Topic: Apache 2.4 SAP Fiori Custom CSS not rewritten

[Phippsy2900]

I've been asked to put an Apache Reverse Proxy in place as per guidance from SAP - http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/60e0537a-a1a4-3210-758e-9449c61e23a3?QuickLink=index&overridelayout=true&59983513260662 - but have come across an issue where the CSS file is not rewritten by the reverse proxy. The below is the Virtual Hosts entry from the test httpd.conf that i'm running to get it working. I'll be moving this to vhosts entries when it eventually works (optimism slowly vanishing! ).

Listen 443
<VirtualHost *:443>
SSLEngine On
SSLProxyEngine On
ProxyRequests Off
ProxyPreserveHost On
SSLProxyCheckPeerCN off
SSLProxyCheckPeerName off
AllowEncodedSlashes On
SSLCertificateFile /Apache24/conf/FILE.crt
SSLCertificateKeyFile /Apache24/conf/KEYFILE.key
SetEnvIf User-Agent ".*MSIE.*" nokeepalive ssl-unclean-shutdown
ServerName Gateway.External.co.uk
ProxyPass / http://SAPGateway.Internal:8010/ nocanon
ProxyPassReverse / http://SAPGateway.Internal:8010/
ErrorLog "C:/Apache24/logs/error.log"
TransferLog "C:/Apache24/logs/access.log"
</VirtualHost>

Each post I come across with a similar issue mentions the trailing '/' on the ProxyPass entries, unfortunately - for me - they're there!

I'm new to Apache, but willing to learn so any help would be very gratefully received.

Kind Regards

[James Blond]

Did you use a tool like firebug or so to see which URL is requested for the CSS file?

[Phippsy2900]

I've used Fiddler and get a 502 for the Get Request of this css page. The WebView shows that there's a DNS lookup failure because it's pointing to the internal server name and not the reverse address.

From the client machine, if I take the CSS path and append it to the external address I can load the CSS - as a file - without issue.

[James Blond]

Ah, ok! So you need to use mod_proxy_html or mod_sed to change the domain name.

[Phippsy2900]

Mod_Proxy_HTML and Mod_Sed are enabled, would this need an expression to capture the URL?

Is there something I can read to work this out, i'm not a fan of regular expressions!

[James Blond]

For mod_sed there is a good tutorial http://httpd.apache.org/docs/2.4/mod/mod_sed.html

if you still have a question please ask again.

[Phippsy2900]

So.

AddOutputFilter Sed html
OutputSed "s/InternalAddress/ExternalAddres/g"

It can't be that simple...can it?

Edited to add:

External address is https, internal is http.

[Phippsy2900]

No, it appears not.

I have


http://InternalServer.Domain.com:8888/Characters/asdfasdf/cssfile.css

Needing to get to.

https://ExternalServer.Domain.com/Characters/asdfasdf/cssfile.css

But using

AddOutputFiler Sed html
OutputSed "/s/testing/Test/g"

Doesn't let me start Apache.

I put it inside <Directory /></Directory> tags which lets me start Apache, but I am still not seeing the contents amended in Fiddler.

I used
AddOutputFilter Sed html
OutputSed "s/ServerName/Website/g"

As a test but haven't seen any changes. Am I thinking about this the wrong way?

[James Blond]

O_o what is ... not so good

with mod_proxy_html