Merge pull request #7930 from MrPetovan/task/7887-api-followers-request

Add POST follow request Mastodon API endpoint

doc/API-Mastodon.md

@@ -16,11 +16,18 @@ These endpoints use the [Mastodon API entities](https://docs.joinmastodon.org/ap
 ## Implemented endpoints
 
 - [GET /api/v1/follow_requests](https://docs.joinmastodon.org/api/rest/follow-requests/#get-api-v1-follow-requests)
+- [POST /api/v1/follow_requests/:id/authorize](https://docs.joinmastodon.org/api/rest/follow-requests/#post-api-v1-follow-requests-id-authorize)
+    - Returns a [Relationship](https://docs.joinmastodon.org/api/entities/#relationship) object.
+- [POST /api/v1/follow_requests/:id/reject](https://docs.joinmastodon.org/api/rest/follow-requests/#post-api-v1-follow-requests-id-reject)
+    - Returns a [Relationship](https://docs.joinmastodon.org/api/entities/#relationship) object.
+- POST /api/v1/follow_requests/:id/ignore
+    - Friendica-specific, hides the follow request from the list and prevents the remote contact from retrying.
+    - Returns a [Relationship](https://docs.joinmastodon.org/api/entities/#relationship) object.
+    
+
 - [GET /api/v1/instance](https://docs.joinmastodon.org/api/rest/instances)
 - GET /api/v1/instance/peers - undocumented, but implemented by Mastodon and Pleroma
 
+
+
 ## Non-implemented endpoints
-
-- [POST /api/v1/follow_requests/:id/authorize](https://docs.joinmastodon.org/api/rest/follow-requests/#post-api-v1-follow-requests-id-authorize)
-- [POST /api/v1/follow_requests/:id/reject](https://docs.joinmastodon.org/api/rest/follow-requests/#post-api-v1-follow-requests-id-reject)
-

mod/notifications.php

@@ -14,7 +14,7 @@ use Friendica\Core\Renderer;
 use Friendica\Core\System;
 use Friendica\Database\DBA;
 use Friendica\Module\Login;
-use Friendica\Model\Contact;
+use Friendica\Model\Introduction;
 use Friendica\Model\Notify;
 
 function notifications_post(App $a)
@@ -30,43 +30,20 @@ function notifications_post(App $a)
 	}
 
 	if ($request_id) {
-		$intro = DBA::selectFirst('intro', ['id', 'contact-id', 'fid'], ['id' => $request_id, 'uid' => local_user()]);
+		/** @var Introduction $Intro */
+		$Intro = \Friendica\BaseObject::getClass(Introduction::class);
+		$Intro->fetch(['id' => $request_id, 'uid' => local_user()]);
 
-		if (DBA::isResult($intro)) {
-			$intro_id = $intro['id'];
-			$contact_id = $intro['contact-id'];
-		} else {
-			notice(L10n::t('Invalid request identifier.') . EOL);
-			return;
+		switch ($_POST['submit']) {
+			case L10n::t('Discard'):
+				$Intro->discard();
+				break;
+			case L10n::t('Ignore'):
+				$Intro->ignore();
+				break;
 		}
 
-		// If it is a friend suggestion, the contact is not a new friend but an existing friend
-		// that should not be deleted.
-
-		$fid = $intro['fid'];
-
-		if ($_POST['submit'] == L10n::t('Discard')) {
-			DBA::delete('intro', ['id' => $intro_id]);
-			if (!$fid) {
-				// When the contact entry had been created just for that intro, we want to get rid of it now
-				$condition = ['id' => $contact_id, 'uid' => local_user(),
-					'self' => false, 'pending' => true, 'rel' => [0, Contact::FOLLOWER]];
-				$contact_pending = DBA::exists('contact', $condition);
-
-				// Remove the "pending" to stop the reappearing in any case
-				DBA::update('contact', ['pending' => false], ['id' => $contact_id]);
-
-				if ($contact_pending) {
-					Contact::remove($contact_id);
-				}
-			}
-			$a->internalRedirect('notifications/intros');
-		}
-
-		if ($_POST['submit'] == L10n::t('Ignore')) {
-			DBA::update('intro', ['ignore' => true], ['id' => $intro_id]);
-			$a->internalRedirect('notifications/intros');
-		}
+		$a->internalRedirect('notifications/intros');
 	}
 }
 

