Skip to content

Commit

Permalink
Merge branch 'auth-file-enhancements' of https://github.com/projectdi…
Browse files Browse the repository at this point in the history
…scovery/nuclei into nuclei-dast-server
  • Loading branch information
Ice3man543 committed Nov 22, 2024
2 parents 78ad4e3 + efd8ab9 commit ce023d0
Show file tree
Hide file tree
Showing 5 changed files with 122 additions and 63 deletions.
9 changes: 7 additions & 2 deletions internal/runner/lazy.go
Original file line number Diff line number Diff line change
Expand Up @@ -114,8 +114,13 @@ func GetLazyAuthFetchCallback(opts *AuthLazyFetchOptions) authx.LazyFetchSecret
}
// dynamic values
for k, v := range e.OperatorsResult.DynamicValues {
if len(v) > 0 {
data[k] = v[0]
// Iterate through all the values and choose the
// largest value as the extracted value
for _, value := range v {
oldVal, ok := data[k]
if !ok || len(value) > len(oldVal.(string)) {
data[k] = value
}
}
}
// named extractors
Expand Down
3 changes: 3 additions & 0 deletions pkg/authprovider/authx/cookies_auth.go
Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,9 @@ func (s *CookiesAuthStrategy) Apply(req *http.Request) {

// ApplyOnRR applies the cookies auth strategy to the retryable request
func (s *CookiesAuthStrategy) ApplyOnRR(req *retryablehttp.Request) {
// Before adding new cookies, remove existing cookies
req.Header.Del("Cookie")

for _, cookie := range s.Data.Cookies {
c := &http.Cookie{
Name: cookie.Key,
Expand Down
153 changes: 101 additions & 52 deletions pkg/authprovider/authx/dynamic.go
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ import (
"github.com/projectdiscovery/gologger"
"github.com/projectdiscovery/nuclei/v3/pkg/protocols/common/replacer"
errorutil "github.com/projectdiscovery/utils/errors"
sliceutil "github.com/projectdiscovery/utils/slice"
)

type LazyFetchSecret func(d *Dynamic) error
Expand All @@ -22,7 +23,8 @@ var (
// ex: username and password are dynamic secrets, the actual secret is the token obtained
// after authenticating with the username and password
type Dynamic struct {
Secret `yaml:",inline"` // this is a static secret that will be generated after the dynamic secret is resolved
*Secret `yaml:",inline"` // this is a static secret that will be generated after the dynamic secret is resolved
Secrets []*Secret `yaml:"secrets"`
TemplatePath string `json:"template" yaml:"template"`
Variables []KV `json:"variables" yaml:"variables"`
Input string `json:"input" yaml:"input"` // (optional) target for the dynamic secret
Expand All @@ -33,6 +35,22 @@ type Dynamic struct {
error error `json:"-" yaml:"-"` // error if any
}

func (d *Dynamic) GetDomainAndDomainRegex() ([]string, []string) {
var domains []string
var domainRegex []string
for _, secret := range d.Secrets {
domains = append(domains, secret.Domains...)
domainRegex = append(domainRegex, secret.DomainsRegex...)
}
if d.Secret != nil {
domains = append(domains, d.Secret.Domains...)
domainRegex = append(domainRegex, d.Secret.DomainsRegex...)
}
uniqueDomains := sliceutil.Dedupe(domains)
uniqueDomainRegex := sliceutil.Dedupe(domainRegex)
return uniqueDomains, uniqueDomainRegex
}

func (d *Dynamic) UnmarshalJSON(data []byte) error {
if err := json.Unmarshal(data, &d); err != nil {
return err
Expand All @@ -41,7 +59,7 @@ func (d *Dynamic) UnmarshalJSON(data []byte) error {
if err := json.Unmarshal(data, &s); err != nil {
return err
}
d.Secret = s
d.Secret = &s
return nil
}

Expand All @@ -54,9 +72,18 @@ func (d *Dynamic) Validate() error {
if len(d.Variables) == 0 {
return errorutil.New("variables are required for dynamic secret")
}
d.skipCookieParse = true // skip cookie parsing in dynamic secrets during validation
if err := d.Secret.Validate(); err != nil {
return err

if d.Secret != nil {
d.Secret.skipCookieParse = true // skip cookie parsing in dynamic secrets during validation
if err := d.Secret.Validate(); err != nil {
return err
}
}
for _, secret := range d.Secrets {
secret.skipCookieParse = true
if err := secret.Validate(); err != nil {
return err
}
}
return nil
}
Expand All @@ -74,76 +101,98 @@ func (d *Dynamic) SetLazyFetchCallback(callback LazyFetchSecret) {
return fmt.Errorf("no extracted values found for dynamic secret")
}

// evaluate headers
for i, header := range d.Headers {
if strings.Contains(header.Value, "{{") {
header.Value = replacer.Replace(header.Value, d.Extracted)
if d.Secret != nil {
if err := d.applyValuesToSecret(d.Secret); err != nil {
return err
}
if strings.Contains(header.Key, "{{") {
header.Key = replacer.Replace(header.Key, d.Extracted)
}
d.Headers[i] = header
}

// evaluate cookies
for i, cookie := range d.Cookies {
if strings.Contains(cookie.Value, "{{") {
cookie.Value = replacer.Replace(cookie.Value, d.Extracted)
}
if strings.Contains(cookie.Key, "{{") {
cookie.Key = replacer.Replace(cookie.Key, d.Extracted)
for _, secret := range d.Secrets {
if err := d.applyValuesToSecret(secret); err != nil {
return err
}
if strings.Contains(cookie.Raw, "{{") {
cookie.Raw = replacer.Replace(cookie.Raw, d.Extracted)
}
d.Cookies[i] = cookie
}
return nil
}
}

