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bot.lua
executable file
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bot.lua
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#!/usr/bin/env lua5.3
setmetatable(_G, { __index = function(_, key)
error("__index on _G: " .. tostring(key))
end, __newindex = function(_, key)
error("__newindex on _G: " .. tostring(key))
end })
math.randomseed(os.time())
local cqueues = require("cqueues")
local discord = require("discord")
local logger = require("logger")
local openssl_rand = require("openssl.rand")
local config = require("config")
local secret_config = require("secret_config")
local basexx = require("basexx")
local http_headers = require("http.headers")
local http_server = require("http.server")
local http_util = require("http.util")
local http_cookie = require("http.cookie")
local http_request = require("http.request")
local lpeg_patterns_uri = require("lpeg_patterns.uri")
local lunajson = require("lunajson")
local powder = require("powder")
local util = require("util")
local db = require("db")
local html_entities = require("htmlEntities")
local history = require("history")
local pcre2 = require("rex_pcre2")
local json_nullv = {}
local WHOISCTX_NAME = "Powder Toy Profile"
local GETRQUSER_NAME = "Get Requesting User"
local command_custom_ids = {
verify = "verify",
setnick = "setnick",
msglog_search_prefix = "msglog_search",
}
assert(openssl_rand.ready())
local guild_members = {}
local subst = util.subst
local log = logger.new(print)
local moderators_str
do
local moderators = {}
for i = 1, #secret_config.mod_role_ids do
table.insert(moderators, subst("<@&$>", secret_config.mod_role_ids[i]))
end
moderators_str = table.concat(moderators, ", ")
end
local dbh = db.handle("tptutilitybot.sqlite3")
local function db_connect(log, duser, tuser, tname)
return dbh:exec(log:sub("connecting duser $ with tuser $ aka $", duser, tuser, tname), [[INSERT INTO connections ("duser", "tuser", "tname", "stale") values (?, ?, ?, 0)]], duser, tuser, tname)
end
local function db_tnameupdate(log, duser, tname)
return dbh:exec(log:sub("updating tname of duser $ to $ and unmarking it stale", duser, tname), [[UPDATE connections SET "stale" = 0, "tname" = ? WHERE "duser" = ?]], tname, duser)
end
local function db_markstale(log, duser)
return dbh:exec(log:sub("marking duser $ stale", duser), [[UPDATE connections SET "stale" = 1 WHERE "duser" = ?]], duser)
end
local function db_whois(log, duser)
return dbh:exec(log:sub("looking up duser $", duser), [[SELECT * FROM connections WHERE "duser" = ?]], duser)
end
local function db_rwhois(log, tuser)
return dbh:exec(log:sub("looking up tuser $", tuser), [[SELECT * FROM connections WHERE "tuser" = ? COLLATE NOCASE]], tuser)
end
local function db_disconnect(log, duser)
return dbh:exec(log:sub("disconnecting duser $", duser), [[DELETE FROM connections WHERE "duser" = ?]], duser)
end
local function db_rdisconnect(log, tuser)
return dbh:exec(log:sub("disconnecting tuser $", tuser), [[DELETE FROM connections WHERE "tuser" = ? COLLATE NOCASE]], tuser)
end
local function db_random_nonstale(log)
return dbh:exec(log:sub("selecting random user"), [[SELECT * FROM connections WHERE "stale" = 0 ORDER BY random() LIMIT 1]])
end
local function array_intersect(arr1, arr2)
for i = 1, #arr1 do
for j = 1, #arr2 do
if arr1[i] == arr2[j] then
return true
end
end
end
end
local ident_token_counter = 0
local ident_tokens = {}
local duser_to_ident_token = {}
local function invalidate_ident_token(log, ident_token)
log("invalidating ident token $", ident_tokens[ident_token].unique)
duser_to_ident_token[ident_tokens[ident_token].user.id] = nil
ident_tokens[ident_token] = nil
end
local function prune_iat_table(tbl, max_age, kill_func)
local to_kill = {}
local now = cqueues.monotime()
for key, value in pairs(tbl) do
if value.iat + max_age < now then
to_kill[key] = true
end
end
for key in pairs(to_kill) do
kill_func(key)
end
end
dbh:exec(log:sub("setting up db"), [[CREATE TABLE IF NOT EXISTS connections(
"duser" STRING NOT NULL,
"tuser" INTEGER NOT NULL,
"tname" STRING NOT NULL,
"stale" BOOLEAN NOT NULL,
unique ("duser"),
