Exemple #1
0
func webSensorLocation(db data.DB, u *models.User, eventData map[string]interface{}) {
	log.Printf("%++v", eventData)
	webTag, err := tag.ForName(db, u, "WEB")
	if err != nil {
		log.Fatal(err)
	}

	lat, ok := eventData["latitude"].(float64)
	if !ok {
		return // bail
	}

	lon, ok := eventData["longitude"].(float64)
	if !ok {
		return // bail
	}

	_, _, err = event.LocationUpdate(
		db,
		u,
		0,
		lat,
		lon,
		webTag,
	)

	if err != nil {
		log.Fatal(err)
	}
}
Exemple #2
0
func taskDropGoal(db data.DB, u *models.User, eventData map[string]interface{}) {
	g, err := tag.ForName(db, u, tag.Goal)
	if err != nil {
		log.Printf("agents.taskDropGoal Error: %s", err)
		return
	}

	id, err := db.ParseID(eventData["task_id"].(string))
	if err != nil {
		log.Printf("agents.taskDropGoal Error: %s", err)
		return
	}

	t, err := models.FindTask(db, id)
	if err != nil {
		log.Printf("agents.taskMakeGoal Error: %s", err)
		return
	}

	t.ExcludeTag(g)

	if err := db.Save(t); err != nil {
		log.Printf("agents.taskMakeGoal Error: %s", err)
		return
	}
}
Exemple #3
0
func LocationAgent(ctx context.Context, db data.DB, u *models.User) {
	locTag, err := tag.ForName(db, u, tag.Location)
	if err != nil {
		log.Fatal(err)
	}
	updTag, err := tag.ForName(db, u, tag.Update)
	if err != nil {
		log.Fatal(err)
	}

	// Get the db's changes, then filter by updates, then
	// filter by whether this user can read the record
	changes := data.Filter(data.FilterKind(db.Changes(), models.EventKind), func(c *data.Change) bool {
		ok, _ := access.CanRead(db, u, c.Record)
		if !ok {
			return false
		}

		return event.ContainsTags(c.Record.(*models.Event), locTag, updTag)
	})

Run:
	for {
		select {
		case c, ok := <-*changes:
			if !ok {
				break Run
			}

			locationUpdate(db, u, c.Record.(*models.Event))
		case <-ctx.Done():
			break Run

		}
	}
}
Exemple #4
0
// EventPOST implements gaia's response to a POST request to the '/event/' endpoint.
//
// Assumptions: The user has been authenticated.
//
// Proceedings: Parses the url parameters.
func EventPOST(ctx context.Context, w http.ResponseWriter, r *http.Request, db data.DB, logger services.Logger) {
	l := logger.WithPrefix("EventPOST: ")

	// Parse the form
	if err := r.ParseForm(); err != nil {
		l.Printf("error parsing form: %s", err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}

	// Retrieve the tags parameter
	tagNames, ok := r.Form[tagsParam]
	if !ok {
		l.Print("no tags param")
		tagNames = []string{}
	}
	// if any tag names have commas, split those
	tagNames = flatten(mapSplit(tagNames, ","))

	// Retrieve our user
	u, ok := user.FromContext(ctx)
	if !ok {
		l.Print("failed to retrieve user from context")
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}

	e := new(models.Event)

	tags := make([]*models.Tag, len(tagNames))
	for i, n := range tagNames {
		t, err := tag.ForName(db, u, tag.Name(n))
		if err != nil {
			l.Printf("tag.ForName(%q) error: %s", n, err)
			http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
			return
		}
		tags[i] = t
	}

	defer r.Body.Close()
	if requestBody, err := ioutil.ReadAll(r.Body); err != nil {
		l.Printf("ioutil.ReadAll(r.Body) error: %s", err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	} else if err := json.Unmarshal(requestBody, e); err != nil {
		l.Printf("info: request body:\n%s", string(requestBody))
		l.Printf("error: while unmarshalling request body, %s", err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}

	if e.CreatedAt.IsZero() {
		e.CreatedAt = time.Now()
	}
	e.UpdatedAt = time.Now()
	e.SetOwner(u)

