import re
import sys
import json
from Config import config
from Plugin import PluginManager
from Crypt import CryptBitcoin
from . import UserPlugin
from util.Flag import flag
# We can only import plugin host clases after the plugins are loaded
@PluginManager.afterLoad
def importPluginnedClasses():
global UserManager
from User import UserManager
try:
local_master_addresses = set(json.load(open("%s/users.json" % config.data_dir)).keys()) # Users in users.json
except Exception as err:
local_master_addresses = set()
@PluginManager.registerTo("UiRequest")
class UiRequestPlugin(object):
def __init__(self, *args, **kwargs):
self.user_manager = UserManager.user_manager
super(UiRequestPlugin, self).__init__(*args, **kwargs)
# Create new user and inject user welcome message if necessary
# Return: Html body also containing the injection
def actionWrapper(self, path, extra_headers=None):
match = re.match("/(?P<address>[A-Za-z0-9\._-]+)(?P<inner_path>/.*|$)", path)
if not match:
return False
inner_path = match.group("inner_path").lstrip("/")
html_request = "." not in inner_path or inner_path.endswith(".html") # Only inject html to html requests
user_created = False
if html_request:
user = self.getCurrentUser() # Get user from cookie
if not user: # No user found by cookie
user = self.user_manager.create()
user_created = True
else:
user = None
# Disable new site creation if --multiuser_no_new_sites enabled
if config.multiuser_no_new_sites:
path_parts = self.parsePath(path)
if not self.server.site_manager.get(match.group("address")) and (not user or user.master_address not in local_master_addresses):
self.sendHeader(404)
return self.formatError("Not Found", "Adding new sites disabled on this proxy", details=False)
if user_created:
if not extra_headers:
extra_headers = {}
extra_headers['Set-Cookie'] = "master_address=%s;path=/;max-age=2592000;" % user.master_address # = 30 days
loggedin = self.get.get("login") == "done"
back_generator = super(UiRequestPlugin, self).actionWrapper(path, extra_headers) # Get the wrapper frame output
if not back_generator: # Wrapper error or not string returned, injection not possible
return False
elif loggedin:
back = next(back_generator)
inject_html = """
<!-- Multiser plugin -->
<script nonce="{script_nonce}">
setTimeout(function() {
zeroframe.cmd("wrapperNotification", ["done", "{message}<br><small>You have been logged in successfully</small>", 5000])
}, 1000)
</script>
</body>
</html>
""".replace("\t", "")
if user.master_address in local_master_addresses:
message = "Hello master!"
else:
message = "Hello again!"
inject_html = inject_html.replace("{message}", message)
inject_html = inject_html.replace("{script_nonce}", self.getScriptNonce())
return iter([re.sub(b"</body>\s*</html>\s*$", inject_html.encode(), back)]) # Replace the </body></html> tags with the injection
else: # No injection necessary
return back_generator
# Get the current user based on request's cookies
# Return: User object or None if no match
def getCurrentUser(self):
cookies = self.getCookies()
user = None
if "master_address" in cookies:
users = self.user_manager.list()
user = users.get(cookies["master_address"])
return user
@PluginManager.registerTo("UiWebsocket")
class UiWebsocketPlugin(object):
def __init__(self, *args, **kwargs):
if config.multiuser_no_new_sites:
flag.no_multiuser(self.actionMergerSiteAdd)
super(UiWebsocketPlugin, self).__init__(*args, **kwargs)
# Let the page know we running in multiuser mode
def formatServerInfo(self):
server_info = super(UiWebsocketPlugin, self).formatServerInfo()
server_info["multiuser"] = True
if "ADMIN" in self.site.settings["permissions"]:
server_info["master_address"] = self.user.master_address
is_multiuser_admin = config.multiuser_local or self.user.master_address in local_master_addresses
server_info["multiuser_admin"] = is_multiuser_admin
return server_info
# Show current user's master seed
@flag.admin
def actionUserShowMasterSeed(self, to):
message = "<b style='padding-top: 5px; display: inline-block'>Your unique private key:</b>"
message += "<div style='font-size: 84%%; background-color: #FFF0AD; padding: 5px 8px; margin: 9px 0px'>%s</div>" % self.user.master_seed
message += "<small>(Save it, you can access your account using this information)</small>"
self.cmd("notification", ["info", message])
# Logout user
@flag.admin
def actionUserLogout(self, to):
message = "<b>You have been logged out.</b> <a href='#Login' class='button' id='button_notification'>Login to another account</a>"
self.cmd("notification", ["done", message, 1000000]) # 1000000 = Show ~forever :)
script = "document.cookie = 'master_address=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/';"
script += "$('#button_notification').on('click', function() { zeroframe.cmd(\"userLoginForm\", []); });"
self.cmd("injectScript", script)
# Delete from user_manager
user_manager = UserManager.user_manager
if self.user.master_address in user_manager.users:
if not config.multiuser_local:
del user_manager.users[self.user.master_address]
self.response(to, "Successful logout")
else:
self.response(to, "User not found")
@flag.admin
def actionUserSet(self, to, master_address):
user_manager = UserManager.user_manager
user = user_manager.get(master_address)
if not user:
raise Exception("No user found")
script = "document.cookie = 'master_address=%s;path=/;max-age=2592000;';" % master_address
script += "zeroframe.cmd('wrapperReload', ['login=done']);"
self.cmd("notification", ["done", "Successful login, reloading page..."])
