]> git.mxchange.org Git - friendica.git/blobdiff - src/Network/Probe.php
Fix update password rehash
[friendica.git] / src / Network / Probe.php
index 37ca51d8ab8462f766098a95a87be7f474a6f7fc..d14c623e864b7f6df93407f1fc52f21bbbd86ab5 100644 (file)
@@ -1,11 +1,12 @@
 <?php
-
+/**
+ * @file src/Network/Probe.php
+ */
 namespace Friendica\Network;
 
 /**
  * @file src/Network/Probe.php
  * @brief Functions for probing URL
- *
  */
 
 use Friendica\App;
@@ -13,22 +14,25 @@ use Friendica\Core\System;
 use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
+use Friendica\Model\Profile;
+use Friendica\Protocol\Email;
+use Friendica\Protocol\Feed;
+use Friendica\Util\Crypto;
+use Friendica\Util\Network;
 use Friendica\Util\XML;
 
 use dba;
-use DomXPath;
+use DOMXPath;
 use DOMDocument;
 
-require_once 'include/feed.php';
-require_once 'include/email.php';
-require_once 'include/network.php';
+require_once 'include/dba.php';
 
 /**
  * @brief This class contain functions for probing URL
  *
  */
-class Probe {
-
+class Probe
+{
        private static $baseurl;
 
        /**
@@ -38,13 +42,14 @@ class Probe {
         *
         * @return array Ordered data
         */
-       private static function rearrangeData($data) {
-               $fields = array("name", "nick", "guid", "url", "addr", "alias",
+       private static function rearrangeData($data)
+       {
+               $fields = ["name", "nick", "guid", "url", "addr", "alias",
                                "photo", "community", "keywords", "location", "about",
                                "batch", "notify", "poll", "request", "confirm", "poco",
-                               "priority", "network", "pubkey", "baseurl");
+                               "priority", "network", "pubkey", "baseurl"];
 
-               $newdata = array();
+               $newdata = [];
                foreach ($fields as $field) {
                        if (isset($data[$field])) {
                                $newdata[$field] = $data[$field];
@@ -66,7 +71,8 @@ class Probe {
         *
         * @return bool Does the testes hostname belongs to the own server?
         */
-       private static function ownHost($host) {
+       private static function ownHost($host)
+       {
                $own_host = get_app()->get_hostname();
 
                $parts = parse_url($host);
@@ -84,12 +90,15 @@ class Probe {
        /**
         * @brief Probes for webfinger path via "host-meta"
         *
+        * We have to check if the servers in the future still will offer this.
+        * It seems as if it was dropped from the standard.
+        *
         * @param string $host The host part of an url
         *
         * @return array with template and type of the webfinger template for JSON or XML
         */
-       private static function hostMeta($host) {
-
+       private static function hostMeta($host)
+       {
                // Reset the static variable
                self::$baseurl = '';
 
@@ -101,35 +110,35 @@ class Probe {
 
                logger("Probing for ".$host, LOGGER_DEBUG);
 
-               $ret = z_fetch_url($ssl_url, false, $redirects, array('timeout' => $xrd_timeout, 'accept_content' => 'application/xrd+xml'));
+               $ret = Network::curl($ssl_url, false, $redirects, ['timeout' => $xrd_timeout, 'accept_content' => 'application/xrd+xml']);
                if ($ret['success']) {
                        $xml = $ret['body'];
-                       $xrd = parse_xml_string($xml, false);
+                       $xrd = XML::parseString($xml, false);
                        $host_url = 'https://'.$host;
                }
 
                if (!is_object($xrd)) {
-                       $ret = z_fetch_url($url, false, $redirects, array('timeout' => $xrd_timeout, 'accept_content' => 'application/xrd+xml'));
+                       $ret = Network::curl($url, false, $redirects, ['timeout' => $xrd_timeout, 'accept_content' => 'application/xrd+xml']);
                        if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
                                logger("Probing timeout for ".$url, LOGGER_DEBUG);
                                return false;
                        }
                        $xml = $ret['body'];
-                       $xrd = parse_xml_string($xml, false);
+                       $xrd = XML::parseString($xml, false);
                        $host_url = 'http://'.$host;
                }
                if (!is_object($xrd)) {
                        logger("No xrd object found for ".$host, LOGGER_DEBUG);
-                       return array();
+                       return [];
                }
 
-               $links = XML::element_to_array($xrd);
+               $links = XML::elementToArray($xrd);
                if (!isset($links["xrd"]["link"])) {
                        logger("No xrd data found for ".$host, LOGGER_DEBUG);
-                       return array();
+                       return [];
                }
 
