Htaccess snippet for selective simple auth on staging environment.

.htaccess

# ##############################################################################
# # HTTP AUTH FOR NON-PRODUCTION PUBLIC SITES                                  #
# ##############################################################################

# Set environment variable based on Host
SetEnvIfNoCase Host \.local(:80)?$ APPLICATION_ENV=development
SetEnvIfNoCase Host ^(www\.)?stagingaddress\.com(:80)?$ APPLICATION_ENV=staging
SetEnvIfNoCase Host ^(www\.)?productionaddress\.com(:80)?$ APPLICATION_ENV=production

# Check for staging so we can set DENIABLE_HOST variable
SetEnvIf APPLICATION_ENV staging DENIABLE_HOST

# Simple auth.
AuthName "Restricted Area"
AuthType Basic
AuthUserFile /server/path/to/.htpasswd
AuthGroupFile /dev/null

# Set to deny first, then allow everything unless DENIABLE_HOST is set.
Order Deny,Allow
Satisfy any
Deny from all
Require valid-user
Allow from env=!DENIABLE_HOST