1292 lines
31 KiB
PHP
1292 lines
31 KiB
PHP
<?php
|
|
require_once "lib/recaptchalib.php";
|
|
require_once "lib/securimage/securimage.php";
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
|
|
* Input / Output Sanitising *
|
|
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
/**
|
|
* Make some data safe for printing into HTML
|
|
*
|
|
* @retval string
|
|
*/
|
|
function html_escape($input) {
|
|
return htmlentities($input, ENT_QUOTES, "UTF-8");
|
|
}
|
|
|
|
/**
|
|
* Make sure some data is safe to be used in integer context
|
|
*
|
|
* @retval int
|
|
*/
|
|
function int_escape($input) {
|
|
/*
|
|
Side note, Casting to an integer is FASTER than using intval.
|
|
http://hakre.wordpress.com/2010/05/13/php-casting-vs-intval/
|
|
*/
|
|
return (int)$input;
|
|
}
|
|
|
|
/**
|
|
* Make sure some data is safe to be used in URL context
|
|
*
|
|
* @retval string
|
|
*/
|
|
function url_escape($input) {
|
|
$input = str_replace('^', '^^', $input);
|
|
$input = str_replace('/', '^s', $input);
|
|
$input = str_replace('\\', '^b', $input);
|
|
$input = rawurlencode($input);
|
|
return $input;
|
|
}
|
|
|
|
/**
|
|
* Make sure some data is safe to be used in SQL context
|
|
*
|
|
* @retval string
|
|
*/
|
|
function sql_escape($input) {
|
|
global $database;
|
|
return $database->db->Quote($input);
|
|
}
|
|
|
|
|
|
/**
|
|
* Turn all manner of HTML / INI / JS / DB booleans into a PHP one
|
|
*
|
|
* @retval boolean
|
|
*/
|
|
function bool_escape($input) {
|
|
$input = strtolower($input);
|
|
return (
|
|
$input === "y" ||
|
|
$input === "yes" ||
|
|
$input === "t" ||
|
|
$input === "true" ||
|
|
$input === "on" ||
|
|
$input === 1 ||
|
|
$input === true
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Some functions require a callback function for escaping,
|
|
* but we might not want to alter the data
|
|
*
|
|
* @retval string
|
|
*/
|
|
function no_escape($input) {
|
|
return $input;
|
|
}
|
|
|
|
/**
|
|
* Turn a human readable filesize into an integer, eg 1KB -> 1024
|
|
*
|
|
* @retval int
|
|
*/
|
|
function parse_shorthand_int($limit) {
|
|
if(is_numeric($limit)) {
|
|
return (int)$limit;
|
|
}
|
|
|
|
if(preg_match('/^([\d\.]+)([gmk])?b?$/i', (string)$limit, $m)) {
|
|
$value = $m[1];
|
|
if (isset($m[2])) {
|
|
switch(strtolower($m[2])) {
|
|
case 'g': $value *= 1024; # fallthrough
|
|
case 'm': $value *= 1024; # fallthrough
|
|
case 'k': $value *= 1024; break;
|
|
default: $value = -1;
|
|
}
|
|
}
|
|
return (int)$value;
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Turn an integer into a human readable filesize, eg 1024 -> 1KB
|
|
*
|
|
* @retval string
|
|
*/
|
|
function to_shorthand_int($int) {
|
|
if($int >= pow(1024, 3)) {
|
|
return sprintf("%.1fGB", $int / pow(1024, 3));
|
|
}
|
|
else if($int >= pow(1024, 2)) {
|
|
return sprintf("%.1fMB", $int / pow(1024, 2));
|
|
}
|
|
else if($int >= 1024) {
|
|
return sprintf("%.1fKB", $int / 1024);
|
|
}
|
|
else {
|
|
return (string)$int;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Turn a date into a time, a date, an "X minutes ago...", etc
|
|
*
|
|
* @retval string
|
|
*/
|
|
function autodate($date, $html=true) {
|
|
$cpu = date('c', strtotime($date));
|
|
$hum = date('F j, Y; H:i', strtotime($date));
|
|
return ($html ? "<time datetime='$cpu'>$hum</time>" : $hum);
|
|
}
|
|
|
|
/**
|
|
* Check if a given string is a valid date-time. ( Format: yyyy-mm-dd hh:mm:ss )
|
|
*
|
|
* @retval boolean
|
|
*/
|
|
function isValidDateTime($dateTime)
|
|
{
|
|
if (preg_match("/^(\d{4})-(\d{2})-(\d{2}) ([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])$/", $dateTime, $matches)) {
|
|
if (checkdate($matches[2], $matches[3], $matches[1])) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check if a given string is a valid date. ( Format: yyyy-mm-dd )
|
|
*
|
|
* @retval boolean
|
|
*/
|
|
function isValidDate($date)
|
|
{
|
|
if (preg_match("/^(\d{4})-(\d{2})-(\d{2})$/", $date, $matches)) {
|
|
// checkdate wants (month, day, year)
|
|
if (checkdate($matches[2], $matches[3], $matches[1])) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Return a pluraliser if necessary
|
|
*
|
|
* @retval string
|
|
*/
|
|
function plural($num, $single_form="", $plural_form="s") {
|
|
return ($num == 1) ? $single_form : $plural_form;
|
|
}
|
|
|
|
|
|
/**
|
|
* Different databases have different ways to represent booleans; this
|
|
* will try and standardise them
|
|
*/
|
|
function undb_bool($val) {
|
|
if($val === true || $val == 'Y' || $val == 'y' || $val == 'T' || $val == 't' || $val === 1) return true;
|
|
if($val === false || $val == 'N' || $val == 'n' || $val == 'F' || $val == 'f' || $val === 0) return false;
|
|
}
|
|
|
|
/**
|
|
* Checks if a given string contains another at the beginning.
