feat: 算力引擎 Go 后端核心(new-api)

- 统一 OpenAI 兼容 /v1 中继 + 渠道/额度/令牌/流水
- 各领域包:relay 模型网关、model 数据层、controller 管理 API
This commit is contained in:
2026-08-23 22:38:46 +08:00
commit 28e53d90fc
836 changed files with 165403 additions and 0 deletions
@@ -0,0 +1,9 @@
package claude
func NormalizeCacheCreationSplit(totalTokens int, tokens5m int, tokens1h int) (int, int) {
remainder := totalTokens - tokens5m - tokens1h
if remainder < 0 {
remainder = 0
}
return tokens5m + remainder, tokens1h
}
@@ -0,0 +1,10 @@
package claude
import "errors"
// ErrMissingMaxTokens is returned when an OpenAI-format request carries no
// usable max_tokens and no Options.Claude.DefaultMaxTokens hook is
// configured. The Claude Messages API rejects requests without max_tokens
// (400 "max_tokens: Field required"), so conversion fails loudly instead of
// emitting a request the upstream is guaranteed to refuse.
var ErrMissingMaxTokens = errors.New("claude messages request requires max_tokens: set max_tokens on the request or configure Options.Claude.DefaultMaxTokens")
@@ -0,0 +1,16 @@
package claude
func FunctionParametersToInputSchema(parameters any) map[string]any {
params, _ := parameters.(map[string]any)
schema := make(map[string]any, len(params)+2)
for key, value := range params {
schema[key] = value
}
if schema["type"] == nil {
schema["type"] = "object"
}
if schema["properties"] == nil {
schema["properties"] = map[string]any{}
}
return schema
}
@@ -0,0 +1,46 @@
package claude
import "github.com/QuantumNous/new-api/relaykit/dto"
func MapOpenAIToolChoice(toolChoice any, parallelToolCalls *bool) *dto.ClaudeToolChoice {
var claudeToolChoice *dto.ClaudeToolChoice
if toolChoiceStr, ok := toolChoice.(string); ok {
switch toolChoiceStr {
case "auto":
claudeToolChoice = &dto.ClaudeToolChoice{
Type: "auto",
}
case "required":
claudeToolChoice = &dto.ClaudeToolChoice{
Type: "any",
}
case "none":
claudeToolChoice = &dto.ClaudeToolChoice{
Type: "none",
}
}
} else if toolChoiceMap, ok := toolChoice.(map[string]interface{}); ok {
if function, ok := toolChoiceMap["function"].(map[string]interface{}); ok {
if toolName, ok := function["name"].(string); ok {
claudeToolChoice = &dto.ClaudeToolChoice{
Type: "tool",
Name: toolName,
}
}
}
}
if parallelToolCalls != nil {
if claudeToolChoice == nil {
claudeToolChoice = &dto.ClaudeToolChoice{
Type: "auto",
}
}
if claudeToolChoice.Type != "none" {
claudeToolChoice.DisableParallelToolUse = !*parallelToolCalls
}
}
return claudeToolChoice
}
@@ -0,0 +1,267 @@
package gemini
import (
"strconv"
"strings"
"github.com/QuantumNous/new-api/relaykit/dto"
"github.com/QuantumNous/new-api/relaykit/relayconvert/convmeta"
kitutil "github.com/QuantumNous/new-api/relaykit/relayconvert/kitutil"
"github.com/QuantumNous/new-api/relaykit/relayconvert/reasoning"
)
var SupportedMimeTypes = map[string]bool{
"application/pdf": true,
"audio/mpeg": true,
"audio/mp3": true,
"audio/wav": true,
"image/png": true,
"image/jpeg": true,
"image/jpg": true,
"image/webp": true,
"image/heic": true,
"image/heif": true,
"text/plain": true,
"video/mov": true,
"video/mpeg": true,
"video/mp4": true,
"video/mpg": true,
"video/avi": true,
"video/wmv": true,
"video/mpegps": true,
"video/flv": true,
}
var SafetySettingCategories = []string{
"HARM_CATEGORY_HARASSMENT",
"HARM_CATEGORY_HATE_SPEECH",
"HARM_CATEGORY_SEXUALLY_EXPLICIT",
"HARM_CATEGORY_DANGEROUS_CONTENT",
}
const ThoughtSignatureBypassValue = "context_engineering_is_the_way_to_go"
const (
pro25MinBudget = 128
pro25MaxBudget = 32768
flash25MaxBudget = 24576
flash25LiteMinBudget = 512
flash25LiteMaxBudget = 24576
)
func ShouldAttachThoughtSignature(opts *convmeta.Options) bool {
return opts != nil && opts.Gemini.FunctionCallThoughtSignatureEnabled
}
func AttachThoughtSignatureBypass(opts *convmeta.Options, part *dto.GeminiPart) bool {
