diff --git a/README.md b/README.md
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+++ b/README.md
@@ -0,0 +1,6 @@
+#ILAB Basic Auth
+
+This is a simple plugin that allows you to turn on basic auth for stuff like
+staging sites or dev sites that are publicly accessible.  This shouldn't be
+used for any kind of security other than to prevent random people or
+robots from indexing your site.
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diff --git a/composer.json b/composer.json
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+++ b/composer.json
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+{
+  "name" : "ilab/ilab-auth",
+  "description": "Plugin for providing basic auth protection for public stating/dev sites.",
+  "type": "wordpress-plugin",
+  "license": "LGPL",
+  "keywords": ["basic-auth","wordpress"],
+  "authors": [
+    {
+      "name": "Jon Gilkison",
+      "email": "jon@interfacelab.com"
+    }
+  ],
+  "require" : {
+  }
+}
diff --git a/ilab-auth.php b/ilab-auth.php
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+++ b/ilab-auth.php
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+<?php
+/*
+Plugin Name: ILAB Basic Auth
+Plugin URI: http://interfacelab.com/basic-auth
+Description: Enables/disables HTTP basic auth on a per host basis
+Author: Jon Gilkison
+Version: 0.1.0
+Author URI: http://interfacelab.com
+*/
+class ILABAuth {
+    private $hosts=[];
+
+    public function __construct() {
+        add_action('template_redirect', [$this, 'checkAuth'], 1);
+
+        add_action('admin_menu', function() {
+            add_options_page('Basic Auth', 'Basic Auth', 'manage_options', 'ilab-basic-auth', [$this, 'displaySettings']);
+        });
+
+        add_action('admin_init',function(){
+            register_setting( 'ilab-basic-auth-group', 'ilab-basic-auth-hosts' );
+            register_setting( 'ilab-basic-auth-group', 'ilab-basic-auth-message' );
+            register_setting( 'ilab-basic-auth-group', 'ilab-basic-auth-error' );
+        });
+
+        $hostList = get_option('ilab-basic-auth-hosts');
+        if ($hostList && !empty($hostList)) {
+            $hosts = explode("\n", $hostList);
+            foreach($hosts as $host)
+                $this->hosts[] = trim($host);
+        }
+    }
+
+    public function checkAuth() {
+        if (count($this->hosts)>0) {
+            if (!in_array($_SERVER['HTTP_HOST'],$this->hosts))
+                return;
+        }
+
+        if (is_user_logged_in())
+            return;
+
+        nocache_headers();
+
+        $usr = isset($_SERVER['PHP_AUTH_USER']) ? $_SERVER['PHP_AUTH_USER'] : '';
+        $pwd = isset($_SERVER['PHP_AUTH_PW'])   ? $_SERVER['PHP_AUTH_PW']   : '';
+        if (empty($usr) && empty($pwd) && isset($_SERVER['HTTP_AUTHORIZATION']) && $_SERVER['HTTP_AUTHORIZATION']) {
+            list($type, $auth) = explode(' ', $_SERVER['HTTP_AUTHORIZATION']);
+            if (strtolower($type) === 'basic') {
+                list($usr, $pwd) = explode(':', base64_decode($auth));
+            }
+        }
+
+        $is_authenticated = wp_authenticate($usr, $pwd);
+        if (!is_wp_error($is_authenticated))
+            return;
+
+        $message = get_option('ilab-basic-auth-message','Please enter your username and password.');
+        $error = get_option('ilab-basic-auth-error','You need to supply a username or password to view this site.');
+
+        header('WWW-Authenticate: Basic realm="'.$message.'"');
+        wp_die($error, 'Authorization Required', ['response' => 401]);
+    }
+
+    public function displaySettings() {
+        ?>
+        <div class="wrap">
+            <h2>Basic Auth</h2>
+            <form method="post" action="options.php">
+                <?php settings_fields( 'ilab-basic-auth-group' ); ?>
+                <?php do_settings_sections( 'ilab-basic-auth-group' ); ?>
+                <h2>Settings</h2>
+                <p>You can enable basic auth on a per host basis by specifying the exact domains in the Hosts settings.  This is useful if you want to enable basic auth for dev or staging, but not production.</p>
+                <p>If you don't define any hosts, basic auth will be required on every domain.</p>
+                <table class="form-table">
+                    <tr valign="top">
+                        <th scope="row" style="text-align:right">Hosts</th>
+                        <td><textarea style="width:100%; max-width: 350px;" rows="8" name="ilab-basic-auth-hosts"><?php echo esc_attr( get_option('ilab-basic-auth-hosts') ); ?></textarea></td>
+                    </tr>
+                    <tr valign="top">
+                        <th scope="row" style="text-align:right">Authentication Message</th>
+                        <td><input style="width:100%; max-width: 350px;" type="text" name="ilab-basic-auth-message" value="<?php echo esc_attr( get_option('ilab-basic-auth-message') ); ?>" /></td>
+                    </tr>
+                    <tr valign="top">
+                        <th scope="row" style="text-align:right">Failure Message</th>
+                        <td><input style="width:100%; max-width: 350px;" type="text" name="ilab-basic-auth-error" value="<?php echo esc_attr( get_option('ilab-basic-auth-error') ); ?>" /></td>
+                    </tr>
+                </table>
+
+                <?php submit_button(); ?>
+            </form>
+        </div>
+        <?php
+    }
+
+}
+
+new ILABAuth();
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