Merge pull request #12238 from MrPetovan/task/refactor-dcontact

New table "diaspora-contact" (new paradigm) v34 FINAL
2022-12-05 07:38:05 +01:00 · 2022-12-05 07:38:05 +01:00 · 73742812d1
parent 32a9f39768 818cdf83ca
commit 73742812d1
25 changed files with 1340 additions and 643 deletions
--- a/database.sql
+++ b/database.sql
@ -1,6 +1,6 @@
 -- ------------------------------------------
 -- Friendica 2022.12-dev (Giant Rhubarb)
-- DB_UPDATE_VERSION 1497
+-- DB_UPDATE_VERSION 1500
 -- ------------------------------------------


@ -578,6 +578,40 @@ CREATE TABLE IF NOT EXISTS `delayed-post` (
 	FOREIGN KEY (`wid`) REFERENCES `workerqueue` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE
 ) DEFAULT COLLATE utf8mb4_general_ci COMMENT='Posts that are about to be distributed at a later time';

+--
+-- TABLE diaspora-contact
+--
+CREATE TABLE IF NOT EXISTS `diaspora-contact` (
+	`uri-id` int unsigned NOT NULL COMMENT 'Id of the item-uri table entry that contains the contact URL',
+	`addr` varchar(255) COMMENT '',
+	`alias` varchar(255) COMMENT '',
+	`nick` varchar(255) COMMENT '',
+	`name` varchar(255) COMMENT '',
+	`given-name` varchar(255) COMMENT '',
+	`family-name` varchar(255) COMMENT '',
+	`photo` varchar(255) COMMENT '',
+	`photo-medium` varchar(255) COMMENT '',
+	`photo-small` varchar(255) COMMENT '',
+	`batch` varchar(255) COMMENT '',
+	`notify` varchar(255) COMMENT '',
+	`poll` varchar(255) COMMENT '',
+	`subscribe` varchar(255) COMMENT '',
+	`searchable` boolean COMMENT '',
+	`pubkey` text COMMENT '',
+	`gsid` int unsigned COMMENT 'Global Server ID',
+	`created` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT '',
+	`updated` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT '',
+	`interacting_count` int unsigned DEFAULT 0 COMMENT 'Number of contacts this contact interactes with',
+	`interacted_count` int unsigned DEFAULT 0 COMMENT 'Number of contacts that interacted with this contact',
+	`post_count` int unsigned DEFAULT 0 COMMENT 'Number of posts and comments',
+	 PRIMARY KEY(`uri-id`),
+	 UNIQUE INDEX `addr` (`addr`),
+	 INDEX `alias` (`alias`),
+	 INDEX `gsid` (`gsid`),
+	FOREIGN KEY (`uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
+	FOREIGN KEY (`gsid`) REFERENCES `gserver` (`id`) ON UPDATE RESTRICT ON DELETE RESTRICT
+) DEFAULT COLLATE utf8mb4_general_ci COMMENT='Diaspora compatible contacts - used in the Diaspora implementation';
+
 --
 -- TABLE diaspora-interaction
 --
@ -633,39 +667,6 @@ CREATE TABLE IF NOT EXISTS `event` (
 	FOREIGN KEY (`uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE
 ) DEFAULT COLLATE utf8mb4_general_ci COMMENT='Events';

--
-- TABLE fcontact
--
-CREATE TABLE IF NOT EXISTS `fcontact` (
-	`id` int unsigned NOT NULL auto_increment COMMENT 'sequential ID',
-	`guid` varbinary(255) NOT NULL DEFAULT '' COMMENT 'unique id',
-	`url` varbinary(383) NOT NULL DEFAULT '' COMMENT '',
-	`uri-id` int unsigned COMMENT 'Id of the item-uri table entry that contains the fcontact url',
-	`name` varchar(255) NOT NULL DEFAULT '' COMMENT '',
-	`photo` varbinary(383) NOT NULL DEFAULT '' COMMENT '',
-	`request` varbinary(383) NOT NULL DEFAULT '' COMMENT '',
-	`nick` varchar(255) NOT NULL DEFAULT '' COMMENT '',
-	`addr` varchar(255) NOT NULL DEFAULT '' COMMENT '',
-	`batch` varbinary(383) NOT NULL DEFAULT '' COMMENT '',
-	`notify` varbinary(383) NOT NULL DEFAULT '' COMMENT '',
-	`poll` varbinary(383) NOT NULL DEFAULT '' COMMENT '',
-	`confirm` varbinary(383) NOT NULL DEFAULT '' COMMENT '',
-	`priority` tinyint unsigned NOT NULL DEFAULT 0 COMMENT '',
-	`network` char(4) NOT NULL DEFAULT '' COMMENT '',
-	`alias` varbinary(383) NOT NULL DEFAULT '' COMMENT '',
-	`pubkey` text COMMENT '',
-	`created` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT '',
-	`updated` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT '',
-	`interacting_count` int unsigned DEFAULT 0 COMMENT 'Number of contacts this contact interactes with',
-	`interacted_count` int unsigned DEFAULT 0 COMMENT 'Number of contacts that interacted with this contact',
-	`post_count` int unsigned DEFAULT 0 COMMENT 'Number of posts and comments',
-	 PRIMARY KEY(`id`),
-	 INDEX `addr` (`addr`(32)),
-	 UNIQUE INDEX `url` (`url`(190)),
-	 UNIQUE INDEX `uri-id` (`uri-id`),
-	FOREIGN KEY (`uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE
-) DEFAULT COLLATE utf8mb4_general_ci COMMENT='Diaspora compatible contacts - used in the Diaspora implementation';
-
 --
 -- TABLE fetch-entry
 --
@ -2802,11 +2803,11 @@ CREATE VIEW `account-view` AS SELECT
 	`contact`.`blocked` AS `blocked`,
 	`contact`.`notify` AS `dfrn-notify`,
 	`contact`.`poll` AS `dfrn-poll`,
-	`fcontact`.`guid` AS `diaspora-guid`,
-	`fcontact`.`batch` AS `diaspora-batch`,
-	`fcontact`.`notify` AS `diaspora-notify`,
-	`fcontact`.`poll` AS `diaspora-poll`,
-	`fcontact`.`alias` AS `diaspora-alias`,
+	`item-uri`.`guid` AS `diaspora-guid`,
+	`diaspora-contact`.`batch` AS `diaspora-batch`,
+	`diaspora-contact`.`notify` AS `diaspora-notify`,
+	`diaspora-contact`.`poll` AS `diaspora-poll`,
+	`diaspora-contact`.`alias` AS `diaspora-alias`,
 	`apcontact`.`uuid` AS `ap-uuid`,
 	`apcontact`.`type` AS `ap-type`,
 	`apcontact`.`following` AS `ap-following`,
@ -2824,7 +2825,7 @@ CREATE VIEW `account-view` AS SELECT
 	FROM `contact`
 			LEFT JOIN `item-uri` ON `item-uri`.`id` = `contact`.`uri-id`
 			LEFT JOIN `apcontact` ON `apcontact`.`uri-id` = `contact`.`uri-id`
-			LEFT JOIN `fcontact` ON `fcontact`.`uri-id` = contact.`uri-id`
+			LEFT JOIN `diaspora-contact` ON `diaspora-contact`.`uri-id` = contact.`uri-id`
 			LEFT JOIN `gserver` ON `gserver`.`id` = contact.`gsid`
 			WHERE `contact`.`uid` = 0;

@ -2903,14 +2904,14 @@ CREATE VIEW `account-user-view` AS SELECT
 	`ucontact`.`reason` AS `reason`,
 	`contact`.`notify` AS `dfrn-notify`,
 	`contact`.`poll` AS `dfrn-poll`,
-	`fcontact`.`guid` AS `diaspora-guid`,
-	`fcontact`.`batch` AS `diaspora-batch`,
-	`fcontact`.`notify` AS `diaspora-notify`,
-	`fcontact`.`poll` AS `diaspora-poll`,
-	`fcontact`.`alias` AS `diaspora-alias`,
-	`fcontact`.`interacting_count` AS `diaspora-interacting_count`,
-	`fcontact`.`interacted_count` AS `diaspora-interacted_count`,
-	`fcontact`.`post_count` AS `diaspora-post_count`,
+	`item-uri`.`guid` AS `diaspora-guid`,
+	`diaspora-contact`.`batch` AS `diaspora-batch`,
+	`diaspora-contact`.`notify` AS `diaspora-notify`,
+	`diaspora-contact`.`poll` AS `diaspora-poll`,
+	`diaspora-contact`.`alias` AS `diaspora-alias`,
+	`diaspora-contact`.`interacting_count` AS `diaspora-interacting_count`,
+	`diaspora-contact`.`interacted_count` AS `diaspora-interacted_count`,
+	`diaspora-contact`.`post_count` AS `diaspora-post_count`,
 	`apcontact`.`uuid` AS `ap-uuid`,
 	`apcontact`.`type` AS `ap-type`,
 	`apcontact`.`following` AS `ap-following`,
@ -2929,7 +2930,7 @@ CREATE VIEW `account-user-view` AS SELECT
 			INNER JOIN `contact` ON `contact`.`uri-id` = `ucontact`.`uri-id` AND `contact`.`uid` = 0
 			LEFT JOIN `item-uri` ON `item-uri`.`id` = `ucontact`.`uri-id`
 			LEFT JOIN `apcontact` ON `apcontact`.`uri-id` = `ucontact`.`uri-id`
-			LEFT JOIN `fcontact` ON `fcontact`.`uri-id` = `ucontact`.`uri-id` AND `fcontact`.`network` = 'dspr'
+			LEFT JOIN `diaspora-contact` ON `diaspora-contact`.`uri-id` = `ucontact`.`uri-id`
 			LEFT JOIN `gserver` ON `gserver`.`id` = contact.`gsid`;

