Files
CLIProxyAPI/internal/config/vertex_compat.go

92 lines
3.5 KiB
Go

package config
import "strings"
// VertexCompatKey represents the configuration for Vertex AI-compatible API keys.
// This supports third-party services that use Vertex AI-style endpoint paths
// (/publishers/google/models/{model}:streamGenerateContent) but authenticate
// with simple API keys instead of Google Cloud service account credentials.
//
// Example services: zenmux.ai and similar Vertex-compatible providers.
type VertexCompatKey struct {
// APIKey is the authentication key for accessing the Vertex-compatible API.
// Maps to the x-goog-api-key header.
APIKey string `yaml:"api-key" json:"api-key"`
// Prefix optionally namespaces model aliases for this credential (e.g., "teamA/vertex-pro").
Prefix string `yaml:"prefix,omitempty" json:"prefix,omitempty"`
// BaseURL is the base URL for the Vertex-compatible API endpoint.
// The executor will append "/v1/publishers/google/models/{model}:action" to this.
// Example: "https://zenmux.ai/api" becomes "https://zenmux.ai/api/v1/publishers/google/models/..."
BaseURL string `yaml:"base-url,omitempty" json:"base-url,omitempty"`
// ProxyURL optionally overrides the global proxy for this API key.
ProxyURL string `yaml:"proxy-url,omitempty" json:"proxy-url,omitempty"`
// Headers optionally adds extra HTTP headers for requests sent with this key.
// Commonly used for cookies, user-agent, and other authentication headers.
Headers map[string]string `yaml:"headers,omitempty" json:"headers,omitempty"`
// Models defines the model configurations including aliases for routing.
Models []VertexCompatModel `yaml:"models,omitempty" json:"models,omitempty"`
}
// VertexCompatModel represents a model configuration for Vertex compatibility,
// including the actual model name and its alias for API routing.
type VertexCompatModel struct {
// Name is the actual model name used by the external provider.
Name string `yaml:"name" json:"name"`
// Alias is the model name alias that clients will use to reference this model.
Alias string `yaml:"alias" json:"alias"`
}
func (m VertexCompatModel) GetName() string { return m.Name }
func (m VertexCompatModel) GetAlias() string { return m.Alias }
// SanitizeVertexCompatKeys deduplicates and normalizes Vertex-compatible API key credentials.
func (cfg *Config) SanitizeVertexCompatKeys() {
if cfg == nil {
return
}
seen := make(map[string]struct{}, len(cfg.VertexCompatAPIKey))
out := cfg.VertexCompatAPIKey[:0]
for i := range cfg.VertexCompatAPIKey {
entry := cfg.VertexCompatAPIKey[i]
entry.APIKey = strings.TrimSpace(entry.APIKey)
if entry.APIKey == "" {
continue
}
entry.Prefix = normalizeModelPrefix(entry.Prefix)
entry.BaseURL = strings.TrimSpace(entry.BaseURL)
if entry.BaseURL == "" {
// BaseURL is required for Vertex API key entries
continue
}
entry.ProxyURL = strings.TrimSpace(entry.ProxyURL)
entry.Headers = NormalizeHeaders(entry.Headers)
// Sanitize models: remove entries without valid alias
sanitizedModels := make([]VertexCompatModel, 0, len(entry.Models))
for _, model := range entry.Models {
model.Alias = strings.TrimSpace(model.Alias)
model.Name = strings.TrimSpace(model.Name)
if model.Alias != "" && model.Name != "" {
sanitizedModels = append(sanitizedModels, model)
}
}
entry.Models = sanitizedModels
// Use API key + base URL as uniqueness key
uniqueKey := entry.APIKey + "|" + entry.BaseURL
if _, exists := seen[uniqueKey]; exists {
continue
}
seen[uniqueKey] = struct{}{}
out = append(out, entry)
}
cfg.VertexCompatAPIKey = out
}