tzssangglass commented on a change in pull request #6512: URL: https://github.com/apache/apisix/pull/6512#discussion_r830716082
########## File path: apisix/plugins/recaptcha.lua ########## @@ -0,0 +1,102 @@ +-- +-- 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. +-- +local core = require("apisix.core") +local http = require("resty.http") + +local schema = { + type = "object", + properties = { + secret_key = { type = "string" }, + parameter_source = { type = "string", default = "header", enum = { "header", "query" } }, + parameter_name = { type = "string", default = "captcha" }, + ssl_verify = { type = "boolean", default = true }, + response = { + type = "object", + properties = { + content_type = { type = "string", default = "application/json; charset=utf-8" }, + status_code = { type = "number", default = 400 }, + body = { type = "string", default = '{"message": "invalid captcha"}' } + } + }, + }, + required = { "secret_key" }, +} + +local recaptcha_url = "https://www.recaptcha.net"; + +local _M = { + version = 0.1, + priority = 700, + name = "recaptcha", + schema = schema, +} + +function _M.check_schema(conf, schema_type) + return core.schema.check(schema, conf) +end + +local function retrieve_captcha(ctx, conf) + local captcha + if conf.parameter_source == "header" then + captcha = core.request.header(ctx, conf.parameter_name) + elseif conf.parameter_source == "query" then + local uri_args = core.request.get_uri_args(ctx) or {} + captcha = uri_args[conf.parameter_name] + end + return captcha +end + +function _M.access(conf, ctx) + local path = ctx.var.uri + local method = core.request.get_method() + + core.log.debug("path: ", path, ", method: ", method, ", conf: ", core.json.encode(conf)) + + local invalid_captcha = true + local captcha = retrieve_captcha(ctx, conf) + if captcha ~= nil and captcha ~= "" then + local httpc = http.new() + local secret = conf.secret_key + local remote_ip = core.request.get_remote_client_ip(ctx) + local res, err = httpc:request_uri(recaptcha_url .. "/recaptcha/api/siteverify", { + method = "POST", + body = "secret=" .. secret .. "&response=" .. captcha .. "&remoteip=" .. remote_ip, + headers = { + ["Content-Type"] = "application/x-www-form-urlencoded", + }, + ssl_verify = conf.ssl_verify + }) + if err then + core.log.error("request failed: ", err) + return 503 + end + core.log.debug("recaptcha veirfy result: ", res.body) + local recaptcha_result = core.json.decode(res.body) + if recaptcha_result.success == true then + invalid_captcha = false + end Review comment: `local invalid_captcha = true` is where you declare invalid_captcha, I mean `invalid_captcha == false` only one place. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: notifications-unsubscr...@apisix.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
