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rose-ash/artdag/l1/storage_providers.py
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Incorporate art-dag-mono repo into artdag/ subfolder
Merges full history from art-dag/mono.git into the monorepo
under the artdag/ directory. Contains: core (DAG engine),
l1 (Celery rendering server), l2 (ActivityPub registry),
common (shared templates/middleware), client (CLI), test (e2e).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

git-subtree-dir: artdag
git-subtree-mainline: 1a179de547
git-subtree-split: 4c2e716558
2026-02-27 09:07:23 +00:00

1010 lines
34 KiB
Python

"""
Storage provider abstraction for user-attachable storage.
Supports:
- Pinata (IPFS pinning service)
- web3.storage (IPFS pinning service)
- Local filesystem storage
"""
import hashlib
import json
import logging
import os
import shutil
from abc import ABC, abstractmethod
from pathlib import Path
from typing import Optional
import requests
logger = logging.getLogger(__name__)
class StorageProvider(ABC):
"""Abstract base class for storage backends."""
provider_type: str = "unknown"
@abstractmethod
async def pin(self, cid: str, data: bytes, filename: Optional[str] = None) -> Optional[str]:
"""
Pin content to storage.
Args:
cid: SHA3-256 hash of the content
data: Raw bytes to store
filename: Optional filename hint
Returns:
IPFS CID or provider-specific ID, or None on failure
"""
pass
@abstractmethod
async def unpin(self, cid: str) -> bool:
"""
Unpin content from storage.
Args:
cid: SHA3-256 hash of the content
Returns:
True if unpinned successfully
"""
pass
@abstractmethod
async def get(self, cid: str) -> Optional[bytes]:
"""
Retrieve content from storage.
Args:
cid: SHA3-256 hash of the content
Returns:
Raw bytes or None if not found
"""
pass
@abstractmethod
async def is_pinned(self, cid: str) -> bool:
"""Check if content is pinned in this storage."""
pass
@abstractmethod
async def test_connection(self) -> tuple[bool, str]:
"""
Test connectivity to the storage provider.
Returns:
(success, message) tuple
"""
pass
@abstractmethod
def get_usage(self) -> dict:
"""
Get storage usage statistics.
Returns:
{used_bytes, capacity_bytes, pin_count}
"""
pass
class PinataProvider(StorageProvider):
"""Pinata IPFS pinning service provider."""
provider_type = "pinata"
def __init__(self, api_key: str, secret_key: str, capacity_gb: int = 1):
self.api_key = api_key
self.secret_key = secret_key
self.capacity_bytes = capacity_gb * 1024**3
self.base_url = "https://api.pinata.cloud"
self._usage_cache = None
def _headers(self) -> dict:
return {
"pinata_api_key": self.api_key,
"pinata_secret_api_key": self.secret_key,
}
async def pin(self, cid: str, data: bytes, filename: Optional[str] = None) -> Optional[str]:
"""Pin content to Pinata."""
try:
import asyncio
def do_pin():
files = {"file": (filename or f"{cid[:16]}.bin", data)}
metadata = {
"name": filename or cid[:16],
"keyvalues": {"cid": cid}
}
response = requests.post(
f"{self.base_url}/pinning/pinFileToIPFS",
files=files,
data={"pinataMetadata": json.dumps(metadata)},
headers=self._headers(),
timeout=120
)
response.raise_for_status()
return response.json().get("IpfsHash")
cid = await asyncio.to_thread(do_pin)
logger.info(f"Pinata: Pinned {cid[:16]}... as {cid}")
return cid
except Exception as e:
logger.error(f"Pinata pin failed: {e}")
return None
async def unpin(self, cid: str) -> bool:
"""Unpin content from Pinata by finding its CID first."""
