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gdrivedl.py
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gdrivedl.py
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#!/usr/bin/env python
# Script obtained from https://github.com/matthuisman/gdrivedl/
import json
import os
import re
import sys
try:
# Python3
from urllib.request import Request, urlopen
except ImportError:
# Python2
from urllib2 import Request, urlopen
ITEM_URL = "https://drive.google.com/open?id={id}"
FILE_URL = (
"https://docs.google.com/uc?export=download&id={id}&confirm={confirm}"
)
FOLDER_URL = "https://drive.google.com/drive/folders/{id}"
ID_PATTERNS = [
re.compile("/file/d/([0-9A-Za-z_-]{10,})(?:/|$)", re.IGNORECASE),
re.compile("id=([0-9A-Za-z_-]{10,})(?:&|$)", re.IGNORECASE),
re.compile("([0-9A-Za-z_-]{10,})", re.IGNORECASE),
]
FILE_PATTERN = re.compile(
"itemJson: (\[.*?);</script>", re.DOTALL | re.IGNORECASE
)
FOLDER_PATTERN = re.compile(
"window\['_DRIVE_ivd'\] = '(.*?)';", re.DOTALL | re.IGNORECASE
)
CONFIRM_PATTERN = re.compile(
"download_warning[0-9A-Za-z_-]+=([0-9A-Za-z_-]+);", re.IGNORECASE
)
FOLDER_TYPE = "application/vnd.google-apps.folder"
def safe_filename(filename):
return re.sub(r"[^.=_ \w\d-]", "_", filename)
def process_item(id, directory):
url = ITEM_URL.format(id=id)
resp = urlopen(url)
url = resp.geturl()
html = resp.read().decode("utf-8")
if "/file/" in url:
match = FILE_PATTERN.search(html)
data = match.group(1).replace("\/", "/").rstrip("}").strip()
data = data.encode().decode("unicode_escape")
data = json.loads(data)
file_name = safe_filename(data[1])
file_size = int(data[25][2])
file_path = os.path.join(directory, file_name)
process_file(id, file_path, file_size)
elif "/folders/" in url:
process_folder(id, directory, html=html)
elif "ServiceLogin" in url:
sys.stderr.write("Id {} does not have link sharing enabled".format(id))
sys.exit(1)
else:
sys.stderr.write("That id {} returned an unknown url".format(id))
sys.exit(1)
def process_folder(id, directory, html=None):
if not html:
url = FOLDER_URL.format(id=id)
html = urlopen(url).read().decode("utf-8")
match = FOLDER_PATTERN.search(html)
data = match.group(1).replace("\/", "/")
data = data.encode().decode("unicode_escape")
data = json.loads(data)
if not os.path.exists(directory):
os.mkdir(directory)
sys.stdout.write(
"Directory: {directory} [Created]\n".format(directory=directory)
)
else:
sys.stdout.write(
"Directory: {directory} [Exists]\n".format(directory=directory)
)
if not data[0]:
return
for item in sorted(data[0], key=lambda i: i[3] == FOLDER_TYPE):
item_id = item[0]
item_name = safe_filename(item[2])
item_type = item[3]
item_size = item[13]
item_path = os.path.join(directory, item_name)
if item_type == FOLDER_TYPE:
process_folder(item_id, item_path)
else:
process_file(item_id, item_path, int(item_size))
sys.stdout.write("\n")
def process_file(id, file_path, file_size, confirm="", cookies=""):
if os.path.exists(file_path):
sys.stdout.write("{file_path} [Exists]\n".format(file_path=file_path))
return
url = FILE_URL.format(id=id, confirm=confirm)
req = Request(url, headers={"Cookie": cookies, "User-Agent": "Mozilla/5.0"})
resp = urlopen(req)
cookies = resp.headers.get("Set-Cookie") or ""
if not confirm and "download_warning" in cookies:
confirm = CONFIRM_PATTERN.search(cookies)
return process_file(id, file_path, file_size, confirm.group(1), cookies)
sys.stdout.write(file_path + "\n")
try:
with open(file_path, "wb") as f:
dl = 0
for chunk in iter(lambda: resp.read(4096), ""):
if not chunk:
break
if (
b"Too many users have viewed or downloaded this file recently"
in chunk
):
raise Exception("Quota exceeded for this file")
dl += len(chunk)
f.write(chunk)
done = int(50 * dl / file_size)
sys.stdout.write(
"\r[{}{}] {:.2f}MB/{:.2f}MB".format(
"=" * done,
" " * (50 - done),
dl / 1024 / 1024,
file_size / 1024 / 1024,
)
)
sys.stdout.flush()
except:
if os.path.exists(file_path):
os.remove(file_path)
raise
def get_arg(pos, default=None):
try:
return sys.argv[pos]
except IndexError:
return default
if __name__ == "__main__":
url = get_arg(1, "").strip()
directory = get_arg(2, "./").strip()
id = ""
if not url:
sys.stderr.write("A Google Drive URL is required")
sys.exit(1)
for pattern in ID_PATTERNS:
match = pattern.search(url)
if match:
id = match.group(1)
break
if not id:
sys.stderr.write("Unable to get ID from {}".format(url))
sys.exit(1)
process_item(id, directory)