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annotate libervia/pages/login/page_meta.py @ 1262:3fc3f2cde6a1

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taks (brython): fixed prepare()
author Goffi <goffi@goffi.org>
date Mon, 04 May 2020 10:07:45 +0200
parents f511f8fbbf8a
children 24e2973378f6
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1 #!/usr/bin/env python3
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2
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3
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4 from sat.core.i18n import _
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5 from sat.core import exceptions
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6 from libervia.server.constants import Const as C
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7 from libervia.server import session_iface
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8 from twisted.internet import defer
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9 from sat.core.log import getLogger
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11 log = getLogger(__name__)
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13 """SàT log-in page, with link to create an account"""
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14
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15 name = "login"
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16 access = C.PAGES_ACCESS_PUBLIC
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17 template = "login/login.html"
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19
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20 def prepare_render(self, request):
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21 template_data = request.template_data
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22
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23 #  we redirect to logged page if a session is active
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24 profile = self.getProfile(request)
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25 if profile is not None:
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26 self.pageRedirect("/login/logged", request)
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28 # login error message
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29 session_data = self.host.getSessionData(request, session_iface.ISATSession)
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30 login_error = session_data.popPageData(self, "login_error")
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31 if login_error is not None:
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32 template_data["S_C"] = C # we need server constants in template
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33 template_data["login_error"] = login_error
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34 template_data["empty_password_allowed"] = bool(
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35 self.host.options["empty_password_allowed_warning_dangerous_list"]
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36 )
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37
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38 # register page url
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39 template_data["register_url"] = self.getPageRedirectURL(request, "register")
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40
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41 #  if login is set, we put it in template to prefill field
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42 template_data["login"] = session_data.popPageData(self, "login")
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45 def login_error(self, request, error_const):
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46 """set login_error in page data
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47
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48 @param error_const(unicode): one of login error constant
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49 @return C.POST_NO_CONFIRM: avoid confirm message
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50 """
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51 session_data = self.host.getSessionData(request, session_iface.ISATSession)
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52 session_data.setPageData(self, "login_error", error_const)
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53 return C.POST_NO_CONFIRM
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55
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56 @defer.inlineCallbacks
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57 def on_data_post(self, request):
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58 profile = self.getProfile(request)
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59 type_ = self.getPostedData(request, "type")
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60 if type_ == "disconnect":
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61 if profile is None:
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62 log.warning(_("Disconnect called when no profile is logged"))
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63 self.pageError(request, C.HTTP_BAD_REQUEST)
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64 else:
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65 self.host.purgeSession(request)
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66 defer.returnValue(C.POST_NO_CONFIRM)
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67 elif type_ == "login":
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68 login, password = self.getPostedData(request, ("login", "password"))
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69 try:
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70 status = yield self.host.connect(request, login, password)
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71 except exceptions.ProfileUnknownError:
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72 # the profile doesn't exist, we return the same error as for invalid password
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73 # to avoid bruteforcing valid profiles
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74 log.warning(f"login tentative with invalid profile: {login!r}")
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75 defer.returnValue(login_error(self, request, C.PROFILE_AUTH_ERROR))
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76 except ValueError as e:
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77 if e.message in (C.XMPP_AUTH_ERROR, C.PROFILE_AUTH_ERROR):
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78 defer.returnValue(login_error(self, request, e.message))
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79 else:
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80 # this error was not expected!
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81 raise e
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82 except exceptions.TimeOutError:
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83 defer.returnValue(login_error(self, request, C.NO_REPLY))
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84 else:
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85 if status in (C.PROFILE_LOGGED, C.PROFILE_LOGGED_EXT_JID, C.SESSION_ACTIVE):
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86 # Profile has been logged correctly
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87 self.redirectOrContinue(request)
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88 else:
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89 log.error(_("Unhandled status: {status}".format(status=status)))
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90 else:
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91 self.pageError(request, C.HTTP_BAD_REQUEST)