mirror of
https://github.com/matrix-construct/construct
synced 2024-08-31 05:45:16 +02:00
434 lines
8 KiB
C++
434 lines
8 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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using namespace ircd;
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static void handle_m_receipt_m_read(const m::room::id &, const m::user::id &, const m::event::id &, const time_t &);
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static void handle_m_receipt_m_read(const m::room::id &, const m::user::id &, const m::edu::m_receipt::m_read &);
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static void handle_m_receipt_m_read(const m::room::id &, const json::object &);
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static void handle_m_receipt(const m::room::id &, const json::object &);
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static void handle_edu_m_receipt(const m::event &, m::vm::eval &);
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mapi::header
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IRCD_MODULE
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{
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"Matrix Receipts"
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};
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const m::hookfn<m::vm::eval &>
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_m_receipt_eval
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{
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handle_edu_m_receipt,
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{
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{ "_site", "vm.eval" },
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{ "type", "m.receipt" },
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}
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};
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void
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handle_edu_m_receipt(const m::event &event,
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m::vm::eval &eval)
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{
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if(json::get<"room_id"_>(event))
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return;
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const json::object &content
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{
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at<"content"_>(event)
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};
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for(const auto &member : content)
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{
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const m::room::id &room_id
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{
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unquote(member.first)
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};
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handle_m_receipt(room_id, member.second);
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}
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}
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void
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handle_m_receipt(const m::room::id &room_id,
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const json::object &content)
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{
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for(const auto &member : content)
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{
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const string_view &type
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{
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unquote(member.first)
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};
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if(type == "m.read")
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{
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handle_m_receipt_m_read(room_id, member.second);
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continue;
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}
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log::dwarning
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{
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m::log, "Unhandled m.receipt type '%s' to room '%s'",
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type,
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string_view{room_id}
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};
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}
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}
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void
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handle_m_receipt_m_read(const m::room::id &room_id,
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const json::object &content)
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{
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for(const auto &member : content)
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{
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const m::user::id user_id
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{
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unquote(member.first)
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};
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const json::object &content
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{
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member.second
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};
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handle_m_receipt_m_read(room_id, user_id, content);
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}
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}
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void
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handle_m_receipt_m_read(const m::room::id &room_id,
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const m::user::id &user_id,
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const m::edu::m_receipt::m_read &receipt)
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{
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const json::array &event_ids
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{
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json::get<"event_ids"_>(receipt)
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};
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const json::object &data
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{
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json::get<"data"_>(receipt)
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};
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const time_t &ts
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{
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data.get<time_t>("ts")
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};
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for(const string_view &event_id : event_ids)
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handle_m_receipt_m_read(room_id, user_id, unquote(event_id), ts);
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}
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void
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handle_m_receipt_m_read(const m::room::id &room_id,
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const m::user::id &user_id,
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const m::event::id &event_id,
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const time_t &ts)
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try
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{
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const m::user user
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{
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user_id
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};
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if(!exists(user))
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{
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log::dwarning
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{
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m::log, "ignoring m.receipt m.read for unknown %s in %s for %s",
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string_view{user_id},
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string_view{room_id},
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string_view{event_id}
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};
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return;
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}
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const m::user::room user_room
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{
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user
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};
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const auto evid
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{
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send(user_room, user_id, "ircd.read", room_id,
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{
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{ "event_id", event_id },
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{ "ts", ts }
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})
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};
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m::event receipt;
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json::get<"depth"_>(receipt) = json::undefined_number;
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json::get<"type"_>(receipt) = "m.receipt"_sv;
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json::get<"room_id"_>(receipt) = room_id;
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json::get<"sender"_>(receipt) = user_id;
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json::get<"origin"_>(receipt) = user_id.host();
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char buf[768];
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json::get<"content"_>(receipt) = json::stringify(mutable_buffer{buf}, json::members
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{
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{ event_id,
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{
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{ "m.read",
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{
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{ user_id,
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{
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{ "ts", ts }
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}}
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}}
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}}
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});
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m::vm::opts vmopts;
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vmopts.conforming = false;
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m::vm::eval eval
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{
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receipt, vmopts
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};
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log::info
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{
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m::log, "%s read by %s in %s @ %zd",
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string_view{event_id},
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string_view{user_id},
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string_view{room_id},
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ts
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};
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}
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catch(const std::exception &e)
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{
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log::derror
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{
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m::log, "failed to save m.receipt m.read for %s in %s for %s :%s",
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string_view{user_id},
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string_view{room_id},
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string_view{event_id},
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e.what()
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};
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}
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m::event::id::buf
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IRCD_MODULE_EXPORT
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ircd::m::receipt::read(const m::room::id &room_id,
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const m::user::id &user_id,
