From c024668cf226da7211aaa8cdd04293cf00b8901c Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Tue, 24 Mar 2015 02:36:45 -0700
Subject: catche edge case of tag "@abcdef +1", which tags the first entry in
 your abook, regardless of abcdef. This holds true for other similar patterns
 as well.

---
 include/diaspora.php |  6 +++---
 include/text.php     | 21 +++++++++++++++------
 2 files changed, 18 insertions(+), 9 deletions(-)

(limited to 'include')

diff --git a/include/diaspora.php b/include/diaspora.php
index 1e0e48a86..405fa1e40 100755
--- a/include/diaspora.php
+++ b/include/diaspora.php
@@ -843,7 +843,7 @@ function diaspora_post($importer,$xml,$msg) {
 
 	
 	// Look for tags and linkify them
-	$results = linkify_tags(get_app(), $body, $importer['channel_id']);
+	$results = linkify_tags(get_app(), $body, $importer['channel_id'], true);
 
 	$datarray['term'] = array();
 
@@ -1062,7 +1062,7 @@ function diaspora_reshare($importer,$xml,$msg) {
 	$datarray = array();
 
 	// Look for tags and linkify them
-	$results = linkify_tags(get_app(), $body, $importer['channel_id']);
+	$results = linkify_tags(get_app(), $body, $importer['channel_id'], true);
 
 	$datarray['term'] = array();
 
@@ -1397,7 +1397,7 @@ function diaspora_comment($importer,$xml,$msg) {
 	$datarray = array();
 
 	// Look for tags and linkify them
-	$results = linkify_tags(get_app(), $body, $importer['channel_id']);
+	$results = linkify_tags(get_app(), $body, $importer['channel_id'], true);
 
 	$datarray['term'] = array();
 
diff --git a/include/text.php b/include/text.php
index a21d8029f..0aba45d14 100644
--- a/include/text.php
+++ b/include/text.php
@@ -2105,7 +2105,7 @@ function extra_query_args() {
  *
  * @return boolean true if replaced, false if not replaced
  */
-function handle_tag($a, &$body, &$access_tag, &$str_tags, $profile_uid, $tag) {
+function handle_tag($a, &$body, &$access_tag, &$str_tags, $profile_uid, $tag, $diaspora = false) {
 
 	$replaced = false;
 	$r = null;
@@ -2173,7 +2173,7 @@ function handle_tag($a, &$body, &$access_tag, &$str_tags, $profile_uid, $tag) {
 	if(strpos($tag,'@') === 0) {
 
 		// The @! tag will alter permissions
-		$exclusive = ((strpos($tag,'!') === 1) ? true : false);
+		$exclusive = ((strpos($tag,'!') === 1 && (! $diaspora)) ? true : false);
 
 		//is it already replaced?
 		if(strpos($tag,'[zrl='))
@@ -2202,10 +2202,19 @@ function handle_tag($a, &$body, &$access_tag, &$str_tags, $profile_uid, $tag) {
 		// Here we're looking for an address book entry as provided by the auto-completer
 		// of the form something+nnn where nnn is an abook_id or the first chars of xchan_hash
 
-		if(strrpos($newname,'+')) {
+
+		// If there's a +nnn in the string make sure there isn't a space preceding it
+
+		$t1 = strpos($newname,' ');
+		$t2 = strrpos($newname,'+');
+
+		if($t1 && $t2 && $t1 < $t2)
+			$t2 = 0;
+
+		if(($t2) && (! $diaspora)) {
 			//get the id
 
-			$tagcid = substr($newname,strrpos($newname,'+') + 1);
+			$tagcid = substr($newname,$t2 + 1);
 
 			if(strrpos($tagcid,' '))
 				$tagcid = substr($tagcid,0,strrpos($tagcid,' '));
@@ -2350,7 +2359,7 @@ function handle_tag($a, &$body, &$access_tag, &$str_tags, $profile_uid, $tag) {
 	return array('replaced' => $replaced, 'termtype' => $termtype, 'term' => $newname, 'url' => $url, 'contact' => $r[0]);
 }
 
-function linkify_tags($a, &$body, $uid) {
+function linkify_tags($a, &$body, $uid, $diaspora = false) {
 	$str_tags = '';
 	$tagged = array();
 	$results = array();
@@ -2374,7 +2383,7 @@ function linkify_tags($a, &$body, $uid) {
 			if($fullnametagged)
 				continue;
 
-			$success = handle_tag($a, $body, $access_tag, $str_tags, ($uid) ? $uid : $a->profile_uid , $tag); 
+			$success = handle_tag($a, $body, $access_tag, $str_tags, ($uid) ? $uid : $a->profile_uid , $tag, $diaspora); 
 			$results[] = array('success' => $success, 'access_tag' => $access_tag);
 			if($success['replaced']) $tagged[] = $tag;
 		}
-- 
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