3 require_once("include/oembed.php");
4 require_once("include/event.php");
5 require_once("library/markdown.php");
6 require_once("include/html2bbcode.php");
7 require_once("include/bbcode.php");
8 require_once("library/html-to-markdown/HTML_To_Markdown.php");
11 * @brief Callback function to replace a Diaspora style mention in a mention for Friendica
13 * @param array $match Matching values for the callback
14 * @return string Replaced mention
16 function diaspora_mention2bb($match) {
17 if ($match[2] == '') {
21 $data = get_contact_details_by_addr($match[2]);
26 $name = $data['name'];
29 return '@[url='.$data['url'].']'.$name.'[/url]';
32 // we don't want to support a bbcode specific markdown interpreter
33 // and the markdown library we have is pretty good, but provides HTML output.
34 // So we'll use that to convert to HTML, then convert the HTML back to bbcode,
35 // and then clean up a few Diaspora specific constructs.
37 function diaspora2bb($s) {
39 $s = html_entity_decode($s, ENT_COMPAT, 'UTF-8');
41 // Handles single newlines
42 $s = str_replace("\r\n", "\n", $s);
43 $s = str_replace("\n", " \n", $s);
44 $s = str_replace("\r", " \n", $s);
46 // Replace lonely stars in lines not starting with it with literal stars
47 $s = preg_replace('/^([^\*]+)\*([^\*]*)$/im', '$1\*$2', $s);
49 // The parser cannot handle paragraphs correctly
50 $s = str_replace(array('</p>', '<p>', '<p dir="ltr">'), array('<br>', '<br>', '<br>'), $s);
52 // Escaping the hash tags
53 $s = preg_replace('/\#([^\s\#])/', '#$1', $s);
57 $regexp = "/@\{(?:([^\}]+?); )?([^\} ]+)\}/";
58 $s = preg_replace_callback($regexp, 'diaspora_mention2bb', $s);
60 $s = str_replace('#', '#', $s);
64 // protect the recycle symbol from turning into a tag, but without unescaping angles and naked ampersands
65 $s = str_replace('♲', html_entity_decode('♲', ENT_QUOTES, 'UTF-8'), $s);
67 // Convert everything that looks like a link to a link
68 $s = preg_replace('/([^\]=]|^)(https?\:\/\/)([a-zA-Z0-9:\/\-?&;.=_~#%$!+,@]+(?<!,))/ism', '$1[url=$2$3]$2$3[/url]', $s);
70 //$s = preg_replace("/([^\]\=]|^)(https?\:\/\/)(vimeo|youtu|www\.youtube|soundcloud)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3$4]$2$3$4[/url]',$s);
71 $s = bb_tag_preg_replace('/\[url\=?(.*?)\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/url\]/ism', '[youtube]$2[/youtube]', 'url', $s);
72 $s = bb_tag_preg_replace('/\[url\=https?:\/\/www.youtube.com\/watch\?v\=(.*?)\].*?\[\/url\]/ism' , '[youtube]$1[/youtube]', 'url', $s);
73 $s = bb_tag_preg_replace('/\[url\=?(.*?)\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/url\]/ism' , '[vimeo]$2[/vimeo]' , 'url', $s);
74 $s = bb_tag_preg_replace('/\[url\=https?:\/\/vimeo.com\/([0-9]+)\](.*?)\[\/url\]/ism' , '[vimeo]$1[/vimeo]' , 'url', $s);
76 // remove duplicate adjacent code tags
77 $s = preg_replace('/(\[code\])+(.*?)(\[\/code\])+/ism', '[code]$2[/code]', $s);
79 // Don't show link to full picture (until it is fixed)
80 $s = scale_external_images($s, false);
86 * @brief Callback function to replace a Friendica style mention in a mention for Diaspora
88 * @param array $match Matching values for the callback
89 * @return string Replaced mention
91 function diaspora_mentions($match) {
93 $contact = get_contact_details_by_url($match[3]);
95 if (!isset($contact['addr'])) {
96 $contact = Probe::uri($match[3]);
99 if (!isset($contact['addr'])) {
103 $mention = '@{'.$match[2].'; '.$contact['addr'].'}';
107 function bb2diaspora($Text,$preserve_nl = false, $fordiaspora = true) {
111 $OriginalText = $Text;
113 // Since Diaspora is creating a summary for links, this function removes them before posting
115 $Text = bb_remove_share_information($Text);
118 * Transform #tags, strip off the [url] and replace spaces with underscore
120 $URLSearchString = "^\[\]";
121 $Text = preg_replace_callback("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i", create_function('$match',
122 'return \'#\'. str_replace(\' \', \'_\', $match[2]);'
125 // Converting images with size parameters to simple images. Markdown doesn't know it.
