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feature: allow ai-proxy to forward standard AI capabilities that are … (#1704)

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pepesi
2025-02-12 15:23:44 +08:00
committed by GitHub
parent 477e44b9f1
commit a84a382f1d
32 changed files with 517 additions and 158 deletions
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16
plugins/wasm-go/extensions/ai-proxy/provider/dify.go
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@@ -4,13 +4,14 @@ import (
"encoding/json"
"errors"
"fmt"
"net/http"
"strings"
"time"
"github.com/alibaba/higress/plugins/wasm-go/extensions/ai-proxy/util"
"github.com/alibaba/higress/plugins/wasm-go/pkg/wrapper"
"github.com/higress-group/proxy-wasm-go-sdk/proxywasm"
"github.com/higress-group/proxy-wasm-go-sdk/proxywasm/types"
"net/http"
"strings"
"time"
)
const (
@@ -83,6 +84,9 @@ func (d *difyProvider) OnRequestBody(ctx wrapper.HttpContext, apiName ApiName, b
}
func (d *difyProvider) TransformRequestBodyHeaders(ctx wrapper.HttpContext, apiName ApiName, body []byte, headers http.Header, log wrapper.Log) ([]byte, error) {
if apiName != ApiNameChatCompletion {
return d.config.defaultTransformRequestBody(ctx, apiName, body, log)
}
request := &chatCompletionRequest{}
err := d.config.parseRequestAndMapModel(ctx, request, body, log)
if err != nil {
@@ -95,6 +99,9 @@ func (d *difyProvider) TransformRequestBodyHeaders(ctx wrapper.HttpContext, apiN
}
func (d *difyProvider) TransformResponseBody(ctx wrapper.HttpContext, apiName ApiName, body []byte, log wrapper.Log) ([]byte, error) {
if apiName != ApiNameChatCompletion {
return body, nil
}
difyResponse := &DifyChatResponse{}
if err := json.Unmarshal(body, difyResponse); err != nil {
return nil, fmt.Errorf("unable to unmarshal dify response: %v", err)
@@ -146,6 +153,9 @@ func (d *difyProvider) OnStreamingResponseBody(ctx wrapper.HttpContext, name Api
if isLastChunk || len(chunk) == 0 {
return nil, nil
}
if name != ApiNameChatCompletion {
return chunk, nil
}
// sample event response:
// data: {"event": "agent_thought", "id": "8dcf3648-fbad-407a-85dd-73a6f43aeb9f", "task_id": "9cf1ddd7-f94b-459b-b942-b77b26c59e9b", "message_id": "1fb10045-55fd-4040-99e6-d048d07cbad3", "position": 1, "thought": "", "observation": "", "tool": "", "tool_input": "", "created_at": 1705639511, "message_files": [], "conversation_id": "c216c595-2d89-438c-b33c-aae5ddddd142"}