unique ("tuser")
)]])
local cli
local function give_role(log, duser)
local log = log:sub("giving managed role to duser $", duser)
local data, errcode, errbody = cli:assign_user_role(secret_config.guild_id, duser, secret_config.managed_role_id)
if not data then
log("failed: status $: $", errcode, errbody)
end
return data, errcode, errbody
end
local function take_role(log, duser)
local log = log:sub("taking managed role from duser $", duser)
local data, errcode, errbody = cli:unassign_user_role(secret_config.guild_id, duser, secret_config.managed_role_id)
if not data then
log("failed: status $: $", errcode, errbody)
end
return data, errcode, errbody
end
local function set_nick(log, duser, nick)
local log = log:sub("setting nick of duser $ to $", duser, nick)
local data, errcode, errbody = cli:set_user_nick(secret_config.guild_id, duser, nick)
if not data then
log("failed: status $: $", errcode, errbody)
end
return data, errcode, errbody
end
local function get_roles(log, duser)
local log = log:sub("getting roles of duser $", duser)
local data, errcode, errbody = cli:get_user_roles(secret_config.guild_id, duser)
if not data then
log("failed: status $: $", errcode, errbody)
end
return data
end
local function get_effective_dname(duser, dname)
local log = log:sub("getting effective dname of duser $", duser)
local nick, errcode, errbody = cli:get_user_nick(secret_config.guild_id, duser)
if nick == nil then
log("failed: status $: $", errcode, errbody)
return nil, errcode, errbody
end
return nick or dname, errcode, errbody
end
local function assert_api_fetch(data, errcode, errbody)
if not data then
error(subst("error: code $: $", errcode, errbody))
end
return data
end
local function discord_response_data(info)
local data = {}
if not info.enable_mentions then
data.allowed_mentions = {
replied_user = false,
parse = util.make_array({}),
}
end
data.content = info.content
data.components = info.components
data.flags = discord.interaction_response_flag.EPHEMERAL
if info.url then
assert(not data.components)
data.components = {
{
type = discord.component.ACTION_ROW,
components = {
{
type = discord.component.BUTTON,
style = discord.component_button.LINK,
url = info.url,
label = info.label,
},
},
},
}
end
return data
end
local function discord_interaction_respond(data, info)
return cli:create_interaction_response(data.id, data.token, {
type = discord.interaction_response.CHANNEL_MESSAGE_WITH_SOURCE,
data = discord_response_data(info),
})
end
local function discord_interaction_followup(token, info)
return cli:create_followup_message(token, discord_response_data(info))
end
local recheck_cache = {}
local function recheck_connection(log, record)
if record then
prune_iat_table(recheck_cache, config.bot.recheck_cache_max_age, function(duser)
log("removing recheck cache entry for duser $: pruned", duser)
recheck_cache[duser] = nil
end)
local log = log:sub("rechecking connection for duser $", record.duser)
if recheck_cache[record.duser] then
log("found recheck cache entry")
else
local tuser, err = powder.fetch_user(record.tname)
if tuser == nil then
log("backend fetch failed: $", err)
elseif tuser == false or tuser.ID ~= record.tuser then
if record.stale == 0 then
local log = log:sub("$ has changed usernames, dropping connection", record.tname)
if guild_members[record.duser] then
local ok, errcode, errbody = cli:create_channel_message(secret_config.verification_id, discord_response_data({
content = subst("<@$> You seem to have changed your username on Powder Toy. Use **/verify** or the button below to verify yourself again.", record.duser),
components = {
{
type = discord.component.ACTION_ROW,
components = {
{
type = discord.component.BUTTON,
style = discord.component_button.PRIMARY,
custom_id = command_custom_ids.verify,
label = "Verify yourself again",
},
},
},
},
enable_mentions = true,
}))
if not ok then
log("failed to notify user: code $: $", errcode, errbody)
end
end
db_markstale(log, record.duser)
take_role(log, record.duser)
record.stale = 1
end
else
local log = log:sub("$ has not changed usernames yet", record.tname)
log("creating recheck cache entry for duser $", record.duser)
