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