include/Scrape.php

   1 <?php
   2
   3 require_once('library/HTML5/Parser.php');
   4 require_once('include/crypto.php');
   5
   6 if(! function_exists('scrape_dfrn')) {
   7 function scrape_dfrn($url) {
   8
   9         $a = get_app();
  10
  11         $ret = array();
  12
  13         logger('scrape_dfrn: url=' . $url);
  14
  15         $s = fetch_url($url);
  16
  17         if(! $s)
  18                 return $ret;
  19
  20         $headers = $a->get_curl_headers();
  21         logger('scrape_dfrn: headers=' . $headers, LOGGER_DEBUG);
  22
  23
  24         $lines = explode("\n",$headers);
  25         if(count($lines)) {
  26                 foreach($lines as $line) {
  27                         // don't try and run feeds through the html5 parser
  28                         if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
  29                                 return ret;
  30                 }
  31         }
  32
  33         try {
  34                 $dom = HTML5_Parser::parse($s);
  35         } catch (DOMException $e) {
  36                 logger('scrape_dfrn: parse error: ' . $e);
  37         }
  38
  39         if(! $dom)
  40                 return $ret;
  41
  42         $items = $dom->getElementsByTagName('link');
  43
  44         // get DFRN link elements
  45
  46         foreach($items as $item) {
  47                 $x = $item->getAttribute('rel');
  48                 if(($x === 'alternate') && ($item->getAttribute('type') === 'application/atom+xml'))
  49                         $ret['feed_atom'] = $item->getAttribute('href');
  50                 if(substr($x,0,5) == "dfrn-") {
  51                         $ret[$x] = $item->getAttribute('href');
  52                 }
  53                 if($x === 'lrdd') {
  54                         $decoded = urldecode($item->getAttribute('href'));
  55                         if(preg_match('/acct:([^@]*)@/',$decoded,$matches))
  56                                 $ret['nick'] = $matches[1];
  57                 }
  58         }
  59
  60         // Pull out hCard profile elements
  61
  62         $largest_photo = 0;
  63
  64         $items = $dom->getElementsByTagName('*');
  65         foreach($items as $item) {
  66                 if(attribute_contains($item->getAttribute('class'), 'vcard')) {
  67                         $level2 = $item->getElementsByTagName('*');
  68                         foreach($level2 as $x) {
  69                                 if(attribute_contains($x->getAttribute('class'),'fn')) {
  70                                         $ret['fn'] = $x->textContent;
  71                                 }
  72                                 if((attribute_contains($x->getAttribute('class'),'photo'))
  73                                         || (attribute_contains($x->getAttribute('class'),'avatar'))) {
  74                                         $size = intval($x->getAttribute('width'));
  75                                         // dfrn prefers 175, so if we find this, we set largest_size so it can't be topped.
  76                                         if(($size > $largest_photo) || ($size == 175) || (! $largest_photo)) {
  77                                                 $ret['photo'] = $x->getAttribute('src');
  78                                                 $largest_photo = (($size == 175) ? 9999 : $size);
  79                                         }
  80                                 }
  81                                 if(attribute_contains($x->getAttribute('class'),'key')) {
  82                                         $ret['key'] = $x->textContent;
  83                                 }
  84                         }
  85                 }
  86         }
  87
  88         return $ret;
  89 }}
  90
  91
  92
  93
  94
  95
  96 if(! function_exists('validate_dfrn')) {
  97 function validate_dfrn($a) {
  98         $errors = 0;
  99         if(! x($a,'key'))
 100                 $errors ++;
 101         if(! x($a,'dfrn-request'))
 102                 $errors ++;
 103         if(! x($a,'dfrn-confirm'))
 104                 $errors ++;
 105         if(! x($a,'dfrn-notify'))
 106                 $errors ++;
 107         if(! x($a,'dfrn-poll'))
 108                 $errors ++;
 109         return $errors;
 110 }}
 111
 112 if(! function_exists('scrape_meta')) {
 113 function scrape_meta($url) {
 114
 115         $a = get_app();
 116
 117         $ret = array();
 118
 119         logger('scrape_meta: url=' . $url);
 120
 121         $s = fetch_url($url);
 122
 123         if(! $s)
 124                 return $ret;
 125
 126         $headers = $a->get_curl_headers();
 127         logger('scrape_meta: headers=' . $headers, LOGGER_DEBUG);
 128
 129         $lines = explode("\n",$headers);
 130         if(count($lines)) {
 131                 foreach($lines as $line) {
 132                         // don't try and run feeds through the html5 parser
 133                         if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
 134                                 return ret;
 135                 }
 136         }
 137
 138         try {
 139                 $dom = HTML5_Parser::parse($s);
