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67 lines
2.0 KiB
Go
67 lines
2.0 KiB
Go
package provider
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import (
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"errors"
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"net/http"
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"github.com/alibaba/higress/plugins/wasm-go/extensions/ai-proxy/util"
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"github.com/alibaba/higress/plugins/wasm-go/pkg/wrapper"
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"github.com/higress-group/proxy-wasm-go-sdk/proxywasm/types"
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)
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const (
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mistralDomain = "api.mistral.ai"
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)
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type mistralProviderInitializer struct{}
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func (m *mistralProviderInitializer) ValidateConfig(config *ProviderConfig) error {
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if config.apiTokens == nil || len(config.apiTokens) == 0 {
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return errors.New("no apiToken found in provider config")
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}
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return nil
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}
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func (m *mistralProviderInitializer) DefaultCapabilities() map[string]string {
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return map[string]string{
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// The chat interface of mistral is the same as that of OpenAI. docs: https://docs.mistral.ai/api/
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string(ApiNameChatCompletion): PathOpenAIChatCompletions,
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string(ApiNameEmbeddings): PathOpenAIEmbeddings,
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}
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}
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func (m *mistralProviderInitializer) CreateProvider(config ProviderConfig) (Provider, error) {
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config.setDefaultCapabilities(m.DefaultCapabilities())
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return &mistralProvider{
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config: config,
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contextCache: createContextCache(&config),
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}, nil
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}
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type mistralProvider struct {
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config ProviderConfig
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contextCache *contextCache
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}
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func (m *mistralProvider) GetProviderType() string {
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return providerTypeMistral
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}
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func (m *mistralProvider) OnRequestHeaders(ctx wrapper.HttpContext, apiName ApiName) error {
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m.config.handleRequestHeaders(m, ctx, apiName)
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return nil
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}
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func (m *mistralProvider) OnRequestBody(ctx wrapper.HttpContext, apiName ApiName, body []byte) (types.Action, error) {
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if !m.config.isSupportedAPI(apiName) {
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return types.ActionContinue, errUnsupportedApiName
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}
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return m.config.handleRequestBody(m, m.contextCache, ctx, apiName, body)
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}
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func (m *mistralProvider) TransformRequestHeaders(ctx wrapper.HttpContext, apiName ApiName, headers http.Header) {
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util.OverwriteRequestHostHeader(headers, mistralDomain)
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util.OverwriteRequestAuthorizationHeader(headers, "Bearer "+m.config.GetApiTokenInUse(ctx))
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headers.Del("Content-Length")
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}
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