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-rw-r--r--index.php272
1 files changed, 131 insertions, 141 deletions
diff --git a/index.php b/index.php
index 24b93fa6..b594287c 100644
--- a/index.php
+++ b/index.php
@@ -1,9 +1,9 @@
1<?php 1<?php
2// Shaarli 0.0.42 beta - Shaare your links... 2// Shaarli 0.0.42 beta - Shaare your links...
3// The personal, minimalist, super-fast, no-database delicious clone. By sebsauvage.net 3// The personal, minimalist, super-fast, no-database Delicious clone. By sebsauvage.net
4// http://sebsauvage.net/wiki/doku.php?id=php:shaarli 4// http://sebsauvage.net/wiki/doku.php?id=php:shaarli
5// Licence: http://www.opensource.org/licenses/zlib-license.php 5// Licence: http://www.opensource.org/licenses/zlib-license.php
6// Requires: php 5.1.x (but autocomplete fields will only work if you have php 5.2.x) 6// Requires: PHP 5.1.x (but autocomplete fields will only work if you have PHP 5.2.x)
7// ----------------------------------------------------------------------------------------------- 7// -----------------------------------------------------------------------------------------------
8// NEVER TRUST IN PHP.INI 8// NEVER TRUST IN PHP.INI
9// Some hosts do not define a default timezone in php.ini, 9// Some hosts do not define a default timezone in php.ini,
@@ -24,19 +24,21 @@ $GLOBALS['config']['HIDE_TIMESTAMPS'] = false; // If true, the moment when links
24$GLOBALS['config']['ENABLE_THUMBNAILS'] = true; // Enable thumbnails in links. 24$GLOBALS['config']['ENABLE_THUMBNAILS'] = true; // Enable thumbnails in links.
25$GLOBALS['config']['CACHEDIR'] = 'cache'; // Cache directory for thumbnails for SLOW services (like flickr) 25$GLOBALS['config']['CACHEDIR'] = 'cache'; // Cache directory for thumbnails for SLOW services (like flickr)
26$GLOBALS['config']['PAGECACHE'] = 'pagecache'; // Page cache directory. 26$GLOBALS['config']['PAGECACHE'] = 'pagecache'; // Page cache directory.
27$GLOBALS['config']['ENABLE_LOCALCACHE'] = true; // Enable Shaarli to store thumbnail in a local cache. Disable to reduce webspace usage. 27$GLOBALS['config']['ENABLE_LOCALCACHE'] = true; // Enable Shaarli to store thumbnail in a local cache. Disable to reduce web space usage.
28$GLOBALS['config']['PUBSUBHUB_URL'] = ''; // PubSubHubbub support. Put an empty string to disable, or put your hub url here to enable. 28$GLOBALS['config']['PUBSUBHUB_URL'] = ''; // PubSubHubbub support. Put an empty string to disable, or put your hub url here to enable.
29$GLOBALS['config']['RAINTPL_TMP'] = 'tmp' ; // Raintpl cache directory
30$GLOBALS['config']['RAINTPL_TPL'] = 'tpl/' ; // Raintpl template directory (keep the trailling slash!)
29$GLOBALS['config']['UPDATECHECK_FILENAME'] = $GLOBALS['config']['DATADIR'].'/lastupdatecheck.txt'; // For updates check of Shaarli. 31$GLOBALS['config']['UPDATECHECK_FILENAME'] = $GLOBALS['config']['DATADIR'].'/lastupdatecheck.txt'; // For updates check of Shaarli.
30$GLOBALS['config']['UPDATECHECK_INTERVAL'] = 86400 ; // Updates check frequency for Shaarli. 86400 seconds=24 hours 32$GLOBALS['config']['UPDATECHECK_INTERVAL'] = 86400 ; // Updates check frequency for Shaarli. 86400 seconds=24 hours
31 // Note: You must have publisher.php in the same directory as Shaarli index.php 33 // Note: You must have publisher.php in the same directory as Shaarli index.php
32// ----------------------------------------------------------------------------------------------- 34// -----------------------------------------------------------------------------------------------
33// You should not touch below (or at your own risks !) 35// You should not touch below (or at your own risks!)
34// Optionnal config file. 36// Optional config file.
35if (is_file($GLOBALS['config']['DATADIR'].'/options.php')) require($GLOBALS['config']['DATADIR'].'/options.php'); 37if (is_file($GLOBALS['config']['DATADIR'].'/options.php')) require($GLOBALS['config']['DATADIR'].'/options.php');
36 38
37define('shaarli_version','0.0.42 beta'); 39define('shaarli_version','0.0.42 beta');
38define('PHPPREFIX','<?php /* '); // Prefix to encapsulate data in php code. 40define('PHPPREFIX','<?php /* '); // Prefix to encapsulate data in PHP code.
39define('PHPSUFFIX',' */ ?>'); // Suffix to encapsulate data in php code. 41define('PHPSUFFIX',' */ ?>'); // Suffix to encapsulate data in PHP code.
40// http://server.com/x/shaarli --> /shaarli/ 42// http://server.com/x/shaarli --> /shaarli/
41define('WEB_PATH', substr($_SERVER["REQUEST_URI"], 0, 1+strrpos($_SERVER["REQUEST_URI"], '/', 0))); 43define('WEB_PATH', substr($_SERVER["REQUEST_URI"], 0, 1+strrpos($_SERVER["REQUEST_URI"], '/', 0)));
42 44
@@ -48,8 +50,8 @@ session_set_cookie_params($cookie['lifetime'],$cookiedir,$_SERVER['HTTP_HOST']);
48// Set session parameters on server side. 50// Set session parameters on server side.
49define('INACTIVITY_TIMEOUT',3600); // (in seconds). If the user does not access any page within this time, his/her session is considered expired. 51define('INACTIVITY_TIMEOUT',3600); // (in seconds). If the user does not access any page within this time, his/her session is considered expired.
50ini_set('session.use_cookies', 1); // Use cookies to store session. 52ini_set('session.use_cookies', 1); // Use cookies to store session.
51ini_set('session.use_only_cookies', 1); // Force cookies for session (phpsessionID forbidden in URL) 53ini_set('session.use_only_cookies', 1); // Force cookies for session (phpsessionID forbidden in URL).
52ini_set('session.use_trans_sid', false); // Prevent php to use sessionID in URL if cookies are disabled. 54ini_set('session.use_trans_sid', false); // Prevent PHP form using sessionID in URL if cookies are disabled.
53session_name('shaarli'); 55session_name('shaarli');
54if (session_id() == '') session_start(); // Start session if needed (Some server auto-start sessions). 56if (session_id() == '') session_start(); // Start session if needed (Some server auto-start sessions).
55 57
@@ -63,9 +65,8 @@ error_reporting(E_ALL^E_WARNING); // See all error except warnings.
63//error_reporting(-1); // See all errors (for debugging only) 65//error_reporting(-1); // See all errors (for debugging only)
64 66
65include "inc/rain.tpl.class.php"; //include Rain TPL 67include "inc/rain.tpl.class.php"; //include Rain TPL
66raintpl::$tpl_dir = "tpl/"; // template directory 68raintpl::$tpl_dir = $GLOBALS['config']['RAINTPL_TPL']; // template directory
67if (!is_dir('tmp')) { mkdir('tmp',0705); chmod('tmp',0705); } 69raintpl::$cache_dir = $GLOBALS['config']['RAINTPL_TMP']; // cache directory
68raintpl::$cache_dir = "tmp/"; // cache directory
69 70
70ob_start(); // Output buffering for the page cache. 71ob_start(); // Output buffering for the page cache.
71 72
@@ -85,18 +86,8 @@ header("Cache-Control: no-store, no-cache, must-revalidate");
85header("Cache-Control: post-check=0, pre-check=0", false); 86header("Cache-Control: post-check=0, pre-check=0", false);
86header("Pragma: no-cache"); 87header("Pragma: no-cache");
87 88
88// Directories creations (Note that your web host may require differents rights than 705.) 89// Directories creations (Note that your web host may require different rights than 705.)
89if (!is_writable(realpath(dirname(__FILE__)))) die('<pre>ERROR: Shaarli does not have the right to write in its own directory ('.realpath(dirname(__FILE__)).').</pre>'); 90if (!is_writable(realpath(dirname(__FILE__)))) die('<pre>ERROR: Shaarli does not have the right to write in its own directory ('.realpath(dirname(__FILE__)).').</pre>');
90if (!is_dir($GLOBALS['config']['DATADIR'])) { mkdir($GLOBALS['config']['DATADIR'],0705); chmod($GLOBALS['config']['DATADIR'],0705); }
91if (!is_dir('tmp')) { mkdir('tmp',0705); chmod('tmp',0705); } // For RainTPL temporary files.
92if (!is_file($GLOBALS['config']['DATADIR'].'/.htaccess')) { file_put_contents($GLOBALS['config']['DATADIR'].'/.htaccess',"Allow from none\nDeny from all\n"); } // Protect data files.
93// Second check to see if Shaarli can write in its directory, because on some hosts is_writable() is not reliable.
94if (!is_file($GLOBALS['config']['DATADIR'].'/.htaccess')) die('<pre>ERROR: Shaarli does not have the right to write in its data directory ('.realpath($GLOBALS['config']['DATADIR']).').</pre>');
95if ($GLOBALS['config']['ENABLE_LOCALCACHE'])
96{
97 if (!is_dir($GLOBALS['config']['CACHEDIR'])) { mkdir($GLOBALS['config']['CACHEDIR'],0705); chmod($GLOBALS['config']['CACHEDIR'],0705); }
98 if (!is_file($GLOBALS['config']['CACHEDIR'].'/.htaccess')) { file_put_contents($GLOBALS['config']['CACHEDIR'].'/.htaccess',"Allow from none\nDeny from all\n"); } // Protect data files.
99}
100 91
101// Handling of old config file which do not have the new parameters. 92// Handling of old config file which do not have the new parameters.
102if (empty($GLOBALS['title'])) $GLOBALS['title']='Shared links on '.htmlspecialchars(indexUrl()); 93if (empty($GLOBALS['title'])) $GLOBALS['title']='Shared links on '.htmlspecialchars(indexUrl());
@@ -119,13 +110,13 @@ define('STAY_SIGNED_IN_TOKEN', sha1($GLOBALS['hash'].$_SERVER["REMOTE_ADDR"].$GL
119autoLocale(); // Sniff browser language and set date format accordingly. 110autoLocale(); // Sniff browser language and set date format accordingly.
120header('Content-Type: text/html; charset=utf-8'); // We use UTF-8 for proper international characters handling. 111header('Content-Type: text/html; charset=utf-8'); // We use UTF-8 for proper international characters handling.
