diff options
Diffstat (limited to 'includes/Title.php')
| -rw-r--r-- | includes/Title.php | 889 |
1 files changed, 564 insertions, 325 deletions
diff --git a/includes/Title.php b/includes/Title.php index 1b5e21d2..ca66aaec 100644 --- a/includes/Title.php +++ b/includes/Title.php @@ -65,6 +65,7 @@ class Title { var $mFragment; // /< Title fragment (i.e. the bit after the #) var $mArticleID = -1; // /< Article ID, fetched from the link cache on demand var $mLatestID = false; // /< ID of most recent revision + var $mContentModel = false; // /< ID of the page's content model, i.e. one of the CONTENT_MODEL_XXX constants private $mEstimateRevisions; // /< Estimated number of revisions; null of not loaded var $mRestrictions = array(); // /< Array of groups allowed to edit this article var $mOldRestrictions = false; @@ -87,7 +88,6 @@ class Title { var $mHasSubpage; // /< Whether a page has any subpages // @} - /** * Constructor */ @@ -96,7 +96,7 @@ class Title { /** * Create a new Title from a prefixed DB key * - * @param $key String the database key, which has underscores + * @param string $key the database key, which has underscores * instead of spaces, possibly including namespace and * interwiki prefixes * @return Title, or NULL on an error @@ -115,10 +115,10 @@ class Title { * Create a new Title from text, such as what one would find in a link. De- * codes any HTML entities in the text. * - * @param $text String the link text; spaces, prefixes, and an + * @param string $text the link text; spaces, prefixes, and an * initial ':' indicating the main namespace are accepted. - * @param $defaultNamespace Int the namespace to use if none is speci- - * fied by a prefix. If you want to force a specific namespace even if + * @param int $defaultNamespace the namespace to use if none is specified + * by a prefix. If you want to force a specific namespace even if * $text might begin with a namespace prefix, use makeTitle() or * makeTitleSafe(). * @throws MWException @@ -148,7 +148,7 @@ class Title { $t->mDbkeyform = str_replace( ' ', '_', $filteredText ); $t->mDefaultNamespace = $defaultNamespace; - static $cachedcount = 0 ; + static $cachedcount = 0; if ( $t->secureAndSplit() ) { if ( $defaultNamespace == NS_MAIN ) { if ( $cachedcount >= self::CACHE_MAX ) { @@ -178,7 +178,7 @@ class Title { * Create a new Title from URL-encoded text. Ensures that * the given title's length does not exceed the maximum. * - * @param $url String the title, as might be taken from a URL + * @param string $url the title, as might be taken from a URL * @return Title the new object, or NULL on an error */ public static function newFromURL( $url ) { @@ -200,20 +200,38 @@ class Title { } /** + * Returns a list of fields that are to be selected for initializing Title objects or LinkCache entries. + * Uses $wgContentHandlerUseDB to determine whether to include page_content_model. + * + * @return array + */ + protected static function getSelectFields() { + global $wgContentHandlerUseDB; + + $fields = array( + 'page_namespace', 'page_title', 'page_id', + 'page_len', 'page_is_redirect', 'page_latest', + ); + + if ( $wgContentHandlerUseDB ) { + $fields[] = 'page_content_model'; + } + + return $fields; + } + + /** * Create a new Title from an article ID * - * @param $id Int the page_id corresponding to the Title to create - * @param $flags Int use Title::GAID_FOR_UPDATE to use master + * @param int $id the page_id corresponding to the Title to create + * @param int $flags use Title::GAID_FOR_UPDATE to use master * @return Title the new object, or NULL on an error */ public static function newFromID( $id, $flags = 0 ) { $db = ( $flags & self::GAID_FOR_UPDATE ) ? wfGetDB( DB_MASTER ) : wfGetDB( DB_SLAVE ); $row = $db->selectRow( 'page', - array( - 'page_namespace', 'page_title', 'page_id', - 'page_len', 'page_is_redirect', 'page_latest', - ), + self::getSelectFields(), array( 'page_id' => $id ), __METHOD__ ); @@ -228,7 +246,7 @@ class Title { /** * Make an array of titles from an array of IDs * - * @param $ids Array of Int Array of IDs + * @param array $ids of Int Array of IDs * @return Array of Titles */ public static function newFromIDs( $ids ) { @@ -239,10 +257,7 @@ class Title { $res = $dbr->select( 'page', - array( - 'page_namespace', 'page_title', 'page_id', - 'page_len', 'page_is_redirect', 'page_latest', - ), + self::getSelectFields(), array( 'page_id' => $ids ), __METHOD__ ); @@ -282,11 +297,16 @@ class Title { $this->mRedirect = (bool)$row->page_is_redirect; if ( isset( $row->page_latest ) ) $this->mLatestID = (int)$row->page_latest; + if ( isset( $row->page_content_model ) ) + $this->mContentModel = strval( $row->page_content_model ); + else + $this->mContentModel = false; # initialized lazily in getContentModel() } else { // page not found $this->mArticleID = 0; $this->mLength = 0; $this->mRedirect = false; $this->mLatestID = 0; + $this->mContentModel = false; # initialized lazily in getContentModel() } } @@ -297,10 +317,10 @@ class Title { * For convenience, spaces are converted to underscores so that * eg user_text fields can be used directly. * - * @param $ns Int the namespace of the article - * @param $title String the unprefixed database key form - * @param $fragment String the link fragment (after the "#") - * @param $interwiki String the interwiki prefix + * @param int $ns the namespace of the article + * @param string $title the unprefixed database key form + * @param string $fragment the link fragment (after the "#") + * @param string $interwiki the interwiki prefix * @return Title the new object */ public static function &makeTitle( $ns, $title, $fragment = '', $interwiki = '' ) { @@ -312,6 +332,7 @@ class Title { $t->mArticleID = ( $ns >= 0 ) ? -1 : 0; $t->mUrlform = wfUrlencode( $t->mDbkeyform ); $t->mTextform = str_replace( '_', ' ', $title ); + $t->mContentModel = false; # initialized lazily in getContentModel() return $t; } @@ -320,10 +341,10 @@ class Title { * The parameters will be checked for validity, which is a bit slower * than makeTitle() but safer for user-provided data. * - * @param $ns Int the namespace of the article - * @param $title String database key form - * @param $fragment String the link fragment (after the "#") - * @param $interwiki String interwiki prefix + * @param int $ns the namespace of the article + * @param string $title database key form + * @param string $fragment the link fragment (after the "#") + * @param string $interwiki interwiki prefix * @return Title the new object, or NULL on an error */ public static function makeTitleSafe( $ns, $title, $fragment = '', $interwiki = '' ) { @@ -360,11 +381,15 @@ class Title { * This will only return the very next target, useful for * the redirect table and other checks that don't need full recursion * - * @param $text String: Text with possible redirect + * @param string $text Text with possible redirect * @return Title: The corresponding Title + * @deprecated since 1.21, use Content::getRedirectTarget instead. */ public static function newFromRedirect( $text ) { - return self::newFromRedirectInternal( $text ); + ContentHandler::deprecated( __METHOD__, '1.21' ); + + $content = ContentHandler::makeContent( $text, null, CONTENT_MODEL_WIKITEXT ); + return $content->getRedirectTarget(); } /** @@ -373,12 +398,15 @@ class Title { * This will recurse down $wgMaxRedirects times or until a non-redirect target is hit * in order to provide (hopefully) the Title of the final destination instead of another redirect * - * @param $text String Text with possible redirect + * @param string $text Text with possible redirect * @return Title + * @deprecated since 1.21, use Content::getUltimateRedirectTarget instead. */ public static function newFromRedirectRecurse( $text ) { - $titles = self::newFromRedirectArray( $text ); - return $titles ? array_pop( $titles ) : null; + ContentHandler::deprecated( __METHOD__, '1.21' ); + + $content = ContentHandler::makeContent( $text, null, CONTENT_MODEL_WIKITEXT ); + return $content->getUltimateRedirectTarget(); } /** @@ -387,79 +415,21 @@ class Title { * The last element in the array is the final destination after all redirects * have been resolved (up to $wgMaxRedirects times) * - * @param $text String Text with possible redirect + * @param string $text Text with possible redirect * @return Array of Titles, with the destination last + * @deprecated since 1.21, use Content::getRedirectChain instead. */ public static function newFromRedirectArray( $text ) { - global $wgMaxRedirects; - $title = self::newFromRedirectInternal( $text ); - if ( is_null( $title ) ) { - return null; - } - // recursive check to follow double redirects - $recurse = $wgMaxRedirects; - $titles = array( $title ); - while ( --$recurse > 0 ) { - if ( $title->isRedirect() ) { - $page = WikiPage::factory( $title ); - $newtitle = $page->getRedirectTarget(); - } else { - break; - } - // Redirects to some special pages are not permitted - if ( $newtitle instanceOf Title && $newtitle->isValidRedirectTarget() ) { - // the new title passes the checks, so make that our current title so that further recursion can be checked - $title = $newtitle; - $titles[] = $newtitle; - } else { - break; - } - } - return $titles; - } + ContentHandler::deprecated( __METHOD__, '1.21' ); - /** - * Really extract the redirect destination - * Do not call this function directly, use one of the newFromRedirect* functions above - * - * @param $text String Text with possible redirect - * @return Title - */ - protected static function newFromRedirectInternal( $text ) { - global $wgMaxRedirects; - if ( $wgMaxRedirects < 1 ) { - //redirects are disabled, so quit early - return null; - } - $redir = MagicWord::get( 'redirect' ); - $text = trim( $text ); - if ( $redir->matchStartAndRemove( $text ) ) { - // Extract the first link and see if it's usable - // Ensure that it really does come directly after #REDIRECT - // Some older redirects included a colon, so don't freak about that! - $m = array(); - if ( preg_match( '!