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'] . ']' . $name . '[/url]';
33 * we don't want to support a bbcode specific markdown interpreter
34 * and the markdown library we have is pretty good, but provides HTML output.
35 * So we'll use that to convert to HTML, then convert the HTML back to bbcode,
36 * and then clean up a few Diaspora specific constructs.
38 function diaspora2bb($s) {
40 $s = html_entity_decode($s, ENT_COMPAT, 'UTF-8');
42 // Handles single newlines
43 $s = str_replace("\r\n", "\n", $s);
44 $s = str_replace("\n", " \n", $s);
45 $s = str_replace("\r", " \n", $s);
47 // Replace lonely stars in lines not starting with it with literal stars
48 $s = preg_replace('/^([^\*]+)\*([^\*]*)$/im', '$1\*$2', $s);
50 // The parser cannot handle paragraphs correctly
51 $s = str_replace(array('</p>', '<p>', '<p dir="ltr">'), array('<br>', '<br>', '<br>'), $s);
53 // Escaping the hash tags
54 $s = preg_replace('/\#([^\s\#])/', '#$1', $s);
58 $regexp = "/@\{(?:([^\}]+?); )?([^\} ]+)\}/";
59 $s = preg_replace_callback($regexp, 'diaspora_mention2bb', $s);
61 $s = str_replace('#', '#', $s);
65 // protect the recycle symbol from turning into a tag, but without unescaping angles and naked ampersands
66 $s = str_replace('♲', html_entity_decode('♲', ENT_QUOTES, 'UTF-8'), $s);
68 // Convert everything that looks like a link to a link
69 $s = preg_replace('/([^\]=]|^)(https?\:\/\/)([a-zA-Z0-9:\/\-?&;.=_~#%$!+,@]+(?<!,))/ism', '$1[url=$2$3]$2$3[/url]', $s);
71 //$s = preg_replace("/([^\]\=]|^)(https?\:\/\/)(vimeo|youtu|www\.youtube|soundcloud)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3$4]$2$3$4[/url]',$s);
72 $s = bb_tag_preg_replace('/\[url\=?(.*?)\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/url\]/ism', '[youtube]$2[/youtube]', 'url', $s);
73 $s = bb_tag_preg_replace('/\[url\=https?:\/\/www.youtube.com\/watch\?v\=(.*?)\].*?\[\/url\]/ism' , '[youtube]$1[/youtube]', 'url', $s);
74 $s = bb_tag_preg_replace('/\[url\=?(.*?)\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/url\]/ism' , '[vimeo]$2[/vimeo]' , 'url', $s);
75 $s = bb_tag_preg_replace('/\[url\=https?:\/\/vimeo.com\/([0-9]+)\](.*?)\[\/url\]/ism' , '[vimeo]$1[/vimeo]' , 'url', $s);
77 // remove duplicate adjacent code tags
78 $s = preg_replace('/(\[code\])+(.*?)(\[\/code\])+/ism', '[code]$2[/code]', $s);
80 // Don't show link to full picture (until it is fixed)
81 $s = scale_external_images($s, false);
87 * @brief Callback function to replace a Friendica style mention in a mention for Diaspora
89 * @param array $match Matching values for the callback
90 * @return string Replaced mention
92 function diaspora_mentions($match) {
94 $contact = get_contact_details_by_url($match[3]);
96 if (!x($contact, 'addr')) {
97 $contact = Probe::uri($match[3]);
100 if (!x($contact, 'addr')) {
104 $mention = '@{' . $match[2] . '; ' . $contact['addr'] . '}';
108 function bb2diaspora($Text, $preserve_nl = false, $fordiaspora = true) {
112 $OriginalText = $Text;
114 // Since Diaspora is creating a summary for links, this function removes them before posting
116 $Text = bb_remove_share_information($Text);
120 * Transform #tags, strip off the [url] and replace spaces with underscore
122 $URLSearchString = "^\[\]";
123 $Text = preg_replace_callback("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i", create_function('$match',
124 'return \'#\'. str_replace(\' \', \'_\', $match[2]);'
127 // Converting images with size parameters to simple images. Markdown doesn't know it.
128 $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $Text);
130 // Convert it to HTML - don't try oembed
132 $Text = bbcode($Text, $preserve_nl, false, 3);
134 // Add all tags that maybe were removed
135 if (preg_match_all("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", $OriginalText, $tags)) {
137 foreach ($tags[2] as $tag) {
138 $tag = html_entity_decode($tag, ENT_QUOTES, 'UTF-8');
139 if (!strpos(html_entity_decode($Text, ENT_QUOTES, 'UTF-8'), "#" . $tag)) {
140 $tagline .= "#" . $tag . " ";
143 $Text = $Text." ".$tagline;
147 $Text = bbcode($Text, $preserve_nl, false, 4);
150 // mask some special HTML chars from conversation to markdown
151 $Text = str_replace(array('<','>','&'),array('&_lt_;','&_gt_;','&_amp_;'),$Text);
153 // If a link is followed by a quote then there should be a newline before it
154 // Maybe we should make this newline at every time before a quote.
155 $Text = str_replace(array("</a><blockquote>"), array("</a><br><blockquote>"), $Text);
157 $stamp1 = microtime(true);
159 // Now convert HTML to Markdown
160 $Text = new HTML_To_Markdown($Text);
162 // unmask the special chars back to HTML
163 $Text = str_replace(array('&_lt_;','&_gt_;','&_amp_;'),array('<','>','&'),$Text);
165 $a->save_timestamp($stamp1, "parser");
167 // Libertree has a problem with escaped hashtags.
168 $Text = str_replace(array('\#'), array('#'), $Text);
170 // Remove any leading or trailing whitespace, as this will mess up
171 // the Diaspora signature verification and cause the item to disappear
175 $URLSearchString = "^\[\]";
176 $Text = preg_replace_callback("/([@]\[(.*?)\])\(([$URLSearchString]*?)\)/ism", 'diaspora_mentions', $Text);
179 call_hooks('bb2diaspora',$Text);
184 function unescape_underscores_in_links($m) {
185 $y = str_replace('\\_','_', $m[2]);
186 return '[' . $m[1] . '](' . $y . ')';
189 function format_event_diaspora($ev) {
190 if (! ((is_array($ev)) && count($ev))) {
194 $bd_format = t('l F d, Y \@ g:i A') ; // Friday January 18, 2011 @ 8 AM
196 $o = 'Friendica event notification:' . "\n";
198 $o .= '**' . (($ev['summary']) ? bb2diaspora($ev['summary']) : bb2diaspora($ev['desc'])) . '**' . "\n";
200 $o .= t('Starts:') . ' ' . '['
201 . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
202 $ev['start'] , $bd_format ))
203 : day_translate(datetime_convert('UTC', 'UTC',
204 $ev['start'] , $bd_format)))
205 . '](' . App::get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['start'])) . ")\n";
207 if (! $ev['nofinish']) {
208 $o .= t('Finishes:') . ' ' . '['
209 . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
210 $ev['finish'] , $bd_format ))
211 : day_translate(datetime_convert('UTC', 'UTC',
212 $ev['finish'] , $bd_format )))
213 . '](' . App::get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['finish'])) . ")\n";
216 if (strlen($ev['location'])) {
217 $o .= t('Location:') . bb2diaspora($ev['location'])