<?php
-// Shaarli 0.0.15 beta - Shaare your links...
+// Shaarli 0.0.23 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
define('BAN_AFTER',4); // Ban IP after this many failures.
define('BAN_DURATION',1800); // Ban duration for IP address after login failures (in seconds) (1800 sec. = 30 minutes)
define('OPEN_SHAARLI',false); // If true, anyone can add/edit/delete links without having to login
-
+define('HIDE_TIMESTAMPS',false); // If true, the moment when links were saved are not shown to users that are not logged in.
+define('ENABLE_THUMBNAILS',true); // Enable thumbnails in links.
+define('CACHEDIR','cache'); // Cache directory for thumbnails for SLOW services (like flickr)
+
// -----------------------------------------------------------------------------------------------
// Program config (touch at your own risks !)
+define('UPDATECHECK_FILENAME',DATADIR.'/lastupdatecheck.txt'); // For updates check of Shaarli.
+define('UPDATECHECK_INTERVAL',86400); // Updates check frequency for Shaarli. 86400 seconds=24 hours
ini_set('max_input_time','60'); // High execution time in case of problematic imports/exports.
ini_set('memory_limit', '128M'); // Try to set max upload file size and read (May not work on some hosts).
ini_set('post_max_size', '16M');
error_reporting(E_ALL^E_WARNING); // See all error except warnings.
//error_reporting(-1); // See all errors (for debugging only)
ob_start();
+
// In case stupid admin has left magic_quotes enabled in php.ini:
if (get_magic_quotes_gpc())
{
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','0.0.15 beta');
+define('shaarli_version','0.0.23 beta');
if (!is_dir(DATADIR)) { mkdir(DATADIR,0705); chmod(DATADIR,0705); }
+if (!is_dir(CACHEDIR)) { mkdir(CACHEDIR,0705); chmod(CACHEDIR,0705); }
if (!is_file(DATADIR.'/.htaccess')) { file_put_contents(DATADIR.'/.htaccess',"Allow from none\nDeny from all\n"); } // Protect data files.
+if (!is_file(CACHEDIR.'/.htaccess')) { file_put_contents(CACHEDIR.'/.htaccess',"Allow from none\nDeny from all\n"); } // Protect data files.
if (!is_file(CONFIG_FILE)) install();
require CONFIG_FILE; // Read login/password hash into $GLOBALS.
+// Small protection against dodgy config files:
+if (empty($GLOBALS['title'])) $GLOBALS['title']='Shared links on '.htmlspecialchars(serverUrl().$_SERVER['SCRIPT_NAME']);
+if (empty($GLOBALS['timezone'])) $GLOBALS['timezone']=date_default_timezone_get();
autoLocale(); // Sniff browser language and set date format accordingly.
header('Content-Type: text/html; charset=utf-8'); // We use UTF-8 for proper international characters handling.
$LINKSDB=false;
-// Check php version
+// Check php version
function checkphpversion()
{
- $ver=phpversion();
- if (preg_match('!(\d+)\.(\d+)\.(\d+)!',$ver,$matches)) // (because phpversion() sometimes returns strings like "5.2.4-2ubuntu5.2")
+ if (version_compare(PHP_VERSION, '5.1.0') < 0)
{
- list($match,$major,$minor,$release) = $matches;
- if ($major>=5 && $minor>=1) return; // 5.1.x or higher is ok.
header('Content-Type: text/plain; charset=utf-8');
- echo 'Your server supports php '.$ver.'. Shaarli requires at last php 5.1, and thus cannot run. Sorry.';
+ echo 'Your server supports php '.PHP_VERSION.'. Shaarli requires at last php 5.1.0, and thus cannot run. Sorry.';
exit;
+ }
+}
+
+// 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.
+
+ // Get latest version number at most once a day.
+ if (!is_file(UPDATECHECK_FILENAME) || (filemtime(UPDATECHECK_FILENAME)<time()-(UPDATECHECK_INTERVAL)))
+ {
+ $version=shaarli_version;
+ list($httpstatus,$headers,$data) = getHTTP('http://sebsauvage.net/files/shaarli_version.txt',2);
+ if (strpos($httpstatus,'200 OK')) $version=$data;
+ // If failed, nevermind. We don't want to bother the user with that.
+ file_put_contents(UPDATECHECK_FILENAME,$version); // touch file date
}
- // if cannot check php version... well, at your own risks.
+ // Compare versions:
+ $newestversion=file_get_contents(UPDATECHECK_FILENAME);
+ if (version_compare($newestversion,shaarli_version)==1) return $newestversion;
+ return '';
}
// -----------------------------------------------------------------------------------------------
// Log to text file
function logm($message)
{
- if (!file_exists(DATADIR.'/log.txt')) {$logFile = fopen(DATADIR.'/log.txt','w'); }
- else { $logFile = fopen(DATADIR.'/log.txt','a'); }
- fwrite($logFile,strval(date('Y/m/d_H:i:s')).' - '.$_SERVER["REMOTE_ADDR"].' - '.strval($message)."\n");
- fclose($logFile);
+ $t = strval(date('Y/m/d_H:i:s')).' - '.$_SERVER["REMOTE_ADDR"].' - '.strval($message)."\n";
+ file_put_contents(DATADIR.'/log.txt',$t,FILE_APPEND);
}
// ------------------------------------------------------------------------------------------
logout();
return false;
}
- $_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT; // User accessed a page : Update his/her session expiration date.
+ if (!empty($_SESSION['longlastingsession'])) $_SESSION['expires_on']=time()+$_SESSION['longlastingsession']; // In case of "Stay signed in" checked.
+ else $_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT; // Standard session expiration date.
+
return true;
}
// Force logout.
-function logout() { unset($_SESSION['uid']); unset($_SESSION['ip']); unset($_SESSION['username']);}
+function logout() { if (isset($_SESSION)) { unset($_SESSION['uid']); unset($_SESSION['ip']); unset($_SESSION['username']);} }
// ------------------------------------------------------------------------------------------
if (!ban_canLogin()) die('I said: NO. You are banned for the moment. Go away.');
if (isset($_POST['password']) && tokenOk($_POST['token']) && (check_auth($_POST['login'], $_POST['password'])))
{ // Login/password is ok.
- ban_loginOk();
+ ban_loginOk();
+ // If user wants to keep the session cookie even after the browser closes:
+ if (!empty($_POST['longlastingsession']))
+ {
+ $_SESSION['longlastingsession']=31536000; // (31536000 seconds = 1 year)
+ $_SESSION['expires_on']=time()+$_SESSION['longlastingsession']; // Set session expiration on server-side.
+ session_set_cookie_params($_SESSION['longlastingsession']); // Set session cookie expiration on client side
+ session_regenerate_id(true); // Send cookie with new expiration date to browser.
+ }
+ else // Standard session expiration (=when browser closes)
+ {
+ session_set_cookie_params(0); // 0 means "When browser closes"
+ session_regenerate_id(true);
+ }
// Optional redirect after login:
- if (isset($_GET['post'])) { header('Location: ?post='.urlencode($_GET['post']).(!empty($_GET['source'])?'&source='.urlencode($_GET['source']):'')); exit; }
+ if (isset($_GET['post'])) { header('Location: ?post='.urlencode($_GET['post']).(!empty($_GET['title'])?'&title='.urlencode($_GET['title']):'').(!empty($_GET['source'])?'&source='.urlencode($_GET['source']):'')); exit; }
if (isset($_POST['returnurl']))
{
if (endsWith($_POST['returnurl'],'?do=login')) { header('Location: ?'); exit; } // Prevent loops over login screen.
return date('r',linkdate2timestamp($linkdate)); // 'r' is for RFC822 date format.
