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[EP-tech] mixed-content warnings
Hi Tomasz,
I have just been checking RFC 6265 which is about the HTTP State
Management System (i.e. Cookies).? Point 6 of section 5.3 (see link
below) makes clear that if the domain attribute is not set then it is
assumed to be the same as the current request:
https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Frfc%2Frfc6265%23section-5.3&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=2tltodTuSB96HLn73SwlOH9tskhV5ItKz8jBzV72qZo%3D&reserved=0
Therefore, I cannot see any scenario where the domain not being set
would create a security or functional problem, as there should be no
need to share EPrints cookie data between domains, (e.g. multiple web
sites at an institution).? The only two cookies that EPrints deploys by
default are for maintaing a logged in user's session and another for the
language they have chosen if the repository is multi-language.? Neither
of these should need to be shared with other sites.? Even if they did,
the effective setting for domain in the cookie with be the same whether
$c->{host} is defined or not.? So the repository system administrator
would have had to manually change the $c->{cookie_domain} setting to
something other than the hostname of the repository, at which point the
value for $c->{host} becomes inconsequential as it will no longer be
playing a role in setting $c->{cookie_domain}.
This does not mean that the commit I made last night is inappropriate,
just that functionally it will make no difference. However, at some
point in the future it may concern someone (like it did us, yesterday)
that the value for $c->{cookie_domain} is not being set because
$c->{host} is undefined (if a repository has been configured for HTTPS
only).? So fixing this now will avoid concern further down the line.
Regards
David Newmam
On 07/01/2022 00:47, David R Newman wrote:
>
> Hi Tomasz,
>
>
> Thanks for doing that review.? Point 2 (cookie_domain) is important to
> fix, although it does not appear to break anything from a user
> perspective, setting the domain on cookies is important.? I have fixed
> this with the latest commit:
>
>
> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Feprints3.4%2Fcommit%2Fbde3347551e0424fbbc166e52c9179b6e17b6704%23diff-5d51fb282bd5d973fb2de0a82e36cdfb465b9e69b2782c9c923f8a24aeaaad97&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=fuEVe010AhbGCW0ylnba3GUVakuA20CARRXFljvy7PQ%3D&reserved=0
>
>
> I have added a GitHub? issue for the DataCiteDOI plugin:
>
>
> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprintsug%2FDataCiteDoi%2Fissues%2F52&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=TW8YVr4Y3JEMNKnfqVA0kbC%2BBhrEEmaawLkE1LTVWmI%3D&reserved=0
>
>
> The IRStats2 issue is less of a problem, as the code is commented out
> by default, so if a someone uncomments this, they should spot this is
> not working and be able to deal with that issue immediately.? Rather
> than not noticing this has broken after changing their configuration
> to enable HTTPS only.? Like would be the case the the other two instances.
>
>
> Thanks and regards
>
>
> David Newman
>
>
> On 06/01/2022 22:49, Tomasz Neugebauer wrote:
>> *CAUTION:* This e-mail originated outside the University of Southampton.
>> I did some grep on our configuration files, and found the following
>> instances:
>>
>> 1. DataCite DOI Minting
>>
>>
>> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbazaar.eprints.org%2F304%2F1%2Fepm%2FDataCiteDoi%2Fcfg%2Fcfg.d%2Fz_datacitedoi.pl&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=nQ9ZSoUSQ8AzEMaPcU%2FnK%2BJgyvxr6IKpvJBx3WclKqs%3D&reserved=0
>> <https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbazaar.eprints.org%2F304%2F1%2Fepm%2FDataCiteDoi%2Fcfg%2Fcfg.d%2Fz_datacitedoi.pl&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=nQ9ZSoUSQ8AzEMaPcU%2FnK%2BJgyvxr6IKpvJBx3WclKqs%3D&reserved=0>
>> $c->{datacitedoi}{repoid} = $c->{host};
>>
>> DataCite DOI minting, from the Bazaar, but in configuration file, so
>> simply overwrote with "$c->{securehost}" in our local
>> cfg/cfg.d/z_datacitedoi.pl
>>
>> 2. Core lib/cfg.d/misc.pl
>>
>> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Feprints3.4%2Fblob%2Fmaster%2Flib%2Fcfg.d%2Fmisc.pl&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=z0U2LoAx%2FhIcZyGt3pCC3CUO0af%2BmYAwZwc4646z9D4%3D&reserved=0
>> <https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Feprints3.4%2Fblob%2Fmaster%2Flib%2Fcfg.d%2Fmisc.pl&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=z0U2LoAx%2FhIcZyGt3pCC3CUO0af%2BmYAwZwc4646z9D4%3D&reserved=0>
>> $c->{cookie_domain} = $c->{host};
>>
>> Not sure what to do with this one?? Should I change that or do
>> something about it, given that {host} is now undefined?
