crypto: Test the creation of an Olm session.

src/crypto/device.rs

@@ -13,12 +13,16 @@
 // limitations under the License.
 
 use std::collections::BTreeMap;
+#[cfg(test)]
+use std::convert::TryFrom;
 use std::mem;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::Arc;
 
 use atomic::Atomic;
 
+#[cfg(test)]
+use super::OlmMachine;
 use crate::api::r0::keys::{DeviceKeys, KeyAlgorithm};
 use crate::events::Algorithm;
 use crate::identifiers::{DeviceId, UserId};
@@ -151,6 +155,36 @@ impl Device {
     }
 }
 
+#[cfg(test)]
+impl From<&OlmMachine> for Device {
+    fn from(machine: &OlmMachine) -> Self {
+        Device {
+            user_id: Arc::new(machine.user_id.clone()),
+            device_id: Arc::new(machine.device_id.clone()),
+            algorithms: Arc::new(vec![
+                Algorithm::MegolmV1AesSha2,
+                Algorithm::OlmV1Curve25519AesSha2,
+            ]),
+            keys: Arc::new(
+                machine
+                    .account
+                    .identity_keys()
+                    .iter()
+                    .map(|(key, value)| {
+                        (
+                            KeyAlgorithm::try_from(key.as_ref()).unwrap(),
+                            value.to_owned(),
+                        )
+                    })
+                    .collect(),
+            ),
+            display_name: Arc::new(None),
+            deleted: Arc::new(AtomicBool::new(false)),
+            trust_state: Arc::new(Atomic::new(TrustState::Unset)),
+        }
+    }
+}
+
 impl From<&DeviceKeys> for Device {
     fn from(device_keys: &DeviceKeys) -> Self {
         let mut keys = BTreeMap::new();

src/crypto/machine.rs

@@ -61,11 +61,11 @@ pub type OneTimeKeys = BTreeMap<AlgorithmAndDeviceId, OneTimeKey>;
 
 pub struct OlmMachine {
     /// The unique user id that owns this account.
-    user_id: UserId,
+    pub(crate) user_id: UserId,
     /// The unique device id of the device that holds this account.
-    device_id: DeviceId,
+    pub(crate) device_id: DeviceId,
     /// Our underlying Olm Account holding our identity keys.
-    account: Account,
+    pub(crate) account: Account,
     /// The number of signed one-time keys we have uploaded to the server. If
     /// this is None, no action will be taken. After a sync request the client
     /// needs to set this for us, depending on the count we will suggest the
@@ -1366,21 +1366,32 @@ impl OlmMachine {
 
 #[cfg(test)]
 mod test {
-    static USER_ID: &str = "@test:example.org";
-    const DEVICE_ID: &str = "DEVICEID";
+    static USER_ID: &str = "@bob:example.org";
+    static DEVICE_ID: &str = "DEVICEID";
 
     use js_int::UInt;
+    use std::collections::BTreeMap;
     use std::convert::TryFrom;
     use std::fs::File;
     use std::io::prelude::*;
 
-    use ruma_identifiers::UserId;
     use serde_json::json;
 
     use crate::api::r0::keys;
-    use crate::crypto::machine::OlmMachine;
+    use crate::crypto::machine::{OlmMachine, OneTimeKeys};
+    use crate::crypto::Device;
+    use crate::identifiers::{DeviceId, UserId};
+
     use http::Response;
 
+    fn alice_id() -> UserId {
+        UserId::try_from("@alice:example.org").unwrap()
+    }
+
+    fn alice_device_id() -> DeviceId {
+        "JLAFKJWSCS".to_string()
+    }
+
     fn user_id() -> UserId {
         UserId::try_from(USER_ID).unwrap()
     }
@@ -1405,10 +1416,10 @@ mod test {
         keys::get_keys::Response::try_from(data).expect("Can't parse the keys upload response")
     }
 
-    async fn get_prepared_machine() -> OlmMachine {
+    async fn get_prepared_machine() -> (OlmMachine, OneTimeKeys) {
         let mut machine = OlmMachine::new(&user_id(), DEVICE_ID).unwrap();
         machine.uploaded_signed_key_count = Some(0);
-        let (_, _) = machine
+        let (_, otk) = machine
             .keys_for_upload()
             .await
             .expect("Can't prepare initial key upload");
@@ -1418,7 +1429,34 @@ mod test {
             .await
             .unwrap();
 
+        (machine, otk.unwrap())
+    }
+
+    async fn get_machine_after_query() -> (OlmMachine, OneTimeKeys) {
+        let (mut machine, otk) = get_prepared_machine().await;
+        let response = keys_query_response();
+
         machine
+            .receive_keys_query_response(&response)
+            .await
+            .unwrap();
+
+        (machine, otk)
+    }
+
+    async fn get_machine_pair() -> (OlmMachine, OlmMachine, OneTimeKeys) {
+        let (bob, otk) = get_prepared_machine().await;
+
+        let alice_id = alice_id();
+        let alice_device = alice_device_id();
+        let alice = OlmMachine::new(&alice_id, &alice_device).unwrap();
+
+        let alice_deivce = Device::from(&alice);
+        let bob_device = Device::from(&bob);
+        alice.store.save_device(bob_device).await.unwrap();
+        bob.store.save_device(alice_deivce).await.unwrap();
+
+        (alice, bob, otk)
     }
 
     #[tokio::test]
@@ -1590,7 +1628,7 @@ mod test {
 
     #[tokio::test]
     async fn test_keys_query() {
-        let mut machine = get_prepared_machine().await;
+        let (mut machine, _) = get_prepared_machine().await;
         let response = keys_query_response();
         let alice_id = UserId::try_from("@alice:example.org").unwrap();
         let alice_device_id = "JLAFKJWSCS".to_owned();
@@ -1612,4 +1650,55 @@ mod test {
         assert_eq!(device.user_id(), &alice_id);
         assert_eq!(device.device_id(), &alice_device_id);
     }
+
+    #[tokio::test]
+    async fn test_missing_sessions_calculation() {
+        let (mut machine, _) = get_machine_after_query().await;
+
+        let alice = alice_id();
+        let alice_device = alice_device_id();
+
+        let missing_sessions = machine
+            .get_missing_sessions([alice.clone()].iter())
+            .await
+            .unwrap();
+
+        assert!(missing_sessions.contains_key(&alice));
+        let user_sessions = missing_sessions.get(&alice).unwrap();
+        assert!(user_sessions.contains_key(&alice_device));
+    }
+
+    #[tokio::test]
+    async fn test_key_claiming() {
+        let (mut alice_machine, bob_machine, one_time_keys) = get_machine_pair().await;
+
+        let mut bob_keys = BTreeMap::new();
+
+        let one_time_key = one_time_keys.iter().nth(0).unwrap();
+        let mut keys = BTreeMap::new();
+        keys.insert(one_time_key.0.clone(), one_time_key.1.clone());
+        bob_keys.insert(bob_machine.device_id.clone(), keys);
+
+        let mut one_time_keys = BTreeMap::new();
+        one_time_keys.insert(bob_machine.user_id.clone(), bob_keys);
+
+        let response = keys::claim_keys::Response {
+            failures: BTreeMap::new(),
+            one_time_keys,
+        };
+
+        alice_machine
+            .receive_keys_claim_response(&response)
+            .await
+            .unwrap();
+
+        let session = alice_machine
+            .store
+            .get_sessions(bob_machine.account.identity_keys().curve25519())
+            .await
+            .unwrap()
+            .unwrap();
+
+        assert!(!session.lock().await.is_empty())
+    }
 }