weblog-model.lua 46.9 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)",
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
	"CREATE TABLE usagestat (sourcename character varying(40) NOT NULL, date timestamp(0) without time zone NOT NULL, numrequest integer, numblock integer)",
Ted Trask's avatar
Ted Trask committed
35 36 37 38 39
	"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)",
40 41 42
	"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)",
43 44
	"GRANT SELECT ON dbhistlog TO "..DatabaseUser,
	"GRANT SELECT ON pubweblog TO "..DatabaseUser,
45
	"GRANT SELECT ON pubweblog_history TO "..DatabaseUser,
46 47
	"GRANT SELECT, UPDATE, INSERT, DELETE ON source TO "..DatabaseUser,
	"GRANT SELECT ON usagestat TO "..DatabaseUser,
Ted Trask's avatar
Ted Trask committed
48 49 50 51 52 53 54 55 56 57 58 59 60
}

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

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

61 62
-- Escape special characters in sql statements and truncate to length
local escape = function(sql, length)
Ted Trask's avatar
Ted Trask committed
63
	sql = sql or ""
64
	if length then sql = string.sub(sql, 1, length) end
65 66
	sql = string.gsub(sql, "'", "''")
	return string.gsub(sql, "\\", "\\\\")
Ted Trask's avatar
Ted Trask committed
67 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
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
95

Ted Trask's avatar
Ted Trask committed
96 97 98 99 100
	-- 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
101

Ted Trask's avatar
Ted Trask committed
102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120
	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
121

Ted Trask's avatar
Ted Trask committed
122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137
	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
138
-- pg_dump -U postgres -c webproxylog > makeweblog.postgres
Ted Trask's avatar
Ted Trask committed
139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161
--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)
162
	local sql = string.format("INSERT INTO dbhistlog VALUES ('now', '%s')", escape(message))
Ted Trask's avatar
Ted Trask committed
163 164 165 166 167 168
	local res = assert (con:execute(sql))
end

local listhistorylogentries = function()
	local entries = {}
	-- retrieve a cursor
Timo Teräs's avatar
Timo Teräs committed
169
	cur = assert (con:execute"SELECT logdatetime, msgtext from dbhistlog ORDER BY logdatetime")
Ted Trask's avatar
Ted Trask committed
170 171 172 173 174 175 176 177 178 179
	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

180
local importlogentry = function(entry, sourcename)
181
	if entry then
182
		local sql = string.format("INSERT INTO weblog VALUES ('%s', '%s', '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s')",
183
			escape(sourcename), escape(entry.clientip), escape(entry.clientuserid, 64):lower(),
184
			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
185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235
		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

-- 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)
236 237 238
	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
239 240 241
	local res = assert (con:execute(sql))
end

242 243 244 245 246 247 248 249 250 251 252 253 254 255 256
-- 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
257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273
-- 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
Ted Trask's avatar
Ted Trask committed
274

Ted Trask's avatar
Ted Trask committed
275 276 277
	local now = os.time()

	local temp = os.date("%Y-%m-%d %H:%M:%S", now - purgedays*86400)
278
	logme("Purgedate is " .. temp .. ". Nothing will exist in pubweblog from before purgedate.")
Ted Trask's avatar
Ted Trask committed
279

280 281
	-- 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
282
	res = assert (con:execute(sql))
283
	logme("Moved " .. res .. " old records to history")
Ted Trask's avatar
Ted Trask committed
284

285
	sql = "Delete from pubweblog where logdatetime < '" .. temp .."'"
Ted Trask's avatar
Ted Trask committed
286
	res = assert (con:execute(sql))
287 288 289 290 291
	logme("Deleted " .. res .. " old records from pubweblog")
	
	sql = "delete from pubweblog_history where logdatetime < (now() - INTERVAL '1 year')"
	res = assert (con:execute(sql))
	logme("Deleted " .. res .. " old records from pubweblog_history")
Ted Trask's avatar
Ted Trask committed
292 293
end

