<?php
-
/**
- * Base file class. Do not instantiate.
+ * Base code for files.
*
- * Implements some public methods and some protected utility functions which
- * are required by multiple child classes. Contains stub functionality for
+ * @file
+ * @ingroup FileRepo
+ */
+
+/**
+ * Implements some public methods and some protected utility functions which
+ * are required by multiple child classes. Contains stub functionality for
* unimplemented public methods.
*
- * Stub functions which should be overridden are marked with STUB. Some more
+ * Stub functions which should be overridden are marked with STUB. Some more
* concrete functions are also typically overridden by child classes.
*
* Note that only the repo object knows what its file class is called. You should
- * never name a file class explictly outside of the repo class. Instead use the
+ * never name a file class explictly outside of the repo class. Instead use the
* repo's factory functions to generate file objects, for example:
*
* RepoGroup::singleton()->getLocalRepo()->newFile($title);
* The convenience functions wfLocalFile() and wfFindFile() should be sufficient
* in most cases.
*
- * @addtogroup FileRepo
+ * @ingroup FileRepo
*/
-class File {
+abstract class File {
const DELETED_FILE = 1;
const DELETED_COMMENT = 2;
const DELETED_USER = 4;
const DELETE_SOURCE = 1;
- /**
- * Some member variables can be lazy-initialised using __get(). The
+ /**
+ * Some member variables can be lazy-initialised using __get(). The
* initialisation function for these variables is always a function named
- * like getVar(), where Var is the variable name with upper-case first
+ * like getVar(), where Var is the variable name with upper-case first
* letter.
*
* The following variables are initialised in this way in this base class:
- * name, extension, handler, path, canRender, isSafeFile,
+ * name, extension, handler, path, canRender, isSafeFile,
* transformScript, hashPath, pageCount, url
*
- * Code within this class should generally use the accessor function
+ * Code within this class should generally use the accessor function
* directly, since __get() isn't re-entrant and therefore causes bugs that
* depend on initialisation order.
*/
/**
* The following member variables are not lazy-initialised
*/
- var $repo, $title, $lastError;
+
+ /**
+ * @var LocalRepo
+ */
+ var $repo;
+
+ /**
+ * @var Title
+ */
+ var $title;
+
+ var $lastError, $redirected, $redirectedTitle;
+
+ /**
+ * @var MediaHandler
+ */
+ protected $handler;
/**
* Call this constructor from child classes
'htm' => 'html',
'jpeg' => 'jpg',
'mpeg' => 'mpg',
- 'tiff' => 'tif' );
+ 'tiff' => 'tif',
+ 'ogv' => 'ogg' );
if( isset( $squish[$lower] ) ) {
return $squish[$lower];
} elseif( preg_match( '/^[0-9a-z]+$/', $lower ) ) {
}
}
+ /**
+ * Checks if file extensions are compatible
+ *
+ * @param $old File Old file
+ * @param $new string New name
+ */
+ static function checkExtensionCompatibility( File $old, $new ) {
+ $oldMime = $old->getMimeType();
+ $n = strrpos( $new, '.' );
+ $newExt = self::normalizeExtension(
+ $n ? substr( $new, $n + 1 ) : '' );
+ $mimeMagic = MimeMagic::singleton();
+ return $mimeMagic->isMatchingExtension( $newExt, $oldMime );
+ }
+
/**
* Upgrade the database row if there is one
* Called by ImagePage
* Split an internet media type into its two components; if not
* a two-part name, set the minor type to 'unknown'.
*
- * @param $mime "text/html" etc
+ * @param string $mime "text/html" etc
* @return array ("text", "html") etc
*/
- static function splitMime( $mime ) {
+ public static function splitMime( $mime ) {
if( strpos( $mime, '/' ) !== false ) {
return explode( '/', $mime, 2 );
} else {
return array( $mime, 'unknown' );
}
}
-
+
/**
* Return the name of this file
- * @public
*/
- function getName() {
+ public function getName() {
if ( !isset( $this->name ) ) {
$this->name = $this->repo->getNameFromTitle( $this->title );
}
- return $this->name;
+ return $this->name;
}
/**
function getExtension() {
if ( !isset( $this->extension ) ) {
$n = strrpos( $this->getName(), '.' );
- $this->extension = self::normalizeExtension(
+ $this->extension = self::normalizeExtension(
$n ? substr( $this->getName(), $n + 1 ) : '' );
}
return $this->extension;
/**
* Return the associated title object
- * @public
+ * @return Title
*/
- function getTitle() { return $this->title; }
+ public function getTitle() { return $this->title; }
+
+ /**
+ * Return the title used to find this file
+ */
+ public function getOriginalTitle() {
+ if ( $this->redirected )
+ return $this->getRedirectedTitle();
+ return $this->title;
+ }
/**
* Return the URL of the file
- * @public
*/
- function getUrl() {
+ public function getUrl() {
if ( !isset( $this->url ) ) {
$this->url = $this->repo->getZoneUrl( 'public' ) . '/' . $this->getUrlRel();
}
- return $this->url;
+ return $this->url;
+ }
+
+ /**
+ * Return a fully-qualified URL to the file.
