85 lines
2.3 KiB
Rust
85 lines
2.3 KiB
Rust
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//! All values that can be sent to and returned from Keyforkd.
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//!
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//! All Error values are stored as enum unit values.
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use keyfork_derive_util::request::{DerivationRequest, DerivationResponse};
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use serde::{Deserialize, Serialize};
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/// A request made to Keyforkd.
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#[derive(Serialize, Deserialize, Clone, Debug)]
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pub enum Request {
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/// A derivation request.
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Derivation(DerivationRequest),
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/// A derivation request, with a TTY provided for pinentry if necessary.
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DerivationWithTTY(DerivationRequest, String),
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}
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impl From<DerivationRequest> for Request {
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fn from(value: DerivationRequest) -> Self {
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Self::Derivation(value)
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}
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}
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impl From<(DerivationRequest, String)> for Request {
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fn from((request, tty): (DerivationRequest, String)) -> Self {
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Self::DerivationWithTTY(request, tty)
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}
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}
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#[derive(thiserror::Error, Clone, Debug, Serialize, Deserialize)]
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pub enum DerivationError {
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#[error("The provided TTY was not valid")]
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InvalidTTY,
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#[error("A TTY was required by the pinentry program but was not provided")]
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NoTTY,
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#[error("Invalid derivation length: Expected 2, actual: {0}")]
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InvalidDerivationLength(usize),
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#[error("Derivation error: {0}")]
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Derivation(String),
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}
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#[derive(thiserror::Error, Clone, Debug, Serialize, Deserialize)]
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pub enum Error {
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#[error(transparent)]
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Derivation(#[from] DerivationError),
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}
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/// Any response from a Keyforkd request.
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///
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/// Responses can be converted to their inner values without matching the Response type by
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/// using a type annotation and [`TryInto::try_into`].
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#[derive(Serialize, Deserialize, Clone, Debug)]
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#[non_exhaustive]
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pub enum Response {
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/// A derivation response.
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///
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/// From:
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/// * [`Request::Derivation`]
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/// * [`Request::DerivationWithTTY`]
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Derivation(DerivationResponse),
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}
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#[derive(thiserror::Error, Debug)]
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#[error("Unable to downcast to {0}")]
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pub struct Downcast(&'static str);
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use std::any::type_name;
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impl TryFrom<Response> for DerivationResponse {
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type Error = Downcast;
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fn try_from(value: Response) -> Result<Self, Self::Error> {
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#[allow(irrefutable_let_patterns)]
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if let Response::Derivation(response) = value {
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Ok(response)
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} else {
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Err(Downcast(type_name::<Self>()))
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}
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}
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}
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