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from sqlalchemy.ext.asyncio import AsyncSession
from typing import List, Optional
from pydantic import BaseModel
from datetime import datetime
from slowapi import Limiter
from slowapi.util import get_remote_address
import aiohttp
import asyncio
import time
from app.database import get_db
from app.db_storage import db_storage
from app.dependencies import require_admin
# Rate limiter for this router
limiter = Limiter(key_func=get_remote_address)
router = APIRouter(prefix="/api/v1", tags=["proxies"])
class ProxyResponse(BaseModel):
id: int
url: str
protocol: str
ip: Optional[str]
port: Optional[int]
country_code: Optional[str]
country_name: Optional[str]
state: Optional[str]
city: Optional[str]
latency_ms: Optional[int]
speed_mbps: Optional[float]
anonymity: Optional[str]
proxy_type: Optional[str]
can_access_google: Optional[bool]
quality_score: Optional[int]
is_working: bool
last_validated: Optional[str]
class Config:
from_attributes = True
class ProxiesListResponse(BaseModel):
total: int
count: int
offset: int
limit: int
proxies: List[ProxyResponse]
@router.get("/proxies/advanced", response_model=ProxiesListResponse)
async def get_proxies_advanced(
protocol: Optional[str] = Query(None, description="Filter by protocol"),
country_code: Optional[str] = Query(
None, description="Filter by country code (e.g., US, GB)"
),
anonymity: Optional[str] = Query(
None, description="Filter by anonymity level (transparent, anonymous, elite)"
),
proxy_type: Optional[str] = Query(
None, description="Filter by type (datacenter, residential, mobile)"
),
can_access_google: Optional[bool] = Query(
None, description="Filter by Google accessibility"
),
min_quality: Optional[int] = Query(
None, ge=0, le=100, description="Minimum quality score (0-100)"
),
min_speed: Optional[float] = Query(None, ge=0, description="Minimum speed in Mbps"),
max_latency: Optional[int] = Query(None, ge=0, description="Maximum latency in ms"),
is_working: bool = Query(True, description="Show only working proxies"),
order_by: str = Query(
"quality_score",
description="Sort by: quality_score, latency_ms, speed_mbps, created_at",
),
order_direction: str = Query("desc", description="Sort direction: asc or desc"),
limit: int = Query(100, ge=1, le=1000, description="Number of results"),
offset: int = Query(0, ge=0, description="Offset for pagination"),
session: AsyncSession = Depends(get_db),
):
proxies, total = await db_storage.get_proxies(
session=session,
protocol=protocol,
country_code=country_code,
anonymity=anonymity,
min_quality=min_quality,
is_working=is_working,
limit=limit,
offset=offset,
order_by=order_by,
)
filtered_proxies = []
for proxy in proxies:
if proxy_type and proxy.proxy_type != proxy_type:
continue
if (
can_access_google is not None
and proxy.can_access_google != can_access_google
):
continue
if min_speed is not None and (
proxy.speed_mbps is None or proxy.speed_mbps < min_speed
):
continue
if max_latency is not None and (
proxy.latency_ms is None or proxy.latency_ms > max_latency
):
continue
filtered_proxies.append(proxy)
return ProxiesListResponse(
total=total,
count=len(filtered_proxies),
offset=offset,
limit=limit,
proxies=[
ProxyResponse(
**{
**proxy.__dict__,
"last_validated": proxy.last_validated.isoformat()
if proxy.last_validated
else None,
}
)
for proxy in filtered_proxies
],
)
@router.get("/proxies/filters/options")
async def get_filter_options(session: AsyncSession = Depends(get_db)):
from sqlalchemy import select, func, distinct
from app.db_models import Proxy
protocols_result = await session.execute(
select(distinct(Proxy.protocol)).where(Proxy.is_working == True)
)
protocols = [p for p in protocols_result.scalars().all() if p]
countries_result = await session.execute(
select(
Proxy.country_code, Proxy.country_name, func.count(Proxy.id).label("count")
)
.where(Proxy.is_working == True, Proxy.country_code.isnot(None))
.group_by(Proxy.country_code, Proxy.country_name)
.order_by(func.count(Proxy.id).desc())
.limit(50)
)
countries = [
{"code": row.country_code, "name": row.country_name, "count": row.count}
for row in countries_result.all()
]
anonymity_levels = ["transparent", "anonymous", "elite"]
proxy_types = ["datacenter", "residential", "mobile", "unknown"]
quality_ranges = [
