971 lines
23 KiB
PHP
971 lines
23 KiB
PHP
<?php
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require_once "lib/recaptchalib.php";
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require_once "lib/securimage/securimage.php";
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
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* Input / Output Sanitising *
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\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/**
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* Make some data safe for printing into HTML
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*
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* @retval string
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*/
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function html_escape($input) {
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return htmlentities($input, ENT_QUOTES, "UTF-8");
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}
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/**
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* Make sure some data is safe to be used in integer context
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*
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* @retval int
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*/
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function int_escape($input) {
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return (int)$input;
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}
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/**
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* Make sure some data is safe to be used in URL context
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*
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* @retval string
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*/
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function url_escape($input) {
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$input = str_replace('^', '^^', $input);
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$input = str_replace('/', '^s', $input);
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$input = rawurlencode($input);
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return $input;
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}
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/**
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* Make sure some data is safe to be used in SQL context
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*
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* @retval string
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*/
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function sql_escape($input) {
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global $database;
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return $database->db->Quote($input);
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}
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/**
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* Turn a human readable filesize into an integer, eg 1KB -> 1024
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*
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* @retval int
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*/
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function parse_shorthand_int($limit) {
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if(is_numeric($limit)) {
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return (int)$limit;
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}
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if(preg_match('/^([\d\.]+)([gmk])?b?$/i', "$limit", $m)) {
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$value = $m[1];
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if (isset($m[2])) {
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switch(strtolower($m[2])) {
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case 'g': $value *= 1024; # fallthrough
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case 'm': $value *= 1024; # fallthrough
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case 'k': $value *= 1024; break;
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default: $value = -1;
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}
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}
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return (int)$value;
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} else {
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return -1;
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}
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}
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/**
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* Turn an integer into a human readable filesize, eg 1024 -> 1KB
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*
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* @retval string
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*/
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function to_shorthand_int($int) {
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if($int >= pow(1024, 3)) {
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return sprintf("%.1fGB", $int / pow(1024, 3));
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}
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else if($int >= pow(1024, 2)) {
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return sprintf("%.1fMB", $int / pow(1024, 2));
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}
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else if($int >= 1024) {
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return sprintf("%.1fKB", $int / 1024);
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}
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else {
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return "$int";
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}
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}
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/**
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* Turn a date into a time, a date, an "X minutes ago...", etc
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*
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* @retval string
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*/
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function autodate($date, $html=true) {
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global $config;
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$format = $config->get_string('autodate_format', "F j, Y");
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$seconds = time() - strtotime($date);
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$ago = seconds_to_time($seconds) . " ago";
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$on = "on " . date($format, strtotime($date));
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if($config->get_bool('use_autodate', true)) {
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return ($html ? "<span title='$on'>$ago</span>" : $ago);
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}
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else {
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return $on;
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}
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}
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/**
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* Turn a number of seconds into a vague human timespan, eg 142 -> "2 minutes"
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*
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* @retval string
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*/
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function seconds_to_time($seconds) {
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if($seconds<60) return $seconds . " second" . plural($seconds); $seconds = round($seconds/60);
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if($seconds<60) return $seconds . " minute" . plural($seconds); $seconds = round($seconds/60);
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if($seconds<24) return $seconds . " hour" . plural($seconds); $seconds = round($seconds/24);
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if($seconds<7) return $seconds . " day" . plural($seconds); $seconds = round($seconds/7);
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if($seconds<4) return $seconds . " week" . plural($seconds); $seconds = round($seconds/4);
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if($seconds<12) return $seconds . " month" . plural($seconds); $seconds = round($seconds/12);
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return $seconds . " year" . plural($seconds);
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}
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/**
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* Return a pluraliser if necessary
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*
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* @retval string
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*/
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function plural($num, $single_form="", $plural_form="s") {
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return ($num == 1) ? $single_form : $plural_form;
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}
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/**
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* Different databases have different ways to represent booleans; this
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* will try and standardise them
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*/
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function undb_bool($val) {
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if($val === true || $val == 'Y' || $val == 'y' || $val == 'T' || $val == 't' || $val === 1) return true;
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if($val === false || $val == 'N' || $val == 'n' || $val == 'F' || $val == 'f' || $val === 0) return false;
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}
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
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* HTML Generation *
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\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/**
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* Figure out the correct way to link to a page, taking into account
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* things like the nice URLs setting.