|
|
*
|
|
* @param $haystack String to examine.
|
|
* @param $needle String to look for.
|
|
* @retval bool
|
|
*/
|
|
function startsWith(/*string*/ $haystack, /*string*/ $needle) {
|
|
$length = strlen($needle);
|
|
return (substr($haystack, 0, $length) === $needle);
|
|
}
|
|
|
|
/**
|
|
* Checks if a given string contains another at the end.
|
|
*
|
|
* @param $haystack String to examine.
|
|
* @param $needle String to look for.
|
|
* @retval bool
|
|
*/
|
|
function endsWith(/*string*/ $haystack, /*string*/ $needle) {
|
|
$length = strlen($needle);
|
|
$start = $length * -1; //negative
|
|
return (substr($haystack, $start) === $needle);
|
|
}
|
|
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
|
|
* HTML Generation *
|
|
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
/**
|
|
* Figure out the correct way to link to a page, taking into account
|
|
* things like the nice URLs setting.
|
|
*
|
|
* eg make_link("post/list") becomes "/v2/index.php?q=post/list"
|
|
*
|
|
* @retval string
|
|
*/
|
|
function make_link($page=null, $query=null) {
|
|
global $config;
|
|
|
|
if(is_null($page)) $page = $config->get_string('main_page');
|
|
|
|
if(NICE_URLS || $config->get_bool('nice_urls', false)) {
|
|
#$full = "http://" . $_SERVER["SERVER_NAME"] . $_SERVER["PHP_SELF"];
|
|
$full = $_SERVER["PHP_SELF"];
|
|
$base = str_replace("/".basename($_SERVER["SCRIPT_FILENAME"]), "", $full);
|
|
}
|
|
else {
|
|
$base = "./".basename($_SERVER["SCRIPT_FILENAME"])."?q=";
|
|
}
|
|
|
|
if(is_null($query)) {
|
|
return str_replace("//", "/", $base.'/'.$page );
|
|
}
|
|
else {
|
|
if(strpos($base, "?")) {
|
|
return $base .'/'. $page .'&'. $query;
|
|
}
|
|
else if(strpos($query, "#") === 0) {
|
|
return $base .'/'. $page . $query;
|
|
}
|
|
else {
|
|
return $base .'/'. $page .'?'. $query;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Take the current URL and modify some paramaters
|
|
*
|
|
* @retval string
|
|
*/
|
|
function modify_current_url($changes) {
|
|
return modify_url($_SERVER['QUERY_STRING'], $changes);
|
|
}
|
|
|
|
function modify_url($url, $changes) {
|
|
// SHIT: PHP is officially the worst web API ever because it does not
|
|
// have a built-in function to do this.
|
|
|
|
// SHIT: parse_str is magically retarded; not only is it a useless name, it also
|
|
// didn't return the parsed array, preferring to overwrite global variables with
|
|
// whatever data the user supplied. Thankfully, 4.0.3 added an extra option to
|
|
// give it an array to use...
|
|
$params = array();
|
|
parse_str($url, $params);
|
|
|
|
if(isset($changes['q'])) {
|
|
$base = $changes['q'];
|
|
unset($changes['q']);
|
|
}
|
|
else {
|
|
$base = $_GET['q'];
|
|
}
|
|
|
|
if(isset($params['q'])) {
|
|
unset($params['q']);
|
|
}
|
|
|
|
foreach($changes as $k => $v) {
|
|
if(is_null($v) and isset($params[$k])) unset($params[$k]);
|
|
$params[$k] = $v;
|
|
}
|
|
|
|
return make_link($base, http_build_query($params));
|
|
}
|
|
|
|
|
|
/**
|
|
* Turn a relative link into an absolute one, including hostname
|
|
*
|
|
* @retval string
|
|
*/
|
|
function make_http(/*string*/ $link) {
|
|
if(strpos($link, "ttp://") > 0) return $link;
|
|
if(strlen($link) > 0 && $link[0] != '/') $link = get_base_href().'/'.$link;
|
|
$link = "http://".$_SERVER["HTTP_HOST"].$link;
|
|
$link = str_replace("/./", "/", $link);
|
|
return $link;
|
|
}
|
|
|
|
/**
|
|
* Make a form tag with relevant auth token and stuff
|
|
* (Added optional Form ID field for helping jquery.)
