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# Which Problems Are Solved The current maintained gRPC server in combination with a REST (grpc) gateway is getting harder and harder to maintain. Additionally, there have been and still are issues with supporting / displaying `oneOf`s correctly. We therefore decided to exchange the server implementation to connectRPC, which apart from supporting connect as protocol, also also "standard" gRCP clients as well as HTTP/1.1 / rest like clients, e.g. curl directly call the server without any additional gateway. # How the Problems Are Solved - All v2 services are moved to connectRPC implementation. (v1 services are still served as pure grpc servers) - All gRPC server interceptors were migrated / copied to a corresponding connectRPC interceptor. - API.ListGrpcServices and API. ListGrpcMethods were changed to include the connect services and endpoints. - gRPC server reflection was changed to a `StaticReflector` using the `ListGrpcServices` list. - The `grpc.Server` interfaces was split into different combinations to be able to handle the different cases (grpc server and prefixed gateway, connect server with grpc gateway, connect server only, ...) - Docs of services serving connectRPC only with no additional gateway (instance, webkey, project, app, org v2 beta) are changed to expose that - since the plugin is not yet available on buf, we download it using `postinstall` hook of the docs # Additional Changes - WebKey service is added as v2 service (in addition to the current v2beta) # Additional Context closes #9483 --------- Co-authored-by: Elio Bischof <elio@zitadel.com>
35 lines
932 B
Go
35 lines
932 B
Go
package connect_middleware
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import (
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"context"
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"strings"
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"connectrpc.com/connect"
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"github.com/zitadel/zitadel/internal/api/authz"
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"github.com/zitadel/zitadel/internal/zerrors"
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)
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func LimitsInterceptor(ignoreService ...string) connect.UnaryInterceptorFunc {
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for idx, service := range ignoreService {
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if !strings.HasPrefix(service, "/") {
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ignoreService[idx] = "/" + service
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}
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}
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return func(handler connect.UnaryFunc) connect.UnaryFunc {
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return func(ctx context.Context, req connect.AnyRequest) (_ connect.AnyResponse, err error) {
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for _, service := range ignoreService {
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if strings.HasPrefix(req.Spec().Procedure, service) {
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return handler(ctx, req)
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}
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}
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instance := authz.GetInstance(ctx)
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if block := instance.Block(); block != nil && *block {
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return nil, zerrors.ThrowResourceExhausted(nil, "LIMITS-molsj", "Errors.Limits.Instance.Blocked")
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}
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return handler(ctx, req)
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}
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}
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}
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