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pgadmin4/web/pgadmin/browser/__init__.py
Akshay Joshi 740ce15bd7 Update copyright notices for 2024
2024-01-01 14:13:48 +05:30

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##########################################################################
#
# pgAdmin 4 - PostgreSQL Tools
#
# Copyright (C) 2013 - 2024, The pgAdmin Development Team
# This software is released under the PostgreSQL Licence
#
##########################################################################
import json
import logging
import os
import sys
from abc import ABCMeta, abstractmethod
from smtplib import SMTPConnectError, SMTPResponseException, \
SMTPServerDisconnected, SMTPDataError, SMTPHeloError, SMTPException, \
SMTPAuthenticationError, SMTPSenderRefused, SMTPRecipientsRefused
from socket import error as SOCKETErrorException
from urllib.request import urlopen
from pgadmin.utils.constants import KEY_RING_SERVICE_NAME, \
KEY_RING_USERNAME_FORMAT, KEY_RING_DESKTOP_USER, KEY_RING_TUNNEL_FORMAT, \
MessageType
import time
import keyring
from flask import current_app, render_template, url_for, make_response, \
flash, Response, request, after_this_request, redirect, session
from flask_babel import gettext
from flask_gravatar import Gravatar
from flask_login import current_user, login_required
from flask_login.utils import login_url
from flask_security.changeable import send_password_changed_notice
from flask_security.decorators import anonymous_user_required
from flask_security.recoverable import reset_password_token_status, \
generate_reset_password_token, update_password
from flask_security.signals import reset_password_instructions_sent
from flask_security.utils import config_value, do_flash, get_url, \
get_message, slash_url_suffix, login_user, send_mail, hash_password, \
get_post_logout_redirect
from flask_security.views import _security, view_commit, _ctx
from werkzeug.datastructures import MultiDict
import config
from pgadmin import current_blueprint
from pgadmin.authenticate import get_logout_url
from pgadmin.authenticate.mfa.utils import mfa_required, is_mfa_enabled
from pgadmin.settings import get_setting, store_setting
from pgadmin.utils import PgAdminModule
from pgadmin.utils.ajax import make_json_response, internal_server_error, \
bad_request
from pgadmin.utils.csrf import pgCSRFProtect
from pgadmin.utils.preferences import Preferences
from pgadmin.utils.menu import MenuItem
from pgadmin.browser.register_browser_preferences import \
register_browser_preferences
from pgadmin.utils.master_password import validate_master_password, \
set_masterpass_check_text, cleanup_master_password, get_crypt_key, \
set_crypt_key, process_masterpass_disabled
from pgadmin.model import User, db
from pgadmin.utils.constants import MIMETYPE_APP_JS, PGADMIN_NODE,\
INTERNAL, KERBEROS, LDAP, QT_DEFAULT_PLACEHOLDER, OAUTH2, WEBSERVER,\
VW_EDT_DEFAULT_PLACEHOLDER
from pgadmin.authenticate import AuthSourceManager
from pgadmin.utils.exception import CryptKeyMissing
try:
from flask_security.views import default_render_json
except ImportError as e:
# Support Flask-Security-Too == 3.2
if sys.version_info < (3, 8):
from flask_security.views import _render_json as default_render_json
MODULE_NAME = 'browser'
BROWSER_STATIC = 'browser.static'
BROWSER_INDEX = 'browser.index'
PGADMIN_BROWSER = 'pgAdmin.Browser'
PASS_ERROR_MSG = gettext('Your password has not been changed.')
SMTP_SOCKET_ERROR = gettext(
'SMTP Socket error: {error}\n {pass_error}').format(
error={}, pass_error=PASS_ERROR_MSG)
SMTP_ERROR = gettext('SMTP error: {error}\n {pass_error}').format(
error={}, pass_error=PASS_ERROR_MSG)
PASS_ERROR = gettext('Error: {error}\n {pass_error}').format(
error={}, pass_error=PASS_ERROR_MSG)
class BrowserModule(PgAdminModule):
LABEL = gettext('Browser')
def register_preferences(self):
register_browser_preferences(self)
def get_exposed_url_endpoints(self):
"""
Returns:
list: a list of url endpoints exposed to the client.
"""
return [BROWSER_INDEX, 'browser.nodes',
'browser.check_corrupted_db_file',
'browser.check_master_password',
'browser.set_master_password',
'browser.reset_master_password',
]
def register(self, app, options):
"""
Override the default register function to automagically register
sub-modules at once.