try:
import asyncio
def do_unpin():
# First find the pin by cid metadata
response = requests.get(
f"{self.base_url}/data/pinList",
params={"metadata[keyvalues][cid]": cid, "status": "pinned"},
headers=self._headers(),
timeout=30
)
response.raise_for_status()
pins = response.json().get("rows", [])
if not pins:
return False
# Unpin each matching CID
for pin in pins:
cid = pin.get("ipfs_pin_hash")
if cid:
resp = requests.delete(
f"{self.base_url}/pinning/unpin/{cid}",
headers=self._headers(),
timeout=30
)
resp.raise_for_status()
return True
result = await asyncio.to_thread(do_unpin)
logger.info(f"Pinata: Unpinned {cid[:16]}...")
return result
except Exception as e:
logger.error(f"Pinata unpin failed: {e}")
return False
async def get(self, cid: str) -> Optional[bytes]:
"""Get content from Pinata via IPFS gateway."""
try:
import asyncio
def do_get():
# First find the CID
response = requests.get(
f"{self.base_url}/data/pinList",
params={"metadata[keyvalues][cid]": cid, "status": "pinned"},
headers=self._headers(),
timeout=30
)
response.raise_for_status()
pins = response.json().get("rows", [])
if not pins:
return None
cid = pins[0].get("ipfs_pin_hash")
if not cid:
return None
# Fetch from gateway
gateway_response = requests.get(
f"https://gateway.pinata.cloud/ipfs/{cid}",
timeout=120
)
gateway_response.raise_for_status()
return gateway_response.content
return await asyncio.to_thread(do_get)
except Exception as e:
logger.error(f"Pinata get failed: {e}")
return None
async def is_pinned(self, cid: str) -> bool:
"""Check if content is pinned on Pinata."""
try:
import asyncio
def do_check():
response = requests.get(
f"{self.base_url}/data/pinList",
params={"metadata[keyvalues][cid]": cid, "status": "pinned"},
headers=self._headers(),
timeout=30
)
response.raise_for_status()
return len(response.json().get("rows", [])) > 0
return await asyncio.to_thread(do_check)
except Exception:
return False
async def test_connection(self) -> tuple[bool, str]:
"""Test Pinata API connectivity."""
try:
import asyncio
def do_test():
response = requests.get(
f"{self.base_url}/data/testAuthentication",
headers=self._headers(),
timeout=10
)
response.raise_for_status()
return True, "Connected to Pinata successfully"
return await asyncio.to_thread(do_test)
except requests.exceptions.HTTPError as e:
if e.response.status_code == 401:
return False, "Invalid API credentials"
return False, f"HTTP error: {e}"
except Exception as e:
return False, f"Connection failed: {e}"
def get_usage(self) -> dict:
"""Get Pinata usage stats."""
try:
response = requests.get(
f"{self.base_url}/data/userPinnedDataTotal",
headers=self._headers(),
timeout=10
)
response.raise_for_status()
data = response.json()
return {
"used_bytes": data.get("pin_size_total", 0),
"capacity_bytes": self.capacity_bytes,
"pin_count": data.get("pin_count", 0)
}
except Exception:
return {"used_bytes": 0, "capacity_bytes": self.capacity_bytes, "pin_count": 0}
class Web3StorageProvider(StorageProvider):
"""web3.storage pinning service provider."""
provider_type = "web3storage"
def __init__(self, api_token: str, capacity_gb: int = 1):
self.api_token = api_token
self.capacity_bytes = capacity_gb * 1024**3
self.base_url = "https://api.web3.storage"
def _headers(self) -> dict:
return {"Authorization": f"Bearer {self.api_token}"}
async def pin(self, cid: str, data: bytes, filename: Optional[str] = None) -> Optional[str]:
"""Pin content to web3.storage."""
try:
import asyncio
def do_pin():
response = requests.post(
f"{self.base_url}/upload",
data=data,
headers={
**self._headers(),
"X-Name": filename or cid[:16]
},
timeout=120
)
response.raise_for_status()
return response.json().get("cid")
cid = await asyncio.to_thread(do_pin)
logger.info(f"web3.storage: Pinned {cid[:16]}... as {cid}")
return cid
except Exception as e:
logger.error(f"web3.storage pin failed: {e}")
return None
async def unpin(self, cid: str) -> bool:
"""web3.storage doesn't support unpinning - data is stored permanently."""
logger.warning("web3.storage: Unpinning not supported (permanent storage)")
return False
async def get(self, cid: str) -> Optional[bytes]:
"""Get content from web3.storage - would need CID mapping."""
