require_once('include/bb2diaspora.php');
require_once('include/contact_selectors.php');
require_once('include/queue_fn.php');
+require_once('include/lock.php');
function diaspora_dispatch_public($msg) {
$ret = diaspora_request($importer,$xmlbase->request);
}
elseif($xmlbase->status_message) {
- $ret = diaspora_post($importer,$xmlbase->status_message);
+ $ret = diaspora_post($importer,$xmlbase->status_message,$msg);
}
elseif($xmlbase->profile) {
- $ret = diaspora_profile($importer,$xmlbase->profile);
+ $ret = diaspora_profile($importer,$xmlbase->profile,$msg);
}
elseif($xmlbase->comment) {
$ret = diaspora_comment($importer,$xmlbase->comment,$msg);
$ret = diaspora_like($importer,$xmlbase->like,$msg);
}
elseif($xmlbase->asphoto) {
- $ret = diaspora_asphoto($importer,$xmlbase->asphoto);
+ $ret = diaspora_asphoto($importer,$xmlbase->asphoto,$msg);
}
elseif($xmlbase->reshare) {
- $ret = diaspora_reshare($importer,$xmlbase->reshare);
+ $ret = diaspora_reshare($importer,$xmlbase->reshare,$msg);
}
elseif($xmlbase->retraction) {
$ret = diaspora_retraction($importer,$xmlbase->retraction,$msg);
return $ret;
}
+function diaspora_handle_from_contact($contact_id) {
+ $handle = False;
+
+ logger("diaspora_handle_from_contact: contact id is " . $contact_id, LOGGER_DEBUG);
+
+ $r = q("SELECT network, addr, self, url, nick FROM contact WHERE id = %d",
+ intval($contact_id)
+ );
+ if($r) {
+ $contact = $r[0];
+
+ logger("diaspora_handle_from_contact: contact 'self' = " . $contact['self'] . " 'url' = " . $contact['url'], LOGGER_DEBUG);
+
+ if($contact['network'] === NETWORK_DIASPORA) {
+ $handle = $contact['addr'];
+
+// logger("diaspora_handle_from_contact: contact id is a Diaspora person, handle = " . $handle, LOGGER_DEBUG);
+ }
+ elseif(($contact['network'] === NETWORK_DFRN) || ($contact['self'] == 1)) {
+ $baseurl_start = strpos($contact['url'],'://') + 3;
+ $baseurl_length = strpos($contact['url'],'/profile') - $baseurl_start; // allows installations in a subdirectory--not sure how Diaspora will handle
+ $baseurl = substr($contact['url'], $baseurl_start, $baseurl_length);
+ $handle = $contact['nick'] . '@' . $baseurl;
+
+// logger("diaspora_handle_from_contact: contact id is a DFRN person, handle = " . $handle, LOGGER_DEBUG);
+ }
+ }
+
+ return $handle;
+}
+
function diaspora_get_contact_by_handle($uid,$handle) {
$r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `addr` = '%s' LIMIT 1",
dbesc(NETWORK_DIASPORA),
}
function find_diaspora_person_by_handle($handle) {
+
+ $person = false;
$update = false;
- $r = q("select * from fcontact where network = '%s' and addr = '%s' limit 1",
- dbesc(NETWORK_DIASPORA),
- dbesc($handle)
- );
- if(count($r)) {
- logger('find_diaspora_person_by handle: in cache ' . print_r($r,true), LOGGER_DEBUG);
- // update record occasionally so it doesn't get stale
- $d = strtotime($r[0]['updated'] . ' +00:00');
- if($d > strtotime('now - 14 days'))
- return $r[0];
- $update = true;
- }
- logger('find_diaspora_person_by_handle: refresh',LOGGER_DEBUG);
- require_once('include/Scrape.php');
- $r = probe_url($handle, PROBE_DIASPORA);
- if((count($r)) && ($r['network'] === NETWORK_DIASPORA)) {
- add_fcontact($r,$update);
- return ($r);
- }
- return false;
+ $got_lock = false;
+
+ $endlessloop = 0;
+ $maxloops = 10;
+
+ do {
+ $r = q("select * from fcontact where network = '%s' and addr = '%s' limit 1",
+ dbesc(NETWORK_DIASPORA),
+ dbesc($handle)
+ );
+ if(count($r)) {
+ $person = $r[0];
+ logger('find_diaspora_person_by handle: in cache ' . print_r($r,true), LOGGER_DEBUG);
+
+ // update record occasionally so it doesn't get stale
+ $d = strtotime($person['updated'] . ' +00:00');
+ if($d < strtotime('now - 14 days'))
+ $update = true;
+ }
+
+
+ // FETCHING PERSON INFORMATION FROM REMOTE SERVER
+ //
+ // If the person isn't in our 'fcontact' table, or if he/she is but
+ // his/her information hasn't been updated for more than 14 days, then
+ // we want to fetch the person's information from the remote server.
