weblog-model.lua 51 KB
Newer Older
Ted Trask's avatar
Ted Trask committed
1 2 3 4 5 6 7 8 9
module(..., package.seeall)

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

10
local DatabaseName = "webproxylog"
Ted Trask's avatar
Ted Trask committed
11 12 13 14 15 16
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
17
local configfile = "/etc/weblog/weblog.conf"
Ted Trask's avatar
Ted Trask committed
18 19
local configcontent = fs.read_file(configfile) or ""
local config = format.parse_ini_file(configcontent, "") or {}
20
local goodwordslist = "/etc/weblog/goodwords"
21
local goodwords
22
local badwordslist = "/etc/weblog/badwords"
23
local badwords
Ted Trask's avatar
Ted Trask committed
24
local ignorewordslist = "/etc/weblog/ignorewords"
25
local ignorewords
Ted Trask's avatar
Ted Trask committed
26
local files = {badwordslist, goodwordslist, ignorewordslist, configfile}
Ted Trask's avatar
Ted Trask committed
27 28

local database_creation_script = {
29
	"CREATE TABLE dbhistlog (logdatetime timestamp(3) without time zone NOT NULL, msgtext text)",
30 31
	"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 bigint NOT NULL, reason text, score integer, shortreason text, badyesno int, deniedyesno int, bypassyesno int, wordloc text, goodwordloc text, selected boolean, id serial)",
	"CREATE TABLE pubweblog_history(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 bigint NOT NULL, reason text, score integer, shortreason text, badyesno int, deniedyesno int, bypassyesno int, wordloc text, goodwordloc text, selected boolean, id int)",
32
	"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 bigint NOT NULL, reason text, score integer, shortreason text, badyesno int, deniedyesno int, bypassyesno int, wordloc text, goodwordloc text, selected boolean, id serial)",
Ted Trask's avatar
Ted Trask committed
33
	"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)",
34 35
	"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)",
Ted Trask's avatar
Ted Trask committed
36 37 38 39 40
	"ALTER TABLE ONLY source ADD CONSTRAINT source_pkey PRIMARY KEY (sourcename)",
	"CREATE INDEX dbhistlogdatetimeidx ON dbhistlog USING btree (logdatetime)",
	"CREATE INDEX pubweblogclientdateidx ON pubweblog USING btree (logdatetime, clientuserid)",
	"CREATE INDEX pubweblogclientuserididx ON pubweblog USING btree (clientuserid)",
	"CREATE INDEX pubwebloglogdatetimeidx ON pubweblog USING btree (logdatetime)",
41 42 43
	"CREATE INDEX pubweblog_historyclientdateidx ON pubweblog_history USING btree (logdatetime, clientuserid)",
	"CREATE INDEX pubweblog_historyclientuserididx ON pubweblog_history USING btree (clientuserid)",
	"CREATE INDEX pubweblog_historylogdatetimeidx ON pubweblog_history USING btree (logdatetime)",
44 45
	"GRANT SELECT ON dbhistlog TO "..DatabaseUser,
	"GRANT SELECT ON pubweblog TO "..DatabaseUser,
46
	"GRANT SELECT ON pubweblog_history TO "..DatabaseUser,
47 48 49
	"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
}

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

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

63 64
-- Escape special characters in sql statements and truncate to length
local escape = function(sql, length)
Ted Trask's avatar
Ted Trask committed
65
	sql = sql or ""
66
	if length then sql = string.sub(sql, 1, length) end
67 68
	sql = string.gsub(sql, "'", "''")
	return string.gsub(sql, "\\", "\\\\")
Ted Trask's avatar
Ted Trask committed
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 96
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
97

Ted Trask's avatar
Ted Trask committed
98 99 100 101 102
	-- 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
103

Ted Trask's avatar
Ted Trask committed
104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122
	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
123

Ted Trask's avatar
Ted Trask committed
124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139
	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
140
-- pg_dump -U postgres -c webproxylog > makeweblog.postgres
Ted Trask's avatar
Ted Trask committed
141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163
--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)
164
	local sql = string.format("INSERT INTO dbhistlog VALUES ('now', '%s')", escape(message))
Ted Trask's avatar
Ted Trask committed
165 166 167 168 169 170
	local res = assert (con:execute(sql))
end

local listhistorylogentries = function()
	local entries = {}
	-- retrieve a cursor
Timo Teräs's avatar
Timo Teräs committed
171
	cur = assert (con:execute"SELECT logdatetime, msgtext from dbhistlog ORDER BY logdatetime")
Ted Trask's avatar
Ted Trask committed
172 173 174 175 176 177 178 179 180 181
	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

