gmail-mcp-server/dist/attachment-handler.d.ts

Gmail MCP Server with on-demand authentication for SIYA/Claude Desktop. Complete Gmail integration with multi-user support and OAuth2 security.

import { gmail_v1 } from 'googleapis';
import { EmailAttachment, LargeAttachmentConfig, AttachmentProcessingResult, AttachmentDownloadOptions } from './types.js';
export declare class LargeAttachmentHandler {
    private config;
    private gmail;
    constructor(gmail: gmail_v1.Gmail, config?: Partial<LargeAttachmentConfig>);
    private ensureTempDir;
    /**
     * Process attachments for sending, handling large files appropriately
     */
    processAttachmentsForSending(attachments: EmailAttachment[]): Promise<AttachmentProcessingResult[]>;
    private processAttachment;
    /**
     * Create Gmail attachment parts for large files using streaming
     */
    createAttachmentParts(results: AttachmentProcessingResult[]): Promise<gmail_v1.Schema$MessagePart[]>;
    private createLargeAttachmentPart;
    private createSmallAttachmentPart;
    /**
     * Download attachment with streaming support for large files
     */
    downloadAttachment(options: AttachmentDownloadOptions): Promise<Buffer | string>;
    /**
     * Download attachment and save to local downloads directory with auto-generated path
     */
    downloadAttachmentToLocal(messageId: string, attachmentId: string, customPath?: string): Promise<{
        filePath: string;
        filename: string;
        size: number;
        contentType: string;
    }>;
    /**
     * Ensure directory exists
     */
    private ensureDirectory;
    private streamToFile;
    /**
     * Clean up temporary files
     */
    cleanup(results: AttachmentProcessingResult[]): Promise<void>;
    /**
     * Get attachment info without downloading
     */
    getAttachmentInfo(messageId: string, attachmentId: string): Promise<{
        filename: string;
        size: number;
        contentType: string;
    }>;
    private findAttachmentInMessage;
    private extractFilename;
    private extractContentType;
    private generateAttachmentId;
    /**
     * Validate attachment size and type
     */
    validateAttachment(attachment: EmailAttachment): {
        valid: boolean;
        error?: string;
    };
    /**
     * List all downloaded attachments in the downloads directory
     */
    listDownloadedAttachments(downloadsDir?: string): Promise<Array<{
        filename: string;
        filePath: string;
        size: number;
        downloadDate: Date;
        fileUrl: string;
    }>>;
    /**
     * Clean up old downloaded attachments
     */
    cleanupOldDownloads(maxAgeMs?: number, downloadsDir?: string): Promise<{
        cleaned: number;
        errors: string[];
    }>;
    /**
     * Get memory usage statistics
     */
    getMemoryStats(): {
        heapUsed: number;
        heapTotal: number;
        external: number;
    };
}
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