35 lines
626 B
Go
35 lines
626 B
Go
package instagram
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import (
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"errors"
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"log"
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"net/http"
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"strconv"
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)
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var sem = make(chan byte, 2)
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var client = &http.Client{}
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// GetHTTPResource gets HTTP resource with Instagram headers
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func GetHTTPResource(u string) (*http.Response, error) {
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sem <- 1
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req, err := http.NewRequest("GET", u, nil)
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if err != nil {
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log.Fatalf("FAT HTTP - Failed to create new Request: %+v", err)
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<-sem
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return nil, err
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}
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res, err := client.Do(req)
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if err != nil {
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<-sem
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return nil, err
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}
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if res.StatusCode != 200 {
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res.Body.Close()
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<-sem
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return nil, errors.New(strconv.Itoa(res.StatusCode))
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}
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<-sem
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return res, nil
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}
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