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