51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
package accesslog
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import (
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"net/http"
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"strings"
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"github.com/urfave/negroni"
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)
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// SaveFrontend sends the frontend name to the logger.
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// These are sometimes used with a corresponding SaveBackend handler, but not always.
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// For example, redirected requests don't reach a backend.
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type SaveFrontend struct {
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next http.Handler
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frontendName string
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}
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// NewSaveFrontend creates a SaveFrontend handler.
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func NewSaveFrontend(next http.Handler, frontendName string) http.Handler {
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return &SaveFrontend{next, frontendName}
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}
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func (sf *SaveFrontend) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
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serveSaveFrontend(r, sf.frontendName, func() {
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sf.next.ServeHTTP(rw, r)
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})
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}
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// SaveNegroniFrontend sends the frontend name to the logger.
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type SaveNegroniFrontend struct {
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next negroni.Handler
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frontendName string
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}
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// NewSaveNegroniFrontend creates a SaveNegroniFrontend handler.
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func NewSaveNegroniFrontend(next negroni.Handler, frontendName string) negroni.Handler {
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return &SaveNegroniFrontend{next, frontendName}
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}
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func (sf *SaveNegroniFrontend) ServeHTTP(rw http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
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serveSaveFrontend(r, sf.frontendName, func() {
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sf.next.ServeHTTP(rw, r, next)
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})
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}
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func serveSaveFrontend(r *http.Request, frontendName string, apply func()) {
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table := GetLogDataTable(r)
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table.Core[FrontendName] = strings.TrimPrefix(frontendName, "frontend-")
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apply()
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}
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