Files
lettre/src/message/header/content_disposition.rs

90 lines
2.5 KiB
Rust

use super::{Header, HeaderName};
use crate::BoxError;
/// `Content-Disposition` of an attachment
///
/// Defined in [RFC2183](https://tools.ietf.org/html/rfc2183)
#[derive(Debug, Clone, PartialEq)]
pub struct ContentDisposition(String);
impl ContentDisposition {
/// An attachment which should be displayed inline into the message
pub fn inline() -> Self {
Self("inline".into())
}
/// An attachment which should be displayed inline into the message, but that also
/// species the filename in case it were to be downloaded
pub fn inline_with_name(file_name: &str) -> Self {
debug_assert!(!file_name.contains('"'), "file_name shouldn't contain '\"'");
Self(format!("inline; filename=\"{}\"", file_name))
}
/// An attachment which is separate from the body of the message, and can be downloaded separately
pub fn attachment(file_name: &str) -> Self {
debug_assert!(!file_name.contains('"'), "file_name shouldn't contain '\"'");
Self(format!("attachment; filename=\"{}\"", file_name))
}
}
impl Header for ContentDisposition {
fn name() -> HeaderName {
HeaderName::new_from_ascii_str("Content-Disposition")
}
fn parse(s: &str) -> Result<Self, BoxError> {
Ok(Self(s.into()))
}
fn display(&self) -> String {
self.0.clone()
}
}
#[cfg(test)]
mod test {
use super::ContentDisposition;
use crate::message::header::{HeaderName, Headers};
#[test]
fn format_content_disposition() {
let mut headers = Headers::new();
headers.set(ContentDisposition::inline());
assert_eq!(format!("{}", headers), "Content-Disposition: inline\r\n");
headers.set(ContentDisposition::attachment("something.txt"));
assert_eq!(
format!("{}", headers),
"Content-Disposition: attachment; filename=\"something.txt\"\r\n"
);
}
#[test]
fn parse_content_disposition() {
let mut headers = Headers::new();
headers.insert_raw(
HeaderName::new_from_ascii_str("Content-Disposition"),
"inline".to_string(),
);
assert_eq!(
headers.get::<ContentDisposition>(),
Some(ContentDisposition::inline())
);
headers.insert_raw(
HeaderName::new_from_ascii_str("Content-Disposition"),
"attachment; filename=\"something.txt\"".to_string(),
);
assert_eq!(
headers.get::<ContentDisposition>(),
Some(ContentDisposition::attachment("something.txt"))
);
}
}