806 lines
		
	
	
	
		
			24 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			806 lines
		
	
	
	
		
			24 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * @brief This class contain functions for probing URL
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 *
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 */
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use \Friendica\Core\Config;
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use \Friendica\Core\PConfig;
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require_once("include/feed.php");
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require_once('include/email.php');
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require_once('include/network.php');
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class Probe {
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	private function rearrange_data($data) {
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		$fields = array("name", "nick", "guid", "url", "addr", "alias",
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				"photo", "community", "keywords", "location", "about",
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				"batch", "notify", "poll", "request", "confirm", "poco",
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				"priority", "network", "pubkey", "baseurl");
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		$newdata = array();
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		foreach ($fields AS $field)
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			if (isset($data[$field]))
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				$newdata[$field] = $data[$field];
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			else
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				$newdata[$field] = "";
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		// We don't use the "priority" field anymore and replace it with a dummy.
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		$newdata["priority"] = 0;
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		return $newdata;
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	}
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	/**
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	 * @brief Probes for XRD data
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	 *
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	 * @return array
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	 *      'lrdd' => Link to LRDD endpoint
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	 *      'lrdd-xml' => Link to LRDD endpoint in XML format
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	 *      'lrdd-json' => Link to LRDD endpoint in JSON format
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	 */
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	private function xrd($host) {
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		$ssl_url = "https://".$host."/.well-known/host-meta";
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		$url = "http://".$host."/.well-known/host-meta";
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		$xrd_timeout = Config::get('system','xrd_timeout', 20);
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		$redirects = 0;
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		$xml = fetch_url($ssl_url, false, $redirects, $xrd_timeout, "application/xrd+xml");
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		$xrd = parse_xml_string($xml, false);
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		if (!is_object($xrd)) {
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			$xml = fetch_url($url, false, $redirects, $xrd_timeout, "application/xrd+xml");
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			$xrd = parse_xml_string($xml, false);
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		}
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		if (!is_object($xrd))
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			return false;
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		$links = xml::element_to_array($xrd);
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		if (!isset($links["xrd"]["link"]))
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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 = $link["@attributes"];
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			elseif ($value == "@attributes")
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				$attributes = $link;
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			else
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				continue;
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			if (($attributes["rel"] == "lrdd") AND
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				($attributes["type"] == "application/xrd+xml"))
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				$xrd_data["lrdd-xml"] = $attributes["template"];
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			elseif (($attributes["rel"] == "lrdd") AND
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				($attributes["type"] == "application/json"))
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				$xrd_data["lrdd-json"] = $attributes["template"];
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			elseif ($attributes["rel"] == "lrdd")
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				$xrd_data["lrdd"] = $attributes["template"];
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		}
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		return $xrd_data;
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	}
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	public static function uri($uri, $network = "", $cache = true) {
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		if ($cache) {
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			$result = Cache::get("probe_url:".$network.":".$uri);
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			if (!is_null($result)) {
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				$result = unserialize($result);
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				return $result;
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			}
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		}
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		$data = self::detect($uri, $network);
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		if (!isset($data["url"]))
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			$data["url"] = $uri;
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		if ($data["photo"] != "")
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			$data["baseurl"] = matching_url(normalise_link($data["baseurl"]), normalise_link($data["photo"]));
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		else
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			$data["photo"] = App::get_baseurl().'/images/person-175.jpg';
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		if (!isset($data["name"]))
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			$data["name"] = $data["url"];
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		if (!isset($data["nick"]))
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			$data["nick"] = strtolower($data["name"]);
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		if (!isset($data["network"]))
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			$data["network"] = NETWORK_PHANTOM;
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		$data = self::rearrange_data($data);
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		// Only store into the cache if the value seems to be valid
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		if ($data['network'] != NETWORK_PHANTOM) {
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			Cache::set("probe_url:".$network.":".$uri,serialize($data), CACHE_DAY);
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			/// @todo temporary fix - we need a real contact update function that updates only changing fields
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			/// The biggest problem is the avatar picture that could have a reduced image size.
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			/// It should only be updated if the existing picture isn't existing anymore.
