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|
local mymodule = {}
-- Load libraries
modelfunctions = require("modelfunctions")
fs = require("acf.fs")
format = require("acf.format")
validator = require("acf.validator")
luasql = require("luasql.postgres")
posix = require("posix")
subprocess = require("subprocess")
local DatabaseName = "webproxylog"
local DatabaseOwner = "weblogowner"
local DatabaseUser = "webloguser"
local path = "PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin "
local env
local con
local configfile = "/etc/weblog/weblog.conf"
local configcontent = fs.read_file(configfile) or ""
local config = format.parse_ini_file(configcontent, "") or {}
local goodwordslist = "/etc/weblog/goodwords"
local goodwords
local badwordslist = "/etc/weblog/badwords"
local badwords
local ignorewordslist = "/etc/weblog/ignorewords"
local ignorewords
local files = {badwordslist, goodwordslist, ignorewordslist, configfile}
local database_creation_script = {
"CREATE TABLE dbhistlog (logdatetime timestamp(3) without time zone NOT NULL, msgtext text)",
"CREATE TABLE pubweblog(sourcename character varying(40), clientip inet NOT NULL, clientuserid character varying(64) NOT NULL, logdatetime timestamp(3) without time zone NOT NULL, uri text NOT NULL, bytes 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)",
"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)",
"CREATE TABLE source (sourcename character varying(40) NOT NULL, method character varying(100) NOT NULL, userid character varying(32), passwd character varying(255), source character varying(255) NOT NULL, tzislocal boolean, enabled boolean)",
"CREATE TABLE usagestat (sourcename character varying(40) NOT NULL, date timestamp(0) without time zone NOT NULL, numrequest integer, numblock integer)",
"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)",
"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)",
"GRANT SELECT ON dbhistlog TO "..DatabaseUser,
"GRANT SELECT ON pubweblog TO "..DatabaseUser,
"GRANT SELECT ON pubweblog_history TO "..DatabaseUser,
"GRANT SELECT, UPDATE, INSERT, DELETE ON source TO "..DatabaseUser,
"GRANT SELECT ON usagestat TO "..DatabaseUser,
}
-- ################################################################################
-- DATABASE FUNCTIONS
local function assert (v, m)
if not v then
m = m or "Assertion failed!"
error(m, 0)
end
return v, m
end
-- Escape special characters in sql statements and truncate to length
local escape = function(sql, length)
sql = sql or ""
if length then sql = string.sub(sql, 1, length) end
return con:escape(sql)
end
-- List the postgres databases on this system
local listdatabases = function()
local dbs = {}
local result = modelfunctions.run_executable({"psql", "-U", "postgres", "-tl"})
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 = "CREATE USER "..DatabaseOwner.." WITH PASSWORD '"..password.."'"
local cmdresult, errtxt = modelfunctions.run_executable({"psql", "-U", "postgres", "-c", cmd}, true)
table.insert(result, errtxt)
table.insert(result, cmdresult)
cmd = "CREATE USER "..DatabaseUser
cmdresult, errtxt = modelfunctions.run_executable({"psql", "-U", "postgres", "-c", cmd}, true)
table.insert(result, errtxt)
table.insert(result, cmdresult)
-- Create the database
cmd = "CREATE DATABASE "..DatabaseName.." WITH OWNER "..DatabaseOwner
cmdresult, errtxt = modelfunctions.run_executable({"psql", "-U", "postgres", "-c", cmd}, true)
table.insert(result, errtxt)
table.insert(result, cmdresult)
return table.concat(result, "\n")
end
-- Delete the database and roles
local deletedatabase = function()
local result = {}
local cmd = "DROP DATABASE "..DatabaseName
local cmdresult, errtxt = modelfunctions.run_executable({"psql", "-U", "postgres", "-c", cmd}, true)
table.insert(result, errtxt)
table.insert(result, cmdresult)
cmd = "DROP ROLE "..DatabaseUser
cmdresult, errtxt = modelfunctions.run_executable({"psql", "-U", "postgres", "-c", cmd}, true)
table.insert(result, errtxt)
table.insert(result, cmdresult)
cmd = "DROP ROLE "..DatabaseOwner
cmdresult, errtxt = modelfunctions.run_executable({"psql", "-U", "postgres", "-c", cmd}, true)
table.insert(result, errtxt)
table.insert(result, cmdresult)
return table.concat(result, "\n")
end
-- Run an SQL script
local runSQLscript = function(filename)
local result, errtxt = modelfunctions.run_executable({"psql", "-U", "postgres", "-f", filename, DatabaseName}, true)
return errtxt or result
end
-- Create the database and tables
-- pg_dump -U postgres -c webproxylog > makeweblog.postgres
--runSQLscript("/root/work/weblog/makeweblog.postgres")
local databaseconnect = function(username, password)
if not con then
-- create environment object
env = assert (luasql.postgres())
-- connect to data source
con = assert (env:connect(DatabaseName, username, password))
end
end
local databasedisconnect = function()
if env then
env:close()
env = nil
end
if con then
con:close()
con = nil
end
end
local logme = function(message)
local sql = string.format("INSERT INTO dbhistlog VALUES ('now', '%s')", escape(message))
local res = assert (con:execute(sql))
end
local listhistorylogentries = function()
local entries = {}
-- retrieve a cursor
cur = assert (con:execute"SELECT logdatetime, msgtext from dbhistlog ORDER BY logdatetime")
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
local importlogentry = function(entry, sourcename)
if entry then
local sql = string.format("INSERT INTO weblog VALUES ('%s', '%s', '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s')",
escape(sourcename), escape(entry.clientip), escape(entry.clientuserid, 64):lower(),
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))
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)
local sql = "insert into usagestat select weblog.sourcename, " ..