 --
@ -3006,3 +3007,37 @@ CREATE VIEW `profile_field-view` AS SELECT
 	`profile_field`.`edited` AS `edited`
 	FROM `profile_field`
 			INNER JOIN `permissionset` ON `permissionset`.`id` = `profile_field`.`psid`;
+
+--
+-- VIEW diaspora-contact-view
+--
+DROP VIEW IF EXISTS `diaspora-contact-view`;
+CREATE VIEW `diaspora-contact-view` AS SELECT 
+	`diaspora-contact`.`uri-id` AS `uri-id`,
+	`item-uri`.`uri` AS `url`,
+	`item-uri`.`guid` AS `guid`,
+	`diaspora-contact`.`addr` AS `addr`,
+	`diaspora-contact`.`alias` AS `alias`,
+	`diaspora-contact`.`nick` AS `nick`,
+	`diaspora-contact`.`name` AS `name`,
+	`diaspora-contact`.`given-name` AS `given-name`,
+	`diaspora-contact`.`family-name` AS `family-name`,
+	`diaspora-contact`.`photo` AS `photo`,
+	`diaspora-contact`.`photo-medium` AS `photo-medium`,
+	`diaspora-contact`.`photo-small` AS `photo-small`,
+	`diaspora-contact`.`batch` AS `batch`,
+	`diaspora-contact`.`notify` AS `notify`,
+	`diaspora-contact`.`poll` AS `poll`,
+	`diaspora-contact`.`subscribe` AS `subscribe`,
+	`diaspora-contact`.`searchable` AS `searchable`,
+	`diaspora-contact`.`pubkey` AS `pubkey`,
+	`gserver`.`url` AS `baseurl`,
+	`diaspora-contact`.`gsid` AS `gsid`,
+	`diaspora-contact`.`created` AS `created`,
+	`diaspora-contact`.`updated` AS `updated`,
+	`diaspora-contact`.`interacting_count` AS `interacting_count`,
+	`diaspora-contact`.`interacted_count` AS `interacted_count`,
+	`diaspora-contact`.`post_count` AS `post_count`
+	FROM `diaspora-contact`
+			INNER JOIN `item-uri` ON `item-uri`.`id` = `diaspora-contact`.`uri-id`
+			LEFT JOIN `gserver` ON `gserver`.`id` = `diaspora-contact`.`gsid`;
--- a/doc/database.md
+++ b/doc/database.md
@ -23,10 +23,10 @@ Database Tables
 | [contact-relation](help/database/db_contact-relation) | Contact relations |
 | [conv](help/database/db_conv) | private messages |
 | [delayed-post](help/database/db_delayed-post) | Posts that are about to be distributed at a later time |
+| [diaspora-contact](help/database/db_diaspora-contact) | Diaspora compatible contacts - used in the Diaspora implementation |
 | [diaspora-interaction](help/database/db_diaspora-interaction) | Signed Diaspora Interaction |
 | [endpoint](help/database/db_endpoint) | ActivityPub endpoints - used in the ActivityPub implementation |
 | [event](help/database/db_event) | Events |
-| [fcontact](help/database/db_fcontact) | Diaspora compatible contacts - used in the Diaspora implementation |
 | [fetch-entry](help/database/db_fetch-entry) |  |
 | [fetched-activity](help/database/db_fetched-activity) | Id of fetched activities |
 | [fsuggest](help/database/db_fsuggest) | friend suggestion stuff |
--- a/doc/database/db_diaspora-contact.md
+++ b/doc/database/db_diaspora-contact.md
@ -0,0 +1,52 @@
+Table diaspora-contact
+===========
+
+Diaspora compatible contacts - used in the Diaspora implementation
+
+Fields
+------
+
+| Field             | Description                                                  | Type         | Null | Key | Default             | Extra |
+| ----------------- | ------------------------------------------------------------ | ------------ | ---- | --- | ------------------- | ----- |
+| uri-id            | Id of the item-uri table entry that contains the contact URL | int unsigned | NO   | PRI | NULL                |       |
+| addr              |                                                              | varchar(255) | YES  |     | NULL                |       |
+| alias             |                                                              | varchar(255) | YES  |     | NULL                |       |
+| nick              |                                                              | varchar(255) | YES  |     | NULL                |       |
+| name              |                                                              | varchar(255) | YES  |     | NULL                |       |
+| given-name        |                                                              | varchar(255) | YES  |     | NULL                |       |
+| family-name       |                                                              | varchar(255) | YES  |     | NULL                |       |
+| photo             |                                                              | varchar(255) | YES  |     | NULL                |       |
+| photo-medium      |                                                              | varchar(255) | YES  |     | NULL                |       |
+| photo-small       |                                                              | varchar(255) | YES  |     | NULL                |       |
+| batch             |                                                              | varchar(255) | YES  |     | NULL                |       |
+| notify            |                                                              | varchar(255) | YES  |     | NULL                |       |
+| poll              |                                                              | varchar(255) | YES  |     | NULL                |       |
+| subscribe         |                                                              | varchar(255) | YES  |     | NULL                |       |
+| searchable        |                                                              | boolean      | YES  |     | NULL                |       |
+| pubkey            |                                                              | text         | YES  |     | NULL                |       |
+| gsid              | Global Server ID                                             | int unsigned | YES  |     | NULL                |       |
+| created           |                                                              | datetime     | NO   |     | 0001-01-01 00:00:00 |       |
+| updated           |                                                              | datetime     | NO   |     | 0001-01-01 00:00:00 |       |
+| interacting_count | Number of contacts this contact interactes with              | int unsigned | YES  |     | 0                   |       |
+| interacted_count  | Number of contacts that interacted with this contact         | int unsigned | YES  |     | 0                   |       |
+| post_count        | Number of posts and comments                                 | int unsigned | YES  |     | 0                   |       |
+
+Indexes
+------------
+
+| Name    | Fields       |
+| ------- | ------------ |
+| PRIMARY | uri-id       |
+| addr    | UNIQUE, addr |
+| alias   | alias        |
+| gsid    | gsid         |
+
+Foreign Keys
+------------
+
+| Field | Target Table | Target Field |
+|-------|--------------|--------------|
+| uri-id | [item-uri](help/database/db_item-uri) | id |
+| gsid | [gserver](help/database/db_gserver) | id |
+
+Return to [database documentation](help/database)
--- a/doc/database/db_fcontact.md
+++ b/doc/database/db_fcontact.md
@ -1,51 +0,0 @@
-Table fcontact
-===========
-
-Diaspora compatible contacts - used in the Diaspora implementation
-
-Fields
------
-
-| Field             | Description                                                   | Type             | Null | Key | Default             | Extra          |
-| ----------------- | ------------------------------------------------------------- | ---------------- | ---- | --- | ------------------- | -------------- |
-| id                | sequential ID                                                 | int unsigned     | NO   | PRI | NULL                | auto_increment |
-| guid              | unique id                                                     | varbinary(255)   | NO   |     |                     |                |
-| url               |                                                               | varbinary(383)   | NO   |     |                     |                |
-| uri-id            | Id of the item-uri table entry that contains the fcontact url | int unsigned     | YES  |     | NULL                |                |
-| name              |                                                               | varchar(255)     | NO   |     |                     |                |
-| photo             |                                                               | varbinary(383)   | NO   |     |                     |                |
-| request           |                                                               | varbinary(383)   | NO   |     |                     |                |
-| nick              |                                                               | varchar(255)     | NO   |     |                     |                |
-| addr              |                                                               | varchar(255)     | NO   |     |                     |                |
-| batch             |                                                               | varbinary(383)   | NO   |     |                     |                |
-| notify            |                                                               | varbinary(383)   | NO   |     |                     |                |
-| poll              |                                                               | varbinary(383)   | NO   |     |                     |                |
-| confirm           |                                                               | varbinary(383)   | NO   |     |                     |                |
-| priority          |                                                               | tinyint unsigned | NO   |     | 0                   |                |
-| network           |                                                               | char(4)          | NO   |     |                     |                |
-| alias             |                                                               | varbinary(383)   | NO   |     |                     |                |
-| pubkey            |                                                               | text             | YES  |     | NULL                |                |
-| created           |                                                               | datetime         | NO   |     | 0001-01-01 00:00:00 |                |
-| updated           |                                                               | datetime         | NO   |     | 0001-01-01 00:00:00 |                |
-| interacting_count | Number of contacts this contact interactes with               | int unsigned     | YES  |     | 0                   |                |
-| interacted_count  | Number of contacts that interacted with this contact          | int unsigned     | YES  |     | 0                   |                |
-| post_count        | Number of posts and comments                                  | int unsigned     | YES  |     | 0                   |                |
-
-Indexes
------------
-
-| Name    | Fields           |
-| ------- | ---------------- |
-| PRIMARY | id               |
-| addr    | addr(32)         |
-| url     | UNIQUE, url(190) |
-| uri-id  | UNIQUE, uri-id   |
-
-Foreign Keys
------------
-
-| Field | Target Table | Target Field |
-|-------|--------------|--------------|
-| uri-id | [item-uri](help/database/db_item-uri) | id |
-
-Return to [database documentation](help/database)
--- a/src/Console/Relocate.php
+++ b/src/Console/Relocate.php
@ -131,9 +131,9 @@ HELP;
 			$this->out('Updating event table fields');
 			$this->database->replaceInTableFields('event', ['uri'], $old_url, $new_url);

-			$this->out('Updating fcontact table fields');
-			$this->database->replaceInTableFields('fcontact', ['url', 'photo', 'request', 'batch', 'poll', 'confirm', 'alias'], $old_url, $new_url);
-			$this->database->replaceInTableFields('fcontact', ['addr'], $old_host, $new_host);
+			$this->out('Updating diaspora-contact table fields');
+			$this->database->replaceInTableFields('diaspora-contact', ['alias', 'photo', 'photo-medium', 'photo-small', 'batch', 'notify', 'poll', 'subscribe'], $old_url, $new_url);
+			$this->database->replaceInTableFields('diaspora-contact', ['addr'], $old_host, $new_host);

 			$this->out('Updating fsuggest table fields');
 			$this->database->replaceInTableFields('fsuggest', ['url', 'request', 'photo'], $old_url, $new_url);
--- a/src/DI.php
+++ b/src/DI.php
@ -599,6 +599,11 @@ abstract class DI
 		return self::$dice->create(Protocol\Activity::class);
 	}

