create api, site and add security improvements to apache config

Signed-off-by: Marek Küthe <m.k@mk16.de>

apache2-config/myip.dn42.conf

@@ -5,12 +5,16 @@
         ServerAlias v4.myip.dn42
         ServerAlias 172.22.125.30
 
-        DocumentRoot /path/to/wwwroot/
+        DocumentRoot /var/www/myip.dn42/
-
+        <Directory /var/www/myip.dn42/>
+            Options -Indexes
+            AllowOverride None
+        </Directory>
 
         ErrorLog ${APACHE_LOG_DIR}/error-myip.dn42.log
-        CustomLog ${APACHE_LOG_DIR}/access-myip.dn42.log combined
 
+        ServerSignature On
+        ServerTokens Major
 </VirtualHost>
 
 # or potentially use anycast [fd42:d42:d42:81::1] if approved
@@ -19,11 +23,15 @@
         ServerAlias v6.myip.dn42
         ServerAlias fd63:5d40:47e5::1111
 
-        DocumentRoot /path/to/wwwroot/
+        DocumentRoot /var/www/myip.dn42/
-
+        <Directory /var/www/myip.dn42/>
+            Options -Indexes
+            AllowOverride None
+        </Directory>
 
         ErrorLog ${APACHE_LOG_DIR}/error-myip.dn42.log
-        CustomLog ${APACHE_LOG_DIR}/access-myip.dn42.log combined
 
+        ServerSignature On
+        ServerTokens Major
 </VirtualHost>
 

wwwroot/api.php

@@ -0,0 +1,18 @@
+<?php
+
+	include 'config.php';
+
+	$api_version = '1.0';
+
+	header('Content-Type: application/json');
+
+	$res = array(
+		'version' => $api_version,
+		'ip' => $_SERVER['REMOTE_ADDR'],
+		'node_id' => $node_id,
+		'node_location' => $node_location,
+		'node_asn' => $node_asn
+	);
+
+	echo json_encode($res);
+?>

