mod/dfrn_notify.php

   1 <?php
   2
   3 require_once('simplepie/simplepie.inc');
   4 require_once('include/items.php');
   5 function dfrn_notify_post(&$a) {
   6
   7         $dfrn_id      = ((x($_POST,'dfrn_id'))      ? notags(trim($_POST['dfrn_id']))   : '');
   8         $dfrn_version = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version']    : 2.0);
   9         $challenge    = ((x($_POST,'challenge'))    ? notags(trim($_POST['challenge'])) : '');
  10         $data         = ((x($_POST,'data'))         ? $_POST['data']                    : '');
  11         $key          = ((x($_POST,'key'))          ? $_POST['key']                     : '');
  12         $dissolve     = ((x($_POST,'dissolve'))     ? intval($_POST['dissolve'])        :  0);
  13
  14         $direction = (-1);
  15         if(strpos($dfrn_id,':') == 1) {
  16                 $direction = intval(substr($dfrn_id,0,1));
  17                 $dfrn_id = substr($dfrn_id,2);
  18         }
  19
  20         $r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
  21                 dbesc($dfrn_id),
  22                 dbesc($challenge)
  23         );
  24         if(! count($r)) {
  25                 logger('dfrn_notify: could not match challenge to dfrn_id ' . $dfrn_id . ' challenge=' . $challenge);
  26                 xml_status(3);
  27         }
  28
  29         $r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
  30                 dbesc($dfrn_id),
  31                 dbesc($challenge)
  32         );
  33
  34         // find the local user who owns this relationship.
  35
  36         $sql_extra = '';
  37         switch($direction) {
  38                 case (-1):
  39                         $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
  40                         break;
  41                 case 0:
  42                         $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
  43                         break;
  44                 case 1:
  45                         $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
  46                         break;
  47                 default:
  48                         xml_status(3);
  49                         break; // NOTREACHED
  50         }
  51
  52
  53         $r = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`,
  54                                         `contact`.`pubkey` AS `cpubkey`,
  55                                         `contact`.`prvkey` AS `cprvkey`,
  56                                         `contact`.`thumb` AS `thumb`,
  57                                         `contact`.`url` as `url`,
  58                                         `contact`.`name` as `senderName`,
  59                                         `user`.*
  60                         FROM `contact`
  61                         LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
  62                         WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
  63                                 AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
  64                 dbesc($a->argv[1])
  65         );
  66
  67         if(! count($r)) {
  68                 logger('dfrn_notify: contact not found for dfrn_id ' . $dfrn_id);
  69                 xml_status(3);
  70                 //NOTREACHED
  71         }
  72
  73         // $importer in this case contains the contact record for the remote contact joined with the user record of our user.
  74
  75         $importer = $r[0];
  76
  77         logger('dfrn_notify: received notify from ' . $importer['name'] . ' for ' . $importer['username']);
  78         logger('dfrn_notify: data: ' . $data, LOGGER_DATA);
  79
  80         if($dissolve == 1) {
  81
  82                 /**
  83                  * Relationship is dissolved permanently
  84                  */
  85
  86                 require_once('include/Contact.php');
  87                 contact_remove($importer['id']);
  88                 logger('relationship dissolved : ' . $importer['name'] . ' dissolved ' . $importer['username']);
  89                 xml_status(0);
  90
  91         }
  92
  93         if(strlen($key)) {
  94                 $rawkey = hex2bin(trim($key));
  95                 logger('rino: md5 raw key: ' . md5($rawkey));
  96                 $final_key = '';
  97
  98                 if($dfrn_version >= 2.1) {
  99                         if((($importer['duplex']) && strlen($importer['cprvkey'])) || (! strlen($importer['cpubkey']))) {
 100                                 openssl_private_decrypt($rawkey,$final_key,$importer['cprvkey']);
 101                         }
 102                         else {
 103                                 openssl_public_decrypt($rawkey,$final_key,$importer['cpubkey']);
 104                         }
 105                 }
 106                 else {
 107                         if((($importer['duplex']) && strlen($importer['cpubkey'])) || (! strlen($importer['cprvkey']))) {
 108                                 openssl_public_decrypt($rawkey,$final_key,$importer['cpubkey']);
 109                         }
 110                         else {
 111                                 openssl_private_decrypt($rawkey,$final_key,$importer['cprvkey']);
 112                         }
 113                 }
 114
 115                 logger('rino: received key : ' . $final_key);
 116                 $data = aes_decrypt(hex2bin($data),$final_key);
 117                 logger('rino: decrypted data: ' . $data, LOGGER_DATA);
 118         }
 119
 120
 121
 122
 123         if($importer['readonly']) {
 124                 // We aren't receiving stuff from this person. But we will quietly ignore them
 125                 // rather than a blatant "go away" message.
