489 lines
22 KiB
Python
489 lines
22 KiB
Python
import glob
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import json
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import os
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import re
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import time
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from datetime import datetime, timedelta
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from email.message import EmailMessage
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from email.utils import format_datetime
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from typing import Set
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from dateutil import parser
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from dateutil.tz import UTC
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from rich import print
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from rich.panel import Panel
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from rich.progress import Progress, SpinnerColumn, MofNCompleteColumn
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import aiohttp
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import argparse
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import asyncio
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import html2text
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import msal
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import orjson
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# Filepath for caching timestamp
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cache_timestamp_file = 'cache_timestamp.json'
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# Filepath for sync timestamp
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sync_timestamp_file = 'sync_timestamp.json'
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# Function to load the last sync timestamp
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def load_last_sync_timestamp():
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if os.path.exists(sync_timestamp_file):
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with open(sync_timestamp_file, 'r') as f:
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return json.load(f).get('last_sync', 0)
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return 0
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# Function to save the current sync timestamp
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def save_sync_timestamp():
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with open(sync_timestamp_file, 'w') as f:
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json.dump({'last_sync': time.time()}, f)
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# Add argument parsing for dry-run mode
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arg_parser = argparse.ArgumentParser(description="Fetch and synchronize emails.")
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arg_parser.add_argument("--dry-run", action="store_true", help="Run in dry-run mode without making changes.", default=False)
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args = arg_parser.parse_args()
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dry_run = args.dry_run
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# Define a global semaphore for throttling
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semaphore = asyncio.Semaphore(4)
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async def fetch_with_aiohttp(url, headers):
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async with semaphore:
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async with aiohttp.ClientSession() as session:
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async with session.get(url, headers=headers) as response:
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if response.status != 200:
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raise Exception(f"Failed to fetch {url}: {response.status} {await response.text()}")
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raw_bytes = await response.read()
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content_length = response.headers.get('Content-Length')
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if content_length and len(raw_bytes) != int(content_length):
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print("Warning: Incomplete response received!")
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return None
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return orjson.loads(raw_bytes)
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async def post_with_aiohttp(url, headers, json_data):
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async with semaphore:
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async with aiohttp.ClientSession() as session:
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async with session.post(url, headers=headers, json=json_data) as response:
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return response.status
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async def patch_with_aiohttp(url, headers, json_data):
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async with semaphore:
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async with aiohttp.ClientSession() as session:
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async with session.patch(url, headers=headers, json=json_data) as response:
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return response.status
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async def delete_with_aiohttp(url, headers):
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async with semaphore:
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async with aiohttp.ClientSession() as session:
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async with session.delete(url, headers=headers) as response:
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return response.status
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async def synchronize_maildir_async(maildir_path, headers, progress, task_id):
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last_sync = load_last_sync_timestamp()
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current_time = time.time()
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# Find messages moved from "new" to "cur" and mark them as read
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new_dir = os.path.join(maildir_path, 'new')
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cur_dir = os.path.join(maildir_path, 'cur')
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new_files = set(glob.glob(os.path.join(new_dir, '*.eml*')))
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cur_files = set(glob.glob(os.path.join(cur_dir, '*.eml*')))
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moved_to_cur = [os.path.basename(f) for f in cur_files - new_files]
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progress.update(task_id, total=len(moved_to_cur))
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for filename in moved_to_cur:
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# TODO: this isn't scalable, we should use a more efficient way to check if the file was modified
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if os.path.getmtime(os.path.join(cur_dir, filename)) < last_sync:
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progress.update(task_id, advance=1)
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continue
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message_id = re.sub(r"\:2.+", "", filename.split('.')[0]) # Extract the Message-ID from the filename
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if not dry_run:
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status = await patch_with_aiohttp(
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f'https://graph.microsoft.com/v1.0/me/messages/{message_id}',
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headers,
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{'isRead': True}
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)
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if status == 404:
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os.remove(os.path.join(cur_dir, filename))
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else:
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progress.console.print(f"[DRY-RUN] Would mark message as read: {message_id}")
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progress.advance(task_id)
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# Save the current sync timestamp
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if not dry_run:
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save_sync_timestamp()
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else:
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progress.console.print("[DRY-RUN] Would save sync timestamp.")
