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feat: Refactor download code
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Kroese
GitHub
parent
0234729ecb
commit
4a3398b440
101
src/mido.sh
101
src/mido.sh
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@ -4,63 +4,33 @@ set -Eeuo pipefail
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handle_curl_error() {
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local error_code="$1"
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local fatal_error_action=2
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case "$error_code" in
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6)
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echo "Failed to resolve Microsoft servers! Is there an Internet connection? Exiting..."
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return "$fatal_error_action"
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;;
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7)
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echo "Failed to contact Microsoft servers! Is there an Internet connection or is the server down?"
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;;
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8)
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echo "Microsoft servers returned a malformed HTTP response!"
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;;
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22)
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echo "Microsoft servers returned a failing HTTP status code!"
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;;
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23)
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echo "Failed at writing Windows media to disk! Out of disk space or permission error? Exiting..."
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return "$fatal_error_action"
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;;
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26)
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echo "Ran out of memory during download! Exiting..."
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return "$fatal_error_action"
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;;
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36)
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echo "Failed to continue earlier download!"
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;;
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63)
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echo "Microsoft servers returned an unexpectedly large response!"
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;;
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# POSIX defines exit statuses 1-125 as usable by us
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# https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_08_02
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$((error_code <= 125)))
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6) error "Failed to resolve Microsoft servers! Is there an Internet connection?" ;;
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7) error "Failed to contact Microsoft servers! Is there an Internet connection or is the server down?" ;;
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8) error "Microsoft servers returned a malformed HTTP response!" ;;
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22) error "Microsoft servers returned a failing HTTP status code!" ;;
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23) error "Failed at writing Windows media to disk! Out of disk space or permission error?" ;;
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26) error "Ran out of memory during download!" ;;
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36) error "Failed to continue earlier download!" ;;
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63) error "Microsoft servers returned an unexpectedly large response!" ;;
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# POSIX defines exit statuses 1-125 as usable by us
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# https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_08_02
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$((error_code <= 125)))
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# Must be some other server or network error (possibly with this specific request/file)
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# This is when accounting for all possible errors in the curl manual assuming a correctly formed curl command and an HTTP(S) request, using only the curl features we're using, and a sane build
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echo "Miscellaneous server or network error!"
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;;
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126 | 127 )
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echo "Curl command not found! Please install curl and try again. Exiting..."
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return "$fatal_error_action"
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error "Miscellaneous server or network error!"
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;;
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126 | 127 ) error "Curl command not found!" ;;
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# Exit statuses are undefined by POSIX beyond this point
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*)
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case "$(kill -l "$error_code")" in
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# Signals defined to exist by POSIX:
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# https://pubs.opengroup.org/onlinepubs/009695399/basedefs/signal.h.html
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INT)
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echo "Curl was interrupted!"
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;;
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# There could be other signals but these are most common
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SEGV | ABRT )
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echo "Curl crashed! Failed exploitation attempt? Please report any core dumps to curl developers. Exiting..."
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return "$fatal_error_action"
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;;
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*)
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echo "Curl terminated due to a fatal signal!"
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;;
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# Signals defined to exist by POSIX:
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# https://pubs.opengroup.org/onlinepubs/009695399/basedefs/signal.h.html
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INT) error "Curl was interrupted!" ;;
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# There could be other signals but these are most common
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SEGV | ABRT ) error "Curl crashed! Failed exploitation attempt? Please report any core dumps to curl developers." ;;
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*) error "Curl terminated due to a fatal signal!" ;;
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esac
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esac
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@ -77,20 +47,24 @@ download_windows() {
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local sku_id=""
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local iso_download_link_html=""
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local iso_download_link=""
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local firefox_release=""
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local windows_version=""
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case "${id,,}" in
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"win11${PLATFORM,,}" )
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info "Downloading Windows 11..."
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windows_version="11"
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;;
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"win10${PLATFORM,,}" )
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info "Downloading Windows 10..."
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windows_version="10"
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;;
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"win81${PLATFORM,,}" )
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info "Downloading Windows 8.1..."
