<?php
-// Shaarli 0.0.32 beta - Shaare your links...
+// Shaarli 0.0.36 beta - Shaare your links...
// The personal, minimalist, super-fast, no-database delicious clone. By sebsauvage.net
// http://sebsauvage.net/wiki/doku.php?id=php:shaarli
// Licence: http://www.opensource.org/licenses/zlib-license.php
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
-define('shaarli_version','0.0.32 beta');
+define('shaarli_version','0.0.36 beta');
if (!is_dir($GLOBALS['config']['DATADIR'])) { mkdir($GLOBALS['config']['DATADIR'],0705); chmod($GLOBALS['config']['DATADIR'],0705); }
if (!is_file($GLOBALS['config']['DATADIR'].'/.htaccess')) { file_put_contents($GLOBALS['config']['DATADIR'].'/.htaccess',"Allow from none\nDeny from all\n"); } // Protect data files.
if ($GLOBALS['config']['ENABLE_LOCALCACHE'])
file_put_contents($GLOBALS['config']['DATADIR'].'/log.txt',$t,FILE_APPEND);
}
+// Same as nl2br(), but escapes < and >
+function nl2br_escaped($html)
+{
+ return str_replace('>','>',str_replace('<','<',nl2br($html)));
+}
+
/* Returns the small hash of a string
eg. smallHash('20111006_131924') --> yZH23w
Small hashes:
return $t;
}
+// In a string, converts urls to clickable links.
// Function inspired from http://www.php.net/manual/en/function.preg-replace.php#85722
function text2clickable($url)
{
$redir = empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector'];
- return preg_replace('!((
?:https?|ftp)://\S+[[:alnum:]]/?)!si','<a href="'.$redir.'$1" rel="nofollow">$1</a>',$url);
+ return preg_replace('!((
(?:https?|ftp|file)://|apt:)\S+[[:alnum:]]/?)!si','<a href="'.$redir.'$1" rel="nofollow">$1</a>',$url);
}
// This function inserts where relevant so that multiple spaces are properly displayed in HTML
// You can append $_SERVER['SCRIPT_NAME'] to get the current script URL.
function serverUrl()
{
- $serverport = ($_SERVER["SERVER_PORT"]=='80' || (!empty($_SERVER['HTTPS']) && $_SERVER["SERVER_PORT"]=='443') ? '' : ':'.$_SERVER["SERVER_PORT"]);
- return 'http'.(!empty($_SERVER['HTTPS'])?'s':'').'://'.$_SERVER["SERVER_NAME"].$serverport;
+ $https = (!empty($_SERVER['HTTPS']) && (strtolower($_SERVER['HTTPS'])=='on')) || $_SERVER["SERVER_PORT"]=='443'; // HTTPS detection.
+ $serverport = ($_SERVER["SERVER_PORT"]=='80' || ($https && $_SERVER["SERVER_PORT"]=='443') ? '' : ':'.$_SERVER["SERVER_PORT"]);
+ return 'http'.($https?'s':'').'://'.$_SERVER["SERVER_NAME"].$serverport;
}
+// Returns the absolute URL of current script.
function indexUrl()
{
- return serverUrl() . ($_SERVER["SCRIPT_NAME"] == '/index.php' ? '' : $_SERVER["SCRIPT_NAME"]);
+ return serverUrl() . ($_SERVER["SCRIPT_NAME"] == '/index.php' ? '/' : $_SERVER["SCRIPT_NAME"]);
}
// Convert post_max_size/upload_max_filesize (eg.'16M') parameters to bytes.
