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