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authorLeah Rowe <leah@libreboot.org>2023-09-29 03:20:02 +0100
committerLeah Rowe <leah@libreboot.org>2023-09-29 04:03:18 +0100
commit0bb3c596201a42ccee03d6d2b8513b42f850031e (patch)
tree0142462ef7dc99977bfe51fcf5d5f9501d87dddd /include/fetch.sh
parent5d934be7b0119426aaad1533921b75f8618d6d79 (diff)
update/blobs/*: unified download/checksum logic
Use the same logic between blobs/download and blobs/mrc. The logic is taken from blobs/download. Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'include/fetch.sh')
-rwxr-xr-xinclude/fetch.sh41
1 files changed, 41 insertions, 0 deletions
diff --git a/include/fetch.sh b/include/fetch.sh
new file mode 100755
index 00000000..08a1d044
--- /dev/null
+++ b/include/fetch.sh
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: GPL-3.0-only
+# SPDX-FileCopyrightText: 2023 Leah Rowe <leah@libreboot.org>
+
+agent="Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0"
+dl_path=""
+
+fetch()
+{
+ dl_type="${1}"
+ dl="${2}"
+ dl_bkup="${3}"
+ dlsum="${4}"
+ dl_path="${5}"
+ _fail="${6}"
+
+ mkdir -p "${dl_path%/*}" || "${_fail}" "fetch: !mkdir ${dl_path%/*}"
+
+ dl_fail="y"
+ vendor_checksum "${dlsum}" "${dl_path}" && dl_fail="n"
+ for url in "${dl}" "${dl_bkup}"; do
+ [ "${dl_fail}" = "n" ] && break
+ [ -z "${url}" ] && continue
+ rm -f "${dl_path}" || "${_fail}" "fetch: !rm -f ${dl_path}"
+ wget --tries 3 -U "${agent}" "${url}" -O "${dl_path}" || \
+ continue
+ vendor_checksum "${dlsum}" "${dl_path}" && dl_fail="n"
+ done
+ [ "${dl_fail}" = "y" ] && \
+ "${_fail}" "fetch ${dlsum}: matched file unavailable"
+
+ eval "extract_${dl_type}"
+}
+
+vendor_checksum()
+{
+ if [ "$(sha512sum ${2} | awk '{print $1}')" != "${1}" ]; then
+ printf "Bad checksum for file: %s\n" "${2}" 1>&2
+ rm -f "${2}" || :
+ return 1
+ fi
+}