mTitle (as well as $mArticle) is the
* page in the database that is actually being edited. These are
* usually the same, but they are now allowed to be different.
*/
class EditPage {
const AS_SUCCESS_UPDATE = 200;
const AS_SUCCESS_NEW_ARTICLE = 201;
const AS_HOOK_ERROR = 210;
const AS_FILTERING = 211;
const AS_HOOK_ERROR_EXPECTED = 212;
const AS_BLOCKED_PAGE_FOR_USER = 215;
const AS_CONTENT_TOO_BIG = 216;
const AS_USER_CANNOT_EDIT = 217;
const AS_READ_ONLY_PAGE_ANON = 218;
const AS_READ_ONLY_PAGE_LOGGED = 219;
const AS_READ_ONLY_PAGE = 220;
const AS_RATE_LIMITED = 221;
const AS_ARTICLE_WAS_DELETED = 222;
const AS_NO_CREATE_PERMISSION = 223;
const AS_BLANK_ARTICLE = 224;
const AS_CONFLICT_DETECTED = 225;
const AS_SUMMARY_NEEDED = 226;
const AS_TEXTBOX_EMPTY = 228;
const AS_MAX_ARTICLE_SIZE_EXCEEDED = 229;
const AS_OK = 230;
const AS_END = 231;
const AS_SPAM_ERROR = 232;
const AS_IMAGE_REDIRECT_ANON = 233;
const AS_IMAGE_REDIRECT_LOGGED = 234;
var $mArticle;
var $mTitle;
var $action;
var $mMetaData = '';
var $isConflict = false;
var $isCssJsSubpage = false;
var $isCssSubpage = false;
var $isJsSubpage = false;
var $deletedSinceEdit = false;
var $formtype;
var $firsttime;
var $lastDelete;
var $mTokenOk = false;
var $mTokenOkExceptSuffix = false;
var $mTriedSave = false;
var $tooBig = false;
var $kblength = false;
var $missingComment = false;
var $missingSummary = false;
var $allowBlankSummary = false;
var $autoSumm = '';
var $hookError = '';
#var $mPreviewTemplates;
var $mParserOutput;
var $mBaseRevision = false;
var $mShowSummaryField = true;
# Form values
var $save = false, $preview = false, $diff = false;
var $minoredit = false, $watchthis = false, $recreate = false;
var $textbox1 = '', $textbox2 = '', $summary = '';
var $edittime = '', $section = '', $starttime = '';
var $oldid = 0, $editintro = '', $scrolltop = null;
# Placeholders for text injection by hooks (must be HTML)
# extensions should take care to _append_ to the present value
public $editFormPageTop; // Before even the preview
public $editFormTextTop;
public $editFormTextBeforeContent;
public $editFormTextAfterWarn;
public $editFormTextAfterTools;
public $editFormTextBottom;
public $editFormTextAfterContent;
public $previewTextAfterContent;
/* $didSave should be set to true whenever an article was succesfully altered. */
public $didSave = false;
public $undidRev = 0;
public $suppressIntro = false;
/**
* @todo document
* @param $article
*/
function EditPage( $article ) {
$this->mArticle =& $article;
$this->mTitle = $article->getTitle();
$this->action = 'submit';
# Placeholders for text injection by hooks (empty per default)
$this->editFormPageTop =
$this->editFormTextTop =
$this->editFormTextBeforeContent =
$this->editFormTextAfterWarn =
$this->editFormTextAfterTools =
$this->editFormTextBottom =
$this->editFormTextAfterContent =
$this->previewTextAfterContent =
$this->mPreloadText = "";
}
function getArticle() {
return $this->mArticle;
}
/**
* Fetch initial editing page content.
* @private
*/
function getContent( $def_text = '' ) {
global $wgOut, $wgRequest, $wgParser, $wgContLang, $wgMessageCache;
wfProfileIn( __METHOD__ );
# Get variables from query string :P
$section = $wgRequest->getVal( 'section' );
$preload = $wgRequest->getVal( 'preload' );
$undoafter = $wgRequest->getVal( 'undoafter' );
$undo = $wgRequest->getVal( 'undo' );
$text = '';
// For message page not locally set, use the i18n message.
// For other non-existent articles, use preload text if any.
if ( !$this->mTitle->exists() ) {
if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
# If this is a system message, get the default text.
list( $message, $lang ) = $wgMessageCache->figureMessage( $wgContLang->lcfirst( $this->mTitle->getText() ) );
$wgMessageCache->loadAllMessages( $lang );
$text = wfMsgGetKey( $message, false, $lang, false );
if( wfEmptyMsg( $message, $text ) )
$text = $this->getPreloadedText( $preload );
} else {
# If requested, preload some text.
$text = $this->getPreloadedText( $preload );
}
// For existing pages, get text based on "undo" or section parameters.
} else {
$text = $this->mArticle->getContent();
if ( $undo > 0 && $undoafter > 0 && $undo < $undoafter ) {
# If they got undoafter and undo round the wrong way, switch them
list( $undo, $undoafter ) = array( $undoafter, $undo );
}
if ( $undo > 0 && $undo > $undoafter ) {
# Undoing a specific edit overrides section editing; section-editing
# doesn't work with undoing.
if ( $undoafter ) {
$undorev = Revision::newFromId( $undo );
$oldrev = Revision::newFromId( $undoafter );
} else {
$undorev = Revision::newFromId( $undo );
$oldrev = $undorev ? $undorev->getPrevious() : null;
}
# Sanity check, make sure it's the right page,
# the revisions exist and they were not deleted.
# Otherwise, $text will be left as-is.
if ( !is_null( $undorev ) && !is_null( $oldrev ) &&
$undorev->getPage() == $oldrev->getPage() &&
$undorev->getPage() == $this->mArticle->getID() &&
!$undorev->isDeleted( Revision::DELETED_TEXT ) &&
!$oldrev->isDeleted( Revision::DELETED_TEXT ) ) {
$undotext = $this->mArticle->getUndoText( $undorev, $oldrev );
if ( $undotext === false ) {
# Warn the user that something went wrong
$this->editFormPageTop .= $wgOut->parse( '
' . wfMsgNoTrans( 'undo-failure' ) . '
' );
} else {
$text = $undotext;
# Inform the user of our success and set an automatic edit summary
$this->editFormPageTop .= $wgOut->parse( '
' . wfMsgNoTrans( 'undo-success' ) . '
' );
$firstrev = $oldrev->getNext();
# If we just undid one rev, use an autosummary
if ( $firstrev->mId == $undo ) {
$this->summary = wfMsgForContent( 'undo-summary', $undo, $undorev->getUserText() );
$this->undidRev = $undo;
}
$this->formtype = 'diff';
}
} else {
// Failed basic sanity checks.
// Older revisions may have been removed since the link
// was created, or we may simply have got bogus input.
$this->editFormPageTop .= $wgOut->parse( '
' . wfMsgNoTrans( 'undo-norev' ) . '
' );
}
} else if ( $section != '' ) {
if ( $section == 'new' ) {
$text = $this->getPreloadedText( $preload );
} else {
$text = $wgParser->getSection( $text, $section, $def_text );
}
}
}
wfProfileOut( __METHOD__ );
return $text;
}
/** Use this method before edit() to preload some text into the edit box */
public function setPreloadedText( $text ) {
$this->mPreloadText = $text;
}
/**
* Get the contents of a page from its title and remove includeonly tags
*
* @param $preload String: the title of the page.
* @return string The contents of the page.
*/
protected function getPreloadedText( $preload ) {
if ( !empty( $this->mPreloadText ) ) {
return $this->mPreloadText;
} elseif ( $preload === '' ) {
return '';
} else {
$preloadTitle = Title::newFromText( $preload );
if ( isset( $preloadTitle ) && $preloadTitle->userCanRead() ) {
$rev = Revision::newFromTitle( $preloadTitle );
if ( is_object( $rev ) ) {
$text = $rev->getText();
// TODO FIXME: AAAAAAAAAAA, this shouldn't be implementing
// its own mini-parser! -ævar
$text = preg_replace( '~~', '', $text );
return $text;
} else
return '';
}
}
}
/**
* This is the function that extracts metadata from the article body on the first view.
