Cleared all print statements in Modules, Errors are raised instead of print. file_steg works with csv.

Signed-off-by: devoalda <linuxes_mojoworld@aleeas.com>

Application/lib/steganography/file_steg.py

@@ -7,7 +7,7 @@ class file_steg:
         Initialize the class
         :param file: Path to the file to encode or decode
         :type file: str
-        :param bit_positions: Bit to hide the data in (1 - LSB to 8 - MSB)
+        :param bit_positions: Bit to hide the data in (1 - LSB to 8 - MSB) Default is LSB (index = 7)
         :type bit_positions: list[int]
         """
         self.supported_extensions = [
@@ -15,15 +15,17 @@ class file_steg:
             "mp4",
             "docx",
             "xlsx",
+            "csv",
             "pptx"
         ]
         if file is None:
             raise ValueError(f"[-] Error: File path is required")
         if file.split(".")[-1] not in self.supported_extensions:
             raise ValueError(f"[-] Error: File extension {file.split('.')[-1]} is not supported")
-
+        else:
             self.file = file
-        self.bits_to_hide = [8 - bit_pos for bit_pos in bit_positions] if bit_positions else [1]  # Default is LSB
+
+        self.bits_to_hide = [8 - bit_pos for bit_pos in bit_positions] if bit_positions else [7]  # Default is LSB
         self.delimiter = "LZu30,#"  # Delimiter to indicate the end of the secret data
 
     def encode(self, secret_data_str: str = "Hello World") -> bytes:
@@ -40,9 +42,9 @@ class file_steg:
             data = f.read()
 
         # Max Bytes to encode
-        n_bytes = len(data) >> 3
+        n_bytes = len(data) * 8 * len(self.bits_to_hide)
 
-        if len(secret_data_str) > n_bytes:
+        if len(secret_data_str) * 8 > n_bytes:
             raise ValueError(
                 f"[-] Error: Binary Secret data length {len(secret_data_str)} is greater than data length {n_bytes}")
 
@@ -55,7 +57,6 @@ class file_steg:
         data_index = 0
         encoded_data = bytearray()
 
-        print(f"[+] Starting encoding...")
         for byte in data:
             if data_index >= len(binary_secret_data):
                 encoded_data.append(byte)
@@ -70,7 +71,6 @@ class file_steg:
                         byte = int("".join(byte), 2)
                 encoded_data.append(byte)
 
-        print(f"[+] Encoding completed successfully.")
         return bytes(encoded_data)
 
     def decode(self) -> str:
@@ -83,7 +83,7 @@ class file_steg:
             data = f.read()
 
         binary_data = ""
-        print(f"[+] Starting decoding...")
+        decoded_data = ""
         for byte in data:
             # Add byte to binary data
             # Convert byte from int to binary string
@@ -95,13 +95,11 @@ class file_steg:
 
         all_bytes = [binary_data[i: i + 8] for i in range(0, len(binary_data), 8)]
 
-        decoded_data = ""
         for byte in all_bytes:
             decoded_data += chr(int(byte, 2))
             if decoded_data[-len(self.delimiter):] == self.delimiter:
                 break
 
-        print(f"[+] Decoding completed successfully.")
         # Return the decoded data
         return decoded_data[:-len(self.delimiter)]
 
@@ -123,31 +121,36 @@ class file_steg:
             raise TypeError("Type not supported")
 
