added gandi support

gandi.go

@@ -0,0 +1,64 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/go-gandi/go-gandi"
+	"github.com/go-gandi/go-gandi/config"
+	"github.com/go-gandi/go-gandi/livedns"
+)
+
+var (
+	gandiEmailRecords = []livedns.DomainRecord{
+		{
+			RrsetType:   "MX",
+			RrsetTTL:    10800,
+			RrsetName:   "@",
+			RrsetValues: []string{"10 spool.mail.gandi.net.", "50 fb.mail.gandi.net."},
+		},
+		{
+			RrsetType:   "TXT",
+			RrsetTTL:    10800,
+			RrsetName:   "@",
+			RrsetValues: []string{`"v=spf1 include:_mailcust.gandi.net ?all"`},
+		},
+	}
+)
+
+type Gandi struct{}
+
+func (g Gandi) IPSet(reqs []IPSetRequest) error {
+	if len(reqs) == 0 {
+		return nil
+	}
+	if err := g.EnsureAllDomainsAreSame(reqs); err != nil {
+		return err
+	}
+	pwd := reqs[0].Password
+	domain := reqs[0].Domain
+	records := make([]livedns.DomainRecord, len(reqs))
+	for index, req := range reqs {
+		records[index] = livedns.DomainRecord{
+			RrsetType:   "A",
+			RrsetTTL:    300,
+			RrsetName:   req.Host,
+			RrsetValues: []string{req.IP},
+		}
+	}
+	records = append(records, gandiEmailRecords...)
+
+	_, err := gandi.NewLiveDNSClient(config.Config{
+		APIKey: pwd,
+	}).UpdateDomainRecords(domain, records)
+	return err
+}
+
+func (Gandi) EnsureAllDomainsAreSame(reqs []IPSetRequest) error {
+	first := reqs[0].Domain
+	for _, dom := range reqs {
+		if first != dom.Domain {
+			return fmt.Errorf("domain mismatch: %s != %s", first, dom.Domain)
+		}
+	}
+	return nil
+}

go.mod

@@ -1,3 +1,9 @@
 module ncddns
 
 go 1.18
+
+require (
+	github.com/go-gandi/go-gandi v0.4.0 // indirect
+	github.com/peterhellberg/link v1.1.0 // indirect
+	moul.io/http2curl v1.0.0 // indirect
+)

go.sum

@@ -0,0 +1,6 @@
+github.com/go-gandi/go-gandi v0.4.0 h1:iFVD+x3nJrI611fYvVMk6TKOlUOND/bKnvdQxuZKPSI=
+github.com/go-gandi/go-gandi v0.4.0/go.mod h1:9NoYyfWCjFosClPiWjkbbRK5UViaZ4ctpT8/pKSSFlw=
+github.com/peterhellberg/link v1.1.0 h1:s2+RH8EGuI/mI4QwrWGSYQCRz7uNgip9BaM04HKu5kc=
+github.com/peterhellberg/link v1.1.0/go.mod h1:gtSlOT4jmkY8P47hbTc8PTgiDDWpdPbFYl75keYyBB8=
+moul.io/http2curl v1.0.0 h1:6XwpyZOYsgZJrU8exnG87ncVkU1FVCcTRpwzOkTDUi8=
+moul.io/http2curl v1.0.0/go.mod h1:f6cULg+e4Md/oW1cYmwW4IWQOVl2lGbmCNGOHvzX2kE=

main.go

@@ -6,7 +6,6 @@ import (
 	"io"
 	"io/ioutil"
 	"net/http"
-	"net/url"
 	"os"
 	"strings"
 )
@@ -15,9 +14,28 @@ const (
 	baseURL = "https://dynamicdns.park-your-domain.com/update?"
 )
 