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const m::event::id &event_id,
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const time_t &ms)
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{
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const m::user::room user_room
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{
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user_id
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};
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const auto evid
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{
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send(user_room, user_id, "ircd.read", room_id,
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{
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{ "event_id", event_id },
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{ "ts", ms }
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})
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};
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log::info
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{
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"%s read by %s in %s @ %zd => %s (local)",
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string_view{event_id},
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string_view{user_id},
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string_view{room_id},
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ms,
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string_view{evid}
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};
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const json::value event_ids[]
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{
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{ event_id }
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};
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const json::members m_read
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{
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{ "data",
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{
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{ "ts", ms }
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}},
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{ "event_ids", { event_ids, 1 } },
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};
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json::iov event, content;
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const json::iov::push push[]
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{
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{ event, { "type", "m.receipt" } },
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{ event, { "room_id", room_id } },
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{ content, { room_id,
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{
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{ "m.read",
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{
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{ user_id, m_read }
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}}
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}}}
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};
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m::vm::copts opts;
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opts.add_hash = false;
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opts.add_sig = false;
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opts.add_event_id = false;
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opts.add_origin = true;
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opts.add_origin_server_ts = false;
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opts.conforming = false;
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return m::vm::eval
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{
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event, content, opts
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};
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}
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bool
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IRCD_MODULE_EXPORT
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ircd::m::receipt::read(const m::room::id &room_id,
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const m::user::id &user_id,
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const m::event::id::closure &closure)
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{
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static const m::event::fetch::opts fopts
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{
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m::event::keys::include
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{
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"content"
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}
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};
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const m::user::room user_room
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{
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user_id, nullptr, &fopts
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};
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return user_room.get(std::nothrow, "ircd.read", room_id, [&closure]
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(const m::event &event)
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{
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const m::event::id &event_id
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{
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unquote(at<"content"_>(event).get("event_id"))
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};
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closure(event_id);
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});
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}
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/// Does the user wish to not send receipts for events sent by its specific
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/// sender?
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bool
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IRCD_MODULE_EXPORT
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ircd::m::receipt::ignoring(const m::user &user,
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const m::event::id &event_id)
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{
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bool ret{false};
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m::get(std::nothrow, event_id, "sender", [&ret, &user]
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(const string_view &sender)
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{
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const m::user::room user_room{user};
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ret = user_room.has("ircd.read.ignore", sender);
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});
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return ret;
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}
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/// Does the user wish to not send receipts for events for this entire room?
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bool
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IRCD_MODULE_EXPORT
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ircd::m::receipt::ignoring(const m::user &user,
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const m::room::id &room_id)
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{
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const m::user::room user_room{user};
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return user_room.has("ircd.read.ignore", room_id);
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}
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bool
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IRCD_MODULE_EXPORT
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ircd::m::receipt::freshest(const m::room::id &room_id,
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const m::user::id &user_id,
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const m::event::id &event_id)
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try
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{
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const m::user::room user_room
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{
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user_id
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};
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bool ret{true};
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user_room.get("ircd.read", room_id, [&ret, &event_id]
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(const m::event &event)
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{
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const auto &content
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{
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at<"content"_>(event)
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};
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const m::event::id &previous_id
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{
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unquote(content.get("event_id"))
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};
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if(event_id == previous_id)
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{
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ret = false;
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return;
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}
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const m::event::idx &previous_idx
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{
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index(previous_id)
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};
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const m::event::idx &event_idx
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{
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index(event_id)
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};
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ret = event_idx > previous_idx;
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});
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return ret;
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}
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catch(const std::exception &e)
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{
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log::derror
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{
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m::log, "Freshness of receipt in %s from %s for %s :%s",
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string_view{room_id},
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string_view{user_id},
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string_view{event_id},
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e.what()
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};
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return true;
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}
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bool
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IRCD_MODULE_EXPORT
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ircd::m::receipt::exists(const m::room::id &room_id,
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const m::user::id &user_id,
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const m::event::id &event_id)
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{
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const m::user::room user_room
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{
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user_id
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};
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bool ret{false};
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user_room.get(std::nothrow, "ircd.read", room_id, [&ret, &event_id]
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(const m::event &event)
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{
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const auto &content
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{
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at<"content"_>(event)
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};
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ret = unquote(content.get("event_id")) == event_id;
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});
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return ret;
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}
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