|
|
*
|
|
* @retval string
|
|
*/
|
|
function make_form($target, $method="POST", $multipart=False, $form_id="", $onsubmit="") {
|
|
global $user;
|
|
$auth = $user->get_auth_html();
|
|
$extra = empty($form_id) ? '' : 'id="'. $form_id .'"';
|
|
if($multipart) {
|
|
$extra .= " enctype='multipart/form-data'";
|
|
}
|
|
if($onsubmit) {
|
|
$extra .= ' onsubmit="'.$onsubmit.'"';
|
|
}
|
|
return '<form action="'.$target.'" method="'.$method.'" '.$extra.'>'.$auth;
|
|
}
|
|
|
|
/**
|
|
* Make a link to a static file in the current theme's
|
|
* directory
|
|
*/
|
|
function theme_file($filepath) {
|
|
global $config;
|
|
$theme = $config->get_string("theme","default");
|
|
return make_link('themes/'.$theme.'/'.$filepath);
|
|
}
|
|
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
|
|
* CAPTCHA abstraction *
|
|
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
function captcha_get_html() {
|
|
global $config, $user;
|
|
|
|
if(DEBUG && ip_in_range($_SERVER['REMOTE_ADDR'], "127.0.0.0/8")) return "";
|
|
|
|
$captcha = "";
|
|
if($user->is_anonymous() && $config->get_bool("comment_captcha")) {
|
|
$rpk = $config->get_string("api_recaptcha_privkey");
|
|
if(!empty($rpk)) {
|
|
$captcha = recaptcha_get_html($rpk);
|
|
}
|
|
else {
|
|
session_start();
|
|
$securimg = new Securimage();
|
|
$base = get_base_href();
|
|
$captcha = "<br/><img src='$base/lib/securimage/securimage_show.php?sid=". md5(uniqid(time())) ."'>".
|
|
"<br/>CAPTCHA: <input type='text' name='code' value='' />";
|
|
}
|
|
}
|
|
return $captcha;
|
|
}
|
|
|
|
function captcha_check() {
|
|
global $config, $user;
|
|
|
|
if(DEBUG && ip_in_range($_SERVER['REMOTE_ADDR'], "127.0.0.0/8")) return true;
|
|
|
|
if($user->is_anonymous() && $config->get_bool("comment_captcha")) {
|
|
$rpk = $config->get_string('api_recaptcha_pubkey');
|
|
if(!empty($rpk)) {
|
|
$resp = recaptcha_check_answer(
|
|
$rpk,
|
|
$_SERVER["REMOTE_ADDR"],
|
|
$_POST["recaptcha_challenge_field"],
|
|
$_POST["recaptcha_response_field"]);
|
|
|
|
if(!$resp->is_valid) {
|
|
log_info("core", "Captcha failed (ReCaptcha): " . $resp->error);
|
|
return false;
|
|
}
|
|
}
|
|
else {
|
|
session_start();
|
|
$securimg = new Securimage();
|
|
if($securimg->check($_POST['code']) == false) {
|
|
log_info("core", "Captcha failed (Securimage)");
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
|
|
* Misc *
|
|
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
function _version_check() {
|
|
if(version_compare(PHP_VERSION, "5.2.6") == -1) {
|
|
print "
|
|
Currently SCore Engine doesn't support versions of PHP lower than 5.2.6 --
|
|
if your web host is running an older version, they are dangerously out of
|
|
date and you should plan on moving elsewhere.
|
|
";
|
|
exit;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
function check_cli() {
|
|
if(isset($_SERVER['REMOTE_ADDR'])) {
|
|
print "This script is to be run from the command line only.";
|
|
exit;
|
|
}
|
|
$_SERVER['REMOTE_ADDR'] = "127.0.0.1";
|
|
}
|
|
|
|
/**
|
|
* $db is the connection object
|
|
*
|
|
* @private
|
|
*/
|
|
function _count_execs($db, $sql, $inputarray) {
|
|
global $_execs;
|
|
if((DEBUG_SQL === true) || (is_null(DEBUG_SQL) && @$_GET['DEBUG_SQL'])) {
|
|
$fp = @fopen("data/sql.log", "a");
|
|
if($fp) {
|
|
if(isset($inputarray) && is_array($inputarray)) {
|
|
fwrite($fp, preg_replace('/\s+/msi', ' ', $sql)." -- ".join(", ", $inputarray)."\n");
|
|
}
|
|
else {
|
|
fwrite($fp, preg_replace('/\s+/msi', ' ', $sql)."\n");
|
|
}
|
|
fclose($fp);
|
|
}
|
|
else {
|
|
# WARNING:
|
|
# SQL queries happen before the event system is fully initialised
|
|
# (eg, "select theme from config" happens before "load themes"),
|
|
# so using the event system to report an error will create some
|
|
# really weird looking bugs.
|
|
#
|
|
#log_error("core", "failed to open sql.log for appending");
|
|
}
|
|
}
|
|
if (!is_array($inputarray)) $_execs++;
|
|
# handle 2-dimensional input arrays
|
|
else if (is_array(reset($inputarray))) $_execs += sizeof($inputarray);
|
|
else $_execs++;
|
|
# in PHP4.4 and PHP5, we need to return a value by reference
|
|
$null = null; return $null;
|
|
}
|
|
|
|
/**
|
|
* Find the theme object for a given extension
|
|
*/
|
|
function get_theme_object(Extension $class, $fatal=true) {
|
|
$base = get_class($class);
|
|
if(class_exists('Custom'.$base.'Theme')) {
|
|
$class = 'Custom'.$base.'Theme';
|
|
return new $class();
|
|
}
|
|
elseif ($fatal || class_exists($base.'Theme')) {
|
|
$class = $base.'Theme';
|
|
return new $class();
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Compare two Block objects, used to sort them before being displayed
|
|
*
|
|
* @retval int
|
|
*/
|
|
function blockcmp(Block $a, Block $b) {
|
|
if($a->position == $b->position) {
|
|
return 0;
|
|
}
|
|
else {
|
|
return ($a->position > $b->position);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Figure out PHP's internal memory limit
|
|
*
|
|
* @retval int
|
|
*/
|
|
function get_memory_limit() {
|
|
global $config;
|
|
|
|
// thumbnail generation requires lots of memory
|
|
$default_limit = 8*1024*1024;
|
|
$shimmie_limit = parse_shorthand_int($config->get_int("thumb_mem_limit"));
|
|
if($shimmie_limit < 3*1024*1024) {
|
|
// we aren't going to fit, override
|
|
$shimmie_limit = $default_limit;
|
|
}
|
|
|
|
ini_set("memory_limit", $shimmie_limit);
|
|
$memory = parse_shorthand_int(ini_get("memory_limit"));
|
|
|
|
// changing of memory limit is disabled / failed
|
|
if($memory == -1) {
|
|
$memory = $default_limit;
|
|
}
|
|
|
|
assert($memory > 0);
|
|
|
|
return $memory;
|
|
}
|
|
|
|
/**
|
|
* Get the currently active IP, masked to make it not change when the last
|
|
* octet or two change, for use in session cookies and such
|
|
*
|
|
* @retval string
|
|
*/
|
|
function get_session_ip(Config $config) {
|
|
$mask = $config->get_string("session_hash_mask", "255.255.0.0");
|
|
$addr = $_SERVER['REMOTE_ADDR'];
|
|
$addr = inet_ntop(inet_pton($addr) & inet_pton($mask));
|
|
return $addr;
|
|
}
|
|
|
|
/**
|
|
* similar to $_COOKIE[$name], but $name has the site-wide cookie
|
|
* prefix prepended to it, eg username -> shm_username, to prevent
|
|
* conflicts from multiple installs within one domain.
