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collection_download_process_archive_command()

Description

Executes the archiver command when downloading a collection.


False when further processing needed e.g. when producing a zip file.

Parameters

ColumnTypeDefaultDescription
$collection_download_tar boolean
&$zip
$filename string
$usertempdir string
$archiver boolean
$settings_id integer
&$zipfile
$zip object
$zipfile string

Return

bool Will return true if there is no further work to be done as will be the case for a tar file.

Location

include/collections_functions.php lines 5185 to 5241

Definition

 
function collection_download_process_archive_command($collection_download_tar, &$zip, $filename, $usertempdir, $archiver, $settings_id, &$zipfile)
    {
    global $lang, $use_zip_extension, $collection_download_settings, $archiver_listfile_argument, $cmdfile, $config_windows,$zipcommand;

    $archiver_fullpath = get_utility_path("archiver");

    # Execute the archiver command.
    # If $collection_download is true the $collection_download_settings are used if defined, else the legacy $zipcommand is used.
    if ($use_zip_extension && !$collection_download_tar)
        {
        update_zip_progress_file("zipping");
        $GLOBALS["use_error_exception"]=true;
        try
            {
            $zip->close();
            }
        catch (Throwable $e)
            {
            debug("collection_download_process_archive_command: Unable to close zip file. Reason {$e->getMessage()}");
            }
        unset($GLOBALS["use_error_exception"]);
        update_zip_progress_file("complete");
        sleep(1);
        }
     elseif ($collection_download_tar)
        {
        header("Content-type: application/tar");
        header("Content-disposition: attachment; filename=" . $filename );
        debug("collection_download tar command: tar -cv -C " . $usertempdir . " . ");
        $cmdtempdir = escapeshellarg($usertempdir);
        passthru("find " . $cmdtempdir . ' -printf "%P\n" | tar -cv --no-recursion --dereference -C ' . $cmdtempdir . " -T -");
        
        return true;
        }
    elseif ($archiver)
        {
        update_zip_progress_file("zipping");
        run_command($archiver_fullpath . " " . $collection_download_settings[$settings_id]["arguments"] . " " . escapeshellarg($zipfile) . " " . $archiver_listfile_argument . escapeshellarg($cmdfile));
        update_zip_progress_file("complete");
        }
    elseif (!$use_zip_extension)
        {
        update_zip_progress_file("zipping");    
        if ($config_windows)
            # Add the command file, containing the filenames, as an argument.
            {
            exec("$zipcommand " . escapeshellarg($zipfile) . " @" . escapeshellarg($cmdfile));
            }
        else
            {
            # Pipe the command file, containing the filenames, to the executable.
            exec("$zipcommand " . escapeshellarg($zipfile) . " -@ < " . escapeshellarg($cmdfile));
            }
            update_zip_progress_file("complete");
        }
    return false;
    }

This article was last updated 4th December 2024 09:05 Europe/London time based on the source file dated 27th November 2024 15:30 Europe/London time.