index.php

<?php

session_start();

/*-----------------------------------------------------------------------------------*/
/* If There's a Config Exists, Continue
/*-----------------------------------------------------------------------------------*/

if (file_exists('./config.php')) {

/*-----------------------------------------------------------------------------------*/
/* Get Settings & Functions
/*-----------------------------------------------------------------------------------*/

include('./dropplets/settings.php');
include('./dropplets/functions.php');

/*-----------------------------------------------------------------------------------*/
/* Reading File Names
/*-----------------------------------------------------------------------------------*/

$category = NULL;
if (empty($_GET['filename'])) {
    $filename = NULL;
} else if($_GET['filename'] == 'rss' || $_GET['filename'] == 'atom') {
    $filename = $_GET['filename'];
}  else {
    
    //Filename can be /some/blog/post-filename.md We should get the last part only
    $filename = explode('/',$_GET['filename']);

    // File name could be the name of a category
    if($filename[count($filename) - 2] == "category") {
        $category = $filename[count($filename) - 1];
        $filename = null;
    } else {
      
        // Individual Post
        $filename = POSTS_DIR . $filename[count($filename) - 1] . FILE_EXT;
    }
}

/*-----------------------------------------------------------------------------------*/
/* The Home Page (All Posts)
/*-----------------------------------------------------------------------------------*/

if ($filename==NULL) {

    $page = (isset($_GET['page']) && is_numeric($_GET['page']) && $_GET['page'] > 1) ? $_GET['page'] : 1;
    $offset = ($page == 1) ? 0 : ($page - 1) * $posts_per_page;

    //Index page cache file name, will be used if index_cache = "on"

    $cachefile = CACHE_DIR . ($category ? $category : "index") .$page. '.html';

    //If index cache file exists, serve it directly wihout getting all posts
    if (file_exists($cachefile) && $index_cache != 'off') {

        // Get the cached post.
        include $cachefile;
        exit;

    // If there is a file for the selected permalink, display and cache the post.
    }

    if($category) {
        $all_posts = get_posts_for_category($category);
    } else {
        $all_posts = get_all_posts();
    }

    $pagination = ($pagination_on_off != "off") ? get_pagination($page,round(count($all_posts)/ $posts_per_page)) : "";
    define('PAGINATION', $pagination);
    $posts = ($pagination_on_off != "off") ? array_slice($all_posts,$offset,($posts_per_page > 0) ? $posts_per_page : null) : $all_posts;

    if($posts) {
        ob_start();
        $content = '';
        foreach($posts as $post) {

            // Get the post title.
            $post_title = str_replace(array("\n",'<h1>','</h1>'), '', $post['post_title']);

            // Get the post author.
            $post_author = $post['post_author'];

            // Get the post author twitter id.
            $post_author_twitter = $post['post_author_twitter'];

            // Get the published ISO date.
            $published_iso_date = $post['post_date'];

            // Generate the published date.
            $published_date = date_format(date_create($published_iso_date), $date_format);

            // Get the post category.
            $post_category = $post['post_category'];
            
            // Get the post category link.
            $post_category_link = $blog_url.'category/'.urlencode(trim(strtolower($post_category)));

            // Get the post status.
            $post_status = $post['post_status'];

            // Get the post intro.
            $post_intro = $post['post_intro'];

            // Get the post content
            $post_content = $post['post_content'];

            // Get the post link.
            if ($category) {
                $post_link = trim(strtolower($post_category)).'/'.str_replace(FILE_EXT, '', $post['fname']);
            } else {
                $post_link = $blog_url.str_replace(FILE_EXT, '', $post['fname']);
            }

            // Get the post image url.
            $image = str_replace(array(FILE_EXT), '', POSTS_DIR.$post['fname']).'.jpg';

            if (file_exists($image)) {
                $post_image = $blog_url.str_replace(array(FILE_EXT, './'), '', POSTS_DIR.$post['fname']).'.jpg';
            } else {
                $post_image = get_twitter_profile_img($post_author_twitter);
            }
            
            if ($post_status == 'draft') continue;

            // Get the milti-post template file.
            include $posts_file;
        }
        echo $content;
        $content = ob_get_contents();

        // Get the site title
        $page_title = $blog_title;

        $blog_image = 'https://api.twitter.com/1/users/profile_image?screen_name='.$blog_twitter.'&size=bigger';

