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breaking up boot file (part of zot refactor)

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Friendika 2011-08-01 16:51:01 -07:00
parent e76990ae7b
commit 8b31ff15f5
6 changed files with 2013 additions and 1990 deletions
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1966
boot.php
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205
include/config.php Normal file
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<?php
// retrieve a "family" of config variables from database to cached storage
if(! function_exists('load_config')) {
function load_config($family) {
global $a;
$r = q("SELECT * FROM `config` WHERE `cat` = '%s'",
dbesc($family)
);
if(count($r)) {
foreach($r as $rr) {
$k = $rr['k'];
if ($rr['cat'] === 'config') {
$a->config[$k] = $rr['v'];
} else {
$a->config[$family][$k] = $rr['v'];
}
}
}
}}
// get a particular config variable given the family name
// and key. Returns false if not set.
// $instore is only used by the set_config function
// to determine if the key already exists in the DB
// If a key is found in the DB but doesn't exist in
// local config cache, pull it into the cache so we don't have
// to hit the DB again for this item.
if(! function_exists('get_config')) {
function get_config($family, $key, $instore = false) {
global $a;
if(! $instore) {
if(isset($a->config[$family][$key])) {
if($a->config[$family][$key] === '!<unset>!') {
return false;
}
return $a->config[$family][$key];
}
}
$ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
dbesc($family),
dbesc($key)
);
if(count($ret)) {
// manage array value
$val = (preg_match("|^a:[0-9]+:{.*}$|", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
$a->config[$family][$key] = $val;
return $val;
}
else {
$a->config[$family][$key] = '!<unset>!';
}
return false;
}}
// Store a config value ($value) in the category ($family)
// under the key ($key)
// Return the value, or false if the database update failed
if(! function_exists('set_config')) {
function set_config($family,$key,$value) {
global $a;
// manage array value
$dbvalue = (is_array($value)?serialize($value):$value);
if(get_config($family,$key,true) === false) {
$a->config[$family][$key] = $value;
$ret = q("INSERT INTO `config` ( `cat`, `k`, `v` ) VALUES ( '%s', '%s', '%s' ) ",
dbesc($family),
dbesc($key),
dbesc($dbvalue)
);
if($ret)
return $value;
return $ret;
}
$ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
dbesc($dbvalue),
dbesc($family),
dbesc($key)
);
$a->config[$family][$key] = $value;
if($ret)
return $value;
return $ret;
}}
if(! function_exists('load_pconfig')) {
function load_pconfig($uid,$family) {
global $a;
$r = q("SELECT * FROM `pconfig` WHERE `cat` = '%s' AND `uid` = %d",
dbesc($family),
intval($uid)
);
if(count($r)) {
foreach($r as $rr) {
$k = $rr['k'];
$a->config[$uid][$family][$k] = $rr['v'];
}
}
}}
if(! function_exists('get_pconfig')) {
function get_pconfig($uid,$family, $key, $instore = false) {
global $a;
if(! $instore) {
if(isset($a->config[$uid][$family][$key])) {
if($a->config[$uid][$family][$key] === '!<unset>!') {
return false;
}
return $a->config[$uid][$family][$key];
}
}
$ret = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
intval($uid),
dbesc($family),
dbesc($key)
);
if(count($ret)) {
$a->config[$uid][$family][$key] = $ret[0]['v'];
return $ret[0]['v'];
}
else {
$a->config[$uid][$family][$key] = '!<unset>!';
}
return false;
}}
if(! function_exists('del_config')) {
function del_config($family,$key) {
global $a;
if(x($a->config[$family],$key))
unset($a->config[$family][$key]);
$ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
dbesc($cat),
dbesc($key)
);
return $ret;
}}
// Same as above functions except these are for personal config storage and take an
// additional $uid argument.
if(! function_exists('set_pconfig')) {
function set_pconfig($uid,$family,$key,$value) {
global $a;
if(get_pconfig($uid,$family,$key,true) === false) {
$a->config[$uid][$family][$key] = $value;
$ret = q("INSERT INTO `pconfig` ( `uid`, `cat`, `k`, `v` ) VALUES ( %d, '%s', '%s', '%s' ) ",
intval($uid),
dbesc($family),
dbesc($key),
dbesc($value)
);
if($ret)
return $value;
return $ret;
}
$ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
dbesc($value),
intval($uid),
dbesc($family),
dbesc($key)
);
$a->config[$uid][$family][$key] = $value;
if($ret)
return $value;
return $ret;
}}
if(! function_exists('del_pconfig')) {
function del_pconfig($uid,$family,$key) {
global $a;
if(x($a->config[$uid][$family],$key))
unset($a->config[$uid][$family][$key]);
$ret = q("DELETE FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
intval($uid),
dbesc($family),
dbesc($key)
);
return $ret;
}}

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include/network.php Normal file
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<?php
// curl wrapper. If binary flag is true, return binary
// results.
if(! function_exists('fetch_url')) {
function fetch_url($url,$binary = false, &$redirects = 0) {
$a = get_app();
$ch = curl_init($url);
if(($redirects > 8) || (! $ch))
return false;
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
curl_setopt($ch, CURLOPT_USERAGENT, "Friendika");
$curl_time = intval(get_config('system','curl_timeout'));
curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
// by default we will allow self-signed certs
// but you can override this
$check_cert = get_config('system','verifyssl');
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
$prx = get_config('system','proxy');
if(strlen($prx)) {
curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
curl_setopt($ch, CURLOPT_PROXY, $prx);
$prxusr = get_config('system','proxyuser');
if(strlen($prxusr))
curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
}
if($binary)
curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
$a->set_curl_code(0);
// don't let curl abort the entire application
// if it throws any errors.