+ //
+ // Note that $person isn't changed by this block of code unless the
+ // person's information has been successfully fetched from the remote
+ // server. So if $person was 'false' to begin with (because he/she wasn't
+ // in the local cache), it'll stay false, and if $person held the local
+ // cache information to begin with, it'll keep that information. That way
+ // if there's a problem with the remote fetch, we can at least use our
+ // cached information--it's better than nothing.
+
+ if((! $person) || ($update)) {
+ // Lock the function to prevent race conditions if multiple items
+ // come in at the same time from a person who doesn't exist in
+ // fcontact
+ //
+ // Don't loop forever. On the last loop, try to create the contact
+ // whether the function is locked or not. Maybe the locking thread
+ // has died or something. At any rate, a duplicate in 'fcontact'
+ // is a much smaller problem than a deadlocked thread
+ $got_lock = lock_function('find_diaspora_person_by_handle', false);
+ if(($endlessloop + 1) >= $maxloops)
+ $got_lock = true;
+
+ if($got_lock) {
+ logger('find_diaspora_person_by_handle: create or refresh', LOGGER_DEBUG);
+ require_once('include/Scrape.php');
+ $r = probe_url($handle, PROBE_DIASPORA);
+
+ // Note that Friendica contacts can return a "Diaspora person"
+ // if Diaspora connectivity is enabled on their server
+ if((count($r)) && ($r['network'] === NETWORK_DIASPORA)) {
+ add_fcontact($r,$update);
+ $person = ($r);
+ }
+
+ unlock_function('find_diaspora_person_by_handle');
+ }
+ else {
+ logger('find_diaspora_person_by_handle: couldn\'t lock function', LOGGER_DEBUG);
+ if(! $person)
+ block_on_function_lock('find_diaspora_person_by_handle');
+ }
+ }
+ } while((! $person) && (! $got_lock) && (++$endlessloop < $maxloops));
+ // We need to try again if the person wasn't in 'fcontact' but the function was locked.
+ // The fact that the function was locked may mean that another process was creating the
+ // person's record. It could also mean another process was creating or updating an unrelated
+ // person.
+ //
+ // At any rate, we need to keep trying until we've either got the person or had a chance to
+ // try to fetch his/her remote information. But we don't want to block on locking the
+ // function, because if the other process is creating the record, then when we acquire the lock
+ // we'll dive right into creating another, duplicate record. We DO want to at least wait
+ // until the lock is released, so we don't flood the database with requests.
+ //
+ // If the person was in the 'fcontact' table, don't try again. It's not worth the time, since
+ // we do have some information for the person
+
+ return $person;
}
}
-function diaspora_post($importer,$xml) {
+function diaspora_post($importer,$xml,$msg) {
$a = get_app();
$guid = notags(unxmlify($xml->guid));
$diaspora_handle = notags(unxmlify($xml->diaspora_handle));
+ if($diaspora_handle != $msg['author']) {
+ logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
+ return 202;
+ }
+
$contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
if(! $contact)
return;
return;
}
- // allocate a guid on our system - we aren't fixing any collisions.
+ // allocate a guid on our system - we aren't fixing any collisions.
