separate files, add gzip, save screenshots on exception, add PROXY support

.gitignore

@@ -165,7 +165,7 @@ cython_debug/
 core
 
 # Screenshots
-*.png
+screenshots/
 
 # Downloaded files
 downloaded_files/

README.md

@@ -27,8 +27,9 @@ An alternative to [FlareSolverr](https://github.com/FlareSolverr/FlareSolverr) a
 
 | Env            | Default                | Description                                                                                                                     |
 | -------------- | ---------------------- | ------------------------------------------------------------------------------------------------------------------------------- |
-| `USE_XVFB`     | `false`                | Use virtual desktop with Xvfb. (Linux only) (Can cause performance hog [#14](https://github.com/ThePhaseless/Byparr/issues/14)) |
+| `USE_XVFB`     | `SeleniumBase default` | Use virtual desktop with Xvfb. (Linux only) (Can cause performance hog [#14](https://github.com/ThePhaseless/Byparr/issues/14)) |
-| `USE_HEADLESS` | `true/false on docker` | Use headless  chromium.                                                                                                         |
+| `USE_HEADLESS` | `SeleniumBase default` | Use headless  chromium.                                                                                                         |
+| `PROXY`        | ``                     | Proxy to use. (format: `username:password@host:port`)                                                                           |
 
 ## Tags
 

compose.yaml

@@ -6,5 +6,7 @@ services:
       dockerfile: Dockerfile
     environment:
       - LOG_LEVEL=INFO
+    volumes:
+      - ./screenshots:/app/screenshots # For screenshots when exception occurs
     ports:
       - "8191:8191"

main.py

@@ -1,132 +1,20 @@
 from __future__ import annotations
 
 import logging
-import time
-from http import HTTPStatus
 
 import uvicorn
-from bs4 import BeautifulSoup
+from fastapi import FastAPI
-from fastapi import FastAPI, HTTPException
+from fastapi.middleware.gzip import GZipMiddleware
-from fastapi.responses import RedirectResponse
-from sbase import SB, BaseCase
 
-import src
+from src.consts import LOG_LEVEL
-import src.utils
+from src.endpoints import router
-import src.utils.consts
+from src.middlewares import LogRequest
-from src.models.requests import LinkRequest, LinkResponse, Solution
-from src.utils import logger
-from src.utils.consts import LOG_LEVEL, USE_HEADLESS, USE_XVFB
 
 app = FastAPI(debug=LOG_LEVEL == logging.DEBUG, log_level=LOG_LEVEL)
+app.add_middleware(GZipMiddleware)
+app.add_middleware(LogRequest)
 
