Finished work for today

Readme.md

@@ -1,6 +1,30 @@
 # Splitted Secret
 The purpose of this software is to splitt a secret over multiple people. Just if a defined amount of this people meet together they can encrypt the secret and have access to it. 
 
+# testing
+```bash 
+python scripts/main.py --mode cleanup && 
+python scripts/main.py --amount 3 --quota 50 --mode encrypt --add-user-information --master-password "ewrwerwerew"  << END_OF_INPUTS
+alpha bravo
+123123812908
+asfdasd@asdskjd.de
+street in straat
+charlie delta
+1888888
+sadasfdasd@asdskjd.de
+street in strutt
+echo2 foxtrott
+99999999
+asfdasd@sdskjd.de
+street in strasdlasöd
+END_OF_INPUTS
+python scripts/main.py --mode decrypt --master-password "ewrwerwerew"  &&
+python scripts/main.py --mode decrypt --user "1" 
+
+
+python scripts/main.py --mode cleanup --user "1"  && python scripts/main.py --mode decrypt --user "1" --user-password "O3ITMWXZED9FKYQ0PB2WNVRWSCSCYVXCD00PJ6GQ4MFPIUWBVDCYSSSX9ZDBW5QU"
+
+```
 # Requirements to know
 - Amount of People
 - How much people need to reunite for decrypting
@@ -12,6 +36,9 @@ The purpose of this software is to splitt a secret over multiple people. Just if
 # setup
 ```bash 
     pip install numpy
+    gpg
+    python
+    pip
 ```
 
 ## Further Information

scripts/classes/AbstractSplittedSecret.py

@@ -1,11 +1,30 @@
 from .Cli import Cli
 
 class AbstractSplittedSecret(Cli):
+    
     def __init__(self):
         super(Cli, self).__init__()
-        self.encrypted_folder="data/encrypted/"
-        self.decrypted_folder="data/encrypted/"
-        self.encrypted_group_files_folder = self.encrypted_folder + "group_files/"
-        self.decrypted_group_files_folder = self.decrypted_folder + "group_files/"
-        self.encrypted_user_files_folder = self.encrypted_folder + "user_files/"
-        self.decrypted_user_files_folder = self.encrypted_folder + "user_files/"
+        self.data_folder = "data/"
+    
+    def getFolderPath(self,folder_type):
+        return self.data_folder + folder_type + "/"
+    
+    def getGroupFilesFolderPath(self,folder_type):
+        return self.getFolderPath(folder_type) + "group_files/"
+    
+    def getUserFilesFolderPath(self,folder_type):
+        return self.getFolderPath(folder_type) + "user_files/"
+    
+    def getFileExtension(self,file_type):
+        if file_type == "encrypted":
+            return '.gpg'
+        return ''
+    
+    def getUserFilePath(self,user_id,file_type):
+        return self.getUserFilesFolderPath(file_type)+user_id+'.json' + self.getFileExtension(file_type);
+    
+    def getGroupFilePath(self,group_id,file_type):
+        return self.getGroupFilesFolderPath(file_type) + str(group_id) + '.txt' + self.getFileExtension(file_type);
+    
+    def getAccumulatedFilePath(self,file_type):
+        return self.getFolderPath(file_type) + 'accumulated.json' + self.getFileExtension(file_type);

scripts/classes/Cleanup.py

@@ -1,26 +1,37 @@
 from .AbstractSplittedSecret import AbstractSplittedSecret
 class Cleanup(AbstractSplittedSecret):
+    
     def __init__(self):
         super(Cleanup, self).__init__()
-        self.encrypted_files_folders = [self.decrypted_group_files_folder,self.decrypted_user_files_folder]
-        self.decrypted_files_folders = [self.encrypted_group_files_folder,self.encrypted_user_files_folder]
+        
+    def getAllFilePaths(self,file_type):
+        return [
+            self.getGroupFilesFolderPath(file_type),
+            self.getUserFilesFolderPath(file_type),
+            self.getAccumulatedFilePath(file_type)
+            ]
     
     def deleteAllFilesInFolder(self,folder_path):
         try:
             self.executeCommand('rm -v ' + folder_path + '*')
-            print(self.getCommandString())
-            print(self.getOutputString())
         except:
             pass    
     
