dify/api/services/website_service.py

237 lines
12 KiB
Python

import datetime
import json
import requests
from flask_login import current_user
from core.helper import encrypter
from core.rag.extractor.firecrawl.firecrawl_app import FirecrawlApp
from extensions.ext_redis import redis_client
from extensions.ext_storage import storage
from services.auth.api_key_auth_service import ApiKeyAuthService
class WebsiteService:
@classmethod
def document_create_args_validate(cls, args: dict):
if "url" not in args or not args["url"]:
raise ValueError("url is required")
if "options" not in args or not args["options"]:
raise ValueError("options is required")
if "limit" not in args["options"] or not args["options"]["limit"]:
raise ValueError("limit is required")
@classmethod
def crawl_url(cls, args: dict) -> dict:
provider = args.get("provider")
url = args.get("url")
options = args.get("options")
credentials = ApiKeyAuthService.get_auth_credentials(current_user.current_tenant_id, "website", provider)
if provider == "firecrawl":
# decrypt api_key
api_key = encrypter.decrypt_token(
tenant_id=current_user.current_tenant_id, token=credentials.get("config").get("api_key")
)
firecrawl_app = FirecrawlApp(api_key=api_key, base_url=credentials.get("config").get("base_url", None))
crawl_sub_pages = options.get("crawl_sub_pages", False)
only_main_content = options.get("only_main_content", False)
if not crawl_sub_pages:
params = {
"crawlerOptions": {
"includes": [],
"excludes": [],
"generateImgAltText": True,
"limit": 1,
"returnOnlyUrls": False,
"pageOptions": {"onlyMainContent": only_main_content, "includeHtml": False},
}
}
else:
includes = options.get("includes").split(",") if options.get("includes") else []
excludes = options.get("excludes").split(",") if options.get("excludes") else []
params = {
"crawlerOptions": {
"includes": includes or [],
"excludes": excludes or [],
"generateImgAltText": True,
"limit": options.get("limit", 1),
"returnOnlyUrls": False,
"pageOptions": {"onlyMainContent": only_main_content, "includeHtml": False},
}
}
if options.get("max_depth"):
params["crawlerOptions"]["maxDepth"] = options.get("max_depth")
job_id = firecrawl_app.crawl_url(url, params)
website_crawl_time_cache_key = f"website_crawl_{job_id}"
time = str(datetime.datetime.now().timestamp())
redis_client.setex(website_crawl_time_cache_key, 3600, time)
return {"status": "active", "job_id": job_id}
elif provider == "jinareader":
api_key = encrypter.decrypt_token(
tenant_id=current_user.current_tenant_id, token=credentials.get("config").get("api_key")
)
crawl_sub_pages = options.get("crawl_sub_pages", False)
if not crawl_sub_pages:
response = requests.get(
f"https://r.jina.ai/{url}",
headers={"Accept": "application/json", "Authorization": f"Bearer {api_key}"},
)
if response.json().get("code") != 200:
raise ValueError("Failed to crawl")
return {"status": "active", "data": response.json().get("data")}
else:
response = requests.post(
"https://adaptivecrawl-kir3wx7b3a-uc.a.run.app",
json={
"url": url,
"maxPages": options.get("limit", 1),
"useSitemap": options.get("use_sitemap", True),
},
headers={
"Content-Type": "application/json",
"Authorization": f"Bearer {api_key}",
},
)
if response.json().get("code") != 200:
raise ValueError("Failed to crawl")
return {"status": "active", "job_id": response.json().get("data", {}).get("taskId")}
else:
raise ValueError("Invalid provider")
@classmethod
def get_crawl_status(cls, job_id: str, provider: str) -> dict:
credentials = ApiKeyAuthService.get_auth_credentials(current_user.current_tenant_id, "website", provider)
if provider == "firecrawl":
# decrypt api_key
api_key = encrypter.decrypt_token(
tenant_id=current_user.current_tenant_id, token=credentials.get("config").get("api_key")
)
firecrawl_app = FirecrawlApp(api_key=api_key, base_url=credentials.get("config").get("base_url", None))
result = firecrawl_app.check_crawl_status(job_id)
crawl_status_data = {
"status": result.get("status", "active"),
"job_id": job_id,
"total": result.get("total", 0),
"current": result.get("current", 0),
"data": result.get("data", []),
}
if crawl_status_data["status"] == "completed":
website_crawl_time_cache_key = f"website_crawl_{job_id}"
start_time = redis_client.get(website_crawl_time_cache_key)
if start_time:
end_time = datetime.datetime.now().timestamp()
