Feat(Chore, Fix): Refractor, Half Baked Deletion + Admin Privilege

Refractor Codes into sub file/folders
Admin can remove users'/members mfa/2fa, unlink account from  oauth provider
Admin can  add/reset password
Different Email (OIDC + Manual)-Same Account; (Block Linking and authorize if available)
This commit is contained in:
2026-03-04 18:49:04 +05:45
parent ea1bacc794
commit 7cb522b590
63 changed files with 7896 additions and 10863 deletions
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"""OAuthFlowService — public facade and handle_callback dispatcher."""
import logging
from typing import Optional, Tuple
from gatehouse_app.models.auth.authentication_method import OAuthState
from gatehouse_app.utils.constants import AuthMethodType
from gatehouse_app.services.audit_service import AuditService
from gatehouse_app.services.external_auth import ExternalAuthService
from gatehouse_app.services.external_auth.models import ExternalAuthError
from gatehouse_app.services.oauth_flow.login import OAuthFlowError, initiate_login_flow, handle_login_callback
from gatehouse_app.services.oauth_flow.register import initiate_register_flow, handle_register_callback
from gatehouse_app.services.oauth_flow.code import (
generate_authorization_code,
exchange_authorization_code,
create_redirect_response,
)
logger = logging.getLogger(__name__)
class OAuthFlowService:
"""Service for managing OAuth authentication flows."""
@classmethod
def initiate_login_flow(
cls,
provider_type: AuthMethodType,
organization_id: str = None,
redirect_uri: str = None,
state_data: dict = None,
) -> Tuple[str, str]:
return initiate_login_flow(provider_type, organization_id, redirect_uri, state_data)
@classmethod
def initiate_register_flow(
cls,
provider_type: AuthMethodType,
organization_id: str = None,
redirect_uri: str = None,
) -> Tuple[str, str]:
return initiate_register_flow(provider_type, organization_id, redirect_uri)
@classmethod
def handle_callback(
cls,
provider_type: AuthMethodType,
authorization_code: str,
state: str,
redirect_uri: str = None,
error: str = None,
error_description: str = None,
) -> dict:
provider_type_str = provider_type.value if isinstance(provider_type, AuthMethodType) else provider_type
try:
from flask import request
ip_address = request.remote_addr if request else None
user_agent = request.headers.get("User-Agent") if request else None
except RuntimeError:
ip_address = None
user_agent = None
if error:
AuditService.log_external_auth_login_failed(
organization_id=None,
provider_type=provider_type_str,
failure_reason=error,
error_message=error_description or error,
)
raise OAuthFlowError(
error_description or f"OAuth error: {error}",
error.upper() if error else "OAUTH_ERROR",
400,
)
state_record = OAuthState.query.filter_by(state=state).first()
if state_record:
logger.debug(
f"State validation: found=True, used={state_record.used}, "
f"expires_at={state_record.expires_at}, is_valid={state_record.is_valid()}"
)
else:
logger.warning(f"State validation: state token not found in database: {state}")
if not state_record or not state_record.is_valid():
AuditService.log_external_auth_login_failed(
organization_id=state_record.organization_id if state_record else None,
provider_type=provider_type_str,
failure_reason="invalid_state",
error_message="Invalid or expired OAuth state",
)
raise OAuthFlowError("Invalid or expired OAuth state", "INVALID_STATE", 400)
effective_redirect = redirect_uri or state_record.redirect_uri
if state_record.flow_type == "login":
return handle_login_callback(
provider_type=provider_type,
state_record=state_record,
authorization_code=authorization_code,
redirect_uri=effective_redirect,
ip_address=ip_address,
user_agent=user_agent,
)
elif state_record.flow_type == "link":
return cls._handle_link_callback(
provider_type=provider_type,
state_record=state_record,
authorization_code=authorization_code,
redirect_uri=effective_redirect,
)
elif state_record.flow_type == "register":
return handle_register_callback(
provider_type=provider_type,
state_record=state_record,
authorization_code=authorization_code,
redirect_uri=effective_redirect,
