#!/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 a minimal HTTPD SSL configuration
here=`readlink -f $0`; here=`dirname $here`
root=`readlink -f $1`
host=$2
sslport=`echo $3 | awk -F "/" '{ print $1 }'`
sslpport=`echo $3 | awk -F "/" '{ print $2 }'`
if [ "$sslpport" = "" ]; then
    sslpport=$sslport
fi
htdocs=`readlink -f $4`
httpd_prefix=`cat $here/httpd.prefix`
vhost=$5

# Extract organization name from our CA certificate
org=`openssl x509 -noout -subject -nameopt multiline -in $root/conf/ca.crt | grep organizationName | awk -F "= " '{ print $2 }'`

# Generate HTTPD configuration
cat >>$root/conf/httpd.conf <<EOF
# Redirect all HTTP traffic to HTTPS
<Location />
RewriteEngine on
RewriteCond %{SERVER_PORT} !^$sslpport$  
RewriteRule .* https://%{SERVER_NAME}:$sslpport%{REQUEST_URI} [R,L]
</Location>

# Setup SSL support
AddType application/x-x509-ca-cert .crt
AddType application/x-pkcs7-crl .crl
SSLPassPhraseDialog  builtin
SSLSessionCache "shmcb:$root/logs/ssl_scache(512000)"
SSLSessionCacheTimeout 300
SSLMutex "file:$root/logs/ssl_mutex"
SSLRandomSeed startup builtin
SSLRandomSeed connect builtin

# Setup HTTPS virtual hosts
Listen $sslport

SSLCACertificateFile "$root/conf/ca.crt"
SSLCertificateFile "$root/conf/server.crt"
SSLCertificateKeyFile "$root/conf/server.key"

<VirtualHost *:$sslport>
ServerName https://$host:$sslpport
UseCanonicalName Off

# Enable SSL
Include conf/ssl-vhost.conf

# Allow the server admin to view the server status
<Location /server-status>
SetHandler server-status
HostnameLookups on
Deny from All
Allow from localhost
Allow from $host
Require user admin
</Location>

</VirtualHost>

# Report extended server status
ExtendedStatus On

# Route all wiring through HTTPS
SCAWiringServerName https://$host:$sslpport

EOF

# Generate VirtualHost SSL configuration
cat >$root/conf/ssl-vhost.conf <<EOF
# Enable SSL
SSLEngine on
SSLCipherSuite ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP:+eNULL
BrowserMatch ".*MSIE.*" nokeepalive ssl-unclean-shutdown downgrade-1.0 force-response-1.0

# Logging
CustomLog "$root/logs/ssl_request_log" "%t %h %{SSL_PROTOCOL}x %{SSL_CIPHER}x \"%r\" %b"
LogFormat "%h %l %u %t %{SSL_PROTOCOL}x %{SSL_CIPHER}x \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\"" sslcombined
CustomLog $root/logs/ssl_access_log sslcombined
LogLevel warn

# Require clients to present either:
# a certificate signed with our certification authority certificate
# or a userid + password for HTTP basic authentication
<Location />
Satisfy Any

SSLVerifyClient optional
SSLVerifyDepth 1
SSLOptions +FakeBasicAuth
SSLRequireSSL
SSLRequire %{SSL_CIPHER_USEKEYSIZE} >= 128 and %{SSL_CLIENT_I_DN_O} == "$org"

AuthType Basic
AuthName "$host"
AuthUserFile "$root/conf/httpd.passwd"
Require valid-user
</Location>

EOF

# Generate mass dynamic virtual hosting configuration
if [ "$vhost" = "vhost" ]; then

cat >>$root/conf/httpd.conf <<EOF
# Setup mass dynamic virtual hosting
NameVirtualHost *:$sslport
SSLStrictSNIVHostCheck Off

<VirtualHost *:$sslport>
ServerName https://vhost.$host:$sslpport
ServerAlias *.$host
UseCanonicalName Off
VirtualDocumentRoot $htdocs/domains/%1/

# Enable SSL
SSLCACertificateFile "$root/conf/ca.crt"
SSLCertificateFile "$root/conf/vhost.crt"
SSLCertificateKeyFile "$root/conf/vhost.key"
Include conf/ssl-vhost.conf
</VirtualHost>

EOF

fi

# Create test users for HTTP basic authentication
$httpd_prefix/bin/htpasswd -bc $root/conf/httpd.passwd test test 2>/dev/null
$httpd_prefix/bin/htpasswd -b $root/conf/httpd.passwd admin admin 2>/dev/null
$httpd_prefix/bin/htpasswd -b $root/conf/httpd.passwd foo foo 2>/dev/null
$httpd_prefix/bin/htpasswd -b $root/conf/httpd.passwd bar bar 2>/dev/null