121 112
122// Check php version 113// Check PHP version
123function checkphpversion() 114function checkphpversion()
124{ 115{
125 if (version_compare(PHP_VERSION, '5.1.0') < 0) 116 if (version_compare(PHP_VERSION, '5.1.0') < 0)
126 { 117 {
127 header('Content-Type: text/plain; charset=utf-8'); 118 header('Content-Type: text/plain; charset=utf-8');
128 echo 'Your server supports php '.PHP_VERSION.'. Shaarli requires at least php 5.1.0, and thus cannot run. Sorry.'; 119 echo 'Your server supports PHP '.PHP_VERSION.'. Shaarli requires at least php 5.1.0, and thus cannot run. Sorry.';
129 exit; 120 exit;
130 } 121 }
131} 122}
@@ -144,7 +135,7 @@ function checkUpdate()
144 $version=shaarli_version; 135 $version=shaarli_version;
145 list($httpstatus,$headers,$data) = getHTTP('http://sebsauvage.net/files/shaarli_version.txt',2); 136 list($httpstatus,$headers,$data) = getHTTP('http://sebsauvage.net/files/shaarli_version.txt',2);
146 if (strpos($httpstatus,'200 OK')!==false) $version=$data; 137 if (strpos($httpstatus,'200 OK')!==false) $version=$data;
147 // If failed, nevermind. We don't want to bother the user with that. 138 // If failed, never mind. We don't want to bother the user with that.
148 file_put_contents($GLOBALS['config']['UPDATECHECK_FILENAME'],$version); // touch file date 139 file_put_contents($GLOBALS['config']['UPDATECHECK_FILENAME'],$version); // touch file date
149 } 140 }
150 // Compare versions: 141 // Compare versions:
@@ -160,11 +151,11 @@ function checkUpdate()
160class pageCache 151class pageCache
161{ 152{
162 private $url; // Full URL of the page to cache (typically the value returned by pageUrl()) 153 private $url; // Full URL of the page to cache (typically the value returned by pageUrl())
163 private $shouldBeCached; // boolean: Should this url be cached ? 154 private $shouldBeCached; // boolean: Should this url be cached?
164 private $filename; // Name of the cache file for this url 155 private $filename; // Name of the cache file for this url.
165 156
166 /* 157 /*
167 $url = url (typically the value returned by pageUrl()) 158 $url = URL (typically the value returned by pageUrl())
168 $shouldBeCached = boolean. If false, the cache will be disabled. 159 $shouldBeCached = boolean. If false, the cache will be disabled.
169 */ 160 */
170 public function __construct($url,$shouldBeCached) 161 public function __construct($url,$shouldBeCached)
@@ -187,7 +178,6 @@ class pageCache
187 public function cache($page) 178 public function cache($page)
188 { 179 {
189 if (!$this->shouldBeCached) return; 180 if (!$this->shouldBeCached) return;
190 if (!is_dir($GLOBALS['config']['PAGECACHE'])) { mkdir($GLOBALS['config']['PAGECACHE'],0705); chmod($GLOBALS['config']['PAGECACHE'],0705); }
191 file_put_contents($this->filename,$page); 181 file_put_contents($this->filename,$page);
192 } 182 }
193 183
@@ -227,7 +217,7 @@ function nl2br_escaped($html)
227} 217}
228 218
229/* Returns the small hash of a string, using RFC 4648 base64url format 219/* Returns the small hash of a string, using RFC 4648 base64url format
230 eg. smallHash('20111006_131924') --> yZH23w 220 e.g. smallHash('20111006_131924') --> yZH23w
231 Small hashes: 221 Small hashes:
232 - are unique (well, as unique as crc32, at last) 222 - are unique (well, as unique as crc32, at last)
233 - are always 6 characters long. 223 - are always 6 characters long.
@@ -241,7 +231,7 @@ function smallHash($text)
241 return strtr($t, '+/', '-_'); 231 return strtr($t, '+/', '-_');
242} 232}
243 233
244// In a string, converts urls to clickable links. 234// In a string, converts URLs to clickable links.
245// Function inspired from http://www.php.net/manual/en/function.preg-replace.php#85722 235// Function inspired from http://www.php.net/manual/en/function.preg-replace.php#85722
246function text2clickable($url) 236function text2clickable($url)
247{ 237{
@@ -262,8 +252,8 @@ function keepMultipleSpaces($text)
262function autoLocale() 252function autoLocale()
263{ 253{
264 $loc='en_US'; // Default if browser does not send HTTP_ACCEPT_LANGUAGE 254 $loc='en_US'; // Default if browser does not send HTTP_ACCEPT_LANGUAGE
265 if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) // eg. "fr,fr-fr;q=0.8,en;q=0.5,en-us;q=0.3" 255 if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) // e.g. "fr,fr-fr;q=0.8,en;q=0.5,en-us;q=0.3"
266 { // (It's a bit crude, but it works very well. Prefered language is always presented first.) 256 { // (It's a bit crude, but it works very well. Preferred language is always presented first.)
267 if (preg_match('/([a-z]{2}(-[a-z]{2})?)/i',$_SERVER['HTTP_ACCEPT_LANGUAGE'],$matches)) $loc=$matches[1]; 257 if (preg_match('/([a-z]{2}(-[a-z]{2})?)/i',$_SERVER['HTTP_ACCEPT_LANGUAGE'],$matches)) $loc=$matches[1];
268 } 258 }
269 setlocale(LC_TIME,$loc); // LC_TIME = Set local for date/time format only. 259 setlocale(LC_TIME,$loc); // LC_TIME = Set local for date/time format only.
@@ -300,7 +290,7 @@ function allIPs()
300} 290}
301 291
302function fillSessionInfo() { 292function fillSessionInfo() {
303 $_SESSION['uid'] = sha1(uniqid('',true).'_'.mt_rand()); // generate unique random number (different than phpsessionid) 293 $_SESSION['uid'] = sha1(uniqid('',true).'_'.mt_rand()); // Generate unique random number (different than phpsessionid)
304 $_SESSION['ip']=allIPs(); // We store IP address(es) of the client to make sure session is not hijacked. 294 $_SESSION['ip']=allIPs(); // We store IP address(es) of the client to make sure session is not hijacked.
305 $_SESSION['username']=$GLOBALS['login']; 295 $_SESSION['username']=$GLOBALS['login'];
306 $_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT; // Set session expiration. 296 $_SESSION['expires_on']=time()+INACTIVITY_TIMEOUT; // Set session expiration.
@@ -404,7 +394,7 @@ if (isset($_POST['login']))
404{ 394{
405 if (!ban_canLogin()) die('I said: NO. You are banned for the moment. Go away.'); 395 if (!ban_canLogin()) die('I said: NO. You are banned for the moment. Go away.');
406 if (isset($_POST['password']) && tokenOk($_POST['token']) && (check_auth($_POST['login'], $_POST['password']))) 396 if (isset($_POST['password']) && tokenOk($_POST['token']) && (check_auth($_POST['login'], $_POST['password'])))
407 { // Login/password is ok. 397 { // Login/password is OK.
408 ban_loginOk(); 398 ban_loginOk();
409 // If user wants to keep the session cookie even after the browser closes: 399 // If user wants to keep the session cookie even after the browser closes:
410 if (!empty($_POST['longlastingsession'])) 400 if (!empty($_POST['longlastingsession']))
@@ -415,7 +405,7 @@ if (isset($_POST['login']))
415 405
416 $cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/'; 406 $cookiedir = ''; if(dirname($_SERVER['SCRIPT_NAME'])!='/') $cookiedir=dirname($_SERVER["SCRIPT_NAME"]).'/';
417 session_set_cookie_params($_SESSION['longlastingsession'],$cookiedir,$_SERVER['HTTP_HOST']); // Set session cookie expiration on client side 407 session_set_cookie_params($_SESSION['longlastingsession'],$cookiedir,$_SERVER['HTTP_HOST']); // Set session cookie expiration on client side
418 // Note: Never forget the trailing slash on the cookie path ! 408 // Note: Never forget the trailing slash on the cookie path!
419 session_regenerate_id(true); // Send cookie with new expiration date to browser. 409 session_regenerate_id(true); // Send cookie with new expiration date to browser.
420 } 410 }
421 else // Standard session expiration (=when browser closes) 411 else // Standard session expiration (=when browser closes)
@@ -447,7 +437,7 @@ if (isset($_POST['login']))
447// Misc utility functions: 437// Misc utility functions:
448 438
449// Returns the server URL (including port and http/https), without path. 439// Returns the server URL (including port and http/https), without path.
450// eg. "http://myserver.com:8080" 440// e.g. "http://myserver.com:8080"
451// You can append $_SERVER['SCRIPT_NAME'] to get the current script URL. 441// You can append $_SERVER['SCRIPT_NAME'] to get the current script URL.
452function serverUrl() 442function serverUrl()
453{ 443{
@@ -457,24 +447,24 @@ function serverUrl()
457} 447}
458 448
459// Returns the absolute URL of current script, without the query. 449// Returns the absolute URL of current script, without the query.
460// (eg. http://sebsauvage.net/links/) 450// (e.g. http://sebsauvage.net/links/)
461function indexUrl() 451function indexUrl()
462{ 452{
463 $scriptname = $_SERVER["SCRIPT_NAME"]; 453 $scriptname = $_SERVER["SCRIPT_NAME"];
464 // If the script is named 'index.php', we remove it (for better looking URLs, 454 // If the script is named 'index.php', we remove it (for better looking URLs,
465 // eg. http://mysite.com/shaarli/?abcde instead of http://mysite.com/shaarli/index.php?abcde) 455 // e.g. http://mysite.com/shaarli/?abcde instead of http://mysite.com/shaarli/index.php?abcde)
466 if (endswith($scriptname,'index.php')) $scriptname = substr($scriptname,0,strlen($scriptname)-9); 456 if (endswith($scriptname,'index.php')) $scriptname = substr($scriptname,0,strlen($scriptname)-9);
467 return serverUrl() . $scriptname; 457 return serverUrl() . $scriptname;
468} 458}
469 459
470// Returns the absolute URL of current script, WITH the query. 460// Returns the absolute URL of current script, WITH the query.
471// (eg. http://sebsauvage.net/links/?toto=titi&spamspamspam=humbug) 461// (e.g. http://sebsauvage.net/links/?toto=titi&spamspamspam=humbug)
472function pageUrl() 462function pageUrl()
473{ 463{
474 return indexUrl().(!empty($_SERVER["QUERY_STRING"]) ? '?'.$_SERVER["QUERY_STRING"] : ''); 464 return indexUrl().(!empty($_SERVER["QUERY_STRING"]) ? '?'.$_SERVER["QUERY_STRING"] : '');
475} 465}
476 466
477// Convert post_max_size/upload_max_filesize (eg.'16M') parameters to bytes. 467// Convert post_max_size/upload_max_filesize (e.g. '16M') parameters to bytes.
