<?php
/**
- * Shaarli v0.6.0 - Shaare your links...
+ * Shaarli v0.6.2 - Shaare your links...
*
* The personal, minimalist, super-fast, no-database Delicious clone.
*
$GLOBALS['config']['ENABLE_LOCALCACHE'] = true;
// Update check frequency for Shaarli. 86400 seconds=24 hours
-$GLOBALS['config']['UPDATECHECK_INTERVAL'] = 86400 ;
+$GLOBALS['config']['UPDATECHECK_BRANCH'] = 'stable';
+$GLOBALS['config']['UPDATECHECK_INTERVAL'] = 86400;
/*
/*
* PHP configuration
*/
-define('shaarli_version', '0.6.0');
+define('shaarli_version', '0.6.2');
// http://server.com/x/shaarli --> /shaarli/
define('WEB_PATH', substr($_SERVER["REQUEST_URI"], 0, 1+strrpos($_SERVER["REQUEST_URI"], '/', 0)));
require_once 'application/FileUtils.php';
require_once 'application/HttpUtils.php';
require_once 'application/LinkDB.php';
+require_once 'application/LinkFilter.php';
+require_once 'application/LinkUtils.php';
require_once 'application/TimeZone.php';
require_once 'application/Url.php';
require_once 'application/Utils.php';
// Ensure the PHP version is supported
try {
- checkPHPVersion('5.3', PHP_VERSION);
+ ApplicationUtils::checkPHPVersion('5.3', PHP_VERSION);
} catch(Exception $exc) {
header('Content-Type: text/plain; charset=utf-8');
echo $exc->getMessage();
}
$userIsLoggedIn = setup_login_state();
-// Checks if an update is available for Shaarli.
-// (at most once a day, and only for registered user.)
-// Output: '' = no new version.
-// other= the available version.
-function checkUpdate()
-{
- if (!isLoggedIn()) return ''; // Do not check versions for visitors.
- if (empty($GLOBALS['config']['ENABLE_UPDATECHECK'])) return ''; // Do not check if the user doesn't want to.
-
- // Get latest version number at most once a day.
- if (!is_file($GLOBALS['config']['UPDATECHECK_FILENAME']) || (filemtime($GLOBALS['config']['UPDATECHECK_FILENAME'])<time()-($GLOBALS['config']['UPDATECHECK_INTERVAL'])))
- {
- $version = shaarli_version;
- list($headers, $data) = get_http_url('https://raw.githubusercontent.com/shaarli/Shaarli/master/shaarli_version.php', 2);
- if (strpos($headers[0], '200 OK') !== false) {
- $version = str_replace(' */ ?>', '', str_replace('<?php /* ', '', $data));
- }
- // If failed, never mind. We don't want to bother the user with that.
- file_put_contents($GLOBALS['config']['UPDATECHECK_FILENAME'],$version); // touch file date
- }
- // Compare versions:
- $newestversion=file_get_contents($GLOBALS['config']['UPDATECHECK_FILENAME']);
- if (version_compare($newestversion,shaarli_version)==1) return $newestversion;
- return '';
-}
-
-// -----------------------------------------------------------------------------------------------
-// Log to text file
-function logm($message)
-{
- $t = strval(date('Y/m/d_H:i:s')).' - '.$_SERVER["REMOTE_ADDR"].' - '.strval($message)."\n";
- file_put_contents($GLOBAL['config']['LOG_FILE'], $t, FILE_APPEND);
-}
-
-// In a string, converts URLs to clickable links.
-// Function inspired from http://www.php.net/manual/en/function.preg-replace.php#85722
-function text2clickable($url)
-{
- $redir = empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector'];
- return preg_replace('!(((?:https?|ftp|file)://|apt:|magnet:)\S+[[:alnum:]]/?)!si','<a href="'.$redir.'$1" rel="nofollow">$1</a>',$url);
-}
-
-// This function inserts where relevant so that multiple spaces are properly displayed in HTML
-// even in the absence of <pre> (This is used in description to keep text formatting)
-function keepMultipleSpaces($text)
-{
- return str_replace(' ',' ',$text);
-
-}
// ------------------------------------------------------------------------------------------
// Sniff browser language to display dates in the right format automatically.
// (Note that is may not work on your server if the corresponding local is not installed.)
if ($login==$GLOBALS['login'] && $hash==$GLOBALS['hash'])
{ // Login/password is correct.
fillSessionInfo();
- logm('Login successful');
+ logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'Login successful');
return True;
}
- logm('Login failed for user '.$login);
+ logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'Login failed for user '.$login);
return False;
}
if ($gb['FAILURES'][$ip]>($GLOBALS['config']['BAN_AFTER']-1))
{
$gb['BANS'][$ip]=time()+$GLOBALS['config']['BAN_DURATION'];
- logm('IP address banned from login');
+ logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'IP address banned from login');
}
$GLOBALS['IPBANS'] = $gb;
file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], "<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>");
// User is banned. Check if the ban has expired:
if ($gb['BANS'][$ip]<=time())
{ // Ban expired, user can try to login again.
