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authorFriendika <info@friendika.com>2011-08-28 19:22:27 -0700
committerFriendika <info@friendika.com>2011-08-28 19:22:27 -0700
commitf29f228463d35f574d6d285be0cf337b7d39c541 (patch)
treeaa7e977a25536397506c6c30f8e4d67eb85320d6
parent030dcbd467d5faf01e6f62b9cd9b1be6f8974dcc (diff)
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bring Diaspora message signing back to the source author - whether they like it or not.
-rw-r--r--boot.php2
-rw-r--r--include/delivery.php5
-rw-r--r--include/diaspora.php49
-rw-r--r--include/items.php48
-rw-r--r--include/notifier.php3
-rw-r--r--mod/item.php29
6 files changed, 105 insertions, 31 deletions
diff --git a/boot.php b/boot.php
index 58d6cc839..060bd7117 100644
--- a/boot.php
+++ b/boot.php
@@ -7,7 +7,7 @@ require_once('include/text.php');
require_once("include/pgettext.php");
-define ( 'FRIENDIKA_VERSION', '2.2.1085' );
+define ( 'FRIENDIKA_VERSION', '2.2.1086' );
define ( 'DFRN_PROTOCOL_VERSION', '2.21' );
define ( 'DB_UPDATE_VERSION', 1083 );
diff --git a/include/delivery.php b/include/delivery.php
index be4f3978c..0df8ea7e4 100644
--- a/include/delivery.php
+++ b/include/delivery.php
@@ -77,7 +77,10 @@ function delivery_run($argv, $argc){
$uid = $r[0]['uid'];
$updated = $r[0]['edited'];
- $items = q("SELECT * FROM `item` WHERE `parent` = %d ORDER BY `id` ASC",
+
+
+ $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
+ FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d ORDER BY `id` ASC",
intval($parent_id)
);
diff --git a/include/diaspora.php b/include/diaspora.php
index 10b342289..6cba0ecec 100644
--- a/include/diaspora.php
+++ b/include/diaspora.php
@@ -1063,18 +1063,6 @@ function diaspora_send_relay($item,$owner,$contact) {
$body = $item['body'];
- $itemcontact = q("select * from contact where `id` = %d limit 1",
- intval($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;
- }
- }
-
$text = html_entity_decode(bb2diaspora($body));
// fetch the original signature if somebody sent the post to us to relay
@@ -1092,23 +1080,34 @@ function diaspora_send_relay($item,$owner,$contact) {
}
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;
+ $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha'));
- if($like)
- $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $myaddr;
- else
- $signed_text = $item['guid'] . ';' . $parent_guid . ';' . $text . ';' . $myaddr;
-
- $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha'));
-
- q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
- intval($item['id']),
- dbesc($signed_text),
- dbesc(base64_encode($authorsig)),
- dbesc($myaddr)
- );
+ q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
+ intval($item['id']),
+ dbesc($signed_text),
+ dbesc(base64_encode($authorsig)),
+ dbesc($myaddr)
+ );
+ }
}
// sign it
diff --git a/include/items.php b/include/items.php
index 150be2707..e9594cff2 100644
--- a/include/items.php
+++ b/include/items.php
@@ -112,8 +112,10 @@ function get_feed_for(&$a, $dfrn_id, $owner_nick, $last_update, $direction = 0)
`contact`.`name`, `contact`.`photo`, `contact`.`url`,
`contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
`contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
- `contact`.`id` AS `contact-id`, `contact`.`uid` AS `contact-uid`
+ `contact`.`id` AS `contact-id`, `contact`.`uid` AS `contact-uid`,
+ `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
FROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
+ LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
WHERE `item`.`uid` = %d AND `item`.`visible` = 1 AND `item`.`parent` != 0
AND `item`.`wall` = 1 AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
AND ( `item`.`edited` > '%s' OR `item`.`changed` > '%s' )
@@ -363,6 +365,18 @@ function get_atom_elements($feed,$item) {
$res['app'] = 'OStatus';
}
+ // base64 encoded json structure representing Diaspora signature
+
+ $dsig = $item->get_item_tags(NAMESPACE_DFRN,'diaspora_signature');
+ if($dsig) {
+ $res['dsprsig'] = unxmlify($dsig[0]['data']);
+ }
+
+ $dguid = $item->get_item_tags(NAMESPACE_DFRN,'diaspora_guid');
+ if($dguid)
+ $res['guid'] = unxmlify($dguid[0]['data']);
+
+
/**
* If there's a copy of the body content which is guaranteed to have survived mangling in transit, use it.
