weblog-model.lua 46.2 KB
Newer Older
Ted Trask's avatar
Ted Trask committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
module(..., package.seeall)

-- Load libraries
require("modelfunctions")
require("fs")
require("format")
require("validator")
require("luasql.postgres")

local DatabaseName = "webproxylog"
local DatabaseOwner = "weblogowner"
local DatabaseUser = "webloguser"

local path = "PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin "
local env
local con
local configfile = "/etc/weblog.conf"
local configcontent = fs.read_file(configfile) or ""
local config = format.parse_ini_file(configcontent, "") or {}

local database_creation_script = {
22
	"CREATE TABLE dbhistlog (logdatetime timestamp(3) without time zone NOT NULL, msgtext text)",
23 24 25 26
	"CREATE TABLE pubblocklog(sourcename character varying(40), clientip inet NOT NULL, clientuserid character varying(64) NOT NULL, logdatetime timestamp(3) without time zone NOT NULL, uri text NOT NULL, bytes integer NOT NULL, reason text, score integer, shortreason text)",
	"CREATE TABLE blocklog(sourcename character varying(40), clientip inet NOT NULL, clientuserid character varying(64) NOT NULL, logdatetime timestamp(0) without time zone NOT NULL, uri text NOT NULL, bytes integer NOT NULL, reason text, score integer, shortreason text)",
	"CREATE TABLE pubweblog(sourcename character varying(40), clientip inet NOT NULL, clientuserid character varying(64) NOT NULL, logdatetime timestamp(3) without time zone NOT NULL, uri text NOT NULL, bytes integer NOT NULL, reason text, score integer, shortreason text)",
	"CREATE TABLE weblog(sourcename character varying(40), clientip inet NOT NULL, clientuserid character varying(64) NOT NULL, logdatetime timestamp(3) without time zone NOT NULL, uri text NOT NULL, bytes integer NOT NULL, reason text, score integer, shortreason text)",
Ted Trask's avatar
Ted Trask committed
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
	"CREATE TABLE source (sourcename character varying(40) NOT NULL, method character varying(100) NOT NULL, userid character varying(32), passwd character varying(255), source character varying(255) NOT NULL, tzislocal boolean, enabled boolean)",
	"CREATE TABLE usagestat (sourcename character varying(40) NOT NULL, date timestamp(0) without time zone NOT NULL, numrequest integer, numblock integer)",
	"CREATE TABLE watchlist (clientuserid character varying(64) NOT NULL, expiredatetime timestamp(0) without time zone NOT NULL)",
	"ALTER TABLE ONLY source ADD CONSTRAINT source_pkey PRIMARY KEY (sourcename)",
	"CREATE INDEX blocklogclientididx ON blocklog USING btree (clientuserid)",
	"CREATE INDEX blocklogclientidx ON blocklog USING btree (clientip, clientuserid)",
	"CREATE INDEX dbhistlogdatetimeidx ON dbhistlog USING btree (logdatetime)",
	"CREATE INDEX pubblocklogclientididx ON pubblocklog USING btree (clientuserid)",
	"CREATE INDEX pubblocklogclientidx ON pubblocklog USING btree (clientip, clientuserid)",
	"CREATE INDEX pubweblogclientdateidx ON pubweblog USING btree (logdatetime, clientuserid)",
	"CREATE INDEX pubweblogclientidx ON pubweblog USING btree (clientip, clientuserid)",
	"CREATE INDEX pubweblogclientipidx ON pubweblog USING btree (clientip)",
	"CREATE INDEX pubweblogclientuserididx ON pubweblog USING btree (clientuserid)",
	"CREATE INDEX pubwebloglogdatetimeidx ON pubweblog USING btree (logdatetime)",
	"CREATE INDEX weblogclientidx ON weblog USING btree (clientip, clientuserid)",
	"CREATE INDEX weblogclientipidx ON weblog USING btree (clientip)",
	"CREATE INDEX weblogclientuserididx ON weblog USING btree (clientuserid)",
44 45 46 47 48 49
	"GRANT SELECT ON dbhistlog TO "..DatabaseUser,
	"GRANT SELECT ON pubblocklog TO "..DatabaseUser,
	"GRANT SELECT ON pubweblog TO "..DatabaseUser,
	"GRANT SELECT, UPDATE, INSERT, DELETE ON source TO "..DatabaseUser,
	"GRANT SELECT ON usagestat TO "..DatabaseUser,
	"GRANT SELECT, UPDATE, INSERT, DELETE ON watchlist TO "..DatabaseUser,
Ted Trask's avatar
Ted Trask committed
50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65
}

-- ################################################################################
-- DATABASE FUNCTIONS

local function assert (v, m)
	if not v then
		m = m or "Assertion failed!"
		error(m, 0)
	end
	return v, m
end

-- Escape special characters in sql statements
local escape = function(sql)
	sql = sql or ""
66 67
	sql = string.gsub(sql, "'", "''")
	return string.gsub(sql, "\\", "\\\\")
Ted Trask's avatar
Ted Trask committed
68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
end

-- List the postgres databases on this system
local listdatabases = function()
	local dbs = {}
	local cmd = path.."psql -U postgres -tl 2>&1"
	local f = io.popen(cmd)
	local result = f:read("*a") or ""
	f:close()
	for line in string.gmatch(result, "[^\n]+") do
		dbs[#dbs+1] = string.match(line, "^ (%S+)")
	end
	return dbs
end

-- Create the necessary database
local createdatabase = function(password)
	local result = {}

	-- First, create the users
	local cmd = path..'psql -U postgres -c "CREATE USER '..DatabaseOwner..' WITH PASSWORD \''..password..'\'" 2>&1'
	local f = io.popen(cmd)
	table.insert(result, f:read("*a"))
	f:close()
	cmd = path..'psql -U postgres -c "CREATE USER '..DatabaseUser..'" 2>&1'
	f = io.popen(cmd)
	table.insert(result, f:read("*a"))
	f:close()
Timo Teräs's avatar
Timo Teräs committed
96

Ted Trask's avatar
Ted Trask committed
97 98 99 100 101
	-- Create the database
	cmd = path..'psql -U postgres -c "CREATE DATABASE '..DatabaseName..' WITH OWNER '..DatabaseOwner..'" 2>&1'
	f = io.popen(cmd)
	table.insert(result, f:read("*a"))
	f:close()
Timo Teräs's avatar
Timo Teräs committed
102

Ted Trask's avatar
Ted Trask committed
103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121
	return table.concat(result, "\n")
end

-- Delete the database and roles
local deletedatabase = function()
	local result = {}

	local cmd = path..'psql -U postgres -c "DROP DATABASE '..DatabaseName..'" 2>&1'
	local f = io.popen(cmd)
	table.insert(result, f:read("*a"))
	f:close()
	cmd = path..'psql -U postgres -c "DROP ROLE '..DatabaseUser..'" 2>&1'
	f = io.popen(cmd)
	table.insert(result, f:read("*a"))
	f:close()
	cmd = path..'psql -U postgres -c "DROP ROLE '..DatabaseOwner..'" 2>&1'
	f = io.popen(cmd)
	table.insert(result, f:read("*a"))
	f:close()
Timo Teräs's avatar
Timo Teräs committed
122