 126                 logger('dfrn_notify: ignoring');
 127                 xml_status(0);
 128                 //NOTREACHED
 129         }
 130
 131         // Consume notification feed. This may differ from consuming a public feed in several ways
 132         // - might contain email
 133         // - might contain remote followup to our message
 134         //              - in which case we need to accept it and then notify other conversants
 135         // - we may need to send various email notifications
 136
 137         $feed = new SimplePie();
 138         $feed->set_raw_data($data);
 139         $feed->enable_order_by_date(false);
 140         $feed->init();
 141
 142         $ismail = false;
 143
 144         $rawmail = $feed->get_feed_tags( NAMESPACE_DFRN, 'mail' );
 145         if(isset($rawmail[0]['child'][NAMESPACE_DFRN])) {
 146
 147                 logger('dfrn_notify: private message received');
 148
 149                 $ismail = true;
 150                 $base = $rawmail[0]['child'][NAMESPACE_DFRN];
 151
 152                 $msg = array();
 153                 $msg['uid'] = $importer['importer_uid'];
 154                 $msg['from-name'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['name'][0]['data']));
 155                 $msg['from-photo'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['avatar'][0]['data']));
 156                 $msg['from-url'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['uri'][0]['data']));
 157                 $msg['contact-id'] = $importer['id'];
 158                 $msg['title'] = notags(unxmlify($base['subject'][0]['data']));
 159                 $msg['body'] = escape_tags(unxmlify($base['content'][0]['data']));
 160                 $msg['seen'] = 0;
 161                 $msg['replied'] = 0;
 162                 $msg['uri'] = notags(unxmlify($base['id'][0]['data']));
 163                 $msg['parent-uri'] = notags(unxmlify($base['in-reply-to'][0]['data']));
 164                 $msg['created'] = datetime_convert(notags(unxmlify('UTC','UTC',$base['sentdate'][0]['data'])));
 165
 166                 dbesc_array($msg);
 167
 168                 $r = dbq("INSERT INTO `mail` (`" . implode("`, `", array_keys($msg))
 169                         . "`) VALUES ('" . implode("', '", array_values($msg)) . "')" );
 170
 171                 // send email notification if requested.
 172
 173                 require_once('bbcode.php');
 174                 if($importer['notify-flags'] & NOTIFY_MAIL) {
 175
 176                         // name of the automated email sender
 177                         $msg['notificationfromname']    = t('Administrator');
 178                         // noreply address to send from
 179                         $msg['notificationfromemail']   = t('noreply') . '@' . $a->get_hostname();
 180
 181                         // text version
 182                         // process the message body to display properly in text mode
 183                         //              1) substitute a \n character for the "\" then "n", so it behaves properly (it doesn't come in as a \n character)
 184                         //              2) remove escape slashes
 185                         //              3) decode any bbcode from the message editor
 186                         //              4) decode any encoded html tags
 187                         //              5) remove html tags
 188                         $msg['textversion']
 189                                 = strip_tags(html_entity_decode(bbcode(stripslashes(str_replace(array("\\r\\n", "\\r", "\\n"), "\n",$msg['body']))),ENT_QUOTES,'UTF-8'));
 190
 191                         // html version
 192                         // process the message body to display properly in text mode
 193                         //              1) substitute a <br /> tag for the "\" then "n", so it behaves properly (it doesn't come in as a \n character)
 194                         //              2) remove escape slashes
 195                         //              3) decode any bbcode from the message editor
 196                         //              4) decode any encoded html tags
 197                         $msg['htmlversion']
 198                                 = html_entity_decode(bbcode(stripslashes(str_replace(array("\\r\\n", "\\r","\\n\\n" ,"\\n"), "<br />\n",$msg['body']))));
 199
 200                         // load the template for private message notifications
 201                         $tpl = load_view_file('view/mail_received_html_body_eml.tpl');
 202                         $email_html_body_tpl = replace_macros($tpl,array(
 203                                 '$siteName'             => $a->config['sitename'],                              // name of this site
 204                                 '$siteurl'              => $a->get_baseurl(),                                   // descriptive url of this site
 205                                 '$thumb'                => $importer['thumb'],                                  // thumbnail url for sender icon
 206                                 '$email'                => $importer['email'],                                  // email address to send to
 207                                 '$url'                  => $importer['url'],                                    // full url for the site
 208                                 '$from'                 => $msg['from-name'],                                   // name of the person sending the message
 209                                 '$title'                => stripslashes($msg['title']),                 // subject of the message
 210                                 '$htmlversion'  => $msg['htmlversion'],                                 // html version of the message
 211                                 '$mimeboundary' => $msg['mimeboundary'],                                // mime message divider
