mirror of
https://github.com/fafhrd91/actix-web
synced 2024-11-25 00:43:00 +01:00
131 lines
3.9 KiB
Rust
131 lines
3.9 KiB
Rust
use std::io;
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use derive_more::{Display, From};
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use trust_dns_resolver::error::ResolveError;
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#[cfg(feature = "ssl")]
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use openssl::ssl::{Error as SslError, HandshakeError};
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use crate::error::{Error, ParseError, ResponseError};
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use crate::http::Error as HttpError;
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use crate::response::Response;
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/// A set of errors that can occur while connecting to an HTTP host
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#[derive(Debug, Display, From)]
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pub enum ConnectError {
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/// SSL feature is not enabled
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#[display(fmt = "SSL is not supported")]
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SslIsNotSupported,
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/// SSL error
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#[cfg(feature = "ssl")]
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#[display(fmt = "{}", _0)]
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SslError(SslError),
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/// Failed to resolve the hostname
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#[display(fmt = "Failed resolving hostname: {}", _0)]
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Resolver(ResolveError),
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/// No dns records
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#[display(fmt = "No dns records found for the input")]
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NoRecords,
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/// Http2 error
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#[display(fmt = "{}", _0)]
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H2(h2::Error),
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/// Connecting took too long
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#[display(fmt = "Timeout out while establishing connection")]
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Timeout,
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/// Connector has been disconnected
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#[display(fmt = "Internal error: connector has been disconnected")]
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Disconnected,
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/// Unresolved host name
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#[display(fmt = "Connector received `Connect` method with unresolved host")]
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Unresolverd,
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/// Connection io error
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#[display(fmt = "{}", _0)]
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Io(io::Error),
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}
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impl From<actix_connect::ConnectError> for ConnectError {
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fn from(err: actix_connect::ConnectError) -> ConnectError {
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match err {
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actix_connect::ConnectError::Resolver(e) => ConnectError::Resolver(e),
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actix_connect::ConnectError::NoRecords => ConnectError::NoRecords,
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actix_connect::ConnectError::InvalidInput => panic!(),
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actix_connect::ConnectError::Unresolverd => ConnectError::Unresolverd,
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actix_connect::ConnectError::Io(e) => ConnectError::Io(e),
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}
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}
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}
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#[cfg(feature = "ssl")]
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impl<T> From<HandshakeError<T>> for ConnectError {
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fn from(err: HandshakeError<T>) -> ConnectError {
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match err {
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HandshakeError::SetupFailure(stack) => SslError::from(stack).into(),
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HandshakeError::Failure(stream) => stream.into_error().into(),
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HandshakeError::WouldBlock(stream) => stream.into_error().into(),
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}
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}
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}
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#[derive(Debug, Display, From)]
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pub enum InvalidUrl {
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#[display(fmt = "Missing url scheme")]
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MissingScheme,
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#[display(fmt = "Unknown url scheme")]
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UnknownScheme,
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#[display(fmt = "Missing host name")]
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MissingHost,
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#[display(fmt = "Url parse error: {}", _0)]
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HttpError(http::Error),
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}
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/// A set of errors that can occur during request sending and response reading
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#[derive(Debug, Display, From)]
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pub enum SendRequestError {
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/// Invalid URL
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#[display(fmt = "Invalid URL: {}", _0)]
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Url(InvalidUrl),
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/// Failed to connect to host
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#[display(fmt = "Failed to connect to host: {}", _0)]
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Connect(ConnectError),
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/// Error sending request
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Send(io::Error),
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/// Error parsing response
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Response(ParseError),
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/// Http error
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#[display(fmt = "{}", _0)]
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Http(HttpError),
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/// Http2 error
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#[display(fmt = "{}", _0)]
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H2(h2::Error),
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/// Response took too long
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#[display(fmt = "Timeout out while waiting for response")]
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Timeout,
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/// Tunnels are not supported for http2 connection
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#[display(fmt = "Tunnels are not supported for http2 connection")]
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TunnelNotSupported,
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/// Error sending request body
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Body(Error),
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}
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/// Convert `SendRequestError` to a server `Response`
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impl ResponseError for SendRequestError {
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fn error_response(&self) -> Response {
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match *self {
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SendRequestError::Connect(ConnectError::Timeout) => {
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Response::GatewayTimeout()
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}
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SendRequestError::Connect(_) => Response::BadGateway(),
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_ => Response::InternalServerError(),
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}
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.into()
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}
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}
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