mirror of
https://github.com/mudler/LocalAI.git
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eed5706994
Refactor: channel based llm flow and services split --------- Signed-off-by: Dave Lee <dave@gray101.com>
297 lines
14 KiB
Go
297 lines
14 KiB
Go
package http
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import (
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"errors"
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"strings"
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"github.com/go-skynet/LocalAI/core"
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fiberContext "github.com/go-skynet/LocalAI/core/http/ctx"
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"github.com/gofiber/swagger" // swagger handler
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"github.com/go-skynet/LocalAI/core/http/endpoints/elevenlabs"
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"github.com/go-skynet/LocalAI/core/http/endpoints/localai"
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"github.com/go-skynet/LocalAI/core/http/endpoints/openai"
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"github.com/go-skynet/LocalAI/core/schema"
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"github.com/go-skynet/LocalAI/core/services"
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"github.com/go-skynet/LocalAI/internal"
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model "github.com/go-skynet/LocalAI/pkg/model"
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"github.com/gofiber/fiber/v2"
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"github.com/gofiber/fiber/v2/middleware/cors"
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"github.com/gofiber/fiber/v2/middleware/logger"
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"github.com/gofiber/fiber/v2/middleware/recover"
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)
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func readAuthHeader(c *fiber.Ctx) string {
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authHeader := c.Get("Authorization")
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// elevenlabs
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xApiKey := c.Get("xi-api-key")
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if xApiKey != "" {
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authHeader = "Bearer " + xApiKey
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}
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// anthropic
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xApiKey = c.Get("x-api-key")
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if xApiKey != "" {
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authHeader = "Bearer " + xApiKey
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}
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return authHeader
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}
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// @title LocalAI API
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// @version 2.0.0
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// @description The LocalAI Rest API.
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// @termsOfService
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// @contact.name LocalAI
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// @contact.url https://localai.io
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// @license.name MIT
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// @license.url https://raw.githubusercontent.com/mudler/LocalAI/master/LICENSE
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// @BasePath /
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// @securityDefinitions.apikey BearerAuth
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// @in header
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// @name Authorization
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func App(application *core.Application) (*fiber.App, error) {
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// Return errors as JSON responses
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app := fiber.New(fiber.Config{
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Views: renderEngine(),
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BodyLimit: application.ApplicationConfig.UploadLimitMB * 1024 * 1024, // this is the default limit of 4MB
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DisableStartupMessage: application.ApplicationConfig.DisableMessage,
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// Override default error handler
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ErrorHandler: func(ctx *fiber.Ctx, err error) error {
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// Status code defaults to 500
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code := fiber.StatusInternalServerError
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// Retrieve the custom status code if it's a *fiber.Error
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var e *fiber.Error
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if errors.As(err, &e) {
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code = e.Code
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}
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// Send custom error page
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return ctx.Status(code).JSON(
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schema.ErrorResponse{
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Error: &schema.APIError{Message: err.Error(), Code: code},
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},
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)
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},
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})
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if application.ApplicationConfig.Debug {
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app.Use(logger.New(logger.Config{
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Format: "[${ip}]:${port} ${status} - ${method} ${path}\n",
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}))
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}
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// Default middleware config
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if !application.ApplicationConfig.Debug {
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app.Use(recover.New())
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}
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metricsService, err := services.NewLocalAIMetricsService()
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if err != nil {
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return nil, err
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}
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if metricsService != nil {
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app.Use(localai.LocalAIMetricsAPIMiddleware(metricsService))
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app.Hooks().OnShutdown(func() error {
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return metricsService.Shutdown()
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})
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}
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// Auth middleware checking if API key is valid. If no API key is set, no auth is required.
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auth := func(c *fiber.Ctx) error {
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if len(application.ApplicationConfig.ApiKeys) == 0 {
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return c.Next()
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}
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// // Check for api_keys.json file
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// fileContent, err := os.ReadFile("api_keys.json")
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// if err == nil {
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// // Parse JSON content from the file
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// var fileKeys []string
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// err := json.Unmarshal(fileContent, &fileKeys)
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// if err != nil {
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// return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"message": "Error parsing api_keys.json"})
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// }
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// // Add file keys to options.ApiKeys
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// application.ApplicationConfig.ApiKeys = append(application.ApplicationConfig.ApiKeys, fileKeys...)