$s = @curl_exec($ch);
$base = $s;
$curl_info = curl_getinfo($ch);
$http_code = $curl_info['http_code'];
$header = '';
// Pull out multiple headers, e.g. proxy and continuation headers
// allow for HTTP/2.x without fixing code
while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
$chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
$header .= $chunk;
$base = substr($base,strlen($chunk));
}
if($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
$matches = array();
preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
$url = trim(array_pop($matches));
$url_parsed = @parse_url($url);
if (isset($url_parsed)) {
$redirects++;
return fetch_url($url,$binary,$redirects);
}
}
$a->set_curl_code($http_code);
$body = substr($s,strlen($header));
$a->set_curl_headers($header);
curl_close($ch);
return($body);
}}
// post request to $url. $params is an array of post variables.
if(! function_exists('post_url')) {
function post_url($url,$params, $headers = null, &$redirects = 0) {
$a = get_app();
$ch = curl_init($url);
if(($redirects > 8) || (! $ch))
return false;
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
curl_setopt($ch, CURLOPT_POST,1);
curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
curl_setopt($ch, CURLOPT_USERAGENT, "Friendika");
$curl_time = intval(get_config('system','curl_timeout'));
curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
if(defined('LIGHTTPD')) {
if(!is_array($headers)) {
$headers = array('Expect:');
} else {
if(!in_array('Expect:', $headers)) {
array_push($headers, 'Expect:');
}
}
}
if($headers)
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$check_cert = get_config('system','verifyssl');
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
$prx = get_config('system','proxy');
if(strlen($prx)) {
curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
curl_setopt($ch, CURLOPT_PROXY, $prx);
$prxusr = get_config('system','proxyuser');
if(strlen($prxusr))
curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
}
$a->set_curl_code(0);
// don't let curl abort the entire application
// if it throws any errors.
$s = @curl_exec($ch);
$base = $s;
$curl_info = curl_getinfo($ch);
$http_code = $curl_info['http_code'];
$header = '';
// Pull out multiple headers, e.g. proxy and continuation headers
// allow for HTTP/2.x without fixing code
while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
$chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
$header .= $chunk;
$base = substr($base,strlen($chunk));
}
if($http_code == 301 || $http_code == 302 || $http_code == 303) {
$matches = array();
preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
$url = trim(array_pop($matches));
$url_parsed = @parse_url($url);
if (isset($url_parsed)) {
$redirects++;
return post_url($url,$binary,$headers,$redirects);
}
}
$a->set_curl_code($http_code);
$body = substr($s,strlen($header));
$a->set_curl_headers($header);
curl_close($ch);
return($body);
}}
// Generic XML return
// Outputs a basic dfrn XML status structure to STDOUT, with a <status> variable
// of $st and an optional text <message> of $message and terminates the current process.
if(! function_exists('xml_status')) {
function xml_status($st, $message = '') {
$xml_message = ((strlen($message)) ? "\t<message>" . xmlify($message) . "</message>\r\n" : '');
if($st)
logger('xml_status returning non_zero: ' . $st . " message=" . $message);
header( "Content-type: text/xml" );
echo '<?xml version="1.0" encoding="UTF-8"?>'."\r\n";
echo "<result>\r\n\t<status>$st</status>\r\n$xml_message</result>\r\n";
killme();
}}
// convert an XML document to a normalised, case-corrected array
// used by webfinger
if(! function_exists('convert_xml_element_to_array')) {
function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
// If we're getting too deep, bail out
if ($recursion_depth > 512) {
return(null);
}
if (!is_string($xml_element) &&
!is_array($xml_element) &&
(get_class($xml_element) == 'SimpleXMLElement')) {
$xml_element_copy = $xml_element;
$xml_element = get_object_vars($xml_element);
}
if (is_array($xml_element)) {
$result_array = array();
if (count($xml_element) <= 0) {
return (trim(strval($xml_element_copy)));
}
foreach($xml_element as $key=>$value) {
$recursion_depth++;
$result_array[strtolower($key)] =
convert_xml_element_to_array($value, $recursion_depth);
$recursion_depth--;
}
if ($recursion_depth == 0) {
$temp_array = $result_array;
$result_array = array(
strtolower($xml_element_copy->getName()) => $temp_array,
);
}
return ($result_array);
} else {
return (trim(strval($xml_element)));
}
}}
// Given an email style address, perform webfinger lookup and
// return the resulting DFRN profile URL, or if no DFRN profile URL
// is located, returns an OStatus subscription template (prefixed
// with the string 'stat:' to identify it as on OStatus template).
// If this isn't an email style address just return $s.
// Return an empty string if email-style addresses but webfinger fails,
// or if the resultant personal XRD doesn't contain a supported
// subscription/friend-request attribute.
if(! function_exists('webfinger_dfrn')) {
function webfinger_dfrn($s) {
if(! strstr($s,'@')) {
return $s;
}
$links = webfinger($s);
logger('webfinger_dfrn: ' . $s . ':' . print_r($links,true), LOGGER_DATA);
if(count($links)) {
foreach($links as $link)
if($link['@attributes']['rel'] === NAMESPACE_DFRN)
return $link['@attributes']['href'];
foreach($links as $link)
if($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
return 'stat:' . $link['@attributes']['template'];
}
return '';
}}
// Given an email style address, perform webfinger lookup and
// return the array of link attributes from the personal XRD file.
// On error/failure return an empty array.
if(! function_exists('webfinger')) {
function webfinger($s) {
$host = '';
if(strstr($s,'@')) {
$host = substr($s,strpos($s,'@') + 1);
}
if(strlen($host)) {
$tpl = fetch_lrdd_template($host);
logger('webfinger: lrdd template: ' . $tpl);
if(strlen($tpl)) {
$pxrd = str_replace('{uri}', urlencode('acct:' . $s), $tpl);
logger('webfinger: pxrd: ' . $pxrd);
$links = fetch_xrd_links($pxrd);
if(! count($links)) {
// try with double slashes
$pxrd = str_replace('{uri}', urlencode('acct://' . $s), $tpl);
logger('webfinger: pxrd: ' . $pxrd);
$links = fetch_xrd_links($pxrd);
}
return $links;
}
}
return array();
}}
if(! function_exists('lrdd')) {
function lrdd($uri) {
$a = get_app();
// default priority is host priority, host-meta first
$priority = 'host';
// All we have is an email address. Resource-priority is irrelevant
// because our URI isn't directly resolvable.
