Merge branch 'master' of https://github.com/labstack/echo

.github/workflows/echo.yml

@@ -4,20 +4,28 @@ on:
   push:
     branches:
       - master
+    paths:
+      - '**.go'
+      - 'go.*'
+      - '_fixture/**'
+      - '.github/**'
+      - 'codecov.yml'
   pull_request:
     branches:
       - master
-
-env:
-  GO111MODULE: on
-  GOPROXY: https://proxy.golang.org
+    paths:
+      - '**.go'
+      - 'go.*'
+      - '_fixture/**'
+      - '.github/**'
+      - 'codecov.yml'
 
 jobs:
   test:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        go: [1.11, 1.12, 1.13]
+        go: [1.12, 1.13, 1.14, 1.15]
     name: ${{ matrix.os }} @ Go ${{ matrix.go }}
     runs-on: ${{ matrix.os }}
     steps:
@@ -28,10 +36,15 @@ jobs:
 
       - name: Set GOPATH and PATH
         run: |
-          echo "::set-env name=GOPATH::$(dirname $GITHUB_WORKSPACE)"
-          echo "::add-path::$(dirname $GITHUB_WORKSPACE)/bin"
+          echo "GOPATH=$(dirname $GITHUB_WORKSPACE)" >> $GITHUB_ENV
+          echo "$(dirname $GITHUB_WORKSPACE)/bin" >> $GITHUB_PATH
         shell: bash
 
+      - name: Set build variables
+        run: |
+          echo "GOPROXY=https://proxy.golang.org" >> $GITHUB_ENV
+          echo "GO111MODULE=on" >> $GITHUB_ENV
+
       - name: Checkout Code
         uses: actions/checkout@v1
         with:
@@ -51,3 +64,55 @@ jobs:
         with:
           token:
           fail_ci_if_error: false
+  benchmark:
+    needs: test
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        go: [1.15]
+    name: Benchmark comparison ${{ matrix.os }} @ Go ${{ matrix.go }}
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Set up Go ${{ matrix.go }}
+        uses: actions/setup-go@v1
+        with:
+          go-version: ${{ matrix.go }}
+
+      - name: Set GOPATH and PATH
+        run: |
+          echo "GOPATH=$(dirname $GITHUB_WORKSPACE)" >> $GITHUB_ENV
+          echo "$(dirname $GITHUB_WORKSPACE)/bin" >> $GITHUB_PATH
+        shell: bash
+
+      - name: Set build variables
+        run: |
+          echo "GOPROXY=https://proxy.golang.org" >> $GITHUB_ENV
+          echo "GO111MODULE=on" >> $GITHUB_ENV
+
+      - name: Checkout Code (Previous)
+        uses: actions/checkout@v2
+        with:
+          ref: ${{ github.base_ref }}
+          path: previous
+
+      - name: Checkout Code (New)
+        uses: actions/checkout@v2
+        with:
+          path: new
+
+      - name: Install Dependencies
+        run: go get -v golang.org/x/perf/cmd/benchstat
+
+      - name: Run Benchmark (Previous)
+        run: |
+          cd previous
+          go test -run="-" -bench=".*" -count=8 ./... > benchmark.txt
+
+      - name: Run Benchmark (New)
+        run: |
+          cd new
+          go test -run="-" -bench=".*" -count=8 ./... > benchmark.txt
+
+      - name: Run Benchstat
+        run: |
+          benchstat previous/benchmark.txt new/benchmark.txt

.travis.yml

@@ -1,7 +1,11 @@
+arch:
+  - amd64
+  - ppc64le
+
 language: go
 go:
-  - 1.12.x
-  - 1.13.x
+  - 1.14.x
+  - 1.15.x
   - tip
 env:
   - GO111MODULE=on

README.md

@@ -1,7 +1,7 @@
 <a href="https://echo.labstack.com"><img height="80" src="https://cdn.labstack.com/images/echo-logo.svg"></a>
 
 [![Sourcegraph](https://sourcegraph.com/github.com/labstack/echo/-/badge.svg?style=flat-square)](https://sourcegraph.com/github.com/labstack/echo?badge)
-[![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](http://godoc.org/github.com/labstack/echo)
+[![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](https://pkg.go.dev/github.com/labstack/echo/v4)
 [![Go Report Card](https://goreportcard.com/badge/github.com/labstack/echo?style=flat-square)](https://goreportcard.com/report/github.com/labstack/echo)
 [![Build Status](http://img.shields.io/travis/labstack/echo.svg?style=flat-square)](https://travis-ci.org/labstack/echo)
 [![Codecov](https://img.shields.io/codecov/c/github/labstack/echo.svg?style=flat-square)](https://codecov.io/gh/labstack/echo)
@@ -17,7 +17,7 @@ Therefore a Go version capable of understanding /vN suffixed imports is required
 
 - 1.9.7+
 - 1.10.3+
-- 1.11+
+- 1.14+
 
 Any of these versions will allow you to import Echo as `github.com/labstack/echo/v4` which is the recommended
 way of using Echo going forward.
@@ -52,7 +52,7 @@ Lower is better!
 
