creating default handlers for every kind of Exception in the /api/ routes. Those default functions also create automatic logging with the .warning level. Relocated the .impl-calls into the Try-Exception-blocks, so they are properly logged and avoid system failures.

This commit is contained in:
Max Metz 2024-09-09 12:46:55 +02:00
parent 85973ad848
commit d2cd233f13
9 changed files with 113 additions and 114 deletions

View File

@ -1,3 +1,4 @@
import logging
from flask import Blueprint, request
from webargs.flaskparser import parser
from .. import impl
@ -12,8 +13,12 @@ bp = Blueprint('berths', __name__)
@auth_guard() # no restriction by role
def GetBerths():
try:
if 'Authorization' in request.headers:
token = request.headers.get('Authorization')
return impl.berths.GetBerths(token)
else:
return create_dynamic_exception_response(ex=None, status_code=403, message="not authenticated")
except Exception as ex:
return create_dynamic_exception_response(ex=ex, status_code=400)

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@ -1,3 +1,4 @@
import logging
from flask import Blueprint, request
from .. import impl
from ..services.auth_guard import auth_guard
@ -10,6 +11,7 @@ bp = Blueprint('history', __name__)
@auth_guard() # no restriction by role
def GetHistory():
try:
if 'Authorization' in request.headers:
token = request.headers.get('Authorization')
options = {}
@ -20,3 +22,5 @@ def GetHistory():
else:
return create_dynamic_exception_response(ex=None, status_code=403, message="not authenticated")
except Exception as ex:
return create_dynamic_exception_response(ex=ex, status_code=400)

View File

@ -11,10 +11,13 @@ bp = Blueprint('notifications', __name__)
@bp.route('/notifications', methods=['get'])
@auth_guard() # no restriction by role
def GetNotifications():
try:
if 'shipcall_id' in request.args:
options = {}
options["shipcall_id"] = request.args.get("shipcall_id")
return impl.notifications.GetNotifications(options)
else:
logging.warning("attempt to load notifications without shipcall id")
return create_dynamic_exception_response(ex=None, status_code=400, message="missing argument: shipcall_id")
except Exception as ex:
return create_dynamic_exception_response(ex=ex, status_code=400)

View File

@ -1,3 +1,4 @@
import logging
from flask import Blueprint, request
from .. import impl
from ..services.auth_guard import auth_guard
@ -10,6 +11,7 @@ bp = Blueprint('participants', __name__)
@auth_guard() # no restriction by role
def GetParticipant():
try:
if 'Authorization' in request.headers:
token = request.headers.get('Authorization')
options = {}
@ -18,3 +20,5 @@ def GetParticipant():
else:
return create_dynamic_exception_response(ex=None, status_code=403, message="not authenticated")
except Exception as ex:
return create_dynamic_exception_response(ex=ex, status_code=400)

View File

@ -20,6 +20,7 @@ bp = Blueprint('shipcalls', __name__)
@bp.route('/shipcalls', methods=['get'])
@auth_guard() # no restriction by role
def GetShipcalls():
try:
if 'Authorization' in request.headers:
token = request.headers.get('Authorization') # see impl/login to see the token encoding, which is a JWT token.
@ -39,6 +40,9 @@ def GetShipcalls():
else:
return create_dynamic_exception_response(ex=None, status_code=403, message="not authenticated")
except Exception as ex:
return create_dynamic_exception_response(ex=ex, status_code=400)
@bp.route('/shipcalls', methods=['post'])
@auth_guard() # no restriction by role
@ -55,20 +59,15 @@ def PostShipcalls():
# validate the posted shipcall data & the user's authority
InputValidationShipcall.evaluate_post_data(user_data, loadedModel, content)
return impl.shipcalls.PostShipcalls(loadedModel)
except ValidationError as ex:
logging.error(ex)
print(ex)
return create_validation_error_response(ex=ex, status_code=400)
except Exception as ex:
logging.error(ex)
logging.error(traceback.format_exc())
print(ex)
return create_dynamic_exception_response(ex=ex, status_code=400, message="bad format")
return impl.shipcalls.PostShipcalls(loadedModel)
@bp.route('/shipcalls', methods=['put'])
@auth_guard() # no restriction by role
@ -85,20 +84,15 @@ def PutShipcalls():
# validate the PUT shipcall data and the user's authority
InputValidationShipcall.evaluate_put_data(user_data, loadedModel, content)
return impl.shipcalls.PutShipcalls(loadedModel)
except ValidationError as ex:
logging.error(ex)
print(ex)
return create_validation_error_response(ex=ex, status_code=400)
except werkzeug.exceptions.Forbidden as ex:
logging.error(ex)
print(ex)
return create_werkzeug_error_response(ex=ex, status_code=403)
except Exception as ex:
logging.error(ex)
print(ex)
return create_dynamic_exception_response(ex=ex, status_code=400, message="bad format")
logging.error(traceback.format_exc())
return create_dynamic_exception_response(ex=None, status_code=400, message="bad format")
return impl.shipcalls.PutShipcalls(loadedModel)

