let input = concat!(
"From: Art Vandelay <[email protected]> (Vandelay Industries)\n",
"To: \"Colleagues\": \"James Smythe\" <[email protected]>; Friends:\n",
" [email protected], =?UTF-8?Q?John_Sm=C3=AEth?= <[email protected]>;\n",
"Date: Sat, 20 Nov 2021 14:22:01 -0800\n",
"Subject: Why not both importing AND exporting? =?utf-8?b?4pi6?=\n",
"Content-Type: multipart/mixed; boundary=\"festivus\";\n\n",
"--festivus\n",
"Content-Type: text/html; charset=\"us-ascii\"\n",
"Content-Transfer-Encoding: base64\n\n",
"PGh0bWw+PHA+SSB3YXMgdGhpbmtpbmcgYWJvdXQgcXVpdHRpbmcgdGhlICZsZHF1bztle\n",
"HBvcnRpbmcmcmRxdW87IHRvIGZvY3VzIGp1c3Qgb24gdGhlICZsZHF1bztpbXBvcnRpbm\n",
"cmcmRxdW87LDwvcD48cD5idXQgdGhlbiBJIHRob3VnaHQsIHdoeSBub3QgZG8gYm90aD8\n",
"gJiN4MjYzQTs8L3A+PC9odG1sPg==\n",
"--festivus\n",
"Content-Type: message/rfc822\n\n",
"From: \"Cosmo Kramer\" <[email protected]>\n",
"Subject: Exporting my book about coffee tables\n",
"Content-Type: multipart/mixed; boundary=\"giddyup\";\n\n",
"--giddyup\n",
"Content-Type: text/plain; charset=\"utf-16\"\n",
"Content-Transfer-Encoding: quoted-printable\n\n",
"=FF=FE=0C!5=D8\"=DD5=D8)=DD5=D8-=DD =005=D8*=DD5=D8\"=DD =005=D8\"=\n",
"=DD5=D85=DD5=D8-=DD5=D8,=DD5=D8/=DD5=D81=DD =005=D8*=DD5=D86=DD =\n",
"=005=D8=1F=DD5=D8,=DD5=D8,=DD5=D8(=DD =005=D8-=DD5=D8)=DD5=D8\"=\n",
"=DD5=D8=1E=DD5=D80=DD5=D8\"=DD!=00\n",
"--giddyup\n",
"Content-Type: image/gif; name*1=\"about \"; name*0=\"Book \";\n",
" name*2*=utf-8''%e2%98%95 tables.gif\n",
"Content-Transfer-Encoding: Base64\n",
"Content-Disposition: attachment\n\n",
"R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\n",
"--giddyup--\n",
"--festivus--\n",
)
.as_bytes();
let message = Message::parse(input);
// Parses addresses (including comments), lists and groups
assert_eq!(
message.get_from(),
&Address::Address(Addr {
name: Some("Art Vandelay (Vandelay Industries)".into()),
address: Some("[email protected]".into())
})
);
assert_eq!(
message.get_to(),
&Address::GroupList(vec![
Group {
name: Some("Colleagues".into()),
addresses: vec![Addr {
name: Some("James Smythe".into()),
address: Some("[email protected]".into())
}]
},
Group {
name: Some("Friends".into()),
addresses: vec![
Addr {
name: None,
address: Some("[email protected]".into())
},
Addr {
name: Some("John Smîth".into()),
address: Some("[email protected]".into())
}
]
}
])
);
assert_eq!(
message.get_date().unwrap().to_iso8601(),
"2021-11-20T14:22:01-08:00"
);
// RFC2047 support for encoded text in message readers
assert_eq!(
message.get_subject().unwrap(),
"Why not both importing AND exporting? ☺"
);
// HTML and text body parts are returned conforming to RFC8621, Section 4.1.4
assert_eq!(
message.get_html_body(0).unwrap().to_string(),
concat!(
"<html><p>I was thinking about quitting the “exporting” to ",
"focus just on the “importing”,</p><p>but then I thought,",
" why not do both? ☺</p></html>"
)
);
// HTML parts are converted to plain text (and viceversa) when missing
assert_eq!(
message.get_text_body(0).unwrap().to_string(),
concat!(
"I was thinking about quitting the “exporting” to focus just on the",
" “importing”,\nbut then I thought, why not do both? ☺\n"
)
);
// Supports nested messages as well as multipart/digest
let nested_message = match message.get_attachment(0).unwrap() {
MessagePart::Message(v) => v,
_ => unreachable!(),
};
assert_eq!(
nested_message.get_subject().unwrap(),
"Exporting my book about coffee tables"
);
// Handles UTF-* as well as many legacy encodings
assert_eq!(
nested_message.get_text_body(0).unwrap().to_string(),
"ℌ𝔢𝔩𝔭 𝔪𝔢 𝔢𝔵𝔭𝔬𝔯𝔱 𝔪𝔶 𝔟𝔬𝔬𝔨 𝔭𝔩𝔢𝔞𝔰𝔢!"
);
assert_eq!(
nested_message.get_html_body(0).unwrap().to_string(),
"<html><body>ℌ𝔢𝔩𝔭 𝔪𝔢 𝔢𝔵𝔭𝔬𝔯𝔱 𝔪𝔶 𝔟𝔬𝔬𝔨 𝔭𝔩𝔢𝔞𝔰𝔢!</body></html>"
);
let nested_attachment = match nested_message.get_attachment(0).unwrap() {
MessagePart::Binary(v) => v,
_ => unreachable!(),
};
assert_eq!(nested_attachment.len(), 42);
// Full RFC2231 support for continuations and character sets
assert_eq!(
nested_attachment
.get_header()
.unwrap()
.get_content_type()
.unwrap()
.get_attribute("name")
.unwrap(),
"Book about ☕ tables.gif"
);
// Integrates with Serde
println!("{}", serde_json::to_string_pretty(&message).unwrap());
println!("{}", serde_yaml::to_string(&message).unwrap());
