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105 lines
3.5 KiB
Bash
105 lines
3.5 KiB
Bash
#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2020-07-20 00:26:08 +0100 (Mon, 20 Jul 2020)
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#
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# https://github.com/HariSekhon/DevOps-Bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/HariSekhon
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#
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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libdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck disable=SC1090
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. "$libdir/utils.sh"
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offset="${SPOTIFY_OFFSET:-0}"
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# conservative, some API endpoints can take 100, others 50 - this is the safe choice but will go faster for those APIs if you can set 100 where appropriate
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limit="${SPOTIFY_LIMIT:-50}"
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if ! [[ "$offset" =~ ^[[:digit:]]+$ ]]; then
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echo "Invalid \$SPOTIFY_OFFSET = $offset found in environment" >&2
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exit 1
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fi
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if ! [[ "$limit" =~ ^[[:digit:]]+$ ]]; then
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echo "Invalid \$SPOTIFY_LIMIT = $limit found in environment" >&2
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exit 1
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fi
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spotify_token(){
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# tokens with authorization have length 281, tokens without 219, so if there is an unauthorized token in the environment, regenerate it to avoid 401 errors
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# [ -a ] works in bash and is the most concise way of doing this
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# shellcheck disable=SC2166
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if [ -z "${SPOTIFY_ACCESS_TOKEN:-}" ] ||
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[ -n "${SPOTIFY_PRIVATE:-}" -a "${#SPOTIFY_ACCESS_TOKEN}" -lt 280 ]; then
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SPOTIFY_ACCESS_TOKEN="$("$libdir/../spotify_api_token.sh")"
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fi
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export SPOTIFY_ACCESS_TOKEN
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}
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spotify_user(){
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spotify_user="${spotify_user:-${SPOTIFY_USER:-}}"
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if [ -z "$spotify_user" ]; then
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if [ -n "${SPOTIFY_PRIVATE:-}" ]; then
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spotify_user="$(SPOTIFY_PRIVATE=1 "$libdir/../spotify_api.sh" "/v1/me" | jq -r '.id')"
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else
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usage "\$SPOTIFY_USER not defined, and not using SPOTIFY_PRIVATE to auto-infer user from an authorized token"
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fi
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fi
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}
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# used by client scripts
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# shellcheck disable=SC2034
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usage_auth_msg="Requires \$SPOTIFY_ACCESS_TOKEN, or \$SPOTIFY_ID and \$SPOTIFY_SECRET to be defined in the environment"
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# srcdir defined in client scripts
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# shellcheck disable=SC2034,SC2154
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usage_token_private="export SPOTIFY_ACCESS_TOKEN=\"\$(SPOTIFY_PRIVATE=1 '$libdir/../spotify_api_token.sh')\""
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# shellcheck disable=SC2034
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usage_playlist_help="See spotify_playlists.sh --help for details on accessing private playlists"
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# shellcheck disable=SC2034
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usage_auth_help="See spotify_api_token.sh --help for authentication details and setting up your SPOTIFY_ID, SPOTIFY_SECRET and callback URL"
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get_next(){
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jq -r '.next' <<< "$*"
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}
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is_local_uri(){
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[[ "$1" =~ ^spotify:local:|open.spotify.com/local/ ]]
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}
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is_spotify_playlist_id(){
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#local playlist_id="${1:-}"
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#if [ -z "$playlist_id" ]; then
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# die "no playlist id passed to function is_spotify_playlist_id()"
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#fi
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[[ "$1" =~ [[:alnum:]]{22} ]]
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}
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validate_spotify_uri(){
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local uri="$1"
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if ! [[ "$uri" =~ ^(spotify:(track|album|artist):|^https?://open.spotify.com/(track|album|artist)/)?[[:alnum:]]+(\?.+)?$ ]]; then
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echo "Invalid URI provided: $uri" >&2
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return 1
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fi
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if [[ "$uri" =~ open.spotify.com/|^spotify: ]]; then
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if ! [[ "$uri" =~ open.spotify.com/${uri_type:-track}|^spotify:${uri_type:-track} ]]; then
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echo "Invalid URI type '${uri_type:-track}' vs URI '$uri'" >&2
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return 1
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fi
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fi
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uri="${uri##*[:/]}"
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uri="${uri%%\?*}"
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echo "$uri"
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}
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