X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fnetwork.php;h=969f583828851a59ceb55c97d072a6bae5ef325a;hb=42c2e09382d3b2846a0cb709d88cda97e717424f;hp=64b6d07c6c623076ce444666b90fe924e0c03295;hpb=db1d8caaf296547158df4198121d24ed4589b19c;p=friendica.git

diff --git a/include/network.php b/include/network.php
index 64b6d07c6c..969f583828 100644
--- a/include/network.php
+++ b/include/network.php
@@ -5,7 +5,7 @@
  */
 
 require_once("include/xml.php");
-
+require_once('include/Probe.php');
 
 /**
  * @brief Curl wrapper
@@ -338,7 +338,6 @@ function xml_status($st, $message = '') {
 	killme();
 }
 
-
 /**
  * @brief Send HTTP status header and exit.
  *
@@ -348,6 +347,14 @@ function xml_status($st, $message = '') {
  *    'description' => optional message
  */
 
+/**
+ * @brief Send HTTP status header and exit.
+ *
+ * @param integer $val HTTP status result value
+ * @param array $description optional message
+ *    'title' => header title
+ *    'description' => optional message
+ */
 function http_status_exit($val, $description = array()) {
 	$err = '';
 	if($val >= 400) {
@@ -371,324 +378,6 @@ function http_status_exit($val, $description = array()) {
 