- logm('Ban lifted.');
+ logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], 'Ban lifted.');
unset($gb['FAILURES'][$ip]); unset($gb['BANS'][$ip]);
file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], "<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>");
return true; // Ban has expired, user can login.
session_set_cookie_params(0,$cookiedir,$_SERVER['SERVER_NAME']); // 0 means "When browser closes"
session_regenerate_id(true);
}
-
+
// Optional redirect after login:
if (isset($_GET['post'])) {
$uri = '?post='. urlencode($_GET['post']);
return date('c',linkdate2timestamp($linkdate)); // 'c' is for ISO 8601 date format.
}
-// Extract title from an HTML document.
-// (Returns an empty string if not found.)
-function html_extract_title($html)
-{
- return preg_match('!<title>(.*?)</title>!is', $html, $matches) ? trim(str_replace("\n",' ', $matches[1])) : '' ;
-}
-
// ------------------------------------------------------------------------------------------
// Token management for XSRF protection
// Token should be used in any form which acts on data (create,update,delete,import...).
private function initialize()
{
$this->tpl = new RainTPL;
- $this->tpl->assign('newversion', escape(checkUpdate()));
+
+ try {
+ $version = ApplicationUtils::checkUpdate(
+ shaarli_version,
+ $GLOBALS['config']['UPDATECHECK_FILENAME'],
+ $GLOBALS['config']['UPDATECHECK_INTERVAL'],
+ $GLOBALS['config']['ENABLE_UPDATECHECK'],
+ isLoggedIn(),
+ $GLOBALS['config']['UPDATECHECK_BRANCH']
+ );
+ $this->tpl->assign('newVersion', escape($version));
+ $this->tpl->assign('versionError', '');
+
+ } catch (Exception $exc) {
+ logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], $exc->getMessage());
+ $this->tpl->assign('newVersion', '');
+ $this->tpl->assign('versionError', escape($exc->getMessage()));
+ }
+
$this->tpl->assign('feedurl', escape(index_url($_SERVER)));
$searchcrits = ''; // Search criteria
if (!empty($_GET['searchtags'])) {
if ($this->tpl===false) $this->initialize(); // Lazy initialization
$this->tpl->draw($page);
}
+
+ /**
+ * Render a 404 page (uses the template : tpl/404.tpl)
+ *
+ * usage : $PAGE->render404('The link was deleted')
+ * @param string $message A messate to display what is not found
+ */
+ public function render404($message='The page you are trying to reach does not exist or has been deleted.') {
+ header($_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found');
+ $this->tpl->assign('error_message', $message);
+ $this->renderPage('404');
+ }
}
// ------------------------------------------------------------------------------------------
$LINKSDB = new LinkDB(
$GLOBALS['config']['DATASTORE'],
isLoggedIn(),
- $GLOBALS['config']['HIDE_PUBLIC_LINKS']
+ $GLOBALS['config']['HIDE_PUBLIC_LINKS'],
+ $GLOBALS['redirector']
);
// Read links from database (and filter private links if user it not logged in).
// Optionally filter the results:
- $linksToDisplay=array();
- if (!empty($_GET['searchterm'])) $linksToDisplay = $LINKSDB->filterFulltext($_GET['searchterm']);
- else if (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags']));
- else $linksToDisplay = $LINKSDB;
+ if (!empty($_GET['searchterm'])) {
+ $linksToDisplay = $LINKSDB->filter(LinkFilter::$FILTER_TEXT, $_GET['searchterm']);
+ }
+ elseif (!empty($_GET['searchtags'])) {
+ $linksToDisplay = $LINKSDB->filter(LinkFilter::$FILTER_TAG, trim($_GET['searchtags']));
+ }
+ else {
+ $linksToDisplay = $LINKSDB;
+ }
$nblinksToDisplay = 50; // Number of links to display.
- if (!empty($_GET['nb'])) // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
- {
- $nblinksToDisplay = $_GET['nb']=='all' ? count($linksToDisplay) : max($_GET['nb']+0,1) ;
+ // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
+ if (!empty($_GET['nb'])) {
+ $nblinksToDisplay = $_GET['nb'] == 'all' ? count($linksToDisplay) : max(intval($_GET['nb']), 1);
}
- $pageaddr=escape(index_url($_SERVER));
+ $pageaddr = escape(index_url($_SERVER));
echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">';
echo '<channel><title>'.$GLOBALS['title'].'</title><link>'.$pageaddr.'</link>';
echo '<description>Shared links</description><language>en-en</language><copyright>'.$pageaddr.'</copyright>'."\n\n";
// If user wants permalinks first, put the final link in description
if ($usepermalinks===true) $descriptionlink = '(<a href="'.$absurl.'">Link</a>)';
if (strlen($link['description'])>0) $descriptionlink = '<br>'.$descriptionlink;
- echo '<description><![CDATA['.nl2br(keepMultipleSpaces(text2clickable($link['description']))).$descriptionlink.']]></description>'."\n</item>\n";
+ echo '<description><![CDATA['.