"date_trunc('hour', weblog.logdatetime) as date, " ..
"count(*), SUM(deniedyesno) from weblog group by sourcename,date"
local res = assert (con:execute(sql))
end
-- 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
-- Delete useage stats from more than a year ago
local groomusagestat = function()
local res = assert (con:execute("delete from usagestat where " ..
"date < (now() - INTERVAL '1 year')"))
logme("removed " .. res .. " old usage status lines")
end
-- Delete history log information from more than a month ago
local groomdbhistlog = function()
local res = assert (con:execute("delete from dbhistlog where " ..
"logdatetime < (now() - INTERVAL '1 month')"))
logme("removed " .. res .. " old dbhistlog lines")
end
-- Delete old junk from pub tables
local groompublogs = function()
local purgedays = config.purgedays or 30
local now = os.time()
local temp = os.date("%Y-%m-%d %H:%M:%S", now - purgedays*86400)
logme("Purgedate is " .. temp .. ". Nothing will exist in pubweblog from before purgedate.")
-- Move flagged records to histoy and then purge anything older than purgedate
sql = "Insert into pubweblog_history select * from pubweblog where logdatetime < '" .. escape(temp) .."' and (badyesno > 0 or deniedyesno > 0 or bypassyesno > 0 or selected = 'true')"
res = assert (con:execute(sql))
logme("Moved " .. res .. " old records to history")
sql = "Delete from pubweblog where logdatetime < '" .. escape(temp) .."'"
res = assert (con:execute(sql))
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")
end
local generatewhereclause = function(clientuserid, starttime, endtime, clientip, badyesno, deniedyesno, bypassyesno, score, urisearch, selected, sourcename)
local sql = ""
local where = {}
if clientuserid and clientuserid ~= "" then
where[#where+1] = "clientuserid LIKE '%"..escape(clientuserid).."%'"
end
if starttime and starttime ~= "" then
where[#where+1] = "logdatetime >= '"..escape(starttime).."'"
end
if endtime and endtime ~= "" then
where[#where+1] = "logdatetime <= '"..escape(endtime).."'"
end
if clientip and clientip ~= "" then
where[#where+1] = "clientip = '"..escape(clientip).."'"
end
if badyesno then
where[#where+1] = "badyesno = '1'"
end
if deniedyesno then
where[#where+1] = "deniedyesno = '1'"
end
if bypassyesno then
where[#where+1] = "bypassyesno = '1'"
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 then
where[#where+1] = "selected = 'true'"
end
if sourcename and #sourcename > 0 then
tmp = {}
for i,s in pairs(sourcename) do
tmp[#tmp+1] = "sourcename = '"..escape(s).."'"
end
where[#where+1] = "("..table.concat(tmp, " OR ")..")"
end
if #where > 0 then
sql = " WHERE " .. table.concat(where, " AND ")
end
return sql
end
local listlogentries = function(activelog, clientuserid, starttime, endtime, clientip, badyesno, deniedyesno, bypassyesno, score, urisearch, sortby, selected, sourcename)
local entries = {}
-- retrieve a cursor
local sql = "SELECT * FROM "..escape(activelog)
sql = sql .. generatewhereclause(clientuserid, starttime, endtime, clientip, badyesno, deniedyesno, bypassyesno, score, urisearch, selected, sourcename)
sql = sql .. " ORDER BY "..escape(sortby)
cur = assert (con:execute(sql))
row = cur:fetch ({}, "a")
while row do
if config.shorturi == "true" then
shorturi=string.gsub(row.uri, "[;?].*", "...")