 }
 
-// Given an email style address, perform webfinger lookup and
-// return the resulting DFRN profile URL, or if no DFRN profile URL
-// is located, returns an OStatus subscription template (prefixed
-// with the string 'stat:' to identify it as on OStatus template).
-// If this isn't an email style address just return $webbie.
-// Return an empty string if email-style addresses but webfinger fails,
-// or if the resultant personal XRD doesn't contain a supported
-// subscription/friend-request attribute.
-
-// amended 7/9/2011 to return an hcard which could save potentially loading
-// a lengthy content page to scrape dfrn attributes
-
-function webfinger_dfrn($webbie,&$hcard) {
-	if(! strstr($webbie,'@')) {
-		return $webbie;
-	}
-	$profile_link = '';
-
-	$links = webfinger($webbie);
-	logger('webfinger_dfrn: ' . $webbie . ':' . print_r($links,true), LOGGER_DATA);
-	if(count($links)) {
-		foreach($links as $link) {
-			if($link['@attributes']['rel'] === NAMESPACE_DFRN)
-				$profile_link = $link['@attributes']['href'];
-			if($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
-				$profile_link = 'stat:' . $link['@attributes']['template'];
-			if($link['@attributes']['rel'] === 'http://microformats.org/profile/hcard')
-				$hcard = $link['@attributes']['href'];
-		}
-	}
-	return $profile_link;
-}
-
-/**
- * @brief Perform webfinger lookup on an email style address
- * 
- * @param string $webbi An email style address
- * @param boolean $debug
- * 
- * @return array of link attributes from the personal XRD file
- *    empty array on error/failure
- */
-function webfinger($webbie, $debug = false) {
-	$host = '';
-	if(strstr($webbie,'@')) {
-		$host = substr($webbie,strpos($webbie,'@') + 1);
-	}
-	if(strlen($host)) {
-		$tpl = fetch_lrdd_template($host);
-		logger('webfinger: lrdd template: ' . $tpl);
-		if(strlen($tpl)) {
-			$pxrd = str_replace('{uri}', urlencode('acct:' . $webbie), $tpl);
-			logger('webfinger: pxrd: ' . $pxrd);
-			$links = fetch_xrd_links($pxrd);
-			if(! count($links)) {
-				// try with double slashes
-				$pxrd = str_replace('{uri}', urlencode('acct://' . $webbie), $tpl);
-				logger('webfinger: pxrd: ' . $pxrd);
-				$links = fetch_xrd_links($pxrd);
-			}
-			return $links;
-		}
-	}
-	return array();
-}
-
-function lrdd($uri, $debug = false) {
-
-	$a = get_app();
-
-	// default priority is host priority, host-meta first
-
-	$priority = 'host';
-
-	// All we have is an email address. Resource-priority is irrelevant
-	// because our URI isn't directly resolvable.
-
-	if(strstr($uri,'@')) {
-		return(webfinger($uri));
-	}
-
-	// get the host meta file
-
-	$host = @parse_url($uri);
-
-	if($host) {
-		$url  = ((x($host,'scheme')) ? $host['scheme'] : 'http') . '://';
-		$url .= $host['host'] . '/.well-known/host-meta' ;
-	}
-	else
-		return array();
-
-	logger('lrdd: constructed url: ' . $url);
-
-	$xml = fetch_url($url);
-
-	$headers = $a->get_curl_headers();
-
-	if (! $xml)
-		return array();
-
-	logger('lrdd: host_meta: ' . $xml, LOGGER_DATA);
-
-	if(! stristr($xml,'<xrd'))
-		return array();
-
-	$h = parse_xml_string($xml);
-	if(! $h)
-		return array();
-
-	$arr = xml::element_to_array($h);
-
-	if(isset($arr['xrd']['property'])) {
-		$property = $arr['crd']['property'];
-		if(! isset($property[0]))
-			$properties = array($property);
-		else
-			$properties = $property;
-		foreach($properties as $prop)
-			if((string) $prop['@attributes'] === 'http://lrdd.net/priority/resource')
-				$priority = 'resource';
-	}
-
-	// save the links in case we need them
-
-	$links = array();
-
-	if(isset($arr['xrd']['link'])) {
-		$link = $arr['xrd']['link'];
-		if(! isset($link[0]))
-			$links = array($link);
-		else
-			$links = $link;
-	}
-
-	// do we have a template or href?
-
-	if(count($links)) {
-		foreach($links as $link) {
-			if($link['@attributes']['rel'] && attribute_contains($link['@attributes']['rel'],'lrdd')) {
-				if(x($link['@attributes'],'template'))
-					$tpl = $link['@attributes']['template'];
-				elseif(x($link['@attributes'],'href'))
-					$href = $link['@attributes']['href'];
-			}
-		}
-	}
-
-	if((! isset($tpl)) || (! strpos($tpl,'{uri}')))
-		$tpl = '';
-
-	if($priority === 'host') {
-		if(strlen($tpl))
-			$pxrd = str_replace('{uri}', urlencode($uri), $tpl);
-		elseif(isset($href))
-			$pxrd = $href;
-		if(isset($pxrd)) {
-			logger('lrdd: (host priority) pxrd: ' . $pxrd);
-			$links = fetch_xrd_links($pxrd);
-			return $links;
-		}
-
-		$lines = explode("\n",$headers);
-		if(count($lines)) {
-			foreach($lines as $line) {
-				if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
-					return(fetch_xrd_links($matches[1]));
-					break;
-				}
-			}
-		}
-	}
-
-
-	// priority 'resource'
-
-
-	$html = fetch_url($uri);
-	$headers = $a->get_curl_headers();
-	logger('lrdd: headers=' . $headers, LOGGER_DEBUG);
-
-	// don't try and parse raw xml as html
-	if(! strstr($html,'<?xml')) {
-		require_once('library/HTML5/Parser.php');
-
-		try {
-			$dom = HTML5_Parser::parse($html);
-		} catch (DOMException $e) {
-			logger('lrdd: parse error: ' . $e);
-		}
-
-		if(isset($dom) && $dom) {
-			$items = $dom->getElementsByTagName('link');
-			foreach($items as $item) {
-				$x = $item->getAttribute('rel');
-				if($x == "lrdd") {
-					$pagelink = $item->getAttribute('href');
-					break;
-				}
-			}
-		}
-	}
-
-	if(isset($pagelink))
-		return(fetch_xrd_links($pagelink));
-
-	// next look in HTTP headers
-
-	$lines = explode("\n",$headers);
-	if(count($lines)) {
-		foreach($lines as $line) {
-			/// @TODO Alter the following regex to support multiple relations (space separated)
-			if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
-				$pagelink = $matches[1];
-				break;
-			}
-			// don't try and run feeds through the html5 parser
-			if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
-				return array();
-			if(stristr($html,'<rss') || stristr($html,'<feed'))
-				return array();
-		}
-	}
-
-	if(isset($pagelink))
-		return(fetch_xrd_links($pagelink));
-
-	// If we haven't found any links, return the host xrd links (which we have already fetched)
-
-	if(isset($links))
-		return $links;
-
-	return array();
-
-}
-
-// Given a host name, locate the LRDD template from that
-// host. Returns the LRDD template or an empty string on
-// error/failure.
-
-function fetch_lrdd_template($host) {
-	$tpl = '';
-
-	$url1 = 'https://' . $host . '/.well-known/host-meta' ;
-	$url2 = 'http://' . $host . '/.well-known/host-meta' ;
-	$links = fetch_xrd_links($url1);
-	logger('fetch_lrdd_template from: ' . $url1);
-	logger('template (https): ' . print_r($links,true));
-	if(! count($links)) {
-		logger('fetch_lrdd_template from: ' . $url2);
-		$links = fetch_xrd_links($url2);
-		logger('template (http): ' . print_r($links,true));
-	}
-	if(count($links)) {
-		foreach($links as $link)
-			if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd' && (!$link['@attributes']['type'] || $link['@attributes']['type'] === 'application/xrd+xml'))
-				$tpl = $link['@attributes']['template'];
-	}
-	if(! strpos($tpl,'{uri}'))
-		$tpl = '';
-	return $tpl;
-}
-
-/**
- * @brief Given a URL, retrieve the page as an XRD document.
- * 
- * @param string $url An url
- * @return array of links
- *    return empty array on error/failure
- */
-function fetch_xrd_links($url) {
-
-	$xrd_timeout = intval(get_config('system','xrd_timeout'));
-	$redirects = 0;
-	$xml = fetch_url($url,false,$redirects,(($xrd_timeout) ? $xrd_timeout : 20), "application/xrd+xml");
-
-	logger('fetch_xrd_links: ' . $xml, LOGGER_DATA);
-
-	if ((! $xml) || (! stristr($xml,'<xrd')))
-		return array();
-
-	// fix diaspora's bad xml
-	$xml = str_replace(array('href=&quot;','&quot;/>'),array('href="','"/>'),$xml);
-
-	$h = parse_xml_string($xml);
-	if(! $h)
-		return array();
-
-	$arr = xml::element_to_array($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' => $alias);
-			}
-		}
-	}
-
-	logger('fetch_xrd_links: ' . print_r($links,true), LOGGER_DATA);
-
-	return $links;
-
-}
-
 /**
  * @brief Check URL to se if ts's real
  * 
@@ -699,19 +388,23 @@ function fetch_xrd_links($url) {
  * @return boolean True if it's a valid URL, fals if something wrong with it
  */
 function validate_url(&$url) {
-
 	if(get_config('system','disable_url_validation'))
 		return true;
+
 	// no naked subdomains (allow localhost for tests)
 	if(strpos($url,'.') === false && strpos($url,'/localhost/') === false)
 		return false;
+
 	if(substr($url,0,4) != 'http')
 		$url = 'http://' . $url;
+
+	/// @TODO Really supress function outcomes? Why not find them + debug them?
 	$h = @parse_url($url);
 
