404

[ Avaa Bypassed ]




Upload:

Command:

botdev@3.15.226.5: ~ $
"""
Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
SPDX-License-Identifier: MIT-0
"""
import hashlib
import json

from cfnlint.helpers import RESOURCE_SPECS
from cfnlint.rules import CloudFormationLintRule, RuleMatch


class ListDuplicates(CloudFormationLintRule):
    """Check if duplicates exist in a List"""

    id = "E3037"
    shortdesc = "Check if a list has duplicate values"
    description = (
        "Certain lists don't support duplicate items. "
        "Check when duplicates are provided but not supported."
    )
    source_url = "https://github.com/aws-cloudformation/cfn-python-lint/blob/main/docs/cfn-resource-specification.md#allowedvalue"
    tags = ["resources", "property", "list"]

    def initialize(self, cfn):
        """Initialize the rule"""
        for resource_type_spec in RESOURCE_SPECS.get(cfn.regions[0]).get(
            "ResourceTypes"
        ):
            self.resource_property_types.append(resource_type_spec)
        for property_type_spec in RESOURCE_SPECS.get(cfn.regions[0]).get(
            "PropertyTypes"
        ):
            self.resource_sub_property_types.append(property_type_spec)

    def _check_duplicates(self, values, path, scenario=None):
        """Check for Duplicates"""
        matches = []

        list_items = []
        if isinstance(values, list):
            for index, value in enumerate(values):
                value_hash = hashlib.sha1(
                    json.dumps(value, sort_keys=True, default=str).encode("utf-8")
                ).hexdigest()
                if value_hash in list_items:
                    if not scenario:
                        message = "List has a duplicate value at {0}"
                        matches.append(
                            RuleMatch(
                                path + [index],
                                message.format("/".join(map(str, path + [index]))),
                            )
                        )
                    else:
                        scenario_text = " and ".join(
                            [f'condition "{k}" is {v}' for (k, v) in scenario.items()]
                        )
                        message = f'List has a duplicate value at {"/".join(map(str, path))} when {scenario_text}'
                        matches.append(RuleMatch(path, message))

                list_items.append(value_hash)

        return matches

    def check_duplicates(self, values, path, cfn):
        """Check for duplicates"""
        matches = []

        if isinstance(values, list):
            matches.extend(self._check_duplicates(values, path))
        elif isinstance(values, dict):
            props = cfn.get_object_without_conditions(values)
            for prop in props:
                matches.extend(
                    self._check_duplicates(
                        prop.get("Object"), path, prop.get("Scenario")
                    )
                )

        return matches

    def check(self, cfn, properties, value_specs, path):
        """Check itself"""
        matches = []
        for p_value, p_path in properties.items_safe(path[:]):
            for prop in p_value:
                if prop in value_specs:
                    property_type = value_specs.get(prop).get("Type")
                    duplicates_allowed = value_specs.get(prop).get(
                        "DuplicatesAllowed", True
                    )
                    if property_type == "List" and not duplicates_allowed:
                        matches.extend(
                            self.check_duplicates(p_value[prop], p_path + [prop], cfn)
                        )

        return matches

    def match_resource_sub_properties(self, properties, property_type, path, cfn):
        """Match for sub properties"""
        matches = []

        specs = (
            RESOURCE_SPECS.get(cfn.regions[0])
            .get("PropertyTypes")
            .get(property_type, {})
            .get("Properties", {})
        )
        matches.extend(self.check(cfn, properties, specs, path))

        return matches

    def match_resource_properties(self, properties, resource_type, path, cfn):
        """Check CloudFormation Properties"""
        matches = []

        specs = (
            RESOURCE_SPECS.get(cfn.regions[0])
            .get("ResourceTypes")
            .get(resource_type, {})
            .get("Properties", {})
        )
        matches.extend(self.check(cfn, properties, specs, path))

        return matches

Filemanager

Name Type Size Permission Actions
__pycache__ Folder 0755
AllowedPattern.py File 5.76 KB 0644
AllowedValue.py File 4.8 KB 0644
AtLeastOne.py File 4.11 KB 0644
AvailabilityZone.py File 3.41 KB 0644
BasedOnValue.py File 6.33 KB 0644
Exclusive.py File 3.98 KB 0644
ImageId.py File 2.37 KB 0644
Inclusive.py File 3.7 KB 0644
JsonSize.py File 6.08 KB 0644
ListDuplicates.py File 4.39 KB 0644
ListDuplicatesAllowed.py File 4.76 KB 0644
ListSize.py File 4.88 KB 0644
NumberSize.py File 4.88 KB 0644
OnlyOne.py File 3.89 KB 0644
Password.py File 3.63 KB 0644
Properties.py File 27.49 KB 0644
PropertiesTemplated.py File 2.44 KB 0644
Required.py File 4.1 KB 0644
RequiredBasedOnValue.py File 831 B 0644
StringSize.py File 4.52 KB 0644
UnwantedBasedOnValue.py File 837 B 0644
ValuePrimitiveType.py File 11.6 KB 0644
ValueRefGetAtt.py File 11.96 KB 0644
__init__.py File 106 B 0644