Remove obsolote functions
This commit is contained in:
Michael Vogel
parent
058c93a64c
commit
f27bc00464
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@ -75,6 +75,7 @@ class Probe {
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return false;
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$xrd_data = array();
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foreach ($links["xrd"]["link"] AS $value => $link) {
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if (isset($link["@attributes"]))
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$attributes = $link["@attributes"];
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@ -95,6 +96,109 @@ class Probe {
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return $xrd_data;
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}
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/**
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* @brief Perform Webfinger lookup and return DFRN data
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*
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* Given an email style address, perform webfinger lookup and
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* return the resulting DFRN profile URL, or if no DFRN profile URL
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* is located, returns an OStatus subscription template (prefixed
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* with the string 'stat:' to identify it as on OStatus template).
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* If this isn't an email style address just return $webbie.
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* Return an empty string if email-style addresses but webfinger fails,
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* or if the resultant personal XRD doesn't contain a supported
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* subscription/friend-request attribute.
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*
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* amended 7/9/2011 to return an hcard which could save potentially loading
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* a lengthy content page to scrape dfrn attributes
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*
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* @param string $webbie Address that should be probed
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* @param string $hcard Link to the hcard - is returned by reference
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*
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* @return string profile link
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*/
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public static function webfinger_dfrn($webbie, &$hcard) {
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if (!strstr($webbie, '@'))
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return $webbie;
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$profile_link = '';
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$links = self::webfinger($webbie);
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logger('webfinger_dfrn: '.$webbie.':'.print_r($links,true), LOGGER_DATA);
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if (count($links)) {
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foreach ($links as $link) {
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if ($link['@attributes']['rel'] === NAMESPACE_DFRN)
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$profile_link = $link['@attributes']['href'];
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if ($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
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$profile_link = 'stat:'.$link['@attributes']['template'];
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if ($link['@attributes']['rel'] === 'http://microformats.org/profile/hcard')
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$hcard = $link['@attributes']['href'];
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}
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}
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return $profile_link;
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}
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/**
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* @brief Check an URI for LRDD data
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*
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* this is a replacement for the "lrdd" function in include/network.php.
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* It isn't used in this class and has some redundancies in the code.
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* When time comes we can check the existing calls for "lrdd" if we can rework them.
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*
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* @param string $uri Address that should be probed
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*
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* @return array uri data
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*/
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public static function lrdd($uri) {
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$lrdd = self::xrd($uri);
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if (!$lrdd) {
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$parts = @parse_url($uri);
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if (!$parts)
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return array();
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$host = $parts["host"];
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$path_parts = explode("/", trim($parts["path"], "/"));
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do {
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$lrdd = self::xrd($host);
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$host .= "/".array_shift($path_parts);
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} while (!$lrdd AND (sizeof($path_parts) > 0));
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}
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if (!$lrdd)
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return array();
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foreach ($lrdd AS $key => $link) {
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if ($webfinger)
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continue;
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if (!in_array($key, array("lrdd", "lrdd-xml", "lrdd-json")))
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continue;
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$path = str_replace('{uri}', urlencode($uri), $link);
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$webfinger = self::webfinger($path);
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}
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if (!is_array($webfinger["links"]))
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return false;
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$data = array();
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foreach ($webfinger["links"] AS $link)
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$data[] = array("@attributes" => $link);
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if (is_array($webfinger["aliases"]))
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foreach ($webfinger["aliases"] AS $alias)
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$data[] = array("@attributes" =>
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array("rel" => "alias",
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"href" => $alias));
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return $data;
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}
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/**
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* @brief Fetch information about a given uri
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*
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@ -5,7 +5,7 @@
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*/
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require_once("include/xml.php");
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require_once('include/Probe.php');
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/**
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* @brief Curl wrapper
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@ -371,324 +371,6 @@ function http_status_exit($val, $description = array()) {
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}
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// Given an email style address, perform webfinger lookup and
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// return the resulting DFRN profile URL, or if no DFRN profile URL
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// is located, returns an OStatus subscription template (prefixed
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// with the string 'stat:' to identify it as on OStatus template).
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// If this isn't an email style address just return $webbie.
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// Return an empty string if email-style addresses but webfinger fails,
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// or if the resultant personal XRD doesn't contain a supported
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// subscription/friend-request attribute.