294
local generatewhereclause = function(clientuserid, starttime, endtime, clientip, badyesno, deniedyesno, bypassyesno, score, urisearch, selected)
Ted Trask's avatar
Ted Trask committed
295 296 297
	local sql = ""
	local where = {}
	if clientuserid and clientuserid ~= "" then
298
		where[#where+1] = "clientuserid LIKE '%"..escape(clientuserid).."%'"
Ted Trask's avatar
Ted Trask committed
299 300 301 302 303 304 305 306 307 308
	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
309 310 311 312 313 314 315 316 317 318 319 320
	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
Ted Trask's avatar
Ted Trask committed
321
	if urisearch and urisearch ~= "" then
322 323 324 325 326
	    	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
327

Ted Trask's avatar
Ted Trask committed
328 329 330
	if #where > 0 then
		sql = " WHERE " .. table.concat(where, " AND ")
	end
Ted Trask's avatar
Ted Trask committed
331

Ted Trask's avatar
Ted Trask committed
332 333 334
	return sql
end

335
local listlogentries = function(activelog, clientuserid, starttime, endtime, clientip, badyesno, deniedyesno, bypassyesno, score, urisearch, sortby, selected)
Ted Trask's avatar
Ted Trask committed
336 337
	local entries = {}
	-- retrieve a cursor
338 339 340
	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
341 342 343
	cur = assert (con:execute(sql))
	row = cur:fetch ({}, "a")
	while row do
Ted Trask's avatar
Ted Trask committed
344 345
		if config.shorturi == "true" then
			shorturi=string.gsub(row.uri, "[;?].*", "...")
346
		end
347
		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 }
348 349 350
		if (config.shortreason ~= "true") then
			entries[#entries].shortreason = nil
		end
Ted Trask's avatar
Ted Trask committed
351 352 353 354 355 356 357 358
		row = cur:fetch (row, "a")
	end
	-- close everything
	cur:close()
	return entries
end

local listpubweblogentries = function(...)
359
	return listlogentries(...)
Ted Trask's avatar
Ted Trask committed
360 361
end

362
local groupflaggedlogentries = function(starttime, endtime, groupby)
363 364 365
	groupby = groupby or "clientuserid"
	local entries = {}
	-- retrieve a cursor
366 367 368 369 370 371
	--local sql = "SELECT "..groupby..", count(*) AS numblock, max(score) AS maxscore FROM pubweblog"
	local sql = "SELECT "..groupby..", COUNT(*) as numrecords, SUM(CASE WHEN (bypassyesno > '0' OR deniedyesno > '0' OR badyesno > '0') THEN 1 ELSE 0 END) as numflagged, sum(score) AS numhits, sum(CASE WHEN deniedyesno > '0' THEN 1 ELSE 0 END) AS numdenied, sum(CASE WHEN bypassyesno > '0' THEN 1 ELSE 0 END) AS numbypassed, max(score) as maxscore from pubweblog"
	--sql = sql .. generatewhereclause(nil, starttime, endtime) .. " AND deniedyesno > '0'"
	sql = sql .. generatewhereclause(nil, starttime, endtime)
	--sql = sql .. " GROUP BY "..groupby.. " ORDER BY numblock DESC"
	sql = sql .. " GROUP BY " ..groupby.. " ORDER BY numflagged DESC"
372 373 374
	cur = assert (con:execute(sql))
	row = cur:fetch ({}, "a")
	while row do
375 376
		--entries[#entries+1] = {numblock=row.numblock, maxscore=row.maxscore}
		entries[#entries+1] = {numrecords=row.numrecords, numflagged=row.numflagged, numhits=row.numhits, numdenied=row.numdenied, numbypassed=row.numbypassed, maxscore=row.maxscore}
377 378 379 380 381 382 383 384
		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
385 386 387 388
local listusagestats = function()
	local entries = {}
	-- retrieve a cursor
	local sql = "SELECT sourcename, date, sum(numrequest) AS numrequest, sum(numblock) AS numblock " ..
389
		"FROM usagestat GROUP BY sourcename, date ORDER BY date, sourcename"
Ted Trask's avatar
Ted Trask committed
390 391 392 393 394 395 396 397 398 399 400
	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

401 402 403 404 405 406 407 408 409 410 411 412 413 414
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

415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441
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
442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462
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

