62 lines
1.5 KiB
Bash
Executable File
62 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# getHash returns the hash of a given file.
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function getHash() {
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echo $(xxd -p -l20 -s 653 ${1})
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}
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# getActivationBytes returns the bytes needed to decrypt a given hash.
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function getActivationBytes() {
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json=$(curl -A 'audible-converter' https://aax.api.j-kit.me/api/v2/activation/${1})
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echo $(echo $json | jq '.activationBytes' | tr -d '"')
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}
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# createConfig creates a config file.
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function createConfig() {
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hash=$(getHash ${2})
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bytes=$(getActivationBytes $hash)
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echo "activationBytes=${bytes}" >> ${1}
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}
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# checkAudibleFile checks if a given file is valid and if not exits the program.
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function checkAudibleFile() {
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if [ ! -f ${1} ]; then
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echo "${1}" not found
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exit 1
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fi
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}
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function removeDRM() {
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ffmpeg -activation_bytes ${2} -i ${1} -c copy "$(basename ${1} | cut -f 1 -d '.').m4b"
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}
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function getChapterJSON() {
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echo $(ffprobe -i ${1} -print_format json -show_chapters -loglevel error -sexagesimal)
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}
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function getMetadataJSON() {
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echo $(ffprobe -show_format -print_format json ${1} | jq '.format.tags')
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}
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function getTitle() {
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echo $(echo ${1} | jq '.title')
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}
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settingsFile='./settings.conf'
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audibleFile=${1}
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checkAudibleFile $audibleFile
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# Check for config file
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if [ ! -f $settingsFile ]; then
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echo 'No config file'
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createConfig $settingsFile $audibleFile
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fi
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# Load settings
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. $settingsFile
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metadataJSON=$(getMetadataJSON $audibleFile)
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json=$(getMetadataJSON $audibleFile)
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removeDRM $audibleFile $activationBytes
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