1449 lines
		
	
	
		
			37 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			1449 lines
		
	
	
		
			37 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
 | |
| require_once "lib/recaptchalib.php";
 | |
| require_once "lib/securimage/securimage.php";
 | |
| require_once "lib/context.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) {
 | |
| 	/*
 | |
| 		Shish: I have a feeling that these three lines are important, possibly for searching for tags with slashes in them like fate/stay_night
 | |
| 		green-ponies: indeed~
 | |
| 
 | |
| 	$input = str_replace('^', '^^', $input);
 | |
| 	$input = str_replace('/', '^s', $input);
 | |
| 	$input = str_replace('\\', '^b', $input);
 | |
| 
 | |
| 	/* The function idn_to_ascii is used to support Unicode domains / URLs as well.
 | |
| 	   See here for more:  http://php.net/manual/en/function.filter-var.php
 | |
| 	   However, it is only supported by PHP version 5.3 and up
 | |
| 
 | |
| 	if (function_exists('idn_to_ascii')) {
 | |
| 			return filter_var(idn_to_ascii($input), FILTER_SANITIZE_URL);
 | |
| 	} else {
 | |
| 			return filter_var($input, FILTER_SANITIZE_URL);
 | |
| 	}
 | |
| 	*/
 | |
| 	if(is_null($input)) {
 | |
| 		return "";
 | |
| 	}
 | |
| 	$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 $database->escape($input);
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * Turn all manner of HTML / INI / JS / DB booleans into a PHP one
 | |
|  *
 | |
|  * @retval boolean
 | |
|  */
 | |
| function bool_escape($input) {
 | |
| 	/*
 | |
| 	 Sometimes, I don't like PHP -- this, is one of those times...
 | |
| 	  "a boolean FALSE is not considered a valid boolean value by this function."
 | |
| 	 Yay for Got'chas!	
 | |
| 	 http://php.net/manual/en/filter.filters.validate.php
 | |
| 	*/
 | |
| 	if (is_bool($input)) {
 | |
| 		return $input;
 | |
| 	} else if (is_numeric($input)) {
 | |
| 		return ($input === 1);
 | |
| 	} else {
 | |
| 		$value = filter_var($input, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);
 | |
| 		if (!is_null($value)) {
 | |
| 			return $value;
 | |
| 		} else {
 | |
| 			$input = strtolower( trim($input) );
 | |
| 			return (
 | |
| 				$input === "y" ||
 | |
| 				$input === "yes" ||
 | |
| 				$input === "t" ||
 | |
| 				$input === "true" ||
 | |
| 				$input === "on" ||
 | |
| 				$input === "1"
 | |
| 			);
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Some functions require a callback function for escaping,
 | |
|  * but we might not want to alter the data
 | |
|  *
 | |
|  * @retval string
 | |
|  */
 | |
| function no_escape($input) {
 | |
| 	return $input;
 | |
| }
 | |
| 
 | |
| function xml_tag($name, $attrs=array(), $children=array()) {
 | |
| 	$xml = "<$name ";
 | |
| 	foreach($attrs as $k => $v) {
 | |
| 		$xv = str_replace(''', ''', htmlspecialchars($v, ENT_QUOTES));
 | |
| 		$xml .= "$k=\"$xv\" ";
 | |
| 	}
 | |
| 	if(count($children) > 0) {
 | |
| 		$xml .= ">\n";
 | |
| 		foreach($children as $child) {
 | |
| 			$xml .= xml_tag($child);
 | |
| 		}
 | |
| 		$xml .= "</$name>\n";
 | |
| 	}
 | |
| 	else {
 | |
| 		$xml .= "/>\n";
 | |
| 	}
 | |
| 	return $xml;
 | |
| }
 | |
| 
 | |
| // Original PHP code by Chirp Internet: www.chirp.com.au
 | |
| // Please acknowledge use of this code by including this header.
 | |
| function truncate($string, $limit, $break=" ", $pad="...") {
 | |
| 	// return with no change if string is shorter than $limit
 | |
| 	if(strlen($string) <= $limit) return $string;
 | |
| 
 | |
| 	// is $break present between $limit and the end of the string?