"""
from .server_groups import blueprint as module
self.submodules.append(module)
super().register(app, options)
blueprint = BrowserModule(MODULE_NAME, __name__)
class BrowserPluginModule(PgAdminModule, metaclass=ABCMeta):
"""
Abstract base class for browser submodules.
It helps to define the node for each and every node comes under the browser
tree. It makes sure every module comes under browser will have prefix
'/browser', and sets the 'url_prefix', 'static_url_path', etc.
Also, creates some of the preferences to be used by the node.
"""
browser_url_prefix = blueprint.url_prefix + '/'
SHOW_ON_BROWSER = True
def __init__(self, import_name, **kwargs):
"""
Construct a new 'BrowserPluginModule' object.
:param import_name: Name of the module
:param **kwargs: Extra parameters passed to the base class
pgAdminModule.
:return: returns nothing
It sets the url_prefix to based on the 'node_path'. And,
static_url_path to relative path to '/static'.
Every module extended from this will be identified as 'NODE-<type>'.
Also, create a preference 'show_node_<type>' to fetch whether it
can be shown in the browser or not. Also, refer to the
browser-preference.
"""
kwargs.setdefault("url_prefix", self.node_path)
kwargs.setdefault("static_url_path", '/static')
self.browser_preference = None
self.pref_show_system_objects = None
self.pref_show_node = None
super().__init__(
"NODE-%s" % self.node_type,
import_name,
**kwargs
)
@property
def jssnippets(self):
"""
Returns a snippet of javascript to include in the page
"""
return []
@property
def module_use_template_javascript(self):
"""
Returns whether Jinja2 template is used for generating the javascript
module.
"""
return False
def generate_browser_node(
self, node_id, parent_id, label, icon, inode, node_type, **kwargs
):
"""
Helper function to create a browser node for this particular subnode.
:param node_id: Unique Id for each node
:param parent_id: Id of the parent.
:param label: Label for the node
:param icon: Icon for displaying along with this node on browser
tree. Icon refers to a class name, it refers to.
:param inode: True/False.
Used by the browser tree node to check, if the
current node will have children or not.
:param node_type: String to refer to the node type.
:param **kwargs: A node can have extra information other than this
data, which can be passed as key-value pair as
argument here.
i.e. A database, server node can have extra
information like connected, or not.
Returns a dictionary object representing this node object for the
browser tree.
"""
obj = {
"id": "%s_%s" % (node_type, node_id),
"label": label,
"icon": icon,
"inode": inode,
"_type": node_type,
"_id": node_id,
"_pid": parent_id,
"module": PGADMIN_NODE % node_type
}
for key in kwargs:
obj.setdefault(key, kwargs[key])
return obj
@property
def csssnippets(self):
"""
Returns a snippet of css to include in the page
"""
snippets = [
render_template(
"browser/css/node.css",
node_type=self.node_type,
_=gettext
)]
for submodule in self.submodules:
snippets.extend(submodule.csssnippets)
return snippets
@abstractmethod
def get_nodes(self):
"""
Each browser module is responsible for fetching
its own tree subnodes.
"""
return []
@property
@abstractmethod
def node_type(self):
pass
@property
@abstractmethod
def script_load(self):
"""
This property defines, when to load this script.
In order to allow creation of an object, we need to load script for any
node at the parent level.
i.e.
- In order to allow creating a server object, it should be loaded at
server-group node.
"""
pass
@property
def node_path(self):
"""
Defines the url path prefix for this submodule.
"""
return self.browser_url_prefix + self.node_type
@property
def label(self):
"""
Module label.
"""
return self.LABEL
@property
def show_node(self):
"""
A proper to check to show node for this module on the browser tree or
not.
Relies on show_node preference object, otherwise on the SHOW_ON_BROWSER
default value.
"""
if self.pref_show_node:
return self.pref_show_node.get()
else:
return self.SHOW_ON_BROWSER
@property
def show_system_objects(self):
"""
Show/Hide the system objects in the database server.
"""
if self.pref_show_system_objects:
return self.pref_show_system_objects.get()
else:
return False
def register_preferences(self):
"""
Registers the preferences object for this module.
Sets the browser_preference, show_system_objects, show_node preference
objects for this submodule.
