wala-rust

commit 000292e482d8c174a165e588a42976eef497c9c7
parent 1633ecdaa9bf2a3a6ccd0c7891813cc856b7fa12
Author: lash <dev@holbrook.no>
Date:   Tue, 21 Jun 2022 09:05:28 +0000

Add mutable pointer test

Diffstat:
A
src/mutable.rs
 | 
53
+++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 53 insertions(+), 0 deletions(-)
diff --git a/src/mutable.rs b/src/mutable.rs
@@ -0,0 +1,53 @@
+use std::str::FromStr;
+use std::convert::Infallible;
+
+use sha2::{Sha256, Digest};
+
+use crate::auth::AuthResult;
+
+pub struct ResourceKey { 
+    v: Vec<u8>,
+}
+
+impl FromStr for ResourceKey {
+    type Err = Infallible;
+
+    fn from_str(s: &str) -> Result<ResourceKey, Infallible> {
+            let mut h = Sha256::new();
+            h.update(&s[..]);
+            let k = ResourceKey{
+                v: h.finalize().to_vec(),
+            };
+            Ok(k)
+    }
+}
+
+impl ResourceKey {
+    pub fn pointer_for(&self, subject: &AuthResult) -> Vec<u8> {
+        let mut h = Sha256::new();
+        h.update(&self.v);
+        h.update(&subject.identity);
+        h.finalize().to_vec()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::ResourceKey;
+    use super::AuthResult;
+    use hex;
+
+    #[test]
+    fn test_pointer() {
+        let resource = ResourceKey{
+            v: vec!(0x66, 0x6f, 0x6f),
+        };
+        let subject = AuthResult{
+            identity: vec!(0x62, 0x61, 0x72),
+        };
+        let r = resource.pointer_for(&subject);
+
+        let foobar_digest = hex::decode("c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2").unwrap();
+        assert_eq!(r, foobar_digest);
+    }
+}