 | |
| 	if(false !== ($breakpoint = strpos($string, $break, $limit))) {
 | |
| 		if($breakpoint < strlen($string) - 1) {
 | |
| 			$string = substr($string, 0, $breakpoint) . $pad;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return $string;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Turn a human readable filesize into an integer, eg 1KB -> 1024
 | |
|  *
 | |
|  * @retval int
 | |
|  */
 | |
| function parse_shorthand_int($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], $matches[1])) {
 | |
| 			return true;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return false;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Give a HTML string which shows an IP (if the user is allowed to see IPs),
 | |
|  * and a link to ban that IP (if the user is allowed to ban IPs)
 | |
|  *
 | |
|  * FIXME: also check that IP ban ext is installed
 | |
|  *
 | |
|  * @retval string
 | |
|  */
 | |
| function show_ip($ip, $ban_reason) {
 | |
| 	global $user;
 | |
| 	$u_reason = url_escape($ban_reason);
 | |
| 	$u_end = url_escape("+1 week");
 | |
| 	$ban = $user->can("ban_ip") ? ", <a href='".make_link("ip_ban/list", "ip=$ip&reason=$u_reason&end=$u_end#add")."'>Ban</a>" : "";
 | |
| 	$ip = $user->can("view_ip") ? $ip.$ban : "";
 | |
| 	return $ip;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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 $link;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Make a form tag with relevant auth token and stuff
 | |
|  *
 | |
|  * @retval string
 | |
|  */
 | |
| function make_form($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;
 | |
| }
 | |
| 
 | |
| function mtimefile($file) {
 | |
| 	$data_href = get_base_href();
 | |
| 	$mtime = filemtime($file);
 | |
| 	return "$data_href/$file?$mtime";
 | |
| }
 | |
| 
 | |
| function get_theme() {
 | |
| 	global $config;
 | |
| 	$theme = $config->get_string("theme", "default");
 | |
| 	if(!file_exists("themes/$theme")) $theme = "default";
 | |
| 	return $theme;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * like glob, with support for matching very long patterns with braces
 | |
|  */
 | |
| function zglob($pattern) {
 | |
| 	$results = array();
 | |
| 	if(preg_match('/(.*)\{(.*)\}(.*)/', $pattern, $matches)) {
 | |
| 		$braced = explode(",", $matches[2]);
 | |
| 		foreach($braced as $b) {
 | |
| 			$sub_pattern = $matches[1].$b.$matches[3];
 | |
| 			$results = array_merge($results, zglob($sub_pattern));
 | |
| 		}
 | |
| 		return $results;
 | |
| 	}
 | |
| 	else {
 | |
| 		$r = glob($pattern);
 | |
| 		if($r) return $r;
 | |
| 		else return array();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| 
 | |
| /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
 | |
| * 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")) {
 | |
| 		$r_publickey = $config->get_string("api_recaptcha_pubkey");
 | |
| 		if(!empty($r_publickey)) {
 | |
| 			$captcha = recaptcha_get_html($r_publickey);
 | |
| 		}
 | |
| 		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")) {
 | |
| 		$r_privatekey = $config->get_string('api_recaptcha_privkey');
 | |
| 		if(!empty($r_privatekey)) {
 | |
| 			$resp = recaptcha_check_answer(
 | |
| 				$r_privatekey,
 | |
| 				$_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($_POST['code']) == false) {
 | |
| 				log_info("core", "Captcha failed (Securimage)");
 | |
| 				return false;
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return true;
 | |
| }
 | |
| 
 | |
| 
 | |
| /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
 | |
| * Misc                                                                      *
 | |
| \* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 | |
| 
 | |
| /**
 | |
| * Get MIME type for file
 | |
| *
 | |
| * The contents of this function are taken from the __getMimeType() function
 | |
| * from the "Amazon S3 PHP class" which is Copyright (c) 2008, Donovan Schönknecht
 | |
| * and released under the 'Simplified BSD License'.