{"label": "Excellent (80-100)", "min": 80, "max": 100},
{"label": "Good (60-79)", "min": 60, "max": 79},
{"label": "Fair (40-59)", "min": 40, "max": 59},
{"label": "Poor (0-39)", "min": 0, "max": 39},
]
return {
"protocols": protocols,
"countries": countries,
"anonymity_levels": anonymity_levels,
"proxy_types": proxy_types,
"quality_ranges": quality_ranges,
"sort_options": [
{"value": "quality_score", "label": "Quality Score"},
{"value": "latency_ms", "label": "Latency (fastest first)"},
{"value": "speed_mbps", "label": "Speed (fastest first)"},
{"value": "created_at", "label": "Recently Added"},
],
}
@router.get("/proxies/export")
@limiter.limit("100/hour") # Rate limit: 100 exports per hour
async def export_proxies(
request: Request,
format: str = Query("txt", description="Export format: txt, json, csv, pac"),
protocol: Optional[str] = None,
country_code: Optional[str] = None,
min_quality: Optional[int] = None,
limit: int = Query(1000, ge=1, le=10000),
session: AsyncSession = Depends(get_db),
):
from fastapi.responses import PlainTextResponse, StreamingResponse
import json
import io
proxies, _ = await db_storage.get_proxies(
session=session,
protocol=protocol,
country_code=country_code,
min_quality=min_quality,
is_working=True,
limit=limit,
offset=0,
order_by="quality_score",
)
if format == "txt":
content = "\n".join([proxy.url for proxy in proxies])
return PlainTextResponse(content=content, media_type="text/plain")
elif format == "json":
data = [
{
"url": proxy.url,
"protocol": proxy.protocol,
"country": proxy.country_code,
"latency_ms": proxy.latency_ms,
"anonymity": proxy.anonymity,
"quality_score": proxy.quality_score,
}
for proxy in proxies
]
return PlainTextResponse(
content=json.dumps(data, indent=2), media_type="application/json"
)
elif format == "csv":
import csv
output = io.StringIO()
writer = csv.writer(output)
writer.writerow(
["URL", "Protocol", "Country", "Latency(ms)", "Anonymity", "Quality"]
)
for proxy in proxies:
writer.writerow(
[
proxy.url,
proxy.protocol,
proxy.country_code or "",
proxy.latency_ms or "",
proxy.anonymity or "",
proxy.quality_score or "",
]
)
return StreamingResponse(
iter([output.getvalue()]),
media_type="text/csv",
headers={"Content-Disposition": "attachment; filename=proxies.csv"},
)
elif format == "pac":
# Generate PAC (Proxy Auto-Config) file for browser configuration
# Filter to HTTP/HTTPS proxies only (PAC doesn't support other protocols)
http_proxies = [p for p in proxies if p.protocol.lower() in ["http", "https"]]
if not http_proxies:
proxy_list = "DIRECT"
else:
# Build proxy list (round-robin load balancing)
proxy_list = "; ".join(
[
f"PROXY {p.ip}:{p.port}"
for p in http_proxies[:10] # Limit to top 10 for performance
]
)
proxy_list += "; DIRECT"
pac_content = f"""function FindProxyForURL(url, host) {{
// 1proxy PAC File - Auto-generated proxy configuration
// Generated: {datetime.utcnow().isoformat()}
// Total proxies: {len(http_proxies)}
// Bypass localhost and private networks
if (isPlainHostName(host) ||
shExpMatch(host, "*.local") ||
isInNet(host, "10.0.0.0", "255.0.0.0") ||
isInNet(host, "172.16.0.0", "255.240.0.0") ||
isInNet(host, "192.168.0.0", "255.255.0.0") ||
isInNet(host, "127.0.0.0", "255.0.0.0")) {{
return "DIRECT";
}}
// Use proxy for all other requests (round-robin)
return "{proxy_list}";
}}"""
return PlainTextResponse(
content=pac_content,
media_type="application/x-ns-proxy-autoconfig",
headers={"Content-Disposition": "attachment; filename=1proxy.pac"},
)
return {"error": "Invalid format. Supported: txt, json, csv, pac"}
@router.get("/proxies/random", response_model=ProxyResponse)
async def get_random_proxy(
protocol: Optional[str] = Query(None, description="Filter by protocol"),
country_code: Optional[str] = Query(None, description="Filter by country code"),
min_quality: Optional[int] = Query(None, description="Minimum quality score"),
anonymity: Optional[str] = Query(
None, description="Filter by anonymity (transparent, anonymous, elite)"
),
max_latency: Optional[int] = Query(None, description="Maximum latency in ms"),
exclude: Optional[str] = Query(
None,
description="Comma-separated list of IPs to exclude (e.g., '1.2.3.4,5.6.7.8')",
),
session: AsyncSession = Depends(get_db),
):
"""
Get a random high-quality proxy with smart filtering.