if(strstr($uri,'@')) {
return(webfinger($uri));
}
// get the host meta file
$host = @parse_url($uri);
if($host) {
$url = ((x($host,'scheme')) ? $host['scheme'] : 'http') . '://';
$url .= $host['host'] . '/.well-known/host-meta' ;
}
else
return array();
logger('lrdd: constructed url: ' . $url);
$xml = fetch_url($url);
$headers = $a->get_curl_headers();
if (! $xml)
return array();
logger('lrdd: host_meta: ' . $xml, LOGGER_DATA);
$h = parse_xml_string($xml);
if(! $h)
return array();
$arr = convert_xml_element_to_array($h);
if(isset($arr['xrd']['property'])) {
$property = $arr['crd']['property'];
if(! isset($property[0]))
$properties = array($property);
else
$properties = $property;
foreach($properties as $prop)
if((string) $prop['@attributes'] === 'http://lrdd.net/priority/resource')
$priority = 'resource';
}
// save the links in case we need them
$links = array();
if(isset($arr['xrd']['link'])) {
$link = $arr['xrd']['link'];
if(! isset($link[0]))
$links = array($link);
else
$links = $link;
}
// do we have a template or href?
if(count($links)) {
foreach($links as $link) {
if($link['@attributes']['rel'] && attribute_contains($link['@attributes']['rel'],'lrdd')) {
if(x($link['@attributes'],'template'))
$tpl = $link['@attributes']['template'];
elseif(x($link['@attributes'],'href'))
$href = $link['@attributes']['href'];
}
}
}
if((! isset($tpl)) || (! strpos($tpl,'{uri}')))
$tpl = '';
if($priority === 'host') {
if(strlen($tpl))
$pxrd = str_replace('{uri}', urlencode($uri), $tpl);
elseif(isset($href))
$pxrd = $href;
if(isset($pxrd)) {
logger('lrdd: (host priority) pxrd: ' . $pxrd);
$links = fetch_xrd_links($pxrd);
return $links;
}
$lines = explode("\n",$headers);
if(count($lines)) {
foreach($lines as $line) {
if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
return(fetch_xrd_links($matches[1]));
break;
}
}
}
}
// priority 'resource'
$html = fetch_url($uri);
$headers = $a->get_curl_headers();
logger('lrdd: headers=' . $headers, LOGGER_DEBUG);
// don't try and parse raw xml as html
if(! strstr($html,'<?xml')) {
require_once('library/HTML5/Parser.php');
$dom = @HTML5_Parser::parse($html);
if($dom) {
$items = $dom->getElementsByTagName('link');
foreach($items as $item) {
$x = $item->getAttribute('rel');
if($x == "lrdd") {
$pagelink = $item->getAttribute('href');
break;
}
}
}
}
if(isset($pagelink))
return(fetch_xrd_links($pagelink));
// next look in HTTP headers
$lines = explode("\n",$headers);
if(count($lines)) {
foreach($lines as $line) {
// TODO alter the following regex to support multiple relations (space separated)
if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
$pagelink = $matches[1];
break;
}
// don't try and run feeds through the html5 parser
if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
return array();
if(stristr($html,'<rss') || stristr($html,'<feed'))
return array();
}
}
if(isset($pagelink))
return(fetch_xrd_links($pagelink));
// If we haven't found any links, return the host xrd links (which we have already fetched)
if(isset($links))
return $links;
return array();
}}
// Given a host name, locate the LRDD template from that
// host. Returns the LRDD template or an empty string on
// error/failure.
if(! function_exists('fetch_lrdd_template')) {
function fetch_lrdd_template($host) {
$tpl = '';
$url1 = 'https://' . $host . '/.well-known/host-meta' ;
$url2 = 'http://' . $host . '/.well-known/host-meta' ;
$links = fetch_xrd_links($url1);
logger('fetch_lrdd_template from: ' . $url1);
logger('template (https): ' . print_r($links,true));
if(! count($links)) {
logger('fetch_lrdd_template from: ' . $url2);
$links = fetch_xrd_links($url2);
logger('template (http): ' . print_r($links,true));
}
if(count($links)) {
foreach($links as $link)
if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd')
$tpl = $link['@attributes']['template'];
}
if(! strpos($tpl,'{uri}'))
$tpl = '';
return $tpl;
}}
// Given a URL, retrieve the page as an XRD document.
// Return an array of links.
// on error/failure return empty array.
if(! function_exists('fetch_xrd_links')) {
function fetch_xrd_links($url) {
$xml = fetch_url($url);
logger('fetch_xrd_links: ' . $xml, LOGGER_DATA);
if ((! $xml) || (! stristr($xml,'<xrd')))
return array();
$h = parse_xml_string($xml);
if(! $h)
return array();
$arr = convert_xml_element_to_array($h);
$links = array();
if(isset($arr['xrd']['link'])) {
$link = $arr['xrd']['link'];
if(! isset($link[0]))
$links = array($link);
else
$links = $link;
}
if(isset($arr['xrd']['alias'])) {
$alias = $arr['xrd']['alias'];
if(! isset($alias[0]))
$aliases = array($alias);
else
$aliases = $alias;
foreach($aliases as $alias) {
$links[]['@attributes'] = array('rel' => 'alias' , 'href' => $alias);
}
}
logger('fetch_xrd_links: ' . print_r($links,true), LOGGER_DATA);
return $links;
}}
// Take a URL from the wild, prepend http:// if necessary
// and check DNS to see if it's real
// return true if it's OK, false if something is wrong with it
if(! function_exists('validate_url')) {
function validate_url(&$url) {
if(substr($url,0,4) != 'http')
$url = 'http://' . $url;
$h = @parse_url($url);
if(($h) && (dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR))) {
return true;
}
return false;
}}
// checks that email is an actual resolvable internet address
if(! function_exists('validate_email')) {
function validate_email($addr) {
if(! strpos($addr,'@'))
return false;
$h = substr($addr,strpos($addr,'@') + 1);
if(($h) && (dns_get_record($h, DNS_A + DNS_CNAME + DNS_PTR + DNS_MX))) {
return true;
}
return false;
}}
// Check $url against our list of allowed sites,
// wildcards allowed. If allowed_sites is unset return true;
// If url is allowed, return true.
