require_once 'application/HttpUtils.php';
require_once 'application/LinkDB.php';
require_once 'application/LinkFilter.php';
+require_once 'application/LinkUtils.php';
require_once 'application/TimeZone.php';
require_once 'application/Url.php';
require_once 'application/Utils.php';
return date('c',linkdate2timestamp($linkdate)); // 'c' is for ISO 8601 date format.
}
-// Extract title from an HTML document.
-// (Returns an empty string if not found.)
-function html_extract_title($html)
-{
- return preg_match('!<title>(.*?)</title>!is', $html, $matches) ? trim(str_replace("\n",' ', $matches[1])) : '' ;
-}
-
// ------------------------------------------------------------------------------------------
// Token management for XSRF protection
// Token should be used in any form which acts on data (create,update,delete,import...).
// -------- User want to post a new link: Display link edit form.
if (isset($_GET['post'])) {
- $url = cleanup_url($_GET['post']);
+ $url = cleanup_url(escape($_GET['post']));
$link_is_new = false;
// Check if URL is not already in database (in this case, we will edit the existing link)
// If this is an HTTP(S) link, we try go get the page to extract the title (otherwise we will to straight to the edit form.)
if (empty($title) && strpos(get_url_scheme($url), 'http') !== false) {
// Short timeout to keep the application responsive
- list($headers, $data) = get_http_url($url, 4);
- // FIXME: Decode charset according to specified in either 1) HTTP response headers or 2) <head> in html
+ list($headers, $content) = get_http_response($url, 4);
if (strpos($headers[0], '200 OK') !== false) {
- // Look for charset in html header.
- preg_match('#<meta .*charset=.*>#Usi', $data, $meta);
-
- // If found, extract encoding.
- if (!empty($meta[0])) {
- // Get encoding specified in header.
- preg_match('#charset="?(.*)"#si', $meta[0], $enc);
- // If charset not found, use utf-8.
- $html_charset = (!empty($enc[1])) ? strtolower($enc[1]) : 'utf-8';
- }
- else {
- $html_charset = 'utf-8';
- }
-
- // Extract title
- $title = html_extract_title($data);
- if (!empty($title)) {
- // Re-encode title in utf-8 if necessary.
- $title = ($html_charset == 'iso-8859-1') ? utf8_encode($title) : $title;
+ // Retrieve charset.
+ $charset = get_charset($headers, $content);
+ // Extract title.
+ $title = html_extract_title($content);
+ // Re-encode title in utf-8 if necessary.
+ if (! empty($title) && $charset != 'utf-8') {
+ $title = mb_convert_encoding($title, $charset, 'utf-8');
}
}
}
+
if ($url == '') {
$url = '?' . smallHash($linkdate);
$title = 'Note: ';
}
+
$link = array(
'linkdate' => $linkdate,
'title' => $title,
else // This is a flickr page (html)
{
// Get the flickr html page.
- list($headers, $data) = get_http_url($url, 20);
+ list($headers, $content) = get_http_response($url, 20);
if (strpos($headers[0], '200 OK') !== false)
{
// flickr now nicely provides the URL of the thumbnail in each flickr page.
- preg_match('!<link rel=\"image_src\" href=\"(.+?)\"!',$data,$matches);
+ preg_match('!<link rel=\"image_src\" href=\"(.+?)\"!', $content, $matches);
if (!empty($matches[1])) $imageurl=$matches[1];
// In albums (and some other pages), the link rel="image_src" is not provided,
// <meta property="og:image" content="http://farm4.staticflickr.com/3398/3239339068_25d13535ff_z.jpg" />
if ($imageurl=='')
{
- preg_match('!<meta property=\"og:image\" content=\"(.+?)\"!',$data,$matches);
+ preg_match('!<meta property=\"og:image\" content=\"(.+?)\"!', $content, $matches);
if (!empty($matches[1])) $imageurl=$matches[1];
}
}
if ($imageurl!='')
{ // Let's download the image.
// Image is 240x120, so 10 seconds to download should be enough.
- list($headers, $data) = get_http_url($imageurl, 10);
+ list($headers, $content) = get_http_response($imageurl, 10);
if (strpos($headers[0], '200 OK') !== false) {
- file_put_contents($GLOBALS['config']['CACHEDIR'].'/'.$thumbname,$data); // Save image to cache.
+ // Save image to cache.
+ file_put_contents($GLOBALS['config']['CACHEDIR'].'/' . $thumbname, $content);
header('Content-Type: image/jpeg');
- echo $data;
+ echo $content;
return;
}
}
// This is more complex: we have to perform a HTTP request, then parse the result.
