Update Picocrypt.py
This commit is contained in:
Evan Su
GitHub
parent
5b71a4dccc
commit
ff5c7ce603
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@ -56,9 +56,9 @@ kept = False
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working = False
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gMode = None
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headerRsc = None
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draggedFiles = False
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allFiles = False
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draggedFolderPaths = False
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filesToErase = False
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files = False
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adString = "File metadata (used to store some text along with the file):"
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compressingNotice = "Compressing files together..."
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passwordNotice = "Error. The provided password is incorrect."
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@ -96,29 +96,20 @@ s = tkinter.ttk.Style()
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s.configure("TCheckbutton",background="#f5f6f7")
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# Event when user selects an input file
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def inputSelected(draggedFile=None):
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global inputFile,working,headerRsc,draggedFiles
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global draggedFolderPaths,filesToErase
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def inputSelected(draggedFile):
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global inputFile,working,headerRsc,allFiles
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global draggedFolderPaths,files
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dummy.focus()
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status.config(cursor="")
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status.bind("<Button-1>",lambda e:None)
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# Try to handle when select file is cancelled
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try:
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draggedFiles = None
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filesToErase = None
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allFiles = []
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files = []
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draggedFolderPaths = []
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# Ask for input file
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suffix = ""
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if not draggedFile:
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tmp = filedialog.askopenfilename(
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initialdir=expanduser("~")
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)
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if len(tmp)==0:
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# Exception will be caught by except below
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raise Exception("No file selected.")
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inputFile = tmp
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else:
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tmp = [i for i in draggedFile]
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res = []
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within = False
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@ -131,7 +122,6 @@ def inputSelected(draggedFile=None):
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res.append(tmpName)
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tmpName = ""
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else:
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print(tmpName)
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if i==" " and not within:
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if tmpName!="":
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res.append(tmpName)
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@ -141,28 +131,26 @@ def inputSelected(draggedFile=None):
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if tmpName:
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res.append(tmpName)
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draggedFiles = []
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filesToErase = []
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allFiles = []
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files = []
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for i in res:
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if isdir(i):
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draggedFolderPaths.append(i)
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tmp = Path(i).rglob("*")
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for p in tmp:
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draggedFiles.append(abspath(p))
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allFiles.append(abspath(p))
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else:
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filesToErase.append(i)
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files.append(i)
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draggedFiles = list(filter(lambda i:not isdir(i),draggedFiles))
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if len(draggedFiles)==1:
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draggedFiles = []
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inputFile = draggedFiles[0]
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if len(files)==1 and len(allFiles)==0:
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inputFile = files[0]
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files = []
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else:
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inputFile = ""
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# Decide if encrypting or decrypting
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if ".pcv" in inputFile.split("/")[-1]:
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if inputFile.endswith(".pcv"):
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suffix = " (will decrypt)"
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fin = open(inputFile,"rb")
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@ -214,9 +202,9 @@ def inputSelected(draggedFile=None):
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cpasswordString.set("Confirm password:")
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# Show selected file(s)
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if draggedFiles:
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inputString.set(f"{len(draggedFiles)} file(s) selected"+
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" (will encrypt).")
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if allFiles or files:
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inputString.set(f"{len(allFiles) or len(files)}"+
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" file(s) selected (will encrypt).")
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else:
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inputString.set(inputFile.split("/")[-1]+suffix)
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@ -234,7 +222,7 @@ def inputSelected(draggedFile=None):
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# No file selected, do nothing
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except:
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inputString.set("Please select a file.")
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inputString.set("Please drag and drop files here.")
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resetUI()
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# Focus the dummy button to remove ugly borders
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@ -244,28 +232,19 @@ def inputSelected(draggedFile=None):
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# Allow drag and drop
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def onDrop(e):
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print(e.data)
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inputSelected(e.data)
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tk.drop_target_register(DND_FILES)
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tk.dnd_bind("<<Drop>>",onDrop)
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# Button to select input file
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selectFileInput = tkinter.ttk.Button(
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tk,
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text="Select file",
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command=inputSelected,
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)
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selectFileInput.place(x=19,y=20)
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# Label that displays selected input file
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inputString = tkinter.StringVar(tk)
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inputString.set("Please select a file.")
