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RE: [EP-tech] Help with redirect loops in EPrints 3.3.16

CAUTION: This e-mail originated outside the University of Southampton.

Hi Gunnar,
It might also be worth looking in [EPRINTS_ROOT]/archives/[ARCHIVE_ID]/cfg/cfg.d/20_baseurls.pl - maybe compare it with the default https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Feprints%2Fblob%2F3.3%2Flib%2Fdefaultcfg%2Fcfg.d%2F20_baseurls.pl&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547314869121%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=TWYStnaw1LxUC3NTom%2BqpRH7LDROn%2BXbLBDlnU0wk80%3D&reserved=0
If your repository was created a while ago on e.g. v3.3.10, the logic in that file might prefer http over https.

There is also a line in that file which sets the base_url, which will overwrite the value you set in 10_core.pl.

You can check the calculated values of all the config options using this (replace EPRINTS_ROOT and ARCHIVE_ID with correct values):

perl -IEPRINTS_ROOT/perl_lib -e 'use EPrints; use Data::Dumper; $Data::Dumper::Maxdepth = 2; $s = new EPrints::Session( 1, "ARCHIVE_ID", 0 ); print Dumper( $s->{config} );'

It will dump a lot of data out (the EPrints session has a lot in it!), so maybe pipe the output into a file or through 'less'.
The 'Maxdepth' will limit the amount of info. The things you're interested in - URLs etc. should all live at the top config level, so it should show you useful info.

Cheers,
John

-----Original Message-----
From: eprints-tech-request@ecs.soton.ac.uk <eprints-tech-request@ecs.soton.ac.uk> On Behalf Of Yuri Carrer
Sent: 13 March 2025 07:51
To: eprints-tech@ecs.soton.ac.uk
Subject: Re: [EP-tech] Help with redirect loops in EPrints 3.3.16

CAUTION: External Message. Use caution opening links and attachments.

CAUTION: This e-mail originated outside the University of Southampton.

CAUTION: This e-mail originated outside the University of Southampton.

Hi!

  looking at https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.eprints.org%2Fw%2FHow_to_use_EPrints_with_HTTPS&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547314887783%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=RF4G%2BaiePdF6j7h9tk%2FzREx0l45BUTZ5cUwtOkgcgnk%3D&reserved=0:

$c->{host} = 'YOUR-REPOSITORY-DOMAIN';
$c->{port} = 80;
$c->{aliases} = [];
$c->{securehost} = $c->{host};
$c->{secureport} = 443;
$c->{http_root} = undef;

while yours:


     $c->{host} = 'ru.iiec.unam.mx';
     $c->{port} = '80';
     $c->{aliases} = [];
     $c->{http_url} = 'https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fru.iiec.unam.mx%2F&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547314900158%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=em%2FDu7GOlGISh7jfzX7lwOfBM9TxE%2BuEiEmsrnzhDc4%3D&reserved=0';
     $c->{http_cgiurl} = 'https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fru.iiec.unam.mx%2Fcgi&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547314912083%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=7xYL9FS7vlq2Huq4ygWZcQNHo6apYMLz1y2ZuFv0Ozg%3D&reserved=0';
     $c->{base_url} = "https://$c->{host}";
     $c->{securehost} = $c->{host};
     $c->{secureport} = 443;
     $c->{http_root} = undef;

Try to remove:

     $c->{http_url} = 'https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fru.iiec.unam.mx%2F&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547314923760%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=7zplsVE97UywNQi%2FTSvw4XNJH40Go6LIEbmE3KvI6Ho%3D&reserved=0';
     $c->{http_cgiurl} = 'https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fru.iiec.unam.mx%2Fcgi&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547314935322%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=kgTHDWFDJJLepHcoXy7YXWeQZHgGxOu1j7QGc2ftJsQ%3D&reserved=0';
     $c->{base_url} = "https://$c->{host}";

  If you just need redirection to https after login, regenerate the apacheconf and it should work.

That said, if you want an https-only configuration, if you search the mailing list topic "empty c->{’host‘} in Eprints 3.3.XX" you will find many suggestions for having a full https Eprints 3.3.XX.

  Also "Eprints with Nginx Proxy Manager as Load Balancer" has some interesting stuff.

  You can debug rewrite rules in Apache with:

LogLevel debug rewrite:trace3

  in /usr/share/eprints3/cfg/apache/yoursite.conf

  if nothing appears, it is the EPrints::Apache::Rewrite doing the redirects and then you need to do the redirect managed as in "empty
c->{'host'} in Eprints 3.3.XX".

