New option to disable GraphQL schema token limit validation

docs/codegen-options.md

@@ -68,6 +68,8 @@
 |                `supportUnknownFields`                 |                                Boolean                                 |                             False                              | Specifies whether api classes should support unknown fields during serialization or deserialization. If `true`, classes will include a property of type [`java.util.Map<String,Object>`](https://docs.oracle.com/javase/8/docs/api/index.html?java/util/Map.html) that will store unknown fields.                                                                              |
 |              `unknownFieldsPropertyName`              |                                 String                                 |                       userDefinedFields                        | Specifies the name of the property to be included in api classes to support unknown fields during serialization or deserialization                                                                                                                                                                                                                                             |
 |                        `skip`                         |                                Boolean                                 |                             False                              | If true, then code generation will not happen                                                                                                                                                                                                                                                                                                                                  |
+|                 `skipSchemaSizeLimit`                 |                                Boolean                                 |                              True                              | When set to true, the GraphQL schema will be processed with token, character, line and rule depth limits. Set to false to process the schema regardless of its size.
+|
 
 
 ### Option `graphqlSchemas`

plugins/gradle/graphql-java-codegen-gradle-plugin/src/main/java/io/github/kobylynskyi/graphql/codegen/gradle/GraphQLCodegenGradleTask.java

@@ -15,6 +15,7 @@
 import com.kobylynskyi.graphql.codegen.supplier.MappingConfigSupplier;
 import com.kobylynskyi.graphql.codegen.supplier.MergeableMappingConfigSupplier;
 import com.kobylynskyi.graphql.codegen.supplier.SchemaFinder;
+import graphql.parser.ParserOptions;
 import org.gradle.api.Action;
 import org.gradle.api.DefaultTask;
 import org.gradle.api.plugins.JavaPluginExtension;
@@ -121,6 +122,7 @@ public class GraphQLCodegenGradleTask extends DefaultTask implements GraphQLCode
     private String unknownFieldsPropertyName = MappingConfigConstants.DEFAULT_UNKNOWN_FIELDS_PROPERTY_NAME;
 
     private Boolean skip = false;
+    private Boolean skipSchemaSizeLimit = MappingConfigConstants.DEFAULT_SKIP_SCHEMA_SIZE_LIMIT;
 
     public GraphQLCodegenGradleTask() {
         setGroup("codegen");
@@ -228,6 +230,15 @@ private GraphQLCodegen instantiateCodegen(MappingConfig mappingConfig) throws IO
         GeneratedLanguage language = mappingConfigSupplier.map(Supplier::get)
                 .map(MappingConfig::getGeneratedLanguage)
                 .orElse(generatedLanguage);
+
+        if (skipSchemaSizeLimit) {
+            ParserOptions.Builder parserOptionBuilder = ParserOptions.newParserOptions()
+                  .maxTokens(Integer.MAX_VALUE)
+                  .maxCharacters(Integer.MAX_VALUE)
+                  .maxWhitespaceTokens(Integer.MAX_VALUE)
+                  .maxRuleDepth(Integer.MAX_VALUE);
+            ParserOptions.setDefaultParserOptions(parserOptionBuilder.build());
+        }
         switch (language) {
             case JAVA:
                 return new JavaGraphQLCodegen(getActualSchemaPaths(), graphqlQueryIntrospectionResultPath,

plugins/maven/graphql-java-codegen-maven-plugin/src/main/java/io/github/kobylynskyi/graphql/codegen/GraphQLCodegenMojo.java

@@ -16,6 +16,7 @@
 import com.kobylynskyi.graphql.codegen.supplier.MappingConfigSupplier;
 import com.kobylynskyi.graphql.codegen.supplier.MergeableMappingConfigSupplier;
 import com.kobylynskyi.graphql.codegen.supplier.SchemaFinder;
+import graphql.parser.ParserOptions;
 import org.apache.maven.model.Resource;
 import org.apache.maven.plugin.AbstractMojo;
 import org.apache.maven.plugin.MojoExecutionException;
@@ -248,6 +249,9 @@ public class GraphQLCodegenMojo extends AbstractMojo implements GraphQLCodegenCo
     @Parameter(defaultValue = "false")
     private boolean skip;
 