end
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 }
if (config.shortreason ~= "true") then
entries[#entries].shortreason = nil
end
row = cur:fetch (row, "a")
end
-- close everything
cur:close()
return entries
end
local groupflaggedlogentries = function(starttime, endtime, groupby)
groupby = groupby or "clientuserid"
local entries = {}
-- retrieve a cursor
local sql = "SELECT "..escape(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)
sql = sql .. " GROUP BY " ..escape(groupby).. " ORDER BY numflagged DESC"
cur = assert (con:execute(sql))
row = cur:fetch ({}, "a")
while row do
entries[#entries+1] = {numrecords=row.numrecords, numflagged=row.numflagged, numhits=row.numhits, numdenied=row.numdenied, numbypassed=row.numbypassed, maxscore=row.maxscore}
entries[#entries][groupby] = row[groupby]
row = cur:fetch (row, "a")
end
-- close everything
cur:close()
return entries
end
local listusagestats = function()
local entries = {}
-- retrieve a cursor
local sql = "SELECT sourcename, date, sum(numrequest) AS numrequest, sum(numblock) AS numblock " ..
"FROM usagestat GROUP BY sourcename, date ORDER BY date, sourcename"
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
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
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 ('"..escape(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
local printtableentries = function(tablename)
-- retrieve a cursor
local count = 0
cur = assert (con:execute("SELECT * from "..escape(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
mymodule.logevent(name.." = "..val..", ")
end
row = cur:fetch (row, "a")
end
-- close everything
cur:close()
mymodule.logevent("Table "..tablename.." contains "..count.." rows")
end
-- ################################################################################
-- LOG FILE FUNCTIONS
local function checkwords(logentry)
local goodwordloc={}
local badwordloc={}
local wrdcnt=0
local isbad=0
--check for ignored records first
for i,thisline in ipairs(ignorewords) do
if not thisline then
break
end
-- ignore blank lines
if string.find(thisline, "%S") then
_,instcnt = string.lower(logentry.URL):gsub(format.escapemagiccharacters(thisline), " ")
if instcnt ~= 0 then
logentry.ignoreme = true
--logme("ignoring...")
break
end
end
end
if not logentry.ignoreme then
--proceed with record analysis
for i,thisline in ipairs(badwords) do
if not thisline then
break
end
-- ignore blank lines
if string.find(thisline, "%S") then
_,instcnt = string.lower(logentry.URL):gsub(format.escapemagiccharacters(thisline), " ")
if instcnt ~= 0 then
-- logme("instcnt = "..instcnt)
isbad=1
wrdcnt= wrdcnt + instcnt
badwordloc[#badwordloc+1] = thisline
end
end
end
--check for DansGuardian actions
if (logentry.reason and logentry.reason ~= "") then
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
end
--check for Squark actions
if (logentry.squarkaction and logentry.squarkaction ~= "") then
--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
end
--check for Squark category
if (logentry.squarkcategory and logentry.squarkcategory ~= "") then
logentry.reason = logentry.squarkcategory
logentry.shortreason = logentry.squarkcategory
end
for i,goodline in ipairs(goodwords) do
if not goodline then
break
end
-- ignore blank lines
if string.find(goodline, "%S") then
_,instcnt = string.lower(logentry.URL):gsub(format.escapemagiccharacters(goodline), " ")
--if string.find(logentry.URL,goodline) then
if instcnt ~= 0 then
if wrdcnt >= instcnt then
wrdcnt = wrdcnt - instcnt
else
wrdcnt = 0
end
goodwordloc[#goodwordloc+1] = goodline
end
end
end
end
-- Reset bad to reduce number of bad hits if score is zero
-- if wrdcnt == 0 then
-- isbad=0
-- end
logentry.score=wrdcnt
logentry.badyesno=isbad
logentry.wordloc=table.concat(badwordloc,"|")
logentry.gwordloc=table.concat(goodwordloc,"|")
end
local function parsesquidlog(line)
-- Format of squid log (space separated):
-- time elapsed remotehost code/status bytes method URL rfc931 peerstatus/peerhost ? squarkcategory/squarkaction
local words = {}
for word in string.gmatch(line, "%S+") do
words[#words+1] = word
end
local logentry = {logdatetime=words[1],
elapsed=words[2],
clientip=words[3],
code=string.match(words[4] or "", "^[^/]*"),
status=string.match(words[4] or "", "[^/]*$"),
bytes=words[5],
method=words[6],
URL=words[7],
clientuserid=words[8],
peerstatus=string.match(words[9] or "", "^[^/]*"),
peerhost=string.match(words[9] or "", "[^/]*$"),
squarkcategory=string.match(words[11] or "", "^[^,]*"),
squarkaction=string.match(words[11] or "", "[^,]*$")}
checkwords(logentry)
-- Don't care about TCP_DENIED so apps like dropbox, nokia connection
-- suite does not flood our logs.