+ * Upload URL paths _may or may not_ be fully qualified, so
+ * we check. Local paths are assumed to belong on $wgServer.
+ *
+ * @return String
+ */
+ public function getFullUrl() {
+ return wfExpandUrl( $this->getUrl() );
}
function getViewURL() {
* i.e. whether the files are all found in the same directory,
* or in hashed paths like /images/3/3c.
*
- * May return false if the file is not locally accessible.
- *
- * @public
+ * Most callers don't check the return value, but ForeignAPIFile::getPath
+ * returns false.
*/
- function getPath() {
+ public function getPath() {
if ( !isset( $this->path ) ) {
$this->path = $this->repo->getZonePath('public') . '/' . $this->getRel();
}
/**
* Alias for getPath()
- * @public
+ *
+ * @deprecated since 1.18 Use getPath().
*/
- function getFullPath() {
+ public function getFullPath() {
+ wfDeprecated( __METHOD__ );
return $this->getPath();
}
/**
- * Return the width of the image. Returns false if the width is unknown
+ * Return the width of the image. Returns false if the width is unknown
* or undefined.
*
* STUB
* Overridden by LocalFile, UnregisteredLocalFile
- * @public
*/
- function getWidth( $page = 1 ) { return false; }
+ public function getWidth( $page = 1 ) { return false; }
/**
- * Return the height of the image. Returns false if the height is unknown
+ * Return the height of the image. Returns false if the height is unknown
* or undefined
*
* STUB
* Overridden by LocalFile, UnregisteredLocalFile
- * @public
*/
- function getHeight( $page = 1 ) { return false; }
+ public function getHeight( $page = 1 ) { return false; }
+
+ /**
+ * Returns ID or name of user who uploaded the file
+ * STUB
+ *
+ * @param $type string 'text' or 'id'
+ */
+ public function getUser( $type='text' ) { return null; }
+
+ /**
+ * Get the duration of a media file in seconds
+ */
+ public function getLength() {
+ $handler = $this->getHandler();
+ if ( $handler ) {
+ return $handler->getLength( $this );
+ } else {
+ return 0;
+ }
+ }
+
+ /**
+ * Return true if the file is vectorized
+ */
+ public function isVectorized() {
+ $handler = $this->getHandler();
+ if ( $handler ) {
+ return $handler->isVectorized( $this );
+ } else {
+ return false;
+ }
+ }
+
/**
* Get handler-specific metadata
* Overridden by LocalFile, UnregisteredLocalFile
* STUB
*/
- function getMetadata() { return false; }
+ public function getMetadata() { return false; }
+
+ /**
+ * get versioned metadata
+ *
+ * @param $metadata Mixed Array or String of (serialized) metadata
+ * @param $version integer version number.
+ * @return Array containing metadata, or what was passed to it on fail (unserializing if not array)
+ */
+ public function convertMetadataVersion($metadata, $version) {
+ $handler = $this->getHandler();
+ if ( !is_array( $metadata ) ) {
+ //just to make the return type consistant
+ $metadata = unserialize( $metadata );
+ }
+ if ( $handler ) {
+ return $handler->convertMetadataVersion( $metadata, $version );
+ } else {
+ return $metadata;
+ }
+ }
+
+ /**
+ * Return the bit depth of the file
+ * Overridden by LocalFile
+ * STUB
+ */
+ public function getBitDepth() { return 0; }
/**
* Return the size of the image file, in bytes
* Overridden by LocalFile, UnregisteredLocalFile
* STUB
- * @public
*/
- function getSize() { return false; }
+ public function getSize() { return false; }
/**
* Returns the mime type of the file.
function getMediaType() { return MEDIATYPE_UNKNOWN; }
/**
- * Checks if the file can be presented to the browser as a bitmap.
+ * Checks if the output of transform() for this file is likely
+ * to be valid. If this is false, various user elements will
+ * display a placeholder instead.