}
+/* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a ISO 8601 date.
+ (used to build the updated tags in ATOM feed.) */
+function linkdate2iso8601($linkdate)
+{
+ return date('c',linkdate2timestamp($linkdate)); // 'c' is for ISO 8601 date format.
+}
+
/* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a localized date format.
(used to display link date on screen)
- The date format is automatically chose according to locale/languages sniffed from browser headers (see autoLocale()). */
+ The date format is automatically chosen according to locale/languages sniffed from browser headers (see autoLocale()). */
function linkdate2locale($linkdate)
{
return utf8_encode(strftime('%c',linkdate2timestamp($linkdate))); // %c is for automatic date format according to locale.
{
// Read data
$this->links=(file_exists(DATASTORE) ? unserialize(gzinflate(base64_decode(substr(file_get_contents(DATASTORE),strlen(PHPPREFIX),-strlen(PHPSUFFIX))))) : array() );
+ // Note that gzinflate is faster than gzuncompress. See: http://www.php.net/manual/en/function.gzdeflate.php#96439
// If user is not logged in, filter private links.
if (!$this->loggedin)
}
// Case insentitive search among links (in url, title and description). Returns filtered list of links.
- // eg. print_r($mydb->filterTags('hollandais'));
+ // eg. print_r($mydb->filterFulltext('hollandais'));
public function filterFulltext($searchterms)
{
// FIXME: explode(' ',$searchterms) and perform a AND search.
// Filter by tag.
// You can specify one or more tags (tags can be separated by space or comma).
// eg. print_r($mydb->filterTags('linux programming'));
- public function filterTags($tags)
+ public function filterTags($tags,$casesensitive=false)
{
- $t = str_replace(',',' ',strtolower($tags));
+ $t = str_replace(',',' ',($casesensitive?$tags:strtolower($tags)));
$searchtags=explode(' ',$t);
$filtered=array();
foreach($this->links as $l)
{
- $linktags = explode(' ',strtolower($l['tags']));
+ $linktags = explode(' ',($casesensitive?$l['tags']:strtolower($l['tags'])));
if (count(array_intersect($linktags,$searchtags)) == count($searchtags))
$filtered[$l['linkdate']] = $l;
}
if (!empty($tag)) $tags[$tag]=(empty($tags[$tag]) ? 1 : $tags[$tag]+1);
arsort($tags); // Sort tags by usage (most used tag first)
return $tags;
- }
-
+ }
}
// ------------------------------------------------------------------------------------------
// Optionnaly filter the results:
$linksToDisplay=array();
if (!empty($_GET['searchterm'])) $linksToDisplay = $LINKSDB->filterFulltext($_GET['searchterm']);
- elseif (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags($_GET['searchtags']);
+ elseif (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags']));
else $linksToDisplay = $LINKSDB;
- header('Content-Type: application/xhtml+xml; charset=utf-8');
+ header('Content-Type: application/rss+xml; charset=utf-8');
$pageaddr=htmlspecialchars(serverUrl().$_SERVER["SCRIPT_NAME"]);
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>Shared links on '.$pageaddr.'</title><link>'.$pageaddr.'</link>';
+ echo '<channel><title>'.htmlspecialchars($GLOBALS['title']).'</title><link>'.$pageaddr.'</link>';
echo '<description>Shared links</description><language></language><copyright>'.$pageaddr.'</copyright>'."\n\n";
$i=0;
$keys=array(); foreach($linksToDisplay as $key=>$value) { $keys[]=$key; } // No, I can't use array_keys().
{
$link = $linksToDisplay[$keys[$i]];
$rfc822date = linkdate2rfc822($link['linkdate']);
- echo '<item><title>'.htmlspecialchars($link['title']).'</title><guid>'.htmlspecialchars($link['url']).'</guid><link>'.htmlspecialchars($link['url']).'</link><pubDate>'.htmlspecialchars($rfc822date).'</pubDate>';
- echo '<description><![CDATA['.htmlspecialchars($link['description']).']]></description></item>'."\n";
+ echo '<item><title>'.htmlspecialchars($link['title']).'</title><guid>'.htmlspecialchars($link['url']).'</guid><link>'.htmlspecialchars($link['url']).'</link>';
+ if (!HIDE_TIMESTAMPS || isLoggedIn()) echo '<pubDate>'.htmlspecialchars($rfc822date).'</pubDate>';
+ echo '<description><![CDATA['.nl2br(htmlspecialchars($link['description'])).']]></description></item>'."\n";
$i++;
}
echo '</channel></rss>';
exit;
}
+// ------------------------------------------------------------------------------------------
+// Ouput the last 50 links in ATOM format.
+function showATOM()
+{
+ global $LINKSDB;
+
+ // Optionnaly filter the results:
+ $linksToDisplay=array();
+ if (!empty($_GET['searchterm'])) $linksToDisplay = $LINKSDB->filterFulltext($_GET['searchterm']);
+ elseif (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags']));
+ else $linksToDisplay = $LINKSDB;
+
+ header('Content-Type: application/atom+xml; charset=utf-8');
+ $pageaddr=htmlspecialchars(serverUrl().$_SERVER["SCRIPT_NAME"]);
+ $latestDate = '';
+ $entries='';
+ $i=0;
+ $keys=array(); foreach($linksToDisplay as $key=>$value) { $keys[]=$key; } // No, I can't use array_keys().
+ while ($i<50 && $i<count($keys))
+ {
+ $link = $linksToDisplay[$keys[$i]];
+ $iso8601date = linkdate2iso8601($link['linkdate']);
+ $latestDate = max($latestDate,$iso8601date);
+ $entries.='<entry><title>'.htmlspecialchars($link['title']).'</title><link href="'.htmlspecialchars($link['url']).'"/><id>'.htmlspecialchars($link['url']).'</id>';
+ if (!HIDE_TIMESTAMPS || isLoggedIn()) $entries.='<updated>'.htmlspecialchars($iso8601date).'</updated>';
+ $entries.='<summary>'.nl2br(htmlspecialchars($link['description'])).'</summary></entry>'."\n";
+ $i++;
+ }
+ $feed='<?xml version="1.0" encoding="UTF-8"?><feed xmlns="http://www.w3.org/2005/Atom">';
+ $feed.='<title>'.htmlspecialchars($GLOBALS['title']).'</title>';
+ if (!HIDE_TIMESTAMPS || isLoggedIn()) $feed.='<updated>'.htmlspecialchars($latestDate).'</updated>';
+ $feed.='<link href="'.htmlspecialchars($pageaddr).'" />';
+ $feed.='<author><uri>'.htmlspecialchars($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>';
+ echo $feed;
+ exit;
+}
+
// ------------------------------------------------------------------------------------------
// Render HTML page:
function renderPage()
exit;
}
$returnurl_html = (isset($_SERVER['HTTP_REFERER']) ? '<input type="hidden" name="returnurl" value="'.htmlspecialchars($_SERVER['HTTP_REFERER']).'">' : '');
- $loginform='<div id="headerform"><form method="post" name="loginform">Login: <input type="text" name="login"> Password : <input type="password" name="password"> <input type="submit" value="Login" class="bigbutton"><input type="hidden" name="token" value="'.getToken().'">'.$returnurl_html.'</form></div>';
+ $loginform='<div id="headerform"><form method="post" name="loginform">Login: <input type="text" name="login"> Password : <input type="password" name="password"> <input type="submit" value="Login" class="bigbutton"><br>';
+ $loginform.='<input style="margin:10 0 0 40;" type="checkbox" name="longlastingsession" id="longlastingsession"><label for="longlastingsession"> Stay signed in (Do not check on public computers)</label><input type="hidden" name="token" value="'.getToken().'">'.$returnurl_html.'</form></div>';
$onload = 'onload="document.loginform.login.focus();"';
$data = array('pageheader'=>$loginform,'body'=>'','onload'=>$onload);
templatePage($data);
exit;
}
-
// -------- User wants to logout.