if logentry.code == nil or logentry.code == "TCP_DENIED" then
return nil
end
-- 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
logentry.logdatetime = os.date("%Y-%m-%d %H:%M:%S", logentry.logdatetime)..string.match(logentry.logdatetime, "%..*")
return logentry
end
return nil
end
local function parsedglog(line)
local words = format.string_to_table(line, "\t")
local logentry = {logdatetime=words[1],
clientuserid=words[2],
clientip=words[3],
URL=words[4],
reason=words[5],
method=words[6],
bytes=words[7],
shortreason=words[9],
deniedyesno=1}
checkwords(logentry)
if logentry.reason and logentry.reason ~= "" then
if logentry.shortreason == "" then
logentry.shortreason = logentry.reason
end
--logentry.score = string.match(logentry.reason, "^.*: ([0-9]+) ")
logentry.logdatetime = string.gsub(logentry.logdatetime, "%.", "-")
return logentry
end
return nil
end
-- ################################################################################
-- DOWNLOAD FILE FUNCTIONS
-- must do apk_add wget first
local connecttosource = function(source, cookiesfile)
local success = false
logme("Connecting to source "..source.sourcename)
if source.method == "http" or source.method == "https" then
fs.write_file(cookiesfile, "password="..source.passwd.."&userid="..source.userid.."&Logon=Logon&submit=true")
local resultpage, errtxt = modelfunctions.run_executable({"wget", "-O", "-", "--no-check-certificate", "--save-cookies", cookiesfile, "--keep-session-cookies", "--post-file", cookiesfile, source.method.."://"..source.source.."/cgi-bin/acf/acf-util/logon/logon"})
if resultpage == "" then
logme("Failed to connect to "..source.sourcename)
elseif string.find(resultpage, "/acf%-util/logon/logon") then
logme("Failed to log on to "..source.sourcename)
else
success = true
end
elseif source.method == "local" then
success = true
end
return success
end
local getlogcandidates = function(source, cookiesfile)
local candidates = {}
if source.method == "http" or source.method == "https" then
local resultpage = modelfunctions.run_executable({"wget", "-O", "-", "--no-check-certificate", "--load-cookies", cookiesfile, source.method.."://"..source.source.."/cgi-bin/acf/alpine-baselayout/logfiles/status"})
-- This method works for view prior to acf-alpine-baselayout-0.12.0
for file in string.gmatch(resultpage, "download%?[^\"]*name=([^\"]+)") do
candidates[#candidates+1] = file
end
-- This method works for view from acf-alpine-baselayout-0.12.0
local reversetable = {}
for file in string.gmatch(resultpage, 'name="filename" value="([^\"]+)"') do
if not reversetable[file] then
candidates[#candidates+1] = file
reversetable[file] = true
end
end
elseif source.method == "local" then
candidates = fs.find_files_as_array(nil, source.source)
end
return candidates
end
local openlogfile = function(source, cookiesfile, logfile)
local handle, handle2, errtxt
if source.method == "http" or source.method == "https" then
local cmd = {"wget", "-O", "-", "--no-check-certificate", "--load-cookies", cookiesfile, "--post-data", "submit=true&viewtype=stream&name="..logfile.."&filename="..logfile, source.method.."://"..source.source.."/cgi-bin/acf/alpine-baselayout/logfiles/download"}
cmd.stdin = "/dev/null"
cmd.stdout = subprocess.PIPE
cmd.stderr = "/dev/null"
local res, err = pcall(function()
-- For security, set the path
posix.setenv("PATH", "/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin")
local proc, errmsg, errno = subprocess.popen(cmd)
if proc then
if string.find(logfile, "%.gz$") then
local cmd2 = {"gunzip", "-c"}
-- Pipe the output of wget into gunzip
cmd2.stdin = proc.stdout
cmd2.stdout = subprocess.PIPE
cmd2.stderr = "/dev/null"
local proc2, errmsg2, errno2 = subprocess.popen(cmd2)
if proc2 then
handle = proc2.stdout
handle2 = proc.stdout
else
proc.stdout:close()
errtxt = errmsg2 or "Unknown failure"
end
else
handle = proc.stdout
end
else
errtxt = errmsg or "Unknown failure"
end
end)
if not res or err then
errtxt = err or "Unknown failure"
end
elseif source.method == "local" then
if string.find(logfile, "%.gz$") then
local res, err = pcall(function()
-- For security, set the path
posix.setenv("PATH", "/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin")
local cmd = {"gunzip", "-c", logfile}
cmd.stdin = "/dev/null"
cmd.stdout = subprocess.PIPE
cmd.stderr = "/dev/null"
local proc, errmsg, errno = subprocess.popen(cmd)
if proc then
handle = proc.stdout
else
errtxt = errmsg or "Unknown failure"
end
end)
if not res or err then
errtxt = err or "Unknown failure"
end
else
handle = io.open(logfile)
end
end
return handle, handle2
end
local deletelogfile = function(source, cookiesfile, logfile)
if source.method == "http" or source.method == "https" then
modelfunctions.run_executable({"wget", "-O", "-", "--no-check-certificate", "--load-cookies", cookiesfile, "--post-data", "submit=true&name="..logfile.."&filename="..logfile, source.method.."://"..source.source.."/cgi-bin/acf/alpine-baselayout/logfiles/delete"})
elseif source.method == "local" then
os.remove(logfile)
end
end
-- ################################################################################
-- PUBLIC FUNCTIONS
