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https://github.com/dockur/windows.git
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feat: Rework download code
This commit is contained in:
Kroese
GitHub
parent
2ace98f46d
commit
c2012a9e32
119
src/mido.sh
119
src/mido.sh
@ -57,36 +57,71 @@ get_agent() {
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return 0
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}
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convert_language() {
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local lang=""
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case "${1,,}" in
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"gb" | "en-gb" )
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lang="English International" ;;
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"en" | "en-"* )
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lang="English" ;;
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"mx" | "es-mx" )
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lang="Spanish (Mexico)" ;;
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"ca" | "fr-ca" )
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lang="French Canadian" ;;
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"br" | "pt-br" )
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lang="Brazilian Portuguese" ;;
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"sr" | "sr-"* )
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lang="Serbian Latin" ;;
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"hk" | "zh-hk" | "cn-hk" )
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lang="Chinese (Traditional)" ;;
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"tw" | "zh-tw" | "cn-tw" )
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lang="Chinese (Traditional)" ;;
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"zh" | "zh-"* | "cn" | "cn-"* )
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lang="Chinese (Simplified)" ;;
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* )
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lang=$(getLanguage "$1" "name") ;;
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esac
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echo "$lang"
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return 0
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}
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download_windows() {
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local id="$1"
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local lang="$2"
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local desc="$3"
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local sku_id=""
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local sku_url=""
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local iso_url=""
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local iso_json=""
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local language=""
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local session_id=""
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local user_agent=""
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local download_type=""
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local windows_version=""
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local iso_download_link=""
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local download_page_html=""
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local product_edition_id=""
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local iso_download_link_html=""
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local iso_download_page_html=""
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local language_skuid_table_html=""
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local language_skuid_json=""
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local profile="606624d44113"
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user_agent=$(get_agent)
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language=$(convert_language "$lang")
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[ -z "$language" ] && error "Invalid language: $lang" && return 1
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case "${id,,}" in
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"win11x64" ) windows_version="11" ;;
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"win10x64" ) windows_version="10" ;;
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"win81x64" ) windows_version="8" ;;
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"win11x64" ) windows_version="11" && download_type="1" ;;
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"win10x64" ) windows_version="10" && download_type="1" ;;
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"win11arm64" ) windows_version="11arm64" && download_type="2" ;;
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* ) error "Invalid VERSION specified, value \"$id\" is not recognized!" && return 1 ;;
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esac
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user_agent=$(get_agent)
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language=$(getLanguage "$lang" "name")
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local url="https://www.microsoft.com/en-us/software-download/windows$windows_version"
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case "$windows_version" in
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8 | 10) url+="ISO";;
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esac
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[[ "${id,,}" == "win10"* ]] && url+="ISO"
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# uuidgen: For MacOS (installed by default) and other systems (e.g. with no /proc) that don't have a kernel interface for generating random UUIDs
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session_id=$(cat /proc/sys/kernel/random/uuid 2> /dev/null || uuidgen --random)
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@ -96,44 +131,40 @@ download_windows() {
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# This is the *only* request we make that Fido doesn't. Fido manually maintains a list of all the Windows release/edition product edition IDs in its script (see: $WindowsVersions array). This is helpful for downloading older releases (e.g. Windows 10 1909, 21H1, etc.) but we always want to get the newest release which is why we get this value dynamically
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# Also, keeping a "$WindowsVersions" array like Fido does would be way too much of a maintenance burden
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# Remove "Accept" header that curl sends by default
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[[ "$DEBUG" == [Yy1]* ]] && echo " - Parsing download page: ${url}"
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iso_download_page_html=$(curl --silent --max-time 30 --user-agent "$user_agent" --header "Accept:" --max-filesize 1M --fail --proto =https --tlsv1.2 --http1.1 -- "$url") || {
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[[ "$DEBUG" == [Yy1]* ]] && echo "Parsing download page: ${url}"
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download_page_html=$(curl --silent --max-time 30 --user-agent "$user_agent" --header "Accept:" --max-filesize 1M --fail --proto =https --tlsv1.2 --http1.1 -- "$url") || {
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handle_curl_error $?
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return $?