 
+def main():
+    raise NotImplementedError("This module is not meant to run by itself")
+    # with open("../Txt_Steg/secret_data.txt", "r") as f:
+    #     secret_data = f.read()
+    #
+    # bits_to_hide = np.random.choice(range(1, 9), np.random.randint(1, 9), replace=False)
+    # bits_to_hide = list(bits_to_hide)
+    # bits_to_hide.sort()
+    # print(f"Bits to hide: {bits_to_hide}")
+    #
+    # mp3_file = "audio.mp3"
+    # mp4_file = "video.mp4"
+    # docx_file = "test.docx"
+    # output_file_mp3 = "encoded_audio.mp3"
+    # output_file_mp4 = "encoded_video.mp4"
+    # output_docx_file = "encoded_test.docx"
+    #
+    # # Encode data, get as bytes
+    # encoded_data = file_steg(file=mp3_file, bit_positions=bits_to_hide).encode(secret_data_str=secret_data)
+    #
+    # # Write encoded data to file
+    # with open(output_file_mp3, "wb") as f:
+    #     f.write(encoded_data)
+    #
+    # # Decode data from mp3 file
+    # decoded_data = file_steg(file=output_file_mp3, bit_positions=bits_to_hide).decode()
+    #
+    # # Print the decoded data
+    # print("[+] Decoded data:", decoded_data)
+
+
 if __name__ == "__main__":
-    with open("../Txt_Steg/secret_data.txt", "r") as f:
-        secret_data = f.read()
-
-    bits_to_hide = np.random.choice(range(1, 9), np.random.randint(1, 9), replace=False)
-    bits_to_hide = list(bits_to_hide)
-    bits_to_hide.sort()
-    print(f"Bits to hide: {bits_to_hide}")
-
-    mp3_file = "audio.mp3"
-    mp4_file = "video.mp4"
-    docx_file = "test.docx"
-    output_file_mp3 = "encoded_audio.mp3"
-    output_file_mp4 = "encoded_video.mp4"
-    output_docx_file = "encoded_test.docx"
-
-    # Encode data, get as bytes
-    encoded_data = file_steg(file=mp3_file, bit_positions=bits_to_hide).encode(secret_data_str=secret_data)
-
-    # Write encoded data to file
-    with open(output_file_mp3, "wb") as f:
-        f.write(encoded_data)
-
-    # Decode data from mp3 file
-    decoded_data = file_steg(file=output_file_mp3, bit_positions=bits_to_hide).decode()
-
-    # Print the decoded data
-    print("[+] Decoded data:", decoded_data)
+    main()

Application/lib/steganography/img_steg.py

@@ -3,16 +3,21 @@ import numpy as np
 
 
 class img_steg:
-    def __init__(self, image_name: str = "image.png", bit_to_hide: list[int] = None) -> None:
+    def __init__(self, image_name: str = None, bit_to_hide: list[int] = None) -> None:
         """
         Initialize the class
         :param image_name:  Name of the image to encode or decode
         :type image_name: str
-        :param bit_to_hide: List of bit position to hide the data (LSB is 1, MSB is 8)
+        :param bit_to_hide: List of bit position to hide the data (LSB is 1, MSB is 8) Default is LSB (index = 7)
         :type bit_to_hide: list[int]
         """
+        if image_name:
             self.image_name = image_name
-        self.bit_to_hide = [8 - bit_pos for bit_pos in bit_to_hide] if bit_to_hide else [7]  # Default is LSB (index = 7)
+        else:
+            raise FileNotFoundError("[!] Please specify an image file")
+
+        self.bit_to_hide = [8 - bit_pos for bit_pos in bit_to_hide] if bit_to_hide else [
+            7]  # Default is LSB (index = 7)
         self.delimiter = "abc-123-a=="
 
     def encode(self, secret_data: str = "Hello World") -> np.ndarray:
@@ -25,28 +30,21 @@ class img_steg:
         """
         image = cv2.imread(self.image_name)  # read image
         n_bits = (image.shape[0] * image.shape[1] * 3) * 8 * len(self.bit_to_hide)  # Max bits to encode
-        print("[*] Maximum bytes to encode:", n_bits // 8)
-        print("[*] Maximum bits to encode:", n_bits)
 
         secret_data += self.delimiter  # Add delimiter at the end of data
 
         if len(secret_data) * 8 > n_bits:
             raise ValueError("[!] Insufficient bytes, need a bigger image or less data")
-        print("[*] Encoding Data...")
 
