129 lines
3.8 KiB
Go

package offlinehttp
import (
"io"
"net/http"
"net/http/httputil"
"os"
"strings"
"github.com/pkg/errors"
"github.com/remeh/sizedwaitgroup"
"github.com/projectdiscovery/gologger"
"github.com/projectdiscovery/nuclei/v2/pkg/output"
"github.com/projectdiscovery/nuclei/v2/pkg/protocols"
"github.com/projectdiscovery/nuclei/v2/pkg/protocols/common/helpers/eventcreator"
"github.com/projectdiscovery/nuclei/v2/pkg/protocols/common/tostring"
templateTypes "github.com/projectdiscovery/nuclei/v2/pkg/templates/types"
)
var _ protocols.Request = &Request{}
const maxSize = 5 * 1024 * 1024
// Type returns the type of the protocol request
func (request *Request) Type() templateTypes.ProtocolType {
return templateTypes.HTTPProtocol
}
// ExecuteWithResults executes the protocol requests and returns results instead of writing them.
func (request *Request) ExecuteWithResults(input string, metadata /*TODO review unused parameter*/, previous output.InternalEvent, callback protocols.OutputEventCallback) error {
wg := sizedwaitgroup.New(request.options.Options.BulkSize)
err := request.getInputPaths(input, func(data string) {
wg.Add()
go func(data string) {
defer wg.Done()
file, err := os.Open(data)
if err != nil {
gologger.Error().Msgf("Could not open file path %s: %s\n", data, err)
return
}
defer file.Close()
stat, err := file.Stat()
if err != nil {
gologger.Error().Msgf("Could not stat file path %s: %s\n", data, err)
return
}
if stat.Size() >= int64(maxSize) {
gologger.Verbose().Msgf("Could not process path %s: exceeded max size\n", data)
return
}
buffer, err := io.ReadAll(file)
if err != nil {
gologger.Error().Msgf("Could not read file path %s: %s\n", data, err)
return
}
dataStr := tostring.UnsafeToString(buffer)
resp, err := readResponseFromString(dataStr)
if err != nil {
gologger.Error().Msgf("Could not read raw response %s: %s\n", data, err)
return
}
if request.options.Options.Debug || request.options.Options.DebugRequests {
gologger.Info().Msgf("[%s] Dumped offline-http request for %s", request.options.TemplateID, data)
gologger.Print().Msgf("%s", dataStr)
}
gologger.Verbose().Msgf("[%s] Sent OFFLINE-HTTP request to %s", request.options.TemplateID, data)
dumpedResponse, err := httputil.DumpResponse(resp, true)
if err != nil {
gologger.Error().Msgf("Could not dump raw http response %s: %s\n", data, err)
return
}
body, err := io.ReadAll(resp.Body)
if err != nil {
gologger.Error().Msgf("Could not read raw http response body %s: %s\n", data, err)
return
}
outputEvent := request.responseToDSLMap(resp, data, data, data, tostring.UnsafeToString(dumpedResponse), tostring.UnsafeToString(body), headersToString(resp.Header), 0, nil)
outputEvent["ip"] = ""
for k, v := range previous {
outputEvent[k] = v
}
event := eventcreator.CreateEvent(request, outputEvent, request.options.Options.Debug || request.options.Options.DebugResponse)
callback(event)
}(data)
})
wg.Wait()
if err != nil {
request.options.Output.Request(request.options.TemplatePath, input, "file", err)
request.options.Progress.IncrementFailedRequestsBy(1)
return errors.Wrap(err, "could not send file request")
}
request.options.Progress.IncrementRequests()
return nil
}
// headersToString converts http headers to string
func headersToString(headers http.Header) string {
builder := &strings.Builder{}
for header, values := range headers {
builder.WriteString(header)
builder.WriteString(": ")
for i, value := range values {
builder.WriteString(value)
if i != len(values)-1 {
builder.WriteRune('\n')
builder.WriteString(header)
builder.WriteString(": ")
}
}
builder.WriteRune('\n')
}
return builder.String()
}