X-Git-Url: https://disinclined.org/git/?a=blobdiff_plain;f=index.php;h=f15b9999abebbea79042c08f43d9a6969f6c8737;hb=1cf5e32bfd56c0704ca9857e5574ddd0f5edd42c;hp=700f69a182a9cb0d81bd7b72821a8dbc57195337;hpb=f870b65ad60d8ea7456384d38f8db6fd01275990;p=dylansserver.git

diff --git a/index.php b/index.php
index 700f69a..f15b999 100644
--- a/index.php
+++ b/index.php
@@ -3,19 +3,23 @@
 abstract class cms {
   private $config_file = '/etc/dylanstestserver.ini';
   protected $db;
+  protected $recaptcha_publickey;
+  protected $recaptcha_privatekey;
 
   public function __construct() {
-    $config = parse_ini_file($this->config_file);
+    $config = parse_ini_file($this->config_file, true);
     $this->db = new mysqli(
-	  $config['domain'],
-	  $config['user'],
-	  $config['password'],
-      $config['database']);
+	  $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'];
 	ob_start();
   }
 
@@ -62,8 +66,7 @@ abstract class cms {
   								$home_link = "/") {
     $scripts = "";
 	$stylesheets = "<link href=\"/includes/style.css\" rel=\"stylesheet\" type=\"text/css\">";
-	if (cms::determine_type() == "index") {
-	  $scripts = "<script type=\"text/javascript\" src=\"/includes/all.js\">";
+	if (cms::determine_type() == "index") { $scripts = "<script type=\"text/javascript\" src=\"/includes/all.js\">";
 	  $home_link = "http://validator.w3.org/unicorn/check?ucn_uri=dylanstestserver.com&amp;ucn_task=conformance#";
 	}
   echo <<<END_OF_HEAD
@@ -121,6 +124,10 @@ END_OF_CLOSE;
 
 }
 
+class blank_page extends cms {
+
+}
+
 class index extends cms {
 	public function display() {
 		$this->display_head();
@@ -287,47 +294,184 @@ class page extends cms {
 
 class note extends cms {
 
-  public function __construct() {
+  private $id;
+  private $comments_enabled = false;
+  public $url;
+  public $title;
+  public $year_posted;
+  public $month_posted;
+  public $day_posted;
+  public $text;
+  public $number_of_comments;
+
+  public function __construct($comments_enabled = false) {
     parent::__construct();
-	$this->check_exists();
-  }
-
-  private function check_exists() {
-    $sql = "SELECT COUNT(*) FROM notes
-			  WHERE url = ?";
-	$results = $this->query($sql, "s", $_GET['note']);
-	if ($results[0]["COUNT(*)"] != 1) {
+	$this->comments_enabled = $comments_enabled;
+    $url = htmlspecialchars($_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];
   }
 
   public function display() {
 	$this->display_head();
-    $sql = "SELECT title, date_posted, text
-			  FROM notes WHERE url = ?";
-	$result = $this->query($sql, "s",
-							  $_GET['note']);
-	$entry = $result[0];
-	$title = $entry["title"];
-	$date_posted =  explode("-", $entry["date_posted"]);
-	$year_posted = $date_posted[0];
-	$month_posted = $date_posted[1];
-	$datetime_posted = explode(' ', $date_posted[2]);
-	$day_posted = $datetime_posted[0];
-	echo "<div id=\"note\">";
-    echo "<h2><span style=\"color:grey;\">$year_posted/$month_posted/$day_posted/</span>$title</h2>";
-	echo $entry['text'];
+	$this->display_note();
+	if ($this->comments_enabled) {
+	  $this->display_comments();
+	  $this->display_comment_form();
+	}
 	$this->write_navigation();
     $this->display_close();
   }
 
