X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;ds=sidebyside;f=include%2Fnetwork.php;h=4bec4a172778db2c1c452b937787fe25a9f7aaac;hb=912e008ded3d439f7779310eb422e4b871a9b63d;hp=691a8c9f9ed405d5bbc64ffd222d3b21041aba7f;hpb=5ec4a4e6deb5d28cbfab54093f8b4180912738d4;p=friendica.git

diff --git a/include/network.php b/include/network.php
index 691a8c9f9e..4bec4a1727 100644
--- a/include/network.php
+++ b/include/network.php
@@ -5,41 +5,49 @@
 // results. 
 
 if(! function_exists('fetch_url')) {
-function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0) {
+function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0, $accept_content=Null) {
 
 	$a = get_app();
 
-	$ch = curl_init($url);
+	$ch = @curl_init($url);
 	if(($redirects > 8) || (! $ch)) 
 		return false;
 
-	curl_setopt($ch, CURLOPT_HEADER, true);
-	curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
-	curl_setopt($ch, CURLOPT_USERAGENT, "Friendika");
+	@curl_setopt($ch, CURLOPT_HEADER, true);
+	
+	if (!is_null($accept_content)){
+		curl_setopt($ch,CURLOPT_HTTPHEADER, array (
+			"Accept: " . $accept_content
+		));
+	}
+	
+	@curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
+	@curl_setopt($ch, CURLOPT_USERAGENT, "Friendica");
+
 
 	if(intval($timeout)) {
-		curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
+		@curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
 	}
 	else {
 		$curl_time = intval(get_config('system','curl_timeout'));
-		curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
+		@curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
 	}
 	// by default we will allow self-signed certs
 	// but you can override this
 
 	$check_cert = get_config('system','verifyssl');
-	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
+	@curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
 
 	$prx = get_config('system','proxy');
 	if(strlen($prx)) {
-		curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
-		curl_setopt($ch, CURLOPT_PROXY, $prx);
-		$prxusr = get_config('system','proxyuser');
+		@curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
+		@curl_setopt($ch, CURLOPT_PROXY, $prx);
+		$prxusr = @get_config('system','proxyuser');
 		if(strlen($prxusr))
-			curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
+			@curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
 	}
 	if($binary)
-		curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
+		@curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
 
 	$a->set_curl_code(0);
 
@@ -49,9 +57,10 @@ function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0) {
 	$s = @curl_exec($ch);
 
 	$base = $s;
-	$curl_info = curl_getinfo($ch);
+	$curl_info = @curl_getinfo($ch);
 	$http_code = $curl_info['http_code'];
 
+//	logger('fetch_url:' . $http_code . ' data: ' . $s);
 	$header = '';
 
 	// Pull out multiple headers, e.g. proxy and continuation headers
@@ -66,11 +75,13 @@ function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0) {
 	if($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
         $matches = array();
         preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
-        $url = trim(array_pop($matches));
-        $url_parsed = @parse_url($url);
+        $newurl = trim(array_pop($matches));
+		if(strpos($newurl,'/') === 0)
+			$newurl = $url . $newurl;
+        $url_parsed = @parse_url($newurl);
         if (isset($url_parsed)) {
             $redirects++;
-            return fetch_url($url,$binary,$redirects,$timeout);
+            return fetch_url($newurl,$binary,$redirects,$timeout);
         }
     }
 
@@ -80,7 +91,7 @@ function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0) {
 
 	$a->set_curl_headers($header);
 
-	curl_close($ch);
+	@curl_close($ch);
 	return($body);
 }}
 
@@ -97,7 +108,7 @@ function post_url($url,$params, $headers = null, &$redirects = 0, $timeout = 0)
 	curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
 	curl_setopt($ch, CURLOPT_POST,1);
 	curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
-	curl_setopt($ch, CURLOPT_USERAGENT, "Friendika");
+	curl_setopt($ch, CURLOPT_USERAGENT, "Friendica");
 
 	if(intval($timeout)) {
 		curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
@@ -155,11 +166,13 @@ function post_url($url,$params, $headers = null, &$redirects = 0, $timeout = 0)
 	if($http_code == 301 || $http_code == 302 || $http_code == 303) {
         $matches = array();
         preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
-        $url = trim(array_pop($matches));
-        $url_parsed = @parse_url($url);
+        $newurl = trim(array_pop($matches));
+		if(strpos($newurl,'/') === 0)
+			$newurl = $url . $newurl;
+        $url_parsed = @parse_url($newurl);
         if (isset($url_parsed)) {
             $redirects++;
-            return post_url($url,$params,$headers,$redirects,$timeout);
+            return fetch_url($newurl,false,$redirects,$timeout);
         }
     }
 	$a->set_curl_code($http_code);
@@ -193,6 +206,7 @@ function xml_status($st, $message = '') {
 if(! function_exists('http_status_exit')) {
 function http_status_exit($val) {
 
