From 80270eca1cb6db2137d203ffc0baa957fb930d6b Mon Sep 17 00:00:00 2001
From: Greg Anderson <greg.1.anderson@greenknowe.org>
Date: Mon, 17 Aug 2015 17:06:59 -0700
Subject: [PATCH] Pantheon settings.php files. pantheon-systems/drops-8#55.

---
 sites/default/settings.pantheon.php | 94 +++++++++++++++++++++++++++++
 sites/default/settings.php          | 20 ++++++
 2 files changed, 114 insertions(+)
 create mode 100644 sites/default/settings.pantheon.php
 create mode 100755 sites/default/settings.php

diff --git a/sites/default/settings.pantheon.php b/sites/default/settings.pantheon.php
new file mode 100644
index 000000000..1e04f018c
--- /dev/null
+++ b/sites/default/settings.pantheon.php
@@ -0,0 +1,94 @@
+<?php
+
+/**
+ * Add the Drupal 8 CMI Directory Information directly in settings.php to make sure
+ * Drupal knows all about that.
+ *
+ * Issue: https://github.com/pantheon-systems/drops-8/issues/2
+ *
+ * IMPORTANT SECURITY NOTE:  The configuration paths set up
+ * below are secure when running your site on Pantheon.  If you
+ * migrate your site to another environment on the public internet,
+ * you should relocate these locations. See "After Installation"
+ * at https://www.drupal.org/node/2431247
+ *
+ */
+if (substr($_SERVER['SCRIPT_NAME'],0,17) != '/core/install.php') {
+  $config_directories = array(
+    CONFIG_ACTIVE_DIRECTORY => 'sites/default/files',
+    CONFIG_STAGING_DIRECTORY => 'sites/default/files',
+  );
+}
+else {
+  $config_directories = array(
+    CONFIG_ACTIVE_DIRECTORY => 'sites/default/files/config/active',
+    CONFIG_STAGING_DIRECTORY => 'sites/default/config',
+  );
+}
+
+/**
+ * Override the $install_state variable to let Drupal know that the settings are verified
+ * since they are being passed directly by the Pantheon.
+ *
+ * Issue: https://github.com/pantheon-systems/drops-8/issues/9
+ *
+ */
+if (isset($_ENV['PANTHEON_ENVIRONMENT'])) {
+  $GLOBALS['install_state']['settings_verified'] = TRUE;
+}
+
+/**
+ * Allow Drupal 8 to Cleanly Redirect to Install.php For New Sites.
+ *
+ * Issue: https://github.com/pantheon-systems/drops-8/issues/3
+ *
+ * c.f. https://github.com/pantheon-systems/drops-8/pull/53
+ *
+ */
+if (isset($_ENV['PANTHEON_ENVIRONMENT']) && (substr($_SERVER['SCRIPT_NAME'],0,17) != '/core/install.php') && (!is_dir(__DIR__ . '/files/styles'))) {
+  include_once __DIR__ . '/../../core/includes/install.inc';
+  install_goto('core/install.php');
+}
+
+/**
+ * Override the $databases variable to pass the correct Database credentials
+ * directly from Pantheon to Drupal.
+ *
+ * Issue: https://github.com/pantheon-systems/drops-8/issues/8
+ *
+ */
+if (isset($_SERVER['PRESSFLOW_SETTINGS'])) {
+  $pressflow_settings = json_decode($_SERVER['PRESSFLOW_SETTINGS'], TRUE);
+  foreach ($pressflow_settings as $key => $value) {
+    // One level of depth should be enough for $conf and $database.
+    if ($key == 'conf') {
+      foreach($value as $conf_key => $conf_value) {
+        $conf[$conf_key] = $conf_value;
+      }
+    }
+    elseif ($key == 'databases') {
+      // Protect default configuration but allow the specification of
+      // additional databases. Also, allows fun things with 'prefix' if they
+      // want to try multisite.
+      if (!isset($databases) || !is_array($databases)) {
+        $databases = array();
+      }
+      $databases = array_replace_recursive($databases, $value);
+    }
+    else {
+      $$key = $value;
+    }
+  }
+}
+
+/**
+ * Handle Hash Salt Value from Drupal
+ *
+ * Issue: https://github.com/pantheon-systems/drops-8/issues/10
+ *
+ */
+if (isset($_ENV['PANTHEON_ENVIRONMENT'])) {
+  $settings['hash_salt'] = $_ENV['DRUPAL_HASH_SALT'];
+}
+
+
diff --git a/sites/default/settings.php b/sites/default/settings.php
new file mode 100755
index 000000000..fbc1e688a
--- /dev/null
+++ b/sites/default/settings.php
@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Include the Pantheon-specific settings file.
+ *
+ * n.b. The settings.pantheon.php file makes some changes
+ *      that affect all envrionments that this site
+ *      exists in.  Always include this file, even in
+ *      a local development environment, to insure that
+ *      the site settings remain consistent.
+ */
+include __DIR__ . "/settings.pantheon.php";
+
+/**
+ * If there is a local settings file, then include it
+ */
+$local_settings = __DIR__ . "/settings.local.php";
+if (file_exists($local_settings)) {
+  include $local_settings;
+}