mod/dfrn_request.php

   1 <?php
   2
   3 /**
   4  *
   5  * Module: dfrn_request
   6  *
   7  * Purpose: Handles communication associated with the issuance of
   8  * friend requests.
   9  *
  10  */
  11
  12 if(! function_exists('dfrn_request_init')) {
  13 function dfrn_request_init(&$a) {
  14
  15         if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
  16                 return;
  17         }
  18
  19         if($a->argc > 1)
  20                 $which = $a->argv[1];
  21
  22         profile_load($a,$which);
  23         return;
  24 }}
  25
  26
  27 /**
  28  * Function: dfrn_request_post
  29  *
  30  * Purpose:
  31  * Handles multiple scenarios.
  32  *
  33  * Scenario 1:
  34  * Clicking 'submit' on a friend request page.
  35  *
  36  * Scenario 2:
  37  * Following Scenario 1, we are brought back to our home site
  38  * in order to link our friend request with our own server cell.
  39  * After logging in, we click 'submit' to approve the linkage.
  40  *
  41  */
  42
  43 if(! function_exists('dfrn_request_post')) {
  44 function dfrn_request_post(&$a) {
  45
  46         if(($a->argc != 2) || (! count($a->profile)))
  47                 return;
  48
  49
  50         if($_POST['cancel']) {
  51                 goaway($a->get_baseurl());
  52         }
  53
  54
  55         /**
  56          *
  57          * Scenario 2: We've introduced ourself to another cell, then have been returned to our own cell
  58          * to confirm the request, and then we've clicked submit (perhaps after logging in).
  59          * That brings us here:
  60          *
  61          */
  62
  63         if((x($_POST,'localconfirm')) && ($_POST['localconfirm'] == 1)) {
  64
  65                 /**
  66                  * Ensure this is a valid request
  67                  */
  68
  69                 if(local_user() && ($a->user['nickname'] == $a->argv[1]) && (x($_POST,'dfrn_url'))) {
  70
  71
  72                         $dfrn_url    = notags(trim($_POST['dfrn_url']));
  73                         $aes_allow   = (((x($_POST,'aes_allow')) && ($_POST['aes_allow'] == 1)) ? 1 : 0);
  74                         $confirm_key = ((x($_POST,'confirm_key')) ? $_POST['confirm_key'] : "");
  75
  76                         $contact_record = null;
  77
  78                         if(x($dfrn_url)) {
  79
  80                                 /**
  81                                  * Lookup the contact based on their URL (which is the only unique thing we have at the moment)
  82                                  */
  83
  84                                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `self` = 0 LIMIT 1",
  85                                         intval(local_user()),
  86                                         dbesc($dfrn_url)
  87                                 );
  88
  89                                 if(count($r)) {
  90                                         if(strlen($r[0]['dfrn-id'])) {
  91
  92                                                 /**
  93                                                  * We don't need to be here. It has already happened.
  94                                                  */
  95
  96                                                 notice( t("This introduction has already been accepted.") . EOL );
  97                                                 return;
  98                                         }
  99                                         else
 100                                                 $contact_record = $r[0];
 101                                 }
 102
 103                                 if(is_array($contact_record)) {
 104                                         $r = q("UPDATE `contact` SET `ret-aes` = %d WHERE `id` = %d LIMIT 1",
 105                                                 intval($aes_allow),
 106                                                 intval($contact_record['id'])
 107                                         );
 108                                 }
 109                                 else {
 110
 111                                         /**
 112                                          * Scrape the other site's profile page to pick up the dfrn links, key, fn, and photo
 113                                          */
 114
 115                                         require_once('Scrape.php');
 116
 117                                         $parms = scrape_dfrn($dfrn_url);
 118
 119                                         if(! count($parms)) {
 120                                                 notice( t('Profile location is not valid or does not contain profile information.') . EOL );
 121                                                 return;
 122                                         }
 123                                         else {
 124                                                 if(! x($parms,'fn'))
 125                                                         notice( t('Warning: profile location has no identifiable owner name.') . EOL );
 126                                                 if(! x($parms,'photo'))
 127                                                         notice( t('Warning: profile location has no profile photo.') . EOL );
 128                                                 $invalid = validate_dfrn($parms);
 129                                                 if($invalid) {
 130                                                         notice( sprintf( tt("%d required parameter was not found at the given location",
 131                                                                                                 "%d required parameters were not found at the given location",
 132                                                                                                 $invalid), $invalid) . EOL );
 133                                                         return;
 134                                                 }
 135                                         }
