Add IPv4/IPv6 source from 'icanhazip.com'

Signed-off-by: Mel <mel@rnrd.eu>

1 files changed, 9 insertions, 4 deletions

diff --git a/source/source.go b/source/source.go
index ffa380a..571abda 100644
--- a/source/source.go
+++ b/source/source.go
@@ -13,10 +13,10 @@ import (
 type Kind string
 
 const (
-	// only the simple generic sources for now!
-	KindStatic Kind = "static"
-	KindURL    Kind = "url"
-	KindFile   Kind = "file"
+	KindStatic    Kind = "static"
+	KindURL       Kind = "url"
+	KindFile      Kind = "file"
+	KindICanHazIp Kind = "icanhazip"
 )
 
 type Family string
@@ -49,6 +49,11 @@ func New(log *slog.Logger, name string, cfg Config) (Source, error) {
 		),
 	)
 
+	if cfg.Kind == KindICanHazIp {
+		return newICanHazIp(log)
+	}
+
+	// all sources below need an explicit family
 	if cfg.Family != IPv4 && cfg.Family != IPv6 {
 		return nil, fmt.Errorf("%s source needs family set to ipv4 or ipv6", cfg.Kind)
 	}