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fix(client): limit json deserialization coercion (#102)
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-97
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4 files changed

+139
-97
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‎openlayer-java-core/build.gradle.kts

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@@ -34,6 +34,7 @@ dependencies {
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testImplementation("org.assertj:assertj-core:3.25.3")
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testImplementation("org.junit.jupiter:junit-jupiter-api:5.9.3")
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testImplementation("org.junit.jupiter:junit-jupiter-params:5.9.3")
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testImplementation("org.junit-pioneer:junit-pioneer:1.9.1")
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testImplementation("org.mockito:mockito-core:5.14.2")
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testImplementation("org.mockito:mockito-junit-jupiter:5.14.2")
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testImplementation("org.mockito.kotlin:mockito-kotlin:4.1.0")

‎openlayer-java-core/src/main/kotlin/com/openlayer/api/core/ObjectMappers.kt

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@@ -8,8 +8,11 @@ import com.fasterxml.jackson.databind.DeserializationFeature
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import com.fasterxml.jackson.databind.MapperFeature
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import com.fasterxml.jackson.databind.SerializationFeature
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import com.fasterxml.jackson.databind.SerializerProvider
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import com.fasterxml.jackson.databind.cfg.CoercionAction
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import com.fasterxml.jackson.databind.cfg.CoercionInputShape
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import com.fasterxml.jackson.databind.json.JsonMapper
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import com.fasterxml.jackson.databind.module.SimpleModule
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import com.fasterxml.jackson.databind.type.LogicalType
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import com.fasterxml.jackson.datatype.jdk8.Jdk8Module
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import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule
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import com.fasterxml.jackson.module.kotlin.kotlinModule
@@ -21,6 +24,60 @@ fun jsonMapper(): JsonMapper =
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.addModule(Jdk8Module())
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.addModule(JavaTimeModule())
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.addModule(SimpleModule().addSerializer(InputStreamJsonSerializer))
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.withCoercionConfig(LogicalType.Boolean) {
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it.setCoercion(CoercionInputShape.Integer, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Float, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.String, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Array, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Object, CoercionAction.Fail)
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}
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.withCoercionConfig(LogicalType.Integer) {
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it.setCoercion(CoercionInputShape.Boolean, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.String, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Array, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Object, CoercionAction.Fail)
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}
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.withCoercionConfig(LogicalType.Float) {
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it.setCoercion(CoercionInputShape.Boolean, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.String, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Array, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Object, CoercionAction.Fail)
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}
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.withCoercionConfig(LogicalType.Textual) {
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it.setCoercion(CoercionInputShape.Boolean, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Integer, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Float, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Array, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Object, CoercionAction.Fail)
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}
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.withCoercionConfig(LogicalType.Array) {
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it.setCoercion(CoercionInputShape.Boolean, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Integer, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Float, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.String, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Object, CoercionAction.Fail)
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}
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.withCoercionConfig(LogicalType.Collection) {
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it.setCoercion(CoercionInputShape.Boolean, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Integer, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Float, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.String, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Object, CoercionAction.Fail)
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}
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.withCoercionConfig(LogicalType.Map) {
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it.setCoercion(CoercionInputShape.Boolean, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Integer, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Float, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.String, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Object, CoercionAction.Fail)
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}
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.withCoercionConfig(LogicalType.POJO) {
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it.setCoercion(CoercionInputShape.Boolean, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Integer, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Float, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.String, CoercionAction.Fail)
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.setCoercion(CoercionInputShape.Array, CoercionAction.Fail)
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}
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.serializationInclusion(JsonInclude.Include.NON_ABSENT)
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.disable(DeserializationFeature.ADJUST_DATES_TO_CONTEXT_TIME_ZONE)
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.disable(SerializationFeature.FLUSH_AFTER_WRITE_VALUE)

‎openlayer-java-core/src/test/kotlin/com/openlayer/api/core/ObjectMappersTest.kt

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@@ -0,0 +1,81 @@
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package com.openlayer.api.core
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import com.fasterxml.jackson.annotation.JsonProperty
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import com.fasterxml.jackson.databind.exc.MismatchedInputException
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import kotlin.reflect.KClass
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import org.assertj.core.api.Assertions.assertThat
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import org.assertj.core.api.Assertions.catchThrowable
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import org.junit.jupiter.api.Test
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import org.junitpioneer.jupiter.cartesian.CartesianTest
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internal class ObjectMappersTest {
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internal class ClassWithBooleanFieldPrefixedWithIs(private val isActive: JsonField<Boolean>) {
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@JsonProperty("is_active") @ExcludeMissing fun _isActive() = isActive
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}
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@Test
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fun write_whenFieldPrefixedWithIs_keepsPrefix() {
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val value = ClassWithBooleanFieldPrefixedWithIs(JsonField.of(true))
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val json = jsonMapper().writeValueAsString(value)
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assertThat(json).isEqualTo("{\"is_active\":true}")
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}
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internal class Class(@get:JsonProperty("field") @JsonProperty("field") val field: String)
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enum class ShapeTestCase(val value: Any, val kClass: KClass<*>) {
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STRING("Hello World!", String::class),
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BOOLEAN(true, Boolean::class),
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FLOAT(3.14F, Float::class),
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DOUBLE(3.14, Double::class),
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INTEGER(42, Int::class),
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LONG(42L, Long::class),
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MAP(mapOf("property" to "value"), Map::class),
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CLASS(Class("Hello World!"), Class::class),
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LIST(listOf(1, 2, 3), List::class);
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companion object {
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val VALID_CONVERSIONS =
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listOf(
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FLOAT to DOUBLE,
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FLOAT to INTEGER,
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FLOAT to LONG,
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DOUBLE to FLOAT,
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DOUBLE to INTEGER,
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DOUBLE to LONG,
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INTEGER to FLOAT,
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INTEGER to DOUBLE,
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INTEGER to LONG,
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LONG to FLOAT,
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LONG to DOUBLE,
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LONG to INTEGER,
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CLASS to MAP,
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// These aren't actually valid, but coercion configs don't work for String until
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// v2.14.0: https://github.com/FasterXML/jackson-databind/issues/3240
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// We currently test on v2.13.4.
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BOOLEAN to STRING,
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FLOAT to STRING,
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DOUBLE to STRING,
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INTEGER to STRING,
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LONG to STRING,
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)
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}
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}
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@CartesianTest
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fun read(@CartesianTest.Enum shape1: ShapeTestCase, @CartesianTest.Enum shape2: ShapeTestCase) {
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val jsonMapper = jsonMapper()
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val json = jsonMapper.writeValueAsString(shape1.value)
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val e = catchThrowable { jsonMapper.readValue(json, shape2.kClass.java) }
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if (shape1 == shape2 || shape1 to shape2 in ShapeTestCase.VALID_CONVERSIONS) {
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assertThat(e).isNull()
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} else {
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assertThat(e).isInstanceOf(MismatchedInputException::class.java)
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}
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}
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}

‎openlayer-java-core/src/test/kotlin/com/openlayer/api/core/http/SerializerTest.kt

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