View File

@ -17,12 +17,16 @@ bp = Blueprint('ships', __name__)
@auth_guard() # no restriction by role
def GetShips():
try:
if 'Authorization' in request.headers:
token = request.headers.get('Authorization')
return impl.ships.GetShips(token)
else:
return create_dynamic_exception_response(ex=None, status_code=403, message="not authenticated")
except Exception as ex:
return create_dynamic_exception_response(ex=ex, status_code=400)
@bp.route('/ships', methods=['post'])
@auth_guard() # no restriction by role
@ -45,19 +49,14 @@ def PostShip():
# validate the request data & user permissions
InputValidationShip.evaluate_post_data(user_data, loadedModel, content)
return impl.ships.PostShip(loadedModel)
except ValidationError as ex:
logging.error(ex)
print(ex)
return create_validation_error_response(ex=ex, status_code=400)
except Exception as ex:
logging.error(ex)
print(ex)
return create_dynamic_exception_response(ex=ex, status_code=400, message=None)
return impl.ships.PostShip(loadedModel)
@bp.route('/ships', methods=['put'])
@auth_guard() # no restriction by role
@ -74,18 +73,13 @@ def PutShip():
# validate the request data & user permissions
InputValidationShip.evaluate_put_data(user_data, loadedModel, content)
return impl.ships.PutShip(loadedModel)
except ValidationError as ex:
logging.error(ex)
print(ex)
return create_validation_error_response(ex=ex, status_code=400)
except Exception as ex:
logging.error(ex)
print(ex)
return create_dynamic_exception_response(ex=ex, status_code=400, message=None)
return impl.ships.PutShip(loadedModel)
return create_dynamic_exception_response(ex=ex, status_code=400)
@bp.route('/ships', methods=['delete'])
@ -107,15 +101,11 @@ def DeleteShip():
# validate the request data & user permissions
InputValidationShip.evaluate_delete_data(user_data, ship_id)
return impl.ships.DeleteShip(options)
except ValidationError as ex:
logging.error(ex)
print(ex)
return create_validation_error_response(ex=ex, status_code=400)
except Exception as ex:
logging.error(ex)
print(ex)
return create_dynamic_exception_response(ex=ex, status_code=400, message=None)
return create_dynamic_exception_response(ex=ex, status_code=400)
return impl.ships.DeleteShip(options)

