Fixes acquia#824: Replace simplesaml gist.

phing/tasks/simplesamlphp.xml

@@ -40,7 +40,7 @@
     <copy todir="${repo.root}/simplesamlphp/config" overwrite="false">
       <filelist dir="${repo.root}/vendor/simplesamlphp/simplesamlphp/config-templates" files="authsources.php, config.php"/>
     </copy>
-    <exec dir="${repo.root}/simplesamlphp/config" command="curl https://gist.githubusercontent.com/acquialibrary/8059715/raw/a6dc376bfb5068a2c7fe01be315d13bd47d4c10b/9191_config.php > acquia_config.php" passthru="true"/>
+    <copy file="${blt.root}/scripts/simplesamlphp/acquia_config.php" tofile="${repo.root}/simplesamlphp/config" overwrite="false"/>
     <append destFile="${repo.root}/simplesamlphp/config/config.php" text="include 'acquia_config.php';"/>
     <echo>Copying config files to ${repo.root}/simplesamlphp/metadata.</echo>
     <copy todir="${repo.root}/simplesamlphp/metadata" file="${repo.root}/vendor/simplesamlphp/simplesamlphp/metadata-templates/saml20-idp-remote.php" overwrite="false"/>

scripts/simplesamlphp/acquia_config.php

@@ -0,0 +1,91 @@
+<?php
+// All custom changes below. Modify as needed.
+// Defines account specific settings.
+// $ah_options['database_name'] should be the Acquia Cloud workflow database name which
+// will store SAML session information.set
+// You can use any database that you have defined in your workflow.
+// Use the database "role" without the stage ("dev", "stage", or "test", etc.)
+//This file was last modified on Nov 4, 2015.
+$ah_options = array(
+  'database_name' => 'mydatabasename',
+  'session_store' => array(
+    'prod' => 'memcache',
+    'test' => 'memcache',
+    'dev'  => 'database',
+  ),
+);
+// Set some security and other configs that are set above, however we
+// overwrite them here to keep all changes in one area
+$config['technicalcontact_name'] = "Your Name";
+$config['technicalcontact_email'] = "your_email@yourdomain.com";
+// Change these for your installation
+$config['secretsalt'] = 'y0h9d13pki9qdhfm3l5nws4jjn55j6hj';
+$config['auth.adminpassword'] = 'mysupersecret';
+// Prevent Varnish from interfering with SimpleSAMLphp.
+setcookie('NO_CACHE', '1');
+if (empty($_ENV['AH_SITE_ENVIRONMENT'])) {
+  // add any local configuration here
+} else {
+  $ah_options['env'] = $_ENV['AH_SITE_ENVIRONMENT'];
+  $config = acquia_logging_config($config);
+  $config = acquia_session_store_config($config, $ah_options);
+}
+function acquia_session_store_config($config, $ah_options) {
+  if ($ah_options['session_store'][$ah_options['env']] == 'memcache') {
+    $config = mc_session_store($config);
+  } elseif ($ah_options['session_store'][$ah_options['env']] == 'database') {
+    $config = sql_session_store($config, $ah_options['database_name']);
+  }
+  return $config;
+}
+function acquia_logging_config($config) {
+  // Set log location, as specified by Acquia
+  $config['logging.handler'] = 'file';
+  $config['loggingdir'] = dirname($_ENV['ACQUIA_HOSTING_DRUPAL_LOG']);
+  $config['logging.logfile'] = 'simplesamlphp-' . date("Ymd") . '.log';
+  return $config;
+}
+function mc_session_store($config) {
+  $config['store.type'] = 'memcache';
+  $config['memcache_store.servers'] = mc_info();
+  return $config;
+}
+function mc_info() {
+  $creds_json = file_get_contents('/var/www/site-php/' . $_ENV['AH_SITE_NAME'] . '/creds.json');
+  $creds = json_decode($creds_json, TRUE);
+  $mc_server = array();
+  $mc_pool = array();
+  foreach ($creds['memcached_servers'] as $fqdn) {
+    $mc_server['hostname'] = preg_replace('/:.*?$/', '', $fqdn);
+    array_push($mc_pool, $mc_server);
+  }
+  return array($mc_pool);
+}
+function sql_session_store($config, $database_name) {
+  $creds = db_info($database_name);
+  $config['store.type'] = 'sql';
+  $config['store.sql.dsn'] = sprintf('mysql:host=%s;port=%s;dbname=%s', $creds['host'], $creds['port'], $creds['name']);
+  $config['store.sql.username'] = $creds['user'];
+  $config['store.sql.password'] = $creds['pass'];
+  $config['store.sql.prefix'] = 'simplesaml';
+  return $config;
+}
+function db_info($db_name) {
+  $creds_json = file_get_contents('/var/www/site-php/' . $_ENV['AH_SITE_NAME'] . '/creds.json');
+  $databases = json_decode($creds_json, TRUE);
+  $db = $databases['databases'][$db_name];
+  $db['host'] = ($host = ah_db_current_host($db['db_cluster_id'])) ? $host : key($db['db_url_ha']);
+  return $db;
+}
+function ah_db_current_host($db_cluster_id) {
+  require_once("/usr/share/php/Net/DNS2_wrapper.php");
+  try {
+    $resolver = new Net_DNS2_Resolver(array('nameservers' => array('127.0.0.1', 'dns-master')));
+    $response = $resolver->query("cluster-{$db_cluster_id}.mysql", 'CNAME');
+    $cached_id = $response->answer[0]->cname;
+  }
+  catch (Net_DNS2_Exception $e) {
+    $cached_id = "";
+  }
+  return $cached_id;
+}