def post(self, request):
# Attempt authentication
try:
username = request.POST['username']
password = request.POST['password']
except KeyError:
# Failed to get POST parameters, invalid request
logger.warning(
'Did not specify username & password in login request.')
return HttpResponseBadRequest(
'Login must be POST request with '
'"username" and "password" parameters.')
# Use credentials to authenticate
user = authenticate(username=username, password=password)
if user is not None and user.is_active:
# Successful authentication with active user, login
login(request, user)
logger.info('User logged in: %s.' % user.username)
return HttpResponse('Login Successful.')
else:
# Invalid user credentials, invalid request
logger.warning('Invalid credentials in login request.')
logger.debug(request)
return HttpResponseBadRequest('Invalid Credentials.')
def get(self, request):
logger.info('Admin downloading team evaluation.')
# Get the mission to evaluate a team for.
mission, error = mission_for_request(request.GET)
if error:
logger.warning('Could not get mission to evaluate teams.')
return error
# Get the optional team to eval.
users = None
if 'team' in request.GET:
try:
team = int(request.GET['team'])
users = [User.objects.get(pk=team)]
except TypeError:
return HttpResponseBadRequest('Team not an ID.')
except User.DoesNotExist:
return HttpResponseNotFound('Team not found.')
# Get the eval data for the teams
user_eval_data = mission.evaluate_teams(users)
if not user_eval_data:
logger.warning('No data for team evaluation.')
return HttpResponseServerError(
'Could not get user evaluation data.')
# Convert to username key-d map.
user_eval_data = {u.username: d for u, d in user_eval_data.iteritems()}
return self.format_response(user_eval_data)
def get(self, request):
# Log user access to server information.
logger.info('User downloaded server info: %s.' % request.user.username)
ServerInfoAccessLog(user=request.user).save()
# Form response.
try:
# Get the server info stored in the active mission.
server_info_key = '/ServerInfo/latest'
info = cache.get(server_info_key)
if info is None:
(mission, err) = active_mission()
if err:
return err
info = mission.server_info
if not info:
return HttpResponseServerError(
'No server info for mission.')
cache.set(server_info_key, info)
except ServerInfo.DoesNotExist:
# Failed to obtain server info.
return HttpResponseServerError('No server info available.')
# Form JSON response.
data = info.json()
data['server_time'] = datetime.datetime.now().isoformat()
return JsonResponse(data)
def get(self, request):
logger.info('Admin downloading team evaluation.')
# Get the mission to evaluate a team for.
mission, error = mission_for_request(request.GET)
if error:
logger.warning('Could not get mission to evaluate teams.')
return error
# Get the optional team to eval.
users = None
if 'team' in request.GET:
try:
team = int(request.GET['team'])
users = [User.objects.get(pk=team)]
except TypeError:
return HttpResponseBadRequest('Team not an ID.')
except User.DoesNotExist:
return HttpResponseNotFound('Team not found.')
# Get the eval data for the teams
user_eval_data = mission.evaluate_teams(users)
if not user_eval_data:
logger.warning('No data for team evaluation.')
return HttpResponseServerError(
'Could not get user evaluation data.')
# Convert to username key-d map.
user_eval_data = {u.username: d for u, d in user_eval_data.iteritems()}
return self.format_response(user_eval_data)
def post(self, request):
# Attempt authentication
try:
username = request.POST['username']
password = request.POST['password']
except KeyError:
# Failed to get POST parameters, invalid request
logger.warning(
'Did not specify username & password in login request.')
return HttpResponseBadRequest(
'Login must be POST request with '
'"username" and "password" parameters.')
