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#!/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.
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