X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;ds=sidebyside;f=include%2Fdiaspora.php;h=313324a16a667f38424eb5b2d6bd523caf63e89a;hb=5b3f6459392ba6f417cfc5cb0d38094c009c6913;hp=6cba0ecec10d145af9c884c7109188c4a7722ba4;hpb=f29f228463d35f574d6d285be0cf337b7d39c541;p=friendica.git
diff --git a/include/diaspora.php b/include/diaspora.php
index 6cba0ecec1..313324a16a 100644
--- a/include/diaspora.php
+++ b/include/diaspora.php
@@ -5,34 +5,55 @@ require_once('include/items.php');
require_once('include/bb2diaspora.php');
require_once('include/contact_selectors.php');
+
+function diaspora_dispatch_public($msg) {
+
+ $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN ( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' ) ",
+ dbesc(NETWORK_DIASPORA),
+ dbesc($msg['author'])
+ );
+ if(count($r)) {
+ foreach($r as $rr) {
+ logger('diaspora_public: delivering to: ' . $rr['username']);
+ diaspora_dispatch($rr,$msg);
+ }
+ }
+ else
+ logger('diaspora_public: no subscribers');
+}
+
+
+
function diaspora_dispatch($importer,$msg) {
+ $ret = 0;
+
$parsed_xml = parse_xml_string($msg['message'],false);
$xmlbase = $parsed_xml->post;
if($xmlbase->request) {
- diaspora_request($importer,$xmlbase->request);
+ $ret = diaspora_request($importer,$xmlbase->request);
}
elseif($xmlbase->status_message) {
- diaspora_post($importer,$xmlbase->status_message);
+ $ret = diaspora_post($importer,$xmlbase->status_message);
}
elseif($xmlbase->comment) {
- diaspora_comment($importer,$xmlbase->comment,$msg);
+ $ret = diaspora_comment($importer,$xmlbase->comment,$msg);
}
elseif($xmlbase->like) {
- diaspora_like($importer,$xmlbase->like,$msg);
+ $ret = diaspora_like($importer,$xmlbase->like,$msg);
}
elseif($xmlbase->retraction) {
- diaspora_retraction($importer,$xmlbase->retraction,$msg);
+ $ret = diaspora_retraction($importer,$xmlbase->retraction,$msg);
}
elseif($xmlbase->photo) {
- diaspora_photo($importer,$xmlbase->photo,$msg);
+ $ret = diaspora_photo($importer,$xmlbase->photo,$msg);
}
else {
logger('diaspora_dispatch: unknown message type: ' . print_r($xmlbase,true));
}
- return;
+ return $ret;
}
function diaspora_get_contact_by_handle($uid,$handle) {
@@ -97,7 +118,7 @@ function diaspora_msg_build($msg,$user,$contact,$prvkey,$pubkey) {
$outer_iv = random_string(16);
$b_outer_iv = base64_encode($outer_iv);
- $handle = 'acct:' . $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
+ $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
$padded_data = pkcs5_pad($msg,16);
$inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv);
@@ -106,16 +127,14 @@ function diaspora_msg_build($msg,$user,$contact,$prvkey,$pubkey) {
$b64url_data = base64url_encode($b64_data);
- $b64url_stripped = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
- $lines = str_split($b64url_stripped,60);
- $data = implode("\n",$lines);
- $data = $data . (($data[-1] != "\n") ? "\n" : '') ;
- $type = 'application/atom+xml';
+ $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
+
+ $type = 'application/xml';
$encoding = 'base64url';
$alg = 'RSA-SHA256';
- $signable_data = $data . '.' . base64url_encode($type) . "\n" . '.'
- . base64url_encode($encoding) . "\n" . '.' . base64url_encode($alg) . "\n";
+ $signable_data = $data . '.' . base64url_encode($type) . '.'
+ . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
$signature = rsa_sign($signable_data,$prvkey);
$sig = base64url_encode($signature);
@@ -124,10 +143,7 @@ $decrypted_header = <<< EOT
$b_inner_iv
$b_inner_aes_key
-
- {$user['username']}
- $handle
-
+ $handle
EOT;
@@ -140,10 +156,9 @@ EOT;
$encrypted_outer_key_bundle = '';
openssl_public_encrypt($outer_json,$encrypted_outer_key_bundle,$pubkey);
- logger('outer_bundle_encrypt: ' . openssl_error_string());
$b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle);
- logger('outer_bundle: ' . $b64_encrypted_outer_key_bundle . ' key: ' . $pubkey);
+ logger('outer_bundle: ' . $b64_encrypted_outer_key_bundle . ' key: ' . $pubkey, LOGGER_DATA);
$encrypted_header_json_object = json_encode(array('aes_key' => base64_encode($encrypted_outer_key_bundle),
'ciphertext' => base64_encode($ciphertext)));
@@ -153,15 +168,15 @@ EOT;
$magic_env = <<< EOT
-
+
$encrypted_header
-
+
base64url
RSA-SHA256
- $data
+ $data
$sig
-
+
EOT;
logger('diaspora_msg_build: magic_env: ' . $magic_env, LOGGER_DATA);
@@ -186,50 +201,67 @@ EOT;
function diaspora_decode($importer,$xml) {
+ $public = false;
$basedom = parse_xml_string($xml);
- $atom = $basedom->children(NAMESPACE_ATOM1);
+ $children = $basedom->children('https://joindiaspora.com/protocol');
- // Diaspora devs: This is kind of sucky - 'encrypted_header' does not belong in the atom namespace
+ if($children->header) {
+ $public = true;
+ $author_link = str_replace('acct:','',$children->header->author_id);
+ }
+ else {
- $encrypted_header = json_decode(base64_decode($atom->encrypted_header));
+ $encrypted_header = json_decode(base64_decode($children->encrypted_header));
- $encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
- $ciphertext = base64_decode($encrypted_header->ciphertext);
+ $encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
+ $ciphertext = base64_decode($encrypted_header->ciphertext);
+
+ $outer_key_bundle = '';
+ openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
+
+ $j_outer_key_bundle = json_decode($outer_key_bundle);
+
+ $outer_iv = base64_decode($j_outer_key_bundle->iv);
+ $outer_key = base64_decode($j_outer_key_bundle->key);
+
+ $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
+
- $outer_key_bundle = '';
- openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
+ $decrypted = pkcs5_unpad($decrypted);
- $j_outer_key_bundle = json_decode($outer_key_bundle);
+ /**
+ * $decrypted now contains something like
+ *
+ *
+ * 8e+G2+ET8l5BPuW0sVTnQw==
+ * UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=
- $outer_iv = base64_decode($j_outer_key_bundle->iv);
- $outer_key = base64_decode($j_outer_key_bundle->key);
+***** OBSOLETE
- $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
+ *
+ * Ryan Hughes
+ * acct:galaxor@diaspora.pirateship.org
+ *
+***** CURRENT
- $decrypted = pkcs5_unpad($decrypted);
+ * acct:galaxor@diaspora.priateship.org
- /**
- * $decrypted now contains something like
- *
- *
- * 8e+G2+ET8l5BPuW0sVTnQw==
- * UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=
- *
- * Ryan Hughes
- * acct:galaxor@diaspora.pirateship.org
- *
- *
- */
+***** END DIFFS
- logger('decrypted: ' . $decrypted);
- $idom = parse_xml_string($decrypted,false);
+ *
+ */
- $inner_iv = base64_decode($idom->iv);
- $inner_aes_key = base64_decode($idom->aes_key);
+ logger('decrypted: ' . $decrypted, LOGGER_DEBUG);
+ $idom = parse_xml_string($decrypted,false);
- $author_link = str_replace('acct:','',$idom->author->uri);
+ $inner_iv = base64_decode($idom->iv);
+ $inner_aes_key = base64_decode($idom->aes_key);
+
+ $author_link = str_replace('acct:','',$idom->author_id);
+
+ }
$dom = $basedom->children(NAMESPACE_SALMON_ME);
@@ -256,16 +288,6 @@ function diaspora_decode($importer,$xml) {
// strip whitespace so our data element will return to one big base64 blob
$data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
- // Add back the 60 char linefeeds
-
- // This completely violates the entire principle of salmon magic signatures,
- // which was to have a message signing format that was completely ambivalent to linefeeds
- // and transport whitespace mangling, and base64 wrapping rules. Guess what? PHP and Ruby
- // use different linelengths for base64 output.
-
- $lines = str_split($data,60);
- $data = implode("\n",$lines);
-
// stash away some other stuff for later
@@ -274,22 +296,25 @@ function diaspora_decode($importer,$xml) {
$encoding = $base->encoding;
$alg = $base->alg;
- // I can't even begin to tell you how sucky this is. Please read the spec.