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*
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* eg make_link("post/list") becomes "/v2/index.php?q=post/list"
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*
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* @retval string
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*/
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function make_link($page=null, $query=null) {
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global $config;
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if(is_null($page)) $page = $config->get_string('main_page');
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if($config->get_bool('nice_urls', false)) {
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#$full = "http://" . $_SERVER["SERVER_NAME"] . $_SERVER["PHP_SELF"];
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$full = $_SERVER["PHP_SELF"];
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$base = str_replace("/index.php", "", $full);
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}
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else {
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$base = "./index.php?q=";
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}
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if(is_null($query)) {
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return str_replace("//", "/", "$base/$page");
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}
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else {
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if(strpos($base, "?")) {
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return "$base/$page&$query";
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}
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else {
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return "$base/$page?$query";
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}
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}
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}
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/**
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* Turn a relative link into an absolute one, including hostname
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*
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* @retval string
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*/
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function make_http($link) {
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if(strpos($link, "ttp://") > 0) return $link;
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if(strlen($link) > 0 && $link[0] != '/') $link = get_base_href().'/'.$link;
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$link = "http://".$_SERVER["HTTP_HOST"].$link;
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$link = str_replace("/./", "/", $link);
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return $link;
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}
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/**
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* Make a link to a static file in the current theme's
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* directory
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*/
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function theme_file($filepath) {
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global $config;
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$theme = $config->get_string("theme","default");
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return make_link("themes/$theme/$filepath");
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}
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
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* CAPTCHA abstraction *
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\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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function captcha_get_html() {
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global $config, $user;
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if(DEBUG && ip_in_range($_SERVER['REMOTE_ADDR'], "127.0.0.0/8")) return "";
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$captcha = "";
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if($user->is_anonymous()) {
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$rpk = $config->get_string("api_recaptcha_pubkey");
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if(!empty($rpk)) {
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$captcha = recaptcha_get_html($rpk);
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}
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else {
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session_start();
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$securimg = new Securimage();
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$base = get_base_href();
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$captcha = "<br/><img src='$base/lib/securimage/securimage_show.php?sid=". md5(uniqid(time())) ."'>".
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"<br/>CAPTCHA: <input type='text' name='code' value='' />";
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}
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}
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return $captcha;
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}
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function captcha_check() {
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global $config, $user;
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if(DEBUG && ip_in_range($_SERVER['REMOTE_ADDR'], "127.0.0.0/8")) return true;
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if($user->is_anonymous()) {
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$rpk = $config->get_string('api_recaptcha_privkey');
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if(!empty($rpk)) {
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$resp = recaptcha_check_answer(
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$rpk,
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$_SERVER["REMOTE_ADDR"],
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$_POST["recaptcha_challenge_field"],
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$_POST["recaptcha_response_field"]);
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if(!$resp->is_valid) {
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log_info("core", "Captcha failed (ReCaptcha): " . $resp->error);
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return false;
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}
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}
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else {
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session_start();
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$securimg = new Securimage();
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if($securimg->check($_POST['code']) == false) {
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log_info("core", "Captcha failed (Securimage)");
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return false;
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}
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}
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}
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return true;
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}
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
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* Misc *
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\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/**
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* @private
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*/
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function _version_check() {
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if(version_compare(PHP_VERSION, "5.0.0") == -1) {
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print "
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Currently SCore Engine doesn't support versions of PHP lower than 5.0.0 --
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PHP4 and earlier are officially dead according to their creators,
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please tell your host to upgrade.