|
|
*/
|
|
function get_prefixed_cookie(/*string*/ $name) {
|
|
global $config;
|
|
$full_name = COOKIE_PREFIX."_".$name;
|
|
if(isset($_COOKIE[$full_name])) {
|
|
return $_COOKIE[$full_name];
|
|
}
|
|
else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* The counterpart for get_prefixed_cookie, this works like php's
|
|
* setcookie method, but prepends the site-wide cookie prefix to
|
|
* the $name argument before doing anything.
|
|
*/
|
|
function set_prefixed_cookie($name, $value, $time, $path) {
|
|
global $config;
|
|
$full_name = $config->get_string('cookie_prefix','shm')."_".$name;
|
|
setcookie($full_name, $value, $time, $path);
|
|
}
|
|
|
|
/**
|
|
* Figure out the path to the shimmie install directory.
|
|
*
|
|
* eg if shimmie is visible at http://foo.com/gallery, this
|
|
* function should return /gallery
|
|
*
|
|
* PHP really, really sucks.
|
|
*
|
|
* @retval string
|
|
*/
|
|
function get_base_href() {
|
|
$possible_vars = array('SCRIPT_NAME', 'PHP_SELF', 'PATH_INFO', 'ORIG_PATH_INFO');
|
|
$ok_var = null;
|
|
foreach($possible_vars as $var) {
|
|
if(substr($_SERVER[$var], -4) === '.php') {
|
|
$ok_var = $_SERVER[$var];
|
|
break;
|
|
}
|
|
}
|
|
assert(!empty($ok_var));
|
|
$dir = dirname($ok_var);
|
|
if($dir === "/" || $dir === "\\") $dir = "";
|
|
return $dir;
|
|
}
|
|
|
|
/**
|
|
* A shorthand way to send a TextFormattingEvent and get the
|
|
* results
|
|
*
|
|
* @retval string
|
|
*/
|
|
function format_text(/*string*/ $string) {
|
|
$tfe = new TextFormattingEvent($string);
|
|
send_event($tfe);
|
|
return $tfe->formatted;
|
|
}
|
|
|
|
function warehouse_path(/*string*/ $base, /*string*/ $hash, /*bool*/ $create=true) {
|
|
$ab = substr($hash, 0, 2);
|
|
$cd = substr($hash, 2, 2);
|
|
if(WH_SPLITS == 2) {
|
|
$pa = $base.'/'.$ab.'/'.$cd.'/'.$hash;
|
|
}
|
|
else {
|
|
$pa = $base.'/'.$ab.'/'.$hash;
|
|
}
|
|
if($create && !file_exists(dirname($pa))) mkdir(dirname($pa), 0755, true);
|
|
return $pa;
|
|
}
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
|
|
* Logging convenience *
|
|
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
define("SCORE_LOG_CRITICAL", 50);
|
|
define("SCORE_LOG_ERROR", 40);
|
|
define("SCORE_LOG_WARNING", 30);
|
|
define("SCORE_LOG_INFO", 20);
|
|
define("SCORE_LOG_DEBUG", 10);
|
|
define("SCORE_LOG_NOTSET", 0);
|
|
|
|
/**
|
|
* A shorthand way to send a LogEvent
|
|
*/
|
|
function log_msg($section, $priority, $message) {
|
|
send_event(new LogEvent($section, $priority, $message));
|
|
}
|
|
|
|
// More shorthand ways of logging
|
|
function log_debug($section, $message) {log_msg($section, SCORE_LOG_DEBUG, $message);}
|
|
function log_info($section, $message) {log_msg($section, SCORE_LOG_INFO, $message);}
|
|
function log_warning($section, $message) {log_msg($section, SCORE_LOG_WARNING, $message);}
|
|
function log_error($section, $message) {log_msg($section, SCORE_LOG_ERROR, $message);}
|
|
function log_critical($section, $message) {log_msg($section, SCORE_LOG_CRITICAL, $message);}
|
|
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
|
|
* Things which should be in the core API *
|
|
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
/**
|
|
* Remove an item from an array
|
|
*
|
|
* @retval array
|
|
*/
|
|
function array_remove($array, $to_remove) {
|
|
$array = array_unique($array);
|
|
$a2 = array();
|
|
foreach($array as $existing) {
|
|
if($existing != $to_remove) {
|
|
$a2[] = $existing;
|
|
}
|
|
}
|
|
return $a2;
|
|
}
|
|
|
|
/**
|
|
* Adds an item to an array.