if (startswith($_SERVER["QUERY_STRING"],'do=logout'))
{
logout();
header('Location: ?');
exit;
- }
+ }
+
+ // -------- Tag cloud
+ if (startswith($_SERVER["QUERY_STRING"],'do=tagcloud'))
+ {
+ $tags= $LINKSDB->allTags();
+ // 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);
+ $cloud='';
+ foreach($tags as $key=>$value)
+ {
+ $size = max(40*$value/$maxcount,8); // Minimum size 8.
+ $colorvalue = 128-ceil(127*$value/$maxcount);
+ $color='rgb('.$colorvalue.','.$colorvalue.','.$colorvalue.')';
+ $cloud.= '<span style="color:#99f; font-size:9pt; padding-left:5px; padding-right:2px;">'.$value.'</span><a href="?searchtags='.htmlspecialchars($key).'" style="font-size:'.$size.'pt; font-weight:bold; color:'.$color.';">'.htmlspecialchars($key).'</a> ';
+ }
+ $cloud='<div id="cloudtag">'.$cloud.'</div>';
+ $data = array('pageheader'=>'','body'=>$cloud,'onload'=>'');
+ templatePage($data);
+ exit;
+ }
// -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...)
if (isset($_GET['addtag']))
// Get previous URL (http_referer) and add the tag to the searchtags parameters in query.
if (empty($_SERVER['HTTP_REFERER'])) { header('Location: ?searchtags='.urlencode($_GET['addtag'])); exit; } // In case browser does not send HTTP_REFERER
parse_str(parse_url($_SERVER['HTTP_REFERER'],PHP_URL_QUERY), $params);
- $params['searchtags'] = (empty($params['searchtags']) ? trim($_GET['addtag']) : trim($params['searchtags'].' '.urlencode($_GET['addtag'])));
+ $params['searchtags'] = (empty($params['searchtags']) ? trim($_GET['addtag']) : trim($params['searchtags']).' '.urlencode(trim($_GET['addtag'])));
unset($params['page']); // We also remove page (keeping the same page has no sense, since the results are different)
header('Location: ?'.http_build_query($params));
exit;
// Show login screen, then redirect to ?post=...
if (isset($_GET['post']))
{
- header('Location: ?do=login&post='.urlencode($_GET['post']).(isset($_GET['source'])?'&source='.urlencode($_GET['source']):'')); // Redirect to login page, then back to post link.
+ header('Location: ?do=login&post='.urlencode($_GET['post']).(isset($_GET['title'])?'&title='.urlencode($_GET['title']):'').(isset($_GET['source'])?'&source='.urlencode($_GET['source']):'')); // Redirect to login page, then back to post link.
exit;
}
$searchform=<<<HTML
<div id="headerform" style="width:100%; white-space:nowrap;";>
<form method="GET" name="searchform" style="display:inline;"><input type="text" name="searchterm" style="width:50%" value=""> <input type="submit" value="Search" class="bigbutton"></form>
- <form method="GET" name="tagfilter" style="display:inline;padding-left:24px;"><input type="text" name="searchtags" style="width:20%" value=""> <input type="submit" value="Filter by tag" class="bigbutton"></form>
+ <form method="GET" name="tagfilter" style="display:inline;padding-left:24px;"><input type="text" name="searchtags" id="searchtags" style="width:20%" value=""> <input type="submit" value="Filter by tag" class="bigbutton"></form>
</div>
HTML;
- $onload = 'document.searchform.searchterm.focus();';
- $data = array('pageheader'=>$searchform,'body'=>templateLinkList(),'onload'=>$onload);
+ $data = array('pageheader'=>$searchform,'body'=>templateLinkList(),'onload'=>'');
templatePage($data);
- exit; // Never remove this one !
+ exit; // Never remove this one ! All operations below are reserved for logged in user.
}
// -------- All other functions are reserved for the registered user:
{
$pageabsaddr=serverUrl().$_SERVER["SCRIPT_NAME"]; // Why doesn't php have a built-in function for that ?
// The javascript code for the bookmarklet:
+ $changepwd = (OPEN_SHAARLI ? '' : '<a href="?do=changepasswd"><b>Change password</b></a> - Change your password.<br><br>' );
$toolbar= <<<HTML
<div id="headerform"><br>
+ {$changepwd}
+ <a href="?do=configure"><b>Configure your Shaarli</b></a> - Change Title, timezone...<br><br>
+ <a href="?do=changetag"><b>Rename/delete tags</b></a> - Rename or delete a tag in all links.<br><br>
<a href="?do=import"><b>Import</b></a> - Import Netscape html bookmarks (as exported from Firefox, Chrome, Opera, delicious...)<br><br>
<a href="?do=export"><b>Export</b></a> - Export Netscape html bookmarks (which can be imported in Firefox, Chrome, Opera, delicious...)<br><br>
<a class="smallbutton" style="color:black;" onclick="alert('Drag this link to your bookmarks toolbar, or right-click it and choose Bookmark This Link...');return false;" href="javascript:javascript:(function(){var%20url%20=%20location.href;var%20title%20=%20document.title%20||%20url;window.open('{$pageabsaddr}?post='%20+%20encodeURIComponent(url)+'&title='%20+%20encodeURIComponent(title)+'&source=bookmarklet','_blank','menubar=no,height=400,width=608,toolbar=no,scrollbars=no,status=no');})();">Shaare link</a> - Drag this link to your bookmarks toolbar (or right-click it and choose Bookmark This Link....). Then click "Shaare link" button in any page you want to share.<br><br>
templatePage($data);
exit;
}
+
+ // -------- User wants to change his/her password.
+ if (startswith($_SERVER["QUERY_STRING"],'do=changepasswd'))
+ {
+ if (OPEN_SHAARLI) die('You are not supposed to change a password on an Open Shaarli.');
+ if (!empty($_POST['setpassword']) && !empty($_POST['oldpassword']))
+ {
+ if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away !
+
+ // Make sure old password is correct.
