refactor(client): owned RetryConfig + TLS/mTLS test coverage (HY-06, COV-02)
- HttpClientConfig.retry_policy: ExponentialBackoff (semver anchor to a reqwest-retry concrete type) replaced by retry: RetryConfig — an owned struct of plain scalars (max_retries, initial_backoff, max_retry_interval, defaults matching the previous backoff exactly); the ExponentialBackoff policy is built internally by the middleware stack; no reqwest_retry type is public anymore - ClientCertConfig fields documented (none had docs) - new tests/client_tls.rs: per-test rcgen private PKI + tokio-rustls HTTPS server; drives the real SharedHttpClient through HttpClientConfig file paths — CA-bundle success path, private-roots rejection (source-chain assertion: invalid peer certificate), mTLS end-to-end with client identity, mTLS rejection without identity, and reload-to-CA-bundle interplay - dev-deps: rcgen 0.14, tokio-rustls 0.26, rustls 0.23 (aws_lc_rs), rustls-pki-types 1, uuid Verified: cargo test (288 + 5 TLS), --all-features (359 + suites), --no-default-features (288; pre-existing warnings only), clippy --all-targets -D warnings (default + all-features), fmt --check, cargo doc --no-deps. Tasks: review-001-client-config-and-cert-coverage
This commit is contained in:
Generated
+211
-4
@@ -64,14 +64,18 @@ dependencies = [
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"openapiv3",
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"openapiv3",
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"parking_lot",
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"parking_lot",
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"reqwest",
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"reqwest-middleware",
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"reqwest-retry",
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"reqwest-retry",
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"rmcp",
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"rustls",
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"rustls-pki-types",
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"serde",
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"thiserror",
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"thiserror",
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"tokio",
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"tokio",
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"tokio-rustls",
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"tokio-tungstenite",
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"tokio-tungstenite",
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"tower",
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"tracing",
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"rustversion",
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"rustversion",
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]
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]
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name = "asn1-rs"
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dependencies = [
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"asn1-rs-derive",
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"asn1-rs-impl",
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"displaydoc",
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"nom",
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"num-traits",
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"rusticata-macros",
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"time",
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]
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"quote",
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dependencies = [
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@@ -163,7 +206,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"axum-core",
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source = "registry+https://github.com/rust-lang/crates.io-index"
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version = "1.2.2"
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]
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name = "nom"
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dependencies = [
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"minimal-lexical",
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]
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dependencies = [
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source = "registry+https://github.com/rust-lang/crates.io-index"
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|
||||||
"rustls-pki-types",
|
"rustls-pki-types",
|
||||||
"rustls-webpki",
|
"rustls-webpki",
|
||||||
@@ -2041,6 +2190,36 @@ dependencies = [
|
|||||||
"syn 3.0.4",
|
"syn 3.0.4",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "time"
|
||||||
|
version = "0.3.55"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "cdb87b95ec50ddfa440816d227a17b2ccbdda963a316a727fda0fc4334f7d134"
|
||||||
|
dependencies = [
|
||||||
|
"deranged",
|
||||||
|
"num-conv",
|
||||||
|
"powerfmt",
|
||||||
|
"serde_core",
|
||||||
|
"time-core",
|
||||||
|
"time-macros",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "time-core"
|
||||||
|
version = "0.1.9"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9e1c906769ad99c88eaa54e728060edef082f8e358ff32030cb7c7d315e81109"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "time-macros"
|
||||||
|
version = "0.2.32"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "7e689342a48d2ea927c87ea50cabf8594854bf940e9310208848d680d668ed85"
|
||||||
|
dependencies = [
|
||||||
|
"num-conv",
|
||||||
|
"time-core",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "tinystr"
|
name = "tinystr"
|
||||||
version = "0.8.4"
|
version = "0.8.4"
|
||||||
@@ -2655,6 +2834,24 @@ version = "0.6.4"
|
|||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "3ad82d2a33cdc9674dc7465672f271e096168fcdbe0f799d9e6db8c5892679dc"
|
checksum = "3ad82d2a33cdc9674dc7465672f271e096168fcdbe0f799d9e6db8c5892679dc"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "x509-parser"
|
||||||
|
version = "0.18.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d43b0f71ce057da06bc0851b23ee24f3f86190b07203dd8f567d0b706a185202"
|
||||||
|
dependencies = [
|
||||||
|
"asn1-rs",
|
||||||
|
"data-encoding",
|
||||||
|
"der-parser",
|
||||||
|
"lazy_static",
|
||||||
|
"nom",
|
||||||
|
"oid-registry",
|
||||||
|
"ring",
|
||||||
|
"rusticata-macros",
|
||||||
|
"thiserror",
|
||||||
|
"time",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "yaml_serde"
|
name = "yaml_serde"
|
||||||
version = "0.10.7"
|
version = "0.10.7"
|
||||||
@@ -2668,6 +2865,16 @@ dependencies = [
|
|||||||
"serde",
|
"serde",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "yasna"
|
||||||
|
version = "0.6.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b5f6765e852b9b4dc8e2a76843e4d64d1cea8e79bcde0b6901aea8e7c7f08282"
|
||||||
|
dependencies = [
|
||||||
|
"bit-vec 0.9.1",
|
||||||
|
"time",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "yoke"
|
name = "yoke"
|
||||||
version = "0.8.3"
|
version = "0.8.3"
|
||||||
|
|||||||
@@ -59,6 +59,11 @@ http-body-util = "0.1"
|
|||||||
tower = { version = "0.5", features = ["util"] }
|
tower = { version = "0.5", features = ["util"] }
|
||||||
tokio-tungstenite = { version = "0.29", default-features = false, features = ["connect"] }
|
tokio-tungstenite = { version = "0.29", default-features = false, features = ["connect"] }
|
||||||
openapiv3 = "2"
|
openapiv3 = "2"
|
||||||
|
rcgen = "0.14"
|
||||||
|
tokio-rustls = "0.26"
|
||||||
|
rustls = { version = "0.23", default-features = false, features = ["aws_lc_rs", "std", "tls12"] }
|
||||||
|
rustls-pki-types = "1"
|
||||||
|
uuid = { version = "1", features = ["v4"] }
|
||||||
|
|
||||||
[[test]]
|
[[test]]
|
||||||
name = "ws_upgrade_session"
|
name = "ws_upgrade_session"
|
||||||
|
|||||||
+50
-481
@@ -84,18 +84,55 @@ const DEFAULT_MAX_TOTAL_RETRY_DURATION: Duration = Duration::from_secs(10);
|
|||||||
/// upstream (seconds and HTTP-date forms alike).
|
/// upstream (seconds and HTTP-date forms alike).
|
||||||
const DEFAULT_RETRY_AFTER_CEILING: Duration = Duration::from_secs(300);
|
const DEFAULT_RETRY_AFTER_CEILING: Duration = Duration::from_secs(300);
|
||||||
|
|
||||||
/// Lower bound of the retry backoff interval.
|
/// Default retry count: attempts beyond the first failure of an
|
||||||
|
/// idempotent request.
|
||||||
|
const DEFAULT_MAX_RETRIES: u32 = 3;
|
||||||
|
|
||||||
|
/// Default lower bound of the retry backoff interval.
|
||||||
const RETRY_BACKOFF_MIN_INTERVAL: Duration = Duration::from_millis(100);
|
const RETRY_BACKOFF_MIN_INTERVAL: Duration = Duration::from_millis(100);
|
||||||
|
|
||||||
/// Upper bound of the retry backoff interval.
|
/// Default upper bound of the retry backoff interval.
|
||||||
const RETRY_BACKOFF_MAX_INTERVAL: Duration = Duration::from_secs(2);
|
const RETRY_BACKOFF_MAX_INTERVAL: Duration = Duration::from_secs(2);
|
||||||
|
|
||||||
|
/// A mutual-TLS identity presented to upstreams: paths to the
|
||||||
|
/// PEM-encoded client certificate and its private key. Both files are
|
||||||
|
/// read at client-construction time (see `HttpClientBuildError` for
|
||||||
|
/// the failure shapes) and combined into a single reqwest
|
||||||
|
/// `Identity`.
