- Implements Apache APISIX packaging for Cloudron platform. - Includes Dockerfile, CloudronManifest.json, and start.sh. - Configured to use Cloudron's etcd addon. 🤖 Generated with Gemini CLI Co-Authored-By: Gemini <noreply@google.com>
115 lines
3.0 KiB
Go
115 lines
3.0 KiB
Go
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* 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, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package main
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import (
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"github.com/tetratelabs/proxy-wasm-go-sdk/proxywasm"
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"github.com/tetratelabs/proxy-wasm-go-sdk/proxywasm/types"
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"github.com/valyala/fastjson"
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)
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func main() {
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proxywasm.SetVMContext(&vmContext{})
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}
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type vmContext struct {
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types.DefaultVMContext
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}
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func (*vmContext) NewPluginContext(contextID uint32) types.PluginContext {
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return &pluginContext{}
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}
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type header struct {
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Name string
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Value string
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}
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type pluginContext struct {
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types.DefaultPluginContext
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Headers []header
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Body []byte
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}
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func (ctx *pluginContext) OnPluginStart(pluginConfigurationSize int) types.OnPluginStartStatus {
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data, err := proxywasm.GetPluginConfiguration()
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if err != nil {
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proxywasm.LogErrorf("error reading plugin configuration: %v", err)
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return types.OnPluginStartStatusFailed
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}
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var p fastjson.Parser
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v, err := p.ParseBytes(data)
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if err != nil {
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proxywasm.LogErrorf("error decoding plugin configuration: %v", err)
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return types.OnPluginStartStatusFailed
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}
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headers := v.GetArray("headers")
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ctx.Headers = make([]header, len(headers))
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for i, hdr := range headers {
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ctx.Headers[i] = header{
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Name: string(hdr.GetStringBytes("name")),
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Value: string(hdr.GetStringBytes("value")),
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}
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}
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body := v.GetStringBytes("body")
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ctx.Body = body
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return types.OnPluginStartStatusOK
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}
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func (ctx *pluginContext) NewHttpContext(contextID uint32) types.HttpContext {
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return &httpContext{parent: ctx}
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}
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type httpContext struct {
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types.DefaultHttpContext
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parent *pluginContext
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}
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func (ctx *httpContext) OnHttpResponseHeaders(numHeaders int, endOfStream bool) types.Action {
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plugin := ctx.parent
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for _, hdr := range plugin.Headers {
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proxywasm.ReplaceHttpResponseHeader(hdr.Name, hdr.Value)
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}
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if len(plugin.Body) > 0 {
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proxywasm.SetProperty([]string{"wasm_process_resp_body"}, []byte("true"))
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}
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return types.ActionContinue
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}
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func (ctx *httpContext) OnHttpResponseBody(bodySize int, endOfStream bool) types.Action {
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plugin := ctx.parent
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if len(plugin.Body) > 0 && !endOfStream {
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// TODO support changing body
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body, err := proxywasm.GetHttpResponseBody(0, bodySize)
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if err != nil {
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proxywasm.LogErrorf("failed to get body: %v", err)
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return types.ActionContinue
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}
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proxywasm.LogWarnf("get body [%s]", string(body))
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}
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return types.ActionContinue
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}
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