[IMP] cetmix_tower_server: Access to server fields #182
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WalkthroughThe pull request introduces significant modifications to the Cetmix Tower Server module, focusing on enhancing access control for server connection settings. The changes primarily involve adding group-based restrictions to sensitive server configuration fields, ensuring that only users in the Changes
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cetmix_tower_server/models/cx_tower_server.py (2)
743-747: Ensure consistent use of sudo() throughout the method.While adding
sudo()for checkingssh_usernameanduse_sudoattributes is good for security, consider applying it consistently to all attribute accesses in this method for better maintainability.Consider applying this pattern:
-if self.sudo().ssh_username != "root" and self.sudo().use_sudo: - sudo = self.sudo().use_sudo +self_sudo = self.sudo() +if self_sudo.ssh_username != "root" and self_sudo.use_sudo: + sudo = self_sudo.use_sudo -elif sudo and self.sudo().ssh_username == "root": +elif sudo and self_sudo.ssh_username == "root": sudo = None
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563-574: Enhance error handling in the _connect method.While adding
sudo()for server connection is good, consider improving the error handling to provide more specific error messages based on the type of connection failure (e.g., authentication failure, network unreachable, etc.).Consider this approach:
self = self.sudo() try: client = SSH( host=self.ip_v4_address or self.ip_v6_address, port=self.ssh_port, username=self.ssh_username, mode=self.ssh_auth_mode, password=self._get_password(), ssh_key=self._get_ssh_key(), ) except Exception as e: + error_msg = str(e) + if "Authentication failed" in error_msg: + error_msg = _("SSH authentication failed. Please check your credentials.") + elif "Connection refused" in error_msg: + error_msg = _("Connection refused. Please check if the server is running and accessible.") + elif "Network is unreachable" in error_msg: + error_msg = _("Network is unreachable. Please check your network connection.") if raise_on_error: - raise ValidationError(_("SSH connection error %(err)s", err=e)) from e + raise ValidationError(_("SSH connection error: %(err)s", err=error_msg)) from e else: - return False, e + return False, error_msgcetmix_tower_server/views/cx_tower_server_view.xml (2)
108-135: Consider removing redundant group restriction in view.Since the fields (
os_id,ip_v4_address,ip_v6_address) already have group restrictions defined at the model level, thegroups_idfield in the view might be unnecessary. The model-level restrictions will automatically handle the access control.Consider this simplified approach:
<record id="cx_tower_server_view_kanban_manager" model="ir.ui.view"> <field name="name">cx.tower.server.view.kanban</field> <field name="model">cx.tower.server</field> <field name="inherit_id" ref="cetmix_tower_server.cx_tower_server_view_kanban" /> - <field - name="groups_id" - eval="[(4, ref('cetmix_tower_server.group_manager'))]" - /> <field name="arch" type="xml"> <xpath expr="//div[hasclass('o_kanban_primary_right')]" position="inside"> <!-- ... rest of the view definition ... --> </xpath> </field> </record>
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375-399: Optimize group restrictions in search view.The
groupsattribute on theos_idfield is redundant as it's already restricted at the model level. However, the group restriction on the "Group By OS" filter is correct and necessary as it's a view-specific feature.Consider this optimization:
- <field name="os_id" groups="cetmix_tower_server.group_manager" /> + <field name="os_id" /> <field name="tag_ids" /> <!-- ... other fields ... --> <filter string="OS" name="group_by_os" domain="[]" context="{'group_by': 'os_id'}" groups="cetmix_tower_server.group_manager" />
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cetmix_tower_server/views/cx_tower_server_view.xml (1)
Learnt from: ivs-cetmix
PR: cetmix/cetmix-tower#147
File: cetmix_tower_server/views/cx_tower_file_view.xml:160-160
Timestamp: 2024-11-24T22:56:35.204Z
Learning: In Odoo, when groups are defined at the model level, it's unnecessary to specify them again in the view fields.
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🔇 Additional comments (1)
cetmix_tower_server/models/cx_tower_server.py (1)
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282-340: Well-structured security enhancement for sensitive server fields!The consistent application of group-based access control (
groups="cetmix_tower_server.group_manager") to all sensitive server connection fields is a good security practice. This ensures that only users with appropriate permissions can access critical server details.