^\s*:?\s*\[{2}(.*?)(?:\|.*?)?\]{2}!', $text, $m ) ) { - // Strip preceding colon used to "escape" categories, etc. - // and URL-decode links - if ( strpos( $m[1], '%' ) !== false ) { - // Match behavior of inline link parsing here; - $m[1] = rawurldecode( ltrim( $m[1], ':' ) ); - } - $title = Title::newFromText( $m[1] ); - // If the title is a redirect to bad special pages or is invalid, return null - if ( !$title instanceof Title || !$title->isValidRedirectTarget() ) { - return null; - } - return $title; - } - } - return null; + $content = ContentHandler::makeContent( $text, null, CONTENT_MODEL_WIKITEXT ); + return $content->getRedirectChain(); } /** * Get the prefixed DB key associated with an ID * - * @param $id Int the page_id of the article + * @param int $id the page_id of the article * @return Title an object representing the article, or NULL if no such article was found */ public static function nameOf( $id ) { @@ -520,8 +490,8 @@ class Title { * Get a string representation of a title suitable for * including in a search index * - * @param $ns Int a namespace index - * @param $title String text-form main part + * @param int $ns a namespace index + * @param string $title text-form main part * @return String a stripped-down title string ready for the search index */ public static function indexTitle( $ns, $title ) { @@ -547,10 +517,10 @@ class Title { /** * Make a prefixed DB key from a DB key and a namespace index * - * @param $ns Int numerical representation of the namespace - * @param $title String the DB key form the title - * @param $fragment String The link fragment (after the "#") - * @param $interwiki String The interwiki prefix + * @param int $ns numerical representation of the namespace + * @param string $title the DB key form the title + * @param string $fragment The link fragment (after the "#") + * @param string $interwiki The interwiki prefix * @return String the prefixed form of the title */ public static function makeName( $ns, $title, $fragment = '', $interwiki = '' ) { @@ -570,7 +540,7 @@ class Title { /** * Escape a text fragment, say from a link, for a URL * - * @param $fragment string containing a URL or link fragment (after the "#") + * @param string $fragment containing a URL or link fragment (after the "#") * @return String: escaped string */ static function escapeFragmentForURL( $fragment ) { @@ -605,10 +575,12 @@ class Title { */ public function isLocal() { if ( $this->mInterwiki != '' ) { - return Interwiki::fetch( $this->mInterwiki )->isLocal(); - } else { - return true; + $iw = Interwiki::fetch( $this->mInterwiki ); + if ( $iw ) { + return $iw->isLocal(); + } } + return true; } /** @@ -702,6 +674,39 @@ class Title { } /** + * Get the page's content model id, see the CONTENT_MODEL_XXX constants. + * + * @throws MWException + * @return String: Content model id + */ + public function getContentModel() { + if ( !$this->mContentModel ) { + $linkCache = LinkCache::singleton(); + $this->mContentModel = $linkCache->getGoodLinkFieldObj( $this, 'model' ); + } + + if ( !$this->mContentModel ) { + $this->mContentModel = ContentHandler::getDefaultModelFor( $this ); + } + + if( !$this->mContentModel ) { + throw new MWException( 'Failed to determine content model!' ); + } + + return $this->mContentModel; + } + + /** + * Convenience method for checking a title's content model name + * + * @param string $id The content model ID (use the CONTENT_MODEL_XXX constants). + * @return Boolean true if $this->getContentModel() == $id + */ + public function hasContentModel( $id ) { + return $this->getContentModel() == $id; + } + + /** * Get the namespace text * * @return String: Namespace text @@ -790,7 +795,7 @@ class Title { /** * Returns true if this title resolves to the named special page * - * @param $name String The special page name + * @param string $name The special page name * @return boolean */ public function isSpecial( $name ) { @@ -828,7 +833,7 @@ class Title { * Please make use of this instead of comparing to getNamespace() * This function is much more resistant to changes we may make * to namespaces than code that makes direct comparisons. - * @param $ns int The namespace + * @param int $ns The namespace * @return bool * @since 1.19 */ @@ -865,7 +870,7 @@ class Title { * is either NS_USER or NS_USER_TALK since both of them have NS_USER * as their subject namespace. * - * This is MUCH simpler than individually testing for equivilance + * This is MUCH simpler than individually testing for equivalence * against both NS_USER and NS_USER_TALK, and is also forward compatible. * @since 1.19 * @param $ns int @@ -905,9 +910,9 @@ class Title { /** * Is this the mainpage? - * @note Title::newFromText seams to be sufficiently optimized by the title + * @note Title::newFromText seems to be sufficiently optimized by the title * cache that we don't need to over-optimize by doing direct comparisons and - * acidentally creating new bugs where $title->equals( Title::newFromText() ) + * accidentally creating new bugs where $title->equals( Title::newFromText() ) * ends up reporting something differently than $title->isMainPage(); * * @since 1.18 @@ -934,6 +939,8 @@ class Title { * @return Bool */ public function isConversionTable() { + //@todo: ConversionTable should become a separate content model. + return $this->getNamespace() == NS_MEDIAWIKI && strpos( $this->getText(), 'Conversiontable/' ) === 0; } @@ -944,22 +951,31 @@ class Title { * @return Bool */ public function isWikitextPage() { - $retval = !$this->isCssOrJsPage() && !$this->isCssJsSubpage(); - wfRunHooks( 'TitleIsWikitextPage', array( $this, &$retval ) ); - return $retval; + return $this->hasContentModel( CONTENT_MODEL_WIKITEXT ); } /** - * Could this page contain custom CSS or JavaScript, based - * on the title? + * Could this page contain custom CSS or JavaScript for the global UI. + * This is generally true for pages in the MediaWiki namespace having CONTENT_MODEL_CSS + * or CONTENT_MODEL_JAVASCRIPT. + * + * This method does *not* return true for per-user JS/CSS. Use isCssJsSubpage() for that! + * + * Note that this method should not return true for pages that contain and show "inactive" CSS or JS. * * @return Bool */ public function isCssOrJsPage() { - $retval = $this->mNamespace == NS_MEDIAWIKI - && preg_match( '!\.(?:css|js)$!u', $this->mTextform ) > 0; - wfRunHooks( 'TitleIsCssOrJsPage', array( $this, &$retval ) ); - return $retval; + $isCssOrJsPage = NS_MEDIAWIKI == $this->mNamespace + && ( $this->hasContentModel( CONTENT_MODEL_CSS ) + || $this->hasContentModel( CONTENT_MODEL_JAVASCRIPT ) ); + + #NOTE: this hook is also called in ContentHandler::getDefaultModel. It's called here again to make sure + # hook functions can force this method to return true even outside the mediawiki namespace. + + wfRunHooks( 'TitleIsCssOrJsPage', array( $this, &$isCssOrJsPage ) ); + + return $isCssOrJsPage; } /** @@ -967,7 +983,9 @@ class Title { * @return Bool */ public function isCssJsSubpage() { - return ( NS_USER == $this->mNamespace and preg_match( "/\\/.*\\.(?:css|js)$/", $this->mTextform ) ); + return ( NS_USER == $this->mNamespace && $this->isSubpage() + && ( $this->hasContentModel( CONTENT_MODEL_CSS ) + || $this->hasContentModel( CONTENT_MODEL_JAVASCRIPT ) ) ); } /** @@ -990,7 +1008,8 @@ class Title { * @return Bool */ public function isCssSubpage() { - return ( NS_USER == $this->mNamespace && preg_match( "/\\/.