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";
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exit;
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}
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}
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/**
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* @private
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*/
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function check_cli() {
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if(isset($_SERVER['REMOTE_ADDR'])) {
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print "This script is to be run from the command line only.";
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exit;
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}
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$_SERVER['REMOTE_ADDR'] = "127.0.0.1";
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}
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/**
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* $db is the connection object
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*
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* @private
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*/
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function _count_execs($db, $sql, $inputarray) {
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global $_execs;
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if(DEBUG) {
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$fp = @fopen("data/sql.log", "a");
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if($fp) {
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if(is_array($inputarray)) {
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fwrite($fp, preg_replace('/\s+/msi', ' ', $sql)." -- ".join(", ", $inputarray)."\n");
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}
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else {
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fwrite($fp, preg_replace('/\s+/msi', ' ', $sql)."\n");
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}
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fclose($fp);
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}
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else {
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log_error("core", "failed to open sql.log for appending");
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}
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}
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if (!is_array($inputarray)) $_execs++;
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# handle 2-dimensional input arrays
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else if (is_array(reset($inputarray))) $_execs += sizeof($inputarray);
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else $_execs++;
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# in PHP4.4 and PHP5, we need to return a value by reference
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$null = null; return $null;
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}
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/**
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* Find the theme object for a given extension
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*/
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function get_theme_object(Extension $class, $fatal=true) {
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$base = get_class($class);
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if(class_exists("Custom{$base}Theme")) {
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$class = "Custom{$base}Theme";
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return new $class();
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}
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elseif ($fatal || class_exists("{$base}Theme")) {
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$class = "{$base}Theme";
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return new $class();
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} else {
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return false;
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}
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}
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/**
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* Compare two Block objects, used to sort them before being displayed
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*
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* @retval int
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*/
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function blockcmp(Block $a, Block $b) {
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if($a->position == $b->position) {
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return 0;
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}
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else {
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return ($a->position > $b->position);
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}
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}
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/**
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* Figure out PHP's internal memory limit
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*
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* @retval int
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*/
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function get_memory_limit() {
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global $config;
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// thumbnail generation requires lots of memory
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$default_limit = 8*1024*1024;
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$shimmie_limit = parse_shorthand_int($config->get_int("thumb_mem_limit"));
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if($shimmie_limit < 3*1024*1024) {
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// we aren't going to fit, override
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$shimmie_limit = $default_limit;
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}
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ini_set("memory_limit", $shimmie_limit);
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$memory = parse_shorthand_int(ini_get("memory_limit"));
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// changing of memory limit is disabled / failed
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if($memory == -1) {
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$memory = $default_limit;
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}
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assert($memory > 0);
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return $memory;
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}
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/**
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* Get the currently active IP, masked to make it not change when the last
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* octet or two change, for use in session cookies and such
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*
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* @retval string
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*/
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function get_session_ip($config) {
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$mask = $config->get_string("session_hash_mask", "255.255.0.0");
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$addr = $_SERVER['REMOTE_ADDR'];
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$addr = inet_ntop(inet_pton($addr) & inet_pton($mask));
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return $addr;
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}
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/**
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* similar to $_COOKIE[$name], but $name has the site-wide cookie
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* prefix prepended to it, eg username -> shm_username, to prevent
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* conflicts from multiple installs within one domain.
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*/
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function get_prefixed_cookie($name) {
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global $config;
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$full_name = COOKIE_PREFIX."_".$name;
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if(isset($_COOKIE[$full_name])) {
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return $_COOKIE[$full_name];
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}
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else {
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return null;
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}
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}
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/**
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* The counterpart for get_prefixed_cookie, this works like php's
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* setcookie method, but prepends the site-wide cookie prefix to
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* the $name argument before doing anything.
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*/
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function set_prefixed_cookie($name, $value, $time, $path) {
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global $config;
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$full_name = $config->get_string('cookie_prefix','shm')."_".$name;
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setcookie($full_name, $value, $time, $path);
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}
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/**
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* Figure out the path to the shimmie install root.
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*
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* PHP really, really sucks.
