c6c2c525a6
Also fix some tests that were broken by bumping golang and dependencies in the previous commits. Note that in addition to changes made to satisfy the linter which do not impact the behavior of the code, this commit also adds ReadHeaderTimeout to all usages of http.Server to satisfy the linter (and because it seemed like a good suggestion).
66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
// Copyright 2022 the Pinniped contributors. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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// Package loginhtml defines HTML templates used by the Supervisor.
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package loginhtml
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import (
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_ "embed" // Needed to trigger //go:embed directives below.
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"html/template"
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"strings"
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"github.com/tdewolff/minify/v2/minify"
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"go.pinniped.dev/internal/oidc/provider/csp"
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)
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//nolint:gochecknoglobals // This package uses globals to ensure that all parsing and minifying happens at init.
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var (
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//go:embed login_form.css
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rawCSS string
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minifiedCSS = panicOnError(minify.CSS(rawCSS))
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//go:embed login_form.gohtml
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rawHTMLTemplate string
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// Parse the Go templated HTML and inject functions providing the minified inline CSS and JS.
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parsedHTMLTemplate = template.Must(template.New("login_form.gohtml").Funcs(template.FuncMap{
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"minifiedCSS": func() template.CSS { return template.CSS(CSS()) },
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}).Parse(rawHTMLTemplate))
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// Generate the CSP header value once since it's effectively constant.
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cspValue = strings.Join([]string{
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`default-src 'none'`,
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`style-src '` + csp.Hash(minifiedCSS) + `'`,
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`frame-ancestors 'none'`,
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}, "; ")
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)
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func panicOnError(s string, err error) string {
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if err != nil {
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panic(err)
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}
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return s
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}
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// ContentSecurityPolicy returns the Content-Security-Policy header value to make the Template() operate correctly.
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//
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// See https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy.
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func ContentSecurityPolicy() string { return cspValue }
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// Template returns the html/template.Template for rendering the login page.
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func Template() *template.Template { return parsedHTMLTemplate }
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// CSS returns the minified CSS that will be embedded into the page template.
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func CSS() string { return minifiedCSS }
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// PageData represents the inputs to the template.
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type PageData struct {
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State string
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IDPName string
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HasAlertError bool
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AlertMessage string
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MinifiedCSS template.CSS
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PostPath string
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}
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