*\\.css$/", $this->mTextform ) ); + return ( NS_USER == $this->mNamespace && $this->isSubpage() + && $this->hasContentModel( CONTENT_MODEL_CSS ) ); } /** @@ -999,7 +1018,8 @@ class Title { * @return Bool */ public function isJsSubpage() { - return ( NS_USER == $this->mNamespace && preg_match( "/\\/.*\\.js$/", $this->mTextform ) ); + return ( NS_USER == $this->mNamespace && $this->isSubpage() + && $this->hasContentModel( CONTENT_MODEL_JAVASCRIPT ) ); } /** @@ -1083,7 +1103,7 @@ class Title { * Deprecated for public use, use Title::makeTitle() with fragment parameter. * Still in active use privately. * - * @param $fragment String text + * @param string $fragment text */ public function setFragment( $fragment ) { $this->mFragment = str_replace( '_', ' ', substr( $fragment, 1 ) ); @@ -1093,7 +1113,7 @@ class Title { * Prefix some arbitrary text with the namespace or interwiki prefix * of this object * - * @param $name String the text + * @param string $name the text * @return String the prefixed text * @private */ @@ -1161,7 +1181,49 @@ class Title { } /** - * Get the base page name, i.e. the leftmost part before any slashes + * Get the root page name text without a namespace, i.e. the leftmost part before any slashes + * + * @par Example: + * @code + * Title::newFromText('User:Foo/Bar/Baz')->getRootText(); + * # returns: 'Foo' + * @endcode + * + * @return String Root name + * @since 1.20 + */ + public function getRootText() { + if ( !MWNamespace::hasSubpages( $this->mNamespace ) ) { + return $this->getText(); + } + + return strtok( $this->getText(), '/' ); + } + + /** + * Get the root page name title, i.e. the leftmost part before any slashes + * + * @par Example: + * @code + * Title::newFromText('User:Foo/Bar/Baz')->getRootTitle(); + * # returns: Title{User:Foo} + * @endcode + * + * @return Title Root title + * @since 1.20 + */ + public function getRootTitle() { + return Title::makeTitle( $this->getNamespace(), $this->getRootText() ); + } + + /** + * Get the base page name without a namespace, i.e. the part before the subpage name + * + * @par Example: + * @code + * Title::newFromText('User:Foo/Bar/Baz')->getBaseText(); + * # returns: 'Foo/Bar' + * @endcode * * @return String Base name */ @@ -1179,8 +1241,30 @@ class Title { } /** + * Get the base page name title, i.e. the part before the subpage name + * + * @par Example: + * @code + * Title::newFromText('User:Foo/Bar/Baz')->getBaseTitle(); + * # returns: Title{User:Foo/Bar} + * @endcode + * + * @return Title Base title + * @since 1.20 + */ + public function getBaseTitle() { + return Title::makeTitle( $this->getNamespace(), $this->getBaseText() ); + } + + /** * Get the lowest-level subpage name, i.e. the rightmost part after any slashes * + * @par Example: + * @code + * Title::newFromText('User:Foo/Bar/Baz')->getSubpageText(); + * # returns: "Baz" + * @endcode + * * @return String Subpage name */ public function getSubpageText() { @@ -1192,10 +1276,28 @@ class Title { } /** + * Get the title for a subpage of the current page + * + * @par Example: + * @code + * Title::newFromText('User:Foo/Bar/Baz')->getSubpage("Asdf"); + * # returns: Title{User:Foo/Bar/Baz/Asdf} + * @endcode + * + * @param string $text The subpage name to add to the title + * @return Title Subpage title + * @since 1.20 + */ + public function getSubpage( $text ) { + return Title::makeTitleSafe( $this->getNamespace(), $this->getText() . '/' . $text ); + } + + /** * Get the HTML-escaped displayable text form. * Used for the title field in <a> tags. * * @return String the text, including any prefixes + * @deprecated since 1.19 */ public function getEscapedText() { wfDeprecated( __METHOD__, '1.19' ); @@ -1230,7 +1332,7 @@ class Title { * second argument named variant. This was deprecated in favor * of passing an array of option with a "variant" key * Once $query2 is removed for good, this helper can be dropped - * andthe wfArrayToCGI moved to getLocalURL(); + * and the wfArrayToCgi moved to getLocalURL(); * * @since 1.19 (r105919) * @param $query @@ -1242,15 +1344,15 @@ class Title { wfDeprecated( "Title::get{Canonical,Full,Link,Local} method called with a second parameter is deprecated. Add your parameter to an array passed as the first parameter.", "1.19" ); } if ( is_array( $query ) ) { - $query = wfArrayToCGI( $query ); + $query = wfArrayToCgi( $query ); } if ( $query2 ) { if ( is_string( $query2 ) ) { // $query2 is a string, we will consider this to be // a deprecated $variant argument and add it to the query - $query2 = wfArrayToCGI( array( 'variant' => $query2 ) ); + $query2 = wfArrayToCgi( array( 'variant' => $query2 ) ); } else { - $query2 = wfArrayToCGI( $query2 ); + $query2 = wfArrayToCgi( $query2 ); } // If we have $query content add a & to it first if ( $query ) { @@ -1270,6 +1372,8 @@ class Title { * * @see self::getLocalURL * @see wfExpandUrl + * @param $query + * @param $query2 bool * @param $proto Protocol type to use in URL * @return String the URL */ @@ -1296,8 +1400,8 @@ class Title { * with action=render, $wgServer is prepended. * - * @param $query string|array an optional query string, - * not used for interwiki links. Can be specified as an associative array as well, + * @param string|array $query an optional query string, + * not used for interwiki links. Can be specified as an associative array as well, * e.g., array( 'action' => 'edit' ) (keys and values will be URL-escaped). * Some query patterns will trigger various shorturl path replacements. * @param $query2 Mixed: An optional secondary query array. This one MUST @@ -1396,13 +1500,16 @@ class Title { * * See getLocalURL for the arguments. * + * @param $query + * @param $query2 bool + * @param $proto Protocol to use; setting this will cause a full URL to be used * @see self::getLocalURL * @return String the URL */ - public function getLinkURL( $query = '', $query2 = false ) { + public function getLinkURL( $query = '', $query2 = false, $proto = PROTO_RELATIVE ) { wfProfileIn( __METHOD__ ); - if ( $this->isExternal() ) { - $ret = $this->getFullURL( $query, $query2 ); + if ( $this->isExternal() || $proto !== PROTO_RELATIVE ) { + $ret = $this->getFullURL( $query, $query2, $proto ); } elseif ( $this->getPrefixedText() === '' && $this->getFragment() !== '' ) { $ret = $this->getFragmentForURL(); } else { @@ -1422,6 +1529,7 @@ class Title { * @param $query string * @param $query2 bool|string * @return String the URL + * @deprecated since 1.19 */ public function escapeLocalURL( $query = '', $query2 = false ) { wfDeprecated( __METHOD__, '1.19' ); @@ -1436,6 +1544,7 @@ class Title { * * @see self::getLocalURL * @return String the URL + * @deprecated since 1.19 */ public function escapeFullURL( $query = '', $query2 = false ) { wfDeprecated( __METHOD__, '1.19' ); @@ -1493,6 +1602,7 @@ class Title { * @see self::getLocalURL * @since 1.18 * @return string + * @deprecated since 1.19 */ public function escapeCanonicalURL( $query = '', $query2 = false ) { wfDeprecated( __METHOD__, '1.19' ); @@ -1555,7 +1665,7 @@ class Title { * * May provide false positives, but should never provide a false negative. * - * @param $action String action that permission needs to be checked for + * @param string $action action that permission needs to be checked for * @param $user User to check (since 1.19); $wgUser will be used if not * provided. * @return Bool @@ -1567,10 +1677,10 @@ class Title { /** * Can $user perform $action on this page? * - * @param $action String action that permission needs to be checked for + * @param string $action action that permission needs to be checked for * @param $user User to check (since 1.19); $wgUser will be used if not * provided. - * @param $doExpensiveQueries Bool Set this to false to avoid doing + * @param bool $doExpensiveQueries Set this to false to avoid doing * unnecessary queries. * @return Bool */ @@ -1587,11 +1697,11 @@ class Title { * * @todo FIXME: This *does not* check throttles (User::pingLimiter()). * - * @param $action String action that permission needs to be checked for + * @param string $action action that permission needs to be checked for * @param $user User to check - * @param $doExpensiveQueries Bool Set this to false to avoid doing unnecessary + * @param bool $doExpensiveQueries Set this to false to avoid doing unnecessary * queries by skipping checks for cascading protections and user blocks. - * @param $ignoreErrors Array of Strings Set this to a list of message keys + * @param array $ignoreErrors of Strings Set this to a list of message keys * whose corresponding errors may be ignored. * @return Array of arguments to wfMessage to explain permissions problems. */ @@ -1613,9 +1723,9 @@ class Title { /** * Permissions checks that fail most often, and which are easiest to test. * - * @param $action String the action to check + * @param string $action the action to check * @param $user User user to check - * @param $errors Array list of current errors + * @param array $errors list of current errors * @param $doExpensiveQueries Boolean whether or not to perform expensive queries * @param $short Boolean short circuit on first error * @@ -1623,8 +1733,10 @@ class Title { */ private function checkQuickPermissions( $action, $user, $errors, $doExpensiveQueries, $short ) { if ( $action == 'create' ) { - if ( ( $this->isTalkPage() && !