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50 lines
1.4 KiB
Go
50 lines
1.4 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 swag
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"strings"
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)
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// LoadFromFileOrHTTP loads the bytes from a file or a remote http server based on the path passed in
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func LoadFromFileOrHTTP(path string) ([]byte, error) {
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return LoadStrategy(path, ioutil.ReadFile, loadHTTPBytes)(path)
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}
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// LoadStrategy returns a loader function for a given path or uri
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func LoadStrategy(path string, local, remote func(string) ([]byte, error)) func(string) ([]byte, error) {
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if strings.HasPrefix(path, "http") {
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return remote
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}
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return local
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}
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func loadHTTPBytes(path string) ([]byte, error) {
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resp, err := http.Get(path)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("could not access document at %q [%s] ", path, resp.Status)
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}
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return ioutil.ReadAll(resp.Body)
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}
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