Haketilo

Files: upload_amo.sh

Copyright: 2021 Wojtek Kosior <koszko@koszko.org>

License: GPL-3+

Comment: Wojtek Kosior promises not to sue.

#!/bin/sh

# This file is part of Haketilo

#

# Copyright (C) 2021, Wojtek Kosior

#

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <https://www.gnu.org/licenses/>.

#

#

# I, Wojtek Kosior, thereby promise not to sue for violation of this file's

# license. Although I request that you do not make use this code in a

# proprietary program, I am not going to enforce this in court.

set -e

base64url() {

    echo -n "$1" | base64 -w 0 | tr '/+' '_-' | tr -d '='

}

sha256hmac() {

    base64url "$(echo -n "$2" | openssl dgst -sha256 -hmac "$1" -binary -)"

}

if [ $# != 3 ]; then

   echo "Usage:  $0 API_KEY SECRET XPI_PATH" 1>&2

   exit 1

fi

API_KEY="$1"

SECRET="$2"

XPI_PATH="$3"

JWT_HEAD='{"alg":"HS256", "typ":"JWT"}'

JWT_ID=$(dd if=/dev/random bs=21 count=1 2>/dev/null | base64)

ISSUED_AT_TIME=$(date -u +%s)

EXPIRATION_TIME=$((ISSUED_AT_TIME + 300))

JWT_PAYLOAD=$(cat <<EOF

{

    "iss": "$API_KEY",

    "jti": "$JWT_ID",

    "iat": $ISSUED_AT_TIME,

    "exp": $EXPIRATION_TIME

}

EOF

	   )

JWT_MESSAGE=$(base64url "$JWT_HEAD").$(base64url "$JWT_PAYLOAD")

JWT_SIGNATURE=$(sha256hmac "$SECRET" "$JWT_MESSAGE")

JWT=$JWT_MESSAGE.$JWT_SIGNATURE

# Query one of Mozilla endpoints to verify that JWT authentication works.

curl "https://addons.mozilla.org/api/v5/accounts/profile/" \

     -H "Authorization: JWT $JWT"

# TODO: Do the actual upload.