From 8b29cd55797cc58527e8c2722cd2995334b0b8a9 Mon Sep 17 00:00:00 2001
From: Harald Eilertsen <haraldei@anduin.net>
Date: Tue, 12 Feb 2019 20:19:09 +0100
Subject: Move main logic into lib.

---
 src/main.rs | 97 ++-----------------------------------------------------------
 1 file changed, 2 insertions(+), 95 deletions(-)

(limited to 'src/main.rs')

diff --git a/src/main.rs b/src/main.rs
index 0bd1d3c..b89a381 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,101 +14,8 @@
 // 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 std::{env, thread, time, process};
-use std::error::Error;
-use ring::digest;
-
-//
-// Convert a slice of bytes into a string of hex values
-//
-fn to_hex(data: &[u8]) -> String {
-    data.iter()
-        .map(|b| format!("{:02X}", b))
-        .collect()
-}
-
-#[test]
-fn test_to_hex() {
-    let input = [0x01, 0x00, 0xff, 0xaa, 0x10, 0x07];
-    assert_eq!(to_hex(&input), "0100FFAA1007");
-}
-
-///
-/// Split the digest into the range and rest parts for k-anonymity
-///
-fn to_k_anon(d: digest::Digest) -> (String, String) {
-    let mut hash = to_hex(d.as_ref());
-    let rest = hash.split_off(5);
-    (hash, rest)
-}
-
-#[test]
-fn test_k_anon() {
-    let input = digest::digest(&digest::SHA1, "Passw0rd".as_bytes());
-    let (range, rest) = to_k_anon(input);
-    assert_eq!(&range, "EBFC7");
-    assert_eq!(&rest, "910077770C8340F63CD2DCA2AC1F120444F");
-}
-
-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));
-}
-
-fn check(pw: Password) -> Result<usize, reqwest::Error>{
-    let uri = &format!("https://api.pwnedpasswords.com/range/{}", pw.range);
-    let hashes = reqwest::get(uri)?.text()?;
-    Ok(pw.is_pwned(&hashes))
-}
+use checkpw::{check, Password};
+use std::{env, error::Error, thread, time, process};
 
 fn print_usage() {
     println!("Usage: checkpw <pw>...");
-- 
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