/usr/share/gocode/src/github.com/revel/revel/panic.go is in golang-github-revel-revel-dev 0.12.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | package revel
import (
"runtime/debug"
)
// PanicFilter wraps the action invocation in a protective defer blanket that
// converts panics into 500 error pages.
func PanicFilter(c *Controller, fc []Filter) {
defer func() {
if err := recover(); err != nil {
handleInvocationPanic(c, err)
}
}()
fc[0](c, fc[1:])
}
// This function handles a panic in an action invocation.
// It cleans up the stack trace, logs it, and displays an error page.
func handleInvocationPanic(c *Controller, err interface{}) {
error := NewErrorFromPanic(err)
if error == nil && DevMode {
// Only show the sensitive information in the debug stack trace in development mode, not production
ERROR.Print(err, "\n", string(debug.Stack()))
c.Response.Out.WriteHeader(500)
c.Response.Out.Write(debug.Stack())
return
}
ERROR.Print(err, "\n", error.Stack)
c.Result = c.RenderError(error)
}
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