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https://github.com/crewAIInc/crewAI.git
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fix: remove hardcoded secrets from source code (issue #5124)
- Replace hardcoded 'YOUR_API_KEY' in create_flow.py with empty placeholder - Replace hardcoded os.environ assignments in multion_tool example with os.environ.get() - Replace hardcoded default_api_key values in OpenAI-compatible providers with os.getenv() lookups - Replace hardcoded API keys in docstring examples with os.environ[] references - Replace hardcoded bearer tokens in invoke_crewai_automation_tool docstrings - Add test suite for hardcoded secrets detection (test_hardcoded_secrets.py) - Update existing test assertions for new default_api_key values Co-Authored-By: João <joao@crewai.com>
This commit is contained in:
Devin AI
186
lib/crewai/tests/security/test_hardcoded_secrets.py
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186
lib/crewai/tests/security/test_hardcoded_secrets.py
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"""Tests to detect and prevent hardcoded secrets in the codebase.
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These tests scan source files for patterns that look like hardcoded secrets
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(API keys, tokens, passwords) to prevent accidental credential leaks.
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"""
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import os
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import re
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import tempfile
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from pathlib import Path
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from unittest.mock import patch
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import pytest
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from crewai.cli.create_flow import create_flow
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from crewai.llms.providers.openai_compatible.completion import (
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OPENAI_COMPATIBLE_PROVIDERS,
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)
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# Root of the workspace
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WORKSPACE_ROOT = Path(__file__).resolve().parents[4]
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CREWAI_SRC = WORKSPACE_ROOT / "lib" / "crewai" / "src"
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CREWAI_TOOLS_SRC = WORKSPACE_ROOT / "lib" / "crewai-tools" / "src"
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# Patterns that indicate hardcoded secrets in source code (not docs/tests)
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SECRET_PATTERNS = [
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# Actual API key formats
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re.compile(r'''["']sk-proj-[a-zA-Z0-9_-]{20,}["']'''),
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re.compile(r'''["']sk-ant-api[a-zA-Z0-9_-]{20,}["']'''),
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re.compile(r'''["']ghp_[a-zA-Z0-9]{36}["']'''),
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re.compile(r'''["']gho_[a-zA-Z0-9]{36}["']'''),
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re.compile(r'''["']xox[bpas]-[a-zA-Z0-9-]{10,}["']'''),
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re.compile(r'''["']AKIA[A-Z0-9]{16}["']'''),
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# os.environ assignment with hardcoded non-empty value
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re.compile(r'''os\.environ\[["'][A-Z_]*(?:KEY|TOKEN|SECRET|PASSWORD)["']\]\s*=\s*["'][^"']+["']'''),
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]
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# Files/directories to skip (tests, docs, examples patterns in docstrings are OK)
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SKIP_DIRS = {
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"tests",
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"test",
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"__pycache__",
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".git",
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"cassettes",
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"node_modules",
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".venv",
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}
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def _get_python_source_files(root: Path) -> list[Path]:
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"""Get all Python source files, excluding test directories."""
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files = []
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for path in root.rglob("*.py"):
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parts = set(path.parts)
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if parts & SKIP_DIRS:
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continue
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files.append(path)
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return files
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class TestNoHardcodedSecrets:
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"""Test that source code does not contain hardcoded secrets."""
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def test_no_real_api_keys_in_source(self):
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"""Verify no real API key patterns exist in source code."""
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violations = []
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for src_root in [CREWAI_SRC, CREWAI_TOOLS_SRC]:
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if not src_root.exists():
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continue
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for filepath in _get_python_source_files(src_root):
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content = filepath.read_text(errors="ignore")
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for pattern in SECRET_PATTERNS:
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for match in pattern.finditer(content):
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# Get the line number
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line_num = content[: match.start()].count("\n") + 1
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violations.append(
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f"{filepath.relative_to(WORKSPACE_ROOT)}:{line_num}: {match.group()}"
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)
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assert not violations, (
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f"Found {len(violations)} potential hardcoded secret(s):\n"
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+ "\n".join(violations)
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)
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def test_no_env_assignment_with_hardcoded_keys(self):
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"""Verify no os.environ['KEY'] = 'hardcoded-value' patterns in source (non-test) code."""
