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https://github.com/pgadmin-org/pgadmin4.git
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Allow pgAdmin to retrieve master password from external script/program. #4769
This commit is contained in:
Yogesh Mahajan
GitHub
parent
cba3dc9457
commit
702bc8c8ce
@ -21,6 +21,7 @@ New features
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************
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| `Issue #3831 <https://github.com/pgadmin-org/pgadmin4/issues/3831>`_ - Add Option to only show active connections on Dashboard.
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| `Issue #4769 <https://github.com/pgadmin-org/pgadmin4/issues/4769>`_ - Allow pgAdmin to retrive master password from external script/program.
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| `Issue #5048 <https://github.com/pgadmin-org/pgadmin4/issues/5048>`_ - Add an option to hide/show empty object collection nodes.
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| `Issue #5123 <https://github.com/pgadmin-org/pgadmin4/issues/5123>`_ - Added support to use standard OS secret store to save server/ssh tunnel passwords instead of master password in pgAdmin desktop mode.
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@ -50,4 +51,3 @@ Bug fixes
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| `Issue #6279 <https://github.com/pgadmin-org/pgadmin4/issues/6279>`_ - Fix incorrect number of foreign tables displayed. Show column comments in RE-SQL.
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| `Issue #6280 <https://github.com/pgadmin-org/pgadmin4/issues/6280>`_ - View SQL tab not quoting column comments.
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| `Issue #6281 <https://github.com/pgadmin-org/pgadmin4/issues/6281>`_ - VarChar Field Sizes are missing from Query's Grid header.
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| `Issue #6325 <https://github.com/pgadmin-org/pgadmin4/issues/6325>`_ - Fixed an issue where Operators collection node throwing an error.
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@ -577,6 +577,24 @@ ALLOW_SAVE_TUNNEL_PASSWORD = False
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MASTER_PASSWORD_REQUIRED = True
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##########################################################################
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# pgAdmin encrypts the database connection and ssh tunnel password using a
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# master password or pgAdmin login password (for other authentication sources)
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# before storing it in the pgAdmin configuration database.
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#
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# Below setting is used to allow the user to specify the path to a script
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# or program that will return an encryption key which will be used to
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# encrypt the passwords. This setting is used only in server mode when
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# auth sources are oauth, Kerberos, and webserver.
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#
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# You can pass the current username as an argument to the external script
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# by specifying %u in config value.
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# E.g. - MASTER_PASSWORD_HOOK = '<PATH>/passwdgen_script.sh %u'
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##########################################################################
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MASTER_PASSWORD_HOOK = None
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##########################################################################
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# Allows pgAdmin4 to create session cookies based on IP address, so even
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# if a cookie is stolen, the attacker will not be able to connect to the
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# server using that stolen cookie.
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@ -11,7 +11,7 @@ import json
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import logging
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import os
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import sys
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from abc import ABCMeta, abstractmethod, abstractproperty
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from abc import ABCMeta, abstractmethod
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from smtplib import SMTPConnectError, SMTPResponseException, \
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SMTPServerDisconnected, SMTPDataError, SMTPHeloError, SMTPException, \
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SMTPAuthenticationError, SMTPSenderRefused, SMTPRecipientsRefused
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@ -35,7 +35,7 @@ from flask_security.recoverable import reset_password_token_status, \
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generate_reset_password_token, update_password
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from flask_security.signals import reset_password_instructions_sent
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from flask_security.utils import config_value, do_flash, get_url, \
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get_message, slash_url_suffix, login_user, send_mail, logout_user, \
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get_message, slash_url_suffix, login_user, send_mail, \
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get_post_logout_redirect
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from flask_security.views import _security, view_commit, _ctx
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from werkzeug.datastructures import MultiDict
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@ -793,7 +793,12 @@ def reset_master_password():
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KEY_RING_DESKTOP_USER.format(
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current_user.username), 'test')
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cleanup_master_password()
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return make_json_response(data=get_crypt_key()[0])
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status, crypt_key = get_crypt_key()
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# Set masterpass_check if MASTER_PASSWORD_HOOK is set which provides
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# encryption key
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if config.MASTER_PASSWORD_REQUIRED and config.MASTER_PASSWORD_HOOK:
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set_masterpass_check_text(crypt_key)
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return make_json_response(data=status)
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@blueprint.route("/master_password", endpoint="set_master_password",
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@ -872,9 +877,28 @@ def set_master_password():
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)
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config.DISABLED_LOCAL_PASSWORD_STORAGE = True
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# Master password is not applicable for server mode
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# Enable master password if oauth is used
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if not config.SERVER_MODE or OAUTH2 in config.AUTHENTICATION_SOURCES \
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# If the master password is required and the master password hook
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# is specified then try to retrieve the encryption key and update data.
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# If there is an error while retrieving it, return an error message.
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if config.SERVER_MODE and config.MASTER_PASSWORD_REQUIRED and \
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config.MASTER_PASSWORD_HOOK:
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status, enc_key = get_crypt_key()
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if status:
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data = {'password': enc_key, 'submit_password': True}
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else:
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error = gettext('The master password could not be retrieved from '
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'the MASTER_PASSWORD_HOOK utility specified {0}.'
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'Please check that the hook utility is configured'
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' correctly.'.format(config.MASTER_PASSWORD_HOOK))
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return form_master_password_response(
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existing=False,
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present=False,
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errmsg=error
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)
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# Master password is applicable for Desktop mode and in server mode
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# only when auth sources are oauth, kerberos, webserver.
