start the path to rust

dist_ts/mail/delivery/smtpclient/constants.js

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+/**
+ * SMTP Client Constants and Error Codes
+ * All constants, error codes, and enums for SMTP client operations
+ */
+/**
+ * SMTP response codes
+ */
+export const SMTP_CODES = {
+    // Positive completion replies
+    SERVICE_READY: 220,
+    SERVICE_CLOSING: 221,
+    AUTHENTICATION_SUCCESSFUL: 235,
+    REQUESTED_ACTION_OK: 250,
+    USER_NOT_LOCAL: 251,
+    CANNOT_VERIFY_USER: 252,
+    // Positive intermediate replies
+    START_MAIL_INPUT: 354,
+    // Transient negative completion replies
+    SERVICE_NOT_AVAILABLE: 421,
+    MAILBOX_BUSY: 450,
+    LOCAL_ERROR: 451,
+    INSUFFICIENT_STORAGE: 452,
+    UNABLE_TO_ACCOMMODATE: 455,
+    // Permanent negative completion replies
+    SYNTAX_ERROR: 500,
+    SYNTAX_ERROR_PARAMETERS: 501,
+    COMMAND_NOT_IMPLEMENTED: 502,
+    BAD_SEQUENCE: 503,
+    PARAMETER_NOT_IMPLEMENTED: 504,
+    MAILBOX_UNAVAILABLE: 550,
+    USER_NOT_LOCAL_TRY_FORWARD: 551,
+    EXCEEDED_STORAGE: 552,
+    MAILBOX_NAME_NOT_ALLOWED: 553,
+    TRANSACTION_FAILED: 554
+};
+/**
+ * SMTP command names
+ */
+export const SMTP_COMMANDS = {
+    HELO: 'HELO',
+    EHLO: 'EHLO',
+    MAIL_FROM: 'MAIL FROM',
+    RCPT_TO: 'RCPT TO',
+    DATA: 'DATA',
+    RSET: 'RSET',
+    NOOP: 'NOOP',
+    QUIT: 'QUIT',
+    STARTTLS: 'STARTTLS',
+    AUTH: 'AUTH'
+};
+/**
+ * Authentication methods
+ */
+export const AUTH_METHODS = {
+    PLAIN: 'PLAIN',
+    LOGIN: 'LOGIN',
+    OAUTH2: 'XOAUTH2',
+    CRAM_MD5: 'CRAM-MD5'
+};
+/**
+ * Common SMTP extensions
+ */
+export const SMTP_EXTENSIONS = {
+    PIPELINING: 'PIPELINING',
+    SIZE: 'SIZE',
+    STARTTLS: 'STARTTLS',
+    AUTH: 'AUTH',
+    EIGHT_BIT_MIME: '8BITMIME',
+    CHUNKING: 'CHUNKING',
+    ENHANCED_STATUS_CODES: 'ENHANCEDSTATUSCODES',
+    DSN: 'DSN'
+};
+/**
+ * Default configuration values
+ */
+export const DEFAULTS = {
+    CONNECTION_TIMEOUT: 60000, // 60 seconds
+    SOCKET_TIMEOUT: 300000, // 5 minutes
+    COMMAND_TIMEOUT: 30000, // 30 seconds
+    MAX_CONNECTIONS: 5,
+    MAX_MESSAGES: 100,
+    PORT_SMTP: 25,
+    PORT_SUBMISSION: 587,
+    PORT_SMTPS: 465,
+    RETRY_ATTEMPTS: 3,
+    RETRY_DELAY: 1000,
+    POOL_IDLE_TIMEOUT: 30000 // 30 seconds
+};
+/**
+ * Error types for classification
+ */
+export var SmtpErrorType;
+(function (SmtpErrorType) {
+    SmtpErrorType["CONNECTION_ERROR"] = "CONNECTION_ERROR";
+    SmtpErrorType["AUTHENTICATION_ERROR"] = "AUTHENTICATION_ERROR";
+    SmtpErrorType["PROTOCOL_ERROR"] = "PROTOCOL_ERROR";
+    SmtpErrorType["TIMEOUT_ERROR"] = "TIMEOUT_ERROR";
+    SmtpErrorType["TLS_ERROR"] = "TLS_ERROR";
+    SmtpErrorType["SYNTAX_ERROR"] = "SYNTAX_ERROR";
+    SmtpErrorType["MAILBOX_ERROR"] = "MAILBOX_ERROR";
+    SmtpErrorType["QUOTA_ERROR"] = "QUOTA_ERROR";
+    SmtpErrorType["UNKNOWN_ERROR"] = "UNKNOWN_ERROR";
+})(SmtpErrorType || (SmtpErrorType = {}));
+/**
+ * Regular expressions for parsing
+ */
+export const REGEX_PATTERNS = {
+    EMAIL_ADDRESS: /^[^\s@]+@[^\s@]+\.[^\s@]+$/,
+    RESPONSE_CODE: /^(\d{3})([ -])(.*)/,
+    ENHANCED_STATUS: /^(\d\.\d\.\d)\s/,
+    AUTH_CAPABILITIES: /AUTH\s+(.+)/i,
+    SIZE_EXTENSION: /SIZE\s+(\d+)/i
+};
+/**
+ * Line endings and separators
+ */
+export const LINE_ENDINGS = {
+    CRLF: '\r\n',
+    LF: '\n',
+    CR: '\r'
+};
+/**
+ * Connection states for internal use
+ */
+export const CONNECTION_STATES = {
+    DISCONNECTED: 'disconnected',
+    CONNECTING: 'connecting',
+    CONNECTED: 'connected',
+    AUTHENTICATED: 'authenticated',
+    READY: 'ready',
+    BUSY: 'busy',
+    CLOSING: 'closing',
+    ERROR: 'error'
+};
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