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         // remove ajax junk
  16
  17         $url = str_replace('/#!/','/',$url);
  18
  19         if(! allowed_url($url)) {
  20                 notice( t('Disallowed profile URL.') . EOL);
  21                 goaway($_SESSION['return_url']);
  22                 // NOTREACHED
  23         }
  24
  25
  26         $ret = probe_url($url);
  27
  28
  29         if($ret['network'] === NETWORK_DFRN) {
  30                 if(strlen($a->path))
  31                         $myaddr = bin2hex($a->get_baseurl() . '/profile/' . $a->user['nickname']);
  32                 else
  33                         $myaddr = bin2hex($a->user['nickname'] . '@' . $a->get_hostname());
  34
  35                 goaway($ret['request'] . "&addr=$myaddr");
  36
  37                 // NOTREACHED
  38         }
  39
  40         // do we have enough information?
  41
  42         if(! ((x($ret,'name')) && (x($ret,'poll')) && ((x($ret,'url')) || (x($ret,'addr'))))) {
  43                 notice( t('The profile address specified does not provide adequate information.') . EOL);
  44                 goaway($_SESSION['return_url']);
  45         }
  46
  47
  48         if(! $ret['notify']) {
  49                 notice( t('Limited profile. This person will be unable to receive direct/personal notifications from you.') . EOL);
  50         }
  51
  52         $writeable = ((($ret['network'] === NETWORK_OSTATUS) && ($ret['notify'])) ? 1 : 0);
  53         if($ret['network'] === NETWORK_MAIL) {
  54                 $writeable = 1;
  55
  56         }
  57         // check if we already have a contact
  58         // the poll url is more reliable than the profile url, as we may have
  59         // indirect links or webfinger links
  60
  61         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `poll` = '%s' LIMIT 1",
  62                 intval(local_user()),
  63                 dbesc($ret['poll'])
  64         );
  65
  66         if(count($r)) {
  67                 // update contact
  68                 if($r[0]['rel'] == REL_VIP) {
  69                         q("UPDATE `contact` SET `rel` = %d , `readonly` = 0 WHERE `id` = %d AND `uid` = %d LIMIT 1",
  70                                 intval(REL_BUD),
  71                                 intval($r[0]['id']),
  72                                 intval(local_user())
  73                         );
  74                 }
  75         }
  76         else {
  77                 // create contact record
  78                 $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `addr`, `alias`, `notify`, `poll`, `name`, `nick`, `photo`, `network`, `rel`, `priority`,
  79                         `writable`, `blocked`, `readonly`, `pending` )
  80                         VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, 0, 0, 0 ) ",
  81                         intval(local_user()),
  82                         dbesc(datetime_convert()),
  83                         dbesc($ret['url']),
  84                         dbesc($ret['addr']),
  85                         dbesc($ret['alias']),
  86                         dbesc($ret['notify']),
  87                         dbesc($ret['poll']),
  88                         dbesc($ret['name']),
  89                         dbesc($ret['nick']),
  90                         dbesc($ret['photo']),
  91                         dbesc($ret['network']),
  92                         intval(($ret['network'] === NETWORK_MAIL) ? REL_BUD : REL_FAN),
  93                         intval($ret['priority']),
  94                         intval($writeable)
  95                 );
  96         }
  97
  98         $r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
  99                 dbesc($ret['url']),
 100                 intval(local_user())
 101         );
 102
 103         if(! count($r)) {
 104                 notice( t('Unable to retrieve contact information.') . EOL);
 105                 goaway($_SESSION['return_url']);
 106                 // NOTREACHED
 107         }
 108
 109         $contact = $r[0];
 110         $contact_id  = $r[0]['id'];
 111
 112         require_once("Photo.php");
 113
 114         $photos = import_profile_photo($ret['photo'],local_user(),$contact_id);
 115
 116         $r = q("UPDATE `contact` SET `photo` = '%s',
 117                         `thumb` = '%s',
 118                         `micro` = '%s',
 119                         `name-date` = '%s',
 120                         `uri-date` = '%s',
 121                         `avatar-date` = '%s'
 122                         WHERE `id` = %d LIMIT 1
 123                 ",
 124                         dbesc($photos[0]),
 125                         dbesc($photos[1]),
 126                         dbesc($photos[2]),
 127                         dbesc(datetime_convert()),
 128                         dbesc(datetime_convert()),
 129                         dbesc(datetime_convert()),
 130                         intval($contact_id)
 131                 );
 132
 133
 134         // pull feed and consume it, which should subscribe to the hub.
 135
 136         proc_run('php',"include/poller.php","$contact_id");
 137
 138         // create a follow slap
 139
 140         $tpl = get_markup_template('follow_slap.tpl');
 141         $slap = replace_macros($tpl, array(
 142                 '$name' => $a->user['username'],
 143                 '$profile_page' => $a->get_baseurl() . '/profile/' . $a->user['nickname'],
 144                 '$photo' => $a->contact['photo'],
 145                 '$thumb' => $a->contact['thumb'],
 146                 '$published' => datetime_convert('UTC','UTC', 'now', ATOM_TIME),
 147                 '$item_id' => 'urn:X-dfrn:' . $a->get_hostname() . ':follow:' . random_string(),
 148                 '$title' => '',
 149                 '$type' => 'text',
 150                 '$content' => t('following'),
 151                 '$nick' => $a->user['nickname'],
 152                 '$verb' => ACTIVITY_FOLLOW,
 153                 '$ostat_follow' => ''
 154         ));
 155
 156         $r = q("SELECT `contact`.*, `user`.* FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
 157                         WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 158                         intval(local_user())
 159         );
 160
 161
 162         if((count($r)) && (x($contact,'notify')) && (strlen($contact['notify']))) {
 163                 require_once('include/salmon.php');
 164                 slapper($r[0],$contact['notify'],$slap);
 165         }
 166
 167         goaway($_SESSION['return_url']);
 168         // NOTREACHED
 169 }