mirror of
https://github.com/Sneed-Group/pypush-plus-plus
synced 2024-12-26 21:02:26 -06:00
74 lines
1.9 KiB
Python
74 lines
1.9 KiB
Python
import gzip
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import plistlib
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import random
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from base64 import b64encode
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import apns
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import bags
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from ._helpers import KeyPair, PROTOCOL_VERSION
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from . import signing
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def lookup(
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conn: apns.APNSConnection,
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self_uri: str,
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id_keypair: KeyPair,
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query: list[str],
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topic,
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) -> bytes:
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BAG_KEY = "id-query"
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conn.filter([topic])
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body = plistlib.dumps({"uris": query})
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body = gzip.compress(body, mtime=0)
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push_token = b64encode(conn.token).decode()
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headers = {
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"x-id-self-uri": self_uri,
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"x-protocol-version": PROTOCOL_VERSION,
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}
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if 'alloy' in topic:
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headers["x-id-sub-service"] = topic # Hack, if it has alloy in the name it's probably a sub-service
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signing.add_id_signature(headers, body, BAG_KEY, id_keypair, push_token)
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msg_id = random.randbytes(16)
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req = {
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"cT": "application/x-apple-plist",
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"U": msg_id,
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"c": 96,
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"u": bags.ids_bag()[BAG_KEY],
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"h": headers,
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"v": 2,
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"b": body,
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}
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conn.send_message(topic, plistlib.dumps(req, fmt=plistlib.FMT_BINARY))
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def check_response(x):
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if x[0] != 0x0A:
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return False
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resp_body = apns._get_field(x[1], 3)
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if resp_body is None:
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return False
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resp_body = plistlib.loads(resp_body)
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return resp_body.get('U') == msg_id
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# Lambda to check if the response is the one we want
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payload = conn.incoming_queue.wait_pop_find(check_response)
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resp = apns._get_field(payload[1], 3)
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resp = plistlib.loads(resp)
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resp = gzip.decompress(resp["b"])
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resp = plistlib.loads(resp)
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# Acknowledge the message
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#conn._send_ack(apns._get_field(payload[1], 4))
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if resp['status'] != 0:
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raise Exception(f'Query failed: {resp}')
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if not 'results' in resp:
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raise Exception(f'No results in response: {resp}')
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return resp['results']
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