+global\ImagePage::openShowImage()

Complexity

Conditions	41
Paths	> 20000

Size

Total Lines	326
Code Lines	198

Duplication

Lines	15
Ratio	4.6 %

Importance

Changes

0

<?php
	protected function openShowImage() {
		global $wgEnableUploads, $wgSend404Code, $wgSVGMaxSize;

		$this->loadFile();
		$out = $this->getContext()->getOutput();
		$user = $this->getContext()->getUser();
		$lang = $this->getContext()->getLanguage();
		$dirmark = $lang->getDirMarkEntity();
		$request = $this->getContext()->getRequest();

		$max = $this->getImageLimitsFromOption( $user, 'imagesize' );
		$maxWidth = $max[0];
		$maxHeight = $max[1];

		if ( $this->displayImg->exists() ) {
			# image
			$page = $request->getIntOrNull( 'page' );
			if ( is_null( $page ) ) {
				$params = [];
				$page = 1;
			} else {
				$params = [ 'page' => $page ];
			}

			$renderLang = $request->getVal( 'lang' );
			if ( !is_null( $renderLang ) ) {
				$handler = $this->displayImg->getHandler();
				if ( $handler && $handler->validateParam( 'lang', $renderLang ) ) {
					$params['lang'] = $renderLang;
				} else {
					$renderLang = null;
				}
			}

			$width_orig = $this->displayImg->getWidth( $page );
			$width = $width_orig;
			$height_orig = $this->displayImg->getHeight( $page );
			$height = $height_orig;

			$filename = wfEscapeWikiText( $this->displayImg->getName() );
			$linktext = $filename;

			Hooks::run( 'ImageOpenShowImageInlineBefore', [ &$this, &$out ] );

			if ( $this->displayImg->allowInlineDisplay() ) {
				# image
				# "Download high res version" link below the image
				# $msgsize = $this->getContext()->msg( 'file-info-size', $width_orig, $height_orig,
				#   Linker::formatSize( $this->displayImg->getSize() ), $mime )->escaped();
				# We'll show a thumbnail of this image
				if ( $width > $maxWidth || $height > $maxHeight || $this->displayImg->isVectorized() ) {
					list( $width, $height ) = $this->getDisplayWidthHeight(
						$maxWidth, $maxHeight, $width, $height
					);
					$linktext = $this->getContext()->msg( 'show-big-image' )->escaped();

					$thumbSizes = $this->getThumbSizes( $width_orig, $height_orig );
					# Generate thumbnails or thumbnail links as needed...
					$otherSizes = [];
					foreach ( $thumbSizes as $size ) {
						// We include a thumbnail size in the list, if it is
						// less than or equal to the original size of the image
						// asset ($width_orig/$height_orig). We also exclude
						// the current thumbnail's size ($width/$height)
						// since that is added to the message separately, so
						// it can be denoted as the current size being shown.
						// Vectorized images are limited by $wgSVGMaxSize big,
						// so all thumbs less than or equal that are shown.
						if ( ( ( $size[0] <= $width_orig && $size[1] <= $height_orig )
								|| ( $this->displayImg->isVectorized()
									&& max( $size[0], $size[1] ) <= $wgSVGMaxSize )
							)
							&& $size[0] != $width && $size[1] != $height
						) {
							$sizeLink = $this->makeSizeLink( $params, $size[0], $size[1] );
							if ( $sizeLink ) {
								$otherSizes[] = $sizeLink;
							}
						}
					}
					$otherSizes = array_unique( $otherSizes );

					$sizeLinkBigImagePreview = $this->makeSizeLink( $params, $width, $height );
					$msgsmall = $this->getThumbPrevText( $params, $sizeLinkBigImagePreview );
					if ( count( $otherSizes ) ) {
						$msgsmall .= ' ' .
						Html::rawElement(
							'span',
							[ 'class' => 'mw-filepage-other-resolutions' ],
							$this->getContext()->msg( 'show-big-image-other' )
								->rawParams( $lang->pipeList( $otherSizes ) )
								->params( count( $otherSizes ) )
								->parse()
						);
					}
				} elseif ( $width == 0 && $height == 0 ) {
					# Some sort of audio file that doesn't have dimensions
					# Don't output a no hi res message for such a file
					$msgsmall = '';
				} else {
					# Image is small enough to show full size on image page
					$msgsmall = $this->getContext()->msg( 'file-nohires' )->parse();
				}

				$params['width'] = $width;
				$params['height'] = $height;
				$thumbnail = $this->displayImg->transform( $params );
				Linker::processResponsiveImages( $this->displayImg, $thumbnail, $params );

It seems like $thumbnail defined by $this->displayImg->transform($params) on line 414 can also be of type false; however, Linker::processResponsiveImages() does only seem to accept object<MediaTransformOutput>, did you maybe forget to handle an error condition?

