| 1 | {
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| 2 | "$schema": "http://json-schema.org/draft-07/schema#",
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| 3 | "$id": "https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/json-schema-secure.json#",
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| 4 | "title": "Meta-schema for the security assessment of JSON Schemas",
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| 5 | "description": "If a JSON AnySchema fails validation against this meta-schema, it may be unsafe to validate untrusted data",
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| 6 | "definitions": {
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| 7 | "schemaArray": {
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| 8 | "type": "array",
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| 9 | "minItems": 1,
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| 10 | "items": {"$ref": "#"}
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| 11 | }
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| 12 | },
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| 13 | "dependencies": {
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| 14 | "patternProperties": {
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| 15 | "description": "prevent slow validation of large property names",
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| 16 | "required": ["propertyNames"],
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| 17 | "properties": {
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| 18 | "propertyNames": {
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| 19 | "required": ["maxLength"]
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| 20 | }
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| 21 | }
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| 22 | },
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| 23 | "uniqueItems": {
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| 24 | "description": "prevent slow validation of large non-scalar arrays",
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| 25 | "if": {
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| 26 | "properties": {
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| 27 | "uniqueItems": {"const": true},
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| 28 | "items": {
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| 29 | "properties": {
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| 30 | "type": {
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| 31 | "anyOf": [
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| 32 | {
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| 33 | "enum": ["object", "array"]
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| 34 | },
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| 35 | {
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| 36 | "type": "array",
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| 37 | "contains": {"enum": ["object", "array"]}
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| 38 | }
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| 39 | ]
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| 40 | }
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| 41 | }
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| 42 | }
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| 43 | }
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| 44 | },
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| 45 | "then": {
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| 46 | "required": ["maxItems"]
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| 47 | }
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| 48 | },
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| 49 | "pattern": {
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| 50 | "description": "prevent slow pattern matching of large strings",
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| 51 | "required": ["maxLength"]
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| 52 | },
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| 53 | "format": {
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| 54 | "description": "prevent slow format validation of large strings",
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| 55 | "required": ["maxLength"]
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| 56 | }
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| 57 | },
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| 58 | "properties": {
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| 59 | "additionalItems": {"$ref": "#"},
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| 60 | "additionalProperties": {"$ref": "#"},
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| 61 | "dependencies": {
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| 62 | "additionalProperties": {
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| 63 | "anyOf": [{"type": "array"}, {"$ref": "#"}]
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| 64 | }
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| 65 | },
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| 66 | "items": {
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| 67 | "anyOf": [{"$ref": "#"}, {"$ref": "#/definitions/schemaArray"}]
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| 68 | },
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| 69 | "definitions": {
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| 70 | "additionalProperties": {"$ref": "#"}
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| 71 | },
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| 72 | "patternProperties": {
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| 73 | "additionalProperties": {"$ref": "#"}
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| 74 | },
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| 75 | "properties": {
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| 76 | "additionalProperties": {"$ref": "#"}
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| 77 | },
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| 78 | "if": {"$ref": "#"},
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| 79 | "then": {"$ref": "#"},
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| 80 | "else": {"$ref": "#"},
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| 81 | "allOf": {"$ref": "#/definitions/schemaArray"},
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| 82 | "anyOf": {"$ref": "#/definitions/schemaArray"},
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| 83 | "oneOf": {"$ref": "#/definitions/schemaArray"},
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| 84 | "not": {"$ref": "#"},
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| 85 | "contains": {"$ref": "#"},
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| 86 | "propertyNames": {"$ref": "#"}
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| 87 | }
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| 88 | }
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