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if (not config.SERVER_MODE) or OAUTH2 in config.AUTHENTICATION_SOURCES \
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or KERBEROS in config.AUTHENTICATION_SOURCES \
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or WEBSERVER in config.AUTHENTICATION_SOURCES \
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and config.MASTER_PASSWORD_REQUIRED:
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@ -882,12 +906,16 @@ def set_master_password():
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if current_user.masterpass_check is not None and \
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data.get('submit_password', False) and \
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not validate_master_password(data.get('password')):
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errmsg = gettext("Password mismatch error") if \
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config.MASTER_PASSWORD_HOOK else \
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gettext("Incorrect master password")
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return form_master_password_response(
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existing=True,
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present=False,
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errmsg=gettext("Incorrect master password")
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errmsg=errmsg
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)
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# if master password received in request
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if data != '' and data.get('password', '') != '':
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# store the master pass in the memory
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@ -908,16 +936,23 @@ def set_master_password():
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# master pass
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set_masterpass_check_text(data.get('password'))
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# If password in request is empty then try to get it with
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# get_crypt_key method. If get_crypt_key() returns false status and
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# masterpass_check is already set, provide a pop to enter
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# master password(present) without the reset option.(existing).
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elif not get_crypt_key()[0] and \
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current_user.masterpass_check is not None:
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return form_master_password_response(
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existing=True,
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present=False,
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)
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# If get_crypt_key return True,but crypt_key is none and
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# user entered blank password, return error message.
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elif not get_crypt_key()[1]:
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error_message = None
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# If user attempted to enter a blank password, then throw error
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if data.get('submit_password') and data.get('password') == '':
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# If user attempted to enter a blank password, then throw error
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error_message = gettext("Master password cannot be empty")
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return form_master_password_response(
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existing=False,
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@ -158,7 +158,33 @@ export function checkMasterPassword(data, masterpass_callback_queue, cancel_call
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api.post(url_for('browser.set_master_password'), data).then((res)=> {
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let isKeyring = res.data.data.keyring_name.length > 0;
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if(!res.data.data.present) {
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showMasterPassword(res.data.data.reset, res.data.data.errmsg, masterpass_callback_queue, cancel_callback, res.data.data.keyring_name);
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if(res.data.data.is_error){
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//show notifier with error
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if(!res.data.data.reset){
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Notify.error(res.data.data.errmsg);
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}else if(res.data.data.errmsg == 'Password mismatch error'){
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Notify.confirm(gettext('Reset Master Password'),
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gettext('The master password retrieved from the master password hook utility is different from what was previously retrieved.') + '<br>'
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+ gettext('Do you want to reset your master password to match?') + '<br><br>'
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+ gettext('Note that this will close all open database connections and remove all saved passwords.'),
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function() {
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let _url = url_for('browser.reset_master_password');
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api.delete(_url)
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.then(() => {
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Notify.info('The master password has been reset.');
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})
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.catch((err) => {
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Notify.error(err.message);
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});
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return true;
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},
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function() {/* If user clicks No */ return true;}
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);
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}
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}
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else{
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showMasterPassword(res.data.data.reset, res.data.data.errmsg, masterpass_callback_queue, cancel_callback, res.data.data.keyring_name);
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}
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} else {
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masterPassCallbacks(masterpass_callback_queue);
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@ -223,6 +249,7 @@ export function showMasterPassword(isPWDPresent, errmsg, masterpass_callback_que
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});
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}
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export function showChangeServerPassword() {
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let title = arguments[0],
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nodeData = arguments[1],
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@ -1,9 +1,8 @@
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import config
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from flask import current_app, session
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from flask import current_app, session, current_app
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from flask_login import current_user
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from pgadmin.model import db, User, Server
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from pgadmin.utils.crypto import encrypt, decrypt
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from pgadmin.utils.constants import KERBEROS
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MASTERPASS_CHECK_TEXT = 'ideas are bulletproof'
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@ -30,12 +29,19 @@ def get_crypt_key():
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and not config.SERVER_MODE:
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return True, current_user.password
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# if desktop mode and master pass enabled
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elif config.MASTER_PASSWORD_REQUIRED \
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elif config.MASTER_PASSWORD_REQUIRED and \
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config.MASTER_PASSWORD_HOOK is None\
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and enc_key is None:
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return False, None
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elif not config.MASTER_PASSWORD_REQUIRED and config.SERVER_MODE and \
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'pass_enc_key' in session:
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return True, session['pass_enc_key']
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elif config.MASTER_PASSWORD_REQUIRED and config.SERVER_MODE and \
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config.MASTER_PASSWORD_HOOK and current_user.password is None:
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cmd = config.MASTER_PASSWORD_HOOK
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command = cmd.replace('%u', current_user.username) \
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if '%u' in cmd else cmd
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return get_master_password_from_master_hook(command)
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else:
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return True, enc_key
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@ -121,3 +127,30 @@ def process_masterpass_disabled():
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return True
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return False
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def get_master_password_from_master_hook(command):
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"""
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This method executes specified command & returns output.
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:param command: Shell command with absolute path
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:return: Output of command.
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"""
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import subprocess
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try:
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p = subprocess.Popen(command, stdout=subprocess.PIPE, shell=True)
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out, err = p.communicate()
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if p.returncode == 0:
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output = out.decode() if hasattr(out, 'decode') else out
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output = output.strip()
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return True, output
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else:
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error = "Command '{0}' failed, exit-code={1} error = {2}".format(
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command, p.returncode, str(err))
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current_app.logger.error(error)
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return False, None
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except Exception as e:
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current_app.logger.exception(
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'Failed to retrieve master password from the master password hook'
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' utility.Error: {0}'.format(e)
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)
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return False, None
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