126 $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $Text);
128 // Convert it to HTML - don't try oembed
130 $Text = bbcode($Text, $preserve_nl, false, 3);
132 // Add all tags that maybe were removed
133 if (preg_match_all("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",$OriginalText, $tags)) {
135 foreach($tags[2] as $tag) {
136 $tag = html_entity_decode($tag, ENT_QUOTES, 'UTF-8');
137 if (!strpos(html_entity_decode($Text, ENT_QUOTES, 'UTF-8'), "#".$tag))
138 $tagline .= "#".$tag." ";
140 $Text = $Text." ".$tagline;
144 $Text = bbcode($Text, $preserve_nl, false, 4);
146 // mask some special HTML chars from conversation to markdown
147 $Text = str_replace(array('<','>','&'),array('&_lt_;','&_gt_;','&_amp_;'),$Text);
149 // If a link is followed by a quote then there should be a newline before it
150 // Maybe we should make this newline at every time before a quote.
151 $Text = str_replace(array("</a><blockquote>"), array("</a><br><blockquote>"), $Text);
153 $stamp1 = microtime(true);
155 // Now convert HTML to Markdown
156 $Text = new HTML_To_Markdown($Text);
158 // unmask the special chars back to HTML
159 $Text = str_replace(array('&_lt_;','&_gt_;','&_amp_;'),array('<','>','&'),$Text);
161 $a->save_timestamp($stamp1, "parser");
163 // Libertree has a problem with escaped hashtags.
164 $Text = str_replace(array('\#'), array('#'), $Text);
166 // Remove any leading or trailing whitespace, as this will mess up
167 // the Diaspora signature verification and cause the item to disappear
171 $URLSearchString = "^\[\]";
172 $Text = preg_replace_callback("/([@]\[(.*?)\])\(([$URLSearchString]*?)\)/ism", 'diaspora_mentions', $Text);
175 call_hooks('bb2diaspora',$Text);
180 function unescape_underscores_in_links($m) {
181 $y = str_replace('\\_','_', $m[2]);
182 return('[' . $m[1] . '](' . $y . ')');
185 function format_event_diaspora($ev) {
187 if(! ((is_array($ev)) && count($ev)))
190 $bd_format = t('l F d, Y \@ g:i A') ; // Friday January 18, 2011 @ 8 AM
192 $o = 'Friendica event notification:' . "\n";
194 $o .= '**' . (($ev['summary']) ? bb2diaspora($ev['summary']) : bb2diaspora($ev['desc'])) . '**' . "\n";
196 $o .= t('Starts:') . ' ' . '['
197 . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
198 $ev['start'] , $bd_format ))
199 : day_translate(datetime_convert('UTC', 'UTC',
200 $ev['start'] , $bd_format)))
201 . '](' . App::get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['start'])) . ")\n";
203 if(! $ev['nofinish'])
204 $o .= t('Finishes:') . ' ' . '['
205 . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
206 $ev['finish'] , $bd_format ))
207 : day_translate(datetime_convert('UTC', 'UTC',
208 $ev['finish'] , $bd_format )))
209 . '](' . App::get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['finish'])) . ")\n";
211 if(strlen($ev['location']))
212 $o .= t('Location:') . bb2diaspora($ev['location'])