670 lines
25 KiB
Python
670 lines
25 KiB
Python
#!/usr/bin/env python3
|
||
"""
|
||
Stegasoo CLI - Command-line interface for steganography operations.
|
||
|
||
Usage:
|
||
stegasoo generate [OPTIONS]
|
||
stegasoo encode [OPTIONS]
|
||
stegasoo decode [OPTIONS]
|
||
stegasoo verify [OPTIONS]
|
||
stegasoo info [OPTIONS]
|
||
"""
|
||
|
||
import sys
|
||
from pathlib import Path
|
||
from typing import Optional
|
||
|
||
import click
|
||
|
||
# Add parent to path for development
|
||
sys.path.insert(0, str(Path(__file__).parent.parent.parent / 'src'))
|
||
|
||
import stegasoo
|
||
from stegasoo import (
|
||
encode, encode_file, decode,
|
||
generate_credentials,
|
||
export_rsa_key_pem, load_rsa_key,
|
||
validate_image, calculate_capacity,
|
||
get_day_from_date, parse_date_from_filename,
|
||
DAY_NAMES, __version__,
|
||
StegasooError, DecryptionError, ExtractionError,
|
||
FilePayload,
|
||
# New in 2.2.1
|
||
will_fit,
|
||
strip_image_metadata,
|
||
)
|
||
|
||
# QR Code utilities
|
||
try:
|
||
from stegasoo.qr_utils import (
|
||
extract_key_from_qr_file,
|
||
generate_qr_code,
|
||
has_qr_read, has_qr_write,
|
||
can_fit_in_qr, needs_compression,
|
||
)
|
||
HAS_QR = True
|
||
except ImportError:
|
||
HAS_QR = False
|
||
has_qr_read = lambda: False
|
||
has_qr_write = lambda: False
|
||
|
||
|
||
# ============================================================================
|
||
# CLI SETUP
|
||
# ============================================================================
|
||
|
||
CONTEXT_SETTINGS = dict(help_option_names=['-h', '--help'])
|
||
|
||
|
||
@click.group(context_settings=CONTEXT_SETTINGS)
|
||
@click.version_option(__version__, '-v', '--version')
|
||
def cli():
|
||
"""
|
||
Stegasoo - Secure steganography with hybrid authentication.
|
||
|
||
Hide encrypted messages or files in images using a combination of:
|
||
|
||
\b
|
||
• Reference photo (something you have)
|
||
• Daily passphrase (something you know)
|
||
• Static PIN or RSA key (additional security)
|
||
"""
|
||
pass
|
||
|
||
|
||
# ============================================================================
|
||
# GENERATE COMMAND
|
||
# ============================================================================
|
||
|
||
@cli.command()
|
||
@click.option('--pin/--no-pin', default=True, help='Generate a PIN (default: yes)')
|
||
@click.option('--rsa/--no-rsa', default=False, help='Generate an RSA key')
|
||
@click.option('--pin-length', type=click.IntRange(6, 9), default=6, help='PIN length (6-9)')
|
||
@click.option('--rsa-bits', type=click.Choice(['2048', '3072', '4096']), default='2048', help='RSA key size')
|
||
@click.option('--words', type=click.IntRange(3, 12), default=3, help='Words per phrase (3-12)')
|
||
@click.option('--output', '-o', type=click.Path(), help='Save RSA key to file (requires password)')
|
||
@click.option('--password', '-p', help='Password for RSA key file')
|
||
@click.option('--json', 'as_json', is_flag=True, help='Output as JSON')
|
||
def generate(pin, rsa, pin_length, rsa_bits, words, output, password, as_json):
|
||
"""
|
||
Generate credentials for encoding/decoding.
|
||
|
||
Creates daily passphrases and optionally a PIN and/or RSA key.
|
||
At least one of --pin or --rsa must be enabled.
