feat(smithy-http-auth): add api key auth types (#2153)

* feat(aws-types): add api key to configuration * chore: set package version to 0.52.0 * feat(aws-smithy-types): create auth types * chore: use auth from smithy types * chore: fix return self type * chore: create http auth definition type * chore: add constructor for http auth definition * chore: ensure properties are not moved * chore: create convenience constructors * chore: add some todo comments * feat: move query writer to aws-smithy-http crate * chore(codegen): expose smithy http tower dependency * chore: remove setters for auth definition * chore: fix logical error for scheme not allowed * chore: add constructor for basic and digest auth * chore: allow equality comparision for api key * Revert "chore: set package version to 0.52.0" This reverts commit da660fc. * chore: fix additional references to querywriter * chore: implement from string for api key struct * chore: disallow none api key in sdk config * chore: fix formatting * chore: add unit tests for auth types * chore: add auth api key to external types * chore: make query writer doc hidden * feat: create aws-smithy-http-auth crate * chore: use zeroing for auth api key * chore: use builder pattern for auth definition * chore: restructure http auth package * chore: define default lint warning * chore: include http auth in runtime common list * chore: define setter for optional scheme * chore: should panic while building auth definition * chore: return missing required field error * chore: make few code simplications for api key * Revert "chore: add auth api key to external types" This reverts commit b2318b0. * chore: revert api key from sdk config * chore: panic on missing required field * Opt out of `clippy::derive_partial_eq_without_eq` --------- Co-authored-by: Eduardo Rodrigues <eduardomourar@users.noreply.github.com> Co-authored-by: John DiSanti <jdisanti@amazon.com>
smithy-lang · Feb 14, 2023 · 76c8f29 · 76c8f29
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diff --git a/aws/rust-runtime/aws-sigv4/src/http_request/canonical_request.rs b/aws/rust-runtime/aws-sigv4/src/http_request/canonical_request.rs
@@ -5,14 +5,14 @@
 
 use crate::date_time::{format_date, format_date_time};
 use crate::http_request::error::CanonicalRequestError;
-use crate::http_request::query_writer::QueryWriter;
 use crate::http_request::settings::UriPathNormalizationMode;
 use crate::http_request::sign::SignableRequest;
 use crate::http_request::uri_path_normalization::normalize_uri_path;
 use crate::http_request::url_escape::percent_encode_path;
 use crate::http_request::PercentEncodingMode;
 use crate::http_request::{PayloadChecksumKind, SignableBody, SignatureLocation, SigningParams};
 use crate::sign::sha256_hex_string;
+use aws_smithy_http::query_writer::QueryWriter;
 use http::header::{AsHeaderName, HeaderName, HOST};
 use http::{HeaderMap, HeaderValue, Method, Uri};
 use std::borrow::Cow;
@@ -519,13 +519,13 @@ mod tests {
     use crate::http_request::canonical_request::{
         normalize_header_value, trim_all, CanonicalRequest, SigningScope, StringToSign,
     };
-    use crate::http_request::query_writer::QueryWriter;
     use crate::http_request::test::{test_canonical_request, test_request, test_sts};
     use crate::http_request::{
         PayloadChecksumKind, SignableBody, SignableRequest, SigningSettings,
     };
     use crate::http_request::{SignatureLocation, SigningParams};
     use crate::sign::sha256_hex_string;
+    use aws_smithy_http::query_writer::QueryWriter;
     use http::Uri;
     use http::{header::HeaderName, HeaderValue};
     use pretty_assertions::assert_eq;

diff --git a/aws/rust-runtime/aws-sigv4/src/http_request/mod.rs b/aws/rust-runtime/aws-sigv4/src/http_request/mod.rs
@@ -43,7 +43,6 @@
 
 mod canonical_request;
 mod error;
-mod query_writer;
 mod settings;
 mod sign;
 mod uri_path_normalization;

diff --git a/aws/rust-runtime/aws-sigv4/src/http_request/sign.rs b/aws/rust-runtime/aws-sigv4/src/http_request/sign.rs
@@ -8,10 +8,10 @@ use super::{PayloadChecksumKind, SignatureLocation};
 use crate::http_request::canonical_request::header;
 use crate::http_request::canonical_request::param;
 use crate::http_request::canonical_request::{CanonicalRequest, StringToSign, HMAC_256};
-use crate::http_request::query_writer::QueryWriter;
 use crate::http_request::SigningParams;
 use crate::sign::{calculate_signature, generate_signing_key, sha256_hex_string};
 use crate::SigningOutput;
+use aws_smithy_http::query_writer::QueryWriter;
 use http::header::HeaderValue;
 use http::{HeaderMap, Method, Uri};
 use std::borrow::Cow;

diff --git a/aws/rust-runtime/aws-sigv4/src/http_request/url_escape.rs b/aws/rust-runtime/aws-sigv4/src/http_request/url_escape.rs
@@ -3,11 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-use aws_smithy_http::{label, query};
-
-pub(super) fn percent_encode_query(value: &str) -> String {
-    query::fmt_string(value)
-}
+use aws_smithy_http::label;
 
 pub(super) fn percent_encode_path(value: &str) -> String {
     label::fmt_string(value, label::EncodingStrategy::Greedy)

diff --git a/buildSrc/src/main/kotlin/CrateSet.kt b/buildSrc/src/main/kotlin/CrateSet.kt
@@ -21,6 +21,7 @@ object CrateSet {
         "aws-smithy-checksums",
         "aws-smithy-eventstream",
         "aws-smithy-http",
+        "aws-smithy-http-auth",
         "aws-smithy-http-tower",
         "aws-smithy-json",
         "aws-smithy-protocol-test",

