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Commit | Line | Data |
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45034273 | 1 | <?php |
7d4263e1 | 2 | // Shaarli 0.5.0 - Shaare your links... |
ad6c27b7 | 3 | // The personal, minimalist, super-fast, no-database Delicious clone. By sebsauvage.net |
45034273 SS |
4 | // http://sebsauvage.net/wiki/doku.php?id=php:shaarli |
5 | // Licence: http://www.opensource.org/licenses/zlib-license.php | |
d1e2f8e5 | 6 | // Requires: PHP 5.3.x |
45034273 | 7 | // ----------------------------------------------------------------------------------------------- |
afd7b77b V |
8 | |
9 | // Set 'UTC' as the default timezone if it is not defined in php.ini | |
10 | // See http://php.net/manual/en/datetime.configuration.php#ini.date.timezone | |
11 | if (date_default_timezone_get() == '') { | |
12 | date_default_timezone_set('UTC'); | |
13 | } | |
cb49ab94 | 14 | |
45034273 | 15 | // ----------------------------------------------------------------------------------------------- |
dd484b90 A |
16 | // Hardcoded parameter (These parameters can be overwritten by editing the file /data/config.php) |
17 | // You should not touch any code below (or at your own risks!) | |
45034273 SS |
18 | $GLOBALS['config']['DATADIR'] = 'data'; // Data subdirectory |
19 | $GLOBALS['config']['CONFIG_FILE'] = $GLOBALS['config']['DATADIR'].'/config.php'; // Configuration file (user login/password) | |
20 | $GLOBALS['config']['DATASTORE'] = $GLOBALS['config']['DATADIR'].'/datastore.php'; // Data storage file. | |
21 | $GLOBALS['config']['LINKS_PER_PAGE'] = 20; // Default links per page. | |
22 | $GLOBALS['config']['IPBANS_FILENAME'] = $GLOBALS['config']['DATADIR'].'/ipbans.php'; // File storage for failures and bans. | |
23 | $GLOBALS['config']['BAN_AFTER'] = 4; // Ban IP after this many failures. | |
24 | $GLOBALS['config']['BAN_DURATION'] = 1800; // Ban duration for IP address after login failures (in seconds) (1800 sec. = 30 minutes) | |
25 | $GLOBALS['config']['OPEN_SHAARLI'] = false; // If true, anyone can add/edit/delete links without having to login | |
26 | $GLOBALS['config']['HIDE_TIMESTAMPS'] = false; // If true, the moment when links were saved are not shown to users that are not logged in. | |
1099d8fc | 27 | $GLOBALS['config']['SHOW_ATOM'] = false; // If true, an extra "ATOM feed" button will be displayed in the toolbar |
45034273 SS |
28 | $GLOBALS['config']['ENABLE_THUMBNAILS'] = true; // Enable thumbnails in links. |
29 | $GLOBALS['config']['CACHEDIR'] = 'cache'; // Cache directory for thumbnails for SLOW services (like flickr) | |
30 | $GLOBALS['config']['PAGECACHE'] = 'pagecache'; // Page cache directory. | |
ad6c27b7 | 31 | $GLOBALS['config']['ENABLE_LOCALCACHE'] = true; // Enable Shaarli to store thumbnail in a local cache. Disable to reduce web space usage. |
45034273 | 32 | $GLOBALS['config']['PUBSUBHUB_URL'] = ''; // PubSubHubbub support. Put an empty string to disable, or put your hub url here to enable. |
2f2aa06b V |
33 | $GLOBALS['config']['RAINTPL_TMP'] = 'tmp/' ; // Raintpl cache directory (keep the trailing slash!) |
34 | $GLOBALS['config']['RAINTPL_TPL'] = 'tpl/' ; // Raintpl template directory (keep the trailing slash!) | |
45034273 SS |
35 | $GLOBALS['config']['UPDATECHECK_FILENAME'] = $GLOBALS['config']['DATADIR'].'/lastupdatecheck.txt'; // For updates check of Shaarli. |
36 | $GLOBALS['config']['UPDATECHECK_INTERVAL'] = 86400 ; // Updates check frequency for Shaarli. 86400 seconds=24 hours | |
37 | // Note: You must have publisher.php in the same directory as Shaarli index.php | |
d2f51763 | 38 | $GLOBALS['config']['ARCHIVE_ORG'] = false; // For each link, add a link to an archived version on archive.org |
ed5b38dd | 39 | $GLOBALS['config']['ENABLE_RSS_PERMALINKS'] = true; // Enable RSS permalinks by default. This corresponds to the default behavior of shaarli before this was added as an option. |
caee7ff9 | 40 | $GLOBALS['config']['HIDE_PUBLIC_LINKS'] = false; |
45034273 | 41 | // ----------------------------------------------------------------------------------------------- |
7d4263e1 | 42 | define('shaarli_version','0.5.0'); |
ae00595b CH |
43 | // http://server.com/x/shaarli --> /shaarli/ |
44 | define('WEB_PATH', substr($_SERVER["REQUEST_URI"], 0, 1+strrpos($_SERVER["REQUEST_URI"], '/', 0))); | |
45034273 SS |
45 | |
46 | // Force cookie path (but do not change lifetime) | |
47 | $cookie=session_get_cookie_params(); | |
2d9fab88 | 48 | $cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/'; |
2f32d074 | 49 | session_set_cookie_params($cookie['lifetime'],$cookiedir,$_SERVER['SERVER_NAME']); // Set default cookie expiration and path. |
45034273 | 50 | |
f37664a2 SS |
51 | // Set session parameters on server side. |
52 | define('INACTIVITY_TIMEOUT',3600); // (in seconds). If the user does not access any page within this time, his/her session is considered expired. | |
53 | ini_set('session.use_cookies', 1); // Use cookies to store session. | |
ad6c27b7 | 54 | ini_set('session.use_only_cookies', 1); // Force cookies for session (phpsessionID forbidden in URL). |
55 | ini_set('session.use_trans_sid', false); // Prevent PHP form using sessionID in URL if cookies are disabled. | |
f37664a2 SS |
56 | session_name('shaarli'); |
57 | if (session_id() == '') session_start(); // Start session if needed (Some server auto-start sessions). | |
58 | ||
45034273 SS |
59 | // PHP Settings |
60 | ini_set('max_input_time','60'); // High execution time in case of problematic imports/exports. | |
61 | ini_set('memory_limit', '128M'); // Try to set max upload file size and read (May not work on some hosts). | |
62 | ini_set('post_max_size', '16M'); | |
63 | ini_set('upload_max_filesize', '16M'); | |
45034273 SS |
64 | error_reporting(E_ALL^E_WARNING); // See all error except warnings. |
65 | //error_reporting(-1); // See all errors (for debugging only) | |
66 | ||
50c9a12e V |
67 | // User configuration |
68 | if (is_file($GLOBALS['config']['CONFIG_FILE'])) { | |
69 | require_once $GLOBALS['config']['CONFIG_FILE']; | |
70 | } | |
71 | ||
ca74886f | 72 | // Shaarli library |
01e48f26 V |
73 | require_once 'application/Cache.php'; |
74 | require_once 'application/CachedPage.php'; | |
ca74886f | 75 | require_once 'application/LinkDB.php'; |
d1e2f8e5 | 76 | require_once 'application/TimeZone.php'; |
ca74886f | 77 | require_once 'application/Utils.php'; |
dd484b90 | 78 | require_once 'application/Config.php'; |
ca74886f | 79 | |
d1e2f8e5 V |
80 | // Ensure the PHP version is supported |
81 | try { | |
82 | checkPHPVersion('5.3', PHP_VERSION); | |
83 | } catch(Exception $e) { | |
84 | header('Content-Type: text/plain; charset=utf-8'); | |
85 | echo $e->getMessage(); | |
86 | exit; | |
87 | } | |
88 | ||
45034273 | 89 | include "inc/rain.tpl.class.php"; //include Rain TPL |
25f5c59d | 90 | raintpl::$tpl_dir = $GLOBALS['config']['RAINTPL_TPL']; // template directory |
25f5c59d | 91 | raintpl::$cache_dir = $GLOBALS['config']['RAINTPL_TMP']; // cache directory |
45034273 SS |
92 | |
93 | ob_start(); // Output buffering for the page cache. | |
94 | ||
95 | ||
96 | // In case stupid admin has left magic_quotes enabled in php.ini: | |
97 | if (get_magic_quotes_gpc()) | |
98 | { | |
99 | function stripslashes_deep($value) { $value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value); return $value; } | |
100 | $_POST = array_map('stripslashes_deep', $_POST); | |
101 | $_GET = array_map('stripslashes_deep', $_GET); | |
102 | $_COOKIE = array_map('stripslashes_deep', $_COOKIE); | |
103 | } | |
104 | ||
105 | // Prevent caching on client side or proxy: (yes, it's ugly) | |
106 | header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); | |
107 | header("Cache-Control: no-store, no-cache, must-revalidate"); | |
108 | header("Cache-Control: post-check=0, pre-check=0", false); | |
109 | header("Pragma: no-cache"); | |
110 | ||
ad6c27b7 | 111 | // Directories creations (Note that your web host may require different rights than 705.) |
60b83e7c | 112 | if (!is_writable(realpath(dirname(__FILE__)))) die('<pre>ERROR: Shaarli does not have the right to write in its own directory.</pre>'); |
45034273 | 113 | |
45034273 | 114 | // Handling of old config file which do not have the new parameters. |
5f85fcd8 | 115 | if (empty($GLOBALS['title'])) $GLOBALS['title']='Shared links on '.escape(indexUrl()); |
45034273 | 116 | if (empty($GLOBALS['timezone'])) $GLOBALS['timezone']=date_default_timezone_get(); |
8a80e4fe | 117 | if (empty($GLOBALS['redirector'])) $GLOBALS['redirector']=''; |
45034273 | 118 | if (empty($GLOBALS['disablesessionprotection'])) $GLOBALS['disablesessionprotection']=false; |
bb8f712d | 119 | if (empty($GLOBALS['privateLinkByDefault'])) $GLOBALS['privateLinkByDefault']=false; |
ebb2880d | 120 | if (empty($GLOBALS['titleLink'])) $GLOBALS['titleLink']='?'; |
858c5c2b | 121 | // I really need to rewrite Shaarli with a proper configuation manager. |
45034273 | 122 | |
8a80e4fe | 123 | // Run config screen if first run: |
50c9a12e V |
124 | if (! is_file($GLOBALS['config']['CONFIG_FILE'])) { |
125 | install(); | |
126 | } | |
8a80e4fe | 127 | |
5f85fcd8 A |
128 | $GLOBALS['title'] = !empty($GLOBALS['title']) ? escape($GLOBALS['title']) : ''; |
129 | $GLOBALS['titleLink'] = !empty($GLOBALS['titleLink']) ? escape($GLOBALS['titleLink']) : ''; | |
130 | $GLOBALS['redirector'] = !empty($GLOBALS['redirector']) ? escape($GLOBALS['redirector']) : ''; | |
8a80e4fe | 131 | |
ae00595b CH |
132 | // a token depending of deployment salt, user password, and the current ip |
133 | define('STAY_SIGNED_IN_TOKEN', sha1($GLOBALS['hash'].$_SERVER["REMOTE_ADDR"].$GLOBALS['salt'])); | |
8a80e4fe | 134 | |
45034273 SS |
135 | autoLocale(); // Sniff browser language and set date format accordingly. |
136 | header('Content-Type: text/html; charset=utf-8'); // We use UTF-8 for proper international characters handling. | |
137 | ||
ff69d87e FE |
138 | //================================================================================================== |
139 | // Checking session state (i.e. is the user still logged in) | |
140 | //================================================================================================== | |
141 | ||
142 | function setup_login_state() { | |
143 | $userIsLoggedIn = false; // By default, we do not consider the user as logged in; | |
144 | $loginFailure = false; // If set to true, every attempt to authenticate the user will fail. This indicates that an important condition isn't met. | |
145 | if ($GLOBALS['config']['OPEN_SHAARLI']) { | |
146 | $userIsLoggedIn = true; | |
147 | } | |
148 | if (!isset($GLOBALS['login'])) { | |
149 | $userIsLoggedIn = false; // Shaarli is not configured yet. | |
150 | $loginFailure = true; | |
151 | } | |
152 | if (isset($_COOKIE['shaarli_staySignedIn']) && | |
153 | $_COOKIE['shaarli_staySignedIn']===STAY_SIGNED_IN_TOKEN && | |
154 | !$loginFailure) | |
155 | { | |
156 | fillSessionInfo(); | |
157 | $userIsLoggedIn = true; | |
158 | } | |
159 | // If session does not exist on server side, or IP address has changed, or session has expired, logout. | |
160 | if (empty($_SESSION['uid']) || | |
161 | ($GLOBALS['disablesessionprotection']==false && $_SESSION['ip']!=allIPs()) || | |
162 | time() >= $_SESSION['expires_on']) | |
163 | { | |
164 | logout(); | |
165 | $userIsLoggedIn = false; | |
166 | $loginFailure = true; | |
167 | } | |
168 | if (!empty($_SESSION['longlastingsession'])) { | |
169 | $_SESSION['expires_on']=time()+$_SESSION['longlastingsession']; // In case of "Stay signed in" checked. | |
170 | } | |
171 | else { | |
172 | $_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT; // Standard session expiration date. | |
173 | } | |
174 | if (!$loginFailure) { | |
175 | $userIsLoggedIn = true; | |
176 | } | |
177 | ||
178 | return $userIsLoggedIn; | |
179 | } | |
ff69d87e | 180 | $userIsLoggedIn = setup_login_state(); |
45034273 SS |
181 | |
182 | // Checks if an update is available for Shaarli. | |
183 | // (at most once a day, and only for registered user.) | |
184 | // Output: '' = no new version. | |
185 | // other= the available version. | |
186 | function checkUpdate() | |
187 | { | |
188 | if (!isLoggedIn()) return ''; // Do not check versions for visitors. | |
329e0768 | 189 | if (empty($GLOBALS['config']['ENABLE_UPDATECHECK'])) return ''; // Do not check if the user doesn't want to. |
45034273 SS |
190 | |
191 | // Get latest version number at most once a day. | |
192 | if (!is_file($GLOBALS['config']['UPDATECHECK_FILENAME']) || (filemtime($GLOBALS['config']['UPDATECHECK_FILENAME'])<time()-($GLOBALS['config']['UPDATECHECK_INTERVAL']))) | |
193 | { | |
194 | $version=shaarli_version; | |
dbcad740 | 195 | list($httpstatus,$headers,$data) = getHTTP('https://raw.githubusercontent.com/shaarli/Shaarli/master/shaarli_version.php',2); |
196 | if (strpos($httpstatus,'200 OK')!==false) $version=str_replace(' */ ?>','',str_replace('<?php /* ','',$data)); | |
ad6c27b7 | 197 | // If failed, never mind. We don't want to bother the user with that. |
45034273 SS |
198 | file_put_contents($GLOBALS['config']['UPDATECHECK_FILENAME'],$version); // touch file date |
199 | } | |
200 | // Compare versions: | |
201 | $newestversion=file_get_contents($GLOBALS['config']['UPDATECHECK_FILENAME']); | |
202 | if (version_compare($newestversion,shaarli_version)==1) return $newestversion; | |
203 | return ''; | |
204 | } | |
205 | ||
206 | ||
45034273 SS |
207 | // ----------------------------------------------------------------------------------------------- |
208 | // Log to text file | |
209 | function logm($message) | |
210 | { | |
211 | $t = strval(date('Y/m/d_H:i:s')).' - '.$_SERVER["REMOTE_ADDR"].' - '.strval($message)."\n"; | |
212 | file_put_contents($GLOBALS['config']['DATADIR'].'/log.txt',$t,FILE_APPEND); | |
213 | } | |
214 | ||
ad6c27b7 | 215 | // In a string, converts URLs to clickable links. |
45034273 SS |
216 | // Function inspired from http://www.php.net/manual/en/function.preg-replace.php#85722 |
217 | function text2clickable($url) | |
218 | { | |
219 | $redir = empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector']; | |
30b0672d | 220 | return preg_replace('!(((?:https?|ftp|file)://|apt:|magnet:)\S+[[:alnum:]]/?)!si','<a href="'.$redir.'$1" rel="nofollow">$1</a>',$url); |
45034273 SS |
221 | } |
222 | ||
223 | // This function inserts where relevant so that multiple spaces are properly displayed in HTML | |
224 | // even in the absence of <pre> (This is used in description to keep text formatting) | |
225 | function keepMultipleSpaces($text) | |
226 | { | |
227 | return str_replace(' ',' ',$text); | |
bb8f712d | 228 | |
45034273 SS |
229 | } |
230 | // ------------------------------------------------------------------------------------------ | |
231 | // Sniff browser language to display dates in the right format automatically. | |
232 | // (Note that is may not work on your server if the corresponding local is not installed.) | |
233 | function autoLocale() | |
234 | { | |
8438a2e5 | 235 | $attempts = array('en_US'); // Default if browser does not send HTTP_ACCEPT_LANGUAGE |
ad6c27b7 | 236 | if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) // e.g. "fr,fr-fr;q=0.8,en;q=0.5,en-us;q=0.3" |
237 | { // (It's a bit crude, but it works very well. Preferred language is always presented first.) | |
8438a2e5 A |
238 | if (preg_match('/([a-z]{2})-?([a-z]{2})?/i',$_SERVER['HTTP_ACCEPT_LANGUAGE'],$matches)) { |
239 | $loc = $matches[1] . (!empty($matches[2]) ? '_' . strtoupper($matches[2]) : ''); | |