*
* Currently, this checks if the file is an image format
* that can be converted to a format
*/
function canRender() {
if ( !isset( $this->canRender ) ) {
- $this->canRender = $this->getHandler() && $this->handler->canRender();
+ $this->canRender = $this->getHandler() && $this->handler->canRender( $this );
}
return $this->canRender;
}
* @return bool
*/
function mustRender() {
- return $this->getHandler() && $this->handler->mustRender();
+ return $this->getHandler() && $this->handler->mustRender( $this );
}
/**
- * Determines if this media file may be shown inline on a page.
- *
- * This is currently synonymous to canRender(), but this could be
- * extended to also allow inline display of other media,
- * like flash animations or videos. If you do so, please keep in mind that
- * that could be a security risk.
+ * Alias for canRender()
*/
function allowInlineDisplay() {
return $this->canRender();
}
return $this->isSafeFile;
}
-
+
/** Accessor for __get() */
protected function getIsSafeFile() {
return $this->isSafeFile();
* Returns true if file exists in the repository.
*
* Overridden by LocalFile to avoid unnecessary stat calls.
- *
+ *
* @return boolean Whether file exists in the repository.
- * @public
*/
- function exists() {
+ public function exists() {
return $this->getPath() && file_exists( $this->path );
}
+ /**
+ * Returns true if file exists in the repository and can be included in a page.
+ * It would be unsafe to include private images, making public thumbnails inadvertently
+ *
+ * @return boolean Whether file exists in the repository and is includable.
+ */
+ public function isVisible() {
+ return $this->exists();
+ }
+
function getTransformScript() {
if ( !isset( $this->transformScript ) ) {
$this->transformScript = false;
/**
* Get a ThumbnailImage which is the same size as the source
*/
- function getUnscaledThumb( $page = false ) {
+ function getUnscaledThumb( $handlerParams = array() ) {
+ $hp =& $handlerParams;
+ $page = isset( $hp['page'] ) ? $hp['page'] : false;
$width = $this->getWidth( $page );
if ( !$width ) {
return $this->iconThumb();
}
- if ( $page ) {
- $params = array(
- 'page' => $page,
- 'width' => $this->getWidth( $page )
- );
- } else {
- $params = array( 'width' => $this->getWidth() );
- }
- return $this->transform( $params );
+ $hp['width'] = $width;
+ return $this->transform( $hp );
}
/**
* Return the file name of a thumbnail with the specified parameters
*
- * @param array $params Handler-specific parameters
- * @private
+ * @param $params Array: handler-specific parameters
+ * @private -ish
*/
function thumbName( $params ) {
+ return $this->generateThumbName( $this->getName(), $params );
+ }
+
+ /**
+ * Generate a thumbnail file name from a name and specified parameters
+ *
+ * @param string $name
+ * @param array $params Parameters which will be passed to MediaHandler::makeParamString
+ */
+ function generateThumbName( $name, $params ) {
if ( !$this->getHandler() ) {
return null;
}
$extension = $this->getExtension();
- list( $thumbExt, $thumbMime ) = $this->handler->getThumbType( $extension, $this->getMimeType() );
- $thumbName = $this->handler->makeParamString( $params ) . '-' . $this->getName();
+ list( $thumbExt, $thumbMime ) = $this->handler->getThumbType( $extension, $this->getMimeType(), $params );
+ $thumbName = $this->handler->makeParamString( $params ) . '-' . $name;
if ( $thumbExt != $extension ) {
$thumbName .= ".$thumbExt";
}
* specified, the generated image will be no bigger than width x height,
* and will also have correct aspect ratio.
*
- * @param integer $width maximum width of the generated thumbnail
- * @param integer $height maximum height of the image (optional)
- * @public
+ * @param $width Integer: maximum width of the generated thumbnail
+ * @param $height Integer: maximum height of the image (optional)
*/
- function createThumb( $width, $height = -1 ) {
+ public function createThumb( $width, $height = -1 ) {
$params = array( 'width' => $width );
if ( $height != -1 ) {
$params['height'] = $height;
return $thumb->getUrl();
}
- /**
- * As createThumb, but returns a ThumbnailImage object. This can
- * provide access to the actual file, the real size of the thumb,
- * and can produce a convenient <img> tag for you.
- *
- * For non-image formats, this may return a filetype-specific icon.
- *
- * @param integer $width maximum width of the generated thumbnail
- * @param integer $height maximum height of the image (optional)
- * @param boolean $render True to render the thumbnail if it doesn't exist,
- * false to just return the URL
- *
- * @return ThumbnailImage or null on failure
- * @public
- *
- * @deprecated use transform()
- */
- function getThumbnail( $width, $height=-1, $render = true ) {
- $params = array( 'width' => $width );
- if ( $height != -1 ) {
- $params['height'] = $height;
- }
- $flags = $render ? self::RENDER_NOW : 0;
- return $this->transform( $params, $flags );
- }
-
/**
* Transform a media file
*
- * @param array $params An associative array of handler-specific parameters. Typical
- * keys are width, height and page.