function mymodule.getsourcelist()
local retval = cfe({ type="structure", 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 mymodule.getsource(sourcename)
local sourcedata = mymodule.getnewsource()
sourcedata.value.sourcename.value = sourcename
sourcedata.value.sourcename.errtxt = "Source name does not exist"
sourcedata.value.sourcename.readonly = true
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)
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
if sourcedata.value[name].value == "" then
sourcedata.value[name].errtxt = "Cannot be empty"
success = false
end
end
return success
end
function mymodule.updatesource(self, 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 mymodule.getnewsource()
local source = {}
source.sourcename = cfe({ label="Source Name", seq=0 })
source.method = cfe({ type="select", value="local", label="Method", option={"http", "https", "local"}, seq=3 })
source.userid = cfe({ label="UserID", seq=4 })
source.passwd = cfe({ type="password", label="Password", seq=5 })
source.source = cfe({ value="/var/log", label="Source Location / Address", seq=2 })
source.tzislocal = cfe({ type="boolean", value=false, label="Using local timezone", seq=6 })
source.enabled = cfe({ type="boolean", value=false, label="Enabled", seq=1 })
return cfe({ type="group", value=source, label="Source" })
end
function mymodule.createsource(self, 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
-- remove spaces from sourcename
source.sourcename = string.gsub(source.sourcename, "%s+$", "")
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 mymodule.getdeletesource(self, clientdata)
local retval = {}
retval.sourcename = cfe({ value=clientdata.sourcename or "", label="Source Name" })
return cfe({ type="group", value=retval, label="Delete Source" })
end
function mymodule.deletesource(self, delsource)
delsource.errtxt="Failed to delete source"
local res, err = pcall(function()
databaseconnect(DatabaseUser)
local number = deletesourceentry(delsource.value.sourcename.value)
databasedisconnect()
if number > 0 then
delsource.errtxt = nil
else
delsource.value.sourcename.errtxt = "Failed to find source"
end
end)
if not res and err then
delsource.errtxt = delsource.errtxt .. "\n" .. err
end
return delsource
end
function mymodule.gettestsource(self, clientdata)
local retval = {}
retval.sourcename = cfe({ value=clientdata.sourcename or "", label="Source Name" })
return cfe({ type="group", value=retval, label="Test Source" })
end
function mymodule.testsource(self, test)
-- temporary override of logme function to capture messages to result.value
test.descr = {}
local temp = logme
logme = function(message) table.insert(test.descr, message) end
test.errtxt = "Test Failed"
local cookiesfile = "/tmp/cookies-"..tostring(os.time())
local res, err = pcall(function()
databaseconnect(DatabaseUser)
local sources = listsourceentries(test.value.sourcename.value)
databasedisconnect()
if #sources < 1 then
test.value.sourcename.errtxt = "Failed to find source"
else
local source = sources[1]
-- run the test
if connecttosource(source, cookiesfile) then
local files = getlogcandidates(source, cookiesfile)
test.errtxt = nil
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 err and not res then
test.errtxt = test.errtxt .. "\n" .. err
end
os.remove(cookiesfile)
-- fix the result
test.descr = table.concat(test.descr, "\n") or ""
logme = temp
return test
end
-- import a logfile and delete logfile after
local function importlogfile(source, cookiesfile, file, parselog_func)
logme("Getting " .. file )
local loghandle, loghandle2 = openlogfile(source, cookiesfile, file)
if not loghandle then
logme("Failed to get " .. file )
return
end
logme("Processing " .. file )
local res, err = pcall(function()
con:execute("START TRANSACTION")
for line in loghandle:lines() do
assert(con:execute("SAVEPOINT before_line"))
local res2, err2 = pcall(function()
local logentry = parselog_func(line)
importlogentry(logentry, source.sourcename)
end)
if not res2 then
if (config.stoponerror == "true") then
pcall(function() con:execute("ROLLBACK") end)
else
assert(con:execute("ROLLBACK TO before_line"))
con:execute("COMMIT")
end
pcall(function() logme("Exception on line:"..line) end)
if err2 then
pcall(function() logme(err2) end)
end
if (config.stoponerror == "true") then
assert(res2, "Import halted on exception")
else
con:execute("START TRANSACTION")
end
else
assert(con:execute("RELEASE SAVEPOINT before_line"))
end
end
con:execute("COMMIT")
end)
if not res then
pcall(function() con:execute("ROLLBACK") end)
if err then
pcall(function() logme(err) end)
end
end
loghandle:close()
if loghandle2 then
loghandle2:close()
end
if res then
logme("Deleting " .. file )
deletelogfile(source, cookiesfile, file)
end
return res
end
function mymodule.getimportlogs(self, clientdata)
local retval = {}
return cfe({ type="group", value=retval, label="Import Logs" })
end
function mymodule.importlogs(self, import)
local count = 0
local success = true
local res, err = pcall(function()
databaseconnect(DatabaseOwner, config.password)
-- Download, parse, and import the logs
logme("Executing importlogs")
logme("Analyzing...")