Ted Trask's avatar
Ted Trask committed
123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162
	return table.concat(result, "\n")
end

-- Run an SQL script
local runSQLscript = function(filename)
	-- Create the database
	local cmd = path..'psql -U postgres -f "'..filename..'" '..DatabaseName..' 2>&1'
	local f = io.popen(cmd)
	local result = f:read("*a") or ""
	f:close()
	-- Create the tables
	print (result)
	return result
end

-- Create the database and tables
-- pg_dump -U postgres -c webproxylog > makeweblog.postgres
--runSQLscript("/root/work/weblog/makeweblog.postgres")

local databaseconnect = function(username, password)
	if not con then
		-- create environment object
		env = assert (luasql.postgres())
		-- connect to data source
		con = assert (env:connect(DatabaseName, username, password))
	end
end

local databasedisconnect = function()
	if env then
		env:close()
		env = nil
	end
	if con then
		con:close()
		con = nil
	end
end

local logme = function(message)
163
	local sql = string.format("INSERT INTO dbhistlog VALUES ('now', '%s')", escape(message))
Ted Trask's avatar
Ted Trask committed
164 165 166 167 168 169
	local res = assert (con:execute(sql))
end

local listhistorylogentries = function()
	local entries = {}
	-- retrieve a cursor
Timo Teräs's avatar
Timo Teräs committed
170
	cur = assert (con:execute"SELECT logdatetime, msgtext from dbhistlog ORDER BY logdatetime")
Ted Trask's avatar
Ted Trask committed
171 172 173 174 175 176 177 178 179 180
	row = cur:fetch ({}, "a")
	while row do
		entries[#entries+1] = {logdatetime = row.logdatetime, msgtext = row.msgtext}
		row = cur:fetch (row, "a")
	end
	-- close everything
	cur:close()
	return entries
end

181 182
local importsquidlog = function(entry, sourcename)
	if entry then
Ted Trask's avatar
Ted Trask committed
183 184 185 186 187 188 189
		local sql = string.format("INSERT INTO weblog VALUES ('%s', '%s', '%s', '%s', '%s', '%s')",
			escape(sourcename), escape(entry.clientip), escape(entry.clientuserid:lower()),
			escape(entry.logdatetime), escape(entry.URL), escape(entry.bytes))
		local res = assert (con:execute(sql))
	end
end

190 191
local importdglog = function(entry, sourcename)
	if entry then
192 193 194
		local sql = string.format("INSERT INTO blocklog VALUES ('%s', '0.0.0.0', '%s', '%s', '%s', '%s', '%s', '%s', '%s')",
			escape(sourcename), escape(entry.clientuserid:lower()), escape(entry.logdatetime), escape(entry.URL),
			escape(entry.bytes), escape(entry.reason), escape(entry.score or "0"), escape(entry.shortreason))
Ted Trask's avatar
Ted Trask committed
195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278
		local res = assert (con:execute(sql))
	end
end

local listsourceentries = function(sourcename)
	local sources = {}
	-- retrieve a cursor
	local sql = "SELECT sourcename, method, userid, passwd, source, tzislocal, enabled FROM source"
	if sourcename then
		sql = sql .. " WHERE sourcename='" .. escape(sourcename) .. "'"
	end
	sql = sql .. " ORDER BY sourcename"
	cur = assert (con:execute(sql))
	row = cur:fetch ({}, "a")
	while row do
		row.tzislocal = (row.tzislocal == "t")
		row.enabled = (row.enabled == "t")
		sources[#sources+1] = row
		row = cur:fetch ({}, "a")
	end
	cur:close()
	return sources
end

local importsourceentry = function(source)
	local sql = string.format("INSERT INTO source VALUES ('%s', '%s', '%s', '%s', '%s', '%s', '%s')",
		escape(source.sourcename), escape(source.method), escape(source.userid), escape(source.passwd),
		escape(source.source), escape(tostring(source.tzislocal):upper()), escape(tostring(source.enabled):upper()))
	local res = assert (con:execute(sql))
	return res
end

local updatesourceentry = function(source)
	local sql = string.format("UPDATE source SET method='%s', userid='%s', passwd='%s', source='%s', tzislocal='%s', enabled='%s' WHERE sourcename='%s'",
		escape(source.method), escape(source.userid), escape(source.passwd), escape(source.source),
		escape(tostring(source.tzislocal):upper()), escape(tostring(source.enabled):upper()),
		escape(source.sourcename))
	local res = assert (con:execute(sql))
	return res
end

local deletesourceentry = function(sourcename)
	local sql = string.format("DELETE FROM source WHERE sourcename='%s'", escape(sourcename))
	local res = assert (con:execute(sql))
	return res
end

-- Add blocked users (from blocklog) to the watchlist, removing old entries if updated.
local addtowatchlist = function()
	local watchdays = config.watchdays or 14
	local sql = "insert into watchlist select clientuserid, " ..
		"(max(logdatetime) + INTERVAL '"..watchdays.." days') as expiredatetime " ..
		"from blocklog group by clientuserid"
	local res1 = assert (con:execute(sql))
	sql = "delete from watchlist where exists " ..
		"(select * from watchlist w where w.clientuserid = watchlist.clientuserid " ..
		"and w.expiredatetime > watchlist.expiredatetime)"
	local res2 = assert (con:execute(sql))
	logme("There are now " .. (res1-res2) .. " new names in the watchlist")
end

-- Generate usage statistics from weblog and blocklog
local updateusagestats = function()
	-- update the usagestat table from weblog
	-- (will result in multiple rows where logs rotated on partial hours)
	local sql = "insert into usagestat select weblog.sourcename, " ..
		"date_trunc('hour', weblog.logdatetime) as date, " ..
		"count(*), 0 from weblog group by sourcename,date"
	local res = assert (con:execute(sql))

	-- update the usagestat table from blocklog
	-- (will result in multiple rows where logs rotated on partial hours)
	-- (also, numrequest and numblock end up in different rows)
	sql= "insert into usagestat select blocklog.sourcename, " ..
		"date_trunc('hour', blocklog.logdatetime) as date, " ..
		"0, count(*) from blocklog group by sourcename,date"
	res = assert (con:execute(sql))
end

-- Process weblog and blocklog, combine into pubweblog and pubblocklog
-- empties weblog and blocklog
local importpubweblog = function()
	-- Merge equal blocks into weblog
	sql = "update weblog set reason=blocklog.reason, " ..
279
		"score=blocklog.score, shortreason=blocklog.shortreason from blocklog where " ..
Ted Trask's avatar
Ted Trask committed
280 281 282 283 284 285 286
		"blocklog.logdatetime >= date_trunc('second', weblog.logdatetime) and " ..
		"blocklog.logdatetime < (weblog.logdatetime + INTERVAL '45' second) and " ..
		"blocklog.sourcename=weblog.sourcename and "..
		"blocklog.clientuserid=weblog.clientuserid and "..
		"weblog.uri like (blocklog.uri || '%')"
	res = assert (con:execute(sql))
	logme("importpubweblog merged " .. res .. " blocks with matching timestamps.")
Timo Teräs's avatar
Timo Teräs committed
287

Ted Trask's avatar
Ted Trask committed
288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309
	sql = "insert into weblog select * from blocklog where " ..
		" NOT EXISTS (select * from weblog where " ..
		"blocklog.logdatetime >= date_trunc('second', weblog.logdatetime) and " ..
		"blocklog.logdatetime < (weblog.logdatetime + INTERVAL '45' second) and " ..
		"blocklog.sourcename=weblog.sourcename and "..
		"blocklog.clientuserid=weblog.clientuserid and "..
		"weblog.uri like (blocklog.uri || '%') )"
	res = assert (con:execute(sql))
	if ( res > 0 ) then
		logme("NOTE: importpubweblog found and merged " .. res .. " unmatched blocks (source IP will not match)")
	end

	-- Move weblog to pubweblog
	sql= "insert into pubweblog select * from weblog"
	res = assert (con:execute(sql))
	logme("importpubweblog imported " .. res .. " new rows into database.")

