Firs commit

diff --git a/mercedes_me_api.sh b/mercedes_me_api.sh
new file mode 100755 (executable)
index 0000000..1ef1333
--- /dev/null
+++ b/mercedes_me_api.sh
@@ -0,0 +1,150 @@
+#!/bin/bash
+
+# Author: G. Ravera
+# Version 0.1
+# Creation Date: 28/09/2020
+#
+# Change log:
+#             0.1 - First Issue
+
+# Static Parameters
+NAME=mercedes_me_api.sh
+CLIENT_ID="XXX"
+CLIENT_SECRET="XXX"
+REDIRECT_URL="https://localhost"
+SCOPE="mb:vehicle:mbdata:fuelstatus mb:vehicle:mbdata:vehiclestatus mb:vehicle:mbdata:vehiclelock offline_access"
+STATE="12345678"
+VEHICLE_ID="XXX"
+TOKEN_FILE=".mercedes_token"
+
+# URL
+RES_URL="https://api.mercedes-benz.com/vehicledata/v2/vehicles/$VEHICLE_ID/resources"
+
+# Resources
+RES_FUEL=(rangeliquid tanklevelpercent)
+RES_LOCK=(doorlockstatusvehicle doorlockstatusdecklid doorlockstatusgas positionHeading)
+RES_STAT=(doorlockstatusdecklid doorstatusfrontleft doorstatusfrontright doorstatusrearleft doorstatusrearright \
+          interiorLightsFront interiorLightsRear lightswitchposition readingLampFrontLeft readingLampFrontRight \
+          rooftopstatus sunroofstatus \
+          windowstatusfrontleft windowstatusfrontright windowstatusrearleft windowstatusrearright
+)
+
+function usage ()
+{
+  echo "Usage:    $NAME <arguments>"
+  echo
+  echo "Example:  $NAME --token --fuel"
+  echo "     or:  $NAME -l"
+  echo
+  echo "Arguments:"
+  echo "    -t, --token        Procedure to obtatin the Access Token (stored into $TOKEN_FILE)"
+  echo "    -r, --refresh      Procedure to refresh the Access Token (stored into $TOKEN_FILE)"
+  echo "    -f, --fuel         Retrive the Fuel Status of your Vehicle"
+  echo "    -l, --lock         Retrive the Lock Status of your Vehicle"
+  echo "    -s, --status       Retrive the General Status of your Vehicle"
+  exit
+}
+
+function parse_options ()
+{
+       # Check Options
+       OPT=$(getopt -o trfls --long token,refresh,fuel,lock,status -n "$NAME parse-error" -- "$@")
+       if [ $? != 0 ] || [ $# -eq 0 ]; then
+               usage
+       fi
+
+       eval set -- "$OPT"
+
+       # Parse Options
+       while [ $# -gt 0 ]; do
+               case $1 in
+                       -t | --token )
+        getAuthCode
+        shift
+                               ;;
+      -r | --refresh )
+        refreshAuthCode
+        shift
+                               ;;
+                       -f | --fuel )
+                               printStatus "${RES_FUEL[@]}"
+                               shift
+                               ;;
+                       -l | --lock )
+                               printStatus "${RES_LOCK[@]}"
+                               shift
+                               ;;
+                       -s | --status )
+                               printStatus "${RES_STAT[@]}"
+                               shift
+                               ;;
+                       * ) shift ;;
+               esac
+       done
+}
+
+function generateBase64 ()
+{
+  BASE64=$(echo -n $CLIENT_ID:$CLIENT_SECRET | base64 | sed -r 's/ //')
+  BASE64=$(echo $BASE64 | sed -r 's/ //')
+}
+
+function getAuthCode () 
+{
+  generateBase64
+  
+  echo "Open the browser and insert this link:"
+  echo 
+  echo "https://id.mercedes-benz.com/as/authorization.oauth2?response_type=code&client_id=$CLIENT_ID&redirect_uri=$REDIRECT_URL&scope=$SCOPE"
+  #echo "https://id.mercedes-benz.com/as/authorization.oauth2?response_type=code&client_id=$CLIENT_ID&redirect_uri=$REDIRECT_URL&scope=$SCOPE&state=$STATE"
+  echo 
+  echo "Copy the code in the url:"
+
+  read AUTH_CODE
+
+  TOKEN=$(curl --request POST \
+               --url https://id.mercedes-benz.com/as/token.oauth2 \
+               --header "Authorization: Basic $BASE64" \
+               --header "content-type: application/x-www-form-urlencoded" \
+               --data "grant_type=authorization_code&code=$AUTH_CODE&redirect_uri=$REDIRECT_URL")
+
+  echo $TOKEN > $TOKEN_FILE
+}
+
+function refreshAuthCode ()
+{
+  generateBase64
+  extractRefreshToken
+
+  TOKEN=$(curl --request POST \
+               --url https://id.mercedes-benz.com/as/token.oauth2 \
+               --header "Authorization: Basic $BASE64" \
+               --header "content-type: application/x-www-form-urlencoded" \
+               --data "grant_type=refresh_token&refresh_token=$REFRESH_CODE")
+
+  echo $TOKEN > $TOKEN_FILE
+}
+
+function extractAccessToken ()
+{
+  ACCESS_TOKEN=$(cat $TOKEN_FILE | sed -e "s/{//g;s/}//g" | sed -e "s/",/"\n/g" | sed -e "s/:/:\t/g" | grep access_token |awk '{print $2'} | sed -e "s/\"//g")
+}
+
+function extractRefreshToken ()
+{
+  REFRESH_CODE=$(cat $TOKEN_FILE | sed -e "s/{//g;s/}//g" | sed -e "s/",/"\n/g" | sed -e "s/:/:\t/g" | grep refresh_token |awk '{print $2'} | sed -e "s/\"//g")
+}
+
+function printStatus ()
+{
+  extractAccessToken
+
+  for r in "$@"
+    do
+    echo "Retriving $r:"
+    curl -X GET "$RES_URL/$r" -H "accept: application/json;charset=utf-8" -H "authorization: Bearer $ACCESS_TOKEN"
+    echo
+  done
+}
+
+parse_options $@
\ No newline at end of file