 136
 137                                         $dfrn_request = $parms['dfrn-request'];
 138
 139                     /********* Escape the entire array ********/
 140
 141                                         dbesc_array($parms);
 142
 143                                         /******************************************/
 144
 145                                         /**
 146                                          * Create a contact record on our site for the other person
 147                                          */
 148
 149                                         $r = q("INSERT INTO `contact` ( `uid`, `created`,`url`, `name`, `nick`, `photo`, `site-pubkey`,
 150                                                 `request`, `confirm`, `notify`, `poll`, `aes_allow`)
 151                                                 VALUES ( %d, '%s', '%s', '%s' , '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d)",
 152                                                 intval(local_user()),
 153                                                 datetime_convert(),
 154                                                 dbesc($dfrn_url),
 155                                                 $parms['fn'],
 156                                                 $parms['nick'],
 157                                                 $parms['photo'],
 158                                                 $parms['key'],
 159                                                 $parms['dfrn-request'],
 160                                                 $parms['dfrn-confirm'],
 161                                                 $parms['dfrn-notify'],
 162                                                 $parms['dfrn-poll'],
 163                                                 intval($aes_allow)
 164                                         );
 165                                 }
 166
 167                                 if($r) {
 168                                         info( t("Introduction complete.") . EOL);
 169                                 }
 170
 171                                 /**
 172                                  * Allow the blocked remote notification to complete
 173                                  */
 174
 175                                 if(is_array($contact_record))
 176                                         $dfrn_request = $contact_record['request'];
 177
 178                                 if(strlen($dfrn_request) && strlen($confirm_key))
 179                                         $s = fetch_url($dfrn_request . '?confirm_key=' . $confirm_key);
 180
 181                                 // (ignore reply, nothing we can do it failed)
 182
 183                                 goaway($dfrn_url);
 184                                 return; // NOTREACHED
 185
 186                         }
 187
 188                 }
 189
 190                 // invalid/bogus request
 191
 192                 notice( t('Unrecoverable protocol error.') . EOL );
 193                 goaway($a->get_baseurl());
 194                 return; // NOTREACHED
 195         }
 196
 197         /**
 198          * Otherwise:
 199          *
 200          * Scenario 1:
 201          * We are the requestee. A person from a remote cell has made an introduction
 202          * on our profile web page and clicked submit. We will use their DFRN-URL to
 203          * figure out how to contact their cell.
 204          *
 205          * Scrape the originating DFRN-URL for everything we need. Create a contact record
 206          * and an introduction to show our user next time he/she logs in.
 207          * Finally redirect back to the requestor so that their site can record the request.
 208          * If our user (the requestee) later confirms this request, a record of it will need
 209          * to exist on the requestor's cell in order for the confirmation process to complete..
 210          *
 211          * It's possible that neither the requestor or the requestee are logged in at the moment,
 212          * and the requestor does not yet have any credentials to the requestee profile.
 213          *
 214          * Who is the requestee? We've already loaded their profile which means their nickname should be
 215          * in $a->argv[1] and we should have their complete info in $a->profile.
 216          *
 217          */
 218
 219         if(! (is_array($a->profile) && count($a->profile))) {
 220                 notice( t('Profile unavailable.') . EOL);
 221                 return;
 222         }
 223
 224         $nickname       = $a->profile['nickname'];
 225         $notify_flags   = $a->profile['notify-flags'];
 226         $uid            = $a->profile['uid'];
 227         $maxreq         = intval($a->profile['maxreq']);
 228         $contact_record = null;
 229         $failed         = false;
 230         $parms          = null;
 231
 232
 233         if( x($_POST,'dfrn_url')) {
 234
 235                 /**
 236                  * Block friend request spam
 237                  */
 238
 239                 if($maxreq) {
 240                         $r = q("SELECT * FROM `intro` WHERE `datetime` > '%s' AND `uid` = %d",
 241                                 dbesc(datetime_convert('UTC','UTC','now - 24 hours')),
 242                                 intval($uid)
 243                         );
 244                         if(count($r) > $maxreq) {
 245                                 notice( sprintf( t('%s has received too many connection requests today.'),  $a->profile['name']) . EOL);
 246                                 notice( t('Spam protection measures have been invoked.') . EOL);
 247                                 notice( t('Friends are advised to please try again in 24 hours.') . EOL);
 248                                 return;
 249                         }
 250                 }
 251
 252                 /**
 253                  *
 254                  * Cleanup old introductions that remain blocked.
