332 lines
13 KiB
Python
332 lines
13 KiB
Python
from fastapi import APIRouter, UploadFile, File, HTTPException, Request, BackgroundTasks, Depends
|
|
from app.core.config import settings
|
|
from app.core.deps import get_current_user
|
|
from app.services.storage import storage_service
|
|
import re
|
|
import time
|
|
import traceback
|
|
import os
|
|
import aiofiles
|
|
from pathlib import Path
|
|
from loguru import logger
|
|
|
|
router = APIRouter()
|
|
|
|
def sanitize_filename(filename: str) -> str:
|
|
safe_name = re.sub(r'[<>:"/\\|?*]', '_', filename)
|
|
if len(safe_name) > 100:
|
|
ext = Path(safe_name).suffix
|
|
safe_name = safe_name[:100 - len(ext)] + ext
|
|
return safe_name
|
|
|
|
async def process_and_upload(temp_file_path: str, original_filename: str, content_type: str, user_id: str):
|
|
"""Background task to strip multipart headers and upload to Supabase"""
|
|
try:
|
|
logger.info(f"Processing raw upload: {temp_file_path} for user {user_id}")
|
|
|
|
# 1. Analyze file to find actual video content (strip multipart boundaries)
|
|
# This is a simplified manual parser for a SINGLE file upload.
|
|
# Structure:
|
|
# --boundary
|
|
# Content-Disposition: form-data; name="file"; filename="..."
|
|
# Content-Type: video/mp4
|
|
# \r\n\r\n
|
|
# [DATA]
|
|
# \r\n--boundary--
|
|
|
|
# We need to read the first few KB to find the header end
|
|
start_offset = 0
|
|
end_offset = 0
|
|
boundary = b""
|
|
|
|
file_size = os.path.getsize(temp_file_path)
|
|
|
|
with open(temp_file_path, 'rb') as f:
|
|
# Read first 4KB to find header
|
|
head = f.read(4096)
|
|
|
|
# Find boundary
|
|
first_line_end = head.find(b'\r\n')
|
|
if first_line_end == -1:
|
|
raise Exception("Could not find boundary in multipart body")
|
|
|
|
boundary = head[:first_line_end] # e.g. --boundary123
|
|
logger.info(f"Detected boundary: {boundary}")
|
|
|
|
# Find end of headers (\r\n\r\n)
|
|
header_end = head.find(b'\r\n\r\n')
|
|
if header_end == -1:
|
|
raise Exception("Could not find end of multipart headers")
|
|
|
|
start_offset = header_end + 4
|
|
logger.info(f"Video data starts at offset: {start_offset}")
|
|
|
|
# Find end boundary (read from end of file)
|
|
# It should be \r\n + boundary + -- + \r\n
|
|
# We seek to end-200 bytes
|
|
f.seek(max(0, file_size - 200))
|
|
tail = f.read()
|
|
|
|
# The closing boundary is usually --boundary--
|
|
# We look for the last occurrence of the boundary
|
|
last_boundary_pos = tail.rfind(boundary)
|
|
if last_boundary_pos != -1:
|
|
# The data ends before \r\n + boundary
|
|
# The tail buffer relative position needs to be converted to absolute
|
|
end_pos_in_tail = last_boundary_pos
|
|
# We also need to check for the preceding \r\n
|
|
if end_pos_in_tail >= 2 and tail[end_pos_in_tail-2:end_pos_in_tail] == b'\r\n':
|
|
end_pos_in_tail -= 2
|
|
|
|
# Absolute end offset
|
|
end_offset = (file_size - 200) + last_boundary_pos
|
|
# Correction for CRLF before boundary
|
|
# Actually, simply: read until (file_size - len(tail) + last_boundary_pos) - 2
|
|
end_offset = (max(0, file_size - 200) + last_boundary_pos) - 2
|
|
else:
|
|
logger.warning("Could not find closing boundary, assuming EOF")
|
|
end_offset = file_size
|
|
|
|
logger.info(f"Video data ends at offset: {end_offset}. Total video size: {end_offset - start_offset}")
