Logging, IP extractor

cmd/blas/main.go

@@ -1,7 +1,10 @@
 package main
 
 import (
-	"log"
+	"os"
+
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
 
 	"dynatron.me/x/blasphem/internal/common"
 	"dynatron.me/x/blasphem/pkg/cmd/serve"
@@ -11,20 +14,21 @@ import (
 )
 
 func main() {
+	log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
+
 	rootCmd := cobra.Command{
 		Use: common.AppName,
 	}
 
 	config, err := config.ReadConfig()
 	if err != nil {
-		log.Fatal(err)
+		log.Fatal().Err(err).Msg("Config read failed")
 	}
 
 	rootCmd.AddCommand(serve.Command(config))
-	// rootCmd.AddCommand(package.MyCommand([conf]), ...)
 
 	err = rootCmd.Execute()
 	if err != nil {
-		log.Fatal(err)
+		log.Fatal().Err(err).Msg("Dying")
 	}
 }

go.mod

@@ -10,15 +10,19 @@ require (
 )
 
 require (
+	github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/labstack/gommon v0.3.1 // indirect
-	github.com/mattn/go-colorable v0.1.11 // indirect
+	github.com/mattn/go-colorable v0.1.12 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/rs/zerolog v1.28.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.1 // indirect
+	github.com/ziflex/lecho/v3 v3.1.0 // indirect
 	golang.org/x/crypto v0.1.0 // indirect
 	golang.org/x/net v0.1.0 // indirect
 	golang.org/x/sys v0.1.0 // indirect
 	golang.org/x/text v0.4.0 // indirect
+	golang.org/x/time v0.0.0-20201208040808-7e3f01d25324 // indirect
 )

go.sum

@@ -1,53 +1,112 @@
+github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 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/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/golang-jwt/jwt v3.2.2+incompatible h1:IfV12K8xAKAnZqdXVzCZ+TOjboZ2keLg81eXfW3O+oY=
+github.com/golang-jwt/jwt v3.2.2+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I=
 github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
 github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
+github.com/labstack/echo/v4 v4.6.1/go.mod h1:RnjgMWNDB9g/HucVWhQYNQP9PvbYf6adqftqryo7s9k=
 github.com/labstack/echo/v4 v4.9.0 h1:wPOF1CE6gvt/kmbMR4dGzWvHMPT+sAEUJOwOTtvITVY=
 github.com/labstack/echo/v4 v4.9.0/go.mod h1:xkCDAdFCIf8jsFQ5NnbK7oqaF/yU1A1X20Ltm0OvSks=
+github.com/labstack/gommon v0.3.0/go.mod h1:MULnywXg0yavhxWKc+lOruYdAhDwPK9wf0OL7NoOu+k=
 github.com/labstack/gommon v0.3.1 h1:OomWaJXm7xR6L1HmEtGyQf26TEn7V6X88mktX9kee9o=
 github.com/labstack/gommon v0.3.1/go.mod h1:uW6kP17uPlLJsD3ijUYn3/M5bAxtlZhMI6m3MFxTMTM=
+github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
+github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
 github.com/mattn/go-colorable v0.1.11 h1:nQ+aFkoE2TMGc0b68U2OKSexC+eq46+XwZzWXHRmPYs=
 github.com/mattn/go-colorable v0.1.11/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
+github.com/mattn/go-colorable v0.1.12 h1:jF+Du6AlPIjs2BiUiQlKOX0rt3SujHxPnksPKZbaA40=
+github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
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+github.com/pkg/errors v0.9.1/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/rs/xid v1.3.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
+github.com/rs/xid v1.4.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
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+github.com/yuin/goldmark v1.4.0/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
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+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
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pkg/auth/flow.go

@@ -156,8 +156,6 @@ func (f *Flow) progress(a *Authenticator, c echo.Context) error {
 	default:
 		return c.String(http.StatusBadRequest, "unknown flow step")
 	}
-
-	return nil
 }
 
 func (a *Authenticator) LoginFlowDeleteHandler(c echo.Context) error {

pkg/server/config/config.go

@@ -1,5 +1,40 @@
 package config
 
-type Config struct {
+import (
-	Bind string `yaml:"bind"`
+	"fmt"
+	"strings"
+
+	"gopkg.in/yaml.v3"
+)
+
+type IPSource string
+
+const (
+	Legacy        IPSource = ""
+	Direct        IPSource = "direct"
+	XForwardedFor IPSource = "x-forwarded-for"
+	XRealIP       IPSource = "x-real-ip"
+)
+
+func (ips *IPSource) UnmarshalYAML(val *yaml.Node) error {
+	var str string
+	err := val.Decode(&str)
+	if err != nil {
+		return err
+	}
+
+	switch v := IPSource(strings.ToLower(str)); v {
+	case Legacy, Direct, XForwardedFor, XRealIP:
+		*ips = v
+	default:
+		return fmt.Errorf("invalid IP source '%s'", str)
+	}
+
+	return nil
+}
+
+type Config struct {
+	Bind           string   `yaml:"bind"`
+	IPSource       IPSource `yaml:"ip_source"`
+	TrustedProxies []string `yaml:"trusted_proxies"`
 }

pkg/server/server.go

@@ -10,16 +10,16 @@ import (
 	"time"
 
 	"github.com/labstack/echo/v4"
+	"github.com/rs/zerolog/log"
+	"github.com/ziflex/lecho/v3"
 
-	"dynatron.me/x/blasphem/internal/common"
 	"dynatron.me/x/blasphem/pkg/auth"
 	"dynatron.me/x/blasphem/pkg/blas"
 	"dynatron.me/x/blasphem/pkg/config"
 	"dynatron.me/x/blasphem/pkg/frontend"
+	conf "dynatron.me/x/blasphem/pkg/server/config"
 )
 
-const LogHeader = `${time_rfc3339} ${level} ${prefix} ${short_file}:${line}`
-
 type Server struct {
 	*blas.Blas
 	*echo.Echo
@@ -56,8 +56,21 @@ func New(cfg *config.Config) (s *Server, err error) {
 
 	s.Echo.Debug = true
 	s.Echo.HideBanner = true
-	s.Echo.Logger.SetPrefix(common.AppName)
+	s.Echo.Logger = lecho.From(log.Logger)
-	s.Echo.Logger.SetHeader(LogHeader)
+	s.Echo.HidePort = true
+
+	ipext := map[conf.IPSource]echo.IPExtractor{
+		conf.Legacy:        nil,
+		conf.Direct:        echo.ExtractIPDirect(),
+		conf.XForwardedFor: echo.ExtractIPFromXFFHeader(),
+		conf.XRealIP:       echo.ExtractIPFromRealIPHeader(),
+	}
+
+	if ipext[cfg.Server.IPSource] == nil {
+		log.Warn().Msg("ip_source not explicitly set")
+	}
+
+	s.Echo.IPExtractor = ipext[cfg.Server.IPSource]
 
 	s.installRoutes()
 
@@ -76,6 +89,7 @@ func (s *Server) Shutdown(ctx context.Context) error {
 func (s *Server) Go() error {
 	s.wg.Add(1)
 	go func() {
+		log.Info().Str("bind", s.Config.Server.Bind).Msg("Server listening")
 		err := s.Start(s.Config.Server.Bind)
 		if err != nil && err != http.ErrServerClosed {
 			s.Logger.Fatal(err)
@@ -96,7 +110,7 @@ func (s *Server) Go() error {
 	}
 
 	s.wg.Wait()
-	s.Logger.Info("shutdown complete")
+	s.Logger.Info("Shutdown complete")
 
 	return nil
 }