commit d40bfca474692b104982402369a71e837f4d43ad
Author: Jarkko Toivanen <jt@jakest.us>
Date: Fri Jan 31 05:59:20 2025 +0200
Simple FI-domain availability checking
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5ff6a9c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/config.json
+/nexsis
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..6c802db
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,4 @@
+run:
+ go run main.go
+build:
+ go build -v -ldflags "-s -w"
diff --git a/config.json.example b/config.json.example
new file mode 100644
index 0000000..c910018
--- /dev/null
+++ b/config.json.example
@@ -0,0 +1,4 @@
+{
+ "port": 6900,
+ "siteName": "NexSIS"
+}
\ No newline at end of file
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..0905b39
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,16 @@
+module nexsis
+
+go 1.23.0
+
+require (
+ github.com/dustin/go-humanize v1.0.1 // indirect
+ github.com/google/uuid v1.6.0 // indirect
+ github.com/mattn/go-isatty v0.0.20 // indirect
+ github.com/ncruces/go-strftime v0.1.9 // indirect
+ github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+ golang.org/x/sys v0.22.0 // indirect
+ modernc.org/libc v1.55.3 // indirect
+ modernc.org/mathutil v1.6.0 // indirect
+ modernc.org/memory v1.8.0 // indirect
+ modernc.org/sqlite v1.34.5 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..2b43db3
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,21 @@
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
+github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
+golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+modernc.org/libc v1.55.3 h1:AzcW1mhlPNrRtjS5sS+eW2ISCgSOLLNyFzRh/V3Qj/U=
+modernc.org/libc v1.55.3/go.mod h1:qFXepLhz+JjFThQ4kzwzOjA/y/artDeg+pcYnY+Q83w=
+modernc.org/mathutil v1.6.0 h1:fRe9+AmYlaej+64JsEEhoWuAYBkOtQiMEU7n/XgfYi4=
+modernc.org/mathutil v1.6.0/go.mod h1:Ui5Q9q1TR2gFm0AQRqQUaBWFLAhQpCwNcuhBOSedWPo=
+modernc.org/memory v1.8.0 h1:IqGTL6eFMaDZZhEWwcREgeMXYwmW83LYW8cROZYkg+E=
+modernc.org/memory v1.8.0/go.mod h1:XPZ936zp5OMKGWPqbD3JShgd/ZoQ7899TUuQqxY+peU=
+modernc.org/sqlite v1.34.5 h1:Bb6SR13/fjp15jt70CL4f18JIN7p7dnMExd+UFnF15g=
+modernc.org/sqlite v1.34.5/go.mod h1:YLuNmX9NKs8wRNK2ko1LW1NGYcc9FkBO69JOt1AR9JE=
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..a0d0277
--- /dev/null
+++ b/index.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <meta charset="UTF-8">
+ <link rel="stylesheet" type="text/css" href="/static/style.css">
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
+ <title>{{.Title}}</title>
+ </head>
+ <body>
+ <div class="cntrbox">
+ <h1>{{.Title}}</h1>
+ <p>
+ Will be able to manage. Or not.
+ </p>
+ <footer>
+ <hr>
+ <small>
+ 2015 Jarkko Toivanen
+ </small>
+ </footer>
+ </div>
+ </body>
+</html>
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..1d540ee
--- /dev/null
+++ b/main.go
@@ -0,0 +1,183 @@
+package main
+
+import (
+ "database/sql"
+ "encoding/json"
+ "encoding/xml"
+ "fmt"
+ "html/template"
+ "log"
+ "net"
+ "net/http"
+ "os"
+ "io"
+ "strings"
+ "bytes"
+ "errors"
+ _ "modernc.org/sqlite"
+)
+
+type Config struct {
+ Port uint
+ SiteName string
+}
+
+type page struct {
+ Title string
+}
+
+type xmlDomain struct {
+ authority string
+ registryType string
+ entityClass string
+ entityName string
+}
+
+var C = Config{}
+var db *sql.DB
+
+func main() {
+ var err error
+
+ domain := "snuff.fi"
+ av, err := checkDomainAvailability(domain)
+ if err != nil {
+ log.Fatal(err)
+ return
+ }
+ fmt.Printf("Domain '%s' available: %t\n", domain, av)
+ return
+
+ // Load config
+ fmt.Println("Loading config.json")
+ cfgfile, err := os.Open("config.json")
+ if err != nil {
+ log.Fatal("Error reading config.json!")
