Add embedding support (YT, Vimeo, SoundCloud) and make links in messages clickable

README.md

@@ -14,6 +14,7 @@ For demos see the [TinyIB Installations](https://github.com/tslocum/TinyIB/wiki)
 Features
 ------------
  - GIF, JPG, PNG, SWF and WebA/WebM upload.
+ - YouTube, Vimeo and SoundCloud embedding.
  - CAPTCHA.
  - Reference links >>###
  - Delete post via password.

imgboard.php

@@ -89,12 +89,53 @@ if (isset($_POST['message']) || isset($_POST['file'])) {
 		$post['message'] = $_POST['message']; // Treat message as raw HTML
 	} else {
 		$rawposttext = '';
-		$post['message'] = str_replace("\n", '<br>', colorQuote(postLink(cleanString(rtrim($_POST['message'])))));
+		$post['message'] = str_replace("\n", '<br>', makeLinksClickable(colorQuote(postLink(cleanString(rtrim($_POST['message']))))));
 	}
 	$post['password'] = ($_POST['password'] != '') ? md5(md5($_POST['password'])) : '';
 	$post['nameblock'] = nameBlock($post['name'], $post['tripcode'], $post['email'], time(), $rawposttext);
 
-	if (isset($_FILES['file'])) {
+	if (isset($_POST['embed']) && trim($_POST['embed']) != '') {
+		list($service, $embed) = getEmbed(trim($_POST['embed']));
+		if (empty($embed) || !isset($embed['html']) || !isset($embed['title']) || !isset($embed['thumbnail_url'])) {
+			fancyDie("Invalid embed URL. Only YouTube, Vimeo, and SoundCloud URLs are supported.");
+		}
+
+		$post['file_hex'] = $service;
+		$temp_file = time() . substr(microtime(), 2, 3) . '.tmp';
+		$file_location = "thumb/" . $temp_file;
+		file_put_contents($file_location, file_get_contents($embed['thumbnail_url']));
+
+		$file_info = getimagesize($file_location);
+		$file_mime = $file_info['mime'];
+		$post['image_width'] = $file_info[0];
+		$post['image_height'] = $file_info[1];
+
+		if ($file_mime == "image/jpeg") {
+			$post['thumb'] = $temp_file . '.jpg';
+		} else if ($file_mime == "image/gif") {
+			$post['thumb'] = $temp_file . '.gif';
+		} else if ($file_mime == "image/png") {
+			$post['thumb'] = $temp_file . '.png';
+		} else {
+			fancyDie("Error while processing audio/video.");
+		}
+		$thumb_location = "thumb/" . $post['thumb'];
+
+		list($thumb_maxwidth, $thumb_maxheight) = thumbnailDimensions($post);
+
+		if (!createThumbnail($file_location, $thumb_location, $thumb_maxwidth, $thumb_maxheight)) {
+			fancyDie("Could not create thumbnail.");
+		}
+
+		addVideoOverlay($thumb_location);
+
+		$thumb_info = getimagesize($thumb_location);
+		$post['thumb_width'] = $thumb_info[0];
+		$post['thumb_height'] = $thumb_info[1];
+
+		$post['file_original'] = cleanString($embed['title']);
+		$post['file'] = str_ireplace(array('src="https://', 'src="http://'), 'src="//', $embed['html']);
+	} else if (isset($_FILES['file'])) {
 		if ($_FILES['file']['name'] != "") {
 			validateFileUpload();
 
@@ -233,11 +274,21 @@ if (isset($_POST['message']) || isset($_POST['file'])) {
 	}
 
 	if ($post['file'] == '') { // No file uploaded
-		if ($post['parent'] == TINYIB_NEWTHREAD && (TINYIB_PIC || TINYIB_SWF || TINYIB_WEBM) && !TINYIB_NOFILEOK) {
-			fancyDie("A file is required to start a thread.");
+		$allowed = "";
+		if (TINYIB_PIC || TINYIB_SWF || TINYIB_WEBM) {
+			$allowed = "file";
+		}
+		if (TINYIB_EMBED) {
+			if ($allowed != "") {
+				$allowed .= " or ";
+			}
+			$allowed .= "embed URL";
+		}
+		if ($post['parent'] == TINYIB_NEWTHREAD && $allowed != "" && !TINYIB_NOFILEOK) {
+			fancyDie("A $allowed is required to start a thread.");
 		}
 		if (str_replace('<br>', '', $post['message']) == "") {
-			fancyDie("Please enter a message" . ((TINYIB_PIC || TINYIB_SWF || TINYIB_WEBM) ? " and/or upload a file" : "") . ".");
+			fancyDie("Please enter a message" . ($allowed != "" ? " and/or upload a $allowed" : "") . ".");
 		}
 	} else {
 		echo $post['file_original'] . ' uploaded.<br>';

