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friendica-addons/tumblr/tumblr.php

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<?php
/**
* Name: Tumblr Post Connector
* Description: Post to Tumblr
* Version: 2.0
* Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
* Author: Michael Vogel <https://pirati.ca/profile/heluecht>
*/
require_once __DIR__ . DIRECTORY_SEPARATOR . 'library' . DIRECTORY_SEPARATOR . 'tumblroauth.php';
use Friendica\Content\Text\BBCode;
use Friendica\Content\Text\NPF;
use Friendica\Core\Hook;
use Friendica\Core\Logger;
use Friendica\Core\Renderer;
use Friendica\Core\System;
use Friendica\DI;
use Friendica\Model\Item;
use Friendica\Model\Photo;
use Friendica\Model\Post;
use Friendica\Model\Tag;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Network;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\HandlerStack;
use GuzzleHttp\Subscriber\Oauth\Oauth1;
function tumblr_install()
{
Hook::register('hook_fork', 'addon/tumblr/tumblr.php', 'tumblr_hook_fork');
Hook::register('post_local', 'addon/tumblr/tumblr.php', 'tumblr_post_local');
Hook::register('notifier_normal', 'addon/tumblr/tumblr.php', 'tumblr_send');
Hook::register('jot_networks', 'addon/tumblr/tumblr.php', 'tumblr_jot_nets');
Hook::register('connector_settings', 'addon/tumblr/tumblr.php', 'tumblr_settings');
Hook::register('connector_settings_post', 'addon/tumblr/tumblr.php', 'tumblr_settings_post');
}
/**
* This is a statement rather than an actual function definition. The simple
* existence of this method is checked to figure out if the addon offers a
* module.
*/
function tumblr_module()
{
}
function tumblr_content()
{
if (!DI::userSession()->getLocalUserId()) {
DI::sysmsg()->addNotice(DI::l10n()->t('Permission denied.'));
return '';
}
if (isset(DI::args()->getArgv()[1])) {
switch (DI::args()->getArgv()[1]) {
case 'connect':
$o = tumblr_connect();
break;
case 'callback':
$o = tumblr_callback();
break;
default:
$o = print_r(DI::args()->getArgv(), true);
break;
}
} else {
$o = tumblr_connect();
}
return $o;
}
function tumblr_addon_admin(string &$o)
{
$t = Renderer::getMarkupTemplate('admin.tpl', 'addon/tumblr/');
$o = Renderer::replaceMacros($t, [
'$submit' => DI::l10n()->t('Save Settings'),
// name, label, value, help, [extra values]
'$consumer_key' => ['consumer_key', DI::l10n()->t('Consumer Key'), DI::config()->get('tumblr', 'consumer_key'), ''],
'$consumer_secret' => ['consumer_secret', DI::l10n()->t('Consumer Secret'), DI::config()->get('tumblr', 'consumer_secret'), ''],
]);
}
function tumblr_addon_admin_post()
{
DI::config()->set('tumblr', 'consumer_key', trim($_POST['consumer_key'] ?? ''));
DI::config()->set('tumblr', 'consumer_secret', trim($_POST['consumer_secret'] ?? ''));
}
function tumblr_connect()
{
// Start a session. This is necessary to hold on to a few keys the callback script will also need
session_start();
// Define the needed keys
$consumer_key = DI::config()->get('tumblr', 'consumer_key');
$consumer_secret = DI::config()->get('tumblr', 'consumer_secret');
// The callback URL is the script that gets called after the user authenticates with tumblr
// In this example, it would be the included callback.php
$callback_url = DI::baseUrl() . '/tumblr/callback';
// Let's begin. First we need a Request Token. The request token is required to send the user
// to Tumblr's login page.
// Create a new instance of the TumblrOAuth library. For this step, all we need to give the library is our
// Consumer Key and Consumer Secret
$tum_oauth = new TumblrOAuth($consumer_key, $consumer_secret);
// Ask Tumblr for a Request Token. Specify the Callback URL here too (although this should be optional)
$request_token = $tum_oauth->getRequestToken($callback_url);
// Store the request token and Request Token Secret as out callback.php script will need this
DI::session()->set('request_token', $request_token['oauth_token']);
DI::session()->set('request_token_secret', $request_token['oauth_token_secret']);
// Check the HTTP Code. It should be a 200 (OK), if it's anything else then something didn't work.
switch ($tum_oauth->http_code) {
case 200:
// Ask Tumblr to give us a special address to their login page
$url = $tum_oauth->getAuthorizeURL($request_token['oauth_token']);
// Redirect the user to the login URL given to us by Tumblr
System::externalRedirect($url);
/*
* That's it for our side. The user is sent to a Tumblr Login page and
* asked to authroize our app. After that, Tumblr sends the user back to
* our Callback URL (callback.php) along with some information we need to get
* an access token.
