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feat: implement AuthProviderManager for multi-provider support #1021 #1021

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17 changes: 17 additions & 0 deletions massgen/auth/AuthProviderManager.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
import os

class AuthProviderManager:
"""
Manager for multi-provider authentication.
Handles credential retrieval for Anthropic, OpenAI, and Gemini.
"""
@staticmethod
def get_credentials(provider: str):
print(f"Retrieving credentials for provider: {provider}")
env_var = f"{provider.upper()}_API_KEY"
return os.getenv(env_var)
Comment on lines +8 to +12
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@coderabbitai coderabbitai bot Mar 24, 2026

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⚠️ Potential issue | 🟡 Minor

Missing docstring, return type hint, and inappropriate print() statement.

Per coding guidelines, new functions require Google-style docstrings. Additionally:

  • Missing return type hint (-> Optional[str])
  • print() should be replaced with proper logging (e.g., logging.debug()) to avoid polluting stdout in production and to respect log level configuration
Proposed fix 
+import logging
 import os
 
+logger = logging.getLogger(__name__)
+
 class AuthProviderManager:
     """
     Manager for multi-provider authentication.
     Handles credential retrieval for Anthropic, OpenAI, and Gemini.
     """
     `@staticmethod`
-    def get_credentials(provider: str):
-        print(f"Retrieving credentials for provider: {provider}")
+    def get_credentials(provider: str) -> str | None:
+        """Retrieve API credentials for the specified provider.
+
+        Args:
+            provider: The provider name (e.g., "openai", "anthropic", "gemini").
+
+        Returns:
+            The API key from the environment variable, or None if not set.
+        """
+        logger.debug("Retrieving credentials for provider: %s", provider)
         env_var = f"{provider.upper()}_API_KEY"
         return os.getenv(env_var)

As per coding guidelines: "For new or changed functions, include Google-style docstrings" and "Type hints where appropriate".

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
@staticmethod
def get_credentials(provider: str):
print(f"Retrieving credentials for provider: {provider}")
env_var = f"{provider.upper()}_API_KEY"
return os.getenv(env_var)
import logging
import os
logger = logging.getLogger(__name__)
class AuthProviderManager:
"""
Manager for multi-provider authentication.
Handles credential retrieval for Anthropic, OpenAI, and Gemini.
"""
`@staticmethod`
def get_credentials(provider: str) -> str | None:
"""Retrieve API credentials for the specified provider.
Args:
provider: The provider name (e.g., "openai", "anthropic", "gemini").
Returns:
The API key from the environment variable, or None if not set.
"""
logger.debug("Retrieving credentials for provider: %s", provider)
env_var = f"{provider.upper()}_API_KEY"
return os.getenv(env_var)
🤖 Prompt for AI Agents 
Verify each finding against the current code and only fix it if needed.

In `@massgen/auth/AuthProviderManager.py` around lines 8 - 12, The get_credentials
static method is missing a Google-style docstring, a return type hint, and uses
print() instead of logging; update the function signature to include a return
type hint (-> Optional[str]), add a Google-style docstring describing parameters
and return value, replace the print(f"Retrieving credentials for provider:
{provider}") with logging.debug(...) and ensure typing.Optional is imported (or
referenced) and logging is configured/imported so get_credentials(provider: str)
returns Optional[str] and logs at debug level.


@staticmethod
def validate_session(token: str):
# Logic to validate session-based auth
return True
Comment on lines +14 to +17
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@coderabbitai coderabbitai bot Mar 24, 2026

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⚠️ Potential issue | 🟠 Major

Security risk: stub always returns True; also missing docstring and return type.

This method unconditionally returns True, which is dangerous if called in production—it would accept any token as valid. Consider either:

  1. Raising NotImplementedError to prevent accidental use until implemented
  2. Adding a prominent warning/TODO and ensuring this isn't wired into any auth flow yet

Also missing Google-style docstring and return type hint (-> bool).

Proposed fix (raise until implemented) 
     `@staticmethod`
-    def validate_session(token: str):
-        # Logic to validate session-based auth
-        return True
+    def validate_session(token: str) -> bool:
+        """Validate a session-based authentication token.
+
+        Args:
+            token: The session token to validate.
+
+        Returns:
+            True if the token is valid, False otherwise.
+
+        Raises:
+            NotImplementedError: Session validation is not yet implemented.
+        """
+        # TODO: Implement actual session validation logic
+        raise NotImplementedError("Session validation is not yet implemented")

As per coding guidelines: "For new or changed functions, include Google-style docstrings".

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
@staticmethod
def validate_session(token: str):
# Logic to validate session-based auth
return True
`@staticmethod`
def validate_session(token: str) -> bool:
"""Validate a session-based authentication token.
Args:
token: The session token to validate.
Returns:
True if the token is valid, False otherwise.
Raises:
NotImplementedError: Session validation is not yet implemented.
"""
# TODO: Implement actual session validation logic
raise NotImplementedError("Session validation is not yet implemented")
🤖 Prompt for AI Agents 
Verify each finding against the current code and only fix it if needed.

In `@massgen/auth/AuthProviderManager.py` around lines 14 - 17, The
validate_session method currently always returns True which is unsafe; change
its signature to include a return type hint (-> bool), add a Google-style
docstring describing expected behavior and parameters, and instead of returning
True either raise NotImplementedError to prevent accidental use (preferred) or
add a prominent TODO/warning and ensure callers won't use it; update the
function body in AuthProviderManager.validate_session to raise
NotImplementedError with a clear message until a real implementation is
provided.