257 lines
9.4 KiB
Lua
257 lines
9.4 KiB
Lua
local active = redis.call('GET', KEYS[1])
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if not active or active == '' then
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return {
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'reject',
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'CONFIG_MISSING',
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'none',
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'none',
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'none',
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'none',
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'no_active_version',
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'none',
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'none',
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'none',
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'none',
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'UNKNOWN',
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'UNKNOWN',
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'UNKNOWN',
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'UNKNOWN',
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'UNKNOWN',
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'UNKNOWN',
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''
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}
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end
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local source_ip = ARGV[1]
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local caller = ARGV[2] or ''
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local callee = ARGV[3] or ''
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local prefix = 'cfg:v:' .. active
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local function field(json, name)
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return string.match(json, '"' .. name .. '":"([^"]*)"')
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end
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local function normalize_callee(value)
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local digits = string.gsub(value or '', '[^0-9]', '')
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if string.sub(digits, 1, 4) == '0086' then
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digits = string.sub(digits, 5)
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elseif string.sub(digits, 1, 2) == '86' and string.len(digits) == 13 then
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digits = string.sub(digits, 3)
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end
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return digits
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end
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local function unknown_number(callee_digits)
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return {
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city_code = 'UNKNOWN',
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city_name = 'UNKNOWN',
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province_code = 'UNKNOWN',
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province_name = 'UNKNOWN',
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carrier = 'UNKNOWN',
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number_type = 'UNKNOWN',
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normalized = callee_digits or ''
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}
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end
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local function with_geo_city(info)
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if info.city_code == 'UNKNOWN' or info.province_code ~= 'UNKNOWN' then
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return info
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end
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local city_json = redis.call('GET', prefix .. ':geo_city:' .. info.city_code)
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if city_json then
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info.province_code = field(city_json, 'provinceCode') or info.province_code
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info.province_name = field(city_json, 'provinceName') or info.province_name
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info.city_name = field(city_json, 'cityName') or info.city_name
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end
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return info
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end
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local function resolve_carrier(digits, fallback)
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if string.len(digits) >= 4 then
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local prefix4_json = redis.call('GET', prefix .. ':carrier_prefix:' .. string.sub(digits, 1, 4))
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if prefix4_json then
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return field(prefix4_json, 'carrier') or fallback
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end
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end
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if string.len(digits) >= 3 then
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local prefix3_json = redis.call('GET', prefix .. ':carrier_prefix:' .. string.sub(digits, 1, 3))
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if prefix3_json then
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return field(prefix3_json, 'carrier') or fallback
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end
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end
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return fallback
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end
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local function resolve_number(value)
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local digits = normalize_callee(value)
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local info = unknown_number(digits)
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if string.match(digits, '^1%d%d%d%d%d%d%d%d%d%d$') then
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info.number_type = 'MOBILE'
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local segment_json = redis.call('GET', prefix .. ':phone_segment:' .. string.sub(digits, 1, 7))
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if segment_json then
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info.city_code = field(segment_json, 'cityCode') or info.city_code
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info.city_name = field(segment_json, 'cityName') or info.city_name
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info.province_code = field(segment_json, 'provinceCode') or info.province_code
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info.province_name = field(segment_json, 'provinceName') or info.province_name
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info.carrier = field(segment_json, 'carrier') or info.carrier
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end
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info.carrier = resolve_carrier(digits, info.carrier)
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return with_geo_city(info)
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end
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if string.sub(digits, 1, 1) == '0' and string.len(digits) >= 3 then
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info.number_type = 'LANDLINE'
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local area_json = nil
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if string.len(digits) >= 4 then
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area_json = redis.call('GET', prefix .. ':area_code:' .. string.sub(digits, 1, 4))
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end
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if not area_json and string.len(digits) >= 3 then
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area_json = redis.call('GET', prefix .. ':area_code:' .. string.sub(digits, 1, 3))
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end
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if area_json then
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info.city_code = field(area_json, 'cityCode') or info.city_code
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info.city_name = field(area_json, 'cityName') or info.city_name
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info.province_code = field(area_json, 'provinceCode') or info.province_code
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info.province_name = field(area_json, 'provinceName') or info.province_name
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end
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return with_geo_city(info)
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end
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info.carrier = resolve_carrier(digits, info.carrier)
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return info
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end
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local number_info = resolve_number(callee)
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local function result(decision, reason, gateway_id, version, line_group_id, policy_id, customer_id, vendor_id, vendor_gateway_id, host, port)
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return {
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decision,
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reason,
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gateway_id,
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version,
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line_group_id,
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policy_id,
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customer_id,
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vendor_id,
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vendor_gateway_id,
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host,
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port,
