bitPickups/friendica_2020-09-1_sharedHosting
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Clean up the Diaspora connectivity:

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- Move Diaspora code into separate functions to make it more modular
- Create more checks for whether Diaspora connectivity has been enabled
This commit is contained in:
Zach Prezkuta 2012-06-09 18:39:21 -06:00
commit 8bb7ab88fb
5 changed files with 216 additions and 129 deletions
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138
mod/like.php
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@ -121,57 +121,16 @@ function like_content(&$a) {
intval($like_item['id'])
);
// Clean up the `sign` table
// Clean up the Diaspora signatures for this like
// Go ahead and do it even if Diaspora support is disabled. We still want to clean up
// if it had been enabled in the past
$r = q("DELETE FROM `sign` WHERE `iid` = %d",
intval($like_item['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 = $like_item['guid'] . ';' . 'Like';
if( $contact['network'] === NETWORK_DIASPORA)
$diaspora_handle = $contact['addr'];
else { // Only works for NETWORK_DFRN
$contact_baseurl_start = strpos($contact['url'],'://') + 3;
$contact_baseurl_length = strpos($contact['url'],'/profile') - $contact_baseurl_start;
$contact_baseurl = substr($contact['url'], $contact_baseurl_start, $contact_baseurl_length);
$diaspora_handle = $contact['nick'] . '@' . $contact_baseurl;
// Get contact's private key if he's a user of the local Friendica server
$r = q("SELECT `contact`.`uid` FROM `contact` WHERE `url` = '%s' AND `self` = 1 LIMIT 1",
dbesc($contact['url'])
);
if( $r) {
$contact_uid = $r['uid'];
$r = q("SELECT prvkey FROM user WHERE uid = %d LIMIT 1",
intval($contact_uid)
);
if( $r)
$authorsig = base64_encode(rsa_sign($signed_text,$r['prvkey'],'sha256'));
}
}
if(! isset($authorsig))
$authorsig = '';
q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($like_item['id']),
dbesc($signed_text),
dbesc($authorsig),
dbesc($diaspora_handle)
);
}
store_diaspora_like_retract_sig($activity, $item, $like_item, $contact);
// proc_run('php',"include/notifier.php","like","$post_id"); // $post_id isn't defined here!
@ -252,10 +211,87 @@ EOT;
// Save the author information for the like in case we need to relay to Diaspora
store_diaspora_like_sig($activity, $item, $like_item, $contact);
$arr['id'] = $post_id;
call_hooks('post_local_end', $arr);
proc_run('php',"include/notifier.php","like","$post_id");
killme();
// return; // NOTREACHED
}
function store_diaspora_like_retract_sig($activity, $item, $like_item, $contact) {
// 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.
$enabled = intval(get_config('system','diaspora_enabled'));
if(! $enabled)
return;
logger('mod_like: storing diaspora like retraction signature');
if(($activity === ACTIVITY_LIKE) && (! $item['resource-id'])) {
$signed_text = $like_item['guid'] . ';' . 'Like';
if( $contact['network'] === NETWORK_DIASPORA)
$diaspora_handle = $contact['addr'];
else { // Only works for NETWORK_DFRN
$contact_baseurl_start = strpos($contact['url'],'://') + 3;
$contact_baseurl_length = strpos($contact['url'],'/profile') - $contact_baseurl_start;
$contact_baseurl = substr($contact['url'], $contact_baseurl_start, $contact_baseurl_length);
$diaspora_handle = $contact['nick'] . '@' . $contact_baseurl;
// Get contact's private key if he's a user of the local Friendica server
$r = q("SELECT `contact`.`uid` FROM `contact` WHERE `url` = '%s' AND `self` = 1 LIMIT 1",
dbesc($contact['url'])
);
if( $r) {
$contact_uid = $r['uid'];
$r = q("SELECT prvkey FROM user WHERE uid = %d LIMIT 1",
intval($contact_uid)
);
if( $r)
$authorsig = base64_encode(rsa_sign($signed_text,$r['prvkey'],'sha256'));
}
}
if(! isset($authorsig))
$authorsig = '';
q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($like_item['id']),
dbesc($signed_text),
dbesc($authorsig),
dbesc($diaspora_handle)
);
}
return;
}
function store_diaspora_like_sig($activity, $post_type, $contact, $post_id) {
// 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
$enabled = intval(get_config('system','diaspora_enabled'));
if(! $enabled)
return;
logger('mod_like: storing diaspora like signature');
if(($activity === ACTIVITY_LIKE) && ($post_type === t('status'))) {
if( $contact['network'] === NETWORK_DIASPORA)
@ -308,13 +344,5 @@ EOT;
}
}
$arr['id'] = $post_id;
call_hooks('post_local_end', $arr);
proc_run('php',"include/notifier.php","like","$post_id");
killme();
// return; // NOTREACHED
return;
}