* To turn the feature on, set $wgUseMetadataEdit = true ; in LocalSettings
* and set $wgMetadataWhitelist to the *full* title of the template whitelist
*/
function extractMetaDataFromArticle () {
global $wgUseMetadataEdit, $wgMetadataWhitelist, $wgContLang;
$this->mMetaData = '';
if ( !$wgUseMetadataEdit ) return;
if ( $wgMetadataWhitelist == '' ) return;
$s = '';
$t = $this->getContent();
# MISSING : filtering
# Categories and language links
$t = explode( "\n" , $t );
$catlow = strtolower( $wgContLang->getNsText( NS_CATEGORY ) );
$cat = $ll = array();
foreach ( $t as $key => $x ) {
$y = trim( strtolower ( $x ) );
while ( substr( $y , 0 , 2 ) == '[[' ) {
$y = explode( ']]' , trim ( $x ) );
$first = array_shift( $y );
$first = explode( ':' , $first );
$ns = array_shift( $first );
$ns = trim( str_replace( '[' , '' , $ns ) );
if ( $wgContLang->getLanguageName( $ns ) || strtolower( $ns ) == $catlow ) {
$add = '[[' . $ns . ':' . implode( ':' , $first ) . ']]';
if ( strtolower( $ns ) == $catlow ) $cat[] = $add;
else $ll[] = $add;
$x = implode( ']]', $y );
$t[$key] = $x;
$y = trim( strtolower( $x ) );
} else {
$x = implode( ']]' , $y );
$y = trim( strtolower( $x ) );
}
}
}
if ( count( $cat ) ) $s .= implode( ' ' , $cat ) . "\n";
if ( count( $ll ) ) $s .= implode( ' ' , $ll ) . "\n";
$t = implode( "\n" , $t );
# Load whitelist
$sat = array () ; # stand-alone-templates; must be lowercase
$wl_title = Title::newFromText( $wgMetadataWhitelist );
$wl_article = new Article ( $wl_title );
$wl = explode ( "\n" , $wl_article->getContent() );
foreach ( $wl AS $x ) {
$isentry = false;
$x = trim ( $x );
while ( substr ( $x , 0 , 1 ) == '*' ) {
$isentry = true;
$x = trim ( substr ( $x , 1 ) );
}
if ( $isentry ) {
$sat[] = strtolower ( $x );
}
}
# Templates, but only some
$t = explode( '{{' , $t );
$tl = array() ;
foreach ( $t as $key => $x ) {
$y = explode( '}}' , $x , 2 );
if ( count( $y ) == 2 ) {
$z = $y[0];
$z = explode( '|' , $z );
$tn = array_shift( $z );
if ( in_array( strtolower( $tn ) , $sat ) ) {
$tl[] = '{{' . $y[0] . '}}';
$t[$key] = $y[1];
$y = explode( '}}' , $y[1] , 2 );
}
else $t[$key] = '{{' . $x;
}
else if ( $key != 0 ) $t[$key] = '{{' . $x;
else $t[$key] = $x;
}
if ( count( $tl ) ) $s .= implode( ' ' , $tl );
$t = implode( '' , $t );
$t = str_replace( "\n\n\n", "\n", $t );
$this->mArticle->mContent = $t;
$this->mMetaData = $s;
}
/*
* Check if a page was deleted while the user was editing it, before submit.
* Note that we rely on the logging table, which hasn't been always there,
* but that doesn't matter, because this only applies to brand new
* deletes.
*/
protected function wasDeletedSinceLastEdit() {
if ( $this->deletedSinceEdit )
return true;
if ( $this->mTitle->isDeletedQuick() ) {
$this->lastDelete = $this->getLastDelete();
if ( $this->lastDelete ) {
$deleteTime = wfTimestamp( TS_MW, $this->lastDelete->log_timestamp );
if ( $deleteTime > $this->starttime ) {
$this->deletedSinceEdit = true;
}
}
}
return $this->deletedSinceEdit;
}
function submit() {
$this->edit();
}
/**
* This is the function that gets called for "action=edit". It
* sets up various member variables, then passes execution to
* another function, usually showEditForm()
*
* The edit form is self-submitting, so that when things like
* preview and edit conflicts occur, we get the same form back
* with the extra stuff added. Only when the final submission
* is made and all is well do we actually save and redirect to
* the newly-edited page.
*/
function edit() {
global $wgOut, $wgRequest;
// Allow extensions to modify/prevent this form or submission
if ( !wfRunHooks( 'AlternateEdit', array( $this ) ) ) {
return;
}
wfProfileIn( __METHOD__ );
wfDebug( __METHOD__.": enter\n" );
// This is not an article
$wgOut->setArticleFlag( false );
$this->importFormData( $wgRequest );
$this->firsttime = false;
if ( $this->live ) {
$this->livePreview();
wfProfileOut( __METHOD__ );
return;
}
if ( wfReadOnly() && $this->save ) {
// Force preview
$this->save = false;
$this->preview = true;
}
$wgOut->addScriptFile( 'edit.js' );
$permErrors = $this->getEditPermissionErrors();
if ( $permErrors ) {
wfDebug( __METHOD__ . ": User can't edit\n" );
$this->readOnlyPage( $this->getContent(), true, $permErrors, 'edit' );
wfProfileOut( __METHOD__ );
return;
} else {
if ( $this->save ) {
$this->formtype = 'save';
} else if ( $this->preview ) {
$this->formtype = 'preview';
} else if ( $this->diff ) {
$this->formtype = 'diff';
} else { # First time through
$this->firsttime = true;
if ( $this->previewOnOpen() ) {
$this->formtype = 'preview';
} else {
$this->extractMetaDataFromArticle () ;
$this->formtype = 'initial';
}
}
}
// If they used redlink=1 and the page exists, redirect to the main article
if ( $wgRequest->getBool( 'redlink' ) && $this->mTitle->exists() ) {
$wgOut->redirect( $this->mTitle->getFullURL() );
}
wfProfileIn( __METHOD__."-business-end" );
$this->isConflict = false;
// css / js subpages of user pages get a special treatment
$this->isCssJsSubpage = $this->mTitle->isCssJsSubpage();
$this->isCssSubpage = $this->mTitle->isCssSubpage();
$this->isJsSubpage = $this->mTitle->isJsSubpage();
$this->isValidCssJsSubpage = $this->mTitle->isValidCssJsSubpage();
# Show applicable editing introductions
if ( $this->formtype == 'initial' || $this->firsttime )
$this->showIntro();
if ( $this->mTitle->isTalkPage() ) {
$wgOut->addWikiMsg( 'talkpagetext' );
}
# Optional notices on a per-namespace and per-page basis
$editnotice_ns = 'editnotice-'.$this->mTitle->getNamespace();
if ( !wfEmptyMsg( $editnotice_ns, wfMsgForContent( $editnotice_ns ) ) ) {
$wgOut->addWikiText( wfMsgForContent( $editnotice_ns ) );
}
if ( MWNamespace::hasSubpages( $this->mTitle->getNamespace() ) ) {
$parts = explode( '/', $this->mTitle->getDBkey() );
$editnotice_base = $editnotice_ns;
while ( count( $parts ) > 0 ) {
$editnotice_base .= '-'.array_shift( $parts );
if ( !wfEmptyMsg( $editnotice_base, wfMsgForContent( $editnotice_base ) ) ) {
$wgOut->addWikiText( wfMsgForContent( $editnotice_base ) );
}
}
}
# Attempt submission here. This will check for edit conflicts,
# and redundantly check for locked database, blocked IPs, etc.
# that edit() already checked just in case someone tries to sneak
# in the back door with a hand-edited submission URL.
if ( 'save' == $this->formtype ) {
if ( !$this->attemptSave() ) {
wfProfileOut( __METHOD__."-business-end" );
wfProfileOut( __METHOD__ );
return;
}
}
# First time through: get contents, set time for conflict
# checking, etc.
if ( 'initial' == $this->formtype || $this->firsttime ) {
if ( $this->initialiseForm() === false ) {
$this->noSuchSectionPage();
wfProfileOut( __METHOD__."-business-end" );
wfProfileOut( __METHOD__ );
return;
}
if ( !$this->mTitle->getArticleId() )
wfRunHooks( 'EditFormPreloadText', array( &$this->textbox1, &$this->mTitle ) );
}
$this->showEditForm();
wfProfileOut( __METHOD__."-business-end" );
wfProfileOut( __METHOD__ );
}
protected function getEditPermissionErrors() {
global $wgUser;
$permErrors = $this->mTitle->getUserPermissionsErrors( 'edit', $wgUser );
# Can this title be created?
if ( !$this->mTitle->exists() ) {
$permErrors = array_merge( $permErrors,
wfArrayDiff2( $this->mTitle->getUserPermissionsErrors( 'create', $wgUser ), $permErrors ) );
}
# Ignore some permissions errors when a user is just previewing/viewing diffs
$remove = array();
foreach( $permErrors as $error ) {
if ( ( $this->preview || $this->diff ) &&
( $error[0] == 'blockedtext' || $error[0] == 'autoblockedtext' ) )
{
$remove[] = $error;
}
}
$permErrors = wfArrayDiff2( $permErrors, $remove );
return $permErrors;
}
/**
* Show a read-only error
* Parameters are the same as OutputPage:readOnlyPage()
* Redirect to the article page if redlink=1
*/
function readOnlyPage( $source = null, $protected = false, $reasons = array(), $action = null ) {
global $wgRequest, $wgOut;
if ( $wgRequest->getBool( 'redlink' ) ) {
// The edit page was reached via a red link.
// Redirect to the article page and let them click the edit tab if
// they really want a permission error.
$wgOut->redirect( $this->mTitle->getFullUrl() );
} else {
$wgOut->readOnlyPage( $source, $protected, $reasons, $action );
}
}
/**
* Should we show a preview when the edit form is first shown?
*
* @return bool
*/
protected function previewOnOpen() {
global $wgRequest, $wgUser;
if ( $wgRequest->getVal( 'preview' ) == 'yes' ) {
// Explicit override from request
return true;
} elseif ( $wgRequest->getVal( 'preview' ) == 'no' ) {
// Explicit override from request
return false;
} elseif ( $this->section == 'new' ) {
// Nothing *to* preview for new sections
return false;
} elseif ( ( $wgRequest->getVal( 'preload' ) !== null || $this->mTitle->exists() ) && $wgUser->getOption( 'previewonfirst' ) ) {
// Standard preference behaviour
return true;
} elseif ( !$this->mTitle->exists() && $this->mTitle->getNamespace() == NS_CATEGORY ) {
// Categories are special
return true;
} else {
return false;
}
}
/**
* Does this EditPage class support section editing?
* This is used by EditPage subclasses to indicate their ui cannot handle section edits
*
* @return bool
*/
protected function isSectionEditSupported() {
return true;
}
/**
* Returns the URL to use in the form's action attribute.
* This is used by EditPage subclasses when simply customizing the action
* variable in the constructor is not enough. This can be used when the
* EditPage lives inside of a Special page rather than a custom page action.