inc/defines.php

@@ -27,6 +27,9 @@ if (!defined('TINYIB_SWF')) {
 if (!defined('TINYIB_WEBM')) {
 	define('TINYIB_WEBM', false);
 }
+if (!defined('TINYIB_EMBED')) {
+	define('TINYIB_EMBED', false);
+}
 if (!defined('TINYIB_THUMBNAIL')) {
 	define('TINYIB_THUMBNAIL', 'gd');
 }

inc/functions.php

@@ -213,7 +213,7 @@ function colorQuote($message) {
 }
 
 function deletePostImages($post) {
-	if ($post['file'] != '') {
+	if ($post['file_hex'] != 'YouTube' && $post['file_hex'] != 'Vimeo' && $post['file_hex'] != 'SoundCloud' && $post['file'] != '') {
 		@unlink('src/' . $post['file']);
 	}
 	if ($post['thumb'] != '') {
@@ -499,3 +499,19 @@ function strallpos($haystack, $needle, $offset = 0) {
 	}
 	return $result;
 }
+
+function getEmbed($url) {
+	$services = array('YouTube' => "http://www.youtube.com/oembed?url=" . urlencode($url) . "&format=json", 'Vimeo' => "http://vimeo.com/api/oembed.json?url=" . urlencode($url), 'SoundCloud' => "http://soundcloud.com/oembed?format=json&url=" . $url);
+	foreach ($services as $service => $service_url) {
+		$curl = curl_init($service_url);
+		curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
+		curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
+		$return = curl_exec($curl);
+		curl_close($curl);
+		$result = json_decode($return, true);
+		if (!empty($result)) {
+			break;
+		}
+	}
+	return array($service, $result);
+}

inc/html.php

@@ -22,6 +22,7 @@ EOF;
 		<link rel="stylesheet" type="text/css" href="css/global.css">
 		<link rel="stylesheet" type="text/css" href="css/futaba.css" title="Futaba">
 		<link rel="alternate stylesheet" type="text/css" href="css/burichan.css" title="Burichan">
+		<script src="js/jquery.js"></script>
 		<script src="js/tinyib.js"></script>
 	</head>
 EOF;
@@ -71,6 +72,15 @@ function supportedFileTypes() {
 	return $types_formatted;
 }
 
+function makeLinksClickable($text) {
+	$text = preg_replace('!(((f|ht)tp(s)?://)[-a-zA-Zа-яА-Я()0-9@:%\!_+.,~#?&;//=]+)!i', '<a href="$1" target="_blank">$1</a>', $text);
+	$text = preg_replace('/\(\<a href\=\"(.*)\)"\ target\=\"\_blank\">(.*)\)\<\/a>/i', '(<a href="$1" target="_blank">$2</a>)', $text);
+	$text = preg_replace('/\<a href\=\"(.*)\."\ target\=\"\_blank\">(.*)\.\<\/a>/i', '<a href="$1" target="_blank">$2</a>.', $text);
+	$text = preg_replace('/\<a href\=\"(.*)\,"\ target\=\"\_blank\">(.*)\,\<\/a>/i', '<a href="$1" target="_blank">$2</a>,', $text);
+
+	return $text;
+}
+
 function buildPost($post, $res) {
 	$return = "";
 	$threadid = ($post['parent'] == TINYIB_NEWTHREAD) ? $post['id'] : $post['parent'];
@@ -85,6 +95,11 @@ function buildPost($post, $res) {
 		$post["omitted"] = 0;
 	}
 