"""
# Add the node information for browser, not in respective node
# preferences
self.browser_preference = blueprint.preference
self.pref_show_system_objects = blueprint.preference.preference(
'display', 'show_system_objects'
)
self.pref_show_node = self.browser_preference.preference(
'node', 'show_node_' + self.node_type,
self.label, 'boolean', self.SHOW_ON_BROWSER,
category_label=gettext('Nodes')
)
def _get_logout_url():
return '{0}?next={1}'.format(
url_for(current_app.login_manager.logout_view), url_for(BROWSER_INDEX))
def _get_supported_browser():
"""
This function return supported browser.
:return: browser name, browser known, browser version
"""
browser = request.user_agent.browser
version = request.user_agent.version and int(
request.user_agent.version.split('.')[0])
browser_name = None
browser_known = True
if browser == 'chrome' and version < 72:
browser_name = 'Chrome'
elif browser == 'firefox' and version < 65:
browser_name = 'Firefox'
# comparing EdgeHTML engine version
elif browser == 'edge' and version < 18:
browser_name = 'Edge'
# browser version returned by edge browser is actual EdgeHTML
# engine version. Below code gets actual browser version using
# EdgeHTML version
engine_to_actual_browser_version = {
16: 41,
17: 42,
18: 44
}
version = engine_to_actual_browser_version.get(version, '< 44')
elif browser == 'safari' and version < 12:
browser_name = 'Safari'
elif browser == 'msie':
browser_name = 'Internet Explorer'
elif browser != 'chrome' and browser != 'firefox' and \
browser != 'edge' and browser != 'safari':
browser_name = browser
browser_known = False
return browser_name, browser_known, version
@blueprint.route("/")
@pgCSRFProtect.exempt
@login_required
@mfa_required
def index():
"""Render and process the main browser window."""
# Register Gravatar module with the app only if required
if config.SHOW_GRAVATAR_IMAGE:
Gravatar(
current_app,
size=100,
rating='g',
default='retro',
force_default=False,
use_ssl=True,
base_url=None
)
# Check the browser is a supported version
# NOTE: If the checks here are updated, make sure the supported versions
# at https://www.pgadmin.org/faq/#11 are updated to match!
if config.CHECK_SUPPORTED_BROWSER:
browser_name, browser_known, version = _get_supported_browser()
if browser_name is not None:
msg = render_template(
MODULE_NAME + "/browser.html",
version=version,
browser=browser_name,
known=browser_known
)
flash(msg, MessageType.WARNING)
session['allow_save_password'] = True
if config.SERVER_MODE and not config.MASTER_PASSWORD_REQUIRED and \
'pass_enc_key' in session:
session['allow_save_password'] = False
response = Response(render_template(
MODULE_NAME + "/index.html",
username=current_user.username,
_=gettext
))
# Set the language cookie after login, so next time the user will have that
# same option at the login time.
misc_preference = Preferences.module('misc')
user_languages = misc_preference.preference(
'user_language'
)
language = 'en'
if user_languages:
language = user_languages.get() or 'en'
domain = dict()
if config.COOKIE_DEFAULT_DOMAIN and\
config.COOKIE_DEFAULT_DOMAIN != 'localhost':
domain['domain'] = config.COOKIE_DEFAULT_DOMAIN
response.set_cookie("PGADMIN_LANGUAGE", value=language,
path=config.COOKIE_DEFAULT_PATH,
secure=config.SESSION_COOKIE_SECURE,
httponly=config.SESSION_COOKIE_HTTPONLY,
samesite=config.SESSION_COOKIE_SAMESITE,
**domain)
return response
def validate_shared_storage_config(data, shared_storage_keys):
"""
Validate the config values are correct or not
"""
if shared_storage_keys.issubset(data.keys()):
if isinstance(data['name'], str) and isinstance(
data['path'], str) and \
isinstance(data['restricted_access'], bool):
return True
return False
def get_shared_storage_list():
"""
Return the shared storage list after checking all required keys are present
or not in config. This is for server mode only.
