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(PHP Extension) FTP Connect, Examine Server Certificate, and then AuthenticateDemonstrates how to connect to an FTP server, examine the server's SSL/TLS certificate, and then, if it meets the application's security requirements, proceed to authenticate. Note: This example requires Chilkat v11.0.0 or greater.
<?php include("chilkat.php"); $success = false; // This example assumes Chilkat Ftp2 to have been previously unlocked. // See Unlock Ftp2 for sample code. $ftp = new CkFtp2(); $ftp->put_Hostname('www.authtls-ftps-server.com'); $ftp->put_Username('FTP_LOGIN'); $ftp->put_Password('FTP_PASSWORD'); $ftp->put_AuthTls(true); $ftp->put_Port(21); // Connect to the FTP server using explicit TLS (AUTH TLS). $success = $ftp->ConnectOnly(); if ($success == false) { print $ftp->lastErrorText() . "\n"; exit; } // Get the FTP server's certificate. $serverCert = new CkCert(); $success = $ftp->GetServerCert($serverCert); if ($success == false) { print $ftp->lastErrorText() . "\n"; exit; } // Now that we have the certificate, we can check it in any way we desire. // (See the online reference documentation for the certificate object's methods // and properties)... // Assuming the certificate is OK, proceed to authenticate with the FTP server. $success = $ftp->LoginAfterConnectOnly(); if ($success == false) { print $ftp->lastErrorText() . "\n"; exit; } // // Proceed with uploading/download files, etc... // $ftp->Disconnect(); print 'Success.' . "\n"; ?> |
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