Projet-Autoblog/0.1/index.php
Mitsukarenai c7d99f6402 new file: 0.1/README.md
new file:   0.1/index.php
	new file:   0.1/vvb.ini
	new file:   0.2/README.md
	renamed:    autoblog.php -> 0.2/autoblog.php
	renamed:    automicroblog.php -> 0.2/automicroblog.php
	renamed:    config.php -> 0.2/config.php
	renamed:    _experimental/icon-logo.svg -> 0.2/icon-logo.svg
	renamed:    index.php -> 0.2/index.php
	renamed:    xsaf2.php -> 0.2/xsaf2.php
	new file:   0.3-beta/README.md
	renamed:    _experimental/autoblog-0.3.php -> 0.3-beta/autoblog.php
	renamed:    _experimental/config.php -> 0.3-beta/config.php
	renamed:    icon-logo.svg -> 0.3-beta/icon-logo.svg
	renamed:    _experimental/index.php -> 0.3-beta/index.php
	renamed:    _experimental/xsaf3.php -> 0.3-beta/xsaf3.php
	deleted:    README.md
	deleted:    _experimental/README.md
MAJOR reorga, ajout Projets Autoblog 0.1 et 0.2
2013-02-12 11:49:22 +01:00

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<?php
/* VroumVroumBlog 0.1.32
This blog automatically publishes articles from an external RSS 2.0, RSS 1.0/RDF or ATOM feed.
For more information, see: http://sebsauvage.net/steisand.me/
This program is public domain. COPY COPY COPY !
*/
// ==================================================================================================
// Settings:
error_reporting(0); // Fail silentely.
if (!get_cfg_var('safe_mode')) { set_time_limit(240); } // More time to download (images, source feed)
date_default_timezone_set('Europe/Paris');
if (version_compare(PHP_VERSION, '5.2.0') >= 0) { libxml_disable_entity_loader(true); }
$CONFIG=parse_ini_file('vvb.ini') or die('Missing or bad config file vvb.ini'); // Read config file.
$CONFIG['ARTICLES_PER_PAGE']=10;
$CONFIG['DOWNLOAD_MEDIA_TYPES']=array('jpeg','jpg','gif','png','pdf','txt','odt'); // Media types which will be downloaded.
$CONFIG['MEDIA_TO_DOWNLOAD']=array(); // List of media to download in background.
// ==================================================================================================
/* Callback for the preg_replace_callback() function in remapImageUrls() which remaps URLs to point to local cache.
(src=... and href=...) */
function remap_callback($matches)
{
global $CONFIG;
$attr = $matches[1]; $url = $matches[2]; $srchost=parse_url($url,PHP_URL_HOST);
if (!mediaAuthorized($url)) { return $attr.'="'.$url.'"'; } // Not authorized: do not remap URL.
if (!file_exists('media/'.sanitize($url)) ) { $CONFIG['MEDIA_TO_DOWNLOAD'][] = $url; } // If media not present in the cache, add URL to list of media to download in background.
return $attr.'="?m='.$url.'"'; // Return remapped URL.
}
/* Remaps image URL to point to local cache (src= and href=)
eg. src="http://toto.com/..." --> src="?m=http://toto.com/..."
*/
function remapImageUrls($html)
{
return preg_replace_callback("@(src|href)=[\"\'](.+?)[\"\']@i",'remap_callback',$html);
}
/* updateFeed(): Update articles database from a RSS2.0 feed.
Articles deleted from the feed are not deleted from the database.
You can force the refresh by passing ?force_the_refresh in URL.
*/
function updateFeed()
{
global $CONFIG;
// Only update feed if last check was > 60 minutes
// but you can force it with force_the_refresh in GET parameters.
if (@filemtime('store')>time()-(3600) && !isset($_GET['force_the_refresh'])) { return; }
// Read database from disk
$feed_items=(file_exists('store') ? unserialize(file_get_contents('store')) : array() );
// Read the feed and update the database.
$xml = simplexml_load_file($CONFIG['FEED_URL']);
if (isset($xml->entry)) // ATOM feed.