# Use credentials to authenticate
user = authenticate(username=username, password=password)
if user is not None and user.is_active:
# Successful authentication with active user, login
login(request, user)
logger.info('User logged in: %s.' % user.username)
return HttpResponse('Login Successful.')
else:
# Invalid user credentials, invalid request
logger.warning('Invalid credentials in login request.')
logger.debug(request)
return HttpResponseBadRequest('Invalid Credentials.')
def get(self, request):
# Log user access to server information.
logger.info('User downloaded server info: %s.' % request.user.username)
ServerInfoAccessLog(user=request.user).save()
# Form response.
try:
# Get the server info stored in the active mission.
server_info_key = '/ServerInfo/latest'
info = cache.get(server_info_key)
if info is None:
(mission, err) = active_mission()
if err:
return err
info = mission.server_info
if not info:
return HttpResponseServerError(
'No server info for mission.')
cache.set(server_info_key, info)
except ServerInfo.DoesNotExist:
# Failed to obtain server info.
return HttpResponseServerError('No server info available.')
# Form JSON response.
data = info.json()
data['server_time'] = datetime.datetime.now().isoformat()
return JsonResponse(data)
def get(self, request):
logger.info('Admin downloaded team evaluation.')
# Get the mission to evaluate a team for.
mission, error = mission_for_request(request.GET)
if error:
logger.warning('Could not get mission to evaluate teams.')
return error
# Get the eval data for the teams
user_eval_data = mission.evaluate_teams()
if not user_eval_data:
logger.warning('No data for team evaluation.')
return HttpResponseServerError(
'Could not get user evaluation data.')
# Reformat to column oriented
user_col_data = {}
for (user, eval_data) in user_eval_data.iteritems():
col_data = user_col_data.setdefault(user, {})
col_data['username'] = user.username
work_queue = [([], eval_data)]
while len(work_queue) > 0:
(cur_prefixes, cur_map) = work_queue.pop()
for (key, val) in cur_map.iteritems():
new_prefixes = copy.copy(cur_prefixes)
new_prefixes.append(str(key))
if isinstance(val, dict):
work_queue.append((new_prefixes, val))
else:
column_key = '.'.join(new_prefixes)
if isinstance(val, list):
col_data[column_key] = ','.join(val)
else:
col_data[column_key] = val
# Get column headers
col_headers = set()
for col_data in user_col_data.values():
for header in col_data.keys():
col_headers.add(header)
col_headers = sorted(col_headers)
# Write output
csv_output = cStringIO.StringIO()
writer = csv.DictWriter(csv_output, fieldnames=col_headers)
writer.writeheader()
for col_data in user_col_data.values():
writer.writerow(col_data)
output = csv_output.getvalue()
csv_output.close()
return HttpResponse(output)
def get(self, request):
logger.info('Admin downloaded team evaluation.')
# Get the mission to evaluate a team for.
mission, error = mission_for_request(request.GET)
if error:
logger.warning('Could not get mission to evaluate teams.')
return error
# Get the eval data for the teams
user_eval_data = mission.evaluate_teams()
if not user_eval_data:
logger.warning('No data for team evaluation.')
return HttpResponseServerError(
'Could not get user evaluation data.')
# Reformat to column oriented
user_col_data = {}
for (user, eval_data) in user_eval_data.iteritems():
col_data = user_col_data.setdefault(user, {})
col_data['username'] = user.username
work_queue = [([], eval_data)]
while len(work_queue) > 0:
(cur_prefixes, cur_map) = work_queue.pop()
for (key, val) in cur_map.iteritems():
new_prefixes = copy.copy(cur_prefixes)
new_prefixes.append(str(key))
if isinstance(val, dict):
work_queue.append((new_prefixes, val))
else:
column_key = '.'.join(new_prefixes)
if isinstance(val, list):
col_data[column_key] = ','.join(val)
else:
col_data[column_key] = val
# Get column headers
col_headers = set()
for col_data in user_col_data.values():
for header in col_data.keys():
col_headers.add(header)
col_headers = sorted(col_headers)
# Write output
csv_output = cStringIO.StringIO()
writer = csv.DictWriter(csv_output, fieldnames=col_headers)
writer.writeheader()
for col_data in user_col_data.values():
writer.writerow(col_data)
output = csv_output.getvalue()
csv_output.close()
return HttpResponse(output, content_type='text/csv')
def get(self, request):
logger.info('Admin downloading team evaluation.')