# web3.storage requires knowing the CID to fetch
# For now, return None - we'd need to maintain a mapping
return None
async def is_pinned(self, cid: str) -> bool:
"""Check if content is pinned - would need CID mapping."""
return False
async def test_connection(self) -> tuple[bool, str]:
"""Test web3.storage API connectivity."""
try:
import asyncio
def do_test():
response = requests.get(
f"{self.base_url}/user/uploads",
headers=self._headers(),
params={"size": 1},
timeout=10
)
response.raise_for_status()
return True, "Connected to web3.storage successfully"
return await asyncio.to_thread(do_test)
except requests.exceptions.HTTPError as e:
if e.response.status_code == 401:
return False, "Invalid API token"
return False, f"HTTP error: {e}"
except Exception as e:
return False, f"Connection failed: {e}"
def get_usage(self) -> dict:
"""Get web3.storage usage stats."""
try:
response = requests.get(
f"{self.base_url}/user/uploads",
headers=self._headers(),
params={"size": 1000},
timeout=30
)
response.raise_for_status()
uploads = response.json()
total_size = sum(u.get("dagSize", 0) for u in uploads)
return {
"used_bytes": total_size,
"capacity_bytes": self.capacity_bytes,
"pin_count": len(uploads)
}
except Exception:
return {"used_bytes": 0, "capacity_bytes": self.capacity_bytes, "pin_count": 0}
class NFTStorageProvider(StorageProvider):
"""NFT.Storage pinning service provider (free for NFT data)."""
provider_type = "nftstorage"
def __init__(self, api_token: str, capacity_gb: int = 5):
self.api_token = api_token
self.capacity_bytes = capacity_gb * 1024**3
self.base_url = "https://api.nft.storage"
def _headers(self) -> dict:
return {"Authorization": f"Bearer {self.api_token}"}
async def pin(self, cid: str, data: bytes, filename: Optional[str] = None) -> Optional[str]:
"""Pin content to NFT.Storage."""
try:
import asyncio
def do_pin():
response = requests.post(
f"{self.base_url}/upload",
data=data,
headers={**self._headers(), "Content-Type": "application/octet-stream"},
timeout=120
)
response.raise_for_status()
return response.json().get("value", {}).get("cid")
cid = await asyncio.to_thread(do_pin)
logger.info(f"NFT.Storage: Pinned {cid[:16]}... as {cid}")
return cid
except Exception as e:
logger.error(f"NFT.Storage pin failed: {e}")
return None
async def unpin(self, cid: str) -> bool:
"""NFT.Storage doesn't support unpinning - data is stored permanently."""
logger.warning("NFT.Storage: Unpinning not supported (permanent storage)")
return False
async def get(self, cid: str) -> Optional[bytes]:
"""Get content from NFT.Storage - would need CID mapping."""
return None
async def is_pinned(self, cid: str) -> bool:
"""Check if content is pinned - would need CID mapping."""
return False
async def test_connection(self) -> tuple[bool, str]:
"""Test NFT.Storage API connectivity."""
try:
import asyncio
def do_test():
response = requests.get(
f"{self.base_url}/",
headers=self._headers(),
timeout=10
)
response.raise_for_status()
return True, "Connected to NFT.Storage successfully"
return await asyncio.to_thread(do_test)
except requests.exceptions.HTTPError as e:
if e.response.status_code == 401:
return False, "Invalid API token"
return False, f"HTTP error: {e}"
except Exception as e:
return False, f"Connection failed: {e}"
def get_usage(self) -> dict:
"""Get NFT.Storage usage stats."""
