youtube-utils/scripts/yt-api-helper.sh

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#!/bin/zsh
print_help()
{
echo "Usage: yt-api-helper -i [-c <client>] [-e <endpoint>]"
echo "Usage: yt-api-helper -e <endpoint> -d <data>"
echo ""
echo "Options:"
echo " -c,--client Client to use. Pass 'help' to this option to get"
echo " the list of supported clients"
echo " -d,--data Raw data to send to the API"
echo " -e,--endpoint Youtube endpoint to request. Pass 'help' to this"
echo " option to get the list of supported endpoints"
echo " -h,--help Show this help"
echo " -i,--interactive Run in interactive mode"
echo " -o,--output Print output to file instead of stdout"
echo ""
}
print_clients()
{
echo "Available clients:"
echo "web"
echo "web-embed"
echo "web-mobile"
echo "android"
echo "android-embed"
}
print_endpoints()
{
echo "Available endpoints:"
echo "browse"
echo "browse-continuation"
echo "next"
echo "next-continuation"
echo "player"
echo "resolve"
}
is_arg()
{
case $1 in
-c|--client) true;;
-d|--data) true;;
-e|--endpoint) true;;
-h|--help) true;;
-i|--interactive) true;;
-o|--output) true;;
*) false;;
esac
}
#
# Parameters init
#
interactive=false
client_option=""
endpoint_option=""
data=""
#
# Interactive client selection
#
while :; do
# Exit if no more arguments to parse
if [ $# -eq 0 ]; then break; fi
case $1 in
-c|--client)
shift
if [ $# -eq 0 ] || $(is_arg "$1"); then
echo "Error: missing argument after -c/--client"
return 2
fi
client_option=$1
;;
-d|--data)
shift
if [ $# -eq 0 ] || $(is_arg "$1"); then
echo "Error: missing argument after -d/--data"
return 2
fi
data=$1
;;
-e|--endpoint)
shift
if [ $# -eq 0 ] || $(is_arg "$1"); then
echo "Error: missing argument after -e/--endpoint"
return 2
fi
endpoint_option=$1
;;
-h|--help)
print_help
return 0
;;
-i|--interactive)
interactive=true
;;
-o|--output)
shift
if [ $# -eq 0 ] || $(is_arg "$1"); then
echo "Error: missing argument after -o/--output"
return 2
fi
output="$1"
;;
*)
echo "Error: unknown argument '$1'"
return 2
;;
esac
shift
done
#
# Input validation
#
if [ ! -z "$data" ]; then
# Can't pass data in interactive mode
if [ $interactive = true ]; then
echo "Error: -d/--data can't be used with -i/--interactive"
return 2
fi
# Can't pass client in non-interactive mode (must be part of data)
if [ ! -z $client_option ]; then
echo "Error: -c/--client can't be used with -d/--data"
return 2
fi
# Endpoint must be given if non-interactive mode
if [ -z $endpoint_option ]; then
echo "Error: In non-interactive mode, an endpoint must be passed with -e/--endpoint"
return 2
fi
fi
if [ -z "$data" ] && [ $interactive = false ]; then
# Data must be given if non-interactive mode
echo "Error: In non-interactive mode, data must be passed with -d/--data"
return 2
fi
if [ -z "$output" ] && [ $interactive = true ]; then
printf "\nIt is recommended to use --output in interactive mode.\nContinue? [y/N]: "
read confirm
if [ -z $confirm ]; then confirm="n"; fi
case $confirm in
[Yy]|[Yy][Ee][Ss]) ;;
*) return 0;;
esac
fi
#
# Client selection
#
if [ -z $client_option ]; then
printf "Enter a client to use [web]: "
read client_option
if [ -z $client_option ]; then client_option="web"; fi
fi
case $client_option in
help)
print_clients
return 0
;;
web)
apikey="AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8"
client_name="WEB"
client_vers="2.20210721.00.00"
;;
web-embed)