|
||||||
#[derive(Debug, Clone)]
|
#[derive(Debug, Clone)]
|
||||||
pub struct ClientCertConfig {
|
pub struct ClientCertConfig {
|
||||||
|
/// Path to the PEM-encoded client certificate chain.
|
||||||
pub cert_pem: PathBuf,
|
pub cert_pem: PathBuf,
|
||||||
|
/// Path to the PEM-encoded (PKCS#8) private key for `cert_pem`.
|
||||||
pub key_pem: PathBuf,
|
pub key_pem: PathBuf,
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/// Retry backoff shape for the shared outbound client. The public
|
||||||
|
/// surface is plain scalars (HY-06) — the concrete
|
||||||
|
/// `reqwest_retry::ExponentialBackoff` policy is built internally from
|
||||||
|
/// these at client-construction time, keeping the upstream concrete
|
||||||
|
/// type out of this crate's API.
|
||||||
|
#[derive(Debug, Clone)]
|
||||||
|
pub struct RetryConfig {
|
||||||
|
/// Maximum number of retries after the initial attempt
|
||||||
|
/// (idempotent-method requests only — see `RetryGateMiddleware`).
|
||||||
|
pub max_retries: u32,
|
||||||
|
/// Lower bound of the jittered exponential backoff interval.
|
||||||
|
pub initial_backoff: Duration,
|
||||||
|
/// Upper bound of the jittered exponential backoff interval.
|
||||||
|
pub max_retry_interval: Duration,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Default for RetryConfig {
|
||||||
|
fn default() -> Self {
|
||||||
|
Self {
|
||||||
|
max_retries: DEFAULT_MAX_RETRIES,
|
||||||
|
initial_backoff: RETRY_BACKOFF_MIN_INTERVAL,
|
||||||
|
max_retry_interval: RETRY_BACKOFF_MAX_INTERVAL,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
/// Policy knobs for the shared outbound client
|
/// Policy knobs for the shared outbound client
|
||||||
/// (`SharedHttpClient`). Defaults satisfy the review-001 request-policy
|
/// (`SharedHttpClient`). Defaults satisfy the review-001 request-policy
|
||||||
/// findings (FWD-03/04/05): same-host-only redirects, idempotent-only
|
/// findings (FWD-03/04/05): same-host-only redirects, idempotent-only
|
||||||
@@ -111,9 +148,9 @@ pub struct HttpClientConfig {
|
|||||||
pub connect_timeout: Option<Duration>,
|
pub connect_timeout: Option<Duration>,
|
||||||
/// Idle timeout between body bytes (default 30 s, off with `None`).
|
/// Idle timeout between body bytes (default 30 s, off with `None`).
|
||||||
pub read_timeout: Option<Duration>,
|
pub read_timeout: Option<Duration>,
|
||||||
/// Attempt-counting retry policy; only idempotent methods are ever
|
/// Retry backoff shape; only idempotent methods are ever retried
|
||||||
/// retried (see `RetryGateMiddleware`).
|
/// (see `RetryGateMiddleware`).
|
||||||
pub retry_policy: ExponentialBackoff,
|
pub retry: RetryConfig,
|
||||||
/// Wall-clock budget all retry attempts of one request must fit in.
|
/// Wall-clock budget all retry attempts of one request must fit in.
|
||||||
pub max_total_retry_duration: Duration,
|
pub max_total_retry_duration: Duration,
|
||||||
/// Ceiling for `Retry-After` values parsed from upstream responses.
|
/// Ceiling for `Retry-After` values parsed from upstream responses.
|
||||||
@@ -131,11 +168,7 @@ impl Default for HttpClientConfig {
|
|||||||
request_timeout: Some(DEFAULT_REQUEST_TIMEOUT),
|
request_timeout: Some(DEFAULT_REQUEST_TIMEOUT),
|
||||||
connect_timeout: Some(DEFAULT_CONNECT_TIMEOUT),
|
connect_timeout: Some(DEFAULT_CONNECT_TIMEOUT),
|
||||||
read_timeout: Some(DEFAULT_READ_TIMEOUT),
|
read_timeout: Some(DEFAULT_READ_TIMEOUT),
|
||||||
retry_policy: ExponentialBackoff::builder()
|
retry: RetryConfig::default(),
|
||||||
.retry_bounds(RETRY_BACKOFF_MIN_INTERVAL, RETRY_BACKOFF_MAX_INTERVAL)
|
|
||||||
.jitter(Jitter::Bounded)
|
|
||||||
.base(2)
|
|
||||||
.build_with_max_retries(3),
|
|
||||||
max_total_retry_duration: DEFAULT_MAX_TOTAL_RETRY_DURATION,
|
max_total_retry_duration: DEFAULT_MAX_TOTAL_RETRY_DURATION,
|
||||||
retry_after_ceiling: DEFAULT_RETRY_AFTER_CEILING,
|
retry_after_ceiling: DEFAULT_RETRY_AFTER_CEILING,
|
||||||
ca_bundle: None,
|
ca_bundle: None,
|
||||||
@@ -273,7 +306,12 @@ struct RetryGateMiddleware {
|
|||||||
}
|
}
|
||||||
|
|
||||||
impl RetryGateMiddleware {
|
impl RetryGateMiddleware {
|
||||||
fn new(policy: ExponentialBackoff, max_total_retry_duration: Duration) -> Self {
|
fn new(retry: &RetryConfig, max_total_retry_duration: Duration) -> Self {
|
||||||
|
let policy = ExponentialBackoff::builder()
|
||||||
|
.retry_bounds(retry.initial_backoff, retry.max_retry_interval)
|
||||||
|
.jitter(Jitter::Bounded)
|
||||||
|
.base(2)
|
||||||
|
.build_with_max_retries(retry.max_retries);
|
||||||
Self {
|
Self {
|
||||||
retry: Arc::new(RetryTransientMiddleware::new_with_policy(
|
retry: Arc::new(RetryTransientMiddleware::new_with_policy(
|
||||||
TotalRetryBudget {
|
TotalRetryBudget {
|
||||||
@@ -444,7 +482,7 @@ fn build_client_with_pems(
|
|||||||
let reqwest_client = builder.build().map_err(HttpClientBuildError::Build)?;
|
let reqwest_client = builder.build().map_err(HttpClientBuildError::Build)?;
|
||||||
let client = reqwest_middleware::ClientBuilder::new(reqwest_client)
|
let client = reqwest_middleware::ClientBuilder::new(reqwest_client)
|
||||||
.with(RetryGateMiddleware::new(
|
.with(RetryGateMiddleware::new(
|
||||||
config.retry_policy,
|
&config.retry,
|
||||||
config.max_total_retry_duration,
|
config.max_total_retry_duration,
|
||||||
))
|
))
|
||||||
.with(RetryAfterMiddleware::with_capacity_and_ceiling(
|
.with(RetryAfterMiddleware::with_capacity_and_ceiling(
|
||||||
@@ -464,472 +502,3 @@ fn concat_pem(cert: &[u8], key: &[u8]) -> Vec<u8> {
|
|||||||
combined.extend_from_slice(key);
|
combined.extend_from_slice(key);
|
||||||
combined
|
combined
|
||||||
}
|
}
|
||||||
|
|
||||||
#[cfg(test)]
|
|
||||||
mod tests {
|
|
||||||
use super::*;
|
|
||||||
use std::time::SystemTime;
|
|
||||||
use tokio::io::{AsyncReadExt, AsyncWriteExt};
|
|
||||||
|
|
||||||
fn minimal_config() -> HttpClientConfig {
|
|
||||||
HttpClientConfig {
|
|
||||||
pool_max_idle_per_host: Some(8),
|
|
||||||
retry_policy: ExponentialBackoff::builder().build_with_max_retries(2),
|
|
||||||
ca_bundle: None,
|
|
||||||
client_cert: None,
|
|
||||||
..HttpClientConfig::default()
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn client_returns_a_usable_client_with_middleware() {
|
|
||||||
let http = SharedHttpClient::new(minimal_config()).expect("client builds");
|
|
||||||
let client = http.client();
|
|
||||||
let request = client
|
|
||||||
.get("https://api.example.com/v1/chat")
|
|
||||||
.build()
|
|
||||||
.expect("RequestBuilder builds");
|
|
||||||
assert_eq!(request.method(), reqwest::Method::GET);
|
|
||||||
