* @static
* @access public
*/
- /* static */ function newFromText( $text, $defaultNamespace = 0 ) {
+ /* static */ function &newFromText( $text, $defaultNamespace = 0 ) {
$fname = 'Title::newFromText';
wfProfileIn( $fname );
-
- if( is_object( $text ) ) {
- wfDebugDieBacktrace( 'Called with object instead of string.' );
+
+ /**
+ * Wiki pages often contain multiple links to the same page.
+ * Title normalization and parsing can become expensive on
+ * pages with many links, so we can save a little time by
+ * caching them.
+ *
+ * In theory these are value objects and won't get changed...
+ */
+ static $titleCache = array();
+ if( $defaultNamespace == 0 && isset( $titleCache[$text] ) ) {
+ wfProfileOut( $fname );
+ return $titleCache[$text];
}
+
+ /**
+ * Convert things like é into real text...
+ */
global $wgInputEncoding;
- $text = do_html_entity_decode( $text, ENT_COMPAT, $wgInputEncoding );
+ $filteredText = do_html_entity_decode( $text, ENT_COMPAT, $wgInputEncoding );
- $text = wfMungeToUtf8( $text );
-
+ /**
+ * Convert things like ā or 〗 into real text...
+ * WARNING: Not friendly to internal links on a latin-1 wiki.
+ */
+ $filteredText = wfMungeToUtf8( $filteredText );
# What was this for? TS 2004-03-03
# $text = urldecode( $text );
- $t = new Title();
- $t->mDbkeyform = str_replace( ' ', '_', $text );
+ $t =& new Title();
+ $t->mDbkeyform = str_replace( ' ', '_', $filteredText );
$t->mDefaultNamespace = $defaultNamespace;
- wfProfileOut( $fname );
- if ( !is_object( $t ) ) {
- var_dump( debug_backtrace() );
- }
if( $t->secureAndSplit() ) {
+ if( $defaultNamespace == 0 ) {
+ $titleCache[$text] =& $t;
+ }
+ wfProfileOut( $fname );
return $t;
} else {
+ $titleCache[$text] = null;
+ wfProfileOut( $fname );
return NULL;
}
}
* Create a new Title from a namespace index and a DB key.
* It's assumed that $ns and $title are *valid*, for instance when
* they came directly from the database or a special page name.
+ * For convenience, spaces are converted to underscores so that
+ * eg user_text fields can be used directly.
+ *
* @param int $ns the namespace of the article
* @param string $title the unprefixed database key form
* @return Title the new object
$t->mInterwiki = '';
$t->mFragment = '';
$t->mNamespace = IntVal( $ns );
- $t->mDbkeyform = $title;
+ $t->mDbkeyform = str_replace( ' ', '_', $title );
$t->mArticleID = ( $ns >= 0 ) ? -1 : 0;
- $t->mUrlform = wfUrlencode( $title );
+ $t->mUrlform = wfUrlencode( $t->mDbkeyform );
$t->mTextform = str_replace( '_', ' ', $title );
return $t;
}
$t = preg_replace( "/\\s+/", ' ', $t );
- if ( $ns == Namespace::getImage() ) {
+ if ( $ns == NS_IMAGE ) {
$t = preg_replace( "/ (png|gif|jpg|jpeg|ogg)$/", "", $t );
}
return trim( $t );
function getInterwikiLink( $key ) {
global $wgMemc, $wgDBname, $wgInterwikiExpiry, $wgTitleInterwikiCache;
$fname = 'Title::getInterwikiLink';
+
+ wfProfileIn( $fname );
+
$k = $wgDBname.':interwiki:'.$key;
-
- if( array_key_exists( $k, $wgTitleInterwikiCache ) )
+ if( array_key_exists( $k, $wgTitleInterwikiCache ) ) {
+ wfProfileOut( $fname );
return $wgTitleInterwikiCache[$k]->iw_url;
+ }
$s = $wgMemc->get( $k );
# Ignore old keys with no iw_local
if( $s && isset( $s->iw_local ) ) {
$wgTitleInterwikiCache[$k] = $s;
+ wfProfileOut( $fname );
return $s->iw_url;
}
+
$dbr =& wfGetDB( DB_SLAVE );
- $res = $dbr->select( 'interwiki', array( 'iw_url', 'iw_local' ), array( 'iw_prefix' => $key ), $fname );
- if(!$res) return '';
+ $res = $dbr->select( 'interwiki',
+ array( 'iw_url', 'iw_local' ),
+ array( 'iw_prefix' => $key ), $fname );
+ if( !$res ) {
+ wfProfileOut( $fname );
+ return '';
+ }
$s = $dbr->fetchObject( $res );
- if(!$s) {
+ if( !$s ) {
# Cache non-existence: create a blank object and save it to memcached
$s = (object)false;
$s->iw_url = '';
}
$wgMemc->set( $k, $s, $wgInterwikiExpiry );
$wgTitleInterwikiCache[$k] = $s;
+
+ wfProfileOut( $fname );
return $s->iw_url;
}
$s = wfUrlencode ( $s ) ;
