Create Plaintext class
create Plaintext class with functions from include/plaintext
This commit is contained in:
Adam Magness
parent
cae8fd36fb
commit
792f069c6e
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@ -0,0 +1,507 @@
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<?php
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/**
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* @file src/Content/Text/Plaintext.php
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*/
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namespace Friendica\Content\Text;
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use Friendica\App;
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use Friendica\Core\PConfig;
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use Friendica\Object\Image;
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use Friendica\Util\ParseUrl;
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require_once "include/bbcode.php";
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require_once "include/html2plain.php";
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require_once "include/network.php";
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class Plaintext
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{
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/**
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* @brief Fetches attachment data that were generated the old way
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*
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* @param string $body Message body
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* @return array
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* 'type' -> Message type ("link", "video", "photo")
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* 'text' -> Text before the shared message
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* 'after' -> Text after the shared message
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* 'image' -> Preview image of the message
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* 'url' -> Url to the attached message
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* 'title' -> Title of the attachment
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* 'description' -> Description of the attachment
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*/
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function getOldAttachmentData($body)
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{
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$post = [];
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// Simplify image codes
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$body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
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if (preg_match_all("(\[class=(.*?)\](.*?)\[\/class\])ism", $body, $attached, PREG_SET_ORDER)) {
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foreach ($attached as $data) {
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if (!in_array($data[1], ["type-link", "type-video", "type-photo"])) {
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continue;
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}
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$post["type"] = substr($data[1], 5);
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$pos = strpos($body, $data[0]);
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if ($pos > 0) {
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$post["text"] = trim(substr($body, 0, $pos));
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$post["after"] = trim(substr($body, $pos + strlen($data[0])));
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} else {
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$post["text"] = trim(str_replace($data[0], "", $body));
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}
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$attacheddata = $data[2];
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$URLSearchString = "^\[\]";
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if (preg_match("/\[img\]([$URLSearchString]*)\[\/img\]/ism", $attacheddata, $matches)) {
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$picturedata = Image::getInfoFromURL($matches[1]);
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if (($picturedata[0] >= 500) && ($picturedata[0] >= $picturedata[1])) {
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$post["image"] = $matches[1];
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} else {
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$post["preview"] = $matches[1];
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}
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}
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if (preg_match("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism", $attacheddata, $matches)) {
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$post["url"] = $matches[1];
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$post["title"] = $matches[2];
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}
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if (($post["url"] == "") && (in_array($post["type"], ["link", "video"]))
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&& preg_match("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", $attacheddata, $matches)) {
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$post["url"] = $matches[1];
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}
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// Search for description
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if (preg_match("/\[quote\](.*?)\[\/quote\]/ism", $attacheddata, $matches)) {
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$post["description"] = $matches[1];
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}
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}
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}
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return $post;
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}
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/**
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* @brief Fetches attachment data that were generated with the "attachment" element
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*
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* @param string $body Message body
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* @return array
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* 'type' -> Message type ("link", "video", "photo")
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* 'text' -> Text before the shared message
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* 'after' -> Text after the shared message
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* 'image' -> Preview image of the message
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* 'url' -> Url to the attached message
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* 'title' -> Title of the attachment
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* 'description' -> Description of the attachment
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*/
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function getAttachmentData($body)
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{
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$data = [];
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if (!preg_match("/(.*)\[attachment(.*?)\](.*?)\[\/attachment\](.*)/ism", $body, $match)) {
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return get_old_attachment_data($body);
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}
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$attributes = $match[2];
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$data["text"] = trim($match[1]);
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$type = "";
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preg_match("/type='(.*?)'/ism", $attributes, $matches);
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if (x($matches, 1)) {
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$type = strtolower($matches[1]);
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}
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preg_match('/type="(.*?)"/ism', $attributes, $matches);
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if (x($matches, 1)) {
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$type = strtolower($matches[1]);
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}
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if ($type == "") {
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return [];
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}
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if (!in_array($type, ["link", "audio", "photo", "video"])) {
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return [];
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}
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if ($type != "") {
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$data["type"] = $type;
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}
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$url = "";
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preg_match("/url='(.*?)'/ism", $attributes, $matches);
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if (x($matches, 1)) {
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$url = $matches[1];
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}
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preg_match('/url="(.*?)"/ism', $attributes, $matches);
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if (x($matches, 1)) {
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$url = $matches[1];
