const DELETED_COMMENT = 2;
const DELETED_USER = 4;
const DELETED_RESTRICTED = 8;
- const RENDER_NOW = 1;
+
+ /** Force rendering in the current process */
+ const RENDER_NOW = 1;
+ /**
+ * Force rendering even if thumbnail already exist and using RENDER_NOW
+ * I.e. you have to pass both flags: File::RENDER_NOW | File::RENDER_FORCE
+ */
+ const RENDER_FORCE = 2;
const DELETE_SOURCE = 1;
*/
/**
- * @var LocalRepo
+ * @var FileRepo|false
*/
var $repo;
/**
- * @var Title
+ * @var Title|false
*/
var $title;
*/
protected $handler;
+ protected $url, $extension, $name, $path, $hashPath, $pageCount, $transformScript;
+
/**
- * Call this constructor from child classes
+ * @var bool
+ */
+ protected $canRender, $isSafeFile;
+
+ /**
+ * @var string Required Repository class type
+ */
+ protected $repoClass = 'FileRepo';
+
+ /**
+ * Call this constructor from child classes.
+ *
+ * Both $title and $repo are optional, though some functions
+ * may return false or throw exceptions if they are not set.
+ * Most subclasses will want to call assertRepoDefined() here.
+ *
+ * @param $title Title|string|false
+ * @param $repo FileRepo|false
*/
function __construct( $title, $repo ) {
+ if ( $title !== false ) { // subclasses may not use MW titles
+ $title = self::normalizeTitle( $title, 'exception' );
+ }
$this->title = $title;
$this->repo = $repo;
}
+ /**
+ * Given a string or Title object return either a
+ * valid Title object with namespace NS_FILE or null
+ * @param $title Title|string
+ * @param $exception string|false Use 'exception' to throw an error on bad titles
+ * @return Title|null
+ */
+ static function normalizeTitle( $title, $exception = false ) {
+ $ret = $title;
+ if ( $ret instanceof Title ) {
+ # Normalize NS_MEDIA -> NS_FILE
+ if ( $ret->getNamespace() == NS_MEDIA ) {
+ $ret = Title::makeTitleSafe( NS_FILE, $ret->getDBkey() );
+ # Sanity check the title namespace
+ } elseif ( $ret->getNamespace() !== NS_FILE ) {
+ $ret = null;
+ }
+ } else {
+ # Convert strings to Title objects
+ $ret = Title::makeTitleSafe( NS_FILE, (string)$ret );
+ }
+ if ( !$ret && $exception !== false ) {
+ throw new MWException( "`$title` is not a valid file title." );
+ }
+ return $ret;
+ }
+
function __get( $name ) {
$function = array( $this, 'get' . ucfirst( $name ) );
if ( !is_callable( $function ) ) {
*
* @param $old File Old file
* @param $new string New name
- *
+ *
* @return bool|null
*/
static function checkExtensionCompatibility( File $old, $new ) {
*/
public function getName() {
if ( !isset( $this->name ) ) {
+ $this->assertRepoDefined();
$this->name = $this->repo->getNameFromTitle( $this->title );
}
return $this->name;
/**
* Return the associated title object
- * @return Title
+ * @return Title|false
*/
public function getTitle() { return $this->title; }
*/
public function getUrl() {
if ( !isset( $this->url ) ) {
+ $this->assertRepoDefined();
$this->url = $this->repo->getZoneUrl( 'public' ) . '/' . $this->getUrlRel();
}
return $this->url;
* @return String
*/
public function getFullUrl() {
- return wfExpandUrl( $this->getUrl() );
+ return wfExpandUrl( $this->getUrl(), PROTO_RELATIVE );
+ }
+
+ /**
+ * @return string
+ */
+ public function getCanonicalUrl() {
+ return wfExpandUrl( $this->getUrl(), PROTO_CANONICAL );
}
/**
*/
public function getPath() {
if ( !isset( $this->path ) ) {
- $this->path = $this->repo->getZonePath('public') . '/' . $this->getRel();
+ $this->assertRepoDefined();
+ $this->path = $this->repo->getZonePath( 'public' ) . '/' . $this->getRel();
}
return $this->path;
}
- /**
- * Alias for getPath()
- *
- * @deprecated since 1.18 Use getPath().