-               $lrdd = array();
+               $lrdd = [];
                // The following webfinger path is defined in RFC 7033 https://tools.ietf.org/html/rfc7033
                // Problem is that Hubzilla currently doesn't provide all data in the JSON webfinger
                // compared to the XML webfinger. So this is commented out by now.
@@ -173,13 +182,13 @@ class Probe {
         * amended 7/9/2011 to return an hcard which could save potentially loading
         * a lengthy content page to scrape dfrn attributes
         *
-        * @param string $webbie Address that should be probed
+        * @param string $webbie    Address that should be probed
         * @param string $hcard_url Link to the hcard - is returned by reference
         *
         * @return string profile link
         */
-       public static function webfingerDfrn($webbie, &$hcard_url) {
-
+       public static function webfingerDfrn($webbie, &$hcard_url)
+       {
                $profile_link = '';
 
                $links = self::lrdd($webbie);
@@ -203,7 +212,7 @@ class Probe {
        /**
         * @brief Check an URI for LRDD data
         *
-        * this is a replacement for the "lrdd" function in include/network.php.
+        * this is a replacement for the "lrdd" function.
         * It isn't used in this class and has some redundancies in the code.
         * When time comes we can check the existing calls for "lrdd" if we can rework them.
         *
@@ -211,19 +220,19 @@ class Probe {
         *
         * @return array uri data
         */
-       public static function lrdd($uri) {
-
+       public static function lrdd($uri)
+       {
                $lrdd = self::hostMeta($uri);
                $webfinger = null;
 
                if (is_bool($lrdd)) {
-                       return array();
+                       return [];
                }
 
                if (!$lrdd) {
                        $parts = @parse_url($uri);
                        if (!$parts) {
-                               return array();
+                               return [];
                        }
 
                        $host = $parts["host"];
@@ -243,10 +252,10 @@ class Probe {
 
                if (!$lrdd) {
                        logger("No lrdd data found for ".$uri, LOGGER_DEBUG);
-                       return array();
+                       return [];
                }
 
-               foreach ($lrdd AS $type => $template) {
+               foreach ($lrdd as $type => $template) {
                        if ($webfinger) {
                                continue;
                        }
@@ -278,17 +287,17 @@ class Probe {
                        return false;
                }
 
-               $data = array();
+               $data = [];
 
                foreach ($webfinger["links"] as $link) {
-                       $data[] = array("@attributes" => $link);
+                       $data[] = ["@attributes" => $link];
                }
 
                if (is_array($webfinger["aliases"])) {
                        foreach ($webfinger["aliases"] as $alias) {
-                               $data[] = array("@attributes" =>
-                                                       array("rel" => "alias",
-                                                               "href" => $alias));
+                               $data[] = ["@attributes" =>
+                                                       ["rel" => "alias",
+                                                               "href" => $alias]];
                        }
                }
 
@@ -298,15 +307,15 @@ class Probe {
        /**
         * @brief Fetch information (protocol endpoints and user information) about a given uri
         *
-        * @param string $uri Address that should be probed
-        * @param string $network Test for this specific network
-        * @param integer $uid User ID for the probe (only used for mails)
-        * @param boolean $cache Use cached values?
+        * @param string  $uri     Address that should be probed
+        * @param string  $network Test for this specific network
+        * @param integer $uid     User ID for the probe (only used for mails)
+        * @param boolean $cache   Use cached values?
         *
         * @return array uri data
         */
-       public static function uri($uri, $network = "", $uid = -1, $cache = true) {
-
+       public static function uri($uri, $network = "", $uid = -1, $cache = true)
+       {
                if ($cache) {
                        $result = Cache::get("Probe::uri:".$network.":".$uri);
                        if (!is_null($result)) {
@@ -324,8 +333,8 @@ class Probe {
                        $data["url"] = $uri;
                }
 
-               if ($data["photo"] != "") {
-                       $data["baseurl"] = matching_url(normalise_link($data["baseurl"]), normalise_link($data["photo"]));
+               if (x($data, "photo")) {
+                       $data["baseurl"] = Network::getUrlMatch(normalise_link($data["baseurl"]), normalise_link($data["photo"]));
                } else {
                        $data["photo"] = System::baseUrl().'/images/person-175.jpg';
                }
@@ -335,7 +344,7 @@ class Probe {
                                $data["name"] = $data["nick"];
                        }
 