wwwroot/assets/css/normalize.css

@@ -0,0 +1,349 @@
+/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
+
+/* Document
+   ========================================================================== */
+
+/**
+ * 1. Correct the line height in all browsers.
+ * 2. Prevent adjustments of font size after orientation changes in iOS.
+ */
+
+html {
+  line-height: 1.15; /* 1 */
+  -webkit-text-size-adjust: 100%; /* 2 */
+}
+
+/* Sections
+   ========================================================================== */
+
+/**
+ * Remove the margin in all browsers.
+ */
+
+body {
+  margin: 0;
+}
+
+/**
+ * Render the `main` element consistently in IE.
+ */
+
+main {
+  display: block;
+}
+
+/**
+ * Correct the font size and margin on `h1` elements within `section` and
+ * `article` contexts in Chrome, Firefox, and Safari.
+ */
+
+h1 {
+  font-size: 2em;
+  margin: 0.67em 0;
+}
+
+/* Grouping content
+   ========================================================================== */
+
+/**
+ * 1. Add the correct box sizing in Firefox.
+ * 2. Show the overflow in Edge and IE.
+ */
+
+hr {
+  box-sizing: content-box; /* 1 */
+  height: 0; /* 1 */
+  overflow: visible; /* 2 */
+}
+
+/**
+ * 1. Correct the inheritance and scaling of font size in all browsers.
+ * 2. Correct the odd `em` font sizing in all browsers.
+ */
+
+pre {
+  font-family: monospace, monospace; /* 1 */
+  font-size: 1em; /* 2 */
+}
+
+/* Text-level semantics
+   ========================================================================== */
+
+/**
+ * Remove the gray background on active links in IE 10.
+ */
+
+a {
+  background-color: transparent;
+}
+
+/**
+ * 1. Remove the bottom border in Chrome 57-
+ * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
+ */
+
+abbr[title] {
+  border-bottom: none; /* 1 */
+  text-decoration: underline; /* 2 */
+  text-decoration: underline dotted; /* 2 */
+}
+
+/**
+ * Add the correct font weight in Chrome, Edge, and Safari.
+ */
+
+b,
+strong {
+  font-weight: bolder;
+}
+
+/**
+ * 1. Correct the inheritance and scaling of font size in all browsers.
+ * 2. Correct the odd `em` font sizing in all browsers.
+ */
+
+code,
+kbd,
+samp {
+  font-family: monospace, monospace; /* 1 */
+  font-size: 1em; /* 2 */
+}
+
+/**
+ * Add the correct font size in all browsers.
+ */
+
+small {
+  font-size: 80%;
+}
+
+/**
+ * Prevent `sub` and `sup` elements from affecting the line height in
+ * all browsers.
+ */
+
+sub,
+sup {
+  font-size: 75%;
+  line-height: 0;
+  position: relative;
+  vertical-align: baseline;
+}
+
+sub {
+  bottom: -0.25em;
+}
+
+sup {
+  top: -0.5em;
+}
+
+/* Embedded content
+   ========================================================================== */
+
+/**
+ * Remove the border on images inside links in IE 10.
+ */
+
+img {
+  border-style: none;
+}
+
+/* Forms
+   ========================================================================== */
+
+/**
+ * 1. Change the font styles in all browsers.
+ * 2. Remove the margin in Firefox and Safari.
+ */
+
+button,
+input,
+optgroup,
+select,
+textarea {
+  font-family: inherit; /* 1 */
+  font-size: 100%; /* 1 */
+  line-height: 1.15; /* 1 */
+  margin: 0; /* 2 */
+}
+
+/**
+ * Show the overflow in IE.
+ * 1. Show the overflow in Edge.
+ */
+
+button,
+input { /* 1 */
+  overflow: visible;
+}
+
+/**
+ * Remove the inheritance of text transform in Edge, Firefox, and IE.
+ * 1. Remove the inheritance of text transform in Firefox.
+ */
+
+button,
+select { /* 1 */
+  text-transform: none;
+}
+
+/**
+ * Correct the inability to style clickable types in iOS and Safari.
+ */
+
+button,
+[type="button"],
+[type="reset"],
+[type="submit"] {
+  -webkit-appearance: button;
+}
+
+/**
+ * Remove the inner border and padding in Firefox.
+ */
+
+button::-moz-focus-inner,
+[type="button"]::-moz-focus-inner,
+[type="reset"]::-moz-focus-inner,
+[type="submit"]::-moz-focus-inner {
+  border-style: none;
+  padding: 0;
+}
+
+/**
+ * Restore the focus styles unset by the previous rule.
+ */
+
+button:-moz-focusring,
+[type="button"]:-moz-focusring,
+[type="reset"]:-moz-focusring,
+[type="submit"]:-moz-focusring {
+  outline: 1px dotted ButtonText;
+}
+
+/**
+ * Correct the padding in Firefox.
+ */
+
+fieldset {
+  padding: 0.35em 0.75em 0.625em;
+}
+
+/**
+ * 1. Correct the text wrapping in Edge and IE.
+ * 2. Correct the color inheritance from `fieldset` elements in IE.
+ * 3. Remove the padding so developers are not caught out when they zero out
+ *    `fieldset` elements in all browsers.
+ */
+
+legend {
+  box-sizing: border-box; /* 1 */
+  color: inherit; /* 2 */
+  display: table; /* 1 */
+  max-width: 100%; /* 1 */
+  padding: 0; /* 3 */
+  white-space: normal; /* 1 */
+}
+
+/**
+ * Add the correct vertical alignment in Chrome, Firefox, and Opera.
+ */
+
+progress {
+  vertical-align: baseline;
+}
+
+/**
+ * Remove the default vertical scrollbar in IE 10+.
+ */
+
+textarea {
+  overflow: auto;
+}
+
+/**
+ * 1. Add the correct box sizing in IE 10.
+ * 2. Remove the padding in IE 10.
+ */
+
+[type="checkbox"],
+[type="radio"] {
+  box-sizing: border-box; /* 1 */
+  padding: 0; /* 2 */
+}
+
+/**
+ * Correct the cursor style of increment and decrement buttons in Chrome.
+ */
+
+[type="number"]::-webkit-inner-spin-button,
+[type="number"]::-webkit-outer-spin-button {
+  height: auto;
+}
+
+/**
+ * 1. Correct the odd appearance in Chrome and Safari.
+ * 2. Correct the outline style in Safari.
+ */
+
+[type="search"] {
+  -webkit-appearance: textfield; /* 1 */
+  outline-offset: -2px; /* 2 */
+}
+
+/**
+ * Remove the inner padding in Chrome and Safari on macOS.
+ */
+
+[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+
+/**
+ * 1. Correct the inability to style clickable types in iOS and Safari.
+ * 2. Change font properties to `inherit` in Safari.
+ */
+
+::-webkit-file-upload-button {
+  -webkit-appearance: button; /* 1 */
+  font: inherit; /* 2 */
+}
+
+/* Interactive
+   ========================================================================== */
+
+/*
+ * Add the correct display in Edge, IE 10+, and Firefox.
+ */
+
+details {
+  display: block;
+}
+
+/*
+ * Add the correct display in all browsers.
+ */
+
+summary {
+  display: list-item;
+}
+
+/* Misc
+   ========================================================================== */
+
+/**
+ * Add the correct display in IE 10+.
+ */
+
+template {
+  display: none;
+}
+
+/**
+ * Add the correct display in IE 10.
+ */
+
+[hidden] {
+  display: none;
+}

