Viewing file:  update.fetch.inc (7.42 KB) -rw-rw-rw-
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?php
// $Id: update.fetch.inc,v 1.7.2.1 2008/04/09 18:36:58 goba Exp $
/**
* @file
* Code required only when fetching information about available updates.
*/
/**
* Callback to manually check the update status without cron.
*/
function update_manual_status() {
if (_update_refresh()) {
drupal_set_message(t('Fetched information about all available new releases and updates.'));
}
else {
drupal_set_message(t('Unable to fetch any information about available new releases and updates.'), 'error');
}
drupal_goto('admin/reports/updates');
}
/**
* Fetch project info via XML from a central server.
*/
function _update_refresh() {
global $base_url;
module_load_include('inc', 'update', 'update.compare');
// Since we're fetching new available update data, we want to clear
// everything in our cache, to ensure we recompute the status. Note that
// this does not cause update_get_projects() to be recomputed twice in the
// same page load (e.g. when manually checking) since that function stashes
// its answer in a static array.
update_invalidate_cache();
$available = array();
$data = array();
$site_key = md5($base_url . drupal_get_private_key());
$projects = update_get_projects();
foreach ($projects as $key => $project) {
$url = _update_build_fetch_url($project, $site_key);
$xml = drupal_http_request($url);
if (isset($xml->data)) {
$data[] = $xml->data;
}
}
if ($data) {
$parser = new update_xml_parser;
$available = $parser->parse($data);
}
if (!empty($available) && is_array($available)) {
$frequency = variable_get('update_check_frequency', 1);
cache_set('update_info', $available, 'cache_update', time() + (60 * 60 * 24 * $frequency));
variable_set('update_last_check', time());
watchdog('update', 'Fetched information about all available new releases and updates.', array(), WATCHDOG_NOTICE, l(t('view'), 'admin/reports/updates'));
}
else {
module_invoke('system', 'check_http_request');
watchdog('update', 'Unable to fetch any information about available new releases and updates.', array(), WATCHDOG_ERROR, l(t('view'), 'admin/reports/updates'));
}
return $available;
}
/**
* Generates the URL to fetch information about project updates.
*
* This figures out the right URL to use, based on the project's .info file
* and the global defaults. Appends optional query arguments when the site is
* configured to report usage stats.
*
* @param $project
* The array of project information from update_get_projects().
* @param $site_key
* The anonymous site key hash (optional).
*
* @see update_refresh()
* @see update_get_projects()
*/
function _update_build_fetch_url($project, $site_key = '') {
$default_url = variable_get('update_fetch_url', UPDATE_DEFAULT_URL);
if (!isset($project['info']['project status url'])) {
$project['info']['project status url'] = $default_url;
}
$name = $project['name'];
$url = $project['info']['project status url'];
$url .= '/'. $name .'/'. DRUPAL_CORE_COMPATIBILITY;
if (!empty($site_key)) {
$url .= (strpos($url, '?') === TRUE) ? '&' : '?';
$url .= 'site_key=';
$url .= drupal_urlencode($site_key);
if (!empty($project['info']['version'])) {
$url .= '&version=';
$url .= drupal_urlencode($project['info']['version']);
}
}
return $url;
}
/**
* Perform any notifications that should be done once cron fetches new data.
*
* This method checks the status of the site using the new data and depending
* on the configuration of the site, notifys administrators via email if there
* are new releases or missing security updates.
*
* @see update_requirements()
*/
function _update_cron_notify() {
include_once './includes/install.inc';
$status = update_requirements('runtime');
$params = array();
foreach (array('core', 'contrib') as $report_type) {
$type = 'update_'. $report_type;
if (isset($status[$type]['severity'])
&& $status[$type]['severity'] == REQUIREMENT_ERROR) {
$params[$report_type] = $status[$type]['reason'];
}
}
if (!empty($params)) {
$notify_list = variable_get('update_notify_emails', '');
if (!empty($notify_list)) {
$default_language = language_default();
foreach ($notify_list as $target) {
if ($target_user = user_load(array('mail' => $target))) {
$target_language = user_preferred_language($target_user);
}
else {
$target_language = $default_language;
}
drupal_mail('update', 'status_notify', $target, $target_language, $params);
}
}
}
}
/**
* XML Parser object to read Drupal's release history info files.
* This uses PHP4's lame XML parsing, but it works.
*/
class update_xml_parser {
var $projects = array();
var $current_project;
var $current_release;
var $current_term;
var $current_tag;
var $current_object;
/**
* Parse an array of XML data files.
*/
function parse($data) {
foreach ($data as $datum) {
$parser = xml_parser_create();
xml_set_object($parser, $this);
xml_set_element_handler($parser, 'start', 'end');
xml_set_character_data_handler($parser, "data");
xml_parse($parser, $datum);
xml_parser_free($parser);
}
return $this->projects;
}
function start($parser, $name, $attr) {
$this->current_tag = $name;
switch ($name) {
case 'PROJECT':
unset($this->current_object);
$this->current_project = array();
$this->current_object = &$this->current_project;
break;
case 'RELEASE':
unset($this->current_object);
$this->current_release = array();
$this->current_object = &$this->current_release;
break;
case 'TERM':
unset($this->current_object);
$this->current_term = array();
$this->current_object = &$this->current_term;
break;
}
}
function end($parser, $name) {
switch ($name) {
case 'PROJECT':
unset($this->current_object);
$this->projects[$this->current_project['short_name']] = $this->current_project;
$this->current_project = array();
break;
case 'RELEASE':
unset($this->current_object);
$this->current_project['releases'][$this->current_release['version']] = $this->current_release;
break;
case 'RELEASES':
$this->current_object = &$this->current_project;
break;
case 'TERM':
unset($this->current_object);
$term_name = $this->current_term['name'];
if (!isset($this->current_release['terms'])) {
$this->current_release['terms'] = array();
}
if (!isset($this->current_release['terms'][$term_name])) {
$this->current_release['terms'][$term_name] = array();
}
$this->current_release['terms'][$term_name][] = $this->current_term['value'];
break;
case 'TERMS':
$this->current_object = &$this->current_release;
break;
default:
$this->current_object[strtolower($this->current_tag)] = trim($this->current_object[strtolower($this->current_tag)]);
$this->current_tag = '';
}
}
function data($parser, $data) {
if ($this->current_tag && !in_array($this->current_tag, array('PROJECT', 'RELEASE', 'RELEASES', 'TERM', 'TERMS'))) {
$tag = strtolower($this->current_tag);
if (isset($this->current_object[$tag])) {
$this->current_object[$tag] .= $data;
}
else {
$this->current_object[$tag] = $data;
}
}
}
}
|