apikey="AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8"
client_name="WEB_EMBEDDED_PLAYER"
client_vers="1.20210721.1.0"
;;
web-mobile)
apikey="AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8"
client_name="MWEB"
client_vers="2.20210726.08.00"
;;
android)
apikey= "AIzaSyA8eiZmM1FaDVjRy-df2KTyQ_vz_yYM39w"
client_name="ANDROID"
client_vers="16.20"
;;
android-embed)
apikey="AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8"
client_name="ANDROID_EMBEDDED_PLAYER"
client_vers="16.20"
;;
*)
echo "Error: Unknown client '$client_option'"
echo ""
print_clients
return 1
;;
esac
#
# Endpoint selection
#
if [ -z $endpoint_option ]; then
printf "Enter an endpoint to request []: "
read endpoint_option
fi
case $endpoint_option in
help)
print_endpoints
return 0
;;
browse)
endpoint="youtubei/v1/browse"
if [ $interactive = true ]; then
printf "Enter browse ID [UCXuqSBlHAE6Xw-yeJA0Tunw]: "
read browse_id
if [ -z $browse_id ]; then browse_id="UCXuqSBlHAE6Xw-yeJA0Tunw"; fi
partial_data="\"browseId\":\"${browse_id}\""
printf "Enter optional parameters (base64-encoded protobuf) []: "
read params
if [ ! -z $params ]; then
partial_data="${partial_data},\"params\":\"${params}\""
fi
fi
;;
browse-cont*|browse-tok*)
endpoint="youtubei/v1/browse"
if [ $interactive = true ]; then
printf "Enter continuation token []: "
read token
if [ -z $token ]; then echo "Error: token required"; return 1; fi
partial_data="\"continuation\":\"${token}\""
fi
;;
player|next)
endpoint="youtubei/v1/$endpoint_option"
if [ $interactive = true ]; then
printf "Enter video ID [dQw4w9WgXcQ]: "
read vid
if [ -z $vid ]; then vid="dQw4w9WgXcQ"; fi
partial_data="\"videoId\":\"${vid}\""
if [ "$endpoint_option" = "player" ]; then
printf "Enter optional parameters (base64-encoded protobuf) []: "
read params
if [ ! -z $params ]; then
partial_data="${partial_data},\"params\":\"${params}\""
fi
fi
fi
;;
next-cont*|next-tok*)
endpoint="youtubei/v1/next"
if [ $interactive = true ]; then
printf "Enter continuation token []: "
read token
if [ -z $token ]; then echo "Error: token required"; return 1; fi
partial_data="\"continuation\":\"${token}\""
fi
;;
resolve)
endpoint="navigation/resolve_url"
if [ $interactive = true ]; then
printf "Enter URL []: "
read url
if [ -z $url ]; then echo "Error: URL required"; return 1; fi
partial_data="\"url\":\"${url}\""
fi
;;
*)
echo "Error: Unknown endpoint '$endpoint_option'"
echo ""
print_clients
return 1
;;
esac
#
# Interactive language/region selection
#
if [ $interactive = true ]; then
printf "Enter content language (hl) [en]: "
read hl
printf "Enter content region (gl) [US]: "
read gl
if [ -z $hl ]; then hl="en"; fi
if [ -z $gl ]; then gl="US"; fi
client="\"clientName\":\"${client_name}\",\"clientVersion\":\"${client_vers}\",\"hl\":\"${hl}\",\"gl\":\"${gl}\""
fi
#
# Final command
#
if [ $interactive = true ]; then
data="{\"context\":{\"client\":{$client}},$partial_data}"
# Basic debug
echo "sending:"
echo "$data" | sed 's/{/{\n/g; s/}/\n}/g; s/,/,\n/g'
fi
url="https://www.youtube.com/${endpoint}?key=${apikey}"
# Headers
hdr_ct='Content-Type: application/json; charset=utf-8'
hdr_ua='User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:78.0) Gecko/20100101 Firefox/78.0'
# Default to STDOUT if no output file was given
if [ -z "output" ]; then output='-'; fi
# Run!
curl --compressed -o "$output" -H "$hdr_ct" -H "$hdr_ua" --data "$data" "$url"