"""
shared_storage_list = []
restricted_shared_storage_list = []
if config.SERVER_MODE:
shared_storage_keys = set(['name', 'path', 'restricted_access'])
shared_storage_config = [
sdir for sdir in config.SHARED_STORAGE if
validate_shared_storage_config(sdir, shared_storage_keys)]
config.SHARED_STORAGE = shared_storage_config
shared_storage_list = [sdir['name'] for sdir in shared_storage_config]
restricted_shared_storage_list = [sdir['name'] for sdir in
shared_storage_config if
sdir['restricted_access']]
return shared_storage_list, restricted_shared_storage_list
@blueprint.route("/js/utils.js")
@pgCSRFProtect.exempt
@login_required
def utils():
layout = get_setting('Browser/Layout', default='')
snippets = []
prefs = Preferences.module('paths')
pg_help_path_pref = prefs.preference('pg_help_path')
pg_help_path = pg_help_path_pref.get()
# Get sqleditor options
prefs = Preferences.module('sqleditor')
editor_tab_size_pref = prefs.preference('tab_size')
editor_tab_size = editor_tab_size_pref.get()
editor_use_spaces_pref = prefs.preference('use_spaces')
editor_use_spaces = editor_use_spaces_pref.get()
editor_wrap_code_pref = prefs.preference('wrap_code')
editor_wrap_code = editor_wrap_code_pref.get()
brace_matching_pref = prefs.preference('brace_matching')
brace_matching = brace_matching_pref.get()
insert_pair_brackets_perf = prefs.preference('insert_pair_brackets')
insert_pair_brackets = insert_pair_brackets_perf.get()
# This will be opposite of use_space option
editor_indent_with_tabs = False if editor_use_spaces else True
prefs = Preferences.module('browser')
# Try to fetch current libpq version from the driver
try:
from config import PG_DEFAULT_DRIVER
from pgadmin.utils.driver import get_driver
driver = get_driver(PG_DEFAULT_DRIVER)
pg_libpq_version = driver.libpq_version()
except Exception:
pg_libpq_version = 0
# Get the pgadmin server's locale
default_locale = ''
if current_app.PGADMIN_RUNTIME:
import locale
try:
locale_info = locale.getdefaultlocale()
if len(locale_info) > 0:
default_locale = locale_info[0].replace('_', '-')
except Exception:
current_app.logger.debug('Failed to get the default locale.')
for submodule in current_blueprint.submodules:
snippets.extend(submodule.jssnippets)
auth_only_internal = False
auth_source = []
if config.SERVER_MODE:
if session['auth_source_manager']['current_source'] == INTERNAL:
auth_only_internal = True
auth_source = session['auth_source_manager'][
'source_friendly_name']
shared_storage_list, \
restricted_shared_storage_list = get_shared_storage_list()
return make_response(
render_template(
'browser/js/utils.js',
layout=layout,
jssnippets=snippets,
pg_help_path=pg_help_path,
editor_tab_size=editor_tab_size,
editor_use_spaces=editor_use_spaces,
editor_wrap_code=editor_wrap_code,
editor_brace_matching=brace_matching,
editor_insert_pair_brackets=insert_pair_brackets,
editor_indent_with_tabs=editor_indent_with_tabs,
app_name=config.APP_NAME,
app_version_int=config.APP_VERSION_INT,
pg_libpq_version=pg_libpq_version,
support_ssh_tunnel=config.SUPPORT_SSH_TUNNEL,
logout_url=get_logout_url(),
platform=sys.platform,
qt_default_placeholder=QT_DEFAULT_PLACEHOLDER,
vw_edt_default_placeholder=VW_EDT_DEFAULT_PLACEHOLDER,
enable_psql=config.ENABLE_PSQL,
pgadmin_server_locale=default_locale,
_=gettext,
auth_only_internal=auth_only_internal,
mfa_enabled=is_mfa_enabled(),
is_admin=current_user.has_role("Administrator"),
login_url=login_url,
username=current_user.username.replace("'","\\'"),
auth_source=auth_source,
heartbeat_timeout=config.SERVER_HEARTBEAT_TIMEOUT,
password_length_min=config.PASSWORD_LENGTH_MIN,
shared_storage_list=shared_storage_list,
restricted_shared_storage_list=[] if current_user.has_role(
"Administrator") else restricted_shared_storage_list,
),
200, {'Content-Type': MIMETYPE_APP_JS})
@blueprint.route("/js/endpoints.js")
@pgCSRFProtect.exempt
def exposed_urls():
return make_response(
render_template('browser/js/endpoints.js'),
200, {'Content-Type': MIMETYPE_APP_JS}
)
@blueprint.route("/js/error.js")
@pgCSRFProtect.exempt
@login_required
def error_js():
return make_response(
render_template('browser/js/error.js', _=gettext),
200, {'Content-Type': MIMETYPE_APP_JS})
@blueprint.route("/js/messages.js")
@pgCSRFProtect.exempt
def messages_js():
return make_response(
render_template('browser/js/messages.js', _=gettext),
200, {'Content-Type': MIMETYPE_APP_JS})
@blueprint.route("/browser.css")
@pgCSRFProtect.exempt
@login_required
def browser_css():
"""Render and return CSS snippets from the nodes and modules."""