return {"used_bytes": 0, "capacity_bytes": self.capacity_bytes, "pin_count": 0}
class InfuraIPFSProvider(StorageProvider):
"""Infura IPFS pinning service provider."""
provider_type = "infura"
def __init__(self, project_id: str, project_secret: str, capacity_gb: int = 5):
self.project_id = project_id
self.project_secret = project_secret
self.capacity_bytes = capacity_gb * 1024**3
self.base_url = "https://ipfs.infura.io:5001/api/v0"
def _auth(self) -> tuple:
return (self.project_id, self.project_secret)
async def pin(self, cid: str, data: bytes, filename: Optional[str] = None) -> Optional[str]:
"""Pin content to Infura IPFS."""
try:
import asyncio
def do_pin():
files = {"file": (filename or f"{cid[:16]}.bin", data)}
response = requests.post(
f"{self.base_url}/add",
files=files,
auth=self._auth(),
timeout=120
)
response.raise_for_status()
return response.json().get("Hash")
cid = await asyncio.to_thread(do_pin)
logger.info(f"Infura IPFS: Pinned {cid[:16]}... as {cid}")
return cid
except Exception as e:
logger.error(f"Infura IPFS pin failed: {e}")
return None
async def unpin(self, cid: str) -> bool:
"""Unpin content from Infura IPFS."""
try:
import asyncio
def do_unpin():
response = requests.post(
f"{self.base_url}/pin/rm",
params={"arg": cid},
auth=self._auth(),
timeout=30
)
response.raise_for_status()
return True
return await asyncio.to_thread(do_unpin)
except Exception as e:
logger.error(f"Infura IPFS unpin failed: {e}")
return False
async def get(self, cid: str) -> Optional[bytes]:
"""Get content from Infura IPFS gateway."""
try:
import asyncio
def do_get():
response = requests.post(
f"{self.base_url}/cat",
params={"arg": cid},
auth=self._auth(),
timeout=120
)
response.raise_for_status()
return response.content
return await asyncio.to_thread(do_get)
except Exception as e:
logger.error(f"Infura IPFS get failed: {e}")
return None
async def is_pinned(self, cid: str) -> bool:
"""Check if content is pinned on Infura IPFS."""
try:
import asyncio
def do_check():
response = requests.post(
f"{self.base_url}/pin/ls",
params={"arg": cid},
auth=self._auth(),
timeout=30
)
return response.status_code == 200
return await asyncio.to_thread(do_check)
except Exception:
return False
async def test_connection(self) -> tuple[bool, str]:
"""Test Infura IPFS API connectivity."""
try:
import asyncio
def do_test():
response = requests.post(
f"{self.base_url}/id",
auth=self._auth(),
timeout=10
)
response.raise_for_status()
return True, "Connected to Infura IPFS successfully"
return await asyncio.to_thread(do_test)
except requests.exceptions.HTTPError as e:
if e.response.status_code == 401:
return False, "Invalid project credentials"
return False, f"HTTP error: {e}"
except Exception as e:
return False, f"Connection failed: {e}"
def get_usage(self) -> dict:
"""Get Infura usage stats."""
return {"used_bytes": 0, "capacity_bytes": self.capacity_bytes, "pin_count": 0}
class FilebaseProvider(StorageProvider):
"""Filebase S3-compatible IPFS pinning service."""
provider_type = "filebase"
def __init__(self, access_key: str, secret_key: str, bucket: str, capacity_gb: int = 5):
self.access_key = access_key
self.secret_key = secret_key
self.bucket = bucket
self.capacity_bytes = capacity_gb * 1024**3
self.endpoint = "https://s3.filebase.com"
async def pin(self, cid: str, data: bytes, filename: Optional[str] = None) -> Optional[str]:
"""Pin content to Filebase."""