- * @param integer $flags A bitfield, may contain self::RENDER_NOW to force rendering
- * @return MediaTransformOutput
+ * @param $params Array: an associative array of handler-specific parameters.
+ * Typical keys are width, height and page.
+ * @param $flags Integer: a bitfield, may contain self::RENDER_NOW to force rendering
+ * @return MediaTransformOutput | false
*/
function transform( $params, $flags = 0 ) {
- global $wgUseSquid, $wgIgnoreImageErrors;
+ global $wgUseSquid, $wgIgnoreImageErrors, $wgThumbnailEpoch, $wgServer;
wfProfileIn( __METHOD__ );
do {
- if ( !$this->getHandler() || !$this->handler->canRender() ) {
+ if ( !$this->canRender() ) {
// not a bitmap or renderable image, don't try.
$thumb = $this->iconThumb();
break;
}
+ // Get the descriptionUrl to embed it as comment into the thumbnail. Bug 19791.
+ $descriptionUrl = $this->getDescriptionUrl();
+ if ( $descriptionUrl ) {
+ $params['descriptionUrl'] = $wgServer . $descriptionUrl;
+ }
+
$script = $this->getTransformScript();
if ( $script && !($flags & self::RENDER_NOW) ) {
- // Use a script to transform on client request
+ // Use a script to transform on client request, if possible
$thumb = $this->handler->getScriptedTransform( $this, $script, $params );
- break;
+ if( $thumb ) {
+ break;
+ }
}
$normalisedParams = $params;
$this->handler->normaliseParams( $this, $normalisedParams );
- $thumbName = $this->thumbName( $normalisedParams );
+ $thumbName = $this->thumbName( $normalisedParams );
$thumbPath = $this->getThumbPath( $thumbName );
$thumbUrl = $this->getThumbUrl( $thumbName );
- if ( $this->repo->canTransformVia404() && !($flags & self::RENDER_NOW ) ) {
+ if ( $this->repo && $this->repo->canTransformVia404() && !($flags & self::RENDER_NOW ) ) {
$thumb = $this->handler->getTransform( $this, $thumbPath, $thumbUrl, $params );
break;
}
wfDebug( __METHOD__.": Doing stat for $thumbPath\n" );
$this->migrateThumbFile( $thumbName );
- if ( file_exists( $thumbPath ) ) {
- $thumb = $this->handler->getTransform( $this, $thumbPath, $thumbUrl, $params );
- break;
+ if ( file_exists( $thumbPath )) {
+ $thumbTime = filemtime( $thumbPath );
+ if ( $thumbTime !== FALSE &&
+ gmdate( 'YmdHis', $thumbTime ) >= $wgThumbnailEpoch ) {
+
+ $thumb = $this->handler->getTransform( $this, $thumbPath, $thumbUrl, $params );
+ break;
+ }
}
$thumb = $this->handler->doTransform( $this, $thumbPath, $thumbUrl, $params );
$thumb = $this->handler->getTransform( $this, $thumbPath, $thumbUrl, $params );
}
}
-
- if ( $wgUseSquid ) {
- wfPurgeSquidServers( array( $thumbUrl ) );
+
+ // Purge. Useful in the event of Core -> Squid connection failure or squid
+ // purge collisions from elsewhere during failure. Don't keep triggering for
+ // "thumbs" which have the main image URL though (bug 13776)
+ if ( $wgUseSquid && ( !$thumb || $thumb->isError() || $thumb->getUrl() != $this->getURL()) ) {
+ SquidUpdate::purge( array( $thumbUrl ) );
}
} while (false);
wfProfileOut( __METHOD__ );
- return $thumb;
+ return is_object( $thumb ) ? $thumb : false;
}
- /**
+ /**
* Hook into transform() to allow migration of thumbnail files
* STUB
* Overridden by LocalFile
*/
- function migrateThumbFile() {}
+ function migrateThumbFile( $thumbName ) {}
/**
* Get a MediaHandler instance for this file
+ * @return MediaHandler
*/
- function getHandler() {
+ function getHandler() {
if ( !isset( $this->handler ) ) {
$this->handler = MediaHandler::getHandler( $this->getMimeType() );
}
$path = '/common/images/icons/' . $icon;
$filepath = $wgStyleDirectory . $path;
if( file_exists( $filepath ) ) {
- return new ThumbnailImage( $wgStylePath . $path, 120, 120 );
+ return new ThumbnailImage( $this, $wgStylePath . $path, 120, 120 );
}
}
return null;
* STUB
* Overridden by LocalFile
*/
- function purgeCache( $archiveFiles = array() ) {}
+ function purgeCache() {}
/**
* Purge the file description page, but don't go after
$title->purgeSquid();
}
}
-
+
/**
* Purge metadata and all affected pages when the file is created,
- * deleted, or majorly updated. A set of additional URLs may be
- * passed to purge, such as specific file files which have changed.