 140         } catch (DOMException $e) {
 141                 logger('scrape_meta: parse error: ' . $e);
 142         }
 143
 144         if(! $dom)
 145                 return $ret;
 146
 147         $items = $dom->getElementsByTagName('meta');
 148
 149         // get DFRN link elements
 150
 151         foreach($items as $item) {
 152                 $x = $item->getAttribute('name');
 153                 if(substr($x,0,5) == "dfrn-")
 154                         $ret[$x] = $item->getAttribute('content');
 155         }
 156
 157         return $ret;
 158 }}
 159
 160
 161 if(! function_exists('scrape_vcard')) {
 162 function scrape_vcard($url) {
 163
 164         $a = get_app();
 165
 166         $ret = array();
 167
 168         logger('scrape_vcard: url=' . $url);
 169
 170         $s = fetch_url($url);
 171
 172         if(! $s)
 173                 return $ret;
 174
 175         $headers = $a->get_curl_headers();
 176         $lines = explode("\n",$headers);
 177         if(count($lines)) {
 178                 foreach($lines as $line) {
 179                         // don't try and run feeds through the html5 parser
 180                         if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
 181                                 return ret;
 182                 }
 183         }
 184
 185         try {
 186                 $dom = HTML5_Parser::parse($s);
 187         } catch (DOMException $e) {
 188                 logger('scrape_vcard: parse error: ' . $e);
 189         }
 190
 191         if(! $dom)
 192                 return $ret;
 193
 194         // Pull out hCard profile elements
 195
 196         $largest_photo = 0;
 197
 198         $items = $dom->getElementsByTagName('*');
 199         foreach($items as $item) {
 200                 if(attribute_contains($item->getAttribute('class'), 'vcard')) {
 201                         $level2 = $item->getElementsByTagName('*');
 202                         foreach($level2 as $x) {
 203                                 if(attribute_contains($x->getAttribute('class'),'fn'))
 204                                         $ret['fn'] = $x->textContent;
 205                                 if((attribute_contains($x->getAttribute('class'),'photo'))
 206                                         || (attribute_contains($x->getAttribute('class'),'avatar'))) {
 207                                         $size = intval($x->getAttribute('width'));
 208                                         if(($size > $largest_photo) || (! $largest_photo)) {
 209                                                 $ret['photo'] = $x->getAttribute('src');
 210                                                 $largest_photo = $size;
 211                                         }
 212                                 }
 213                                 if((attribute_contains($x->getAttribute('class'),'nickname'))
 214                                         || (attribute_contains($x->getAttribute('class'),'uid'))) {
 215                                         $ret['nick'] = $x->textContent;
 216                                 }
 217                         }
 218                 }
 219         }
 220
 221         return $ret;
 222 }}
 223
 224
 225 if(! function_exists('scrape_feed')) {
 226 function scrape_feed($url) {
 227
 228         $a = get_app();
 229
 230         $ret = array();
 231         $s = fetch_url($url);
 232
 233         if(! $s)
 234                 return $ret;
 235
 236         $headers = $a->get_curl_headers();
 237         logger('scrape_feed: headers=' . $headers, LOGGER_DEBUG);
 238
 239         $lines = explode("\n",$headers);
 240         if(count($lines)) {
 241                 foreach($lines as $line) {
 242                         if(stristr($line,'content-type:')) {
 243                                 if(stristr($line,'application/atom+xml') || stristr($s,'<feed')) {
 244                                         $ret['feed_atom'] = $url;
 245                                         return $ret;
 246                                 }
 247                                 if(stristr($line,'application/rss+xml') || stristr($s,'<rss')) {
 248                                         $ret['feed_rss'] = $url;
 249                                         return $ret;
 250                                 }
 251                         }
 252                 }
 253         }
 254
 255         try {
 256                 $dom = HTML5_Parser::parse($s);
 257         } catch (DOMException $e) {
 258                 logger('scrape_feed: parse error: ' . $e);
 259         }
 260
 261         if(! $dom)
 262                 return $ret;
 263
 264
 265         $head = $dom->getElementsByTagName('base');
 266         if($head) {
 267                 foreach($head as $head0) {
 268                         $basename = $head0->getAttribute('href');
 269                         break;
 270                 }
 271         }
 272         if(! $basename)
 273                 $basename = substr($url,0,strrpos($url,'/')) . '/';
 274
 275         $items = $dom->getElementsByTagName('link');
 276
 277         // get Atom/RSS link elements, take the first one of either.
