Merge branch 'master' into patch-1

.golangci.toml

 
 [linters]
 enable-all = true
+disable = ["gochecknoglobals"]

.travis.yml

 script:
   - make all
   - make lint
-  - make critic
   - make test
 
 matrix:

Makefile

 
 CC_BINARIES  := $(shell bash -c "echo -n $(APP_NAME)-{linux,freebsd,openbsd}-{386,amd64} $(APP_NAME)-linux-{arm,arm64}")
 
-GOLANGCI_LINT_VERSION := v1.11.2
+GOLANGCI_LINT_VERSION := v1.13
 
 VERSION_GO         := $(shell go version)
 VERSION_DATE       := $(shell date -Ru)
 lint: vendor
 	@$(MOD_OFF) golangci-lint run
 
-.PHONY: critic
-critic: vendor
-	@$(MOD_OFF) gocritic check-project "$(ROOT_DIR)"
-
 .PHONY: clean
 clean:
 	@git clean -xfd && \
 	@docker build --pull -t "$(IMAGE_NAME)" "$(ROOT_DIR)"
 
 .PHONY: prepare
-prepare: install-lint install-critic
+prepare: install-lint
 
 .PHONY: install-lint
 install-lint:
 	@curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh \
 		| $(MOD_OFF) bash -s -- -b $(GOPATH)/bin $(GOLANGCI_LINT_VERSION)
-
-.PHONY: install-critic
-install-critic:
-	@$(MOD_OFF) go get -u github.com/go-critic/go-critic/...

