Zig

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.

Zig

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    var success: bool = false;

    // 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.

    const ftp = try chilkat.Ftp2.init();
    defer ftp.deinit();

    ftp.setHostname("www.my-ftp-server.com");
    ftp.setUsername("mFtpLogin");
    ftp.setPassword("myFtpPassword");

    // Connect to the FTP server.
    success = if (ftp.connectOnly()) true else |_| false;
    if (!success) {
        std.debug.print("{s}\n", .{try ftp.getLastErrorText(alloc)});
        return;
    }

    // Authenticate with the FTP server.
    success = if (ftp.loginAfterConnectOnly()) true else |_| false;
    if (!success) {
        std.debug.print("{s}\n", .{try ftp.getLastErrorText(alloc)});
        return;
    }

    // Move to the remove directory where our file is located.
    success = if (ftp.changeRemoteDir("qa_data")) true else |_| false;
    if (success) {
        success = if (ftp.changeRemoteDir("pdf")) true else |_| false;
    }

    if (!success) {
        std.debug.print("{s}\n", .{try ftp.getLastErrorText(alloc)});
        return;
    }

    // Download...
    const pdf_data = try chilkat.BinData.init();
    defer pdf_data.deinit();
    ftp.getFileBd("fishing.pdf", pdf_data) catch {
        std.debug.print("{s}\n", .{try ftp.getLastErrorText(alloc)});
        return;
    };

    ftp.disconnect() catch {};

    // Create an email object, and add the PDF as an attachment.
    const email = try chilkat.Email.init();
    defer email.deinit();
    email.setSubject("Test with PDF attachment.");
    email.setBody("This is a plain-text body..");

    // Add the PDF attachment.  (This method call requires Chilkat v9.5.0.63 or later)
    email.addAttachmentBd("fishing.pdf", pdf_data, "application/pdf") catch {
        std.debug.print("{s}\n", .{try email.getLastErrorText(alloc)});
        return;
    };

    // Save the email and examine with a text editor to see the PDF attachment is present..
    email.saveEml("qa_output/out.eml") catch {};

    std.debug.print("Success.\n", .{});
}