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https://github.com/GSA/notifications-api.git
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b33312b855
or param errors to raise invalid data exception. That will cause those responses to be handled in by errors.py, which will log the errors. Set most of schemas to strict mode so that marshmallow will raise exception rather than checking for errors in return tuple from load. Added handler to errors.py for marshmallow validation errors.
99 lines
3.3 KiB
Python
99 lines
3.3 KiB
Python
from flask import (
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jsonify,
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current_app
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)
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from sqlalchemy.exc import SQLAlchemyError, DataError
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from sqlalchemy.orm.exc import NoResultFound
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from marshmallow import ValidationError
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class InvalidRequest(Exception):
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def __init__(self, message, status_code):
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super().__init__()
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self.message = message
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self.status_code = status_code
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def to_dict(self):
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return {'result': 'error', 'message': self.message}
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def __str__(self):
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return str(self.to_dict())
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def register_errors(blueprint):
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@blueprint.app_errorhandler(ValidationError)
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def validation_error(error):
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current_app.logger.error(error)
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return jsonify(result='error', message=error.messages), 400
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@blueprint.app_errorhandler(InvalidRequest)
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def invalid_data(error):
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response = jsonify(error.to_dict())
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response.status_code = error.status_code
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current_app.logger.error(error)
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return response
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@blueprint.app_errorhandler(400)
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def bad_request(e):
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if isinstance(e, str):
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msg = e
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else:
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msg = e.description or "Invalid request parameters"
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current_app.logger.exception(msg)
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return jsonify(result='error', message=str(msg)), 400
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@blueprint.app_errorhandler(401)
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def unauthorized(e):
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error_message = "Unauthorized, authentication token must be provided"
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return jsonify(result='error', message=error_message), 401, [('WWW-Authenticate', 'Bearer')]
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@blueprint.app_errorhandler(403)
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def forbidden(e):
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error_message = "Forbidden, invalid authentication token provided"
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return jsonify(result='error', message=error_message), 403
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@blueprint.app_errorhandler(404)
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def page_not_found(e):
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if isinstance(e, str):
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msg = e
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else:
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msg = e.description or "Not found"
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current_app.logger.exception(msg)
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return jsonify(result='error', message=msg), 404
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@blueprint.app_errorhandler(429)
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def limit_exceeded(e):
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current_app.logger.exception(e)
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return jsonify(result='error', message=str(e.description)), 429
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@blueprint.app_errorhandler(500)
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def internal_server_error(e):
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current_app.logger.exception(e)
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return jsonify(result='error', message="Internal server error"), 500
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@blueprint.app_errorhandler(NoResultFound)
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def no_result_found(e):
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current_app.logger.exception(e)
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return jsonify(result='error', message="No result found"), 404
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@blueprint.app_errorhandler(DataError)
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def data_error(e):
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current_app.logger.exception(e)
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return jsonify(result='error', message="No result found"), 404
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@blueprint.app_errorhandler(SQLAlchemyError)
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def db_error(e):
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current_app.logger.exception(e)
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if e.orig.pgerror and \
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('duplicate key value violates unique constraint "services_name_key"' in e.orig.pgerror or
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'duplicate key value violates unique constraint "services_email_from_key"' in e.orig.pgerror):
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return jsonify(
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result='error',
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message={'name': ["Duplicate service name '{}'".format(
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e.params.get('name', e.params.get('email_from', ''))
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)]}
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), 400
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return jsonify(result='error', message="Internal server error"), 500
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