if part == nil || len(part.ThoughtSignature) > 0 || !ShouldAttachThoughtSignature(opts) {
return false
}
part.ThoughtSignature = []byte(strconv.Quote(ThoughtSignatureBypassValue))
return true
}
func AttachFunctionCallThoughtSignature(opts *convmeta.Options, part *dto.GeminiPart) bool {
if part == nil || !HasFunctionCallContent(part.FunctionCall) {
return false
}
return AttachThoughtSignatureBypass(opts, part)
}
func AttachFirstTextThoughtSignature(opts *convmeta.Options, parts []dto.GeminiPart) bool {
if !ShouldAttachThoughtSignature(opts) {
return false
}
for i := range parts {
if parts[i].Text != "" && len(parts[i].ThoughtSignature) == 0 {
parts[i].ThoughtSignature = []byte(strconv.Quote(ThoughtSignatureBypassValue))
return true
}
}
return false
}
func ApplyThinkingConfig(geminiRequest *dto.GeminiChatRequest, info convmeta.Meta, oaiRequest ...dto.GeneralOpenAIRequest) {
opts := convmeta.OptionsOf(info)
if geminiRequest == nil || info == nil || !opts.Gemini.ThinkingAdapterEnabled {
return
}
modelName := convmeta.UpstreamModelName(info)
isNew25Pro := strings.HasPrefix(modelName, "gemini-2.5-pro") &&
!strings.HasPrefix(modelName, "gemini-2.5-pro-preview-05-06") &&
!strings.HasPrefix(modelName, "gemini-2.5-pro-preview-03-25")
if strings.Contains(modelName, "-thinking-") {
parts := strings.SplitN(modelName, "-thinking-", 2)
if len(parts) == 2 && parts[1] != "" {
if budgetTokens, err := strconv.Atoi(parts[1]); err == nil {
clampedBudget := clampThinkingBudget(modelName, budgetTokens)
geminiRequest.GenerationConfig.ThinkingConfig = &dto.GeminiThinkingConfig{
ThinkingBudget: kitutil.GetPointer(clampedBudget),
IncludeThoughts: true,
}
}
}
} else if strings.HasSuffix(modelName, "-thinking") {
unsupportedModels := []string{
"gemini-2.5-pro-preview-05-06",
"gemini-2.5-pro-preview-03-25",
}
isUnsupported := false
for _, unsupportedModel := range unsupportedModels {
if strings.HasPrefix(modelName, unsupportedModel) {
isUnsupported = true
break
}
}
if isUnsupported {
geminiRequest.GenerationConfig.ThinkingConfig = &dto.GeminiThinkingConfig{
IncludeThoughts: true,
}
} else {
geminiRequest.GenerationConfig.ThinkingConfig = &dto.GeminiThinkingConfig{
IncludeThoughts: true,
}
if geminiRequest.GenerationConfig.MaxOutputTokens != nil && *geminiRequest.GenerationConfig.MaxOutputTokens > 0 {
budgetTokens := opts.Gemini.ThinkingAdapterBudgetTokensPercentage * float64(*geminiRequest.GenerationConfig.MaxOutputTokens)
clampedBudget := clampThinkingBudget(modelName, int(budgetTokens))
geminiRequest.GenerationConfig.ThinkingConfig.ThinkingBudget = kitutil.GetPointer(clampedBudget)
} else if len(oaiRequest) > 0 {
geminiRequest.GenerationConfig.ThinkingConfig.ThinkingBudget = kitutil.GetPointer(clampThinkingBudgetByEffort(modelName, oaiRequest[0].ReasoningEffort))
}
}
} else if strings.HasSuffix(modelName, "-nothinking") {
if !isNew25Pro {
geminiRequest.GenerationConfig.ThinkingConfig = &dto.GeminiThinkingConfig{
ThinkingBudget: kitutil.GetPointer(0),
}
}
} else if _, level, ok := reasoning.TrimEffortSuffix(modelName); ok && level != "" {
geminiRequest.GenerationConfig.ThinkingConfig = &dto.GeminiThinkingConfig{
IncludeThoughts: true,
ThinkingLevel: level,
}
info.SetReasoningEffort(level)
}
}
func ParseStopSequences(stop any) []string {
if stop == nil {
return nil
}
switch v := stop.(type) {
case string:
if v != "" {
return []string{v}
}
case []string:
return v
case []interface{}:
sequences := make([]string, 0, len(v))
for _, item := range v {
if str, ok := item.(string); ok && str != "" {
sequences = append(sequences, str)
}
}
return sequences
}
return nil
}
func HasFunctionCallContent(call *dto.FunctionCall) bool {
if call == nil {
return false
}
if strings.TrimSpace(call.FunctionName) != "" {
return true
}
switch v := call.Arguments.(type) {
case nil:
return false
case string:
return strings.TrimSpace(v) != ""
case map[string]interface{}:
return len(v) > 0
case []interface{}:
return len(v) > 0
default:
return true
}
}
func SupportedMimeTypesList() []string {
keys := make([]string, 0, len(SupportedMimeTypes))
for key := range SupportedMimeTypes {
keys = append(keys, key)
}
return keys
}
func isNew25ProModel(modelName string) bool {
return strings.HasPrefix(modelName, "gemini-2.5-pro") &&
!strings.HasPrefix(modelName, "gemini-2.5-pro-preview-05-06") &&
!strings.HasPrefix(modelName, "gemini-2.5-pro-preview-03-25")
}
func is25FlashLiteModel(modelName string) bool {
return strings.HasPrefix(modelName, "gemini-2.5-flash-lite")
}
func clampThinkingBudget(modelName string, budget int) int {
isNew25Pro := isNew25ProModel(modelName)
is25FlashLite := is25FlashLiteModel(modelName)
if is25FlashLite {
if budget < flash25LiteMinBudget {
return flash25LiteMinBudget
}
if budget > flash25LiteMaxBudget {
return flash25LiteMaxBudget
}
} else if isNew25Pro {
if budget < pro25MinBudget {
return pro25MinBudget
}
if budget > pro25MaxBudget {
return pro25MaxBudget
}
} else {
if budget < 0 {
return 0
}
if budget > flash25MaxBudget {
return flash25MaxBudget
}
}
return budget
}
func clampThinkingBudgetByEffort(modelName string, effort string) int {
isNew25Pro := isNew25ProModel(modelName)
is25FlashLite := is25FlashLiteModel(modelName)
maxBudget := 0
if is25FlashLite {
maxBudget = flash25LiteMaxBudget
}
if isNew25Pro {
maxBudget = pro25MaxBudget
} else {
maxBudget = flash25MaxBudget
}
switch effort {
case "high":
maxBudget = maxBudget * 80 / 100
case "medium":
maxBudget = maxBudget * 50 / 100
case "low":
maxBudget = maxBudget * 20 / 100
case "minimal":
maxBudget = maxBudget * 5 / 100
}
return clampThinkingBudget(modelName, maxBudget)
}
@@ -0,0 +1,256 @@
package gemini
import (
"strings"
"github.com/QuantumNous/new-api/relaykit/dto"
)
var geminiOpenAPISchemaAllowedFields = map[string]struct{}{
"anyOf": {},
"default": {},
"description": {},
"enum": {},
"example": {},
"format": {},
"items": {},
"maxItems": {},
"maxLength": {},
"maxProperties": {},
"maximum": {},
"minItems": {},
"minLength": {},
"minProperties": {},
"minimum": {},
"nullable": {},
"pattern": {},
"properties": {},
"propertyOrdering": {},
"required": {},
"title": {},
"type": {},
}
const geminiFunctionSchemaMaxDepth = 64
func CleanFunctionParameters(params interface{}) interface{} {
return cleanGeminiFunctionParametersWithDepth(params, 0)
}
func cleanGeminiFunctionParametersWithDepth(params interface{}, depth int) interface{} {
if params == nil {
return nil
}
if depth >= geminiFunctionSchemaMaxDepth {
return cleanGeminiFunctionParametersShallow(params)
}
switch v := params.(type) {
case map[string]interface{}:
cleanedMap := make(map[string]interface{}, len(v))
for key, val := range v {
if _, ok := geminiOpenAPISchemaAllowedFields[key]; ok {
cleanedMap[key] = val
}
}
normalizeGeminiSchemaTypeAndNullable(cleanedMap)
if props, ok := cleanedMap["properties"].(map[string]interface{}); ok && props != nil {
cleanedProps := make(map[string]interface{})
for propName, propValue := range props {
cleanedProps[propName] = cleanGeminiFunctionParametersWithDepth(propValue, depth+1)
}
cleanedMap["properties"] = cleanedProps
}
if items, ok := cleanedMap["items"].(map[string]interface{}); ok && items != nil {
cleanedMap["items"] = cleanGeminiFunctionParametersWithDepth(items, depth+1)
}
if itemsArray, ok := cleanedMap["items"].([]interface{}); ok && len(itemsArray) > 0 {
cleanedMap["items"] = cleanGeminiFunctionParametersWithDepth(itemsArray[0], depth+1)
}
if nested, ok := cleanedMap["anyOf"].([]interface{}); ok && nested != nil {
cleanedNested := make([]interface{}, len(nested))
for i, item := range nested {
cleanedNested[i] = cleanGeminiFunctionParametersWithDepth(item, depth+1)