// we're ignoring them
$g = q("select * from guid where guid = '%s' limit 1",
}
-function diaspora_reshare($importer,$xml) {
+function diaspora_reshare($importer,$xml,$msg) {
logger('diaspora_reshare: init: ' . print_r($xml,true));
$diaspora_handle = notags(unxmlify($xml->diaspora_handle));
+ if($diaspora_handle != $msg['author']) {
+ logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
+ return 202;
+ }
+
$contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
if(! $contact)
return;
else
$details = $orig_author;
- $prefix = '♲ ' . $details . "\n";
+ $prefix = html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . $details . "\n";
- // allocate a guid on our system - we aren't fixing any collisions.
+ // allocate a guid on our system - we aren't fixing any collisions.
// we're ignoring them
$g = q("select * from guid where guid = '%s' limit 1",
}
-function diaspora_asphoto($importer,$xml) {
+function diaspora_asphoto($importer,$xml,$msg) {
logger('diaspora_asphoto called');
$a = get_app();
$guid = notags(unxmlify($xml->guid));
$diaspora_handle = notags(unxmlify($xml->diaspora_handle));
+ if($diaspora_handle != $msg['author']) {
+ logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
+ return 202;
+ }
+
$contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
if(! $contact)
return;
return;
}
- // allocate a guid on our system - we aren't fixing any collisions.
+ // allocate a guid on our system - we aren't fixing any collisions.
// we're ignoring them
$g = q("select * from guid where guid = '%s' limit 1",
}
$parent_item = $r[0];
- $author_signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
-
- $author_signature = base64_decode($author_signature);
- if(strcasecmp($diaspora_handle,$msg['author']) == 0) {
- $person = $contact;
- $key = $msg['key'];
- }
- else {
- $person = find_diaspora_person_by_handle($diaspora_handle);
+ /* How Diaspora performs comment signature checking:
- if(is_array($person) && x($person,'pubkey'))
- $key = $person['pubkey'];
- else {
- logger('diaspora_comment: unable to find author details');
- return;
- }
- }
+ - If an item has been sent by the comment author to the top-level post owner to relay on
+ to the rest of the contacts on the top-level post, the top-level post owner should check
+ the author_signature, then create a parent_author_signature before relaying the comment on
+ - If an item has been relayed on by the top-level post owner, the contacts who receive it
+ check only the parent_author_signature. Basically, they trust that the top-level post
+ owner has already verified the authenticity of anything he/she sends out
+ - In either case, the signature that get checked is the signature created by the person
+ who sent the salmon
+ */
- if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
- logger('diaspora_comment: verification failed.');
- return;
- }
+ $signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
+ $key = $msg['key'];
if($parent_author_signature) {
- $owner_signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
+ // If a parent_author_signature exists, then we've received the comment
+ // relayed from the top-level post owner. There's no need to check the
+ // author_signature if the parent_author_signature is valid
$parent_author_signature = base64_decode($parent_author_signature);
- $key = $msg['key'];
+ if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
+ logger('diaspora_comment: top-level owner verification failed.');
+ return;
+ }
+ }
+ else {
+ // If there's no parent_author_signature, then we've received the comment
+ // from the comment creator. In that case, the person is commenting on
+ // our post, so he/she must be a contact of ours and his/her public key
+ // should be in $msg['key']
+
+ $author_signature = base64_decode($author_signature);
- if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
- logger('diaspora_comment: owner verification failed.');
+ if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
+ logger('diaspora_comment: comment author verification failed.');
return;
}
}
// Phew! Everything checks out. Now create an item.
+ // Find the original comment author information.
+ // We need this to make sure we display the comment author
+ // information (name and avatar) correctly.
+ if(strcasecmp($diaspora_handle,$msg['author']) == 0)
+ $person = $contact;
+ else {
+ $person = find_diaspora_person_by_handle($diaspora_handle);
+
+ if(! is_array($person)) {
+ logger('diaspora_comment: unable to find author details');
+ return;
+ }
+ }
+
$body = diaspora2bb($text);
$message_id = $diaspora_handle . ':' . $guid;
$datarray['uid'] = $importer['uid'];
$datarray['contact-id'] = $contact['id'];
+ $datarray['type'] = 'remote-comment';
$datarray['wall'] = $parent_item['wall'];
$datarray['gravity'] = GRAVITY_COMMENT;
$datarray['guid'] = $guid;
if(($parent_item['origin']) && (! $parent_author_signature)) {
q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($message_id),
- dbesc($author_signed_data),
+ dbesc($signed_data),
dbesc(base64_encode($author_signature)),
dbesc($diaspora_handle)
);
// the existence of parent_author_signature means the parent_author or owner
// is already relaying.
