+/**
+ * @brief Detect server type (Hubzilla or Friendica) via the poco data
+ *
+ * @param object $data POCO data
+ * @return array Server data
+ */
+function poco_detect_poco_data($data) {
+ $server = false;
+
+ if (!isset($data->entry)) {
+ return false;
+ }
+
+ if (count($data->entry) == 0) {
+ return false;
+ }
+
+ if (!isset($data->entry[0]->urls)) {
+ return false;
+ }
+
+ if (count($data->entry[0]->urls) == 0) {
+ return false;
+ }
+
+ foreach ($data->entry[0]->urls AS $url) {
+ if ($url->type == 'zot') {
+ $server = array();
+ $server["platform"] = 'Hubzilla';
+ $server["network"] = NETWORK_DIASPORA;
+ return $server;
+ }
+ }
+ return false;
+}
+
+/**
+ * @brief Detect server type (Hubzilla or Friendica) via the front page body
+ *
+ * @param string $body Front page of the server
+ * @return array Server data
+ */
+function poco_detect_server_type($body) {
+ $server = false;
+
+ $doc = new \DOMDocument();
+ @$doc->loadHTML($body);
+ $xpath = new \DomXPath($doc);
+
+ $list = $xpath->query("//meta[@name]");
+
+ foreach ($list as $node) {
+ $attr = array();
+ if ($node->attributes->length) {
+ foreach ($node->attributes as $attribute) {
+ $attr[$attribute->name] = $attribute->value;
+ }
+ }
+ if ($attr['name'] == 'generator') {
+ $version_part = explode(" ", $attr['content']);
+ if (count($version_part) == 2) {
+ if (in_array($version_part[0], array("Friendika", "Friendica"))) {
+ $server = array();
+ $server["platform"] = $version_part[0];
+ $server["version"] = $version_part[1];
+ $server["network"] = NETWORK_DFRN;
+ }
+ }
+ }
+ }
+
+ if (!$server) {
+ $list = $xpath->query("//meta[@property]");
+
+ foreach ($list as $node) {
+ $attr = array();
+ if ($node->attributes->length) {
+ foreach ($node->attributes as $attribute) {
+ $attr[$attribute->name] = $attribute->value;
+ }
+ }
+ if ($attr['property'] == 'generator') {
+ if (in_array($attr['content'], array("hubzilla", "BlaBlaNet"))) {
+ $server = array();
+ $server["platform"] = $attr['content'];
+ $server["version"] = "";
+ $server["network"] = NETWORK_DIASPORA;
+ }
+ }
+ }
+ }
+
+ if (!$server) {
+ return false;
+ }
+
+ $server["site_name"] = $xpath->evaluate($element."//head/title/text()", $context)->item(0)->nodeValue;
+ return $server;
+}
+