caddyhttp: Add time.now placeholder and update cel-go (closes #2594)

This commit is contained in:
Matthew Holt 2020-05-21 18:19:01 -06:00
parent bb67e19d7b
commit 0cbf467b3f
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GPG Key ID: 2A349DD577D586A5
4 changed files with 11 additions and 3 deletions

3
go.mod
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@ -11,7 +11,8 @@ require (
github.com/go-acme/lego/v3 v3.7.0
github.com/go-chi/chi v4.1.1+incompatible
github.com/gogo/protobuf v1.3.1
github.com/google/cel-go v0.5.0
github.com/golang/protobuf v1.3.4
github.com/google/cel-go v0.5.1
github.com/jsternberg/zap-logfmt v1.2.0
github.com/klauspost/compress v1.10.5
github.com/klauspost/cpuid v1.2.4

4
go.sum
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@ -286,8 +286,8 @@ github.com/golangci/revgrep v0.0.0-20180812185044-276a5c0a1039/go.mod h1:qOQCunE
github.com/golangci/unconvert v0.0.0-20180507085042-28b1c447d1f4/go.mod h1:Izgrg8RkN3rCIMLGE9CyYmU9pY2Jer6DgANEnZ/L/cQ=
github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/cel-go v0.5.0 h1:mKsiw/KmT+VlDZnYFd2SE5ULrbe8RPlb0rHBem2Bv7I=
github.com/google/cel-go v0.5.0/go.mod h1:9SvtVVTtZV4DTB1/RuAD1D2HhuqEIdmZEE/r/lrFyKE=
github.com/google/cel-go v0.5.1 h1:oDsbtAwlwFPEcC8dMoRWNuVzWJUDeDZeHjoet9rXjTs=
github.com/google/cel-go v0.5.1/go.mod h1:9SvtVVTtZV4DTB1/RuAD1D2HhuqEIdmZEE/r/lrFyKE=
github.com/google/cel-spec v0.4.0/go.mod h1:2pBM5cU4UKjbPDXBgwWkiwBsVgnxknuEJ7C5TDWwORQ=
github.com/google/certificate-transparency-go v1.1.0/go.mod h1:i+Q7XY+ArBveOUT36jiHGfuSK1fHICIg6sUkRxPAbCs=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=

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@ -21,10 +21,12 @@ import (
"reflect"
"regexp"
"strings"
"time"
"github.com/caddyserver/caddy/v2"
"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
"github.com/gogo/protobuf/proto"
"github.com/golang/protobuf/ptypes/timestamp"
"github.com/google/cel-go/cel"
"github.com/google/cel-go/checker/decls"
"github.com/google/cel-go/common/types"
@ -204,6 +206,9 @@ func (celTypeAdapter) NativeToValue(value interface{}) ref.Val {
switch v := value.(type) {
case celHTTPRequest:
return v
case time.Time:
// TODO: eliminate direct protobuf dependency, sigh -- just wrap stdlib time.Time instead...
return types.Timestamp{Timestamp: &timestamp.Timestamp{Seconds: v.Unix(), Nanos: int32(v.Nanosecond())}}
case error:
types.NewErr(v.Error())
}

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@ -276,6 +276,8 @@ func globalDefaultReplacements(key string) (interface{}, bool) {
return runtime.GOOS, true
case "system.arch":
return runtime.GOARCH, true
case "time.now":
return nowFunc(), true
case "time.now.common_log":
return nowFunc().Format("02/Jan/2006:15:04:05 -0700"), true
case "time.now.year":