- $signed_data = $data . (($data[-1] != "\n") ? "\n" : '') . '.' . base64url_encode($type) . "\n" . '.' . base64url_encode($encoding) . "\n" . '.' . base64url_encode($alg) . "\n";
+ $signed_data = $data . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
// decode the data
$data = base64url_decode($data);
- // Now pull out the inner encrypted blob
- $inner_encrypted = base64_decode($data);
+ if($public) {
+ $inner_decrypted = $data;
+ }
+ else {
- $inner_decrypted =
- $inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv);
+ // Decode the encrypted blob
- $inner_decrypted = pkcs5_unpad($inner_decrypted);
+ $inner_encrypted = base64_decode($data);
+ $inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv);
+ $inner_decrypted = pkcs5_unpad($inner_decrypted);
+ }
if(! $author_link) {
logger('mod-diaspora: Could not retrieve author URI.');
@@ -312,7 +337,7 @@ function diaspora_decode($importer,$xml) {
if(! $verify) {
logger('mod-diaspora: Message did not verify. Discarding.');
- http_status_exit(400);
+// http_status_exit(400);
}
logger('mod-diaspora: Message verified.');
@@ -322,7 +347,6 @@ function diaspora_decode($importer,$xml) {
}
-
function diaspora_request($importer,$xml) {
$sender_handle = unxmlify($xml->sender_handle);
@@ -333,7 +357,6 @@ function diaspora_request($importer,$xml) {
$contact = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
-
if($contact) {
// perhaps we were already sharing with this person. Now they're sharing with us.
@@ -399,6 +422,7 @@ function diaspora_request($importer,$xml) {
function diaspora_post($importer,$xml) {
+ $a = get_app();
$guid = notags(unxmlify($xml->guid));
$diaspora_handle = notags(unxmlify($xml->diaspora_handle));
@@ -408,8 +432,7 @@ function diaspora_post($importer,$xml) {
if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
logger('diaspora_post: Ignoring this author.');
- http_status_exit(202);
- // NOTREACHED
+ return 202;
}
$message_id = $diaspora_handle . ':' . $guid;
@@ -418,8 +441,10 @@ function diaspora_post($importer,$xml) {
dbesc($message_id),
dbesc($guid)
);
- if(count($r))
+ if(count($r)) {
+ logger('diaspora_post: message exists: ' . $guid);
return;
+ }
// allocate a guid on our system - we aren't fixing any collisions.
// we're ignoring them
@@ -456,7 +481,14 @@ function diaspora_post($importer,$xml) {
$datarray['body'] = $body;
$datarray['app'] = 'Diaspora';
- item_store($datarray);
+ $message_id = item_store($datarray);
+
+ if($message_id) {
+ q("update item set plink = '%s' where id = %d limit 1",
+ dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
+ intval($message_id)
+ );
+ }
return;
@@ -464,6 +496,7 @@ function diaspora_post($importer,$xml) {
function diaspora_comment($importer,$xml,$msg) {
+ $a = get_app();
$guid = notags(unxmlify($xml->guid));
$parent_guid = notags(unxmlify($xml->parent_guid));
$diaspora_handle = notags(unxmlify($xml->diaspora_handle));
@@ -476,13 +509,14 @@ function diaspora_comment($importer,$xml,$msg) {
$text = $xml->text;
$contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
- if(! $contact)
+ if(! $contact) {
+ logger('diaspora_comment: cannot find contact: ' . $msg['author']);
return;
+ }
if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
logger('diaspora_comment: Ignoring this author.');
- http_status_exit(202);
- // NOTREACHED
+ return 202;
}
$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
@@ -490,7 +524,7 @@ function diaspora_comment($importer,$xml,$msg) {
dbesc($guid)
);
if(count($r)) {
- logger('daspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
+ logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
return;
}
@@ -523,7 +557,7 @@ function diaspora_comment($importer,$xml,$msg) {
}
}
- if(! rsa_verify($author_signed_data,$author_signature,$key,'sha')) {
+ if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
logger('diaspora_comment: verification failed.');
return;
}
@@ -536,7 +570,7 @@ function diaspora_comment($importer,$xml,$msg) {
$key = $msg['key'];
- if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha')) {
+ if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
logger('diaspora_comment: owner verification failed.');
return;
}
@@ -573,6 +607,13 @@ function diaspora_comment($importer,$xml,$msg) {
$message_id = item_store($datarray);
+ if($message_id) {
+ q("update item set plink = '%s' where id = %d limit 1",
+ dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
+ intval($message_id)
+ );
+ }
+
if(! $parent_author_signature) {
q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($message_id),
@@ -592,6 +633,7 @@ function diaspora_comment($importer,$xml,$msg) {
function diaspora_photo($importer,$xml,$msg) {
+ $a = get_app();
$remote_photo_path = notags(unxmlify($xml->remote_photo_path));
$remote_photo_name = notags(unxmlify($xml->remote_photo_name));
