# Path: src/petmail/errors.py
# class CommandError(Exception):
#     def __init__(self, msg):
#         self.msg = msg
# 
# class ContactNotReadyError(Exception):
#     pass
# 
# Path: src/petmail/mailbox/channel.py
# def parse_msgC(msgC):
# def find_channel_from_CIDToken(db, CIDToken):
# def find_channel_from_CIDBox(db, CIDBox):
# def build_channel_keylist(db, known_cid):
# def filter_on_known_channel_pubkey(keylist, known_channel_pubkey_s):
# def find_channel_list(db, CIDToken, CIDBox):
# def decrypt_msgD(msgD, keylist):
# def decrypt_CIDBox(CIDKey, CIDBox):
# def check_msgE(msgE, pubkey2_s, sender_verfkey_s, highest_seqnum):
# def validate_msgC(CIDKey, channel_pubkey,
#                   seqnum_from_msgE, CIDBox, CIDToken, msgD):
# def process_msgC(db, msgC):
# def build_CIDToken(CIDKey, seqnum):
#     def __init__(self, db, cid):
#     def send(self, payload):
#     def createMsgC(self, payload):
#     def createTransports(self):
#     def make_transport(self, trecord):
# class OutboundChannel:
# 
# Path: src/petmail/mailbox/retrieval.py
# class LocalRetriever(service.MultiService):
# class NotListResponseError(Exception):
# class WrongPubkeyError(Exception):
# class NotFetchResponseError(Exception):
# class WrongFetchTokenError(Exception):
# class HTTPRetriever(service.MultiService):
#     def __init__(self, descriptor, got_msgC, server):
# def encrypt_list_request(serverpubkey, RT, offset=0, now=None, tmppriv=None):
# def decrypt_list_entry(boxed, symkey, tmppub):
# def decrypt_fetch_response(symkey, fetch_token, boxed):
#     def __init__(self, descriptor, got_msgC):
#     def start_source(self):
#     def handle_SSE(self, name, data):
#         def _start_polling_again(_):
#     def fetch(self, _):
#         def _fetched(page):
#         def _delete(_):
#         def _fetch_more(_):
# ENABLE_POLLING = False
# 
# Path: src/petmail/eventual.py
# def eventually(cb, *args, **kwargs):
#     """This is the eventual-send operation, used as a plan-coordination
#     primitive. The callable will be invoked (with args and kwargs) in a later
#     reactor turn. Doing 'eventually(a); eventually(b)' guarantees that a will
#     be called before b.
# 
#     Any exceptions that occur in the callable will be logged with log.err().
#     If you really want to ignore them, be sure to provide a callable that
#     catches those exceptions.
# 
#     This function returns None. If you care to know when the callable was
#     run, be sure to provide a callable that notifies somebody.
#     """
#     _theSimpleQueue.append(cb, args, kwargs)


import os.path, json, time
from twisted.application import service
from twisted.python import log
from nacl.public import PrivateKey
from nacl.signing import SigningKey, VerifyKey
from nacl.encoding import HexEncoder as Hex
from . import invitation, rrid
from .errors import CommandError, ContactNotReadyError
from .mailbox import channel, retrieval
from .eventual import eventually
            mailbox = json.loads(mailbox_json)
            mbid = self.db.insert("INSERT INTO mailboxes"
                                  " (cid, mailbox_record_json) VALUES (?,?)",
                                  (cid, json.dumps(mailbox),), "mailboxes")
            rc = self.build_retriever(mbid, mailbox["retrieval"])
            self.subscribe_to_mailbox(rc)

    def command_control_accept_mailbox_offer(self, cid, accept):
        c = self.db.execute("SELECT accept_mailbox_offer FROM addressbook WHERE id=?",
                            (cid,))
        old_accept = bool(c.fetchone()["accept_mailbox_offer"])
        if accept != old_accept:
            self.db.update("UPDATE addressbook SET accept_mailbox_offer=?"
                           " WHERE id=?", (accept, cid),
                           "addressbook", cid)
            # TODO: add or remove an existing mailbox
            self.db.commit()
        return "ok"

    def command_send_basic_message(self, cid, message):
        try:
            self.send_message(cid, {"basic": message}) # ignore Deferred
        except ContactNotReadyError:
            raise CommandError("cid %d is not ready for messages" % cid)
        return "maybe sent"

    def send_message(self, cid, payload):
        row = self.db.execute("SELECT acked, their_channel_record_json"
                              " FROM addressbook WHERE id=?", (cid,)).fetchone()
        if not row["acked"] or not row["their_channel_record_json"]:

