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96 lines
2.3 KiB
96 lines
2.3 KiB
package server
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import (
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"fmt"
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"net/http"
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"github.com/halverneus/static-file-server/config"
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"github.com/halverneus/static-file-server/handle"
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)
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var (
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// Values to be overridden to simplify unit testing.
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selectHandler = handlerSelector
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selectListener = listenerSelector
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)
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// Run server.
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func Run() error {
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if config.Get.Debug {
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config.Log()
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}
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// Choose and set the appropriate, optimized static file serving function.
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handler := selectHandler()
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// Serve files over HTTP or HTTPS based on paths to TLS files being
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// provided.
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listener := selectListener()
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binding := fmt.Sprintf("%s:%d", config.Get.Host, config.Get.Port)
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return listener(binding, handler)
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}
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// handlerSelector returns the appropriate request handler based on
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// configuration.
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func handlerSelector() (handler http.HandlerFunc) {
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var serveFileHandler handle.FileServerFunc
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serveFileHandler = http.ServeFile
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if config.Get.Debug {
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serveFileHandler = handle.WithLogging(serveFileHandler)
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}
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if 0 != len(config.Get.Referrers) {
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serveFileHandler = handle.WithReferrers(
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serveFileHandler, config.Get.Referrers,
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)
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}
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// Choose and set the appropriate, optimized static file serving function.
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if 0 == len(config.Get.URLPrefix) {
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handler = handle.Basic(serveFileHandler, config.Get.Folder)
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} else {
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handler = handle.Prefix(
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serveFileHandler,
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config.Get.Folder,
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config.Get.URLPrefix,
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)
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}
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// Determine whether index files should hidden.
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if !config.Get.ShowListing {
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if config.Get.AllowIndex {
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handler = handle.PreventListings(handler, config.Get.Folder, config.Get.URLPrefix)
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} else {
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handler = handle.IgnoreIndex(handler)
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}
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}
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// If configured, apply wildcard CORS support.
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if config.Get.Cors {
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handler = handle.AddCorsWildcardHeaders(handler)
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}
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// If configured, apply key code access control.
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if "" != config.Get.AccessKey {
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handler = handle.AddAccessKey(handler, config.Get.AccessKey)
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}
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return
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}
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// listenerSelector returns the appropriate listener handler based on
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// configuration.
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func listenerSelector() (listener handle.ListenerFunc) {
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// Serve files over HTTP or HTTPS based on paths to TLS files being
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// provided.
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if 0 < len(config.Get.TLSCert) {
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handle.SetMinimumTLSVersion(config.Get.TLSMinVers)
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listener = handle.TLSListening(
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config.Get.TLSCert,
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config.Get.TLSKey,
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)
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} else {
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listener = handle.Listening()
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}
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return
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}
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