323 lines
15 KiB
Python
323 lines
15 KiB
Python
import os
|
||
import subprocess
|
||
import asyncio
|
||
from uuid import uuid4
|
||
from datetime import datetime
|
||
from mimetypes import guess_type
|
||
from base64 import b64decode
|
||
|
||
import aiofiles
|
||
from base58 import b58encode
|
||
from sanic import response
|
||
|
||
from app.core.logger import make_log
|
||
from app.core.models.node_storage import StoredContent
|
||
from app.core._config import UPLOADS_DIR
|
||
from app.core._utils.resolve_content import resolve_content
|
||
|
||
|
||
# POST /api/v1.5/storage
|
||
async def s_api_v1_5_storage_post(request):
|
||
# Log the receipt of a chunk upload request
|
||
make_log("uploader_v1.5", "Received chunk upload request", level="INFO")
|
||
|
||
# Get the provided file hash from header (hex format)
|
||
provided_hash_hex = request.headers.get("X-Content-SHA256")
|
||
if not provided_hash_hex:
|
||
make_log("uploader_v1.5", "Missing X-Content-SHA256 header", level="ERROR")
|
||
return response.json({"error": "Missing X-Content-SHA256 header"}, status=400)
|
||
try:
|
||
provided_hash_bytes = bytes.fromhex(provided_hash_hex)
|
||
provided_hash_b58 = b58encode(provided_hash_bytes).decode()
|
||
make_log("uploader_v1.5", f"Provided hash (base58): {provided_hash_b58}", level="INFO")
|
||
except Exception as e:
|
||
make_log("uploader_v1.5", f"Invalid X-Content-SHA256 header format: {e}", level="ERROR")
|
||
return response.json({"error": "Invalid X-Content-SHA256 header format"}, status=400)
|
||
|
||
existing = request.ctx.db_session.query(StoredContent).filter_by(hash=provided_hash_b58).first()
|
||
if existing:
|
||
make_log("uploader_v1.5", f"File with hash {provided_hash_b58} already exists in DB", level="INFO")
|
||
serialized_v2 = existing.cid.serialize_v2() # Get v2 content id
|
||
serialized_v1 = existing.cid.serialize_v1() # Get v1 content id
|
||
# Return early response since the file is already stored
|
||
return response.json({
|
||
"upload_id": request.headers.get("X-Upload-ID", str(uuid4())), # Use provided or generate a new upload_id
|
||
"content_sha256": provided_hash_b58,
|
||
"content_id": serialized_v2,
|
||
"content_id_v1": serialized_v1,
|
||
"content_url": f"dmy://storage?cid={serialized_v2}",
|
||
})
|
||
|
||
# Get the provided file name from header and decode it from base64
|
||
provided_filename_b64 = request.headers.get("X-File-Name")
|
||
if not provided_filename_b64:
|
||
make_log("uploader_v1.5", "Missing X-File-Name header", level="ERROR")
|
||
return response.json({"error": "Missing X-File-Name header"}, status=400)
|
||
try:
|
||
provided_filename = b64decode(provided_filename_b64).decode("utf-8")
|
||
except Exception as e:
|
||
make_log("uploader_v1.5", f"Invalid X-File-Name header: {e}", level="ERROR")
|
||
return response.json({"error": "Invalid X-File-Name header"}, status=400)
|
||
|
||
# Get X-Chunk-Start header (must be provided) and parse it as integer
|
||
chunk_start_header = request.headers.get("X-Chunk-Start")
|
||
if chunk_start_header is None:
|
||
make_log("uploader_v1.5", "Missing X-Chunk-Start header", level="ERROR")
|
||
return response.json({"error": "Missing X-Chunk-Start header"}, status=400)
|
||
try:
|
||
chunk_start = int(chunk_start_header)
|
||
except Exception as e:
|
||
make_log("uploader_v1.5", f"Invalid X-Chunk-Start header: {e}", level="ERROR")
|
||
return response.json({"error": "Invalid X-Chunk-Start header"}, status=400)
|
||
|
||
