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refactor(server): factorize and improve csp (#3509)

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James Elliott 2022-07-09 12:00:21 +10:00 committed by GitHub
parent 3b7c858477
commit 394dafde01
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2 changed files with 4 additions and 5 deletions
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5
internal/server/const.go
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@ -59,7 +59,6 @@ X_AUTHELIA_HEALTHCHECK_PATH=%s
` `
const ( const (
cspDefaultTemplate = "default-src 'self'; object-src 'none'; style-src 'self' 'nonce-%s'" cspDefaultTemplate = "default-src 'self'%s; frame-src 'none'; object-src 'none'; style-src 'self' 'nonce-%s'; frame-ancestors 'none'; base-uri 'self'"
cspDefaultDevTemplate = "default-src 'self' 'unsafe-eval'; object-src 'none'; style-src 'self' 'nonce-%s'" cspNoncePlaceholder = "${NONCE}"
cspNoncePlaceholder = "${NONCE}"
) )

4
internal/server/template.go
View File

@ -76,9 +76,9 @@ func ServeTemplatedFile(publicDir, file, assetPath, duoSelfEnrollment, rememberM
case ctx.Configuration.Server.Headers.CSPTemplate != "": case ctx.Configuration.Server.Headers.CSPTemplate != "":
ctx.Response.Header.Add("Content-Security-Policy", strings.ReplaceAll(ctx.Configuration.Server.Headers.CSPTemplate, cspNoncePlaceholder, nonce)) ctx.Response.Header.Add("Content-Security-Policy", strings.ReplaceAll(ctx.Configuration.Server.Headers.CSPTemplate, cspNoncePlaceholder, nonce))
case os.Getenv("ENVIRONMENT") == dev: case os.Getenv("ENVIRONMENT") == dev:
ctx.Response.Header.Add("Content-Security-Policy", fmt.Sprintf(cspDefaultDevTemplate, nonce)) ctx.Response.Header.Add("Content-Security-Policy", fmt.Sprintf(cspDefaultTemplate, " 'unsafe-eval'", nonce))
default: default:
ctx.Response.Header.Add("Content-Security-Policy", fmt.Sprintf(cspDefaultTemplate, nonce)) ctx.Response.Header.Add("Content-Security-Policy", fmt.Sprintf(cspDefaultTemplate, "", nonce))
} }
err := tmpl.Execute(ctx.Response.BodyWriter(), struct{ Base, BaseURL, CSPNonce, DuoSelfEnrollment, LogoOverride, RememberMe, ResetPassword, ResetPasswordCustomURL, Session, Theme string }{Base: base, BaseURL: baseURL, CSPNonce: nonce, DuoSelfEnrollment: duoSelfEnrollment, LogoOverride: logoOverride, RememberMe: rememberMe, ResetPassword: resetPassword, ResetPasswordCustomURL: resetPasswordCustomURL, Session: session, Theme: theme}) err := tmpl.Execute(ctx.Response.BodyWriter(), struct{ Base, BaseURL, CSPNonce, DuoSelfEnrollment, LogoOverride, RememberMe, ResetPassword, ResetPasswordCustomURL, Session, Theme string }{Base: base, BaseURL: baseURL, CSPNonce: nonce, DuoSelfEnrollment: duoSelfEnrollment, LogoOverride: logoOverride, RememberMe: rememberMe, ResetPassword: resetPassword, ResetPasswordCustomURL: resetPasswordCustomURL, Session: session, Theme: theme})