-
-abstract class cms {
-
- private $config_file = '/etc/dylansserver.ini';
- protected $db;
- protected $recaptcha_publickey;
- protected $recaptcha_privatekey;
- protected $scripts;
- public $title;
- public $home_link;
-
- public function __construct() {
- $config = parse_ini_file($this->config_file, true);
- $this->db = new mysqli(
- $config['database']['domain'],
- $config['database']['user'],
- $config['database']['password'],
- $config['database']['database']);
- if (mysqli_connect_errno()) {
- echo "Problem connecting to database: ";
- echo mysqli_connect_error();
- exit();
- }
- $this->recaptcha_publickey = $config['recaptcha']['publickey'];
- $this->recaptcha_privatekey = $config['recaptcha']['privatekey'];
- $this->title = $config['site']['default_title'];
- $this->home_link = $config['site']['home_link'];
- ob_start();
- }
-
- public static function determine_type() {
- if (isset($_GET['page']) && is_numeric($_GET['page'])) {
- return 'page';
- } else if (isset($_GET['year'])) {
- return 'archive';
- } else if (isset($_GET['note'])) {
- return 'note';
- } else if ($_SERVER['REQUEST_URI'] == '/') {
- return 'index';
- } else if (isset($_GET['project'])) {
- return 'project';
- } else if (isset($_GET['rss'])) {
- return 'rss';
- } else if (isset($_GET['challenge'])) {
- return 'captcha';
- }
- }
-
- public function query() {
- $args = func_get_args();
- $statement = $this->db->prepare($args[0]);
- $args = array_slice($args, 1);
- call_user_func_array(array($statement, 'bind_param'), &$args);
- $statement->execute();
- $return = array();
- $statement->store_result();
- $row = array();
- $data = $statement->result_metadata();
- $fields = array();
- $fields[0] = &$statement;
- while($field = $data->fetch_field()) {
- $fields[] = &$row[$field->name];
- }
- call_user_func_array("mysqli_stmt_bind_result", $fields);
- $i = 0;
- while ($statement->fetch()) {
- foreach ($row as $key=>$value) $return[$i][$key] = $value;
- $i++;
- }
- $statement->free_result();
- return $return;
- }
-
- public function display_head($title = "dylansserver",
- $home_link = "/") {
- $scripts = $this->scripts;
- $stylesheets = "<link href='/includes/style.css' rel='stylesheet' type='text/css'>";
- $home_link = "http://validator.w3.org/unicorn/check?ucn_uri=dylansserver.com&ucn_task=conformance#";
- echo <<<END_OF_HEAD
-<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
-"http://www.w3.org/TR/html4/loose.dtd">
-
-<html>
-<head>
- <meta name="generator" content=
- "HTML Tidy for Linux (vers 25 March 2009), see www.w3.org">
- <meta http-equiv="Content-type" content="text/html;charset=UTF-8">
-
- <title>$this->title</title>
- <link rel="icon" href="/favicon.ico" type="image/png">
- $stylesheets
- $scripts
-</head>
-
-<body onload="return typeof highlight == 'function' ? highlight() : true;">
- <div id="structure">
- <div id="banner">
- <a href="$this->home_link">
- <img src="/images/dylansserver.png" alt="dylansserver"
- border="0"></a>
- </div>
-
- <div id="content">
-END_OF_HEAD;
- }
-
- public function display_contact() {
- echo <<<END_OF_CONTACT
- <div id="contact_me"><h1><a href=
- "mailto:dylan@psu.edu">dylan</a></h1><a href=
- "mailto:dylan@psu.edu">@psu.edu</a>
- </div>
-END_OF_CONTACT;
- }
-
