nuclei/v2/pkg/protocols/network/operators.go

112 lines
4.0 KiB
Go

package network
import (
"time"
"github.com/projectdiscovery/nuclei/v2/pkg/model"
"github.com/projectdiscovery/nuclei/v2/pkg/operators"
"github.com/projectdiscovery/nuclei/v2/pkg/operators/extractors"
"github.com/projectdiscovery/nuclei/v2/pkg/operators/matchers"
"github.com/projectdiscovery/nuclei/v2/pkg/output"
"github.com/projectdiscovery/nuclei/v2/pkg/protocols"
"github.com/projectdiscovery/nuclei/v2/pkg/types"
)
// Match matches a generic data response again a given matcher
func (request *Request) Match(data map[string]interface{}, matcher *matchers.Matcher) (bool, []string) {
itemStr, ok := request.getMatchPart(matcher.Part, data)
if !ok && matcher.Type.MatcherType != matchers.DSLMatcher {
return false, []string{}
}
switch matcher.GetType() {
case matchers.SizeMatcher:
return matcher.Result(matcher.MatchSize(len(itemStr))), []string{}
case matchers.WordsMatcher:
return matcher.ResultWithMatchedSnippet(matcher.MatchWords(itemStr, data))
case matchers.RegexMatcher:
return matcher.ResultWithMatchedSnippet(matcher.MatchRegex(itemStr))
case matchers.BinaryMatcher:
return matcher.ResultWithMatchedSnippet(matcher.MatchBinary(itemStr))
case matchers.DSLMatcher:
return matcher.Result(matcher.MatchDSL(data)), []string{}
}
return false, []string{}
}
// Extract performs extracting operation for an extractor on model and returns true or false.
func (request *Request) Extract(data map[string]interface{}, extractor *extractors.Extractor) map[string]struct{} {
itemStr, ok := request.getMatchPart(extractor.Part, data)
if !ok && !extractors.SupportsMap(extractor) {
return nil
}
switch extractor.GetType() {
case extractors.RegexExtractor:
return extractor.ExtractRegex(itemStr)
case extractors.KValExtractor:
return extractor.ExtractKval(data)
case extractors.DSLExtractor:
return extractor.ExtractDSL(data)
}
return nil
}
func (request *Request) getMatchPart(part string, data output.InternalEvent) (string, bool) {
switch part {
case "body", "all", "":
part = "data"
}
item, ok := data[part]
if !ok {
return "", false
}
itemStr := types.ToString(item)
return itemStr, true
}
// responseToDSLMap converts a network response to a map for use in DSL matching
func (request *Request) responseToDSLMap(req, resp, raw, host, matched string) output.InternalEvent {
return output.InternalEvent{
"host": host,
"matched": matched,
"request": req,
"data": resp, // Data is the last bytes read
"raw": raw, // Raw is the full transaction data for network
"type": request.Type().String(),
"template-id": request.options.TemplateID,
"template-info": request.options.TemplateInfo,
"template-path": request.options.TemplatePath,
}
}
// MakeResultEvent creates a result event from internal wrapped event
func (request *Request) MakeResultEvent(wrapped *output.InternalWrappedEvent) []*output.ResultEvent {
return protocols.MakeDefaultResultEvent(request, wrapped)
}
func (request *Request) GetCompiledOperators() []*operators.Operators {
return []*operators.Operators{request.CompiledOperators}
}
func (request *Request) MakeResultEventItem(wrapped *output.InternalWrappedEvent) *output.ResultEvent {
data := &output.ResultEvent{
TemplateID: types.ToString(wrapped.InternalEvent["template-id"]),
TemplatePath: types.ToString(wrapped.InternalEvent["template-path"]),
Info: wrapped.InternalEvent["template-info"].(model.Info),
Type: types.ToString(wrapped.InternalEvent["type"]),
Host: types.ToString(wrapped.InternalEvent["host"]),
Matched: types.ToString(wrapped.InternalEvent["matched"]),
ExtractedResults: wrapped.OperatorsResult.OutputExtracts,
Metadata: wrapped.OperatorsResult.PayloadValues,
Timestamp: time.Now(),
MatcherStatus: true,
IP: types.ToString(wrapped.InternalEvent["ip"]),
Request: types.ToString(wrapped.InternalEvent["request"]),
Response: types.ToString(wrapped.InternalEvent["data"]),
}
return data
}