buffer/buffer.php

   1 <?php
   2 /**
   3  * Name: Buffer Post Connector
   4  * Description: Post to Buffer (Facebook, Google+, LinkedIn, Twitter)
   5  * Version: 0.2
   6  * Author: Michael Vogel <http://pirati.ca/profile/heluecht>
   7  */
   8 require 'addon/buffer/bufferapp.php';
   9
  10 use Friendica\App;
  11 use Friendica\Content\Text\Plaintext;
  12 use Friendica\Core\Addon;
  13 use Friendica\Core\Config;
  14 use Friendica\Core\L10n;
  15 use Friendica\Core\Logger;
  16 use Friendica\Core\PConfig;
  17 use Friendica\Core\Protocol;
  18 use Friendica\Core\Renderer;
  19 use Friendica\Database\DBA;
  20 use Friendica\Model\ItemContent;
  21 use Friendica\Util\Proxy as ProxyUtils;
  22
  23 function buffer_install()
  24 {
  25         Addon::registerHook('post_local',           'addon/buffer/buffer.php', 'buffer_post_local');
  26         Addon::registerHook('notifier_normal',      'addon/buffer/buffer.php', 'buffer_send');
  27         Addon::registerHook('jot_networks',         'addon/buffer/buffer.php', 'buffer_jot_nets');
  28         Addon::registerHook('connector_settings',      'addon/buffer/buffer.php', 'buffer_settings');
  29         Addon::registerHook('connector_settings_post', 'addon/buffer/buffer.php', 'buffer_settings_post');
  30 }
  31
  32 function buffer_uninstall()
  33 {
  34         Addon::unregisterHook('post_local',              'addon/buffer/buffer.php', 'buffer_post_local');
  35         Addon::unregisterHook('notifier_normal',         'addon/buffer/buffer.php', 'buffer_send');
  36         Addon::unregisterHook('jot_networks',            'addon/buffer/buffer.php', 'buffer_jot_nets');
  37         Addon::unregisterHook('connector_settings',      'addon/buffer/buffer.php', 'buffer_settings');
  38         Addon::unregisterHook('connector_settings_post', 'addon/buffer/buffer.php', 'buffer_settings_post');
  39 }
  40
  41 function buffer_module()
  42 {
  43 }
  44
  45 function buffer_content(App $a)
  46 {
  47         if (! local_user()) {
  48                 notice(L10n::t('Permission denied.') . EOL);
  49                 return '';
  50         }
  51
  52         require_once "mod/settings.php";
  53         settings_init($a);
  54
  55         if (isset($a->argv[1])) {
  56                 switch ($a->argv[1]) {
  57                         case "connect":
  58                                 $o = buffer_connect($a);
  59                                 break;
  60
  61                         default:
  62                                 $o = print_r($a->argv, true);
  63                                 break;
  64                 }
  65         } else {
  66                 $o = buffer_connect($a);
  67         }
  68
  69         return $o;
  70 }
  71
  72 function buffer_addon_admin(App $a, &$o)
  73 {
  74         $t = Renderer::getMarkupTemplate("admin.tpl", "addon/buffer/");
  75
  76         $o = Renderer::replaceMacros($t, [
  77                 '$submit' => L10n::t('Save Settings'),
  78                 // name, label, value, help, [extra values]
  79                 '$client_id' => ['client_id', L10n::t('Client ID'), Config::get('buffer', 'client_id'), ''],
  80                 '$client_secret' => ['client_secret', L10n::t('Client Secret'), Config::get('buffer', 'client_secret'), ''],
  81         ]);
  82 }
  83
  84 function buffer_addon_admin_post(App $a)
  85 {
  86         $client_id     = ((!empty($_POST['client_id']))     ? notags(trim($_POST['client_id']))     : '');
  87         $client_secret = ((!empty($_POST['client_secret'])) ? notags(trim($_POST['client_secret'])) : '');
  88
  89         Config::set('buffer', 'client_id'    , $client_id);
  90         Config::set('buffer', 'client_secret', $client_secret);
  91
  92         info(L10n::t('Settings updated.'). EOL);
  93 }
  94
  95 function buffer_connect(App $a)
  96 {
  97         if (isset($_REQUEST["error"])) {
  98                 $o = L10n::t('Error when registering buffer connection:')." ".$_REQUEST["error"];
  99                 return $o;
 100         }
 101
 102         // Start a session.  This is necessary to hold on to  a few keys the callback script will also need
 103         session_start();
 104
 105         // Define the needed keys
 106         $client_id = Config::get('buffer','client_id');