)
else:
raise OAuthFlowError(
f"Unknown flow type: {state_record.flow_type}",
"INVALID_FLOW_TYPE",
400,
)
@classmethod
def _handle_link_callback(
cls,
provider_type: AuthMethodType,
state_record: OAuthState,
authorization_code: str,
redirect_uri: str,
) -> dict:
provider_type_str = provider_type.value if isinstance(provider_type, AuthMethodType) else provider_type
try:
auth_method = ExternalAuthService.complete_link_flow(
provider_type=provider_type,
authorization_code=authorization_code,
state=state_record.state,
redirect_uri=redirect_uri,
)
logger.info(
f"OAuth link successful for user={state_record.user_id}, "
f"provider={provider_type_str}, auth_method_id={auth_method.id}"
)
return {
"success": True,
"flow_type": "link",
"linked_account": {
"id": auth_method.id,
"provider_type": provider_type_str,
"provider_user_id": auth_method.provider_user_id,
"verified": auth_method.verified,
},
}
except ExternalAuthError as e:
logger.warning(
f"OAuth link failed for state={state_record.id}, "
f"provider={provider_type_str}, error={e.message}"
)
raise
@classmethod
def validate_state(cls, state: str) -> Optional[OAuthState]:
state_record = OAuthState.query.filter_by(state=state).first()
if state_record and state_record.is_valid():
return state_record
return None
@classmethod
def cleanup_expired_states(cls):
OAuthState.cleanup_expired()
logger.info("Expired OAuth states cleaned up")
@classmethod
def generate_authorization_code(
cls,
user_id: str,
client_id: str,
redirect_uri: str,
scope: list = None,
nonce: str = None,
ip_address: str = None,
user_agent: str = None,
lifetime_seconds: int = 600,
) -> str:
return generate_authorization_code(
user_id, client_id, redirect_uri, scope, nonce, ip_address, user_agent, lifetime_seconds
)
@classmethod
def exchange_authorization_code(
cls,
code: str,
client_id: str,
redirect_uri: str,
ip_address: str = None,
) -> dict:
return exchange_authorization_code(code, client_id, redirect_uri, ip_address)
@classmethod
def create_redirect_response(cls, redirect_uri: str, authorization_code: str, state: str = None):
return create_redirect_response(redirect_uri, authorization_code, state)
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"""Authorization code generation, exchange, and redirect helpers."""
import hashlib
import logging
import secrets
from datetime import datetime, timezone
from typing import Optional
from gatehouse_app.models.oidc.oidc_authorization_code import OIDCAuthCode
from gatehouse_app.services.oauth_flow.login import OAuthFlowError
logger = logging.getLogger(__name__)
def generate_authorization_code(
user_id: str,
client_id: str,
redirect_uri: str,
scope: list = None,
nonce: str = None,
ip_address: str = None,
user_agent: str = None,
lifetime_seconds: int = 600,
) -> str:
code = secrets.token_urlsafe(32)
code_hash = hashlib.sha256(code.encode()).hexdigest()
OIDCAuthCode.create_code(
client_id=client_id,
user_id=user_id,
code_hash=code_hash,
redirect_uri=redirect_uri,
scope=scope,
nonce=nonce,
ip_address=ip_address,
user_agent=user_agent,
lifetime_seconds=lifetime_seconds,
)
logger.info(f"Generated authorization code for user={user_id}, client={client_id}")
return code
def exchange_authorization_code(
code: str,
client_id: str,
redirect_uri: str,
ip_address: str = None,
) -> dict:
code_hash = hashlib.sha256(code.encode()).hexdigest()
auth_code = OIDCAuthCode.query.filter_by(
client_id=client_id,
code_hash=code_hash,
).first()
if not auth_code:
raise OAuthFlowError("Invalid authorization code", "INVALID_CODE", 400)
if not auth_code.is_valid():
if auth_code.is_used:
raise OAuthFlowError(
"Authorization code has already been used", "CODE_USED", 400
)
else:
raise OAuthFlowError("Authorization code has expired", "CODE_EXPIRED", 400)
if auth_code.redirect_uri != redirect_uri:
raise OAuthFlowError("Redirect URI mismatch", "INVALID_REDIRECT_URI", 400)
from gatehouse_app.models import User
user = User.query.get(auth_code.user_id)
if not user:
raise OAuthFlowError("User not found", "USER_NOT_FOUND", 404)
user_orgs = user.get_organizations()
target_org = None
if len(user_orgs) == 1:
target_org = user_orgs[0]
