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This is #420 cherry-picked onto `main`. We'll release either from `main` or `v0.10.8.rc` but either way we want the chanes in `main`. This replaces #384
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| // The MIT License | ||
| // | ||
| // Copyright (c) 2021 Temporal Technologies Inc. All rights reserved. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
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| // Vendored code from sdk-go. | ||
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| package client | ||
|
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| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "fmt" | ||
| "io" | ||
| "net/http" | ||
|
|
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| "github.com/gogo/protobuf/jsonpb" | ||
| commonpb "go.temporal.io/api/common/v1" | ||
| "go.temporal.io/sdk/converter" | ||
| ) | ||
|
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| // RemotePayloadCodecOptions are options for RemotePayloadCodec. | ||
| // Client is optional. | ||
| type RemotePayloadCodecOptions struct { | ||
| Endpoint string | ||
| ModifyRequest func(*http.Request) error | ||
| Client http.Client | ||
| } | ||
|
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| type remotePayloadCodec struct { | ||
| options RemotePayloadCodecOptions | ||
| } | ||
|
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| const remotePayloadCodecEncodePath = "/encode" | ||
| const remotePayloadCodecDecodePath = "/decode" | ||
|
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| // NewRemotePayloadCodec creates a PayloadCodec using the remote endpoint configured by RemotePayloadCodecOptions. | ||
| func NewRemotePayloadCodec(options RemotePayloadCodecOptions) converter.PayloadCodec { | ||
| return &remotePayloadCodec{options} | ||
| } | ||
|
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| // Encode uses the remote payload codec endpoint to encode payloads. | ||
| func (pc *remotePayloadCodec) Encode(payloads []*commonpb.Payload) ([]*commonpb.Payload, error) { | ||
| return pc.encodeOrDecode(pc.options.Endpoint+remotePayloadCodecEncodePath, payloads) | ||
| } | ||
|
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| // Decode uses the remote payload codec endpoint to decode payloads. | ||
| func (pc *remotePayloadCodec) Decode(payloads []*commonpb.Payload) ([]*commonpb.Payload, error) { | ||
| return pc.encodeOrDecode(pc.options.Endpoint+remotePayloadCodecDecodePath, payloads) | ||
| } | ||
|
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| func (pc *remotePayloadCodec) encodeOrDecode(endpoint string, payloads []*commonpb.Payload) ([]*commonpb.Payload, error) { | ||
| requestPayloads, err := json.Marshal(commonpb.Payloads{Payloads: payloads}) | ||
| if err != nil { | ||
| return payloads, fmt.Errorf("unable to marshal payloads: %w", err) | ||
| } | ||
|
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| req, err := http.NewRequest(http.MethodPost, endpoint, bytes.NewReader(requestPayloads)) | ||
| if err != nil { | ||
| return payloads, fmt.Errorf("unable to build request: %w", err) | ||
| } | ||
|
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| req.Header.Set("Content-Type", "application/json") | ||
|
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| if pc.options.ModifyRequest != nil { | ||
| err = pc.options.ModifyRequest(req) | ||
| if err != nil { | ||
| return payloads, err | ||
| } | ||
| } | ||
|
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| response, err := pc.options.Client.Do(req) | ||
| if err != nil { | ||
| return payloads, err | ||
| } | ||
| defer func() { _ = response.Body.Close() }() | ||
|
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| if response.StatusCode == 200 { | ||
| bs, err := io.ReadAll(response.Body) | ||
| if err != nil { | ||
| return payloads, fmt.Errorf("failed to read response body: %w", err) | ||
| } | ||
| var resultPayloads commonpb.Payloads | ||
| err = jsonpb.UnmarshalString(string(bs), &resultPayloads) | ||
| if err != nil { | ||
| return payloads, fmt.Errorf("unable to unmarshal payloads: %w", err) | ||
| } | ||
| if len(payloads) != len(resultPayloads.Payloads) { | ||
| return payloads, fmt.Errorf("received %d payloads from remote codec, expected %d", len(resultPayloads.Payloads), len(payloads)) | ||
| } | ||
| return resultPayloads.Payloads, nil | ||
| } | ||
|
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| message, _ := io.ReadAll(response.Body) | ||
| return payloads, fmt.Errorf("%s: %s", http.StatusText(response.StatusCode), message) | ||
| } |
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