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(&$a) {
  14
  15         if($a->argc > 1)
  16                 $which = $a->argv[1];
  17
  18         profile_load($a,$which);
  19         return;
  20 }}
  21
  22
  23 /**
  24  * Function: dfrn_request_post
  25  *
  26  * Purpose:
  27  * Handles multiple scenarios.
  28  *
  29  * Scenario 1:
  30  * Clicking 'submit' on a friend request page.
  31  *
  32  * Scenario 2:
  33  * Following Scenario 1, we are brought back to our home site
  34  * in order to link our friend request with our own server cell.
  35  * After logging in, we click 'submit' to approve the linkage.
  36  *
  37  */
  38
  39 if(! function_exists('dfrn_request_post')) {
  40 function dfrn_request_post(&$a) {
  41
  42         if(($a->argc != 2) || (! count($a->profile)))
  43                 return;
  44
  45
  46         if(x($_POST, 'cancel')) {
  47                 goaway(z_root());
  48         }
  49
  50
  51         /**
  52          *
  53          * Scenario 2: We've introduced ourself to another cell, then have been returned to our own cell
  54          * to confirm the request, and then we've clicked submit (perhaps after logging in).
  55          * That brings us here:
  56          *
  57          */
  58
  59         if((x($_POST,'localconfirm')) && ($_POST['localconfirm'] == 1)) {
  60
  61                 /**
  62                  * Ensure this is a valid request
  63                  */
  64
  65                 if(local_user() && ($a->user['nickname'] == $a->argv[1]) && (x($_POST,'dfrn_url'))) {
  66
  67
  68                         $dfrn_url    = notags(trim($_POST['dfrn_url']));
  69                         $aes_allow   = (((x($_POST,'aes_allow')) && ($_POST['aes_allow'] == 1)) ? 1 : 0);
  70                         $confirm_key = ((x($_POST,'confirm_key')) ? $_POST['confirm_key'] : "");
  71
  72                         $contact_record = null;
  73
  74                         if(x($dfrn_url)) {
  75
  76                                 /**
  77                                  * Lookup the contact based on their URL (which is the only unique thing we have at the moment)
  78                                  */
  79
  80                                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `self` = 0 LIMIT 1",
  81                                         intval(local_user()),
  82                                         dbesc($dfrn_url)
  83                                 );
  84
  85                                 if(count($r)) {
  86                                         if(strlen($r[0]['dfrn-id'])) {
  87
  88                                                 /**
  89                                                  * We don't need to be here. It has already happened.
  90                                                  */
  91
  92                                                 notice( t("This introduction has already been accepted.") . EOL );
  93                                                 return;
  94                                         }
  95                                         else
  96                                                 $contact_record = $r[0];
  97                                 }
  98
  99                                 if(is_array($contact_record)) {
 100                                         $r = q("UPDATE `contact` SET `ret-aes` = %d WHERE `id` = %d LIMIT 1",
 101                                                 intval($aes_allow),
 102                                                 intval($contact_record['id'])
 103                                         );
 104                                 }
 105                                 else {
 106
 107                                         /**
 108                                          * Scrape the other site's profile page to pick up the dfrn links, key, fn, and photo
 109                                          */
 110
 111                                         require_once('Scrape.php');
 112
 113                                         $parms = scrape_dfrn($dfrn_url);
 114
 115                                         if(! count($parms)) {
 116                                                 notice( t('Profile location is not valid or does not contain profile information.') . EOL );
 117                                                 return;
 118                                         }
 119                                         else {
 120                                                 if(! x($parms,'fn'))
 121                                                         notice( t('Warning: profile location has no identifiable owner name.') . EOL );
 122                                                 if(! x($parms,'photo'))
 123                                                         notice( t('Warning: profile location has no profile photo.') . EOL );
 124                                                 $invalid = validate_dfrn($parms);
 125                                                 if($invalid) {
 126                                                         notice( sprintf( tt("%d required parameter was not found at the given location",
