Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
This commit is contained in:
Tim Starling
parent
16bcc74aa3
commit
9411d91b49
7 changed files with 306 additions and 180 deletions
138
img_auth.php
138
img_auth.php
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@ -13,6 +13,7 @@ define( 'MEDIAWIKI', true );
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require_once( 'includes/Defines.php' );
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require_once( './LocalSettings.php' );
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require_once( 'includes/Setup.php' );
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require_once( 'includes/StreamFile.php' );
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if( !isset( $_SERVER['PATH_INFO'] ) ) {
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wfForbidden();
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@ -40,142 +41,7 @@ if( is_dir( $filename ) ) {
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}
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# Write file
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$type = wfGetType( $filename );
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if ( $type ) {
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header('Content-type: '.$type);
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} else {
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header('Content-type: application/x-wiki');
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}
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readfile( $filename );
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function wfGetType( $filename ) {
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# There's probably a better way to do this
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$types = <<<END_STRING
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application/andrew-inset ez
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application/mac-binhex40 hqx
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application/mac-compactpro cpt
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application/mathml+xml mathml
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application/msword doc
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application/octet-stream bin dms lha lzh exe class so dll
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application/oda oda
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application/ogg ogg
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application/pdf pdf
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application/postscript ai eps ps
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application/rdf+xml rdf
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application/smil smi smil
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application/srgs gram
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application/srgs+xml grxml
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application/vnd.mif mif
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application/vnd.ms-excel xls
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application/vnd.ms-powerpoint ppt
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application/vnd.wap.wbxml wbxml
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application/vnd.wap.wmlc wmlc
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application/vnd.wap.wmlscriptc wmlsc
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application/voicexml+xml vxml
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application/x-bcpio bcpio
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application/x-cdlink vcd
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application/x-chess-pgn pgn
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application/x-cpio cpio
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application/x-csh csh
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application/x-director dcr dir dxr
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application/x-dvi dvi
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application/x-futuresplash spl
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application/x-gtar gtar
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application/x-hdf hdf
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application/x-javascript js
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application/x-koan skp skd skt skm
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application/x-latex latex
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application/x-netcdf nc cdf
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application/x-sh sh
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application/x-shar shar
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application/x-shockwave-flash swf
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application/x-stuffit sit
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application/x-sv4cpio sv4cpio
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application/x-sv4crc sv4crc
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application/x-tar tar
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application/x-tcl tcl
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application/x-tex tex
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application/x-texinfo texinfo texi
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application/x-troff t tr roff
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application/x-troff-man man
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application/x-troff-me me
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application/x-troff-ms ms
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application/x-ustar ustar
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application/x-wais-source src
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application/xhtml+xml xhtml xht
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application/xslt+xml xslt
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application/xml xml xsl
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application/xml-dtd dtd
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application/zip zip
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audio/basic au snd
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audio/midi mid midi kar
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audio/mpeg mpga mp2 mp3
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audio/x-aiff aif aiff aifc
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audio/x-mpegurl m3u
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audio/x-pn-realaudio ram rm
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audio/x-pn-realaudio-plugin rpm
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audio/x-realaudio ra
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audio/x-wav wav
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chemical/x-pdb pdb
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chemical/x-xyz xyz
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image/bmp bmp
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image/cgm cgm
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image/gif gif
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image/ief ief
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image/jpeg jpeg jpg jpe
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image/png png
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image/svg+xml svg
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image/tiff tiff tif
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image/vnd.djvu djvu djv
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image/vnd.wap.wbmp wbmp
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image/x-cmu-raster ras
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image/x-icon ico
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image/x-portable-anymap pnm
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image/x-portable-bitmap pbm
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image/x-portable-graymap pgm
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image/x-portable-pixmap ppm
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image/x-rgb rgb
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image/x-xbitmap xbm
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image/x-xpixmap xpm
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image/x-xwindowdump xwd
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model/iges igs iges
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model/mesh msh mesh silo
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model/vrml wrl vrml
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text/calendar ics ifb
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text/css css
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text/richtext rtx
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text/rtf rtf
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text/sgml sgml sgm
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text/tab-separated-values tsv
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text/vnd.wap.wml wml
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text/vnd.wap.wmlscript wmls
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text/x-setext etx
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video/mpeg mpeg mpg mpe
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video/quicktime qt mov
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video/vnd.mpegurl mxu
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video/x-msvideo avi
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video/x-sgi-movie movie
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x-conference/x-cooltalk ice
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END_STRING;
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// Needed for windows servers who use \r\n not \n
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$endl = "
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";
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$types = explode( $endl, $types );
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if ( !preg_match( "/\.([^.]*?)$/", $filename, $matches ) ) {
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return false;
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}
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foreach( $types as $type ) {
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$extensions = explode( " ", $type );
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for ( $i=1; $i<count( $extensions ); $i++ ) {
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if ( $extensions[$i] == $matches[1] ) {
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return $extensions[0];
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}
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}
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}
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return false;
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}
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wfStreamFile( $filename );
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function wfForbidden() {
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header( 'HTTP/1.0 403 Forbidden' );
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@ -139,6 +139,18 @@ $wgSharedUploadDBname = false;
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/** Cache shared metadata in memcached. Don't do this if the commons wiki is in a different memcached domain */
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$wgCacheSharedUploads = true;
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/**
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* Give a path here to use thumb.php for thumbnail generation on client request, instead of
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* generating them on render and outputting a static URL. This is necessary if some of your
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* apache servers don't have read/write access to the thumbnail path.
