Thanks, you're right, Facebook documentation is very poor and is often outdated. That page says that anyone can send you an email from external mail services (gmail, yahoo, etc).. but I tried that and I receive a response from Facebook saying that there is a permission problem... I suppose that the user can choose not to be contacted outside facebook :/
So in my case, I have no way to avoid this problem. Maybe creating that "fake" email address and asking the user to enter a valid emai addres and then verify it... but that deviates from the goal of "register/login with facebook", that should be a simple and fast method, mostly for the user. Anyway, thanks a lot for the help and the answers! Off the topic, I'm starting to think that Facebook is kind of an ·"internet explorer" experience for developers, where developers have to work extra to cover inconsistency or problems like this :/ 2013/10/29 Michele Comitini <michele.comit...@gmail.com> > this is what they say: > > https://www.facebook.com/help/224049364288051 > > facebook documentation for developers is incomplete, so to say, on many > occasions... > > mic > > > > > 2013/10/29 Lisandro Rostagno <rostagnolisan...@gmail.com> > >> Thanks for the answer. The problem is that I really need a valid email >> address, because in my site I use that email to send important >> notifications to the user. >> I already tried with "facebook mail", that is, joining the user name with >> "@facebook.com". But it didn't work. When I send an email to a facebook >> mail, I receive an automatic response from Facebook saying that there is a >> permission problem. I understand that @facebook email addresses are only >> for communication between Facebook users :/ >> >> >> 2013/10/29 Michele Comitini <michele.comit...@gmail.com> >> >>> create a fake email... >>> >>> something like the following (check for errors I did not test it) >>> >>> if user: >>> if not user.has_key('email') or user['email'] == '' or user['email'] >>> is None: >>> user['email'] = user['first_name'] + '.' + user['last_name'] + '.' >>> + user['id'] + '@facebook.email.is.not.valid' >>> >>> >>> >>> 2013/10/29 Lisandro <rostagnolisan...@gmail.com> >>> >>>> I see, your theory is pretty much accurate (sorry for my english, I >>>> hope that phrase is correct). What I mean is that your theory is the most >>>> addecuate for this case, thought it can't be proved. Actually, there is >>>> another error that says something about access token been already used, but >>>> happens very little. >>>> >>>> My question now is: ¿can I avoid this situation and do something? >>>> >>>> I have this in one of my models: >>>> >>>> if session.login_facebook: >>>> from globales import FaceBookAccount >>>> auth.settings.login_form = FaceBookAccount(globals()) >>>> >>>> And this is te dfinition of FaceBookAccount class: >>>> >>>> class FaceBookAccount(OAuthAccount): >>>> AUTH_URL="https://graph.facebook.com/oauth/authorize"; >>>> TOKEN_URL="https://graph.facebook.com/oauth/access_token"; >>>> >>>> def __init__(self, g): >>>> OAuthAccount.__init__(self, g, current.FACEBOOK_APP_ID, >>>> current.FACEBOOK_APP_SECRET_KEY, \ >>>> self.AUTH_URL, self.TOKEN_URL, scope='email') >>>> self.graph = None >>>> >>>> def get_user(self): >>>> if not self.accessToken(): >>>> return None >>>> if not self.graph: >>>> self.graph = GraphAPI((self.accessToken())) >>>> user = None >>>> try: >>>> user = self.graph.get_object("me") >>>> except GraphAPIError, e: >>>> self.session.token = None >>>> self.graph = None >>>> if user: >>>> return dict(first_name='%s %s' %(user['first_name'], >>>> user['last_name']), \ >>>> username=user['id'], registration_id=user['id'], >>>> email=user['email']) >>>> >>>> I would like to, at least, show an error message to the user saying >>>> that something went wrong trying to get his/her email from Facebook, and >>>> that he/she should try again. Can't figure it out how to do it :/ >>>> >>>> >>>> El martes, 29 de octubre de 2013 03:48:36 UTC-3, Christian Foster Howes >>>> escribió: >>>> >>>>> the problem is that facebook is not returning an email. >>>>> >>>>> i know, i know, you told facebook that email is required and you can't >>>>> reproduce such a state. i'm 100% with you, but i see the exact same >>>>> behavior with