passwordchecker

README

Bad Password Checker

This is a simple service that checks a password against a dictionary of common passwords. The service then returns a response informing the caller whether or not the password is common.

Implementation

The server loads a dictionary of passwords, then creates a bloom filter in order to efficiently check the input password for presence in the dictionary. False positives are possible but unlikely.

Source Code Headers

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Apache header:

Copyright 2019 Google LLC

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

Disclaimer

This is not an officially supported Google product.

Documentation

Overview

Copyright 2019 Google LLC

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Index

• func CheckPassword(w http.ResponseWriter, r *http.Request)
• type RequestInput
• type Response

Functions

func CheckPassword

func CheckPassword(w http.ResponseWriter, r *http.Request)

CheckPassword returns 200 if the password is okay, or 400 if the password has been found in the dictionary.

Types

type RequestInput

type RequestInput struct {
	Cleartext string `json:"cleartext"`
}

RequestInput defines what the input looks like to the cloud function.

type Response

type Response struct {
	IsCommon bool `json:"is_common"`
}