182
local importlogentry = function(entry, sourcename)
183
	if entry then
184
		local sql = string.format("INSERT INTO weblog VALUES ('%s', '%s', '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s')",
185
			escape(sourcename), escape(entry.clientip), escape(entry.clientuserid, 64):lower(),
186
			escape(entry.logdatetime), escape(entry.URL), escape(entry.bytes), escape(entry.reason), escape(entry.score or "0"), escape(entry.shortreason), escape(entry.badyesno or "0"), escape(entry.deniedyesno or "0"), escape(entry.bypassyesno or "0"), escape(entry.wordloc), escape(entry.goodwordloc))
Ted Trask's avatar
Ted Trask committed
187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238
		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 " ..
239
		"from weblog where deniedyesno > '0' group by clientuserid"
Ted Trask's avatar
Ted Trask committed
240 241 242 243 244 245 246 247 248 249 250 251
	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)
252 253 254
	local sql = "insert into usagestat select weblog.sourcename, " ..
		"date_trunc('hour', weblog.logdatetime) as date, " ..
		"count(*), SUM(deniedyesno) from weblog group by sourcename,date"
Ted Trask's avatar
Ted Trask committed
255 256 257 258
	local res = assert (con:execute(sql))

end

259 260 261 262 263 264 265 266 267 268 269 270 271 272 273
-- Move weblog into pubweblog, and truncate weblog
local importpubweblog = function()
	local sql = "ANALYZE"
	res = assert (con:execute(sql))

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

	-- Truncate the staging table
	assert (con:execute("truncate weblog"))
	logme("truncated staging table")
end

Ted Trask's avatar
Ted Trask committed
274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296
-- 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
297 298
	--local watchdays = config.watchdays or 14
	
Ted Trask's avatar
Ted Trask committed
299 300 301
	local now = os.time()

	local temp = os.date("%Y-%m-%d %H:%M:%S", now - purgedays*86400)
302
	logme("Purgedate is " .. temp .. ". Nothing will exist in pubweblog beyond purgedate.")
Ted Trask's avatar
Ted Trask committed
303

304 305
	-- Move flagged records to histoy and then purge anything older than purgedate
	sql = "Insert into pubweblog_history select * from pubweblog where logdatetime < '" .. temp .."' and (badyesno > 0 or deniedyesno > 0 or bypassyesno > 0 or selected = 'true')"
Ted Trask's avatar
Ted Trask committed
306
	res = assert (con:execute(sql))
307 308 309
	logme("Moved " .. res .. " old records to history")
	
	sql = "Delete from pubweblog where logdatetime < '" .. temp .."'"
Ted Trask's avatar
Ted Trask committed
310
	res = assert (con:execute(sql))
311
	logme("Deleted " .. res .. " old records to from pubweblog")
Ted Trask's avatar
Ted Trask committed
312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340
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

341
local generatewhereclause = function(clientuserid, starttime, endtime, clientip, badyesno, deniedyesno, bypassyesno, score, urisearch, selected)
Ted Trask's avatar
Ted Trask committed
342 343 344
	local sql = ""
	local where = {}
	if clientuserid and clientuserid ~= "" then
345
		where[#where+1] = "clientuserid LIKE '%"..escape(clientuserid).."%'"
Ted Trask's avatar
Ted Trask committed
346 347 348 349 350 351 352 353 354 355
	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
356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375
	if badyesno and badyesno ~= "" then
		where[#where+1] = "badyesno = '"..escape(badyesno).."'"
	end
	if deniedyesno and deniedyesno ~= "" then
		where[#where+1] = "deniedyesno = '"..escape(deniedyesno).."'"
	end
	if bypassyesno and bypassyesno ~= "" then
		where[#where+1] = "bypassyesno = '"..escape(bypassyesno).."'"
	end
	if score and score ~= "" then
		where[#where+1] = "score >= '"..escape(score).."'"
	end
	if urisearch and urisearch ~= "" then 
	    	where[#where+1] = "lower(uri) LIKE '%"..escape(urisearch).."%'"
	end
	
	if selected and selected == "true" then
		where[#where+1] = "selected = 'true'"
	end
	
Ted Trask's avatar
Ted Trask committed
376 377 378
	if #where > 0 then
		sql = " WHERE " .. table.concat(where, " AND ")
	end
379
	 