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async def fetch_mail_async(maildir_path, attachments_dir, headers, progress, task_id):
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mail_url = 'https://graph.microsoft.com/v1.0/me/mailFolders/inbox/messages?$top=100&$orderby=receivedDateTime asc&$select=id,subject,from,toRecipients,ccRecipients,receivedDateTime,isRead'
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messages = []
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# Fetch the total count of messages in the inbox
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inbox_url = 'https://graph.microsoft.com/v1.0/me/mailFolders/inbox'
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response = await fetch_with_aiohttp(inbox_url, headers)
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total_messages = response.get('totalItemCount', 0)
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progress.update(task_id, total=total_messages)
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while mail_url:
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try:
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response_data = await fetch_with_aiohttp(mail_url, headers)
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except Exception as e:
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progress.console.print(f"Error fetching messages: {e}")
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continue
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messages.extend(response_data.get('value', []))
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progress.advance(task_id, len(response_data.get('value', [])))
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# Get the next page URL from @odata.nextLink
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mail_url = response_data.get('@odata.nextLink')
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inbox_msg_ids = set(message['id'] for message in messages)
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progress.update(task_id, completed=(len(messages) / 2))
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new_dir = os.path.join(maildir_path, 'new')
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cur_dir = os.path.join(maildir_path, 'cur')
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new_files = set(glob.glob(os.path.join(new_dir, '*.eml*')))
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cur_files = set(glob.glob(os.path.join(cur_dir, '*.eml*')))
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for filename in Set.union(cur_files, new_files):
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message_id = filename.split('.')[0].split('/')[-1] # Extract the Message-ID from the filename
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if (message_id not in inbox_msg_ids):
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if not dry_run:
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progress.console.print(f"Deleting {filename} from inbox")
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os.remove(filename)
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else:
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progress.console.print(f"[DRY-RUN] Would delete {filename} from inbox")
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for message in messages:
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progress.console.print(f"Processing message: {message.get('subject', 'No Subject')}", end='\r')
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await save_mime_to_maildir_async(maildir_path, message, attachments_dir, headers, progress)
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progress.update(task_id, advance=0.5)
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progress.update(task_id, completed=len(messages))
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progress.console.print(f"\nFinished saving {len(messages)} messages.")
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async def archive_mail_async(maildir_path, headers, progress, task_id):
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archive_dir = os.path.join(maildir_path, '.Archives')
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archive_files = glob.glob(os.path.join(archive_dir, '**', '*.eml*'), recursive=True)
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progress.update(task_id, total=len(archive_files))
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folder_response = await fetch_with_aiohttp('https://graph.microsoft.com/v1.0/me/mailFolders', headers)
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folders = folder_response.get('value', [])
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archive_folder_id = next((folder.get('id') for folder in folders if folder.get('displayName', '').lower() == 'archive'), None)
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if not archive_folder_id:
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raise Exception("No folder named 'Archive' found on the server.")
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for filepath in archive_files:
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message_id = os.path.basename(filepath).split('.')[0] # Extract the Message-ID from the filename
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if not dry_run:
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status = await post_with_aiohttp(
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f'https://graph.microsoft.com/v1.0/me/messages/{message_id}/microsoft.graph.move',
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headers,
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{'destinationId': archive_folder_id}
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)
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if status != 201: # 201 Created indicates success
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progress.console.print(f"Failed to move message to 'Archive': {message_id}, {status}")
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if status == 404:
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os.remove(filepath) # Remove the file from local archive if not fo
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progress.console.print(f"Message not found on server, removed local copy: {message_id}")
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elif status == 204:
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progress.console.print(f"Moved message to 'Archive': {message_id}")
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else:
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progress.console.print(f"[DRY-RUN] Would move message to 'Archive' folder: {message_id}")
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progress.advance(task_id)
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return
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async def delete_mail_async(maildir_path, headers, progress, task_id):
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trash_dir = os.path.join(maildir_path, '.Trash', 'cur')
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trash_files = set(glob.glob(os.path.join(trash_dir, '*.eml*')))
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progress.update(task_id, total=len(trash_files))
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for filepath in trash_files:
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message_id = os.path.basename(filepath).split('.')[0] # Extract the Message-ID from the filename
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if not dry_run:
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progress.console.print(f"Moving message to trash: {message_id}")
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status = await delete_with_aiohttp(
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f'https://graph.microsoft.com/v1.0/me/messages/{message_id}',
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headers
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)
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if status == 204 or status == 404:
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os.remove(filepath) # Remove the file from local trash
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else:
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progress.console.print(f"[DRY-RUN] Would delete message: {message_id}")
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progress.advance(task_id)
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async def fetch_calendar_async(headers, progress, task_id):
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yesterday = datetime.now().replace(hour=0, minute=0, second=0) - timedelta(days=1)
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end_of_today = datetime.now().replace(hour=23, minute=59, second=59)
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six_days_future = end_of_today + timedelta(days=6)
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# example https://graph.microsoft.com/v1.0/me/calendarView?startDateTime=2025-05-06T00:00:00&endDateTime=2025-05-13T23:59:59.999999&$count=true&$select=id
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event_base_url =f"https://graph.microsoft.com/v1.0/me/calendarView?startDateTime={yesterday.isoformat()}&endDateTime={six_days_future.isoformat()}"
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total_event_url = f"{event_base_url}&$count=true&$select=id"
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total = await fetch_with_aiohttp(total_event_url, headers)
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total_events = total.get('@odata.count', 0) + 1
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progress.update(task_id, total=total_events)
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calendar_url = f"{event_base_url}&$top=100&$select=start,end,iCalUid,subject,bodyPreview,webLink,location,recurrence,showAs,responseStatus,onlineMeeting"
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events = []
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if total_events > 100:
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progress.update(task_id, total=total_events + total_events % 100)
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while calendar_url:
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response_data = await fetch_with_aiohttp(calendar_url, headers)
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events.extend(response_data.get('value', []))
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progress.advance(task_id, 1)
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# Get the next page URL from @odata.nextLink
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calendar_url = response_data.get('@odata.nextLink')
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output_file = 'output_ics/outlook_events_latest.ics'
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if not dry_run:
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os.makedirs(os.path.dirname(output_file), exist_ok=True)
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progress.console.print(f"Saving events to {output_file}...")