da49603b | 240 | $attempts = array($loc.'.UTF-8', $loc, str_replace('_', '-', $loc).'.UTF-8', str_replace('_', '-', $loc), |
d33c5d4c M |
241 | $loc . '_' . strtoupper($loc).'.UTF-8', $loc . '_' . strtoupper($loc), |
242 | $loc . '_' . $loc.'.UTF-8', $loc . '_' . $loc, $loc . '-' . strtoupper($loc).'.UTF-8', | |
da49603b | 243 | $loc . '-' . strtoupper($loc), $loc . '-' . $loc.'.UTF-8', $loc . '-' . $loc); |
8438a2e5 | 244 | } |
45034273 | 245 | } |
8438a2e5 | 246 | setlocale(LC_TIME, $attempts); // LC_TIME = Set local for date/time format only. |
45034273 SS |
247 | } |
248 | ||
249 | // ------------------------------------------------------------------------------------------ | |
250 | // PubSubHubbub protocol support (if enabled) [UNTESTED] | |
251 | // (Source: http://aldarone.fr/les-flux-rss-shaarli-et-pubsubhubbub/ ) | |
252 | if (!empty($GLOBALS['config']['PUBSUBHUB_URL'])) include './publisher.php'; | |
253 | function pubsubhub() | |
254 | { | |
255 | if (!empty($GLOBALS['config']['PUBSUBHUB_URL'])) | |
256 | { | |
257 | $p = new Publisher($GLOBALS['config']['PUBSUBHUB_URL']); | |
258 | $topic_url = array ( | |
259 | indexUrl().'?do=atom', | |
260 | indexUrl().'?do=rss' | |
261 | ); | |
262 | $p->publish_update($topic_url); | |
263 | } | |
264 | } | |
265 | ||
266 | // ------------------------------------------------------------------------------------------ | |
267 | // Session management | |
45034273 SS |
268 | |
269 | // Returns the IP address of the client (Used to prevent session cookie hijacking.) | |
270 | function allIPs() | |
271 | { | |
272 | $ip = $_SERVER["REMOTE_ADDR"]; | |
273 | // Then we use more HTTP headers to prevent session hijacking from users behind the same proxy. | |
274 | if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { $ip=$ip.'_'.$_SERVER['HTTP_X_FORWARDED_FOR']; } | |
275 | if (isset($_SERVER['HTTP_CLIENT_IP'])) { $ip=$ip.'_'.$_SERVER['HTTP_CLIENT_IP']; } | |
276 | return $ip; | |
277 | } | |
278 | ||
ae00595b | 279 | function fillSessionInfo() { |
ad6c27b7 | 280 | $_SESSION['uid'] = sha1(uniqid('',true).'_'.mt_rand()); // Generate unique random number (different than phpsessionid) |
ae00595b CH |
281 | $_SESSION['ip']=allIPs(); // We store IP address(es) of the client to make sure session is not hijacked. |
282 | $_SESSION['username']=$GLOBALS['login']; | |
283 | $_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT; // Set session expiration. | |
284 | } | |
285 | ||
45034273 SS |
286 | // Check that user/password is correct. |
287 | function check_auth($login,$password) | |
288 | { | |
289 | $hash = sha1($password.$login.$GLOBALS['salt']); | |
290 | if ($login==$GLOBALS['login'] && $hash==$GLOBALS['hash']) | |
291 | { // Login/password is correct. | |
ae00595b | 292 | fillSessionInfo(); |
45034273 SS |
293 | logm('Login successful'); |
294 | return True; | |
295 | } | |
296 | logm('Login failed for user '.$login); | |
297 | return False; | |
298 | } | |
299 | ||
300 | // Returns true if the user is logged in. | |
301 | function isLoggedIn() | |
302 | { | |
ff69d87e FE |
303 | global $userIsLoggedIn; |
304 | return $userIsLoggedIn; | |
45034273 SS |
305 | } |
306 | ||
307 | // Force logout. | |
ff69d87e FE |
308 | function logout() { |
309 | if (isset($_SESSION)) { | |
310 | unset($_SESSION['uid']); | |
311 | unset($_SESSION['ip']); | |
312 | unset($_SESSION['username']); | |
313 | unset($_SESSION['privateonly']); | |
314 | } | |
315 | setcookie('shaarli_staySignedIn', FALSE, 0, WEB_PATH); | |
ae00595b | 316 | } |
45034273 SS |
317 | |
318 | ||
319 | // ------------------------------------------------------------------------------------------ | |
320 | // Brute force protection system | |
321 | // Several consecutive failed logins will ban the IP address for 30 minutes. | |
322 | if (!is_file($GLOBALS['config']['IPBANS_FILENAME'])) file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], "<?php\n\$GLOBALS['IPBANS']=".var_export(array('FAILURES'=>array(),'BANS'=>array()),true).";\n?>"); | |
323 | include $GLOBALS['config']['IPBANS_FILENAME']; | |
324 | // Signal a failed login. Will ban the IP if too many failures: | |
325 | function ban_loginFailed() | |
326 | { | |
327 | $ip=$_SERVER["REMOTE_ADDR"]; $gb=$GLOBALS['IPBANS']; | |
328 | if (!isset($gb['FAILURES'][$ip])) $gb['FAILURES'][$ip]=0; | |
329 | $gb['FAILURES'][$ip]++; | |
330 | if ($gb['FAILURES'][$ip]>($GLOBALS['config']['BAN_AFTER']-1)) | |
331 | { | |
332 | $gb['BANS'][$ip]=time()+$GLOBALS['config']['BAN_DURATION']; | |
333 | logm('IP address banned from login'); | |
334 | } | |
335 | $GLOBALS['IPBANS'] = $gb; | |
336 | file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], "<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>"); | |
337 | } | |
338 | ||
339 | // Signals a successful login. Resets failed login counter. | |
340 | function ban_loginOk() | |
341 | { | |
342 | $ip=$_SERVER["REMOTE_ADDR"]; $gb=$GLOBALS['IPBANS']; | |
343 | unset($gb['FAILURES'][$ip]); unset($gb['BANS'][$ip]); | |
344 | $GLOBALS['IPBANS'] = $gb; | |
345 | file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], "<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>"); | |
346 | } | |
347 | ||
348 | // Checks if the user CAN login. If 'true', the user can try to login. | |
349 | function ban_canLogin() | |
350 | { | |
351 | $ip=$_SERVER["REMOTE_ADDR"]; $gb=$GLOBALS['IPBANS']; | |
352 | if (isset($gb['BANS'][$ip])) | |
353 | { | |
354 | // User is banned. Check if the ban has expired: | |
355 | if ($gb['BANS'][$ip]<=time()) | |
356 | { // Ban expired, user can try to login again. | |
357 | logm('Ban lifted.'); | |
358 | unset($gb['FAILURES'][$ip]); unset($gb['BANS'][$ip]); | |
359 | file_put_contents($GLOBALS['config']['IPBANS_FILENAME'], "<?php\n\$GLOBALS['IPBANS']=".var_export($gb,true).";\n?>"); | |
360 | return true; // Ban has expired, user can login. | |
361 | } | |
362 | return false; // User is banned. | |
363 | } | |
364 | return true; // User is not banned. | |
365 | } | |
366 | ||
367 | // ------------------------------------------------------------------------------------------ | |
368 | // Process login form: Check if login/password is correct. | |
369 | if (isset($_POST['login'])) | |
370 | { | |
371 | if (!ban_canLogin()) die('I said: NO. You are banned for the moment. Go away.'); | |
372 | if (isset($_POST['password']) && tokenOk($_POST['token']) && (check_auth($_POST['login'], $_POST['password']))) | |
ad6c27b7 | 373 | { // Login/password is OK. |
45034273 SS |
374 | ban_loginOk(); |
375 | // If user wants to keep the session cookie even after the browser closes: | |
376 | if (!empty($_POST['longlastingsession'])) | |
377 | { | |
ae00595b | 378 | setcookie('shaarli_staySignedIn', STAY_SIGNED_IN_TOKEN, time()+31536000, WEB_PATH); |
45034273 SS |
379 | $_SESSION['longlastingsession']=31536000; // (31536000 seconds = 1 year) |
380 | $_SESSION['expires_on']=time()+$_SESSION['longlastingsession']; // Set session expiration on server-side. | |
2d9fab88 SS |
381 | |
382 | $cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/'; | |
2f32d074 | 383 | session_set_cookie_params($_SESSION['longlastingsession'],$cookiedir,$_SERVER['SERVER_NAME']); // Set session cookie expiration on client side |
ad6c27b7 | 384 | // Note: Never forget the trailing slash on the cookie path! |
45034273 SS |
385 | session_regenerate_id(true); // Send cookie with new expiration date to browser. |
386 | } | |
387 | else // Standard session expiration (=when browser closes) | |
388 | { | |
2d9fab88 | 389 | $cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/'; |
2f32d074 | 390 | session_set_cookie_params(0,$cookiedir,$_SERVER['SERVER_NAME']); // 0 means "When browser closes" |
45034273 SS |
391 | session_regenerate_id(true); |
392 | } | |
5fbabbb9 | 393 | |
45034273 | 394 | // Optional redirect after login: |
5fbabbb9 A |
395 | if (isset($_GET['post'])) { |
396 | $uri = '?post='. urlencode($_GET['post']); | |
397 | foreach (array('description', 'source', 'title') as $param) { | |
398 | if (!empty($_GET[$param])) { | |
399 | $uri .= '&'.$param.'='.urlencode($_GET[$param]); | |
400 | } | |
401 | } | |
402 | header('Location: '. $uri); | |
403 | exit; | |
404 | } | |
405 | ||
406 | if (isset($_GET['edit_link'])) { | |
407 | header('Location: ?edit_link='. escape($_GET['edit_link'])); | |
408 | exit; | |
409 | } | |
410 | ||
411 | if (isset($_POST['returnurl'])) { | |
412 | // Prevent loops over login screen. | |
413 | if (strpos($_POST['returnurl'], 'do=login') === false) { | |
414 | header('Location: '. escape($_POST['returnurl'])); | |
415 | exit; | |
416 | } | |
45034273 SS |
417 | } |
418 | header('Location: ?'); exit; | |
419 | } | |
420 | else | |
421 | { | |
422 | ban_loginFailed(); | |
705f8355 | 423 | $redir = ''; |
5fbabbb9 A |
424 | if (isset($_GET['post'])) { |
425 | $redir = '?post=' . urlencode($_GET['post']); | |
426 | foreach (array('description', 'source', 'title') as $param) { | |
427 | if (!empty($_GET[$param])) { | |
428 | $redir .= '&' . $param . '=' . urlencode($_GET[$param]); | |
429 | } | |
430 | } | |
431 | } | |
fe16b01e | 432 | echo '<script>alert("Wrong login/password.");document.location=\'?do=login'.$redir.'\';</script>'; // Redirect to login screen. |
45034273 SS |
433 | exit; |
434 | } | |
435 | } | |
436 | ||
437 | // ------------------------------------------------------------------------------------------ | |
438 | // Misc utility functions: | |
439 | ||
440 | // Returns the server URL (including port and http/https), without path. | |
ad6c27b7 | 441 | // e.g. "http://myserver.com:8080" |
45034273 SS |
442 | // You can append $_SERVER['SCRIPT_NAME'] to get the current script URL. |
443 | function serverUrl() | |
444 | { | |
445 | $https = (!empty($_SERVER['HTTPS']) && (strtolower($_SERVER['HTTPS'])=='on')) || $_SERVER["SERVER_PORT"]=='443'; // HTTPS detection. | |
446 | $serverport = ($_SERVER["SERVER_PORT"]=='80' || ($https && $_SERVER["SERVER_PORT"]=='443') ? '' : ':'.$_SERVER["SERVER_PORT"]); | |
2f32d074 | 447 | return 'http'.($https?'s':'').'://'.$_SERVER['SERVER_NAME'].$serverport; |
45034273 SS |
448 | } |
449 | ||
450 | // Returns the absolute URL of current script, without the query. | |
ad6c27b7 | 451 | // (e.g. http://sebsauvage.net/links/) |
45034273 SS |
452 | function indexUrl() |
453 | { | |
9e975d86 SS |
454 | $scriptname = $_SERVER["SCRIPT_NAME"]; |
455 | // If the script is named 'index.php', we remove it (for better looking URLs, | |
ad6c27b7 | 456 | // e.g. http://mysite.com/shaarli/?abcde instead of http://mysite.com/shaarli/index.php?abcde) |
9e975d86 SS |
457 | if (endswith($scriptname,'index.php')) $scriptname = substr($scriptname,0,strlen($scriptname)-9); |
458 | return serverUrl() . $scriptname; | |
45034273 SS |
459 | } |
460 | ||
461 | // Returns the absolute URL of current script, WITH the query. | |
ad6c27b7 | 462 | // (e.g. http://sebsauvage.net/links/?toto=titi&spamspamspam=humbug) |
45034273 SS |
463 | function pageUrl() |
464 | { | |
465 | return indexUrl().(!empty($_SERVER["QUERY_STRING"]) ? '?'.$_SERVER["QUERY_STRING"] : ''); | |
466 | } | |
467 | ||
ad6c27b7 | 468 | // Convert post_max_size/upload_max_filesize (e.g. '16M') parameters to bytes. |
45034273 SS |
469 | function return_bytes($val) |
470 | { | |
471 | $val = trim($val); $last=strtolower($val[strlen($val)-1]); | |
472 | switch($last) | |
473 | { | |
474 | case 'g': $val *= 1024; | |
475 | case 'm': $val *= 1024; | |
476 | case 'k': $val *= 1024; | |
477 | } | |
478 | return $val; | |
479 | } | |
480 | ||
481 | // Try to determine max file size for uploads (POST). | |
482 | // Returns an integer (in bytes) | |
483 | function getMaxFileSize() | |
484 | { | |
485 | $size1 = return_bytes(ini_get('post_max_size')); | |
486 | $size2 = return_bytes(ini_get('upload_max_filesize')); | |
487 | // Return the smaller of two: | |
488 | $maxsize = min($size1,$size2); | |
ad6c27b7 | 489 | // FIXME: Then convert back to readable notations ? (e.g. 2M instead of 2000000) |
45034273 SS |
490 | return $maxsize; |
491 | } | |
492 | ||
45034273 SS |
493 | /* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a timestamp (Unix epoch) |
494 | (used to build the ADD_DATE attribute in Netscape-bookmarks file) | |
495 | PS: I could have used strptime(), but it does not exist on Windows. I'm too kind. */ | |
496 | function linkdate2timestamp($linkdate) | |
497 | { | |
f5b05925 JD |
498 | if(strcmp($linkdate, '_000000') !== 0 || !$linkdate){ |
499 | $Y=$M=$D=$h=$m=$s=0; | |
500 | $r = sscanf($linkdate,'%4d%2d%2d_%2d%2d%2d',$Y,$M,$D,$h,$m,$s); | |
501 | return mktime($h,$m,$s,$M,$D,$Y); | |
502 | } | |
503 | return time(); | |
45034273 SS |
504 | } |
505 | ||
506 | /* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a RFC822 date. | |
507 | (used to build the pubDate attribute in RSS feed.) */ | |
508 | function linkdate2rfc822($linkdate) | |
509 | { | |
510 | return date('r',linkdate2timestamp($linkdate)); // 'r' is for RFC822 date format. | |
511 | } | |
512 | ||
513 | /* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a ISO 8601 date. | |
514 | (used to build the updated tags in ATOM feed.) */ | |
515 | function linkdate2iso8601($linkdate) | |
516 | { | |
517 | return date('c',linkdate2timestamp($linkdate)); // 'c' is for ISO 8601 date format. | |
518 | } | |
519 | ||
45034273 SS |
520 | // Parse HTTP response headers and return an associative array. |
521 | function http_parse_headers_shaarli( $headers ) | |
522 | { | |
523 | $res=array(); | |
524 | foreach($headers as $header) | |
525 | { | |
526 | $i = strpos($header,': '); | |
527 | if ($i!==false) | |
528 | { | |
529 | $key=substr($header,0,$i); | |
530 | $value=substr($header,$i+2,strlen($header)-$i-2); | |
531 | $res[$key]=$value; | |
532 | } | |
533 | } | |
534 | return $res; | |
535 | } | |
536 | ||
537 | /* GET an URL. | |
ad6c27b7 | 538 | Input: $url : URL to get (http://...) |
45034273 | 539 | $timeout : Network timeout (will wait this many seconds for an anwser before giving up). |
ad6c27b7 | 540 | Output: An array. [0] = HTTP status message (e.g. "HTTP/1.1 200 OK") or error message |
541 | [1] = associative array containing HTTP response headers (e.g. echo getHTTP($url)[1]['Content-Type']) | |
45034273 SS |
542 | [2] = data |
543 | Example: list($httpstatus,$headers,$data) = getHTTP('http://sebauvage.net/'); | |
544 | if (strpos($httpstatus,'200 OK')!==false) | |
545 | echo 'Data type: '.htmlspecialchars($headers['Content-Type']); | |
546 | else | |
547 | echo 'There was an error: '.htmlspecialchars($httpstatus) | |
548 | */ | |
549 | function getHTTP($url,$timeout=30) | |
550 | { | |
551 | try | |
552 | { | |
03545ef6 | 553 | $options = array('http'=>array('method'=>'GET','timeout' => $timeout, 'user_agent' => 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:23.0) Gecko/20100101 Firefox/23.0')); // Force network timeout |
45034273 SS |
554 | $context = stream_context_create($options); |
555 | $data=file_get_contents($url,false,$context,-1, 4000000); // We download at most 4 Mb from source. | |
556 | if (!$data) { return array('HTTP Error',array(),''); } | |
ad6c27b7 | 557 | $httpStatus=$http_response_header[0]; // e.g. "HTTP/1.1 200 OK" |
45034273 SS |
558 | $responseHeaders=http_parse_headers_shaarli($http_response_header); |
559 | return array($httpStatus,$responseHeaders,$data); | |
560 | } | |
ad6c27b7 | 561 | catch (Exception $e) // getHTTP *can* fail silently (we don't care if the title cannot be fetched) |
45034273 SS |
562 | { |
563 | return array($e->getMessage(),'',''); | |
564 | } | |