-                       if ($data["name"] == "") {
+                       if (!x($data, "name")) {
                                $data["name"] = $data["url"];
                        }
                }
@@ -359,7 +368,7 @@ class Probe {
                $data = self::rearrangeData($data);
 
                // Only store into the cache if the value seems to be valid
-               if (!in_array($data['network'], array(NETWORK_PHANTOM, NETWORK_MAIL))) {
+               if (!in_array($data['network'], [NETWORK_PHANTOM, NETWORK_MAIL])) {
                        Cache::set("Probe::uri:".$network.":".$uri, $data, CACHE_DAY);
 
                        /// @todo temporary fix - we need a real contact update function that updates only changing fields
@@ -374,7 +383,7 @@ class Probe {
                                && $data["addr"]
                                && $data["poll"]
                        ) {
-                               $fields = array('name' => $data['name'],
+                               $fields = ['name' => $data['name'],
                                                'nick' => $data['nick'],
                                                'url' => $data['url'],
                                                'addr' => $data['addr'],
@@ -384,11 +393,11 @@ class Probe {
                                                'about' => $data['about'],
                                                'notify' => $data['notify'],
                                                'network' => $data['network'],
-                                               'server_url' => $data['baseurl']);
+                                               'server_url' => $data['baseurl']];
 
-                               $fieldnames = array();
+                               $fieldnames = [];
 
-                               foreach ($fields AS $key => $val) {
+                               foreach ($fields as $key => $val) {
                                        if (empty($val)) {
                                                unset($fields[$key]);
                                        } else {
@@ -398,13 +407,13 @@ class Probe {
 
                                $fields['updated'] = DBM::date();
 
-                               $condition = array('nurl' => normalise_link($data["url"]));
+                               $condition = ['nurl' => normalise_link($data["url"])];
 
-                               $old_fields = dba::select('gcontact', $fieldnames, $condition, array('limit' => 1));
+                               $old_fields = dba::selectFirst('gcontact', $fieldnames, $condition);
 
                                dba::update('gcontact', $fields, $condition, $old_fields);
 
-                               $fields = array('name' => $data['name'],
+                               $fields = ['name' => $data['name'],
                                                'nick' => $data['nick'],
                                                'url' => $data['url'],
                                                'addr' => $data['addr'],
@@ -419,11 +428,11 @@ class Probe {
                                                'confirm' => $data['confirm'],
                                                'poco' => $data['poco'],
                                                'network' => $data['network'],
-                                               'success_update' => DBM::date());
+                                               'success_update' => DBM::date()];
 
-                               $fieldnames = array();
+                               $fieldnames = [];
 
-                               foreach ($fields AS $key => $val) {
+                               foreach ($fields as $key => $val) {
                                        if (empty($val)) {
                                                unset($fields[$key]);
                                        } else {
@@ -431,9 +440,9 @@ class Probe {
                                        }
                                }
 
-                               $condition = array('nurl' => normalise_link($data["url"]), 'self' => false, 'uid' => 0);
+                               $condition = ['nurl' => normalise_link($data["url"]), 'self' => false, 'uid' => 0];
 
-                               $old_fields = dba::select('contact', $fieldnames, $condition, array('limit' => 1));
+                               $old_fields = dba::selectFirst('contact', $fieldnames, $condition);
 
                                dba::update('contact', $fields, $condition, $old_fields);
                        }
@@ -449,7 +458,8 @@ class Probe {
         *
         * @return string switched URL
         */
-       private static function switchScheme($url) {
+       private static function switchScheme($url)
+       {
                $parts = parse_url($url);
 
                if (!isset($parts['scheme'])) {
@@ -468,12 +478,14 @@ class Probe {
        /**
         * @brief Checks if a profile url should be OStatus but only provides partial information
         *
-        * @param array $webfinger Webfinger data
-        * @param string $lrdd Path template for webfinger request
+        * @param array  $webfinger Webfinger data
+        * @param string $lrdd      Path template for webfinger request
+        * @param string $type      type
         *
         * @return array fixed webfinger data
         */
-       private static function fixOstatus($webfinger, $lrdd, $type) {
+       private static function fixOStatus($webfinger, $lrdd, $type)
+       {
                if (empty($webfinger['links']) || empty($webfinger['subject'])) {
                        return $webfinger;
                }
@@ -511,13 +523,14 @@ class Probe {
         *
         * This function is only called by the "uri" function that adds caching and rearranging of data.
         *
-        * @param string $uri Address that should be probed
-        * @param string $network Test for this specific network
-        * @param integer $uid User ID for the probe (only used for mails)
+        * @param string  $uri     Address that should be probed
+        * @param string  $network Test for this specific network
+        * @param integer $uid     User ID for the probe (only used for mails)
         *
         * @return array uri data
         */
-       private static function detect($uri, $network, $uid) {
+       private static function detect($uri, $network, $uid)
+       {
                $parts = parse_url($uri);
 
                if (!empty($parts["scheme"]) && !empty($parts["host"]) && !empty($parts["path"])) {
@@ -527,12 +540,12 @@ class Probe {
                        }
 