*
* @param Title $title The title for which is being edited (where we go to for &action= links)
* @return string
*/
protected function getActionURL( Title $title ) {
return $title->getLocalURL( array( 'action' => $this->action ) );
}
/**
* @todo document
* @param $request
*/
function importFormData( &$request ) {
global $wgLang, $wgUser;
wfProfileIn( __METHOD__ );
# Section edit can come from either the form or a link
$this->section = $request->getVal( 'wpSection', $request->getVal( 'section' ) );
if ( $request->wasPosted() ) {
# These fields need to be checked for encoding.
# Also remove trailing whitespace, but don't remove _initial_
# whitespace from the text boxes. This may be significant formatting.
$this->textbox1 = $this->safeUnicodeInput( $request, 'wpTextbox1' );
if ( !$request->getCheck('wpTextbox2') ) {
// Skip this if wpTextbox2 has input, it indicates that we came
// from a conflict page with raw page text, not a custom form
// modified by subclasses
wfProfileIn( get_class($this)."::importContentFormData" );
$textbox1 = $this->importContentFormData( $request );
if ( isset($textbox1) )
$this->textbox1 = $textbox1;
wfProfileOut( get_class($this)."::importContentFormData" );
}
$this->mMetaData = rtrim( $request->getText( 'metadata' ) );
# Truncate for whole multibyte characters. +5 bytes for ellipsis
$this->summary = $wgLang->truncate( $request->getText( 'wpSummary' ), 250, '' );
# Remove extra headings from summaries and new sections.
$this->summary = preg_replace('/^\s*=+\s*(.*?)\s*=+\s*$/', '$1', $this->summary);
$this->edittime = $request->getVal( 'wpEdittime' );
$this->starttime = $request->getVal( 'wpStarttime' );
$this->scrolltop = $request->getIntOrNull( 'wpScrolltop' );
if ( is_null( $this->edittime ) ) {
# If the form is incomplete, force to preview.
wfDebug( __METHOD__ . ": Form data appears to be incomplete\n" );
wfDebug( "POST DATA: " . var_export( $_POST, true ) . "\n" );
$this->preview = true;
} else {
/* Fallback for live preview */
$this->preview = $request->getCheck( 'wpPreview' ) || $request->getCheck( 'wpLivePreview' );
$this->diff = $request->getCheck( 'wpDiff' );
// Remember whether a save was requested, so we can indicate
// if we forced preview due to session failure.
$this->mTriedSave = !$this->preview;
if ( $this->tokenOk( $request ) ) {
# Some browsers will not report any submit button
# if the user hits enter in the comment box.
# The unmarked state will be assumed to be a save,
# if the form seems otherwise complete.
wfDebug( __METHOD__ . ": Passed token check.\n" );
} else if ( $this->diff ) {
# Failed token check, but only requested "Show Changes".
wfDebug( __METHOD__ . ": Failed token check; Show Changes requested.\n" );
} else {
# Page might be a hack attempt posted from
# an external site. Preview instead of saving.
wfDebug( __METHOD__ . ": Failed token check; forcing preview\n" );
$this->preview = true;
}
}
$this->save = !$this->preview && !$this->diff;
if ( !preg_match( '/^\d{14}$/', $this->edittime ) ) {
$this->edittime = null;
}
if ( !preg_match( '/^\d{14}$/', $this->starttime ) ) {
$this->starttime = null;
}
$this->recreate = $request->getCheck( 'wpRecreate' );
$this->minoredit = $request->getCheck( 'wpMinoredit' );
$this->watchthis = $request->getCheck( 'wpWatchthis' );
# Don't force edit summaries when a user is editing their own user or talk page
if ( ( $this->mTitle->mNamespace == NS_USER || $this->mTitle->mNamespace == NS_USER_TALK ) &&
$this->mTitle->getText() == $wgUser->getName() )
{
$this->allowBlankSummary = true;
} else {
$this->allowBlankSummary = $request->getBool( 'wpIgnoreBlankSummary' ) || !$wgUser->getOption( 'forceeditsummary');
}
$this->autoSumm = $request->getText( 'wpAutoSummary' );
} else {
# Not a posted form? Start with nothing.
wfDebug( __METHOD__ . ": Not a posted form.\n" );
$this->textbox1 = '';
$this->mMetaData = '';
$this->summary = '';
$this->edittime = '';
$this->starttime = wfTimestampNow();
$this->edit = false;
$this->preview = false;
$this->save = false;
$this->diff = false;
$this->minoredit = false;
$this->watchthis = false;
$this->recreate = false;
if ( $this->section == 'new' && $request->getVal( 'preloadtitle' ) ) {
$this->summary = $request->getVal( 'preloadtitle' );
}
elseif ( $this->section != 'new' && $request->getVal( 'summary' ) ) {
$this->summary = $request->getText( 'summary' );
}
if ( $request->getVal( 'minor' ) ) {
$this->minoredit = true;
}
}
// FIXME: unused variable?
$this->oldid = $request->getInt( 'oldid' );
$this->live = $request->getCheck( 'live' );
$this->editintro = $request->getText( 'editintro' );
wfProfileOut( __METHOD__ );
// Allow extensions to modify form data
wfRunHooks( 'EditPage::importFormData', array( $this, $request ) );
}
/**
* Subpage overridable method for extracting the page content data from the
* posted form to be placed in $this->textbox1, if using customized input
* this method should be overrided and return the page text that will be used
* for saving, preview parsing and so on...
*
* @praram WebRequest $request
*/
protected function importContentFormData( &$request ) {
return; // Don't do anything, EditPage already extracted wpTextbox1
}
/**
* Make sure the form isn't faking a user's credentials.
*
* @param $request WebRequest
* @return bool
* @private
*/
function tokenOk( &$request ) {
global $wgUser;
$token = $request->getVal( 'wpEditToken' );
$this->mTokenOk = $wgUser->matchEditToken( $token );
$this->mTokenOkExceptSuffix = $wgUser->matchEditTokenNoSuffix( $token );
return $this->mTokenOk;
}
/**
* Show all applicable editing introductions
*/
protected function showIntro() {
global $wgOut, $wgUser;
if ( $this->suppressIntro ) {
return;
}
$namespace = $this->mTitle->getNamespace();
if ( $namespace == NS_MEDIAWIKI ) {
# Show a warning if editing an interface message
$wgOut->wrapWikiMsg( "
\n$1
", 'editinginterface' );
}
# Show a warning message when someone creates/edits a user (talk) page but the user does not exists
if ( $namespace == NS_USER || $namespace == NS_USER_TALK ) {
$parts = explode( '/', $this->mTitle->getText(), 2 );
$username = $parts[0];
$id = User::idFromName( $username );
$ip = User::isIP( $username );
if ( $id == 0 && !$ip ) {
$wgOut->wrapWikiMsg( '
$1
',
array( 'userpage-userdoesnotexist', $username ) );
}
}
# Try to add a custom edit intro, or use the standard one if this is not possible.
if ( !$this->showCustomIntro() && !$this->mTitle->exists() ) {
if ( $wgUser->isLoggedIn() ) {
$wgOut->wrapWikiMsg( '
', 'newarticletextanon' );
}
}
# Give a notice if the user is editing a deleted/moved page...
if ( !$this->mTitle->exists() ) {
LogEventsList::showLogExtract( $wgOut, array( 'delete', 'move' ), $this->mTitle->getPrefixedText(),
'', array( 'lim' => 10,
'conds' => array( "log_action != 'revision'" ),
'showIfEmpty' => false,
'msgKey' => array( 'recreate-moveddeleted-warn') )
);
}
}
/**
* Attempt to show a custom editing introduction, if supplied
*
* @return bool
*/
protected function showCustomIntro() {
if ( $this->editintro ) {
$title = Title::newFromText( $this->editintro );
if ( $title instanceof Title && $title->exists() && $title->userCanRead() ) {
global $wgOut;
$revision = Revision::newFromTitle( $title );
$wgOut->addWikiTextTitleTidy( $revision->getText(), $this->mTitle );
return true;
} else {
return false;
}
} else {
return false;
}
}
/**
* Attempt submission (no UI)
* @return one of the constants describing the result
*/
function internalAttemptSave( &$result, $bot = false ) {
global $wgFilterCallback, $wgUser, $wgOut, $wgParser;
global $wgMaxArticleSize;
wfProfileIn( __METHOD__ );
wfProfileIn( __METHOD__ . '-checks' );
if ( !wfRunHooks( 'EditPage::attemptSave', array( $this ) ) )
{
wfDebug( "Hook 'EditPage::attemptSave' aborted article saving\n" );
return self::AS_HOOK_ERROR;
}
# Check image redirect
if ( $this->mTitle->getNamespace() == NS_FILE &&
Title::newFromRedirect( $this->textbox1 ) instanceof Title &&
!$wgUser->isAllowed( 'upload' ) ) {
if ( $wgUser->isAnon() ) {
return self::AS_IMAGE_REDIRECT_ANON;
} else {
return self::AS_IMAGE_REDIRECT_LOGGED;
}
}
# Reintegrate metadata
if ( $this->mMetaData != '' ) $this->textbox1 .= "\n" . $this->mMetaData ;
$this->mMetaData = '' ;
# Check for spam
$match = self::matchSummarySpamRegex( $this->summary );
if ( $match === false ) {
$match = self::matchSpamRegex( $this->textbox1 );
}
if ( $match !== false ) {
$result['spam'] = $match;
$ip = wfGetIP();
$pdbk = $this->mTitle->getPrefixedDBkey();
$match = str_replace( "\n", '', $match );
wfDebugLog( 'SpamRegex', "$ip spam regex hit [[$pdbk]]: \"$match\"" );
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return self::AS_SPAM_ERROR;
}
if ( $wgFilterCallback && $wgFilterCallback( $this->mTitle, $this->textbox1, $this->section, $this->hookError, $this->summary ) ) {
# Error messages or other handling should be performed by the filter function
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return self::AS_FILTERING;
}
if ( !wfRunHooks( 'EditFilter', array( $this, $this->textbox1, $this->section, &$this->hookError, $this->summary ) ) ) {