$user->isAllowed( 'createtalk' ) ) || - ( !$this->isTalkPage() && !$user->isAllowed( 'createpage' ) ) ) { + if ( + ( $this->isTalkPage() && !$user->isAllowed( 'createtalk' ) ) || + ( !$this->isTalkPage() && !$user->isAllowed( 'createpage' ) ) + ) { $errors[] = $user->isAnon() ? array( 'nocreatetext' ) : array( 'nocreate-loggedin' ); } } elseif ( $action == 'move' ) { @@ -1641,15 +1753,8 @@ class Title { if ( !$user->isAllowed( 'move' ) ) { // User can't move anything - global $wgGroupPermissions; - $userCanMove = false; - if ( isset( $wgGroupPermissions['user']['move'] ) ) { - $userCanMove = $wgGroupPermissions['user']['move']; - } - $autoconfirmedCanMove = false; - if ( isset( $wgGroupPermissions['autoconfirmed']['move'] ) ) { - $autoconfirmedCanMove = $wgGroupPermissions['autoconfirmed']['move']; - } + $userCanMove = User::groupHasPermission( 'user', 'move' ); + $autoconfirmedCanMove = User::groupHasPermission( 'autoconfirmed', 'move' ); if ( $user->isAnon() && ( $userCanMove || $autoconfirmedCanMove ) ) { // custom message if logged-in users without any special rights can move $errors[] = array( 'movenologintext' ); @@ -1676,7 +1781,7 @@ class Title { /** * Add the resulting error code to the errors array * - * @param $errors Array list of current errors + * @param array $errors list of current errors * @param $result Mixed result of errors * * @return Array list of errors @@ -1701,9 +1806,9 @@ class Title { /** * Check various permission hooks * - * @param $action String the action to check + * @param string $action the action to check * @param $user User user to check - * @param $errors Array list of current errors + * @param array $errors list of current errors * @param $doExpensiveQueries Boolean whether or not to perform expensive queries * @param $short Boolean short circuit on first error * @@ -1720,8 +1825,11 @@ class Title { $errors = $this->resultToError( $errors, $result ); } // Check getUserPermissionsErrorsExpensive hook - if ( $doExpensiveQueries && !( $short && count( $errors ) > 0 ) && - !wfRunHooks( 'getUserPermissionsErrorsExpensive', array( &$this, &$user, $action, &$result ) ) ) { + if ( + $doExpensiveQueries + && !( $short && count( $errors ) > 0 ) + && !wfRunHooks( 'getUserPermissionsErrorsExpensive', array( &$this, &$user, $action, &$result ) ) + ) { $errors = $this->resultToError( $errors, $result ); } @@ -1731,19 +1839,18 @@ class Title { /** * Check permissions on special pages & namespaces * - * @param $action String the action to check + * @param string $action the action to check * @param $user User user to check - * @param $errors Array list of current errors + * @param array $errors list of current errors * @param $doExpensiveQueries Boolean whether or not to perform expensive queries * @param $short Boolean short circuit on first error * * @return Array list of errors */ private function checkSpecialsAndNSPermissions( $action, $user, $errors, $doExpensiveQueries, $short ) { - # Only 'createaccount' and 'execute' can be performed on - # special pages, which don't actually exist in the DB. - $specialOKActions = array( 'createaccount', 'execute', 'read' ); - if ( NS_SPECIAL == $this->mNamespace && !in_array( $action, $specialOKActions ) ) { + # Only 'createaccount' can be performed on special pages, + # which don't actually exist in the DB. + if ( NS_SPECIAL == $this->mNamespace && $action !== 'createaccount' ) { $errors[] = array( 'ns-specialprotected' ); } @@ -1752,7 +1859,7 @@ class Title { $ns = $this->mNamespace == NS_MAIN ? wfMessage( 'nstab-main' )->text() : $this->getNsText(); $errors[] = $this->mNamespace == NS_MEDIAWIKI ? - array( 'protectedinterface' ) : array( 'namespaceprotected', $ns ); + array( 'protectedinterface' ) : array( 'namespaceprotected', $ns ); } return $errors; @@ -1761,9 +1868,9 @@ class Title { /** * Check CSS/JS sub-page permissions * - * @param $action String the action to check + * @param string $action the action to check * @param $user User user to check - * @param $errors Array list of current errors + * @param array $errors list of current errors * @param $doExpensiveQueries Boolean whether or not to perform expensive queries * @param $short Boolean short circuit on first error * @@ -1790,9 +1897,9 @@ class Title { * page. The user must possess all required rights for this * action. * - * @param $action String the action to check + * @param string $action the action to check * @param $user User user to check - * @param $errors Array list of current errors + * @param array $errors list of current errors * @param $doExpensiveQueries Boolean whether or not to perform expensive queries * @param $short Boolean short circuit on first error * @@ -1821,9 +1928,9 @@ class Title { /** * Check restrictions on cascading pages. * - * @param $action String the action to check + * @param string $action the action to check * @param $user User to check - * @param $errors Array list of current errors + * @param array $errors list of current errors * @param $doExpensiveQueries Boolean whether or not to perform expensive queries * @param $short Boolean short circuit on first error * @@ -1860,9 +1967,9 @@ class Title { /** * Check action permissions not already checked in checkQuickPermissions * - * @param $action String the action to check + * @param string $action the action to check * @param $user User to check - * @param $errors Array list of current errors + * @param array $errors list of current errors * @param $doExpensiveQueries Boolean whether or not to perform expensive queries * @param $short Boolean short circuit on first error * @@ -1914,11 +2021,11 @@ class Title { } /** - * Check that the user isn't blocked from editting. + * Check that the user isn't blocked from editing. * - * @param $action String the action to check + * @param string $action the action to check * @param $user User to check - * @param $errors Array list of current errors + * @param array $errors list of current errors * @param $doExpensiveQueries Boolean whether or not to perform expensive queries * @param $short Boolean short circuit on first error * @@ -1981,22 +2088,22 @@ class Title { /** * Check that the user is allowed to read this page. * - * @param $action String the action to check + * @param string $action the action to check * @param $user User to check - * @param $errors Array list of current errors + * @param array $errors list of current errors * @param $doExpensiveQueries Boolean whether or not to perform expensive queries * @param $short Boolean short circuit on first error * * @return Array list of errors */ private function checkReadPermissions( $action, $user, $errors, $doExpensiveQueries, $short ) { - global $wgWhitelistRead, $wgGroupPermissions, $wgRevokePermissions; + global $wgWhitelistRead, $wgWhitelistReadRegexp, $wgRevokePermissions; static $useShortcut = null; # Initialize the $useShortcut boolean, to determine if we can skip quite a bit of code below if ( is_null( $useShortcut ) ) { $useShortcut = true; - if ( empty( $wgGroupPermissions['*']['read'] ) ) { + if ( !User::groupHasPermission( '*', 'read' ) ) { # Not a public wiki, so no shortcut $useShortcut = false; } elseif ( !empty( $wgRevokePermissions ) ) { @@ -2034,7 +2141,7 @@ class Title { # Time to check the whitelist # Only do these checks is there's something to check against $name = $this->getPrefixedText(); - $dbName = $this->getPrefixedDBKey(); + $dbName = $this->getPrefixedDBkey(); // Check for explicit whitelisting with and without underscores if ( in_array( $name, $wgWhitelistRead, true ) || in_array( $dbName, $wgWhitelistRead, true ) ) { @@ -2049,7 +2156,7 @@ class Title { # If it's a special page, ditch the subpage bit and check again $name = $this->getDBkey(); list( $name, /* $subpage */ ) = SpecialPageFactory::resolveAlias( $name ); - if ( $name !== false ) { + if ( $name ) { $pure = SpecialPage::getTitleFor( $name )->getPrefixedText(); if ( in_array( $pure, $wgWhitelistRead, true ) ) { $whitelisted = true; @@ -2058,6 +2165,17 @@ class Title { } } + if( !$whitelisted && is_array( $wgWhitelistReadRegexp ) && !empty( $wgWhitelistReadRegexp ) ) { + $name = $this->getPrefixedText(); + // Check for regex whitelisting + foreach ( $wgWhitelistReadRegexp as $listItem ) { + if ( preg_match( $listItem, $name ) ) { + $whitelisted = true; + break; + } + } + } + if ( !