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// amended 7/9/2011 to return an hcard which could save potentially loading
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// a lengthy content page to scrape dfrn attributes
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function webfinger_dfrn($webbie,&$hcard) {
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if(! strstr($webbie,'@')) {
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return $webbie;
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}
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$profile_link = '';
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$links = webfinger($webbie);
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logger('webfinger_dfrn: ' . $webbie . ':' . print_r($links,true), LOGGER_DATA);
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if(count($links)) {
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foreach($links as $link) {
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if($link['@attributes']['rel'] === NAMESPACE_DFRN)
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$profile_link = $link['@attributes']['href'];
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if($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
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$profile_link = 'stat:' . $link['@attributes']['template'];
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if($link['@attributes']['rel'] === 'http://microformats.org/profile/hcard')
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$hcard = $link['@attributes']['href'];
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}
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}
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return $profile_link;
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}
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/**
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* @brief Perform webfinger lookup on an email style address
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*
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* @param string $webbi An email style address
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* @param boolean $debug
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*
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* @return array of link attributes from the personal XRD file
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* empty array on error/failure
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*/
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function webfinger($webbie, $debug = false) {
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$host = '';
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if(strstr($webbie,'@')) {
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$host = substr($webbie,strpos($webbie,'@') + 1);
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}
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if(strlen($host)) {
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$tpl = fetch_lrdd_template($host);
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logger('webfinger: lrdd template: ' . $tpl);
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if(strlen($tpl)) {
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$pxrd = str_replace('{uri}', urlencode('acct:' . $webbie), $tpl);
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logger('webfinger: pxrd: ' . $pxrd);
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$links = fetch_xrd_links($pxrd);
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if(! count($links)) {
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// try with double slashes
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$pxrd = str_replace('{uri}', urlencode('acct://' . $webbie), $tpl);
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logger('webfinger: pxrd: ' . $pxrd);
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$links = fetch_xrd_links($pxrd);
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}
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return $links;
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}
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}
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return array();
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}
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function lrdd($uri, $debug = false) {
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$a = get_app();
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// default priority is host priority, host-meta first
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$priority = 'host';
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// All we have is an email address. Resource-priority is irrelevant
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// because our URI isn't directly resolvable.
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if(strstr($uri,'@')) {
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return(webfinger($uri));
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}
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// get the host meta file
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$host = @parse_url($uri);
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if($host) {
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$url = ((x($host,'scheme')) ? $host['scheme'] : 'http') . '://';
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$url .= $host['host'] . '/.well-known/host-meta' ;
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}
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else
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return array();
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logger('lrdd: constructed url: ' . $url);
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$xml = fetch_url($url);
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$headers = $a->get_curl_headers();
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if (! $xml)
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return array();
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logger('lrdd: host_meta: ' . $xml, LOGGER_DATA);
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if(! stristr($xml,'<xrd'))
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return array();
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$h = parse_xml_string($xml);
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if(! $h)
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return array();
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$arr = xml::element_to_array($h);
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if(isset($arr['xrd']['property'])) {
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$property = $arr['crd']['property'];
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if(! isset($property[0]))
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$properties = array($property);
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else
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$properties = $property;
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foreach($properties as $prop)
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if((string) $prop['@attributes'] === 'http://lrdd.net/priority/resource')
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$priority = 'resource';
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}
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// save the links in case we need them
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$links = array();
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if(isset($arr['xrd']['link'])) {
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$link = $arr['xrd']['link'];
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if(! isset($link[0]))
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$links = array($link);
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else
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$links = $link;
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}
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// do we have a template or href?
