app.py

from flask import Flask, render_template, jsonify, request, send_file
import requests
import http.client
import json
import time
import re
from strgen import StringGenerator as SG
import uuid

app = Flask(__name__)


def encrypt(text):
    s = int(re.search(r'\d+', text).group()[0])
    result = ""
    for i in range(len(text)):
        char = text[i]
        if(not char.isnumeric() and char != "-"):
            if (char.isupper()):
                result += chr((ord(char) + s - 65) % 26 + 65)
            else:
                result += chr((ord(char) + s - 97) % 26 + 97)
        else:
            result += char
    return result


def dencrypt(text):
    s = int(re.search(r'\d+', text).group()[0])
    result = ""
    for i in range(len(text)):
        char = text[i]
        if(not char.isnumeric() and char != "-"):
            if (char.isupper()):
                result += chr((ord(char) - s - 65) % 26 + 65)
            else:
                result += chr((ord(char) - s - 97) % 26 + 97)
        else:
            result += char
    return result


def NewAccount():
    # Genrate CSRF
    conn = http.client.HTTPSConnection("lexica.art")
    payload = ''
    conn.request("GET", "/api/auth/csrf", payload)
    response = conn.getresponse()
    csrf = json.loads(response.read().decode("utf-8"))["csrfToken"]
    print("CSRF :", csrf)
    cookies = response.getheader("Set-Cookie")

    # Genrate Temp Mail
    tempEmail = json.loads(requests.get(
        "https://www.1secmail.com/api/v1/?action=genRandomMailbox&count=1").text)[0]
    login = tempEmail.split("@")[0]
    domain = tempEmail.split("@")[1]
    print("Tempmail :", tempEmail)

    # Send Mail From Lexica
    csrfTokenCookie = str(cookies).split(
        "__Host-next-auth.csrf-token=")[1].split(";")[0]
    cookiesText = '__Host-next-auth.csrf-token='+csrfTokenCookie + \
        '; __Secure-next-auth.callback-url=https%3A%2F%2Flexica.art%2F'
    payload = 'email='+tempEmail + \
        '&redirect=false&callbackUrl=https%3A%2F%2Flexica.art%2F&csrfToken='+csrf+'&json=true'
    headers = {
        'Content-Type': 'application/x-www-form-urlencoded',
        'Cookie': cookiesText
    }
    conn.request("POST", "/api/auth/signin/email?=null", payload, headers)
    response = conn.getresponse()
    if ("provider=email&type=email" in response.read().decode("utf-8")):
        print("Email Sent :", True)

    # Recieve Mail from Lexica
    while True:
        mailData = json.loads(requests.get(
            "https://www.1secmail.com/api/v1/?action=getMessages&login="+login+"&domain="+domain).text)
        if(len(mailData) > 0):
            mailId = mailData[0]["id"]
            break
        time.sleep(0.5)

    mailBody = json.loads(requests.get(
        "https://www.1secmail.com/api/v1/?action=readMessage&login="+login+"&domain="+domain+"&id="+str(mailId)).text)["textBody"]
    sessionLink = mailBody.split('<a href=\"')[1].split('\">')[0].strip()
    print(sessionLink)

    # Activate A New Account
    payload = ''
    headers = {
        'Cookie': cookiesText
    }
    conn.request("GET", "/"+sessionLink.split("lexica.art/")
                 [1], payload, headers)
    res = conn.getresponse()
    data = res.read()
    cookies = res.getheader("Set-Cookie")
    print(data.decode("utf-8"))
    print(cookies)
    sessionTokenCookie = str(cookies).split(".session-token=")[1].split(";")[0]
    return csrfTokenCookie, sessionTokenCookie





csrfTokenCookie, sessionTokenCookie = NewAccount()
csrfTokenCookieGEN, sessionTokenCookieGEN = NewAccount()
visitorId = SG("[a-zA-Z0-9]{20}").render_list(1, unique=True)[0]


def infiniteScroll(cursor, query, searchMode, model):
    global csrfTokenCookie
    conn = http.client.HTTPSConnection("lexica.art")
    print(query)
    try:
        cursor = int(cursor)
    except:
        cursor = 0
    payload = json.dumps({
        "text": query,
        "searchMode": searchMode,
        "source": "search",
        "cursor": int(cursor),
        "model": model
    })
    headers = {
        'Content-Type': 'application/json',
        'Cookie': '__Host-next-auth.csrf-token='+csrfTokenCookie+'; __Secure-next-auth.callback-url=https%3A%2F%2Flexica.art'
    }
    conn.request("POST", "/api/infinite-prompts", payload, headers)
    res = conn.getresponse()
    data = res.read()
    return json.loads(data.decode("utf-8"))