565 | } | |
566 | ||
567 | // Extract title from an HTML document. | |
568 | // (Returns an empty string if not found.) | |
569 | function html_extract_title($html) | |
570 | { | |
571 | return preg_match('!<title>(.*?)</title>!is', $html, $matches) ? trim(str_replace("\n",' ', $matches[1])) : '' ; | |
572 | } | |
573 | ||
574 | // ------------------------------------------------------------------------------------------ | |
575 | // Token management for XSRF protection | |
576 | // Token should be used in any form which acts on data (create,update,delete,import...). | |
577 | if (!isset($_SESSION['tokens'])) $_SESSION['tokens']=array(); // Token are attached to the session. | |
578 | ||
579 | // Returns a token. | |
580 | function getToken() | |
581 | { | |
a1f5a6ec | 582 | $rnd = sha1(uniqid('',true).'_'.mt_rand().$GLOBALS['salt']); // We generate a random string. |
45034273 SS |
583 | $_SESSION['tokens'][$rnd]=1; // Store it on the server side. |
584 | return $rnd; | |
585 | } | |
586 | ||
ad6c27b7 | 587 | // Tells if a token is OK. Using this function will destroy the token. |
588 | // true=token is OK. | |
45034273 SS |
589 | function tokenOk($token) |
590 | { | |
591 | if (isset($_SESSION['tokens'][$token])) | |
592 | { | |
593 | unset($_SESSION['tokens'][$token]); // Token is used: destroy it. | |
ad6c27b7 | 594 | return true; // Token is OK. |
45034273 SS |
595 | } |
596 | return false; // Wrong token, or already used. | |
597 | } | |
598 | ||
599 | // ------------------------------------------------------------------------------------------ | |
600 | /* This class is in charge of building the final page. | |
601 | (This is basically a wrapper around RainTPL which pre-fills some fields.) | |
602 | p = new pageBuilder; | |
603 | p.assign('myfield','myvalue'); | |
604 | p.renderPage('mytemplate'); | |
bb8f712d | 605 | |
45034273 SS |
606 | */ |
607 | class pageBuilder | |
608 | { | |
609 | private $tpl; // RainTPL template | |
610 | ||
611 | function __construct() | |
612 | { | |
613 | $this->tpl=false; | |
bb8f712d | 614 | } |
45034273 SS |
615 | |
616 | private function initialize() | |
bb8f712d KT |
617 | { |
618 | $this->tpl = new RainTPL; | |
5f85fcd8 A |
619 | $this->tpl->assign('newversion',escape(checkUpdate())); |
620 | $this->tpl->assign('feedurl',escape(indexUrl())); | |
45034273 SS |
621 | $searchcrits=''; // Search criteria |
622 | if (!empty($_GET['searchtags'])) $searchcrits.='&searchtags='.urlencode($_GET['searchtags']); | |
623 | elseif (!empty($_GET['searchterm'])) $searchcrits.='&searchterm='.urlencode($_GET['searchterm']); | |
624 | $this->tpl->assign('searchcrits',$searchcrits); | |
625 | $this->tpl->assign('source',indexUrl()); | |
626 | $this->tpl->assign('version',shaarli_version); | |
627 | $this->tpl->assign('scripturl',indexUrl()); | |
628 | $this->tpl->assign('pagetitle','Shaarli'); | |
ad6c27b7 | 629 | $this->tpl->assign('privateonly',!empty($_SESSION['privateonly'])); // Show only private links? |
45034273 | 630 | if (!empty($GLOBALS['title'])) $this->tpl->assign('pagetitle',$GLOBALS['title']); |
ebb2880d | 631 | if (!empty($GLOBALS['titleLink'])) $this->tpl->assign('titleLink',$GLOBALS['titleLink']); |
45034273 SS |
632 | if (!empty($GLOBALS['pagetitle'])) $this->tpl->assign('pagetitle',$GLOBALS['pagetitle']); |
633 | $this->tpl->assign('shaarlititle',empty($GLOBALS['title']) ? 'Shaarli': $GLOBALS['title'] ); | |
bb8f712d | 634 | return; |
45034273 | 635 | } |
bb8f712d | 636 | |
45034273 SS |
637 | // The following assign() method is basically the same as RainTPL (except that it's lazy) |
638 | public function assign($what,$where) | |
639 | { | |
640 | if ($this->tpl===false) $this->initialize(); // Lazy initialization | |
641 | $this->tpl->assign($what,$where); | |
642 | } | |
bb8f712d | 643 | |
45034273 | 644 | // Render a specific page (using a template). |
ad6c27b7 | 645 | // e.g. pb.renderPage('picwall') |
45034273 SS |
646 | public function renderPage($page) |
647 | { | |
648 | if ($this->tpl===false) $this->initialize(); // Lazy initialization | |
649 | $this->tpl->draw($page); | |
650 | } | |
651 | } | |
652 | ||
45034273 | 653 | // ------------------------------------------------------------------------------------------ |
ad6c27b7 | 654 | // Output the last N links in RSS 2.0 format. |
45034273 SS |
655 | function showRSS() |
656 | { | |
657 | header('Content-Type: application/rss+xml; charset=utf-8'); | |
658 | ||
2abd3905 | 659 | // $usepermalink : If true, use permalink instead of final link. |
ad6c27b7 | 660 | // User just has to add 'permalink' in URL parameters. e.g. http://mysite.com/shaarli/?do=rss&permalinks |
ed5b38dd FE |
661 | // Also enabled through a config option |
662 | $usepermalinks = isset($_GET['permalinks']) || !$GLOBALS['config']['ENABLE_RSS_PERMALINKS']; | |
2abd3905 | 663 | |
45034273 SS |
664 | // Cache system |
665 | $query = $_SERVER["QUERY_STRING"]; | |
01e48f26 V |
666 | $cache = new CachedPage( |
667 | $GLOBALS['config']['PAGECACHE'], | |
668 | pageUrl(), | |
669 | startsWith($query,'do=rss') && !isLoggedIn() | |
670 | ); | |
671 | $cached = $cache->cachedVersion(); | |
672 | if (! empty($cached)) { | |
673 | echo $cached; | |
674 | exit; | |
675 | } | |
45034273 SS |
676 | |
677 | // If cached was not found (or not usable), then read the database and build the response: | |
9f15ca9e | 678 | $LINKSDB = new LinkDB( |
9c8752a2 | 679 | $GLOBALS['config']['DATASTORE'], |
9f15ca9e V |
680 | isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI'], |
681 | $GLOBALS['config']['HIDE_PUBLIC_LINKS'] | |
682 | ); | |
683 | // Read links from database (and filter private links if user it not logged in). | |
45034273 | 684 | |
ad6c27b7 | 685 | // Optionally filter the results: |
45034273 SS |
686 | $linksToDisplay=array(); |
687 | if (!empty($_GET['searchterm'])) $linksToDisplay = $LINKSDB->filterFulltext($_GET['searchterm']); | |
59c90f58 | 688 | else if (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags'])); |
45034273 | 689 | else $linksToDisplay = $LINKSDB; |
f3db3774 | 690 | |
c677013b SS |
691 | $nblinksToDisplay = 50; // Number of links to display. |
692 | if (!empty($_GET['nb'])) // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links. | |
732e683b | 693 | { |
c677013b SS |
694 | $nblinksToDisplay = $_GET['nb']=='all' ? count($linksToDisplay) : max($_GET['nb']+0,1) ; |
695 | } | |
45034273 | 696 | |
5f85fcd8 | 697 | $pageaddr=escape(indexUrl()); |
45034273 | 698 | echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">'; |
5f85fcd8 | 699 | echo '<channel><title>'.$GLOBALS['title'].'</title><link>'.$pageaddr.'</link>'; |
45034273 SS |
700 | echo '<description>Shared links</description><language>en-en</language><copyright>'.$pageaddr.'</copyright>'."\n\n"; |
701 | if (!empty($GLOBALS['config']['PUBSUBHUB_URL'])) | |
702 | { | |
703 | echo '<!-- PubSubHubbub Discovery -->'; | |
5f85fcd8 A |
704 | echo '<link rel="hub" href="'.escape($GLOBALS['config']['PUBSUBHUB_URL']).'" xmlns="http://www.w3.org/2005/Atom" />'; |
705 | echo '<link rel="self" href="'.$pageaddr.'?do=rss" xmlns="http://www.w3.org/2005/Atom" />'; | |
45034273 SS |
706 | echo '<!-- End Of PubSubHubbub Discovery -->'; |
707 | } | |
708 | $i=0; | |
709 | $keys=array(); foreach($linksToDisplay as $key=>$value) { $keys[]=$key; } // No, I can't use array_keys(). | |
fbd9e527 | 710 | while ($i<$nblinksToDisplay && $i<count($keys)) |
45034273 SS |
711 | { |
712 | $link = $linksToDisplay[$keys[$i]]; | |
713 | $guid = $pageaddr.'?'.smallHash($link['linkdate']); | |
714 | $rfc822date = linkdate2rfc822($link['linkdate']); | |
5f85fcd8 | 715 | $absurl = $link['url']; |
45034273 | 716 | if (startsWith($absurl,'?')) $absurl=$pageaddr.$absurl; // make permalink URL absolute |
2abd3905 | 717 | if ($usepermalinks===true) |
5f85fcd8 | 718 | echo '<item><title>'.$link['title'].'</title><guid isPermaLink="true">'.$guid.'</guid><link>'.$guid.'</link>'; |
2abd3905 | 719 | else |
5f85fcd8 A |
720 | echo '<item><title>'.$link['title'].'</title><guid isPermaLink="false">'.$guid.'</guid><link>'.$absurl.'</link>'; |
721 | if (!$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn()) echo '<pubDate>'.escape($rfc822date)."</pubDate>\n"; | |
45034273 SS |
722 | if ($link['tags']!='') // Adding tags to each RSS entry (as mentioned in RSS specification) |
723 | { | |
5f85fcd8 | 724 | foreach(explode(' ',$link['tags']) as $tag) { echo '<category domain="'.$pageaddr.'">'.$tag.'</category>'."\n"; } |
45034273 | 725 | } |
2abd3905 SS |
726 | |
727 | // Add permalink in description | |
728 | $descriptionlink = '(<a href="'.$guid.'">Permalink</a>)'; | |
729 | // If user wants permalinks first, put the final link in description | |
730 | if ($usepermalinks===true) $descriptionlink = '(<a href="'.$absurl.'">Link</a>)'; | |
731 | if (strlen($link['description'])>0) $descriptionlink = '<br>'.$descriptionlink; | |
5f85fcd8 | 732 | echo '<description><![CDATA['.nl2br(keepMultipleSpaces(text2clickable($link['description']))).$descriptionlink.']]></description>'."\n</item>\n"; |
45034273 SS |
733 | $i++; |
734 | } | |
5f85fcd8 | 735 | echo '</channel></rss><!-- Cached version of '.escape(pageUrl()).' -->'; |
45034273 SS |
736 | |
737 | $cache->cache(ob_get_contents()); | |
738 | ob_end_flush(); | |
739 | exit; | |
740 | } | |
741 | ||
742 | // ------------------------------------------------------------------------------------------ | |
ad6c27b7 | 743 | // Output the last N links in ATOM format. |
45034273 SS |
744 | function showATOM() |
745 | { | |
746 | header('Content-Type: application/atom+xml; charset=utf-8'); | |
747 | ||
2abd3905 | 748 | // $usepermalink : If true, use permalink instead of final link. |
ad6c27b7 | 749 | // User just has to add 'permalink' in URL parameters. e.g. http://mysite.com/shaarli/?do=atom&permalinks |
ed5b38dd | 750 | $usepermalinks = isset($_GET['permalinks']) || !$GLOBALS['config']['ENABLE_RSS_PERMALINKS']; |
2abd3905 | 751 | |
45034273 SS |
752 | // Cache system |
753 | $query = $_SERVER["QUERY_STRING"]; | |
01e48f26 V |
754 | $cache = new CachedPage( |
755 | $GLOBALS['config']['PAGECACHE'], | |
756 | pageUrl(), | |
757 | startsWith($query,'do=atom') && !isLoggedIn() | |
758 | ); | |
759 | $cached = $cache->cachedVersion(); | |
760 | if (!empty($cached)) { | |
761 | echo $cached; | |
762 | exit; | |
763 | } | |
45034273 | 764 | |
01e48f26 V |
765 | // If cached was not found (or not usable), then read the database and build the response: |
766 | // Read links from database (and filter private links if used it not logged in). | |
9f15ca9e | 767 | $LINKSDB = new LinkDB( |
9c8752a2 | 768 | $GLOBALS['config']['DATASTORE'], |
9f15ca9e V |
769 | isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI'], |
770 | $GLOBALS['config']['HIDE_PUBLIC_LINKS'] | |
771 | ); | |
45034273 | 772 | |
ad6c27b7 | 773 | // Optionally filter the results: |
45034273 SS |
774 | $linksToDisplay=array(); |
775 | if (!empty($_GET['searchterm'])) $linksToDisplay = $LINKSDB->filterFulltext($_GET['searchterm']); | |
59c90f58 | 776 | else if (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags'])); |
45034273 | 777 | else $linksToDisplay = $LINKSDB; |
f3db3774 | 778 | |
c677013b SS |
779 | $nblinksToDisplay = 50; // Number of links to display. |
780 | if (!empty($_GET['nb'])) // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links. | |
732e683b | 781 | { |
c677013b SS |
782 | $nblinksToDisplay = $_GET['nb']=='all' ? count($linksToDisplay) : max($_GET['nb']+0,1) ; |
783 | } | |
45034273 | 784 | |
5f85fcd8 | 785 | $pageaddr=escape(indexUrl()); |
45034273 SS |
786 | $latestDate = ''; |
787 | $entries=''; | |
788 | $i=0; | |
789 | $keys=array(); foreach($linksToDisplay as $key=>$value) { $keys[]=$key; } // No, I can't use array_keys(). | |
fbd9e527 | 790 | while ($i<$nblinksToDisplay && $i<count($keys)) |
45034273 SS |
791 | { |
792 | $link = $linksToDisplay[$keys[$i]]; | |
793 | $guid = $pageaddr.'?'.smallHash($link['linkdate']); | |
794 | $iso8601date = linkdate2iso8601($link['linkdate']); | |
795 | $latestDate = max($latestDate,$iso8601date); | |
5f85fcd8 | 796 | $absurl = $link['url']; |
45034273 | 797 | if (startsWith($absurl,'?')) $absurl=$pageaddr.$absurl; // make permalink URL absolute |
5f85fcd8 | 798 | $entries.='<entry><title>'.$link['title'].'</title>'; |
2abd3905 SS |
799 | if ($usepermalinks===true) |
800 | $entries.='<link href="'.$guid.'" /><id>'.$guid.'</id>'; | |
801 | else | |
802 | $entries.='<link href="'.$absurl.'" /><id>'.$guid.'</id>'; | |
5f85fcd8 | 803 | if (!$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn()) $entries.='<updated>'.escape($iso8601date).'</updated>'; |
2abd3905 SS |
804 | |
805 | // Add permalink in description | |
5f85fcd8 | 806 | $descriptionlink = '(<a href="'.$guid.'">Permalink</a>)'; |
2abd3905 | 807 | // If user wants permalinks first, put the final link in description |
5f85fcd8 A |
808 | if ($usepermalinks===true) $descriptionlink = '(<a href="'.$absurl.'">Link</a>)'; |
809 | if (strlen($link['description'])>0) $descriptionlink = '<br>'.$descriptionlink; | |
2abd3905 | 810 | |
5f85fcd8 | 811 | $entries.='<content type="html"><![CDATA['.nl2br(keepMultipleSpaces(text2clickable($link['description']))).$descriptionlink."]]></content>\n"; |
45034273 SS |
812 | if ($link['tags']!='') // Adding tags to each ATOM entry (as mentioned in ATOM specification) |
813 | { | |
814 | foreach(explode(' ',$link['tags']) as $tag) | |
5f85fcd8 | 815 | { $entries.='<category scheme="'.$pageaddr.'" term="'.$tag.'" />'."\n"; } |
45034273 SS |
816 | } |
817 | $entries.="</entry>\n"; | |
818 | $i++; | |
819 | } | |
820 | $feed='<?xml version="1.0" encoding="UTF-8"?><feed xmlns="http://www.w3.org/2005/Atom">'; | |
5f85fcd8 A |
821 | $feed.='<title>'.$GLOBALS['title'].'</title>'; |
822 | if (!$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn()) $feed.='<updated>'.escape($latestDate).'</updated>'; | |
823 | $feed.='<link rel="self" href="'.escape(serverUrl().$_SERVER["REQUEST_URI"]).'" />'; | |
45034273 SS |
824 | if (!empty($GLOBALS['config']['PUBSUBHUB_URL'])) |
825 | { | |
826 | $feed.='<!-- PubSubHubbub Discovery -->'; | |
5f85fcd8 | 827 | $feed.='<link rel="hub" href="'.escape($GLOBALS['config']['PUBSUBHUB_URL']).'" />'; |
45034273 SS |
828 | $feed.='<!-- End Of PubSubHubbub Discovery -->'; |
829 | } | |
5f85fcd8 A |
830 | $feed.='<author><name>'.$pageaddr.'</name><uri>'.$pageaddr.'</uri></author>'; |
831 | $feed.='<id>'.$pageaddr.'</id>'."\n\n"; // Yes, I know I should use a real IRI (RFC3987), but the site URL will do. | |
45034273 | 832 | $feed.=$entries; |
5f85fcd8 | 833 | $feed.='</feed><!-- Cached version of '.escape(pageUrl()).' -->'; |
45034273 | 834 | echo $feed; |
bb8f712d | 835 | |
45034273 SS |
836 | $cache->cache(ob_get_contents()); |
837 | ob_end_flush(); | |
838 | exit; | |
839 | } | |
840 | ||
841 | // ------------------------------------------------------------------------------------------ | |
842 | // Daily RSS feed: 1 RSS entry per day giving all the links on that day. | |
843 | // Gives the last 7 days (which have links). | |
844 | // This RSS feed cannot be filtered. | |
f3b8f9f0 | 845 | function showDailyRSS() { |
45034273 SS |
846 | // Cache system |
847 | $query = $_SERVER["QUERY_STRING"]; | |
01e48f26 V |
848 | $cache = new CachedPage( |
849 | $GLOBALS['config']['PAGECACHE'], | |
850 | pageUrl(), | |
851 | startsWith($query,'do=dailyrss') && !isLoggedIn() | |
852 | ); | |
f3b8f9f0 A |
853 | $cached = $cache->cachedVersion(); |
854 | if (!empty($cached)) { | |
855 | echo $cached; | |
856 | exit; | |