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}
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if ($url != "") {
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$data["url"] = html_entity_decode($url, ENT_QUOTES, 'UTF-8');
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}
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$title = "";
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preg_match("/title='(.*?)'/ism", $attributes, $matches);
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if (x($matches, 1)) {
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$title = $matches[1];
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}
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preg_match('/title="(.*?)"/ism', $attributes, $matches);
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if (x($matches, 1)) {
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$title = $matches[1];
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}
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if ($title != "") {
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$title = bbcode(html_entity_decode($title, ENT_QUOTES, 'UTF-8'), false, false, true);
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$title = html_entity_decode($title, ENT_QUOTES, 'UTF-8');
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$title = str_replace(["[", "]"], ["[", "]"], $title);
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$data["title"] = $title;
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}
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$image = "";
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preg_match("/image='(.*?)'/ism", $attributes, $matches);
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if (x($matches, 1)) {
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$image = $matches[1];
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}
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preg_match('/image="(.*?)"/ism', $attributes, $matches);
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if (x($matches, 1)) {
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$image = $matches[1];
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}
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if ($image != "") {
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$data["image"] = html_entity_decode($image, ENT_QUOTES, 'UTF-8');
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}
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$preview = "";
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preg_match("/preview='(.*?)'/ism", $attributes, $matches);
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if (x($matches, 1)) {
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$preview = $matches[1];
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}
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preg_match('/preview="(.*?)"/ism', $attributes, $matches);
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if (x($matches, 1)) {
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$preview = $matches[1];
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}
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if ($preview != "") {
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$data["preview"] = html_entity_decode($preview, ENT_QUOTES, 'UTF-8');
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}
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$data["description"] = trim($match[3]);
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$data["after"] = trim($match[4]);
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return $data;
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}
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function getAttachedData($body, $item = [])
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{
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/*
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- text:
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- type: link, video, photo
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- title:
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- url:
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- image:
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- description:
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- (thumbnail)
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*/
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$has_title = !empty($item['title']);
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$plink = (!empty($item['plink']) ? $item['plink'] : '');
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$post = get_attachment_data($body);
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// if nothing is found, it maybe having an image.
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if (!isset($post["type"])) {
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// Simplify image codes
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$body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
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$URLSearchString = "^\[\]";
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if (preg_match_all("(\[url=([$URLSearchString]*)\]\s*\[img\]([$URLSearchString]*)\[\/img\]\s*\[\/url\])ism", $body, $pictures, PREG_SET_ORDER)) {
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if ((count($pictures) == 1) && !$has_title) {
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// Checking, if the link goes to a picture
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$data = ParseUrl::getSiteinfoCached($pictures[0][1], true);
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// Workaround:
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// Sometimes photo posts to the own album are not detected at the start.
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// So we seem to cannot use the cache for these cases. That's strange.
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if (($data["type"] != "photo") && strstr($pictures[0][1], "/photos/")) {
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$data = ParseUrl::getSiteinfo($pictures[0][1], true);
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}
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if ($data["type"] == "photo") {
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$post["type"] = "photo";
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if (isset($data["images"][0])) {
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$post["image"] = $data["images"][0]["src"];
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$post["url"] = $data["url"];
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} else {
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$post["image"] = $data["url"];
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}
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$post["preview"] = $pictures[0][2];
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$post["text"] = str_replace($pictures[0][0], "", $body);
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} else {
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$imgdata = Image::getInfoFromURL($pictures[0][1]);
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if (substr($imgdata["mime"], 0, 6) == "image/") {
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$post["type"] = "photo";
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$post["image"] = $pictures[0][1];
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$post["preview"] = $pictures[0][2];
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$post["text"] = str_replace($pictures[0][0], "", $body);
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}
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}
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} elseif (count($pictures) > 0) {
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$post["type"] = "link";
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$post["url"] = $plink;
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$post["image"] = $pictures[0][2];
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$post["text"] = $body;
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}
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} elseif (preg_match_all("(\[img\]([$URLSearchString]*)\[\/img\])ism", $body, $pictures, PREG_SET_ORDER)) {
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if ((count($pictures) == 1) && !$has_title) {
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$post["type"] = "photo";
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$post["image"] = $pictures[0][1];
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$post["text"] = str_replace($pictures[0][0], "", $body);
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} elseif (count($pictures) > 0) {
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$post["type"] = "link";
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$post["url"] = $plink;
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$post["image"] = $pictures[0][1];
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$post["text"] = $body;
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}
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}
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// Test for the external links
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preg_match_all("(\[url\]([$URLSearchString]*)\[\/url\])ism", $body, $links1, PREG_SET_ORDER);
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preg_match_all("(\[url\=([$URLSearchString]*)\].*?\[\/url\])ism", $body, $links2, PREG_SET_ORDER);
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$links = array_merge($links1, $links2);
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// If there is only a single one, then use it.
