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>

CloudronPackages/APISIX/apisix-source/apisix/plugins/multi-auth.lua

@@ -0,0 +1,105 @@
+--
+-- 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 require = require
+local pairs = pairs
+local type = type
+local plugin = require("apisix.plugin")
+
+local schema = {
+    type = "object",
+    title = "work with route or service object",
+    properties = {
+        auth_plugins = { type = "array", minItems = 2 }
+    },
+    required = { "auth_plugins" },
+}
+
+
+local plugin_name = "multi-auth"
+
+local _M = {
+    version = 0.1,
+    priority = 2600,
+    type = 'auth',
+    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
+
+    local auth_plugins = conf.auth_plugins
+    for k, auth_plugin in pairs(auth_plugins) do
+        for auth_plugin_name, auth_plugin_conf in pairs(auth_plugin) do
+            local auth = plugin.get(auth_plugin_name)
+            if auth == nil then
+                return false, auth_plugin_name .. " plugin did not found"
+            else
+                if auth.type ~= 'auth' then
+                    return false, auth_plugin_name .. " plugin is not supported"
+                end
+                local ok, err = auth.check_schema(auth_plugin_conf, auth.schema)
+                if not ok then
+                    return false, "plugin " .. auth_plugin_name .. " check schema failed: " .. err
+                end
+            end
+        end
+    end
+
+    return true
+end
+
+function _M.rewrite(conf, ctx)
+    local auth_plugins = conf.auth_plugins
+    local status_code
+    local errors = {}
+
+    for k, auth_plugin in pairs(auth_plugins) do
+        for auth_plugin_name, auth_plugin_conf in pairs(auth_plugin) do
+            local auth = plugin.get(auth_plugin_name)
+            -- returns 401 HTTP status code if authentication failed, otherwise returns nothing.
+            local auth_code, err = auth.rewrite(auth_plugin_conf, ctx)
+            if type(err) == "table" then
+                err = err.message  -- compat
+            end
+
+            status_code = auth_code
+            if auth_code == nil then
+                core.log.debug(auth_plugin_name .. " succeed to authenticate the request")
+                goto authenticated
+            else
+                core.table.insert(errors, auth_plugin_name ..
+                        " failed to authenticate the request, code: "
+                        .. auth_code .. ". error: " .. err)
+            end
+        end
+    end
+
+    :: authenticated ::
+    if status_code ~= nil then
+        for _, error in pairs(errors) do
+            core.log.warn(error)
+        end
+        return 401, { message = "Authorization Failed" }
+    end
+end
+
+return _M