From aafeaecb26fbb05284558114332a89439261637b Mon Sep 17 00:00:00 2001
From: elijah <elijah@riseup.net>
Date: Tue, 21 May 2013 13:17:25 -0700
Subject: nickserver - added support for apache reverse proxy frontend to
 handle the TLS.

---
 puppet/modules/site_nickserver/manifests/init.pp   | 54 ++++++++++++++++++++--
 .../templates/nickserver-proxy.conf.erb            | 23 +++++++++
 .../site_nickserver/templates/nickserver.yml.erb   | 27 +++++++----
 3 files changed, 90 insertions(+), 14 deletions(-)
 create mode 100644 puppet/modules/site_nickserver/templates/nickserver-proxy.conf.erb

(limited to 'puppet')

diff --git a/puppet/modules/site_nickserver/manifests/init.pp b/puppet/modules/site_nickserver/manifests/init.pp
index 03af4acb..7dfa2603 100644
--- a/puppet/modules/site_nickserver/manifests/init.pp
+++ b/puppet/modules/site_nickserver/manifests/init.pp
@@ -1,6 +1,10 @@
 #
-# TODO: currently, this is dependent on the HAProxy stuff that is in site_webapp.
-# it would be good to factor that out into a site_haproxy, so that nickserver could be applied independently.
+# TODO: currently, this is dependent on some things that are set up in site_webapp
+#
+# (1) HAProxy -> couchdb
+# (2) Apache
+#
+# It would be good in the future to make nickserver installable independently of site_webapp.
 #
 
 class site_nickserver {
@@ -12,12 +16,23 @@ class site_nickserver {
   #
 
   $nickserver        = hiera('nickserver')
-  $nickserver_port   = $nickserver['port']
+  $nickserver_port   = $nickserver['port']  # the port that public connects to (should be 6425)
+  $nickserver_local_port = '64250'          # the port that nickserver is actually running on
+  $nickserver_domain = $nickserver['domain']
+
   $couchdb_user      = $nickserver['couchdb_user']['username']
   $couchdb_password  = $nickserver['couchdb_user']['password']
   $couchdb_host      = 'localhost'    # couchdb is available on localhost via haproxy, which is bound to 4096.
   $couchdb_port      = '4096'         # See site_webapp/templates/haproxy_couchdb.cfg.erg
 
+  # temporarily for now:
+  $domain          = hiera('domain')
+  $address_domain  = $domain['full_suffix']
+  $x509            = hiera('x509')
+  $x509_key        = $x509['key']
+  $x509_cert       = $x509['cert']
+  $x509_ca         = $x509['ca_cert']
+
   #
   # USER AND GROUP
   #
@@ -30,16 +45,16 @@ class site_nickserver {
     ensure    => present,
     allowdupe => false,
     gid       => 'nickserver',
-    groups    => 'ssl-cert',
     home      => '/srv/leap/nickserver',
     require   => Group['nickserver'];
   }
 
   #
   # NICKSERVER CODE
+  # NOTE: in order to support TLS, libssl-dev must be installed before EventMachine gem
+  # is built/installed.
   #
 
-  # libssl-dev must be installed before eventmachine gem in order to support TLS
   package {
     'libssl-dev': ensure => installed;
   }
@@ -100,6 +115,7 @@ class site_nickserver {
 
   #
   # FIREWALL
+  # poke a hole in the firewall to allow nickserver requests
   #
 
   file { '/etc/shorewall/macro.nickserver':
@@ -115,4 +131,32 @@ class site_nickserver {
     order       => 200;
   }
 
+  #
+  # APACHE REVERSE PROXY
+  # nickserver doesn't speak TLS natively, let Apache handle that.
+  #
+
+  apache::module {
+    'proxy': ensure => present;
+    'proxy_http': ensure => present
+  }
+
+  apache::vhost::file {
+    'nickserver': content => template('site_nickserver/nickserver-proxy.conf.erb')
+  }
+
+  x509::key { 'nickserver':
+    content => $x509_key,
+    notify  => Service[apache];
+  }
+
+  x509::cert { 'nickserver':
+    content => $x509_cert,
+    notify  => Service[apache];
+  }
+
+  x509::ca { 'nickserver':
+    content => $x509_ca,
+    notify  => Service[apache];
+  }
 }
\ No newline at end of file
diff --git a/puppet/modules/site_nickserver/templates/nickserver-proxy.conf.erb b/puppet/modules/site_nickserver/templates/nickserver-proxy.conf.erb
new file mode 100644
index 00000000..67896cd3
--- /dev/null
+++ b/puppet/modules/site_nickserver/templates/nickserver-proxy.conf.erb
@@ -0,0 +1,23 @@
+#
+# Apache reverse proxy configuration for the Nickserver
+#
+
+Listen 0.0.0.0:<%= @nickserver_port -%>
+
+<VirtualHost *:<%= @nickserver_port -%>>
+  ServerName <%= @nickserver_domain %>
+  ServerAlias <%= @address_domain %>
+
+  SSLEngine on
+  SSLProtocol -all +SSLv3 +TLSv1
+  SSLCipherSuite HIGH:MEDIUM:!aNULL:!SSLv2:!MD5:@STRENGTH
+  SSLHonorCipherOrder on
+
+  SSLCACertificatePath /etc/ssl/certs
+  SSLCertificateChainFile /etc/ssl/certs/nickserver.pem
+  SSLCertificateKeyFile /etc/x509/keys/nickserver.key
+  SSLCertificateFile /etc/x509/certs/nickserver.crt
+
+  ProxyPass / http://localhost:<%= @nickserver_local_port %>/
+  ProxyPreserveHost On  # preserve Host header in HTTP request
+</VirtualHost>
diff --git a/puppet/modules/site_nickserver/templates/nickserver.yml.erb b/puppet/modules/site_nickserver/templates/nickserver.yml.erb
index b6e0b3bf..7aab5605 100644
--- a/puppet/modules/site_nickserver/templates/nickserver.yml.erb
+++ b/puppet/modules/site_nickserver/templates/nickserver.yml.erb
@@ -1,10 +1,19 @@
-couch_host: <%= @couchdb_host %>
+#
+# configuration for nickserver.
+#
+
+domain: "<%= @address_domain %>"
+
+couch_host: "<%= @couchdb_host %>"
 couch_port: <%= @couchdb_port %>
-couch_database: 'users'
-couch_user: <%= @couchdb_user %>
-couch_password: <%= @couchdb_password %>
-hkp_url: 'https://hkps.pool.sks-keyservers.net:/pks/lookup'
-port: <%= @nickserver_port %>
-pid_file: '/var/run/nickserver'
-user: 'nickserver'
-log_file: '/var/log/nickserver.log'
+couch_database: "users"
+couch_user: "<%= @couchdb_user %>"
+couch_password: "<%= @couchdb_password %>"
+
+hkp_url: "https://hkps.pool.sks-keyservers.net:/pks/lookup"
+
+user: "nickserver"
+port: <%= @nickserver_local_port %>
+pid_file: "/var/run/nickserver"
+log_file: "/var/log/nickserver.log"
+
-- 
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