<?php
-require_once("include/oembed.php");
-require_once('include/event.php');
+use Friendica\App;
+use Friendica\Core\System;
+use Friendica\Network\Probe;
+
+use League\HTMLToMarkdown\HtmlConverter;
+
+require_once 'include/oembed.php';
+require_once 'include/event.php';
+require_once 'library/markdown.php';
+require_once 'include/html2bbcode.php';
+require_once 'include/bbcode.php';
+
+/**
+ * @brief Callback function to replace a Diaspora style mention in a mention for Friendica
+ *
+ * @param array $match Matching values for the callback
+ * @return string Replaced mention
+ */
+function diaspora_mention2bb($match) {
+ if ($match[2] == '') {
+ return;
+ }
-require_once('library/markdown.php');
-require_once('include/html2bbcode.php');
+ $data = get_contact_details_by_addr($match[2]);
-// we don't want to support a bbcode specific markdown interpreter
-// and the markdown library we have is pretty good, but provides HTML output.
-// So we'll use that to convert to HTML, then convert the HTML back to bbcode,
-// and then clean up a few Diaspora specific constructs.
+ $name = $match[1];
-function diaspora2bb($s) {
+ if ($name == '') {
+ $name = $data['name'];
+ }
+
+ return '@[url=' . $data['url'] . ']' . $name . '[/url]';
+}
- // for testing purposes: Collect raw markdown articles
- // $file = tempnam("/tmp/friendica/", "markdown");
- // file_put_contents($file, $s);
+/*
+ * we don't want to support a bbcode specific markdown interpreter
+ * and the markdown library we have is pretty good, but provides HTML output.
+ * So we'll use that to convert to HTML, then convert the HTML back to bbcode,
+ * and then clean up a few Diaspora specific constructs.
+ */
+function diaspora2bb($s) {
- $s = html_entity_decode($s,ENT_COMPAT,'UTF-8');
+ $s = html_entity_decode($s, ENT_COMPAT, 'UTF-8');
- // Too many new lines. So deactivated the following line
- // $s = str_replace("\r","\n",$s);
- // Simply remove cr.
- $s = str_replace("\r","",$s);
+ // Handles single newlines
+ $s = str_replace("\r\n", "\n", $s);
+ $s = str_replace("\n", " \n", $s);
+ $s = str_replace("\r", " \n", $s);
- // <br/> is invalid. Replace it with the valid expression
- $s = str_replace("<br/>","<br />",$s);
+ // Replace lonely stars in lines not starting with it with literal stars
+ $s = preg_replace('/^([^\*]+)\*([^\*]*)$/im', '$1\*$2', $s);
- $s = preg_replace('/\@\{(.+?)\; (.+?)\@(.+?)\}/','@[url=https://$3/u/$2]$1[/url]',$s);
+ // The parser cannot handle paragraphs correctly
+ $s = str_replace(array('</p>', '<p>', '<p dir="ltr">'), array('<br>', '<br>', '<br>'), $s);
- // Escaping the hash tags - doesn't always seem to work
- // $s = preg_replace('/\#([^\s\#])/','\\#$1',$s);
- // This seems to work
- $s = preg_replace('/\#([^\s\#])/','#$1',$s);
+ // Escaping the hash tags
+ $s = preg_replace('/\#([^\s\#])/', '#$1', $s);
$s = Markdown($s);
- $s = str_replace('#','#',$s);
+ $regexp = "/@\{(?:([^\}]+?); )?([^\} ]+)\}/";
+ $s = preg_replace_callback($regexp, 'diaspora_mention2bb', $s);
- $s = str_replace("\n",'<br />',$s);
+ $s = str_replace('#', '#', $s);
$s = html2bbcode($s);
-// $s = str_replace('*','*',$s);
+
+ // protect the recycle symbol from turning into a tag, but without unescaping angles and naked ampersands
+ $s = str_replace('♲', html_entity_decode('♲', ENT_QUOTES, 'UTF-8'), $s);
// Convert everything that looks like a link to a link
- $s = preg_replace("/([^\]\=]|^)(https?\:\/\/)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3]$2$3[/url]',$s);
+ $s = preg_replace('/([^\]=]|^)(https?\:\/\/)([a-zA-Z0-9:\/\-?&;.=_~#%$!+,@]+(?<!,))/ism', '$1[url=$2$3]$2$3[/url]', $s);
//$s = preg_replace("/([^\]\=]|^)(https?\:\/\/)(vimeo|youtu|www\.youtube|soundcloud)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3$4]$2$3$4[/url]',$s);
- $s = preg_replace("/\[url\=?(.*?)\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/url\]/ism",'[youtube]$2[/youtube]',$s);
- $s = preg_replace("/\[url\=https?:\/\/www.youtube.com\/watch\?v\=(.*?)\].*?\[\/url\]/ism",'[youtube]$1[/youtube]',$s);
- $s = preg_replace("/\[url\=?(.*?)\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/url\]/ism",'[vimeo]$2[/vimeo]',$s);