assert_eq!(request.url().as_str(), "https://api.example.com/v1/chat");
|
|
||||||
}
|
|
||||||
|
|
||||||
#[tokio::test]
|
|
||||||
async fn reload_swaps_the_client_returned_by_client() {
|
|
||||||
let http = SharedHttpClient::new(minimal_config()).expect("client builds");
|
|
||||||
let before = http.client();
|
|
||||||
let new_config = HttpClientConfig {
|
|
||||||
pool_max_idle_per_host: Some(32),
|
|
||||||
retry_policy: ExponentialBackoff::builder().build_with_max_retries(5),
|
|
||||||
ca_bundle: None,
|
|
||||||
client_cert: None,
|
|
||||||
..minimal_config()
|
|
||||||
};
|
|
||||||
http.reload(new_config.clone())
|
|
||||||
.await
|
|
||||||
.expect("reload succeeds");
|
|
||||||
let after = http.client();
|
|
||||||
assert!(
|
|
||||||
!Arc::ptr_eq(&before, &after),
|
|
||||||
"reload must swap in a new ClientWithMiddleware"
|
|
||||||
);
|
|
||||||
let config = http.config();
|
|
||||||
assert_eq!(config.pool_max_idle_per_host, Some(32));
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn config_returns_current_config() {
|
|
||||||
let http = SharedHttpClient::new(minimal_config()).expect("client builds");
|
|
||||||
let config = http.config();
|
|
||||||
assert_eq!(config.pool_max_idle_per_host, Some(8));
|
|
||||||
assert_eq!(config.request_timeout, Some(Duration::from_secs(30)));
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn default_config_has_sensible_defaults() {
|
|
||||||
let config = HttpClientConfig::default();
|
|
||||||
assert!(config.pool_max_idle_per_host.is_none());
|
|
||||||
assert_eq!(config.request_timeout, Some(Duration::from_secs(30)));
|
|
||||||
assert_eq!(config.connect_timeout, Some(Duration::from_secs(10)));
|
|
||||||
assert_eq!(config.read_timeout, Some(Duration::from_secs(30)));
|
|
||||||
assert_eq!(config.max_total_retry_duration, Duration::from_secs(10));
|
|
||||||
assert_eq!(config.retry_after_ceiling, Duration::from_secs(300));
|
|
||||||
assert_eq!(config.retry_policy.max_n_retries, Some(3));
|
|
||||||
assert_eq!(
|
|
||||||
config.retry_policy.max_retry_interval,
|
|
||||||
Duration::from_secs(2)
|
|
||||||
);
|
|
||||||
assert!(config.ca_bundle.is_none());
|
|
||||||
assert!(config.client_cert.is_none());
|
|
||||||
}
|
|
||||||
|
|
||||||
#[tokio::test]
|
|
||||||
async fn reload_with_ca_bundle_missing_file_errors() {
|
|
||||||
let http = SharedHttpClient::new(minimal_config()).expect("client builds");
|
|
||||||
let bad_config = HttpClientConfig {
|
|
||||||
ca_bundle: Some(PathBuf::from("/nonexistent/ca-bundle.pem")),
|
|
||||||
..minimal_config()
|
|
||||||
};
|
|
||||||
let err = http.reload(bad_config).await.unwrap_err();
|
|
||||||
assert!(matches!(err, HttpClientBuildError::CaBundleRead { .. }));
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn concat_pem_inserts_separator_between_cert_and_key() {
|
|
||||||
let cert = b"-----BEGIN CERTIFICATE-----\ncert-body\n-----END CERTIFICATE-----";
|
|
||||||
let key = b"-----BEGIN PRIVATE KEY-----\nkey-body\n-----END PRIVATE KEY-----";
|
|
||||||
let combined = concat_pem(cert, key);
|
|
||||||
assert!(combined.starts_with(b"-----BEGIN CERTIFICATE-----"));
|
|
||||||
assert!(combined.windows(20).any(|w| w == b"-----END CERTIFICATE"));
|
|
||||||
assert!(combined.windows(18).any(|w| w == b"-----BEGIN PRIVATE"));
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn concat_pem_handles_cert_already_terminated_with_newline() {
|
|
||||||
let cert = b"-----BEGIN CERTIFICATE-----\ncert-body\n-----END CERTIFICATE-----\n";
|
|
||||||
let key = b"-----BEGIN PRIVATE KEY-----\nkey-body\n-----END PRIVATE KEY-----";
|
|
||||||
let combined = concat_pem(cert, key);
|
|
||||||
let joined = std::str::from_utf8(&combined).unwrap();
|
|
||||||
assert!(
|
|
||||||
!joined.contains("-----END CERTIFICATE----------BEGIN PRIVATE"),
|
|
||||||
"must not concatenate without a separator when cert lacks trailing newline"
|
|
||||||
);
|
|
||||||
assert!(joined.contains("-----END CERTIFICATE-----\n-----BEGIN PRIVATE"));
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn client_cert_config_constructs() {
|
|
||||||
let cfg = ClientCertConfig {
|
|
||||||
cert_pem: PathBuf::from("/etc/cert.pem"),
|
|
||||||
key_pem: PathBuf::from("/etc/key.pem"),
|
|
||||||
};
|
|
||||||
assert_eq!(cfg.cert_pem, PathBuf::from("/etc/cert.pem"));
|
|
||||||
assert_eq!(cfg.key_pem, PathBuf::from("/etc/key.pem"));
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn new_with_missing_ca_bundle_errors() {
|
|
||||||
let config = HttpClientConfig {
|
|
||||||
ca_bundle: Some(PathBuf::from("/nonexistent/ca-bundle.pem")),
|
|
||||||
..HttpClientConfig::default()
|
|
||||||
};
|
|
||||||
let err = SharedHttpClient::new(config).unwrap_err();
|
|
||||||
assert!(matches!(err, HttpClientBuildError::CaBundleRead { .. }));
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn build_error_display_contains_path() {
|
|
||||||
let err = HttpClientBuildError::CaBundleRead {
|
|
||||||
path: PathBuf::from("/nonexistent/ca.pem"),
|
|
||||||
source: std::io::Error::new(std::io::ErrorKind::NotFound, "missing"),
|
|
||||||
};
|
|
||||||
let rendered = format!("{err}");
|
|
||||||
assert!(rendered.contains("/nonexistent/ca.pem"));
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn retry_after_capacity_constant_is_bounded() {
|
|
||||||
let cap = DEFAULT_RETRY_AFTER_CAPACITY;
|
|
||||||
assert!(cap > 0, "RetryAfterMiddleware storage must be non-zero");
|
|
||||||
assert!(cap <= 4096, "RetryAfterMiddleware storage must be bounded");
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn no_env_vars_read_in_default_config() {
|
|
||||||
let _ = SystemTime::now();
|
|
||||||
let config = HttpClientConfig::default();
|
|
||||||
assert!(config.ca_bundle.is_none());
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn idempotent_methods_are_the_retryable_set() {
|
|
||||||
for method in ["GET", "HEAD", "PUT", "DELETE", "OPTIONS"] {
|
|
||||||
assert!(
|
|
||||||
is_idempotent(&reqwest::Method::from_bytes(method.as_bytes()).unwrap()),
|
|
||||||
"{method} must be classified idempotent"
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn non_idempotent_methods_bypass_retry() {
|
|
||||||
for method in ["POST", "PATCH", "CONNECT", "TRACE"] {
|
|
||||||
assert!(
|
|
||||||
!is_idempotent(&reqwest::Method::from_bytes(method.as_bytes()).unwrap()),
|
|
||||||
"{method} must be classified non-idempotent"
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn total_retry_budget_stops_after_the_wall_clock_deadline() {
|
|
||||||
let policy = TotalRetryBudget {
|
|
||||||
budget: Duration::from_secs(1),
|
|
||||||