|
||
|
||
\b
|
||
Examples:
|
||
stegasoo generate
|
||
stegasoo generate --rsa --rsa-bits 4096
|
||
stegasoo generate --rsa -o mykey.pem -p "secretpassword"
|
||
stegasoo generate --no-pin --rsa
|
||
"""
|
||
if not pin and not rsa:
|
||
raise click.UsageError("Must enable at least one of --pin or --rsa")
|
||
|
||
if output and not password:
|
||
raise click.UsageError("--password is required when saving RSA key to file")
|
||
|
||
if password and len(password) < 8:
|
||
raise click.UsageError("Password must be at least 8 characters")
|
||
|
||
try:
|
||
creds = generate_credentials(
|
||
use_pin=pin,
|
||
use_rsa=rsa,
|
||
pin_length=pin_length,
|
||
rsa_bits=int(rsa_bits),
|
||
words_per_phrase=words
|
||
)
|
||
|
||
if as_json:
|
||
import json
|
||
data = {
|
||
'phrases': creds.phrases,
|
||
'pin': creds.pin,
|
||
'rsa_key': creds.rsa_key_pem,
|
||
'entropy': {
|
||
'phrase': creds.phrase_entropy,
|
||
'pin': creds.pin_entropy,
|
||
'rsa': creds.rsa_entropy,
|
||
'total': creds.total_entropy,
|
||
}
|
||
}
|
||
click.echo(json.dumps(data, indent=2))
|
||
return
|
||
|
||
# Pretty output
|
||
click.echo()
|
||
click.secho("═" * 60, fg='cyan')
|
||
click.secho(" STEGASOO CREDENTIALS", fg='cyan', bold=True)
|
||
click.secho("═" * 60, fg='cyan')
|
||
click.echo()
|
||
|
||
click.secho("⚠️ MEMORIZE THESE AND CLOSE THIS WINDOW", fg='yellow', bold=True)
|
||
click.secho(" Do not screenshot or save to file!", fg='yellow')
|
||
click.echo()
|
||
|
||
if creds.pin:
|
||
click.secho("─── STATIC PIN ───", fg='green')
|
||
click.secho(f" {creds.pin}", fg='bright_yellow', bold=True)
|
||
click.echo()
|
||
|
||
click.secho("─── DAILY PHRASES ───", fg='green')
|
||
for day in DAY_NAMES:
|
||
phrase = creds.phrases[day]
|
||
click.echo(f" {day:9} │ ", nl=False)
|
||
click.secho(phrase, fg='bright_white')
|
||
click.echo()
|
||
|
||
if creds.rsa_key_pem:
|
||
click.secho("─── RSA KEY ───", fg='green')
|
||
if output:
|
||
# Save to file
|
||
private_key = load_rsa_key(creds.rsa_key_pem.encode())
|
||
encrypted_pem = export_rsa_key_pem(private_key, password)
|
||
Path(output).write_bytes(encrypted_pem)
|
||
click.secho(f" Saved to: {output}", fg='bright_white')
|
||
click.secho(f" Password: {'*' * len(password)}", dim=True)
|
||
else:
|
||
click.echo(creds.rsa_key_pem)
|
||
click.echo()
|
||
|
||
click.secho("─── SECURITY ───", fg='green')
|
||
click.echo(f" Phrase entropy: {creds.phrase_entropy} bits")
|
||
if creds.pin:
|
||
click.echo(f" PIN entropy: {creds.pin_entropy} bits")
|
||
if creds.rsa_key_pem:
|
||
click.echo(f" RSA entropy: {creds.rsa_entropy} bits")
|
||
click.echo(f" Combined: {creds.total_entropy} bits")
|
||
click.secho(f" + photo entropy: 80-256 bits", dim=True)
|
||
click.echo()
|
||
|
||
except Exception as e:
|
||
raise click.ClickException(str(e))
|
||
|
||
|
||
# ============================================================================
|
||
# ENCODE COMMAND
|
||
# ============================================================================
|
||
|
||
@cli.command()
|
||
@click.option('--ref', '-r', required=True, type=click.Path(exists=True), help='Reference photo')
|
||
@click.option('--carrier', '-c', required=True, type=click.Path(exists=True), help='Carrier image')
|
||
@click.option('--message', '-m', help='Text message to encode')
|
||
@click.option('--message-file', '-f', type=click.Path(exists=True), help='Read text message from file')
|
||
@click.option('--embed-file', '-e', type=click.Path(exists=True), help='Embed a file (binary)')
|
||
@click.option('--phrase', '-p', required=True, help='Day phrase')
|
||
@click.option('--pin', help='Static PIN')
|
||
@click.option('--key', '-k', type=click.Path(exists=True), help='RSA key file (.pem)')
|
||
@click.option('--key-qr', type=click.Path(exists=True), help='RSA key from QR code image')
|
||
@click.option('--key-password', help='RSA key password (for encrypted .pem files)')
|
||
@click.option('--output', '-o', type=click.Path(), help='Output file (default: auto-generated)')
|
||
@click.option('--date', 'date_str', help='Date override (YYYY-MM-DD)')
|
||
@click.option('--quiet', '-q', is_flag=True, help='Suppress output except errors')
|
||
def encode_cmd(ref, carrier, message, message_file, embed_file, phrase, pin, key, key_qr, key_password, output, date_str, quiet):
|
||
"""
|
||
Encode a secret message or file into an image.