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			if (($data['network'] != NETWORK_FEED) AND ($mode == PROBE_NORMAL) AND
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				$data["name"] AND $data["nick"] AND $data["url"] AND $data["addr"] AND $data["poll"])
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				q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `url` = '%s', `addr` = '%s',
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						`notify` = '%s', `poll` = '%s', `alias` = '%s', `success_update` = '%s'
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					WHERE `nurl` = '%s' AND NOT `self` AND `uid` = 0",
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					dbesc($data["name"]),
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					dbesc($data["nick"]),
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					dbesc($data["url"]),
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					dbesc($data["addr"]),
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					dbesc($data["notify"]),
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					dbesc($data["poll"]),
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					dbesc($data["alias"]),
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					dbesc(datetime_convert()),
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					dbesc(normalise_link($data['url']))
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			);
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		}
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		return $data;
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	}
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	private function detect($uri, $network) {
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		if (strstr($uri, '@')) {
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			// If the URI starts with "mailto:" then jum directly to the mail detection
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			if (strpos($url,'mailto:') !== false) {
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				$uri = str_replace('mailto:', '', $url);
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				return self::mail($uri);
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			}
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			if ($network == NETWORK_MAIL)
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				return self::mail($uri);
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			// Remove "acct:" from the URI
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			$uri = str_replace('acct:', '', $uri);
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			$host = substr($uri,strpos($uri, '@') + 1);
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			$nick = substr($uri,0, strpos($uri, '@'));
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			$lrdd = self::xrd($host);
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			if (!$lrdd)
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				return self::mail($uri);
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			$addr = $uri;
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		} else {
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			$parts = parse_url($uri);
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			if (!isset($parts["scheme"]) OR
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				!isset($parts["host"]) OR
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				!isset($parts["path"]))
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				return false;
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			// todo: Ports?
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			$host = $parts["host"];
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			$lrdd = self::xrd($host);
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			$path_parts = explode("/", trim($parts["path"], "/"));
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			while (!$lrdd AND (sizeof($path_parts) > 1)) {
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				$host .= "/".array_shift($path_parts);
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				$lrdd = self::xrd($host);
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			}
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			if (!$lrdd)
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				return self::feed($uri);
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			$nick = array_pop($path_parts);
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			$addr = $nick."@".$host;
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		}
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		$webfinger = false;
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		/// @todo Do we need the prefix "acct:" or "acct://"?
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		foreach ($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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			$path = str_replace('{uri}', urlencode($addr), $link);
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			$webfinger = self::webfinger($path);
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		}
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		if (!$webfinger)
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			return self::feed($uri);
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		$result = false;
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		logger("Probing ".$uri, LOGGER_DEBUG);
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		if (in_array($network, array("", NETWORK_DFRN)))
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			$result = self::dfrn($webfinger);
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		if ((!$result AND ($network == "")) OR ($network == NETWORK_DIASPORA))
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			$result = self::diaspora($webfinger);
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		if ((!$result AND ($network == "")) OR ($network == NETWORK_OSTATUS))
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			$result = self::ostatus($webfinger);
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		if ((!$result AND ($network == "")) OR ($network == NETWORK_PUMPIO))
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			$result = self::pumpio($webfinger);
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		if ((!$result AND ($network == "")) OR ($network == NETWORK_FEED))
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			$result = self::feed($uri);
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		else {
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			// We overwrite the detected nick with our try if the previois routines hadn't detected it.
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			// Additionally it is overwritten when the nickname doesn't make sense (contains spaces).