 127                                                                                                 "%d required parameters were not found at the given location",
 128                                                                                                 $invalid), $invalid) . EOL );
 129                                                         return;
 130                                                 }
 131                                         }
 132
 133                                         $dfrn_request = $parms['dfrn-request'];
 134
 135                     /********* Escape the entire array ********/
 136
 137                                         dbesc_array($parms);
 138
 139                                         /******************************************/
 140
 141                                         /**
 142                                          * Create a contact record on our site for the other person
 143                                          */
 144
 145                                         $r = q("INSERT INTO `contact` ( `uid`, `created`,`url`, `nurl`, `name`, `nick`, `photo`, `site-pubkey`,
 146                                                 `request`, `confirm`, `notify`, `poll`, `poco`, `network`, `aes_allow`)
 147                                                 VALUES ( %d, '%s', '%s', '%s', '%s' , '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d)",
 148                                                 intval(local_user()),
 149                                                 datetime_convert(),
 150                                                 dbesc($dfrn_url),
 151                                                 dbesc(normalise_link($dfrn_url)),
 152                                                 $parms['fn'],
 153                                                 $parms['nick'],
 154                                                 $parms['photo'],
 155                                                 $parms['key'],
 156                                                 $parms['dfrn-request'],
 157                                                 $parms['dfrn-confirm'],
 158                                                 $parms['dfrn-notify'],
 159                                                 $parms['dfrn-poll'],
 160                                                 $parms['dfrn-poco'],
 161                                                 dbesc(NETWORK_DFRN),
 162                                                 intval($aes_allow)
 163                                         );
 164                                 }
 165
 166                                 if($r) {
 167                                         info( t("Introduction complete.") . EOL);
 168                                 }
 169
 170                                 /**
 171                                  * Allow the blocked remote notification to complete
 172                                  */
 173
 174                                 if(is_array($contact_record))
 175                                         $dfrn_request = $contact_record['request'];
 176
 177                                 if(strlen($dfrn_request) && strlen($confirm_key))
 178                                         $s = fetch_url($dfrn_request . '?confirm_key=' . $confirm_key);
 179
 180                                 // (ignore reply, nothing we can do it failed)
 181
 182                                 goaway($dfrn_url);
 183                                 return; // NOTREACHED
 184
 185                         }
 186
 187                 }
 188
 189                 // invalid/bogus request
 190
 191                 notice( t('Unrecoverable protocol error.') . EOL );
 192                 goaway(z_root());
 193                 return; // NOTREACHED
 194         }
 195
 196         /**
 197          * Otherwise:
 198          *
 199          * Scenario 1:
 200          * We are the requestee. A person from a remote cell has made an introduction
 201          * on our profile web page and clicked submit. We will use their DFRN-URL to
 202          * figure out how to contact their cell.
 203          *
 204          * Scrape the originating DFRN-URL for everything we need. Create a contact record
 205          * and an introduction to show our user next time he/she logs in.
 206          * Finally redirect back to the requestor so that their site can record the request.
 207          * If our user (the requestee) later confirms this request, a record of it will need
 208          * to exist on the requestor's cell in order for the confirmation process to complete..
 209          *
 210          * It's possible that neither the requestor or the requestee are logged in at the moment,
 211          * and the requestor does not yet have any credentials to the requestee profile.
 212          *
 213          * Who is the requestee? We've already loaded their profile which means their nickname should be
 214          * in $a->argv[1] and we should have their complete info in $a->profile.