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if(count($links)) {
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foreach($links as $link) {
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if($link['@attributes']['rel'] && attribute_contains($link['@attributes']['rel'],'lrdd')) {
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if(x($link['@attributes'],'template'))
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$tpl = $link['@attributes']['template'];
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elseif(x($link['@attributes'],'href'))
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$href = $link['@attributes']['href'];
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}
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}
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}
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if((! isset($tpl)) || (! strpos($tpl,'{uri}')))
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$tpl = '';
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if($priority === 'host') {
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if(strlen($tpl))
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$pxrd = str_replace('{uri}', urlencode($uri), $tpl);
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elseif(isset($href))
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$pxrd = $href;
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if(isset($pxrd)) {
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logger('lrdd: (host priority) pxrd: ' . $pxrd);
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$links = fetch_xrd_links($pxrd);
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return $links;
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}
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$lines = explode("\n",$headers);
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if(count($lines)) {
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foreach($lines as $line) {
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if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
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return(fetch_xrd_links($matches[1]));
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break;
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}
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}
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}
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}
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// priority 'resource'
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$html = fetch_url($uri);
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$headers = $a->get_curl_headers();
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logger('lrdd: headers=' . $headers, LOGGER_DEBUG);
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// don't try and parse raw xml as html
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if(! strstr($html,'<?xml')) {
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require_once('library/HTML5/Parser.php');
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try {
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$dom = HTML5_Parser::parse($html);
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} catch (DOMException $e) {
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logger('lrdd: parse error: ' . $e);
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}
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if(isset($dom) && $dom) {
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$items = $dom->getElementsByTagName('link');
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foreach($items as $item) {
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$x = $item->getAttribute('rel');
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if($x == "lrdd") {
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$pagelink = $item->getAttribute('href');
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break;
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}
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}
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}
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}
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if(isset($pagelink))
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return(fetch_xrd_links($pagelink));
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// next look in HTTP headers
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$lines = explode("\n",$headers);
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if(count($lines)) {
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foreach($lines as $line) {
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/// @TODO Alter the following regex to support multiple relations (space separated)
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if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
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$pagelink = $matches[1];
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break;
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}
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// don't try and run feeds through the html5 parser
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if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
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return array();
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if(stristr($html,'<rss') || stristr($html,'<feed'))
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return array();
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}
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}
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if(isset($pagelink))
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return(fetch_xrd_links($pagelink));
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// If we haven't found any links, return the host xrd links (which we have already fetched)
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if(isset($links))
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return $links;
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return array();
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}
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// Given a host name, locate the LRDD template from that
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// host. Returns the LRDD template or an empty string on
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// error/failure.
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function fetch_lrdd_template($host) {
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$tpl = '';
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$url1 = 'https://' . $host . '/.well-known/host-meta' ;
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$url2 = 'http://' . $host . '/.well-known/host-meta' ;
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$links = fetch_xrd_links($url1);
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logger('fetch_lrdd_template from: ' . $url1);
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logger('template (https): ' . print_r($links,true));
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if(! count($links)) {
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logger('fetch_lrdd_template from: ' . $url2);
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$links = fetch_xrd_links($url2);
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logger('template (http): ' . print_r($links,true));
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}
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if(count($links)) {
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foreach($links as $link)
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if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd' && (!$link['@attributes']['type'] || $link['@attributes']['type'] === 'application/xrd+xml'))
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$tpl = $link['@attributes']['template'];
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}
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if(! strpos($tpl,'{uri}'))
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$tpl = '';
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return $tpl;