snippets = []
for submodule in blueprint.submodules:
snippets.extend(submodule.csssnippets)
return make_response(
render_template(
'browser/css/browser.css', snippets=snippets, _=gettext
),
200, {'Content-Type': 'text/css'})
@blueprint.route("/nodes/", endpoint="nodes")
@login_required
def get_nodes():
"""Build a list of treeview nodes from the child nodes."""
nodes = []
for submodule in current_blueprint.submodules:
nodes.extend(submodule.get_nodes())
return make_json_response(data=nodes)
def form_master_password_response(existing=True, present=False, errmsg=None,
keyring_name='',
invalid_master_password_hook=False):
return make_json_response(data={
'present': present,
'reset': existing,
'errmsg': errmsg,
'keyring_name': keyring_name,
'invalid_master_password_hook': invalid_master_password_hook,
'is_error': True if errmsg else False
})
@blueprint.route("/check_corrupted_db_file",
endpoint="check_corrupted_db_file", methods=["GET"])
def check_corrupted_db_file():
"""
Get the corrupted database file path.
"""
file_location = os.environ['CORRUPTED_DB_BACKUP_FILE'] \
if 'CORRUPTED_DB_BACKUP_FILE' in os.environ else ''
# reset the corrupted db file path in env.
os.environ['CORRUPTED_DB_BACKUP_FILE'] = ''
return make_json_response(data=file_location)
@blueprint.route("/master_password", endpoint="check_master_password",
methods=["GET"])
def check_master_password():
"""
Checks if the master password is available in the memory
This password will be used to encrypt/decrypt saved server passwords
"""
return make_json_response(data=get_crypt_key()[0])
@blueprint.route("/master_password", endpoint="reset_master_password",
methods=["DELETE"])
def reset_master_password():
"""
Removes the master password and remove all saved passwords
This password will be used to encrypt/decrypt saved server passwords
"""
if not config.DISABLED_LOCAL_PASSWORD_STORAGE:
# This is to set the Desktop user password so it will not ask for
# migrate exiting passwords as those are getting cleared
keyring.set_password(KEY_RING_SERVICE_NAME,
KEY_RING_DESKTOP_USER.format(
current_user.username), 'test')
cleanup_master_password()
status, crypt_key = get_crypt_key()
# Set masterpass_check if MASTER_PASSWORD_HOOK is set which provides
# encryption key
if config.MASTER_PASSWORD_REQUIRED and config.MASTER_PASSWORD_HOOK:
set_masterpass_check_text(crypt_key)
return make_json_response(data=status)
@blueprint.route("/master_password", endpoint="set_master_password",
methods=["POST"])
def set_master_password():
"""
Set the master password and store in the memory
This password will be used to encrypt/decrypt saved server passwords
"""
data = None
if request.form:
data = request.form
elif request.data:
data = request.data
if hasattr(request.data, 'decode'):
data = request.data.decode('utf-8')
if data != '':
data = json.loads(data)
if not config.DISABLED_LOCAL_PASSWORD_STORAGE and \
(config.ALLOW_SAVE_PASSWORD or config.ALLOW_SAVE_TUNNEL_PASSWORD):
if data.get('password') and config.MASTER_PASSWORD_REQUIRED and\
not validate_master_password(data.get('password')):
return form_master_password_response(
present=False,
keyring_name=config.KEYRING_NAME,
errmsg=gettext("Incorrect master password")
)
from pgadmin.model import Server
from pgadmin.utils.crypto import decrypt
desktop_user = current_user
enc_key = data['password']
if not config.MASTER_PASSWORD_REQUIRED:
status, enc_key = get_crypt_key()
if not status:
raise CryptKeyMissing
try:
all_server = Server.query.all()
# pgAdmin will use the OS password manager to store the server
# password, here migrating the existing saved server password to
# OS password manager
if keyring.get_password(
KEY_RING_SERVICE_NAME, KEY_RING_DESKTOP_USER.format(
desktop_user.username)) or enc_key:
is_migrated = False
for server in all_server:
if enc_key:
if server.password and config.ALLOW_SAVE_PASSWORD \
and server.save_password:
name = KEY_RING_USERNAME_FORMAT.format(server.name,
server.id)
password = decrypt(server.password,
enc_key).decode()