wwwroot/config.php

@@ -0,0 +1,13 @@
+<?php
+	// The Node ID can be any value, which can be defined by the operator. It should be unique.
+	$node_id = 'AS4242420000/de-01';
+
+	// The ASN should be the ASN from which the server providing the service is connected.
+	$node_asn = '4242420000';
+
+	// This should be - if there is no other way - an ISO 3166-1 alpha-2 code.
+	$node_location = 'DE';
+	
+	// The commonly used name in the country where the node is located.
+	$node_location_full = 'Germany';
+?>

wwwroot/index.php

@@ -1,3 +1,42 @@
 <?php
-print($_SERVER['REMOTE_ADDR']);
+    include 'config.php';
-?>
+?><!DOCTYPE html>
+<html lang="en">
+    <head>
+        <meta charset="UTF-8">
+        
+        <title>myip.dn42</title>
+        
+        <meta name="author" content="dn42 community">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
+        <meta name="robots" content="index, follow">
+        <meta name="description" content="This service can tell you your IP address in dn42.">
+        <meta name="keywords" content="what is my ip,my ip">
+                
+        <link rel="icon" type="image/png" href="/favicon.png">
+        <link rel="shortcut icon" type="image/png" href="/favicon.png">
+        
+        <link rel="stylesheet" href="/assets/css/normalize.css" integrity="sha384-M86HUGbBFILBBZ9ykMAbT3nVb0+2C7yZlF8X2CiKNpDOQjKroMJqIeGZ/Le8N2Qp">
+        <link rel="stylesheet" href="/assets/css/simple.min.css" integrity="sha384-ZLDMtZ+NjwNE3nk4wWLGpX4atVTD4fql9ruaAw2xFz7CLPlFcwrifgX2HgkdX6X7">
+    </head>
+    <body>
+        <header>
+            <h1>myip.dn42</h1>
+        </header>
+        <main>
+            <div>
+                <h2>Your IP address</h2>
+                Your IP address is <?= $_SERVER['REMOTE_ADDR'] ?>.<br>
+            </div>
+            <div>
+                <h2>Remote Node</h2>
+                You have reached the myip.dn42 service of AS<?= $node_asn ?>. The server is located in <?= $node_location_full ?> (<?= $node_location ?>). The server has the ID <code><?= $node_id ?></code>.
+            </div>
+        </main>
+        <footer>
+            <p>
+        This service is provided by the dn42 community. Anycast is used to ensure the reliability of the service. Bugs or feedback about the service can be submitted via the Mailling list or the <a href="https://git.dn42.dev/lare/myip.dn42/issues">issue tracker</a>.
+            </p>
+        </footer>
+    </body>
+</html>

wwwroot/plain.php

@@ -0,0 +1,4 @@
+<?php
+	header('Content-Type: text/plain');
+	echo $_SERVER['REMOTE_ADDR'];
+?>

wwwroot/plain_asn.php

@@ -0,0 +1,7 @@
+<?php
+
+	include 'config.php';
+
+	header('Content-Type: text/plain');
+	echo $node_asn;
+?>

wwwroot/plain_location.php

@@ -0,0 +1,7 @@
+<?php
+
+	include 'config.php';
+
+	header('Content-Type: text/plain');
+	echo $node_location;
+?>