- * @param $urlArray array
+ * deleted, or majorly updated.
*/
- function purgeEverything( $urlArr=array() ) {
+ function purgeEverything() {
// Delete thumbnails and refresh file metadata cache
$this->purgeCache();
$this->purgeDescription();
}
/**
- * Return the history of this file, line by line. Starts with current version,
- * then old versions. Should return an object similar to an image/oldimage
+ * Return a fragment of the history of file.
+ *
+ * STUB
+ * @param $limit integer Limit of rows to return
+ * @param $start timestamp Only revisions older than $start will be returned
+ * @param $end timestamp Only revisions newer than $end will be returned
+ * @param $inc bool Include the endpoints of the time range
+ */
+ function getHistory($limit = null, $start = null, $end = null, $inc=true) {
+ return array();
+ }
+
+ /**
+ * Return the history of this file, line by line. Starts with current version,
+ * then old versions. Should return an object similar to an image/oldimage
* database row.
*
- * @public
* STUB
* Overridden in LocalFile
*/
- function nextHistoryLine() {
+ public function nextHistoryLine() {
return false;
}
/**
- * Reset the history pointer to the first element of the history
- * @public
+ * Reset the history pointer to the first element of the history.
+ * Always call this function after using nextHistoryLine() to free db resources
* STUB
* Overridden in LocalFile.
*/
- function resetHistory() {}
+ public function resetHistory() {}
/**
* Get the filename hash component of the directory including trailing slash,
return $this->getHashPath() . rawurlencode( $this->getName() );
}
- /** Get the path of the archive directory, or a particular file if $suffix is specified */
- function getArchivePath( $suffix = false ) {
- $path = $this->repo->getZonePath('public') . '/archive/' . $this->getHashPath();
+ /** Get the relative path for an archive file */
+ function getArchiveRel( $suffix = false ) {
+ $path = 'archive/' . $this->getHashPath();
if ( $suffix === false ) {
$path = substr( $path, 0, -1 );
} else {
return $path;
}
+ /** Get the path of the archive directory, or a particular file if $suffix is specified */
+ function getArchivePath( $suffix = false ) {
+ return $this->repo->getZonePath('public') . '/' . $this->getArchiveRel( $suffix );
+ }
+
/** Get the path of the thumbnail directory, or a particular file if $suffix is specified */
function getThumbPath( $suffix = false ) {
- $path = $this->repo->getZonePath('public') . '/thumb/' . $this->getRel();
+ $path = $this->repo->getZonePath('thumb') . '/' . $this->getRel();
if ( $suffix !== false ) {
$path .= '/' . $suffix;
}
/** Get the URL of the thumbnail directory, or a particular file if $suffix is specified */
function getThumbUrl( $suffix = false ) {
- $path = $this->repo->getZoneUrl('public') . '/thumb/' . $this->getUrlRel();
+ $path = $this->repo->getZoneUrl('thumb') . '/' . $this->getUrlRel();
if ( $suffix !== false ) {
$path .= '/' . rawurlencode( $suffix );
}
/** Get the virtual URL for a thumbnail file or directory */
function getThumbVirtualUrl( $suffix = false ) {
- $path = $this->repo->getVirtualUrl() . '/public/thumb/' . $this->getUrlRel();
+ $path = $this->repo->getVirtualUrl() . '/thumb/' . $this->getUrlRel();
if ( $suffix !== false ) {
$path .= '/' . rawurlencode( $suffix );
}
$path .= '/' . rawurlencode( $suffix );
}
return $path;
- }
+ }
/**
* @return bool
* STUB
* Overridden by LocalFile
*/
- function recordUpload( $oldver, $desc, $license = '', $copyStatus = '', $source = '', $watch = false ) {
- $this->readOnlyError();
+ function recordUpload( $oldver, $desc, $license = '', $copyStatus = '', $source = '', $watch = false ) {
+ $this->readOnlyError();
}
/**
- * Move or copy a file to its public location. If a file exists at the
- * destination, move it to an archive. Returns the archive name on success
- * or an empty string if it was a new file, and a wikitext-formatted
- * WikiError object on failure.
+ * Move or copy a file to its public location. If a file exists at the
+ * destination, move it to an archive. Returns a FileRepoStatus object with
+ * the archive name in the "value" member on success.
