Added open-registrations-detection.

instanceinfo.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 # Print some basic info about fediverse instances.
 
-# Version: 2019-07-12_1
+# Version: 2019-07-15_1
 
 if [[ -z "${1}" ]]; then
     echo "usage: ${0} DOMAIN" >&2
@@ -43,11 +43,8 @@ function main()
         local users=$(curl -s -X POST "https://${instance}/api/stats" | jq -r ".usersCount")
         [[ -n ${users} ]] && echo "Number of users: ${users}"
 
-        # NOTE: I'm not sure what the returned data means exactly and I couldn't find the API-documentation. So I commented it out for now.
-        # # shellcheck disable=SC2155
-        # local federation=$(curl -s -X POST "https://${instance}/api/federation/instances" | jq ".[].host")
-        # # shellcheck disable=SC2046
-        # [[ -n ${federation} ]] && echo "Federates with: ${federation}"
+        echo -n "Open registrations: "
+        jq -r ".features.registration" <<<"${json}"
 
         # shellcheck disable=SC2155
         local tos=$(jq -r ".ToSUrl" <<<"${json}")
@@ -82,6 +79,9 @@ function main()
         echo -n "Number of users: "
         jq -r ".usage.users.total" <<<"${json}"
 
+        echo -n "Open registrations: "
+        jq -r ".openRegistrations" <<<"${json}"
+
         # shellcheck disable=SC2155
         local restrictions=$(jq -r ".metadata.federation.mrf_simple" <<<"${json}")
         [[ "${restrictions}" != "null" ]] && echo "Federation restrictions: ${restrictions}"
@@ -131,6 +131,9 @@ function main()
         echo -n "Number of users: "
         jq -r ".stats.user_count" <<<"${json}"
 
+        echo -n "Open registrations: "
+        jq -r ".registrations" <<<"${json}"
+
         if [[ "${implementation}" == "Mastodon"
                 || "${implementation}" == "Mastodon fork"
                 || "${implementation}" == "Florence" ]]; then