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config: allow wasm execution under UI CSP

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The wasm-unsafe-eval option is necessary for the asciinema
player on the Admin UI
pull/3251/head
Johan Brandhorst-Satzkorn 3 years ago committed by Timothy Messier
parent b4137a14c3
commit 59f78ac1f8
No known key found for this signature in database
GPG Key ID: EFD2F184F7600572
6 changed files with 23 additions and 8 deletions
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4
go.mod
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@ -34,10 +34,10 @@ require (
github.com/hashicorp/go-retryablehttp v0.7.2
github.com/hashicorp/go-rootcerts v1.0.2
github.com/hashicorp/go-secure-stdlib/base62 v0.1.2
github.com/hashicorp/go-secure-stdlib/configutil/v2 v2.0.9
github.com/hashicorp/go-secure-stdlib/configutil/v2 v2.0.10-0.20230529201716-91e78a9970b4
github.com/hashicorp/go-secure-stdlib/gatedwriter v0.1.1
github.com/hashicorp/go-secure-stdlib/kv-builder v0.1.2
github.com/hashicorp/go-secure-stdlib/listenerutil v0.1.6
github.com/hashicorp/go-secure-stdlib/listenerutil v0.1.7-0.20230529201716-91e78a9970b4
github.com/hashicorp/go-secure-stdlib/mlock v0.1.3
github.com/hashicorp/go-secure-stdlib/parseutil v0.1.7
github.com/hashicorp/go-secure-stdlib/password v0.1.2

4
go.sum
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@ -715,12 +715,16 @@ github.com/hashicorp/go-secure-stdlib/base62 v0.1.2 h1:ET4pqyjiGmY09R5y+rSd70J2w
github.com/hashicorp/go-secure-stdlib/base62 v0.1.2/go.mod h1:EdWO6czbmthiwZ3/PUsDV+UD1D5IRU4ActiaWGwt0Yw=
github.com/hashicorp/go-secure-stdlib/configutil/v2 v2.0.9 h1:YZ01/aiARPneDUryzjiPGvr3pmjCSC+1WBZKI1P7I7k=
github.com/hashicorp/go-secure-stdlib/configutil/v2 v2.0.9/go.mod h1:G8x+Vlrimz5ut7wC6tI/Lr/kcryPN0BskeWmI3gpr1k=
github.com/hashicorp/go-secure-stdlib/configutil/v2 v2.0.10-0.20230529201716-91e78a9970b4 h1:RCxroYl2qNXhvfmeQ4uPqyc1UCSLvmpKAPyyeF9H/P0=
github.com/hashicorp/go-secure-stdlib/configutil/v2 v2.0.10-0.20230529201716-91e78a9970b4/go.mod h1:HMhbgSmrkmnKA2fh50EJUmOjVboh9ug+1evG1ek9MiY=
github.com/hashicorp/go-secure-stdlib/gatedwriter v0.1.1 h1:9um9R8i0+HbRHS9d64kdvWR0/LJvo12sIonvR9zr1+U=
github.com/hashicorp/go-secure-stdlib/gatedwriter v0.1.1/go.mod h1:6RoRTSMDK2H/rKh3P/JIsk1tK8aatKTt3JyvIopi3GQ=
github.com/hashicorp/go-secure-stdlib/kv-builder v0.1.2 h1:NS6BHieb/pDfx3M9jDdaPpGyyVp+aD4A3DjX3dgRmzs=
github.com/hashicorp/go-secure-stdlib/kv-builder v0.1.2/go.mod h1:rf5JPE13wi+NwjgsmGkbg4b2CgHq8v7Htn/F0nDe/hg=
github.com/hashicorp/go-secure-stdlib/listenerutil v0.1.6 h1:rOmnqOSUBn5opme1Kh9OXO8qWd0KztO+f02vvCwCc/w=
github.com/hashicorp/go-secure-stdlib/listenerutil v0.1.6/go.mod h1:Gbwv+gqdNaKMKQq+1c1Yl4OtX1khZ9qe3eYMhJqtGtI=
github.com/hashicorp/go-secure-stdlib/listenerutil v0.1.7-0.20230529201716-91e78a9970b4 h1:GZkfxX/imqOzQmeKmEAfbzGXN4Tt27WRjtEraopcHIQ=
github.com/hashicorp/go-secure-stdlib/listenerutil v0.1.7-0.20230529201716-91e78a9970b4/go.mod h1:Gbwv+gqdNaKMKQq+1c1Yl4OtX1khZ9qe3eYMhJqtGtI=
github.com/hashicorp/go-secure-stdlib/mlock v0.1.1/go.mod h1:zq93CJChV6L9QTfGKtfBxKqD7BqqXx5O04A/ns2p5+I=
github.com/hashicorp/go-secure-stdlib/mlock v0.1.3 h1:kH3Rhiht36xhAfhuHyWJDgdXXEx9IIZhDGRk24CDhzg=
github.com/hashicorp/go-secure-stdlib/mlock v0.1.3/go.mod h1:ov1Q0oEDjC3+A4BwsG2YdKltrmEw8sf9Pau4V9JQ4Vo=

