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process.php
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process.php
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<?php
include_once "config.php";
if (trim($admin_username)) {
if (!isset($_SERVER['PHP_AUTH_USER'])) {
header('WWW-Authenticate: Basic realm="' . $rssTitle . '"');
header('HTTP/1.0 401 Unauthorized');
echo 'Too bad';
exit;
} else {
if (!(($admin_username==$_SERVER['PHP_AUTH_USER']) && ($admin_password==$_SERVER['PHP_AUTH_PW']))) exit;
}
}
include 'Dropbox/Dropbox/autoload.php';
include_once "Markdown/markdown.php";
$oauth = new Dropbox_OAuth_PHP($consumerKey, $consumerSecret);
$dropbox = new Dropbox_API($oauth);
$tokens = $dropbox->getToken($dbUsername, $dbPassword);
$oauth->setToken($tokens);
$a_images = array();
$a_files = array();
session_start();
function getListOfPosts() {
global $blogDir;
global $dropbox;
global $a_images;
global $a_files;
$a_metadata = $dropbox->getMetaData($blogDir, true);
$a_ret = array();
foreach ($a_metadata['contents'] as $metadata) {
$item = $metadata['path'];
$ts = strtotime($metadata['modified']);
$a_ret []= array("path" => $item, "ts" => $ts, "size" => $metadata['bytes']);
if (stristr($item, ".jpg")) $a_images []= basename($item);
elseif (!stristr($item, ".mdown")) $a_files []= basename($item);
}
return $a_ret;
}
function mdbHash($filename) {
return md5($filename);
}
function downloadFilesAndTransform(&$list) {
global $dropbox;
global $a_images;
global $a_files;
global $rssLink;
$a_map = array();
if ($handle = opendir('content')) {
while (false !== ($file = readdir($handle))) {
if (($file==".") || ($file=="..")) continue;
// Check if file is still in the dropbox
$filenameSrv = basename($file);
$found = false;
foreach ($list as $item) {
$filenameDb = basename($item['path']);
if ($filenameDb == $filenameSrv) $found = true;
if (basename($filenameDb, ".mdown")==basename($filenameSrv, ".html")) $found = true;
if (stristr($filenameSrv, "_thumb.jpg")) {
// filename is a thumb --> check if the original file still exists
$filenameSrvReal = str_replace("_thumb.jpg", ".jpg", $filenameSrv);
if ($filenameDb == $filenameSrvReal) $found = true;
}
}
// Remove files that are on your server but not in the dropbox
if ((!$found) && (!stristr($file, "-ignore"))) {
echo "...Deleting " . $file . "<br/>\n";
unlink("content/" . basename($file));
$filename = basename($file);
unset($a_map[$filename]);
unset($a_map[mdbHash($filename)]);
}
if (stristr($file, "-ignore")) {
// file might not be in dropbox
if (!in_array(basename($file), $a_files)) $a_files []= basename($file);
}
}
closedir($handle);
}
foreach ($list as &$item) {
$filename = basename($item['path']);
if (stristr($filename, ".mdown")) $filename = basename($filename, ".mdown") . ".html";
$a_map[$filename] = mdbHash($filename);
$a_map[mdbHash($filename)] = $filename;
$item['id'] = mdbHash($filename);
if (stristr($item['path'], ".mdown")) {
echo "...Downloading " . $item['path'] . "<br/>\n";
$filename = "content/" . basename($item['path'], ".mdown") . ".html";
$mdown = $dropbox->getFile($item['path']);
$lines = explode("\n", $mdown);
$firstLine = $lines[0];
$a_config = array();
if (substr($firstLine, 0, 2)=="::") {
// :: Syntax allows configuration
$config = substr($firstLine, 2);
$configValues = explode(",", $config);
foreach ($configValues as $configValue) {
$kv = explode("=>", $configValue);
$a_config[strtolower($kv[0])] = $kv[1];
}
// do other stuff
$mdown = str_replace($firstLine, "", $mdown);
}
// replace local images with thumbnails in sourcecode
foreach ($a_images as $image) {
$imLink = "($image)";
$imFilename = str_replace(".jpg", "_thumb.jpg", $image);
$newImLink = "(" . $rssLink . "/content/" . $imFilename .")";
$mdown = str_replace($imLink, $newImLink, $mdown);
}
// replace local files with real path
foreach ($a_files as $file) {
$fLink1 = "($file)";
$newfLink1 = "($rssLink/content/$file)";
$mdown = str_replace($fLink1, $newfLink1, $mdown);
$fLink2 = "<$file>";
$newFlink2 = "<$rssLink/content/$file>";
$mdown = str_replace($fLink2, $newFlink2, $mdown);
}
$html = Markdown($mdown);
$searchH1 = "/<h1>.*<\/h1>/";
