mirror of https://github.com/k3s-io/k3s
78 lines
2.3 KiB
Go
78 lines
2.3 KiB
Go
// Copyright 2015 go-swagger maintainers
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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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package runtime
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import (
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"io"
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"net/http"
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"strings"
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"github.com/go-openapi/swag"
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)
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// CanHaveBody returns true if this method can have a body
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func CanHaveBody(method string) bool {
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mn := strings.ToUpper(method)
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return mn == "POST" || mn == "PUT" || mn == "PATCH" || mn == "DELETE"
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}
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// IsSafe returns true if this is a request with a safe method
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func IsSafe(r *http.Request) bool {
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mn := strings.ToUpper(r.Method)
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return mn == "GET" || mn == "HEAD"
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}
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// AllowsBody returns true if the request allows for a body
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func AllowsBody(r *http.Request) bool {
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mn := strings.ToUpper(r.Method)
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return mn != "HEAD"
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}
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// HasBody returns true if this method needs a content-type
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func HasBody(r *http.Request) bool {
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return len(r.TransferEncoding) > 0 || r.ContentLength > 0
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}
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// JSONRequest creates a new http request with json headers set
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func JSONRequest(method, urlStr string, body io.Reader) (*http.Request, error) {
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req, err := http.NewRequest(method, urlStr, body)
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if err != nil {
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return nil, err
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}
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req.Header.Add(HeaderContentType, JSONMime)
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req.Header.Add(HeaderAccept, JSONMime)
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return req, nil
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}
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// Gettable for things with a method GetOK(string) (data string, hasKey bool, hasValue bool)
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type Gettable interface {
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GetOK(string) ([]string, bool, bool)
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}
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// ReadSingleValue reads a single value from the source
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func ReadSingleValue(values Gettable, name string) string {
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vv, _, hv := values.GetOK(name)
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if hv {
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return vv[len(vv)-1]
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}
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return ""
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}
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// ReadCollectionValue reads a collection value from a string data source
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func ReadCollectionValue(values Gettable, name, collectionFormat string) []string {
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v := ReadSingleValue(values, name)
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return swag.SplitByFormat(v, collectionFormat)
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}
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