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authorFriendika <info@friendika.com>2011-09-14 19:33:42 -0700
committerFriendika <info@friendika.com>2011-09-14 19:33:42 -0700
commit5c0e135fe98fc91cee32e065c81e7a440c25ee2c (patch)
tree08dd94a263506010ba51b152878571cffaef59a9 /include/diaspora.php
parent93c235a912aa4d413dd00e636c211fe53b5c1553 (diff)
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diaspora protocol changes
Diffstat (limited to 'include/diaspora.php')
-rw-r--r--include/diaspora.php170
1 files changed, 100 insertions, 70 deletions
diff --git a/include/diaspora.php b/include/diaspora.php
index 6d070ecba..2145ca56c 100644
--- a/include/diaspora.php
+++ b/include/diaspora.php
@@ -5,34 +5,52 @@ require_once('include/items.php');
require_once('include/bb2diaspora.php');
require_once('include/contact_selectors.php');
+
+function diaspora_dispatch_public($msg) {
+
+ $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN ( SELECT `uid` FROM `contact` WHERE `network` = '%s' AND `addr` = '%s' ) ",
+ dbesc(NETWORK_DIASPORA),
+ dbesc($msg['author'])
+ );
+ if(count($r)) {
+ foreach($r as $rr) {
+ diaspora_dispatch($rr,$msg);
+ }
+ }
+}
+
+
+
function diaspora_dispatch($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,$handle) {
@@ -106,16 +124,14 @@ function diaspora_msg_build($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" : '') ;
+ $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
+
$type = 'application/atom+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);
@@ -157,7 +173,7 @@ $magic_env = <<< EOT
<me:env xmlns:me="http://salmon-protocol.org/ns/magic-env">
<me:encoding>base64url</me:encoding>
<me:alg>RSA-SHA256</me:alg>
- <me:data type="application/atom+xml">$data</me:data>
+ <me:data type="application/xml">$data</me:data>
<me:sig>$sig</me:sig>
</me:env>
</entry>
@@ -185,50 +201,67 @@ EOT;
function diaspora_decode($importer,$xml) {
+ $public = false;
$basedom = parse_xml_string($xml);
- $atom = $basedom->children(NAMESPACE_ATOM1);
+ $children = $basedom->children(NAMESPACE_DIASPORA_PROTOCOL);
- // Diaspora devs: This is kind of sucky - 'encrypted_header' does not belong in the atom namespace
+ if($children->header) {
+ $public = true;
+ $author_link = str_replace('acct:','',$children->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);
+
+
+ $decrypted = pkcs5_unpad($decrypted);
- $outer_key_bundle = '';
- openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
+ /**
+ * $decrypted now contains something like
+ *
+ * <decrypted_header>
+ * <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv>
+ * <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key>
- $j_outer_key_bundle = json_decode($outer_key_bundle);
+***** OBSOLETE
- $outer_iv = base64_decode($j_outer_key_bundle->iv);
- $outer_key = base64_decode($j_outer_key_bundle->key);
+ * <author>
+ * <name>Ryan Hughes</name>
+ * <uri>acct:galaxor@diaspora.pirateship.org</uri>
+ * </author>
- $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
+***** CURRENT
+ * <author_id>acct:galaxor@diaspora.priateship.org</author_id>
- $decrypted = pkcs5_unpad($decrypted);
+***** END DIFFS
- /**
- * $decrypted now contains something like
- *
- * <decrypted_header>
- * <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv>
- * <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key>
- * <author>
- * <name>Ryan Hughes</name>
- * <uri>acct:galaxor@diaspora.pirateship.org</uri>
- * </author>
- * </decrypted_header>
- */
+ * </decrypted_header>
+ */
- logger('decrypted: ' . $decrypted, LOGGER_DEBUG);
- $idom = parse_xml_string($decrypted,false);
+ logger('decrypted: ' . $decrypted, LOGGER_DEBUG);
+ $idom = parse_xml_string($decrypted,false);
- $inner_iv = base64_decode($idom->iv);
- $inner_aes_key = base64_decode($idom->aes_key);
+ $inner_iv = base64_decode($idom->iv);
+ $inner_aes_key = base64_decode($idom->aes_key);
- $author_link = str_replace('acct:','',$idom->author->uri);
+ $author_link = str_replace('acct:','',$idom->author_id);
+
+ }
$dom = $basedom->children(NAMESPACE_SALMON_ME);
@@ -262,8 +295,8 @@ function diaspora_decode($importer,$xml) {
// 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);
+// $lines = str_split($data,60);
+ // $data = implode("\n",$lines);
// stash away some other stuff for later
@@ -273,22 +306,25 @@ 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(! $author_link) {
logger('mod-diaspora: Could not retrieve author URI.');
@@ -321,7 +357,6 @@ function diaspora_decode($importer,$xml) {
}
-
function diaspora_request($importer,$xml) {
$sender_handle = unxmlify($xml->sender_handle);
@@ -332,7 +367,6 @@ 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.
@@ -408,8 +442,7 @@ 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 . ':' . $guid;
@@ -493,8 +526,7 @@ function diaspora_comment($importer,$xml,$msg) {
if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
logger('diaspora_comment: Ignoring this author.');
- http_status_exit(202);
- // NOTREACHED
+ return 202;
}
$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
@@ -535,7 +567,7 @@ function diaspora_comment($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;
}
@@ -548,7 +580,7 @@ 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,$key,'sha256')) {
logger('diaspora_comment: owner verification failed.');
return;
}
@@ -633,8 +665,7 @@ function diaspora_photo($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;
}
$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
@@ -686,8 +717,7 @@ function diaspora_like($importer,$xml,$msg) {
if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
logger('diaspora_like: Ignoring this author.');
- http_status_exit(202);
- // NOTREACHED
+ return 202;
}
$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
@@ -743,7 +773,7 @@ function diaspora_like($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;
}
@@ -756,7 +786,7 @@ function diaspora_like($importer,$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,$key,'sha256')) {
logger('diaspora_like: owner verification failed.');
return;
}
@@ -877,7 +907,7 @@ function diaspora_retraction($importer,$xml) {
}
}
- http_exit_status(202);
+ return 202;
// NOTREACHED
}
@@ -1044,7 +1074,7 @@ function diaspora_send_followup($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']),
@@ -1131,7 +1161,7 @@ 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']),
@@ -1145,7 +1175,7 @@ function diaspora_send_relay($item,$owner,$contact) {
// 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']),