+    $err = '';
 	if($val >= 400)
 		$err = 'Error';
 	if($val >= 200 && $val < 300)
@@ -259,22 +273,29 @@ function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
 // 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
+
 if(! function_exists('webfinger_dfrn')) {
-function webfinger_dfrn($s) {
+function webfinger_dfrn($s,&$hcard) {
 	if(! strstr($s,'@')) {
 		return $s;
 	}
+	$profile_link = '';
+
 	$links = webfinger($s);
 	logger('webfinger_dfrn: ' . $s . ':' . print_r($links,true), LOGGER_DATA);
 	if(count($links)) {
-		foreach($links as $link)
+		foreach($links as $link) {
 			if($link['@attributes']['rel'] === NAMESPACE_DFRN)
-				return $link['@attributes']['href'];
-		foreach($links as $link)
+				$profile_link = $link['@attributes']['href'];
 			if($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
-				return 'stat:' . $link['@attributes']['template'];		
+				$profile_link = 'stat:' . $link['@attributes']['template'];	
+			if($link['@attributes']['rel'] === 'http://microformats.org/profile/hcard')
+				$hcard = $link['@attributes']['href'];				
+		}
 	}
-	return '';
+	return $profile_link;
 }}
 
 // Given an email style address, perform webfinger lookup and 
@@ -283,7 +304,7 @@ function webfinger_dfrn($s) {
 
 
 if(! function_exists('webfinger')) {
-function webfinger($s) {
+function webfinger($s, $debug = false) {
 	$host = '';
 	if(strstr($s,'@')) {
 		$host = substr($s,strpos($s,'@') + 1);
@@ -308,7 +329,7 @@ function webfinger($s) {
 }}
 
 if(! function_exists('lrdd')) {
-function lrdd($uri) {
+function lrdd($uri, $debug = false) {
 
 	$a = get_app();
 
@@ -344,6 +365,9 @@ function lrdd($uri) {
 
 	logger('lrdd: host_meta: ' . $xml, LOGGER_DATA);
 
+	if(! stristr($xml,'<xrd'))
+		return array();
+
 	$h = parse_xml_string($xml);
 	if(! $h)
 		return array();
@@ -422,9 +446,14 @@ function lrdd($uri) {
 	// don't try and parse raw xml as html
 	if(! strstr($html,'<?xml')) {
 		require_once('library/HTML5/Parser.php');
-		$dom = @HTML5_Parser::parse($html);
 
-		if($dom) {
+		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 = $item->getAttribute('rel');
@@ -515,6 +544,9 @@ function fetch_xrd_links($url) {
 	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(! $h)
 		return array();
@@ -556,10 +588,14 @@ function fetch_xrd_links($url) {
 
 if(! function_exists('validate_url')) {
 function validate_url(&$url) {
+	
+	// no naked subdomains (allow localhost for tests)
+	if(strpos($url,'.') === false && strpos($url,'/localhost/') === false)
+		return false;
 	if(substr($url,0,4) != 'http')
 		$url = 'http://' . $url;
 	$h = @parse_url($url);
-
+	
 	if(($h) && (dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR))) {
 		return true;
 	}
@@ -658,18 +694,23 @@ function allowed_email($email) {
 }}
 
 
-if(! function_exists('gravatar_img')) {
-function gravatar_img($email) {
-	$size = 175;
-	$opt = 'identicon';   // psuedo-random geometric pattern if not found
-	$rating = 'pg';
-	$hash = md5(trim(strtolower($email)));
-	
-	$url = 'http://www.gravatar.com/avatar/' . $hash . '.jpg' 
-		. '?s=' . $size . '&d=' . $opt . '&r=' . $rating;
+if(! function_exists('avatar_img')) {
+function avatar_img($email) {
+
+	$a = get_app();
+
+	$avatar['size'] = 175;
+	$avatar['email'] = $email;
+	$avatar['url'] = '';
+	$avatar['success'] = false;
 
-	logger('gravatar: ' . $email . ' ' . $url);
-	return $url;
+	call_hooks('avatar_lookup', $avatar);
+
+	if(! $avatar['success'])
+		$avatar['url'] = $a->get_baseurl() . '/images/person-175.jpg';
+
+	logger('Avatar: ' . $avatar['email'] . ' ' . $avatar['url'], LOGGER_DEBUG);
+	return $avatar['url'];
 }}
 
 
@@ -694,24 +735,144 @@ function parse_xml_string($s,$strict = true) {
 	return $x;
 }}
 
