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[EP-tech] Antwort: Re: Antwort: Re: Antwort: Re: Crawler ends up with 404, dont know how to handle MIME subtype wildcard



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

Dear David

as a reminder: grabbing only the "Head" also still doesn't work! We saw this many times in our logfiles.

curl -v -I https://_some_eprint_server_/id/eprint/12345/<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.zora.uzh.ch%2Fid%2Feprint%2F53644%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798453454%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=PnLvif62wBxNk2kDk%2Bgs%2FEQW%2FAq8nfF6qsK5Rk166ag%3D&amp;reserved=0>

Thanks
 Jens

--
Jens Witzel
Zentrale Informatik
Universit?t Z?rich
Stampfenbachstrasse 73
CH-8006 Z?rich

mail:  jens.witzel at uzh.ch
phone: +41 44 63 56777
https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.zi.uzh.ch%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798453454%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=JYoLjmPtSm5KSRGvI7pMrd2nG1k%2FmaiZaC8at70COzs%3D&amp;reserved=0

[Inactive hide details for "David R Newman" ---26.07.2021 17:43:21---Hi Jens, Great!? If it had not fixed it, I would have been]"David R Newman" ---26.07.2021 17:43:21---Hi Jens, Great!  If it had not fixed it, I would have been at a bit of a loss.

Von: "David R Newman" <drn at ecs.soton.ac.uk>
An: jens.witzel at uzh.ch
Kopie: eprints-tech at ecs.soton.ac.uk
Datum: 26.07.2021 17:43
Betreff: Re: Antwort: Re: Antwort: Re: [EP-tech] Crawler ends up with 404, dont know how to handle MIME subtype wildcard

________________________________



Hi Jens,

Great!  If it had not fixed it, I would have been at a bit of a loss.

Regards

David Newman

On 26/07/2021 16:41, jens.witzel at uzh.ch<mailto:jens.witzel at uzh.ch> wrote:

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

Sorry David,

it was my fault: tried to catch up an non existant link, caused by mixture between ISSUE and testing host #-)
Now I get my "HTTP/1.1 302 Found" which should be fine.

Thanks again
Jens

--
Jens Witzel
Zentrale Informatik
Universit?t Z?rich
Stampfenbachstrasse 73
CH-8006 Z?rich

mail:  jens.witzel at uzh.ch<mailto:jens.witzel at uzh.ch>
phone: +41 44 63 56777
https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.zi.uzh.ch%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798453454%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=JYoLjmPtSm5KSRGvI7pMrd2nG1k%2FmaiZaC8at70COzs%3D&amp;reserved=0<https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.zi.uzh.ch%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798453454%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=JYoLjmPtSm5KSRGvI7pMrd2nG1k%2FmaiZaC8at70COzs%3D&amp;reserved=0>

[Inactive hide details for Jens Witzel---26.07.2021              17:33:26---Hi David thanks for your fast fix. Just tested it              and unfortunate]Jens Witzel---26.07.2021 17:33:26---Hi David thanks for your fast fix. Just tested it and unfortunately still get this ugly 404 :-/ Rega

Von: Jens Witzel/at/UZH
An: "David R Newman" <drn at ecs.soton.ac.uk><mailto:drn at ecs.soton.ac.uk>
Kopie: eprints-tech at ecs.soton.ac.uk<mailto:eprints-tech at ecs.soton.ac.uk>, jens.witzel at uzh.ch<mailto:jens.witzel at uzh.ch>
Datum: 26.07.2021 17:33
Betreff: Antwort: Re: Antwort: Re: [EP-tech] Crawler ends up with 404, dont know how to handle MIME subtype wildcard

________________________________


Hi David

thanks for your fast fix. Just tested it and unfortunately still get this ugly 404 :-/