+ $oldhash = sha1($_POST['oldpassword'].$GLOBALS['login'].$GLOBALS['salt']);
+ if ($oldhash!=$GLOBALS['hash']) { echo '<script language="JavaScript">alert("The old password is not correct.");document.location=\'?do=changepasswd\';</script>'; exit; }
+ // Save new password
+ $GLOBALS['salt'] = sha1(uniqid('',true).'_'.mt_rand()); // Salt renders rainbow-tables attacks useless.
+ $GLOBALS['hash'] = sha1($_POST['setpassword'].$GLOBALS['login'].$GLOBALS['salt']);
+ writeConfig();
+ echo '<script language="JavaScript">alert("Your password has been changed.");document.location=\'?do=tools\';</script>';
+ exit;
+ }
+ else
+ {
+ $token = getToken();
+ $changepwdform= <<<HTML
+<form method="POST" action="" name="changepasswordform" style="padding:10 10 10 10;">
+Old password: <input type="password" name="oldpassword">
+New password: <input type="password" name="setpassword">
+<input type="hidden" name="token" value="{$token}">
+<input type="submit" name="Save" value="Save password" class="bigbutton"></form>
+HTML;
+ $data = array('pageheader'=>$changepwdform,'body'=>'','onload'=>'onload="document.changepasswordform.oldpassword.focus();"');
+ templatePage($data);
+ exit;
+ }
+ }
+
+ // -------- User wants to change configuration
+ if (startswith($_SERVER["QUERY_STRING"],'do=configure'))
+ {
+ if (!empty($_POST['title']) )
+ {
+ if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away !
+ $tz = 'UTC';
+ if (!empty($_POST['continent']) && !empty($_POST['city']))
+ if (isTZvalid($_POST['continent'],$_POST['city']))
+ $tz = $_POST['continent'].'/'.$_POST['city'];
+ $GLOBALS['timezone'] = $tz;
+ $GLOBALS['title']=$_POST['title'];
+ writeConfig();
+ echo '<script language="JavaScript">alert("Configuration was saved.");document.location=\'?do=tools\';</script>';
+ exit;
+ }
+ else
+ {
+ $token = getToken();
+ $title = htmlspecialchars( empty($GLOBALS['title']) ? '' : $GLOBALS['title'] , ENT_QUOTES);
+ list($timezone_form,$timezone_js) = templateTZform($GLOBALS['timezone']);
+ $timezone_html=''; if ($timezone_form!='') $timezone_html='<tr><td valign="top"><b>Timezone:</b></td><td>'.$timezone_form.'</td></tr>';
+ $changepwdform= <<<HTML
+${timezone_js}<form method="POST" action="" name="configform" id="configform"><input type="hidden" name="token" value="{$token}">
+<table border="0" cellpadding="20">
+<tr><td><b>Page title:</b></td><td><input type="text" name="title" id="title" size="50" value="{$title}"></td></tr>
+{$timezone_html}
+<tr><td></td><td align="right"><input type="submit" name="Save" value="Save config" class="bigbutton"></td></tr>
+</table>
+</form>
+HTML;
+ $data = array('pageheader'=>$changepwdform,'body'=>'','onload'=>'onload="document.configform.title.focus();"');
+ templatePage($data);
+ exit;
+ }
+ }
+
+ // -------- User wants to rename a tag or delete it
+ if (startswith($_SERVER["QUERY_STRING"],'do=changetag'))
+ {
+ if (empty($_POST['fromtag']))
+ {
+ $token = getToken();
+ $changetagform = <<<HTML
+<form method="POST" action="" name="changetag" style="padding:10 10 10 10;">
+<input type="hidden" name="token" value="{$token}">
+Tag: <input type="text" name="fromtag" id="fromtag">
+<input type="text" name="totag" style="margin-left:40px;"><input type="submit" name="renametag" value="Rename tag" class="bigbutton">
+ or <input type="submit" name="deletetag" value="Delete tag" class="bigbutton" onClick="return confirmDeleteTag();"><br>(Case sensitive)</form>
+<script language="JavaScript">function confirmDeleteTag() { var agree=confirm("Are you sure you want to delete this tag from all links ?"); if (agree) return true ; else return false ; }</script>
+HTML;
+ $data = array('pageheader'=>$changetagform,'body'=>'','onload'=>'onload="document.changetag.fromtag.focus();"');
+ templatePage($data);
+ exit;
+ }
+ if (!tokenOk($_POST['token'])) die('Wrong token.');
+
+ if (!empty($_POST['deletetag']) && !empty($_POST['fromtag']))
+ {
+ $needle=trim($_POST['fromtag']);
+ $linksToAlter = $LINKSDB->filterTags($needle,true); // true for case-sensitive tag search.
+ foreach($linksToAlter as $key=>$value)
+ {
+ $tags = explode(' ',trim($value['tags']));
+ unset($tags[array_search($needle,$tags)]); // Remove tag.
+ $value['tags']=trim(implode(' ',$tags));
+ $LINKSDB[$key]=$value;
+ }
+ $LINKSDB->savedb(); // save to disk
+ invalidateCaches();
+ echo '<script language="JavaScript">alert("Tag was removed from '.count($linksToAlter).' links.");document.location=\'?\';</script>';
+ exit;
+ }
+
+ // Rename a tag:
+ if (!empty($_POST['renametag']) && !empty($_POST['fromtag']) && !empty($_POST['totag']))
+ {
+ $needle=trim($_POST['fromtag']);
+ $linksToAlter = $LINKSDB->filterTags($needle,true); // true for case-sensitive tag search.
+ foreach($linksToAlter as $key=>$value)
+ {
+ $tags = explode(' ',trim($value['tags']));
+ $tags[array_search($needle,$tags)] = trim($_POST['totag']); // Remplace tags value.
+ $value['tags']=trim(implode(' ',$tags));
+ $LINKSDB[$key]=$value;
+ }
+ $LINKSDB->savedb(); // save to disk
+ invalidateCaches();
+ echo '<script language="JavaScript">alert("Tag was renamed in '.count($linksToAlter).' links.");document.location=\'?searchtags='.urlencode($_POST['totag']).'\';</script>';
+ exit;
+ }
+ }
// -------- User wants to add a link without using the bookmarklet: show form.
if (startswith($_SERVER["QUERY_STRING"],'do=addlink'))
{
- $onload = 'document.addform.post.focus();';
+ $onload = 'onload="document.addform.post.focus();"';
$addform= '<div id="headerform"><form method="GET" action="" name="addform"><input type="text" name="post" style="width:70%;"> <input type="submit" value="Add link" class="bigbutton"></div>';
$data = array('pageheader'=>$addform,'body'=>'','onload'=>$onload);
templatePage($data);
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.
$linkdate=$_POST['lf_linkdate'];
$link = array('title'=>trim($_POST['lf_title']),'url'=>trim($_POST['lf_url']),'description'=>trim($_POST['lf_description']),'private'=>(isset($_POST['lf_private']) ? 1 : 0),
- 'linkdate'=>$linkdate,'tags'=>trim($_POST['lf_tags']));
+ 'linkdate'=>$linkdate,'tags'=>str_replace(',',' ',$tags));
if ($link['title']=='') $link['title']=$link['url']; // If title is empty, use the URL as title.
$LINKSDB[$linkdate] = $link;
$LINKSDB->savedb(); // save to disk
<div id="headerform">
Import Netscape html bookmarks (as exported from Firefox/Chrome/Opera/delicious/diigo...) (Max: {$maxfilesize} bytes).