# Error messages etc. could be handled within the hook...
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return self::AS_HOOK_ERROR;
} elseif ( $this->hookError != '' ) {
# ...or the hook could be expecting us to produce an error
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return self::AS_HOOK_ERROR_EXPECTED;
}
if ( $wgUser->isBlockedFrom( $this->mTitle, false ) ) {
# Check block state against master, thus 'false'.
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return self::AS_BLOCKED_PAGE_FOR_USER;
}
$this->kblength = (int)( strlen( $this->textbox1 ) / 1024 );
if ( $this->kblength > $wgMaxArticleSize ) {
// Error will be displayed by showEditForm()
$this->tooBig = true;
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return self::AS_CONTENT_TOO_BIG;
}
if ( !$wgUser->isAllowed( 'edit' ) ) {
if ( $wgUser->isAnon() ) {
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return self::AS_READ_ONLY_PAGE_ANON;
} else {
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return self::AS_READ_ONLY_PAGE_LOGGED;
}
}
if ( wfReadOnly() ) {
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return self::AS_READ_ONLY_PAGE;
}
if ( $wgUser->pingLimiter() ) {
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return self::AS_RATE_LIMITED;
}
# If the article has been deleted while editing, don't save it without
# confirmation
if ( $this->wasDeletedSinceLastEdit() && !$this->recreate ) {
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return self::AS_ARTICLE_WAS_DELETED;
}
wfProfileOut( __METHOD__ . '-checks' );
# If article is new, insert it.
$aid = $this->mTitle->getArticleID( GAID_FOR_UPDATE );
if ( 0 == $aid ) {
// Late check for create permission, just in case *PARANOIA*
if ( !$this->mTitle->userCan( 'create' ) ) {
wfDebug( __METHOD__ . ": no create permission\n" );
wfProfileOut( __METHOD__ );
return self::AS_NO_CREATE_PERMISSION;
}
# Don't save a new article if it's blank.
if ( '' == $this->textbox1 ) {
wfProfileOut( __METHOD__ );
return self::AS_BLANK_ARTICLE;
}
// Run post-section-merge edit filter
if ( !wfRunHooks( 'EditFilterMerged', array( $this, $this->textbox1, &$this->hookError, $this->summary ) ) ) {
# Error messages etc. could be handled within the hook...
wfProfileOut( __METHOD__ );
return self::AS_HOOK_ERROR;
} elseif ( $this->hookError != '' ) {
# ...or the hook could be expecting us to produce an error
wfProfileOut( __METHOD__ );
return self::AS_HOOK_ERROR_EXPECTED;
}
# Handle the user preference to force summaries here. Check if it's not a redirect.
if ( !$this->allowBlankSummary && !Title::newFromRedirect( $this->textbox1 ) ) {
if ( md5( $this->summary ) == $this->autoSumm ) {
$this->missingSummary = true;
wfProfileOut( __METHOD__ );
return self::AS_SUMMARY_NEEDED;
}
}
$isComment = ( $this->section == 'new' );
$this->mArticle->insertNewArticle( $this->textbox1, $this->summary,
$this->minoredit, $this->watchthis, false, $isComment, $bot );
wfProfileOut( __METHOD__ );
return self::AS_SUCCESS_NEW_ARTICLE;
}
# Article exists. Check for edit conflict.
$this->mArticle->clear(); # Force reload of dates, etc.
$this->mArticle->forUpdate( true ); # Lock the article
wfDebug( "timestamp: {$this->mArticle->getTimestamp()}, edittime: {$this->edittime}\n" );
if ( $this->mArticle->getTimestamp() != $this->edittime ) {
$this->isConflict = true;
if ( $this->section == 'new' ) {
if ( $this->mArticle->getUserText() == $wgUser->getName() &&
$this->mArticle->getComment() == $this->summary ) {
// Probably a duplicate submission of a new comment.
// This can happen when squid resends a request after
// a timeout but the first one actually went through.
wfDebug( __METHOD__ . ": duplicate new section submission; trigger edit conflict!\n" );
} else {
// New comment; suppress conflict.
$this->isConflict = false;
wfDebug( __METHOD__ .": conflict suppressed; new section\n" );
}
}
}
$userid = $wgUser->getId();
# Suppress edit conflict with self, except for section edits where merging is required.
if ( $this->isConflict && $this->section == '' && $this->userWasLastToEdit( $userid, $this->edittime ) ) {
wfDebug( __METHOD__ . ": Suppressing edit conflict, same user.\n" );
$this->isConflict = false;
}
if ( $this->isConflict ) {
wfDebug( __METHOD__ . ": conflict! getting section '$this->section' for time '$this->edittime' (article time '" .
$this->mArticle->getTimestamp() . "')\n" );
$text = $this->mArticle->replaceSection( $this->section, $this->textbox1, $this->summary, $this->edittime );
} else {
wfDebug( __METHOD__ . ": getting section '$this->section'\n" );
$text = $this->mArticle->replaceSection( $this->section, $this->textbox1, $this->summary );
}
if ( is_null( $text ) ) {
wfDebug( __METHOD__ . ": activating conflict; section replace failed.\n" );
$this->isConflict = true;
$text = $this->textbox1; // do not try to merge here!
} else if ( $this->isConflict ) {
# Attempt merge
if ( $this->mergeChangesInto( $text ) ) {
// Successful merge! Maybe we should tell the user the good news?
$this->isConflict = false;
wfDebug( __METHOD__ . ": Suppressing edit conflict, successful merge.\n" );
} else {
$this->section = '';
$this->textbox1 = $text;
wfDebug( __METHOD__ . ": Keeping edit conflict, failed merge.\n" );
}
}
if ( $this->isConflict ) {
wfProfileOut( __METHOD__ );
return self::AS_CONFLICT_DETECTED;
}
$oldtext = $this->mArticle->getContent();
// Run post-section-merge edit filter
if ( !wfRunHooks( 'EditFilterMerged', array( $this, $text, &$this->hookError, $this->summary ) ) ) {
# Error messages etc. could be handled within the hook...
wfProfileOut( __METHOD__ );
return self::AS_HOOK_ERROR;
} elseif ( $this->hookError != '' ) {
# ...or the hook could be expecting us to produce an error
wfProfileOut( __METHOD__ );
return self::AS_HOOK_ERROR_EXPECTED;
}
# Handle the user preference to force summaries here, but not for null edits
if ( $this->section != 'new' && !$this->allowBlankSummary && 0 != strcmp( $oldtext, $text )
&& !Title::newFromRedirect( $text ) ) # check if it's not a redirect
{
if ( md5( $this->summary ) == $this->autoSumm ) {
$this->missingSummary = true;
wfProfileOut( __METHOD__ );
return self::AS_SUMMARY_NEEDED;
}
}
# And a similar thing for new sections
if ( $this->section == 'new' && !$this->allowBlankSummary ) {
if ( trim( $this->summary ) == '' ) {
$this->missingSummary = true;
wfProfileOut( __METHOD__ );
return self::AS_SUMMARY_NEEDED;
}
}
# All's well
wfProfileIn( __METHOD__ . '-sectionanchor' );
$sectionanchor = '';
if ( $this->section == 'new' ) {
if ( $this->textbox1 == '' ) {
$this->missingComment = true;
wfProfileOut( __METHOD__ . '-sectionanchor' );
wfProfileOut( __METHOD__ );
return self::AS_TEXTBOX_EMPTY;
}
if ( $this->summary != '' ) {
$sectionanchor = $wgParser->guessSectionNameFromWikiText( $this->summary );
# This is a new section, so create a link to the new section
# in the revision summary.
$cleanSummary = $wgParser->stripSectionName( $this->summary );
$this->summary = wfMsgForContent( 'newsectionsummary', $cleanSummary );
}
} elseif ( $this->section != '' ) {
# Try to get a section anchor from the section source, redirect to edited section if header found
# XXX: might be better to integrate this into Article::replaceSection
# for duplicate heading checking and maybe parsing
$hasmatch = preg_match( "/^ *([=]{1,6})(.*?)(\\1) *\\n/i", $this->textbox1, $matches );
# we can't deal with anchors, includes, html etc in the header for now,
# headline would need to be parsed to improve this
if ( $hasmatch and strlen( $matches[2] ) > 0 ) {
$sectionanchor = $wgParser->guessSectionNameFromWikiText( $matches[2] );
}
}
wfProfileOut( __METHOD__ . '-sectionanchor' );
// Save errors may fall down to the edit form, but we've now
// merged the section into full text. Clear the section field
// so that later submission of conflict forms won't try to
// replace that into a duplicated mess.
$this->textbox1 = $text;
$this->section = '';
// Check for length errors again now that the section is merged in
$this->kblength = (int)( strlen( $text ) / 1024 );
if ( $this->kblength > $wgMaxArticleSize ) {
$this->tooBig = true;
wfProfileOut( __METHOD__ );
return self::AS_MAX_ARTICLE_SIZE_EXCEEDED;
}
# update the article here
if ( $this->mArticle->updateArticle( $text, $this->summary, $this->minoredit,
$this->watchthis, $bot, $sectionanchor ) )
{
wfProfileOut( __METHOD__ );
return self::AS_SUCCESS_UPDATE;
} else {
$this->isConflict = true;
}
wfProfileOut( __METHOD__ );
return self::AS_END;
}
/**
* Check if no edits were made by other users since
* the time a user started editing the page. Limit to
* 50 revisions for the sake of performance.
