Merge pull request #82 from annando/master

New Twitter/Statusnet-shortening - cache improvements with "privacy_image_cache"
This commit is contained in:
friendica 2012-11-17 13:33:41 -08:00
commit ee0442e14b
3 changed files with 398 additions and 159 deletions

View File

@ -32,7 +32,21 @@ function privacy_image_cache_module() {}
function privacy_image_cache_init() { function privacy_image_cache_init() {
global $a; global $a, $_SERVER;
if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
header('HTTP/1.1 304 Not Modified');
header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
header('Etag: '.$_SERVER['HTTP_IF_NONE_MATCH']);
header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
header("Cache-Control: max-age=31536000");
if(function_exists('header_remove')) {
header_remove('Last-Modified');
header_remove('Expires');
header_remove('Cache-Control');
}
exit;
}
if ($a->config["system"]["db_log"] != "") if ($a->config["system"]["db_log"] != "")
$stamp1 = microtime(true); $stamp1 = microtime(true);
@ -46,17 +60,18 @@ function privacy_image_cache_init() {
// Double encoded url - happens with Diaspora // Double encoded url - happens with Diaspora
$urlhash2 = 'pic:' . sha1(urldecode($_REQUEST['url'])); $urlhash2 = 'pic:' . sha1(urldecode($_REQUEST['url']));
$cache = get_config('system','itemcache'); $cachefile = get_cachefile(hash("md5", $_REQUEST['url']));
if (($cache != '') and is_dir($cache)) { if ($cachefile != '') {
$cachefile = $cache."/".hash("md5", $_REQUEST['url']);
if (file_exists($cachefile)) { if (file_exists($cachefile)) {
$img_str = file_get_contents($cachefile); $img_str = file_get_contents($cachefile);
$mime = image_type_to_mime_type(exif_imagetype($cachefile)); $mime = image_type_to_mime_type(exif_imagetype($cachefile));
header("Content-type: $mime"); header("Content-type: $mime");
header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT"); header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
header("Cache-Control: max-age=" . (3600*24)); header('Etag: "'.md5($img_str).'"');
header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
header("Cache-Control: max-age=31536000");
echo $img_str; echo $img_str;
@ -79,14 +94,6 @@ function privacy_image_cache_init() {
$mime = $r[0]["desc"]; $mime = $r[0]["desc"];
if ($mime == "") $mime = "image/jpeg"; if ($mime == "") $mime = "image/jpeg";
// Test
//if ($mime == "image/jpeg") {
// $img = new Photo($img_str);
// if($img->is_valid()) {
// $img->scaleImage(1000);
// $img_str = $img->imageString();
// }
//}
} else { } else {
// It shouldn't happen but it does - spaces in URL // It shouldn't happen but it does - spaces in URL
$_REQUEST['url'] = str_replace(" ", "+", $_REQUEST['url']); $_REQUEST['url'] = str_replace(" ", "+", $_REQUEST['url']);
@ -102,6 +109,12 @@ function privacy_image_cache_init() {
if ((substr($a->get_curl_code(), 0, 1) == "4") or (!$img_str)) { if ((substr($a->get_curl_code(), 0, 1) == "4") or (!$img_str)) {
$img_str = file_get_contents("images/blank.png"); $img_str = file_get_contents("images/blank.png");
$mime = "image/png"; $mime = "image/png";
$cachefile = ""; // Clear the cachefile so that the dummy isn't stored
$img = new Photo($img_str);
if($img->is_valid()) {
$img->scaleImage(1);
$img_str = $img->imageString();
}
//} else if (substr($img_str, 0, 6) == "GIF89a") { //} else if (substr($img_str, 0, 6) == "GIF89a") {
} else if ($mime != "image/jpeg") { } else if ($mime != "image/jpeg") {
$image = @imagecreatefromstring($img_str); $image = @imagecreatefromstring($img_str);
@ -137,12 +150,15 @@ function privacy_image_cache_init() {
} }
// Writing in cachefile // Writing in cachefile
if (isset($cachefile) && ($cachefile != '') and (file_exists($cachefile)) and (exif_imagetype($cachefile) > 0)) // and (file_exists($cachefile)) and (exif_imagetype($cachefile) > 0))
if ($cachefile != '')
file_put_contents($cachefile, $img_str); file_put_contents($cachefile, $img_str);