 278
 279         if($items) {
 280                 foreach($items as $item) {
 281                         $x = $item->getAttribute('rel');
 282                         if(($x === 'alternate') && ($item->getAttribute('type') === 'application/atom+xml')) {
 283                                 if(! x($ret,'feed_atom'))
 284                                         $ret['feed_atom'] = $item->getAttribute('href');
 285                         }
 286                         if(($x === 'alternate') && ($item->getAttribute('type') === 'application/rss+xml')) {
 287                                 if(! x($ret,'feed_rss'))
 288                                         $ret['feed_rss'] = $item->getAttribute('href');
 289                         }
 290                 }
 291         }
 292
 293         // Drupal and perhaps others only provide relative URL's. Turn them into absolute.
 294
 295         if(x($ret,'feed_atom') && (! strstr($ret['feed_atom'],'://')))
 296                 $ret['feed_atom'] = $basename . $ret['feed_atom'];
 297         if(x($ret,'feed_rss') && (! strstr($ret['feed_rss'],'://')))
 298                 $ret['feed_rss'] = $basename . $ret['feed_rss'];
 299
 300         return $ret;
 301 }}
 302
 303
 304 /**
 305  *
 306  * Probe a network address to discover what kind of protocols we need to communicate with it.
 307  *
 308  * Warning: this function is a bit touchy and there are some subtle dependencies within the logic flow.
 309  * Edit with care.
 310  *
 311  */
 312
 313 /**
 314  *
 315  * PROBE_DIASPORA has a bias towards returning Diaspora information
 316  * while PROBE_NORMAL has a bias towards dfrn/zot - in the case where
 317  * an address (such as a Friendika address) supports more than one type
 318  * of network.