 215          *
 216          */
 217
 218         if(! (is_array($a->profile) && count($a->profile))) {
 219                 notice( t('Profile unavailable.') . EOL);
 220                 return;
 221         }
 222
 223         $nickname       = $a->profile['nickname'];
 224         $notify_flags   = $a->profile['notify-flags'];
 225         $uid            = $a->profile['uid'];
 226         $maxreq         = intval($a->profile['maxreq']);
 227         $contact_record = null;
 228         $failed         = false;
 229         $parms          = null;
 230
 231
 232         if( x($_POST,'dfrn_url')) {
 233
 234                 /**
 235                  * Block friend request spam
 236                  */
 237
 238                 if($maxreq) {
 239                         $r = q("SELECT * FROM `intro` WHERE `datetime` > '%s' AND `uid` = %d",
 240                                 dbesc(datetime_convert('UTC','UTC','now - 24 hours')),
 241                                 intval($uid)
 242                         );
 243                         if(count($r) > $maxreq) {
 244                                 notice( sprintf( t('%s has received too many connection requests today.'),  $a->profile['name']) . EOL);
 245                                 notice( t('Spam protection measures have been invoked.') . EOL);
 246                                 notice( t('Friends are advised to please try again in 24 hours.') . EOL);
 247                                 return;
 248                         }
 249                 }
 250
 251                 /**
 252                  *
 253                  * Cleanup old introductions that remain blocked.
 254                  * Also remove the contact record, but only if there is no existing relationship
 255                  * Do not remove email contacts as these may be awaiting email verification
 256                  */
 257
 258                 $r = q("SELECT `intro`.*, `intro`.`id` AS `iid`, `contact`.`id` AS `cid`, `contact`.`rel`
 259                         FROM `intro` LEFT JOIN `contact` on `intro`.`contact-id` = `contact`.`id`
 260                         WHERE `intro`.`blocked` = 1 AND `contact`.`self` = 0
 261                         AND `contact`.`network` != '%s'
 262                         AND `intro`.`datetime` < UTC_TIMESTAMP() - INTERVAL 30 MINUTE ",
 263                         dbesc(NETWORK_MAIL)
 264                 );
 265                 if(count($r)) {
 266                         foreach($r as $rr) {
 267                                 if(! $rr['rel']) {
 268                                         q("DELETE FROM `contact` WHERE `id` = %d LIMIT 1",
 269                                                 intval($rr['cid'])
 270                                         );
 271                                 }
 272                                 q("DELETE FROM `intro` WHERE `id` = %d LIMIT 1",
 273                                         intval($rr['iid'])
 274                                 );
 275                         }
 276                 }
 277
 278                 /**
 279                  *
 280                  * Cleanup any old email intros - which will have a greater lifetime
 281                  */
 282
 283                 $r = q("SELECT `intro`.*, `intro`.`id` AS `iid`, `contact`.`id` AS `cid`, `contact`.`rel`
 284                         FROM `intro` LEFT JOIN `contact` on `intro`.`contact-id` = `contact`.`id`
 285                         WHERE `intro`.`blocked` = 1 AND `contact`.`self` = 0
 286                         AND `contact`.`network` = '%s'
 287                         AND `intro`.`datetime` < UTC_TIMESTAMP() - INTERVAL 3 DAY ",
 288                         dbesc(NETWORK_MAIL)
 289                 );
 290                 if(count($r)) {
 291                         foreach($r as $rr) {
 292                                 if(! $rr['rel']) {
 293                                         q("DELETE FROM `contact` WHERE `id` = %d LIMIT 1",
 294                                                 intval($rr['cid'])
 295                                         );
 296                                 }
 297                                 q("DELETE FROM `intro` WHERE `id` = %d LIMIT 1",
 298                                         intval($rr['iid'])
 299                                 );
 300                         }
 301                 }
 302
 303
 304                 $url = trim($_POST['dfrn_url']);
 305                 if(! strlen($url)) {
 306                         notice( t("Invalid locator") . EOL );
 307                         return;
 308                 }
 309
 310                 // Canonicalise email-style profile locator
 311
 312                 $hcard = '';
 313                 $url = webfinger_dfrn($url,$hcard);
 314
 315                 if(substr($url,0,5) === 'stat:') {
 316                         $network = NETWORK_OSTATUS;
 317                         $url = substr($url,5);
 318                 }
 319                 else {
 320                         $network = NETWORK_DFRN;
 321                 }
 322
 323                 logger('dfrn_request: url: ' . $url);
 324
 325                 if(! strlen($url)) {
 326                         notice( t("Unable to resolve your name at the provided location.") . EOL);
 327                         return;
 328                 }
 329
 330
 331                 if($network === NETWORK_DFRN) {