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cetmix_tower_server/views/cx_tower_server_view.xml (1)
375-375: Consider removing redundant group restrictions.Based on previous feedback, when groups are defined at the model level, it's unnecessary to specify them again in the view fields.
- <field name="os_id" groups="cetmix_tower_server.group_manager" /> + <field name="os_id" />- groups="cetmix_tower_server.group_manager" +Also applies to: 399-399
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cetmix_tower_server/views/cx_tower_server_view.xml (1)
Learnt from: ivs-cetmix
PR: cetmix/cetmix-tower#147
File: cetmix_tower_server/views/cx_tower_file_view.xml:160-160
Timestamp: 2024-11-24T22:56:35.204Z
Learning: In Odoo, when groups are defined at the model level, it's unnecessary to specify them again in the view fields.
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🔇 Additional comments (2)
cetmix_tower_server/views/cx_tower_server_view.xml (1)
108-135: LGTM! Well-structured view inheritance for manager-specific fields.The implementation correctly extends the base kanban view while maintaining proper access control and visibility conditions.
cetmix_tower_server/readme/CONFIGURE.md (1)
43-44: LGTM! Clear documentation update.The added note effectively communicates the access-level-based field visibility to users.
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cetmix_tower_server/views/cx_tower_server_view.xml (2)
108-135: Consider removing redundant field declarations.Based on the retrieved learning from PR #147, since these fields (
os_id,ip_v4_address,ip_v6_address) are already defined with group restrictions at the model level, it's unnecessary to create a separate inherited view just for managers. The base kanban view can directly use these fields, and Odoo will automatically handle the access control.Consider removing this entire view and moving the field declarations to the base kanban view's content section. The model-level group restrictions will automatically apply.
375-375: Optimize group restrictions in search view.
- The group restriction on the
os_idfield (line 375) is redundant if the field is already restricted at the model level.- However, the group restriction on the "Group By OS" filter (line 399) should be retained as it's a view-specific feature.
Remove the redundant group restriction from the
os_idfield while keeping it for the "Group By OS" filter:- <field name="os_id" groups="cetmix_tower_server.group_manager" /> + <field name="os_id" />Also applies to: 399-399
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cetmix_tower_server/views/cx_tower_server_view.xml (1)
Learnt from: ivs-cetmix
PR: cetmix/cetmix-tower#147
File: cetmix_tower_server/views/cx_tower_file_view.xml:160-160
Timestamp: 2024-11-24T22:56:35.204Z
Learning: In Odoo, when groups are defined at the model level, it's unnecessary to specify them again in the view fields.
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cetmix_tower_server/models/cx_tower_server.py (1)
563-563: Avoid Overwritingselfwithself.sudo()Reassigning
selfwithself.sudo()can lead to confusion and unintended side effects. It's clearer and safer to store the result in a new variable or useself.sudo()directly when accessing attributes.Refactor the code to avoid reassigning
self:def _connect(self, raise_on_error=True): self.ensure_one() - self = self.sudo() try: + sudo_self = self.sudo() client = SSH( - host=self.ip_v4_address or self.ip_v6_address, - port=self.ssh_port, - username=self.ssh_username, - mode=self.ssh_auth_mode, - password=self._get_password(), - ssh_key=self._get_ssh_key(), + host=sudo_self.ip_v4_address or sudo_self.ip_v6_address, + port=sudo_self.ssh_port, + username=sudo_self.ssh_username, + mode=sudo_self.ssh_auth_mode, + password=sudo_self._get_password(), + ssh_key=sudo_self._get_ssh_key(), )
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cetmix_tower_server/models/cetmix_tower.py (1)
Learnt from: ivs-cetmix
PR: cetmix/cetmix-tower#174
File: cetmix_tower_server/models/cetmix_tower.py:130-132
Timestamp: 2025-01-06T12:28:58.379Z
Learning: SSH credentials (username, password, and/or key) are controlled at the server level, so an additional validation in the `server_check_ssh_connection` method is not needed.
