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In unzip_file(), confirm we have enough available disk space before extracting.
"enough" is calculated by adding up the uncompressed size of the files in the archive, then adding a 20% buffer. props dd32. fixes #25576. Built from https://develop.svn.wordpress.org/trunk@25774 git-svn-id: http://core.svn.wordpress.org/trunk@25687 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -601,6 +601,8 @@ function _unzip_file_ziparchive($file, $to, $needed_dirs = array() ) {
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if ( true !== $zopen )
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return new WP_Error('incompatible_archive', __('Incompatible Archive.'));
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$uncompressed_size = 0;
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for ( $i = 0; $i < $z->numFiles; $i++ ) {
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if ( ! $info = $z->statIndex($i) )
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return new WP_Error( 'stat_failed_ziparchive', __( 'Could not retrieve file from archive.' ) );
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@ -608,12 +610,18 @@ function _unzip_file_ziparchive($file, $to, $needed_dirs = array() ) {
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if ( '__MACOSX/' === substr($info['name'], 0, 9) ) // Skip the OS X-created __MACOSX directory
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continue;
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$uncompressed_size += $info['size'];
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if ( '/' == substr($info['name'], -1) ) // directory
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$needed_dirs[] = $to . untrailingslashit($info['name']);
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else
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$needed_dirs[] = $to . untrailingslashit(dirname($info['name']));
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}
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$available_space = disk_free_space( WP_CONTENT_DIR );
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if ( ( $uncompressed_size * 1.2 ) > $available_space )
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return new WP_Error( 'disk_full_unzip_file', __( 'Could not copy files. You may have run out of disk space.' ), compact( 'uncompressed_size', 'available_space' ) );
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$needed_dirs = array_unique($needed_dirs);
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foreach ( $needed_dirs as $dir ) {
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// Check the parent folders of the folders all exist within the creation array.
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@ -693,14 +701,22 @@ function _unzip_file_pclzip($file, $to, $needed_dirs = array()) {
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if ( 0 == count($archive_files) )
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return new WP_Error( 'empty_archive_pclzip', __( 'Empty archive.' ) );
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$uncompressed_size = 0;
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// Determine any children directories needed (From within the archive)
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foreach ( $archive_files as $file ) {
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if ( '__MACOSX/' === substr($file['filename'], 0, 9) ) // Skip the OS X-created __MACOSX directory
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continue;
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$uncompressed_size += $file['size'];
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$needed_dirs[] = $to . untrailingslashit( $file['folder'] ? $file['filename'] : dirname($file['filename']) );
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}
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$available_space = disk_free_space( WP_CONTENT_DIR );
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if ( ( $uncompressed_size * 1.2 ) > $available_space )
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return new WP_Error( 'disk_full_unzip_file', __( 'Could not copy files. You may have run out of disk space.' ), compact( 'uncompressed_size', 'available_space' ) );
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$needed_dirs = array_unique($needed_dirs);
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foreach ( $needed_dirs as $dir ) {
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// Check the parent folders of the folders all exist within the creation array.
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@ -4,7 +4,7 @@
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*
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* @global string $wp_version
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*/
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$wp_version = '3.7-beta2-25773';
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$wp_version = '3.7-beta2-25774';
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/**
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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