<?php
/**
- * Shaarli v0.6.1 - Shaare your links...
+ * Shaarli v0.6.3 - Shaare your links...
*
* The personal, minimalist, super-fast, no-database Delicious clone.
*
// Banned IPs
$GLOBALS['config']['IPBANS_FILENAME'] = $GLOBALS['config']['DATADIR'].'/ipbans.php';
+// Processed updates file.
+$GLOBALS['config']['UPDATES_FILE'] = $GLOBALS['config']['DATADIR'].'/updates.txt';
+
// Access log
$GLOBALS['config']['LOG_FILE'] = $GLOBALS['config']['DATADIR'].'/log.txt';
// For updates check of Shaarli
$GLOBALS['config']['UPDATECHECK_FILENAME'] = $GLOBALS['config']['DATADIR'].'/lastupdatecheck.txt';
+// Set ENABLE_UPDATECHECK to disabled by default.
+$GLOBALS['config']['ENABLE_UPDATECHECK'] = false;
+
// RainTPL cache directory (keep the trailing slash!)
$GLOBALS['config']['RAINTPL_TMP'] = 'tmp/';
// Raintpl template directory (keep the trailing slash!)
// Atom & RSS feed cache directory
$GLOBALS['config']['PAGECACHE'] = 'pagecache';
-
/*
* Global configuration
*/
//);
$GLOBALS['config']['ENABLED_PLUGINS'] = array('qrcode');
-//$GLOBALS['plugins']['WALLABAG_URL'] = 'https://demo.wallabag.org/';
+// Initialize plugin parameters array.
+$GLOBALS['plugins'] = array();
// PubSubHubbub support. Put an empty string to disable, or put your hub url here to enable.
$GLOBALS['config']['PUBSUBHUB_URL'] = '';
/*
* PHP configuration
*/
-define('shaarli_version', '0.6.1');
+define('shaarli_version', '0.6.3');
// http://server.com/x/shaarli --> /shaarli/
define('WEB_PATH', substr($_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';
require_once 'application/Config.php';
require_once 'application/PluginManager.php';
require_once 'application/Router.php';
+require_once 'application/Updater.php';
// Ensure the PHP version is supported
try {
$userIsLoggedIn = setup_login_state();
-// -----------------------------------------------------------------------------------------------
-// Log to text file
-function logm($message)
-{
- $t = strval(date('Y/m/d_H:i:s')).' - '.$_SERVER["REMOTE_ADDR"].' - '.strval($message)."\n";
- file_put_contents($GLOBALS['config']['LOG_FILE'], $t, FILE_APPEND);
-}
-
// ------------------------------------------------------------------------------------------
// Sniff browser language to display dates in the right format automatically.
// (Note that is may not work on your server if the corresponding local is not installed.)
if ($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...).
$this->tpl->assign('versionError', '');
} catch (Exception $exc) {
- logm($exc->getMessage());
+ logm($GLOBALS['config']['LOG_FILE'], $_SERVER['REMOTE_ADDR'], $exc->getMessage());
$this->tpl->assign('newVersion', '');
$this->tpl->assign('versionError', escape($exc->getMessage()));
}
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');
+ }
}
// ------------------------------------------------------------------------------------------
// 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";
);
// 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));
}
try {
- $linksToDisplay = $LINKSDB->filterDay($day);
+ $linksToDisplay = $LINKSDB->filter(LinkFilter::$FILTER_DAY, $day);
} catch (Exception $exc) {
error_log($exc);
$linksToDisplay = array();
$GLOBALS['redirector']
);
+ $updater = new Updater(
+ read_updates_file($GLOBALS['config']['UPDATES_FILE']),
+ $GLOBALS,
+ $LINKSDB,
+ isLoggedIn()
+ );
+ try {
+ $newUpdates = $updater->update();
+ if (! empty($newUpdates)) {
+ write_updates_file(
+ $GLOBALS['config']['UPDATES_FILE'],
+ $updater->getDoneUpdates()
+ );
+ }
+ }
+ catch(Exception $e) {
+ die($e->getMessage());
+ }
+
$PAGE = new pageBuilder;
// Determine which page will be rendered.