- public function display_close($show_contact = true) {
- if ($show_contact) {
- $this->display_contact();
- }
- echo <<<END_OF_CLOSE
- </div>
- <br>
- <br>
- </div>
-</body>
-</html>
-END_OF_CLOSE;
- ob_flush();
- }
-
-}
-
-
-class index extends cms {
-
- public function display() {
- $this->scripts = "<script type='text/javascript' src='/includes/index.js'></script>";
- $this->display_head();
- $this->display_exhibits();
- echo "<ul id='portfolio'>";
- $this->list_projects();
- echo <<<OTHER_PROJECTS
- <li>
- <h3>things i've done for others:</h3>
- </li>
-
- <li><a href=
- "http://activehamptons.com">activehamptons.com</a></li>
-
- <li><a href=
- "http://transfishing.com">transfishing.com</a></li>
-
- <li>
- <h3>something i've worked on:</h3>
- </li>
-
- <li><a href=
- "http://tempositions.com">tempositions.com</a></li>
-
- <li>
- <h3>my repositories:</h3>
- </li>
-
- <li><a href=
- "/git/">git://dylansserver.com</a></li>
-
- <li>
- <h3>some notes:</h3>
- </li>
-
- <li><a href=
- "/notes/">here</a> [<a href="/notes/rss">rss</a>]</li>
-
- <li>
- <h3>my resume:</h3>
- </li>
-
- <li>[<a href=
- "/resume">pdf</a>]</li>
-
- <li>
- </li>
-OTHER_PROJECTS;
- // Because of the CSS necessary for the animations,
- // the contact link needs to be in #portfolio to clear
- // the floats.
- echo "<li>";
- $this->display_contact();
- echo "</li>";
- echo "</ul>";
- $this->display_close($show_contact = false);
- }
-
- protected function display_exhibits() {
- echo "<div id='exhibit'>";
- $sql = "SELECT text FROM projects ORDER BY rank";
- $result = $this->db->query($sql);
- while ($entry = $result->fetch_object()) {
- echo $entry->text;
- }
- echo "</div>";
- }
-
- private function list_projects() {
- echo <<<HEREDOC
- <li>
- <h3>my projects:</h3>
- </li>
-HEREDOC;
- $sql = "SELECT title FROM projects ORDER BY rank";
- $result = $this->db->query($sql);
- while ($entry = $result->fetch_object()) {
- echo "<li><a class='tab' href='$entry->title'>$entry->title</a></li>";
- }
- }
-
-}
-
-
-class project extends index {
-
- protected function display_exhibits() {
- echo "<div id='exhibit'>";
- $sql = "SELECT text FROM projects
- WHERE title = ?";
- $result = $this->query($sql, "s", $_GET['project']);
- if ($result = $result[0]['text']) {
- $text = str_replace("class='exhibit'", "class='exhibit' style='display:block;'", $result);
- echo $text;
- echo "</div>";
- } else {
- throw new notFound();
- }
- }
-
-}
-
-
-class page extends cms {
-
- private $page = 1;
- private $offset = 0;
- private $notes_per_page = 4;
- private $number_of_pages = 1;
-
- public function __construct() {
- parent::__construct();
- $this->page_offset();
- $this->scripts = "
- <script type='text/javascript' src='/includes/syntax/scripts/shCore.js'></script>
- <script type='text/javascript' src='/includes/syntax/scripts/shAutoloader.js'></script>
- <link type='text/css' rel='stylesheet' href='/includes/syntax/styles/shCore.css'>
- <link type='text/css' rel='stylesheet' href='/includes/syntax/styles/shThemeDefault.css'>
- <script type='text/javascript'>
- function highlight() {
- SyntaxHighlighter.autoloader(
- 'js /includes/syntax/scripts/shBrushJScript.js',
- 'bash /includes/syntax/scripts/shBrushBash.js',
- 'sql /includes/syntax/scripts/shBrushSql.js',
