5e529a1c96
additionally also add CORS support to restrict for specific origin, adds a new config and updated the documentation as well
118 lines
3.1 KiB
Go
118 lines
3.1 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2020 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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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package api
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import (
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"encoding/json"
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"errors"
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"strconv"
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"strings"
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"time"
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"github.com/minio/minio/cmd/config"
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"github.com/minio/minio/pkg/env"
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)
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// API sub-system constants
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const (
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apiRequestsMax = "requests_max"
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apiRequestsDeadline = "requests_deadline"
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apiReadyDeadline = "ready_deadline"
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apiCorsAllowOrigin = "cors_allow_origin"
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EnvAPIRequestsMax = "MINIO_API_REQUESTS_MAX"
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EnvAPIRequestsDeadline = "MINIO_API_REQUESTS_DEADLINE"
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EnvAPIReadyDeadline = "MINIO_API_READY_DEADLINE"
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EnvAPICorsAllowOrigin = "MINIO_API_CORS_ALLOW_ORIGIN"
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)
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// DefaultKVS - default storage class config
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var (
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DefaultKVS = config.KVS{
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config.KV{
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Key: apiRequestsMax,
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Value: "0",
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},
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config.KV{
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Key: apiRequestsDeadline,
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Value: "10s",
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},
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config.KV{
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Key: apiReadyDeadline,
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Value: "10s",
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},
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config.KV{
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Key: apiCorsAllowOrigin,
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Value: "*",
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},
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}
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)
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// Config storage class configuration
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type Config struct {
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APIRequestsMax int `json:"requests_max"`
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APIRequestsDeadline time.Duration `json:"requests_deadline"`
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APIReadyDeadline time.Duration `json:"ready_deadline"`
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APICorsAllowOrigin []string `json:"cors_allow_origin"`
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}
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// UnmarshalJSON - Validate SS and RRS parity when unmarshalling JSON.
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func (sCfg *Config) UnmarshalJSON(data []byte) error {
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type Alias Config
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aux := &struct {
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*Alias
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}{
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Alias: (*Alias)(sCfg),
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}
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return json.Unmarshal(data, &aux)
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}
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// LookupConfig - lookup api config and override with valid environment settings if any.
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func LookupConfig(kvs config.KVS) (cfg Config, err error) {
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if err = config.CheckValidKeys(config.APISubSys, kvs, DefaultKVS); err != nil {
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return cfg, err
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}
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// Check environment variables parameters
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requestsMax, err := strconv.Atoi(env.Get(EnvAPIRequestsMax, kvs.Get(apiRequestsMax)))
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if err != nil {
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return cfg, err
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}
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if requestsMax < 0 {
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return cfg, errors.New("invalid API max requests value")
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}
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requestsDeadline, err := time.ParseDuration(env.Get(EnvAPIRequestsDeadline, kvs.Get(apiRequestsDeadline)))
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if err != nil {
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return cfg, err
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}
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readyDeadline, err := time.ParseDuration(env.Get(EnvAPIReadyDeadline, kvs.Get(apiReadyDeadline)))
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if err != nil {
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return cfg, err
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}
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corsAllowOrigin := strings.Split(env.Get(EnvAPICorsAllowOrigin, kvs.Get(apiCorsAllowOrigin)), ",")
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return Config{
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APIRequestsMax: requestsMax,
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APIRequestsDeadline: requestsDeadline,
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APIReadyDeadline: readyDeadline,
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APICorsAllowOrigin: corsAllowOrigin,
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}, nil
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}
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