if not target_org:
raise OAuthFlowError(
"User does not have a default organization. Organization selection required.",
"ORG_SELECTION_REQUIRED",
400,
)
from gatehouse_app.services.auth_service import AuthService
session = AuthService.create_session(user=user, is_compliance_only=False)
auth_code.mark_as_used()
session_dict = session.to_dict()
session_dict["token"] = session.token
expires_at = session.expires_at
if expires_at.tzinfo is None:
expires_at = expires_at.replace(tzinfo=timezone.utc)
now = datetime.now(timezone.utc)
session_dict["expires_in"] = int((expires_at - now).total_seconds())
logger.info(
f"Authorization code exchanged for session: user={user.id}, "
f"org_id={target_org.id}, client={client_id}"
)
return {
"success": True,
"token": session_dict["token"],
"expires_in": session_dict["expires_in"],
"token_type": "Bearer",
"user": {
"id": user.id,
"email": user.email,
"full_name": user.full_name,
"organization_id": target_org.id,
},
}
def create_redirect_response(
redirect_uri: str,
authorization_code: str,
state: str = None,
):
from urllib.parse import urlencode, urlparse, urlunparse
from flask import redirect
parsed = urlparse(redirect_uri)
params = {"code": authorization_code}
if state:
params["state"] = state
redirect_url = urlunparse((
parsed.scheme,
parsed.netloc,
parsed.path,
parsed.params,
urlencode(params),
parsed.fragment,
))
logger.info(f"Redirecting to {parsed.scheme}://{parsed.netloc} with authorization code")
return redirect(redirect_url)
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"""Login flow: initiate and handle OAuth login callback."""
import logging
import secrets
from datetime import datetime, timezone
from typing import Optional, Tuple
from gatehouse_app.models import User, AuthenticationMethod
from gatehouse_app.models.auth.authentication_method import OAuthState
from gatehouse_app.utils.constants import AuthMethodType, AuditAction
from gatehouse_app.services.audit_service import AuditService
from gatehouse_app.services.external_auth import ExternalAuthService
from gatehouse_app.services.external_auth.models import ExternalAuthError
logger = logging.getLogger(__name__)
class OAuthFlowError(Exception):
def __init__(self, message: str, error_type: str, status_code: int = 400):
self.message = message
self.error_type = error_type
self.status_code = status_code
super().__init__(message)
def initiate_login_flow(
provider_type: AuthMethodType,
organization_id: str = None,
redirect_uri: str = None,
state_data: dict = None,
) -> Tuple[str, str]:
try:
from flask import request
except Exception:
request = None
try:
ip_address = request.remote_addr if request else None
user_agent = request.headers.get("User-Agent") if request else None
except RuntimeError:
ip_address = None
user_agent = None
provider_type_str = provider_type.value if isinstance(provider_type, AuthMethodType) else provider_type
try:
config = ExternalAuthService.get_provider_config(provider_type, organization_id)
if redirect_uri and not config.is_redirect_uri_allowed(redirect_uri):
raise OAuthFlowError("Invalid redirect URI", "INVALID_REDIRECT_URI", 400)
code_verifier = None
code_challenge = None
if provider_type_str not in ['google', 'microsoft']:
code_verifier = secrets.token_urlsafe(32)
code_challenge = ExternalAuthService._compute_s256_challenge(code_verifier)
logger.info(
f"[PKCE DEBUG] Provider type check: provider_type_str='{provider_type_str}', "
f"is_google={provider_type_str in ['google']}, "
f"will_skip_pkce={provider_type_str in ['google', 'microsoft']}"
)
state = OAuthState.create_state(
flow_type="login",
provider_type=provider_type,
organization_id=organization_id,
redirect_uri=redirect_uri or (config.redirect_uris[0] if config.redirect_uris else None),
code_verifier=code_verifier,
code_challenge=code_challenge,
extra_data=state_data,
lifetime_seconds=600,
)
logger.info(
f"[PKCE DEBUG] Created OAuthState object:\n"
f" state.id: {state.id}\n"
f" state.provider_type: {state.provider_type}\n"
f" state.code_challenge: {state.code_challenge}\n"
f" state.code_verifier: {state.code_verifier[:20] if state.code_verifier else None}..."