# Enforce maximum chunk size (80 MB) using Content-Length header if provided
|
||
max_chunk_size = 80 * 1024 * 1024 # 80 MB
|
||
content_length = request.headers.get("Content-Length")
|
||
if content_length is not None:
|
||
try:
|
||
content_length = int(content_length)
|
||
if content_length > max_chunk_size:
|
||
make_log("uploader_v1.5", f"Chunk size {content_length} exceeds maximum allowed", level="ERROR")
|
||
return response.json({"error": "Chunk size exceeds maximum allowed (80 MB)"}, status=400)
|
||
except:
|
||
pass
|
||
|
||
# Determine if this is a new upload or a continuation (resume)
|
||
upload_id = request.headers.get("X-Upload-ID")
|
||
is_new_upload = False
|
||
if not upload_id:
|
||
# New upload session: generate a new uuid
|
||
upload_id = str(uuid4())
|
||
is_new_upload = True
|
||
make_log("uploader_v1.5", f"Starting new upload session with ID: {upload_id}", level="INFO")
|
||
else:
|
||
make_log("uploader_v1.5", f"Resuming upload session with ID: {upload_id}", level="INFO")
|
||
|
||
# Determine the temporary file path based on upload_id
|
||
temp_path = os.path.join(UPLOADS_DIR, f"v1.5_upload_{upload_id}")
|
||
|
||
# Check current size of the temporary file (if it exists)
|
||
current_size = 0
|
||
if os.path.exists(temp_path):
|
||
current_size = os.path.getsize(temp_path)
|
||
|
||
# If the provided chunk_start is less than current_size, the chunk is already received
|
||
if chunk_start < current_size:
|
||
make_log("uploader_v1.5", f"Chunk starting at {chunk_start} already received, current size: {current_size}", level="INFO")
|
||
return response.json({"upload_id": upload_id, "current_size": current_size})
|
||
elif chunk_start > current_size:
|
||
make_log("uploader_v1.5", f"Chunk start {chunk_start} does not match current file size {current_size}", level="ERROR")
|
||
return response.json({"error": "Chunk start does not match current file size"}, status=400)
|
||
|
||
# Append the received chunk to the temporary file
|
||
try:
|
||
mode = 'wb' if is_new_upload else 'ab'
|
||
async with aiofiles.open(temp_path, mode) as out_file:
|
||
data = request.body # Get the full body if available
|
||
if data:
|
||
await out_file.write(data) # Write the whole body at once
|
||
else:
|
||
async for chunk in request.stream:
|
||
await out_file.write(chunk)
|
||
new_size = os.path.getsize(temp_path)
|
||
make_log("uploader_v1.5", f"Appended chunk. New file size: {new_size}", level="INFO")
|
||
except Exception as e:
|
||
make_log("uploader_v1.5", f"Error saving chunk: {e}", level="ERROR")
|
||
return response.json({"error": "Failed to save chunk"}, status=500)
|
||
|
||
# Compute the SHA256 hash of the temporary file using subprocess
|
||
try:
|
||
proc = await asyncio.create_subprocess_exec(
|
||
'sha256sum', temp_path,
|
||
stdout=asyncio.subprocess.PIPE,
|
||
stderr=asyncio.subprocess.PIPE
|
||
)
|
||
stdout, stderr = await proc.communicate()
|
||
if proc.returncode != 0:
|
||
error_msg = stderr.decode().strip()
|
||
make_log("uploader_v1.5", f"sha256sum error: {error_msg}", level="ERROR")
|
||
return response.json({"error": "Failed to compute file hash"}, status=500)
|
||
computed_hash_hex = stdout.decode().split()[0].strip()
|
||
computed_hash_bytes = bytes.fromhex(computed_hash_hex)
|
||
computed_hash_b58 = b58encode(computed_hash_bytes).decode()
|
||
make_log("uploader_v1.5", f"Computed hash (base58): {computed_hash_b58}", level="INFO")
|
||
except Exception as e:
|
||
make_log("uploader_v1.5", f"Error computing file hash: {e}", level="ERROR")