				$anchorclose = Html::rawElement(
					'div',
					[ 'class' => 'mw-filepage-resolutioninfo' ],
					$msgsmall
				);

				$isMulti = $this->displayImg->isMultipage() && $this->displayImg->pageCount() > 1;
				if ( $isMulti ) {
					$out->addModules( 'mediawiki.page.image.pagination' );
					$out->addHTML( '<table class="multipageimage"><tr><td>' );
				}

				if ( $thumbnail ) {
					$options = [
						'alt' => $this->displayImg->getTitle()->getPrefixedText(),
						'file-link' => true,
					];
					$out->addHTML( '<div class="fullImageLink" id="file">' .
						$thumbnail->toHtml( $options ) .
						$anchorclose . "</div>\n" );
				}

				if ( $isMulti ) {
					$count = $this->displayImg->pageCount();

					if ( $page > 1 ) {
						$label = $out->parse( $this->getContext()->msg( 'imgmultipageprev' )->text(), false );
						// on the client side, this link is generated in ajaxifyPageNavigation()
						// in the mediawiki.page.image.pagination module
						$link = Linker::linkKnown(
							$this->getTitle(),
							$label,
							[],
							[ 'page' => $page - 1 ]
						);
						$thumb1 = Linker::makeThumbLinkObj(
							$this->getTitle(),
							$this->displayImg,
							$link,
							$label,
							'none',
							[ 'page' => $page - 1 ]
						);
					} else {
						$thumb1 = '';
					}

					if ( $page < $count ) {
						$label = $this->getContext()->msg( 'imgmultipagenext' )->text();
						$link = Linker::linkKnown(
							$this->getTitle(),
							$label,
							[],
							[ 'page' => $page + 1 ]
						);
						$thumb2 = Linker::makeThumbLinkObj(
							$this->getTitle(),
							$this->displayImg,
							$link,
							$label,
							'none',
							[ 'page' => $page + 1 ]
						);
					} else {
						$thumb2 = '';
					}

					global $wgScript;

					$formParams = [
						'name' => 'pageselector',
						'action' => $wgScript,
					];
					$options = [];
					for ( $i = 1; $i <= $count; $i++ ) {
						$options[] = Xml::option( $lang->formatNum( $i ), $i, $i == $page );
					}
					$select = Xml::tags( 'select',
						[ 'id' => 'pageselector', 'name' => 'page' ],
						implode( "\n", $options ) );

					$out->addHTML(
						'</td><td><div class="multipageimagenavbox">' .
						Xml::openElement( 'form', $formParams ) .
						Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) .
						$this->getContext()->msg( 'imgmultigoto' )->rawParams( $select )->parse() .
						Xml::submitButton( $this->getContext()->msg( 'imgmultigo' )->text() ) .
						Xml::closeElement( 'form' ) .
						"<hr />$thumb1\n$thumb2<br style=\"clear: both\" /></div></td></tr></table>"
					);
				}
			} elseif ( $this->displayImg->isSafeFile() ) {
				# if direct link is allowed but it's not a renderable image, show an icon.
				$icon = $this->displayImg->iconThumb();

				$out->addHTML( '<div class="fullImageLink" id="file">' .
					$icon->toHtml( [ 'file-link' => true ] ) .
					"</div>\n" );
			}

			$longDesc = $this->getContext()->msg( 'parentheses', $this->displayImg->getLongDesc() )->text();

			$handler = $this->displayImg->getHandler();