+	public static function dsprContact(): Protocol\Diaspora\Repository\DiasporaContact
+	{
+		return self::$dice->create(Protocol\Diaspora\Repository\DiasporaContact::class);
+	}
+
 	//
 	// "Security" namespace instances
 	//
--- a/src/Database/DBStructure.php
+++ b/src/Database/DBStructure.php
@ -74,7 +74,7 @@ class DBStructure
 		$old_tables = ['fserver', 'gcign', 'gcontact', 'gcontact-relation', 'gfollower' ,'glink', 'item-delivery-data',
 			'item-activity', 'item-content', 'item_id', 'participation', 'poll', 'poll_result', 'queue', 'retriever_rule',
 			'deliverq', 'dsprphotoq', 'ffinder', 'sign', 'spam', 'term', 'user-item', 'thread', 'item', 'challenge',
-			'auth_codes', 'tokens', 'clients', 'profile_check', 'host', 'conversation'];
+			'auth_codes', 'tokens', 'clients', 'profile_check', 'host', 'conversation', 'fcontact'];

 		$tables = DBA::selectToArray('INFORMATION_SCHEMA.TABLES', ['TABLE_NAME'],
 			['TABLE_SCHEMA' => DBA::databaseName(), 'TABLE_TYPE' => 'BASE TABLE']);
--- a/src/Database/Database.php
+++ b/src/Database/Database.php
@ -833,7 +833,7 @@ class Database
 	/**
 	 * Check if data exists
 	 *
-	 * @param string $table     Table name in format schema.table (while scheme is optiona)
+	 * @param string $table     Table name in format [schema.]table
 	 * @param array  $condition Array of fields for condition
 	 *
 	 * @return boolean Are there rows for that condition?
@ -1017,7 +1017,7 @@ class Database
 	/**
 	 * Insert a row into a table. Field value objects will be cast as string.
 	 *
-	 * @param string $table          Table name in format schema.table (while scheme is optiona)
+	 * @param string $table          Table name in format [schema.]table
 	 * @param array  $param          parameter array
 	 * @param int    $duplicate_mode What to do on a duplicated entry
 	 *
@ -1068,7 +1068,7 @@ class Database
 	 * Inserts a row with the provided data in the provided table.
 	 * If the data corresponds to an existing row through a UNIQUE or PRIMARY index constraints, it updates the row instead.
 	 *
-	 * @param string $table Table name in format schema.table (while scheme is optiona)
+	 * @param string $table Table name in format [schema.]table
 	 * @param array  $param parameter array
 	 * @return boolean was the insert successful?
 	 * @throws \Exception
@ -1116,7 +1116,7 @@ class Database
 	 *
 	 * This function can be extended in the future to accept a table array as well.
 	 *
-	 * @param string $table Table name in format schema.table (while scheme is optiona)
+	 * @param string $table Table name in format [schema.]table
 	 * @return boolean was the lock successful?
 	 * @throws \Exception
 	 */
@ -1314,7 +1314,7 @@ class Database
 	 * Only set $old_fields to a boolean value when you are sure that you will update a single row.
 	 * When you set $old_fields to "true" then $fields must contain all relevant fields!
 	 *
-	 * @param string        $table      Table name in format schema.table (while scheme is optiona)
+	 * @param string        $table      Table name in format [schema.]table
 	 * @param array         $fields     contains the fields that are updated
 	 * @param array         $condition  condition array with the key values
 	 * @param array|boolean $old_fields array with the old field values that are about to be replaced (true = update on duplicate, false = don't update identical fields)
@ -1380,7 +1380,7 @@ class Database
 	/**
 	 * Retrieve a single record from a table and returns it in an associative array
 	 *
-	 * @param string $table     Table name in format schema.table (while scheme is optiona)
+	 * @param string $table     Table name in format [schema.]table
 	 * @param array  $fields    Array of selected fields, empty for all
 	 * @param array  $condition Array of fields for condition
 	 * @param array  $params    Array of several parameters
@ -1406,7 +1406,7 @@ class Database
 	/**
 	 * Select rows from a table and fills an array with the data
 	 *
-	 * @param string $table     Table name in format schema.table (while scheme is optiona)
+	 * @param string $table     Table name in format [schema.]table
 	 * @param array  $fields    Array of selected fields, empty for all
 	 * @param array  $condition Array of fields for condition
 	 * @param array  $params    Array of several parameters
@ -1479,7 +1479,7 @@ class Database
 	 *
 	 * $data = DBA::select($table, $fields, $condition, $params);
 	 *
-	 * @param string $table     Table name in format schema.table (while scheme is optiona)
+	 * @param string $table     Table name in format [schema.]table
 	 * @param array  $fields    Array of selected fields, empty for all
 	 * @param array  $condition Array of fields for condition
 	 * @param array  $params    Array of several parameters
@ -1519,7 +1519,7 @@ class Database
 	/**
 	 * Counts the rows from a table satisfying the provided condition
 	 *
-	 * @param string $table     Table name in format schema.table (while scheme is optiona)
+	 * @param string $table     Table name in format [schema.]table
 	 * @param array  $condition Array of fields for condition
 	 * @param array  $params    Array of several parameters
 	 *
--- a/src/Database/PostUpdate.php
+++ b/src/Database/PostUpdate.php
@ -899,6 +899,11 @@ class PostUpdate
 			return true;
 		}

+		if (!DBStructure::existsTable('fcontact')) {
+			DI::config()->set('system', 'post_update_version', 1425);
+			return true;
+		}
+
 		$condition = ["`uri-id` IS NULL"];
 		Logger::info('Start', ['rest' => DBA::count('fcontact', $condition)]);

--- a/src/Model/Contact.php
+++ b/src/Model/Contact.php
@ -1395,7 +1395,7 @@ class Contact
 		}

 		if ($data['network'] == Protocol::DIASPORA) {
-			FContact::updateFromProbeArray($data);
+			DI::dsprContact()->updateFromProbeArray($data);
 		}

 		self::updateFromProbeArray($contact_id, $data);
@ -2486,7 +2486,7 @@ class Contact
 		$ret = Probe::uri($contact['url'], $network, $contact['uid']);

 		if ($ret['network'] == Protocol::DIASPORA) {
-			FContact::updateFromProbeArray($ret);
+			DI::dsprContact()->updateFromProbeArray($ret);
 		}

 		return self::updateFromProbeArray($id, $ret);
--- a/src/Model/FContact.php
+++ b/src/Model/FContact.php
@ -1,161 +0,0 @@
-<?php
-/**
- * @copyright Copyright (C) 2010-2022, the Friendica project
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- *
- */
-
-namespace Friendica\Model;
-
-use Friendica\Core\Logger;
-use Friendica\Core\Protocol;
-use Friendica\Core\Worker;
-use Friendica\Database\DBA;
-use Friendica\DI;
-use Friendica\Model\Item;
-use Friendica\Network\Probe;
-use Friendica\Util\DateTimeFormat;
-use Friendica\Util\Strings;
-
-class FContact
-{
-	/**
-	 * Fetches data for a given handle
-	 *
-	 * @param string $handle The handle
-	 * @param boolean $update true = always update, false = never update, null = update when not found or outdated
-	 *
-	 * @return array the queried data
-	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
-	 * @throws \ImagickException
-	 */
-	public static function getByURL(string $handle, $update = null): array
-	{
-		Logger::debug('Fetch fcontact', ['handle' => $handle, 'update' => $update]);
-		$person = DBA::selectFirst('fcontact', [], ['network' => Protocol::DIASPORA, 'addr' => $handle]);
-		if (!DBA::isResult($person)) {
-			$urls = [$handle, str_replace('http://', 'https://', $handle), Strings::normaliseLink($handle)];
-			$person = DBA::selectFirst('fcontact', [], ['network' => Protocol::DIASPORA, 'url' => $urls]);
-		}
-
-		if (DBA::isResult($person)) {
-			Logger::debug('In cache', ['handle' => $handle]);
-
-			if (is_null($update)) {
-				$update = empty($person['guid']) || empty($person['uri-id']) || ($person['created'] <= DBA::NULL_DATETIME);
-				if (GServer::getNextUpdateDate(true, $person['created'], $person['updated'], false) < DateTimeFormat::utcNow()) {
-					Logger::debug('Start background update', ['handle' => $handle]);
-					Worker::add(['priority' => Worker::PRIORITY_LOW, 'dont_fork' => true], 'UpdateFContact', $handle);
-				}
-			}
-		} elseif (is_null($update)) {
-			$update = true;
-		} else {
-			$person = [];
-		}
-
-		if ($update) {
-			Logger::info('create or refresh', ['handle' => $handle]);
-			$data = Probe::uri($handle, Protocol::DIASPORA);
-
-			// Note that Friendica contacts will return a "Diaspora person"
-			// if Diaspora connectivity is enabled on their server
-			if ($data['network'] ?? '' === Protocol::DIASPORA) {
-				self::updateFromProbeArray($data);
-
-				$person = self::getByURL($handle, false);
-			}
-		}
-
-		return $person;
-	}
-
-	/**
-	 * Updates the fcontact table
-	 *
-	 * @param array $arr The fcontact data
-	 * @throws \Exception
-	 */
-	public static function updateFromProbeArray(array $arr)
-	{
-		$uriid = ItemURI::insert(['uri' => $arr['url'], 'guid' => $arr['guid']]);
-
-		$fcontact  = DBA::selectFirst('fcontact', ['created'], ['url' => $arr['url'], 'network' => $arr['network']]);
-		$contact   = Contact::getByUriId($uriid, ['id', 'created']);
-		$apcontact = APContact::getByURL($arr['url'], false);
-		if (!empty($apcontact)) {
-			$interacted  = $apcontact['following_count'];
-			$interacting = $apcontact['followers_count'];
-			$posts       = $apcontact['statuses_count'];
-		} elseif (!empty($contact['id'])) {
-			$last_interaction = DateTimeFormat::utc('now - 180 days');
-
-			$interacted  = DBA::count('contact-relation', ["`cid` = ? AND NOT `follows` AND `last-interaction` > ?", $contact['id'], $last_interaction]);
-			$interacting = DBA::count('contact-relation', ["`relation-cid` = ? AND NOT `follows` AND `last-interaction` > ?", $contact['id'], $last_interaction]);
-			$posts       = DBA::count('post', ['author-id' => $contact['id'], 'gravity' => [Item::GRAVITY_PARENT, Item::GRAVITY_COMMENT]]);
-		}
-
-		$fields = [
-			'name'              => $arr['name'],
-			'photo'             => $arr['photo'],
-			'request'           => $arr['request'],
-			'nick'              => $arr['nick'],
-			'addr'              => strtolower($arr['addr']),
-			'guid'              => $arr['guid'],
-			'batch'             => $arr['batch'],
-			'notify'            => $arr['notify'],
-			'poll'              => $arr['poll'],
-			'confirm'           => $arr['confirm'],
-			'alias'             => $arr['alias'],
-			'pubkey'            => $arr['pubkey'],
-			'uri-id'            => $uriid,
-			'interacting_count' => $interacting ?? 0,
-			'interacted_count'  => $interacted ?? 0,
-			'post_count'        => $posts ?? 0,
-			'updated'           => DateTimeFormat::utcNow(),
-		];
-
-		if (empty($fcontact['created'])) {
-			$fields['created'] = $fields['updated'];
-		} elseif (!empty($contact['created']) && ($fcontact['created'] <= DBA::NULL_DATETIME)) {
-			$fields['created'] = $contact['created'];
-		}
-
-		$fields = DI::dbaDefinition()->truncateFieldsForTable('fcontact', $fields);
-		DBA::update('fcontact', $fields, ['url' => $arr['url'], 'network' => $arr['network']], true);
-	}
-
-	/**
-	 * get a url (scheme://domain.tld/u/user) from a given Diaspora*
-	 * fcontact guid
-	 *
-	 * @param string $fcontact_guid Hexadecimal string guid
-	 * @return string|null the contact url or null
-	 * @throws \Exception
-	 */
-	public static function getUrlByGuid(string $fcontact_guid)
-	{
-		Logger::info('fcontact', ['guid' => $fcontact_guid]);
-
-		$fcontact = DBA::selectFirst('fcontact', ['url'], ["`url` != ? AND `network` = ? AND `guid` = ?", '', Protocol::DIASPORA, $fcontact_guid]);
-		if (DBA::isResult($fcontact)) {
-			return $fcontact['url'];
-		}
-
-		return null;
-	}
-}
--- a/src/Network/Probe.php
+++ b/src/Network/Probe.php
@ -110,7 +110,8 @@ class Probe
 	 */
 	private static function rearrangeData(array $data): array
 	{
-		$fields = ['name', 'nick', 'guid', 'url', 'addr', 'alias', 'photo', 'header',
+		$fields = ['name', 'given_name', 'family_name', 'nick', 'guid', 'url', 'addr', 'alias',
+		        'photo', 'photo_medium', 'photo_small', 'header',
 				'account-type', 'community', 'keywords', 'location', 'about', 'xmpp', 'matrix',
 				'hide', 'batch', 'notify', 'poll', 'request', 'confirm', 'subscribe', 'poco',
 				'following', 'followers', 'inbox', 'outbox', 'sharedinbox',
@ -124,7 +125,7 @@ class Probe
 				if (in_array($field, $numeric_fields)) {
 					$newdata[$field] = (int)$data[$field];
 				} else {
-					$newdata[$field] = $data[$field];
+					$newdata[$field] = trim($data[$field]);
 				}
 			} elseif (!in_array($field, $numeric_fields)) {
 				$newdata[$field] = '';
@ -1290,9 +1291,19 @@ class Probe
 				$data['name'] = $search->item(0)->nodeValue;
 			}