-    def deleteAllDecryptedFiles(self):
-        for folder_path in self.decrypted_files_folders:
+    def deleteAllFiles(self,file_type):
+        for folder_path in self.getAllFilePaths(file_type):
             self.deleteAllFilesInFolder(folder_path)
         
     def deleteAllEncryptedFiles(self):
         for folder_path in self.encrypted_files_folders:
             self.deleteAllFilesInFolder(folder_path)
+            
+    def cleanupForUser(self,user):
+        try:
+            self.executeCommand('find "' + self.getFolderPath("encrypted") + '" -not -name "*' + str(user) +'*" -type f -print | xargs rm -v')   
+        except:
+            pass
+        self.deleteAllFiles("decrypted")
 
     def deleteAll(self):
-        self.deleteAllEncryptedFiles()
-        self.deleteAllDecryptedFiles()
+        self.deleteAllFiles("encrypted")
+        self.deleteAllFiles("decrypted")

scripts/classes/Decryption.py

@@ -0,0 +1,41 @@
+from .AbstractSplittedSecret import AbstractSplittedSecret
+import json
+class Decryption(AbstractSplittedSecret):
+    
+    def __init__(self):
+        self.user_id='0';
+        self.user_password=''
+        super(Decryption, self).__init__()
+    
+    def setUserId(self,user_id):
+        self.user_id=str(user_id)
+        self.user_file_decrypted_path = self.getUserFilePath(self.user_id,"decrypted")
+    
+    def setUserPassword(self,user_password):
+        self.user_password = str(user_password)
+    
+    def loadJsonFile(self,file_path):
+        file = open(file_path)
+        data = json.load(file)
+        file.close()
+        return data
+    
+    def setNeededEncryptersAmount(self):
+        self.needed_encrypters_amount = len(str(list(self.user_data['groups'].keys())[0]))-1
+    
+    def decryptFile(self,password,input_file_path,output_file_path):
+        self.executeCommand('gpg --batch --passphrase "'+ password + '" -o "' + output_file_path +'" "'+ input_file_path+'"')
+    
+    def decryptUserFile(self):
+        input_file_path = self.getUserFilePath(self.user_id,"encrypted")
+        self.decryptFile(self.user_password, input_file_path, self.user_file_decrypted_path)
+        
+    def decryptAccumulatedFile(self):
+        input_file_path = self.getAccumulatedFilePath("encrypted")
+        output_file_path = self.getAccumulatedFilePath("decrypted")
+        self.decryptFile(self.user_password, input_file_path, output_file_path)
+        
+    def initializeData(self):
+        self.decryptUserFile()
+        self.user_data = self.loadJsonFile(self.user_file_decrypted_path)
+        self.setNeededEncryptersAmount()

scripts/classes/Encryption.py

@@ -6,15 +6,30 @@ import re
 import json
 from .AbstractSplittedSecret import AbstractSplittedSecret
 
-class Generate(AbstractSplittedSecret):
+class Encryption(AbstractSplittedSecret):
     
     def __init__(self, amount_of_secret_holders, decryption_quota,master_password):
-        super(Generate, self).__init__()
+        super(Encryption, self).__init__()
         self.amount_of_secret_holders = amount_of_secret_holders
         self.decryption_quota = decryption_quota
         self.master_password = master_password
         self.quota_factor=self.decryption_quota/100
         self.group_members_amount=math.ceil(self.amount_of_secret_holders * self.quota_factor)
+        self.initializeUserData()
+        self.initializeGroupData()
+        
+    def initializeUserData(self):
+        self.user_mapped_data = {}
+        user_count = 1
+        while user_count <= self.amount_of_secret_holders:
+            self.user_mapped_data[str(user_count)] = {"groups":{},"user_password":self.createPassword(64),"about":{}}
+            user_count += 1;
+    
+    def initializeGroupData(self):
+        self.group_mapped_data = {} 
+
+    def addInformationToUser(self,user_id,label,content):
+        self.user_mapped_data[user_id]['about'][label] = content;
         
     def getStartnumber(self):
         index = 0
@@ -31,14 +46,6 @@ class Generate(AbstractSplittedSecret):
             start_number += str(self.amount_of_secret_holders)
             index += 1
         return int(start_number)
-
-    def savePassword(self,password,password_file_path):
-        print("Saving password to: " + password_file_path)
-        master_password_file = open(password_file_path, "a")
-        master_password_file.seek(0)
-        master_password_file.truncate()
-        master_password_file.write(password)
-        master_password_file.close()
     
     def createPassword(self,length):
         characters = string.ascii_letters + string.digits
@@ -50,19 +57,18 @@ class Generate(AbstractSplittedSecret):
         unvalid_sequenz = re.compile("(.)\\1+")
         return re.search(valid_numbers, password_group_index_str) and not re.search(unvalid_sequenz, password_group_index_str)
     