my users! i suspect that these are actually returning users >>>>> who granted email access when they first created an account, but then they >>>>> changed their facebook permissions to remove email access and when they >>>>> return to your site and login, facebook lets them (because they have >>>>> before), but does not give you the email address. i have not confirmed >>>>> this theory, but it's my running theory. >>>>> >>>>> other potential issue is the expiration of the facebook access token. >>>>> those rules changed this spring and i'm not 100% up to date on the rules >>>>> right now. >>>>> >>>>> cfh >>>>> >>>>> On Monday, October 28, 2013 10:57:06 AM UTC-7, Lisandro wrote: >>>>>> >>>>>> I'm having a similar problem with KeyError: 'email'. >>>>>> >>>>>> I have a site in production that uses oauth2 and offers the >>>>>> possibility of register/login using personal facebook account. >>>>>> I created a Facebook app and set permissions to get user's email (so >>>>>> I can create the account on my site). Everything works perfect, lots of >>>>>> users have registered in my site using their Facebook accounts. Even >>>>>> myself. >>>>>> >>>>>> However, there are some error tickets created with this error of >>>>>> "KeyError:email". First I thought that some users didn't let the >>>>>> application get their emails, but that's not possible. When you try to >>>>>> log >>>>>> in my site using Facebook, facebook tells you that te application will >>>>>> get >>>>>> your email, and you only can accept or decline. If you decline, you're >>>>>> not >>>>>> registered. And if you accept, my site gets your email and creates the >>>>>> account. >>>>>> >>>>>> So, I don't know which could be the problem. This is the traceback of >>>>>> the error: >>>>>> >>>>>> >>>>>> >>>>>> Traceback (most recent call last): >>>>>> File "/var/www/vendosimple/gluon/**restricted.py", line 212, in >>>>>> restricted >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> exec ccode in environment >>>>>> File >>>>>> "/var/www/vendosimple/**applications/init/controllers/**default.py", >>>>>> line 645, in <module> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> File "/var/www/vendosimple/gluon/**globals.py", line 194, in <lambda> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> self._caller = lambda f: f() >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> File >>>>>> "/var/www/vendosimple/**applications/init/controllers/**default.py", >>>>>> line 380, in user >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> form = auth() >>>>>> File "/var/www/vendosimple/gluon/**tools.py", line 1250, in __call__ >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> return getattr(self, args[0])() >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> File "/var/www/vendosimple/gluon/**tools.py", line 2128, in login >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> cas_user = cas.get_user() >>>>>> File "applications/init/modules/**globales.py", line 41, in get_user >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> username=user['id'], registration_id=user['id'], email=user['email']) >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> KeyError: 'email' >>>>>> >>>>>> >>>>>> Any ideas? >>>>>> >>>>>> >>>>>> El martes, 7 de junio de 2011 01:00:33 UTC-3, Massimo Di Pierro >>>>>> escribió: >>>>>>> >>>>>>> I am not familiar with facebook email. >>>>>>> >>>>>>> If this (username + @facebook) is avlid email, perhaps web should >>>>>>> set >>>>>>> that even if username=True >>>>>>> >>>>>>> On Jun 6, 7:15 pm, "Sebastian E. Ovide" <sebastian.ov...@gmail.com> >>>>>>> wrote: >>>>>>> > I do not see major pros and cons... it is a matter of >>>>>>> precerences... >>>>>>> > >>>>>>> > 1) setting username=True in auth.define_tables(), define_tables >>>>>>> will add a >>>>>>> > field on the table (username) and if that field is present, >>>>>>> authentication >>>>>>> > will be done using username. Personally I prefer to use emails >>>>>>> rather than >>>>>>> > usernames, and as I am using BOTH web2py auth and facebook at the >>>>>>> same time >>>>>>> > for authentication (two different links for different logins), I >>>>>>> didn't want >>>>>>> > to force my application to use usernames.... so I've used the >>>>>>> second option >>>>>>> > >>>>>>> > 2) in this case I'm adding an email created by the facebook >>>>>>> username + >>>>>>> > @facebook and therefore auth will keep using email for >>>>>>> authentication... >>>>>>> > >>>>>>> > no web2py code has been touched, although I'm extending Auth and >>>>>>> > overriding navbar to display a second login link (facebook) and >>>>>>> hide >>>>>>> > change_password when it is logged in via facebook. >>>>>>> > >>>>>>> > if session.login_method_used is None: >>>>>>> > if not 'change_password' in self.settings.actions_ >>>>>>> **disabled: >>>>>>> > bar.insert(-1, ' | ') >>>>>>> > bar.insert(-1, password) >>>>>>> > >>>>>>> > and in my controller: >>>>>>> > >>>>>>> > def user(): >>>>>>> > if auth.user_id: >>>>>>> > if request.args[0] == 'logout': >>>>>>> > session.login_method_used=None >>>>>>> > else: >>>>>>> > if request.args[0] == 'login': >>>>>>> > session.login_method_used=None >>>>>>> > elif request.args[0] == 'login_fb': >>>>>>> > session.login_method_used="**facebook" >>>>>>> > request.args[0]='login' >>>>>>> > >>>>>>> > if session.login_method_used=="**facebook": >>>>>>> > auth.settings.login_form=**FaceBookAccount(globals()) >>>>>>> > >>>>>>> > return dict(form=auth()) >>>>>>> > >>>>>>> > On Mon, Jun 6, 2011 at 11:16 PM, Massimo Di Pierro < >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > massimo.dipie...@gmail.com> wrote: >>>>>>> > > if there is agreement on one, please send me a patch. >>>>>>> > >>>>>>> > > On Jun 6, 4:31 pm, "Sebastian E. Ovide" < >>>>>>> sebastian.ov...@gmail.com> >>>>>>> > > wrote: >>>>>>> > > > Hi Mic, >>>>>>> > >>>>>>> > > > thanks for that. >>>>>>> > >>>>>>> > > > actually I've debugged web2py and figure it out for myself. >>>>>>> There are two >>>>>>> > > > easy ways to fix it (I've tried to add them to the book, but >>>>>>> my account >>>>>>> > > > doesn't allow me to edit it) >>>>>>> > >>>>>>> > > > 1) set username=False in auth.define_tables() >>>>>>> > > > 2) add email = >>>>>>> > > > user['username']+"@facebook.**com<http://facebook.com>" >>>>>>> in the return of def >>>>>>> > > > get_user >>>>>>> > >>>>>>> > > > On Mon, Jun 6, 2011 at 10:02 PM, Michele Comitini < >>>>>>> > >>>>>>> > > > michele.comit...@gmail.com> wrote: >>>>>>> > > > > Hi Sebastian, >>>>>>> > >>>>>>> > > > > copy from this example: >>>>>>> > >>>>>>> > > > >http://code.google.com/r/**michelecomitini-** >>>>>>> facebookaccess/source/browse<http://code.google.com/r/michelecomitini-facebookaccess/source/browse>. >>>>>>> >>>>>>> > > .. >>>>>>> > >>>>>>> > > > > < >>>>>>> > >http://code.google.com/r/**michelecomitini-** >>>>>>> facebookaccess/source/browse<http://code.google.com/r/michelecomitini-facebookaccess/source/browse>.. >>>>>>> >>>>>>> > > .>and >>>>>>> > > > > let me know >>>>>>> > >>>>>>> > > > > mic >>>>>>> > >>>>>>> > > > > 2011/6/6 Sebastian E. Ovide <sebastian.ov...@gmail.com> >>>>>>> > >>>>>>> > > > > Hi All, >>>>>>> > >>>>>>> > > > >> just wondering if the section "OAuth2.0 and Facebook" of >>>>>>> the book is >>>>>>> > > up to >>>>>>> > > > >> date? >>>>>>> > >>>>>>> > > > >> I following it's instructions but I'm getting an "Internal >>>>>>> error" >>>>>>> > >>>>>>> > > > >> to reproduce >>>>>>> > >>>>>>> > > > >> 1) get last web2py 1.196.3 >>>>>>> > > > >> 2) follow the instructions from the book >>>>>>> > > > >> 2.a) get facebook and place it in modules >>>>>>> > > > >> 2.b) copy the code from the book >>>>>>> > > > >> 2.c) replace "from facebook import GraphAPI" with "facebook >>>>>>> = >>>>>>> > > > >> local_import('facebook')" >>>>>>> > > > >> 2.d) replace facebook. to GraphAPIError and GraphAPI >>>>>>> > > > >> 2.e) replace YOUR_CLIENT_ID and YOUR_CLIENT_SECRET with >>>>>>> real data >>>>>>> > > > >> 3) set your app URL tohttp://localhost:8000/**welcome/ >>>>>>> > >>>>>>> > > > >> Is something missing ? >>>>>>> > >>>>>>> > > > >> When I click login, it redirect me to facebook, where I can >>>>>>> login, and >>>>>>> > > > >> then it redirects me tohttp://localhost:8000/**welcome/ >>>>>>> > >>>>>>> > > > >> At that point I get an error: >>>>>>> > >>>>>>> > > > >> TRACEBACK >>>>>>> > >>>>>>> > > > >> 1. >>>>>>> > > > >> 2. >>>>>>> > > > >> 3. >>>>>>> > > > >> 4. >>>>>>> > > > >> 5. >>>>>>> > > > >> 6. >>>>>>> > > > >> 7. >>>>>>> > > > >> 8. >>>>>>> > > > >> 