Files
WhatsApp-Chat-Exporter/extract_iphone_media.py
2021-05-10 13:33:13 +08:00

123 lines
4.5 KiB
Python

#!/usr/bin/python3
import shutil
import sqlite3
import os
import getpass
try:
from iphone_backup_decrypt import EncryptedBackup, RelativePath
except:
support_encrypted = False
else:
support_encrypted = True
def extract_encrypted(base_dir, password):
backup = EncryptedBackup(backup_directory=base_dir, passphrase=password)
print("Decrypting WhatsApp database...")
backup.extract_file(relative_path=RelativePath.WHATSAPP_MESSAGES, output_filename="7c7fba66680ef796b916b067077cc246adacf01d")
backup.extract_file(relative_path=RelativePath.WHATSAPP_CONTACTS, output_filename="ContactsV2.sqlite")
data = backup.execute_sql("""SELECT count()
FROM Files
WHERE relativePath
LIKE 'Message/Media/%'"""
)
total_row_number = data[0][0]
print(f"Gathering media...(0/{total_row_number})", end="\r")
data = backup.execute_sql("""SELECT fileID,
relativePath,
flags,
file
FROM Files
WHERE relativePath
LIKE 'Message/Media/%'"""
)
if not os.path.isdir("Message"):
os.mkdir("Message")
if not os.path.isdir("Message/Media"):
os.mkdir("Message/Media")
i = 0
for row in data:
destination = row[1]
hashes = row[0]
folder = hashes[:2]
flags = row[2]
file = row[3]
if flags == 2:
try:
os.mkdir(destination)
except FileExistsError:
pass
elif flags == 1:
decrypted = backup.decrypt_inner_file(file_id=hashes, file_bplist=file)
with open(destination, "wb") as f:
f.write(decrypted)
i += 1
if i % 100 == 0:
print(f"Gathering media...({i}/{total_row_number})", end="\r")
print(f"Gathering media...({total_row_number}/{total_row_number})", end="\r")
def is_encrypted(base_dir):
with sqlite3.connect(f"{base_dir}/Manifest.db") as f:
c = f.cursor()
try:
c.execute("""SELECT count()
FROM Files
""")
except sqlite3.DatabaseError:
return True
else:
return False
def extract_media(base_dir):
if is_encrypted(base_dir):
if not support_encrypted:
print("You don't have the dependencies to handle encrypted backup.")
print("Read more about how to deal with encrypted backup:")
print("https://github.com/KnugiHK/Whatsapp-Chat-Exporter/blob/main/README.md#encrypted-iphone-backup")
return False
password = getpass.getpass("Enter the password:")
extract_encrypted(base_dir, password)
else:
with sqlite3.connect(f"{base_dir}/Manifest.db") as manifest:
c = manifest.cursor()
c.execute("""SELECT count()
FROM Files
WHERE relativePath
LIKE 'Message/Media/%'""")
total_row_number = c.fetchone()[0]
print(f"Gathering media...(0/{total_row_number})", end="\r")
c.execute("""SELECT fileID,
relativePath,
flags
FROM Files
WHERE relativePath
LIKE 'Message/Media/%'""")
row = c.fetchone()
if not os.path.isdir("Message"):
os.mkdir("Message")
if not os.path.isdir("Message/Media"):
os.mkdir("Message/Media")
i = 0
while row is not None:
destination = row[1]
hashes = row[0]
folder = hashes[:2]
flags = row[2]
if flags == 2:
os.mkdir(destination)
elif flags == 1:
shutil.copyfile(f"{base_dir}/{folder}/{hashes}", destination)
i += 1
if i % 100 == 0:
print(f"Gathering media...({i}/{total_row_number})", end="\r")
row = c.fetchone()
print(f"Gathering media...({total_row_number}/{total_row_number})", end="\r")
if __name__ == "__main__":
from optparse import OptionParser
parser = OptionParser()
(_, args) = parser.parse_args()
base_dir = args[0]
extract_media(base_dir)