bitPickups/friendica_2020-09-1_sharedHosting
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first shot at getting like/unlike functions to work consistently

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This commit is contained in:
Zach Prezkuta 2012-06-02 23:56:42 -06:00
commit cde0de965f
5 changed files with 142 additions and 22 deletions
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113
mod/like.php
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@ -104,6 +104,7 @@ function like_content(&$a) {
return;
}
$r = q("SELECT `id` FROM `item` WHERE `verb` = '%s' AND `deleted` = 0
AND `contact-id` = %d AND ( `parent` = '%s' OR `parent-uri` = '%s') LIMIT 1",
dbesc($activity),
@ -118,7 +119,58 @@ function like_content(&$a) {
intval($r[0]['id'])
);
proc_run('php',"include/notifier.php","like","$post_id");
// Clean up the `sign` table
$r2 = q("DELETE FROM `sign` WHERE `iid` = %d",
intval($r[0]['id'])
);
// Save the author information for the unlike in case we need to relay to Diaspora
// Note that we can only create a signature for a user of the local server. We don't have
// a key for remote users. That is ok, because if a remote user is "unlike"ing a post, it
// means we are the relay, and for relayable_retractions, Diaspora
// only checks the parent_author_signature if it doesn't have to relay further
//
// If $item['resource-id'] exists, it means the item is a photo. Diaspora doesn't support
// likes on photos, so don't bother.
if(($activity === ACTIVITY_LIKE) && (! $item['resource-id'])) {
$signed_text = $r[0]['guid'] . ';' . 'Like';
if( contact['network'] === NETWORK_DIASPORA)
$diaspora_handle = $contact['addr'];
else { // Only works for NETWORK_DFRN
$contact_baseurl = substr($contact['url'], strpos($contact['url'],'://') + 3, strpos($contact['url'],'/profile') - 1);
$diaspora_handle = $contact['nick'] . '@' . $contact_baseurl;
// Get contact's private key if he's a user of the local Friendica server
$r2 = q("SELECT `contact`.`uid` FROM `contact` WHERE `url` = '%s' AND `self` = 1 LIMIT 1",
dbesc(contact['url'])
);
if( $r2) {
$contact_uid = $r2['uid'];
$r2 = q("SELECT prvkey FROM user WHERE id = %d LIMIT 1",
intval($contact_uid)
);
if( $r2)
$authorsig = base64_encode(rsa_sign($signed_text,$r2['prvkey'],'sha256'));
}
}
if(! isset($authorsig))
$authorsig = '';
q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($r[0]['id']),
dbesc($signed_text),
dbesc($authorsig),
dbesc($diaspora_handle)
);
}
// proc_run('php',"include/notifier.php","like","$post_id"); // $post_id isn't defined here!
proc_run('php',"include/notifier.php","like","$r[0]['id']");
return;
}
@ -191,6 +243,63 @@ EOT;
);
}
// Save the author information for the like in case we need to relay to Diaspora
// Note that we can only create a signature for a user of the local server. We don't have
// a key for remote users. That is ok, because if a remote user is "unlike"ing a post, it
// means we are the relay, and for relayable_retractions, Diaspora
// only checks the parent_author_signature if it doesn't have to relay further
if(($activity === ACTIVITY_LIKE) && ($post_type === t('status'))) {
if( contact['network'] === NETWORK_DIASPORA)
$diaspora_handle = $contact['addr'];
else { // Only works for NETWORK_DFRN
$contact_baseurl = substr($contact['url'], strpos($contact['url'],'://') + 3, strpos($contact['url'],'/profile') - 1);
$diaspora_handle = $contact['nick'] . '@' . $contact_baseurl;
// Get contact's private key if he's a user of the local Friendica server
$r2 = q("SELECT `contact`.`uid` FROM `contact` WHERE `url` = '%s' AND `self` = 1 LIMIT 1",
dbesc(contact['url'])
);
if( $r2) {
$contact_uid = $r2['uid'];
$r2 = q("SELECT prvkey FROM user WHERE id = %d LIMIT 1",
intval($contact_uid)
);
if( $r2)
$contact_uprvkey = $r2['prvkey'];
}
}
$r = q("SELECT guid, parent FROM `item` WHERE id = %d LIMIT 1",
intval($post_id)
);
if( $r) {
$p = q("SELECT guid FROM `item` WHERE id = %d AND parent = %d LIMIT 1",
intval($r[0]['parent'),
intval($r[0]['parent')
);
if( $p) {
$signed_text = $r[0]['guid'] . ';Post;' . $p[0]['guid'] . ';true;' . $diaspora_handle;
if(isset($contact_uprvkey))
$authorsig = base64_encode(rsa_sign($signed_text,$contact_uprvkey,'sha256'));
else
$authorsig = '';
q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($post_id),
dbesc($signed_text),
dbesc($authorsig),
dbesc($diaspora_handle)
);
}
}
}
$arr['id'] = $post_id;
call_hooks('post_local_end', $arr);
@ -199,4 +308,4 @@ EOT;
killme();
// return; // NOTREACHED
}
}