error_reporting(E_ALL^E_WARNING); // See all error except warnings.
//error_reporting(-1); // See all errors (for debugging only)
+// Shaarli library
+require_once 'application/LinkDB.php';
+require_once 'application/Utils.php';
+
include "inc/rain.tpl.class.php"; //include Rain TPL
raintpl::$tpl_dir = $GLOBALS['config']['RAINTPL_TPL']; // template directory
raintpl::$cache_dir = $GLOBALS['config']['RAINTPL_TMP']; // cache directory
return str_replace('>','>',str_replace('<','<',nl2br($html)));
}
-/* Returns the small hash of a string, using RFC 4648 base64url format
- e.g. smallHash('20111006_131924') --> yZH23w
- Small hashes:
- - are unique (well, as unique as crc32, at last)
- - are always 6 characters long.
- - only use the following characters: a-z A-Z 0-9 - _ @
- - are NOT cryptographically secure (they CAN be forged)
- In Shaarli, they are used as a tinyurl-like link to individual entries.
-*/
-function smallHash($text)
-{
- $t = rtrim(base64_encode(hash('crc32',$text,true)),'=');
- return strtr($t, '+/', '-_');
-}
-
// In a string, converts URLs to clickable links.
// Function inspired from http://www.php.net/manual/en/function.preg-replace.php#85722
function text2clickable($url)
return $maxsize;
}
-// Tells if a string start with a substring or not.
-function startsWith($haystack,$needle,$case=true)
-{
- if($case){return (strcmp(substr($haystack, 0, strlen($needle)),$needle)===0);}
- return (strcasecmp(substr($haystack, 0, strlen($needle)),$needle)===0);
-}
-
-// Tells if a string ends with a substring or not.
-function endsWith($haystack,$needle,$case=true)
-{
- if($case){return (strcmp(substr($haystack, strlen($haystack) - strlen($needle)),$needle)===0);}
- return (strcasecmp(substr($haystack, strlen($haystack) - strlen($needle)),$needle)===0);
-}
-
/* Converts a linkdate time (YYYYMMDD_HHMMSS) of an article to a timestamp (Unix epoch)
(used to build the ADD_DATE attribute in Netscape-bookmarks file)
PS: I could have used strptime(), but it does not exist on Windows. I'm too kind. */
}
}
-// ------------------------------------------------------------------------------------------
-/* Data storage for links.
- This object behaves like an associative array.
- Example:
- $mylinks = new linkdb();
- echo $mylinks['20110826_161819']['title'];
- foreach($mylinks as $link)
- echo $link['title'].' at url '.$link['url'].' ; description:'.$link['description'];
-
- Available keys:
- title : Title of the link
- url : URL of the link. Can be absolute or relative. Relative URLs are permalinks (e.g.'?m-ukcw')
- description : description of the entry
- private : Is this link private? 0=no, other value=yes
- linkdate : date of the creation of this entry, in the form YYYYMMDD_HHMMSS (e.g.'20110914_192317')
- tags : tags attached to this entry (separated by spaces)
-
- We implement 3 interfaces:
- - ArrayAccess so that this object behaves like an associative array.
- - Iterator so that this object can be used in foreach() loops.
- - Countable interface so that we can do a count() on this object.
-*/
-class linkdb implements Iterator, Countable, ArrayAccess
-{
- private $links; // List of links (associative array. Key=linkdate (e.g. "20110823_124546"), value= associative array (keys:title,description...)
- private $urls; // List of all recorded URLs (key=url, value=linkdate) for fast reserve search (url-->linkdate)
- private $keys; // List of linkdate keys (for the Iterator interface implementation)
- private $position; // Position in the $this->keys array. (for the Iterator interface implementation.)
- private $loggedin; // Is the user logged in? (used to filter private links)
-
- // Constructor:
- function __construct($isLoggedIn)
- // Input : $isLoggedIn : is the user logged in?
- {
- $this->loggedin = $isLoggedIn;
- $this->checkdb(); // Make sure data file exists.
- $this->readdb(); // Then read it.
- }
-
- // ---- Countable interface implementation
- public function count() { return count($this->links); }
-
- // ---- ArrayAccess interface implementation
- public function offsetSet($offset, $value)
- {
- if (!$this->loggedin) die('You are not authorized to add a link.');
- if (empty($value['linkdate']) || empty($value['url'])) die('Internal Error: A link should always have a linkdate and URL.');
- if (empty($offset)) die('You must specify a key.');
- $this->links[$offset] = $value;
- $this->urls[$value['url']]=$offset;
- }
- public function offsetExists($offset) { return array_key_exists($offset,$this->links); }
- public function offsetUnset($offset)
- {
- if (!$this->loggedin) die('You are not authorized to delete a link.');
- $url = $this->links[$offset]['url']; unset($this->urls[$url]);
- unset($this->links[$offset]);
- }
- public function offsetGet($offset) { return isset($this->links[$offset]) ? $this->links[$offset] : null; }
-
- // ---- Iterator interface implementation
- function rewind() { $this->keys=array_keys($this->links); rsort($this->keys); $this->position=0; } // Start over for iteration, ordered by date (latest first).