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cetmix_tower_server/models/cx_tower_server.py (2)
677-677: Ensure Elevated Access is NecessaryUsing
self.sudo()inget_variable_valuessuggests that elevated permissions are required. Confirm that this is necessary and that it doesn't unintentionally expose sensitive data to unauthorized users.Please verify that
self.sudo()is required here and consider potential security implications.
743-744: Consistent Use of Elevated PermissionsAccessing
ssh_usernameanduse_sudowithself.sudo()ensures that fields restricted by groups are accessible. Ensure that this pattern is used consistently where needed and that it complies with your security model.Also applies to: 747-747
cetmix_tower_server/models/cetmix_tower.py (1)
134-136: Verify Necessity of Elevatingservertosudo()Adding
server = server.sudo()elevates access rights to all fields ofserver. According to previous learnings, SSH credentials are managed at the server level, and additional validation might not be necessary.Based on retrieved learnings:
Learning: SSH credentials (username, password, and/or key) are controlled at the server level, so an additional validation in the `server_check_ssh_connection` method is not needed.Please verify if elevating
servertosudo()is required in this context, and ensure it aligns with the application's security policies without introducing unintended access.✅ Verification successful
The
sudo()elevation is necessary and correctly implementedThe elevation is required to access sensitive SSH credentials (password, keys) which are protected fields. This follows the application's security model where sensitive fields require elevated access, as evidenced by similar patterns across the codebase for handling SSH credentials and secret values.
🏁 Scripts executed
The following scripts were executed for the analysis:
Error: No shell scripts found
Script:
#!/bin/bash # Get the complete file content cat cetmix_tower_server/models/cetmix_tower.py # Look for similar sudo() patterns rg "sudo\(\)" -A 3 -B 3 # Look for field definitions that might be sensitive ast-grep --pattern 'fields.$_ = fields.$_($$$)'Length of output: 20443
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cetmix_tower_server/tests/test_command.py (1)
532-541: Enhance test coverage for SSH command execution.The test case verifies that a user with "cetmix_tower_server.group_user" can execute SSH commands, but it could be more robust. Consider these improvements:
- Verify the command execution result
- Add assertions to validate successful execution
- Include error handling test cases
- Check the command output
Here's a suggested implementation:
# Check that user with "cetmix_tower_server.group_user" can execute ssh command test_command.write( { "code": "ls -l", } ) - self.server_test_1.with_user(self.user_bob).execute_command( + result = self.server_test_1.with_user(self.user_bob).execute_command( test_command, ) + self.assertEqual(result['status'], 0, "Command execution should succeed") + self.assertIsNotNone(result['response'], "Command should return a response") + self.assertIsNone(result['error'], "Command should not return an error") + + # Test error handling + test_command.write({'code': 'invalid_command'}) + result = self.server_test_1.with_user(self.user_bob).execute_command( + test_command, + ) + self.assertNotEqual(result['status'], 0, "Invalid command should fail") + self.assertIsNotNone(result['error'], "Invalid command should return an error")
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| @@ -529,6 +529,16 @@ def test_user_access_rule(self): | |||
| # Ensure that user can access the command | |||
| command_name = test_command_1_as_bob.name | |||
| self.assertEqual(command_name, "Test command", msg="Must return 'Test command'") | |||
| # Check that user with "cetmix_tower_server.group_user" can execute ssh command | |||
| test_command.write( | |||
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I think we need to update this method too. And add some read operations to ensure that they don't trigger any access issues.
