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Pnut: add connector for pnut.io

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GNU AFFERO GENERAL PUBLIC LICENSE
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# Pnut connector
With this addon to friendica you can give your users the possibility to post their *public* messages to pnut.io.
No setup is needed for the admins to make it work for their users.

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Copyright (c) 2013, Josh Dolitsky
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the Josh Dolitsky nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL TRAVIS RICHARDSON BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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<?php
namespace phpnut;
class phpnutException extends \Exception {}

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<?php
/**
* Name: Pnut Connector
* Description: Post to pnut.io
* Version: 0.1.1
* Author: Morgan McMillian <https://social.clacks.network/profile/spacenerdmo>
* Status: In Development
*/
require_once 'addon/pnut/lib/phpnut.php';
require_once 'addon/pnut/lib/phpnutException.php';
use Friendica\Content\Text\BBCode;
use Friendica\Content\Text\Plaintext;
use Friendica\Core\Config\Util\ConfigFileManager;
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\Object\Image;
use Friendica\Network\HTTPClient\Client\HttpClientAccept;
use Friendica\Network\HTTPClient\Client\HttpClientOptions;
use Friendica\Util\DateTimeFormat;
function pnut_install()
{
Hook::register('load_config', __FILE__, 'pnut_load_config');
Hook::register('hook_fork', __FILE__, 'pnut_hook_fork');
Hook::register('post_local', __FILE__, 'pnut_post_local');
Hook::register('notifier_normal', __FILE__, 'pnut_post_hook');
Hook::register('jot_networks', __FILE__, 'pnut_jot_nets');
Hook::register('connector_settings', __FILE__, 'pnut_settings');
Hook::register('connector_settings_post', __FILE__, 'pnut_settings_post');
}
function pnut_module() {}
function pnut_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 = pnut_connect();
break;
default:
$o = print_r(DI::args()->getArgv(), true);
break;
}
} else {
$o = pnut_connect();
}
return $o;
}
function pnut_connect()
{
$client_id = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'pnut', 'client_id');
$client_secret = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'pnut', 'client_secret');
$callback_url = DI::baseUrl() . '/pnut/connect';
$nut = new phpnut\phpnut($client_id, $client_secret);
try {
$token = $nut->getAccessToken($callback_url);
Logger::debug('TOKEN', [$token]);
$o = DI::l10n()->t('You are now authenticated with pnut.io.');
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'pnut', 'access_token', $token);
} catch (phpnutException $e) {
$o = DI::l10n()->t('Error fetching token. Please try again.');
}
$o .= '<br /><a href="' . DI::baseUrl() . '/settings/connectors">' . DI::l10n()->t("return to the connector page").'</a>';
return $o;
}
function pnut_load_config(ConfigFileManager $loader)
{
DI::app()->getConfigCache()->load($loader->loadAddonConfig('pnut'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
}
function pnut_settings(array &$data)
{
if (!DI::userSession()->getLocalUserId()) {
return;
}
$redirectUri = DI::baseUrl() . '/pnut/connect';
$scope = ['write_post','files'];
$enabled = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'pnut', 'post') ?? false;
$def_enabled = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'pnut', 'post_by_default') ?? false;
$client_id = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'pnut', 'client_id');
$client_secret = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'pnut', 'client_secret');
$token = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'pnut', 'access_token');
Logger::debug('CLIENT_ID', [$client_id]);
Logger::debug('CLIENT_SECRET', [$client_secret]);
if (!empty($client_id) && !empty($client_secret) && empty($token)) {
$nut = new phpnut\phpnut($client_id, $client_secret);
$authorize_url = $nut->getAuthUrl($redirectUri, $scope);
$authorize_text = DI::l10n()->t('Authenticate with pnut.io');
}
if (!empty($token)) {
$disconn_btn = DI::l10n()->t('Disconnect');
}
$t = Renderer::getMarkupTemplate('connector_settings.tpl', 'addon/pnut/');
$html = Renderer::replaceMacros($t, [
'$enable' => ['pnut', DI::l10n()->t('Enable Pnut Post Addon'), $enabled],
'$bydefault' => ['pnut_bydefault', DI::l10n()->t('Post to Pnut by default'), $def_enabled],
'$client_id' => ['pnut_client_id', DI::l10n()->t('Client ID'), $client_id],
'$client_secret' => ['pnut_client_secret', DI::l10n()->t('Client Secret'), $client_secret],
'$access_token' => ['pnut_access_token', DI::l10n()->t('Access Token'), $token, '', '', 'readonly'],
'$authorize_url' => $authorize_url ?? '',
'$authorize_text' => $authorize_text ?? '',
'$disconn_btn' => $disconn_btn ?? '',
]);
$data = [
'connector' => 'pnut',
'title' => DI::l10n()->t('Pnut Import/Export'),
'image' => 'addon/pnut/pnut.svg',
'enabled' => $enabled,
'html' => $html,
];
}
function pnut_settings_post(array &$b)
{
