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package main
import (
"fmt"
"io/ioutil"
"net"
"net/http"
"strings"
"time"
"go.wit.com/lib/gui/shell"
"go.wit.com/log"
)
// remove '?' part and trailing '/'
func cleanURL(url string) string {
url = "/" + strings.Trim(url, "/")
return url
}
func getIpSimple(r *http.Request) string {
host, _, err := net.SplitHostPort(r.RemoteAddr)
if err != nil {
log.Printf("could not split host port: %v", err)
return r.RemoteAddr // Fallback
}
return host
}
// getClientIP inspects the request for common headers to find the true client IP.
func getClientIP(r *http.Request) string {
// Caddy sets the X-Forwarded-For header.
if forwardedFor := r.Header.Get("X-Forwarded-For"); forwardedFor != "" {
// The header can be a comma-separated list of IPs. The first one is the original client.
ips := strings.Split(forwardedFor, ",")
return strings.TrimSpace(ips[0])
}
// Fallback to RemoteAddr if the header is not present.
host, _, err := net.SplitHostPort(r.RemoteAddr)
if err != nil {
return r.RemoteAddr
}
return host
}
func whoSent(r *http.Request) string {
return log.Sprintf("%s\t%s", getClientIP(r), r.Header.Get("hostname"))
}
func okHandler(w http.ResponseWriter, r *http.Request) {
// something appears to be buggy. always get this first I guess
msg, err := ioutil.ReadAll(r.Body) // Read the body as []byte
r.Body.Close()
log.Info("TRYING TO MARSHAL bytes:", len(msg), err)
who := whoSent(r)
var route string
route = cleanURL(r.URL.Path)
parts := strings.Split(route, "?")
// log.Info("client sent url =", route, parts)
requrl := parts[0]
if route == "/" {
w.Header().Set("Content-Type", "text")
fmt.Fprintf(w, "go.wit.com/apps/utils/forged Version: %s\n", argv.Version())
fmt.Fprintf(w, "\n")
return
}
// used for uptime monitor checking
if route == "/uptime" {
writeFile(w, "uptime.html")
return
}
log.Warn("forged REQUEST URL =", requrl, "from =", who)
if strings.HasPrefix(route, "/patches/") {
handlePatches(w, r, msg)
return
}
if route == "/patchset" {
if err := savePatchset(w, msg); err != nil {
log.Warn("forged /patchset error", err)
return
}
if err := me.forge.SavePatchsets(); err != nil {
log.Warn("savePatchsets() failed", err)
return
}
return
}
if route == "/lookup" {
log.Info("doing lookup len(msg) =", len(msg))
found, err := lookupRepos(msg)
if err != nil {
return
}
/*
for repo := range repos.IterAll() {
repo.Namespace += "good"
log.Infof("repo:%s,%s\n", repo.Namespace, repo.FullPath)
}
*/
found.SendPB(w)
return
}
if route == "/update" {
log.Info("doing update len(msg) =", len(msg))
found, err := updateRepos(msg)
if err != nil {
return
}
found.SendPB(w)
return
}
if route == "/GetPatchsets" {
start := time.Now()
log.Info("going to w.Write(msg) with len", len(msg))
w.Write(msg)
age := shell.FormatDuration(time.Since(start))
log.Printf("Done with xfer in (%s). happy hacking!\n", age)
return
}
if route == "/patchsetget" {
filename := r.URL.Query().Get("filename")
getPatchset(w, filename)
return
}
if route == "/goReference.svg" {
w.Header().Set("Content-Type", "image/svg+xml")
writeFile(w, "goReference.svg")
return
}
if route == "/skeleton.v2.css" {
writeFile(w, "skeleton.v2.css")
return
}
if route == "/favicon.ico" {
writeFile(w, "ipv6.png")
return
}
log.Warn("BAD URL =", requrl, "from", who)
badurl(w, r.URL.String())
}
func writeFile(w http.ResponseWriter, filename string) {
// fmt.Fprintln(w, "GOT TEST?")
fullname := "resources/" + filename
pfile, err := resources.ReadFile(fullname)
if err != nil {
log.Println("ERROR:", err)
// w.Write(pfile)
return
}
var repohtml string
repohtml = string(pfile)
fmt.Fprintln(w, repohtml)
// log.Println("writeFile() found internal file:", filename)
}
func badurl(w http.ResponseWriter, badurl string) {
fmt.Fprintln(w, "<!DOCTYPE html>")
fmt.Fprintln(w, "<html>")
fmt.Fprintln(w, " <head>")
fmt.Fprintln(w, " <meta http-equiv=\"refresh\" content=\"3; url=https://"+HOSTNAME+"/\">")
fmt.Fprintln(w, " </head>")
fmt.Fprintln(w, " <body>")
fmt.Fprintln(w, " IPv4 IS NOT SUPPORTED<br>")
fmt.Fprintln(w, " FORGE REQUIRES IPv6.<br>")
fmt.Fprintln(w, " <br>")
fmt.Fprintln(w, " bad url", badurl, "<a href=\"https://forge.wit.com/\">redirecting</a>")
fmt.Fprintln(w, " </body>")
fmt.Fprintln(w, "</html>")
}
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