 319  *
 320  */
 321
 322
 323 define ( 'PROBE_NORMAL',   0);
 324 define ( 'PROBE_DIASPORA', 1);
 325
 326 function probe_url($url, $mode = PROBE_NORMAL) {
 327         require_once('include/email.php');
 328
 329         $result = array();
 330
 331         if(! $url)
 332                 return $result;
 333
 334         $network = null;
 335         $diaspora = false;
 336         $diaspora_base = '';
 337         $diaspora_guid = '';
 338         $diaspora_key = '';
 339         $has_lrdd = false;
 340         $email_conversant = false;
 341
 342         $twitter = ((strpos($url,'twitter.com') !== false) ? true : false);
 343
 344         $at_addr = ((strpos($url,'@') !== false) ? true : false);
 345
 346         if(! $twitter) {
 347
 348                 if(strpos($url,'mailto:') !== false && $at_addr) {
 349                         $url = str_replace('mailto:','',$url);
 350                         $links = array();
 351                 }
 352                 else
 353                         $links = lrdd($url);
 354
 355                 if(count($links)) {
 356                         $has_lrdd = true;
 357
 358                         logger('probe_url: found lrdd links: ' . print_r($links,true), LOGGER_DATA);
 359                         foreach($links as $link) {
 360                                 if($link['@attributes']['rel'] === NAMESPACE_ZOT)
 361                                         $zot = unamp($link['@attributes']['href']);
 362                                 if($link['@attributes']['rel'] === NAMESPACE_DFRN)
 363                                         $dfrn = unamp($link['@attributes']['href']);
 364                                 if($link['@attributes']['rel'] === 'salmon')
 365                                         $notify = unamp($link['@attributes']['href']);
 366                                 if($link['@attributes']['rel'] === NAMESPACE_FEED)
 367                                         $poll = unamp($link['@attributes']['href']);
 368                                 if($link['@attributes']['rel'] === 'http://microformats.org/profile/hcard')
 369                                         $hcard = unamp($link['@attributes']['href']);
 370                                 if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
 371                                         $profile = unamp($link['@attributes']['href']);
 372                                 if($link['@attributes']['rel'] === 'http://portablecontacts.net/spec/1.0')
 373                                         $poco = unamp($link['@attributes']['href']);
 374                                 if($link['@attributes']['rel'] === 'http://joindiaspora.com/seed_location') {
 375                                         $diaspora_base = unamp($link['@attributes']['href']);
 376                                         $diaspora = true;
 377                                 }
 378                                 if($link['@attributes']['rel'] === 'http://joindiaspora.com/guid') {
 379                                         $diaspora_guid = unamp($link['@attributes']['href']);
 380                                         $diaspora = true;
 381                                 }
 382                                 if($link['@attributes']['rel'] === 'diaspora-public-key') {
 383                                         $diaspora_key = base64_decode(unamp($link['@attributes']['href']));
 384                                         $pubkey = rsatopem($diaspora_key);
 385                                         $diaspora = true;
 386                                 }
 387                         }
 388
 389                         // Status.Net can have more than one profile URL. We need to match the profile URL
 390                         // to a contact on incoming messages to prevent spam, and we won't know which one
 391                         // to match. So in case of two, one of them is stored as an alias. Only store URL's
 392                         // and not webfinger user@host aliases. If they've got more than two non-email style
 393                         // aliases, let's hope we're lucky and get one that matches the feed author-uri because
 394                         // otherwise we're screwed.
 395
 396                         foreach($links as $link) {
 397                                 if($link['@attributes']['rel'] === 'alias') {
 398                                         if(strpos($link['@attributes']['href'],'@') === false) {
 399                                                 if(isset($profile)) {
 400                                                         if($link['@attributes']['href'] !== $profile)
 401                                                                 $alias = unamp($link['@attributes']['href']);
 402                                                 }
 403                                                 else
 404                                                         $profile = unamp($link['@attributes']['href']);
 405                                         }
 406                                 }
 407                         }
 408                 }
 409                 elseif($mode == PROBE_NORMAL) {
 410
 411                         // Check email
 412
 413                         $orig_url = $url;
 414                         if((strpos($orig_url,'@')) && validate_email($orig_url)) {
 415                                 $x = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d LIMIT 1",