$a_matchesH1 = array();
preg_match($searchH1, $html, $a_matchesH1);
$title = strip_tags($a_matchesH1[0]);
$html = "<title>" . $title . "</title>\r\n" . $html;
// parse config array
foreach ($a_config as $key => $value) {
if ($key == "pretty") {
$a_map[$value] = basename($item['path'], ".mdown") . ".html";
$item['id'] = $value;
}
if ($key == "author") {
$item['author'] = $value;
}
}
file_put_contents($filename, $html);
}
else if (!stristr($item['path'], "-ignore")) {
$filename = "content/" . basename($item['path']);
if (!(file_exists($filename) && (filesize($filename)==$item['size']))) {
// file changed
echo "...Downloading " . $item['path'] . "<br/>\n";
file_put_contents($filename, $dropbox->getFile($item['path']));
// check if thumbnail needs to be created
if (stristr($filename, ".jpg")) {
createThumbnail($filename);
}
}
}
}
file_put_contents("content/map.json", json_encode($a_map));
}
function createThumbnail($origImageFile) {
global $thumbWidth;
// load image and get image size
$img = imagecreatefromjpeg($origImageFile);
$width = imagesx( $img );
$height = imagesy( $img );
// calculate thumbnail size
$new_width = $thumbWidth;
$new_height = floor( $height * ( $thumbWidth / $width ) );
// create a new temporary image
$tmp_img = imagecreatetruecolor( $new_width, $new_height );
// copy and resize old image into new image
imagecopyresized( $tmp_img, $img, 0, 0, 0, 0, $new_width, $new_height, $width, $height );
// save thumbnail into a file
$thumbFile = str_replace(".jpg", "_thumb.jpg", $origImageFile);
echo "...Creating thumbnail $thumbFile <br/>\n";
imagejpeg( $tmp_img, $thumbFile );
}
function createRssFromList($list) {
uasort($list, "cmpEntries");
global $rssTitle;
global $rssLink;
global $rssDesc;
global $rssLang;
$rssfeed = '<?xml version="1.0" encoding="UTF-8"?>' . "\r\n";
$rssfeed .= '<rss version="2.0">' . "\r\n";
$rssfeed .= "\t". '<channel>' . "\r\n";
$rssfeed .= "\t\t". '<title>' . $rssTitle . '</title>' . "\r\n";
$rssfeed .= "\t\t".'<link>'. $rssLink .'</link>' . "\r\n";
$rssfeed .= "\t\t".'<description>' . $rssDesc . '</description>' . "\r\n";
$rssfeed .= "\t\t".'<language>' . $rssLang . '</language>' . "\r\n";
foreach ($list as $item) {
$filename = "content/" . basename($item['path'], ".mdown") . ".html";
if (stristr($filename, "published")) {
$content = file_get_contents($filename);
$searchH1 = "/<h1>.*<\/h1>/";
$a_matchesH1 = array();
preg_match($searchH1, $content, $a_matchesH1);
$title = strip_tags($a_matchesH1[0]);
$searchP = "/<p\b[^>]*>(.*?)<\/p>/msi";
$a_matchesP = array();
preg_match($searchP, $content, $a_matchesP);
$description = strip_tags($a_matchesP[0]);
$link = $rssLink . "/index.php#!" . $item['id'];
$rssfeed .= "\t\t\t". '<item>' . "\r\n";
$rssfeed .= "\t\t\t".'<title>' . $title . '</title>' . "\r\n";
$rssfeed .= "\t\t\t".'<description>' . $description . '</description>' . "\r\n";
$rssfeed .= "\t\t\t".'<link>' . $link . '</link>' . "\r\n";
$rssfeed .= "\t\t\t<guid isPermaLink='false'>" . $item['id'] . "</guid>\r\n";
$rssfeed .= "\t\t\t".'<pubDate>' . date("D, d M Y H:i:s O", $item['ts']) . '</pubDate>' . "\r\n";
if ($item['author']) {
$rssfeed .= "\t\t\t<author>" . $item['author'] . "</author>\r\n";
}
$rssfeed .= "\t\t\t".'</item>' . "\r\n\r\n";
}
}
$rssfeed .= "\t".'</channel>' . "\r\n";
$rssfeed .= '</rss>' . "\r\n";
file_put_contents("content/feed.rss", $rssfeed);
}
function cmpEntries($a, $b) {
if ($a['ts'] == $b['ts']) return 0;
else return ($a['ts'] > $b['ts']) ? -1 : 1;
}
function generateSitemapTxt($list) {
global $rssLink;
$sitemap = "$rssLink/\r\n";
foreach ($list as $item) {
if (stristr($item['path'], "-published.mdown") || stristr($item['path'], '-google.mdown')) {
// only put public markdown articles into sitemap
$sitemap .= $rssLink . "/index.php#!" . $item['id'] . "\r\n";
}
}
file_put_contents("content/sitemap-xml.txt", $sitemap);
}
echo "1. Getting all posts<br/>\n";
$list = getListOfPosts();
echo "2. Downloading posts and transforming them<br/>\n";
downloadFilesAndTransform($list);
echo "3. Creating RSS<br/>\n";
createRssFromList($list);
echo "4. Creating TXT-Sitemap<br/>\n";
generateSitemapTxt($list);
?>