src/Api/Mastodon/Account.php

@@ -4,6 +4,7 @@ namespace Friendica\Api\Mastodon;
 
 use Friendica\Content\Text\BBCode;
 use Friendica\Database\DBA;
+use Friendica\Model\Contact;
 use Friendica\Util\DateTimeFormat;
 
 /**
@@ -55,31 +56,33 @@ class Account
 	/**
 	 * Creates an account record from a contact record. Expects all contact table fields to be set
 	 *
-	 * @param array $contact
+	 * @param array $contact   Full contact table record
+	 * @param array $apcontact Full apcontact table record
 	 * @return Account
 	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 	 */
-	public static function createFromContact(array $contact) {
+	public static function createFromContact(array $contact, array $apcontact = [])
+	{
 		$account = new Account();
-		$account->id = $contact['id'];
-		$account->username = $contact['nick'];
-		$account->acct = $contact['nick'];
-		$account->display_name = $contact['name'];
-		$account->locked = $contact['blocked'];
-		$account->created_at = DateTimeFormat::utc($contact['created'], DateTimeFormat::ATOM);
-		// No data is available from contact
-		$account->followers_count = 0;
-		$account->following_count = 0;
-		$account->statuses_count = 0;
-		$account->note = BBCode::convert($contact['about']);
-		$account->url = $contact['url'];
-		$account->avatar = $contact['avatar'];
-		$account->avatar_static = $contact['avatar'];
+		$account->id              = $contact['id'];
+		$account->username        = $contact['nick'];
+		$account->acct            = $contact['nick'];
+		$account->display_name    = $contact['name'];
+		$account->locked          = !empty($apcontact['manually-approve']);
+		$account->created_at      = DateTimeFormat::utc($contact['created'], DateTimeFormat::ATOM);
+		$account->followers_count = $apcontact['followers_count'] ?? 0;
+		$account->following_count = $apcontact['following_count'] ?? 0;
+		$account->statuses_count  = $apcontact['statuses_count'] ?? 0;
+		$account->note            = BBCode::convert($contact['about'], false);
+		$account->url             = $contact['url'];
+		$account->avatar          = $contact['avatar'];
+		$account->avatar_static   = $contact['avatar'];
 		// No header picture in Friendica
-		$account->header = '';
-		$account->header_static = '';
+		$account->header          = '';
+		$account->header_static   = '';
 		// No custom emojis per account in Friendica
-		$account->emojis = [];
+		$account->emojis          = [];
+		$account->bot             = ($contact['contact-type'] == Contact::TYPE_NEWS);
 
 		return $account;
 	}

src/Api/Mastodon/Relationship.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace Friendica\Api\Mastodon;
+
+use Friendica\Model\Contact;
+use Friendica\Util\Network;
+
+/**
+ * Class Relationship
+ *
+ * @see https://docs.joinmastodon.org/api/entities/#relationship
+ */
+class Relationship
+{
+	/** @var int */
+	var $id;
+	/** @var bool */
+	var $following = false;
+	/** @var bool */
+	var $followed_by = false;
+	/** @var bool */
+	var $blocking = false;
+	/** @var bool */
+	var $muting = false;
+	/** @var bool */
+	var $muting_notifications = false;
+	/** @var bool */
+	var $requested = false;
+	/** @var bool */
+	var $domain_blocking = false;
+	/** @var bool */
+	var $showing_reblogs = false;
+	/** @var bool */
+	var $endorsed = false;
+
+	/**
+	 * @param array $contact Full Contact table record
+	 * @return Relationship
+	 */
+	public static function createFromContact(array $contact)
+	{
+		$relationship = new self();
+
+		$relationship->id                   = $contact['id'];
+		$relationship->following            = in_array($contact['rel'], [Contact::SHARING, Contact::FRIEND]);
+		$relationship->followed_by          = in_array($contact['rel'], [Contact::FOLLOWER, Contact::FRIEND]);
+		$relationship->blocking             = (bool)$contact['blocked'];
+		$relationship->muting               = (bool)$contact['readonly'];
+		$relationship->muting_notifications = (bool)$contact['readonly'];
+		$relationship->requested            = (bool)$contact['pending'];
+		$relationship->domain_blocking      = Network::isUrlBlocked($contact['url']);
+		// Unsupported
+		$relationship->showing_reblogs      = true;
+		// Unsupported
+		$relationship->endorsed             = false;
+
+		return $relationship;
+	}
+}