463
local function checkwords(logentry)
464 465
	local goodwordloc={}
	local badwordloc={}
466 467
	local wrdcnt=0
	local isbad=0
468

469
	--check for ignored records first
470
	for i,thisline in ipairs(ignorewords) do
471 472 473
		if not thisline then
			break
		end
474
		_,instcnt = string.lower(logentry.URL):gsub(thisline, " ")
475
		if instcnt ~= 0 then
476
			logentry.ignoreme = true
477
			--logme("ignoring...")
478
			break
479 480 481
		end
	end

482
	if not logentry.ignoreme then
483 484 485 486 487
		--proceed with record analysis
		for i,thisline in ipairs(badwords) do
			if not thisline then
				break
			end
Ted Trask's avatar
Ted Trask committed
488

489 490 491 492 493
			_,instcnt = string.lower(logentry.URL):gsub(thisline, " ")
			if instcnt ~= 0 then
				-- logme("instcnt =  "..instcnt)
				isbad=1
				wrdcnt= wrdcnt + instcnt
494
				badwordloc[#badwordloc+1] = thisline
495
			end
496
		end
Ted Trask's avatar
Ted Trask committed
497

498
		--check for DansGuardian actions
499
		if (logentry.reason and logentry.reason ~= "") then
Ted Trask's avatar
Ted Trask committed
500 501 502 503 504 505 506 507 508 509
			if string.find(logentry.reason,"DENIED") then
				-- logme("*Denied*")
				logentry.deniedyesno=1
			elseif string.find(logentry.URL,"GBYPASS") then
				-- logme("GBYPASS")
				logentry.bypassyesno=1
			elseif string.find(logentry.reason,"OVERRIDE") then
				-- logme("*OVERRIDE*")
				logentry.bypassyesno=1
			end
510
		end
511 512 513

		--check for Squark actions
		if (logentry.squarkaction and logentry.squarkaction ~= "") then
Ted Trask's avatar
Ted Trask committed
514 515 516 517 518 519
			--logme("squarkaction="..logentry.squarkaction)
			if string.find(logentry.squarkaction, "blocked") then
				logentry.deniedyesno=1
			elseif string.find(logentry.squarkaction,"overridden") then
				logentry.bypassyesno=1
			end
520 521
		end

522 523 524 525 526 527 528
		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
529
				if wrdcnt >= instcnt then
530
					wrdcnt = wrdcnt - instcnt
531 532
				else
					wrdcnt = 0
533
				end
534
				goodwordloc[#goodwordloc+1] = goodline
535
			end
536 537
		end
	end
Ted Trask's avatar
Ted Trask committed
538 539 540 541
	-- Reset bad to reduce number of bad hits if score is zero
	-- if wrdcnt == 0 then
	-- isbad=0
	-- end
542 543 544

	logentry.score=wrdcnt
	logentry.badyesno=isbad
545 546
	logentry.wordloc=table.concat(badwordloc,"|")
	logentry.gwordloc=table.concat(goodwordloc,"|")
547 548 549 550 551 552 553 554 555 556 557
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

558 559 560
	local logentry = {logdatetime=words[1],
		elapsed=words[2],
		clientip=words[3],
Ted Trask's avatar
Ted Trask committed
561 562
		code=string.match(words[4] or "", "^[^/]*"),
		status=string.match(words[4] or "", "[^/]*$"),
563
		bytes=words[5],
Ted Trask's avatar
Ted Trask committed
564
		method=words[6],
565
		URL=words[7],
566
		clientuserid=string.gsub(words[8],"%%(%x%x)",""),
Ted Trask's avatar
Ted Trask committed
567
		peerstatus=string.match(words[9] or "", "^[^/]*"),
568 569 570
		peerhost=string.match(words[9] or "", "[^/]*$"),
		squarkcategory=string.match(words[11] or "", "^[^,]*"),
		squarkaction=string.match(words[11] or "", "[^,]*$")}
Ted Trask's avatar
Ted Trask committed
571

572
	checkwords(logentry)
573

Ted Trask's avatar
Ted Trask committed
574 575
	-- 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
576 577 578
		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
579 580 581 582 583
		end
	end
	return nil
end