 332                         $ret = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `self` = 0 LIMIT 1",
 333                                 intval($uid),
 334                                 dbesc($url)
 335                         );
 336
 337                         if(count($ret)) {
 338                                 if(strlen($ret[0]['issued-id'])) {
 339                                         notice( t('You have already introduced yourself here.') . EOL );
 340                                         return;
 341                                 }
 342                                 elseif($ret[0]['rel'] == CONTACT_IS_FRIEND) {
 343                                         notice( sprintf( t('Apparently you are already friends with %s.'), $a->profile['name']) . EOL);
 344                                         return;
 345                                 }
 346                                 else {
 347                                         $contact_record = $ret[0];
 348                                         $parms = array('dfrn-request' => $ret[0]['request']);
 349                                 }
 350                         }
 351
 352                         $issued_id = random_string();
 353
 354                         if(is_array($contact_record)) {
 355                                 // There is a contact record but no issued-id, so this
 356                                 // is a reciprocal introduction from a known contact
 357                                 $r = q("UPDATE `contact` SET `issued-id` = '%s' WHERE `id` = %d LIMIT 1",
 358                                         dbesc($issued_id),
 359                                         intval($contact_record['id'])
 360                                 );
 361                         }
 362                         else {
 363                                 if(! validate_url($url)) {
 364                                         notice( t('Invalid profile URL.') . EOL);
 365                                         goaway($a->get_baseurl() . '/' . $a->cmd);
 366                                         return; // NOTREACHED
 367                                 }
 368
 369                                 if(! allowed_url($url)) {
 370                                         notice( t('Disallowed profile URL.') . EOL);
 371                                         goaway($a->get_baseurl() . '/' . $a->cmd);
 372                                         return; // NOTREACHED
 373                                 }
 374
 375
 376                                 require_once('Scrape.php');
 377
 378                                 $parms = scrape_dfrn(($hcard) ? $hcard : $url);
 379
 380                                 if(! count($parms)) {
 381                                         notice( t('Profile location is not valid or does not contain profile information.') . EOL );
 382                                         goaway($a->get_baseurl() . '/' . $a->cmd);
 383                                 }
 384                                 else {
 385                                         if(! x($parms,'fn'))
 386                                                 notice( t('Warning: profile location has no identifiable owner name.') . EOL );
 387                                         if(! x($parms,'photo'))
 388                                                 notice( t('Warning: profile location has no profile photo.') . EOL );
 389                                         $invalid = validate_dfrn($parms);
 390                                         if($invalid) {
 391                                                 notice( sprintf( tt("%d required parameter was not found at the given location",
 392                                                                                         "%d required parameters were not found at the given location",
 393                                                                                         $invalid), $invalid) . EOL );
 394
 395                                                 return;
 396                                         }
 397                                 }
 398
 399
 400                                 $parms['url'] = $url;
 401                                 $parms['issued-id'] = $issued_id;
 402
 403
 404                                 dbesc_array($parms);
 405                                 $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`,`name`, `nick`, `issued-id`, `photo`, `site-pubkey`,
 406                                         `request`, `confirm`, `notify`, `poll`, `poco`, `network` )
 407                                         VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' )",
 408                                         intval($uid),
 409                                         dbesc(datetime_convert()),
 410                                         $parms['url'],
 411                                         dbesc(normalise_link($parms['url'])),
 412                                         $parms['fn'],
 413                                         $parms['nick'],
 414                                         $parms['issued-id'],
 415                                         $parms['photo'],
 416                                         $parms['key'],
 417                                         $parms['dfrn-request'],