// Call plugin hooks for header, footer and includes, specifying which page will be rendered.
// Then assign generated data to RainTPL.
$common_hooks = array(
+ 'includes',
'header',
'footer',
- 'includes',
);
$pluginManager = PluginManager::getInstance();
foreach($common_hooks as $name) {
if ($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)
// We sort tags alphabetically, then choose a font size according to count.
// First, find max value.
- $maxcount=0; foreach($tags as $key=>$value) $maxcount=max($maxcount,$value);
- ksort($tags);
+ $maxcount = 0;
+ foreach ($tags as $value) {
+ $maxcount = max($maxcount, $value);
+ }
+
+ // Sort tags alphabetically: case insensitive, support locale if avalaible.
+ uksort($tags, function($a, $b) {
+ // Collator is part of PHP intl.
+ if (class_exists('Collator')) {
+ $c = new Collator(setlocale(LC_ALL, 0));
+ return $c->compare($a, $b);
+ } else {
+ return strcasecmp($a, $b);
+ }
+ });
+
$tagList=array();
foreach($tags as $key=>$value)
- // Tag font size scaling: default 15 and 30 logarithm bases affect scaling, 22 and 6 are arbitrary font sizes for max and min sizes.
+ // Tag font size scaling: default 15 and 30 logarithm bases affect scaling, 22 and 6 are arbitrary font sizes for max and min sizes.
{
$tagList[$key] = array('count'=>$value,'size'=>log($value, 15) / log($maxcount, 30) * (22-6) + 6);
}
}
if (isset($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 clicked the "Save" button when editing a link: Save link to database.
if (isset($_POST['save_edit']))
{
- if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away!
- $tags = trim(preg_replace('/\s\s+/',' ', $_POST['lf_tags'])); // Remove multiple spaces.
- $tags = implode(' ', array_unique(explode(' ', $tags))); // Remove duplicates.
- $linkdate=$_POST['lf_linkdate'];
+ // Go away!
+ if (! tokenOk($_POST['token'])) {
+ die('Wrong token.');
+ }
+ // Remove multiple spaces.
+ $tags = trim(preg_replace('/\s\s+/', ' ', $_POST['lf_tags']));
+ // Remove first '-' char in tags.
+ $tags = preg_replace('/(^| )\-/', '$1', $tags);
+ // Remove duplicates.
+ $tags = implode(' ', array_unique(explode(' ', $tags)));
+ $linkdate = $_POST['lf_linkdate'];
$url = trim($_POST['lf_url']);
- if (!startsWith($url,'http:') && !startsWith($url,'https:') && !startsWith($url,'ftp:') && !startsWith($url,'magnet:') && !startsWith($url,'?') && !startsWith($url,'javascript:'))
- $url = 'http://'.$url;
- $link = array('title'=>trim($_POST['lf_title']),'url'=>$url,'description'=>trim($_POST['lf_description']),'private'=>(isset($_POST['lf_private']) ? 1 : 0),
- 'linkdate'=>$linkdate,'tags'=>str_replace(',',' ',$tags));
- if ($link['title']=='') $link['title']=$link['url']; // If title is empty, use the URL as title.
+ if (! startsWith($url, 'http:') && ! startsWith($url, 'https:')
+ && ! startsWith($url, 'ftp:') && ! startsWith($url, 'magnet:')
+ && ! startsWith($url, '?') && ! startsWith($url, 'javascript:')
+ ) {
+ $url = 'http://' . $url;
+ }
+
+ $link = array(
+ 'title' => trim($_POST['lf_title']),
+ 'url' => $url,
+ 'description' => $_POST['lf_description'],
+ 'private' => (isset($_POST['lf_private']) ? 1 : 0),
+ 'linkdate' => $linkdate,
+ 'tags' => str_replace(',', ' ', $tags)
+ );
+ // If title is empty, use the URL as title.
