<?php
+
/**
* @file src/Content/Text/BBCode.php
*/
+
namespace Friendica\Content\Text;
use DOMDocument;
+use DomXPath;
use Exception;
+use Friendica\BaseObject;
use Friendica\Content\OEmbed;
use Friendica\Content\Smilies;
-use Friendica\Content\Text\Plaintext;
use Friendica\Core\Addon;
use Friendica\Core\Cache;
use Friendica\Core\Config;
use Friendica\Core\L10n;
-use Friendica\Core\Protocol;
use Friendica\Core\PConfig;
+use Friendica\Core\Protocol;
use Friendica\Core\System;
use Friendica\Model\Contact;
+use Friendica\Network\Probe;
use Friendica\Object\Image;
use Friendica\Util\Map;
use Friendica\Util\Network;
use Friendica\Util\ParseUrl;
+use League\HTMLToMarkdown\HtmlConverter;
-require_once "include/bbcode.php";
require_once "include/event.php";
require_once "include/html2plain.php";
require_once "mod/proxy.php";
-class BBCode
+class BBCode extends BaseObject
{
/**
* @brief Fetches attachment data that were generated the old way
}
if ($title != "") {
- $title = bbcode(html_entity_decode($title, ENT_QUOTES, 'UTF-8'), false, false, true);
+ $title = self::convert(html_entity_decode($title, ENT_QUOTES, 'UTF-8'), false, true);
$title = html_entity_decode($title, ENT_QUOTES, 'UTF-8');
$title = str_replace(["[", "]"], ["[", "]"], $title);
$data["title"] = $title;
}
}
- $html = bbcode($post["text"].$post["after"], false, false, $htmlmode);
+ $html = self::convert($post["text"].$post["after"], false, $htmlmode);
$msg = html2plain($html, 0, true);
$msg = trim(html_entity_decode($msg, ENT_QUOTES, 'UTF-8'));
}
if ($data["description"] != "" && $data["description"] != $data["title"]) {
- $return .= sprintf('<blockquote>%s</blockquote>', trim(bbcode($data["description"])));
+ $return .= sprintf('<blockquote>%s</blockquote>', trim(self::convert($data["description"])));
}
if ($data["type"] == "link") {
// We only call this so that a previously unknown contact can be added.
// This is important for the function "Model\Contact::getDetailsByURL()".
// This function then can fetch an entry from the contact table.
- Contact::getIdForURL($profile, 0);
+ Contact::getIdForURL($profile, 0, true);
$data = Contact::getDetailsByURL($profile);
$text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' ' . $userid_compact . ": <br />" . $share[3];
break;
case 3: // Diaspora
- $headline .= '<b>' . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . $userid . ':</b><br />';
+ $headline = '<b>' . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . $userid . ':</b><br />';
$text = trim($share[1]);
break;
case 4:
- $headline .= '<br /><b>' . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8');
+ $headline = '<br /><b>' . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8');
$headline .= L10n::t('<a href="%1$s" target="_blank">%2$s</a> %3$s', $link, $userid, $posted);
$headline .= ":</b><br />";
$text = Cache::get($match[1]);
if (is_null($text)) {
- $a = get_app();
+ $a = self::getApp();
$stamp1 = microtime(true);
$text = Cache::get($match[1]);
if (is_null($text)) {
- $a = get_app();
+ $a = self::getApp();
$stamp1 = microtime(true);
$doc = new DOMDocument();
@$doc->loadHTML($body);
- $xpath = new DomXPath($doc);
+ $xpath = new DOMXPath($doc);
$list = $xpath->query("//meta[@name]");
foreach ($list as $node) {
$attr = [];
* - 8: Used for WP backlink text setting
*
* @param string $text
- * @param bool $preserve_nl
* @param bool $try_oembed
* @param int $simple_html
* @param bool $for_plaintext
* @return string
*/
- public static function convert($text, $preserve_nl = false, $try_oembed = true, $simple_html = false, $for_plaintext = false)
+ public static function convert($text, $try_oembed = true, $simple_html = false, $for_plaintext = false)
{
- $a = get_app();
+ $a = self::getApp();
/*
* preg_match_callback function to replace potential Oembed tags with Oembed content
$text = str_replace(["\r","\n"], ['<br />', '<br />'], $text);
- if ($preserve_nl) {
- $text = str_replace(["\n", "\r"], ['', ''], $text);
- }
-
// Remove all hashtag addresses
if ((!$try_oembed || $simple_html) && !in_array($simple_html, [3, 7])) {
$text = preg_replace("/([#@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $text);
$endlessloop = 0;
while ((strpos($text, "[/quote]")!== false) && (strpos($text, "[quote=") !== false) && (++$endlessloop < 20)) {
$text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