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}
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[[ "$DEBUG" == [Yy1]* ]] && echo -n "Getting Product edition ID: "
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# tr: Filter for only numerics to prevent HTTP parameter injection
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# head -c was recently added to POSIX: https://austingroupbugs.net/view.php?id=407
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product_edition_id=$(echo "$iso_download_page_html" | grep -Eo '<option value="[0-9]+">Windows' | cut -d '"' -f 2 | head -n 1 | tr -cd '0-9' | head -c 16)
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product_edition_id=$(echo "$download_page_html" | grep -Eo '<option value="[0-9]+">Windows' | cut -d '"' -f 2 | head -n 1 | tr -cd '0-9' | head -c 16)
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[[ "$DEBUG" == [Yy1]* ]] && echo "$product_edition_id"
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if [ -z "$product_edition_id" ]; then
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error "Product edition ID not found!"
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return 1
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fi
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[[ "$DEBUG" == [Yy1]* ]] && echo "Permit Session ID: $session_id"
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# Permit Session ID
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# "org_id" is always the same value
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curl --silent --max-time 30 --output /dev/null --user-agent "$user_agent" --header "Accept:" --max-filesize 100K --fail --proto =https --tlsv1.2 --http1.1 -- "https://vlscppe.microsoft.com/tags?org_id=y6jn8c31&session_id=$session_id" || {
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# This should only happen if there's been some change to how this API works
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handle_curl_error $?
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return $?
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}
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# Extract everything after the last slash
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local url_segment_parameter="${url##*/}"
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[[ "$DEBUG" == [Yy1]* ]] && echo -n "Getting language SKU ID: "
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# Get language -> skuID association table
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# SKU ID: This specifies the language of the ISO. We always use "English (United States)", however, the SKU for this changes with each Windows release
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# We must make this request so our next one will be allowed
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# --data "" is required otherwise no "Content-Length" header will be sent causing HTTP response "411 Length Required"
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language_skuid_table_html=$(curl --silent --max-time 30 --request POST --user-agent "$user_agent" --data "" --header "Accept:" --max-filesize 10K --fail --proto =https --tlsv1.2 --http1.1 -- "https://www.microsoft.com/en-US/api/controls/contentinclude/html?pageId=a8f8f489-4c7f-463a-9ca6-5cff94d8d041&host=www.microsoft.com&segments=software-download,$url_segment_parameter&query=&action=getskuinformationbyproductedition&sessionId=$session_id&productEditionId=$product_edition_id&sdVersion=2") || {
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sku_url="https://www.microsoft.com/software-download-connector/api/getskuinformationbyproductedition?profile=$profile&ProductEditionId=$product_edition_id&SKU=undefined&friendlyFileName=undefined&Locale=en-US&sessionID=$session_id"
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language_skuid_json=$(curl --silent --max-time 30 --request GET --user-agent "$user_agent" --referer "$url" --header "Accept:" --max-filesize 100K --fail --proto =https --tlsv1.2 --http1.1 -- "$sku_url") || {
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handle_curl_error $?
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return $?
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}
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# tr: Filter for only alphanumerics or "-" to prevent HTTP parameter injection
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sku_id=$(echo "$language_skuid_table_html" | grep -m 1 ">${language}<" | sed 's/"//g' | cut -d ',' -f 1 | cut -d ':' -f 2 | tr -cd '[:alnum:]-' | head -c 16)
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{ sku_id=$(echo "$language_skuid_json" | jq --arg LANG "$language" -r '.Skus[] | select(.Language==$LANG).Id') 2>/dev/null; rc=$?; } || :
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if [ -z "$sku_id" ]; then
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if [ -z "$sku_id" ] || [[ "${sku_id,,}" == "null" ]] || (( rc != 0 )); then
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language=$(getLanguage "$lang" "desc")
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error "No download in the $language language available for $desc!"
