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https://github.com/Citadel-Station-13/Citadel-Station-13-RP.git
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Letter NandGitHub
e2f278261b
update devserver, more common stuff is typescriptified, minor panel ts update
96 lines
2.6 KiB
Plaintext
96 lines
2.6 KiB
Plaintext
/*!
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* Copyright (c) 2020 Aleksej Komarov
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* SPDX-License-Identifier: MIT
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*/
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/**
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* Maximum number of connection records allowed to analyze.
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* Should match the value set in the browser.
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*/
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#define TGUI_TELEMETRY_MAX_CONNECTIONS 5
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/**
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* Maximum time allocated for sending a telemetry packet.
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*/
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#define TGUI_TELEMETRY_RESPONSE_WINDOW (30 SECONDS)
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/// Time of telemetry request
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/datum/tgui_panel/var/telemetry_requested_at
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/// Time of telemetry analysis completion
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/datum/tgui_panel/var/telemetry_analyzed_at
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/// List of previous client connections
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/datum/tgui_panel/var/list/telemetry_connections
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/**
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* private
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*
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* Requests some telemetry from the client.
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*/
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/datum/tgui_panel/proc/request_telemetry()
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telemetry_requested_at = world.time
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telemetry_analyzed_at = null
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window.send_message("telemetry/request", list(
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"limits" = list(
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"connections" = TGUI_TELEMETRY_MAX_CONNECTIONS,
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),
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))
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/**
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* private
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*
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* Analyzes a telemetry packet.
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*
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* Is currently only useful for detecting ban evasion attempts.
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*/
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/datum/tgui_panel/proc/analyze_telemetry(payload)
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if(world.time > telemetry_requested_at + TGUI_TELEMETRY_RESPONSE_WINDOW)
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message_admins("[key_name(client)] sent telemetry outside of the allocated time window.")
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return
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if(telemetry_analyzed_at)
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message_admins("[key_name(client)] sent telemetry more than once.")
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return
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telemetry_analyzed_at = world.time
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if(!payload)
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return
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telemetry_connections = payload["connections"]
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var/len = length(telemetry_connections)
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if(len == 0)
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return
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if(len > TGUI_TELEMETRY_MAX_CONNECTIONS)
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message_admins("[key_name(client)] was kicked for sending a huge telemetry payload")
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qdel(client)
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return
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var/ckey = client?.ckey
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if (!ckey)
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return
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var/list/found
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for(var/i in 1 to len)
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if(QDELETED(client))
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// He got cleaned up before we were done
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return
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var/list/row = telemetry_connections[i]
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// Check for a malformed history object
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if (!row || row.len < 3 || (!row["ckey"] || !row["address"] || !row["computer_id"]))
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return
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if (world.IsBanned(row["ckey"], row["address"], row["computer_id"], real_bans_only = TRUE))
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found = row
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break
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CHECK_TICK
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// This fucker has a history of playing on a banned account.
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if(found)
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var/msg = "[key_name(client)] has a banned account in connection history! (Matched: [found["ckey"]], [found["address"]], [found["computer_id"]])"
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message_admins(msg)
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send2irc_adminless_only("Banned-user", msg)
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log_admin_private(msg)
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log_suspicious_login(msg, access_log_mirror = FALSE)
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#undef TGUI_TELEMETRY_MAX_CONNECTIONS
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#undef TGUI_TELEMETRY_RESPONSE_WINDOW
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