Ted Trask's avatar
Ted Trask committed
380 381 382
	return sql
end

383
local listlogentries = function(activelog, clientuserid, starttime, endtime, clientip, badyesno, deniedyesno, bypassyesno, score, urisearch, sortby, selected)
Ted Trask's avatar
Ted Trask committed
384 385
	local entries = {}
	-- retrieve a cursor
386 387 388
	local sql = "SELECT * FROM "..activelog
	sql = sql .. generatewhereclause(clientuserid, starttime, endtime, clientip, badyesno, deniedyesno, bypassyesno, score, urisearch, selected)
	sql = sql .. " ORDER BY "..sortby
Ted Trask's avatar
Ted Trask committed
389 390 391
	cur = assert (con:execute(sql))
	row = cur:fetch ({}, "a")
	while row do
Ted Trask's avatar
Ted Trask committed
392 393
		if config.shorturi == "true" then
			shorturi=string.gsub(row.uri, "[;?].*", "...")
394
		end
395
		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, badyesno=row.badyesno, deniedyesno=row.deniedyesno, bypassyesno=row.bypassyesno, wordloc=row.wordloc, id=row.id, selected=row.selected }
396 397 398
		if (config.shortreason ~= "true") then
			entries[#entries].shortreason = nil
		end
Ted Trask's avatar
Ted Trask committed
399 400 401 402 403 404 405 406
		row = cur:fetch (row, "a")
	end
	-- close everything
	cur:close()
	return entries
end

local listpubweblogentries = function(...)
407
	return listlogentries(...)
Ted Trask's avatar
Ted Trask committed
408 409
end

410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428
local groupdeniedlogentries = function(starttime, endtime, groupby)
	groupby = groupby or "clientuserid"
	local entries = {}
	-- retrieve a cursor
	local sql = "SELECT "..groupby..", count(*) AS numblock, max(score) AS maxscore FROM pubweblog"
	sql = sql .. generatewhereclause(nil, starttime, endtime) .. " AND deniedyesno > '0'"
	sql = sql .. " GROUP BY "..groupby.. " ORDER BY numblock DESC"
	cur = assert (con:execute(sql))
	row = cur:fetch ({}, "a")
	while row do
		entries[#entries+1] = {numblock=row.numblock, maxscore=row.maxscore}
		entries[#entries][groupby] = row[groupby]
		row = cur:fetch (row, "a")
	end
	-- close everything
	cur:close()
	return entries
end

Ted Trask's avatar
Ted Trask committed
429 430 431 432
local listusagestats = function()
	local entries = {}
	-- retrieve a cursor
	local sql = "SELECT sourcename, date, sum(numrequest) AS numrequest, sum(numblock) AS numblock " ..
433
		"FROM usagestat GROUP BY sourcename, date ORDER BY date, sourcename"
Ted Trask's avatar
Ted Trask committed
434 435 436 437 438 439 440 441 442 443 444
	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

445 446 447 448 449 450 451 452 453 454 455 456 457 458
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

459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485
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
486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506
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

507
local function checkwords(logentry)
508 509
	local goodwordloc={}
	local badwordloc={}
510 511
	local wrdcnt=0
	local isbad=0
512

513
	--check for ignored records first
514
	for i,thisline in ipairs(ignorewords) do
515 516 517
		if not thisline then
			break
		end
518
		_,instcnt = string.lower(logentry.URL):gsub(thisline, " ")
519
		if instcnt ~= 0 then
520
			logentry.ignoreme = true
521
			break
522 523 524
		end
	end

525
	if not logentry.ignoreme then
526 527 528 529 530 531 532 533 534 535 536
		--proceed with record analysis
		for i,thisline in ipairs(badwords) do
			if not thisline then
				break
			end