        // Get the page description and author meta.
        $get_page_meta[] = '<meta name="description" content="' . $meta_description . '">';
        $get_page_meta[] = '<meta name="author" content="' . $blog_title . '">';

        // Get the Twitter card.
        $get_page_meta[] = '<meta name="twitter:card" content="summary">';
        $get_page_meta[] = '<meta name="twitter:site" content="' . $blog_twitter . '">';
        $get_page_meta[] = '<meta name="twitter:title" content="' . $blog_title . '">';
        $get_page_meta[] = '<meta name="twitter:description" content="' . $meta_description . '">';
        $get_page_meta[] = '<meta name="twitter:creator" content="' . $blog_twitter . '">';
        $get_page_meta[] = '<meta name="twitter:image:src" content="' . $blog_image . '">';
        $get_page_meta[] = '<meta name="twitter:domain" content="' . $blog_url . '">';

        // Get the Open Graph tags.
        $get_page_meta[] = '<meta property="og:type" content="website">';
        $get_page_meta[] = '<meta property="og:title" content="' . $blog_title . '">';
        $get_page_meta[] = '<meta property="og:site_name" content="' . $blog_title . '">';
        $get_page_meta[] = '<meta property="og:url" content="' .$blog_url . '">';
        $get_page_meta[] = '<meta property="og:description" content="' . $meta_description . '">';
        $get_page_meta[] = '<meta property="og:image" content="' . $blog_image . '">';

        // Get all page meta.
        $page_meta = implode("\n", $get_page_meta);

        ob_end_clean();
    } else {
        ob_start();

        // Define the site title.
        $page_title = $error_title;
        $page_meta = '';

        // Get the 404 page template.
        include $not_found_file;

        //Get the contents
        $content = ob_get_contents();

        //Flush the buffer so that we dont get the page 2x times
        ob_end_clean();
    }
        ob_start();

        // Get the index template file.
        include_once $index_file;

        //Now that we have the whole index page generated, put it in cache folder
        if ($index_cache != 'off') {
            $fp = fopen($cachefile, 'w');
            fwrite($fp, ob_get_contents());
            fclose($fp);
        }
    }

/*-----------------------------------------------------------------------------------*/
/* RSS Feed
/*-----------------------------------------------------------------------------------*/

else if ($filename == 'rss' || $filename == 'atom') {
    ($filename=='rss') ? $feed = new FeedWriter(RSS2) : $feed = new FeedWriter(ATOM);

    $feed->setTitle($blog_title);
    $feed->setLink($blog_url);

    if($filename=='rss') {
        $feed->setDescription($meta_description);
        $feed->setChannelElement('language', $language);
        $feed->setChannelElement('pubDate', date(DATE_RSS, time()));
    } else {
        $feed->setChannelElement('author', $blog_title.' - ' . $blog_email);
        $feed->setChannelElement('updated', date(DATE_RSS, time()));
    }

    $posts = get_all_posts();

    if($posts) {
        $c=0;
        foreach($posts as $post) {
            if($c<$feed_max_items) {
                $item = $feed->createNewItem();

                // Remove HTML from the RSS feed.
                $item->setTitle(substr($post['post_title'], 4, -6));
                $item->setLink(rtrim($blog_url, '/').'/'.str_replace(FILE_EXT, '', $post['fname']));
                $item->setDate($post['post_date']);

                // Remove Meta from the RSS feed.
				$remove_metadata_from = file(rtrim(POSTS_DIR, '/').'/'.$post['fname']);

                if($filename=='rss') {
                    $item->addElement('author', str_replace('-', '', $remove_metadata_from[1]).' - ' . $blog_email);
                    $item->addElement('guid', rtrim($blog_url, '/').'/'.str_replace(FILE_EXT, '', $post['fname']));
                }

				// Remove the metadata from the RSS feed.
				unset($remove_metadata_from[0], $remove_metadata_from[1], $remove_metadata_from[2], $remove_metadata_from[3], $remove_metadata_from[4], $remove_metadata_from[5]);
				$remove_metadata_from = array_values($remove_metadata_from);

                $item->setDescription(Markdown(implode($remove_metadata_from)));

                $feed->addItem($item);
                $c++;
            }
        }
    }
    $feed->genarateFeed();
}

/*-----------------------------------------------------------------------------------*/
/* Single Post Pages
/*-----------------------------------------------------------------------------------*/

else {
    ob_start();

    // Define the post file.
    $fcontents = file($filename);
    $slug_array = explode("/", $filename);
    $slug_len = count($slug_array);

