411 lines
13 KiB
PHP
411 lines
13 KiB
PHP
<?php
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/**
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* Name: Buffer Post Connector
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* Description: Post to Buffer (Facebook Pages, LinkedIn, Twitter)
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* Version: 0.2
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* Author: Michael Vogel <http://pirati.ca/profile/heluecht>
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* Status: Unsupported
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*/
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require 'addon/buffer/bufferapp.php';
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use Friendica\App;
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use Friendica\Core\Hook;
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use Friendica\Core\Logger;
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use Friendica\Core\Protocol;
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use Friendica\Core\Renderer;
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use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Model\ItemContent;
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use Friendica\Util\Proxy as ProxyUtils;
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use Friendica\Util\Strings;
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function buffer_install()
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{
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Hook::register('hook_fork', 'addon/buffer/buffer.php', 'buffer_hook_fork');
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Hook::register('post_local', 'addon/buffer/buffer.php', 'buffer_post_local');
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Hook::register('notifier_normal', 'addon/buffer/buffer.php', 'buffer_send');
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Hook::register('jot_networks', 'addon/buffer/buffer.php', 'buffer_jot_nets');
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Hook::register('connector_settings', 'addon/buffer/buffer.php', 'buffer_settings');
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Hook::register('connector_settings_post', 'addon/buffer/buffer.php', 'buffer_settings_post');
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}
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function buffer_uninstall()
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{
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Hook::unregister('hook_fork', 'addon/buffer/buffer.php', 'buffer_hook_fork');
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Hook::unregister('post_local', 'addon/buffer/buffer.php', 'buffer_post_local');
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Hook::unregister('notifier_normal', 'addon/buffer/buffer.php', 'buffer_send');
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Hook::unregister('jot_networks', 'addon/buffer/buffer.php', 'buffer_jot_nets');
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Hook::unregister('connector_settings', 'addon/buffer/buffer.php', 'buffer_settings');
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Hook::unregister('connector_settings_post', 'addon/buffer/buffer.php', 'buffer_settings_post');
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}
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function buffer_module()
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{
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}
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function buffer_content(App $a)
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{
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if (! local_user()) {
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notice(DI::l10n()->t('Permission denied.') . EOL);
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return '';
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}
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require_once "mod/settings.php";
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settings_init($a);
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if (isset($a->argv[1])) {
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switch ($a->argv[1]) {
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case "connect":
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$o = buffer_connect($a);
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break;
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default:
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$o = print_r($a->argv, true);
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break;
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}
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} else {
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$o = buffer_connect($a);
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}
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return $o;
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}
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function buffer_addon_admin(App $a, &$o)
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{
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$t = Renderer::getMarkupTemplate("admin.tpl", "addon/buffer/");
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$o = Renderer::replaceMacros($t, [
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'$submit' => DI::l10n()->t('Save Settings'),
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// name, label, value, help, [extra values]
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'$client_id' => ['client_id', DI::l10n()->t('Client ID'), DI::config()->get('buffer', 'client_id'), ''],
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'$client_secret' => ['client_secret', DI::l10n()->t('Client Secret'), DI::config()->get('buffer', 'client_secret'), ''],
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]);
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}
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function buffer_addon_admin_post(App $a)
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{
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$client_id = (!empty($_POST['client_id']) ? Strings::escapeTags(trim($_POST['client_id'])) : '');
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$client_secret = (!empty($_POST['client_secret']) ? Strings::escapeTags(trim($_POST['client_secret'])) : '');
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DI::config()->set('buffer', 'client_id' , $client_id);
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DI::config()->set('buffer', 'client_secret', $client_secret);
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}
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function buffer_connect(App $a)
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{
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if (isset($_REQUEST["error"])) {
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$o = DI::l10n()->t('Error when registering buffer connection:')." ".$_REQUEST["error"];
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return $o;
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}
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// Start a session. This is necessary to hold on to a few keys the callback script will also need
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session_start();
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// Define the needed keys
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$client_id = DI::config()->get('buffer','client_id');
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$client_secret = DI::config()->get('buffer','client_secret');
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// The callback URL is the script that gets called after the user authenticates with buffer
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$callback_url = DI::baseUrl()->get()."/buffer/connect";
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$buffer = new BufferApp($client_id, $client_secret, $callback_url);
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if (!$buffer->ok) {
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$o = '<a href="' . $buffer->get_login_url() . '">Connect to Buffer!</a>';
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} else {
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Logger::log("buffer_connect: authenticated");
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$o = DI::l10n()->t("You are now authenticated to buffer. ");
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$o .= '<br /><a href="' . DI::baseUrl()->get() . '/settings/connectors">' . DI::l10n()->t("return to the connector page") . '</a>';
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DI::pConfig()->set(local_user(), 'buffer','access_token', $buffer->access_token);
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}
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return $o;
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}
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function buffer_jot_nets(App $a, array &$jotnets_fields)
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{
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if (!local_user()) {
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return;
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}
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if (DI::pConfig()->get(local_user(), 'buffer', 'post')) {
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$jotnets_fields[] = [
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'type' => 'checkbox',
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'field' => [