 418                                         $parms['dfrn-confirm'],
 419                                         $parms['dfrn-notify'],
 420                                         $parms['dfrn-poll'],
 421                                         $parms['dfrn-poco'],
 422                                         dbesc(NETWORK_DFRN)
 423                                 );
 424
 425                                 // find the contact record we just created
 426                                 if($r) {
 427                                         $r = q("SELECT `id` FROM `contact`
 428                                                 WHERE `uid` = %d AND `url` = '%s' AND `issued-id` = '%s' LIMIT 1",
 429                                                 intval($uid),
 430                                                 $parms['url'],
 431                                                 $parms['issued-id']
 432                                         );
 433                                         if(count($r))
 434                                                 $contact_record = $r[0];
 435                                 }
 436
 437                         }
 438                         if($r === false) {
 439                                 notice( t('Failed to update contact record.') . EOL );
 440                                 return;
 441                         }
 442
 443                         $hash = random_string() . (string) time();   // Generate a confirm_key
 444
 445                         if(is_array($contact_record)) {
 446                                 $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime`)
 447                                         VALUES ( %d, %d, 1, %d, '%s', '%s', '%s' )",
 448                                         intval($uid),
 449                                         intval($contact_record['id']),
 450                                         ((x($_POST,'knowyou') && ($_POST['knowyou'] == 1)) ? 1 : 0),
 451                                         dbesc(notags(trim($_POST['dfrn-request-message']))),
 452                                         dbesc($hash),
 453                                         dbesc(datetime_convert())
 454                                 );
 455                         }
 456
 457                         // This notice will only be seen by the requestor if the requestor and requestee are on the same server.
 458
 459                         if(! $failed)
 460                                 info( t('Your introduction has been sent.') . EOL );
 461
 462                         // "Homecoming" - send the requestor back to their site to record the introduction.
 463
 464                         $dfrn_url = bin2hex($a->get_baseurl() . '/profile/' . $nickname);
 465                         $aes_allow = ((function_exists('openssl_encrypt')) ? 1 : 0);
 466
 467                         goaway($parms['dfrn-request'] . "?dfrn_url=$dfrn_url"
 468                                 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 469                                 . '&confirm_key='  . $hash
 470                                 . (($aes_allow) ? "&aes_allow=1" : "")
 471                         );
 472                         // NOTREACHED
 473                         // END $network === NETWORK_DFRN
 474                 }
 475                 elseif($network === NETWORK_OSTATUS) {
 476
 477                         /**
 478                          *
 479                          * OStatus network
 480                          * Check contact existence
 481                          * Try and scrape together enough information to create a contact record,
 482                          * with us as CONTACT_IS_FOLLOWER
 483                          * Substitute our user's feed URL into $url template
 484                          * Send the subscriber home to subscribe
 485                          *
 486                          */
 487
 488                         $url = str_replace('{uri}', $a->get_baseurl() . '/dfrn_poll/' . $nickname, $url);
 489                         goaway($url);
 490                         // NOTREACHED
 491                         // END $network === NETWORK_OSTATUS
 492                 }
 493
 494         }       return;
 495 }}
 496
 497
 498
 499
 500 if(! function_exists('dfrn_request_content')) {
 501 function dfrn_request_content(&$a) {
 502
 503         if(($a->argc != 2) || (! count($a->profile)))
 504                 return "";
 505
 506
 507         // "Homecoming". Make sure we're logged in to this site as the correct user. Then offer a confirm button
 508         // to send us to the post section to record the introduction.
 509
 510         if(x($_GET,'dfrn_url')) {
 511
 512                 if(! local_user()) {
 513                         info( t("Please login to confirm introduction.") . EOL );
 514
 515                         /* setup the return URL to come back to this page if they use openid */
 516
 517                         $stripped = str_replace('q=','',$a->query_string);
 518                         $_SESSION['return_url'] = trim($stripped,'/');
 519
 520                         return login();
 521                 }
 522
 523                 // Edge case, but can easily happen in the wild. This person is authenticated,
 524                 // but not as the person who needs to deal with this request.
