exprhelpers

package
v1.5.39 Latest Latest
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 Go to latest Published: Oct 10, 2023 License: MIT Imports: 34 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var CTIApiEnabled = true

this is set for non-recoverable errors, such as 403 when querying API or empty API key

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var CTIApiKey = ""
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var CTIBackOffDuration time.Duration = 5 * time.Minute
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var CTIBackOffUntil time.Time

when hitting quotas or auth errors, we temporarily disable the API

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var CTICache gcache.Cache

Cache for responses

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var CTIUrl = "https://cti.api.crowdsec.net"
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var CTIUrlSuffix = "/v2/smoke/"
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var CacheExpiration time.Duration
View Source 
var RegexpCacheMetrics = prometheus.NewGaugeVec(
	prometheus.GaugeOpts{
		Name: "cs_regexp_cache_size",
		Help: "Entries per regexp cache.",
	},
	[]string{"name"},
)

prometheus

Functions

func Atof 

func Atof(params ...any) (any, error)

func Atof(x string) float64 {

func B64Decode 

func B64Decode(params ...any) (any, error)

func CrowdsecCTI 

func CrowdsecCTI(params ...any) (any, error)

func CrowdsecCTI(ip string) (*cticlient.SmokeItem, error) {

func CrowdsecCTIInitCache 

func CrowdsecCTIInitCache(size int, ttl time.Duration)

func Distance 

func Distance(params ...any) (any, error)

func Distance(lat1 string, long1 string, lat2 string, long2 string) (float64, error) {

func Fields 

func Fields(params ...any) (any, error)

func File 

func File(params ...any) (any, error)

func File(filename string) []string {

func FileInit 

func FileInit(fileFolder string, filename string, fileType string) error

func Get 

func Get(params ...any) (any, error)

func Get(arr []string, index int) string {

func GetDecisionsCount 

func GetDecisionsCount(params ...any) (any, error)

func GetDecisionsCount(value string) int {

func GetDecisionsSinceCount 

func GetDecisionsSinceCount(params ...any) (any, error)

func GetDecisionsSinceCount(value string, since string) int {

func GetExprOptions 

func GetExprOptions(ctx map[string]interface{}) []expr.Option

func GetFromStash 

func GetFromStash(params ...any) (any, error)

func GetFromStash(cacheName string, key string) (string, error) {

func Hostname 

func Hostname(params ...any) (any, error)

func Index 

func Index(params ...any) (any, error)

func IndexAny 

func IndexAny(params ...any) (any, error)

func Init 

func Init(databaseClient *database.Client) error

func InitCrowdsecCTI 

func InitCrowdsecCTI(Key *string, TTL *time.Duration, Size *int, LogLevel *log.Level) error

func IpInRange 

func IpInRange(params ...any) (any, error)

func IpInRange(ip string, ipRange string) bool {

func IpToRange 

func IpToRange(params ...any) (any, error)

func IpToRange(ip string, cidr string) string {

func IsIP 

func IsIP(params ...any) (any, error)

func IsIP(ip string) bool {

func IsIPV4 

func IsIPV4(params ...any) (any, error)

func IsIPV4(ip string) bool {

func IsIPV6 

func IsIPV6(params ...any) (any, error)

func IsIPV6(ip string) bool {

func Join 

func Join(params ...any) (any, error)

func JsonExtract 

func JsonExtract(params ...any) (any, error)

func JsonExtract(jsblob string, target string) string {

func JsonExtractLib 

func JsonExtractLib(params ...any) (any, error)

func JsonExtractLib(jsblob string, target ...string) string {

func JsonExtractObject 

func JsonExtractObject(params ...any) (any, error)

func JsonExtractObject(jsblob string, target string) map[string]interface{} {

func JsonExtractSlice 

func JsonExtractSlice(params ...any) (any, error)

func JsonExtractSlice(jsblob string, target string) []interface{} {

func JsonExtractUnescape 

func JsonExtractUnescape(params ...any) (any, error)

func JsonExtractUnescape(jsblob string, target ...string) string {

func KeyExists 

func KeyExists(params ...any) (any, error)

