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42 lines
1.3 KiB
Go
42 lines
1.3 KiB
Go
package server
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import (
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"net/http"
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"github.com/mholt/caddy/config"
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"github.com/mholt/caddy/middleware"
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)
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// virtualHost represents a virtual host/server. While a Server
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// is what actually binds to the address, a user may want to serve
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// multiple sites on a single address, and what is what a
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// virtualHost allows us to do.
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type virtualHost struct {
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config config.Config
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fileServer middleware.Handler
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stack middleware.Handler
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}
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// buildStack builds the server's middleware stack based
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// on its config. This method should be called last before
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// ListenAndServe begins.
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func (vh *virtualHost) buildStack() error {
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vh.fileServer = FileServer(http.Dir(vh.config.Root), []string{vh.config.ConfigFile})
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// TODO: We only compile middleware for the "/" scope.
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// Partial support for multiple location contexts already
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// exists at the parser and config levels, but until full
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// support is implemented, this is all we do right here.
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vh.compile(vh.config.Middleware["/"])
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return nil
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}
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// compile is an elegant alternative to nesting middleware function
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// calls like handler1(handler2(handler3(finalHandler))).
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func (vh *virtualHost) compile(layers []middleware.Middleware) {
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vh.stack = vh.fileServer // core app layer
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for i := len(layers) - 1; i >= 0; i-- {
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vh.stack = layers[i](vh.stack)
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}
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}
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