Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
function get_attached_data($body) {
/*
- text:
- type: link, video, photo
- title:
- url:
- image:
- description:
- (thumbnail)
*/
// Simplify image codes
$body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
$post = array();
if (preg_match_all("(\[class=(.*?)\](.*?)\[\/class\])ism",$body, $attached, PREG_SET_ORDER)) {
foreach ($attached AS $data) {
if (!in_array($data[1], array("type-link", "type-video", "type-photo")))
continue;
$post["type"] = substr($data[1], 5);
$post["text"] = trim(str_replace($data[0], "", $body));
$attacheddata = $data[2];
$URLSearchString = "^\[\]";
if (preg_match("/\[img\]([$URLSearchString]*)\[\/img\]/ism", $attacheddata, $matches))
$post["image"] = $matches[1];
if (preg_match("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism", $attacheddata, $matches)) {
$post["url"] = $matches[1];
$post["title"] = $matches[2];
}
// Search for description
if (preg_match("/\[quote\](.*?)\[\/quote\]/ism", $attacheddata, $matches))
$post["description"] = $matches[1];
}
}
// if nothing is found, it maybe having an image.
if (!isset($post["type"])) {
require_once("mod/parse_url.php");
require_once("include/Photo.php");
$URLSearchString = "^\[\]";
if (preg_match_all("(\[url=([$URLSearchString]*)\]\s*\[img\]([$URLSearchString]*)\[\/img\]\s*\[\/url\])ism", $body, $pictures, PREG_SET_ORDER)) {
if (count($pictures) == 1) {
// Checking, if the link goes to a picture
$data = parseurl_getsiteinfo($pictures[0][1], true);
if ($data["type"] == "photo") {
$post["type"] = "photo";
if (isset($data["images"][0]))
$post["image"] = $data["images"][0]["src"];
else
$post["image"] = $data["url"];
$post["preview"] = $pictures[0][2];
$post["text"] = str_replace($pictures[0][0], "", $body);
} else {
$imgdata = get_photo_info($pictures[0][1]);
if (substr($imgdata["mime"], 0, 6) == "image/") {
$post["type"] = "photo";
$post["image"] = $pictures[0][1];
$post["preview"] = $pictures[0][2];
$post["text"] = str_replace($pictures[0][0], "", $body);
}
}
} elseif (count($pictures) > 1) {
$post["type"] = "link";
$post["url"] = $b["plink"];
$post["image"] = $pictures[0][2];
$post["text"] = $body;
}
} elseif (preg_match_all("(\[img\]([$URLSearchString]*)\[\/img\])ism", $body, $pictures, PREG_SET_ORDER)) {
if (count($pictures) == 1) {
$post["type"] = "photo";
$post["image"] = $pictures[0][1];
$post["text"] = str_replace($pictures[0][0], "", $body);
} elseif (count($pictures) > 1) {
$post["type"] = "link";
$post["url"] = $b["plink"];
$post["image"] = $pictures[0][1];
$post["text"] = $body;
}
}
if (!isset($post["type"])) {
$post["type"] = "text";
$post["text"] = trim($body);
}
} elseif (isset($post["url"]) AND ($post["type"] == "video")) {
require_once("mod/parse_url.php");
$data = parseurl_getsiteinfo($post["url"], true);
if (isset($data["images"][0]))
$post["image"] = $data["images"][0]["src"];
}
return($post);
}
function shortenmsg($msg, $limit, $twitter = false) {
// To-Do:
// For Twitter URLs aren't shortened, but they have to be calculated as if.
$lines = explode("\n", $msg);
$msg = "";
$recycle = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
foreach ($lines AS $row=>$line) {
if (iconv_strlen(trim($msg."\n".$line), "UTF-8") <= $limit)
$msg = trim($msg."\n".$line);
// Is the new message empty by now or is it a reshared message?
elseif (($msg == "") OR (($row == 1) AND (substr($msg, 0, 4) == $recycle)))
$msg = iconv_substr(iconv_substr(trim($msg."\n".$line), 0, $limit, "UTF-8"), 0, -3, "UTF-8")."...";
else
break;
}
return($msg);
}
function plaintext($a, $b, $limit = 0, $includedlinks = false, $htmlmode = 2) {
require_once("include/bbcode.php");
require_once("include/html2plain.php");
require_once("include/network.php");
// At first look at data that is attached via "type-..." stuff
// This will hopefully replaced with a dedicated bbcode later
$post = get_attached_data($b["body"]);
if (($b["title"] != "") AND ($post["text"] != ""))
$post["text"] = trim($b["title"]."\n\n".$post["text"]);
elseif ($b["title"] != "")
$post["text"] = trim($b["title"]);
$html = bbcode($post["text"], false, false, $htmlmode);
$msg = html2plain($html, 0, true);
$msg = trim(html_entity_decode($msg,ENT_QUOTES,'UTF-8'));
$link = "";
if ($includedlinks) {
if ($post["type"] == "link")
$link = $post["url"];
elseif ($post["type"] == "video")
$link = $post["url"];
elseif ($post["type"] == "photo")
$link = $post["image"];
if (($msg == "") AND isset($post["title"]))
$msg = trim($post["title"]);
if (($msg == "") AND isset($post["description"]))
$msg = trim($post["description"]);
// If the link is already contained in the post, then it neeedn't to be added again
// But: if the link is beyond the limit, then it has to be added.
if (($link != "") AND strstr($msg, $link)) {
$pos = strpos($msg, $link);
if (($limit == 0) OR ($pos < $limit))
$link = "";
}
}
if ($limit > 0) {
// Reduce multiple spaces
// When posted to a network with limited space, we try to gain space where possible
while (strpos($msg, " ") !== false)
$msg = str_replace(" ", " ", $msg);
// Twitter is using its own limiter, so we always assume that shortened links will have this length
if (iconv_strlen($link, "UTF-8") > 0)
$limit = $limit - 23;
if (iconv_strlen($msg, "UTF-8") > $limit) {
if (!isset($post["url"])) {
$limit = $limit - 23;
$post["url"] = $b["plink"];
} elseif (strpos($b["body"], "[share") !== false)
$post["url"] = $b["plink"];
$msg = shortenmsg($msg, $limit);
}
}
$post["text"] = trim($msg);
return($post);
}
?>