aws_sdk_s3/operation/
head_bucket.rs

1// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
2/// Orchestration and serialization glue logic for `HeadBucket`.
3#[derive(::std::clone::Clone, ::std::default::Default, ::std::fmt::Debug)]
4#[non_exhaustive]
5pub struct HeadBucket;
6impl HeadBucket {
7    /// Creates a new `HeadBucket`
8    pub fn new() -> Self {
9        Self
10    }
11    pub(crate) async fn orchestrate(
12        runtime_plugins: &::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
13        input: crate::operation::head_bucket::HeadBucketInput,
14    ) -> ::std::result::Result<
15        crate::operation::head_bucket::HeadBucketOutput,
16        ::aws_smithy_runtime_api::client::result::SdkError<
17            crate::operation::head_bucket::HeadBucketError,
18            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
19        >,
20    > {
21        let map_err = |err: ::aws_smithy_runtime_api::client::result::SdkError<
22            ::aws_smithy_runtime_api::client::interceptors::context::Error,
23            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
24        >| {
25            err.map_service_error(|err| {
26                err.downcast::<crate::operation::head_bucket::HeadBucketError>()
27                    .expect("correct error type")
28            })
29        };
30        use ::tracing::Instrument;
31        let context = Self::orchestrate_with_stop_point(runtime_plugins, input, ::aws_smithy_runtime::client::orchestrator::StopPoint::None)
32            // Create a parent span for the entire operation. Includes a random, internal-only,
33            // seven-digit ID for the operation orchestration so that it can be correlated in the logs.
34            .instrument(::tracing::debug_span!(
35                "s3.HeadBucket",
36                "rpc.service" = "s3",
37                "rpc.method" = "HeadBucket",
38                "sdk_invocation_id" = ::fastrand::u32(1_000_000..10_000_000),
39                "rpc.system" = "aws-api",
40            ))
41            .await
42            .map_err(map_err)?;
43        let output = context.finalize().map_err(map_err)?;
44        ::std::result::Result::Ok(
45            output
46                .downcast::<crate::operation::head_bucket::HeadBucketOutput>()
47                .expect("correct output type"),
48        )
49    }
50
51    pub(crate) async fn orchestrate_with_stop_point(
52        runtime_plugins: &::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
53        input: crate::operation::head_bucket::HeadBucketInput,
54        stop_point: ::aws_smithy_runtime::client::orchestrator::StopPoint,
55    ) -> ::std::result::Result<
56        ::aws_smithy_runtime_api::client::interceptors::context::InterceptorContext,
57        ::aws_smithy_runtime_api::client::result::SdkError<
58            ::aws_smithy_runtime_api::client::interceptors::context::Error,
59            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
60        >,
61    > {
62        let input = ::aws_smithy_runtime_api::client::interceptors::context::Input::erase(input);
63        ::aws_smithy_runtime::client::orchestrator::invoke_with_stop_point("s3", "HeadBucket", input, runtime_plugins, stop_point).await
64    }
65
66    pub(crate) fn operation_runtime_plugins(
67        client_runtime_plugins: ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
68        client_config: &crate::config::Config,
69        config_override: ::std::option::Option<crate::config::Builder>,
70    ) -> ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins {
71        let mut runtime_plugins = client_runtime_plugins.with_operation_plugin(Self::new());
72        runtime_plugins = runtime_plugins.with_client_plugin(crate::auth_plugin::DefaultAuthOptionsPlugin::new(vec![
73            ::aws_runtime::auth::sigv4::SCHEME_ID,
74            #[cfg(feature = "sigv4a")]
75            {
76                ::aws_runtime::auth::sigv4a::SCHEME_ID
77            },
78            crate::s3_express::auth::SCHEME_ID,
79            ::aws_smithy_runtime::client::auth::no_auth::NO_AUTH_SCHEME_ID,
80        ]));
81        if let ::std::option::Option::Some(config_override) = config_override {
82            for plugin in config_override.runtime_plugins.iter().cloned() {
83                runtime_plugins = runtime_plugins.with_operation_plugin(plugin);
84            }
85            runtime_plugins = runtime_plugins.with_operation_plugin(crate::config::ConfigOverrideRuntimePlugin::new(
86                config_override,
87                client_config.config.clone(),
88                &client_config.runtime_components,
89            ));
90        }
91        runtime_plugins
92    }
93}
94impl ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugin for HeadBucket {
95    fn config(&self) -> ::std::option::Option<::aws_smithy_types::config_bag::FrozenLayer> {