try:
import asyncio
import boto3
from botocore.config import Config
def do_pin():
s3 = boto3.client(
's3',
endpoint_url=self.endpoint,
aws_access_key_id=self.access_key,
aws_secret_access_key=self.secret_key,
config=Config(signature_version='s3v4')
)
key = filename or f"{cid[:16]}.bin"
s3.put_object(Bucket=self.bucket, Key=key, Body=data)
# Get CID from response headers
head = s3.head_object(Bucket=self.bucket, Key=key)
return head.get('Metadata', {}).get('cid', cid)
cid = await asyncio.to_thread(do_pin)
logger.info(f"Filebase: Pinned {cid[:16]}... as {cid}")
return cid
except Exception as e:
logger.error(f"Filebase pin failed: {e}")
return None
async def unpin(self, cid: str) -> bool:
"""Remove content from Filebase."""
try:
import asyncio
import boto3
from botocore.config import Config
def do_unpin():
s3 = boto3.client(
's3',
endpoint_url=self.endpoint,
aws_access_key_id=self.access_key,
aws_secret_access_key=self.secret_key,
config=Config(signature_version='s3v4')
)
s3.delete_object(Bucket=self.bucket, Key=cid)
return True
return await asyncio.to_thread(do_unpin)
except Exception as e:
logger.error(f"Filebase unpin failed: {e}")
return False
async def get(self, cid: str) -> Optional[bytes]:
"""Get content from Filebase."""
try:
import asyncio
import boto3
from botocore.config import Config
def do_get():
s3 = boto3.client(
's3',
endpoint_url=self.endpoint,
aws_access_key_id=self.access_key,
aws_secret_access_key=self.secret_key,
config=Config(signature_version='s3v4')
)
response = s3.get_object(Bucket=self.bucket, Key=cid)
return response['Body'].read()
return await asyncio.to_thread(do_get)
except Exception as e:
logger.error(f"Filebase get failed: {e}")
return None
async def is_pinned(self, cid: str) -> bool:
"""Check if content exists in Filebase."""
try:
import asyncio
import boto3
from botocore.config import Config
def do_check():
s3 = boto3.client(
's3',
endpoint_url=self.endpoint,
aws_access_key_id=self.access_key,
aws_secret_access_key=self.secret_key,
config=Config(signature_version='s3v4')
)
s3.head_object(Bucket=self.bucket, Key=cid)
return True
return await asyncio.to_thread(do_check)
except Exception:
return False
async def test_connection(self) -> tuple[bool, str]:
"""Test Filebase connectivity."""
try:
import asyncio
import boto3
from botocore.config import Config
def do_test():
s3 = boto3.client(
's3',
endpoint_url=self.endpoint,
aws_access_key_id=self.access_key,
aws_secret_access_key=self.secret_key,
config=Config(signature_version='s3v4')
)
s3.head_bucket(Bucket=self.bucket)
return True, f"Connected to Filebase bucket '{self.bucket}'"
return await asyncio.to_thread(do_test)
except Exception as e:
if "404" in str(e):
return False, f"Bucket '{self.bucket}' not found"
if "403" in str(e):
return False, "Invalid credentials or no access to bucket"
return False, f"Connection failed: {e}"
def get_usage(self) -> dict:
"""Get Filebase usage stats."""
return {"used_bytes": 0, "capacity_bytes": self.capacity_bytes, "pin_count": 0}
class StorjProvider(StorageProvider):
"""Storj decentralized cloud storage (S3-compatible)."""
provider_type = "storj"
def __init__(self, access_key: str, secret_key: str, bucket: str, capacity_gb: int = 25):
self.access_key = access_key
self.secret_key = secret_key
self.bucket = bucket
self.capacity_bytes = capacity_gb * 1024**3
self.endpoint = "https://gateway.storjshare.io"
async def pin(self, cid: str, data: bytes, filename: Optional[str] = None) -> Optional[str]:
"""Store content on Storj."""
