function remove_link_tags($content)
{
$old_xml_err = libxml_use_internal_errors(true);
$dom = new DOMDocument();
$dom->loadHtml(mb_convert_encoding($content, 'HTML-ENTITIES', "UTF-8"));
foreach ($dom->getElementsByTagName('link') as $link) {
$link->parentNode->removeChild($link);
}
$content_out = '';
$node = $dom->firstChild;
while ($node) {
$content_out .= $dom->saveHTML($node);
/* repeat for all nodes at this level */
$node = $node->nextSibling;
}
foreach (libxml_get_errors() as $error) {
/* just ignore warnings */
if ($error->level === LIBXML_ERR_WARNING) {
continue;
}
fof_log(__FUNCTION__ . ': ' . $error->message);
}
libxml_clear_errors();
libxml_use_internal_errors($old_xml_err);
return $content_out;
}
function fof_item_targets($content)
{
/* quiet warnings */
$old_xml_err = libxml_use_internal_errors(true);
$dom = new DOMDocument();
/*
Load content into DOM, within a div wrapper. Wrapper div will be
stripped before returning altered content. Without doing this,
any bare text content would get wrapped in p elements while being
parsed in.
*/
$dom->loadHtml('<div>' . mb_convert_encoding($content, 'HTML-ENTITIES', "UTF-8") . '</div>');
/* strip <!DOCTYPE> which DOMDocument adds */
$dom->removeChild($dom->firstChild);
/* strip <html><body> which DOMDocument adds */
$dom->replaceChild($dom->firstChild->firstChild->firstChild, $dom->firstChild);
/* replace or add link targets */
$xpath = new DOMXpath($dom);
foreach ($xpath->query('//a') as $node) {
$node->setAttribute('target', '_blank');
}
$content_out = '';
/* emit the updated contents inside our div */
/* start at the first node inside first div.. */
$node = $dom->firstChild->firstChild;
while ($node) {
$content_out .= $dom->saveHTML($node);
/* repeat for all nodes at this level */
$node = $node->nextSibling;
}
foreach (libxml_get_errors() as $error) {
/* just ignore warnings */
if ($error->level === LIBXML_ERR_WARNING) {
continue;
}
fof_log(__FUNCTION__ . ': ' . $error->message);
}
libxml_clear_errors();
libxml_use_internal_errors($old_xml_err);
return $content_out;
}
function fof_images_on_demand($content)
{
// AJAX refresh: we don't apply this filter, because images are
// probably already loaded
if ($_REQUEST['no_img_filter']) {
return $content;
}
/* quiet warnings */
$old_xml_err = libxml_use_internal_errors(true);
$dom = new DOMDocument();
// hack borrowed from http://beerpla.net/projects/smartdomdocument-a-smarter-php-domdocument-class/
$dom->loadHTML(mb_convert_encoding($content, 'HTML-ENTITIES', "UTF-8"));
foreach ($dom->getElementsByTagName('img') as $img) {
if ($img->hasAttribute('src')) {
$img->setAttribute('data-fof-ondemand-src', $img->getAttribute('src'));
$img->removeAttribute('src');
}
if ($img->hasAttribute('srcset')) {
$img->setAttribute('data-fof-ondemand-srcset', $img->getAttribute('srcset'));
$img->removeAttribute('srcset');
}
}
$content_out = '';
$node = $dom->firstChild;
while ($node) {
$content_out .= $dom->saveHTML($node);
/* repeat for all nodes at this level */
$node = $node->nextSibling;
}
foreach (libxml_get_errors() as $error) {
/* just ignore warnings */
if ($error->level === LIBXML_ERR_WARNING) {
continue;
}
fof_log(__FUNCTION__ . ': ' . $error->message);
}
libxml_clear_errors();
libxml_use_internal_errors($old_xml_err);
return $content_out;
}
<br>
<?php
}
?>
<input type=submit name=prefs value="Save Preferences">