 107         $client_secret = Config::get('buffer','client_secret');
 108
 109         // The callback URL is the script that gets called after the user authenticates with buffer
 110         $callback_url = $a->getBaseURL()."/buffer/connect";
 111
 112         $buffer = new BufferApp($client_id, $client_secret, $callback_url);
 113
 114         if (!$buffer->ok) {
 115                 $o .= '<a href="' . $buffer->get_login_url() . '">Connect to Buffer!</a>';
 116         } else {
 117                 Logger::log("buffer_connect: authenticated");
 118                 $o .= L10n::t("You are now authenticated to buffer. ");
 119                 $o .= '<br /><a href="' . $a->getBaseURL() . '/settings/connectors">' . L10n::t("return to the connector page") . '</a>';
 120                 PConfig::set(local_user(), 'buffer','access_token', $buffer->access_token);
 121         }
 122
 123         return $o;
 124 }
 125
 126 function buffer_jot_nets(App $a, &$b)
 127 {
 128         if (!local_user()) {
 129                 return;
 130         }
 131
 132         $buffer_post = PConfig::get(local_user(), 'buffer', 'post');
 133
 134         if (intval($buffer_post) == 1) {
 135                 $buffer_defpost = PConfig::get(local_user(), 'buffer', 'post_by_default');
 136                 $selected = ((intval($buffer_defpost) == 1) ? ' checked="checked" ' : '');
 137                 $b .= '<div class="profile-jot-net"><input type="checkbox" name="buffer_enable"' . $selected . ' value="1" /> '
 138                     . L10n::t('Post to Buffer') . '</div>';
 139         }
 140 }
 141
 142 function buffer_settings(App $a, &$s)
 143 {
 144         if (! local_user()) {
 145                 return;
 146         }
 147
 148         /* Add our stylesheet to the page so we can make our settings look nice */
 149
 150         $a->page['htmlhead'] .= '<link rel="stylesheet"  type="text/css" href="' . $a->getBaseURL() . '/addon/buffer/buffer.css' . '" media="all" />' . "\r\n";
 151
 152         /* Get the current state of our config variables */
 153
 154         $enabled = PConfig::get(local_user(),'buffer','post');
 155         $checked = (($enabled) ? ' checked="checked" ' : '');
 156         $css = (($enabled) ? '' : '-disabled');
 157
 158         $def_enabled = PConfig::get(local_user(),'buffer','post_by_default');
 159         $def_checked = (($def_enabled) ? ' checked="checked" ' : '');
 160
 161         /* Add some HTML to the existing form */
 162
 163         $s .= '<span id="settings_buffer_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_buffer_expanded\'); openClose(\'settings_buffer_inflated\');">';
 164         $s .= '<img class="connector'.$css.'" src="images/buffer.png" /><h3 class="connector">'. L10n::t('Buffer Export').'</h3>';
 165         $s .= '</span>';
 166         $s .= '<div id="settings_buffer_expanded" class="settings-block" style="display: none;">';
 167         $s .= '<span class="fakelink" onclick="openClose(\'settings_buffer_expanded\'); openClose(\'settings_buffer_inflated\');">';
 168         $s .= '<img class="connector'.$css.'" src="images/buffer.png" /><h3 class="connector">'. L10n::t('Buffer Export').'</h3>';
 169         $s .= '</span>';
 170
 171         $client_id = Config::get("buffer", "client_id");
 172         $client_secret = Config::get("buffer", "client_secret");
 173         $access_token = PConfig::get(local_user(), "buffer", "access_token");
 174
 175         $s .= '<div id="buffer-password-wrapper">';
 176
 177         if ($access_token == "") {
 178                 $s .= '<div id="buffer-authenticate-wrapper">';
 179                 $s .= '<a href="'.$a->getBaseURL().'/buffer/connect">'.L10n::t("Authenticate your Buffer connection").'</a>';
 180                 $s .= '</div><div class="clear"></div>';
 181         } else {
 182                 $s .= '<div id="buffer-enable-wrapper">';
 183                 $s .= '<label id="buffer-enable-label" for="buffer-checkbox">' . L10n::t('Enable Buffer Post Addon') . '</label>';
 184                 $s .= '<input id="buffer-checkbox" type="checkbox" name="buffer" value="1" ' . $checked . '/>';
 185                 $s .= '</div><div class="clear"></div>';
 186
 187                 $s .= '<div id="buffer-bydefault-wrapper">';
