131 lines
4.6 KiB
Python
131 lines
4.6 KiB
Python
from src import utils
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CAPABILITIES = [
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utils.irc.Capability("multi-prefix"),
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utils.irc.Capability("chghost"),
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utils.irc.Capability("invite-notify"),
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utils.irc.Capability("account-tag"),
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utils.irc.Capability("account-notify"),
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utils.irc.Capability("extended-join"),
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utils.irc.Capability("away-notify"),
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utils.irc.Capability("userhost-in-names"),
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utils.irc.Capability("message-tags", "draft/message-tags-0.2"),
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utils.irc.Capability("cap-notify"),
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utils.irc.Capability("batch"),
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utils.irc.Capability(None, "draft/rename", alias="rename"),
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utils.irc.Capability(None, "draft/setname", alias="setname")
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]
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def _cap_depend_sort(caps, server_caps):
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sorted_caps = []
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caps_copy = {alias: cap.copy() for alias, cap in caps.items()}
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for cap in caps.values():
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if not cap.available(server_caps):
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del caps_copy[cap.alias]
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while True:
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remove = []
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for alias, cap in caps_copy.items():
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for depend_alias in cap.depends_on:
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if not depend_alias in caps_copy:
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remove.append(alias)
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if remove:
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for alias in remove:
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del caps_copy[alias]
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else:
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break
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while caps_copy:
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fulfilled = []
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for cap in caps_copy.values():
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remove = []
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for depend_alias in cap.depends_on:
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if depend_alias in sorted_caps:
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remove.append(depend_alias)
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for remove_cap in remove:
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cap.depends_on.remove(remove_cap)
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if not cap.depends_on:
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fulfilled.append(cap.alias)
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for fulfilled_cap in fulfilled:
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del caps_copy[fulfilled_cap]
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sorted_caps.append(fulfilled_cap)
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return [caps[alias] for alias in sorted_caps]
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def _cap_match(server, caps):
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matched_caps = {}
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blacklist = server.get_setting("blacklisted-caps", [])
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cap_aliases = {}
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for cap in caps:
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if not cap.alias in blacklist:
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cap_aliases[cap.alias] = cap
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sorted_caps = _cap_depend_sort(cap_aliases, server.server_capabilities)
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for cap in sorted_caps:
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available = cap.available(server.server_capabilities)
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if available and not server.has_capability(cap):
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matched_caps[available] = cap
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return matched_caps
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def cap(exports, events, event):
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capabilities = utils.parse.keyvalue(event["line"].args[-1])
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subcommand = event["line"].args[1].upper()
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is_multiline = len(event["line"].args) > 3 and event["line"].args[2] == "*"
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if subcommand == "DEL":
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for capability in capabilities.keys():
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event["server"].agreed_capabilities.discard(capability)
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del event["server"].server_capabilities[capability]
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events.on("received.cap.del").call(server=event["server"],
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capabilities=capabilities)
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elif subcommand == "ACK":
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event["server"].agreed_capabilities.update(capabilities)
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events.on("received.cap.ack").call(capabilities=capabilities,
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server=event["server"])
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if subcommand == "LS" or subcommand == "NEW":
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event["server"].server_capabilities.update(capabilities)
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if not is_multiline:
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server_caps = list(event["server"].server_capabilities.keys())
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all_caps = CAPABILITIES[:]
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export_caps = [cap.copy() for cap in exports.get_all("cap")]
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all_caps.extend(export_caps)
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module_caps = events.on("received.cap.ls").call(
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capabilities=event["server"].server_capabilities,
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server=event["server"])
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module_caps = list(filter(None, module_caps))
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all_caps.extend(module_caps)
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matched_caps = _cap_match(event["server"], all_caps)
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event["server"].capability_queue.update(matched_caps)
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if event["server"].capability_queue:
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event["server"].send_capability_queue()
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else:
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event["server"].send_capability_end()
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if subcommand == "ACK" or subcommand == "NAK":
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ack = subcommand == "ACK"
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for capability in capabilities:
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cap_obj = event["server"].capabilities_requested[capability]
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del event["server"].capabilities_requested[capability]
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if ack:
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cap_obj.ack()
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else:
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cap_obj.nak()
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if (not event["server"].capabilities_requested and
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not event["server"].waiting_for_capabilities()):
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event["server"].send_capability_end()
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def authenticate(events, event):
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events.on("received.authenticate").call(message=event["line"].args[0],
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server=event["server"])
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