	for _, t := range tags {
		e.IncludeTag(t)
	}

	if allowed, err := access.CanCreate(db, u, e); err != nil {
		l.Printf("access.CanCreate(db, u, e) error: %s", err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	} else if !allowed {
		l.Print("access.CanCreate(db, u, e) rejected authorization")
		http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
		return
	}

	if err := db.Save(u); err != nil {
		l.Printf("error saving record: %s", err)
		switch err {
		case data.ErrAccessDenial:
			http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
		// These are all equally distressing
		case data.ErrNotFound: // TODO shouldn't a not found not be fing impossible for a Save?
			fallthrough
		case data.ErrNoConnection:
			fallthrough
		case data.ErrInvalidID:
		default:
			http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		}
		return
	}

	// Now we shall write our response
	b, err := json.MarshalIndent(e, "", "    ")
	if err != nil {
		l.Printf("json.MarshalIndent(m, \"\", \"   \") error: %s", err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}

	w.WriteHeader(http.StatusCreated)
	w.Header().Set("Content-Type", "application/json")
	w.Write(b)
}
Exemple #5
0
func MobileLocationPOST(ctx context.Context, w http.ResponseWriter, r *http.Request, l services.Logger, db data.DB) {
	// Parse the form value
	if err := r.ParseForm(); err != nil {
		l.Printf("MobileLocationPOST Error: %s", err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}

	// Altitude
	alt := r.FormValue(altitudeParam)
	if alt == "" {
		http.Error(w, "You must specify an altitude", http.StatusBadRequest)
		return
	}
	altitude, err := strconv.ParseFloat(alt, 64)
	if err != nil {
		http.Error(w, "Parsing altitude", http.StatusBadRequest)
		return
	}

	// Latitude
	lat := r.FormValue(latitudeParam)
	if lat == "" {
		http.Error(w, "You must specify a latitude", http.StatusBadRequest)
		return
	}
	latitude, err := strconv.ParseFloat(lat, 64)
	if err != nil {
		http.Error(w, "Parsing latitude", http.StatusBadRequest)
		return
	}

	// Longitude
	lon := r.FormValue(longitudeParam)
	if lon == "" {
		http.Error(w, "You must specify an longitude", http.StatusBadRequest)
		return
	}
	longitude, err := strconv.ParseFloat(lon, 64)
	if err != nil {
		http.Error(w, "Parsing longitude", http.StatusBadRequest)
		return
	}

	// Retrieve the user this request was authenticated as
	u, ok := user.FromContext(ctx)
	if !ok { // This is certainly an issue, and should _never_ happen
		l.Print("MobileLocationPOST Error: failed to retrieve user from context")
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}

	// Create location
	loc := location.NewCoords(altitude, latitude, longitude)
	loc.SetID(db.NewID())
	loc.SetOwner(u)

	now := loc.CreatedAt

	e := models.NewEvent()
	e.CreatedAt = now
	e.SetID(db.NewID())
	e.SetOwner(u)
	e.Name = "Location Update"
	e.SetLocation(loc)
	e.Time = now
	e.UpdatedAt = now

	locationTag, err1 := tag.ForName(db, u, tag.Location)
	updateTag, err2 := tag.ForName(db, u, tag.Update)
	mobileTag, err3 := tag.ForName(db, u, tag.Mobile)
	if err1 != nil || err2 != nil || err3 != nil {
		l.Printf("MobileLocationPOST Error: %s", err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}
	e.IncludeTag(locationTag)
	e.IncludeTag(updateTag)
	e.IncludeTag(mobileTag)

	if err = db.Save(loc); err != nil {
		l.Printf("MobileLocationPOST Error: %s", err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}

	if err = db.Save(e); err != nil {
		l.Printf("MobileLocationPOST Error: %s", err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}

	bytes, err := json.MarshalIndent(e, "", "	")
	if err != nil {
		l.Printf("MobileLocationPOST Error: while marshalling json %s", err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}

	w.WriteHeader(http.StatusCreated)
	w.Header().Set("Content-Type", "application/json")
	w.Write(bytes)
}