1 On some ikiwikis that I run, I get the following error on OpenID logins:
3 no_identity_server: Could not determine ID provider from URL.
5 > Is this fixed now that [[!debbug 738493]] has been fixed? --[[smcv]]
7 > > No, it isn't. I still get: `no_identity_server: Could not determine ID provider from URL.` from the latest ikiwiki in jessie (3.20140831), with liblwpx-paranoidagent-perl 1.10-3. Debugging tells me it's still related to the `500 Can't verify SSL peers without knowing which Certificate Authorities to trust` error, so probably because `Mozilla::CA` is not packaged ([[!debbug 702124]]). I still had to apply the patch to disable SSL verification at the end of this file. However, setting `$ENV{PERL_LWP_SSL_CA_PATH} = '/etc/ssl/certs';` seems to work now, so the following dumb patch works:
10 > > --- /usr/bin/ikiwiki.orig 2014-09-08 15:48:35.715868902 -0400
11 > > +++ /usr/bin/ikiwiki 2014-09-08 15:50:29.666779878 -0400
12 > > @@ -225,4 +225,5 @@
16 > > +$ENV{PERL_LWP_SSL_CA_PATH} = '/etc/ssl/certs';
20 > > may not be the best place to fiddle around with this, but then again it makes sense that it applies to the whole program. it should probably be reported upstream as well. also in my git repo. -- [[anarcat]]
22 > > > This seems Debian-specific. I would be inclined to consider this to be
23 > > > a packaging/system-integration (i.e. non-upstream) bug in
24 > > > `liblwpx-paranoidagent-perl` rather than an upstream bug in IkiWiki;
25 > > > it certainly seems inappropriate to put this Debian-specific path
26 > > > in upstream IkiWiki. If it can't be fixed in LWPX::ParanoidAgent for
27 > > > whatever reason, applying it via some sort of sed in ikiwiki's
28 > > > `debian/rules` might be more reasonable? --[[smcv]]
30 > > > > by "upstream", i did mean `liblwpx-paranoidagent-perl`. so yeah, maybe this should be punted back into that package's court again. :( --[[anarcat]]
32 [[!template id=gitbranch branch=anarcat/dev/ssl_ca_path author="[[anarcat]]"]]
34 I seem recall having that error before, and fixing it, but it always seems to come back and I forget how to fix it. So I'll just open this bug and document it if i can figure it out... -- [[users/anarcat]]
36 The Perl module manual says:
38 > "no_identity_server"
39 > (CV) Tried to do discovery on a URL that does not seem to have any providers at all.
41 Yet on the server side, I see no request coming in on the OpenID provider...
43 Adding debugging helps in figuring out wtf is going on:
46 anarcat@marcos:~$ diff -u ~/src/ikiwiki/IkiWiki/Plugin/openid.pm /usr/share/perl5/IkiWiki/Plugin/openid.pm
47 --- /home/anarcat/src/ikiwiki/IkiWiki/Plugin/openid.pm 2014-02-03 20:21:09.502878631 -0500
48 +++ /usr/share/perl5/IkiWiki/Plugin/openid.pm 2014-04-13 11:45:25.413297420 -0400
50 return Net::OpenID::Consumer->new(
54 consumer_secret => sub { return shift()+$secret },
55 required_root => auto_upgrade_https($q, $cgiurl),
63 [Sun Apr 13 11:45:35.796531 2014] [cgi:error] [pid 7299] [client 162.223.3.24:39547] AH01215: [DEBUG Net::OpenID::Consumer] Cache MISS for https://id.koumbit.net/anarcat, referer: http://cats.orangeseeds.org/ikiwiki.cgi?do=signin&action=verify&openid_identifier=https%3A%2F%2Fid.koumbit.net%2Fanarcat
64 [Sun Apr 13 11:45:35.842520 2014] [cgi:error] [pid 7299] [client 162.223.3.24:39547] AH01215: [DEBUG Net::OpenID::Consumer] Cache MISS for https://id.koumbit.net/anarcat, referer: http://cats.orangeseeds.org/ikiwiki.cgi?do=signin&action=verify&openid_identifier=https%3A%2F%2Fid.koumbit.net%2Fanarcat
65 [Sun Apr 13 11:45:35.845603 2014] [cgi:error] [pid 7299] [client 162.223.3.24:39547] AH01215: [DEBUG Net::OpenID::Consumer] semantic info (https://id.koumbit.net/anarcat) = , referer: http://cats.orangeseeds.org/ikiwiki.cgi?do=signin&action=verify&openid_identifier=https%3A%2F%2Fid.koumbit.net%2Fanarcat