Regards
Jens

--
Jens Witzel
Zentrale Informatik
Universit?t Z?rich
Stampfenbachstrasse 73
CH-8006 Z?rich

mail:  jens.witzel at uzh.ch<mailto:jens.witzel at uzh.ch>
phone: +41 44 63 56777
https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.zi.uzh.ch%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798458431%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=%2BaEggG2aPiOY42Zbz9AC43%2BrCjM%2FWcOQryf14YNRNiE%3D&amp;reserved=0<https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.zi.uzh.ch%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798458431%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=%2BaEggG2aPiOY42Zbz9AC43%2BrCjM%2FWcOQryf14YNRNiE%3D&amp;reserved=0>


[Inactive hide details for "David R Newman"            ---26.07.2021 16:03:36---Hi Jens, To fix your specific problem            you need to modify]"David R Newman" ---26.07.2021 16:03:36---Hi Jens, To fix your specific problem you need to modify

Von: "David R Newman" <drn at ecs.soton.ac.uk><mailto:drn at ecs.soton.ac.uk>
An: jens.witzel at uzh.ch<mailto:jens.witzel at uzh.ch>
Kopie: eprints-tech at ecs.soton.ac.uk<mailto:eprints-tech at ecs.soton.ac.uk>
Datum: 26.07.2021 16:03
Betreff: Re: Antwort: Re: [EP-tech] Crawler ends up with 404, dont know how to handle MIME subtype wildcard
________________________________



Hi Jens,

To fix your specific problem you need to modify perl_lib/EPrints/Apache/Rewrite.pm on or around line 422:

-                       &&  (index(lc($accept), "text/html") != -1 || index(lc($accept),"*/*") != -1 || $accept eq ""  )   ## header must be text/html, or */*, or undef
+                       &&  (index(lc($accept), "text/html") != -1 || index(lc($accept), "text/*") != -1 || index(lc($accept),"*/*") != -1 || $accept eq ""  )   ## header must be text/html, text/*, */* or undef

I am reviewing the implication of this change and whether any further changes are needed, as I see reference to the accept mime type in several other places and want to see whether setting accept mime type to text/* on other requests would still break things.

Regards

David Newman

On 26/07/2021 09:55, jens.witzel at uzh.ch<mailto:jens.witzel at uzh.ch> wrote:

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

Dear David

thank you for your support!

Kind regards
Jens

--
Jens Witzel
Zentrale Informatik
Universit?t Z?rich
Stampfenbachstrasse 73
CH-8006 Z?rich

mail:  jens.witzel at uzh.ch<mailto:jens.witzel at uzh.ch>
phone: +41 44 63 56777
https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.zi.uzh.ch%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798458431%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=%2BaEggG2aPiOY42Zbz9AC43%2BrCjM%2FWcOQryf14YNRNiE%3D&amp;reserved=0<https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.zi.uzh.ch%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798458431%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=%2BaEggG2aPiOY42Zbz9AC43%2BrCjM%2FWcOQryf14YNRNiE%3D&amp;reserved=0>

[Inactive hide details for "David R Newman"                ---26.07.2021 10:50:37---Hi Jens, I can replicate the same                problem on 3.4 GitHub HEA]"David R Newman" ---26.07.2021 10:50:37---Hi Jens, I can replicate the same problem on 3.4 GitHub HEAD [1].  I have created

Von: "David R Newman" <drn at ecs.soton.ac.uk><mailto:drn at ecs.soton.ac.uk>
An: eprints-tech at ecs.soton.ac.uk<mailto:eprints-tech at ecs.soton.ac.uk>, jens.witzel at uzh.ch<mailto:jens.witzel at uzh.ch>
Datum: 26.07.2021 10:50
Betreff: Re: [EP-tech] Crawler ends up with 404, dont know how to handle MIME subtype wildcard

________________________________



Hi Jens,

I can replicate the same problem on 3.4 GitHub HEAD [1].  I have created a GitHub issue for this [2] and will investigate.

