365 lines
No EOL
10 KiB
Python
365 lines
No EOL
10 KiB
Python
""" Superuser Config API. """
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import logging
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import os
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import json
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import signal
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from flask import abort, Response
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from endpoints.api import (ApiResource, nickname, resource, internal_only, show_if,
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require_fresh_login, request, validate_json_request, verify_not_prod)
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from endpoints.common import common_login
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from app import app, CONFIG_PROVIDER, superusers
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from data import model
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from data.database import configure
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from auth.permissions import SuperUserPermission
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from auth.auth_context import get_authenticated_user
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from data.database import User
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from util.config.configutil import add_enterprise_config_defaults
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from util.config.provider import CannotWriteConfigException
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from util.config.validator import validate_service_for_config, SSL_FILENAMES
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from data.runmigration import run_alembic_migration
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import features
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logger = logging.getLogger(__name__)
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def database_is_valid():
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""" Returns whether the database, as configured, is valid. """
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if app.config['TESTING']:
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return False
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try:
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list(User.select().limit(1))
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return True
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except:
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return False
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def database_has_users():
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""" Returns whether the database has any users defined. """
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return bool(list(User.select().limit(1)))
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@resource('/v1/superuser/registrystatus')
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@internal_only
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@show_if(features.SUPER_USERS)
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class SuperUserRegistryStatus(ApiResource):
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""" Resource for determining the status of the registry, such as if config exists,
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if a database is configured, and if it has any defined users.
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"""
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@nickname('scRegistryStatus')
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@verify_not_prod
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def get(self):
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""" Returns the status of the registry. """
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# If there is no conf/stack volume, then report that status.
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if not CONFIG_PROVIDER.volume_exists():
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return {
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'status': 'missing-config-dir'
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}
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# If there is no config file, we need to setup the database.
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if not CONFIG_PROVIDER.yaml_exists():
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return {
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'status': 'config-db'
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}
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# If the database isn't yet valid, then we need to set it up.
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if not database_is_valid():
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return {
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'status': 'setup-db'
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}
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# If we have SETUP_COMPLETE, then we're ready to go!
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if app.config.get('SETUP_COMPLETE', False):
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return {
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'requires_restart': CONFIG_PROVIDER.requires_restart(app.config),
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'status': 'ready'
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}
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return {
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'status': 'create-superuser' if not database_has_users() else 'config'
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}
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class _AlembicLogHandler(logging.Handler):
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def __init__(self):
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super(_AlembicLogHandler, self).__init__()
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self.records = []
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def emit(self, record):
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self.records.append({
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'level': record.levelname,
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'message': record.getMessage()
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})
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@resource('/v1/superuser/setupdb')
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@internal_only
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@show_if(features.SUPER_USERS)
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class SuperUserSetupDatabase(ApiResource):
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""" Resource for invoking alembic to setup the database. """
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@verify_not_prod
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@nickname('scSetupDatabase')
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def get(self):
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""" Invokes the alembic upgrade process. """
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# Note: This method is called after the database configured is saved, but before the
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# database has any tables. Therefore, we only allow it to be run in that unique case.
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if CONFIG_PROVIDER.yaml_exists() and not database_is_valid():
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# Note: We need to reconfigure the database here as the config has changed.
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combined = dict(**app.config)
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combined.update(CONFIG_PROVIDER.get_yaml())
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configure(combined)
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app.config['DB_URI'] = combined['DB_URI']
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log_handler = _AlembicLogHandler()
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try:
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run_alembic_migration(log_handler)
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except Exception as ex:
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return {
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'error': str(ex)
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}
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return {
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'logs': log_handler.records
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}
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abort(403)
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@resource('/v1/superuser/shutdown')
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@internal_only
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@show_if(features.SUPER_USERS)
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class SuperUserShutdown(ApiResource):
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""" Resource for sending a shutdown signal to the container. """
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@verify_not_prod
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@nickname('scShutdownContainer')
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def post(self):
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""" Sends a signal to the phusion init system to shut down the container. """
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# Note: This method is called to set the database configuration before super users exists,
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# so we also allow it to be called if there is no valid registry configuration setup.
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if app.config['TESTING'] or not database_has_users() or SuperUserPermission().can():
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# Note: We skip if debugging locally.
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if app.config.get('DEBUGGING') == True:
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return {}
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os.kill(1, signal.SIGINT)
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return {}
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abort(403)
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@resource('/v1/superuser/config')
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@internal_only
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@show_if(features.SUPER_USERS)
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class SuperUserConfig(ApiResource):
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""" Resource for fetching and updating the current configuration, if any. """
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schemas = {
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'UpdateConfig': {
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'id': 'UpdateConfig',
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'type': 'object',
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'description': 'Updates the YAML config file',
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'required': [
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'config',
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'hostname'
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],
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'properties': {
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'config': {
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'type': 'object'
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},
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'hostname': {
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'type': 'string'
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}
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},
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},
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}
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@require_fresh_login
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@verify_not_prod
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@nickname('scGetConfig')
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def get(self):
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""" Returns the currently defined configuration, if any. """
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if SuperUserPermission().can():
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config_object = CONFIG_PROVIDER.get_yaml()
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return {
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'config': config_object
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}
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abort(403)
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@nickname('scUpdateConfig')
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@verify_not_prod
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@validate_json_request('UpdateConfig')
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def put(self):
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""" Updates the config.yaml file. """
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# Note: This method is called to set the database configuration before super users exists,
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# so we also allow it to be called if there is no valid registry configuration setup.