478function return_bytes($val) 468function return_bytes($val)
479{ 469{
480 $val = trim($val); $last=strtolower($val[strlen($val)-1]); 470 $val = trim($val); $last=strtolower($val[strlen($val)-1]);
@@ -495,7 +485,7 @@ function getMaxFileSize()
495 $size2 = return_bytes(ini_get('upload_max_filesize')); 485 $size2 = return_bytes(ini_get('upload_max_filesize'));
496 // Return the smaller of two: 486 // Return the smaller of two:
497 $maxsize = min($size1,$size2); 487 $maxsize = min($size1,$size2);
498 // FIXME: Then convert back to readable notations ? (eg. 2M instead of 2000000) 488 // FIXME: Then convert back to readable notations ? (e.g. 2M instead of 2000000)
499 return $maxsize; 489 return $maxsize;
500} 490}
501 491
@@ -543,7 +533,7 @@ function linkdate2iso8601($linkdate)
543function linkdate2locale($linkdate) 533function linkdate2locale($linkdate)
544{ 534{
545 return utf8_encode(strftime('%c',linkdate2timestamp($linkdate))); // %c is for automatic date format according to locale. 535 return utf8_encode(strftime('%c',linkdate2timestamp($linkdate))); // %c is for automatic date format according to locale.
546 // Note that if you use a local which is not installed on your webserver, 536 // Note that if you use a locale which is not installed on your webserver,
547 // the date will not be displayed in the chosen locale, but probably in US notation. 537 // the date will not be displayed in the chosen locale, but probably in US notation.
548} 538}
549 539
@@ -565,10 +555,10 @@ function http_parse_headers_shaarli( $headers )
565} 555}
566 556
567/* GET an URL. 557/* GET an URL.
568 Input: $url : url to get (http://...) 558 Input: $url : URL to get (http://...)
569 $timeout : Network timeout (will wait this many seconds for an anwser before giving up). 559 $timeout : Network timeout (will wait this many seconds for an anwser before giving up).
570 Output: An array. [0] = HTTP status message (eg. "HTTP/1.1 200 OK") or error message 560 Output: An array. [0] = HTTP status message (e.g. "HTTP/1.1 200 OK") or error message
571 [1] = associative array containing HTTP response headers (eg. echo getHTTP($url)[1]['Content-Type']) 561 [1] = associative array containing HTTP response headers (e.g. echo getHTTP($url)[1]['Content-Type'])
572 [2] = data 562 [2] = data
573 Example: list($httpstatus,$headers,$data) = getHTTP('http://sebauvage.net/'); 563 Example: list($httpstatus,$headers,$data) = getHTTP('http://sebauvage.net/');
574 if (strpos($httpstatus,'200 OK')!==false) 564 if (strpos($httpstatus,'200 OK')!==false)
@@ -584,11 +574,11 @@ function getHTTP($url,$timeout=30)
584 $context = stream_context_create($options); 574 $context = stream_context_create($options);
585 $data=file_get_contents($url,false,$context,-1, 4000000); // We download at most 4 Mb from source. 575 $data=file_get_contents($url,false,$context,-1, 4000000); // We download at most 4 Mb from source.
586 if (!$data) { return array('HTTP Error',array(),''); } 576 if (!$data) { return array('HTTP Error',array(),''); }
587 $httpStatus=$http_response_header[0]; // eg. "HTTP/1.1 200 OK" 577 $httpStatus=$http_response_header[0]; // e.g. "HTTP/1.1 200 OK"
588 $responseHeaders=http_parse_headers_shaarli($http_response_header); 578 $responseHeaders=http_parse_headers_shaarli($http_response_header);
589 return array($httpStatus,$responseHeaders,$data); 579 return array($httpStatus,$responseHeaders,$data);
590 } 580 }
591 catch (Exception $e) // getHTTP *can* fail silentely (we don't care if the title cannot be fetched) 581 catch (Exception $e) // getHTTP *can* fail silently (we don't care if the title cannot be fetched)
592 { 582 {
593 return array($e->getMessage(),'',''); 583 return array($e->getMessage(),'','');
594 } 584 }
@@ -614,14 +604,14 @@ function getToken()
614 return $rnd; 604 return $rnd;
615} 605}
616 606
617// Tells if a token is ok. Using this function will destroy the token. 607// Tells if a token is OK. Using this function will destroy the token.
618// true=token is ok. 608// true=token is OK.
619function tokenOk($token) 609function tokenOk($token)
620{ 610{
621 if (isset($_SESSION['tokens'][$token])) 611 if (isset($_SESSION['tokens'][$token]))
622 { 612 {
623 unset($_SESSION['tokens'][$token]); // Token is used: destroy it. 613 unset($_SESSION['tokens'][$token]); // Token is used: destroy it.
624 return true; // Token is ok. 614 return true; // Token is OK.
625 } 615 }
626 return false; // Wrong token, or already used. 616 return false; // Wrong token, or already used.
627} 617}
@@ -656,7 +646,7 @@ class pageBuilder
656 $this->tpl->assign('version',shaarli_version); 646 $this->tpl->assign('version',shaarli_version);
657 $this->tpl->assign('scripturl',indexUrl()); 647 $this->tpl->assign('scripturl',indexUrl());
658 $this->tpl->assign('pagetitle','Shaarli'); 648 $this->tpl->assign('pagetitle','Shaarli');
659 $this->tpl->assign('privateonly',!empty($_SESSION['privateonly'])); // Show only private links ? 649 $this->tpl->assign('privateonly',!empty($_SESSION['privateonly'])); // Show only private links?
660 if (!empty($GLOBALS['title'])) $this->tpl->assign('pagetitle',$GLOBALS['title']); 650 if (!empty($GLOBALS['title'])) $this->tpl->assign('pagetitle',$GLOBALS['title']);
661 if (!empty($GLOBALS['titleLink'])) $this->tpl->assign('titleLink',$GLOBALS['titleLink']); 651 if (!empty($GLOBALS['titleLink'])) $this->tpl->assign('titleLink',$GLOBALS['titleLink']);
662 if (!empty($GLOBALS['pagetitle'])) $this->tpl->assign('pagetitle',$GLOBALS['pagetitle']); 652 if (!empty($GLOBALS['pagetitle'])) $this->tpl->assign('pagetitle',$GLOBALS['pagetitle']);
@@ -672,7 +662,7 @@ class pageBuilder
672 } 662 }
673 663
674 // Render a specific page (using a template). 664 // Render a specific page (using a template).
675 // eg. pb.renderPage('picwall') 665 // e.g. pb.renderPage('picwall')
676 public function renderPage($page) 666 public function renderPage($page)
677 { 667 {
678 if ($this->tpl===false) $this->initialize(); // Lazy initialization 668 if ($this->tpl===false) $this->initialize(); // Lazy initialization
@@ -691,10 +681,10 @@ class pageBuilder
691 681
692 Available keys: 682 Available keys:
693 title : Title of the link 683 title : Title of the link
694 url : URL of the link. Can be absolute or relative. Relative URLs are permalinks (eg.'?m-ukcw') 684 url : URL of the link. Can be absolute or relative. Relative URLs are permalinks (e.g.'?m-ukcw')
695 description : description of the entry 685 description : description of the entry
696 private : Is this link private ? 0=no, other value=yes 686 private : Is this link private? 0=no, other value=yes
697 linkdate : date of the creation of this entry, in the form YYYYMMDD_HHMMSS (eg.'20110914_192317') 687 linkdate : date of the creation of this entry, in the form YYYYMMDD_HHMMSS (e.g.'20110914_192317')
698 tags : tags attached to this entry (separated by spaces) 688 tags : tags attached to this entry (separated by spaces)
699 689
700 We implement 3 interfaces: 690 We implement 3 interfaces:
@@ -704,15 +694,15 @@ class pageBuilder
704*/ 694*/
705class linkdb implements Iterator, Countable, ArrayAccess 695class linkdb implements Iterator, Countable, ArrayAccess
706{ 696{
707 private $links; // List of links (associative array. Key=linkdate (eg. "20110823_124546"), value= associative array (keys:title,description...) 697 private $links; // List of links (associative array. Key=linkdate (e.g. "20110823_124546"), value= associative array (keys:title,description...)
708 private $urls; // List of all recorded URLs (key=url, value=linkdate) for fast reserve search (url-->linkdate) 698 private $urls; // List of all recorded URLs (key=url, value=linkdate) for fast reserve search (url-->linkdate)
709 private $keys; // List of linkdate keys (for the Iterator interface implementation) 699 private $keys; // List of linkdate keys (for the Iterator interface implementation)
710 private $position; // Position in the $this->keys array. (for the Iterator interface implementation.) 700 private $position; // Position in the $this->keys array. (for the Iterator interface implementation.)
711 private $loggedin; // Is the used logged in ? (used to filter private links) 701 private $loggedin; // Is the user logged in? (used to filter private links)
712 702
713 // Constructor: 703 // Constructor:
714 function __construct($isLoggedIn) 704 function __construct($isLoggedIn)
715 // Input : $isLoggedIn : is the used logged in ? 705 // Input : $isLoggedIn : is the user logged in?
716 { 706 {
717 $this->loggedin = $isLoggedIn; 707 $this->loggedin = $isLoggedIn;
718 $this->checkdb(); // Make sure data file exists. 708 $this->checkdb(); // Make sure data file exists.
@@ -726,7 +716,7 @@ class linkdb implements Iterator, Countable, ArrayAccess
726 public function offsetSet($offset, $value) 716 public function offsetSet($offset, $value)
727 { 717 {
728 if (!$this->loggedin) die('You are not authorized to add a link.'); 718 if (!$this->loggedin) die('You are not authorized to add a link.');
729 if (empty($value['linkdate']) || empty($value['url'])) die('Internal Error: A link should always have a linkdate and url.'); 719 if (empty($value['linkdate']) || empty($value['url'])) die('Internal Error: A link should always have a linkdate and URL.');
730 if (empty($offset)) die('You must specify a key.'); 720 if (empty($offset)) die('You must specify a key.');
731 $this->links[$offset] = $value; 721 $this->links[$offset] = $value;
732 $this->urls[$value['url']]=$offset; 722 $this->urls[$value['url']]=$offset;
@@ -789,19 +779,19 @@ class linkdb implements Iterator, Countable, ArrayAccess
789 invalidateCaches(); 779 invalidateCaches();
790 } 780 }
791 781
792 // Returns the link for a given URL (if it exists). false it does not exist. 782 // Returns the link for a given URL (if it exists). False if it does not exist.