- "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
+ "<p><strong class=".'"author"'.">" . $t_wrote . "</strong></p><blockquote>$2</blockquote>",
$text);
}
return $abstract;
}
+
+ /**
+ * @brief Callback function to replace a Friendica style mention in a mention for Diaspora
+ *
+ * @param array $match Matching values for the callback
+ * @return string Replaced mention
+ */
+ private static function bbCodeMention2DiasporaCallback($match)
+ {
+ $contact = Contact::getDetailsByURL($match[3]);
+
+ if (empty($contact['addr'])) {
+ $contact = Probe::uri($match[3]);
+ }
+
+ if (empty($contact['addr'])) {
+ return $match[0];
+ }
+
+ $mention = '@{' . $match[2] . '; ' . $contact['addr'] . '}';
+ return $mention;
+ }
+
+ /**
+ * @brief Converts a BBCode text into Markdown
+ *
+ * This function converts a BBCode item body to be sent to Markdown-enabled
+ * systems like Diaspora and Libertree
+ *
+ * @param string $text
+ * @param bool $for_diaspora Diaspora requires more changes than Libertree
+ * @return string
+ */
+ public static function toMarkdown($text, $for_diaspora = true)
+ {
+ $a = self::getApp();
+
+ $original_text = $text;
+
+ // Since Diaspora is creating a summary for links, this function removes them before posting
+ if ($for_diaspora) {
+ $text = self::removeShareInformation($text);
+ }
+
+ /**
+ * Transform #tags, strip off the [url] and replace spaces with underscore
+ */
+ $url_search_string = "^\[\]";
+ $text = preg_replace_callback("/#\[url\=([$url_search_string]*)\](.*?)\[\/url\]/i",
+ function ($matches) {
+ return '#' . str_replace(' ', '_', $matches[2]);
+ },
+ $text
+ );
+
+ // Converting images with size parameters to simple images. Markdown doesn't know it.
+ $text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $text);
+
+ // Extracting multi-line code blocks before the whitespace processing/code highlighter in self::convert()
+ $codeblocks = [];
+
+ $text = preg_replace_callback("#\[code(?:=([^\]]*))?\](.*?)\[\/code\]#is",
+ function ($matches) use (&$codeblocks) {
+ $return = $matches[0];
+ if (strpos($matches[2], "\n") !== false) {
+ $return = '#codeblock-' . count($codeblocks) . '#';
+
+ $prefix = '````' . $matches[1] . PHP_EOL;
+ $codeblocks[] = $prefix . trim($matches[2]) . PHP_EOL . '````';
+ }
+ return $return;
+ },
+ $text
+ );
+
+ // Convert it to HTML - don't try oembed
+ if ($for_diaspora) {
+ $text = self::convert($text, false, 3);
+
+ // Add all tags that maybe were removed
+ if (preg_match_all("/#\[url\=([$url_search_string]*)\](.*?)\[\/url\]/ism", $original_text, $tags)) {
+ $tagline = "";
+ foreach ($tags[2] as $tag) {
+ $tag = html_entity_decode($tag, ENT_QUOTES, 'UTF-8');
+ if (!strpos(html_entity_decode($text, ENT_QUOTES, 'UTF-8'), '#' . $tag)) {
+ $tagline .= '#' . $tag . ' ';
+ }
+ }
+ $text = $text . " " . $tagline;
+ }
+ } else {
+ $text = self::convert($text, false, 4);
+ }
+
+ // mask some special HTML chars from conversation to markdown
+ $text = str_replace(['<', '>', '&'], ['&_lt_;', '&_gt_;', '&_amp_;'], $text);
+
+ // If a link is followed by a quote then there should be a newline before it
+ // Maybe we should make this newline at every time before a quote.
+ $text = str_replace(["</a><blockquote>"], ["</a><br><blockquote>"], $text);
+
+ $stamp1 = microtime(true);
+
+ // Now convert HTML to Markdown
+ $converter = new HtmlConverter();
+ $text = $converter->convert($text);
+
+ // unmask the special chars back to HTML
+ $text = str_replace(['&\_lt\_;', '&\_gt\_;', '&\_amp\_;'], ['<', '>', '&'], $text);
+
+ $a->save_timestamp($stamp1, "parser");
+
+ // Libertree has a problem with escaped hashtags.
+ $text = str_replace(['\#'], ['#'], $text);
+
+ // Remove any leading or trailing whitespace, as this will mess up
+ // the Diaspora signature verification and cause the item to disappear
+ $text = trim($text);
+
+ if ($for_diaspora) {
+ $url_search_string = "^\[\]";
+ $text = preg_replace_callback(
+ "/([@]\[(.*?)\])\(([$url_search_string]*?)\)/ism",
+ ['self', 'bbCodeMention2DiasporaCallback'],
+ $text
+ );
+ }
+
+ // Restore code blocks
+ $text = preg_replace_callback('/#codeblock-([0-9]+)#/iU',
+ function ($matches) use ($codeblocks) {
+ $return = '';
+ if (isset($codeblocks[intval($matches[1])])) {
+ $return = $codeblocks[$matches[1]];
+ }
+ return $return;
+ },
+ $text
+ );
+
+ Addon::callHooks('bb2diaspora', $text);
+
+ return $text;
+ }
}