 255                  * Also remove the contact record, but only if there is no existing relationship
 256                  *
 257                  */
 258
 259                 $r = q("SELECT `intro`.*, `intro`.`id` AS `iid`, `contact`.`id` AS `cid`, `contact`.`rel`
 260                         FROM `intro` LEFT JOIN `contact` on `intro`.`contact-id` = `contact`.`id`
 261                         WHERE `intro`.`blocked` = 1 AND `contact`.`self` = 0 AND `intro`.`datetime` < UTC_TIMESTAMP() - INTERVAL 30 MINUTE ");
 262                 if(count($r)) {
 263                         foreach($r as $rr) {
 264                                 if(! $rr['rel']) {
 265                                         q("DELETE FROM `contact` WHERE `id` = %d LIMIT 1",
 266                                                 intval($rr['cid'])
 267                                         );
 268                                 }
 269                                 q("DELETE FROM `intro` WHERE `id` = %d LIMIT 1",
 270                                         intval($rr['iid'])
 271                                 );
 272                         }
 273                 }
 274
 275                 $url = trim($_POST['dfrn_url']);
 276                 if(! strlen($url)) {
 277                         notice( t("Invalid locator") . EOL );
 278                         return;
 279                 }
 280
 281                 // Canonicalise email-style profile locator
 282
 283                 $url = webfinger_dfrn($url);
 284
 285                 if(substr($url,0,5) === 'stat:') {
 286                         $network = 'stat';
 287                         $url = substr($url,5);
 288                 }
 289                 else {
 290                         $network = 'dfrn';
 291                 }
 292
 293                 logger('dfrn_request: url: ' . $url);
 294
 295                 if(! strlen($url)) {
 296                         notice( t("Unable to resolve your name at the provided location.") . EOL);
 297                         return;
 298                 }
 299
 300
 301                 if($network === 'dfrn') {
 302                         $ret = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `self` = 0 LIMIT 1",
 303                                 intval($uid),
 304                                 dbesc($url)
 305                         );
 306
 307                         if(count($ret)) {
 308                                 if(strlen($ret[0]['issued-id'])) {
 309                                         notice( t('You have already introduced yourself here.') . EOL );
 310                                         return;
 311                                 }
 312                                 elseif($ret[0]['rel'] == REL_BUD) {
 313                                         notice( sprintf( t('Apparently you are already friends with %s.'), $a->profile['name']) . EOL);
 314                                         return;
 315                                 }
 316                                 else {
 317                                         $contact_record = $ret[0];
 318                                         $parms = array('dfrn-request' => $ret[0]['request']);
 319                                 }
 320                         }
 321
 322                         $issued_id = random_string();
 323
 324                         if(is_array($contact_record)) {
 325                                 // There is a contact record but no issued-id, so this
 326                                 // is a reciprocal introduction from a known contact
 327                                 $r = q("UPDATE `contact` SET `issued-id` = '%s' WHERE `id` = %d LIMIT 1",
 328                                         dbesc($issued_id),
 329                                         intval($contact_record['id'])
 330                                 );
 331                         }
 332                         else {
 333                                 if(! validate_url($url)) {
 334                                         notice( t('Invalid profile URL.') . EOL);
 335                                         goaway($a->get_baseurl() . '/' . $a->cmd);
 336                                         return; // NOTREACHED
 337                                 }
 338
 339                                 if(! allowed_url($url)) {
 340                                         notice( t('Disallowed profile URL.') . EOL);
 341                                         goaway($a->get_baseurl() . '/' . $a->cmd);
 342                                         return; // NOTREACHED
 343                                 }
 344
 345
 346                                 require_once('Scrape.php');
 347
 348                                 $parms = scrape_dfrn($url);
 349
 350                                 if(! count($parms)) {
 351                                         notice( t('Profile location is not valid or does not contain profile information.') . EOL );
 352                                         goaway($a->get_baseurl() . '/' . $a->cmd);
 353                                 }
 354                                 else {
 355                                         if(! x($parms,'fn'))
 356                                                 notice( t('Warning: profile location has no identifiable owner name.') . EOL );
 357                                         if(! x($parms,'photo'))
 358                                                 notice( t('Warning: profile location has no profile photo.') . EOL );
 359                                         $invalid = validate_dfrn($parms);
 360                                         if($invalid) {
 361                                                 notice( sprintf( tt("%d required parameter was not found at the given location",
 362                                                                                         "%d required parameters were not found at the given location",
