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 }