<form method="POST" action="?do=upload" enctype="multipart/form-data" name="uploadform">
- <input type="hidden" name="token" value="{$token}">
+ <input type="hidden" name="token" value="{$token}">
<input type="file" name="filetoupload" size="80">
<input type="hidden" name="MAX_FILE_SIZE" value="{$maxfilesize}">
<input type="submit" name="import_file" value="Import" class="bigbutton"><br>
- <input type="checkbox" name="private"> Import all links as private<br>
- <input type="checkbox" name="overwrite"> Overwrite existing links
+ <input type="checkbox" name="private"> Import all links as private<br>
+ <input type="checkbox" name="overwrite"> Overwrite existing links
</form>
</div>
HTML;
$searchform=<<<HTML
<div id="headerform" style="width:100%; white-space:nowrap;";>
<form method="GET" name="searchform" style="display:inline;"><input type="text" name="searchterm" style="width:50%" value=""> <input type="submit" value="Search" class="bigbutton"></form>
- <form method="GET" name="tagfilter" style="display:inline;padding-left:24px;"><input type="text" name="searchtags" style="width:20%" value=""> <input type="submit" value="Filter by tag" class="bigbutton"></form>
+ <form method="GET" name="tagfilter" style="display:inline;padding-left:24px;"><input type="text" name="searchtags" id="searchtags" style="width:20%" value=""> <input type="submit" value="Filter by tag" class="bigbutton"></form>
</div>
HTML;
- $onload = 'document.searchform.searchterm.focus();';
- $data = array('pageheader'=>$searchform,'body'=>templateLinkList(),'onload'=>$onload);
+ $data = array('pageheader'=>$searchform,'body'=>templateLinkList(),'onload'=>'');
templatePage($data);
exit;
}
$searched='';
if (!empty($_GET['searchterm'])) // Fulltext search
{
- $linksToDisplay = $LINKSDB->filterFulltext($_GET['searchterm']);
- $searched=' <b>'.count($linksToDisplay).' results for <i>'.htmlspecialchars($_GET['searchterm']).'</i></b>:';
+ $linksToDisplay = $LINKSDB->filterFulltext(trim($_GET['searchterm']));
+ $searched=' <b>'.count($linksToDisplay).' results for <i>'.htmlspecialchars(trim($_GET['searchterm'])).'</i></b>:';
}
elseif (!empty($_GET['searchtags'])) // Search by tag
{
- $linksToDisplay = $LINKSDB->filterTags($_GET['searchtags']);
- $tagshtml=''; foreach(explode(' ',$_GET['searchtags']) as $tag) $tagshtml.='<span class="linktag" title="Remove tag"><a href="?removetag='.htmlspecialchars($tag).'">'.htmlspecialchars($tag).' <span style="border-left:1px solid #aaa; padding-left:5px; color:#6767A7;">x</span></a></span> ';
+ $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags']));
+ $tagshtml=''; foreach(explode(' ',trim($_GET['searchtags'])) as $tag) $tagshtml.='<span class="linktag" title="Remove tag"><a href="?removetag='.htmlspecialchars($tag).'">'.htmlspecialchars($tag).' <span style="border-left:1px solid #aaa; padding-left:5px; color:#6767A7;">x</span></a></span> ';
$searched=' <b>'.count($linksToDisplay).' results for tags '.$tagshtml.':</b>';
}
else
if (isLoggedIn()) $actions=' <form method="GET" class="buttoneditform"><input type="hidden" name="edit_link" value="'.$link['linkdate'].'"><input type="submit" value="Edit" class="smallbutton"></form>';
$tags='';
if ($link['tags']!='') foreach(explode(' ',$link['tags']) as $tag) { $tags.='<span class="linktag" title="Add tag"><a href="?addtag='.htmlspecialchars($tag).'">'.htmlspecialchars($tag).'</a></span> '; }
- $linklist.='<li '.$classprivate.'><span class="linktitle"><a href="'.htmlspecialchars($link['url']).'">'.htmlspecialchars($title).'</a></span>'.$actions.'<br>';
+ $linklist.='<li '.$classprivate.'>'.thumbnail($link['url']);
+ $linklist.='<div class="linkcontainer"><span class="linktitle"><a href="'.htmlspecialchars($link['url']).'">'.htmlspecialchars($title).'</a></span>'.$actions.'<br>';
if ($description!='') $linklist.='<div class="linkdescription">'.nl2br(htmlspecialchars($description)).'</div><br>';
- $linklist.='<span class="linkdate">'.htmlspecialchars(linkdate2locale($link['linkdate'])).' - </span><span class="linkurl">'.htmlspecialchars($link['url']).'</span><br>'.$tags."</li>\n";
+ if (!HIDE_TIMESTAMPS || isLoggedIn()) $linklist.='<span class="linkdate">'.htmlspecialchars(linkdate2locale($link['linkdate'])).' - </span>';
+ $linklist.='<span class="linkurl">'.htmlspecialchars($link['url']).'</span><br>'.$tags."</div></li>\n";
$i++;
}
return $linklist;
}
+// Returns the HTML code to display a thumbnail for a link.
+// Understands various services (youtube.com...)
+function thumbnail($url)
+{
+ if (!ENABLE_THUMBNAILS) return '';
+
+ // For most hosts, the URL of the thumbnail can be easily deduced from the URL of the link.
+ // (eg. http://www.youtube.com/watch?v=spVypYk4kto ---> http://img.youtube.com/vi/spVypYk4kto/2.jpg )
+ // ^^^^^^^^^^^ ^^^^^^^^^^^
+ $domain = parse_url($url,PHP_URL_HOST);
+ 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 '<div class="thumbnail"><a href="'.htmlspecialchars($url).'"><img src="http://img.youtube.com/vi/'.htmlspecialchars($params['v']).'/2.jpg" width="120" height="90"></a></div>';
+ }
+ if ($domain=='imgur.com')
+ {
+ $path = parse_url($url,PHP_URL_PATH);
+ if (substr_count($path,'/')==1) return '<div class="thumbnail"><a href="'.htmlspecialchars($url).'"><img src="http://i.imgur.com/'.htmlspecialchars(substr($path,1)).'s.jpg" width="90" height="90"></a></div>';
+ }
+ if ($domain=='i.imgur.com')
+ {
+ $pi = pathinfo(parse_url($url,PHP_URL_PATH));
+ if (!empty($pi['filename'])) return '<div class="thumbnail"><a href="'.htmlspecialchars($url).'"><img src="http://i.imgur.com/'.htmlspecialchars($pi['filename']).'s.jpg" width="90" height="90"></a></div>';
+ }
+ if ($domain=='dailymotion.com' || $domain=='www.dailymotion.com')
+ {
+ if (strpos($url,'dailymotion.com/video/'))
+ {
+ $thumburl=str_replace('dailymotion.com/video/','dailymotion.com/thumbnail/video/',$url);
+ return '<div class="thumbnail"><a href="'.htmlspecialchars($url).'"><img src="'.htmlspecialchars($thumburl).'" width="120" style="height:auto;"></a></div>';
+ }
+ }
+ if (endsWith($domain,'.imageshack.us'))
+ {
+ $ext=strtolower(pathinfo($url,PATHINFO_EXTENSION));
+ if ($ext=='jpg' || $ext=='jpeg' || $ext=='png' || $ext=='gif')
+ {
+ $thumburl = substr($url,0,strlen($url)-strlen($ext)).'th.'.$ext;
+ return '<div class="thumbnail"><a href="'.htmlspecialchars($url).'"><img src="'.htmlspecialchars($thumburl).'" width="120" style="height:auto;"></a></div>';
+ }
+ }
+
+ // Some other hosts are SLOW AS HELL and usually require an extra HTTP request to get the thumbnail URL.
