Add support for Cloudflare scoped API tokens

README.md

@@ -26,11 +26,15 @@ Pull requests welcome :-)
 
 ## Running cfzone
 
-cfzone need two environment variables:
+cfzone needs API credentials via environment variables. Either supply both:
 
 - `CF_API_KEY` - Your API key from [Cloudflare](https://support.cloudflare.com/hc/en-us/articles/200167836-Where-do-I-find-my-Cloudflare-API-key-)
 - `CF_API_EMAIL` - Your Cloudflare email address.
 
+to run using a global API key, or supply just:
+
+- `CF_API_TOKEN` - Scoped API token from [Cloudflare](https://developers.cloudflare.com/api/tokens/create/)
+
 Run cfzone as with the following command:
 `cfzone [-leaveunknown] [-yes] <zonefile>`
 

go.mod

@@ -0,0 +1,20 @@
+module cfzone
+
+go 1.17
+
+require (
+	github.com/cloudflare/cloudflare-go v0.36.0
+	github.com/miekg/dns v1.1.48
+)
+
+require (
+	github.com/google/go-querystring v1.1.0 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	golang.org/x/mod v0.4.2 // indirect
+	golang.org/x/net v0.0.0-20220225172249-27dd8689420f // indirect
+	golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/time v0.0.0-20220224211638-0e9765cccd65 // indirect
+	golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+)

go.sum

@@ -0,0 +1,99 @@
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/cloudflare/cloudflare-go v0.36.0 h1:GIDxQz61fYUFKs5Cr4mCbZlMz+GepX9+23W4/mjaQdk=
+github.com/cloudflare/cloudflare-go v0.36.0/go.mod h1:EfqOgbgOTf9U+67Z5MR2t/MuVj5OjLlXs+dN6DBh6C8=
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main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"bufio"
+	"context"
 	"crypto/sha256"
 	"errors"
 	"flag"
@@ -34,6 +35,7 @@ var (
 	leaveUnknown = false
 	ignoreSpf    = false
 	ignoreSrv    = false
+	useToken     = false
 	origin       = ""
 	zoneAutoTTL  = 0
 	zoneCacheTTL = 1
@@ -42,6 +44,7 @@ var (
 var (
 	apiKey   = os.Getenv("CF_API_KEY")
 	apiEmail = os.Getenv("CF_API_EMAIL")
+	apiToken = os.Getenv("CF_API_TOKEN")
 )
 
 // parseArguments tries to pass the arguments in args.
@@ -87,9 +90,14 @@ func main() {
 		os.Exit(1)
 	}
 
+	// If a global key is provided, use it
+	// Otherwise, check for a (scoped) token
 	if apiKey == "" || apiEmail == "" {
-		fmt.Fprintf(stderr, "Please set CF_API_KEY and CF_API_EMAIL environment variables\n")
-		exit(1)
+		if apiToken == "" {
+			fmt.Fprintf(stderr, "Please set CF_API_KEY and CF_API_EMAIL environment variables\n")
+			exit(1)
+		}
+		useToken = true
 	}
 
 	f, err := os.Open(path)
@@ -117,7 +125,12 @@ func main() {
 		exit(1)
 	}
 
-	api, err := cloudflare.New(apiKey, apiEmail)
+	var api *cloudflare.API
+	if useToken {
+		api, err = cloudflare.NewWithAPIToken(apiToken)
+	} else {
+		api, err = cloudflare.New(apiKey, apiEmail)
+	}
 	if err != nil {
 		fmt.Fprintf(stderr, "Error contacting Cloudflare: %s\n", err.Error())
 		exit(1)
@@ -129,7 +142,7 @@ func main() {
 		exit(1)
 	}
 