-cookies = []
+app.include_router(router=router)
-
-
-@app.get("/")
-def read_root():
-    """Redirect to /docs."""
-    logger.debug("Redirecting to /docs")
-    return RedirectResponse(url="/docs", status_code=301)
-
-
-@app.get("/health")
-async def health_check():
-    """Health check endpoint."""
-    health_check_request = read_item(
-        LinkRequest.model_construct(url="https://prowlarr.servarr.com/v1/ping")
-    )
-
-    if health_check_request.solution.status != HTTPStatus.OK:
-        raise HTTPException(
-            status_code=500,
-            detail="Health check failed",
-        )
-
-    return {"status": "ok"}
-
-
-@app.post("/v1")
-def read_item(request: LinkRequest) -> LinkResponse:
-    """Handle POST requests."""
-    start_time = int(time.time() * 1000)
-    # request.url = "https://nowsecure.nl"
-    logger.info(f"Request: {request}")
-
-    # Check is string is url
-    if not (request.url.startswith("http://") or request.url.startswith("https://")):
-        return LinkResponse.invalid(request.url)
-
-    response: LinkResponse
-
-    # start_time = int(time.time() * 1000)
-    with SB(
-        uc=True,
-        locale_code="en",
-        test=False,
-        ad_block=True,
-        xvfb=USE_XVFB,
-        headless=USE_HEADLESS,
-    ) as sb:
-        try:
-            sb: BaseCase
-            global cookies  # noqa: PLW0603
-            if cookies:
-                sb.uc_open_with_reconnect(request.url)
-                sb.add_cookies(cookies)
-            sb.uc_open_with_reconnect(request.url)
-            source = sb.get_page_source()
-            source_bs = BeautifulSoup(source, "html.parser")
-            title_tag = source_bs.title
-            logger.debug(f"Got webpage: {request.url}")
-            if title_tag and title_tag.string in src.utils.consts.CHALLENGE_TITLES:
-                logger.debug("Challenge detected")
-                sb.uc_gui_click_captcha()
-                logger.info("Clicked captcha")
-
-            source = sb.get_page_source()
-            source_bs = BeautifulSoup(source, "html.parser")
-            title_tag = source_bs.title
-
-            if title_tag and title_tag.string in src.utils.consts.CHALLENGE_TITLES:
-                sb.save_screenshot(f"./screenshots/{request.url}.png")
-                raise_captcha_bypass_error()
-
-            response = LinkResponse(
-                message="Success",
-                solution=Solution(
-                    userAgent=sb.get_user_agent(),
-                    url=sb.get_current_url(),
-                    status=200,
-                    cookies=sb.get_cookies(),
-                    headers={},
-                    response=source,
-                ),
-                startTimestamp=start_time,
-            )
-            cookies = sb.get_cookies()
-        except Exception as e:
-            logger.error(f"Error: {e}")
-            if sb.driver:
-                sb.driver.quit()
-            raise HTTPException(
-                status_code=500, detail="Unknown error, check logs"
-            ) from e
-
-    return response
-
-
-def raise_captcha_bypass_error():
-    """
-    Raise a 500 error if the challenge could not be bypassed.
-
-    This function should be called if the challenge is not bypassed after
-    clicking the captcha.
-
-    Returns:
-        None
-
-    """
-    raise HTTPException(status_code=500, detail="Could not bypass challenge")
 
 
 if __name__ == "__main__":

src/consts.py

@@ -27,8 +27,13 @@ LOG_LEVEL = logging.getLevelNamesMapping()[LOG_LEVEL.upper()]
 
 VERSION = get_version_from_env() or "unknown"
 
-USE_XVFB = os.getenv("USE_XVFB", "false") in ["true", "1"]
+USE_XVFB = os.getenv("USE_XVFB") in ["true", "1"] if os.getenv("USE_XVFB") else None
-USE_HEADLESS = os.getenv("USE_HEADLESS", "true").lower() in ["true", "1"]
+
+USE_HEADLESS = (
+    os.getenv("USE_HEADLESS") in ["true", "1"] if os.getenv("USE_HEADLESS") else None
+)
+
+PROXY = os.getenv("PROXY")
 
 CHALLENGE_TITLES = [
     # Cloudflare

src/endpoints.py

@@ -0,0 +1,78 @@
+import time
+from http import HTTPStatus
+from typing import Annotated
+
+from fastapi import APIRouter, Depends, HTTPException
+from fastapi.responses import RedirectResponse
+from sbase import BaseCase
+
+from src.consts import CHALLENGE_TITLES
+from src.models import (
+    LinkRequest,
+    LinkResponse,
+    Solution,
+)
+
+from .utils import get_sb, logger, save_screenshot
+
+router = APIRouter()
+
+SeleniumDep = Annotated[BaseCase, Depends(get_sb)]
+
+
+@router.get("/", include_in_schema=False)
+def read_root():
+    """Redirect to /docs."""
+    logger.debug("Redirecting to /docs")
+    return RedirectResponse(url="/docs", status_code=301)
+
+
+@router.get("/health")
+def health_check(sb: SeleniumDep):
+    """Health check endpoint."""
+    health_check_request = read_item(
+        LinkRequest.model_construct(url="https://prowlarr.servarr.com/v1/ping"),
+        sb,
+    )
+
+    if health_check_request.solution.status != HTTPStatus.OK:
+        raise HTTPException(
+            status_code=500,
+            detail="Health check failed",
+        )
+
+    return {"status": "ok"}
+
+
+@router.post("/v1")
+def read_item(request: LinkRequest, sb: SeleniumDep) -> LinkResponse:
+    """Handle POST requests."""
+    start_time = int(time.time() * 1000)
+    sb.uc_open_with_reconnect(request.url)
+    logger.debug(f"Got webpage: {request.url}")
+    source_bs = sb.get_beautiful_soup()
+    title_tag = source_bs.title
+    if title_tag and title_tag.string in CHALLENGE_TITLES:
+        logger.debug("Challenge detected")
+        sb.uc_gui_click_captcha()
+        logger.info("Clicked captcha")
+
+    source_bs = sb.get_beautiful_soup()
+    title_tag = source_bs.title
+
+    if title_tag and title_tag.string in CHALLENGE_TITLES:
+        save_screenshot(sb)
+        raise HTTPException(status_code=500, detail="Could not bypass challenge")
+
+    return LinkResponse(
+        message="Success",
+        solution=Solution(
+            userAgent=sb.get_user_agent(),
+            url=sb.get_current_url(),
+            status=200,
+            cookies=sb.get_cookies(),
+            headers={},
+            response=str(source_bs),
+        ),
+        start_timestamp=start_time,
+    )