{
foreach ($xml->entry as $item)
{
$pubDate=$item->published; if (!$pubDate) { $pubDate=$item->updated; }
$i=array('title'=>strval($item->title),'link'=>strval($item->link['href']),'guid'=>strval($item->id),'pubDate'=>strval($pubDate),
'description'=>'','content'=>remapImageUrls(strval($item->content)));
$i['dateiso'] = date('Ymd_His', strtotime($i['pubDate']));
$feed_items[$i['dateiso']] = $i;
}
}
elseif (isset($xml->item)) // RSS 1.0 /RDF
{
foreach ($xml->item as $item)
{
$guid =$item->attributes('http://www.w3.org/1999/02/22-rdf-syntax-ns#')->about;
$date =$item->children('http://purl.org/dc/elements/1.1/')->date;
$content = $item->children('http://purl.org/rss/1.0/modules/content/');
$i=array('title'=>strval($item->title),'link'=>strval($item->link),'guid'=>strval($guid),'pubDate'=>strval($date),
'description'=>strval($item->description),'content'=>remapImageUrls(strval($content)));
$i['dateiso'] = date('Ymd_His', strtotime($i['pubDate']));
$feed_items[$i['dateiso']] = $i;
}
}
elseif (isset($xml->channel->item)) // RSS 2.0
{
foreach ($xml->channel->item as $item)
{
$content = strval($item->children('http://purl.org/rss/1.0/modules/content/')); // Get <content:encoded>
if (!$content) { $content = strval($item->description); } // Some feeds put content in the description.
$pubDate = $item->pubDate;
if (!$pubDate) { $pubDate=$item->children('http://purl.org/dc/elements/1.1/')->date; } // To read the <dc:date> tag content.
$i=array('title'=>strval($item->title),'link'=>strval($item->link),'guid'=>strval($item->guid),'pubDate'=>strval($pubDate),
'description'=>strval($item->description),'content'=>remapImageUrls($content));
$i['dateiso'] = date('Ymd_His', strtotime($i['pubDate']));
$feed_items[$i['dateiso']] = $i;
}
}
krsort($feed_items); // Sort array, latest articles first.
file_put_contents('store', serialize($feed_items)); // Write database to disk
}
/* feed(): Returns the feed as an associative array (latest articles first).
Key is timestamp in compact iso format (eg. '20110628_073208')
Value is an associative array (title,link,content,pubDate...)
*/
function feed()
{
$data=file_get_contents('store');
if ($data===FALSE) { $feed_items=array(); } else { $feed_items = unserialize($data); }
return $feed_items;
}
/* Remove accents (<28>-->e) */
function replace_accents($str) {
$str = htmlentities($str, ENT_COMPAT, "UTF-8");
$str = preg_replace('/&([a-zA-Z])(uml|acute|grave|circ|tilde);/','$1',$str);
return html_entity_decode($str);
}
// Sanitize strings for use in filename or URLs
function sanitize($name)
{
$fname=replace_accents($name);
$replace="_";
$pattern="/([[:alnum:]_\.-]*)/"; // The autorized characters.
$fname=str_replace(str_split(preg_replace($pattern,$replace,$fname)),$replace,$fname);
return $fname;
}
// Tells if a string start with a substring or not.
function startsWith($haystack,$needle,$case=true) {
if($case){return (strcmp(substr($haystack, 0, strlen($needle)),$needle)===0);}
return (strcasecmp(substr($haystack, 0, strlen($needle)),$needle)===0);
}
// Tells if a string ends with a substring or not.
function endsWith($haystack,$needle,$case=true) {
if($case){return (strcmp(substr($haystack, strlen($haystack) - strlen($needle)),$needle)===0);}
return (strcasecmp(substr($haystack, strlen($haystack) - strlen($needle)),$needle)===0);
}
/* Returns the CSS stylesheet to include in HTML document */
function css()
{
return <<<HTML
<style type="text/css">
<!--
body { font-family:"Trebuchet MS",Verdana,Arial,Helvetica,sans-serif; font-size:10pt; background-color: #3E4B50; }
img { max-width: 100%;height: auto; }
h1 { margin: 0 0 0 0; font-size:24pt; text-shadow: 2px 2px 2px #000; /* FF3.5+, Opera 9+, Saf1+, Chrome */ }
.pagetitle
{
padding: 10 30 10 30;
color:#eee;
margin-left:10%;
margin-right:10%;
border-bottom: 1px solid #aaa;
background-color: #6A6A6A;
background-image: -webkit-gradient(linear, left top, left bottom, from(#6A6A6A), to(#303030)); /* Saf4+, Chrome */