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			if (!isset($result["nick"]) OR ($result["nick"] == "") OR (strstr($result["nick"], " ")))
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				$result["nick"] = $nick;
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			if (!isset($result["addr"]) OR ($result["addr"] == ""))
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				$result["addr"] = $addr;
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		}
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		logger($uri." is ".$result["network"], LOGGER_DEBUG);
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		if (!isset($result["baseurl"]) OR ($result["baseurl"] == "")) {
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			$pos = strpos($result["url"], $host);
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			if ($pos)
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				$result["baseurl"] = substr($result["url"], 0, $pos).$host;
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		}
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		return $result;
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	}
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	private function webfinger($url) {
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		$xrd_timeout = Config::get('system','xrd_timeout', 20);
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		$redirects = 0;
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		$data = fetch_url($url, false, $redirects, $xrd_timeout, "application/xrd+xml");
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		$xrd = parse_xml_string($data, false);
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		if (!is_object($xrd)) {
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			// If it is not XML, maybe it is JSON
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			$webfinger = json_decode($data, true);
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			if (!isset($webfinger["links"]))
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				return false;
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			return $webfinger;
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		}
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		$xrd_arr = xml::element_to_array($xrd);
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		if (!isset($xrd_arr["xrd"]["link"]))
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			return false;
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		$webfinger = array();
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		if (isset($xrd_arr["xrd"]["subject"]))
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			$webfinger["subject"] = $xrd_arr["xrd"]["subject"];
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		if (isset($xrd_arr["xrd"]["alias"]))
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			$webfinger["aliases"] = $xrd_arr["xrd"]["alias"];
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		$webfinger["links"] = array();
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		foreach ($xrd_arr["xrd"]["link"] AS $value => $data) {
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			if (isset($data["@attributes"]))
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				$attributes = $data["@attributes"];
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			elseif ($value == "@attributes")
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				$attributes = $data;
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			else
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				continue;
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			$webfinger["links"][] = $attributes;
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		}
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		return $webfinger;
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	}
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	private function poll_noscrape($noscrape, $data) {
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		$content = fetch_url($noscrape);
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		if (!$content)
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			return false;
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		$json = json_decode($content, true);
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		if (!is_array($json))
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			return false;
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		if (isset($json["fn"]))
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			$data["name"] = $json["fn"];
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		if (isset($json["addr"]))
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			$data["addr"] = $json["addr"];
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		if (isset($json["nick"]))
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			$data["nick"] = $json["nick"];