96        let mut cfg = ::aws_smithy_types::config_bag::Layer::new("HeadBucket");
97
98        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedRequestSerializer::new(
99            HeadBucketRequestSerializer,
100        ));
101        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedResponseDeserializer::new(
102            HeadBucketResponseDeserializer,
103        ));
104
105        cfg.store_put(::aws_smithy_runtime_api::client::auth::AuthSchemeOptionResolverParams::new(
106            ::aws_smithy_runtime_api::client::auth::static_resolver::StaticAuthSchemeOptionResolverParams::new(),
107        ));
108
109        cfg.store_put(::aws_smithy_runtime_api::client::orchestrator::Metadata::new("HeadBucket", "s3"));
110        let mut signing_options = ::aws_runtime::auth::SigningOptions::default();
111        signing_options.double_uri_encode = false;
112        signing_options.content_sha256_header = true;
113        signing_options.normalize_uri_path = false;
114        signing_options.payload_override = None;
115
116        cfg.store_put(::aws_runtime::auth::SigV4OperationSigningConfig {
117            signing_options,
118            ..::std::default::Default::default()
119        });
120
121        ::std::option::Option::Some(cfg.freeze())
122    }
123
124    fn runtime_components(
125        &self,
126        _: &::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder,
127    ) -> ::std::borrow::Cow<'_, ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder> {
128        #[allow(unused_mut)]
129        let mut rcb = ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder::new("HeadBucket")
130            .with_interceptor(::aws_smithy_runtime::client::stalled_stream_protection::StalledStreamProtectionInterceptor::default())
131            .with_interceptor(HeadBucketEndpointParamsInterceptor)
132            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::TransientErrorClassifier::<
133                crate::operation::head_bucket::HeadBucketError,
134            >::new())
135            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::ModeledAsRetryableClassifier::<
136                crate::operation::head_bucket::HeadBucketError,
137            >::new())
138            .with_retry_classifier(
139                ::aws_runtime::retries::classifiers::AwsErrorCodeClassifier::<crate::operation::head_bucket::HeadBucketError>::builder()
140                    .transient_errors({
141                        let mut transient_errors: Vec<&'static str> = ::aws_runtime::retries::classifiers::TRANSIENT_ERRORS.into();
142                        transient_errors.push("InternalError");
143                        ::std::borrow::Cow::Owned(transient_errors)
144                    })
145                    .build(),
146            );
147
148        ::std::borrow::Cow::Owned(rcb)
149    }
150}
151
152#[derive(Debug)]
153struct HeadBucketResponseDeserializer;
154impl ::aws_smithy_runtime_api::client::ser_de::DeserializeResponse for HeadBucketResponseDeserializer {
155    fn deserialize_nonstreaming(
156        &self,
157        response: &::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
158    ) -> ::aws_smithy_runtime_api::client::interceptors::context::OutputOrError {
159        let (success, status) = (response.status().is_success(), response.status().as_u16());
160        let headers = response.headers();
161        let body = response.body().bytes().expect("body loaded");
162        #[allow(unused_mut)]
163        let mut force_error = false;
164        ::tracing::debug!(extended_request_id = ?crate::s3_request_id::RequestIdExt::extended_request_id(response));
165        if matches!(crate::rest_xml_unwrapped_errors::body_is_error(body), Ok(true)) {
166            force_error = true;
167        }
168        ::tracing::debug!(request_id = ?::aws_types::request_id::RequestId::request_id(response));
169        let parse_result = if !success && status != 200 || force_error {
170            crate::protocol_serde::shape_head_bucket::de_head_bucket_http_error(status, headers, body)
171        } else {
172            crate::protocol_serde::shape_head_bucket::de_head_bucket_http_response(status, headers, body)
173        };
174        crate::protocol_serde::type_erase_result(parse_result)
175    }
176}
177#[derive(Debug)]
178struct HeadBucketRequestSerializer;
179impl ::aws_smithy_runtime_api::client::ser_de::SerializeRequest for HeadBucketRequestSerializer {
180    #[allow(unused_mut, clippy::let_and_return, clippy::needless_borrow, clippy::useless_conversion)]
181    fn serialize_input(
182        &self,
183        input: ::aws_smithy_runtime_api::client::interceptors::context::Input,
184        _cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
