102 lines
2.3 KiB
Go
102 lines
2.3 KiB
Go
package webapi
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import (
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"errors"
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"fmt"
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"log"
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"net"
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"net/http"
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"net/url"
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"gitea.nehmer.net/torben/dyndns/service"
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)
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func init() {
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router.HandleFunc("/update", handleUpdate)
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}
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func handleUpdate(w http.ResponseWriter, r *http.Request) {
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err := r.ParseForm()
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if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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ur, err := createUpdateRequestFromForm(r.Form)
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if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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uc, err := service.LoadConfigForUser(ur.UserName, ur.Password)
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if err != nil {
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if _, ok := err.(*service.UnauthorizedError); ok {
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http.Error(w, err.Error(), http.StatusUnauthorized)
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} else {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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log.Printf("Authorization failed: %v", err)
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return
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}
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ur.Config = uc
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// Start DEBUG Output
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log.Println("Final request")
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log.Println(ur.PrettyPrint())
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for _, other := range uc.Others {
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log.Printf("Other %s, IID %v, merged: %v",
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other.Hostname, other.V6IID, other.ConvertIIDToAddress(ur.IPv6Net))
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}
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log.Println("WebAPI Config:")
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log.Println(C.PrettyPrint())
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log.Println("Service Config:")
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log.Println(service.C.PrettyPrint())
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// End DEBUG Output
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if err := ur.Process(); err != nil {
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log.Printf("failed to process UpdateRequest: %v", err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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w.Header().Set("Content-Type", "text/plain")
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fmt.Fprintln(w, "OK")
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}
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func createUpdateRequestFromForm(form url.Values) (*service.UpdateRequest, error) {
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ur := &service.UpdateRequest{}
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if form.Get("IPv4") != "" {
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if ur.IPv4 = net.ParseIP(form.Get("IPv4")); ur.IPv4 == nil {
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return nil, errors.New("could not parse IPv4 address")
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}
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}
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if form.Get("IPv6") != "" {
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if ur.IPv6 = net.ParseIP(form.Get("IPv6")); ur.IPv6 == nil {
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return nil, errors.New("could not parse IPv6 address")
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}
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}
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ur.UserName = form.Get("UserName")
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if ur.UserName == "" {
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return nil, errors.New("a UserName must be specified")
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}
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ur.Password = form.Get("Password")
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if ur.Password == "" {
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return nil, errors.New("a Password must be specified")
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}
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if ip6net := form.Get("IPv6Net"); ip6net != "" {
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_, ipnet, err := net.ParseCIDR(ip6net)
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if err != nil {
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return nil, errors.New("could not parse IPv6Net")
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}
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ur.IPv6Net = ipnet
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}
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return ur, nil
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}
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