+			$search = $xpath->query("//*[contains(concat(' ', @class, ' '), ' given_name ')]", $vcard); // */
+			if ($search->length > 0) {
+				$data["given_name"] = $search->item(0)->nodeValue;
+			}
+
+			$search = $xpath->query("//*[contains(concat(' ', @class, ' '), ' family_name ')]", $vcard); // */
+			if ($search->length > 0) {
+				$data["family_name"] = $search->item(0)->nodeValue;
+			}
+
 			$search = $xpath->query("//*[contains(concat(' ', @class, ' '), ' searchable ')]", $vcard); // */
 			if ($search->length > 0) {
-				$data['searchable'] = $search->item(0)->nodeValue;
+				$data['hide'] = (strtolower($search->item(0)->nodeValue) != 'true');
 			}

 			$search = $xpath->query("//*[contains(concat(' ', @class, ' '), ' key ')]", $vcard); // */
@ -1309,7 +1320,7 @@ class Probe
 			}
 		}

-		$avatar = [];
+		$avatars = [];
 		if (!empty($vcard)) {
 			$photos = $xpath->query("//*[contains(concat(' ', @class, ' '), ' photo ') or contains(concat(' ', @class, ' '), ' avatar ')]", $vcard); // */
 			foreach ($photos as $photo) {
@ -1319,20 +1330,27 @@ class Probe
 				}

 				if (isset($attr['src']) && isset($attr['width'])) {
-					$avatar[$attr['width']] = $attr['src'];
+					$avatars[$attr['width']] = self::fixAvatar($attr['src'], $data['baseurl']);
 				}

 				// We don't have a width. So we just take everything that we got.
 				// This is a Hubzilla workaround which doesn't send a width.
-				if ((sizeof($avatar) == 0) && !empty($attr['src'])) {
-					$avatar[] = $attr['src'];
+				if (!$avatars && !empty($attr['src'])) {
+					$avatars[] = self::fixAvatar($attr['src'], $data['baseurl']);
 				}
 			}
 		}

-		if (sizeof($avatar)) {
-			ksort($avatar);
-			$data['photo'] = self::fixAvatar(array_pop($avatar), $data['baseurl']);
+		if ($avatars) {
+			ksort($avatars);
+			$data['photo'] = array_pop($avatars);
+			if ($avatars) {
+				$data['photo_medium'] = array_pop($avatars);
+			}
+
+			if ($avatars) {
+				$data['photo_small'] = array_pop($avatars);
+			}
 		}

 		if ($dfrn) {
@ -1356,7 +1374,6 @@ class Probe
 			}
 		}

-
 		return $data;
 	}

--- a/src/Protocol/DFRN.php
+++ b/src/Protocol/DFRN.php
@ -34,7 +34,6 @@ use Friendica\DI;
 use Friendica\Model\Contact;
 use Friendica\Model\Conversation;
 use Friendica\Model\Event;
-use Friendica\Model\FContact;
 use Friendica\Model\GServer;
 use Friendica\Model\Item;
 use Friendica\Model\ItemURI;
@ -45,6 +44,7 @@ use Friendica\Model\Post;
 use Friendica\Model\Profile;
 use Friendica\Model\Tag;
 use Friendica\Model\User;
+use Friendica\Network\HTTPException;
 use Friendica\Network\Probe;
 use Friendica\Util\Crypto;
 use Friendica\Util\DateTimeFormat;
@ -981,12 +981,12 @@ class DFRN
 				}
 			}

