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-rw-r--r--mod/follow.php200
1 files changed, 200 insertions, 0 deletions
diff --git a/mod/follow.php b/mod/follow.php
new file mode 100644
index 000000000..7ac9a50c3
--- /dev/null
+++ b/mod/follow.php
@@ -0,0 +1,200 @@
+<?php
+
+require_once('Scrape.php');
+
+function follow_post(&$a) {
+
+ if(! local_user()) {
+ notice( t('Permission denied.') . EOL);
+ goaway($_SESSION['return_url']);
+ // NOTREACHED
+ }
+
+ $url = notags(trim($_POST['url']));
+
+ if($url) {
+ $links = lrdd($url);
+ if(count($links)) {
+ foreach($links as $link) {
+ if($link['@attributes']['rel'] === NAMESPACE_DFRN)
+ $dfrn = $link['@attributes']['href'];
+ if($link['@attributes']['rel'] === 'salmon')
+ $notify = $link['@attributes']['href'];
+ if($link['@attributes']['rel'] === NAMESPACE_FEED)
+ $poll = $link['@attributes']['href'];
+ if($link['@attributes']['rel'] === 'http://microformats.org/profile/hcard')
+ $hcard = $link['@attributes']['href'];
+ if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
+ $profile = $link['@attributes']['href'];
+
+ }
+ }
+ }
+
+ // If we find a DFRN site, send our subscriber to the other person's
+ // dfrn_request page and all the other details will get sorted.
+
+ if(strlen($dfrn)) {
+ $ret = scrape_dfrn($dfrn);
+ if(is_array($ret) && x($ret,'dfrn-request')) {
+ if(strlen($a->path))
+ $myaddr = urlencode($a->get_baseurl() . '/profile/' . $a->user['nickname']);
+ else
+ $myaddr = urlencode($a->user['nickname'] . '@' . $a->get_hostname());
+
+ goaway($ret['dfrn-request'] . "&address=$myaddr");
+
+ // NOTREACHED
+ }
+ }
+
+ if($hcard) {
+ $vcard = scrape_vcard($hcard);
+ }
+
+ if(! $profile)
+ $profile = $url;
+
+ // do we have enough information?
+
+ if(! x($vcard,'fn'))
+ if(x($vcard,'nick'))
+ $vcard['fn'] = $vcard['nick'];
+
+ if(! ((x($vcard['fn'])) && ($poll) && ($notify) && ($profile))) {
+ notice( t('The profile address specified does not provide adequate information.') . EOL);
+ goaway($_SESSION['return_url']);
+ }
+
+ if(! x($vcard,'photo'))
+ $vcard['photo'] = $a->get_baseurl() . '/images/default-profile.jpg' ;
+
+ // check if we already have a contact
+
+ $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `poll` = '%s' LIMIT 1",
+ intval(local_user()),
+ dbesc($poll)
+ );
+ if($r) {
+ // update contact
+ if($r[0]['rel'] == REL_VIP) {
+ q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d AND `uid` = %d LIMIT 1",
+ intval(REL_BUD),
+ intval($r[0]['id']),
+ intval(local_user())
+ );
+ }
+ }
+ else {
+ // create contact record
+ $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `notify`, `poll`, `name`, `nick`, `photo`, `network`, `rel`,
+ `blocked`, `readonly`, `pending` )
+ VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 0 ) ",
+ intval(local_user()),
+ dbesc(datetime_convert()),
+ dbesc($profile),
+ dbesc($notify),
+ dbesc($poll),
+ dbesc($vcard['fn']),
+ dbesc($vcard['nick']),
+ dbesc($vcard['photo']),
+ dbesc('stat'),
+ intval(REL_FAN)
+ );
+ }
+ $r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
+ dbesc($profile),
+ intval(local_user())
+ );
+ if(! count($r)) {
+ notice( t('Unable to retrieve contact information.') . EOL);
+ goaway($_SESSION['return_url']);
+ // NOTREACHED
+ }
+
+ $contact = $r[0];
+ $contact_id = $r[0]['id'];
+
+ require_once("Photo.php");
+
+ $photo_failure = false;
+
+ $filename = basename($vcard['photo']);
+ $img_str = fetch_url($vcard['photo'],true);
+ $img = new Photo($img_str);
+ if($img->is_valid()) {
+
+ $img->scaleImageSquare(175);
+
+ $hash = photo_new_resource();
+
+ $r = $img->store(local_user(), $contact_id, $hash, $filename, t('Contact Photos'), 4 );
+
+ if($r === false)
+ $photo_failure = true;
+
+ $img->scaleImage(80);
+
+ $r = $img->store(local_user(), $contact_id, $hash, $filename, t('Contact Photos'), 5 );
+
+ if($r === false)
+ $photo_failure = true;
+
+ $photo = $a->get_baseurl() . '/photo/' . $hash . '-4.jpg';
+ $thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.jpg';
+ }
+ else
+ $photo_failure = true;
+
+ if($photo_failure) {
+ $photo = $a->get_baseurl() . '/images/default-profile.jpg';
+ $thumb = $a->get_baseurl() . '/images/default-profile-sm.jpg';
+ }
+
+ $r = q("UPDATE `contact` SET `photo` = '%s',
+ `thumb` = '%s',
+ `name-date` = '%s',
+ `uri-date` = '%s',
+ `avatar-date` = '%s'
+ WHERE `id` = %d LIMIT 1
+ ",
+ dbesc($photo),
+ dbesc($thumb),
+ dbesc(datetime_convert()),
+ dbesc(datetime_convert()),
+ dbesc(datetime_convert()),
+ intval($contact_id)
+ );
+
+
+ // pull feed and consume it, which should subscribe to the hub.
+
+
+ // create a follow slap
+
+ $tpl = load_view_file('view/follow_slap.tpl');
+ $slap = replace_macros($tpl, array(
+ '$name' => $a->user['username'],
+ '$profile_page' => $a->get_baseurl() . '/profile/' . $a->user['nickname'],
+ '$photo' => $a->contact['photo'],
+ '$thumb' => $a->contact['thumb'],
+ '$published' => datetime_convert('UTC','UTC', 'now', ATOM_TIME),
+ '$item_id' => 'urn:X-dfrn:' . $a->get_hostname() . ':follow:' . random_string(),
+ '$title' => '',
+ '$type' => 'text',
+ '$content' => t('following'),
+ '$nick' => $a->user['nickname'],
+ '$verb' => ACTIVITY_FOLLOW
+ ));
+
+ $r = q("SELECT `contact`.*, `user`.* FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
+ WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
+ intval(local_user())
+ );
+
+ require_once('include/salmon.php');
+ slapper($r[0],$contact,$slap);
+
+ goaway($_SESSION['return_url']);
+ // NOTREACHED
+}