#!/bin/sh

#  Licensed to the Apache Software Foundation (ASF) under one
#  or more contributor license agreements.  See the NOTICE file
#  distributed with this work for additional information
#  regarding copyright ownership.  The ASF licenses this file
#  to you under the Apache License, Version 2.0 (the
#  "License"); you may not use this file except in compliance
#  with the License.  You may obtain a copy of the License at
#  
#    http://www.apache.org/licenses/LICENSE-2.0
#    
#  Unless required by applicable law or agreed to in writing,
#  software distributed under the License is distributed on an
#  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
#  KIND, either express or implied.  See the License for the
#  specific language governing permissions and limitations
#  under the License.

# Generate an OAuth server conf
here=`echo "import os; print os.path.realpath('$0')" | python`; here=`dirname $here`
mkdir -p $1
root=`echo "import os; print os.path.realpath('$1')" | python`

uname=`uname -s`
if [ $uname = "Darwin" ]; then
    libsuffix=".dylib"
else
    libsuffix=".so"
fi

conf=`cat $root/conf/httpd.conf | grep "# Generated by: httpd-conf"`
host=`echo $conf | awk '{ print $6 }'`

sslconf=`cat $root/conf/httpd.conf | grep "# Generated by: httpd-ssl-conf"`
if [ "$sslconf" = "" ]; then
    sslsuffix=""
else
    sslsuffix="-ssl"
fi

if [ "$2" = "" ]; then
    providers="file"
else
    providers="file $2"
fi

# Configure HTTPD mod_tuscany_oauth module
cat >>$root/conf/modules.conf <<EOF
# Generated by: oauth-conf $*
# Load support for OAuth authentication
LoadModule mod_tuscany_oauth2 $here/libmod_tuscany_oauth2$libsuffix

EOF

# Disallow public access to server resources
cat >$root/conf/noauth$sslsuffix.conf <<EOF
# Generated by: oauth-conf $*
# Disallow public access to server resources

EOF

# Configure OAuth authentication
cat >>$root/conf/locauth$sslsuffix.conf <<EOF
# Generated by: oauth-conf $*
# Enable OAuth authentication
<Location />
AuthType Open
AuthName "$host"
AuthOAuthProvider socache $providers
AuthnCacheProvideFor $providers
AuthnCacheContext /
Require valid-user
AuthOAuth On
AuthOAuthLoginPage /login/
AddAuthOAuth2ScopeAttr REALM realm
AddAuthOAuth2ScopeAttr REMOTE_USER email
AddAuthOAuth2ScopeAttr EMAIL email
AddAuthOAuth2ScopeAttr NICKNAME name
AddAuthOAuth2ScopeAttr FULLNAME name
AddAuthOAuth2ScopeAttr FIRSTNAME first_name
AddAuthOAuth2ScopeAttr LASTNAME last_name
AddAuthOAuth2ScopeAttr FULLNAME name
</Location>

EOF

cat >>$root/conf/auth.conf <<EOF
# Configure OAuth App keys
Include $root/cert/oauth-keys.conf

EOF

mkdir -p $root/cert
cat >$root/cert/oauth-keys.conf <<EOF
# Generated by: oauth-conf $*
# OAuth App keys

EOF

if [ -d "$HOME/.oauth" ]; then
    cat >>$root/conf/auth.conf <<EOF
# Configure OAuth App keys
Include $HOME/.oauth/*-key.conf

EOF
fi