# Get the mission to evaluate a team for.
mission, error = mission_for_request(request.GET)
if error:
logger.warning('Could not get mission to evaluate teams.')
return error
# Get the optional team to eval.
users = None
if 'team' in request.GET:
try:
team = int(request.GET['team'])
users = [User.objects.get(pk=team)]
except TypeError:
return HttpResponseBadRequest('Team not an ID.')
except User.DoesNotExist:
return HttpResponseNotFound('Team not found.')
# Get the eval data for the teams.
mission_eval = mission_evaluation.evaluate_teams(mission, users)
if not mission_eval:
logger.warning('No data for team evaluation.')
return HttpResponseServerError(
'Could not get user evaluation data.')
# Form Zip file.
zip_io = cStringIO.StringIO()
with zipfile.ZipFile(zip_io, 'w') as zip_file:
zip_file.writestr(
'/evaluate_teams/all.json',
self.pretty_json(json_format.MessageToJson(mission_eval)))
team_jsons = []
for team_eval in mission_eval.teams:
team_json = self.pretty_json(
json_format.MessageToJson(team_eval))
zip_file.writestr(
'/evaluate_teams/teams/%s.json' % team_eval.team,
team_json)
team_jsons.append(team_json)
zip_file.writestr('/evaluate_teams/all.csv',
self.csv_from_json(team_jsons))
zip_output = zip_io.getvalue()
zip_io.close()
return HttpResponse(zip_output, content_type='application/zip')
def get(self, request):
logger.info('Admin downloading team evaluation.')
# Get the mission to evaluate a team for.
mission, error = mission_for_request(request.GET)
if error:
logger.warning('Could not get mission to evaluate teams.')
return error
# Get the optional team to eval.
users = None
if 'team' in request.GET:
try:
team = int(request.GET['team'])
users = [User.objects.get(pk=team)]
except TypeError:
return HttpResponseBadRequest('Team not an ID.')
except User.DoesNotExist:
return HttpResponseNotFound('Team not found.')
# Get the eval data for the teams.
mission_eval = mission_evaluation.evaluate_teams(mission, users)
if not mission_eval:
logger.warning('No data for team evaluation.')
return HttpResponseServerError(
'Could not get user evaluation data.')
# Form Zip file.
zip_io = cStringIO.StringIO()
with zipfile.ZipFile(zip_io, 'w') as zip_file:
zip_file.writestr(
'/evaluate_teams/all.json',
self.pretty_json(json_format.MessageToJson(mission_eval)))
team_jsons = []
for team_eval in mission_eval.teams:
team_json = self.pretty_json(json_format.MessageToJson(
team_eval))
zip_file.writestr('/evaluate_teams/teams/%s.json' %
team_eval.team, team_json)
team_jsons.append(team_json)
zip_file.writestr('/evaluate_teams/all.csv',
self.csv_from_json(team_jsons))
zip_output = zip_io.getvalue()
zip_io.close()
return HttpResponse(zip_output, content_type='application/zip')
def get(self, request):
time = timezone.now()
# ?time=TIMESTAMP to get obstacle location at specific time
if 'time' in request.GET:
if not request.user.is_superuser:
return HttpResponseBadRequest(
'Only superusers may set the time parameter')
try:
time = iso8601.parse_date(request.GET['time'])
except iso8601.ParseError:
return HttpResponseBadRequest("Bad timestamp '%s'" % \
request.GET['time'])
# Log user access to obstacle info
logger.info('User downloaded obstacle info: %s.' %
request.user.username)
