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Download entire iCloud shared albums
#!/bin/bash
# requires jq
# arg 1: iCloud web album URL
# arg 2: folder to download into (optional)
function curl_post_json {
curl -sH "Content-Type: application/json" -X POST -d "@-" "$@"
}
BASE_API_URL="https://p23-sharedstreams.icloud.com/$(echo $1 | cut -d# -f2)/sharedstreams"
pushd $2 > /dev/null
STREAM=$(echo '{"streamCtag":null}' | curl_post_json "$BASE_API_URL/webstream")
CHECKSUMS=$(echo $STREAM | jq -r '.photos[] | [(.derivatives[] | {size: .fileSize | tonumber, value: .checksum})] | max_by(.size | tonumber).value')
echo $STREAM \
| jq -c "{photoGuids: [.photos[].photoGuid]}" \
| curl_post_json "$BASE_API_URL/webasseturls" \
| jq -r '.items[] | "https://" + .url_location + .url_path' \
| while read URL; do
for CHECKSUM in $CHECKSUMS; do
if echo $URL | grep $CHECKSUM > /dev/null; then
curl -sOJ $URL &
break
fi
done
done
popd > /dev/null
wait
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