$this->tpl->assign('linkcount',count($LINKSDB));
$this->tpl->assign('feedurl',htmlspecialchars(indexUrl()));
$searchcrits=''; // Search criteria
- if (!empty($_GET['searchtags'])) $searchcrits.='&searchtags='.$_GET['searchtags'];
- elseif (!empty($_GET['searchterm'])) $searchcrits.='&searchterm='.$_GET['searchterm'];
+ if (!empty($_GET['searchtags'])) $searchcrits.='&searchtags='.urlencode($_GET['searchtags']);
+ elseif (!empty($_GET['searchterm'])) $searchcrits.='&searchterm='.urlencode($_GET['searchterm']);
$this->tpl->assign('searchcrits',$searchcrits);
$this->tpl->assign('source',indexUrl());
$this->tpl->assign('version',shaarli_version);
+ $this->tpl->assign('scripturl',indexUrl());
$this->tpl->assign('pagetitle','Shaarli');
if (!empty($GLOBALS['title'])) $this->tpl->assign('pagetitle',$GLOBALS['title']);
if (!empty($GLOBALS['pagetitle'])) $this->tpl->assign('pagetitle',$GLOBALS['pagetitle']);
echo $mylinks['20110826_161819']['title'];
foreach($mylinks as $link)
echo $link['title'].' at url '.$link['url'].' ; description:'.$link['description'];
+
+ Available keys:
+ title : Title of the link
+ url : URL of the link. Can be absolute or relative. Relative URLs are permalinks (eg.'?m-ukcw')
+ description : description of the entry
+ private : Is this link private ? 0=no, other value=yes
+ linkdate : date of the creation of this entry, in the form YYYYMMDD_HHMMSS (eg.'20110914_192317')
+ tags : tags attached to this entry (separated by spaces)
We implement 3 interfaces:
- ArrayAccess so that this object behaves like an associative array.
return $filtered;
}
+ // Filter by day. Day must be in the form 'YYYYMMDD' (eg. '20120125')
+ // Sort order is: older articles first.
+ // eg. print_r($mydb->filterDay('20120125'));
+ public function filterDay($day)
+ {
+ $filtered=array();
+ foreach($this->links as $l)
+ {
+ if (startsWith($l['linkdate'],$day)) $filtered[$l['linkdate']] = $l;
+ }
+ ksort($filtered);
+ return $filtered;
+ }
// Filter by smallHash.
// Only 1 article is returned.
public function filterSmallHash($smallHash)
if (startsWith($absurl,'?')) $absurl=$pageaddr.$absurl; // make permalink URL absolute
$entries.='<entry><title>'.htmlspecialchars($link['title']).'</title><link href="'.$absurl.'" /><id>'.$guid.'</id>';
if (!$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn()) $entries.='<updated>'.htmlspecialchars($iso8601date).'</updated>';
- $entries.='<summary>'.nl2br(keepMultipleSpaces(text2clickable(htmlspecialchars($link['description']))))."</summary>\n";
+ $entries.='<content type="html">'.htmlspecialchars(nl2br(keepMultipleSpaces(text2clickable(htmlspecialchars($link['description'])))))."</content>\n";
if ($link['tags']!='') // Adding tags to each ATOM entry (as mentioned in ATOM specification)
{
foreach(explode(' ',$link['tags']) as $tag)
$feed='<?xml version="1.0" encoding="UTF-8"?><feed xmlns="http://www.w3.org/2005/Atom">';
$feed.='<title>'.htmlspecialchars($GLOBALS['title']).'</title>';
if (!$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn()) $feed.='<updated>'.htmlspecialchars($latestDate).'</updated>';
- $feed.='<link rel="self" href="'.htmlspecialchars($pageaddr).'" />';
+ $feed.='<link rel="self" href="'.htmlspecialchars(serverUrl().$_SERVER["REQUEST_URI"]).'" />';
if (!empty($GLOBALS['config']['PUBSUBHUB_URL']))
{
$feed.='<!-- PubSubHubbub Discovery -->';
$feed.='<link rel="hub" href="'.htmlspecialchars($GLOBALS['config']['PUBSUBHUB_URL']).'" />';
$feed.='<!-- End Of PubSubHubbub Discovery -->';
}
- $feed.='<author><uri>'.htmlspecialchars($pageaddr).'</uri></author>';
+ $feed.='<author><name>'.htmlspecialchars($pageaddr).'</name><uri>'.htmlspecialchars($pageaddr).'</uri></author>';
$feed.='<id>'.htmlspecialchars($pageaddr).'</id>'."\n\n"; // Yes, I know I should use a real IRI (RFC3987), but the site URL will do.