- *
- * @return string
- */
- public function getFullPath() {
- wfDeprecated( __METHOD__ );
- return $this->getPath();
- }
-
/**
* Return the width of the image. Returns false if the width is unknown
* or undefined.
* STUB
* Overridden by LocalFile, UnregisteredLocalFile
*
+ * @param $page int
+ *
* @return false|number
*/
public function getHeight( $page = 1 ) {
/**
* Accessor for __get()
- *
+ *
* @return bool
*/
protected function getIsSafeFile() {
return $thumb->getUrl();
}
+ /**
+ * Do the work of a transform (from an original into a thumb).
+ * Contains filesystem-specific functions.
+ *
+ * @param $thumbName string: the name of the thumbnail file.
+ * @param $thumbUrl string: the URL of the thumbnail file.
+ * @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
+ */
+ protected function maybeDoTransform( $thumbName, $thumbUrl, $params, $flags = 0 ) {
+ global $wgIgnoreImageErrors, $wgThumbnailEpoch;
+
+ $thumbPath = $this->getThumbPath( $thumbName );
+ if ( $this->repo && $this->repo->canTransformVia404() && !($flags & self::RENDER_NOW ) ) {
+ wfDebug( __METHOD__ . " transformation deferred." );
+ return $this->handler->getTransform( $this, $thumbPath, $thumbUrl, $params );
+ }
+
+ wfDebug( __METHOD__.": Doing stat for $thumbPath\n" );
+ $this->migrateThumbFile( $thumbName );
+ if ( file_exists( $thumbPath ) && !($flags & self::RENDER_FORCE) ) {
+ $thumbTime = filemtime( $thumbPath );
+ if ( $thumbTime !== FALSE &&
+ gmdate( 'YmdHis', $thumbTime ) >= $wgThumbnailEpoch ) {
+
+ return $this->handler->getTransform( $this, $thumbPath, $thumbUrl, $params );
+ }
+ } elseif( $flags & self::RENDER_FORCE ) {
+ wfDebug( __METHOD__ . " forcing rendering per flag File::RENDER_FORCE\n" );
+ }
+ $thumb = $this->handler->doTransform( $this, $thumbPath, $thumbUrl, $params );
+
+ // Ignore errors if requested
+ if ( !$thumb ) {
+ $thumb = null;
+ } elseif ( $thumb->isError() ) {
+ $this->lastError = $thumb->toText();
+ if ( $wgIgnoreImageErrors && !($flags & self::RENDER_NOW) ) {
+ $thumb = $this->handler->getTransform( $this, $thumbPath, $thumbUrl, $params );
+ }
+ }
+
+ return $thumb;
+ }
+
+
/**
* Transform a media file
*
* @return MediaTransformOutput | false
*/
function transform( $params, $flags = 0 ) {
- global $wgUseSquid, $wgIgnoreImageErrors, $wgThumbnailEpoch, $wgServer;
+ global $wgUseSquid;
wfProfileIn( __METHOD__ );
do {
// Get the descriptionUrl to embed it as comment into the thumbnail. Bug 19791.
