From f5a0761421fa75c0fd2d9b2a6f3b71829a952711 Mon Sep 17 00:00:00 2001
From: tastytea <tastytea@tastytea.de>
Date: Fri, 12 Jul 2019 21:23:39 +0200
Subject: [PATCH] instanceinfo.sh: Added CloudFlare-check.

---
 instanceinfo.sh | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/instanceinfo.sh b/instanceinfo.sh
index 13ba420..4c5a544 100755
--- a/instanceinfo.sh
+++ b/instanceinfo.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # Print some basic info about fediverse instances.
 
-# Version: 2019-07-08_1
+# Version: 2019-07-12_1
 
 if [[ -z "${1}" ]]; then
     echo "usage: ${0} DOMAIN" >&2
@@ -23,11 +23,11 @@ function main()
 {
     local instance="${1}"
     # shellcheck disable=SC2155
-    local nodeinfo=$(curl -s "https://${instance}/.well-known/nodeinfo" | jq -r '.links[-1].href' 2> /dev/null)
+    local nodeinfo=$(curl -sL "https://${instance}/.well-known/nodeinfo" | jq -r '.links[-1].href' 2> /dev/null)
     local mastoinfo="https://${instance}/api/v1/instance"
     local misskeyinfo="https://${instance}/api/meta"
 
-    if curl -sIf -X POST "${misskeyinfo}" | grep -iq 'Content-Type: application/json'; then
+    if curl -sILf -X POST "${misskeyinfo}" | grep -iq 'Content-Type: application/json'; then
         echo "Misskey API found."
         json=$(curl -s -X POST "${misskeyinfo}")
 
@@ -52,7 +52,7 @@ function main()
         # shellcheck disable=SC2155
         local tos=$(jq -r ".ToSUrl" <<<"${json}")
         [[ -n "${tos}" ]] && echo "ToS: ${tos}"
-    elif curl -sIf "${nodeinfo}" | grep -iq 'Content-Type: application/json'; then
+    elif curl -sILf "${nodeinfo}" | grep -iq 'Content-Type: application/json'; then
         echo "Nodeinfo found."
         json=$(curl -s "${nodeinfo}")
 
@@ -96,7 +96,7 @@ function main()
         elif [[ "${implementation}" == "mastodon" ]]; then
             echo "Further info, maybe: https://${instance}/about/more"
         fi
-    elif curl -sIf "${mastoinfo}" | grep -iq 'Content-Type: application/json'; then
+    elif curl -sILf "${mastoinfo}" | grep -iq 'Content-Type: application/json'; then
         echo "Mastodon API found."
         json=$(curl -s "${mastoinfo}")
         local implementation=""
@@ -143,6 +143,10 @@ function main()
         curl -I "https://${instance}/"
     fi
 
+    if curl -sILf "${instance}" | grep -q 'Server: cloudflare'; then
+        echo "Uses CloudFlare."
+    fi
+
     echo "See also: https://fediverse.network/${instance}"
 }