                        if ($host == 'twitter.com') {
-                               return array("network" => NETWORK_TWITTER);
+                               return ["network" => NETWORK_TWITTER];
                        }
                        $lrdd = self::hostMeta($host);
 
                        if (is_bool($lrdd)) {
-                               return array();
+                               return [];
                        }
 
                        $path_parts = explode("/", trim($parts["path"], "/"));
@@ -551,7 +564,6 @@ class Probe {
                        $nick = ltrim($nick, '@');
 
                        $addr = $nick."@".$host;
-
                } elseif (strstr($uri, '@')) {
                        // If the URI starts with "mailto:" then jump directly to the mail detection
                        if (strpos($uri, 'mailto:') !== false) {
@@ -569,12 +581,12 @@ class Probe {
                        $nick = substr($uri, 0, strpos($uri, '@'));
 
                        if (strpos($uri, '@twitter.com')) {
-                               return array("network" => NETWORK_TWITTER);
+                               return ["network" => NETWORK_TWITTER];
                        }
                        $lrdd = self::hostMeta($host);
 
                        if (is_bool($lrdd)) {
-                               return array();
+                               return [];
                        }
 
                        if (!$lrdd) {
@@ -582,7 +594,6 @@ class Probe {
                                return self::mail($uri, $uid);
                        }
                        $addr = $uri;
-
                } else {
                        logger("Uri ".$uri." was not detectable", LOGGER_DEBUG);
                        return false;
@@ -592,7 +603,7 @@ class Probe {
 
                /// @todo Do we need the prefix "acct:" or "acct://"?
 
-               foreach ($lrdd AS $type => $template) {
+               foreach ($lrdd as $type => $template) {
                        if ($webfinger) {
                                continue;
                        }
@@ -602,7 +613,7 @@ class Probe {
                        $webfinger = self::webfinger($path, $type);
 
                        // Fix possible problems with GNU Social probing to wrong scheme
-                       $webfinger = self::fixOstatus($webfinger, $template, $type);
+                       $webfinger = self::fixOStatus($webfinger, $template, $type);
 
                        // We cannot be sure that the detected address was correct, so we don't use the values
                        if ($webfinger && ($uri != $addr)) {
@@ -631,7 +642,7 @@ class Probe {
 
                logger("Probing ".$uri, LOGGER_DEBUG);
 
-               if (in_array($network, array("", NETWORK_DFRN))) {
+               if (in_array($network, ["", NETWORK_DFRN])) {
                        $result = self::dfrn($webfinger);
                }
                if ((!$result && ($network == "")) || ($network == NETWORK_DIASPORA)) {
@@ -641,7 +652,7 @@ class Probe {
                        $result = self::ostatus($webfinger);
                }
                if ((!$result && ($network == "")) || ($network == NETWORK_PUMPIO)) {
-                       $result = self::pumpio($webfinger);
+                       $result = self::pumpio($webfinger, $addr);
                }
                if ((!$result && ($network == "")) || ($network == NETWORK_FEED)) {
                        $result = self::feed($uri);
@@ -665,7 +676,6 @@ class Probe {
                                $result["baseurl"] = substr($result["url"], 0, $pos).$host;
                        }
                }
-
                return $result;
        }
 
@@ -674,17 +684,18 @@ class Probe {
         *
         * For details see RFC 7033: <https://tools.ietf.org/html/rfc7033>
         *
-        * @param string $url Address that should be probed
+        * @param string $url  Address that should be probed
+        * @param string $type type
         *
         * @return array webfinger data
         */
-       private static function webfinger($url, $type) {
-
+       private static function webfinger($url, $type)
+       {
                $xrd_timeout = Config::get('system', 'xrd_timeout', 20);
                $redirects = 0;
 
-               $ret = z_fetch_url($url, false, $redirects, array('timeout' => $xrd_timeout, 'accept_content' => $type));
-                       if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
+               $ret = Network::curl($url, false, $redirects, ['timeout' => $xrd_timeout, 'accept_content' => $type]);
+               if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
                        return false;
                }
                $data = $ret['body'];
@@ -699,19 +710,19 @@ class Probe {
                }
 
