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author | Harald Eilertsen <haraldei@anduin.net> | 2019-02-12 20:56:49 +0100 |
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committer | Harald Eilertsen <haraldei@anduin.net> | 2019-02-12 20:56:49 +0100 |
commit | ff67e316c1dac3b4fc564d9119177efc2d096d25 (patch) | |
tree | 9ed737dc0f8cdc55d5e6adfa76b966ed3ca21f89 /src/password.rs | |
parent | 6665fd05a9a72bdaa1c56d30cb15fbf939ea84d9 (diff) | |
download | checkpw-ff67e316c1dac3b4fc564d9119177efc2d096d25.tar.gz checkpw-ff67e316c1dac3b4fc564d9119177efc2d096d25.tar.bz2 checkpw-ff67e316c1dac3b4fc564d9119177efc2d096d25.zip |
Refactor lib into modules.
Diffstat (limited to 'src/password.rs')
-rw-r--r-- | src/password.rs | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/password.rs b/src/password.rs new file mode 100644 index 0000000..020fa58 --- /dev/null +++ b/src/password.rs @@ -0,0 +1,79 @@ +// checkpw - Check passwords against pwnedpasswords.com +// Copyright (C) 2018 Harald Eilertsen <haraldei@anduin.net> +// +// This program 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. +// +// This program 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 this program. If not, see <https://www.gnu.org/licenses/>. + +use crate::k_anon::to_k_anon; +use ring::digest; + +pub struct Password { + pub range: String, + pub rest: String, +} + +impl Password { + pub fn new(pw: &str) -> Password { + let (range, rest) = to_k_anon(digest::digest(&digest::SHA1, &pw.as_bytes())); + + Password { range, rest } + } + + pub fn is_pwned(&self, hashes: &str) -> usize { + if let Some(pos) = hashes.find(&self.rest) { + if let Some(res) = hashes[pos..].lines().take(1).collect::<Vec<_>>().pop() { + return res + .split(':') + .skip(1) + .collect::<Vec<_>>() + .pop() + .unwrap() + .parse() + .unwrap(); + } + } + + 0 + } +} + +#[test] +fn test_creating_new_password() { + let pw = Password::new("Passw0rd"); + assert_eq!(&pw.range, "EBFC7"); + assert_eq!(&pw.rest, "910077770C8340F63CD2DCA2AC1F120444F"); +} + +#[test] +fn test_matching_response_with_no_matches() { + let pw = Password::new("Passw0rd"); + let hashes = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA:42"; + + assert_eq!(0, pw.is_pwned(&hashes)); +} + +#[test] +fn test_matching_response_with_one_match() { + let pw = Password::new("Passw0rd"); + let hashes = "910077770C8340F63CD2DCA2AC1F120444F:42"; + + assert_eq!(42, pw.is_pwned(&hashes)); +} + +#[test] +fn test_matching_response_with_multiple_matches() { + let pw = Password::new("Passw0rd"); + let hashes = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA:3\n910077770C8340F63CD2DCA2AC1F120444F:42\n00000000000000000000:1"; + + assert_eq!(42, pw.is_pwned(&hashes)); +} |