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Clean up the Diaspora connectivity: 

- 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
parent fad2679c7e
commit 8bb7ab88fb
5 changed files with 216 additions and 129 deletions
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6
include/delivery.php
View File

@ -492,6 +492,9 @@ function delivery_run($argv, $argc){
break;
case NETWORK_DIASPORA :
if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')) || (! $normal_mode))
break;
if($public_message)
$loc = 'public batch ' . $contact['batch'];
else
@ -499,9 +502,6 @@ function delivery_run($argv, $argc){
logger('delivery: diaspora batch deliver: ' . $loc);
if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')) || (! $normal_mode))
break;
if((! $contact['pubkey']) && (! $public_message))
break;

107
include/items.php
View File

@ -383,8 +383,11 @@ function get_atom_elements($feed,$item) {
$res['app'] = 'OStatus';
}
// base64 encoded json structure representing Diaspora signature
// base64 encoded json structure representing Diaspora signature
$dspr_enabled = intval(get_config('system','diaspora_enabled'));
if( $dspr_enabled) {
$dsig = $item->get_item_tags(NAMESPACE_DFRN,'diaspora_signature');
if($dsig) {
$res['dsprsig'] = unxmlify($dsig[0]['data']);
@ -393,6 +396,8 @@ function get_atom_elements($feed,$item) {
$dguid = $item->get_item_tags(NAMESPACE_DFRN,'diaspora_guid');
if($dguid)
$res['guid'] = unxmlify($dguid[0]['data']);
}
$bm = $item->get_item_tags(NAMESPACE_DFRN,'bookmark');
if($bm)
@ -699,13 +704,17 @@ function item_store($arr,$force_parent = false) {
// If a Diaspora signature structure was passed in, pull it out of the
// item array and set it aside for later storage.
$dspr_enabled = intval(get_config('system','diaspora_enabled'));
$dsprsig = null;
if(x($arr,'dsprsig')) {
if($dspr_enabled)
$dsprsig = json_decode(base64_decode($arr['dsprsig']));
unset($arr['dsprsig']);
}
if(x($arr, 'gravity'))
$arr['gravity'] = intval($arr['gravity']);
elseif($arr['parent-uri'] === $arr['uri'])
@ -934,7 +943,9 @@ function item_store($arr,$force_parent = false) {
intval($parent_id)
);
if($dsprsig) {
// Store the Diaspora signature if there is one
if($dspr_enabled && $dsprsig) {
q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($current_post),
dbesc($dsprsig->signed_text),
@ -1008,6 +1019,7 @@ function tag_deliver($uid,$item_id) {
$dlink = normalise_link($a->get_baseurl() . '/u/' . $u[0]['nickname']);
$cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism',$item['body'],$matches,PREG_SET_ORDER);
if($cnt) {
foreach($matches as $mtch) {
@ -2973,6 +2985,8 @@ function atom_entry($item,$type,$author,$owner,$comment = false,$cid = 0) {
if($item['app'])
$o .= '<statusnet:notice_info local_id="' . $item['id'] . '" source="' . xmlify($item['app']) . '" ></statusnet:notice_info>' . "\r\n";
$dspr_enabled = intval(get_config('system','diaspora_enabled'));
if( $dspr_enabled) {
if($item['guid'])
$o .= '<dfrn:diaspora_guid>' . $item['guid'] . '</dfrn:diaspora_guid>' . "\r\n";
@ -2980,6 +2994,7 @@ function atom_entry($item,$type,$author,$owner,$comment = false,$cid = 0) {
$sign = base64_encode(json_encode(array('signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer'])));
$o .= '<dfrn:diaspora_signature>' . xmlify($sign) . '</dfrn:diaspora_signature>' . "\r\n";
}
}
$verb = construct_verb($item);
$o .= '<as:verb>' . xmlify($verb) . '</as:verb>' . "\r\n";
@ -3317,7 +3332,9 @@ function drop_item($id,$interactive = true) {
// ignore the result
}
// clean up item_id and sign meta-data tables
// clean up item_id and sign (Diaspora signature) meta-data tables
// Clean up the sign table even if Diaspora support is disabled. We may still need to
// clean it up if Diaspora support had been enabled in the past
$r = q("DELETE FROM item_id where iid in (select id from item where parent = %d and uid = %d)",
intval($item['id']),
@ -3359,40 +3376,8 @@ function drop_item($id,$interactive = true) {
);
}
// Add a relayable_retraction signature for Diaspora. Note that we can't add a target_author_signature
// if the comment was deleted by a remote user. That should be ok, because if a remote user is deleting
// the comment, that means we're the home of the post, and Diaspora will only
// check the parent_author_signature of retractions that it doesn't have to relay further
//
// I don't think this function gets called for an "unlike," but I'll check anyway
$signed_text = $item['guid'] . ';' . ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
if(local_user() == $item['uid']) {
$handle = $a->user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
$authorsig = base64_encode(rsa_sign($signed_text,$a->user['prvkey'],'sha256'));
}
else {
$r = q("SELECT `nick`, `url` FROM `contact` WHERE `id` = '%d' LIMIT 1",
$item['contact-id']
);
if(count($r)) {
// The below handle only works for NETWORK_DFRN. I think that's ok, because this function
// only handles DFRN deletes
$handle_baseurl_start = strpos($r['url'],'://') + 3;
$handle_baseurl_length = strpos($r['url'],'/profile') - $handle_baseurl_start;
$handle = $r['nick'] . '@' . substr($r['url'], $handle_baseurl_start, $handle_baseurl_length);
$authorsig = '';
}
}
if(isset($handle))
q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($item['id']),
dbesc($signed_text),
dbesc($authorsig),
dbesc($handle)
);
// Add a relayable_retraction signature for Diaspora.
store_diaspora_retract_sig($item, $a->user, $a->get_baseurl());
}
$drop_id = intval($item['id']);
@ -3480,3 +3465,51 @@ function posted_date_widget($url,$uid,$wall) {
));
return $o;
}
function store_diaspora_retract_sig($item, $user, $baseurl) {
// Note that we can't add a target_author_signature
// if the comment was deleted by a remote user. That should be ok, because if a remote user is deleting
// the comment, that means we're the home of the post, and Diaspora will only
// check the parent_author_signature of retractions that it doesn't have to relay further
//
// I don't think this function gets called for an "unlike," but I'll check anyway
$enabled = intval(get_config('system','diaspora_enabled'));
if(! $enabled) {
return;
}
logger('drop_item: storing diaspora retraction signature');
$signed_text = $item['guid'] . ';' . ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
if(local_user() == $item['uid']) {
$handle = $user['nickname'] . '@' . substr($baseurl, strpos($baseurl,'://') + 3);
$authorsig = base64_encode(rsa_sign($signed_text,$user['prvkey'],'sha256'));
}
else {
$r = q("SELECT `nick`, `url` FROM `contact` WHERE `id` = '%d' LIMIT 1",
$item['contact-id']
);
if(count($r)) {
// The below handle only works for NETWORK_DFRN. I think that's ok, because this function
// only handles DFRN deletes
$handle_baseurl_start = strpos($r['url'],'://') + 3;
$handle_baseurl_length = strpos($r['url'],'/profile') - $handle_baseurl_start;
$handle = $r['nick'] . '@' . substr($r['url'], $handle_baseurl_start, $handle_baseurl_length);
$authorsig = '';
}
}
if(isset($handle))
q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($item['id']),
dbesc($signed_text),
dbesc($authorsig),
dbesc($handle)
);
return;
}

