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Check for firewalls, using Google as the dipstick.

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Attempt CURL download if HTTP_Request fails.
Report IP so repository for site admins to open outgoing connections .
Language constants for new checks and firewall notice.
This commit is contained in:
Jude Anthony
2006-12-08 19:35:57 +00:00
parent c5743298d5
commit f42a99e694
2 changed files with 72 additions and 3 deletions
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69
plugins/serendipity_event_spartacus/serendipity_event_spartacus.php
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@ -256,6 +256,14 @@ class serendipity_event_spartacus extends serendipity_event
// Fix double URL strings.
$url = str_replace('http:/', 'http://', str_replace('//', '/', $url));
// --JAM: Get the URL's IP in the most error-free way possible
$url_parts = @parse_url($url);
$url_hostname = 'localhost';
if (is_array($url_parts)) {
$url_hostname = $url_parts['host'];
}
$url_ip = gethostbyname($url_hostname);
printf(PLUGIN_EVENT_SPARTACUS_FETCHING, '<a href="' . $url . '">' . basename($url) . '</a>');
echo '<br />';
@ -271,8 +279,61 @@ class serendipity_event_spartacus extends serendipity_event
$req = &new HTTP_Request($url, $options);
if (PEAR::isError($req->sendRequest()) || $req->getResponseCode() != '200') {
printf(PLUGIN_EVENT_SPARTACUS_FETCHERROR, $url);
echo '<br />';
$resolved_url = $url . ' (at IP ' . $url_ip . ')';
printf(PLUGIN_EVENT_SPARTACUS_FETCHERROR, $resolved_url);
//--JAM: START FIREWALL DETECTION
if ($req->getResponseCode()) {
printf(PLUGIN_EVENT_SPARTACUS_REPOSITORY_ERROR, $req->getResponseCode());
}
$check_health = true;
if (function_exists('curl_init')) {
echo PLUGIN_EVENT_SPARTACUS_TRYCURL . "\n";
$curl_handle=curl_init();
curl_setopt($curl_handle, CURLOPT_URL, $url);
curl_setopt($curl_handle, CURLOPT_HEADER, 0);
$data = curl_exec($curl_handle);
curl_close($curl_handle);
if ($curl_result) {
$check_health = false;
} else {
echo PLUGIN_EVENT_SPARTACUS_CURLFAIL . "\n";
}
}
}
if ($check_health) {
echo PLUGIN_EVENT_SPARTACUS_HEALTHCHECK . "\n";
/*--JAM: Useful for later, when we have a health monitor for SPARTACUS
$propbag = new serendipity_property_bag;
$this->introspect($propbag);
$health_url = 'http://spartacus.s9y.org/spartacus_health.php?version=' . $propbag->get('version');
*/
$health_url = $url;
$matches = array();
preg_match('#http://[^/]*/#', $url, $matches);
if ($matches[0]) {
$health_url = $matches[0];
}
$health_options = $options;
serendipity_plugin_api::hook_event('backend_http_request', $health_options, 'spartacus_health');
$health_req = &new HTTP_Request($health_url, $health_options);
$health_result = $health_req->sendRequest();
if (PEAR::isError($health_result))
{
$fp = @fsockopen('www.google.com', 80, $errno, $errstr);
if (!$fp) {
printf(PLUGIN_EVENT_SPARTACUS_HEALTHBLOCKED, $errno, $errstr);
} else {
echo PLUGIN_EVENT_SPARTACUS_HEALTHDOWN;
printf(PLUGIN_EVENT_SPARTACUS_HEALTHLINK, $health_url);
fclose($fp);
}
} else if ($health_req->getResponseCode() != '200') {
printf(PLUGIN_EVENT_SPARTACUS_HEALTHERROR, $health_req->getResponseCode());
printf(PLUGIN_EVENT_SPARTACUS_HEALTHLINK, $health_url);
} else {
//--JAM: Parse response and display it.
}
//--JAM: END FIREWALL DETECTION
if (file_exists($target) && filesize($target) > 0) {
$data = file_get_contents($target);
printf(PLUGIN_EVENT_SPARTACUS_FETCHED_BYTES_CACHE, strlen($data), $target);
@ -280,7 +341,9 @@ class serendipity_event_spartacus extends serendipity_event
}
} else {
// Fetch file
$data = $req->getResponseBody();
if (!$data) {
$data = $req->getResponseBody();
}
printf(PLUGIN_EVENT_SPARTACUS_FETCHED_BYTES_URL, strlen($data), $target);
echo '<br />';
$tdir = dirname($target);