pbteja1998

def hash_data(data):
    '''
        param: data b64encoded data        
        return: SHA256 base64 encoded hash
    '''
    from base64 import b64decode
    from Crypto.Hash import SHA256
    hashed_data = SHA256.new()
    hashed_data.update(b64decode(data))
    return hashed_data

pbteja1998

def generate_RSA(bits=2048):
    '''
    Generate an RSA keypair with an exponent of 65537 in PEM format
    param: bits The key length in bits
    Return private key and public key
    '''
    from Crypto.PublicKey import RSA 
    new_key = RSA.generate(bits, e=65537) 
    public_key = new_key.publickey().exportKey("PEM") 
    private_key = new_key.exportKey("PEM") 

pbteja1998

def verify_sign(public_key, signature, hashed_data):
    '''
        Verifies with a public key from whom the data came that it was indeed
        signed by their private key
        param: public_key
        param: signature String signature to be verified
        return: Boolean. True if the signature is valid; False otherwise.
    '''
    from Crypto.PublicKey import RSA
    from Crypto.Signature import PKCS1_v1_5

pbteja1998

def sign_data(private_key, hashed_data):
    '''
        param: private_key
        param: hashed_data SHA256 hash of data to be signed
        return: base64 encoded signature
    '''
    from Crypto.PublicKey import RSA
    from Crypto.Signature import PKCS1_v1_5    
    from base64 import b64encode
    key = private_key

pbteja1998

• On Frontend
  • User clicks Login With Github Button.
  • We redirect user to https://github.com/login/oauth/authorize with client_id, redirect_uri and scope as query params.
  • Example

    https://github.com/login/oauth/authorize?scope=user:email&client_id=<CLIENT_ID>&state=<state>
    

  • Once user allows access github redirect back us to supplied redirect_uri with code as query parameter.
  • Example

pbteja1998

Here is a list of scopes to use in Sublime Text 2 snippets - 

ActionScript: source.actionscript.2
AppleScript: source.applescript
ASP: source.asp
Batch FIle: source.dosbatch
C#: source.cs
C++: source.c++
Clojure: source.clojure
CoffeeScript: source.coffee