-			$fcontact = FContact::getByURL($contact['addr']);
-			if (empty($fcontact)) {
+			try {
+				$pubkey = DI::dsprContact()->getByAddr(WebFingerUri::fromString($contact['addr']))->pubKey;
+			} catch (HTTPException\NotFoundException|\InvalidArgumentException $e) {
 				Logger::notice('Unable to find contact details for ' . $contact['id'] . ' - ' . $contact['addr']);
 				return -22;
 			}
-			$pubkey = $fcontact['pubkey'] ?? '';
 		} else {
 			$pubkey = '';
 		}
--- a/src/Protocol/Diaspora.php
+++ b/src/Protocol/Diaspora.php
--- a/src/Protocol/Diaspora/Entity/DiasporaContact.php
+++ b/src/Protocol/Diaspora/Entity/DiasporaContact.php
@ -0,0 +1,140 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Protocol\Diaspora\Entity;
+
+use Psr\Http\Message\UriInterface;
+
+/**
+ * @property-read $uriId
+ * @property-read $url
+ * @property-read $guid
+ * @property-read $addr
+ * @property-read $alias
+ * @property-read $nick
+ * @property-read $name
+ * @property-read $givenName
+ * @property-read $familyName
+ * @property-read $photo
+ * @property-read $photoMedium
+ * @property-read $photoSmall
+ * @property-read $batch
+ * @property-read $notify
+ * @property-read $poll
+ * @property-read $subscribe
+ * @property-read $searchable
+ * @property-read $pubKey
+ * @property-read $baseurl
+ * @property-read $gsid
+ * @property-read $created
+ * @property-read $updated
+ * @property-read $interacting_count
+ * @property-read $interacted_count
+ * @property-read $post_count
+ */
+class DiasporaContact extends \Friendica\BaseEntity
+{
+	/** @var int */
+	protected $uriId;
+	/** @var UriInterface */
+	protected $url;
+	/** @var string */
+	protected $guid;
+	/** @var string */
+	protected $addr;
+	/** @var UriInterface */
+	protected $alias;
+	/** @var string */
+	protected $nick;
+	/** @var string */
+	protected $name;
+	/** @var string */
+	protected $givenName;
+	/** @var string */
+	protected $familyName;
+	/** @var UriInterface */
+	protected $photo;
+	/** @var UriInterface */
+	protected $photoMedium;
+	/** @var UriInterface */
+	protected $photoSmall;
+	/** @var UriInterface */
+	protected $batch;
+	/** @var UriInterface */
+	protected $notify;
+	/** @var UriInterface */
+	protected $poll;
+	/** @var UriInterface */
+	protected $subscribe;
+	/** @var bool */
+	protected $searchable;
+	/** @var string */
+	protected $pubKey;
+	/** @var UriInterface */
+	protected $baseurl;
+	/** @var int */
+	protected $gsid;
+	/** @var \DateTime */
+	protected $created;
+	/** @var \DateTime */
+	protected $updated;
+	/** @var int */
+	protected $interacting_count;
+	/** @var int */
+	protected $interacted_count;
+	/** @var int */
+	protected $post_count;
+
+	public function __construct(
+		UriInterface $url, \DateTime $created, string $guid = null, string $addr = null, UriInterface $alias = null,
+		string $nick = null, string $name = null, string $givenName = null, string $familyName = null,
+		UriInterface $photo = null, UriInterface $photoMedium = null, UriInterface $photoSmall = null,
+		UriInterface $batch = null, UriInterface $notify = null, UriInterface $poll = null, UriInterface $subscribe = null,
+		bool $searchable = null, string $pubKey = null, UriInterface $baseurl = null, int $gsid = null,
+		\DateTime $updated = null, int $interacting_count = 0, int $interacted_count = 0, int $post_count = 0, int $uriId = null
+	) {
+		$this->uriId             = $uriId;
+		$this->url               = $url;
+		$this->guid              = $guid;
+		$this->addr              = $addr;
+		$this->alias             = $alias;
+		$this->nick              = $nick;
+		$this->name              = $name;
+		$this->givenName         = $givenName;
+		$this->familyName        = $familyName;
+		$this->photo             = $photo;
+		$this->photoMedium       = $photoMedium;
+		$this->photoSmall        = $photoSmall;
+		$this->batch             = $batch;
+		$this->notify            = $notify;
+		$this->poll              = $poll;
+		$this->subscribe         = $subscribe;
+		$this->searchable        = $searchable;
+		$this->pubKey            = $pubKey;
+		$this->baseurl           = $baseurl;
+		$this->gsid              = $gsid;
+		$this->created           = $created;
+		$this->updated           = $updated;
+		$this->interacting_count = $interacting_count;
+		$this->interacted_count  = $interacted_count;
+		$this->post_count        = $post_count;
+	}
+}
--- a/src/Protocol/Diaspora/Factory/DiasporaContact.php
+++ b/src/Protocol/Diaspora/Factory/DiasporaContact.php
@ -0,0 +1,102 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Protocol\Diaspora\Factory;
+
+use Friendica\Capabilities\ICanCreateFromTableRow;
+use Friendica\Database\DBA;
+use GuzzleHttp\Psr7\Uri;
+
+class DiasporaContact extends \Friendica\BaseFactory implements ICanCreateFromTableRow
+{
+	public function createFromTableRow(array $row): \Friendica\Protocol\Diaspora\Entity\DiasporaContact
+	{
+		return new \Friendica\Protocol\Diaspora\Entity\DiasporaContact(
+			new Uri($row['url']),
+			new \DateTime($row['created'], new \DateTimeZone('UTC')),
+			$row['guid'],
+			$row['addr'],
+			$row['alias'] ? new Uri($row['alias']) : null,
+			$row['nick'],
+			$row['name'],
+			$row['given-name'],
+			$row['family-name'],
+			$row['photo'] ? new Uri($row['photo']) : null,
+			$row['photo-medium'] ? new Uri($row['photo-medium']) : null,
+			$row['photo-small'] ? new Uri($row['photo-small']) : null,
+			$row['batch'] ? new Uri($row['batch']) : null,
+			$row['notify'] ? new Uri($row['notify']) : null,
+			$row['poll'] ? new Uri($row['poll']) : null,
+			$row['subscribe'] ? new Uri($row['subscribe']) : null,
+			$row['searchable'],
+			$row['pubkey'],
+			$row['baseurl'] ? new Uri($row['baseurl']) : null,
+			$row['gsid'],
+			$row['updated'] !== DBA::NULL_DATETIME ? new \DateTime($row['updated'], new \DateTimeZone('UTC')) : null,
+			$row['interacting_count'],
+			$row['interacted_count'],
+			$row['post_count'],
+			$row['uri-id'],
+		);
+	}
+
+	/**
+	 * @param array     $data              Data returned by \Friendica\Network\Probe::uri()
+	 * @param int       $uriId             The URI ID of the Diaspora contact URL + GUID
+	 * @param \DateTime $created
+	 * @param int       $interacting_count
+	 * @param int       $interacted_count
+	 * @param int       $post_count
+	 * @return \Friendica\Protocol\Diaspora\Entity\DiasporaContact
+	 */
+	public function createfromProbeData(array $data, int $uriId, \DateTime $created, int $interacting_count = 0, int $interacted_count = 0, int $post_count = 0): \Friendica\Protocol\Diaspora\Entity\DiasporaContact
+	{
+		$alias = $data['alias'] != $data['url'] ? $data['alias'] : null;
+
+		return new \Friendica\Protocol\Diaspora\Entity\DiasporaContact(
+			new Uri($data['url']),
+			$created,
+			$data['guid'],
+			$data['addr'],
+			$alias ? new Uri($alias) : null,
+			$data['nick'],
+			$data['name'],
+			$data['given-name'] ?? '',
+			$data['family-name'] ?? '',
+			$data['photo'] ? new Uri($data['photo']) : null,
+			!empty($data['photo_medium']) ? new Uri($data['photo_medium']) : null,
+			!empty($data['photo_small']) ? new Uri($data['photo_small']) : null,
+			$data['batch'] ? new Uri($data['batch']) : null,
+			$data['notify'] ? new Uri($data['notify']) : null,
+			$data['poll'] ? new Uri($data['poll']) : null,
+			$data['subscribe'] ? new Uri($data['subscribe']) : null,
+			!$data['hide'],
+			$data['pubkey'],
+			$data['baseurl'] ? new Uri($data['baseurl']) : null,
+			$data['gsid'],
+			null,
+			$interacting_count,
+			$interacted_count,
+			$post_count,
+			$uriId,
+		);
+	}
+}
--- a/src/Protocol/Diaspora/Repository/DiasporaContact.php
+++ b/src/Protocol/Diaspora/Repository/DiasporaContact.php
@ -0,0 +1,283 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Protocol\Diaspora\Repository;
+
+use Friendica\BaseRepository;
+use Friendica\Core\System;
+use Friendica\Database\Database;
+use Friendica\Database\Definition\DbaDefinition;
+use Friendica\Model\APContact;
+use Friendica\Model\Contact;
+use Friendica\Model\Item;
+use Friendica\Model\ItemURI;
+use Friendica\Network\HTTPException;
+use Friendica\Protocol\Diaspora\Entity;
+use Friendica\Protocol\Diaspora\Factory;
+use Friendica\Protocol\WebFingerUri;
+use Friendica\Util\DateTimeFormat;
+use Psr\Http\Message\UriInterface;
+use Psr\Log\LoggerInterface;
+
+class DiasporaContact extends BaseRepository
+{
+	const ALWAYS_UPDATE                 = true;
+	const NEVER_UPDATE                  = false;
+	const UPDATE_IF_MISSING_OR_OUTDATED = null;
+
+	protected static $table_name = 'diaspora-contact-view';
+
+	/** @var Factory\DiasporaContact */
+	protected $factory;
+	/** @var DbaDefinition */
+	private $definition;
+
+	public function __construct(DbaDefinition $definition, Database $database, LoggerInterface $logger, Factory\DiasporaContact $factory)
+	{
+		parent::__construct($database, $logger, $factory);
+
+		$this->definition = $definition;
+	}
+
+	/**
+	 * @param array $condition
+	 * @param array $params
+	 * @return Entity\DiasporaContact
+	 * @throws HTTPException\NotFoundException
+	 */
+	public function selectOne(array $condition, array $params = []): Entity\DiasporaContact
+	{
+		return parent::_selectOne($condition, $params);
+	}
+
+	/**
+	 * @param int $uriId
+	 * @return Entity\DiasporaContact
+	 * @throws HTTPException\NotFoundException
+	 */
+	public function selectOneByUriId(int $uriId): Entity\DiasporaContact
+	{
+		return $this->selectOne(['uri-id' => $uriId]);
+	}
+
+	/**
+	 * @param UriInterface $uri
+	 * @return Entity\DiasporaContact
+	 * @throws HTTPException\NotFoundException
+	 */
+	public function selectOneByUri(UriInterface $uri): Entity\DiasporaContact
+	{
+		try {
+			return $this->selectOne(['url' => (string) $uri]);
+		} catch (HTTPException\NotFoundException $e) {
+		}
+
+		try {
+			return $this->selectOne(['addr' => (string) $uri]);
+		} catch (HTTPException\NotFoundException $e) {
+		}
+
+		return $this->selectOne(['alias' => (string) $uri]);
+	}
+
+	/**
+	 * @param WebFingerUri $uri
+	 * @return Entity\DiasporaContact
+	 * @throws HTTPException\NotFoundException
+	 */
+	public function selectOneByAddr(WebFingerUri $uri): Entity\DiasporaContact
+	{
+		return $this->selectOne(['addr' => $uri->getAddr()]);
+	}
+
+	/**
+	 * @param int $uriId
+	 * @return bool
+	 * @throws \Exception
+	 */
+	public function existsByUriId(int $uriId): bool
+	{
+		return $this->db->exists(self::$table_name, ['uri-id' => $uriId]);
+	}
+
+	public function save(Entity\DiasporaContact $DiasporaContact): Entity\DiasporaContact
+	{
+		$uriId = $DiasporaContact->uriId ?? ItemURI::insert(['uri' => $DiasporaContact->url, 'guid' => $DiasporaContact->guid]);
+
+		$fields = [
+			'uri-id'            => $uriId,
+			'addr'              => $DiasporaContact->addr,
+			'alias'             => (string)$DiasporaContact->alias,