*
* The archive name should be passed through to recordUpload for database
* registration.
*
- * @param string $sourcePath Local filesystem path to the source image
- * @param integer $flags A bitwise combination of:
- * File::DELETE_SOURCE Delete the source file, i.e. move
+ * @param $srcPath String: local filesystem path to the source image
+ * @param $flags Integer: a bitwise combination of:
+ * File::DELETE_SOURCE Delete the source file, i.e. move
* rather than copy
- * @return The archive name on success or an empty string if it was a new
- * file, and a wikitext-formatted WikiError object on failure.
+ * @return FileRepoStatus object. On success, the value member contains the
+ * archive name, or an empty string if it was a new file.
*
* STUB
* Overridden by LocalFile
$this->readOnlyError();
}
- /**
- * Get an array of Title objects which are articles which use this file
- * Also adds their IDs to the link cache
- *
- * This is mostly copied from Title::getLinksTo()
- *
- * @deprecated Use HTMLCacheUpdate, this function uses too much memory
- */
- function getLinksTo( $options = '' ) {
- wfProfileIn( __METHOD__ );
-
- // Note: use local DB not repo DB, we want to know local links
- if ( $options ) {
- $db = wfGetDB( DB_MASTER );
- } else {
- $db = wfGetDB( DB_SLAVE );
- }
- $linkCache =& LinkCache::singleton();
-
- list( $page, $imagelinks ) = $db->tableNamesN( 'page', 'imagelinks' );
- $encName = $db->addQuotes( $this->getName() );
- $sql = "SELECT page_namespace,page_title,page_id FROM $page,$imagelinks WHERE page_id=il_from AND il_to=$encName $options";
- $res = $db->query( $sql, __METHOD__ );
-
- $retVal = array();
- if ( $db->numRows( $res ) ) {
- while ( $row = $db->fetchObject( $res ) ) {
- if ( $titleObj = Title::makeTitle( $row->page_namespace, $row->page_title ) ) {
- $linkCache->addGoodLinkObj( $row->page_id, $titleObj );
- $retVal[] = $titleObj;
- }
- }
- }
- $db->freeResult( $res );
- wfProfileOut( __METHOD__ );
- return $retVal;
- }
-
- function getExifData() {
- if ( !$this->getHandler() || $this->handler->getMetadataType( $this ) != 'exif' ) {
- return array();
- }
- $metadata = $this->getMetadata();
- if ( !$metadata ) {
- return array();
- }
- $exif = unserialize( $metadata );
- if ( !$exif ) {
- return array();
+ function formatMetadata() {
+ if ( !$this->getHandler() ) {
+ return false;
}
- unset( $exif['MEDIAWIKI_EXIF_VERSION'] );
- $format = new FormatExif( $exif );
-
- return $format->getFormattedData();
+ return $this->getHandler()->formatMetadata( $this, $this->getMetadata() );
}
/**
*
* @return bool
*/
- function isLocal() {
- return $this->repo && $this->repo->getName() == 'local';
+ function isLocal() {
+ $repo = $this->getRepo();
+ return $repo && $repo->isLocal();
+ }
+
+ /**
+ * Returns the name of the repository.
+ *
+ * @return string
+ */
+ function getRepoName() {
+ return $this->repo ? $this->repo->getName() : 'unknown';
+ }
+
+ /*
+ * Returns the repository
+ */
+ function getRepo() {
+ return $this->repo;
}
/**
return false;
}
+ /**
+ * Return the deletion bitfield
+ * STUB
+ */
+ function getVisibility() {
+ return 0;
+ }
+
/**
* Was this file ever deleted from the wiki?
*
*/
function wasDeleted() {
$title = $this->getTitle();
- return $title && $title->isDeleted() > 0;
+ return $title && $title->isDeletedQuick();
}
+ /**
+ * Move file to the new title
+ *
+ * Move current, old version and all thumbnails
+ * to the new filename. Old file is deleted.
+ *
+ * Cache purging is done; checks for validity
+ * and logging are caller's responsibility
+ *
+ * @param $target Title New file name
+ * @return FileRepoStatus object.
+ */
+ function move( $target ) {
+ $this->readOnlyError();
+ }
+
/**
* Delete all versions of the file.
*
*
* Cache purging is done; logging is caller's responsibility.
*
- * @param $reason
+ * @param $reason String
+ * @param $suppress Boolean: hide content from sysops?
* @return true on success, false on some kind of failure
* STUB
* Overridden by LocalFile
*/
- function delete( $reason, $suppress=false ) {
+ function delete( $reason, $suppress = false ) {
$this->readOnlyError();
}
*
* @param $versions set of record ids of deleted items to restore,
* or empty to restore all revisions.
