Config

requirements.txt

@@ -1,2 +1,3 @@
 pycryptodome
 pydh
+unipath

server/authentication.py

@@ -11,6 +11,7 @@ from Crypto.Hash import SHA256
 from Crypto.Protocol.KDF import bcrypt, bcrypt_check
 from Crypto.PublicKey import RSA
 from Crypto.PublicKey.RSA import RsaKey
+from Crypto.Random import get_random_bytes
 
 auth_logger = logging.getLogger('AUTH APPLICATION ')
 auth_logger.setLevel(logging.INFO)
@@ -51,7 +52,7 @@ class Authetication:
                     b64pwd = b64encode(SHA256.new(password.encode('utf-8')).digest())
                     bcrypt_check(b64pwd, user['password'].encode('utf-8'))
                     auth_logger.debug("User logged in: " + username)
-                    return user['homeDir']
+                    return self.HOME_DIRECTORY_LOCATION + os.path.sep + user['homeDir']
                 except ValueError:
                     auth_logger.debug("User NOT logged in: " + username)
                     return ''
@@ -82,9 +83,10 @@ class Authetication:
 
 
     def saveUser(self, username: str, password: str) -> bool:
+        user_salt = get_random_bytes(16)
         bytePass = password.encode('utf-8')
         b64pwd = b64encode(SHA256.new(bytePass).digest())
-        bcrypt_hash = bcrypt(b64pwd, 12)
+        bcrypt_hash = bcrypt(password=b64pwd, cost=12, salt=user_salt)
 
         with open(self.CONFIG_FILE_LOCATION) as json_file:
             data = json.load(json_file)

server/authentication_test.py

@@ -35,7 +35,7 @@ def testAuth(username: str, password: str):
     auth.saveUser(username, password)
     homeDir = auth.login(username, password)
 
-    if homeDir == '1':
+    if homeDir == auth.HOME_DIRECTORY_LOCATION + os.path.sep + '1':
         test_logger.info('TEST 1 --> Authentication test with VALID :: PASSED')
     else:
         test_logger.info('TEST 1 --> Authentication test with VALID :: FAILED')
@@ -118,4 +118,4 @@ if __name__ == '__main__':
     testSaveUser("Diósbejglia", "Diósbejgli")
     testAuth("Diósbejglia", "Diósbejgli")
     testUserExists("Diósbejglia", "Diósbejgli")
-    testPersistency()
+    #testPersistency()

server/executor.py

@@ -3,6 +3,8 @@
 import os
 import re
 
+from unipath import Path
+
 class Executor:
     """This class executes commands recieved by the server"""
 
@@ -34,21 +36,22 @@ class Executor:
 
     def setCurrentDirectory(self, dirName: str) -> str:
         if dirName == "..":
-            if self.currentDirectory == self.baseDir:
+            p = Path(os.path.join(self.baseDir, self.currentDirectory))
+            parentpath = p.parent
+            if (str(parentpath) + os.path.sep)== self.baseDir:
+                self.currentDirectory = ""
                 return self.currentDirectory
             else:
-                directories = self.currentDirectory.split(os.path.sep)
+                if len(str(parentpath).split('/')) < len(self.baseDir.split('/')):
-                strdirectory = ""
+                    return self.currentDirectory
-                for dir in directories:
+                newpath = str(parentpath).replace(self.baseDir,'')
-                    strdirectory += dir + os.path.sep
+                if os.path.exists(os.path.join(self.baseDir,newpath)):
-                    strdirectory = strdirectory[:-3]
+                    self.currentDirectory = newpath
-                if os.path.exists(strdirectory):
-                    self.currentDirectory = strdirectory
                 return self.currentDirectory
         else:
             dirName = self.sanitizeDirectory(dirName)
             joinedDir = os.path.join(self.currentDirectory, dirName)
-            if os.path.exists(joinedDir):
+            if os.path.join(self.baseDir, joinedDir):
                 self.currentDirectory = joinedDir
             return self.currentDirectory
 
@@ -62,7 +65,7 @@ class Executor:
 
     def putFileInCurrentDirectory(self, filename: str, content: bytes) -> str:
         filename = self.sanitizeFile(filename)
-        currenctfile = os.path.join(self.currentDirectory, filename)
+        currenctfile = os.path.join(self.baseDir, self.currentDirectory, filename)
         f = open(currenctfile, "wb")
         f.write(content)
         f.close()
@@ -70,7 +73,7 @@ class Executor:
 
     def getFileInCurrentDirectory(self, file: str) -> bytes:
         file = self.sanitizeFile(file)
-        currentfile = os.path.join(self.currentDirectory, file)
+        currentfile = os.path.join(self.baseDir, self.currentDirectory, file)
         if os.path.exists(currentfile):
             f = open(currentfile, "rb")
             content = f.read()
@@ -81,7 +84,10 @@ class Executor:
 
     def removeFileInCurrentDirectory(self, file: str) -> str:
         file = self.sanitizeFile(file)
-        currentfile = os.path.join(self.currentDirectory, file)
+        if self.currentDirectory == "":
+            currentfile = os.path.join(self.baseDir, file)
+        else:
+            currentfile = os.path.join(self.baseDir, self.currentDirectory, file)
         if os.path.exists(currentfile):
             os.remove(currentfile)
         return currentfile