-	if(($h) && (dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR) || filter_var($h['host'], FILTER_VALIDATE_IP) )) {
+	if((is_array($h)) && (dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR) || filter_var($h['host'], FILTER_VALIDATE_IP) )) {
 		return true;
 	}
+
 	return false;
 }
 
@@ -820,8 +513,6 @@ function allowed_email($email) {
 
 function avatar_img($email) {
 
-	$a = get_app();
-
 	$avatar['size'] = 175;
 	$avatar['email'] = $email;
 	$avatar['url'] = '';
@@ -829,8 +520,9 @@ function avatar_img($email) {
 
 	call_hooks('avatar_lookup', $avatar);
 
-	if(! $avatar['success'])
-		$avatar['url'] = $a->get_baseurl() . '/images/person-175.jpg';
+	if (! $avatar['success']) {
+		$avatar['url'] = App::get_baseurl() . '/images/person-175.jpg';
+	}
 
 	logger('Avatar: ' . $avatar['email'] . ' ' . $avatar['url'], LOGGER_DEBUG);
 	return $avatar['url'];
@@ -849,10 +541,11 @@ function parse_xml_string($s,$strict = true) {
 	libxml_use_internal_errors(true);
 
 	$x = @simplexml_load_string($s2);
-	if(! $x) {
+	if (! $x) {
 		logger('libxml: parse: error: ' . $s2, LOGGER_DATA);
-		foreach(libxml_get_errors() as $err)
+		foreach (libxml_get_errors() as $err) {
 			logger('libxml: parse: ' . $err->code." at ".$err->line.":".$err->column." : ".$err->message, LOGGER_DATA);
+		}
 		libxml_clear_errors();
 	}
 	return $x;
@@ -861,8 +554,9 @@ function parse_xml_string($s,$strict = true) {
 function scale_external_images($srctext, $include_link = true, $scale_replace = false) {
 
 	// Suppress "view full size"
-	if (intval(get_config('system','no_view_full_size')))
+	if (intval(get_config('system','no_view_full_size'))) {
 		$include_link = false;
+	}
 
 	$a = get_app();
 
@@ -871,38 +565,41 @@ function scale_external_images($srctext, $include_link = true, $scale_replace =
 
 	$matches = null;
 	$c = preg_match_all('/\[img.*?\](.*?)\[\/img\]/ism',$s,$matches,PREG_SET_ORDER);
-	if($c) {
+	if ($c) {
 		require_once('include/Photo.php');
-		foreach($matches as $mtch) {
+		foreach ($matches as $mtch) {
 			logger('scale_external_image: ' . $mtch[1]);
 