However let's merge #181 first
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cetmix_tower_server/wizards/cx_tower_command_execute_wizard.py (1)
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171-186: Add sudo access control check in execute_command_on_server method.While the method checks for manager group access for the path, it doesn't verify sudo access permissions before passing the sudo parameter to
execute_command. This could potentially allow unauthorized users to execute commands with sudo privileges.Consider adding a sudo access check:
def execute_command_on_server(self): """Render selected command rendered using server method""" # Check if command is selected if not self.command_id: raise ValidationError(_("Please select a command to execute")) + # Check sudo access + if self.use_sudo and not self.env.user.has_group("cetmix_tower_server.group_manager"): + raise AccessError(_("You are not allowed to execute commands with sudo privileges")) # Generate custom label. Will be used later to locate the command log log_label = generate_random_id(4) path_value = ( self.env.user.has_group("cetmix_tower_server.group_manager") and self.path )
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cetmix_tower_server/views/cx_tower_server_view.xml (1)
108-118: Remove redundant groups restriction and use unique view name.Based on the model-level field restrictions, the
groups_idfield is redundant. Also, the view name should be unique to avoid confusion.Apply this diff:
<record id="cx_tower_server_view_kanban_manager" model="ir.ui.view"> - <field name="name">cx.tower.server.view.kanban</field> + <field name="name">cx.tower.server.view.kanban.manager</field> <field name="model">cx.tower.server</field> <field name="inherit_id" ref="cetmix_tower_server.cx_tower_server_view_kanban" /> - <field - name="groups_id" - eval="[(4, ref('cetmix_tower_server.group_manager'))]" - />cetmix_tower_server/wizards/cx_tower_command_execute_wizard.py (2)
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102-102: Remove TODO comment and clarify the single-server requirement.The comment
# TODO testing only!!!suggests temporary code. If this is a requirement for production, please remove the TODO comment and add a proper comment explaining why only the first server is used.
Line range hint
171-246: Consider extracting common security checks into a decorator.The security checks for manager group access and sudo privileges are scattered across methods. Consider extracting these into a decorator for better maintainability and consistency.
Example implementation:
from functools import wraps def require_manager_for_sudo(method): @wraps(method) def wrapper(self, *args, **kwargs): if self.use_sudo and not self.env.user.has_group("cetmix_tower_server.group_manager"): raise AccessError(_("You are not allowed to execute commands with sudo privileges")) return method(self, *args, **kwargs) return wrapper # Usage: @require_manager_for_sudo def execute_command_on_server(self): # Method implementation pass
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cetmix_tower_server/models/cetmix_tower.py(1 hunks)cetmix_tower_server/models/cx_tower_server.py(6 hunks)cetmix_tower_server/readme/CONFIGURE.md(1 hunks)cetmix_tower_server/tests/test_command.py(1 hunks)cetmix_tower_server/views/cx_tower_server_view.xml(2 hunks)cetmix_tower_server/wizards/cx_tower_command_execute_wizard.py(1 hunks)
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- cetmix_tower_server/models/cetmix_tower.py
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- cetmix_tower_server/tests/test_command.py
- cetmix_tower_server/models/cx_tower_server.py
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📓 Learnings (1)
cetmix_tower_server/views/cx_tower_server_view.xml (1)
Learnt from: ivs-cetmix
PR: cetmix/cetmix-tower#147
File: cetmix_tower_server/views/cx_tower_file_view.xml:160-160
Timestamp: 2024-11-24T22:56:35.204Z
Learning: In Odoo, when groups are defined at the model level, it's unnecessary to specify them again in the view fields.
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🔇 Additional comments (3)
cetmix_tower_server/views/cx_tower_server_view.xml (2)
120-133: LGTM! Clean implementation of manager-specific fields.The field visibility conditions and structure are well implemented, following Odoo's best practices.
399-399: Remove redundant groups restriction from filter.Since the OS field is already restricted at the model level, the groups restriction on the filter is redundant.
Apply this diff:
<filter string="OS" name="group_by_os" domain="[]" context="{'group_by': 'os_id'}" - groups="cetmix_tower_server.group_manager" />cetmix_tower_server/wizards/cx_tower_command_execute_wizard.py (1)
56-56:⚠️ Potential issueImplement sudo handling in the compute method.