|
||
|
||
Requires a reference photo, carrier image, and day phrase.
|
||
Must provide either --pin or --key/--key-qr (or both).
|
||
|
||
For text messages, use -m or -f or pipe via stdin.
|
||
For binary files, use -e/--embed-file.
|
||
RSA key can be provided as a .pem file (--key) or QR code image (--key-qr).
|
||
|
||
\b
|
||
Examples:
|
||
# Text message with PIN
|
||
stegasoo encode -r photo.jpg -c meme.png -p "apple forest thunder" --pin 123456 -m "secret"
|
||
|
||
# With RSA key file
|
||
stegasoo encode -r photo.jpg -c meme.png -p "words" -k mykey.pem -m "secret"
|
||
|
||
# With RSA key from QR code image
|
||
stegasoo encode -r photo.jpg -c meme.png -p "words" --key-qr keyqr.png -m "secret"
|
||
|
||
# Embed a binary file
|
||
stegasoo encode -r photo.jpg -c meme.png -p "words" --pin 123456 -e secret.pdf
|
||
"""
|
||
# Determine what to encode
|
||
payload = None
|
||
|
||
if embed_file:
|
||
# Binary file embedding
|
||
payload = FilePayload.from_file(embed_file)
|
||
if not quiet:
|
||
click.echo(f"Embedding file: {payload.filename} ({len(payload.data):,} bytes)")
|
||
elif message:
|
||
payload = message
|
||
elif message_file:
|
||
payload = Path(message_file).read_text()
|
||
elif not sys.stdin.isatty():
|
||
payload = sys.stdin.read()
|
||
else:
|
||
raise click.UsageError("Must provide message via -m, -f, -e, or stdin")
|
||
|
||
# Load key if provided (from .pem file or QR code image)
|
||
rsa_key_data = None
|
||
rsa_key_from_qr = False
|
||
|
||
if key and key_qr:
|
||
raise click.UsageError("Cannot use both --key and --key-qr. Choose one.")
