From 5db58fd87f230fbe5bae599bb4b120ab42cad3be Mon Sep 17 00:00:00 2001
From: "t.me/xtekky" <98614666+xtekky@users.noreply.github.com>
Date: Sat, 24 Jun 2023 03:47:00 +0200
Subject: gpt4free v2, first release

---
 g4f/Provider/Providers/GetGpt.py | 57 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 g4f/Provider/Providers/GetGpt.py

(limited to 'g4f/Provider/Providers/GetGpt.py')

diff --git a/g4f/Provider/Providers/GetGpt.py b/g4f/Provider/Providers/GetGpt.py
new file mode 100644
index 00000000..56a121f6
--- /dev/null
+++ b/g4f/Provider/Providers/GetGpt.py
@@ -0,0 +1,57 @@
+import os
+import json
+import uuid
+import requests
+from Crypto.Cipher import AES
+from ...typing import sha256, Dict, get_type_hints
+
+url = 'https://chat.getgpt.world/'
+model = ['gpt-3.5-turbo']
+supports_stream = True
+needs_auth = False
+
+def _create_completion(model: str, messages: list, stream: bool, **kwargs):
+    def encrypt(e):
+        t = os.urandom(8).hex().encode('utf-8')
+        n = os.urandom(8).hex().encode('utf-8')
+        r = e.encode('utf-8')
+        cipher = AES.new(t, AES.MODE_CBC, n)
+        ciphertext = cipher.encrypt(pad_data(r))
+        return ciphertext.hex() + t.decode('utf-8') + n.decode('utf-8')
+
+    def pad_data(data: bytes) -> bytes:
+        block_size = AES.block_size
+        padding_size = block_size - len(data) % block_size
+        padding = bytes([padding_size] * padding_size)
+        return data + padding
+
+    headers = {
+        'Content-Type': 'application/json',
+        'Referer': 'https://chat.getgpt.world/',
+        'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36'
+    }
+
+    data = json.dumps({
+        'messages': messages,
+        'frequency_penalty': kwargs.get('frequency_penalty', 0),
+        'max_tokens': kwargs.get('max_tokens', 4000),
+        'model': 'gpt-3.5-turbo',
+        'presence_penalty': kwargs.get('presence_penalty', 0),
+        'temperature': kwargs.get('temperature', 1),
+        'top_p': kwargs.get('top_p', 1),
+        'stream': True,
+        'uuid': str(uuid.uuid4())
+    })
+
+    res = requests.post('https://chat.getgpt.world/api/chat/stream', 
+                        headers=headers, json={'signature': encrypt(data)}, stream=True)
+
+    for line in res.iter_lines():
+        if b'content' in line:
+            line_json = json.loads(line.decode('utf-8').split('data: ')[1])
+            yield (line_json['choices'][0]['delta']['content'])
+
+
+params = f'g4f.Providers.{os.path.basename(__file__)[:-3]} supports: ' + \
+    '(%s)' % ', '.join(
+        [f'{name}: {get_type_hints(_create_completion)[name].__name__}' for name in _create_completion.__code__.co_varnames[:_create_completion.__code__.co_argcount]])
-- 
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