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// This should cover link posts via API.
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if ((count($links) == 1) && !isset($post["preview"]) && !$has_title) {
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$post["type"] = "link";
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$post["text"] = trim($body);
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$post["url"] = $links[0][1];
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}
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// Now count the number of external media links
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preg_match_all("(\[vimeo\](.*?)\[\/vimeo\])ism", $body, $links1, PREG_SET_ORDER);
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preg_match_all("(\[youtube\\](.*?)\[\/youtube\\])ism", $body, $links2, PREG_SET_ORDER);
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preg_match_all("(\[video\\](.*?)\[\/video\\])ism", $body, $links3, PREG_SET_ORDER);
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preg_match_all("(\[audio\\](.*?)\[\/audio\\])ism", $body, $links4, PREG_SET_ORDER);
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// Add them to the other external links
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$links = array_merge($links, $links1, $links2, $links3, $links4);
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// Are there more than one?
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if (count($links) > 1) {
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// The post will be the type "text", which means a blog post
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unset($post["type"]);
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$post["url"] = $plink;
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}
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if (!isset($post["type"])) {
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$post["type"] = "text";
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$post["text"] = trim($body);
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}
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} elseif (isset($post["url"]) && ($post["type"] == "video")) {
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$data = ParseUrl::getSiteinfoCached($post["url"], true);
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if (isset($data["images"][0])) {
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$post["image"] = $data["images"][0]["src"];
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}
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}
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return $post;
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}
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/**
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* Shortens message
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*
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* @param type $msg
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* @param type $limit
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* @return type
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*
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* @todo For Twitter URLs aren't shortened, but they have to be calculated as if.
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*/
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function shortenMsg($msg, $limit)
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{
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$lines = explode("\n", $msg);
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$msg = "";
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$recycle = html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8');
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$ellipsis = html_entity_decode("…", ENT_QUOTES, 'UTF-8');
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foreach ($lines as $row => $line) {
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if (iconv_strlen(trim($msg . "\n" . $line), "UTF-8") <= $limit) {
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$msg = trim($msg . "\n" . $line);
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} elseif (($msg == "") || (($row == 1) && (substr($msg, 0, 4) == $recycle))) {
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// Is the new message empty by now or is it a reshared message?
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$msg = iconv_substr(iconv_substr(trim($msg . "\n" . $line), 0, $limit, "UTF-8"), 0, -3, "UTF-8") . $ellipsis;
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} else {
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break;
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}
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}
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return $msg;
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}
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/**
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* @brief Convert a message into plaintext for connectors to other networks
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*
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* @param array $b The message array that is about to be posted
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* @param int $limit The maximum number of characters when posting to that network
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* @param bool $includedlinks Has an attached link to be included into the message?
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* @param int $htmlmode This triggers the behaviour of the bbcode conversion
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* @param string $target_network Name of the network where the post should go to.