+			'nick'              => $DiasporaContact->nick,
+			'name'              => $DiasporaContact->name,
+			'given-name'        => $DiasporaContact->givenName,
+			'family-name'       => $DiasporaContact->familyName,
+			'photo'             => (string)$DiasporaContact->photo,
+			'photo-medium'      => (string)$DiasporaContact->photoMedium,
+			'photo-small'       => (string)$DiasporaContact->photoSmall,
+			'batch'             => (string)$DiasporaContact->batch,
+			'notify'            => (string)$DiasporaContact->notify,
+			'poll'              => (string)$DiasporaContact->poll,
+			'subscribe'         => (string)$DiasporaContact->subscribe,
+			'searchable'        => $DiasporaContact->searchable,
+			'pubkey'            => $DiasporaContact->pubKey,
+			'gsid'              => $DiasporaContact->gsid,
+			'created'           => $DiasporaContact->created->format(DateTimeFormat::MYSQL),
+			'updated'           => DateTimeFormat::utcNow(),
+			'interacting_count' => $DiasporaContact->interacting_count,
+			'interacted_count'  => $DiasporaContact->interacted_count,
+			'post_count'        => $DiasporaContact->post_count,
+		];
+
+		// Limit the length on incoming fields
+		$fields = $this->definition->truncateFieldsForTable('diaspora-contact', $fields);
+
+		$this->db->insert('diaspora-contact', $fields, Database::INSERT_UPDATE);
+
+		return $this->selectOneByUriId($uriId);
+	}
+
+	/**
+	 * Fetch a Diaspora profile from a given WebFinger address and updates it depending on the mode
+	 *
+	 * @param WebFingerUri $uri    Profile address
+	 * @param boolean      $update true = always update, false = never update, null = update when not found or outdated
+	 * @return Entity\DiasporaContact
+	 * @throws HTTPException\NotFoundException
+	 */
+	public function getByAddr(WebFingerUri $uri, ?bool $update = self::UPDATE_IF_MISSING_OR_OUTDATED): Entity\DiasporaContact
+	{
+		if ($update !== self::ALWAYS_UPDATE) {
+			try {
+				$dcontact = $this->selectOneByAddr($uri);
+				if ($update === self::NEVER_UPDATE) {
+					return $dcontact;
+				}
+			} catch (HTTPException\NotFoundException $e) {
+				if ($update === self::NEVER_UPDATE) {
+					throw $e;
+				}
+
+				// This is necessary for Contact::getByURL in case the base contact record doesn't need probing,
+				// but we still need the result of a probe to create the missing diaspora-contact record.
+				$update = self::ALWAYS_UPDATE;
+			}
+		}
+
+		$contact = Contact::getByURL($uri, $update, ['uri-id']);
+		if (empty($contact['uri-id'])) {
+			throw new HTTPException\NotFoundException('Diaspora profile with URI ' . $uri . ' not found');
+		}
+
+		return self::selectOneByUriId($contact['uri-id']);
+	}
+
+	/**
+	 * Fetch a Diaspora profile from a given profile URL and updates it depending on the mode
+	 *
+	 * @param UriInterface $uri    Profile URL
+	 * @param boolean      $update true = always update, false = never update, null = update when not found or outdated
+	 * @return Entity\DiasporaContact
+	 * @throws HTTPException\NotFoundException
+	 */
+	public function getByUrl(UriInterface $uri, ?bool $update = self::UPDATE_IF_MISSING_OR_OUTDATED): Entity\DiasporaContact
+	{
+		if ($update !== self::ALWAYS_UPDATE) {
+			try {
+				$dcontact = $this->selectOneByUriId(ItemURI::getIdByURI($uri));
+				if ($update === self::NEVER_UPDATE) {
+					return $dcontact;
+				}
+			} catch (HTTPException\NotFoundException $e) {
+				if ($update === self::NEVER_UPDATE) {
+					throw $e;
+				}
+
+				// This is necessary for Contact::getByURL in case the base contact record doesn't need probing,
+				// but we still need the result of a probe to create the missing diaspora-contact record.
+				$update = self::ALWAYS_UPDATE;
+			}
+		}
+
+		$contact = Contact::getByURL($uri, $update, ['uri-id']);
+		if (empty($contact['uri-id'])) {
+			throw new HTTPException\NotFoundException('Diaspora profile with URI ' . $uri . ' not found');
+		}
+
+		return self::selectOneByUriId($contact['uri-id']);
+	}
+
+	/**
+	 * Update or create a diaspora-contact entry via a probe array
+	 *
+	 * @param array $data Probe array
+	 * @return Entity\DiasporaContact
+	 * @throws \Exception
+	 */
+	public function updateFromProbeArray(array $data): Entity\DiasporaContact
+	{
+		$uriId = ItemURI::insert(['uri' => $data['url'], 'guid' => $data['guid']]);
+
+		$contact   = Contact::getByUriId($uriId, ['id', 'created']);
+		$apcontact = APContact::getByURL($data['url'], false);
+		if (!empty($apcontact)) {
+			$interacting_count = $apcontact['followers_count'];
+			$interacted_count  = $apcontact['following_count'];
+			$post_count        = $apcontact['statuses_count'];
+		} elseif (!empty($contact['id'])) {
+			$last_interaction = DateTimeFormat::utc('now - 180 days');
+
+			$interacting_count = $this->db->count('contact-relation', ["`relation-cid` = ? AND NOT `follows` AND `last-interaction` > ?", $contact['id'], $last_interaction]);
+			$interacted_count  = $this->db->count('contact-relation', ["`cid` = ? AND NOT `follows` AND `last-interaction` > ?", $contact['id'], $last_interaction]);
+			$post_count        = $this->db->count('post', ['author-id' => $contact['id'], 'gravity' => [Item::GRAVITY_PARENT, Item::GRAVITY_COMMENT]]);
+		}
+
+		$DiasporaContact = $this->factory->createfromProbeData(
+			$data,
+			$uriId,
+			new \DateTime($contact['created'] ?? 'now', new \DateTimeZone('UTC')),
+			$interacting_count ?? 0,
+			$interacted_count ?? 0,
+			$post_count ?? 0
+		);
+
+		$DiasporaContact = $this->save($DiasporaContact);
+
+		$this->logger->info('Updated diaspora-contact', ['url' => (string) $DiasporaContact->url, 'callstack' => System::callstack(20)]);
+
+		return $DiasporaContact;
+	}
+
+	/**
+	 * get a url (scheme://domain.tld/u/user) from a given contact guid
+	 *
+	 * @param mixed $guid Hexadecimal string guid
+	 *
+	 * @return string the contact url or null
+	 * @throws \Exception
+	 */
+	public function getUrlByGuid(string $guid): ?string
+	{
+		$diasporaContact = $this->db->selectFirst(self::$table_name, ['url'], ['guid' => $guid]);
+
+		return $diasporaContact['url'] ?? null;
+	}
+}
--- a/src/Protocol/WebFingerUri.php
+++ b/src/Protocol/WebFingerUri.php
@ -0,0 +1,113 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Protocol;
+
+use GuzzleHttp\Psr7\Uri;
+
+class WebFingerUri
+{
+	/**
+	 * @var string
+	 */
+	private $user;
+	/**
+	 * @var string
+	 */
+	private $host;
+	/**
+	 * @var int|null
+	 */
+	private $port;
+	/**
+	 * @var string|null
+	 */
+	private $path;
+
+	private function __construct(string $user, string $host, int $port = null, string $path = null)
+	{
+		$this->user = $user;
+		$this->host = $host;
+		$this->port = $port;
+		$this->path = $path;
+
+		$this->validate();
+	}
+
+	/**
+	 * @param string $addr
+	 * @return WebFingerUri
+	 */
+	public static function fromString(string $addr): WebFingerUri
+	{
+		$uri = new Uri('acct://' . preg_replace('/^acct:/', '', $addr));
+
+		return new self($uri->getUserInfo(), $uri->getHost(), $uri->getPort(), $uri->getPath());
+	}
+
+	private function validate()
+	{
+		if (!$this->user) {
+			throw new \InvalidArgumentException('WebFinger URI User part is required');
+		}
+
+		if (!$this->host) {
+			throw new \InvalidArgumentException('WebFinger URI Host part is required');
+		}
+	}
+
+	public function getUser(): string
+	{
+		return $this->user;
+	}
+
+	public function getHost(): string
+	{
+		return $this->host;
+	}
+
+	public function getFullHost(): string
+	{
+		return $this->host
+			. ($this->port ? ':' . $this->port : '') .
+			($this->path ?: '');
+	}
+
+	public function getLongForm(): string
+	{
+		return 'acct:' . $this->getShortForm();
+	}
+
+	public function getShortForm(): string
+	{
+		return $this->user . '@' . $this->getFullHost();
+	}
+
+	public function getAddr(): string
+	{
+		return $this->getShortForm();
+	}
+
+	public function __toString(): string
+	{
+		return $this->getShortForm();
+	}
+}
--- a/src/Worker/Delivery.php
+++ b/src/Worker/Delivery.php
@ -29,7 +29,6 @@ use Friendica\Core\Worker;
 use Friendica\Database\DBA;
 use Friendica\DI;
 use Friendica\Model\Contact;
-use Friendica\Model\FContact;
 use Friendica\Model\GServer;
 use Friendica\Model\Item;
 use Friendica\Model\Post;
@ -94,7 +93,7 @@ class Delivery
 				if ($item['verb'] == Activity::ANNOUNCE) {
 					continue;
 				}
-	
+
 				if ($item['id'] == $parent_id) {
 					$parent = $item;
 				}
@ -278,7 +277,7 @@ class Delivery
 	private static function deliverDFRN(string $cmd, array $contact, array $owner, array $items, array $target_item, bool $public_message, bool $top_level, bool $followup, int $server_protocol = null)
 	{
 		// Transmit Diaspora reshares via Diaspora if the Friendica contact support Diaspora
-		if (Diaspora::getReshareDetails($target_item ?? []) && !empty(FContact::getByURL($contact['addr'], false))) {
+		if (Diaspora::getReshareDetails($target_item ?? []) && Diaspora::isSupportedByContactUrl($contact['addr'], false)) {
 			Logger::info('Reshare will be transmitted via Diaspora', ['url' => $contact['url'], 'guid' => ($target_item['guid'] ?? '') ?: $target_item['id']]);
 			self::deliverDiaspora($cmd, $contact, $owner, $items, $target_item, $public_message, $top_level, $followup);
 			return;
--- a/src/Worker/ExpirePosts.php
+++ b/src/Worker/ExpirePosts.php
@ -189,7 +189,7 @@ class ExpirePosts
 			AND NOT EXISTS(SELECT `uri-id` FROM `user-contact` WHERE `uri-id` = `item-uri`.`id`)
 			AND NOT EXISTS(SELECT `uri-id` FROM `contact` WHERE `uri-id` = `item-uri`.`id`)
 			AND NOT EXISTS(SELECT `uri-id` FROM `apcontact` WHERE `uri-id` = `item-uri`.`id`)
-			AND NOT EXISTS(SELECT `uri-id` FROM `fcontact` WHERE `uri-id` = `item-uri`.`id`)
+			AND NOT EXISTS(SELECT `uri-id` FROM `diaspora-contact` WHERE `uri-id` = `item-uri`.`id`)
 			AND NOT EXISTS(SELECT `uri-id` FROM `inbox-status` WHERE `uri-id` = `item-uri`.`id`)
 			AND NOT EXISTS(SELECT `uri-id` FROM `post-delivery` WHERE `uri-id` = `item-uri`.`id`)
 			AND NOT EXISTS(SELECT `uri-id` FROM `post-delivery` WHERE `inbox-id` = `item-uri`.`id`)
--- a/src/Worker/UpdateFContact.php
+++ b/src/Worker/UpdateFContact.php
@ -1,41 +0,0 @@
-<?php
-/**
- * @copyright Copyright (C) 2010-2022, the Friendica project
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- *
- */
-
-namespace Friendica\Worker;
-
-use Friendica\Core\Logger;
-use Friendica\Model\FContact;
-
-class UpdateFContact
-{
-	/**
-	 * Update fcontact data via probe
-	 *
-	 * @param string $handle Contact handle
-	 * @return void
-	 */
-	public static function execute(string $handle)
-	{
-		$success = FContact::getByURL($handle, true);
-
-		Logger::info('Updated from probe', ['handle' => $handle, 'success' => $success]);
-	}
-}
--- a/static/dbstructure.config.php
+++ b/static/dbstructure.config.php
@ -55,7 +55,7 @@
 use Friendica\Database\DBA;