try:
import asyncio
import boto3
from botocore.config import Config
def do_pin():
s3 = boto3.client(
's3',
endpoint_url=self.endpoint,
aws_access_key_id=self.access_key,
aws_secret_access_key=self.secret_key,
config=Config(signature_version='s3v4')
)
key = filename or cid
s3.put_object(Bucket=self.bucket, Key=key, Body=data)
return cid
result = await asyncio.to_thread(do_pin)
logger.info(f"Storj: Stored {cid[:16]}...")
return result
except Exception as e:
logger.error(f"Storj pin failed: {e}")
return None
async def unpin(self, cid: str) -> bool:
"""Remove content from Storj."""
try:
import asyncio
import boto3
from botocore.config import Config
def do_unpin():
s3 = boto3.client(
's3',
endpoint_url=self.endpoint,
aws_access_key_id=self.access_key,
aws_secret_access_key=self.secret_key,
config=Config(signature_version='s3v4')
)
s3.delete_object(Bucket=self.bucket, Key=cid)
return True
return await asyncio.to_thread(do_unpin)
except Exception as e:
logger.error(f"Storj unpin failed: {e}")
return False
async def get(self, cid: str) -> Optional[bytes]:
"""Get content from Storj."""
try:
import asyncio
import boto3
from botocore.config import Config
def do_get():
s3 = boto3.client(
's3',
endpoint_url=self.endpoint,
aws_access_key_id=self.access_key,
aws_secret_access_key=self.secret_key,
config=Config(signature_version='s3v4')
)
response = s3.get_object(Bucket=self.bucket, Key=cid)
return response['Body'].read()
return await asyncio.to_thread(do_get)
except Exception as e:
logger.error(f"Storj get failed: {e}")
return None
async def is_pinned(self, cid: str) -> bool:
"""Check if content exists on Storj."""
try:
import asyncio
import boto3
from botocore.config import Config
def do_check():
s3 = boto3.client(
's3',
endpoint_url=self.endpoint,
aws_access_key_id=self.access_key,
aws_secret_access_key=self.secret_key,
config=Config(signature_version='s3v4')
)
s3.head_object(Bucket=self.bucket, Key=cid)
return True
return await asyncio.to_thread(do_check)
except Exception:
return False
async def test_connection(self) -> tuple[bool, str]:
"""Test Storj connectivity."""
try:
import asyncio
import boto3
from botocore.config import Config
def do_test():
s3 = boto3.client(
's3',
endpoint_url=self.endpoint,
aws_access_key_id=self.access_key,
aws_secret_access_key=self.secret_key,
config=Config(signature_version='s3v4')
)
s3.head_bucket(Bucket=self.bucket)
return True, f"Connected to Storj bucket '{self.bucket}'"
return await asyncio.to_thread(do_test)
except Exception as e:
if "404" in str(e):
return False, f"Bucket '{self.bucket}' not found"
if "403" in str(e):
return False, "Invalid credentials or no access to bucket"
return False, f"Connection failed: {e}"
def get_usage(self) -> dict:
"""Get Storj usage stats."""
return {"used_bytes": 0, "capacity_bytes": self.capacity_bytes, "pin_count": 0}
class LocalStorageProvider(StorageProvider):
"""Local filesystem storage provider."""
provider_type = "local"
def __init__(self, base_path: str, capacity_gb: int = 10):
self.base_path = Path(base_path)
self.capacity_bytes = capacity_gb * 1024**3
# Create directory if it doesn't exist
self.base_path.mkdir(parents=True, exist_ok=True)
def _get_file_path(self, cid: str) -> Path:
"""Get file path for a content hash (using subdirectories)."""