|
|
*
|
|
* Also removes duplicate values from the array.
|
|
*
|
|
* @retval array
|
|
*/
|
|
function array_add($array, $element) {
|
|
// Could we just use array_push() ?
|
|
// http://www.php.net/manual/en/function.array-push.php
|
|
$array[] = $element;
|
|
$array = array_unique($array);
|
|
return $array;
|
|
}
|
|
|
|
/**
|
|
* Return the unique elements of an array, case insensitively
|
|
*
|
|
* @retval array
|
|
*/
|
|
function array_iunique($array) {
|
|
$ok = array();
|
|
foreach($array as $element) {
|
|
$found = false;
|
|
foreach($ok as $existing) {
|
|
if(strtolower($element) == strtolower($existing)) {
|
|
$found = true; break;
|
|
}
|
|
}
|
|
if(!$found) {
|
|
$ok[] = $element;
|
|
}
|
|
}
|
|
return $ok;
|
|
}
|
|
|
|
/**
|
|
* Figure out if an IP is in a specified range
|
|
*
|
|
* from http://uk.php.net/network
|
|
*
|
|
* @retval bool
|
|
*/
|
|
function ip_in_range($IP, $CIDR) {
|
|
list ($net, $mask) = explode("/", $CIDR);
|
|
|
|
$ip_net = ip2long ($net);
|
|
$ip_mask = ~((1 << (32 - $mask)) - 1);
|
|
|
|
$ip_ip = ip2long ($IP);
|
|
|
|
$ip_ip_net = $ip_ip & $ip_mask;
|
|
|
|
return ($ip_ip_net == $ip_net);
|
|
}
|
|
|
|
/**
|
|
* Delete an entire file heirachy
|
|
*
|
|
* from a patch by Christian Walde; only intended for use in the
|
|
* "extension manager" extension, but it seems to fit better here
|
|
*/
|
|
function deltree($f) {
|
|
//Because Windows (I know, bad excuse)
|
|
if (PHP_OS === 'WINNT') {
|
|
$real = realpath($f);
|
|
$path = realpath('./').'\\'.str_replace('/', '\\', $f);
|
|
if ($path != $real) {
|
|
rmdir($path);
|
|
}
|
|
else
|
|
{
|
|
foreach(glob($f.'/*') as $sf) {
|
|
if (is_dir($sf) && !is_link($sf)) {
|
|
deltree($sf);
|
|
} else {
|
|
unlink($sf);
|
|
}
|
|
}
|
|
rmdir($f);
|
|
}
|
|
}
|
|
else {
|
|
if (is_link($f)) {
|
|
unlink($f);
|
|
}
|
|
else if(is_dir($f)) {
|
|
foreach(glob($f.'/*') as $sf) {
|
|
if (is_dir($sf) && !is_link($sf)) {
|
|
deltree($sf);
|
|
} else {
|
|
unlink($sf);
|
|
}
|
|
}
|
|
rmdir($f);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Copy an entire file heirachy
|
|
*
|
|
* from a comment on http://uk.php.net/copy
|
|
*/
|
|
function full_copy($source, $target) {
|
|
if(is_dir($source)) {
|
|
@mkdir($target);
|
|
|
|
$d = dir($source);
|
|
|
|
while(FALSE !== ($entry = $d->read())) {
|
|
if($entry == '.' || $entry == '..') {
|
|
continue;
|
|
}
|
|
|
|
$Entry = $source . '/' . $entry;
|
|
if(is_dir($Entry)) {
|
|
full_copy($Entry, $target . '/' . $entry);
|
|
continue;
|
|
}
|
|
copy($Entry, $target . '/' . $entry);
|
|
}
|
|
$d->close();
|
|
}
|
|
else {
|
|
copy($source, $target);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
function weighted_random($weights) {
|
|
$total = 0;
|
|
foreach($weights as $k => $w) {
|
|
$total += $w;
|
|
}
|
|
|
|
$r = mt_rand(0, $total);
|
|
foreach($weights as $k => $w) {
|
|
$r -= $w;
|
|
if($r <= 0) {
|
|
return $k;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
|
|
* Event API *
|
|
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
/** @private */
|
|
$_event_listeners = array();
|
|
|
|
/**
|
|
* Register an Extension
|
|
*/
|
|
function add_event_listener(Extension $extension, $pos=50, $events=array()) {
|
|
global $_event_listeners;
|
|
foreach($events as $event) {
|
|
while(isset($_event_listeners[$event][$pos])) {
|
|
$pos++;
|
|
}
|
|
$_event_listeners[$event][$pos] = $extension;
|
|
}
|
|
}
|
|
|
|
/** @private */
|
|
$_event_count = 0;
|
|
|
|
/**
|
|
* Send an event to all registered Extensions
|
|
*/
|
|
function send_event(Event $event) {
|
|
global $_event_listeners, $_event_count;
|
|
if(!isset($_event_listeners[get_class($event)])) return;
|
|
$method_name = "on".str_replace("Event", "", get_class($event));
|
|
|
|
ctx_log_start(get_class($event));
|
|
// SHIT: http://bugs.php.net/bug.php?id=35106
|
|
$my_event_listeners = $_event_listeners[get_class($event)];
|
|
ksort($my_event_listeners);
|
|
foreach($my_event_listeners as $listener) {
|
|
ctx_log_start(get_class($listener));
|
|
$listener->$method_name($event);
|
|
ctx_log_endok();
|
|
}
|
|
$_event_count++;
|
|
ctx_log_endok();
|
|
}
|
|
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
|
|
* Debugging functions *
|
|
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
// SHIT by default this returns the time as a string. And it's not even a
|
|
// string representation of a number, it's two numbers separated by a space.