</form>
<br><h1 id="plugins">Feed on Feeds - Plugin Preferences</h1>
<form method="post" action="prefs.php#plugins" style="border: 1px solid black; margin: 10px; padding: 10px;">
<?php
$plugins = array();
$dirlist = opendir(FOF_DIR . "/plugins");
while ($file = readdir($dirlist)) {
if (preg_match('/\\.php$/', $file)) {
fof_log("considering " . $file);
$plugins[] = substr($file, 0, -4);
}
}
closedir();
foreach ($plugins as $plugin) {
echo '<input type=checkbox name=\'' . htmlentities($plugin) . '\'';
if (!$prefs->get('plugin_' . $plugin)) {
echo ' checked';
}
echo '> Enable plugin <tt>' . $plugin . "</tt>?<br>\n";
}
?>
<br>
<?php
function fof_db_mark_feed_unread($user_id, $feed, $what)
{
global $FOF_ITEM_TAG_TABLE;
fof_log("fof_db_mark_feed_unread({$user_id}, {$feed}, {$what})");
if ($what == "all") {
$result = fof_db_get_items($user_id, $feed, "all");
}
if ($what == "today") {
$result = fof_db_get_items($user_id, $feed, "all", "today");
}
foreach ((array) $result as $r) {
$items[] = $r['item_id'];
}
fof_db_tag_items($user_id, 1, $items);
}
function fof_db_authenticate_hash($user_name, $user_password_hash)
{
global $FOF_USER_TABLE;
global $fof_connection, $fof_user_id, $fof_user_name, $fof_user_level;
fof_trace();
$query = "SELECT * FROM {$FOF_USER_TABLE} WHERE user_name = :user_name AND user_password_hash = :user_password_hash";
$statement = $fof_connection->prepare($query);
$statement->bindValue(':user_name', $user_name);
$statement->bindValue(':user_password_hash', $user_password_hash);
$result = $statement->execute();
$row = fof_db_get_row($statement, NULL, TRUE);
if (!$row) {
$fof_user_id = NULL;
$fof_user_name = NULL;
$fof_user_level = NULL;
fof_log("u:'{$user_name}' uph:'{$user_password_hash}' FAIL", 'auth');
return false;
}
$fof_user_id = $row['user_id'];
$fof_user_name = $row['user_name'];
$fof_user_level = $row['user_level'];
fof_log("u:'{$user_name}' uph:'{$user_password_hash}' OK ui:'{$fof_user_id}' un:'{$fof_user_name}' ul:'{$fof_user_level}'", 'auth');
return true;
}
*
* Distributed under the GPL - see LICENSE
*
*/
ob_start();
$fof_no_login = true;
$fof_user_id = 1;
include_once "fof-main.php";
set_time_limit(FOF_UPDATE_TIME_LIMIT);
$p =& FoF_Prefs::instance();
$fof_admin_prefs = $p->prefs;
fof_log("=== update started, timeout = {$fof_admin_prefs['autotimeout']}, purge = {$fof_admin_prefs['purge']} ===", "update");
$result = fof_db_get_feeds_needing_attempt();
$feeds = array();
$now = time();
while (($feed = fof_db_get_row($result)) !== false) {
if ($now - $feed['feed_cache_date'] > $fof_admin_prefs['autotimeout'] * 60 && $now > $feed['feed_cache_next_attempt']) {
$feeds[] = $feed;
} else {
fof_log("skipping {$feed['feed_id']} {$feed['feed_url']}", 'update');
}
}
$feeds = fof_multi_sort($feeds, 'feed_cache_attempt_date', false);
foreach ($feeds as $feed) {
fof_log("updating {$feed['feed_id']} {$feed['feed_url']}", 'update');
fof_update_feed($feed['feed_id']);
}
fof_log("optimizing database", "update");
fof_db_optimize();
fof_log("=== update complete ===", "update");
ob_end_clean();
<br>
<?php
if (isset($_POST['password']) && isset($_POST['password2'])) {
if ($_POST['password'] == $_POST['password2']) {
fof_db_add_user_all(1, 'admin', $_POST['password'], 'admin');
fof_log("admin user created");