584
local function parsedglog(line)
585
	local words = format.string_to_table(line, "\t")
586 587 588 589 590 591 592
	local logentry = {logdatetime=words[1],
			clientuserid=words[2],
			clientip=words[3],
			URL=words[4],
			reason=words[5],
			method=words[6],
			bytes=words[7],
593 594
			shortreason=words[9],
			deniedyesno=1}
Ted Trask's avatar
Ted Trask committed
595

596
	checkwords(logentry)
Ted Trask's avatar
Ted Trask committed
597 598 599 600 601

	if logentry.reason and logentry.reason ~= "" then
           	if logentry.shortreason == "" then
           		logentry.shortreason = logentry.reason
           	end
602
		--logentry.score = string.match(logentry.reason, "^.*: ([0-9]+) ")
603
		logentry.logdatetime = string.gsub(logentry.logdatetime, "%.", "-")
Ted Trask's avatar
Ted Trask committed
604 605 606 607 608
	   	return logentry
	end
	return nil
end

Ted Trask's avatar
Ted Trask committed
609 610 611 612 613 614 615 616 617
-- ################################################################################
-- 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
618 619
		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
620 621 622 623 624 625 626 627 628 629
		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
630 631
	elseif source.method == "local" then
		success = true
Ted Trask's avatar
Ted Trask committed
632 633 634 635 636 637 638 639 640 641 642 643 644 645
	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
646 647
	elseif source.method == "local" then
		candidates = fs.find_files_as_array(nil, source.source)
Ted Trask's avatar
Ted Trask committed
648 649 650 651
	end
	return candidates
end

652 653
local openlogfile = function(source, cookiesfile, logfile)
	local handle
Ted Trask's avatar
Ted Trask committed
654 655
	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"
656 657 658
		if string.find(logfile, "%.gz$") then
			cmd = cmd.." | gunzip -c"
		end
659
		handle = io.popen(cmd)
660
	elseif source.method == "local" then
661 662
		if string.find(logfile, "%.gz$") then
			local cmd = "gunzip -c "..logfile
663
			handle = io.popen(cmd)
664
		else
665
			handle = io.open(logfile)
666
		end
Ted Trask's avatar
Ted Trask committed
667
	end
668
	return handle
Ted Trask's avatar
Ted Trask committed
669 670 671 672 673 674 675
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()
676 677
	elseif source.method == "local" then
		os.remove(logfile)
Ted Trask's avatar
Ted Trask committed
678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727
	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)
728 729 730 731 732 733
	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
734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768
		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" })
769
	source.method = cfe({ type="select", value="local", label="Method", option={"http", "https", "local"} })
Ted Trask's avatar
Ted Trask committed
770 771
	source.userid = cfe({ label="UserID" })
	source.passwd = cfe({ label="Password" })
772
	source.source = cfe({ value="/var/log", label="Source Location / Address" })
Ted Trask's avatar
Ted Trask committed
773 774 775 776 777 778 779 780 781 782 783 784 785
	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
786 787
		-- remove spaces from sourcename
		source.sourcename = string.gsub(source.sourcename, "%s+$", "")
Ted Trask's avatar
Ted Trask committed
788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864

		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
	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

865 866
-- import a logfile and delete logfile after
local function importlogfile(source, cookiesfile, file, parselog_func)
Ted Trask's avatar
Ted Trask committed
867
	logme("Getting " .. file )
868
	local loghandle = openlogfile(source, cookiesfile, file)
Ted Trask's avatar
Ted Trask committed
869
	logme("Processing " .. file )
870 871 872
	local res, err = pcall(function()
		con:execute("START TRANSACTION")
		for line in loghandle:lines() do
873 874 875
			assert(con:execute("SAVEPOINT before_line"))
			local res2, err2 = pcall(function()
				local logentry = parselog_func(line)
876
				importlogentry(logentry, source.sourcename)
877 878 879 880 881 882
			end)
			if not res2 then
				if (config.stoponerror == "true") then
					pcall(function() con:execute("ROLLBACK") end)
				else
					assert(con:execute("ROLLBACK TO before_line"))
883
					con:execute("COMMIT")
884 885 886
				end
				pcall(function() logme("Exception on line:"..line) end)
				if err2 then
Ted Trask's avatar
Ted Trask committed
887
					pcall(function() logme(err2) end)
888 889 890
				end
				if (config.stoponerror == "true") then
					assert(res2, "Import halted on exception")
891 892
				else
					con:execute("START TRANSACTION")
893
				end
894 895
			else
				assert(con:execute("RELEASE SAVEPOINT before_line"))
896
			end
897 898 899 900 901 902 903 904
		end
		con:execute("COMMIT")
	end)
	if not res then
		pcall(function() con:execute("ROLLBACK") end)
		if err then
			pcall(function() logme(err) end)
		end
905
	end
906
	loghandle:close()
907 908 909 910 911
	if res then
		logme("Deleting " .. file )
		deletelogfile(source, cookiesfile, file)
	end
	return res
912 913
end

