mirror of
https://mau.dev/maunium/synapse.git
synced 2024-05-20 04:23:44 +02:00
09f0957b36
This adds functions to transform a Twisted request to the
`http::Request`, and then to send back an `http::Response` through it.
It also imports the SynapseError exception so that we can throw that
from Rust code directly
Example usage of this would be:
```rust
use crate::http::{http_request_from_twisted, http_response_to_twisted, HeaderMapPyExt};
fn handler(twisted_request: &PyAny) -> PyResult<()> {
let request = http_request_from_twisted(twisted_request)?;
let ua: headers::UserAgent = request.headers().typed_get_required()?;
if whatever {
return Err((crate::errors::SynapseError::new(
StatusCode::UNAUTHORIZED,
"Whatever".to_owned
"M_UNAUTHORIZED",
None,
None,
)));
}
let response = Response::new("hello".as_bytes());
http_response_to_twisted(twisted_request, response)?;
Ok(())
}
```
61 lines
1.9 KiB
Rust
61 lines
1.9 KiB
Rust
/*
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* This file is licensed under the Affero General Public License (AGPL) version 3.
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*
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* Copyright (C) 2024 New Vector, Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* See the GNU Affero General Public License for more details:
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* <https://www.gnu.org/licenses/agpl-3.0.html>.
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*/
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#![allow(clippy::new_ret_no_self)]
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use std::collections::HashMap;
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use http::{HeaderMap, StatusCode};
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use pyo3::{exceptions::PyValueError, import_exception};
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import_exception!(synapse.api.errors, SynapseError);
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impl SynapseError {
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pub fn new(
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code: StatusCode,
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message: String,
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errcode: &'static str,
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additional_fields: Option<HashMap<String, String>>,
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headers: Option<HeaderMap>,
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) -> pyo3::PyErr {
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// Transform the HeaderMap into a HashMap<String, String>
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let headers = if let Some(headers) = headers {
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let mut map = HashMap::with_capacity(headers.len());
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for (key, value) in headers.iter() {
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let Ok(value) = value.to_str() else {
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// This should never happen, but we don't want to panic in case it does
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return PyValueError::new_err(
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"Could not construct SynapseError: header value is not valid ASCII",
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);
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};
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map.insert(key.as_str().to_owned(), value.to_owned());
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}
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Some(map)
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} else {
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None
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};
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SynapseError::new_err((code.as_u16(), message, errcode, additional_fields, headers))
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}
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}
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import_exception!(synapse.api.errors, NotFoundError);
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impl NotFoundError {
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pub fn new() -> pyo3::PyErr {
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NotFoundError::new_err(())
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}
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}
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