|
||
return response.json({"error": "Error computing file hash"}, status=500)
|
||
|
||
# If computed hash matches the provided one, the final chunk has been received
|
||
if computed_hash_b58 == provided_hash_b58:
|
||
final_path = os.path.join(UPLOADS_DIR, f"{computed_hash_b58}")
|
||
try:
|
||
os.rename(temp_path, final_path)
|
||
make_log("uploader_v1.5", f"Final chunk received. File renamed to: {final_path}", level="INFO")
|
||
except Exception as e:
|
||
make_log("uploader_v1.5", f"Error renaming file: {e}", level="ERROR")
|
||
return response.json({"error": "Failed to finalize file storage"}, status=500)
|
||
|
||
db_session = request.ctx.db_session
|
||
existing = db_session.query(StoredContent).filter_by(hash=computed_hash_b58).first()
|
||
if existing:
|
||
make_log("uploader_v1.5", f"File with hash {computed_hash_b58} already exists in DB", level="INFO")
|
||
serialized_v2 = existing.cid.serialize_v2()
|
||
serialized_v1 = existing.cid.serialize_v1()
|
||
return response.json({
|
||
"upload_id": upload_id,
|
||
"content_sha256": computed_hash_b58,
|
||
"content_id": serialized_v2,
|
||
"content_id_v1": serialized_v1,
|
||
"content_url": f"dmy://storage?cid={serialized_v2}",
|
||
})
|
||
|
||
try:
|
||
user_id = request.ctx.user.id if request.ctx.user else None
|
||
|
||
new_content = StoredContent(
|
||
type='local/content_bin',
|
||
hash=computed_hash_b58,
|
||
user_id=user_id,
|
||
filename=provided_filename,
|
||
key_id=None,
|
||
meta={},
|
||
created=datetime.utcnow()
|
||
)
|
||
db_session.add(new_content)
|
||
db_session.commit()
|
||
make_log("uploader_v1.5", f"New file stored and indexed for user {user_id} with hash {computed_hash_b58}", level="INFO")
|
||
except Exception as e:
|
||
make_log("uploader_v1.5", f"Database error: {e}", level="ERROR")
|
||
return response.json({"error": "Database error"}, status=500)
|
||
|
||
serialized_v2 = new_content.cid.serialize_v2()
|
||
serialized_v1 = new_content.cid.serialize_v1()
|
||
return response.json({
|
||
"upload_id": upload_id,
|
||
"content_sha256": computed_hash_b58,
|
||
"content_id": serialized_v2,
|
||
"content_id_v1": serialized_v1,
|
||
"content_url": f"dmy://storage?cid={serialized_v2}",
|
||
})
|
||
else:
|
||
# Not the final chunk yet – return current upload status
|
||
return response.json({"upload_id": upload_id, "current_size": os.path.getsize(temp_path)})
|
||
|
||
|
||
# GET /api/v1.5/storage/<file_hash>
|
||
async def s_api_v1_5_storage_get(request, file_hash):
|
||
make_log("uploader_v1.5", f"Received file retrieval request for hash: {file_hash}", level="INFO")
|
||
|
||
try:
|
||
file_hash = b58encode(resolve_content(file_hash)[0].content_hash).decode()
|
||
except:
|
||
pass
|
||
|
||
final_path = os.path.join(UPLOADS_DIR, f"{file_hash}")
|
||
if not os.path.exists(final_path):
|
||
make_log("uploader_v1.5", f"File not found: {final_path}", level="ERROR")
|
||
return response.json({"error": "File not found"}, status=404)
|
||
|
||
db_session = request.ctx.db_session
|
||
stored = db_session.query(StoredContent).filter_by(hash=file_hash).first()
|
||
if stored and stored.filename:
|
||
filename_for_mime = stored.filename
|
||
else:
|
||
filename_for_mime = final_path
|
||
|
||
mime_type, _ = guess_type(filename_for_mime)
|
||
if not mime_type:
|
||
mime_type = "application/octet-stream"
|
||
|
||
file_size = os.path.getsize(final_path)
|
||
range_header = request.headers.get("Range")
|
||
|
||
if range_header:
|
||
