openethereum/rpc/src/v1/metadata.rs

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// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! Parity RPC requests Metadata.
use std::sync::Arc;
use jsonrpc_core;
use jsonrpc_pubsub::{Session, PubSubMetadata};
use v1::types::{DappId, Origin};
/// RPC methods metadata.
#[derive(Clone, Default, Debug)]
pub struct Metadata {
/// Request origin
pub origin: Origin,
/// Request PubSub Session
pub session: Option<Arc<Session>>,
}
impl Metadata {
/// Returns dapp id if this request is coming from a Dapp or default `DappId` otherwise.
pub fn dapp_id(&self) -> DappId {
// TODO [ToDr] Extract dapp info from Ws connections.
match self.origin {
Origin::Dapps(ref dapp) => dapp.clone(),
Origin::Ws { ref dapp, .. } => dapp.clone(),
Origin::Signer { ref dapp, .. } => dapp.clone(),
_ => DappId::default(),
}
}
}
impl jsonrpc_core::Metadata for Metadata {}
impl PubSubMetadata for Metadata {
fn session(&self) -> Option<Arc<Session>> {
self.session.clone()
}
}