Fetches Tesla OAUTH token to use with API from shell. Also spits out refresh token and expiry information.

tesla-token-from-bash.sh

#!/bin/bash
echo -n "USERNAME: "; read uname
echo -n "PASSWORD: "; stty -echo; read passwd; stty echo; echo
OAUTH=$(curl -s -i -X POST  -H 'Content-Type: application/json' -d "{\"grant_type\": \"password\", \"client_id\": \"81527cff06843c8634fdc09e8ac0abefb46ac849f38fe1e431c2ef2106796384\", \"client_secret\": \"c7257eb71a564034f9419ee651c7d0e5f7aa6bfbd18bafb5c5c033b093bb2fa3\", \"email\": \"$uname\",\"password\": \"$passwd\"}" "https://owner-api.teslamotors.com/oauth/token")
if [[ "$OAUTH" =~ \"access_token\":\ ?\"([0-9a-f]+)\" ]]; then
  access_token=${BASH_REMATCH[1]}
else
  echo "Error, no access token received:"
  echo $OAUTH
  exit 1
fi
if [[ "$OAUTH" =~ \"created_at\":\ ?([0-9]+) ]]; then
  created_at=${BASH_REMATCH[1]}
fi
if [[ "$OAUTH" =~ \"expires_in\":\ ?([0-9]+) ]]; then
  expires_in=${BASH_REMATCH[1]}
fi
if [[ "$OAUTH" =~ \"refresh_token\":\ ?\"([0-9a-f]+)\" ]]; then
  refresh_token=${BASH_REMATCH[1]}
fi
echo "Success!"
echo "access_token  $access_token"
echo "expires_in    $expires_in"
echo "refresh_token $refresh_token"
echo "created_at    $created_at"
expires_at=$((created_at+expires_in))
valid_from=`date -d "@$created_at" +'%Y-%m-%d %H:%M'`
valid_to=`date -d "@$expires_at" +'%Y-%m-%d %H:%M'`
echo "valid from    $valid_from"
echo "valid to      $valid_to"