+ // So we deport the thumbnail generation in order not to slow down page generation
+ // (and we also cache the thumbnail)
+ if ($domain=='flickr.com' || endsWith($domain,'.flickr.com') || $domain=='vimeo.com')
+ {
+ $sign = hash_hmac('sha256', $url, $GLOBALS['salt']); // We use the salt to sign data (it's random, secret, and specific to each installation)
+ return '<div class="thumbnail"><a href="'.htmlspecialchars($url).'"><img src="?do=genthumbnail&hmac='.htmlspecialchars($sign).'&url='.urlencode($url).'" width="120" style="height:auto;"></a></div>';
+ }
+
+ return ''; // No thumbnail.
+
+}
+
// -----------------------------------------------------------------------------------------------
// Template for the whole page.
/* Input: $data (associative array).
global $STARTTIME;
global $LINKSDB;
$shaarli_version = shaarli_version;
+
+ $newversion=checkUpdate();
+ if ($newversion!='') $newversion='<div id="newversion"><span style="text-decoration:blink;">●</span> Shaarli '.htmlspecialchars($newversion).' is <a href="http://sebsauvage.net/wiki/doku.php?id=php:shaarli#download">available</a>.</div>';
$linkcount = count($LINKSDB);
$open='';
if (OPEN_SHAARLI)
$open='Open ';
}
else
- $menu=(isLoggedIn() ? ' <a href="?do=logout">Logout</a> <a href="?do=tools">Tools</a> <a href="?do=addlink"><b>Add link</b></a>' : ' <a href="?do=login">Login</a>');
+ $menu=(isLoggedIn() ? ' <a href="?do=logout">Logout</a> <a href="?do=tools">Tools</a> <a href="?do=addlink"><b>Add link</b></a>' : ' <a href="?do=login">Login</a>');
+
foreach(array('pageheader','body','onload') as $k) // make sure all required fields exist (put an empty string if not).
{
if (!array_key_exists($k,$data)) $data[$k]='';
if (OPEN_SHAARLI || isLoggedIn())
{
$jsincludes='<script language="JavaScript" src="jquery.min.js"></script><script language="JavaScript" src="jquery-ui.custom.min.js"></script>';
- $source = serverUrl().$_SERVER['SCRIPT_NAME'].'?ws=tags';
+ $source = serverUrl().$_SERVER['SCRIPT_NAME'];
$jsincludes_bottom = <<<JS
-<script language="JavaScript">
+<script language="JavaScript">
$(document).ready(function()
{
- $('#lf_tags').autocomplete({source:'{$source}',minLength:0});
-});
-</script>
+ $('#lf_tags').autocomplete({source:'{$source}?ws=tags',minLength:1});
+ $('#searchtags').autocomplete({source:'{$source}?ws=tags',minLength:1});
+ $('#fromtag').autocomplete({source:'{$source}?ws=singletag',minLength:1});
+});
+</script>
JS;
}
- $feedurl=htmlspecialchars(serverUrl().$_SERVER['SCRIPT_NAME'].'?do=rss');
+ $feedurl=htmlspecialchars(serverUrl().$_SERVER['SCRIPT_NAME']);
+ if (!empty($_GET['searchtags'])) $feedurl.='&searchtags='.$_GET['searchtags'];
+ elseif (!empty($_GET['searchterm'])) $feedurl.='&searchterm='.$_GET['searchterm'];
+
+ $title = htmlspecialchars( $GLOBALS['title'] );
echo <<<HTML
<html>
<head>
-<title>{$open}Shaarli - Let's shaare your links...</title>
+<title>{$title}</title>
<link rel="alternate" type="application/rss+xml" href="{$feedurl}" />
<link type="text/css" rel="stylesheet" href="shaarli.css" />
{$jsincludes}
</head>
-<body {$data['onload']}>
+<body {$data['onload']}>{$newversion}
<div id="pageheader"><div style="float:right; font-style:italic; color:#bbb; text-align:right; padding:0 5 0 0;">Shaare your links...<br>{$linkcount} links</div>
- <b><i>{$open}Shaarli {$shaarli_version}</i></b> - <a href="?">Home</a> {$menu} <a href="{$feedurl}" style="padding-left:30px;">RSS Feed</a>
-{$data['pageheader']}
+ <b><i>{$title}</i></b> - <a href="?">Home</a> {$menu} <a href="{$feedurl}?do=rss" style="padding-left:30px;">RSS Feed</a> <a href="{$feedurl}?do=atom" style="padding-left:10px;">ATOM Feed</a>
+ <a href="?do=tagcloud">Tag cloud</a>
+{$data['pageheader']}
</div>
{$data['body']}
if (!empty($_POST['setlogin']) && !empty($_POST['setpassword']))
{
- $tz=(empty($_POST['settimezone']) ? 'UTC':$_POST['settimezone']);
+ $tz = 'UTC';
+ if (!empty($_POST['continent']) && !empty($_POST['city']))
+ if (isTZvalid($_POST['continent'],$_POST['city']))
+ $tz = $_POST['continent'].'/'.$_POST['city'];
+ $GLOBALS['timezone'] = $tz;
// Everything is ok, let's create config file.
- $salt=sha1(uniqid('',true).'_'.mt_rand()); // Salt renders rainbow-tables attacks useless.
- $hash = sha1($_POST['setpassword'].$_POST['setlogin'].$salt);
- $config='<?php $GLOBALS[\'login\']='.var_export($_POST['setlogin'],true).'; $GLOBALS[\'hash\']='.var_export($hash,true).'; $GLOBALS[\'salt\']='.var_export($salt,true).'; date_default_timezone_set('.var_export($tz,true).'); ?>';
- if (!file_put_contents(CONFIG_FILE,$config) || strcmp(file_get_contents(CONFIG_FILE),$config)!=0)
- {
- echo '<script language="JavaScript">alert("Shaarli could not create the config file. Please make sure Shaarli has the right to write in the folder is it installed in.");document.location=\'?\';</script>';
- exit;
- }
+ $GLOBALS['login'] = $_POST['setlogin'];
+ $GLOBALS['salt'] = sha1(uniqid('',true).'_'.mt_rand()); // Salt renders rainbow-tables attacks useless.
