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 $match Matching values for the callback
14 * @return text Replaced mention
16 function diaspora_mention2bb($match) {
17 if ($match[2] == '') {
21 /// @todo Don't use probe
22 //$data = Probe::uri($match[2]);
23 $data = get_contact_details_by_addr($match[2]);
28 $name = $data['name'];
31 return '@[url='.$data['url'].']'.$name.'[/url]';
34 // we don't want to support a bbcode specific markdown interpreter
35 // and the markdown library we have is pretty good, but provides HTML output.
36 // So we'll use that to convert to HTML, then convert the HTML back to bbcode,
37 // and then clean up a few Diaspora specific constructs.
39 function diaspora2bb($s) {
41 $s = html_entity_decode($s, ENT_COMPAT, 'UTF-8');
43 // Handles single newlines
44 $s = str_replace("\r", '<br>', $s);
46 $s = str_replace("\n", " \n", $s);
48 // Replace lonely stars in lines not starting with it with literal stars
49 $s = preg_replace('/^([^\*]+)\*([^\*]*)$/im', '$1\*$2', $s);
51 // The parser cannot handle paragraphs correctly
52 $s = str_replace(array('</p>', '<p>', '<p dir="ltr">'), array('<br>', '<br>', '<br>'), $s);
54 // Escaping the hash tags
55 $s = preg_replace('/\#([^\s\#])/', '#$1', $s);
59 $regexp = "/@\{(?:([^\}]+?); )?([^\} ]+)\}/";
60 $s = preg_replace_callback($regexp, 'diaspora_mention2bb', $s);
62 $s = str_replace('#', '#', $s);
64 $search = array(" \n", "\n ");
65 $replace = array("\n", "\n");
68 $s = str_replace($search, $replace, $s);
69 } while ($oldtext != $s);
71 $s = str_replace("\n\n", '<br>', $s);
75 // protect the recycle symbol from turning into a tag, but without unescaping angles and naked ampersands
76 $s = str_replace('♲', html_entity_decode('♲', ENT_QUOTES, 'UTF-8'), $s);
78 // Convert everything that looks like a link to a link
79 $s = preg_replace('/([^\]=]|^)(https?\:\/\/)([a-zA-Z0-9:\/\-?&;.=_~#%$!+,@]+(?<!,))/ism', '$1[url=$2$3]$2$3[/url]', $s);
81 //$s = preg_replace("/([^\]\=]|^)(https?\:\/\/)(vimeo|youtu|www\.youtube|soundcloud)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3$4]$2$3$4[/url]',$s);
82 $s = bb_tag_preg_replace('/\[url\=?(.*?)\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/url\]/ism', '[youtube]$2[/youtube]', 'url', $s);
83 $s = bb_tag_preg_replace('/\[url\=https?:\/\/www.youtube.com\/watch\?v\=(.*?)\].*?\[\/url\]/ism' , '[youtube]$1[/youtube]', 'url', $s);
84 $s = bb_tag_preg_replace('/\[url\=?(.*?)\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/url\]/ism' , '[vimeo]$2[/vimeo]' , 'url', $s);
85 $s = bb_tag_preg_replace('/\[url\=https?:\/\/vimeo.com\/([0-9]+)\](.*?)\[\/url\]/ism' , '[vimeo]$1[/vimeo]' , 'url', $s);
87 // remove duplicate adjacent code tags
88 $s = preg_replace('/(\[code\])+(.*?)(\[\/code\])+/ism', '[code]$2[/code]', $s);
90 // Don't show link to full picture (until it is fixed)
91 $s = scale_external_images($s, false);
97 * @brief Callback function to replace a Friendica style mention in a mention for Diaspora
99 * @param array $match Matching values for the callback
100 * @return text Replaced mention
102 function diaspora_mentions($match) {
104 $contact = get_contact_details_by_url($match[3]);
106 if (!isset($contact['addr'])) {
107 $contact = Probe::uri($match[3]);
110 if (!isset($contact['addr'])) {
114 $mention = '@{'.$match[2].'; '.$contact['addr'].'}';
118 function bb2diaspora($Text,$preserve_nl = false, $fordiaspora = true) {
122 $OriginalText = $Text;
124 // Since Diaspora is creating a summary for links, this function removes them before posting
126 $Text = bb_remove_share_information($Text);
129 * Transform #tags, strip off the [url] and replace spaces with underscore
131 $URLSearchString = "^\[\]";
132 $Text = preg_replace_callback("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i", create_function('$match',
133 'return \'#\'. str_replace(\' \', \'_\', $match[2]);'
136 // Converting images with size parameters to simple images. Markdown doesn't know it.