- function key() { return $this->keys[$this->position]; } // current key
- function current() { return $this->links[$this->keys[$this->position]]; } // current value
- function next() { ++$this->position; } // go to next item
- function valid() { return isset($this->keys[$this->position]); } // Check if current position is valid.
-
- // ---- Misc methods
- private function checkdb() // Check if db directory and file exists.
- {
- if (!file_exists($GLOBALS['config']['DATASTORE'])) // Create a dummy database for example.
- {
- $this->links = array();
- $link = array('title'=>'Shaarli - sebsauvage.net','url'=>'http://sebsauvage.net/wiki/doku.php?id=php:shaarli','description'=>'Welcome to Shaarli ! This is a bookmark. To edit or delete me, you must first login.','private'=>0,'linkdate'=>'20110914_190000','tags'=>'opensource software');
- $this->links[$link['linkdate']] = $link;
- $link = array('title'=>'My secret stuff... - Pastebin.com','url'=>'http://sebsauvage.net/paste/?8434b27936c09649#bR7XsXhoTiLcqCpQbmOpBi3rq2zzQUC5hBI7ZT1O3x8=','description'=>'SShhhh!! I\'m a private link only YOU can see. You can delete me too.','private'=>1,'linkdate'=>'20110914_074522','tags'=>'secretstuff');
- $this->links[$link['linkdate']] = $link;
- file_put_contents($GLOBALS['config']['DATASTORE'], PHPPREFIX.base64_encode(gzdeflate(serialize($this->links))).PHPSUFFIX); // Write database to disk
- }
- }
-
- // Read database from disk to memory
- private function readdb()
- {
- // Read data
- $this->links=(file_exists($GLOBALS['config']['DATASTORE']) ? unserialize(gzinflate(base64_decode(substr(file_get_contents($GLOBALS['config']['DATASTORE']),strlen(PHPPREFIX),-strlen(PHPSUFFIX))))) : array() );
- // Note that gzinflate is faster than gzuncompress. See: http://www.php.net/manual/en/function.gzdeflate.php#96439
-
- // If user is not logged in, filter private links.
- if (!$this->loggedin)
- {
- $toremove=array();
- foreach($this->links as $link) { if ($link['private']!=0) $toremove[]=$link['linkdate']; }
- foreach($toremove as $linkdate) { unset($this->links[$linkdate]); }
- }
-
- // Keep the list of the mapping URLs-->linkdate up-to-date.
- $this->urls=array();
- foreach($this->links as $link) { $this->urls[$link['url']]=$link['linkdate']; }
- }
-
- // Save database from memory to disk.
- public function savedb()
- {
- if (!$this->loggedin) die('You are not authorized to change the database.');
- file_put_contents($GLOBALS['config']['DATASTORE'], PHPPREFIX.base64_encode(gzdeflate(serialize($this->links))).PHPSUFFIX);
- invalidateCaches();
- }
-
- // Returns the link for a given URL (if it exists). False if it does not exist.
- public function getLinkFromUrl($url)
- {
- if (isset($this->urls[$url])) return $this->links[$this->urls[$url]];
- return false;
- }
-
- // Case insensitive search among links (in the URLs, title and description). Returns filtered list of links.
- // e.g. print_r($mydb->filterFulltext('hollandais'));
- public function filterFulltext($searchterms)
- {
- // FIXME: explode(' ',$searchterms) and perform a AND search.
- // FIXME: accept double-quotes to search for a string "as is"?
- // Using mb_convert_case($val, MB_CASE_LOWER, 'UTF-8') allows us to perform searches on
- // Unicode text. See https://github.com/shaarli/Shaarli/issues/75 for examples.
- $filtered=array();
- $s = mb_convert_case($searchterms, MB_CASE_LOWER, 'UTF-8');
- foreach($this->links as $l)
- {
- $found= (strpos(mb_convert_case($l['title'], MB_CASE_LOWER, 'UTF-8'),$s) !== false)
- || (strpos(mb_convert_case($l['description'], MB_CASE_LOWER, 'UTF-8'),$s) !== false)
- || (strpos(mb_convert_case($l['url'], MB_CASE_LOWER, 'UTF-8'),$s) !== false)
- || (strpos(mb_convert_case($l['tags'], MB_CASE_LOWER, 'UTF-8'),$s) !== false);
- if ($found) $filtered[$l['linkdate']] = $l;
- }
- krsort($filtered);
- return $filtered;
- }
-
- // Filter by tag.
