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package officialapi
import (
"WarpGPT/pkg/common"
"WarpGPT/pkg/plugins"
"WarpGPT/pkg/tools"
"bytes"
"encoding/json"
http "github.com/bogdanfinn/fhttp"
tls_client "github.com/bogdanfinn/tls-client"
"github.com/gin-gonic/gin"
"io"
fhttp "net/http"
shttp "net/http"
"strings"
)
var context *plugins.Component
var OfficialApiProcessInstance OfficialApiProcess
type Context struct {
GinContext *gin.Context
RequestUrl string
RequestClient tls_client.HttpClient
RequestBody io.ReadCloser
RequestParam string
RequestMethod string
RequestHeaders http.Header
}
type OfficialApiProcess struct {
Context Context
}
func (p *OfficialApiProcess) SetContext(conversation Context) {
p.Context = conversation
}
func (p *OfficialApiProcess) GetContext() Context {
return p.Context
}
func (p *OfficialApiProcess) ProcessMethod() {
context.Logger.Debug("officialApi")
var requestBody map[string]interface{}
err := p.decodeRequestBody(&requestBody) //解析请求体
if err != nil {
p.GetContext().GinContext.JSON(500, gin.H{"error": "Incorrect json format"})
return
}
request, err := p.createRequest(requestBody) //创建请求
if err != nil {
p.GetContext().GinContext.JSON(500, gin.H{"error": "Server error"})
return
}
response, err := p.GetContext().RequestClient.Do(request) //发送请求
if err != nil {
context.Logger.Error(err)
p.GetContext().GinContext.JSON(500, gin.H{"error": "Server Error"})
return
}
common.CopyResponseHeaders(response, p.GetContext().GinContext) //设置响应头
if strings.Contains(response.Header.Get("Content-Type"), "text/event-stream") {
err = p.streamResponse(response)
if err != nil {
return
}
}
if strings.Contains(response.Header.Get("Content-Type"), "application/json") {
err = p.jsonResponse(response)
if err != nil {
context.Logger.Warning(err)
}
}
}
func (p *OfficialApiProcess) createRequest(requestBody map[string]interface{}) (*http.Request, error) {
context.Logger.Debug("officialApi createRequest")
bodyBytes, err := json.Marshal(requestBody)
if err != nil {
return nil, err
}
var request *http.Request
if p.Context.RequestBody == shttp.NoBody {
request, err = http.NewRequest(p.Context.RequestMethod, p.Context.RequestUrl, nil)
} else {
request, err = http.NewRequest(p.Context.RequestMethod, p.Context.RequestUrl, bytes.NewBuffer(bodyBytes))
}
if err != nil {
return nil, err
}
p.WithHeaders(request)
return request, nil
}
func (p *OfficialApiProcess) WithHeaders(rsq *http.Request) {
rsq.Header.Set("Authorization", p.Context.RequestHeaders.Get("Authorization"))
rsq.Header.Set("Content-Type", p.Context.RequestHeaders.Get("Content-Type"))
}
func (p *OfficialApiProcess) jsonResponse(response *http.Response) error {
context.Logger.Debug("officialApi jsonResponse")
var jsonData interface{}
err := json.NewDecoder(response.Body).Decode(&jsonData)
if err != nil {
return err
}
p.GetContext().GinContext.JSON(response.StatusCode, jsonData)
return nil
}
func (p *OfficialApiProcess) streamResponse(response *http.Response) error {
context.Logger.Debug("officialApi streamResponse")
context.Logger.Infoln("officialApiProcess stream Request")
client := tools.NewSSEClient(response.Body)
events := client.Read()
for event := range events {
if _, err := p.GetContext().GinContext.Writer.Write([]byte("data: " + event.Data + "\n\n")); err != nil {
return err
}
p.GetContext().GinContext.Writer.Flush()
}
defer client.Close()
return nil
}
type OfficialApiRequestUrl struct {
}
func (u OfficialApiRequestUrl) Generate(path string, rawquery string) string {
if rawquery == "" {
return "https://" + context.Env.OpenaiApiHost + "/v1" + path
}
return "https://" + context.Env.OpenaiApiHost + "/v1" + path + "?" + rawquery
}
func (p *OfficialApiProcess) decodeRequestBody(requestBody *map[string]interface{}) error {
context.Logger.Debug("officialApi decodeRequestBody")
conversation := p.GetContext()
if conversation.RequestBody != fhttp.NoBody {
if err := json.NewDecoder(conversation.RequestBody).Decode(requestBody); err != nil {
conversation.GinContext.JSON(400, gin.H{"error": "JSON invalid"})
return err
}
}
return nil
}
func (p *OfficialApiProcess) Run(com *plugins.Component) {
context = com
context.Engine.Any("/v1/*path", func(c *gin.Context) {
conversation := common.GetContextPack(c, OfficialApiRequestUrl{})
common.Do[Context](new(OfficialApiProcess), Context(conversation))
})
}
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