2107 lines
58 KiB
PHP
2107 lines
58 KiB
PHP
<?php
|
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/**
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* @file include/network.php
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* @brief Network related functions.
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*/
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/**
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* @brief Returns path to CA file.
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*
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* @return string
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*/
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function get_capath() {
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return appdirpath() . '/library/cacert.pem';
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}
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||
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/**
|
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* @brief fetches an URL.
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*
|
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* @param string $url
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* URL to fetch
|
||
* @param boolean $binary default false
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||
* TRUE if asked to return binary results (file download)
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||
* @param int $redirects default 0
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||
* internal use, recursion counter
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||
* @param array $opts (optional parameters) associative array with:
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||
* * \b timeout => int seconds, default system config value or 60 seconds
|
||
* * \b headers => array of additional header fields
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||
* * \b http_auth => username:password
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* * \b novalidate => do not validate SSL certs, default is to validate using our CA list
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* * \b nobody => only return the header
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* * \b filep => stream resource to write body to. header and body are not returned when using this option.
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* * \b custom => custom request method: e.g. 'PUT', 'DELETE'
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* * \b cookiejar => cookie file (write)
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||
* * \b cookiefile => cookie file (read)
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* * \b session => boolean; append session cookie *if* $url is our own site
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*
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* @return array an associative array with:
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* * \e int \b return_code => HTTP return code or 0 if timeout or failure
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* * \e boolean \b success => boolean true (if HTTP 2xx result) or false
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* * \e string \b header => HTTP headers
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* * \e string \b body => fetched content
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*/
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function z_fetch_url($url, $binary = false, $redirects = 0, $opts = array()) {
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||
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$ret = array('return_code' => 0, 'success' => false, 'header' => "", 'body' => "");
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||
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$ch = @curl_init($url);
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if(($redirects > 8) || (! $ch))
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return $ret;
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||
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if(! array_key_exists('request_target',$opts)) {
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$opts['request_target'] = 'get ' . get_request_string($url);
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||
}
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@curl_setopt($ch, CURLOPT_HEADER, true);
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@curl_setopt($ch, CURLINFO_HEADER_OUT, true);
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@curl_setopt($ch, CURLOPT_CAINFO, get_capath());
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@curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
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@curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
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@curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; zot)");
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||
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$ciphers = @get_config('system','curl_ssl_ciphers');
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if($ciphers)
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@curl_setopt($ch, CURLOPT_SSL_CIPHER_LIST, $ciphers);
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if(x($opts,'filep')) {
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@curl_setopt($ch, CURLOPT_FILE, $opts['filep']);
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@curl_setopt($ch, CURLOPT_HEADER, false);
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}
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if(x($opts,'upload'))
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@curl_setopt($ch, CURLOPT_UPLOAD, $opts['upload']);
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if(x($opts,'infile'))
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@curl_setopt($ch, CURLOPT_INFILE, $opts['infile']);
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if(x($opts,'infilesize'))
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@curl_setopt($ch, CURLOPT_INFILESIZE, $opts['infilesize']);
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if(x($opts,'readfunc'))
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@curl_setopt($ch, CURLOPT_READFUNCTION, $opts['readfunc']);
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// When using the session option and fetching from our own site,
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// append the PHPSESSID cookie to any existing headers.
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// Don't add to $opts['headers'] so that the cookie does not get
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// sent to other sites via redirects
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$instance_headers = ((array_key_exists('headers',$opts) && is_array($opts['headers'])) ? $opts['headers'] : []);
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if(x($opts,'session')) {
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if(strpos($url,z_root()) === 0) {
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$instance_headers[] = 'Cookie: PHPSESSID=' . session_id();
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||
}
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}
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if($instance_headers)
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@curl_setopt($ch, CURLOPT_HTTPHEADER, $instance_headers);
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if(x($opts,'nobody'))
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@curl_setopt($ch, CURLOPT_NOBODY, $opts['nobody']);
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||
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if(x($opts,'custom'))
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@curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $opts['custom']);
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if(x($opts,'timeout') && intval($opts['timeout'])) {
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@curl_setopt($ch, CURLOPT_TIMEOUT, intval($opts['timeout']));
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}
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else {
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$curl_time = intval(@get_config('system','curl_timeout'));
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@curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
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}
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if(x($opts,'http_auth')) {
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// "username" . ':' . "password"
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@curl_setopt($ch, CURLOPT_USERPWD, $opts['http_auth']);
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}
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if(x($opts,'cookiejar'))
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@curl_setopt($ch, CURLOPT_COOKIEJAR, $opts['cookiejar']);
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if(x($opts,'cookiefile'))
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@curl_setopt($ch, CURLOPT_COOKIEFILE, $opts['cookiefile']);
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if(x($opts,'cookie'))
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@curl_setopt($ch, CURLOPT_COOKIE, $opts['cookie']);
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||
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@curl_setopt($ch, CURLOPT_SSL_VERIFYPEER,
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((x($opts,'novalidate') && intval($opts['novalidate'])) ? false : true));
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$prx = @get_config('system','proxy');
|
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if(strlen($prx)) {
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@curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
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@curl_setopt($ch, CURLOPT_PROXY, $prx);
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$prxusr = @get_config('system','proxyuser');
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if(strlen($prxusr))
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@curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
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}
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if($binary)
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@curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
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||
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||
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// don't let curl abort the entire application'
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// if it throws any errors.
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||
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$s = @curl_exec($ch);
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$base = $s;
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$curl_info = @curl_getinfo($ch);
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$http_code = $curl_info['http_code'];
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//logger('fetch_url:' . $http_code . ' data: ' . $s);
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$header = '';
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// Pull out multiple headers, e.g. proxy and continuation headers
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// allow for HTTP/2.x without fixing code
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while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
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$chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
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$header .= $chunk;
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$base = substr($base,strlen($chunk));
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}
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if($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307 || $http_code == 308) {
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$matches = array();
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preg_match('/(Location:|URI:)(.*?)\n/i', $header, $matches);
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$newurl = trim(array_pop($matches));
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if(strpos($newurl,'/') === 0)
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$newurl = $url . $newurl;
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$url_parsed = @parse_url($newurl);
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if (isset($url_parsed)) {
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@curl_close($ch);
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return z_fetch_url($newurl,$binary,++$redirects,$opts);
|
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}
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}
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$rc = intval($http_code);
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$ret['return_code'] = $rc;
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$ret['success'] = (($rc >= 200 && $rc <= 299) ? true : false);
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if(! $ret['success']) {
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$ret['error'] = curl_error($ch);
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$ret['debug'] = $curl_info;
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logger('z_fetch_url: error: ' . $url . ': ' . $ret['error'], LOGGER_DEBUG);
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logger('z_fetch_url: debug: ' . print_r($curl_info,true), LOGGER_DATA);
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}
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$ret['body'] = substr($s,strlen($header));
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$ret['header'] = $header;
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$ret['request_target'] = $opts['request_target'];
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||
|
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if(x($opts,'debug')) {
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$ret['debug'] = $curl_info;
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}
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@curl_close($ch);
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return($ret);
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}
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/**
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* @brief Does a curl post request.
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*
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* @param string $url
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* URL to post
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||
* @param mixed $params
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* The full data to post in a HTTP "POST" operation. This parameter can
|
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* either be passed as a urlencoded string like 'para1=val1¶2=val2&...'
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* or as an array with the field name as key and field data as value. If value
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* is an array, the Content-Type header will be set to multipart/form-data.
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* @param int $redirects = 0
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||
* internal use, recursion counter
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||
* @param array $opts (optional parameters)
|
||
* 'timeout' => int seconds, default system config value or 60 seconds
|
||
* 'http_auth' => username:password
|
||
* 'novalidate' => do not validate SSL certs, default is to validate using our CA list
|
||
* 'filep' => stream resource to write body to. header and body are not returned when using this option.