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// }
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// if len(application.ApplicationConfig.ApiKeys) == 0 {
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// return c.Next()
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// }
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authHeader := readAuthHeader(c)
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if authHeader == "" {
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return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"message": "Authorization header missing"})
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}
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// If it's a bearer token
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authHeaderParts := strings.Split(authHeader, " ")
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if len(authHeaderParts) != 2 || authHeaderParts[0] != "Bearer" {
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return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"message": "Invalid Authorization header format"})
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}
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apiKey := authHeaderParts[1]
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for _, key := range application.ApplicationConfig.ApiKeys {
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if apiKey == key {
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return c.Next()
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}
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}
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return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"message": "Invalid API key"})
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}
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if application.ApplicationConfig.CORS {
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var c func(ctx *fiber.Ctx) error
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if application.ApplicationConfig.CORSAllowOrigins == "" {
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c = cors.New()
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} else {
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c = cors.New(cors.Config{AllowOrigins: application.ApplicationConfig.CORSAllowOrigins})
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}
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app.Use(c)
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}
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fiberContextExtractor := fiberContext.NewFiberContextExtractor(application.ModelLoader, application.ApplicationConfig)
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// LocalAI API endpoints
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galleryService := services.NewGalleryService(application.ApplicationConfig.ModelPath)
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galleryService.Start(application.ApplicationConfig.Context, application.BackendConfigLoader)
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app.Get("/version", auth, func(c *fiber.Ctx) error {
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return c.JSON(struct {
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Version string `json:"version"`
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}{Version: internal.PrintableVersion()})
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})
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app.Get("/swagger/*", swagger.HandlerDefault) // default
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welcomeRoute(
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app,
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application.BackendConfigLoader,
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application.ModelLoader,
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application.ApplicationConfig,
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auth,
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)
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modelGalleryEndpointService := localai.CreateModelGalleryEndpointService(application.ApplicationConfig.Galleries, application.ApplicationConfig.ModelPath, galleryService)
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app.Post("/models/apply", auth, modelGalleryEndpointService.ApplyModelGalleryEndpoint())
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app.Get("/models/available", auth, modelGalleryEndpointService.ListModelFromGalleryEndpoint())
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app.Get("/models/galleries", auth, modelGalleryEndpointService.ListModelGalleriesEndpoint())
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app.Post("/models/galleries", auth, modelGalleryEndpointService.AddModelGalleryEndpoint())
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app.Delete("/models/galleries", auth, modelGalleryEndpointService.RemoveModelGalleryEndpoint())
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app.Get("/models/jobs/:uuid", auth, modelGalleryEndpointService.GetOpStatusEndpoint())
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app.Get("/models/jobs", auth, modelGalleryEndpointService.GetAllStatusEndpoint())
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// Stores
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storeLoader := model.NewModelLoader("") // TODO: Investigate if this should be migrated to application and reused. Should the path be configurable? Merging for now.
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app.Post("/stores/set", auth, localai.StoresSetEndpoint(storeLoader, application.ApplicationConfig))
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app.Post("/stores/delete", auth, localai.StoresDeleteEndpoint(storeLoader, application.ApplicationConfig))
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app.Post("/stores/get", auth, localai.StoresGetEndpoint(storeLoader, application.ApplicationConfig))
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app.Post("/stores/find", auth, localai.StoresFindEndpoint(storeLoader, application.ApplicationConfig))
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// openAI compatible API endpoints
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// chat
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app.Post("/v1/chat/completions", auth, openai.ChatEndpoint(fiberContextExtractor, application.OpenAIService))
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app.Post("/chat/completions", auth, openai.ChatEndpoint(fiberContextExtractor, application.OpenAIService))
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// edit
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app.Post("/v1/edits", auth, openai.EditEndpoint(fiberContextExtractor, application.OpenAIService))
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app.Post("/edits", auth, openai.EditEndpoint(fiberContextExtractor, application.OpenAIService))
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// assistant
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// TODO: Refactor this to the new style eventually
