Rust

Get the Decoded MIME Body Bytes (BinData)

Demonstrates the Chilkat Mime.GetBodyBd method, which replaces the contents of a BinData with the decoded body bytes of the current part. The only argument is the BinData. Base64 and quoted-printable are decoded; headers and boundaries are not included.

Note: The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background: This is how you extract a part's actual content as bytes — the decoded payload of an attachment or an image, ready to hash, re-save, or hand to another API. Because it works in raw bytes it is the correct choice for binary parts, where a text decode would be wrong. Note it replaces the BinData contents rather than appending.

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Rust


let mime = chilkat::Mime::new();
if mime.load_mime_file("qa_data/message.eml").is_err() {
    println!("{}", mime.last_error_text());
    return;
}

// Replace the contents of a BinData with the decoded body bytes of the current part.  Base64 and
// quoted-printable are decoded; MIME headers and multipart boundaries are not included.
let bd = chilkat::BinData::new();
if mime.get_body_bd(&bd).is_err() {
    println!("{}", mime.last_error_text());
    return;
}

println!("Decoded body: {} bytes.", bd.num_bytes());