# Cleaning up URL to make it look nice -- is this safe?
- $s = preg_replace( '/%3[Aa]/', ':', $s );
- $s = preg_replace( '/%2[Ff]/', '/', $s );
$s = str_replace( '%28', '(', $s );
$s = str_replace( '%29', ')', $s );
/**
* Does the title correspond to a protected article?
+ * @param string $what the action the page is protected from,
+ * by default checks move and edit
* @return boolean
* @access public
*/
- function isProtected() {
+ function isProtected($action = '') {
if ( -1 == $this->mNamespace ) { return true; }
- $a = $this->getRestrictions();
- if ( in_array( 'sysop', $a ) ) { return true; }
- return false;
- }
-
- /**
- * Is the page a log page, i.e. one where the history is messed up by
- * LogPage.php? This used to be used for suppressing diff links in
- * recent changes, but now that's done by setting a flag in the
- * recentchanges table. Hence, this probably is no longer used.
- *
- * @deprecated
- * @access public
- */
- function isLog() {
- if ( $this->mNamespace != Namespace::getWikipedia() ) {
- return false;
- }
- if ( ( 0 == strcmp( wfMsg( 'uploadlogpage' ), $this->mDbkeyform ) ) ||
- ( 0 == strcmp( wfMsg( 'dellogpage' ), $this->mDbkeyform ) ) ) {
- return true;
- }
+ if($action == 'edit' || $action == '') {
+ $a = $this->getRestrictions("edit");
+ if ( in_array( 'sysop', $a ) ) { return true; }
+ }
+ if($action == 'move' || $action == '') {
+ $a = $this->getRestrictions("move");
+ if ( in_array( 'sysop', $a ) ) { return true; }
+ }
return false;
}
return $wgUser->isWatched( $this );
}
- /**
- * Can $wgUser edit this page?
+ /**
+ * Is $wgUser perform $action this page?
+ * @param string $action action that permission needs to be checked for
* @return boolean
- * @access public
- */
- function userCanEdit() {
+ * @access private
+ */
+ function userCan($action) {
+ $fname = 'Title::userCanEdit';
+ wfProfileIn( $fname );
+
global $wgUser;
if( NS_SPECIAL == $this->mNamespace ) {
+ wfProfileOut( $fname );
return false;
}
if( NS_MEDIAWIKI == $this->mNamespace &&
!$wgUser->isAllowed('editinterface') ) {
+ wfProfileOut( $fname );
return false;
}
if( $this->mDbkeyform == '_' ) {
# FIXME: Is this necessary? Shouldn't be allowed anyway...
+ wfProfileOut( $fname );
return false;
}
if ( NS_MEDIAWIKI == $this->mNamespace
&& preg_match("/\\.(css|js)$/", $this->mTextform )
&& !$wgUser->isAllowed('editinterface') ) {
+ wfProfileOut( $fname );
return false;
}
&& preg_match("/\\.(css|js)$/", $this->mTextform )
&& !$wgUser->isAllowed('editinterface')
&& !preg_match('/^'.preg_quote($wgUser->getName(), '/').'\//', $this->mTextform) ) {
+ wfProfileOut( $fname );
return false;
}
- foreach( $this->getRestrictions() as $right ) {
+ foreach( $this->getRestrictions($action) as $right ) {
if( '' != $right && !$wgUser->isAllowed( $right ) ) {
+ wfProfileOut( $fname );
return false;
}
}
+ wfProfileOut( $fname );
return true;
}
+ /**
+ * Can $wgUser edit this page?
+ * @return boolean
+ * @access public
+ */
+ function userCanEdit() {
+ return $this->userCan('edit');
+ }
+
+ /**
+ * Can $wgUser move this page?
+ * @return boolean
+ * @access public
+ */
+ function userCanMove() {
+ return $this->userCan('move');
+ }
+
/**
* Can $wgUser read this page?
* @return boolean
* @access public
*/
function isCssJsSubpage() {
- return ( Namespace::getUser() == $this->mNamespace and preg_match("/\\.(css|js)$/", $this->mTextform ) );
+ return ( NS_USER == $this->mNamespace and preg_match("/\\.(css|js)$/", $this->mTextform ) );
}
/**
* Is this a .css subpage of a user page?