*/
protected function userWasLastToEdit( $id, $edittime ) {
if( !$id ) return false;
$dbw = wfGetDB( DB_MASTER );
$res = $dbw->select( 'revision',
'rev_user',
array(
'rev_page' => $this->mArticle->getId(),
'rev_timestamp > '.$dbw->addQuotes( $dbw->timestamp($edittime) )
),
__METHOD__,
array( 'ORDER BY' => 'rev_timestamp ASC', 'LIMIT' => 50 ) );
while( $row = $res->fetchObject() ) {
if( $row->rev_user != $id ) {
return false;
}
}
return true;
}
/**
* Check given input text against $wgSpamRegex, and return the text of the first match.
* @return mixed -- matching string or false
*/
public static function matchSpamRegex( $text ) {
global $wgSpamRegex;
// For back compatibility, $wgSpamRegex may be a single string or an array of regexes.
$regexes = (array)$wgSpamRegex;
return self::matchSpamRegexInternal( $text, $regexes );
}
/**
* Check given input text against $wgSpamRegex, and return the text of the first match.
* @return mixed -- matching string or false
*/
public static function matchSummarySpamRegex( $text ) {
global $wgSummarySpamRegex;
$regexes = (array)$wgSummarySpamRegex;
return self::matchSpamRegexInternal( $text, $regexes );
}
protected static function matchSpamRegexInternal( $text, $regexes ) {
foreach( $regexes as $regex ) {
$matches = array();
if( preg_match( $regex, $text, $matches ) ) {
return $matches[0];
}
}
return false;
}
/**
* Initialise form fields in the object
* Called on the first invocation, e.g. when a user clicks an edit link
*/
function initialiseForm() {
$this->edittime = $this->mArticle->getTimestamp();
$this->textbox1 = $this->getContent( false );
if ( $this->textbox1 === false ) return false;
wfProxyCheck();
return true;
}
function setHeaders() {
global $wgOut, $wgTitle;
$wgOut->setRobotPolicy( 'noindex,nofollow' );
if ( $this->formtype == 'preview' ) {
$wgOut->setPageTitleActionText( wfMsg( 'preview' ) );
}
if ( $this->isConflict ) {
$wgOut->setPageTitle( wfMsg( 'editconflict', $wgTitle->getPrefixedText() ) );
} elseif ( $this->section != '' ) {
$msg = $this->section == 'new' ? 'editingcomment' : 'editingsection';
$wgOut->setPageTitle( wfMsg( $msg, $wgTitle->getPrefixedText() ) );
} else {
# Use the title defined by DISPLAYTITLE magic word when present
if ( isset( $this->mParserOutput )
&& ( $dt = $this->mParserOutput->getDisplayTitle() ) !== false ) {
$title = $dt;
} else {
$title = $wgTitle->getPrefixedText();
}
$wgOut->setPageTitle( wfMsg( 'editing', $title ) );
}
}
/**
* Send the edit form and related headers to $wgOut
* @param $formCallback Optional callable that takes an OutputPage
* parameter; will be called during form output
* near the top, for captchas and the like.
*/
function showEditForm( $formCallback=null ) {
global $wgOut, $wgUser, $wgTitle, $wgRequest;
# If $wgTitle is null, that means we're in API mode.
# Some hook probably called this function without checking
# for is_null($wgTitle) first. Bail out right here so we don't
# do lots of work just to discard it right after.
if ( is_null( $wgTitle ) )
return;
wfProfileIn( __METHOD__ );
$sk = $wgUser->getSkin();
#need to parse the preview early so that we know which templates are used,
#otherwise users with "show preview after edit box" will get a blank list
#we parse this near the beginning so that setHeaders can do the title
#setting work instead of leaving it in getPreviewText
$previewOutput = '';
if ( $this->formtype == 'preview' ) {
$previewOutput = $this->getPreviewText();
}
wfRunHooks( 'EditPage::showEditForm:initial', array( &$this ) );
$this->setHeaders();
# Enabled article-related sidebar, toplinks, etc.
$wgOut->setArticleRelated( true );
if ( $this->editFormHeadInit() === false )
return;
$action = htmlspecialchars($this->getActionURL($wgTitle));
if ( $wgUser->getOption( 'showtoolbar' ) and !$this->isCssJsSubpage ) {
# prepare toolbar for edit buttons
$toolbar = EditPage::getEditToolbar();
} else {
$toolbar = '';
}
// activate checkboxes if user wants them to be always active
if ( !$this->preview && !$this->diff ) {
# Sort out the "watch" checkbox
if ( $wgUser->getOption( 'watchdefault' ) ) {
# Watch all edits
$this->watchthis = true;
} elseif ( $wgUser->getOption( 'watchcreations' ) && !$this->mTitle->exists() ) {
# Watch creations
$this->watchthis = true;
} elseif ( $this->mTitle->userIsWatching() ) {
# Already watched
$this->watchthis = true;
}
# May be overriden by request parameters
if( $wgRequest->getBool( 'watchthis' ) ) {
$this->watchthis = true;
}
if ( $wgUser->getOption( 'minordefault' ) ) $this->minoredit = true;
}
$wgOut->addHTML( $this->editFormPageTop );
if ( $wgUser->getOption( 'previewontop' ) ) {
$this->displayPreviewArea( $previewOutput, true );
}
$wgOut->addHTML( $this->editFormTextTop );
$templates = $this->getTemplates();
$formattedtemplates = $sk->formatTemplates( $templates, $this->preview, $this->section != '');
$hiddencats = $this->mArticle->getHiddenCategories();
$formattedhiddencats = $sk->formatHiddenCategories( $hiddencats );
if ( $this->wasDeletedSinceLastEdit() && 'save' != $this->formtype ) {
$wgOut->wrapWikiMsg(
"
\n$1
",
'deletedwhileediting' );
} elseif ( $this->wasDeletedSinceLastEdit() ) {
// Hide the toolbar and edit area, user can click preview to get it back
// Add an confirmation checkbox and explanation.
$toolbar = '';
// @todo move this to a cleaner conditional instead of blanking a variable
}
$wgOut->addHTML( <<
END
);
if ( is_callable( $formCallback ) ) {
call_user_func_array( $formCallback, array( &$wgOut ) );
}
wfRunHooks( 'EditPage::showEditForm:fields', array( &$this, &$wgOut ) );
// Put these up at the top to ensure they aren't lost on early form submission
$this->showFormBeforeText();
if ( $this->wasDeletedSinceLastEdit() && 'save' == $this->formtype ) {
$wgOut->addHTML(
'
'
);
}
# If a blank edit summary was previously provided, and the appropriate
# user preference is active, pass a hidden tag as wpIgnoreBlankSummary. This will stop the
# user being bounced back more than once in the event that a summary
# is not required.
#####
# For a bit more sophisticated detection of blank summaries, hash the
# automatic one and pass that in the hidden field wpAutoSummary.
if ( $this->missingSummary ||
( $this->section == 'new' && $wgRequest->getBool( 'nosummary' ) ) )
$wgOut->addHTML( Xml::hidden( 'wpIgnoreBlankSummary', true ) );
$autosumm = $this->autoSumm ? $this->autoSumm : md5( $this->summary );
$wgOut->addHTML( Xml::hidden( 'wpAutoSummary', $autosumm ) );
if ( $this->section == 'new' ) {
$this->showSummaryInput( true, $this->summary );
$wgOut->addHTML( $this->getSummaryPreview( true, $this->summary ) );
}
$wgOut->addHTML( $this->editFormTextBeforeContent );
if ( $this->isConflict ) {
// In an edit conflict bypass the overrideable content form method
// and fallback to the raw wpTextbox1 since editconflicts can't be
// resolved between page source edits and custom ui edits using the
// custom edit ui.
$this->showTextbox1();
} else {
$this->showContentForm();
}
$wgOut->addHTML( $this->editFormTextAfterContent );
$wgOut->addWikiText( $this->getCopywarn() );
if ( isset($this->editFormTextAfterWarn) && $this->editFormTextAfterWarn !== '' )
$wgOut->addHTML( $this->editFormTextAfterWarn );
global $wgUseMetadataEdit;
if ( $wgUseMetadataEdit )
$this->showMetaData();
$this->showStandardInputs();
$this->showFormAfterText();
$this->showTosSummary();
$this->showEditTools();
$wgOut->addHTML( <<editFormTextAfterTools}
{$formattedtemplates}
{$formattedhiddencats}
END
);
if ( $this->isConflict )
$this->showConflict();
$wgOut->addHTML( $this->editFormTextBottom );
$wgOut->addHTML( "\n" );
if ( !$wgUser->getOption( 'previewontop' ) ) {
$this->displayPreviewArea( $previewOutput, false );
}
wfProfileOut( __METHOD__ );
}
protected function editFormHeadInit() {
global $wgOut, $wgParser, $wgUser, $wgMaxArticleSize, $wgLang;
if ( $this->isConflict ) {
$wgOut->wrapWikiMsg( "
\n$1
", 'explainconflict' );
$this->edittime = $this->mArticle->getTimestamp();
} else {
if ( $this->section != '' && !$this->isSectionEditSupported() ) {
// We use $this->section to much before this and getVal('wgSection') directly in other places
// at this point we can't reset $this->section to '' to fallback to non-section editing.
// Someone is welcome to try refactoring though
$wgOut->showErrorPage( 'sectioneditnotsupported-title', 'sectioneditnotsupported-text' );
return false;
}
if ( $this->section != '' && $this->section != 'new' ) {
$matches = array();
if ( !$this->summary && !$this->preview && !$this->diff ) {
preg_match( "/^(=+)(.+)\\1/mi", $this->textbox1, $matches );
if ( !empty( $matches[2] ) ) {
global $wgParser;
$this->summary = "/* " .
$wgParser->stripSectionName(trim($matches[2])) .
" */ ";
}
}
}
if ( $this->missingComment )
$wgOut->wrapWikiMsg( '
', 'missingcommentheader' );
if ( $this->hookError !== '' )
$wgOut->addWikiText( $this->hookError );
if ( !$this->checkUnicodeCompliantBrowser() )
$wgOut->addWikiMsg( 'nonunicodebrowser' );
if ( isset( $this->mArticle ) && isset( $this->mArticle->mRevision ) ) {
// Let sysop know that this will make private content public if saved
if ( !$this->mArticle->mRevision->userCan( Revision::DELETED_TEXT ) ) {
$wgOut->wrapWikiMsg( "
\n" );
}
}
/**
* Standard summary input and label (wgSummary), abstracted so EditPage
* subclasses may reorganize the form.
* Note that you do not need to worry about the label's for=, it will be
* inferred by the id given to the input. You can remove them both by
* passing array( 'id' => false ) to $userInputAttrs.
*
* @param $summary The value of the summary input
* @param $labelText The html to place inside the label
* @param $userInputAttrs An array of attrs to use on the input
* @param $userSpanAttrs An array of attrs to use on the span inside the label
*
* @return array An array in the format array( $label, $input )
*/
function getSummaryInput($summary = "", $labelText = null, $userInputAttrs = null, $userSpanLabelAttrs = null) {
$inputAttrs = array(
'id' => 'wpSummary',
'maxlength' => '200',
'tabindex' => '1',
'size' => 60,
'spellcheck' => 'true',
'onfocus' => "currentFocused = this;", // Make wpSummary insertable for editbuttons
);
if ( $userInputAttrs )
$inputAttrs += $userInputAttrs;
$spanLabelAttrs = array(
'class' => $this->missingSummary ? 'mw-summarymissed' : 'mw-summary',
'id' => "wpSummaryLabel"
);
if ( is_array($userSpanLabelAttrs) )
$spanLabelAttrs += $userSpanLabelAttrs;
$label = null;
if ( $labelText ) {
$label = Xml::tags( 'label', $inputAttrs['id'] ? array( 'for' => $inputAttrs['id'] ) : null, $labelText );
$label = Xml::tags( 'span', $spanLabelAttrs, $label );
}
$input = Html::input( 'wpSummary', $summary, 'text', $inputAttrs );
return array( $label, $input );
}
/**
* @param bool $isSubjectPreview true if this is the section subject/title
* up top, or false if this is the comment
* summary down below the textarea
* @param string $summary The text of the summary to display
* @return string
*/
protected function showSummaryInput( $isSubjectPreview, $summary = "" ) {
global $wgOut, $wgContLang, $wgRequest;
# Add a class if 'missingsummary' is triggered to allow styling of the summary line
$summaryClass = $this->missingSummary ? 'mw-summarymissed' : 'mw-summary';
if ( $isSubjectPreview ) {
if ( $wgRequest->getBool( 'nosummary' ) )
return;
} else {
if ( !$this->mShowSummaryField )
return;
}
$summary = $wgContLang->recodeForEdit( $summary );
$labelText = wfMsgExt( $isSubjectPreview ? 'subject' : 'summary', 'parseinline' );
list($label, $input) = $this->getSummaryInput($summary, $labelText, array( 'class' => $summaryClass ), array());
$wgOut->addHTML("{$label} {$input}");
}
/**
* @param bool $isSubjectPreview true if this is the section subject/title
* up top, or false if this is the comment
* summary down below the textarea
* @param string $summary The text of the summary to display
* @return string
*/
protected function getSummaryPreview( $isSubjectPreview, $summary = "" ) {
if ( !$summary || ( !$this->preview && !$this->diff ) )
return "";
global $wgParser, $wgUser;
$sk = $wgUser->getSkin();
if ( $isSubjectPreview )
$summary = wfMsgForContent( 'newsectionsummary', $wgParser->stripSectionName( $summary ) );
$summary = wfMsgExt( 'subject-preview', 'parseinline' ) . $sk->commentBlock( $summary, $this->mTitle, !!$isSubjectPreview );
return Xml::tags( 'div', array( 'class' => 'mw-summary-preview' ), $summary );
}
protected function showFormBeforeText() {
global $wgOut;
$section = htmlspecialchars( $this->section );
$wgOut->addHTML( <<
INPUTS
);
if ( !$this->checkUnicodeCompliantBrowser() )
$wgOut->addHTML(Xml::hidden( 'safemode', '1' ));
}
protected function showFormAfterText() {
global $wgOut, $wgUser;
/**
* To make it harder for someone to slip a user a page
* which submits an edit form to the wiki without their
* knowledge, a random token is associated with the login
* session. If it's not passed back with the submission,
* we won't save the page, or render user JavaScript and
* CSS previews.
*
* For anon editors, who may not have a session, we just
* include the constant suffix to prevent editing from
* broken text-mangling proxies.
*/
$wgOut->addHTML( "\n" . Xml::hidden( "wpEditToken", $wgUser->editToken() ) . "\n" );
}
/**
* Subpage overridable method for printing the form for page content editing
* By default this simply outputs wpTextbox1
* Subclasses can override this to provide a custom UI for editing;
* be it a form, or simply wpTextbox1 with a modified content that will be
* reverse modified when extracted from the post data.
* Note that this is basically the inverse for importContentFormData
*
* @praram WebRequest $request
*/
protected function showContentForm() {
$this->showTextbox1();
}
/**
* Method to output wpTextbox1
* The $textoverride method can be used by subclasses overriding showContentForm
* to pass back to this method.
*
* @param array $customAttribs An array of html attributes to use in the textarea
* @param string $textoverride Optional text to override $this->textarea1 with
*/
protected function showTextbox1($customAttribs = null, $textoverride = null) {
$classes = array(); // Textarea CSS
if ( $this->mTitle->getNamespace() != NS_MEDIAWIKI && $this->mTitle->isProtected( 'edit' ) ) {
# Is the title semi-protected?
if ( $this->mTitle->isSemiProtected() ) {
$classes[] = 'mw-textarea-sprotected';
} else {
# Then it must be protected based on static groups (regular)
$classes[] = 'mw-textarea-protected';
}
}
$attribs = array( 'tabindex' => 1 );
if ( is_array($customAttribs) )
$attribs += $customAttribs;
if ( $this->wasDeletedSinceLastEdit() )
$attribs['type'] = 'hidden';
if ( !empty( $classes ) ) {
if ( isset($attribs['class']) )
$classes[] = $attribs['class'];
$attribs['class'] = implode( ' ', $classes );
}
# Set focus to the edit box on load, except on preview or diff, where it would interfere with the display
if ( !$this->preview && !$this->diff ) {
global $wgOut;
$wgOut->setOnloadHandler( 'document.editform.wpTextbox1.focus();' );
}
$this->showTextbox( isset($textoverride) ? $textoverride : $this->textbox1, 'wpTextbox1', $attribs );
}
protected function showTextbox2() {
$this->showTextbox( $this->textbox2, 'wpTextbox2', array( 'tabindex' => 6 ) );
}
protected function showTextbox( $content, $name, $customAttribs = array() ) {
global $wgOut, $wgUser;
$wikitext = $this->safeUnicodeOutput( $content );
if ( $wikitext !== '' ) {
// Ensure there's a newline at the end, otherwise adding lines
// is awkward.
// But don't add a newline if the ext is empty, or Firefox in XHTML
// mode will show an extra newline. A bit annoying.
$wikitext .= "\n";
}
$attribs = $customAttribs + array(
'accesskey' => ',',
'id' => $name,
'cols' => $wgUser->getIntOption( 'cols' ),
'rows' => $wgUser->getIntOption( 'rows' ),
'onfocus' => "currentFocused = this;", // Make textareas insertable for editbuttons
'style' => '' // avoid php notices when appending for editwidth preference (appending allows customAttribs['style'] to still work
);
if ( $wgUser->getOption( 'editwidth' ) )
$attribs['style'] .= 'width: 100%';
$wgOut->addHTML( Html::textarea( $name, $wikitext, $attribs ) );
}
protected function showMetaData() {
global $wgOut, $wgContLang, $wgUser;
$metadata = htmlspecialchars( $wgContLang->recodeForEdit( $this->mMetaData ) );
$ew = $wgUser->getOption( 'editwidth' ) ? ' style="width:100%"' : '';
$cols = $wgUser->getIntOption( 'cols' );
$metadata = wfMsgWikiHtml( 'metadata_help' ) . "" ;
$wgOut->addHTML( $metadata );
}
protected function displayPreviewArea( $previewOutput, $isOnTop = false ) {
global $wgOut;
$classes = array();
if ( $isOnTop )
$classes[] = 'ontop';
$attribs = array( 'id' => 'wikiPreview', 'class' => implode( ' ', $classes ) );
if ( $this->formtype != 'preview' )
$attribs['style'] = 'display: none;';
$wgOut->addHTML( Xml::openElement( 'div', $attribs ) );
if ( $this->formtype == 'preview' ) {
$this->showPreview( $previewOutput );
}
$wgOut->addHTML( '' );
if ( $this->formtype == 'diff') {
$this->showDiff();
}
}
/**
* Append preview output to $wgOut.
* Includes category rendering if this is a category page.
*
* @param string $text The HTML to be output for the preview.
*/
protected function showPreview( $text ) {
global $wgOut;
if ( $this->mTitle->getNamespace() == NS_CATEGORY) {
$this->mArticle->openShowCategory();
}
# This hook seems slightly odd here, but makes things more
# consistent for extensions.
wfRunHooks( 'OutputPageBeforeHTML',array( &$wgOut, &$text ) );
$wgOut->addHTML( $text );
if ( $this->mTitle->getNamespace() == NS_CATEGORY ) {
$this->mArticle->closeShowCategory();
}
}
protected function showTosSummary() {
$msg = 'editpage-tos-summary';
// Give a chance for site and per-namespace customizations of
// terms of service summary link that might exist separately
// from the copyright notice.