# Use first 2 chars as subdirectory for better filesystem performance
subdir = cid[:2]
return self.base_path / subdir / cid
async def pin(self, cid: str, data: bytes, filename: Optional[str] = None) -> Optional[str]:
"""Store content locally."""
try:
import asyncio
def do_store():
file_path = self._get_file_path(cid)
file_path.parent.mkdir(parents=True, exist_ok=True)
file_path.write_bytes(data)
return cid # Use cid as ID for local storage
result = await asyncio.to_thread(do_store)
logger.info(f"Local: Stored {cid[:16]}...")
return result
except Exception as e:
logger.error(f"Local storage failed: {e}")
return None
async def unpin(self, cid: str) -> bool:
"""Remove content from local storage."""
try:
import asyncio
def do_remove():
file_path = self._get_file_path(cid)
if file_path.exists():
file_path.unlink()
return True
return False
return await asyncio.to_thread(do_remove)
except Exception as e:
logger.error(f"Local unpin failed: {e}")
return False
async def get(self, cid: str) -> Optional[bytes]:
"""Get content from local storage."""
try:
import asyncio
def do_get():
file_path = self._get_file_path(cid)
if file_path.exists():
return file_path.read_bytes()
return None
return await asyncio.to_thread(do_get)
except Exception as e:
logger.error(f"Local get failed: {e}")
return None
async def is_pinned(self, cid: str) -> bool:
"""Check if content exists in local storage."""
return self._get_file_path(cid).exists()
async def test_connection(self) -> tuple[bool, str]:
"""Test local storage is writable."""
try:
test_file = self.base_path / ".write_test"
test_file.write_text("test")
test_file.unlink()
return True, f"Local storage ready at {self.base_path}"
except Exception as e:
return False, f"Cannot write to {self.base_path}: {e}"
def get_usage(self) -> dict:
"""Get local storage usage stats."""
try:
total_size = 0
file_count = 0
for subdir in self.base_path.iterdir():
if subdir.is_dir() and len(subdir.name) == 2:
for f in subdir.iterdir():
if f.is_file():
total_size += f.stat().st_size
file_count += 1
return {
"used_bytes": total_size,
"capacity_bytes": self.capacity_bytes,
"pin_count": file_count
}
except Exception:
return {"used_bytes": 0, "capacity_bytes": self.capacity_bytes, "pin_count": 0}
def create_provider(provider_type: str, config: dict) -> Optional[StorageProvider]:
"""
Factory function to create a storage provider from config.
Args:
provider_type: One of 'pinata', 'web3storage', 'nftstorage', 'infura', 'filebase', 'storj', 'local'
config: Provider-specific configuration dict
Returns:
StorageProvider instance or None if invalid
"""
try:
if provider_type == "pinata":
return PinataProvider(
api_key=config["api_key"],
secret_key=config["secret_key"],
capacity_gb=config.get("capacity_gb", 1)
)
elif provider_type == "web3storage":
return Web3StorageProvider(
api_token=config["api_token"],
capacity_gb=config.get("capacity_gb", 5)
)
elif provider_type == "nftstorage":
return NFTStorageProvider(
api_token=config["api_token"],
capacity_gb=config.get("capacity_gb", 5)
)
elif provider_type == "infura":
return InfuraIPFSProvider(
project_id=config["project_id"],
project_secret=config["project_secret"],
capacity_gb=config.get("capacity_gb", 5)
)
elif provider_type == "filebase":
return FilebaseProvider(
access_key=config["access_key"],
secret_key=config["secret_key"],
bucket=config["bucket"],
capacity_gb=config.get("capacity_gb", 5)
)
elif provider_type == "storj":
return StorjProvider(
access_key=config["access_key"],
secret_key=config["secret_key"],
bucket=config["bucket"],
capacity_gb=config.get("capacity_gb", 25)
)
elif provider_type == "local":
return LocalStorageProvider(
base_path=config["path"],
capacity_gb=config.get("capacity_gb", 10)
)
else:
logger.error(f"Unknown provider type: {provider_type}")
return None
except KeyError as e:
logger.error(f"Missing config key for {provider_type}: {e}")
return None
except Exception as e:
logger.error(f"Failed to create provider {provider_type}: {e}")
return None