*/
break;
default:
// Give an error message
$o = 'Could not connect to Tumblr. Refresh the page or try again later.';
}
return $o;
}
function tumblr_callback()
{
// Start a session, load the library
session_start();
// Define the needed keys
$consumer_key = DI::config()->get('tumblr', 'consumer_key');
$consumer_secret = DI::config()->get('tumblr', 'consumer_secret');
// Once the user approves your app at Tumblr, they are sent back to this script.
// This script is passed two parameters in the URL, oauth_token (our Request Token)
// and oauth_verifier (Key that we need to get Access Token).
// We'll also need out Request Token Secret, which we stored in a session.
// Create instance of TumblrOAuth.
// It'll need our Consumer Key and Secret as well as our Request Token and Secret
$tum_oauth = new TumblrOAuth($consumer_key, $consumer_secret);
// Ok, let's get an Access Token. We'll need to pass along our oauth_verifier which was given to us in the URL.
$access_token = $tum_oauth->getAccessToken($_REQUEST['oauth_verifier'], DI::session()->get('request_token'), DI::session()->get('request_token_secret'));
// We're done with the Request Token and Secret so let's remove those.
DI::session()->remove('request_token');
DI::session()->remove('request_token_secret');
// Make sure nothing went wrong.
if (200 == $tum_oauth->http_code) {
// good to go
} else {
return 'Unable to authenticate';
}
// What's next? Now that we have an Access Token and Secret, we can make an API call.
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'tumblr', 'oauth_token', $access_token['oauth_token']);
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'tumblr', 'oauth_token_secret', $access_token['oauth_token_secret']);
DI::baseUrl()->redirect('settings/connectors/tumblr');
}
function tumblr_jot_nets(array &$jotnets_fields)
{
if (!DI::userSession()->getLocalUserId()) {
return;
}
if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'tumblr', 'post')) {
$jotnets_fields[] = [
'type' => 'checkbox',
'field' => [
'tumblr_enable',
DI::l10n()->t('Post to Tumblr'),
DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'tumblr', 'post_by_default')
]
];
}
}
function tumblr_settings(array &$data)
{
if (!DI::userSession()->getLocalUserId()) {
return;
}
$enabled = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'tumblr', 'post', false);
$def_enabled = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'tumblr', 'post_by_default', false);
$blogs = tumblr_get_blogs(DI::userSession()->getLocalUserId());
if (!empty($blogs)) {
$page = tumblr_get_page(DI::userSession()->getLocalUserId(), $blogs);
$page_select = ['tumblr_page', DI::l10n()->t('Post to page:'), $page, '', $blogs];
}
$t = Renderer::getMarkupTemplate('connector_settings.tpl', 'addon/tumblr/');
$html = Renderer::replaceMacros($t, [
'$l10n' => [
'connect' => DI::l10n()->t('(Re-)Authenticate your tumblr page'),
'noconnect' => DI::l10n()->t('You are not authenticated to tumblr'),
],
'$authenticate_url' => DI::baseUrl() . '/tumblr/connect',
'$enable' => ['tumblr', DI::l10n()->t('Enable Tumblr Post Addon'), $enabled],
'$bydefault' => ['tumblr_bydefault', DI::l10n()->t('Post to Tumblr by default'), $def_enabled],
'$page_select' => $page_select ?? '',
]);
$data = [
'connector' => 'tumblr',
'title' => DI::l10n()->t('Tumblr Export'),
'image' => 'images/tumblr.png',
'enabled' => $enabled,
'html' => $html,
];
}
function tumblr_settings_post(array &$b)
{
if (!empty($_POST['tumblr-submit'])) {
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'tumblr', 'post', intval($_POST['tumblr']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'tumblr', 'page', $_POST['tumblr_page']);
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'tumblr', 'post_by_default', intval($_POST['tumblr_bydefault']));
}
}
function tumblr_hook_fork(array &$b)