			// If this is a filetype with potential issues, warn the user.
			if ( $handler ) {
				$warningConfig = $handler->getWarningConfig( $this->displayImg );

				if ( $warningConfig !== null ) {
					// The warning will be displayed via CSS and JavaScript.
					// We just need to tell the client side what message to use.
					$output = $this->getContext()->getOutput();
					$output->addJsConfigVars( 'wgFileWarning', $warningConfig );
					$output->addModules( $warningConfig['module'] );
					$output->addModules( 'mediawiki.filewarning' );
				}
			}

			$medialink = "[[Media:$filename|$linktext]]";

			if ( !$this->displayImg->isSafeFile() ) {
				$warning = $this->getContext()->msg( 'mediawarning' )->plain();
				// dirmark is needed here to separate the file name, which
				// most likely ends in Latin characters, from the description,
				// which may begin with the file type. In RTL environment
				// this will get messy.
				// The dirmark, however, must not be immediately adjacent
				// to the filename, because it can get copied with it.
				// See bug 25277.
				// @codingStandardsIgnoreStart Ignore long line
				$out->addWikiText( <<<EOT
<div class="fullMedia"><span class="dangerousLink">{$medialink}</span> $dirmark<span class="fileInfo">$longDesc</span></div>
<div class="mediaWarning">$warning</div>
EOT
				);
				// @codingStandardsIgnoreEnd
			} else {
				$out->addWikiText( <<<EOT
<div class="fullMedia">{$medialink} {$dirmark}<span class="fileInfo">$longDesc</span>
</div>
EOT
				);
			}

			$renderLangOptions = $this->displayImg->getAvailableLanguages();
			if ( count( $renderLangOptions ) >= 1 ) {
				$currentLanguage = $renderLang;
				$defaultLang = $this->displayImg->getDefaultRenderLanguage();
				if ( is_null( $currentLanguage ) ) {
					$currentLanguage = $defaultLang;
				}
				$out->addHTML( $this->doRenderLangOpt( $renderLangOptions, $currentLanguage, $defaultLang ) );
			}

			// Add cannot animate thumbnail warning
			if ( !$this->displayImg->canAnimateThumbIfAppropriate() ) {
				// Include the extension so wiki admins can
				// customize it on a per file-type basis
				// (aka say things like use format X instead).
				// additionally have a specific message for
				// file-no-thumb-animation-gif
				$ext = $this->displayImg->getExtension();
				$noAnimMesg = wfMessageFallback(
					'file-no-thumb-animation-' . $ext,
					'file-no-thumb-animation'
				)->plain();

				$out->addWikiText( <<<EOT
<div class="mw-noanimatethumb">{$noAnimMesg}</div>
EOT
				);
			}

			if ( !$this->displayImg->isLocal() ) {
				$this->printSharedImageText();
			}
		} else {
			# Image does not exist
			if ( !$this->getId() ) {
				# No article exists either
				# Show deletion log to be consistent with normal articles
				LogEventsList::showLogExtract(
					$out,
					[ 'delete', 'move' ],
					$this->getTitle()->getPrefixedText(),
					'',
					[ 'lim' => 10,
						'conds' => [ "log_action != 'revision'" ],
						'showIfEmpty' => false,
						'msgKey' => [ 'moveddeleted-notice' ]
					]
				);
			}

			if ( $wgEnableUploads && $user->isAllowed( 'upload' ) ) {
				// Only show an upload link if the user can upload
				$uploadTitle = SpecialPage::getTitleFor( 'Upload' );
				$nofile = [
					'filepage-nofile-link',
					$uploadTitle->getFullURL( [ 'wpDestFile' => $this->mPage->getFile()->getName() ] )
				];
			} else {
				$nofile = 'filepage-nofile';
			}
			// Note, if there is an image description page, but
			// no image, then this setRobotPolicy is overridden
			// by Article::View().
			$out->setRobotPolicy( 'noindex,nofollow' );
			$out->wrapWikiMsg( "<div id='mw-imagepage-nofile' class='plainlinks'>\n$1\n</div>", $nofile );
			if ( !$this->getId() && $wgSend404Code ) {
				// If there is no image, no shared image, and no description page,
				// output a 404, to be consistent with Article::showMissingArticle.
				$request->response()->statusHeader( 404 );
			}
		}
		$out->setFileVersion( $this->displayImg );
	}