check_use_watermark()

Parameters

ColumnTypeDefaultDescription
$download_key ""
$resource ""

Location

include/resource_functions.php lines 5552 to 5596

Definition

 
function check_use_watermark($download_key = "", $resource = "")
{
    debug_function_call("check_use_watermark", func_get_args());
    # This function checks whether or not to use watermarks
    # Note that access status must be available prior to calls to this function

    global $access,$k,$watermark,$watermark_open,$pagename,$watermark_open_search, $terms_download;

    # Cannot watermark without a watermark
    if ($watermark === '') {
        return false;
    }

    $blockwatermark = hook("blockwatermark");
    if ($blockwatermark) {
        return false;
    }

    # Cannot watermark unless permission "w" is present
    if (!checkperm('w')) {
        return false;
    }

    # Watermark is present and permission "w" is present

    # Watermark if access is restricted
    if ($access == 1) {
        return true;
    }

    # Watermark if open override is present
    if (
        $watermark_open
        && (    ($pagename == "preview")
             || ($pagename == "view")
             || ($pagename == "search" && $watermark_open_search)
             || ($pagename == "download" && $terms_download && !download_link_check_key($download_key, $resource))
           )
    ) {
        return true;
    }

    # Watermark not necessary
    return false;
}

This article was last updated 5th April 2025 21:35 Europe/London time based on the source file dated 26th March 2025 19:05 Europe/London time.