185    ) -> ::std::result::Result<::aws_smithy_runtime_api::client::orchestrator::HttpRequest, ::aws_smithy_runtime_api::box_error::BoxError> {
186        let input = input.downcast::<crate::operation::head_bucket::HeadBucketInput>().expect("correct type");
187        let _header_serialization_settings = _cfg
188            .load::<crate::serialization_settings::HeaderSerializationSettings>()
189            .cloned()
190            .unwrap_or_default();
191        let mut request_builder = {
192            fn uri_base(
193                _input: &crate::operation::head_bucket::HeadBucketInput,
194                output: &mut ::std::string::String,
195            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
196                use ::std::fmt::Write as _;
197                ::std::write!(output, "/").expect("formatting should succeed");
198                ::std::result::Result::Ok(())
199            }
200            #[allow(clippy::unnecessary_wraps)]
201            fn update_http_builder(
202                input: &crate::operation::head_bucket::HeadBucketInput,
203                builder: ::http::request::Builder,
204            ) -> ::std::result::Result<::http::request::Builder, ::aws_smithy_types::error::operation::BuildError> {
205                let mut uri = ::std::string::String::new();
206                uri_base(input, &mut uri)?;
207                let builder = crate::protocol_serde::shape_head_bucket::ser_head_bucket_headers(input, builder)?;
208                ::std::result::Result::Ok(builder.method("HEAD").uri(uri))
209            }
210            let mut builder = update_http_builder(&input, ::http::request::Builder::new())?;
211            builder
212        };
213        let body = ::aws_smithy_types::body::SdkBody::from("");
214
215        ::std::result::Result::Ok(request_builder.body(body).expect("valid request").try_into().unwrap())
216    }
217}
218#[derive(Debug)]
219struct HeadBucketEndpointParamsInterceptor;
220
221impl ::aws_smithy_runtime_api::client::interceptors::Intercept for HeadBucketEndpointParamsInterceptor {
222    fn name(&self) -> &'static str {
223        "HeadBucketEndpointParamsInterceptor"
224    }
225
226    fn read_before_execution(
227        &self,
228        context: &::aws_smithy_runtime_api::client::interceptors::context::BeforeSerializationInterceptorContextRef<
229            '_,
230            ::aws_smithy_runtime_api::client::interceptors::context::Input,
231            ::aws_smithy_runtime_api::client::interceptors::context::Output,
232            ::aws_smithy_runtime_api::client::interceptors::context::Error,
233        >,
234        cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
235    ) -> ::std::result::Result<(), ::aws_smithy_runtime_api::box_error::BoxError> {
236        let _input = context
237            .input()
238            .downcast_ref::<HeadBucketInput>()
239            .ok_or("failed to downcast to HeadBucketInput")?;
240
241        let params = crate::config::endpoint::Params::builder()
242            .set_region(cfg.load::<::aws_types::region::Region>().map(|r| r.as_ref().to_owned()))
243            .set_use_fips(cfg.load::<::aws_types::endpoint_config::UseFips>().map(|ty| ty.0))
244            .set_use_dual_stack(cfg.load::<::aws_types::endpoint_config::UseDualStack>().map(|ty| ty.0))
245            .set_endpoint(cfg.load::<::aws_types::endpoint_config::EndpointUrl>().map(|ty| ty.0.clone()))
246            .set_force_path_style(cfg.load::<crate::config::ForcePathStyle>().map(|ty| ty.0))
247            .set_use_arn_region(cfg.load::<crate::config::UseArnRegion>().map(|ty| ty.0))
248            .set_disable_multi_region_access_points(cfg.load::<crate::config::DisableMultiRegionAccessPoints>().map(|ty| ty.0))
249            .set_accelerate(cfg.load::<crate::config::Accelerate>().map(|ty| ty.0))
250            .set_disable_s3_express_session_auth(cfg.load::<crate::config::DisableS3ExpressSessionAuth>().map(|ty| ty.0))
251            .set_bucket(Some(
252                _input
253                    .bucket
254                    .clone()
255                    .filter(|f| !AsRef::<str>::as_ref(f).trim().is_empty())
256                    .ok_or_else(|| ::aws_smithy_types::error::operation::BuildError::missing_field("bucket", "A required field was not set"))?,
257            ))
258            .build()
259            .map_err(|err| {
260                ::aws_smithy_runtime_api::client::interceptors::error::ContextAttachedError::new("endpoint params could not be built", err)
261            })?;
262        cfg.interceptor_state()
263            .store_put(::aws_smithy_runtime_api::client::endpoint::EndpointResolverParams::new(params));
264        ::std::result::Result::Ok(())
265    }
266}
267
268// The get_* functions below are generated from JMESPath expressions in the
269// operationContextParams trait. They target the operation's input shape.
