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|
#!/usr/bin/env bash
set -e
VERSION=0.1
LOGIN_PAGE=https://www.humblebundle.com/login
HOME_PAGE=https://www.humblebundle.com/home
COOKIE_JAR=
FILE=
DESTINATION=
DOWNLOAD=1
LISTING_PAGES=()
USERNAME=
PASSWORD=
KEYS=()
login() {
/usr/bin/curl -s --cookie-jar "$COOKIE_JAR" \
--data "username=$USERNAME" --data "password=$PASSWORD" "$LOGIN_PAGE"
}
discover_url() {
local LISTING_PAGE="$1"
/usr/bin/curl -s --cookie "$COOKIE_JAR" "$LISTING_PAGE" | grep "/$FILE?" | \
sed -e "s/.* data-web='\([^']*\)'.*/\1/" | head -n 1
}
usage() {
echo "hib-dlagent $VERSION"
echo "Tool to download Humble Indie Bundle binaries by file name"
echo
echo "Usage: $0 [OPTIONS] FILE"
echo "Options:"
echo " -h This help"
echo " -k <key> Search key's files. Use multiple times for multiple keys"
echo " -o <file> Name to use when saving file"
echo " -p <pass> Use pass to login. If specified multiple times, the last is"
echo " used"
echo " -s Print URL to stdout instead of downloading"
echo " -u <user> Use user to login. Search account's files. If specified"
echo " multiple times, the last is used"
echo
echo "If you specify -u, then all of that account's bundles are searched. If"
echo "a key is associated with a HIB account then you must use -u/-p, since"
echo "that key only works when logged into that account. It is not helpful to"
echo "specify -k for bundles associated with an account."
}
main() {
if [ $# -eq 0 ]; then
usage
exit 1
fi
while getopts "hk:o:p:su:" opt; do
case $opt in
\?)
exit 1
;;
h)
usage
exit 1
;;
k)
KEYS+=("$OPTARG")
;;
o)
DESTINATION="$OPTARG"
;;
p)
PASSWORD="$OPTARG"
;;
s)
DOWNLOAD=0
;;
u)
USERNAME="$OPTARG"
;;
esac
done
shift $(($OPTIND - 1))
if [ $# == 0 ]; then
echo "Missing argument FILE" >&2
exit 1
fi
if [ $# != 1 ]; then
echo "Unexpected argument: $2" >&2
exit 1
fi
COOKIE_JAR=$(mktemp)
FILE="${1#hib://}"
if [ -z "$DESTINATION" ]; then
DESTINATION="${FILE##*/}"
fi
if [ -n "$USERNAME" ]; then
login;
LISTING_PAGES+=("$HOME_PAGE")
fi
for KEY in "${KEYS[@]}"; do
LISTING_PAGES+=("https://www.humblebundle.com/downloads?key=$KEY")
done
if [ -z "$LISTING_PAGES" ]; then
echo "You must specify at least one of -u and -k" >&1
exit 1
fi
for LISTING_PAGE in "${LISTING_PAGES[@]}"; do
URL=$(discover_url "$LISTING_PAGE")
if [ -n "$URL" ]; then break; fi
done
# Cookie no longer necessary.
rm "$COOKIE_JAR"
if [ ! -n "$URL" ]; then
echo "Could not find URL for file: $FILE" >&2
exit 2
fi
if [ $DOWNLOAD -eq 0 ]; then
echo "$URL"
else
/usr/bin/curl -C - --retry 3 --retry-delay 3 -o "$DESTINATION" "$URL"
fi
}
main "$@"
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