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authorBryan Newbold <bnewbold@robocracy.org>2019-01-08 15:18:36 -0800
committerBryan Newbold <bnewbold@robocracy.org>2019-01-08 15:18:36 -0800
commitfee4f9e8957f7f51acb320ec880de166377807f7 (patch)
treea59cf33ef129a84f73fe8a0e0313f572bbb9f418 /rust/src
parentbb4a5e47bae054ad9abe500f1a81d30db4e65306 (diff)
downloadfatcat-fee4f9e8957f7f51acb320ec880de166377807f7.tar.gz
fatcat-fee4f9e8957f7f51acb320ec880de166377807f7.zip
iterate on macaroon time caveat names
Diffstat (limited to 'rust/src')
-rw-r--r--rust/src/auth.rs39
1 files changed, 19 insertions, 20 deletions
diff --git a/rust/src/auth.rs b/rust/src/auth.rs
index c20b9b71..f9b8d7b9 100644
--- a/rust/src/auth.rs
+++ b/rust/src/auth.rs
@@ -213,17 +213,18 @@ impl AuthConfectionary {
pub fn create_token(
&self,
editor_id: FatCatId,
- expires: Option<DateTime<Utc>>,
+ duration: Option<chrono::Duration>,
) -> Result<String> {
let mut mac = Macaroon::create(&self.location, &self.key, &self.identifier)
.expect("Macaroon creation");
mac.add_first_party_caveat(&format!("editor_id = {}", editor_id.to_string()));
- // TODO: put created one second in the past to prevent timing synchronization glitches?
- let now = Utc::now().to_rfc3339_opts(SecondsFormat::Secs, true);
- mac.add_first_party_caveat(&format!("created = {}", now));
- if let Some(expires) = expires {
+ let now_utc = Utc::now();
+ let now = now_utc.to_rfc3339_opts(SecondsFormat::Secs, true);
+ mac.add_first_party_caveat(&format!("time > {}", now));
+ if let Some(duration) = duration {
+ let expires = now_utc + duration;
mac.add_first_party_caveat(&format!(
- "expires = {:?}",
+ "time < {:?}",
&expires.to_rfc3339_opts(SecondsFormat::Secs, true)
));
};
@@ -274,18 +275,18 @@ impl AuthConfectionary {
}
let mut created: Option<DateTime<Utc>> = None;
for caveat in mac.first_party_caveats() {
- if caveat.predicate().starts_with("created = ") {
+ if caveat.predicate().starts_with("time > ") {
created = Some(
- DateTime::parse_from_rfc3339(caveat.predicate().get(10..).unwrap())
+ DateTime::parse_from_rfc3339(caveat.predicate().get(7..).unwrap())
.unwrap()
.with_timezone(&Utc),
);
break;
}
}
- let created = created.expect("expected a 'created' caveat");
+ let created = created.expect("expected a 'created' (time >) caveat");
verifier.satisfy_exact(&format!(
- "created = {}",
+ "time > {}",
created.to_rfc3339_opts(SecondsFormat::Secs, true)
));
let editor: EditorRow = editor::table.find(&editor_id.to_uuid()).get_result(conn)?;
@@ -299,9 +300,9 @@ impl AuthConfectionary {
.into());
}
verifier.satisfy_general(|p: &str| -> bool {
- // not expired (based on expires)
- if p.starts_with("expires = ") {
- let expires: DateTime<Utc> = DateTime::parse_from_rfc3339(p.get(12..).unwrap())
+ // not expired (based on time)
+ if p.starts_with("time < ") {
+ let expires: DateTime<Utc> = DateTime::parse_from_rfc3339(p.get(7..).unwrap())
.unwrap()
.with_timezone(&Utc);
expires < Utc::now()
@@ -312,10 +313,8 @@ impl AuthConfectionary {
let verify_key = match self.root_keys.get(mac.identifier()) {
Some(key) => key,
None => {
- // TODO: better message
- //bail!("key not found for identifier: {}", mac.identifier()),
return Err(ErrorKind::InvalidCredentials(
- "key not found for identifier".to_string(),
+ format!("no valid auth signing key for identifier: {}", mac.identifier())
)
.into());
}
@@ -324,15 +323,15 @@ impl AuthConfectionary {
Ok(true) => (),
Ok(false) => {
return Err(ErrorKind::InvalidCredentials(
- "token overall verification failed".to_string(),
+ "auth token (macaroon) not valid (signature and/or caveats failed)".to_string(),
)
.into());
}
- Err(_e) => {
+ Err(e) => {
// TODO: chain
- //bail!("token parsing failed: {:?}", e),
return Err(
- ErrorKind::InvalidCredentials("token parsing failed".to_string()).into(),
+ ErrorKind::InvalidCredentials(
+ format!("token parsing failed: {:?}", e)).into(),
);
}
}