+	$embed = '';
+	if ($post["file_hex"] == "YouTube" || $post["file_hex"] == "Vimeo" || $post["file_hex"] == "SoundCloud") {
+		$embed = str_replace("'", "\'", $post['file']);
+	}
+
 	if ($post["parent"] != TINYIB_NEWTHREAD) {
 		$return .= <<<EOF
 <table>
@@ -95,6 +110,24 @@ function buildPost($post, $res) {
 </td>
 <td class="reply" id="reply${post["id"]}">
 EOF;
+	} elseif ($embed != "") {
+		$return .= <<<EOF
+<span class="filesize">Embed: <a href="#" id="tiembed${post['id']}">${post["file_original"]}</a>&ndash;(${post["file_hex"]})</span>
+<br>
+<span id="thumbembed${post['id']}">
+<a href="#" id="exembed${post['id']}">
+<img src="thumb/${post["thumb"]}" alt="${post["id"]}" class="thumb opthumb" id="thumbnail${post['id']}" width="${post["thumb_width"]}" height="${post["thumb_height"]}">
+</a>
+</span>
+<div id="embed${post['id']}" class="thumb" style="display: none;"></div>
+<script type="text/javascript">
+$("#tiembed${post['id']}, #exembed${post['id']}").click(function(){
+showEmbed('${post['id']}', '$embed');
+return false;
+});
+</script>
+EOF;
+
 	} elseif ($post["file"] != "") {
 		$return .= <<<EOF
 <span class="filesize">File: <a href="src/${post["file"]}">${post["file"]}</a>&ndash;(${post["file_size_formatted"]}, ${post["image_width"]}x${post["image_height"]}, ${post["file_original"]})</span>
@@ -123,8 +156,27 @@ ${post["nameblock"]}
 </span>
 EOF;
 
-	if ($post['parent'] != TINYIB_NEWTHREAD && $post["file"] != "") {
-		$return .= <<<EOF
+	if ($post['parent'] != TINYIB_NEWTHREAD) {
+		if ($embed != "") {
+			$return .= <<<EOF
+<br>
+<span class="filesize"><a href="#" id="tiembed${post['id']}">${post['file_original']}</a>&ndash;(${post['file_hex']})</span>
+<br>
+<span id="thumbembed${post['id']}">
+<a href="#" id="exembed${post['id']}">
+		<img src="thumb/${post["thumb"]}" alt="${post["id"]}" class="thumb" id="thumbnail${post['id']}" width="${post["thumb_width"]}" height="${post["thumb_height"]}">
+</a>
+</span>
+<div id="embed${post['id']}" class="thumb" style="display: none;"></div>
+<script type="text/javascript">
+$("#tiembed${post['id']}, #exembed${post['id']}").click(function(){
+showEmbed('${post['id']}', '$embed');
+return false;
+});
+</script>
+EOF;
+		} else if ($post["file"] != "") {
+			$return .= <<<EOF
 <br>
 <span class="filesize"><a href="src/${post["file"]}">${post["file"]}</a>&ndash;(${post["file_size_formatted"]}, ${post["image_width"]}x${post["image_height"]}, ${post["file_original"]})</span>
 <br>
@@ -132,6 +184,7 @@ EOF;
 	<span id="thumb${post["id"]}"><img src="thumb/${post["thumb"]}" alt="${post["id"]}" class="thumb" width="${post["thumb_width"]}" height="${post["thumb_height"]}"></span>
 </a>
 EOF;
+		}
 	}
 
 	if ($post['parent'] == TINYIB_NEWTHREAD && $res == TINYIB_INDEXPAGE) {
@@ -212,6 +265,7 @@ EOF;
 	$reqmod_html = '';
 	$filetypes_html = '';
 	$file_input_html = '';
+	$embed_input_html = '';
 	$unique_posts_html = '';
 
 	$captcha_html = '';
@@ -249,6 +303,19 @@ EOF;
 EOF;
 	}
 
+	if (TINYIB_EMBED) {
+		$embed_input_html = <<<EOF
+					<tr>
+						<td class="postblock">
+							Embed
+						</td>
+						<td>
+							<input type="text" name="embed" size="28" accesskey="e">&nbsp;&nbsp;(paste a YouTube URL)
+						</td>
+					</tr>
+EOF;
+	}
+
 	if (TINYIB_REQMOD != 'disable') {
 		$reqmod_html = '<li>All posts' . (TINYIB_REQMOD == 'files' ? ' with a file attached' : '') . ' will be moderated before being shown.</li>';
 	}
@@ -315,6 +382,7 @@ EOF;
 					</tr>
 					$captcha_html
 					$file_input_html
+					$embed_input_html
 					<tr>
 						<td class="postblock">
 							Password

js/tinyib.js

@@ -4,55 +4,55 @@ function getCookie(name) {
 	if (parts.length == 2) return parts.pop().split(";").shift();
 }
 