make_log("uploader_v1.5", f"Processing Range header: {range_header}", level="INFO")
|
||
range_spec = range_header.strip().lower()
|
||
if not range_spec.startswith("bytes="):
|
||
make_log("uploader_v1.5", f"Invalid Range header: {range_header}", level="ERROR")
|
||
return response.json({"error": "Invalid Range header"}, status=400)
|
||
range_spec = range_spec[len("bytes="):]
|
||
range_parts = [part.strip() for part in range_spec.split(',')]
|
||
parsed_ranges = []
|
||
try:
|
||
for part in range_parts:
|
||
if '-' not in part:
|
||
raise ValueError("Invalid range format")
|
||
start_str, end_str = part.split('-', 1)
|
||
if start_str == "":
|
||
suffix_length = int(end_str)
|
||
start = 0 if suffix_length > file_size else file_size - suffix_length
|
||
end = file_size - 1
|
||
else:
|
||
start = int(start_str)
|
||
end = file_size - 1 if end_str == "" else int(end_str)
|
||
if start > end or end >= file_size:
|
||
raise ValueError("Requested Range Not Satisfiable")
|
||
parsed_ranges.append((start, end))
|
||
except Exception as e:
|
||
make_log("uploader_v1.5", f"Invalid Range header: {range_header} - {e}", level="ERROR")
|
||
return response.json({"error": "Invalid Range header"}, status=400)
|
||
|
||
if len(parsed_ranges) == 1:
|
||
# Single range streaming
|
||
start, end = parsed_ranges[0]
|
||
content_length = end - start + 1
|
||
headers = {
|
||
"Content-Range": f"bytes {start}-{end}/{file_size}",
|
||
"Accept-Ranges": "bytes",
|
||
"Content-Length": str(content_length),
|
||
"Content-Type": mime_type,
|
||
}
|
||
# Create response for streaming
|
||
stream_response = await request.respond(headers=headers, status=206, content_type=mime_type)
|
||
make_log("uploader_v1.5", f"Starting to stream file from byte {start} to {end}", level="INFO")
|
||
async with aiofiles.open(final_path, mode='rb') as f:
|
||
await f.seek(start)
|
||
remaining = content_length
|
||
chunk_size = 1024 * 1024 # chunk size in bytes
|
||
while remaining > 0:
|
||
read_size = min(chunk_size, remaining)
|
||
data = await f.read(read_size)
|
||
if not data:
|
||
break
|
||
remaining -= len(data)
|
||
await stream_response.send(data)
|
||
make_log("uploader_v1.5", f"Finished streaming file: {final_path}", level="INFO")
|
||
await stream_response.eof()
|
||
return stream_response
|
||
else:
|
||
# Multipart range streaming
|
||
boundary = uuid4().hex
|
||
headers = {
|
||
"Content-Type": f"multipart/byteranges; boundary={boundary}",
|
||
"Accept-Ranges": "bytes",
|
||
}
|
||
stream_response = await request.respond(headers=headers, status=206)
|
||
for start, end in parsed_ranges:
|
||
part_header = (
|
||
f"--{boundary}\r\n"
|
||
f"Content-Type: {mime_type}\r\n"
|
||
f"Content-Range: bytes {start}-{end}/{file_size}\r\n"
|
||
f"\r\n"
|
||
)
|
||
await stream_response.send(part_header.encode())
|
||
part_length = end - start + 1
|
||
async with aiofiles.open(final_path, mode='rb') as f:
|
||
await f.seek(start)
|
||
remaining = part_length
|
||
chunk_size = 1024 * 1024
|
||
while remaining > 0:
|
||
read_size = min(chunk_size, remaining)
|
||
data = await f.read(read_size)
|
||
if not data:
|
||
break
|
||
remaining -= len(data)
|
||
await stream_response.send(data)
|
||
await stream_response.send(b"\r\n")
|
||
await stream_response.send(f"--{boundary}--\r\n".encode())
|
||
await stream_response.eof()
|
||
return stream_response
|
||
else:
|
||
make_log("uploader_v1.5", f"Returning full file for video/audio: {final_path}", level="INFO")
|
||
return await response.file(final_path, mime_type=mime_type)
|