|
|
|
|
# 2. Extract and Upload to Supabase
|
|
# Since we have the file on disk, we can just pass the file object (seeked) to upload_file?
|
|
# Or if upload_file expects bytes/path, checking storage.py...
|
|
# It takes `file_data` (bytes) or file-like?
|
|
# supabase-py's `upload` method handles parsing if we pass a file object.
|
|
# But we need to pass ONLY the video slice.
|
|
# So we create a generator or a sliced file object?
|
|
# Simpler: Read the slice into memory if < 1GB? Or copy to new temp file?
|
|
# Copying to new temp file is safer for memory.
|
|
|
|
video_path = temp_file_path + "_video.mp4"
|
|
with open(temp_file_path, 'rb') as src, open(video_path, 'wb') as dst:
|
|
src.seek(start_offset)
|
|
# Copy in chunks
|
|
bytes_to_copy = end_offset - start_offset
|
|
copied = 0
|
|
while copied < bytes_to_copy:
|
|
chunk_size = min(1024*1024*10, bytes_to_copy - copied) # 10MB chunks
|
|
chunk = src.read(chunk_size)
|
|
if not chunk:
|
|
break
|
|
dst.write(chunk)
|
|
copied += len(chunk)
|
|
|
|
logger.info(f"Extracted video content to {video_path}")
|
|
|
|
# 3. Upload to Supabase with user isolation
|
|
timestamp = int(time.time())
|
|
safe_name = re.sub(r'[^a-zA-Z0-9._-]', '', original_filename)
|
|
# 使用 user_id 作为目录前缀实现隔离
|
|
storage_path = f"{user_id}/{timestamp}_{safe_name}"
|
|
|
|
# Use storage service (this calls Supabase which might do its own http request)
|
|
# We read the cleaned video file
|
|
with open(video_path, 'rb') as f:
|
|
file_content = f.read() # Still reading into memory for simple upload call, but server has 32GB RAM so ok for 500MB
|
|
await storage_service.upload_file(
|
|
bucket=storage_service.BUCKET_MATERIALS,
|
|
path=storage_path,
|
|
file_data=file_content,
|
|
content_type=content_type
|
|
)
|
|
|
|
logger.info(f"Upload to Supabase complete: {storage_path}")
|
|
|
|
# Cleanup
|
|
os.remove(temp_file_path)
|
|
os.remove(video_path)
|
|
|
|
return storage_path
|
|
|
|
except Exception as e:
|
|
logger.error(f"Background upload processing failed: {e}\n{traceback.format_exc()}")
|
|
raise
|
|
|
|
|
|
@router.post("")
|
|
async def upload_material(
|
|
request: Request,
|
|
background_tasks: BackgroundTasks,
|
|
current_user: dict = Depends(get_current_user)
|
|
):
|
|
user_id = current_user["id"]
|
|
logger.info(f"ENTERED upload_material (Streaming Mode) for user {user_id}. Headers: {request.headers}")
|
|
|
|
filename = "unknown_video.mp4" # Fallback
|
|
content_type = "video/mp4"
|
|
|
|
# Try to parse filename from header if possible (unreliable in raw stream)
|
|
# We will rely on post-processing or client hint
|
|
# Frontend sends standard multipart.
|
|
|
|
# Create temp file
|
|
timestamp = int(time.time())
|
|
temp_filename = f"upload_{timestamp}.raw"
|
|
temp_path = os.path.join("/tmp", temp_filename) # Use /tmp on Linux
|
|
# Ensure /tmp exists (it does) but verify paths
|
|
if os.name == 'nt': # Local dev
|
|
temp_path = f"d:/tmp/{temp_filename}"
|
|
os.makedirs("d:/tmp", exist_ok=True)
|
|
|
|
try:
|
|
total_size = 0
|
|
last_log = 0
|
|
|
|
async with aiofiles.open(temp_path, 'wb') as f:
|
|
async for chunk in request.stream():
|
|
await f.write(chunk)
|
|
total_size += len(chunk)
|
|
|
|
# Log progress every 20MB
|
|
if total_size - last_log > 20 * 1024 * 1024:
|
|
logger.info(f"Receiving stream... Processed {total_size / (1024*1024):.2f} MB")
|
|
last_log = total_size
|
|
|
|
logger.info(f"Stream reception complete. Total size: {total_size} bytes. Saved to {temp_path}")
|
|
|
|
if total_size == 0:
|
|
raise HTTPException(400, "Received empty body")