Il 13/03/25 01:15, Gunnar Wolf ha scritto:
> CAUTION: This e-mail originated outside the University of Southampton.
>
> CAUTION: This e-mail originated outside the University of Southampton.
>
> Hello,
>
> I have long been running an EPrints 3.3 installation. I recently...
> broke part
> of its functionality, and am losing my little remaining hair to get it
> back working. I have decided to humbly ask for your help.
>
> The issues started a couple of months ago, when we decided to enable
> TLS-based connections, due to browsers (and indexers) no longer
> trusting HTTP-only sites. I set up Letsencrypt's Certbot, and was
> happy. Only that I had issues with some routes — sometimes, I'd have
> dynamic URLs generated to /cgi/users/home/, but most often only to
> /users/home (which made it quite painful to upload new items... but
> was not 100% unworkable)
>
> Anyway, a couple of days ago, I found and tried to follow what appears
> to be the official instructions:
>
>
> https://wiki/
> .eprints.org%2Fw%2FHow_to_use_EPrints_with_HTTPS&data=05%7C02%7Cj.salt
> er%40leeds.ac.uk%7C066ef1bd9cf240a327a408dd6203d5c4%7Cbdeaeda8c81d45ce
> 863e5232a535b7cb%7C0%7C0%7C638774490825922797%7CUnknown%7CTWFpbGZsb3d8
> eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTW
> FpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=%2FLwWGFpr1cxP2S9CoV%2BwWS6f
> hERY1TtlODeYcBDhmDc%3D&reserved=0
>
> This led me to a more painful reality, where redirect loops just won't
> let me call anything under /cgi/users/home -- that is, most of
> EPrints' actions!
>
>     $ HEAD -S https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fru.iiec.unam.mx%2Fcgi%2Fusers%2Fhome&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547314946896%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=g9nYABYMtT2UuFg4pYFhvmVuxewmRNfkcD5Gxq2SqoA%3D&reserved=0
>     HEAD https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fru.iiec.unam.mx%2Fcgi%2Fusers%2Fhome&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547314958567%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=CfyZ%2Bw7YcD%2BXigtvf2dTclFr8PLq7JmIfVidjpfmrXE%3D&reserved=0
>     302 Found
>     HEAD https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fru.iiec.unam.mx%2Fcgi%2Fusers%2Fhome&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547314970247%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=W7nnb643QsbdUyi9dw17vhc2S8EtZfsujpcoiVDbPXQ%3D&reserved=0
>     302 Found
>     HEAD https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fru.iiec.unam.mx%2Fcgi%2Fusers%2Fhome&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547314981876%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=wNXpnd%2F0Scmbb8mFevvI13YCnIeCpx7%2FABXtxgyrD4E%3D&reserved=0
>     302 Found
>     HEAD https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fru.iiec.unam.mx%2Fcgi%2Fusers%2Fhome&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547314998618%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=DulOzaAfWGhcTUBHS37U1rIXHZ898FHyzGfptHKPumY%3D&reserved=0
>     302 Found
>     HEAD https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fru.iiec.unam.mx%2Fcgi%2Fusers%2Fhome&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547315013710%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=jOwc%2F4%2BAXmroJD%2BkpYJGc72oIMJWi3a9aKCRSi1ZPKI%3D&reserved=0
>     302 Found
>     HEAD https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fru.iiec.unam.mx%2Fcgi%2Fusers%2Fhome&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547315025467%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=anGeAmL23lQXkwmD6Ec1lBSvsmR48vaStdGTsDah1%2Bg%3D&reserved=0
>     302 Found
>     HEAD https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fru.iiec.unam.mx%2Fcgi%2Fusers%2Fhome&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547315037561%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=AAS%2BNgHvXq4TRSeuohRBMVA5btpONt1JH6KfQSgdx5E%3D&reserved=0
>     302 Found
>     HEAD https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fru.iiec.unam.mx%2Fcgi%2Fusers%2Fhome&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547315049515%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=gIVPf0PxTDKUZoJgkGX6v9MwuE5eY1%2BJ96A7MriQlck%3D&reserved=0
>     302 Found
>     Connection: close
>     Date: Wed, 12 Mar 2025 23:54:11 GMT
>     Location: https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fru.iiec.unam.mx%2Fcgi%2Fusers%2Fhome&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547315061873%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=JoBhBL9nNhPuZLZSz0GfyQpEIz29HGnMWpFiREhnj5A%3D&reserved=0
>     (... headers describing my certificate ...)
>     Client-Warning: Redirect loop detected (max_redirect = 7)
>
> (FWIW, no issues in publicly displaying my repository's URL 😉)
>
> All other requests work fine, including those aiming at others in the
> /cgi
> namespace:
>
>     $ HEAD -S https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fru.iiec.unam.mx%2Fcgi%2Fstats%2Freport&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547315073638%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=%2FFX4mgkTXIDC%2ByXiP1W%2FtYs1AJaRQbuUxxhX5%2FB9Jqs%3D&reserved=0
>     HEAD https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fru.iiec.unam.mx%2Fcgi%2Fstats%2Freport&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547315085368%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=4hMbC6uAO1KPLlyeMb3qXiRPBe6NvX0QrvGrmaVGXJg%3D&reserved=0
>     302 Found
>     HEAD https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fru.iiec.unam.mx%2Fcgi%2Fstats%2Freport&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547315096772%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=gC%2Fbbk9JtITWawsVCT%2BBf3lcRnZG0lZmRITovijo3%2FY%3D&reserved=0
>     200 OK
>
> I don't want to spam the list with all of my existing bits of
> configuration. Please tell me if there is anything worth sharing. The
> contents of my cfg/cfg.d/10_core.pl file are:
>
>     # This file was created by bin/epadmin
>     # You can regenerate this file by doing ./bin/epadmin config_core
> iiec
>     $c->{host} = 'ru.iiec.unam.mx';
>     $c->{port} = '80';
>     $c->{aliases} = [
>     ];
>     $c->{http_url} = 'https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fru.iiec.unam.mx%2F&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547315108359%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=5Buo4Jd97HCyE5LDwAqOGWBrTUmuupyuQD%2BrygRScx4%3D&reserved=0';
>     $c->{http_cgiurl} = 'https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fru.iiec.unam.mx%2Fcgi&data=05%7C02%7Ceprints-tech%40ecs.soton.ac.uk%7C37c56d1ee7d448aabf9b08dd6210fe1c%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C638774547315119906%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=%2By2sG42VAd67KXSyjvAb3TdWV7kjheCqGnG97b1d9F8%3D&reserved=0';
>     $c->{base_url} = "https://$c->{host}";
>     $c->{securehost} = $c->{host};
>     $c->{secureport} = 443;
>     $c->{http_root} = undef;
>
> Thank you for any advice you can give me!
>
> *** Options:
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--
Yuri Carrer

  CAB - Centro di Ateneo per le Biblioteche, Università di Padova
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