|
||
* 'custom' => custom request method: e.g. 'PUT', 'DELETE'
|
||
*
|
||
* @return array an associative array with:
|
||
* * \e int \b return_code => HTTP return code or 0 if timeout or failure
|
||
* * \e boolean \b success => boolean true (if HTTP 2xx result) or false
|
||
* * \e string \b header => HTTP headers
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||
* * \e string \b body => content
|
||
* * \e string \b debug => from curl_info()
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||
*/
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function z_post_url($url, $params, $redirects = 0, $opts = array()) {
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// logger('url: ' . $url);
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// logger('params: ' . print_r($params,true));
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// logger('opts: ' . print_r($opts,true));
|
||
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$ret = array('return_code' => 0, 'success' => false, 'header' => "", 'body' => "");
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||
|
||
$ch = curl_init($url);
|
||
if(($redirects > 8) || (! $ch))
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||
return $ret;
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|
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if(! array_key_exists('request_target',$opts)) {
|
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$opts['request_target'] = 'get ' . get_request_string($url);
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||
}
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||
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@curl_setopt($ch, CURLOPT_HEADER, true);
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@curl_setopt($ch, CURLINFO_HEADER_OUT, true);
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||
@curl_setopt($ch, CURLOPT_CAINFO, get_capath());
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||
@curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
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@curl_setopt($ch, CURLOPT_POST,1);
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@curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
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@curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; zot)");
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$ciphers = @get_config('system','curl_ssl_ciphers');
|
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if($ciphers)
|
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@curl_setopt($ch, CURLOPT_SSL_CIPHER_LIST, $ciphers);
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if(x($opts,'filep')) {
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@curl_setopt($ch, CURLOPT_FILE, $opts['filep']);
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@curl_setopt($ch, CURLOPT_HEADER, false);
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||
}
|
||
|
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$instance_headers = ((array_key_exists('headers',$opts) && is_array($opts['headers'])) ? $opts['headers'] : []);
|
||
|
||
if(x($opts,'session')) {
|
||
if(strpos($url,z_root()) === 0) {
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$instance_headers[] = 'Cookie: PHPSESSID=' . session_id();
|
||
}
|
||
}
|
||
if($instance_headers)
|
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@curl_setopt($ch, CURLOPT_HTTPHEADER, $instance_headers);
|
||
|
||
|
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if(x($opts,'nobody'))
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@curl_setopt($ch, CURLOPT_NOBODY, $opts['nobody']);
|
||
|
||
if(x($opts,'custom')) {
|
||
@curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $opts['custom']);
|
||
@curl_setopt($ch, CURLOPT_POST,0);
|
||
}
|
||
|
||
|
||
if(x($opts,'timeout') && intval($opts['timeout'])) {
|
||
@curl_setopt($ch, CURLOPT_TIMEOUT, $opts['timeout']);
|
||
}
|
||
else {
|
||
$curl_time = intval(@get_config('system','curl_timeout'));
|
||
@curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
|
||
}
|
||
|
||
if(x($opts,'http_auth')) {
|
||
// "username" . ':' . "password"
|
||
@curl_setopt($ch, CURLOPT_USERPWD, $opts['http_auth']);
|
||
}
|
||
|
||
if(x($opts,'cookiejar'))
|
||
@curl_setopt($ch, CURLOPT_COOKIEJAR, $opts['cookiejar']);
|
||
if(x($opts,'cookiefile'))
|
||
@curl_setopt($ch, CURLOPT_COOKIEFILE, $opts['cookiefile']);
|
||
if(x($opts,'cookie'))
|
||
@curl_setopt($ch, CURLOPT_COOKIE, $opts['cookie']);
|
||
|
||
@curl_setopt($ch, CURLOPT_SSL_VERIFYPEER,
|
||
((x($opts,'novalidate') && intval($opts['novalidate'])) ? false : true));
|
||
|
||
$prx = get_config('system','proxy');
|
||
if(strlen($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);
|
||
}
|
||
|
||
// 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($chunk));
|
||
}
|
||
|
||
// would somebody take lighttpd and just shoot it?
|
||
|
||
if($http_code == 417) {
|
||
curl_close($ch);
|
||
if($opts) {
|
||
if($opts['headers'])
|
||
$opts['headers'][] = 'Expect:';
|
||
else
|
||
$opts['headers'] = array('Expect:');
|
||
}
|
||
else
|
||
$opts = array('headers' => array('Expect:'));
|
||
return z_post_url($url,$params,++$redirects,$opts);
|
||
}
|
||
|
||
if($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307 || $http_code == 308) {
|
||
$matches = array();
|
||
preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
|
||
$newurl = trim(array_pop($matches));
|
||
if(strpos($newurl,'/') === 0)
|
||
$newurl = $url . $newurl;
|
||
$url_parsed = @parse_url($newurl);
|
||
if (isset($url_parsed)) {
|
||
curl_close($ch);
|
||
if($http_code == 303) {
|
||
return z_fetch_url($newurl,false,++$redirects,$opts);
|
||
} else {
|
||
return z_post_url($newurl,$params,++$redirects,$opts);
|
||
}
|
||
}
|
||
}
|
||
$rc = intval($http_code);
|
||
$ret['return_code'] = $rc;
|
||
$ret['success'] = (($rc >= 200 && $rc <= 299) ? true : false);
|
||
if(! $ret['success']) {
|
||
$ret['error'] = curl_error($ch);
|
||
$ret['debug'] = $curl_info;
|
||
logger('z_post_url: error: ' . $url . ': ' . $ret['error'], LOGGER_DEBUG);
|
||
logger('z_post_url: debug: ' . print_r($curl_info,true), LOGGER_DATA);
|
||
}
|
||
|
||
$ret['body'] = substr($s, strlen($header));
|
||
$ret['header'] = $header;
|
||
$ret['request_target'] = $opts['request_target'];
|
||
|
||
if(x($opts,'debug')) {
|
||
$ret['debug'] = $curl_info;
|
||
}
|
||
|
||
curl_close($ch);
|
||
return($ret);
|
||
}
|
||
|
||
function json_return_and_die($x, $content_type = 'application/json') {
|
||
header("Content-type: $content_type");
|
||
echo json_encode($x);
|
||
killme();
|
||
}
|
||
|
||
/**
|
||
* @brief Send HTTP status header.
|
||
*
|
||
* @param int $val
|
||
* integer HTTP status result value
|
||
* @param string $msg
|
||
* optional message
|
||
*/
|
||
function http_status($val, $msg = '') {
|
||
if ($val >= 400)
|
||
$msg = (($msg) ? $msg : 'Error');
|
||
if ($val >= 200 && $val < 300)
|
||
$msg = (($msg) ? $msg : 'OK');
|
||
|
||
logger(\App::$query_string . ':' . $val . ' ' . $msg);
|
||
header($_SERVER['SERVER_PROTOCOL'] . ' ' . $val . ' ' . $msg);
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief Send HTTP status header and exit.
|
||
*
|
||
* @param int $val
|
||
* integer HTTP status result value
|
||
* @param string $msg
|
||
* optional message
|
||
* @return void does not return, process is terminated
|
||
*/
|
||
function http_status_exit($val, $msg = '') {
|
||
http_status($val, $msg);
|
||
killme();
|
||
}
|
||
|
||
/**
|
||
* @brief Convert an XML document to a normalised, case-corrected array used by webfinger.
|
||
*
|
||
* @param string|array|SimpleXMLElement $xml_element
|
||
* @param[in,out] int $recursion_depth
|
||
* @return NULL|string|array
|
||
*/
|
||
function convert_xml_element_to_array($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($xml_element)));
|
||
}
|
||
}
|
||
|
||
|
||
|
||
function z_dns_check($h,$check_mx = 0) {
|
||
|
||
// dns_get_record() has issues on some platforms
|
||
// so allow somebody to ignore it completely
|
||
// Use config values from memory as this can be called during setup
|
||
// before a database or even any config structure exists.
|
||
|
||
if(is_array(\App::$config) && array_key_exists('system',\App::$config)
|
||
&& is_array(\App::$config['system'])
|
||
&& array_key_exists('do_not_check_dns',\App::$config['system'])
|
||
&& \App::$config['system']['do_not_check_dns'])
|
||
return true;
|
||
|
||
// This will match either Windows or Mac ('Darwin')
|
||
if(stripos(PHP_OS,'win') !== false)
|
||
return true;
|
||
|
||
// BSD variants have dns_get_record() but it only works reliably without any options
|
||
if(stripos(PHP_OS,'bsd') !== false)
|
||
return((@dns_get_record($h) || filter_var($h, FILTER_VALIDATE_IP)) ? true : false);
|
||
|
||
// Otherwise we will assume dns_get_record() works as documented
|
||
|
||
$opts = DNS_A + DNS_CNAME + DNS_PTR;
|
||
if($check_mx)
|
||
$opts += DNS_MX;
|
||
|
||
return((@dns_get_record($h,$opts) || filter_var($h, FILTER_VALIDATE_IP)) ? true : false);
|
||
}
|
||
|
||
/**
|
||
* @brief Validates a given URL.
|
||
*
|
||
* Take a URL from the wild, prepend http:// if necessary and check DNS to see
|
||
* if it's real (or check if is a valid IP address).
|
||
*
|
||
* @see z_dns_check()
|
||
*
|
||
* @param[in,out] string $url URL to check
|
||
* @return boolean Return true if it's OK, false if something is wrong with it
|
||
*/
|
||
function validate_url(&$url) {
|
||
|
||
// no naked subdomains (allow localhost for tests)
|
||
if(strpos($url, '.') === false && strpos($url, '/localhost/') === false)
|
||
return false;
|
||
|
||
if(substr($url, 0, 4) != 'http')
|
||
$url = 'http://' . $url;
|
||
|
||
$h = @parse_url($url);
|
||
|
||
if(($h) && z_dns_check($h['host'])) {
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* @brief Checks that email is an actual resolvable internet address.
|
||
*
|
||
* @param string $addr
|
||
* @return boolean
|
||
*/
|
||
function validate_email($addr) {
|
||
|
||
if(get_config('system', 'disable_email_validation'))
|
||
return true;
|
||
|
||
if(! strpos($addr, '@'))
|
||
return false;
|
||
|
||
$h = substr($addr, strpos($addr, '@') + 1);
|
||
|
||
if(($h) && z_dns_check($h, true)) {
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* @brief Check $url against our list of allowed sites.
|
||
*
|
||
* Wildcards allowed. If allowed_sites is unset return true.
|
||
*
|
||
* @param string $url
|
||
* @return boolean Return true if url is allowed, otherwise return false
|
||
*/
|
||
function allowed_url($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;
|
||
}
|
||
|
||
/**
|
||
* @brief Check if email address is allowed to register here.
