From 6a88d734bdb4660945923c3f4a38c14e45847c2c Mon Sep 17 00:00:00 2001
From: kongjun <kongjun18@outlook.com>
Date: Tue, 29 Apr 2025 03:49:28 +0000
Subject: feat: store passwords in a local scope instead of as a buffer
 variable

---
 lua/encrypt/helpers.lua | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

(limited to 'lua/encrypt/helpers.lua')

diff --git a/lua/encrypt/helpers.lua b/lua/encrypt/helpers.lua
index 37a96b3..ff8baef 100644
--- a/lua/encrypt/helpers.lua
+++ b/lua/encrypt/helpers.lua
@@ -1,13 +1,18 @@
----@return string
-local function getPassword()
-  local password = vim.b["password"]
-  if password == nil then
-    password = vim.fn.inputsecret("Enter password: ")
-    vim.b["password"] = password
+---@return function string
+local getPasswordFactory = function()
+  local bufferPasswordMap = {}
+
+  return function()
+    local key = string.format("%s", vim.fn.bufnr())
+    if bufferPasswordMap[key] == nil then
+      password = vim.fn.inputsecret("Enter password: ")
+      bufferPasswordMap[key] = password
+    end
+    return bufferPasswordMap[key]
   end
-  return password
 end
 
+local getPassword = getPasswordFactory()
 local ENCRYPTED_PREFIX = "# <<<encrypted>>>"
 
 return { getPassword = getPassword, ENCRYPTED_PREFIX = ENCRYPTED_PREFIX }
-- 
cgit v1.2.3


From e6057b3c13f004477f4963f3cdf054e5ca1bf2f4 Mon Sep 17 00:00:00 2001
From: kongjun <kongjun18@outlook.com>
Date: Tue, 29 Apr 2025 04:05:35 +0000
Subject: feat: lock the encrypted file to read-only mode to avoid unintended
 corruption

---
 lua/encrypt/helpers.lua | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'lua/encrypt/helpers.lua')

diff --git a/lua/encrypt/helpers.lua b/lua/encrypt/helpers.lua
index ff8baef..a2ccc51 100644
--- a/lua/encrypt/helpers.lua
+++ b/lua/encrypt/helpers.lua
@@ -15,4 +15,10 @@ end
 local getPassword = getPasswordFactory()
 local ENCRYPTED_PREFIX = "# <<<encrypted>>>"
 
-return { getPassword = getPassword, ENCRYPTED_PREFIX = ENCRYPTED_PREFIX }
+---@enum buftype
+local BUFTYPE = {
+  encrypted = 1,
+  plaintext = 2,
+}
+
+return { getPassword = getPassword, ENCRYPTED_PREFIX = ENCRYPTED_PREFIX, BUFTYPE = BUFTYPE}
-- 
cgit v1.2.3


From 872632670c31f682f3db01707468dbc12f154ab4 Mon Sep 17 00:00:00 2001
From: kongjun <kongjun18@outlook.com>
Date: Tue, 29 Apr 2025 06:51:01 +0000
Subject: feat: :X decrypts or encrypts files

---
 lua/encrypt/helpers.lua | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'lua/encrypt/helpers.lua')

diff --git a/lua/encrypt/helpers.lua b/lua/encrypt/helpers.lua
index a2ccc51..b740f28 100644
--- a/lua/encrypt/helpers.lua
+++ b/lua/encrypt/helpers.lua
@@ -21,4 +21,16 @@ local BUFTYPE = {
   plaintext = 2,
 }
 
-return { getPassword = getPassword, ENCRYPTED_PREFIX = ENCRYPTED_PREFIX, BUFTYPE = BUFTYPE}
+local function bufferEncrypted()
+  local first_line = vim.api.nvim_buf_get_lines(0, 0, 1, false)[1]
+  if first_line == ENCRYPTED_PREFIX then
+    return true
+  end
+end
+
+return {
+  getPassword = getPassword,
+  ENCRYPTED_PREFIX = ENCRYPTED_PREFIX,
+  BUFTYPE = BUFTYPE,
+  bufferEncrypted = bufferEncrypted,
+}
-- 
cgit v1.2.3


From a9e7d700eb546800e3d341bc53667964ac821a38 Mon Sep 17 00:00:00 2001
From: kongjun <kongjun18@outlook.com>
Date: Tue, 6 May 2025 10:14:39 +0000
Subject: feat: handle the case where the inputsecret() is cancelled

---
 lua/encrypt/helpers.lua | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'lua/encrypt/helpers.lua')

diff --git a/lua/encrypt/helpers.lua b/lua/encrypt/helpers.lua
index b740f28..c88b448 100644
--- a/lua/encrypt/helpers.lua
+++ b/lua/encrypt/helpers.lua
@@ -6,6 +6,9 @@ local getPasswordFactory = function()
     local key = string.format("%s", vim.fn.bufnr())
     if bufferPasswordMap[key] == nil then
       password = vim.fn.inputsecret("Enter password: ")
+      if password == "" then
+        vim.notify("Password is cancelled", vim.log.levels.WARN)
+      end
       bufferPasswordMap[key] = password
     end
     return bufferPasswordMap[key]
-- 
cgit v1.2.3