 525
 526                 if ($a->user['nickname'] != $a->argv[1]) {
 527                         notice( t("Incorrect identity currently logged in. Please login to <strong>this</strong> profile.") . EOL);
 528                         return login();
 529                 }
 530
 531                 $dfrn_url = notags(trim(hex2bin($_GET['dfrn_url'])));
 532                 $aes_allow = (((x($_GET,'aes_allow')) && ($_GET['aes_allow'] == 1)) ? 1 : 0);
 533                 $confirm_key = (x($_GET,'confirm_key') ? $_GET['confirm_key'] : "");
 534                 $tpl = get_markup_template("dfrn_req_confirm.tpl");
 535                 $o  = replace_macros($tpl,array(
 536                         '$dfrn_url' => $dfrn_url,
 537                         '$aes_allow' => (($aes_allow) ? '<input type="hidden" name="aes_allow" value="1" />' : "" ),
 538                         '$confirm_key' => $confirm_key,
 539                         '$welcome' => sprintf( t('Welcome home %s.'), $a->user['username']),
 540                         '$please' => sprintf( t('Please confirm your introduction/connection request to %s.'), $dfrn_url),
 541                         '$submit' => t('Confirm'),
 542                         '$uid' => $_SESSION['uid'],
 543                         '$nickname' => $a->user['nickname'],
 544                         'dfrn_rawurl' => $_GET['dfrn_url']
 545                         ));
 546                 return $o;
 547
 548         }
 549         elseif((x($_GET,'confirm_key')) && strlen($_GET['confirm_key'])) {
 550
 551                 // we are the requestee and it is now safe to send our user their introduction,
 552                 // We could just unblock it, but first we have to jump through a few hoops to
 553                 // send an email, or even to find out if we need to send an email.
 554
 555                 $intro = q("SELECT * FROM `intro` WHERE `hash` = '%s' LIMIT 1",
 556                         dbesc($_GET['confirm_key'])
 557                 );
 558
 559                 if(count($intro)) {
 560
 561                         $r = q("SELECT `contact`.*, `user`.* FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
 562                                 WHERE `contact`.`id` = %d LIMIT 1",
 563                                 intval($intro[0]['contact-id'])
 564                         );
 565
 566                         $auto_confirm = false;
 567
 568                         if(count($r)) {
 569                                 if($r[0]['page-flags'] != PAGE_NORMAL)
 570                                         $auto_confirm = true;
 571
 572                                 if(! $auto_confirm) {
 573                                         require_once('include/enotify.php');
 574                                         notification(array(
 575                                                 'type'         => NOTIFY_INTRO,
 576                                                 'notify_flags' => $r[0]['notify-flags'],
 577                                                 'language'     => $r[0]['language'],
 578                                                 'to_name'      => $r[0]['username'],
 579                                                 'to_email'     => $r[0]['email'],
 580                                                 'uid'          => $r[0]['uid'],
 581                                                 'link'             => $a->get_baseurl() . '/notifications/intros',
 582                                                 'source_name'  => ((strlen(stripslashes($r[0]['name']))) ? stripslashes($r[0]['name']) : t('[Name Withheld]')),
 583                                                 'source_link'  => $r[0]['url'],
 584                                                 'source_photo' => $r[0]['photo'],
 585                                                 'verb'         => ACTIVITY_REQ_FRIEND,
 586                                                 'otype'        => 'intro'
 587                                         ));
 588                                 }
 589
 590                                 if($auto_confirm) {
 591                                         require_once('mod/dfrn_confirm.php');
 592                                         $handsfree = array(
 593                                                 'uid' => $r[0]['uid'],
 594                                                 'node' => $r[0]['nickname'],
 595                                                 'dfrn_id' => $r[0]['issued-id'],
 596                                                 'intro_id' => $intro[0]['id'],
 597                                                 'duplex' => (($r[0]['page-flags'] == PAGE_FREELOVE) ? 1 : 0)
 598                                         );
 599                                         dfrn_confirm_post($a,$handsfree);
 600                                 }
 601
 602                         }
 603
 604                         if(! $auto_confirm) {
 605
 606                                 // If we are auto_confirming, this record will have already been nuked
 607                                 // in dfrn_confirm_post()
 608
 609                                 $r = q("UPDATE `intro` SET `blocked` = 0 WHERE `hash` = '%s' LIMIT 1",
 610                                         dbesc($_GET['confirm_key'])
 611                                 );
 612                         }
 613                 }
 614
 615                 killme();
 616                 return; // NOTREACHED
 617         }
 618         else {
 619
 620                 /**
 621                  * Normal web request. Display our user's introduction form.