- 'cpp /includes/syntax/scripts/shBrushCpp.js');
- SyntaxHighlighter.defaults['gutter'] = false;
- SyntaxHighlighter.defaults['toolbar'] = false;
- SyntaxHighlighter.all();
- }
- </script>
- ";
- }
-
- private function page_offset() {
- $sql = "SELECT COUNT(*) FROM notes";
- $result = $this->db->query($sql);
- $result = $result->fetch_array();
- $this->number_of_pages = ceil($result[0] / $this->notes_per_page);
- if (isset($_GET['page']) && is_numeric($_GET['page'])) {
- $this->page = (int) $_GET['page'];
- } else {
- throw new notFound();
- }
- if ($this->page > $this->number_of_pages) {
- throw new notFound();
- }
- if ($this->page < 1) {
- throw new notFound();
- }
- $this->offset = ($this->page - 1) * $this->notes_per_page;
- }
-
- public function display() {
- $this->display_head();
- echo "<div id='notes'>";
- $sql = "SELECT date_posted, title, url, text
- FROM notes ORDER BY date_posted DESC
- LIMIT ?, ?";
- $result = $this->query($sql, "ii",
- $this->offset,
- $this->notes_per_page);
- foreach ($result as $row => $entry) {
- $title = $entry['title'];
- $url = '/note/' . $entry['url'];
- $date_posted = explode("-", $entry['date_posted']);
- $year_posted = $date_posted[0];
- $month_posted = $date_posted[1];
- $datetime_posted = explode(' ', $date_posted[2]);
- $day_posted = $datetime_posted[0];
- $text = $entry['text'];
- echo <<<END_NOTE
- <div class='note'>
- <h1>
- <span class='date'>$year_posted/$month_posted/$day_posted/</span><a rel="canonical" href='$url'>$title</a>
- </h1>
- $text
- </div>
-END_NOTE;
- }
- echo "</div>";
- $this->write_navigation();
- $this->display_close();
- }
-
- private function write_navigation() {
- echo "<div id='navigation'>";
- echo "<h1>";
- if($this->page > 1){
- $previous_page = $this->page - 1;
- echo "<a href='/notes/page/$previous_page'>prev</a>";
- }
- if($this->page < $this->number_of_pages) {
- $forward_page = $this->page + 1;
- echo " <a href='/notes/page/$forward_page'>next</a>";
- }
- echo "</h1>";
- echo "</div>";
- }
-
-}
-
-
-class note extends cms {
-
- private $id;
- private $comments_enabled = false;
- private $failed_captcha;
- public $url;
- public $title;
- public $year_posted;
- public $month_posted;
- public $day_posted;
- public $text;
- public $number_of_comments;
-
- public function __construct() {
- $this->scripts = "
- <script type='text/javascript' src='/includes/syntax/scripts/shCore.js'></script>
- <script type='text/javascript' src='/includes/syntax/scripts/shAutoloader.js'></script>
- <link type='text/css' rel='stylesheet' href='/includes/syntax/styles/shCore.css'>
- <link type='text/css' rel='stylesheet' href='/includes/syntax/styles/shThemeDefault.css'>
- <script type='text/javascript'>
- function highlight() {
- SyntaxHighlighter.autoloader(
- 'js /includes/syntax/scripts/shBrushJScript.js',
- 'bash /includes/syntax/scripts/shBrushBash.js',
- 'sql /includes/syntax/scripts/shBrushSql.js',
- 'cpp /includes/syntax/scripts/shBrushCpp.js');
- SyntaxHighlighter.defaults['gutter'] = false;
- SyntaxHighlighter.defaults['toolbar'] = false;
- SyntaxHighlighter.all();
- }
- </script>
- ";
-
- if (isset($_GET['comments'])) {
- $this->scripts .= "
- <script type='text/javascript' src='http://www.google.com/recaptcha/api/js/recaptcha_ajax.js'></script>
