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fix: Bypass the response body processing in ai-proxy if it is returned internally (#1149)

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This commit is contained in:
Kent Dong
2024-07-24 16:18:00 +08:00
committed by GitHub
parent 9a9e924037
commit f6ee4ed166
4 changed files with 36 additions and 1 deletions
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6
plugins/wasm-go/extensions/ai-proxy/main.go
View File

@@ -111,6 +111,12 @@ func onHttpRequestBody(ctx wrapper.HttpContext, pluginConfig config.PluginConfig
}
func onHttpResponseHeaders(ctx wrapper.HttpContext, pluginConfig config.PluginConfig, log wrapper.Log) types.Action {
if !wrapper.IsResponseFromUpstream() {
// Response is not coming from the upstream. Let it pass through.
ctx.DontReadResponseBody()
return types.ActionContinue
}
activeProvider := pluginConfig.GetProvider()
if activeProvider == nil {

2
plugins/wasm-go/extensions/frontend-gray/go.mod
View File

@@ -6,7 +6,7 @@ replace github.com/alibaba/higress/plugins/wasm-go => ../..
require (
github.com/alibaba/higress/plugins/wasm-go v0.0.0-20240531060402-2807ddfbb79e
github.com/higress-group/proxy-wasm-go-sdk v0.0.0-20240327114451-d6b7174a84fc
github.com/higress-group/proxy-wasm-go-sdk v0.0.0-20240711023527-ba358c48772f
github.com/stretchr/testify v1.8.4
github.com/tidwall/gjson v1.17.0
)

1
plugins/wasm-go/extensions/frontend-gray/go.sum
View File

@@ -12,6 +12,7 @@ github.com/higress-group/proxy-wasm-go-sdk v0.0.0-20240226065437-8f7a0b3c9071 h1
github.com/higress-group/proxy-wasm-go-sdk v0.0.0-20240226065437-8f7a0b3c9071/go.mod h1:hNFjhrLUIq+kJ9bOcs8QtiplSQ61GZXtd2xHKx4BYRo=
github.com/higress-group/proxy-wasm-go-sdk v0.0.0-20240327114451-d6b7174a84fc h1:t2AT8zb6N/59Y78lyRWedVoVWHNRSCBh0oWCC+bluTQ=
github.com/higress-group/proxy-wasm-go-sdk v0.0.0-20240327114451-d6b7174a84fc/go.mod h1:hNFjhrLUIq+kJ9bOcs8QtiplSQ61GZXtd2xHKx4BYRo=
github.com/higress-group/proxy-wasm-go-sdk v0.0.0-20240711023527-ba358c48772f/go.mod h1:hNFjhrLUIq+kJ9bOcs8QtiplSQ61GZXtd2xHKx4BYRo=
github.com/magefile/mage v1.14.0 h1:6QDX3g6z1YvJ4olPhT1wksUcSa/V0a1B+pJb73fBjyo=
github.com/magefile/mage v1.14.0/go.mod h1:z5UZb/iS3GoOSn0JgWuiw7dxlurVYTu+/jHXqQg881A=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=

28
plugins/wasm-go/pkg/wrapper/response_wrapper.go Normal file
View File

@@ -0,0 +1,28 @@
// Copyright (c) 2022 Alibaba Group Holding Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package wrapper
import (
"github.com/higress-group/proxy-wasm-go-sdk/proxywasm"
)
func IsResponseFromUpstream() bool {
if codeDetails, err := proxywasm.GetProperty([]string{"response", "code_details"}); err == nil {
return string(codeDetails) == "via_upstream"
} else {
proxywasm.LogErrorf("get response code details failed: %v", err)
return false
}
}