|
||
*
|
||
* Compare against our list (wildcards allowed).
|
||
*
|
||
* @param string $email
|
||
* @return boolean Returns false if not allowed, true if allowed or if allowed list is
|
||
* not configured.
|
||
*/
|
||
function allowed_email($email) {
|
||
|
||
$domain = strtolower(substr($email, strpos($email, '@') + 1));
|
||
if(! $domain)
|
||
return false;
|
||
|
||
$str_allowed = get_config('system', 'allowed_email');
|
||
$str_not_allowed = get_config('system', 'not_allowed_email');
|
||
|
||
if(! $str_allowed && ! $str_not_allowed)
|
||
return true;
|
||
|
||
$return = false;
|
||
$found_allowed = false;
|
||
$found_not_allowed = false;
|
||
|
||
$fnmatch = function_exists('fnmatch');
|
||
|
||
$allowed = explode(',', $str_allowed);
|
||
|
||
if(count($allowed)) {
|
||
foreach($allowed as $a) {
|
||
$pat = strtolower(trim($a));
|
||
if(($fnmatch && fnmatch($pat,$email)) || ($pat == $domain)) {
|
||
$found_allowed = true;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
$not_allowed = explode(',', $str_not_allowed);
|
||
|
||
if(count($not_allowed)) {
|
||
foreach($not_allowed as $na) {
|
||
$pat = strtolower(trim($na));
|
||
if(($fnmatch && fnmatch($pat,$email)) || ($pat == $domain)) {
|
||
$found_not_allowed = true;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
if ($found_allowed) {
|
||
$return = true;
|
||
} elseif (!$str_allowed && !$found_not_allowed) {
|
||
$return = true;
|
||
}
|
||
|
||
return $return;
|
||
}
|
||
|
||
|
||
|
||
function parse_xml_string($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 === false) {
|
||
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;
|
||
}
|
||
|
||
|
||
function sxml2array ( $xmlObject, $out = array () )
|
||
{
|
||
foreach ( (array) $xmlObject as $index => $node )
|
||
$out[$index] = ( is_object ( $node ) ) ? sxml2array ( $node ) : $node;
|
||
|
||
return $out;
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief Scales an external image.
|
||
*
|
||
* @param string $s
|
||
* @param string $include_link default true
|
||
* @param string $scale_replace default false
|
||
* @return string
|
||
*/
|
||
function scale_external_images($s, $include_link = true, $scale_replace = false) {
|
||
|
||
// Picture addresses can contain special characters
|
||
$s = htmlspecialchars_decode($s, ENT_COMPAT);
|
||
|
||
$matches = null;
|
||
$c = preg_match_all('/\[([zi])mg(.*?)\](.*?)\[\/[zi]mg\]/ism', $s, $matches, PREG_SET_ORDER);
|
||
if($c) {
|
||
require_once('include/photo/photo_driver.php');
|
||
|
||
foreach($matches as $mtch) {
|
||
logger('data: ' . $mtch[2] . ' ' . $mtch[3]);
|
||
|
||
if(substr($mtch[1],0,1) == '=') {
|
||
$owidth = intval(substr($mtch[2],1));
|
||
if(intval($owidth) > 0 && intval($owidth) < 1024)
|
||
continue;
|
||
}
|
||
|
||
$hostname = str_replace('www.','',substr(z_root(),strpos(z_root(),'://')+3));
|
||
if(stristr($mtch[3],$hostname))
|
||
continue;
|
||
|
||
// $scale_replace, if passed, is an array of two elements. The
|
||
// first is the name of the full-size image. The second is the
|
||
// name of a remote, scaled-down version of the full size image.
|
||
// This allows Friendica to display the smaller remote image if
|
||
// one exists, while still linking to the full-size image
|
||
if($scale_replace)
|
||
$scaled = str_replace($scale_replace[0], $scale_replace[1], $mtch[3]);
|
||
else
|
||
$scaled = $mtch[3];
|
||
|
||
if(! strpbrk(substr($scaled, 0, 1), 'zhfmt'))
|
||
continue;
|
||
|
||
$i = z_fetch_url($scaled, true);
|
||
|
||
$cache = get_config('system', 'itemcache');
|
||
if (($cache != '') and is_dir($cache)) {
|
||
$cachefile = $cache . '/' . hash('md5', $scaled);
|
||
file_put_contents($cachefile, $i['body']);
|
||
}
|
||
|
||
// guess mimetype from headers or filename
|
||
|
||
$type = guess_image_type($mtch[3], $i['header']);
|
||
if(strpos($type, 'image') === false)
|
||
continue;
|
||
|
||
if($i['success']) {
|
||
$ph = photo_factory($i['body'], $type);
|
||
|
||
if(! is_object($ph))
|
||
continue;
|
||
|
||
if($ph->is_valid()) {
|
||
$orig_width = $ph->getWidth();
|
||
$orig_height = $ph->getHeight();
|
||
|
||
if($orig_width > 1024 || $orig_height > 1024) {
|
||
$tag = (($match[1] == 'z') ? 'zmg' : 'img');
|
||
$linktag = (($match[1] == 'z') ? 'zrl' : 'url');
|
||
$ph->scaleImage(1024);
|
||
$new_width = $ph->getWidth();
|
||
$new_height = $ph->getHeight();
|
||
logger('data: ' . $orig_width . '->' . $new_width . 'w ' . $orig_height . '->' . $new_height . 'h' . ' match: ' . $mtch[0], LOGGER_DEBUG);
|
||
$s = str_replace($mtch[0],'[' . $tag . '=' . $new_width . 'x' . $new_height. ']' . $scaled . '[/' . $tag . ']'
|
||
. "\n" . (($include_link)
|
||
? '[' . $linktag . '=' . $mtch[3] . ']' . t('view full size') . '[/' . $linktag . ']' . "\n"
|
||
: ''),$s);
|
||
logger('new string: ' . $s, LOGGER_DEBUG);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// replace the special char encoding
|
||
|
||
$s = htmlspecialchars($s, ENT_COMPAT, 'UTF-8');
|
||
|
||
return $s;
|
||
}
|
||
|
||
/**
|
||
* @brief xml2array() will convert the given XML text to an array in the XML structure.
|
||
*
|
||
* Link: http://www.bin-co.com/php/scripts/xml2array/
|
||
* Portions significantly re-written by mike@macgirvin.com
|
||
* (namespaces, lowercase tags, get_attribute default changed, more...)
|
||
*
|
||
* Examples: $array = xml2array(file_get_contents('feed.xml'));
|
||
* $array = xml2array(file_get_contents('feed.xml', true, 1, 'attribute'));
|
||
*
|
||
* @param string $contents The XML text
|
||
* @param boolean $namespaces true or false include namespace information in the returned array as array elements
|
||
* @param int $get_attributes 1 or 0. If this is 1 the function will get the attributes as well as the tag values - this results in a different array structure in the return value.
|
||
* @param string $priority Can be 'tag' or 'attribute'. This will change the way the resulting array sturcture. For 'tag', the tags are given more importance.
|
||
*
|
||
* @return array The parsed XML in an array form. Use print_r() to see the resulting array structure.
|
||
*/
|
||
function xml2array($contents, $namespaces = true, $get_attributes=1, $priority = 'attribute') {
|
||
if(!$contents)
|
||
return array();
|
||
|
||
if(!function_exists('xml_parser_create')) {
|
||
logger('xml2array: parser function missing');
|
||
return array();
|
||
}
|
||
|
||
libxml_use_internal_errors(true);
|
||
libxml_clear_errors();
|
||
|
||
if($namespaces)
|
||
$parser = @xml_parser_create_ns("UTF-8",':');
|
||
else
|
||
$parser = @xml_parser_create();
|
||
|
||
if(! $parser) {
|
||
logger('xml2array: xml_parser_create: no resource');
|
||
return array();
|
||
}
|
||
|
||
xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, "UTF-8");
|
||
// http://minutillo.com/steve/weblog/2004/6/17/php-xml-and-character-encodings-a-tale-of-sadness-rage-and-data-loss
|
||
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
|
||
xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
|
||
@xml_parse_into_struct($parser, trim($contents), $xml_values);
|
||
@xml_parser_free($parser);
|
||
|
||
if(! $xml_values) {
|
||
logger('xml2array: libxml: parse error: ' . $contents, 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;
|
||
}
|
||
|
||
//Initializations
|
||
$xml_array = array();
|
||
$parents = array();
|
||
$opened_tags = array();
|
||
$arr = array();
|
||
|
||
$current = &$xml_array; // Reference
|
||
|
||
// Go through the tags.
|
||
$repeated_tag_index = array(); // Multiple tags with same name will be turned into an array
|
||
foreach($xml_values as $data) {
|
||
unset($attributes,$value); // Remove existing values, or there will be trouble
|
||
|
||
// This command will extract these variables into the foreach scope
|
||
// tag(string), type(string), level(int), attributes(array).
|
||
extract($data); // We could use the array by itself, but this cooler.
|
||
|
||
$result = array();
|
||
$attributes_data = array();
|
||
|
||
if(isset($value)) {
|
||
if($priority == 'tag') $result = $value;
|
||
else $result['value'] = $value; // Put the value in a assoc array if we are in the 'Attribute' mode
|
||
}
|
||
|
||
//Set the attributes too.
