membphis commented on code in PR #13344: URL: https://github.com/apache/apisix/pull/13344#discussion_r3215950410
########## apisix/plugins/oas-validator.lua: ########## @@ -0,0 +1,298 @@ +-- +-- 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 secret = require("apisix.secret") +local plugin = require("apisix.plugin") +local ov = require("resty.openapi_validator") +local http = require("resty.http") +local ngx_req = ngx.req +local ngx_md5 = ngx.md5 +local pairs = pairs +local ipairs = ipairs +local tostring = tostring +local tab_sort = table.sort +local tab_concat = table.concat + +local plugin_name = "oas-validator" + +local DEFAULT_SPEC_URL_TTL = 3600 + +local schema = { + type = "object", + properties = { + spec = { + description = "schema against which the request/response will be validated", + type = "string", + minLength = 1 + }, + spec_url = { + description = "URL to fetch the OpenAPI spec from", + type = "string", + pattern = [[^https?://]], + }, + spec_url_request_headers = { + description = "custom HTTP headers to include when fetching spec_url", + type = "object", + additionalProperties = { + type = "string", + }, + }, + ssl_verify = { + description = "whether to verify SSL certificate when fetching spec_url", + type = "boolean", + default = false, + }, + timeout = { + description = "HTTP request timeout in milliseconds for fetching spec_url", + type = "integer", + minimum = 1000, + maximum = 60000, + default = 10000, + }, + verbose_errors = { + type = "boolean", + default = false + }, + skip_request_body_validation = { + type = "boolean", + default = false + }, + skip_request_header_validation = { + type = "boolean", + default = false + }, + skip_query_param_validation = { + type = "boolean", + default = false + }, + skip_path_params_validation = { + type = "boolean", + default = false + }, + reject_if_not_match = { + type = "boolean", + default = true + }, + rejection_status_code = { + description = "HTTP status code to return when request validation fails", + type = "integer", + minimum = 400, + maximum = 599, + default = 400 + } + }, + oneOf = { + {required = {"spec"}}, + {required = {"spec_url"}}, + }, +} + +local metadata_schema = { + type = "object", + properties = { + spec_url_ttl = { + description = "TTL in seconds for cached spec fetched from spec_url", + type = "integer", + minimum = 1, + default = DEFAULT_SPEC_URL_TTL, + }, + }, +} + +local spec_url_lrucache +local spec_url_lrucache_ttl + +local function get_spec_url_ttl() + local metadata = plugin.plugin_metadata(plugin_name) + if metadata and metadata.value and metadata.value.spec_url_ttl then + return metadata.value.spec_url_ttl + end + return DEFAULT_SPEC_URL_TTL +end + +local function get_spec_url_lrucache() + local ttl = get_spec_url_ttl() + if not spec_url_lrucache or spec_url_lrucache_ttl ~= ttl then + spec_url_lrucache = core.lrucache.new({ + ttl = ttl, + count = 512, + invalid_stale = true, + refresh_stale = true, + serial_creating = true, + }) + spec_url_lrucache_ttl = ttl + end + return spec_url_lrucache +end + +local function fetch_and_compile(conf) + local httpc = http.new() + httpc:set_timeout(conf.timeout or 10000) + + local params = { + method = "GET", + ssl_verify = conf.ssl_verify or false, + } + if conf.spec_url_request_headers then + params.headers = conf.spec_url_request_headers + end + + local res, err = httpc:request_uri(conf.spec_url, params) Review Comment: it is unstable, should we add retry process? ########## apisix/plugins/oas-validator.lua: ########## @@ -0,0 +1,298 @@ +-- +-- 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 secret = require("apisix.secret") +local plugin = require("apisix.plugin") +local ov = require("resty.openapi_validator") +local http = require("resty.http") +local ngx_req = ngx.req +local ngx_md5 = ngx.md5 +local pairs = pairs +local ipairs = ipairs +local tostring = tostring +local tab_sort = table.sort +local tab_concat = table.concat + +local plugin_name = "oas-validator" + +local DEFAULT_SPEC_URL_TTL = 3600 + +local schema = { + type = "object", + properties = { + spec = { + description = "schema against which the request/response will be validated", + type = "string", + minLength = 1 + }, + spec_url = { + description = "URL to fetch the OpenAPI spec from", + type = "string", + pattern = [[^https?://]], + }, + spec_url_request_headers = { + description = "custom HTTP headers to include when fetching spec_url", + type = "object", + additionalProperties = { + type = "string", + }, + }, + ssl_verify = { + description = "whether to verify SSL certificate when fetching spec_url", + type = "boolean", + default = false, + }, + timeout = { + description = "HTTP request timeout in milliseconds for fetching spec_url", + type = "integer", + minimum = 1000, + maximum = 60000, + default = 10000, + }, + verbose_errors = { + type = "boolean", + default = false + }, + skip_request_body_validation = { + type = "boolean", + default = false + }, + skip_request_header_validation = { + type = "boolean", + default = false + }, + skip_query_param_validation = { + type = "boolean", + default = false + }, + skip_path_params_validation = { + type = "boolean", + default = false + }, + reject_if_not_match = { + type = "boolean", + default = true + }, + rejection_status_code = { + description = "HTTP status code to return when request validation fails", + type = "integer", + minimum = 400, + maximum = 599, + default = 400 + } + }, + oneOf = { + {required = {"spec"}}, + {required = {"spec_url"}}, + }, +} + +local metadata_schema = { + type = "object", + properties = { + spec_url_ttl = { + description = "TTL in seconds for cached spec fetched from spec_url", + type = "integer", + minimum = 1, + default = DEFAULT_SPEC_URL_TTL, + }, + }, +} + +local spec_url_lrucache +local spec_url_lrucache_ttl + +local function get_spec_url_ttl() + local metadata = plugin.plugin_metadata(plugin_name) + if metadata and metadata.value and metadata.value.spec_url_ttl then + return metadata.value.spec_url_ttl + end + return DEFAULT_SPEC_URL_TTL +end + +local function get_spec_url_lrucache() + local ttl = get_spec_url_ttl() + if not spec_url_lrucache or spec_url_lrucache_ttl ~= ttl then + spec_url_lrucache = core.lrucache.new({ + ttl = ttl, + count = 512, + invalid_stale = true, + refresh_stale = true, + serial_creating = true, + }) + spec_url_lrucache_ttl = ttl + end + return spec_url_lrucache +end + +local function fetch_and_compile(conf) + local httpc = http.new() + httpc:set_timeout(conf.timeout or 10000) + + local params = { + method = "GET", + ssl_verify = conf.ssl_verify or false, + } + if conf.spec_url_request_headers then + params.headers = conf.spec_url_request_headers + end + + local res, err = httpc:request_uri(conf.spec_url, params) Review Comment: it is unstable, should we add retry process? -- This is an automated message from the Apache Git Service. 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