 | |
| *
 | |
| * @internal Used to get mime types
 | |
| * @param string &$file File path
 | |
| * @return string
 | |
| */
 | |
| function getMimeType($file, $ext="", $list=false) {
 | |
| 
 | |
| 	// Static extension lookup
 | |
| 	$ext = strtolower($ext);
 | |
| 	static $exts = array(
 | |
| 		'jpg' => 'image/jpeg', 'gif' => 'image/gif', 'png' => 'image/png',
 | |
| 		'tif' => 'image/tiff', 'tiff' => 'image/tiff', 'ico' => 'image/x-icon',
 | |
| 		'swf' => 'application/x-shockwave-flash', 'video/x-flv' => 'flv',
 | |
| 		'svg' => 'image/svg+xml', 'pdf' => 'application/pdf',
 | |
| 		'zip' => 'application/zip', 'gz' => 'application/x-gzip',
 | |
| 		'tar' => 'application/x-tar', 'bz' => 'application/x-bzip',
 | |
| 		'bz2' => 'application/x-bzip2', 'txt' => 'text/plain',
 | |
| 		'asc' => 'text/plain', 'htm' => 'text/html', 'html' => 'text/html',
 | |
| 		'css' => 'text/css', 'js' => 'text/javascript',
 | |
| 		'xml' => 'text/xml', 'xsl' => 'application/xsl+xml',
 | |
| 		'ogg' => 'application/ogg', 'mp3' => 'audio/mpeg', 'wav' => 'audio/x-wav',
 | |
| 		'avi' => 'video/x-msvideo', 'mpg' => 'video/mpeg', 'mpeg' => 'video/mpeg',
 | |
| 		'mov' => 'video/quicktime', 'flv' => 'video/x-flv', 'php' => 'text/x-php',
 | |
| 		'mp4' => 'video/mp4', 'ogv' => 'video/ogg', 'webm' => 'video/webm'
 | |
| 	);
 | |
| 
 | |
| 	if ($list == true){ return $exts; }
 | |
| 
 | |
| 	if (isset($exts[$ext])) { return $exts[$ext]; }
 | |
| 
 | |
| 	$type = false;
 | |
| 	// Fileinfo documentation says fileinfo_open() will use the
 | |
| 	// MAGIC env var for the magic file
 | |
| 	if (extension_loaded('fileinfo') && isset($_ENV['MAGIC']) &&
 | |
| 	($finfo = finfo_open(FILEINFO_MIME, $_ENV['MAGIC'])) !== false)
 | |
| 	{
 | |
| 		if (($type = finfo_file($finfo, $file)) !== false)
 | |
| 		{
 | |
| 			// Remove the charset and grab the last content-type
 | |
| 			$type = explode(' ', str_replace('; charset=', ';charset=', $type));
 | |
| 			$type = array_pop($type);
 | |
| 			$type = explode(';', $type);
 | |
| 			$type = trim(array_shift($type));
 | |
| 		}
 | |
| 		finfo_close($finfo);
 | |
| 
 | |
| 	// If anyone is still using mime_content_type()
 | |
| 	} elseif (function_exists('mime_content_type'))
 | |
| 		$type = trim(mime_content_type($file));
 | |
| 
 | |
| 	if ($type !== false && strlen($type) > 0) return $type;
 | |
| 	
 | |
| 	return 'application/octet-stream';
 | |
| }
 | |
| 
 | |
| 
 | |
| function getExtension ($mime_type){
 | |
| 	if(empty($mime_type)){
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	$extensions = getMimeType(null, null, true);
 | |
| 	$ext = array_search($mime_type, $extensions);
 | |
| 	return ($ext ?: false);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @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 is_cli() {
 | |
| 	return (PHP_SAPI === 'cli');
 | |
| }
 | |
| 
 | |
| 
 | |
| $_execs = 0;
 | |
| /**
 | |
|  * $db is the connection object
 | |
|  *
 | |
|  * @private
 | |
|  */
 | |
| function _count_execs($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;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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;	// 8 MB of memory is PHP's default.
 | |
| 	$shimmie_limit = parse_shorthand_int($config->get_int("thumb_mem_limit"));
 | |
| 	
 | |
| 	if($shimmie_limit < 3*1024*1024) {
 | |
| 		// we aren't going to fit, override
 | |
| 		$shimmie_limit = $default_limit;
 | |
| 	}
 | |
| 	
 | |
| 	/*
 | |
| 	Get PHP's configured memory limit.