-    def createUserMappedDataFrame(self):
-        self.user_mapped_data = {}
-        user_count = 1
-        while user_count <= self.amount_of_secret_holders:
-            self.user_mapped_data[str(user_count)] = {"groups":{},"user_password":self.createPassword(64)}
-            user_count += 1;
-    
-    def createGroupMappedDataFrame(self):
-        self.group_mapped_data = {} 
+    def compileContacts(self):
+        contacts = {}
+        for user_id in self.user_mapped_data:
+            contacts[user_id] = self.user_mapped_data[user_id]['about']
+        for user_id in self.user_mapped_data:
+            self.user_mapped_data[user_id]['contacts'] = {}
+            for contact_id in contacts:
+                if contact_id != user_id:
+                    self.user_mapped_data[user_id]['contacts'][contact_id] = contacts[contact_id]
         
-    def generateMappedData(self):
-        self.createUserMappedDataFrame()
-        self.createGroupMappedDataFrame()
+    def compileData(self):
+        self.compileContacts()
         index = self.getStartnumber()
         while index < self.getEndnumber():
             password_group_index_str = ''.join(sorted(str(index)))
@@ -84,47 +90,29 @@ class Generate(AbstractSplittedSecret):
             index += 1
             
     def encryptStringToFile(self,text,output_file,password):
-        self.executeCommand('echo \'' + text + '\' | gpg --symmetric --armor --batch --passphrase "' + password + '" -o "' + output_file + '.gpg"')
-        print(self.getCommandString())
+        self.executeCommand('echo \'' + text + '\' | gpg --symmetric --armor --batch --passphrase "' + password + '" -o "' + output_file + '"')
     
-    def generateEncryptedGroupFiles(self):
+    def encryptGroupFiles(self):
         for password_group_index_int in self.group_mapped_data:
-            encrypted_splitted_password_file = AbstractSplittedSecret().encrypted_group_files_folder + str(password_group_index_int) + ".txt"
-            self.encryptStringToFile(self.master_password,encrypted_splitted_password_file,self.group_mapped_data[password_group_index_int]['password'])
+            encrypted_group_password_file_path = self.getGroupFilePath(password_group_index_int,"encrypted")
+            self.encryptStringToFile(self.master_password,encrypted_group_password_file_path,self.group_mapped_data[password_group_index_int]['password'])
     
     def encryptToJsonFile(self,data,file_path,password):
         self.encryptStringToFile(json.dumps(data,ensure_ascii=False), file_path, password)
         
-    def encryptUserMappedData(self):
+    def encryptUserData(self):
         for user_id in self.user_mapped_data:
-            file_path=self.encrypted_user_files_folder+user_id+'.json'
-            self.encryptToJsonFile(self.user_mapped_data[user_id]['groups'],file_path,self.user_mapped_data[user_id]['user_password'])
+            file_path=self.getUserFilePath(user_id,"encrypted")
+            data=self.user_mapped_data[user_id]
+            password=self.user_mapped_data[user_id]['user_password']
+            self.encryptToJsonFile(data,file_path,password)
             
-    def encryptAccumulatedMappedData(self):
-        file_path=self.encrypted_folder+'accumulated.json'
+    def encryptAccumulatedData(self):
+        file_path=self.getAccumulatedFilePath("encrypted")
         data={"user_mapped": self.user_mapped_data, "group_mapped": self.group_mapped_data}
         self.encryptToJsonFile(data,file_path,self.master_password)
     