- proc_run('php','include/notifier.php','comment',$message_id);
+ proc_run('php','include/notifier.php','comment-import',$message_id);
}
$myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0 ",
'verb' => ACTIVITY_POST,
'otype' => 'item',
'parent' => $conv_parent,
-
+ 'parent_uri' => $parent_uri
));
// only send one notification
$link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
- $link_text = scale_external_images($link_text);
+ $link_text = scale_external_images($link_text, true,
+ array($remote_photo_name, 'scaled_full_' . $remote_photo_name));
if(strpos($parent_item['body'],$link_text) === false) {
$r = q("update item set `body` = '%s', `visible` = 1 where `id` = %d and `uid` = %d limit 1",
// likes on comments not supported here and likes on photos not supported by Diaspora
- if($target_type !== 'Post')
- return;
+// if($target_type !== 'Post')
+// return;
$contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
if(! $contact) {
logger('diaspora_like: duplicate like: ' . $guid);
return;
}
+ // Note: I don't think "Like" objects with positive = "false" are ever actually used
+ // It looks like "RelayableRetractions" are used for "unlike" instead
if($positive === 'false') {
- q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d LIMIT 1",
+ logger('diaspora_like: received a like with positive set to "false"...ignoring');
+/* q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($r[0]['id']),
intval($importer['uid'])
- );
- // FIXME
+ );*/
+ // FIXME--actually don't unless it turns out that Diaspora does indeed send out "false" likes
// send notification via proc_run()
return;
}
}
+ // Note: I don't think "Like" objects with positive = "false" are ever actually used
+ // It looks like "RelayableRetractions" are used for "unlike" instead
if($positive === 'false') {
- logger('diaspora_like: unlike received with no corresponding like');
+ logger('diaspora_like: received a like with positive set to "false"');
+ logger('diaspora_like: unlike received with no corresponding like...ignoring');
return;
}
- $author_signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
- $author_signature = base64_decode($author_signature);
+ /* How Diaspora performs "like" signature checking:
- if(strcasecmp($diaspora_handle,$msg['author']) == 0) {
- $person = $contact;
- $key = $msg['key'];
- }
- else {
- $person = find_diaspora_person_by_handle($diaspora_handle);
- if(is_array($person) && x($person,'pubkey'))
- $key = $person['pubkey'];
- else {
- logger('diaspora_like: unable to find author details');
- return;
- }
- }
+ - If an item has been sent by the like author to the top-level post owner to relay on
+ to the rest of the contacts on the top-level post, the top-level post owner should check
+ the author_signature, then create a parent_author_signature before relaying the like on
+ - If an item has been relayed on by the top-level post owner, the contacts who receive it
+ check only the parent_author_signature. Basically, they trust that the top-level post
+ owner has already verified the authenticity of anything he/she sends out
+ - In either case, the signature that get checked is the signature created by the person
+ who sent the salmon
+ */
- if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
- logger('diaspora_like: verification failed.');
- return;
- }
+ $signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
+ $key = $msg['key'];
if($parent_author_signature) {
-
- $owner_signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
+ // If a parent_author_signature exists, then we've received the like
+ // relayed from the top-level post owner. There's no need to check the
+ // author_signature if the parent_author_signature is valid
$parent_author_signature = base64_decode($parent_author_signature);
- $key = $msg['key'];
+ if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
+ logger('diaspora_like: top-level owner verification failed.');
+ return;
+ }
+ }
+ else {
+ // If there's no parent_author_signature, then we've received the like
+ // from the like creator. In that case, the person is "like"ing
+ // our post, so he/she must be a contact of ours and his/her public key
+ // should be in $msg['key']
+
+ $author_signature = base64_decode($author_signature);
- if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
- logger('diaspora_like: owner verification failed.');
+ if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
+ logger('diaspora_like: like creator verification failed.');
return;
}
}
// Phew! Everything checks out. Now create an item.