			_,instcnt = string.lower(logentry.URL):gsub(thisline, " ")
			if instcnt ~= 0 then
				-- logme("instcnt =  "..instcnt)
				isbad=1
				wrdcnt= wrdcnt + instcnt
537
				badwordloc[#badwordloc+1] = thisline
538
			end
539
		end
540 541 542 543 544 545 546 547 548 549
		if string.find(logentry.URL,"*DENIED*") then
			-- logme("*Denied*")
			logentry.deniedyesno=1
		elseif string.find(logentry.URL,"GBYPASS") then
			-- logme("GBYPASS")
			logentry.bypassyesno=1
		elseif string.find(logentry.URL,"*OVERRIDE*") then
			-- logme("*OVERRIDE*")
			logentry.bypassyesno=1
		end
550 551 552 553 554 555 556
		for i,goodline in ipairs(goodwords) do
			if not goodline then
				break
			end
			_,instcnt = string.lower(logentry.URL):gsub(goodline, " ")
			--if string.find(logentry.URL,goodline) then
			if instcnt ~= 0 then
557
				if wrdcnt >= instcnt then
558
					wrdcnt = wrdcnt - instcnt
559 560
				else
					wrdcnt = 0
561
				end
562
				goodwordloc[#goodwordloc+1] = goodline
563
			end
564 565
		end
	end
Ted Trask's avatar
Ted Trask committed
566 567 568 569
	-- Reset bad to reduce number of bad hits if score is zero
	-- if wrdcnt == 0 then
	-- isbad=0
	-- end
570 571 572

	logentry.score=wrdcnt
	logentry.badyesno=isbad
573 574
	logentry.wordloc=table.concat(badwordloc,"|")
	logentry.gwordloc=table.concat(goodwordloc,"|")
575 576 577 578 579 580 581 582 583 584 585
end

local function parsesquidlog(line)
	-- 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

586 587 588
	local logentry = {logdatetime=words[1],
		elapsed=words[2],
		clientip=words[3],
Ted Trask's avatar
Ted Trask committed
589 590
		code=string.match(words[4] or "", "^[^/]*"),
		status=string.match(words[4] or "", "[^/]*$"),
591
		bytes=words[5],
Ted Trask's avatar
Ted Trask committed
592
		method=words[6],
593 594
		URL=words[7],
		clientuserid=words[8],
Ted Trask's avatar
Ted Trask committed
595
		peerstatus=string.match(words[9] or "", "^[^/]*"),
596 597 598
		peerhost=string.match(words[9] or "", "[^/]*$")}

	checkwords(logentry)
599

Ted Trask's avatar
Ted Trask committed
600 601
	-- Don't care about local requests (from DG) (this check also removes blank lines)
	if logentry.clientip and logentry.clientip ~= "127.0.0.1" then
602 603 604
		if logentry.clientuserid and logentry.clientuserid ~= "-" then
			logentry.logdatetime = os.date("%Y-%m-%d %H:%M:%S", logentry.logdatetime)..string.match(logentry.logdatetime, "%..*")
			return logentry
Ted Trask's avatar
Ted Trask committed
605 606 607 608 609
		end
	end
	return nil
end

610
local function parsedglog(line)
611
	local words = format.string_to_table(line, "\t")
612 613 614 615 616 617 618
	local logentry = {logdatetime=words[1],
			clientuserid=words[2],
			clientip=words[3],
			URL=words[4],
			reason=words[5],
			method=words[6],
			bytes=words[7],
619 620
			shortreason=words[9],
			deniedyesno=1}
Ted Trask's avatar
Ted Trask committed
621

622
	checkwords(logentry)
Ted Trask's avatar
Ted Trask committed
623 624 625 626 627

	if logentry.reason and logentry.reason ~= "" then
           	if logentry.shortreason == "" then
           		logentry.shortreason = logentry.reason
           	end
628 629
		logentry.score = string.match(logentry.reason, "^.*: ([0-9]+) ")
		logentry.logdatetime = string.gsub(logentry.logdatetime, "%.", "-")
Ted Trask's avatar
Ted Trask committed
630 631 632 633 634
	   	return logentry
	end
	return nil
end

Ted Trask's avatar
Ted Trask committed
635 636 637 638 639 640 641 642 643
-- ################################################################################
-- 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
644 645
		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
646 647 648 649 650 651 652 653 654 655
		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
656 657
	elseif source.method == "local" then
		success = true
Ted Trask's avatar
Ted Trask committed
658 659 660 661 662 663 664 665 666 667 668 669 670 671
	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
672 673
	elseif source.method == "local" then
		candidates = fs.find_files_as_array(nil, source.source)
Ted Trask's avatar
Ted Trask committed
674 675 676 677
	end
	return candidates
end

