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69 changes: 69 additions & 0 deletions
69
plugins/wasm-go/extensions/ai-proxy/provider/together_ai.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| package provider | ||
|
|
||
| import ( | ||
| "errors" | ||
| "github.com/alibaba/higress/plugins/wasm-go/extensions/ai-proxy/util" | ||
| "github.com/alibaba/higress/plugins/wasm-go/pkg/wrapper" | ||
| "github.com/higress-group/proxy-wasm-go-sdk/proxywasm/types" | ||
| "net/http" | ||
| "strings" | ||
| ) | ||
|
|
||
| const ( | ||
| togetherAIDomain = "api.together.xyz" | ||
| togetherAICompletionPath = "/v1/chat/completions" | ||
| ) | ||
|
|
||
| type togetherAIProviderInitializer struct{} | ||
|
|
||
| func (m *togetherAIProviderInitializer) ValidateConfig(config ProviderConfig) error { | ||
| if config.apiTokens == nil || len(config.apiTokens) == 0 { | ||
| return errors.New("no apiToken found in provider config") | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (m *togetherAIProviderInitializer) CreateProvider(config ProviderConfig) (Provider, error) { | ||
| return &togetherAIProvider{ | ||
| config: config, | ||
| contextCache: createContextCache(&config), | ||
| }, nil | ||
| } | ||
|
|
||
| type togetherAIProvider struct { | ||
| config ProviderConfig | ||
| contextCache *contextCache | ||
| } | ||
|
|
||
| func (m *togetherAIProvider) GetProviderType() string { | ||
| return providerTypeTogetherAI | ||
| } | ||
|
|
||
| func (m *togetherAIProvider) OnRequestHeaders(ctx wrapper.HttpContext, apiName ApiName, log wrapper.Log) error { | ||
| if apiName != ApiNameChatCompletion { | ||
| return errUnsupportedApiName | ||
| } | ||
| m.config.handleRequestHeaders(m, ctx, apiName, log) | ||
| return nil | ||
| } | ||
|
|
||
| func (m *togetherAIProvider) OnRequestBody(ctx wrapper.HttpContext, apiName ApiName, body []byte, log wrapper.Log) (types.Action, error) { | ||
| if apiName != ApiNameChatCompletion { | ||
| return types.ActionContinue, errUnsupportedApiName | ||
| } | ||
| return m.config.handleRequestBody(m, m.contextCache, ctx, apiName, body, log) | ||
| } | ||
|
|
||
| func (m *togetherAIProvider) TransformRequestHeaders(ctx wrapper.HttpContext, apiName ApiName, headers http.Header, log wrapper.Log) { | ||
| util.OverwriteRequestPathHeader(headers, togetherAICompletionPath) | ||
| util.OverwriteRequestHostHeader(headers, togetherAIDomain) | ||
| util.OverwriteRequestAuthorizationHeader(headers, "Bearer "+m.config.GetApiTokenInUse(ctx)) | ||
| headers.Del("Content-Length") | ||
| } | ||
|
|
||
| func (m *togetherAIProvider) GetApiName(path string) ApiName { | ||
| if strings.Contains(path, togetherAICompletionPath) { | ||
| return ApiNameChatCompletion | ||
| } | ||
| return "" | ||
| } |