src/middlewares.py

@@ -0,0 +1,24 @@
+import time
+
+from starlette.middleware.base import BaseHTTPMiddleware
+
+from src.models import LinkRequest
+from src.utils import logger
+
+
+class LogRequest(BaseHTTPMiddleware):
+    async def dispatch(self, request, call_next):
+        """Log requests."""
+        if request.url.path != "/v1":
+            return await call_next(request)
+
+        start_time = time.perf_counter()
+        request_body = LinkRequest.model_validate(await request.json())
+        logger.info(
+            f"From: {request.client.host if request.client else 'unknown'} at {time.strftime('%Y-%m-%d %H:%M:%S')}: {request_body.url}"
+        )
+        response = await call_next(request)
+        process_time = time.perf_counter() - start_time
+
+        logger.info(f"Done {request_body.url} in {process_time:.2f}s")
+        return response

src/models.py

@@ -2,21 +2,24 @@ from __future__ import annotations
 
 import time
 from http import HTTPStatus
-from typing import Any
+from typing import Annotated, Any
 
-from pydantic import BaseModel, Field
+from fastapi import Body
+from pydantic import BaseModel
 
-from src.utils import consts
+from src import consts
 
 
 class LinkRequest(BaseModel):
-    cmd: str = "get"
+    cmd: Annotated[
-    url: str
+        str,
-    max_timeout: int = Field(30, alias="maxTimeout")
+        Body(
-
+            default="request.get",
-
+            description="Type of request, currently only supports GET requests. This string is purely for compatibility with FlareSolverr.",
-class ProtectionTriggeredError(Exception):
+        ),
-    pass
+    ]
+    url: Annotated[str, Body(pattern=r"^https?://", default="https://")]
+    max_timeout: Annotated[int, Body(default=60)]
 
 
 class Solution(BaseModel):
@@ -48,8 +51,10 @@ class LinkResponse(BaseModel):
     status: str = "ok"
     message: str
     solution: Solution
-    startTimestamp: int  # noqa: N815 # Ignore to preserve compatibility
+    start_timestamp: Annotated[int, Body(alias="startTimestamp")] = int(
-    endTimestamp: int = int(time.time() * 1000)  # noqa: N815 # Ignore to preserve compatibility
+        time.time() * 1000
+    )
+    end_timestamp: Annotated[int, Body(alias="endTimestamp")] = int(time.time() * 1000)
     version: str = consts.VERSION
 
     @classmethod
@@ -63,10 +68,6 @@ class LinkResponse(BaseModel):
             status="error",
             message="Invalid request",
             solution=Solution.invalid(url),
-            startTimestamp=int(time.time() * 1000),
+            start_timestamp=int(time.time() * 1000),
-            endTimestamp=int(time.time() * 1000),
+            end_timestamp=int(time.time() * 1000),
         )
-
-
-class NoChromeExtensionError(Exception):
-    """No chrome extension found."""

