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}
]
The mime_mapping keyword enables you to define how to map certain file suffixes to required MIME types. For
example, you can map files with the .jpg file extension to the MIME type image/jpeg.
force_ssl
}
{
"force_ssl" : true,
The force_ssl keyword enables you to refuse Browser requests that do not use secure HTTP (SSL/HTTPS) for
client connections. If no value is set for exposed, the default setting (false) applies and non-secured connections
(HTTP) are allowed.
enable_etags
}
{
"enable_etags" : true,
You can allow or prevent the generation of entity tags (etags) for static Web content using the enable_etags
keyword. If no value is set, the default setting (true) applies, in which case etags are generated. Etags are used to
improve caching performance, for example, so that the same data is not resent from the server if no change has
occurred since the last time a request for the same data was made.
4.4.5 Application-Access URL Rewrite Rules
Rewriting URLs enables you to hide internal URL path details from external users, clients, and search engines. You
define URL rewrite rules in the application-access file (.xsaccess) for each application or for an application
hierarchy (an application package and its subpackages).
The rewrite rules you define in the .xsaccess file apply only to the local application to which the .xsaccess file
belongs; it is not possible to define global rules to rewrite URLs. Rules are specified as a source-target pair where
the source is written in the JavaScript regex syntax, and the target is a simple string where references to found
groups can be inserted using $groupnumber.
The following examples show how to use a simple set of rewrite rules to hide internal URLs from requesting clients
and users.
The first example illustrates the package structure that exists in the repository for a given application; the
structure includes the base package apptest, the subpackages subpackage1 and subpackage2, and several
other subpackages:
56
sap---apptest
|---logic
| |---users.xsjs
| |---posts.xsjs
|---posts
P U B L I C
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SAP HANA Developer Guide
Setting Up Your Application