|
||
if(isset($attributes) and $get_attributes) {
|
||
foreach($attributes as $attr => $val) {
|
||
if($priority == 'tag') $attributes_data[$attr] = $val;
|
||
else $result['@attributes'][$attr] = $val; // Set all the attributes in a array called 'attr'
|
||
}
|
||
}
|
||
|
||
// See tag status and do the needed.
|
||
if($namespaces && strpos($tag,':')) {
|
||
$namespc = substr($tag,0,strrpos($tag,':'));
|
||
$tag = strtolower(substr($tag,strlen($namespc)+1));
|
||
$result['@namespace'] = $namespc;
|
||
}
|
||
$tag = strtolower($tag);
|
||
|
||
if($type == "open") { // The starting of the tag '<tag>'
|
||
$parent[$level-1] = &$current;
|
||
if(!is_array($current) or (!in_array($tag, array_keys($current)))) { // Insert New tag
|
||
$current[$tag] = $result;
|
||
if($attributes_data) $current[$tag. '_attr'] = $attributes_data;
|
||
$repeated_tag_index[$tag.'_'.$level] = 1;
|
||
|
||
$current = &$current[$tag];
|
||
|
||
} else { // There was another element with the same tag name
|
||
|
||
if(isset($current[$tag][0])) { // If there is a 0th element it is already an array
|
||
$current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result;
|
||
$repeated_tag_index[$tag.'_'.$level]++;
|
||
} else { // This section will make the value an array if multiple tags with the same name appear together
|
||
$current[$tag] = array($current[$tag],$result); // This will combine the existing item and the new item together to make an array
|
||
$repeated_tag_index[$tag.'_'.$level] = 2;
|
||
|
||
if(isset($current[$tag.'_attr'])) { // The attribute of the last(0th) tag must be moved as well
|
||
$current[$tag]['0_attr'] = $current[$tag.'_attr'];
|
||
unset($current[$tag.'_attr']);
|
||
}
|
||
}
|
||
$last_item_index = $repeated_tag_index[$tag.'_'.$level]-1;
|
||
$current = &$current[$tag][$last_item_index];
|
||
}
|
||
|
||
} elseif($type == "complete") { // Tags that ends in 1 line '<tag />'
|
||
//See if the key is already taken.
|
||
if(!isset($current[$tag])) { //New Key
|
||
$current[$tag] = $result;
|
||
$repeated_tag_index[$tag.'_'.$level] = 1;
|
||
if($priority == 'tag' and $attributes_data)
|
||
$current[$tag. '_attr'] = $attributes_data;
|
||
|
||
} else { // If taken, put all things inside a list(array)
|
||
if(isset($current[$tag][0]) and is_array($current[$tag])) { // If it is already an array...
|
||
|
||
// ...push the new element into that array.
|
||
$current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result;
|
||
|
||
if($priority == 'tag' and $get_attributes and $attributes_data) {
|
||
$current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data;
|
||
}
|
||
$repeated_tag_index[$tag.'_'.$level]++;
|
||
} else { // If it is not an array...
|
||
$current[$tag] = array($current[$tag],$result); //...Make it an array using using the existing value and the new value
|
||
$repeated_tag_index[$tag.'_'.$level] = 1;
|
||
if($priority == 'tag' and $get_attributes) {
|
||
if(isset($current[$tag.'_attr'])) { // The attribute of the last(0th) tag must be moved as well
|
||
$current[$tag]['0_attr'] = $current[$tag.'_attr'];
|
||
unset($current[$tag.'_attr']);
|
||
}
|
||
|
||
if($attributes_data) {
|
||
$current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data;
|
||
}
|
||
}
|
||
$repeated_tag_index[$tag.'_'.$level]++; // 0 and 1 indexes are already taken
|
||
}
|
||
}
|
||
|
||
} elseif($type == 'close') { // End of tag '</tag>'
|
||
$current = &$parent[$level-1];
|
||
}
|
||
}
|
||
|
||
return($xml_array);
|
||
}
|
||
|
||
|
||
function email_header_encode($in_str, $charset = 'UTF-8') {
|
||
$out_str = $in_str;
|
||
$need_to_convert = false;
|
||
|
||
for($x = 0; $x < strlen($in_str); $x ++) {
|
||
if((ord($in_str[$x]) == 0) || ((ord($in_str[$x]) > 128))) {
|
||
$need_to_convert = true;
|
||
}
|
||
}
|
||
|
||
if(! $need_to_convert)
|
||
return $in_str;
|
||
|
||
if ($out_str && $charset) {
|
||
|
||
// define start delimimter, end delimiter and spacer
|
||
$end = "?=";
|
||
$start = "=?" . $charset . "?B?";
|
||
$spacer = $end . "\r\n " . $start;
|
||
|
||
// determine length of encoded text within chunks
|
||
// and ensure length is even
|
||
$length = 75 - strlen($start) - strlen($end);
|
||
|
||
/*
|
||
[EDIT BY danbrown AT php DOT net: The following
|
||
is a bugfix provided by (gardan AT gmx DOT de)
|
||
on 31-MAR-2005 with the following note:
|
||
"This means: $length should not be even,
|
||
but divisible by 4. The reason is that in
|
||
base64-encoding 3 8-bit-chars are represented
|
||
by 4 6-bit-chars. These 4 chars must not be
|
||
split between two encoded words, according
|
||
to RFC-2047.
|
||
*/
|
||
$length = $length - ($length % 4);
|
||
|
||
// encode the string and split it into chunks
|
||
// with spacers after each chunk
|
||
$out_str = base64_encode($out_str);
|
||
$out_str = chunk_split($out_str, $length, $spacer);
|
||
|
||
// remove trailing spacer and
|
||
// add start and end delimiters
|
||
$spacer = preg_quote($spacer,'/');
|
||
$out_str = preg_replace("/" . $spacer . "$/", "", $out_str);
|
||
$out_str = $start . $out_str . $end;
|
||
}
|
||
return $out_str;
|
||
}
|
||
|
||
/**
|
||
* @brief Creates an xchan entry for URL.
|
||
*
|
||
* @param string $url URL to discover
|
||
* @param array $arr fallback values if scrape_feed() is empty
|
||
*
|
||
* @return boolean
|
||
*/
|
||
function discover_by_url($url, $arr = null) {
|
||
|
||
$x = scrape_feed($url);
|
||
if(! $x) {
|
||
if(! $arr)
|
||
return false;
|
||
|
||
$network = (($arr['network']) ? $arr['network'] : 'unknown');
|
||
$name = (trim($arr['name']) ? trim($arr['name']) : 'unknown');
|
||
$photo = (($arr['photo']) ? $arr['photo'] : '');
|
||
$addr = (($arr['addr']) ? $arr['addr'] : '');
|
||
$guid = $url;
|
||
}
|
||
|
||
$profile = $url;
|
||
|
||
logger('scrape_feed results: ' . print_r($x,true));
|
||
|
||
if($x['feed_atom'])
|
||
$guid = $x['feed_atom'];
|
||
if($x['feed_rss'])
|
||
$guid = $x['feed_rss'];
|
||
|
||
if(! $guid)
|
||
return false;
|
||
|
||
|
||
// try and discover stuff from the feeed
|
||
|
||
$feed = new SimplePie();
|
||
$level = 0;
|
||
$x = z_fetch_url($guid, false, $level, array('novalidate' => true));
|
||
if(! $x['success']) {
|
||
logger('Feed fetch failed for ' . $guid);
|
||
return false;
|
||
}
|
||
$xml = $x['body'];
|
||
logger('Fetch feed: ' . $guid . ' returns: ' . $xml, LOGGER_DATA);
|
||
logger('scrape_feed: headers: ' . $x['header'], LOGGER_DATA);
|
||
|
||
// Don't try and parse an empty string
|
||
$feed->set_raw_data(($xml) ? $xml : '<?xml version="1.0" encoding="utf-8" ?><xml></xml>');
|
||
|
||
$feed->init();
|
||
if($feed->error())
|
||
logger('scrape_feed: Error parsing XML: ' . $feed->error());
|
||
|
||
$name = unxmlify(trim($feed->get_title()));
|
||
$photo = $feed->get_image_url();
|
||
$author = $feed->get_author();
|
||
|
||
if($author) {
|
||
if(! $name)
|
||
$name = unxmlify(trim($author->get_name()));
|
||
if(! $name) {
|
||
$name = trim(unxmlify($author->get_email()));
|
||
if(strpos($name,'@') !== false)
|
||
$name = substr($name,0,strpos($name,'@'));
|
||
}
|
||
if(! $profile && $author->get_link())
|
||
$profile = trim(unxmlify($author->get_link()));
|
||
if(! $photo) {
|
||
$rawtags = $feed->get_feed_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
|
||
if($rawtags) {
|
||
$elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
|
||
if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo'))
|
||
$photo = $elems['link'][0]['attribs']['']['href'];
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
$item = $feed->get_item(0);
|
||
if($item) {
|
||
$author = $item->get_author();
|
||
if($author) {
|
||
if(! $name) {
|
||
$name = trim(unxmlify($author->get_name()));
|
||
if(! $name)
|
||
$name = trim(unxmlify($author->get_email()));
|
||
if(strpos($name,'@') !== false)
|
||
$name = substr($name,0,strpos($name,'@'));
|
||
}
|
||
if(! $profile && $author->get_link())
|
||
$profile = trim(unxmlify($author->get_link()));
|
||
}
|
||
if(! $photo) {
|
||
$rawmedia = $item->get_item_tags('http://search.yahoo.com/mrss/', 'thumbnail');
|
||
if($rawmedia && $rawmedia[0]['attribs']['']['url'])
