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@parente @mnagaku @jharris1679
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# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.
from jupyter_core.paths import jupyter_data_dir
import subprocess
import os
import errno
import stat
c = get_config()
c.NotebookApp.ip = ''
c.NotebookApp.port = 8888
c.NotebookApp.open_browser = False
c.FileContentsManager.delete_to_trash = False
# Generate a self-signed certificate
if 'GEN_CERT' in os.environ:
dir_name = jupyter_data_dir()
pem_file = os.path.join(dir_name, 'notebook.pem')
except OSError as exc: # Python >2.5
if exc.errno == errno.EEXIST and os.path.isdir(dir_name):
# Generate an openssl.cnf file to set the distinguished name
cnf_file = os.path.join(os.getenv('CONDA_DIR', '/usr/lib'), 'ssl', 'openssl.cnf')
if not os.path.isfile(cnf_file):
with open(cnf_file, 'w') as fh:
distinguished_name = req_distinguished_name
# Generate a certificate if one doesn't exist on disk
subprocess.check_call(['openssl', 'req', '-new',
'-newkey', 'rsa:2048',
'-days', '365',
'-nodes', '-x509',
'-subj', '/C=XX/ST=XX/L=XX/O=generated/CN=generated',
'-keyout', pem_file,
'-out', pem_file])
# Restrict access to the file
os.chmod(pem_file, stat.S_IRUSR | stat.S_IWUSR)
c.NotebookApp.certfile = pem_file
# Change default umask for all subprocesses of the notebook server if set in
# the environment
if 'NB_UMASK' in os.environ:
os.umask(int(os.environ['NB_UMASK'], 8))
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