793 public function getLinkFromUrl($url) 783 public function getLinkFromUrl($url)
794 { 784 {
795 if (isset($this->urls[$url])) return $this->links[$this->urls[$url]]; 785 if (isset($this->urls[$url])) return $this->links[$this->urls[$url]];
796 return false; 786 return false;
797 } 787 }
798 788
799 // Case insentitive search among links (in url, title and description). Returns filtered list of links. 789 // Case insensitive search among links (in the URLs, title and description). Returns filtered list of links.
800 // eg. print_r($mydb->filterFulltext('hollandais')); 790 // e.g. print_r($mydb->filterFulltext('hollandais'));
801 public function filterFulltext($searchterms) 791 public function filterFulltext($searchterms)
802 { 792 {
803 // FIXME: explode(' ',$searchterms) and perform a AND search. 793 // FIXME: explode(' ',$searchterms) and perform a AND search.
804 // FIXME: accept double-quotes to search for a string "as is" ? 794 // FIXME: accept double-quotes to search for a string "as is"?
805 $filtered=array(); 795 $filtered=array();
806 $s = strtolower($searchterms); 796 $s = strtolower($searchterms);
807 foreach($this->links as $l) 797 foreach($this->links as $l)
@@ -818,7 +808,7 @@ class linkdb implements Iterator, Countable, ArrayAccess
818 808
819 // Filter by tag. 809 // Filter by tag.
820 // You can specify one or more tags (tags can be separated by space or comma). 810 // You can specify one or more tags (tags can be separated by space or comma).
821 // eg. print_r($mydb->filterTags('linux programming')); 811 // e.g. print_r($mydb->filterTags('linux programming'));
822 public function filterTags($tags,$casesensitive=false) 812 public function filterTags($tags,$casesensitive=false)
823 { 813 {
824 $t = str_replace(',',' ',($casesensitive?$tags:strtolower($tags))); 814 $t = str_replace(',',' ',($casesensitive?$tags:strtolower($tags)));
@@ -834,9 +824,9 @@ class linkdb implements Iterator, Countable, ArrayAccess
834 return $filtered; 824 return $filtered;
835 } 825 }
836 826
837 // Filter by day. Day must be in the form 'YYYYMMDD' (eg. '20120125') 827 // Filter by day. Day must be in the form 'YYYYMMDD' (e.g. '20120125')
838 // Sort order is: older articles first. 828 // Sort order is: older articles first.
839 // eg. print_r($mydb->filterDay('20120125')); 829 // e.g. print_r($mydb->filterDay('20120125'));
840 public function filterDay($day) 830 public function filterDay($day)
841 { 831 {
842 $filtered=array(); 832 $filtered=array();
@@ -891,13 +881,13 @@ class linkdb implements Iterator, Countable, ArrayAccess
891} 881}
892 882
893// ------------------------------------------------------------------------------------------ 883// ------------------------------------------------------------------------------------------
894// Ouput the last N links in RSS 2.0 format. 884// Output the last N links in RSS 2.0 format.
895function showRSS() 885function showRSS()
896{ 886{
897 header('Content-Type: application/rss+xml; charset=utf-8'); 887 header('Content-Type: application/rss+xml; charset=utf-8');
898 888
899 // $usepermalink : If true, use permalink instead of final link. 889 // $usepermalink : If true, use permalink instead of final link.
900 // User just has to add 'permalink' in URL parameters. eg. http://mysite.com/shaarli/?do=rss&permalinks 890 // User just has to add 'permalink' in URL parameters. e.g. http://mysite.com/shaarli/?do=rss&permalinks
901 $usepermalinks = isset($_GET['permalinks']); 891 $usepermalinks = isset($_GET['permalinks']);
902 892
903 // Cache system 893 // Cache system
@@ -906,9 +896,9 @@ function showRSS()
906 $cached = $cache->cachedVersion(); if (!empty($cached)) { echo $cached; exit; } 896 $cached = $cache->cachedVersion(); if (!empty($cached)) { echo $cached; exit; }
907 897
908 // If cached was not found (or not usable), then read the database and build the response: 898 // If cached was not found (or not usable), then read the database and build the response:
909 $LINKSDB=new linkdb(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in). 899 $LINKSDB=new linkdb(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if user it not logged in).
910 900
911 // Optionnaly filter the results: 901 // Optionally filter the results:
912 $linksToDisplay=array(); 902 $linksToDisplay=array();
913 if (!empty($_GET['searchterm'])) $linksToDisplay = $LINKSDB->filterFulltext($_GET['searchterm']); 903 if (!empty($_GET['searchterm'])) $linksToDisplay = $LINKSDB->filterFulltext($_GET['searchterm']);
914 elseif (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags'])); 904 elseif (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags']));
@@ -965,13 +955,13 @@ function showRSS()
965} 955}
966 956
967// ------------------------------------------------------------------------------------------ 957// ------------------------------------------------------------------------------------------
968// Ouput the last N links in ATOM format. 958// Output the last N links in ATOM format.
969function showATOM() 959function showATOM()
970{ 960{
971 header('Content-Type: application/atom+xml; charset=utf-8'); 961 header('Content-Type: application/atom+xml; charset=utf-8');
972 962
973 // $usepermalink : If true, use permalink instead of final link. 963 // $usepermalink : If true, use permalink instead of final link.
974 // User just has to add 'permalink' in URL parameters. eg. http://mysite.com/shaarli/?do=atom&permalinks 964 // User just has to add 'permalink' in URL parameters. e.g. http://mysite.com/shaarli/?do=atom&permalinks
975 $usepermalinks = isset($_GET['permalinks']); 965 $usepermalinks = isset($_GET['permalinks']);
976 966
977 // Cache system 967 // Cache system
@@ -983,7 +973,7 @@ function showATOM()
983 $LINKSDB=new linkdb(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in). 973 $LINKSDB=new linkdb(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in).
984 974
985 975
986 // Optionnaly filter the results: 976 // Optionally filter the results:
987 $linksToDisplay=array(); 977 $linksToDisplay=array();
988 if (!empty($_GET['searchterm'])) $linksToDisplay = $LINKSDB->filterFulltext($_GET['searchterm']); 978 if (!empty($_GET['searchterm'])) $linksToDisplay = $LINKSDB->filterFulltext($_GET['searchterm']);
989 elseif (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags'])); 979 elseif (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags']));
@@ -1079,7 +1069,7 @@ function showDailyRSS()
1079 if (empty($days[$day])) $days[$day]=array(); 1069 if (empty($days[$day])) $days[$day]=array();
1080 $days[$day][]=$linkdate; 1070 $days[$day][]=$linkdate;
1081 } 1071 }
1082 if (count($days)>$nb_of_days) break; // Have we collected enough days ? 1072 if (count($days)>$nb_of_days) break; // Have we collected enough days?
1083 } 1073 }
1084 1074
1085 // Build the RSS feed. 1075 // Build the RSS feed.
@@ -1158,7 +1148,7 @@ function showDaily()
1158 } 1148 }
1159 1149
1160 /* We need to spread the articles on 3 columns. 1150 /* We need to spread the articles on 3 columns.
1161 I did not want to use a javascript lib like http://masonry.desandro.com/ 1151 I did not want to use a JavaScript lib like http://masonry.desandro.com/
1162 so I manually spread entries with a simple method: I roughly evaluate the 1152 so I manually spread entries with a simple method: I roughly evaluate the
1163 height of a div according to title and description length. 1153 height of a div according to title and description length.
1164 */ 1154 */
@@ -1169,7 +1159,7 @@ function showDaily()
1169 // Roughly estimate length of entry (by counting characters) 1159 // Roughly estimate length of entry (by counting characters)
1170 // Title: 30 chars = 1 line. 1 line is 30 pixels height. 1160 // Title: 30 chars = 1 line. 1 line is 30 pixels height.
1171 // Description: 836 characters gives roughly 342 pixel height. 1161 // Description: 836 characters gives roughly 342 pixel height.
1172 // This is not perfect, but it's usually ok. 1162 // This is not perfect, but it's usually OK.
1173 $length=strlen($link['title'])+(342*strlen($link['description']))/836; 1163 $length=strlen($link['title'])+(342*strlen($link['description']))/836;
1174 if ($link['thumbnail']) $length +=100; // 1 thumbnails roughly takes 100 pixels height. 1164 if ($link['thumbnail']) $length +=100; // 1 thumbnails roughly takes 100 pixels height.
1175 // Then put in column which is the less filled: 1165 // Then put in column which is the less filled:
@@ -1222,7 +1212,7 @@ function renderPage()
1222 // -------- Picture wall 1212 // -------- Picture wall
1223 if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=picwall')) 1213 if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=picwall'))
1224 { 1214 {
1225 // Optionnaly filter the results: 1215 // Optionally filter the results:
1226 $links=array(); 1216 $links=array();
1227 if (!empty($_GET['searchterm'])) $links = $LINKSDB->filterFulltext($_GET['searchterm']); 1217 if (!empty($_GET['searchterm'])) $links = $LINKSDB->filterFulltext($_GET['searchterm']);
1228 elseif (!empty($_GET['searchtags'])) $links = $LINKSDB->filterTags(trim($_GET['searchtags'])); 1218 elseif (!empty($_GET['searchtags'])) $links = $LINKSDB->filterTags(trim($_GET['searchtags']));
@@ -1302,7 +1292,7 @@ function renderPage()
1302 if (isset($_GET['linksperpage'])) 1292 if (isset($_GET['linksperpage']))
1303 { 1293 {
1304 if (is_numeric($_GET['linksperpage'])) { $_SESSION['LINKS_PER_PAGE']=abs(intval($_GET['linksperpage'])); } 1294 if (is_numeric($_GET['linksperpage'])) { $_SESSION['LINKS_PER_PAGE']=abs(intval($_GET['linksperpage'])); }
1305 // Make sure the referer is from Shaarli itself. 1295 // Make sure the referrer is Shaarli itself.
1306 $referer = '?'; 1296 $referer = '?';
1307 if (!empty($_SERVER['HTTP_REFERER']) && strcmp(parse_url($_SERVER['HTTP_REFERER'],PHP_URL_HOST),$_SERVER['HTTP_HOST'])==0) 1297 if (!empty($_SERVER['HTTP_REFERER']) && strcmp(parse_url($_SERVER['HTTP_REFERER'],PHP_URL_HOST),$_SERVER['HTTP_HOST'])==0)
1308 $referer = $_SERVER['HTTP_REFERER']; 1298 $referer = $_SERVER['HTTP_REFERER'];
@@ -1321,7 +1311,7 @@ function renderPage()
1321 { 1311 {
1322 unset($_SESSION['privateonly']); // See all links 1312 unset($_SESSION['privateonly']); // See all links
1323 } 1313 }
1324 // Make sure the referer is from Shaarli itself. 1314 // Make sure the referrer is Shaarli itself.