+ format_description($link['description'], $GLOBALS['redirector']) .
+ $descriptionlink . ']]></description>' . "\n</item>\n";
$i++;
}
echo '</channel></rss><!-- Cached version of '.escape(page_url($_SERVER)).' -->';
$LINKSDB = new LinkDB(
$GLOBALS['config']['DATASTORE'],
isLoggedIn(),
- $GLOBALS['config']['HIDE_PUBLIC_LINKS']
+ $GLOBALS['config']['HIDE_PUBLIC_LINKS'],
+ $GLOBALS['redirector']
);
// Optionally filter the results:
- $linksToDisplay=array();
- if (!empty($_GET['searchterm'])) $linksToDisplay = $LINKSDB->filterFulltext($_GET['searchterm']);
- else if (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags']));
- else $linksToDisplay = $LINKSDB;
+ if (!empty($_GET['searchterm'])) {
+ $linksToDisplay = $LINKSDB->filter(LinkFilter::$FILTER_TEXT, $_GET['searchterm']);
+ }
+ else if (!empty($_GET['searchtags'])) {
+ $linksToDisplay = $LINKSDB->filter(LinkFilter::$FILTER_TAG, trim($_GET['searchtags']));
+ }
+ else {
+ $linksToDisplay = $LINKSDB;
+ }
$nblinksToDisplay = 50; // Number of links to display.
- if (!empty($_GET['nb'])) // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
- {
- $nblinksToDisplay = $_GET['nb']=='all' ? count($linksToDisplay) : max($_GET['nb']+0,1) ;
+ // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
+ if (!empty($_GET['nb'])) {
+ $nblinksToDisplay = $_GET['nb']=='all' ? count($linksToDisplay) : max(intval($_GET['nb']), 1);
}
$pageaddr=escape(index_url($_SERVER));
if ($usepermalinks===true) $descriptionlink = '(<a href="'.$absurl.'">Link</a>)';
if (strlen($link['description'])>0) $descriptionlink = '<br>'.$descriptionlink;
- $entries.='<content type="html"><![CDATA['.nl2br(keepMultipleSpaces(text2clickable($link['description']))).$descriptionlink."]]></content>\n";
+ $entries .= '<content type="html"><![CDATA['.
+ format_description($link['description'], $GLOBALS['redirector']) .
+ $descriptionlink . "]]></content>\n";
if ($link['tags']!='') // Adding tags to each ATOM entry (as mentioned in ATOM specification)
{
foreach(explode(' ',$link['tags']) as $tag)
$LINKSDB = new LinkDB(
$GLOBALS['config']['DATASTORE'],
isLoggedIn(),
- $GLOBALS['config']['HIDE_PUBLIC_LINKS']
+ $GLOBALS['config']['HIDE_PUBLIC_LINKS'],
+ $GLOBALS['redirector']
);
/* Some Shaarlies may have very few links, so we need to look
// We pre-format some fields for proper output.
foreach ($linkdates as $linkdate) {
$l = $LINKSDB[$linkdate];
- $l['formatedDescription'] = nl2br(keepMultipleSpaces(text2clickable($l['description'])));
+ $l['formatedDescription'] = format_description($l['description'], $GLOBALS['redirector']);
$l['thumbnail'] = thumbnail($l['url']);
$l['timestamp'] = linkdate2timestamp($l['linkdate']);
if (startsWith($l['url'], '?')) {
exit;
}
-// "Daily" page.
-function showDaily()
+/**
+ * Show the 'Daily' page.
+ *
+ * @param PageBuilder $pageBuilder Template engine wrapper.
+ */
+function showDaily($pageBuilder)
{
$LINKSDB = new LinkDB(
$GLOBALS['config']['DATASTORE'],
isLoggedIn(),
- $GLOBALS['config']['HIDE_PUBLIC_LINKS']
+ $GLOBALS['config']['HIDE_PUBLIC_LINKS'],
+ $GLOBALS['redirector']
);
$day=Date('Ymd',strtotime('-1 day')); // Yesterday, in format YYYYMMDD.
}
try {
- $linksToDisplay = $LINKSDB->filterDay($day);
+ $linksToDisplay = $LINKSDB->filter(LinkFilter::$FILTER_DAY, $day);
} catch (Exception $exc) {
error_log($exc);
$linksToDisplay = array();
$taglist = explode(' ',$link['tags']);
uasort($taglist, 'strcasecmp');
$linksToDisplay[$key]['taglist']=$taglist;
- $linksToDisplay[$key]['formatedDescription']=nl2br(keepMultipleSpaces(text2clickable($link['description'])));
+ $linksToDisplay[$key]['formatedDescription'] = format_description($link['description'], $GLOBALS['redirector']);
$linksToDisplay[$key]['thumbnail'] = thumbnail($link['url']);
$linksToDisplay[$key]['timestamp'] = linkdate2timestamp($link['linkdate']);
}
array_push($columns[$index],$link); // Put entry in this column.