 if (!defined('DB_UPDATE_VERSION')) {
-	define('DB_UPDATE_VERSION', 1497);
+	define('DB_UPDATE_VERSION', 1500);
 }

 return [
@ -637,6 +637,39 @@ return [
 			"wid" => ["wid"],
 		]
 	],
+	"diaspora-contact" => [
+		"comment" => "Diaspora compatible contacts - used in the Diaspora implementation",
+		"fields" => [
+			"uri-id" => ["type" => "int unsigned", "not null" => "1", "primary" => "1", "foreign" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the contact URL"],
+			"addr" => ["type" => "varchar(255)", "comment" => ""],
+			"alias" => ["type" => "varchar(255)", "comment" => ""],
+			"nick" => ["type" => "varchar(255)", "comment" => ""],
+			"name" => ["type" => "varchar(255)", "comment" => ""],
+			"given-name" => ["type" => "varchar(255)", "comment" => ""],
+			"family-name" => ["type" => "varchar(255)", "comment" => ""],
+			"photo" => ["type" => "varchar(255)", "comment" => ""],
+			"photo-medium" => ["type" => "varchar(255)", "comment" => ""],
+			"photo-small" => ["type" => "varchar(255)", "comment" => ""],
+			"batch" => ["type" => "varchar(255)", "comment" => ""],
+			"notify" => ["type" => "varchar(255)", "comment" => ""],
+			"poll" => ["type" => "varchar(255)", "comment" => ""],
+			"subscribe" => ["type" => "varchar(255)", "comment" => ""],
+			"searchable" => ["type" => "boolean", "comment" => ""],
+			"pubkey" => ["type" => "text", "comment" => ""],
+			"gsid" => ["type" => "int unsigned", "foreign" => ["gserver" => "id", "on delete" => "restrict"], "comment" => "Global Server ID"],
+			"created" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => ""],
+			"updated" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => ""],
+			"interacting_count" => ["type" => "int unsigned", "default" => 0, "comment" => "Number of contacts this contact interactes with"],
+			"interacted_count" => ["type" => "int unsigned", "default" => 0, "comment" => "Number of contacts that interacted with this contact"],
+			"post_count" => ["type" => "int unsigned", "default" => 0, "comment" => "Number of posts and comments"],
+		],
+		"indexes" => [
+			"PRIMARY" => ["uri-id"],
+			"addr" => ["UNIQUE", "addr"],
+			"alias" => ["alias"],
+			"gsid" => ["gsid"],
+		]
+	],
 	"diaspora-interaction" => [
 		"comment" => "Signed Diaspora Interaction",
 		"fields" => [
@ -690,39 +723,6 @@ return [
 			"uri-id" => ["uri-id"],
 		]
 	],
-	"fcontact" => [
-		"comment" => "Diaspora compatible contacts - used in the Diaspora implementation",
-		"fields" => [
-			"id" => ["type" => "int unsigned", "not null" => "1", "extra" => "auto_increment", "primary" => "1", "comment" => "sequential ID"],
-			"guid" => ["type" => "varbinary(255)", "not null" => "1", "default" => "", "comment" => "unique id"],
-			"url" => ["type" => "varbinary(383)", "not null" => "1", "default" => "", "comment" => ""],
-			"uri-id" => ["type" => "int unsigned", "foreign" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the fcontact url"],
-			"name" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => ""],
-			"photo" => ["type" => "varbinary(383)", "not null" => "1", "default" => "", "comment" => ""],
-			"request" => ["type" => "varbinary(383)", "not null" => "1", "default" => "", "comment" => ""],
-			"nick" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => ""],
-			"addr" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => ""],
-			"batch" => ["type" => "varbinary(383)", "not null" => "1", "default" => "", "comment" => ""],
-			"notify" => ["type" => "varbinary(383)", "not null" => "1", "default" => "", "comment" => ""],
-			"poll" => ["type" => "varbinary(383)", "not null" => "1", "default" => "", "comment" => ""],
-			"confirm" => ["type" => "varbinary(383)", "not null" => "1", "default" => "", "comment" => ""],
-			"priority" => ["type" => "tinyint unsigned", "not null" => "1", "default" => "0", "comment" => ""],
-			"network" => ["type" => "char(4)", "not null" => "1", "default" => "", "comment" => ""],
-			"alias" => ["type" => "varbinary(383)", "not null" => "1", "default" => "", "comment" => ""],
-			"pubkey" => ["type" => "text", "comment" => ""],
-			"created" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => ""],
-			"updated" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => ""],
-			"interacting_count" => ["type" => "int unsigned", "default" => 0, "comment" => "Number of contacts this contact interactes with"],
-			"interacted_count" => ["type" => "int unsigned", "default" => 0, "comment" => "Number of contacts that interacted with this contact"],
-			"post_count" => ["type" => "int unsigned", "default" => 0, "comment" => "Number of posts and comments"],
-		],
-		"indexes" => [
-			"PRIMARY" => ["id"],
-			"addr" => ["addr(32)"],
-			"url" => ["UNIQUE", "url(190)"],
-			"uri-id" => ["UNIQUE", "uri-id"],
-		]
-	],
 	"fetch-entry" => [
 		"comment" => "",
 		"fields" => [
@ -870,7 +870,7 @@ return [
 		"fields" => [
 			"id" => ["type" => "int unsigned", "not null" => "1", "extra" => "auto_increment", "primary" => "1", "comment" => "sequential ID"],
 			"uid" => ["type" => "mediumint unsigned", "not null" => "1", "default" => "0", "foreign" => ["user" => "uid"], "comment" => "User id"],
-			"fid" => ["type" => "int unsigned", "relation" => ["fcontact" => "id"], "comment" => "deprecated"],
+			"fid" => ["type" => "int unsigned", "comment" => "deprecated"],
 			"contact-id" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "foreign" => ["contact" => "id"], "comment" => ""],
 			"suggest-cid" => ["type" => "int unsigned", "foreign" => ["contact" => "id"], "comment" => "Suggested contact"],
 			"knowyou" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => ""],
--- a/static/dbview.config.php
+++ b/static/dbview.config.php
@ -155,7 +155,6 @@
 			"author-hidden" => ["author", "hidden"],
 			"author-updated" => ["author", "updated"],
 			"author-gsid" => ["author", "gsid"],
-			"author-uri-id" => ["author", "uri-id"],
 			"owner-id" => ["post-user", "owner-id"],
 			"owner-uri-id" => ["owner", "uri-id"],
 			"owner-link" => ["owner", "url"],
@ -332,7 +331,6 @@
 			"author-hidden" => ["author", "hidden"],
 			"author-updated" => ["author", "updated"],
 			"author-gsid" => ["author", "gsid"],
-			"author-uri-id" => ["author", "uri-id"],
 			"owner-id" => ["post-thread-user", "owner-id"],
 			"owner-uri-id" => ["owner", "uri-id"],
 			"owner-link" => ["owner", "url"],
@ -495,7 +493,6 @@
 			"author-hidden" => ["author", "hidden"],
 			"author-updated" => ["author", "updated"],
 			"author-gsid" => ["author", "gsid"],
-			"author-uri-id" => ["author", "uri-id"],
 			"owner-id" => ["post", "owner-id"],
 			"owner-uri-id" => ["owner", "uri-id"],
 			"owner-link" => ["owner", "url"],
@ -634,7 +631,6 @@
 			"author-hidden" => ["author", "hidden"],
 			"author-updated" => ["author", "updated"],
 			"author-gsid" => ["author", "gsid"],
-			"author-uri-id" => ["author", "uri-id"],
 			"owner-id" => ["post-thread", "owner-id"],
 			"owner-uri-id" => ["owner", "uri-id"],
 			"owner-link" => ["owner", "url"],
@ -994,11 +990,11 @@
 			"blocked" => ["contact", "blocked"],
 			"dfrn-notify" => ["contact", "notify"],
 			"dfrn-poll" => ["contact", "poll"],
-			"diaspora-guid" => ["fcontact", "guid"],
-			"diaspora-batch" => ["fcontact", "batch"],
-			"diaspora-notify" => ["fcontact", "notify"],
-			"diaspora-poll" => ["fcontact", "poll"],
-			"diaspora-alias" => ["fcontact", "alias"],
+			"diaspora-guid" => ["item-uri", "guid"],
+			"diaspora-batch" => ["diaspora-contact", "batch"],
+			"diaspora-notify" => ["diaspora-contact", "notify"],
+			"diaspora-poll" => ["diaspora-contact", "poll"],
+			"diaspora-alias" => ["diaspora-contact", "alias"],
 			"ap-uuid" => ["apcontact", "uuid"],
 			"ap-type" => ["apcontact", "type"],
 			"ap-following" => ["apcontact", "following"],
@ -1017,9 +1013,9 @@
 		"query" => "FROM `contact`
 			LEFT JOIN `item-uri` ON `item-uri`.`id` = `contact`.`uri-id`
 			LEFT JOIN `apcontact` ON `apcontact`.`uri-id` = `contact`.`uri-id`
-			LEFT JOIN `fcontact` ON `fcontact`.`uri-id` = contact.`uri-id`
