HuanXin-Chen commented on code in PR #11436: URL: https://github.com/apache/apisix/pull/11436#discussion_r1756419237
########## apisix/secret/gcp.lua: ########## @@ -0,0 +1,199 @@ +-- +-- Licensed to the Apache Software Foundation (ASF) under one or more +-- contributor license agreements. See the NOTICE file distributed with +-- this work for additional information regarding copyright ownership. +-- The ASF licenses this file to You under the Apache License, Version 2.0 +-- (the "License"); you may not use this file except in compliance with +-- the License. You may obtain a copy of the License at +-- +-- http://www.apache.org/licenses/LICENSE-2.0 +-- +-- Unless required by applicable law or agreed to in writing, software +-- distributed under the License is distributed on an "AS IS" BASIS, +-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +-- See the License for the specific language governing permissions and +-- limitations under the License. +-- + +--- GCP Tools. +local core = require("apisix.core") +local http = require("resty.http") +local google_oauth = require("apisix.utils.google-cloud-oauth") + +local str_sub = core.string.sub +local str_find = core.string.find +local decode_base64 = ngx.decode_base64 + +local lrucache = core.lrucache.new({ ttl = 300, count = 8 }) + +local schema = { + type = "object", + properties = { + auth_config = { + type = "object", + properties = { + client_email = { type = "string" }, + private_key = { type = "string" }, + project_id = { type = "string" }, + token_uri = { + type = "string", + default = "https://oauth2.googleapis.com/token"; + }, + scope = { + type = "array", + default = { + "https://www.googleapis.com/auth/cloud-platform"; + } + }, + entries_uri = { + type = "string", + default = "https://secretmanager.googleapis.com/v1"; + }, + }, + required = { "client_email", "private_key", "project_id" } + }, + ssl_verify = { + type = "boolean", + default = true + }, + auth_file = { type = "string" }, + }, + oneOf = { + { required = { "auth_config" } }, + { required = { "auth_file" } }, + }, +} + +local _M = { + schema = schema +} + +local function fetch_oauth_conf(conf) + if conf.auth_config then + return conf.auth_config + end + + local file_content, err = core.io.get_file(conf.auth_file) + if not file_content then + return nil, "failed to read configuration, file: " .. conf.auth_file .. ", err: " .. err + end + + local config_tab, err = core.json.decode(file_content) + if not config_tab then + return nil, "config parse failure, data: " .. file_content .. ", err: " .. err + end + + local config = { + auth_config = { + client_email = config_tab.client_email, + private_key = config_tab.private_key, + project_id = config_tab.project_id + } + } + + local ok, err = core.schema.check(schema, config) + if not ok then + return nil, "config parse failure, file: " .. conf.auth_file .. ", err: " .. err + end + + return config_tab +end + + +local function get_secret(oauth, secrets_id) + local http_new = http.new() + + local access_token = oauth:generate_access_token() + if not access_token then + return nil, "failed to get google oauth token" + end + + local entries_uri = oauth.entries_uri .. "/projects/" .. oauth.project_id + .. "/secrets/" .. secrets_id .. "/versions/latest:access" + + local res, err = http_new:request_uri(entries_uri, { + ssl_verify = oauth.ssl_verify, + method = "GET", + headers = { + ["Content-Type"] = "application/json", + ["Authorization"] = (oauth.access_token_type or "Bearer") .. " " .. access_token, + }, + }) + + if not res then + return nil, err + end + + if res.status ~= 200 then + return nil, res.body + end + + local body, err = core.json.decode(res.body) + if not body then + return nil, "failed to parse response data, " .. err + end + + local payload = body.payload + if not payload then + return nil, "invalid payload" + end + + return decode_base64(payload.data) +end + + +local function make_request_to_gcp(conf, secrets_id) + local auth_config, err = fetch_oauth_conf(conf) + if not auth_config then + return nil, err + end + + local lru_key = auth_config.client_email .. "#" .. auth_config.project_id + + local oauth, err = lrucache(lru_key, "gcp", google_oauth.new, auth_config, conf.ssl_verify) + if not oauth then + return nil, "failed to create oauth object, " .. err + end + + local secret, err = get_secret(oauth, secrets_id) + if not secret then + return nil, err + end + + return secret +end + + +function _M.get(conf, key) + core.log.info("fetching data from gcp for key: ", key) + + local idx = str_find(key, '/') + + local main_key = idx and str_sub(key, 1, idx - 1) or key + if main_key == "" then + return nil, "can't find main key, key: " .. key + end + + local sub_key = idx and str_sub(key, idx + 1) or nil + + core.log.info("main: ", main_key, sub_key and ", sub: " .. sub_key or "") + + local res, err = make_request_to_gcp(conf, main_key) + if not res then + return nil, "failed to retrtive data from gcp secret manager: " .. err + end Review Comment: I agree, I also think there's no need to modify it. -- This is an automated message from the Apache Git Service. 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