header("Content-type: $mime"); header("Content-type: $mime");
header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT"); header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
header("Cache-Control: max-age=" . (3600*24)); header('Etag: "'.md5($img_str).'"');
header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
header("Cache-Control: max-age=31536000");
echo $img_str; echo $img_str;
@ -210,6 +226,8 @@ function privacy_image_cache_display_item_hook(&$a, &$o) {
$o["output"]["thumb"] = $a->get_baseurl() . "/privacy_image_cache/?url=" . escape_tags(addslashes(rawurlencode($o["output"]["thumb"]))); $o["output"]["thumb"] = $a->get_baseurl() . "/privacy_image_cache/?url=" . escape_tags(addslashes(rawurlencode($o["output"]["thumb"])));
if (isset($o["output"]["author-avatar"]) && !privacy_image_cache_is_local_image($o["output"]["author-avatar"])) if (isset($o["output"]["author-avatar"]) && !privacy_image_cache_is_local_image($o["output"]["author-avatar"]))
$o["output"]["author-avatar"] = $a->get_baseurl() . "/privacy_image_cache/?url=" . escape_tags(addslashes(rawurlencode($o["output"]["author-avatar"]))); $o["output"]["author-avatar"] = $a->get_baseurl() . "/privacy_image_cache/?url=" . escape_tags(addslashes(rawurlencode($o["output"]["author-avatar"])));
if (isset($o["output"]["owner-avatar"]) && !privacy_image_cache_is_local_image($o["output"]["owner-avatar"]))
$o["output"]["owner-avatar"] = $a->get_baseurl() . "/privacy_image_cache/?url=" . escape_tags(addslashes(rawurlencode($o["output"]["owner-avatar"])));
} }
} }

View File

@ -404,6 +404,110 @@ function short_link($url) {
return $slinky->short(); return $slinky->short();
} }; } };
function statusnet_shortenmsg($b, $max_char) {
require_once("include/bbcode.php");
require_once("include/html2plain.php");
// Looking for the first image
$image = '';
if(preg_match("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/is",$b['body'],$matches))
$image = $matches[3];
if ($image == '')
if(preg_match("/\[img\](.*?)\[\/img\]/is",$b['body'],$matches))
$image = $matches[1];
$multipleimages = (strpos($b['body'], "[img") != strrpos($b['body'], "[img"));
// When saved into the database the content is sent through htmlspecialchars
// That means that we have to decode all image-urls
$image = htmlspecialchars_decode($image);
$body = $b["body"];
if ($b["title"] != "")
$body = $b["title"]."\n\n".$body;
// remove the recycle signs and the names since they aren't helpful on twitter
// recycle 1
$recycle = html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8');
$body = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', "\n", $body);
// recycle 2 (Test)
$recycle = html_entity_decode("◌ ", ENT_QUOTES, 'UTF-8');
$body = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', "\n", $body);
// At first convert the text to html
$html = bbcode($body, false, false);
// Then convert it to plain text
//$msg = trim($b['title']." \n\n".html2plain($html, 0, true));
$msg = trim(html2plain($html, 0, true));
$msg = html_entity_decode($msg,ENT_QUOTES,'UTF-8');
// Removing multiple newlines
while (strpos($msg, "\n\n\n") !== false)
$msg = str_replace("\n\n\n", "\n\n", $msg);
// Removing multiple spaces
while (strpos($msg, " ") !== false)
$msg = str_replace(" ", " ", $msg);
// Removing URLs
$msg = preg_replace('/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/i', "", $msg);
$msg = trim($msg);
$link = '';
// look for bookmark-bbcode and handle it with priority
if(preg_match("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/is",$b['body'],$matches))
$link = $matches[1];
$multiplelinks = (strpos($b['body'], "[bookmark") != strrpos($b['body'], "[bookmark"));
// If there is no bookmark element then take the first link
if ($link == '') {
$links = collecturls($html);
if (sizeof($links) > 0) {
reset($links);
$link = current($links);
}
$multiplelinks = (sizeof($links) > 1);
}
