mirror of
https://github.com/dcarrillo/whatismyip.git
synced 2024-12-22 12:08:00 +00:00
Refactor setting module and add tests (#4)
This commit is contained in:
GitHub
parent
2571e22843
commit
8b5cccd744
@ -3,6 +3,8 @@ package main
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"flag"
|
||||
"fmt"
|
||||
"log"
|
||||
"net/http"
|
||||
"os"
|
||||
@ -24,7 +26,15 @@ var (
|
||||
)
|
||||
|
||||
func main() {
|
||||
setting.Setup()
|
||||
o, err := setting.Setup(os.Args[1:])
|
||||
if err == flag.ErrHelp || err == setting.ErrVersion {
|
||||
fmt.Print(o)
|
||||
os.Exit(0)
|
||||
} else if err != nil {
|
||||
fmt.Print(err)
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
models.Setup(setting.App.GeodbPath.City, setting.App.GeodbPath.ASN)
|
||||
setupEngine()
|
||||
router.SetupTemplate(engine)
|
||||
|
||||
@ -1,6 +1,8 @@
|
||||
package setting
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"errors"
|
||||
"flag"
|
||||
"fmt"
|
||||
"os"
|
||||
@ -26,74 +28,75 @@ type settings struct {
|
||||
TLSKeyPath string
|
||||
TrustedHeader string
|
||||
Server serverSettings
|
||||
version bool
|
||||
}
|
||||
|
||||
const defaultAddress = ":8080"
|
||||
|
||||
var App *settings
|
||||
var ErrVersion = errors.New("setting: version requested")
|
||||
var App = settings{
|
||||
// hard-coded for the time being
|
||||
Server: serverSettings{
|
||||
ReadTimeout: 10 * time.Second,
|
||||
WriteTimeout: 10 * time.Second,
|
||||
},
|
||||
}
|
||||
|
||||
func Setup() {
|
||||
city := flag.String("geoip2-city", "", "Path to GeoIP2 city database")
|
||||
asn := flag.String("geoip2-asn", "", "Path to GeoIP2 ASN database")
|
||||
template := flag.String("template", "", "Path to template file")
|
||||
address := flag.String(
|
||||
func Setup(args []string) (output string, err error) {
|
||||
flags := flag.NewFlagSet("whatismyip", flag.ContinueOnError)
|
||||
var buf bytes.Buffer
|
||||
flags.SetOutput(&buf)
|
||||
|
||||
flags.StringVar(&App.GeodbPath.City, "geoip2-city", "", "Path to GeoIP2 city database")
|
||||
flags.StringVar(&App.GeodbPath.ASN, "geoip2-asn", "", "Path to GeoIP2 ASN database")
|
||||
flags.StringVar(&App.TemplatePath, "template", "", "Path to template file")
|
||||
flags.StringVar(
|
||||
&App.BindAddress,
|
||||
"bind",
|
||||
defaultAddress,
|
||||
"Listening address (see https://pkg.go.dev/net?#Listen)",
|
||||
)
|
||||
addressTLS := flag.String(
|
||||
flags.StringVar(
|
||||
&App.TLSAddress,
|
||||
"tls-bind",
|
||||
"",
|
||||
"Listening address for TLS (see https://pkg.go.dev/net?#Listen)",
|
||||
)
|
||||
tlsCrtPath := flag.String("tls-crt", "", "When using TLS, path to certificate file")
|
||||
tlsKeyPath := flag.String("tls-key", "", "When using TLS, path to private key file")
|
||||
trustedHeader := flag.String(
|
||||
flags.StringVar(&App.TLSCrtPath, "tls-crt", "", "When using TLS, path to certificate file")
|
||||
flags.StringVar(&App.TLSKeyPath, "tls-key", "", "When using TLS, path to private key file")
|
||||
flags.StringVar(&App.TrustedHeader,
|
||||
"trusted-header",
|
||||
"",
|
||||
"Trusted request header for remote IP (e.g. X-Real-IP)",
|
||||
)
|
||||
ver := flag.Bool("version", false, "Output version information and exit")
|
||||
flags.BoolVar(&App.version, "version", false, "Output version information and exit")
|
||||
|
||||
flag.Parse()
|
||||
|
||||
if *ver {
|
||||
fmt.Printf("whatismyip version %s", core.Version)
|
||||
os.Exit(0)
|
||||
err = flags.Parse(args)
|
||||
if err != nil {
|
||||