-  private function write_navigation() {
+  private function verify() {
+    require_once('includes/recaptchalib.php');
 	echo "<br>";
-    echo "<div id=\"navigation\">";
-    echo "<h2>";
-    echo "<a href=\"/notes/\">notes</a>/";
-    echo "</h2>";
-    echo "</div>";
+    $resp = recaptcha_check_answer ($this->recaptcha_privatekey,
+								    $_SERVER["REMOTE_ADDR"],
+								    $_POST["recaptcha_challenge_field"],
+								    $_POST["recaptcha_response_field"]);
+    if (!$resp->is_valid) {
+      echo "<span style=\"color:red;border:1px solid black;padding:15px;\">sorry, reCAPTCHA said you're not human.</span><br><br><br>";
+    } else {
+	  $sql = ("INSERT INTO comments (date_posted, author,
+	  			email, text, note)
+				VALUES(NOW(), ?, ?, ?, ?)");
+	  $stmt = $this->db->prepare($sql);
+	  // Checks are needed here (no blank text,
+	  // and a default author / email need to be set
+	  $stmt->bind_param('ssss',
+	  					htmlspecialchars($_POST['author']),
+	  					htmlspecialchars($_POST['email']),
+	  					htmlspecialchars($_POST['text']),
+						$this->id);
+	  $stmt->execute();
+	}
+  }
+
+  private function display_note() {
+	echo "<div id=\"note\">";
+    echo "<h2><span style=\"color:grey;\">$this->year_posted/$this->month_posted/$this->day_posted/</span>$this->title</h2>";
+	echo $this->text;
+  }
+
+  private function write_navigation() {
+    echo <<<END_OF_NAVIGATION
+	<br>
+    <div id=\"navigation\">
+    <h2>
+END_OF_NAVIGATION;
+	if (!$this->comments_enabled) {
+	  $this->display_comment_link();
+	}
+    echo <<<END_OF_NAVIGATION
+	<a href="/notes/">notes</a>/
+    </h2>
+    </div>
+END_OF_NAVIGATION;
+  }
+
+  private function display_comment_link() {
+    if ($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, email, 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'];
+	  $email = $entry['email'];
+	  $text = htmlspecialchars($entry['text']);
+	  echo <<<END_OF_COMMENT
+	  <h3><a href="mailto:$email">$author</a></h3>
+	  $text
+	  <br>
+	  <br>
+END_OF_COMMENT;
+	  }
+	echo "</div>";
+  }
+
+  private function display_comment_form() {
+    echo <<<END_CAPTCHA_STYLE
+<script type="text/javascript">
+var RecaptchaOptions = {
+   theme : 'custom',
+   custom_theme_widget: 'recaptcha_widget'
+   };
+</script>
+END_CAPTCHA_STYLE;
+    require_once('includes/recaptchalib.php');
+	// Trailing slash is necessary for reloads to work
+    $url = $this->url . "verify";
+	echo "<form method=\"post\" action=\"$url\">";
+	echo  <<<FORM
+	<div id="comment">
+
+<h3>comment:</h3>
+<textarea rows="10" cols="70" name=text></textarea>
+<h3>name:</h3>
+<input type=text name=author>
+<h3>email:</h3>
+<input type=text name=email><br>
+<nowiki>
+
+<div id="recaptcha_widget"> 
+<h3 class="recaptcha_only_if_image"><b>what's this say</b>?</h3>
+<h3 class="recaptcha_only_if_audio"><b>enter the numbers you hear</b>:</h3>
+<span style="font-size:80%;">(<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')">Get an image CAPTCHA</a></span><a href="javascript:Recaptcha.showhelp()">help</a>)</span><br><br>
+  <input type="text" id="recaptcha_response_field" name="recaptcha_response_field" />
+  <br><br>
+  <div style="float:right;position:relative;width:100px;"><div id="recaptcha_image"></div></div>
+  <br><br><br><br>
+</div>
+FORM;
+	echo recaptcha_get_html($this->recaptcha_publickey);
+	if (isset($_GET['verify'])) {
+	  $this->verify();
+	}
+	echo  <<<END_OF_FORM
+	<input class="submit" type="submit" value="comment">
+	</form>
+	</div>
+END_OF_FORM;
   }
 }
 
@@ -437,7 +581,11 @@ switch (cms::determine_type()) {
 	$project->display();
 	break;
   case "note":
-    $note = new note;
+    if (isset($_GET['comments'])) {
+      $note = new note($comments_enabled = true);
+	} else {
+      $note = new note;
+	}
 	$note->display();
 	break;
   case "page":