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<?php
require_once 'commandLine.inc';
class UploadDumper {
function __construct( $args ) {
global $IP, $wgUseSharedUploads;
$this->mAction = 'fetchUsed';
$this->mBasePath = $IP;
$this->mShared = $wgUseSharedUploads;
if( isset( $args['help'] ) ) {
$this->mAction = 'help';
}
if( isset( $args['base'] ) ) {
$this->mBasePath = $args['base'];
}
}
function run() {
$this->{$this->mAction}();
}
function help() {
echo <<<END
Generates list of uploaded files which can be fed to tar or similar.
By default, outputs relative paths against the parent directory of
\$wgUploadDirectory.
Usage:
php dumpUploads.php [options] > list-o-files.txt
Options:
--base=<path> Set base relative path instead of wiki include root
FIXME: other options not implemented yet ;)
--local List all local files, used or not. No shared files included.
--used Skip local images that are not used
--shared Include images used from shared repository
END;
}
/**
* Fetch a list of all or used images from a particular image source.
* @param string $table
* @param string $directory Base directory where files are located
* @param bool $shared true to pass shared-dir settings to hash func
*/
function fetchUsed() {
$dbr = wfGetDB( DB_SLAVE );
$image = $dbr->tableName( 'image' );
$imagelinks = $dbr->tableName( 'imagelinks' );
$sql = "SELECT DISTINCT il_to, img_name
FROM $imagelinks
LEFT OUTER JOIN $image
ON il_to=img_name";
$result = $dbr->query( $sql );
while( $row = $dbr->fetchObject( $result ) ) {
if( is_null( $row->img_name ) ) {
if( $this->mShared ) {
$this->outputShared( $row->il_to );
}
} else {
$this->outputLocal( $row->il_to );
}
}
$dbr->freeResult( $result );
}
function outputLocal( $name ) {
global $wgUploadDirectory;
return $this->outputItem( $name, $wgUploadDirectory, false );
}
function outputShared( $name ) {
global $wgSharedUploadDirectory;
return $this->outputItem( $name, $wgSharedUploadDirectory, true );
}
function outputItem( $name, $directory, $shared ) {
$filename = $directory .
wfGetHashPath( $name, $shared ) .
$name;
$rel = $this->relativePath( $filename, $this->mBasePath );
echo "$rel\n";
}
/**
* Return a relative path to $path from the base directory $base
* For instance relativePath( '/foo/bar/baz', '/foo' ) should return
* 'bar/baz'.
*/
function relativePath( $path, $base) {
$path = explode( DIRECTORY_SEPARATOR, $path );
$base = explode( DIRECTORY_SEPARATOR, $base );
while( count( $base ) && $path[0] == $base[0] ) {
array_shift( $path );
array_shift( $base );
}
foreach( $base as $prefix ) {
array_unshift( $path, '..' );
}
return implode( DIRECTORY_SEPARATOR, $path );
}
}
$dumper = new UploadDumper( $options );
$dumper->run();
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