 416                                         intval(local_user())
 417                                 );
 418                                 $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
 419                                         intval(local_user())
 420                                 );
 421                                 if(count($x) && count($r)) {
 422                                     $mailbox = construct_mailbox_name($r[0]);
 423                                         $password = '';
 424                                         openssl_private_decrypt(hex2bin($r[0]['pass']),$password,$x[0]['prvkey']);
 425                                         $mbox = email_connect($mailbox,$r[0]['user'],$password);
 426                                         unset($password);
 427                                 }
 428                                 if($mbox) {
 429                                         $msgs = email_poll($mbox,$orig_url);
 430                                         if(count($msgs)) {
 431                                                 $addr = $orig_url;
 432                                                 $network = NETWORK_MAIL;
 433                                                 $name = substr($url,0,strpos($url,'@'));
 434                                                 $phost = substr($url,strpos($url,'@')+1);
 435                                                 $profile = 'http://' . $phost;
 436                                                 // fix nick character range
 437                                                 $vcard = array('fn' => $name, 'nick' => $name, 'photo' => gravatar_img($url));
 438                                                 $notify = 'smtp ' . random_string();
 439                                                 $poll = 'email ' . random_string();
 440                                                 $priority = 0;
 441                                                 $x = email_msg_meta($mbox,$msgs[0]);
 442                                                 if(stristr($x->from,$orig_url))
 443                                                         $adr = imap_rfc822_parse_adrlist($x->from,'');
 444                                                 elseif(stristr($x->to,$orig_url))
 445                                                         $adr = imap_rfc822_parse_adrlist($x->to,'');
 446                                                 if(isset($adr)) {
 447                                                         foreach($adr as $feadr) {
 448                                                                 if((strcasecmp($feadr->mailbox,$name) == 0)
 449                                                                         &&(strcasecmp($feadr->host,$phost) == 0)
 450                                                                         && (strlen($feadr->personal))) {
 451                                                                         $vcard['fn'] = notags($feadr->personal);
 452                                                                 }
 453                                                         }
 454                                                 }
 455                                         }
 456                                         imap_close($mbox);
 457                                 }
 458                         }
 459                 }
 460         }
 461
 462         if($mode == PROBE_NORMAL) {
 463                 if(strlen($zot)) {
 464                         $s = fetch_url($zot);
 465                         if($s) {
 466                                 $j = json_decode($s);
 467                                 if($j) {
 468                                         $network = NETWORK_ZOT;
 469                                         $vcard   = array(
 470                                                 'fn'    => $j->fullname,
 471                                                 'nick'  => $j->nickname,
 472                                                 'photo' => $j->photo
 473                                         );
 474                                         $profile  = $j->url;
 475                                         $notify   = $j->post;
 476                                         $pubkey   = $j->pubkey;
 477                                         $poll     = 'N/A';
 478                                 }
 479                         }
 480                 }
 481
 482                 if(strlen($dfrn)) {
 483                         $ret = scrape_dfrn(($hcard) ? $hcard : $dfrn);
 484                         if(is_array($ret) && x($ret,'dfrn-request')) {
 485                                 $network = NETWORK_DFRN;
 486                                 $request = $ret['dfrn-request'];
 487                                 $confirm = $ret['dfrn-confirm'];
 488                                 $notify  = $ret['dfrn-notify'];
 489                                 $poll    = $ret['dfrn-poll'];
 490
 491                                 $vcard = array();
 492                                 $vcard['fn'] = $ret['fn'];
 493                                 $vcard['nick'] = $ret['nick'];
 494                                 $vcard['photo'] = $ret['photo'];
 495                         }
 496                 }
 497         }
 498
 499         if($diaspora && $diaspora_base && $diaspora_guid) {
 500                 if($mode == PROBE_DIASPORA || ! $notify) {
 501                         $notify = $diaspora_base . 'receive/users/' . $diaspora_guid;
