update go to 1.23

.golangci.yml

@@ -1,41 +1,93 @@
 run:
   timeout: 10m
+  # default uses Go version from the go.mod file, fallback on the env var
+  # `GOVERSION`, fallback on 1.17: https://golangci-lint.run/usage/configuration/#run-configuration
+  go: "1.23"
 
 linters:
   enable:
+    - bodyclose
     - depguard
+    - forbidigo
+    - gocritic
     - gofmt
     - goimports
-    - revive
+    - gosec
+    - gosimple
     - govet
-    - importas
     - ineffassign
+    - makezero
     - misspell
+    - noctx
+    - nolintlint
+    - revive
+    - staticcheck
+    - testifylint
     - typecheck
-    - errname
-    - makezero
-    - whitespace
     - unused
+    - whitespace
   disable-all: true
 
 linters-settings:
+  gocritic:
+    disabled-checks:
+      - "ifElseChain"
+      - "assignOp"
+      - "appendAssign"
+      - "singleCaseSwitch"
+      - "exitAfterDefer" # FIXME
+  govet:
+    enable:
+      - nilness
+      - unusedwrite
   depguard:
     rules:
       main:
         deny:
-          # The io/ioutil package has been deprecated.
-          # https://go.dev/doc/go1.16#ioutil
           - pkg: "io/ioutil"
             desc: The io/ioutil package has been deprecated.
-  importas:
-    no-unaliased: true
+  forbidigo:
+    forbid:
+      - '^fmt\.Errorf(# use errors\.Errorf instead)?$'
+  gosec:
+    excludes:
+      - G106  # Use of ssh InsecureIgnoreHostKey should be audited
+      - G115  # integer overflow conversion
+      - G204  # Audit use of command execution
+      - G402  # TLS MinVersion too low
+    config:
+      G306: "0644"
+  testifylint:
+    disable:
+      # disable rules that reduce the test condition
+      - "empty"
+      - "bool-compare"
+      - "len"
+      - "negative-positive"
 
 issues:
+  exclude-files:
+    - ".*\\.pb\\.go$"
   exclude-rules:
     - linters:
         - revive
       text: "stutters"
+    - linters:
+        - revive
+      text: "empty-block"
+    - linters:
+        - revive
+      text: "superfluous-else"
+    - linters:
+        - revive
+      text: "unused-parameter"
+    - linters:
+        - revive
+      text: "redefines-builtin-id"
+    - linters:
+        - revive
+      text: "if-return"
 
-# show all
-max-issues-per-linter: 0
-max-same-issues: 0
+  # show all
+  max-issues-per-linter: 0
+  max-same-issues: 0

Dockerfile

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 
-ARG GO_VERSION="1.21"
-ARG ALPINE_VERSION="3.18"
+ARG GO_VERSION="1.23"
+ARG ALPINE_VERSION="3.21"
 ARG XX_VERSION="1.6.1"
 
 FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx

cmd/main.go

@@ -35,7 +35,7 @@ func main() {
 	runtime.GOMAXPROCS(runtime.NumCPU())
 
 	meta.Version = version
-	meta.UserAgent = fmt.Sprintf("%s/%s go/%s %s", meta.ID, meta.Version, runtime.Version()[2:], strings.Title(runtime.GOOS))
+	meta.UserAgent = fmt.Sprintf("%s/%s go/%s %s", meta.ID, meta.Version, runtime.Version()[2:], strings.Title(runtime.GOOS)) //nolint:staticcheck // ignoring "SA1019: strings.Title is deprecated", as for our use we don't need full unicode support
 	if meta.Hostname, err = os.Hostname(); err != nil {
 		log.Fatal().Err(err).Msg("Cannot resolve hostname")
 	}

go.mod

@@ -1,6 +1,6 @@
 module github.com/crazy-max/ftpgrab/v7
 
-go 1.21
+go 1.23.0
 
 require (
 	github.com/alecthomas/kong v1.6.0

hack/lint.Dockerfile

@@ -1,8 +1,8 @@
 # syntax=docker/dockerfile:1
 
-ARG GO_VERSION="1.21"
-ARG ALPINE_VERSION="3.18"
-ARG GOLANGCI_LINT_VERSION="v1.55"
+ARG GO_VERSION="1.23"
+ARG ALPINE_VERSION="3.21"
+ARG GOLANGCI_LINT_VERSION="v1.62"
 
 FROM golang:${GO_VERSION}-alpine${ALPINE_VERSION} AS base
 ENV GOFLAGS="-buildvcs=false"

hack/vendor.Dockerfile

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 
-ARG GO_VERSION="1.21"
-ARG ALPINE_VERSION="3.18"
+ARG GO_VERSION="1.23"
+ARG ALPINE_VERSION="3.21"
 ARG GOMOD_OUTDATED_VERSION="v0.8.0"
 
 FROM golang:${GO_VERSION}-alpine${ALPINE_VERSION} AS base

internal/journal/client.go

@@ -25,5 +25,5 @@ func (c *Client) Add(entry Entry) {
 
 // IsEmpty checks if journal is empty
 func (c *Client) IsEmpty() bool {
-	return c.Entries == nil || len(c.Entries) == 0
+	return len(c.Entries) == 0
 }

internal/journal/journal.go

@@ -33,5 +33,5 @@ func (j Journal) MarshalJSON() ([]byte, error) {
 
 // IsEmpty checks if journal is empty
 func (j Journal) IsEmpty() bool {
-	return j.Entries == nil || len(j.Entries) == 0
+	return len(j.Entries) == 0
 }

internal/notif/script/client.go

@@ -78,6 +78,6 @@ func (c *Client) Send(jnl journal.Journal) error {
 		return errors.Wrap(err, strings.TrimSpace(stderr.String()))
 	}
 
-	log.Debug().Msgf(strings.TrimSpace(stdout.String()))
+	log.Debug().Msg(strings.TrimSpace(stdout.String()))
 	return nil
 }

internal/notif/webhook/client.go

@@ -2,6 +2,7 @@ package webhook
 
 import (
 	"bytes"
+	"context"
 	"encoding/json"
 	"net/http"
 
@@ -34,10 +35,6 @@ func (c *Client) Name() string {
 
 // Send creates and sends a webhook notification with journal entries
 func (c *Client) Send(jnl journal.Journal) error {
-	hc := http.Client{
-		Timeout: *c.cfg.Timeout,
-	}
-
 	body, err := json.Marshal(struct {
 		Version  string          `json:"ftpgrab_version,omitempty"`
 		ServerIP string          `json:"server_ip,omitempty"`
@@ -53,7 +50,11 @@ func (c *Client) Send(jnl journal.Journal) error {
 		return err
 	}
 
-	req, err := http.NewRequest(c.cfg.Method, c.cfg.Endpoint, bytes.NewBuffer(body))
+	hc := http.Client{}
+	ctx, cancel := context.WithTimeout(context.Background(), *c.cfg.Timeout)
+	defer cancel()
+
+	req, err := http.NewRequestWithContext(ctx, c.cfg.Method, c.cfg.Endpoint, bytes.NewBuffer(body))
 	if err != nil {
 		return err
 	}
@@ -66,6 +67,11 @@ func (c *Client) Send(jnl journal.Journal) error {
 
 	req.Header.Set("User-Agent", c.meta.UserAgent)
 
-	_, err = hc.Do(req)
-	return err
+	resp, err := hc.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	return nil
 }