95 lines
3.4 KiB
Python
95 lines
3.4 KiB
Python
# Twisted/Klein imports
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from twisted.logger import Logger
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# Other library imports
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import requests
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from json import dumps
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from simplejson.errors import JSONDecodeError
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# Project imports
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from settings import settings
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class TrueLayer(object):
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"""
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Class to manage calls to Open Banking APIs through TrueLayer.
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"""
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def __init__(self):
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self.log = Logger("truelayer")
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self.token = None
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# self.auth = HTTPBasicAuth(settings.Yapily.ID, settings.Yapily.Key)
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# print(self.get_institutions())
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# authorisation = self.get_authorisation("monzo_ob", settings.Yapily.CallbackURL)
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# print("authirisation", authorisation)
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def setup_auth(self):
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"""
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Exchange an authentication code for an access and refresh token.
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"""
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headers = {"Content-Type": "application/x-www-form-urlencoded"}
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data = {
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"grant_type": "authorization_code",
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"code": settings.TrueLayer.Monzo_AuthCode,
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"client_id": settings.TrueLayer.ID,
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"client_secret": settings.TrueLayer.Key,
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"redirect_uri": "https://console.truelayer.com/redirect-page",
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}
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r = requests.post(f"{settings.TrueLayer.Base}/connect/token", data=data, headers=headers)
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try:
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parsed = r.json()
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except JSONDecodeError:
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self.log.error("Error parsing access token response: {content}", content=r.content)
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return False
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print("PARSED", parsed)
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if r.status_code == 200:
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try:
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settings.TrueLayer.Monzo_RefreshToken = parsed["refresh_token"]
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settings.TrueLayer.Monzo_SetupToken = "0"
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settings.write()
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self.log.info("Refreshed refresh token")
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self.token = parsed["access_token"]
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self.log.info("Refreshed access token")
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except KeyError:
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self.log.error(f"Token authorization didn't contain refresh or access token: {parsed}", parsed=parsed)
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return False
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else:
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self.log.error(f"Cannot refresh token: {parsed}", parsed=parsed)
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return False
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def get_new_token(self, _=None):
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"""
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Exchange our refresh token for an access token.
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"""
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print("calling get new token")
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pass
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def get_institutions(self, filter_name=None):
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"""
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Get a list of supported institutions.
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"""
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path = f"{settings.Yapily.Base}/institutions"
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r = requests.get(path, auth=self.auth)
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try:
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parsed = r.json()
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except JSONDecodeError:
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self.log.error("Error parsing institutions response: {content}", content=r.content)
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return False
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return parsed
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def get_authorisation(self, institution_id, callback_url):
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"""
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Get an authorisation URL for linking a bank account of an institution.
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"""
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headers = {"Content-Type": "application/json"}
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data = {"applicationUserId": "account-data-and-transactions-tutorial", "institutionId": institution_id, "callback": callback_url}
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path = f"{settings.Yapily.Base}/account-auth-requests"
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r = requests.post(path, headers=headers, data=dumps(data), auth=self.auth)
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try:
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parsed = r.json()
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except JSONDecodeError:
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self.log.error("Error parsing institutions response: {content}", content=r.content)
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return False
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return parsed
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