- $s = preg_replace("/\[url\=https?:\/\/vimeo.com\/([0-9]+)\](.*?)\[\/url\]/ism",'[vimeo]$1[/vimeo]',$s);
+ $s = bb_tag_preg_replace('/\[url\=?(.*?)\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/url\]/ism', '[youtube]$2[/youtube]', 'url', $s);
+ $s = bb_tag_preg_replace('/\[url\=https?:\/\/www.youtube.com\/watch\?v\=(.*?)\].*?\[\/url\]/ism' , '[youtube]$1[/youtube]', 'url', $s);
+ $s = bb_tag_preg_replace('/\[url\=?(.*?)\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/url\]/ism' , '[vimeo]$2[/vimeo]' , 'url', $s);
+ $s = bb_tag_preg_replace('/\[url\=https?:\/\/vimeo.com\/([0-9]+)\](.*?)\[\/url\]/ism' , '[vimeo]$1[/vimeo]' , 'url', $s);
+
// remove duplicate adjacent code tags
- $s = preg_replace("/(\[code\])+(.*?)(\[\/code\])+/ism","[code]$2[/code]", $s);
+ $s = preg_replace('/(\[code\])+(.*?)(\[\/code\])+/ism', '[code]$2[/code]', $s);
// Don't show link to full picture (until it is fixed)
$s = scale_external_images($s, false);
return $s;
}
+/**
+ * @brief Callback function to replace a Friendica style mention in a mention for Diaspora
+ *
+ * @param array $match Matching values for the callback
+ * @return string Replaced mention
+ */
+function diaspora_mentions($match) {
-function stripdcode_br_cb($s) {
- return '[code]' . str_replace('<br />', "\n\t", $s[1]) . '[/code]';
-}
-
-
-
-function bb2diaspora($Text,$preserve_nl = false) {
+ $contact = get_contact_details_by_url($match[3]);
- $ev = bbtoevent($Text);
+ if (!x($contact, 'addr')) {
+ $contact = Probe::uri($match[3]);
+ }
- // Replace any html brackets with HTML Entities to prevent executing HTML or script
- // Don't use strip_tags here because it breaks [url] search by replacing & with amp
+ if (!x($contact, 'addr')) {
+ return $match[0];
+ }
- $Text = str_replace("<", "<", $Text);
- $Text = str_replace(">", ">", $Text);
+ $mention = '@{' . $match[2] . '; ' . $contact['addr'] . '}';
+ return $mention;
+}
- // If we find any event code, turn it into an event.
- // After we're finished processing the bbcode we'll
- // replace all of the event code with a reformatted version.
+/**
+ * @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 $preserve_nl Effects unclear, unused in Friendica
+ * @param bool $fordiaspora Diaspora requires more changes than Libertree
+ * @return string
+ */
+function bb2diaspora($Text, $preserve_nl = false, $fordiaspora = true) {
+ $a = get_app();
+ $OriginalText = $Text;
- if($preserve_nl)
- $Text = str_replace(array("\n","\r"), array('',''),$Text);
+ // Since Diaspora is creating a summary for links, this function removes them before posting
+ if ($fordiaspora) {
+ $Text = bb_remove_share_information($Text);
+ }
- // Set up the parameters for a URL search string
+ /**
+ * Transform #tags, strip off the [url] and replace spaces with underscore
+ */
$URLSearchString = "^\[\]";
- // Set up the parameters for a MAIL search string
- $MAILSearchString = $URLSearchString;
-
- // Perform URL Search
-
- // [img]pathtoimage[/img]
-
- // the following was added on 10-January-2012 due to an inability of Diaspora's
- // new javascript markdown processor to handle links with images as the link "text"
- // It is not optimal and may be removed if this ability is restored in the future
-
- $Text = preg_replace("/\[url\=([$URLSearchString]*)\]\[img\](.*?)\[\/img\]\[\/url\]/ism",
- '' . "\n" . '[' . t('link') . '](' . '$1' . ')', $Text);
-
- $Text = preg_replace("/\[bookmark\]([$URLSearchString]*)\[\/bookmark\]/ism", '[$1]($1)', $Text);
- $Text = preg_replace("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism", '[$2]($1)', $Text);
-
- $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '[$1]($1)', $Text);
- $Text = preg_replace("/\#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[#$2]($1)', $Text);
- $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[$2]($1)', $Text);
-
-
- $Text = preg_replace("/\[img\](.*?)\[\/img\]/", '', $Text);
- $Text = preg_replace("/\[img\=(.*?)\](.*?)\[\/img\]/", '', $Text);
-
- // Perform MAIL Search
- $Text = preg_replace("(\[mail\]([$MAILSearchString]*)\[/mail\])", '[$1](mailto:$1)', $Text);
- $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '[$2](mailto:$1)', $Text);
-
- $Text = str_replace('*', '\\*', $Text);
- $Text = str_replace('_', '\\_', $Text);