# Get active mission for forming responses.
(mission, err) = active_mission()
if err:
return err
# Form JSON response portion for stationary obstacles
stationary_obstacles_cached = True
stationary_obstacles_key = '/StationaryObstacle/all'
stationary_obstacles = cache.get(stationary_obstacles_key)
if stationary_obstacles is None:
stationary_obstacles = mission.stationary_obstacles.all()
stationary_obstacles_cached = False
stationary_obstacles_json = []
for cur_obst in stationary_obstacles:
# Add current obstacle
cur_obst_json = cur_obst.json()
stationary_obstacles_json.append(cur_obst_json)
# Form JSON response portion for moving obstacles
moving_obstacles_cached = True
moving_obstacles_key = '/MovingObstacle/all'
moving_obstacles = cache.get(moving_obstacles_key)
if moving_obstacles is None:
moving_obstacles = mission.moving_obstacles.all()
moving_obstacles_cached = False
moving_obstacles_json = []
for cur_obst in moving_obstacles:
# Add current obstacle
cur_obst_json = cur_obst.json(time=time)
moving_obstacles_json.append(cur_obst_json)
# Form final JSON response
data = {
'stationary_obstacles': stationary_obstacles_json,
'moving_obstacles': moving_obstacles_json
}
# Cache obstacles for next request
if not stationary_obstacles_cached:
cache.set(stationary_obstacles_key, stationary_obstacles)
if not moving_obstacles_cached:
cache.set(moving_obstacles_key, moving_obstacles)
# Return JSON data
return HttpResponse(json.dumps(data), content_type="application/json")
def post(self, request):
"""Posts the UAS position with a POST request.
User must send a POST request with the following paramters:
latitude: A latitude in decimal degrees.
longitude: A logitude in decimal degrees.
altitude_msl: An MSL altitude in decimal feet.
uas_heading: The UAS (true north) heading in decimal degrees.
"""
try:
# Get the parameters
latitude = float(request.POST['latitude'])
longitude = float(request.POST['longitude'])
altitude_msl = float(request.POST['altitude_msl'])
uas_heading = float(request.POST['uas_heading'])
except KeyError:
# Failed to get POST parameters
logger.warning(
'User did not specify all params for uas telemetry request.')
logger.debug(request)
return HttpResponseBadRequest(
'Posting UAS position must contain POST parameters "latitude", '
'"longitude", "altitude_msl", and "uas_heading".')
except ValueError:
# Failed to convert parameters
logger.warning(
'User specified a param which could not converted to an ' +
'appropriate type.')
logger.debug(request)
return HttpResponseBadRequest(
'Failed to convert provided POST parameters to correct form.')
else:
# Check the values make sense
if latitude < -90 or latitude > 90:
logger.warning('User specified latitude out of valid range.')
logger.debug(request)
return HttpResponseBadRequest(
'Must provide latitude between -90 and 90 degrees.')
if longitude < -180 or longitude > 180:
logger.warning('User specified longitude out of valid range.')
logger.debug(request)
return HttpResponseBadRequest(
'Must provide longitude between -180 and 180 degrees.')
if uas_heading < 0 or uas_heading > 360:
logger.warning('User specified altitude out of valid range.')
logger.debug(request)
return HttpResponseBadRequest(
'Must provide heading between 0 and 360 degrees.')
# Store telemetry
logger.info('User uploaded telemetry: %s' % request.user.username)
gpos = GpsPosition(latitude=latitude, longitude=longitude)
gpos.save()
apos = AerialPosition(gps_position=gpos, altitude_msl=altitude_msl)
apos.save()
telemetry = UasTelemetry(user=request.user,
uas_position=apos,
uas_heading=uas_heading)
telemetry.save()
return HttpResponse('UAS Telemetry Successfully Posted.')
def post(self, request):
"""Posts the UAS position with a POST request.
User must send a POST request with the following paramters:
latitude: A latitude in decimal degrees.
longitude: A logitude in decimal degrees.
altitude_msl: An MSL altitude in decimal feet.
uas_heading: The UAS (true north) heading in decimal degrees.