local sql = "ANALYZE"
res = assert (con:execute(sql))
-- 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 {}
-- Determine sources
local sources = listsourceentries(sourcename)
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
if string.match(file, "dansguardian/access%.log[%.%-]") then
count = count + 1
success = importlogfile(source, cookiesfile, file, parsedglog) and success
elseif string.match(file, "squid/access%.log[%.%-]") then
count = count + 1
success = importlogfile(source, cookiesfile, file, parsesquidlog) and success
end
end
end
os.remove(cookiesfile)
end
end
-- Process the logs
if success then
updateusagestats()
importpubweblog()
end
-- Purge old database entries
groomusagestat()
groomdbhistlog()
groompublogs()
databasedisconnect()
end)
if not res or not success then
import.errtxt = "Import Logs Failure"
if err then
pcall(function() logme(err) end)
import.errtxt = import.errtxt .. "\n" .. err
end
pcall(function() databasedisconnect() end)
else
import.descr = "Imported "..tostring(count).." logs"
end
return import
end
function mymodule.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 mymodule.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 mymodule.editselected(self, data)
local res, err = pcall(function()
databaseconnect(DatabaseOwner)
con:execute("START TRANSACTION")
for i,sel in ipairs(data.value.select.value) do
assert (con:execute("UPDATE pubweblog SET selected = true WHERE id = '"..escape(sel).."'"))
end
for i,sel in ipairs(data.value.deselect.value) do
assert (con:execute("UPDATE pubweblog SET selected = false WHERE id = '"..escape(sel).."'"))
end
con:execute("COMMIT")
databasedisconnect()
end)
if not res then
data.errtxt = err
end
return data
end
function mymodule.getclearselected(self, clientdata)
local retval = {}
return cfe({ type="group", value=retval, label="Clear select fields" })
end
function mymodule.clearselected(self, clear)
clear.errtxt = "Failed to clear select fields"
local res, err = pcall(function()
sql = "UPDATE pubweblog SET selected = false WHERE selected = true"
databaseconnect(DatabaseOwner)
assert (con:execute(sql))
databasedisconnect()
clear.errtxt = nil
end)
if not res then
clear.errtxt = clear.errtxt.."\n"..err
end
return clear
end
local validateweblogparameters = function(params)
local success = modelfunctions.validateselect(params.value.activelog)
success = modelfunctions.validateselect(params.value.sortby) and success
success = modelfunctions.validatemulti(params.value.sourcename) and success
if params.value.clientip.value ~= "" and string.find(params.value.clientip.value, "[^%d%.]") then
params.value.clientip.errtxt = "Invalid IP Address"
success = false
end
if not validator.is_integer(params.value.score.value) then
params.value.score.errtxt = "Must be a number"
success = false
end
local res, err = pcall(function()
databaseconnect(DatabaseUser)
local s
if params.value.starttime.value ~= "" then
s,params.value.starttime.errtxt,params.value.starttime.value = convertdatabaseentry("TIMESTAMP", params.value.starttime.value)
success = success and s
end
if params.value.endtime.value ~= "" then
s,params.value.endtime.errtxt,params.value.endtime.value = convertdatabaseentry("TIMESTAMP", params.value.endtime.value)
success = success and s
end
if params.value.focus.value ~= "" then
s,params.value.focus.errtxt,params.value.focus.value = convertdatabaseentry("TIMESTAMP", params.value.focus.value)
success = success and s
end
databasedisconnect()
end)
if not res and err then
params.value.starttime.errtxt = err
params.value.endtime.errtxt = err
params.value.focus.errtxt = err
success = false
end
return success
end
function mymodule.getweblogparameters(self, clientdata)
local c = mymodule.getconfig()
local result = {}
result.activelog = cfe({ type="select", value="pubweblog", option={"pubweblog", "pubweblog_history"}, label="Active Weblog", seq=1 })
result.starttime = cfe({ value=c.value.auditstart.value, label="Start Time", seq=2 })
result.endtime = cfe({ value=c.value.auditend.value, label="End Time", seq=3 })
result.sourcename = cfe({ type="multi", value={}, label="Source", option={}, seq=4 })
result.clientuserid = cfe({ value=clientdata.clientuserid or "", label="User ID", seq=5 })
result.clientip = cfe({ value=clientdata.clientip or "", label="Client IP", seq=6 })
result.urisearch = cfe({ value="", label="URI Contains", descr="Retrieve records where the URI contains this word", seq=7 })
result.score = cfe({ value=c.value.score.value, label="Minimum Score", descr="Minimum score to search on", seq=8 })
result.sortby = cfe({ type="select", value=c.value.sortby.value, option=c.value.sortby.option, label="Sort By field", descr="Sort by this field when displaying records", seq=9 })
