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Introduce hashing without salt #8

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merged 3 commits into from
Sep 7, 2024
Merged

Introduce hashing without salt #8

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4b77784
Introduce hashing without salt
SirAppSec Sep 7, 2024
89f90f5
fix
SirAppSec Sep 7, 2024
f0ebc58
Merge branch 'main' into hash
SirAppSec Sep 7, 2024
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75 changes: 63 additions & 12 deletions lua/hacker-helper.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -233,44 +233,56 @@ end, { noremap = true, silent = true, desc = "Octal Decode" })

-- MD5 Hash
vim.keymap.set("v", M.config.prefix .. M.config.keys.hash_prefix .. M.config.keys.hash_md5, function()
selection_util.transform_selection(function(text)

selection_util.hash_selection(function(text)
return M.hash_text(text, "md5")
end, "hash", "md5")
end) -- Passing "hash" as the mode and "md5" as the encoding type

end, { noremap = true, silent = true, desc = "MD5 Hash" })

-- SHA-1 Hash
vim.keymap.set("v", M.config.prefix .. M.config.keys.hash_prefix .. M.config.keys.hash_sha1, function()
selection_util.transform_selection(function(text)

selection_util.hash_selection(function(text)
return M.hash_text(text, "sha1")
end, "hash", "sha1")
end) -- Mode: "hash", Encoding: "sha1"

end, { noremap = true, silent = true, desc = "SHA-1 Hash" })

-- SHA-256 Hash
vim.keymap.set("v", M.config.prefix .. M.config.keys.hash_prefix .. M.config.keys.hash_sha256, function()
selection_util.transform_selection(function(text)

selection_util.hash_selection(function(text)
return M.hash_text(text, "sha256")
end, "hash", "sha256")
end) -- Mode: "hash", Encoding: "sha256"

end, { noremap = true, silent = true, desc = "SHA-256 Hash" })

-- CRC32 Hash
vim.keymap.set("v", M.config.prefix .. M.config.keys.hash_prefix .. M.config.keys.hash_crc32, function()
selection_util.transform_selection(function(text)

selection_util.hash_selection(function(text)
return M.hash_text(text, "crc32")
end, "hash", "crc32")
end) -- Mode: "hash", Encoding: "crc32"

end, { noremap = true, silent = true, desc = "CRC32 Hash" })

-- Bcrypt Hash
vim.keymap.set("v", M.config.prefix .. M.config.keys.hash_prefix .. M.config.keys.hash_bcrypt, function()
selection_util.transform_selection(function(text)

selection_util.hash_selection(function(text)
return M.hash_text(text, "bcrypt")
end, "hash", "bcrypt")
end) -- Mode: "hash", Encoding: "bcrypt"

end, { noremap = true, silent = true, desc = "Bcrypt Hash" })

-- Scrypt Hash
vim.keymap.set("v", M.config.prefix .. M.config.keys.hash_prefix .. M.config.keys.hash_scrypt, function()
selection_util.transform_selection(function(text)

selection_util.hash_selection(function(text)
return M.hash_text(text, "scrypt")
end, "hash", "scrypt")
end) -- Mode: "hash", Encoding: "scrypt"

end, { noremap = true, silent = true, desc = "Scrypt Hash" })

-- Function to handle encoding/decoding based on selection
Expand Down Expand Up @@ -477,6 +489,45 @@ M.hash_text = function(text, algorithm)
end
end

M.hash_text = function(text, algorithm)
local python_cmd = ""