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*
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* Example:
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* $wgThumnailScriptPath = "{$wgScriptPath}/thumb.php";
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*/
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$wgThumbnailScriptPath = false;
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$wgSharedThumbnailScriptPath = false;
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/**
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* Set the following to false especially if you have a set of files that need to
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* be accessible by all wikis, and you do not want to use the hash (path/a/aa/)
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@ -48,11 +48,11 @@ class Image
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/**
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* Obsolete factory function, use constructor
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*/
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function newFromTitle( &$title ) {
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function newFromTitle( $title ) {
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return new Image( $title );
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}
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function Image( &$title ) {
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function Image( $title ) {
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$this->title =& $title;
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$this->name = $title->getDBkey();
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@ -105,6 +105,7 @@ class Image
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$this->height = $commonsCachedValues['height'];
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$this->bits = $commonsCachedValues['bits'];
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$this->type = $commonsCachedValues['type'];
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$this->size = $commonsCachedValues['size'];
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$this->fromSharedDirectory = true;
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$this->dataLoaded = true;
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}
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@ -118,6 +119,7 @@ class Image
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$this->height = $cachedValues['height'];
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$this->bits = $cachedValues['bits'];
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$this->type = $cachedValues['type'];
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$this->size = $cachedValues['size'];
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$this->fromSharedDirectory = false;
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$this->dataLoaded = true;
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}
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@ -145,7 +147,8 @@ class Image
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'width' => $this->width,
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'height' => $this->height,
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'bits' => $this->bits,
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'type' => $this->type);
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'type' => $this->type,
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'size' => $this->size);
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$wgMemc->set( $keys[0], $cachedValues );
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}
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@ -155,23 +158,25 @@ class Image
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* Load metadata from the file itself
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*/
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function loadFromFile() {
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global $wgUseSharedUploads, $wgSharedUploadDirectory;
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global $wgUseSharedUploads, $wgSharedUploadDirectory, $wgLang;
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$fname = 'Image::loadFromFile';
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wfProfileIn( $fname );
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$this->imagePath = $this->getFullPath();
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$this->fileExists = file_exists( $this->imagePath );
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$gis = false;
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# If the file is not found, and a non-wiki shared upload directory is used, look for it there.
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# If the file is not found, and a shared upload directory is used, look for it there.
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if (!$this->fileExists && $wgUseSharedUploads && $wgSharedUploadDirectory) {
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# In case we're on a wgCapitalLinks=false wiki, we
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# capitalize the first letter of the filename before
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# looking it up in the shared repository.