- <script type='text/javascript' src='/includes/comment.js'></script>";
- }
- parent::__construct();
- if (isset($_GET['comments'])) {
- $this->comments_enabled = true;
- }
- $url = htmlspecialchars($_SERVER['REQUEST_URI']);
- if (isset($_GET['verify'])) {
- $url = substr($url, 0, (strlen($url)-6));
- }
- $this->url = $url;
- $sql = "SELECT title, date_posted, text, id
- FROM notes WHERE url = ?";
- $result = $this->query($sql, "s",
- $_GET['note']);
- if ($result) {
- $entry = $result[0];
- $this->id = $entry["id"];
- $this->title = $entry["title"];
- $date_posted = explode("-", $entry["date_posted"]);
- $this->year_posted = $date_posted[0];
- $this->month_posted = $date_posted[1];
- $datetime_posted = explode(' ', $date_posted[2]);
- $this->day_posted = $datetime_posted[0];
- $this->text = $entry["text"];
- } else {
- throw new notFound();
- }
- $sql = "SELECT COUNT(*) FROM comments
- WHERE note = $this->id";
- $result = $this->db->query($sql);
- $result = $result->fetch_array();
- $this->number_of_comments = $result[0];
- if (isset($_GET['verify'])) {
- $this->verify();
- }
- }
-
- public function display() {
- $this->display_head();
- $this->display_note();
- if ($this->comments_enabled) {
- $this->display_comments();
- $this->display_comment_form();
- }
- $this->write_navigation();
- $this->display_close();
- }
-
- private function verify() {
- if (!isset($_POST['captcha'])) {
- require_once('includes/recaptchalib.php');
- echo "<br>";
- $resp = recaptcha_check_answer ($this->recaptcha_privatekey,
- $_SERVER["REMOTE_ADDR"],
- $_POST["recaptcha_challenge_field"],
- $_POST["recaptcha_response_field"]);
- if (!$resp->is_valid) {
- $this->failed_captcha = true;
- }
- }
- if (isset($_POST['captcha']) || $resp->is_valid) {
- $sql = ("INSERT INTO comments (date_posted, author,
- text, note)
- VALUES(NOW(), ?, ?, ?)");
- $stmt = $this->db->prepare($sql);
- // Checks are needed here (no blank text,
- // and a default author needs to be set
- // for no-javascript users.
- $stmt->bind_param('sss',
- $_POST['name'],
- $_POST['text'],
- $this->id);
- $stmt->execute();
- }
- }
-
- private function display_note() {
- echo <<<END_OF_NOTE
- <div id='note'>
- <h1><span class='date'>$this->year_posted/$this->month_posted/$this->day_posted/</span>$this->title</h1>
- $this->text
- </div>
-END_OF_NOTE;
- }
-
- private function write_navigation() {
- echo <<<END_OF_NAVIGATION
- <br><br><br><br>
- <div id='navigation'>
- <h1>
-END_OF_NAVIGATION;
- if (!$this->comments_enabled) {
- $this->display_comment_link();
- }
- echo <<<END_OF_NAVIGATION
- <a href="/notes/">back to notes/</a>
- </h1>
- </div>
-END_OF_NAVIGATION;
- }
-
- private function display_comment_link() {
- if ($this->number_of_comments > 0) {
- $anchor_text = "comments($this->number_of_comments)/";
- } else {
- $anchor_text = "comment?";
- }
- if (substr($this->url, (strlen($this->url)-1), strlen($this->url)) == '/') {
- $url = $this->url . 'comments/';
- } else {
- $url = $this->url . '/comments/';
- }
- echo "<a id='comment_link' href='$url'>$anchor_text</a>";
- }
-
- private function display_comments() {
- echo "<div id='comments'>";
- $sql= "SELECT date_posted, author, text
- FROM comments WHERE note = ?