)
auth_url = ExternalAuthService._build_authorization_url(config=config, state=state)
logger.info(
f"OAuth login flow initiated for provider={provider_type_str}, "
f"org_id={organization_id}, state_token={state.state}, state_record_id={state.id}"
)
logger.info(
f"[PKCE DEBUG] FINAL CHECK: code_challenge={code_challenge}, "
f"code_verifier={code_verifier[:20] if code_verifier else None}..., "
f"auth_url_has_challenge={'code_challenge=' in auth_url}, "
f"returned_auth_url={auth_url}"
)
return auth_url, state.state
except ExternalAuthError as e:
AuditService.log_action(
action=AuditAction.EXTERNAL_AUTH_LOGIN_FAILED,
organization_id=organization_id,
metadata={
"provider_type": provider_type_str,
"failure_reason": e.error_type,
"ip_address": ip_address,
},
description=f"OAuth login initiation failed: {e.message}",
success=False,
error_message=e.message,
)
raise
def handle_login_callback(
provider_type: AuthMethodType,
state_record: OAuthState,
authorization_code: str,
redirect_uri: str,
ip_address: str = None,
user_agent: str = None,
) -> dict:
from gatehouse_app.services.external_auth._helpers import _encrypt_provider_data
provider_type_str = provider_type.value if isinstance(provider_type, AuthMethodType) else provider_type
try:
config = ExternalAuthService.get_provider_config(
provider_type, state_record.organization_id
)
logger.debug(
f"Exchanging code with PKCE: state_record.code_verifier="
f"{state_record.code_verifier[:20] if state_record.code_verifier else None}..."
)
tokens = ExternalAuthService._exchange_code(
config=config,
code=authorization_code,
redirect_uri=redirect_uri,
code_verifier=state_record.code_verifier,
)
user_info = ExternalAuthService._get_user_info(
config=config,
access_token=tokens["access_token"],
)
if not user_info.get("provider_user_id"):
raise OAuthFlowError(
"Provider did not return a user identifier (sub claim). "
"Cannot complete authentication.",
"MISSING_PROVIDER_USER_ID",
400,
)
if not user_info.get("email"):
raise OAuthFlowError(
"Provider did not return an email address. "
"Cannot complete authentication.",
"MISSING_EMAIL",
400,
)
logger.debug(
f"Got user_info from provider: sub={user_info['provider_user_id']}, "
f"email={user_info['email']}, email_verified={user_info.get('email_verified')}"
)
# Find the active auth method for this provider identity.
# Order by created_at DESC so that an explicitly linked (newer) row wins
# over an older auto-created primary row when the same Google identity
# was linked to a second profile.
auth_method = (
AuthenticationMethod.query
.filter_by(
method_type=provider_type,
provider_user_id=user_info["provider_user_id"],
deleted_at=None,
)
.order_by(AuthenticationMethod.created_at.desc())
.first()
)
if not auth_method:
deleted_method = (
AuthenticationMethod.query
.filter_by(
method_type=provider_type,
provider_user_id=user_info["provider_user_id"],
)
.order_by(AuthenticationMethod.created_at.desc())
.first()
)
if deleted_method:
logger.info(
f"OAuth login: restoring previously unlinked {provider_type_str} "
f"auth method for user {deleted_method.user_id}"
)
deleted_method.deleted_at = None
deleted_method.provider_data = _encrypt_provider_data(tokens, user_info)
deleted_method.last_used_at = datetime.utcnow()
deleted_method.save()
auth_method = deleted_method
else:
existing_user = User.query.filter_by(email=user_info["email"], deleted_at=None).first()
if existing_user:
logger.info(
f"OAuth login: email {user_info['email']} matches existing user "
f"{existing_user.id}, auto-linking {provider_type_str} account"
)
auth_method = AuthenticationMethod(
user_id=existing_user.id,
method_type=provider_type,
provider_user_id=user_info["provider_user_id"],
provider_data=_encrypt_provider_data(tokens, user_info),
verified=user_info.get("email_verified", False),
is_primary=False,
last_used_at=datetime.utcnow(),
)
auth_method.save()
user = existing_user
else:
logger.info(
f"OAuth login: no account for {user_info['email']}, "
f"auto-creating user via {provider_type_str}"
)
user = User(
email=user_info["email"],
full_name=user_info.get("name", ""),
status="active",
email_verified=user_info.get("email_verified", False),
)
user.save()
auth_method = AuthenticationMethod(
user_id=user.id,
method_type=provider_type,
provider_user_id=user_info["provider_user_id"],
provider_data=_encrypt_provider_data(tokens, user_info),
verified=user_info.get("email_verified", False),
is_primary=True,
last_used_at=datetime.utcnow(),
)
auth_method.save()
AuditService.log_action(
action="user.register",
user_id=user.id,
organization_id=state_record.organization_id,
