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#!/usr/bin/env bash
set -euo pipefail
# See https://github.com/ImranR98/Obtainium/blob/main/lib/app_sources/rustore.dart
# @describe Download apk from https://rustore.ru
# @meta require-tools curl,jq,fzf,xxh64sum
# @flag -u --update download file if it exists but hash not match
# @flag -v --verbose verbose output
# @flag --whats-new show whats new before download
# @flag --save-json save package info JSON
# @flag --extract extract ZIP on download
# @option -q --query search string
# @option -o --output=`_default_output` Output directory/file
# @arg package_name Application package name
# @env RU_GOV_CERTIFICATE_PATH! Path to Russian Ministry of Digital Development (MinCifry) certificates
BASE_URL=https://backapi.rustore.ru
PAGE_SIZE=10
_default_output() {
pwd
}
_curl() {
curl \
--cacert "$RU_GOV_CERTIFICATE_PATH" \
--retry 3 \
--header 'ruStoreVerCode: 1105002' \
"$@"
}
_aria2() {
aria2c \
--ca-certificate="$RU_GOV_CERTIFICATE_PATH" \
--header='ruStoreVerCode: 1105002' \
"$@"
}
_download_file() {
local output_file="$1" download_url="$2"
if command -v aria2c >/dev/null; then
local aria2_dir aria2_out
aria2_dir=$(dirname "$output_file")
aria2_out=$(basename "$output_file")
_aria2 --dir="$aria2_dir" --out="$aria2_out" "$download_url"
else
_curl --progress-bar --output "$output_file" "$download_url"
fi
}
_curl_silent() {
_curl --silent "$@"
}
select_package_name_from_query() {
local delimiter=$'\t'
_curl_silent --get \
--data-urlencode "query=$argc_query" \
--data-urlencode "pageSize=$PAGE_SIZE" \
"$BASE_URL/applicationData/apps" |
jq -r '.body.content[] | [.packageName,.appName,.shortDescription] | @tsv' |
column -t -s "$delimiter" -o "$delimiter" |
fzf --delimiter "$delimiter" --accept-nth 1
}
get_app_info_by_package() {
_curl_silent --get "$BASE_URL/applicationData/overallInfo/$1" | jq .body
}
download_apk() {
local app_info="$1"
local app_id
local package_name
local version_name
app_id=$(jq -r .appId <<<"$app_info")
package_name=$(jq -r .packageName <<<"$app_info")
version_name=$(jq -r .versionName <<<"$app_info")
local output_file
local output_file_hash
if [ -d "${argc_output?}" ]; then
output_file="$argc_output/$package_name-$version_name.apk"
else
output_file="$argc_output"
fi
output_file_hash="${output_file}.xxh64sum"
local existing_file_hash
if [ -f "$output_file" ] && [ -f "$output_file_hash" ]; then
if [ -z "${argc_update:-}" ]; then
echo "File already exists: $output_file"
exit 1
else
existing_file_hash=$(cat "$output_file_hash")
fi
fi
local download_info
download_info=$(_curl_silent --request POST --json '{"appId":'"$app_id"'}' "$BASE_URL/applicationData/v2/download-link" | jq .body.downloadUrls[0])
local download_url
local expected_hash
download_url=$(jq -r .url <<<"$download_info")
expected_hash=$(jq -r .hash <<<"$download_info")
[ "${existing_file_hash:-}" == "$expected_hash" ] && return
[ -n "${argc_whats_new:-}" ] && jq -r '"News: \(.whatsNew)"' <<<"$app_info"
temp_file_zip=$(mktemp)
temp_file_apk=$(mktemp)
trap 'rm -f "$temp_file_zip" "$temp_file_apk"' EXIT
_download_file "$temp_file_zip" "$download_url"
existing_file_hash=$(xxh64sum "$temp_file_zip" | cut -d ' ' -f 1)
if [ "$existing_file_hash" == "$expected_hash" ]; then
unzip -p "$temp_file_zip" "*.apk" >"$temp_file_apk"
mv "$temp_file_apk" "$output_file"
echo "$expected_hash" >"$output_file_hash"
else
echo "Downloaded file hash not match expected"
exit 2
fi
}
main() {
local package_name="${argc_package_name:-}"
if [[ "$package_name" == http* ]]; then
package_name=$(echo "$package_name" | grep -oP '(?<=/app/)[^/?]+')
fi
if [ -z "$package_name" ] && [ -n "${argc_query:-}" ]; then
package_name=$(select_package_name_from_query)
fi
[ -z "$package_name" ] && exit 1
local app_info
app_info=$(get_app_info_by_package "$package_name")
local app_id
app_id=$(jq -r .appId <<<"$app_info")
if [ -z "${app_id:-}" ]; then
echo "No application ID specified or found"
exit 1
fi
if [ "${argc_verbose:-}" == 1 ]; then
jq -r '{appName,versionName,appVerUpdatedAt,shortDescription,whatsNew} | to_entries[] | [.key,.value] | @tsv' <<<"$app_info" |
column -t -s $'\t'
else
jq -r '"\(.appName) - v\(.versionName) [\(.appVerUpdatedAt | strptime("%Y-%m-%dT%H:%M:%S%Z") | strftime("%d.%m.%Y"))]"' <<<"$app_info"
fi
download_apk "$app_info"
}
eval "$(argc --argc-eval "$0" "$@")"
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