(Objective-C) Add Email Attachment from FTP

Downloads (into memory) a file from an FTP server and adds it as an attachment to an email.

Note: This example requires Chilkat v9.5.0.63 or later.

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#import <CkoFtp2.h>
#import <CkoBinData.h>
#import <CkoEmail.h>

// Note: This example requires Chilkat v9.5.0.63 or later.

// This example assumes Chilkat Ftp2 to have been previously unlocked.
// See Unlock Ftp2 for sample code.

CkoFtp2 *ftp = [[CkoFtp2 alloc] init];

ftp.Hostname = @"www.my-ftp-server.com";
ftp.Username = @"mFtpLogin";
ftp.Password = @"myFtpPassword";

// Connect to the FTP server.
BOOL success = [ftp ConnectOnly];
if (success != YES) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

// Authenticate with the FTP server.
success = [ftp LoginAfterConnectOnly];
if (success != YES) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

// Move to the remove directory where our file is located.
success = [ftp ChangeRemoteDir: @"qa_data"];
if (success == YES) {
    success = [ftp ChangeRemoteDir: @"pdf"];
}

if (success != YES) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

// Download...
CkoBinData *pdfData = [[CkoBinData alloc] init];
success = [ftp GetFileBd: @"fishing.pdf" binData: pdfData];
if (success != YES) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

[ftp Disconnect];

// Create an email object, and add the PDF as an attachment.
CkoEmail *email = [[CkoEmail alloc] init];
email.Subject = @"Test with PDF attachment.";
email.Body = @"This is a plain-text body..";

// Add the PDF attachment.  (This method call requires Chilkat v9.5.0.63 or later)
success = [email AddAttachmentBd: @"fishing.pdf" binData: pdfData contentType: @"application/pdf"];
if (success != YES) {
    NSLog(@"%@",email.LastErrorText);
    return;
}

// Save the email and examine with a text editor to see the PDF attachment is present..
[email SaveEml: @"qa_output/out.eml"];

NSLog(@"%@",@"Success.");