The addition of
compute_sudo=Truesuggests that sudo privileges should affect the rendered code, but the_compute_rendered_codemethod doesn't utilize theuse_sudofield. This could lead to a security gap where sudo privileges aren't properly considered during code rendering.Consider updating the compute method to handle sudo privileges. Here's a suggested implementation:
@api.depends("code", "server_ids", "action") def _compute_rendered_code(self): for record in self: if record.server_ids and len(record.server_ids) == 1: server_id = record.server_ids[0] # Get variable list variables = record.get_variables() # Get variable values variable_values = server_id.get_variable_values( variables.get(str(record.id)) ) + # Check sudo access + if record.use_sudo and not self.env.user.has_group('cetmix_tower_server.group_manager'): + record.rendered_code = False + return # Render template if variable_values: record.rendered_code = record.render_code( pythonic_mode=record.action == "python_code", + use_sudo=bool(record.use_sudo), **variable_values.get(server_id.id), ).get(self.id) else: record.rendered_code = record.code else: record.rendered_code = record.codeLet's verify the sudo-related access controls:
Limit access to the following fields of the cx.tower.server odel to Manager and Root: - OS - IP v4 Address - IP v6 Address - SSH username - SSH Port - SSS auth mode - SSH key - Use sudo Task: 4116
- Add test to execute command with user tower access - Delete group for search view Task 4116
- Fix access error of code rendering in wizard Task: 4116
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cetmix_tower_server/views/cx_tower_server_view.xml (1)
399-399: Redundantgroupsattribute on search filterThe
groups="cetmix_tower_server.group_manager"attribute on thegroup_by_osfilter in the search view might be redundant if theos_idfield is already restricted. Users without access toos_idwon't see or be able to use this filter.Consider removing the
groupsattribute from the filter or confirm that it serves a necessary purpose.
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📓 Learnings (1)
cetmix_tower_server/views/cx_tower_server_view.xml (1)
Learnt from: ivs-cetmix
PR: cetmix/cetmix-tower#147
File: cetmix_tower_server/views/cx_tower_file_view.xml:160-160
Timestamp: 2024-11-24T22:56:35.204Z
Learning: In Odoo, when groups are defined at the model level, it's unnecessary to specify them again in the view fields.
🔇 Additional comments (7)
cetmix_tower_server/models/cx_tower_server.py (6)
283-288: Access control on IP address fields is appropriateThe addition of group restrictions to
ip_v4_addressandip_v6_addressfields ensures that sensitive information is only accessible to users in thecetmix_tower_server.group_managergroup.
289-300: Access control enhancements on SSH fields are appropriateRestricting access to SSH-related fields (
ssh_port,ssh_username,ssh_password,ssh_key_id,ssh_auth_mode) to the manager group aligns with the security objectives of limiting sensitive configuration details to authorized personnel.
305-305: Consistent application of group restrictionsApplying the
groupsattribute to additional fields likessh_key_id,ssh_auth_mode,use_sudo, andos_idensures a consistent access control policy across all sensitive fields.Also applies to: 315-315, 321-321, 337-341
572-572: Review the use ofself.sudo()in_get_ssh_clientAssigning
self = self.sudo()elevates the access rights for the method_get_ssh_client. While this is necessary to access restricted fields, please verify that this elevated privilege is properly managed and does not expose sensitive operations unintentionally.
762-762: Ensure intentional use ofself.sudo()in_render_commandUsing
self.sudo()in the_render_commandmethod could bypass access controls on variables. Confirm that this is deliberate and that it doesn't grant unauthorized access to sensitive data.
828-829: Verify the necessity ofself.sudo()when accessing SSH credentialsIn the
execute_commandmethod,self.sudo()is used to accessssh_usernameanduse_sudo. Please confirm that elevating privileges here is required and that it aligns with access control policies.Also applies to: 832-832
cetmix_tower_server/views/cx_tower_server_view.xml (1)
108-135: Avoid duplicating group restrictions in viewsDefining
groupson the view recordcx_tower_server_view_kanban_managermight be unnecessary if access control is already enforced at the model level. Since the fields havegroupsattributes and the model restricts access appropriately, consider removing thegroups_idfrom the view definition to simplify maintenance.This aligns with the previous feedback and the learning that when groups are defined at the model level, it's unnecessary to specify them again in the view.
Limit access to the following fields of the
cx.tower.servermodel to Manager and Root:Task: 4116
Summary by CodeRabbit
Security Enhancements
User Interface
Documentation
Testing