Adds support for querying your micropub endpoint to check for syndication targets.

This changes the value of "in-reply-to" to use hyphens instead of underscore separators!!

Also shows you the full request made to your micropub endpoint.

1 files changed, 69 insertions, 2 deletions

diff --git a/lib/helpers.php b/lib/helpers.php
index 7748c4e..60eda75 100644
--- a/lib/helpers.php
+++ b/lib/helpers.php
@@ -73,20 +73,87 @@ function micropub_post($endpoint, $params, $access_token) {
     'Authorization: Bearer ' . $access_token
   ));
   curl_setopt($ch, CURLOPT_POST, true);
-  curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(array_merge(array(
+  $post = http_build_query(array_merge(array(
     'h' => 'entry'
-  ), $params)));
+  ), $params));
+  curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
   curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
   curl_setopt($ch, CURLOPT_HEADER, true);
+  curl_setopt($ch, CURLINFO_HEADER_OUT, true);
   $response = curl_exec($ch);
   $error = curl_error($ch);
+  $sent_headers = curl_getinfo($ch, CURLINFO_HEADER_OUT);
+  $request = $sent_headers . $post;
   return array(
+    'request' => $request,
     'response' => $response,
     'error' => $error,
     'curlinfo' => curl_getinfo($ch)
   );
 }
 
+function micropub_get($endpoint, $params, $access_token) {
+  $ch = curl_init();
+  curl_setopt($ch, CURLOPT_URL, $endpoint . '?' . http_build_query($params));
+  curl_setopt($ch, CURLOPT_HTTPHEADER, array(
+    'Authorization: Bearer ' . $access_token
+  ));
+  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+  $response = curl_exec($ch);
+  $data = array();
+  if($response) {
+    parse_str($response, $data);
+  }
+  $error = curl_error($ch);
+  return array(
+    'response' => $response,
+    'data' => $data,
+    'error' => $error,
+    'curlinfo' => curl_getinfo($ch)
+  );
+}
+
+function get_syndication_targets(&$user) {
+  $targets = array();
+
+  $r = micropub_get($user->micropub_endpoint, array('q'=>'syndicate-to'), $user->micropub_access_token);
+  if($r['data'] && array_key_exists('syndicate-to', $r['data'])) {
+    $targetURLs = preg_split('/, ?/', $r['data']['syndicate-to']);
+    foreach($targetURLs as $t) {
+
+      // If the syndication target doesn't have a scheme, add http
+      if(!preg_match('/^http/', $t))
+        $tmp = 'http://' . $t;
+
+      // Parse the target expecting it to be a URL
+      $url = parse_url($tmp);
+
+      // If there's a host, and the host contains a . then we can assume there's a favicon
+      // parse_url will parse strings like http://twitter into an array with a host of twitter, which is not resolvable
+      if(array_key_exists('host', $url) && strpos($url['host'], '.') !== false) {
+        $targets[] = array(
+          'target' => $t,
+          'favicon' => 'http://' . $url['host'] . '/favicon.ico'
+        );
+      } else {
+        $targets[] = array(
+          'target' => $t,
+          'favicon' => false
+        );
+      }
+    }
+  }
+  if(count($targets)) {
+    $user->syndication_targets = json_encode($targets);
+    $user->save();
+  }
+
+  return array(
+    'targets' => $targets,
+    'response' => $r
+  );
+}
+
 function static_map($latitude, $longitude, $height=180, $width=700, $zoom=14) {
   return 'http://static-maps.pdx.esri.com/img.php?marker[]=lat:' . $latitude . ';lng:' . $longitude . ';icon:small-blue-cutout&basemap=gray&width=' . $width . '&height=' . $height . '&zoom=' . $zoom;
 }