src/App/Module.php

@@ -251,10 +251,6 @@ class Module
 
 		call_user_func([$this->module_class, 'init'], $this->module_parameters);
 
-		// "rawContent" is especially meant for technical endpoints.
-		// This endpoint doesn't need any theme initialization or other comparable stuff.
-		call_user_func([$this->module_class, 'rawContent'], $this->module_parameters);
-
 		if ($server['REQUEST_METHOD'] === 'POST') {
 			Core\Hook::callAll($this->module . '_mod_post', $post);
 			call_user_func([$this->module_class, 'post'], $this->module_parameters);
@@ -262,5 +258,9 @@ class Module
 
 		Core\Hook::callAll($this->module . '_mod_afterpost', $placeholder);
 		call_user_func([$this->module_class, 'afterpost'], $this->module_parameters);
+
+		// "rawContent" is especially meant for technical endpoints.
+		// This endpoint doesn't need any theme initialization or other comparable stuff.
+		call_user_func([$this->module_class, 'rawContent'], $this->module_parameters);
 	}
 }

src/BaseModel.php

@@ -0,0 +1,95 @@
+<?php
+
+namespace Friendica;
+
+use Friendica\Database\Database;
+use Friendica\Network\HTTPException;
+use Psr\Log\LoggerInterface;
+
+/**
+ * Class BaseModel
+ *
+ * The Model classes inheriting from this abstract class are meant to represent a single database record.
+ * The associated table name has to be provided in the child class, and the table is expected to have a unique `id` field.
+ *
+ * @property int id
+ */
+abstract class BaseModel
+{
+	protected static $table_name;
+
+	/** @var Database */
+	protected $dba;
+	/** @var LoggerInterface */
+	protected $logger;
+
+	/**
+	 * Model record abstraction.
+	 * Child classes never have to interact directly with it.
+	 * Please use the magic getter instead.
+	 *
+	 * @var array
+	 */
+	private $data = [];
+
+	public function __construct(Database $dba, LoggerInterface $logger)
+	{
+		$this->dba = $dba;
+		$this->logger = $logger;
+	}
+
+	/**
+	 * Magic getter. This allows to retrieve model fields with the following syntax:
+	 * - $model->field (outside of class)
+	 * - $this->field (inside of class)
+	 *
+	 * @param $name
+	 * @return mixed
+	 * @throws HTTPException\InternalServerErrorException
+	 */
+	public function __get($name)
+	{
+		if (empty($this->data['id'])) {
+			throw new HTTPException\InternalServerErrorException(static::class . ' record uninitialized');
+		}
+
+		if (!array_key_exists($name, $this->data)) {
+			throw new HTTPException\InternalServerErrorException('Field ' . $name . ' not found in ' . static::class);
+		}
+
+		return $this->data[$name];
+	}
+
+	/**
+	 * Fetches a single model record. The condition array is expected to contain a unique index (primary or otherwise).
+	 *
+	 * Chainable.
+	 *
+	 * @param array $condition
+	 * @return BaseModel
+	 * @throws HTTPException\NotFoundException
+	 */
+	public function fetch(array $condition)
+	{
+		$intro = $this->dba->selectFirst(static::$table_name, [], $condition);
+
+		if (!$intro) {
+			throw new HTTPException\NotFoundException(static::class . ' record not found.');
+		}
+
+		$this->data = $intro;
+
+		return $this;
+	}
+
+	/**
+	 * Deletes the model record from the database.
+	 * Prevents further methods from being called by wiping the internal model data.
+	 */
+	public function delete()
+	{
+		if ($this->dba->delete(static::$table_name, ['id' => $this->id])) {
+			$this->data = [];
+		}
+	}
+}

src/Model/APContact.php

@@ -84,7 +84,7 @@ class APContact extends BaseObject
 	public static function getByURL($url, $update = null)
 	{
 		if (empty($url)) {
-			return false;
+			return [];
 		}
 