857 | } | |
9f15ca9e | 858 | |
f3b8f9f0 A |
859 | // If cached was not found (or not usable), then read the database and build the response: |
860 | // Read links from database (and filter private links if used it not logged in). | |
9f15ca9e | 861 | $LINKSDB = new LinkDB( |
9c8752a2 | 862 | $GLOBALS['config']['DATASTORE'], |
9f15ca9e V |
863 | isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI'], |
864 | $GLOBALS['config']['HIDE_PUBLIC_LINKS'] | |
865 | ); | |
bb8f712d | 866 | |
45034273 SS |
867 | /* Some Shaarlies may have very few links, so we need to look |
868 | back in time (rsort()) until we have enough days ($nb_of_days). | |
869 | */ | |
f3b8f9f0 A |
870 | $linkdates = array(); |
871 | foreach ($LINKSDB as $linkdate => $value) { | |
872 | $linkdates[] = $linkdate; | |
873 | } | |
45034273 | 874 | rsort($linkdates); |
f3b8f9f0 A |
875 | $nb_of_days = 7; // We take 7 days. |
876 | $today = Date('Ymd'); | |
877 | $days = array(); | |
878 | ||
879 | foreach ($linkdates as $linkdate) { | |
880 | $day = substr($linkdate, 0, 8); // Extract day (without time) | |
881 | if (strcmp($day,$today) < 0) { | |
882 | if (empty($days[$day])) { | |
883 | $days[$day] = array(); | |
884 | } | |
885 | $days[$day][] = $linkdate; | |
886 | } | |
887 | ||
888 | if (count($days) > $nb_of_days) { | |
889 | break; // Have we collected enough days? | |
45034273 | 890 | } |
45034273 | 891 | } |
bb8f712d | 892 | |
45034273 SS |
893 | // Build the RSS feed. |
894 | header('Content-Type: application/rss+xml; charset=utf-8'); | |
f3b8f9f0 | 895 | $pageaddr = escape(indexUrl()); |
45034273 | 896 | echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0">'; |
f3b8f9f0 A |
897 | echo '<channel>'; |
898 | echo '<title>Daily - '. $GLOBALS['title'] . '</title>'; | |
899 | echo '<link>'. $pageaddr .'</link>'; | |
900 | echo '<description>Daily shared links</description>'; | |
901 | echo '<language>en-en</language>'; | |
902 | echo '<copyright>'. $pageaddr .'</copyright>'. PHP_EOL; | |
903 | ||
904 | // For each day. | |
905 | foreach ($days as $day => $linkdates) { | |
906 | $daydate = linkdate2timestamp($day.'_000000'); // Full text date | |
45034273 | 907 | $rfc822date = linkdate2rfc822($day.'_000000'); |
f3b8f9f0 | 908 | $absurl = escape(indexUrl().'?do=daily&day='.$day); // Absolute URL of the corresponding "Daily" page. |
bb8f712d | 909 | |
45034273 | 910 | // Build the HTML body of this RSS entry. |
f3b8f9f0 A |
911 | $html = ''; |
912 | $href = ''; | |
913 | $links = array(); | |
914 | ||
45034273 | 915 | // We pre-format some fields for proper output. |
f3b8f9f0 | 916 | foreach ($linkdates as $linkdate) { |
45034273 | 917 | $l = $LINKSDB[$linkdate]; |
f3b8f9f0 | 918 | $l['formatedDescription'] = nl2br(keepMultipleSpaces(text2clickable($l['description']))); |
bb8f712d | 919 | $l['thumbnail'] = thumbnail($l['url']); |
a5752e77 | 920 | $l['timestamp'] = linkdate2timestamp($l['linkdate']); |
f3b8f9f0 A |
921 | if (startsWith($l['url'], '?')) { |
922 | $l['url'] = indexUrl() . $l['url']; // make permalink URL absolute | |
923 | } | |
924 | $links[$linkdate] = $l; | |
45034273 | 925 | } |
f3b8f9f0 | 926 | |
45034273 | 927 | // Then build the HTML for this day: |
bb8f712d | 928 | $tpl = new RainTPL; |
f3b8f9f0 A |
929 | $tpl->assign('title', $GLOBALS['title']); |
930 | $tpl->assign('daydate', $daydate); | |
931 | $tpl->assign('absurl', $absurl); | |
932 | $tpl->assign('links', $links); | |
933 | $tpl->assign('rfc822date', escape($rfc822date)); | |
934 | $html = $tpl->draw('dailyrss', $return_string=true); | |
45034273 | 935 | |
f3b8f9f0 | 936 | echo $html . PHP_EOL; |
bb8f712d | 937 | } |
f3b8f9f0 | 938 | echo '</channel></rss><!-- Cached version of '. escape(pageUrl()) .' -->'; |
bb8f712d | 939 | |
45034273 SS |
940 | $cache->cache(ob_get_contents()); |
941 | ob_end_flush(); | |
942 | exit; | |
943 | } | |
944 | ||
945 | // "Daily" page. | |
946 | function showDaily() | |
947 | { | |
9f15ca9e | 948 | $LINKSDB = new LinkDB( |
9c8752a2 | 949 | $GLOBALS['config']['DATASTORE'], |
9f15ca9e V |
950 | isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI'], |
951 | $GLOBALS['config']['HIDE_PUBLIC_LINKS'] | |
952 | ); | |
45034273 SS |
953 | |
954 | $day=Date('Ymd',strtotime('-1 day')); // Yesterday, in format YYYYMMDD. | |
955 | if (isset($_GET['day'])) $day=$_GET['day']; | |
bb8f712d | 956 | |
45034273 SS |
957 | $days = $LINKSDB->days(); |
958 | $i = array_search($day,$days); | |
f3db3774 | 959 | if ($i===false) { $i=count($days)-1; $day=$days[$i]; } |
bb8f712d KT |
960 | $previousday=''; |
961 | $nextday=''; | |
45034273 SS |
962 | if ($i!==false) |
963 | { | |
f3db3774 | 964 | if ($i>=1) $previousday=$days[$i-1]; |
45034273 SS |
965 | if ($i<count($days)-1) $nextday=$days[$i+1]; |
966 | } | |
967 | ||
9186ab95 V |
968 | try { |
969 | $linksToDisplay = $LINKSDB->filterDay($day); | |
970 | } catch (Exception $exc) { | |
971 | error_log($exc); | |
d1e2f8e5 | 972 | $linksToDisplay = array(); |
9186ab95 V |
973 | } |
974 | ||
45034273 SS |
975 | // We pre-format some fields for proper output. |
976 | foreach($linksToDisplay as $key=>$link) | |
977 | { | |
5f85fcd8 | 978 | |
dd62b9ba SS |
979 | $taglist = explode(' ',$link['tags']); |
980 | uasort($taglist, 'strcasecmp'); | |
981 | $linksToDisplay[$key]['taglist']=$taglist; | |
5f85fcd8 | 982 | $linksToDisplay[$key]['formatedDescription']=nl2br(keepMultipleSpaces(text2clickable($link['description']))); |
bb8f712d | 983 | $linksToDisplay[$key]['thumbnail'] = thumbnail($link['url']); |
a5752e77 | 984 | $linksToDisplay[$key]['timestamp'] = linkdate2timestamp($link['linkdate']); |
45034273 | 985 | } |
bb8f712d | 986 | |
45034273 | 987 | /* We need to spread the articles on 3 columns. |
ad6c27b7 | 988 | I did not want to use a JavaScript lib like http://masonry.desandro.com/ |
bb8f712d | 989 | so I manually spread entries with a simple method: I roughly evaluate the |
45034273 SS |
990 | height of a div according to title and description length. |
991 | */ | |
992 | $columns=array(array(),array(),array()); // Entries to display, for each column. | |
993 | $fill=array(0,0,0); // Rough estimate of columns fill. | |
994 | foreach($linksToDisplay as $key=>$link) | |
995 | { | |
996 | // Roughly estimate length of entry (by counting characters) | |
997 | // Title: 30 chars = 1 line. 1 line is 30 pixels height. | |
998 | // Description: 836 characters gives roughly 342 pixel height. | |
ad6c27b7 | 999 | // This is not perfect, but it's usually OK. |
45034273 SS |
1000 | $length=strlen($link['title'])+(342*strlen($link['description']))/836; |
1001 | if ($link['thumbnail']) $length +=100; // 1 thumbnails roughly takes 100 pixels height. | |
1002 | // Then put in column which is the less filled: | |
1003 | $smallest=min($fill); // find smallest value in array. | |
1004 | $index=array_search($smallest,$fill); // find index of this smallest value. | |
1005 | array_push($columns[$index],$link); // Put entry in this column. | |
1006 | $fill[$index]+=$length; | |
1007 | } | |
1008 | $PAGE = new pageBuilder; | |
1009 | $PAGE->assign('linksToDisplay',$linksToDisplay); | |
1010 | $PAGE->assign('linkcount',count($LINKSDB)); | |
cae64e52 | 1011 | $PAGE->assign('cols', $columns); |
4de71445 | 1012 | $PAGE->assign('day',linkdate2timestamp($day.'_000000')); |
45034273 | 1013 | $PAGE->assign('previousday',$previousday); |
bb8f712d | 1014 | $PAGE->assign('nextday',$nextday); |
45034273 SS |
1015 | $PAGE->renderPage('daily'); |
1016 | exit; | |
1017 | } | |
1018 | ||
1019 | ||
1020 | // ------------------------------------------------------------------------------------------ | |
1021 | // Render HTML page (according to URL parameters and user rights) | |
1022 | function renderPage() | |
1023 | { | |
9f15ca9e | 1024 | $LINKSDB = new LinkDB( |
9c8752a2 | 1025 | $GLOBALS['config']['DATASTORE'], |
9f15ca9e V |
1026 | isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI'], |
1027 | $GLOBALS['config']['HIDE_PUBLIC_LINKS'] | |
1028 | ); | |
45034273 SS |
1029 | |
1030 | // -------- Display login form. | |
1031 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=login')) | |
1032 | { | |
1033 | if ($GLOBALS['config']['OPEN_SHAARLI']) { header('Location: ?'); exit; } // No need to login for open Shaarli | |
1034 | $token=''; if (ban_canLogin()) $token=getToken(); // Do not waste token generation if not useful. | |
1035 | $PAGE = new pageBuilder; | |
1036 | $PAGE->assign('token',$token); | |
5f85fcd8 | 1037 | $PAGE->assign('returnurl',(isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']):'')); |
45034273 SS |
1038 | $PAGE->renderPage('loginform'); |
1039 | exit; | |
1040 | } | |
1041 | // -------- User wants to logout. | |
1042 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=logout')) | |
1043 | { | |
01e48f26 | 1044 | invalidateCaches($GLOBALS['config']['PAGECACHE']); |
45034273 SS |
1045 | logout(); |
1046 | header('Location: ?'); | |
1047 | exit; | |
1048 | } | |
1049 | ||
1050 | // -------- Picture wall | |
1051 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=picwall')) | |
1052 | { | |
ad6c27b7 | 1053 | // Optionally filter the results: |
45034273 SS |
1054 | $links=array(); |
1055 | if (!empty($_GET['searchterm'])) $links = $LINKSDB->filterFulltext($_GET['searchterm']); | |
1056 | elseif (!empty($_GET['searchtags'])) $links = $LINKSDB->filterTags(trim($_GET['searchtags'])); | |
1057 | else $links = $LINKSDB; | |
f3db3774 | 1058 | |
45034273 SS |
1059 | $body=''; |
1060 | $linksToDisplay=array(); | |
1061 | ||
1062 | // Get only links which have a thumbnail. | |
1063 | foreach($links as $link) | |
1064 | { | |
5f85fcd8 | 1065 | $permalink='?'.escape(smallhash($link['linkdate'])); |
45034273 SS |
1066 | $thumb=lazyThumbnail($link['url'],$permalink); |
1067 | if ($thumb!='') // Only output links which have a thumbnail. | |
1068 | { | |
1069 | $link['thumbnail']=$thumb; // Thumbnail HTML code. | |
45034273 SS |
1070 | $linksToDisplay[]=$link; // Add to array. |
1071 | } | |
1072 | } | |
f3db3774 | 1073 | |
45034273 SS |
1074 | $PAGE = new pageBuilder; |
1075 | $PAGE->assign('linkcount',count($LINKSDB)); | |
1076 | $PAGE->assign('linksToDisplay',$linksToDisplay); | |
1077 | $PAGE->renderPage('picwall'); | |
1078 | exit; | |
1079 | } | |
1080 | ||
1081 | // -------- Tag cloud | |
1082 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=tagcloud')) | |
1083 | { | |
1084 | $tags= $LINKSDB->allTags(); | |
a037ac69 | 1085 | |
45034273 SS |
1086 | // We sort tags alphabetically, then choose a font size according to count. |
1087 | // First, find max value. | |
1088 | $maxcount=0; foreach($tags as $key=>$value) $maxcount=max($maxcount,$value); | |
1089 | ksort($tags); | |
1090 | $tagList=array(); | |
1091 | foreach($tags as $key=>$value) | |
1e3b2740 | 1092 | // Tag font size scaling: default 15 and 30 logarithm bases affect scaling, 22 and 6 are arbitrary font sizes for max and min sizes. |
45034273 | 1093 | { |
1e3b2740 | 1094 | $tagList[$key] = array('count'=>$value,'size'=>log($value, 15) / log($maxcount, 30) * (22-6) + 6); |
45034273 SS |
1095 | } |
1096 | $PAGE = new pageBuilder; | |
1097 | $PAGE->assign('linkcount',count($LINKSDB)); | |
1098 | $PAGE->assign('tags',$tagList); | |
1099 | $PAGE->renderPage('tagcloud'); | |
bb8f712d | 1100 | exit; |
45034273 SS |
1101 | } |
1102 | ||
1103 | // -------- User clicks on a tag in a link: The tag is added to the list of searched tags (searchtags=...) | |
1104 | if (isset($_GET['addtag'])) | |
1105 | { | |
1106 | // Get previous URL (http_referer) and add the tag to the searchtags parameters in query. | |
1107 | if (empty($_SERVER['HTTP_REFERER'])) { header('Location: ?searchtags='.urlencode($_GET['addtag'])); exit; } // In case browser does not send HTTP_REFERER | |
1108 | parse_str(parse_url($_SERVER['HTTP_REFERER'],PHP_URL_QUERY), $params); | |
732e683b | 1109 | |
775803a0 A |
1110 | // Prevent redirection loop |
1111 | if (isset($params['addtag'])) { | |
1112 | unset($params['addtag']); | |
1113 | } | |
1114 | ||
732e683b FE |
1115 | // Check if this tag is already in the search query and ignore it if it is. |
1116 | // Each tag is always separated by a space | |
6ac95d9c A |
1117 | if (isset($params['searchtags'])) { |
1118 | $current_tags = explode(' ', $params['searchtags']); | |
1119 | } else { | |
1120 | $current_tags = array(); | |
1121 | } | |
732e683b FE |
1122 | $addtag = true; |
1123 | foreach ($current_tags as $value) { | |
1124 | if ($value === $_GET['addtag']) { | |
1125 | $addtag = false; | |
1126 | break; | |
1127 | } | |
1128 | } | |
1129 | // Append the tag if necessary | |
1130 | if (empty($params['searchtags'])) { | |
1131 | $params['searchtags'] = trim($_GET['addtag']); | |
1132 | } | |
1133 | else if ($addtag) { | |
1134 | $params['searchtags'] = trim($params['searchtags']).' '.trim($_GET['addtag']); | |
1135 | } | |
1136 | ||
45034273 SS |
1137 | unset($params['page']); // We also remove page (keeping the same page has no sense, since the results are different) |
1138 | header('Location: ?'.http_build_query($params)); | |
1139 | exit; | |
1140 | } | |
1141 | ||
1142 | // -------- User clicks on a tag in result count: Remove the tag from the list of searched tags (searchtags=...) | |
775803a0 | 1143 | if (isset($_GET['removetag'])) { |
45034273 | 1144 | // Get previous URL (http_referer) and remove the tag from the searchtags parameters in query. |
775803a0 A |
1145 | if (empty($_SERVER['HTTP_REFERER'])) { |
1146 | header('Location: ?'); | |
1147 | exit; | |
1148 | } | |
1149 | ||
1150 | // In case browser does not send HTTP_REFERER | |
1151 | parse_str(parse_url($_SERVER['HTTP_REFERER'], PHP_URL_QUERY), $params); | |
1152 | ||
1153 | // Prevent redirection loop | |
1154 | if (isset($params['removetag'])) { | |
1155 | unset($params['removetag']); | |
1156 | } | |
1157 | ||
1158 | if (isset($params['searchtags'])) { | |
45034273 SS |
1159 | $tags = explode(' ',$params['searchtags']); |
1160 | $tags=array_diff($tags, array($_GET['removetag'])); // Remove value from array $tags. | |
775803a0 A |
1161 | if (count($tags)==0) { |
1162 | unset($params['searchtags']); | |
1163 | } else { | |
1164 | $params['searchtags'] = implode(' ',$tags); | |
1165 | } | |
45034273 SS |
1166 | unset($params['page']); // We also remove page (keeping the same page has no sense, since the results are different) |
1167 | } | |
1168 | header('Location: ?'.http_build_query($params)); | |
1169 | exit; | |
1170 | } | |
1171 | ||
1172 | // -------- User wants to change the number of links per page (linksperpage=...) | |
775803a0 A |
1173 | if (isset($_GET['linksperpage'])) { |
1174 | if (is_numeric($_GET['linksperpage'])) { | |
1175 | $_SESSION['LINKS_PER_PAGE']=abs(intval($_GET['linksperpage'])); | |
1176 | } | |
1177 | ||
1178 | header('Location: '. generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('linksperpage'))); | |
45034273 SS |
1179 | exit; |
1180 | } | |
bb8f712d | 1181 | |
45034273 | 1182 | // -------- User wants to see only private links (toggle) |
775803a0 A |
1183 | if (isset($_GET['privateonly'])) { |
1184 | if (empty($_SESSION['privateonly'])) { | |
1185 | $_SESSION['privateonly'] = 1; // See only private links | |
1186 | } else { | |
45034273 SS |
1187 | unset($_SESSION['privateonly']); // See all links |
1188 | } | |
775803a0 A |
1189 | |
1190 | header('Location: '. generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('privateonly'))); | |
45034273 SS |
1191 | exit; |
1192 | } | |
1193 | ||
1194 | // -------- Handle other actions allowed for non-logged in users: | |
1195 | if (!isLoggedIn()) | |