10
include/notifier.php
View File

@ -709,11 +709,11 @@ function notifier_run($argv, $argc){
}
break;
case NETWORK_DIASPORA:
require_once('include/diaspora.php');
if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')))
break;
require_once('include/diaspora.php');
if($mail) {
diaspora_send_mail($item,$owner,$contact);
break;
@ -860,13 +860,17 @@ function notifier_run($argv, $argc){
}
// If the item was deleted, clean up the `sign` table
// If the item was deleted, clean up the `sign` table (for Diaspora signatures)
// Do this even if Diaspora support is disabled, as it may have been enabled in
// the past
if($target_item['deleted']) {
$r = q("DELETE FROM sign where `retract_iid` = %d",
intval($target_item['id'])
);
}
logger('notifier: calling hooks', LOGGER_DEBUG);
if($normal_mode)

58
mod/item.php
View File

@ -728,26 +728,13 @@ function item_post(&$a) {
}
// We won't be able to sign Diaspora comments for authenticated visitors - we don't have their private key
if($self) {
require_once('include/bb2diaspora.php');
$signed_body = html_entity_decode(bb2diaspora($datarray['body']));
$myaddr = $a->user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
if($datarray['verb'] === ACTIVITY_LIKE)
$signed_text = $datarray['guid'] . ';' . 'Post' . ';' . $parent_item['guid'] . ';' . 'true' . ';' . $myaddr;
else
$signed_text = $datarray['guid'] . ';' . $parent_item['guid'] . ';' . $signed_body . ';' . $myaddr;
// Store the comment signature information in case we need to relay to Diaspora
// May want to have this run for remote users too, in which case the function needs to be
// expanded
if($self)
store_diaspora_comment_sig($datarray, $a->user, $a->get_baseurl(), $parent_item, $post_id);
$authorsig = base64_encode(rsa_sign($signed_text,$a->user['prvkey'],'sha256'));
q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($post_id),
dbesc($signed_text),
dbesc(base64_encode($authorsig)),
dbesc($myaddr)
);
}
}
else {
$parent = $post_id;
@ -1038,3 +1025,38 @@ function handle_tag($a, &$body, &$inform, &$str_tags, $profile_uid, $tag) {
return array('replaced' => $replaced, 'contact' => $r[0]);
}
function store_diaspora_comment_sig($datarray, $user, $baseurl, $parent_item, $post_id) {
// We won't be able to sign Diaspora comments for authenticated visitors - we don't have their private key
// May want to have this run for remote users too, in which case the function needs to be
// expanded
$enabled = intval(get_config('system','diaspora_enabled'));
if(! $enabled) {
return;
}
logger('mod_item: storing diaspora comment signature');
require_once('include/bb2diaspora.php');
$signed_body = html_entity_decode(bb2diaspora($datarray['body']));
$myaddr = $user['nickname'] . '@' . substr($baseurl, strpos($baseurl,'://') + 3);
if($datarray['verb'] === ACTIVITY_LIKE)
$signed_text = $datarray['guid'] . ';' . 'Post' . ';' . $parent_item['guid'] . ';' . 'true' . ';' . $myaddr;
else
$signed_text = $datarray['guid'] . ';' . $parent_item['guid'] . ';' . $signed_body . ';' . $myaddr;
$authorsig = base64_encode(rsa_sign($signed_text,$user['prvkey'],'sha256'));
q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($post_id),
dbesc($signed_text),
dbesc(base64_encode($authorsig)),
dbesc($myaddr)
);
return;
}

138
mod/like.php
View File

@ -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;
}