66 lines
2 KiB
Bash
66 lines
2 KiB
Bash
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#!/bin/bash
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# This script fetches and caches album art for the current song.
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# It's designed to be called by EWW and is optimized to minimize
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# network and disk I/O.
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WIDGET_DIR=$(dirname "$0")
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DEFAULT_COVER="$WIDGET_DIR/assets/DEFAULTImage.jpeg"
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CACHE_DIR="$HOME/.cache/eww/music-widget"
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mkdir -p "$CACHE_DIR"
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# Function to safely exit with the default cover
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show_default_cover() {
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echo "$DEFAULT_COVER"
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exit 0
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}
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# Get the art URL. Exit if player is not running or no URL is available.
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COVER_URL=$(playerctl metadata mpris:artUrl 2>/dev/null)
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if [[ -z "$COVER_URL" ]]; then
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show_default_cover
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fi
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# If it's a local file (file://), decode the path and use it directly.
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if [[ "$COVER_URL" == file://* ]]; then
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# URL-decode the path to handle special characters like spaces
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LOCAL_PATH=$(printf '%b' "${COVER_URL#file://}")
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if [[ -f "$LOCAL_PATH" ]]; then
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echo "$LOCAL_PATH"
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exit 0
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else
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show_default_cover
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fi
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fi
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# For web URLs, we hash the URL to create a unique filename for caching.
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URL_HASH=$(echo -n "$COVER_URL" | md5sum | awk '{print $1}')
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# Try to get a file extension from the URL, default to .jpg if it's weird.
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EXTENSION="${COVER_URL##*.}"
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if [[ "$EXTENSION" == "$COVER_URL" ]] || [[ ${#EXTENSION} -gt 5 ]]; then
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EXTENSION="jpg"
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fi
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CACHED_COVER="$CACHE_DIR/$URL_HASH.$EXTENSION"
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# If the cover is not already cached, download it.
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if [ ! -f "$CACHED_COVER" ]; then
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# Download with a 5-second timeout. If it fails or the downloaded file is empty,
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# clean up and show the default cover.
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curl -s -L --max-time 5 "$COVER_URL" -o "$CACHED_COVER"
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if [[ $? -ne 0 ]] || [[ ! -s "$CACHED_COVER" ]]; then
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rm -f "$CACHED_COVER"
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show_default_cover
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fi
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fi
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# As a final sanity check, ensure the cached file is a valid image.
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# If not, remove the junk file and show the default cover.
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if file "$CACHED_COVER" | grep -qE 'image|jpeg|png|jpg|gif'; then
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echo "$CACHED_COVER"
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else
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rm -f "$CACHED_COVER"
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show_default_cover
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fi
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exit 0
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