270
271#[allow(unreachable_code, unused_variables)]
272#[cfg(test)]
273mod head_bucket_test {
274
275    /// This test case validates https://github.com/smithy-lang/smithy-rs/issues/456
276    /// Test ID: HeadObjectEmptyBody
277    #[::tokio::test]
278    #[::tracing_test::traced_test]
279    async fn head_object_empty_body_response() {
280        let expected_output = crate::types::error::NotFound::builder().build();
281        let mut http_response = ::aws_smithy_runtime_api::http::Response::try_from(
282            ::http::response::Builder::new()
283                .header("content-type", "application/xml")
284                .header("date", "Thu, 03 Jun 2021 04:05:52 GMT")
285                .header("server", "AmazonS3")
286                .header(
287                    "x-amz-id-2",
288                    "UTniwu6QmCIjVeuK2ZfeWBOnu7SqMQOS3Vac6B/K4H2ZCawYUl+nDbhGTImuyhZ5DFiojR3Kcz4=",
289                )
290                .header("x-amz-request-id", "GRZ6BZ468DF52F2E")
291                .status(404)
292                .body(::aws_smithy_types::body::SdkBody::from(""))
293                .unwrap(),
294        )
295        .unwrap();
296        use ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugin;
297        use ::aws_smithy_runtime_api::client::ser_de::DeserializeResponse;
298
299        let op = crate::operation::head_bucket::HeadBucket::new();
300        let config = op.config().expect("the operation has config");
301        let de = config
302            .load::<::aws_smithy_runtime_api::client::ser_de::SharedResponseDeserializer>()
303            .expect("the config must have a deserializer");
304
305        let parsed = de.deserialize_streaming(&mut http_response);
306        let parsed = parsed.unwrap_or_else(|| {
307            let http_response = http_response.map(|body| {
308                ::aws_smithy_types::body::SdkBody::from(::bytes::Bytes::copy_from_slice(&::aws_smithy_protocol_test::decode_body_data(
309                    body.bytes().unwrap(),
310                    ::aws_smithy_protocol_test::MediaType::from("application/xml"),
311                )))
312            });
313            de.deserialize_nonstreaming(&http_response)
314        });
315        let parsed = parsed.expect_err("should be error response");
316        let parsed: &crate::operation::head_bucket::HeadBucketError = parsed.as_operation_error().expect("operation error").downcast_ref().unwrap();
317        if let crate::operation::head_bucket::HeadBucketError::NotFound(parsed) = parsed {
318            ::pretty_assertions::assert_eq!(parsed.message, expected_output.message, "Unexpected value for `message`");
319        } else {
320            panic!("wrong variant: Got: {:?}. Expected: {:?}", parsed, expected_output);
321        }
322    }
323}
324
325/// Error type for the `HeadBucketError` operation.
326#[non_exhaustive]
327#[derive(::std::fmt::Debug)]
328pub enum HeadBucketError {
329    /// <p>The specified content does not exist.</p>
330    NotFound(crate::types::error::NotFound),
331    /// An unexpected error occurred (e.g., invalid JSON returned by the service or an unknown error code).