 502                         $batch  = $diaspora_base . 'receive/public' ;
 503                 }
 504                 if(strpos($url,'@'))
 505                         $addr = str_replace('acct:', '', $url);
 506         }
 507
 508         if($network !== NETWORK_ZOT && $network !== NETWORK_DFRN && $network !== NETWORK_MAIL) {
 509                 if($diaspora)
 510                         $network = NETWORK_DIASPORA;
 511                 elseif($has_lrdd)
 512                         $network  = NETWORK_OSTATUS;
 513                 $priority = 0;
 514
 515                 if($hcard && ! $vcard) {
 516                         $vcard = scrape_vcard($hcard);
 517
 518                         // Google doesn't use absolute url in profile photos
 519
 520                         if((x($vcard,'photo')) && substr($vcard['photo'],0,1) == '/') {
 521                                 $h = @parse_url($hcard);
 522                                 if($h)
 523                                         $vcard['photo'] = $h['scheme'] . '://' . $h['host'] . $vcard['photo'];
 524                         }
 525
 526                         logger('probe_url: scrape_vcard: ' . print_r($vcard,true), LOGGER_DATA);
 527                 }
 528
 529                 if($twitter) {
 530                         logger('twitter: setup');
 531                         $tid = basename($url);
 532                         $tapi = 'https://api.twitter.com/1/statuses/user_timeline.rss';
 533                         if(intval($tid))
 534                                 $poll = $tapi . '?user_id=' . $tid;
 535                         else
 536                                 $poll = $tapi . '?screen_name=' . $tid;
 537                         $profile = 'http://twitter.com/#!/' . $tid;
 538                         $vcard['photo'] = 'https://api.twitter.com/1/users/profile_image/' . $tid;
 539                         $vcard['nick'] = $tid;
 540                         $vcard['fn'] = $tid . '@twitter';
 541                 }
 542
 543                 if(! x($vcard,'fn'))
 544                         if(x($vcard,'nick'))
 545                                 $vcard['fn'] = $vcard['nick'];
 546
 547                 $check_feed = false;
 548
 549                 if($twitter || ! $poll)
 550                         $check_feed = true;
 551                 if((! isset($vcard)) || (! x($vcard,'fn')) || (! $profile))
 552                         $check_feed = true;
 553                 if(($at_addr) && (! count($links)))
 554                         $check_feed = false;
 555
 556                 if($check_feed) {
 557
 558                         $feedret = scrape_feed(($poll) ? $poll : $url);
 559                         logger('probe_url: scrape_feed returns: ' . print_r($feedret,true), LOGGER_DATA);
 560                         if(count($feedret) && ($feedret['feed_atom'] || $feedret['feed_rss'])) {
 561                                 $poll = ((x($feedret,'feed_atom')) ? unamp($feedret['feed_atom']) : unamp($feedret['feed_rss']));
 562                                 if(! x($vcard))
 563                                         $vcard = array();
 564                         }
 565
 566                         if(x($feedret,'photo') && (! x($vcard,'photo')))
 567                                 $vcard['photo'] = $feedret['photo'];
 568                         require_once('library/simplepie/simplepie.inc');
 569                     $feed = new SimplePie();
 570                         $xml = fetch_url($poll);
 571
 572                         logger('probe_url: fetch feed: ' . $poll . ' returns: ' . $xml, LOGGER_DATA);
 573                         $a = get_app();
 574
 575                         logger('probe_url: scrape_feed: headers: ' . $a->get_curl_headers(), $LOGGER_DATA);
 576
 577                         $feed->set_raw_data($xml);
 578
 579                     $feed->init();
 580                         if($feed->error())
 581                                 logger('probe_url: scrape_feed: Error parsing XML: ' . $feed->error());
 582
 583
 584                         if(! x($vcard,'photo'))
 585                                 $vcard['photo'] = $feed->get_image_url();
 586                         $author = $feed->get_author();
 587
 588                         if($author) {
 589                                 $vcard['fn'] = unxmlify(trim($author->get_name()));
 590                                 if(! $vcard['fn'])
 591                                         $vcard['fn'] = trim(unxmlify($author->get_email()));
 592                                 if(strpos($vcard['fn'],'@') !== false)
 593                                         $vcard['fn'] = substr($vcard['fn'],0,strpos($vcard['fn'],'@'));
 594                                 $email = unxmlify($author->get_email());
 595                                 if(! $profile && $author->get_link())
 596                                         $profile = trim(unxmlify($author->get_link()));
 597                                 if(! $vcard['photo']) {
 598                                         $rawtags = $feed->get_feed_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
 599                                 if($rawtags) {
 600                                                 $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
 601                                                 if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo'))