137 $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $Text);
139 // Convert it to HTML - don't try oembed
141 $Text = bbcode($Text, $preserve_nl, false, 3);
143 // Add all tags that maybe were removed
144 if (preg_match_all("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",$OriginalText, $tags)) {
146 foreach($tags[2] as $tag) {
147 $tag = html_entity_decode($tag, ENT_QUOTES, 'UTF-8');
148 if (!strpos(html_entity_decode($Text, ENT_QUOTES, 'UTF-8'), "#".$tag))
149 $tagline .= "#".$tag." ";
151 $Text = $Text." ".$tagline;
155 $Text = bbcode($Text, $preserve_nl, false, 4);
157 // mask some special HTML chars from conversation to markdown
158 $Text = str_replace(array('<','>','&'),array('&_lt_;','&_gt_;','&_amp_;'),$Text);
160 // If a link is followed by a quote then there should be a newline before it
161 // Maybe we should make this newline at every time before a quote.
162 $Text = str_replace(array("</a><blockquote>"), array("</a><br><blockquote>"), $Text);
164 $stamp1 = microtime(true);
166 // Now convert HTML to Markdown
167 $Text = new HTML_To_Markdown($Text);
169 // unmask the special chars back to HTML
170 $Text = str_replace(array('&_lt_;','&_gt_;','&_amp_;'),array('<','>','&'),$Text);
172 $a->save_timestamp($stamp1, "parser");
174 // Libertree has a problem with escaped hashtags.
175 $Text = str_replace(array('\#'), array('#'), $Text);
177 // Remove any leading or trailing whitespace, as this will mess up
178 // the Diaspora signature verification and cause the item to disappear
182 $URLSearchString = "^\[\]";
183 $Text = preg_replace_callback("/([@]\[(.*?)\])\(([$URLSearchString]*?)\)/ism", 'diaspora_mentions', $Text);
186 call_hooks('bb2diaspora',$Text);
191 function unescape_underscores_in_links($m) {
192 $y = str_replace('\\_','_', $m[2]);
193 return('[' . $m[1] . '](' . $y . ')');
196 function format_event_diaspora($ev) {
198 if(! ((is_array($ev)) && count($ev)))
201 $bd_format = t('l F d, Y \@ g:i A') ; // Friday January 18, 2011 @ 8 AM
203 $o = 'Friendica event notification:' . "\n";
205 $o .= '**' . (($ev['summary']) ? bb2diaspora($ev['summary']) : bb2diaspora($ev['desc'])) . '**' . "\n";
207 $o .= t('Starts:') . ' ' . '['
208 . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
209 $ev['start'] , $bd_format ))
210 : day_translate(datetime_convert('UTC', 'UTC',
211 $ev['start'] , $bd_format)))
212 . '](' . App::get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['start'])) . ")\n";
214 if(! $ev['nofinish'])
215 $o .= t('Finishes:') . ' ' . '['
216 . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
217 $ev['finish'] , $bd_format ))
218 : day_translate(datetime_convert('UTC', 'UTC',
219 $ev['finish'] , $bd_format )))
220 . '](' . App::get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['finish'])) . ")\n";
222 if(strlen($ev['location']))
223 $o .= t('Location:') . bb2diaspora($ev['location'])