resource_type="user",
resource_id=user.id,
metadata={
"provider_type": provider_type_str,
"provider_user_id": user_info["provider_user_id"],
"auto_registered": True,
},
description=f"User auto-registered via {provider_type_str} OAuth",
success=True,
)
else:
auth_method.provider_data = _encrypt_provider_data(tokens, user_info)
auth_method.last_used_at = datetime.utcnow()
auth_method.save()
user = auth_method.user
user_orgs = user.get_organizations()
target_org = None
if state_record.organization_id:
target_org = next(
(org for org in user_orgs if org.id == state_record.organization_id),
None,
)
if not target_org and len(user_orgs) == 1:
target_org = user_orgs[0]
if not target_org and len(user_orgs) > 1:
# Multiple orgs and none specified in the OAuth state — pick the one the
# user joined most recently (highest created_at on their membership row).
# Users can switch organisations inside the app after logging in.
from gatehouse_app.models.organization.organization_member import OrganizationMember as _OM
latest_membership = (
_OM.query
.filter_by(user_id=user.id, deleted_at=None)
.order_by(_OM.created_at.desc())
.first()
)
if latest_membership:
target_org = latest_membership.organization
else:
target_org = user_orgs[0]
if not target_org and len(user_orgs) == 0:
from gatehouse_app.models.organization.org_invite_token import OrgInviteToken
from gatehouse_app.services.auth_service import AuthService as _AS
_now = datetime.now(timezone.utc)
_session = _AS.create_session(user=user, is_compliance_only=False)
_session_dict = _session.to_dict()
_session_dict["token"] = _session.token
_expires_at = _session.expires_at
if _expires_at.tzinfo is None:
_expires_at = _expires_at.replace(tzinfo=timezone.utc)
_session_dict["expires_in"] = int((_expires_at - _now).total_seconds())
_pending = OrgInviteToken.query.filter(
OrgInviteToken.email == user.email,
OrgInviteToken.accepted_at.is_(None),
OrgInviteToken.expires_at > _now,
OrgInviteToken.deleted_at.is_(None),
).all()
_pending_list = [
{
"token": inv.token,
"organization": {"id": str(inv.organization_id), "name": inv.organization.name},
"role": inv.role,
"expires_at": inv.expires_at.isoformat(),
}
for inv in _pending
]
state_record.mark_used()
logger.info(
f"OAuth login: user {user.id} has no org, redirecting to org-setup "
f"(pending_invites={len(_pending_list)})"
)
return {
"success": True,
"flow_type": "login",
"requires_org_creation": True,
"user": {"id": user.id, "email": user.email, "full_name": user.full_name},
"session": _session_dict,
"pending_invites": _pending_list,
"state": state_record.state,
}
if not target_org:
state_record.mark_used()
logger.info(
f"OAuth login requires org selection for user={user.id}, "
f"provider={provider_type_str}, org_count={len(user_orgs)}"
)
return {
"success": True,
"flow_type": "login",
"requires_org_selection": True,
"user": {"id": user.id, "email": user.email, "full_name": user.full_name},
"available_organizations": [
{
"id": org.id,
"name": org.name,
"slug": org.slug if hasattr(org, "slug") else None,
}
for org in user_orgs
],
"state": state_record.state,
}
from gatehouse_app.services.auth_service import AuthService
session = AuthService.create_session(user=user, is_compliance_only=False)
state_record.mark_used()
AuditService.log_external_auth_login(
user_id=user.id,
organization_id=target_org.id,
provider_type=provider_type_str,
provider_user_id=user_info["provider_user_id"],
auth_method_id=auth_method.id,
session_id=session.id,
)
logger.info(
f"OAuth login successful for user={user.id}, "
f"provider={provider_type_str}, org_id={target_org.id}"
)
session_dict = session.to_dict()
session_dict["token"] = session.token
expires_at = session.expires_at
if expires_at.tzinfo is None:
expires_at = expires_at.replace(tzinfo=timezone.utc)
now = datetime.now(timezone.utc)
session_dict["expires_in"] = int((expires_at - now).total_seconds())
return {
"success": True,
"flow_type": "login",
"user": {
"id": user.id,
"email": user.email,
"full_name": user.full_name,
"organization_id": target_org.id,
},
"session": session_dict,
}
except ExternalAuthError as e:
logger.warning(
f"OAuth login failed for state={state_record.id}, "
f"provider={provider_type_str}, error={e.message}"
)
raise
except OAuthFlowError:
raise
except Exception as e:
logger.error(f"Unexpected error in OAuth login callback: {str(e)}", exc_info=True)
raise OAuthFlowError("An unexpected error occurred during login", "INTERNAL_ERROR", 500)
@@ -0,0 +1,248 @@
"""Registration flow: initiate and handle OAuth register callback."""
