Check for hashtags when storing them and eventually adding hashtag links
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20208acb23
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ac3a4824df
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@ -1239,6 +1239,9 @@ function item_store($arr,$force_parent = false, $notify = false, $dontcache = fa
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logger("item_store: Set network to ".$arr["network"]." for ".$arr["uri"], LOGGER_DEBUG);
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}
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// Check for hashtags in the body and repair or add hashtag links
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item_body_set_hashtags($arr);
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$arr['thr-parent'] = $arr['parent-uri'];
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if($arr['parent-uri'] === $arr['uri']) {
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$parent_id = 0;
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@ -1556,6 +1559,64 @@ function item_store($arr,$force_parent = false, $notify = false, $dontcache = fa
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return $current_post;
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}
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function item_body_set_hashtags(&$item) {
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$tags = get_tags($item["body"]);
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// No hashtags?
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if(!count($tags))
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return(false);
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// This sorting is important when there are hashtags that are part of other hashtags
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// Otherwise there could be problems with hashtags like #test and #test2
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rsort($tags);
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$a = get_app();
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$URLSearchString = "^\[\]";
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// All hashtags should point to the home server
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$item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
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"#[url=".$a->get_baseurl()."/search?tag=$2]$2[/url]", $item["body"]);
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$item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
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"#[url=".$a->get_baseurl()."/search?tag=$2]$2[/url]", $item["tag"]);
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// mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
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$item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
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function ($match){
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return("[url=".$match[1]."]".str_replace("#", "#", $match[2])."[/url]");
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},$item["body"]);
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$item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
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function ($match){
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return("[bookmark=".$match[1]."]".str_replace("#", "#", $match[2])."[/bookmark]");
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},$item["body"]);
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$item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
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function ($match){
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return("[attachment ".str_replace("#", "#", $match[1])."]".$match[2]."[/attachment]");
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},$item["body"]);
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// Repair recursive urls
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$item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
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"#$2", $item["body"]);
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foreach($tags as $tag) {
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if(strpos($tag,'#') !== 0)
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continue;
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if(strpos($tag,'[url='))
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continue;
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$basetag = str_replace('_',' ',substr($tag,1));
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$item["body"] = str_replace($tag,'#[url='.$a->get_baseurl().'/search?tag='.rawurlencode($basetag).']'.$basetag.'[/url]', $item["body"]);
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}
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// Convert back the masked hashtags
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$item["body"] = str_replace("#", "#", $item["body"]);
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}
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function get_item_guid($id) {
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$r = q("SELECT `guid` FROM `item` WHERE `id` = %d LIMIT 1", intval($id));
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if (count($r))
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@ -752,6 +752,9 @@ if(! function_exists('get_tags')) {
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function get_tags($s) {
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$ret = array();
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// Convert hashtag links to hashtags
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$s = preg_replace("/#\[url\=([^\[\]]*)\](.*?)\[\/url\]/ism", "#$2", $s);
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// ignore anything in a code block
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$s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
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