+ // Find the original comment author information.
+ // We need this to make sure we display the comment author
+ // information (name and avatar) correctly.
+ if(strcasecmp($diaspora_handle,$msg['author']) == 0)
+ $person = $contact;
+ else {
+ $person = find_diaspora_person_by_handle($diaspora_handle);
+
+ if(! is_array($person)) {
+ logger('diaspora_like: unable to find author details');
+ return;
+ }
+ }
+
$uri = $diaspora_handle . ':' . $guid;
$activity = ACTIVITY_LIKE;
if(! $parent_author_signature) {
q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($message_id),
- dbesc($author_signed_data),
+ dbesc($signed_data),
dbesc(base64_encode($author_signature)),
dbesc($diaspora_handle)
);
// is already relaying. The parent_item['origin'] indicates the message was created on our system
if(($parent_item['origin']) && (! $parent_author_signature))
- proc_run('php','include/notifier.php','comment',$message_id);
+ proc_run('php','include/notifier.php','comment-import',$message_id);
return;
}
$signed_data = $guid . ';' . $type ;
+ $key = $msg['key'];
- $sig = base64_decode($sig);
+ /* How Diaspora performs relayable_retraction signature checking:
- if(strcasecmp($diaspora_handle,$msg['author']) == 0) {
- $person = $contact;
- $key = $msg['key'];
- }
- else {
- $person = find_diaspora_person_by_handle($diaspora_handle);
+ - If an item has been sent by the item author to the top-level post owner to relay on
+ to the rest of the contacts on the top-level post, the top-level post owner checks
+ the author_signature, then creates a parent_author_signature before relaying the item on
+ - If an item has been relayed on by the top-level post owner, the contacts who receive it
+ check only the parent_author_signature. Basically, they trust that the top-level post
+ owner has already verified the authenticity of anything he/she sends out
+ - In either case, the signature that get checked is the signature created by the person
+ who sent the salmon
+ */
- if(is_array($person) && x($person,'pubkey'))
- $key = $person['pubkey'];
- else {
- logger('diaspora_signed_retraction: unable to find author details');
+ if($parent_author_signature) {
+
+ $parent_author_signature = base64_decode($parent_author_signature);
+
+ if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
+ logger('diaspora_signed_retraction: top-level post owner verification failed');
return;
}
- }
- if(! rsa_verify($signed_data,$sig,$key,'sha256')) {
- logger('diaspora_signed_retraction: retraction-owner verification failed.' . print_r($msg,true));
- return;
}
+ else {
- if($parent_author_signature) {
- $owner_signed_data = $guid . ';' . $type ;
-
- $parent_author_signature = base64_decode($parent_author_signature);
-
- $key = $msg['key'];
+ $sig_decode = base64_decode($sig);
- if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
- logger('diaspora_signed_retraction: failed to verify person relaying the retraction (e.g. owner of a post relaying a retracted comment');
+ if(! rsa_verify($signed_data,$sig_decode,$key,'sha256')) {
+ logger('diaspora_signed_retraction: retraction owner verification failed.' . print_r($msg,true));
return;
}
}
- if($type === 'StatusMessage' || $type === 'Comment') {
+ if($type === 'StatusMessage' || $type === 'Comment' || $type === 'Like') {
$r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
dbesc($guid),
intval($importer['uid'])
);
if(count($r)) {
if(link_compare($r[0]['author-link'],$contact['url'])) {
- q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d limit 1",
+ q("update item set `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' where `id` = %d limit 1",
+ dbesc(datetime_convert()),
dbesc(datetime_convert()),
intval($r[0]['id'])
);
+
+ // Now check if the retraction needs to be relayed by us
+ //
+ // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
+ // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
+ // The only item with `parent` and `id` as the parent id is the parent item.
+ $p = q("select origin from item where parent = %d and id = %d limit 1",
+ $r[0]['parent'],
+ $r[0]['parent']
+ );
+ if(count($p)) {
+ if(($p[0]['origin']) && (! $parent_author_signature)) {
+ q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
+ $r[0]['id'],
+ dbesc($signed_data),
+ dbesc($sig),
+ dbesc($diaspora_handle)
+ );
+
+ // the existence of parent_author_signature would have meant the parent_author or owner
+ // is already relaying.