 		$fetched_contact = false;
@@ -110,7 +110,7 @@ class APContact extends BaseObject
 			}
 
 			if (!is_null($update)) {
-				return DBA::isResult($apcontact) ? $apcontact : false;
+				return DBA::isResult($apcontact) ? $apcontact : [];
 			}
 
 			if (DBA::isResult($apcontact)) {

src/Model/Introduction.php

@@ -0,0 +1,156 @@
+<?php
+
+namespace Friendica\Model;
+
+use Friendica\BaseModel;
+use Friendica\Core\Protocol;
+use Friendica\Network\HTTPException;
+use Friendica\Protocol\ActivityPub;
+use Friendica\Protocol\Diaspora;
+use Friendica\Util\DateTimeFormat;
+
+/**
+ * @property int    uid
+ * @property int    fid
+ * @property int    contact-id
+ * @property bool   knowyou
+ * @property bool   duplex
+ * @property string note
+ * @property string hash
+ * @property string datetime
+ * @property bool   blocked
+ * @property bool   ignored
+ *
+ * @package Friendica\Model
+ */
+final class Introduction extends BaseModel
+{
+	static $table_name = 'intro';
+
+	/**
+	 * Confirms a follow request and sends a notic to the remote contact.
+	 *
+	 * @param bool      $duplex Is it a follow back?
+	 * @param bool|null $hidden Should this contact be hidden? null = no change
+	 * @throws HTTPException\InternalServerErrorException
+	 * @throws \ImagickException
+	 * @throws HTTPException\NotFoundException
+	 */
+	public function confirm(bool $duplex = false, bool $hidden = null)
+	{
+		$this->logger->info('Confirming follower', ['cid' => $this->{'contact-id'}]);
+
+		$contact = Contact::selectFirst([], ['id' => $this->{'contact-id'}, 'uid' => $this->uid]);
+
+		if (!$contact) {
+			throw new HTTPException\NotFoundException('Contact record not found.');
+		}
+
+		$new_relation = $contact['rel'];
+		$writable = $contact['writable'];
+
+		if (!empty($contact['protocol'])) {
+			$protocol = $contact['protocol'];
+		} else {
+			$protocol = $contact['network'];
+		}
+
+		if ($protocol == Protocol::ACTIVITYPUB) {
+			ActivityPub\Transmitter::sendContactAccept($contact['url'], $contact['hub-verify'], $contact['uid']);
+		}
+
+		if (in_array($protocol, [Protocol::DIASPORA, Protocol::ACTIVITYPUB])) {
+			if ($duplex) {
+				$new_relation = Contact::FRIEND;
+			} else {
+				$new_relation = Contact::FOLLOWER;
+			}
+
+			if ($new_relation != Contact::FOLLOWER) {
+				$writable = 1;
+			}
+		}
+
+		$fields = [
+			'name-date' => DateTimeFormat::utcNow(),
+			'uri-date'  => DateTimeFormat::utcNow(),
+			'blocked'   => false,
+			'pending'   => false,
+			'protocol'  => $protocol,
+			'writable'  => $writable,
+			'hidden'    => $hidden ?? $contact['hidden'],
+			'rel'       => $new_relation,
+		];
+		$this->dba->update('contact', $fields, ['id' => $contact['id']]);
+
+		array_merge($contact, $fields);
+
+		if ($new_relation == Contact::FRIEND) {
+			if ($protocol == Protocol::DIASPORA) {
+				$ret = Diaspora::sendShare(User::getById($contact['uid']), $contact);
+				$this->logger->info('share returns', ['return' => $ret]);
+			} elseif ($protocol == Protocol::ACTIVITYPUB) {
+				ActivityPub\Transmitter::sendActivity('Follow', $contact['url'], $contact['uid']);
+			}
+		}
+
+		$this->delete();
+	}
+
+	/**
+	 * Silently ignores the introduction, hides it from notifications and prevents the remote contact from submitting
+	 * additional follow requests.
+	 *
+	 * Chainable
+	 *
+	 * @return Introduction
+	 * @throws \Exception
+	 */
+	public function ignore()
+	{
+		$this->dba->update('intro', ['ignore' => true], ['id' => $this->id]);
+
+		return $this;
+	}
+
+	/**
+	 * Discards the introduction and sends a rejection message to AP contacts.
+	 *
+	 * @throws HTTPException\InternalServerErrorException
+	 * @throws HTTPException\NotFoundException
+	 * @throws \ImagickException
+	 */
+	public function discard()
+	{
+		// If it is a friend suggestion, the contact is not a new friend but an existing friend
+		// that should not be deleted.
+		if (!$this->fid) {
+			// When the contact entry had been created just for that intro, we want to get rid of it now
+			$condition = ['id' => $this->{'contact-id'}, 'uid' => $this->uid,
+				'self' => false, 'pending' => true, 'rel' => [0, Contact::FOLLOWER]];
+			if ($this->dba->exists('contact', $condition)) {
+				Contact::remove($this->{'contact-id'});
+			} else {
+				$this->dba->update('contact', ['pending' => false], ['id' => $this->{'contact-id'}]);
+			}
+		}
+
+		$contact = Contact::selectFirst([], ['id' => $this->{'contact-id'}, 'uid' => $this->uid]);
+
+		if (!$contact) {
+			throw new HTTPException\NotFoundException('Contact record not found.');
+		}
+
+		if (!empty($contact['protocol'])) {
+			$protocol = $contact['protocol'];
+		} else {
+			$protocol = $contact['network'];
+		}
+
+		if ($protocol == Protocol::ACTIVITYPUB) {
+			ActivityPub\Transmitter::sendContactReject($contact['url'], $contact['hub-verify'], $contact['uid']);
+		}
+
+		$this->delete();
+	}
+}

