From 02c967f608c4a254b29e755a3a5dfd7ba710a2e4 Mon Sep 17 00:00:00 2001
From: JustAnotherArchivist <JustAnotherArchivist@users.noreply.github.com>
Date: Tue, 18 Aug 2020 17:43:16 +0000
Subject: [PATCH] Add gofile.io download script

---
 gofile.io-dl | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100755 gofile.io-dl

diff --git a/gofile.io-dl b/gofile.io-dl
new file mode 100755
index 0000000..e0c1dfd
--- /dev/null
+++ b/gofile.io-dl
@@ -0,0 +1,53 @@
+#!/bin/bash
+set -f # No globbing
+set -C # No clobbering
+
+if [[ $# -ne 1 || ( ! "$1" =~ ^https://gofile\.io/d/[0-9a-zA-Z]+$ && ! "$1" =~ ^https://gofile\.io/\?c=[0-9a-zA-Z]+$ ) ]]
+then
+	echo 'Usage: gofile.io-dl URL' >&2
+	exit 1
+fi
+
+url="$1"
+if [[ "${url}" == *'?c='* ]]
+then
+	code="${url##*=}"
+else
+	code="${url##*/}"
+fi
+
+server="$(curl -s "https://apiv2.gofile.io/getServer?c=${code}" | python3 -c 'import json,sys; print(json.loads(sys.stdin.read().strip())["data"]["server"])')"
+if [[ "${server}" != srv-file?? ]]
+then
+	echo "Unexpected server value: ${server}" >&2
+	exit 1
+fi
+
+read -d '' -r size md5 name link < <(curl -s "https://${server}.gofile.io/getUpload?c=${code}" | python3 -c 'import json,sys; obj = json.loads(sys.stdin.read().strip())'$'\n''for f in obj["data"]["files"].values():'$'\n'' print(f["size"], f["md5"], f["name"], f["link"])')
+
+if [[ "${name}" == *'/'* || "${link}" == *' '* || "${link}" != "https://${server}.gofile.io/download/"* ]]
+then
+	echo 'Cannot download file:' >&2
+	echo "name: ${name}" >&2
+	echo "link: ${link}" >&2
+	echo "size: ${size}" >&2
+	echo "md5: ${md5}" >&2
+	exit 1
+fi
+
+if [[ -e "./${name}" ]]
+then
+	echo "./${name} already exists" >&2
+	exit 1
+fi
+
+curl "${link}" >"./${name}"
+
+declare -i actualSize=$(stat -c %s "./${name}")
+if [[ ${actualSize} -ne ${size} ]]
+then
+	echo "Size mismatch: expected ${size}, got ${actualSize}" >&2
+	exit 1
+fi
+
+md5sum -c <<<"${md5}  ./${name}"