[EP-tech] Trailing Slash Problem

Becker, Pascal-Nicolas p.becker at tu-berlin.de
Wed Sep 12 17:41:14 BST 2012


for the moment I'm testing if EPrints fits our needs. To do so I wanted eprints to run in a subdirectory. After the installation -which was done by my collegue- I run 'epadmin config_core <repository>' and defined a path. I configured the apache and was able to reach the repository under http://example.org/eprints/. But when I opened http://example.org/eprints (without trailing slash!) I got the following error message:

---------------- EPrints System Error ----------------------------
Can't copy /usr/share/eprints3/archives/ubdata/cfg/lang/en/static to /usr/share/eprints3/archives/ubdata/html/en: Is a directory
 at /usr/share/eprints3/perl_lib/EPrints/Update/Static.pm line 313
        EPrints::Update::Static::copy_plain('/usr/share/eprints3/archives/ubdata/cfg/lang/en/static', '/usr/share/eprints3/archives/ubdata/html/en', 'HASH(0xbae02f50)') called at /usr/share/eprints3/perl_lib/EPrints/Update/Static.pm line 143
        EPrints::Update::Static::update_static_file('EPrints::Repository=HASH(0xbab2e080)', 'en', '') called at /usr/share/eprints3/perl_lib/EPrints/Apache/Rewrite.pm line 558
        EPrints::Apache::Rewrite::handler('Apache2::RequestRec=SCALAR(0xb8bff3d8)') called at -e line 0
        eval {...} called at -e line 0

I'm new to EPrints, so please apologize if I'm doing something wrong. But out of my point of view this is a little bug which can be fixed easily. In .../eprints3/perl_lib/EPrints/Apache/Rewrite.pm in line 497 is a check to look if $uri ends with a trailing slash. If EPrints is located at the root-directory of your URL this slash is added by all browsers. But if EPrints is located in a subdirectory only Firefox adds this slash automatically. But we can check easily if EPrints is located in a subdirectory and the trailing slash is missing. To do so we just have to check, if $uri and $urlpath contains the same strings, assumed that $urlpath never ends with a slash. The following patch does so:

--- perl_lib/EPrints/Apache/Rewrite.pm  2012-09-12 18:23:30.000000000 +0200
+++ /home/pbecker/temp/eprints-3.3.10/perl_lib/EPrints/Apache/Rewrite.pm        2012-05-18 15:21:23.000000000 +0200
@@ -497,8 +497,6 @@
        if( $uri =~ m! /$ !x )
-       } elsif ($uri eq $urlpath) {
-               $localpath = "/index.html";
        $r->filename( $repository->get_conf( "htdocs_path" )."/".$lang.$localpath );

Could please someone who knows EPrints better than me have a look on that? Can I assume that $urlpath does not contains a trailing slash?

Thanks for your answers in advanced.
Kind Regards
  Pascal Becker

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