                // If it is not JSON, maybe it is XML
-               $xrd = parse_xml_string($data, false);
+               $xrd = XML::parseString($data, false);
                if (!is_object($xrd)) {
                        logger("No webfinger data retrievable for ".$url, LOGGER_DEBUG);
                        return false;
                }
 
-               $xrd_arr = XML::element_to_array($xrd);
+               $xrd_arr = XML::elementToArray($xrd);
                if (!isset($xrd_arr["xrd"]["link"])) {
                        logger("No XML webfinger links for ".$url, LOGGER_DEBUG);
                        return false;
                }
 
-               $webfinger = array();
+               $webfinger = [];
 
                if (!empty($xrd_arr["xrd"]["subject"])) {
                        $webfinger["subject"] = $xrd_arr["xrd"]["subject"];
@@ -721,7 +732,7 @@ class Probe {
                        $webfinger["aliases"] = $xrd_arr["xrd"]["alias"];
                }
 
-               $webfinger["links"] = array();
+               $webfinger["links"] = [];
 
                foreach ($xrd_arr["xrd"]["link"] as $value => $data) {
                        if (!empty($data["@attributes"])) {
@@ -744,12 +755,13 @@ class Probe {
         * This functionality was originally created for the directory.
         *
         * @param string $noscrape_url Link to the noscrape page
-        * @param array $data The already fetched data
+        * @param array  $data         The already fetched data
         *
         * @return array noscrape data
         */
-       private static function pollNoscrape($noscrape_url, $data) {
-               $ret = z_fetch_url($noscrape_url);
+       private static function pollNoscrape($noscrape_url, $data)
+       {
+               $ret = Network::curl($noscrape_url);
                if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
                        return false;
                }
@@ -792,7 +804,7 @@ class Probe {
                        }
                }
 
-               $location = formatted_location($json);
+               $location = Profile::formatLocation($json);
                if ($location) {
                        $data["location"] = $location;
                }
@@ -835,7 +847,8 @@ class Probe {
         *
         * @return int Number of errors
         */
-       public static function validDfrn($data) {
+       public static function validDfrn($data)
+       {
                $errors = 0;
                if (!isset($data['key'])) {
                        $errors ++;
@@ -862,14 +875,14 @@ class Probe {
         *
         * @return array profile data
         */
-       public static function profile($profile_link) {
-
-               $data = array();
+       public static function profile($profile_link)
+       {
+               $data = [];
 
                logger("Check profile ".$profile_link, LOGGER_DEBUG);
 
                // Fetch data via noscrape - this is faster
-               $noscrape_url = str_replace(array("/hcard/", "/profile/"), "/noscrape/", $profile_link);
+               $noscrape_url = str_replace(["/hcard/", "/profile/"], "/noscrape/", $profile_link);
                $data = self::pollNoscrape($noscrape_url, $data);
 
                if (!isset($data["notify"])
@@ -883,7 +896,7 @@ class Probe {
                        $data = self::pollHcard($profile_link, $data, true);
                }
 
-               $prof_data = array();
+               $prof_data = [];
                $prof_data["addr"]         = $data["addr"];
                $prof_data["nick"]         = $data["nick"];
                $prof_data["dfrn-request"] = $data["request"];
@@ -907,9 +920,10 @@ class Probe {
         *
         * @return array DFRN data
         */
-       private static function dfrn($webfinger) {
+       private static function dfrn($webfinger)
+       {
                $hcard_url = "";
-               $data = array();
+               $data = [];
                foreach ($webfinger["links"] as $link) {
                        if (($link["rel"] == NAMESPACE_DFRN) && ($link["href"] != "")) {
                                $data["network"] = NETWORK_DFRN;
@@ -932,7 +946,7 @@ class Probe {
 
                                //if (strstr($data["pubkey"], 'RSA ') || ($link["type"] == "RSA"))
                                if (strstr($data["pubkey"], 'RSA ')) {
-                                       $data["pubkey"] = rsatopem($data["pubkey"]);
+                                       $data["pubkey"] = Crypto::rsaToPem($data["pubkey"]);
                                }
                        }
                }
@@ -947,6 +961,10 @@ class Probe {
                        }
                }
 