|
|
// What the fuck were the PHP developers smoking.
|
|
$_load_start = microtime(true);
|
|
|
|
/**
|
|
* Collects some debug information (execution time, memory usage, queries, etc)
|
|
* and formats it to stick in the footer of the page.
|
|
*
|
|
* @retval String of debug info to add to the page.
|
|
*/
|
|
function get_debug_info() {
|
|
global $config, $_event_count, $database, $_execs, $_load_start;
|
|
|
|
if(function_exists('memory_get_usage')) {
|
|
$i_mem = sprintf("%5.2f", ((memory_get_usage()+512)/1024)/1024);
|
|
}
|
|
else {
|
|
$i_mem = "???";
|
|
}
|
|
|
|
if($config->get_string("commit_hash") == ""){
|
|
$commit = "";
|
|
}else{
|
|
$commit = " (".$config->get_string("commit_hash").")";
|
|
}
|
|
$time = sprintf("%5.2f", microtime(true) - $_load_start);
|
|
$i_files = count(get_included_files());
|
|
$hits = $database->cache->get_hits();
|
|
$miss = $database->cache->get_misses();
|
|
|
|
$debug = "<br>Took $time seconds and {$i_mem}MB of RAM";
|
|
$debug .= "; Used $i_files files and $_execs queries";
|
|
$debug .= "; Sent $_event_count events";
|
|
$debug .= "; $hits cache hits and $miss misses";
|
|
$debug .= "; Shimmie version ". VERSION . $commit; // .", SCore Version ". SCORE_VERSION;
|
|
|
|
return $debug;
|
|
}
|
|
|
|
// print_obj ($object, $title, $return)
|
|
function print_obj($object,$title="Object Information", $return=false) {
|
|
global $user;
|
|
if(DEBUG && isset($_GET['DEBUG']) && $user->can("override_config")) {
|
|
$pr = print_r($object,true);
|
|
$count = substr_count($pr,"\n")<=25?substr_count($pr,"\n"):25;
|
|
$pr = "<textarea rows='".$count."' cols='80'>$pr</textarea>";
|
|
|
|
if($return) {
|
|
return $pr;
|
|
} else {
|
|
global $page;
|
|
$page->add_block(new Block($title,$pr,"main",1000));
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// preset tests.
|
|
|
|
// Prints the contents of $event->args, even though they are clearly visible in
|
|
// the URL bar.
|
|
function print_url_args() {
|
|
global $event;
|
|
print_obj($event->args,"URL Arguments");
|
|
}
|
|
|
|
// Prints all the POST data.
|
|
function print_POST() {
|
|
print_obj($_POST,"\$_POST");
|
|
}
|
|
|
|
// Prints GET, though this is also visible in the url ( url?var&var&var)
|
|
function print_GET() {
|
|
print_obj($_GET,"\$_GET");
|
|
}
|
|
|
|
$_last_time = microtime(true);
|
|
$_last_msg = null;
|
|
function timeline($text) {
|
|
if(empty($_GET["timeline"])) return;
|
|
global $_last_time, $_last_msg;
|
|
$time = microtime(true);
|
|
if($_last_msg) printf("TL: %s (%dms)<br>", $_last_msg, (int)(($time-$_last_time)*1000));
|
|
$_last_time = $time;
|
|
$_last_msg = $text;
|
|
}
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
|
|
* Request initialisation stuff *
|
|
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
/** @privatesection */
|
|
|
|
function _stripslashes_r($arr) {
|
|
return is_array($arr) ? array_map('_stripslashes_r', $arr) : stripslashes($arr);
|
|
}
|
|
|
|
function _sanitise_environment() {
|
|
if(TIMEZONE) {
|
|
date_default_timezone_set(TIMEZONE);
|
|
}
|
|
|
|
if(DEBUG) {
|
|
error_reporting(E_ALL);
|
|
}
|
|
|
|
assert_options(ASSERT_ACTIVE, 1);
|
|
assert_options(ASSERT_BAIL, 1);
|
|
|
|
ob_start();
|
|
|
|
if(get_magic_quotes_gpc()) {
|
|
$_GET = _stripslashes_r($_GET);
|
|
$_POST = _stripslashes_r($_POST);
|
|
$_COOKIE = _stripslashes_r($_COOKIE);
|
|
}
|
|
}
|
|
|
|
function _get_themelet_files($_theme) {
|
|
$themelets = array();
|
|
|
|
if(file_exists('themes/'.$_theme.'/custompage.class.php')) $themelets[] = 'themes/'.$_theme.'/custompage.class.php';
|
|
$themelets[] = 'themes/'.$_theme.'/layout.class.php';
|
|
$themelets[] = 'themes/'.$_theme.'/themelet.class.php';
|
|
|
|
$themelet_files = glob("ext/*/theme.php");
|
|
foreach($themelet_files as $filename) {
|
|
$themelets[] = $filename;
