gowebd/main.go

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package main
import (
"embed"
"fmt"
"net/http"
"os"
"strings"
"time"
"go.wit.com/log"
)
// are sent via -ldflags at buildtime
var VERSION string
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var BUILDTIME string
//go:embed resources/*
var resources embed.FS
// var accessf, clientf *os.File
var repoMap map[string]string
var versionMap map[string]string
var configfile []string
var keysSorted []string
var HOSTNAME string = "go.wit.com"
// remove '?' part and trailing '/'
func cleanURL(url string) string {
url = "/" + strings.Trim(url, "/")
return url
}
func okHandler(w http.ResponseWriter, r *http.Request) {
// dumpClient(accessf, clientf, r)
var tmp string
// tmp = r.URL.String()
tmp = cleanURL(r.URL.Path)
parts := strings.Split(tmp, "?")
log.Info("client sent url =", tmp)
log.Info("parts are:", parts)
requrl := parts[0]
url, repourl := findkey(requrl)
log.Warn("gowebd URL =", url, "REPO URL =", repourl, "REQUEST URL =", requrl)
if repourl != "" {
repoHTML(w, url, repourl)
return
}
if tmp == "/" {
indexHeader(w)
indexBodyStart(w)
indexBodyScanConfig(w)
indexDivEnd(w)
pfile, err := os.ReadFile("/etc/gowebd/footer.html")
if err == nil {
fmt.Fprint(w, string(pfile))
} else {
log.Warn(err, "no footer filee found in /etc/gowebd/footer.html")
log.Warn("falling back to the resources/footer.html")
writeFile(w, "footer.html")
}
indexBodyEnd(w)
return
}
if tmp == "/install.sh" {
writeFile(w, "install.sh")
return
}
if tmp == "/me" {
j, err := dumpJsonClient(r)
if err != nil {
fmt.Fprintln(w, "BAD ZOOT")
return
}
fmt.Fprintln(w, j)
return
}
if tmp == "/register" {
regfile, _ := os.OpenFile("/home/jcarr/regfile.log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if registerClient(regfile, r) {
fmt.Fprintln(w, "OK")
} else {
fmt.Fprintln(w, "FAILED")
}
return
}
if tmp == "/goReference.svg" {
writeFile(w, "goReference.svg")
return
}
if tmp == "/skeleton.v2.css" {
writeFile(w, "skeleton.v2.css")
return
}
if tmp == "/favicon.ico" {
writeFile(w, "ipv6.png")
return
}
// used for uptime monitor checking
if tmp == "/uptime" {
writeFile(w, "uptime.html")
return
}
log.Warn("BAD URL =", url, "REPO URL =", repourl)
badurl(w, r.URL.String())
// fmt.Fprintln(w, "BAD", tmp)
}
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)
if filename == "goReference.svg" {
w.Header().Set("Content-Type", "image/svg+xml")
}
fmt.Fprintln(w, repohtml)
log.Println("writeFile() found internal file:", filename)
// w.Close()
/*
filename = "/tmp/" + name + ".so"
log.Error(err, "write out file here", name, filename, len(pfile))
f, _ := os.OpenFile(filename, os.O_WRONLY|os.O_CREATE, 0600)
f.Close()
*/
}
func main() {
// accessf, _ = os.OpenFile("/home/jcarr/accessclient.log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
// clientf, _ = os.OpenFile("/home/jcarr/httpclient.log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
readconfigfile()
readVersionFile()
// make the instructions to install be:
// curl -sSL https://go.wit.com/install.sh | bash
// build instruction:
// go install go.wit.com/apps/getgui@latest
// for i, s := range versionMap {
// log.Println("found i =", i, "with", "s =", s)
// }
log.Println("found log =", versionMap["go.wit.com/log"])
http.HandleFunc("/", okHandler)
// go https()
p := fmt.Sprintf(":%d", argv.Port)
log.Println("HOSTNAME set to:", HOSTNAME)
log.Println("Running on port", p)
err := http.ListenAndServe(p, nil)
if err != nil {
log.Println("Error starting server:", err)
}
}
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, " MANY OF THESE REPOS REQUIRE IPv6.<br>")
fmt.Fprintln(w, " <br>")
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fmt.Fprintln(w, " bad url", badurl, "<a href=\"https://go.wit.com/\">redirecting</a>")
fmt.Fprintln(w, " </body>")
fmt.Fprintln(w, "</html>")
}
func formatDuration(d time.Duration) string {
seconds := int(d.Seconds()) % 60
minutes := int(d.Minutes()) % 60
hours := int(d.Hours()) % 24
days := int(d.Hours()) / 24
result := ""
if days > 0 {
result += fmt.Sprintf("%dd ", days)
return result
}
if hours > 0 {
result += fmt.Sprintf("%dh ", hours)
return result
}
if minutes > 0 {
result += fmt.Sprintf("%dm ", minutes)
return result
}
if seconds > 0 {
result += fmt.Sprintf("%ds", seconds)
}
return result
}