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*
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* @retval string
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*/
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function get_base_href() {
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$possible_vars = array('SCRIPT_NAME', 'PHP_SELF', 'PATH_INFO', 'ORIG_PATH_INFO');
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$ok_var = null;
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foreach($possible_vars as $var) {
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if(substr($_SERVER[$var], -4) == '.php') {
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$ok_var = $_SERVER[$var];
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break;
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}
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}
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assert(!empty($ok_var));
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$dir = dirname($ok_var);
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if($dir == "/" || $dir == "\\") $dir = "";
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return $dir;
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}
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|
|
/**
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|
* A shorthand way to send a TextFormattingEvent and get the
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* results
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|
*
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* @retval string
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*/
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function format_text($string) {
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$tfe = new TextFormattingEvent($string);
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send_event($tfe);
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return $tfe->formatted;
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}
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|
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function warehouse_path($base, $hash) {
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$ab = substr($hash, 0, 2);
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return "$base/$ab/$hash";
|
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}
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
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|
* Logging convenience *
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|
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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|
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define("SCORE_LOG_CRITICAL", 50);
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define("SCORE_LOG_ERROR", 40);
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define("SCORE_LOG_WARNING", 30);
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define("SCORE_LOG_INFO", 20);
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define("SCORE_LOG_DEBUG", 10);
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define("SCORE_LOG_NOTSET", 0);
|
|
|
|
/**
|
|
* A shorthand way to send a LogEvent
|
|
*/
|
|
function log_msg($section, $priority, $message) {
|
|
send_event(new LogEvent($section, $priority, $message));
|
|
}
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|
|
|
function log_debug($section, $message) {log_msg($section, SCORE_LOG_DEBUG, $message);}
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|
function log_info($section, $message) {log_msg($section, SCORE_LOG_INFO, $message);}
|
|
function log_warning($section, $message) {log_msg($section, SCORE_LOG_WARNING, $message);}
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|
function log_error($section, $message) {log_msg($section, SCORE_LOG_ERROR, $message);}
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function log_critical($section, $message) {log_msg($section, SCORE_LOG_CRITICAL, $message);}
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|
|
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
|
|
* Things which should be in the core API *
|
|
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
/**
|
|
* Remove an item from an array
|
|
*
|
|
* @retval array
|
|
*/
|
|
function array_remove($array, $to_remove) {
|
|
$array = array_unique($array);
|
|
$a2 = array();
|
|
foreach($array as $existing) {
|
|
if($existing != $to_remove) {
|
|
$a2[] = $existing;
|
|
}
|
|
}
|
|
return $a2;
|
|
}
|
|
|
|
/**
|
|
* Add an item to an array
|
|
*
|
|
* @retval array
|
|