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$this->name = $wgLang->ucfirst($name);
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$this->imagePath = $this->getFullPath(true);
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$this->fileExists = file_exists( $this->imagePath);
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$this->fromSharedDirectory = true;
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$sharedImage = Image::newFromName( $wgLang->ucfirst($this->name) );
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$this->fileExists = file_exists( $sharedImage->getFullPath(true) );
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if ( $this->fileExists ) {
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$this->name = $sharedImage->name;
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$this->imagePath = $this->getFulPath(true);
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$this->fromSharedDirectory = true;
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}
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}
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if ( $this->fileExists ) {
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@ -505,6 +510,7 @@ class Image
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if ( $height == -1 ) {
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return $this->renderThumb( $width );
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}
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$this->load();
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if ( $width < $this->width ) {
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$thumbheight = $this->height * $width / $this->width;
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$thumbwidth = $width;
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@ -534,7 +540,7 @@ class Image
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$path = '/common/images/' . $icon;
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$filepath = $wgStyleDirectory . $path;
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if( file_exists( $filepath ) ) {
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return new ThumbnailImage( $filepath, $wgStylePath . $path );
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return new ThumbnailImage( $wgStylePath . $path, 120, 120 );
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}
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}
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return null;
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@ -552,13 +558,15 @@ class Image
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* @return ThumbnailImage
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* @access private
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*/
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function /* private */ renderThumb( $width ) {
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function /* private */ renderThumb( $width, $useScript = true ) {
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global $wgImageMagickConvertCommand;
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global $wgUseImageMagick;
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global $wgUseSquid, $wgInternalServer;
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global $wgThumbnailScriptPath, $wgSharedThumbnailScriptPath;
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$width = IntVal( $width );
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$this->load();
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$thumbName = $this->thumbName( $width, $this->fromSharedDirectory );
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$thumbPath = wfImageThumbDir( $thumbName, 'thumb', $this->fromSharedDirectory ).'/'.$thumbName;
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$thumbUrl = $this->thumbUrl( $width );
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@ -577,7 +585,30 @@ class Image
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if( $width > $this->width && !$this->mustRender() ) {
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# Don't make an image bigger than the source
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return new ThumbnailImage( $this->getImagePath(), $this->getViewURL() );
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return new ThumbnailImage( $this->getViewURL(), $this->getWidth(), $this->getHeight() );
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}
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$height = floor( $this->height * ( $width/$this->width ) );
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// Generate thumb.php URL if possible
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$thumbScript = false;
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$scriptUrl = false;
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if ( $this->fromSharedDirectory ) {
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if ( $wgSharedThumbnailScriptPath ) {
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$thumbScript = $wgSharedThumbnailScriptPath;
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}
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} else {
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if ( $wgThumbnailScriptPath ) {
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$thumbScript = $wgThumbnailScriptPath;
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}
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}
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if ( $thumbScript ) {
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$scriptUrl = $thumbScript . '?f=' . urlencode( $this->name ) . '&w=' . urlencode( $width );
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if ( $useScript ) {
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// Use thumb.php to render the image
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return new ThumbnailImage( , $width, $height );
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}
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}
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if ( (! file_exists( $thumbPath ) ) || ( filemtime($thumbPath) < filemtime($this->imagePath) ) ) {
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@ -635,7 +666,6 @@ class Image
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return 'Image type not supported';
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break;
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}
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$height = floor( $this->height * ( $width/$this->width ) );
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if ( $truecolor ) {
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$dst_image = imagecreatetruecolor( $width, $height );
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} else {
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@ -683,10 +713,13 @@ class Image
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$urlArr = Array(
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$wgInternalServer.$thumbUrl
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);
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if ( $scriptUrl ) {
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$urlArr[] = $scriptUrl;
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}
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wfPurgeSquidServers($urlArr);
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}
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}
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return new ThumbnailImage( $thumbPath, $thumbUrl );
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return new ThumbnailImage( $thumbUrl, $width, $height );
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} // END OF function createThumb
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/**
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@ -889,6 +922,8 @@ class Image
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* Returns the image directory of an image
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* If the directory does not exist, it is created.
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* The result is an absolute path.
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*
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* This function is called from thumb.php before Setup.php is included
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*
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* @param string $fname file name of the image file
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* @access public
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@ -913,6 +948,8 @@ function wfImageDir( $fname ) {
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* Returns the image directory of an image's thubnail
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* If the directory does not exist, it is created.
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* The result is an absolute path.
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*
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* This function is called from thumb.php before Setup.php is included
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*
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* @param string $fname file name of the thumbnail file, including file size prefix
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* @param string $subdir (optional) subdirectory of the image upload directory that should be used for storing the thumbnail. Default is 'thumb'
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@ -927,6 +964,8 @@ function wfImageThumbDir( $fname , $subdir='thumb', $shared=false) {
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* Returns the image directory of an image's old version
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* If the directory does not exist, it is created.