recheck_cache[record.duser] = {
iat = cqueues.monotime(),
}
end
end
end
return record
end
local command_id_to_info = {}
local add_command, register_commands
do
local data_in = {}
local name_to_info = {}
function add_command(command_data)
local function scrub(tbl, key)
local value = tbl[key]
assert(value ~= nil, "missing to-be-scrubbed key " .. tostring(key))
tbl[key] = nil
return value
end
local can_use = scrub(command_data, "can_use_")
local handler
if command_data.options and command_data.options[1] and command_data.options[1].type == discord.command_option.SUB_COMMAND then
handler = {}
for _, subcommand_data in ipairs(command_data.options) do
handler[subcommand_data.name] = scrub(subcommand_data, "handler_")
end
else
handler = scrub(command_data, "handler_")
end
name_to_info[command_data.name] = {
name = command_data.name,
handler = handler,
can_use = can_use,
}
table.insert(data_in, command_data)
end
function register_commands()
local data_out = assert_api_fetch(cli:set_application_commands(secret_config.guild_id, data_in))
for _, command_data in pairs(data_out) do
command_id_to_info[command_data.id] = name_to_info[command_data.name]
end
end
end
local function appcommand_ping(log, data)
local log = log:sub("appcommand_ping for duser $", data.member.user.id)
local ok, errcode, errbody = discord_interaction_respond(data, {
content = "Pong!" .. (math.random() < 0.001 and " 🍌" or ""),
})
if not ok then
log("failed to notify user: code $: $", errcode, errbody)
end
end
add_command({
name = "ping",
description = "Ping the Utility Bot",
options = util.make_array({}),
handler_ = appcommand_ping,
can_use_ = true,
})
local function appcommand_ident(log, data)
local log = log:sub("appcommand_ident for duser $", data.member.user.id)
local record = recheck_connection(log, db_whois(log, data.member.user.id)[1])
local tnameupdate = false
if record then
if record.stale == 1 then
tnameupdate = record.tuser
else
local log = log:sub("duser $ already has a tuser connected", data.member.user.id)
local role_ok = give_role(log, data.member.user.id)
local ok, errcode, errbody
if role_ok then
ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("Your Powder Toy account is already connected: $", record.tname),
url = subst("$/User.html?Name=$", secret_config.backend_base, record.tname),
label = subst("View $'s Powder Toy profile", record.tname),
})
else
ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("Your Powder Toy account is already connected, but an error occurred while assigning the <@&$> role. Contact $ for help.", secret_config.managed_role_id, moderators_str),
})
end
if not ok then
log("failed to notify user: code $: $", errcode, errbody)
end
return
end
end
if duser_to_ident_token[data.member.user.id] then
local log = log:sub("duser $ already had an ident token, obsoleting", data.member.user.id)
local ok, errcode, errbody = discord_interaction_followup(ident_tokens[duser_to_ident_token[data.member.user.id]].followup, {
content = "This link has been invalidated by your requesting another one.",
})
if not ok then
log("failed to notify user: code $: $", errcode, errbody)
end
invalidate_ident_token(log:sub("invalidating ident token: obsoleted"), duser_to_ident_token[data.member.user.id])
end
prune_iat_table(ident_tokens, config.bot.ident_token_max_age, function(token)
invalidate_ident_token(log:sub("invalidating ident token for $: pruned", ident_tokens[token].user.id), token)
end)
local ident_token
while true do
ident_token = basexx.to_url64(openssl_rand.bytes(48))
if not ident_tokens[ident_token] then
break
end
end
ident_token_counter = ident_token_counter + 1
ident_tokens[ident_token] = {
user = {
id = data.member.user.id,
username = data.member.user.username,
discriminator = data.member.user.discriminator,
global_name = data.member.user.global_name,
},
iat = cqueues.monotime(),
followup = data.token,
unique = ident_token_counter,
tnameupdate = tnameupdate,
}
if tnameupdate then
log("allocated ident tnameupdate token $ for duser $", ident_tokens[ident_token].unique, data.member.user.id)
else
log("allocated ident connect token $ for duser $", ident_tokens[ident_token].unique, data.member.user.id)
