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#!/bin/sh
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# This file is part of Haketilo
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#
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# Copyright (C) 2021, Wojtek Kosior
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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#
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# I, Wojtek Kosior, thereby promise not to sue for violation of this file's
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# license. Although I request that you do not make use this code in a
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# proprietary program, I am not going to enforce this in court.
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set -e
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base64url() {
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echo -n "$1" | base64 -w 0 | tr '/+' '_-' | tr -d '='
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}
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sha256hmac() {
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base64url "$(echo -n "$2" | openssl dgst -sha256 -hmac "$1" -binary -)"
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}
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if [ $# != 3 ]; then
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echo "Usage: $0 API_KEY SECRET XPI_PATH" 1>&2
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exit 1
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fi
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API_KEY="$1"
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SECRET="$2"
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XPI_PATH="$3"
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JWT_HEAD='{"alg":"HS256", "typ":"JWT"}'
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JWT_ID=$(dd if=/dev/random bs=21 count=1 2>/dev/null | base64)
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ISSUED_AT_TIME=$(date -u +%s)
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EXPIRATION_TIME=$((ISSUED_AT_TIME + 300))
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JWT_PAYLOAD=$(cat <<EOF
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{
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"iss": "$API_KEY",
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"jti": "$JWT_ID",
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"iat": $ISSUED_AT_TIME,
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"exp": $EXPIRATION_TIME
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}
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EOF
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)
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JWT_MESSAGE=$(base64url "$JWT_HEAD").$(base64url "$JWT_PAYLOAD")
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JWT_SIGNATURE=$(sha256hmac "$SECRET" "$JWT_MESSAGE")
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JWT=$JWT_MESSAGE.$JWT_SIGNATURE
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# Query one of Mozilla endpoints to verify that JWT authentication works.
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curl "https://addons.mozilla.org/api/v5/accounts/profile/" \
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-H "Authorization: JWT $JWT"
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# TODO: Do the actual upload.
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