 363                                                                                         $invalid), $invalid) . EOL );
 364
 365                                                 return;
 366                                         }
 367                                 }
 368
 369
 370                                 $parms['url'] = $url;
 371                                 $parms['issued-id'] = $issued_id;
 372
 373
 374                                 dbesc_array($parms);
 375                                 $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `name`, `nick`, `issued-id`, `photo`, `site-pubkey`,
 376                                         `request`, `confirm`, `notify`, `poll` )
 377                                         VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' )",
 378                                         intval($uid),
 379                                         datetime_convert(),
 380                                         $parms['url'],
 381                                         $parms['fn'],
 382                                         $parms['nick'],
 383                                         $parms['issued-id'],
 384                                         $parms['photo'],
 385                                         $parms['key'],
 386                                         $parms['dfrn-request'],
 387                                         $parms['dfrn-confirm'],
 388                                         $parms['dfrn-notify'],
 389                                         $parms['dfrn-poll']
 390                                 );
 391
 392                                 // find the contact record we just created
 393                                 if($r) {
 394                                         $r = q("SELECT `id` FROM `contact`
 395                                                 WHERE `uid` = %d AND `url` = '%s' AND `issued-id` = '%s' LIMIT 1",
 396                                                 intval($uid),
 397                                                 $parms['url'],
 398                                                 $parms['issued-id']
 399                                         );
 400                                         if(count($r))
 401                                                 $contact_record = $r[0];
 402                                 }
 403
 404                         }
 405                         if($r === false) {
 406                                 notice( t('Failed to update contact record.') . EOL );
 407                                 return;
 408                         }
 409
 410                         $hash = random_string() . (string) time();   // Generate a confirm_key
 411
 412                         if(is_array($contact_record)) {
 413                                 $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime`)
 414                                         VALUES ( %d, %d, 1, %d, '%s', '%s', '%s' )",
 415                                         intval($uid),
 416                                         intval($contact_record['id']),
 417                                         ((x($_POST,'knowyou') && ($_POST['knowyou'] == 1)) ? 1 : 0),
 418                                         dbesc(notags(trim($_POST['dfrn-request-message']))),
 419                                         dbesc($hash),
 420                                         dbesc(datetime_convert())
 421                                 );
 422                         }
 423
 424                         // This notice will only be seen by the requestor if the requestor and requestee are on the same server.
 425
 426                         if(! $failed)
 427                                 info( t('Your introduction has been sent.') . EOL );
 428
 429                         // "Homecoming" - send the requestor back to their site to record the introduction.
 430
 431                         $dfrn_url = bin2hex($a->get_baseurl() . '/profile/' . $nickname);
 432                         $aes_allow = ((function_exists('openssl_encrypt')) ? 1 : 0);
 433
 434                         goaway($parms['dfrn-request'] . "?dfrn_url=$dfrn_url"
 435                                 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 436                                 . '&confirm_key='  . $hash
 437                                 . (($aes_allow) ? "&aes_allow=1" : "")
 438                         );
 439                         // NOTREACHED
 440                         // END $network === 'dfrn'
 441                 }
 442                 elseif($network === 'stat') {
 443
 444                         /**
 445                          *
 446                          * OStatus network
 447                          * Check contact existence
 448                          * Try and scrape together enough information to create a contact record, with us as REL_VIP
 449                          * Substitute our user's feed URL into $url template
 450                          * Send the subscriber home to subscribe
 451                          *
 452                          */
 453
 454                         $url = str_replace('{uri}', $a->get_baseurl() . '/dfrn_poll/' . $nickname, $url);
 455                         goaway($url);
 456                         // NOTREACHED
 457                         // END $network === 'stat'
 458                 }
 459
 460         }       return;
 461 }}
 462
 463
 464
 465
 466 if(! function_exists('dfrn_request_content')) {
 467 function dfrn_request_content(&$a) {
 468
 469
 470
 471         if(($a->argc != 2) || (! count($a->profile)))
 472                 return "";
 473
 474
 475         // "Homecoming". Make sure we're logged in to this site as the correct user. Then offer a confirm button
 476         // to send us to the post section to record the introduction.