import logging
import secrets
from datetime import datetime, timezone
from typing import Optional, Tuple
from gatehouse_app.models import User, AuthenticationMethod
from gatehouse_app.models.auth.authentication_method import OAuthState
from gatehouse_app.utils.constants import AuthMethodType, AuditAction
from gatehouse_app.services.audit_service import AuditService
from gatehouse_app.services.external_auth import ExternalAuthService
from gatehouse_app.services.external_auth.models import ExternalAuthError
from gatehouse_app.services.oauth_flow.login import OAuthFlowError
logger = logging.getLogger(__name__)
def initiate_register_flow(
provider_type: AuthMethodType,
organization_id: str = None,
redirect_uri: str = None,
) -> Tuple[str, str]:
provider_type_str = provider_type.value if isinstance(provider_type, AuthMethodType) else provider_type
try:
config = ExternalAuthService.get_provider_config(provider_type, organization_id)
if redirect_uri and not config.is_redirect_uri_allowed(redirect_uri):
raise OAuthFlowError("Invalid redirect URI", "INVALID_REDIRECT_URI", 400)
code_verifier = None
code_challenge = None
if provider_type_str not in ['google', 'microsoft']:
code_verifier = secrets.token_urlsafe(32)
code_challenge = ExternalAuthService._compute_s256_challenge(code_verifier)
logger.info(
f"[PKCE DEBUG] Register flow - Provider type check: provider_type_str='{provider_type_str}', "
f"is_google={provider_type_str in ['google']}, "
f"will_skip_pkce={provider_type_str in ['google', 'microsoft']}"
)
state = OAuthState.create_state(
flow_type="register",
provider_type=provider_type,
organization_id=organization_id,
redirect_uri=redirect_uri or (config.redirect_uris[0] if config.redirect_uris else None),
code_verifier=code_verifier,
code_challenge=code_challenge,
lifetime_seconds=600,
)
logger.info(
f"[PKCE DEBUG] Register flow - Created OAuthState:\n"
f" state.id: {state.id}\n"
f" state.code_challenge: {state.code_challenge}\n"
f" state.code_verifier: {state.code_verifier[:20] if state.code_verifier else None}..."
