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allow_in_browser()

Description

Check if file can be rendered in browser via download.php

Parameters

ColumnTypeDefaultDescription
$path string Path to file

Return

bool

Location

include/resource_functions.php lines 8520 to 8558

Definition

 
function allow_in_browser($path)
{
    if (!file_exists($path) || is_dir($path)) {
        return false;
    }
    // Permitted mime types can only be overridden by plugins
    $permitted_mime[] = "application/pdf";
    $permitted_mime[] = "image/jpeg";
    $permitted_mime[] = "image/png";
    $permitted_mime[] = "image/gif";
    $permitted_mime[] = "image/webp";
    $permitted_mime[] = "audio/mpeg";
    $permitted_mime[] = "video/mp4";
    $permitted_mime[] = "text/plain";
    $permitted_mime[] = "text/csv";
    $allow = hook('allow_in_browser', "", [$permitted_mime]);
    if (is_array($allow)) {
        $permitted_mime = $allow;
    }

    if (function_exists('mime_content_type')) {
        $type = mime_content_type($path);
    } else {
        $type = get_mime_type($path);
    }
    if ($type == "application/octet-stream") {
        # Not properly detected, try and get mime type via exiftool if possible
        $exiftool_fullpath = get_utility_path("exiftool");
        if ($exiftool_fullpath != false) {
            $command = $exiftool_fullpath . " -s -s -s -t -mimetype %PATH";
            $cmd_args['%PATH'] = $path;
            $type = run_command($command, false, $cmd_args);
        }
    }
    if (in_array($type, $permitted_mime)) {
        return true;
    }
    return false;
}

This article was last updated 9th May 2025 21:35 Europe/London time based on the source file dated 23rd April 2025 16:25 Europe/London time.