 | |
| 	Note that this is set to -1 for NO memory limit.
 | |
| 	
 | |
| 	http://ca2.php.net/manual/en/ini.core.php#ini.memory-limit
 | |
| 	*/
 | |
| 	$memory = parse_shorthand_int(ini_get("memory_limit"));
 | |
| 	
 | |
| 	if($memory == -1) {
 | |
| 		// No memory limit.
 | |
| 		// Return the larger of the set limits.
 | |
| 		return max($shimmie_limit, $default_limit);
 | |
| 	}
 | |
| 	else {
 | |
| 		// PHP has a memory limit set.
 | |
| 		if ($shimmie_limit > $memory) {
 | |
| 			// Shimmie wants more memory than what PHP is currently set for.
 | |
| 
 | |
| 			// Attempt to set PHP's memory limit.
 | |
| 			if ( ini_set("memory_limit", $shimmie_limit) === FALSE ) {
 | |
| 				/*  We can't change PHP's limit, oh well, return whatever its currently set to */
 | |
| 				return $memory;
 | |
| 			}
 | |
| 			$memory = parse_shorthand_int(ini_get("memory_limit"));
 | |
| 		}
 | |
| 
 | |
| 		// PHP's memory limit is more than Shimmie needs.
 | |
| 		return $memory; // return the current setting
 | |
| 	}
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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;
 | |
| 	$full_name = COOKIE_PREFIX."_".$name;
 | |
| 	setcookie($full_name, $value, $time, $path);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Set (or extend) a flash-message cookie
 | |
|  *
 | |
|  * This can optionally be done at the same time as saving a log message with log_*()
 | |
|  *
 | |
|  * Generally one should flash a message in onPageRequest and log a message wherever
 | |
|  * the action actually takes place (eg onWhateverElse) - but much of the time, actions
 | |
|  * are taken from within onPageRequest...
 | |
|  */
 | |
| function flash_message(/*string*/ $text, /*string*/ $type="info") {
 | |
| 	$current = get_prefixed_cookie("flash_message");
 | |
| 	if($current) {
 | |
| 		$text = $current . "\n" . $text;
 | |
| 	}
 | |
| 	# the message should be viewed pretty much immediately,
 | |
| 	# so 60s timeout should be more than enough
 | |
| 	set_prefixed_cookie("flash_message", $text, time()+60, "/");
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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);
 | |
| 	$dir = str_replace("\\", "/", $dir);
 | |
| 	$dir = str_replace("//", "/", $dir);
 | |
| 	$dir = rtrim($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 $pa;
 | |
| }
 | |
| 
 | |
| function data_path($filename) {
 | |
| 	$filename = "data/" . $filename;
 | |
| 	if(!file_exists(dirname($filename))) mkdir(dirname($filename), 0755, true);
 | |
| 	return $filename;
 | |
| }
 | |
| 
 | |
| function transload($url, $mfile) {
 | |
| 	global $config;
 | |
| 
 | |
| 	if($config->get_string("transload_engine") === "curl" && function_exists("curl_init")) {
 | |
| 		$ch = curl_init($url);
 | |
| 		$fp = fopen($mfile, "w");
 | |
| 
 | |
| 		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
 | |
| 		curl_setopt($ch, CURLOPT_VERBOSE, 1);
 | |
| 		curl_setopt($ch, CURLOPT_HEADER, 1);
 | |
| 		curl_setopt($ch, CURLOPT_REFERER, $url);
 | |
| 		curl_setopt($ch, CURLOPT_USERAGENT, "Shimmie-".VERSION);
 | |
| 		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
 | |
| 
 | |
| 		$response = curl_exec($ch);
 | |
| 
 | |
| 		$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
 | |
| 		$headers = http_parse_headers(implode("\n", preg_split('/\R/', rtrim(substr($response, 0, $header_size)))));
 | |
| 		$body = substr($response, $header_size);
 | |
| 
 | |
| 		curl_close($ch);
 | |
| 		fwrite($fp, $body);
 | |
| 		fclose($fp);
 | |
| 
 | |
| 		return $headers;