"""
try:
# Get the parameters
latitude = float(request.POST['latitude'])
longitude = float(request.POST['longitude'])
altitude_msl = float(request.POST['altitude_msl'])
uas_heading = float(request.POST['uas_heading'])
except KeyError:
# Failed to get POST parameters
logger.warning(
'User did not specify all params for uas telemetry request.')
logger.debug(request)
return HttpResponseBadRequest(
'Posting UAS position must contain POST parameters "latitude", '
'"longitude", "altitude_msl", and "uas_heading".')
except ValueError:
# Failed to convert parameters
logger.warning(
'User specified a param which could not converted to an ' +
'appropriate type.')
logger.debug(request)
return HttpResponseBadRequest(
'Failed to convert provided POST parameters to correct form.')
else:
# Check the values make sense
if latitude < -90 or latitude > 90:
logger.warning('User specified latitude out of valid range.')
logger.debug(request)
return HttpResponseBadRequest(
'Must provide latitude between -90 and 90 degrees.')
if longitude < -180 or longitude > 180:
logger.warning('User specified longitude out of valid range.')
logger.debug(request)
return HttpResponseBadRequest(
'Must provide longitude between -180 and 180 degrees.')
if uas_heading < 0 or uas_heading > 360:
logger.warning('User specified altitude out of valid range.')
logger.debug(request)
return HttpResponseBadRequest(
'Must provide heading between 0 and 360 degrees.')
# Store telemetry
logger.info('User uploaded telemetry: %s' % request.user.username)
gpos = GpsPosition(latitude=latitude, longitude=longitude)
gpos.save()
apos = AerialPosition(gps_position=gpos, altitude_msl=altitude_msl)
apos.save()
telemetry = UasTelemetry(
user=request.user, uas_position=apos, uas_heading=uas_heading)
telemetry.save()
return HttpResponse('UAS Telemetry Successfully Posted.')
def get(self, request):
logger.info('Admin requested to clear the cache.')
cache.clear()
return HttpResponse("Cache cleared.")
def get(self, request):
logger.info('Admin requested to clear the cache.')
cache.clear()
return HttpResponse("Cache cleared.")
def get(self, request):
log_access = True
time = timezone.now()
# ?log=(true|false) to enable/disable logging of superusers
if 'log' in request.GET:
if not request.user.is_superuser:
return HttpResponseBadRequest(
'Only superusers may set the log parameter')
try:
log_access = boolean_param(request.GET['log'])
except ValueError as e:
return HttpResponseBadRequest(e)
# ?time=TIMESTAMP to get obstacle location at specific time
if 'time' in request.GET:
if not request.user.is_superuser:
return HttpResponseBadRequest(
'Only superusers may set the time parameter')
try:
time = iso8601.parse_date(request.GET['time'])
except iso8601.ParseError:
return HttpResponseBadRequest("Bad timestamp '%s'" % \
request.GET['time'])
# Log user access to obstacle info
logger.info('User downloaded obstacle info: %s.' %
request.user.username)
if log_access:
ObstacleAccessLog(user=request.user).save()
# Get active mission for forming responses.
(mission, err) = active_mission()
if err:
return err
# Form JSON response portion for stationary obstacles
stationary_obstacles_cached = True
stationary_obstacles_key = '/StationaryObstacle/all'
stationary_obstacles = cache.get(stationary_obstacles_key)
if stationary_obstacles is None:
stationary_obstacles = mission.stationary_obstacles.all()
stationary_obstacles_cached = False
stationary_obstacles_json = []
for cur_obst in stationary_obstacles:
# Add current obstacle
cur_obst_json = cur_obst.json()
stationary_obstacles_json.append(cur_obst_json)
# Form JSON response portion for moving obstacles
moving_obstacles_cached = True
moving_obstacles_key = '/MovingObstacle/all'
moving_obstacles = cache.get(moving_obstacles_key)
if moving_obstacles is None:
moving_obstacles = mission.moving_obstacles.all()
moving_obstacles_cached = False
moving_obstacles_json = []
for cur_obst in moving_obstacles:
# Add current obstacle
cur_obst_json = cur_obst.json(time=time)
moving_obstacles_json.append(cur_obst_json)
# Form final JSON response
data = {
'stationary_obstacles': stationary_obstacles_json,
'moving_obstacles': moving_obstacles_json
}
# Cache obstacles for next request
if not stationary_obstacles_cached:
cache.set(stationary_obstacles_key, stationary_obstacles)
if not moving_obstacles_cached:
cache.set(moving_obstacles_key, moving_obstacles)
# Return JSON data
return HttpResponse(json.dumps(data), content_type="application/json")