Ted Trask's avatar
Ted Trask committed
914 915 916
function importlogs()
	local result = cfe({ label="Weblog Import Logs Result" })
	local count = 0
917
	local success = true
Ted Trask's avatar
Ted Trask committed
918 919 920 921 922

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

		-- Download, parse, and import the logs
923 924 925 926
		logme("Executing importlogs")
		logme("Analyzing...")
		local sql = "ANALYZE"
		res = assert (con:execute(sql))
927 928 929 930 931 932

		-- 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 {}

933 934
		-- Determine sources
		local sources = listsourceentries(sourcename)
Ted Trask's avatar
Ted Trask committed
935

Ted Trask's avatar
Ted Trask committed
936 937 938 939 940 941 942
		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
943
						if string.match(file, "dansguardian/access%.log[%.%-]") then
Ted Trask's avatar
Ted Trask committed
944
							count = count + 1
945
							success = importlogfile(source, cookiesfile, file, parsedglog) and success
Ted Trask's avatar
Ted Trask committed
946
						elseif string.match(file, "squid/access%.log[%.%-]") then
Ted Trask's avatar
Ted Trask committed
947
							count = count + 1
948
							success = importlogfile(source, cookiesfile, file, parsesquidlog) and success
Ted Trask's avatar
Ted Trask committed
949 950 951 952 953 954 955 956
						end
					end
				end
				os.remove(cookiesfile)
			end
		end

		-- Process the logs
957 958
		if success then
			updateusagestats()
959
			importpubweblog()
960
		end
Ted Trask's avatar
Ted Trask committed
961 962 963 964 965 966 967
		-- Purge old database entries
		groomusagestat()
		groomdbhistlog()
		groompublogs()

		databasedisconnect()
	end)
968
	if not res or not success then
Ted Trask's avatar
Ted Trask committed
969 970 971 972 973
		result.errtxt = "Import Logs Failure"
		if err then
			pcall(function() logme(err) end)
			result.errtxt = result.errtxt .. "\n" .. err
		end
974
		pcall(function() databasedisconnect() end)
Ted Trask's avatar
Ted Trask committed
975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995
	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

996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009
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
1010
			s,params.starttime.errtxt,params.starttime.value = convertdatabaseentry("TIMESTAMP", params.starttime.value)
1011 1012 1013
			success = success and s
		end
		if params.endtime.value ~= "" then
1014
			s,params.endtime.errtxt,params.endtime.value = convertdatabaseentry("TIMESTAMP", params.endtime.value)
1015 1016 1017
			success = success and s
		end
		if params.focus.value ~= "" then
1018
			s,params.focus.errtxt,params.focus.value = convertdatabaseentry("TIMESTAMP", params.focus.value)
1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031
			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

1032
local handleparameters = function(activelog, clientuserid, starttime, endtime, clientip, badyesno, deniedyesno, bypassyesno, score, urisearch, sortby, selected, focus)
Ted Trask's avatar
Ted Trask committed
1033
	local result = {}
1034
	result.activelog = cfe({ value=activelog or "pubweblog", label="Active Weblog" })
Ted Trask's avatar
Ted Trask committed
1035 1036 1037 1038
	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" })
1039 1040 1041 1042 1043 1044 1045
	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
1046
	result.window = cfe({ value=config.window or "5", label="Time Window" })
1047
	result.focus = cfe({ value=focus or "", label="Focus Time" })
Ted Trask's avatar
Ted Trask committed
1048 1049 1050
	return result
end