$fill[$index]+=$length;
}
- $PAGE = new pageBuilder;
+
$data = array(
'linksToDisplay' => $linksToDisplay,
'linkcount' => count($LINKSDB),
$pluginManager->executeHooks('render_daily', $data, array('loggedin' => isLoggedIn()));
foreach ($data as $key => $value) {
- $PAGE->assign($key, $value);
+ $pageBuilder->assign($key, $value);
}
- $PAGE->renderPage('daily');
+ $pageBuilder->renderPage('daily');
exit;
}
$LINKSDB = new LinkDB(
$GLOBALS['config']['DATASTORE'],
isLoggedIn(),
- $GLOBALS['config']['HIDE_PUBLIC_LINKS']
+ $GLOBALS['config']['HIDE_PUBLIC_LINKS'],
+ $GLOBALS['redirector']
);
$PAGE = new pageBuilder;
if ($targetPage == Router::$PAGE_PICWALL)
{
// Optionally filter the results:
- $links=array();
- if (!empty($_GET['searchterm'])) $links = $LINKSDB->filterFulltext($_GET['searchterm']);
- elseif (!empty($_GET['searchtags'])) $links = $LINKSDB->filterTags(trim($_GET['searchtags']));
- else $links = $LINKSDB;
+ if (!empty($_GET['searchterm'])) {
+ $links = $LINKSDB->filter(LinkFilter::$FILTER_TEXT, $_GET['searchterm']);
+ }
+ elseif (! empty($_GET['searchtags'])) {
+ $links = $LINKSDB->filter(LinkFilter::$FILTER_TAG, trim($_GET['searchtags']));
+ }
+ else {
+ $links = $LINKSDB;
+ }
- $body='';
- $linksToDisplay=array();
+ $linksToDisplay = array();
// Get only links which have a thumbnail.
foreach($links as $link)
exit;
}
+ // Daily page.
+ if ($targetPage == Router::$PAGE_DAILY) {
+ showDaily($PAGE);
+ }
+
// Display openseach plugin (XML)
if ($targetPage == Router::$PAGE_OPENSEARCH) {
header('Content-Type: application/xml; charset=utf-8');
}
if (isset($params['searchtags'])) {
- $tags = explode(' ',$params['searchtags']);
- $tags=array_diff($tags, array($_GET['removetag'])); // Remove value from array $tags.
- if (count($tags)==0) {
+ $tags = explode(' ', $params['searchtags']);
+ // Remove value from array $tags.
+ $tags = array_diff($tags, array($_GET['removetag']));
+ $params['searchtags'] = implode(' ',$tags);
+
+ if (empty($params['searchtags'])) {
unset($params['searchtags']);
- } else {
- $params['searchtags'] = implode(' ',$tags);
}
+
unset($params['page']); // We also remove page (keeping the same page has no sense, since the results are different)
}
header('Location: ?'.http_build_query($params));
// -------- User wants to rename a tag or delete it
if ($targetPage == Router::$PAGE_CHANGETAG)
{
- if (empty($_POST['fromtag']))
- {
- $PAGE->assign('linkcount',count($LINKSDB));
- $PAGE->assign('token',getToken());
+ if (empty($_POST['fromtag']) || (empty($_POST['totag']) && isset($_POST['renametag']))) {
+ $PAGE->assign('linkcount', count($LINKSDB));
+ $PAGE->assign('token', getToken());
$PAGE->assign('tags', $LINKSDB->allTags());
$PAGE->renderPage('changetag');
exit;
}
- if (!tokenOk($_POST['token'])) die('Wrong token.');
+
+ if (!tokenOk($_POST['token'])) {
+ die('Wrong token.');
+ }
// Delete a tag:
- if (!empty($_POST['deletetag']) && !empty($_POST['fromtag']))
- {
+ if (isset($_POST['deletetag']) && !empty($_POST['fromtag'])) {
$needle=trim($_POST['fromtag']);
- $linksToAlter = $LINKSDB->filterTags($needle,true); // True for case-sensitive tag search.
+ // True for case-sensitive tag search.
+ $linksToAlter = $LINKSDB->filter(LinkFilter::$FILTER_TAG, $needle, true);
foreach($linksToAlter as $key=>$value)
{
$tags = explode(' ',trim($value['tags']));
}
// Rename a tag:
- if (!empty($_POST['renametag']) && !empty($_POST['fromtag']) && !empty($_POST['totag']))
- {
+ if (isset($_POST['renametag']) && !empty($_POST['fromtag']) && !empty($_POST['totag'])) {
$needle=trim($_POST['fromtag']);
- $linksToAlter = $LINKSDB->filterTags($needle,true); // true for case-sensitive tag search.