 212                                 '$hostname'             => $a->get_hostname()                                   // name of this host
 213                         ));
 214
 215                         // load the template for private message notifications
 216                         $tpl = load_view_file('view/mail_received_text_body_eml.tpl');
 217                         $email_text_body_tpl = replace_macros($tpl,array(
 218                                 '$siteName'             => $a->config['sitename'],                              // name of this site
 219                                 '$siteurl'              => $a->get_baseurl(),                                   // descriptive url of this site
 220                                 '$thumb'                => $importer['thumb'],                                  // thumbnail url for sender icon
 221                                 '$email'                => $importer['email'],                                  // email address to send to
 222                                 '$url'                  => $importer['url'],                                    // full url for the site
 223                                 '$from'                 => $msg['from-name'],                                   // name of the person sending the message
 224                                 '$title'                => stripslashes($msg['title']),                 // subject of the message
 225                                 '$textversion'  => $msg['textversion'],                                 // text version of the message
 226                                 '$mimeboundary' => $msg['mimeboundary'],                                // mime message divider
 227                                 '$hostname'             => $a->get_hostname()                                   // name of this host
 228                         ));
 229
 230                         // use the EmailNotification library to send the message
 231                         require_once("include/EmailNotification.php");
 232                         EmailNotification::sendTextHtmlEmail(
 233                                 $msg['notificationfromname'],
 234                                 $msg['notificationfromemail'],
 235                                 $msg['notificationfromemail'],
 236                                 $importer['email'],
 237                                 t('New mail received at ') . $a->config['sitename'],
 238                                 $email_html_body_tpl,
 239                                 $email_text_body_tpl
 240                         );
 241                 }
 242                 xml_status(0);
 243                 // NOTREACHED
 244         }
 245
 246         logger('dfrn_notify: feed item count = ' . $feed->get_item_quantity());
 247
 248         // process any deleted entries
 249
 250         $del_entries = $feed->get_feed_tags(NAMESPACE_TOMB, 'deleted-entry');
 251         if(is_array($del_entries) && count($del_entries)) {
 252                 foreach($del_entries as $dentry) {
 253                         $deleted = false;
 254                         if(isset($dentry['attribs']['']['ref'])) {
 255                                 $uri = $dentry['attribs']['']['ref'];
 256                                 $deleted = true;
 257                                 if(isset($dentry['attribs']['']['when'])) {
 258                                         $when = $dentry['attribs']['']['when'];
 259                                         $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
 260                                 }
 261                                 else
 262                                         $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
 263                         }
 264                         if($deleted) {
 265                                 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 266                                         dbesc($uri),
 267                                         intval($importer['importer_uid'])
 268                                 );
 269                                 if(count($r)) {
 270                                         $item = $r[0];
 271
 272                                         if(! $item['deleted'])
 273                                                 logger('dfrn_notify: deleting item ' . $item['id'] . ' uri=' . $item['uri'], LOGGER_DEBUG);
 274
 275                                         if($item['uri'] == $item['parent-uri']) {
 276                                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s'
 277                                                         WHERE `parent-uri` = '%s' AND `uid` = %d",
 278                                                         dbesc($when),
 279                                                         dbesc(datetime_convert()),
 280                                                         dbesc($item['uri']),
 281                                                         intval($importer['importer_uid'])
 282                                                 );
 283                                         }
 284                                         else {
 285                                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s'
 286                                                         WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 287                                                         dbesc($when),
 288                                                         dbesc(datetime_convert()),
 289                                                         dbesc($uri),
 290                                                         intval($importer['importer_uid'])
 291                                                 );
 292                                                 if($item['last-child']) {
 293                                                         // ensure that last-child is set in case the comment that had it just got wiped.