+ * @param $unsuppress remove restrictions on content upon restoration?
* @return the number of file revisions restored if successful,
* or false on failure
* STUB
* Overridden by LocalFile
*/
- function restore( $versions=array(), $Unsuppress=false ) {
+ function restore( $versions=array(), $unsuppress=false ) {
$this->readOnlyError();
}
/**
- * Returns 'true' if this image is a multipage document, e.g. a DJVU
- * document.
+ * Returns 'true' if this file is a type which supports multiple pages,
+ * e.g. DJVU or PDF. Note that this may be true even if the file in
+ * question only has a single page.
*
* @return Bool
*/
function isMultipage() {
- return $this->getHandler() && $this->handler->isMultiPage();
+ return $this->getHandler() && $this->handler->isMultiPage( $this );
}
/**
- * Returns the number of pages of a multipage document, or NULL for
+ * Returns the number of pages of a multipage document, or false for
* documents which aren't multipage documents
*/
function pageCount() {
if ( !isset( $this->pageCount ) ) {
- if ( $this->getHandler() && $this->handler->isMultiPage() ) {
+ if ( $this->getHandler() && $this->handler->isMultiPage( $this ) ) {
$this->pageCount = $this->handler->pageCount( $this );
} else {
$this->pageCount = false;
return round( $srcHeight * $dstWidth / $srcWidth );
}
}
-
+
/**
- * Get an image size array like that returned by getimagesize(), or false if it
+ * Get an image size array like that returned by getImageSize(), or false if it
* can't be determined.
*
- * @param string $fileName The filename
- * @return array
+ * @param $fileName String: The filename
+ * @return Array
*/
function getImageSize( $fileName ) {
if ( !$this->getHandler() ) {
* Get the HTML text of the description page, if available
*/
function getDescriptionText() {
+ global $wgMemc, $wgLang;
if ( !$this->repo->fetchDescription ) {
return false;
}
- $renderUrl = $this->repo->getDescriptionRenderUrl( $this->getName() );
+ $renderUrl = $this->repo->getDescriptionRenderUrl( $this->getName(), $wgLang->getCode() );
if ( $renderUrl ) {
+ if ( $this->repo->descriptionCacheExpiry > 0 ) {
+ wfDebug("Attempting to get the description from cache...");
+ $key = $this->repo->getLocalCacheKey( 'RemoteFileDescription', 'url', $wgLang->getCode(),
+ $this->getName() );
+ $obj = $wgMemc->get($key);
+ if ($obj) {
+ wfDebug("success!\n");
+ return $obj;
+ }
+ wfDebug("miss\n");
+ }
wfDebug( "Fetching shared description from $renderUrl\n" );
- return Http::get( $renderUrl );
+ $res = Http::get( $renderUrl );
+ if ( $res && $this->repo->descriptionCacheExpiry > 0 ) {
+ $wgMemc->set( $key, $res, $this->repo->descriptionCacheExpiry );
+ }
+ return $res;
} else {
return false;
}
}
/**
- * Get the 14-character timestamp of the file upload, or false if
+ * Get discription of file revision
+ * STUB
*/
- function getTimestmap() {
+ function getDescription() {
+ return null;
+ }
+
+ /**
+ * Get the 14-character timestamp of the file upload, or false if
+ * it doesn't exist
+ */
+ function getTimestamp() {
$path = $this->getPath();
if ( !file_exists( $path ) ) {
return false;
}
- return wfTimestamp( filemtime( $path ) );
+ return wfTimestamp( TS_MW, filemtime( $path ) );
+ }
+
+ /**
+ * Get the SHA-1 base 36 hash of the file
+ */
+ function getSha1() {
+ return self::sha1Base36( $this->getPath() );
+ }
+
+ /**
+ * Get the deletion archive key, <sha1>.<ext>
+ */
+ function getStorageKey() {
+ $hash = $this->getSha1();
+ if ( !$hash ) {
+ return false;
+ }
+ $ext = $this->getExtension();
+ $dotExt = $ext === '' ? '' : ".$ext";
+ return $hash . $dotExt;
}
-
+
/**
* Determine if the current user is allowed to view a particular
* field of this file, if it's marked as deleted.
* STUB
- * @param int $field
- * @return bool
+ * @param $field Integer
+ * @return Boolean
*/
function userCan( $field ) {
return true;
}
/**
- * Get an associative array containing information about a file in the local filesystem\
+ * Get an associative array containing information about a file in the local filesystem.
*
- * @param string $path Absolute local filesystem path
- * @param mixed $ext The file extension, or true to extract it from the filename.