+ // True for case-sensitive tag search.
+ $linksToAlter = $LINKSDB->filter(LinkFilter::$FILTER_TAG, $needle, true);
foreach($linksToAlter as $key=>$value)
{
$tags = explode(' ',trim($value['tags']));
// -------- User want to post a new link: Display link edit form.
if (isset($_GET['post'])) {
- $url = cleanup_url($_GET['post']);
+ $url = cleanup_url(escape($_GET['post']));
$link_is_new = false;
// Check if URL is not already in database (in this case, we will edit the existing link)
// If this is an HTTP(S) link, we try go get the page to extract the title (otherwise we will to straight to the edit form.)
if (empty($title) && strpos(get_url_scheme($url), 'http') !== false) {
// Short timeout to keep the application responsive
- list($headers, $data) = get_http_url($url, 4);
- // FIXME: Decode charset according to specified in either 1) HTTP response headers or 2) <head> in html
+ list($headers, $content) = get_http_response($url, 4);
if (strpos($headers[0], '200 OK') !== false) {
- // Look for charset in html header.
- preg_match('#<meta .*charset=.*>#Usi', $data, $meta);
-
- // If found, extract encoding.
- if (!empty($meta[0])) {
- // Get encoding specified in header.
- preg_match('#charset="?(.*)"#si', $meta[0], $enc);
- // If charset not found, use utf-8.
- $html_charset = (!empty($enc[1])) ? strtolower($enc[1]) : 'utf-8';
- }
- else {
- $html_charset = 'utf-8';
- }
-
- // Extract title
- $title = html_extract_title($data);
- if (!empty($title)) {
- // Re-encode title in utf-8 if necessary.
- $title = ($html_charset == 'iso-8859-1') ? utf8_encode($title) : $title;
+ // Retrieve charset.
+ $charset = get_charset($headers, $content);
+ // Extract title.
+ $title = html_extract_title($content);
+ // Re-encode title in utf-8 if necessary.
+ if (! empty($title) && $charset != 'utf-8') {
+ $title = mb_convert_encoding($title, $charset, 'utf-8');
}
}
}
+
if ($url == '') {
$url = '?' . smallHash($linkdate);
$title = 'Note: ';
}
+
$link = array(
'linkdate' => $linkdate,
'title' => $title,
$LINKSDB = new LinkDB(
$GLOBALS['config']['DATASTORE'],
isLoggedIn(),
- $GLOBALS['config']['HIDE_PUBLIC_LINKS']
+ $GLOBALS['config']['HIDE_PUBLIC_LINKS'],
+ $GLOBALS['redirector']
);
$filename=$_FILES['filetoupload']['name'];
$filesize=$_FILES['filetoupload']['size'];
function buildLinkList($PAGE,$LINKSDB)
{
// ---- Filter link database according to parameters
- $linksToDisplay=array();
- $search_type='';
- $search_crits='';
- if (isset($_GET['searchterm'])) // Fulltext search
- {
- $linksToDisplay = $LINKSDB->filterFulltext(trim($_GET['searchterm']));
- $search_crits=escape(trim($_GET['searchterm']));
- $search_type='fulltext';
- }
- elseif (isset($_GET['searchtags'])) // Search by tag
- {
- $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags']));
- $search_crits=explode(' ',escape(trim($_GET['searchtags'])));
- $search_type='tags';
- }
- elseif (isset($_SERVER['QUERY_STRING']) && preg_match('/[a-zA-Z0-9-_@]{6}(&.+?)?/',$_SERVER['QUERY_STRING'])) // Detect smallHashes in URL
- {
- $linksToDisplay = $LINKSDB->filterSmallHash(substr(trim($_SERVER["QUERY_STRING"], '/'),0,6));
- if (count($linksToDisplay)==0)
- {
- header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
- echo '<h1>404 Not found.</h1>Oh crap. The link you are trying to reach does not exist or has been deleted.';
- echo '<br>Would you mind <a href="?">clicking here</a>?';
+ $search_type = '';
+ $search_crits = '';
+ $privateonly = !empty($_SESSION['privateonly']) ? true : false;
+
+ // Fulltext search
+ if (isset($_GET['searchterm'])) {
+ $search_crits = escape(trim($_GET['searchterm']));
+ $search_type = LinkFilter::$FILTER_TEXT;
+ $linksToDisplay = $LINKSDB->filter($search_type, $search_crits, false, $privateonly);
+ }
+ // Search by tag
+ elseif (isset($_GET['searchtags'])) {
+ $search_crits = explode(' ', escape(trim($_GET['searchtags'])));
+ $search_type = LinkFilter::$FILTER_TAG;
+ $linksToDisplay = $LINKSDB->filter($search_type, $search_crits, false, $privateonly);
+ }
+ // Detect smallHashes in URL.