 | |
| 	}
 | |
| 
 | |
| 	if($config->get_string("transload_engine") === "wget") {
 | |
| 		$s_url = escapeshellarg($url);
 | |
| 		$s_mfile = escapeshellarg($mfile);
 | |
| 		system("wget --no-check-certificate $s_url --output-document=$s_mfile");
 | |
| 
 | |
| 		return file_exists($mfile);
 | |
| 	}
 | |
| 
 | |
| 	if($config->get_string("transload_engine") === "fopen") {
 | |
| 		$fp = @fopen($url, "r");
 | |
| 		if(!$fp) {
 | |
| 			return false;
 | |
| 		}
 | |
| 		$data = "";
 | |
| 		$length = 0;
 | |
| 		while(!feof($fp) && $length <= $config->get_int('upload_size')) {
 | |
| 			$data .= fread($fp, 8192);
 | |
| 			$length = strlen($data);
 | |
| 		}
 | |
| 		fclose($fp);
 | |
| 
 | |
| 		$fp = fopen($mfile, "w");
 | |
| 		fwrite($fp, $data);
 | |
| 		fclose($fp);
 | |
| 
 | |
| 		$headers = http_parse_headers(implode("\n", $http_response_header));
 | |
| 
 | |
| 		return $headers;
 | |
| 	}
 | |
| 
 | |
| 	return false;
 | |
| }
 | |
| 
 | |
| if (!function_exists('http_parse_headers')) { #http://www.php.net/manual/en/function.http-parse-headers.php#112917
 | |
| 	function http_parse_headers ($raw_headers){
 | |
| 		$headers = array(); // $headers = [];
 | |
| 
 | |
| 		foreach (explode("\n", $raw_headers) as $i => $h) {
 | |
| 			$h = explode(':', $h, 2);
 | |
| 
 | |
| 			if (isset($h[1])){
 | |
| 				if(!isset($headers[$h[0]])){
 | |
| 					$headers[$h[0]] = trim($h[1]);
 | |
| 				}else if(is_array($headers[$h[0]])){
 | |
| 					$tmp = array_merge($headers[$h[0]],array(trim($h[1])));
 | |
| 					$headers[$h[0]] = $tmp;
 | |
| 				}else{
 | |
| 					$tmp = array_merge(array($headers[$h[0]]),array(trim($h[1])));
 | |
| 					$headers[$h[0]] = $tmp;
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 		return $headers;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| $_included = array();
 | |
| /**
 | |
|  * Get the active contents of a .php file
 | |
|  */
 | |
| function manual_include($fname) {
 | |
| 	if(!file_exists($fname)) return;
 | |
| 
 | |
| 	global $_included;
 | |
| 	if(in_array($fname, $_included)) return;
 | |
| 	$_included[] = $fname;
 | |
| 
 | |
| 	print "$fname\n";
 | |
| 
 | |
| 	$text = file_get_contents($fname);
 | |
| 
 | |
| 	// we want one continuous file
 | |
| 	$text = str_replace('<'.'?php', '', $text);
 | |
| 	$text = str_replace('?'.'>',    '', $text);
 | |
| 
 | |
| 	// most requires are built-in, but we want /lib separately
 | |
| 	$text = str_replace('require_', '// require_', $text);
 | |
| 	$text = str_replace('// require_once "lib', 'require_once "lib', $text);
 | |
| 
 | |
| 	// @include_once is used for user-creatable config files
 | |
| 	$text = preg_replace('/@include_once "(.*)";/e', "manual_include('$1')", $text);
 | |
| 
 | |
| 	// wibble the defines for HipHop's sake
 | |
| 	$text = str_replace('function _d(', '// function _messed_d(', $text);
 | |
| 	$text = preg_replace('/_d\("(.*)", (.*)\);/', 'if(!defined("$1")) define("$1", $2);', $text);
 | |
| 
 | |
| 	return $text;
 | |
| }
 | |
| 
 | |
| 
 | |
| /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
 | |
| * 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
 | |
|  *
 | |
|  * When parsing a user request, a flash message should give info to the user
 | |
|  * When taking action, a log event should be stored by the server
 | |
|  * Quite often, both of these happen at once, hence log_*() having $flash
 | |
|  *
 | |
|  * $flash = null (default) - log to server only, no flash message
 | |
|  * $flash = true           - show the message to the user as well
 | |