678 679
local openlogfile = function(source, cookiesfile, logfile)
	local handle
Ted Trask's avatar
Ted Trask committed
680 681
	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"
682 683 684
		if string.find(logfile, "%.gz$") then
			cmd = cmd.." | gunzip -c"
		end
685
		handle = io.popen(cmd)
686
	elseif source.method == "local" then
687 688
		if string.find(logfile, "%.gz$") then
			local cmd = "gunzip -c "..logfile
689
			handle = io.popen(cmd)
690
		else
691
			handle = io.open(logfile)
692
		end
Ted Trask's avatar
Ted Trask committed
693
	end
694
	return handle
Ted Trask's avatar
Ted Trask committed
695 696 697 698 699 700 701
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()
702 703
	elseif source.method == "local" then
		os.remove(logfile)
Ted Trask's avatar
Ted Trask committed
704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753
	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)
754 755 756 757 758 759
	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
760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794
		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" })
795
	source.method = cfe({ type="select", value="local", label="Method", option={"http", "https", "local"} })
Ted Trask's avatar
Ted Trask committed
796 797
	source.userid = cfe({ label="UserID" })
	source.passwd = cfe({ label="Password" })
798
	source.source = cfe({ value="/var/log", label="Source Location / Address" })
Ted Trask's avatar
Ted Trask committed
799 800 801 802 803 804 805 806 807 808 809 810 811
	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
812 813
		-- remove spaces from sourcename
		source.sourcename = string.gsub(source.sourcename, "%s+$", "")
Ted Trask's avatar
Ted Trask committed
814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891

		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

892 893
-- import a logfile and delete logfile after
local function importlogfile(source, cookiesfile, file, parselog_func)
Ted Trask's avatar
Ted Trask committed
894
	logme("Getting " .. file )
895
	local loghandle = openlogfile(source, cookiesfile, file)
Ted Trask's avatar
Ted Trask committed
896
	logme("Processing " .. file )
897 898 899
	local res, err = pcall(function()
		con:execute("START TRANSACTION")
		for line in loghandle:lines() do
900 901 902
			assert(con:execute("SAVEPOINT before_line"))
			local res2, err2 = pcall(function()
				local logentry = parselog_func(line)
903
				importlogentry(logentry, source.sourcename)
904 905 906 907 908 909
			end)
			if not res2 then
				if (config.stoponerror == "true") then
					pcall(function() con:execute("ROLLBACK") end)
				else
					assert(con:execute("ROLLBACK TO before_line"))
910
					con:execute("COMMIT")
911 912 913
				end
				pcall(function() logme("Exception on line:"..line) end)
				if err2 then
914
					pcall(function() logme("err2 "..err2) end)
915 916 917
				end
				if (config.stoponerror == "true") then
					assert(res2, "Import halted on exception")
918 919
				else
					con:execute("START TRANSACTION")
920
				end
921 922
			else
				assert(con:execute("RELEASE SAVEPOINT before_line"))
923
			end
924 925 926 927 928 929 930 931
		end
		con:execute("COMMIT")
	end)
	if not res then
		pcall(function() con:execute("ROLLBACK") end)
		if err then
			pcall(function() logme(err) end)
		end
932
	end
933
	loghandle:close()
934 935 936 937 938
	if res then
		logme("Deleting " .. file )
		deletelogfile(source, cookiesfile, file)
	end
	return res
939 940
end

Ted Trask's avatar
Ted Trask committed
941 942 943
function importlogs()
	local result = cfe({ label="Weblog Import Logs Result" })
	local count = 0
944
	local success = true
Ted Trask's avatar
Ted Trask committed
945 946 947 948 949

	local res, err = pcall(function()
		databaseconnect(DatabaseOwner, config.password)

		-- Download, parse, and import the logs
950 951 952 953
		logme("Executing importlogs")
		logme("Analyzing...")
		local sql = "ANALYZE"
		res = assert (con:execute(sql))
954 955 956 957 958 959

		-- Get the word lists
		goodwords = fs.read_file_as_array(goodwordslist) or {}
		badwords = fs.read_file_as_array(badwordslist) or {}
		ignorewords = fs.read_file_as_array(ignorewordslist) or {}

960 961 962
		-- Determine sources
		local sources = listsourceentries(sourcename)
		
Ted Trask's avatar
Ted Trask committed
963 964 965 966 967 968 969
		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
970
						if string.match(file, "dansguardian/access%.log[%.%-]") then
Ted Trask's avatar
Ted Trask committed
971
							count = count + 1
972
							success = importlogfile(source, cookiesfile, file, parsedglog) and success
973 974
						end
						if string.match(file, "squid/access%.log[%.%-]") then
Ted Trask's avatar
Ted Trask committed
975
							count = count + 1
976
							success = importlogfile(source, cookiesfile, file, parsesquidlog) and success
Ted Trask's avatar
Ted Trask committed
977 978 979 980 981 982 983 984
						end
					end
				end
				os.remove(cookiesfile)
			end
		end