+ elseif (isset($_SERVER['QUERY_STRING'])
+ && preg_match('/[a-zA-Z0-9-_@]{6}(&.+?)?/', $_SERVER['QUERY_STRING'])) {
+ $search_type = LinkFilter::$FILTER_HASH;
+ $search_crits = substr(trim($_SERVER["QUERY_STRING"], '/'), 0, 6);
+ $linksToDisplay = $LINKSDB->filter($search_type, $search_crits);
+
+ if (count($linksToDisplay) == 0) {
+ $PAGE->render404('The link you are trying to reach does not exist or has been deleted.');
exit;
}
- $search_type='permalink';
}
- else
- $linksToDisplay = $LINKSDB; // Otherwise, display without filtering.
-
-
- // Option: Show only private links
- if (!empty($_SESSION['privateonly']))
- {
- $tmp = array();
- foreach($linksToDisplay as $linkdate=>$link)
- {
- if ($link['private']!=0) $tmp[$linkdate]=$link;
- }
- $linksToDisplay=$tmp;
+ // Otherwise, display without filtering.
+ else {
+ $linksToDisplay = $LINKSDB->filter('', '', false, $privateonly);
}
// ---- Handle paging.
- /* Can someone explain to me why you get the following error when using array_keys() on an object which implements the interface ArrayAccess???
- "Warning: array_keys() expects parameter 1 to be array, object given in ... "
- If my class implements ArrayAccess, why won't array_keys() accept it ? ( $keys=array_keys($linksToDisplay); )
- */
- $keys=array(); foreach($linksToDisplay as $key=>$value) { $keys[]=$key; } // Stupid and ugly. Thanks PHP.
+ $keys = array();
+ foreach ($linksToDisplay as $key => $value) {
+ $keys[] = $key;
+ }
// If there is only a single link, we change on-the-fly the title of the page.
- if (count($linksToDisplay)==1) $GLOBALS['pagetitle'] = $linksToDisplay[$keys[0]]['title'].' - '.$GLOBALS['title'];
+ if (count($linksToDisplay) == 1) {
+ $GLOBALS['pagetitle'] = $linksToDisplay[$keys[0]]['title'].' - '.$GLOBALS['title'];
+ }
// Select articles according to paging.
- $pagecount = ceil(count($keys)/$_SESSION['LINKS_PER_PAGE']);
- $pagecount = ($pagecount==0 ? 1 : $pagecount);
- $page=( empty($_GET['page']) ? 1 : intval($_GET['page']));
- $page = ( $page<1 ? 1 : $page );
- $page = ( $page>$pagecount ? $pagecount : $page );
- $i = ($page-1)*$_SESSION['LINKS_PER_PAGE']; // Start index.
- $end = $i+$_SESSION['LINKS_PER_PAGE'];
- $linkDisp=array(); // Links to display
+ $pagecount = ceil(count($keys) / $_SESSION['LINKS_PER_PAGE']);
+ $pagecount = $pagecount == 0 ? 1 : $pagecount;
+ $page= empty($_GET['page']) ? 1 : intval($_GET['page']);
+ $page = $page < 1 ? 1 : $page;
+ $page = $page > $pagecount ? $pagecount : $page;
+ // Start index.
+ $i = ($page-1) * $_SESSION['LINKS_PER_PAGE'];
+ $end = $i + $_SESSION['LINKS_PER_PAGE'];
+ $linkDisp = array();
while ($i<$end && $i<count($keys))
{
$link = $linksToDisplay[$keys[$i]];
- $link['description']=nl2br(keepMultipleSpaces(text2clickable($link['description'])));
- $title=$link['title'];
- $classLi = $i%2!=0 ? '' : 'publicLinkHightLight';
- $link['class'] = ($link['private']==0 ? $classLi : 'private');
- $link['timestamp']=linkdate2timestamp($link['linkdate']);
- $taglist = explode(' ',$link['tags']);
+ $link['description'] = format_description($link['description'], $GLOBALS['redirector']);
+ $classLi = ($i % 2) != 0 ? '' : 'publicLinkHightLight';
+ $link['class'] = $link['private'] == 0 ? $classLi : 'private';
+ $link['timestamp'] = linkdate2timestamp($link['linkdate']);
+ $taglist = explode(' ', $link['tags']);
uasort($taglist, 'strcasecmp');
- $link['taglist']=$taglist;
+ $link['taglist'] = $taglist;
$link['shorturl'] = smallHash($link['linkdate']);
- if ($link["url"][0] === '?' && // Check for both signs of a note: starting with ? and 7 chars long. I doubt that you'll post any links that look like this.
- strlen($link["url"]) === 7) {
- $link["url"] = index_url($_SERVER) . $link["url"];
+ // Check for both signs of a note: starting with ? and 7 chars long.