$msglink = "";
if ($multiplelinks)
$msglink = $b["plink"];
else if ($link != "")
$msglink = $link;
else if ($multipleimages)
$msglink = $b["plink"];
else if ($image != "")
$msglink = $image;
if (($msglink == "") and strlen($msg) > $max_char)
$msglink = $b["plink"];
if (strlen($msglink) > 20)
$msglink = short_link($msglink);
if (strlen(trim($msg." ".$msglink)) > $max_char) {
$msg = substr($msg, 0, $max_char - (strlen($msglink)));
$lastchar = substr($msg, -1);
$msg = substr($msg, 0, -1);
$pos = strrpos($msg, "\n");
if ($pos > 0)
$msg = substr($msg, 0, $pos-1);
else if ($lastchar != "\n")
$msg = substr($msg, 0, -3)."...";
}
$msg = str_replace("\n", " ", $msg);
// Removing multiple spaces - again
while (strpos($msg, " ") !== false)
$msg = str_replace(" ", " ", $msg);
return(trim($msg." ".$msglink));
}
function statusnet_post_hook(&$a,&$b) { function statusnet_post_hook(&$a,&$b) {
/** /**
@ -433,78 +537,83 @@ function statusnet_post_hook(&$a,&$b) {
// we can later send to StatusNet. This way we can "gain" some // we can later send to StatusNet. This way we can "gain" some
// information during shortening of potential links but do not // information during shortening of potential links but do not
// shorten all the links in a 200000 character long essay. // shorten all the links in a 200000 character long essay.
if (! $b['title']=='') {
$tmp = $b['title'].": \n".$b['body'];
// $tmp = substr($tmp, 0, 4*$max_char);
} else {
$tmp = $b['body']; // substr($b['body'], 0, 3*$max_char);
}
// if [url=bla][img]blub.png[/img][/url] get blub.png
$tmp = preg_replace( '/\[url\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\]\[img\](\\w+.*?)\\[\\/img\]\\[\\/url\]/i', '$2', $tmp);
// preserve links to images, videos and audios
$tmp = preg_replace( '/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism', '$3', $tmp);
$tmp = preg_replace( '/\[\\/?img(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?video(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?youtube(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?vimeo(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?audio(\\s+.*?\]|\])/i', '', $tmp);
$linksenabled = get_pconfig($b['uid'],'statusnet','post_taglinks');
// if a #tag is linked, don't send the [url] over to SN
// that is, don't send if the option is not set in the
// connector settings
if ($linksenabled=='0') {
// #-tags
$tmp = preg_replace( '/#\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '#$2', $tmp);
// @-mentions
$tmp = preg_replace( '/@\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '@$2', $tmp);
// recycle 1
$recycle = html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8');
$tmp = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', $recycle.'$2', $tmp);
// recycle 2 (test)
$recycle = html_entity_decode("◌ ", ENT_QUOTES, 'UTF-8');
$tmp = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', $recycle.'$2', $tmp);
}
// preserve links to webpages
$tmp = preg_replace( '/\[url\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\](\w+.*?)\[\/url\]/i', '$2 $1', $tmp);
$tmp = preg_replace( '/\[bookmark\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\](\w+.*?)\[\/bookmark\]/i', '$2 $1', $tmp);
// find all http or https links in the body of the entry and
// apply the shortener if the link is longer then 20 characters
if (( strlen($tmp)>$max_char ) && ( $max_char > 0 )) {
preg_match_all ( '/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/i', $tmp, $allurls );
foreach ($allurls as $url) {
foreach ($url as $u) {
if (strlen($u)>20) {
$sl = short_link($u);
$tmp = str_replace( $u, $sl, $tmp );
}
}
}
}
// ok, all the links we want to send out are save, now strip
// away the remaining bbcode
//$msg = strip_tags(bbcode($tmp, false, false));
$msg = bbcode($tmp, false, false);
$msg = str_replace(array('<br>','<br />'),"\n",$msg);
$msg = strip_tags($msg);