end
duser_to_ident_token[data.member.user.id] = ident_token
local ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("Are you ready to connect your Powder Toy account? The link below will expire in $ minutes.", math.ceil(config.bot.ident_token_max_age / 60)),
url = subst("$/ExternalAuth.api?Action=Get&Audience=$&AppToken=$", secret_config.backend_base, secret_config.backend_audience, ident_token),
label = "Connect your Powder Toy account",
})
if not ok then
invalidate_ident_token(log:sub("invalidating ident token: undelivered: code $: $", errcode, errbody), ident_token)
return
end
end
add_command({
name = "verify",
description = "Verify yourself by connecting your Powder Toy account",
options = util.make_array({}),
handler_ = appcommand_ident,
can_use_ = true,
})
local function appcommand_setnick(log, data)
local log = log:sub("appcommand_setnick for duser $", data.member.user.id)
local record = recheck_connection(log, db_whois(log, data.member.user.id)[1])
local ok, errcode, errbody
if record then
local edname = get_effective_dname(data.member.user.id, data.member.user.global_name)
if not edname then
ok, errcode, errbody = discord_interaction_respond(data, {
content = "Your nickname could not be set. Contact " .. moderators_str .. " for help.",
})
elseif edname == record.tname then
log("found duser $ with edname $ == tname $", data.member.user.id, edname, record.tname)
ok, errcode, errbody = discord_interaction_respond(data, {
content = "Your nickname already matches your Powder Toy name.",
})
else
log("found duser $ with edname $ != tname $", data.member.user.id, edname, record.tname)
local set_ok = set_nick(log, data.member.user.id, record.tname)
if set_ok then
ok, errcode, errbody = discord_interaction_respond(data, {
content = "Done.",
})
else
ok, errcode, errbody = discord_interaction_respond(data, {
content = "Your nickname could not be set. Contact " .. moderators_str .. " for help.",
})
end
end
else
log("duser $ not found", data.member.user.id)
ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("Your account has been disconnected, see the message in <#$>.", secret_config.verification_id),
})
end
if not ok then
log("failed to notify user: code $: $", errcode, errbody)
end
end
add_command({
name = "setnick",
description = "Set your Powder Toy name as your nickname",
options = util.make_array({}),
handler_ = appcommand_setnick,
can_use_ = secret_config.user_role_ids,
})
local rquser_events = history.history(config.bot.rquser_max_log)
local function appcommand_getrquser(log, data)
local dmsg = data.data.target_id
local log = log:sub("appcommand_getrquser by duser $ for dmsg $", data.member.user.id, dmsg)
local duser = rquser_events:get(dmsg)
local ok, errcode, errbody
if duser then
log("found dmsg $: requested by duser $", dmsg, duser)
ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("Requested by <@$>.", duser),
})
else
log("dmsg $ not found", dmsg)
ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("Not present in log."),
})
end
if not ok then
log("failed to notify user: code $: $", errcode, errbody)
end
end
add_command({
name = GETRQUSER_NAME,
type = discord.command.MESSAGE,
handler_ = appcommand_getrquser,
can_use_ = secret_config.mod_role_ids,
})
local function appcommand_whois(log, data)
local duser
if data.data.target_id then
duser = data.data.target_id
else
for _, option in pairs(data.data.options) do
if option.name == "duser" then
duser = option.value
end
end
end
local log = log:sub("appcommand_whois by duser $ for duser $", data.member.user.id, duser)
local record = recheck_connection(log, db_whois(log, duser)[1])
local ok, errcode, errbody
if record then
if record.stale == 1 then
log("found duser $: tname was $", duser, record.tname)
ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("<@$> was $.", duser, record.tname),
})
else
log("found duser $: tname is $", duser, record.tname)
ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("<@$> is $.", duser, record.tname),
url = subst("$/User.html?Name=$", secret_config.backend_base, record.tname),
label = subst("View $'s Powder Toy profile", record.tname),
})
end
else