diff --git a/codegen-core/src/main/kotlin/software/amazon/smithy/rust/codegen/core/smithy/RuntimeType.kt b/codegen-core/src/main/kotlin/software/amazon/smithy/rust/codegen/core/smithy/RuntimeType.kt
@@ -251,6 +251,7 @@ data class RuntimeType(val path: String, val dependency: RustDependency? = null)
         fun smithyClient(runtimeConfig: RuntimeConfig) = CargoDependency.smithyClient(runtimeConfig).toType()
         fun smithyEventStream(runtimeConfig: RuntimeConfig) = CargoDependency.smithyEventStream(runtimeConfig).toType()
         fun smithyHttp(runtimeConfig: RuntimeConfig) = CargoDependency.smithyHttp(runtimeConfig).toType()
+        fun smithyHttpTower(runtimeConfig: RuntimeConfig) = CargoDependency.smithyHttpTower(runtimeConfig).toType()
         fun smithyJson(runtimeConfig: RuntimeConfig) = CargoDependency.smithyJson(runtimeConfig).toType()
         fun smithyQuery(runtimeConfig: RuntimeConfig) = CargoDependency.smithyQuery(runtimeConfig).toType()
         fun smithyTypes(runtimeConfig: RuntimeConfig) = CargoDependency.smithyTypes(runtimeConfig).toType()

diff --git a/rust-runtime/Cargo.toml b/rust-runtime/Cargo.toml
@@ -7,6 +7,7 @@ members = [
     "aws-smithy-checksums",
     "aws-smithy-eventstream",
     "aws-smithy-http",
+    "aws-smithy-http-auth",
     "aws-smithy-http-tower",
     "aws-smithy-json",
     "aws-smithy-protocol-test",

diff --git a/rust-runtime/aws-smithy-http-auth/Cargo.toml b/rust-runtime/aws-smithy-http-auth/Cargo.toml
@@ -0,0 +1,20 @@
+[package]
+name = "aws-smithy-http-auth"
+version = "0.0.0-smithy-rs-head"
+authors = [
+  "AWS Rust SDK Team <aws-sdk-rust@amazon.com>",
+  "Eduardo Rodrigues <16357187+eduardomourar@users.noreply.github.com>",
+]
+description = "Smithy HTTP logic for smithy-rs."
+edition = "2021"
+license = "Apache-2.0"
+repository = "https://github.com/awslabs/smithy-rs"
+
+[dependencies]
+zeroize = "1"
+
+[package.metadata.docs.rs]
+all-features = true
+targets = ["x86_64-unknown-linux-gnu"]
+rustdoc-args = ["--cfg", "docsrs"]
+# End of docs.rs metadata
diff --git a/rust-runtime/aws-smithy-http-auth/LICENSE b/rust-runtime/aws-smithy-http-auth/LICENSE
@@ -0,0 +1,175 @@
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diff --git a/rust-runtime/aws-smithy-http-auth/README.md b/rust-runtime/aws-smithy-http-auth/README.md
@@ -0,0 +1,7 @@
+# aws-smithy-http-auth
+
+HTTP Auth implementation for service clients generated by [smithy-rs](https://github.com/awslabs/smithy-rs).
+
+<!-- anchor_start:footer -->
+This crate is part of the [AWS SDK for Rust](https://awslabs.github.io/aws-sdk-rust/) and the [smithy-rs](https://github.com/awslabs/smithy-rs) code generator. In most cases, it should not be used directly.
+<!-- anchor_end:footer -->
diff --git a/rust-runtime/aws-smithy-http-auth/external-types.toml b/rust-runtime/aws-smithy-http-auth/external-types.toml
@@ -0,0 +1,2 @@
+allowed_external_types = [
+]
diff --git a/rust-runtime/aws-smithy-http-auth/src/api_key.rs b/rust-runtime/aws-smithy-http-auth/src/api_key.rs
@@ -0,0 +1,74 @@
+/*
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+//! HTTP Auth API Key
+
+use std::cmp::PartialEq;
+use std::fmt::Debug;
+use std::sync::Arc;
+use zeroize::Zeroizing;
+
+/// Authentication configuration to connect to a Smithy Service
+#[derive(Clone, Eq, PartialEq)]
+pub struct AuthApiKey(Arc<Inner>);
+
+#[derive(Clone, Eq, PartialEq)]
+struct Inner {
+    api_key: Zeroizing<String>,
+}
+
+impl Debug for AuthApiKey {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let mut auth_api_key = f.debug_struct("AuthApiKey");
+        auth_api_key.field("api_key", &"** redacted **").finish()
+    }
+}
+
+impl AuthApiKey {
+    /// Constructs a new API key.
+    pub fn new(api_key: impl Into<String>) -> Self {
+        Self(Arc::new(Inner {
+            api_key: Zeroizing::new(api_key.into()),
+        }))
+    }
+
+    /// Returns the underlying api key.
+    pub fn api_key(&self) -> &str {
+        &self.0.api_key
+    }
+}
+
+impl From<&str> for AuthApiKey {
+    fn from(api_key: &str) -> Self {
+        Self::from(api_key.to_owned())
+    }
+}
+
+impl From<String> for AuthApiKey {
+    fn from(api_key: String) -> Self {
+        Self(Arc::new(Inner {
+            api_key: Zeroizing::new(api_key),
+        }))
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::AuthApiKey;
+
+    #[test]
+    fn api_key_is_equal() {
+        let api_key_a: AuthApiKey = "some-api-key".into();
+        let api_key_b = AuthApiKey::new("some-api-key");
+        assert_eq!(api_key_a, api_key_b);
+    }
+
+    #[test]
+    fn api_key_is_different() {
+        let api_key_a = AuthApiKey::new("some-api-key");
+        let api_key_b: AuthApiKey = String::from("another-api-key").into();
+        assert_ne!(api_key_a, api_key_b);
+    }
+}