+               if (substr($webfinger["subject"], 0, 5) == "acct:") {
+                       $data["addr"] = substr($webfinger["subject"], 5);
+               }
+
                if (!isset($data["network"]) || ($hcard_url == "")) {
                        return false;
                }
@@ -973,14 +991,15 @@ class Probe {
        /**
         * @brief Poll the hcard page (Diaspora and Friendica specific)
         *
-        * @param string $hcard_url Link to the hcard page
-        * @param array $data The already fetched data
-        * @param boolean $dfrn Poll DFRN specific data
+        * @param string  $hcard_url Link to the hcard page
+        * @param array   $data      The already fetched data
+        * @param boolean $dfrn      Poll DFRN specific data
         *
         * @return array hcard data
         */
-       private static function pollHcard($hcard_url, $data, $dfrn = false) {
-               $ret = z_fetch_url($hcard_url);
+       private static function pollHcard($hcard_url, $data, $dfrn = false)
+       {
+               $ret = Network::curl($hcard_url);
                if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
                        return false;
                }
@@ -1030,7 +1049,7 @@ class Probe {
                        if ($search->length > 0) {
                                $data["pubkey"] = $search->item(0)->nodeValue;
                                if (strstr($data["pubkey"], 'RSA ')) {
-                                       $data["pubkey"] = rsatopem($data["pubkey"]);
+                                       $data["pubkey"] = Crypto::rsaToPem($data["pubkey"]);
                                }
                        }
 
@@ -1040,10 +1059,10 @@ class Probe {
                        }
                }
 
-               $avatar = array();
+               $avatar = [];
                $photos = $xpath->query("//*[contains(concat(' ', @class, ' '), ' photo ') or contains(concat(' ', @class, ' '), ' avatar ')]", $vcard); // */
                foreach ($photos as $photo) {
-                       $attr = array();
+                       $attr = [];
                        foreach ($photo->attributes as $attribute) {
                                $attr[$attribute->name] = trim($attribute->value);
                        }
@@ -1070,7 +1089,7 @@ class Probe {
                        if ($search->length > 0) {
                                foreach ($search as $link) {
                                        //$data["request"] = $search->item(0)->nodeValue;
-                                       $attr = array();
+                                       $attr = [];
                                        foreach ($link->attributes as $attribute) {
                                                $attr[$attribute->name] = trim($attribute->value);
                                        }
@@ -1096,9 +1115,10 @@ class Probe {
         *
         * @return array Diaspora data
         */
-       private static function diaspora($webfinger) {
+       private static function diaspora($webfinger)
+       {
                $hcard_url = "";
-               $data = array();
+               $data = [];
                foreach ($webfinger["links"] as $link) {
                        if (($link["rel"] == "http://microformats.org/profile/hcard") && ($link["href"] != "")) {
                                $hcard_url = $link["href"];
@@ -1119,7 +1139,7 @@ class Probe {
 
                                //if (strstr($data["pubkey"], 'RSA ') || ($link["type"] == "RSA"))
                                if (strstr($data["pubkey"], 'RSA ')) {
-                                       $data["pubkey"] = rsatopem($data["pubkey"]);
+                                       $data["pubkey"] = Crypto::rsaToPem($data["pubkey"]);
                                }
                        }
                }
@@ -1174,12 +1194,13 @@ class Probe {
         * @brief Check for OStatus contact
         *
         * @param array $webfinger Webfinger data
-        * @param bool $short Short detection mode
+        * @param bool  $short     Short detection mode
         *
         * @return array|bool OStatus data or "false" on error or "true" on short mode
         */
-       private static function ostatus($webfinger, $short = false) {
-               $data = array();
+       private static function ostatus($webfinger, $short = false)
+       {
+               $data = [];
 
                if (is_array($webfinger["aliases"])) {
                        foreach ($webfinger["aliases"] as $alias) {
@@ -1189,8 +1210,9 @@ class Probe {
                        }
                }
 
-               if (is_string($webfinger["subject"]) && strstr($webfinger["subject"], "@") &&
-                       !strstr(normalise_link($webfinger["subject"]), "http://")) {
+               if (is_string($webfinger["subject"]) && strstr($webfinger["subject"], "@")
+                       && !strstr(normalise_link($webfinger["subject"]), "http://")
+               ) {
                        $data["addr"] = str_replace('acct:', '', $webfinger["subject"]);
                }
 
@@ -1216,7 +1238,7 @@ class Probe {
                                                        $pubkey = substr($pubkey, 5);
                                                }
                                        } elseif (normalise_link($pubkey) == 'http://') {
-                                               $ret = z_fetch_url($pubkey);
+                                               $ret = Network::curl($pubkey);
                                                if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
                                                        return false;
                                                }
@@ -1228,7 +1250,7 @@ class Probe {
                                        if (sizeof($key) >= 3) {
                                                $m = base64url_decode($key[1]);
                                                $e = base64url_decode($key[2]);
-                                               $data["pubkey"] = metopem($m, $e);
+                                               $data["pubkey"] = Crypto::meToPem($m, $e);
                                        }
                                }
                        }
@@ -1248,12 +1270,12 @@ class Probe {
                }
 
