feat(apisix): add Cloudron package
- Implements Apache APISIX packaging for Cloudron platform. - Includes Dockerfile, CloudronManifest.json, and start.sh. - Configured to use Cloudron's etcd addon. 🤖 Generated with Gemini CLI Co-Authored-By: Gemini <noreply@google.com>
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--
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-- Licensed to the Apache Software Foundation (ASF) under one or more
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-- contributor license agreements. See the NOTICE file distributed with
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-- this work for additional information regarding copyright ownership.
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-- The ASF licenses this file to You under the Apache License, Version 2.0
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-- (the "License"); you may not use this file except in compliance with
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-- the License. You may obtain a copy of the License at
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--
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-- http://www.apache.org/licenses/LICENSE-2.0
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--
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-- Unless required by applicable law or agreed to in writing, software
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-- distributed under the License is distributed on an "AS IS" BASIS,
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-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-- See the License for the specific language governing permissions and
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-- limitations under the License.
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local ngx = ngx
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local require = require
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local type = type
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local string = string
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return function(plugin_name, version, priority, request_processor, authz_schema, metadata_schema)
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local core = require("apisix.core")
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local http = require("resty.http")
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local url = require("net.url")
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if request_processor and type(request_processor) ~= "function" then
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return "Failed to generate plugin due to invalid header processor type, " ..
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"expected: function, received: " .. type(request_processor)
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end
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local schema = {
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type = "object",
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properties = {
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function_uri = {type = "string"},
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authorization = authz_schema,
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timeout = {type = "integer", minimum = 100, default = 3000},
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ssl_verify = {type = "boolean", default = true},
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keepalive = {type = "boolean", default = true},
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keepalive_timeout = {type = "integer", minimum = 1000, default = 60000},
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keepalive_pool = {type = "integer", minimum = 1, default = 5}
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},
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required = {"function_uri"}
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}
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local _M = {
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version = version,
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priority = priority,
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name = plugin_name,
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schema = schema,
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metadata_schema = metadata_schema
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}
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function _M.check_schema(conf, schema_type)
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if schema_type == core.schema.TYPE_METADATA then
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return core.schema.check(metadata_schema, conf)
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end
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return core.schema.check(schema, conf)
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end
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function _M.access(conf, ctx)
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local uri_args = core.request.get_uri_args(ctx)
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local headers = core.request.headers(ctx) or {}
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local req_body, err = core.request.get_body()
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if err then
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core.log.error("error while reading request body: ", err)
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return 400
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end
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-- forward the url path came through the matched uri
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local url_decoded = url.parse(conf.function_uri)
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local path = url_decoded.path or "/"
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if ctx.curr_req_matched and ctx.curr_req_matched[":ext"] then
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local end_path = ctx.curr_req_matched[":ext"]
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if path:byte(-1) == string.byte("/") or end_path:byte(1) == string.byte("/") then
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path = path .. end_path
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else
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path = path .. "/" .. end_path
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end
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end
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headers["host"] = url_decoded.host
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local params = {
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method = ngx.req.get_method(),
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body = req_body,
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query = uri_args,
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headers = headers,
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path = path,
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keepalive = conf.keepalive,
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ssl_verify = conf.ssl_verify
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}
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-- Keepalive options
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if conf.keepalive then
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params.keepalive_timeout = conf.keepalive_timeout
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params.keepalive_pool = conf.keepalive_pool
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end
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-- modify request info (if required)
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request_processor(conf, ctx, params)
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local httpc = http.new()
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httpc:set_timeout(conf.timeout)
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local res
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res, err = httpc:request_uri(conf.function_uri, params)
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if not res then
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core.log.error("failed to process ", plugin_name, ", err: ", err)
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return 503
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end
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-- According to RFC7540 https://datatracker.ietf.org/doc/html/rfc7540#section-8.1.2.2,
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-- endpoint must not generate any connection specific headers for HTTP/2 requests.
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local response_headers = res.headers
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if ngx.var.http2 then
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response_headers["Connection"] = nil
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response_headers["Keep-Alive"] = nil
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response_headers["Proxy-Connection"] = nil
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response_headers["Upgrade"] = nil
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response_headers["Transfer-Encoding"] = nil
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end
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-- setting response headers
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core.response.set_header(response_headers)
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return res.status, res.body
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end
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return _M
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end
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@@ -0,0 +1,124 @@
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--
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-- Licensed to the Apache Software Foundation (ASF) under one or more
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-- contributor license agreements. See the NOTICE file distributed with
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-- this work for additional information regarding copyright ownership.
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-- The ASF licenses this file to You under the Apache License, Version 2.0
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-- (the "License"); you may not use this file except in compliance with
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-- the License. You may obtain a copy of the License at
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--
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-- http://www.apache.org/licenses/LICENSE-2.0
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--
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-- Unless required by applicable law or agreed to in writing, software
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-- distributed under the License is distributed on an "AS IS" BASIS,
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-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-- See the License for the specific language governing permissions and
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-- limitations under the License.
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--
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local ipairs = ipairs
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local pcall = pcall
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local loadstring = loadstring
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local require = require
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local type = type
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local phases = {
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"rewrite", "access", "header_filter", "body_filter",
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"log", "before_proxy"
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}
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return function(plugin_name, priority)
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local core = require("apisix.core")
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local lrucache = core.lrucache.new({
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type = "plugin",
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})
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local schema = {
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type = "object",
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properties = {
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phase = {
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type = "string",
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default = "access",
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enum = phases,
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},
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functions = {
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type = "array",
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items = {type = "string"},
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minItems = 1
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},
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},
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required = {"functions"}
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}
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local _M = {
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version = 0.1,
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priority = priority,
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name = plugin_name,
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schema = schema,
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}
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local function load_funcs(functions)
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local funcs = core.table.new(#functions, 0)
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local index = 1
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for _, func_str in ipairs(functions) do
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local _, func = pcall(loadstring(func_str))
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funcs[index] = func
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index = index + 1
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end
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return funcs
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end
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local function call_funcs(phase, conf, ctx)
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if phase ~= conf.phase then
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return
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end
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local functions = core.lrucache.plugin_ctx(lrucache, ctx, nil,
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load_funcs, conf.functions)
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for _, func in ipairs(functions) do
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local code, body = func(conf, ctx)
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if code or body then
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return code, body
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end
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end
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end
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function _M.check_schema(conf)
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local ok, err = core.schema.check(schema, conf)
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if not ok then
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return false, err
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end
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local functions = conf.functions
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for _, func_str in ipairs(functions) do
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local func, err = loadstring(func_str)
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if err then
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return false, 'failed to loadstring: ' .. err
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end
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local ok, ret = pcall(func)
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if not ok then
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return false, 'pcall error: ' .. ret
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end
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if type(ret) ~= 'function' then
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return false, 'only accept Lua function,'
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.. ' the input code type is ' .. type(ret)
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end
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end
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return true
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end
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for _, phase in ipairs(phases) do
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_M[phase] = function (conf, ctx)
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return call_funcs(phase, conf, ctx)
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end
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end
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return _M
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end
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