mcp-gdrive-enhanced-markov/dist/tools/gdrive_update_file.js

MCP server for Google Drive and Sheets with write capabilities, AI-powered PDF analysis, SQLite document indexing, and advanced directory exploration tools

import { google } from "googleapis";
export const schema = {
    name: "gdrive_update_file",
    description: "Update the content of an existing file in Google Drive",
    inputSchema: {
        type: "object",
        properties: {
            fileId: {
                type: "string",
                description: "ID of the file to update"
            },
            content: {
                type: "string",
                description: "New content for the file"
            }
        },
        required: ["fileId", "content"]
    }
};
// Maximum file size: 10MB
const MAX_FILE_SIZE = 10 * 1024 * 1024;
export async function updateFile(args) {
    try {
        const validatedArgs = args;
        // Security validation
        if (Buffer.byteLength(validatedArgs.content) > MAX_FILE_SIZE) {
            return {
                content: [{
                        type: "text",
                        text: "Error: File size exceeds 10MB limit"
                    }],
                isError: true
            };
        }
        const drive = google.drive({ version: "v3" });
        // First, get the file metadata to determine its MIME type
        const fileResponse = await drive.files.get({
            fileId: validatedArgs.fileId,
            fields: "id,name,mimeType"
        });
        const file = fileResponse.data;
        // Update the file content
        const updateResponse = await drive.files.update({
            fileId: validatedArgs.fileId,
            media: {
                mimeType: file.mimeType || "text/plain",
                body: validatedArgs.content
            },
            fields: "id,name,mimeType,modifiedTime,webViewLink"
        });
        const updatedFile = updateResponse.data;
        return {
            content: [{
                    type: "text",
                    text: `File updated successfully:
- Name: ${updatedFile.name}
- ID: ${updatedFile.id}
- MIME Type: ${updatedFile.mimeType}
- Modified: ${updatedFile.modifiedTime}
- View Link: ${updatedFile.webViewLink || "N/A"}`
                }],
            isError: false
        };
    }
    catch (error) {
        if (error.code === 404) {
            return {
                content: [{
                        type: "text",
                        text: "Error: File not found or access denied. With drive.file scope, you can only modify files created by this app."
                    }],
                isError: true
            };
        }
        if (error.code === 403 && error.message?.includes("insufficientPermissions")) {
            return {
                content: [{
                        type: "text",
                        text: "Error: Insufficient permissions. This operation requires write access. Please re-authenticate with updated permissions."
                    }],
                isError: true
            };
        }
        return {
            content: [{
                    type: "text",
                    text: `Error updating file: ${error.message || error}`
                }],
            isError: true
        };
    }
}