README.md

 docker run --name mtg --restart=unless-stopped -p 3128:3128 -p 3129:3129 -d nineseconds/mtg:stable dd$(openssl rand -hex 16)
 ```
 
-or in secret ONLY mode:
-
-```console
-docker run --name mtg --restart=unless-stopped -p 3128:3128 -p 3129:3129 -d nineseconds/mtg:stable -s dd$(openssl rand -hex 16)
-```
-
 You will have this tool up and running on port 3128. Now curl
 `localhost:3129` to get `tg://` links or do `docker logs mtg`. Also,
 port 3129 will show you some statistics if you are interested in.

go.mod

 module github.com/9seconds/mtg
 
 require (
-	github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc // indirect
-	github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf // indirect
 	github.com/beevik/ntp v0.2.0
-	github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dustin/go-humanize v1.0.0
-	github.com/gofrs/uuid v3.1.0+incompatible
-	github.com/gogo/protobuf v1.1.1 // indirect
-	github.com/golang/protobuf v1.2.0 // indirect
-	github.com/juju/errors v0.0.0-20181012004132-a4583d0a56ea
+	github.com/gofrs/uuid v3.2.0+incompatible
+	github.com/juju/errors v0.0.0-20181118221551-089d3ea4e4d5
 	github.com/juju/loggo v0.0.0-20180524022052-584905176618 // indirect
 	github.com/juju/testing v0.0.0-20180920084828-472a3e8b2073 // indirect
 	github.com/kr/pretty v0.1.0 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
-	github.com/pkg/errors v0.8.0 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_golang v0.9.0
-	github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910 // indirect
-	github.com/prometheus/common v0.0.0-20181020173914-7e9e6cabbd39 // indirect
-	github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d // indirect
-	github.com/stretchr/testify v1.2.2
+	github.com/pkg/errors v0.8.1 // indirect
+	github.com/prometheus/client_golang v0.9.2
+	github.com/prometheus/client_model v0.0.0-20190115171406-56726106282f // indirect
+	github.com/prometheus/common v0.1.0 // indirect
+	github.com/prometheus/procfs v0.0.0-20190117184657-bf6a532e95b1 // indirect
+	github.com/stretchr/testify v1.3.0
 	go.uber.org/atomic v1.3.2 // indirect
 	go.uber.org/multierr v1.1.0 // indirect
 	go.uber.org/zap v1.9.1
-	golang.org/x/net v0.0.0-20181102091132-c10e9556a7bc // indirect
-	golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f // indirect
+	golang.org/x/net v0.0.0-20190119204137-ed066c81e75e // indirect
+	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 // indirect
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
 	gopkg.in/alexcesaro/statsd.v2 v2.0.0
 	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 	gopkg.in/mgo.v2 v2.0.0-20180705113604-9856a29383ce // indirect
-	gopkg.in/yaml.v2 v2.2.1 // indirect
+	gopkg.in/yaml.v2 v2.2.2 // indirect
 )

go.sum

 github.com/beevik/ntp v0.2.0/go.mod h1:hIHWr+l3+/clUnF44zdK+CWW7fO8dR5cIylAQ76NRpg=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
-github.com/gofrs/uuid v3.1.0+incompatible h1:q2rtkjaKT4YEr6E1kamy0Ha4RtepWlQBedyHx0uzKwA=
-github.com/gofrs/uuid v3.1.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
+github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
+github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
+github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
+github.com/gofrs/uuid v3.2.0+incompatible h1:y12jRkkFxsd7GpqdSZ+/KCs/fJbqpEXSGd4+jfEaewE=
+github.com/gofrs/uuid v3.2.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/gogo/protobuf v1.1.1 h1:72R+M5VuhED/KujmZVcIquuo8mBgX4oVda//DQb3PXo=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/juju/errors v0.0.0-20181012004132-a4583d0a56ea h1:g2k+8WR7cHch4g0tBDhfiEvAp7fXxTNBiD1oC1Oxj3E=
-github.com/juju/errors v0.0.0-20181012004132-a4583d0a56ea/go.mod h1:W54LbzXuIE0boCoNJfwqpmkKJ1O4TCTZMetAt6jGk7Q=
+github.com/juju/errors v0.0.0-20181118221551-089d3ea4e4d5 h1:rhqTjzJlm7EbkELJDKMTU7udov+Se0xZkWmugr6zGok=
+github.com/juju/errors v0.0.0-20181118221551-089d3ea4e4d5/go.mod h1:W54LbzXuIE0boCoNJfwqpmkKJ1O4TCTZMetAt6jGk7Q=
 github.com/juju/loggo v0.0.0-20180524022052-584905176618 h1:MK144iBQF9hTSwBW/9eJm034bVoG30IshVm688T2hi8=
 github.com/juju/loggo v0.0.0-20180524022052-584905176618/go.mod h1:vgyd7OREkbtVEN/8IXZe5Ooef3LQePvuBm9UWj6ZL8U=
 github.com/juju/testing v0.0.0-20180920084828-472a3e8b2073 h1:WQM1NildKThwdP7qWrNAFGzp4ijNLw8RlgENkaI4MJs=
 github.com/juju/testing v0.0.0-20180920084828-472a3e8b2073/go.mod h1:63prj8cnj0tU0S9OHjGJn+b1h0ZghCndfnbQolrYTwA=
+github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
+github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
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 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
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+github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/prometheus/client_golang v0.9.0 h1:tXuTFVHC03mW0D+Ua1Q2d1EAVqLTuggX50V0VLICCzY=
-github.com/prometheus/client_golang v0.9.0/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
+github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
+github.com/prometheus/client_golang v0.9.2 h1:awm861/B8OKDd2I/6o1dy3ra4BamzKhYOiGItCeZ740=
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 github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910 h1:idejC8f05m9MGOsuEi1ATq9shN03HrxNkD/luQvxCv8=
 github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
-github.com/prometheus/common v0.0.0-20181020173914-7e9e6cabbd39 h1:Cto4X6SVMWRPBkJ/3YHn1iDGDGc/Z+sW+AEMKHMVvN4=
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 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
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 gopkg.in/alecthomas/kingpin.v2 v2.2.6 h1:jMFz6MfLP0/4fUyZle81rXUoxOBFi19VUFKVDOQfozc=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/alexcesaro/statsd.v2 v2.0.0 h1:FXkZSCZIH17vLCO5sO2UucTHsH9pc+17F6pl3JVCwMc=
 gopkg.in/mgo.v2 v2.0.0-20180705113604-9856a29383ce/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
 gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

main.go

 	adtag  = app.Arg("adtag", "ADTag of the proxy.").HexBytes()
 )
 
-func init() {
+func main() { // nolint: gocyclo
 	rand.Seed(time.Now().UTC().UnixNano())
 	app.Version(version)
 	app.HelpFlag.Short('h')
-}
 
-func main() { // nolint: gocyclo
 	kingpin.MustParse(app.Parse(os.Args[1:]))
 
 	err := setRLimit()

mtproto/rpc/rpc.go

 	ProxyRequestExtraSize = []byte{0x18, 0x00, 0x00, 0x00}
 	ProxyRequestProxyTag  = []byte{0xae, 0x26, 0x1e, 0xdb}
 
-	HandshakeSenderPID []byte
-	HandshakePeerPID   []byte
-)
-
-func init() {
 	HandshakeSenderPID = []byte("IPIPPRPDTIME")
-	HandshakePeerPID = []byte("IPIPPRPDTIME")
-}
+	HandshakePeerPID   = []byte("IPIPPRPDTIME")
+)

obfuscated2/frame_test.go

 	}
 	for _, test := range validTests {
 		t.Run(strconv.Itoa(int(test)), func(tt *testing.T) {
-			frame := generateFrame(test)
+			frame := generateFrame(test) // nolint: scopelint
 			conType, err := frame.ConnectionType()
-			assert.Nil(t, err)
-			assert.Equal(t, conType, test)
+			assert.Nil(tt, err)
+			assert.Equal(tt, conType, test) // nolint: scopelint
 		})
 	}
 }

stats/server.go

 func startServer(conf *config.Config, prometheusHandler http.Handler) {
 	log := zap.S().Named("stats")
 
-	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+	http.HandleFunc("/", func(w http.ResponseWriter, _ *http.Request) {
 		w.Header().Set("Content-Type", "application/json")
 
 		first, err := json.Marshal(GetStats())

wrappers/streamcipher_pool.go

 	"sync"
 )
 
-var streamCipherBufferPool sync.Pool
-
-func init() {
+var (
 	streamCipherBufferPool = sync.Pool{
 		New: func() interface{} {
 			return &bytes.Buffer{}
 		},
 	}
-}
+)