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'buffer_enable',
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DI::l10n()->t('Post to Buffer'),
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DI::pConfig()->get(local_user(), 'buffer', 'post_by_default')
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]
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];
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}
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}
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function buffer_settings(App $a, &$s)
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{
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if (! local_user()) {
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return;
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}
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/* Add our stylesheet to the page so we can make our settings look nice */
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DI::page()['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' . DI::baseUrl()->get() . '/addon/buffer/buffer.css' . '" media="all" />' . "\r\n";
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/* Get the current state of our config variables */
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$enabled = DI::pConfig()->get(local_user(),'buffer','post');
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$checked = (($enabled) ? ' checked="checked" ' : '');
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$css = (($enabled) ? '' : '-disabled');
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$def_enabled = DI::pConfig()->get(local_user(),'buffer','post_by_default');
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$def_checked = (($def_enabled) ? ' checked="checked" ' : '');
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/* Add some HTML to the existing form */
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$s .= '<span id="settings_buffer_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_buffer_expanded\'); openClose(\'settings_buffer_inflated\');">';
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$s .= '<img class="connector'.$css.'" src="images/buffer.png" /><h3 class="connector">'. DI::l10n()->t('Buffer Export').'</h3>';
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$s .= '</span>';
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$s .= '<div id="settings_buffer_expanded" class="settings-block" style="display: none;">';
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$s .= '<span class="fakelink" onclick="openClose(\'settings_buffer_expanded\'); openClose(\'settings_buffer_inflated\');">';
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$s .= '<img class="connector'.$css.'" src="images/buffer.png" /><h3 class="connector">'. DI::l10n()->t('Buffer Export').'</h3>';
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$s .= '</span>';
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$client_id = DI::config()->get("buffer", "client_id");
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$client_secret = DI::config()->get("buffer", "client_secret");
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$access_token = DI::pConfig()->get(local_user(), "buffer", "access_token");
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$s .= '<div id="buffer-password-wrapper">';
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if ($access_token == "") {
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$s .= '<div id="buffer-authenticate-wrapper">';
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$s .= '<a href="'.DI::baseUrl()->get().'/buffer/connect">'.DI::l10n()->t("Authenticate your Buffer connection").'</a>';
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$s .= '</div><div class="clear"></div>';
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} else {
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$s .= '<div id="buffer-enable-wrapper">';
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$s .= '<label id="buffer-enable-label" for="buffer-checkbox">' . DI::l10n()->t('Enable Buffer Post Addon') . '</label>';
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$s .= '<input id="buffer-checkbox" type="checkbox" name="buffer" value="1" ' . $checked . '/>';
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$s .= '</div><div class="clear"></div>';
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$s .= '<div id="buffer-bydefault-wrapper">';
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$s .= '<label id="buffer-bydefault-label" for="buffer-bydefault">' . DI::l10n()->t('Post to Buffer by default') . '</label>';
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$s .= '<input id="buffer-bydefault" type="checkbox" name="buffer_bydefault" value="1" ' . $def_checked . '/>';
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$s .= '</div><div class="clear"></div>';
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$s .= '<div id="buffer-delete-wrapper">';
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$s .= '<label id="buffer-delete-label" for="buffer-delete">' . DI::l10n()->t('Check to delete this preset') . '</label>';
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$s .= '<input id="buffer-delete" type="checkbox" name="buffer_delete" value="1" />';
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$s .= '</div><div class="clear"></div>';
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// The callback URL is the script that gets called after the user authenticates with buffer
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$callback_url = DI::baseUrl()->get() . '/buffer/connect';
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$buffer = new BufferApp($client_id, $client_secret, $callback_url, $access_token);
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$profiles = $buffer->go('/profiles');
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if (is_array($profiles)) {
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$s .= '<div id="buffer-accounts-wrapper">';
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$s .= DI::l10n()->t("Posts are going to all accounts that are enabled by default:");
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$s .= "<ul>";
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foreach ($profiles as $profile) {
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if (!$profile->default)
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continue;
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$s .= "<li>";
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//$s .= "<img src='".$profile->avatar_https."' width='16' />";
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$s .= " ".$profile->formatted_username." (".$profile->formatted_service.")";
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$s .= "</li>";
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}
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$s .= "</ul>";
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$s .= '</div><div class="clear"></div>';
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}
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}
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$s .= '</div><div class="clear"></div>';
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/* provide a submit button */
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$s .= '<div class="settings-submit-wrapper" ><input type="submit" id="buffer-submit" name="buffer-submit" class="settings-submit" value="' . DI::l10n()->t('Save Settings') . '" /></div></div>';
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}
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function buffer_settings_post(App $a, array &$b)
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{
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if (!empty($_POST['buffer-submit'])) {
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if (!empty($_POST['buffer_delete'])) {
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DI::pConfig()->set(local_user(), 'buffer', 'access_token' , '');
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DI::pConfig()->set(local_user(), 'buffer', 'post' , false);
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DI::pConfig()->set(local_user(), 'buffer', 'post_by_default', false);
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} else {
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DI::pConfig()->set(local_user(), 'buffer', 'post' , intval($_POST['buffer'] ?? false));
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DI::pConfig()->set(local_user(), 'buffer', 'post_by_default', intval($_POST['buffer_bydefault'] ?? false));
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}
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}
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}
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function buffer_post_local(App $a, array &$b)
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{
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if (!local_user() || (local_user() != $b['uid'])) {
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return;
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}
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$buffer_post = intval(DI::pConfig()->get(local_user(),'buffer','post'));
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$buffer_enable = (($buffer_post && !empty($_REQUEST['buffer_enable'])) ? intval($_REQUEST['buffer_enable']) : 0);
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if ($b['api_source'] && intval(DI::pConfig()->get(local_user(),'buffer','post_by_default'))) {
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$buffer_enable = 1;
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}
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if (!$buffer_enable) {