-function storePassword() {
-	var newpostpassword = document.getElementById("newpostpassword");
-	if (newpostpassword) {
-		var expiration_date = new Date();
-		expiration_date.setFullYear(expiration_date.getFullYear() + 7);
-		document.cookie = "tinyib_password=" + encodeURIComponent(newpostpassword.value) + "; path=/; expires=" + expiration_date.toGMTString();
-	}
-}
-
 function quotePost(postID) {
-	var message_element = document.getElementById("message");
-	if (message_element) {
-		message_element.focus();
-		message_element.value += '>>' + postID + "\n";
-	}
+	$("#message").val('>>' + postID + "\n").focus();
 
 	return false;
 }
 
 function reloadCAPTCHA() {
-	var captcha_element = document.getElementById("captcha");
-	if (captcha_element) {
-		captcha_element.focus();
-		captcha_element.value = "";
-	}
-
-	var captchaimg_element = document.getElementById("captchaimage");
-	if (captchaimg_element) {
-		captchaimg_element.src += "#new";
-	}
+	$("#captcha").val("").focus();
+	$("#captchaimage").attr("src", $("#captchaimage").attr("src") + "#new")
 
 	return false;
 }
 
-document.addEventListener('DOMContentLoaded', function () {
-	var newpostpassword = document.getElementById("newpostpassword");
+function showEmbed(id, embedhtml){
+	if($("#thumbembed"+ id).attr('expanded') != 'true') {
+		$("#thumbembed"+ id).hide();
+		$("#embed"+ id).show();
+		$("#embed"+ id).html(embedhtml);
+		$("#thumbembed"+ id).attr('expanded', 'true');
+	}else{
+		$("#embed"+ id).hide();
+		$("#embed"+ id).html('');
+		$("#thumbembed"+ id).show();
+		$("#thumbembed"+ id).attr('expanded', 'false');
+	}
+}
+
+$(function() {
+	var newpostpassword = $("#newpostpassword");
 	if (newpostpassword) {
-		newpostpassword.addEventListener("change", storePassword);
+		newpostpassword.change(function () {
+			var newpostpassword = $("#newpostpassword");
+			if (newpostpassword) {
+				var expiration_date = new Date();
+				expiration_date.setFullYear(expiration_date.getFullYear() + 7);
+				document.cookie = "tinyib_password=" + encodeURIComponent(newpostpassword.val()) + "; path=/; expires=" + expiration_date.toGMTString();
+			}
+		});
 	}
 
 	var password = getCookie("tinyib_password");
 	if (password && password != "") {
 		if (newpostpassword) {
-			newpostpassword.value = password;
+			newpostpassword.val(password);
 		}
 
-		var deletepostpassword = document.getElementById("deletepostpassword");
+		var deletepostpassword = $("#deletepostpassword");
 		if (deletepostpassword) {
-			deletepostpassword.value = password;
+			deletepostpassword.val(password);
 		}
 	}
 

settings.default.php

@@ -29,10 +29,11 @@ define('TINYIB_DELAY', 30);           // Delay (in seconds) between posts from t
 define('TINYIB_MAXTHREADS', 100);     // Oldest threads are discarded when the thread count passes this limit  [0 to disable]
 define('TINYIB_MAXREPLIES', 0);       // Maximum replies before a thread stops bumping  [0 to disable]
 
-// File types
+// Upload types
 define('TINYIB_PIC', true);           // Enable .jpg, .png and .gif image file upload
 define('TINYIB_SWF', false);          // Enable .swf Flash file upload
 define('TINYIB_WEBM', false);         // Enable .weba and .webm audio/video file upload  (see README for instructions)
+define('TINYIB_EMBED', false);        // Enable embedding  (e.g. YouTube, Vimeo, SoundCloud)
 
 // File control
 define('TINYIB_MAXKB', 2048);         // Maximum file size in kilobytes  [0 to disable]