>>
>> 3. IRStats2
>>
>> Processor Referrer
>> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Firstats2%2Fblob%2Fmaster%2Flib%2Fplugins%2FEPrints%2FPlugin%2FStats%2FProcessor%2FAccess%2FReferrer.pm%23L24&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=yQ9gPc18sUmnEZHx8OqW8svl067h%2BbIJfcEDknuVErA%3D&reserved=0
>> <https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Firstats2%2Fblob%2Fmaster%2Flib%2Fplugins%2FEPrints%2FPlugin%2FStats%2FProcessor%2FAccess%2FReferrer.pm%23L24&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=yQ9gPc18sUmnEZHx8OqW8svl067h%2BbIJfcEDknuVErA%3D&reserved=0>
>> $self->{host} = $self->{session}->config( "host" );
>>
>> Not sure if this would no longer work now that "host" is undef?
>>
>> Also, not an issue on our repo, but config file on irstats2 has this
>> (optional code, commented out by default and on our repo):
>> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Firstats2%2Fblob%2Fmaster%2Fcfg%2Fcfg.d%2Fz_irstats2.pl&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=hPkdXpWKVo2gEsaz7hlc1LsbkyT6%2BEHC6il2fv%2BiXps%3D&reserved=0
>> <https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Firstats2%2Fblob%2Fmaster%2Fcfg%2Fcfg.d%2Fz_irstats2.pl&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=hPkdXpWKVo2gEsaz7hlc1LsbkyT6%2BEHC6il2fv%2BiXps%3D&reserved=0>
>> my $hostname = $session->config( 'host' ) or return 0;
>>
>> Tomasz
>>
>>
>> ________________________________________________
>>
>> Tomasz Neugebauer
>> Senior Librarian | Biblioth?caire titulaire
>> Digital Projects & Systems Development Librarian / Biblioth?caire des
>> Projets Num?riques & D?veloppement de Syst?mes
>> Concordia University / Universit? Concordia
>>
>> Tel. / T?l. 514-848-2424 ext. / poste 7738
>> Email / courriel: tomasz.neugebauer at concordia.ca
>> <mailto:tomasz.neugebauer at concordia.ca>
>>
>> Mailing address / adresse postale:?1455 De Maisonneuve Blvd.
>> W.,?LB-540-03, Montreal, Quebec H3G 1M8
>> Street address / adresse municipale: 1400?De Maisonneuve Blvd.
>> W.,?LB-540-03, Montreal, Quebec H3G 1M8
>>
>> library.concordia.ca
>>
>> ------------------------------------------------------------------------
>> *From:* Tomasz Neugebauer <Tomasz.Neugebauer at concordia.ca>
>> *Sent:* Thursday, January 6, 2022 3:34 PM
>> *To:* David R Newman <drn at ecs.soton.ac.uk>;
>> eprints-tech at ecs.soton.ac.uk <eprints-tech at ecs.soton.ac.uk>
>> *Subject:* Re: [EP-tech] mixed-content warnings
>> Hi David,
>>
>> Thank you for the detailed explanation and all of your work on this.
>> I did not know if unsetting {host} variable is the recommended way
>> going forward, hence I hesitated, but given that our repository is
>> HTTPS-only with HSTS , running on 3.4.3, unsetting the {host} to
>> undefined seems like the best way forward.? I will do that that.? As
>> I wrote, I did notice that this solves the issue on the testing
>> server, it's just that I didn't know if that is a setting that is
>> "supported".? These wiki help pages have the {host} set in the examples:
>> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.eprints.org%2Fw%2FHow_to_use_EPrints_with_HTTPS&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=hJ71S6hSUMy4f6LRYQCqz0%2F6GThZIkS5c5pZj643mfU%3D&reserved=0
>> <https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.eprints.org%2Fw%2FHow_to_use_EPrints_with_HTTPS&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=hJ71S6hSUMy4f6LRYQCqz0%2F6GThZIkS5c5pZj643mfU%3D&reserved=0>
>> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.eprints.org%2Fw%2FHTTPS-only_and_HSTS&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=o3PfOUBYOFkj5RpXdqIWsLXe2wJolpY46Bj1HfpzK%2B4%3D&reserved=0
>> <https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.eprints.org%2Fw%2FHTTPS-only_and_HSTS&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=o3PfOUBYOFkj5RpXdqIWsLXe2wJolpY46Bj1HfpzK%2B4%3D&reserved=0>
>> and I was also unaware of this page:
>> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.eprints.org%2Fw%2FSimplified_HTTPS_Configuration&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=G%2B9vksgEk%2FGyCzsCq7HqHueWXThPn4PIFTUqaMLpqxc%3D&reserved=0
>> <https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.eprints.org%2Fw%2FSimplified_HTTPS_Configuration&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=G%2B9vksgEk%2FGyCzsCq7HqHueWXThPn4PIFTUqaMLpqxc%3D&reserved=0>
>> Let's add a link to the "Simplified HTTPS Configuration" page from
>> some of these others?