return buf.String(), err
|
||||
}
|
||||
|
||||
if *city == "" || *asn == "" {
|
||||
exitWithError("geoip2-city and geoip2-asn parameters are mandatory")
|
||||
if App.version {
|
||||
return fmt.Sprintf("whatismyip version %s", core.Version), ErrVersion
|
||||
}
|
||||
|
||||
if (*addressTLS != "") && (*tlsCrtPath == "" || *tlsKeyPath == "") {
|
||||
exitWithError("In order to use TLS -tls-crt and -tls-key flags are mandatory")
|
||||
if App.GeodbPath.City == "" || App.GeodbPath.ASN == "" {
|
||||
return "", fmt.Errorf("geoip2-city and geoip2-asn parameters are mandatory")
|
||||
}
|
||||
|
||||
if *template != "" {
|
||||
info, err := os.Stat(*template)
|
||||
if os.IsNotExist(err) || info.IsDir() {
|
||||
exitWithError(*template + " doesn't exist or it's not a file")
|
||||
if (App.TLSAddress != "") && (App.TLSCrtPath == "" || App.TLSKeyPath == "") {
|
||||
return "", fmt.Errorf("In order to use TLS -tls-crt and -tls-key flags are mandatory")
|
||||
}
|
||||
|
||||
if App.TemplatePath != "" {
|
||||
info, err := os.Stat(App.TemplatePath)
|
||||
if os.IsNotExist(err) {
|
||||
return "", fmt.Errorf("%s no such file or directory", App.TemplatePath)
|
||||
}
|
||||
if info.IsDir() {
|
||||
return "", fmt.Errorf("%s must be a file", App.TemplatePath)
|
||||
}
|
||||
}
|
||||
|
||||
App = &settings{
|
||||
GeodbPath: geodbPath{City: *city, ASN: *asn},
|
||||
TemplatePath: *template,
|
||||
BindAddress: *address,
|
||||
TLSAddress: *addressTLS,
|
||||
TLSCrtPath: *tlsCrtPath,
|
||||
TLSKeyPath: *tlsKeyPath,
|
||||
TrustedHeader: *trustedHeader,
|
||||
Server: serverSettings{
|
||||
ReadTimeout: 10 * time.Second,
|
||||
WriteTimeout: 10 * time.Second,
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
func exitWithError(error string) {
|
||||
fmt.Printf("%s\n\n", error)
|
||||
flag.Usage()
|
||||
os.Exit(1)
|
||||
return buf.String(), nil
|
||||
}
|
||||
|
||||
193
internal/setting/app_test.go
Normal file
193
internal/setting/app_test.go
Normal file
@ -0,0 +1,193 @@
|
||||
package setting
|
||||
|
||||
import (
|
||||
"flag"
|
||||
"reflect"
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
)
|
||||
|
||||
func TestParseMandatoryFlags(t *testing.T) {
|
||||
var mandatoryFlags = []struct {
|
||||
args []string
|
||||
conf settings
|
||||
}{
|
||||
{
|
||||
[]string{},
|
||||
settings{},
|
||||
},
|
||||
{
|
||||
[]string{"-geoip2-city", "/city-path"},
|
||||
settings{},
|
||||
},
|
||||
{
|
||||
[]string{"-geoip2-asn", "/asn-path"},
|
||||
settings{},
|
||||
},
|
||||
{
|
||||
[]string{
|
||||
"-geoip2-city", "/city-path", "-geoip2-asn", "/asn-path", "-tls-bind", ":9000",
|
||||
},
|
||||
settings{},
|
||||
},
|
||||
{
|
||||
[]string{
|
||||
"-geoip2-city", "/city-path", "-geoip2-asn", "/asn-path", "-tls-bind", ":9000",
|
||||
"-tls-crt", "/crt-path",
|
||||
},
|
||||
settings{},
|
||||
},
|
||||
{
|
||||
[]string{
|
||||
"-geoip2-city", "/city-path", "-geoip2-asn", "/asn-path", "-tls-bind", ":9000",
|
||||
"-tls-key", "/key-path",
|
||||
},
|
||||
settings{},
|
||||
},
|
||||
}
|
||||
|
||||
for _, tt := range mandatoryFlags {
|
||||
t.Run(strings.Join(tt.args, " "), func(t *testing.T) {
|
||||
_, err := Setup(tt.args)
|
||||
assert.NotNil(t, err)
|
||||
assert.Contains(t, err.Error(), "mandatory")
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestParseFlags(t *testing.T) {
|
||||
var flags = []struct {
|
||||
args []string
|
||||
conf settings
|
||||
}{
|
||||
{
|
||||
[]string{"-geoip2-city", "/city-path", "-geoip2-asn", "/asn-path"},
|