|
||
$photo = unxmlify($rawmedia[0]['attribs']['']['url']);
|
||
}
|
||
if(! $photo) {
|
||
$rawtags = $item->get_item_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
|
||
if($rawtags) {
|
||
$elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
|
||
if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo'))
|
||
$photo = $elems['link'][0]['attribs']['']['href'];
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if($guid === $profile)
|
||
$lnk = $feed->get_permalink();
|
||
if(isset($lnk) && strlen($lnk))
|
||
$profile = $lnk;
|
||
|
||
if(! $network) {
|
||
$network = 'rss';
|
||
}
|
||
|
||
if(! $name)
|
||
$name = notags($feed->get_description());
|
||
|
||
if(! trim($name))
|
||
$name = 'unknown';
|
||
|
||
$r = q("select * from xchan where xchan_hash = '%s' limit 1",
|
||
dbesc($guid)
|
||
);
|
||
if($r)
|
||
return true;
|
||
|
||
if(! $photo)
|
||
$photo = z_root() . '/images/rss_icon.png';
|
||
|
||
$r = xchan_store_lowlevel(
|
||
[
|
||
'xchan_hash' => $guid,
|
||
'xchan_guid' => $guid,
|
||
'xchan_addr' => $addr,
|
||
'xchan_url' => $profile,
|
||
'xchan_name' => $name,
|
||
'xchan_name_date' => datetime_convert(),
|
||
'xchan_network' => $network
|
||
]
|
||
);
|
||
|
||
$photos = import_xchan_photo($photo,$guid);
|
||
$r = q("update xchan set xchan_photo_date = '%s', xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s', xchan_photo_mimetype = '%s' where xchan_hash = '%s'",
|
||
dbesc(datetime_convert()),
|
||
dbesc($photos[0]),
|
||
dbesc($photos[1]),
|
||
dbesc($photos[2]),
|
||
dbesc($photos[3]),
|
||
dbesc($guid)
|
||
);
|
||
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* @brief
|
||
*
|
||
* @param string $webbie
|
||
* @param string $protocol (optional) default empty
|
||
* @return boolean
|
||
*/
|
||
function discover_by_webbie($webbie, $protocol = '') {
|
||
|
||
$result = [];
|
||
|
||
$network = null;
|
||
|
||
$x = webfinger_rfc7033($webbie, true);
|
||
if($x && array_key_exists('links',$x) && $x['links']) {
|
||
foreach($x['links'] as $link) {
|
||
if(array_key_exists('rel',$link)) {
|
||
|
||
// If we discover zot - don't search further; grab the info and get out of
|
||
// here.
|
||
|
||
if($link['rel'] === PROTOCOL_ZOT && ((! $protocol) || (strtolower($protocol) === 'zot'))) {
|
||
logger('zot found for ' . $webbie, LOGGER_DEBUG);
|
||
if(array_key_exists('zot',$x) && $x['zot']['success']) {
|
||
$i = import_xchan($x['zot']);
|
||
return true;
|
||
}
|
||
else {
|
||
$z = z_fetch_url($link['href']);
|
||
if($z['success']) {
|
||
$j = json_decode($z['body'],true);
|
||
$i = import_xchan($j);
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
logger('webfinger: ' . print_r($x,true), LOGGER_DATA, LOG_INFO);
|
||
|
||
$arr = [
|
||
'address' => $webbie,
|
||
'protocol' => $protocol,
|
||
'success' => false,
|
||
'xchan' => '',
|
||
'webfinger' => $x
|
||
];
|
||
/**
|
||
* @hooks discover_channel_webfinger
|
||
* Called when performing a webfinger lookup.
|
||
* * \e string \b address - The webbie
|
||
* * \e string \b protocol
|
||
* * \e array \b webfinger - The result from webfinger_rfc7033()
|
||
* * \e boolean \b success - The return value, default false
|
||
*/
|
||
call_hooks('discover_channel_webfinger', $arr);
|
||
if($arr['success'])
|
||
return $arr['xchan'];
|
||
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* @brief Fetch and return a webfinger for a webbie.
|
||
*
|
||
* @param string $webbie - The webbie
|
||
* @param boolean $zot (optional) default false
|
||
* @return boolean|string false or associative array from result JSON
|
||
*/
|
||
function webfinger_rfc7033($webbie, $zot = false) {
|
||
|
||
if(strpos($webbie,'@')) {
|
||
$lhs = substr($webbie,0,strpos($webbie,'@'));
|
||
$rhs = substr($webbie,strpos($webbie,'@')+1);
|
||
$resource = urlencode('acct:' . $webbie);
|
||
}
|
||
else {
|
||
$m = parse_url($webbie);
|
||
if($m) {
|
||
if($m['scheme'] !== 'https')
|
||
return false;
|
||
|
||
$rhs = $m['host'] . (($m['port']) ? ':' . $m['port'] : '');
|
||
$resource = urlencode($webbie);
|
||
}
|
||
else
|
||
return false;
|
||
}
|
||
logger('fetching url from resource: ' . $rhs . ':' . $webbie);
|
||
|
||
$counter = 0;
|
||
$s = z_fetch_url('https://' . $rhs . '/.well-known/webfinger?f=&resource=' . $resource . (($zot) ? '&zot=1' : ''),
|
||
false, $counter, [ 'headers' => [ 'Accept: application/jrd+json, application/json, */*' ] ]);
|
||
|
||
if($s['success']) {
|
||
$j = json_decode($s['body'], true);
|
||
return($j);
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
function old_webfinger($webbie) {
|
||
|
||
$host = '';
|
||
if(strstr($webbie,'@'))
|
||
$host = substr($webbie,strpos($webbie,'@') + 1);
|
||
|
||
if(strlen($host)) {
|
||
$tpl = fetch_lrdd_template($host);
|
||
logger('old_webfinger: lrdd template: ' . $tpl,LOGGER_DATA);
|
||
if(strlen($tpl)) {
|
||
$pxrd = str_replace('{uri}', urlencode('acct:' . $webbie), $tpl);
|
||
logger('old_webfinger: pxrd: ' . $pxrd,LOGGER_DATA);
|
||
$links = fetch_xrd_links($pxrd);
|
||
if(! count($links)) {
|
||
// try with double slashes
|
||
$pxrd = str_replace('{uri}', urlencode('acct://' . $webbie), $tpl);
|
||
logger('old_webfinger: pxrd: ' . $pxrd,LOGGER_DATA);
|
||
$links = fetch_xrd_links($pxrd);
|
||
}
|
||
return $links;
|
||
}
|
||
}
|
||
return array();
|
||
}
|
||
|
||
|
||
function fetch_lrdd_template($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: ' . $url1, LOGGER_DEBUG);
|
||
logger('template (https): ' . print_r($links,true),LOGGER_DEBUG);
|
||
if(! count($links)) {
|
||
logger('fetch_lrdd_template from: ' . $url2);
|
||
$links = fetch_xrd_links($url2);
|
||
logger('template (http): ' . print_r($links,true),LOGGER_DEBUG);
|
||
}
|
||
if(count($links)) {
|
||
foreach($links as $link)
|
||
if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd' && (!$link['@attributes']['type'] || $link['@attributes']['type'] === 'application/xrd+xml'))
|
||
$tpl = $link['@attributes']['template'];
|
||
}
|
||
if(! strpos($tpl,'{uri}'))
|
||
$tpl = '';
|
||
|
||
return $tpl;
|
||
}
|
||
|
||
|
||
function fetch_xrd_links($url) {
|
||
|
||
logger('url: ' . $url, LOGGER_DEBUG);
|
||
|
||
$redirects = 0;
|
||
$x = z_fetch_url($url,false,$redirects,array('timeout' => 20));
|
||
|
||
if(! $x['success'])
|
||
return array();
|
||
|
||
$xml = $x['body'];
|
||
logger('data: ' . $xml, LOGGER_DATA);
|
||
|
||
if ((! $xml) || (! stristr($xml,'<xrd')))
|
||
return array();
|
||
|
||
$h = parse_xml_string($xml);
|
||
if($h === false)
|
||
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 = $alias;
|
||
if(is_array($aliases) && count($aliases)) {
|
||
foreach($aliases as $alias) {
|
||
$links[]['@attributes'] = array('rel' => 'alias' , 'href' => $alias);
|
||
}
|
||
}
|
||
}
|
||
|
||
if(isset($arr['xrd']['subject'])) {
|
||
$links[]['@attributes'] = array('rel' => 'subject' , 'href' => $arr['xrd']['subject']);
|
||
}
|
||
|
||
logger('data: ' . print_r($links, true), LOGGER_DATA);
|
||
|
||
return $links;
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief
|
||
*
|
||
* @param string $url The URL to scrape
|
||
* @return array
|
||
*/
|
||
|
||
function scrape_feed($url) {
|
||
require_once('library/HTML5/Parser.php');
|
||
|
||
$ret = array();
|
||
$level = 0;
|
||
$x = z_fetch_url($url,false,$level,array('novalidate' => true));
|
||
|
||
if(! $x['success'])
|
||
return $ret;
|
||
|
||
$headers = $x['header'];
|
||
$code = $x['return_code'];
|
||
$s = $x['body'];
|
||
|
||
logger('returns: ' . $code . ' headers=' . $headers, LOGGER_DEBUG);
|
||
|
||
if(! $s) {
|
||
logger('No data returned for ' . $url);
|
||
return $ret;
|
||
}
|
||
|
||
$lines = explode("\n", $headers);
|
||
if(count($lines)) {
|
||
foreach($lines as $line) {
|
||
if(stristr($line,'content-type:')) {
|
||
if(stristr($line,'application/atom+xml') || stristr($s,'<feed')) {
|
||
$ret['feed_atom'] = $url;
|
||
return $ret;
|
||
}
|
||
if(stristr($line,'application/rss+xml') || stristr($s,'<rss')) {
|
||
$ret['feed_rss'] = $url;
|
||
return $ret;
|
||
}
|
||
}
|
||
}
|
||
// perhaps an RSS version 1 feed with a generic or incorrect content-type?