 622                  */
 623
 624                 if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
 625                         notice( t('Public access denied.') . EOL);
 626                         return;
 627                 }
 628
 629
 630                 /**
 631                  * Try to auto-fill the profile address
 632                  */
 633
 634                 if(local_user()) {
 635                         if(strlen($a->path)) {
 636                                 $myaddr = $a->get_baseurl() . '/profile/' . $a->user['nickname'];
 637                         }
 638                         else {
 639                                 $myaddr = $a->user['nickname'] . '@' . substr(z_root(), strpos(z_root(),'://') + 3 );
 640                         }
 641                 }
 642                 elseif(x($_GET,'addr')) {
 643                         $myaddr = hex2bin($_GET['addr']);
 644                 }
 645                 else {
 646                         /* $_GET variables are already urldecoded */
 647                         $myaddr = ((x($_GET,'address')) ? $_GET['address'] : '');
 648                 }
 649
 650                 $target_addr = $a->profile['nickname'] . '@' . substr(z_root(), strpos(z_root(),'://') + 3 );
 651
 652
 653                 /**
 654                  *
 655                  * The auto_request form only has the profile address
 656                  * because nobody is going to read the comments and
 657                  * it doesn't matter if they know you or not.
 658                  *
 659                  */
 660
 661                 if($a->profile['page-flags'] == PAGE_NORMAL)
 662                         $tpl = get_markup_template('dfrn_request.tpl');
 663                 else
 664                         $tpl = get_markup_template('auto_request.tpl');
 665
 666                 $page_desc = sprintf( t('Diaspora members: Please do not use this form. Instead, enter "%s" into your Diaspora search bar.'),
 667                         $target_addr) . EOL . EOL;
 668
 669                 $page_desc .= t("Please enter your 'Identity Address' from one of the following supported communications networks:");
 670
 671                 $emailnet = t("<strike>Connect as an email follower</strike> \x28Coming soon\x29");
 672
 673                 $invite_desc = t('If you are not yet a member of the free social web, <a href="http://dir.friendica.com/siteinfo">follow this link to find a public Friendica site and join us today</a>.');
 674
 675                 $o .= replace_macros($tpl,array(
 676                         '$header' => t('Friend/Connection Request'),
 677                         '$desc' => t('Examples: jojo@demo.friendica.com, http://demo.friendica.com/profile/jojo, testuser@identi.ca'),
 678                         '$pls_answer' => t('Please answer the following:'),
 679                         '$does_know' => sprintf( t('Does %s know you?'),$a->profile['name']),
 680                         '$yes' => t('Yes'),
 681                         '$no' => t('No'),
 682                         '$add_note' => t('Add a personal note:'),
 683                         '$page_desc' => $page_desc,
 684                         '$friendica' => t('Friendica'),
 685                         '$statusnet' => t('StatusNet/Federated Social Web'),
 686                         '$diaspora' => t('Diaspora'),
 687                         '$diasnote' => t('- please share from your own site as noted above'),
 688                         '$your_address' => t('Your Identity Address:'),
 689                         '$invite_desc' => $invite_desc,
 690                         '$emailnet' => $emailnet,
 691                         '$submit' => t('Submit Request'),
 692                         '$cancel' => t('Cancel'),
 693                         '$nickname' => $a->argv[1],
 694                         '$name' => $a->profile['name'],
 695                         '$myaddr' => $myaddr
 696                 ));
 697                 return $o;
 698         }
 699
 700         return; // Somebody is fishing.
 701 }}