// quotes not working - let's try this $intelligent_shortening = get_config('statusnet','intelligent_shortening');
$msg = html_entity_decode($msg); if (!$intelligent_shortening) {
if (! $b['title']=='') {
$tmp = $b['title'].": \n".$b['body'];
// $tmp = substr($tmp, 0, 4*$max_char);
} else {
$tmp = $b['body']; // substr($b['body'], 0, 3*$max_char);
}
// if [url=bla][img]blub.png[/img][/url] get blub.png
$tmp = preg_replace( '/\[url\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\]\[img\](\\w+.*?)\\[\\/img\]\\[\\/url\]/i', '$2', $tmp);
// preserve links to images, videos and audios
$tmp = preg_replace( '/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism', '$3', $tmp);
$tmp = preg_replace( '/\[\\/?img(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?video(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?youtube(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?vimeo(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?audio(\\s+.*?\]|\])/i', '', $tmp);
$linksenabled = get_pconfig($b['uid'],'statusnet','post_taglinks');
// if a #tag is linked, don't send the [url] over to SN
// that is, don't send if the option is not set in the
// connector settings
if ($linksenabled=='0') {
// #-tags
$tmp = preg_replace( '/#\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '#$2', $tmp);
// @-mentions
$tmp = preg_replace( '/@\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '@$2', $tmp);
// recycle 1
$recycle = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
$tmp = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', $recycle.'$2', $tmp);
// recycle 2 (test)
$recycle = html_entity_decode("&#x25CC; ", ENT_QUOTES, 'UTF-8');
$tmp = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', $recycle.'$2', $tmp);
}
// preserve links to webpages
$tmp = preg_replace( '/\[url\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\](\w+.*?)\[\/url\]/i', '$2 $1', $tmp);
$tmp = preg_replace( '/\[bookmark\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\](\w+.*?)\[\/bookmark\]/i', '$2 $1', $tmp);
// find all http or https links in the body of the entry and
// apply the shortener if the link is longer then 20 characters
if (( strlen($tmp)>$max_char ) && ( $max_char > 0 )) {
preg_match_all ( '/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/i', $tmp, $allurls );
foreach ($allurls as $url) {
foreach ($url as $u) {
if (strlen($u)>20) {
$sl = short_link($u);
$tmp = str_replace( $u, $sl, $tmp );
}
}
}
}
// ok, all the links we want to send out are save, now strip
// away the remaining bbcode
//$msg = strip_tags(bbcode($tmp, false, false));
$msg = bbcode($tmp, false, false);
$msg = str_replace(array('<br>','<br />'),"\n",$msg);
$msg = strip_tags($msg);
if (( strlen($msg) > $max_char) && $max_char > 0) { // quotes not working - let's try this
$shortlink = short_link( $b['plink'] ); $msg = html_entity_decode($msg);
// the new message will be shortened such that "... $shortlink"
// will fit into the character limit
$msg = nl2br(substr($msg, 0, $max_char-strlen($shortlink)-4));
$msg = str_replace(array('<br>','<br />'),' ',$msg);
$e = explode(' ', $msg);
// remove the last word from the cut down message to
// avoid sending cut words to the MicroBlog
array_pop($e);
$msg = implode(' ', $e);
$msg .= '... ' . $shortlink;
}
$msg = trim($msg); if (( strlen($msg) > $max_char) && $max_char > 0) {
$shortlink = short_link( $b['plink'] );
// the new message will be shortened such that "... $shortlink"
// will fit into the character limit
$msg = nl2br(substr($msg, 0, $max_char-strlen($shortlink)-4));
$msg = str_replace(array('<br>','<br />'),' ',$msg);
$e = explode(' ', $msg);
// remove the last word from the cut down message to
// avoid sending cut words to the MicroBlog
array_pop($e);
$msg = implode(' ', $e);
$msg .= '... ' . $shortlink;
}
$msg = trim($msg);
} else
$msg = statusnet_shortenmsg($b, $max_char);
// and now dent it :-) // and now dent it :-)
if(strlen($msg)) { if(strlen($msg)) {