+ if ($link['url'][0] === '?' &&
+ strlen($link['url']) === 7) {
+ $link['url'] = index_url($_SERVER) . $link['url'];
}
$linkDisp[$keys[$i]] = $link;
}
// Compute paging navigation
- $searchterm= ( empty($_GET['searchterm']) ? '' : '&searchterm='.$_GET['searchterm'] );
- $searchtags= ( empty($_GET['searchtags']) ? '' : '&searchtags='.$_GET['searchtags'] );
- $paging='';
- $previous_page_url=''; if ($i!=count($keys)) $previous_page_url='?page='.($page+1).$searchterm.$searchtags;
- $next_page_url='';if ($page>1) $next_page_url='?page='.($page-1).$searchterm.$searchtags;
+ $searchterm = empty($_GET['searchterm']) ? '' : '&searchterm=' . $_GET['searchterm'];
+ $searchtags = empty($_GET['searchtags']) ? '' : '&searchtags=' . $_GET['searchtags'];
+ $previous_page_url = '';
+ if ($i != count($keys)) {
+ $previous_page_url = '?page=' . ($page+1) . $searchterm . $searchtags;
+ }
+ $next_page_url='';
+ if ($page>1) {
+ $next_page_url = '?page=' . ($page-1) . $searchterm . $searchtags;
+ }
- $token = ''; if (isLoggedIn()) $token=getToken();
+ $token = '';
+ if (isLoggedIn()) {
+ $token = getToken();
+ }
// Fill all template fields.
$data = array(
'links' => $linkDisp,
'tags' => $LINKSDB->allTags(),
);
+ // FIXME! temporary fix - see #399.
+ if (!empty($GLOBALS['pagetitle']) && count($linkDisp) == 1) {
+ $data['pagetitle'] = $GLOBALS['pagetitle'];
+ }
$pluginManager = PluginManager::getInstance();
$pluginManager->executeHooks('render_linklist', $data, array('loggedin' => isLoggedIn()));
exit;
}
-if (!function_exists('json_encode')) {
- function json_encode($data) {
- switch ($type = gettype($data)) {
- case 'NULL':
- return 'null';
- case 'boolean':
- return ($data ? 'true' : 'false');
- case 'integer':
- case 'double':
- case 'float':
- return $data;
- case 'string':
- return '"' . addslashes($data) . '"';
- case 'object':
- $data = get_object_vars($data);
- case 'array':
- $output_index_count = 0;
- $output_indexed = array();
- $output_associative = array();
- foreach ($data as $key => $value) {
- $output_indexed[] = json_encode($value);
- $output_associative[] = json_encode($key) . ':' . json_encode($value);
- if ($output_index_count !== NULL && $output_index_count++ !== $key) {
- $output_index_count = NULL;
- }
- }
- if ($output_index_count !== NULL) {
- return '[' . implode(',', $output_indexed) . ']';
- } else {
- return '{' . implode(',', $output_associative) . '}';
- }
- default:
- return ''; // Not supported
- }
- }
-}
-
-
-
/* Because some f*cking services like flickr require an extra HTTP request to get the thumbnail URL,
I have deported the thumbnail URL code generation here, otherwise this would slow down page generation.
The following function takes the URL a link (e.g. a flickr page) and return the proper thumbnail.
else // This is a flickr page (html)
{
// Get the flickr html page.
- list($headers, $data) = get_http_url($url, 20);
+ list($headers, $content) = get_http_response($url, 20);
if (strpos($headers[0], '200 OK') !== false)
{
// flickr now nicely provides the URL of the thumbnail in each flickr page.
- preg_match('!<link rel=\"image_src\" href=\"(.+?)\"!',$data,$matches);
+ preg_match('!<link rel=\"image_src\" href=\"(.+?)\"!', $content, $matches);
if (!empty($matches[1])) $imageurl=$matches[1];
// In albums (and some other pages), the link rel="image_src" is not provided,
// <meta property="og:image" content="http://farm4.staticflickr.com/3398/3239339068_25d13535ff_z.jpg" />
if ($imageurl=='')
{
- preg_match('!<meta property=\"og:image\" content=\"(.+?)\"!',$data,$matches);
+ preg_match('!<meta property=\"og:image\" content=\"(.+?)\"!', $content, $matches);
if (!empty($matches[1])) $imageurl=$matches[1];
}
}
if ($imageurl!='')
{ // Let's download the image.
// Image is 240x120, so 10 seconds to download should be enough.
- list($headers, $data) = get_http_url($imageurl, 10);
+ list($headers, $content) = get_http_response($imageurl, 10);
if (strpos($headers[0], '200 OK') !== false) {
- file_put_contents($GLOBALS['config']['CACHEDIR'].'/'.$thumbname,$data); // Save image to cache.
+ // Save image to cache.
+ file_put_contents($GLOBALS['config']['CACHEDIR'].'/' . $thumbname, $content);
header('Content-Type: image/jpeg');
- echo $data;
+ echo $content;
return;
}
}
// This is more complex: we have to perform a HTTP request, then parse the result.