 602                                                         $vcard['photo'] = $elems['link'][0]['attribs']['']['href'];
 603                                 }
 604                                 }
 605                         }
 606                         else {
 607                                 $item = $feed->get_item(0);
 608                                 if($item) {
 609                                         $author = $item->get_author();
 610                                         if($author) {
 611                                                 $vcard['fn'] = trim(unxmlify($author->get_name()));
 612                                                 if(! $vcard['fn'])
 613                                                         $vcard['fn'] = trim(unxmlify($author->get_email()));
 614                                                 if(strpos($vcard['fn'],'@') !== false)
 615                                                         $vcard['fn'] = substr($vcard['fn'],0,strpos($vcard['fn'],'@'));
 616                                                 $email = unxmlify($author->get_email());
 617                                                 if(! $profile && $author->get_link())
 618                                                         $profile = trim(unxmlify($author->get_link()));
 619                                         }
 620                                         if(! $vcard['photo']) {
 621                                                 $rawmedia = $item->get_item_tags('http://search.yahoo.com/mrss/','thumbnail');
 622                                                 if($rawmedia && $rawmedia[0]['attribs']['']['url'])
 623                                                         $vcard['photo'] = unxmlify($rawmedia[0]['attribs']['']['url']);
 624                                         }
 625                                         if(! $vcard['photo']) {
 626                                                 $rawtags = $item->get_item_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
 627                                         if($rawtags) {
 628                                                         $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
 629                                                         if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo'))
 630                                                                 $vcard['photo'] = $elems['link'][0]['attribs']['']['href'];
 631                                         }
 632                                         }
 633                                 }
 634                         }
 635
 636                         if((! $vcard['photo']) && strlen($email))
 637                                 $vcard['photo'] = gravatar_img($email);
 638                         if($poll === $profile)
 639                                 $lnk = $feed->get_permalink();
 640                         if(isset($lnk) && strlen($lnk))
 641                                 $profile = $lnk;
 642
 643                         if(! (x($vcard,'fn')))
 644                                 $vcard['fn'] = notags($feed->get_title());
 645                         if(! (x($vcard,'fn')))
 646                                 $vcard['fn'] = notags($feed->get_description());
 647
 648                         if(strpos($vcard['fn'],'Twitter / ') !== false) {
 649                                 $vcard['fn'] = substr($vcard['fn'],strpos($vcard['fn'],'/')+1);
 650                                 $vcard['fn'] = trim($vcard['fn']);
 651                         }
 652                         if(! x($vcard,'nick')) {
 653                                 $vcard['nick'] = strtolower(notags(unxmlify($vcard['fn'])));
 654                                 if(strpos($vcard['nick'],' '))
 655                                         $vcard['nick'] = trim(substr($vcard['nick'],0,strpos($vcard['nick'],' ')));
 656                         }
 657                         if(! $network)
 658                                 $network = NETWORK_FEED;
 659                         if(! $priority)
 660                                 $priority = 2;
 661                 }
 662         }
 663
 664         if(! x($vcard,'photo')) {
 665                 $a = get_app();
 666                 $vcard['photo'] = $a->get_baseurl() . '/images/default-profile.jpg' ;
 667         }
 668
 669         if(! $profile)
 670                 $profile = $url;
 671
 672         // No human could be associated with this link, use the URL as the contact name
 673
 674         if(($network === NETWORK_FEED) && ($poll) && (! x($vcard,'fn')))
 675                 $vcard['fn'] = $url;
 676
 677         $vcard['fn'] = notags($vcard['fn']);
 678         $vcard['nick'] = str_replace(' ','',notags($vcard['nick']));
 679
 680         $result['name'] = $vcard['fn'];
 681         $result['nick'] = $vcard['nick'];
 682         $result['url'] = $profile;
 683         $result['addr'] = $addr;
 684         $result['batch'] = $batch;
 685         $result['notify'] = $notify;
 686         $result['poll'] = $poll;
 687         $result['request'] = $request;
 688         $result['confirm'] = $confirm;
 689         $result['poco'] = $poco;
 690         $result['photo'] = $vcard['photo'];
 691         $result['priority'] = $priority;
 692         $result['network'] = $network;
 693         $result['alias'] = $alias;
 694         $result['pubkey'] = $pubkey;
 695
 696         logger('probe_url: ' . print_r($result,true), LOGGER_DEBUG);
 697
 698         return $result;
 699 }