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