//
// This will display between the save button and the edit tools,
// so should remain short!
wfRunHooks( 'EditPageTosSummary', array( $this->mTitle, &$msg ) );
$text = wfMsg( $msg );
if( !wfEmptyMsg( $msg, $text ) && $text !== '-' ) {
global $wgOut;
$wgOut->addHTML( '
' );
$wgOut->returnToMain( false, $wgTitle );
}
/**
* @private
* @todo document
*/
function mergeChangesInto( &$editText ){
wfProfileIn( __METHOD__ );
$db = wfGetDB( DB_MASTER );
// This is the revision the editor started from
$baseRevision = $this->getBaseRevision();
if ( is_null( $baseRevision ) ) {
wfProfileOut( __METHOD__ );
return false;
}
$baseText = $baseRevision->getText();
// The current state, we want to merge updates into it
$currentRevision = Revision::loadFromTitle( $db, $this->mTitle );
if ( is_null( $currentRevision ) ) {
wfProfileOut( __METHOD__ );
return false;
}
$currentText = $currentRevision->getText();
$result = '';
if ( wfMerge( $baseText, $editText, $currentText, $result ) ) {
$editText = $result;
wfProfileOut( __METHOD__ );
return true;
} else {
wfProfileOut( __METHOD__ );
return false;
}
}
/**
* Check if the browser is on a blacklist of user-agents known to
* mangle UTF-8 data on form submission. Returns true if Unicode
* should make it through, false if it's known to be a problem.
* @return bool
* @private
*/
function checkUnicodeCompliantBrowser() {
global $wgBrowserBlackList;
if ( empty( $_SERVER["HTTP_USER_AGENT"] ) ) {
// No User-Agent header sent? Trust it by default...
return true;
}
$currentbrowser = $_SERVER["HTTP_USER_AGENT"];
foreach ( $wgBrowserBlackList as $browser ) {
if ( preg_match($browser, $currentbrowser) ) {
return false;
}
}
return true;
}
/**
* @deprecated use $wgParser->stripSectionName()
*/
function pseudoParseSectionAnchor( $text ) {
global $wgParser;
return $wgParser->stripSectionName( $text );
}
/**
* Format an anchor fragment as it would appear for a given section name
* @param string $text
* @return string
* @private
*/
function sectionAnchor( $text ) {
global $wgParser;
return $wgParser->guessSectionNameFromWikiText( $text );
}
/**
* Shows a bulletin board style toolbar for common editing functions.
* It can be disabled in the user preferences.
* The necessary JavaScript code can be found in skins/common/edit.js.
*
* @return string
*/
static function getEditToolbar() {
global $wgStylePath, $wgContLang, $wgLang;
/**
* toolarray an array of arrays which each include the filename of
* the button image (without path), the opening tag, the closing tag,
* and optionally a sample text that is inserted between the two when no
* selection is highlighted.
* The tip text is shown when the user moves the mouse over the button.
*
* Already here are accesskeys (key), which are not used yet until someone
* can figure out a way to make them work in IE. However, we should make
* sure these keys are not defined on the edit page.
*/
$toolarray = array(
array(
'image' => $wgLang->getImageFile( 'button-bold' ),
'id' => 'mw-editbutton-bold',
'open' => '\'\'\'',
'close' => '\'\'\'',
'sample' => wfMsg( 'bold_sample' ),
'tip' => wfMsg( 'bold_tip' ),
'key' => 'B'
),
array(
'image' => $wgLang->getImageFile( 'button-italic' ),
'id' => 'mw-editbutton-italic',
'open' => '\'\'',
'close' => '\'\'',
'sample' => wfMsg( 'italic_sample' ),
'tip' => wfMsg( 'italic_tip' ),
'key' => 'I'
),
array(
'image' => $wgLang->getImageFile( 'button-link' ),
'id' => 'mw-editbutton-link',
'open' => '[[',
'close' => ']]',
'sample' => wfMsg( 'link_sample' ),
'tip' => wfMsg( 'link_tip' ),
'key' => 'L'
),
array(
'image' => $wgLang->getImageFile( 'button-extlink' ),
'id' => 'mw-editbutton-extlink',
'open' => '[',
'close' => ']',
'sample' => wfMsg( 'extlink_sample' ),
'tip' => wfMsg( 'extlink_tip' ),
'key' => 'X'
),
array(
'image' => $wgLang->getImageFile( 'button-headline' ),
'id' => 'mw-editbutton-headline',
'open' => "\n== ",
'close' => " ==\n",
'sample' => wfMsg( 'headline_sample' ),
'tip' => wfMsg( 'headline_tip' ),
'key' => 'H'
),
array(
'image' => $wgLang->getImageFile( 'button-image' ),
'id' => 'mw-editbutton-image',
'open' => '[[' . $wgContLang->getNsText( NS_FILE ) . ':',
'close' => ']]',
'sample' => wfMsg( 'image_sample' ),
'tip' => wfMsg( 'image_tip' ),
'key' => 'D'
),
array(
'image' => $wgLang->getImageFile( 'button-media' ),
'id' => 'mw-editbutton-media',
'open' => '[[' . $wgContLang->getNsText( NS_MEDIA ) . ':',
'close' => ']]',
'sample' => wfMsg( 'media_sample' ),
'tip' => wfMsg( 'media_tip' ),
'key' => 'M'
),
array(
'image' => $wgLang->getImageFile( 'button-math' ),
'id' => 'mw-editbutton-math',
'open' => "",
'sample' => wfMsg( 'math_sample' ),
'tip' => wfMsg( 'math_tip' ),
'key' => 'C'
),
array(
'image' => $wgLang->getImageFile( 'button-nowiki' ),
'id' => 'mw-editbutton-nowiki',
'open' => "",
'close' => "",
'sample' => wfMsg( 'nowiki_sample' ),
'tip' => wfMsg( 'nowiki_tip' ),
'key' => 'N'
),
array(
'image' => $wgLang->getImageFile( 'button-sig' ),
'id' => 'mw-editbutton-signature',
'open' => '--~~~~',
'close' => '',
'sample' => '',
'tip' => wfMsg( 'sig_tip' ),
'key' => 'Y'
),
array(
'image' => $wgLang->getImageFile( 'button-hr' ),
'id' => 'mw-editbutton-hr',
'open' => "\n----\n",
'close' => '',
'sample' => '',
'tip' => wfMsg( 'hr_tip' ),
'key' => 'R'
)
);
$toolbar = "
\n";
$script = '';
foreach ( $toolarray as $tool ) {
$params = array(
$image = $wgStylePath . '/common/images/' . $tool['image'],
// Note that we use the tip both for the ALT tag and the TITLE tag of the image.
// Older browsers show a "speedtip" type message only for ALT.
// Ideally these should be different, realistically they
// probably don't need to be.
$tip = $tool['tip'],
$open = $tool['open'],
$close = $tool['close'],
$sample = $tool['sample'],
$cssId = $tool['id'],
);
$paramList = implode( ',',
array_map( array( 'Xml', 'encodeJsVar' ), $params ) );
$script .= "addButton($paramList);\n";
}
$toolbar .= Html::inlineScript( "\n$script\n" );
$toolbar .= "\n
";
wfRunHooks( 'EditPageBeforeEditToolbar', array( &$toolbar ) );
return $toolbar;
}
/**
* Returns an array of html code of the following checkboxes:
* minor and watch
*
* @param $tabindex Current tabindex
* @param $skin Skin object
* @param $checked Array of checkbox => bool, where bool indicates the checked
* status of the checkbox
*
* @return array
*/
public function getCheckboxes( &$tabindex, $skin, $checked ) {
global $wgUser;
$checkboxes = array();
$checkboxes['minor'] = '';
$minorLabel = wfMsgExt( 'minoredit', array( 'parseinline' ) );
if ( $wgUser->isAllowed( 'minoredit' ) ) {
$attribs = array(
'tabindex' => ++$tabindex,
'accesskey' => wfMsg( 'accesskey-minoredit' ),
'id' => 'wpMinoredit',
);
$checkboxes['minor'] =
Xml::check( 'wpMinoredit', $checked['minor'], $attribs ) .
" ";
}
$watchLabel = wfMsgExt( 'watchthis', array( 'parseinline' ) );
$checkboxes['watch'] = '';
if ( $wgUser->isLoggedIn() ) {
$attribs = array(
'tabindex' => ++$tabindex,
'accesskey' => wfMsg( 'accesskey-watch' ),
'id' => 'wpWatchthis',
);
$checkboxes['watch'] =
Xml::check( 'wpWatchthis', $checked['watch'], $attribs ) .
" ";
}
wfRunHooks( 'EditPageBeforeEditChecks', array( &$this, &$checkboxes, &$tabindex ) );
return $checkboxes;
}
/**
* Returns an array of html code of the following buttons:
* save, diff, preview and live
*
* @param $tabindex Current tabindex
*
* @return array
*/
public function getEditButtons(&$tabindex) {
$buttons = array();
$temp = array(
'id' => 'wpSave',
'name' => 'wpSave',
'type' => 'submit',
'tabindex' => ++$tabindex,
'value' => wfMsg( 'savearticle' ),
'accesskey' => wfMsg( 'accesskey-save' ),
'title' => wfMsg( 'tooltip-save' ).' ['.wfMsg( 'accesskey-save' ).']',
);
$buttons['save'] = Xml::element('input', $temp, '');
++$tabindex; // use the same for preview and live preview
$temp = array(
'id' => 'wpPreview',
'name' => 'wpPreview',
'type' => 'submit',
'tabindex' => $tabindex,
'value' => wfMsg( 'showpreview' ),
'accesskey' => wfMsg( 'accesskey-preview' ),
'title' => wfMsg( 'tooltip-preview' ) . ' [' . wfMsg( 'accesskey-preview' ) . ']',
);
$buttons['preview'] = Xml::element( 'input', $temp, '' );
$buttons['live'] = '';
$temp = array(
'id' => 'wpDiff',
'name' => 'wpDiff',
'type' => 'submit',
'tabindex' => ++$tabindex,
'value' => wfMsg( 'showdiff' ),
'accesskey' => wfMsg( 'accesskey-diff' ),
'title' => wfMsg( 'tooltip-diff' ) . ' [' . wfMsg( 'accesskey-diff' ) . ']',
);
$buttons['diff'] = Xml::element( 'input', $temp, '' );
wfRunHooks( 'EditPageBeforeEditButtons', array( &$this, &$buttons, &$tabindex ) );
return $buttons;
}
/**
* Output preview text only. This can be sucked into the edit page
* via JavaScript, and saves the server time rendering the skin as
* well as theoretically being more robust on the client (doesn't
* disturb the edit box's undo history, won't eat your text on
* failure, etc).
