alee/stegasoo
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Version 3.0.2 full expirimental DCT support, jpegio for better jpg manipulation, etc.

Browse Source
This commit is contained in:
Aaron D. Lee
2025-12-31 15:43:29 -05:00
parent 4eefc946c4
commit 34376b2dfe
19 changed files with 2954 additions and 2200 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
frontends/web/app.py
View File

@@ -5,7 +5,7 @@ Stegasoo Web Frontend (v3.0.1)
Flask-based web UI for steganography operations.
Supports both text messages and file embedding.
NEW in v3.0: LSB and DCT embedding modes with advanced options.
NEW in v3.0.1: DCT output format selection (PNG or JPEG).
NEW in v3.0.1: DCT output format selection (PNG or JPEG) and color mode (grayscale or color).
"""
import io
@@ -532,6 +532,11 @@ def encode_page():
if dct_output_format not in ('png', 'jpeg'):
dct_output_format = 'png'
# NEW in v3.0.1 - DCT color mode (default to 'color')
dct_color_mode = request.form.get('dct_color_mode', 'color')
if dct_color_mode not in ('grayscale', 'color'):
dct_color_mode = 'color'
# Check DCT availability
if embed_mode == 'dct' and not has_dct_support():
flash('DCT mode requires scipy. Install with: pip install scipy', 'error')
@@ -624,7 +629,7 @@ def encode_page():
else:
date_str = datetime.now().strftime('%Y-%m-%d')
# Encode with selected mode and output format
# Encode with selected mode, output format, and color mode
encode_result = encode(
message=payload,
reference_photo=ref_data,
@@ -634,8 +639,9 @@ def encode_page():
rsa_key_data=rsa_key_data,
rsa_password=key_password,
date_str=date_str,
embed_mode=embed_mode, # NEW in v3.0
dct_output_format=dct_output_format if embed_mode == 'dct' else None, # NEW in v3.0.1
embed_mode=embed_mode,
dct_output_format=dct_output_format if embed_mode == 'dct' else None,
dct_color_mode=dct_color_mode if embed_mode == 'dct' else None,
)
# Determine actual output format for filename and storage
@@ -660,6 +666,7 @@ def encode_page():
'timestamp': time.time(),
'embed_mode': embed_mode,
'output_format': dct_output_format if embed_mode == 'dct' else 'png',
'color_mode': dct_color_mode if embed_mode == 'dct' else None,
'mime_type': output_mime,
}
@@ -699,7 +706,8 @@ def encode_result(file_id):
filename=file_info['filename'],
thumbnail_url=url_for('encode_thumbnail', thumb_id=thumbnail_id) if thumbnail_id else None,
embed_mode=file_info.get('embed_mode', 'lsb'),
output_format=file_info.get('output_format', 'png'), # NEW in v3.0.1
output_format=file_info.get('output_format', 'png'),
color_mode=file_info.get('color_mode'), # NEW in v3.0.1
)
@@ -856,7 +864,7 @@ def decode_page():
rsa_key_data=rsa_key_data,
rsa_password=key_password,
date_str=stego_date if stego_date else None,
embed_mode=embed_mode, # NEW in v3.0
embed_mode=embed_mode,
)
if decode_result.is_file: