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authentik/internal/outpost/proxyv2/application/mode_common.go

63 lines
2.0 KiB
Go

package application
import (
"encoding/base64"
"fmt"
"net/http"
"strings"
)
func (a *Application) addHeaders(r *http.Request, c *Claims) {
// https://goauthentik.io/docs/providers/proxy/proxy
// Legacy headers, remove after 2022.1
r.Header.Set("X-Auth-Username", c.PreferredUsername)
r.Header.Set("X-Auth-Groups", strings.Join(c.Groups, "|"))
r.Header.Set("X-Forwarded-Email", c.Email)
r.Header.Set("X-Forwarded-Preferred-Username", c.PreferredUsername)
r.Header.Set("X-Forwarded-User", c.Sub)
// New headers, unique prefix
r.Header.Set("X-authentik-username", c.PreferredUsername)
r.Header.Set("X-authentik-groups", strings.Join(c.Groups, "|"))
r.Header.Set("X-authentik-email", c.Email)
r.Header.Set("X-authentik-name", c.Name)
r.Header.Set("X-authentik-uid", c.Sub)
userAttributes := c.Proxy.UserAttributes
// Attempt to set basic auth based on user's attributes
if *a.proxyConfig.BasicAuthEnabled {
var ok bool
var password string
if password, ok = userAttributes[*a.proxyConfig.BasicAuthPasswordAttribute].(string); !ok {
password = ""
}
// Check if we should use email or a custom attribute as username
var username string
if username, ok = userAttributes[*a.proxyConfig.BasicAuthUserAttribute].(string); !ok {
username = c.Email
}
authVal := base64.StdEncoding.EncodeToString([]byte(username + ":" + password))
a.log.WithField("username", username).Trace("setting http basic auth")
r.Header["Authorization"] = []string{fmt.Sprintf("Basic %s", authVal)}
}
// Check if user has additional headers set that we should sent
if additionalHeaders, ok := userAttributes["additionalHeaders"].(map[string]interface{}); ok {
a.log.WithField("headers", additionalHeaders).Trace("setting additional headers")
if additionalHeaders == nil {
return
}
for key, value := range additionalHeaders {
r.Header.Set(key, toString(value))
}
}
}
func copyHeadersToResponse(rw http.ResponseWriter, r *http.Request) {
for headerKey, headers := range r.Header {
for _, value := range headers {
rw.Header().Set(headerKey, value)
}
}
}