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feat(wasm): run in http header_filter (#5544)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| # | ||
| # Licensed to the Apache Software Foundation (ASF) under one or more | ||
| # contributor license agreements. See the NOTICE file distributed with | ||
| # this work for additional information regarding copyright ownership. | ||
| # The ASF licenses this file to You 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. | ||
| # | ||
| use t::APISIX; | ||
|
|
||
| my $nginx_binary = $ENV{'TEST_NGINX_BINARY'} || 'nginx'; | ||
| my $version = eval { `$nginx_binary -V 2>&1` }; | ||
|
|
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| if ($version !~ m/\/apisix-nginx-module/) { | ||
| plan(skip_all => "apisix-nginx-module not installed"); | ||
| } else { | ||
| plan('no_plan'); | ||
| } | ||
|
|
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| add_block_preprocessor(sub { | ||
| my ($block) = @_; | ||
|
|
||
| if ((!defined $block->error_log) && (!defined $block->no_error_log)) { | ||
| $block->set_value("no_error_log", "[error]"); | ||
| } | ||
|
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| if (!defined $block->request) { | ||
| $block->set_value("request", "GET /t"); | ||
| } | ||
|
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| my $extra_yaml_config = <<_EOC_; | ||
| wasm: | ||
| plugins: | ||
| - name: wasm-response-rewrite | ||
| priority: 7997 | ||
| file: t/wasm/response-rewrite/main.go.wasm | ||
| _EOC_ | ||
| $block->set_value("extra_yaml_config", $extra_yaml_config); | ||
| }); | ||
|
|
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| run_tests(); | ||
|
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| __DATA__ | ||
| === TEST 1: response rewrite headers | ||
| --- config | ||
| location /t { | ||
| content_by_lua_block { | ||
| local t = require("lib.test_admin").test | ||
| local code, body = t('/apisix/admin/routes/1', | ||
| ngx.HTTP_PUT, | ||
| [[{ | ||
| "uri": "/hello", | ||
| "upstream": { | ||
| "type": "roundrobin", | ||
| "nodes": { | ||
| "127.0.0.1:1980": 1 | ||
| } | ||
| }, | ||
| "plugins": { | ||
| "wasm-response-rewrite": { | ||
| "conf": "{\"headers\":[{\"name\":\"x-wasm\",\"value\":\"apisix\"}]}" | ||
| } | ||
| } | ||
| }]] | ||
| ) | ||
| if code >= 300 then | ||
| ngx.status = code | ||
| ngx.say(body) | ||
| return | ||
| end | ||
| ngx.say(body) | ||
| } | ||
| } | ||
| --- response_body | ||
| passed | ||
| === TEST 2: hit | ||
| --- request | ||
| GET /hello | ||
| --- response_headers | ||
| x-wasm: apisix |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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 main | ||
|
|
||
| import ( | ||
| "github.com/tetratelabs/proxy-wasm-go-sdk/proxywasm" | ||
| "github.com/tetratelabs/proxy-wasm-go-sdk/proxywasm/types" | ||
|
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| "github.com/valyala/fastjson" | ||
| ) | ||
|
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| func main() { | ||
| proxywasm.SetVMContext(&vmContext{}) | ||
| } | ||
|
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| type vmContext struct { | ||
| types.DefaultVMContext | ||
| } | ||
|
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| func (*vmContext) NewPluginContext(contextID uint32) types.PluginContext { | ||
| return &pluginContext{} | ||
| } | ||
|
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| type header struct { | ||
| Name string | ||
| Value string | ||
| } | ||
|
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| type pluginContext struct { | ||
| types.DefaultPluginContext | ||
| Headers []header | ||
| } | ||
|
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| func (ctx *pluginContext) OnPluginStart(pluginConfigurationSize int) types.OnPluginStartStatus { | ||
| data, err := proxywasm.GetPluginConfiguration() | ||
| if err != nil { | ||
| proxywasm.LogErrorf("error reading plugin configuration: %v", err) | ||
| return types.OnPluginStartStatusFailed | ||
| } | ||
|
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| var p fastjson.Parser | ||
| v, err := p.ParseBytes(data) | ||
| if err != nil { | ||
| proxywasm.LogErrorf("erorr decoding plugin configuration: %v", err) | ||
| return types.OnPluginStartStatusFailed | ||
| } | ||
| headers := v.GetArray("headers") | ||
| ctx.Headers = make([]header, len(headers)) | ||
| for i, hdr := range headers { | ||
| ctx.Headers[i] = header{ | ||
| Name: string(hdr.GetStringBytes("name")), | ||
| Value: string(hdr.GetStringBytes("value")), | ||
| } | ||
| } | ||
|
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| return types.OnPluginStartStatusOK | ||
| } | ||
|
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| func (ctx *pluginContext) NewHttpContext(contextID uint32) types.HttpContext { | ||
| return &httpContext{parent: ctx} | ||
| } | ||
|
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| type httpContext struct { | ||
| types.DefaultHttpContext | ||
| parent *pluginContext | ||
| } | ||
|
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| func (ctx *httpContext) OnHttpResponseHeaders(numHeaders int, endOfStream bool) types.Action { | ||
| plugin := ctx.parent | ||
| for _, hdr := range plugin.Headers { | ||
| proxywasm.ReplaceHttpResponseHeader(hdr.Name, hdr.Value) | ||
| } | ||
| return types.ActionContinue | ||
| } |