src/Module/Api/Mastodon/FollowRequests.php

@@ -2,11 +2,13 @@
 
 namespace Friendica\Module\Api\Mastodon;
 
-use Friendica\Api\Mastodon\Account;
+use Friendica\Api\Mastodon;
 use Friendica\App\BaseURL;
 use Friendica\Core\System;
 use Friendica\Database\DBA;
+use Friendica\Model\APContact;
 use Friendica\Model\Contact;
+use Friendica\Model\Introduction;
 use Friendica\Module\Base\Api;
 use Friendica\Network\HTTPException;
 
@@ -19,7 +21,40 @@ class FollowRequests extends Api
 	{
 		parent::init($parameters);
 
-		self::login();
+		if (!self::login()) {
+			throw new HTTPException\UnauthorizedException();
+		}
+	}
+
+	public static function post(array $parameters = [])
+	{
+		parent::post($parameters);
+
+		/** @var Introduction $Intro */
+		$Intro = self::getClass(Introduction::class);
+		$Intro->fetch(['id' => $parameters['id'], 'uid' => self::$current_user_id]);
+
+		$contactId = $Intro->{'contact-id'};
+
+		$relationship = new Mastodon\Relationship();
+		$relationship->id = $contactId;
+
+		switch ($parameters['action']) {
+			case 'authorize':
+				$Intro->confirm();
+				$relationship = Mastodon\Relationship::createFromContact(Contact::getById($contactId));
+				break;
+			case 'ignore':
+				$Intro->ignore();
+				break;
+			case 'reject':
+				$Intro->discard();
+				break;
+			default:
+				throw new HTTPException\BadRequestException('Unexpected action parameter, expecting "authorize", "ignore" or "reject"');
+		}
+
+		System::jsonExit($relationship);
 	}
 