$descriptionUrl = $this->getDescriptionUrl();
if ( $descriptionUrl ) {
- $params['descriptionUrl'] = $wgServer . $descriptionUrl;
+ $params['descriptionUrl'] = wfExpandUrl( $descriptionUrl, PROTO_CANONICAL );
}
$script = $this->getTransformScript();
$normalisedParams = $params;
$this->handler->normaliseParams( $this, $normalisedParams );
$thumbName = $this->thumbName( $normalisedParams );
- $thumbPath = $this->getThumbPath( $thumbName );
$thumbUrl = $this->getThumbUrl( $thumbName );
- 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 )) {
- $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, $params );
-
- // Ignore errors if requested
- if ( !$thumb ) {
- $thumb = null;
- } elseif ( $thumb->isError() ) {
- $this->lastError = $thumb->toText();
- if ( $wgIgnoreImageErrors && !($flags & self::RENDER_NOW) ) {
- $thumb = $this->handler->getTransform( $this, $thumbPath, $thumbUrl, $params );
- }
- }
+ $thumb = $this->maybeDoTransform( $thumbName, $thumbUrl, $params, $flags );
// Purge. Useful in the event of Core -> Squid connection failure or squid
// purge collisions from elsewhere during failure. Don't keep triggering for
*/
function getHashPath() {
if ( !isset( $this->hashPath ) ) {
+ $this->assertRepoDefined();
$this->hashPath = $this->repo->getHashPath( $this->getName() );
}
return $this->hashPath;
}
/**
- * Get the relative path for an archive file
+ * Get the relative path for an archived file
*
- * @param $suffix bool
+ * @param $suffix bool|string if not false, the name of an archived thumbnail file
*
* @return string
*/
}
/**
- * Get the path of the archive directory, or a particular file if $suffix is specified
+ * Get the relative path for an archived file's thumbs directory
+ * or a specific thumb if the $suffix is given.
+ *
+ * @param $archiveName string the timestamped name of an archived image
+ * @param $suffix bool|string if not false, the name of a thumbnail file
+ *
+ * @return string
+ */
+ function getArchiveThumbRel( $archiveName, $suffix = false ) {
+ $path = 'archive/' . $this->getHashPath() . $archiveName . "/";
+ if ( $suffix === false ) {
+ $path = substr( $path, 0, -1 );
+ } else {
+ $path .= $suffix;
+ }
+ return $path;
+ }
+
+ /**
+ * Get the path of the archived file.
*
- * @param $suffix bool
+ * @param $suffix bool|string if not false, the name of an archived file.
*
* @return string
*/
function getArchivePath( $suffix = false ) {
+ $this->assertRepoDefined();
return $this->repo->getZonePath( 'public' ) . '/' . $this->getArchiveRel( $suffix );
}
+ /**
+ * Get the path of the archived file's thumbs, or a particular thumb if $suffix is specified
+ *
+ * @param $archiveName string the timestamped name of an archived image
+ * @param $suffix bool|string if not false, the name of a thumbnail file
+ *
+ * @return string
+ */
+ function getArchiveThumbPath( $archiveName, $suffix = false ) {
+ $this->assertRepoDefined();
+ return $this->repo->getZonePath( 'thumb' ) . '/' .
+ $this->getArchiveThumbRel( $archiveName, $suffix );
+ }
+
/**
* Get the path of the thumbnail directory, or a particular file if $suffix is specified
*
- * @param $suffix bool
+ * @param $suffix bool|string if not false, the name of a thumbnail file
*
* @return string
*/
function getThumbPath( $suffix = false ) {
+ $this->assertRepoDefined();
$path = $this->repo->getZonePath( 'thumb' ) . '/' . $this->getRel();
if ( $suffix !== false ) {
$path .= '/' . $suffix;
/**
* Get the URL of the archive directory, or a particular file if $suffix is specified
*
- * @param $suffix bool
+ * @param $suffix bool|string if not false, the name of an archived file
*
* @return string
*/
function getArchiveUrl( $suffix = false ) {
- $path = $this->repo->getZoneUrl('public') . '/archive/' . $this->getHashPath();
+ $this->assertRepoDefined();
+ $path = $this->repo->getZoneUrl( 'public' ) . '/archive/' . $this->getHashPath();
+ if ( $suffix === false ) {
+ $path = substr( $path, 0, -1 );
+ } else {
+ $path .= rawurlencode( $suffix );
+ }
+ return $path;
+ }
+
+ /**
+ * Get the URL of the archived file's thumbs, or a particular thumb if $suffix is specified
+ *
+ * @param $archiveName string the timestamped name of an archived image
+ * @param $suffix bool|string if not false, the name of a thumbnail file
+ *
+ * @return string
+ */
+ function getArchiveThumbUrl( $archiveName, $suffix = false ) {
+ $this->assertRepoDefined();
+ $path = $this->repo->getZoneUrl( 'thumb' ) . '/archive/' .