>>
>> I did track down the same line that you referenced
>> (perl_lib/EPrints/URL.pm) while troubleshooting, so it is reassuring
>> that I was on the right track: if ( EPrints::Utils::is_set(
>> $session->config( "securehost" ) ) && ( $opts{scheme} eq "https" ||
>> !EPrints::Utils::is_set( $session->config( "host" ) )"
>>
>> I will search through our configuration files to make sure that
>> "host" variable isn't used for something without a fallback, but I
>> think that I will not find that.? I was more worried about breaking
>> something in the core by unsetting that {host} variable, so your
>> message was very helpful.
>>
>> Best wishes,
>>
>> Tomasz
>>
>>
>>
>>
>>
>>
>>
>> ________________________________________________
>>
>> Tomasz Neugebauer
>> Senior Librarian | Biblioth?caire titulaire
>> Digital Projects & Systems Development Librarian / Biblioth?caire des
>> Projets Num?riques & D?veloppement de Syst?mes
>> Concordia University / Universit? Concordia
>>
>> Tel. / T?l. 514-848-2424 ext. / poste 7738
>> Email / courriel: tomasz.neugebauer at concordia.ca
>> <mailto:tomasz.neugebauer at concordia.ca>
>>
>> Mailing address / adresse postale:?1455 De Maisonneuve Blvd.
>> W.,?LB-540-03, Montreal, Quebec H3G 1M8
>> Street address / adresse municipale: 1400?De Maisonneuve Blvd.
>> W.,?LB-540-03, Montreal, Quebec H3G 1M8
>>
>> library.concordia.ca
>>
>>
>> ------------------------------------------------------------------------
>> *From:* David R Newman <drn at ecs.soton.ac.uk>
>> *Sent:* Thursday, December 23, 2021 8:00 PM
>> *To:* eprints-tech at ecs.soton.ac.uk <eprints-tech at ecs.soton.ac.uk>;
>> Tomasz Neugebauer <Tomasz.Neugebauer at concordia.ca>
>> *Subject:* Re: [EP-tech] mixed-content warnings
>>
>> Attention This email originates from outside the concordia.ca domain.
>> // Ce courriel provient de l'exterieur du domaine de concordia.ca
>>
>>
>>
>> Hi Tomasz,
>>
>>
>> Mixed content warnings is something, I have been trying to improve in
>> recent version of EPrints, so new installs should not suffer these
>> problems.?? However, upgrades will still be problematic.? This is
>> because old templates, citations, workflows and even CSS and
>> Javascript files may have http URLs in them.? This means you really
>> need to go through all these files and seek out http URLs.
>>
>>
>> The main problem I have found is the use http_url or http_cgiurl in
>> templates citations and even workflows.? These should ideally use
>> rel_path and rel_cgipath instead but as this does not give your the
>> full URL it might be better to use base_url and perl_url instead.?
>> However, to make sure that these are https not http, you will need to
>> make sure you have either no or an up to date version of
>> 20_baseurls.pl in your archive's cfg/cfg.d/ (assuming you are running
>> 3.4.1+, which it sounds like you are). This is because of a change
>> made for 3.4.1 to ensure that base_url and perl_url get configured as
>> https if $c->{securehost} is defined.
>>
>>
>> It is worth grepping across all of your archive's cfg directory for
>> the string "http:" to route out any hardcoded http URLs.
>>
>>
>> One of the things I did in recent versions of EPrints is provide a
>> way of reconfiguring 10_core.pl to better/more intuitive enable HTTPS
>> everywhere [1].? This ensures all http URL requests are redirected to
>> https without needing to have picked up the HSTS header, which
>> require visiting an https URL at least once (and therefore does not
>> work for stateless bots).? If you deploy HTTPS everywhere, as well as
>> running generate_apacheconf and reloading the webserver, you will
>> need to make sure all browse views and abstract pages are regenerated.