+ $GLOBALS['hash'] = sha1($_POST['setpassword'].$GLOBALS['login'].$GLOBALS['salt']);
+ $GLOBALS['title'] = (empty($_POST['title']) ? 'Shared links on '.htmlspecialchars(serverUrl().$_SERVER['SCRIPT_NAME']) : $_POST['title'] );
+ writeConfig();
echo '<script language="JavaScript">alert("Shaarli is now configured. Please enter your login/password and start shaaring your links !");document.location=\'?do=login\';</script>';
exit;
- }
- // Display config form:
- $timezoneselect='';
- if (function_exists('timezone_identifiers_list')) // because of old php version (5.1) which can be found on free.fr
- {
- $timezones='';
- foreach(timezone_identifiers_list() as $tz) $timezones.='<option value="'.htmlspecialchars($tz).'">'.htmlspecialchars($tz)."</option>\n";
- $timezoneselect='Timezone: <select name="settimezone"><option value="" selected>(please select:)</option>'.$timezones.'</select><br><br>';
}
+
+ // Display config form:
+ list($timezone_form,$timezone_js) = templateTZform();
+ $timezone_html=''; if ($timezone_form!='') $timezone_html='<tr><td valign="top"><b>Timezone:</b></td><td>'.$timezone_form.'</td></tr>';
echo <<<HTML
-<html><head><title>Shaarli - Configuration</title><link type="text/css" rel="stylesheet" href="shaarli.css" /></head>
-<body onload="document.configform.setlogin.focus();" style="padding:20px;"><h1>Shaarli - Shaare your links...</h1>
-It looks like it's the first time you run Shaarli. Please chose a login/password and a timezone:<br>
-<form method="POST" action="" name="configform" style="border:1px solid black; padding:10 10 10 10;">
-Login: <input type="text" name="setlogin"><br><br>Password: <input type="password" name="setpassword"><br><br>
-{$timezoneselect}
-<input type="submit" name="Save" value="Save config" class="bigbutton"></form></body></html>
+<html><head><title>Shaarli - Configuration</title><link type="text/css" rel="stylesheet" href="shaarli.css" />${timezone_js}</head>
+<body onload="document.installform.setlogin.focus();" style="padding:20px;"><h1>Shaarli - Shaare your links...</h1>
+It looks like it's the first time you run Shaarli. Please configure it:<br>
+<form method="POST" action="" name="installform" id="installform" style="border:1px solid black; padding:10 10 10 10;">
+<table border="0" cellpadding="20">
+<tr><td><b>Login:</b></td><td><input type="text" name="setlogin" size="30"></td></tr>
+<tr><td><b>Password:</b></td><td><input type="password" name="setpassword" size="30"></td></tr>
+{$timezone_html}
+<tr><td><b>Page title:</b></td><td><input type="text" name="title" size="30"></td></tr>
+<tr><td></td><td align="right"><input type="submit" name="Save" value="Save config" class="bigbutton"></td></tr>
+</table>
+</form></body></html>
HTML;
exit;
}
+// Generates the timezone selection form and javascript.
+// Input: (optional) current timezone (can be 'UTC/UTC'). It will be pre-selected.
+// Output: array(html,js)
+// Example: list($htmlform,$js) = templateTZform('Europe/Paris'); // Europe/Paris pre-selected.
+// Returns array('','') if server does not support timezones list. (eg. php 5.1 on free.fr)
+function templateTZform($ptz=false)
+{
+ if (function_exists('timezone_identifiers_list')) // because of old php version (5.1) which can be found on free.fr
+ {
+ // Try to split the provided timezone.
+ if ($ptz==false) { $l=timezone_identifiers_list(); $ptz=$l[0]; }
+ $spos=strpos($ptz,'/'); $pcontinent=substr($ptz,0,$spos); $pcity=substr($ptz,$spos+1);
+
+ // Display config form:
+ $timezone_form = '';
+ $timezone_js = '';
+ // The list is in the forme "Europe/Paris", "America/Argentina/Buenos_Aires"...
+ // We split the list in continents/cities.
+ $continents = array();
+ $cities = array();
+ foreach(timezone_identifiers_list() as $tz)
+ {
+ if ($tz=='UTC') $tz='UTC/UTC';
+ $spos = strpos($tz,'/');
+ if ($spos)
+ {
+ $continent=substr($tz,0,$spos); $city=substr($tz,$spos+1);
+ $continents[$continent]=1;
+ if (!isset($cities[$continent])) $cities[$continent]=array();
+ $cities[$continent].='<option value="'.$city.'"'.($pcity==$city?'selected':'').'>'.$city.'</option>';
+ }
+ }
+ $continents_html = '';
+ $continents = array_keys($continents);
+ foreach($continents as $continent)
+ $continents_html.='<option value="'.$continent.'"'.($pcontinent==$continent?'selected':'').'>'.$continent.'</option>';
+ $cities_html = $cities[$pcontinent];
+ $timezone_form = "Continent: <select name=\"continent\" id=\"continent\" onChange=\"onChangecontinent();\">${continents_html}</select><br /><br />";
+ $timezone_form .= "City: <select name=\"city\" id=\"city\">${cities[$pcontinent]}</select><br /><br />";
+ $timezone_js = "<script language=\"JavaScript\">";
+ $timezone_js .= "function onChangecontinent(){document.getElementById(\"city\").innerHTML = citiescontinent[document.getElementById(\"continent\").value];}";
+ $timezone_js .= "var citiescontinent = ".json_encode($cities).";" ;
+ $timezone_js .= "</script>" ;
+ return array($timezone_form,$timezone_js);
+ }
+ return array('','');
+}
+
+// Tells if a timezone is valid or not.
+// If not valid, returns false.
+// If system does not support timezone list, returns false.
+function isTZvalid($continent,$city)
+{
+ $tz = $continent.'/'.$city;
+ if (function_exists('timezone_identifiers_list')) // because of old php version (5.1) which can be found on free.fr
+ {
+ if (in_array($tz, timezone_identifiers_list())) // it's a valid timezone ?
+ return true;
+ }
+ return false;
+}
+
+
// Webservices (for use with jQuery/jQueryUI)
// eg. index.php?ws=tags&term=minecr
function processWS()
global $LINKSDB;
header('Content-Type: application/json; charset=utf-8');
- // Search in tags
+ // Search in tags (case insentitive, cumulative search)
if ($_GET['ws']=='tags')
{
- $tags=explode(' ',$term); $last = array_pop($tags); // Get the last term ("a b c d" ==> "a b c", "d")
+ $tags=explode(' ',str_replace(',',' ',$term)); $last = array_pop($tags); // Get the last term ("a b c d" ==> "a b c", "d")
$addtags=''; if ($tags) $addtags=implode(' ',$tags).' '; // We will pre-pend previous tags
$suggested=array();
/* To speed up things, we store list of tags in session */
if (empty($_SESSION['tags'])) $_SESSION['tags'] = $LINKSDB->allTags();
foreach($_SESSION['tags'] as $key=>$value)
{
- if (startsWith($key,$last,$case=false)) $suggested[$addtags.$key.' ']=0;
+ if (startsWith($key,$last,$case=false) && !in_array($key,$tags)) $suggested[$addtags.$key.' ']=0;//FIXME
}
echo json_encode(array_keys($suggested));
exit;
}
+
+ // Search a single tag (case sentitive, single tag search)
+ if ($_GET['ws']=='singletag')
+ {
+ /* To speed up things, we store list of tags in session */
+ if (empty($_SESSION['tags'])) $_SESSION['tags'] = $LINKSDB->allTags();
+ foreach($_SESSION['tags'] as $key=>$value)
+ {
+ if (startsWith($key,$term,$case=true)) $suggested[$key]=0;
+ }
+ echo json_encode(array_keys($suggested));
+ exit;
+ }
+}
+
+// Re-write configuration file according to globals.
