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')) || (x($ret,'addr'))))) {
  32                 notice( t('The profile address specified does not provide adequate information.') . EOL);
  33                 goaway($_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) && ($ret['notify'])) ? 1 : 0);
  42         if($ret['network'] === NETWORK_MAIL) {
  43                 $writeable = 1;
  44
  45         }
  46         // check if we already have a contact
  47         // the poll url is more reliable than the profile url, as we may have
  48         // indirect links or webfinger links
  49
  50         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `poll` = '%s' LIMIT 1",
  51                 intval(local_user()),
  52                 dbesc($ret['poll'])
  53         );
  54
  55         if(count($r)) {
  56                 // update contact
  57                 if($r[0]['rel'] == REL_VIP) {
  58                         q("UPDATE `contact` SET `rel` = %d , `readonly` = 0 WHERE `id` = %d AND `uid` = %d LIMIT 1",
  59                                 intval(REL_BUD),
  60                                 intval($r[0]['id']),
  61                                 intval(local_user())
  62                         );
  63                 }
  64         }
  65         else {
  66                 // create contact record
  67                 $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `addr`, `alias`, `notify`, `poll`, `name`, `nick`, `photo`, `network`, `rel`, `priority`,
  68                         `writable`, `blocked`, `readonly`, `pending` )
  69                         VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, 0, 0, 0 ) ",
  70                         intval(local_user()),
  71                         dbesc(datetime_convert()),
  72                         dbesc($ret['url']),
  73                         dbesc($ret['addr']),
  74                         dbesc($ret['alias']),
  75                         dbesc($ret['notify']),
  76                         dbesc($ret['poll']),
  77                         dbesc($ret['name']),
  78                         dbesc($ret['nick']),
  79                         dbesc($ret['photo']),
  80                         dbesc($ret['network']),
  81                         intval(($ret['network'] === NETWORK_MAIL) ? REL_BUD : REL_FAN),
  82                         intval($ret['priority']),
  83                         intval($writeable)
  84                 );
  85         }
  86
  87         $r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
  88                 dbesc($ret['url']),
  89                 intval(local_user())
  90         );
  91
  92         if(! count($r)) {
  93                 notice( t('Unable to retrieve contact information.') . EOL);
  94                 goaway($_SESSION['return_url']);
  95                 // NOTREACHED
  96         }
  97
  98         $contact = $r[0];
  99         $contact_id  = $r[0]['id'];
 100
 101         require_once("Photo.php");
 102
 103         $photos = import_profile_photo($ret['photo'],local_user(),$contact_id);
 104
 105         $r = q("UPDATE `contact` SET `photo` = '%s',
 106                         `thumb` = '%s',
 107                         `micro` = '%s',
 108                         `name-date` = '%s',
 109                         `uri-date` = '%s',
 110                         `avatar-date` = '%s'
 111                         WHERE `id` = %d LIMIT 1
 112                 ",
 113                         dbesc($photos[0]),
 114                         dbesc($photos[1]),
 115                         dbesc($photos[2]),
 116                         dbesc(datetime_convert()),
 117                         dbesc(datetime_convert()),
 118                         dbesc(datetime_convert()),
 119                         intval($contact_id)
 120                 );
 121
 122
 123         // pull feed and consume it, which should subscribe to the hub.
 124
 125         proc_run('php',"include/poller.php","$contact_id");
 126
 127         // create a follow slap
 128
 129         $tpl = load_view_file('view/follow_slap.tpl');
 130         $slap = replace_macros($tpl, array(
 131                 '$name' => $a->user['username'],
 132                 '$profile_page' => $a->get_baseurl() . '/profile/' . $a->user['nickname'],
 133                 '$photo' => $a->contact['photo'],
 134                 '$thumb' => $a->contact['thumb'],
 135                 '$published' => datetime_convert('UTC','UTC', 'now', ATOM_TIME),
 136                 '$item_id' => 'urn:X-dfrn:' . $a->get_hostname() . ':follow:' . random_string(),
 137                 '$title' => '',
 138                 '$type' => 'text',
 139                 '$content' => t('following'),
 140                 '$nick' => $a->user['nickname'],
 141                 '$verb' => ACTIVITY_FOLLOW,
 142                 '$ostat_follow' => ''
 143         ));
 144
 145         $r = q("SELECT `contact`.*, `user`.* FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
 146                         WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 147                         intval(local_user())
 148         );
 149
 150
 151         if((count($r)) && (x($contact,'notify')) && (strlen($contact['notify']))) {
 152                 require_once('include/salmon.php');
 153                 slapper($r[0],$contact['notify'],$slap);
 154         }
 155
 156         goaway($_SESSION['return_url']);
 157         // NOTREACHED
 158 }