@@ -613,8 +655,7 @@ function diaspora_photo($importer,$xml,$msg) {
if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
logger('diaspora_photo: Ignoring this author.');
- http_status_exit(202);
- // NOTREACHED
+ return 202;
}
$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
@@ -659,13 +700,14 @@ function diaspora_like($importer,$xml,$msg) {
return;
$contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
- if(! $contact)
+ if(! $contact) {
+ logger('diaspora_like: cannot find contact: ' . $msg['author']);
return;
+ }
if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
logger('diaspora_like: Ignoring this author.');
- http_status_exit(202);
- // NOTREACHED
+ return 202;
}
$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
@@ -721,20 +763,20 @@ function diaspora_like($importer,$xml,$msg) {
}
}
- if(! rsa_verify($author_signed_data,$author_signature,$key,'sha')) {
+ if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
logger('diaspora_like: verification failed.');
return;
}
if($parent_author_signature) {
-// $owner_signed_data = $guid . ';' . $parent_guid . ';' . $target_type . ';' . $positive . ';' . $msg['author'];
- $owner_signed_data = $guid . ';' . $parent_guid . ';' . $target_type . ';' . $positive . ';' . $diaspora_handle;
+
+ $owner_signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
$parent_author_signature = base64_decode($parent_author_signature);
$key = $msg['key'];
- if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha')) {
+ if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
logger('diaspora_like: owner verification failed.');
return;
}
@@ -800,6 +842,14 @@ EOT;
$message_id = item_store($arr);
+
+ if($message_id) {
+ q("update item set plink = '%s' where id = %d limit 1",
+ dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
+ intval($message_id)
+ );
+ }
+
if(! $parent_author_signature) {
q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($message_id),
@@ -847,7 +897,7 @@ function diaspora_retraction($importer,$xml) {
}
}
- http_exit_status(202);
+ return 202;
// NOTREACHED
}
@@ -916,7 +966,7 @@ function diaspora_send_status($item,$owner,$contact) {
$public = (($item['private']) ? 'false' : 'true');
require_once('include/datetime.php');
- $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d h:i:s \U\T\C');
+ $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
$tpl = get_markup_template('diaspora_post.tpl');
$msg = replace_macros($tpl, array(
@@ -968,7 +1018,7 @@ function diaspora_send_images($item,$owner,$contact,$images) {
'$guid' => xmlify($r[0]['guid']),
'$handle' => xmlify($image['handle']),
'$public' => xmlify($public),
- '$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d h:i:s \U\T\C'))
+ '$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d H:i:s \U\T\C'))
));
@@ -1014,7 +1064,7 @@ function diaspora_send_followup($item,$owner,$contact) {
else
$signed_text = $item['guid'] . ';' . $parent_guid . ';' . $text . ';' . $myaddr;
- $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha'));
+ $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
$msg = replace_macros($tpl,array(
'$guid' => xmlify($item['guid']),
@@ -1066,9 +1116,11 @@ function diaspora_send_relay($item,$owner,$contact) {
$text = html_entity_decode(bb2diaspora($body));
// fetch the original signature if somebody sent the post to us to relay
- // If we are relaying for a reply originating here, there wasn't a 'send 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
$r = q("select * from sign where iid = %d limit 1",
intval($item['id'])
@@ -1077,6 +1129,7 @@ function diaspora_send_relay($item,$owner,$contact) {
$orig_sign = $r[0];
$signed_text = $orig_sign['signed_text'];
$authorsig = $orig_sign['signature'];
+ $handle = $orig_sign['signer'];
}
else {
@@ -1098,7 +1151,7 @@ function diaspora_send_relay($item,$owner,$contact) {
else
$signed_text = $item['guid'] . ';' . $parent_guid . ';' . $text . ';' . $myaddr;
- $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha'));
+ $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($item['id']),
@@ -1106,13 +1159,13 @@ function diaspora_send_relay($item,$owner,$contact) {
dbesc(base64_encode($authorsig)),
dbesc($myaddr)
);
-
+ $handle = $myaddr;
}
}
// sign it
- $parentauthorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha'));
+ $parentauthorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
$msg = replace_macros($tpl,array(
'$guid' => xmlify($item['guid']),
@@ -1122,7 +1175,7 @@ function diaspora_send_relay($item,$owner,$contact) {
'$parentsig' => xmlify($parentauthorsig),
'$body' => xmlify($text),
'$positive' => xmlify($positive),
- '$handle' => xmlify($myaddr)
+ '$handle' => xmlify($handle)
));
logger('diaspora_relay_comment: base message: ' . $msg, LOGGER_DATA);