Elep

<?php
if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
/*
 * Your installation or use of this SugarCRM file is subject to the applicable
 * terms available at
 * http://support.sugarcrm.com/Resources/Master_Subscription_Agreements/.
 * If you do not agree to all of the applicable terms or do not have the
 * authority to bind the entity as an authorized representative, then do not
 * install or use this SugarCRM file.
 *
 * Copyright (C) SugarCRM Inc. All rights reserved.
 */

use Sugarcrm\Sugarcrm\Security\InputValidation\InputValidation;

global $db;

if((!isset($_REQUEST['isProfile']) && empty($_REQUEST['id'])) || empty($_REQUEST['type']) || !isset($_SESSION['authenticated_user_id'])) {
	die("Not a Valid Entry Point");
}
else {

$file_type=''; // bug 45896
    ini_set('zlib.output_compression','Off');//bug 27089, if use gzip here, the Content-Length in header may be incorrect.
    // cn: bug 8753: current_user's preferred export charset not being honored
    if (isset($_SESSION['authenticated_user_id'])) {
        $GLOBALS['current_user']->retrieve($_SESSION['authenticated_user_id']);
    }
    if (isset($_SESSION['authenticated_user_language'])) {
        $GLOBALS['current_language'] = $_SESSION['authenticated_user_language'];
    }
    $app_strings = return_application_language($GLOBALS['current_language']);
    $mod_strings = return_module_language($GLOBALS['current_language'], 'ACL');
	$file_type = strtolower($_REQUEST['type']);
    $check_image = false;
    if(!isset($_REQUEST['isTempFile'])) {
	    //Custom modules may have capitalizations anywhere in their names. We should check the passed in format first.
		require('include/modules.php');
		$module = $db->quote($_REQUEST['type']);
		if(empty($beanList[$module])) {
			//start guessing at a module name
			$module = ucfirst($file_type);
	    	if(empty($beanList[$module])) {
	       		die($app_strings['ERROR_TYPE_NOT_VALID']);
	    	}
		}
    	$bean_name = $beanList[$module];
	    if(!SugarAutoLoader::existing('modules/' . $module . '/' . $bean_name . '.php')) {
	         die($app_strings['ERROR_TYPE_NOT_VALID']);
	    }

$focus = BeanFactory::newBean($module);
        if(!$focus->ACLAccess('view')){
            die($mod_strings['LBL_NO_ACCESS']);
	    } // if
        $focus->retrieve($_REQUEST['id']);
        // Pull up the document revision, if it's of type Document
        if ( isset($focus->object_name) && $focus->object_name == 'Document' ) {
            // It's a document, get the revision that really stores this file
            $focusRevision = BeanFactory::getBean('DocumentRevisions', $_REQUEST['id']);

if ( empty($focusRevision->id) ) {
                // This wasn't a document revision id, it's probably actually a document id,
                // we need to grab the latest revision and use that
                $focusRevision->retrieve($focus->document_revision_id);

if ( !empty($focusRevision->id) ) {
                    $_REQUEST['id'] = $focusRevision->id;
                }
            }
        }

// See if it is a remote file, if so, send them that direction
        if ( isset($focus->doc_url) && !empty($focus->doc_url) ) {
            header('Location: '.$focus->doc_url);
            echo "Remote file detected, location header sent.";
            sugar_cleanup(true);
        }

if ( isset($focusRevision) && isset($focusRevision->doc_url) && !empty($focusRevision->doc_url) ) {
            header('Location: '.$focusRevision->doc_url);
            echo "Remote file detected, location header sent.";
            sugar_cleanup(true);
        }

} // if

// Add the input validation for paths
    $request = InputValidation::getService();
    if(isset($_REQUEST['ieId']) && isset($_REQUEST['isTempFile'])) {
        $ieId = $request->getValidInputRequest('ieId', 'Assert\Guid');
        $id = $request->getValidInputRequest('id', 'Assert\Guid');
        $local_location = sugar_cached("modules/Emails/{$ieId}/attachments/{$id}");
    } elseif(isset($_REQUEST['isTempFile']) && $file_type == "import") {
        $tempName = $request->getValidInputRequest('tempName');
        $local_location = "upload://import/{$tempName}";
    } else if ($file_type == 'notes') {
        $note = BeanFactory::newBean('Notes');
        if (!$note->ACLAccess('view')) {
            die($mod_strings['LBL_NO_ACCESS']);
        } // if
        $id = $request->getValidInputRequest('id', 'Assert\Guid');
        $note->retrieve($id);
        $local_location = "upload://".$note->getUploadId();
    } else {
        $id = $request->getValidInputRequest('id', 'Assert\Guid');
        $local_location = "upload://{$id}";
    }