Ted Trask's avatar
Ted Trask committed
1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062
function geteditselected()
	local result = {}
	result.select = cfe({ type="list", value={}, label="Entries to mark as selected" })
	result.deselect = cfe({ type="list", value={}, label="Entries to mark as selected" })
	return cfe({ type="group", value=result, label="Select / Deselect log entries" })
end

function editselected(data)
	local res, err = pcall(function()
		databaseconnect(DatabaseOwner)
		con:execute("START TRANSACTION")
		for i,sel in ipairs(data.value.select.value) do
1063
			assert (con:execute("UPDATE pubweblog SET selected = true WHERE id = '"..escape(sel).."'"))
Ted Trask's avatar
Ted Trask committed
1064
		end
Ted Trask's avatar
Ted Trask committed
1065
		for i,sel in ipairs(data.value.deselect.value) do
1066
			assert (con:execute("UPDATE pubweblog SET selected = false WHERE id = '"..escape(sel).."'"))
Ted Trask's avatar
Ted Trask committed
1067 1068 1069 1070 1071 1072
		end
		con:execute("COMMIT")
		databasedisconnect()
	end)
	if not res then
		data.errtxt = err
Ted Trask's avatar
Ted Trask committed
1073
	end
Ted Trask's avatar
Ted Trask committed
1074
	return data
1075 1076 1077
end

function clearselected()
1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088
	local retval = cfe({ label="Clear selected records" })
	local res, err = pcall(function()
		sql = "UPDATE pubweblog SET selected = false WHERE selected = true"
		databaseconnect(DatabaseOwner)
		assert (con:execute(sql))
		databasedisconnect()
		retval.value = "Cleared"
	end)
	if not res then
		retval.errtxt = err
	end
Ted Trask's avatar
Ted Trask committed
1089
	return retval
1090 1091 1092 1093 1094 1095
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
1096

Ted Trask's avatar
Ted Trask committed
1097
	if (not starttime or starttime=="") and (not endtime or endtime=="") and config.auditstart~="" and config.auditend~="" then
Ted Trask's avatar
Ted Trask committed
1098 1099
		starttime = config.auditstart
		endtime = config.auditend
Ted Trask's avatar
Ted Trask committed
1100
	end
Ted Trask's avatar
Ted Trask committed
1101

Ted Trask's avatar
Ted Trask committed
1102 1103
	if config.badyesno=="true" then
		badyesno = '1'
Ted Trask's avatar
Ted Trask committed
1104
	end
Ted Trask's avatar
Ted Trask committed
1105

1106
	if (not score or score=="") and config.minimumscore~="" then
Ted Trask's avatar
Ted Trask committed
1107
		score = config.minimumscore
1108
	end
Ted Trask's avatar
Ted Trask committed
1109

1110
	if (not sortby or sortby=="") and config.sortby~="" then
Ted Trask's avatar
Ted Trask committed
1111
		sortby = config.sortby
1112
	end
Ted Trask's avatar
Ted Trask committed
1113

1114
	local result = handleparameters(activelog, clientuserid, starttime, endtime, clientip, badyesno, deniedyesno, bypassyesno, score, urisearch, sortby, selected, focus)
Ted Trask's avatar
Ted Trask committed
1115
	result.log = cfe({ type="list", value={}, label="Weblog Access Log" })
1116 1117 1118 1119
	local success = validateparameters(result)
	if success then
		local res, err = pcall(function()
			databaseconnect(DatabaseUser)
1120
			result.log.value = listpubweblogentries(activelog, clientuserid, starttime, endtime, clientip, badyesno, deniedyesno, bypassyesno, score, urisearch, sortby, selected ) or {}
1121 1122 1123 1124 1125
			databasedisconnect()
		end)
	else
		err = "Invalid search parameters"
	end
Ted Trask's avatar
Ted Trask committed
1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142
	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

