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caddytls: Run replacer on ask URL, for env vars (#4154)

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Fixes #3922
This commit is contained in:
Francis Lavoie 2021-05-09 00:37:27 -04:00 committed by GitHub
parent 3cf443f0fe
commit 61642b766b
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 0 deletions
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6
modules/caddytls/tls.go
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@ -87,6 +87,7 @@ func (TLS) CaddyModule() caddy.ModuleInfo {
func (t *TLS) Provision(ctx caddy.Context) error {
t.ctx = ctx
t.logger = ctx.Logger(t)
repl := caddy.NewReplacer()
// set up a new certificate cache; this (re)loads all certificates
cacheOpts := certmagic.CacheOptions{
@ -176,6 +177,11 @@ func (t *TLS) Provision(ctx caddy.Context) error {
onDemandRateLimiter.SetWindow(0)
}
// run replacer on ask URL (for environment variables)
if t.Automation != nil && t.Automation.OnDemand != nil && t.Automation.OnDemand.Ask != "" {
t.Automation.OnDemand.Ask = repl.ReplaceAll(t.Automation.OnDemand.Ask, "")
}
// load manual/static (unmanaged) certificates - we do this in
// provision so that other apps (such as http) can know which
// certificates have been manually loaded, and also so that