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package rapi
import (
"WarpGPT/pkg/common"
"WarpGPT/pkg/plugins"
"bytes"
"encoding/json"
http "github.com/bogdanfinn/fhttp"
tls_client "github.com/bogdanfinn/tls-client"
"github.com/gin-gonic/gin"
"io"
shttp "net/http"
"strings"
)
var context *plugins.Component
var ApiProcessInstance ApiProcess
type Context struct {
GinContext *gin.Context
RequestUrl string
RequestClient tls_client.HttpClient
RequestBody io.ReadCloser
RequestParam string
RequestMethod string
RequestHeaders http.Header
}
type ApiProcess struct {
Context Context
}
func (p *ApiProcess) SetContext(conversation Context) {
p.Context = conversation
}
func (p *ApiProcess) GetContext() Context {
return p.Context
}
func (p *ApiProcess) ProcessMethod() {
context.Logger.Debug("ApiProcess")
var requestBody map[string]interface{}
err := p.decodeRequestBody(&requestBody) //解析请求体
if err != nil {
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 {
var jsonData interface{}
err := json.NewDecoder(response.Body).Decode(&jsonData)
if err != nil {
p.GetContext().GinContext.JSON(500, gin.H{"error": "Request json decode error"})
return
}
p.GetContext().GinContext.JSON(response.StatusCode, jsonData)
return
}
if strings.Contains(response.Header.Get("Content-Type"), "application/json") {
err := p.jsonResponse(response)
if err != nil {
context.Logger.Warning(err)
}
}
common.CopyResponseHeaders(response, p.GetContext().GinContext) //设置响应头
}
func (p *ApiProcess) createRequest(requestBody map[string]interface{}) (*http.Request, error) {
context.Logger.Debug("ApiProcess createRequest")
bodyBytes, err := json.Marshal(requestBody)
if err != nil {
return nil, err
}
bodyReader := bytes.NewReader(bodyBytes)
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, bodyReader)
}
if err != nil {
return nil, err
}
p.buildHeaders(request)
p.setCookies(request)
return request, nil
}
func (p *ApiProcess) setCookies(request *http.Request) {
context.Logger.Debug("ApiProcess setCookies")
for _, cookie := range p.GetContext().GinContext.Request.Cookies() {
request.AddCookie(&http.Cookie{
Name: cookie.Name,
Value: cookie.Value,
})
}
}
func (p *ApiProcess) buildHeaders(request *http.Request) {
context.Logger.Debug("ApiProcess buildHeaders")
headers := map[string]string{
"Host": context.Env.OpenaiHost,
"Origin": "https://" + context.Env.OpenaiHost + "/chat",
"Authorization": p.GetContext().GinContext.Request.Header.Get("Authorization"),
"Connection": "keep-alive",
"User-Agent": context.Env.UserAgent,
"Content-Type": p.GetContext().GinContext.Request.Header.Get("Content-Type"),
}
for key, value := range headers {
request.Header.Set(key, value)
}
if puid := p.GetContext().GinContext.Request.Header.Get("PUID"); puid != "" {
request.Header.Set("cookie", "_puid="+puid+";")
}
}
func (p *ApiProcess) jsonResponse(response *http.Response) error {
context.Logger.Debug("ApiProcess 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 *ApiProcess) decodeRequestBody(requestBody *map[string]interface{}) error {
conversation := p.GetContext()
if conversation.RequestBody != shttp.NoBody {
if err := json.NewDecoder(conversation.RequestBody).Decode(requestBody); err != nil {
conversation.GinContext.JSON(400, gin.H{"error": "JSON invalid"})
return err
}
}
return nil
}
type ReverseApiRequestUrl struct {
}
func (u ReverseApiRequestUrl) Generate(path string, rawquery string) string {
if rawquery == "" {
return "https://" + context.Env.OpenaiHost + "/api" + path
}
return "https://" + context.Env.OpenaiHost + "/api" + path + "?" + rawquery
}
func (p *ApiProcess) Run(com *plugins.Component) {
context = com
context.Engine.Any("/api/*path", func(c *gin.Context) {
conversation := common.GetContextPack(c, ReverseApiRequestUrl{})
common.Do[Context](new(ApiProcess), Context(conversation))
})
}
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