- ORDER BY date_posted DESC";
- $result = $this->query($sql, 'd', $this->id);
- foreach ($result as $row => $entry) {
- $date_posted = $entry['date_posted'];
- $author = $entry['author'];
- $text = htmlspecialchars($entry['text']);
- $head = "<h3>" . htmlspecialchars($author) . "</h3>";
- echo <<<END_OF_COMMENT
- <div class='comment'>
- $head
- $text
- </div>
-END_OF_COMMENT;
- }
- echo "</div>";
- }
-
- private function display_comment_form() {
- $publickey = $this->recaptcha_publickey;
- echo <<<END_CAPTCHA_STYLE
-<script type="text/javascript">
-Recaptcha.create("$publickey",
- "recaptcha_div",
- {
- theme : 'custom',
- custom_theme_widget: 'recaptcha_widget',
- callback: Recaptcha.focus_response_field
- });
-</script>
-END_CAPTCHA_STYLE;
- require_once('includes/recaptchalib.php');
- $url = $this->url . "verify";
- echo "<form id='comment_form' method='post' action='$url'>";
- echo <<<END_OF_FORM
- <div id="comment">
- <h3>comment:</h3>
- <textarea rows="10" cols="70" name="text" id="comment_text"></textarea>
- <h3>name:</h3>
- <input type=text name="name" id="comment_name">
-
- <nowiki>
- <div id="recaptcha_widget">
- <br>
- <h3><b>what's this say</b>?</h3>
- <br>
- <div id="recaptcha_image"></div>
- <br><br><br>
- <span class="recaptcha_only_if_image"><br><br><br></span>
- <input type="text" id="recaptcha_response_field" name="recaptcha_response_field" />
- <br><br>
- <h3 class="recaptcha_only_if_audio"><b>enter the numbers you hear</b>:</h3>
- <span class="recaptcha_help">
- <a href="javascript:Recaptcha.reload()">another?</a> /
- <span class="recaptcha_only_if_image"><a href="javascript:Recaptcha.switch_type('audio')">audio?</a> /</span>
- <span class="recaptcha_only_if_audio"><a href="javascript:Recaptcha.switch_type('image')">image?</a></span><a href="javascript:Recaptcha.showhelp()">help?</a>
- </span>
- </div>
-END_OF_FORM;
- echo recaptcha_get_html($this->recaptcha_publickey);
- if ($this->failed_captcha) {
- echo <<<END_OF_ERRORS
- <div id="not_human">
- reCAPTCHA said you're not human, <br>
- try again?
- </div>
- <input id="submit" class="submit" type="submit" value="post comment">
- </form>
- </div>
-END_OF_ERRORS;
- } else {
- echo <<<END_OF_ERRORS
- <div id="not_human">
- reCAPTCHA said you're not human, <br>
- try again?
- </div>
- <div id="blank_comment">
- but you didn't write anything! <br>
- </div>
-END_OF_ERRORS;
- }
- echo <<<END_OF_FORM
- <input id="submit" class="submit" type="submit" value="post comment">
- </form>
- </div>
-END_OF_FORM;
- }
-}
-
-
-class archive extends cms {
-
- public function __construct() {
- parent::__construct();
- }
-
- private function check_exists() {
- $sql = "SELECT COUNT(*) FROM notes
- WHERE url = ?";
- $results = $this->query($sql, "s", $_GET['note']);
- if ($results[0]["COUNT(*)"] != 1) {
- $this->not_found();
- }
- }
-
- public function display() {
- $this->display_head();
- switch (true) {
- case (isset($_GET['year']) && !isset($_GET['month'])
- && !isset($_GET['day'])):
- $sql = "SELECT title, url, date_posted, text
- FROM notes WHERE YEAR(date_posted) = ?
- ORDER BY date_posted DESC";
- $result = $this->query($sql, "d",
- $_GET['year']);
- break;
- case (isset($_GET['year']) && isset($_GET['month'])
- && !isset($_GET['day'])):
- $sql = "SELECT title, url, date_posted, text
- FROM notes WHERE YEAR(date_posted) = ?
- AND MONTH(date_posted) = ?
- ORDER BY date_posted DESC";
- $result = $this->query($sql, "dd",
- $_GET['year'], $_GET['month']);
- break;
- case (isset($_GET['year']) && isset($_GET['month'])
- && isset($_GET['day'])):
- $sql = "SELECT title, url, date_posted, text
- FROM notes WHERE YEAR(date_posted) = ?
- AND MONTH(date_posted) = ?
- AND DAY(date_posted) = ?