		-- Process the logs
985 986 987
		if success then
			addtowatchlist()
			updateusagestats()
988
			importpubweblog()
989 990
			groomwatchlist()
		end
Ted Trask's avatar
Ted Trask committed
991 992 993 994 995 996 997
		-- Purge old database entries
		groomusagestat()
		groomdbhistlog()
		groompublogs()

		databasedisconnect()
	end)
998
	if not res or not success then
Ted Trask's avatar
Ted Trask committed
999 1000 1001 1002 1003
		result.errtxt = "Import Logs Failure"
		if err then
			pcall(function() logme(err) end)
			result.errtxt = result.errtxt .. "\n" .. err
		end
1004
		pcall(function() databasedisconnect() end)
Ted Trask's avatar
Ted Trask committed
1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048
	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

1049
local function validatewatchlistentry(watch)
Ted Trask's avatar
Ted Trask committed
1050 1051 1052 1053 1054 1055 1056
	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
1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073
	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
1074 1075
	watch.value.clientuserid.value = watch.value.clientuserid.value:lower()
	watch.errtxt = "Failed to create watchlist entry"
1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086
	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
1087
			end
1088 1089 1090 1091 1092
			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
1093
			end
1094 1095 1096 1097
			databasedisconnect()
		end)
		if not res and err then
			watch.errtxt = watch.errtxt .. "\n" .. err
Ted Trask's avatar
Ted Trask committed
1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117
		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
1118

Ted Trask's avatar
Ted Trask committed
1119 1120 1121
	return result
end

1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135
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
1136
			s,params.starttime.errtxt,params.starttime.value = convertdatabaseentry("TIMESTAMP", params.starttime.value)
1137 1138 1139
			success = success and s
		end
		if params.endtime.value ~= "" then
1140
			s,params.endtime.errtxt,params.endtime.value = convertdatabaseentry("TIMESTAMP", params.endtime.value)
1141 1142 1143
			success = success and s
		end
		if params.focus.value ~= "" then
1144
			s,params.focus.errtxt,params.focus.value = convertdatabaseentry("TIMESTAMP", params.focus.value)
1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157
			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

1158
local handleparameters = function(activelog, clientuserid, starttime, endtime, clientip, badyesno, deniedyesno, bypassyesno, score, urisearch, sortby, selected, focus)
Ted Trask's avatar
Ted Trask committed
1159
	local result = {}
1160
	result.activelog = cfe({ value=activelog or "pubweblog", label="Active Weblog" })
Ted Trask's avatar
Ted Trask committed
1161 1162 1163 1164
	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" })
1165 1166 1167 1168 1169 1170 1171
	result.badyesno = cfe({ value=badyesno, label="Show Dodgy Records", descr="Limit search to Dodgy records"})
	result.deniedyesno = cfe({ value=deniedyesno, label="Show Denied Records", descr="Limit search to Denied uri"})
	result.bypassyesno = cfe({ value=bypassyesno, label="Show Bypass Actions", descr="Limit search to Bypass attempts"})
	result.score = cfe({ value=score, label="Minimum Score", descr="Minimum score to search on"})
	result.urisearch = cfe({ value=urisearch or "", label="URI Contains", descr="Retrieve records where the URI contains this word"})
	result.sortby = cfe({ value=sortby, label="Sort By field", descr="Sort by this field when displaying records"})
	result.selected = cfe({ value=selected, label="Show Selected Records", descr="Show only records that have been selected"})
Ted Trask's avatar
Ted Trask committed
1172
	result.window = cfe({ value=config.window or "5", label="Time Window" })
1173
	result.focus = cfe({ value=focus or "", label="Focus Time" })
Ted Trask's avatar
Ted Trask committed
1174 1175 1176
	return result
end