|
||
|
||
if key:
|
||
rsa_key_data = Path(key).read_bytes()
|
||
elif key_qr:
|
||
if not HAS_QR or not has_qr_read():
|
||
raise click.ClickException(
|
||
"QR code reading not available. Install: pip install pyzbar\n"
|
||
"Also requires system library: sudo apt-get install libzbar0"
|
||
)
|
||
key_pem = extract_key_from_qr_file(key_qr)
|
||
if not key_pem:
|
||
raise click.ClickException(f"Could not extract RSA key from QR code: {key_qr}")
|
||
rsa_key_data = key_pem.encode('utf-8')
|
||
rsa_key_from_qr = True
|
||
if not quiet:
|
||
click.echo(f"Loaded RSA key from QR code: {key_qr}")
|
||
|
||
# QR code keys are never password-protected
|
||
effective_key_password = None if rsa_key_from_qr else key_password
|
||
|
||
# Validate security factors
|
||
if not pin and not rsa_key_data:
|
||
raise click.UsageError("Must provide --pin or --key/--key-qr (or both)")
|
||
|
||
try:
|
||
ref_photo = Path(ref).read_bytes()
|
||
carrier_image = Path(carrier).read_bytes()
|
||
|
||
# Pre-check capacity
|
||
fit_check = will_fit(payload, carrier_image)
|
||
if not fit_check['fits']:
|
||
raise click.ClickException(
|
||
f"Payload too large for carrier image.\n"
|
||
f" Payload: {fit_check['payload_size']:,} bytes\n"
|
||
f" Capacity: {fit_check['capacity']:,} bytes\n"
|
||
f" Shortfall: {-fit_check['headroom']:,} bytes"
|
||
)
|
||
|
||
result = encode(
|
||
message=payload,
|
||
reference_photo=ref_photo,
|
||
carrier_image=carrier_image,
|
||
day_phrase=phrase,
|
||
pin=pin or "",
|
||
rsa_key_data=rsa_key_data,
|
||
rsa_password=effective_key_password,
|
||
date_str=date_str,
|
||
)
|
||
|
||
# Determine output path
|
||
if output:
|
||
out_path = Path(output)
|
||
else:
|
||
out_path = Path(result.filename)
|
||
|
||
# Write output
|
||
out_path.write_bytes(result.stego_image)
|
||
|
||
if not quiet:
|
||
click.secho(f"✓ Encoded successfully!", fg='green')
|
||
click.echo(f" Output: {out_path}")
|
||
click.echo(f" Size: {len(result.stego_image):,} bytes")
|
||
click.echo(f" Capacity used: {result.capacity_percent:.1f}%")
|
||
click.echo(f" Date: {result.date_used}")
|
||
|
||
except StegasooError as e:
|
||
raise click.ClickException(str(e))
|
||
except click.ClickException:
|
||
raise
|
||
except Exception as e:
|
||
raise click.ClickException(f"Error: {e}")
|
||
|
||
|
||
# ============================================================================
|
||
# DECODE COMMAND
|
||
# ============================================================================
|
||
|
||
@cli.command()
|
||
@click.option('--ref', '-r', required=True, type=click.Path(exists=True), help='Reference photo')
|
||
@click.option('--stego', '-s', required=True, type=click.Path(exists=True), help='Stego image')
|
||
@click.option('--phrase', '-p', required=True, help='Day phrase')
|
||
@click.option('--pin', help='Static PIN')
|
||
@click.option('--key', '-k', type=click.Path(exists=True), help='RSA key file (.pem)')
|
||
@click.option('--key-qr', type=click.Path(exists=True), help='RSA key from QR code image')
|
||
@click.option('--key-password', help='RSA key password (for encrypted .pem files)')
|
||
@click.option('--output', '-o', type=click.Path(), help='Save decoded content to file')
|
||
@click.option('--quiet', '-q', is_flag=True, help='Output only the content (for text) or suppress messages (for files)')
|
||
@click.option('--force', is_flag=True, help='Overwrite existing output file')
|
||
def decode_cmd(ref, stego, phrase, pin, key, key_qr, key_password, output, quiet, force):
|
||
"""
|
||
Decode a secret message or file from a stego image.
|
||
|
||
Must use the same credentials that were used for encoding.
|
||
Automatically detects whether content is text or a file.
|
||
RSA key can be provided as a .pem file (--key) or QR code image (--key-qr).
|
||
|
||
\b
|
||
Examples:
|
||
# Decode with PIN
|
||
stegasoo decode -r photo.jpg -s stego.png -p "apple forest thunder" --pin 123456
|
||
|
||
# Decode with RSA key file
|
||
stegasoo decode -r photo.jpg -s stego.png -p "words" -k mykey.pem
|
||
|
||
# Decode with RSA key from QR code image
|
||
stegasoo decode -r photo.jpg -s stego.png -p "words" --key-qr keyqr.png
|
||
|
||
# Save output to file
|
||
stegasoo decode -r photo.jpg -s stego.png -p "words" --pin 123456 -o output.txt
|
||
"""
|
||
# Load key if provided (from .pem file or QR code image)
|
||
rsa_key_data = None
|
||
rsa_key_from_qr = False
|
||
|
||
if key and key_qr:
|
||
raise click.UsageError("Cannot use both --key and --key-qr. Choose one.")
