can pass ip

go.mod

@@ -1,9 +1,14 @@
 module gogs.inhome.blapointe.com/local/simpleserve
 
-go 1.16
+go 1.18
 
 require (
 	gogs.inhome.blapointe.com/local/args v0.0.0-20230410154220-44370f257b34
-	gogs.inhome.blapointe.com/local/gziphttp v0.0.0-20230428215632-f3fe5ebcc23f
+	gogs.inhome.blapointe.com/local/gziphttp v0.0.0-20230508014052-4ccd700640fc
 	gogs.inhome.blapointe.com/local/notes-server v0.0.0-20230410171406-a4d39d38dc55
 )
+
+require (
+	github.com/gomarkdown/markdown v0.0.0-20220607163217-45f7c050e2d1 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)

go.sum

@@ -146,10 +146,9 @@ github.com/yunify/qingstor-sdk-go v2.2.15+incompatible/go.mod h1:w6wqLDQ5bBTzxGJ
 go.mongodb.org/mongo-driver v1.7.2/go.mod h1:Q4oFMbo1+MSNqICAdYMlC/zSTrwCogR4R8NzkI+yfU8=
 gogs.inhome.blapointe.com/local/args v0.0.0-20230410154220-44370f257b34 h1:0tuX5dfOksiOQD1vbJjVNVTVxTTIng7UrUdSLF5T+Ao=
 gogs.inhome.blapointe.com/local/args v0.0.0-20230410154220-44370f257b34/go.mod h1:YG9n3Clg7683ohkVnJK2hdX8bBS9EojIsd1qPZumX0Y=
-gogs.inhome.blapointe.com/local/gziphttp v0.0.0-20230410171240-32da87640b26 h1:zo9E05aBiyvtuuQiT3XjzBnpbm8+bVbzHe7soBQS0Tk=
 gogs.inhome.blapointe.com/local/gziphttp v0.0.0-20230410171240-32da87640b26/go.mod h1:Sdj/NB9h3xrzPDqViQAHoDhA5gmpHkrWRXUauvLSA74=
-gogs.inhome.blapointe.com/local/gziphttp v0.0.0-20230428215632-f3fe5ebcc23f h1:b3JijyS9wOa4GJSkEfJtsAVoQBhVZMYnYT1ONtOYvWs=
-gogs.inhome.blapointe.com/local/gziphttp v0.0.0-20230428215632-f3fe5ebcc23f/go.mod h1:Sdj/NB9h3xrzPDqViQAHoDhA5gmpHkrWRXUauvLSA74=
+gogs.inhome.blapointe.com/local/gziphttp v0.0.0-20230508014052-4ccd700640fc h1:ayxolpOV9uIm8rGdmtz03d5JlnbSmFF8daKjmwrZZ1o=
+gogs.inhome.blapointe.com/local/gziphttp v0.0.0-20230508014052-4ccd700640fc/go.mod h1:Sdj/NB9h3xrzPDqViQAHoDhA5gmpHkrWRXUauvLSA74=
 gogs.inhome.blapointe.com/local/logb v0.0.0-20230410154319-880efa39d871/go.mod h1:E0pLNvMLzY0Kth1W078y+06z1AUyVMWnChMpRFf4w2Q=
 gogs.inhome.blapointe.com/local/notes-server v0.0.0-20230410171406-a4d39d38dc55 h1:WRN6wfRNgKGJJ0MyEnY6DzAQQbzJDTeMdQiuoO/Ib3g=
 gogs.inhome.blapointe.com/local/notes-server v0.0.0-20230410171406-a4d39d38dc55/go.mod h1:TcdL6JdQXp2624U28X/ZKtv+UZuHEWZBI9qRrVFNFpc=

main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"bytes"
+	"encoding/json"
 	"errors"
 	"fmt"
 	"io"
@@ -13,6 +14,7 @@ import (
 	"path"
 	"regexp"
 	"strings"
+	"time"
 
 	"gogs.inhome.blapointe.com/local/args"
 	"gogs.inhome.blapointe.com/local/gziphttp"
@@ -31,8 +33,10 @@ var (
 func main() {
 	fs = args.NewArgSet()
 	fs.Append(args.STRING, "p", "port to serve", "8100")
+	fs.Append(args.STRING, "ip", "ip to serve", "")
 	fs.Append(args.STRING, "u", "user:pass for basic auth", "")
 	fs.Append(args.BOOL, "md", "whether to render markdown as html", true)
+	fs.Append(args.BOOL, "log", "emit access logs", false)
 	fs.Append(args.BOOL, "ro", "read only mode", false)
 	fs.Append(args.BOOL, "https", "https only", false)
 	fs.Append(args.STRING, "md-css", "css to load for md", "/dev/null")
@@ -49,6 +53,7 @@ func main() {
 	https := fs.Get("https").GetBool()
 	mdCss := fs.Get("md-css").GetString()
 	mdClass := fs.Get("md-class").GetString()
+	accessLogging := fs.GetBool("log")
 	if mdCss != "" {
 		b, err := ioutil.ReadFile(mdCss)
 		if err != nil {
@@ -93,17 +98,41 @@ func main() {
 			b,
 		)
 	}
+	ip := fs.Get("ip").GetString()
 	p := strings.TrimPrefix(fs.Get("p").GetString(), ":")
 
-	http.Handle("/", http.HandlerFunc(handler(userPass, https, ro, d, md, mdCss, mdClass)))
+	http.Handle("/", http.HandlerFunc(handler(userPass, https, ro, d, md, mdCss, mdClass, accessLogging)))
 
 	log.Printf("Serving %s on HTTP port: %s\n", d, p)
 
-	log.Fatal(http.ListenAndServe(":"+p, nil))
+	log.Fatal(http.ListenAndServe(ip+":"+p, nil))
 }
 
-func handler(userPass string, https, ro bool, d string, md bool, mdCss, mdClass string) http.HandlerFunc {
-	return httpsOnly(https, gzip(basicAuth(userPass, endpoints(ro, withDel(ro, withMD(d, md, mdCss, mdClass, fserve(d)))))))
+func handler(userPass string, https, ro bool, d string, md bool, mdCss, mdClass string, accessLogging bool) http.HandlerFunc {
+	return withAccessLogging(accessLogging, httpsOnly(https, gzip(basicAuth(userPass, endpoints(ro, withDel(ro, withMD(d, md, mdCss, mdClass, fserve(d))))))))
+}
+
+func withAccessLogging(enabled bool, h http.HandlerFunc) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Host == "" {
+			r.URL.Host = r.Host
+		}
+		b, _ := json.Marshal(map[string]any{
+			"_ts": time.Now(),
+			"client": map[string]any{
+				"ip":            r.RemoteAddr,
+				"forwarded-for": r.Header.Get("X-Forwarded-For"),
+				"user-agent":    r.UserAgent(),
+			},
+			"request": map[string]any{
+				"method":  r.Method,
+				"url":     r.URL.String(),
+				"headers": r.Header,
+			},
+		})
+		fmt.Printf("%s\n", b)
+		h(w, r)
+	}
 }
 
 func writeMeta(w http.ResponseWriter) {