session.rs
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session.rs
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	use super::{ffi::SessionKeys, Curve25519PublicKey, OlmMessage};

	pub struct Session(pub(crate) vodozemac::olm::Session);

	impl Session {
	pub fn session_id(&self) -> String {
	self.0.session_id()
	}

	pub fn pickle(&self, pickle_key: &[u8; 32]) -> String {
	self.0.pickle().encrypt(pickle_key)
	}

	pub fn encrypt(&mut self, plaintext: &str) -> Box<OlmMessage> {
	OlmMessage(self.0.encrypt(plaintext)).into()
	}

	pub fn decrypt(&mut self, message: &OlmMessage) -> Result<String, anyhow::Error> {
	Ok(self.0.decrypt(&message.0)?)
	}

	pub fn session_keys(&self) -> SessionKeys {
	let session_keys = self.0.session_keys();

	SessionKeys {
	identity_key: Curve25519PublicKey(session_keys.identity_key).into(),
	base_key: Curve25519PublicKey(session_keys.base_key).into(),
	one_time_key: Curve25519PublicKey(session_keys.one_time_key).into(),
	}
	}

	pub fn session_matches(&self, message: &OlmMessage) -> bool {
	if let vodozemac::olm::OlmMessage::PreKey(m) = &message.0 {
	self.0.session_keys() == m.session_keys()
	} else {
	false
	}
	}
	}

	pub fn session_from_pickle(
	pickle: &str,
	pickle_key: &[u8; 32],
	) -> Result<Box<Session>, anyhow::Error> {
	let pickle = vodozemac::olm::SessionPickle::from_encrypted(pickle, pickle_key)?;
	Ok(Session(vodozemac::olm::Session::from_pickle(pickle)).into())
	}