|
||
|
||
if key:
|
||
rsa_key_data = Path(key).read_bytes()
|
||
elif key_qr:
|
||
if not HAS_QR or not has_qr_read():
|
||
raise click.ClickException(
|
||
"QR code reading not available. Install: pip install pyzbar\n"
|
||
"Also requires system library: sudo apt-get install libzbar0"
|
||
)
|
||
key_pem = extract_key_from_qr_file(key_qr)
|
||
if not key_pem:
|
||
raise click.ClickException(f"Could not extract RSA key from QR code: {key_qr}")
|
||
rsa_key_data = key_pem.encode('utf-8')
|
||
rsa_key_from_qr = True
|
||
if not quiet:
|
||
click.echo(f"Loaded RSA key from QR code: {key_qr}")
|
||
|
||
# QR code keys are never password-protected
|
||
effective_key_password = None if rsa_key_from_qr else key_password
|
||
|
||
# Validate security factors
|
||
if not pin and not rsa_key_data:
|
||
raise click.UsageError("Must provide --pin or --key/--key-qr (or both)")
|
||
|
||
try:
|
||
ref_photo = Path(ref).read_bytes()
|
||
stego_image = Path(stego).read_bytes()
|
||
|
||
result = decode(
|
||
stego_image=stego_image,
|
||
reference_photo=ref_photo,
|
||
day_phrase=phrase,
|
||
pin=pin or "",
|
||
rsa_key_data=rsa_key_data,
|
||
rsa_password=effective_key_password,
|
||
)
|
||
|
||
if result.is_file:
|
||
# File content
|
||
if output:
|
||
out_path = Path(output)
|
||
elif result.filename:
|
||
out_path = Path(result.filename)
|
||
else:
|
||
out_path = Path("decoded_file")
|
||
|
||
if out_path.exists() and not force:
|
||
raise click.ClickException(
|
||
f"Output file '{out_path}' exists. Use --force to overwrite."
|
||
)
|
||
|
||
out_path.write_bytes(result.file_data)
|
||
|
||
if not quiet:
|
||
click.secho("✓ Decoded file successfully!", fg='green')
|
||
click.echo(f" Saved to: {out_path}")
|
||
click.echo(f" Size: {len(result.file_data):,} bytes")
|
||
if result.mime_type:
|
||
click.echo(f" Type: {result.mime_type}")
|
||
else:
|
||
# Text content
|
||
if output:
|
||
Path(output).write_text(result.message)
|
||
if not quiet:
|
||
click.secho("✓ Decoded successfully!", fg='green')
|
||
click.echo(f" Saved to: {output}")
|
||
else:
|
||
if quiet:
|
||
click.echo(result.message)
|
||
else:
|
||
click.secho("✓ Decoded successfully!", fg='green')
|
||
click.echo()
|
||
click.echo(result.message)
|
||
|
||
except (DecryptionError, ExtractionError) as e:
|
||
raise click.ClickException(f"Decryption failed: {e}")
|
||
except StegasooError as e:
|
||
raise click.ClickException(str(e))
|
||
except Exception as e:
|
||
raise click.ClickException(f"Error: {e}")
|
||
|
||
|
||
# ============================================================================
|
||
# VERIFY COMMAND
|
||
# ============================================================================
|
||
|
||
@cli.command()
|
||
@click.option('--ref', '-r', required=True, type=click.Path(exists=True), help='Reference photo')
|
||
@click.option('--stego', '-s', required=True, type=click.Path(exists=True), help='Stego image')
|
||
@click.option('--phrase', '-p', required=True, help='Day phrase')
|
||
@click.option('--pin', help='Static PIN')
|
||
@click.option('--key', '-k', type=click.Path(exists=True), help='RSA key file (.pem)')
|
||
@click.option('--key-qr', type=click.Path(exists=True), help='RSA key from QR code image')
|
||
@click.option('--key-password', help='RSA key password (for encrypted .pem files)')
|
||
@click.option('--json', 'as_json', is_flag=True, help='Output as JSON')
|
||
def verify(ref, stego, phrase, pin, key, key_qr, key_password, as_json):
|
||
"""
|
||
Verify that a stego image can be decoded without extracting the message.