1196 | { | |
ad6c27b7 | 1197 | // User tries to post new link but is not logged in: |
45034273 SS |
1198 | // Show login screen, then redirect to ?post=... |
1199 | if (isset($_GET['post'])) | |
1200 | { | |
a1795ddc | 1201 | header('Location: ?do=login&post='.urlencode($_GET['post']).(!empty($_GET['title'])?'&title='.urlencode($_GET['title']):'').(!empty($_GET['description'])?'&description='.urlencode($_GET['description']):'').(!empty($_GET['source'])?'&source='.urlencode($_GET['source']):'')); // Redirect to login page, then back to post link. |
45034273 SS |
1202 | exit; |
1203 | } | |
aedc912d FE |
1204 | |
1205 | // Same case as above except that user tried to access ?do=addlink without being logged in | |
1206 | // Note: passing empty parameters makes Shaarli generate default URLs and descriptions. | |
1207 | if (isset($_GET['do']) && $_GET['do'] === 'addlink') { | |
1208 | header('Location: ?do=login&post='); | |
1209 | exit; | |
1210 | } | |
1211 | ||
5fbabbb9 A |
1212 | if (isset($_GET['edit_link'])) { |
1213 | header('Location: ?do=login&edit_link='. escape($_GET['edit_link'])); | |
1214 | exit; | |
1215 | } | |
1216 | ||
45034273 SS |
1217 | $PAGE = new pageBuilder; |
1218 | buildLinkList($PAGE,$LINKSDB); // Compute list of links to display | |
1219 | $PAGE->renderPage('linklist'); | |
ad6c27b7 | 1220 | exit; // Never remove this one! All operations below are reserved for logged in user. |
45034273 SS |
1221 | } |
1222 | ||
1223 | // -------- All other functions are reserved for the registered user: | |
1224 | ||
1225 | // -------- Display the Tools menu if requested (import/export/bookmarklet...) | |
1226 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=tools')) | |
1227 | { | |
1228 | $PAGE = new pageBuilder; | |
1229 | $PAGE->assign('linkcount',count($LINKSDB)); | |
1230 | $PAGE->assign('pageabsaddr',indexUrl()); | |
1231 | $PAGE->renderPage('tools'); | |
1232 | exit; | |
1233 | } | |
1234 | ||
1235 | // -------- User wants to change his/her password. | |
1236 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=changepasswd')) | |
1237 | { | |
1238 | if ($GLOBALS['config']['OPEN_SHAARLI']) die('You are not supposed to change a password on an Open Shaarli.'); | |
1239 | if (!empty($_POST['setpassword']) && !empty($_POST['oldpassword'])) | |
1240 | { | |
ad6c27b7 | 1241 | if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away! |
45034273 SS |
1242 | |
1243 | // Make sure old password is correct. | |
1244 | $oldhash = sha1($_POST['oldpassword'].$GLOBALS['login'].$GLOBALS['salt']); | |
fe16b01e | 1245 | if ($oldhash!=$GLOBALS['hash']) { echo '<script>alert("The old password is not correct.");document.location=\'?do=changepasswd\';</script>'; exit; } |
45034273 SS |
1246 | // Save new password |
1247 | $GLOBALS['salt'] = sha1(uniqid('',true).'_'.mt_rand()); // Salt renders rainbow-tables attacks useless. | |
1248 | $GLOBALS['hash'] = sha1($_POST['setpassword'].$GLOBALS['login'].$GLOBALS['salt']); | |
dd484b90 A |
1249 | try { |
1250 | writeConfig($GLOBALS, isLoggedIn()); | |
1251 | } | |
1252 | catch(Exception $e) { | |
1253 | error_log( | |
1254 | 'ERROR while writing config file after changing password.' . PHP_EOL . | |
1255 | $e->getMessage() | |
1256 | ); | |
1257 | ||
1258 | // TODO: do not handle exceptions/errors in JS. | |
1259 | echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do=tools\';</script>'; | |
1260 | exit; | |
1261 | } | |
fe16b01e | 1262 | echo '<script>alert("Your password has been changed.");document.location=\'?do=tools\';</script>'; |
45034273 SS |
1263 | exit; |
1264 | } | |
1265 | else // show the change password form. | |
1266 | { | |
1267 | $PAGE = new pageBuilder; | |
1268 | $PAGE->assign('linkcount',count($LINKSDB)); | |
1269 | $PAGE->assign('token',getToken()); | |
1270 | $PAGE->renderPage('changepassword'); | |
1271 | exit; | |
1272 | } | |
1273 | } | |
1274 | ||
1275 | // -------- User wants to change configuration | |
1276 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=configure')) | |
1277 | { | |
1278 | if (!empty($_POST['title']) ) | |
1279 | { | |
ad6c27b7 | 1280 | if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away! |
45034273 SS |
1281 | $tz = 'UTC'; |
1282 | if (!empty($_POST['continent']) && !empty($_POST['city'])) | |
d1e2f8e5 | 1283 | if (isTimeZoneValid($_POST['continent'],$_POST['city'])) |
45034273 SS |
1284 | $tz = $_POST['continent'].'/'.$_POST['city']; |
1285 | $GLOBALS['timezone'] = $tz; | |
1286 | $GLOBALS['title']=$_POST['title']; | |
ebb2880d | 1287 | $GLOBALS['titleLink']=$_POST['titleLink']; |
45034273 SS |
1288 | $GLOBALS['redirector']=$_POST['redirector']; |
1289 | $GLOBALS['disablesessionprotection']=!empty($_POST['disablesessionprotection']); | |
bb8f712d | 1290 | $GLOBALS['privateLinkByDefault']=!empty($_POST['privateLinkByDefault']); |
ed5b38dd | 1291 | $GLOBALS['config']['ENABLE_RSS_PERMALINKS']= !empty($_POST['enableRssPermalinks']); |
329e0768 | 1292 | $GLOBALS['config']['ENABLE_UPDATECHECK'] = !empty($_POST['updateCheck']); |
caee7ff9 | 1293 | $GLOBALS['config']['HIDE_PUBLIC_LINKS'] = !empty($_POST['hidePublicLinks']); |
dd484b90 A |
1294 | try { |
1295 | writeConfig($GLOBALS, isLoggedIn()); | |
1296 | } | |
1297 | catch(Exception $e) { | |
1298 | error_log( | |
1299 | 'ERROR while writing config file after configuration update.' . PHP_EOL . | |
1300 | $e->getMessage() | |
1301 | ); | |
1302 | ||
1303 | // TODO: do not handle exceptions/errors in JS. | |
1304 | echo '<script>alert("'. $e->getMessage() .'");document.location=\'?do=tools\';</script>'; | |
1305 | exit; | |
1306 | } | |
fe16b01e | 1307 | echo '<script>alert("Configuration was saved.");document.location=\'?do=tools\';</script>'; |
45034273 SS |
1308 | exit; |
1309 | } | |
1310 | else // Show the configuration form. | |
1311 | { | |
1312 | $PAGE = new pageBuilder; | |
1313 | $PAGE->assign('linkcount',count($LINKSDB)); | |
1314 | $PAGE->assign('token',getToken()); | |
5f85fcd8 A |
1315 | $PAGE->assign('title', empty($GLOBALS['title']) ? '' : $GLOBALS['title'] ); |
1316 | $PAGE->assign('redirector', empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector'] ); | |
d1e2f8e5 V |
1317 | list($timezone_form, $timezone_js) = generateTimeZoneForm($GLOBALS['timezone']); |
1318 | $PAGE->assign('timezone_form', $timezone_form); | |
45034273 SS |
1319 | $PAGE->assign('timezone_js',$timezone_js); |
1320 | $PAGE->renderPage('configure'); | |
1321 | exit; | |
1322 | } | |
1323 | } | |
1324 | ||
1325 | // -------- User wants to rename a tag or delete it | |
1326 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=changetag')) | |
1327 | { | |
1328 | if (empty($_POST['fromtag'])) | |
1329 | { | |
1330 | $PAGE = new pageBuilder; | |
1331 | $PAGE->assign('linkcount',count($LINKSDB)); | |
1332 | $PAGE->assign('token',getToken()); | |
bdd1715b | 1333 | $PAGE->assign('tags', $LINKSDB->allTags()); |
45034273 SS |
1334 | $PAGE->renderPage('changetag'); |
1335 | exit; | |
1336 | } | |
1337 | if (!tokenOk($_POST['token'])) die('Wrong token.'); | |
1338 | ||
1339 | // Delete a tag: | |
1340 | if (!empty($_POST['deletetag']) && !empty($_POST['fromtag'])) | |
1341 | { | |
1342 | $needle=trim($_POST['fromtag']); | |
ad6c27b7 | 1343 | $linksToAlter = $LINKSDB->filterTags($needle,true); // True for case-sensitive tag search. |
45034273 SS |
1344 | foreach($linksToAlter as $key=>$value) |
1345 | { | |
1346 | $tags = explode(' ',trim($value['tags'])); | |
1347 | unset($tags[array_search($needle,$tags)]); // Remove tag. | |
1348 | $value['tags']=trim(implode(' ',$tags)); | |
1349 | $LINKSDB[$key]=$value; | |
1350 | } | |
01e48f26 | 1351 | $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // Save to disk. |
fe16b01e | 1352 | echo '<script>alert("Tag was removed from '.count($linksToAlter).' links.");document.location=\'?\';</script>'; |
45034273 SS |
1353 | exit; |
1354 | } | |
1355 | ||
1356 | // Rename a tag: | |
1357 | if (!empty($_POST['renametag']) && !empty($_POST['fromtag']) && !empty($_POST['totag'])) | |
1358 | { | |
1359 | $needle=trim($_POST['fromtag']); | |
1360 | $linksToAlter = $LINKSDB->filterTags($needle,true); // true for case-sensitive tag search. | |
1361 | foreach($linksToAlter as $key=>$value) | |
1362 | { | |
1363 | $tags = explode(' ',trim($value['tags'])); | |
ad6c27b7 | 1364 | $tags[array_search($needle,$tags)] = trim($_POST['totag']); // Replace tags value. |
45034273 SS |
1365 | $value['tags']=trim(implode(' ',$tags)); |
1366 | $LINKSDB[$key]=$value; | |
1367 | } | |
01e48f26 | 1368 | $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // Save to disk. |
fe16b01e | 1369 | echo '<script>alert("Tag was renamed in '.count($linksToAlter).' links.");document.location=\'?searchtags='.urlencode($_POST['totag']).'\';</script>'; |
45034273 SS |
1370 | exit; |
1371 | } | |
1372 | } | |
1373 | ||
ad6c27b7 | 1374 | // -------- User wants to add a link without using the bookmarklet: Show form. |
45034273 SS |
1375 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=addlink')) |
1376 | { | |
1377 | $PAGE = new pageBuilder; | |
1378 | $PAGE->assign('linkcount',count($LINKSDB)); | |
1379 | $PAGE->renderPage('addlink'); | |
1380 | exit; | |
1381 | } | |
1382 | ||
1383 | // -------- User clicked the "Save" button when editing a link: Save link to database. | |
1384 | if (isset($_POST['save_edit'])) | |
1385 | { | |
ad6c27b7 | 1386 | if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away! |
45034273 | 1387 | $tags = trim(preg_replace('/\s\s+/',' ', $_POST['lf_tags'])); // Remove multiple spaces. |
781e8aad | 1388 | $tags = implode(' ', array_unique(explode(' ', $tags))); // Remove duplicates. |
45034273 | 1389 | $linkdate=$_POST['lf_linkdate']; |
feebc6d4 | 1390 | $url = trim($_POST['lf_url']); |
f81139c9 | 1391 | if (!startsWith($url,'http:') && !startsWith($url,'https:') && !startsWith($url,'ftp:') && !startsWith($url,'magnet:') && !startsWith($url,'?') && !startsWith($url,'javascript:')) |
feebc6d4 SS |
1392 | $url = 'http://'.$url; |
1393 | $link = array('title'=>trim($_POST['lf_title']),'url'=>$url,'description'=>trim($_POST['lf_description']),'private'=>(isset($_POST['lf_private']) ? 1 : 0), | |
45034273 SS |
1394 | 'linkdate'=>$linkdate,'tags'=>str_replace(',',' ',$tags)); |
1395 | if ($link['title']=='') $link['title']=$link['url']; // If title is empty, use the URL as title. | |
1396 | $LINKSDB[$linkdate] = $link; | |
01e48f26 | 1397 | $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // Save to disk. |
45034273 SS |
1398 | pubsubhub(); |
1399 | ||
1400 | // If we are called from the bookmarklet, we must close the popup: | |
d33c5d4c | 1401 | if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { echo '<script>self.close();</script>'; exit; } |
775803a0 A |
1402 | $returnurl = ( !empty($_POST['returnurl']) ? escape($_POST['returnurl']) : '?' ); |
1403 | $returnurl .= '#'.smallHash($_POST['lf_linkdate']); // Scroll to the link which has been edited. | |
1404 | $location = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link')); | |
1405 | header('Location: '. $location); // After saving the link, redirect to the page the user was on. | |
45034273 SS |
1406 | exit; |
1407 | } | |
1408 | ||
1409 | // -------- User clicked the "Cancel" button when editing a link. | |
1410 | if (isset($_POST['cancel_edit'])) | |
1411 | { | |
ad6c27b7 | 1412 | // If we are called from the bookmarklet, we must close the popup: |
d33c5d4c | 1413 | if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { echo '<script>self.close();</script>'; exit; } |
45034273 | 1414 | $returnurl = ( isset($_POST['returnurl']) ? $_POST['returnurl'] : '?' ); |
b342b2a4 | 1415 | $returnurl .= '#'.smallHash($_POST['lf_linkdate']); // Scroll to the link which has been edited. |
775803a0 | 1416 | $returnurl = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link')); |
45034273 SS |
1417 | header('Location: '.$returnurl); // After canceling, redirect to the page the user was on. |
1418 | exit; | |
1419 | } | |
1420 | ||
ad6c27b7 | 1421 | // -------- User clicked the "Delete" button when editing a link: Delete link from database. |
45034273 SS |
1422 | if (isset($_POST['delete_link'])) |
1423 | { | |
1424 | if (!tokenOk($_POST['token'])) die('Wrong token.'); | |
1425 | // We do not need to ask for confirmation: | |
ad6c27b7 | 1426 | // - confirmation is handled by JavaScript |
45034273 SS |
1427 | // - we are protected from XSRF by the token. |
1428 | $linkdate=$_POST['lf_linkdate']; | |
1429 | unset($LINKSDB[$linkdate]); | |
01e48f26 | 1430 | $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // save to disk |
45034273 SS |
1431 | |
1432 | // If we are called from the bookmarklet, we must close the popup: | |
d33c5d4c | 1433 | if (isset($_GET['source']) && ($_GET['source']=='bookmarklet' || $_GET['source']=='firefoxsocialapi')) { echo '<script>self.close();</script>'; exit; } |
d528433d | 1434 | // Pick where we're going to redirect |
1435 | // ============================================================= | |
1436 | // Basically, we can't redirect to where we were previously if it was a permalink | |
1437 | // or an edit_link, because it would 404. | |
1438 | // Cases: | |
1439 | // - / : nothing in $_GET, redirect to self | |
1440 | // - /?page : redirect to self | |
d33c5d4c | 1441 | // - /?searchterm : redirect to self (there might be other links) |
d528433d | 1442 | // - /?searchtags : redirect to self |
1443 | // - /permalink : redirect to / (the link does not exist anymore) | |
1444 | // - /?edit_link : redirect to / (the link does not exist anymore) | |
1445 | // PHP treats the permalink as a $_GET variable, so we need to check if every condition for self | |
1446 | // redirect is not satisfied, and only then redirect to / | |
1447 | $location = "?"; | |
1448 | // Self redirection | |
775803a0 A |
1449 | if (count($_GET) == 0 |
1450 | || isset($_GET['page']) | |
1451 | || isset($_GET['searchterm']) | |
1452 | || isset($_GET['searchtags']) | |
1453 | ) { | |
d528433d | 1454 | if (isset($_POST['returnurl'])) { |
1455 | $location = $_POST['returnurl']; // Handle redirects given by the form | |
775803a0 A |
1456 | } else { |
1457 | $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('delete_link')); | |
d528433d | 1458 | } |
1459 | } | |
1460 | ||
1461 | header('Location: ' . $location); // After deleting the link, redirect to appropriate location | |
45034273 SS |
1462 | exit; |
1463 | } | |
1464 | ||
1465 | // -------- User clicked the "EDIT" button on a link: Display link edit form. | |
1466 | if (isset($_GET['edit_link'])) | |
1467 | { | |
1468 | $link = $LINKSDB[$_GET['edit_link']]; // Read database | |
1469 | if (!$link) { header('Location: ?'); exit; } // Link not found in database. | |
1470 | $PAGE = new pageBuilder; | |
1471 | $PAGE->assign('linkcount',count($LINKSDB)); | |
1472 | $PAGE->assign('link',$link); | |
1473 | $PAGE->assign('link_is_new',false); | |
1474 | $PAGE->assign('token',getToken()); // XSRF protection. | |
5f85fcd8 | 1475 | $PAGE->assign('http_referer',(isset($_SERVER['HTTP_REFERER']) ? escape($_SERVER['HTTP_REFERER']) : '')); |
bdd1715b | 1476 | $PAGE->assign('tags', $LINKSDB->allTags()); |
45034273 SS |
1477 | $PAGE->renderPage('editlink'); |
1478 | exit; | |
1479 | } | |
1480 | ||
1481 | // -------- User want to post a new link: Display link edit form. | |
1482 | if (isset($_GET['post'])) | |
1483 | { | |
1484 | $url=$_GET['post']; | |
1485 | ||
ad2a397c | 1486 | // We remove the annoying parameters added by FeedBurner, GoogleFeedProxy, Facebook... |
cbecab77 | 1487 | $annoyingpatterns = array('/[\?&]utm_source=[^&]*/', |
1488 | '/[\?&]utm_campaign=[^&]*/', | |
1489 | '/[\?&]utm_medium=[^&]*/', | |
1490 | '/#xtor=RSS-[^&]*/', | |
1491 | '/[\?&]fb_[^&]*/', | |
1492 | '/[\?&]__scoop[^&]*/', | |
1493 | '/#tk\.rss_all\?/', | |
1494 | '/[\?&]action_ref_map=[^&]*/', | |
1495 | '/[\?&]action_type_map=[^&]*/', | |
1496 | '/[\?&]action_object_map=[^&]*/', | |
1497 | '/[\?&]utm_content=[^&]*/', | |
1498 | '/[\?&]fb=[^&]*/', | |
1499 | '/[\?&]xtor=[^&]*/' | |
1500 | ); | |
ad2a397c | 1501 | foreach($annoyingpatterns as $pattern) |
1502 | { | |
403a1994 | 1503 | $url = preg_replace($pattern, "", $url); |
ad2a397c | 1504 | } |
45034273 SS |
1505 | |
1506 | $link_is_new = false; | |
1507 | $link = $LINKSDB->getLinkFromUrl($url); // Check if URL is not already in database (in this case, we will edit the existing link) | |
1508 | if (!$link) | |
1509 | { | |
1510 | $link_is_new = true; // This is a new link | |
1511 | $linkdate = strval(date('Ymd_His')); | |
1512 | $title = (empty($_GET['title']) ? '' : $_GET['title'] ); // Get title if it was provided in URL (by the bookmarklet). | |
7b2186a6 | 1513 | $description = (empty($_GET['description']) ? '' : $_GET['description']); // Get description if it was provided in URL (by the bookmarklet). [Bronco added that] |
3fac0a52 | 1514 | $tags = (empty($_GET['tags']) ? '' : $_GET['tags'] ); // Get tags if it was provided in URL |
732e683b | 1515 | $private = (!empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0); // Get private if it was provided in URL |
45034273 | 1516 | if (($url!='') && parse_url($url,PHP_URL_SCHEME)=='') $url = 'http://'.$url; |
ad6c27b7 | 1517 | // If this is an HTTP link, we try go get the page to extract the title (otherwise we will to straight to the edit form.) |
45034273 SS |
1518 | if (empty($title) && parse_url($url,PHP_URL_SCHEME)=='http') |
1519 | { | |
1520 | list($status,$headers,$data) = getHTTP($url,4); // Short timeout to keep the application responsive. | |
1521 | // FIXME: Decode charset according to specified in either 1) HTTP response headers or 2) <head> in html | |
002ef0e5 SS |
1522 | if (strpos($status,'200 OK')!==false) |
1523 | { | |
1524 | // Look for charset in html header. | |
1525 | preg_match('#<meta .*charset=.*>#Usi', $data, $meta); | |
732e683b | 1526 | |
002ef0e5 SS |
1527 | // If found, extract encoding. |
1528 | if (!empty($meta[0])) | |
1529 | { | |
1530 | // Get encoding specified in header. | |
1531 | preg_match('#charset="?(.*)"#si', $meta[0], $enc); | |
1532 | // If charset not found, use utf-8. | |
1533 | $html_charset = (!empty($enc[1])) ? strtolower($enc[1]) : 'utf-8'; | |
1534 | } | |
1535 | else { $html_charset = 'utf-8'; } | |
732e683b | 1536 | |
002ef0e5 SS |
1537 | // Extract title |
1538 | $title = html_extract_title($data); | |
1539 | if (!empty($title)) | |
1540 | { | |
1541 | // Re-encode title in utf-8 if necessary. | |
1542 | $title = ($html_charset == 'iso-8859-1') ? utf8_encode($title) : $title; | |
1543 | } | |
1544 | } | |
45034273 | 1545 | } |
27646ca5 | 1546 | if ($url=='') // In case of empty URL, this is just a text (with a link that points to itself) |
1547 | { | |
1548 | $url='?'.smallHash($linkdate); | |
1549 | $title='Note: '; | |
1550 | } | |
3fac0a52 | 1551 | $link = array('linkdate'=>$linkdate,'title'=>$title,'url'=>$url,'description'=>$description,'tags'=>$tags,'private'=>$private); |
45034273 SS |
1552 | } |
1553 | ||
1554 | $PAGE = new pageBuilder; | |
1555 | $PAGE->assign('linkcount',count($LINKSDB)); | |
1556 | $PAGE->assign('link',$link); | |
1557 | $PAGE->assign('link_is_new',$link_is_new); | |
1558 | $PAGE->assign('token',getToken()); // XSRF protection. | |
1559 | $PAGE->assign('http_referer',(isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '')); | |
d33c5d4c | 1560 | $PAGE->assign('source',(isset($_GET['source']) ? $_GET['source'] : '')); |
bdd1715b | 1561 | $PAGE->assign('tags', $LINKSDB->allTags()); |
45034273 SS |
1562 | $PAGE->renderPage('editlink'); |
1563 | exit; | |
1564 | } | |
1565 | ||
1566 | // -------- Export as Netscape Bookmarks HTML file. | |
1567 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=export')) | |
1568 | { | |
1569 | if (empty($_GET['what'])) | |
1570 | { | |
1571 | $PAGE = new pageBuilder; | |
1572 | $PAGE->assign('linkcount',count($LINKSDB)); | |
1573 | $PAGE->renderPage('export'); | |
1574 | exit; | |
1575 | } | |
1576 | $exportWhat=$_GET['what']; | |
ad6c27b7 | 1577 | if (!array_intersect(array('all','public','private'),array($exportWhat))) die('What are you trying to export???'); |
45034273 SS |
1578 | |
1579 | header('Content-Type: text/html; charset=utf-8'); | |
1580 | header('Content-disposition: attachment; filename=bookmarks_'.$exportWhat.'_'.strval(date('Ymd_His')).'.html'); | |
1581 | $currentdate=date('Y/m/d H:i:s'); | |
1582 | echo <<<HTML | |
1583 | <!DOCTYPE NETSCAPE-Bookmark-file-1> | |
1584 | <!-- This is an automatically generated file. | |
1585 | It will be read and overwritten. | |
1586 | DO NOT EDIT! --> | |
1587 | <!-- Shaarli {$exportWhat} bookmarks export on {$currentdate} --> | |
1588 | <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8"> | |
1589 | <TITLE>Bookmarks</TITLE> | |
1590 | <H1>Bookmarks</H1> | |
1591 | HTML; | |
1592 | foreach($LINKSDB as $link) | |
1593 | { | |
1594 | if ($exportWhat=='all' || | |
1595 | ($exportWhat=='private' && $link['private']!=0) || | |
1596 | ($exportWhat=='public' && $link['private']==0)) | |
1597 | { | |
5f85fcd8 A |
1598 | echo '<DT><A HREF="'.$link['url'].'" ADD_DATE="'.linkdate2timestamp($link['linkdate']).'" PRIVATE="'.$link['private'].'"'; |
1599 | if ($link['tags']!='') echo ' TAGS="'.str_replace(' ',',',$link['tags']).'"'; | |
1600 | echo '>'.$link['title']."</A>\n"; | |
1601 | if ($link['description']!='') echo '<DD>'.$link['description']."\n"; | |
45034273 SS |
1602 | } |
1603 | } | |
1604 | exit; | |
1605 | } | |
1606 | ||
1607 | // -------- User is uploading a file for import | |
1608 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=upload')) | |
1609 | { | |
1610 | // If file is too big, some form field may be missing. | |
1611 | if (!isset($_POST['token']) || (!isset($_FILES)) || (isset($_FILES['filetoupload']['size']) && $_FILES['filetoupload']['size']==0)) | |
1612 | { | |
1613 | $returnurl = ( empty($_SERVER['HTTP_REFERER']) ? '?' : $_SERVER['HTTP_REFERER'] ); | |
5f85fcd8 | 1614 | echo '<script>alert("The file you are trying to upload is probably bigger than what this webserver can accept ('.getMaxFileSize().' bytes). Please upload in smaller chunks.");document.location=\''.escape($returnurl).'\';</script>'; |
45034273 SS |
1615 | exit; |
1616 | } | |
1617 | if (!tokenOk($_POST['token'])) die('Wrong token.'); | |
1618 | importFile(); | |
1619 | exit; | |
1620 | } | |
1621 | ||
1622 | // -------- Show upload/import dialog: | |
1623 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=import')) | |
1624 | { | |
1625 | $PAGE = new pageBuilder; | |
1626 | $PAGE->assign('linkcount',count($LINKSDB)); | |
1627 | $PAGE->assign('token',getToken()); | |
1628 | $PAGE->assign('maxfilesize',getMaxFileSize()); | |
1629 | $PAGE->renderPage('import'); | |
1630 | exit; | |
1631 | } | |
1632 | ||
1633 | // -------- Otherwise, simply display search form and links: | |
1634 | $PAGE = new pageBuilder; | |
45034273 SS |
1635 | buildLinkList($PAGE,$LINKSDB); // Compute list of links to display |
1636 | $PAGE->renderPage('linklist'); | |
1637 | exit; | |
1638 | } | |
1639 | ||
1640 | // ----------------------------------------------------------------------------------------------- | |
1641 | // Process the import file form. | |
1642 | function importFile() | |
1643 | { | |
1644 | if (!(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI'])) { die('Not allowed.'); } | |
9f15ca9e | 1645 | $LINKSDB = new LinkDB( |
9c8752a2 | 1646 | $GLOBALS['config']['DATASTORE'], |
9f15ca9e V |
1647 | isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI'], |
1648 | $GLOBALS['config']['HIDE_PUBLIC_LINKS'] | |
1649 | ); | |
45034273 SS |
1650 | $filename=$_FILES['filetoupload']['name']; |
1651 | $filesize=$_FILES['filetoupload']['size']; | |
1652 | $data=file_get_contents($_FILES['filetoupload']['tmp_name']); | |
ad6c27b7 | 1653 | $private = (empty($_POST['private']) ? 0 : 1); // Should the links be imported as private? |
1654 | $overwrite = !empty($_POST['overwrite']) ; // Should the imported links overwrite existing ones? | |
45034273 SS |
1655 | $import_count=0; |
1656 | ||
1657 | // Sniff file type: | |
1658 | $type='unknown'; | |
1659 | if (startsWith($data,'<!DOCTYPE NETSCAPE-Bookmark-file-1>')) $type='netscape'; // Netscape bookmark file (aka Firefox). | |
1660 | ||
1661 | // Then import the bookmarks. | |
1662 | if ($type=='netscape') | |
1663 | { | |
1664 | // This is a standard Netscape-style bookmark file. | |
ad6c27b7 | 1665 | // This format is supported by all browsers (except IE, of course), also Delicious, Diigo and others. |
45034273 SS |
1666 | foreach(explode('<DT>',$data) as $html) // explode is very fast |
1667 | { | |
1668 | $link = array('linkdate'=>'','title'=>'','url'=>'','description'=>'','tags'=>'','private'=>0); | |
1669 | $d = explode('<DD>',$html); | |
1670 | if (startswith($d[0],'<A ')) | |
1671 | { | |
1672 | $link['description'] = (isset($d[1]) ? html_entity_decode(trim($d[1]),ENT_QUOTES,'UTF-8') : ''); // Get description (optional) | |
1673 | preg_match('!<A .*?>(.*?)</A>!i',$d[0],$matches); $link['title'] = (isset($matches[1]) ? trim($matches[1]) : ''); // Get title | |
1674 | $link['title'] = html_entity_decode($link['title'],ENT_QUOTES,'UTF-8'); | |
1675 | preg_match_all('! ([A-Z_]+)=\"(.*?)"!i',$html,$matches,PREG_SET_ORDER); // Get all other attributes | |
1676 | $raw_add_date=0; | |
1677 | foreach($matches as $m) | |
1678 | { | |
1679 | $attr=$m[1]; $value=$m[2]; | |
1680 | if ($attr=='HREF') $link['url']=html_entity_decode($value,ENT_QUOTES,'UTF-8'); | |
fc93ae1d AA |
1681 | elseif ($attr=='ADD_DATE') |
1682 | { | |
1683 | $raw_add_date=intval($value); | |
1684 | if ($raw_add_date>30000000000) $raw_add_date/=1000; //If larger than year 2920, then was likely stored in milliseconds instead of seconds | |
1685 | } | |
45034273 SS |
1686 | elseif ($attr=='PRIVATE') $link['private']=($value=='0'?0:1); |
1687 | elseif ($attr=='TAGS') $link['tags']=html_entity_decode(str_replace(',',' ',$value),ENT_QUOTES,'UTF-8'); | |
1688 | } | |
1689 | if ($link['url']!='') | |
1690 | { | |
1691 | if ($private==1) $link['private']=1; | |
1692 | $dblink = $LINKSDB->getLinkFromUrl($link['url']); // See if the link is already in database. | |
1693 | if ($dblink==false) | |
1694 | { // Link not in database, let's import it... | |
1695 | if (empty($raw_add_date)) $raw_add_date=time(); // In case of shitty bookmark file with no ADD_DATE | |
1696 | ||
1697 | // Make sure date/time is not already used by another link. | |
1698 | // (Some bookmark files have several different links with the same ADD_DATE) | |
ad6c27b7 | 1699 | // We increment date by 1 second until we find a date which is not used in DB. |
45034273 SS |
1700 | // (so that links that have the same date/time are more or less kept grouped by date, but do not conflict.) |
1701 | while (!empty($LINKSDB[date('Ymd_His',$raw_add_date)])) { $raw_add_date++; }// Yes, I know it's ugly. | |
1702 | $link['linkdate']=date('Ymd_His',$raw_add_date); | |
1703 | $LINKSDB[$link['linkdate']] = $link; | |
1704 | $import_count++; | |
1705 | } | |
ad6c27b7 | 1706 | else // Link already present in database. |
45034273 SS |
1707 | { |
1708 | if ($overwrite) | |
1709 | { // If overwrite is required, we import link data, except date/time. | |
1710 | $link['linkdate']=$dblink['linkdate']; | |
1711 | $LINKSDB[$link['linkdate']] = $link; | |
1712 | $import_count++; | |
1713 | } | |
1714 | } | |
1715 | ||
1716 | } | |
1717 | } | |
1718 | } | |
01e48f26 | 1719 | $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); |
45034273 | 1720 | |
fe16b01e | 1721 | echo '<script>alert("File '.json_encode($filename).' ('.$filesize.' bytes) was successfully processed: '.$import_count.' links imported.");document.location=\'?\';</script>'; |
45034273 SS |
1722 | } |
1723 | else | |
1724 | { | |
fe16b01e | 1725 | echo '<script>alert("File '.json_encode($filename).' ('.$filesize.' bytes) has an unknown file format. Nothing was imported.");document.location=\'?\';</script>'; |
45034273 SS |
1726 | } |
1727 | } | |
1728 | ||
1729 | // ----------------------------------------------------------------------------------------------- | |
1730 | // Template for the list of links (<div id="linklist">) | |
1731 | // This function fills all the necessary fields in the $PAGE for the template 'linklist.html' | |
1732 | function buildLinkList($PAGE,$LINKSDB) | |
1733 | { | |
1734 | // ---- Filter link database according to parameters | |
1735 | $linksToDisplay=array(); | |
1736 | $search_type=''; | |
1737 | $search_crits=''; | |
1738 | if (isset($_GET['searchterm'])) // Fulltext search | |
1739 | { | |
1740 | $linksToDisplay = $LINKSDB->filterFulltext(trim($_GET['searchterm'])); | |
5f85fcd8 | 1741 | $search_crits=escape(trim($_GET['searchterm'])); |
45034273 SS |
1742 | $search_type='fulltext'; |
1743 | } | |
1744 | elseif (isset($_GET['searchtags'])) // Search by tag | |
1745 | { | |
1746 | $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags'])); | |
5f85fcd8 | 1747 | $search_crits=explode(' ',escape(trim($_GET['searchtags']))); |
45034273 SS |
1748 | $search_type='tags'; |
1749 | } | |
1750 | elseif (isset($_SERVER['QUERY_STRING']) && preg_match('/[a-zA-Z0-9-_@]{6}(&.+?)?/',$_SERVER['QUERY_STRING'])) // Detect smallHashes in URL | |
1751 | { | |
1752 | $linksToDisplay = $LINKSDB->filterSmallHash(substr(trim($_SERVER["QUERY_STRING"], '/'),0,6)); | |
1753 | if (count($linksToDisplay)==0) | |
1754 | { | |
1755 | header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found"); | |
1756 | echo '<h1>404 Not found.</h1>Oh crap. The link you are trying to reach does not exist or has been deleted.'; | |
1dcbe296 | 1757 | echo '<br>Would you mind <a href="?">clicking here</a>?'; |
45034273 SS |
1758 | exit; |
1759 | } | |
1760 | $search_type='permalink'; | |
1761 | } | |
1762 | else | |
ad6c27b7 | 1763 | $linksToDisplay = $LINKSDB; // Otherwise, display without filtering. |
bb8f712d | 1764 | |
8fa1ebd6 | 1765 | |
45034273 SS |
1766 | // Option: Show only private links |
1767 | if (!empty($_SESSION['privateonly'])) | |
1768 | { | |
1769 | $tmp = array(); | |
1770 | foreach($linksToDisplay as $linkdate=>$link) | |
1771 | { | |
1772 | if ($link['private']!=0) $tmp[$linkdate]=$link; | |
1773 | } | |
1774 | $linksToDisplay=$tmp; | |
1775 | } | |
1776 | ||
1777 | // ---- Handle paging. | |
ad6c27b7 | 1778 | /* Can someone explain to me why you get the following error when using array_keys() on an object which implements the interface ArrayAccess??? |
45034273 SS |
1779 | "Warning: array_keys() expects parameter 1 to be array, object given in ... " |
1780 | If my class implements ArrayAccess, why won't array_keys() accept it ? ( $keys=array_keys($linksToDisplay); ) | |
1781 | */ | |
ad6c27b7 | 1782 | $keys=array(); foreach($linksToDisplay as $key=>$value) { $keys[]=$key; } // Stupid and ugly. Thanks PHP. |
45034273 SS |
1783 | |
1784 | // If there is only a single link, we change on-the-fly the title of the page. | |
1785 | if (count($linksToDisplay)==1) $GLOBALS['pagetitle'] = $linksToDisplay[$keys[0]]['title'].' - '.$GLOBALS['title']; | |
1786 | ||
1787 | // Select articles according to paging. | |