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		if (isset($json["comm"]))
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			$data["community"] = $json["comm"];
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		if (isset($json["tags"])) {
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			$keywords = implode(" ", $json["tags"]);
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			if ($keywords != "")
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				$data["keywords"] = $keywords;
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		}
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		$location = formatted_location($json);
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		if ($location)
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			$data["location"] = $location;
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		if (isset($json["about"]))
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			$data["about"] = $json["about"];
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		if (isset($json["key"]))
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			$data["pubkey"] = $json["key"];
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		if (isset($json["photo"]))
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			$data["photo"] = $json["photo"];
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		if (isset($json["dfrn-request"]))
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			$data["request"] = $json["dfrn-request"];
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		if (isset($json["dfrn-confirm"]))
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			$data["confirm"] = $json["dfrn-confirm"];
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		if (isset($json["dfrn-notify"]))
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			$data["notify"] = $json["dfrn-notify"];
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		if (isset($json["dfrn-poll"]))
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			$data["poll"] = $json["dfrn-poll"];
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		return $data;
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	}
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	public static function valid_dfrn($data) {
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		$errors = 0;
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		if(!isset($data['key']))
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			$errors ++;
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		if(!isset($data['dfrn-request']))
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			$errors ++;
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		if(!isset($data['dfrn-confirm']))
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			$errors ++;
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		if(!isset($data['dfrn-notify']))
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			$errors ++;
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		if(!isset($data['dfrn-poll']))
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			$errors ++;
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		return $errors;
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	}
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	public static function profile($profile) {
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		$data = array();
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		// Fetch data via noscrape - this is faster
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		$noscrape = str_replace(array("/hcard/", "/profile/"), "/noscrape/", $profile);
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		$data = self::poll_noscrape($noscrape, $data);
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		if (!isset($data["notify"]) OR !isset($data["confirm"]) OR
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			!isset($data["request"]) OR !isset($data["poll"]) OR
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			!isset($data["poco"]) OR !isset($data["name"]) OR
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			!isset($data["photo"]))
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			$data = self::poll_hcard($profile, $data, true);
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		$prof_data = array();
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		$prof_data["addr"] = $data["addr"];
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		$prof_data["nick"] = $data["nick"];
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		$prof_data["dfrn-request"] = $data["request"];
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		$prof_data["dfrn-confirm"] = $data["confirm"];
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		$prof_data["dfrn-notify"] = $data["notify"];
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		$prof_data["dfrn-poll"] = $data["poll"];
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		$prof_data["dfrn-poco"] = $data["poco"];