$whitelisted ) { # If the title is not whitelisted, give extensions a chance to do so... wfRunHooks( 'TitleReadWhitelist', array( $this, $user, &$whitelisted ) ); @@ -2073,7 +2191,7 @@ class Title { * Get a description array when the user doesn't have the right to perform * $action (i.e. when User::isAllowed() returns false) * - * @param $action String the action to check + * @param string $action the action to check * @param $short Boolean short circuit on first error * @return Array list of errors */ @@ -2103,10 +2221,10 @@ class Title { * which checks ONLY that previously checked by userCan (i.e. it leaves out * checks on wfReadOnly() and blocks) * - * @param $action String action that permission needs to be checked for + * @param string $action action that permission needs to be checked for * @param $user User to check - * @param $doExpensiveQueries Bool Set this to false to avoid doing unnecessary queries. - * @param $short Bool Set this to true to stop after the first permission error. + * @param bool $doExpensiveQueries Set this to false to avoid doing unnecessary queries. + * @param bool $short Set this to true to stop after the first permission error. * @return Array of arrays of the arguments to wfMessage to explain permissions problems. */ protected function getUserPermissionsErrorsInternal( $action, $user, $doExpensiveQueries = true, $short = false ) { @@ -2166,8 +2284,10 @@ class Title { public function userCanEditJsSubpage() { global $wgUser; wfDeprecated( __METHOD__, '1.19' ); - return ( ( $wgUser->isAllowedAll( 'editusercssjs', 'edituserjs' ) ) - || preg_match( '/^' . preg_quote( $wgUser->getName(), '/' ) . '\//', $this->mTextform ) ); + return ( + ( $wgUser->isAllowedAll( 'editusercssjs', 'edituserjs' ) ) + || preg_match( '/^' . preg_quote( $wgUser->getName(), '/' ) . '\//', $this->mTextform ) + ); } /** @@ -2235,9 +2355,12 @@ class Title { if ( !isset( $this->mTitleProtection ) ) { $dbr = wfGetDB( DB_SLAVE ); - $res = $dbr->select( 'protected_titles', '*', + $res = $dbr->select( + 'protected_titles', + array( 'pt_user', 'pt_reason', 'pt_expiry', 'pt_create_perm' ), array( 'pt_namespace' => $this->getNamespace(), 'pt_title' => $this->getDBkey() ), - __METHOD__ ); + __METHOD__ + ); // fetchRow returns false if there are no rows. $this->mTitleProtection = $dbr->fetchRow( $res ); @@ -2250,8 +2373,8 @@ class Title { * * @deprecated in 1.19; will be removed in 1.20. Use WikiPage::doUpdateRestrictions() instead. * @param $create_perm String Permission required for creation - * @param $reason String Reason for protection - * @param $expiry String Expiry timestamp + * @param string $reason Reason for protection + * @param string $expiry Expiry timestamp * @return boolean true */ public function updateTitleProtection( $create_perm, $reason, $expiry ) { @@ -2263,7 +2386,8 @@ class Title { $expiry = array( 'create' => $expiry ); $page = WikiPage::factory( $this ); - $status = $page->doUpdateRestrictions( $limit, $expiry, false, $reason, $wgUser ); + $cascade = false; + $status = $page->doUpdateRestrictions( $limit, $expiry, $cascade, $reason, $wgUser ); return $status->isOK(); } @@ -2285,7 +2409,7 @@ class Title { /** * Is this page "semi-protected" - the *only* protection is autoconfirm? * - * @param $action String Action to check (default: edit) + * @param string $action Action to check (default: edit) * @return Bool */ public function isSemiProtected( $action = 'edit' ) { @@ -2311,7 +2435,7 @@ class Title { /** * Does the title correspond to a protected article? * - * @param $action String the action the page is protected from, + * @param string $action the action the page is protected from, * by default checks all actions. * @return Bool */ @@ -2373,7 +2497,7 @@ class Title { /** * Cascading protection: Get the source of any cascading restrictions on this page. * - * @param $getPages Bool Whether or not to retrieve the actual pages + * @param bool $getPages Whether or not to retrieve the actual pages * that the restrictions have come from. * @return Mixed Array of Title objects of the pages from which cascading restrictions * have come, false for none, or true if such restrictions exist, but $getPages @@ -2413,7 +2537,7 @@ class Title { if ( $getPages ) { $cols = array( 'pr_page', 'page_namespace', 'page_title', - 'pr_expiry', 'pr_type', 'pr_level' ); + 'pr_expiry', 'pr_type', 'pr_level' ); $where_clauses[] = 'page_id=pr_page'; $tables[] = 'page'; } else { @@ -2441,8 +2565,10 @@ class Title { $pagerestrictions[$row->pr_type] = array(); } - if ( isset( $pagerestrictions[$row->pr_type] ) && - !in_array( $row->pr_level, $pagerestrictions[$row->pr_type] ) ) { + if ( + isset( $pagerestrictions[$row->pr_type] ) + && !in_array( $row->pr_level, $pagerestrictions[$row->pr_type] ) + ) { $pagerestrictions[$row->pr_type][] = $row->pr_level; } } else { @@ -2471,7 +2597,7 @@ class Title { /** * Accessor/initialisation for mRestrictions * - * @param $action String action that permission needs to be checked for + * @param string $action action that permission needs to be checked for * @return Array of Strings the array of groups allowed to edit this article */ public function getRestrictions( $action ) { @@ -2514,7 +2640,7 @@ class Title { * Loads a string into mRestrictions array * * @param $res Resource restrictions as an SQL result. - * @param $oldFashionedRestrictions String comma-separated list of page + * @param string $oldFashionedRestrictions comma-separated list of page * restrictions from page table (pre 1.10) */ private function loadRestrictionsFromResultWrapper( $res, $oldFashionedRestrictions = null ) { @@ -2532,8 +2658,8 @@ class Title { * and page_restrictions table for this existing page. * Public for usage by LiquidThreads. * - * @param $rows array of db result objects - * @param $oldFashionedRestrictions string comma-separated list of page + * @param array $rows of db result objects + * @param string $oldFashionedRestrictions comma-separated list of page * restrictions from page table (pre 1.10) */ public function loadRestrictionsFromRows( $rows, $oldFashionedRestrictions = null ) { @@ -2615,7 +2741,7 @@ class Title { /** * Load restrictions from the page_restrictions table * - * @param $oldFashionedRestrictions String comma-separated list of page + * @param string $oldFashionedRestrictions comma-separated list of page * restrictions from page table (pre 1.10) */ public function loadRestrictions( $oldFashionedRestrictions = null ) { @@ -2626,7 +2752,7 @@ class Title { $res = $dbr->select( 'page_restrictions', - '*', + array( 'pr_type', 'pr_expiry', 'pr_level', 'pr_cascade' ), array( 'pr_page' => $this->getArticleID() ), __METHOD__ ); @@ -2668,6 +2794,10 @@ class Title { * Purge expired restrictions from the page_restrictions table */ static function purgeExpiredRestrictions() { + if ( wfReadOnly() ) { + return; + } + $dbw = wfGetDB( DB_MASTER ); $dbw->delete( 'page_restrictions', @@ -2711,7 +2841,7 @@ class Title { /** * Get all subpages of this page. * - * @param $limit Int maximum number of subpages to fetch; -1 for no limit + * @param int $limit maximum number of subpages to fetch; -1 for no limit * @return mixed TitleArray, or empty array if this page's namespace * doesn't allow subpages */ @@ -2789,7 +2919,7 @@ class Title { * Get the article ID for this Title from the link cache, * adding it if necessary * - * @param $flags Int a bit field; may be Title::GAID_FOR_UPDATE to select + * @param int $flags a bit field; may be Title::GAID_FOR_UPDATE to select * for update * @return Int the ID */ @@ -2815,7 +2945,7 @@ class Title { * Is this an article that is a redirect page? * Uses link cache, adding it if necessary * - * @param $flags Int a bit field; may be Title::GAID_FOR_UPDATE to select for update + * @param int $flags a bit field; may be Title::GAID_FOR_UPDATE to select for update * @return Bool */ public function isRedirect( $flags = 0 ) { @@ -2826,8 +2956,18 @@ class Title { if ( !