aws_sdk_sts/
rest_xml_wrapped_errors.rs

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1// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
2/*
3 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7use aws_smithy_types::error::metadata::{Builder as ErrorMetadataBuilder, ErrorMetadata};
8use aws_smithy_xml::decode::{try_data, Document, ScopedDecoder, XmlDecodeError};
9
10#[allow(unused)]
11pub fn body_is_error(body: &[u8]) -> Result<bool, XmlDecodeError> {
12    let mut doc = Document::try_from(body)?;
13    let scoped = doc.root_element()?;
14    Ok(scoped.start_el().matches("ErrorResponse"))
15}
16
17#[allow(dead_code)]
18pub fn parse_error_metadata(body: &[u8]) -> Result<ErrorMetadataBuilder, XmlDecodeError> {
19    let mut doc = Document::try_from(body)?;
20    let mut root = doc.root_element()?;
21    let mut err_builder = ErrorMetadata::builder();
22    while let Some(mut tag) = root.next_tag() {
23        if tag.start_el().local() == "Error" {
24            while let Some(mut error_field) = tag.next_tag() {
25                match error_field.start_el().local() {
26                    "Code" => {
27                        err_builder = err_builder.code(try_data(&mut error_field)?);
28                    }
29                    "Message" => {
30                        err_builder = err_builder.message(try_data(&mut error_field)?);
31                    }
32                    _ => {}
33                }
34            }
35        }
36    }
37    Ok(err_builder)
38}
39
40#[allow(unused)]
41pub fn error_scope<'a, 'b>(doc: &'a mut Document<'b>) -> Result<ScopedDecoder<'b, 'a>, XmlDecodeError> {
42    let root = doc
43        .next_start_element()
44        .ok_or_else(|| XmlDecodeError::custom("no root found searching for an Error"))?;
45    if !root.matches("ErrorResponse") {
46        return Err(XmlDecodeError::custom("expected ErrorResponse as root"));
47    }
48
49    while let Some(el) = doc.next_start_element() {
50        if el.matches("Error") && el.depth() == 1 {
51            return Ok(doc.scoped_to(el));
52        }
53        // otherwise, ignore it
54    }
55    Err(XmlDecodeError::custom("no error found inside of ErrorResponse"))
56}
57
58#[cfg(test)]
59mod test {
60    use super::{body_is_error, parse_error_metadata};
61    use crate::rest_xml_wrapped_errors::error_scope;
62    use aws_smithy_xml::decode::Document;
63
64    #[test]
65    fn parse_wrapped_error() {
66        let xml = br#"<ErrorResponse>
67    <Error>
68        <Type>Sender</Type>
69        <Code>InvalidGreeting</Code>
70        <Message>Hi</Message>
71        <AnotherSetting>setting</AnotherSetting>
72        <Ignore><This/></Ignore>
73    </Error>
74    <RequestId>foo-id</RequestId>
75</ErrorResponse>"#;
76        assert!(body_is_error(xml).unwrap());
77        let parsed = parse_error_metadata(xml).expect("valid xml").build();
78        assert_eq!(parsed.message(), Some("Hi"));
79        assert_eq!(parsed.code(), Some("InvalidGreeting"));
80    }
81
82    #[test]
83    fn test_error_scope() {
84        let xml: &[u8] = br#"<ErrorResponse>
85    <RequestId>foo-id</RequestId>
86    <MorePreamble>foo-id</RequestId>
87    <Sneaky><Error>These are not the errors you are looking for</Error></Sneaky>
88    <Error>
89        <Type>Sender</Type>
90        <Code>InvalidGreeting</Code>
91        <Message>Hi</Message>
92        <AnotherSetting>setting</AnotherSetting>
93        <Ignore><This/></Ignore>
94    </Error>
95    <RequestId>foo-id</RequestId>
96</ErrorResponse>"#;
97        let mut doc = Document::try_from(xml).expect("valid");
98        let mut error = error_scope(&mut doc).expect("contains error");
99        let mut keys = vec![];
100        while let Some(tag) = error.next_tag() {
101            keys.push(tag.start_el().local().to_owned());
102            // read this the full contents of this element
103        }
104        assert_eq!(keys, vec!["Type", "Code", "Message", "AnotherSetting", "Ignore",])
105    }
106}
aws_sdk_sts/rest_xml_wrapped_errors.rs

aws_sdk_sts/
rest_xml_wrapped_errors.rs
