Add DNS challenge provider for namecheap.

CHANGELOG.md

@@ -3,12 +3,12 @@
 ## Unreleased
 
 ### Added:
-- CLI: The `--dns` switch. To include the DNS challenge for consideration. Supported are the following solvers: cloudflare, digitalocean, dnsimple, gandi, route53, rfc2136 and manual.
+- CLI: The `--dns` switch. To include the DNS challenge for consideration. Supported are the following solvers: cloudflare, digitalocean, dnsimple, gandi, namecheap, route53, rfc2136 and manual.
 - CLI: The `--accept-tos`  switch. Indicates your acceptance of the Let's Encrypt terms of service without prompting you.
 - lib: A new type for challenge identifiers `Challenge`
 - lib: A new interface for custom challenge providers `ChallengeProvider`
 - lib: SetChallengeProvider function. Pass a challenge identifier and a Provider to replace the default behaviour of a challenge.
-- lib: The DNS-01 challenge has been implemented with modular solvers using the `ChallengeProvider` interface. Included solvers are: cloudflare, digitalocean, dnsimple, gandi, route53, rfc2136 and manual.
+- lib: The DNS-01 challenge has been implemented with modular solvers using the `ChallengeProvider` interface. Included solvers are: cloudflare, digitalocean, dnsimple, gandi, namecheap, route53, rfc2136 and manual.
 
 ### Changed
 - lib: ExcludeChallenges now expects to be passed an array of `Challenge` types.

README.md

@@ -99,6 +99,7 @@ GLOBAL OPTIONS:
 									digitalocean: DO_AUTH_TOKEN
 									dnsimple: DNSIMPLE_EMAIL, DNSIMPLE_API_KEY
 									gandi: GANDI_API_KEY
+									namecheap: NAMECHEAP_API_USER, NAMECHEAP_API_KEY
 									route53: AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_REGION
 									rfc2136: RFC2136_TSIG_KEY, RFC2136_TSIG_SECRET, RFC2136_TSIG_ALGORITHM, RFC2136_NAMESERVER
 									manual: none

cli.go

@@ -138,6 +138,7 @@ func main() {
 				"\n\tdigitalocean: DO_AUTH_TOKEN" +
 				"\n\tdnsimple: DNSIMPLE_EMAIL, DNSIMPLE_API_KEY" +
 				"\n\tgandi: GANDI_API_KEY" +
+				"\n\tnamecheap: NAMECHEAP_API_USER, NAMECHEAP_API_KEY" +
 				"\n\troute53: AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_REGION" +
 				"\n\trfc2136: RFC2136_TSIG_KEY, RFC2136_TSIG_SECRET, RFC2136_TSIG_ALGORITHM, RFC2136_NAMESERVER" +
 				"\n\tmanual: none",

cli_handlers.go

@@ -15,6 +15,7 @@ import (
 	"github.com/xenolf/lego/providers/dns/digitalocean"
 	"github.com/xenolf/lego/providers/dns/dnsimple"
 	"github.com/xenolf/lego/providers/dns/gandi"
+	"github.com/xenolf/lego/providers/dns/namecheap"
 	"github.com/xenolf/lego/providers/dns/rfc2136"
 	"github.com/xenolf/lego/providers/dns/route53"
 	"github.com/xenolf/lego/providers/http/webroot"
@@ -62,7 +63,7 @@ func setup(c *cli.Context) (*Configuration, *Account, *acme.Client) {
 		}
 
 		client.SetChallengeProvider(acme.HTTP01, provider)
-		
+
 		// --webroot=foo indicates that the user specifically want to do a HTTP challenge
 		// infer that the user also wants to exclude all other challenges
 		client.ExcludeChallenges([]acme.Challenge{acme.DNS01, acme.TLSSNI01})
@@ -96,6 +97,8 @@ func setup(c *cli.Context) (*Configuration, *Account, *acme.Client) {
 		case "gandi":
 			apiKey := os.Getenv("GANDI_API_KEY")
 			provider, err = gandi.NewDNSProvider(apiKey)
+		case "namecheap":
+			provider, err = namecheap.NewDNSProvider("", "")
 		case "route53":
 			awsRegion := os.Getenv("AWS_REGION")
 			provider, err = route53.NewDNSProvider("", "", awsRegion)