refactor: 💡 upgrade go to v1.14

.golangci.yml

@@ -22,17 +22,27 @@ linters-settings:
     line-length: 200
 
 linters:
-  enable-all: true
-  disable:
-    - gocritic
-    - scopelint
-    - prealloc
-    - maligned
-    - unparam
-    - gosimple
-    - gochecknoglobals
-    - godox
-    - funlen
+  enable:
+    - deadcode
+    - errcheck
+    - govet
+    - ineffassign
+    - staticcheck
+    - structcheck
+    - unused
+    - varcheck
+    - bodyclose
+    - depguard
+    - dupl
+    - gocyclo
+    - goimports
+    - golint
+    - gosec
+    - misspell
+    - stylecheck
+    - unconvert
+  disable-all: true
+  fast: true
 
 issues:
   exclude-use-default: false

.travis.yml

@@ -8,10 +8,10 @@ env:
   - GO111MODULE=on
 
 go:
-  - 1.13.x
+  - 1.x
 
 before_install:
-  - curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s -- -b $(go env GOPATH)/bin v1.19.1
+  - curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s -- -b $(go env GOPATH)/bin v1.23.8
 
 script:
   # Run linter

README.md

@@ -270,8 +270,11 @@ mitmConfig, err := mitm.NewConfig(x509c, privateKey, &CustomCertsStorage{
     * [X] Handle unknown content-encoding values
     * [X] Handle CONNECT to APIHost properly (without trying to actually connect anywhere)
     * [X] Allow hijacking connections (!)
+    * [X] Multiple listeners
     * [ ] Unit tests
     * [ ] Check & fix TODOs
+    * [ ] Allow specifying net.Dialer
+    * [ ] Specify timeouts for http.Transport
 * [ ] MITM
     * [X] Basic MITM
     * [X] MITM exceptions

config.go

@@ -30,7 +30,14 @@ type Config struct {
 	// 1. apihost/cert.crt -- serves the authority cert (if MITMConfig is configured)
 	APIHost string
 
+	// OnConnect is called when the proxy tries to open a net.Conn.
+	// It allows you to hijack the remote connection and replace it with your own.
 	//
+	// 1. When the proxy handles the HTTP CONNECT.
+	//    IMPORTANT: In this case we don't actually use the remote connections.
+	//    It is only used to check if the remote endpoint is available
+	// 2. When the proxy bypasses data from the client to the remote endpoint.
+	//    For instance, it could happen when there's a WebSocket connection.
 	OnConnect func(session *Session, proto string, addr string) net.Conn
 
 	// OnRequest is called when the request has been just received,

go.mod

@@ -1,11 +1,13 @@
 module github.com/AdguardTeam/gomitmproxy
 
-go 1.13
+go 1.14
 
 require (
-	github.com/AdguardTeam/golibs v0.2.4
-	github.com/pkg/errors v0.8.1
-	github.com/prometheus/common v0.7.0
-	github.com/stretchr/testify v1.4.0
-	golang.org/x/text v0.3.0
+	github.com/AdguardTeam/golibs v0.4.0
+	github.com/kr/text v0.2.0 // indirect
+	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
+	github.com/pkg/errors v0.9.1
+	github.com/stretchr/testify v1.5.1
+	golang.org/x/text v0.3.2
+	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 )

go.sum

@@ -1,74 +1,32 @@
-github.com/AdguardTeam/golibs v0.2.4 h1:GUssokegKxKF13K67Pgl0ZGwqHjNN6X7sep5ik6ORdY=
-github.com/AdguardTeam/golibs v0.2.4/go.mod h1:R3M+mAg3nWG4X4Hsag5eef/TckHFH12ZYhK7AzJc8+U=
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-github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 h1:JYp7IbQjafoB+tBA3gMyHYHrpOtNuDiK/uB5uXxq5wM=
-github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4 h1:Hs82Z41s6SdL1CELW+XaDYmOH4hkBN4/N9og/AsOv7E=
-github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
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proxy.go

@@ -115,18 +115,21 @@ func (p *Proxy) Start() error {
 		listener = tls.NewListener(l, p.TLSConfig)
 	}
 
-	go func() {
-		log.Printf("start listening to %s", l.Addr())
-		err := p.serve(listener)
-		if err != nil {
-			log.Printf("finished serving due to: %v", err)
-		}
-		_ = listener.Close()
-	}()
-
+	go p.Serve(listener)
 	return nil
 }
 
+// Serve starts reading and processing requests from the specified listener.
+// Please note, that it will close the listener in the end.
+func (p *Proxy) Serve(l net.Listener) {
+	log.Printf("start listening to %s", l.Addr())
+	err := p.serve(l)
+	if err != nil {
+		log.Printf("finished serving due to: %v", err)
+	}
+	_ = l.Close()
+}
+
 // Close sets the proxy to the closing state so it stops receiving new connections,
 // finishes processing any inflight requests, and closes existing connections without
 // reading anymore requests from them.