result.badyesno = cfe({ type="boolean", value=c.value.badyesno.value, label="Show Suspect Records", descr="Limit search to records marked as suspect", seq=10 })
result.deniedyesno = cfe({ type="boolean", value=c.value.deniedyesno.value, label="Show Denied Records", descr="Limit search to Denied URIs", seq=11 })
result.bypassyesno = cfe({ type="boolean", value=c.value.bypassyesno.value, label="Show Bypass Records", descr="Limit search to Bypass attempts", seq=12 })
result.selected = cfe({ type="boolean", value=false, label="Show Selected Records", descr="Limit search to records that have been selected", seq=13 })
result.focus = cfe({ value="", label="Focus Time", seq=14 })
-- Get the source options
local res, err = pcall(function()
databaseconnect(DatabaseUser)
local sources = listsourceentries()
for i,s in ipairs(sources) do
result.sourcename.value[#result.sourcename.value + 1] = s.sourcename
result.sourcename.option[#result.sourcename.option + 1] = s.sourcename
end
databasedisconnect()
end)
if err and not res then
result.sourcename.errtxt = err
end
return cfe({ type="group", value=result, label="Weblog Access Log" })
end
function mymodule.getweblog(self, result)
local success = validateweblogparameters(result)
result.value.log = cfe({ type="list", value={}, label="Weblog Access Log" })
result.value.window = cfe({ value=config.window or "5", label="Time Window" })
local err
if success then
local res, err = pcall(function()
databaseconnect(DatabaseUser)
result.value.log.value = listlogentries(result.value.activelog.value, result.value.clientuserid.value, result.value.starttime.value, result.value.endtime.value, result.value.clientip.value, result.value.badyesno.value, result.value.deniedyesno.value, result.value.bypassyesno.value, result.value.score.value, result.value.urisearch.value, result.value.sortby.value, result.value.selected.value, result.value.sourcename.value ) or {}
databasedisconnect()
end)
if not res then
result.errtxt = err
end
else
result.errtxt = "Invalid search parameters"
end
return result
end
function mymodule.getusagestats()
local retval = cfe({ type="list", value={}, label="Weblog Usage Stats" })
local res, err = pcall(function()
databaseconnect(DatabaseUser)
retval.value = listusagestats() or {}
databasedisconnect()
end)
if not res then
retval.errtxt = err
end
return retval
end
function mymodule.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 = groupflaggedlogentries(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 mymodule.getcompleteaudit(self, clientdata)
local retval = {}
retval.timestamp = cfe({ value=clientdata.timestamp or "", label="New Audit End Time" })
return cfe({ type="group", value=retval, label="Complete Audit" })
end
function mymodule.completeaudit(self, complete)
if "" == complete.value.timestamp.value then
local now = os.time()
complete.value.timestamp.value = os.date("%Y-%m-%d %H:%M:%S", now - now%86400 - 86400)
end
local conf = mymodule.getconfig()
conf.value.auditstart.value = conf.value.auditend.value
conf.value.auditend.value = complete.value.timestamp.value
conf = mymodule.updateconfig(self, conf)
if conf.errtxt then
complete.errtxt = "Failed to complete audit\n"..conf.errtxt.."\n"..conf.value.auditend.errtxt
end
return complete
end
function mymodule.getconfig()
local result = {}
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.groupby = cfe({ type="select", value=config.groupby or "clientuserid", label="Group results by", option={"clientuserid", "clientip"}, descr="Display audit results based on user ID or IP", seq=3 })
result.score = cfe({ value=config.score or "0", label="Minimum Score", descr="Default minimum Score to search for", seq=4 })
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"}, descr="Default sort order", seq=5 })
result.badyesno = cfe({ type="boolean", value=(config.badyesno == "true"), label="Display Suspect Records", descr="By default, only show records flagged as suspect", seq=6 })
result.deniedyesno = cfe({ type="boolean", value=(config.deniedyesno == "true"), label="Display Denied Records", descr="By default, only show records with denied URI", seq=7 })
result.bypassyesno = cfe({ type="boolean", value=(config.bypassyesno == "true"), label="Display Bypass Records", descr="By default, only show records with bypass attempts", seq=8 })
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=9 })
result.shortreason = cfe({ type="boolean", value=(config.shortreason == "true"), label="Short Reason", descr="Display a short reason (dansguardian only)", seq=10 })
result.window = cfe({ value=config.window or "5", label="Time Window", descr="Minutes of activity to display before and after selected block", seq=11 })
result.purgedays = cfe({ value=config.purgedays or "30", label="Days before Purge", descr="Days to keep full history, regardless of audit", seq=12 })