1325 $referer = '?'; 1315 $referer = '?';
1326 if (!empty($_SERVER['HTTP_REFERER']) && strcmp(parse_url($_SERVER['HTTP_REFERER'],PHP_URL_HOST),$_SERVER['HTTP_HOST'])==0) 1316 if (!empty($_SERVER['HTTP_REFERER']) && strcmp(parse_url($_SERVER['HTTP_REFERER'],PHP_URL_HOST),$_SERVER['HTTP_HOST'])==0)
1327 $referer = $_SERVER['HTTP_REFERER']; 1317 $referer = $_SERVER['HTTP_REFERER'];
@@ -1332,7 +1322,7 @@ function renderPage()
1332 // -------- Handle other actions allowed for non-logged in users: 1322 // -------- Handle other actions allowed for non-logged in users:
1333 if (!isLoggedIn()) 1323 if (!isLoggedIn())
1334 { 1324 {
1335 // User tries to post new link but is not loggedin: 1325 // User tries to post new link but is not logged in:
1336 // Show login screen, then redirect to ?post=... 1326 // Show login screen, then redirect to ?post=...
1337 if (isset($_GET['post'])) 1327 if (isset($_GET['post']))
1338 { 1328 {
@@ -1342,7 +1332,7 @@ function renderPage()
1342 $PAGE = new pageBuilder; 1332 $PAGE = new pageBuilder;
1343 buildLinkList($PAGE,$LINKSDB); // Compute list of links to display 1333 buildLinkList($PAGE,$LINKSDB); // Compute list of links to display
1344 $PAGE->renderPage('linklist'); 1334 $PAGE->renderPage('linklist');
1345 exit; // Never remove this one ! All operations below are reserved for logged in user. 1335 exit; // Never remove this one! All operations below are reserved for logged in user.
1346 } 1336 }
1347 1337
1348 // -------- All other functions are reserved for the registered user: 1338 // -------- All other functions are reserved for the registered user:
@@ -1363,7 +1353,7 @@ function renderPage()
1363 if ($GLOBALS['config']['OPEN_SHAARLI']) die('You are not supposed to change a password on an Open Shaarli.'); 1353 if ($GLOBALS['config']['OPEN_SHAARLI']) die('You are not supposed to change a password on an Open Shaarli.');
1364 if (!empty($_POST['setpassword']) && !empty($_POST['oldpassword'])) 1354 if (!empty($_POST['setpassword']) && !empty($_POST['oldpassword']))
1365 { 1355 {
1366 if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away ! 1356 if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away!
1367 1357
1368 // Make sure old password is correct. 1358 // Make sure old password is correct.
1369 $oldhash = sha1($_POST['oldpassword'].$GLOBALS['login'].$GLOBALS['salt']); 1359 $oldhash = sha1($_POST['oldpassword'].$GLOBALS['login'].$GLOBALS['salt']);
@@ -1390,7 +1380,7 @@ function renderPage()
1390 { 1380 {
1391 if (!empty($_POST['title']) ) 1381 if (!empty($_POST['title']) )
1392 { 1382 {
1393 if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away ! 1383 if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away!
1394 $tz = 'UTC'; 1384 $tz = 'UTC';
1395 if (!empty($_POST['continent']) && !empty($_POST['city'])) 1385 if (!empty($_POST['continent']) && !empty($_POST['city']))
1396 if (isTZvalid($_POST['continent'],$_POST['city'])) 1386 if (isTZvalid($_POST['continent'],$_POST['city']))
@@ -1414,7 +1404,7 @@ function renderPage()
1414 $PAGE->assign('title',htmlspecialchars( empty($GLOBALS['title']) ? '' : $GLOBALS['title'] , ENT_QUOTES)); 1404 $PAGE->assign('title',htmlspecialchars( empty($GLOBALS['title']) ? '' : $GLOBALS['title'] , ENT_QUOTES));
1415 $PAGE->assign('redirector',htmlspecialchars( empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector'] , ENT_QUOTES)); 1405 $PAGE->assign('redirector',htmlspecialchars( empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector'] , ENT_QUOTES));
1416 list($timezone_form,$timezone_js) = templateTZform($GLOBALS['timezone']); 1406 list($timezone_form,$timezone_js) = templateTZform($GLOBALS['timezone']);
1417 $PAGE->assign('timezone_form',$timezone_form); // FIXME: put entire tz form generation in template ? 1407 $PAGE->assign('timezone_form',$timezone_form); // FIXME: Put entire tz form generation in template?
1418 $PAGE->assign('timezone_js',$timezone_js); 1408 $PAGE->assign('timezone_js',$timezone_js);
1419 $PAGE->renderPage('configure'); 1409 $PAGE->renderPage('configure');
1420 exit; 1410 exit;
@@ -1438,7 +1428,7 @@ function renderPage()
1438 if (!empty($_POST['deletetag']) && !empty($_POST['fromtag'])) 1428 if (!empty($_POST['deletetag']) && !empty($_POST['fromtag']))
1439 { 1429 {
1440 $needle=trim($_POST['fromtag']); 1430 $needle=trim($_POST['fromtag']);
1441 $linksToAlter = $LINKSDB->filterTags($needle,true); // true for case-sensitive tag search. 1431 $linksToAlter = $LINKSDB->filterTags($needle,true); // True for case-sensitive tag search.
1442 foreach($linksToAlter as $key=>$value) 1432 foreach($linksToAlter as $key=>$value)
1443 { 1433 {
1444 $tags = explode(' ',trim($value['tags'])); 1434 $tags = explode(' ',trim($value['tags']));
@@ -1446,7 +1436,7 @@ function renderPage()
1446 $value['tags']=trim(implode(' ',$tags)); 1436 $value['tags']=trim(implode(' ',$tags));
1447 $LINKSDB[$key]=$value; 1437 $LINKSDB[$key]=$value;
1448 } 1438 }
1449 $LINKSDB->savedb(); // save to disk 1439 $LINKSDB->savedb(); // Save to disk.
1450 echo '<script language="JavaScript">alert("Tag was removed from '.count($linksToAlter).' links.");document.location=\'?\';</script>'; 1440 echo '<script language="JavaScript">alert("Tag was removed from '.count($linksToAlter).' links.");document.location=\'?\';</script>';
1451 exit; 1441 exit;
1452 } 1442 }
@@ -1459,17 +1449,17 @@ function renderPage()
1459 foreach($linksToAlter as $key=>$value) 1449 foreach($linksToAlter as $key=>$value)
1460 { 1450 {
1461 $tags = explode(' ',trim($value['tags'])); 1451 $tags = explode(' ',trim($value['tags']));
1462 $tags[array_search($needle,$tags)] = trim($_POST['totag']); // Remplace tags value. 1452 $tags[array_search($needle,$tags)] = trim($_POST['totag']); // Replace tags value.
1463 $value['tags']=trim(implode(' ',$tags)); 1453 $value['tags']=trim(implode(' ',$tags));
1464 $LINKSDB[$key]=$value; 1454 $LINKSDB[$key]=$value;
1465 } 1455 }
1466 $LINKSDB->savedb(); // save to disk 1456 $LINKSDB->savedb(); // Save to disk.
1467 echo '<script language="JavaScript">alert("Tag was renamed in '.count($linksToAlter).' links.");document.location=\'?searchtags='.urlencode($_POST['totag']).'\';</script>'; 1457 echo '<script language="JavaScript">alert("Tag was renamed in '.count($linksToAlter).' links.");document.location=\'?searchtags='.urlencode($_POST['totag']).'\';</script>';
1468 exit; 1458 exit;
1469 } 1459 }
1470 } 1460 }
1471 1461
1472 // -------- User wants to add a link without using the bookmarklet: show form. 1462 // -------- User wants to add a link without using the bookmarklet: Show form.
1473 if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=addlink')) 1463 if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=addlink'))
1474 { 1464 {
1475 $PAGE = new pageBuilder; 1465 $PAGE = new pageBuilder;
@@ -1481,7 +1471,7 @@ function renderPage()
1481 // -------- User clicked the "Save" button when editing a link: Save link to database. 1471 // -------- User clicked the "Save" button when editing a link: Save link to database.
1482 if (isset($_POST['save_edit'])) 1472 if (isset($_POST['save_edit']))
1483 { 1473 {
1484 if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away ! 1474 if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away!
1485 $tags = trim(preg_replace('/\s\s+/',' ', $_POST['lf_tags'])); // Remove multiple spaces. 1475 $tags = trim(preg_replace('/\s\s+/',' ', $_POST['lf_tags'])); // Remove multiple spaces.
1486 $linkdate=$_POST['lf_linkdate']; 1476 $linkdate=$_POST['lf_linkdate'];
1487 $url = trim($_POST['lf_url']); 1477 $url = trim($_POST['lf_url']);
@@ -1491,7 +1481,7 @@ function renderPage()
1491 'linkdate'=>$linkdate,'tags'=>str_replace(',',' ',$tags)); 1481 'linkdate'=>$linkdate,'tags'=>str_replace(',',' ',$tags));
1492 if ($link['title']=='') $link['title']=$link['url']; // If title is empty, use the URL as title. 1482 if ($link['title']=='') $link['title']=$link['url']; // If title is empty, use the URL as title.
1493 $LINKSDB[$linkdate] = $link; 1483 $LINKSDB[$linkdate] = $link;
1494 $LINKSDB->savedb(); // save to disk 1484 $LINKSDB->savedb(); // Save to disk.
1495 pubsubhub(); 1485 pubsubhub();
1496 1486
1497 // If we are called from the bookmarklet, we must close the popup: 1487 // If we are called from the bookmarklet, we must close the popup:
@@ -1505,7 +1495,7 @@ function renderPage()
1505 // -------- User clicked the "Cancel" button when editing a link. 1495 // -------- User clicked the "Cancel" button when editing a link.