*/
@@ -659,6 +673,15 @@ function encode_rel_links($links) {
function item_store($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.
+
+ $dsprsig = null;
+ if(x($arr,'dsprsig')) {
+ $dsprsig = json_decode(base64_decode($arr['dsprsig']));
+ unset($arr['dsprsig']);
+ }
+
if($arr['gravity'])
$arr['gravity'] = intval($arr['gravity']);
elseif($arr['parent-uri'] == $arr['uri'])
@@ -835,6 +858,16 @@ function item_store($arr,$force_parent = false) {
intval($current_post)
);
+ if($dsprsig) {
+ q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
+ intval($current_post),
+ dbesc($dsprsig->signed_text),
+ dbesc($dsprsig->signature),
+ dbesc($dsprsig->signer)
+ );
+ }
+
+
/**
* If this is now the last-child, force all _other_ children of this parent to *not* be last-child
*/
@@ -1670,10 +1703,19 @@ function atom_entry($item,$type,$author,$owner,$comment = false) {
$o .= '<dfrn:private>1</dfrn:private>' . "\r\n";
if($item['extid'])
- $o .= '<dfrn:extid>' . $item['extid'] . '</dfrn:extid>' . "\r\n";
+ $o .= '<dfrn:extid>' . xmlify($item['extid']) . '</dfrn:extid>' . "\r\n";
if($item['app'])
- $o .= '<statusnet:notice_info local_id="' . $item['id'] . '" source="' . $item['app'] . '" ></statusnet:notice_info>';
+ $o .= '<statusnet:notice_info local_id="' . $item['id'] . '" source="' . xmlify($item['app']) . '" ></statusnet:notice_info>' . "\r\n";
+
+ if($item['guid'])
+ $o .= '<dfrn:diaspora_guid>' . $item['guid'] . '</dfrn:diaspora_guid>' . "\r\n";
+
+ if($item['signed_text']) {
+ $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";
$actobj = construct_activity_object($item);
diff --git a/include/notifier.php b/include/notifier.php
index 1a3b321cf..b87aa95b1 100644
--- a/include/notifier.php
+++ b/include/notifier.php
@@ -109,7 +109,8 @@ function notifier_run($argv, $argc){
$uid = $r[0]['uid'];
$updated = $r[0]['edited'];
- $items = q("SELECT * FROM `item` WHERE `parent` = %d ORDER BY `id` ASC",
+ $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
+ FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d ORDER BY `id` ASC",
intval($parent_id)
);
diff --git a/mod/item.php b/mod/item.php
index ef0b232d5..dd42014eb 100644
--- a/mod/item.php
+++ b/mod/item.php
@@ -15,6 +15,8 @@
*
*/
+require_once('include/crypto.php');
+
function item_post(&$a) {
if((! local_user()) && (! remote_user()))
@@ -674,6 +676,27 @@ function item_post(&$a) {
pop_lang();
}
+
+ // 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;
+
+ $authorsig = base64_encode(rsa_sign($signed_text,$a->user['prvkey'],'sha'));
+
+ q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
+ intval($post_id),
+ dbesc($signed_text),
+ dbesc(base64_encode($authorsig)),
+ dbesc($myaddr)
+ );
+ }
}
else {
$parent = $post_id;
@@ -799,6 +822,12 @@ function item_post(&$a) {
}
}
+
+
+
+
+
+
logger('post_complete');
// figure out how to return, depending on from whence we came