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Since v0.26, Pomerium configures Envoy to use a custom HTML error page format string for most errors served by Envoy itself. This format string uses %COMMAND% directives to include details about the error. The HTML error page template also includes any branding options set via the corresponding Enterprise settings. We need to ensure that any % signs in the branding options strings are escaped to %% so that Envoy will not interpret them as the start of a %COMMAND% directive, which could lead to Envoy rejecting the format string as invalid.
64 lines
1.9 KiB
Go
64 lines
1.9 KiB
Go
package envoyconfig
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"google.golang.org/protobuf/proto"
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"github.com/pomerium/pomerium/config"
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configpb "github.com/pomerium/pomerium/pkg/grpc/config"
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)
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func Test_buildLocalReplyConfig(t *testing.T) {
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b := Builder{}
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opts := config.NewDefaultOptions()
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opts.BrandingOptions = &configpb.Settings{
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LogoUrl: proto.String("http://example.com/my%20branding%20logo.png"),
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ErrorMessageFirstParagraph: proto.String("It's 100% broken."),
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}
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lrc, err := b.buildLocalReplyConfig(opts)
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require.NoError(t, err)
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tmpl := string(lrc.Mappers[0].GetBodyFormatOverride().GetTextFormatSource().GetInlineBytes())
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assert.Equal(t, `<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<link id="favicon" rel="shortcut icon" href="/.pomerium/favicon.ico?v=2" />
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<link
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class="pomerium_favicon"
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rel="apple-touch-icon"
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sizes="180x180"
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href="/.pomerium/apple-touch-icon.png"
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/>
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<link
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class="pomerium_favicon"
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rel="icon"
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sizes="32x32"
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href="/.pomerium/favicon-32x32.png"
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/>
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<link
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class="pomerium_favicon"
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rel="icon"
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sizes="16x16"
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href="/.pomerium/favicon-16x16.png"
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/>
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<meta
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name="viewport"
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content="width=device-width, initial-scale=1, shrink-to-fit=no"
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/>
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<title>Error</title>
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<link rel="stylesheet" href="/.pomerium/index.css" />
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</head>
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<body>
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<noscript>You need to enable JavaScript to run this app.</noscript>
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<div id="root"></div>
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<script>
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window.POMERIUM_DATA = {"errorMessageFirstParagraph":"It's 100%% broken.","logoUrl":"http://example.com/my%%20branding%%20logo.png","page":"Error","requestId":"%STREAM_ID%","responseFlags":"%RESPONSE_FLAGS%","status":"%RESPONSE_CODE%","statusText":"%RESPONSE_CODE_DETAILS%"};
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</script>
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<script src="/.pomerium/index.js"></script>
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</body>
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</html>
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`, tmpl)
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}
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