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return;
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}
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if (strlen($b['postopts'])) {
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$b['postopts'] .= ',';
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}
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$b['postopts'] .= 'buffer';
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}
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function buffer_hook_fork(&$a, &$b)
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{
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if ($b['name'] != 'notifier_normal') {
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return;
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}
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$post = $b['data'];
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if ($post['deleted'] || $post['private'] || ($post['created'] !== $post['edited']) ||
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!strstr($post['postopts'], 'buffer') || ($post['parent'] != $post['id'])) {
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$b['execute'] = false;
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return;
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}
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}
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function buffer_send(App $a, array &$b)
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{
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if ($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited'])) {
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return;
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}
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if (!strstr($b['postopts'],'buffer')) {
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return;
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}
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if ($b['parent'] != $b['id']) {
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return;
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}
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// Dont't post if the post doesn't belong to us.
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// This is a check for forum postings
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$self = DBA::selectFirst('contact', ['id'], ['uid' => $b['uid'], 'self' => true]);
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if ($b['contact-id'] != $self['id']) {
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return;
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}
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// if post comes from buffer don't send it back
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//if($b['app'] == "Buffer")
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// return;
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$client_id = DI::config()->get("buffer", "client_id");
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$client_secret = DI::config()->get("buffer", "client_secret");
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$access_token = DI::pConfig()->get($b['uid'], "buffer","access_token");
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$callback_url = "";
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if ($access_token) {
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$buffer = new BufferApp($client_id, $client_secret, $callback_url, $access_token);
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$profiles = $buffer->go('/profiles');
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if (is_array($profiles)) {
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Logger::log("Will send these parameter ".print_r($b, true), Logger::DEBUG);
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foreach ($profiles as $profile) {
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if (!$profile->default)
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continue;
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$send = false;
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switch ($profile->service) {
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case 'facebook':
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$send = ($b["extid"] != Protocol::FACEBOOK);
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$limit = 0;
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$includedlinks = false;
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$htmlmode = 9;
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break;
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case 'twitter':
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$send = ($b["extid"] != Protocol::TWITTER);
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$limit = 280;
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$includedlinks = true;
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$htmlmode = 8;
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break;
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case 'linkedin':
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$send = ($b["extid"] != Protocol::LINKEDIN);
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$limit = 700;
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$includedlinks = true;
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$htmlmode = 2;
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break;
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}
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if (!$send)
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continue;
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$item = $b;
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$post = ItemContent::getPlaintextPost($item, $limit, $includedlinks, $htmlmode);
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Logger::log("buffer_send: converted message ".$b["id"]." result: ".print_r($post, true), Logger::DEBUG);
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// The image proxy is used as a sanitizer. Buffer seems to be really picky about pictures
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if (isset($post["image"])) {
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$post["image"] = ProxyUtils::proxifyUrl($post["image"]);
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}
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if (isset($post["preview"])) {
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$post["preview"] = ProxyUtils::proxifyUrl($post["preview"]);
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}
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// Seems like a bug to me
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// Buffer doesn't add links to Twitter (but pictures)
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if (($profile->service == "twitter") && isset($post["url"]) && ($post["type"] != "photo")) {
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$post["text"] .= " " . $post["url"];
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}
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$message = [];
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$message["text"] = $post["text"];
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$message["profile_ids[]"] = $profile->id;
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$message["shorten"] = false;
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$message["now"] = true;
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if (isset($post["title"])) {
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$message["media[title]"] = $post["title"];
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}
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if (isset($post["description"])) {
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$message["media[description]"] = $post["description"];
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}
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if (isset($post["url"]) && ($post["type"] != "photo")) {
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$message["media[link]"] = $post["url"];
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}
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if (isset($post["image"])) {
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$message["media[picture]"] = $post["image"];
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if ($post["type"] == "photo") {
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$message["media[thumbnail]"] = $post["image"];
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}
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}
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if (isset($post["preview"])) {
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$message["media[thumbnail]"] = $post["preview"];
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}
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//print_r($message);
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Logger::log("buffer_send: data for message " . $b["id"] . ": " . print_r($message, true), Logger::DEBUG);
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$ret = $buffer->go('/updates/create', $message);
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Logger::log("buffer_send: send message " . $b["id"] . " result: " . print_r($ret, true), Logger::DEBUG);
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}
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}
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}
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}
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