|
||
if(stristr($s,'</item>')) {
|
||
$ret['feed_rss'] = $url;
|
||
return $ret;
|
||
}
|
||
}
|
||
|
||
try {
|
||
$dom = HTML5_Parser::parse($s);
|
||
} catch (DOMException $e) {
|
||
logger('Parse error: ' . $e);
|
||
}
|
||
|
||
if(! $dom) {
|
||
logger('Failed to parse.');
|
||
return $ret;
|
||
}
|
||
|
||
$head = $dom->getElementsByTagName('base');
|
||
if($head) {
|
||
foreach($head as $head0) {
|
||
$basename = $head0->getAttribute('href');
|
||
break;
|
||
}
|
||
}
|
||
if(! $basename)
|
||
$basename = implode('/', array_slice(explode('/',$url),0,3)) . '/';
|
||
|
||
$items = $dom->getElementsByTagName('link');
|
||
|
||
// get Atom/RSS link elements, take the first one of either.
|
||
|
||
if($items) {
|
||
foreach($items as $item) {
|
||
$x = $item->getAttribute('rel');
|
||
if(($x === 'alternate') && ($item->getAttribute('type') === 'application/atom+xml')) {
|
||
if(! x($ret,'feed_atom'))
|
||
$ret['feed_atom'] = $item->getAttribute('href');
|
||
}
|
||
if(($x === 'alternate') && ($item->getAttribute('type') === 'application/rss+xml')) {
|
||
if(! x($ret,'feed_rss'))
|
||
$ret['feed_rss'] = $item->getAttribute('href');
|
||
}
|
||
}
|
||
}
|
||
|
||
// Drupal and perhaps others only provide relative URL's. Turn them into absolute.
|
||
|
||
if(x($ret,'feed_atom') && (! strstr($ret['feed_atom'],'://')))
|
||
$ret['feed_atom'] = $basename . $ret['feed_atom'];
|
||
if(x($ret,'feed_rss') && (! strstr($ret['feed_rss'],'://')))
|
||
$ret['feed_rss'] = $basename . $ret['feed_rss'];
|
||
|
||
return $ret;
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
function do_delivery($deliveries, $force = false) {
|
||
|
||
// $force is set if a site that wasn't responding suddenly returns to life.
|
||
// Try and shove through everything going to that site while it's responding.
|
||
|
||
if(! (is_array($deliveries) && count($deliveries)))
|
||
return;
|
||
|
||
|
||
$x = q("select count(outq_hash) as total from outq where outq_delivered = 0");
|
||
if(intval($x[0]['total']) > intval(get_config('system','force_queue_threshold',300)) && (! $force)) {
|
||
logger('immediate delivery deferred.', LOGGER_DEBUG, LOG_INFO);
|
||
foreach($deliveries as $d) {
|
||
update_queue_item($d);
|
||
}
|
||
return;
|
||
}
|
||
|
||
|
||
$interval = ((get_config('system','delivery_interval') !== false)
|
||
? intval(get_config('system','delivery_interval')) : 2 );
|
||
|
||
$deliveries_per_process = intval(get_config('system','delivery_batch_count'));
|
||
|
||
if($deliveries_per_process <= 0)
|
||
$deliveries_per_process = 1;
|
||
|
||
|
||
$deliver = array();
|
||
foreach($deliveries as $d) {
|
||
|
||
if(! $d)
|
||
continue;
|
||
|
||
$deliver[] = $d;
|
||
|
||
if(count($deliver) >= $deliveries_per_process) {
|
||
Zotlabs\Daemon\Master::Summon(array('Deliver',$deliver));
|
||
$deliver = array();
|
||
if($interval)
|
||
@time_sleep_until(microtime(true) + (float) $interval);
|
||
}
|
||
}
|
||
|
||
// catch any stragglers
|
||
|
||
if($deliver)
|
||
Zotlabs\Daemon\Master::Summon(array('Deliver',$deliver));
|
||
}
|
||
|
||
|
||
function get_site_info() {
|
||
|
||
$register_policy = Array('REGISTER_CLOSED', 'REGISTER_APPROVE', 'REGISTER_OPEN');
|
||
$directory_mode = Array('DIRECTORY_MODE_NORMAL', 'DIRECTORY_MODE_PRIMARY', 'DIRECTORY_MODE_SECONDARY', 256 => 'DIRECTORY_MODE_STANDALONE');
|
||
|
||
$sql_extra = '';
|
||
|
||
$r = q("select * from channel left join account on account_id = channel_account_id where ( account_roles & 4096 )>0 and account_default_channel = channel_id");
|
||
|
||
|
||
if($r) {
|
||
$admin = array();
|
||
foreach($r as $rr) {
|
||
if($rr['channel_pageflags'] & PAGE_HUBADMIN)
|
||
$admin[] = array( 'name' => $rr['channel_name'], 'address' => channel_reddress($rr), 'channel' => z_root() . '/channel/' . $rr['channel_address']);
|
||
}
|
||
if(! $admin) {
|
||
foreach($r as $rr) {
|
||
$admin[] = array( 'name' => $rr['channel_name'], 'address' => channel_reddress($rr), 'channel' => z_root() . '/channel/' . $rr['channel_address']);
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
$admin = false;
|
||
}
|
||
|
||
$def_service_class = get_config('system','default_service_class');
|
||
if($def_service_class)
|
||
$service_class = get_config('service_class',$def_service_class);
|
||
else
|
||
$service_class = false;
|
||
|
||
$visible_plugins = visible_plugin_list();
|
||
|
||
if(@is_dir('.git') && function_exists('shell_exec'))
|
||
$commit = trim(@shell_exec('git log -1 --format="%h"'));
|
||
if(! isset($commit) || strlen($commit) > 16)
|
||
$commit = '';
|
||
|
||
$site_info = get_config('system','info');
|
||
$site_name = get_config('system','sitename');
|
||
if(! get_config('system','hidden_version_siteinfo')) {
|
||
$version = Zotlabs\Lib\System::get_project_version();
|
||
$tag = Zotlabs\Lib\System::get_std_version();
|
||
|
||
if(@is_dir('.git') && function_exists('shell_exec')) {
|
||
$commit = trim( @shell_exec('git log -1 --format="%h"'));
|
||
}
|
||
|
||
if(! isset($commit) || strlen($commit) > 16)
|
||
$commit = '';
|
||
}
|
||
else {
|
||
$version = $commit = '';
|
||
}
|
||
|
||
//Statistics
|
||
$channels_total_stat = intval(get_config('system','channels_total_stat'));
|
||
$channels_active_halfyear_stat = intval(get_config('system','channels_active_halfyear_stat'));
|
||
$channels_active_monthly_stat = intval(get_config('system','channels_active_monthly_stat'));
|
||
$local_posts_stat = intval(get_config('system','local_posts_stat'));
|
||
$local_comments_stat = intval(get_config('system','local_comments_stat'));
|
||
$hide_in_statistics = intval(get_config('system','hide_in_statistics'));
|
||
$site_expire = intval(get_config('system', 'default_expire_days'));
|
||
|
||
load_config('feature_lock');
|
||
$locked_features = array();
|
||
if(is_array(App::$config['feature_lock']) && count(App::$config['feature_lock'])) {
|
||
foreach(App::$config['feature_lock'] as $k => $v) {
|
||
if($k === 'config_loaded')
|
||
continue;
|
||
|
||
$locked_features[$k] = intval($v);
|
||
}
|
||
}
|
||
|
||
|
||
$data = [
|
||
'url' => z_root(),
|
||
'platform' => Zotlabs\Lib\System::get_platform_name(),
|
||
'site_name' => (($site_name) ? $site_name : ''),
|
||
'version' => $version,
|
||
'version_tag' => $tag,
|
||
'server_role' => Zotlabs\Lib\System::get_server_role(),
|
||
'commit' => $commit,
|
||
'plugins' => $visible_plugins,
|
||
'register_policy' => $register_policy[get_config('system','register_policy')],
|
||
'invitation_only' => (bool) intval(get_config('system','invitation_only')),
|
||
'directory_mode' => $directory_mode[get_config('system','directory_mode')],
|
||
'directory_server' => get_config('system','directory_server'),
|
||
'language' => get_config('system','language'),
|
||
'rss_connections' => (bool) intval(get_config('system','feed_contacts')),
|
||
'expiration' => $site_expire,
|
||
'default_service_restrictions' => $service_class,
|
||
'locked_features' => $locked_features,
|
||
'admin' => $admin,
|
||
'dbdriver' => DBA::$dba->getdriver() . ' ' . ((ACTIVE_DBTYPE == DBTYPE_POSTGRES) ? 'postgres' : 'mysql'),
|
||
'lastpoll' => get_config('system','lastpoll'),
|
||
'info' => (($site_info) ? $site_info : ''),
|
||
'channels_total' => $channels_total_stat,
|
||
'hide_in_statistics' => $hide_in_statistics
|
||
];
|
||
|
||
if(! $hide_in_statistics) {
|
||
$data['channels_active_halfyear'] = $channels_active_halfyear_stat;
|
||
$data['channels_active_monthly'] = $channels_active_monthly_stat;
|
||
$data['local_posts'] = $local_posts_stat;
|
||
$data['local_comments'] = $local_comments_stat;
|
||
}
|
||
|
||
return $data;
|
||
}
|
||
|
||
/**
|
||
* @brief
|
||
*
|
||
* @param string $url
|
||
* @return boolean
|
||
*/
|
||
function check_siteallowed($url) {
|
||
|
||
$retvalue = true;
|
||
|
||
$arr = array('url' => $url);
|
||
/**
|
||
* @hooks check_siteallowed
|
||
* Used to over-ride or bypass the site black/white block lists.
