Marc S. Weidner
353568eb69
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
83 lines
2.5 KiB
Bash
83 lines
2.5 KiB
Bash
#!/bin/bash
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# SPDX-Version: 3.0
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# SPDX-CreationInfo: 2025-06-17; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.installer.git
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# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
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# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-FileType: SOURCE
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# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
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# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
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# SPDX-PackageName: CISS.debian.installer
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# SPDX-Security-Contact: security@coresecret.eu
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guard_sourcing
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#######################################
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# Wrapper for secure curl.
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# Globals:
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# ERR_DOWNLOAD_FAILED
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# ERR_NO_DOWNLOAD_ARG
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# Arguments:
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# 1: URL from which to download a specific file.
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# 2: /path/to/file to be saved to.
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# Returns:
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# ERR_DOWNLOAD_FAILED: Download failed.
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# ERR_NO_DOWNLOAD_ARG: No arguments specified.
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#######################################
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scurl() {
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if [[ $# -ne 2 ]]; then
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do_log "error" "true" "Usage: scurl <URL> <path/to/file>"
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return "${ERR_NO_DOWNLOAD_ARG}"
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fi
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declare url="$1"
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declare output_path="$2"
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if ! curl --doh-url "https://dns01.eddns.eu/dns-query" \
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--doh-cert-status \
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--tlsv1.3 \
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-sSf \
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-o "${output_path}" \
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"${url}"
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then
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do_log "error" "true" "Download failed for URL: '${1}'."
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return "${ERR_DOWNLOAD_FAILED}"
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fi
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}
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### Prevents accidental 'unset -f'.
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# shellcheck disable=SC2034
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readonly -f scurl
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#######################################
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# Wrapper for secure wget.
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# Globals:
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# ERR_DOWNLOAD_FAILED
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# ERR_NO_DOWNLOAD_ARG
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# Arguments:
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# 1: URL from which to download a specific file.
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# 2: /path/to/file to be saved to.
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# Returns:
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# ERR_DOWNLOAD_FAILED: Download failed.
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# ERR_NO_DOWNLOAD_ARG: No arguments specified.
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#######################################
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swget() {
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if [[ $# -ne 2 ]]; then
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do_log "error" "true" "Usage: swget <URL> <path/to/file>"
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return "${ERR_NO_DOWNLOAD_ARG}"
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fi
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declare url="$1"
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declare output_path="$2"
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if ! wget --show-progress \
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--no-clobber \
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--https-only \
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--secure-protocol=TLSv1_3 \
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-qO "${output_path}" \
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"${url}"
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then
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do_log "error" "true" "Download failed for URL: '${1}'."
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return "${ERR_DOWNLOAD_FAILED}"
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fi
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}
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### Prevents accidental 'unset -f'.
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# shellcheck disable=SC2034
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readonly -f swget
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# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
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