git.zerfleddert.de Git - proxmark3-svn/blob - client/lualibs/html_dumplib.lua

   1 bin = require('bin')
   2
   3
   4 -------------------------------
   5 -- Some utilities
   6 -------------------------------
   7
   8 ---
   9 -- A debug printout-function
  10 local function dbg(args)
  11         if DEBUG then
  12                 print("###", args)
  13         end
  14 end
  15 ---
  16 -- This is only meant to be used when errors occur
  17 local function oops(err)
  18         print("ERROR: ",err)
  19         return nil, err
  20 end
  21
  22 local function save_HTML(javascript, filename)
  23
  24         -- Read the HTML-skel file
  25         local skel = require("htmlskel")
  26         html = skel.getHTML(javascript);
  27
  28         -- Open the output file
  29
  30         local outfile = io.open(filename, "w")
  31         if outfile == nil then
  32                 return oops(string.format("Could not write to file %s",tostring(filename)))
  33         end
  34         -- Write the data into it
  35         outfile:write(html)
  36         io.close(outfile)
  37
  38         -- Done
  39         return filename
  40
  41 end
  42
  43
  44
  45 local function convert_ascii_dump_to_JS(infile)
  46         local t = infile:read("*all")
  47
  48         local output = "[";
  49         for line in string.gmatch(t, "[^\n]+") do
  50                 output = output .. "'"..line.."',\n"
  51         end
  52         output = output .. "]"
  53         return output
  54 end
  55
  56
  57 local function convert_binary_dump_to_JS(infile, blockLen)
  58          local bindata = infile:read("*all")
  59          len = string.len(bindata)
  60
  61         if len % blockLen ~= 0 then
  62                 return oops(("Bad data, length (%d) should be a multiple of blocklen (%d)"):format(len, blockLen))
  63         end
  64
  65         local _,hex = bin.unpack(("H%d"):format(len),bindata)
  66
  67         -- Now that we've converted binary data into hex, we doubled the size.
  68         -- One byte, like 0xDE is now
  69         -- the characters 'D' and 'E' : one byte each.
  70         -- Thus:
  71         blockLen = blockLen * 2
  72
  73         local js,i = "[";
  74         for i = 1, string.len(hex),blockLen do
  75                 js = js .."'" ..string.sub(hex,i,i+blockLen -1).."',\n"
  76         end
  77         js = js .. "]"
  78         return js
  79 end
  80
  81 ---
  82 -- Converts a .eml-file into a HTML/Javascript file.
  83 -- @param input the file to convert
  84 -- @param output the file to write to
  85 -- @return the name of the new file.
  86 local function convert_eml_to_html(input, output)
  87         input = input or 'dumpdata.eml'
  88         output = output or input .. 'html'
  89
  90         local infile = io.open(input, "r")
  91         if infile == nil then
  92                 return oops(string.format("Could not read file %s",tostring(input)))
  93         end
  94
  95         -- Read file, get JS
  96         local javascript = convert_ascii_dump_to_JS(infile)
  97         io.close(infile)
  98         return save_HTML(javascript, output )
  99 end
 100
 101 --- Converts a binary dump into HTML/Javascript file
 102 -- @param input the file containing the dump  (defaults to dumpdata.bin)
 103 -- @param output the file to write to
 104 -- @param blockLen, the length of each block. Defaults to 16 bytes
 105 local function convert_bin_to_html(input, output, blockLen)
 106         input = input or 'dumpdata.bin'
 107         blockLen = blockLen or 16
 108         output = output or input .. 'html'
 109
 110         local infile = io.open(input, "rb")
 111         if infile == nil then
 112                 return oops(string.format("Could not read file %s",tostring(input)))
 113         end
 114         -- Read file, get JS
 115         local javascript = convert_binary_dump_to_JS(infile, blockLen)
 116         io.close(infile)
 117
 118         return save_HTML(javascript, output )
 119 end
 120
 121 return {
 122         convert_bin_to_html = convert_bin_to_html,
 123         convert_eml_to_html = convert_eml_to_html,
 124 }