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30 lines
844 B
Go
30 lines
844 B
Go
package corehttp
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import (
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"net/http"
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"strings"
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"github.com/ipfs/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
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"github.com/ipfs/go-ipfs/core"
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)
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// IPNSHostnameOption rewrites an incoming request if its Host: header contains
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// an IPNS name.
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// The rewritten request points at the resolved name on the gateway handler.
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func IPNSHostnameOption() ServeOption {
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return func(n *core.IpfsNode, mux *http.ServeMux) (*http.ServeMux, error) {
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childMux := http.NewServeMux()
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mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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ctx, cancel := context.WithCancel(n.Context())
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defer cancel()
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host := strings.SplitN(r.Host, ":", 2)[0]
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if p, err := n.Namesys.Resolve(ctx, host); err == nil {
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r.URL.Path = "/ipfs/" + p.String() + r.URL.Path
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}
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childMux.ServeHTTP(w, r)
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})
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return childMux, nil
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}
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}
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