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number_info.city_code,
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number_info.city_name,
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number_info.province_name,
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number_info.carrier,
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number_info.number_type,
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number_info.province_code,
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number_info.normalized
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}
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end
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local gateway_id = redis.call('GET', prefix .. ':auth:ip:' .. source_ip)
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if not gateway_id then
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return result('reject', 'AUTH_MISSING', 'none', active, 'none', 'none', 'no_auth_ip', 'none', 'none', 'none', 'none')
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end
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local gateway_json = redis.call('GET', prefix .. ':customer_gateway:' .. gateway_id)
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if not gateway_json then
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return result('reject', 'GATEWAY_MISSING', gateway_id, active, 'none', 'none', 'gateway_missing', 'none', 'none', 'none', 'none')
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end
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if not string.find(gateway_json, '"status":"ENABLED"', 1, true) then
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return result('reject', 'GATEWAY_DISABLED', gateway_id, active, 'none', 'none', 'gateway_disabled', 'none', 'none', 'none', 'none')
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end
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local customer_id = string.match(gateway_json, '"customerId":"([^"]+)"')
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if not customer_id then
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return result('reject', 'CUSTOMER_MISSING', gateway_id, active, 'none', 'none', 'customer_id_missing', 'none', 'none', 'none', 'none')
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end
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local customer_json = redis.call('GET', prefix .. ':customer:' .. customer_id)
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if not customer_json then
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return result('reject', 'CUSTOMER_MISSING', gateway_id, active, 'none', 'none', 'customer_missing', 'none', 'none', 'none', 'none')
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end
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if not string.find(customer_json, '"status":"ENABLED"', 1, true) then
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return result('reject', 'CUSTOMER_DISABLED', gateway_id, active, 'none', 'none', 'customer_disabled', 'none', 'none', 'none', 'none')
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end
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local function region_blocked(vendor_gateway_id)
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if number_info.city_code ~= 'UNKNOWN' then
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local city_blocked = redis.call('SISMEMBER', prefix .. ':vendor_gateway:' .. vendor_gateway_id .. ':blocked_city_codes', number_info.city_code)
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if city_blocked == 1 then
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return true
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end
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end
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if number_info.province_code ~= 'UNKNOWN' then
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local province_blocked = redis.call('SISMEMBER', prefix .. ':vendor_gateway:' .. vendor_gateway_id .. ':blocked_province_codes', number_info.province_code)
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if province_blocked == 1 then
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return true
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end
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end
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return false
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end
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local function first_vendor_route(line_group_id)
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local line_group_json = redis.call('GET', prefix .. ':line_group:' .. line_group_id)
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if not line_group_json then
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return nil, 'LINE_GROUP_MISSING'
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end
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if not string.find(line_group_json, '"status":"ENABLED"', 1, true) then
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return nil, 'LINE_GROUP_DISABLED'
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end
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local items = redis.call('LRANGE', prefix .. ':line_group:' .. line_group_id .. ':items', 0, -1)
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local skipped_region = false
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for _, item_json in ipairs(items) do
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if string.find(item_json, '"status":"ENABLED"', 1, true) then
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local vendor_gateway_id = string.match(item_json, '"vendorGatewayId":"([^"]+)"')
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if vendor_gateway_id then
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local vendor_gateway_json = redis.call('GET', prefix .. ':vendor_gateway:' .. vendor_gateway_id)
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if vendor_gateway_json and string.find(vendor_gateway_json, '"status":"ENABLED"', 1, true) then
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if region_blocked(vendor_gateway_id) then
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skipped_region = true
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else
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local vendor_id = string.match(vendor_gateway_json, '"vendorId":"([^"]+)"') or 'none'
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local host = string.match(vendor_gateway_json, '"host":"([^"]+)"') or 'none'
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local port = string.match(vendor_gateway_json, '"port":([0-9]+)') or '5060'
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return {vendor_id, vendor_gateway_id, host, port}, 'OK'
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end
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end
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end
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end
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end
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if skipped_region then
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return nil, 'NO_VENDOR_ROUTE_REGION_BLOCKED'
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end
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return nil, 'NO_VENDOR_ROUTE'
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end
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local policies = redis.call('LRANGE', prefix .. ':customer_gateway:' .. gateway_id .. ':policies', 0, -1)
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for _, policy_json in ipairs(policies) do
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if string.find(policy_json, '"status":"ENABLED"', 1, true) then
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local caller_mode = string.match(policy_json, '"callerMode":"([^"]+)"') or 'ANY'
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local caller_value = string.match(policy_json, '"callerValue":"([^"]*)"') or ''
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local callee_mode = string.match(policy_json, '"calleeMode":"([^"]+)"') or 'ANY'
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local callee_value = string.match(policy_json, '"calleeValue":"([^"]*)"') or ''
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local caller_ok = caller_mode == 'ANY'
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or (caller_mode == 'EQUALS' and caller == caller_value)
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or (caller_mode == 'PREFIX' and string.sub(caller, 1, string.len(caller_value)) == caller_value)
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local callee_ok = callee_mode == 'ANY'
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or (callee_mode == 'EQUALS' and callee == callee_value)
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or (callee_mode == 'PREFIX' and string.sub(callee, 1, string.len(callee_value)) == callee_value)
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if caller_ok and callee_ok then
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local policy_id = string.match(policy_json, '"id":"([^"]+)"') or 'none'
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local line_group_id = string.match(policy_json, '"lineGroupId":"([^"]+)"') or 'none'
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local vendor_route, route_reason = first_vendor_route(line_group_id)
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if vendor_route then
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return result('allow', 'OK', gateway_id, active, line_group_id, policy_id, customer_id, vendor_route[1], vendor_route[2], vendor_route[3], vendor_route[4])
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end
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return result('reject', route_reason, gateway_id, active, line_group_id, policy_id, customer_id, 'none', 'none', 'none', 'none')
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end
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end
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end
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return result('reject', 'NO_POLICY', gateway_id, active, 'none', 'none', 'no_policy_match', 'none', 'none', 'none', 'none')
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