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		$prof_data["photo"] = $data["photo"];
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		$prof_data["fn"] = $data["name"];
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		$prof_data["key"] = $data["pubkey"];
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		return $prof_data;
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	}
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	private function dfrn($webfinger) {
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		$hcard = "";
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		$data = array();
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		foreach ($webfinger["links"] AS $link) {
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			if (($link["rel"] == NAMESPACE_DFRN) AND ($link["href"] != ""))
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				$data["network"] = NETWORK_DFRN;
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			elseif (($link["rel"] == NAMESPACE_FEED) AND ($link["href"] != ""))
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				$data["poll"] = $link["href"];
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			elseif (($link["rel"] == "http://webfinger.net/rel/profile-page") AND
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				($link["type"] == "text/html") AND ($link["href"] != ""))
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				$data["url"] = $link["href"];
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			elseif (($link["rel"] == "http://microformats.org/profile/hcard") AND ($link["href"] != ""))
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				$hcard = $link["href"];
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			elseif (($link["rel"] == NAMESPACE_POCO) AND ($link["href"] != ""))
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				$data["poco"] = $link["href"];
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			elseif (($link["rel"] == "http://webfinger.net/rel/avatar") AND ($link["href"] != ""))
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				$data["photo"] = $link["href"];
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			elseif (($link["rel"] == "http://joindiaspora.com/seed_location") AND ($link["href"] != ""))
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				$data["baseurl"] = trim($link["href"], '/');
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			elseif (($link["rel"] == "http://joindiaspora.com/guid") AND ($link["href"] != ""))
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				$data["guid"] = $link["href"];
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			elseif (($link["rel"] == "diaspora-public-key") AND ($link["href"] != "")) {
 | 
						|
				$data["pubkey"] = base64_decode($link["href"]);
 | 
						|
 | 
						|
				//if (strstr($data["pubkey"], 'RSA ') OR ($link["type"] == "RSA"))
 | 
						|
				if (strstr($data["pubkey"], 'RSA '))
 | 
						|
					$data["pubkey"] = rsatopem($data["pubkey"]);
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		if (!isset($data["network"]) OR ($hcard == ""))
 | 
						|
			return false;
 | 
						|
 | 
						|
		// Fetch data via noscrape - this is faster
 | 
						|
		$noscrape = str_replace("/hcard/", "/noscrape/", $hcard);
 | 
						|
		$data = self::poll_noscrape($noscrape, $data);
 | 
						|
 | 
						|
		if (isset($data["notify"]) AND isset($data["confirm"]) AND isset($data["request"]) AND
 | 
						|
			isset($data["poll"]) AND isset($data["name"]) AND isset($data["photo"]))
 | 
						|
			return $data;
 | 
						|
 | 
						|
		$data = self::poll_hcard($hcard, $data, true);
 | 
						|
 | 
						|
		return $data;
 | 
						|
	}
 | 
						|
 | 
						|
	private function poll_hcard($hcard, $data, $dfrn = false) {
 | 
						|
 | 
						|
		$doc = new DOMDocument();
 | 
						|
		if (!@$doc->loadHTMLFile($hcard))
 | 
						|
			return false;
 | 
						|
 | 
						|
		$xpath = new DomXPath($doc);
 | 
						|
 | 
						|
		$vcards = $xpath->query("//div[contains(concat(' ', @class, ' '), ' vcard ')]");
 | 
						|
		if (!is_object($vcards))
 | 
						|
			return false;
 | 
						|
 | 
						|
		if ($vcards->length == 0)
 | 
						|
			return false;
 | 
						|
 | 
						|
		$vcard = $vcards->item(0);
 | 
						|
 | 
						|
		// We have to discard the guid from the hcard in favour of the guid from lrdd
 | 
						|
		// Reason: Hubzilla doesn't use the value "uid" in the hcard like Diaspora does.
 | 
						|
		$search = $xpath->query("//*[contains(concat(' ', @class, ' '), ' uid ')]", $vcard); // */
 | 
						|
		if (($search->length > 0) AND ($data["guid"] == ""))
 | 
						|
			$data["guid"] = $search->item(0)->nodeValue;
 | 
						|
 | 
						|
		$search = $xpath->query("//*[contains(concat(' ', @class, ' '), ' nickname ')]", $vcard); // */
 | 
						|
		if ($search->length > 0)
 | 
						|
			$data["nick"] = $search->item(0)->nodeValue;
 | 
						|
 | 
						|