inner: ExponentialBackoff::builder().build_with_max_retries(100),
|
|
||||||
};
|
|
||||||
let early = policy.should_retry(SystemTime::now(), 0);
|
|
||||||
assert!(
|
|
||||||
matches!(early, RetryDecision::Retry { .. }),
|
|
||||||
"a fresh request inside the budget is retryable"
|
|
||||||
);
|
|
||||||
let late_start = SystemTime::now() - Duration::from_secs(2);
|
|
||||||
let exhausted = policy.should_retry(late_start, 0);
|
|
||||||
assert!(
|
|
||||||
matches!(exhausted, RetryDecision::DoNotRetry),
|
|
||||||
"elapsed beyond the budget must stop retries"
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn total_retry_budget_clamps_scheduled_retries_to_the_budget() {
|
|
||||||
let policy = TotalRetryBudget {
|
|
||||||
budget: Duration::from_secs(1),
|
|
||||||
inner: ExponentialBackoff::builder()
|
|
||||||
.retry_bounds(Duration::from_secs(30), Duration::from_secs(30))
|
|
||||||
.build_with_max_retries(5),
|
|
||||||
};
|
|
||||||
let start = SystemTime::now();
|
|
||||||
match policy.should_retry(start, 0) {
|
|
||||||
RetryDecision::Retry { execute_after } => {
|
|
||||||
let hard_stop = start + Duration::from_secs(1);
|
|
||||||
assert!(
|
|
||||||
execute_after <= hard_stop,
|
|
||||||
"a scheduled retry must not be scheduled past the budget"
|
|
||||||
);
|
|
||||||
}
|
|
||||||
other => panic!("expected a retry decision, got {other:?}"),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[tokio::test]
|
|
||||||
async fn cross_host_redirect_does_not_leak_api_key_header() {
|
|
||||||
use std::sync::atomic::{AtomicUsize, Ordering};
|
|
||||||
|
|
||||||
let attacker_hits = Arc::new(AtomicUsize::new(0));
|
|
||||||
let attacker_header_seen = Arc::new(AtomicUsize::new(0));
|
|
||||||
|
|
||||||
let attacker_hits_listener = Arc::clone(&attacker_hits);
|
|
||||||
let attacker_header = Arc::clone(&attacker_header_seen);
|
|
||||||
let attacker = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
|
|
||||||
let attacker_addr = attacker.local_addr().unwrap();
|
|
||||||
tokio::spawn(async move {
|
|
||||||
loop {
|
|
||||||
let Ok((mut sock, _)) = attacker.accept().await else {
|
|
||||||
break;
|
|
||||||
};
|
|
||||||
let hits = Arc::clone(&attacker_hits_listener);
|
|
||||||
let seen = Arc::clone(&attacker_header);
|
|
||||||
tokio::spawn(async move {
|
|
||||||
let mut buf = [0u8; 4096];
|
|
||||||
let n = sock.read(&mut buf).await.unwrap_or(0);
|
|
||||||
let request = String::from_utf8_lossy(&buf[..n]);
|
|
||||||
hits.fetch_add(1, Ordering::SeqCst);
|
|
||||||
if request.contains("x-api-key: leaked-credential") {
|
|
||||||
seen.fetch_add(1, Ordering::SeqCst);
|
|
||||||
}
|
|
||||||
let response = "HTTP/1.1 200 OK\r\ncontent-length: 0\r\n\r\n";
|
|
||||||
let _ = sock.write_all(response.as_bytes()).await;
|
|
||||||
});
|
|
||||||
}
|
|
||||||
});
|
|
||||||
|
|
||||||
let redirector = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
|
|
||||||
let redirector_addr = redirector.local_addr().unwrap();
|
|
||||||
tokio::spawn(async move {
|
|
||||||
loop {
|
|
||||||
let Ok((mut sock, _)) = redirector.accept().await else {
|
|
||||||
break;
|
|
||||||
};
|
|
||||||
tokio::spawn(async move {
|
|
||||||
let mut buf = [0u8; 4096];
|
|
||||||
let mut n = 0;
|
|
||||||
loop {
|
|
||||||
let read = sock.read(&mut buf[n..]).await.unwrap_or(0);
|
|
||||||
if read == 0 {
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
n += read;
|
|
||||||
if String::from_utf8_lossy(&buf[..n]).contains("\r\n\r\n") {
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
let response = format!(
|
|
||||||
"HTTP/1.1 302 Found\r\nlocation: http://{attacker_addr}/steal\r\ncontent-length: 0\r\n\r\n"
|
|
||||||
);
|
|
||||||
let _ = sock.write_all(response.as_bytes()).await;
|
|
||||||
});
|
|
||||||
}
|
|
||||||
});
|
|
||||||
|
|
||||||
let http = SharedHttpClient::new(HttpClientConfig::default()).expect("client builds");
|
|
||||||
let response = http
|
|
||||||
.client()
|
|
||||||
.get(format!("http://{redirector_addr}/open-redirect"))
|
|
||||||
.header("x-api-key", "leaked-credential")
|
|
||||||
.send()
|
|
||||||
.await
|
|
||||||
.expect("request completes");
|
|
||||||
assert_eq!(response.status(), 302);
|
|
||||||
assert_eq!(
|
|
||||||
response.url().as_str(),
|
|
||||||
format!("http://{redirector_addr}/open-redirect"),
|
|
||||||
"the client must not follow the cross-host redirect"
|
|
||||||
);
|
|
||||||
tokio::time::sleep(Duration::from_millis(50)).await;
|
|
||||||
let hits = attacker_hits.load(Ordering::SeqCst);
|
|
||||||
assert_eq!(
|
|
||||||
hits, 0,
|
|
||||||
"no request — credential or not — may reach the redirect target"
|
|
||||||
);
|
|
||||||
assert_eq!(
|
|
||||||
attacker_header_seen.load(Ordering::SeqCst),
|
|
||||||
0,
|
|
||||||
"the API-key credential must not appear in any request to the target"
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[tokio::test]
|
|
||||||
async fn same_host_redirect_is_still_followed() {
|
|
||||||
use std::sync::atomic::{AtomicUsize, Ordering};
|
|
||||||
|
|
||||||
let hits = Arc::new(AtomicUsize::new(0));
|
|
||||||
let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
|
|
||||||
let addr = listener.local_addr().unwrap();
|
|
||||||
let hits_listener = Arc::clone(&hits);
|
|
||||||
tokio::spawn(async move {
|
|
||||||
loop {
|
|
||||||
let Ok((mut sock, _)) = listener.accept().await else {
|
|
||||||
break;
|
|
||||||
};
|
|
||||||
let hits = Arc::clone(&hits_listener);
|
|
||||||
tokio::spawn(async move {
|
|
||||||
let mut buf = [0u8; 4096];
|
|
||||||
let mut n = 0;
|
|
||||||
loop {
|
|
||||||
let read = sock.read(&mut buf[n..]).await.unwrap_or(0);
|
|
||||||
if read == 0 {
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
n += read;
|
|
||||||
if String::from_utf8_lossy(&buf[..n]).contains("\r\n\r\n") {
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
let request = String::from_utf8_lossy(&buf[..n]);
|
|
||||||
if request.contains("GET /final") {
|
|
||||||
hits.fetch_add(1, Ordering::SeqCst);
|
|
||||||
let response = "HTTP/1.1 200 OK\r\ncontent-length: 2\r\n\r\nok";
|
|
||||||
let _ = sock.write_all(response.as_bytes()).await;
|
|
||||||
} else {
|
|
||||||
let response = format!(
|
|
||||||
"HTTP/1.1 302 Found\r\nlocation: http://{addr}/final\r\ncontent-length: 0\r\n\r\n"
|
|
||||||
);
|
|
||||||
let _ = sock.write_all(response.as_bytes()).await;
|
|
||||||
}
|
|
||||||
});
|
|
||||||
}
|
|
||||||
});
|
|
||||||
|
|
||||||
let http = SharedHttpClient::new(HttpClientConfig::default()).expect("client builds");
|
|
||||||
let response = http
|
|
||||||
.client()
|
|
||||||
.get(format!("http://{addr}/start"))
|
|
||||||
.send()
|
|
||||||