                // Fetch all additional data from the feed
-               $ret = z_fetch_url($data["poll"]);
+               $ret = Network::curl($data["poll"]);
                if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
                        return false;
                }
                $feed = $ret['body'];
-               $feed_data = feed_import($feed, $dummy1, $dummy2, $dummy3, true);
+               $feed_data = Feed::import($feed, $dummy1, $dummy2, $dummy3, true);
                if (!$feed_data) {
                        return false;
                }
@@ -1298,8 +1320,8 @@ class Probe {
         *
         * @return array profile data
         */
-       private static function pumpioProfileData($profile_link) {
-
+       private static function pumpioProfileData($profile_link)
+       {
                $doc = new DOMDocument();
                if (!@$doc->loadHTMLFile($profile_link)) {
                        return false;
@@ -1307,16 +1329,35 @@ class Probe {
 
                $xpath = new DomXPath($doc);
 
-               $data = array();
+               $data = [];
+
+               $data["name"] = $xpath->query("//span[contains(@class, 'p-name')]")->item(0)->nodeValue;
+
+               if ($data["name"] == '') {
+                       // This is ugly - but pump.io doesn't seem to know a better way for it
+                       $data["name"] = trim($xpath->query("//h1[@class='media-header']")->item(0)->nodeValue);
+                       $pos = strpos($data["name"], chr(10));
+                       if ($pos) {
+                               $data["name"] = trim(substr($data["name"], 0, $pos));
+                       }
+               }
+
+               $data["location"] = $xpath->query("//p[contains(@class, 'p-locality')]")->item(0)->nodeValue;
+
+               if ($data["location"] == '') {
+                       $data["location"] = $xpath->query("//p[contains(@class, 'location')]")->item(0)->nodeValue;
+               }
+
+               $data["about"] = $xpath->query("//p[contains(@class, 'p-note')]")->item(0)->nodeValue;
 
-               // This is ugly - but pump.io doesn't seem to know a better way for it
-               $data["name"] = trim($xpath->query("//h1[@class='media-header']")->item(0)->nodeValue);
-               $pos = strpos($data["name"], chr(10));
-               if ($pos) {
-                       $data["name"] = trim(substr($data["name"], 0, $pos));
+               if ($data["about"] == '') {
+                       $data["about"] = $xpath->query("//p[contains(@class, 'summary')]")->item(0)->nodeValue;
                }
 
-               $avatar = $xpath->query("//img[@class='img-rounded media-object']")->item(0);
+               $avatar = $xpath->query("//img[contains(@class, 'u-photo')]")->item(0);
+               if (!$avatar) {
+                       $avatar = $xpath->query("//img[@class='img-rounded media-object']")->item(0);
+               }
                if ($avatar) {
                        foreach ($avatar->attributes as $attribute) {
                                if ($attribute->name == "src") {
@@ -1325,9 +1366,6 @@ class Probe {
                        }
                }
 
-               $data["location"] = $xpath->query("//p[@class='location']")->item(0)->nodeValue;
-               $data["about"] = $xpath->query("//p[@class='summary']")->item(0)->nodeValue;
-
                return $data;
        }
 
@@ -1338,9 +1376,9 @@ class Probe {
         *
         * @return array pump.io data
         */
-       private static function pumpio($webfinger) {
-
-               $data = array();
+       private static function pumpio($webfinger, $addr)
+       {
+               $data = [];
                foreach ($webfinger["links"] as $link) {
                        if (($link["rel"] == "http://webfinger.net/rel/profile-page")
                                && ($link["type"] == "text/html")
@@ -1376,6 +1414,13 @@ class Probe {
 
                $data = array_merge($data, $profile_data);
 
+               if (($addr != '') && ($data['name'] != '')) {
+                       $name = trim(str_replace($addr, '', $data['name']));
+                       if ($name != '') {
+                               $data['name'] = $name;
+                       }
+               }
+
                return $data;
        }
 
