feat: support openai images edits api

common/ctxkey/key.go

@@ -2,6 +2,7 @@ package ctxkey
 
 const (
 	Id                = "id"
+	RequestId         = "X-Oneapi-Request-Id"
 	Username          = "username"
 	Role              = "role"
 	Status            = "status"
@@ -14,6 +15,7 @@ const (
 	Group             = "group"
 	ModelMapping      = "model_mapping"
 	ChannelName       = "channel_name"
+	ContentType       = "content_type"
 	TokenId           = "token_id"
 	TokenName         = "token_name"
 	BaseURL           = "base_url"

common/gin.go

@@ -2,10 +2,10 @@ package common
 
 import (
 	"bytes"
-	"encoding/json"
-	"github.com/gin-gonic/gin"
 	"io"
-	"strings"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pkg/errors"
 )
 
 const KeyRequestBody = "key_request_body"
@@ -29,18 +29,16 @@ func UnmarshalBodyReusable(c *gin.Context, v any) error {
 	if err != nil {
 		return err
 	}
-	contentType := c.Request.Header.Get("Content-Type")
-	if strings.HasPrefix(contentType, "application/json") {
-		err = json.Unmarshal(requestBody, &v)
-	} else {
-		// skip for now
-		// TODO: someday non json request have variant model, we will need to implementation this
-	}
-	if err != nil {
-		return err
-	}
 	// Reset request body
 	c.Request.Body = io.NopCloser(bytes.NewBuffer(requestBody))
+	defer func() {
+		c.Request.Body = io.NopCloser(bytes.NewBuffer(requestBody))
+	}()
+
+	if err = c.Bind(v); err != nil {
+		return errors.Wrap(err, "bind request body failed")
+	}
+
 	return nil
 }
 

common/logger/constants.go

@@ -1,7 +1,3 @@
 package logger
 
-const (
-	RequestIdKey = "X-Oneapi-Request-Id"
-)
-
 var LogDir string

common/logger/logger.go

@@ -12,6 +12,7 @@ import (
 
 	"github.com/gin-gonic/gin"
 	"github.com/songquanpeng/one-api/common/config"
+	"github.com/songquanpeng/one-api/common/ctxkey"
 	"github.com/songquanpeng/one-api/common/helper"
 )
 
@@ -87,7 +88,7 @@ func logHelper(ctx context.Context, level string, msg string) {
 	if level == loggerINFO {
 		writer = gin.DefaultWriter
 	}
-	id := ctx.Value(RequestIdKey)
+	id := ctx.Value(ctxkey.RequestId)
 	if id == nil {
 		id = helper.GenRequestID()
 	}