time_consuming = abs(end_time - float(start_time))
crawl_status_data["time_consuming"] = f"{time_consuming:.2f}"
redis_client.delete(website_crawl_time_cache_key)
elif provider == "jinareader":
api_key = encrypter.decrypt_token(
tenant_id=current_user.current_tenant_id, token=credentials.get("config").get("api_key")
)
response = requests.post(
"https://adaptivecrawlstatus-kir3wx7b3a-uc.a.run.app",
headers={"Content-Type": "application/json", "Authorization": f"Bearer {api_key}"},
json={"taskId": job_id},
)
data = response.json().get("data", {})
crawl_status_data = {
"status": data.get("status", "active"),
"job_id": job_id,
"total": len(data.get("urls", [])),
"current": len(data.get("processed", [])) + len(data.get("failed", [])),
"data": [],
"time_consuming": data.get("duration", 0) / 1000,
}
if crawl_status_data["status"] == "completed":
response = requests.post(
"https://adaptivecrawlstatus-kir3wx7b3a-uc.a.run.app",
headers={"Content-Type": "application/json", "Authorization": f"Bearer {api_key}"},
json={"taskId": job_id, "urls": list(data.get("processed", {}).keys())},
)
data = response.json().get("data", {})
formatted_data = [
{
"title": item.get("data", {}).get("title"),
"source_url": item.get("data", {}).get("url"),
"description": item.get("data", {}).get("description"),
"markdown": item.get("data", {}).get("content"),
}
for item in data.get("processed", {}).values()
]
crawl_status_data["data"] = formatted_data
else:
raise ValueError("Invalid provider")
return crawl_status_data
@classmethod
def get_crawl_url_data(cls, job_id: str, provider: str, url: str, tenant_id: str) -> dict | None:
credentials = ApiKeyAuthService.get_auth_credentials(tenant_id, "website", provider)
# decrypt api_key
api_key = encrypter.decrypt_token(tenant_id=tenant_id, token=credentials.get("config").get("api_key"))
if provider == "firecrawl":
file_key = "website_files/" + job_id + ".txt"
if storage.exists(file_key):
data = storage.load_once(file_key)
if data:
data = json.loads(data.decode("utf-8"))
else:
firecrawl_app = FirecrawlApp(api_key=api_key, base_url=credentials.get("config").get("base_url", None))
result = firecrawl_app.check_crawl_status(job_id)
if result.get("status") != "completed":
raise ValueError("Crawl job is not completed")
data = result.get("data")
if data:
for item in data:
if item.get("source_url") == url:
return item
return None
elif provider == "jinareader":
file_key = "website_files/" + job_id + ".txt"
if storage.exists(file_key):
data = storage.load_once(file_key)
if data:
data = json.loads(data.decode("utf-8"))
elif not job_id:
response = requests.get(
f"https://r.jina.ai/{url}",
headers={"Accept": "application/json", "Authorization": f"Bearer {api_key}"},
)
if response.json().get("code") != 200:
raise ValueError("Failed to crawl")
return response.json().get("data")
else:
api_key = encrypter.decrypt_token(tenant_id=tenant_id, token=credentials.get("config").get("api_key"))
response = requests.post(
"https://adaptivecrawlstatus-kir3wx7b3a-uc.a.run.app",
headers={"Content-Type": "application/json", "Authorization": f"Bearer {api_key}"},
json={"taskId": job_id},
)
data = response.json().get("data", {})
if data.get("status") != "completed":
raise ValueError("Crawl job is not completed")
response = requests.post(
"https://adaptivecrawlstatus-kir3wx7b3a-uc.a.run.app",
headers={"Content-Type": "application/json", "Authorization": f"Bearer {api_key}"},
json={"taskId": job_id, "urls": list(data.get("processed", {}).keys())},
)
data = response.json().get("data", {})
for item in data.get("processed", {}).values():
if item.get("data", {}).get("url") == url:
return item.get("data", {})
else:
raise ValueError("Invalid provider")
@classmethod
def get_scrape_url_data(cls, provider: str, url: str, tenant_id: str, only_main_content: bool) -> dict | None:
credentials = ApiKeyAuthService.get_auth_credentials(tenant_id, "website", provider)
if provider == "firecrawl":
# decrypt api_key
api_key = encrypter.decrypt_token(tenant_id=tenant_id, token=credentials.get("config").get("api_key"))
firecrawl_app = FirecrawlApp(api_key=api_key, base_url=credentials.get("config").get("base_url", None))
params = {"pageOptions": {"onlyMainContent": only_main_content, "includeHtml": False}}
result = firecrawl_app.scrape_url(url, params)
return result
else:
raise ValueError("Invalid provider")