 	/**
@@ -34,26 +69,32 @@ class FollowRequests extends Api
 		$limit = intval($_GET['limit'] ?? 40);
 
 		if (isset($since_id) && isset($max_id)) {
-			$condition = ['`uid` = ? AND NOT `self` AND `pending` AND `id` > ? AND `id` < ?', self::$current_user_id, $since_id, $max_id];
+			$condition = ['`uid` = ? AND NOT `ignore` AND `id` > ? AND `id` < ?', self::$current_user_id, $since_id, $max_id];
 		} elseif (isset($since_id)) {
-			$condition = ['`uid` = ? AND NOT `self` AND `pending` AND `id` > ?', self::$current_user_id, $since_id];
+			$condition = ['`uid` = ? AND NOT `ignore` AND `id` > ?', self::$current_user_id, $since_id];
 		} elseif (isset($max_id)) {
-			$condition = ['`uid` = ? AND NOT `self` AND `pending` AND `id` < ?', self::$current_user_id, $max_id];
+			$condition = ['`uid` = ? AND NOT `ignore` AND `id` < ?', self::$current_user_id, $max_id];
 		} else {
-			$condition = ['`uid` = ? AND NOT `self` AND `pending`', self::$current_user_id];
+			$condition = ['`uid` = ? AND NOT `ignore`', self::$current_user_id];
 		}
 
-		$count = DBA::count('contact', $condition);
+		$count = DBA::count('intro', $condition);
 
-		$contacts = Contact::selectToArray(
+		$intros = DBA::selectToArray(
+			'intro',
 			[],
 			$condition,
 			['order' => ['id' => 'DESC'], 'limit' => $limit]
 		);
 
 		$return = [];
-		foreach ($contacts as $contact) {
-			$account = Account::createFromContact($contact);
+		foreach ($intros as $intro) {
+			$contact = Contact::getById($intro['contact-id']);
+			$apcontact = APContact::getByURL($contact['url'], false);
+			$account = Mastodon\Account::createFromContact($contact, $apcontact);
+
+			// Not ideal, the same "account" can have multiple ids depending on the context
+			$account->id = $intro['id'];
 
 			$return[] = $account;
 		}
@@ -68,9 +109,9 @@ class FollowRequests extends Api
 
 		$links = [];
 		if ($count > $limit) {
-			$links[] = '<' . $BaseURL->get() . '/api/v1/follow_requests?' . http_build_query($base_query + ['max_id' => $contacts[count($contacts) - 1]['id']]) . '>; rel="next"';
+			$links[] = '<' . $BaseURL->get() . '/api/v1/follow_requests?' . http_build_query($base_query + ['max_id' => $intros[count($intros) - 1]['id']]) . '>; rel="next"';
 		}
-		$links[] = '<' . $BaseURL->get() . '/api/v1/follow_requests?' . http_build_query($base_query + ['since_id' => $contacts[0]['id']]) . '>; rel="prev"';
+		$links[] = '<' . $BaseURL->get() . '/api/v1/follow_requests?' . http_build_query($base_query + ['since_id' => $intros[0]['id']]) . '>; rel="prev"';
 
 		header('Link: ' . implode(', ', $links));
 

src/Module/Base/Api.php

@@ -54,6 +54,7 @@ class Api extends BaseModule
 	 *
 	 * @brief Login API user
 	 *
+	 * @return bool Was a user authenticated?
 	 * @throws HTTPException\ForbiddenException
 	 * @throws HTTPException\UnauthorizedException
 	 * @throws HTTPException\InternalServerErrorException
@@ -69,6 +70,8 @@ class Api extends BaseModule
 		api_login(self::getApp());
 
 		self::$current_user_id = api_user();
+
+		return (bool)self::$current_user_id;
 	}
 
 	/**

src/Module/FollowConfirm.php

@@ -1,17 +1,9 @@
 <?php
 namespace Friendica\Module;
 