// Maybe we should deport this to JavaScript ? Example: http://stackoverflow.com/questions/1361149/get-img-thumbnails-from-vimeo/4285098#4285098
$vid = substr(parse_url($url,PHP_URL_PATH),1);
- list($headers, $data) = get_http_url('https://vimeo.com/api/v2/video/'.escape($vid).'.php', 5);
+ list($headers, $content) = get_http_response('https://vimeo.com/api/v2/video/'.escape($vid).'.php', 5);
if (strpos($headers[0], '200 OK') !== false) {
- $t = unserialize($data);
+ $t = unserialize($content);
$imageurl = $t[0]['thumbnail_medium'];
// Then we download the image and serve it to our client.
- list($headers, $data) = get_http_url($imageurl, 10);
+ list($headers, $content) = get_http_response($imageurl, 10);
if (strpos($headers[0], '200 OK') !== false) {
- file_put_contents($GLOBALS['config']['CACHEDIR'].'/'.$thumbname,$data); // Save image to cache.
+ // Save image to cache.
+ file_put_contents($GLOBALS['config']['CACHEDIR'] . '/' . $thumbname, $content);
header('Content-Type: image/jpeg');
- echo $data;
+ echo $content;
return;
}
}
// The thumbnail for TED talks is located in the <link rel="image_src" [...]> tag on that page
// http://www.ted.com/talks/mikko_hypponen_fighting_viruses_defending_the_net.html
// <link rel="image_src" href="http://images.ted.com/images/ted/28bced335898ba54d4441809c5b1112ffaf36781_389x292.jpg" />
- list($headers, $data) = get_http_url($url, 5);
+ list($headers, $content) = get_http_response($url, 5);
if (strpos($headers[0], '200 OK') !== false) {
// Extract the link to the thumbnail
- preg_match('!link rel="image_src" href="(http://images.ted.com/images/ted/.+_\d+x\d+\.jpg)"!',$data,$matches);
+ preg_match('!link rel="image_src" href="(http://images.ted.com/images/ted/.+_\d+x\d+\.jpg)"!', $content, $matches);
if (!empty($matches[1]))
{ // Let's download the image.
$imageurl=$matches[1];
// No control on image size, so wait long enough
- list($headers, $data) = get_http_url($imageurl, 20);
+ list($headers, $content) = get_http_response($imageurl, 20);
if (strpos($headers[0], '200 OK') !== false) {
$filepath=$GLOBALS['config']['CACHEDIR'].'/'.$thumbname;
- file_put_contents($filepath,$data); // Save image to cache.
+ file_put_contents($filepath, $content); // Save image to cache.
if (resizeImage($filepath))
{
header('Content-Type: image/jpeg');
// There is no thumbnail available for xkcd comics, so download the whole image and resize it.
// http://xkcd.com/327/
// <img src="http://imgs.xkcd.com/comics/exploits_of_a_mom.png" title="<BLABLA>" alt="<BLABLA>" />
- list($headers, $data) = get_http_url($url, 5);
+ list($headers, $content) = get_http_response($url, 5);
if (strpos($headers[0], '200 OK') !== false) {
// Extract the link to the thumbnail
- preg_match('!<img src="(http://imgs.xkcd.com/comics/.*)" title="[^s]!',$data,$matches);
+ preg_match('!<img src="(http://imgs.xkcd.com/comics/.*)" title="[^s]!', $content, $matches);
if (!empty($matches[1]))
{ // Let's download the image.
$imageurl=$matches[1];
// No control on image size, so wait long enough
- list($headers, $data) = get_http_url($imageurl, 20);
+ list($headers, $content) = get_http_response($imageurl, 20);
if (strpos($headers[0], '200 OK') !== false) {
$filepath=$GLOBALS['config']['CACHEDIR'].'/'.$thumbname;
- file_put_contents($filepath,$data); // Save image to cache.
+ // Save image to cache.
+ file_put_contents($filepath, $content);
if (resizeImage($filepath))
{
header('Content-Type: image/jpeg');
{
// For all other domains, we try to download the image and make a thumbnail.
// We allow 30 seconds max to download (and downloads are limited to 4 Mb)
- list($headers, $data) = get_http_url($url, 30);
+ list($headers, $content) = get_http_response($url, 30);
if (strpos($headers[0], '200 OK') !== false) {
$filepath=$GLOBALS['config']['CACHEDIR'].'/'.$thumbname;
- file_put_contents($filepath,$data); // Save image to cache.
+ // Save image to cache.
+ file_put_contents($filepath, $content);
if (resizeImage($filepath))
{
header('Content-Type: image/jpeg');
projects / github / shaarli / Shaarli.git / blobdiff