 477
 478         if(x($_GET,'dfrn_url')) {
 479
 480                 if(! local_user()) {
 481                         info( t("Please login to confirm introduction.") . EOL );
 482
 483                         /* setup the return URL to come back to this page if they use openid */
 484
 485                         $stripped = str_replace('q=','',$a->query_string);
 486                         $_SESSION['return_url'] = trim($stripped,'/');
 487
 488                         return login();
 489                 }
 490
 491                 // Edge case, but can easily happen in the wild. This person is authenticated,
 492                 // but not as the person who needs to deal with this request.
 493
 494                 if ($a->user['nickname'] != $a->argv[1]) {
 495                         notice( t("Incorrect identity currently logged in. Please login to <strong>this</strong> profile.") . EOL);
 496                         return login();
 497                 }
 498
 499                 $dfrn_url = notags(trim(hex2bin($_GET['dfrn_url'])));
 500                 $aes_allow = (((x($_GET,'aes_allow')) && ($_GET['aes_allow'] == 1)) ? 1 : 0);
 501                 $confirm_key = (x($_GET,'confirm_key') ? $_GET['confirm_key'] : "");
 502                 $tpl = get_markup_template("dfrn_req_confirm.tpl");
 503                 $o  = replace_macros($tpl,array(
 504                         '$dfrn_url' => $dfrn_url,
 505                         '$aes_allow' => (($aes_allow) ? '<input type="hidden" name="aes_allow" value="1" />' : "" ),
 506                         '$confirm_key' => $confirm_key,
 507                         '$welcome' => sprintf( t('Welcome home %s.'), $a->user['username']),
 508                         '$please' => sprintf( t('Please confirm your introduction/connection request to %s.'), $dfrn_url),
 509                         '$submit' => t('Confirm'),
 510                         '$uid' => $_SESSION['uid'],
 511                         '$nickname' => $a->user['nickname'],
 512                         'dfrn_rawurl' => $_GET['dfrn_url']
 513                         ));
 514                 return $o;
 515
 516         }
 517         elseif((x($_GET,'confirm_key')) && strlen($_GET['confirm_key'])) {
 518
 519                 // we are the requestee and it is now safe to send our user their introduction,
 520                 // We could just unblock it, but first we have to jump through a few hoops to
 521                 // send an email, or even to find out if we need to send an email.
 522
 523                 $intro = q("SELECT * FROM `intro` WHERE `hash` = '%s' LIMIT 1",
 524                         dbesc($_GET['confirm_key'])
 525                 );
 526
 527                 if(count($intro)) {
 528
 529                         $r = q("SELECT `contact`.*, `user`.* FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
 530                                 WHERE `contact`.`id` = %d LIMIT 1",
 531                                 intval($intro[0]['contact-id'])
 532                         );
 533
 534                         $auto_confirm = false;
 535
 536                         if(count($r)) {
 537                                 if($r[0]['page-flags'] != PAGE_NORMAL)
 538                                         $auto_confirm = true;
 539                                 if(($r[0]['notify-flags'] & NOTIFY_INTRO) && (! $auto_confirm)) {
 540                                         $email_tpl = get_intltext_template('request_notify_eml.tpl');
 541                                         $email = replace_macros($email_tpl, array(
 542                                                 '$requestor' => ((strlen(stripslashes($r[0]['name']))) ? stripslashes($r[0]['name']) : t('[Name Withheld]')),
 543                                                 '$url' => stripslashes($r[0]['url']),
 544                                                 '$myname' => $r[0]['username'],
 545                                                 '$siteurl' => $a->get_baseurl(),
 546                                                 '$sitename' => $a->config['sitename']
 547                                         ));
 548                                         $res = mail($r[0]['email'],
 549                                             t("Introduction received at ") . $a->config['sitename'],
 550                                                 $email,
 551                                                 'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 552                                                 . 'Content-type: text/plain; charset=UTF-8' . "\n"
 553                                                 . 'Content-transfer-encoding: 8bit' );
 554
 555                                         // This is a redundant notification - no point throwing errors if it fails.