 294                                                         q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
 295                                                                 dbesc(datetime_convert()),
 296                                                                 dbesc($item['parent-uri']),
 297                                                                 intval($item['uid'])
 298                                                         );
 299                                                         // who is the last child now?
 300                                                         $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d
 301                                                                 ORDER BY `created` DESC LIMIT 1",
 302                                                                         dbesc($item['parent-uri']),
 303                                                                         intval($importer['importer_uid'])
 304                                                         );
 305                                                         if(count($r)) {
 306                                                                 q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
 307                                                                         intval($r[0]['id'])
 308                                                                 );
 309                                                         }
 310                                                 }
 311                                         }
 312                                 }
 313                         }
 314                 }
 315         }
 316
 317
 318         foreach($feed->get_items() as $item) {
 319
 320                 $is_reply = false;
 321                 $item_id = $item->get_id();
 322                 $rawthread = $item->get_item_tags( NAMESPACE_THREAD, 'in-reply-to');
 323                 if(isset($rawthread[0]['attribs']['']['ref'])) {
 324                         $is_reply = true;
 325                         $parent_uri = $rawthread[0]['attribs']['']['ref'];
 326                 }
 327
 328                 if($is_reply) {
 329                         if($feed->get_item_quantity() == 1) {
 330                                 logger('dfrn_notify: received remote comment');
 331                                 $is_like = false;
 332                                 // remote reply to our post. Import and then notify everybody else.
 333                                 $datarray = get_atom_elements($feed,$item);
 334                                 $datarray['type'] = 'remote-comment';
 335                                 $datarray['wall'] = 1;
 336                                 $datarray['parent-uri'] = $parent_uri;
 337                                 $datarray['uid'] = $importer['importer_uid'];
 338                                 $datarray['contact-id'] = $importer['id'];
 339                                 if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
 340                                         $is_like = true;
 341                                         $datarray['type'] = 'activity';
 342                                         $datarray['gravity'] = GRAVITY_LIKE;
 343                                         $datarray['last-child'] = 0;
 344                                 }
 345                                 $posted_id = item_store($datarray);
 346                                 $parent = 0;
 347
 348                                 if($posted_id) {
 349                                         $r = q("SELECT `parent` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 350                                                 intval($posted_id),
 351                                                 intval($importer['importer_uid'])
 352                                         );
 353                                         if(count($r))
 354                                                 $parent = $r[0]['parent'];
 355
 356                                         if(! $is_like) {
 357                                                 $r1 = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
 358                                                         dbesc(datetime_convert()),
 359                                                         intval($importer['importer_uid']),
 360                                                         intval($r[0]['parent'])
 361                                                 );
 362
 363                                                 $r2 = q("UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
 364                                                         dbesc(datetime_convert()),
 365                                                         intval($importer['importer_uid']),
 366                                                         intval($posted_id)
 367                                                 );
 368                                         }
 369
 370                                         if($posted_id && $parent) {
 371
 372                                                 proc_run('php',"include/notifier.php","comment-import","$posted_id");
 373
 374                                                 if((! $is_like) && ($importer['notify-flags'] & NOTIFY_COMMENT) && (! $importer['self'])) {
 375                                                         require_once('bbcode.php');
 376                                                         $from = stripslashes($datarray['author-name']);
 377                                                         /*
 378                                                         $tpl = load_view_file('view/cmnt_received_eml.tpl');
 379                                                         $email_tpl = replace_macros($tpl, array(
 380                                                                 '$sitename' => $a->config['sitename'],
 381                                                                 '$siteurl' =>  $a->get_baseurl(),
 382                                                                 '$username' => $importer['username'],
 383                                                                 '$email' => $importer['email'],
 384                                                                 '$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $posted_id,
 385                                                                 '$from' => $from,
 386                                                                 '$body' => html_entity_decode(strip_tags(bbcode(stripslashes($datarray['body']))), ENT_QUOTES, 'UTF-8')
 387                                                         ));
 388
 389                                                         $res = mail($importer['email'], $from . t(' commented on an item at ') . $a->config['sitename'],