|
|
}
|
|
|
|
$custom_themelets = glob('themes/'.$_theme.'/*.theme.php');
|
|
if($custom_themelets) {
|
|
$m = array();
|
|
foreach($custom_themelets as $filename) {
|
|
if(preg_match('/themes\/'.$_theme.'\/(.*)\.theme\.php/',$filename,$m)
|
|
&& in_array('ext/'.$m[1].'/theme.php', $themelets)) {
|
|
$themelets[] = $filename;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $themelets;
|
|
}
|
|
|
|
function _load_extensions() {
|
|
global $_event_listeners;
|
|
|
|
ctx_log_start("Loading extensions");
|
|
|
|
if(COMPILE_ELS && file_exists("data/event_listeners.php")) {
|
|
require_once("data/event_listeners.php");
|
|
}
|
|
else {
|
|
$all_events = array();
|
|
foreach(get_declared_classes() as $class) {
|
|
if(is_subclass_of($class, "Event")) {
|
|
$all_events[] = $class;
|
|
}
|
|
}
|
|
foreach(get_declared_classes() as $class) {
|
|
$rclass = new ReflectionClass($class);
|
|
if($rclass->isAbstract()) {
|
|
// don't do anything
|
|
}
|
|
elseif(is_subclass_of($class, "Extension")) {
|
|
$c = new $class();
|
|
$c->i_am($c);
|
|
$my_events = array();
|
|
foreach(get_class_methods($c) as $method) {
|
|
if(substr($method, 0, 2) == "on") {
|
|
$my_events[] = substr($method, 2) . "Event";
|
|
}
|
|
}
|
|
add_event_listener($c, $c->get_priority(), $my_events);
|
|
}
|
|
}
|
|
|
|
if(COMPILE_ELS) {
|
|
$p = "<"."?php\n";
|
|
|
|
foreach(get_declared_classes() as $class) {
|
|
$rclass = new ReflectionClass($class);
|
|
if($rclass->isAbstract()) {}
|
|
elseif(is_subclass_of($class, "Extension")) {
|
|
$p .= "\$$class = new $class(); ";
|
|
$p .= "\${$class}->i_am(\$$class);\n";
|
|
}
|
|
}
|
|
|
|
$p .= "\$_event_listeners = array(\n";
|
|
foreach($_event_listeners as $event => $listeners) {
|
|
$p .= "\t'$event' => array(\n";
|
|
foreach($listeners as $id => $listener) {
|
|
$p .= "\t\t$id => \$".get_class($listener).",\n";
|
|
}
|
|
$p .= "\t),\n";
|
|
}
|
|
$p .= ");\n";
|
|
|
|
$p .= "?".">";
|
|
file_put_contents("data/event_listeners.php", $p);
|
|
}
|
|
}
|
|
|
|
ctx_log_endok();
|
|
}
|
|
|
|
/**
|
|
* Used to display fatal errors to the web user.
|
|
*/
|
|
function _fatal_error(Exception $e) {
|
|
$version = VERSION;
|
|
$message = $e->getMessage();
|
|
//$trace = var_dump($e->getTrace());
|
|
header("HTTP/1.0 500 Internal Error");
|
|
echo '
|
|
<html>
|
|
<head>
|
|
<title>Internal error - SCore-'.$version.'</title>
|
|
</head>
|
|
<body>
|
|
<h1>Internal Error</h1>
|
|
<p>'.$message.'
|
|
</body>
|
|
</html>
|
|
';
|
|
}
|
|
|
|
/**
|
|
* Turn ^^ into ^ and ^s into /
|
|
*
|
|
* Necessary because various servers and various clients
|
|
* think that / is special...
|
|
*/
|
|
function _decaret($str) {
|
|
$out = "";
|
|
$length = strlen($str);
|
|
for($i=0; $i<$length; $i++) {
|
|
if($str[$i] == "^") {
|
|
$i++;
|
|
if($str[$i] == "^") $out .= "^";
|
|
if($str[$i] == "s") $out .= "/";
|
|
if($str[$i] == "b") $out .= "\\";
|
|
}
|
|
else {
|
|
$out .= $str[$i];
|
|
}
|
|
}
|
|
return $out;
|
|
}
|
|
|
|
function _get_query_parts() {
|
|
if(isset($_GET["q"])) {
|
|
$path = $_GET["q"];
|
|
}
|
|
else if(isset($_SERVER["PATH_INFO"])) {
|
|
$path = $_SERVER["PATH_INFO"];
|
|
}
|
|
else {
|
|
$path = "";
|
|
}
|
|
|
|
while(strlen($path) > 0 && $path[0] == '/') {
|
|
$path = substr($path, 1);
|
|
}
|
|
|
|
$parts = explode('/', $path);
|
|
|
|
if(strpos($path, "^") === FALSE) {
|
|
return $parts;
|
|
}
|
|
else {
|
|
$unescaped = array();
|
|
foreach($parts as $part) {
|
|
$unescaped[] = _decaret($part);
|
|
}
|
|
return $unescaped;
|
|
}
|
|
}
|
|
|
|
function _get_page_request() {
|
|
global $config;
|
|
$args = _get_query_parts();
|
|
|
|
if(empty($args) || strlen($args[0]) === 0) {
|
|
$args = explode('/', $config->get_string('front_page'));
|
|
}
|
|
|
|
return new PageRequestEvent($args);
|
|
}
|
|
|
|
function _get_user() {
|
|
