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fix: enforce parser limits #2068
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| package integration | ||
|
|
||
| import ( | ||
| "net/http" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
|
|
||
| "github.com/wundergraph/cosmo/router-tests/testenv" | ||
| "github.com/wundergraph/cosmo/router/pkg/config" | ||
| ) | ||
|
|
||
| func TestParserHardLimits(t *testing.T) { | ||
| t.Parallel() | ||
|
|
||
| t.Run("parser approximate depth limit", func(t *testing.T) { | ||
| t.Parallel() | ||
| t.Run("blocks queries over the limit", func(t *testing.T) { | ||
| t.Parallel() | ||
| testenv.Run(t, &testenv.Config{ | ||
| ModifySecurityConfiguration: func(securityConfiguration *config.SecurityConfiguration) { | ||
| securityConfiguration.ParserHardLimits = config.ParserHardLimitsConfiguration{ | ||
| ApproximateDepthLimit: 2, | ||
| } | ||
| }, | ||
| }, func(t *testing.T, xEnv *testenv.Environment) { | ||
| res, _ := xEnv.MakeGraphQLRequest(testenv.GraphQLRequest{ | ||
| Query: `{ employee(id:1) { id details { forename surname } } }`, | ||
| }) | ||
| require.Equal(t, 400, res.Response.StatusCode) | ||
| require.Equal(t, `{"errors":[{"message":"allowed parsing depth per GraphQL document of '2' exceeded"}]}`, res.Body) | ||
| }) | ||
| }) | ||
|
|
||
| t.Run("blocks persisted queries over the limit", func(t *testing.T) { | ||
| t.Parallel() | ||
| testenv.Run(t, &testenv.Config{ | ||
| ModifySecurityConfiguration: func(securityConfiguration *config.SecurityConfiguration) { | ||
| securityConfiguration.ParserHardLimits = config.ParserHardLimitsConfiguration{ | ||
| ApproximateDepthLimit: 2, | ||
| } | ||
| }, | ||
| }, func(t *testing.T, xEnv *testenv.Environment) { | ||
| header := make(http.Header) | ||
| header.Add("graphql-client-name", "my-client") | ||
| res, _ := xEnv.MakeGraphQLRequestOverGET(testenv.GraphQLRequest{ | ||
| OperationName: []byte(`Find`), | ||
| Variables: []byte(`{"criteria": {"nationality": "GERMAN" }}`), | ||
| Extensions: []byte(`{"persistedQuery": {"version": 1, "sha256Hash": "e33580cf6276de9a75fb3b1c4b7580fec2a1c8facd13f3487bf6c7c3f854f7e3"}}`), | ||
| Header: header, | ||
| }) | ||
| require.Equal(t, 400, res.Response.StatusCode) | ||
| require.Equal(t, `{"errors":[{"message":"allowed parsing depth per GraphQL document of '2' exceeded"}]}`, res.Body) | ||
| }) | ||
| }) | ||
|
|
||
| t.Run("default limit allows persisted queries", func(t *testing.T) { | ||
| t.Parallel() | ||
| testenv.Run(t, &testenv.Config{}, func(t *testing.T, xEnv *testenv.Environment) { | ||
| header := make(http.Header) | ||
| header.Add("graphql-client-name", "my-client") | ||
| res, _ := xEnv.MakeGraphQLRequestOverGET(testenv.GraphQLRequest{ | ||
| OperationName: []byte(`Find`), | ||
| Variables: []byte(`{"criteria": {"nationality": "GERMAN" }}`), | ||
| Extensions: []byte(`{"persistedQuery": {"version": 1, "sha256Hash": "e33580cf6276de9a75fb3b1c4b7580fec2a1c8facd13f3487bf6c7c3f854f7e3"}}`), | ||
| Header: header, | ||
| }) | ||
| require.Equal(t, 200, res.Response.StatusCode) | ||
| require.Equal(t, `{"data":{"findEmployees":[{"id":1,"details":{"forename":"Jens","surname":"Neuse"}},{"id":2,"details":{"forename":"Dustin","surname":"Deus"}},{"id":4,"details":{"forename":"Björn","surname":"Schwenzer"}},{"id":11,"details":{"forename":"Alexandra","surname":"Neuse"}}]}}`, res.Body) | ||
| }) | ||
| }) | ||
| }) | ||
|
|
||
| t.Run("parser total fields limit", func(t *testing.T) { | ||
| t.Parallel() | ||
|
|
||
| t.Run("blocks queries over the limit", func(t *testing.T) { | ||
| t.Parallel() | ||
| testenv.Run(t, &testenv.Config{ | ||
| ModifySecurityConfiguration: func(securityConfiguration *config.SecurityConfiguration) { | ||
| securityConfiguration.ParserHardLimits = config.ParserHardLimitsConfiguration{ | ||
| ParserTotalFieldsLimit: 2, | ||
| } | ||
| }, | ||
| }, func(t *testing.T, xEnv *testenv.Environment) { | ||
| res, _ := xEnv.MakeGraphQLRequest(testenv.GraphQLRequest{ | ||
| Query: `{ employee(id:1) { id details { forename surname } } }`, | ||
| }) | ||
| require.Equal(t, 400, res.Response.StatusCode) | ||
| require.Equal(t, `{"errors":[{"message":"allowed number of fields per GraphQL document of '2' exceeded"}]}`, res.Body) | ||
| }) | ||
| }) | ||
|
|
||
| t.Run("allows queries under the limit", func(t *testing.T) { | ||
| t.Parallel() | ||
| testenv.Run(t, &testenv.Config{ | ||
| ModifySecurityConfiguration: func(securityConfiguration *config.SecurityConfiguration) { | ||
| securityConfiguration.ParserHardLimits = config.ParserHardLimitsConfiguration{ | ||
| ParserTotalFieldsLimit: 6, // fail if count > limit | ||
| } | ||
| }, | ||
| }, func(t *testing.T, xEnv *testenv.Environment) { | ||
| res, _ := xEnv.MakeGraphQLRequest(testenv.GraphQLRequest{ | ||
| Query: `{ employee(id:1) { id details { forename surname } } }`, // has 5 fields | ||
| }) | ||
| require.Equal(t, 200, res.Response.StatusCode) | ||
| require.Equal(t, `{"data":{"employee":{"id":1,"details":{"forename":"Jens","surname":"Neuse"}}}}`, res.Body) | ||
| }) | ||
| }) | ||
| }) | ||
| } |
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