1506 if (isset($_POST['cancel_edit'])) 1496 if (isset($_POST['cancel_edit']))
1507 { 1497 {
1508 // If we are called from the bookmarklet, we must close the popup; 1498 // If we are called from the bookmarklet, we must close the popup:
1509 if (isset($_GET['source']) && $_GET['source']=='bookmarklet') { echo '<script language="JavaScript">self.close();</script>'; exit; } 1499 if (isset($_GET['source']) && $_GET['source']=='bookmarklet') { echo '<script language="JavaScript">self.close();</script>'; exit; }
1510 $returnurl = ( isset($_POST['returnurl']) ? $_POST['returnurl'] : '?' ); 1500 $returnurl = ( isset($_POST['returnurl']) ? $_POST['returnurl'] : '?' );
1511 $returnurl .= '#'.smallHash($_POST['lf_linkdate']); // Scroll to the link which has been edited. 1501 $returnurl .= '#'.smallHash($_POST['lf_linkdate']); // Scroll to the link which has been edited.
@@ -1513,12 +1503,12 @@ function renderPage()
1513 exit; 1503 exit;
1514 } 1504 }
1515 1505
1516 // -------- User clicked the "Delete" button when editing a link : Delete link from database. 1506 // -------- User clicked the "Delete" button when editing a link: Delete link from database.
1517 if (isset($_POST['delete_link'])) 1507 if (isset($_POST['delete_link']))
1518 { 1508 {
1519 if (!tokenOk($_POST['token'])) die('Wrong token.'); 1509 if (!tokenOk($_POST['token'])) die('Wrong token.');
1520 // We do not need to ask for confirmation: 1510 // We do not need to ask for confirmation:
1521 // - confirmation is handled by javascript 1511 // - confirmation is handled by JavaScript
1522 // - we are protected from XSRF by the token. 1512 // - we are protected from XSRF by the token.
1523 $linkdate=$_POST['lf_linkdate']; 1513 $linkdate=$_POST['lf_linkdate'];
1524 unset($LINKSDB[$linkdate]); 1514 unset($LINKSDB[$linkdate]);
@@ -1568,7 +1558,7 @@ function renderPage()
1568 $tags = (empty($_GET['tags']) ? '' : $_GET['tags'] ); // Get tags if it was provided in URL 1558 $tags = (empty($_GET['tags']) ? '' : $_GET['tags'] ); // Get tags if it was provided in URL
1569 $private = (!empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0); // Get private if it was provided in URL 1559 $private = (!empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0); // Get private if it was provided in URL
1570 if (($url!='') && parse_url($url,PHP_URL_SCHEME)=='') $url = 'http://'.$url; 1560 if (($url!='') && parse_url($url,PHP_URL_SCHEME)=='') $url = 'http://'.$url;
1571 // If this is an HTTP link, we try go get the page to extact the title (otherwise we will to straight to the edit form.) 1561 // 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.)
1572 if (empty($title) && parse_url($url,PHP_URL_SCHEME)=='http') 1562 if (empty($title) && parse_url($url,PHP_URL_SCHEME)=='http')
1573 { 1563 {
1574 list($status,$headers,$data) = getHTTP($url,4); // Short timeout to keep the application responsive. 1564 list($status,$headers,$data) = getHTTP($url,4); // Short timeout to keep the application responsive.
@@ -1622,7 +1612,7 @@ function renderPage()
1622 exit; 1612 exit;
1623 } 1613 }
1624 $exportWhat=$_GET['what']; 1614 $exportWhat=$_GET['what'];
1625 if (!array_intersect(array('all','public','private'),array($exportWhat))) die('What are you trying to export ???'); 1615 if (!array_intersect(array('all','public','private'),array($exportWhat))) die('What are you trying to export???');
1626 1616
1627 header('Content-Type: text/html; charset=utf-8'); 1617 header('Content-Type: text/html; charset=utf-8');
1628 header('Content-disposition: attachment; filename=bookmarks_'.$exportWhat.'_'.strval(date('Ymd_His')).'.html'); 1618 header('Content-disposition: attachment; filename=bookmarks_'.$exportWhat.'_'.strval(date('Ymd_His')).'.html');
@@ -1695,8 +1685,8 @@ function importFile()
1695 $filename=$_FILES['filetoupload']['name']; 1685 $filename=$_FILES['filetoupload']['name'];
1696 $filesize=$_FILES['filetoupload']['size']; 1686 $filesize=$_FILES['filetoupload']['size'];
1697 $data=file_get_contents($_FILES['filetoupload']['tmp_name']); 1687 $data=file_get_contents($_FILES['filetoupload']['tmp_name']);
1698 $private = (empty($_POST['private']) ? 0 : 1); // Should the links be imported as private ? 1688 $private = (empty($_POST['private']) ? 0 : 1); // Should the links be imported as private?
1699 $overwrite = !empty($_POST['overwrite']) ; // Should the imported links overwrite existing ones ? 1689 $overwrite = !empty($_POST['overwrite']) ; // Should the imported links overwrite existing ones?
1700 $import_count=0; 1690 $import_count=0;
1701 1691
1702 // Sniff file type: 1692 // Sniff file type:
@@ -1707,7 +1697,7 @@ function importFile()
1707 if ($type=='netscape') 1697 if ($type=='netscape')
1708 { 1698 {
1709 // This is a standard Netscape-style bookmark file. 1699 // This is a standard Netscape-style bookmark file.
1710 // This format is supported by all browsers (except IE, of course), also delicious, diigo and others. 1700 // This format is supported by all browsers (except IE, of course), also Delicious, Diigo and others.
1711 foreach(explode('<DT>',$data) as $html) // explode is very fast 1701 foreach(explode('<DT>',$data) as $html) // explode is very fast
1712 { 1702 {
1713 $link = array('linkdate'=>'','title'=>'','url'=>'','description'=>'','tags'=>'','private'=>0); 1703 $link = array('linkdate'=>'','title'=>'','url'=>'','description'=>'','tags'=>'','private'=>0);
@@ -1741,14 +1731,14 @@ function importFile()
1741 1731
1742 // Make sure date/time is not already used by another link. 1732 // Make sure date/time is not already used by another link.
1743 // (Some bookmark files have several different links with the same ADD_DATE) 1733 // (Some bookmark files have several different links with the same ADD_DATE)
1744 // We increment date by 1 second until we find a date which is not used in db. 1734 // We increment date by 1 second until we find a date which is not used in DB.
1745 // (so that links that have the same date/time are more or less kept grouped by date, but do not conflict.) 1735 // (so that links that have the same date/time are more or less kept grouped by date, but do not conflict.)
1746 while (!empty($LINKSDB[date('Ymd_His',$raw_add_date)])) { $raw_add_date++; }// Yes, I know it's ugly. 1736 while (!empty($LINKSDB[date('Ymd_His',$raw_add_date)])) { $raw_add_date++; }// Yes, I know it's ugly.
1747 $link['linkdate']=date('Ymd_His',$raw_add_date); 1737 $link['linkdate']=date('Ymd_His',$raw_add_date);
1748 $LINKSDB[$link['linkdate']] = $link; 1738 $LINKSDB[$link['linkdate']] = $link;
1749 $import_count++; 1739 $import_count++;
1750 } 1740 }
1751 else // link already present in database. 1741 else // Link already present in database.
1752 { 1742 {
1753 if ($overwrite) 1743 if ($overwrite)
1754 { // If overwrite is required, we import link data, except date/time. 1744 { // If overwrite is required, we import link data, except date/time.
@@ -1799,13 +1789,13 @@ function buildLinkList($PAGE,$LINKSDB)
1799 { 1789 {
1800 header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found"); 1790 header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
1801 echo '<h1>404 Not found.</h1>Oh crap. The link you are trying to reach does not exist or has been deleted.'; 1791 echo '<h1>404 Not found.</h1>Oh crap. The link you are trying to reach does not exist or has been deleted.';
1802 echo '<br>You would mind <a href="?">clicking here</a> ?'; 1792 echo '<br>You would mind <a href="?">clicking here</a>?';
1803 exit; 1793 exit;
1804 } 1794 }
1805 $search_type='permalink'; 1795 $search_type='permalink';
1806 } 1796 }
1807 else 1797 else
1808 $linksToDisplay = $LINKSDB; // otherwise, display without filtering. 1798 $linksToDisplay = $LINKSDB; // Otherwise, display without filtering.
1809 1799
1810 // Option: Show only private links 1800 // Option: Show only private links
1811 if (!empty($_SESSION['privateonly'])) 1801 if (!empty($_SESSION['privateonly']))
@@ -1819,11 +1809,11 @@ function buildLinkList($PAGE,$LINKSDB)
1819 } 1809 }
1820 1810
1821 // ---- Handle paging. 1811 // ---- Handle paging.
1822 /* Can someone explain to me why you get the following error when using array_keys() on an object which implements the interface ArrayAccess ??? 1812 /* Can someone explain to me why you get the following error when using array_keys() on an object which implements the interface ArrayAccess???
1823 "Warning: array_keys() expects parameter 1 to be array, object given in ... " 1813 "Warning: array_keys() expects parameter 1 to be array, object given in ... "
1824 If my class implements ArrayAccess, why won't array_keys() accept it ? ( $keys=array_keys($linksToDisplay); ) 1814 If my class implements ArrayAccess, why won't array_keys() accept it ? ( $keys=array_keys($linksToDisplay); )
1825 */ 1815 */
1826 $keys=array(); foreach($linksToDisplay as $key=>$value) { $keys[]=$key; } // Stupid and ugly. Thanks php. 1816 $keys=array(); foreach($linksToDisplay as $key=>$value) { $keys[]=$key; } // Stupid and ugly. Thanks PHP.
1827 1817
1828 // If there is only a single link, we change on-the-fly the title of the page. 1818 // If there is only a single link, we change on-the-fly the title of the page.
1829 if (count($linksToDisplay)==1) $GLOBALS['pagetitle'] = $linksToDisplay[$keys[0]]['title'].' - '.$GLOBALS['title']; 1819 if (count($linksToDisplay)==1) $GLOBALS['pagetitle'] = $linksToDisplay[$keys[0]]['title'].' - '.$GLOBALS['title'];
@@ -1870,7 +1860,7 @@ function buildLinkList($PAGE,$LINKSDB)
1870 $PAGE->assign('result_count',count($linksToDisplay)); 1860 $PAGE->assign('result_count',count($linksToDisplay));
1871 $PAGE->assign('search_type',$search_type); 1861 $PAGE->assign('search_type',$search_type);
1872 $PAGE->assign('search_crits',$search_crits); 1862 $PAGE->assign('search_crits',$search_crits);
1873 $PAGE->assign('redirector',empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector']); // optional redirector URL 1863 $PAGE->assign('redirector',empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector']); // Optional redirector URL.
1874 $PAGE->assign('token',$token); 1864 $PAGE->assign('token',$token);
1875 $PAGE->assign('links',$linkDisp); 1865 $PAGE->assign('links',$linkDisp);
1876 return; 1866 return;
@@ -1878,9 +1868,9 @@ function buildLinkList($PAGE,$LINKSDB)
1878 1868
1879// Compute the thumbnail for a link. 1869// Compute the thumbnail for a link.