-			$hostname = str_replace('www.','',substr($a->get_baseurl(),strpos($a->get_baseurl(),'://')+3));
-			if(stristr($mtch[1],$hostname))
+			$hostname = str_replace('www.','',substr(App::get_baseurl(),strpos(App::get_baseurl(),'://')+3));
+			if (stristr($mtch[1],$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)
+			if ($scale_replace) {
 				$scaled = str_replace($scale_replace[0], $scale_replace[1], $mtch[1]);
-			else
+			} else {
 				$scaled = $mtch[1];
-			$i = @fetch_url($scaled);
-			if(! $i)
+			}
+			$i = fetch_url($scaled);
+			if (! $i) {
 				return $srctext;
+			}
 
 			// guess mimetype from headers or filename
 			$type = guess_image_type($mtch[1],true);
 
-			if($i) {
+			if ($i) {
 				$ph = new Photo($i, $type);
-				if($ph->is_valid()) {
+				if ($ph->is_valid()) {
 					$orig_width = $ph->getWidth();
 					$orig_height = $ph->getHeight();
 
-					if($orig_width > 640 || $orig_height > 640) {
+					if ($orig_width > 640 || $orig_height > 640) {
 
 						$ph->scaleImage(640);
 						$new_width = $ph->getWidth();
@@ -928,7 +625,7 @@ function scale_external_images($srctext, $include_link = true, $scale_replace =
 function fix_contact_ssl_policy(&$contact,$new_policy) {
 
 	$ssl_changed = false;
-	if((intval($new_policy) == SSL_POLICY_SELFSIGN || $new_policy === 'self') && strstr($contact['url'],'https:')) {
+	if ((intval($new_policy) == SSL_POLICY_SELFSIGN || $new_policy === 'self') && strstr($contact['url'],'https:')) {
 		$ssl_changed = true;
 		$contact['url']     = 	str_replace('https:','http:',$contact['url']);
 		$contact['request'] = 	str_replace('https:','http:',$contact['request']);
@@ -938,7 +635,7 @@ function fix_contact_ssl_policy(&$contact,$new_policy) {
 		$contact['poco']    = 	str_replace('https:','http:',$contact['poco']);
 	}
 
-	if((intval($new_policy) == SSL_POLICY_FULL || $new_policy === 'full') && strstr($contact['url'],'http:')) {
+	if ((intval($new_policy) == SSL_POLICY_FULL || $new_policy === 'full') && strstr($contact['url'],'http:')) {
 		$ssl_changed = true;
 		$contact['url']     = 	str_replace('http:','https:',$contact['url']);
 		$contact['request'] = 	str_replace('http:','https:',$contact['request']);
@@ -948,15 +645,15 @@ function fix_contact_ssl_policy(&$contact,$new_policy) {
 		$contact['poco']    = 	str_replace('http:','https:',$contact['poco']);
 	}
 
-	if($ssl_changed) {
-		q("update contact set
-			url = '%s',
-			request = '%s',
-			notify = '%s',
-			poll = '%s',
-			confirm = '%s',
-			poco = '%s'
-			where id = %d limit 1",
+	if ($ssl_changed) {
+		q("UPDATE `contact` SET
+			`url` = '%s',
+			`request` = '%s',
+			`notify` = '%s',
+			`poll` = '%s',
+			`confirm` = '%s',
+			`poco` = '%s'
+			WHERE `id` = %d LIMIT 1",
 			dbesc($contact['url']),
 			dbesc($contact['request']),
 			dbesc($contact['notify']),
@@ -1107,12 +804,12 @@ function short_link($url) {
 		$yourls->set('password', $yourls_password);
 		$yourls->set('ssl', $yourls_ssl);
 		$yourls->set('yourls-url', $yourls_url);
-		$slinky->set_cascade( array($yourls, new Slinky_UR1ca(), new Slinky_Trim(), new Slinky_IsGd(), new Slinky_TinyURL()));
+		$slinky->set_cascade(array($yourls, new Slinky_Ur1ca(), new Slinky_TinyURL()));
 	} else {
 		// setup a cascade of shortening services
 		// try to get a short link from these services
-		// in the order ur1.ca, trim, id.gd, tinyurl
-		$slinky->set_cascade(array(new Slinky_UR1ca(), new Slinky_Trim(), new Slinky_IsGd(), new Slinky_TinyURL()));
+		// in the order ur1.ca, tinyurl
+		$slinky->set_cascade(array(new Slinky_Ur1ca(), new Slinky_TinyURL()));
 	}
 	return $slinky->short();
 }