1143 1144 1145 1146 1147 1148 1149 1150 1151
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)
1152
			result.stats.value = groupflaggedlogentries(config.auditstart, config.auditend, result.groupby.value) or {}
1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171
			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
1172 1173 1174

function getconfig()
	local result = {}
Ted Trask's avatar
Ted Trask committed
1175 1176 1177 1178 1179 1180 1181
	result.auditstart = cfe({ value=config.auditstart or "", label="Audit Start Time", seq=1 })
	result.auditend = cfe({ value=config.auditend or "", label="Audit End Time", seq=2 })
	result.badyesno = cfe({ type="boolean", value=(config.badyesno == "1"), label="Display Suspect Records", descr="Show only records flagged as suspect on initial display", seq=3 })
	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"}, seq=4 })
	result.minimumscore = cfe({ value=config.minimumscore or "0", label="Minimum Score", descr="Minimum Score to search for", seq=5 })
	result.window = cfe({ value=config.window or "5", label="Time Window", descr="Minutes of activity to display before and after selected block", seq=6 })
	result.purgedays = cfe({ value=config.purgedays or "30", label="Days before Purge", descr="Days to keep history, regardless of audit", seq=10 })
Ted Trask's avatar
Ted Trask committed
1182
	result.groupby = cfe({ type="select", value=config.groupby or "clientuserid", label="Group results by", option={"clientuserid", "clientip"}, seq=7 })
Ted Trask's avatar
Ted Trask committed
1183 1184 1185
	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", seq=7 })
	result.shortreason = cfe({ type="boolean", value=(config.shortreason == "true"), label="Short Reason", descr="Display a short reason (dansguardian only)", seq=8 })
	result.stoponerror = cfe({ type="boolean", value=(config.stoponerror == "true"), label="Stop on Error", descr="Stop import of logs if an error is encountered", seq=11})
Ted Trask's avatar
Ted Trask committed
1186 1187 1188
	return cfe({ type="group", value=result, label="Weblog Config" })
end

1189
local function validateconfig(newconfig)
Ted Trask's avatar
Ted Trask committed
1190 1191
	local success = modelfunctions.validateselect(newconfig.value.groupby)
	success = modelfunctions.validateselect(newconfig.value.sortby) and success
Ted Trask's avatar
Ted Trask committed
1192 1193 1194 1195 1196 1197
	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
1198
	end
Ted Trask's avatar
Ted Trask committed
1199 1200 1201
	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
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
	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, "", "purgedays", newconfig.value.purgedays.value)
Ted Trask's avatar
Ted Trask committed
1231
		configcontent = format.update_ini_file(configcontent, "", "groupby", newconfig.value.groupby.value)
Ted Trask's avatar
Ted Trask committed
1232
		configcontent = format.update_ini_file(configcontent, "", "shorturi", tostring(newconfig.value.shorturi.value))
1233
		configcontent = format.update_ini_file(configcontent, "", "shortreason", tostring(newconfig.value.shortreason.value))
1234
		configcontent = format.update_ini_file(configcontent, "", "stoponerror", tostring(newconfig.value.stoponerror.value))
1235 1236 1237
		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
1238

Ted Trask's avatar
Ted Trask committed
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 1281 1282 1283
		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
1284
				row = cur:fetch (row, "a")
Ted Trask's avatar
Ted Trask committed
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 1362 1363 1364
			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
1365

Ted Trask's avatar
Ted Trask committed
1366 1367 1368 1369 1370 1371 1372 1373 1374
	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
1375

1376 1377
function listfiles()
        local retval = cfe({ type="list", value={}, label="Weblog Files" })
Ted Trask's avatar
Ted Trask committed
1378 1379 1380 1381 1382
	for i,file in ipairs(files) do
		local details = fs.stat(file) or {}
		details.filename = file
		retval.value[#retval.value + 1] = details
	end
1383 1384
        return retval
end
Ted Trask's avatar
Ted Trask committed
1385

1386
function readfile(filename)
Ted Trask's avatar
Ted Trask committed
1387
	return modelfunctions.getfiledetails(filename, files)
1388
end
Ted Trask's avatar
Ted Trask committed
1389

1390
function updatefile(filedetails)
Ted Trask's avatar
Ted Trask committed
1391
	return modelfunctions.setfiledetails(filedetails, files)
1392
end