@app.route('/infinite-prompts', methods=["POST", "GET"])
def homeImageLoader():
    if request.method == 'POST':
        try:
            cursor = request.form['cursor']
        except:
            cursor = 0
        try:
            query = request.form['query']
        except:
            query = ""
        searchMode = request.form['searchMode']
        model = request.form['model']
        if(model == "picxai-diffuser"):
            model = "lexica-aperture-v2"
        if(searchMode == "prompts"):
            model = "sd-1.5"
        data = infiniteScroll(cursor, query, searchMode, model)
        return data


@app.route('/prompt/<id>', methods=["GET"])
def promptDetail(id):
    url = "https://lexica.art/prompt/" + id
    payload={}
    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36',
    }
    response = requests.request("GET", url, headers=headers, data=payload)
    datafinal = {}
    datafinal["id"] = id
    datafinal["prompt"] = response.text.split('name="description" content="')[1].split('"')[0]
    datafinal["c"] = int(response.text.split('Guidance scale')[1].split('<div class="text-sm">')[1].split('</div>')[0])
    datafinal["width"] = int(response.text.split('Dimensions')[1].split('<div class="text-sm">')[1].split('</div>')[0].split("×")[0].replace("<!-- -->",""))
    datafinal["height"] = int(response.text.split('Dimensions')[1].split('<div class="text-sm">')[1].split('</div>')[0].split("×")[0].replace("<!-- -->",""))
    datafinal["images"] = []
    tempImage = response.text.split('<meta property="og:image" content="')[1].split('"')[0].split("images=")[1:]
    for i in tempImage:
        datafinal["images"].append({"id": i.replace("&amp;", "").split("/")[-1]})
    try:
        datafinal["negativePrompt"] = response.text.split('Negative prompt')[1].split('<div class="text-sm">')[1].split('</div>')[0]
    except:
        datafinal["negativePrompt"] = ""
    try:
        datafinal["upscaled_width"] = int(response.text.split('Upscaled')[1].split('<div class="text-sm">')[1].split('</div>')[0].split("×")[0].replace("<!-- -->",""))
        datafinal["upscaled_height"] = int(response.text.split('Upscaled')[1].split('<div class="text-sm">')[1].split('</div>')[0].split("×")[1].replace("<!-- -->",""))
    except:
        datafinal["upscaled_width"] =""
        datafinal["upscaled_height"] =""
    datafinal["model"] = "picxai-diffuser"
    return render_template("prompt.html", datafinal=datafinal)


@app.route('/diffuser', methods=["POST", "GET"])
def diffuser():
    global csrfTokenCookieGEN, sessionTokenCookieGEN, visitorId
    if request.method == 'POST':
        try:
            prompt = request.form['prompt']
            print(prompt)
            negativePrompt = request.form['negativePrompt']
            guidanceScale = request.form['guidanceScale']
            enableHiresFix = str(request.form['enableHiresFix'])
            width = request.form['width']
            height = request.form['height']
            myuuid = uuid.uuid4()
            payload = json.dumps({
                "prompt": prompt,
                "negativePrompt": negativePrompt,
                "guidanceScale": int(guidanceScale),
                "width": int(width),
                "height": int(height),
                "enableHiresFix": enableHiresFix,
                "model": "lexica-aperture-v2",
                "numImagesGenerated": 0,
                "id": visitorId,
                "requestId": str(myuuid),
            })
            headers = {
                'authority': 'z.lexica.art',
                'accept': 'application/json, text/plain, */*',
                'content-type': 'application/json',
                'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36',
                'Cookie': '__Secure-next-auth.session-token='+sessionTokenCookieGEN+'; __Host-next-auth.csrf-token='+csrfTokenCookieGEN+';'
            }
            conn = http.client.HTTPSConnection("z.lexica.art")
            conn.request("POST", "/api/generator", payload, headers)
            res = conn.getresponse()
            data = res.read()
            if "needsMembership" in data.decode("utf-8"):
                csrfTokenCookieGEN, sessionTokenCookieGEN = NewAccount()
                visitorId = SG("[a-zA-Z0-9]{20}").render_list(1, unique=True)[0]
                data = {"error": "Please try Again"}
                return jsonify(data)
            return jsonify(data.decode("utf-8"))
        except Exception as e:
            return jsonify({"error": str(e)})
    else:
        return render_template("generate.html")


@app.route('/image/<size>/<id>', methods=["GET"])
def imageAPI(size, id):
    print(size, id)
    return send_file(filename, mimetype='image/jpg')


@app.route('/', methods=["GET"])
def home():
    return render_template("index.html")
@app.route('/hello', methods=["GET"])
def hello():
    return "hello picxai"

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=7860)