# Store the password using OS password manager
keyring.set_password(KEY_RING_SERVICE_NAME, name,
password)
is_migrated = True
setattr(server, 'password', None)
if server.tunnel_password and \
config.ALLOW_SAVE_TUNNEL_PASSWORD:
tname = KEY_RING_TUNNEL_FORMAT.format(server.name,
server.id)
tpassword = decrypt(server.tunnel_password,
enc_key).decode()
# Store the password using OS password manager
keyring.set_password(KEY_RING_SERVICE_NAME, tname,
tpassword)
is_migrated = True
setattr(server, 'tunnel_password', None)
db.session.commit()
# Store the password using OS password manager
keyring.set_password(KEY_RING_SERVICE_NAME,
KEY_RING_DESKTOP_USER.format(
desktop_user.username), 'test')
return form_master_password_response(
existing=True,
present=True,
keyring_name=config.KEYRING_NAME if is_migrated else ''
)
else:
if len(all_server) == 0:
# Store the password using OS password manager
keyring.set_password(KEY_RING_SERVICE_NAME,
KEY_RING_DESKTOP_USER.format(
desktop_user.username), 'test')
return form_master_password_response(
present=True,
)
else:
is_master_password_present = True
keyring_name = ''
for server in all_server:
is_password_present = \
server.save_password or server.tunnel_password
if server.password and is_password_present:
is_master_password_present = False
keyring_name = config.KEYRING_NAME
break
if is_master_password_present:
# Store the password using OS password manager
keyring.set_password(KEY_RING_SERVICE_NAME,
KEY_RING_DESKTOP_USER.format(
desktop_user.username),
'test')
return form_master_password_response(
present=is_master_password_present,
keyring_name=keyring_name
)
except Exception as e:
current_app.logger.warning(
'Fail set password using OS password manager'
', fallback to master password. Error: {0}'.format(e)
)
config.DISABLED_LOCAL_PASSWORD_STORAGE = True
# If the master password is required and the master password hook
# is specified then try to retrieve the encryption key and update data.
# If there is an error while retrieving it, return an error message.
if config.SERVER_MODE and config.MASTER_PASSWORD_REQUIRED and \
config.MASTER_PASSWORD_HOOK:
status, enc_key = get_crypt_key()
if status:
data = {'password': enc_key, 'submit_password': True}
else:
error = gettext('The master password could not be retrieved from '
'the MASTER_PASSWORD_HOOK utility specified {0}.'
'Please check that the hook utility is configured'
' correctly.'.format(config.MASTER_PASSWORD_HOOK))
return form_master_password_response(
existing=False,
present=False,
errmsg=error,
invalid_master_password_hook=True
)
# Master password is applicable for Desktop mode and in server mode
# only when auth sources are oauth, kerberos, webserver.
if (not config.SERVER_MODE) or OAUTH2 in config.AUTHENTICATION_SOURCES \
or KERBEROS in config.AUTHENTICATION_SOURCES \
or WEBSERVER in config.AUTHENTICATION_SOURCES \
and config.MASTER_PASSWORD_REQUIRED:
# if master pass is set previously
if current_user.masterpass_check is not None and \
data.get('submit_password', False) and \
not validate_master_password(data.get('password')):
errmsg = '' if config.MASTER_PASSWORD_HOOK \
else gettext("Incorrect master password")
invalid_master_password_hook = \
True if config.MASTER_PASSWORD_HOOK else False
return form_master_password_response(
existing=True,
present=False,
errmsg=errmsg,
invalid_master_password_hook=invalid_master_password_hook
)
# if master password received in request
if data != '' and data.get('password', '') != '':
# store the master pass in the memory
set_crypt_key(data.get('password'))
if current_user.masterpass_check is None:
# master check is not set, which means the server password
# data is old and is encrypted with old key
# Re-encrypt with new key
from pgadmin.browser.server_groups.servers.utils \
import reencrpyt_server_passwords
reencrpyt_server_passwords(
current_user.id, current_user.password,
data.get('password'))
# set the encrypted sample text with the new
# master pass
set_masterpass_check_text(data.get('password'))
