Import golang.org/x/net/proxy instead of using the bundle in
x_net_proxy.go. There's no need to avoid the dependency on
golang.org/x/net/proxy now that Go's module system is in widespread use.
Change Dialer.DialContext to pass contexts as an argument to the dial
function instead of tunneling the context through closures. Tunneling is
no longer needed because the proxy package supports contexts. The
version of the proxy package in the bundle predates contexts!
Simplify the code for calculating the base dial function.
Prevent the HTTP proxy dialer from leaking out of the websocket package
by selecting the HTTP proxy dialer directly in the websocket package.
Previously, the HTTP dialer was registered with the proxy package.
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## What type of PR is this? (check all applicable)
- [x] Refactor
- [ ] Feature
- [ ] Bug Fix
- [ ] Optimization
- [ ] Documentation Update
- [ ] Go Version Update
- [ ] Dependency Update
## Description
## Related Tickets & Documents
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- Related Issue #
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## Added/updated tests?
- [ ] Yes
- [x] No
- [ ] I need help with writing tests
## Run verifications and test
- [ ] `make verify` is passing
- [ ] `make test` is passing
- Bundle the golang.org/x/net/proxy package to x_net_proxy.go. The
package contains a SOCKS5 proxy. The package is bundled to avoid adding
a dependency from the weboscket package to golang.org/x/net.
- Restructure the existing HTTP proxy code so the code can be used as a
dialer with the proxy package.
- Modify Dialer.Dial to use proxy.FromURL.
- Improve tests (avoid modifying package-level data, use timeouts in
tests, use correct proxy URLs in tests).
Fixes#297.
Canelo Hill