66 [Sun Apr 13 11:45:35.845672 2014] [cgi:error] [pid 7299] [client 162.223.3.24:39547] AH01215: [DEBUG Net::OpenID::Consumer] fail(no_identity_server) Could not determine ID provider from URL., referer: http://cats.orangeseeds.org/ikiwiki.cgi?do=signin&action=verify&openid_identifier=https%3A%2F%2Fid.koumbit.net%2Fanarcat
69 There are three places in the code the original error message happens:
71 * Net::OpenID::claimed_identity
72 * Net::OpenID::verified_identity
73 * Net::OpenID::_find_openid_server
75 We'll look at the last one because it's where the URL data is actually fetched.
78 sub _find_openid_server {
79 my Net::OpenID::Consumer $self = shift;
81 my $final_url_ref = shift;
83 my $sem_info = $self->_find_semantic_info($url, $final_url_ref) or
86 return $self->_fail("no_identity_server") unless $sem_info->{"openid.server"};
87 $sem_info->{"openid.server"};
91 From there we look at `_find_semantic_info()`, which is supposed to hit the OpenID server, but doesn't somehow.... By cranking up debugging, we can see that the consumer fails to verify the HTTPS signature on the host:
94 [Sun Apr 13 11:58:30.284511 2014] [cgi:error] [pid 11141] [client 162.223.3.24:39563] AH01215: [DEBUG Net::OpenID::Consumer] url dump (https://id.koumbit.net/anarcat, SCALAR(0x3275ac0)) = 500 Can't verify SSL peers without knowing which Certificate Authorities to trust, referer: http://cats.orangeseeds.org/ikiwiki.cgi?do=signin&action=verify&openid_identifier=https%3A%2F%2Fid.koumbit.net%2Fanarcat
95 [Sun Apr 13 11:58:30.284551 2014] [cgi:error] [pid 11141] [client 162.223.3.24:39563] AH01215: , referer: http://cats.orangeseeds.org/ikiwiki.cgi?do=signin&action=verify&openid_identifier=https%3A%2F%2Fid.koumbit.net%2Fanarcat
96 [Sun Apr 13 11:58:30.284573 2014] [cgi:error] [pid 11141] [client 162.223.3.24:39563] AH01215: This problem can be fixed by either setting the PERL_LWP_SSL_CA_FILE, referer: http://cats.orangeseeds.org/ikiwiki.cgi?do=signin&action=verify&openid_identifier=https%3A%2F%2Fid.koumbit.net%2Fanarcat
97 [Sun Apr 13 11:58:30.284593 2014] [cgi:error] [pid 11141] [client 162.223.3.24:39563] AH01215: envirionment variable or by installing the Mozilla::CA module., referer: http://cats.orangeseeds.org/ikiwiki.cgi?do=signin&action=verify&openid_identifier=https%3A%2F%2Fid.koumbit.net%2Fanarcat
98 [Sun Apr 13 11:58:30.284597 2014] [cgi:error] [pid 11141] [client 162.223.3.24:39563] AH01215: , referer: http://cats.orangeseeds.org/ikiwiki.cgi?do=signin&action=verify&openid_identifier=https%3A%2F%2Fid.koumbit.net%2Fanarcat
101 To get this little wonder, I had to change the `_find_semantic_info()` as followed:
104 sub _find_semantic_info {
105 my Net::OpenID::Consumer $self = shift;
107 my $final_url_ref = shift;
109 my $doc = $self->_get_url_contents($url, $final_url_ref);
110 $self->_debug("url dump ($url, $final_url_ref) = " . $doc) if $self->{debug};
111 my $info = _document_to_semantic_info($doc);
112 $self->_debug("semantic info ($url) = " . join(", ", map { $_.' => '.$info->{$_} } keys %$info)) if $self->{debug};
118 A minimal test case would be:
121 perl -e 'use LWPx::ParanoidAgent;
122 print $LWPx::ParanoidAgent::VERSION, " $]: ";
123 print length(LWPx::ParanoidAgent->new->get
124 ("https://id.koumbit.net/anarcat")
125 ->decoded_content), "\n";'
128 And the results vary according to the version of perl:
130 * wheezy: 1.07 5.014002: 5720
131 * jessie: 1.10 5.018002: 398
133 Thanks [jwz](http://www.jwz.org/blog/2014/03/apple-broke-lwp-in-a-new-and-exciting-way-on-10-9-2/) for that.. Mozilla::CA *could* have been packaged in Debian, except it overlaps with the `ca-certificates` package, so it was [basically barred entry](https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=702124).