 188                 $s .= '<label id="buffer-bydefault-label" for="buffer-bydefault">' . L10n::t('Post to Buffer by default') . '</label>';
 189                 $s .= '<input id="buffer-bydefault" type="checkbox" name="buffer_bydefault" value="1" ' . $def_checked . '/>';
 190                 $s .= '</div><div class="clear"></div>';
 191
 192                 $s .= '<div id="buffer-delete-wrapper">';
 193                 $s .= '<label id="buffer-delete-label" for="buffer-delete">' . L10n::t('Check to delete this preset') . '</label>';
 194                 $s .= '<input id="buffer-delete" type="checkbox" name="buffer_delete" value="1" />';
 195                 $s .= '</div><div class="clear"></div>';
 196
 197                 // The callback URL is the script that gets called after the user authenticates with buffer
 198                 $callback_url = $a->getBaseURL() . '/buffer/connect';
 199
 200                 $buffer = new BufferApp($client_id, $client_secret, $callback_url, $access_token);
 201
 202                 $profiles = $buffer->go('/profiles');
 203                 if (is_array($profiles)) {
 204                         $s .= '<div id="buffer-accounts-wrapper">';
 205                         $s .= L10n::t("Posts are going to all accounts that are enabled by default:");
 206                         $s .= "<ul>";
 207                         foreach ($profiles as $profile) {
 208                                 if (!$profile->default)
 209                                         continue;
 210                                 $s .= "<li>";
 211                                 //$s .= "<img src='".$profile->avatar_https."' width='16' />";
 212                                 $s .= " ".$profile->formatted_username." (".$profile->formatted_service.")";
 213                                 $s .= "</li>";
 214                         }
 215                         $s .= "</ul>";
 216                         $s .= '</div><div class="clear"></div>';
 217                 }
 218
 219         }
 220
 221         $s .= '</div><div class="clear"></div>';
 222
 223         /* provide a submit button */
 224
 225         $s .= '<div class="settings-submit-wrapper" ><input type="submit" id="buffer-submit" name="buffer-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div></div>';
 226 }
 227
 228
 229 function buffer_settings_post(App $a, array &$b)
 230 {
 231         if (!empty($_POST['buffer-submit'])) {
 232                 if (!empty($_POST['buffer_delete'])) {
 233                         PConfig::set(local_user(), 'buffer', 'access_token'   , '');
 234                         PConfig::set(local_user(), 'buffer', 'post'           , false);
 235                         PConfig::set(local_user(), 'buffer', 'post_by_default', false);
 236                 } else {
 237                         PConfig::set(local_user(), 'buffer', 'post'           , intval($_POST['buffer']));
 238                         PConfig::set(local_user(), 'buffer', 'post_by_default', intval($_POST['buffer_bydefault']));
 239                 }
 240         }
 241 }
 242
 243 function buffer_post_local(App $a, array &$b)
 244 {
 245         if (!local_user() || (local_user() != $b['uid'])) {
 246                 return;
 247         }
 248
 249         $buffer_post   = intval(PConfig::get(local_user(),'buffer','post'));
 250
 251         $buffer_enable = (($buffer_post && !empty($_REQUEST['buffer_enable'])) ? intval($_REQUEST['buffer_enable']) : 0);
 252
 253         if ($b['api_source'] && intval(PConfig::get(local_user(),'buffer','post_by_default'))) {
 254                 $buffer_enable = 1;
 255         }
 256
 257         if (!$buffer_enable) {
 258                 return;
 259         }
 260
 261         if (strlen($b['postopts'])) {
 262                 $b['postopts'] .= ',';
 263         }
 264
 265         $b['postopts'] .= 'buffer';
 266 }
 267
 268 function buffer_send(App $a, array &$b)
 269 {
 270         if ($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited'])) {
 271                 return;
 272         }
 273
 274         if (!strstr($b['postopts'],'buffer')) {
 275                 return;
 276         }
 277
 278         if ($b['parent'] != $b['id']) {
 279                 return;
 280         }
 281
 282         // Dont't post if the post doesn't belong to us.
