platform: modularize api/gui, add docs-tests-web foundation, and refresh root config

selective-vpn-api/app/traffic_appmarks_handlers_post_parse.go

@@ -0,0 +1,56 @@
+package app
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"strings"
+)
+
+type trafficAppMarksPostInput struct {
+	Op         TrafficAppMarksOp
+	Target     string
+	Cgroup     string
+	CgroupRaw  string
+	Unit       string
+	Command    string
+	AppKey     string
+	TimeoutSec int
+}
+
+func decodeTrafficAppMarksPostInput(r *http.Request) (trafficAppMarksPostInput, string) {
+	var body TrafficAppMarksRequest
+	if r.Body != nil {
+		defer r.Body.Close()
+		if err := json.NewDecoder(io.LimitReader(r.Body, 1<<20)).Decode(&body); err != nil && err != io.EOF {
+			return trafficAppMarksPostInput{}, "bad json"
+		}
+	}
+
+	in := trafficAppMarksPostInput{
+		Op:         TrafficAppMarksOp(strings.ToLower(strings.TrimSpace(string(body.Op)))),
+		Target:     strings.ToLower(strings.TrimSpace(body.Target)),
+		Cgroup:     strings.TrimSpace(body.Cgroup),
+		CgroupRaw:  body.Cgroup,
+		Unit:       strings.TrimSpace(body.Unit),
+		Command:    strings.TrimSpace(body.Command),
+		AppKey:     strings.TrimSpace(body.AppKey),
+		TimeoutSec: body.TimeoutSec,
+	}
+	if in.Op == "" {
+		return trafficAppMarksPostInput{}, "missing op"
+	}
+	if in.Target == "" {
+		return trafficAppMarksPostInput{}, "missing target"
+	}
+	if in.Target != "vpn" && in.Target != "direct" {
+		return trafficAppMarksPostInput{}, "target must be vpn|direct"
+	}
+	if (in.Op == TrafficAppMarksAdd || in.Op == TrafficAppMarksDel) && in.Cgroup == "" {
+		return trafficAppMarksPostInput{}, "missing cgroup"
+	}
+	if in.TimeoutSec < 0 {
+		return trafficAppMarksPostInput{}, "timeout_sec must be >= 0"
+	}
+	return in, ""
+}