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#![warn(unused_extern_crates)]
#[macro_use]
extern crate log;
#[macro_use]
extern crate failure;
use std::io::prelude::*;
pub mod armor;
pub mod errors;
mod encoding;
pub mod packet;
pub use packet::Tag;
pub mod pubkey;
pub mod signature;
pub use signature::Signature;
pub struct Parser<R: Read> {
r: R,
max_alloc: Option<usize>,
}
impl<R: Read> Parser<R> {
pub fn new(r: R) -> Parser<R> {
Parser {
r,
max_alloc: None,
}
}
pub fn with_max_alloc(r: R, max_alloc: usize) -> Parser<R> {
Parser {
r,
max_alloc: Some(max_alloc),
}
}
pub fn inner(&self) -> &R {
&self.r
}
}
impl<R: Read> Iterator for Parser<R> {
type Item = (Tag, Vec<u8>);
fn next(&mut self) -> Option<Self::Item> {
let mut packet_body = Vec::new();
let tag = packet::read(&mut self.r, &mut packet_body, &self.max_alloc);
debug!("Received tag: {:?}", tag);
match tag {
Ok(tag) => Some((tag, packet_body)),
_ => None,
}
}
}
#[cfg(test)]
mod tests {
use armor::read_armored;
use std::io::BufReader;
use super::*;
#[test]
fn extract_userid_from_pubkey() {
let key = include_bytes!("../data/hans_acker.asc");
let key = read_armored(&mut BufReader::new(&key[..])).expect("read_armored");
for (tag, body) in Parser::new(key.as_slice()) {
println!("{:?}: {:?}", tag, body);
if tag == Tag::UserID {
let body = String::from_utf8(body).expect("invalid utf8");
println!("UserID: {:?}", body);
assert_eq!("Hans Acker (example comment) <hans.acker@example.com>", body);
return;
}
}
unreachable!("UserID wasn't found");
}
#[test]
fn extract_userid_from_pubkey_freebsd() {
let key = include_bytes!("../data/freebsd.asc");
let key = read_armored(&mut BufReader::new(&key[..])).expect("read_armored");
for (tag, body) in Parser::new(key.as_slice()) {
if tag == Tag::UserID {
let body = String::from_utf8(body).expect("invalid utf8");
println!("UserID: {:?}", body);
assert_eq!("FreeBSD Security Officer <security-officer@FreeBSD.org>", body);
return;
}
}
unreachable!("UserID wasn't found");
}
#[test]
fn extract_userid_from_pubkey_freebsd_with_alloc_limit() {
let key = include_bytes!("../data/freebsd.asc");
let key = read_armored(&mut BufReader::new(&key[..])).expect("read_armored");
for (tag, body) in Parser::with_max_alloc(key.as_slice(), 1024 * 1024) {
if tag == Tag::UserID {
let body = String::from_utf8(body).expect("invalid utf8");
println!("UserID: {:?}", body);
assert_eq!("FreeBSD Security Officer <security-officer@FreeBSD.org>", body);
return;
}
}
unreachable!("UserID wasn't found");
}
#[test]
fn extract_userid_from_pubkey_freebsd_with_tiny_alloc_limit() {
let key = include_bytes!("../data/freebsd.asc");
let key = read_armored(&mut BufReader::new(&key[..])).expect("read_armored");
for (_tag, _body) in Parser::with_max_alloc(key.as_slice(), 3) {
unreachable!("max alloc didn't work");
}
}
}