mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-26 21:41:08 +00:00
Igor Matuszewski
4b1f7d187f
* sc-cli: Use type-safe constructors for RPC/Prometheus interfaces * service: Simplify rpc handler creation Could probably be further simplifies once [this][commit] lands. [commit]: https://github.com/paritytech/jsonrpc/commit/20485387ed06a48f1a70bf4d609a7cde6cf0accf * service: Streamline some HTTP & WS server start logic * client: Introduce a simple RPC policy mechanism * rpc/system: Check unsafe RPCs * rpc/offchain: Check unsafe RPCs * rpc/author: Check unsafe RPCs
61 lines
1.9 KiB
Rust
61 lines
1.9 KiB
Rust
// Copyright 2020 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Substrate is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
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//! Policy-related types.
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//!
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//! Contains a `DenyUnsafe` type that can be used to deny potentially unsafe
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//! RPC when accessed externally.
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use jsonrpc_core as rpc;
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/// Signifies whether a potentially unsafe RPC should be denied.
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#[derive(Clone, Copy, Debug)]
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pub enum DenyUnsafe {
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/// Denies only potentially unsafe RPCs.
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Yes,
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/// Allows calling every RPCs.
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No
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}
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impl DenyUnsafe {
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/// Returns `Ok(())` if the RPCs considered unsafe are safe to call,
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/// otherwise returns `Err(UnsafeRpcError)`.
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pub fn check_if_safe(self) -> Result<(), UnsafeRpcError> {
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match self {
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DenyUnsafe::Yes => Err(UnsafeRpcError),
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DenyUnsafe::No => Ok(())
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}
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}
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}
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/// Signifies whether an RPC considered unsafe is denied to be called externally.
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#[derive(Debug)]
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pub struct UnsafeRpcError;
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impl std::fmt::Display for UnsafeRpcError {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "RPC call is unsafe to be called externally")
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}
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}
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impl std::error::Error for UnsafeRpcError {}
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impl From<UnsafeRpcError> for rpc::Error {
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fn from(_: UnsafeRpcError) -> rpc::Error {
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rpc::Error::method_not_found()
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}
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}
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