# If password in request is empty then try to get it with
# get_crypt_key method. If get_crypt_key() returns false status and
# masterpass_check is already set, provide a pop to enter
# master password(present) without the reset option.(existing).
elif not get_crypt_key()[0] and \
current_user.masterpass_check is not None:
return form_master_password_response(
existing=True,
present=False,
)
# If get_crypt_key return True,but crypt_key is none and
# user entered blank password, return error message.
elif not get_crypt_key()[1]:
error_message = None
# If user attempted to enter a blank password, then throw error
if data.get('submit_password') and data.get('password') == '':
error_message = gettext("Master password cannot be empty")
return form_master_password_response(
existing=False,
present=False,
errmsg=error_message
)
# if master password is disabled now, but was used once then
# remove all the saved passwords
process_masterpass_disabled()
if config.SERVER_MODE and current_user.masterpass_check is None:
crypt_key = get_crypt_key()[1]
from pgadmin.browser.server_groups.servers.utils \
import reencrpyt_server_passwords
reencrpyt_server_passwords(
current_user.id, current_user.password, crypt_key)
set_masterpass_check_text(crypt_key)
return form_master_password_response(
present=True,
)
# Only register route if SECURITY_CHANGEABLE is set to True
# We can't access app context here so cannot
# use app.config['SECURITY_CHANGEABLE']
if hasattr(config, 'SECURITY_CHANGEABLE') and config.SECURITY_CHANGEABLE:
@blueprint.route("/change_password", endpoint="change_password",
methods=['GET', 'POST'])
@pgCSRFProtect.exempt
@login_required
def change_password():
"""View function which handles a change password request."""
form_class = _security.forms.get('change_password_form').cls
req_json = request.get_json(silent=True)
if not req_json:
form = form_class()
return {
'csrf_token': form.csrf_token._value()
}
elif req_json:
form = form_class(MultiDict(req_json))
if form.validate():
errormsg = None
# change_user_password from flask-security logs out the user
# this is undesirable, so change password on own
try:
user = User.query.filter(
User.fs_uniquifier == current_user.fs_uniquifier)\
.first()
user.password = hash_password(form.new_password.data)
try:
send_password_changed_notice(user)
except Exception as _:
# No need to throw error if failed in sending email
pass
except Exception as e:
# Handle other exceptions.
logging.exception(str(e), exc_info=True)
errormsg = gettext(PASS_ERROR).format(e)
if errormsg is None:
old_key = get_crypt_key()[1]
set_crypt_key(form.new_password.data, False)
from pgadmin.browser.server_groups.servers.utils \
import reencrpyt_server_passwords
reencrpyt_server_passwords(
current_user.id, old_key, form.new_password.data)
db.session.commit()
elif errormsg is not None:
return internal_server_error(errormsg)
else:
return bad_request(list(form.errors.values())[0][0])
return make_json_response(
success=1,
info=gettext('pgAdmin user password changed successfully')
)
# Only register route if SECURITY_RECOVERABLE is set to True
if hasattr(config, 'SECURITY_RECOVERABLE') and config.SECURITY_RECOVERABLE:
def send_reset_password_instructions(user):
"""Sends the reset password instructions email for the specified user.
:param user: The user to send the instructions to
"""
token = generate_reset_password_token(user)
reset_link = url_for('browser.reset_password', token=token,
_external=True)
send_mail(config_value('EMAIL_SUBJECT_PASSWORD_RESET'), user.email,
'reset_instructions',
user=user, reset_link=reset_link)
reset_password_instructions_sent.send(
current_app._get_current_object(),
user=user, token=token)
@blueprint.route("/reset_password", endpoint="forgot_password",
methods=['GET', 'POST'])
@pgCSRFProtect.exempt
@anonymous_user_required
def forgot_password():
"""View function that handles a forgotten password request."""
has_error = False
form_class = _security.forms.get('forgot_password_form').cls
req_json = request.get_json(silent=True)
if req_json:
form = form_class(MultiDict(req_json))
else:
form = form_class()
if form.validate_on_submit():
# Check the Authentication source of the User
user = User.query.filter_by(
email=form.data['email'],
auth_source=INTERNAL
).first()
if user is None:
# If the user is not an internal user, raise the exception
flash(gettext('Your account is authenticated using an '
'external {} source. '
'Please contact the administrators of this '
'service if you need to reset your password.'