 390                                                                 $email_tpl, "From: " . t('Administrator') . '@' . $a->get_hostname() );
 391                                                         */
 392                                                         // name of the automated email sender
 393                                                         $msg['notificationfromname']    = stripslashes($datarray['author-name']);;
 394                                                         // noreply address to send from
 395                                                         $msg['notificationfromemail']   = t('noreply') . '@' . $a->get_hostname();
 396
 397                                                         // text version
 398                                                         // process the message body to display properly in text mode
 399                                                         $msg['textversion']
 400                                                                 = html_entity_decode(strip_tags(bbcode(stripslashes($datarray['body']))), ENT_QUOTES, 'UTF-8');
 401
 402                                                         // html version
 403                                                         // process the message body to display properly in text mode
 404                                                         $msg['htmlversion']
 405                                                                 = html_entity_decode(bbcode(stripslashes(str_replace(array("\\r\\n", "\\r","\\n\\n" ,"\\n"), "<br />\n",$datarray['body']))));
 406
 407                                                         // load the template for private message notifications
 408                                                         $tpl = load_view_file('view/cmnt_received_html_body_eml.tpl');
 409                                                         $email_html_body_tpl = replace_macros($tpl,array(
 410                                                                 '$sitename'             => $a->config['sitename'],                              // name of this site
 411                                                                 '$siteurl'              => $a->get_baseurl(),                                   // descriptive url of this site
 412                                                                 '$thumb'                => $datarray['author-avatar'],                  // thumbnail url for sender icon
 413                                                                 '$email'                => $importer['email'],                                  // email address to send to
 414                                                                 '$url'                  => $datarray['author-link'],                    // full url for the site
 415                                                                 '$from'                 => $from,                                                               // name of the person sending the message
 416                                                                 '$body'                 => 'q1' .$msg['htmlversion'],                                   // html version of the message
 417                                                                 '$display'              => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $r,
 418                                                         ));
 419
 420                                                         // load the template for private message notifications
 421                                                         $tpl = load_view_file('view/cmnt_received_text_body_eml.tpl');
 422                                                         $email_text_body_tpl = replace_macros($tpl,array(
 423                                                                 '$sitename'             => $a->config['sitename'],                              // name of this site
 424                                                                 '$siteurl'              => $a->get_baseurl(),                                   // descriptive url of this site
 425                                                                 '$thumb'                => $datarray['author-avatar'],                  // thumbnail url for sender icon
 426                                                                 '$email'                => $importer['email'],                                  // email address to send to
 427                                                                 '$url'                  => $datarray['author-link'],                    // full url for the site
 428                                                                 '$from'                 => $from,                                                               // name of the person sending the message
 429                                                                 '$body'                 => $msg['textversion'],                                 // text version of the message
 430                                                                 '$display'              => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $r,
 431                                                         ));
 432
 433                                                         // use the EmailNotification library to send the message
 434                                                         require_once("include/EmailNotification.php");
 435                                                         EmailNotification::sendTextHtmlEmail(
 436                                                                 $msg['notificationfromname'],
 437                                                                 t("Administrator@") . $a->get_hostname(),
 438                                                                 t("noreply") . '@' . $a->get_hostname(),
 439                                                                 $importer['email'],
 440                                                                 $from . t(" commented on an item at ") . $a->config['sitename'],
 441                                                                 $email_html_body_tpl,
 442                                                                 $email_text_body_tpl
 443                                                         );
 444
 445                                                 }
 446                                         }
 447                                         xml_status(0);
 448                                         // NOTREACHED
 449                                 }
 450                         }
 451                         else {
 452
 453                                 // regular comment that is part of this total conversation. Have we seen it? If not, import it.