if (empty($_POST['pnut-submit']) && empty($_POST['pnut-disconnect'])) {
return;
}
if (!empty($_POST['pnut-disconnect'])) {
DI::pConfig()->delete(DI::userSession()->getLocalUserId(), 'pnut', 'post');
DI::pConfig()->delete(DI::userSession()->getLocalUserId(), 'pnut', 'post_by_default');
DI::pConfig()->delete(DI::userSession()->getLocalUserId(), 'pnut', 'client_id');
DI::pConfig()->delete(DI::userSession()->getLocalUserId(), 'pnut', 'client_secret');
DI::pConfig()->delete(DI::userSession()->getLocalUserId(), 'pnut', 'access_token');
} else {
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'pnut', 'post', intval($_POST['pnut']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'pnut', 'post_by_default', intval($_POST['pnut_bydefault']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'pnut', 'client_id', $_POST['pnut_client_id']);
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'pnut', 'client_secret', $_POST['pnut_client_secret']);
}
}
function pnut_jot_nets(array &$jotnets_fields)
{
if (!DI::userSession()->getLocalUserId()) {
return;
}
if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'pnut', 'post')) {
$jotnets_fields[] = [
'type' => 'checkbox',
'field' => [
'pnut_enable',
DI::l10n()->t('Post to Pnut'),
DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'pnut', 'post_by_default')
]
];
}
}
function pnut_hook_fork(array &$b)
{
if ($b['name'] != 'notifier_normal') {
return;
}
$post = $b['data'];
if (($post['created'] !== $post['edited']) && !$post['deleted']) {
DI::logger()->info('Editing is not supported by the addon');
$b['execute'] = false;
return;
}
if (!strstr($post['postopts'] ?? '', 'pnut') || ($post['parent'] != $post['id']) || $post['private']) {
$b['execute'] = false;
return;
}
}
function pnut_post_local(array &$b)
{
if ($b['edit']) {
return;
}
if (!DI::userSession()->getLocalUserId() || (DI::userSession()->getLocalUserId() != $b['uid'])) {
return;
}
if ($b['private'] || $b['parent']) {
return;
}
$pnut_post = intval(DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'pnut', 'post'));
$pnut_enable = (($pnut_post && !empty($_REQUEST['pnut_enable'])) ? intval($_REQUEST['pnut_enable']) : 0);
// if API is used, default to the chosen settings
if ($b['api_source'] && intval(DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'pnut', 'post_by_default'))) {
$pnut_enable = 1;
}
if (!$pnut_enable) {
return;
}
if (strlen($b['postopts'])) {
$b['postopts'] .= ',';
}
$b['postopts'] .= 'pnut';
}
function pnut_post_hook(array &$b)
{
/**
* Post to pnut.io
*/
if ($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited'])) {
return;
}
Logger::notice('PNUT post invoked', ['id' => $b['id'], 'guid' => $b['guid'], 'plink' => $b['plink']]);
Logger::debug('PNUT array', $b);
$token = DI::pConfig()->get($b['uid'], 'pnut', 'access_token');
$nut = new phpnut\phpnut($token);
$msgarr = Plaintext::getPost($b, 256, true, BBCode::EXTERNAL);
$text = $msgarr['text'];
$raw = [];
Logger::debug('PNUT msgarr', $msgarr);
if (count($msgarr['parts']) > 1) {
$tstamp = time();
$raw['nl.chimpnut.blog.post'][] = ['body' => $b['body'], 'tstamp' => $tstamp];
$text = Plaintext::shorten($text, 252 - strlen($b['plink']), $b['uid']);
$text .= "\n" . $b['plink'];
}
if ($msgarr['type'] == 'link') {
$text .= "\n[" . $msgarr['title'] . "](" . $msgarr['url'] . ")";
}
if ($msgarr['type'] == 'photo') {
$fileraw = ['type' => 'dev.mcmillian.friendica.image', 'kind' => 'image', 'is_public' => true];
foreach ($msgarr['images'] as $image) {
Logger::debug('PNUT image', $image);
if (!empty($image['id'])) {
$photo = Photo::selectFirst([], ['id' => $image['id']]);
Logger::debug('PNUT selectFirst');
} else {
$photo = Photo::createPhotoForExternalResource($image['url']);
Logger::debug('PNUT createPhotoForExternalResource');
}
$picturedata = Photo::getImageForPhoto($photo);
Logger::debug('PNUT photo', $photo);
$picurefile = System::getTempPath() . DIRECTORY_SEPARATOR . $photo['filename'];
file_put_contents($picurefile, $picturedata);
Logger::debug('PNUT got file?', ['filename' => $picurefile]);
$imagefile = $nut->createFile($picurefile, $fileraw);
Logger::debug('PNUT file', ['pnutimagefile' => $imagefile]);
unlink($picurefile);
$raw['io.pnut.core.oembed'][] = ['+io.pnut.core.file' => ['file_id' => $imagefile['id'], 'file_token' => $imagefile['file_token'], 'format' => 'oembed']];
}
}
$raw['io.pnut.core.crosspost'][] = ['canonical_url' => $b['plink']];
$nut->createPost($text, ['raw' => $raw]);
Logger::debug('PNUT post complete', ['id' => $b['id'], 'text' => $text, 'raw' => $raw]);
}

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<p>{{$status}}</p>
{{include file="field_checkbox.tpl" field=$enable}}
{{include file="field_checkbox.tpl" field=$bydefault}}
{{include file="field_input.tpl" field=$client_id}}
{{include file="field_input.tpl" field=$client_secret}}
{{include file="field_input.tpl" field=$access_token}}
{{if $authorize_url}}
<a href="{{$authorize_url}}">{{$authorize_text}}</a>
{{/if}}
{{if $disconn_btn}}
<div class="submit"><input type="submit" name="pnut-disconnect" value="{{$disconn_btn}}" /></div>
{{/if}}