1788 | $pagecount = ceil(count($keys)/$_SESSION['LINKS_PER_PAGE']); | |
1789 | $pagecount = ($pagecount==0 ? 1 : $pagecount); | |
1790 | $page=( empty($_GET['page']) ? 1 : intval($_GET['page'])); | |
1791 | $page = ( $page<1 ? 1 : $page ); | |
1792 | $page = ( $page>$pagecount ? $pagecount : $page ); | |
1793 | $i = ($page-1)*$_SESSION['LINKS_PER_PAGE']; // Start index. | |
1794 | $end = $i+$_SESSION['LINKS_PER_PAGE']; | |
1795 | $linkDisp=array(); // Links to display | |
1796 | while ($i<$end && $i<count($keys)) | |
1797 | { | |
1798 | $link = $linksToDisplay[$keys[$i]]; | |
5f85fcd8 | 1799 | $link['description']=nl2br(keepMultipleSpaces(text2clickable($link['description']))); |
a5752e77 A |
1800 | $title=$link['title']; |
1801 | $classLi = $i%2!=0 ? '' : 'publicLinkHightLight'; | |
45034273 | 1802 | $link['class'] = ($link['private']==0 ? $classLi : 'private'); |
bec18701 | 1803 | $link['timestamp']=linkdate2timestamp($link['linkdate']); |
a5752e77 A |
1804 | $taglist = explode(' ',$link['tags']); |
1805 | uasort($taglist, 'strcasecmp'); | |
dd62b9ba | 1806 | $link['taglist']=$taglist; |
b47f515a FE |
1807 | |
1808 | if ($link["url"][0] === '?' && // Check for both signs of a note: starting with ? and 7 chars long. I doubt that you'll post any links that look like this. | |
1809 | strlen($link["url"]) === 7) { | |
1810 | $link["url"] = indexUrl() . $link["url"]; | |
1811 | } | |
d33c5d4c | 1812 | |
45034273 SS |
1813 | $linkDisp[$keys[$i]] = $link; |
1814 | $i++; | |
1815 | } | |
bb8f712d | 1816 | |
45034273 SS |
1817 | // Compute paging navigation |
1818 | $searchterm= ( empty($_GET['searchterm']) ? '' : '&searchterm='.$_GET['searchterm'] ); | |
1819 | $searchtags= ( empty($_GET['searchtags']) ? '' : '&searchtags='.$_GET['searchtags'] ); | |
1820 | $paging=''; | |
1821 | $previous_page_url=''; if ($i!=count($keys)) $previous_page_url='?page='.($page+1).$searchterm.$searchtags; | |
1822 | $next_page_url='';if ($page>1) $next_page_url='?page='.($page-1).$searchterm.$searchtags; | |
1823 | ||
bb8f712d KT |
1824 | $token = ''; if (isLoggedIn()) $token=getToken(); |
1825 | ||
45034273 SS |
1826 | // Fill all template fields. |
1827 | $PAGE->assign('linkcount',count($LINKSDB)); | |
1828 | $PAGE->assign('previous_page_url',$previous_page_url); | |
1829 | $PAGE->assign('next_page_url',$next_page_url); | |
1830 | $PAGE->assign('page_current',$page); | |
1831 | $PAGE->assign('page_max',$pagecount); | |
1832 | $PAGE->assign('result_count',count($linksToDisplay)); | |
1833 | $PAGE->assign('search_type',$search_type); | |
bb8f712d | 1834 | $PAGE->assign('search_crits',$search_crits); |
ad6c27b7 | 1835 | $PAGE->assign('redirector',empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector']); // Optional redirector URL. |
45034273 SS |
1836 | $PAGE->assign('token',$token); |
1837 | $PAGE->assign('links',$linkDisp); | |
65d62517 | 1838 | $PAGE->assign('tags', $LINKSDB->allTags()); |
45034273 SS |
1839 | return; |
1840 | } | |
1841 | ||
1842 | // Compute the thumbnail for a link. | |
bb8f712d | 1843 | // |
ad6c27b7 | 1844 | // With a link to the original URL. |
45034273 | 1845 | // Understands various services (youtube.com...) |
ad6c27b7 | 1846 | // Input: $url = URL for which the thumbnail must be found. |
45034273 SS |
1847 | // $href = if provided, this URL will be followed instead of $url |
1848 | // Returns an associative array with thumbnail attributes (src,href,width,height,style,alt) | |
1849 | // Some of them may be missing. | |
1850 | // Return an empty array if no thumbnail available. | |
1851 | function computeThumbnail($url,$href=false) | |
1852 | { | |
1853 | if (!$GLOBALS['config']['ENABLE_THUMBNAILS']) return array(); | |
1854 | if ($href==false) $href=$url; | |
1855 | ||
1856 | // For most hosts, the URL of the thumbnail can be easily deduced from the URL of the link. | |
ad6c27b7 | 1857 | // (e.g. http://www.youtube.com/watch?v=spVypYk4kto ---> http://img.youtube.com/vi/spVypYk4kto/default.jpg ) |
45034273 SS |
1858 | // ^^^^^^^^^^^ ^^^^^^^^^^^ |
1859 | $domain = parse_url($url,PHP_URL_HOST); | |
1860 | if ($domain=='youtube.com' || $domain=='www.youtube.com') | |
1861 | { | |
1862 | parse_str(parse_url($url,PHP_URL_QUERY), $params); // Extract video ID and get thumbnail | |
1a663a0f | 1863 | if (!empty($params['v'])) return array('src'=>'https://img.youtube.com/vi/'.$params['v'].'/default.jpg', |
45034273 SS |
1864 | 'href'=>$href,'width'=>'120','height'=>'90','alt'=>'YouTube thumbnail'); |
1865 | } | |
1866 | if ($domain=='youtu.be') // Youtube short links | |
1867 | { | |
1868 | $path = parse_url($url,PHP_URL_PATH); | |
1a663a0f | 1869 | return array('src'=>'https://img.youtube.com/vi'.$path.'/default.jpg', |
bb8f712d | 1870 | 'href'=>$href,'width'=>'120','height'=>'90','alt'=>'YouTube thumbnail'); |
45034273 SS |
1871 | } |
1872 | if ($domain=='pix.toile-libre.org') // pix.toile-libre.org image hosting | |
1873 | { | |
1874 | parse_str(parse_url($url,PHP_URL_QUERY), $params); // Extract image filename. | |
1875 | if (!empty($params) && !empty($params['img'])) return array('src'=>'http://pix.toile-libre.org/upload/thumb/'.urlencode($params['img']), | |
bb8f712d KT |
1876 | 'href'=>$href,'style'=>'max-width:120px; max-height:150px','alt'=>'pix.toile-libre.org thumbnail'); |
1877 | } | |
1878 | ||
45034273 SS |
1879 | if ($domain=='imgur.com') |
1880 | { | |
1881 | $path = parse_url($url,PHP_URL_PATH); | |
1882 | if (startsWith($path,'/a/')) return array(); // Thumbnails for albums are not available. | |
1a663a0f | 1883 | if (startsWith($path,'/r/')) return array('src'=>'https://i.imgur.com/'.basename($path).'s.jpg', |
45034273 | 1884 | 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail'); |
1a663a0f | 1885 | if (startsWith($path,'/gallery/')) return array('src'=>'https://i.imgur.com'.substr($path,8).'s.jpg', |
45034273 SS |
1886 | 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail'); |
1887 | ||
1a663a0f | 1888 | if (substr_count($path,'/')==1) return array('src'=>'https://i.imgur.com/'.substr($path,1).'s.jpg', |
45034273 SS |
1889 | 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail'); |
1890 | } | |
1891 | if ($domain=='i.imgur.com') | |
1892 | { | |
1893 | $pi = pathinfo(parse_url($url,PHP_URL_PATH)); | |
1a663a0f | 1894 | if (!empty($pi['filename'])) return array('src'=>'https://i.imgur.com/'.$pi['filename'].'s.jpg', |
45034273 SS |
1895 | 'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail'); |
1896 | } | |
1897 | if ($domain=='dailymotion.com' || $domain=='www.dailymotion.com') | |
1898 | { | |
1899 | if (strpos($url,'dailymotion.com/video/')!==false) | |
1900 | { | |
1901 | $thumburl=str_replace('dailymotion.com/video/','dailymotion.com/thumbnail/video/',$url); | |
1902 | return array('src'=>$thumburl, | |
1903 | 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'DailyMotion thumbnail'); | |
1904 | } | |
1905 | } | |
1906 | if (endsWith($domain,'.imageshack.us')) | |
1907 | { | |
1908 | $ext=strtolower(pathinfo($url,PATHINFO_EXTENSION)); | |
1909 | if ($ext=='jpg' || $ext=='jpeg' || $ext=='png' || $ext=='gif') | |
1910 | { | |
1911 | $thumburl = substr($url,0,strlen($url)-strlen($ext)).'th.'.$ext; | |
1912 | return array('src'=>$thumburl, | |
1913 | 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'imageshack.us thumbnail'); | |
1914 | } | |
1915 | } | |
1916 | ||
1917 | // Some other hosts are SLOW AS HELL and usually require an extra HTTP request to get the thumbnail URL. | |
1918 | // So we deport the thumbnail generation in order not to slow down page generation | |
1919 | // (and we also cache the thumbnail) | |
1920 | ||
1921 | if (!$GLOBALS['config']['ENABLE_LOCALCACHE']) return array(); // If local cache is disabled, no thumbnails for services which require the use a local cache. | |
1922 | ||
1923 | if ($domain=='flickr.com' || endsWith($domain,'.flickr.com') | |
1924 | || $domain=='vimeo.com' | |
1925 | || $domain=='ted.com' || endsWith($domain,'.ted.com') | |
1926 | || $domain=='xkcd.com' || endsWith($domain,'.xkcd.com') | |
1927 | ) | |
1928 | { | |
1929 | if ($domain=='vimeo.com') | |
ad6c27b7 | 1930 | { // Make sure this vimeo URL points to a video (/xxx... where xxx is numeric) |
45034273 SS |
1931 | $path = parse_url($url,PHP_URL_PATH); |
1932 | if (!preg_match('!/\d+.+?!',$path)) return array(); // This is not a single video URL. | |
1933 | } | |
1934 | if ($domain=='xkcd.com' || endsWith($domain,'.xkcd.com')) | |
ad6c27b7 | 1935 | { // Make sure this URL points to a single comic (/xxx... where xxx is numeric) |
45034273 SS |
1936 | $path = parse_url($url,PHP_URL_PATH); |
1937 | if (!preg_match('!/\d+.+?!',$path)) return array(); | |
1938 | } | |
1939 | if ($domain=='ted.com' || endsWith($domain,'.ted.com')) | |
ad6c27b7 | 1940 | { // Make sure this TED URL points to a video (/talks/...) |
45034273 SS |
1941 | $path = parse_url($url,PHP_URL_PATH); |
1942 | if ("/talks/" !== substr($path,0,7)) return array(); // This is not a single video URL. | |
1943 | } | |
1944 | $sign = hash_hmac('sha256', $url, $GLOBALS['salt']); // We use the salt to sign data (it's random, secret, and specific to each installation) | |
5f85fcd8 | 1945 | return array('src'=>indexUrl().'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url), |
45034273 SS |
1946 | 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'thumbnail'); |
1947 | } | |
1948 | ||
1949 | // For all other, we try to make a thumbnail of links ending with .jpg/jpeg/png/gif | |
1950 | // Technically speaking, we should download ALL links and check their Content-Type to see if they are images. | |
1951 | // But using the extension will do. | |
1952 | $ext=strtolower(pathinfo($url,PATHINFO_EXTENSION)); | |
1953 | if ($ext=='jpg' || $ext=='jpeg' || $ext=='png' || $ext=='gif') | |
1954 | { | |
1955 | $sign = hash_hmac('sha256', $url, $GLOBALS['salt']); // We use the salt to sign data (it's random, secret, and specific to each installation) | |
5f85fcd8 | 1956 | return array('src'=>indexUrl().'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url), |
bb8f712d | 1957 | 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'thumbnail'); |
45034273 SS |
1958 | } |
1959 | return array(); // No thumbnail. | |
1960 | ||
1961 | } | |
1962 | ||
1963 | ||
1964 | // Returns the HTML code to display a thumbnail for a link | |
1965 | // with a link to the original URL. | |
1966 | // Understands various services (youtube.com...) | |
ad6c27b7 | 1967 | // Input: $url = URL for which the thumbnail must be found. |
45034273 SS |
1968 | // $href = if provided, this URL will be followed instead of $url |
1969 | // Returns '' if no thumbnail available. | |
1970 | function thumbnail($url,$href=false) | |
1971 | { | |
1972 | $t = computeThumbnail($url,$href); | |
1973 | if (count($t)==0) return ''; // Empty array = no thumbnail for this URL. | |
bb8f712d | 1974 | |
5f85fcd8 A |
1975 | $html='<a href="'.escape($t['href']).'"><img src="'.escape($t['src']).'"'; |
1976 | if (!empty($t['width'])) $html.=' width="'.escape($t['width']).'"'; | |
1977 | if (!empty($t['height'])) $html.=' height="'.escape($t['height']).'"'; | |
1978 | if (!empty($t['style'])) $html.=' style="'.escape($t['style']).'"'; | |
1979 | if (!empty($t['alt'])) $html.=' alt="'.escape($t['alt']).'"'; | |
45034273 SS |
1980 | $html.='></a>'; |
1981 | return $html; | |
1982 | } | |
1983 | ||
45034273 SS |
1984 | // Returns the HTML code to display a thumbnail for a link |
1985 | // for the picture wall (using lazy image loading) | |
1986 | // Understands various services (youtube.com...) | |
ad6c27b7 | 1987 | // Input: $url = URL for which the thumbnail must be found. |
45034273 SS |
1988 | // $href = if provided, this URL will be followed instead of $url |
1989 | // Returns '' if no thumbnail available. | |
1990 | function lazyThumbnail($url,$href=false) | |
1991 | { | |
bb8f712d | 1992 | $t = computeThumbnail($url,$href); |
45034273 SS |
1993 | if (count($t)==0) return ''; // Empty array = no thumbnail for this URL. |
1994 | ||
5f85fcd8 | 1995 | $html='<a href="'.escape($t['href']).'">'; |
bb8f712d | 1996 | |
34047d23 | 1997 | // Lazy image |
5f85fcd8 | 1998 | $html.='<img class="b-lazy" src="#" data-src="'.escape($t['src']).'"'; |
858c5c2b | 1999 | |
5f85fcd8 A |
2000 | if (!empty($t['width'])) $html.=' width="'.escape($t['width']).'"'; |
2001 | if (!empty($t['height'])) $html.=' height="'.escape($t['height']).'"'; | |
2002 | if (!empty($t['style'])) $html.=' style="'.escape($t['style']).'"'; | |
2003 | if (!empty($t['alt'])) $html.=' alt="'.escape($t['alt']).'"'; | |
45034273 | 2004 | $html.='>'; |
bb8f712d | 2005 | |
ad6c27b7 | 2006 | // No-JavaScript fallback. |
5f85fcd8 A |
2007 | $html.='<noscript><img src="'.escape($t['src']).'"'; |
2008 | if (!empty($t['width'])) $html.=' width="'.escape($t['width']).'"'; | |
2009 | if (!empty($t['height'])) $html.=' height="'.escape($t['height']).'"'; | |
2010 | if (!empty($t['style'])) $html.=' style="'.escape($t['style']).'"'; | |
2011 | if (!empty($t['alt'])) $html.=' alt="'.escape($t['alt']).'"'; | |
45034273 | 2012 | $html.='></noscript></a>'; |
bb8f712d | 2013 | |
45034273 SS |
2014 | return $html; |
2015 | } | |
2016 | ||
2017 | ||
2018 | // ----------------------------------------------------------------------------------------------- | |
2019 | // Installation | |
2020 | // This function should NEVER be called if the file data/config.php exists. | |
2021 | function install() | |
2022 | { | |
2023 | // On free.fr host, make sure the /sessions directory exists, otherwise login will not work. | |
f6a6ca0a | 2024 | if (endsWith($_SERVER['HTTP_HOST'],'.free.fr') && !is_dir($_SERVER['DOCUMENT_ROOT'].'/sessions')) mkdir($_SERVER['DOCUMENT_ROOT'].'/sessions',0705); |
45034273 | 2025 | |
f37664a2 SS |
2026 | |
2027 | // This part makes sure sessions works correctly. | |
2028 | // (Because on some hosts, session.save_path may not be set correctly, | |
2029 | // or we may not have write access to it.) | |
2030 | if (isset($_GET['test_session']) && ( !isset($_SESSION) || !isset($_SESSION['session_tested']) || $_SESSION['session_tested']!='Working')) | |
2031 | { // Step 2: Check if data in session is correct. | |
2032 | echo '<pre>Sessions do not seem to work correctly on your server.<br>'; | |
2033 | echo 'Make sure the variable session.save_path is set correctly in your php config, and that you have write access to it.<br>'; | |
01ec1791 | 2034 | echo 'It currently points to '.session_save_path().'<br>'; |
2035 | echo 'Check that the hostname used to access Shaarli contains a dot. On some browsers, accessing your server via a hostname like \'localhost\' or any custom hostname without a dot causes cookie storage to fail. We recommend accessing your server via it\'s IP address or Fully Qualified Domain Name.<br>'; | |
2036 | echo '<br><a href="?">Click to try again.</a></pre>'; | |
f37664a2 SS |
2037 | die; |
2038 | } | |
2039 | if (!isset($_SESSION['session_tested'])) | |
2040 | { // Step 1 : Try to store data in session and reload page. | |
2041 | $_SESSION['session_tested'] = 'Working'; // Try to set a variable in session. | |
2042 | header('Location: '.indexUrl().'?test_session'); // Redirect to check stored data. | |
2043 | } | |
2044 | if (isset($_GET['test_session'])) | |
ad6c27b7 | 2045 | { // Step 3: Sessions are OK. Remove test parameter from URL. |
f37664a2 SS |
2046 | header('Location: '.indexUrl()); |
2047 | } | |
2048 | ||
2049 | ||
45034273 SS |
2050 | if (!empty($_POST['setlogin']) && !empty($_POST['setpassword'])) |
2051 | { | |
2052 | $tz = 'UTC'; | |
d1e2f8e5 V |