if(isset($_REQUEST['isTempFile']) && ($_REQUEST['type']=="SugarFieldImage")) {
        $id = $request->getValidInputRequest('id', 'Assert\Guid');
        $local_location =  "upload://{$id}";
    }

if(isset($_REQUEST['isTempFile']) && ($_REQUEST['type']=="SugarFieldImage") && (isset($_REQUEST['isProfile'])) && empty($_REQUEST['id'])) {
    	$local_location = "include/images/default-profile.png";
    }

if(!file_exists( $local_location ) || strpos($local_location, "..")) {
		die($app_strings['ERR_INVALID_FILE_REFERENCE']);
	} else {
		$doQuery = true;

if($file_type == 'documents') {
			// cn: bug 9674 document_revisions table has no 'name' column.
			$query = "SELECT filename name FROM document_revisions INNER JOIN documents ON documents.id = document_revisions.document_id ";
			if(!$focus->disable_row_level_security){
    			// We need to confirm that the user is a member of the team of the item.
                $focus->add_team_security_where_clause($query);
			}
			$query .= "WHERE document_revisions.id = '".$db->quote($_REQUEST['id'])."' ";
		} elseif($file_type == 'notes') {
			$query = "SELECT filename name FROM notes ";
            if(!$focus->disable_row_level_security){
                $focus->add_team_security_where_clause($query);
            }
			$query .= "WHERE notes.id = '" . $db->quote($_REQUEST['id']) ."'";
            $check_image = true;
        }  elseif ($file_type === 'pdfmanager') {
            $query = "SELECT header_logo name FROM pdfmanager ";
            if(!$focus->disable_row_level_security){
                $focus->add_team_security_where_clause($query);
            }
            $query .= "WHERE pdfmanager.id = '" . $db->quote($_REQUEST['id']) ."'";
		} elseif( !isset($_REQUEST['isTempFile']) && !isset($_REQUEST['tempName'] ) && isset($_REQUEST['type']) && $file_type!='temp' ){ //make sure not email temp file.
            $tableName = $db->getValidDBName($file_type, false, 'table');
            $query = "SELECT filename name FROM ". $tableName ." ";
            if(!$focus->disable_row_level_security){
                $focus->add_team_security_where_clause($query);
            }
            $query .= "WHERE " . $tableName . ".id= '" . $db->quote($_REQUEST['id']) . "'";
		}elseif( $file_type == 'temp'){
			$doQuery = false;
		}

if($doQuery && isset($query)) {
            $row = $GLOBALS['db']->fetchOne($query);

if(empty($row)){
				die($app_strings['ERROR_NO_RECORD']);
			}
			$name = $row['name'];
            if ($file_type == 'notes') {
                $download_location = $local_location;
            } else {
                $id = $request->getValidInputRequest('id', 'Assert\Guid');
                $download_location = "upload://{$id}";
            }
		} else if(isset(  $_REQUEST['tempName'] ) && isset($_REQUEST['isTempFile']) ){
			// downloading a temp file (email 2.0)
			$download_location = $local_location;
            $name = $_REQUEST['tempName'] ?? '';
		} else if(isset($_REQUEST['isTempFile']) && ($_REQUEST['type']=="SugarFieldImage")) {
			$download_location = $local_location;
            $name = $_REQUEST['tempName'] ?? '';
		}

header("Pragma: public");
		header("Cache-Control: max-age=1, post-check=0, pre-check=0");
		if(isset($_REQUEST['isTempFile']) && ($_REQUEST['type']=="SugarFieldImage")) {
			$mime = getimagesize($download_location);
		   	if(!empty($mime)) {
			    header("Content-Type: {$mime['mime']}");
		    } else {
		        header("Content-Type: image/png");
		    }
		} else {

if ($check_image && ($mime = getimagesize($download_location)) !== false)
            {
                header("Content-Type: " . $mime['mime']);
            }
            else
            {
                header("Content-type: application/octet-stream");
            }
            header("Content-Disposition: attachment; filename*=utf-8''" . rawurlencode($name));
		}
		// disable content type sniffing in MSIE
		header("X-Content-Type-Options: nosniff");
		header("Content-Length: " . filesize($local_location));
		header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + 2592000));
		set_time_limit(0);

@ob_end_clean();
		ob_start();

readfile($download_location);

@ob_flush();
	}
}