$this->getArticleID( $flags ) ) { return $this->mRedirect = false; } + $linkCache = LinkCache::singleton(); - $this->mRedirect = (bool)$linkCache->getGoodLinkFieldObj( $this, 'redirect' ); + $cached = $linkCache->getGoodLinkFieldObj( $this, 'redirect' ); + if ( $cached === null ) { + // TODO: check the assumption that the cache actually knows about this title + // and handle this, such as get the title from the database. + // See https://bugzilla.wikimedia.org/show_bug.cgi?id=37209 + wfDebug( "LinkCache doesn't currently know about this title: " . $this->getPrefixedDBkey() ); + wfDebug( wfBacktrace() ); + } + + $this->mRedirect = (bool)$cached; return $this->mRedirect; } @@ -2836,7 +2976,7 @@ class Title { * What is the length of this page? * Uses link cache, adding it if necessary * - * @param $flags Int a bit field; may be Title::GAID_FOR_UPDATE to select for update + * @param int $flags a bit field; may be Title::GAID_FOR_UPDATE to select for update * @return Int */ public function getLength( $flags = 0 ) { @@ -2848,7 +2988,15 @@ class Title { return $this->mLength = 0; } $linkCache = LinkCache::singleton(); - $this->mLength = intval( $linkCache->getGoodLinkFieldObj( $this, 'length' ) ); + $cached = $linkCache->getGoodLinkFieldObj( $this, 'length' ); + if ( $cached === null ) { # check the assumption that the cache actually knows about this title + # XXX: this does apparently happen, see https://bugzilla.wikimedia.org/show_bug.cgi?id=37209 + # as a stop gap, perhaps log this, but don't throw an exception? + wfDebug( "LinkCache doesn't currently know about this title: " . $this->getPrefixedDBkey() ); + wfDebug( wfBacktrace() ); + } + + $this->mLength = intval( $cached ); return $this->mLength; } @@ -2856,7 +3004,8 @@ class Title { /** * What is the page_latest field for this page? * - * @param $flags Int a bit field; may be Title::GAID_FOR_UPDATE to select for update + * @param int $flags a bit field; may be Title::GAID_FOR_UPDATE to select for update + * @throws MWException * @return Int or 0 if the page doesn't exist */ public function getLatestRevID( $flags = 0 ) { @@ -2868,7 +3017,15 @@ class Title { return $this->mLatestID = 0; } $linkCache = LinkCache::singleton(); - $this->mLatestID = intval( $linkCache->getGoodLinkFieldObj( $this, 'revision' ) ); + $linkCache->addLinkObj( $this ); + $cached = $linkCache->getGoodLinkFieldObj( $this, 'revision' ); + if ( $cached === null ) { # check the assumption that the cache actually knows about this title + # XXX: this does apparently happen, see https://bugzilla.wikimedia.org/show_bug.cgi?id=37209 + # as a stop gap, perhaps log this, but don't throw an exception? + throw new MWException( "LinkCache doesn't currently know about this title: " . $this->getPrefixedDBkey() ); + } + + $this->mLatestID = intval( $cached ); return $this->mLatestID; } @@ -2881,7 +3038,7 @@ class Title { * loading of the new page_id. It's also called from * WikiPage::doDeleteArticleReal() * - * @param $newid Int the new Article ID + * @param int $newid the new Article ID */ public function resetArticleID( $newid ) { $linkCache = LinkCache::singleton(); @@ -2897,14 +3054,15 @@ class Title { $this->mRedirect = null; $this->mLength = -1; $this->mLatestID = false; + $this->mContentModel = false; $this->mEstimateRevisions = null; } /** * Capitalize a text string for a title if it belongs to a namespace that capitalizes * - * @param $text String containing title to capitalize - * @param $ns int namespace index, defaults to NS_MAIN + * @param string $text containing title to capitalize + * @param int $ns namespace index, defaults to NS_MAIN * @return String containing capitalized title */ public static function capitalize( $text, $ns = NS_MAIN ) { @@ -3049,15 +3207,18 @@ class Title { # Pages with "/./" or "/../" appearing in the URLs will often be un- # reachable due to the way web browsers deal with 'relative' URLs. # Also, they conflict with subpage syntax. Forbid them explicitly. - if ( strpos( $dbkey, '.' ) !== false && - ( $dbkey === '.' || $dbkey === '..' || - strpos( $dbkey, './' ) === 0 || - strpos( $dbkey, '../' ) === 0 || - strpos( $dbkey, '/./' ) !== false || - strpos( $dbkey, '/../' ) !== false || - substr( $dbkey, -2 ) == '/.' || - substr( $dbkey, -3 ) == '/..' ) ) - { + if ( + strpos( $dbkey, '.' ) !== false && + ( + $dbkey === '.' || $dbkey === '..' || + strpos( $dbkey, './' ) === 0 || + strpos( $dbkey, '../' ) === 0 || + strpos( $dbkey, '/./' ) !== false || + strpos( $dbkey, '/../' ) !== false || + substr( $dbkey, -2 ) == '/.' || + substr( $dbkey, -3 ) == '/..' + ) + ) { return false; } @@ -3070,9 +3231,10 @@ class Title { # underlying database field. We make an exception for special pages, which # don't need to be stored in the database, and may edge over 255 bytes due # to subpage syntax for long titles, e.g. [[Special:Block/Long name]] - if ( ( $this->mNamespace != NS_SPECIAL && strlen( $dbkey ) > 255 ) || - strlen( $dbkey ) > 512 ) - { + if ( + ( $this->mNamespace != NS_SPECIAL && strlen( $dbkey ) > 255 ) + || strlen( $dbkey ) > 512 + ) { return false; } @@ -3121,9 +3283,9 @@ class Title { * WARNING: do not use this function on arbitrary user-supplied titles! * On heavily-used templates it will max out the memory. * - * @param $options Array: may be FOR UPDATE - * @param $table String: table name - * @param $prefix String: fields prefix + * @param array $options may be FOR UPDATE + * @param string $table table name + * @param string $prefix fields prefix * @return Array of Title objects linking here */ public function getLinksTo( $options = array(), $table = 'pagelinks', $prefix = 'pl' ) { @@ -3135,7 +3297,7 @@ class Title { $res = $db->select( array( 'page', $table ), - array( 'page_namespace', 'page_title', 'page_id', 'page_len', 'page_is_redirect', 'page_latest' ), + self::getSelectFields(), array( "{$prefix}_from=page_id", "{$prefix}_namespace" => $this->getNamespace(), @@ -3165,7 +3327,7 @@ class Title { * WARNING: do not use this function on arbitrary user-supplied titles! * On heavily-used templates it will max out the memory. * - * @param $options Array: may be FOR UPDATE + * @param array $options may be FOR UPDATE * @return Array of Title the Title objects linking here */ public function getTemplateLinksTo( $options = array() ) { @@ -3179,12 +3341,14 @@ class Title { * WARNING: do not use this function on arbitrary user-supplied titles! * On heavily-used templates it will max out the memory. * - * @param $options Array: may be FOR UPDATE - * @param $table String: table name - * @param $prefix String: fields prefix + * @param array $options may be FOR UPDATE + * @param string $table table name + * @param string $prefix fields prefix * @return Array of Title objects linking here */ public function getLinksFrom( $options = array(), $table = 'pagelinks', $prefix = 'pl' ) { + global $wgContentHandlerUseDB; + $id = $this->getArticleID(); # If the page doesn't exist; there can't be any link from this page @@ -3201,9 +3365,12 @@ class Title { $namespaceFiled = "{$prefix}_namespace"; $titleField = "{$prefix}_title"; + $fields = array( $namespaceFiled, $titleField, 'page_id', 'page_len', 'page_is_redirect', 'page_latest' ); + if ( $wgContentHandlerUseDB ) $fields[] = 'page_content_model'; + $res = $db->select( array( $table, 'page' ), - array( $namespaceFiled, $titleField, 'page_id', 'page_len', 'page_is_redirect', 'page_latest' ), + $fields, array( "{$prefix}_from" => $id ), __METHOD__, $options, @@ -3235,7 +3402,7 @@ class Title { * WARNING: do not use this function on arbitrary user-supplied titles! * On heavily-used templates it will max out the memory. * - * @param $options Array: may be FOR UPDATE + * @param array $options may be FOR UPDATE * @return Array of Title the Title objects used here */ public function getTemplateLinksFrom( $options = array() ) { @@ -3278,7 +3445,6 @@ class Title { return $retVal; } - /** * Get a list of URLs to purge from the Squid cache when this * page changes @@ -3329,13 +3495,13 @@ class Title { * Returns true if ok, or a getUserPermissionsErrors()-like array otherwise * * @param $nt Title the new title - * @param $auth Bool indicates whether $wgUser's permissions + * @param bool $auth indicates whether $wgUser's permissions * should be checked - * @param $reason String is the log summary of the move, used for spam checking + * @param string $reason is the log summary of the move, used for spam checking * @return Mixed True on success, getUserPermissionsErrors()-like array on failure */ public function isValidMoveOperation( &$nt, $auth = true, $reason = '' ) { - global $wgUser; + global $wgUser, $wgContentHandlerUseDB; $errors = array(); if ( !$nt ) { @@ -3362,12 +3528,25 @@ class Title { if ( strlen( $nt->getDBkey() ) < 1 ) { $errors[] = array( 'articleexists' ); } - if ( ( $this->getDBkey() == '' ) || - ( !$oldid ) || - ( $nt->getDBkey() == '' ) ) { + if ( + ( $this->getDBkey() == '' ) || + ( !$oldid ) || + ( $nt->getDBkey() == '' ) + ) { $errors[] = array( 'badarticleerror' ); } + // Content model checks + if ( !$wgContentHandlerUseDB && + $this->getContentModel() !