background-image: -webkit-linear-gradient(top, #6A6A6A, #303030); /* Chrome 10+, Saf5.1+ */
background-image: -moz-linear-gradient(top, #6A6A6A, #303030); /* FF3.6 */
background-image: -ms-linear-gradient(top, #6A6A6A, #303030); /* IE10 */
background-image: -o-linear-gradient(top, #6A6A6A, #303030); /* Opera 11.10+ */
background-image: linear-gradient(top, #6A6A6A, #303030);
filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#6A6A6A', EndColorStr='#303030'); /* IE6-IE9 */
}
.pagetitle a:link { color:#bbb; text-decoration:none;}
.pagetitle a:visited { color:#bbb; text-decoration:none;}
.pagetitle a:hover { color:#FFFFC9; text-decoration:none;}
.pagetitle a:active { color:#bbb; text-decoration:none;}
h2 { font-size:22pt; margin:0 0 0 0; color:#666; text-shadow: 1px 1px 1px #fff; /* FF3.5+, Opera 9+, Saf1+, Chrome */ }
h2 a:link { color:#666; text-decoration:none;}
h2 a:visited { color:#666; text-decoration:none;}
h2 a:hover { color:#403976; text-decoration:none;}
h2 a:active { color:#666; text-decoration:none;}
.datearticle { font-size: 8pt; color:#666; }
.pagination
{
margin-left:10%;
margin-right:10%;
padding: 5 10 5 10;
background-color: #6A6A6A;
background-image: -webkit-gradient(linear, left top, left bottom, from(#6A6A6A), to(#303030)); /* Saf4+, Chrome */
background-image: -webkit-linear-gradient(top, #6A6A6A, #303030); /* Chrome 10+, Saf5.1+ */
background-image: -moz-linear-gradient(top, #6A6A6A, #303030); /* FF3.6 */
background-image: -ms-linear-gradient(top, #6A6A6A, #303030); /* IE10 */
background-image: -o-linear-gradient(top, #6A6A6A, #303030); /* Opera 11.10+ */
background-image: linear-gradient(top, #6A6A6A, #303030);
filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#6A6A6A', EndColorStr='#303030'); /* IE6-IE9 */
}
.pagination a:link { color:#ccc; text-decoration:none;}
.pagination a:visited { color:#ccc; text-decoration:none;}
.pagination a:hover { color:#FFFFC9; text-decoration:none;}
.pagination a:active { color:#ccc; text-decoration:none;}
.anciens { float:left; }
.recents { float:right; }
.article
{
margin-left:10%;
margin-right:10%;
padding:10 15 10 15;
background-color: #cccccc;
background-image: -webkit-gradient(linear, left top, left bottom, from(#cccccc), to(#ffffff)); /* Saf4+, Chrome */
background-image: -webkit-linear-gradient(top, #cccccc, #ffffff); /* Chrome 10+, Saf5.1+ */
background-image: -moz-linear-gradient(top, #cccccc, #ffffff); /* FF3.6 */
background-image: -ms-linear-gradient(top, #cccccc, #ffffff); /* IE10 */
background-image: -o-linear-gradient(top, #cccccc, #ffffff); /* Opera 11.10+ */
background-image: linear-gradient(top, #cccccc, #ffffff);
filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#cccccc', EndColorStr='#ffffff'); /* IE6-IE9 */
border-bottom: 1px solid #888;
}
.search { float:right; }
.search input { border:1px solid black; color:#666; }
.powered { width:100%; text-align:center; font-size:8pt; color:#aaaaaa; }
.powered a:link { color:#cccccc; text-decoration:none;}
.powered a:visited { color:#cccccc; text-decoration:none;}
.powered a:hover { color:#FFFFC9; text-decoration:none;}
.powered a:active { color:#aaaaaa; text-decoration:none;}
.sourcelink a { color:#666; text-decoration:none; }
.sourcelink a:hover { color:#403976; text-decoration:none; }
@media handheld
{
html, body { font: 12px sans-serif; background: #fff; padding: 3px; color: #000; margin: 0; }
img { max-width: 100%;height: auto; }
.pagetitle { padding: 7 7 7 7; margin-left:0; margin-right:0; }
.article { background-color: #eee; margin-left:0; margin-right:0; border-bottom: 3px solid #888; }
.pagination { margin-left:0; margin-right:0;}
h1 { font-size:16pt; margin-bottom:10px;}
h2 { font-size:14pt; line-height:120%; }
ul { padding-left:10px; }
blockquote{margin-left:12px; margin-right:3px; }
pre { width:100%; overflow:auto; }
}
-->
</style>
HTML;
}
/* Render a single article
$article : the article itself (associative array with title,pubDate,content,dateiso keys.)