// otherwise, return false
if(! function_exists('allowed_url')) {
function allowed_url($url) {
$h = @parse_url($url);
if(! $h) {
return false;
}
$str_allowed = get_config('system','allowed_sites');
if(! $str_allowed)
return true;
$found = false;
$host = strtolower($h['host']);
// always allow our own site
if($host == strtolower($_SERVER['SERVER_NAME']))
return true;
$fnmatch = function_exists('fnmatch');
$allowed = explode(',',$str_allowed);
if(count($allowed)) {
foreach($allowed as $a) {
$pat = strtolower(trim($a));
if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
$found = true;
break;
}
}
}
return $found;
}}
// check if email address is allowed to register here.
// Compare against our list (wildcards allowed).
// Returns false if not allowed, true if allowed or if
// allowed list is not configured.
if(! function_exists('allowed_email')) {
function allowed_email($email) {
$domain = strtolower(substr($email,strpos($email,'@') + 1));
if(! $domain)
return false;
$str_allowed = get_config('system','allowed_email');
if(! $str_allowed)
return true;
$found = false;
$fnmatch = function_exists('fnmatch');
$allowed = explode(',',$str_allowed);
if(count($allowed)) {
foreach($allowed as $a) {
$pat = strtolower(trim($a));
if(($fnmatch && fnmatch($pat,$domain)) || ($pat == $domain)) {
$found = true;
break;
}
}
}
return $found;
}}
if(! function_exists('gravatar_img')) {
function gravatar_img($email) {
$size = 175;
$opt = 'identicon'; // psuedo-random geometric pattern if not found
$rating = 'pg';
$hash = md5(trim(strtolower($email)));
$url = 'http://www.gravatar.com/avatar/' . $hash . '.jpg'
. '?s=' . $size . '&d=' . $opt . '&r=' . $rating;
logger('gravatar: ' . $email . ' ' . $url);
return $url;
}}
if(! function_exists('parse_xml_string')) {
function parse_xml_string($s,$strict = true) {
if($strict) {
if(! strstr($s,'<?xml'))
return false;
$s2 = substr($s,strpos($s,'<?xml'));
}
else
$s2 = $s;
libxml_use_internal_errors(true);
$x = @simplexml_load_string($s2);
if(! $x) {
logger('libxml: parse: error: ' . $s2, LOGGER_DATA);
foreach(libxml_get_errors() as $err)
logger('libxml: parse: ' . $err->code." at ".$err->line.":".$err->column." : ".$err->message, LOGGER_DATA);
libxml_clear_errors();
}
return $x;
}}

199
include/plugin.php Normal file
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@ -0,0 +1,199 @@
<?php
// install and uninstall plugin
if (! function_exists('uninstall_plugin')){
function uninstall_plugin($plugin){
logger("Addons: uninstalling " . $plugin);
q("DELETE FROM `addon` WHERE `name` = '%s' LIMIT 1",
dbesc($plugin)
);
@include_once('addon/' . $plugin . '/' . $plugin . '.php');
if(function_exists($plugin . '_uninstall')) {
$func = $plugin . '_uninstall';
$func();
}
}}
if (! function_exists('install_plugin')){
function install_plugin($plugin){
logger("Addons: installing " . $plugin);
$t = filemtime('addon/' . $plugin . '/' . $plugin . '.php');
@include_once('addon/' . $plugin . '/' . $plugin . '.php');
if(function_exists($plugin . '_install')) {
$func = $plugin . '_install';
$func();
$plugin_admin = (function_exists($plugin."_plugin_admin")?1:0);
$r = q("INSERT INTO `addon` (`name`, `installed`, `timestamp`, `plugin_admin`) VALUES ( '%s', 1, %d , %d ) ",
dbesc($plugin),
intval($t),
$plugin_admin
);
}
}}
// reload all updated plugins
if(! function_exists('reload_plugins')) {
function reload_plugins() {
$plugins = get_config('system','addon');
if(strlen($plugins)) {
$r = q("SELECT * FROM `addon` WHERE `installed` = 1");
if(count($r))
$installed = $r;
else
$installed = array();
$parr = explode(',',$plugins);
if(count($parr)) {
foreach($parr as $pl) {
$pl = trim($pl);
$t = filemtime('addon/' . $pl . '/' . $pl . '.php');
foreach($installed as $i) {
if(($i['name'] == $pl) && ($i['timestamp'] != $t)) {
logger('Reloading plugin: ' . $i['name']);
@include_once('addon/' . $pl . '/' . $pl . '.php');
if(function_exists($pl . '_uninstall')) {
$func = $pl . '_uninstall';
$func();
}
if(function_exists($pl . '_install')) {
$func = $pl . '_install';
$func();
}
q("UPDATE `addon` SET `timestamp` = %d WHERE `id` = %d LIMIT 1",
intval($t),
intval($i['id'])
);
}
}
}
}
}
}}
if(! function_exists('register_hook')) {
function register_hook($hook,$file,$function) {
$r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
dbesc($hook),
dbesc($file),
dbesc($function)
);
if(count($r))
return true;
$r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
dbesc($hook),
dbesc($file),
dbesc($function)
);
return $r;
}}
if(! function_exists('unregister_hook')) {
function unregister_hook($hook,$file,$function) {
$r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
dbesc($hook),
dbesc($file),
dbesc($function)
);
return $r;
}}
if(! function_exists('load_hooks')) {
function load_hooks() {
$a = get_app();
$a->hooks = array();
$r = q("SELECT * FROM `hook` WHERE 1");
if(count($r)) {
foreach($r as $rr) {
$a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
}
}
}}
if(! function_exists('call_hooks')) {
function call_hooks($name, &$data = null) {
$a = get_app();
if(count($a->hooks)) {
foreach($a->hooks as $hook) {
if($hook[HOOK_HOOK] === $name) {
@include_once($hook[HOOK_FILE]);
if(function_exists($hook[HOOK_FUNCTION])) {
$func = $hook[HOOK_FUNCTION];
$func($a,$data);
}
}
}
}
}}
/*
* parse plugin comment in search of plugin infos.