+ if ($link['title'] == '') {
+ $link['title'] = $link['url'];
+ }
$pluginManager->executeHooks('save_link', $link);
$LINKSDB[$linkdate] = $link;
- $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // Save to disk.
+ $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']);
pubsubhub();
// If we are called from the bookmarklet, we must close the popup:
exit;
}
- $returnurl = !empty($_POST['returnurl']) ? escape($_POST['returnurl']): '?';
+ $returnurl = !empty($_POST['returnurl']) ? $_POST['returnurl'] : '?';
$location = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link'));
- $location .= '#'.smallHash($_POST['lf_linkdate']); // Scroll to the link which has been edited.
- header('Location: '. $location); // After saving the link, redirect to the page the user was on.
+ // Scroll to the link which has been edited.
+ $location .= '#' . smallHash($_POST['lf_linkdate']);
+ // After saving the link, redirect to the page the user was on.
+ header('Location: '. $location);
exit;
}
// -------- User want to post a new link: Display link edit form.
if (isset($_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' => $title,
exit;
}
+ // Plugin administration page
+ if ($targetPage == Router::$PAGE_PLUGINSADMIN) {
+ $pluginMeta = $pluginManager->getPluginsMeta();
+
+ // Split plugins into 2 arrays: ordered enabled plugins and disabled.
+ $enabledPlugins = array_filter($pluginMeta, function($v) { return $v['order'] !== false; });
+ // Load parameters.
+ $enabledPlugins = load_plugin_parameter_values($enabledPlugins, $GLOBALS['plugins']);
+ uasort(
+ $enabledPlugins,
+ function($a, $b) { return $a['order'] - $b['order']; }
+ );
+ $disabledPlugins = array_filter($pluginMeta, function($v) { return $v['order'] === false; });
+
+ $PAGE->assign('enabledPlugins', $enabledPlugins);
+ $PAGE->assign('disabledPlugins', $disabledPlugins);
+ $PAGE->renderPage('pluginsadmin');
+ exit;
+ }
+
+ // Plugin administration form action
+ if ($targetPage == Router::$PAGE_SAVE_PLUGINSADMIN) {
+ try {
+ if (isset($_POST['parameters_form'])) {
+ unset($_POST['parameters_form']);
+ foreach ($_POST as $param => $value) {
+ $GLOBALS['plugins'][$param] = escape($value);
+ }
+ }
+ else {
+ $GLOBALS['config']['ENABLED_PLUGINS'] = save_plugin_config($_POST);
+ }
+ writeConfig($GLOBALS, isLoggedIn());
+ }
+ catch (Exception $e) {
+ error_log(
+ 'ERROR while saving plugin configuration:.' . PHP_EOL .
+ $e->getMessage()
+ );
+
+ // TODO: do not handle exceptions/errors in JS.
+ echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do='. Router::$PAGE_PLUGINSADMIN .'\';</script>';
+ exit;
+ }
+ header('Location: ?do='. Router::$PAGE_PLUGINSADMIN);
+ exit;
+ }
+
// -------- Otherwise, simply display search form and links:
showLinkList($PAGE, $LINKSDB);
exit;
function buildLinkList($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]];
$link['description'] = format_description($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']);
+ $classLi = ($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.
$data = array(
else // This is a flickr page (html)
{
// Get the flickr html page.
- list($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');
return true;
}
-try {
- mergeDeprecatedConfig($GLOBALS, isLoggedIn());
-} catch(Exception $e) {
- error_log(
- 'ERROR while merging deprecated options.php file.' . PHP_EOL .
- $e->getMessage()
- );
-}
-
if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=genthumbnail')) { genThumbnail(); exit; } // Thumbnail generation/cache does not need the link database.
if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=rss')) { showRSS(); exit; }
if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=atom')) { showATOM(); exit; }