-    def saveMappedData(self):
-        self.encryptUserMappedData()
-        self.encryptAccumulatedMappedData()
-    
-    def encryptMappedUserData(self):
-        self.user_passwords = {}
-        for user_id in self.user_mapped_data:
-            self.user_passwords[user_id] = self.createPassword(64)
-
-    def encryptMappedData(self):
-        self.encryptMappedUserData()
-        
-    def generate(self):
-        self.generateMappedData()
-        self.saveMappedData()
-        self.encryptMappedData()
-        self.generateEncryptedGroupFiles()
-    
-    def getUserMappedData(self):
-        return self.user_mapped_data
-    
-    def getGroupMappedData(self):
-        return self.group_mapped_data
+    def encrypt(self):
+        self.encryptUserData()
+        self.encryptAccumulatedData()
+        self.encryptGroupFiles()

scripts/main.py

@@ -1,27 +1,85 @@
 import argparse
-from classes.Generate import Generate
+from classes.Encryption import Encryption
 from classes.Cleanup import Cleanup
+from classes.Decryption import Decryption
 from getpass import getpass
 
 if __name__ == '__main__':
     parser = argparse.ArgumentParser()
-    parser.add_argument('--mode',type=str, dest='mode',required=True,choices=['cleanup','generate'])
+    parser.add_argument('--mode',type=str, dest='mode',required=True,choices=['cleanup','encrypt','decrypt'])
     parser.add_argument('--amount',type=int, dest='amount_of_secret_holders',required=False,choices=range(1,9))
     parser.add_argument('--quota', type=int, dest='decryption_quota', choices=range(1,101),required=False)
     parser.add_argument('--master-password',type=str, dest='master_password',required=False)
+    parser.add_argument('--user-password',type=str, dest='user_password',required=False)
+    parser.add_argument('--user',type=int, dest='user',choices=range(1,9),required=False)
+    parser.add_argument('--add-user-information',type=bool, dest='add_user_information', default=False, required=False, action=argparse.BooleanOptionalAction)
     args = parser.parse_args()
+    mode = args.mode
     
-    if args.mode == 'cleanup':
+    print("Splitted Secret Interface started.")
+    print("Selected Mode: " + mode)
+    
+    if mode == 'cleanup':
         cleanup = Cleanup()
-        cleanup.deleteAll()
+        if args.user is None: 
+            print("Delete all files.")
+            cleanup.deleteAll()
+            exit()
+        print("Delete files for user <<" + str(args.user) + ">>");
+        cleanup.cleanupForUser(args.user)
         exit()
         
-    if args.mode == 'generate':
+    if mode == 'decrypt':
+        decrypt = Decryption()
+        if args.master_password is None:
+            if args.user is None: 
+                print("Please type in the user number:")
+                decrypt.setUserId(input())
+            else:
+                decrypt.setUserId(args.user)
+            if args.user_password is None:
+                while True:
+                    print("Please enter the user password:")
+                    decrypt.setUserPassword(getpass())
+                    print("Decrypting User File...")
+                    try:
+                        decrypt.initializeData();
+                        break;
+                    except:
+                        print("Wrong password :(")
+            else:
+                decrypt.setUserPassword(args.user_password)
+                print("Decrypting User File...")
+                try:
+                    decrypt.initializeData();
+                except:
+                    print("Wrong password :(")
+                    exit()
+            print("File decrypted :) \n")
+            print("Please contact the following persons and tell them that you need help to encrypt the data: \n")
+            for contact_id in decrypt.user_data['contacts']:
+                print("user_id: " + contact_id)
+                for label in decrypt.user_data['contacts'][contact_id]:
+                    print(label + ": " + decrypt.user_data['contacts'][contact_id][label])
+            print("You need at least <<" + str(decrypt.needed_encrypters_amount) +">> other person to decrypt the secret.")
+            exit()
+        print("Decrypting accumulated file...")
+        decrypt.setUserPassword(args.master_password)
+        decrypt.decryptAccumulatedFile()
+        exit()
+    
+    if mode == 'encrypt':
         if args.master_password is None:
             print("Please enter the master password:")
             master_password = getpass()
         else:
             master_password = args.master_password
-        generate = Generate(args.amount_of_secret_holders, args.decryption_quota,master_password)
-        generate.generate()
+        encrypt = Encryption(args.amount_of_secret_holders, args.decryption_quota, master_password)
+        if args.add_user_information is not None:
+            for user_id in encrypt.user_mapped_data:
+                for label in ['name','phone','email','address']:
+                    print("Please enter attribut <<" + label + ">> for user <<" + user_id+ ">>:" )
+                    encrypt.addInformationToUser(user_id, label, str(input()))
+        encrypt.compileData()
+        encrypt.encrypt()
         exit()