View File

@ -16,11 +16,14 @@ bp = Blueprint('times', __name__)
@auth_guard() # no restriction by role
def GetTimes():
try:
options = {}
options["shipcall_id"] = request.args.get("shipcall_id")
return impl.times.GetTimes(options)
except Exception as ex:
return create_dynamic_exception_response(ex=ex, status_code=400)
@bp.route('/times', methods=['post'])
@auth_guard() # no restriction by role
@ -41,18 +44,14 @@ def PostTimes():
# validate the request
InputValidationTimes.evaluate_post_data(user_data, loadedModel, content)
return impl.times.PostTimes(loadedModel)
except ValidationError as ex:
logging.error(ex)
print(ex)
return create_validation_error_response(ex=ex, status_code=400)
except Exception as ex:
logging.error(ex)
print(ex)
return create_dynamic_exception_response(ex=ex, status_code=400, message="bad format")
return impl.times.PostTimes(loadedModel)
@bp.route('/times', methods=['put'])
@ -70,18 +69,14 @@ def PutTimes():
# validate the request
InputValidationTimes.evaluate_put_data(user_data, loadedModel, content)
return impl.times.PutTimes(loadedModel)
except ValidationError as ex:
logging.error(ex)
print(ex)
return create_validation_error_response(ex=ex, status_code=400)
except Exception as ex:
logging.error(ex)
print(ex)
return create_dynamic_exception_response(ex=ex, status_code=400, message="bad format")
return impl.times.PutTimes(loadedModel)
@bp.route('/times', methods=['delete'])
@ -101,15 +96,10 @@ def DeleteTimes():
return impl.times.DeleteTimes(options)
else:
logging.warning("Times delete missing id argument")
return create_dynamic_exception_response(ex=None, status_code=400, message="missing argument: id")
return create_dynamic_exception_response(ex=None, status_code=400, message="Times delete missing argument: id")
except ValidationError as ex:
logging.error(ex)
print(ex)
return create_validation_error_response(ex=ex, status_code=400)
except Exception as ex:
logging.error(ex)
print(ex)
return create_dynamic_exception_response(ex=ex, status_code=400, message="bad format")

View File

@ -19,16 +19,12 @@ def PutUser():
content = request.get_json(force=True)
loadedModel = model.UserSchema().load(data=content, many=False, partial=True)
return impl.user.PutUser(loadedModel)
except ValidationError as ex:
logging.error(ex)
print(ex)
return create_validation_error_response(ex=ex, status_code=400)
except Exception as ex:
logging.error(ex)
print(ex)
return create_dynamic_exception_response(ex=ex, status_code=400, message="bad format")
return create_dynamic_exception_response(ex=None, status_code=400, message="bad format")
return impl.user.PutUser(loadedModel)

View File

@ -15,7 +15,7 @@ def create_default_error_format(error_description):
return json_response
def create_validation_error_response(ex:ValidationError, status_code:int=400)->typing.Tuple[str,int]:
def create_validation_error_response(ex:ValidationError, status_code:int=400, create_log:bool=True)->typing.Tuple[str,int]:
# generate an overview the errors
#example:
# {'lock_time': ['The provided value must be in the future. Current Time: 2024-09-02 08:23:32.600791, Value: 2024-09-01 08:20:41.853000']}
@ -46,8 +46,8 @@ def create_validation_error_response(ex:ValidationError, status_code:int=400)->t
# }
valid_data = ex.valid_data
json_response = create_default_error_format(error_description="ValidationError")
message = "ValidationError"
json_response = create_default_error_format(error_description=message)
json_response.update({
"errors":errors,
"valid_data":valid_data
@ -56,18 +56,31 @@ def create_validation_error_response(ex:ValidationError, status_code:int=400)->t
# json.dumps with default=str automatically converts non-serializable values to strings. Hence, datetime objects (which are not)
# natively serializable are properly serialized.
serialized_response = json.dumps(json_response, default=str)
if create_log:
logging.warning(ex) if ex is not None else logging.warning(message)
print(ex) if ex is not None else print(message)
return (serialized_response, status_code)
def create_werkzeug_error_response(ex:Forbidden, status_code:int=403)->typing.Tuple[str,int]:
def create_werkzeug_error_response(ex:Forbidden, status_code:int=403, create_log:bool=True)->typing.Tuple[str,int]:
# json.dumps with default=str automatically converts non-serializable values to strings. Hence, datetime objects (which are not)
# natively serializable are properly serialized.
json_response = create_default_error_format(error_description=ex.description)
message = ex.description
json_response = create_default_error_format(error_description=message)
serialized_response = json.dumps(json_response, default=str)
if create_log:
logging.warning(ex) if ex is not None else logging.warning(message)
print(ex) if ex is not None else print(message)
return serialized_response, status_code
def create_dynamic_exception_response(ex, status_code:int=400, message:typing.Optional[str]=None):
def create_dynamic_exception_response(ex, status_code:int=400, message:typing.Optional[str]=None, create_log:bool=True):
message = repr(ex) if message is None else message
json_response = create_default_error_format(error_description=message)
serialized_response = json.dumps(json_response, default=str)
if create_log:
logging.warning(ex) if ex is not None else logging.warning(message)
print(ex) if ex is not None else print(message)
return (serialized_response, status_code)