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-rw-r--r--include/salmon.php114
1 files changed, 59 insertions, 55 deletions
diff --git a/include/salmon.php b/include/salmon.php
index 92ec571b3..c5ad3e825 100644
--- a/include/salmon.php
+++ b/include/salmon.php
@@ -33,61 +33,9 @@ function get_salmon_key($uri,$keyhash) {
if($debugging)
file_put_contents('salmon.out', "\n" . 'Fetch key' . "\n", FILE_APPEND);
- if(strstr($uri,'@')) {
- $arr = webfinger($uri);
- if($debugging)
- file_put_contents('salmon.out', "\n" . 'Fetch key from webfinger' . "\n", FILE_APPEND);
- }
- else {
- $html = fetch_url($uri);
- $a = get_app();
- $h = $a->get_curl_headers();
- if($debugging)
- file_put_contents('salmon.out', "\n" . 'Fetch key via HTTP header: ' . $h . "\n", FILE_APPEND);
-
- $l = explode("\n",$h);
- if(count($l)) {
- foreach($l as $line) {
- // TODO alter the following regex to support multiple relations (space separated)
- if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
- $link = $matches[1];
- if($debugging)
- file_put_contents('salmon.out', "\n" . 'Fetch key via HTML Link: ' . $link . "\n", FILE_APPEND);
- break;
- }
- }
- }
-
- if(! isset($link)) {
-
- // parse the page of the supplied URL looking for rel links
-
- require_once('library/HTML5/Parser.php');
- $dom = HTML5_Parser::parse($html);
-
- if(! $dom)
- return '';
+ $arr = lrdd($uri);
- $items = $dom->getElementsByTagName('link');
-
- foreach($items as $item) {
- $x = $item->getAttribute('rel');
- if($x == "lrdd") {
- $link = $item->getAttribute('href');
- if($debugging)
- file_put_contents('salmon.out', "\n" . 'Fetch key via HTML body' . $link . "\n", FILE_APPEND);
- break;
- }
- }
- }
-
- if(! isset($link))
- return '';
-
- $arr = fetch_xrd_links($link);
- }
-
- if($arr) {
+ if(is_array($arr)) {
foreach($arr as $a) {
if($a['@attributes']['rel'] === 'magic-public-key') {
$ret[] = $a['@attributes']['href'];
@@ -140,4 +88,60 @@ function get_salmon_key($uri,$keyhash) {
- \ No newline at end of file
+function slapper($owner,$contact,$slap) {
+
+
+ // does contact have a salmon endpoint?
+
+ if(! strlen($contact['notify']))
+ return;
+
+ // add all namespaces to item
+
+$namespaces = <<< EOT
+<entry xmlns="http://www.w3.org/2005/Atom"
+ xmlns:thr="http://purl.org/syndication/thread/1.0"
+ xmlns:at="http://purl.org/atompub/tombstones/1.0"
+ xmlns:media="http://purl.org/syndication/atommedia"
+ xmlns:dfrn="http://purl.org/macgirvin/dfrn/1.0"
+ xmlns:as="http://activitystrea.ms/spec/1.0/"
+ xmlns:georss="http://www.georss.org/georss" >
+EOT;
+
+ $slap = str_replace('<entry>',$namespaces,$slap);
+
+ // create a magic envelope
+
+ $data = base64url_encode($slap);
+ $data_type = 'application/atom+xml';
+ $encoding = 'base64url';
+ $algorithm = 'RSA-SHA256';
+ $keyhash = base64url_encode(hash('sha256',salmon_key($owner['spubkey'])));
+
+ // Setup RSA stuff to PKCS#1 sign the data
+
+ set_include_path(get_include_path() . PATH_SEPARATOR . 'phpsec');
+
+ require_once('phpsec/Crypt/RSA.php');
+
+ $rsa = new CRYPT_RSA();
+ $rsa->signatureMode = CRYPT_RSA_SIGNATURE_PKCS1;
+ $rsa->setHash('sha256');
+ $rsa->loadKey($owner['sprvkey']);
+
+ $signature = $rsa->sign($data);
+
+ $salmon_tpl = load_view_file('view/magicsig.tpl');
+ $salmon = replace_macros($salmon_tpl,array(
+ '$data' => $data,
+ '$encoding' => $encoding,
+ '$algorithm' => $algorithm,
+ '$keyhash' => $keyhash,
+ '$signature' => $signature
+ ));
+
+ // slap them
+ post_url($contact['notify'],$salmon);
+
+ return;
+} \ No newline at end of file