+// Requires some $GLOBALS to be set (login,hash,salt,title).
+// If the config file cannot be saved, an error message is dislayed and the user is redirected to "Tools" menu.
+// (otherwise, the function simply returns.)
+function writeConfig()
+{
+ if (is_file(CONFIG_FILE) && !isLoggedIn()) die('You are not authorized to alter config.'); // Only logged in user can alter config.
+ $config='<?php $GLOBALS[\'login\']='.var_export($GLOBALS['login'],true).'; $GLOBALS[\'hash\']='.var_export($GLOBALS['hash'],true).'; $GLOBALS[\'salt\']='.var_export($GLOBALS['salt'],true).'; ';
+ $config .='$GLOBALS[\'timezone\']='.var_export($GLOBALS['timezone'],true).'; date_default_timezone_set('.var_export($GLOBALS['timezone'],true).'); $GLOBALS[\'title\']='.var_export($GLOBALS['title'],true).'; ?>';
+ if (!file_put_contents(CONFIG_FILE,$config) || strcmp(file_get_contents(CONFIG_FILE),$config)!=0)
+ {
+ echo '<script language="JavaScript">alert("Shaarli could not create the config file. Please make sure Shaarli has the right to write in the folder is it installed in.");document.location=\'?\';</script>';
+ exit;
+ }
+}
+
+/* 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 (eg. a flickr page) and return the proper thumbnail.
+ This function is called by passing the url:
+ http://mywebsite.com/shaarli/?do=genthumbnail&hmac=[HMAC]&url=[URL]
+ [URL] is the URL of the link (eg. a flickr page)
+ [HMAC] is the signature for the [URL] (so that these URL cannot be forged).
+ The function below will fetch the image from the webservice and store it in the cache.
+*/
+function genThumbnail()
+{
+ // Make sure the parameters in the URL were generated by us.
+ $sign = hash_hmac('sha256', $_GET['url'], $GLOBALS['salt']);
+ if ($sign!=$_GET['hmac']) die('Naughty boy !');
+
+ // Let's see if we don't already have the image for this URL in the cache.
+ $thumbname=hash('sha1',$_GET['url']).'.jpg';
+ if (is_file(CACHEDIR.'/'.$thumbname))
+ { // We have the thumbnail, just serve it:
+ header('Content-Type: image/jpeg');
+ echo file_get_contents(CACHEDIR.'/'.$thumbname);
+ return;
+ }
+ // We may also serve a blank image (if service did not respond)
+ $blankname=hash('sha1',$_GET['url']).'.gif';
+ if (is_file(CACHEDIR.'/'.$blankname))
+ {
+ header('Content-Type: image/gif');
+ echo file_get_contents(CACHEDIR.'/'.$blankname);
+ return;
+ }
+
+ // Otherwise, generate the thumbnail.
+ $url = $_GET['url'];
+ $domain = parse_url($url,PHP_URL_HOST);
+
+ if ($domain=='flickr.com' || endsWith($domain,'.flickr.com'))
+ {
+ // WTF ? I need a flickr API key to get a fucking thumbnail ? No way.
+ // I'll extract the thumbnail URL myself. First, we have to get the flickr HTML page.
+ // All images in Flickr are in the form:
+ // http://farm[farm].static.flickr.com/[server]/[id]_[secret]_[size].jpg
+ // Example: http://farm7.static.flickr.com/6205/6088513739_fc158467fe_z.jpg
+ // We want the 240x120 format, which is _m.jpg.
+ // We search for the first image in the page which does not have the _s size,
+ // when use the _m to get the thumbnail.
+
+ // Is this a link to an image, or to a flickr page ?
+ $imageurl='';
+ logm('url: '.$url);
+ if (endswith(parse_url($url,PHP_URL_PATH),'.jpg'))
+ { // This is a direct link to an image. eg. http://farm1.static.flickr.com/5/5921913_ac83ed27bd_o.jpg
+ preg_match('!(http://farm\d+.static.flickr.com/\d+/\d+_\w+_)\w.jpg!',$url,$matches);
+ if (!empty($matches[1])) $imageurl=$matches[1].'m.jpg';
+ }
+ else // this is a flickr page (html)
+ {
+ list($httpstatus,$headers,$data) = getHTTP($url,20); // Get the flickr html page.
+ if (strpos($httpstatus,'200 OK'))
+ {
+ preg_match('!(http://farm\d+.static.flickr.com/\d+/\d+_\w+_)[^s].jpg!',$data,$matches);
+ if (!empty($matches[1])) $imageurl=$matches[1].'m.jpg';
+ }
+ }
+ if ($imageurl!='')
+ { // Let's download the image.
+ list($httpstatus,$headers,$data) = getHTTP($imageurl,10); // Image is 240x120, so 10 seconds to download should be enough.
+ if (strpos($httpstatus,'200 OK'))
+ {
+ file_put_contents(CACHEDIR.'/'.$thumbname,$data); // Save image to cache.
+ header('Content-Type: image/jpeg');
+ echo $data;
+ return;
+ }
+ }
+ else logm('unkown flickr url: '.$url);
+ }
+
+ if ($domain=='vimeo.com' )
+ {
+ // 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($httpstatus,$headers,$data) = getHTTP('http://vimeo.com/api/v2/video/'.htmlspecialchars($vid).'.php',5);
+ if (strpos($httpstatus,'200 OK'))
+ {
+ $t = unserialize($data);
+ $imageurl = $t[0]['thumbnail_medium'];
+ // Then we download the image and serve it to our client.
+ list($httpstatus,$headers,$data) = getHTTP($imageurl,10);
+ if (strpos($httpstatus,'200 OK'))
+ {
+ file_put_contents(CACHEDIR.'/'.$thumbname,$data); // Save image to cache.
+ header('Content-Type: image/jpeg');
+ echo $data;
+ return;
+ }
+ }
+ }
+
+ // Otherwise, return an empty image (8x8 transparent gif)
+ $blankgif = base64_decode('R0lGODlhCAAIAIAAAP///////yH5BAEKAAEALAAAAAAIAAgAAAIHjI+py+1dAAA7');
+ file_put_contents(CACHEDIR.'/'.$blankname,$blankgif); // Also put something in cache so that this URL is not requested twice.
+ header('Content-Type: image/gif');
+ echo $blankgif;
}
// Invalidate caches when the database is changed or the user logs out.
unset($_SESSION['tags']);
}
+if (startswith($_SERVER["QUERY_STRING"],'do=genthumbnail')) { genThumbnail(); exit; } // Thumbnail generation/cache does not need the link database.
$LINKSDB=new linkdb(isLoggedIn() || OPEN_SHAARLI); // Read links from database (and filter private links if used it not logged in).
if (startswith($_SERVER["QUERY_STRING"],'ws=')) { processWS(); exit; } // Webservices (for jQuery/jQueryUI)
if (!isset($_SESSION['LINKS_PER_PAGE'])) $_SESSION['LINKS_PER_PAGE']=LINKS_PER_PAGE;
if (startswith($_SERVER["QUERY_STRING"],'do=rss')) { showRSS(); exit; }
+if (startswith($_SERVER["QUERY_STRING"],'do=atom')) { showATOM(); exit; }
renderPage();
?>
\ No newline at end of file