fix #32.

typora.py

@@ -11,7 +11,7 @@ from base64 import b64decode, b64encode
 from jsbeautifier import beautify
 from jsmin import jsmin
 from os import listdir, urandom, makedirs
-from os.path import isfile, isdir, join as pjoin, split as psplit, exists
+from os.path import isfile, isdir, join as pjoin, split as psplit, exists, abspath
 from loguru import logger as log
 from masar import extract_asar, pack_asar
 from shutil import rmtree
@@ -31,10 +31,14 @@ else:
 AES_KEY = struct.pack("<4Q", *[0x4B029A9482B3E14E, 0xF157FEB4B4522F80, 0xE25692105308F4BE, 0x6DD58DDDA3EC0DC2])
 
 
-def _newDir(_path):
-    if exists(_path):
-        rmtree(_path)
-    makedirs(_path)
+def _mkDir(_path):
+    if not exists(_path):
+        makedirs(_path)
+    else:
+        if _path == psplit(__file__)[0]:
+            log.warning("plz try not to use the root dir.")
+        else:
+            log.warning(f"May FolderExists: {_path}")
 
 
 def decScript(b64: bytes, prettify: bool):
@@ -53,13 +57,18 @@ def decScript(b64: bytes, prettify: bool):
 
 def extractWdec(asarPath, path, prettify):
     """
+    :param prettify: bool
     :param asarPath: asar out dir
     :param path: out dir
     :return: None
     """
     # try to create empty dir to save extract files
     path = pjoin(path, "typoraCrackerTemp")
-    _newDir(path)
+
+    if exists(path):
+        rmtree(path)
+    _mkDir(path)
+
     log.info(f"extract asar file: {asarPath}")
     # extract app.asar to {path}/*
     extract_asar(asarPath, path)
@@ -69,7 +78,10 @@ def extractWdec(asarPath, path, prettify):
     # construct the save directory {pathRoot}/dec_app
     outPath = pjoin(psplit(path)[0], "dec_app")
     # try to create empty dir to save decryption files
-    _newDir(outPath)
+    if exists(outPath):
+        rmtree(outPath)
+    _mkDir(outPath)
+
     log.info(f"set Directory: {outPath}")
     # enumerate extract files
     fileArr = listdir(path)
@@ -109,14 +121,17 @@ def packWenc(path, outPath, compress):
     :param compress: Bool
     :return: None
     """
+    # check out path
     if isfile(outPath):
         log.error("plz input Directory for app.asar")
         raise NotADirectoryError
 
-    _newDir(outPath)
+    _mkDir(outPath)
 
     encFilePath = pjoin(psplit(outPath)[0], "typoraCrackerTemp")
-    _newDir(encFilePath)
+    if exists(encFilePath):
+        rmtree(encFilePath)
+    _mkDir(encFilePath)
 
     outFilePath = pjoin(outPath, "app.asar")
     log.info(f"set outFilePath: {outFilePath}")