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/*
* meli - ui crate.
*
* Copyright 2019 Manos Pitsidianakis
*
* This file is part of meli.
*
* meli is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* meli is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with meli. If not, see <http://www.gnu.org/licenses/>.
*/
use super::*;
use std::io::Write;
use std::process::{Command, Stdio};
pub fn verify_signature(a: &Attachment, context: &mut Context) -> Vec<u8> {
match melib::signatures::verify_signature(a) {
Ok((bytes, sig)) => {
let bytes_file = create_temp_file(&bytes, None, None, true);
let signature_file = create_temp_file(sig, None, None, true);
if let Ok(gpg) = Command::new(
context
.settings
.pgp
.gpg_binary
.as_ref()
.map(String::as_str)
.unwrap_or("gpg2"),
)
.args(&[
"--output",
"-",
"--verify",
signature_file.path.to_str().unwrap(),
bytes_file.path.to_str().unwrap(),
])
.stdin(Stdio::piped())
.stderr(Stdio::piped())
.spawn()
{
return gpg.wait_with_output().unwrap().stderr;
} else {
context.replies.push_back(UIEvent::Notification(
Some(format!(
"Failed to launch {} to verify PGP signature",
context
.settings
.pgp
.gpg_binary
.as_ref()
.map(String::as_str)
.unwrap_or("gpg2"),
)),
"see meli.conf(5) for configuration setting pgp.gpg_binary".to_string(),
Some(NotificationType::ERROR),
));
}
}
Err(e) => {
context.replies.push_back(UIEvent::Notification(
Some(e.to_string()),
String::new(),
Some(NotificationType::ERROR),
));
}
}
Vec::new()
}
/// Returns multipart/signed
pub fn sign(
a: AttachmentBuilder,
gpg_binary: Option<&str>,
pgp_key: Option<&str>,
) -> Result<AttachmentBuilder> {
let mut command = Command::new(gpg_binary.unwrap_or("gpg2"));
command.args(&[
"--digest-algo",
"sha512",
"--output",
"-",
"--detach-sig",
"--armor",
]);
if let Some(key) = pgp_key {
command.args(&["--local-user", key]);
}
let a: Attachment = a.into();
let mut gpg = command
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.stderr(Stdio::null())
.spawn()?;
let sig_attachment = {
gpg.stdin
.as_mut()
.unwrap()
.write_all(&melib::signatures::convert_attachment_to_rfc_spec(
a.into_raw().as_bytes(),
))
.unwrap();
let gpg = gpg.wait_with_output().unwrap();
Attachment::new(ContentType::PGPSignature, Default::default(), gpg.stdout)
};
let a: AttachmentBuilder = a.into();
let parts = vec![a, sig_attachment.into()];
let boundary = ContentType::make_boundary(&parts);
Ok(Attachment::new(
ContentType::Multipart {
boundary: boundary.into_bytes(),
kind: MultipartType::Signed,
parts: parts.into_iter().map(|a| a.into()).collect::<Vec<_>>(),
},
Default::default(),
Vec::new(),
)
.into())
}
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