)
auth_url = ExternalAuthService._build_authorization_url(config=config, state=state)
logger.info(
f"OAuth register flow initiated for provider={provider_type_str}, "
f"org_id={organization_id}, state_id={state.id}"
)
logger.info(
f"[PKCE DEBUG] Register flow - FINAL: auth_url_has_challenge={'code_challenge=' in auth_url}"
)
return auth_url, state.state
except ExternalAuthError as e:
AuditService.log_action(
action=AuditAction.EXTERNAL_AUTH_LOGIN_FAILED,
organization_id=organization_id,
metadata={
"provider_type": provider_type_str,
"failure_reason": e.error_type,
},
description=f"OAuth registration initiation failed: {e.message}",
success=False,
error_message=e.message,
)
raise
def handle_register_callback(
provider_type: AuthMethodType,
state_record: OAuthState,
authorization_code: str,
redirect_uri: str,
) -> dict:
from gatehouse_app.services.external_auth._helpers import _encrypt_provider_data
provider_type_str = provider_type.value if isinstance(provider_type, AuthMethodType) else provider_type
try:
config = ExternalAuthService.get_provider_config(
provider_type, state_record.organization_id
)
tokens = ExternalAuthService._exchange_code(
config=config,
code=authorization_code,
redirect_uri=redirect_uri,
code_verifier=state_record.code_verifier,
)
user_info = ExternalAuthService._get_user_info(
config=config,
access_token=tokens["access_token"],
)
existing_user = User.query.filter_by(email=user_info["email"]).first()
if existing_user:
raise OAuthFlowError(
f"An account with email {user_info['email']} already exists. "
"Please log in with your password and link your Google account from settings.",
"EMAIL_EXISTS",
400,
)
user = User(
email=user_info["email"],
full_name=user_info.get("name", ""),
status="active",
email_verified=user_info.get("email_verified", False),
)
user.save()
auth_method = AuthenticationMethod(
user_id=user.id,
method_type=provider_type,
provider_user_id=user_info["provider_user_id"],
provider_data=_encrypt_provider_data(tokens, user_info),
verified=user_info.get("email_verified", False),
is_primary=True,
last_used_at=datetime.utcnow(),
)
auth_method.save()
state_record.mark_used()
AuditService.log_action(
action="user.register",
user_id=user.id,
organization_id=state_record.organization_id,
resource_type="user",
resource_id=user.id,
metadata={
"provider_type": provider_type_str,
"provider_user_id": user_info["provider_user_id"],
"auth_method_id": auth_method.id,
},
description=f"User registered via {provider_type_str}",
success=True,
)
AuditService.log_external_auth_link_completed(
user_id=user.id,
organization_id=state_record.organization_id,
provider_type=provider_type_str,
provider_user_id=user_info["provider_user_id"],
auth_method_id=auth_method.id,
)
logger.info(
f"OAuth registration successful for email={user_info['email']}, "
f"provider={provider_type_str}, user_id={user.id}"
)
if state_record.organization_id:
from gatehouse_app.models.organization.organization import Organization
org = Organization.query.get(state_record.organization_id)
if org:
from gatehouse_app.services.auth_service import AuthService
session = AuthService.create_session(user=user, is_compliance_only=False)
session_dict = session.to_dict()
session_dict["token"] = session.token
expires_at = session.expires_at
if expires_at.tzinfo is None:
expires_at = expires_at.replace(tzinfo=timezone.utc)
now = datetime.now(timezone.utc)
session_dict["expires_in"] = int((expires_at - now).total_seconds())
return {
"success": True,
"flow_type": "register",
"user": {
"id": user.id,
"email": user.email,
"full_name": user.full_name,
"organization_id": org.id,
},
"session": session_dict,
}
from gatehouse_app.services.auth_service import AuthService as _AS
from gatehouse_app.models.organization.org_invite_token import OrgInviteToken
_session = _AS.create_session(user=user, is_compliance_only=False)
_session_dict = _session.to_dict()
_session_dict["token"] = _session.token
_expires_at = _session.expires_at
if _expires_at.tzinfo is None:
_expires_at = _expires_at.replace(tzinfo=timezone.utc)
_now = datetime.now(timezone.utc)
_session_dict["expires_in"] = int((_expires_at - _now).total_seconds())
_pending = OrgInviteToken.query.filter(
OrgInviteToken.email == user.email,
OrgInviteToken.accepted_at.is_(None),
OrgInviteToken.expires_at > _now,
OrgInviteToken.deleted_at.is_(None),
).all()
_pending_list = [
{
"token": inv.token,
"organization": {"id": str(inv.organization_id), "name": inv.organization.name},
"role": inv.role,
"expires_at": inv.expires_at.isoformat(),
}
for inv in _pending
]
return {
"success": True,
"flow_type": "register",
"requires_org_creation": True,
"user": {"id": user.id, "email": user.email, "full_name": user.full_name},
"session": _session_dict,
"pending_invites": _pending_list,
"state": state_record.state,
}
except ExternalAuthError as e:
logger.warning(
f"OAuth registration failed for state={state_record.id}, "
f"provider={provider_type_str}, error={e.message}"
)
raise
except OAuthFlowError:
raise
except Exception as e:
logger.error(f"Unexpected error in OAuth registration callback: {str(e)}", exc_info=True)
raise OAuthFlowError(
"An unexpected error occurred during registration",
"INTERNAL_ERROR",
500,
)