|
|
|
|
# Attempt to extract filename from the saved file's first bytes?
|
|
# Or just accept it as "uploaded_video.mp4" for now to prove it works.
|
|
# We can try to regex the header in the file content we just wrote.
|
|
# Implemented in background task to return success immediately.
|
|
|
|
# Wait, if we return immediately, the user's UI might not show the file yet?
|
|
# The prompt says "Wait for upload".
|
|
# But to avoid User Waiting Timeout, maybe returning early is better?
|
|
# NO, user expects the file to be in the list.
|
|
# So we Must await the processing.
|
|
# But "Processing" (Strip + Upload to Supabase) takes time.
|
|
# Receiving took time.
|
|
# If we await Supabase upload, does it timeout?
|
|
# Supabase upload is outgoing. Usually faster/stable.
|
|
|
|
# Let's await the processing to ensure "List Materials" shows it.
|
|
# We need to extract the filename for the list.
|
|
|
|
# Quick extract filename from first 4kb
|
|
with open(temp_path, 'rb') as f:
|
|
head = f.read(4096).decode('utf-8', errors='ignore')
|
|
match = re.search(r'filename="([^"]+)"', head)
|
|
if match:
|
|
filename = match.group(1)
|
|
logger.info(f"Extracted filename from body: {filename}")
|
|
|
|
# Run processing sync (in await)
|
|
storage_path = await process_and_upload(temp_path, filename, content_type, user_id)
|
|
|
|
# Get signed URL (it exists now)
|
|
signed_url = await storage_service.get_signed_url(
|
|
bucket=storage_service.BUCKET_MATERIALS,
|
|
path=storage_path
|
|
)
|
|
|
|
size_mb = total_size / (1024 * 1024) # Approximate (includes headers)
|
|
|
|
# 从 storage_path 提取显示名
|
|
display_name = storage_path.split('/')[-1] # 去掉 user_id 前缀
|
|
if '_' in display_name:
|
|
parts = display_name.split('_', 1)
|
|
if parts[0].isdigit():
|
|
display_name = parts[1]
|
|
|
|
return {
|
|
"id": storage_path,
|
|
"name": display_name,
|
|
"path": signed_url,
|
|
"size_mb": size_mb,
|
|
"type": "video"
|
|
}
|
|
|
|
except Exception as e:
|
|
error_msg = f"Streaming upload failed: {str(e)}"
|
|
detail_msg = f"Exception: {repr(e)}\nArgs: {e.args}\n{traceback.format_exc()}"
|
|
logger.error(error_msg + "\n" + detail_msg)
|
|
|
|
# Write to debug file
|
|
try:
|
|
with open("debug_upload.log", "a") as logf:
|
|
logf.write(f"\n--- Error at {time.ctime()} ---\n")
|
|
logf.write(detail_msg)
|
|
logf.write("\n-----------------------------\n")
|
|
except:
|
|
pass
|
|
|
|
if os.path.exists(temp_path):
|
|
try:
|
|
os.remove(temp_path)
|
|
except:
|
|
pass
|
|
raise HTTPException(500, f"Upload failed. Check server logs. Error: {str(e)}")
|
|
|
|
|
|
@router.get("")
|
|
async def list_materials(current_user: dict = Depends(get_current_user)):
|
|
user_id = current_user["id"]
|
|
try:
|
|
# 只列出当前用户目录下的文件
|
|
files_obj = await storage_service.list_files(
|
|
bucket=storage_service.BUCKET_MATERIALS,
|
|
path=user_id
|
|
)
|
|
materials = []
|
|
for f in files_obj:
|
|
name = f.get('name')
|
|
if not name or name == '.emptyFolderPlaceholder':
|
|
continue
|
|
display_name = name
|
|
if '_' in name:
|
|
parts = name.split('_', 1)
|
|
if parts[0].isdigit():
|
|
display_name = parts[1]
|
|
# 完整路径包含 user_id
|
|
full_path = f"{user_id}/{name}"
|
|
signed_url = await storage_service.get_signed_url(
|
|
bucket=storage_service.BUCKET_MATERIALS,
|
|
path=full_path
|
|
)
|
|
metadata = f.get('metadata', {})
|
|
size = metadata.get('size', 0)
|
|
# created_at 在顶层，是 ISO 字符串
|
|
created_at_str = f.get('created_at', '')
|
|
created_at = 0
|
|
if created_at_str:
|
|
from datetime import datetime
|
|
try:
|
|
dt = datetime.fromisoformat(created_at_str.replace('Z', '+00:00'))
|
|
created_at = int(dt.timestamp())
|
|
except:
|
|
pass
|
|
materials.append({
|
|
"id": full_path, # ID 使用完整路径
|
|
"name": display_name,
|
|
"path": signed_url,
|
|
"size_mb": size / (1024 * 1024),
|
|
"type": "video",
|
|
"created_at": created_at
|
|
})
|
|
materials.sort(key=lambda x: x['id'], reverse=True)
|
|
return {"materials": materials}
|
|
except Exception as e:
|
|
logger.error(f"List materials failed: {e}")
|
|
return {"materials": []}
|
|
|
|
|
|
@router.delete("/{material_id:path}")
|
|
async def delete_material(material_id: str, current_user: dict = Depends(get_current_user)):
|
|
user_id = current_user["id"]
|
|
# 验证 material_id 属于当前用户
|
|
if not material_id.startswith(f"{user_id}/"):
|
|
raise HTTPException(403, "无权删除此素材")
|
|
try:
|
|
await storage_service.delete_file(
|
|
bucket=storage_service.BUCKET_MATERIALS,
|
|
path=material_id
|
|
)
|
|
return {"success": True, "message": "素材已删除"}
|
|
except Exception as e:
|
|
raise HTTPException(500, f"删除失败: {str(e)}")
|