+var (
+	byName = map[string]IPSetter{
+		"namecheap": NameCheap{},
+		"gandi":     Gandi{},
+	}
+)
+
+type IPSetRequest struct {
+	IP       string
+	Domain   string
+	Password string
+	Host     string
+}
+
+type IPSetter interface {
+	IPSet([]IPSetRequest) error
+}
+
 type DomainTuple struct {
 	Domain   string
 	Password string
+	Setter   IPSetter
 }
 
 func Config(path string) ([]DomainTuple, error) {
@@ -28,16 +46,21 @@ func Config(path string) ([]DomainTuple, error) {
 	tuples := []DomainTuple{}
 	for _, line := range strings.Split(string(conf), "\n") {
 		line := strings.TrimSpace(line)
-		if !strings.Contains(line, "=") {
+		if !strings.Contains(line, ",") {
 			continue
 		}
-		parts := strings.SplitN(line, "=", 2)
+		parts := strings.SplitN(line, ",", 3)
-		if len(parts) != 2 {
+		if len(parts) != 3 {
 			continue
 		}
+		setter, ok := byName[parts[0]]
+		if !ok {
+			return nil, fmt.Errorf("line [%s] has unsupported provider [%s]", line, parts[0])
+		}
 		tuples = append(tuples, DomainTuple{
-			Domain:   parts[0],
+			Domain:   parts[1],
-			Password: parts[1],
+			Password: parts[2],
+			Setter:   setter,
 		})
 	}
 	return tuples, nil
@@ -60,9 +83,20 @@ func main() {
 	fatal("config", err)
 	for _, cfgEntry := range cfg {
 		fmt.Println(cfgEntry.Domain)
-		err = Set(ip, cfgEntry.Domain, cfgEntry.Password, "*")
+		err = cfgEntry.Setter.IPSet([]IPSetRequest{
-		fatal(cfgEntry.Domain, err)
+			{
-		err = Set(ip, cfgEntry.Domain, cfgEntry.Password, "@")
+				IP:       ip,
+				Domain:   cfgEntry.Domain,
+				Password: cfgEntry.Password,
+				Host:     "*",
+			},
+			{
+				IP:       ip,
+				Domain:   cfgEntry.Domain,
+				Password: cfgEntry.Password,
+				Host:     "@",
+			},
+		})
 		fatal(cfgEntry.Domain, err)
 	}
 }
@@ -81,27 +115,3 @@ func IP() (string, error) {
 
 	return string(body), nil
 }
-
-func Set(ip, domain, password, host string) error {
-	params := url.Values{}
-	params.Add("host", host)
-	params.Add("domain", domain)
-	params.Add("password", password)
-	params.Add("ip", ip)
-
-	resp, err := http.Get(fmt.Sprintf("%s%s", baseURL, params.Encode()))
-	if err != nil {
-		return fmt.Errorf("request: %w", err)
-	}
-	defer resp.Body.Close()
-
-	data, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return fmt.Errorf("read body: %w", err)
-	}
-
-	if resp.StatusCode != http.StatusOK {
-		fmt.Fprintf(os.Stderr, "got status [%d]: %s\n", resp.StatusCode, string(data))
-	}
-	return nil
-}

namecheap.go

@@ -0,0 +1,44 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"os"
+)
+
+type NameCheap struct{}
+
+func (nc NameCheap) IPSet(reqs []IPSetRequest) error {
+	for _, req := range reqs {
+		if err := nc.SetSingle(req); err != nil {
+			return fmt.Errorf("%s: %w", req.Domain, err)
+		}
+	}
+	return nil
+}
+
+func (NameCheap) SetSingle(req IPSetRequest) error {
+	params := url.Values{}
+	params.Add("host", req.Host)
+	params.Add("domain", req.Domain)
+	params.Add("password", req.Password)
+	params.Add("ip", req.IP)
+
+	resp, err := http.Get(fmt.Sprintf("%s%s", baseURL, params.Encode()))
+	if err != nil {
+		return fmt.Errorf("request: %w", err)
+	}
+	defer resp.Body.Close()
+
+	data, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return fmt.Errorf("read body: %w", err)
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		fmt.Fprintf(os.Stderr, "got status [%d]: %s\n", resp.StatusCode, string(data))
+	}
+	return nil
+}