From 44fc91caa690a601187d08b65d973bd5831debfc Mon Sep 17 00:00:00 2001
From: Trigat <trigat@protonmail.com>
Date: Sun, 24 Aug 2025 15:39:30 -0500
Subject: [PATCH] Delete client/luascripts/emv_extract.lua

Signed-off-by: Trigat <trigat@protonmail.com>
---
 client/luascripts/emv_extract.lua | 80 -------------------------------
 1 file changed, 80 deletions(-)
 delete mode 100644 client/luascripts/emv_extract.lua

diff --git a/client/luascripts/emv_extract.lua b/client/luascripts/emv_extract.lua
deleted file mode 100644
index d35835459..000000000
--- a/client/luascripts/emv_extract.lua
+++ /dev/null
@@ -1,80 +0,0 @@
-copyright = "Trigat"
-author = "Trigat"
-desc = "This script scans an EMV (credit or debit) card and extracts Track 2 information."
-
-local home = os.getenv("HOME")
-local json_file = home .. "/emv_output.json"
-
-core.console(string.format("emv scan -at %s", json_file))
-
-os.execute("sleep 1")
-
--- Read JSON content
-local f = io.open(json_file, "r")
-if not f then
-    print("[!!] Could not open JSON output")
-    return
-end
-
-local content = f:read("*a")
-f:close()
-
-local track2 = nil
-local found = false
-
--- Iterate over all "value" fields in JSON
-for value_field in content:gmatch('"value"%s*:%s*"(.-)"') do
-    -- Look for 57 13 anywhere in the string
-    track2 = value_field:match('57%s*13%s*([0-9A-Fa-f%s]+)')
-    if track2 then
-        -- Remove spaces to get clean hex
-        track2 = track2:gsub("%s+", "")
-        print("[++] Track 2 data found: 57 13 " .. track2 .. "\n")
-        found = true
-        break -- remove break if you want all occurrences
-    end
-end
-
-if not found then
-    print("[!!] Track 2 data not found in JSON")
-    return
-end
-
--- Remove 57 + Length prefix (first 4 hex digits = 57 13)
-track2 = track2:gsub("^57%x%x", "")
-
--- Convert hex string into individual nibbles (1 hex digit each)
-local nibbles = {}
-for hex_digit in track2:gmatch("%x") do
-    table.insert(nibbles, hex_digit)
-end
-
--- Find 'D' separator
-local sep_index
-for i, nib in ipairs(nibbles) do
-    if nib == "D" then
-        sep_index = i
-        break
-    end
-end
-
-if not sep_index then
-    print("[!!] Could not find 'D' separator in Track 2")
-    return
-end
-
--- Extract Primary Account Number (all nibbles before D)
-local pan = table.concat(nibbles, "", 1, sep_index-1)
-
--- Expiry is next 4 nibbles after D
-local yy = nibbles[sep_index + 1] .. nibbles[sep_index + 2]
-local mm = nibbles[sep_index + 3] .. nibbles[sep_index + 4]
-
--- Service code: next 3 nibbles
-local service = table.concat(nibbles, "", sep_index + 5, sep_index + 7) or "N/A"
-
-print("[++] PAN: " .. pan)
-print("[++] Expiry (MM/YY): " .. mm .. "/" .. yy)
-print("[++] Service code: " .. service)
-
-os.execute('rm -f ' .. json_file)