amazon_sigv4_kit/
lib.rs

1use std::{
2    error, fmt,
3    time::{Duration, SystemTime},
4};
5
6use aws_sigv4::{
7    http_request::{
8        sign, Error as AwsSigv4HttpRequestSignError, SignableRequest, SigningParams,
9        SigningSettings,
10    },
11    signing_params::BuildError as AwsSigv4SigningParamsBuildError,
12};
13use http::Request;
14
15//
16pub fn sign_http_request<SSED, SRED>(
17    mut request: Request<Vec<u8>>,
18    access_key_id: &str,
19    secret_access_key: &str,
20    region: &str,
21    service_name: &str,
22    mut signing_settings_editor: SSED,
23    mut signing_params_editor: SRED,
24) -> Result<Request<Vec<u8>>, SignHttpRequestError>
25where
26    SSED: FnMut(SigningSettings) -> SigningSettings + Send,
27    SRED: FnMut(SigningParams) -> SigningParams + Send,
28{
29    let mut signing_settings = SigningSettings::default();
30    signing_settings.expires_in = Some(Duration::from_secs(60 * 10));
31    let signing_settings = signing_settings_editor(signing_settings);
32
33    let signing_params = SigningParams::builder()
34        .access_key(access_key_id)
35        .secret_key(secret_access_key)
36        .region(region)
37        .service_name(service_name)
38        .time(SystemTime::now())
39        .settings(signing_settings)
40        .build()
41        .map_err(SignHttpRequestError::MakeSigningParamsFailed)?;
42    let signing_params = signing_params_editor(signing_params);
43
44    let signable_request = SignableRequest::from(&request);
45    let (signing_instructions, _signature) = sign(signable_request, &signing_params)
46        .map_err(SignHttpRequestError::SignFailed)?
47        .into_parts();
48
49    signing_instructions.apply_to_request(&mut request);
50
51    Ok(request)
52}
53
54//
55#[derive(Debug)]
56pub enum SignHttpRequestError {
57    MakeSigningParamsFailed(AwsSigv4SigningParamsBuildError),
58    SignFailed(AwsSigv4HttpRequestSignError),
59}
60impl fmt::Display for SignHttpRequestError {
61    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
62        write!(f, "{:?}", self)
63    }
64}
65impl error::Error for SignHttpRequestError {}
amazon_sigv4_kit/lib.rs

amazon_sigv4_kit/
lib.rs
