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Allow user to override the Code Point Limit required by SnakeYaml #1872

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merged 1 commit into from
Jan 16, 2023
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Allow user to override the Code Point Limit required by SnakeYaml #1872

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6 changes: 5 additions & 1 deletion modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/util/DeserializationUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@ public static class Options {
private Long maxYamlReferences = System.getProperty("maxYamlReferences") == null ? 10000000L : Long.valueOf(System.getProperty("maxYamlReferences"));
private boolean validateYamlInput = System.getProperty("validateYamlInput") == null ? true : Boolean.valueOf(System.getProperty("validateYamlInput"));
private boolean yamlCycleCheck = System.getProperty("yamlCycleCheck") == null ? true : Boolean.valueOf(System.getProperty("yamlCycleCheck"));

private Integer maxYamlCodePoints = System.getProperty("maxYamlCodePoints") == null ? 3 * 1024 * 1024 : Integer.valueOf(System.getProperty("maxYamlCodePoints"));

private Integer maxYamlAliasesForCollections = System.getProperty("maxYamlAliasesForCollections") == null ? Integer.MAX_VALUE : Integer.valueOf(System.getProperty("maxYamlAliasesForCollections"));
private boolean yamlAllowRecursiveKeys = System.getProperty("yamlAllowRecursiveKeys") == null ? true : Boolean.valueOf(System.getProperty("yamlAllowRecursiveKeys"));
Expand Down Expand Up @@ -74,6 +74,8 @@ public boolean isYamlCycleCheck() {
return yamlCycleCheck;
}

public Integer getMaxYamlCodePoints() { return maxYamlCodePoints; }

public void setYamlCycleCheck(boolean yamlCycleCheck) {
this.yamlCycleCheck = yamlCycleCheck;
}
Expand Down Expand Up @@ -261,6 +263,8 @@ public static org.yaml.snakeyaml.Yaml buildSnakeYaml(BaseConstructor constructor
method.invoke(loaderOptions, options.isYamlAllowRecursiveKeys());
method = LoaderOptions.class.getMethod("setAllowDuplicateKeys", boolean.class);
method.invoke(loaderOptions, false);
method = LoaderOptions.class.getMethod("setCodePointLimit", int.class);
method.invoke(loaderOptions, options.getMaxYamlCodePoints());
org.yaml.snakeyaml.Yaml yaml = new org.yaml.snakeyaml.Yaml(constructor, new Representer(), new DumperOptions(), loaderOptions, new CustomResolver());
return yaml;
} catch (ReflectiveOperationException e) {
Expand Down