	-- update pubblocklog table
	sql = "insert into pubblocklog select * from weblog where reason is not null"
	res = assert (con:execute(sql))
	logme("importpubweblog imported " .. res .. " new blocks into block table.")

Timo Teräs's avatar
Timo Teräs committed
310
	-- grab the bypass info
Ted Trask's avatar
Ted Trask committed
311 312 313 314
	sql = "insert into pubblocklog select * from weblog where uri like '%?GBYPASS%'"
	res = assert (con:execute(sql))
	logme("importpubweblog imported " .. res .. " dg bybass events into block table.")

Timo Teräs's avatar
Timo Teräs committed
315
	-- Truncate the staging tables
Ted Trask's avatar
Ted Trask committed
316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363
	assert (con:execute("truncate weblog"))
	assert (con:execute("truncate blocklog"))
	logme("truncated staging tables")
end

-- Delete people from the watchlist when they have expired out
local groomwatchlist = function()
	local res = assert (con:execute("delete from watchlist where expiredatetime < now()"))
	logme("removed " .. res .. " names from watchlist")
end

-- Delete useage stats from more than a year ago
local groomusagestat = function()
	local res = assert (con:execute("delete from usagestat where " ..
		"date < (now() - INTERVAL '1 year')"))
	logme("removed " .. res .. " old usage status lines")
end

-- Delete history log information from more than a month ago
local groomdbhistlog = function()
	local res = assert (con:execute("delete from dbhistlog where " ..
		"logdatetime < (now() - INTERVAL '1 month')"))
	logme("removed " .. res .. " old dbhistlog lines")
end

-- Delete old junk from pub tables
local groompublogs = function()
	local purgedays = config.purgedays or 30
	local watchdays = config.watchdays or 14
	local historydays = config.historydays or 14
	local now = os.time()

	local temp = os.date("%Y-%m-%d %H:%M:%S", now - purgedays*86400)
	logme("Purgedate is " .. temp .. ". Nothing will exist beyond purgedate.")

	-- purge anything older than purgedate
	sql = "delete from pubweblog where logdatetime < '" .. temp .."'"
	res = assert (con:execute(sql))
	logme("Purged " .. res .. " old records from pubweblog")

	sql = "delete from pubblocklog where logdatetime < '" .. temp .. "'"
	res = assert (con:execute(sql))
	logme("Purged " .. res .. " old records from pubblocklog")

	-- purge anything older than startddate+historydays+watchdays
	local temp = config.auditstart
	if not temp or temp == "" then temp = os.date("%Y-%m-%d %H:%M:%S") end
	logme("Purge date since last audit is " .. tostring(watchdays+historydays) .. " days before " .. temp .. ".")
Timo Teräs's avatar
Timo Teräs committed
364

Ted Trask's avatar
Ted Trask committed
365 366 367 368 369 370 371 372 373 374
	sql = "delete from pubweblog where logdatetime < (timestamp '"..temp.."' - INTERVAL '"..tostring(watchdays+historydays).." days')"
	res = assert (con:execute(sql))
        logme("removed " .. res .. " old pubweblog records that are older than history+watchdays")

	sql = "delete from pubblocklog where logdatetime < (timestamp '"..temp.."' - INTERVAL '"..tostring(watchdays+historydays).." days')"
	res = assert (con:execute(sql))
        logme("removed " .. res .. " old pubblocklog records that are older than history+watchdays")

	-- purge good people after historydays
	logme("The delete date for non-watchlist users is " .. tostring(historydays) .. " days before " .. temp .. ".")
Timo Teräs's avatar
Timo Teräs committed
375

Ted Trask's avatar
Ted Trask committed
376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437
	sql = "delete from pubweblog where logdatetime < (timestamp '".. temp.."' - INTERVAL '"..tostring(historydays).." days') and clientuserid NOT IN (select clientuserid from watchlist)"
	res = assert (con:execute(sql))
	logme("removed " .. res .. " records for users not on the watchlist.")
end

local listwatchlistentries = function()
	local entries = {}
	-- retrieve a cursor
	cur = assert (con:execute("SELECT * from watchlist ORDER BY clientuserid"))
	row = cur:fetch ({}, "a")
	while row do
		entries[#entries+1] = {clientuserid = row.clientuserid, expiredatetime= row.expiredatetime}
		row = cur:fetch (row, "a")
	end
	-- close everything
	cur:close()
	return entries
end

local importwatchlistentry = function(clientuserid, expiredatetime)
	local sql = string.format("INSERT INTO watchlist VALUES ('%s', '%s')",
		escape(clientuserid), escape(expiredatetime))
	local res = assert (con:execute(sql))
	return res
end

local deletewatchlistentry = function(clientuserid)
	local sql = string.format("DELETE FROM watchlist WHERE clientuserid='%s'", escape(clientuserid))
	local res = assert (con:execute(sql))
	return res
end

local generatewhereclause = function(clientuserid, starttime, endtime, clientip)
	local sql = ""
	local where = {}
	if clientuserid and clientuserid ~= "" then
		where[#where+1] = "clientuserid = '"..escape(clientuserid).."'"
	end
	if starttime and starttime ~= "" then
		where[#where+1] = "logdatetime >= '"..escape(starttime).."'"
	end
	if endtime and endtime ~= "" then
		where[#where+1] = "logdatetime <= '"..escape(endtime).."'"
	end
	if clientip and clientip ~= "" then
		where[#where+1] = "clientip = '"..escape(clientip).."'"
	end
	if #where > 0 then
		sql = " WHERE " .. table.concat(where, " AND ")
	end
	return sql
end

local listlogentries = function(logname, clientuserid, starttime, endtime, clientip)
	local entries = {}
	-- retrieve a cursor
	local sql = "SELECT * from "..logname
	sql = sql .. generatewhereclause(clientuserid, starttime, endtime, clientip)
	sql = sql .. " ORDER BY logdatetime"
	cur = assert (con:execute(sql))
	row = cur:fetch ({}, "a")
	while row do
438
		local uridescr = row.uri
Ted Trask's avatar
Ted Trask committed
439 440
		if config.shorturi == "true" then
			shorturi=string.gsub(row.uri, "[;?].*", "...")
441
		end
Ted Trask's avatar
Ted Trask committed
442
		entries[#entries+1] = {sourcename=row.sourcename, clientip=row.clientip, clientuserid=row.clientuserid, logdatetime=row.logdatetime, uri=row.uri, shorturi=shorturi, bytes=row.bytes, reason=row.reason, score=row.score, shortreason=row.shortreason}
Ted Trask's avatar
Ted Trask committed
443 444 445 446 447 448 449 450 451 452 453 454 455 456 457
		row = cur:fetch (row, "a")
	end
	-- close everything
	cur:close()
	return entries
end

local listpubblocklogentries = function(...)
	return listlogentries("pubblocklog", ...)
end

local listpubweblogentries = function(...)
	return listlogentries("pubweblog", ...)
end

