buffer/buffer.php

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