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inputString.set("Please drag and drop files here.")
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selectedInput = tkinter.ttk.Label(
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tk,
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textvariable=inputString
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)
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selectedInput.config(background="#f5f6f7")
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selectedInput.place(x=104,y=23)
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selectedInput.place(x=17,y=20)
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# Label that prompts user to enter a password
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passwordString = tkinter.StringVar(tk)
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@ -323,7 +302,7 @@ cpasswordInput["state"] = "disabled"
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# Start the encryption/decryption process
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def start():
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global inputFile,outputFile,password,ad,kept
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global working,gMode,headerRsc,draggedFiles,filesToErase
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global working,gMode,headerRsc,allFiles,files
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global dragFolderPath
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dummy.focus()
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reedsolo = False
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@ -377,15 +356,20 @@ def start():
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rsc = RSCodec(13)
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# Compress files together if user dragged multiple files
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if draggedFiles:
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if allFiles or files:
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statusString.set(compressingNotice)
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tmp = datetime.now().strftime("%Y-%m-%d_%H-%M-%S")
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zfPath = Path(draggedFiles[0]).parent.absolute()
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if files:
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zfPath = Path(files[0]).parent.absolute()
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else:
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zfPath = Path(dirname(allFiles[0])).parent.absolute()
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zfOffset = len(str(zfPath))
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zfName = pathJoin(zfPath,tmp+".zip")
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zf = ZipFile(zfName,"w")
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for i in draggedFiles:
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for i in allFiles:
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zf.write(i,i[zfOffset:])
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for i in files:
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zf.write(i,pathSplit(i)[1])
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zf.close()
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inputFile = zfName
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@ -403,7 +387,13 @@ def start():
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wipe = erase.get()==1
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# Open files
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try:
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fin = open(inputFile,"rb")
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except:
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resetEncryptionUI()
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statusString.set("Folder is empty.")
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return
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if reedsolo and mode=="decrypt":
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# Move pointer one forward
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fin.read(1)
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@ -714,39 +704,33 @@ def start():
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fout.close()
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fin.close()
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print(draggedFolderPaths)
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print(draggedFiles)
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print(filesToErase)
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input()
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# Securely wipe files as necessary
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if wipe:
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if draggedFolderPaths:
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for i in draggedFolderPaths:
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secureWipe(i)
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if filesToErase:
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for i in range(len(filesToErase)):
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statusString.set(erasingNotice+f" ({i}/{len(filesToErase)}")
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progress["value"] = i/len(filesToErase)
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print("Erasing file "+filesToErase[i])
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secureWipe(filesToErase[i])
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if files:
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for i in range(len(files)):
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statusString.set(erasingNotice+f" ({i}/{len(files)}")
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progress["value"] = i/len(files)
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secureWipe(files[i])
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secureWipe(inputFile)
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# Secure wipe not enabled
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else:
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if draggedFiles:
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if allFiles:
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# Remove temporary zip file if created
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remove(inputFile)
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# Show appropriate notice if file corrupted or modified
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if not kept:
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if mode=="encrypt":
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output = inputFile.split("/")[-1]+".pcv"
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else:
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output = inputFile.split("/")[-1].replace(".pcv","")
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statusString.set(f"Completed. (Output: {output})")
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statusString.set(f"Completed. (Click here to show output)")
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# Show Reed-Solomon stats if it fixed corrupted bytes
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if mode=="decrypt" and reedsolo and reedsoloFixedCount:
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statusString.set(f"Completed with {reedsoloFixedCount} bytes fixed."+
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f" (Output: {output})")
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statusString.set(
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f"Completed with {reedsoloFixedCount}"+
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f" bytes fixed. (Output: {output})"
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)
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else:
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if kept=="modified":
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statusString.set(kModifiedNotice)
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@ -756,7 +740,13 @@ def start():