log("duser $ not found", duser)
ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("<@$> has not connected a Powder Toy account.", duser),
})
end
if not ok then
log("failed to notify user: code $: $", errcode, errbody)
end
end
add_command({
name = "whois",
description = "Look up a Powder Toy user based on a Discord user",
options = {
{ name = "duser", description = "Discord user to look for", type = discord.command_option.USER, required = true },
},
handler_ = appcommand_whois,
can_use_ = secret_config.user_role_ids,
})
add_command({
name = WHOISCTX_NAME,
type = discord.command.USER,
handler_ = appcommand_whois,
can_use_ = secret_config.user_role_ids,
})
local function appcommand_identmod_dwhois(log, data)
local duserid
for _, option in pairs(data.data.options[1].options) do
if option.name == "duserid" then
duserid = option.value
end
end
local log = log:sub("appcommand_identmod_dwhois by duser $ for duserid $", data.member.user.id, duserid)
if not duserid:find("^[0-9]+$") then
log("invalid snowflake $", duserid)
local ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("$ does not look like a valid snowflake.", duserid),
})
if not ok then
log("failed to notify user: code $: $", errcode, errbody)
end
return
end
appcommand_whois(log:sub("entering from dwhois"), {
data = { target_id = duserid },
member = data.member,
id = data.id,
token = data.token,
})
end
local function appcommand_rwhois(log, data)
local tname
for _, option in pairs(data.data.options) do
if option.name == "tname" then
tname = option.value
end
end
local log = log:sub("appcommand_rwhois by duser $ for tname $", data.member.user.id, tname)
local tuser, err = powder.fetch_user(tname)
local ok, errcode, errbody
if tuser == nil then
log("failed to fetch user: $", err)
ok, errcode, errbody = discord_interaction_respond(data, {
content = "Backend error, try again later.",
})
elseif not tuser then
log("no such user")
ok, errcode, errbody = discord_interaction_respond(data, {
content = "No such user.",
})
else
log("user found")
local record = recheck_connection(log, db_rwhois(log, tuser.ID)[1])
if record then
if record.stale == 1 then
log("found tuser $: duser was $", tuser.ID, record.duser)
ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("$ was <@$>.", tuser.Username, record.duser),
})
else
log("found tuser $: duser is $", tuser.ID, record.duser)
ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("$ is <@$>.", tuser.Username, record.duser),
})
end
else
log("tuser $ not found", tuser.ID)
ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("$ has not connected a Discord account.", tuser.Username),
})
end
end
if not ok then
log("failed to notify user: code $: $", errcode, errbody)
end
end
add_command({
name = "rwhois",
description = "Look up a Discord user based on a Powder Toy user",
options = {
{ name = "tname", description = "Powder Toy user to look for", type = discord.command_option.STRING, required = true },
},
handler_ = appcommand_rwhois,
can_use_ = secret_config.user_role_ids,
})
local message_log = history.history(config.bot.message_log_max_blob_bytes)
local search_session_log = history.history(config.bot.message_log_max_sessions)
local MSGLOG_SEARCH_REVISION_AVAILABLE_LAST = -1
local MSGLOG_SEARCH_REVISION_AVAILABLE_FIRST = -2
local function search_respond(log, data, search_session_id, results, page_index, revision_index, item_index)
local ok, errcode, errbody
if #results == 0 then
ok, errcode, errbody = discord_interaction_respond(data, {
content = "No results.",
})
elseif item_index < 1 or item_index > #results then
ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("Invalid item index $ into result set of $ items.", item_index, #results),
})
else
local item = results[#results + 1 - item_index]
local revision_available_last = item.value.revision
local revisions = {
[ revision_available_last ] = item.value,
}
local revision_available_first = revision_available_last
while true do
local index = revision_available_first - 1
local revision = message_log:get(item.key .. "/" .. index)
if not revision then
break
end
revisions[index] = revision
revision_available_first = index
end