1880// 1870//
1881// with a link to the original URL. 1871// With a link to the original URL.
1882// Understands various services (youtube.com...) 1872// Understands various services (youtube.com...)
1883// Input: $url = url for which the thumbnail must be found. 1873// Input: $url = URL for which the thumbnail must be found.
1884// $href = if provided, this URL will be followed instead of $url 1874// $href = if provided, this URL will be followed instead of $url
1885// Returns an associative array with thumbnail attributes (src,href,width,height,style,alt) 1875// Returns an associative array with thumbnail attributes (src,href,width,height,style,alt)
1886// Some of them may be missing. 1876// Some of them may be missing.
@@ -1891,7 +1881,7 @@ function computeThumbnail($url,$href=false)
1891 if ($href==false) $href=$url; 1881 if ($href==false) $href=$url;
1892 1882
1893 // For most hosts, the URL of the thumbnail can be easily deduced from the URL of the link. 1883 // For most hosts, the URL of the thumbnail can be easily deduced from the URL of the link.
1894 // (eg. http://www.youtube.com/watch?v=spVypYk4kto ---> http://img.youtube.com/vi/spVypYk4kto/default.jpg ) 1884 // (e.g. http://www.youtube.com/watch?v=spVypYk4kto ---> http://img.youtube.com/vi/spVypYk4kto/default.jpg )
1895 // ^^^^^^^^^^^ ^^^^^^^^^^^ 1885 // ^^^^^^^^^^^ ^^^^^^^^^^^
1896 $domain = parse_url($url,PHP_URL_HOST); 1886 $domain = parse_url($url,PHP_URL_HOST);
1897 if ($domain=='youtube.com' || $domain=='www.youtube.com') 1887 if ($domain=='youtube.com' || $domain=='www.youtube.com')
@@ -1964,17 +1954,17 @@ function computeThumbnail($url,$href=false)
1964 ) 1954 )
1965 { 1955 {
1966 if ($domain=='vimeo.com') 1956 if ($domain=='vimeo.com')
1967 { // Make sure this vimeo url points to a video (/xxx... where xxx is numeric) 1957 { // Make sure this vimeo URL points to a video (/xxx... where xxx is numeric)
1968 $path = parse_url($url,PHP_URL_PATH); 1958 $path = parse_url($url,PHP_URL_PATH);
1969 if (!preg_match('!/\d+.+?!',$path)) return array(); // This is not a single video URL. 1959 if (!preg_match('!/\d+.+?!',$path)) return array(); // This is not a single video URL.
1970 } 1960 }
1971 if ($domain=='xkcd.com' || endsWith($domain,'.xkcd.com')) 1961 if ($domain=='xkcd.com' || endsWith($domain,'.xkcd.com'))
1972 { // Make sure this url points to a single comic (/xxx... where xxx is numeric) 1962 { // Make sure this URL points to a single comic (/xxx... where xxx is numeric)
1973 $path = parse_url($url,PHP_URL_PATH); 1963 $path = parse_url($url,PHP_URL_PATH);
1974 if (!preg_match('!/\d+.+?!',$path)) return array(); 1964 if (!preg_match('!/\d+.+?!',$path)) return array();
1975 } 1965 }
1976 if ($domain=='ted.com' || endsWith($domain,'.ted.com')) 1966 if ($domain=='ted.com' || endsWith($domain,'.ted.com'))
1977 { // Make sure this TED url points to a video (/talks/...) 1967 { // Make sure this TED URL points to a video (/talks/...)
1978 $path = parse_url($url,PHP_URL_PATH); 1968 $path = parse_url($url,PHP_URL_PATH);
1979 if ("/talks/" !== substr($path,0,7)) return array(); // This is not a single video URL. 1969 if ("/talks/" !== substr($path,0,7)) return array(); // This is not a single video URL.
1980 } 1970 }
@@ -2001,7 +1991,7 @@ function computeThumbnail($url,$href=false)
2001// Returns the HTML code to display a thumbnail for a link 1991// Returns the HTML code to display a thumbnail for a link
2002// with a link to the original URL. 1992// with a link to the original URL.
2003// Understands various services (youtube.com...) 1993// Understands various services (youtube.com...)
2004// Input: $url = url for which the thumbnail must be found. 1994// Input: $url = URL for which the thumbnail must be found.
2005// $href = if provided, this URL will be followed instead of $url 1995// $href = if provided, this URL will be followed instead of $url
2006// Returns '' if no thumbnail available. 1996// Returns '' if no thumbnail available.
2007function thumbnail($url,$href=false) 1997function thumbnail($url,$href=false)
@@ -2022,7 +2012,7 @@ function thumbnail($url,$href=false)
2022// Returns the HTML code to display a thumbnail for a link 2012// Returns the HTML code to display a thumbnail for a link
2023// for the picture wall (using lazy image loading) 2013// for the picture wall (using lazy image loading)
2024// Understands various services (youtube.com...) 2014// Understands various services (youtube.com...)
2025// Input: $url = url for which the thumbnail must be found. 2015// Input: $url = URL for which the thumbnail must be found.
2026// $href = if provided, this URL will be followed instead of $url 2016// $href = if provided, this URL will be followed instead of $url
2027// Returns '' if no thumbnail available. 2017// Returns '' if no thumbnail available.
2028function lazyThumbnail($url,$href=false) 2018function lazyThumbnail($url,$href=false)
@@ -2032,7 +2022,7 @@ function lazyThumbnail($url,$href=false)
2032 2022
2033 $html='<a href="'.htmlspecialchars($t['href']).'">'; 2023 $html='<a href="'.htmlspecialchars($t['href']).'">';
2034 2024
2035 // Lazy image (only loaded by javascript when in the viewport). 2025 // Lazy image (only loaded by JavaScript when in the viewport).
2036 if (!empty($GLOBALS['disablejquery'])) // (except if jQuery is disabled) 2026 if (!empty($GLOBALS['disablejquery'])) // (except if jQuery is disabled)
2037 $html.='<img class="lazyimage" src="'.htmlspecialchars($t['src']).'"'; 2027 $html.='<img class="lazyimage" src="'.htmlspecialchars($t['src']).'"';
2038 else 2028 else
@@ -2044,7 +2034,7 @@ function lazyThumbnail($url,$href=false)
2044 if (!empty($t['alt'])) $html.=' alt="'.htmlspecialchars($t['alt']).'"'; 2034 if (!empty($t['alt'])) $html.=' alt="'.htmlspecialchars($t['alt']).'"';
2045 $html.='>'; 2035 $html.='>';
2046 2036
2047 // No-javascript fallback. 2037 // No-JavaScript fallback.
2048 $html.='<noscript><img src="'.htmlspecialchars($t['src']).'"'; 2038 $html.='<noscript><img src="'.htmlspecialchars($t['src']).'"';
2049 if (!empty($t['width'])) $html.=' width="'.htmlspecialchars($t['width']).'"'; 2039 if (!empty($t['width'])) $html.=' width="'.htmlspecialchars($t['width']).'"';
2050 if (!empty($t['height'])) $html.=' height="'.htmlspecialchars($t['height']).'"'; 2040 if (!empty($t['height'])) $html.=' height="'.htmlspecialchars($t['height']).'"';
@@ -2081,7 +2071,7 @@ function install()
2081 header('Location: '.indexUrl().'?test_session'); // Redirect to check stored data. 2071 header('Location: '.indexUrl().'?test_session'); // Redirect to check stored data.
2082 } 2072 }
2083 if (isset($_GET['test_session'])) 2073 if (isset($_GET['test_session']))
2084 { // Step 3: Sessions are ok. Remove test parameter from URL. 2074 { // Step 3: Sessions are OK. Remove test parameter from URL.
2085 header('Location: '.indexUrl()); 2075 header('Location: '.indexUrl());
2086 } 2076 }
2087 2077
@@ -2099,7 +2089,7 @@ function install()
2099 $GLOBALS['hash'] = sha1($_POST['setpassword'].$GLOBALS['login'].$GLOBALS['salt']); 2089 $GLOBALS['hash'] = sha1($_POST['setpassword'].$GLOBALS['login'].$GLOBALS['salt']);
2100 $GLOBALS['title'] = (empty($_POST['title']) ? 'Shared links on '.htmlspecialchars(indexUrl()) : $_POST['title'] ); 2090 $GLOBALS['title'] = (empty($_POST['title']) ? 'Shared links on '.htmlspecialchars(indexUrl()) : $_POST['title'] );
2101 writeConfig(); 2091 writeConfig();
2102 echo '<script language="JavaScript">alert("Shaarli is now configured. Please enter your login/password and start shaaring your links !");document.location=\'?do=login\';</script>'; 2092 echo '<script language="JavaScript">alert("Shaarli is now configured. Please enter your login/password and start shaaring your links!");document.location=\'?do=login\';</script>';
2103 exit; 2093 exit;
2104 } 2094 }
2105 2095
@@ -2114,14 +2104,14 @@ function install()
2114 exit; 2104 exit;
2115} 2105}
2116 2106
2117// Generates the timezone selection form and javascript. 2107// Generates the timezone selection form and JavaScript.
2118// Input: (optional) current timezone (can be 'UTC/UTC'). It will be pre-selected. 2108// Input: (optional) current timezone (can be 'UTC/UTC'). It will be pre-selected.
2119// Output: array(html,js) 2109// Output: array(html,js)
2120// Example: list($htmlform,$js) = templateTZform('Europe/Paris'); // Europe/Paris pre-selected. 2110// Example: list($htmlform,$js) = templateTZform('Europe/Paris'); // Europe/Paris pre-selected.
2121// Returns array('','') if server does not support timezones list. (eg. php 5.1 on free.fr) 2111// Returns array('','') if server does not support timezones list. (e.g. PHP 5.1 on free.fr)
2122function templateTZform($ptz=false) 2112function templateTZform($ptz=false)
2123{ 2113{
2124 if (function_exists('timezone_identifiers_list')) // because of old php version (5.1) which can be found on free.fr 2114 if (function_exists('timezone_identifiers_list')) // because of old PHP version (5.1) which can be found on free.fr
2125 { 2115 {
2126 // Try to split the provided timezone. 2116 // Try to split the provided timezone.
