generated from ipfs/ipfs-repository-template
-
Notifications
You must be signed in to change notification settings - Fork 95
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
fix: add proper CONNECT support to examples, common http handler
- Loading branch information
Showing
6 changed files
with
86 additions
and
97 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 was deleted.
Oops, something went wrong.
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 +1,81 @@ | ||
| package common | ||
|
|
||
| import ( | ||
| "net/http" | ||
|
|
||
| "github.com/ipfs/boxo/gateway" | ||
| "github.com/prometheus/client_golang/prometheus" | ||
| "github.com/prometheus/client_golang/prometheus/promhttp" | ||
| ) | ||
|
|
||
| func NewHandler(gwAPI gateway.IPFSBackend) http.Handler { | ||
| // Initialize the headers and gateway configuration. For this example, we do | ||
| // not add any special headers, but the required ones. | ||
| headers := map[string][]string{} | ||
| gateway.AddAccessControlHeaders(headers) | ||
| conf := gateway.Config{ | ||
| Headers: headers, | ||
| } | ||
|
|
||
| // Initialize the public gateways that we will want to have available through | ||
| // Host header rewriting. This step is optional and only required if you're | ||
| // running multiple public gateways and want different settings and support | ||
| // for DNSLink and Subdomain Gateways. | ||
| noDNSLink := false // If you set DNSLink to point at the CID from CAR, you can load it! | ||
| publicGateways := map[string]*gateway.Specification{ | ||
| // Support public requests with Host: CID.ipfs.example.net and ID.ipns.example.net | ||
| "example.net": { | ||
| Paths: []string{"/ipfs", "/ipns"}, | ||
| NoDNSLink: noDNSLink, | ||
| UseSubdomains: true, | ||
| }, | ||
| // Support local requests | ||
| "localhost": { | ||
| Paths: []string{"/ipfs", "/ipns"}, | ||
| NoDNSLink: noDNSLink, | ||
| UseSubdomains: true, | ||
| }, | ||
| } | ||
|
|
||
| // Creates a mux to serve the gateway paths. This is not strictly necessary | ||
| // and gwHandler could be used directly. However, on the next step we also want | ||
| // to add prometheus metrics, hence needing the mux. | ||
| gwHandler := gateway.NewHandler(conf, gwAPI) | ||
| mux := http.NewServeMux() | ||
| mux.Handle("/ipfs/", gwHandler) | ||
| mux.Handle("/ipns/", gwHandler) | ||
|
|
||
| // Serves prometheus metrics alongside the gateway. This step is optional and | ||
| // only required if you need or want to access the metrics. You may also decide | ||
| // to expose the metrics on a different path, or port. | ||
| mux.Handle("/debug/metrics/prometheus", promhttp.HandlerFor(prometheus.DefaultGatherer, promhttp.HandlerOpts{})) | ||
|
|
||
| // Then wrap the mux with the hostname handler. Please note that the metrics | ||
| // will not be available under the previously defined publicGateways. | ||
| // You will be able to access the metrics via 127.0.0.1 but not localhost | ||
| // or example.net. If you want to expose the metrics on such gateways, | ||
| // you will have to add the path "/debug" to the variable Paths. | ||
| var handler http.Handler | ||
| handler = gateway.WithHostname(mux, gwAPI, publicGateways, noDNSLink) | ||
|
|
||
| // Finally, wrap with the withConnect middleware. This is required since we use | ||
| // http.ServeMux which does not support CONNECT by default. | ||
| handler = withConnect(handler) | ||
|
|
||
| return handler | ||
| } | ||
|
|
||
| // withConnect provides a middleware that adds support to the HTTP CONNECT method. | ||
| // This is required if the implementer is using http.ServeMux, or some other structure | ||
| // that does not support the CONNECT method. It should be applied to the top-level handler. | ||
| // https://golang.org/src/net/http/request.go#L111 | ||
| func withConnect(next http.Handler) http.Handler { | ||
| return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| if r.Method == http.MethodConnect { | ||
| w.WriteHeader(http.StatusOK) | ||
| return | ||
| } | ||
|
|
||
| next.ServeHTTP(w, r) | ||
| }) | ||
| } |
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