* @access public
*/
function isCssSubpage() {
- return ( Namespace::getUser() == $this->mNamespace and preg_match("/\\.css$/", $this->mTextform ) );
+ return ( NS_USER == $this->mNamespace and preg_match("/\\.css$/", $this->mTextform ) );
}
/**
* Is this a .js subpage of a user page?
* @access public
*/
function isJsSubpage() {
- return ( Namespace::getUser() == $this->mNamespace and preg_match("/\\.js$/", $this->mTextform ) );
+ return ( NS_USER == $this->mNamespace and preg_match("/\\.js$/", $this->mTextform ) );
}
/**
* Protect css/js subpages of user pages: can $wgUser edit
return ( $wgUser->isAllowed('editinterface') or preg_match('/^'.preg_quote($wgUser->getName(), '/').'\//', $this->mTextform) );
}
+ /**
+ * Loads a string into mRestrictions array
+ * @param string $res restrictions in string format
+ * @access public
+ */
+ function loadRestrictions( $res ) {
+ foreach( explode( ':', trim( $res ) ) as $restrict ) {
+ $temp = explode( '=', trim( $restrict ) );
+ if(count($temp) == 1) {
+ // old format should be treated as edit/move restriction
+ $this->mRestrictions["edit"] = explode( ',', trim( $temp[0] ) );
+ $this->mRestrictions["move"] = explode( ',', trim( $temp[0] ) );
+ } else {
+ $this->mRestrictions[$temp[0]] = explode( ',', trim( $temp[1] ) );
+ }
+ }
+ $this->mRestrictionsLoaded = true;
+ }
+
/**
* Accessor/initialisation for mRestrictions
+ * @param string $action action that permission needs to be checked for
* @return array the array of groups allowed to edit this article
* @access public
*/
- function getRestrictions() {
+ function getRestrictions($action) {
$id = $this->getArticleID();
if ( 0 == $id ) { return array(); }
if ( ! $this->mRestrictionsLoaded ) {
$dbr =& wfGetDB( DB_SLAVE );
$res = $dbr->selectField( 'cur', 'cur_restrictions', 'cur_id='.$id );
- $this->mRestrictions = explode( ',', trim( $res ) );
- $this->mRestrictionsLoaded = true;
+ $this->loadRestrictions( $res );
+ }
+ if( isset( $this->mRestrictions[$action] ) ) {
+ return $this->mRestrictions[$action];
}
- return $this->mRestrictions;
+ return array();
}
/**
* @return bool true on success
* @access private
*/
- /* private */ function secureAndSplit()
- {
+ /* private */ function secureAndSplit() {
global $wgContLang, $wgLocalInterwiki, $wgCapitalLinks;
$fname = 'Title::secureAndSplit';
wfProfileIn( $fname );
# Initialisation
if ( $imgpre === false ) {
- $imgpre = ':' . $wgContLang->getNsText( Namespace::getImage() ) . ':';
+ $imgpre = ':' . $wgContLang->getNsText( NS_IMAGE ) . ':';
# % is needed as well
- $rxTc = '/[^' . Title::legalChars() . ']|%[0-9A-Fa-f]{2}/';
+ $rxTc = '/[^' . Title::legalChars() . ']|%[0-9A-Fa-f]{2}/S';
}
$this->mInterwiki = $this->mFragment = '';
$this->mNamespace = NS_MAIN;
} else {
# Namespace or interwiki prefix
- if ( preg_match( "/^(.+?)_*:_*(.*)$/", $t, $m ) ) {
+ if ( preg_match( "/^(.+?)_*:_*(.*)$/S", $t, $m ) ) {
#$p = strtolower( $m[1] );
$p = $m[1];
$lowerNs = strtolower( $p );
return false;
}
- # "." and ".." conflict with the directories of those namesa
+ /**
+ * Pages with "/./" or "/../" appearing in the URLs will
+ * often be unreachable due to the way web browsers deal
+ * with 'relative' URLs. Forbid them explicitly.
+ */
if ( strpos( $r, '.' ) !== false &&
( $r === '.' || $r === '..' ||
strpos( $r, './' ) === 0 ||
return false;
}
- # Initial capital letter
+ /**
+ * Normally, all wiki links are forced to have
+ * an initial capital letter so [[foo]] and [[Foo]]
+ * point to the same place.
+ *
+ * Don't force it for interwikis, since the other
+ * site might be case-sensitive.
+ */
if( $wgCapitalLinks && $this->mInterwiki == '') {
$t = $wgContLang->ucfirst( $r );
} else {