 454
 455                                 $item_id  = $item->get_id();
 456                                 $datarray = get_atom_elements($feed,$item);
 457
 458                                 $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 459                                         dbesc($item_id),
 460                                         intval($importer['importer_uid'])
 461                                 );
 462
 463                                 // Update content if 'updated' changes
 464
 465                                 if(count($r)) {
 466                                         if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) {
 467                                                 $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 468                                                         dbesc($datarray['body']),
 469                                                         dbesc(datetime_convert('UTC','UTC',$datarray['edited'])),
 470                                                         dbesc($item_id),
 471                                                         intval($importer['importer_uid'])
 472                                                 );
 473                                         }
 474
 475                                         // update last-child if it changes
 476
 477                                         $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
 478                                         if(($allow) && ($allow[0]['data'] != $r[0]['last-child'])) {
 479                                                 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d",
 480                                                         dbesc(datetime_convert()),
 481                                                         dbesc($parent_uri),
 482                                                         intval($importer['importer_uid'])
 483                                                 );
 484                                                 $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s'  WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 485                                                         intval($allow[0]['data']),
 486                                                         dbesc(datetime_convert()),
 487                                                         dbesc($item_id),
 488                                                         intval($importer['importer_uid'])
 489                                                 );
 490                                         }
 491                                         continue;
 492                                 }
 493
 494                                 $datarray['parent-uri'] = $parent_uri;
 495                                 $datarray['uid'] = $importer['importer_uid'];
 496                                 $datarray['contact-id'] = $importer['id'];
 497                                 if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
 498                                         $datarray['type'] = 'activity';
 499                                         $datarray['gravity'] = GRAVITY_LIKE;
 500                                 }
 501                                 $r = item_store($datarray);
 502
 503                                 // find out if our user is involved in this conversation and wants to be notified.
 504
 505                                 if(($datarray['type'] != 'activity') && ($importer['notify-flags'] & NOTIFY_COMMENT)) {
 506
 507                                         $myconv = q("SELECT `author-link`, `author-avatar` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 ",
 508                                                 dbesc($parent_uri),
 509                                                 intval($importer['importer_uid'])
 510                                         );
 511                                         if(count($myconv)) {
 512                                                 $importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
 513                                                 foreach($myconv as $conv) {
 514                                                         if(! link_compare($conv['author-link'],$importer_url))
 515                                                                 continue;
 516                                                         require_once('bbcode.php');
 517                                                         $from = stripslashes($datarray['author-name']);
 518                                                         /*
 519                                                         $tpl = load_view_file('view/cmnt_received_eml.tpl');
 520                                                         $email_tpl = replace_macros($tpl, array(
 521                                                                 '$sitename' => $a->config['sitename'],
 522                                                                 '$siteurl' =>  $a->get_baseurl(),
 523                                                                 '$username' => $importer['username'],
 524                                                                 '$email' => $importer['email'],
 525                                                                 '$from' => $from,
 526                                                                 '$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $r,
 527                                                                 '$body' => html_entity_decode(strip_tags(bbcode(stripslashes($datarray['body']))), ENT_QUOTES, 'UTF-8')
 528                                                         ));
 529
 530                                                         $res = mail($importer['email'], $from . t(" commented on an item at ")
 531                                                                 . $a->config['sitename'],
 532                                                                 $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 533                                                         */
 534
 535
 536
 537                                                         // name of the automated email sender
 538                                                         $msg['notificationfromname']    = stripslashes($datarray['author-name']);;
 539                                                         // noreply address to send from
 540                                                         $msg['notificationfromemail']   = t('noreply') . '@' . $a->get_hostname();
 541
 542                                                         // text version
 543                                                         // process the message body to display properly in text mode
 544                                                         $msg['textversion']
 545                                                                 = html_entity_decode(strip_tags(bbcode(stripslashes($datarray['body']))), ENT_QUOTES, 'UTF-8');
 546
 547                                                         // html version
 548                                                         // process the message body to display properly in text mode
 549                                                         $msg['htmlversion']
 550                                                                 = html_entity_decode(bbcode(stripslashes(str_replace(array("\\r\\n", "\\r","\\n\\n" ,"\\n"), "<br />\n",$datarray['body']))));