if revision_index == MSGLOG_SEARCH_REVISION_AVAILABLE_LAST then
revision_index = revision_available_last
end
if revision_index == MSGLOG_SEARCH_REVISION_AVAILABLE_FIRST then
revision_index = revision_available_first
end
local selected_revision = revisions[revision_index]
local result_pages = selected_revision and math.ceil(#selected_revision.content_blob / config.bot.message_log_page_size)
if not selected_revision then
ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("Invalid revision index $ into set of available revisions $ through $.", revision_index, revision_available_first, revision_available_last),
})
elseif page_index < 1 or page_index > result_pages then
ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("Invalid page index $ into result set of $ pages.", page_index, result_pages),
})
else
local page_base = (page_index - 1) * config.bot.message_log_page_size
local blob_page = selected_revision.content_blob:sub(page_base + 1, page_base + config.bot.message_log_page_size)
local mention_strs = {}
for i = 1, #selected_revision.mentions do
table.insert(mention_strs, subst("<@$>", selected_revision.mentions[i]))
end
for i = 1, #selected_revision.mention_roles do
table.insert(mention_strs, subst("<@&$>", selected_revision.mention_roles[i]))
end
if #mention_strs == 0 then
table.insert(mention_strs, "nobody")
end
local mentions_str = table.concat(mention_strs, " ")
local content = {}
table.insert(content, subst("Item $ of $, ", item_index, #results))
if revision_available_first > 1 then
table.insert(content, subst("revision $ of $ through $ available, ", revision_index, revision_available_first, revision_available_last))
else
table.insert(content, subst("revision $ of $, ", revision_index, revision_available_last))
end
if result_pages > 1 then
table.insert(content, subst("page $ of $, ", page_index, result_pages))
end
table.insert(content, subst("$ <t:$:R>, ", selected_revision.status, selected_revision.timestamp))
table.insert(content, subst("from <@$>, ", selected_revision.user.id))
table.insert(content, subst("in <#$>, ", selected_revision.channel))
table.insert(content, subst("mentioning $", mentions_str))
table.insert(content, subst("\n```json\n$\n```", blob_page))
local action_row_components = {}
local function custom_id(page_index, revision_index, item_index)
return table.concat({
command_custom_ids.msglog_search_prefix,
search_session_id,
page_index,
revision_index,
item_index,
}, "/")
end
if page_index < result_pages then
table.insert(action_row_components, {
type = discord.component.BUTTON,
style = discord.component_button.SECONDARY,
custom_id = custom_id(page_index + 1, revision_index, item_index),
label = "Next page",
})
end
if revision_index > revision_available_first then
table.insert(action_row_components, {
type = discord.component.BUTTON,
style = discord.component_button.SECONDARY,
custom_id = custom_id(1, revision_index - 1, item_index),
label = "Previous revision",
})
end
if item_index < #results then
table.insert(action_row_components, {
type = discord.component.BUTTON,
style = discord.component_button.SECONDARY,
custom_id = custom_id(1, MSGLOG_SEARCH_REVISION_AVAILABLE_LAST, item_index + 1),
label = "Next item",
})
end
local components
if #action_row_components > 0 then
action_row_components[1].style = discord.component_button.PRIMARY
components = {
{
type = discord.component.ACTION_ROW,
components = action_row_components,
}
}
end
ok, errcode, errbody = discord_interaction_respond(data, {
content = table.concat(content),
components = components,
})
end
end
if not ok then
log("failed to notify user: code $: $", errcode, errbody)
end
end
local function appcommand_msglog_search(log, data)
if data.data.custom_id then
local _, search_session_id, page_index, revision_index, item_index = table.unpack(util.split(data.data.custom_id, "/"))
page_index = tonumber(page_index)
revision_index = tonumber(revision_index)
item_index = tonumber(item_index)
local log = log:sub("appcommand_msglog_search by duser $ picking up search session $", data.member.user.id, search_session_id)
local results = search_session_log:get(search_session_id)
if not results then