2127 if ($ptz==false) { $l=timezone_identifiers_list(); $ptz=$l[0]; } 2117 if ($ptz==false) { $l=timezone_identifiers_list(); $ptz=$l[0]; }
@@ -2130,7 +2120,7 @@ function templateTZform($ptz=false)
2130 // Display config form: 2120 // Display config form:
2131 $timezone_form = ''; 2121 $timezone_form = '';
2132 $timezone_js = ''; 2122 $timezone_js = '';
2133 // The list is in the forme "Europe/Paris", "America/Argentina/Buenos_Aires"... 2123 // The list is in the form "Europe/Paris", "America/Argentina/Buenos_Aires"...
2134 // We split the list in continents/cities. 2124 // We split the list in continents/cities.
2135 $continents = array(); 2125 $continents = array();
2136 $cities = array(); 2126 $cities = array();
@@ -2168,9 +2158,9 @@ function templateTZform($ptz=false)
2168function isTZvalid($continent,$city) 2158function isTZvalid($continent,$city)
2169{ 2159{
2170 $tz = $continent.'/'.$city; 2160 $tz = $continent.'/'.$city;
2171 if (function_exists('timezone_identifiers_list')) // because of old php version (5.1) which can be found on free.fr 2161 if (function_exists('timezone_identifiers_list')) // because of old PHP version (5.1) which can be found on free.fr
2172 { 2162 {
2173 if (in_array($tz, timezone_identifiers_list())) // it's a valid timezone ? 2163 if (in_array($tz, timezone_identifiers_list())) // it's a valid timezone?
2174 return true; 2164 return true;
2175 } 2165 }
2176 return false; 2166 return false;
@@ -2213,7 +2203,7 @@ if (!function_exists('json_encode')) {
2213} 2203}
2214 2204
2215// Webservices (for use with jQuery/jQueryUI) 2205// Webservices (for use with jQuery/jQueryUI)
2216// eg. index.php?ws=tags&term=minecr 2206// e.g. index.php?ws=tags&term=minecr
2217function processWS() 2207function processWS()
2218{ 2208{
2219 if (empty($_GET['ws']) || empty($_GET['term'])) return; 2209 if (empty($_GET['ws']) || empty($_GET['term'])) return;
@@ -2221,7 +2211,7 @@ function processWS()
2221 $LINKSDB=new linkdb(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in). 2211 $LINKSDB=new linkdb(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in).
2222 header('Content-Type: application/json; charset=utf-8'); 2212 header('Content-Type: application/json; charset=utf-8');
2223 2213
2224 // Search in tags (case insentitive, cumulative search) 2214 // Search in tags (case insensitive, cumulative search)
2225 if ($_GET['ws']=='tags') 2215 if ($_GET['ws']=='tags')
2226 { 2216 {
2227 $tags=explode(' ',str_replace(',',' ',$term)); $last = array_pop($tags); // Get the last term ("a b c d" ==> "a b c", "d") 2217 $tags=explode(' ',str_replace(',',' ',$term)); $last = array_pop($tags); // Get the last term ("a b c d" ==> "a b c", "d")
@@ -2237,7 +2227,7 @@ function processWS()
2237 exit; 2227 exit;
2238 } 2228 }
2239 2229
2240 // Search a single tag (case sentitive, single tag search) 2230 // Search a single tag (case sensitive, single tag search)
2241 if ($_GET['ws']=='singletag') 2231 if ($_GET['ws']=='singletag')
2242 { 2232 {
2243 /* To speed up things, we store list of tags in session */ 2233 /* To speed up things, we store list of tags in session */
@@ -2253,7 +2243,7 @@ function processWS()
2253 2243
2254// Re-write configuration file according to globals. 2244// Re-write configuration file according to globals.
2255// Requires some $GLOBALS to be set (login,hash,salt,title). 2245// Requires some $GLOBALS to be set (login,hash,salt,title).
2256// If the config file cannot be saved, an error message is dislayed and the user is redirected to "Tools" menu. 2246// If the config file cannot be saved, an error message is displayed and the user is redirected to "Tools" menu.
2257// (otherwise, the function simply returns.) 2247// (otherwise, the function simply returns.)
2258function writeConfig() 2248function writeConfig()
2259{ 2249{
@@ -2273,12 +2263,12 @@ function writeConfig()
2273 } 2263 }
2274} 2264}
2275 2265
2276/* Because some f*cking services like Flickr require an extra HTTP request to get the thumbnail URL, 2266/* Because some f*cking services like flickr require an extra HTTP request to get the thumbnail URL,
2277 I have deported the thumbnail URL code generation here, otherwise this would slow down page generation. 2267 I have deported the thumbnail URL code generation here, otherwise this would slow down page generation.
2278 The following function takes the URL a link (eg. a flickr page) and return the proper thumbnail. 2268 The following function takes the URL a link (e.g. a flickr page) and return the proper thumbnail.
2279 This function is called by passing the url: 2269 This function is called by passing the URL:
2280 http://mywebsite.com/shaarli/?do=genthumbnail&hmac=[HMAC]&url=[URL] 2270 http://mywebsite.com/shaarli/?do=genthumbnail&hmac=[HMAC]&url=[URL]
2281 [URL] is the URL of the link (eg. a flickr page) 2271 [URL] is the URL of the link (e.g. a flickr page)
2282 [HMAC] is the signature for the [URL] (so that these URL cannot be forged). 2272 [HMAC] is the signature for the [URL] (so that these URL cannot be forged).
2283 The function below will fetch the image from the webservice and store it in the cache. 2273 The function below will fetch the image from the webservice and store it in the cache.
2284*/ 2274*/
@@ -2286,7 +2276,7 @@ function genThumbnail()
2286{ 2276{
2287 // Make sure the parameters in the URL were generated by us. 2277 // Make sure the parameters in the URL were generated by us.
2288 $sign = hash_hmac('sha256', $_GET['url'], $GLOBALS['salt']); 2278 $sign = hash_hmac('sha256', $_GET['url'], $GLOBALS['salt']);
2289 if ($sign!=$_GET['hmac']) die('Naughty boy !'); 2279 if ($sign!=$_GET['hmac']) die('Naughty boy!');
2290 2280
2291 // Let's see if we don't already have the image for this URL in the cache. 2281 // Let's see if we don't already have the image for this URL in the cache.
2292 $thumbname=hash('sha1',$_GET['url']).'.jpg'; 2282 $thumbname=hash('sha1',$_GET['url']).'.jpg';
@@ -2311,22 +2301,22 @@ function genThumbnail()
2311 2301
2312 if ($domain=='flickr.com' || endsWith($domain,'.flickr.com')) 2302 if ($domain=='flickr.com' || endsWith($domain,'.flickr.com'))
2313 { 2303 {
2314 // Crude replacement to handle new Flickr domain policy (They prefer www. now) 2304 // Crude replacement to handle new flickr domain policy (They prefer www. now)
2315 $url = str_replace('http://flickr.com/','http://www.flickr.com/',$url); 2305 $url = str_replace('http://flickr.com/','http://www.flickr.com/',$url);
2316 2306
2317 // Is this a link to an image, or to a flickr page ? 2307 // Is this a link to an image, or to a flickr page ?
2318 $imageurl=''; 2308 $imageurl='';
2319 if (endswith(parse_url($url,PHP_URL_PATH),'.jpg')) 2309 if (endswith(parse_url($url,PHP_URL_PATH),'.jpg'))
2320 { // This is a direct link to an image. eg. http://farm1.staticflickr.com/5/5921913_ac83ed27bd_o.jpg 2310 { // This is a direct link to an image. e.g. http://farm1.staticflickr.com/5/5921913_ac83ed27bd_o.jpg
2321 preg_match('!(http://farm\d+\.staticflickr\.com/\d+/\d+_\w+_)\w.jpg!',$url,$matches); 2311 preg_match('!(http://farm\d+\.staticflickr\.com/\d+/\d+_\w+_)\w.jpg!',$url,$matches);
2322 if (!empty($matches[1])) $imageurl=$matches[1].'m.jpg'; 2312 if (!empty($matches[1])) $imageurl=$matches[1].'m.jpg';
2323 } 2313 }
2324 else // this is a flickr page (html) 2314 else // This is a flickr page (html)
2325 { 2315 {
2326 list($httpstatus,$headers,$data) = getHTTP($url,20); // Get the flickr html page. 2316 list($httpstatus,$headers,$data) = getHTTP($url,20); // Get the flickr html page.
2327 if (strpos($httpstatus,'200 OK')!==false) 2317 if (strpos($httpstatus,'200 OK')!==false)
2328 { 2318 {
2329 // Flickr now nicely provides the URL of the thumbnail in each flickr page. 2319 // flickr now nicely provides the URL of the thumbnail in each flickr page.
2330 preg_match('!<link rel=\"image_src\" href=\"(.+?)\"!',$data,$matches); 2320 preg_match('!<link rel=\"image_src\" href=\"(.+?)\"!',$data,$matches);
2331 if (!empty($matches[1])) $imageurl=$matches[1]; 2321 if (!empty($matches[1])) $imageurl=$matches[1];
2332 2322
@@ -2357,7 +2347,7 @@ function genThumbnail()
2357 elseif ($domain=='vimeo.com' ) 2347 elseif ($domain=='vimeo.com' )
2358 { 2348 {
2359 // This is more complex: we have to perform a HTTP request, then parse the result. 2349 // This is more complex: we have to perform a HTTP request, then parse the result.
2360 // Maybe we should deport this to javascript ? Example: http://stackoverflow.com/questions/1361149/get-img-thumbnails-from-vimeo/4285098#4285098 2350 // Maybe we should deport this to JavaScript ? Example: http://stackoverflow.com/questions/1361149/get-img-thumbnails-from-vimeo/4285098#4285098
2361 $vid = substr(parse_url($url,PHP_URL_PATH),1); 2351 $vid = substr(parse_url($url,PHP_URL_PATH),1);
2362 list($httpstatus,$headers,$data) = getHTTP('http://vimeo.com/api/v2/video/'.htmlspecialchars($vid).'.php',5); 2352 list($httpstatus,$headers,$data) = getHTTP('http://vimeo.com/api/v2/video/'.htmlspecialchars($vid).'.php',5);
2363 if (strpos($httpstatus,'200 OK')!==false) 2353 if (strpos($httpstatus,'200 OK')!==false)
@@ -2493,7 +2483,7 @@ function resizeImage($filepath)
2493} 2483}
2494 2484
2495// Invalidate caches when the database is changed or the user logs out. 2485// Invalidate caches when the database is changed or the user logs out.
2496// (eg. tags cache). 2486// (e.g. tags cache).
2497function invalidateCaches() 2487function invalidateCaches()
2498{ 2488{
2499 unset($_SESSION['tags']); // Purge cache attached to session. 2489 unset($_SESSION['tags']); // Purge cache attached to session.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 08:09:40 +0000