+ $resp = recaptcha_check_answer ($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;