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57 lines
2.8 KiB
Markdown
57 lines
2.8 KiB
Markdown
# gorilla/handlers
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[](https://codecov.io/github/gorilla/handlers)
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[](https://godoc.org/github.com/gorilla/handlers)
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[](https://sourcegraph.com/github.com/gorilla/handlers?badge)
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Package handlers is a collection of handlers (aka "HTTP middleware") for use
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with Go's `net/http` package (or any framework supporting `http.Handler`), including:
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* [**LoggingHandler**](https://godoc.org/github.com/gorilla/handlers#LoggingHandler) for logging HTTP requests in the Apache [Common Log
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Format](http://httpd.apache.org/docs/2.2/logs.html#common).
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* [**CombinedLoggingHandler**](https://godoc.org/github.com/gorilla/handlers#CombinedLoggingHandler) for logging HTTP requests in the Apache [Combined Log
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Format](http://httpd.apache.org/docs/2.2/logs.html#combined) commonly used by
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both Apache and nginx.
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* [**CompressHandler**](https://godoc.org/github.com/gorilla/handlers#CompressHandler) for gzipping responses.
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* [**ContentTypeHandler**](https://godoc.org/github.com/gorilla/handlers#ContentTypeHandler) for validating requests against a list of accepted
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content types.
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* [**MethodHandler**](https://godoc.org/github.com/gorilla/handlers#MethodHandler) for matching HTTP methods against handlers in a
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`map[string]http.Handler`
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* [**ProxyHeaders**](https://godoc.org/github.com/gorilla/handlers#ProxyHeaders) for populating `r.RemoteAddr` and `r.URL.Scheme` based on the
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`X-Forwarded-For`, `X-Real-IP`, `X-Forwarded-Proto` and RFC7239 `Forwarded`
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headers when running a Go server behind a HTTP reverse proxy.
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* [**CanonicalHost**](https://godoc.org/github.com/gorilla/handlers#CanonicalHost) for re-directing to the preferred host when handling multiple
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domains (i.e. multiple CNAME aliases).
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* [**RecoveryHandler**](https://godoc.org/github.com/gorilla/handlers#RecoveryHandler) for recovering from unexpected panics.
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Other handlers are documented [on the Gorilla
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website](https://www.gorillatoolkit.org/pkg/handlers).
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## Example
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A simple example using `handlers.LoggingHandler` and `handlers.CompressHandler`:
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```go
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import (
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"net/http"
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"github.com/gorilla/handlers"
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)
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func main() {
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r := http.NewServeMux()
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// Only log requests to our admin dashboard to stdout
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r.Handle("/admin", handlers.LoggingHandler(os.Stdout, http.HandlerFunc(ShowAdminDashboard)))
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r.HandleFunc("/", ShowIndex)
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// Wrap our server with our gzip handler to gzip compress all responses.
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http.ListenAndServe(":8000", handlers.CompressHandler(r))
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}
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```
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## License
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BSD licensed. See the included LICENSE file for details.
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