2053 | if (!empty($_POST['continent']) && !empty($_POST['city'])) { |
2054 | if (isTimeZoneValid($_POST['continent'], $_POST['city'])) { | |
45034273 | 2055 | $tz = $_POST['continent'].'/'.$_POST['city']; |
d1e2f8e5 V |
2056 | } |
2057 | } | |
45034273 SS |
2058 | $GLOBALS['timezone'] = $tz; |
2059 | // Everything is ok, let's create config file. | |
2060 | $GLOBALS['login'] = $_POST['setlogin']; | |
2061 | $GLOBALS['salt'] = sha1(uniqid('',true).'_'.mt_rand()); // Salt renders rainbow-tables attacks useless. | |
2062 | $GLOBALS['hash'] = sha1($_POST['setpassword'].$GLOBALS['login'].$GLOBALS['salt']); | |
5f85fcd8 | 2063 | $GLOBALS['title'] = (empty($_POST['title']) ? 'Shared links on '.escape(indexUrl()) : $_POST['title'] ); |
329e0768 | 2064 | $GLOBALS['config']['ENABLE_UPDATECHECK'] = !empty($_POST['updateCheck']); |
dd484b90 A |
2065 | try { |
2066 | writeConfig($GLOBALS, isLoggedIn()); | |
2067 | } | |
2068 | catch(Exception $e) { | |
2069 | error_log( | |
2070 | 'ERROR while writing config file after installation.' . PHP_EOL . | |
2071 | $e->getMessage() | |
2072 | ); | |
2073 | ||
2074 | // TODO: do not handle exceptions/errors in JS. | |
2075 | echo '<script>alert("'. $e->getMessage() .'");document.location=\'?\';</script>'; | |
2076 | exit; | |
2077 | } | |
fe16b01e | 2078 | echo '<script>alert("Shaarli is now configured. Please enter your login/password and start shaaring your links!");document.location=\'?do=login\';</script>'; |
45034273 SS |
2079 | exit; |
2080 | } | |
2081 | ||
2082 | // Display config form: | |
d1e2f8e5 V |
2083 | list($timezone_form, $timezone_js) = generateTimeZoneForm(); |
2084 | $timezone_html = ''; | |
2085 | if ($timezone_form != '') { | |
2086 | $timezone_html = '<tr><td><b>Timezone:</b></td><td>'.$timezone_form.'</td></tr>'; | |
2087 | } | |
bb8f712d | 2088 | |
45034273 SS |
2089 | $PAGE = new pageBuilder; |
2090 | $PAGE->assign('timezone_html',$timezone_html); | |
2091 | $PAGE->assign('timezone_js',$timezone_js); | |
2092 | $PAGE->renderPage('install'); | |
2093 | exit; | |
2094 | } | |
2095 | ||
3385af12 LM |
2096 | if (!function_exists('json_encode')) { |
2097 | function json_encode($data) { | |
2098 | switch ($type = gettype($data)) { | |
2099 | case 'NULL': | |
2100 | return 'null'; | |
2101 | case 'boolean': | |
2102 | return ($data ? 'true' : 'false'); | |
2103 | case 'integer': | |
2104 | case 'double': | |
2105 | case 'float': | |
2106 | return $data; | |
2107 | case 'string': | |
2108 | return '"' . addslashes($data) . '"'; | |
2109 | case 'object': | |
2110 | $data = get_object_vars($data); | |
2111 | case 'array': | |
2112 | $output_index_count = 0; | |
2113 | $output_indexed = array(); | |
2114 | $output_associative = array(); | |
2115 | foreach ($data as $key => $value) { | |
2116 | $output_indexed[] = json_encode($value); | |
2117 | $output_associative[] = json_encode($key) . ':' . json_encode($value); | |
2118 | if ($output_index_count !== NULL && $output_index_count++ !== $key) { | |
2119 | $output_index_count = NULL; | |
2120 | } | |
2121 | } | |
2122 | if ($output_index_count !== NULL) { | |
2123 | return '[' . implode(',', $output_indexed) . ']'; | |
2124 | } else { | |
2125 | return '{' . implode(',', $output_associative) . '}'; | |
2126 | } | |
2127 | default: | |
2128 | return ''; // Not supported | |
2129 | } | |
2130 | } | |
2131 | } | |
45034273 | 2132 | |
dd484b90 | 2133 | |
45034273 | 2134 | |
ad6c27b7 | 2135 | /* Because some f*cking services like flickr require an extra HTTP request to get the thumbnail URL, |
45034273 | 2136 | I have deported the thumbnail URL code generation here, otherwise this would slow down page generation. |
ad6c27b7 | 2137 | The following function takes the URL a link (e.g. a flickr page) and return the proper thumbnail. |
2138 | This function is called by passing the URL: | |
45034273 | 2139 | http://mywebsite.com/shaarli/?do=genthumbnail&hmac=[HMAC]&url=[URL] |
ad6c27b7 | 2140 | [URL] is the URL of the link (e.g. a flickr page) |
45034273 SS |
2141 | [HMAC] is the signature for the [URL] (so that these URL cannot be forged). |
2142 | The function below will fetch the image from the webservice and store it in the cache. | |
2143 | */ | |
2144 | function genThumbnail() | |
2145 | { | |
2146 | // Make sure the parameters in the URL were generated by us. | |
2147 | $sign = hash_hmac('sha256', $_GET['url'], $GLOBALS['salt']); | |
ad6c27b7 | 2148 | if ($sign!=$_GET['hmac']) die('Naughty boy!'); |
45034273 SS |
2149 | |
2150 | // Let's see if we don't already have the image for this URL in the cache. | |
2151 | $thumbname=hash('sha1',$_GET['url']).'.jpg'; | |
2152 | if (is_file($GLOBALS['config']['CACHEDIR'].'/'.$thumbname)) | |
2153 | { // We have the thumbnail, just serve it: | |
2154 | header('Content-Type: image/jpeg'); | |
2155 | echo file_get_contents($GLOBALS['config']['CACHEDIR'].'/'.$thumbname); | |
2156 | return; | |
2157 | } | |
2158 | // We may also serve a blank image (if service did not respond) | |
2159 | $blankname=hash('sha1',$_GET['url']).'.gif'; | |
2160 | if (is_file($GLOBALS['config']['CACHEDIR'].'/'.$blankname)) | |
2161 | { | |
2162 | header('Content-Type: image/gif'); | |
2163 | echo file_get_contents($GLOBALS['config']['CACHEDIR'].'/'.$blankname); | |
2164 | return; | |
2165 | } | |
2166 | ||
2167 | // Otherwise, generate the thumbnail. | |
2168 | $url = $_GET['url']; | |
2169 | $domain = parse_url($url,PHP_URL_HOST); | |
2170 | ||
2171 | if ($domain=='flickr.com' || endsWith($domain,'.flickr.com')) | |
2172 | { | |
ad6c27b7 | 2173 | // Crude replacement to handle new flickr domain policy (They prefer www. now) |
45034273 SS |
2174 | $url = str_replace('http://flickr.com/','http://www.flickr.com/',$url); |
2175 | ||
2176 | // Is this a link to an image, or to a flickr page ? | |
2177 | $imageurl=''; | |
2178 | if (endswith(parse_url($url,PHP_URL_PATH),'.jpg')) | |
ad6c27b7 | 2179 | { // This is a direct link to an image. e.g. http://farm1.staticflickr.com/5/5921913_ac83ed27bd_o.jpg |
45034273 SS |
2180 | preg_match('!(http://farm\d+\.staticflickr\.com/\d+/\d+_\w+_)\w.jpg!',$url,$matches); |
2181 | if (!empty($matches[1])) $imageurl=$matches[1].'m.jpg'; | |
2182 | } | |
ad6c27b7 | 2183 | else // This is a flickr page (html) |
45034273 SS |
2184 | { |
2185 | list($httpstatus,$headers,$data) = getHTTP($url,20); // Get the flickr html page. | |
2186 | if (strpos($httpstatus,'200 OK')!==false) | |
2187 | { | |
ad6c27b7 | 2188 | // flickr now nicely provides the URL of the thumbnail in each flickr page. |
45034273 SS |
2189 | preg_match('!<link rel=\"image_src\" href=\"(.+?)\"!',$data,$matches); |
2190 | if (!empty($matches[1])) $imageurl=$matches[1]; | |
2191 | ||
2192 | // In albums (and some other pages), the link rel="image_src" is not provided, | |
2193 | // but flickr provides: | |
2194 | // <meta property="og:image" content="http://farm4.staticflickr.com/3398/3239339068_25d13535ff_z.jpg" /> | |
2195 | if ($imageurl=='') | |
2196 | { | |
2197 | preg_match('!<meta property=\"og:image\" content=\"(.+?)\"!',$data,$matches); | |
2198 | if (!empty($matches[1])) $imageurl=$matches[1]; | |
2199 | } | |
2200 | } | |
2201 | } | |
2202 | ||
2203 | if ($imageurl!='') | |
2204 | { // Let's download the image. | |
2205 | list($httpstatus,$headers,$data) = getHTTP($imageurl,10); // Image is 240x120, so 10 seconds to download should be enough. | |
2206 | if (strpos($httpstatus,'200 OK')!==false) | |
2207 | { | |
2208 | file_put_contents($GLOBALS['config']['CACHEDIR'].'/'.$thumbname,$data); // Save image to cache. | |
2209 | header('Content-Type: image/jpeg'); | |
2210 | echo $data; | |
2211 | return; | |
2212 | } | |
2213 | } | |
2214 | } | |
2215 | ||
2216 | elseif ($domain=='vimeo.com' ) | |
2217 | { | |
2218 | // This is more complex: we have to perform a HTTP request, then parse the result. | |
ad6c27b7 | 2219 | // Maybe we should deport this to JavaScript ? Example: http://stackoverflow.com/questions/1361149/get-img-thumbnails-from-vimeo/4285098#4285098 |
45034273 | 2220 | $vid = substr(parse_url($url,PHP_URL_PATH),1); |
5f85fcd8 | 2221 | list($httpstatus,$headers,$data) = getHTTP('https://vimeo.com/api/v2/video/'.escape($vid).'.php',5); |
45034273 SS |
2222 | if (strpos($httpstatus,'200 OK')!==false) |
2223 | { | |
2224 | $t = unserialize($data); | |
2225 | $imageurl = $t[0]['thumbnail_medium']; | |
2226 | // Then we download the image and serve it to our client. | |
2227 | list($httpstatus,$headers,$data) = getHTTP($imageurl,10); | |
2228 | if (strpos($httpstatus,'200 OK')!==false) | |
2229 | { | |
2230 | file_put_contents($GLOBALS['config']['CACHEDIR'].'/'.$thumbname,$data); // Save image to cache. | |
2231 | header('Content-Type: image/jpeg'); | |
2232 | echo $data; | |
2233 | return; | |
2234 | } | |
2235 | } | |
2236 | } | |
2237 | ||
2238 | elseif ($domain=='ted.com' || endsWith($domain,'.ted.com')) | |
2239 | { | |
2240 | // The thumbnail for TED talks is located in the <link rel="image_src" [...]> tag on that page | |
2241 | // http://www.ted.com/talks/mikko_hypponen_fighting_viruses_defending_the_net.html | |
2242 | // <link rel="image_src" href="http://images.ted.com/images/ted/28bced335898ba54d4441809c5b1112ffaf36781_389x292.jpg" /> | |
bb8f712d | 2243 | list($httpstatus,$headers,$data) = getHTTP($url,5); |
45034273 SS |
2244 | if (strpos($httpstatus,'200 OK')!==false) |
2245 | { | |
2246 | // Extract the link to the thumbnail | |
2247 | preg_match('!link rel="image_src" href="(http://images.ted.com/images/ted/.+_\d+x\d+\.jpg)"!',$data,$matches); | |
2248 | if (!empty($matches[1])) | |
2249 | { // Let's download the image. | |
2250 | $imageurl=$matches[1]; | |
2251 | list($httpstatus,$headers,$data) = getHTTP($imageurl,20); // No control on image size, so wait long enough. | |
2252 | if (strpos($httpstatus,'200 OK')!==false) | |
2253 | { | |
2254 | $filepath=$GLOBALS['config']['CACHEDIR'].'/'.$thumbname; | |
2255 | file_put_contents($filepath,$data); // Save image to cache. | |
2256 | if (resizeImage($filepath)) | |
2257 | { | |
2258 | header('Content-Type: image/jpeg'); | |
2259 | echo file_get_contents($filepath); | |
2260 | return; | |
2261 | } | |
2262 | } | |
2263 | } | |
2264 | } | |
2265 | } | |
bb8f712d | 2266 | |
45034273 SS |
2267 | elseif ($domain=='xkcd.com' || endsWith($domain,'.xkcd.com')) |
2268 | { | |
2269 | // There is no thumbnail available for xkcd comics, so download the whole image and resize it. | |
2270 | // http://xkcd.com/327/ | |
2271 | // <img src="http://imgs.xkcd.com/comics/exploits_of_a_mom.png" title="<BLABLA>" alt="<BLABLA>" /> | |
2272 | list($httpstatus,$headers,$data) = getHTTP($url,5); | |
2273 | if (strpos($httpstatus,'200 OK')!==false) | |
2274 | { | |
2275 | // Extract the link to the thumbnail | |
2276 | preg_match('!<img src="(http://imgs.xkcd.com/comics/.*)" title="[^s]!',$data,$matches); | |
2277 | if (!empty($matches[1])) | |
2278 | { // Let's download the image. | |
2279 | $imageurl=$matches[1]; | |
2280 | list($httpstatus,$headers,$data) = getHTTP($imageurl,20); // No control on image size, so wait long enough. | |
2281 | if (strpos($httpstatus,'200 OK')!==false) | |
2282 | { | |
2283 | $filepath=$GLOBALS['config']['CACHEDIR'].'/'.$thumbname; | |
2284 | file_put_contents($filepath,$data); // Save image to cache. | |
2285 | if (resizeImage($filepath)) | |
2286 | { | |
2287 | header('Content-Type: image/jpeg'); | |
2288 | echo file_get_contents($filepath); | |
2289 | return; | |
2290 | } | |
2291 | } | |
2292 | } | |
2293 | } | |
bb8f712d | 2294 | } |
45034273 SS |
2295 | |
2296 | else | |
2297 | { | |
2298 | // For all other domains, we try to download the image and make a thumbnail. | |
2299 | list($httpstatus,$headers,$data) = getHTTP($url,30); // We allow 30 seconds max to download (and downloads are limited to 4 Mb) | |
2300 | if (strpos($httpstatus,'200 OK')!==false) | |
2301 | { | |
2302 | $filepath=$GLOBALS['config']['CACHEDIR'].'/'.$thumbname; | |
2303 | file_put_contents($filepath,$data); // Save image to cache. | |
2304 | if (resizeImage($filepath)) | |
2305 | { | |
2306 | header('Content-Type: image/jpeg'); | |
2307 | echo file_get_contents($filepath); | |
2308 | return; | |
2309 | } | |
2310 | } | |
2311 | } | |
2312 | ||
2313 | ||
2314 | // Otherwise, return an empty image (8x8 transparent gif) | |
2315 | $blankgif = base64_decode('R0lGODlhCAAIAIAAAP///////yH5BAEKAAEALAAAAAAIAAgAAAIHjI+py+1dAAA7'); | |
2316 | file_put_contents($GLOBALS['config']['CACHEDIR'].'/'.$blankname,$blankgif); // Also put something in cache so that this URL is not requested twice. | |
2317 | header('Content-Type: image/gif'); | |
2318 | echo $blankgif; | |
2319 | } | |
2320 | ||
2321 | // Make a thumbnail of the image (to width: 120 pixels) | |
2322 | // Returns true if success, false otherwise. | |
2323 | function resizeImage($filepath) | |
2324 | { | |
2325 | if (!function_exists('imagecreatefromjpeg')) return false; // GD not present: no thumbnail possible. | |
2326 | ||
2327 | // Trick: some stupid people rename GIF as JPEG... or else. | |
2328 | // So we really try to open each image type whatever the extension is. | |
2329 | $header=file_get_contents($filepath,false,NULL,0,256); // Read first 256 bytes and try to sniff file type. | |
2330 | $im=false; | |
2331 | $i=strpos($header,'GIF8'); if (($i!==false) && ($i==0)) $im = imagecreatefromgif($filepath); // Well this is crude, but it should be enough. | |
2332 | $i=strpos($header,'PNG'); if (($i!==false) && ($i==1)) $im = imagecreatefrompng($filepath); | |
2333 | $i=strpos($header,'JFIF'); if ($i!==false) $im = imagecreatefromjpeg($filepath); | |
2334 | if (!$im) return false; // Unable to open image (corrupted or not an image) | |
2335 | $w = imagesx($im); | |
2336 | $h = imagesy($im); | |
2337 | $ystart = 0; $yheight=$h; | |
2338 | if ($h>$w) { $ystart= ($h/2)-($w/2); $yheight=$w/2; } | |
2339 | $nw = 120; // Desired width | |
2340 | $nh = min(floor(($h*$nw)/$w),120); // Compute new width/height, but maximum 120 pixels height. | |
2341 | // Resize image: | |
2342 | $im2 = imagecreatetruecolor($nw,$nh); | |
2343 | imagecopyresampled($im2, $im, 0, 0, 0, $ystart, $nw, $nh, $w, $yheight); | |
2344 | imageinterlace($im2,true); // For progressive JPEG. | |
2345 | $tempname=$filepath.'_TEMP.jpg'; | |
2346 | imagejpeg($im2, $tempname, 90); | |
2347 | imagedestroy($im); | |
2348 | imagedestroy($im2); | |
9e820906 | 2349 | unlink($filepath); |
45034273 SS |
2350 | rename($tempname,$filepath); // Overwrite original picture with thumbnail. |
2351 | return true; | |
2352 | } | |
2353 | ||
dd484b90 A |
2354 | try { |
2355 | mergeDeprecatedConfig($GLOBALS, isLoggedIn()); | |
2356 | } catch(Exception $e) { | |
2357 | error_log( | |
2358 | 'ERROR while merging deprecated options.php file.' . PHP_EOL . | |
2359 | $e->getMessage() | |
2360 | ); | |
2361 | } | |
2362 | ||
45034273 SS |
2363 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=genthumbnail')) { genThumbnail(); exit; } // Thumbnail generation/cache does not need the link database. |
2364 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=rss')) { showRSS(); exit; } | |
2365 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=atom')) { showATOM(); exit; } | |
2366 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=dailyrss')) { showDailyRSS(); exit; } | |
bb8f712d | 2367 | if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=daily')) { showDaily(); exit; } |
45034273 SS |
2368 | if (!isset($_SESSION['LINKS_PER_PAGE'])) $_SESSION['LINKS_PER_PAGE']=$GLOBALS['config']['LINKS_PER_PAGE']; |
2369 | renderPage(); | |
03545ef6 | 2370 | ?> |