self.cmd("injectScript", script)
self.response(to, "ok")
@flag.admin
def actionUserSelectForm(self, to):
if not config.multiuser_local:
raise Exception("Only allowed in multiuser local mode")
user_manager = UserManager.user_manager
body = "<span style='padding-bottom: 5px; display: inline-block'>" + "Change account:" + "</span>"
for master_address, user in user_manager.list().items():
is_active = self.user.master_address == master_address
if user.certs:
first_cert = next(iter(user.certs.keys()))
title = "%s@%s" % (user.certs[first_cert]["auth_user_name"], first_cert)
else:
title = user.master_address
if len(user.sites) < 2 and not is_active: # Avoid listing ad-hoc created users
continue
if is_active:
css_class = "active"
else:
css_class = "noclass"
body += "<a href='#Select+user' class='select select-close user %s' title='%s'>%s</a>" % (css_class, user.master_address, title)
script = """
$(".notification .select.user").on("click", function() {
$(".notification .select").removeClass('active')
zeroframe.response(%s, this.title)
return false
})
""" % self.next_message_id
self.cmd("notification", ["ask", body], lambda master_address: self.actionUserSet(to, master_address))
self.cmd("injectScript", script)
# Show login form
def actionUserLoginForm(self, to):
self.cmd("prompt", ["<b>Login</b><br>Your private key:", "password", "Login"], self.responseUserLogin)
# Login form submit
def responseUserLogin(self, master_seed):
user_manager = UserManager.user_manager
user = user_manager.get(CryptBitcoin.privatekeyToAddress(master_seed))
if not user:
user = user_manager.create(master_seed=master_seed)
if user.master_address:
script = "document.cookie = 'master_address=%s;path=/;max-age=2592000;';" % user.master_address
script += "zeroframe.cmd('wrapperReload', ['login=done']);"
self.cmd("notification", ["done", "Successful login, reloading page..."])
self.cmd("injectScript", script)
else:
self.cmd("notification", ["error", "Error: Invalid master seed"])
self.actionUserLoginForm(0)
def hasCmdPermission(self, cmd):
flags = flag.db.get(self.getCmdFuncName(cmd), ())
is_public_proxy_user = not config.multiuser_local and self.user.master_address not in local_master_addresses
if is_public_proxy_user and "no_multiuser" in flags:
self.cmd("notification", ["info", "This function is disabled on this proxy!"])
return False
else:
return super(UiWebsocketPlugin, self).hasCmdPermission(cmd)
def actionCertAdd(self, *args, **kwargs):
super(UiWebsocketPlugin, self).actionCertAdd(*args, **kwargs)
master_seed = self.user.master_seed
message = """
<style>
.masterseed {
font-size: 85%; background-color: #FFF0AD; padding: 5px 8px; margin: 9px 0px; width: 100%;
box-sizing: border-box; border: 0px; text-align: center; cursor: pointer;
}
</style>
<b>Hello, welcome to ZeroProxy!</b><div style='margin-top: 8px'>A new, unique account created for you:</div>
<input type='text' class='masterseed' id='button_notification_masterseed' value='Click here to show' readonly/>
<div style='text-align: center; font-size: 85%; margin-bottom: 10px;'>
or <a href='#Download' id='button_notification_download'
class='masterseed_download' download='zeronet_private_key.backup'>Download backup as text file</a>
</div>
<div>
This is your private key, <b>save it</b>, so you can login next time.<br>
<b>Warning: Without this key, your account will be lost forever!</b>
</div><br>
<a href='#' class='button' style='margin-left: 0px'>Ok, Saved it!</a><br><br>
<small>This site allows you to browse ZeroNet content, but if you want to secure your account <br>
and help to keep the network alive, then please run your own <a href='https://zeronet.io' target='_blank'>ZeroNet client</a>.</small>
"""
self.cmd("notification", ["info", message])
script = """
$("#button_notification_masterseed").on("click", function() {
this.value = "{master_seed}"; this.setSelectionRange(0,100);
})
$("#button_notification_download").on("mousedown", function() {
this.href = window.URL.createObjectURL(new Blob(["ZeroNet user master seed:\\r\\n{master_seed}"]))
})
""".replace("{master_seed}", master_seed)
self.cmd("injectScript", script)
def actionPermissionAdd(self, to, permission):
is_public_proxy_user = not config.multiuser_local and self.user.master_address not in local_master_addresses
if permission == "NOSANDBOX" and is_public_proxy_user:
self.cmd("notification", ["info", "You can't disable sandbox on this proxy!"])
self.response(to, {"error": "Denied by proxy"})
return False
else:
return super(UiWebsocketPlugin, self).actionPermissionAdd(to, permission)
@PluginManager.registerTo("ConfigPlugin")
class ConfigPlugin(object):
def createArguments(self):
group = self.parser.add_argument_group("Multiuser plugin")
group.add_argument('--multiuser_local', help="Enable unsafe Ui functions and write users to disk", action='store_true')
group.add_argument('--multiuser_no_new_sites', help="Denies adding new sites by normal users", action='store_true')
return super(ConfigPlugin, self).createArguments()