		$search = $xpath->query("//*[contains(concat(' ', @class, ' '), ' fn ')]", $vcard); // */
 | 
						|
		if ($search->length > 0)
 | 
						|
			$data["name"] = $search->item(0)->nodeValue;
 | 
						|
 | 
						|
		$search = $xpath->query("//*[contains(concat(' ', @class, ' '), ' searchable ')]", $vcard); // */
 | 
						|
		if ($search->length > 0)
 | 
						|
			$data["searchable"] = $search->item(0)->nodeValue;
 | 
						|
 | 
						|
		$search = $xpath->query("//*[contains(concat(' ', @class, ' '), ' key ')]", $vcard); // */
 | 
						|
		if ($search->length > 0) {
 | 
						|
			$data["pubkey"] = $search->item(0)->nodeValue;
 | 
						|
			if (strstr($data["pubkey"], 'RSA '))
 | 
						|
				$data["pubkey"] = rsatopem($data["pubkey"]);
 | 
						|
		}
 | 
						|
 | 
						|
		$search = $xpath->query("//*[@id='pod_location']", $vcard); // */
 | 
						|
		if ($search->length > 0)
 | 
						|
			$data["baseurl"] = trim($search->item(0)->nodeValue, "/");
 | 
						|
 | 
						|
		$avatar = array();
 | 
						|
		$photos = $xpath->query("//*[contains(concat(' ', @class, ' '), ' photo ') or contains(concat(' ', @class, ' '), ' avatar ')]", $vcard); // */
 | 
						|
		foreach ($photos AS $photo) {
 | 
						|
			$attr = array();
 | 
						|
			foreach ($photo->attributes as $attribute)
 | 
						|
				$attr[$attribute->name] = trim($attribute->value);
 | 
						|
 | 
						|
			if (isset($attr["src"]) AND isset($attr["width"]))
 | 
						|
				$avatar[$attr["width"]] = $attr["src"];
 | 
						|
		}
 | 
						|
 | 
						|
		if (sizeof($avatar)) {
 | 
						|
			ksort($avatar);
 | 
						|
			$data["photo"] = array_pop($avatar);
 | 
						|
		}
 | 
						|
 | 
						|
		if ($dfrn) {
 | 
						|
			// Poll DFRN specific data
 | 
						|
			$search = $xpath->query("//link[contains(concat(' ', @rel), ' dfrn-')]");
 | 
						|
			if ($search->length > 0) {
 | 
						|
				foreach ($search AS $link) {
 | 
						|
					//$data["request"] = $search->item(0)->nodeValue;
 | 
						|
					$attr = array();
 | 
						|
					foreach ($link->attributes as $attribute)
 | 
						|
						$attr[$attribute->name] = trim($attribute->value);
 | 
						|
 | 
						|
					$data[substr($attr["rel"], 5)] = $attr["href"];
 | 
						|
				}
 | 
						|
			}
 | 
						|
 | 
						|
			// Older Friendica versions had used the "uid" field differently than newer versions
 | 
						|
			if ($data["nick"] == $data["guid"])
 | 
						|
				unset($data["guid"]);
 | 
						|
		}
 | 
						|
 | 
						|
 | 
						|
		return $data;
 | 
						|
	}
 | 
						|
 | 
						|
	private function diaspora($webfinger) {
 | 
						|
 | 
						|
		$hcard = "";
 | 
						|
		$data = array();
 | 
						|
		foreach ($webfinger["links"] AS $link) {
 | 
						|
			if (($link["rel"] == "http://microformats.org/profile/hcard") AND ($link["href"] != ""))
 | 
						|
				$hcard = $link["href"];
 | 
						|
			elseif (($link["rel"] == "http://joindiaspora.com/seed_location") AND ($link["href"] != ""))
 | 
						|
				$data["baseurl"] = trim($link["href"], '/');
 | 
						|
			elseif (($link["rel"] == "http://joindiaspora.com/guid") AND ($link["href"] != ""))
 | 
						|
				$data["guid"] = $link["href"];
 | 
						|
			elseif (($link["rel"] == "http://webfinger.net/rel/profile-page") AND
 | 
						|
				($link["type"] == "text/html") AND ($link["href"] != ""))
 | 
						|
				$data["url"] = $link["href"];
 | 
						|
			elseif (($link["rel"] == NAMESPACE_FEED) AND ($link["href"] != ""))
 | 
						|
				$data["poll"] = $link["href"];
 | 
						|
			elseif (($link["rel"] == NAMESPACE_POCO) AND ($link["href"] != ""))
 | 
						|
				$data["poco"] = $link["href"];
 | 
						|
			elseif (($link["rel"] == "salmon") AND ($link["href"] != ""))
 | 
						|
				$data["notify"] = $link["href"];
 | 
						|
			elseif (($link["rel"] == "diaspora-public-key") AND ($link["href"] != "")) {
 | 
						|
				$data["pubkey"] = base64_decode($link["href"]);
 | 
						|
 | 
						|
				//if (strstr($data["pubkey"], 'RSA ') OR ($link["type"] == "RSA"))
 | 
						|
				if (strstr($data["pubkey"], 'RSA '))
 | 
						|
					$data["pubkey"] = rsatopem($data["pubkey"]);
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		if (!isset($data["url"]) OR ($hcard == ""))
 | 
						|
			return false;
 | 
						|
 | 
						|
		if (is_array($webfinger["aliases"]))
 | 
						|
			foreach ($webfinger["aliases"] AS $alias)
 | 
						|
				if (normalise_link($alias) != normalise_link($data["url"]) AND !strstr($alias, "@"))
 | 
						|
					$data["alias"] = $alias;
 | 
						|
 | 
						|
		// Fetch further information from the hcard
 | 
						|
		$data = self::poll_hcard($hcard, $data);
 | 
						|
 | 
						|
		if (!$data)
 | 
						|
			return false;
 | 
						|
 | 
						|
		if (isset($data["url"]) AND isset($data["guid"]) AND isset($data["baseurl"]) AND
 | 
						|
			isset($data["pubkey"]) AND ($hcard != "")) {
 | 
						|
			$data["network"] = NETWORK_DIASPORA;
 | 
						|
 | 
						|
			// We have to overwrite the detected value for "notify" since Hubzilla doesn't send it
