From 1c8e89bd032d15cdabca98d5ae9c8032ed3dd497 Mon Sep 17 00:00:00 2001
From: Friendika <info@friendika.com>
Date: Tue, 20 Sep 2011 16:31:45 -0700
Subject: [PATCH] social bookmark API, oexchange enhancements

---
 include/text.php  | 57 +++++++++++++++++++++++++++++++++++++++++++++++
 mod/parse_url.php | 25 ++++++++++++++++-----
 2 files changed, 76 insertions(+), 6 deletions(-)

diff --git a/include/text.php b/include/text.php
index 501121c802..9ed6d23bfb 100644
--- a/include/text.php
+++ b/include/text.php
@@ -922,3 +922,60 @@ function base64url_decode($s) {
 function cc_license() {
 return '<div class="cc-license">' . t('Shared content is covered by the <a href="http://creativecommons.org/licenses/by/3.0/">Creative Commons Attribution 3.0</a> license.') . '</div>';
 }
+
+if (!function_exists('str_getcsv')) {
+    function str_getcsv($input, $delimiter = ',', $enclosure = '"', $escape = '\\', $eol = '\n') {
+        if (is_string($input) && !empty($input)) {
+            $output = array();
+            $tmp    = preg_split("/".$eol."/",$input);
+            if (is_array($tmp) && !empty($tmp)) {
+                while (list($line_num, $line) = each($tmp)) {
+                    if (preg_match("/".$escape.$enclosure."/",$line)) {
+                        while ($strlen = strlen($line)) {
+                            $pos_delimiter       = strpos($line,$delimiter);
+                            $pos_enclosure_start = strpos($line,$enclosure);
+                            if (
+                                is_int($pos_delimiter) && is_int($pos_enclosure_start)
+                                && ($pos_enclosure_start < $pos_delimiter)
+                                ) {
+                                $enclosed_str = substr($line,1);
+                                $pos_enclosure_end = strpos($enclosed_str,$enclosure);
+                                $enclosed_str = substr($enclosed_str,0,$pos_enclosure_end);
+                                $output[$line_num][] = $enclosed_str;
+                                $offset = $pos_enclosure_end+3;
+                            } else {
+                                if (empty($pos_delimiter) && empty($pos_enclosure_start)) {
+                                    $output[$line_num][] = substr($line,0);
+                                    $offset = strlen($line);
+                                } else {
+                                    $output[$line_num][] = substr($line,0,$pos_delimiter);
+                                    $offset = (
+                                                !empty($pos_enclosure_start)
+                                                && ($pos_enclosure_start < $pos_delimiter)
+                                                )
+                                                ?$pos_enclosure_start
+                                                :$pos_delimiter+1;
+                                }
+                            }
+                            $line = substr($line,$offset);
+                        }
+                    } else {
+                        $line = preg_split("/".$delimiter."/",$line);
+   
+                        /*
+                         * Validating against pesky extra line breaks creating false rows.
+                         */
+                        if (is_array($line) && !empty($line[0])) {
+                            $output[$line_num] = $line;
+                        } 
+                    }
+                }
+                return $output;
+            } else {
+                return false;
+            }
+        } else {
+            return false;
+        }
+    }
+} 
\ No newline at end of file
diff --git a/mod/parse_url.php b/mod/parse_url.php
index 89ef24f876..a238ecb2f9 100644
--- a/mod/parse_url.php
+++ b/mod/parse_url.php
@@ -3,9 +3,14 @@
 require_once('library/HTML5/Parser.php');
 require_once('library/HTMLPurifier.auto.php');
 
+function arr_add_hashes(&$item,$k) {
+	$item = '#' . $item;
+}
+
 function parse_url_content(&$a) {
 
 	$text = null;
+	$str_tags = '';
 
 	if(x($_GET,'binurl'))
 		$url = trim(hex2bin($_GET['binurl']));
@@ -15,8 +20,16 @@ function parse_url_content(&$a) {
 	if($_GET['title'])
 		$title = strip_tags(trim($_GET['title']));
 
-	if($_GET['desc'])
-		$text = strip_tags(trim($_GET['desc']));
+	if($_GET['description'])
+		$text = strip_tags(trim($_GET['description']));
+
+	if($_GET['tags']) {
+		$arr_tags = str_getcsv($_GET['tags']);
+		if(count($arr_tags)) {
+			array_walk($arr_tags,'arr_add_hashes');
+			$str_tags = '<br />' . implode(' ',$arr_tags) . '<br />'; 		
+		}
+	}
 
 	logger('parse_url: ' . $url);
 
@@ -38,7 +51,7 @@ function parse_url_content(&$a) {
 		$text = '<br /><br /><blockquote>' . $text . '</blockquote><br />';
 		$title = str_replace(array("\r","\n"),array('',''),$title);
 
-		$result = sprintf($template,$url,($title) ? $title : $url,$text);
+		$result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
 
 		logger('parse_url (unparsed): returns: ' . $result); 
 
@@ -57,7 +70,7 @@ function parse_url_content(&$a) {
 	logger('parse_url: data: ' . $s, LOGGER_DATA);
 
 	if(! $s) {
-		echo sprintf($template,$url,$url,'');
+		echo sprintf($template,$url,$url,'') . $str_tags;
 		killme();
 	}
 
@@ -80,7 +93,7 @@ function parse_url_content(&$a) {
 	$dom = @HTML5_Parser::parse($s);
 
 	if(! $dom) {
-		echo sprintf($template,$url,$url,'');
+		echo sprintf($template,$url,$url,'') . $str_tags;
 		killme();
 	}
 
@@ -148,7 +161,7 @@ function parse_url_content(&$a) {
 
 	$title = str_replace(array("\r","\n"),array('',''),$title);
 
-	$result = sprintf($template,$url,($title) ? $title : $url,$text);
+	$result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
 
 	logger('parse_url: returns: ' . $result);