-
- $Text = str_replace('`','\\`', $Text);
-
- // Check for bold text
- $Text = preg_replace("(\[b\](.*?)\[\/b\])is",'**$1**',$Text);
-
- // Check for Italics text
- $Text = preg_replace("(\[i\](.*?)\[\/i\])is",'_$1_',$Text);
-
- // Check for Underline text
-// $Text = preg_replace("(\[u\](.*?)\[\/u\])is",'<u>$1</u>',$Text);
-
- // Check for strike-through text
-// $Text = preg_replace("(\[s\](.*?)\[\/s\])is",'<strike>$1</strike>',$Text);
-
- // Check for over-line text
-// $Text = preg_replace("(\[o\](.*?)\[\/o\])is",'<span class="overline">$1</span>',$Text);
-
- // Check for colored text
-// $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])is","<span style=\"color: $1;\">$2</span>",$Text);
-
- // Check for sized text
-// $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])is","<span style=\"font-size: $1;\">$2</span>",$Text);
-
- // Check for list text
-// $Text = preg_replace("/\[list\](.*?)\[\/list\]/is", '<ul class="listbullet">$1</ul>' ,$Text);
-// $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/is", '<ul class="listdecimal">$1</ul>' ,$Text);
-// $Text = preg_replace("/\[list=i\](.*?)\[\/list\]/s",'<ul class="listlowerroman">$1</ul>' ,$Text);
-// $Text = preg_replace("/\[list=I\](.*?)\[\/list\]/s", '<ul class="listupperroman">$1</ul>' ,$Text);
-// $Text = preg_replace("/\[list=a\](.*?)\[\/list\]/s", '<ul class="listloweralpha">$1</ul>' ,$Text);
-// $Text = preg_replace("/\[list=A\](.*?)\[\/list\]/s", '<ul class="listupperalpha">$1</ul>' ,$Text);
-// $Text = preg_replace("/\[li\](.*?)\[\/li\]/s", '<li>$1</li>' ,$Text);
-
-// $Text = preg_replace("/\[td\](.*?)\[\/td\]/s", '<td>$1</td>' ,$Text);
-// $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/s", '<tr>$1</tr>' ,$Text);
-// $Text = preg_replace("/\[table\](.*?)\[\/table\]/s", '<table>$1</table>' ,$Text);
-
-// $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/s", '<table border="1" >$1</table>' ,$Text);
-// $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/s", '<table border="0" >$1</table>' ,$Text);
-
-
-// $Text = str_replace("[*]", "<li>", $Text);
-
- // Check for font change text
-// $Text = preg_replace("(\[font=(.*?)\](.*?)\[\/font\])","<span style=\"font-family: $1;\">$2</span>",$Text);
-
-
- $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/is",'stripdcode_br_cb',$Text);
-
- // Check for [code] text
- $Text = preg_replace("/(\[code\])+(.*?)(\[\/code\])+/is","\t$2\n", $Text);
-
-
-
-
- // Declare the format for [quote] layout
- // $QuoteLayout = '<blockquote>$1</blockquote>';
- // Check for [quote] text
- $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/is",">$1\n\n", $Text);
-
- // Images
-
- // html5 video and audio
-
- $Text = preg_replace("/\[video\](.*?)\[\/video\]/", '$1', $Text);
-
- $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '$1', $Text);
+ $Text = preg_replace_callback("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/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 bbcode()
+ $codeblocks = [];
+ $Text = preg_replace_callback('#\[code(?:=([^\]]*))?\](?=\n)(.*?)\[\/code\]#is',
+ function ($matches) use (&$codeblocks) {
+ $return = '#codeblock-' . count($codeblocks) . '#';
+
+ $prefix = '````' . $matches[1] . PHP_EOL;
+ $codeblocks[] = $prefix . trim($matches[2]) . PHP_EOL . '````';
+ return $return;
+ }
+ , $Text);
+
+ // Convert it to HTML - don't try oembed
+ if ($fordiaspora) {
+ $Text = bbcode($Text, $preserve_nl, false, 3);
+
+ // Add all tags that maybe were removed
+ if (preg_match_all("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", $OriginalText, $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 {
+ $Text = bbcode($Text, $preserve_nl, false, 4);
+ }
-// $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/", '<iframe src="$1" width="425" height="350"><a href="$1">$1</a></iframe>', $Text);
-
- // [img=widthxheight]image source[/img]
-// $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/", '<img src="$3" style="height:{$2}px; width:{$1}px;" >', $Text);
+ // mask some special HTML chars from conversation to markdown
+ $Text = str_replace(array('<', '>', '&'), array('&_lt_;', '&_gt_;', '&_amp_;'), $Text);
- $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text);