-- Define Python commands for each hashing algorithm
if algorithm == "md5" then
python_cmd = string.format("python3 -c 'import hashlib; print(hashlib.md5(\"%s\".encode()).hexdigest())'", text)
elseif algorithm == "sha1" then
python_cmd = string.format("python3 -c 'import hashlib; print(hashlib.sha1(\"%s\".encode()).hexdigest())'", text)
elseif algorithm == "sha256" then
python_cmd = string.format("python3 -c 'import hashlib; print(hashlib.sha256(\"%s\".encode()).hexdigest())'", text)
elseif algorithm == "bcrypt" then
python_cmd = string.format(
"python3 -c 'import bcrypt; print(bcrypt.hashpw(\"%s\".encode(), bcrypt.gensalt()).decode())'",
text
)
elseif algorithm == "crc32" then
python_cmd =
string.format('python3 -c \'import binascii; print(format(binascii.crc32(b"%s") & 0xffffffff, "08x"))\'', text)
elseif algorithm == "scrypt" then
python_cmd = string.format(
'python3 -c \'import hashlib; print(hashlib.scrypt("%s".encode(), salt=b"", n=16384, r=8, p=1, dklen=64).hex())\'',
text
)
else
vim.notify("Hacker Helper: unsupported algorithm " .. algorithm, vim.log.levels.ERROR)
end

-- Execute the Python command and capture the output
local handle = io.popen(python_cmd)
if handle then
local result = handle:read("*a")
handle:close()
-- Remove trailing newlines from the result
return result:gsub("%s+", "")
else
vim.notify("Hacker Helper: Python dependencies for hashing are missing", vim.log.levels.ERROR)
end
end

M.hello = function()
return module.my_first_function(M.config.opt)
end
Expand Down
58 changes: 58 additions & 0 deletions lua/hacker-helper/selection_util.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -99,5 +99,63 @@ M.transform_selection = function(transform_func, mode, encoding_type)
-- Reset the cursor position to prevent jumping to another line
vim.cmd("normal! gv") -- Ensure the visual selection is active
end
-- Utility function to capture the visual selection, apply a hash, and insert the hash one line above the selection
M.hash_selection = function(hash_func)
-- Reselect the current visual block to ensure the latest selection is active
vim.cmd("normal! gv")

-- Get the visual selection range using visual marks
local start_pos = vim.fn.getpos("'<") -- Start of the visual selection
local end_pos = vim.fn.getpos("'>") -- End of the visual selection

-- Ensure start_pos and end_pos are valid
start_pos = start_pos or { 0, 0, 0 }
end_pos = end_pos or { 0, 0, 0 }

-- Adjust to capture the correct lines in visual line mode (V)
local start_line = math.min(start_pos[2], end_pos[2])
local end_line = math.max(start_pos[2], end_pos[2])

local start_col = math.max(0, start_pos[3] - 1) -- 0-based index for inline selection
local end_col = math.max(0, end_pos[3]) -- inclusive for inline selection

-- Get the selected lines, replacing nil values with empty strings
local lines = vim.fn.getline(start_line, end_line) or {}
for i = 1, #lines do
lines[i] = lines[i] or "" -- Ensure no nil values
end

-- Handle visual line selection (V) and inline selection (v)
if vim.fn.visualmode() == "V" then
-- Full line selection
local selected_text = table.concat(lines, "\n")
local hash_result = hash_func(selected_text)
-- Insert the hash result above the first line
vim.fn.append(start_line - 1, hash_result)
else
-- Inline selection (v mode)
if start_line == end_line then
-- Handle inline selection on a single line
local line = lines[1] or ""
start_col = math.max(0, start_col)
end_col = math.min(#line, end_col)
local selection = string.sub(line, start_col + 1, end_col)
local hash_result = hash_func(selection)
-- Insert the hash result above the current line
vim.fn.append(start_line - 1, hash_result)
else
-- Multi-line partial selection
local first_line = string.sub(lines[1] or "", start_col + 1)
local last_line = string.sub(lines[#lines] or "", 1, end_col)
local selected_text = first_line .. "\n" .. table.concat(lines, "\n", 2, #lines - 1) .. "\n" .. last_line
local hash_result = hash_func(selected_text)
-- Insert the hash result above the first line
vim.fn.append(start_line - 1, hash_result)
end
end

-- Reselect the visual selection after transformation (optional)
vim.cmd("normal! gv")
end

return M
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