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*
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* @return string The converted message
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*/
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function toPlaintext($b, $limit = 0, $includedlinks = false, $htmlmode = 2, $target_network = "")
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{
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// Remove the hash tags
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$URLSearchString = "^\[\]";
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$body = preg_replace("/([#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $b["body"]);
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// Add an URL element if the text contains a raw link
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||||||
|
$body = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url]$2[/url]', $body);
|
||||||
|
|
||||||
|
// Remove the abstract
|
||||||
|
$body = remove_abstract($body);
|
||||||
|
|
||||||
|
// 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"]);
|
||||||
|
$post = get_attached_data($body, $b);
|
||||||
|
|
||||||
|
if (($b["title"] != "") && ($post["text"] != "")) {
|
||||||
|
$post["text"] = trim($b["title"]."\n\n".$post["text"]);
|
||||||
|
} elseif ($b["title"] != "") {
|
||||||
|
$post["text"] = trim($b["title"]);
|
||||||
|
}
|
||||||
|
|
||||||
|
$abstract = "";
|
||||||
|
|
||||||
|
// Fetch the abstract from the given target network
|
||||||
|
if ($target_network != "") {
|
||||||
|
$default_abstract = fetch_abstract($b["body"]);
|
||||||
|
$abstract = fetch_abstract($b["body"], $target_network);
|
||||||
|
|
||||||
|
// If we post to a network with no limit we only fetch
|
||||||
|
// an abstract exactly for this network
|
||||||
|
if (($limit == 0) && ($abstract == $default_abstract)) {
|
||||||
|
$abstract = "";
|
||||||
|
}
|
||||||
|
} else {// Try to guess the correct target network
|
||||||
|
switch ($htmlmode) {
|
||||||
|
case 8:
|
||||||
|
$abstract = fetch_abstract($b["body"], NETWORK_TWITTER);
|
||||||
|
break;
|
||||||
|
case 7:
|
||||||
|
$abstract = fetch_abstract($b["body"], NETWORK_STATUSNET);
|
||||||
|
break;
|
||||||
|
case 6:
|
||||||
|
$abstract = fetch_abstract($b["body"], NETWORK_APPNET);
|
||||||
|
break;
|
||||||
|
default: // We don't know the exact target.
|
||||||
|
// We fetch an abstract since there is a posting limit.
|
||||||
|
if ($limit > 0) {
|
||||||
|
$abstract = fetch_abstract($b["body"]);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if ($abstract != "") {
|
||||||
|
$post["text"] = $abstract;
|
||||||
|
|
||||||
|
if ($post["type"] == "text") {
|
||||||
|
$post["type"] = "link";
|
||||||
|
$post["url"] = $b["plink"];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
$html = bbcode($post["text"].$post["after"], 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"] == "text") {
|
||||||
|
$link = $post["url"];
|
||||||
|
} elseif ($post["type"] == "video") {
|
||||||
|
$link = $post["url"];
|
||||||
|
} elseif ($post["type"] == "photo") {
|
||||||
|
$link = $post["image"];
|
||||||
|
}
|
||||||
|
|
||||||
|
if (($msg == "") && isset($post["title"])) {
|
||||||
|
$msg = trim($post["title"]);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (($msg == "") && isset($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 (($link != "") && strstr($msg, $link)) {
|
||||||
|
$pos = strpos($msg, $link);
|
||||||
|
|
||||||
|
// Will the text be shortened in the link?
|
||||||
|
// Or is the link the last item in the post?
|
||||||
|
if (($limit > 0) && ($pos < $limit) && (($pos + 23 > $limit) || ($pos + strlen($link) == strlen($msg)))) {
|
||||||
|
$msg = trim(str_replace($link, "", $msg));
|
||||||
|
} elseif (($limit == 0) || ($pos < $limit)) {
|
||||||
|
// The limit has to be increased since it will be shortened - but not now
|
||||||
|
// Only do it with Twitter (htmlmode = 8)
|
||||||
|
if (($limit > 0) && (strlen($link) > 23) && ($htmlmode == 8)) {
|
||||||
|
$limit = $limit - 23 + strlen($link);
|
||||||
|
}
|
||||||
|
|
||||||
|
$link = "";
|
||||||
|
|
||||||
|
if ($post["type"] == "text") {
|
||||||
|
unset($post["url"]);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if ($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") > $limit) {
|
||||||
|
if (($post["type"] == "text") && isset($post["url"])) {
|
||||||
|
$post["url"] = $b["plink"];
|
||||||
|
} elseif (!isset($post["url"])) {
|
||||||
|
$limit = $limit - 23;
|
||||||
|
$post["url"] = $b["plink"];
|
||||||
|
// Which purpose has this line? It is now uncommented, but left as a reminder
|
||||||
|
//} elseif (strpos($b["body"], "[share") !== false) {
|
||||||
|
// $post["url"] = $b["plink"];
|
||||||
|
} elseif (PConfig::get($b["uid"], "system", "no_intelligent_shortening")) {
|
||||||
|
$post["url"] = $b["plink"];
|
||||||
|
}
|
||||||
|
$msg = shortenmsg($msg, $limit);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
$post["text"] = trim($msg);
|
||||||
|
|
||||||
|
return($post);
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user