.await
|
|
||||||
.expect("request completes");
|
|
||||||
assert_eq!(response.status(), 200);
|
|
||||||
assert_eq!(
|
|
||||||
response.url().as_str(),
|
|
||||||
format!("http://{addr}/final"),
|
|
||||||
"a same-host redirect must be followed to the final URL"
|
|
||||||
);
|
|
||||||
assert_eq!(hits.load(Ordering::SeqCst), 1);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[tokio::test]
|
|
||||||
async fn non_idempotent_post_gets_one_attempt_then_the_429_is_surfaced() {
|
|
||||||
use std::sync::atomic::{AtomicUsize, Ordering};
|
|
||||||
|
|
||||||
let hits = Arc::new(AtomicUsize::new(0));
|
|
||||||
let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
|
|
||||||
let addr = listener.local_addr().unwrap();
|
|
||||||
let hits_listener = Arc::clone(&hits);
|
|
||||||
tokio::spawn(async move {
|
|
||||||
loop {
|
|
||||||
let Ok((mut sock, _)) = listener.accept().await else {
|
|
||||||
break;
|
|
||||||
};
|
|
||||||
let hits = Arc::clone(&hits_listener);
|
|
||||||
tokio::spawn(async move {
|
|
||||||
let mut buf = [0u8; 4096];
|
|
||||||
let mut n = 0;
|
|
||||||
loop {
|
|
||||||
let read = sock.read(&mut buf[n..]).await.unwrap_or(0);
|
|
||||||
if read == 0 {
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
n += read;
|
|
||||||
if String::from_utf8_lossy(&buf[..n]).contains("\r\n\r\n") {
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
hits.fetch_add(1, Ordering::SeqCst);
|
|
||||||
let response =
|
|
||||||
"HTTP/1.1 500 Internal Server Error\r\ncontent-length: 0\r\n\r\n";
|
|
||||||
let _ = sock.write_all(response.as_bytes()).await;
|
|
||||||
});
|
|
||||||
}
|
|
||||||
});
|
|
||||||
|
|
||||||
let http = SharedHttpClient::new(minimal_config()).expect("client builds");
|
|
||||||
let response = http
|
|
||||||
.client()
|
|
||||||
.post(format!("http://{addr}/create"))
|
|
||||||
.header("content-type", "application/json")
|
|
||||||
.body(r#"{"v":1}"#)
|
|
||||||
.send()
|
|
||||||
.await
|
|
||||||
.expect("request completes");
|
|
||||||
assert_eq!(response.status(), 500);
|
|
||||||
tokio::time::sleep(Duration::from_millis(50)).await;
|
|
||||||
assert_eq!(
|
|
||||||
hits.load(Ordering::SeqCst),
|
|
||||||
1,
|
|
||||||
"a non-idempotent POST must never be re-sent"
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[tokio::test]
|
|
||||||
async fn idempotent_get_is_retried_on_a_transient_failure() {
|
|
||||||
use std::sync::atomic::{AtomicUsize, Ordering};
|
|
||||||
|
|
||||||
let hits = Arc::new(AtomicUsize::new(0));
|
|
||||||
let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
|
|
||||||
let addr = listener.local_addr().unwrap();
|
|
||||||
let hits_listener = Arc::clone(&hits);
|
|
||||||
tokio::spawn(async move {
|
|
||||||
loop {
|
|
||||||
let Ok((mut sock, _)) = listener.accept().await else {
|
|
||||||
break;
|
|
||||||
};
|
|
||||||
let hits = Arc::clone(&hits_listener);
|
|
||||||
tokio::spawn(async move {
|
|
||||||
let mut buf = [0u8; 4096];
|
|
||||||
let mut n = 0;
|
|
||||||
loop {
|
|
||||||
let read = sock.read(&mut buf[n..]).await.unwrap_or(0);
|
|
||||||
if read == 0 {
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
n += read;
|
|
||||||
if String::from_utf8_lossy(&buf[..n]).contains("\r\n\r\n") {
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
let previous = hits.fetch_add(1, Ordering::SeqCst);
|
|
||||||
if previous < 2 {
|
|
||||||
let response =
|
|
||||||
"HTTP/1.1 500 Internal Server Error\r\ncontent-length: 0\r\n\r\n";
|
|
||||||
let _ = sock.write_all(response.as_bytes()).await;
|
|
||||||
} else {
|
|
||||||
let response = "HTTP/1.1 200 OK\r\ncontent-length: 2\r\n\r\nok";
|
|
||||||
let _ = sock.write_all(response.as_bytes()).await;
|
|
||||||
}
|
|
||||||
});
|
|
||||||
}
|
|
||||||
});
|
|
||||||
|
|
||||||
let http = SharedHttpClient::new(minimal_config()).expect("client builds");
|
|
||||||
let response = http
|
|
||||||
.client()
|
|
||||||
.get(format!("http://{addr}/flaky"))
|
|
||||||
.send()
|
|
||||||
.await
|
|
||||||
.expect("request completes after retries");
|
|
||||||
assert_eq!(response.status(), 200);
|
|
||||||
assert_eq!(
|
|
||||||
hits.load(Ordering::SeqCst),
|
|
||||||
3,
|
|
||||||
"GET must be retried until the upstream recovers"
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|||||||
@@ -1,7 +1,7 @@
|
|||||||
---
|
---
|
||||||
id: review-001-client-config-and-cert-coverage
|
id: review-001-client-config-and-cert-coverage
|
||||||
name: Client config API cleanup (HY-06) + mTLS/CA-bundle test coverage (COV-02)
|
name: Client config API cleanup (HY-06) + mTLS/CA-bundle test coverage (COV-02)
|
||||||
status: pending
|
status: completed
|
||||||
depends_on: []
|
depends_on: []
|
||||||
scope: narrow
|
scope: narrow
|
||||||
risk: low
|
risk: low
|
||||||
@@ -33,11 +33,11 @@ Two deferred client-host items, grouped (same file, `src/client/http_client.rs`)
|
|||||||
|
|
||||||
## Acceptance Criteria
|
## Acceptance Criteria
|
||||||
|
|
||||||
- [ ] `HttpClientConfig` no longer exposes `ExponentialBackoff`; owned field set covers what the remediation made configurable; module docs updated
|
- [x] `HttpClientConfig` no longer exposes `ExponentialBackoff`; owned field set covers what the remediation made configurable; module docs updated
|
||||||
- [ ] Existing config-construction call sites migrated (adapters' test fixtures included)
|
- [x] Existing config-construction call sites migrated (adapters' test fixtures included)
|
||||||
- [ ] TLS test: client built with a CA bundle connects to a private-roots server; client-cert path exercised end-to-end (COV-02's uncovered build paths)
|
- [x] TLS test: client built with a CA bundle connects to a private-roots server; client-cert path exercised end-to-end (COV-02's uncovered build paths)
|
||||||
- [ ] Feature matrix green (default, `--all-features`, `--no-default-features`)
|
- [x] Feature matrix green (default, `--all-features`, `--no-default-features`)
|
||||||
- [ ] `cargo test` and `cargo clippy --all-targets -- -D warnings` pass
|
- [x] `cargo test` and `cargo clippy --all-targets -- -D warnings` pass
|
||||||
|
|
||||||
## References
|
## References
|
||||||
|
|
||||||
@@ -46,10 +46,70 @@ Two deferred client-host items, grouped (same file, `src/client/http_client.rs`)
|
|||||||
|
|
||||||
## Notes
|
## Notes
|
||||||
|
|
||||||
> Agent fills during implementation. Public-API shape change —
|
**HY-06 shape chosen**: `HttpClientConfig.retry_policy:
|
||||||
> coordinate with review-001-missing-docs-sweep if running concurrently
|
ExponentialBackoff` → `HttpClientConfig.retry: RetryConfig`, an owned
|
||||||
> (same module's docs).
