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@@ -1,5 +1,5 @@
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# mautrix-signal - A Matrix-Signal puppeting bridge
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-# Copyright (C) 2020 Tulir Asokan
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+# Copyright (C) 2021 Tulir Asokan
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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@@ -13,17 +13,19 @@
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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-from typing import List, Tuple, cast
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-from html import escape
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+from __future__ import annotations
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+
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+from typing import cast
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+import html
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import struct
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-from mautrix.types import Format, MessageType, TextMessageEventContent
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+from mautrix.types import Format, MessageType, TextMessageEventContent, UserID
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from mautrix.util.formatter import (
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EntityString,
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EntityType,
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MarkdownString,
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MatrixParser as BaseMatrixParser,
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- SimpleEntity,
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+ SemiAbstractEntity,
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)
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from mausignald.types import Address, Mention, MessageData
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@@ -31,9 +33,9 @@ from mausignald.types import Address, Mention, MessageData
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from . import puppet as pu, user as u
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-# Helper methods from rom https://github.com/LonamiWebs/Telethon/blob/master/telethon/helpers.py
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-# I don't know if this is how Signal actually calculates lengths, but it seems
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-# to work better than plain len()
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+# Helper methods from from https://github.com/LonamiWebs/Telethon/blob/master/telethon/helpers.py
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+# I don't know if this is how Signal actually calculates lengths,
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+# but it seems to work better than plain len()
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def add_surrogate(text: str) -> str:
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return "".join(
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"".join(chr(y) for y in struct.unpack("<HH", x.encode("utf-16le")))
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@@ -59,32 +61,40 @@ async def signal_to_matrix(message: MessageData) -> TextMessageEventContent:
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last_offset = mention.start + mention.length
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text_chunks.append(before)
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- html_chunks.append(escape(before))
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+ html_chunks.append(html.escape(before))
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puppet = await pu.Puppet.get_by_address(Address(uuid=mention.uuid))
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name = add_surrogate(puppet.name or puppet.mxid)
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text_chunks.append(name)
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html_chunks.append(f'<a href="https://matrix.to/#/{puppet.mxid}">{name}</a>')
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end = surrogated_text[last_offset:]
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text_chunks.append(end)
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- html_chunks.append(escape(end))
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+ html_chunks.append(html.escape(end))
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content.body = del_surrogate("".join(text_chunks))
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content.format = Format.HTML
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content.formatted_body = del_surrogate("".join(html_chunks))
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return content
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+class MentionEntity(Mention, SemiAbstractEntity):
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+ @property
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+ def offset(self) -> int:
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+ return self.start
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+
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+ @offset.setter
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+ def offset(self, val: int) -> None:
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+ self.start = val
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+
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+ def copy(self) -> MentionEntity:
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+ return MentionEntity(uuid=self.uuid, length=self.length, start=self.start)
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+
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+
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# TODO this has a lot of duplication with mautrix-facebook, maybe move to mautrix-python
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-class SignalFormatString(EntityString[SimpleEntity, EntityType], MarkdownString):
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- def format(self, entity_type: EntityType, **kwargs) -> "SignalFormatString":
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+class SignalFormatString(EntityString[MentionEntity, EntityType], MarkdownString):
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+ def format(self, entity_type: EntityType, **kwargs) -> SignalFormatString:
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prefix = suffix = ""
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if entity_type == EntityType.USER_MENTION:
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self.entities.append(
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- SimpleEntity(
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- type=entity_type,
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- offset=0,
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- length=len(self.text),
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- extra_info={"user_id": kwargs["user_id"]},
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- )
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+ MentionEntity(uuid=kwargs["uuid"], start=0, length=len(self.text)),
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)
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return self
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elif entity_type == EntityType.BOLD:
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@@ -118,32 +128,32 @@ class SignalFormatString(EntityString[SimpleEntity, EntityType], MarkdownString)
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class MatrixParser(BaseMatrixParser[SignalFormatString]):
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fs = SignalFormatString
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- @classmethod
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- def parse(cls, data: str) -> SignalFormatString:
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- return cast(SignalFormatString, super().parse(data))
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+ async def user_pill_to_fstring(
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+ self, msg: SignalFormatString, user_id: UserID
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+ ) -> SignalFormatString:
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+ user = await u.User.get_by_mxid(user_id, create=False)
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+ if user and user.uuid:
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+ uuid = user.uuid
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+ else:
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+ puppet = await pu.Puppet.get_by_mxid(user_id, create=False)
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+ if puppet:
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+ uuid = puppet.uuid
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+ else:
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+ return msg
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+ return msg.format(self.e.USER_MENTION, uuid=uuid)
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+ async def parse(self, data: str) -> SignalFormatString:
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+ return cast(SignalFormatString, await super().parse(data))
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-async def matrix_to_signal(content: TextMessageEventContent) -> Tuple[str, List[Mention]]:
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+
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+async def matrix_to_signal(content: TextMessageEventContent) -> tuple[str, list[Mention]]:
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if content.msgtype == MessageType.EMOTE:
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content.body = f"/me {content.body}"
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if content.formatted_body:
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content.formatted_body = f"/me {content.formatted_body}"
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- mentions = []
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if content.format == Format.HTML and content.formatted_body:
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- parsed = MatrixParser.parse(add_surrogate(content.formatted_body))
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- text = del_surrogate(parsed.text)
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- for mention in parsed.entities:
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- mxid = mention.extra_info["user_id"]
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- user = await u.User.get_by_mxid(mxid, create=False)
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- if user and user.uuid:
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- uuid = user.uuid
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- else:
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- puppet = await pu.Puppet.get_by_mxid(mxid, create=False)
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- if puppet:
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- uuid = puppet.uuid
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- else:
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- continue
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- mentions.append(Mention(uuid=uuid, start=mention.offset, length=mention.length))
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+ parsed = await MatrixParser().parse(add_surrogate(content.formatted_body))
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+ text, mentions = del_surrogate(parsed.text), parsed.entities
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else:
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- text = content.body
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+ text, mentions = content.body, []
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return text, mentions
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