wip: migrate to mono-repo. SPN has already been moved to spn/

service/resolver/api.go

@@ -0,0 +1,73 @@
+package resolver
+
+import (
+	"net/http"
+
+	"github.com/safing/portbase/api"
+	"github.com/safing/portbase/database/record"
+)
+
+func registerAPI() error {
+	if err := api.RegisterEndpoint(api.Endpoint{
+		Path:        "dns/clear",
+		Write:       api.PermitUser,
+		BelongsTo:   module,
+		ActionFunc:  clearNameCacheHandler,
+		Name:        "Clear cached DNS records",
+		Description: "Deletes all saved DNS records from the database.",
+	}); err != nil {
+		return err
+	}
+
+	if err := api.RegisterEndpoint(api.Endpoint{
+		Path:        "dns/resolvers",
+		Read:        api.PermitAnyone,
+		BelongsTo:   module,
+		StructFunc:  exportDNSResolvers,
+		Name:        "List DNS Resolvers",
+		Description: "List currently configured DNS resolvers and their status.",
+	}); err != nil {
+		return err
+	}
+
+	if err := api.RegisterEndpoint(api.Endpoint{
+		Path:      `dns/cache/{query:[a-z0-9\.-]{0,512}\.[A-Z]{1,32}}`,
+		Read:      api.PermitUser,
+		BelongsTo: module,
+		RecordFunc: func(r *api.Request) (record.Record, error) {
+			return recordDatabase.Get(nameRecordsKeyPrefix + r.URLVars["query"])
+		},
+		Name:        "Get DNS Record from Cache",
+		Description: "Returns cached dns records from the internal cache.",
+		Parameters: []api.Parameter{{
+			Method:      http.MethodGet,
+			Field:       "query (in path)",
+			Value:       "fqdn and query type",
+			Description: "Specify the query like this: `example.com.A`.",
+		}},
+	}); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+type resolverExport struct {
+	*Resolver
+	Failing bool
+}
+
+func exportDNSResolvers(*api.Request) (interface{}, error) {
+	resolversLock.RLock()
+	defer resolversLock.RUnlock()
+
+	export := make([]resolverExport, 0, len(globalResolvers))
+	for _, r := range globalResolvers {
+		export = append(export, resolverExport{
+			Resolver: r,
+			Failing:  r.Conn.IsFailing(),
+		})
+	}
+
+	return export, nil
+}