<?php
+/**
+ * Base code for files.
+ *
+ * @file
+ * @ingroup FileRepo
+ */
/**
* Implements some public methods and some protected utility functions which
/**
* The following member variables are not lazy-initialised
*/
- var $repo, $title, $lastError, $redirected, $redirectedTitle;
+
+ /**
+ * @var LocalRepo
+ */
+ var $repo;
+
+ /**
+ * @var Title
+ */
+ var $title;
+
+ var $lastError, $redirected, $redirectedTitle;
+
+ /**
+ * @var MediaHandler
+ */
+ protected $handler;
/**
* Call this constructor from child classes
* 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 the associated title object
+ * @return Title
*/
public function getTitle() { return $this->title; }
-
+
/**
* Return the title used to find this file
*/
* 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
+ *
+ * @return String
*/
public function getFullUrl() {
return wfExpandUrl( $this->getUrl() );
* 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.
+ * Most callers don't check the return value, but ForeignAPIFile::getPath
+ * returns false.
*/
public function getPath() {
if ( !isset( $this->path ) ) {
/**
* Alias for getPath()
+ *
+ * @deprecated since 1.18 Use getPath().
*/
public function getFullPath() {
+ wfDeprecated( __METHOD__ );
return $this->getPath();
}
}
}
+ /**
+ * 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
*/
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
* 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() {
+ public function isVisible() {
return $this->exists();
}
/**
* 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
+ * @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)
+ * @param $width Integer: maximum width of the generated thumbnail
+ * @param $height Integer: maximum height of the image (optional)
*/
public function createThumb( $width, $height = -1 ) {
$params = array( 'width' => $width );
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
- *
- * @deprecated use transform()
- */
- public 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 {
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, if possible
$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 );
}
}
-
- // Purge. Useful in the event of Core -> Squid connection failure or squid
- // purge collisions from elsewhere during failure. Don't keep triggering for
+
+ // 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;
}
/**
/**
* Get a MediaHandler instance for this file
+ * @return MediaHandler
*/
function getHandler() {
if ( !isset( $this->handler ) ) {
* @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, $end = null) {
+ function getHistory($limit = null, $start = null, $end = null, $inc=true) {
return array();
}
return $path;
}
- /** Get relative path for a thumbnail file */
- function getThumbRel( $suffix = false ) {
- $path = $this->repo->thumbDir . $this->getRel();
- if ( $suffix !== false ) {
- $path .= '/' . $suffix;
- }
- 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 ) {
- return $this->repo->getZonePath('public') . '/' . $this->getThumbRel( $suffix );
+ $path = $this->repo->getZonePath('thumb') . '/' . $this->getRel();
+ if ( $suffix !== false ) {
+ $path .= '/' . $suffix;
+ }
+ return $path;
}
/** Get the URL of the archive directory, or a particular file if $suffix is specified */
/** Get the URL of the thumbnail directory, or a particular file if $suffix is specified */
function getThumbUrl( $suffix = false ) {
- $path = $this->repo->getZoneUrl('public') . '/'. $this->repo->thumbDir . $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/' . $this->repo->thumbDir . $this->getUrlRel();
+ $path = $this->repo->getVirtualUrl() . '/thumb/' . $this->getUrlRel();
if ( $suffix !== false ) {
$path .= '/' . rawurlencode( $suffix );
}
/**
* 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.
+ * 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:
+ * @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,page_len,page_is_redirect,
- 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::newFromRow( $row ) ) {
- $linkCache->addGoodLinkObj( $row->page_id, $titleObj, $row->page_len, $row->page_is_redirect );
- $retVal[] = $titleObj;
- }
- }
- }
- $db->freeResult( $res );
- wfProfileOut( __METHOD__ );
- return $retVal;
- }
-
function formatMetadata() {
if ( !$this->getHandler() ) {
return false;
* @return bool
*/
function isLocal() {
- return $this->getRepoName() == 'local';
+ $repo = $this->getRepo();
+ return $repo && $repo->isLocal();
}
/**
function getRepoName() {
return $this->repo ? $this->repo->getName() : 'unknown';
}
+
/*
* Returns the repository
*/
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();
}
/**
*
* Cache purging is done; logging is caller's responsibility.
*
- * @param $reason
- * @param $suppress, hide content from sysops?
+ * @param $reason String
+ * @param $suppress Boolean: hide content from sysops?
* @return true on success, false on some kind of failure
* STUB
* Overridden by LocalFile
*
* @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?
+ * @param $unsuppress remove restrictions on content upon restoration?
* @return the number of file revisions restored if successful,
* or false on failure
* STUB
}
/**
- * 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
*/
}
/**
- * 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() {
}
/**
- * 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;
+ 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...");
- $key = wfMemcKey( 'RemoteFileDescription', 'url', md5($renderUrl) );
+ $key = $this->repo->getLocalCacheKey( 'RemoteFileDescription', 'url', $wgLang->getCode(),
+ $this->getName() );
$obj = $wgMemc->get($key);
if ($obj) {
wfDebug("success!\n");
}
wfDebug( "Fetching shared description from $renderUrl\n" );
$res = Http::get( $renderUrl );
- if ( $res && $this->repo->descriptionCacheExpiry > 0 ) $wgMemc->set( $key, $res, $this->repo->descriptionCacheExpiry );
+ if ( $res && $this->repo->descriptionCacheExpiry > 0 ) {
+ $wgMemc->set( $key, $res, $this->repo->descriptionCacheExpiry );
+ }
return $res;
} else {
return false;
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.
*
- * @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__ );
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'] );
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'] = '';
if ( $handler ) {
return $handler->getLongDesc( $this );
} else {
- return MediaHandler::getLongDesc( $this );
+ return MediaHandler::getGeneralLongDesc( $this );
}
}
if ( $handler ) {
return $handler->getShortDesc( $this );
} else {
- return MediaHandler::getShortDesc( $this );
+ return MediaHandler::getGeneralShortDesc( $this );
}
}
function getRedirected() {
return $this->redirected;
}
-
+
function getRedirectedTitle() {
if ( $this->redirected ) {
- if ( !$this->redirectTitle )
- $this->redirectTitle = Title::makeTitle( NS_IMAGE, $this->redirected );
+ if ( !$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