinux = '';
foreach ($fileList as $file) {
if (!is_writable($file)) {
$permShouldBe = is_file($file) ? '666' : '777';
$permission = sprintf("%3o", @fileperms($file) & 0777);
$checkPerm = 0;
for ($i = 0; $i < strlen($permission); $i++) {
if ($permission[$i] >= $permShouldBe[$i]) {
$checkPerm++;
}
}
if ($checkPerm >= 3) {
$checkSelinux = true;
$cmdSelinux .= $file . ' ';
}
$retval_permissions .= '<p class="clearboth">'
. '<label class="' . $this->env['perms_label_dir'] . '"><code>' . $file . '</code></label>' . PHP_EOL
. ' <span class="permissions-list">' . $this->LANG['INSTALL'][12] . ' ' . $permShouldBe . '</span> ('
. $this->LANG['INSTALL'][13] . ' ' . $permission . ')'
. '</p>' . PHP_EOL;
$chmodString .= $file . ' ';
$numWrong++;
}
}
$retval_step = 1;
// Display permissions, etc
if ($checkSelinux) {
$retval .= '<h1 class="heading">' . $this->LANG['INSTALL'][101] . ' ' . $retval_step . ' - ' . $this->LANG['INSTALL'][97] . '</h1>' . PHP_EOL
. $this->LANG['INSTALL'][110];
$cmd = 'chcon -Rt httpd_user_rw_content_t ' . $cmdSelinux;
$retval .= '<p class="codeblock"><code>' . $cmd . PHP_EOL
. '</code></p><br>' . PHP_EOL;
$retval_step++;
} elseif ($numWrong) {
// If any files have incorrect permissions
$retval .= '<h1 class="heading">' . $this->LANG['INSTALL'][101] . ' ' . $retval_step . ' - ' . $this->LANG['INSTALL'][97] . '</h1>' . PHP_EOL;
$retval_step++;
if ($this->get('install_type') !== null) {
// If the user tried to start an installation before setting file permissions
$retval .= '<p>'
. '<div class="notice">'
. '<span class="error">' . $this->LANG['INSTALL'][38] . '</span> '
. $this->LANG['INSTALL'][21]
. '</div>'
. '</p>' . PHP_EOL;
} else {
// The first page that is displayed during the "check_permissions" step
$retval .= '<p>' . $this->LANG['INSTALL'][9] . '</p>' . PHP_EOL
. '<p>' . $this->LANG['INSTALL'][19] . '</p>' . PHP_EOL;
}
// List the files that have incorrect permissions and also what the permissions should be
// Also, list the auto-generated chmod command for advanced users
$retval .= '<div class="file-permissions">' . PHP_EOL
. $retval_permissions . '</div>' . PHP_EOL
. '<h2 class="clearboth">' . $this->LANG['INSTALL'][98] . '</h2>' . PHP_EOL
. '<p>' . $this->LANG['INSTALL'][99] . '</p>' . PHP_EOL
. '<p class="codeblock"><code>' . $chmodString . PHP_EOL
. '</code></p><br>' . PHP_EOL;
$this->env['step']++;
} else {
// Set the install type if the user clicked one
$install_type = $this->request('install_type', null);
// Check if the user clicked one of the install, upgrade, or migrate buttons
if ($install_type !== null) {
// If they did, determine which method they selected
switch ($install_type) {
case $this->LANG['INSTALL'][16]:
$install_type = 'migrate';
break;
case $this->LANG['INSTALL'][24]:
$install_type = 'install';
break;
case $this->LANG['INSTALL'][25]:
$install_type = 'upgrade';
break;
}
// Go to the 'write_paths' step
$url = 'index.php?'
