61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
package main
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import (
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"net/http"
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"go.uber.org/zap"
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)
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// HTTPError is an error that can be rendered into a HTML page to follow HTTP
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// status semantics
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type HTTPError struct {
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Status int
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Error error
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}
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func (app Datetime) error(httpErr HTTPError, w http.ResponseWriter, req *http.Request) {
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tmpl := app.loadTemplate("error", w, req)
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if tmpl == nil {
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return
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}
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w.WriteHeader(httpErr.Status)
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if req.Method == http.MethodHead {
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return
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}
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err := tmpl.Execute(w, httpErr)
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if err != nil {
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l.Error("template failed", zap.Error(err))
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app.templateError(HTTPError{http.StatusInternalServerError, err}, w, req)
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return
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}
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}
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func (app Datetime) simpleError(httpErr HTTPError, w http.ResponseWriter, req *http.Request) {
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w.Header().Set("Content-Type", "text/plain")
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w.WriteHeader(httpErr.Status)
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if req.Method == http.MethodHead {
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return
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}
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if httpErr.Error != nil {
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w.Write([]byte(http.StatusText(httpErr.Status) + ": " + httpErr.Error.Error()))
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} else {
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w.Write([]byte(http.StatusText(httpErr.Status)))
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}
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}
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func (app Datetime) templateError(httpErr HTTPError, w http.ResponseWriter, req *http.Request) {
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// Sadly, we probably already sent out the header
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//w.Header().Set("Content-Type", "text/plain")
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//w.WriteHeader(httpErr.Status)
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if httpErr.Error != nil {
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w.Write([]byte("\n" + http.StatusText(httpErr.Status) + ": " + httpErr.Error.Error()))
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} else {
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w.Write([]byte("\n" + http.StatusText(httpErr.Status)))
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}
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}
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