|  * $flash = "some string"  - log the message, flash the string
 | |
|  */
 | |
| function log_msg(/*string*/ $section, /*int*/ $priority, /*string*/ $message, $flash=null, $args=array()) {
 | |
| 	send_event(new LogEvent($section, $priority, $message, $args));
 | |
| 	$threshold = defined("CLI_LOG_LEVEL") ? CLI_LOG_LEVEL : 0;
 | |
| 	if(is_cli() && ($priority >= $threshold)) {
 | |
| 		print date("c")." $section: $message\n";
 | |
| 	}
 | |
| 	if($flash === True) {
 | |
| 		flash_message($message);
 | |
| 	}
 | |
| 	else if(!is_null($flash)) {
 | |
| 		flash_message($flash);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| // More shorthand ways of logging
 | |
| function log_debug(   /*string*/ $section, /*string*/ $message, $flash=null, $args=array()) {log_msg($section, SCORE_LOG_DEBUG, $message, $flash, $args);}
 | |
| function log_info(    /*string*/ $section, /*string*/ $message, $flash=null, $args=array()) {log_msg($section, SCORE_LOG_INFO, $message, $flash, $args);}
 | |
| function log_warning( /*string*/ $section, /*string*/ $message, $flash=null, $args=array()) {log_msg($section, SCORE_LOG_WARNING, $message, $flash, $args);}
 | |
| function log_error(   /*string*/ $section, /*string*/ $message, $flash=null, $args=array()) {log_msg($section, SCORE_LOG_ERROR, $message, $flash, $args);}
 | |
| function log_critical(/*string*/ $section, /*string*/ $message, $flash=null, $args=array()) {log_msg($section, SCORE_LOG_CRITICAL, $message, $flash, $args);}
 | |
| 
 | |
| /**
 | |
|  * Get a unique ID for this request, useful for grouping log messages
 | |
|  */
 | |
| $_request_id = null;
 | |
| function get_request_id() {
 | |
| 	global $_request_id;
 | |
| 	if(!$_request_id) {
 | |
| 		// not completely trustworthy, as a user can spoof this
 | |
| 		if(@$_SERVER['HTTP_X_VARNISH']) {
 | |
| 			$_request_id = $_SERVER['HTTP_X_VARNISH'];
 | |
| 		}
 | |
| 		else {
 | |
| 			$_request_id = "P" . uniqid();
 | |
| 		}
 | |
| 	}
 | |
| 	return $_request_id;
 | |
| }
 | |
| 
 | |
| 
 | |
| /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
 | |
| * Things which should be in the core API                                    *
 | |
| \* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 | |
| 
 | |
| /**
 | |
|  * Remove an item from an array
 | |
|  *
 | |
|  * @retval array
 | |
|  */
 | |
| function array_remove($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);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| 
 | |
| /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
 | |
| * Event API                                                                 *
 | |
| \* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 | |
| 
 | |
| /** @private */
 | |
| $_event_listeners = array();
 | |
| 
 | |
| /**
 | |
|  * Register an Extension
 | |
|  */
 | |
| function add_event_listener(Extension $extension, $pos=50, $events=array()) {
 | |
| 	global $_event_listeners;
 | |
| 	$pos *= 100;
 | |
| 	foreach($events as $event) {
 | |
| 		while(isset($_event_listeners[$event][$pos])) {
 | |
| 			$pos += 1;
 | |
| 		}
 | |
| 		$_event_listeners[$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;
 | |
| 
 | |
| 	$i_mem = sprintf("%5.2f", ((memory_get_peak_usage(true)+512)/1024)/1024);
 | |
| 
 | |
| 	if($config->get_string("commit_hash", "unknown") == "unknown"){
 | |
| 		$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 $debug;
 | |
| }
 | |
| 
 | |
| 
 | |
| /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
 | |
| * Request initialisation stuff                                              *