458 459
local grouppubblocklogentries = function(starttime, endtime, groupby)
	groupby = groupby or "clientuserid"
Ted Trask's avatar
Ted Trask committed
460 461
	local entries = {}
	-- retrieve a cursor
462
	local sql = "SELECT "..groupby..", count(*) AS numblock, max(score) AS maxscore FROM pubblocklog"
Ted Trask's avatar
Ted Trask committed
463
	sql = sql .. generatewhereclause(nil, starttime, endtime)
464
	sql = sql .. " GROUP BY "..groupby.. " ORDER BY numblock DESC"
Ted Trask's avatar
Ted Trask committed
465 466 467
	cur = assert (con:execute(sql))
	row = cur:fetch ({}, "a")
	while row do
468 469
		entries[#entries+1] = {numblock=row.numblock, maxscore=row.maxscore}
		entries[#entries][groupby] = row[groupby]
Ted Trask's avatar
Ted Trask committed
470 471 472 473 474 475 476 477 478 479 480
		row = cur:fetch (row, "a")
	end
	-- close everything
	cur:close()
	return entries
end

local listusagestats = function()
	local entries = {}
	-- retrieve a cursor
	local sql = "SELECT sourcename, date, sum(numrequest) AS numrequest, sum(numblock) AS numblock " ..
481
		"FROM usagestat GROUP BY sourcename, date ORDER BY date, sourcename"
Ted Trask's avatar
Ted Trask committed
482 483 484 485 486 487 488 489 490 491 492
	cur = assert (con:execute(sql))
	row = cur:fetch ({}, "a")
	while row do
		entries[#entries+1] = {sourcename=row.sourcename, date=row.date, numrequest=row.numrequest, numblock=row.numblock}
		row = cur:fetch (row, "a")
	end
	-- close everything
	cur:close()
	return entries
end

493 494 495 496 497 498 499 500 501 502 503 504 505 506
local testdatabaseentry = function(datatype, value)
	local success = true
	local errtxt
	local sql = "CREATE TEMP TABLE testing ( test "..escape(datatype).." DEFAULT '"..escape(value).."' ) ON COMMIT DROP"
	local res, err = pcall(function()
		assert (con:execute(sql))
	end)
	if not res then
		success = false
		errtxt = string.gsub(err or "", "\n.*", "")
	end
	return success, errtxt
end

507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533
local convertdatabaseentry = function(datatype, value)
	local success = true
	local errtxt
	local result = value
	local res, err = pcall(function()
		local sql = "CREATE TEMP TABLE testing ( test "..escape(datatype).." )"
		assert (con:execute(sql))
		sql = "INSERT INTO testing VALUES ('"..value.."')"
		assert (con:execute(sql))
		sql = "SELECT * FROM testing"
		local cur = assert (con:execute(sql))
		local row = cur:fetch ({}, "a")
		if row then
			result = row.test
		end
	end)
	if not res then
		success = false
		errtxt = string.gsub(err or "", "\n.*", "")
	end
	local res, err = pcall(function()
		local sql = "DROP TABLE testing"
		assert (con:execute(sql))
	end)
	return success, errtxt, result
end

Ted Trask's avatar
Ted Trask committed
534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554
local printtableentries = function(tablename)
	-- retrieve a cursor
	local count = 0
	cur = assert (con:execute("SELECT * from "..tablename))
	-- print all rows, the rows will be indexed by field names
	row = cur:fetch ({}, "a")
	while row do
		count = count + 1
		for name,val in pairs(row) do
			APP.logevent(name.." = "..val..", ")
		end
		row = cur:fetch (row, "a")
	end
	-- close everything
	cur:close()
	APP.logevent("Table "..tablename.." contains "..count.." rows")
end

-- ################################################################################
-- LOG FILE FUNCTIONS

555
local function parsesquidlog(line)
556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574
	-- Format of squid log (space separated):
	-- time elapsed remotehost code/status bytes method URL rfc931 peerstatus/peerhost
	local words = {}
	for word in string.gmatch(line, "%S+") do
		words[#words+1] = word
	end
	local logentry = {logdatetime=words[1],
		elapsed=words[2],
		clientip=words[3],
		code=string.match(words[4], "^[^/]*"),
		status=string.match(words[4], "[^/]*$"),
		bytes=words[5],
		method=words[6],
		URL=words[7],
		clientuserid=words[8],
		peerstatus=string.match(words[9], "^[^/]*"),
		peerhost=string.match(words[9], "[^/]*$")}

	logentry.logdatetime = os.date("%Y-%m-%d %H:%M:%S", logentry.logdatetime)..string.match(logentry.logdatetime, "%..*")
575 576 577
	-- Don't care about local requests (from DG)
	if logentry.clientip ~= "127.0.0.1" then
		return logentry
Ted Trask's avatar
Ted Trask committed
578
	end
579
	return nil
Ted Trask's avatar
Ted Trask committed
580 581
end

582
local function parsedglog(line)
583
	local words = format.string_to_table(line, "\t")
584
	local logentry = { logdatetime=words[1], clientuserid=words[2], clientip=words[3],
585 586
		URL=words[4], reason=words[5], method=words[6], bytes=words[7],
		shortreason=words[9]}
587 588 589
	if logentry.reason ~= "" then
		if logentry.shortreason == "" then
			logentry.shortreason = logentry.reason
Ted Trask's avatar
Ted Trask committed
590
		end
591 592 593
		logentry.score = string.match(logentry.reason, "^.*: ([0-9]+) ")
		logentry.logdatetime = string.gsub(logentry.logdatetime, "%.", "-")
		return logentry
Ted Trask's avatar
Ted Trask committed
594
	end
595
	return nil
Ted Trask's avatar
Ted Trask committed
596 597 598 599 600 601 602 603 604 605 606
end

-- ################################################################################
-- DOWNLOAD FILE FUNCTIONS

-- must do apk_add wget first

local connecttosource = function(source, cookiesfile)
	local success = false
	logme("Connecting to source "..source.sourcename)
	if source.method == "http" or source.method == "https" then
607 608
		fs.write_file(cookiesfile, "password="..source.passwd.."&userid="..source.userid.."&Logon=Logon")
		local cmd = "wget -O - --no-check-certificate --save-cookies "..cookiesfile.." --keep-session-cookies --post-file '"..cookiesfile.."' '"..source.method.."://"..format.escapespecialcharacters(source.source).."/cgi-bin/acf/acf-util/logon/logon' 2>/dev/null"
Ted Trask's avatar
Ted Trask committed
609 610 611 612 613 614 615 616 617 618
		local f = io.popen(cmd)
		local resultpage = f:read("*a")
		f:close()
		if resultpage == "" then
			logme("Failed to connect to "..source.sourcename)
		elseif string.find(resultpage, "Log in") then
			logme("Failed to log in to "..source.sourcename)
		else
			success = true
		end
619 620
	elseif source.method == "local" then
		success = true
Ted Trask's avatar
Ted Trask committed
621 622 623 624 625 626 627 628 629 630 631 632 633 634
	end
	return success
end

local getlogcandidates = function(source, cookiesfile)
	local candidates = {}
	if source.method == "http" or source.method == "https" then
		local cmd = "wget -O - --no-check-certificate --load-cookies "..cookiesfile.." '"..source.method.."://"..source.source.."/cgi-bin/acf/alpine-baselayout/logfiles/status' 2>/dev/null"
		local f = io.popen(cmd)
		local resultpage = f:read("*a")
		f:close()
		for file in string.gmatch(resultpage, "download%?name=([^\"]+)") do
			candidates[#candidates+1] = file
		end
635 636
	elseif source.method == "local" then
		candidates = fs.find_files_as_array(nil, source.source)
Ted Trask's avatar
Ted Trask committed
637 638 639 640
	end
	return candidates
end

641 642
local openlogfile = function(source, cookiesfile, logfile)
	local handle
Ted Trask's avatar
Ted Trask committed
643 644
	if source.method == "http" or source.method == "https" then
		local cmd = "wget -O - --no-check-certificate --load-cookies "..cookiesfile.." --post-data 'name="..logfile.."' '"..source.method.."://"..source.source.."/cgi-bin/acf/alpine-baselayout/logfiles/download' 2>/dev/null"
645 646 647
		if string.find(logfile, "%.gz$") then
			cmd = cmd.." | gunzip -c"
		end
648
		handle = io.popen(cmd)
649
	elseif source.method == "local" then
650 651
		if string.find(logfile, "%.gz$") then
			local cmd = "gunzip -c "..logfile
652
			handle = io.popen(cmd)
653
		else
654
			handle = io.open(logfile)
655
		end
Ted Trask's avatar
Ted Trask committed
656
	end
657
	return handle
Ted Trask's avatar
Ted Trask committed
658 659 660 661 662 663 664
end

local deletelogfile = function(source, cookiesfile, logfile)
	if source.method == "http" or source.method == "https" then
		local cmd = "wget -O - --no-check-certificate --load-cookies "..cookiesfile.." --post-data 'name="..logfile.."' '"..source.method.."://"..source.source.."/cgi-bin/acf/alpine-baselayout/logfiles/delete' 2>/dev/null"
		local f = io.popen(cmd)
		f:close()
665 666
	elseif source.method == "local" then
		os.remove(logfile)
Ted Trask's avatar
Ted Trask committed
667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716
	end
end

-- ################################################################################
-- PUBLIC FUNCTIONS

function getsourcelist()
	local retval = cfe({ type="list", value={}, label="Weblog Source List" })
	local res, err = pcall(function()
		databaseconnect(DatabaseUser)
		retval.value = listsourceentries()
		databasedisconnect()
	end)
	if not res then
		retval.errtxt = err
	end

	return retval
end

function getsource(sourcename)
	local sourcedata = getnewsource()
	sourcedata.value.sourcename.value = sourcename
	sourcedata.value.sourcename.errtxt = "Source name does not exist"

	local res, err = pcall(function()
		databaseconnect(DatabaseUser)
		local sourcelist = listsourceentries()
		databasedisconnect()
		for i,source in ipairs(sourcelist) do
			if source.sourcename == sourcename then
				sourcedata.value.sourcename.errtxt = nil
				for name,val in pairs(source) do
					if sourcedata.value[name] then
						sourcedata.value[name].value = val
					end
				end
				break
			end
		end
	end)
	if not res then
		sourcedata.errtxt = err
	end

	return sourcedata
end

local validatesource = function(sourcedata)
	local success = modelfunctions.validateselect(sourcedata.value.method)
717 718 719 720 721 722
	local test = {"sourcename", "source"}
	if sourcedata.value.method.value ~= "local" then
		test[#test+1] = "userid"
		test[#test+1] = "passwd"
	end
	for i,name in ipairs(test) do
Ted Trask's avatar
Ted Trask committed
723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757
		if sourcedata.value[name].value == "" then
			sourcedata.value[name].errtxt = "Cannot be empty"
			success = false
		end
	end

	return success
end

function updatesource(sourcedata)
	local success = validatesource(sourcedata)
	sourcedata.errtxt = "Failed to update source"
	if success then
		local source = {}
		for name,val in pairs(sourcedata.value) do
			source[name] = val.value
		end

		local res, err = pcall(function()
			databaseconnect(DatabaseUser)
			sourcedata.descr = updatesourceentry(source)
			databasedisconnect()
			sourcedata.errtxt = nil
		end)
		if not res and err then
			sourcedata.errtxt = sourcedata.errtxt .. "\n" .. err
		end
	end

	return sourcedata
end

function getnewsource()
	local source = {}
	source.sourcename = cfe({ label="Source Name" })
758
	source.method = cfe({ type="select", value="local", label="Method", option={"http", "https", "local"} })
Ted Trask's avatar
Ted Trask committed
759 760
	source.userid = cfe({ label="UserID" })
	source.passwd = cfe({ label="Password" })
761
	source.source = cfe({ value="/var/log", label="Source Location / Address" })
Ted Trask's avatar
Ted Trask committed
762 763 764 765 766 767 768 769 770 771 772 773 774
	source.tzislocal = cfe({ type="boolean", value=false, label="Using local timezone" })
	source.enabled = cfe({ type="boolean", value=false, label="Enabled" })
	return cfe({ type="group", value=source, label="Source" })
end

function createsource(sourcedata)
	local success = validatesource(sourcedata)
	sourcedata.errtxt = "Failed to create source"
	if success then
		local source = {}
		for name,val in pairs(sourcedata.value) do
			source[name] = val.value
		end
775 776
		-- remove spaces from sourcename
		source.sourcename = string.gsub(source.sourcename, "%s+$", "")
Ted Trask's avatar
Ted Trask committed
777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854

		local res, err = pcall(function()
			databaseconnect(DatabaseUser)
			sourcedata.descr = importsourceentry(source)
			databasedisconnect()
			sourcedata.errtxt = nil
		end)
		if not res and err then
			sourcedata.errtxt = sourcedata.errtxt .. "\n" .. err
		end
	else
	end

	return sourcedata
end

function deletesource(sourcename)
	local result = cfe({ errtxt="Failed to delete source", label="Delete source result" })
	local res, err = pcall(function()
		databaseconnect(DatabaseUser)
		local number = deletesourceentry(sourcename)
		databasedisconnect()
		if number > 0 then
			result.errtxt = nil
			result.value = "Source Deleted"
		end
	end)
	if not res and err then
		result.errtxt = result.errtxt .. "\n" .. err
	end
	return result
end

function testsource(sourcename)
	local result = cfe({ label="Test source result" })

