1 files changed, 28 insertions, 0 deletions
diff --git a/lua/encrypt/decrypt.lua b/lua/encrypt/decrypt.lua
new file mode 100644
index 0000000..2ae4e2a
--- /dev/null
+++ b/lua/encrypt/decrypt.lua
@@ -0,0 +1,28 @@
+local helpers = require("encrypt.helpers")
+
+---@return string[]
+---@param lines string | string[]
+---@param password string
+local function decrypt_lines(lines, password)
+  return vim.fn.systemlist(
+    "base64 --decode | openssl enc -d -aes-256-cbc -pbkdf2 -salt -in - -out - -k " .. password,
+    lines
+  )
+end
+
+local function decrypt()
+  local password = helpers.getPassword()
+  local encrypted_lines = vim.api.nvim_buf_get_lines(0, 1, -1, false)
+  local decrypted_lines = decrypt_lines(encrypted_lines, password)
+  if vim.v.shell_error ~= 0 then
+    vim.notify("Error decrypting", vim.log.levels.ERROR)
+    return
+  end
+
+  vim.fn.timer_start(0, function()
+    vim.api.nvim_buf_set_lines(0, 0, -1, false, decrypted_lines)
+    vim.bo.modified = false
+  end)
+end
+
+return decrypt