    // This was hardcoded array index, it should always return the last index.
    $slug = str_replace(array(FILE_EXT), '', $slug_array[$slug_len - 1]);

    // Define the cached file.
    $cachefile = CACHE_DIR.$slug.'.html';

    // If there's no file for the selected permalink, grab the 404 page template.
    if (!file_exists($filename)) {

        //Change the cache file to 404 page.
        $cachefile = CACHE_DIR.'404.html';

        // Define the site title.
        $page_title = $error_title;

        // Get the 404 page template.
        include $not_found_file;

        // Get the contents.
        $content = ob_get_contents();

        // Flush the buffer so that we dont get the page 2x times.
        ob_end_clean();

        // Start new buffer.
        ob_start();

	      // Get the index template file.
        include_once $index_file;

        // Cache the post on if caching is turned on.
        if ($post_cache != 'off')
        {
            $fp = fopen($cachefile, 'w');
            fwrite($fp, ob_get_contents());
            fclose($fp);
        }

    // If there is a cached file for the selected permalink, display the cached post.
    } else if (file_exists($cachefile)) {

        // Define site title
        $page_title = str_replace('# ', '', $fcontents[0]);

        // Get the cached post.
        include $cachefile;

        exit;

    // If there is a file for the selected permalink, display and cache the post.
    } else {

        // Get the post title.
        $post_title = Markdown($fcontents[0]);
        $post_title = str_replace(array("\n",'<h1>','</h1>'), '', $post_title);

        // Get the post intro.
        $post_intro = htmlspecialchars($fcontents[7]);

        // Get the post author.
        $post_author = str_replace(array("\n", '-'), '', $fcontents[1]);

        // Get the post author Twitter ID.
        $post_author_twitter = str_replace(array("\n", '- '), '', $fcontents[2]);

        // Get the published date.
        $published_iso_date = str_replace('-', '', $fcontents[3]);

        // Generate the published date.
        $published_date = date_format(date_create($published_iso_date), $date_format);

        // Get the post category.
        $post_category = str_replace(array("\n", '-'), '', $fcontents[4]);
        
        // Get the post status.
        $post_status = str_replace(array("\n", '- '), '', $fcontents[5]);
        
        // Get the post category link.
        $post_category_link = $blog_url.'category/'.urlencode(trim(strtolower($post_category)));

        // Get the post link.
        $post_link = $blog_url.str_replace(array(FILE_EXT, POSTS_DIR), '', $filename);

        // Get the post image url.
        $image = str_replace(array(FILE_EXT), '', $filename).'.jpg';

        if (file_exists($image)) {
            $post_image = $blog_url.str_replace(array(FILE_EXT, './'), '', $filename).'.jpg';
        } else {
            $post_image = get_twitter_profile_img($post_author_twitter);
        }
        
        // Get the post content
        $file_array = file($filename);
        
        unset($file_array[0]);
        unset($file_array[1]);
        unset($file_array[2]);
        unset($file_array[3]);
        unset($file_array[4]);
        unset($file_array[5]);
        unset($file_array[6]);
        
        $post_content = Markdown(implode("", $file_array));
                
        // Get the site title.
        $page_title = str_replace('# ', '', $fcontents[0]);

        // Generate the page description and author meta.
        $get_page_meta[] = '<meta name="description" content="' . $post_intro . '">';
        $get_page_meta[] = '<meta name="author" content="' . $post_author . '">';

        // Generate the Twitter card.
        $get_page_meta[] = '<meta name="twitter:card" content="summary">';
        $get_page_meta[] = '<meta name="twitter:site" content="' . $blog_twitter . '">';
        $get_page_meta[] = '<meta name="twitter:title" content="' . $page_title . '">';
        $get_page_meta[] = '<meta name="twitter:description" content="' . $post_intro  . '">';
        $get_page_meta[] = '<meta name="twitter:creator" content="' . $post_author_twitter . '">';
        $get_page_meta[] = '<meta name="twitter:image:src" content="' . $post_image . '">';
        $get_page_meta[] = '<meta name="twitter:domain" content="' . $post_link . '">';

        // Get the Open Graph tags.
        $get_page_meta[] = '<meta property="og:type" content="article">';
        $get_page_meta[] = '<meta property="og:title" content="' . $page_title . '">';
        $get_page_meta[] = '<meta property="og:site_name" content="' . $page_title . '">';
        $get_page_meta[] = '<meta property="og:url" content="' . $post_link . '">';
        $get_page_meta[] = '<meta property="og:description" content="' . $post_intro . '">';
        $get_page_meta[] = '<meta property="og:image" content="' . $post_image . '">';