 | 
						|
			$data["notify"] = $data["baseurl"]."/receive/users/".$data["guid"];
 | 
						|
			$data["batch"] = $data["baseurl"]."/receive/public";
 | 
						|
		} else
 | 
						|
			return false;
 | 
						|
 | 
						|
		return $data;
 | 
						|
	}
 | 
						|
 | 
						|
	private function ostatus($webfinger) {
 | 
						|
 | 
						|
		$pubkey = "";
 | 
						|
		$data = array();
 | 
						|
		foreach ($webfinger["links"] AS $link) {
 | 
						|
			if (($link["rel"] == "http://webfinger.net/rel/profile-page") AND
 | 
						|
				($link["type"] == "text/html") AND ($link["href"] != ""))
 | 
						|
				$data["url"] = $link["href"];
 | 
						|
			elseif (($link["rel"] == "salmon") AND ($link["href"] != ""))
 | 
						|
				$data["notify"] = $link["href"];
 | 
						|
			elseif (($link["rel"] == NAMESPACE_FEED) AND ($link["href"] != ""))
 | 
						|
				$data["poll"] = $link["href"];
 | 
						|
			elseif (($link["rel"] == "magic-public-key") AND ($link["href"] != "")) {
 | 
						|
				$pubkey = $link["href"];
 | 
						|
 | 
						|
				if (substr($pubkey, 0, 5) === 'data:') {
 | 
						|
					if (strstr($pubkey, ','))
 | 
						|
						$pubkey = substr($pubkey, strpos($pubkey, ',') + 1);
 | 
						|
					else
 | 
						|
						$pubkey = substr($pubkey, 5);
 | 
						|
				} else
 | 
						|
					$pubkey = fetch_url($pubkey);
 | 
						|
 | 
						|
				$key = explode(".", $pubkey);
 | 
						|
 | 
						|
				if (sizeof($key) >= 3) {
 | 
						|
					$m = base64url_decode($key[1]);
 | 
						|
					$e = base64url_decode($key[2]);
 | 
						|
					$data["pubkey"] = metopem($m,$e);
 | 
						|
				}
 | 
						|
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		if (isset($data["notify"]) AND isset($data["pubkey"]) AND
 | 
						|
			isset($data["poll"]) AND isset($data["url"])) {
 | 
						|
			$data["network"] = NETWORK_OSTATUS;
 | 
						|
		} else
 | 
						|
			return false;
 | 
						|
 | 
						|
		// Fetch all additional data from the feed
 | 
						|
		$feed = fetch_url($data["poll"]);
 | 
						|
		$feed_data = feed_import($feed,$dummy1,$dummy2, $dummy3, true);
 | 
						|
		if (!$feed_data)
 | 
						|
			return false;
 | 
						|
 | 
						|
		if ($feed_data["header"]["author-name"] != "")
 | 
						|
			$data["name"] = $feed_data["header"]["author-name"];
 | 
						|
 | 
						|
		if ($feed_data["header"]["author-nick"] != "")
 | 
						|
			$data["nick"] = $feed_data["header"]["author-nick"];
 | 
						|
 | 
						|
		if ($feed_data["header"]["author-avatar"] != "")
 | 
						|
			$data["photo"] = $feed_data["header"]["author-avatar"];
 | 
						|
 | 
						|
		if ($feed_data["header"]["author-id"] != "")
 | 
						|
			$data["alias"] = $feed_data["header"]["author-id"];
 | 
						|
 | 
						|
		// OStatus has serious issues when the the url doesn't fit (ssl vs. non ssl)
 | 
						|
		// So we take the value that we just fetched, although the other one worked as well
 | 
						|
		if ($feed_data["header"]["author-link"] != "")
 | 
						|
			$data["url"] = $feed_data["header"]["author-link"];
 | 
						|
 | 
						|
		/// @todo Fetch location and "about" from the feed as well
 | 
						|
		return $data;
 | 
						|
	}
 | 
						|
 | 
						|
	private function pumpio_profile_data($profile) {
 | 
						|
 | 
						|
		$doc = new DOMDocument();
 | 
						|
		if (!@$doc->loadHTMLFile($profile))
 | 
						|
			return false;
 | 
						|
 | 
						|
		$xpath = new DomXPath($doc);
 | 
						|
 | 
						|
		$data = array();
 | 
						|
 | 
						|
		// This is ugly - but pump.io doesn't seem to know a better way for it
 | 
						|
		$data["name"] = trim($xpath->query("//h1[@class='media-header']")->item(0)->nodeValue);
 | 
						|
		$pos = strpos($data["name"], chr(10));
 | 
						|
		if ($pos)
 | 
						|
			$data["name"] = trim(substr($data["name"], 0, $pos));
 | 
						|
 | 
						|
		$avatar = $xpath->query("//img[@class='img-rounded media-object']")->item(0);
 | 
						|
		if ($avatar)
 | 
						|
			foreach ($avatar->attributes as $attribute)
 | 
						|
				if ($attribute->name == "src")
 | 
						|
					$data["photo"] = trim($attribute->value);
 | 
						|
 | 
						|
		$data["location"] = $xpath->query("//p[@class='location']")->item(0)->nodeValue;
 | 
						|
		$data["about"] = $xpath->query("//p[@class='summary']")->item(0)->nodeValue;
 | 
						|
 | 
						|
		return $data;
 | 
						|
	}
 | 
						|
 | 
						|
	private function pumpio($webfinger) {
 | 
						|
		$data = array();
 | 
						|
		foreach ($webfinger["links"] AS $link) {
 | 
						|
			if (($link["rel"] == "http://webfinger.net/rel/profile-page") AND
 | 
						|
				($link["type"] == "text/html") AND ($link["href"] != ""))
 | 
						|
				$data["url"] = $link["href"];
 | 
						|
			elseif (($link["rel"] == "activity-inbox") AND ($link["href"] != ""))
 | 
						|
				$data["activity-inbox"] = $link["href"];
 | 
						|
			elseif (($link["rel"] == "activity-outbox") AND ($link["href"] != ""))
 | 
