- Replace legacy s[:16]-s[-15:] truncation with 8-char SHA-1 hash suffix in sanitize.py and lib.sh to prevent workspace name collisions - Align mock Herdr error messages in tests/conftest.py to real Herdr 0.8.0 output format - Add missing required/invalid_agent_name to early abort regex in lib.sh - Remove legacy heuristics in lib.sh has-session and unify mock agent lookups - Add unit tests in tests/test_sanitize_and_mock_errors.py (256/256 passed)
32 lines
915 B
Python
32 lines
915 B
Python
import hashlib
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import re
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def sanitize_herdr_agent_name(name: str) -> str:
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"""
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Sanitizes an agent name according to herdr 0.8.0 rules:
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1. Convert to lowercase.
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2. Replace invalid characters ([^a-z0-9_-]) with '-'.
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3. Ensure starts with a lowercase letter [a-z], prefixing with 'x-' if needed.
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4. Truncate to maximum 32 characters using 8-char SHA-1 hash suffix (s[:23] + '-' + sha1[:8]).
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"""
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if not name:
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return "agent"
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# 1. Lowercase
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s = str(name).lower()
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# 2. Replace illegal characters with '-'
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s = re.sub(r'[^a-z0-9_-]', '-', s)
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# 3. Ensure starts with a letter [a-z]
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if not s or not s[0].isalpha():
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s = "x-" + s
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# 4. Truncate to 32 chars if needed using collision-free SHA-1 hash suffix
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if len(s) > 32:
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h = hashlib.sha1(s.encode('utf-8')).hexdigest()[:8]
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s = f"{s[:23]}-{h}"
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return s
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