|
struct of plain scalars `{ max_retries: u32, initial_backoff: Duration,
|
||||||
|
max_retry_interval: Duration }` (debug-clone, `Default` =
|
||||||
|
3 retries / 100 ms / 2 s — the previous `ExponentialBackoff` default
|
||||||
|
exactly). The jitter (`Bounded`) and exponential base (`2`) stay
|
||||||
|
internal policy constants, not config — they were never surfaced
|
||||||
|
before either. `RetryGateMiddleware::new` builds the internal
|
||||||
|
`ExponentialBackoff` from the `RetryConfig` at client-construction
|
||||||
|
time; `max_total_retry_duration` remains its own `HttpClientConfig`
|
||||||
|
field (unchanged; it was already a plain scalar). `reqwest-retry`
|
||||||
|
stays a private implementation detail of the middleware stack — no
|
||||||
|
`reqwest_retry` type appears in the public API.
|
||||||
|
|
||||||
|
Call-site audit: `retry_policy` had **zero** external construction
|
||||||
|
sites — every `HttpClientConfig` consumer (from_jsonschema,
|
||||||
|
from_openapi, openapi_spec, forward.rs, full_surface test) uses
|
||||||
|
`HttpClientConfig::default()`; only `http_client.rs`'s own tests
|
||||||
|
constructed the field. Those were migrated to `RetryConfig { .. }`
|
||||||
|
literals, and the default-config assertions now pin `max_retries`,
|
||||||
|
`initial_backoff`, and `max_retry_interval` on the owned struct.
|
||||||
|
`ClientCertConfig` doc comments added (it had none — caught by the
|
||||||
|
`missing_docs` gate re-measure this task unblocks).
|
||||||
|
|
||||||
|
**COV-02 shape chosen**: new integration test file
|
||||||
|
`tests/client_tls.rs` (kept out of the lib's test module — it needs
|
||||||
|
`tokio-rustls`, `rustls`, `rcgen` as dev-deps only, so the base crate
|
||||||
|
and its feature matrix stay lean). Per test it mints a throwaway
|
||||||
|
private PKI with rcgen (CA + server leaf SAN `127.0.0.1`/`localhost` +
|
||||||
|
client leaf with ClientAuth EKU), serves HTTPS/1.1 via tokio-rustls
|
||||||
|
(`WebPkiClientVerifier` when mTLS is required), and drives the **real
|
||||||
|
`SharedHttpClient`** through `HttpClientConfig` file paths — same
|
||||||
|
encode path as production (PEM read → `add_root_certificate` /
|
||||||
|
`Identity::from_pem` via `concat_pem`). Five tests:
|
||||||
|
|
||||||
|
- CA-bundle client ↔ private-roots server: 200 + body intact + exactly
|
||||||
|
1 handshake (success path through the full middleware stack);
|
||||||
|
- no-CA-bundle client rejected by private-roots server — asserts the
|
||||||
|
TLS verification failure surfaces in the error **source chain**
|
||||||
|
(`invalid peer certificate: UnknownIssuer`; the retry middleware
|
||||||
|
wraps it, so the chain is walked, not the top-level Display);
|
||||||
|
- mTLS: client presents identity → handshake completes end-to-end;
|
||||||
|
- mTLS server rejects a client with no identity (TLS-level rejection);
|
||||||
|
- `reload()` to a CA-bundle-backed client makes a previously
|
||||||
|
unreachable server trusted (hot-reload × TLS interplay).
|
||||||
|
|
||||||
|
The negative-path assertions mirror the retry-stack reality: the first
|
||||||
|
attempt fails at the TLS layer and 3 retries surface a
|
||||||
|
`Middleware(...)` wrapper — the source chain carries the answer.
|
||||||
|
|
||||||
## Summary
|
## Summary
|
||||||
|
|
||||||
> Filled on completion.
|
- `src/client/http_client.rs`: `RetryConfig` (new public struct)
|
||||||
|
replaces the `ExponentialBackoff` exposure; retry backoff built
|
||||||
|
internally; `ClientCertConfig` fields documented; tests migrated
|
||||||
|
(minimal_config, reload-swap, default assertions).
|
||||||
|
- `tests/client_tls.rs` (new): private-PKI test server + 5 TLS tests
|
||||||
|
(2 success-path TLS builds, 1 reload×TLS, 2 negative
|
||||||
|
verification/mTLS rejections with chain-aware assertions).
|
||||||
|
- `Cargo.toml`: dev-deps `rcgen 0.14`, `tokio-rustls 0.26`,
|
||||||
|
`rustls 0.23` (no default features; aws_lc_rs + std + tls12),
|
||||||
|
`rustls-pki-types 1`, `uuid` (v4 already a main dep).
|
||||||
|
- Verified: `cargo test` (288 + 5 TLS), `cargo test --all-features`
|
||||||
|
(359 + all suites), `cargo test --no-default-features` (288; same 4
|
||||||
|
pre-existing lib warnings as the base commit, nothing new),
|
||||||
|
`cargo clippy --all-targets -- -D warnings` (default +
|
||||||
|
all-features), `cargo fmt --check`, `cargo doc --no-deps` clean.
|
||||||
@@ -0,0 +1,375 @@
|
|||||||
|
//! TLS-path coverage for the outbound client (COV-02, review-001
|
||||||
|
//! follow-up): the `ca_bundle` and `client_cert` build paths had only
|
||||||
|
//! error-path tests (missing files); these tests exercise the success
|
||||||
|
//! end-to-end against a local private-roots TLS server —
|
||||||
|
//!
|
||||||
|
//! - private-roots verification: a client built with a CA bundle
|
||||||
|
//! connects to a server whose cert is issued by that CA;
|
||||||
|
//! - mTLS: a server requiring client certificates completes the
|
||||||
|
//! handshake only when the client presents its own identity;
|
||||||
|
//! - the full middleware stack (redirect policy + retry gate) rides on
|
||||||
|
//! the same builder, so a plain GET through `SharedHttpClient`
|
||||||
|
//! covers the TLS-configured construction path.
|
||||||
|
//!
|
||||||
|
//! Uses `rcgen` to mint a throwaway private PKI per test and
|
||||||
|
//! `tokio-rustls` for the server side; the client side is the real
|
||||||
|
//! `SharedHttpClient` configured via `HttpClientConfig`.
|
||||||
|
|
||||||
|
use std::net::SocketAddr;
|
||||||
|
use std::path::PathBuf;
|
||||||
|
use std::sync::atomic::{AtomicU32, Ordering};
|
||||||
|
use std::sync::Arc;
|
||||||
|
use std::time::Duration;
|
||||||
|
|
||||||
|
use alkhttp::client::{ClientCertConfig, HttpClientConfig, SharedHttpClient};
|
||||||
|
|
||||||
|
/// A throwaway private PKI: CA, server leaf for `127.0.0.1`/`localhost`,
|
||||||
|
/// and a client leaf, freshly minted per test.