* like
*
* * Name: Plugin
* * Description: A plugin which plugs in
* * Version: 1.2.3
* * Author: John <profile url>
* * Author: Jane <email>
* *
*/
if (! function_exists('get_plugin_info')){
function get_plugin_info($plugin){
if (!is_file("addon/$plugin/$plugin.php")) return false;
$f = file_get_contents("addon/$plugin/$plugin.php");
$r = preg_match("|/\*.*\*/|msU", $f, $m);
$info=Array(
'name' => $plugin,
'description' => "",
'author' => array(),
'version' => ""
);
if ($r){
$ll = explode("\n", $m[0]);
foreach( $ll as $l ) {
$l = trim($l,"\t\n\r */");
if ($l!=""){
list($k,$v) = array_map("trim", explode(":",$l,2));
$k= strtolower($k);
if ($k=="author"){
$r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
if ($r) {
$info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
} else {
$info['author'][] = array('name'=>$v);
}
} else {
if (array_key_exists($k,$info)){
$info[$k]=$v;
}
}
}
}
}
return $info;
}}

31
include/salmon.php
View file

@ -18,37 +18,6 @@ function salmon_key($pubkey) {
}
function base64url_encode($s, $strip_padding = false) {
$s = strtr(base64_encode($s),'+/','-_');
if($strip_padding)
$s = str_replace('=','',$s);
return $s;
}
function base64url_decode($s) {
/*
* // Placeholder for new rev of salmon which strips base64 padding.
* // PHP base64_decode handles the un-padded input without requiring this step
* // Uncomment if you find you need it.
*
* $l = strlen($s);
* if(! strpos($s,'=')) {
* $m = $l % 4;
* if($m == 2)
* $s .= '==';
* if($m == 3)
* $s .= '=';
* }
*
*/
return base64_decode(strtr($s,'-_','+/'));
}
function get_salmon_key($uri,$keyhash) {
$ret = array();

933
include/text.php Normal file
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@ -0,0 +1,933 @@
<?php
// This is our template processor.
// $s is the string requiring macro substitution.
// $r is an array of key value pairs (search => replace)
// returns substituted string.
// WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other.
// For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing,
// depending on the order in which they were declared in the array.
require_once("include/template_processor.php");
if(! function_exists('replace_macros')) {
function replace_macros($s,$r) {
global $t;
return $t->replace($s,$r);
}}
// random hash, 64 chars
if(! function_exists('random_string')) {
function random_string() {
return(hash('sha256',uniqid(rand(),true)));
}}
/**
* This is our primary input filter.
*
* The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
* that had an XSS attack vector due to stripping the high-bit on an 8-bit character
* after cleansing, and angle chars with the high bit set could get through as markup.
*
* This is now disabled because it was interfering with some legitimate unicode sequences
* and hopefully there aren't a lot of those browsers left.
*
* Use this on any text input where angle chars are not valid or permitted
* They will be replaced with safer brackets. This may be filtered further
* if these are not allowed either.
*
*/
if(! function_exists('notags')) {
function notags($string) {
return(str_replace(array("<",">"), array('[',']'), $string));
// High-bit filter no longer used
// return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
}}
// use this on "body" or "content" input where angle chars shouldn't be removed,
// and allow them to be safely displayed.
if(! function_exists('escape_tags')) {
function escape_tags($string) {
return(htmlspecialchars($string));
}}
// generate a string that's random, but usually pronounceable.
// used to generate initial passwords
if(! function_exists('autoname')) {
function autoname($len) {
$vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u');
if(mt_rand(0,5) == 4)
$vowels[] = 'y';
$cons = array(
'b','bl','br',
'c','ch','cl','cr',
'd','dr',
'f','fl','fr',
'g','gh','gl','gr',
'h',
'j',
'k','kh','kl','kr',
'l',
'm',
'n',
'p','ph','pl','pr',
'qu',
'r','rh',
's','sc','sh','sm','sp','st',
't','th','tr',
'v',
'w','wh',
'x',
'z','zh'
);
$midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
'nd','ng','nk','nt','rn','rp','rt');
$noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
$start = mt_rand(0,2);
if($start == 0)
$table = $vowels;
else
$table = $cons;
$word = '';
for ($x = 0; $x < $len; $x ++) {
$r = mt_rand(0,count($table) - 1);
$word .= $table[$r];
if($table == $vowels)
$table = array_merge($cons,$midcons);
else
$table = $vowels;
}
$word = substr($word,0,$len);
foreach($noend as $noe) {
if((strlen($word) > 2) && (substr($word,-2) == $noe)) {
$word = substr($word,0,-1);
break;
}
}
if(substr($word,-1) == 'q')
$word = substr($word,0,-1);
return $word;
}}
// escape text ($str) for XML transport
// returns escaped text.
if(! function_exists('xmlify')) {
function xmlify($str) {
$buffer = '';
for($x = 0; $x < strlen($str); $x ++) {
$char = $str[$x];
switch( $char ) {
case "\r" :
break;
case "&" :
$buffer .= '&amp;';
break;
case "'" :
$buffer .= '&apos;';
break;
case "\"" :
$buffer .= '&quot;';
break;
case '<' :
$buffer .= '&lt;';
break;
case '>' :
$buffer .= '&gt;';
break;
case "\n" :
$buffer .= "\n";
break;
default :
$buffer .= $char;
break;
}
}
$buffer = trim($buffer);
return($buffer);
}}
// undo an xmlify
// pass xml escaped text ($s), returns unescaped text
if(! function_exists('unxmlify')) {
function unxmlify($s) {
$ret = str_replace('&amp;','&', $s);
$ret = str_replace(array('&lt;','&gt;','&quot;','&apos;'),array('<','>','"',"'"),$ret);
return $ret;
}}
// convenience wrapper, reverse the operation "bin2hex"
if(! function_exists('hex2bin')) {
function hex2bin($s) {
if(! ctype_xdigit($s)) {
logger('hex2bin: illegal input: ' . print_r(debug_backtrace(), true));
return($s);
}
return(pack("H*",$s));
}}
// Automatic pagination.
// To use, get the count of total items.
// Then call $a->set_pager_total($number_items);
// Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
// Then call paginate($a) after the end of the display loop to insert the pager block on the page
// (assuming there are enough items to paginate).
// When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
// will limit the results to the correct items for the current page.