						|
				$data["activity-outbox"] = $link["href"];
 | 
						|
			elseif (($link["rel"] == "dialback") AND ($link["href"] != ""))
 | 
						|
				$data["dialback"] = $link["href"];
 | 
						|
		}
 | 
						|
		if (isset($data["activity-inbox"]) AND isset($data["activity-outbox"]) AND
 | 
						|
			isset($data["dialback"]) AND isset($data["url"])) {
 | 
						|
 | 
						|
			// by now we use these fields only for the network type detection
 | 
						|
			// So we unset all data that isn't used at the moment
 | 
						|
			unset($data["activity-inbox"]);
 | 
						|
			unset($data["activity-outbox"]);
 | 
						|
			unset($data["dialback"]);
 | 
						|
 | 
						|
			$data["network"] = NETWORK_PUMPIO;
 | 
						|
		} else
 | 
						|
			return false;
 | 
						|
 | 
						|
		$profile_data = self::pumpio_profile_data($data["url"]);
 | 
						|
 | 
						|
		if (!$profile_data)
 | 
						|
			return false;
 | 
						|
 | 
						|
		$data = array_merge($data, $profile_data);
 | 
						|
 | 
						|
		return $data;
 | 
						|
	}
 | 
						|
 | 
						|
	private function feed($url) {
 | 
						|
		$feed = fetch_url($url);
 | 
						|
		$feed_data = feed_import($feed, $dummy1, $dummy2, $dummy3, true);
 | 
						|
 | 
						|
		if (!$feed_data)
 | 
						|
			return false;
 | 
						|
 | 
						|
		if ($feed_data["header"]["author-name"] != "")
 | 
						|
			$data["name"] = $feed_data["header"]["author-name"];
 | 
						|
 | 
						|
		if ($feed_data["header"]["author-nick"] != "")
 | 
						|
			$data["nick"] = $feed_data["header"]["author-nick"];
 | 
						|
 | 
						|
		if ($feed_data["header"]["author-avatar"] != "")
 | 
						|
			$data["photo"] = $feed_data["header"]["author-avatar"];
 | 
						|
 | 
						|
		if ($feed_data["header"]["author-id"] != "")
 | 
						|
			$data["alias"] = $feed_data["header"]["author-id"];
 | 
						|
 | 
						|
		$data["url"] = $url;
 | 
						|
		$data["poll"] = $url;
 | 
						|
 | 
						|
		if ($feed_data["header"]["author-link"] != "")
 | 
						|
			$data["baseurl"] = $feed_data["header"]["author-link"];
 | 
						|
		else
 | 
						|
			$data["baseurl"] = $data["url"];
 | 
						|
 | 
						|
		$data["network"] = NETWORK_FEED;
 | 
						|
 | 
						|
		return $data;
 | 
						|
	}
 | 
						|
 | 
						|
	private function mail($uri) {
 | 
						|
 | 
						|
		if (!validate_email($uri))
 | 
						|
			return false;
 | 
						|
 | 
						|
		$uid = local_user();
 | 
						|
		$uid = 1;
 | 
						|
 | 
						|
		$x = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d LIMIT 1", intval($uid));
 | 
						|
 | 
						|
		$r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1", intval($uid));
 | 
						|
 | 
						|
		if(count($x) && count($r)) {
 | 
						|
			$mailbox = construct_mailbox_name($r[0]);
 | 
						|
			$password = '';
 | 
						|
			openssl_private_decrypt(hex2bin($r[0]['pass']), $password,$x[0]['prvkey']);
 | 
						|
			$mbox = email_connect($mailbox,$r[0]['user'], $password);
 | 
						|
			if(!mbox)
 | 
						|
				return false;
 | 
						|
		}
 | 
						|
 | 
						|
		$msgs = email_poll($mbox, $uri);
 | 
						|
		logger('searching '.$uri.', '.count($msgs).' messages found.', LOGGER_DEBUG);
 | 
						|
 | 
						|
		if (!count($msgs))
 | 
						|
			return false;
 | 
						|
 | 
						|
		$data = array();
 | 
						|
 | 
						|
		$data["addr"] = $uri;
 | 
						|
		$data["network"] = NETWORK_MAIL;
 | 
						|
		$data["name"] = substr($uri, 0, strpos($uri,'@'));
 | 
						|
		$data["nick"] = $data["name"];
 | 
						|
		$data["photo"] = avatar_img($uri);
 | 
						|
 | 
						|
		$phost = substr($uri, strpos($uri,'@') + 1);
 | 
						|
		$data["url"] = 'http://'.$phost."/".$data["nick"];
 | 
						|
		$data["notify"] = 'smtp '.random_string();
 | 
						|
		$data["poll"] = 'email '.random_string();
 | 
						|
 | 
						|
		$x = email_msg_meta($mbox, $msgs[0]);
 | 
						|
		if(stristr($x[0]->from, $uri))
 | 
						|
			$adr = imap_rfc822_parse_adrlist($x[0]->from, '');
 | 
						|
		elseif(stristr($x[0]->to, $uri))
 | 
						|
			$adr = imap_rfc822_parse_adrlist($x[0]->to, '');
 | 
						|
		if(isset($adr)) {
 | 
						|
			foreach($adr as $feadr) {
 | 
						|
				if((strcasecmp($feadr->mailbox, $data["name"]) == 0)
 | 
						|
					&&(strcasecmp($feadr->host, $phost) == 0)
 | 
						|
					&& (strlen($feadr->personal))) {
 | 
						|
 | 
						|
					$personal = imap_mime_header_decode($feadr->personal);
 | 
						|
					$data["name"] = "";
 | 
						|
					foreach($personal as $perspart)
 | 
						|
						if ($perspart->charset != "default")
 | 
						|
							$data["name"] .= iconv($perspart->charset, 'UTF-8//IGNORE', $perspart->text);
 | 
						|
						else
 | 
						|
							$data["name"] .= $perspart->text;
 | 
						|
 | 
						|
					$data["name"] = notags($data["name"]);
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}
 | 
						|
		imap_close($mbox);
 | 
						|
 | 
						|
		return $data;
 | 
						|
	}
 | 
						|
}
 | 
						|
?>
 |