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fully support aaxc

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fabh2o
2021-09-02 17:49:36 +02:00
parent 3d062fdba7
commit e9b111aa8a
1 changed files with 39 additions and 16 deletions
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AAXtoMP3
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@@ -297,7 +297,8 @@ if [ -z $auth_code ]; then
fi
fi
# No point going on if no authcode found.
if [ -z $auth_code ]; then
# If we use aaxc as input, we do not need it
if [ -z $auth_code ] || [ "${aaxc}" = "0" ]; then
echo "ERROR Missing authcode"
echo "$usage"
exit 1
@@ -390,8 +391,12 @@ validate_aax() {
# Clear the errexit value we want to capture the output of the ffprobe below.
set +e errexit
# Take a look at the aax file and see if it is valid.
output="$(ffprobe -loglevel warning -activation_bytes ${auth_code} -i "${media_file}" 2>&1)"
# Take a look at the aax file and see if it is valid. If the source file is aaxc, we give ffprobe additional flags
if [[ "${aaxc}" == "1" ]]; then
output="$(ffprobe -loglevel warning -audible_key "${aaxc_key}" -audible_iv "${aaxc_iv}" -i "${media_file}" 2>&1)"
else
output="$(ffprobe -loglevel warning -activation_bytes ${auth_code} -i "${media_file}" 2>&1)"
fi
# If invalid then say something.
if [[ $? != "0" ]] ; then
@@ -404,7 +409,11 @@ validate_aax() {
# This is a big test only performed when the --validate switch is passed.
if [[ "${VALIDATE}" == "1" ]]; then
output="$(ffmpeg -hide_banner -activation_bytes ${auth_code} -i "${media_file}" -vn -f null - 2>&1)"
if [[ "${aaxc}" == "1" ]]; then
output="$(ffmpeg -hide_banner -audible_key ${aaxc_key} -audible_iv ${aaxc_iv} -i "${media_file}" -vn -f null - 2>&1)"
else
output="$(ffmpeg -hide_banner -activation_bytes ${auth_code} -i "${media_file}" -vn -f null - 2>&1)"
fi
if [[ $? != "0" ]] ; then
log "ERROR: Invalid File: ${media_file}"
else
@@ -444,13 +453,14 @@ validate_extra_files() {
set -e errexit
if [[ "${aaxc}" == "1" ]]; then
extra_voucher="${extra_media_file}.voucher"
# bash trick to get file w\o extention (delete from end to the first '.')
extra_voucher="${extra_media_file%.*}.voucher"
if [[ ! -r "${extra_voucher}" ]] ; then
log "ERROR File NOT Found: ${extra_voucher}"
return 1
fi
aaxc_key=$(jq -r '.content_license.license_response.key' extra_voucher)
aaxc_iv=$(jq -r '.content_license.license_response.iv' extra_voucher)
aaxc_key=$(jq -r '.content_license.license_response.key' "${extra_voucher}")
aaxc_iv=$(jq -r '.content_license.license_response.iv' "${extra_voucher}")
fi
debug_vars "Audible-cli variables" extra_media_file extra_title extra_chapter_file extra_cover_file extra_find_command extra_eval_comm extra_dirname extra_voucher aaxc_key aaxc_iv
@@ -529,17 +539,22 @@ do
# It's just that if the validate option is set then we skip to next file.
# If however validate is not set and we proceed with the script any errors will
# case the script to stop.
# If the input file is aaxc, we need to first get the audible_key and audible_iv
# We get them in the function validate_extra_files
if [[ ${audibleCli} == "1" ]] ; then
# If we have additional files (obtained via audible-cli), be sure that they
# exists and they are in the correct location.
validate_extra_files "${aax_file}"
fi
validate_aax "${aax_file}"
if [[ ${VALIDATE} == "1" ]] ; then
# Don't bother doing anything else with this file.
continue
fi
if [[ ${audibleCli} == "1" ]] ; then
# If we have additional files (obtained via audible-cli), be sure that they
# exists and they are in the correct location.
validate_extra_files "${aax_file}"
fi
# -----
# Make sure everything is a variable. Simplifying Command interpretation
@@ -619,11 +634,19 @@ do
# Big long DEBUG output. Fully describes the settings used for transcoding.
# Note this is a long debug command. It's not critical to operation. It's purely for people debugging
# and coders wanting to extend the script.
debug_vars "Book and Variable values" title auth_code mode aax_file container codec bitrate artist album_artist album album_date genre copyright narrator description publisher currentDirNameScheme output_directory currentFileNameScheme output_file metadata_file working_directory
debug_vars "Book and Variable values" title auth_code aaxc aaxc_key aaxc_iv mode aax_file container codec bitrate artist album_artist album album_date genre copyright narrator description publisher currentDirNameScheme output_directory currentFileNameScheme output_file metadata_file working_directory
# Set the needed params to decrypt the file. Needed in the main command as
# well as in the variable total_lenght
if [[ ${aaxc} == "1" ]] ; then
decrypt_param="-audible_key ${aaxc_key} -audible_iv ${aaxc_iv}"
else
decrypt_params="-activation_bytes ${auth_code}"
fi
# Display the total length of the audiobook in format hh:mm:ss
# 10#$var force base-10 interpretation. By default it's base-8, so values like 08 or 09 are not octal numbers
total_length="$(ffprobe -v error -activation_bytes "${auth_code}" -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "${aax_file}" | cut -d . -f 1)"
total_length="$(ffprobe -v error ${decrypt_param} -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "${aax_file}" | cut -d . -f 1)"
hours="$((total_length/3600))"
if [ "$((hours<10))" = "1" ]; then hours="0$hours"; fi
minutes="$((total_length/60-60*10#$hours))"
@@ -642,10 +665,10 @@ do
if [ "${continue}" == "0" ]; then
# This is the main work horse command. This is the primary transcoder.
# This is the primary transcode. All the heavy lifting is here.
debug 'ffmpeg -loglevel error -stats -activation_bytes "${auth_code}" -i "${aax_file}" -vn -codec:a "${codec}" -ab ${bitrate} -map_metadata -1 -metadata title="${title}" -metadata artist="${artist}" -metadata album_artist="${album_artist}" -metadata album="${album}" -metadata date="${album_date}" -metadata track="1/1" -metadata genre="${genre}" -metadata copyright="${copyright}" "${output_file}"'
debug 'ffmpeg -loglevel error -stats ${decrypt_param} -i "${aax_file}" -vn -codec:a "${codec}" -ab ${bitrate} -map_metadata -1 -metadata title="${title}" -metadata artist="${artist}" -metadata album_artist="${album_artist}" -metadata album="${album}" -metadata date="${album_date}" -metadata track="1/1" -metadata genre="${genre}" -metadata copyright="${copyright}" "${output_file}"'
</dev/null ffmpeg -loglevel error \
-stats \
-activation_bytes "${auth_code}" \
${decrypt_param} \
-i "${aax_file}" \
-vn \
-codec:a "${codec}" \