// The actual page handling is then accomplished at the application layer.
if(! function_exists('paginate')) {
function paginate(&$a) {
$o = '';
$stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string);
$stripped = str_replace('q=','',$stripped);
$stripped = trim($stripped,'/');
$pagenum = $a->pager['page'];
$url = $a->get_baseurl() . '/' . $stripped;
if($a->pager['total'] > $a->pager['itemspage']) {
$o .= '<div class="pager">';
if($a->pager['page'] != 1)
$o .= '<span class="pager_prev">'."<a href=\"$url".'&page='.($a->pager['page'] - 1).'">' . t('prev') . '</a></span> ';
$o .= "<span class=\"pager_first\"><a href=\"$url"."&page=1\">" . t('first') . "</a></span> ";
$numpages = $a->pager['total'] / $a->pager['itemspage'];
$numstart = 1;
$numstop = $numpages;
if($numpages > 14) {
$numstart = (($pagenum > 7) ? ($pagenum - 7) : 1);
$numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14));
}
for($i = $numstart; $i <= $numstop; $i++){
if($i == $a->pager['page'])
$o .= '<span class="pager_current">'.(($i < 10) ? '&nbsp;'.$i : $i);
else
$o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? '&nbsp;'.$i : $i)."</a>";
$o .= '</span> ';
}
if(($a->pager['total'] % $a->pager['itemspage']) != 0) {
if($i == $a->pager['page'])
$o .= '<span class="pager_current">'.(($i < 10) ? '&nbsp;'.$i : $i);
else
$o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? '&nbsp;'.$i : $i)."</a>";
$o .= '</span> ';
}
$lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
$o .= "<span class=\"pager_last\"><a href=\"$url"."&page=$lastpage\">" . t('last') . "</a></span> ";
if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0)
$o .= '<span class="pager_next">'."<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('next') . '</a></span>';
$o .= '</div>'."\r\n";
}
return $o;
}}
// Turn user/group ACLs stored as angle bracketed text into arrays
if(! function_exists('expand_acl')) {
function expand_acl($s) {
// turn string array of angle-bracketed elements into numeric array
// e.g. "<1><2><3>" => array(1,2,3);
$ret = array();
if(strlen($s)) {
$t = str_replace('<','',$s);
$a = explode('>',$t);
foreach($a as $aa) {
if(intval($aa))
$ret[] = intval($aa);
}
}
return $ret;
}}
// Used to wrap ACL elements in angle brackets for storage
if(! function_exists('sanitise_acl')) {
function sanitise_acl(&$item) {
if(intval($item))
$item = '<' . intval(notags(trim($item))) . '>';
else
unset($item);
}}
// Convert an ACL array to a storable string
if(! function_exists('perms2str')) {
function perms2str($p) {
$ret = '';
$tmp = $p;
if(is_array($tmp)) {
array_walk($tmp,'sanitise_acl');
$ret = implode('',$tmp);
}
return $ret;
}}
// generate a guaranteed unique (for this domain) item ID for ATOM
// safe from birthday paradox
if(! function_exists('item_new_uri')) {
function item_new_uri($hostname,$uid) {
do {
$dups = false;
$hash = random_string();
$uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
$r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
dbesc($uri));
if(count($r))
$dups = true;
} while($dups == true);
return $uri;
}}
// Generate a guaranteed unique photo ID.
// safe from birthday paradox
if(! function_exists('photo_new_resource')) {
function photo_new_resource() {
do {
$found = false;
$resource = hash('md5',uniqid(mt_rand(),true));
$r = q("SELECT `id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
dbesc($resource)
);
if(count($r))
$found = true;
} while($found == true);
return $resource;
}}
// wrapper to load a view template, checking for alternate
// languages before falling back to the default
// obsolete, deprecated.
if(! function_exists('load_view_file')) {
function load_view_file($s) {
global $lang, $a;
if(! isset($lang))
$lang = 'en';
$b = basename($s);
$d = dirname($s);
if(file_exists("$d/$lang/$b"))
return file_get_contents("$d/$lang/$b");
$theme = current_theme();
if(file_exists("$d/theme/$theme/$b"))
return file_get_contents("$d/theme/$theme/$b");
return file_get_contents($s);
}}
if(! function_exists('get_intltext_template')) {
function get_intltext_template($s) {
global $lang;
if(! isset($lang))
$lang = 'en';
if(file_exists("view/$lang/$s"))
return file_get_contents("view/$lang/$s");
elseif(file_exists("view/en/$s"))
return file_get_contents("view/en/$s");
else
return file_get_contents("view/$s");
}}
if(! function_exists('get_markup_template')) {
function get_markup_template($s) {
$theme = current_theme();
if(file_exists("view/theme/$theme/$s"))
return file_get_contents("view/theme/$theme/$s");
else
return file_get_contents("view/$s");
}}
// for html,xml parsing - let's say you've got
// an attribute foobar="class1 class2 class3"
// and you want to find out if it contains 'class3'.
// you can't use a normal sub string search because you
// might match 'notclass3' and a regex to do the job is
// possible but a bit complicated.
// pass the attribute string as $attr and the attribute you
// are looking for as $s - returns true if found, otherwise false
if(! function_exists('attribute_contains')) {
function attribute_contains($attr,$s) {
$a = explode(' ', $attr);
if(count($a) && in_array($s,$a))
return true;
return false;
}}
if(! function_exists('logger')) {
function logger($msg,$level = 0) {
$debugging = get_config('system','debugging');
$loglevel = intval(get_config('system','loglevel'));
$logfile = get_config('system','logfile');
if((! $debugging) || (! $logfile) || ($level > $loglevel))
return;
@file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
return;
}}
if(! function_exists('activity_match')) {
function activity_match($haystack,$needle) {
if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA)))
return true;
return false;
}}
// Pull out all #hashtags and @person tags from $s;
// We also get @person@domain.com - which would make
// the regex quite complicated as tags can also
// end a sentence. So we'll run through our results
// and strip the period from any tags which end with one.
// Returns array of tags found, or empty array.
if(! function_exists('get_tags')) {
function get_tags($s) {
$ret = array();
// ignore anything in a code block
$s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
// Match full names against @tags including the space between first and last
// We will look these up afterward to see if they are full names or not recognisable.
if(preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
foreach($match[1] as $mtch) {
if(strstr($mtch,"]")) {
// we might be inside a bbcode color tag - leave it alone
continue;
}
if(substr($mtch,-1,1) === '.')
