+ global $wgUser;
+ return ( $this->getUserPermissionsErrorsInternal( $action, $wgUser, $doExpensiveQueries ) === array());
+ }
+
+ /**
+ * Can $user perform $action on this page?
+ * @param string $action action that permission needs to be checked for
+ * @param bool $doExpensiveQueries Set this to false to avoid doing unnecessary queries.
+ * @return array Array of arrays of the arguments to wfMsg to explain permissions problems.
+ */
+ public function getUserPermissionsErrors( $action, $user, $doExpensiveQueries = true ) {
+ $errors = $this->getUserPermissionsErrorsInternal( $action, $user, $doExpensiveQueries );
+
+ global $wgContLang;
+ global $wgLang;
+
+ if ( wfReadOnly() && $action != 'read' ) {
+ global $wgReadOnly;
+ $errors[] = array( 'readonlytext', $wgReadOnly );
+ }
+
+ global $wgEmailConfirmToEdit, $wgUser;
+
+ if ( $wgEmailConfirmToEdit && !$wgUser->isEmailConfirmed() )
+ {
+ $errors[] = array( 'confirmedittext' );
+ }
+
+ if ( $user->isBlockedFrom( $this ) ) {
+ $block = $user->mBlock;
+
+ // This is from OutputPage::blockedPage
+ // Copied at r23888 by werdna
+
+ $id = $user->blockedBy();
+ $reason = $user->blockedFor();
+ $ip = wfGetIP();
+
+ if ( is_numeric( $id ) ) {
+ $name = User::whoIs( $id );
+ } else {
+ $name = $id;
+ }
+
+ $link = '[[' . $wgContLang->getNsText( NS_USER ) . ":{$name}|{$name}]]";
+ $blockid = $block->mId;
+ $blockExpiry = $user->mBlock->mExpiry;
+ $blockTimestamp = $wgLang->timeanddate( wfTimestamp( TS_MW, $wgUser->mBlock->mTimestamp ), true );
+
+ if ( $blockExpiry == 'infinity' ) {
+ // Entry in database (table ipblocks) is 'infinity' but 'ipboptions' uses 'infinite' or 'indefinite'
+ $scBlockExpiryOptions = wfMsg( 'ipboptions' );
+
+ foreach ( explode( ',', $scBlockExpiryOptions ) as $option ) {
+ if ( strpos( $option, ':' ) == false )
+ continue;
+
+ list ($show, $value) = explode( ":", $option );
+
+ if ( $value == 'infinite' || $value == 'indefinite' ) {
+ $blockExpiry = $show;
+ break;
+ }
+ }
+ } else {
+ $blockExpiry = $wgLang->timeanddate( wfTimestamp( TS_MW, $blockExpiry ), true );
+ }
+
+ $intended = $user->mBlock->mAddress;
+
+ $errors[] = array ( ($block->mAuto ? 'autoblockedtext' : 'blockedtext'), $link, $reason, $ip, $name, $blockid, $blockExpiry, $intended, $blockTimestamp );
+ }
+
+ return $errors;
+ }
+
+ /**
+ * Can $user perform $action on this page?
+ * This is an internal function, which checks ONLY that previously checked by userCan (i.e. it leaves out checks on wfReadOnly() and blocks)
+ * @param string $action action that permission needs to be checked for
+ * @param bool $doExpensiveQueries Set this to false to avoid doing unnecessary queries.
+ * @return array Array of arrays of the arguments to wfMsg to explain permissions problems.
+ */
+ private function getUserPermissionsErrorsInternal( $action, $user, $doExpensiveQueries = true ) {