generated from openziti/template-repo
-
Notifications
You must be signed in to change notification settings - Fork 1
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Add support for http connect proxying to tls connections
- Loading branch information
Showing
6 changed files
with
265 additions
and
19 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| /* | ||
| Copyright NetFoundry Inc. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| https://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package proxies | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "github.com/michaelquigley/pfxlog" | ||
| "github.com/pkg/errors" | ||
| "golang.org/x/net/proxy" | ||
| "io" | ||
| "net" | ||
| "net/http" | ||
| "net/url" | ||
| ) | ||
|
|
||
| func NewHttpConnectProxyDialer(addr string, auth *proxy.Auth) *HttpConnectProxyDialer { | ||
| return &HttpConnectProxyDialer{ | ||
| address: addr, | ||
| auth: auth, | ||
| } | ||
| } | ||
|
|
||
| type HttpConnectProxyDialer struct { | ||
| address string | ||
| auth *proxy.Auth | ||
| } | ||
|
|
||
| func (self *HttpConnectProxyDialer) Dial(network, addr string) (net.Conn, error) { | ||
| c, err := net.Dial(network, self.address) | ||
| if err != nil { | ||
| return nil, errors.Wrapf(err, "unable to connect to proxy server at %s", self.address) | ||
| } | ||
|
|
||
| if err = self.Connect(c, addr); err != nil { | ||
| if closeErr := c.Close(); closeErr != nil { | ||
| pfxlog.Logger().WithError(closeErr).Error("failed to close connection to proxy after connect error") | ||
| } | ||
| return nil, err | ||
| } | ||
|
|
||
| return c, nil | ||
| } | ||
|
|
||
| func (self *HttpConnectProxyDialer) Connect(c net.Conn, addr string) error { | ||
| log := pfxlog.Logger() | ||
|
|
||
| log.Infof("create connect request to %s", addr) | ||
|
|
||
| //ctx, cancelF := context.WithTimeout(context.Background(), 10*time.Second) | ||
| //defer cancelF() | ||
|
|
||
| req := &http.Request{ | ||
| Method: http.MethodConnect, | ||
| URL: &url.URL{Host: addr}, | ||
| Host: addr, | ||
| Header: http.Header{}, | ||
| Close: false, | ||
| } | ||
| // req = req.WithContext(ctx) | ||
| if self.auth != nil { | ||
| req.SetBasicAuth(self.auth.User, self.auth.Password) | ||
| } | ||
| req.Header.Set("User-Agent", "ziti-transport") | ||
|
|
||
| log.Info("writing request to wire") | ||
| if err := req.Write(c); err != nil { | ||
| return errors.Wrapf(err, "unable to send connect request to proxy server at %s", self.address) | ||
| } | ||
|
|
||
| log.Info("reading response from wire") | ||
| resp, err := http.ReadResponse(bufio.NewReader(c), req) | ||
| if err != nil { | ||
| return errors.Wrapf(err, "unable to read response to connect request to proxy server at %s", self.address) | ||
| } | ||
|
|
||
| defer func() { | ||
| log.Info("closing resp body") | ||
| _ = resp.Body.Close() | ||
| }() | ||
|
|
||
| if resp.StatusCode != http.StatusOK { | ||
| respBody, _ := io.ReadAll(resp.Body) | ||
| log.Errorf("proxy returned: %s", string(respBody)) | ||
| return errors.Errorf("received %v instead of 200 OK in response to connect request to proxy server at %s", resp.StatusCode, self.address) | ||
| } | ||
|
|
||
| return nil | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.