+			LEFT JOIN `diaspora-contact` ON `diaspora-contact`.`uri-id` = contact.`uri-id`
 			LEFT JOIN `gserver` ON `gserver`.`id` = contact.`gsid`
-			WHERE `contact`.`uid` = 0"			
+			WHERE `contact`.`uid` = 0"
 	],
 	"account-user-view" => [
 		"fields" => [
@ -1093,14 +1089,14 @@
 			"reason" => ["ucontact", "reason"],
 			"dfrn-notify" => ["contact", "notify"],
 			"dfrn-poll" => ["contact", "poll"],
-			"diaspora-guid" => ["fcontact", "guid"],
-			"diaspora-batch" => ["fcontact", "batch"],
-			"diaspora-notify" => ["fcontact", "notify"],
-			"diaspora-poll" => ["fcontact", "poll"],
-			"diaspora-alias" => ["fcontact", "alias"],
-			"diaspora-interacting_count" => ["fcontact", "interacting_count"],
-			"diaspora-interacted_count" => ["fcontact", "interacted_count"],
-			"diaspora-post_count" => ["fcontact", "post_count"],
+			"diaspora-guid" => ["item-uri", "guid"],
+			"diaspora-batch" => ["diaspora-contact", "batch"],
+			"diaspora-notify" => ["diaspora-contact", "notify"],
+			"diaspora-poll" => ["diaspora-contact", "poll"],
+			"diaspora-alias" => ["diaspora-contact", "alias"],
+			"diaspora-interacting_count" => ["diaspora-contact", "interacting_count"],
+			"diaspora-interacted_count" => ["diaspora-contact", "interacted_count"],
+			"diaspora-post_count" => ["diaspora-contact", "post_count"],
 			"ap-uuid" => ["apcontact", "uuid"],
 			"ap-type" => ["apcontact", "type"],
 			"ap-following" => ["apcontact", "following"],
@ -1120,7 +1116,7 @@
 			INNER JOIN `contact` ON `contact`.`uri-id` = `ucontact`.`uri-id` AND `contact`.`uid` = 0
 			LEFT JOIN `item-uri` ON `item-uri`.`id` = `ucontact`.`uri-id`
 			LEFT JOIN `apcontact` ON `apcontact`.`uri-id` = `ucontact`.`uri-id`
-			LEFT JOIN `fcontact` ON `fcontact`.`uri-id` = `ucontact`.`uri-id` AND `fcontact`.`network` = 'dspr'
+			LEFT JOIN `diaspora-contact` ON `diaspora-contact`.`uri-id` = `ucontact`.`uri-id`
 			LEFT JOIN `gserver` ON `gserver`.`id` = contact.`gsid`"
 	],
 	"pending-view" => [
@ -1190,5 +1186,36 @@
 		"query" => "FROM `profile_field`
 			INNER JOIN `permissionset` ON `permissionset`.`id` = `profile_field`.`psid`"
 	],
+	"diaspora-contact-view" => [
+		"fields" => [
+			"uri-id" => ["diaspora-contact", "uri-id"],
+			"url" => ["item-uri", "uri"],
+			"guid" => ["item-uri", "guid"],
+			"addr" => ["diaspora-contact", "addr"],
+			"alias" => ["diaspora-contact", "alias"],
+			"nick" => ["diaspora-contact", "nick"],
+			"name" => ["diaspora-contact", "name"],
+			"given-name" => ["diaspora-contact", "given-name"],
+			"family-name" => ["diaspora-contact", "family-name"],
+			"photo" => ["diaspora-contact", "photo"],
+			"photo-medium" => ["diaspora-contact", "photo-medium"],
+			"photo-small" => ["diaspora-contact", "photo-small"],
+			"batch" => ["diaspora-contact", "batch"],
+			"notify" => ["diaspora-contact", "notify"],
+			"poll" => ["diaspora-contact", "poll"],
+			"subscribe" => ["diaspora-contact", "subscribe"],
+			"searchable" => ["diaspora-contact", "searchable"],
+			"pubkey" => ["diaspora-contact", "pubkey"],
+			"baseurl" => ["gserver", "url"],
+			"gsid" => ["diaspora-contact", "gsid"],
+			"created" => ["diaspora-contact", "created"],
+			"updated" => ["diaspora-contact", "updated"],
+			"interacting_count" => ["diaspora-contact", "interacting_count"],
+			"interacted_count" => ["diaspora-contact", "interacted_count"],
+			"post_count" => ["diaspora-contact", "post_count"],
+		],
+		"query" => "FROM `diaspora-contact`
+			INNER JOIN `item-uri` ON `item-uri`.`id` = `diaspora-contact`.`uri-id`
+			LEFT JOIN `gserver` ON `gserver`.`id` = `diaspora-contact`.`gsid`"
+	],
 ];
-
--- a/tests/src/Protocol/WebFingerUriTest.php
+++ b/tests/src/Protocol/WebFingerUriTest.php
@ -0,0 +1,135 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Main database structure configuration file.
+ *
+ * Here are described all the tables, fields and indexes Friendica needs to work.
+ * The entry order is mostly alphabetic - with the exception of tables that are used in foreign keys.
+ *
+ * Syntax (braces indicate optionale values):
+ * "<table name>" => [
+ *    "comment" => "Description of the table",
+ *    "fields" => [
+ *        "<field name>" => [
+ *            "type" => "<field type>{(<field size>)} <unsigned>",
+ *            "not null" => 0|1,
+ *            {"extra" => "auto_increment",}
+ *            {"default" => "<default value>",}
+ *            {"default" => NULL_DATE,} (for datetime fields)
+ *            {"primary" => "1",}
+ *            {"foreign|relation" => ["<foreign key table name>" => "<foreign key field name>"],}
+ *            "comment" => "Description of the fields"
+ *        ],
+ *        ...
+ *    ],
+ *    "indexes" => [
+ *        "PRIMARY" => ["<primary key field name>", ...],
+ *        "<index name>" => [{"UNIQUE",} "<field name>{(<key size>)}", ...]
+ *        ...
+ *    ],
+ * ],
+ *
+ * Whenever possible prefer "foreign" before "relation" with the foreign keys.
+ * "foreign" adds true foreign keys on the database level, while "relation" is just an indicator of a table relation without any consequences
+ *
+ * If you need to make any change, make sure to increment the DB_UPDATE_VERSION constant value below.
+ *
+ */
+
+namespace Friendica\Test\src\Protocol;
+
+use Friendica\Protocol\WebFingerUri;
+use PHPUnit\Framework\TestCase;
+
+class WebFingerUriTest extends TestCase
+{
+	public function dataFromString(): array
+	{
+		return [
+			'long' => [
+				'expectedLong'  => 'acct:selma@www.example.com:8080/friend',
+				'expectedShort' => 'selma@www.example.com:8080/friend',
+				'input'         => 'acct:selma@www.example.com:8080/friend',
+			],
+			'short' => [
+				'expectedLong'  => 'acct:selma@www.example.com:8080/friend',
+				'expectedShort' => 'selma@www.example.com:8080/friend',
+				'input'         => 'selma@www.example.com:8080/friend',
+			],
+			'minimal' => [
+				'expectedLong'  => 'acct:bob@example.com',
+				'expectedShort' => 'bob@example.com',
+				'input'         => 'bob@example.com',
+			],
+			'acct:' => [
+				'expectedLong'  => 'acct:alice@example.acct:90',
+				'expectedShort' => 'alice@example.acct:90',
+				'input'         => 'alice@example.acct:90',
+			],
+		];
+	}
+
+	/**
+	 * @dataProvider dataFromString
+	 * @param string $expectedLong
+	 * @param string $expectedShort
+	 * @param string $input
+	 * @return void
+	 */
+	public function testFromString(string $expectedLong, string $expectedShort, string $input)
+	{
+		$uri = WebFingerUri::fromString($input);
+
+		$this->assertEquals($expectedLong, $uri->getLongForm());
+		$this->assertEquals($expectedShort, $uri->getShortForm());
+	}
+
+	public function dataFromStringFailure()
+	{
+		return [
+			'missing user' => [
+				'input' => 'example.com',
+			],
+			'missing user @' => [
+				'input' => '@example.com',
+			],
+			'missing host' => [
+				'input' => 'alice',
+			],
+			'missing host @' => [
+				'input' => 'alice@',
+			],
+			'missing everything' => [
+				'input' => '',
+			],
+		];
+	}
+
+	/**
+	 * @dataProvider dataFromStringFailure
+	 * @param string $input
+	 * @return void
+	 */
+	public function testFromStringFailure(string $input)
+	{
+		$this->expectException(\InvalidArgumentException::class);
+
+		WebFingerUri::fromString($input);
+	}
+}
--- a/update.php
+++ b/update.php
@ -974,7 +974,7 @@ function update_1429()
 		return Update::FAILED;
 	}

-	if (!DBA::e("UPDATE `fcontact` SET `uri-id` = null WHERE NOT `uri-id` IS NULL")) {
+	if (DBStructure::existsTable('fcontact') && !DBA::e("UPDATE `fcontact` SET `uri-id` = null WHERE NOT `uri-id` IS NULL")) {
 		return Update::FAILED;
 	}

@ -1013,6 +1013,10 @@ function update_1438()

 function update_1439()
 {
+	if (!DBStructure::existsTable('fcontact')) {
+		return Update::SUCCESS;
+	}
+
 	$intros = DBA::select('intro', ['id', 'fid'], ["NOT `fid` IS NULL AND `fid` != ?", 0]);
 	while ($intro = DBA::fetch($intros)) {
 		$fcontact = DBA::selectFirst('fcontact', ['url'], ['id' => $intro['fid']]);
@ -1024,6 +1028,8 @@ function update_1439()
 		}
 	}
 	DBA::close($intros);
+
+	return Update::SUCCESS;
 }

 function update_1440()