*
* @todo This doesn't include category or interlanguage links.
* Would need to enhance it a bit, maybe wrap them in XML
* or something... that might also require more skin
* initialization, so check whether that's a problem.
*/
function livePreview() {
global $wgOut;
$wgOut->disable();
header( 'Content-type: text/xml; charset=utf-8' );
header( 'Cache-control: no-cache' );
$previewText = $this->getPreviewText();
#$categories = $skin->getCategoryLinks();
$s =
'' . "\n" .
Xml::tags( 'livepreview', null,
Xml::element( 'preview', null, $previewText )
#. Xml::element( 'category', null, $categories )
);
echo $s;
}
public function getCancelLink() {
global $wgUser, $wgTitle;
$cancelParams = array();
if ( !$this->isConflict && isset( $this->mArticle ) &&
isset( $this->mArticle->mRevision ) &&
!$this->mArticle->mRevision->isCurrent() )
$cancelParams['oldid'] = $this->mArticle->mRevision->getId();
return $wgUser->getSkin()->link(
$wgTitle,
wfMsgExt( 'cancel', array( 'parseinline' ) ),
array( 'id' => 'mw-editform-cancel' ),
$cancelParams,
array( 'known', 'noclasses' )
);
}
/**
* Get a diff between the current contents of the edit box and the
* version of the page we're editing from.
*
* If this is a section edit, we'll replace the section as for final
* save and then make a comparison.
*/
function showDiff() {
$oldtext = $this->mArticle->fetchContent();
$newtext = $this->mArticle->replaceSection(
$this->section, $this->textbox1, $this->summary, $this->edittime );
$newtext = $this->mArticle->preSaveTransform( $newtext );
$oldtitle = wfMsgExt( 'currentrev', array( 'parseinline' ) );
$newtitle = wfMsgExt( 'yourtext', array( 'parseinline' ) );
if ( $oldtext !== false || $newtext != '' ) {
$de = new DifferenceEngine( $this->mTitle );
$de->setText( $oldtext, $newtext );
$difftext = $de->getDiff( $oldtitle, $newtitle );
$de->showDiffStyle();
} else {
$difftext = '';
}
global $wgOut;
$wgOut->addHTML( '
' . $difftext . '
' );
}
/**
* Filter an input field through a Unicode de-armoring process if it
* came from an old browser with known broken Unicode editing issues.
*
* @param WebRequest $request
* @param string $field
* @return string
* @private
*/
function safeUnicodeInput( $request, $field ) {
$text = rtrim( $request->getText( $field ) );
return $request->getBool( 'safemode' )
? $this->unmakesafe( $text )
: $text;
}
function safeUnicodeText( $request, $text ) {
$text = rtrim( $text );
return $request->getBool( 'safemode' )
? $this->unmakesafe( $text )
: $text;
}
/**
* Filter an output field through a Unicode armoring process if it is
* going to an old browser with known broken Unicode editing issues.
*
* @param string $text
* @return string
* @private
*/
function safeUnicodeOutput( $text ) {
global $wgContLang;
$codedText = $wgContLang->recodeForEdit( $text );
return $this->checkUnicodeCompliantBrowser()
? $codedText
: $this->makesafe( $codedText );
}
/**
* A number of web browsers are known to corrupt non-ASCII characters
* in a UTF-8 text editing environment. To protect against this,
* detected browsers will be served an armored version of the text,
* with non-ASCII chars converted to numeric HTML character references.
*
* Preexisting such character references will have a 0 added to them
* to ensure that round-trips do not alter the original data.
*
* @param string $invalue
* @return string
* @private
*/
function makesafe( $invalue ) {
// Armor existing references for reversability.
$invalue = strtr( $invalue, array( "&#x" => "�" ) );
$bytesleft = 0;
$result = "";
$working = 0;
for( $i = 0; $i < strlen( $invalue ); $i++ ) {
$bytevalue = ord( $invalue{$i} );
if ( $bytevalue <= 0x7F ) { //0xxx xxxx
$result .= chr( $bytevalue );
$bytesleft = 0;
} elseif ( $bytevalue <= 0xBF ) { //10xx xxxx
$working = $working << 6;
$working += ($bytevalue & 0x3F);
$bytesleft--;
if ( $bytesleft <= 0 ) {
$result .= "&#x" . strtoupper( dechex( $working ) ) . ";";
}
} elseif ( $bytevalue <= 0xDF ) { //110x xxxx
$working = $bytevalue & 0x1F;
$bytesleft = 1;
} elseif ( $bytevalue <= 0xEF ) { //1110 xxxx
$working = $bytevalue & 0x0F;
$bytesleft = 2;
} else { //1111 0xxx
$working = $bytevalue & 0x07;
$bytesleft = 3;
}
}
return $result;
}
/**
* Reverse the previously applied transliteration of non-ASCII characters
* back to UTF-8. Used to protect data from corruption by broken web browsers
* as listed in $wgBrowserBlackList.
*
* @param string $invalue
* @return string
* @private
*/
function unmakesafe( $invalue ) {
$result = "";
for( $i = 0; $i < strlen( $invalue ); $i++ ) {
if ( ( substr( $invalue, $i, 3 ) == "&#x" ) && ( $invalue{$i+3} != '0' ) ) {
$i += 3;
$hexstring = "";
do {
$hexstring .= $invalue{$i};
$i++;
} while( ctype_xdigit( $invalue{$i} ) && ( $i < strlen( $invalue ) ) );
// Do some sanity checks. These aren't needed for reversability,
// but should help keep the breakage down if the editor
// breaks one of the entities whilst editing.
if ( (substr($invalue,$i,1)==";") and (strlen($hexstring) <= 6) ) {
$codepoint = hexdec($hexstring);
$result .= codepointToUtf8( $codepoint );
} else {
$result .= "&#x" . $hexstring . substr( $invalue, $i, 1 );
}
} else {
$result .= substr( $invalue, $i, 1 );
}
}
// reverse the transform that we made for reversability reasons.
return strtr( $result, array( "�" => "&#x" ) );
}
function noCreatePermission() {
global $wgOut;
$wgOut->setPageTitle( wfMsg( 'nocreatetitle' ) );
$wgOut->addWikiMsg( 'nocreatetext' );
}
/**
* Attempt submission
* @return bool false if output is done, true if the rest of the form should be displayed
*/
function attemptSave() {
global $wgUser, $wgOut, $wgTitle, $wgRequest;
$resultDetails = false;
# Allow bots to exempt some edits from bot flagging
$bot = $wgUser->isAllowed( 'bot' ) && $wgRequest->getBool( 'bot', true );
$value = $this->internalAttemptSave( $resultDetails, $bot );
if ( $value == self::AS_SUCCESS_UPDATE || $value == self::AS_SUCCESS_NEW_ARTICLE ) {
$this->didSave = true;
}
switch ( $value ) {
case self::AS_HOOK_ERROR_EXPECTED:
case self::AS_CONTENT_TOO_BIG:
case self::AS_ARTICLE_WAS_DELETED:
case self::AS_CONFLICT_DETECTED:
case self::AS_SUMMARY_NEEDED:
case self::AS_TEXTBOX_EMPTY:
case self::AS_MAX_ARTICLE_SIZE_EXCEEDED:
case self::AS_END:
return true;
case self::AS_HOOK_ERROR:
case self::AS_FILTERING:
case self::AS_SUCCESS_NEW_ARTICLE:
case self::AS_SUCCESS_UPDATE:
return false;
case self::AS_SPAM_ERROR:
$this->spamPage( $resultDetails['spam'] );
return false;
case self::AS_BLOCKED_PAGE_FOR_USER:
$this->blockedPage();
return false;
case self::AS_IMAGE_REDIRECT_ANON:
$wgOut->showErrorPage( 'uploadnologin', 'uploadnologintext' );
return false;
case self::AS_READ_ONLY_PAGE_ANON:
$this->userNotLoggedInPage();
return false;
case self::AS_READ_ONLY_PAGE_LOGGED:
case self::AS_READ_ONLY_PAGE:
$wgOut->readOnlyPage();
return false;
case self::AS_RATE_LIMITED:
$wgOut->rateLimited();
return false;
case self::AS_NO_CREATE_PERMISSION:
$this->noCreatePermission();
return;
case self::AS_BLANK_ARTICLE:
$wgOut->redirect( $wgTitle->getFullURL() );
return false;
case self::AS_IMAGE_REDIRECT_LOGGED:
$wgOut->permissionRequired( 'upload' );
return false;
}
}
function getBaseRevision() {
if ( $this->mBaseRevision == false ) {
$db = wfGetDB( DB_MASTER );
$baseRevision = Revision::loadFromTimestamp(
$db, $this->mTitle, $this->edittime );
return $this->mBaseRevision = $baseRevision;
} else {
return $this->mBaseRevision;
}
}
}