Beispiel #1
1
func WebSensorsAgent(ctx context.Context, db data.DB, u *models.User) {
	// 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)
		return ok
	})

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

			switch c.Record.(*models.Event).Name {
			case WEB_SENSOR_LOCATION:
				webSensorLocation(db, u, c.Record.(*models.Event).Data)
			}
		case <-ctx.Done():
			break Run

		}
	}
}
Beispiel #2
0
// execute retrieves the records matching a *query, which the user can read, and marshals them to attr maps.
//
// Errors:
//		- db.Query error
//		- access.CanRead error
//		- iter.Close error
func execute(db data.DB, u *models.User, q *query) ([]map[string]interface{}, error) {
	rs := make([]map[string]interface{}, 0)

	iter, err := db.Query(q.Kind).Limit(q.Limit).Batch(q.Batch).Skip(q.Skip).Select(q.Select).Order(q.Order...).Execute()
	if err != nil {
		return nil, err
	}

	m := models.ModelFor(q.Kind)
	for iter.Next(m) {
		ok, err := access.CanRead(db, u, m)

		if err != nil {
			return nil, err
		}

		if !ok {
			continue
		}

		temp := make(map[string]interface{})
		transfer.TransferAttrs(m, &temp)
		rs = append(rs, temp)
		m = models.ModelFor(q.Kind)
	}

	if err := iter.Close(); err != nil {
		return nil, err
	}

	return rs, nil
}
Beispiel #3
0
Datei: task.go Projekt: elos/gaia
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
	}
}
Beispiel #4
0
Datei: task.go Projekt: elos/gaia
func TaskAgent(ctx context.Context, db data.DB, u *models.User) {

	changes := data.Filter(data.FilterKind(db.Changes(), models.EventKind), func(c *data.Change) bool {
		ok, _ := access.CanRead(db, u, c.Record)
		return ok
	})

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

			switch c.Record.(*models.Event).Name {
			case TaskMakeGoal:
				taskMakeGoal(db, u, c.Record.(*models.Event).Data)
			case TaskDropGoal:
				taskDropGoal(db, u, c.Record.(*models.Event).Data)
			}
		case <-ctx.Done():
			break Run
		}
	}

}
Beispiel #5
0
Datei: cal.go Projekt: elos/elos
func createFixture(ui cli.Ui, ownerID string, db data.DB) (fixture *models.Fixture, err error) {
	ui.Output("Creating a fixture")

	fixture = models.NewFixture()
	fixture.SetID(db.NewID())
	fixture.OwnerId = ownerID
	fixture.CreatedAt = time.Now()

	if fixture.Name, err = stringInput(ui, "Name of the fixture:"); err != nil {
		return
	}

	if fixture.Label, err = boolInput(ui, "Is this a label?"); err != nil {
		return
	}

	if !fixture.Label {
		if fixture.StartTime, err = timeInput(ui, "Start time of fixture?"); err != nil {
			return
		}

		if fixture.EndTime, err = timeInput(ui, "End time of fixture?"); err != nil {
			return
		}
	}

	fixture.UpdatedAt = time.Now()

	err = db.Save(fixture)
	return
}
Beispiel #6
0
func newTestUserX(t *testing.T, db data.DB) *models.User {
	u := new(models.User)
	u.SetID(db.NewID())
	if err := db.Save(u); err != nil {
		t.Fatalf("Error newTestUserX: %s", err)
	}
	return u
}
Beispiel #7
0
func newTestCalendar(t *testing.T, db olddata.DB, u *oldmodels.User) *oldmodels.Calendar {
	c := oldmodels.NewCalendar()
	c.SetID(db.NewID())
	c.SetOwner(u)
	c.CreatedAt = time.Now()
	c.UpdatedAt = c.CreatedAt