	-- temporary override of logme function to capture messages to result.value
	result.value = {}
	local temp = logme
	logme = function(message) table.insert(result.value, message) end

	local cookiesfile = "/tmp/cookies-"..tostring(os.time())
	local res, err = pcall(function()
		databaseconnect(DatabaseUser)
		local sources = listsourceentries(sourcename)
		databasedisconnect()
		if #sources < 1 then
			result.errtxt = "Failed to find source"
		else
			local source = sources[1]
			-- run the test
			if connecttosource(source, cookiesfile) then
				local files = getlogcandidates(source, cookiesfile)
				if #files == 0 then
					logme("No log files found")
				else
					for i,file in ipairs(files) do
						logme("Found log file "..file)
					end
				end
			end
		end
	end)
	if not res then
		result.errtxt = "Failed to connect to source"
		if err then
			result.errtxt = result.errtxt .. "\n" .. err
		end
	end
	os.remove(cookiesfile)

	-- fix the result
	result.value = table.concat(result.value, "\n") or ""
	logme = temp

	return result
end

855 856
-- import either squid or dg log file.
-- delete logfile after
857
local function importlogfile(source, cookiesfile, file, parselog_func, importlog_func)
858 859
	logme("Processing " .. file )
	logme("Getting " .. file )
860 861 862 863 864 865 866
	local loghandle = openlogfile(source, cookiesfile, file)
	con:execute("START TRANSACTION")
	for line in loghandle:lines() do
		local logentry = parselog_func(line)
		importlog_func(logentry, source.sourcename)
	end
	con:execute("COMMIT")
867
	loghandle:close()
868 869 870 871
	logme("Deleting " .. file )
	deletelogfile(source, cookiesfile, file)
end

Ted Trask's avatar
Ted Trask committed
872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888
function importlogs()
	local result = cfe({ label="Weblog Import Logs Result" })
	local count = 0

	local res, err = pcall(function()
		databaseconnect(DatabaseOwner, config.password)
		-- Determine sources
		local sources = listsourceentries(sourcename)

		-- Download, parse, and import the logs
		for i,source in ipairs(sources) do
			if source.enabled then
				logme("Getting logs from source " .. source.sourcename)
				local cookiesfile = "/tmp/cookies-"..tostring(os.time())
				if connecttosource(source, cookiesfile) then
					local files = getlogcandidates(source, cookiesfile)
					for j,file in ipairs(files) do
889
						if string.match(file, "dansguardian/access%.log[%.%-]") then
Ted Trask's avatar
Ted Trask committed
890
							count = count + 1
891
							importlogfile(source, cookiesfile, file, parsedglog, importdglog)
892
						elseif string.match(file, "squid/access%.log[%.%-]") then
Ted Trask's avatar
Ted Trask committed
893
							count = count + 1
894
							importlogfile(source, cookiesfile, file, parsesquidlog, importsquidlog)
Ted Trask's avatar
Ted Trask committed
895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963
						end
					end
				end
				os.remove(cookiesfile)
			end
		end

		-- Process the logs
		addtowatchlist()
		updateusagestats()
		importpubweblog()
		-- Purge old database entries
		groomwatchlist()
		groomusagestat()
		groomdbhistlog()
		groompublogs()

		databasedisconnect()
	end)
	if not res then
		result.errtxt = "Import Logs Failure"
		if err then
			pcall(function() logme(err) end)
			result.errtxt = result.errtxt .. "\n" .. err
		end
	end

	result.value = "Imported "..tostring(count).." logs"

	return result
end

function getactivitylog()
	local retval = cfe({ type="list", value={}, label="Weblog Activity Log" })
	local res, err = pcall(function()
		databaseconnect(DatabaseUser)
		retval.value = listhistorylogentries() or {}
		databasedisconnect()
	end)
	if not res then
		retval.errtxt = err
	end

	return retval
end

function getwatchlist()
	local retval = cfe({ type="list", value={}, label="Weblog Watchlist" })
	local res, err = pcall(function()
		databaseconnect(DatabaseUser)
		retval.value = listwatchlistentries() or {}
		databasedisconnect()
	end)
	if not res then
		retval.errtxt = err
	end

	return retval
end

function getnewwatchlistentry()
	local watch = {}
	watch.clientuserid = cfe({ label="User ID" })
	local watchdays = config.watchdays or 14
	watch.expiredatetime = cfe({ value=os.date("%Y-%m-%d %H:%M:%S", os.time() + watchdays*86400), label="Expiration Date" })

	return cfe({ type="group", value=watch, label="Watchlist Entry" })
end

964
local function validatewatchlistentry(watch)
Ted Trask's avatar
Ted Trask committed
965 966 967 968 969 970 971
	local success = true
	for i,name in ipairs({"clientuserid", "expiredatetime"}) do
		if watch.value[name].value == "" then
			watch.value[name].errtxt = "Cannot be empty"
			success = false
		end
	end
972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988
	if not watch.value.expiredatetime.errtxt then
		local res, err = pcall(function()
			databaseconnect(DatabaseUser)
			local s
			s,watch.value.expiredatetime.errtxt = testdatabaseentry("TIMESTAMP", watch.value.expiredatetime.value)
			databasedisconnect()
			success = success and s
		end)
		if not res and err then
			watch.value.expiredatetime.errtxt = err
			success = false
		end
	end
	return success
end

function createwatchlistentry(watch)
Ted Trask's avatar
Ted Trask committed
989 990
	watch.value.clientuserid.value = watch.value.clientuserid.value:lower()
	watch.errtxt = "Failed to create watchlist entry"
991 992 993 994 995 996 997 998 999 1000 1001
	local success = validatewatchlistentry(watch)
	if success then
		local res, err = pcall(function()
			databaseconnect(DatabaseUser)
			local watchlist = listwatchlistentries() or {}
			for i,w in ipairs(watchlist) do
				if w.clientuserid == watch.value.clientuserid.value then
					watch.value.clientuserid.errtxt = "User ID already exists"
					success = false
					break
				end
Ted Trask's avatar
Ted Trask committed
1002
			end
1003 1004 1005 1006 1007
			if success then
				local count = importwatchlistentry(watch.value.clientuserid.value, watch.value.expiredatetime.value)
				if count > 0 then
					watch.errtxt = nil
				end
Ted Trask's avatar
Ted Trask committed
1008
			end
1009 1010 1011 1012
			databasedisconnect()
		end)
		if not res and err then
			watch.errtxt = watch.errtxt .. "\n" .. err
Ted Trask's avatar
Ted Trask committed
1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032
		end
	end

	return watch
end

function deletewatchlistent(clientuserid)
	local result = cfe({ errtxt="Failed to delete watchlist entry", label="Delete watchlist entry result" })
	local res, err = pcall(function()
		databaseconnect(DatabaseUser)
		local number = deletewatchlistentry(clientuserid)
		databasedisconnect()
		if number > 0 then
			result.value = "Watchlist entry deleted"
			result.errtxt = nil
		end
	end)
	if not res and err then
		result.errtxt = result.errtxt .. "\n" .. err
	end
Timo Teräs's avatar
Timo Teräs committed
1033

