#!/usr/bin/env python2


import os
import random
import sys

import bottle

import distixapi



users = {
    'users': {
        'fooser': {
            'salt': 'nacl',
            'password': distixapi.encrypt_password('nacl', 'password'),
            'scopes': ['get', 'put'],
        },
        'no': {
            'salt': 'nacl',
            'password': distixapi.encrypt_password('nacl', 'password'),
            'scopes': [],
        },
    },
}


class AuthenticationPlugin(object):

    name = 'AuthenticationPlugin'

    def apply(self, callback, route):
        def authorize(*args, **kwargs):
            try:
                scopes = distixapi.get_scopes(users, bottle.request)
            except distixapi.AuthenticationError:
                return bottle.abort(401, 'Unauthorized')
            if route['method'].lower() not in scopes:
                return bottle.abort(401, 'Unauthorized')
            return callback(*args, **kwargs)
        return authorize


@bottle.route('/')
def root():
    return 'This is the root'

@bottle.route('/version')
def version():
    return { 'version': '1.0' }


# Command line args.

pid_file = sys.argv[1]
port_file = sys.argv[2]



log_file = open('log', 'a')
def log(msg):
    log_file.write('{} {}\n'.format(os.getpid(), msg))
    log_file.flush()


# Write pid to named file.

with open(pid_file, 'w') as f:
    f.write('{}\n'.format(os.getpid()))


# Pick a random port and write it to named file.
port = random.randint(1025, 32767)
with open(port_file, 'w') as f:
    f.write('{}\n'.format(port))


bottle.run(port=port, quiet=True, plugins=[AuthenticationPlugin()])