	return c
}
Beispiel #8
0
func newTestUser(t *testing.T, db data.DB) *oldmodels.User {
	u := oldmodels.NewUser()
	u.SetID(db.NewID())
	u.CreatedAt = time.Now()
	u.UpdatedAt = time.Now()
	if err := db.Save(u); err != nil {
		t.Fatalf("Error newTestUser: %s", err)
	}
	return u
}
Beispiel #9
0
func newTestTag(t *testing.T, db data.DB, u *models.User) *models.Tag {
	tg := models.NewTag()
	tg.SetID(db.NewID())
	tg.SetOwner(u)

	if err := db.Save(tg); err != nil {
		t.Fatal(err)
	}

	return tg
}
Beispiel #10
0
func newTestTask(t *testing.T, db data.DB, u *models.User) *models.Task {
	tsk := new(models.Task)
	tsk.SetID(db.NewID())
	tsk.CreatedAt = models.TimestampFrom(time.Now())
	tsk.OwnerId = u.ID().String()
	tsk.UpdatedAt = models.TimestampFrom(time.Now())
	if err := db.Save(tsk); err != nil {
		t.Fatalf("Error newTestTask: %s", err)
	}
	return tsk
}
Beispiel #11
0
func newTestNote(t *testing.T, db data.DB, u *models.User) *models.Note {
	note := models.NewNote()
	note.SetID(db.NewID())
	note.CreatedAt = time.Now()
	note.OwnerId = u.ID().String()
	note.UpdatedAt = time.Now()
	if err := db.Save(note); err != nil {
		t.Fatal("newTestNote Error: %s", err)
	}
	return note
}
Beispiel #12
0
func newTestPerson(t *testing.T, db data.DB, u *models.User) *models.Person {
	person := models.NewPerson()
	person.SetID(db.NewID())
	person.CreatedAt = time.Now()
	person.OwnerId = u.ID().String()
	person.UpdatedAt = time.Now()
	if err := db.Save(person); err != nil {
		t.Fatalf("newTestPerson Error: %s", err)
	}
	return person
}
Beispiel #13
0
Datei: cal.go Projekt: elos/elos
func newCalendar(db data.DB, userID string) (*models.Calendar, error) {
	cal := models.NewCalendar()

	cal.SetID(db.NewID())
	cal.CreatedAt = time.Now()
	cal.Name = "Main"
	cal.OwnerId = userID
	cal.UpdatedAt = time.Now()

	return cal, db.Save(cal)
}
Beispiel #14
0
func locationUpdate(db data.DB, u *models.User, e *models.Event) {
	loc, _ := e.Location(db)
	p, err := user.Profile(db, u)
	if err == data.ErrNotFound {
		p = models.NewProfile()
		p.CreatedAt = time.Now()
		p.UpdatedAt = p.CreatedAt
		p.SetID(db.NewID())
		p.SetOwner(u)
	}
	p.SetLocation(loc)
	db.Save(p)
}
Beispiel #15
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

		}
	}
}
Beispiel #16
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)
}
Beispiel #17
0
func RecordChangesGET(ctx context.Context, ws *websocket.Conn, db data.DB, logger services.Logger) {
	l := logger.WithPrefix("RecordChangesGet: ")

	u, ok := user.FromContext(ctx)
	if !ok {
		l.Print("failed to retrieve user from context")
		return
	}

	// Get the db's changes, then filter by updates, then
	// filter by whether this user can read the record
	changes := data.Filter(db.Changes(), func(c *data.Change) bool {
		ok, err := access.CanRead(db, u, c.Record)
		if err != nil {
			l.Printf("error checking access control: %s", err)
		}
		return ok
	})

	var kind data.Kind
	if kindParam := ws.Request().Form.Get(kindParam); kindParam != "" {
		kind = data.Kind(kindParam)

		if _, ok := models.Kinds[kind]; !ok {
			l.Printf("unrecognized kind: %q", kind)
			if err := websocket.Message.Send(ws, fmt.Sprintf("The kind %q is not recognized", kind)); err != nil {
				if err != io.EOF {
					l.Printf("error sending on websocket: %s", err)
				}
			}
			return
		}