+ logger('diaspora_signed_retraction: relaying relayable_retraction');
+
+ proc_run('php','include/notifier.php','drop',$r[0]['id']);
+ }
+ }
}
}
}
// NOTREACHED
}
-function diaspora_profile($importer,$xml) {
+function diaspora_profile($importer,$xml,$msg) {
$a = get_app();
$diaspora_handle = notags(unxmlify($xml->diaspora_handle));
+
+ if($diaspora_handle != $msg['author']) {
+ logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
+ return 202;
+ }
+
$contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
if(! $contact)
return;
));
$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
+ //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
return(diaspora_transmit($owner,$contact,$slap, false));
}
));
$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
+ //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
return(diaspora_transmit($owner,$contact,$slap, false));
}
-
function diaspora_send_status($item,$owner,$contact,$public_batch = false) {
$a = get_app();
$images[] = $detail;
$body = str_replace($detail['str'],$mtch[1],$body);
}
- }
+ }
*/
+
+ //if(strlen($title))
+ // $body = "[b]".html_entity_decode($title)."[/b]\n\n".$body;
+
+ // convert to markdown
$body = xmlify(html_entity_decode(bb2diaspora($body)));
+ //$body = bb2diaspora($body);
+ // Adding the title
if(strlen($title))
- $body = xmlify('**' . html_entity_decode($title) . '**' . "\n") . $body;
-
+ $body = "## ".html_entity_decode($title)."\n\n".$body;
if($item['attach']) {
$cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism',$item['attach'],$matches,PREG_SET_ORDER);
logger('diaspora_send_status: ' . $owner['username'] . ' -> ' . $contact['name'] . ' base message: ' . $msg, LOGGER_DATA);
$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
+ //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
$return_code = diaspora_transmit($owner,$contact,$slap,$public_batch);
logger('diaspora_send_photo: base message: ' . $msg, LOGGER_DATA);
$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
+ //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
diaspora_transmit($owner,$contact,$slap,$public_batch);
}
$a = get_app();
$myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
- $theiraddr = $contact['addr'];
-
- // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
- // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
- // The only item with `parent` and `id` as the parent id is the parent item.
- $p = q("select guid from item where parent = %d and id = %d limit 1",
- intval($item['parent']),
- intval($item['parent'])
- );
+// $theiraddr = $contact['addr'];
+
+ // Diaspora doesn't support threaded comments
+ /*if($item['thr-parent']) {
+ $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
+ dbesc($item['thr-parent'])
+ );
+ }
+ else {*/
+ // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
+ // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
+ // The only item with `parent` and `id` as the parent id is the parent item.
+ $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
+ intval($item['parent']),
+ intval($item['parent'])
+ );
+ //}
if(count($p))
- $parent_guid = $p[0]['guid'];
+ $parent = $p[0];
else
return;
if($item['verb'] === ACTIVITY_LIKE) {
$tpl = get_markup_template('diaspora_like.tpl');
$like = true;
- $target_type = 'Post';
- $positive = (($item['deleted']) ? 'false' : 'true');
+ $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
+// $target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post');
+// $positive = (($item['deleted']) ? 'false' : 'true');
+ $positive = 'true';
+
+ if(($item['deleted']))
+ logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction');
}
else {
$tpl = get_markup_template('diaspora_comment.tpl');
// sign it
if($like)
- $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $myaddr;
+ $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $myaddr;
else
- $signed_text = $item['guid'] . ';' . $parent_guid . ';' . $text . ';' . $myaddr;
+ $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $myaddr;
$authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
$msg = replace_macros($tpl,array(
'$guid' => xmlify($item['guid']),
- '$parent_guid' => xmlify($parent_guid),
+ '$parent_guid' => xmlify($parent['guid']),
'$target_type' =>xmlify($target_type),
'$authorsig' => xmlify($authorsig),
'$body' => xmlify($text),
logger('diaspora_followup: base message: ' . $msg, LOGGER_DATA);
$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
+ //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
return(diaspora_transmit($owner,$contact,$slap,$public_batch));
}
$a = get_app();
- $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
- $theiraddr = $contact['addr'];
+ $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
+// $theiraddr = $contact['addr'];
+ $body = $item['body'];
+ $text = html_entity_decode(bb2diaspora($body));
- // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
- // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
- // The only item with `parent` and `id` as the parent id is the parent item.
