47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
package home
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import (
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"context"
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"crypto/tls"
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"net"
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"net/http"
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"net/url"
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)
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// httpClient returns a new HTTP client that uses the AdGuard Home's own DNS
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// server for resolving hostnames. The resulting client should not be used
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// until [Context.dnsServer] is initialized.
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//
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// TODO(a.garipov, e.burkov): This is rather messy. Refactor.
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func httpClient() (c *http.Client) {
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// Do not use Context.dnsServer.DialContext directly in the struct literal
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// below, since Context.dnsServer may be nil when this function is called.
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dialContext := func(ctx context.Context, network, addr string) (conn net.Conn, err error) {
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return Context.dnsServer.DialContext(ctx, network, addr)
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}
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return &http.Client{
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// TODO(a.garipov): Make configurable.
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Timeout: writeTimeout,
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Transport: &http.Transport{
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DialContext: dialContext,
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Proxy: httpProxy,
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TLSClientConfig: &tls.Config{
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RootCAs: Context.tlsRoots,
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CipherSuites: Context.tlsCipherIDs,
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MinVersion: tls.VersionTLS12,
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},
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},
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}
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}
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// httpProxy returns parses and returns an HTTP proxy URL from the config, if
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// any.
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func httpProxy(_ *http.Request) (u *url.URL, err error) {
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if config.ProxyURL == "" {
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return nil, nil
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}
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return url.Parse(config.ProxyURL)
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}
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