X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=index.php;fp=index.php;h=d0dd5306eb41d28d713079db721986d0a2b3436d;hb=38a0c256d200df872990f6ed450aceaf215eeafd;hp=b44ec4630e59924129bd33e0c1d4c8621bfe9d7c;hpb=0fe36414c86e8417974d847f8d6d28c90def9ccc;p=github%2Fshaarli%2FShaarli.git diff --git a/index.php b/index.php index b44ec463..d0dd5306 100644 --- a/index.php +++ b/index.php @@ -68,6 +68,10 @@ checkphpversion(); 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 = $GLOBALS['config']['RAINTPL_TMP']; // cache directory @@ -268,21 +272,6 @@ function nl2br_escaped($html) 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) @@ -536,20 +525,6 @@ function getMaxFileSize() 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. */ @@ -710,226 +685,6 @@ class pageBuilder } } -// ------------------------------------------------------------------------------------------ -/* 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($this->links))).PHPSUFFIX); // Write database to disk - } - } - - // Read database from disk to memory - private function readdb() - { - // Public links are hidden and user not logged in => nothing to show - if ($GLOBALS['config']['HIDE_PUBLIC_LINKS'] && !isLoggedIn()) { - $this->links = array(); - return; - } - - // 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() @@ -947,7 +702,7 @@ 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(); @@ -1022,7 +777,7 @@ function showATOM() $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: @@ -1104,7 +859,7 @@ function showDailyRSS() $cache = new pageCache(pageUrl(),startsWith($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). @@ -1172,7 +927,7 @@ function showDailyRSS() // "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. @@ -1190,7 +945,6 @@ function showDaily() } $linksToDisplay=$LINKSDB->filterDay($day); - // We pre-format some fields for proper output. foreach($linksToDisplay as $key=>$link) { @@ -1239,7 +993,7 @@ function showDaily() // 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')) @@ -1817,7 +1571,7 @@ HTML; 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']);