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* The result is an absolute path.
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*
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* This function is called from thumb.php before Setup.php is included
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*
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* @param string $fname file name of the thumbnail file, including file size prefix
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* @param string $subdir (optional) subdirectory of the image upload directory that should be used for storing the old version. Default is 'archive'
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@ -1090,17 +1129,10 @@ class ThumbnailImage {
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* @param string $url URL path to the thumb
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* @access private
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*/
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function ThumbnailImage( $path, $url ) {
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function ThumbnailImage( $url, $width, $height ) {
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$this->url = $url;
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$this->path = $path;
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$size = @getimagesize( $this->path );
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if( $size ) {
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$this->width = $size[0];
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$this->height = $size[1];
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} else {
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$this->width = 0;
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$this->height = 0;
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}
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$this->width = $width;
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$this->height = $height;
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}
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/**
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@ -1136,18 +1168,5 @@ class ThumbnailImage {
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return $html;
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}
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/**
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* Return the size of the thumbnail file, in bytes or false if the file
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* can't be stat().
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* @access public
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*/
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function getSize() {
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$st = stat( $this->path );
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if( $st ) {
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return $st['size'];
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} else {
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return false;
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}
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}
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}
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?>
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@ -51,7 +51,7 @@ class ImageGallery
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/**
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* isEmpty() returns false iff the gallery doesn't contain any images
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* isEmpty() returns true if the gallery contains no images
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*/
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function isEmpty() {
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return empty( $this->mImages );
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@ -119,13 +119,13 @@ class ImageGallery
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} else {
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$nb = wfMsg( 'filemissing' );
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}
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$nb = htmlspecialchars( $nb ) . '<br />';
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$nb = htmlspecialchars( $nb ) . "<br />\n";
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} else {