log("search session expired")
local ok, errcode, errbody = discord_interaction_respond(data, {
content = "Search session has expired, try the slash command.",
})
if not ok then
log("failed to notify user: code $: $", errcode, errbody)
end
return
end
search_respond(log, data, search_session_id, results, page_index, revision_index, item_index)
return
end
local terms = {}
local supported_terms = {
item = true,
revision = true,
page = true,
created = true,
edited = true,
deleted = true,
channel = true,
sender = true,
mentionee = true,
regex = true,
caseless = true,
multiline = true,
dotall = true,
extended = true,
ungreedy = true,
msgid = true,
}
local term_strs = {}
for _, option in pairs(data.data.options[1].options) do
if supported_terms[option.name] then
terms[option.name] = {
type = option.type,
value = option.value,
}
table.insert(term_strs, subst("$ = $", option.name, option.value))
end
end
local terms_str = #term_strs > 0 and ("terms " .. table.concat(term_strs, ", ")) or "no terms"
local log = log:sub("appcommand_msglog_search by duser $ with $", data.member.user.id, terms_str)
local regex
if terms.regex then
local flags = ""
if (terms.caseless and terms.caseless .value) ~= false then flags = flags .. "i" end
if (terms.multiline and terms.multiline.value) ~= false then flags = flags .. "m" end
if (terms.dotall and terms.dotall .value) ~= false then flags = flags .. "s" end
if (terms.extended and terms.extended .value) == true then flags = flags .. "x" end
if (terms.ungreedy and terms.ungreedy .value) == true then flags = flags .. "U" end
local ok, err = pcall(function()
regex = pcre2.new(terms.regex.value, flags)
end)
if not ok then
log("bad regex")
local ok, errcode, errbody = discord_interaction_respond(data, {
content = subst("Invalid regex: $", err),
})
if not ok then
log("failed to notify user: code $: $", errcode, errbody)
end
return
end
end
local mentionables
if terms.mentionee then
mentionables = { [ terms.mentionee.value ] = true }
local roles
if terms.mentionee.value == data.member.user.id then
log("roles for mentionee discovered in the member field")
roles = data.member.roles
elseif data.data.resolved and data.data.resolved.members and data.data.resolved.members[terms.mentionee.value] then
log("roles for mentionee discovered in the resolved field")
roles = data.data.resolved.members[terms.mentionee.value].roles
elseif data.data.resolved and data.data.resolved.roles and data.data.resolved.roles[terms.mentionee.value] then
log("mentionee is a role")
else
assert(false)
end
if roles then
for i = 1, #roles do
mentionables[roles[i]] = true
end
end
end
local results = {}
for key, value in message_log:all() do
local include = true
if key:find("/") then
include = false
end
if terms.created then include = include and terms.created.value == (value.status == "created") end
if terms.edited then include = include and terms.edited .value == (value.status == "edited") end
if terms.deleted then include = include and terms.deleted.value == (value.status == "deleted") end
if terms.channel then include = include and terms.channel.value == value.channel end
if terms.sender then include = include and terms.sender .value == value.user.id end
if terms.msgid then include = include and terms.msgid .value == key end
if regex then include = include and regex:find(value.content_blob) end
if mentionables then
local found = false
local function check_array(array)
for i = 1, #array do
if mentionables[array[i]] then
found = true
end
end
end
check_array(value.mentions)
check_array(value.mention_roles)
include = include and found
end
if include then
table.insert(results, {
key = key,
value = value,
})
end
end
local search_session_id = basexx.to_url64(openssl_rand.bytes(12))
search_session_log:push(search_session_id, results)
local page_index = terms.page and terms.page .value or 1
local revision_index = terms.revision and terms.revision.value or MSGLOG_SEARCH_REVISION_AVAILABLE_LAST
local item_index = terms.item and terms.item .value or 1
search_respond(log, data, search_session_id, results, page_index, revision_index, item_index)
end
local function appcommand_msglog_whopinged(log, data)
local terms = {
