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-rw-r--r--mod/post.php13
1 files changed, 13 insertions, 0 deletions
diff --git a/mod/post.php b/mod/post.php
index 847af0fe9..70dd4dc19 100644
--- a/mod/post.php
+++ b/mod/post.php
@@ -175,6 +175,19 @@ function post_post(&$a) {
$msgtype = ((array_key_exists('type',$data)) ? $data['type'] : '');
+ if($msgtype === 'ping') {
+
+ // Useful to get a health check on a remote site.
+ // This will let us know if any important communication details
+ // that we may have stored are no longer valid, regardless of xchan details.
+
+ $ret['success'] = true;
+ $ret['site'] = array();
+ $ret['site']['url'] = z_root();
+ $ret['site']['url_sig'] = base64url_encode(rsa_sign(z_root(),get_config('system','prvkey')));
+ $ret['site']['sitekey'] = get_config('system','pubkey');
+ json_return_and_die($ret);
+ }
if($msgtype === 'pickup') {