9. >>>>>>> > > > >> 10. >>>>>>> > > > >> 11. >>>>>>> > > > >> 12. >>>>>>> > > > >> 13. >>>>>>> > > > >> 14. >>>>>>> > > > >> 15. >>>>>>> > > > >> 16. >>>>>>> > >>>>>>> > > > >> Traceback (most recent call last): >>>>>>> > >>>>>>> > > > >> File "/home/sebas/Downloads/web2py/**gluon/restricted.py", >>>>>>> line 184, >>>>>>> > > in restricted >>>>>>> > >>>>>>> > > > >> exec ccode in environment >>>>>>> > >>>>>>> > > > >> File >>>>>>> > > "/home/sebas/Downloads/web2py/**applications/welcome/**controllers/default.py" >>>>>>> < >>>>>>> > >http://localhost:8000/admin/**default/edit/welcome/** >>>>>>> controllers/default.py<http://localhost:8000/admin/default/edit/welcome/controllers/default.py>>, >>>>>>> >>>>>>> > > line 71, in <module> >>>>>>> > >>>>>>> > > > >> File "/home/sebas/Downloads/web2py/**gluon/globals.py", >>>>>>> line 137, in >>>>>>> > > <lambda> >>>>>>> > >>>>>>> > > > >> / self._caller = lambda f: f() >>>>>>> > >>>>>>> > > > >> File >>>>>>> > > "/home/sebas/Downloads/web2py/**applications/welcome/**controllers/default.py" >>>>>>> < >>>>>>> > >http://localhost:8000/admin/**default/edit/welcome/** >>>>>>> controllers/default.py<http://localhost:8000/admin/default/edit/welcome/controllers/default.py>>, >>>>>>> >>>>>>> > > line 33, in user >>>>>>> > >>>>>>> > > > >> return dict(form=auth()) >>>>>>> > >>>>>>> > > > >> File "/home/sebas/Downloads/web2py/**gluon/tools.py", >>>>>>> line 1070, in >>>>>>> > > __call__ >>>>>>> > >>>>>>> > > > >> return getattr(self,args[0])() >>>>>>> > >>>>>>> > > > >> File "/home/sebas/Downloads/web2py/**gluon/tools.py", >>>>>>> line 1626, in >>>>>>> > > login >>>>>>> > >>>>>>> > > > >> user = >>>>>>> > > self.get_or_create_user(table_**user._filter_fields(cas_user)) >>>>>>> > >>>>>>> > > > >> File "/home/sebas/Downloads/web2py/**gluon/tools.py", >>>>>>> line 1360, in >>>>>>> > > get_or_create_user >>>>>>> > >>>>>>> > > > >> user = self.db(table_user[username] == >>>>>>> > > keys[username]).select().**first() >>>>>>> > >>>>>>> > > > >> KeyError: 'email' >>>>>>> > >>>>>>> > > > >> any ideas , thanks >>>>>>> > >>>>>>> > > > >> -- >>>>>>> > > > >> Sebastian E. Ovide >>>>>>> > >>>>>>> > > > -- >>>>>>> > > > Sebastian E. Ovide >>>>>>> > >>>>>>> > -- >>>>>>> > Sebastian E. Ovide >>>>>> >>>>>> -- >>>> Resources: >>>> - http://web2py.com >>>> - http://web2py.com/book (Documentation) >>>> - http://github.com/web2py/web2py (Source code) >>>> - https://code.google.com/p/web2py/issues/list (Report Issues) >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "web2py-users" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to web2py+unsubscr...@googlegroups.com. >>>> >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>> >>> -- >>> Resources: >>> - http://web2py.com >>> - http://web2py.com/book (Documentation) >>> - http://github.com/web2py/web2py (Source code) >>> - https://code.google.com/p/web2py/issues/list (Report Issues) >>> --- >>> You received this message because you are subscribed to a topic in the >>> Google Groups "web2py-users" group. >>> To unsubscribe from this topic, visit >>> https://groups.google.com/d/topic/web2py/qKmygzAdyME/unsubscribe. >>> To unsubscribe from this group and all its topics, send an email to >>> web2py+unsubscr...@googlegroups.com. >>> >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> >> -- >> Resources: >> - http://web2py.com >> - http://web2py.com/book (Documentation) >> - http://github.com/web2py/web2py (Source code) >> - https://code.google.com/p/web2py/issues/list (Report Issues) >> --- >> You received this message because you are subscribed to the Google Groups >> "web2py-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to web2py+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- > Resources: > - http://web2py.com > - http://web2py.com/book (Documentation) > - http://github.com/web2py/web2py (Source code) > - https://code.google.com/p/web2py/issues/list (Report Issues) > --- > You received this message because you are subscribed to a topic in the > Google Groups "web2py-users" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/web2py/qKmygzAdyME/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > web2py+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. 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