$feed.=$entries;
$feed.='</feed>';
header('Location: '.(empty($_SERVER['HTTP_REFERER'])?'?':$_SERVER['HTTP_REFERER']));
exit;
}
-
+
+ // --------- Daily (all links form a specific day) ----------------------
+ if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=daily'))
+ {
+ $day=Date('Ymd',strtotime('-1 day')); // Yesterday, in format YYYYMMDD.
+ if (isset($_GET['day'])) $day=$_GET['day'];
+
+ $previousday = Date('Ymd',strtotime('-1 day',strtotime($day)));
+ $nextday = Date('Ymd',strtotime('+1 day',strtotime($day)));
+
+ $linksToDisplay=$LINKSDB->filterDay($day);
+ // We pre-format some fields for proper output.
+ foreach($linksToDisplay as $key=>$link)
+ {
+ $linksToDisplay[$key]['taglist']=explode(' ',$link['tags']);
+ $linksToDisplay[$key]['formatedDescription']=nl2br(keepMultipleSpaces(text2clickable(htmlspecialchars($link['description']))));
+ $linksToDisplay[$key]['thumbnail'] = thumbnail($link['url']);
+ }
+
+ /* We need to spread the articles on 3 columns.
+ I did not want to use a javascript lib like http://masonry.desandro.com/
+ so I manually spread entries with a simple method: I roughly evaluate the
+ height of a div according to title and description length.
+ */
+ $columns=array(array(),array(),array()); // Entries to display, for each column.
+ $fill=array(0,0,0); // Rough estimate of columns fill.
+ foreach($linksToDisplay as $key=>$link)
+ {
+ // Roughly estimate length of entry (by counting characters)
+ // Title: 30 chars = 1 line. 1 line is 30 pixels height.
+ // Description: 836 characters gives roughly 342 pixel height.
+ // This is not perfect, but it's usually ok.
+ $length=strlen($link['title'])+(342*strlen($link['description']))/836;
+ if ($link['thumbnail']) $length +=100; // 1 thumbnails roughly takes 100 pixels height.
+ // Then put in column which is the less filled:
+ $smallest=min($fill); // find smallest value in array.
+ $index=array_search($smallest,$fill); // find index of this smallest value.
+ array_push($columns[$index],$link); // Put entry in this column.
+ $fill[$index]+=$length;
+ }
+ $PAGE = new pageBuilder;
+ $PAGE->assign('linksToDisplay',$linksToDisplay);
+ $PAGE->assign('col1',$columns[0]);
+ $PAGE->assign('col2',$columns[1]);
+ $PAGE->assign('col3',$columns[2]);
+ $PAGE->assign('day',utf8_encode(strftime('%A %d, %B %Y',linkdate2timestamp($day.'_000000'))));
+ $PAGE->assign('previousday',$previousday);
+ $PAGE->assign('nextday',$nextday);
+ $PAGE->renderPage('daily');
+ exit;
+ }
// -------- Handle other actions allowed for non-logged in users:
if (!isLoggedIn())
// Understands various services (youtube.com...)
// Input: $url = url for which the thumbnail must be found.
// $href = if provided, this URL will be followed instead of $url
+// Returns '' if no thumbnail available.