 551
 552                                                         // load the template for private message notifications
 553                                                         $tpl = load_view_file('view/cmnt_received_html_body_eml.tpl');
 554                                                         $email_html_body_tpl = replace_macros($tpl,array(
 555                                                                 '$sitename'             => $a->config['sitename'],                              // name of this site
 556                                                                 '$siteurl'              => $a->get_baseurl(),                                   // descriptive url of this site
 557                                                                 '$thumb'                => $conv['author-avatar'],                              // thumbnail url for sender icon
 558                                                                 '$url'                  => $conv['author-link'],                                // full url for the site
 559                                                                 '$from'                 => $from,                                                               // name of the person sending the message
 560                                                                 '$body'                 => $msg['htmlversion'],                                 // html version of the message
 561                                                                 '$display'              => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $r,
 562                                                         ));
 563
 564                                                         // load the template for private message notifications
 565                                                         $tpl = load_view_file('view/cmnt_received_text_body_eml.tpl');
 566                                                         $email_text_body_tpl = replace_macros($tpl,array(
 567                                                                 '$sitename'             => $a->config['sitename'],                              // name of this site
 568                                                                 '$siteurl'              => $a->get_baseurl(),                                   // descriptive url of this site
 569                                                                 '$thumb'                => $conv['author-avatar'],                              // thumbnail url for sender icon
 570                                                                 '$url'                  => $conv['author-link'],                                // full url for the site
 571                                                                 '$from'                 => $from,                                                               // name of the person sending the message
 572                                                                 '$body'                 => $msg['textversion'],                                 // text version of the message
 573                                                                 '$display'              => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $r,
 574                                                         ));
 575
 576                                                         // use the EmailNotification library to send the message
 577                                                         require_once("include/EmailNotification.php");
 578                                                         EmailNotification::sendTextHtmlEmail(
 579                                                                 $msg['notificationfromname'],
 580                                                                 t("Administrator@") . $a->get_hostname(),
 581                                                                 t("noreply") . '@' . $a->get_hostname(),
 582                                                                 $importer['email'],
 583                                                                 $from . t(" commented on an item at ") . $a->config['sitename'],
 584                                                                 $email_html_body_tpl,
 585                                                                 $email_text_body_tpl
 586                                                         );
 587
 588                                                         break;
 589                                                 }
 590                                         }
 591                                 }
 592                                 continue;
 593                         }
 594                 }
 595
 596                 else {
 597
 598                         // Head post of a conversation. Have we seen it? If not, import it.
 599
 600
 601                         $item_id  = $item->get_id();
 602                         $datarray = get_atom_elements($feed,$item);
 603
 604                         $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 605                                 dbesc($item_id),
 606                                 intval($importer['importer_uid'])
 607                         );
 608
 609                         // Update content if 'updated' changes
 610
 611                         if(count($r)) {
 612                                 if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) {
 613                                         $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 614                                                 dbesc($datarray['body']),
 615                                                 dbesc(datetime_convert('UTC','UTC',$datarray['edited'])),
 616                                                 dbesc($item_id),
 617                                                 intval($importer['importer_uid'])
 618                                         );
 619                                 }
 620
 621                                 // update last-child if it changes
 622
 623                                 $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
 624                                 if($allow && $allow[0]['data'] != $r[0]['last-child']) {
 625                                         $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 626                                                 intval($allow[0]['data']),
 627                                                 dbesc(datetime_convert()),
 628                                                 dbesc($item_id),
 629                                                 intval($importer['importer_uid'])
 630                                         );
 631                                 }
 632                                 continue;
 633                         }
 634
 635                         $datarray['parent-uri'] = $item_id;
 636                         $datarray['uid'] = $importer['importer_uid'];
 637                         $datarray['contact-id'] = $importer['id'];
 638                         $r = item_store($datarray);
 639                         continue;
 640                 }
 641         }
 642
 643         xml_status(0);
 644         // NOTREACHED
 645
 646 }
 647
 648
 649 function dfrn_notify_content(&$a) {
 650
 651         if(x($_GET,'dfrn_id')) {
 652
 653                 // initial communication from external contact, $direction is their direction.
