Created
August 27, 2012 13:59
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How to use Google Authenticator links with OATH Token
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import base64 | |
import re | |
import sys | |
if len(sys.argv) > 1: | |
code = ''.join(sys.argv[1:]) | |
else: | |
code = sys.stdin.read() | |
# Parse the Google URL. | |
m = re.match(r'otpauth://(totp|hotp)/(.+?)\?secret=([\w\s]+)', code) | |
if m: | |
type_ = m.group(1) | |
name = m.group(2) | |
code = m.group(3) | |
else: | |
type_ = 'totp' | |
name = 'Converted' | |
# Remove all whitespace. | |
code = re.sub(r'\s', '', code) | |
# Fix the padding. | |
code = code.rstrip('=') | |
if len(code) % 8: | |
code += '=' * (8 - len(code) % 8) | |
code = base64.b16encode(base64.b32decode(code, casefold=True)) | |
# Print the new URL. | |
print 'oathtoken:///addToken?name=%s%s&key=%s' % (name, '&timeBased=true' if type_ == 'totp' else '', code) |
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