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$nb = '';
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}
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$textlink = $this->mShowFilename ?
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$sk->makeKnownLinkObj( $nt, htmlspecialchars( $wgLang->truncate( $nt->getText(), 20, '...' ) ) ) . '<br />' :
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$sk->makeKnownLinkObj( $nt, htmlspecialchars( $wgLang->truncate( $nt->getText(), 20, '...' ) ) ) . "<br />\n" :
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'' ;
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$s .= ($i%4==0) ? '<tr>' : '';
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@ -88,9 +88,9 @@ function wfSpecialNewimages() {
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$img = Image::newFromTitle( $nt );
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$ul = $sk->makeLinkObj( Title::makeTitle( NS_USER, $ut ), $ut );
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$gallery->add( $img, $ul.'<br /><i>'.$wgLang->timeanddate( $s->img_timestamp, true ).'</i><br />' );
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$gallery->add( $img, "$ul<br />\n<i>".$wgLang->timeanddate( $s->img_timestamp, true )."</i><br />\n" );
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$timestamp = wfTImestamp( TS_MW, $s->img_timestamp );
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$timestamp = wfTimestamp( TS_MW, $s->img_timestamp );
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if( empty( $firstTimestamp ) ) {
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$firstTimestamp = $timestamp;
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}
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157
includes/StreamFile.php
Normal file
157
includes/StreamFile.php
Normal file
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@ -0,0 +1,157 @@
|
|||
<?php
|
||||
|
||||
function wfStreamFile( $fname ) {
|
||||
global $wgSquidMaxage;
|
||||
$stat = stat( $fname );
|
||||
if ( !$stat ) {
|
||||
header( 'HTTP/1.0 404 Not Found' );
|
||||
echo "<html><body>
|
||||
<h1>File not found</h1>
|
||||
<p>Although this PHP script ({$_SERVER['SCRIPT_NAME']}) exists, the file requested for output
|
||||
does not.</p>
|
||||
</body></html>";
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
$type = wfGetType( $fname );
|
||||
if ( $type ) {
|
||||
header("Content-type: $type");
|
||||
} else {
|
||||
header('Content-type: application/x-wiki');
|
||||
}
|
||||
header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s', $stat['mtime'] ) );
|
||||
header( "Cache-Control: s-maxage=$wgSquidMaxage, must-revalidate, max-age=0" );
|
||||
readfile( $fname );
|
||||
exit;
|
||||
}
|
||||
|
||||
function wfGetType( $filename ) {
|
||||
# There's probably a better way to do this
|
||||
$types = <<<END_STRING
|
||||
application/andrew-inset ez
|
||||
application/mac-binhex40 hqx
|
||||
application/mac-compactpro cpt
|
||||
application/mathml+xml mathml
|
||||
application/msword doc
|
||||
application/octet-stream bin dms lha lzh exe class so dll
|
||||
application/oda oda
|
||||
application/ogg ogg
|
||||
application/pdf pdf
|
||||
application/postscript ai eps ps
|
||||
application/rdf+xml rdf
|
||||
application/smil smi smil
|
||||
application/srgs gram
|
||||
application/srgs+xml grxml
|
||||
application/vnd.mif mif
|
||||
application/vnd.ms-excel xls
|
||||
application/vnd.ms-powerpoint ppt
|
||||
application/vnd.wap.wbxml wbxml
|
||||
application/vnd.wap.wmlc wmlc
|
||||
application/vnd.wap.wmlscriptc wmlsc
|
||||
application/voicexml+xml vxml
|
||||
application/x-bcpio bcpio
|
||||
application/x-cdlink vcd
|
||||
application/x-chess-pgn pgn
|
||||
application/x-cpio cpio
|
||||
application/x-csh csh
|
||||
application/x-director dcr dir dxr
|
||||
application/x-dvi dvi
|
||||
application/x-futuresplash spl
|
||||
application/x-gtar gtar
|
||||
application/x-hdf hdf
|
||||
application/x-javascript js
|
||||
application/x-koan skp skd skt skm
|
||||
application/x-latex latex
|
||||
application/x-netcdf nc cdf
|
||||
application/x-sh sh
|
||||
application/x-shar shar
|
||||
application/x-shockwave-flash swf
|
||||
application/x-stuffit sit
|
||||
application/x-sv4cpio sv4cpio
|
||||
application/x-sv4crc sv4crc
|
||||
application/x-tar tar
|
||||
application/x-tcl tcl
|
||||
application/x-tex tex
|
||||
application/x-texinfo texinfo texi
|
||||
application/x-troff t tr roff
|
||||
