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utils.go
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/
utils.go
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package ytdl
import (
"context"
"fmt"
"io/ioutil"
"net/http"
)
func reverseStringSlice(s []string) {
for i, j := 0, len(s)-1; i < len(s)/2; i, j = i+1, j-1 {
s[i], s[j] = s[j], s[i]
}
}
func interfaceToString(val interface{}) string {
return fmt.Sprintf("%v", val)
}
func (c *Client) httpGet(cx context.Context, url string) (*http.Response, error) {
req, err := http.NewRequest("GET", url, nil)
if err != nil {
return nil, err
}
req = req.WithContext(cx)
// Youtube responses depend on language and user agent
req.Header.Set("Accept-Language", "en-US,en;q=0.5")
req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:70.0) Gecko/20100101 Firefox/70.0")
return c.HTTPClient.Do(req)
}
func (c *Client) httpGetAndCheckResponse(cx context.Context, url string) (*http.Response, error) {
c.Logger.Debug().Msgf("Fetching %v", url)
resp, err := c.httpGet(cx, url)
if err != nil {
return nil, fmt.Errorf("request failed: %w", err)
}
if resp.StatusCode != 200 {
resp.Body.Close()
return nil, fmt.Errorf("unexpected status code: %v", resp.StatusCode)
}
return resp, nil
}
func (c *Client) httpGetAndCheckResponseReadBody(cx context.Context, url string) ([]byte, error) {
resp, err := c.httpGetAndCheckResponse(cx, url)
if err != nil {
return nil, err
}
defer resp.Body.Close()
return ioutil.ReadAll(resp.Body)
}