+ $this->getHashPath() . rawurlencode( $archiveName ) . "/";
if ( $suffix === false ) {
$path = substr( $path, 0, -1 );
} else {
/**
* Get the URL of the thumbnail directory, or a particular file if $suffix is specified
*
- * @param $suffix bool
+ * @param $suffix bool|string if not false, the name of a thumbnail file
*
* @return path
*/
function getThumbUrl( $suffix = false ) {
+ $this->assertRepoDefined();
$path = $this->repo->getZoneUrl('thumb') . '/' . $this->getUrlRel();
if ( $suffix !== false ) {
$path .= '/' . rawurlencode( $suffix );
}
/**
- * Get the virtual URL for an archive file or directory
+ * Get the virtual URL for an archived file's thumbs, or a specific thumb.
*
- * @param bool|string $suffix
+ * @param $suffix bool|string if not false, the name of a thumbnail file
*
* @return string
*/
function getArchiveVirtualUrl( $suffix = false ) {
+ $this->assertRepoDefined();
$path = $this->repo->getVirtualUrl() . '/public/archive/' . $this->getHashPath();
if ( $suffix === false ) {
$path = substr( $path, 0, -1 );
/**
* Get the virtual URL for a thumbnail file or directory
*
- * @param $suffix bool
+ * @param $suffix bool|string if not false, the name of a thumbnail file
*
* @return string
*/
function getThumbVirtualUrl( $suffix = false ) {
+ $this->assertRepoDefined();
$path = $this->repo->getVirtualUrl() . '/thumb/' . $this->getUrlRel();
if ( $suffix !== false ) {
$path .= '/' . rawurlencode( $suffix );
/**
* Get the virtual URL for the file itself
*
- * @param $suffix bool
+ * @param $suffix bool|string if not false, the name of a thumbnail file
*
* @return string
*/
function getVirtualUrl( $suffix = false ) {
+ $this->assertRepoDefined();
$path = $this->repo->getVirtualUrl() . '/public/' . $this->getUrlRel();
if ( $suffix !== false ) {
$path .= '/' . rawurlencode( $suffix );
* @return bool
*/
function isHashed() {
+ $this->assertRepoDefined();
return $this->repo->isHashed();
}
/**
* Returns the repository
*
- * @return FileRepo
+ * @return FileRepo|false
*/
function getRepo() {
return $this->repo;
* @return string
*/
function getDescriptionUrl() {
- return $this->repo->getDescriptionUrl( $this->getName() );
+ if ( $this->repo ) {
+ return $this->repo->getDescriptionUrl( $this->getName() );
+ } else {
+ return false;
+ }
}
/**
*/
function getDescriptionText() {
global $wgMemc, $wgLang;
- if ( !$this->repo->fetchDescription ) {
+ if ( !$this->repo || !$this->repo->fetchDescription ) {
return false;
}
$renderUrl = $this->repo->getDescriptionRenderUrl( $this->getName(), $wgLang->getCode() );
* field of this file, if it's marked as deleted.
* STUB
* @param $field Integer
+ * @param $user User object to check, or null to use $wgUser
* @return Boolean
*/
- function userCan( $field ) {
+ function userCan( $field, User $user = null ) {
return true;
}
function isMissing() {
return false;
}
+
+ /**
+ * Assert that $this->repo is set to a valid FileRepo instance
+ * @throws MWException
+ */
+ protected function assertRepoDefined() {
+ if ( !( $this->repo instanceof $this->repoClass ) ) {
+ throw new MWException( "A {$this->repoClass} object is not set for this File.\n" );
+ }
+ }
+
+ /**
+ * Assert that $this->title is set to a Title
+ * @throws MWException
+ */
+ protected function assertTitleDefined() {
+ if ( !( $this->title instanceof Title ) ) {
+ throw new MWException( "A Title object is not set for this File.\n" );
+ }
+ }
}
/**
* Aliases for backwards compatibility with 1.6
dépôts / lhc / web / wiklou.git / blobdiff