|
||||||
|
struct TestPki {
|
||||||
|
ca_pem: Vec<u8>,
|
||||||
|
server_pem: Vec<u8>,
|
||||||
|
server_key_pem: Vec<u8>,
|
||||||
|
client_pem: Vec<u8>,
|
||||||
|
client_key_pem: Vec<u8>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl TestPki {
|
||||||
|
fn generate() -> Self {
|
||||||
|
let mut ca_params =
|
||||||
|
rcgen::CertificateParams::new(vec!["alkhttp test CA".to_string()]).expect("CA params");
|
||||||
|
ca_params.is_ca = rcgen::IsCa::Ca(rcgen::BasicConstraints::Unconstrained);
|
||||||
|
let ca_key = rcgen::KeyPair::generate().expect("CA key");
|
||||||
|
let ca_cert = ca_params.self_signed(&ca_key).expect("self-signed CA");
|
||||||
|
let issuer = rcgen::Issuer::from_params(&ca_params, &ca_key);
|
||||||
|
|
||||||
|
let mut server_params =
|
||||||
|
rcgen::CertificateParams::new(vec!["127.0.0.1".to_string(), "localhost".to_string()])
|
||||||
|
.expect("server params");
|
||||||
|
server_params.is_ca = rcgen::IsCa::NoCa;
|
||||||
|
let server_key = rcgen::KeyPair::generate().expect("server key");
|
||||||
|
let server_cert = server_params
|
||||||
|
.signed_by(&server_key, &issuer)
|
||||||
|
.expect("server leaf");
|
||||||
|
|
||||||
|
let mut client_params =
|
||||||
|
rcgen::CertificateParams::new(vec!["alkhttp test client".to_string()])
|
||||||
|
.expect("client params");
|
||||||
|
client_params.is_ca = rcgen::IsCa::NoCa;
|
||||||
|
client_params.extended_key_usages = vec![rcgen::ExtendedKeyUsagePurpose::ClientAuth];
|
||||||
|
let client_key = rcgen::KeyPair::generate().expect("client key");
|
||||||
|
let client_cert = client_params
|
||||||
|
.signed_by(&client_key, &issuer)
|
||||||
|
.expect("client leaf");
|
||||||
|
|
||||||
|
Self {
|
||||||
|
ca_pem: ca_cert.pem().into_bytes(),
|
||||||
|
server_pem: server_cert.pem().into_bytes(),
|
||||||
|
server_key_pem: server_key.serialize_pem().into_bytes(),
|
||||||
|
client_pem: client_cert.pem().into_bytes(),
|
||||||
|
client_key_pem: client_key.serialize_pem().into_bytes(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Writes the CA bundle (and, when `with_client_cert`, the client
|
||||||
|
/// identity) to a fresh temp directory, as `HttpClientConfig`
|
||||||
|
/// expects paths. Returns the config pieces plus the temp dir.
|
||||||
|
fn write_config_files(
|
||||||
|
&self,
|
||||||
|
with_client_cert: bool,
|
||||||
|
) -> (Option<PathBuf>, Option<ClientCertConfig>, PathBuf) {
|
||||||
|
let dir = std::env::temp_dir().join(format!(
|
||||||
|
"alkhttp-tls-test-{}-{}",
|
||||||
|
std::process::id(),
|
||||||
|
uuid::Uuid::new_v4()
|
||||||
|
));
|
||||||
|
std::fs::create_dir_all(&dir).expect("temp dir");
|
||||||
|
let write = |name: &str, bytes: &[u8]| {
|
||||||
|
let path = dir.join(name);
|
||||||
|
std::fs::write(&path, bytes).expect("write pem");
|
||||||
|
path
|
||||||
|
};
|
||||||
|
let ca = Some(write("ca.pem", &self.ca_pem));
|
||||||
|
let client = if with_client_cert {
|
||||||
|
Some(ClientCertConfig {
|
||||||
|
cert_pem: write("client-cert.pem", &self.client_pem),
|
||||||
|
key_pem: write("client-key.pem", &self.client_key_pem),
|
||||||
|
})
|
||||||
|
} else {
|
||||||
|
None
|
||||||
|
};
|
||||||
|
(ca, client, dir)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// A minimal HTTPS/1.1 test server on 127.0.0.1 that either requires a
|
||||||
|
/// client certificate (mTLS) or accepts anonymous clients, answers
|
||||||
|
/// every request with `200 ok`, and counts completed TLS handshakes.
|
||||||
|
struct TlsTestServer {
|
||||||
|
origin: String,
|
||||||
|
shutdown: Option<tokio::sync::oneshot::Sender<()>>,
|
||||||
|
handshakes: Arc<AtomicU32>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl TlsTestServer {
|
||||||
|
fn handshakes(&self) -> u32 {
|
||||||
|
self.handshakes.load(Ordering::SeqCst)
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn spawn(pki: &TestPki, require_client_cert: bool) -> Self {
|
||||||
|
use rustls_pki_types::pem::PemObject;
|
||||||
|
|
||||||
|
let server_certs: Vec<rustls_pki_types::CertificateDer<'static>> =
|
||||||
|
rustls_pki_types::pem::PemObject::pem_slice_iter(&pki.server_pem)
|
||||||
|
.map(|c: Result<rustls_pki_types::CertificateDer<'_>, _>| {
|
||||||
|
c.expect("server cert parses")
|
||||||
|
})
|
||||||
|
.collect();
|
||||||
|
let server_key = rustls_pki_types::PrivateKeyDer::from_pem_slice(&pki.server_key_pem)
|
||||||
|
.expect("server key parses");
|
||||||
|
|
||||||
|
let server_trust = if require_client_cert {
|
||||||
|
let mut trust = rustls::RootCertStore::empty();
|
||||||
|
let ca_iter = rustls_pki_types::pem::PemObject::pem_slice_iter(&pki.ca_pem).map(
|
||||||
|
|c: Result<rustls_pki_types::CertificateDer<'_>, _>| c.expect("CA cert parses"),
|
||||||
|
);
|
||||||
|
for ca in ca_iter {
|
||||||
|
trust.add(ca).expect("CA added to server trust store");
|
||||||
|
}
|
||||||
|
Some(trust)
|
||||||
|
} else {
|
||||||
|
None
|
||||||
|
};
|
||||||
|
|
||||||
|
let config = match &server_trust {
|
||||||
|
Some(trust) => {
|
||||||
|
let verifier =
|
||||||
|
rustls::server::WebPkiClientVerifier::builder(Arc::new(trust.clone()))
|
||||||
|
.build()
|
||||||
|
.expect("client verifier");
|
||||||
|
rustls::ServerConfig::builder()
|
||||||
|
.with_client_cert_verifier(verifier)
|
||||||
|
.with_single_cert(server_certs, server_key)
|
||||||
|
.expect("server config with client auth")
|
||||||
|
}
|
||||||
|
None => rustls::ServerConfig::builder()
|
||||||
|
.with_no_client_auth()
|
||||||
|
.with_single_cert(server_certs, server_key)
|
||||||
|
.expect("server config"),
|
||||||
|
};
|
||||||
|
let tls_config = Arc::new(config);
|
||||||
|
let handshakes = Arc::new(AtomicU32::new(0));
|
||||||
|
|
||||||
|
let listener = tokio::net::TcpListener::bind("127.0.0.1:0")
|
||||||
|
.await
|
||||||
|
.expect("bind 127.0.0.1:0");
|
||||||
|
let addr: SocketAddr = listener.local_addr().expect("local addr");
|
||||||
|
let (shutdown_tx, shutdown_rx) = tokio::sync::oneshot::channel::<()>();
|
||||||
|
let hs_counter = Arc::clone(&handshakes);
|
||||||
|
|
||||||
|
tokio::spawn(async move {
|
||||||
|
let acceptor = tokio_rustls::TlsAcceptor::from(tls_config);
|
||||||
|
let mut shutdown = std::pin::pin!(shutdown_rx);
|
||||||
|
loop {
|
||||||
|
let accept = tokio::select! {
|
||||||
|
_ = &mut shutdown => break,
|
||||||
|
accepted = listener.accept() => match accepted {
|
||||||
|
Ok((sock, _)) => sock,
|
||||||
|
Err(_) => break,
|
||||||
|
},
|
||||||
|
};
|
||||||
|
let acceptor = acceptor.clone();
|
||||||
|
let hs = Arc::clone(&hs_counter);
|
||||||
|
tokio::spawn(async move {
|
||||||
|
let Ok(mut tls_stream) = acceptor.accept(accept).await else {
|
||||||
|
return;
|
||||||
|
};
|
||||||
|
hs.fetch_add(1, Ordering::SeqCst);
|
||||||
|
use tokio::io::{AsyncReadExt, AsyncWriteExt};
|
||||||
|
let mut buf = [0u8; 4096];
|
||||||
|
loop {
|
||||||
|
let n = tls_stream.read(&mut buf).await.unwrap_or(0);
|
||||||
|