|
||
|
||
Quick check to validate credentials are correct and data is intact.
|
||
Does NOT output the actual message content.
|
||
|
||
\b
|
||
Examples:
|
||
stegasoo verify -r photo.jpg -s stego.png -p "apple forest thunder" --pin 123456
|
||
|
||
stegasoo verify -r photo.jpg -s stego.png -p "words" -k mykey.pem --json
|
||
"""
|
||
# Load key if provided
|
||
rsa_key_data = None
|
||
rsa_key_from_qr = False
|
||
|
||
if key and key_qr:
|
||
raise click.UsageError("Cannot use both --key and --key-qr. Choose one.")
|
||
|
||
if key:
|
||
rsa_key_data = Path(key).read_bytes()
|
||
elif key_qr:
|
||
if not HAS_QR or not has_qr_read():
|
||
raise click.ClickException(
|
||
"QR code reading not available. Install: pip install pyzbar\n"
|
||
"Also requires system library: sudo apt-get install libzbar0"
|
||
)
|
||
key_pem = extract_key_from_qr_file(key_qr)
|
||
if not key_pem:
|
||
raise click.ClickException(f"Could not extract RSA key from QR code: {key_qr}")
|
||
rsa_key_data = key_pem.encode('utf-8')
|
||
rsa_key_from_qr = True
|
||
|
||
effective_key_password = None if rsa_key_from_qr else key_password
|
||
|
||
if not pin and not rsa_key_data:
|
||
raise click.UsageError("Must provide --pin or --key/--key-qr (or both)")
|
||
|
||
try:
|
||
ref_photo = Path(ref).read_bytes()
|
||
stego_image = Path(stego).read_bytes()
|
||
|
||
# Attempt to decode
|
||
result = decode(
|
||
stego_image=stego_image,
|
||
reference_photo=ref_photo,
|
||
day_phrase=phrase,
|
||
pin=pin or "",
|
||
rsa_key_data=rsa_key_data,
|
||
rsa_password=effective_key_password,
|
||
)
|
||
|
||
# Calculate payload size
|
||
if result.is_file:
|
||
payload_size = len(result.file_data) if result.file_data else 0
|
||
payload_type = "file"
|
||
payload_desc = result.filename or "unnamed file"
|
||
if result.mime_type:
|
||
payload_desc += f" ({result.mime_type})"
|
||
else:
|
||
payload_size = len(result.message.encode('utf-8')) if result.message else 0
|
||
payload_type = "text"
|
||
payload_desc = f"{payload_size} bytes"
|
||
|
||
# Get date info
|
||
date_encoded = result.date_encoded
|
||
day_name = get_day_from_date(date_encoded) if date_encoded else None
|
||
|
||
if as_json:
|
||
import json
|
||
output = {
|
||
"valid": True,
|
||
"stego_file": stego,
|
||
"payload_type": payload_type,
|
||
"payload_size": payload_size,
|
||
"date_encoded": date_encoded,
|
||
"day_encoded": day_name,
|
||
}
|
||
if result.is_file:
|
||
output["filename"] = result.filename
|
||
output["mime_type"] = result.mime_type
|
||
click.echo(json.dumps(output, indent=2))
|
||
else:
|
||
click.secho("✓ Valid stego image", fg='green', bold=True)
|
||
click.echo(f" Payload: {payload_type} ({payload_desc})")
|
||
click.echo(f" Size: {payload_size:,} bytes")
|
||
if date_encoded:
|
||
click.echo(f" Encoded: {date_encoded} ({day_name})")
|
||
|
||
except (DecryptionError, ExtractionError) as e:
|
||
if as_json:
|
||
import json
|
||
output = {
|
||
"valid": False,
|
||
"stego_file": stego,
|
||
"error": str(e),
|
||
}
|
||
click.echo(json.dumps(output, indent=2))
|
||
sys.exit(1)
|
||
else:
|
||
click.secho("✗ Verification failed", fg='red', bold=True)
|
||
click.echo(f" Error: {e}")
|
||
sys.exit(1)
|
||
except StegasooError as e:
|
||
raise click.ClickException(str(e))
|
||
except Exception as e:
|
||
raise click.ClickException(f"Error: {e}")
|
||
|
||
|
||
# ============================================================================
|
||
# INFO COMMAND
|
||
# ============================================================================
|
||
|
||
@cli.command()
|
||
@click.argument('image', type=click.Path(exists=True))
|
||
def info(image):
|
||
"""
|
||
Show information about an image.