Ted Trask's avatar
Ted Trask committed
1034 1035 1036
	return result
end

1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050
local validateparameters = function(params)
	local success = true
	if params.clientip.value ~= "" and string.find(params.clientip.value, "[^%d%.]") then
		params.clientip.errtxt = "Invalid IP Address"
		success = false
	end
	if params.window.value ~= "" and not validator.is_integer(params.window.value) then
		params.window.errtxt = "Must be an integer"
		success = false
	end
	local res, err = pcall(function()
		databaseconnect(DatabaseUser)
		local s
		if params.starttime.value ~= "" then
1051
			s,params.starttime.errtxt,params.starttime.value = convertdatabaseentry("TIMESTAMP", params.starttime.value)
1052 1053 1054
			success = success and s
		end
		if params.endtime.value ~= "" then
1055
			s,params.endtime.errtxt,params.endtime.value = convertdatabaseentry("TIMESTAMP", params.endtime.value)
1056 1057 1058
			success = success and s
		end
		if params.focus.value ~= "" then
1059
			s,params.focus.errtxt,params.focus.value = convertdatabaseentry("TIMESTAMP", params.focus.value)
1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072
			success = success and s
		end
		databasedisconnect()
	end)
	if not res and err then
		params.starttime.errtxt = err
		params.endtime.errtxt = err
		params.focus.errtxt = err
		success = false
	end
	return success
end

Ted Trask's avatar
Ted Trask committed
1073 1074 1075 1076 1077 1078 1079
local handleparameters = function(clientuserid, starttime, endtime, clientip, focus)
	local result = {}
	result.clientuserid = cfe({ value=clientuserid or "", label="User ID" })
	result.starttime = cfe({ value=starttime or "", label="Start Time" })
	result.endtime = cfe({ value=endtime or "", label="End Time" })
	result.clientip = cfe({ value=clientip or "", label="Client IP" })
	result.window = cfe({ value=config.window or "5", label="Time Window" })
1080
	result.focus = cfe({ value=focus or "", label="Focus Time" })
Ted Trask's avatar
Ted Trask committed
1081 1082 1083 1084 1085 1086 1087 1088 1089 1090
	return result
end

function getweblog(clientuserid, starttime, endtime, clientip, focus)
	if (not starttime or starttime=="") and (not endtime or endtime=="") and config.auditstart~="" and config.auditend~="" then
		starttime = config.auditstart
		endtime = config.auditend
	end
	local result = handleparameters(clientuserid, starttime, endtime, clientip, focus)
	result.log = cfe({ type="list", value={}, label="Weblog Access Log" })
1091 1092 1093 1094 1095 1096 1097 1098 1099 1100
	local success = validateparameters(result)
	if success then
		local res, err = pcall(function()
			databaseconnect(DatabaseUser)
			result.log.value = listpubweblogentries(clientuserid, starttime, endtime, clientip) or {}
			databasedisconnect()
		end)
	else
		err = "Invalid search parameters"
	end
Ted Trask's avatar
Ted Trask committed
1101 1102 1103 1104 1105 1106 1107 1108 1109 1110
	return cfe({ type="group", value=result, errtxt=err, label="Weblog Access Log" })
end

function getblocklog(clientuserid, starttime, endtime, clientip, focus)
	if (not starttime or starttime=="") and (not endtime or endtime=="") and config.auditstart~="" and config.auditend~="" then
		starttime = config.auditstart
		endtime = config.auditend
	end
	local result = handleparameters(clientuserid, starttime, endtime, clientip, focus)
	result.log = cfe({ type="list", value={}, label="Weblog Block Log" })
1111 1112 1113 1114 1115 1116 1117 1118 1119 1120
	local success = validateparameters(result)
	if success then
		local res, err = pcall(function()
			databaseconnect(DatabaseUser)
			result.log.value = listpubblocklogentries(clientuserid, starttime, endtime, clientip) or {}
			databasedisconnect()
		end)
	else
		err = "Invalid search parameters"
	end
Ted Trask's avatar
Ted Trask committed
1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141
	return cfe({ type="group", value=result, errtxt=err, label="Weblog Block Log" })
end

function getusagestats()
	local retval = cfe({ type="list", value={}, label="Weblog Usage Stats" })
	local res, err = pcall(function()
		databaseconnect(DatabaseUser)
		retval.value = listusagestats() or {}
		databasedisconnect()
	end)
	if not res then
		retval.errtxt = err
	end

	return retval
end

function getauditstats()
	local result = {}
	result.auditstart = cfe({ value=config.auditstart or "", label="Audit Start Time" })
	result.auditend = cfe({ value=config.auditend or "", label="Audit End Time" })
1142
	result.groupby = cfe({ value=config.groupby or "clientuserid", label="Group By" })
Ted Trask's avatar
Ted Trask committed
1143 1144 1145 1146
	result.stats = cfe({ type="list", value={}, label="Audit Block Statistics" })
	local res, err = pcall(function()
		if config.auditstart ~= "" and config.auditend ~= "" then
			databaseconnect(DatabaseUser)
1147
			result.stats.value = grouppubblocklogentries(config.auditstart, config.auditend, result.groupby.value) or {}
Ted Trask's avatar
Ted Trask committed
1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175
			databasedisconnect()
		end
	end)
	return cfe({ type="group", value=result, errtxt=err, label="Weblog Audit Statistics" })
end

function completeaudit(timestamp)
	local conf = getconfig()
	conf.value.auditstart.value = conf.value.auditend.value
	local now = os.time()
	conf.value.auditend.value = timestamp or os.date("%Y-%m-%d %H:%M:%S", now - now%86400 - 86400)
	conf = updateconfig(conf)
	local retval = cfe({ value="Audit completed", label="Complete Audit Result" })
	if conf.errtxt then
		retval.value = ""
		retval.errtxt = "Failed to complete audit\n"..conf.errtxt.."\n"..conf.value.auditend.errtxt
	end
	return retval
end

function getconfig()
	local result = {}
	result.auditstart = cfe({ value=config.auditstart or "", label="Audit Start Time" })
	result.auditend = cfe({ value=config.auditend or "", label="Audit End Time" })
	result.window = cfe({ value=config.window or "5", label="Time Window", descr="Minutes of activity to display before and after selected block" })
	result.watchdays = cfe({ value=config.watchdays or "14", label="Days to Watch", descr="Number of additional days to keep history for users in watchlist" })
	result.purgedays = cfe({ value=config.purgedays or "30", label="Days before Purge", descr="Days to keep history, regardless of audit" })
	result.historydays = cfe({ value=config.historydays or "14", label="Days to keep History", descr="Days beyond Audit Start Time to keep complete log history" })
1176
	result.groupby = cfe({ type="select", value=config.groupby or "clientuserid", label="Group results by", option={"clientuserid", "clientip"} })
Ted Trask's avatar
Ted Trask committed
1177 1178
	result.shorturi = cfe({ type="boolean", value=false, label="Truncate URLs", descr="You can limit the length of displayed URLs by enabling this option"})
	if config.shorturi == "true" then result.shorturi.value = true end
Ted Trask's avatar
Ted Trask committed
1179 1180 1181
	return cfe({ type="group", value=result, label="Weblog Config" })
end