>>
>>
>> As you comment in your email below, you are worried about unsetting
>> $c->{host} as it may break things.? I am aware of one issue with this
>> in 3.4.3 core code [2]. However, this is a fairly straightforward fix
>> and is only a problem if your have multiple languages enabled for
>> your repository.? If you use the Repository Links Bazaar plugin [3],
>> that will also require a similar fix.? I think there may be one or
>> two other Bazaar plugins that use $c->{host} but I cannot remember
>> what they are off the top of my head.
>>
>>
>> If you look at perl_lib/EPrints/URL.pm line 129 [4] you should see
>> the line:
>>
>>
>> if ( EPrints::Utils::is_set( $session->config( "securehost" ) ) && (
>> $opts{scheme} eq "https" || !EPrints::Utils::is_set(
>> $session->config( "host" ) )
>>
>>
>> If you have HTTPS everywhere configuration enabled this should ensure
>> HTTPS URLs are always used for things like the thumbnail URLs you
>> describe having a problem with. However, if you are not using HTTPS
>> everywhere configuration you will still get http URLs for thumbnails
>> and similar.? I would therefore recommending enabling this and I will
>> see if I can track down the Bazaar plugins that may be affected by
>> $c->{host} being undefined.
>>
>>
>> The problem with EPrints is it has gone through various iterations of
>> HTTP/HTTPS use:
>>
>>
>> 1. No HTTPS
>>
>> 2. HTTP for public pages and HTTPS for back-end admin pages.
>>
>> 3. HTTPS for all pages
>>
>>
>> This means as the code has evolved over time how to configure the
>> appropriate URLs in various situation has got progressively more
>> complicated, as way of supporting these different approaches for
>> HTTPS have been incorporated into ePrints over the year.? I go in to
>> a bit of detail about this in the EPrints 3.4.3 release page [5].? I
>> still don't think this is perfect, as there is the potential
>> requirements in Bazaar plugins or bespoke archive code/configuration
>> that require $c->{host} to be defined.? However, after a lot of
>> consideration, the changes I made for 3.4.3 tried to make the best
>> compromise between fixing the mixed content warnings, simplifying
>> URLs config variables and their use and not seriously breaking
>> existing repositories when they are upgraded.
>>
>>
>> Regards
>>
>>
>> David Newman
>>
>>
>> [1] https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.eprints.org%2Fw%2FSimplified_HTTPS_Configuration&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=G%2B9vksgEk%2FGyCzsCq7HqHueWXThPn4PIFTUqaMLpqxc%3D&reserved=0
>> <https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.eprints.org%2Fw%2FSimplified_HTTPS_Configuration&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=G%2B9vksgEk%2FGyCzsCq7HqHueWXThPn4PIFTUqaMLpqxc%3D&reserved=0>
>>
>> [2] https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Feprints3.4%2Fissues%2F118&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=N7wCR%2BnsohQpoRRFE5X0WTakYuDqrJfDKjN29msqueY%3D&reserved=0
>> <https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Feprints3.4%2Fissues%2F118&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=N7wCR%2BnsohQpoRRFE5X0WTakYuDqrJfDKjN29msqueY%3D&reserved=0>
>>
>> [3] https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fbazaar.eprints.org%2F379%2F&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=3iYg4SPfOMSG1sigXK7mKEG9hRZn7nkZYPDbGoXsjXQ%3D&reserved=0
>> <https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fbazaar.eprints.org%2F379%2F&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=3iYg4SPfOMSG1sigXK7mKEG9hRZn7nkZYPDbGoXsjXQ%3D&reserved=0>
>>
>> [4]
>> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Feprints3.4%2Fblob%2Fmaster%2Fperl_lib%2FEPrints%2FURL.pm%23L129&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=RvrIGc1COJOy%2B0j%2F2427NC%2Bx%2FU%2Fe90xz5CjfJF92Vbo%3D&reserved=0
>> <https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Feprints3.4%2Fblob%2Fmaster%2Fperl_lib%2FEPrints%2FURL.pm%23L129&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=RvrIGc1COJOy%2B0j%2F2427NC%2Bx%2FU%2Fe90xz5CjfJF92Vbo%3D&reserved=0>
>>
>> [5]
>> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.eprints.org%2Fw%2FEPrints_3.4.3%23Configuration_URLs_and_Paths&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=WSLKbDFMx0bEMhbtFd2Gl8jyWWFk2X6z%2B7ipDNHGxas%3D&reserved=0
>> <https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.eprints.org%2Fw%2FEPrints_3.4.3%23Configuration_URLs_and_Paths&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=WSLKbDFMx0bEMhbtFd2Gl8jyWWFk2X6z%2B7ipDNHGxas%3D&reserved=0>
>>
>>
>> On 23/12/2021 23:12, Tomasz Neugebauer via Eprints-tech wrote:
>>> *CAUTION:* This e-mail originated outside the University of
>>> Southampton.