135 I tried the workaround of hardcoding the path to the CA root, using `PERL_LWP_SSL_CA_PATH=/etc/ssl/certs`, but then I hit *another* bug in LWP: [#738493](https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=738493).
137 Note that this bug is similar to [[bugs/ssl_certificates_not_checked_with_openid/]], but backwards: it checks the SSL certs but then fails to verify.
139 I filed this bug in the Debian BTS as [#702124](https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=702124). Downgrading to wheezy's version of LWPx::ParanoidAgent doesn't fix the problem, instead i get this error:
141 500 Can't read entity body: Resource temporarily unavailable
143 ... yet the commandline client works fine... I'm out of ideas for this sucker.
145 Update: i found a way to reproduce the problem even with LWPx::ParanoidAgent 1.07:
148 $ perl -e 'use LWPx::ParanoidAgent;
149 print $LWPx::ParanoidAgent::VERSION, " $]\n";
150 $ua = new LWPx::ParanoidAgent; for (my $i = 0; $i< 10 ; $i++) { $c = LWPx::ParanoidAgent->new->get
151 ("https://id.koumbit.net/anarcat")
152 ->decoded_content; if (length($c) < 100) { print $c; } else { print length($c),"\n";}}'
155 500 Can't read entity body: Ressource temporairement non disponible
156 500 Can't read entity body: Ressource temporairement non disponible
157 500 Can't read entity body: Ressource temporairement non disponible
158 500 Can't read entity body: Ressource temporairement non disponible
159 500 Can't read entity body: Ressource temporairement non disponible
160 500 Can't read entity body: Ressource temporairement non disponible
161 500 Can't read entity body: Ressource temporairement non disponible
162 500 Can't read entity body: Ressource temporairement non disponible
163 500 Can't read entity body: Ressource temporairement non disponible
166 Workaround - disable error checking:
169 --- /home/anarcat/src/ikiwiki/IkiWiki/Plugin/openid.pm 2014-02-03 20:21:09.502878631 -0500
170 +++ /usr/share/perl5/IkiWiki/Plugin/openid.pm 2014-04-13 16:00:06.875744596 -0400
174 eval q{use LWPx::ParanoidAgent};
177 $ua=LWPx::ParanoidAgent->new;
182 > I get the same trouble with OpenID and some locally installed versions of IkiWiki on Debian wheezy (server) as well as on 13.10 Ubuntu (laptop). To be precise I hit the *other* bug in LWP: [#738493](https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=738493).
184 > My only workaround for now was to fix `PERL_LWP_SSL_VERIFY_HOSTNAME` to 0 directly in `ikiwiki` :-( -- [[users/bbb]]
187 --- /usr/bin/ikiwiki.orig 2014-09-08 15:48:35.715868902 -0400
188 +++ /usr/bin/ikiwiki 2014-09-08 15:48:38.895947911 -0400
193 +$ENV{PERL_LWP_SSL_VERIFY_HOSTNAME} = 0;