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return 1
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@ -144,28 +175,31 @@ download_windows() {
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# Get ISO download link
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# If any request is going to be blocked by Microsoft it's always this last one (the previous requests always seem to succeed)
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# --referer: Required by Microsoft servers to allow request
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iso_download_link_html=$(curl --silent --max-time 30 --request POST --user-agent "$user_agent" --data "" --referer "$url" --header "Accept:" --max-filesize 100K --fail --proto =https --tlsv1.2 --http1.1 -- "https://www.microsoft.com/en-US/api/controls/contentinclude/html?pageId=6e2a1789-ef16-4f27-a296-74ef7ef5d96b&host=www.microsoft.com&segments=software-download,$url_segment_parameter&query=&action=GetProductDownloadLinksBySku&sessionId=$session_id&skuId=$sku_id&language=English&sdVersion=2")
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if ! [ "$iso_download_link_html" ]; then
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iso_url="https://www.microsoft.com/software-download-connector/api/GetProductDownloadLinksBySku?profile=$profile&ProductEditionId=undefined&SKU=$sku_id&friendlyFileName=undefined&Locale=en-US&sessionID=$session_id"
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iso_json=$(curl --silent --max-time 30 --request GET --user-agent "$user_agent" --referer "$url" --header "Accept:" --max-filesize 100K --fail --proto =https --tlsv1.2 --http1.1 -- "$iso_url")
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if ! [ "$iso_json" ]; then
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# This should only happen if there's been some change to how this API works
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error "Microsoft servers gave us an empty response to our request for an automated download."
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return 1
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fi
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if echo "$iso_download_link_html" | grep -q "We are unable to complete your request at this time."; then
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if echo "$iso_json" | grep -q "Sentinel marked this request as rejected."; then
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error "Microsoft blocked the automated download request based on your IP address."
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return 1
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fi
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# Filter for 64-bit ISO download URL
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# sed: HTML decode "&" character
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# tr: Filter for only alphanumerics or punctuation
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iso_download_link=$(echo "$iso_download_link_html" | grep -o "https://software.download.prss.microsoft.com.*IsoX64" | cut -d '"' -f 1 | sed 's/&/\&/g' | tr -cd '[:alnum:][:punct:]')
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if echo "$iso_json" | grep -q "We are unable to complete your request at this time."; then
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error "Microsoft blocked the automated download request based on your IP address."
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return 1
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fi
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if ! [ "$iso_download_link" ]; then
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# This should only happen if there's been some change to the download endpoint web address
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{ iso_download_link=$(echo "$iso_json" | jq --argjson TYPE "$download_type" -r '.ProductDownloadOptions[] | select(.DownloadType==$TYPE).Uri') 2>/dev/null; rc=$?; } || :
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if [ -z "$iso_download_link" ] || [[ "${iso_download_link,,}" == "null" ]] || (( rc != 0 )); then
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error "Microsoft servers gave us no download link to our request for an automated download!"
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info "Response: $iso_json"
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return 1
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fi
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@ -283,8 +317,8 @@ download_windows_eval() {
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[[ "$DEBUG" == [Yy1]* ]] && echo "Found download link: $iso_download_link"
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# Follow redirect so proceeding log message is useful
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# This is a request we make this Fido doesn't
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# We don't need to set "--max-filesize" here because this is a HEAD request and the output is to /dev/null anyway
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# This is a request we make that Fido doesn't
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iso_download_link=$(curl --silent --max-time 30 --user-agent "$user_agent" --location --output /dev/null --silent --write-out "%{url_effective}" --head --fail --proto =https --tlsv1.2 --http1.1 -- "$iso_download_link") || {
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# This should only happen if the Microsoft servers are down
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handle_curl_error $?
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@ -317,6 +351,7 @@ getWindows() {
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esac
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case "${version,,}" in
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"win11${PLATFORM,,}" ) ;;
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"win11${PLATFORM,,}-enterprise-iot"* ) ;;
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"win11${PLATFORM,,}-enterprise-ltsc"* ) ;;
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* )
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@ -327,7 +362,7 @@ getWindows() {
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esac
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case "${version,,}" in
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"win81${PLATFORM,,}" | "win10${PLATFORM,,}" | "win11${PLATFORM,,}" )
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"win10${PLATFORM,,}" | "win11${PLATFORM,,}" )
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download_windows "$version" "$lang" "$edition" && return 0
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;;
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"win11${PLATFORM,,}-enterprise"* | "win10${PLATFORM,,}-enterprise"* )
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