- // You can specify one or more tags (tags can be separated by space or comma).
- // e.g. print_r($mydb->filterTags('linux programming'));
- public function filterTags($tags,$casesensitive=false)
- {
- // Same as above, we use UTF-8 conversion to handle various graphemes (i.e. cyrillic, or greek)
- // TODO: is $casesensitive ever true ?
- $t = str_replace(',',' ',($casesensitive?$tags:mb_convert_case($tags, MB_CASE_LOWER, 'UTF-8')));
- $searchtags=explode(' ',$t);
- $filtered=array();
- foreach($this->links as $l)
- {
- $linktags = explode(' ',($casesensitive?$l['tags']:mb_convert_case($l['tags'], MB_CASE_LOWER, 'UTF-8')));
- if (count(array_intersect($linktags,$searchtags)) == count($searchtags))
- $filtered[$l['linkdate']] = $l;
- }
- krsort($filtered);
- return $filtered;
- }
-
- // Filter by day. Day must be in the form 'YYYYMMDD' (e.g. '20120125')
- // Sort order is: older articles first.
- // e.g. print_r($mydb->filterDay('20120125'));
- public function filterDay($day)
- {
- $filtered=array();
- foreach($this->links as $l)
- {
- if (startsWith($l['linkdate'],$day)) $filtered[$l['linkdate']] = $l;
- }
- ksort($filtered);
- return $filtered;
- }
- // Filter by smallHash.
- // Only 1 article is returned.
- public function filterSmallHash($smallHash)
- {
- $filtered=array();
- foreach($this->links as $l)
- {
- if ($smallHash==smallHash($l['linkdate'])) // Yes, this is ugly and slow
- {
- $filtered[$l['linkdate']] = $l;
- return $filtered;
- }
- }
- return $filtered;
- }
-
- // Returns the list of all tags
- // Output: associative array key=tags, value=0
- public function allTags()
- {
- $tags=array();
- foreach($this->links as $link)
- foreach(explode(' ',$link['tags']) as $tag)
- if (!empty($tag)) $tags[$tag]=(empty($tags[$tag]) ? 1 : $tags[$tag]+1);
- arsort($tags); // Sort tags by usage (most used tag first)
- return $tags;
- }
-
- // Returns the list of days containing articles (oldest first)
- // Output: An array containing days (in format YYYYMMDD).
- public function days()
- {
- $linkdays=array();
- foreach(array_keys($this->links) as $day)
- {
- $linkdays[substr($day,0,8)]=0;
- }
- $linkdays=array_keys($linkdays);
- sort($linkdays);
- return $linkdays;
- }
-}
-
// ------------------------------------------------------------------------------------------
// Output the last N links in RSS 2.0 format.
function showRSS()
$cached = $cache->cachedVersion(); if (!empty($cached)) { echo $cached; exit; }
// If cached was not found (or not usable), then read the database and build the response:
- $LINKSDB=new linkdb(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if user it not logged in).
+ $LINKSDB = new LinkDB(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if user it not logged in).
// Optionally filter the results:
$linksToDisplay=array();
if (!empty($_GET['searchterm'])) $linksToDisplay = $LINKSDB->filterFulltext($_GET['searchterm']);
else if (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags']));
else $linksToDisplay = $LINKSDB;
-
- if ($GLOBALS['config']['HIDE_PUBLIC_LINKS'] && !isLoggedIn())
- $linksToDisplay = array();
$nblinksToDisplay = 50; // Number of links to display.
if (!empty($_GET['nb'])) // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
$cached = $cache->cachedVersion(); if (!empty($cached)) { echo $cached; exit; }
// If cached was not found (or not usable), then read the database and build the response:
- $LINKSDB=new linkdb(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in).
+ $LINKSDB = new LinkDB(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in).
// Optionally filter the results:
if (!empty($_GET['searchterm'])) $linksToDisplay = $LINKSDB->filterFulltext($_GET['searchterm']);
else if (!empty($_GET['searchtags'])) $linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags']));
else $linksToDisplay = $LINKSDB;
-
- if ($GLOBALS['config']['HIDE_PUBLIC_LINKS'] && !isLoggedIn())
- $linksToDisplay = array();
$nblinksToDisplay = 50; // Number of links to display.
if (!empty($_GET['nb'])) // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
$cache = new pageCache(pageUrl(),startsWith($query,'do=dailyrss') && !isLoggedIn());
$cached = $cache->cachedVersion(); if (!empty($cached)) { echo $cached; exit; }
// If cached was not found (or not usable), then read the database and build the response:
- $LINKSDB=new linkdb(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in).