- ORDER BY date_posted DESC";
- $result = $this->query($sql, "ddd",
- $_GET['year'], $_GET['month'],
- $_GET['day']);
- break;
- }
- if (count($result) >= 1) {
- echo "<div id='notes'>";
- foreach ($result as $row => $entry) {
- $title = $entry['title'];
- $url = '/note/' . $entry['url'];
- $date_posted = explode("-", $entry['date_posted']);
- $year_posted = $date_posted[0];
- $month_posted = $date_posted[1];
- $datetime_posted = explode(' ', $date_posted[2]);
- $day_posted = $datetime_posted[0];
- echo "<div class='note'>";
- echo "<h1><span class='date'>";
- echo "$year_posted/$month_posted/$day_posted/";
- echo "</span><a href='$url'>$title</a></h1>";
- echo $entry['text'];
- echo "</div>";
- }
- echo "</div>";
- $this->write_navigation();
- } else {
- echo "<br>";
- echo "<h1>sorry, nothing here</h2>";
- echo "<pre>Empty set (0.00 sec)</pre>";
- }
- $this->display_close();
- }
-
- private function write_navigation() {
- echo "<br>";
- echo "<div id='navigation'>";
- // fill me in!
- echo "</div>";
- }
-
-}
-
-
-class rss extends cms {
- public function display() {
- $result = $this->db->query("SELECT date_posted, title, text, url
- FROM notes ORDER BY date_posted DESC
- LIMIT 5");
- echo <<<END_OF_ENTRY
- <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
- <channel>
- <title>dylansserver.com/notes/rss</title>
- <link>http://dylansserver.com/notes</link>
- <description>dylansserver.com/notes/rss</description>
- <atom:link href="http://dylansserver.com/notes/rss" rel="self" type="application/rss+xml" />
-END_OF_ENTRY;
- while ($entry = $result->fetch_object()) {
- $title = $entry->title;
- $date_posted = $entry->date_posted;
- $url = "http://dylansserver.com/note/" . $entry->url;
- $text = $entry->text;
- $text = strip_tags($text);
- $end_of_first_sentence = strpos($text, '.');
- if ($end_of_first_sentence) {
- $end_of_second_sentence = strpos($text, '.', ($end_of_first_sentence + 1));
- if ($end_of_second_sentence) {
- $description = substr($text, '0', ($end_of_second_sentence + 1));
- } else {
- $description = substr($text, '0', ($end_of_first_sentence + 1));
- }
- }
- echo <<<END_OF_ENTRY
- <item>
- <title>$title</title>
- <link>$url</link>
- <guid>$url</guid>
- <description>$description</description>
- </item>
-END_OF_ENTRY;
- }
- echo "</channel>";
- echo "</rss>";
-
- }
-}
-
-
-class notFound extends Exception {
-
- public function __construct() {
- header('HTTP/1.0 404 Not Found');
- ob_end_clean();
- include('404.php');
- exit();
- }
-
-}
-
-
-class captcha extends cms {
-
- public function display() {
- $challenge = $_GET['challenge'];
- $response = $_GET['response'];
- $remoteip = $_SERVER['REMOTE_ADDR'];
- $curl = curl_init('http://api-verify.recaptcha.net/verify?');
- curl_setopt ($curl, CURLOPT_POST, 4);
- curl_setopt ($curl, CURLOPT_POSTFIELDS, "privatekey=$this->recaptcha_privatekey&remoteip=$remoteip&challenge=$challenge&response=$response");
- $result = curl_exec ($curl);
- curl_close ($curl);
- }
-
-}
-
-
-## now actually do something:
-switch (cms::determine_type()) {
- case 'index':
- $index = new index();
- $index->display();
- break;
- case 'project':
- $project = new project();
- $project->display();
- break;
- case 'note':
- $note = new note;
- $note->display();
- break;
- case 'page':
- $page = new page;
- $page->display();
- break;
- case "rss":
- $rss = new rss();
- $rss->display();
- break;
- case 'archive':
- $archive = new archive;
- $archive->display();
- break;
- case "captcha":
- $captcha = new captcha;
- $captcha->display();
- break;
-}
-