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81 lines
3.1 KiB
Python
81 lines
3.1 KiB
Python
import urllib.parse
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import httpx
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from flask_restful import marshal_with, reqparse # type: ignore
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import services
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from controllers.common import helpers
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from controllers.common.errors import RemoteFileUploadError
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from controllers.web.wraps import WebApiResource
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from core.file import helpers as file_helpers
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from core.helper import ssrf_proxy
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from fields.file_fields import file_fields_with_signed_url, remote_file_info_fields
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from services.file_service import FileService
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from .error import FileTooLargeError, UnsupportedFileTypeError
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class RemoteFileInfoApi(WebApiResource):
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@marshal_with(remote_file_info_fields)
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def get(self, app_model, end_user, url):
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decoded_url = urllib.parse.unquote(url)
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resp = ssrf_proxy.head(decoded_url)
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if resp.status_code != httpx.codes.OK:
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# failed back to get method
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resp = ssrf_proxy.get(decoded_url, timeout=3)
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resp.raise_for_status()
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return {
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"file_type": resp.headers.get("Content-Type", "application/octet-stream"),
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"file_length": int(resp.headers.get("Content-Length", -1)),
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}
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class RemoteFileUploadApi(WebApiResource):
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@marshal_with(file_fields_with_signed_url)
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def post(self, app_model, end_user): # Add app_model and end_user parameters
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parser = reqparse.RequestParser()
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parser.add_argument("url", type=str, required=True, help="URL is required")
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args = parser.parse_args()
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url = args["url"]
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try:
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resp = ssrf_proxy.head(url=url)
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if resp.status_code != httpx.codes.OK:
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resp = ssrf_proxy.get(url=url, timeout=3, follow_redirects=True)
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if resp.status_code != httpx.codes.OK:
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raise RemoteFileUploadError(f"Failed to fetch file from {url}: {resp.text}")
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except httpx.RequestError as e:
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raise RemoteFileUploadError(f"Failed to fetch file from {url}: {str(e)}")
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file_info = helpers.guess_file_info_from_response(resp)
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if not FileService.is_file_size_within_limit(extension=file_info.extension, file_size=file_info.size):
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raise FileTooLargeError
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content = resp.content if resp.request.method == "GET" else ssrf_proxy.get(url).content
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try:
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upload_file = FileService.upload_file(
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filename=file_info.filename,
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content=content,
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mimetype=file_info.mimetype,
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user=end_user,
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source_url=url,
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)
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except services.errors.file.FileTooLargeError as file_too_large_error:
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raise FileTooLargeError(file_too_large_error.description)
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except services.errors.file.UnsupportedFileTypeError:
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raise UnsupportedFileTypeError
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return {
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"id": upload_file.id,
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"name": upload_file.name,
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"size": upload_file.size,
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"extension": upload_file.extension,
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"url": file_helpers.get_signed_file_url(upload_file_id=upload_file.id),
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"mime_type": upload_file.mime_type,
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"created_by": upload_file.created_by,
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"created_at": upload_file.created_at,
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}, 201
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