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support variables in modify request,response middlewares

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This commit is contained in:
yusing
2024-12-03 10:20:18 +08:00
parent cd749ac6a4
commit ef1863f810
15 changed files with 291 additions and 114 deletions
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41
internal/net/http/middleware/test_utils.go
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@@ -7,7 +7,6 @@ import (
"io"
"net/http"
"net/http/httptest"
"net/url"
"github.com/yusing/go-proxy/internal/common"
E "github.com/yusing/go-proxy/internal/error"
@@ -19,8 +18,6 @@ import (
var testHeadersRaw []byte
var testHeaders http.Header
const testHost = "example.com"
func init() {
if !common.IsTest {
return
@@ -67,16 +64,16 @@ type TestResult struct {
type testArgs struct {
middlewareOpt OptionsRaw
proxyURL string
reqURL types.URL
upstreamURL types.URL
body []byte
scheme string
realRoundTrip bool
headers http.Header
}
func newMiddlewareTest(middleware *Middleware, args *testArgs) (*TestResult, E.Error) {
var body io.Reader
var rr requestRecorder
var proxyURL *url.URL
var requestTarget string
var err error
if args == nil {
@@ -87,34 +84,24 @@ func newMiddlewareTest(middleware *Middleware, args *testArgs) (*TestResult, E.E
body = bytes.NewReader(args.body)
}
switch args.scheme {
case "":
fallthrough
case "http":
requestTarget = "http://" + testHost
case "https":
requestTarget = "https://" + testHost
default:
panic("typo?")
if args.reqURL.Nil() {
args.reqURL = E.Must(types.ParseURL("https://example.com"))
}
req := httptest.NewRequest(http.MethodGet, requestTarget, body)
req := httptest.NewRequest(http.MethodGet, args.reqURL.String(), body)
for k, v := range args.headers {
req.Header[k] = v
}
w := httptest.NewRecorder()
if args.scheme == "https" && req.TLS == nil {
panic("bug occurred")
if args.upstreamURL.Nil() {
args.upstreamURL = E.Must(types.ParseURL("https://10.0.0.1:8443")) // dummy url, no actual effect
}
if args.proxyURL != "" {
proxyURL, err = url.Parse(args.proxyURL)
if err != nil {
return nil, E.From(err)
}
if args.realRoundTrip {
rr.parent = http.DefaultTransport
} else {
proxyURL, _ = url.Parse("https://" + testHost) // dummy url, no actual effect
}
rp := gphttp.NewReverseProxy(middleware.name, types.NewURL(proxyURL), &rr)
rp := gphttp.NewReverseProxy(middleware.name, args.upstreamURL, &rr)
mid, setOptErr := middleware.WithOptionsClone(args.middlewareOpt)
if setOptErr != nil {
return nil, setOptErr