if n == 0 {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if String::from_utf8_lossy(&buf[..n]).contains("\r\n\r\n") {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
let body = b"ok";
|
||||||
|
let response = format!(
|
||||||
|
"HTTP/1.1 200 OK\r\ncontent-length: {}\r\nconnection: close\r\n\r\n{}",
|
||||||
|
body.len(),
|
||||||
|
String::from_utf8_lossy(body),
|
||||||
|
);
|
||||||
|
let _ = tls_stream.write_all(response.as_bytes()).await;
|
||||||
|
let _ = tls_stream.shutdown().await;
|
||||||
|
});
|
||||||
|
}
|
||||||
|
});
|
||||||
|
|
||||||
|
Self {
|
||||||
|
origin: format!("https://127.0.0.1:{}", addr.port()),
|
||||||
|
shutdown: Some(shutdown_tx),
|
||||||
|
handshakes,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Drop for TlsTestServer {
|
||||||
|
fn drop(&mut self) {
|
||||||
|
if let Some(shutdown) = self.shutdown.take() {
|
||||||
|
let _ = shutdown.send(());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn client_config(ca: Option<PathBuf>, cert: Option<ClientCertConfig>) -> HttpClientConfig {
|
||||||
|
HttpClientConfig {
|
||||||
|
ca_bundle: ca,
|
||||||
|
client_cert: cert,
|
||||||
|
..HttpClientConfig::default()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn cleanup_dir(dir: &PathBuf) {
|
||||||
|
let _ = std::fs::remove_dir_all(dir);
|
||||||
|
}
|
||||||
|
|
||||||
|
#[tokio::test]
|
||||||
|
async fn client_with_ca_bundle_connects_to_private_roots_server() {
|
||||||
|
let pki = TestPki::generate();
|
||||||
|
let server = TlsTestServer::spawn(&pki, false).await;
|
||||||
|
let (ca, _cert, dir) = pki.write_config_files(false);
|
||||||
|
|
||||||
|
let http = SharedHttpClient::new(client_config(ca, None)).expect("client builds with CA");
|
||||||
|
let response = http
|
||||||
|
.client()
|
||||||
|
.get(format!("{}/ping", server.origin))
|
||||||
|
.send()
|
||||||
|
.await
|
||||||
|
.expect("request over private roots succeeds");
|
||||||
|
assert_eq!(response.status(), 200, "server answers over TLS");
|
||||||
|
assert_eq!(
|
||||||
|
response.text().await.unwrap(),
|
||||||
|
"ok",
|
||||||
|
"the TLS-secured body arrives intact"
|
||||||
|
);
|
||||||
|
assert_eq!(
|
||||||
|
server.handshakes(),
|
||||||
|
1,
|
||||||
|
"exactly one TLS handshake was completed"
|
||||||
|
);
|
||||||
|
cleanup_dir(&dir);
|
||||||
|
}
|
||||||
|
|
||||||
|
#[tokio::test]
|
||||||
|
async fn client_without_ca_bundle_rejects_private_roots_server() {
|
||||||
|
let pki = TestPki::generate();
|
||||||
|
let server = TlsTestServer::spawn(&pki, false).await;
|
||||||
|
|
||||||
|
let http = SharedHttpClient::new(HttpClientConfig::default())
|
||||||
|
.expect("client builds with default (webpki) roots");
|
||||||
|
let result = http
|
||||||
|
.client()
|
||||||
|
.get(format!("{}/ping", server.origin))
|
||||||
|
.send()
|
||||||
|
.await;
|
||||||
|
let error = result
|
||||||
|
.expect_err("a private-roots server must be rejected by a client without the CA bundle");
|
||||||
|
let text = error_chain_text(&error);
|
||||||
|
assert!(
|
||||||
|
text.contains("certificate"),
|
||||||
|
"the chain names the TLS verification failure, got: {text}"
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Walks the full `std::error::Error` source chain (the retry
|
||||||
|
/// middleware wraps the transport error, so the TLS detail sits in the
|
||||||
|
/// `Caused by` chain) and joins it into one lowercase string.
|
||||||
|
fn error_chain_text(error: &reqwest_middleware::Error) -> String {
|
||||||
|
let mut text = error.to_string().to_lowercase();
|
||||||
|
let mut source = std::error::Error::source(error);
|
||||||
|
while let Some(err) = source {
|
||||||
|
text.push(' ');
|
||||||
|
text.push_str(&err.to_string().to_lowercase());
|
||||||
|
source = err.source();
|
||||||
|
}
|
||||||
|
text
|
||||||
|
}
|
||||||
|
|
||||||
|
#[tokio::test]
|
||||||
|
async fn mtls_client_cert_is_presented_and_accepted_end_to_end() {
|
||||||
|
let pki = TestPki::generate();
|
||||||
|
let server = TlsTestServer::spawn(&pki, true).await;
|
||||||
|
let (ca, cert, dir) = pki.write_config_files(true);
|
||||||
|
|
||||||
|
let http = SharedHttpClient::new(client_config(ca, cert))
|
||||||
|
.expect("client builds with CA bundle + client identity");
|
||||||
|
let response = http
|
||||||
|
.client()
|
||||||
|
.get(format!("{}/ping", server.origin))
|
||||||
|
.send()
|
||||||
|
.await
|
||||||
|
.expect("mTLS handshake with client identity succeeds");
|
||||||
|
assert_eq!(response.status(), 200, "server answers the mTLS client");
|
||||||
|
assert_eq!(response.text().await.unwrap(), "ok");
|
||||||
|
assert_eq!(
|
||||||
|
server.handshakes(),
|
||||||
|
1,
|
||||||
|
"the client-cert handshake completed through the full middleware stack"
|
||||||
|
);
|
||||||
|
cleanup_dir(&dir);
|
||||||
|
}
|
||||||
|
|
||||||
|
#[tokio::test]
|
||||||
|
async fn mtls_server_rejects_client_without_identity() {
|
||||||
|
let pki = TestPki::generate();
|
||||||
|
let server = TlsTestServer::spawn(&pki, true).await;
|
||||||
|
let (ca, _cert, dir) = pki.write_config_files(false);
|
||||||
|
|
||||||
|
let http = SharedHttpClient::new(client_config(ca, None))
|
||||||
|
.expect("client builds with CA bundle but no client identity");
|
||||||
|
let result = http
|
||||||
|
.client()
|
||||||
|
.get(format!("{}/ping", server.origin))
|
||||||
|
.send()
|
||||||
|
.await;
|
||||||
|
let error = result
|
||||||
|
.expect_err("an mTLS-requiring server must reject a client that presents no certificate");
|
||||||
|
let text = error_chain_text(&error);
|
||||||
|
assert!(
|
||||||
|
text.contains("certificate") || text.contains("alert") || text.contains("handshake"),
|
||||||
|
"the chain names a TLS/certificate-level rejection, got: {text}"
|
||||||
|
);
|
||||||
|
cleanup_dir(&dir);
|
||||||
|
}
|
||||||
|
|
||||||
|
#[tokio::test]
|
||||||
|
async fn reload_to_a_ca_bundle_backed_client_succeeds() {
|
||||||
|
let pki = TestPki::generate();
|
||||||
|
let server = TlsTestServer::spawn(&pki, false).await;
|
||||||
|
let (ca, _cert, dir) = pki.write_config_files(false);
|
||||||
|
|
||||||
|
let http = SharedHttpClient::new(HttpClientConfig::default()).expect("initial client");
|
||||||
|
assert!(
|
||||||
|
http.client()
|
||||||
|
.get(format!("{}/ping", server.origin))
|
||||||
|
.send()
|
||||||
|
.await
|
||||||
|
.is_err(),
|
||||||
|
"before the reload the private-roots server is unreachable"
|
||||||
|
);
|
||||||
|
let reloaded = client_config(ca, None);
|
||||||
|
http.reload(reloaded)
|
||||||
|
.await
|
||||||
|
.expect("reload with a valid CA bundle succeeds");
|
||||||
|
let response = http
|
||||||
|
.client()
|
||||||
|
.get(format!("{}/ping", server.origin))
|
||||||
|
.send()
|
||||||
|
.await
|
||||||
|
.expect("after the reload the CA bundle is trusted");
|
||||||
|
assert_eq!(response.status(), 200);
|
||||||
|
cleanup_dir(&dir);
|
||||||
|
tokio::time::sleep(Duration::from_millis(1)).await;
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user