*/
function renderArticle($article)
{
echo '<div class="article">';
echo '<div class="articletitle"><h2><a href="?'.$article['dateiso'].'_'.sanitize($article['title']).'">'.$article['title'].'</a></h2><div class="datearticle">'.$article['pubDate'];
if ($article['link']!='') { echo ' - <span class="sourcelink">(<a href="'.$article['link'].'">source</a>)</span>'; }
echo '</div></div><div class="articlecontent">'.$article['content'].'</div>';
echo '<br style="clear:both;"></div>';
}
function rssHeaderLink() { return '<link rel="alternate" type="application/rss+xml" title="RSS 2.0" href="?feed">'; }
function searchForm() { return '<div class="search"><form method="GET"><input type="text" name="s"><input type="submit" value="search"></form></div>'; }
function powered() { return '<div class="powered">Powered by <a href="http://sebsauvage.net/streisand.me/">VroumVroumBlog</a> 0.1.32 - <a href="?feed">RSS Feed</a><br>Download <a href="vvb.ini">config</a> <a href="store">articles</a></div>'; }
function canonical_metatag($url) { return '<link rel="canonical" href="'.$url.'" />'; }
/* Show a single article
$articleid = article identifier (eg.'20110629_010334')
*/
function showArticle($articleid)
{
global $CONFIG;
header('Content-Type: text/html; charset=utf-8');
$feed=feed();if (!array_key_exists($articleid,$feed)) { die('Article not found.'); }
$a=$feed[$articleid];
echo '<html><head><title>'.$a['title'].' - '.$CONFIG['SITE_TITLE'].'</title>'.canonical_metatag($a['link']).css().rssHeaderLink().'</head><body>';
echo '<div class="pagetitle"><h1>'.$CONFIG['SITE_TITLE'].'</h1>'.$CONFIG['SITE_DESCRIPTION'].searchForm().'</div>';
renderArticle($a);
echo '<div class="pagination"><table width="100%"><tr><td><a href="?page1">See all articles</a></td></tr></table></div>'.powered().'</body></html>';
}
/* Show a list of articles, starting at a specific page.
$page = start page. First page is page 1.
*/
function showArticles($page)
{
global $CONFIG;
header('Content-Type: text/html; charset=utf-8');
$feed=feed();
$keys=array_keys($feed);
echo '<html><head><title>'.$CONFIG['SITE_TITLE'].'</title>'.canonical_metatag($CONFIG['SITE_URL']).css().rssHeaderLink().'</head><body>';
echo '<div class="pagetitle"><h1>'.$CONFIG['SITE_TITLE'].'</h1>'.$CONFIG['SITE_DESCRIPTION'].searchForm().'</div>';
$i = ($page-1)*$CONFIG['ARTICLES_PER_PAGE']; // Start index.
$end = $i+$CONFIG['ARTICLES_PER_PAGE'];
while ($i<$end && $i<count($keys))
{
renderArticle($feed[$keys[$i]]);
$i++;
}
echo '<div class="pagination"><table width="100%"><tr><td>';
if ($i!=count($keys)) { echo '<div class="anciens"><a href="?page'.($page+1).'">&lt; Older</a></div>'; }
echo '</td><td>';
if ($page>1) { echo '<div class="recents"><a href="?page'.($page-1).'">Newer &gt;</a></div>'; }
echo '</td></tr></table></div>'.powered().'</body></html>';
}
/* Search for text in articles content and title.
$textpage = text to search.
*/
function search($text)
{
global $CONFIG;
header('Content-Type: text/html; charset=utf-8');
$txt = urldecode($text);
echo '<html><head><title>'.$CONFIG['SITE_TITLE'].'</title>'.css().rssHeaderLink().'</head><body>';
echo '<div class="pagetitle"><h1>'.$CONFIG['SITE_TITLE'].'</h1>'.$CONFIG['SITE_DESCRIPTION'].searchForm().'</div>';
echo '<div class="pagetitle">Search for <span style="font-weight:bold;color:#FFFFC9;">'.htmlspecialchars($txt).'</span> :</div>';
$feed=feed();
foreach($feed as $article)
{
if (stripos($article['content'],$txt) || stripos($article['title'],$txt)) { renderArticle($article); }
}
echo '<div class="pagination"><table width="100%"><tr><td><a href="?page1">See all articles</a></td></tr></table></div>'.powered().'</body></html>';
}
/* Tells if a media URL should be downloaded or not.
Input: $url = absolute URL of a media (jpeg,pdf...)
Output: true= can download. false= should not download (wrong host, wrong file extension) */
function mediaAuthorized($url)
{
global $CONFIG;
$goodhost=false; $srchost=parse_url($url,PHP_URL_HOST);
foreach( explode(',',$CONFIG['DOWNLOAD_MEDIA_FROM']) as $host) // Does the URL point to an authorized host ?
