1ffc37b0b7
- Implement AdvowareHistoryService for fetching and creating history entries. - Implement AdvowareWatcherService for file operations including listing, downloading, and uploading with Blake3 hash verification. - Introduce Blake3 utility functions for hash computation and verification. - Create document sync cron step to poll Redis for pending Aktennummern and emit sync events. - Develop document sync event handler to manage 3-way merge synchronization for Akten, including metadata updates and error handling.
48 lines
1012 B
Python
48 lines
1012 B
Python
"""
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Blake3 Hash Utilities
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Provides Blake3 hash computation for file integrity verification.
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"""
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from typing import Union
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def compute_blake3(content: bytes) -> str:
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"""
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Compute Blake3 hash of content.
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Args:
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content: File bytes
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Returns:
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Hex string (lowercase)
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Raises:
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ImportError: If blake3 module not installed
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"""
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try:
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import blake3
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except ImportError:
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raise ImportError(
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"blake3 module not installed. Install with: pip install blake3"
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)
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hasher = blake3.blake3()
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hasher.update(content)
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return hasher.hexdigest()
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def verify_blake3(content: bytes, expected_hash: str) -> bool:
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"""
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Verify Blake3 hash of content.
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Args:
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content: File bytes
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expected_hash: Expected hex hash (lowercase)
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Returns:
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True if hash matches, False otherwise
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"""
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computed = compute_blake3(content)
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return computed.lower() == expected_hash.lower()
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