{
if ($b['name'] != 'notifier_normal') {
return;
}
$post = $b['data'];
if (
$post['deleted'] || $post['private'] || ($post['created'] !== $post['edited']) ||
!strstr($post['postopts'] ?? '', 'tumblr') || ($post['parent'] != $post['id'])
) {
$b['execute'] = false;
return;
}
}
function tumblr_post_local(array &$b)
{
// This can probably be changed to allow editing by pointing to a different API endpoint
if ($b['edit']) {
return;
}
if (!DI::userSession()->getLocalUserId() || (DI::userSession()->getLocalUserId() != $b['uid'])) {
return;
}
if ($b['private'] || $b['parent']) {
return;
}
$tmbl_post = intval(DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'tumblr', 'post'));
$tmbl_enable = (($tmbl_post && !empty($_REQUEST['tumblr_enable'])) ? intval($_REQUEST['tumblr_enable']) : 0);
if ($b['api_source'] && intval(DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'tumblr', 'post_by_default'))) {
$tmbl_enable = 1;
}
if (!$tmbl_enable) {
return;
}
if (strlen($b['postopts'])) {
$b['postopts'] .= ',';
}
$b['postopts'] .= 'tumblr';
}
function tumblr_send(array &$b)
{
if ($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited'])) {
return;
}
if (!strstr($b['postopts'], 'tumblr')) {
return;
}
if ($b['gravity'] != Item::GRAVITY_PARENT) {
return;
}
if (tumblr_send_npf($b)) {
return;
}
$connection = tumblr_connection($b['uid']);
if (empty($connection)) {
return;
}
$b['body'] = BBCode::removeAttachment($b['body']);
$title = trim($b['title']);
$media = Post\Media::getByURIId($b['uri-id'], [Post\Media::HTML, Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::IMAGE]);
$photo = array_search(Post\Media::IMAGE, array_column($media, 'type'));
$link = array_search(Post\Media::HTML, array_column($media, 'type'));
$audio = array_search(Post\Media::AUDIO, array_column($media, 'type'));
$video = array_search(Post\Media::VIDEO, array_column($media, 'type'));
$params = [
'state' => 'published',
'tags' => implode(',', array_column(Tag::getByURIId($b['uri-id']), 'name')),
'tweet' => 'off',
'format' => 'html',
];
$body = BBCode::removeShareInformation($b['body']);
$body = Post\Media::removeFromEndOfBody($body);
if ($photo !== false) {
$params['type'] = 'photo';
$params['caption'] = BBCode::convertForUriId($b['uri-id'], $body, BBCode::CONNECTORS);
$params['data'] = [];
foreach ($media as $photo) {
if ($photo['type'] == Post\Media::IMAGE) {
if (Network::isLocalLink($photo['url']) && ($data = Photo::getResourceData($photo['url']))) {
$photo = Photo::selectFirst([], ["`resource-id` = ? AND `scale` > ?", $data['guid'], 0]);
if (!empty($photo)) {
$params['data'][] = Photo::getImageDataForPhoto($photo);
}
}
}
}
} elseif ($link !== false) {
$params['type'] = 'link';
$params['title'] = $media[$link]['name'];
$params['url'] = $media[$link]['url'];
$params['description'] = BBCode::convertForUriId($b['uri-id'], $body, BBCode::CONNECTORS);
if (!empty($media[$link]['preview'])) {
$params['thumbnail'] = $media[$link]['preview'];
}
if (!empty($media[$link]['description'])) {
$params['excerpt'] = $media[$link]['description'];
}
if (!empty($media[$link]['author-name'])) {
$params['author'] = $media[$link]['author-name'];
}
} elseif ($audio !== false) {
$params['type'] = 'audio';
$params['external_url'] = $media[$audio]['url'];
$params['caption'] = BBCode::convertForUriId($b['uri-id'], $body, BBCode::CONNECTORS);
} elseif ($video !== false) {
$params['type'] = 'video';
$params['embed'] = $media[$video]['url'];
$params['caption'] = BBCode::convertForUriId($b['uri-id'], $body, BBCode::CONNECTORS);
} else {
$params['type'] = 'text';
$params['title'] = $title;
$params['body'] = BBCode::convertForUriId($b['uri-id'], $b['body'], BBCode::CONNECTORS);
}
if (isset($params['caption']) && (trim($title) != '')) {
$params['caption'] = '<h1>' . $title . '</h1>' .