== $nt->getContentModel() ) { + // can't move a page if that would change the page's content model + $errors[] = array( + 'bad-target-model', + ContentHandler::getLocalizedName( $this->getContentModel() ), + ContentHandler::getLocalizedName( $nt->getContentModel() ) + ); + } + // Image-specific checks if ( $this->getNamespace() == NS_FILE ) { $errors = array_merge( $errors, $this->validateFileMoveOperation( $nt ) ); @@ -3460,10 +3639,10 @@ class Title { * Move a title to a new location * * @param $nt Title the new title - * @param $auth Bool indicates whether $wgUser's permissions + * @param bool $auth indicates whether $wgUser's permissions * should be checked - * @param $reason String the reason for the move - * @param $createRedirect Bool Whether to create a redirect from the old title to the new title. + * @param string $reason the reason for the move + * @param bool $createRedirect Whether to create a redirect from the old title to the new title. * Ignored if the user doesn't have the suppressredirect right. * @return Mixed true on success, getUserPermissionsErrors()-like array on failure */ @@ -3558,8 +3737,8 @@ class Title { } # Update watchlists - $oldnamespace = $this->getNamespace() & ~1; - $newnamespace = $nt->getNamespace() & ~1; + $oldnamespace = MWNamespace::getSubject( $this->getNamespace() ); + $newnamespace = MWNamespace::getSubject( $nt->getNamespace() ); $oldtitle = $this->getDBkey(); $newtitle = $nt->getDBkey(); @@ -3578,8 +3757,8 @@ class Title { * source page or nonexistent * * @param $nt Title the page to move to, which should be a redirect or nonexistent - * @param $reason String The reason for the move - * @param $createRedirect Bool Whether to leave a redirect at the old title. Does not check + * @param string $reason The reason for the move + * @param bool $createRedirect Whether to leave a redirect at the old title. Does not check * if the user has the suppressredirect right * @throws MWException */ @@ -3594,7 +3773,14 @@ class Title { $logType = 'move'; } - $redirectSuppressed = !$createRedirect; + if ( $createRedirect ) { + $contentHandler = ContentHandler::getForTitle( $this ); + $redirectContent = $contentHandler->makeRedirectContent( $nt ); + + // NOTE: If this page's content model does not support redirects, $redirectContent will be null. + } else { + $redirectContent = null; + } $logEntry = new ManualLogEntry( 'move', $logType ); $logEntry->setPerformer( $wgUser ); @@ -3602,7 +3788,7 @@ class Title { $logEntry->setComment( $reason ); $logEntry->setParameters( array( '4::target' => $nt->getPrefixedText(), - '5::noredir' => $redirectSuppressed ? '1': '0', + '5::noredir' => $redirectContent ? '0': '1', ) ); $formatter = LogFormatter::newFromEntry( $logEntry ); @@ -3637,7 +3823,8 @@ class Title { if ( !is_object( $nullRevision ) ) { throw new MWException( 'No valid null revision produced in ' . __METHOD__ ); } - $nullRevId = $nullRevision->insertOn( $dbw ); + + $nullRevision->insertOn( $dbw ); # Change the name of the target page: $dbw->update( 'page', @@ -3664,18 +3851,17 @@ class Title { } # Recreate the redirect, this time in the other direction. - if ( $redirectSuppressed ) { + if ( !$redirectContent ) { WikiPage::onArticleDelete( $this ); } else { - $mwRedir = MagicWord::get( 'redirect' ); - $redirectText = $mwRedir->getSynonym( 0 ) . ' [[' . $nt->getPrefixedText() . "]]\n"; $redirectArticle = WikiPage::factory( $this ); $newid = $redirectArticle->insertOn( $dbw ); if ( $newid ) { // sanity $redirectRevision = new Revision( array( + 'title' => $this, // for determining the default content model 'page' => $newid, 'comment' => $comment, - 'text' => $redirectText ) ); + 'content' => $redirectContent ) ); $redirectRevision->insertOn( $dbw ); $redirectArticle->updateRevisionOn( $dbw, $redirectRevision, 0 ); @@ -3695,9 +3881,9 @@ class Title { * Move this page's subpages to be subpages of $nt * * @param $nt Title Move target - * @param $auth bool Whether $wgUser's permissions should be checked - * @param $reason string The reason for the move - * @param $createRedirect bool Whether to create redirects from the old subpages to + * @param bool $auth Whether $wgUser's permissions should be checked + * @param string $reason The reason for the move + * @param bool $createRedirect Whether to create redirects from the old subpages to * the new ones Ignored if the user doesn't have the 'suppressredirect' right * @return mixed array with old page titles as keys, and strings (new page titles) or * arrays (errors) as values, or an error array with numeric indices if no pages @@ -3771,10 +3957,16 @@ class Title { * @return Bool */ public function isSingleRevRedirect() { + global $wgContentHandlerUseDB; + $dbw = wfGetDB( DB_MASTER ); + # Is it a redirect? + $fields = array( 'page_is_redirect', 'page_latest', 'page_id' ); + if ( $wgContentHandlerUseDB ) $fields[] = 'page_content_model'; + $row = $dbw->selectRow( 'page', - array( 'page_is_redirect', 'page_latest', 'page_id' ), + $fields, $this->pageCond(), __METHOD__, array( 'FOR UPDATE' ) @@ -3783,6 +3975,7 @@ class Title { $this->mArticleID = $row ? intval( $row->page_id ) : 0; $this->mRedirect = $row ? (bool)$row->page_is_redirect : false; $this->mLatestID = $row ? intval( $row->page_latest ) : false; + $this->mContentModel = $row && isset( $row->page_content_model ) ? strval( $row->page_content_model ) : false; if ( !$this->mRedirect ) { return false; } @@ -3824,27 +4017,28 @@ class Title { } # Get the article text $rev = Revision::newFromTitle( $nt, false, Revision::READ_LATEST ); - if( !is_object( $rev ) ){ + if( !is_object( $rev ) ) { return false; } - $text = $rev->getText(); + $content = $rev->getContent(); # Does the redirect point to the source? # Or is it a broken self-redirect, usually caused by namespace collisions? - $m = array(); - if ( preg_match( "/\\[\\[\\s*([^\\]\\|]*)]]/", $text, $m ) ) { - $redirTitle = Title::newFromText( $m[1] ); - if ( !is_object( $redirTitle ) || - ( $redirTitle->getPrefixedDBkey() != $this->getPrefixedDBkey() && - $redirTitle->getPrefixedDBkey() != $nt->getPrefixedDBkey() ) ) { + $redirTitle = $content ? $content->getRedirectTarget() : null; + + if ( $redirTitle ) { + if ( $redirTitle->getPrefixedDBkey() != $this->getPrefixedDBkey() && + $redirTitle->getPrefixedDBkey() != $nt->getPrefixedDBkey() ) { wfDebug( __METHOD__ . ": redirect points to other page\n" ); return false; + } else { + return true; } } else { - # Fail safe - wfDebug( __METHOD__ . ": failsafe\n" ); + # Fail safe (not a redirect after all. strange.) + wfDebug( __METHOD__ . ": failsafe: database sais " . $nt->getPrefixedDBkey() . + " is a redirect, but it doesn't contain a valid redirect.\n" ); return false; } - return true; } /** @@ -3867,15 +4061,14 @@ class Title { $dbr = wfGetDB( DB_SLAVE ); - $res = $dbr->select( 'categorylinks', '*', - array( - 'cl_from' => $titleKey, - ), - __METHOD__, - array() + $res = $dbr->select( + 'categorylinks', + 'cl_to', + array( 'cl_from' => $titleKey ), + __METHOD__ ); - if ( $dbr->numRows( $res ) > 0 ) { + if ( $res->numRows() > 0 ) { foreach ( $res as $row ) { // $data[] = Title::newFromText($wgContLang->getNSText ( NS_CATEGORY ).':'.$row->cl_to); $data[$wgContLang->getNSText( NS_CATEGORY ) . ':' . $row->cl_to] = $this->getFullText(); @@ -3887,7 +4080,7 @@ class Title { /** * Get a tree of parent categories * - * @param $children Array with the children in the keys, to check for circular refs + * @param array $children with the children in the keys, to check for circular refs * @return Array Tree of parent categories */ public function getParentCategoryTree( $children = array() ) { @@ -3929,8 +4122,8 @@ class Title { /** * Get the revision ID of the previous revision * - * @param $revId Int Revision ID. Get the revision that was before this one. - * @param $flags Int Title::GAID_FOR_UPDATE + * @param int $revId Revision ID. Get the revision that was before this one. + * @param int $flags Title::GAID_FOR_UPDATE * @return Int|Bool Old revision ID, or FALSE if none exists */ public function getPreviousRevisionID( $revId, $flags = 0 ) { @@ -3954,8 +4147,8 @@ class Title { /** * Get the revision ID of the next revision * - * @param $revId Int Revision ID. Get the revision that was after this one. - * @param $flags Int Title::GAID_FOR_UPDATE + * @param int $revId Revision ID. Get the revision that was after this one. + * @param int $flags Title::GAID_FOR_UPDATE * @return Int|Bool Next revision ID, or FALSE if none exists */ public function getNextRevisionID( $revId, $flags = 0 ) { @@ -3979,7 +4172,7 @@ class Title { /** * Get the first revision of the page * - * @param $flags Int Title::GAID_FOR_UPDATE + * @param int $flags Title::GAID_FOR_UPDATE * @return Revision|Null if page doesn't exist */ public function getFirstRevision( $flags = 0 ) { @@ -4001,7 +4194,7 @@ class Title { /** * Get the oldest revision timestamp of this page * - * @param $flags Int Title::GAID_FOR_UPDATE + * @param int $flags Title::GAID_FOR_UPDATE * @return String: MW timestamp */ public function getEarliestRevTime( $flags = 0 ) { @@ -4058,8 +4251,8 @@ class Title { * Get the number of revisions between the given revision. * Used for diffs and other things that really need it. * - * @param $old int|Revision Old revision or rev ID (first before range) - * @param $new int|Revision New revision or rev ID (first after range) + * @param int|Revision $old Old revision or rev ID (first before range) + * @param int|Revision $new New revision or rev ID (first after range) * @return Int Number of revisions between these revisions. */ public function countRevisionsBetween( $old, $new ) { @@ -4087,10 +4280,10 @@ class Title { * Get the number of authors between the given revisions or revision IDs. * Used for diffs and other things that really need it. * - * @param $old int|Revision Old revision or rev ID (first before range by default) - * @param $new int|Revision New revision or rev ID (first after range by default) - * @param $limit int Maximum number of authors - * @param $options string|array (Optional): Single option, or an array of options: + * @param int|Revision $old Old revision or rev ID (first before range by default) + * @param int|Revision $new New revision or rev ID (first after range by default) + * @param int $limit Maximum number of authors + * @param string|array $options (Optional): Single option, or an array of options: * 'include_old' Include $old in the range; $new is excluded. * 'include_new' Include $new in the range; $old is excluded. * 'include_both' Include both $old and $new in the range. @@ -4112,7 +4305,7 @@ class Title { } $old_cmp = '>'; $new_cmp = '<'; - $options = (array) $options; + $options = (array)$options; if ( in_array( 'include_old', $options ) ) { $old_cmp = '>='; } @@ -4202,7 +4395,7 @@ class Title { $isKnown = null; /** - * Allows overriding default behaviour for determining if a page exists. + * Allows overriding default behavior for determining if a page exists. * If $isKnown is kept as null, regular checks happen. If it's * a boolean, this value is returned by the isKnown method. * @@ -4271,7 +4464,7 @@ class Title { // Use always content language to avoid loading hundreds of languages // to get the link color. global $wgContLang; - list( $name, $lang ) = MessageCache::singleton()->figureMessage( $wgContLang->lcfirst( $this->getText() ) ); + list( $name, ) = MessageCache::singleton()->figureMessage( $wgContLang->lcfirst( $this->getText() ) ); $message = wfMessage( $name )->inLanguage( $wgContLang )->useDatabase( false ); return $message->exists(); } @@ -4304,9 +4497,10 @@ class Title { /** * Updates page_touched for this page; called from LinksUpdate.php * - * @return Bool true if the update succeded + * @return Bool true if the update succeeded */ public function invalidateCache() { + global $wgMemc; if ( wfReadOnly() ) { return false; } @@ -4318,12 +4512,20 @@ class Title { __METHOD__ ); HTMLFileCache::clearFileCache( $this ); + + // Clear page info. + $revision = WikiPage::factory( $this )->getRevision(); + if( $revision !== null ) { + $memcKey = wfMemcKey( 'infoaction', $this->getPrefixedText(), $revision->getId() ); + $success = $success && $wgMemc->delete( $memcKey ); + } + return $success; } /** * Update page_touched timestamps and send squid purge messages for - * pages linking to this title. May be sent to the job queue depending + * pages linking to this title. May be sent to the job queue depending * on the number of links. Typically called on create and delete. */ public function touchLinks() { @@ -4389,14 +4591,14 @@ class Title { /** * Generate strings used for xml 'id' names in monobook tabs * - * @param $prepend string defaults to 'nstab-' + * @param string $prepend defaults to 'nstab-' * @return String XML 'id' name */ public function getNamespaceKey( $prepend = 'nstab-' ) { global $wgContLang; // Gets the subject namespace if this title $namespace = MWNamespace::getSubject( $this->getNamespace() ); - // Checks if cononical namespace name exists for namespace + // Checks if canonical namespace name exists for namespace if ( MWNamespace::exists( $this->getNamespace() ) ) { // Uses canonical namespace name $namespaceKey = MWNamespace::getCanonicalName( $namespace ); @@ -4420,7 +4622,7 @@ class Title { /** * Get all extant redirects to this Title * - * @param $ns Int|Null Single namespace to consider; NULL to consider all namespaces + * @param int|Null $ns Single namespace to consider; NULL to consider all namespaces * @return Array of Title redirects to this title */ public function getRedirectsHere( $ns = null ) { @@ -4462,7 +4664,7 @@ class Title { public function isValidRedirectTarget() { global $wgInvalidRedirectTargets; - // invalid redirect targets are stored in a global array, but explicity disallow Userlogout here + // invalid redirect targets are stored in a global array, but explicitly disallow Userlogout here if ( $this->isSpecial( 'Userlogout' ) ) { return false; } @@ -4506,7 +4708,7 @@ class Title { * prefix. This will be fed to Collation::getSortKey() to get a * binary sortkey that can be used for actual sorting. * - * @param $prefix string The prefix to be used, specified using + * @param string $prefix The prefix to be used, specified using * {{defaultsort:}} or like [[Category:Foo|prefix]]. Empty for no * prefix. * @return string @@ -4543,19 +4745,13 @@ class Title { if ( $this->isSpecialPage() ) { // special pages are in the user language return $wgLang; - } elseif ( $this->isCssOrJsPage() || $this->isCssJsSubpage() ) { - // css/js should always be LTR and is, in fact, English - return wfGetLangObj( 'en' ); - } elseif ( $this->getNamespace() == NS_MEDIAWIKI ) { - // Parse mediawiki messages with correct target language - list( /* $unused */, $lang ) = MessageCache::singleton()->figureMessage( $this->getText() ); - return wfGetLangObj( $lang ); } - global $wgContLang; - // If nothing special, it should be in the wiki content language - $pageLang = $wgContLang; - // Hook at the end because we don't want to override the above stuff - wfRunHooks( 'PageContentLanguage', array( $this, &$pageLang, $wgLang ) ); + + //TODO: use the LinkCache to cache this! Note that this may depend on user settings, so the cache should be only per-request. + //NOTE: ContentHandler::getPageLanguage() may need to load the content to determine the page language! + $contentHandler = ContentHandler::getForTitle( $this ); + $pageLang = $contentHandler->getPageLanguage( $this ); + return wfGetLangObj( $pageLang ); } @@ -4568,19 +4764,62 @@ class Title { * @return Language */ public function getPageViewLanguage() { - $pageLang = $this->getPageLanguage(); - // If this is nothing special (so the content is converted when viewed) - if ( !$this->isSpecialPage() - && !$this->isCssOrJsPage() && !$this->isCssJsSubpage() - && $this->getNamespace() !== NS_MEDIAWIKI - ) { + global $wgLang; + + if ( $this->isSpecialPage() ) { // If the user chooses a variant, the content is actually // in a language whose code is the variant code. - $variant = $pageLang->getPreferredVariant(); - if ( $pageLang->getCode() !== $variant ) { - $pageLang = Language::factory( $variant ); + $variant = $wgLang->getPreferredVariant(); + if ( $wgLang->getCode() !== $variant ) { + return Language::factory( $variant ); } + + return $wgLang; } + + //NOTE: can't be cached persistently, depends on user settings + //NOTE: ContentHandler::getPageViewLanguage() may need to load the content to determine the page language! + $contentHandler = ContentHandler::getForTitle( $this ); + $pageLang = $contentHandler->getPageViewLanguage( $this ); return $pageLang; } + + /** + * Get a list of rendered edit notices for this page. + * + * Array is keyed by the original message key, and values are rendered using parseAsBlock, so + * they will already be wrapped in paragraphs. + * + * @since 1.21 + * @return Array + */ + public function getEditNotices() { + $notices = array(); + + # Optional notices on a per-namespace and per-page basis + $editnotice_ns = 'editnotice-' . $this->getNamespace(); + $editnotice_ns_message = wfMessage( $editnotice_ns ); + if ( $editnotice_ns_message->exists() ) { + $notices[$editnotice_ns] = $editnotice_ns_message->parseAsBlock(); + } + if ( MWNamespace::hasSubpages( $this->getNamespace() ) ) { + $parts = explode( '/', $this->getDBkey() ); + $editnotice_base = $editnotice_ns; + while ( count( $parts ) > 0 ) { + $editnotice_base .= '-' . array_shift( $parts ); + $editnotice_base_msg = wfMessage( $editnotice_base ); + if ( $editnotice_base_msg->exists() ) { + $notices[$editnotice_base] = $editnotice_base_msg->parseAsBlock(); + } + } + } else { + # Even if there are no subpages in namespace, we still don't want / in MW ns. + $editnoticeText = $editnotice_ns . '-' . str_replace( '/', '-', $this->getDBkey() ); + $editnoticeMsg = wfMessage( $editnoticeText ); + if ( $editnoticeMsg->exists() ) { + $notices[$editnoticeText] = $editnoticeMsg->parseAsBlock(); + } + } + return $notices; + } } |