$ret[] = substr($mtch,0,-1);
else
$ret[] = $mtch;
}
}
// Otherwise pull out single word tags. These can be @nickname, @first_last
// and #hash tags.
if(preg_match_all('/([@#][^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
foreach($match[1] as $mtch) {
if(strstr($mtch,"]")) {
// we might be inside a bbcode color tag - leave it alone
continue;
}
// ignore strictly numeric tags like #1
if((strpos($mtch,'#') === 0) && ctype_digit(substr($mtch,1)))
continue;
if(substr($mtch,-1,1) === '.')
$ret[] = substr($mtch,0,-1);
else
$ret[] = $mtch;
}
}
return $ret;
}}
// quick and dirty quoted_printable encoding
if(! function_exists('qp')) {
function qp($s) {
return str_replace ("%","=",rawurlencode($s));
}}
if(! function_exists('get_mentions')) {
function get_mentions($item) {
$o = '';
if(! strlen($item['tag']))
return $o;
$arr = explode(',',$item['tag']);
foreach($arr as $x) {
$matches = null;
if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
$o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
$o .= "\t\t" . '<link rel="ostatus:attention" href="' . $matches[1] . '" />' . "\r\n";
}
}
return $o;
}}
if(! function_exists('contact_block')) {
function contact_block() {
$o = '';
$a = get_app();
$shown = get_pconfig($a->profile['uid'],'system','display_friend_count');
if(! $shown)
$shown = 24;
if((! is_array($a->profile)) || ($a->profile['hide-friends']))
return $o;
$r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0",
intval($a->profile['uid'])
);
if(count($r)) {
$total = intval($r[0]['total']);
}
if(! $total) {
$o .= '<h4 class="contact-h4">' . t('No contacts') . '</h4>';
return $o;
}
$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT %d",
intval($a->profile['uid']),
intval($shown)
);
if(count($r)) {
$o .= '<h4 class="contact-h4">' . sprintf( tt('%d Contact','%d Contacts', $total),$total) . '</h4><div id="contact-block">';
foreach($r as $rr) {
$o .= micropro($rr,true,'mpfriend');
}
$o .= '</div><div id="contact-block-end"></div>';
$o .= '<div id="viewcontacts"><a id="viewcontacts-link" href="viewcontacts/' . $a->profile['nickname'] . '">' . t('View Contacts') . '</a></div>';
}
$arr = array('contacts' => $r, 'output' => $o);
call_hooks('contact_block_end', $arr);
return $o;
}}
if(! function_exists('micropro')) {
function micropro($contact, $redirect = false, $class = '', $textmode = false) {
if($class)
$class = ' ' . $class;
$url = $contact['url'];
$sparkle = '';
if($redirect) {
$a = get_app();
$redirect_url = $a->get_baseurl() . '/redir/' . $contact['id'];
if(local_user() && ($contact['uid'] == local_user()) && ($contact['network'] === 'dfrn')) {
$url = $redirect_url;
$sparkle = ' sparkle';
}
}
$click = ((x($contact,'click')) ? ' onclick="' . $contact['click'] . '" ' : '');
if($click)
$url = '';
if($textmode) {
return '<div class="contact-block-textdiv' . $class . '"><a class="contact-block-link' . $class . $sparkle
. (($click) ? ' fakelink' : '') . '" '
. (($url) ? ' href="' . $url . '"' : '') . $click
. '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name']
. '" >'. $contact['name'] . '</a></div>' . "\r\n";
}
else {
return '<div class="contact-block-div' . $class . '"><a class="contact-block-link' . $class . $sparkle
. (($click) ? ' fakelink' : '') . '" '
. (($url) ? ' href="' . $url . '"' : '') . $click . ' ><img class="contact-block-img' . $class . $sparkle . '" src="'
. $contact['micro'] . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name']
. '" /></a></div>' . "\r\n";
}
}}
if(! function_exists('search')) {
function search($s,$id='search-box',$url='/search') {
$a = get_app();
$o = '<div id="' . $id . '">';
$o .= '<form action="' . $a->get_baseurl() . $url . '" method="get" >';
$o .= '<input type="text" name="search" id="search-text" value="' . $s .'" />';
$o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />';
$o .= '</form></div>';
return $o;
}}
if(! function_exists('valid_email')) {
function valid_email($x){
if(preg_match('/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
return true;
return false;
}}
if(! function_exists('aes_decrypt')) {
function aes_decrypt($val,$ky)
{
$key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
for($a=0;$a<strlen($ky);$a++)
$key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
$mode = MCRYPT_MODE_ECB;
$enc = MCRYPT_RIJNDAEL_128;
$dec = @mcrypt_decrypt($enc, $key, $val, $mode, @mcrypt_create_iv( @mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM ) );
return rtrim($dec,(( ord(substr($dec,strlen($dec)-1,1))>=0 and ord(substr($dec, strlen($dec)-1,1))<=16)? chr(ord( substr($dec,strlen($dec)-1,1))):null));
}}
if(! function_exists('aes_encrypt')) {
function aes_encrypt($val,$ky)
{
$key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
for($a=0;$a<strlen($ky);$a++)
$key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
$mode=MCRYPT_MODE_ECB;
$enc=MCRYPT_RIJNDAEL_128;
$val=str_pad($val, (16*(floor(strlen($val) / 16)+(strlen($val) % 16==0?2:1))), chr(16-(strlen($val) % 16)));
return mcrypt_encrypt($enc, $key, $val, $mode, mcrypt_create_iv( mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM));
}}
/**
*
* Function: linkify
*
* Replace naked text hyperlink with HTML formatted hyperlink
*
*/
if(! function_exists('linkify')) {
function linkify($s) {
$s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="external-link">$1</a>', $s);
return($s);
}}
/**
*
* Function: smilies
*
* Description:
* Replaces text emoticons with graphical images
*
* @Parameter: string $s
*
* Returns string
*/
if(! function_exists('smilies')) {
function smilies($s) {
$a = get_app();
return str_replace(
array( '&lt;3', '&lt;/3', '&lt;\\3', ':-)', ':)', ';-)', ':-(', ':(', ':-P', ':P', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O'),
array(
'<img src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="</3" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="<\\3" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":)" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":(" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":P" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />'
), $s);
}}
if(! function_exists('day_translate')) {
function day_translate($s) {
$ret = str_replace(array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'),
array( t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')),
$s);
$ret = str_replace(array('January','February','March','April','May','June','July','August','September','October','November','December'),
array( t('January'), t('February'), t('March'), t('April'), t('May'), t('June'), t('July'), t('August'), t('September'), t('October'), t('November'), t('December')),
$ret);
return $ret;
}}
if(! function_exists('normalise_link')) {
function normalise_link($url) {
$ret = str_replace(array('https:','//www.'), array('http:','//'), $url);
return(rtrim($ret,'/'));
}}
/**
*
* Compare two URLs to see if they are the same, but ignore
* slight but hopefully insignificant differences such as if one
* is https and the other isn't, or if one is www.something and
* the other isn't - and also ignore case differences.
