feat: wire up asn and geoip checkers

Signed-off-by: Xe Iaso <me@xeiaso.net>

lib/policy/config/config.go

@@ -91,7 +91,9 @@ func (b BotConfig) Valid() error {
 	allFieldsEmpty := b.UserAgentRegex == nil &&
 		b.PathRegex == nil &&
 		len(b.RemoteAddr) == 0 &&
-		len(b.HeadersRegex) == 0
+		len(b.HeadersRegex) == 0 &&
+		b.ASNs == nil &&
+		b.GeoIP == nil
 
 	if allFieldsEmpty && b.Expression == nil {
 		errs = append(errs, ErrBotMustHaveUserAgentOrPath)

lib/policy/config/testdata/good/challenge_cloudflare.yaml

@@ -0,0 +1,6 @@
+bots:
+  - name: challenge-cloudflare
+    action: CHALLENGE
+    asns:
+      match:
+        - 13335 # Cloudflare

lib/policy/config/testdata/good/geoip_us.yaml

@@ -0,0 +1,6 @@
+bots:
+  - name: compute-tarrif-us
+    action: CHALLENGE
+    geoip:
+      countries:
+        - US