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