Regards

David Newman

[1] https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Feprints3.4&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798458431%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=sbv3Hpm6j6A4mz0GMuHNbMhTqEYiZkLW3BRAj%2FC4DxU%3D&amp;reserved=0<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Feprints3.4&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798463411%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=wzUTIiVHb%2BFKZmrGaNLbc3q%2B2jm%2F%2FjWJNreWVscLluc%3D&amp;reserved=0>

[2] https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Feprints3.4%2Fissues%2F159&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798463411%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=uCn5EMZvCkrkKmJ0APn2Mrxb8anXmWVTN%2Fvjbl779TU%3D&amp;reserved=0<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feprints%2Feprints3.4%2Fissues%2F159&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798463411%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=uCn5EMZvCkrkKmJ0APn2Mrxb8anXmWVTN%2Fvjbl779TU%3D&amp;reserved=0>

On 26/07/2021 09:31, jens.witzel--- via Eprints-tech wrote:

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

Dear all

unfortunately one of our partner crawlers reports a 404 error during the download, The problem occurs when wildcards are used as mime subtype.

Here an example on our repo ZORA - let us try to get publication no. 143147 via CURL:

HTTP 200 status is returned, when
- no Accept header is specified: curl -v https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.zora.uzh.ch%2Fid%2Feprint%2F143147%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798463411%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=aQhErrDUWwukhpfKHro%2FoKNW7LUixQm9COxPacChRJk%3D&amp;reserved=0<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.zora.uzh.ch%2Fid%2Feprint%2F143147%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798463411%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=aQhErrDUWwukhpfKHro%2FoKNW7LUixQm9COxPacChRJk%3D&amp;reserved=0>
- an exact MIME type is specified: curl -v -H 'Accept: text/html' https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.zora.uzh.ch%2Fid%2Feprint%2F143147%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798463411%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=aQhErrDUWwukhpfKHro%2FoKNW7LUixQm9COxPacChRJk%3D&amp;reserved=0<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.zora.uzh.ch%2Fid%2Feprint%2F143147%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798468402%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=Mb%2B7erwgZTEZB5fFIuwvRkcouB6OWdd6lAr1QVPxU1U%3D&amp;reserved=0>
- any MIME type is specified: curl -v -H 'Accept: */*' https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.zora.uzh.ch%2Fid%2Feprint%2F143147%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798468402%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=Mb%2B7erwgZTEZB5fFIuwvRkcouB6OWdd6lAr1QVPxU1U%3D&amp;reserved=0<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.zora.uzh.ch%2Fid%2Feprint%2F143147%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798468402%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=Mb%2B7erwgZTEZB5fFIuwvRkcouB6OWdd6lAr1QVPxU1U%3D&amp;reserved=0>

HTTP 404 status is returned if the MIME subtype is open, e.g. 'text/*'.

==> curl -v -H 'Accept: text/*,application/*' https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.zora.u%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798468402%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=N0LlyQT3ZkusnTDkfdqr9sIy0QbyW5MMybjaFSSDQ74%3D&amp;reserved=0<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.zora.u%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce19daf54c0124b44128808d950ce5063%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637629670798468402%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&amp;sdata=N0LlyQT3ZkusnTDkfdqr9sIy0QbyW5MMybjaFSSDQ74%3D&amp;reserved=0>zh.ch/id/eprint/143147/

[...]
< HTTP/1.1 404 Not Found
< Date: Mon, 26 Jul 2021 08:23:04 GMT
< Server: Apache/2.4.6 (Red Hat Enterprise Linux) OpenSSL/1.0.2k-fips mod_perl/2.0.11 Perl/v5.16.3
< Cache-Control: no-store, no-cache, must-revalidate
< Strict-Transport-Security: max-age=15780000
< Transfer-Encoding: chunked
< Content-Type: text/html; charset=utf-8

The Header "Accept: text/*,application/*" should be valid. So, we think is goin wrong around CRUD.pm [line 948] - elsif( $subtype eq '*' ) {}

Is this a bug or is there a workaround? Any help is appreciated.

Have a nice day
Jens


--
Jens Witzel
Zentrale Informatik
Universit?t Z?rich
Stampfenbachstrasse 73
CH-8006 Z?rich

mail:  jens.witzel at uzh.ch<mailto:jens.witzel at uzh.ch>
phone: +41 44 63 56777
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