global $config, $database;
|
|
$user = null;
|
|
if(get_prefixed_cookie("user") && get_prefixed_cookie("session")) {
|
|
$tmp_user = User::by_session(get_prefixed_cookie("user"), get_prefixed_cookie("session"));
|
|
if(!is_null($tmp_user)) {
|
|
$user = $tmp_user;
|
|
}
|
|
}
|
|
if(is_null($user)) {
|
|
$user = User::by_id($config->get_int("anon_id", 0));
|
|
}
|
|
assert(!is_null($user));
|
|
|
|
return $user;
|
|
}
|
|
|
|
|
|
$_cache_memcache = false;
|
|
$_cache_key = null;
|
|
$_cache_filename = null;
|
|
|
|
function _cache_active() {
|
|
return (
|
|
(CACHE_MEMCACHE || CACHE_DIR) &&
|
|
$_SERVER["REQUEST_METHOD"] == "GET" &&
|
|
!get_prefixed_cookie("session") &&
|
|
!get_prefixed_cookie("nocache")
|
|
);
|
|
}
|
|
|
|
function _cache_log($text) {
|
|
$fp = @fopen("data/cache.log", "a");
|
|
if($fp) {
|
|
fputs($fp, $text);
|
|
fclose($fp);
|
|
}
|
|
}
|
|
|
|
function _start_cache() {
|
|
global $_cache_memcache, $_cache_key, $_cache_filename;
|
|
|
|
if(_cache_active()) {
|
|
if(CACHE_MEMCACHE) {
|
|
$_cache_memcache = new Memcache;
|
|
$_cache_memcache->pconnect('localhost', 11211);
|
|
$_cache_key = "uri:".$_SERVER["REQUEST_URI"];
|
|
$data = $_cache_memcache->get($_cache_key);
|
|
if(DEBUG) {
|
|
$stat = $zdata ? "hit" : "miss";
|
|
_cache_log(time() . " " . sprintf(" %-4s ", $stat) . $_cache_key . "\n");
|
|
}
|
|
if($data) {
|
|
header("Content-type: text/html");
|
|
print $data;
|
|
exit;
|
|
}
|
|
}
|
|
|
|
if(CACHE_DIR) {
|
|
$_cache_hash = md5($_SERVER["QUERY_STRING"]);
|
|
$ab = substr($_cache_hash, 0, 2);
|
|
$cd = substr($_cache_hash, 2, 2);
|
|
$_cache_filename = "data/http_cache/$ab/$cd/$_cache_hash";
|
|
|
|
if(!file_exists(dirname($_cache_filename))) {
|
|
mkdir(dirname($_cache_filename), 0750, true);
|
|
}
|
|
if(file_exists($_cache_filename) && (filemtime($_cache_filename) > time() - 3600)) {
|
|
$gmdate_mod = gmdate('D, d M Y H:i:s', filemtime($_cache_filename)) . ' GMT';
|
|
|
|
if(isset($_SERVER["HTTP_IF_MODIFIED_SINCE"])) {
|
|
$if_modified_since = preg_replace('/;.*$/', '', $_SERVER["HTTP_IF_MODIFIED_SINCE"]);
|
|
|
|
if($if_modified_since == $gmdate_mod) {
|
|
header("HTTP/1.0 304 Not Modified");
|
|
header("Content-type: text/html");
|
|
exit;
|
|
}
|
|
}
|
|
else {
|
|
header("Content-type: text/html");
|
|
header('Last-Modified: '.$gmdate_mod);
|
|
$zdata = @file_get_contents($_cache_filename);
|
|
if(CACHE_MEMCACHE) {
|
|
$_cache_memcache->set($_cache_hash, $zdata, 0, 600);
|
|
}
|
|
$data = @gzuncompress($zdata);
|
|
if($data) {
|
|
print $data;
|
|
exit;
|
|
}
|
|
}
|
|
}
|
|
ob_start();
|
|
}
|
|
}
|
|
}
|
|
|
|
function _end_cache() {
|
|
global $_cache_memcache, $_cache_key, $_cache_filename;
|
|
|
|
if(_cache_active()) {
|
|
$data = ob_get_contents();
|
|
if(CACHE_MEMCACHE) {
|
|
$_cache_memcache->set($_cache_key, $data, 0, 600);
|
|
}
|
|
if(CACHE_DIR) {
|
|
$zdata = gzcompress($data, 2);
|
|
file_put_contents($_cache_filename, $zdata);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
|
|
* Code coverage *
|
|
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
function _start_coverage() {
|
|
if(function_exists("xdebug_start_code_coverage")) {
|
|
#xdebug_start_code_coverage(XDEBUG_CC_UNUSED|XDEBUG_CC_DEAD_CODE);
|
|
xdebug_start_code_coverage(XDEBUG_CC_UNUSED);
|
|
}
|
|
}
|
|
|
|
function _end_coverage() {
|
|
if(function_exists("xdebug_get_code_coverage")) {
|
|
// Absolute path is necessary because working directory
|
|
// inside register_shutdown_function is unpredictable.
|
|
$absolute_path = dirname(dirname(__FILE__)) . "/data/coverage";
|
|
if(!file_exists($absolute_path)) mkdir($absolute_path);
|
|
$n = 0;
|
|
$t = time();
|
|
while(file_exists("$absolute_path/$t.$n.log")) $n++;
|
|
file_put_contents("$absolute_path/$t.$n.log", serialize(xdebug_get_code_coverage()));
|
|
}
|
|
}
|
|
?>
|