From 960d8647437f7127a6de167b974b8f7aafc77130 Mon Sep 17 00:00:00 2001
From: Samuel Fadel <samuel@nihil.ws>
Date: Thu, 19 Jan 2023 10:04:51 +0100
Subject: Added first few utilities

---
 bin/google-oauth2 | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100755 bin/google-oauth2

(limited to 'bin/google-oauth2')

diff --git a/bin/google-oauth2 b/bin/google-oauth2
new file mode 100755
index 0000000..3ef43b9
--- /dev/null
+++ b/bin/google-oauth2
@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# Reads client secret and client token from STDIN (slightly better than as
+# args, which are public), one in each line respectively.
+#
+# Calls into Google's OAuth2 API with that info to retrieve an access token,
+# which is output to STDOUT.
+#
+# CLIENT_ID is the only argument taken by this script.
+
+CLIENT_ID=$1
+read -r CLIENT_SECRET
+read -r REFRESH_TOKEN
+
+curl --silent \
+    --data client_id=$CLIENT_ID \
+    --data client_secret=$CLIENT_SECRET \
+    --data grant_type=refresh_token \
+    --data refresh_token=$REFRESH_TOKEN \
+    'https://www.googleapis.com/oauth2/v4/token' | jq -r .access_token
\ No newline at end of file
-- 
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