first commit
This commit is contained in:
233
internal/pkg/fetcher/fetcher.go
Normal file
233
internal/pkg/fetcher/fetcher.go
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package fetcher
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import (
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"bytes"
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"errors"
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"fmt"
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"io"
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"mime/multipart"
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"net/http"
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"time"
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)
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// Get get请求
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func Get(url string, timeout time.Duration) ([]byte, int, error) {
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req, err := http.NewRequest("GET", url, nil)
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if err != nil {
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return nil, 0, fmt.Errorf("[get] new request err: %v", err)
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}
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client := &http.Client{Timeout: timeout}
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resp, err := client.Do(req)
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if err != nil {
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return nil, 0, fmt.Errorf("[get] client do err: %v", err)
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}
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defer resp.Body.Close()
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status := resp.StatusCode
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res, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, status, fmt.Errorf("read response err: %v", err)
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}
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return res, status, nil
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}
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// GetString 请求
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func GetString(url string, parameter map[string]string, timeout time.Duration) ([]byte, int, error) {
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byteParameter := new(bytes.Buffer)
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w := multipart.NewWriter(byteParameter)
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for k, v := range parameter {
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w.WriteField(k, v)
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}
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w.Close()
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request, err := http.NewRequest("GET", url, byteParameter)
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if err != nil {
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return nil, 0, fmt.Errorf("[getstring] new request err: %v", err)
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}
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request.Header.Set("Content-Type", w.FormDataContentType())
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client := &http.Client{Timeout: time.Second * timeout}
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response, err := client.Do(request)
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if err != nil {
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return nil, 0, err
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}
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defer func(Body io.ReadCloser) {
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_ = Body.Close()
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}(response.Body)
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status := response.StatusCode
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resp, err := io.ReadAll(response.Body)
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if err != nil {
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return nil, status, err
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}
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return resp, status, nil
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}
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// GetJson application/json get 请求
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func GetJson(url string, parameter []byte, timeout time.Duration) ([]byte, int, error) {
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byteParameter := bytes.NewBuffer(parameter)
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req, err := http.NewRequest("GET", url, byteParameter)
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if err != nil {
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return nil, 0, fmt.Errorf("[getjson] new request err: %v", err)
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}
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client := &http.Client{Timeout: timeout}
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resp, err := client.Do(req)
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if err != nil {
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return nil, 0, fmt.Errorf("[getjson] client do err: %v", err)
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}
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defer resp.Body.Close()
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status := resp.StatusCode
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res, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, status, fmt.Errorf("read response err: %v", err)
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}
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return res, status, nil
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}
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// GetJsonWithToken Get json with token 请求
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func GetJsonWithToken(url string, token string, timeout time.Duration) ([]byte, int, error) {
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request, err := http.NewRequest("GET", url, nil)
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if err != nil {
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return nil, 0, err
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}
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request.Header.Set("Content-type", "application/json")
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request.Header.Set("Access-Token", token)
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client := &http.Client{Timeout: timeout}
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response, err := client.Do(request)
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if err != nil {
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return nil, 0, errors.New("请求网络错误")
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}
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defer response.Body.Close()
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status := response.StatusCode
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resp, err := io.ReadAll(response.Body)
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if err != nil {
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return nil, status, err
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}
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return resp, status, nil
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}
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// PostJson application/json post 请求
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func PostJson(url string, parameter []byte, timeout time.Duration) ([]byte, int, error) {
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byteParameter := bytes.NewBuffer(parameter)
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request, err := http.NewRequest("POST", url, byteParameter)
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if err != nil {
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return nil, 0, fmt.Errorf("[postjson] new request err: %v", err)
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}
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request.Header.Set("Content-type", "application/json")
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client := &http.Client{Timeout: timeout}
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response, err := client.Do(request)
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if err != nil {
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return nil, 0, fmt.Errorf("[postjson] client do err: %v", err)
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}
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defer response.Body.Close()
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status := response.StatusCode
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all, err := io.ReadAll(response.Body)
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if err != nil {
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return nil, status, fmt.Errorf("read response err: %v", err)
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}
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return all, status, nil
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}
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// PostString application/x-www-form-urlencoded 请求
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func PostString(url string, parameter []byte, timeout time.Duration) ([]byte, int, error) {
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byteParameter := bytes.NewBuffer(parameter)
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request, err := http.NewRequest("POST", url, byteParameter)
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if err != nil {
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return nil, 0, fmt.Errorf("[poststring] new request err: %v", err)
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}
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request.Header.Set("Content-type", "application/x-www-form-urlencoded")
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client := &http.Client{Timeout: timeout}
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response, err := client.Do(request)
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if err != nil {
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return nil, 0, fmt.Errorf("[poststring] client do err: %v", err)
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}
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defer response.Body.Close()
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status := response.StatusCode
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all, err := io.ReadAll(response.Body)
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if err != nil {
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return nil, status, fmt.Errorf("read response err: %v", err)
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}
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return all, status, nil
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}
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// PostJsonWithToken Post json with token 请求
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func PostJsonWithToken(url string, parameter []byte, token string, timeout time.Duration) ([]byte, int, error) {
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bufParameter := bytes.NewBuffer(parameter)
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request, err := http.NewRequest("POST", url, bufParameter)
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if err != nil {
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return nil, 0, err
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}
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request.Header.Set("Content-type", "application/json")
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request.Header.Set("Access-Token", token)
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client := &http.Client{Timeout: timeout}
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response, err := client.Do(request)
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if err != nil {
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return nil, 0, fmt.Errorf("请求网络错误: %v", err)
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}
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defer func(Body io.ReadCloser) {
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_ = Body.Close()
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}(response.Body)
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stauts := response.StatusCode
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resp, err := io.ReadAll(response.Body)
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if err != nil {
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return nil, stauts, errors.New("网络请求结果读取失败")
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}
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return resp, stauts, nil
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}
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// PostJsonWithBearerToken Post json with bearer token 请求
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func PostJsonWithBearerToken(url string, parameter []byte, token string, timeout time.Duration) ([]byte, int, error) {
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bufParameter := bytes.NewBuffer(parameter)
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request, err := http.NewRequest("POST", url, bufParameter)
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if err != nil {
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return nil, 0, err
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}
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request.Header.Set("Content-type", "application/json")
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request.Header.Set("Authorization", fmt.Sprintf("bearer %s", token))
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client := &http.Client{Timeout: timeout}
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response, err := client.Do(request)
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if err != nil {
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return nil, 0, fmt.Errorf("请求网络错误: %v", err)
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}
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defer func(Body io.ReadCloser) {
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_ = Body.Close()
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}(response.Body)
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status := response.StatusCode
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resp, err := io.ReadAll(response.Body)
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if err != nil {
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return nil, status, errors.New("网络请求结果读取失败")
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}
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return resp, status, nil
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}
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// func determiningEncoding(r *bufio.Reader) encoding.Encoding {
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// b, err := r.Peek(1024)
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// if err != nil && err != io.EOF {
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// log.Printf("Fetcher error: %v", err)
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// return unicode.UTF8
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// }
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// e, _, _ := charset.DetermineEncoding(b, "")
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// return e
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// }
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