11
internal/cmd/config/config.go
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@ -123,6 +123,11 @@ kms "aead" {
key_id = "worker-auth-storage"
}
`
// We use a custom Content-Security-Policy because we need to add wasm-unsafe-eval
// as a script-src to support asciinema playback on the Admin UI. Users can still
// override this value via the configuration.
defaultCsp = "default-src 'none'; script-src 'self' 'wasm-unsafe-eval'; frame-src 'self'; font-src 'self'; connect-src 'self'; img-src 'self' data:; style-src 'self'; media-src 'self'; manifest-src 'self'; style-src-attr 'self'; frame-ancestors 'self'"
)
// Config is the configuration for the boundary controller
@ -856,7 +861,11 @@ func Parse(d string) (*Config, error) {
// Now that we can have multiple KMSes for downstream workers, allow an
// unlimited number of KMS blocks as we don't know how many might be defined
sharedConfig, err := configutil.ParseConfig(d, configutil.WithMaxKmsBlocks(-1))
sharedConfig, err := configutil.ParseConfig(
d,
configutil.WithMaxKmsBlocks(-1),
configutil.WithListenerOptions(listenerutil.WithDefaultUiContentSecurityPolicyHeader(defaultCsp)),
)
if err != nil {
return nil, err
}

2
internal/cmd/config/config_load_test.go
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@ -28,7 +28,7 @@ func TestLoad(t *testing.T) {
}
uiHeaders := map[int]http.Header{
0: {
"Content-Security-Policy": {"default-src 'none'; script-src 'self'; frame-src 'self'; font-src 'self'; connect-src 'self'; img-src 'self' data:; style-src 'self'; media-src 'self'; manifest-src 'self'; style-src-attr 'self'; frame-ancestors 'self'"},
"Content-Security-Policy": {"default-src 'none'; script-src 'self' 'wasm-unsafe-eval'; frame-src 'self'; font-src 'self'; connect-src 'self'; img-src 'self' data:; style-src 'self'; media-src 'self'; manifest-src 'self'; style-src-attr 'self'; frame-ancestors 'self'"},
"X-Content-Type-Options": {"nosniff"},
"Strict-Transport-Security": {"max-age=31536000; includeSubDomains"},
"Cache-Control": {"no-store"},

6
internal/cmd/config/config_test.go
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@ -37,7 +37,7 @@ func TestDevController(t *testing.T) {
}
uiHeaders := map[int]http.Header{
0: {
"Content-Security-Policy": {"default-src 'none'; script-src 'self'; frame-src 'self'; font-src 'self'; connect-src 'self'; img-src 'self' data:; style-src 'self'; media-src 'self'; manifest-src 'self'; style-src-attr 'self'; frame-ancestors 'self'"},
"Content-Security-Policy": {defaultCsp},
"X-Content-Type-Options": {"nosniff"},
"Strict-Transport-Security": {"max-age=31536000; includeSubDomains"},
"Cache-Control": {"no-store"},
@ -226,7 +226,7 @@ func TestDevWorker(t *testing.T) {
},
CustomUiResponseHeaders: map[int]http.Header{
0: {
"Content-Security-Policy": {"default-src 'none'; script-src 'self'; frame-src 'self'; font-src 'self'; connect-src 'self'; img-src 'self' data:; style-src 'self'; media-src 'self'; manifest-src 'self'; style-src-attr 'self'; frame-ancestors 'self'"},
"Content-Security-Policy": {defaultCsp},
"X-Content-Type-Options": {"nosniff"},
"Strict-Transport-Security": {"max-age=31536000; includeSubDomains"},
"Cache-Control": {"no-store"},
@ -396,7 +396,7 @@ func TestDevCombined(t *testing.T) {
}
uiHeaders := map[int]http.Header{
0: {
"Content-Security-Policy": {"default-src 'none'; script-src 'self'; frame-src 'self'; font-src 'self'; connect-src 'self'; img-src 'self' data:; style-src 'self'; media-src 'self'; manifest-src 'self'; style-src-attr 'self'; frame-ancestors 'self'"},
"Content-Security-Policy": {defaultCsp},
"X-Content-Type-Options": {"nosniff"},
"Strict-Transport-Security": {"max-age=31536000; includeSubDomains"},
"Cache-Control": {"no-store"},

4
website/content/docs/configuration/listener/tcp.mdx
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@ -263,7 +263,7 @@ listener "tcp" {
custom_ui_response_headers {
"default" = {
"Strict-Transport-Security" = ["max-age=31536000; includeSubDomains"],
"Content-Security-Policy" = ["default-src 'none'; script-src 'self'; frame-src 'self'; font-src 'self'; connect-src 'self'; img-src 'self' data:; style-src 'self'; media-src 'self'; manifest-src 'self'; style-src-attr 'self'; frame-ancestors 'self'"],
"Content-Security-Policy" = ["default-src 'none'; script-src 'self' 'wasm-unsafe-eval'; frame-src 'self'; font-src 'self'; connect-src 'self'; img-src 'self' data:; style-src 'self'; media-src 'self'; manifest-src 'self'; style-src-attr 'self'; frame-ancestors 'self'"],
"X-Custom-Header" = ["Custom Header Default Value"],
},
"2xx" = {
@ -277,6 +277,8 @@ listener "tcp" {
}
```
Note that Boundary requires `script-src 'wasm-unsafe-eval'` for playback of session recordings.
In situations where a header is defined under several status code subsections,
Boundary returns the header matching the most specific response code. For example,
with the config example below, a `307` response would return `307 Custom header value`,

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