-	allRecords, err := api.DNSRecords(id, cloudflare.DNSRecord{})
+	allRecords, err := api.DNSRecords(context.Background(), id, cloudflare.DNSRecord{})
 	if err != nil {
 		fmt.Fprintf(stderr, "Can't get zone records for '%s': %s\n", id, err.Error())
 		exit(1)
@@ -242,23 +255,23 @@ func main() {
 	}
 
 	for _, r := range deletes {
-		err = api.DeleteDNSRecord(id, r.ID)
+		err = api.DeleteDNSRecord(context.Background(), id, r.ID)
 		if err != nil {
 			fmt.Fprintf(stderr, "Failed to delete record %+v: %s\n", r, err.Error())
 			exit(1)
 		}
 	}
 
 	for _, r := range adds {
-		_, err = api.CreateDNSRecord(id, r)
+		_, err = api.CreateDNSRecord(context.Background(), id, r)
 		if err != nil {
 			fmt.Fprintf(stderr, "Failed to add record %+v: %s\n", r, err.Error())
 			exit(1)
 		}
 	}
 
 	for _, r := range updates {
-		err = api.UpdateDNSRecord(id, r.ID, r)
+		err = api.UpdateDNSRecord(context.Background(), id, r.ID, r)
 		if err != nil {
 			fmt.Fprintf(stderr, "Failed to update record %+v: %s\n", r, err.Error())
 			exit(1)

recordCollection.go

@@ -112,7 +112,7 @@ func (c recordCollection) Fprint(w io.Writer) {
 		name := r.Name + "." + strings.Repeat(" ", maxName-len(r.Name))
 
 		proxied := ""
-		if r.Proxied {
+		if r.Proxied != nil && *r.Proxied {
 			proxied = " ; PROXIED"
 		}
 
@@ -133,7 +133,8 @@ func parseZoneWithOriginAndTTLs(r io.Reader, origin string, autoTTL, cacheTTL in
 	var zoneName string
 	records := recordCollection{}
 
-	p := dns.NewZoneParser(r, "", "")
+	p := dns.NewZoneParser(r, origin, "")
+	p.SetIncludeAllowed(true)
 
 	for rr, ok := p.Next(); ok; rr, ok = p.Next() {
 		// Search for zonename while we're at it.
@@ -173,15 +174,17 @@ func newRecord(in dns.RR, autoTTL, cacheTTL int) (*cloudflare.DNSRecord, error)
 		Name: strings.Trim(in.Header().Name, "."),
 		TTL:  int(in.Header().Ttl),
 	}
+	doProxy := false
 
 	if record.TTL == cacheTTL {
-		record.Proxied = true
+		doProxy = true
 		record.TTL = cfCacheTTL
 	} else if record.TTL == autoTTL {
 		record.TTL = cfAutoTTL
 	} else if record.TTL < 1 {
 		record.TTL = 1
 	}
+	record.Proxied = &doProxy
 
 	switch v := in.(type) {
 	case *dns.A:
@@ -209,7 +212,7 @@ func newRecord(in dns.RR, autoTTL, cacheTTL int) (*cloudflare.DNSRecord, error)
 
 	case *dns.MX:
 		record.Content = strings.Trim(v.Mx, ".")
-		record.Priority = int(v.Preference)
+		record.Priority = &v.Preference
 		record.Type = "MX"
 
 		return record, nil
@@ -254,7 +257,7 @@ func FullMatch(a cloudflare.DNSRecord, b cloudflare.DNSRecord) bool {
 		return false
 	}
 
-	if a.Proxied != b.Proxied {
+	if a.Proxied != nil && b.Proxied != nil && *a.Proxied != *b.Proxied {
 		return false
 	}
 
@@ -269,7 +272,10 @@ func FullMatch(a cloudflare.DNSRecord, b cloudflare.DNSRecord) bool {
 		}
 
 	case "MX":
-		if a.Content == b.Content && a.Priority == b.Priority {
+		if a.Priority != nil && b.Priority != nil && *a.Priority != *b.Priority {
+			return false
+		}
+		if a.Content == b.Content {
 			return true
 		}
 	}