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}
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/**
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* @brief Given a URL, retrieve the page as an XRD document.
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*
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* @param string $url An url
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* @return array of links
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* return empty array on error/failure
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*/
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function fetch_xrd_links($url) {
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$xrd_timeout = intval(get_config('system','xrd_timeout'));
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$redirects = 0;
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$xml = fetch_url($url,false,$redirects,(($xrd_timeout) ? $xrd_timeout : 20), "application/xrd+xml");
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logger('fetch_xrd_links: ' . $xml, LOGGER_DATA);
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if ((! $xml) || (! stristr($xml,'<xrd')))
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return array();
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// fix diaspora's bad xml
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$xml = str_replace(array('href="','"/>'),array('href="','"/>'),$xml);
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$h = parse_xml_string($xml);
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if(! $h)
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return array();
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$arr = xml::element_to_array($h);
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$links = array();
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if(isset($arr['xrd']['link'])) {
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$link = $arr['xrd']['link'];
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if(! isset($link[0]))
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$links = array($link);
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else
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$links = $link;
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}
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if(isset($arr['xrd']['alias'])) {
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$alias = $arr['xrd']['alias'];
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if(! isset($alias[0]))
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$aliases = array($alias);
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else
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$aliases = $alias;
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if(is_array($aliases) && count($aliases)) {
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foreach($aliases as $alias) {
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$links[]['@attributes'] = array('rel' => 'alias' , 'href' => $alias);
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}
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}
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}
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logger('fetch_xrd_links: ' . print_r($links,true), LOGGER_DATA);
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return $links;
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}
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/**
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* @brief Check URL to se if ts's real
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*
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@ -1,15 +1,14 @@
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<?php
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require_once('include/crypto.php');
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require_once('include/Probe.php');
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function get_salmon_key($uri,$keyhash) {
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$ret = array();
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logger('Fetching salmon key for '.$uri);
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$arr = lrdd($uri);
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$arr = Probe::lrdd($uri);
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if(is_array($arr)) {
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foreach($arr as $a) {
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@ -16,6 +16,7 @@
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require_once('include/enotify.php');
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require_once('include/group.php');
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require_once('include/Probe.php');
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function dfrn_confirm_post(&$a,$handsfree = null) {
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@ -356,7 +357,7 @@ function dfrn_confirm_post(&$a,$handsfree = null) {
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$poll = (($contact['poll']) ? $contact['poll'] : '');
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if((! $contact['notify']) || (! $contact['poll'])) {
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$arr = lrdd($contact['url']);
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$arr = Probe::lrdd($contact['url']);
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if(count($arr)) {
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foreach($arr as $link) {
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if($link['@attributes']['rel'] === 'salmon')
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@ -448,7 +448,7 @@ function dfrn_request_post(&$a) {
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$network = $data["network"];
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// Canonicalise email-style profile locator
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$url = webfinger_dfrn($url,$hcard);
|
||||
$url = Probe::webfinger_dfrn($url,$hcard);
|
||||
|
||||
if (substr($url,0,5) === 'stat:') {
|
||||
|
||||
|
|
|
|||
|
|
@ -8,6 +8,7 @@ require_once('include/security.php');
|
|||
require_once('include/redir.php');
|
||||
require_once('include/tags.php');
|
||||
require_once('include/threads.php');
|
||||
require_once('include/Probe.php');
|
||||
|
||||
function photos_init(&$a) {
|
||||
|
||||
|
|
@ -552,7 +553,7 @@ function photos_post(&$a) {
|
|||
$name = substr($tag,1);
|
||||
if((strpos($name,'@')) || (strpos($name,'http://'))) {
|
||||
$newname = $name;
|
||||
$links = @lrdd($name);
|
||||
$links = @Probe::lrdd($name);
|
||||
if(count($links)) {
|
||||
foreach($links as $link) {
|
||||
if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
|
||||
|
|
|
|||
|
|
@ -1,5 +1,6 @@
|
|||
<?php
|
||||
require_once("include/Contact.php");
|
||||
require_once('include/Probe.php');
|
||||
|
||||
function profiles_init(&$a) {
|
||||
|
||||
|
|
@ -251,7 +252,7 @@ function profiles_post(&$a) {
|
|||
$lookup = str_replace('_',' ', $lookup);
|
||||
if(strpos($lookup,'@') || (strpos($lookup,'http://'))) {
|
||||
$newname = $lookup;
|
||||
$links = @lrdd($lookup);
|
||||
$links = @Probe::lrdd($lookup);
|
||||
if(count($links)) {
|
||||
foreach($links as $link) {
|
||||
if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page') {
|
||||
|
|
|
|||
|
|
@ -1,6 +1,5 @@
|
|||
<?php
|
||||
|
||||
|
||||
require_once("include/Probe.php");
|
||||
|
||||
function webfinger_content(&$a) {
|
||||
|
||||
|
|
@ -8,16 +7,13 @@ function webfinger_content(&$a) {
|
|||
|
||||
$o .= '<form action="webfinger" method="get">';
|
||||
$o .= 'Lookup address: <input type="text" style="width: 250px;" name="addr" value="' . $_GET['addr'] .'" />';
|
||||
$o .= '<input type="submit" name="submit" value="Submit" /></form>';
|
||||
$o .= '<input type="submit" name="submit" value="Submit" /></form>';
|
||||
|
||||
$o .= '<br /><br />';
|
||||
|
||||
if(x($_GET,'addr')) {
|
||||
$addr = trim($_GET['addr']);
|
||||
if(strpos($addr,'@' !== false))
|
||||
$res = webfinger($addr);
|
||||
else
|
||||
$res = lrdd($addr);
|
||||
$res = Probe::lrdd($addr);
|
||||
$o .= '<pre>';
|
||||
$o .= str_replace("\n",'<br />',print_r($res,true));
|
||||
$o .= '</pre>';
|
||||
|
|
|
|||
Loading…
Reference in a new issue