nic-6443 commented on code in PR #12008: URL: https://github.com/apache/apisix/pull/12008#discussion_r1980933019
########## apisix/plugins/ai-prompt-guard.lua: ########## @@ -0,0 +1,142 @@ +-- +-- 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 ngx = ngx +local ipairs = ipairs +local table = table +local re_compile = require("resty.core.regex").re_match_compile +local re_find = ngx.re.find + +local plugin_name = "ai-prompt-guard" + +local schema = { + type = "object", + properties = { + match_all_roles = { + type = "boolean", + default = false, + }, + match_all_conversation_history = { + type = "boolean", + default = false, + }, + allow_patterns = { + type = "array", + items = {type = "string"}, + default = {}, + }, + deny_patterns = { + type = "array", + items = {type = "string"}, + default = {}, + }, + }, +} + +local _M = { + version = 0.1, + priority = 1072, + name = plugin_name, + schema = schema, +} + +function _M.check_schema(conf) + local ok, err = core.schema.check(schema, conf) + if not ok then + return false, err + end + + -- Validate allow_patterns + for _, pattern in ipairs(conf.allow_patterns) do + local compiled = re_compile(pattern, "jou") + if not compiled then + return false, "invalid allow_pattern: " .. pattern + end + end + + -- Validate deny_patterns + for _, pattern in ipairs(conf.deny_patterns) do + local compiled = re_compile(pattern, "jou") + if not compiled then + return false, "invalid deny_pattern: " .. pattern + end + end + + return true +end + +local function get_content_to_check(conf, messages) + local contents = {} + if conf.match_all_conversation_history then + for _, msg in ipairs(messages) do + if msg.content then + core.table.insert(contents, msg.content) + end + end + else + if #messages > 0 then + local last_msg = messages[#messages] + if last_msg.content then + core.table.insert(contents, last_msg.content) + end + end + end + return table.concat(contents, " ") +end + +function _M.access(conf, ctx) + local body = core.request.get_body() + if not body then + core.log.error("Empty request body") + return 400, {message = "Empty request body"} Review Comment: ```suggestion core.log.error("empty request body") return 400, {message = "empty request body"} ``` -- 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