- $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text);
- $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text);
- $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", 'http://www.youtube.com/watch?v=$1', $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(array("</a><blockquote>"), array("</a><br><blockquote>"), $Text);
- $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'http://vimeo.com/$1',$Text);
- $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'http://vimeo.com/$1',$Text);
- $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", 'http://vimeo.com/$1',$Text);
+ $stamp1 = microtime(true);
+ // Now convert HTML to Markdown
+ $converter = new HtmlConverter();
+ $Text = $converter->convert($Text);
- $Text = str_replace('[nosmile]','',$Text);
+ // unmask the special chars back to HTML
+ $Text = str_replace(array('&\_lt\_;', '&\_gt\_;', '&\_amp\_;'), array('<', '>', '&'), $Text);
- // oembed tag
- // $Text = oembed_bbcode2html($Text);
+ $a->save_timestamp($stamp1, "parser");
- // If we found an event earlier, strip out all the event code and replace with a reformatted version.
+ // Libertree has a problem with escaped hashtags.
+ $Text = str_replace(array('\#'), array('#'), $Text);
- if(x($ev,'desc') && x($ev,'start')) {
+ // Remove any leading or trailing whitespace, as this will mess up
+ // the Diaspora signature verification and cause the item to disappear
+ $Text = trim($Text);
- $sub = format_event_diaspora($ev);
-
- $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/is",$sub,$Text);
- $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/is",'',$Text);
- $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/is",'',$Text);
- $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/is",'',$Text);
- $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/is",'',$Text);
+ if ($fordiaspora) {
+ $URLSearchString = "^\[\]";
+ $Text = preg_replace_callback("/([@]\[(.*?)\])\(([$URLSearchString]*?)\)/ism", 'diaspora_mentions', $Text);
}
- $Text = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$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);
- $Text = preg_replace('/\[(.*?)\]\((.*?)\\\\_(.*?)\)/ism','[$1]($2_$3)',$Text);
-
call_hooks('bb2diaspora',$Text);
return $Text;
}
-function format_event_diaspora($ev) {
-
- $a = get_app();
+function unescape_underscores_in_links($m) {
+ $y = str_replace('\\_', '_', $m[2]);
+ return('[' . $m[1] . '](' . $y . ')');
+}
- if(! ((is_array($ev)) && count($ev)))
+function format_event_diaspora($ev) {
+ if (! ((is_array($ev)) && count($ev))) {
return '';
+ }
$bd_format = t('l F d, Y \@ g:i A') ; // Friday January 18, 2011 @ 8 AM
$o = 'Friendica event notification:' . "\n";
- $o .= '**' . bb2diaspora($ev['desc']) . '**' . "\n";
+ $o .= '**' . (($ev['summary']) ? bb2diaspora($ev['summary']) : bb2diaspora($ev['desc'])) . '**' . "\n";
$o .= t('Starts:') . ' ' . '['
- . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
+ . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
$ev['start'] , $bd_format ))
- : day_translate(datetime_convert('UTC', 'UTC',
+ : day_translate(datetime_convert('UTC', 'UTC',
$ev['start'] , $bd_format)))
- . '](' . $a->get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['start'])) . ")\n";
+ . '](' . System::baseUrl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['start'])) . ")\n";
- if(! $ev['nofinish'])
- $o .= t('Finishes:') . ' ' . '['
- . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
+ if (! $ev['nofinish']) {
+ $o .= t('Finishes:') . ' ' . '['
+ . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
$ev['finish'] , $bd_format ))
- : day_translate(datetime_convert('UTC', 'UTC',
+ : day_translate(datetime_convert('UTC', 'UTC',
$ev['finish'] , $bd_format )))
- . '](' . $a->get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['finish'])) . ")\n";
+ . '](' . System::baseUrl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['finish'])) . ")\n";
+ }
- if(strlen($ev['location']))
- $o .= t('Location:') . bb2diaspora($ev['location'])
+ if (strlen($ev['location'])) {
+ $o .= t('Location:') . bb2diaspora($ev['location'])
. "\n";
+ }
$o .= "\n";
return $o;
projects / friendica.git / blobdiff