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windows_version="8"
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;;
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* )
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echo "Unknown version: $id"
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error "Unknown version: $id"
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return 1
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esac
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@ -101,7 +75,10 @@ download_windows() {
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8 | 10) url="${url}ISO";;
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esac
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local user_agent="Mozilla/5.0 (X11; Linux x86_64; rv:100.0) Gecko/20100101 Firefox/100.0"
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# Determine approximate latest Firefox release, using Mozilla's 4 week release schedule & the midnight after the release of Firefox 124
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firefox_release="$((124 + ($(date +%s) - 1710892800) / 2419200))"
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local user_agent="Mozilla/5.0 (X11; Linux x86_64; rv:${firefox_release}.0) Gecko/20100101 Firefox/${firefox_release}.0"
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# uuidgen: For MacOS (installed by default) and other systems (e.g. with no /proc) that don't have a kernel interface for generating random UUIDs
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session_id="$(cat /proc/sys/kernel/random/uuid 2> /dev/null || uuidgen --random)"
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@ -183,7 +160,7 @@ download_windows() {
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return 0
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}
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download_windows_server() {
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download_windows_eval() {
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local id="$1"
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local windows_version=""
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@ -191,35 +168,42 @@ download_windows_server() {
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case "${id,,}" in
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"win11${PLATFORM,,}-enterprise-eval" )
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info "Downloading Windows 11 Enterprise Evaluation..."
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windows_version="windows-11-enterprise"
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enterprise_type="enterprise"
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;;
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"win10${PLATFORM,,}-enterprise-eval" )
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info "Downloading Windows 10 Enterprise Evaluation..."
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windows_version="windows-10-enterprise"
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enterprise_type="enterprise"
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;;
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"win10${PLATFORM,,}-enterprise-ltsc-eval" )
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info "Downloading Windows 10 Enterprise LTSC Evaluation..."
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windows_version="windows-10-enterprise"
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enterprise_type="ltsc"
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;;
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"win2022-eval" )
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info "Downloading Windows Server 2022 Evaluation..."
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windows_version="windows-server-2022"
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enterprise_type="server"
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;;
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"win2019-eval" )
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info "Downloading Windows Server 2019 Evaluation..."
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windows_version="windows-server-2019"
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enterprise_type="server"
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;;
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"win2016-eval" )
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info "Downloading Windows Server 2016 Evaluation..."
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windows_version="windows-server-2016"
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enterprise_type="server"
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;;
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"win2012r2-eval" )
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info "Downloading Windows Server 2012 R2 Evaluation..."
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windows_version="windows-server-2012-r2"
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enterprise_type="server"
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;;
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* )
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echo "Unknown version: $id"
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error "Unknown version: $id"
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return 1
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esac
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@ -283,30 +267,33 @@ getWindows() {
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local id="$1"
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MIDO_URL=""
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info "Downloading Windows media from official Microsoft servers..."
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case "${id,,}" in
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"win81${PLATFORM,,}" | "win10${PLATFORM,,}" | "win11${PLATFORM,,}" )
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download_windows "$id" && return 0
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;;
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"win11${PLATFORM,,}-enterprise-eval" )
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download_windows_server "$id" && return 0
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download_windows_eval "$id" && return 0
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;;
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"win10${PLATFORM,,}-enterprise-eval" | "win10${PLATFORM,,}-enterprise-ltsc-eval" )
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download_windows_server "$id" && return 0
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download_windows_eval "$id" && return 0
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;;
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"win2022-eval" | "win2019-eval" | "win2016-eval" | "win2012r2-eval" )
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download_windows_server "$id" && return 0
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download_windows_eval "$id" && return 0
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;;
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"win81${PLATFORM,,}-enterprise-eval" )
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info "Downloading Windows 8.1 Enterprise Evaluation..."
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MIDO_URL="https://download.microsoft.com/download/B/9/9/B999286E-0A47-406D-8B3D-5B5AD7373A4A/9600.17050.WINBLUE_REFRESH.140317-1640_X64FRE_ENTERPRISE_EVAL_EN-US-IR3_CENA_X64FREE_EN-US_DV9.ISO"
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return 0
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;;
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"win2008r2" )
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info "Downloading Windows Server 2008 R2..."
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MIDO_URL="https://download.microsoft.com/download/4/1/D/41DEA7E0-B30D-4012-A1E3-F24DC03BA1BB/7601.17514.101119-1850_x64fre_server_eval_en-us-GRMSXEVAL_EN_DVD.iso"
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return 0
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;;
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* )
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echo "Unknown version: $id"
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error "Unknown version: $id"
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esac
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return 1
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