View File

@ -261,6 +261,112 @@ function short_link ($url) {
return $slinky->short(); return $slinky->short();
} }; } };
function twitter_shortenmsg($b) {
require_once("include/bbcode.php");
require_once("include/html2plain.php");
$max_char = 140;
// Looking for the first image
$image = '';
if(preg_match("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/is",$b['body'],$matches))
$image = $matches[3];
if ($image == '')
if(preg_match("/\[img\](.*?)\[\/img\]/is",$b['body'],$matches))
$image = $matches[1];
$multipleimages = (strpos($b['body'], "[img") != strrpos($b['body'], "[img"));
// When saved into the database the content is sent through htmlspecialchars
// That means that we have to decode all image-urls
$image = htmlspecialchars_decode($image);
$body = $b["body"];
if ($b["title"] != "")
$body = $b["title"]."\n\n".$body;
// remove the recycle signs and the names since they aren't helpful on twitter
// recycle 1
$recycle = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
$body = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', "\n", $body);
// recycle 2 (Test)
$recycle = html_entity_decode("&#x25CC; ", ENT_QUOTES, 'UTF-8');
$body = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', "\n", $body);
// At first convert the text to html
$html = bbcode($body, false, false);
// Then convert it to plain text
//$msg = trim($b['title']." \n\n".html2plain($html, 0, true));
$msg = trim(html2plain($html, 0, true));
$msg = html_entity_decode($msg,ENT_QUOTES,'UTF-8');
// Removing multiple newlines
while (strpos($msg, "\n\n\n") !== false)
$msg = str_replace("\n\n\n", "\n\n", $msg);
// Removing multiple spaces
while (strpos($msg, " ") !== false)
$msg = str_replace(" ", " ", $msg);
// Removing URLs
$msg = preg_replace('/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/i', "", $msg);
$msg = trim($msg);
$link = '';
// look for bookmark-bbcode and handle it with priority
if(preg_match("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/is",$b['body'],$matches))
$link = $matches[1];
$multiplelinks = (strpos($b['body'], "[bookmark") != strrpos($b['body'], "[bookmark"));
// If there is no bookmark element then take the first link
if ($link == '') {
$links = collecturls($html);
if (sizeof($links) > 0) {
reset($links);
$link = current($links);
}
$multiplelinks = (sizeof($links) > 1);
}
$msglink = "";
if ($multiplelinks)
$msglink = $b["plink"];
else if ($link != "")
$msglink = $link;
else if ($multipleimages)
$msglink = $b["plink"];
else if ($image != "")
$msglink = $image;
if (($msglink == "") and strlen($msg) > $max_char)
$msglink = $b["plink"];
if (strlen($msglink) > 20)
$msglink = short_link($msglink);
if (strlen(trim($msg." ".$msglink)) > $max_char) {
$msg = substr($msg, 0, $max_char - (strlen($msglink)));
$lastchar = substr($msg, -1);
$msg = substr($msg, 0, -1);
$pos = strrpos($msg, "\n");
if ($pos > 0)
$msg = substr($msg, 0, $pos-1);
else if ($lastchar != "\n")
$msg = substr($msg, 0, -3)."...";
}
$msg = str_replace("\n", " ", $msg);
// Removing multiple spaces - again
while (strpos($msg, " ") !== false)
$msg = str_replace(" ", " ", $msg);
return(trim($msg." ".$msglink));
}
function twitter_post_hook(&$a,&$b) { function twitter_post_hook(&$a,&$b) {
/** /**
@ -294,81 +400,87 @@ function twitter_post_hook(&$a,&$b) {
$tweet = new TwitterOAuth($ckey,$csecret,$otoken,$osecret); $tweet = new TwitterOAuth($ckey,$csecret,$otoken,$osecret);
// in theory max char is 140 but T. uses t.co to make links // in theory max char is 140 but T. uses t.co to make links
// longer so we give them 10 characters extra // longer so we give them 10 characters extra
$max_char = 130; // max. length for a tweet
// we will only work with up to two times the length of the dent
// we can later send to Twitter. This way we can "gain" some
// information during shortening of potential links but do not
// shorten all the links in a 200000 character long essay.
