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urlinsane.go
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urlinsane.go
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// Copyright © 2019 rangertaha rangertaha@gmail.com
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package urlinsane
import (
"sync"
"strings"
"golang.org/x/net/idna"
"github.com/rangertaha/urlinsane/languages"
)
type (
URLInsane struct {
domains []Domain
keyboards []languages.Keyboard
languages []languages.Language
types []Typo
funcs []Extra
file string
count int
format string
verbose bool
headers []string
concurrency int
data map[string]map[string]string
typoWG sync.WaitGroup
funcWG sync.WaitGroup
}
Domain struct {
Subdomain string `json:"subdomain,omitempty"`
Domain string `json:"domain,omitempty"`
Suffix string `json:"suffix,omitempty"`
}
Extra struct {
Code string `json:"code,omitempty"`
Name string `json:"name,omitempty"`
Description string `json:"description,omitempty"`
Headers []string `json:"code,omitempty"`
Exec ExtraFunc `json:"-"`
}
Typo struct {
Code string `json:"code,omitempty"`
Name string `json:"name,omitempty"`
Description string `json:"description,omitempty"`
Exec TypoFunc `json:"-"`
}
TypoConfig struct {
Original Domain `json:"original,omitempty"`
Variant Domain `json:"variant,omitempty"`
Keyboards []languages.Keyboard `json:"keyboards,omitempty"`
Languages []languages.Language `json:"languages,omitempty"`
Typo Typo `json:"typo,omitempty"`
}
TypoResult struct {
Original Domain `json:"original,omitempty"`
Variant Domain `json:"variant,omitempty"`
Typo Typo `json:"typo,omitempty"`
Live bool `json:"live,omitempty"`
Data map[string]string `json:"data,omitempty"`
}
OutputResult map[string]interface{}
// TypoFunc defines a function to register typos.
TypoFunc func(TypoConfig) []TypoConfig
// ExtraFunc defines a function to register typos.
ExtraFunc func(TypoResult) []TypoResult
)
const (
VERSION = "0.5.2"
DEBUG = false
LOGO = `
_ _ ____ _ ___
| | | || _ \ | | |_ _| _ __ ___ __ _ _ __ ___
| | | || |_) || | | | | '_ \ / __| / _' || '_ \ / _ \
| |_| || _ < | |___ | | | | | |\__ \| (_| || | | || __/
\___/ |_| \_\|_____||___||_| |_||___/ \__,_||_| |_| \___|
Version: ` + VERSION + "\n"
)
// New
func New(c Config) (i URLInsane) {
i = URLInsane{
domains: c.domains,
keyboards: c.keyboards,
types: c.typos,
funcs: c.funcs,
concurrency: c.concurrency,
headers: c.headers,
format: c.format,
file: c.file,
verbose: c.verbose,
}
return
}
// GenTypoConfig
func (urli *URLInsane) GenTypoConfig() <-chan TypoConfig {
out := make(chan TypoConfig)
go func() {
for _, domain := range urli.domains {
for _, typo := range urli.types {
out <- TypoConfig{domain, Domain{}, urli.keyboards, urli.languages, typo}
}
}
close(out)
}()
return out
}
// Typos gives typo options to a pool of workers
func (urli *URLInsane) Typos(in <-chan TypoConfig) <-chan TypoConfig {
out := make(chan TypoConfig)
for w := 1; w <= urli.concurrency; w++ {
urli.typoWG.Add(1)
go func(id int, in <-chan TypoConfig, out chan<- TypoConfig) {
defer urli.typoWG.Done()
for c := range in {
// Execute typo function returning typo results
for _, t := range c.Typo.Exec(c) {
if t.Variant.String() != t.Original.String() {
out <- t
}
}
}
}(w, in, out)
}
go func() {
urli.typoWG.Wait()
close(out)
}()
return out
}
// Results
func (urli *URLInsane) Results(in <-chan TypoConfig) <-chan TypoResult {
out := make(chan TypoResult)
go func() {
for r := range in {
record := TypoResult{Variant: r.Variant, Original: r.Original, Typo: r.Typo}
// Initialize a place to store extra data for a record
record.Data = make(map[string]string)
// Add record placeholder for consistent records
for _, name := range urli.headers {
_, ok := record.Data[name]
if !ok {
record.Data[name] = ""
}
}
out <- record
}
close(out)
}()
return out
}
// FuncChain creates a chain of extra functions
func (urli *URLInsane) FuncChain(funcs []Extra, in <-chan TypoResult) <-chan TypoResult {
var xfunc Extra
out := make(chan TypoResult)
xfunc, funcs = funcs[len(funcs)-1], funcs[:len(funcs)-1]
go func() {
for i := range in {
for _, result := range xfunc.Exec(i) {
out <- result
}
}
close(out)
}()
if len(funcs) > 0 {
return urli.FuncChain(funcs, out)
} else {
return out
}
}
// DistChain creates workers of chained functions
func (urli *URLInsane) DistChain(in <-chan TypoResult) <-chan TypoResult {
out := make(chan TypoResult)
for w := 1; w <= urli.concurrency; w++ {
urli.funcWG.Add(1)
go func(in <-chan TypoResult, out chan<- TypoResult) {
defer urli.funcWG.Done()
output := urli.FuncChain(urli.funcs, in)
for c := range output {
out <- c
}
}(in, out)
}
go func() {
urli.funcWG.Wait()
close(out)
}()
return out
}
// Execute program returning results
func (urli *URLInsane) Execute() (res []TypoResult) {
for r := range urli.Stream() {
res = append(res, r)
}
return res
}
// Stream results via channels
func (urli *URLInsane) Stream() <-chan TypoResult {
// Generate typosquatting options
typoConfigs := urli.GenTypoConfig()
// Execute typosquatting algorithms
typos := urli.Typos(typoConfigs)
// Converting typos to results and remove duplicates
results := urli.Results(typos)
// Execute extra functions
output := urli.DistChain(results)
return urli.Dedup(output)
}
// Dedup filters the results for unique variations of domains
func (urli *URLInsane) Dedup(in <-chan TypoResult) <-chan TypoResult {
duplicates := make(map[string]int)
out := make(chan TypoResult)
go func(in <-chan TypoResult, out chan<- TypoResult) {
for c := range in {
// Count and remove deplicates
dup, ok := duplicates[c.Variant.String()]
if ok {
duplicates[c.Variant.String()] = dup + 1
} else {
duplicates[c.Variant.String()] = 1
out <- c
}
}
close(out)
}(in, out)
return out
}
// Start executes the program and outputs results. Primarily used for CLI tools
func (urli *URLInsane) Start() {
// Execute program returning a channel with results
output := urli.Stream()
// Output results based on config
urli.Output(output)
}
// Idna
func (d *Domain) Idna() (punycode string) {
punycode, _ = idna.Punycode.ToASCII(d.String())
return
}
// String
func (d *Domain) String() (domain string) {
if d.Subdomain != "" {
domain = d.Subdomain + "."
}
if d.Domain != "" {
domain = domain + d.Domain
}
if d.Suffix != "" {
domain = domain + "." + d.Suffix
}
domain = strings.TrimSpace(domain)
return
}