 | |
| \* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 | |
| 
 | |
| /** @privatesection */
 | |
| 
 | |
| function _stripslashes_r($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);
 | |
| 	}
 | |
| 
 | |
| 	if(CONTEXT) {
 | |
| 		ctx_set_log(CONTEXT);
 | |
| 		ctx_log_start(@$_SERVER["REQUEST_URI"], true, true);
 | |
| 	}
 | |
| 
 | |
| 	if(COVERAGE) {
 | |
| 		_start_coverage();
 | |
| 		register_shutdown_function("_end_coverage");
 | |
| 	}
 | |
| 
 | |
| 	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);
 | |
| 	}
 | |
| 
 | |
| 	if(is_cli()) {
 | |
| 		if(isset($_SERVER['REMOTE_ADDR'])) {
 | |
| 			die("CLI with remote addr? Confused, not taking the risk.");
 | |
| 		}
 | |
| 		$_SERVER['REMOTE_ADDR'] = "0.0.0.0";
 | |
| 		$_SERVER['HTTP_HOST'] = "<cli command>";
 | |
| 	}
 | |
| }
 | |
| 
 | |
| function _get_themelet_files($_theme) {
 | |
| 	if(file_exists('themes/'.$_theme.'/custompage.class.php')) $base_themelets[] = 'themes/'.$_theme.'/custompage.class.php';
 | |
| 	$base_themelets[] = 'themes/'.$_theme.'/layout.class.php';
 | |
| 	$base_themelets[] = 'themes/'.$_theme.'/themelet.class.php';
 | |
| 
 | |
| 	$ext_themelets = zglob("ext/{".ENABLED_EXTS."}/theme.php");
 | |
| 	$custom_themelets = zglob('themes/'.$_theme.'/{'.ENABLED_EXTS.'}.theme.php');
 | |
| 
 | |
| 	return array_merge($base_themelets, $ext_themelets, $custom_themelets);
 | |
| }
 | |
| 
 | |
| function _set_event_listeners($classes) {
 | |
| 	global $_event_listeners;
 | |
| 	$_event_listeners = array();
 | |
| 
 | |
| 	foreach($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(), $my_events);
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| function _dump_event_listeners($event_listeners, $path) {
 | |
| 	$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";
 | |
| 
 | |
| 	$p .= "?".">";
 | |
| 	file_put_contents($path, $p);
 | |
| }
 | |
| 
 | |
| function _load_extensions() {
 | |
| 	global $_event_listeners;
 | |
| 
 | |
| 	ctx_log_start("Loading extensions");
 | |
| 
 | |
| 	if(COMPILE_ELS && file_exists("data/cache/event_listeners.php")) {
 | |
| 		require_once("data/cache/event_listeners.php");
 | |
| 	}
 | |
| 	else {
 | |
| 		_set_event_listeners(get_declared_classes());
 | |
| 
 | |
| 		if(COMPILE_ELS) {
 | |
| 			_dump_event_listeners($_event_listeners, data_path("cache/event_listeners.php"));
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	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($e->getTrace());
 | |
| 
 | |
| 	//$hash = exec("git rev-parse HEAD");
 | |
| 	//$h_hash = $hash ? "<p><b>Hash:</b> $hash" : "";
 | |
| 	//'.$h_hash.'
 | |
| 
 | |
| 	header("HTTP/1.0 500 Internal Error");
 | |
| 	echo '
 | |
| <html>
 | |
| 	<head>
 | |
| 		<title>Internal error - SCore-'.$version.'</title>
 | |
| 	</head>
 | |
| 	<body>
 | |
| 		<h1>Internal Error</h1>
 | |
| 		<p><b>Message:</b> '.$message.'
 | |
| 		<p><b>Version:</b> '.$version.'
 | |
| 	</body>
 | |
| </html>
 | |
| ';
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Turn ^^ into ^ and ^s into /
 | |
|  *
 | |
|  * Necessary because various servers and various clients
 | |
|  * think that / is special...
 | |
|  */
 | |
| function _decaret($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_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;
 | |
| }
 | |
| 
 | |
| 
 | |
| /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
 | |
| * 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", gzdeflate(serialize(xdebug_get_code_coverage())));
 | |
| 	}
 | |
| }
 | |
| ?>
 |