         # Convert bit to hide position
-        bit_to_hide = self.bit_to_hide
         data_index = 0
         binary_secret_data = self.to_bin(secret_data)  # Convert data to binary
         data_len = len(binary_secret_data)  # size of data to hide
 
-        print(f"[+] Size of data to hide: {data_len} bits")
-        print("[+] Starting encoding...")
-
         for row in image:
             for pixel in row:
                 r, g, b = self.to_bin(pixel)  # Convert RGB Values to binary format
-                for bit_pos in bit_to_hide:
+                for bit_pos in self.bit_to_hide:
                     if data_index < data_len:
                         r = list(r)
                         r[bit_pos] = binary_secret_data[
@@ -74,8 +72,6 @@ class img_steg:
                 if data_index >= data_len:
                     break
 
-        print(f"[+] Encoding completed")
-
         return image
 
     def decode(self) -> str:
@@ -84,23 +80,17 @@ class img_steg:
 
         :return: Decoded Data: String
         """
-        print("[+] Decoding...")
         image = cv2.imread(self.image_name)  # read image
         binary_data = ""
-        bit_to_hide = self.bit_to_hide
 
-        print(f"[+] Extracting data from image...")
         for row in image:
             for pixel in row:
                 r, g, b = self.to_bin(pixel)
-                for bit_pos in bit_to_hide:
+                for bit_pos in self.bit_to_hide:
                     binary_data += r[bit_pos]  # retrieve data from specified bit position of red pixel
                     binary_data += g[bit_pos]  # retrieve data from specified bit position of green pixel
                     binary_data += b[bit_pos]  # retrieve data from specified bit position of blue pixel
 
-        print(f"[+] Forming binary data completed")
-        print(f"[+] Decoding binary data...")
-
         # Split by 8 bits
         all_bytes = [binary_data[i: i + 8] for i in range(0, len(binary_data), 8)]
         # Convert from bits to characters
@@ -110,7 +100,6 @@ class img_steg:
             if decoded_data[-len(self.delimiter):] == self.delimiter:
                 break
 
-        print(f"[+] Decoding completed")
         return decoded_data[:-len(self.delimiter)]
 
     def to_bin(self, data: str) -> str | list[str]:
@@ -131,64 +120,32 @@ class img_steg:
         else:
             raise TypeError("Type not supported")
 
-    def from_bin(self, data: str) -> str:
-        """
-        # UNUSED
-        Convert binary `data` back to the original format
-
-        :param data: Binary Data
-        :type data: str
-        :return: Original Data
-        :rtype: str
-        """
-        return ''.join([chr(int(data[i:i + 8], 2)) for i in range(0, len(data), 8)])
-
 
 def main():
+    raise NotImplementedError("This module is not meant to run by itself")
     # Variables
-    image_name = "test.bmp"
-    encoded_image_name = "encoded_image.bmp"
-    secret_data = ""
-    # with open("../Txt_Steg/secret_data.txt", "r") as f:
-    #     secret_data = f.read()
-
-    # Generate random bit positions to hide data into image for testing
-    bit_to_hide = np.random.choice(range(1, 9), np.random.randint(1, 9), replace=False)
-    bit_to_hide = list(bit_to_hide)
-    bit_to_hide.sort()
-    print(f"Bits to hide: {bit_to_hide}")
-
-    print("Welcome to Image Steganography")
-
-    # Encode the data into the image
-    encoded_image = img_steg(image_name=image_name, bit_to_hide=bit_to_hide).encode(secret_data)
-    cv2.imwrite(encoded_image_name, encoded_image)
-
-    # Decode the data from the image
-    decoded_data = img_steg(image_name=encoded_image_name, bit_to_hide=bit_to_hide).decode()
-    print("Decoded Data:", decoded_data)
+    # image_name = "test.bmp"
+    # encoded_image_name = "encoded_image.bmp"
+    # secret_data = ""
+    # # with open("../Txt_Steg/secret_data.txt", "r") as f:
+    # #     secret_data = f.read()
+    #
+    # # Generate random bit positions to hide data into image for testing
+    # bit_to_hide = np.random.choice(range(1, 9), np.random.randint(1, 9), replace=False)
+    # bit_to_hide = list(bit_to_hide)
+    # bit_to_hide.sort()
+    # print(f"Bits to hide: {bit_to_hide}")
+    #
+    # print("Welcome to Image Steganography")
+    #
+    # # Encode the data into the image
+    # encoded_image = img_steg(image_name=image_name, bit_to_hide=bit_to_hide).encode(secret_data)
+    # cv2.imwrite(encoded_image_name, encoded_image)
+    #
+    # # Decode the data from the image
+    # decoded_data = img_steg(image_name=encoded_image_name, bit_to_hide=bit_to_hide).decode()
+    # print("Decoded Data:", decoded_data)
 