}
cleanedMap["anyOf"] = cleanedNested
}
return cleanedMap
case []interface{}:
cleanedArray := make([]interface{}, len(v))
for i, item := range v {
cleanedArray[i] = cleanGeminiFunctionParametersWithDepth(item, depth+1)
}
return cleanedArray
default:
return params
}
}
func cleanGeminiFunctionParametersShallow(params interface{}) interface{} {
switch v := params.(type) {
case map[string]interface{}:
cleanedMap := make(map[string]interface{}, len(v))
for key, val := range v {
if _, ok := geminiOpenAPISchemaAllowedFields[key]; ok {
cleanedMap[key] = val
}
}
normalizeGeminiSchemaTypeAndNullable(cleanedMap)
delete(cleanedMap, "properties")
delete(cleanedMap, "items")
delete(cleanedMap, "anyOf")
return cleanedMap
case []interface{}:
return []interface{}{}
default:
return params
}
}
func normalizeGeminiSchemaTypeAndNullable(schema map[string]interface{}) {
rawType, ok := schema["type"]
if !ok || rawType == nil {
return
}
normalize := func(t string) (string, bool) {
switch strings.ToLower(strings.TrimSpace(t)) {
case "object":
return "OBJECT", false
case "array":
return "ARRAY", false
case "string":
return "STRING", false
case "integer":
return "INTEGER", false
case "number":
return "NUMBER", false
case "boolean":
return "BOOLEAN", false
case "null":
return "", true
default:
return t, false
}
}
switch typed := rawType.(type) {
case string:
normalized, isNull := normalize(typed)
if isNull {
schema["nullable"] = true
delete(schema, "type")
return
}
schema["type"] = normalized
case []interface{}:
nullable := false
var chosen string
for _, item := range typed {
if value, ok := item.(string); ok {
normalized, isNull := normalize(value)
if isNull {
nullable = true
continue
}
if chosen == "" {
chosen = normalized
}
}
}
if nullable {
schema["nullable"] = true
}
if chosen != "" {
schema["type"] = chosen
} else {
delete(schema, "type")
}
}
}
func RemoveAdditionalProperties(schema interface{}, depth int) interface{} {
if depth >= 5 {
return schema
}
value, ok := schema.(map[string]interface{})
if !ok || len(value) == 0 {
return schema
}
delete(value, "title")
delete(value, "$schema")
if typeVal, exists := value["type"]; !exists || (typeVal != "object" && typeVal != "array") {
return schema
}
switch value["type"] {
case "object":
delete(value, "additionalProperties")
if properties, ok := value["properties"].(map[string]interface{}); ok {
for key, nested := range properties {
properties[key] = RemoveAdditionalProperties(nested, depth+1)
}
}
for _, field := range []string{"allOf", "anyOf", "oneOf"} {
if nested, ok := value[field].([]interface{}); ok {
for i, item := range nested {
nested[i] = RemoveAdditionalProperties(item, depth+1)
}
}
}
case "array":
if items, ok := value["items"].(map[string]interface{}); ok {
value["items"] = RemoveAdditionalProperties(items, depth+1)
}
}
return value
}
func OpenAIToolChoiceToConfig(toolChoice any) *dto.ToolConfig {
if toolChoice == nil {
return nil
}
if toolChoiceStr, ok := toolChoice.(string); ok {
config := &dto.ToolConfig{
FunctionCallingConfig: &dto.FunctionCallingConfig{},
}
switch toolChoiceStr {
case "auto":
config.FunctionCallingConfig.Mode = "AUTO"
case "none":
config.FunctionCallingConfig.Mode = "NONE"
case "required":
config.FunctionCallingConfig.Mode = "ANY"
default:
config.FunctionCallingConfig.Mode = "AUTO"
}
return config
}
if toolChoiceMap, ok := toolChoice.(map[string]interface{}); ok {
if toolChoiceMap["type"] == "function" {
config := &dto.ToolConfig{
FunctionCallingConfig: &dto.FunctionCallingConfig{
Mode: "ANY",
},
}
if function, ok := toolChoiceMap["function"].(map[string]interface{}); ok {
if name, ok := function["name"].(string); ok && name != "" {
config.FunctionCallingConfig.AllowedFunctionNames = []string{name}
}
}
return config
}
return nil
}
return nil
}