        // Generate all page meta.
        $page_meta = implode("\n", $get_page_meta);

        // Generate the post.
        $post = Markdown(join('', $fcontents));

        // Get the post template file.
        include $post_file;

        $content = ob_get_contents();
        ob_end_clean();
        ob_start();

        // Get the index template file.
        include_once $index_file;

        // Cache the post on if caching is turned on.
        if ($post_cache != 'off')
        {
            $fp = fopen($cachefile, 'w');
            fwrite($fp, ob_get_contents());
            fclose($fp);
        }
    }
}

/*-----------------------------------------------------------------------------------*/
/* Run Setup if No Config
/*-----------------------------------------------------------------------------------*/

} else {
    // Get the components of the current url.
    $protocol = @( $_SERVER["HTTPS"] != 'on') ? 'http://' : 'https://';
    $domain = $_SERVER["SERVER_NAME"];
    $port = $_SERVER["SERVER_PORT"];
    $path = $_SERVER["REQUEST_URI"];

    // Check if running on alternate port.
    if ($protocol === "https://") {
        if ($port === 443)
            $url = $protocol . $domain;
        else
            $url = $protocol . $domain . ":" . $port;
    } elseif ($protocol === "http://") {
        if ($port === 80)
            $url = $protocol . $domain;
        else
            $url = $protocol . $domain . ":" . $port;
    }

    $url .= $path;
    
    // Check if the install directory is writable.
    $is_writable = (TRUE == is_writable(dirname(__FILE__) . '/'));
    ?>

    <!DOCTYPE html>
    <html>
        <head>
            <meta charset="utf-8" />
            <title>Let's Get Started</title>
            <link rel="stylesheet" href="./dropplets/style/style.css" />
            <link href='http://fonts.googleapis.com/css?family=Lato:100,300' rel='stylesheet' type='text/css'>
            <link href='http://fonts.googleapis.com/css?family=Source+Sans+Pro:200,300,400' rel='stylesheet' type='text/css'>
            <link rel="shortcut icon" href="./dropplets/style/images/favicon.png">
        </head>

        <body class="dp-install">
            <form method="POST" action="./dropplets/save.php">
                <a class="dp-icon-dropplets" href="http://dropplets.com" target="_blank"></a>
                
                <h2>Install Dropplets</h2>
                <p>Welcome to an easier way to blog.</p>
                
                <input type="password" name="password" id="password" required placeholder="Choose Your Password">
                <input type="password" name="password-confirmation" id="password-confirmation" required placeholder="Confirm Your Password" onblur="confirmPass()">

                <input hidden type="text" name="blog_email" id="blog_email" value="hi@dropplets.com">
                <input hidden type="text" name="blog_twitter" id="blog_twitter" value="dropplets">
                <input hidden type="text" name="blog_url" id="blog_url" value="<?php echo($url) ?><?php if ($url == $domain) { ?>/<?php } ?>">
                <input hidden type="text" name="template" id="template" value="simple">
                <input hidden type="text" name="blog_title" id="blog_title" value="Welcome to Dropplets">
                <textarea hidden name="meta_description" id="meta_description"></textarea>
                <input hidden type="text" name="intro_title" id="intro_title" value="Welcome to Dropplets">
                <textarea hidden name="intro_text" id="intro_text">In a flooded selection of overly complex solutions, Dropplets has been created in order to deliver a much needed alternative. There is something to be said about true simplicity in the design, development and management of a blog. By eliminating all of the unnecessary elements found in typical solutions, Dropplets can focus on pure design, typography and usability. Welcome to an easier way to blog.</textarea>

    		    <button type="submit" name="submit" value="submit">k</button>
    		</form>
                
            <?php if (!$is_writable) { ?>
                <p style="color:red;">It seems that your config folder is not writable, please add the necessary permissions.</p>
            <?php } ?>

            <script>
            	function confirmPass() {
            		var pass = document.getElementById("password").value
            		var confPass = document.getElementById("password-confirmation").value
            		if(pass != confPass) {
            			alert('Your passwords do not match!');
            		}
            	}
            </script>
        </body>
    </html>
<?php 

/*-----------------------------------------------------------------------------------*/
/* That's All There is to It
/*-----------------------------------------------------------------------------------*/

}