application/x-troff-man man
|
||||
application/x-troff-me me
|
||||
application/x-troff-ms ms
|
||||
application/x-ustar ustar
|
||||
application/x-wais-source src
|
||||
application/xhtml+xml xhtml xht
|
||||
application/xslt+xml xslt
|
||||
application/xml xml xsl
|
||||
application/xml-dtd dtd
|
||||
application/zip zip
|
||||
audio/basic au snd
|
||||
audio/midi mid midi kar
|
||||
audio/mpeg mpga mp2 mp3
|
||||
audio/x-aiff aif aiff aifc
|
||||
audio/x-mpegurl m3u
|
||||
audio/x-pn-realaudio ram rm
|
||||
audio/x-pn-realaudio-plugin rpm
|
||||
audio/x-realaudio ra
|
||||
audio/x-wav wav
|
||||
chemical/x-pdb pdb
|
||||
chemical/x-xyz xyz
|
||||
image/bmp bmp
|
||||
image/cgm cgm
|
||||
image/gif gif
|
||||
image/ief ief
|
||||
image/jpeg jpeg jpg jpe
|
||||
image/png png
|
||||
image/svg+xml svg
|
||||
image/tiff tiff tif
|
||||
image/vnd.djvu djvu djv
|
||||
image/vnd.wap.wbmp wbmp
|
||||
image/x-cmu-raster ras
|
||||
image/x-icon ico
|
||||
image/x-portable-anymap pnm
|
||||
image/x-portable-bitmap pbm
|
||||
image/x-portable-graymap pgm
|
||||
image/x-portable-pixmap ppm
|
||||
image/x-rgb rgb
|
||||
image/x-xbitmap xbm
|
||||
image/x-xpixmap xpm
|
||||
image/x-xwindowdump xwd
|
||||
model/iges igs iges
|
||||
model/mesh msh mesh silo
|
||||
model/vrml wrl vrml
|
||||
text/calendar ics ifb
|
||||
text/css css
|
||||
text/richtext rtx
|
||||
text/rtf rtf
|
||||
text/sgml sgml sgm
|
||||
text/tab-separated-values tsv
|
||||
text/vnd.wap.wml wml
|
||||
text/vnd.wap.wmlscript wmls
|
||||
text/x-setext etx
|
||||
video/mpeg mpeg mpg mpe
|
||||
video/quicktime qt mov
|
||||
video/vnd.mpegurl mxu
|
||||
video/x-msvideo avi
|
||||
video/x-sgi-movie movie
|
||||
x-conference/x-cooltalk ice
|
||||
END_STRING;
|
||||
// Needed for windows servers who use \r\n not \n
|
||||
$endl = "
|
||||
";
|
||||
$types = explode( $endl, $types );
|
||||
if ( !preg_match( "/\.([^.]*?)$/", $filename, $matches ) ) {
|
||||
return false;
|
||||
}
|
||||
|
||||
foreach( $types as $type ) {
|
||||
$extensions = explode( " ", $type );
|
||||
for ( $i=1; $i<count( $extensions ); $i++ ) {
|
||||
if ( $extensions[$i] == $matches[1] ) {
|
||||
return $extensions[0];
|
||||
}
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
?>
|
||||
72
thumb.php
Normal file
72
thumb.php
Normal file
|
|
@ -0,0 +1,72 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* PHP script to stream out an image thumbnail.
|
||||
* If the file exists, we make do with abridged MediaWiki initialisation.
|
||||
*/
|
||||
|
||||
unset( $IP );
|
||||
define( 'MEDIAWIKI', true );
|
||||
require_once( './includes/Defines.php' );
|
||||
require_once( './LocalSettings.php' );
|
||||
require_once( 'Image.php' );
|
||||
require_once( 'StreamFile.php' );
|
||||
|
||||
// Get input parameters
|
||||
|
||||
if ( get_magic_quotes_gpc() ) {
|
||||
$fileName = stripslashes( $_REQUEST['f'] );
|
||||
$width = stripslashes( $_REQUEST['w'] );
|
||||
} else {
|
||||
$fileName = $_REQUEST['f'];
|
||||
$width = $_REQUEST['w'];
|
||||
}
|
||||
|
||||
// Some basic input validation
|
||||
|
||||
$width = intval( $width );
|
||||
$fileName = str_replace( '/', '_', $fileName );
|
||||
|
||||
// Work out paths, carefully avoiding constructing an Image object because that won't work yet
|
||||
|
||||
$imagePath = wfImageDir( $fileName ) . '/' . $fileName;
|
||||
$thumbName = "{$width}px-$fileName";
|
||||
if ( preg_match( '/\.svg$/', $fileName ) ) {
|
||||
$thumbName .= '.png';
|
||||
}
|
||||
$thumbPath = wfImageThumbDir( $thumbName ) . '/' . $thumbName;
|
||||
|
||||
if ( file_exists( $thumbPath ) && filemtime( $thumbPath ) >= filemtime( $imagePath ) ) {
|
||||
wfStreamFile( $thumbPath );
|
||||
exit;
|
||||
}
|
||||
|
||||
// OK, no valid thumbnail, time to get out the heavy machinery
|
||||
require_once( 'Setup.php' );
|
||||
|
||||
// Force renderThumb() to actually do something
|
||||
$wgThumbnailScriptPath = false;
|
||||
$wgSharedThumbnailScriptPath = false;
|
||||
|
||||
$img = Image::newFromName( $fileName );
|
||||
if ( $img ) {
|
||||
$thumb = $img->renderThumb( $width );
|
||||
} else {
|
||||
$thumb = false;
|
||||
}
|
||||
|
||||
if ( $thumb ) {
|
||||
wfStreamFile( $thumb->path );
|
||||
} else {
|
||||
$badtitle = wfMsg( 'badtitle' );
|
||||
$badtitletext = wfMsg( 'badtitletext' );
|
||||
echo "<html><head>
|
||||
<title>$badtitle</title>
|
||||
<body>
|
||||
<h1>$badtitle</h1>
|
||||
<p>$badtitletext</p>
|
||||
</body></html>";
|
||||
}
|
||||
|
||||
|
||||
?>
|
||||
Loading…
Reference in a new issue