63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
/*
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* Copyright 2020 The Dragonfly Authors
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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 idgen
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import (
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"strings"
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"d7y.io/dragonfly/v2/pkg/rpc/base"
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"d7y.io/dragonfly/v2/pkg/util/digestutils"
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"d7y.io/dragonfly/v2/pkg/util/net/urlutils"
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)
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func taskID(url string, meta *base.UrlMeta, ignoreRange bool) string {
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var filters []string
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if meta != nil && meta.Filter != "" {
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filters = strings.Split(meta.Filter, "&")
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}
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var data []string
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data = append(data, urlutils.FilterURLParam(url, filters))
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if meta != nil {
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if meta.Digest != "" {
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data = append(data, meta.Digest)
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}
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if !ignoreRange && meta.Range != "" {
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data = append(data, meta.Range)
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}
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if meta.Tag != "" {
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data = append(data, meta.Tag)
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}
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}
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return digestutils.Sha256(data...)
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}
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// TaskID generates a task id.
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// filter is separated by & character.
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func TaskID(url string, meta *base.UrlMeta) string {
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return taskID(url, meta, false)
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}
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// ParentTaskID generates a task id like TaskID, but without range.
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// this func is used to check the parent tasks for ranged requests
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func ParentTaskID(url string, meta *base.UrlMeta) string {
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return taskID(url, meta, true)
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}
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