+ return
+ }
+ defer cfgfile.Close()
+
+ decoder := json.NewDecoder(cfgfile)
+ //Config := Config{}
+ err = decoder.Decode(&C)
+ if err != nil {
+ log.Fatal("Can't decode config.json!")
+ return
+ }
+
+
+
+
+ db, err = sql.Open("sqlite", "database.db")
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ fmt.Printf("Starting listener on :%v", C.Port)
+ http.Handle("/static/", http.FileServer(http.Dir("./")))
+ http.HandleFunc("/", httpRootHandler)
+ err = http.ListenAndServe(fmt.Sprintf(":%v", C.Port), nil)
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ db.Close()
+}
+
+func httpRootHandler(w http.ResponseWriter, r *http.Request) {
+ t, _ := template.ParseFiles("index.html")
+ // var err := do_get_stuff()
+ // if err != nil {
+ // log.Fatal(err)
+ // http.Error(w, http.StatusText(500), 500)
+ // return
+ // }
+
+
+
+ var p page
+ p.Title = C.SiteName;
+ t.Execute(w, p)
+}
+
+func checkDomainAvailability(domain string) (bool, error) {
+ dasHost := "das.domain.fi";
+ dasPort := 715
+ dasAddr := fmt.Sprintf("%s:%d", dasHost, dasPort)
+ request := fmt.Sprintf(`<?xml version="1.0" encoding="UTF-8"?>
+<iris1:request xmlns:iris1="urn:ietf:params:xml:ns:iris1">
+<iris1:searchSet>
+<iris1:lookupEntity registryType="dchk1" entityClass="domain-name" entityName="%s"/>
+</iris1:searchSet>
+</iris1:request>`, domain)
+
+ conn, err := net.Dial("udp", dasAddr)
+ if err != nil {
+ log.Fatal(err)
+ return false, err
+ }
+ defer conn.Close()
+
+ fmt.Fprintf(conn, request)
+ response := make([]byte, 1024)
+ _, err = conn.Read(response)
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ response = bytes.Trim(response, "\x00")
+
+ // Response can be:
+ // - active: already in use
+ // - available: go ahead and grab it while you can
+ // - invalid: malformed request: maybe check domain has .fi in the end
+ isAvailable, err := xmlCheckTag(string(response), "available")
+ if err != nil {
+ log.Fatal(err)
+ return false, err
+ } else if isAvailable {
+ // Domain is available
+ return true, nil
+ }
+
+ isActive, err := xmlCheckTag(string(response), "active")
+ if err != nil {
+ log.Fatal(err)
+ return false, err
+ } else if isActive {
+ // Domain is already registered taken
+ return false, nil
+ }
+
+ isInvalid, err := xmlCheckTag(string(response), "invalid")
+ if err != nil {
+ log.Fatal(err)
+ return false, err
+ } else if isInvalid {
+ // We got bonked for our request
+ return false, errors.New("Request or domain invalid")
+ }
+
+ // Execution should not lead here but hey might as well error it out
+ return false, errors.New("Error: Status field not found")
+}
+
+func xmlCheckTag(src, tag string) (bool, error) {
+ // Thanks icza for your stackoverflow
+ // https://stackoverflow.com/a/51649834
+ decoder := xml.NewDecoder(strings.NewReader(src))
+ for {
+ t, err := decoder.Token()
+ if err != nil {
+ if err == io.EOF {
+ return false, nil
+ }
+ return false, err
+ }
+ if se, ok := t.(xml.StartElement); ok {
+ if se.Name.Local == tag {
+ return true, nil
+ }
+ }
+ }
+}
diff --git a/static/style.css b/static/style.css
new file mode 100644
index 0000000..db4a1f6
--- /dev/null
+++ b/static/style.css
@@ -0,0 +1,14 @@
+body {
+ background-color: #000000;
+ color: #ffffff;
+ font-family: "sans-serif";
+}
+
+a, a:visited, a:active {
+ color: #00ffff;
+}
+
+.cntrbox {
+ display: grid;
+ place-content: center;
+}