 ### Installation
 
-```go
+```sh
 // go get github.com/labstack/echo/{version}
 go get github.com/labstack/echo/v4
 ```

_fixture/_fixture/README.md

@@ -0,0 +1 @@
+This directory is used for the static middleware test

bind_test.go

@@ -332,7 +332,6 @@ func TestBindbindData(t *testing.T) {
 
 func TestBindParam(t *testing.T) {
 	e := New()
-	*e.maxParam = 2
 	req := httptest.NewRequest(GET, "/", nil)
 	rec := httptest.NewRecorder()
 	c := e.NewContext(req, rec)
@@ -363,7 +362,6 @@ func TestBindParam(t *testing.T) {
 	// Bind something with param and post data payload
 	body := bytes.NewBufferString(`{ "name": "Jon Snow" }`)
 	e2 := New()
-	*e2.maxParam = 2
 	req2 := httptest.NewRequest(POST, "/", body)
 	req2.Header.Set(HeaderContentType, MIMEApplicationJSON)
 

codecov.yml

@@ -0,0 +1,11 @@
+coverage:
+  status:
+    project:
+      default:
+        threshold: 1%
+    patch:
+      default:
+        threshold: 1%
+
+comment:
+  require_changes: true

context.go

@@ -276,7 +276,11 @@ func (c *context) RealIP() string {
 	}
 	// Fall back to legacy behavior
 	if ip := c.request.Header.Get(HeaderXForwardedFor); ip != "" {
-		return strings.Split(ip, ", ")[0]
+		i := strings.IndexAny(ip, ", ")
+		if i > 0 {
+			return ip[:i]
+		}
+		return ip
 	}
 	if ip := c.request.Header.Get(HeaderXRealIP); ip != "" {
 		return ip
@@ -310,17 +314,15 @@ func (c *context) ParamNames() []string {
 
 func (c *context) SetParamNames(names ...string) {
 	c.pnames = names
+	*c.echo.maxParam = len(names)
 }
 
 func (c *context) ParamValues() []string {
 	return c.pvalues[:len(c.pnames)]
 }
 
 func (c *context) SetParamValues(values ...string) {
-	// NOTE: Don't just set c.pvalues = values, because it has to have length c.echo.maxParam at all times
-	for i, val := range values {
-		c.pvalues[i] = val
-	}
+	c.pvalues = values
 }
 
 func (c *context) QueryParam(name string) string {
@@ -363,7 +365,7 @@ func (c *context) FormFile(name string) (*multipart.FileHeader, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer f.Close()
+	f.Close()
 	return fh, nil
 }
 

context_test.go

@@ -72,6 +72,15 @@ func BenchmarkAllocXML(b *testing.B) {
 	}
 }
 
+func BenchmarkRealIPForHeaderXForwardFor(b *testing.B) {
+	c := context{request: &http.Request{
+		Header: http.Header{HeaderXForwardedFor: []string{"127.0.0.1, 127.0.1.1, "}},
+	}}
+	for i := 0; i < b.N; i++ {
+		c.RealIP()
+	}
+}
+
 func (t *Template) Render(w io.Writer, name string, data interface{}, c Context) error {
 	return t.templates.ExecuteTemplate(w, name, data)
 }
@@ -93,7 +102,6 @@ func (responseWriterErr) WriteHeader(statusCode int) {
 
 func TestContext(t *testing.T) {
 	e := New()
-	*e.maxParam = 1
 	req := httptest.NewRequest(http.MethodPost, "/", strings.NewReader(userJSON))
 	rec := httptest.NewRecorder()
 	c := e.NewContext(req, rec).(*context)
@@ -472,7 +480,6 @@ func TestContextPath(t *testing.T) {
 
 func TestContextPathParam(t *testing.T) {
 	e := New()
-	*e.maxParam = 2
 	req := httptest.NewRequest(http.MethodGet, "/", nil)
 	c := e.NewContext(req, nil)
 
@@ -491,7 +498,8 @@ func TestContextPathParam(t *testing.T) {
 
 func TestContextGetAndSetParam(t *testing.T) {
 	e := New()
-	*e.maxParam = 2
+	r := e.Router()
+	r.Add(http.MethodGet, "/:foo", func(Context) error { return nil })
 	req := httptest.NewRequest(http.MethodGet, "/:foo", nil)
 	c := e.NewContext(req, nil)
 	c.SetParamNames("foo")
@@ -848,6 +856,14 @@ func TestContext_RealIP(t *testing.T) {
 			},
 			"127.0.0.1",
 		},
+		{
+			&context{
+				request: &http.Request{
+					Header: http.Header{HeaderXForwardedFor: []string{"127.0.0.1"}},
+				},
+			},
+			"127.0.0.1",
+		},
 		{
 			&context{
 				request: &http.Request{