>>> I thought? that I resolved all of the "mixed content" warnings on
>>> our repository a while back, but after a recent upgrade from 3.3.12
>>> to 3.4.3, I noticed that I have some mixed content warnings again,
>>> specifically on the thumbnails on the abstract pages.? I might have
>>> missed some of these warning before, though, so this might not be a
>>> new issue after the upgrade.
>>>
>>> Because I have HSTS headers, the browser redirects those those
>>> requests to HTTPS, but I would like to fix it.? Both the SRC and the
>>> HREF of the thumbnails for PDFs are referenced as HTTP instead of
>>> HTTPS.? The only thing that fixed it during my testing was if I was
>>> to remove (comment out) " the $c->{host}line/ariable in 10_core.pl
>>> That resolves the issue, but I'm worried to apply this change
>>> because I don't know if something else might rely on that variable.
>>>
>>> I spent a good part of a day trying to follow the code, and I know
>>> that the {scheme} variable in URL.pm doesn't get properly set to
>>> https in the case of the thumbnails, but the code is so confusing
>>> when it comes to the thumbnail URLs that I can't figure out why.? I
>>> do have a suspicion that there is a bug in the core code somewhere,
>>> but perhaps it is something in our own configuration.
>>> I know this issue is not new to this list, in fact, I wrote the
>>> first drafts of the HSTS page on the Wiki
>>> (https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.eprints.org%2Fw%2FHTTPS-only_and_HSTS&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=o3PfOUBYOFkj5RpXdqIWsLXe2wJolpY46Bj1HfpzK%2B4%3D&reserved=0
>>> <https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.eprints.org%2Fw%2FHTTPS-only_and_HSTS&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=o3PfOUBYOFkj5RpXdqIWsLXe2wJolpY46Bj1HfpzK%2B4%3D&reserved=0>),
>>> but looking through the updated page there and any recent exchanges
>>> that relate to this didn't help me figure it out.
>>> Let me know if you have any ideas?
>>>
>>> Best wishes,
>>> Tomasz
>>>
>>>
>>>
>>>
>>> *** Options:http://mailman.ecs.soton.ac.uk/mailman/listinfo/eprints-tech <https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmailman.ecs.soton.ac.uk%2Fmailman%2Flistinfo%2Feprints-tech&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=O%2F9HqPT2j3Ewb30XRGSfuYQbpTj1peMCONm8q%2FDa2U8%3D&reserved=0>
>>> *** Archive:https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.eprints.org%2Ftech.php%2F&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=py4VqaOXqd8MH7o1a%2FdV58o9cmY62wd%2B4B4DcqcX4Qs%3D&reserved=0 <https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.eprints.org%2Ftech.php%2F&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=py4VqaOXqd8MH7o1a%2FdV58o9cmY62wd%2B4B4DcqcX4Qs%3D&reserved=0>
>>> *** EPrints community wiki:https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwiki.eprints.org%2F&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=7wDeYbUrywIXAcvcsKNA77U9BArKaXvugCRsjRo%2F8EU%3D&reserved=0 <https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwiki.eprints.org%2F&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=7wDeYbUrywIXAcvcsKNA77U9BArKaXvugCRsjRo%2F8EU%3D&reserved=0>
>>
>> <https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.avg.com%2Femail-signature%3Futm_medium%3Demail%26utm_source%3Dlink%26utm_campaign%3Dsig-email%26utm_content%3Demailclient&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=%2FDWycXmX0TH9v2Vi7CIxZ1I6YpAKI0bwV7ISxQnMnq8%3D&reserved=0>
>> Virus-free. https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.avg.com%2F&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=FE1Ry%2BFyIF12yisABB4NIjWdLJ%2BG7lq6hRKN3ysR9dI%3D&reserved=0
>> <https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.avg.com%2Femail-signature%3Futm_medium%3Demail%26utm_source%3Dlink%26utm_campaign%3Dsig-email%26utm_content%3Demailclient&data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Cdce7acca6d47498ed0e008d9d1d7ec1e%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637771547567104134%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=%2FDWycXmX0TH9v2Vi7CIxZ1I6YpAKI0bwV7ISxQnMnq8%3D&reserved=0>
>>
>>
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