317 lines
12 KiB
Bash
317 lines
12 KiB
Bash
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#!/bin/sh
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#
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# Amazon Alexa Remote Control
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# alex(at)loetzimmer.de
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#
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# 2017-10-10: v0.1 initial release
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# 2017-10-11: v0.2 TuneIn Station Search
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# 2017-10-11: v0.2a commands on special device "ALL" are executed on all ECHO+WHA
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# 2017-10-16: v0.3 added playback of library tracks
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#
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###
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#
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# (no BASHisms were used, should run with any shell)
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# - requires cURL for web communication
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# - sed and awk for extraction
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# - jq as command line JSON parser (optional for the fancy bits)
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#
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##########################################
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EMAIL="amazon_account@email.address"
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PASSWORD="Very_Secret_Amazon_Account_Password"
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###########################################
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# nothing to configure below here
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#
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COOKIE="/tmp/.alexa.cookie"
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DEVLIST="/tmp/.alexa.devicelist.json"
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TMP="/tmp/"
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GUIVERSION=1.24.2698.0
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OPTIND=1
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LIST=""
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LOGOFF=""
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COMMAND=""
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STATIONID=""
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SONG=""
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while getopts "h?lad:e:r:s:" opt; do
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case "$opt" in
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s)
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SONG=$OPTARG
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;;
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e)
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COMMAND=$OPTARG
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;;
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r)
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STATIONID=$OPTARG
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# stationIDs are "s1234" or "s12345"
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if [ -n "${STATIONID##s[0-9][0-9][0-9][0-9]}" -a -n "${STATIONID##s[0-9][0-9][0-9][0-9][0-9]}" ] ; then
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# search for station name
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STATIONID=$(curl -s --data-urlencode "query=${STATIONID}" -G "https://api.tunein.com/profiles?fullTextSearch=true" | jq -r '.Items[] | select(.ContainerType == "Stations") | .Children[] | select( .Index==1 ) | .GuideId')
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if [ -z "$STATIONID" ] ; then
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echo "ERROR: no Station \"$OPTARG\" found on TuneIn"
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exit 1
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fi
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fi
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;;
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d)
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DEVICE=$OPTARG
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;;
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l)
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LOGOFF="true"
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;;
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a)
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LIST="true"
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;;
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*)
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echo "$0 [-d <device>|ALL] -e <pause|play|next|prev|fwd|rwd|shuffle|vol:<0-100>> | -r <\"station name\"|stationid> | -s <trackID> | -a | -l | -h"
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echo " -e : run command"
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echo " -r : play tunein radio"
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echo " -s : play library track"
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echo " -a : list available devices"
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echo " -l : logoff"
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echo " -h : help"
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exit 0
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;;
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esac
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done
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case "$COMMAND" in
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pause)
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COMMAND='{"type":"PauseCommand"}'
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;;
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play)
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COMMAND='{"type":"PlayCommand"}'
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;;
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next)
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COMMAND='{"type":"NextCommand"}'
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;;
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prev)
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COMMAND='{"type":"PreviousCommand"}'
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;;
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fwd)
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COMMAND='{"type":"ForwardCommand"}'
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;;
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rwd)
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COMMAND='{"type":"RewindCommand"}'
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;;
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shuffle)
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COMMAND='{"type":"ShuffleCommand","shuffle":"true"}'
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;;
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vol:*)
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VOL=${COMMAND##*:}
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# volume as integer!
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if [ $VOL -le 100 -a $VOL -ge 0 ] ; then
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COMMAND='{"type":"VolumeLevelCommand","volumeLevel":'${VOL}'}'
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else
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echo "ERROR: volume should be an integer between 0 and 100"
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exit 1
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fi
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;;
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"")
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;;
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*)
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echo "ERROR: unknown command \"${COMMAND}\"!"