mentionee = {
value = data.member.user.id,
},
created = {
value = false,
},
revision = {
value = MSGLOG_SEARCH_REVISION_AVAILABLE_FIRST,
},
}
local supported_terms = {
channel = true,
mentionee = true,
}
local term_strs = {}
for _, option in pairs(data.data.options[1].options) do
if supported_terms[option.name] then
terms[option.name] = {
value = option.value,
}
table.insert(term_strs, subst("$ = $", option.name, option.value))
end
end
local terms_str = #term_strs > 0 and ("terms " .. table.concat(term_strs, ", ")) or "no terms"
local log = log:sub("appcommand_msglog_whopinged by duser $ with $", data.member.user.id, terms_str)
local forwarded_options = {}
for name, item in pairs(terms) do
table.insert(forwarded_options, {
name = name,
value = item.value,
})
end
appcommand_msglog_search(log:sub("entering from whopinged"), {
data = {
options = {
{
options = forwarded_options,
}
},
resolved = data.data.resolved,
},
member = data.member,
id = data.id,
token = data.token,
})
end
add_command({
name = "msglog",
description = "Moderator command for inspecting the message log",
options = {
{
name = "search",
description = "Search for messages in the log",
type = discord.command_option.SUB_COMMAND,
options = {
{ name = "item" , description = "Item index, starts at and defaults to 1 (most recent) and counts up" , type = discord.command_option.INTEGER },
{ name = "revision" , description = "Revision index, starts at 1 (least recent) and counts up, defaults to the most recent one" , type = discord.command_option.INTEGER },
{ name = "page" , description = subst("Page ($-byte chunk) index, starts at and defaults to 1 and counts up", config.bot.message_log_page_size), type = discord.command_option.INTEGER },
{ name = "created" , description = "Created status, defaults to none" , type = discord.command_option.BOOLEAN },
{ name = "edited" , description = "Edited status, defaults to none" , type = discord.command_option.BOOLEAN },
{ name = "deleted" , description = "Deleted status, defaults to none" , type = discord.command_option.BOOLEAN },
{ name = "channel" , description = "Sent to this channel, defaults to none" , type = discord.command_option.CHANNEL },
{ name = "sender" , description = "Sent by this user, defaults to none" , type = discord.command_option.USER },
{ name = "mentionee", description = "Mentioned this user (either directly or via a role) or role, defaults to none" , type = discord.command_option.MENTIONABLE },
{ name = "regex" , description = "PCRE2 regex to filter content blob with, defaults to none" , type = discord.command_option.STRING },
{ name = "caseless" , description = "PCRE2_CASELESS flag, defaults to true" , type = discord.command_option.BOOLEAN },
{ name = "multiline", description = "PCRE2_MULTILINE flag, defaults to true" , type = discord.command_option.BOOLEAN },
{ name = "dotall" , description = "PCRE2_DOTALL flag, defaults to true" , type = discord.command_option.BOOLEAN },
{ name = "extended" , description = "PCRE2_EXTENDED flag, defaults to false" , type = discord.command_option.BOOLEAN },
{ name = "ungreedy" , description = "PCRE2_UNGREEDY flag, defaults to false" , type = discord.command_option.BOOLEAN },
{ name = "msgid" , description = "Message ID, defaults to none" , type = discord.command_option.STRING },
},
handler_ = appcommand_msglog_search,
},
{
name = "whopinged",
description = "Helps you figure out who pinged you last and then edited or deleted their message",
type = discord.command_option.SUB_COMMAND,
options = {
{ name = "channel" , description = "Sent to this channel, defaults to none" , type = discord.command_option.CHANNEL },
{ name = "mentionee", description = "Mentioned this user (either directly or via a role) or role, defaults to you", type = discord.command_option.MENTIONABLE },
},
handler_ = appcommand_msglog_whopinged,
},
},
can_use_ = secret_config.mod_role_ids,
})
local function appcommand_identmod_connect(log, data)
local duser, tname
local giverole = true
for _, option in pairs(data.data.options[1].options) do
if option.name == "duser" then
duser = option.value
end
if option.name == "tname" then
tname = option.value