mod/follow.php

   1 <?php
   2
   3 require_once('Scrape.php');
   4
   5 function follow_post(&$a) {
   6
   7         if(! local_user()) {
   8                 notice( t('Permission denied.') . EOL);
   9                 goaway($_SESSION['return_url']);
  10                 // NOTREACHED
  11         }
  12
  13         $url = $orig_url = notags(trim($_POST['url']));
  14
  15         $ret = probe_url($url);
  16
  17
  18         if($ret['network'] === NETWORK_DFRN) {
  19                 if(strlen($a->path))
  20                         $myaddr = bin2hex($a->get_baseurl() . '/profile/' . $a->user['nickname']);
  21                 else
  22                         $myaddr = bin2hex($a->user['nickname'] . '@' . $a->get_hostname());
  23
  24                 goaway($ret['request'] . "&addr=$myaddr");
  25
  26                 // NOTREACHED
  27         }
  28
  29         // do we have enough information?
  30
  31         if(! ((x($ret,'name')) && (x($ret,'poll')) && (x($ret,'url')))) {
  32                 notice( t('The profile address specified does not provide adequate information.') . EOL);
  33                 goaway($_SESSION['return_url']);
  34         }
  35
  36
  37         if(! $ret['notify']) {
  38                 notice( t('Limited profile. This person will be unable to receive direct/personal notifications from you.') . EOL);
  39         }
  40
  41         $writeable = ((($ret['network'] === NETWORK_OSTATUS) && ($ret['notify'])) ? 1 : 0);
  42
  43         // check if we already have a contact
  44         // the poll url is more reliable than the profile url, as we may have
  45         // indirect links or webfinger links
  46
  47         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `poll` = '%s' LIMIT 1",
  48                 intval(local_user()),
  49                 dbesc($ret['poll'])
  50         );
  51
  52         if(count($r)) {
  53                 // update contact
  54                 if($r[0]['rel'] == REL_VIP) {
  55                         q("UPDATE `contact` SET `rel` = %d , `readonly` = 0 WHERE `id` = %d AND `uid` = %d LIMIT 1",
  56                                 intval(REL_BUD),
  57                                 intval($r[0]['id']),
  58                                 intval(local_user())
  59                         );
  60                 }
  61         }
  62         else {
  63                 // create contact record
  64                 $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `alias`, `notify`, `poll`, `name`, `nick`, `photo`, `network`, `rel`, `priority`,
  65                         `writable`, `blocked`, `readonly`, `pending` )
  66                         VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, 0, 0, 0 ) ",
  67                         intval(local_user()),
  68                         dbesc(datetime_convert()),
  69                         dbesc($ret['url']),
  70                         dbesc($ret['alias']),
  71                         dbesc($ret['notify']),
  72                         dbesc($ret['poll']),
  73                         dbesc($ret['name']),
  74                         dbesc($ret['nick']),
  75                         dbesc($ret['photo']),
  76                         dbesc($ret['network']),
  77                         intval(REL_FAN),
  78                         intval($ret['priority']),
  79                         intval($writable)
  80                 );
  81         }
  82
  83         $r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
  84                 dbesc($ret['url']),
  85                 intval(local_user())
  86         );
  87
  88         if(! count($r)) {
  89                 notice( t('Unable to retrieve contact information.') . EOL);
  90                 goaway($_SESSION['return_url']);
  91                 // NOTREACHED
  92         }
  93
  94         $contact = $r[0];
  95         $contact_id  = $r[0]['id'];
  96
  97         require_once("Photo.php");
  98
  99         $photos = import_profile_photo($ret['photo'],local_user(),$contact_id);
 100
 101         $r = q("UPDATE `contact` SET `photo` = '%s',
 102                         `thumb` = '%s',
 103                         `micro` = '%s',
 104                         `name-date` = '%s',
 105                         `uri-date` = '%s',
 106                         `avatar-date` = '%s'
 107                         WHERE `id` = %d LIMIT 1
 108                 ",
 109                         dbesc($photos[0]),
 110                         dbesc($photos[1]),
 111                         dbesc($photos[2]),
 112                         dbesc(datetime_convert()),
 113                         dbesc(datetime_convert()),
 114                         dbesc(datetime_convert()),
 115                         intval($contact_id)
 116                 );
 117
 118
 119         // pull feed and consume it, which should subscribe to the hub.
 120
 121         proc_run('php',"include/poller.php","$contact_id");
 122
 123         // create a follow slap
 124
 125         $tpl = load_view_file('view/follow_slap.tpl');
 126         $slap = replace_macros($tpl, array(
 127                 '$name' => $a->user['username'],
 128                 '$profile_page' => $a->get_baseurl() . '/profile/' . $a->user['nickname'],
 129                 '$photo' => $a->contact['photo'],
 130                 '$thumb' => $a->contact['thumb'],
 131                 '$published' => datetime_convert('UTC','UTC', 'now', ATOM_TIME),
 132                 '$item_id' => 'urn:X-dfrn:' . $a->get_hostname() . ':follow:' . random_string(),
 133                 '$title' => '',
 134                 '$type' => 'text',
 135                 '$content' => t('following'),
 136                 '$nick' => $a->user['nickname'],
 137                 '$verb' => ACTIVITY_FOLLOW,
 138                 '$ostat_follow' => ''
 139         ));
 140
 141         $r = q("SELECT `contact`.*, `user`.* FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
 142                         WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 143                         intval(local_user())
 144         );
 145
 146
 147         if((count($r)) && (x($contact,'notify')) && (strlen($contact['notify']))) {
 148                 require_once('include/salmon.php');
 149                 slapper($r[0],$contact['notify'],$slap);
 150         }
 151
 152         goaway($_SESSION['return_url']);
 153         // NOTREACHED
 154 }