1182
local function validateconfig(newconfig)
1183
	local success = modelfunctions.validateselect(newconfig.value.groupby)
Ted Trask's avatar
Ted Trask committed
1184 1185 1186 1187 1188 1189
	if newconfig.value.window.value == "" then
		newconfig.value.window.errtxt = "Cannot be blank"
		success = false
	elseif not validator.is_integer(newconfig.value.window.value) then
		newconfig.value.window.errtxt = "Must be a number"
		success = false
Timo Teräs's avatar
Timo Teräs committed
1190
	end
Ted Trask's avatar
Ted Trask committed
1191 1192 1193
	if not validator.is_integer(newconfig.value.watchdays.value) then
		newconfig.value.watchdays.errtxt = "Must be a number"
		success = false
Timo Teräs's avatar
Timo Teräs committed
1194
	end
Ted Trask's avatar
Ted Trask committed
1195 1196 1197
	if not validator.is_integer(newconfig.value.purgedays.value) then
		newconfig.value.purgedays.errtxt = "Must be a number"
		success = false
Timo Teräs's avatar
Timo Teräs committed
1198
	end
Ted Trask's avatar
Ted Trask committed
1199 1200 1201
	if not validator.is_integer(newconfig.value.historydays.value) then
		newconfig.value.historydays.errtxt = "Must be a number"
		success = false
Timo Teräs's avatar
Timo Teräs committed
1202
	end
1203 1204 1205 1206
	local res, err = pcall(function()
		databaseconnect(DatabaseUser)
		local s
		if newconfig.value.auditstart.value ~= "" then
1207
			s,newconfig.value.auditstart.errtxt,newconfig.value.auditstart.value = convertdatabaseentry("TIMESTAMP", newconfig.value.auditstart.value)
1208 1209 1210
			success = success and s
		end
		if newconfig.value.auditend.value ~= "" then
1211
			s,newconfig.value.auditend.errtxt,newconfig.value.auditend.value = convertdatabaseentry("TIMESTAMP", newconfig.value.auditend.value)
1212 1213 1214 1215 1216 1217 1218 1219 1220
			success = success and s
		end
		databasedisconnect()
	end)
	if not res and err then
		newconfig.value.auditstart.errtxt = err
		newconfig.value.auditend.errtxt = err
		success = false
	end
1221
	return success, newconfig
1222 1223 1224 1225
end

function updateconfig(newconfig)
	local success = validateconfig(newconfig)
Ted Trask's avatar
Ted Trask committed
1226 1227 1228 1229 1230 1231 1232
	if success then
		configcontent = format.update_ini_file(configcontent, "", "auditstart", newconfig.value.auditstart.value)
		configcontent = format.update_ini_file(configcontent, "", "auditend", newconfig.value.auditend.value)
		configcontent = format.update_ini_file(configcontent, "", "window", newconfig.value.window.value)
		configcontent = format.update_ini_file(configcontent, "", "watchdays", newconfig.value.watchdays.value)
		configcontent = format.update_ini_file(configcontent, "", "purgedays", newconfig.value.purgedays.value)
		configcontent = format.update_ini_file(configcontent, "", "historydays", newconfig.value.historydays.value)
1233
		configcontent = format.update_ini_file(configcontent, "", "groupby", newconfig.value.groupby.value)
Ted Trask's avatar
Ted Trask committed
1234
		configcontent = format.update_ini_file(configcontent, "", "shorturi", tostring(newconfig.value.shorturi.value))
Timo Teräs's avatar
Timo Teräs committed
1235

Ted Trask's avatar
Ted Trask committed
1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280
		fs.write_file(configfile, configcontent)
		config = format.parse_ini_file(configcontent, "") or {}
	else
		newconfig.errtxt = "Failed to update config"
	end

	return newconfig
end

function getnewadhocquery()
	local query = {}
	query.query = cfe({ label="Query select statement" })
	return cfe({ type="group", value=query, label="Ad-hoc Query" })
end

function adhocquery(query)
	local success = true
	query.value.query.value = query.value.query.value:lower()
	if query.value.query.value == "" then
		query.value.query.errtxt = "Empty select statement"
		success = false
	elseif not string.find(query.value.query.value, "^%s*select%s") then
		query.value.query.errtxt = "Must be a select statement"
		success = false
	end

	if success then
		local cur
		local res, err = pcall(function()
			databaseconnect(DatabaseUser)
			cur = assert (con:execute(query.value.query.value))
			databasedisconnect()
		end)
		if not res or not cur then
			query.value.query.errtxt = err or "Select failed"
			query.errtxt = "Query failed"
		else
			query.value.result = cfe({ type="list", value={}, label="Select result" })
			local result = query.value.result.value
			local row = cur:fetch ({}, "a")
			while row do
				result[#result+1] = {}
				for name,val in pairs(row) do
					result[#result][name] = val
				end
1281
				row = cur:fetch (row, "a")
Ted Trask's avatar
Ted Trask committed
1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361
			end
			-- close everything
			cur:close()
		end
	else
		query.errtxt = "Query failed"
	end

	return query
end

function testdatabase()
	local retval = cfe({ type="boolean", value=false, label="Database present" })
	local dbs = listdatabases()
	for i,db in ipairs(dbs) do
		if db == DatabaseName then
			retval.value = true
			break
		end
	end
	return retval
end

function getnewdatabase()
	local database = {}
	local errtxt
	database.password = cfe({ label="Password" })
	database.password_confirm = cfe({ label="Password (confirm)" })
	local test = testdatabase()
	if test.value then
		errtxt = "Database already exists!"
		success = false
	end
	return cfe({ type="group", value=database, label="Create Database", errtxt=errtxt })
end

function create_database(database)
	local success = true
	local errtxt

	if database.value.password.value == "" or string.match(database.value.password.value, "'%s") then
		database.value.password.errtxt = "Invalid password"
		success = false
	end
	if database.value.password.value ~= database.value.password_confirm.value then
		database.value.password_confirm.errtxt = "Password does not match"
		success = false
	end
	local test = testdatabase()
	if test.value then
		errtxt = "Database already exists!"
		success = false
	end

	if success then
		errtxt = createdatabase(database.value.password.value)
		test = testdatabase()
		if not test.value then
			success = false
		else
			local res, err = pcall(function()
				databaseconnect(DatabaseOwner, database.value.password.value)
				for i,scr in ipairs(database_creation_script) do
					assert (con:execute(scr))
				end
				databasedisconnect()
				-- put the password in the config file for future use
				configcontent = format.update_ini_file(configcontent, "", "password", database.value.password.value)
				fs.write_file(configfile, configcontent)
				config = format.parse_ini_file(configcontent, "") or {}
			end)
			if not res then
				errtxt = err
				success = false
			end
		end
		if not success then
			deletedatabase()
		end
	end
Timo Teräs's avatar
Timo Teräs committed
1362

Ted Trask's avatar
Ted Trask committed
1363 1364 1365 1366 1367 1368 1369 1370 1371
	if not success then
		database.errtxt = "Failed to create database"
		if errtxt then
			database.errtxt = database.errtxt.."\n"..errtxt
		end
	end

	return database
end