 654                 // If this is a duplex communication, ours will be the opposite.
 655
 656                 $dfrn_id = notags(trim($_GET['dfrn_id']));
 657                 $dfrn_version = (float) $_GET['dfrn_version'];
 658
 659                 logger('dfrn_notify: new notification dfrn_id=' . $dfrn_id);
 660
 661                 $direction = (-1);
 662                 if(strpos($dfrn_id,':') == 1) {
 663                         $direction = intval(substr($dfrn_id,0,1));
 664                         $dfrn_id = substr($dfrn_id,2);
 665                 }
 666
 667                 $hash = random_string();
 668
 669                 $status = 0;
 670
 671                 $r = q("DELETE FROM `challenge` WHERE `expire` < " . intval(time()));
 672
 673                 $r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` )
 674                         VALUES( '%s', '%s', %d ) ",
 675                         dbesc($hash),
 676                         dbesc($dfrn_id),
 677                         intval(time() + 90 )
 678                 );
 679
 680                 logger('dfrn_notify: challenge=' . $hash );
 681
 682                 $sql_extra = '';
 683                 switch($direction) {
 684                         case (-1):
 685                                 $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
 686                                 $my_id = $dfrn_id;
 687                                 break;
 688                         case 0:
 689                                 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
 690                                 $my_id = '1:' . $dfrn_id;
 691                                 break;
 692                         case 1:
 693                                 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
 694                                 $my_id = '0:' . $dfrn_id;
 695                                 break;
 696                         default:
 697                                 $status = 1;
 698                                 break; // NOTREACHED
 699                 }
 700
 701                 $r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 702                                 WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
 703                                 dbesc($a->argv[1])
 704                 );
 705
 706                 if(! count($r))
 707                         $status = 1;
 708
 709                 $challenge = '';
 710                 $encrypted_id = '';
 711                 $id_str = $my_id . '.' . mt_rand(1000,9999);
 712
 713                 if((($r[0]['duplex']) && strlen($r[0]['prvkey'])) || (! strlen($r[0]['pubkey']))) {
 714                         openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']);
 715                         openssl_private_encrypt($id_str,$encrypted_id,$r[0]['prvkey']);
 716                 }
 717                 else {
 718                         openssl_public_encrypt($hash,$challenge,$r[0]['pubkey']);
 719                         openssl_public_encrypt($id_str,$encrypted_id,$r[0]['pubkey']);
 720                 }
 721
 722                 $challenge    = bin2hex($challenge);
 723                 $encrypted_id = bin2hex($encrypted_id);
 724
 725                 $rino = ((function_exists('mcrypt_encrypt')) ? 1 : 0);
 726
 727                 $rino_enable = get_config('system','rino_encrypt');
 728
 729                 if(! $rino_enable)
 730                         $rino = 0;
 731
 732
 733                 header("Content-type: text/xml");
 734
 735                 echo '<?xml version="1.0" encoding="UTF-8"?>' . "\r\n"
 736                         . '<dfrn_notify>' . "\r\n"
 737                         . "\t" . '<status>' . $status . '</status>' . "\r\n"
 738                         . "\t" . '<dfrn_version>' . DFRN_PROTOCOL_VERSION . '</dfrn_version>' . "\r\n"
 739                         . "\t" . '<rino>' . $rino . '</rino>' . "\r\n"
 740                         . "\t" . '<dfrn_id>' . $encrypted_id . '</dfrn_id>' . "\r\n"
 741                         . "\t" . '<challenge>' . $challenge . '</challenge>' . "\r\n"
 742                         . '</dfrn_notify>' . "\r\n" ;
 743
 744                 killme();
 745         }
 746
 747 }