@@ -1386,7 +1431,8 @@ class Probe {
         *
         * @return string feed link
         */
-       private static function getFeedLink($url) {
+       private static function getFeedLink($url)
+       {
                $doc = new DOMDocument();
 
                if (!@$doc->loadHTMLFile($url)) {
@@ -1408,7 +1454,7 @@ class Probe {
                $feed_url = "";
 
                foreach ($feeds as $feed) {
-                       $attr = array();
+                       $attr = [];
                        foreach ($feed->attributes as $attribute) {
                                $attr[$attribute->name] = trim($attribute->value);
                        }
@@ -1424,18 +1470,19 @@ class Probe {
        /**
         * @brief Check for feed contact
         *
-        * @param string $url Profile link
+        * @param string  $url   Profile link
         * @param boolean $probe Do a probe if the page contains a feed link
         *
         * @return array feed data
         */
-       private static function feed($url, $probe = true) {
-               $ret = z_fetch_url($url);
+       private static function feed($url, $probe = true)
+       {
+               $ret = Network::curl($url);
                if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
                        return false;
                }
                $feed = $ret['body'];
-               $feed_data = feed_import($feed, $dummy1, $dummy2, $dummy3, true);
+               $feed_data = Feed::import($feed, $dummy1, $dummy2, $dummy3, true);
 
                if (!$feed_data) {
                        if (!$probe) {
@@ -1484,53 +1531,55 @@ class Probe {
        /**
         * @brief Check for mail contact
         *
-        * @param string $uri Profile link
+        * @param string  $uri Profile link
         * @param integer $uid User ID
         *
         * @return array mail data
         */
-       private static function mail($uri, $uid) {
+       private static function mail($uri, $uid)
+       {
+               if (!Network::isEmailDomainValid($uri)) {
+                       return false;
+               }
 
-               if (!validate_email($uri)) {
+               if ($uid == 0) {
                        return false;
                }
 
-               if ($uid != 0) {
-                       $x = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d LIMIT 1", intval($uid));
+               $x = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d LIMIT 1", intval($uid));
 
-                       $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1", intval($uid));
+               $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1", intval($uid));
 
-                       if (DBM::is_result($x) && DBM::is_result($r)) {
-                               $mailbox = construct_mailbox_name($r[0]);
-                               $password = '';
-                               openssl_private_decrypt(hex2bin($r[0]['pass']), $password, $x[0]['prvkey']);
-                               $mbox = email_connect($mailbox, $r[0]['user'], $password);
-                               if (!mbox) {
-                                       return false;
-                               }
+               if (DBM::is_result($x) && DBM::is_result($r)) {
+                       $mailbox = Email::constructMailboxName($r[0]);
+                       $password = '';
+                       openssl_private_decrypt(hex2bin($r[0]['pass']), $password, $x[0]['prvkey']);
+                       $mbox = Email::connect($mailbox, $r[0]['user'], $password);
+                       if (!$mbox) {
+                               return false;
                        }
+               }
 
-                       $msgs = email_poll($mbox, $uri);
-                       logger('searching '.$uri.', '.count($msgs).' messages found.', LOGGER_DEBUG);
+               $msgs = Email::poll($mbox, $uri);
+               logger('searching '.$uri.', '.count($msgs).' messages found.', LOGGER_DEBUG);
 
-                       if (!count($msgs)) {
-                               return false;
-                       }
+               if (!count($msgs)) {
+                       return false;
                }
 
                $phost = substr($uri, strpos($uri, '@') + 1);
 
-               $data = array();
+               $data = [];
                $data["addr"]    = $uri;
                $data["network"] = NETWORK_MAIL;
                $data["name"]    = substr($uri, 0, strpos($uri, '@'));
                $data["nick"]    = $data["name"];
-               $data["photo"]   = avatar_img($uri);
+               $data["photo"]   = Network::lookupAvatarByEmail($uri);
                $data["url"]     = 'mailto:'.$uri;
                $data["notify"]  = 'smtp '.random_string();
                $data["poll"]    = 'email '.random_string();
 
-               $x = email_msg_meta($mbox, $msgs[0]);
+               $x = Email::messageMeta($mbox, $msgs[0]);
                if (stristr($x[0]->from, $uri)) {
                        $adr = imap_rfc822_parse_adrlist($x[0]->from, '');
                } elseif (stristr($x[0]->to, $uri)) {
@@ -1567,11 +1616,12 @@ class Probe {
         * @brief Mix two paths together to possibly fix missing parts
         *
         * @param string $avatar Path to the avatar
-        * @param string $base Another path that is hopefully complete
+        * @param string $base   Another path that is hopefully complete
         *
         * @return string fixed avatar path
         */
-       public static function fixAvatar($avatar, $base) {
+       public static function fixAvatar($avatar, $base)
+       {
                $base_parts = parse_url($base);
 
                // Remove all parts that could create a problem