refactor: refactor relay part (#957)

* refactor: refactor relay part

* refactor: refactor config part

common/config/config.go

@@ -0,0 +1,127 @@
+package config
+
+import (
+	"one-api/common/helper"
+	"os"
+	"strconv"
+	"sync"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+var SystemName = "One API"
+var ServerAddress = "http://localhost:3000"
+var Footer = ""
+var Logo = ""
+var TopUpLink = ""
+var ChatLink = ""
+var QuotaPerUnit = 500 * 1000.0 // $0.002 / 1K tokens
+var DisplayInCurrencyEnabled = true
+var DisplayTokenStatEnabled = true
+
+// Any options with "Secret", "Token" in its key won't be return by GetOptions
+
+var SessionSecret = uuid.New().String()
+
+var OptionMap map[string]string
+var OptionMapRWMutex sync.RWMutex
+
+var ItemsPerPage = 10
+var MaxRecentItems = 100
+
+var PasswordLoginEnabled = true
+var PasswordRegisterEnabled = true
+var EmailVerificationEnabled = false
+var GitHubOAuthEnabled = false
+var WeChatAuthEnabled = false
+var TurnstileCheckEnabled = false
+var RegisterEnabled = true
+
+var EmailDomainRestrictionEnabled = false
+var EmailDomainWhitelist = []string{
+	"gmail.com",
+	"163.com",
+	"126.com",
+	"qq.com",
+	"outlook.com",
+	"hotmail.com",
+	"icloud.com",
+	"yahoo.com",
+	"foxmail.com",
+}
+
+var DebugEnabled = os.Getenv("DEBUG") == "true"
+var MemoryCacheEnabled = os.Getenv("MEMORY_CACHE_ENABLED") == "true"
+
+var LogConsumeEnabled = true
+
+var SMTPServer = ""
+var SMTPPort = 587
+var SMTPAccount = ""
+var SMTPFrom = ""
+var SMTPToken = ""
+
+var GitHubClientId = ""
+var GitHubClientSecret = ""
+
+var WeChatServerAddress = ""
+var WeChatServerToken = ""
+var WeChatAccountQRCodeImageURL = ""
+
+var TurnstileSiteKey = ""
+var TurnstileSecretKey = ""
+
+var QuotaForNewUser = 0
+var QuotaForInviter = 0
+var QuotaForInvitee = 0
+var ChannelDisableThreshold = 5.0
+var AutomaticDisableChannelEnabled = false
+var AutomaticEnableChannelEnabled = false
+var QuotaRemindThreshold = 1000
+var PreConsumedQuota = 500
+var ApproximateTokenEnabled = false
+var RetryTimes = 0
+
+var RootUserEmail = ""
+
+var IsMasterNode = os.Getenv("NODE_TYPE") != "slave"
+
+var requestInterval, _ = strconv.Atoi(os.Getenv("POLLING_INTERVAL"))
+var RequestInterval = time.Duration(requestInterval) * time.Second
+
+var SyncFrequency = helper.GetOrDefaultEnvInt("SYNC_FREQUENCY", 10*60) // unit is second
+
+var BatchUpdateEnabled = false
+var BatchUpdateInterval = helper.GetOrDefaultEnvInt("BATCH_UPDATE_INTERVAL", 5)
+
+var RelayTimeout = helper.GetOrDefaultEnvInt("RELAY_TIMEOUT", 0) // unit is second
+
+var GeminiSafetySetting = helper.GetOrDefaultEnvString("GEMINI_SAFETY_SETTING", "BLOCK_NONE")
+
+var Theme = helper.GetOrDefaultEnvString("THEME", "default")
+var ValidThemes = map[string]bool{
+	"default": true,
+	"berry":   true,
+}
+
+// All duration's unit is seconds
+// Shouldn't larger then RateLimitKeyExpirationDuration
+var (
+	GlobalApiRateLimitNum            = helper.GetOrDefaultEnvInt("GLOBAL_API_RATE_LIMIT", 180)
+	GlobalApiRateLimitDuration int64 = 3 * 60
+
+	GlobalWebRateLimitNum            = helper.GetOrDefaultEnvInt("GLOBAL_WEB_RATE_LIMIT", 60)
+	GlobalWebRateLimitDuration int64 = 3 * 60
+
+	UploadRateLimitNum            = 10
+	UploadRateLimitDuration int64 = 60
+
+	DownloadRateLimitNum            = 10
+	DownloadRateLimitDuration int64 = 60
+
+	CriticalRateLimitNum            = 20
+	CriticalRateLimitDuration int64 = 20 * 60
+)
+
+var RateLimitKeyExpirationDuration = 20 * time.Minute