Initial commit

checker/interactive.go

@@ -0,0 +1,51 @@
+package checker
+
+import (
+	"errors"
+	"net/http"
+	"strings"
+
+	sdk "git.happydns.org/checker-sdk-go/checker"
+)
+
+// RenderForm exposes a single "name" input for the standalone /check route.
+func (p *aliasProvider) RenderForm() []sdk.CheckerOptionField {
+	return []sdk.CheckerOptionField{
+		{
+			Id:          "name",
+			Type:        "string",
+			Label:       "Domain name to check",
+			Placeholder: "alias.example.com",
+			Required:    true,
+			Description: "Fully-qualified name carrying (or suspected of carrying) a CNAME / DNAME / ALIAS record.",
+		},
+	}
+}
+
+// ParseForm turns the submitted name into a minimal CheckerOptions set. We
+// let the collector discover the apex on its own.
+func (p *aliasProvider) ParseForm(r *http.Request) (sdk.CheckerOptions, error) {
+	name := strings.TrimSpace(r.FormValue("name"))
+	if name == "" {
+		return nil, errors.New("name is required")
+	}
+	name = strings.TrimSuffix(name, ".")
+
+	// Split into subdomain + parent-like domain_name. The collector accepts
+	// either representation; we hand both keys so rules that autoscope on
+	// domain_name still work.
+	parts := strings.SplitN(name, ".", 2)
+	sub := parts[0]
+	parent := ""
+	if len(parts) == 2 {
+		parent = parts[1]
+	} else {
+		parent = name
+		sub = ""
+	}
+
+	return sdk.CheckerOptions{
+		"domain_name": parent,
+		"subdomain":   sub,
+	}, nil
+}