 
 if __name__ == "__main__":
     main()
-
-##############################
-#  _   _
-# | | | |___  __ _  __ _  ___
-# | | | / __|/ _` |/ _` |/ _ \
-# | |_| \__ \ (_| | (_| |  __/
-#  \___/|___/\__,_|\__, |\___|
-#                  |___/
-##############################
-#
-# Initialise class with image name and bit to hide
-#
-# image_name = image name with extension (String)
-# bit_to_hide = [1, 2, 3] (Please Sort the list in ascending order)
-#
-# To encode:
-# encoded_image = img_steg(image_name, bit_to_hide).encode(secret_data)
-#
-# To decode:
-# decoded_data = img_steg(image_name, bit_to_hide).decode()
-# Both are string types

Application/lib/steganography/txt_steg.py

@@ -2,16 +2,19 @@ import numpy as np
 
 
 class txt_steg:
-    def __init__(self, text_file: str = "text.txt", bit_to_hide: list[int] = None):
+    def __init__(self, text_file: str = None, bit_to_hide: list[int] = None) -> None:
         """
         Initialize the class
-        :param text_file: PathName of the text file to encode or decode
+        :param text_file: PathName of the text file to encode or decode (Required)
         :type text_file: str
-        :param bit_to_hide: Bit to hide the data in (1 - LSB to 8 - MSB)
+        :param bit_to_hide: Bit to hide the data in (1 - LSB to 8 - MSB), Default is LSB (index = 7)
         :type bit_to_hide: list[int]
         """
-        self.text_file = text_file  # PathName of the text file
-        self.bit_to_hide = [8 - bit_pos for bit_pos in bit_to_hide] if bit_to_hide else [7]  #Each bit value converted to index (e.g. bit 2 -> 6), Default is LSB (index = 7)
+        if text_file:
+            self.text_file = text_file
+        else:
+            raise FileNotFoundError("Please specify a text file")
+        self.bit_to_hide = [8 - bit_pos for bit_pos in bit_to_hide] if bit_to_hide else [7]
         self.delimiter = "abc-123=="  # Delimiter to indicate the end of the secret data
 
     def encode(self, secret_data: str = "Hello World") -> str:
@@ -20,18 +23,15 @@ class txt_steg:
         :param secret_data: String
         :type secret_data: str
         """
-        print("[+] Encoding...")
         # Read text file
-        if self.text_file != "":
         with open(self.text_file, "r") as f:
             data = f.read()
-        else:
-            raise FileNotFoundError("File not found")
 
         secret_data += self.delimiter  # Add delimiter
 
         # Max Bits to encode (1 Character = 8 bits)
-        n_bits = len(data) * len(self.bit_to_hide) # Bits that can be used (Each character x Number of bits that can be used)
+        n_bits = len(data) * len(
+            self.bit_to_hide)  # Bits that can be used (Each character x Number of bits that can be used)
 
         # Check if secret data can be encoded into text file
         if len(secret_data) * 8 > n_bits:
@@ -44,7 +44,6 @@ class txt_steg:
 
         encoded_data = ""
 
-        print(f"[+] Starting encoding...")
         # Encode data into text
         for char in data:
             bin_char = self.to_bin(char)
@@ -59,7 +58,6 @@ class txt_steg:
                         data_index += 1
                 encoded_data += self.from_bin(''.join(bin_char))
 