{ if ($srchost==$host) { $goodhost=true; } }
if (!$goodhost) { return false; } // Wrong host.
$ext = pathinfo($url, PATHINFO_EXTENSION); // Get file extension (eg.'png','gif'...)
if (!in_array(strtolower($ext),$CONFIG['DOWNLOAD_MEDIA_TYPES'])) { return false; } // Not in authorized file extensions.
return true;
}
// Returns the MIME type corresponding to a file extension.
// (I do not trust mime_content_type() because of some dodgy hosting providers with ill-configured magic.mime file.)
function mime_type($filename)
{
$MIME_TYPES=array('.jpg'=>'image/jpeg','.jpeg'=>'image/jpeg','.png'=>'image/png','.gif'=>'image/gif',
'.txt'=>'text/plain','.odt'=>'application/vnd.oasis.opendocument.text');
foreach($MIME_TYPES as $extension=>$mime_type) { if (endswith($filename,$extension,false)) { return $mime_type; } }
return 'application/octet-stream'; // For an unkown extension.
}
// Returns a media from the local cache (and download it if not available).
function showMedia($imgurl)
{
if (!mediaAuthorized($imgurl)) { header('HTTP/1.1 404 Not Found'); return; }
downloadMedia($imgurl); // Will only download if necessary.
$filename = 'media/'.sanitize($imgurl);
header('Content-Type: '.mime_type($filename));
readfile($filename);
}
// Download a media to local cache (if necessary)
function downloadMedia($imgurl)
{
$filename = 'media/'.sanitize($imgurl);
if (!file_exists($filename) ) // Only download image if not present
{
if (!is_dir('media')) { mkdir('media',0705); file_put_contents('media/index.html',' '); }
file_put_contents($filename, file_get_contents($imgurl,NULL, NULL, 0, 4000000)); // We download at most 4 Mb from source.
}
}
/* Output the whole feed in RSS 2.0 format with article content (BIG!) */
function outputFeed()
{
global $CONFIG;
header('Content-Type: application/xhtml+xml; charset=utf-8');
echo '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">';
echo '<channel><title>'.htmlspecialchars($CONFIG['SITE_TITLE']).'</title><link>'.htmlspecialchars($CONFIG['SITE_URL']).'</link>';
echo '<description></description><language></language><copyright>'.htmlspecialchars($CONFIG['SITE_URL']).'</copyright>'."\n\n";
$feed=feed();
foreach($feed as $a)
{
echo '<item><title>'.$a['title'].'</title><guid>'.$a['guid'].'</guid><link>http://'.$_SERVER["HTTP_HOST"].$_SERVER["SCRIPT_NAME"].'?'.$a['dateiso'].'_'.sanitize($a['title']).'</link><pubDate>'.$a['pubDate'].'</pubDate>';
echo '<description><![CDATA['.$a['description'].']]></description><content:encoded><![CDATA['.$a['content'].']]></content:encoded></item>'."\n\n";
}
echo '</channel></rss>';
}
// ==================================================================================================
// Update feed if necessary. (you can force refresh with ?force_the_refresh in URL)
updateFeed();
// Handle media download requests (eg. http://myserver.com/?m=http___anotherserver.net_images_myimage.jpg)
if (startswith($_SERVER["QUERY_STRING"],'m=')) { showMedia(substr($_SERVER["QUERY_STRING"],2)); }
// Handle single article URI (eg. http://myserver.com/?20110506_224455-chit-chat)
elseif (preg_match('/^(\d{8}_\d{6})/',$_SERVER["QUERY_STRING"],$matches)) { showArticle($matches[1]); }
// Handle page URI (eg. http://myserver.com/?page5)
elseif (preg_match('/^page(\d+)/',$_SERVER["QUERY_STRING"],$matches)) { showArticles($matches[1]); }
// Handle RSS 2.0 feed request (http://myserver.com/?feed)
elseif (startswith($_SERVER["QUERY_STRING"],'feed')) { outputFeed(); }
// Handle search request (eg. http://myserver.com/?s=tuto4pc)
elseif (startswith($_SERVER["QUERY_STRING"],'s=')) { search(substr($_SERVER["QUERY_STRING"],2)); }
// Nothing ? Then render page1.
else { showArticles(1); }
// Force flush, rendered page is fully sent to browser.
ob_end_flush();
flush();
// Now we've finised rendering the page and sending to the user,
// it's time for some background tasks: Are there media to download ?
foreach($CONFIG['MEDIA_TO_DOWNLOAD'] as $url) { downloadMedia($url); }
exit;
?>