 283         // This is a check for forum postings
 284         $self = DBA::selectFirst('contact', ['id'], ['uid' => $b['uid'], 'self' => true]);
 285         if ($b['contact-id'] != $self['id']) {
 286                 return;
 287         }
 288
 289         // if post comes from buffer don't send it back
 290         //if($b['app'] == "Buffer")
 291         //      return;
 292
 293         $client_id = Config::get("buffer", "client_id");
 294         $client_secret = Config::get("buffer", "client_secret");
 295         $access_token = PConfig::get($b['uid'], "buffer","access_token");
 296         $callback_url = "";
 297
 298         if ($access_token) {
 299                 $buffer = new BufferApp($client_id, $client_secret, $callback_url, $access_token);
 300
 301                 $profiles = $buffer->go('/profiles');
 302                 if (is_array($profiles)) {
 303                         Logger::log("Will send these parameter ".print_r($b, true), Logger::DEBUG);
 304
 305                         foreach ($profiles as $profile) {
 306                                 if (!$profile->default)
 307                                         continue;
 308
 309                                 $send = false;
 310
 311                                 switch ($profile->service) {
 312                                         case 'facebook':
 313                                                 $send = ($b["extid"] != Protocol::FACEBOOK);
 314                                                 $limit = 0;
 315                                                 $markup = false;
 316                                                 $includedlinks = false;
 317                                                 $htmlmode = 9;
 318                                                 break;
 319
 320                                         case 'google':
 321                                                 $send = ($b["extid"] != Protocol::GPLUS);
 322                                                 $limit = 0;
 323                                                 $markup = true;
 324                                                 $includedlinks = false;
 325                                                 $htmlmode = 9;
 326                                                 break;
 327
 328                                         case 'twitter':
 329                                                 $send = ($b["extid"] != Protocol::TWITTER);
 330                                                 $limit = 280;
 331                                                 $markup = false;
 332                                                 $includedlinks = true;
 333                                                 $htmlmode = 8;
 334                                                 break;
 335
 336                                         case 'linkedin':
 337                                                 $send = ($b["extid"] != Protocol::LINKEDIN);
 338                                                 $limit = 700;
 339                                                 $markup = false;
 340                                                 $includedlinks = true;
 341                                                 $htmlmode = 2;
 342                                                 break;
 343                                 }
 344
 345                                 if (!$send)
 346                                         continue;
 347
 348                                 $item = $b;
 349
 350                                 // Markup for Google+
 351                                 if ($markup) {
 352                                         if ($item["title"] != "") {
 353                                                 $item["title"] = "*" . $item["title"] . "*";
 354                                         }
 355
 356                                         $item["body"] = preg_replace("(\[b\](.*?)\[\/b\])ism", '*$1*', $item["body"]);
 357                                         $item["body"] = preg_replace("(\[i\](.*?)\[\/i\])ism", '_$1_', $item["body"]);
 358                                         $item["body"] = preg_replace("(\[s\](.*?)\[\/s\])ism", '-$1-', $item["body"]);
 359                                 }
 360
 361                                 $post = ItemContent::getPlaintextPost($item, $limit, $includedlinks, $htmlmode);
 362                                 Logger::log("buffer_send: converted message ".$b["id"]." result: ".print_r($post, true), Logger::DEBUG);
 363
 364                                 // The image proxy is used as a sanitizer. Buffer seems to be really picky about pictures
 365                                 if (isset($post["image"])) {
 366                                         $post["image"] = ProxyUtils::proxifyUrl($post["image"]);
 367                                 }
 368
 369                                 if (isset($post["preview"])) {
 370                                         $post["preview"] = ProxyUtils::proxifyUrl($post["preview"]);
 371                                 }
 372
 373                                 // Seems like a bug to me
 374                                 // Buffer doesn't add links to Twitter (but pictures)
 375                                 if (($profile->service == "twitter") && isset($post["url"]) && ($post["type"] != "photo")) {
 376                                         $post["text"] .= " " . $post["url"];
 377                                 } elseif ($profile->service == "google") {
 378                                         $post["text"] .= html_entity_decode("&#x00A0;", ENT_QUOTES, 'UTF-8'); // Send a special blank to identify the post through the "fromgplus" addon
 379                                 }
 380
 381                                 $message = [];
 382                                 $message["text"] = $post["text"];
 383                                 $message["profile_ids[]"] = $profile->id;
 384                                 $message["shorten"] = false;
 385                                 $message["now"] = true;
 386
 387                                 if (isset($post["title"])) {
 388                                         $message["media[title]"] = $post["title"];
 389                                 }
 390
 391                                 if (isset($post["description"])) {
 392                                         $message["media[description]"] = $post["description"];
 393                                 }
 394
 395                                 if (isset($post["url"]) && ($post["type"] != "photo")) {
 396                                         $message["media[link]"] = $post["url"];
 397                                 }
 398
 399                                 if (isset($post["image"])) {
 400                                         $message["media[picture]"] = $post["image"];
 401
 402                                         if ($post["type"] == "photo") {
 403                                                 $message["media[thumbnail]"] = $post["image"];
 404                                         }
 405                                 }
 406
 407                                 if (isset($post["preview"])) {
 408                                         $message["media[thumbnail]"] = $post["preview"];
 409                                 }
 410
 411                                 //print_r($message);
 412                                 Logger::log("buffer_send: data for message " . $b["id"] . ": " . print_r($message, true), Logger::DEBUG);
 413                                 $ret = $buffer->go('/updates/create', $message);
 414                                 Logger::log("buffer_send: send message " . $b["id"] . " result: " . print_r($ret, true), Logger::DEBUG);
 415                         }
 416                 }
 417         }
 418 }