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Added documentation

This commit is contained in:
Michael 2019-10-04 17:29:21 +00:00
parent cd3dada39c
commit 4d1cc44151
1 changed files with 136 additions and 25 deletions
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161
src/Model/GServer.php
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@ -2,7 +2,7 @@
/**
* @file src/Model/GServer.php
* @brief This file includes the GServer class to handle with servers
* This file includes the GServer class to handle with servers
*/
namespace Friendica\Model;
@ -22,11 +22,20 @@ use Friendica\Protocol\Diaspora;
use Friendica\Network\Probe;
/**
* @brief This class handles GServer related functions
* This class handles GServer related functions
*/
class GServer
{
public static function check($server_url, $network = '', $force = false)
/**
* Checks the state of the given server.
*
* @param string $server_url URL of the given server
* @param string $network Network value that is used, when detection failed
* @param boolean $force Force an update.
*
* @return boolean "true" if server seems vital
*/
public static function check(string $server_url, string $network = '', bool $force = false)
{
// Unify the server address
$server_url = trim($server_url, '/');
@ -73,11 +82,12 @@ class GServer
* Detect server data (type, protocol, version number, ...)
* The detected data is then updated or inserted in the gserver table.
*
* @param string $url Server url
* @param string $url URL of the given server
* @param string $network Network value that is used, when detection failed
*
* @return boolean 'true' if server could be detected
*/
public static function detect($url, $network = '')
public static function detect(string $url, string $network = '')
{
$serverdata = [];
@ -203,12 +213,12 @@ class GServer
}
/**
* @brief Fetch relay data from a given server url
* Fetch relay data from a given server url
*
* @param string $server_url address of the server
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
private static function discoverRelay($server_url)
private static function discoverRelay(string $server_url)
{
Logger::info('Discover relay data', ['server' => $server_url]);
@ -275,7 +285,14 @@ class GServer
Diaspora::setRelayContact($server_url, $fields);
}
private static function fetchStatistics($url)
/**
* Fetch server data from '/statistics.json' on the given server
*
* @param string $url URL of the given server
*
* @return array server data
*/
private static function fetchStatistics(string $url)
{
$curlResult = Network::curl($url . '/statistics.json');
if (!$curlResult->isSuccess()) {
@ -325,13 +342,13 @@ class GServer
}
/**
* @brief Detect server type by using the nodeinfo data
* Detect server type by using the nodeinfo data
*
* @param string $url address of the server
* @return array Server data
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
private static function fetchNodeinfo($url, $curlResult)
private static function fetchNodeinfo(string $url, $curlResult)
{
$nodeinfo = json_decode($curlResult->getBody(), true);
@ -374,13 +391,13 @@ class GServer
}
/**
* @brief Parses Nodeinfo 1
* Parses Nodeinfo 1
*
* @param string $nodeinfo_url address of the nodeinfo path
* @return array Server data
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
private static function parseNodeinfo1($nodeinfo_url)
private static function parseNodeinfo1(string $nodeinfo_url)
{
$curlResult = Network::curl($nodeinfo_url);
@ -452,13 +469,13 @@ class GServer
}
/**
* @brief Parses Nodeinfo 2
* Parses Nodeinfo 2
*
* @param string $nodeinfo_url address of the nodeinfo path
* @return array Server data
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
private static function parseNodeinfo2($nodeinfo_url)
private static function parseNodeinfo2(string $nodeinfo_url)
{
$curlResult = Network::curl($nodeinfo_url);
if (!$curlResult->isSuccess()) {
@ -528,7 +545,15 @@ class GServer
return $server;
}
private static function fetchSiteinfo($url, $serverdata)
/**
* Fetch server information from a "siteinfo.json" file on the given server
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function fetchSiteinfo(string $url, array $serverdata)
{
$curlResult = Network::curl($url . '/siteinfo.json');
if (!$curlResult->isSuccess()) {
@ -585,7 +610,14 @@ class GServer
return $serverdata;
}
private static function validHostMeta($url)
/**
* Checks if the server contains a valid host meta file
*
* @param string $url URL of the given server
*
* @return boolean "true" if the server seems to be vital
*/
private static function validHostMeta(string $url)
{
$xrd_timeout = Config::get('system', 'xrd_timeout');
$curlResult = Network::curl($url . '/.well-known/host-meta', false, ['timeout' => $xrd_timeout]);
@ -618,7 +650,15 @@ class GServer
return $valid;
}
private static function detectNetworkViaContacts($url, $serverdata)
/**
* Detect the network of the given server via their known contacts
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function detectNetworkViaContacts(string $url, array $serverdata)
{
$contacts = '';
$fields = ['nurl', 'url'];
@ -658,7 +698,15 @@ class GServer
return $serverdata;
}
private static function checkPoCo($url, $serverdata)
/**
* Checks if the given server does have a "poco" endpoint
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function checkPoCo(string $url, array $serverdata)
{
$curlResult = Network::curl($url. '/poco');
if (!$curlResult->isSuccess()) {
@ -681,7 +729,15 @@ class GServer
return $serverdata;
}
private static function detectNextcloud($url, $serverdata)
/**
* Detects the version number of a given server when it was a NextCloud installation
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function detectNextcloud(string $url, array $serverdata)
{
$curlResult = Network::curl($url . '/status.php');
@ -703,7 +759,15 @@ class GServer
return $serverdata;
}
private static function detectMastodonAlikes($url, $serverdata)
/**
* Detects data from a given server url if it was a mastodon alike system
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function detectMastodonAlikes(string $url, array $serverdata)
{
$curlResult = Network::curl($url . '/api/v1/instance');
@ -747,7 +811,15 @@ class GServer
return $serverdata;
}
private static function detectHubzilla($url, $serverdata)
/**
* Detects data from typical Hubzilla endpoints
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function detectHubzilla(string $url, array $serverdata)
{
$curlResult = Network::curl($url . '/api/statusnet/config.json');
if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) {
@ -813,6 +885,13 @@ class GServer
return $serverdata;
}
/**
* Converts input value to a boolean value
*
* @param string|integer $val
*
* @return boolean
*/
private static function toBoolean($val)
{
if (($val == 'true') || ($val == 1)) {
@ -824,7 +903,15 @@ class GServer
return $val;
}
private static function detectGNUSocial($url, $serverdata)
/**
* Detect if the URL belongs to a GNU Social server
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function detectGNUSocial(string $url, array $serverdata)
{
$curlResult = Network::curl($url . '/api/statusnet/version.json');
@ -852,7 +939,15 @@ class GServer
return $serverdata;
}
private static function detectFriendica($url, $serverdata)
/**
* Detect if the URL belongs to a Friendica server
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function detectFriendica(string $url, array $serverdata)
{
$curlResult = Network::curl($url . '/friendica/json');
if (!$curlResult->isSuccess()) {
@ -908,7 +1003,15 @@ class GServer
return $serverdata;
}
private static function analyseRootBody($curlResult, $serverdata)
/**
* Analyses the landing page of a given server for hints about type and system of that server
*
* @param object $curlResult result of curl execution
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function analyseRootBody($curlResult, array $serverdata)
{
$doc = new DOMDocument();
@$doc->loadHTML($curlResult->getBody());
@ -1017,7 +1120,15 @@ class GServer
return $serverdata;
}
private static function analyseRootHeader($curlResult, $serverdata)
/**
* Analyses the header data of a given server for hints about type and system of that server
*
* @param object $curlResult result of curl execution
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function analyseRootHeader($curlResult, array $serverdata)
{
if ($curlResult->getHeader('server') == 'Mastodon') {
$serverdata['platform'] = 'mastodon';