if (! $b['title']=='') {
$tmp = $b['title'] . ' : '. $b['body'];
// $tmp = substr($tmp, 0, 4*$max_char);
} else {
$tmp = $b['body']; // substr($b['body'], 0, 3*$max_char);
}
// if [url=bla][img]blub.png[/img][/url] get blub.png
$tmp = preg_replace( '/\[url\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\]\[img\](\\w+.*?)\\[\\/img\]\\[\\/url\]/i', '$2', $tmp);
// preserve links to images, videos and audios
$tmp = preg_replace( '/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism', '$3', $tmp);
$tmp = preg_replace( '/\[\\/?img(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?video(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?youtube(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?vimeo(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?audio(\\s+.*?\]|\])/i', '', $tmp);
$linksenabled = get_pconfig($b['uid'],'twitter','post_taglinks');
// if a #tag is linked, don't send the [url] over to SN
// that is, don't send if the option is not set in the
// connector settings
if ($linksenabled=='0') {
// #-tags
$tmp = preg_replace( '/#\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '#$2', $tmp);
// @-mentions
$tmp = preg_replace( '/@\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '@$2', $tmp);
// recycle 1
$recycle = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
$tmp = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', $recycle.'$2', $tmp);
// recycle 2 (Test)
$recycle = html_entity_decode("&#x25CC; ", ENT_QUOTES, 'UTF-8');
$tmp = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', $recycle.'$2', $tmp);
}
$tmp = preg_replace( '/\[url\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\](\w+.*?)\[\/url\]/i', '$2 $1', $tmp);
$tmp = preg_replace( '/\[bookmark\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\](\w+.*?)\[\/bookmark\]/i', '$2 $1', $tmp);
// find all http or https links in the body of the entry and
// apply the shortener if the link is longer then 20 characters
if (( strlen($tmp)>$max_char ) && ( $max_char > 0 )) {
preg_match_all ( '/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/i', $tmp, $allurls );
foreach ($allurls as $url) {
foreach ($url as $u) {
if (strlen($u)>20) {
$sl = short_link($u);
$tmp = str_replace( $u, $sl, $tmp );
}
}
}
}
// ok, all the links we want to send out are save, now strip
// away the remaining bbcode
//$msg = strip_tags(bbcode($tmp, false, false));
$msg = bbcode($tmp, false, false);
$msg = str_replace(array('<br>','<br />'),"\n",$msg);
$msg = strip_tags($msg);
// quotes not working - let's try this $intelligent_shortening = get_config('twitter','intelligent_shortening');
$msg = html_entity_decode($msg);
if (( strlen($msg) > $max_char) && $max_char > 0) {
$shortlink = short_link( $b['plink'] );
// the new message will be shortened such that "... $shortlink"
// will fit into the character limit
$msg = nl2br(substr($msg, 0, $max_char-strlen($shortlink)-4));
$msg = str_replace(array('<br>','<br />'),' ',$msg);
$e = explode(' ', $msg);
// remove the last word from the cut down message to
// avoid sending cut words to the MicroBlog
array_pop($e);
$msg = implode(' ', $e);
$msg .= '... ' . $shortlink;
}
$msg = trim($msg); if (!$intelligent_shortening) {
$max_char = 130; // max. length for a tweet
// we will only work with up to two times the length of the dent
// we can later send to Twitter. This way we can "gain" some
// information during shortening of potential links but do not
// shorten all the links in a 200000 character long essay.
