pypush-plus-plus/ids/query.py

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import gzip
import plistlib
import random
from base64 import b64encode
import apns
import bags
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from ._helpers import USER_AGENT, KeyPair
from . import signing
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def _send_request(
conn: apns.APNSConnection,
bag_key: str,
topic: str,
body: bytes,
keypair: KeyPair,
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self_uri: str,
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) -> bytes:
body = gzip.compress(body, mtime=0)
push_token = b64encode(conn.token).decode()
# Sign the request
# signature, nonce = _sign_payload(keypair.key, bag_key, "", push_token, body)
headers = {
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"x-id-self-uri": self_uri,
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"User-Agent": USER_AGENT,
"x-protocol-version": "1630",
}
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print(headers)
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signing.add_id_signature(headers, body, bag_key, keypair, push_token)
# print(headers)
msg_id = random.randbytes(16)
req = {
"cT": "application/x-apple-plist",
"U": msg_id,
"c": 96,
"ua": USER_AGENT,
"u": bags.ids_bag()[bag_key],
"h": headers,
"v": 2,
"b": body,
}
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print(req)
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conn.send_message(topic, plistlib.dumps(req, fmt=plistlib.FMT_BINARY))
# resp = conn.wait_for_packet(0x0A)
def check_response(x):
if x[0] != 0x0A:
return False
resp_body = apns._get_field(x[1], 3)
if resp_body is None:
return False
resp_body = plistlib.loads(resp_body)
return resp_body["U"] == msg_id
# Lambda to check if the response is the one we want
# conn.incoming_queue.find(check_response)
payload = conn.incoming_queue.wait_pop_find(check_response)
# conn._send_ack(apns._get_field(payload[1], 4))
resp = apns._get_field(payload[1], 3)
return plistlib.loads(resp)
# Performs an IDS lookup
# conn: an active APNs connection. must be connected and have a push token. will be filtered to the IDS topic
# self: the user's email address
# keypair: a KeyPair object containing the user's private key and certificate
# topic: the IDS topic to query
# query: a list of URIs to query
def lookup(
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conn: apns.APNSConnection, self_uri: str, id_keypair: KeyPair, topic: str, query: list[str]
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) -> any:
conn.filter([topic])
query = {"uris": query}
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resp = _send_request(conn, "id-query", topic, plistlib.dumps(query), id_keypair, self_uri)
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# resp = plistlib.loads(resp)
# print(resp)
resp = gzip.decompress(resp["b"])
resp = plistlib.loads(resp)
return resp