Spaces:
Sleeping
Sleeping
File size: 11,029 Bytes
b087ae8 cabed79 11e25fb 0f299b3 f5219ad 60f9e59 fab06fa 05d7bc4 60f9e59 e2580de fab06fa 60f9e59 b087ae8 02e47fb ea15739 b087ae8 ea15739 b087ae8 ea15739 b087ae8 ea15739 b087ae8 ea15739 b087ae8 564f50c b087ae8 f5219ad b087ae8 60f9e59 b087ae8 60f9e59 b087ae8 60f9e59 b087ae8 42a7b19 b087ae8 48de82b b087ae8 fab06fa e2580de fab06fa 48de82b 60f9e59 e2580de 60f9e59 faa9164 60f9e59 0cc610f 60f9e59 fab06fa e2580de b087ae8 37a3dad 011c0a2 b087ae8 011c0a2 b087ae8 011c0a2 b087ae8 011c0a2 b087ae8 011c0a2 b087ae8 011c0a2 b087ae8 1924a0c b087ae8 1924a0c b087ae8 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 |
from fastapi import Request
from fastapi.responses import JSONResponse
from starlette.middleware.base import BaseHTTPMiddleware
from nacl.signing import VerifyKey
from nacl.exceptions import BadSignatureError
import hashlib
import secrets
import base58
import requests
import json
import httpx
from geopy.geocoders import Nominatim
from geopy.exc import GeocoderServiceError
geolocator = Nominatim(user_agent="velocity")
def GEOCODER(coords):
try:
lat = coords.get("latitude")
lon = coords.get("longitude")
if lat is None or lon is None:
return {
"status": "error",
"message": "Missing latitude or longitude.",
"data": None
}
location = geolocator.reverse(f"{lat}, {lon}", exactly_one=True)
if location and "address" in location.raw:
country_name = location.raw["address"].get("country")
country_code = location.raw["address"].get("country_code")
return {
"status": "success",
"message": "Location resolved successfully.",
"data": {
"country": country_name,
"code": country_code.upper() if country_code else None
}
}
return {
"status": "not_found",
"message": "Location could not be resolved.",
"data": None
}
except GeocoderServiceError as e:
return {
"status": "error",
"message": f"Geocoding service error: {str(e)}",
"data": None
}
except Exception as e:
return {
"status": "error",
"message": f"Unexpected error: {str(e)}",
"data": None
}
def SignatureVerification(X_401_Addr,X_401_Nonce,X_401_Sign,challange):
if X_401_Addr and X_401_Nonce and X_401_Sign:
try:
signature_bytes = base58.b58decode(X_401_Sign)
verify_key = VerifyKey(base58.b58decode(X_401_Addr))
payload_bytes = challange.encode("utf-8")
verify_key.verify(payload_bytes, signature_bytes)
return True
except BadSignatureError:
return False
def SecretNonceGenerator():
random_bytes = secrets.token_bytes(32)
return hashlib.sha256(random_bytes).hexdigest()
def TokenCheck(walletPublicKey):
url = f"https://mainnet.helius-rpc.com/?api-key=4e833ada-d32c-48c5-b020-c11b2253f25b"
payload = {
"jsonrpc": "2.0",
"id": "1",
"method": "getTokenAccountsByOwner",
"params": [
walletPublicKey,
{"mint":"3d4XyPWkUJzruF5c2qc1QfpLgsaNaDLMtTya1bWBpump" },
{"encoding": "jsonParsed"}
]
}
headers = {"Content-Type": "application/json"}
try:
response = requests.post(url, json=payload, headers=headers)
response.raise_for_status()
data = response.json()
except requests.exceptions.RequestException as e:
return {"status": False, "message": f"API Request Failed: {e}"}
token_accounts = data.get("result", {}).get("value")
if not token_accounts:
return False
try:
account_info = token_accounts[0]["account"]["data"]["parsed"]["info"]
token_amount = account_info["tokenAmount"]
ui_amount = float(token_amount.get("uiAmount"))
except (TypeError, KeyError, IndexError):
return {"status": False, "message": "Could not parse token account data"}
if ui_amount >= 100000.0:
print(ui_amount)
return True
else:
print(ui_amount)
return False
class x401Kit(BaseHTTPMiddleware):
def __init__(self, app, protected_paths: list, required_mint: str, mint_amount:int , helius_api_key: str, geo_code:bool ,geo_code_locs:list,secret_domain="VELOCITY"):
super().__init__(app)
self.protected_paths = protected_paths
self.required_mint = required_mint
self.mint_amount=mint_amount
self.helius_api_key = helius_api_key
self.secret_domain = secret_domain
self.geo_code=geo_code
self.geo_code_locs=geo_code_locs
async def dispatch(self, request: Request, call_next):
if request.method == "OPTIONS":
return await call_next(request)
if not any(request.url.path.startswith(p) for p in self.protected_paths):
return await call_next(request)
NONCE=SecretNonceGenerator()
X_401_Nonce=request.headers.get("X-401-Nonce")
X_401_Sign=request.headers.get("X-401-Signature")
X_401_Addr=request.headers.get("X-401-Addr")
lat=request.headers.get("X-Lat")
long=request.headers.get("X-Long")
coords={
"latitude":lat,
"longitude":long
}
REQUIRED_SERVICE=None
if not X_401_Addr and not X_401_Nonce and not X_401_Sign :
payload401={
"X-401-Status":"Authrequired",
"x-401-Mechanism":"SOLANA",
"X-401-Nonce":NONCE,
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Credentials": "true",
"Access-Control-Expose-Headers": "x-401-Nonce, x-401-Mechanism, x-401-Status"
}
return JSONResponse(content={
"message":"401 Auth Required",
"information":"Non persistant stateless auth"
},headers=payload401,status_code=401)
challange=f"CHALLENGE::{X_401_Nonce}::{request.url.path}::{self.secret_domain}"
signverify=SignatureVerification(X_401_Addr,X_401_Nonce,X_401_Sign,challange)
tokenverify=TokenCheck(X_401_Addr)
print(tokenverify)
if signverify == True and tokenverify == True:
if self.geo_code==True:
country=GEOCODER(coords)
print(country)
if country["data"] is None:
return JSONResponse(
content={"status": "locerror", "message": f"Auth error"},
headers= {
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Credentials": "true"
},
status_code=500
)
if country["data"]["code"] in self.geo_code_locs:
return JSONResponse(
content={"status": "locdeny", "message":f"access denied for {country['data']['country']}"},
headers= {
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Credentials": "true"
},
status_code=401
)
response = await call_next(request)
if response.headers.get("content-type") == "application/json":
body_bytes = b""
async for chunk in response.body_iterator:
body_bytes += chunk
try:
data = json.loads(body_bytes.decode())
except json.JSONDecodeError:
return response
data["address"] = X_401_Addr
response_headers = dict(response.headers)
response_headers.pop("content-length", None)
print(data)
return JSONResponse(
content=data,
status_code=response.status_code,
headers=response_headers
)
return response
elif tokenverify==False:
return JSONResponse(
content={"status": "error", "message": "Missing required token"},
status_code=500,
headers={
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Credentials": "true"
}
)
elif signverify==False:
print("failed")
return JSONResponse(
content={"status": "error", "message": "bad signature"},
status_code=500,
headers={
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Credentials": "true"
}
)
else:
return JSONResponse(
content={"status": "error", "message": "Authentication failed"},
status_code=500,
headers={
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Credentials": "true"
}
)
|