// evaluate query params
for i, query := range d.Params {
if strings.Contains(query.Value, "{{") {
query.Value = replacer.Replace(query.Value, d.Extracted)
}
if strings.Contains(query.Key, "{{") {
query.Key = replacer.Replace(query.Key, d.Extracted)
}
d.Params[i] = query
func (d *Dynamic) applyValuesToSecret(secret *Secret) error {
// evaluate headers
for i, header := range secret.Headers {
if strings.Contains(header.Value, "{{") {
header.Value = replacer.Replace(header.Value, d.Extracted)
}
if strings.Contains(header.Key, "{{") {
header.Key = replacer.Replace(header.Key, d.Extracted)
}
secret.Headers[i] = header
}

// check username, password and token
if strings.Contains(d.Username, "{{") {
d.Username = replacer.Replace(d.Username, d.Extracted)
// evaluate cookies
for i, cookie := range secret.Cookies {
if strings.Contains(cookie.Value, "{{") {
cookie.Value = replacer.Replace(cookie.Value, d.Extracted)
}
if strings.Contains(d.Password, "{{") {
d.Password = replacer.Replace(d.Password, d.Extracted)
if strings.Contains(cookie.Key, "{{") {
cookie.Key = replacer.Replace(cookie.Key, d.Extracted)
}
if strings.Contains(d.Token, "{{") {
d.Token = replacer.Replace(d.Token, d.Extracted)
if strings.Contains(cookie.Raw, "{{") {
cookie.Raw = replacer.Replace(cookie.Raw, d.Extracted)
}
secret.Cookies[i] = cookie
}

// evaluate query params
for i, query := range secret.Params {
if strings.Contains(query.Value, "{{") {
query.Value = replacer.Replace(query.Value, d.Extracted)
}
if strings.Contains(query.Key, "{{") {
query.Key = replacer.Replace(query.Key, d.Extracted)
}
secret.Params[i] = query
}

// now attempt to parse the cookies
d.skipCookieParse = false
for i, cookie := range d.Cookies {
if cookie.Raw != "" {
if err := cookie.Parse(); err != nil {
return fmt.Errorf("[%s] invalid raw cookie in cookiesAuth: %s", d.TemplatePath, err)
}
d.Cookies[i] = cookie
// check username, password and token
if strings.Contains(secret.Username, "{{") {
secret.Username = replacer.Replace(secret.Username, d.Extracted)
}
if strings.Contains(secret.Password, "{{") {
secret.Password = replacer.Replace(secret.Password, d.Extracted)
}
if strings.Contains(secret.Token, "{{") {
secret.Token = replacer.Replace(secret.Token, d.Extracted)
}

// now attempt to parse the cookies
secret.skipCookieParse = false
for i, cookie := range secret.Cookies {
if cookie.Raw != "" {
if err := cookie.Parse(); err != nil {
return fmt.Errorf("[%s] invalid raw cookie in cookiesAuth: %s", d.TemplatePath, err)
}
secret.Cookies[i] = cookie
}
return nil
}
return nil
}

// GetStrategy returns the auth strategy for the dynamic secret
func (d *Dynamic) GetStrategy() AuthStrategy {
// GetStrategy returns the auth strategies for the dynamic secret
func (d *Dynamic) GetStrategies() []AuthStrategy {
if !d.fetched {
_ = d.Fetch(true)
}
if d.error != nil {
return nil
}
return d.Secret.GetStrategy()
var strategies []AuthStrategy
if d.Secret != nil {
strategies = append(strategies, d.Secret.GetStrategy())
}
for _, secret := range d.Secrets {
strategies = append(strategies, secret.GetStrategy())
}
return strategies
}

// Fetch fetches the dynamic secret
Expand Down
12 changes: 6 additions & 6 deletions pkg/authprovider/authx/strategy.go
Original file line number Diff line number Diff line change
Expand Up @@ -24,16 +24,16 @@ type DynamicAuthStrategy struct {

// Apply applies the strategy to the request
func (d *DynamicAuthStrategy) Apply(req *http.Request) {
strategy := d.Dynamic.GetStrategy()
if strategy != nil {
strategy.Apply(req)
strategy := d.Dynamic.GetStrategies()
for _, s := range strategy {
s.Apply(req)
}
}

// ApplyOnRR applies the strategy to the retryable request
func (d *DynamicAuthStrategy) ApplyOnRR(req *retryablehttp.Request) {
strategy := d.Dynamic.GetStrategy()
if strategy != nil {
strategy.ApplyOnRR(req)
strategy := d.Dynamic.GetStrategies()
for _, s := range strategy {
s.ApplyOnRR(req)
}
}
8 changes: 5 additions & 3 deletions pkg/authprovider/file.go
Original file line number Diff line number Diff line change
Expand Up @@ -85,8 +85,10 @@ func (f *FileAuthProvider) init() {
}
}
for _, dynamic := range f.store.Dynamic {
if len(dynamic.DomainsRegex) > 0 {
for _, domain := range dynamic.DomainsRegex {
domain, domainsRegex := dynamic.GetDomainAndDomainRegex()

if len(domainsRegex) > 0 {
for _, domain := range domainsRegex {
if f.compiled == nil {
f.compiled = make(map[*regexp.Regexp][]authx.AuthStrategy)
}
Expand All @@ -101,7 +103,7 @@ func (f *FileAuthProvider) init() {
}
}
}
for _, domain := range dynamic.Domains {
for _, domain := range domain {
if f.domains == nil {
f.domains = make(map[string][]authx.AuthStrategy)
}
Expand Down

0 comments on commit ce023d0

Please sign in to comment.