 556                                 }
 557                                 if($auto_confirm) {
 558                                         require_once('mod/dfrn_confirm.php');
 559                                         $handsfree = array(
 560                                                 'uid' => $r[0]['uid'],
 561                                                 'node' => $r[0]['nickname'],
 562                                                 'dfrn_id' => $r[0]['issued-id'],
 563                                                 'intro_id' => $intro[0]['id'],
 564                                                 'duplex' => (($r[0]['page-flags'] == PAGE_FREELOVE) ? 1 : 0)
 565                                         );
 566                                         dfrn_confirm_post($a,$handsfree);
 567                                 }
 568
 569                         }
 570
 571                         if(! $auto_confirm) {
 572
 573                                 // If we are auto_confirming, this record will have already been nuked
 574                                 // in dfrn_confirm_post()
 575
 576                                 $r = q("UPDATE `intro` SET `blocked` = 0 WHERE `hash` = '%s' LIMIT 1",
 577                                         dbesc($_GET['confirm_key'])
 578                                 );
 579                         }
 580                 }
 581                 killme();
 582                 return; // NOTREACHED
 583         }
 584         else {
 585
 586                 /**
 587                  * Normal web request. Display our user's introduction form.
 588                  */
 589
 590                 if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
 591                         notice( t('Public access denied.') . EOL);
 592                         return;
 593                 }
 594
 595
 596                 /**
 597                  * Try to auto-fill the profile address
 598                  */
 599
 600                 if(local_user()) {
 601                         if(strlen($a->path)) {
 602                                 $myaddr = $a->get_baseurl() . '/profile/' . $a->user['nickname'];
 603                         }
 604                         else {
 605                                 $myaddr = $a->user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3 );
 606                         }
 607                 }
 608                 elseif(x($_GET,'addr')) {
 609                         $myaddr = hex2bin($_GET['addr']);
 610                 }
 611                 else {
 612                         /* $_GET variables are already urldecoded */
 613                         $myaddr = ((x($_GET,'address')) ? $_GET['address'] : '');
 614                 }
 615
 616                 /**
 617                  *
 618                  * The auto_request form only has the profile address
 619                  * because nobody is going to read the comments and
 620                  * it doesn't matter if they know you or not.
 621                  *
 622                  */
 623
 624                 if($a->profile['page-flags'] == PAGE_NORMAL)
 625                         $tpl = get_markup_template('dfrn_request.tpl');
 626                 else
 627                         $tpl = get_markup_template('auto_request.tpl');
 628
 629                 $o .= replace_macros($tpl,array(
 630                         '$header' => t('Friend/Connection Request'),
 631                         '$desc' => t('Examples: jojo@demo.friendika.com, http://demo.friendika.com/profile/jojo, testuser@identi.ca'),
 632                         '$pls_answer' => t('Please answer the following:'),
 633                         '$does_know' => t('Does $name know you?'),
 634                         '$yes' => t('Yes'),
 635                         '$no' => t('No'),
 636                         '$add_note' => t('Add a personal note:'),
 637                         '$page_desc' => t("Please enter your 'Identity Address' from one of the following supported social networks:"),
 638                         '$friendika' => t('Friendika'),
 639                         '$statusnet' => t('StatusNet/Federated Social Web'),
 640                         '$private_net' => t("Private \x28secure\x29 network"),
 641                         '$public_net' => t("Public \x28insecure\x29 network"),
 642                         '$your_address' => t('Your Identity Address:'),
 643                         '$submit' => t('Submit Request'),
 644                         '$cancel' => t('Cancel'),
 645                         '$nickname' => $a->argv[1],
 646                         '$name' => $a->profile['name'],
 647                         '$myaddr' => $myaddr
 648                 ));
 649                 return $o;
 650         }
 651
 652         return; // Somebody is fishing.
 653 }}