- $p = q("select guid from item where parent = %d and id = %d limit 1",
- intval($item['parent']),
- intval($item['parent'])
- );
+ // Diaspora doesn't support threaded comments
+ /*if($item['thr-parent']) {
+ $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
+ dbesc($item['thr-parent'])
+ );
+ }
+ else {*/
+ // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
+ // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
+ // The only item with `parent` and `id` as the parent id is the parent item.
+ $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
+ intval($item['parent']),
+ intval($item['parent'])
+ );
+ //}
if(count($p))
- $parent_guid = $p[0]['guid'];
+ $parent = $p[0];
else
return;
- if($item['verb'] === ACTIVITY_LIKE) {
- $tpl = get_markup_template('diaspora_like_relay.tpl');
+ $like = false;
+ $relay_retract = false;
+ $sql_sign_id = 'iid';
+ if( $item['deleted']) {
+ $relay_retract = true;
+
+ $target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
+
+ $sql_sign_id = 'retract_iid';
+ $tpl = get_markup_template('diaspora_relayable_retraction.tpl');
+ }
+ elseif($item['verb'] === ACTIVITY_LIKE) {
$like = true;
- $target_type = 'Post';
- $positive = (($item['deleted']) ? 'false' : 'true');
+
+ $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
+// $positive = (($item['deleted']) ? 'false' : 'true');
+ $positive = 'true';
+
+ $tpl = get_markup_template('diaspora_like_relay.tpl');
}
- else {
+ else { // item is a comment
$tpl = get_markup_template('diaspora_comment_relay.tpl');
- $like = false;
}
- $body = $item['body'];
- $text = html_entity_decode(bb2diaspora($body));
+ // fetch the original signature if the relayable was created by a Diaspora
+ // or DFRN user. Relayables for other networks are not supported.
- // fetch the original signature if somebody sent the post to us to relay
- // If we are relaying for a reply originating on our own account, there wasn't a 'send to relay'
- // action. It wasn't needed. In that case create the original signature and the
- // owner (parent author) signature
- // comments from other networks will be relayed under our name, with a brief
- // preamble to describe what's happening and noting the real author
-
- $r = q("select * from sign where iid = %d limit 1",
+/* $r = q("select * from sign where " . $sql_sign_id . " = %d limit 1",
intval($item['id'])
);
if(count($r)) {
}
else {
- $itemcontact = q("select * from contact where `id` = %d limit 1",
- intval($item['contact-id'])
- );
- if(count($itemcontact)) {
- if(! $itemcontact[0]['self']) {
- $prefix = sprintf( t('[Relayed] Comment authored by %s from network %s'),
- '['. $item['author-name'] . ']' . '(' . $item['author-link'] . ')',
- network_to_name($itemcontact['network'])) . "\n";
- $body = $prefix . $body;
- }
- }
- else {
-
- if($like)
- $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $myaddr;
- else
- $signed_text = $item['guid'] . ';' . $parent_guid . ';' . $text . ';' . $myaddr;
+ // Author signature information (for likes, comments, and retractions of likes or comments,
+ // whether from Diaspora or Friendica) must be placed in the `sign` table before this
+ // function is called
+ logger('diaspora_send_relay: original author signature not found, cannot send relayable');
+ return;
+ }*/
+
+ /* Since the author signature is only checked by the parent, not by the relay recipients,
+ * I think it may not be necessary for us to do so much work to preserve all the original
+ * signatures. The important thing that Diaspora DOES need is the original creator's handle.
+ * Let's just generate that and forget about all the original author signature stuff.
+ *
+ * Note: this might be more of an problem if we want to support likes on comments for older
+ * versions of Diaspora (diaspora-pistos), but since there are a number of problems with
+ * doing that, let's ignore it for now.
