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feature: allow ai-proxy to forward standard AI capabilities that are … (#1704)

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This commit is contained in:
pepesi
2025-02-12 15:23:44 +08:00
committed by GitHub
parent 477e44b9f1
commit a84a382f1d
32 changed files with 517 additions and 158 deletions
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25
plugins/wasm-go/extensions/ai-proxy/provider/claude.go
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@@ -85,7 +85,16 @@ func (c *claudeProviderInitializer) ValidateConfig(config *ProviderConfig) error
return nil
}
func (c *claudeProviderInitializer) DefaultCapabilities() map[string]string {
return map[string]string{
string(ApiNameChatCompletion): claudeChatCompletionPath,
// docs: https://docs.anthropic.com/en/docs/build-with-claude/embeddings#voyage-http-api
string(ApiNameEmbeddings): PathOpenAIEmbeddings,
}
}
func (c *claudeProviderInitializer) CreateProvider(config ProviderConfig) (Provider, error) {
config.setDefaultCapabilities(c.DefaultCapabilities())
return &claudeProvider{
config: config,
contextCache: createContextCache(&config),
@@ -102,7 +111,7 @@ func (c *claudeProvider) GetProviderType() string {
}
func (c *claudeProvider) OnRequestHeaders(ctx wrapper.HttpContext, apiName ApiName, log wrapper.Log) error {
if apiName != ApiNameChatCompletion {
if !c.config.isSupportedAPI(apiName) {
return errUnsupportedApiName
}
c.config.handleRequestHeaders(c, ctx, apiName, log)
@@ -110,7 +119,7 @@ func (c *claudeProvider) OnRequestHeaders(ctx wrapper.HttpContext, apiName ApiNa
}
func (c *claudeProvider) TransformRequestHeaders(ctx wrapper.HttpContext, apiName ApiName, headers http.Header, log wrapper.Log) {
util.OverwriteRequestPathHeader(headers, claudeChatCompletionPath)
util.OverwriteRequestPathHeaderByCapability(headers, string(apiName), c.config.capabilities)
util.OverwriteRequestHostHeader(headers, claudeDomain)
headers.Set("x-api-key", c.config.GetApiTokenInUse(ctx))
@@ -123,13 +132,16 @@ func (c *claudeProvider) TransformRequestHeaders(ctx wrapper.HttpContext, apiNam
}
func (c *claudeProvider) OnRequestBody(ctx wrapper.HttpContext, apiName ApiName, body []byte, log wrapper.Log) (types.Action, error) {
if apiName != ApiNameChatCompletion {
if !c.config.isSupportedAPI(apiName) {
return types.ActionContinue, errUnsupportedApiName
}
return c.config.handleRequestBody(c, c.contextCache, ctx, apiName, body, log)
}
func (c *claudeProvider) TransformRequestBody(ctx wrapper.HttpContext, apiName ApiName, body []byte, log wrapper.Log) ([]byte, error) {
if apiName != ApiNameChatCompletion {
return c.config.defaultTransformRequestBody(ctx, apiName, body, log)
}
request := &chatCompletionRequest{}
if err := c.config.parseRequestAndMapModel(ctx, request, body, log); err != nil {
return nil, err
@@ -139,6 +151,9 @@ func (c *claudeProvider) TransformRequestBody(ctx wrapper.HttpContext, apiName A
}
func (c *claudeProvider) TransformResponseBody(ctx wrapper.HttpContext, apiName ApiName, body []byte, log wrapper.Log) ([]byte, error) {
if apiName != ApiNameChatCompletion {
return body, nil
}
claudeResponse := &claudeTextGenResponse{}
if err := json.Unmarshal(body, claudeResponse); err != nil {
return nil, fmt.Errorf("unable to unmarshal claude response: %v", err)
@@ -154,6 +169,10 @@ func (c *claudeProvider) OnStreamingResponseBody(ctx wrapper.HttpContext, name A
if isLastChunk || len(chunk) == 0 {
return nil, nil
}
// only process the response from chat completion, skip other responses
if name != ApiNameChatCompletion {
return chunk, nil
}
responseBuilder := &strings.Builder{}
lines := strings.Split(string(chunk), "\n")