* pkg/parser: clean up imports * remove duplicate import * simplify boolean expression * don't check length before range * if..else if.. -> switch/case * errors.Wrap -> fmt.Errorf * typo, lint * redundant break
57 lines
1.9 KiB
Go
57 lines
1.9 KiB
Go
package parser
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import (
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"time"
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"github.com/antonmedv/expr/vm"
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"github.com/crowdsecurity/grokky"
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)
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// Used mostly for statics
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type ExtraField struct {
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//if the target is indicated by name Struct.Field etc,
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TargetByName string `yaml:"target,omitempty"`
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//if the target field is in Event map
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Parsed string `yaml:"parsed,omitempty"`
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//if the target field is in Meta map
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Meta string `yaml:"meta,omitempty"`
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//if the target field is in Enriched map
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Enriched string `yaml:"enriched,omitempty"`
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//the source is a static value
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Value string `yaml:"value,omitempty"`
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//or the result of an Expression
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ExpValue string `yaml:"expression,omitempty"`
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RunTimeValue *vm.Program `json:"-"` //the actual compiled filter
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//or an enrichment method
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Method string `yaml:"method,omitempty"`
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}
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type GrokPattern struct {
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//the field to which regexp is going to apply
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TargetField string `yaml:"apply_on,omitempty"`
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//the grok/regexp by name (loaded from patterns/*)
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RegexpName string `yaml:"name,omitempty"`
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//a proper grok pattern
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RegexpValue string `yaml:"pattern,omitempty"`
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//the runtime form of regexpname / regexpvalue
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RunTimeRegexp grokky.Pattern `json:"-"` //the actual regexp
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//the output of the expression is going to be the source for regexp
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ExpValue string `yaml:"expression,omitempty"`
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RunTimeValue *vm.Program `json:"-"` //the actual compiled filter
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//a grok can contain statics that apply if pattern is successful
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Statics []ExtraField `yaml:"statics,omitempty"`
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}
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type DataCapture struct {
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Name string `yaml:"name,omitempty"`
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Key string `yaml:"key,omitempty"`
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KeyExpression *vm.Program `yaml:"-"`
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Value string `yaml:"value,omitempty"`
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ValueExpression *vm.Program `yaml:"-"`
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TTL string `yaml:"ttl,omitempty"`
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TTLVal time.Duration `yaml:"-"`
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MaxMapSize int `yaml:"size,omitempty"`
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Strategy string `yaml:"strategy,omitempty"`
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}
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