function thumbnail($url,$href=false)
{
if (!$GLOBALS['config']['ENABLE_THUMBNAILS']) return '';
if ($domain=='youtube.com' || $domain=='www.youtube.com')
{
parse_str(parse_url($url,PHP_URL_QUERY), $params); // Extract video ID and get thumbnail
- if (!empty($params['v'])) return '<a href="'.htmlspecialchars($href).'"><img src="http://img.youtube.com/vi/'.htmlspecialchars($params['v']).'/default.jpg" width="120" height="90"></a>';
+ if (!empty($params['v'])) return '<a href="'.htmlspecialchars($href).'"><img src="http://img.youtube.com/vi/'.htmlspecialchars($params['v']).'/default.jpg" width="120" height="90" alt="YouTube thumbnail"></a>';
}
if ($domain=='youtu.be') // Youtube short links
{
$path = parse_url($url,PHP_URL_PATH);
- return '<a href="'.htmlspecialchars($href).'"><img src="http://img.youtube.com/vi'.htmlspecialchars($path).'/default.jpg" width="120" height="90"></a>';
+ return '<a href="'.htmlspecialchars($href).'"><img src="http://img.youtube.com/vi'.htmlspecialchars($path).'/default.jpg" width="120" height="90" alt="YouTube thumbnail"></a>';
}
+ if ($domain=='pix.toile-libre.org') // pix.toile-libre.org image hosting
+ {
+ parse_str(parse_url($url,PHP_URL_QUERY), $params); // Extract image filename.
+ if (!empty($params) && !empty($params['img'])) return '<a href="'.htmlspecialchars($href).'"><img src="http://pix.toile-libre.org/upload/thumb/'.urlencode($params['img']).'" style:"max-width:120px; max-height:150px" alt="pix.toile-libre.org thumbnail"></a>';
+ }
+
if ($domain=='imgur.com')
{
$path = parse_url($url,PHP_URL_PATH);
if (startsWith($path,'/a/')) return ''; // Thumbnails for albums are not available.
- if (startsWith($path,'/r/')) return '<a href="'.htmlspecialchars($href).'"><img src="http://i.imgur.com/'.htmlspecialchars(basename($path)).'s.jpg" width="90" height="90"></a>';
- if (startsWith($path,'/gallery/')) return '<a href="'.htmlspecialchars($href).'"><img src="http://i.imgur.com'.htmlspecialchars(substr($path,8)).'s.jpg" width="90" height="90"></a>';
- if (substr_count($path,'/')==1) return '<a href="'.htmlspecialchars($href).'"><img src="http://i.imgur.com/'.htmlspecialchars(substr($path,1)).'s.jpg" width="90" height="90"></a>';
+ if (startsWith($path,'/r/')) return '<a href="'.htmlspecialchars($href).'"><img src="http://i.imgur.com/'.htmlspecialchars(basename($path)).'s.jpg" width="90" height="90" alt="imgur.com thumbnail"></a>';
+ if (startsWith($path,'/gallery/')) return '<a href="'.htmlspecialchars($href).'"><img src="http://i.imgur.com'.htmlspecialchars(substr($path,8)).'s.jpg" width="90" height="90" alt="imgur.com thumbnail"></a>';
+ if (substr_count($path,'/')==1) return '<a href="'.htmlspecialchars($href).'"><img src="http://i.imgur.com/'.htmlspecialchars(substr($path,1)).'s.jpg" width="90" height="90" alt="imgur.com thumbnail"></a>';
}
if ($domain=='i.imgur.com')
{
$pi = pathinfo(parse_url($url,PHP_URL_PATH));
- if (!empty($pi['filename'])) return '<a href="'.htmlspecialchars($href).'"><img src="http://i.imgur.com/'.htmlspecialchars($pi['filename']).'s.jpg" width="90" height="90"></a>';
+ if (!empty($pi['filename'])) return '<a href="'.htmlspecialchars($href).'"><img src="http://i.imgur.com/'.htmlspecialchars($pi['filename']).'s.jpg" width="90" height="90" alt="imgur.com thumbnail"></a>';
}
if ($domain=='dailymotion.com' || $domain=='www.dailymotion.com')
{