1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206
function getselected(csvdata)
	local result = {}
	result.id = cfe({ value=csvdata or "", label="Record ID", descr="Id of Record"})
        result.log = cfe({ type="list", value={}, label="Weblog Access Log" })
        local res, err = pcall(function()
	 	databaseconnect(DatabaseUser)
		local entries = {}
		-- retrieve a cursor
		local sql = "SELECT * FROM pubweblog where selected = true and logdatetime >= '" .. starttime .. "' and logdatetime <= '" .. endtime .. "'" 
		local idcnt = 0
		sql = sql .. " ORDER BY logdatetime;"
		cur = assert (con:execute(sql))
		row = cur:fetch ({}, "a")
		while row do
			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, core=row.score, shortreason=row.shortreason, badyesno=row.badyesno, deniedyesno=row.deniedyesno, bypassyesno=row.bypassyesno, wordloc=row.wordloc, selected=row.selected }
			row = cur:fetch (row, "a")
		end
		-- close everything
		cur:close()
		result.log.value = entries or {} 
		--result.log.value = sql
		databasedisconnect()
 	end)
	return cfe({ type="group", value=result, errtxt=err, label="Weblog Selected" })	
end

function editselected(chkdata)
	keycnt = 0
	sql = "UPDATE pubweblog SET selected = "
	databaseconnect(DatabaseOwner)
Ted Trask's avatar
Ted Trask committed
1207 1208 1209 1210 1211 1212 1213 1214 1215
	idarray = format.string_to_table(chkdata, "|")
	for key,x in pairs(idarray) do
		keycnt = keycnt + 1
		if keycnt == 1 then 
			sql = sql..x.." WHERE id = "
		else 
			sql = sql..x
		end
	end
1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236
	assert (con:execute(sql))
	databasedisconnect()
end

function clearselected()
        local retval = cfe({ label="Clear selected records", errtxt = "Failed to clear selected records - who knows why" })
	sql = "UPDATE pubweblog SET selected = false WHERE selected = true"
	databaseconnect(DatabaseOwner)
	assert (con:execute(sql))
	databasedisconnect()
	retval.value = "Cleared"
	retval.errtxt = nil
	return retval 
end

function getweblog(activelog, clientuserid, starttime, endtime, clientip, badyesno, deniedyesno, bypassyesno, score, urisearch, sortby, selected, focus )

	if (not activelog or activelog=="") then
		activelog = "pubweblog"
	end
	
Ted Trask's avatar
Ted Trask committed
1237
	if (not starttime or starttime=="") and (not endtime or endtime=="") and config.auditstart~="" and config.auditend~="" then
1238 1239 1240 1241 1242 1243 1244
		
		 starttime = config.auditstart
		 endtime = config.auditend
	
		if config.badyesno=="true" then
		   badyesno = '1'
		end
Ted Trask's avatar
Ted Trask committed
1245
	end
1246 1247 1248 1249 1250 1251 1252 1253 1254
	if (not score or score=="") and config.minimumscore~="" then
	  score = config.minimumscore
	end
	
	if (not sortby or sortby=="") and config.sortby~="" then
	   sortby = config.sortby
	end
	
	local result = handleparameters(activelog, clientuserid, starttime, endtime, clientip, badyesno, deniedyesno, bypassyesno, score, urisearch, sortby, selected, focus)
Ted Trask's avatar
Ted Trask committed
1255
	result.log = cfe({ type="list", value={}, label="Weblog Access Log" })
1256 1257 1258 1259
	local success = validateparameters(result)
	if success then
		local res, err = pcall(function()
			databaseconnect(DatabaseUser)
1260
			result.log.value = listpubweblogentries(activelog, clientuserid, starttime, endtime, clientip, badyesno, deniedyesno, bypassyesno, score, urisearch, sortby, selected ) or {}
1261 1262 1263 1264 1265
			databasedisconnect()
		end)
	else
		err = "Invalid search parameters"
	end
Ted Trask's avatar
Ted Trask committed
1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283
	return cfe({ type="group", value=result, errtxt=err, label="Weblog Access 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

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
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" })
	result.groupby = cfe({ value=config.groupby or "clientuserid", label="Group By" })
	result.stats = cfe({ type="list", value={}, label="Audit Block Statistics" })
	local res, err = pcall(function()
		if config.auditstart ~= "" and config.auditend ~= "" then
			databaseconnect(DatabaseUser)
			result.stats.value = groupdeniedlogentries(config.auditstart, config.auditend, result.groupby.value) or {}
			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
Ted Trask's avatar
Ted Trask committed
1313 1314 1315 1316 1317