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statusString.set(kVeryCorruptedNotice)
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status.config(cursor="hand2")
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status.bind("<Button-1>",lambda e:print(outputPath))
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# A little hack since strings are immutable
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output = "".join([i for i in outputFile])
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# Bind the output file
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status.bind("<Button-1>",
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lambda e:showOutput(output.replace("/","\\"))
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)
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# Reset variables and UI states
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resetUI()
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@ -766,7 +756,7 @@ def start():
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ad = ""
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kept = False
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working = False
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draggedFiles = False
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allFiles = False
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dragFolderPath = False
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# Wipe keys for safety
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@ -799,7 +789,6 @@ def startWorker():
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# Securely wipe file
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def secureWipe(fin):
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global draggedFiles
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statusString.set(erasingNotice)
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# Check platform, erase accordingly
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if platform.system()=="Windows":
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@ -812,20 +801,19 @@ def secureWipe(fin):
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statusString.set(erasingNotice+f" ({i}/{len(paths)})")
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progress["value"] = 100*i/len(paths)
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system(f'cd "{paths[i]}" && "{rootDir}/sdelete64.exe" * -p 4 -s -nobanner')
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system(f'cd "{i}"')
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system(f'cd "{rootDir}"')
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rmtree(fin)
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else:
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statusString.set(erasingNotice)
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progress["value"] = 100
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system(f'sdelete64.exe "{fin}" -p 4 -nobanner')
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elif platform.system()=="Darwin":
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pass
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system(f'rm -rfP "{fin}"')
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else:
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system(f'shred -uz "{fin}" -n 4')
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# Disable all inputs while encrypting/decrypting
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def disableAllInputs():
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selectFileInput["state"] = "disabled"
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passwordInput["state"] = "disabled"
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cpasswordInput["state"] = "disabled"
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adArea["state"] = "disabled"
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@ -837,7 +825,6 @@ def disableAllInputs():
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# Reset UI to encryption state
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def resetEncryptionUI():
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global working
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selectFileInput["state"] = "normal"
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passwordInput["state"] = "normal"
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cpasswordInput["state"] = "normal"
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adArea["state"] = "normal"
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@ -845,12 +832,13 @@ def resetEncryptionUI():
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eraseBtn["state"] = "normal"
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rsBtn["state"] = "normal"
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working = False
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progress.stop()
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progress.config(mode="determinate")
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progress["value"] = 100
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# Reset UI to decryption state
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def resetDecryptionUI():
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global working
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selectFileInput["state"] = "normal"
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passwordInput["state"] = "normal"
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adArea["state"] = "normal"
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startBtn["state"] = "normal"
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@ -862,7 +850,6 @@ def resetDecryptionUI():
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# Reset UI to original state (no file selected)
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def resetUI():
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selectFileInput["state"] = "normal"
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adArea["state"] = "normal"
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adArea.delete("1.0",tkinter.END)
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adArea["state"] = "disabled"
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@ -875,7 +862,7 @@ def resetUI():
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cpasswordInput["state"] = "disabled"
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cpasswordString.set("Confirm password:")
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progress["value"] = 0
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inputString.set("Please select a file.")
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inputString.set("Please drag and drop files here.")
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keepBtn["state"] = "normal"
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keep.set(0)
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keepBtn["state"] = "disabled"
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@ -888,6 +875,15 @@ def resetUI():
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progress.config(mode="determinate")
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progress["value"] = 0
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def showOutput(file):
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if platform.system()=="Windows":
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system(f'explorer /select,"{file}"')
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elif platform.system()=="Darwin":
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system(f'cd "{file}"; open -R .')
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system(f'cd "{rootDir}"')
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else:
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system(f'xdg-open "{dirname(file)}"')
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# ad stands for "associated data"/metadata
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adLabelString = tkinter.StringVar(tk)
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adLabelString.set(adString)
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