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if not CONFIG_PROVIDER.yaml_exists() or SuperUserPermission().can():
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config_object = request.get_json()['config']
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hostname = request.get_json()['hostname']
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# Add any enterprise defaults missing from the config.
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add_enterprise_config_defaults(config_object, app.config['SECRET_KEY'], hostname)
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# Write the configuration changes to the YAML file.
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CONFIG_PROVIDER.save_yaml(config_object)
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return {
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'exists': True,
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'config': config_object
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}
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abort(403)
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@resource('/v1/superuser/config/file/<filename>')
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@internal_only
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@show_if(features.SUPER_USERS)
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class SuperUserConfigFile(ApiResource):
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""" Resource for fetching the status of config files and overriding them. """
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@nickname('scConfigFileExists')
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@verify_not_prod
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def get(self, filename):
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""" Returns whether the configuration file with the given name exists. """
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if not filename in SSL_FILENAMES:
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abort(404)
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if SuperUserPermission().can():
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return {
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'exists': CONFIG_PROVIDER.volume_file_exists(filename)
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}
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abort(403)
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@nickname('scUpdateConfigFile')
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@verify_not_prod
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def post(self, filename):
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""" Updates the configuration file with the given name. """
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if not filename in SSL_FILENAMES:
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abort(404)
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if SuperUserPermission().can():
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uploaded_file = request.files['file']
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if not uploaded_file:
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abort(400)
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CONFIG_PROVIDER.save_volume_file(filename, uploaded_file)
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return {
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'status': True
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}
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abort(403)
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@resource('/v1/superuser/config/createsuperuser')
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@internal_only
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@show_if(features.SUPER_USERS)
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class SuperUserCreateInitialSuperUser(ApiResource):
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""" Resource for creating the initial super user. """
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schemas = {
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'CreateSuperUser': {
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'id': 'CreateSuperUser',
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'type': 'object',
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'description': 'Information for creating the initial super user',
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'required': [
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'username',
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'password',
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'email'
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],
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'properties': {
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'username': {
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'type': 'string',
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'description': 'The username for the superuser'
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},
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'password': {
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'type': 'string',
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'description': 'The password for the superuser'
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},
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'email': {
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'type': 'string',
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'description': 'The e-mail address for the superuser'
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},
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},
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},
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}
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@nickname('scCreateInitialSuperuser')
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@verify_not_prod
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@validate_json_request('CreateSuperUser')
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def post(self):
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""" Creates the initial super user, updates the underlying configuration and
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sets the current session to have that super user. """
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# Special security check: This method is only accessible when:
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# - There is a valid config YAML file.
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# - There are currently no users in the database (clean install)
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#
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# We do this special security check because at the point this method is called, the database
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# is clean but does not (yet) have any super users for our permissions code to check against.
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if CONFIG_PROVIDER.yaml_exists() and not database_has_users():
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data = request.get_json()
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username = data['username']
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password = data['password']
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email = data['email']
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# Create the user in the database.
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superuser = model.create_user(username, password, email, auto_verify=True)
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# Add the user to the config.
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config_object = CONFIG_PROVIDER.get_yaml()
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config_object['SUPER_USERS'] = [username]
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CONFIG_PROVIDER.save_yaml(config_object)
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# Update the in-memory config for the new superuser.
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superusers.register_superuser(username)
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# Conduct login with that user.
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common_login(superuser)
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return {
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'status': True
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}
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abort(403)
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@resource('/v1/superuser/config/validate/<service>')
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@internal_only
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@show_if(features.SUPER_USERS)
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class SuperUserConfigValidate(ApiResource):
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""" Resource for validating a block of configuration against an external service. """
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schemas = {
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'ValidateConfig': {
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'id': 'ValidateConfig',
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'type': 'object',
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'description': 'Validates configuration',
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'required': [
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'config'
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],
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'properties': {
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'config': {
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'type': 'object'
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}
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},
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},
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}
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@nickname('scValidateConfig')
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@verify_not_prod
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@validate_json_request('ValidateConfig')
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def post(self, service):
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""" Validates the given config for the given service. """
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# Note: This method is called to validate the database configuration before super users exists,
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# so we also allow it to be called if there is no valid registry configuration setup. Note that
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# this is also safe since this method does not access any information not given in the request.
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if not CONFIG_PROVIDER.yaml_exists() or SuperUserPermission().can():
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config = request.get_json()['config']
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return validate_service_for_config(service, config)
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abort(403) |