'<p>' . $params['caption'] . '</p>';
}
$page = tumblr_get_page($b['uid']);
$result = tumblr_post($connection, 'blog/' . $page . '/post', $params);
if ($result['success']) {
Logger::info('success', ['blog' => $page, 'params' => $params]);
return true;
} else {
Logger::notice('error', ['blog' => $page, 'params' => $params, 'result' => $result['data']]);
return false;
}
}
function tumblr_send_npf(array $post): bool
{
$page = tumblr_get_page($post['uid']);
$connection = tumblr_connection($post['uid']);
if (empty($page)) {
Logger::notice('Missing page, post will not be send to Tumblr.', ['uid' => $post['uid'], 'page' => $page, 'id' => $post['id']]);
// "true" is returned, since the legacy function will fail as well.
return true;
}
$post['body'] = Post\Media::addAttachmentsToBody($post['uri-id'], $post['body']);
if (!empty($post['title'])) {
$post['body'] = '[h1]' . $post['title'] . "[/h1]\n" . $post['body'];
}
$params = [
'content' => NPF::fromBBCode($post['body'], $post['uri-id']),
'state' => 'published',
'date' => DateTimeFormat::utc($post['created'], DateTimeFormat::ATOM),
'tags' => implode(',', array_column(Tag::getByURIId($post['uri-id']), 'name')),
'is_private' => false,
'interactability_reblog' => 'everyone'
];
$result = tumblr_post($connection, 'blog/' . $page . '/posts', $params);
if ($result['success']) {
Logger::info('success', ['blog' => $page, 'params' => $params]);
return true;
} else {
Logger::notice('error', ['blog' => $page, 'params' => $params, 'result' => $result['data']]);
return false;
}
}
function tumblr_connection(int $uid): GuzzleHttp\Client|null
{
$oauth_token = DI::pConfig()->get($uid, 'tumblr', 'oauth_token');
$oauth_token_secret = DI::pConfig()->get($uid, 'tumblr', 'oauth_token_secret');
$consumer_key = DI::config()->get('tumblr', 'consumer_key');
$consumer_secret = DI::config()->get('tumblr', 'consumer_secret');
if (!$consumer_key || !$consumer_secret || !$oauth_token || !$oauth_token_secret) {
Logger::notice('Missing data, connection is not established', ['uid' => $uid]);
return null;
}
return tumblr_client($consumer_key, $consumer_secret, $oauth_token, $oauth_token_secret);
}
function tumblr_client(string $consumer_key, string $consumer_secret, string $oauth_token, string $oauth_token_secret): GuzzleHttp\Client
{
$stack = HandlerStack::create();
$middleware = new Oauth1([
'consumer_key' => $consumer_key,
'consumer_secret' => $consumer_secret,
'token' => $oauth_token,
'token_secret' => $oauth_token_secret
]);
$stack->push($middleware);
return new Client([
'base_uri' => 'https://api.tumblr.com/v2/',
'handler' => $stack
]);
}
function tumblr_get_page(int $uid, array $blogs = [])
{
$page = DI::pConfig()->get($uid, 'tumblr', 'page');
if (!empty($page) && (strpos($page, '/') === false)) {
return $page;
}
if (empty($blogs)) {
$blogs = tumblr_get_blogs($uid);
}
if (!empty($blogs)) {
$page = array_key_first($blogs);
DI::pConfig()->set($uid, 'tumblr', 'page', $page);
return $page;
}
return '';
}
function tumblr_get_blogs(int $uid)
{
$connection = tumblr_connection($uid);
if (empty($connection)) {
return [];
}
$userinfo = tumblr_get($connection, 'user/info');
if (empty($userinfo['success'])) {
return [];
}
$blogs = [];
foreach ($userinfo['data']->response->user->blogs as $blog) {
$blogs[$blog->uuid] = $blog->name;
}
return $blogs;
}
function tumblr_get($connection, string $url)
{
try {
$res = $connection->get($url, ['auth' => 'oauth']);
$success = true;
$data = json_decode($res->getBody()->getContents());
} catch (RequestException $exception) {
$success = false;
$data = [];
Logger::notice('Request failed', ['code' => $exception->getCode(), 'message' => $exception->getMessage()]);
}
return ['success' => $success, 'data' => $data];
}
function tumblr_post($connection, string $url, array $parameter)
{
try {
$res = $connection->post($url, ['auth' => 'oauth', 'json' => $parameter]);
$success = true;
$data = json_decode($res->getBody()->getContents());
} catch (RequestException $exception) {
$success = false;
$data = json_decode($exception->getResponse()->getBody()->getContents());
Logger::notice('Post failed', ['code' => $exception->getCode(), 'message' => $exception->getMessage()]);
}
return ['success' => $success, 'data' => $data];
}
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