||||
settings{
|
||||
GeodbPath: geodbPath{
|
||||
City: "/city-path",
|
||||
ASN: "/asn-path",
|
||||
},
|
||||
TemplatePath: "",
|
||||
BindAddress: ":8080",
|
||||
TLSAddress: "",
|
||||
TLSCrtPath: "",
|
||||
TLSKeyPath: "",
|
||||
TrustedHeader: "",
|
||||
Server: serverSettings{
|
||||
ReadTimeout: 10 * time.Second,
|
||||
WriteTimeout: 10 * time.Second,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
[]string{"-bind", ":8001", "-geoip2-city", "/city-path", "-geoip2-asn", "/asn-path"},
|
||||
settings{
|
||||
GeodbPath: geodbPath{
|
||||
City: "/city-path",
|
||||
ASN: "/asn-path",
|
||||
},
|
||||
TemplatePath: "",
|
||||
BindAddress: ":8001",
|
||||
TLSAddress: "",
|
||||
TLSCrtPath: "",
|
||||
TLSKeyPath: "",
|
||||
TrustedHeader: "",
|
||||
Server: serverSettings{
|
||||
ReadTimeout: 10 * time.Second,
|
||||
WriteTimeout: 10 * time.Second,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
[]string{
|
||||
"-geoip2-city", "/city-path", "-geoip2-asn", "/asn-path", "-tls-bind", ":9000",
|
||||
"-tls-crt", "/crt-path", "-tls-key", "/key-path",
|
||||
},
|
||||
settings{
|
||||
GeodbPath: geodbPath{
|
||||
City: "/city-path",
|
||||
ASN: "/asn-path",
|
||||
},
|
||||
TemplatePath: "",
|
||||
BindAddress: ":8080",
|
||||
TLSAddress: ":9000",
|
||||
TLSCrtPath: "/crt-path",
|
||||
TLSKeyPath: "/key-path",
|
||||
TrustedHeader: "",
|
||||
Server: serverSettings{
|
||||
ReadTimeout: 10 * time.Second,
|
||||
WriteTimeout: 10 * time.Second,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
[]string{
|
||||
"-geoip2-city", "/city-path", "-geoip2-asn", "/asn-path",
|
||||
"-trusted-header", "header",
|
||||
},
|
||||
settings{
|
||||
GeodbPath: geodbPath{
|
||||
City: "/city-path",
|
||||
ASN: "/asn-path",
|
||||
},
|
||||
TemplatePath: "",
|
||||
BindAddress: ":8080",
|
||||
TLSAddress: "",
|
||||
TLSCrtPath: "",
|
||||
TLSKeyPath: "",
|
||||
TrustedHeader: "header",
|
||||
Server: serverSettings{
|
||||
ReadTimeout: 10 * time.Second,
|
||||
WriteTimeout: 10 * time.Second,
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
for _, tt := range flags {
|
||||
t.Run(strings.Join(tt.args, " "), func(t *testing.T) {
|
||||
_, err := Setup(tt.args)
|
||||
assert.Nil(t, err)
|
||||
assert.True(t, reflect.DeepEqual(App, tt.conf))
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestParseFlagsUsage(t *testing.T) {
|
||||
var usageArgs = []string{"-help", "-h", "--help"}
|
||||
|
||||
for _, arg := range usageArgs {
|
||||
t.Run(arg, func(t *testing.T) {
|
||||
output, err := Setup([]string{arg})
|
||||
assert.ErrorIs(t, err, flag.ErrHelp)
|
||||
assert.Contains(t, output, "Usage of")
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestParseFlagVersion(t *testing.T) {
|
||||
output, err := Setup([]string{"-version"})
|
||||
assert.ErrorIs(t, err, ErrVersion)
|
||||
assert.Contains(t, output, "whatismyip version")
|
||||
}
|
||||
|
||||
func TestParseFlagTemplate(t *testing.T) {
|
||||
flags := []string{
|
||||
"-geoip2-city", "/city-path", "-geoip2-asn", "/asn-path",
|
||||
"-template", "/template-path",
|
||||
}
|
||||
_, err := Setup(flags)
|
||||
assert.Error(t, err)
|
||||
assert.Contains(t, err.Error(), "no such file or directory")
|
||||
|
||||
flags = []string{
|
||||
"-geoip2-city", "/city-path", "-geoip2-asn", "/asn-path",
|
||||
"-template", "/",
|
||||
}
|
||||
_, err = Setup(flags)
|
||||
assert.Error(t, err)
|
||||
assert.Contains(t, err.Error(), "must be a file")
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user