// Maybe we should deport this to JavaScript ? Example: http://stackoverflow.com/questions/1361149/get-img-thumbnails-from-vimeo/4285098#4285098
$vid = substr(parse_url($url,PHP_URL_PATH),1);
- list($headers, $data) = get_http_url('https://vimeo.com/api/v2/video/'.escape($vid).'.php', 5);
+ list($headers, $content) = get_http_response('https://vimeo.com/api/v2/video/'.escape($vid).'.php', 5);
if (strpos($headers[0], '200 OK') !== false) {
- $t = unserialize($data);
+ $t = unserialize($content);
$imageurl = $t[0]['thumbnail_medium'];
// Then we download the image and serve it to our client.
- list($headers, $data) = get_http_url($imageurl, 10);
+ list($headers, $content) = get_http_response($imageurl, 10);
if (strpos($headers[0], '200 OK') !== false) {
- file_put_contents($GLOBALS['config']['CACHEDIR'].'/'.$thumbname,$data); // Save image to cache.
+ // Save image to cache.
+ file_put_contents($GLOBALS['config']['CACHEDIR'] . '/' . $thumbname, $content);
header('Content-Type: image/jpeg');
- echo $data;
+ echo $content;
return;
}
}
// The thumbnail for TED talks is located in the <link rel="image_src" [...]> tag on that page
// http://www.ted.com/talks/mikko_hypponen_fighting_viruses_defending_the_net.html
// <link rel="image_src" href="http://images.ted.com/images/ted/28bced335898ba54d4441809c5b1112ffaf36781_389x292.jpg" />
- list($headers, $data) = get_http_url($url, 5);
+ list($headers, $content) = get_http_response($url, 5);
if (strpos($headers[0], '200 OK') !== false) {
// Extract the link to the thumbnail
- preg_match('!link rel="image_src" href="(http://images.ted.com/images/ted/.+_\d+x\d+\.jpg)"!',$data,$matches);
+ preg_match('!link rel="image_src" href="(http://images.ted.com/images/ted/.+_\d+x\d+\.jpg)"!', $content, $matches);
if (!empty($matches[1]))
{ // Let's download the image.
$imageurl=$matches[1];
// No control on image size, so wait long enough
- list($headers, $data) = get_http_url($imageurl, 20);
+ list($headers, $content) = get_http_response($imageurl, 20);
if (strpos($headers[0], '200 OK') !== false) {
$filepath=$GLOBALS['config']['CACHEDIR'].'/'.$thumbname;
- file_put_contents($filepath,$data); // Save image to cache.
+ file_put_contents($filepath, $content); // Save image to cache.
if (resizeImage($filepath))
{
header('Content-Type: image/jpeg');
// 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($headers, $data) = get_http_url($url, 5);
+ list($headers, $content) = get_http_response($url, 5);
if (strpos($headers[0], '200 OK') !== false) {
// Extract the link to the thumbnail
- preg_match('!<img src="(http://imgs.xkcd.com/comics/.*)" title="[^s]!',$data,$matches);
+ preg_match('!<img src="(http://imgs.xkcd.com/comics/.*)" title="[^s]!', $content, $matches);
if (!empty($matches[1]))
{ // Let's download the image.
$imageurl=$matches[1];
// No control on image size, so wait long enough
- list($headers, $data) = get_http_url($imageurl, 20);
+ list($headers, $content) = get_http_response($imageurl, 20);
if (strpos($headers[0], '200 OK') !== false) {
$filepath=$GLOBALS['config']['CACHEDIR'].'/'.$thumbname;
- file_put_contents($filepath,$data); // Save image to cache.
+ // Save image to cache.
+ file_put_contents($filepath, $content);
if (resizeImage($filepath))
{
header('Content-Type: image/jpeg');
{
// For all other domains, we try to download the image and make a thumbnail.
// We allow 30 seconds max to download (and downloads are limited to 4 Mb)
- list($headers, $data) = get_http_url($url, 30);
+ list($headers, $content) = get_http_response($url, 30);
if (strpos($headers[0], '200 OK') !== false) {
$filepath=$GLOBALS['config']['CACHEDIR'].'/'.$thumbname;
- file_put_contents($filepath,$data); // Save image to cache.
+ // Save image to cache.
+ file_put_contents($filepath, $content);
if (resizeImage($filepath))
{
header('Content-Type: image/jpeg');
if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=rss')) { showRSS(); exit; }
if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=atom')) { showATOM(); exit; }
if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=dailyrss')) { showDailyRSS(); exit; }
-if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=daily')) { showDaily(); exit; }
if (!isset($_SESSION['LINKS_PER_PAGE'])) $_SESSION['LINKS_PER_PAGE']=$GLOBALS['config']['LINKS_PER_PAGE'];
renderPage();
?>