github.com/kaydxh/golang@v0.0.131/go/net/http/http_client_proxy.go (about)

     1  /*
     2   *Copyright (c) 2022, kaydxh
     3   *
     4   *Permission is hereby granted, free of charge, to any person obtaining a copy
     5   *of this software and associated documentation files (the "Software"), to deal
     6   *in the Software without restriction, including without limitation the rights
     7   *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     8   *copies of the Software, and to permit persons to whom the Software is
     9   *furnished to do so, subject to the following conditions:
    10   *
    11   *The above copyright notice and this permission notice shall be included in all
    12   *copies or substantial portions of the Software.
    13   *
    14   *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    15   *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    16   *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    17   *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    18   *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    19   *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    20   *SOFTWARE.
    21   */
    22  package http
    23  
    24  import (
    25  	"net/http"
    26  
    27  	url_ "github.com/kaydxh/golang/go/net/url"
    28  )
    29  
    30  func RequestWithTargetHost(req *http.Request, target string) error {
    31  	if target == "" {
    32  		return nil
    33  	}
    34  
    35  	newUrl, err := url_.ResolveWithTarget(req.Context(), req.URL, target)
    36  	if err != nil {
    37  		return err
    38  	}
    39  	req.URL = newUrl
    40  	req.Host = newUrl.Host
    41  
    42  	return nil
    43  }
    44  
    45  func NewClientWithTargetHost(target string, opts ...ClientOption) *Client {
    46  	opts = append(opts, WithTargetHost(target))
    47  	c, _ := NewClient(opts...)
    48  	return c
    49  }