+ *
+ * Currently, only DFRN contacts are supported. StatusNet shouldn't be hard, but it hasn't
+ * been done yet
+ */
+
+ $handle = diaspora_handle_from_contact($item['contact-id']);
+ if(! $handle)
+ return;
- $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
- q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
- intval($item['id']),
- dbesc($signed_text),
- dbesc(base64_encode($authorsig)),
- dbesc($myaddr)
- );
- $handle = $myaddr;
- }
- }
+ if($relay_retract)
+ $sender_signed_text = $item['guid'] . ';' . $target_type;
+ elseif($like)
+ $sender_signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
+ else
+ $sender_signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
- // sign it
+ // Sign the relayable with the top-level owner's signature
+ //
+ // We'll use the $sender_signed_text that we just created, instead of the $signed_text
+ // stored in the database, because that provides the best chance that Diaspora will
+ // be able to reconstruct the signed text the same way we did. This is particularly a
+ // concern for the comment, whose signed text includes the text of the comment. The
+ // smallest change in the text of the comment, including removing whitespace, will
+ // make the signature verification fail. Since we translate from BB code to Diaspora's
+ // markup at the top of this function, which is AFTER we placed the original $signed_text
+ // in the database, it's hazardous to trust the original $signed_text.
- $parentauthorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
+ $parentauthorsig = base64_encode(rsa_sign($sender_signed_text,$owner['uprvkey'],'sha256'));
$msg = replace_macros($tpl,array(
'$guid' => xmlify($item['guid']),
- '$parent_guid' => xmlify($parent_guid),
+ '$parent_guid' => xmlify($parent['guid']),
'$target_type' =>xmlify($target_type),
- '$authorsig' => xmlify($orig_sign['signature']),
+ '$authorsig' => xmlify($authorsig),
'$parentsig' => xmlify($parentauthorsig),
'$body' => xmlify($text),
'$positive' => xmlify($positive),
'$handle' => xmlify($handle)
));
- logger('diaspora_relay_comment: base message: ' . $msg, LOGGER_DATA);
+ logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
+
$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
+ //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
return(diaspora_transmit($owner,$contact,$slap,$public_batch));
$a = get_app();
$myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
- $signed_text = $item['guid'] . ';' . 'StatusMessage';
+ // Check whether the retraction is for a top-level post or whether it's a relayable
+ if( $item['uri'] !== $item['parent-uri'] ) {
+
+ $tpl = get_markup_template('diaspora_relay_retraction.tpl');
+ $target_type = (($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
+ }
+ else {
+
+ $tpl = get_markup_template('diaspora_signed_retract.tpl');
+ $target_type = 'StatusMessage';
+ }
+
+ $signed_text = $item['guid'] . ';' . $target_type;
- $tpl = get_markup_template('diaspora_signed_retract.tpl');
$msg = replace_macros($tpl, array(
- '$guid' => $item['guid'],
- '$type' => 'StatusMessage',
- '$handle' => $myaddr,
- '$signature' => base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'))
+ '$guid' => xmlify($item['guid']),
+ '$type' => xmlify($target_type),
+ '$handle' => xmlify($myaddr),
+ '$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')))
));
$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
+ //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
return(diaspora_transmit($owner,$contact,$slap,$public_batch));
}
logger('diaspora_conversation: ' . print_r($xmsg,true), LOGGER_DATA);
$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false)));
+ //$slap = 'xml=' . urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false));
return(diaspora_transmit($owner,$contact,$slap,false));
}
-function diaspora_transmit($owner,$contact,$slap,$public_batch) {
+function diaspora_transmit($owner,$contact,$slap,$public_batch,$queue_run=false) {
$enabled = intval(get_config('system','diaspora_enabled'));
if(! $enabled) {
logger('diaspora_transmit: ' . $logid . ' ' . $dest_url);
- if(was_recently_delayed($contact['id'])) {
+ if( (! $queue_run) && (was_recently_delayed($contact['id'])) ) {
$return_code = 0;
}
else {
return(($return_code) ? $return_code : (-1));
}
+
+
projects / friendica.git / blobdiff