---
-- A debug printout-function
local function dbg(args)
- if DEBUG then
+
+ if type(args) == "table" then
+ local i = 1
+ while args[i] do
+ print("###", args[i])
+ i = i+1
+ end
+ else
print("###", args)
- end
-end
+ end
+end
---
-- This is only meant to be used when errors occur
local function oops(err)
print("ERROR: ",err)
+ return nil, err
end
local function save_HTML(javascript, filename)
local outfile = io.open(filename, "w")
if outfile == nil then
- return oops("Could not write to file ", filename)
+ return oops(string.format("Could not write to file %s",tostring(filename)))
end
-- Write the data into it
outfile:write(html)
end
+local function save_TEXT(data,filename)
+ -- Open the output file
+ local outfile = io.open(filename, "w")
+ if outfile == nil then
+ return oops(string.format("Could not write to file %s",tostring(filename)))
+ end
+
+ outfile:write(data)
+ io.close(outfile)
+ return filename
+end
+local function save_BIN(data, filename)
+ -- Open the output file
+
+ local outfile = io.open(filename, "wb")
+ if outfile == nil then
+ return oops(string.format("Could not write to file %s",tostring(filename)))
+ end
+
+ -- Write the data into it
+ local i = 1
+ while data[i] do
+ outfile:write(data[i])
+ i = i+1
+ end
+
+ io.close(outfile)
+ return filename
+end
local function convert_ascii_dump_to_JS(infile)
local t = infile:read("*all")
-
+ local cleaned
local output = "[";
for line in string.gmatch(t, "[^\n]+") do
- output = output .. "'"..line.."',\n"
+ if string.byte(line,1) ~= string.byte("+",1) then
+ cleaned = (line or ''):gsub('%s+','')
+ output = output .. "'"..cleaned.."',\n"
+ end
end
output = output .. "]"
return output
end
-
local function convert_binary_dump_to_JS(infile, blockLen)
local bindata = infile:read("*all")
len = string.len(bindata)
return js
end
+local function convert_ascii_dump_to_BIN(infile)
+ local t = infile:read("*all")
+ local cleaned
+ local output = {};
+ for line in string.gmatch(t, "[^\n]+") do
+ if string.byte(line) ~= string.byte("+") then
+ cleaned = (line or ''):gsub('%s+','')
+ for c in cleaned:gmatch('..') do
+ output[#output+1] = string.char( tonumber(c,16) )
+ end
+ end
+ end
+ return output
+end
+
+
---
-- Converts a .eml-file into a HTML/Javascript file.
-- @param input the file to convert
local infile = io.open(input, "r")
if infile == nil then
- return oops("Could not read file ", input)
+ return oops(string.format("Could not read file %s",tostring(input)))
end
-- Read file, get JS
blockLen = blockLen or 16
output = output or input .. 'html'
- local infile = io.open(input, "r")
+ local infile = io.open(input, "rb")
if infile == nil then
- return oops("Could not read file ", input)
+ return oops(string.format("Could not read file %s",tostring(input)))
end
-- Read file, get JS
local javascript = convert_binary_dump_to_JS(infile, blockLen)
return save_HTML(javascript, output )
end
+--- Converts a eml dump into a binary file
+-- @param input the file containing the eml-dump (defaults to dumpdata.eml)
+-- @param output the file to write to ( defaults to dumpdata.bin)
+local function convert_eml_to_bin(input, output)
+ input = input or 'dumpdata.eml'
+ output = output or 'dumpdata.bin'
+
+ local infile = io.open(input, "rb")
+ if infile == nil then
+ return oops(string.format("Could not read file %s",tostring(input)))
+ end
+ -- Read file, get BIN
+ local data = convert_ascii_dump_to_BIN(infile)
+ io.close(infile)
+
+ return save_BIN(data, output )
+end
+
+
return {
convert_bin_to_html = convert_bin_to_html,
- convert_eml_to_html = convert_eml_to_html,
+ convert_eml_to_html = convert_eml_to_html,
+ convert_eml_to_bin = convert_eml_to_bin,
+ SaveAsBinary = save_BIN,
+ SaveAsText = save_TEXT,
+ SaveAsBinary = save_BIN,
+ SaveAsText = save_TEXT,
}