Use the 'exclude' parameter to implement rotation by excluding
previously used IPs. This ensures you get different proxies
on each request.
Example: /proxies/random?min_quality=70&exclude=192.168.1.1,10.0.0.1
"""
# Parse exclude list
excluded_ips = set()
if exclude:
excluded_ips = set(ip.strip() for ip in exclude.split(",") if ip.strip())
proxy = await db_storage.get_random_proxy(
session=session,
protocol=protocol,
country_code=country_code,
min_quality=min_quality,
anonymity=anonymity,
max_latency=max_latency,
)
# If proxy is in exclude list, try to get another one
max_attempts = 5
attempts = 0
while proxy and proxy.ip in excluded_ips and attempts < max_attempts:
proxy = await db_storage.get_random_proxy(
session=session,
protocol=protocol,
country_code=country_code,
min_quality=min_quality,
anonymity=anonymity,
max_latency=max_latency,
)
attempts += 1
if not proxy:
raise HTTPException(status_code=404, detail="No matching proxies found")
if proxy.ip in excluded_ips:
raise HTTPException(
status_code=404,
detail="No proxies available that are not in the exclude list",
)
return ProxyResponse(
**{
**proxy.__dict__,
"last_validated": proxy.last_validated.isoformat()
if proxy.last_validated
else None,
}
)
class ProxyTestRequest(BaseModel):
proxy_url: str
target_url: str = "https://www.google.com"
timeout: int = 5
class ProxyTestResponse(BaseModel):
proxy_url: str
target_url: str
working: bool
latency_ms: Optional[int]
status_code: Optional[int]
error: Optional[str]
tested_at: str
@router.post("/proxies/test", response_model=ProxyTestResponse)
@limiter.limit("10/minute") # Rate limit: 10 tests per minute to prevent abuse
async def test_proxy(request: Request, test_request: ProxyTestRequest):
"""
Test if a proxy works by making a request through it.
This endpoint is rate-limited to prevent abuse.
Free tier: 10 tests per minute.
"""
tested_at = datetime.utcnow().isoformat()
try:
# Parse proxy URL
if not test_request.proxy_url.startswith(("http://", "https://", "socks5://")):
raise HTTPException(
status_code=400,
detail="Invalid proxy URL. Must start with http://, https://, or socks5://",
)
start_time = time.time()
# Create aiohttp session with proxy
timeout_config = aiohttp.ClientTimeout(total=test_request.timeout)
async with aiohttp.ClientSession(timeout=timeout_config) as session:
try:
async with session.get(
test_request.target_url,
proxy=test_request.proxy_url,
ssl=False, # Skip SSL verification for testing
) as response:
latency_ms = int((time.time() - start_time) * 1000)
return ProxyTestResponse(
proxy_url=test_request.proxy_url,
target_url=test_request.target_url,
working=True,
latency_ms=latency_ms,
status_code=response.status,
error=None,
tested_at=tested_at,
)
except aiohttp.ClientError as e:
return ProxyTestResponse(
proxy_url=test_request.proxy_url,
target_url=test_request.target_url,
working=False,
latency_ms=None,
status_code=None,
error=f"Connection error: {str(e)}",
tested_at=tested_at,
)
except asyncio.TimeoutError:
return ProxyTestResponse(
proxy_url=test_request.proxy_url,
target_url=test_request.target_url,
working=False,
latency_ms=None,
status_code=None,
error="Connection timeout",
tested_at=tested_at,
)
@router.delete("/proxies/{proxy_id}", status_code=status.HTTP_204_NO_CONTENT)
@limiter.limit("30/minute")
async def delete_proxy(
request: Request,
proxy_id: int,
session: AsyncSession = Depends(get_db),
admin_user=Depends(require_admin),
):
success = await db_storage.delete_proxy(session, proxy_id)
if not success:
raise HTTPException(status_code=404, detail="Proxy not found")
return None
|