332    #[deprecated(note = "Matching `Unhandled` directly is not forwards compatible. Instead, match using a \
333    variable wildcard pattern and check `.code()`:
334     \
335    &nbsp;&nbsp;&nbsp;`err if err.code() == Some(\"SpecificExceptionCode\") => { /* handle the error */ }`
336     \
337    See [`ProvideErrorMetadata`](#impl-ProvideErrorMetadata-for-HeadBucketError) for what information is available for the error.")]
338    Unhandled(crate::error::sealed_unhandled::Unhandled),
339}
340impl HeadBucketError {
341    /// Creates the `HeadBucketError::Unhandled` variant from any error type.
342    pub fn unhandled(
343        err: impl ::std::convert::Into<::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>>,
344    ) -> Self {
345        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
346            source: err.into(),
347            meta: ::std::default::Default::default(),
348        })
349    }
350
351    /// Creates the `HeadBucketError::Unhandled` variant from an [`ErrorMetadata`](::aws_smithy_types::error::ErrorMetadata).
352    pub fn generic(err: ::aws_smithy_types::error::ErrorMetadata) -> Self {
353        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
354            source: err.clone().into(),
355            meta: err,
356        })
357    }
358    ///
359    /// Returns error metadata, which includes the error code, message,
360    /// request ID, and potentially additional information.
361    ///
362    pub fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
363        match self {
364            Self::NotFound(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
365            Self::Unhandled(e) => &e.meta,
366        }
367    }
368    /// Returns `true` if the error kind is `HeadBucketError::NotFound`.
369    pub fn is_not_found(&self) -> bool {
370        matches!(self, Self::NotFound(_))
371    }
372}
373impl ::std::error::Error for HeadBucketError {
374    fn source(&self) -> ::std::option::Option<&(dyn ::std::error::Error + 'static)> {
375        match self {
376            Self::NotFound(_inner) => ::std::option::Option::Some(_inner),
377            Self::Unhandled(_inner) => ::std::option::Option::Some(&*_inner.source),
378        }
379    }
380}
381impl ::std::fmt::Display for HeadBucketError {
382    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
383        match self {
384            Self::NotFound(_inner) => _inner.fmt(f),
385            Self::Unhandled(_inner) => {
386                if let ::std::option::Option::Some(code) = ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self) {
387                    write!(f, "unhandled error ({code})")
388                } else {
389                    f.write_str("unhandled error")
390                }
391            }
392        }
393    }
394}
395impl ::aws_smithy_types::retry::ProvideErrorKind for HeadBucketError {
396    fn code(&self) -> ::std::option::Option<&str> {
397        ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self)
398    }
399    fn retryable_error_kind(&self) -> ::std::option::Option<::aws_smithy_types::retry::ErrorKind> {
400        ::std::option::Option::None
401    }
402}
403impl ::aws_smithy_types::error::metadata::ProvideErrorMetadata for HeadBucketError {
404    fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
405        match self {
406            Self::NotFound(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
407            Self::Unhandled(_inner) => &_inner.meta,
408        }
409    }
410}
411impl ::aws_smithy_runtime_api::client::result::CreateUnhandledError for HeadBucketError {
412    fn create_unhandled_error(
413        source: ::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>,
414        meta: ::std::option::Option<::aws_smithy_types::error::ErrorMetadata>,
415    ) -> Self {
416        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
417            source,
418            meta: meta.unwrap_or_default(),
419        })
420    }
421}
422impl crate::s3_request_id::RequestIdExt for crate::operation::head_bucket::HeadBucketError {
423    fn extended_request_id(&self) -> Option<&str> {
424        self.meta().extended_request_id()
425    }
426}
427impl ::aws_types::request_id::RequestId for crate::operation::head_bucket::HeadBucketError {
428    fn request_id(&self) -> Option<&str> {
429        self.meta().request_id()
430    }
431}
432
433pub use crate::operation::head_bucket::_head_bucket_output::HeadBucketOutput;
434
435pub use crate::operation::head_bucket::_head_bucket_input::HeadBucketInput;
436
437mod _head_bucket_input;
438
439mod _head_bucket_output;
440
441/// Builders
442pub mod builders;