|
||
|
||
Displays dimensions, capacity, and attempts to detect date from filename.
|
||
"""
|
||
try:
|
||
image_data = Path(image).read_bytes()
|
||
|
||
result = validate_image(image_data, check_size=False)
|
||
if not result.is_valid:
|
||
raise click.ClickException(result.error_message)
|
||
|
||
capacity = calculate_capacity(image_data)
|
||
|
||
# Try to get date from filename
|
||
date_str = parse_date_from_filename(image)
|
||
day_name = get_day_from_date(date_str) if date_str else None
|
||
|
||
click.echo()
|
||
click.secho(f"Image: {image}", bold=True)
|
||
click.echo(f" Dimensions: {result.details['width']} × {result.details['height']}")
|
||
click.echo(f" Pixels: {result.details['pixels']:,}")
|
||
click.echo(f" Mode: {result.details['mode']}")
|
||
click.echo(f" Format: {result.details['format']}")
|
||
click.echo(f" Capacity: ~{capacity:,} bytes ({capacity // 1024} KB)")
|
||
|
||
if date_str:
|
||
click.echo(f" Embed date: {date_str} ({day_name})")
|
||
|
||
click.echo()
|
||
|
||
except Exception as e:
|
||
raise click.ClickException(str(e))
|
||
|
||
|
||
# ============================================================================
|
||
# STRIP-METADATA COMMAND
|
||
# ============================================================================
|
||
|
||
@cli.command('strip-metadata')
|
||
@click.argument('image', type=click.Path(exists=True))
|
||
@click.option('--output', '-o', type=click.Path(), help='Output file (default: overwrites input)')
|
||
@click.option('--format', '-f', 'output_format', type=click.Choice(['PNG', 'BMP']), default='PNG', help='Output format')
|
||
@click.option('--quiet', '-q', is_flag=True, help='Suppress output')
|
||
def strip_metadata_cmd(image, output, output_format, quiet):
|
||
"""
|
||
Remove all metadata (EXIF, GPS, etc.) from an image.
|
||
|
||
Creates a clean image with only pixel data - no camera info,
|
||
location data, timestamps, or other potentially sensitive metadata.
|
||
|
||
\b
|
||
Examples:
|
||
stegasoo strip-metadata photo.jpg -o clean.png
|
||
stegasoo strip-metadata photo.jpg # Overwrites as PNG
|
||
"""
|
||
try:
|
||
image_data = Path(image).read_bytes()
|
||
original_size = len(image_data)
|
||
|
||
clean_data = strip_image_metadata(image_data, output_format)
|
||
|
||
if output:
|
||
out_path = Path(output)
|
||
else:
|
||
# Replace extension with output format
|
||
out_path = Path(image).with_suffix(f'.{output_format.lower()}')
|
||
|
||
out_path.write_bytes(clean_data)
|
||
|
||
if not quiet:
|
||
click.secho("✓ Metadata stripped", fg='green')
|
||
click.echo(f" Input: {image} ({original_size:,} bytes)")
|
||
click.echo(f" Output: {out_path} ({len(clean_data):,} bytes)")
|
||
|
||
except Exception as e:
|
||
raise click.ClickException(str(e))
|
||
|
||
|
||
# ============================================================================
|
||
# MAIN
|
||
# ============================================================================
|
||
|
||
def main():
|
||
"""Entry point."""
|
||
cli()
|
||
|
||
|
||
if __name__ == '__main__':
|
||
main()
|