).format(form.user.auth_source),
MessageType.ERROR)
has_error = True
if not has_error:
try:
send_reset_password_instructions(form.user)
except SOCKETErrorException as e:
# Handle socket errors which are not
# covered by SMTPExceptions.
logging.exception(str(e), exc_info=True)
flash(gettext(SMTP_SOCKET_ERROR).format(e),
MessageType.ERROR)
has_error = True
except (SMTPConnectError, SMTPResponseException,
SMTPServerDisconnected, SMTPDataError, SMTPHeloError,
SMTPException, SMTPAuthenticationError,
SMTPSenderRefused, SMTPRecipientsRefused) as e:
# Handle smtp specific exceptions.
logging.exception(str(e), exc_info=True)
flash(gettext(SMTP_ERROR).format(e),
MessageType.ERROR)
has_error = True
except Exception as e:
# Handle other exceptions.
logging.exception(str(e), exc_info=True)
flash(gettext(PASS_ERROR).format(e),
MessageType.ERROR)
has_error = True
if request.get_json(silent=True) is None and not has_error:
do_flash(*get_message('PASSWORD_RESET_REQUEST',
email=form.user.email))
if request.get_json(silent=True) and not has_error:
return default_render_json(form, include_user=False)
for errors in form.errors.values():
for error in errors:
flash(error, MessageType.WARNING)
return _security.render_template(
config_value('FORGOT_PASSWORD_TEMPLATE'),
forgot_password_form=form,
**_ctx('forgot_password'))
# We are not in app context so cannot use
# url_for('browser.forgot_password')
# So hard code the url '/browser/reset_password' while passing as
# parameter to slash_url_suffix function.
@blueprint.route(
'/reset_password' + slash_url_suffix(
'/browser/reset_password', '<token>'
),
methods=['GET', 'POST'],
endpoint='reset_password'
)
@pgCSRFProtect.exempt
@anonymous_user_required
def reset_password(token):
"""View function that handles a reset password request."""
expired, invalid, user = reset_password_token_status(token)
if invalid:
do_flash(*get_message('INVALID_RESET_PASSWORD_TOKEN'))
if expired:
do_flash(*get_message('PASSWORD_RESET_EXPIRED', email=user.email,
within=_security.reset_password_within))
if invalid or expired:
return redirect(url_for('browser.forgot_password'))
has_error = False
form_class = _security.forms.get('reset_password_form').cls
form = form_class(request.form) if request.form else form_class()
if form.validate_on_submit():
try:
update_password(user, form.password.data)
except SOCKETErrorException as e:
# Handle socket errors which are not covered by SMTPExceptions.
logging.exception(str(e), exc_info=True)
flash(gettext(SMTP_SOCKET_ERROR).format(e),
MessageType.ERROR)
has_error = True
except (SMTPConnectError, SMTPResponseException,
SMTPServerDisconnected, SMTPDataError, SMTPHeloError,
SMTPException, SMTPAuthenticationError, SMTPSenderRefused,
SMTPRecipientsRefused) as e:
# Handle smtp specific exceptions.
logging.exception(str(e), exc_info=True)
flash(gettext(SMTP_ERROR).format(e),
MessageType.ERROR)
has_error = True
except Exception as e:
# Handle other exceptions.
logging.exception(str(e), exc_info=True)
flash(gettext(PASS_ERROR).format(e),
MessageType.ERROR)
has_error = True
if not has_error:
after_this_request(view_commit)
auth_obj = AuthSourceManager(form, [INTERNAL])
session['_auth_source_manager_obj'] = auth_obj.as_dict()
if user.login_attempts >= config.MAX_LOGIN_ATTEMPTS > 0:
flash(gettext('You successfully reset your password but'
' your account is locked. Please contact '
'the Administrator.'),
MessageType.WARNING)
return redirect(get_post_logout_redirect())
do_flash(*get_message('PASSWORD_RESET'))
login_user(user)
auth_obj = AuthSourceManager(form, [INTERNAL])
session['auth_source_manager'] = auth_obj.as_dict()
return redirect(get_url(_security.post_reset_view) or
get_url(_security.post_login_view))
return _security.render_template(
config_value('RESET_PASSWORD_TEMPLATE'),
reset_password_form=form,
reset_password_token=token,
**_ctx('reset_password'))
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