-        print(f"[+] Encoded Successfully!")
         return encoded_data
 
     def decode(self) -> str:
@@ -69,23 +67,17 @@ class txt_steg:
         Secret text is stored in the bit_to_hide positions
         :return: Decoded Data: String
         """
-        print("[+] Decoding...")
         # Read text file and covert to binary
-        if self.text_file != "":
         with open(self.text_file, "r") as f:
             data = f.read()
-        else:
-            raise FileNotFoundError("File not found")
 
         binary_data = ""
-        print(f"[+] Gathering data from bit positions: {self.bit_to_hide}")
         for char in data:
             bin_char = self.to_bin(char)
             bin_char = "0" * (8 - len(bin_char)) + bin_char
             for bit_pos in self.bit_to_hide:
                 binary_data += bin_char[bit_pos]
 
-        print(f"[+] Converting binary data to text...")
         all_chars = [binary_data[i:i + 8] for i in range(0, len(binary_data), 8)]
 
         decoded_data = ""
@@ -94,7 +86,6 @@ class txt_steg:
             if decoded_data[-len(self.delimiter):] == self.delimiter:
                 break
 
-        print(f"[+] Decoded Successfully!")
         return decoded_data[:-len(self.delimiter)]
 
     def to_bin(self, data: str) -> str | list[str]:
@@ -126,26 +117,27 @@ class txt_steg:
 
 
 def main():
-    print("Welcome to Text Steganography")
-    text_file_name = "test.txt"
-    with open("../Txt_Steg/secret_data.txt", "r") as f:
-        secret_data = f.read()
-
-    # Create a unique random number list from 1-8, spanning anywhere from 1-8 bits, for testing purposes
-    bits_to_hide = np.random.choice(range(1, 9), np.random.randint(1, 9), replace=False)
-    bits_to_hide = list(bits_to_hide)
-    bits_to_hide.sort()
-    print(f"Bits to hide: {bits_to_hide}")
-
-    # Encode
-    encoded_file_name = "encoded_text.txt"
-    encoded_data = txt_steg(text_file=text_file_name, bit_to_hide=bits_to_hide).encode(secret_data)
-    with open(f"{encoded_file_name}", "w") as f:
-        f.write(encoded_data)
-
-    # Decode
-    decoded_data = txt_steg(text_file=encoded_file_name, bit_to_hide=bits_to_hide).decode()
-    print(decoded_data)
+    raise NotImplementedError("This module is not meant to run by itself")
+    # print("Welcome to Text Steganography")
+    # text_file_name = "test.txt"
+    # with open("../Txt_Steg/secret_data.txt", "r") as f:
+    #     secret_data = f.read()
+    #
+    # # Create a unique random number list from 1-8, spanning anywhere from 1-8 bits, for testing purposes
+    # bits_to_hide = np.random.choice(range(1, 9), np.random.randint(1, 9), replace=False)
+    # bits_to_hide = list(bits_to_hide)
+    # bits_to_hide.sort()
+    # print(f"Bits to hide: {bits_to_hide}")
+    #
+    # # Encode
+    # encoded_file_name = "encoded_text.txt"
+    # encoded_data = txt_steg(text_file=text_file_name, bit_to_hide=bits_to_hide).encode(secret_data)
+    # with open(f"{encoded_file_name}", "w") as f:
+    #     f.write(encoded_data)
+    #
+    # # Decode
+    # decoded_data = txt_steg(text_file=encoded_file_name, bit_to_hide=bits_to_hide).decode()
+    # print(decoded_data)
 
 
 if __name__ == "__main__":

Application/lsb_rep.py

@@ -6,14 +6,14 @@ import sys
 import wave
 import warnings
 
-MAX_SESSION_SIZE = 4096 * 2
+MAX_SESSION_SIZE = 4096 * 3
 WORKING_PATH = os.path.join(os.path.dirname(os.path.abspath(sys.argv[0])), "upload") + os.sep
 
 # Supported file extensions
 supported_files = {
     "txt_files": ["txt", "py", "sql", "html", "css", "js", "php", "c", "cpp", "java", "json", "xml", "yml", "md"],
     "gen_files": ["mp3", "mp4"],
-    "doc_files": ["docx", "xlsx", "pptx"],
+    "doc_files": ["docx", "xlsx", "pptx", "csv"],
     "wav_files": ["wav"],
     "image_files": ["bmp", "png"]
 }

Application/upload/test.csv

@@ -0,0 +1,101 @@
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
+ 1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6
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