		// If a kind was specified, filter by it
		changes = data.FilterKind(changes, kind)
	}

	for {
		select {
		case change, ok := <-*changes:
			if !ok {
				l.Printf("change channel was closed")
				return
			}

			l.Printf("recieved change: %+v", change)

			changeTransport := transfer.Change(change)

			if err := websocket.JSON.Send(ws, changeTransport); err != nil {
				if err != io.EOF {
					l.Printf("error sending to socket: %s", err)
				}

				return
			}
		case <-time.After(5 * time.Second):
			l.Printf("no change in 5 seconds, but still listening")
		case <-ctx.Done():
			l.Printf("context cancelled")
			// context was cancelled
			return
		}
	}
}
Beispiel #18
0
// RecordQueryPOST implements gaia's response to a POST request to the '/record/query/' endpoint.
//
// Assumptions: The user has been authenticated.
//
// Proceedings:
//
// Success:
//		* StatusOK
//
// Error:
//		* InternalServerError: parsing url params,
//		* BadRequest: no kind parameter, unrecognized kind
func RecordQueryPOST(ctx context.Context, w http.ResponseWriter, r *http.Request, logger services.Logger, db data.DB) {
	l := logger.WithPrefix("RecordQueryPOST: ")

	// 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 kind parameter
	k := r.FormValue(kindParam)
	if k == "" {
		l.Printf("no kind parameter")
		http.Error(w, fmt.Sprintf("You must specify a %q parameter", kindParam), http.StatusBadRequest)
		return
	}
	kind := data.Kind(k)

	// Verify the kind is recognized
	if !models.Kinds[kind] {
		l.Printf("unrecognized kind %q", kind)
		http.Error(w, fmt.Sprintf("The kind %q is not recognized", kind), http.StatusBadRequest)
		return
	}

	// Retrieve the limit, batch and skip parameters
	lim := r.FormValue(limitParam)
	bat := r.FormValue(batchParam)
	ski := r.FormValue(skipParam)

	// Set up the variables to apply to the query
	var limit, batch, skip int
	if lim != "" {
		limit, _ = strconv.Atoi(lim)
	} else if bat != "" {
		batch, _ = strconv.Atoi(bat)
	} else if ski != "" {
		skip, _ = strconv.Atoi(ski)
	}

	// Read the selection attrs from the body
	var requestBody []byte
	var err error
	defer r.Body.Close()
	if requestBody, err = ioutil.ReadAll(r.Body); err != nil {
		l.Printf("error while reading request body: %s", err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}

	// These are the selectors, unmarshal the request body into them
	attrs := make(data.AttrMap)

	// only unmarshall if there is any request body
	if len(requestBody) > 0 {
		if err = json.Unmarshal(requestBody, &attrs); 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
		}
	}

	// Retrieve the user we are acting on behalf
	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
	}

	// Load our actual query
	var iter data.Iterator
	if iter, err = db.Query(kind).Select(attrs).Limit(limit).Batch(batch).Skip(skip).Order(r.Form["order"]...).Execute(); err != nil {
		l.Printf("db.Query(%q).Select(%v).Limit(%d).Batch(%d).Skip(%d) error: %s", kind, attrs, limit, batch, skip, err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}

	fmt.Fprint(w, "[")

	first := true

	// Iterator through the results and write the response
	m := models.ModelFor(kind)
	for iter.Next(m) {
		if !first {
			fmt.Fprint(w, ",")
		}
		first = false
		if ok, err := access.CanRead(db, u, m); err != nil {
			// We've hit an error and need to bail
			l.Printf("access.CanRead error: %s", err)
			http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
			return
		} else if ok {
			bytes, err := json.Marshal(m)
			if err != nil {
				l.Printf("error marshalling JSON: %s", err)
				http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
				return
			}
			w.Write(bytes)
		}
	}

	if err := iter.Close(); err != nil {
		l.Printf("error closing query, %s", err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}

	fmt.Fprint(w, "]")
}
Beispiel #19
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)
}