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" })
1318 1319 1320
	result.badyesno = cfe({ type="boolean", value=(config.badyesno == "1"), label="Display Suspect Records", descr="Show only records flagged as suspect on initial display" })
	result.minimumscore = cfe({ value=config.minimumscore or "0", label="Minimum Score", descr="Minimum Score to search for" })
	result.sortby = cfe({ type="select", value=config.sortby or "logdatetime", label="Sort By field", option={"logdatetime", "logdatetime DESC", "clientuserid", "clientuserid DESC", "clientip", "clientip DESC", "bytes", "bytes DESC", "score", "score DESC", "reason"} })
Ted Trask's avatar
Ted Trask committed
1321 1322 1323
	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" })
1324
	result.shorturi = cfe({ type="boolean", value=(config.shorturi == "true"), label="Truncate URLs", descr="You can limit the length of displayed URLs by enabling this option"})
1325
	result.shortreason = cfe({ type="boolean", value=(config.shortreason == "true"), label="Short Reason", descr="Display a short reason (dansguardian only)"})
1326
	result.stoponerror = cfe({ type="boolean", value=(config.stoponerror == "true"), label="Stop on Error", descr="Stop import of logs if an error is encountered"})
Ted Trask's avatar
Ted Trask committed
1327 1328 1329
	return cfe({ type="group", value=result, label="Weblog Config" })
end

1330
local function validateconfig(newconfig)
1331
	local success = modelfunctions.validateselect(newconfig.value.sortby)
Ted Trask's avatar
Ted Trask committed
1332 1333 1334 1335 1336 1337
	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
1338
	end
Ted Trask's avatar
Ted Trask committed
1339 1340 1341
	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
1342
	end
Ted Trask's avatar
Ted Trask committed
1343 1344 1345
	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
1346
	end
1347 1348 1349 1350
	local res, err = pcall(function()
		databaseconnect(DatabaseUser)
		local s
		if newconfig.value.auditstart.value ~= "" then
1351
			s,newconfig.value.auditstart.errtxt,newconfig.value.auditstart.value = convertdatabaseentry("TIMESTAMP", newconfig.value.auditstart.value)
1352 1353 1354
			success = success and s
		end
		if newconfig.value.auditend.value ~= "" then
1355
			s,newconfig.value.auditend.errtxt,newconfig.value.auditend.value = convertdatabaseentry("TIMESTAMP", newconfig.value.auditend.value)
1356 1357 1358 1359 1360 1361 1362 1363 1364
			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
1365
	return success, newconfig
1366 1367 1368 1369
end

function updateconfig(newconfig)
	local success = validateconfig(newconfig)
Ted Trask's avatar
Ted Trask committed
1370 1371 1372 1373 1374 1375
	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)
1376
		--configcontent = format.update_ini_file(configcontent, "", "groupby", newconfig.value.groupby.value)
Ted Trask's avatar
Ted Trask committed
1377
		configcontent = format.update_ini_file(configcontent, "", "shorturi", tostring(newconfig.value.shorturi.value))
1378
		configcontent = format.update_ini_file(configcontent, "", "shortreason", tostring(newconfig.value.shortreason.value))
1379
		configcontent = format.update_ini_file(configcontent, "", "stoponerror", tostring(newconfig.value.stoponerror.value))
1380 1381 1382 1383
		configcontent = format.update_ini_file(configcontent, "", "badyesno", tostring(newconfig.value.badyesno.value))
		configcontent = format.update_ini_file(configcontent, "", "minimumscore", tostring(newconfig.value.minimumscore.value))
		configcontent = format.update_ini_file(configcontent, "", "sortby", tostring(newconfig.value.sortby.value))
			
Ted Trask's avatar
Ted Trask committed
1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428
		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
1429
				row = cur:fetch (row, "a")
Ted Trask's avatar
Ted Trask committed
1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509
			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
1510

Ted Trask's avatar
Ted Trask committed
1511 1512 1513 1514 1515 1516 1517 1518 1519
	if not success then
		database.errtxt = "Failed to create database"
		if errtxt then
			database.errtxt = database.errtxt.."\n"..errtxt
		end
	end

	return database
end
Ted Trask's avatar
Ted Trask committed
1520

1521 1522
function listfiles()
        local retval = cfe({ type="list", value={}, label="Weblog Files" })
Ted Trask's avatar
Ted Trask committed
1523 1524 1525 1526 1527
	for i,file in ipairs(files) do
		local details = fs.stat(file) or {}
		details.filename = file
		retval.value[#retval.value + 1] = details
	end
1528 1529
        return retval
end
Ted Trask's avatar
Ted Trask committed
1530

1531
function readfile(filename)
Ted Trask's avatar
Ted Trask committed
1532
	return modelfunctions.getfiledetails(filename, files)
1533 1534 1535
end
        
function updatefile(filedetails)
Ted Trask's avatar
Ted Trask committed
1536
	return modelfunctions.setfiledetails(filedetails, files)
1537
end