|
||
* * \e string \b url
|
||
* * \e boolean \b allowed - optional return value set in hook
|
||
*/
|
||
call_hooks('check_siteallowed', $arr);
|
||
|
||
if(array_key_exists('allowed',$arr))
|
||
return $arr['allowed'];
|
||
|
||
$bl1 = get_config('system','whitelisted_sites');
|
||
if(is_array($bl1) && $bl1) {
|
||
foreach($bl1 as $bl) {
|
||
if($bl1 === '*')
|
||
$retvalue = true;
|
||
if($bl && strpos($url,$bl) !== false)
|
||
return true;
|
||
}
|
||
}
|
||
$bl1 = get_config('system','blacklisted_sites');
|
||
if(is_array($bl1) && $bl1) {
|
||
foreach($bl1 as $bl) {
|
||
if($bl1 === '*')
|
||
$retvalue = false;
|
||
if($bl && strpos($url,$bl) !== false) {
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
return $retvalue;
|
||
}
|
||
|
||
/**
|
||
* @brief
|
||
*
|
||
* @param string $hash
|
||
* @return boolean
|
||
*/
|
||
function check_channelallowed($hash) {
|
||
|
||
$retvalue = true;
|
||
|
||
$arr = array('hash' => $hash);
|
||
/**
|
||
* @hooks check_channelallowed
|
||
* Used to over-ride or bypass the channel black/white block lists.
|
||
* * \e string \b hash
|
||
* * \e boolean \b allowed - optional return value set in hook
|
||
*/
|
||
call_hooks('check_channelallowed', $arr);
|
||
|
||
if(array_key_exists('allowed',$arr))
|
||
return $arr['allowed'];
|
||
|
||
$bl1 = get_config('system','whitelisted_channels');
|
||
if(is_array($bl1) && $bl1) {
|
||
foreach($bl1 as $bl) {
|
||
if($bl1 === '*')
|
||
$retvalue = true;
|
||
if($bl && strpos($hash,$bl) !== false)
|
||
return true;
|
||
}
|
||
}
|
||
$bl1 = get_config('system','blacklisted_channels');
|
||
if(is_array($bl1) && $bl1) {
|
||
foreach($bl1 as $bl) {
|
||
if($bl1 === '*')
|
||
$retvalue = false;
|
||
if($bl && strpos($hash,$bl) !== false) {
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
return $retvalue;
|
||
}
|
||
|
||
function deliverable_singleton($channel_id,$xchan) {
|
||
|
||
if(array_key_exists('xchan_hash',$xchan))
|
||
$xchan_hash = $xchan['xchan_hash'];
|
||
elseif(array_key_exists('hubloc_hash',$xchan))
|
||
$xchan_hash = $xchan['hubloc_hash'];
|
||
else
|
||
return true;
|
||
|
||
$r = q("select abook_instance from abook where abook_channel = %d and abook_xchan = '%s' limit 1",
|
||
intval($channel_id),
|
||
dbesc($xchan_hash)
|
||
);
|
||
if($r) {
|
||
if(! $r[0]['abook_instance'])
|
||
return true;
|
||
if(strpos($r[0]['abook_instance'],z_root()) !== false)
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|
||
|
||
|
||
|
||
function get_repository_version($branch = 'master') {
|
||
|
||
$path = "https://framagit.org/hubzilla/core/raw/$branch/boot.php";
|
||
|
||
$x = z_fetch_url($path);
|
||
if($x['success']) {
|
||
$y = preg_match('/define(.*?)STD_VERSION(.*?)([0-9.].*)\'/',$x['body'],$matches);
|
||
if($y)
|
||
return $matches[3];
|
||
}
|
||
return '?.?';
|
||
}
|
||
|
||
/**
|
||
* @brief Get translated network name.
|
||
*
|
||
* @param string $s Network string, see boot.php
|
||
* @return string Translated name of the network
|
||
*/
|
||
function network_to_name($s) {
|
||
|
||
$nets = array(
|
||
NETWORK_DFRN => t('Friendica'),
|
||
NETWORK_FRND => t('Friendica'),
|
||
NETWORK_OSTATUS => t('OStatus'),
|
||
NETWORK_GNUSOCIAL => t('GNU-Social'),
|
||
NETWORK_FEED => t('RSS/Atom'),
|
||
NETWORK_ACTIVITYPUB => t('ActivityPub'),
|
||
NETWORK_MAIL => t('Email'),
|
||
NETWORK_DIASPORA => t('Diaspora'),
|
||
NETWORK_FACEBOOK => t('Facebook'),
|
||
NETWORK_ZOT => t('Zot'),
|
||
NETWORK_LINKEDIN => t('LinkedIn'),
|
||
NETWORK_XMPP => t('XMPP/IM'),
|
||
NETWORK_MYSPACE => t('MySpace'),
|
||
);
|
||
|
||
/**
|
||
* @hooks network_to_name
|
||
* @deprecated
|
||
*/
|
||
call_hooks('network_to_name', $nets);
|
||
|
||
$search = array_keys($nets);
|
||
$replace = array_values($nets);
|
||
|
||
return str_replace($search, $replace, $s);
|
||
}
|
||
|
||
/**
|
||
* @brief Send a text email message.
|
||
*
|
||
* @param array $params an associative array with:
|
||
* * \e string \b fromName name of the sender
|
||
* * \e string \b fromEmail email of the sender
|
||
* * \e string \b replyTo replyTo address to direct responses
|
||
* * \e string \b toEmail destination email address
|
||
* * \e string \b messageSubject subject of the message
|
||
* * \e string \b htmlVersion html version of the message
|
||
* * \e string \b textVersion text only version of the message
|
||
* * \e string \b additionalMailHeader additions to the smtp mail header
|
||
*/
|
||
function z_mail($params) {
|
||
|
||
if(! $params['fromEmail']) {
|
||
$params['fromEmail'] = get_config('system','from_email');
|
||
if(! $params['fromEmail'])
|
||
$params['fromEmail'] = 'Administrator' . '@' . App::get_hostname();
|
||
}
|
||
if(! $params['fromName']) {
|
||
$params['fromName'] = get_config('system','from_email_name');
|
||
if(! $params['fromName'])
|
||
$params['fromName'] = Zotlabs\Lib\System::get_site_name();
|
||
}
|
||
if(! $params['replyTo']) {
|
||
$params['replyTo'] = get_config('system','reply_address');
|
||
if(! $params['replyTo'])
|
||
$params['replyTo'] = 'noreply' . '@' . App::get_hostname();
|
||
}
|
||
|
||
$params['sent'] = false;
|
||
$params['result'] = false;
|
||
|
||
/**
|
||
* @hooks email_send
|
||
* * \e params @see z_mail()
|
||
*/
|
||
call_hooks('email_send', $params);
|
||
|
||
if($params['sent']) {
|
||
logger('notification: z_mail returns ' . (($params['result']) ? 'success' : 'failure'), LOGGER_DEBUG);
|
||
return $params['result'];
|
||
}
|
||
|
||
$fromName = email_header_encode(html_entity_decode($params['fromName'],ENT_QUOTES,'UTF-8'),'UTF-8');
|
||
$messageSubject = email_header_encode(html_entity_decode($params['messageSubject'],ENT_QUOTES,'UTF-8'),'UTF-8');
|
||
|
||
$messageHeader =
|
||
$params['additionalMailHeader'] .
|
||
"From: $fromName <{$params['fromEmail']}>\n" .
|
||
"Reply-To: $fromName <{$params['replyTo']}>\n" .