+ $LINKSDB = new LinkDB(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in).
/* Some Shaarlies may have very few links, so we need to look
back in time (rsort()) until we have enough days ($nb_of_days).
// "Daily" page.
function showDaily()
{
- $LINKSDB=new linkdb(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in).
+ $LINKSDB = new LinkDB(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in).
$day=Date('Ymd',strtotime('-1 day')); // Yesterday, in format YYYYMMDD.
}
$linksToDisplay=$LINKSDB->filterDay($day);
- if ($GLOBALS['config']['HIDE_PUBLIC_LINKS'] && !isLoggedIn())
- $linksToDisplay = array();
// We pre-format some fields for proper output.
foreach($linksToDisplay as $key=>$link)
{
$PAGE->assign('linksToDisplay',$linksToDisplay);
$PAGE->assign('linkcount',count($LINKSDB));
$PAGE->assign('cols', $columns);
- $PAGE->assign('day',utf8_encode(strftime('%A %d, %B %Y',linkdate2timestamp($day.'_000000'))));
+ $PAGE->assign('day',linkdate2timestamp($day.'_000000'));
$PAGE->assign('previousday',$previousday);
$PAGE->assign('nextday',$nextday);
$PAGE->renderPage('daily');
// Render HTML page (according to URL parameters and user rights)
function renderPage()
{
- $LINKSDB=new linkdb(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in).
+ $LINKSDB = new LinkDB(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in).
// -------- Display login form.
if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=login'))
if (!empty($_GET['searchterm'])) $links = $LINKSDB->filterFulltext($_GET['searchterm']);
elseif (!empty($_GET['searchtags'])) $links = $LINKSDB->filterTags(trim($_GET['searchtags']));
else $links = $LINKSDB;
-
- if ($GLOBALS['config']['HIDE_PUBLIC_LINKS'] && !isLoggedIn())
- $links = array();
$body='';
$linksToDisplay=array();
if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=tagcloud'))
{
$tags= $LINKSDB->allTags();
- if ($GLOBALS['config']['HIDE_PUBLIC_LINKS'] && !isLoggedIn())
- $tags = array();
+
// We sort tags alphabetically, then choose a font size according to count.
// First, find max value.
$maxcount=0; foreach($tags as $key=>$value) $maxcount=max($maxcount,$value);
function importFile()
{
if (!(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI'])) { die('Not allowed.'); }
- $LINKSDB=new linkdb(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in).
+ $LINKSDB = new LinkDB(isLoggedIn() || $GLOBALS['config']['OPEN_SHAARLI']); // Read links from database (and filter private links if used it not logged in).
$filename=$_FILES['filetoupload']['name'];
$filesize=$_FILES['filetoupload']['size'];
$data=file_get_contents($_FILES['filetoupload']['tmp_name']);
if (isset($_GET['searchterm'])) // Fulltext search
{
$linksToDisplay = $LINKSDB->filterFulltext(trim($_GET['searchterm']));
- if ($GLOBALS['config']['HIDE_PUBLIC_LINKS'] && !isLoggedIn())
- $linksToDisplay = array();
$search_crits=htmlspecialchars(trim($_GET['searchterm']));
$search_type='fulltext';
}
elseif (isset($_GET['searchtags'])) // Search by tag
{
$linksToDisplay = $LINKSDB->filterTags(trim($_GET['searchtags']));
- if ($GLOBALS['config']['HIDE_PUBLIC_LINKS'] && !isLoggedIn())
- $linksToDisplay = array();
$search_crits=explode(' ',trim($_GET['searchtags']));
$search_type='tags';
}
}
$search_type='permalink';
}
- // We chose to disable all private links and the user isn't logged in, do not return any link.
- else if ($GLOBALS['config']['HIDE_PUBLIC_LINKS'] && !isLoggedIn())
- $linksToDisplay = array();
else
$linksToDisplay = $LINKSDB; // Otherwise, display without filtering.
$PAGE->assign('redirector',empty($GLOBALS['redirector']) ? '' : $GLOBALS['redirector']); // Optional redirector URL.
$PAGE->assign('token',$token);
$PAGE->assign('links',$linkDisp);
+ $PAGE->assign('tags', $LINKSDB->allTags());
return;
}
projects / github / shaarli / Shaarli.git / commitdiff