. http_build_query(array(
'mode' => 'write_paths',
'dbconfig_path' => $paths['db-config.php'],
'public_html_path' => $paths['public_html/'],
'language' => $this->env['language'],
'op' => $install_type,
'display_step' => $retval_step + 1,
)
);
header('Location: ' . $url);
}
}
// Show the "Select your installation method" buttons
$upgradeClass = ($this->LANG['DIRECTION'] === 'rtl') ? 'upgrade-rtl' : 'upgrade';
$this->env['dbconfig_path'] = $paths['db-config.php'];
$this->env['retval_step'] = $retval_step;
$this->env['display_step'] = $retval_step + 1;
$retval .= MicroTemplate::quick(PATH_LAYOUT, 'select_installation_method', $this->env);
return $retval;
}
/**
* Return if the current HTTP protocol is HTTPS
*
* @return bool
*/
private function isHttps()
{
if (isset($_SERVER['HTTPS']) === true) {
// Apache
return ($_SERVER['HTTPS'] === 'on') || ($_SERVER['HTTPS'] === '1');
} elseif (isset($_SERVER['SSL']) === true) {
// IIS
return ($_SERVER['SSL'] === 'on');
} elseif (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) === true) {
// Reverse proxy
return (strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) === 'https');
} elseif (isset($_SERVER['HTTP_X_FORWARDED_PORT']) === true) {
// Reverse proxy
return ($_SERVER['HTTP_X_FORWARDED_PORT'] === '443');
} elseif (isset($_SERVER['SERVER_PORT']) === true) {
return ($_SERVER['SERVER_PORT'] === '443');
}
return false;
}
/**
* Helper function: Derive 'site_url' from PHP_SELF
*
* @return string
*/
private function getSiteUrl()
{
$url = str_replace('//', '/', $this->server('PHP_SELF'));
$parts = explode('/', $url);
$numParts = count($parts);
if (($numParts < 3) || (substr($parts[$numParts - 1], -4) !== '.php')) {
die('Fatal error - can not figure out my own URL');
}
$url = implode('/', array_slice($parts, 0, $numParts - 3));
$protocol = $this->isHttps() ? 'https://' : 'http://';
$url = $protocol . $this->server('HTTP_HOST') . $url;
return $url;
}
/**
* Helper function: Derive 'site_admin_url' from PHP_SELF
*
* @return string
*/
private function getSiteAdminUrl()
{
$url = str_replace('//', '/', $this->server('PHP_SELF'));
$parts = explode('/', $url);
$numParts = count($parts);
if (($numParts < 3) || (substr($parts[$numParts - 1], -4) !== '.php')) {
die('Fatal error - can not figure out my own URL');
}
$url = implode('/', array_slice($parts, 0, $numParts - 2));
$protocol = $this->isHttps() ? 'https://' : 'http://';
$url = $protocol . $this->server('HTTP_HOST') . $url;
return $url;
}
/**
* Provide a link to the help page for an option
*
* @param string $var key of the label, used as an anchor on the help page
* @return string HTML for the link
*/
public function getHelpLink($var)
{
return '(<a href="help.php?language=' . $this->env['language'] . '&label=' . $var
. '#' . $var . '" target="_blank">?</a>)';
}
/**
* Prepare a dropdown list of all available databases
* Checks which driver classes and "tableanddata" files are actually present,
* so that unwanted dbs can be removed (still requires special code all over the
* place so you can't simply drop in new files to add support for new dbs).
* If support for a database has not been compiled into PHP, the option will be
* listed as disabled.
*
* @param string $gl_path base Geeklog install path
* @param string $selected_dbtype currently selected db type
* @param bool $list_innodb whether to list InnoDB option
* @return string
* @throws Exception
*/
private function listOfSupportedDBs($gl_path, $selected_dbtype, $list_innodb = false)
{
$retval = '';
if (substr($gl_path, -strlen(self::DB_CONFIG_FILE)) === self::DB_CONFIG_FILE) {
$gl_path = dirname($gl_path);
}
$dbs = array(
'mysql' => array(
'file' => 'mysql',
'label' => $this->LANG['INSTALL'][35],
),
'mysql-innodb' => array(
'file' => 'mysql',
'label' => $this->LANG['INSTALL'][36],
),
'pgsql' => array(
'file' => 'pgsql',
'label' => $this->LANG['INSTALL'][106],
),
);
// may not be needed as a separate option, e.g. for upgrades
if (!$list_innodb) {
unset($dbs['mysql-innodb']);
}
foreach ($dbs as $dbname => $info) {
$prefix = $info['file'];
if (file_exists($gl_path . '/sql/' . $prefix . '_tableanddata.php') &&
file_exists($gl_path . '/system/databases/' . $prefix
. '.class.php')
) {
if ($prefix === 'mysql') {
// check that the MySQLi driver file is also there so we
// don't have to check for it every time at runtime
if (!file_exists($gl_path . '/system/databases/'
. 'mysqli.class.php')
) {
continue;
}
}
$retval .= '<option value="' . $dbname . '"';
switch ($dbname) {
case 'mysql':
case 'mysql-innodb':
$shouldDisable = !is_callable('mysql_connect') && !is_callable('mysqli_connect');
break;
case 'pgsql':
$shouldDisable = !is_callable('pg_connect');
break;
default:
throw new Exception(__METHOD__ . ': unknown database type');
break;
}
if ($shouldDisable) {
$retval .= ' disabled="disabled"';
unset($dbs[$dbname]);
} elseif ($dbname === $selected_dbtype) {
$retval .= ' selected="selected"';
}
$retval .= '>' . $info['label'] . '</option>' . PHP_EOL;
} else {