if (strpos($url,'dailymotion.com/video/')!==false)
{
$thumburl=str_replace('dailymotion.com/video/','dailymotion.com/thumbnail/video/',$url);
- return '<a href="'.htmlspecialchars($href).'"><img src="'.htmlspecialchars($thumburl).'" width="120" style="height:auto;"></a>';
+ return '<a href="'.htmlspecialchars($href).'"><img src="'.htmlspecialchars($thumburl).'" width="120" style="height:auto;" alt="DailyMotion thumbnail"></a>';
}
}
if (endsWith($domain,'.imageshack.us'))
if ($ext=='jpg' || $ext=='jpeg' || $ext=='png' || $ext=='gif')
{
$thumburl = substr($url,0,strlen($url)-strlen($ext)).'th.'.$ext;
- return '<a href="'.htmlspecialchars($href).'"><img src="'.htmlspecialchars($thumburl).'" width="120" style="height:auto;"></a>';
+ return '<a href="'.htmlspecialchars($href).'"><img src="'.htmlspecialchars($thumburl).'" width="120" style="height:auto;" alt="imageshack.us thumbnail"></a>';
}
}
if ($domain=='flickr.com' || endsWith($domain,'.flickr.com')
|| $domain=='vimeo.com'
|| $domain=='ted.com' || endsWith($domain,'.ted.com')
+ || $domain=='xkcd.com' || endsWith($domain,'.xkcd.com')
)
{
if ($domain=='vimeo.com')
$path = parse_url($url,PHP_URL_PATH);
if (!preg_match('!/\d+.+?!',$path)) return ''; // This is not a single video URL.
}
+ if ($domain=='xkcd.com' || endsWith($domain,'.xkcd.com'))
+ { // Make sure this url points to a single comic (/xxx... where xxx is numeric)
+ $path = parse_url($url,PHP_URL_PATH);
+ if (!preg_match('!/\d+.+?!',$path)) return '';
+ }
if ($domain=='ted.com' || endsWith($domain,'.ted.com'))
{ // Make sure this TED url points to a video (/talks/...)
$path = parse_url($url,PHP_URL_PATH);
if ("/talks/" !== substr($path,0,7)) return ''; // This is not a single video URL.
}
$sign = hash_hmac('sha256', $url, $GLOBALS['salt']); // We use the salt to sign data (it's random, secret, and specific to each installation)
- return '<a href="'.htmlspecialchars($href).'"><img src="?do=genthumbnail&hmac='.htmlspecialchars($sign).'&url='.urlencode($url).'" width="120" style="height:auto;"></a>';
+ return '<a href="'.htmlspecialchars($href).'"><img src="?do=genthumbnail&hmac='.htmlspecialchars($sign).'&url='.urlencode($url).'" width="120" style="height:auto;" alt="thumbnail"></a>';
}
// For all other, we try to make a thumbnail of links ending with .jpg/jpeg/png/gif
}
}
}
+
+ elseif ($domain=='xkcd.com' || endsWith($domain,'.xkcd.com'))
+ {
+ // There is no thumbnail available for xkcd comics, so download the whole image and resize it.
+ // http://xkcd.com/327/
+ // <img src="http://imgs.xkcd.com/comics/exploits_of_a_mom.png" title="<BLABLA>" alt="<BLABLA>" />
+ list($httpstatus,$headers,$data) = getHTTP($url,5);
+ if (strpos($httpstatus,'200 OK')!==false)
+ {
+ // Extract the link to the thumbnail
+ preg_match('!<img src="(http://imgs.xkcd.com/comics/.*)" title="[^s]!',$data,$matches);
+ if (!empty($matches[1]))
+ { // Let's download the image.
+ $imageurl=$matches[1];
+ list($httpstatus,$headers,$data) = getHTTP($imageurl,20); // No control on image size, so wait long enough.
+ if (strpos($httpstatus,'200 OK')!==false)
+ {
+ $filepath=$GLOBALS['config']['CACHEDIR'].'/'.$thumbname;
+ file_put_contents($filepath,$data); // Save image to cache.
+ if (resizeImage($filepath))
+ {
+ header('Content-Type: image/jpeg');
+ echo file_get_contents($filepath);
+ return;
+ }
+ }
+ }
+ }
+ }
else
{
projects / github / shaarli / Shaarli.git / blobdiff