func KeyExists(key string, dict map[string]interface{}) bool {

func LogInfo 

func LogInfo(params ...any) (any, error)

func LookupHost 

func LookupHost(params ...any) (any, error)

func LookupHost(value string) []string {

func Lower 

func Lower(params ...any) (any, error)

func Lower(s string) string {

func Match 

func Match(params ...any) (any, error)

func Match(pattern, name string) bool {

func ParseKV 

func ParseKV(params ...any) (any, error)

func ParseUnix 

func ParseUnix(params ...any) (any, error)

func ParseUnix(value string) string {

func ParseUnixTime 

func ParseUnixTime(params ...any) (any, error)

func ParseUnixTime(value string) (time.Time, error) {

func ParseUri 

func ParseUri(params ...any) (any, error)

func ParseUri(uri string) map[string][]string {

func PathEscape 

func PathEscape(params ...any) (any, error)

func PathEscape(s string) string {

func PathUnescape 

func PathUnescape(params ...any) (any, error)

func PathUnescape(s string) string {

func QueryEscape 

func QueryEscape(params ...any) (any, error)

func QueryEscape(s string) string {

func QueryUnescape 

func QueryUnescape(params ...any) (any, error)

func QueryUnescape(s string) string {

func RegexpCacheInit 

func RegexpCacheInit(filename string, CacheCfg types.DataSource) error

func RegexpInFile 

func RegexpInFile(params ...any) (any, error)

func RegexpInFile(data string, filename string) bool {

func Replace 

func Replace(params ...any) (any, error)

func ReplaceAll 

func ReplaceAll(params ...any) (any, error)

func SetInStash 

func SetInStash(params ...any) (any, error)

func SetInStash(cacheName string, key string, value string, expiration *time.Duration) any {

func ShutdownCrowdsecCTI 

func ShutdownCrowdsecCTI()

func Split 

func Split(params ...any) (any, error)

func SplitAfter 

func SplitAfter(params ...any) (any, error)

func SplitAfterN 

func SplitAfterN(params ...any) (any, error)

func SplitN 

func SplitN(params ...any) (any, error)

func Sprintf 

func Sprintf(params ...any) (any, error)

func TimeNow 

func TimeNow(params ...any) (any, error)

func TimeNow() string {

func ToJson 

func ToJson(params ...any) (any, error)

func ToJson(obj interface{}) string {

func ToString 

func ToString(params ...any) (any, error)

func ToString(value interface{}) string {

func Trim 

func Trim(params ...any) (any, error)

func TrimLeft 

func TrimLeft(params ...any) (any, error)

func TrimPrefix 

func TrimPrefix(params ...any) (any, error)

func TrimRight 

func TrimRight(params ...any) (any, error)

func TrimSpace 

func TrimSpace(params ...any) (any, error)

func TrimSuffix 

func TrimSuffix(params ...any) (any, error)

func UnmarshalJSON 

func UnmarshalJSON(params ...any) (any, error)

Func UnmarshalJSON(jsonBlob []byte, target interface{}) error {

func UpdateRegexpCacheMetrics 

func UpdateRegexpCacheMetrics()

UpdateCacheMetrics is called directly by the prom handler

func Upper 

func Upper(params ...any) (any, error)

func Upper(s string) string {

func XMLGetAttributeValue 

func XMLGetAttributeValue(params ...any) (any, error)

func XMLGetAttributeValue(xmlString string, path string, attributeName string) string {

func XMLGetNodeValue 

func XMLGetNodeValue(params ...any) (any, error)

func XMLGetNodeValue(xmlString string, path string) string {

Types

type ExprDebugger 

type ExprDebugger struct {
	// contains filtered or unexported fields
}

ExprDebugger contains the list of expression to be run when debugging an expression filter

func NewDebugger 

func NewDebugger(filter string, exprEnv ...expr.Option) (*ExprDebugger, error)

NewDebugger is the exported function that build the debuggers expressions

func (*ExprDebugger) Run 

func (e *ExprDebugger) Run(logger *log.Entry, filterResult bool, exprEnv map[string]interface{})

Run display the content of each variable of a filter by evaluating them with expr, again the expr environment given in parameter

Source Files

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