-function add_fcontact($arr) {
-
-	$r = q("insert into fcontact ( `url`,`name`,`photo`,`request`,`nick`,`addr`,
-		`notify`,`poll`,`confirm`,`network`,`alias`,`pubkey`,`updated` )
-		values('%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s')",
-		dbesc($arr['url']),
-		dbesc($arr['name']),
-		dbesc($arr['photo']),
-		dbesc($arr['request']),
-		dbesc($arr['nick']),
-		dbesc($arr['addr']),
-		dbesc($arr['notify']),
-		dbesc($arr['poll']),
-		dbesc($arr['confirm']),
-		dbesc($arr['network']),
-		dbesc($arr['alias']),
-		dbesc($arr['pubkey']),
-		dbesc(datetime_convert())
-	);
+function add_fcontact($arr,$update = false) {
+
+	if($update) {
+		$r = q("UPDATE `fcontact` SET
+			`name` = '%s',
+			`photo` = '%s',
+			`request` = '%s',
+			`nick` = '%s',
+			`addr` = '%s',
+			`batch` = '%s',
+			`notify` = '%s',
+			`poll` = '%s',
+			`confirm` = '%s',
+			`alias` = '%s',
+			`pubkey` = '%s',
+			`updated` = '%s'
+			WHERE `url` = '%s' AND `network` = '%s' LIMIT 1", 
+			dbesc($arr['name']),
+			dbesc($arr['photo']),
+			dbesc($arr['request']),
+			dbesc($arr['nick']),
+			dbesc($arr['addr']),
+			dbesc($arr['batch']),
+			dbesc($arr['notify']),
+			dbesc($arr['poll']),
+			dbesc($arr['confirm']),
+			dbesc($arr['alias']),
+			dbesc($arr['pubkey']),
+			dbesc(datetime_convert()),
+			dbesc($arr['url']),
+			dbesc($arr['network'])
+		);
+	}
+	else {
+		$r = q("insert into fcontact ( `url`,`name`,`photo`,`request`,`nick`,`addr`,
+			`batch`, `notify`,`poll`,`confirm`,`network`,`alias`,`pubkey`,`updated` )
+			values('%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s')",
+			dbesc($arr['url']),
+			dbesc($arr['name']),
+			dbesc($arr['photo']),
+			dbesc($arr['request']),
+			dbesc($arr['nick']),
+			dbesc($arr['addr']),
+			dbesc($arr['batch']),
+			dbesc($arr['notify']),
+			dbesc($arr['poll']),
+			dbesc($arr['confirm']),
+			dbesc($arr['network']),
+			dbesc($arr['alias']),
+			dbesc($arr['pubkey']),
+			dbesc(datetime_convert())
+		);
+	}
+
 	return $r;
 }
+
+
+function scale_external_images($s,$include_link = true) {
+
+	$a = get_app();
+
+	$matches = null;
+	$c = preg_match_all('/\[img\](.*?)\[\/img\]/ism',$s,$matches,PREG_SET_ORDER);
+	if($c) {
+		require_once('include/Photo.php');
+		foreach($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))
+				continue;
+			$i = fetch_url($mtch[1]);
+			if($i) {
+				$ph = new Photo($i);
+				if($ph->is_valid()) {
+					$orig_width = $ph->getWidth();
+					$orig_height = $ph->getHeight();
+
+					if($orig_width > 640 || $orig_height > 640) {
+
+						$ph->scaleImage(640);
+						$new_width = $ph->getWidth();
+						$new_height = $ph->getHeight();
+						logger('scale_external_images: ' . $orig_width . '->' . $new_width . 'w ' . $orig_height . '->' . $new_height . 'h' . ' match: ' . $mtch[0], LOGGER_DEBUG);
+						$s = str_replace($mtch[0],'[img=' . $new_width . 'x' . $new_height. ']' . $mtch[1] . '[/img]'
+							. "\n" . (($include_link) 
+								? '[url=' . $mtch[1] . ']' . t('view full size') . '[/url]' . "\n"
+								: ''),$s);
+						logger('scale_external_images: new string: ' . $s, LOGGER_DEBUG);
+					}
+				}
+			}
+		}
+	}
+	return $s;
+}
+
+
+function fix_contact_ssl_policy(&$contact,$new_policy) {
+
+	$ssl_changed = false;
+	if((intval($new_policy) == SSL_POLICY_SELFSIGN || $new_policy === 'self') && strstr($contact['url'],'https:')) {
+		$ssl_changed = true;
+		$contact['url']     = 	str_replace('https:','http:',$contact['url']);
+		$contact['request'] = 	str_replace('https:','http:',$contact['request']);
+		$contact['notify']  = 	str_replace('https:','http:',$contact['notify']);
+		$contact['poll']    = 	str_replace('https:','http:',$contact['poll']);
+		$contact['confirm'] = 	str_replace('https:','http:',$contact['confirm']);
+		$contact['poco']    = 	str_replace('https:','http:',$contact['poco']);
+	}
+
+	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']);
+		$contact['notify']  = 	str_replace('http:','https:',$contact['notify']);
+		$contact['poll']    = 	str_replace('http:','https:',$contact['poll']);
+		$contact['confirm'] = 	str_replace('http:','https:',$contact['confirm']);
+		$contact['poco']    = 	str_replace('http:','https:',$contact['poco']);
+	}
+
+	if($ssl_changed) {
+		q("update contact set 
+			url = '%s', 
+			request = '%s',
+			notify = '%s',
+			poll = '%s',
+			confirm = '%s',
+			poco = '%s'
+			where id = %d limit 1",
+			dbesc($contact['url']),
+			dbesc($contact['request']),
+			dbesc($contact['notify']),
+			dbesc($contact['poll']),
+			dbesc($contact['confirm']),
+			dbesc($contact['poco']),
+			intval($contact['id'])
+		);
+	}
+}
+