mirror of
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48 lines
1.6 KiB
Go
48 lines
1.6 KiB
Go
package fiberContext
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import (
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"fmt"
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"strings"
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"github.com/gofiber/fiber/v2"
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"github.com/mudler/LocalAI/core/config"
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"github.com/mudler/LocalAI/core/services"
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"github.com/mudler/LocalAI/pkg/model"
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"github.com/rs/zerolog/log"
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)
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// ModelFromContext returns the model from the context
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// If no model is specified, it will take the first available
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// Takes a model string as input which should be the one received from the user request.
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// It returns the model name resolved from the context and an error if any.
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func ModelFromContext(ctx *fiber.Ctx, cl *config.BackendConfigLoader, loader *model.ModelLoader, modelInput string, firstModel bool) (string, error) {
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if ctx.Params("model") != "" {
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modelInput = ctx.Params("model")
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}
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if ctx.Query("model") != "" {
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modelInput = ctx.Query("model")
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}
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// Set model from bearer token, if available
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bearer := strings.TrimLeft(ctx.Get("authorization"), "Bear ") // Reduced duplicate characters of Bearer
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bearerExists := bearer != "" && loader.ExistsInModelPath(bearer)
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// If no model was specified, take the first available
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if modelInput == "" && !bearerExists && firstModel {
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models, _ := services.ListModels(cl, loader, config.NoFilterFn, services.SKIP_IF_CONFIGURED)
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if len(models) > 0 {
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modelInput = models[0]
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log.Debug().Msgf("No model specified, using: %s", modelInput)
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} else {
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log.Debug().Msgf("No model specified, returning error")
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return "", fmt.Errorf("no model specified")
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}
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}
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// If a model is found in bearer token takes precedence
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if bearerExists {
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log.Debug().Msgf("Using model from bearer token: %s", bearer)
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modelInput = bearer
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}
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return modelInput, nil
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}
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