Created
July 2, 2015 11:26
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Get OAUTH2.0 access token for Google Voice with a shell-script
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#!/bin/bash | |
## | |
## Authenticate with Google Voice | |
## | |
USAGE="`basename $0` {auth|refresh|token} ctx" | |
CTX_DIR=$HOME/.gvauth | |
CLIENT_ID="YOUR_CLIENTID_FROM_GOOGLE_DEVELOPER_CONSOLE" | |
CLIENT_SECRET="YOUR_CLIENTSECRET_FROM_GOOGLE_DEVELOPER_CONSOLE" | |
SCOPE="https://www.googleapis.com/auth/googletalk%20https://www.googleapis.com/auth/userinfo.email%20https://www.googleapis.com/auth/userinfo.profile" | |
ctx=default | |
function usage { | |
echo "Usage: `basename $0` [-h] [-c context] {init|token}" | |
exit | |
} | |
function age { | |
modified=`stat -c %X $1` | |
now=`date +%s` | |
expr $now - $modified | |
} | |
function refresh { | |
refresh_token=`cat $CTX_DIR/$ctx.refresh_token` | |
curl -si \ | |
-d client_id=$CLIENT_ID \ | |
-d client_secret=$CLIENT_SECRET \ | |
-d refresh_token=$refresh_token \ | |
-d grant_type=refresh_token \ | |
https://www.googleapis.com/oauth2/v3/token > $CTX_DIR/$ctx.refresh | |
grep access_token $CTX_DIR/$ctx.refresh | sed -e 's/.*: "//' -e 's/",//' > $CTX_DIR/$ctx.access_token | |
} | |
while getopts :hc: opt ; do | |
case $opt in | |
c) ctx=$OPTARG ;; | |
h) usage ;; | |
esac | |
done | |
shift $(($OPTIND - 1)) | |
cmd=$1 ; shift | |
mkdir -p $CTX_DIR | |
case $cmd in | |
init) | |
url=`curl -L -gsi \ | |
-d scope=$SCOPE \ | |
-d redirect_uri=urn:ietf:wg:oauth:2.0:oob \ | |
-d response_type=code \ | |
-d client_id=$CLIENT_ID\ | |
https://accounts.google.com/o/oauth2/auth | \ | |
grep Location: | \ | |
sed 's/Location: //'` | |
echo $url | xclip -in -selection clipboard | |
echo $url | |
echo -n "Code? " | |
read code | |
curl -s \ | |
-d client_id=$CLIENT_ID \ | |
-d client_secret=$CLIENT_SECRET \ | |
-d code=$code \ | |
-d grant_type=authorization_code \ | |
-d redirect_uri=urn:ietf:wg:oauth:2.0:oob \ | |
https://www.googleapis.com/oauth2/v3/token > $CTX_DIR/$ctx.init | |
grep access_token $CTX_DIR/$ctx.init | sed -e 's/.*: "//' -e 's/",//' > $CTX_DIR/$ctx.access_token | |
grep refresh_token $CTX_DIR/$ctx.init | sed -e 's/.*: "//' -e 's/"//' > $CTX_DIR/$ctx.refresh_token | |
echo "Done" | |
;; | |
token) | |
if [ ! -f $CTX_DIR/$ctx.access_token ] ; then | |
echo "Unknown context: $ctx. Try initing first." | |
exit | |
fi | |
age=`age $CTX_DIR/$ctx.access_token` | |
if [ $age -gt 3600 ] ; then | |
refresh | |
fi | |
cat $CTX_DIR/$ctx.access_token | |
;; | |
*) | |
usage | |
esac |
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