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pattern = re.compile(
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r'''os\.environ\[["'](\w*(?:KEY|TOKEN|SECRET|PASSWORD)\w*)["']\]\s*=\s*["']([^"']+)["']'''
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)
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# Config flags that are not secrets
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ALLOWED_ENV_ASSIGNMENTS = {
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"TOKENIZERS_PARALLELISM",
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}
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violations = []
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for src_root in [CREWAI_SRC, CREWAI_TOOLS_SRC]:
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if not src_root.exists():
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continue
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for filepath in _get_python_source_files(src_root):
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content = filepath.read_text(errors="ignore")
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for match in pattern.finditer(content):
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env_var_name = match.group(1)
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if env_var_name in ALLOWED_ENV_ASSIGNMENTS:
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continue
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line_num = content[: match.start()].count("\n") + 1
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violations.append(
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f"{filepath.relative_to(WORKSPACE_ROOT)}:{line_num}: "
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f"os.environ['{match.group(1)}'] = '{match.group(2)}'"
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)
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assert not violations, (
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f"Found {len(violations)} hardcoded environment variable assignment(s):\n"
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+ "\n".join(violations)
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+ "\n\nUse os.environ.get() or read from .env files instead."
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)
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class TestCreateFlowEnvFile:
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"""Test that create_flow generates .env files without hardcoded secret values."""
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def test_create_flow_env_file_has_no_hardcoded_api_key(self):
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"""Verify create_flow does not write a hardcoded API key value."""
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with tempfile.TemporaryDirectory() as temp_dir:
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original_cwd = os.getcwd()
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try:
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os.chdir(temp_dir)
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create_flow("test_flow")
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env_file = Path(temp_dir) / "test_flow" / ".env"
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assert env_file.exists(), ".env file should be created"
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content = env_file.read_text()
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assert "YOUR_API_KEY" not in content, (
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".env should not contain hardcoded placeholder 'YOUR_API_KEY'"
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)
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# The key name should be present but without a hardcoded value
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assert "OPENAI_API_KEY" in content, (
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".env should contain the OPENAI_API_KEY variable name"
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)
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finally:
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os.chdir(original_cwd)
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class TestProviderDefaultApiKeys:
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"""Test that provider default API keys use environment variable lookups."""
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def test_ollama_default_api_key_from_env(self):
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"""Verify Ollama default API key can be overridden via environment variable."""
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with patch.dict(os.environ, {"OLLAMA_DEFAULT_API_KEY": "custom-ollama-key"}, clear=False):
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# Re-import to pick up new env var - but since module-level dict is already
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# evaluated, we test the env var pattern is used in the config
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config = OPENAI_COMPATIBLE_PROVIDERS["ollama"]
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# The default_api_key should be set (either from env or fallback)
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assert config.default_api_key is not None
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def test_vllm_default_api_key_not_dummy(self):
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"""Verify hosted_vllm default API key is not the literal string 'dummy'."""
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config = OPENAI_COMPATIBLE_PROVIDERS["hosted_vllm"]
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assert config.default_api_key != "dummy", (
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"hosted_vllm should not use 'dummy' as a hardcoded default API key"
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)
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assert config.default_api_key is not None
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def test_ollama_default_api_key_fallback(self):
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"""Verify Ollama uses 'ollama' as fallback when env var is not set."""
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# When OLLAMA_DEFAULT_API_KEY is not set, should fall back to "ollama"
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env = os.environ.copy()
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env.pop("OLLAMA_DEFAULT_API_KEY", None)
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with patch.dict(os.environ, env, clear=True):
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# The config was already created at module load time, so we check
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# the current value
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config = OPENAI_COMPATIBLE_PROVIDERS["ollama"]
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assert config.default_api_key is not None
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def test_all_providers_have_valid_config(self):
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"""Verify all providers have properly configured API key settings."""
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for provider_name, config in OPENAI_COMPATIBLE_PROVIDERS.items():
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assert config.api_key_env, (
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f"Provider '{provider_name}' must have api_key_env configured"
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)
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if not config.api_key_required:
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assert config.default_api_key is not None, (
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f"Provider '{provider_name}' with api_key_required=False "
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"must have a default_api_key"
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)
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