|
||
"Content-Type: text/plain; charset=UTF-8";
|
||
|
||
// send the message
|
||
$res = mail(
|
||
$params['toEmail'], // send to address
|
||
$messageSubject, // subject
|
||
$params['textVersion'],
|
||
$messageHeader // message headers
|
||
);
|
||
logger('notification: z_mail returns ' . (($res) ? 'success' : 'failure'), LOGGER_DEBUG);
|
||
return $res;
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief Discover the best API path available for redmatrix/hubzilla servers.
|
||
*
|
||
* @param string $host
|
||
* @return string
|
||
*/
|
||
function probe_api_path($host) {
|
||
|
||
$schemes = ['https', 'http' ];
|
||
$paths = ['/api/z/1.0/version', '/api/red/version' ];
|
||
|
||
foreach($schemes as $scheme) {
|
||
foreach($paths as $path) {
|
||
$curpath = $scheme . '://' . $host . $path;
|
||
$x = z_fetch_url($curpath);
|
||
if($x['success'] && ! strpos($x['body'], 'not implemented'))
|
||
return str_replace('version', '', $curpath);
|
||
}
|
||
}
|
||
|
||
return '';
|
||
}
|
||
|
||
|
||
function scrape_vcard($url) {
|
||
|
||
require_once('library/HTML5/Parser.php');
|
||
|
||
$ret = array();
|
||
|
||
logger('url=' . $url);
|
||
|
||
$x = z_fetch_url($url);
|
||
if(! $x['success'])
|
||
return $ret;
|
||
|
||
$s = $x['body'];
|
||
|
||
if(! $s)
|
||
return $ret;
|
||
|
||
$headers = $x['header'];
|
||
$lines = explode("\n",$headers);
|
||
if(count($lines)) {
|
||
foreach($lines as $line) {
|
||
// don't try and run feeds through the html5 parser
|
||
if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
|
||
return ret;
|
||
}
|
||
}
|
||
|
||
try {
|
||
$dom = HTML5_Parser::parse($s);
|
||
} catch (DOMException $e) {
|
||
logger('Parse error: ' . $e);
|
||
}
|
||
|
||
if(! $dom)
|
||
return $ret;
|
||
|
||
// Pull out hCard profile elements
|
||
|
||
$largest_photo = 0;
|
||
|
||
$items = $dom->getElementsByTagName('*');
|
||
foreach($items as $item) {
|
||
if(attribute_contains($item->getAttribute('class'), 'vcard')) {
|
||
$level2 = $item->getElementsByTagName('*');
|
||
foreach($level2 as $x) {
|
||
if(attribute_contains($x->getAttribute('id'),'pod_location'))
|
||
$ret['pod_location'] = escape_tags($x->textContent);
|
||
if(attribute_contains($x->getAttribute('class'),'fn'))
|
||
$ret['fn'] = escape_tags($x->textContent);
|
||
if(attribute_contains($x->getAttribute('class'),'uid'))
|
||
$ret['uid'] = escape_tags($x->textContent);
|
||
if(attribute_contains($x->getAttribute('class'),'nickname'))
|
||
$ret['nick'] = escape_tags($x->textContent);
|
||
if(attribute_contains($x->getAttribute('class'),'searchable'))
|
||
$ret['searchable'] = escape_tags($x->textContent);
|
||
if(attribute_contains($x->getAttribute('class'),'key'))
|
||
$ret['public_key'] = $x->textContent;
|
||
if(attribute_contains($x->getAttribute('class'),'given_name'))
|
||
$ret['given_name'] = escape_tags($x->textContent);
|
||
if(attribute_contains($x->getAttribute('class'),'family_name'))
|
||
$ret['family_name'] = escape_tags($x->textContent);
|
||
if(attribute_contains($x->getAttribute('class'),'url'))
|
||
$ret['url'] = escape_tags($x->textContent);
|
||
|
||
if((attribute_contains($x->getAttribute('class'),'photo'))
|
||
|| (attribute_contains($x->getAttribute('class'),'avatar'))) {
|
||
$size = intval($x->getAttribute('width'));
|
||
if(($size > $largest_photo) || (! $largest_photo)) {
|
||
$ret['photo'] = $x->getAttribute('src');
|
||
$largest_photo = $size;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
return $ret;
|
||
}
|
||
|
||
function service_plink($contact, $guid) {
|
||
|
||
$plink = '';
|
||
|
||
$m = parse_url($contact['xchan_url']);
|
||
if($m) {
|
||
$url = $m['scheme'] . '://' . $m['host'] . (($m['port']) ? ':' . $m['port'] : '');
|
||
}
|
||
else {
|
||
$url = 'https://' . substr($contact['xchan_addr'],strpos($contact['xchan_addr'],'@')+1);
|
||
}
|
||
|
||
$handle = substr($contact['xchan_addr'], 0, strpos($contact['xchan_addr'],'@'));
|
||
|
||
$plink = $url . '/channel/' . $handle . '?f=&mid=' . $guid;
|
||
|
||
$x = [ 'xchan' => $contact, 'guid' => $guid, 'url' => $url, 'plink' => $plink ];
|
||
/**
|
||
* @hooks service_plink
|
||
* * \e array \b xchan
|
||
* * \e string \b guid
|
||
* * \e string \b url
|
||
* * \e string \b plink will get returned
|
||
*/
|
||
call_hooks('service_plink', $x);
|
||
|
||
return $x['plink'];
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief
|
||
*
|
||
* @param array $mimeTypes
|
||
* @param string $acceptedTypes by default false will use $_SERVER['HTTP_ACCEPT']
|
||
* @return array|NULL
|
||
*/
|
||
function getBestSupportedMimeType($mimeTypes = null, $acceptedTypes = false) {
|
||
// Values will be stored in this array
|
||
$AcceptTypes = [];
|
||
|
||
if($acceptedTypes === false)
|
||
$acceptedTypes = $_SERVER['HTTP_ACCEPT'];
|
||
|
||
// Accept header is case insensitive, and whitespace isn’t important
|
||
$accept = strtolower(str_replace(' ', '', $acceptedTypes));
|
||
// divide it into parts in the place of a ","
|
||
$accept = explode(',', $accept);
|
||
foreach ($accept as $a) {
|
||
// the default quality is 1.
|
||
$q = 1;
|
||
// check if there is a different quality
|
||
if (strpos($a, ';q=')) {
|
||
// divide "mime/type;q=X" into two parts: "mime/type" i "X"
|
||
list($a, $q) = explode(';q=', $a);
|
||
}
|
||
// mime-type $a is accepted with the quality $q
|
||
// WARNING: $q == 0 means, that mime-type isn’t supported!
|
||
$AcceptTypes[$a] = $q;
|
||
}
|
||
arsort($AcceptTypes);
|
||
|
||
// if no parameter was passed, just return parsed data
|
||
if (!$mimeTypes) return $AcceptTypes;
|
||
|
||
$mimeTypes = array_map('strtolower', (array)$mimeTypes);
|
||
|
||
// let’s check our supported types:
|
||
foreach ($AcceptTypes as $mime => $q) {
|
||
if ($q && in_array($mime, $mimeTypes)) return $mime;
|
||
}
|
||
|
||
// no mime-type found
|
||
return null;
|
||
}
|
||
|
||
/**
|
||
* @brief Perform caching for jsonld normaliser.
|
||
*
|
||
* @param string $url
|
||
* @return mixed|boolean|array
|
||
*/
|
||
function jsonld_document_loader($url) {
|
||
|
||
require_once('library/jsonld/jsonld.php');
|
||
|
||
$recursion = 0;
|
||
|
||
$x = debug_backtrace();
|
||
if($x) {
|
||
foreach($x as $n) {
|
||
if($n['function'] === __FUNCTION__) {
|
||
$recursion ++;
|
||
}
|
||
}
|
||
}
|
||
if($recursion > 5) {
|
||
logger('jsonld bomb detected at: ' . $url);
|
||
killme();
|
||
}
|
||
|
||
|
||
$cachepath = 'store/[data]/ldcache';
|
||
if(! is_dir($cachepath))
|
||
os_mkdir($cachepath, STORAGE_DEFAULT_PERMISSIONS, true);
|
||
|
||
$filename = $cachepath . '/' . urlencode($url);
|
||
if(file_exists($filename) && filemtime($filename) > time() - (12 * 60 * 60)) {
|
||
return json_decode(file_get_contents($filename));
|
||
}
|
||
|
||
$r = jsonld_default_document_loader($url);
|
||
if($r) {
|
||
file_put_contents($filename, json_encode($r));
|
||
return $r;
|
||
}
|
||
|
||
logger('not found');
|
||
if(file_exists($filename)) {
|
||
return json_decode(file_get_contents($filename));
|
||
}
|
||
|
||
return [];
|
||
}
|
||
|
||
/**
|
||
* @brief Given a URL, return everything after the host portion.
|
||
* example https://foobar.com/gravy?g=5&y=6
|
||
* returns /gravy?g=5&y=6
|
||
* result always returns the leading slash
|
||
*/
|
||
|
||
function get_request_string($url) {
|
||
|
||
$a = explode('/',$url,4);
|
||
return '/' . ((count($a) > 3) ? $a[3] : EMPTY_STR);
|
||
|
||
}
|