src/models/github.py

@@ -1,95 +0,0 @@
-from __future__ import annotations
-
-from pydantic import BaseModel
-
-
-class Author(BaseModel):
-    login: str
-    id: int
-    node_id: str
-    avatar_url: str
-    gravatar_id: str
-    url: str
-    html_url: str
-    followers_url: str
-    following_url: str
-    gists_url: str
-    starred_url: str
-    subscriptions_url: str
-    organizations_url: str
-    repos_url: str
-    events_url: str
-    received_events_url: str
-    type: str
-    site_admin: bool
-
-
-class Uploader(BaseModel):
-    login: str
-    id: int
-    node_id: str
-    avatar_url: str
-    gravatar_id: str
-    url: str
-    html_url: str
-    followers_url: str
-    following_url: str
-    gists_url: str
-    starred_url: str
-    subscriptions_url: str
-    organizations_url: str
-    repos_url: str
-    events_url: str
-    received_events_url: str
-    type: str
-    site_admin: bool
-
-
-class Asset(BaseModel):
-    url: str
-    id: int
-    node_id: str
-    name: str
-    label: str | None
-    uploader: Uploader
-    content_type: str
-    state: str
-    size: int
-    download_count: int
-    created_at: str
-    updated_at: str
-    browser_download_url: str
-
-
-class Reactions(BaseModel):
-    url: str
-    total_count: int
-
-    laugh: int
-    hooray: int
-    confused: int
-    heart: int
-    rocket: int
-    eyes: int
-
-
-class GithubResponse(BaseModel):
-    url: str
-    assets_url: str
-    upload_url: str
-    html_url: str
-    id: int
-    author: Author
-    node_id: str
-    tag_name: str
-    target_commitish: str
-    name: str
-    draft: bool
-    prerelease: bool
-    created_at: str
-    published_at: str
-    assets: list[Asset]
-    tarball_url: str
-    zipball_url: str
-    body: str
-    reactions: Reactions

src/utils.py

@@ -0,0 +1,36 @@
+import logging
+from time import gmtime, strftime
+
+from fastapi import Header
+from sbase import SB, BaseCase
+
+from src.consts import LOG_LEVEL, PROXY, USE_HEADLESS
+
+logger = logging.getLogger("uvicorn.error")
+logger.setLevel(LOG_LEVEL)
+if len(logger.handlers) == 0:
+    logger.addHandler(logging.StreamHandler())
+
+
+def get_sb(
+    proxy: str | None = Header(
+        default=None,
+        example="username:password@host:port",
+        description="Override default proxy from env",
+    ),
+):
+    """Get SeleniumBase instance."""
+    with SB(
+        uc=True,
+        headless=USE_HEADLESS,
+        headed=not USE_HEADLESS,
+        locale_code="en",
+        ad_block=True,
+        proxy=proxy or PROXY,
+    ) as sb:
+        yield sb
+
+
+def save_screenshot(sb: BaseCase):
+    """Save screenshot on HTTPException."""
+    sb.save_screenshot(f"screenshots/{strftime('%Y-%m-%d %H:%M:%S', gmtime())}.png")

src/utils/__init__.py

@@ -1,8 +0,0 @@
-import logging
-
-from src.utils.consts import LOG_LEVEL
-
-logger = logging.getLogger("uvicorn.error")
-logger.setLevel(LOG_LEVEL)
-if len(logger.handlers) == 0:
-    logger.addHandler(logging.StreamHandler())

test.sh

@@ -1,3 +1,3 @@
 #!/bin/sh
 
-uv run pytest --retries 3 -n auto
+uv run pytest --retries 3

tests/main_test.py

@@ -5,7 +5,7 @@ import pytest
 from starlette.testclient import TestClient
 
 from main import app
-from src.models.requests import LinkRequest
+from src.models import LinkRequest
 
 client = TestClient(app)
 
@@ -29,16 +29,19 @@ def test_bypass(website: str):
         website,
     )
     if (
-        test_request.status_code != HTTPStatus.OK
+        test_request.status_code == HTTPStatus.OK
         and "Just a moment..." not in test_request.text
     ):
         pytest.skip(f"Skipping {website} due to {test_request.status_code}")
 
     response = client.post(
         "/v1",
-        json=LinkRequest.model_construct(
+        json={
+            **LinkRequest.model_construct(
                 url=website, max_timeout=30, cmd="request.get"
             ).model_dump(),
+            "proxy": "203.174.15.83:8080",
+        },
     )
 
     assert response.status_code == HTTPStatus.OK