*/
|
|
function array_add($array, $element) {
|
|
$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) {
|
|
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) {
|
|
global $_event_listeners;
|
|
while(isset($_event_listeners[$pos])) {
|
|
$pos++;
|
|
}
|
|
$_event_listeners[$pos] = $extension;
|
|
}
|
|
|
|
/** @private */
|
|
$_event_count = 0;
|
|
|
|
/**
|
|
* Send an event to all registered Extensions
|
|
*/
|
|
function send_event(Event $event) {
|
|
global $_event_listeners, $_event_count;
|
|
$my_event_listeners = $_event_listeners; // http://bugs.php.net/bug.php?id=35106
|
|
ksort($my_event_listeners);
|
|
foreach($my_event_listeners as $listener) {
|
|
$listener->receive_event($event);
|
|
}
|
|
$_event_count++;
|
|
}
|
|
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
|
|
* Debugging functions *
|
|
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
function get_debug_info() {
|
|
global $config, $_event_count;
|
|
|
|
if(function_exists('memory_get_usage')) {
|
|
$i_mem = sprintf("%5.2f", ((memory_get_usage()+512)/1024)/1024);
|
|
}
|
|
else {
|
|
$i_mem = "???";
|
|
}
|
|
if(function_exists('getrusage')) {
|
|
$ru = getrusage();
|
|
$i_utime = sprintf("%5.2f", ($ru["ru_utime.tv_sec"]*1e6+$ru["ru_utime.tv_usec"])/1000000);
|
|
$i_stime = sprintf("%5.2f", ($ru["ru_stime.tv_sec"]*1e6+$ru["ru_stime.tv_usec"])/1000000);
|
|
}
|
|
else {
|
|
$i_utime = "???";
|
|
$i_stime = "???";
|
|
}
|
|
$i_files = count(get_included_files());
|
|
global $_execs;
|
|
global $database;
|
|
$hits = $database->cache->get_hits();
|
|
$miss = $database->cache->get_misses();
|
|
$debug = "<br>Took $i_utime + $i_stime seconds and {$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";
|
|
|
|
return $debug;
|
|
}
|
|
|
|
// print_obj ($object, $title, $return)
|
|
function print_obj($object,$title="Object Information", $return=false) {
|
|
global $user;
|
|
if(DEBUG && isset($_GET['debug']) && $user->is_admin()) {
|
|
$pr = print_r($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");
|
|
}
|
|
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
|
|
* Request initialisation stuff *
|
|
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
/** @privatesection */
|
|
|
|
function _stripslashes_r($arr) {
|
|
return is_array($arr) ? array_map('_stripslashes_r', $arr) : stripslashes($arr);
|
|
}
|
|
|
|
function _sanitise_environment() {
|
|
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);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Turn ^^ into ^ and ^s into /
|
|
*
|
|
* Necessary because various servers and various clients
|
|
* think that / is special...
|
|
*/
|
|
function _decaret($str) {
|
|
$out = "";
|
|
for($i=0; $i<strlen($str); $i++) {
|
|
if($str[$i] == "^") {
|
|
$i++;
|
|
if($str[$i] == "^") $out .= "^";
|
|
if($str[$i] == "s") $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;
|
|
$args = _get_query_parts();
|
|
|
|
if(count($args) == 0 || strlen($args[0]) == 0) {
|
|
$args = split('/', $config->get_string('front_page'));
|
|
}
|
|
|
|
return new PageRequestEvent($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_hash = null;
|
|
$_cache_memcache = false;
|
|
$_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_hash, $_cache_memcache, $_cache_filename;
|
|
|
|
if(_cache_active()) {
|
|
$_cache_hash = md5($_SERVER["QUERY_STRING"]);
|
|
|
|
if(CACHE_MEMCACHE) {
|
|
$_cache_memcache = new Memcache;
|
|
$_cache_memcache->pconnect('localhost', 11211);
|
|
$zdata = $_cache_memcache->get($_cache_hash);
|
|
if(DEBUG) {
|
|
$stat = $zdata ? "hit" : "miss";
|
|
_cache_log(time() . " " . $_cache_hash . sprintf(" %-12s ", $stat) . $_SERVER["QUERY_STRING"] . "\n");
|
|
}
|
|
if($zdata) {
|
|
header("Content-type: text/html");
|
|
$data = @gzuncompress($zdata);
|
|
if($data) {
|
|
print $data;
|
|
exit;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(CACHE_DIR) {
|
|
$ab = substr($_cache_hash, 0, 2);
|
|
$cd = substr($_cache_hash, 2, 2);
|
|
$_cache_filename = "data/$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_hash, $_cache_memcache, $_cache_filename;
|
|
|
|
if(_cache_active()) {
|
|
$data = gzcompress(ob_get_contents(), 9);
|
|
if(CACHE_MEMCACHE) {
|
|
$_cache_memcache->set($_cache_hash, $data, 0, 600);
|
|
}
|
|
if(CACHE_DIR) {
|
|
file_put_contents($_cache_filename, $data);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
|
|
* 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")) {
|
|
if(!file_exists("data/coverage")) mkdir("data/coverage");
|
|
$n = 0;
|
|
$t = time();
|
|
while(file_exists("data/coverage/$t.$n.log")) $n++;
|
|
file_put_contents("data/coverage/$t.$n.log", serialize(xdebug_get_code_coverage()));
|
|
}
|
|
}
|
|
?>
|