proxmark3/client/lualibs/html_dumplib.lua

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bin = require('bin')
-------------------------------
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-- Some utilities
-------------------------------
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---
-- A debug printout-function
local function dbg(args)
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if type(args) == "table" then
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local i = 1
while args[i] do
print("###", args[i])
i = i+1
end
else
print("###", args)
end
end
---
-- This is only meant to be used when errors occur
local function oops(err)
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print("ERROR: ",err)
return nil, err
end
local function save_HTML(javascript, filename)
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-- Read the HTML-skel file
local skel = require("htmlskel")
html = skel.getHTML(javascript);
-- Open the output file
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local outfile = io.open(filename, "w")
if outfile == nil then
return oops(string.format("Could not write to file %s",tostring(filename)))
end
-- Write the data into it
outfile:write(html)
io.close(outfile)
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-- Done
return filename
end
local function save_TEXT(data,filename)
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-- 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)
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-- 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)
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local t = infile:read("*all")
local cleaned
local output = "[";
for line in string.gmatch(t, "[^\n]+") do
if string.byte(line,1) ~= string.byte("+",1) then
cleaned = (line or ''):gsub('%s+','')
output = output .. "'"..cleaned.."',\n"
end
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end
output = output .. "]"
return output
end
local function convert_binary_dump_to_JS(infile, blockLen)
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local bindata = infile:read("*all")
len = string.len(bindata)
if len % blockLen ~= 0 then
return oops(("Bad data, length (%d) should be a multiple of blocklen (%d)"):format(len, blockLen))
end
local _,hex = bin.unpack(("H%d"):format(len),bindata)
-- Now that we've converted binary data into hex, we doubled the size.
-- One byte, like 0xDE is now
-- the characters 'D' and 'E' : one byte each.
-- Thus:
blockLen = blockLen * 2
local js,i = "[";
for i = 1, string.len(hex),blockLen do
js = js .."'" ..string.sub(hex,i,i+blockLen -1).."',\n"
end
js = js .. "]"
return js
end
local function convert_ascii_dump_to_BIN(infile)
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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
---
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-- Converts a .eml-file into a HTML/Javascript file.
-- @param input the file to convert
-- @param output the file to write to
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-- @return the name of the new file.
local function convert_eml_to_html(input, output)
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input = input or 'dumpdata.eml'
output = output or input .. 'html'
local infile = io.open(input, "r")
if infile == nil then
return oops(string.format("Could not read file %s",tostring(input)))
end
-- Read file, get JS
local javascript = convert_ascii_dump_to_JS(infile)
io.close(infile)
return save_HTML(javascript, output )
end
--- Converts a binary dump into HTML/Javascript file
-- @param input the file containing the dump (defaults to dumpdata.bin)
-- @param output the file to write to
-- @param blockLen, the length of each block. Defaults to 16 bytes
local function convert_bin_to_html(input, output, blockLen)
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input = input or 'dumpdata.bin'
blockLen = blockLen or 16
output = output or input .. 'html'
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 JS
local javascript = convert_binary_dump_to_JS(infile, blockLen)
io.close(infile)
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)
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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 {
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convert_bin_to_html = convert_bin_to_html,
convert_eml_to_html = convert_eml_to_html,
convert_eml_to_bin = convert_eml_to_bin,
SaveAsBinary = save_BIN,
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SaveAsText = save_TEXT,
SaveAsBinary = save_BIN,
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SaveAsText = save_TEXT,
}