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echo " valid commands are pause|play|next|prev|fwd|rwd|shuffle|vol:<0-100>"
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exit 1
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;;
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esac
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#
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# Amazon Login
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#
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log_in()
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{
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################################################################
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#
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# following headers are required:
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# Accept-Language (possibly for determining login region)
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# User-Agent (CURL wouldn't store cookies without)
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#
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################################################################
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rm -f ${DEVLIST}
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rm -f ${COOKIE}
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#
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# get first cookie and write redirection target into referer
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#
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curl -s -D "${TMP}.alexa.header" -c ${COOKIE} -b ${COOKIE} -A "Mozilla/5.0" -H "Accept-Language: de,en" --compressed -H "DNT: 1" -H "Connection: keep-alive" -H "Upgrade-Insecure-Requests: 1" -L\
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https://alexa.amazon.de | grep "hidden" | sed 's/hidden/\n/g' | grep "value=\"" | sed -E 's/^.*name="([^"]+)".*value="([^"]+)".*/\1=\2\&/g' > "${TMP}.alexa.postdata"
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#
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# login empty to generate sessiion
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#
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curl -s -c ${COOKIE} -b ${COOKIE} -A "Mozilla/5.0" -H "Accept-Language: de,en" --compressed -H "DNT: 1" -H "Connection: keep-alive" -H "Upgrade-Insecure-Requests: 1" -L\
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-H "$(grep 'Location: ' ${TMP}.alexa.header | sed 's/Location: /Referer: /')" -d "@${TMP}.alexa.postdata" https://www.amazon.de/ap/signin | grep "hidden" | sed 's/hidden/\n/g' | grep "value=\"" | sed -E 's/^.*name="([^"]+)".*value="([^"]+)".*/\1=\2\&/g' > "${TMP}.alexa.postdata2"
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#
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# login with filled out form
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# !!! referer now contains session in URL
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#
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curl -s -c ${COOKIE} -b ${COOKIE} -A "Mozilla/5.0" -H "Accept-Language: de,en" --compressed -H "DNT: 1" -H "Connection: keep-alive" -H "Upgrade-Insecure-Requests: 1" -L\
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-H "Referer: https://www.amazon.de/ap/signin/$(awk '$0 ~/.amazon.de.*session-id[\s\t]/ {print $7}' ${COOKIE})" --data-urlencode "email=${EMAIL}" --data-urlencode "password=${PASSWORD}" -d "@${TMP}.alexa.postdata2" https://www.amazon.de/ap/signin > /dev/null
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#
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# get CSRF
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#
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curl -s -c ${COOKIE} -b ${COOKIE} -A "Mozilla/5.0" --compressed -H "DNT: 1" -H "Connection: keep-alive" -L\
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-H "Referer: https://alexa.amazon.de/spa/index.html" -H "Origin: https://alexa.amazon.de"\
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https://layla.amazon.de/api/language > /dev/null
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#
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# get JSON device list
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#
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curl -s -b ${COOKIE} -A "Mozilla/5.0" --compressed -H "DNT: 1" -H "Connection: keep-alive" -L\
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-H "Content-Type: application/json; charset=UTF-8" -H "Referer: https://alexa.amazon.de/spa/index.html" -H "Origin: https://alexa.amazon.de"\
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-H "csrf: $(awk '$0 ~/.amazon.de.*csrf[\s\t]/ {print $7}' ${COOKIE})"\
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https://layla.amazon.de/api/devices-v2/device > ${DEVLIST}
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rm -f "${TMP}.alexa.header"
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rm -f "${TMP}.alexa.postdata"
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rm -f "${TMP}.alexa.postdata2"
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}
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check_status()
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{
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#
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# bootstrap with GUI-Version writes GUI version to cookie
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# returns among other the current authentication state
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#
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AUTHSTATUS=$(curl -s -c ${COOKIE} -b ${COOKIE} -A "Mozilla/5.0" --compressed -H "DNT: 1" -H "Connection: keep-alive" -L https://layla.amazon.de/api/bootstrap?version=${GUIVERSION} | sed -E 's/^.*"authenticated":([^,]+),.*$/\1/g')
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if [ "$AUTHSTATUS" = "true" ] ; then
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return 1
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fi
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return 0
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}
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#
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# set device specific variables from JSON device list
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#
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set_var()
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{
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if [ -z "${DEVICE}" ] ; then
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# if no device was supplied, use the first Echo(dot) in device list
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echo "setting default device to:"
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DEVICE=$(jq -r '[ .devices[] | select(.deviceFamily == "ECHO" ) | .accountName] | .[0]' ${DEVLIST})
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echo ${DEVICE}
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fi
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DEVICETYPE=$(jq --arg device ${DEVICE} -r '.devices[] | select(.accountName == $device) | .deviceType' ${DEVLIST})
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DEVICESERIALNUMBER=$(jq --arg device ${DEVICE} -r '.devices[] | select(.accountName == $device) | .serialNumber' ${DEVLIST})
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MEDIAOWNERCUSTOMERID=$(jq --arg device ${DEVICE} -r '.devices[] | select(.accountName == $device) | .deviceOwnerCustomerId' ${DEVLIST})
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if [ -z "${DEVICESERIALNUMBER}" ] ; then
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echo "ERROR: unkown device dev:${DEVICE}"
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exit 1
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fi
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}
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#