result.stoponerror = cfe({ type="boolean", value=(config.stoponerror == "true"), label="Stop on Error", descr="Stop import of logs if an error is encountered", seq=13})
return cfe({ type="group", value=result, label="Weblog Config" })
end
local function validateconfig(newconfig)
local success = modelfunctions.validateselect(newconfig.value.groupby)
success = modelfunctions.validateselect(newconfig.value.sortby) and success
if not validator.is_integer(newconfig.value.score.value) then
newconfig.value.score.errtxt = "Must be a number"
success = false
end
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
end
if not validator.is_integer(newconfig.value.purgedays.value) then
newconfig.value.purgedays.errtxt = "Must be a number"
success = false
end
local res, err = pcall(function()
databaseconnect(DatabaseUser)
local s
if newconfig.value.auditstart.value ~= "" then
s,newconfig.value.auditstart.errtxt,newconfig.value.auditstart.value = convertdatabaseentry("TIMESTAMP", newconfig.value.auditstart.value)
success = success and s
end
if newconfig.value.auditend.value ~= "" then
s,newconfig.value.auditend.errtxt,newconfig.value.auditend.value = convertdatabaseentry("TIMESTAMP", newconfig.value.auditend.value)
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
return success, newconfig
end
function mymodule.updateconfig(self, newconfig)
local success = validateconfig(newconfig)
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)
configcontent = format.update_ini_file(configcontent, "", "groupby", newconfig.value.groupby.value)
configcontent = format.update_ini_file(configcontent, "", "shorturi", tostring(newconfig.value.shorturi.value))
configcontent = format.update_ini_file(configcontent, "", "shortreason", tostring(newconfig.value.shortreason.value))
configcontent = format.update_ini_file(configcontent, "", "stoponerror", tostring(newconfig.value.stoponerror.value))
configcontent = format.update_ini_file(configcontent, "", "badyesno", tostring(newconfig.value.badyesno.value))
configcontent = format.update_ini_file(configcontent, "", "deniedyesno", tostring(newconfig.value.deniedyesno.value))
configcontent = format.update_ini_file(configcontent, "", "bypassyesno", tostring(newconfig.value.bypassyesno.value))
configcontent = format.update_ini_file(configcontent, "", "score", tostring(newconfig.value.score.value))
configcontent = format.update_ini_file(configcontent, "", "sortby", tostring(newconfig.value.sortby.value))
fs.write_file(configfile, configcontent)
config = format.parse_ini_file(configcontent, "") or {}
else
newconfig.errtxt = "Failed to update config"
end
return newconfig
end
function mymodule.getnewadhocquery()
local query = {}
query.query = cfe({ label="Query select statement" })
return cfe({ type="group", value=query, label="Ad-hoc Query" })
end
function mymodule.adhocquery(self, 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.names = cfe({ type="list", value={}, label="Column names" })
query.value.names.value = cur:getcolnames()
query.value.types = cfe({ type="list", value={}, label="Column types" })
query.value.types.value = cur:getcoltypes()
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
row = cur:fetch (row, "a")
end
-- close everything
cur:close()
end
else
query.errtxt = "Query failed"
end
return query
end
function mymodule.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 mymodule.getnewdatabase()
local database = {}
local errtxt
database.password = cfe({ type="password", label="Password", seq=0 })
database.password_confirm = cfe({ type="password", label="Password (confirm)", seq=1 })
local test = mymodule.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 mymodule.create_database(self, 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 = mymodule.testdatabase()
if test.value then
errtxt = "Database already exists!"
success = false
end
if success then
errtxt = createdatabase(database.value.password.value)
test = mymodule.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
if not success then
database.errtxt = "Failed to create database"
if errtxt then
database.errtxt = database.errtxt.."\n"..errtxt
end
end
return database
end
function mymodule.listfiles()
local retval = cfe({ type="structure", value={}, label="Weblog Files" })
for i,file in ipairs(files) do
local details = posix.stat(file) or {}
details.filename = file
retval.value[#retval.value + 1] = details
end
return retval
end
function mymodule.readfile(self, clientdata)
return modelfunctions.getfiledetails(clientdata.filename, files)
end
function mymodule.updatefile(self, filedetails)
return modelfunctions.setfiledetails(self, filedetails, files)
end
return mymodule
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