- * Set it to false to ignore the extension.
+ * @param $path String: absolute local filesystem path
+ * @param $ext Mixed: the file extension, or true to extract it from the filename.
+ * Set it to false to ignore the extension.
*/
static function getPropsFromPath( $path, $ext = true ) {
wfProfileIn( __METHOD__ );
wfDebug( __METHOD__.": Getting file info for $path\n" );
- $info = array( 'fileExists' => file_exists( $path ) );
+ $info = array(
+ 'fileExists' => file_exists( $path ) && !is_dir( $path )
+ );
$gis = false;
if ( $info['fileExists'] ) {
$magic = MimeMagic::singleton();
- $info['mime'] = $magic->guessMimeType( $path, $ext );
+ if ( $ext === true ) {
+ $i = strrpos( $path, '.' );
+ $ext = strtolower( $i ? substr( $path, $i + 1 ) : '' );
+ }
+
+ # mime type according to file contents
+ $info['file-mime'] = $magic->guessMimeType( $path, false );
+ # logical mime type
+ $info['mime'] = $magic->improveTypeFromExtension( $info['file-mime'], $ext );
+
list( $info['major_mime'], $info['minor_mime'] ) = self::splitMime( $info['mime'] );
$info['media_type'] = $magic->getMediaType( $path, $info['mime'] );
$handler = MediaHandler::getHandler( $info['mime'] );
if ( $handler ) {
$tempImage = (object)array();
- $gis = $handler->getImageSize( $tempImage, $path );
$info['metadata'] = $handler->getMetadata( $tempImage, $path );
+ $gis = $handler->getImageSize( $tempImage, $path, $info['metadata'] );
} else {
$gis = false;
$info['metadata'] = '';
}
+ $info['sha1'] = self::sha1Base36( $path );
wfDebug(__METHOD__.": $path loaded, {$info['size']} bytes, {$info['mime']}.\n");
} else {
- $info['mime'] = NULL;
+ $info['mime'] = null;
$info['media_type'] = MEDIATYPE_UNKNOWN;
$info['metadata'] = '';
+ $info['sha1'] = '';
wfDebug(__METHOD__.": $path NOT FOUND!\n");
}
if( $gis ) {
wfProfileOut( __METHOD__ );
return $info;
}
-}
-?>
+ /**
+ * Get a SHA-1 hash of a file in the local filesystem, in base-36 lower case
+ * encoding, zero padded to 31 digits.
+ *
+ * 160 log 2 / log 36 = 30.95, so the 160-bit hash fills 31 digits in base 36
+ * fairly neatly.
+ *
+ * Returns false on failure
+ */
+ static function sha1Base36( $path ) {
+ wfSuppressWarnings();
+ $hash = sha1_file( $path );
+ wfRestoreWarnings();
+ if ( $hash === false ) {
+ return false;
+ } else {
+ return wfBaseConvert( $hash, 16, 36, 31 );
+ }
+ }
+
+ function getLongDesc() {
+ $handler = $this->getHandler();
+ if ( $handler ) {
+ return $handler->getLongDesc( $this );
+ } else {
+ return MediaHandler::getGeneralLongDesc( $this );
+ }
+ }
+
+ function getShortDesc() {
+ $handler = $this->getHandler();
+ if ( $handler ) {
+ return $handler->getShortDesc( $this );
+ } else {
+ return MediaHandler::getGeneralShortDesc( $this );
+ }
+ }
+
+ function getDimensionsString() {
+ $handler = $this->getHandler();
+ if ( $handler ) {
+ return $handler->getDimensionsString( $this );
+ } else {
+ return '';
+ }
+ }
+
+ function getRedirected() {
+ return $this->redirected;
+ }
+
+ function getRedirectedTitle() {
+ if ( $this->redirected ) {
+ if ( !$this->redirectTitle ) {
+ $this->redirectTitle = Title::makeTitle( NS_FILE, $this->redirected );
+ }
+ return $this->redirectTitle;
+ }
+ }
+
+ function redirectedFrom( $from ) {
+ $this->redirected = $from;
+ }
+
+ function isMissing() {
+ return false;
+ }
+}
+/**
+ * Aliases for backwards compatibility with 1.6
+ */
+define( 'MW_IMG_DELETED_FILE', File::DELETED_FILE );
+define( 'MW_IMG_DELETED_COMMENT', File::DELETED_COMMENT );
+define( 'MW_IMG_DELETED_USER', File::DELETED_USER );
+define( 'MW_IMG_DELETED_RESTRICTED', File::DELETED_RESTRICTED );
dépôts / lhc / web / wiklou.git / blobdiff