+    @Parameter(defaultValue = MappingConfigConstants.DEFAULT_SKIP_SCHEMA_SIZE_LIMIT_STRING)
+    private boolean skipSchemaSizeLimit;
+
     @Override
     public void execute() throws MojoExecutionException {
         addCompileSourceRootIfConfigured();
@@ -338,6 +342,16 @@ private GraphQLCodegen instantiateCodegen(MappingConfig mappingConfig) throws IO
         GeneratedLanguage language = mappingConfigSupplier.map(Supplier::get)
                 .map(MappingConfig::getGeneratedLanguage)
                 .orElse(generatedLanguage);
+
+        if (skipSchemaSizeLimit) {
+            ParserOptions.Builder parserOptionBuilder = ParserOptions.newParserOptions()
+                .maxTokens(Integer.MAX_VALUE)
+                .maxCharacters(Integer.MAX_VALUE)
+                .maxWhitespaceTokens(Integer.MAX_VALUE)
+                .maxRuleDepth(Integer.MAX_VALUE);
+            ParserOptions.setDefaultParserOptions(parserOptionBuilder.build());
+        }
+
         switch (language) {
             case JAVA:
                 return new JavaGraphQLCodegen(getSchemas(), graphqlQueryIntrospectionResultPath,

plugins/sbt/graphql-java-codegen-sbt-plugin/build.sbt

@@ -33,7 +33,7 @@ lazy val `graphql-codegen-sbt-plugin` = Project(id = "graphql-codegen-sbt-plugin
     libraryDependencies ++= Seq(
       "io.github.kobylynskyi"      % "graphql-java-codegen" % (ThisBuild / version).value,
       "org.freemarker"             % "freemarker"           % "2.3.31",
-      "com.graphql-java"           % "graphql-java"         % "20.1",
+      "com.graphql-java"           % "graphql-java"         % "20.2",
       "com.fasterxml.jackson.core" % "jackson-databind"     % "2.12.1",
       "com.typesafe"               % "config"               % "1.4.2"
     ),

plugins/sbt/graphql-java-codegen-sbt-plugin/src/main/scala/io/github/dreamylost/graphql/codegen/GraphQLCodegenKeys.scala

@@ -178,5 +178,6 @@ trait GraphQLCodegenKeys {
 
   val supportUnknownFields      = settingKey[Boolean]("supportUnknownFields")
   val unknownFieldsPropertyName = settingKey[String]("unknownFieldsPropertyName")
+  val skipSchemaSizeLimit       = settingKey[Boolean]("Skip schema size limit checks.")
 
 }

plugins/sbt/graphql-java-codegen-sbt-plugin/src/main/scala/io/github/dreamylost/graphql/codegen/GraphQLCodegenPlugin.scala

@@ -1,5 +1,6 @@
 package io.github.dreamylost.graphql.codegen
 
+import graphql.parser.ParserOptions
 import com.kobylynskyi.graphql.codegen.GraphQLCodegenValidate
 import com.kobylynskyi.graphql.codegen.java.JavaGraphQLCodegen
 import com.kobylynskyi.graphql.codegen.model._
@@ -131,7 +132,8 @@ class GraphQLCodegenPlugin(configuration: Configuration, private[codegen] val co
     unknownFieldsPropertyName      := MappingConfigConstants.DEFAULT_UNKNOWN_FIELDS_PROPERTY_NAME,
     generateNoArgsConstructorOnly  := MappingConfigConstants.DEFAULT_GENERATE_NOARGS_CONSTRUCTOR_ONLY,
     generateModelsWithPublicFields := MappingConfigConstants.DEFAULT_GENERATE_MODELS_WITH_PUBLIC_FIELDS,
-    skip                           := false
+    skip                           := false,
+    skipSchemaSizeLimit            := MappingConfigConstants.DEFAULT_SKIP_SCHEMA_SIZE_LIMIT
   )
 
   private def getMappingConfig(): Def.Initialize[MappingConfig] = Def.setting {
@@ -247,6 +249,16 @@ class GraphQLCodegenPlugin(configuration: Configuration, private[codegen] val co
       graphqlCodegen := {
         sLog.value.info(s"Generating files: ${BuildInfo.toString}")
         val mappingConfigSupplier = buildJsonSupplier(configurationFiles.value)
+
+        if (skipSchemaSizeLimit.value) {
+          val parserOptionBuilder = ParserOptions
+            .newParserOptions()
+            .maxTokens(Integer.MAX_VALUE)
+            .maxCharacters(Integer.MAX_VALUE)
+            .maxWhitespaceTokens(Integer.MAX_VALUE)
+            .maxRuleDepth(Integer.MAX_VALUE);
+          ParserOptions.setDefaultParserOptions(parserOptionBuilder.build());
+        }
         val language = mappingConfigSupplier.map(_.get()).map(_.getGeneratedLanguage).getOrElse(generatedLanguage.value)
         var result   = Seq.empty[File]
         try {

src/main/java/com/kobylynskyi/graphql/codegen/model/MappingConfigConstants.java

@@ -105,6 +105,9 @@ public class MappingConfigConstants {
     public static final boolean DEFAULT_GENERATE_MODELS_WITH_PUBLIC_FIELDS = false;
     public static final String DEFAULT_GENERATE_MODELS_WITH_PUBLIC_FIELDS_STRING = "false";
 
+    public static final boolean DEFAULT_SKIP_SCHEMA_SIZE_LIMIT = true;
+    public static final String DEFAULT_SKIP_SCHEMA_SIZE_LIMIT_STRING = "true";
+
     private MappingConfigConstants() {
     }
 }