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action: Add action to check bridge connectivity (#1147)

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* action: Add action to check bridge connectivity

It is currently not simply possible to check if the remote
server for a bridge is reachable or not, which means some
of the bridges might no longer work because the server is
no longer on the internet.

In order to find those bridges we can either check each
bridge individually (which takes a lot of effort), or use
an automated script to do this for us.

If a server is no longer reachable it could mean that it is
temporarily unavailable, or shutdown permanently. The results
of this script will at least help identifying such servers.

* [Connectivity] Use Bootstrap container to properly display contents

* [Connectivity] Limit connectivity checks to debug mode

Connectivity checks take a long time to execute and can require a lot
of bandwidth. Therefore, administrators should be able to determine
when and who is able to utilize this action. The best way to prevent
regular users from accessing this action is by making it available in
debug mode only (public servers should never run in debug mode anyway).

* [Connectivity] Split implemenation into multiple files

* [Connectivity] Make web page responsive to user input

* [Connectivity] Make status message sticky

* [Connectivity] Add icon to the status message

* [contents] Add the ability for getContents to return header information

* [Connectivity] Add header information to the reply Json data

* [Connectivity] Add new status (blue) for redirected sites

Also adds titles to status icons (Successful, Redirected, Inactive, Failed)

* [Connectivity] Fix show doesn't work for inactive bridges

* [Connectivity] Fix typo

* [Connectivity] Catch errors in promise chains

* [Connectivity] Allow search by status and update dynamically

* [Connectivity] Add a progress bar

* [Connectivity] Use bridge factory

* [Connectivity] Import Bootstrap v4.3.1 CSS
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LogMANOriginal 2019-10-31 22:02:38 +01:00 • committed by GitHub
parent 6bc83310b9
commit cdc1d9c9ba
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5 changed files with 424 additions and 4 deletions
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21
lib/contents.php
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@ -37,11 +37,13 @@
* @param array $opts (optional) A list of cURL options as associative array in
* the format `$opts[$option] = $value;`, where `$option` is any `CURLOPT_XXX`
* option and `$value` the corresponding value.
* @param bool $returnHeader Returns an array of two elements 'header' and
* 'content' if enabled.
*
* For more information see http://php.net/manual/en/function.curl-setopt.php
* @return string The contents.
*/
function getContents($url, $header = array(), $opts = array()){
function getContents($url, $header = array(), $opts = array(), $returnHeader = false){
Debug::log('Reading contents from "' . $url . '"');
// Initialize cache
@ -54,6 +56,11 @@ function getContents($url, $header = array(), $opts = array()){
$params = [$url];
$cache->setKey($params);
$retVal = array(
'header' => '',
'content' => '',
);
// Use file_get_contents if in CLI mode with no root certificates defined
if(php_sapi_name() === 'cli' && empty(ini_get('curl.cainfo'))) {
@ -141,6 +148,7 @@ function getContents($url, $header = array(), $opts = array()){
$headerSize = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$header = substr($data, 0, $headerSize);
$retVal['header'] = $header;
Debug::log('Response header: ' . $header);
@ -164,15 +172,18 @@ function getContents($url, $header = array(), $opts = array()){
if(in_array('no-cache', $directives)
|| in_array('no-store', $directives)) { // Skip caching
Debug::log('Skip server side caching');
return $data;
$retVal['content'] = $data;
break;
}
}
Debug::log('Store response to cache');
$cache->saveData($data);
return $data;
$retVal['content'] = $data;
break;
case 304: // Not modified, use cached data
Debug::log('Contents not modified on host, returning cached data');
return $cache->loadData();
$retVal['content'] = $cache->loadData();
break;
default:
if(array_key_exists('Server', $finalHeader) && strpos($finalHeader['Server'], 'cloudflare') !== false) {
returnServerError(<<< EOD
@ -193,6 +204,8 @@ PHP error: $lastError
EOD
, $errorCode);
}
return ($returnHeader === true) ? $retVal : $retVal['content'];
}
/**