-use Friendica\App;
 use Friendica\BaseModule;
 use Friendica\Core\L10n;
-use Friendica\Core\Logger;
-use Friendica\Core\Protocol;
-use Friendica\Database\DBA;
-use Friendica\Model\Contact;
-use Friendica\Model\User;
-use Friendica\Protocol\Diaspora;
-use Friendica\Protocol\ActivityPub;
-use Friendica\Util\DateTimeFormat;
+use Friendica\Model\Introduction;
 
 /**
  * Process follow request confirmations
@@ -30,67 +22,15 @@ class FollowConfirm extends BaseModule
 
 		$intro_id = intval($_POST['intro_id']   ?? 0);
 		$duplex   = intval($_POST['duplex']     ?? 0);
-		$cid      = intval($_POST['contact_id'] ?? 0);
 		$hidden   = intval($_POST['hidden']     ?? 0);
 
-		if (empty($cid)) {
-			notice(L10n::t('No given contact.') . EOL);
-			return;
-		}
+		/** @var Introduction $Intro */
+		$Intro = self::getClass(Introduction::class);
+		$Intro->fetch(['id' => $intro_id, 'uid' => local_user()]);
 
-		Logger::info('Confirming follower', ['cid' => $cid]);
+		$cid = $Intro->{'contact-id'};
 
-		$contact = DBA::selectFirst('contact', [], ['id' => $cid, 'uid' => $uid]);
-		if (!DBA::isResult($contact)) {
-			Logger::warning('Contact not found in DB.', ['cid' => $cid]);
-			notice(L10n::t('Contact not found.') . EOL);
-			return;
-		}
-
-		$relation = $contact['rel'];
-		$new_relation = $contact['rel'];
-		$writable = $contact['writable'];
-
-		if (!empty($contact['protocol'])) {
-			$protocol = $contact['protocol'];
-		} else {
-			$protocol = $contact['network'];
-		}
-
-		if ($protocol == Protocol::ACTIVITYPUB) {
-			ActivityPub\Transmitter::sendContactAccept($contact['url'], $contact['hub-verify'], $uid);
-		}
-
-		if (in_array($protocol, [Protocol::DIASPORA, Protocol::ACTIVITYPUB])) {
-			if ($duplex) {
-				$new_relation = Contact::FRIEND;
-			} else {
-				$new_relation = Contact::FOLLOWER;
-			}
-
-			if ($new_relation != Contact::FOLLOWER) {
-				$writable = 1;
-			}
-		}
-
-		$fields = ['name-date' => DateTimeFormat::utcNow(),
-			'uri-date' => DateTimeFormat::utcNow(),
-			'blocked' => false, 'pending' => false, 'protocol' => $protocol,
-			'writable' => $writable, 'hidden' => $hidden, 'rel' => $new_relation];
-		DBA::update('contact', $fields, ['id' => $cid]);
-
-		if ($new_relation == Contact::FRIEND) {
-			if ($protocol == Protocol::DIASPORA) {
-				$user = User::getById($uid);
-				$contact = Contact::getById($cid);
-				$ret = Diaspora::sendShare($user, $contact);
-				Logger::info('share returns', ['return' => $ret]);
-			} elseif ($protocol == Protocol::ACTIVITYPUB) {
-				ActivityPub\Transmitter::sendActivity('Follow', $contact['url'], $uid);
-			}
-		}
-
-		DBA::delete('intro', ['id' => $intro_id]);
+		$Intro->confirm($duplex, $hidden);
 
 		$a->internalRedirect('contact/' . intval($cid));
 	}

static/routes.config.php

@@ -30,6 +30,7 @@ return [
 	'/api' => [
 		'/v1' => [
 			'/follow_requests'                   => [Module\Api\Mastodon\FollowRequests::class, [R::GET         ]],
+			'/follow_requests/{id:\d+}/{action}' => [Module\Api\Mastodon\FollowRequests::class, [        R::POST]],
 			'/instance'                          => [Module\Api\Mastodon\Instance::class, [R::GET]],
 			'/instance/peers'                    => [Module\Api\Mastodon\Instance\Peers::class, [R::GET]],
 		],