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app.Get("/v1/assistants", auth, openai.ListAssistantsEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Get("/assistants", auth, openai.ListAssistantsEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Post("/v1/assistants", auth, openai.CreateAssistantEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Post("/assistants", auth, openai.CreateAssistantEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Delete("/v1/assistants/:assistant_id", auth, openai.DeleteAssistantEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Delete("/assistants/:assistant_id", auth, openai.DeleteAssistantEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Get("/v1/assistants/:assistant_id", auth, openai.GetAssistantEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Get("/assistants/:assistant_id", auth, openai.GetAssistantEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Post("/v1/assistants/:assistant_id", auth, openai.ModifyAssistantEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Post("/assistants/:assistant_id", auth, openai.ModifyAssistantEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Get("/v1/assistants/:assistant_id/files", auth, openai.ListAssistantFilesEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Get("/assistants/:assistant_id/files", auth, openai.ListAssistantFilesEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Post("/v1/assistants/:assistant_id/files", auth, openai.CreateAssistantFileEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Post("/assistants/:assistant_id/files", auth, openai.CreateAssistantFileEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Delete("/v1/assistants/:assistant_id/files/:file_id", auth, openai.DeleteAssistantFileEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Delete("/assistants/:assistant_id/files/:file_id", auth, openai.DeleteAssistantFileEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Get("/v1/assistants/:assistant_id/files/:file_id", auth, openai.GetAssistantFileEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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app.Get("/assistants/:assistant_id/files/:file_id", auth, openai.GetAssistantFileEndpoint(application.BackendConfigLoader, application.ModelLoader, application.ApplicationConfig))
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// files
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app.Post("/v1/files", auth, openai.UploadFilesEndpoint(application.BackendConfigLoader, application.ApplicationConfig))
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app.Post("/files", auth, openai.UploadFilesEndpoint(application.BackendConfigLoader, application.ApplicationConfig))
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app.Get("/v1/files", auth, openai.ListFilesEndpoint(application.BackendConfigLoader, application.ApplicationConfig))
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app.Get("/files", auth, openai.ListFilesEndpoint(application.BackendConfigLoader, application.ApplicationConfig))
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app.Get("/v1/files/:file_id", auth, openai.GetFilesEndpoint(application.BackendConfigLoader, application.ApplicationConfig))
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app.Get("/files/:file_id", auth, openai.GetFilesEndpoint(application.BackendConfigLoader, application.ApplicationConfig))
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app.Delete("/v1/files/:file_id", auth, openai.DeleteFilesEndpoint(application.BackendConfigLoader, application.ApplicationConfig))
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app.Delete("/files/:file_id", auth, openai.DeleteFilesEndpoint(application.BackendConfigLoader, application.ApplicationConfig))
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app.Get("/v1/files/:file_id/content", auth, openai.GetFilesContentsEndpoint(application.BackendConfigLoader, application.ApplicationConfig))
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app.Get("/files/:file_id/content", auth, openai.GetFilesContentsEndpoint(application.BackendConfigLoader, application.ApplicationConfig))
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// completion
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app.Post("/v1/completions", auth, openai.CompletionEndpoint(fiberContextExtractor, application.OpenAIService))
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app.Post("/completions", auth, openai.CompletionEndpoint(fiberContextExtractor, application.OpenAIService))
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app.Post("/v1/engines/:model/completions", auth, openai.CompletionEndpoint(fiberContextExtractor, application.OpenAIService))
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// embeddings
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app.Post("/v1/embeddings", auth, openai.EmbeddingsEndpoint(fiberContextExtractor, application.EmbeddingsBackendService))
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app.Post("/embeddings", auth, openai.EmbeddingsEndpoint(fiberContextExtractor, application.EmbeddingsBackendService))
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app.Post("/v1/engines/:model/embeddings", auth, openai.EmbeddingsEndpoint(fiberContextExtractor, application.EmbeddingsBackendService))
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// audio
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app.Post("/v1/audio/transcriptions", auth, openai.TranscriptEndpoint(fiberContextExtractor, application.TranscriptionBackendService))
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app.Post("/v1/audio/speech", auth, localai.TTSEndpoint(fiberContextExtractor, application.TextToSpeechBackendService))
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// images
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app.Post("/v1/images/generations", auth, openai.ImageEndpoint(fiberContextExtractor, application.ImageGenerationBackendService))
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// Elevenlabs
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app.Post("/v1/text-to-speech/:voice-id", auth, elevenlabs.TTSEndpoint(fiberContextExtractor, application.TextToSpeechBackendService))
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// LocalAI TTS?
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app.Post("/tts", auth, localai.TTSEndpoint(fiberContextExtractor, application.TextToSpeechBackendService))
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if application.ApplicationConfig.ImageDir != "" {
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app.Static("/generated-images", application.ApplicationConfig.ImageDir)
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}
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if application.ApplicationConfig.AudioDir != "" {
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app.Static("/generated-audio", application.ApplicationConfig.AudioDir)
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}
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ok := func(c *fiber.Ctx) error {
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return c.SendStatus(200)
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}
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// Kubernetes health checks
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app.Get("/healthz", ok)
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app.Get("/readyz", ok)
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// Experimental Backend Statistics Module
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app.Get("/backend/monitor", auth, localai.BackendMonitorEndpoint(application.BackendMonitorService))
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app.Post("/backend/shutdown", auth, localai.BackendShutdownEndpoint(application.BackendMonitorService))
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// models
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app.Get("/v1/models", auth, openai.ListModelsEndpoint(application.ListModelsService))
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app.Get("/models", auth, openai.ListModelsEndpoint(application.ListModelsService))
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app.Get("/metrics", auth, localai.LocalAIMetricsEndpoint())
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// Define a custom 404 handler
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// Note: keep this at the bottom!
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app.Use(notFoundHandler)
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return app, nil
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}
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