add api endpoints

api/post.go

@@ -0,0 +1,99 @@
+package api
+
+import (
+	"fmt"
+	"net/http"
+	"strconv"
+	"strings"
+
+	"github.com/parkan/go-hauk/model"
+)
+
+func (s *Server) handlePost(w http.ResponseWriter, r *http.Request) {
+	ctx := r.Context()
+
+	if err := r.ParseForm(); err != nil {
+		http.Error(w, "bad request", http.StatusBadRequest)
+		return
+	}
+
+	sid := r.FormValue("sid")
+	lat := r.FormValue("lat")
+	lon := r.FormValue("lon")
+	ts := r.FormValue("time")
+
+	if sid == "" || lat == "" || lon == "" || ts == "" {
+		fmt.Fprintln(w, "Missing data!")
+		return
+	}
+
+	session, err := model.LoadSession(ctx, s.store, sid, s.cfg.MaxCachedPts)
+	if err != nil {
+		fmt.Fprintln(w, "Session expired!")
+		return
+	}
+
+	var point []any
+
+	if !session.Encrypted() {
+		latF, _ := strconv.ParseFloat(lat, 64)
+		lonF, _ := strconv.ParseFloat(lon, 64)
+		timeF, _ := strconv.ParseFloat(ts, 64)
+
+		if latF < -90 || latF > 90 || lonF < -180 || lonF > 180 {
+			fmt.Fprintln(w, "Invalid location!")
+			return
+		}
+
+		var speed, acc *float64
+		if spd := r.FormValue("spd"); spd != "" {
+			v, _ := strconv.ParseFloat(spd, 64)
+			speed = &v
+		}
+		if a := r.FormValue("acc"); a != "" {
+			v, _ := strconv.ParseFloat(a, 64)
+			acc = &v
+		}
+
+		prv := 0
+		if r.FormValue("prv") == "1" {
+			prv = 1
+		}
+
+		point = []any{latF, lonF, timeF, prv, acc, speed}
+	} else {
+		iv := r.FormValue("iv")
+		if iv == "" {
+			fmt.Fprintln(w, "Missing data!")
+			return
+		}
+
+		var speed, acc, prv any
+		if spd := r.FormValue("spd"); spd != "" {
+			speed = spd
+		}
+		if a := r.FormValue("acc"); a != "" {
+			acc = a
+		}
+		if p := r.FormValue("prv"); p != "" {
+			prv = p
+		}
+
+		point = []any{iv, lat, lon, ts, prv, acc, speed}
+	}
+
+	session.AddPoint(point)
+	if err := session.Save(ctx); err != nil {
+		http.Error(w, "internal error", http.StatusInternalServerError)
+		return
+	}
+
+	if session.HasExpired() {
+		fmt.Fprintln(w, "Session expired!")
+		return
+	}
+
+	fmt.Fprintln(w, "OK")
+	fmt.Fprintf(w, "%s?%%s\n", s.cfg.PublicURL)
+	fmt.Fprintln(w, strings.Join(session.Targets(), ","))
+}