add support for appsec in crowdsec (#123)

*  add support for appsec in crowdsec

* 🐛 lint

* 🐛 fix lint

* 🐛 fix lint

* 🐛 fix lint

* fix: comments

* 🐛 lint and doc

* 🐛 fix comment and lint

* 📝 Start documentation for appsec with exemple

* 📝 Fix readme typos and update example

* 🚨 Fix Lint

---------

Co-authored-by: Mathieu Hanotaux <mathieu@hanotaux.fr>
This commit is contained in:
maxlerebourg
2024-01-24 14:11:34 +01:00
committed by GitHub
co-authored by Mathieu Hanotaux
parent fc3da2fc2d
commit b68c692ed1
10 changed files with 312 additions and 55 deletions
+21 -7
View File
@@ -32,6 +32,9 @@ type Config struct {
Enabled bool `json:"enabled,omitempty"`
LogLevel string `json:"logLevel,omitempty"`
CrowdsecMode string `json:"crowdsecMode,omitempty"`
CrowdsecAppsecEnabled bool `json:"crowdsecAppsecEnabled,omitempty"`
CrowdsecAppsecHost string `json:"crowdsecAppsecHost,omitempty"`
CrowdsecAppsecFailureBlock bool `json:"crowdsecAppsecFailureBlock,omitempty"`
CrowdsecLapiScheme string `json:"crowdsecLapiScheme,omitempty"`
CrowdsecLapiHost string `json:"crowdsecLapiHost,omitempty"`
CrowdsecLapiKey string `json:"crowdsecLapiKey,omitempty"`
@@ -51,7 +54,7 @@ type Config struct {
UpdateIntervalSeconds int64 `json:"updateIntervalSeconds,omitempty"`
DefaultDecisionSeconds int64 `json:"defaultDecisionSeconds,omitempty"`
HTTPTimeoutSeconds int64 `json:"httpTimeoutSeconds,omitempty"`
ForwardedHeadersCustomName string `json:"forwardedheaderscustomheader,omitempty"`
ForwardedHeadersCustomName string `json:"forwardedHeadersCustomHeader,omitempty"`
ForwardedHeadersTrustedIPs []string `json:"forwardedHeadersTrustedIps,omitempty"`
ClientTrustedIPs []string `json:"clientTrustedIps,omitempty"`
RedisCacheEnabled bool `json:"redisCacheEnabled,omitempty"`
@@ -76,6 +79,9 @@ func New() *Config {
Enabled: false,
LogLevel: "INFO",
CrowdsecMode: LiveMode,
CrowdsecAppsecEnabled: false,
CrowdsecAppsecHost: "crowdsec:7422",
CrowdsecAppsecFailureBlock: true,
CrowdsecLapiScheme: HTTP,
CrowdsecLapiHost: "crowdsec:8080",
CrowdsecLapiKey: "",
@@ -149,13 +155,12 @@ func ValidateParams(config *Config) error {
return nil
}
// This only check that the format of the URL scheme:// is correct and do not make requests
testURL := url.URL{
Scheme: config.CrowdsecLapiScheme,
Host: config.CrowdsecLapiHost,
if err := validateURL("CrowdsecLapi", config.CrowdsecLapiScheme, config.CrowdsecLapiHost); err != nil {
return err
}
if _, err := http.NewRequest(http.MethodGet, testURL.String(), nil); err != nil {
return fmt.Errorf("CrowdsecLapiScheme://CrowdsecLapiHost: '%v://%v' must be an URL", config.CrowdsecLapiScheme, config.CrowdsecLapiHost)
if err := validateURL("CrowdsecAppsec", config.CrowdsecLapiScheme, config.CrowdsecAppsecHost); err != nil {
return err
}
lapiKey, err := GetVariable(config, "CrowdsecLapiKey")
@@ -190,6 +195,15 @@ func ValidateParams(config *Config) error {
return nil
}
func validateURL(variable, scheme, host string) error {
// This only check that the format of the URL scheme://host is correct and do not make requests
testURL := url.URL{Scheme: scheme, Host: host}
if _, err := http.NewRequest(http.MethodGet, testURL.String(), nil); err != nil {
return fmt.Errorf("CrowdsecLapiScheme://%sHost: '%v://%v' must be an URL", variable, scheme, host)
}
return nil
}
// validHeaderFieldByte reports whether b is a valid byte in a header
// field name. RFC 7230 says:
// valid ! # $ % & ' * + - . ^ _ ` | ~ DIGIT ALPHA