refactor(tokens-repo): delete auth utils

selfprivacy_api/utils/auth.py

@@ -1,103 +0,0 @@
-#!/usr/bin/env python3
-"""Token management utils"""
-import secrets
-from datetime import datetime, timedelta
-import re
-import typing
-
-from pydantic import BaseModel
-from mnemonic import Mnemonic
-
-from . import ReadUserData, UserDataFiles, WriteUserData, parse_date
-
-"""
-Token are stored in the tokens.json file.
-File contains device tokens, recovery token and new device auth token.
-File structure:
-{
-    "tokens": [
-        {
-            "token": "device token",
-            "name": "device name",
-            "date": "date of creation",
-        }
-    ],
-    "recovery_token": {
-        "token": "recovery token",
-        "date": "date of creation",
-        "expiration": "date of expiration",
-        "uses_left": "number of uses left"
-    },
-    "new_device": {
-        "token": "new device auth token",
-        "date": "date of creation",
-        "expiration": "date of expiration",
-    }
-}
-Recovery token may or may not have expiration date and uses_left.
-There may be no recovery token at all.
-Device tokens must be unique.
-"""
-
-
-def _get_tokens():
-    """Get all tokens as list of tokens of every device"""
-    with ReadUserData(UserDataFiles.TOKENS) as tokens:
-        return [token["token"] for token in tokens["tokens"]]
-
-
-def _get_token_names():
-    """Get all token names"""
-    with ReadUserData(UserDataFiles.TOKENS) as tokens:
-        return [t["name"] for t in tokens["tokens"]]
-
-
-def _validate_token_name(name):
-    """Token name must be an alphanumeric string and not empty.
-    Replace invalid characters with '_'
-    If token name exists, add a random number to the end of the name until it is unique.
-    """
-    if not re.match("^[a-zA-Z0-9]*$", name):
-        name = re.sub("[^a-zA-Z0-9]", "_", name)
-    if name == "":
-        name = "Unknown device"
-    while name in _get_token_names():
-        name += str(secrets.randbelow(10))
-    return name
-
-
-class BasicTokenInfo(BaseModel):
-    """Token info"""
-
-    name: str
-    date: datetime
-
-
-def _generate_token():
-    """Generates new token and makes sure it is unique"""
-    token = secrets.token_urlsafe(32)
-    while token in _get_tokens():
-        token = secrets.token_urlsafe(32)
-    return token
-
-
-def _get_recovery_token():
-    """Get recovery token"""
-    with ReadUserData(UserDataFiles.TOKENS) as tokens:
-        if "recovery_token" not in tokens:
-            return None
-        return tokens["recovery_token"]["token"]
-
-
-def _get_new_device_auth_token():
-    """Get new device auth token. If it is expired, return None"""
-    with ReadUserData(UserDataFiles.TOKENS) as tokens:
-        if "new_device" not in tokens:
-            return None
-        new_device = tokens["new_device"]
-        if "expiration" not in new_device:
-            return None
-        expiration = parse_date(new_device["expiration"])
-        if datetime.now() > expiration:
-            return None
-        return new_device["token"]