feat: added output path argument

1 files changed, 40 insertions, 13 deletions

diff --git a/scripts/mega-dl.sh b/scripts/mega-dl.sh
index 433c9e7..b19be68 100755
--- a/scripts/mega-dl.sh
+++ b/scripts/mega-dl.sh
@@ -36,13 +36,24 @@
 #  $ mv -f file.name.new file.name
 
 URL=""
+OUTPATH="$PWD"
+USAGE="Usage: ${0##*/} <url>"
 
 if [[ $1 =~ ^https?:\/\/mega(\.co)?\.nz ]]; then
 	URL="$1"
 fi
 
 if [[ ! $URL ]]; then
-	echo "Usage: ${0##*/} <url>" >&2
+	echo $USAGE >&2
+	exit 1
+fi
+
+if [[ ! -z "$2" ]]; then
+	OUTPATH="$2"
+fi
+
+if [[ ! -d "$OUTPATH" ]]; then
+	echo $USAGE >&2
 	exit 1
 fi
 
@@ -60,35 +71,51 @@ if $missing; then
 fi
 
 if [[ $URL =~ .*/file/[^#]*#[^#]* ]]; then
-	id="${URL#*file/}"; id="${id%%#*}"
-	key="${URL##*file/}"; key="${key##*#}"
+	id="${URL#*file/}"
+	id="${id%%#*}"
+	key="${URL##*file/}"
+	key="${key##*#}"
 else
-	id="${URL#*!}"; id="${id%%!*}"
+	id="${URL#*!}"
+	id="${id%%!*}"
 	key="${URL##*!}"
 fi
 
 raw_hex=$(echo "${key}=" | tr '\-_' '+/' | tr -d ',' | base64 -d -i 2>/dev/null | od -v -An -t x1 | tr -d '\n ')
-hex=$(printf "%016x" \
-	$(( 0x${raw_hex:0:16} ^ 0x${raw_hex:32:16} )) \
-	$(( 0x${raw_hex:16:16} ^ 0x${raw_hex:48:16} ))
+hex=$(
+	printf "%016x" \
+		$((0x${raw_hex:0:16} ^ 0x${raw_hex:32:16})) \
+		$((0x${raw_hex:16:16} ^ 0x${raw_hex:48:16}))
 )
 
-json=$($CURL -s -H 'Content-Type: application/json' -d '[{"a":"g", "g":"1", "p":"'"$id"'"}]' 'https://g.api.mega.co.nz/cs?id=&ak=') || exit 1; json="${json#"[{"}"; json="${json%"}]"}"
-file_url="${json##*'"g":'}"; file_url="${file_url%%,*}"; file_url="${file_url//'"'/}"
+json=$($CURL -s -H 'Content-Type: application/json' -d '[{"a":"g", "g":"1", "p":"'"$id"'"}]' 'https://g.api.mega.co.nz/cs?id=&ak=') || exit 1
+json="${json#"[{"}"
+json="${json%"}]"}"
+file_url="${json##*'"g":'}"
+file_url="${file_url%%,*}"
+file_url="${file_url//'"'/}"
 
 json=$($CURL -s -H 'Content-Type: application/json' -d '[{"a":"g", "p":"'"$id"'"}]' 'https://g.api.mega.co.nz/cs?id=&ak=') || exit 1
-at="${json##*'"at":'}"; at="${at%%,*}"; at="${at//'"'/}"
+at="${json##*'"at":'}"
+at="${at%%,*}"
+at="${at//'"'/}"
 
-json=$(echo "${at}==" | tr '\-_' '+/' | tr -d ',' | openssl enc -a -A -d -aes-128-cbc -K "$hex" -iv "00000000000000000000000000000000" -nopad | tr -d '\0'); json="${json#"MEGA{"}"; json="${json%"}"}"
+json=$(echo "${at}==" | tr '\-_' '+/' | tr -d ',' | openssl enc -a -A -d -aes-128-cbc -K "$hex" -iv "00000000000000000000000000000000" -nopad | tr -d '\0')
+json="${json#"MEGA{"}"
+json="${json%"}"}"
 file_name="${json##*'"n":'}"
 if [[ $file_name == *,* ]]; then
 	file_name="${file_name%%,*}"
 fi
 file_name="${file_name//'"'/}"
 
-curl -s "$file_url" | openssl enc -d -aes-128-ctr -K "$hex" -iv "${raw_hex:32:16}0000000000000000" > "$file_name"
+outfile="$OUTPATH/$file_name"
+
+$CURL -s "$file_url" | openssl enc -d -aes-128-ctr -K "$hex" -iv "${raw_hex:32:16}0000000000000000" >"$outfile"
+
+echo "$outfile"
 
 # echo "$file_url"
 # echo "$file_name"
 # echo "$hex"
-# echo "${raw_hex:32:16}0000000000000000"
\ No newline at end of file
+# echo "${raw_hex:32:16}0000000000000000"