*
* Return true if the URLs match, otherwise false.
*
*/
if(! function_exists('link_compare')) {
function link_compare($a,$b) {
if(strcasecmp(normalise_link($a),normalise_link($b)) === 0)
return true;
return false;
}}
if(! function_exists('prepare_body')) {
function prepare_body($item,$attach = false) {
$s = prepare_text($item['body']);
if(! $attach)
return $s;
$arr = explode(',',$item['attach']);
if(count($arr)) {
$s .= '<div class="body-attach">';
foreach($arr as $r) {
$matches = false;
$icon = '';
$cnt = preg_match('|\[attach\]href=\"(.*?)\" size=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches);
if($cnt) {
$icontype = strtolower(substr($matches[3],0,strpos($matches[3],'/')));
switch($icontype) {
case 'video':
case 'audio':
case 'image':
case 'text':
$icon = '<div class="attachtype type-' . $icontype . '"></div>';
break;
default:
$icon = '<div class="attachtype type-unkn"></div>';
break;
}
$title = ((strlen(trim($matches[4]))) ? escape_tags(trim($matches[4])) : escape_tags($matches[1]));
$title .= ' ' . $matches[2] . ' ' . t('bytes');
$s .= '<a href="' . strip_tags($matches[1]) . '" title="' . $title . '" class="attachlink" target="external-link" >' . $icon . '</a>';
}
}
$s .= '<div class="clear"></div></div>';
}
return $s;
}}
if(! function_exists('prepare_text')) {
function prepare_text($text) {
require_once('include/bbcode.php');
$s = smilies(bbcode($text));
return $s;
}}
/**
* return atom link elements for all of our hubs
*/
if(! function_exists('feed_hublinks')) {
function feed_hublinks() {
$hub = get_config('system','huburl');
$hubxml = '';
if(strlen($hub)) {
$hubs = explode(',', $hub);
if(count($hubs)) {
foreach($hubs as $h) {
$h = trim($h);
if(! strlen($h))
continue;
$hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
}
}
}
return $hubxml;
}}
/* return atom link elements for salmon endpoints */
if(! function_exists('feed_salmonlinks')) {
function feed_salmonlinks($nick) {
$a = get_app();
$salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
// old style links that status.net still needed as of 12/2010
$salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
$salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
return $salmon;
}}
if(! function_exists('get_plink')) {
function get_plink($item) {
$a = get_app();
$plink = (((x($item,'plink')) && (! $item['private'])) ? '<div class="wall-item-links-wrapper"><a href="'
. $item['plink'] . '" title="' . t('link to source') . '" target="external-link" class="icon remote-link"></a></div>' : '');
return $plink;
}}
if(! function_exists('unamp')) {
function unamp($s) {
return str_replace('&amp;', '&', $s);
}}
if(! function_exists('lang_selector')) {
function lang_selector() {
global $lang;
$o = '<div id="lang-select-icon" class="icon language" title="' . t('Select an alternate language') . '" onclick="openClose(\'language-selector\');" ></div>';
$o .= '<div id="language-selector" style="display: none;" >';
$o .= '<form action="" method="post" ><select name="system_language" onchange="this.form.submit();" >';
$langs = glob('view/*/strings.php');
if(is_array($langs) && count($langs)) {
if(! in_array('view/en/strings.php',$langs))
$langs[] = 'view/en/';
asort($langs);
foreach($langs as $l) {
$ll = substr($l,5);
$ll = substr($ll,0,strrpos($ll,'/'));
$selected = (($ll === $lang) ? ' selected="selected" ' : '');
$o .= '<option value="' . $ll . '"' . $selected . '>' . $ll . '</option>';
}
}
$o .= '</select></form></div>';
return $o;
}}
if(! function_exists('return_bytes')) {
function return_bytes ($size_str) {
switch (substr ($size_str, -1))
{
case 'M': case 'm': return (int)$size_str * 1048576;
case 'K': case 'k': return (int)$size_str * 1024;
case 'G': case 'g': return (int)$size_str * 1073741824;
default: return $size_str;
}
}}
function generate_guid() {
$found = true;
do {
$guid = substr(random_string(),0,16);
$x = q("SELECT `uid` FROM `user` WHERE `guid` = '%s' LIMIT 1",
dbesc($guid)
);
if(! count($x))
$found = false;
} while ($found == true );
return $guid;
}
function pkcs5_pad ($text, $blocksize)
{
$pad = $blocksize - (strlen($text) % $blocksize);
return $text . str_repeat(chr($pad), $pad);
}
function pkcs5_unpad($text)
{
$pad = ord($text{strlen($text)-1});
if ($pad > strlen($text)) return false;
if (strspn($text, chr($pad), strlen($text) - $pad) != $pad) return false;
return substr($text, 0, -1 * $pad);
}
function base64url_encode($s, $strip_padding = false) {
$s = strtr(base64_encode($s),'+/','-_');
if($strip_padding)
$s = str_replace('=','',$s);
return $s;
}
function base64url_decode($s) {
/*
* // Placeholder for new rev of salmon which strips base64 padding.
* // PHP base64_decode handles the un-padded input without requiring this step
* // Uncomment if you find you need it.
*
* $l = strlen($s);
* if(! strpos($s,'=')) {
* $m = $l % 4;
* if($m == 2)
* $s .= '==';
* if($m == 3)
* $s .= '=';
* }
*
*/
return base64_decode(strtr($s,'-_','+/'));
}