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# list available devices from JSON device list
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#
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list_devices()
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{
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jq -r '.devices[].accountName' ${DEVLIST}
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}
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#
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# execute command
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#
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run_cmd()
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{
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curl -s -b ${COOKIE} -A "Mozilla/5.0" --compressed -H "DNT: 1" -H "Connection: keep-alive" -L\
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-H "Content-Type: application/json; charset=UTF-8" -H "Referer: https://alexa.amazon.de/spa/index.html" -H "Origin: https://alexa.amazon.de"\
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-H "csrf: $(awk '$0 ~/.amazon.de.*csrf[\s\t]/ {print $7}' ${COOKIE})" -X POST -d ${COMMAND}\
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"https://layla.amazon.de/api/np/command?deviceSerialNumber=${DEVICESERIALNUMBER}&deviceType=${DEVICETYPE}" > /dev/null
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}
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#
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# play TuneIn radio station
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#
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play_radio()
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{
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curl -s -b ${COOKIE} -A "Mozilla/5.0" --compressed -H "DNT: 1" -H "Connection: keep-alive" -L\
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-H "Content-Type: application/json; charset=UTF-8" -H "Referer: https://alexa.amazon.de/spa/index.html" -H "Origin: https://alexa.amazon.de"\
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-H "csrf: $(awk '$0 ~/.amazon.de.*csrf[\s\t]/ {print $7}' ${COOKIE})" -X POST\
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"https://layla.amazon.de/api/tunein/queue-and-play?deviceSerialNumber=${DEVICESERIALNUMBER}&deviceType=${DEVICETYPE}&guideId=${STATIONID}&contentType=station&callSign=&mediaOwnerCustomerId=${MEDIAOWNERCUSTOMERID}" > /dev/null
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}
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#
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# play library track
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#
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play_song()
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{
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curl -s -b ${COOKIE} -A "Mozilla/5.0" --compressed -H "DNT: 1" -H "Connection: keep-alive" -L\
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-H "Content-Type: application/json; charset=UTF-8" -H "Referer: https://alexa.amazon.de/spa/index.html" -H "Origin: https://alexa.amazon.de"\
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-H "csrf: $(awk '$0 ~/.amazon.de.*csrf[\s\t]/ {print $7}' ${COOKIE})" -X POST -d "{\"trackId\":\"${SONG}\",\"isoTimestamp\":\"$(date --utc +%FT%T.%3NZ)\",\"playQueuePrime\":false}"\
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"https://layla.amazon.de/api/cloudplayer/queue-and-play?deviceSerialNumber=${DEVICESERIALNUMBER}&deviceType=${DEVICETYPE}&guideId=${STATIONID}&contentType=station&callSign=&mediaOwnerCustomerId=${MEDIAOWNERCUSTOMERID}&shuffle=false" > /dev/null
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}
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#
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# logout
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#
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log_off()
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{
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curl -s -c ${COOKIE} -b ${COOKIE} -A "Mozilla/5.0" --compressed -H "DNT: 1" -H "Connection: keep-alive" -L\
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https://layla.amazon.de/logout > /dev/null
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rm -f ${DEVLIST}
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rm -f ${COOKIE}
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}
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if [ -z "$LIST" -a -z "$COMMAND" -a -z "$STATIONID" -a -z "$SONG" -a -n "$LOGOFF" ] ; then
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echo "only logout option present, logging off ..."
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log_off
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exit 0
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fi
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if [ ! -f ${DEVLIST} -o ! -f ${COOKIE} ] ; then
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echo "files do not exist. logging in ..."
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log_in
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fi
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check_status
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if [ $? -eq 0 ] ; then
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echo "cookie expired, logging in again ..."
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log_in
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fi
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if [ -n "$COMMAND" ] ; then
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if [ "${DEVICE}" = "ALL" ] ; then
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for DEVICE in $(jq -r '.devices[] | select( .deviceFamily == "ECHO" or .deviceFamily == "WHA") | .accountName' ${DEVLIST}) ; do
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set_var
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echo "sending cmd:${COMMAND} to dev:${DEVICE} type:${DEVICETYPE} serial:${DEVICESERIALNUMBER}"
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run_cmd
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done
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else
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set_var
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echo "sending cmd:${COMMAND} to dev:${DEVICE} type:${DEVICETYPE} serial:${DEVICESERIALNUMBER}"
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run_cmd
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fi
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elif [ -n "$STATIONID" ] ; then
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set_var
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echo "playing stationID:${STATIONID} on dev:${DEVICE} type:${DEVICETYPE} serial:${DEVICESERIALNUMBER} mediaownerid:${MEDIAOWNERCUSTOMERID}"
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play_radio
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elif [ -n "$SONG" ] ; then
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set_var
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echo "playing library track:${SONG} on dev:${DEVICE} type:${DEVICETYPE} serial:${DEVICESERIALNUMBER} mediaownerid:${MEDIAOWNERCUSTOMERID}"
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play_song
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elif [ -n "$LIST" ] ; then
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echo "the following devices exist in your account:"
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list_devices
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else
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echo "no alexa command received"
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fi
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if [ -n "$LOGOFF" ] ; then
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echo "logout option present, logging off ..."
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log_off
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fi
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