# Path: src/petmail/errors.py
# class CommandError(Exception):
#     def __init__(self, msg):
#         self.msg = msg
# 
# class ContactNotReadyError(Exception):
#     pass
# 
# Path: src/petmail/mailbox/channel.py
# def parse_msgC(msgC):
# def find_channel_from_CIDToken(db, CIDToken):
# def find_channel_from_CIDBox(db, CIDBox):
# def build_channel_keylist(db, known_cid):
# def filter_on_known_channel_pubkey(keylist, known_channel_pubkey_s):
# def find_channel_list(db, CIDToken, CIDBox):
# def decrypt_msgD(msgD, keylist):
# def decrypt_CIDBox(CIDKey, CIDBox):
# def check_msgE(msgE, pubkey2_s, sender_verfkey_s, highest_seqnum):
# def validate_msgC(CIDKey, channel_pubkey,
#                   seqnum_from_msgE, CIDBox, CIDToken, msgD):
# def process_msgC(db, msgC):
# def build_CIDToken(CIDKey, seqnum):
#     def __init__(self, db, cid):
#     def send(self, payload):
#     def createMsgC(self, payload):
#     def createTransports(self):
#     def make_transport(self, trecord):
# class OutboundChannel:
# 
# Path: src/petmail/mailbox/retrieval.py
# class LocalRetriever(service.MultiService):
# class NotListResponseError(Exception):
# class WrongPubkeyError(Exception):
# class NotFetchResponseError(Exception):
# class WrongFetchTokenError(Exception):
# class HTTPRetriever(service.MultiService):
#     def __init__(self, descriptor, got_msgC, server):
# def encrypt_list_request(serverpubkey, RT, offset=0, now=None, tmppriv=None):
# def decrypt_list_entry(boxed, symkey, tmppub):
# def decrypt_fetch_response(symkey, fetch_token, boxed):
#     def __init__(self, descriptor, got_msgC):
#     def start_source(self):
#     def handle_SSE(self, name, data):
#         def _start_polling_again(_):
#     def fetch(self, _):
#         def _fetched(page):
#         def _delete(_):
#         def _fetch_more(_):
# ENABLE_POLLING = False
# 
# Path: src/petmail/eventual.py
# def eventually(cb, *args, **kwargs):
#     """This is the eventual-send operation, used as a plan-coordination
#     primitive. The callable will be invoked (with args and kwargs) in a later
#     reactor turn. Doing 'eventually(a); eventually(b)' guarantees that a will
#     be called before b.
# 
#     Any exceptions that occur in the callable will be logged with log.err().
#     If you really want to ignore them, be sure to provide a callable that
#     catches those exceptions.
# 
#     This function returns None. If you care to know when the callable was
#     run, be sure to provide a callable that notifies somebody.
#     """
#     _theSimpleQueue.append(cb, args, kwargs)


# Path: src/petmail/agent.py
import os.path, json, time
from twisted.application import service
from twisted.python import log
from nacl.public import PrivateKey
from nacl.signing import SigningKey, VerifyKey
from nacl.encoding import HexEncoder as Hex
from . import invitation, rrid
from .errors import CommandError, ContactNotReadyError
from .mailbox import channel, retrieval
from .eventual import eventually

            mailbox = json.loads(mailbox_json)
            mbid = self.db.insert("INSERT INTO mailboxes"
                                  " (cid, mailbox_record_json) VALUES (?,?)",
                                  (cid, json.dumps(mailbox),), "mailboxes")
            rc = self.build_retriever(mbid, mailbox["retrieval"])
            self.subscribe_to_mailbox(rc)

    def command_control_accept_mailbox_offer(self, cid, accept):
        c = self.db.execute("SELECT accept_mailbox_offer FROM addressbook WHERE id=?",
                            (cid,))
        old_accept = bool(c.fetchone()["accept_mailbox_offer"])
        if accept != old_accept:
            self.db.update("UPDATE addressbook SET accept_mailbox_offer=?"
                           " WHERE id=?", (accept, cid),
                           "addressbook", cid)
            # TODO: add or remove an existing mailbox
            self.db.commit()
        return "ok"

    def command_send_basic_message(self, cid, message):
        try:
            self.send_message(cid, {"basic": message}) # ignore Deferred
        except ContactNotReadyError:
            raise CommandError("cid %d is not ready for messages" % cid)
        return "maybe sent"

    def send_message(self, cid, payload):
        row = self.db.execute("SELECT acked, their_channel_record_json"
                              " FROM addressbook WHERE id=?", (cid,)).fetchone()
        if not row["acked"] or not row["their_channel_record_json"]:

            raise ContactNotReadyError("cid %d is not ready for messages" % cid)