mirror of
https://github.com/0rangebananaspy/authelia.git
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296efe2b32
* [MISC] Add missing CLI suite test * Add missing test for `authelia version` command in CLI suite. * Standardise logger calls and swap CSP switch order
68 lines
2.3 KiB
Go
68 lines
2.3 KiB
Go
package server
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"text/template"
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"github.com/valyala/fasthttp"
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"github.com/authelia/authelia/internal/logging"
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"github.com/authelia/authelia/internal/utils"
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)
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var alphaNumericRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
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// ServeTemplatedFile serves a templated version of a specified file,
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// this is utilised to pass information between the backend and frontend
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// and generate a nonce to support a restrictive CSP while using material-ui.
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//go:generate broccoli -src ../../public_html -o public_html
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func ServeTemplatedFile(publicDir, file, base, session, rememberMe, resetPassword string) fasthttp.RequestHandler {
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logger := logging.Logger()
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f, err := br.Open(publicDir + file)
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if err != nil {
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logger.Fatalf("Unable to open %s: %s", file, err)
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}
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b, err := ioutil.ReadAll(f)
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if err != nil {
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logger.Fatalf("Unable to read %s: %s", file, err)
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}
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tmpl, err := template.New("file").Parse(string(b))
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if err != nil {
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logger.Fatalf("Unable to parse %s template: %s", file, err)
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}
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return func(ctx *fasthttp.RequestCtx) {
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nonce := utils.RandomString(32, alphaNumericRunes)
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switch extension := filepath.Ext(file); extension {
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case ".html":
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ctx.SetContentType("text/html; charset=utf-8")
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default:
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ctx.SetContentType("text/plain; charset=utf-8")
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}
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switch {
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case publicDir == "/public_html/api/":
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ctx.Response.Header.Add("Content-Security-Policy", fmt.Sprintf("base-uri 'self' ; default-src 'self' ; img-src 'self' https://validator.swagger.io data: ; object-src 'none' ; script-src 'self' 'unsafe-inline' 'nonce-%s' ; style-src 'self' 'nonce-%s'", nonce, nonce))
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case os.Getenv("ENVIRONMENT") == dev:
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ctx.Response.Header.Add("Content-Security-Policy", fmt.Sprintf("default-src 'self' 'unsafe-eval'; object-src 'none'; style-src 'self' 'nonce-%s'", nonce))
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default:
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ctx.Response.Header.Add("Content-Security-Policy", fmt.Sprintf("default-src 'self' ; object-src 'none'; style-src 'self' 'nonce-%s'", nonce))
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}
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err := tmpl.Execute(ctx.Response.BodyWriter(), struct{ Base, CSPNonce, Session, RememberMe, ResetPassword string }{Base: base, CSPNonce: nonce, Session: session, RememberMe: rememberMe, ResetPassword: resetPassword})
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if err != nil {
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ctx.Error("An error occurred", 503)
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logger.Errorf("Unable to execute template: %v", err)
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return
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}
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}
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}
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