echo '<center><b>OK! Setup complete! <a href=".">Login as admin</a>, and start subscribing!</center></b>';
echo '</div></body></html>';
exit;
} else {
echo "<center><span class='fail'>Passwords do not match!</span></center><br><br>";
}
} else {
fof_log("install started");
?>
<h2>Checking compatibility...</h2>
<?php
$compat_fatal = 0;
$php_ok = function_exists('version_compare') && version_compare(phpversion(), VERSION_REQUIRED_PHP, '>=');
$compat_fatal |= fof_install_compat_notice($php_ok, "PHP", "Your PHP version is too old!", "Feed on Feeds requires at least PHP version " . VERSION_REQUIRED_PHP, 1);
$compat_fatal |= fof_install_compat_notice(extension_loaded('xml'), "XML", "Your PHP installation is missing the XML extension!", "This is required by Feed on Feeds.", 1);
$compat_fatal |= fof_install_compat_notice(extension_loaded('pcre'), "PCRE", "Your PHP installation is missing the PCRE extension!", "This is required by Feed on Feeds.", 1);
$compat_fatal |= fof_install_compat_notice(extension_loaded('pdo'), "PDO", "Your PHP installation is missing the PDO extension!", "This is required by Feed on Feeds.", 1);
$mysql_ok = extension_loaded('pdo_mysql');
$sqlite_ok = extension_loaded('pdo_sqlite');
$compat_fatal |= fof_install_compat_notice($sqlite_ok, "SQLite", "Your PHP installation does not support the SQLite database" . (defined('USE_SQLITE') ? ", but you have configured Feed on Feeds to use this database!" : "."), defined('USE_SQLITE') ? "PHP will need to support this database, or you must configure a different one." : "This is not required if another database is available.", defined('USE_SQLITE'));
$compat_fatal |= fof_install_compat_notice($mysql_ok, "MySQL", "Your PHP installation does not support the MySQL database" . (defined('USE_MYSQL') ? ", but you have configured Feed on Feeds to use this database!" : "."), defined('USE_MYSQL') ? "PHP will need to support this database, or you must configure a different one." : "This is not required if another database is available.", defined('USE_MYSQL'));
$compat_fatal |= fof_install_compat_notice($sqlite_ok || $mysql_ok, "PDO database", "Your PHP installation is missing a supported PDO database extension!", "This is required by Feed on Feeds.", 1);
$curl_ok = extension_loaded('curl') && version_compare(get_curl_version(), VERSION_REQUIRED_CURL, '>=');
function fof_init_plugins()
{
global $fof_item_filters, $fof_item_prefilters, $fof_tag_prefilters, $fof_plugin_prefs;
$fof_item_filters = array();
$fof_item_prefilters = array();
$fof_plugin_prefs = array();
$fof_tag_prefilters = array();
$p =& FoF_Prefs::instance();
$dirlist = opendir(FOF_DIR . "/plugins");
while ($file = readdir($dirlist)) {
fof_log("considering " . $file);
if (ereg('\\.php$', $file) && !$p->get('plugin_' . substr($file, 0, -4))) {
fof_log("including " . $file);
include FOF_DIR . "/plugins/" . $file;
}
}
closedir();
}
/** Fetch the favicon for a url, cache it, and return its cached name.
*/
function fof_get_favicon($url)
{
include_once 'classes/favicon.php';
/* gather up notices from favicon and reroute to fof log */
set_error_handler('fof_favicon_log');
$favicon = new FavIcon($url);
$favicon = $favicon->getIcon();
restore_error_handler();
if (empty($favicon)) {
fof_log('FavIcon resolution failed for ' . $url);
return false;
}
return fof_cache_image_data($favicon['href'], $favicon['type'], $favicon['data']);
}