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6fea34acda
This is a hack to replace the ignored headers in the aws-sdk-go-v2 internal/v4 package. The headers in the default ignore list include User-Agent, but this is included is signed headers from some clients. fixes #396
49 lines
1.8 KiB
Go
49 lines
1.8 KiB
Go
// Copyright 2023 Versity Software
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// This file is licensed under the Apache License, Version 2.0
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// (the "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package utils
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import (
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"reflect"
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"unsafe"
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)
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// This is a hack to replace the default IgnoredHeaders in the aws-sdk-go-v2
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// internal/v4 package. Some AWS applications
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// (e.g. AWS Java SDK v1, Athena JDBC driver, s3 browser) sign the requests
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// including the User-Agent header. The aws sdk doesn't allow directly
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// modifying the ignored header list. Below is a hack to replace this list
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// with our own.
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type Rule interface {
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IsValid(value string) bool
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}
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type Rules []Rule
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//go:linkname __ignoredHeaders github.com/aws/aws-sdk-go-v2/aws/signer/internal/v4.IgnoredHeaders
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var __ignoredHeaders unsafe.Pointer
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func init() {
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// Avoids "go.info.github.com/aws/aws-sdk-go-v2/aws/signer/internal/v4.IgnoredHeaders:
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// relocation target go.info.github.com/xxx/xxx/xxx.Rules not defined"
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var ignoredHeaders = (*Rules)(unsafe.Pointer(&__ignoredHeaders))
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// clear the map, and set just the ignored headers we want
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reflect.ValueOf((*ignoredHeaders)[0]).FieldByName("Rule").Elem().Clear()
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reflect.ValueOf((*ignoredHeaders)[0]).FieldByName("Rule").Elem().SetMapIndex(
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reflect.ValueOf("Authorization"), reflect.ValueOf(struct{}{}))
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reflect.ValueOf((*ignoredHeaders)[0]).FieldByName("Rule").Elem().SetMapIndex(
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reflect.ValueOf("Expect"), reflect.ValueOf(struct{}{}))
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}
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