if (! $b['title']=='') {
$tmp = $b['title'] . ' : '. $b['body'];
// $tmp = substr($tmp, 0, 4*$max_char);
} else {
$tmp = $b['body']; // substr($b['body'], 0, 3*$max_char);
}
// if [url=bla][img]blub.png[/img][/url] get blub.png
$tmp = preg_replace( '/\[url\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\]\[img\](\\w+.*?)\\[\\/img\]\\[\\/url\]/i', '$2', $tmp);
// preserve links to images, videos and audios
$tmp = preg_replace( '/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism', '$3', $tmp);
$tmp = preg_replace( '/\[\\/?img(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?video(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?youtube(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?vimeo(\\s+.*?\]|\])/i', '', $tmp);
$tmp = preg_replace( '/\[\\/?audio(\\s+.*?\]|\])/i', '', $tmp);
$linksenabled = get_pconfig($b['uid'],'twitter','post_taglinks');
// if a #tag is linked, don't send the [url] over to SN
// that is, don't send if the option is not set in the
// connector settings
if ($linksenabled=='0') {
// #-tags
$tmp = preg_replace( '/#\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '#$2', $tmp);
// @-mentions
$tmp = preg_replace( '/@\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '@$2', $tmp);
// recycle 1
$recycle = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
$tmp = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', $recycle.'$2', $tmp);
// recycle 2 (Test)
$recycle = html_entity_decode("&#x25CC; ", ENT_QUOTES, 'UTF-8');
$tmp = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', $recycle.'$2', $tmp);
}
$tmp = preg_replace( '/\[url\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\](\w+.*?)\[\/url\]/i', '$2 $1', $tmp);
$tmp = preg_replace( '/\[bookmark\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\](\w+.*?)\[\/bookmark\]/i', '$2 $1', $tmp);
// find all http or https links in the body of the entry and
// apply the shortener if the link is longer then 20 characters
if (( strlen($tmp)>$max_char ) && ( $max_char > 0 )) {
preg_match_all ( '/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/i', $tmp, $allurls );
foreach ($allurls as $url) {
foreach ($url as $u) {
if (strlen($u)>20) {
$sl = short_link($u);
$tmp = str_replace( $u, $sl, $tmp );
}
}
}
}
// ok, all the links we want to send out are save, now strip
// away the remaining bbcode
//$msg = strip_tags(bbcode($tmp, false, false));
$msg = bbcode($tmp, false, false);
$msg = str_replace(array('<br>','<br />'),"\n",$msg);
$msg = strip_tags($msg);
// quotes not working - let's try this
$msg = html_entity_decode($msg);
if (( strlen($msg) > $max_char) && $max_char > 0) {
$shortlink = short_link( $b['plink'] );
// the new message will be shortened such that "... $shortlink"
// will fit into the character limit
$msg = nl2br(substr($msg, 0, $max_char-strlen($shortlink)-4));
$msg = str_replace(array('<br>','<br />'),' ',$msg);
$e = explode(' ', $msg);
// remove the last word from the cut down message to
// avoid sending cut words to the MicroBlog
array_pop($e);
$msg = implode(' ', $e);
$msg .= '... ' . $shortlink;
}
$msg = trim($msg);
} else
$msg = twitter_shortenmsg($b);
// and now tweet it :-) // and now tweet it :-)
if(strlen($msg)) { if(strlen($msg)) {