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with open(output_file, 'w') as f:
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f.write("BEGIN:VCALENDAR\nVERSION:2.0\n")
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for event in events:
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progress.advance(task_id)
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if 'start' in event and 'end' in event:
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start = parser.isoparse(event['start']['dateTime']).astimezone(UTC)
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end = parser.isoparse(event['end']['dateTime']).astimezone(UTC)
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f.write(f"BEGIN:VEVENT\nSUMMARY:{event['subject']}\nDESCRIPTION:{event.get('bodyPreview', '')}\n")
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f.write(f"UID:{event.get('iCalUId', '')}\n")
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f.write(f"LOCATION:{event.get('location', {})['displayName']}\n")
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f.write(f"CLASS:{event.get('showAs', '')}\n")
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f.write(f"STATUS:{event.get('responseStatus', {})['response']}\n")
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if 'onlineMeeting' in event and event['onlineMeeting']:
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f.write(f"URL:{event.get('onlineMeeting', {}).get('joinUrl', '')}\n")
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f.write(f"DTSTART:{start.strftime('%Y%m%dT%H%M%S')}\n")
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f.write(f"DTEND:{end.strftime('%Y%m%dT%H%M%S')}\n")
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if 'recurrence' in event and event['recurrence']: # Check if 'recurrence' exists and is not None
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for rule in event['recurrence']:
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if rule.startswith('RRULE'):
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rule_parts = rule.split(';')
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new_rule_parts = []
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for part in rule_parts:
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if part.startswith('UNTIL='):
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until_value = part.split('=')[1]
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until_date = parser.isoparse(until_value)
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if start.tzinfo is not None and until_date.tzinfo is None:
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until_date = until_date.replace(tzinfo=UTC)
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new_rule_parts.append(f"UNTIL={until_date.strftime('%Y%m%dT%H%M%SZ')}")
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else:
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new_rule_parts.append(part)
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rule = ';'.join(new_rule_parts)
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f.write(f"{rule}\n")
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f.write("END:VEVENT\n")
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f.write("END:VCALENDAR\n")
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progress.console.print(f"Saved events to {output_file}")
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else:
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progress.console.print(f"[DRY-RUN] Would save events to {output_file}")
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# Function to create Maildir structure
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def create_maildir_structure(base_path):
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os.makedirs(os.path.join(base_path, 'cur'), exist_ok=True)
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os.makedirs(os.path.join(base_path, 'new'), exist_ok=True)
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os.makedirs(os.path.join(base_path, 'tmp'), exist_ok=True)
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async def save_mime_to_maildir_async(maildir_path, email_data, attachments_dir, headers, progress):
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# Create a new EmailMessage object
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msg = EmailMessage()
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# Determine the directory based on isRead
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target_dir = 'cur' if email_data.get('isRead', False) else 'new'
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id = email_data.get('id', '')
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if not id:
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progress.console.print("Message ID not found. Skipping save.")
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return
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email_filename = f"{id}.eml"
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email_filepath = os.path.join(maildir_path, target_dir, email_filename)
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# Check if the file already exists
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if os.path.exists(email_filepath):
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progress.console.print(f"Message {id} already exists in {target_dir}. Skipping save.")
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return
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# Fetch the full MIME payload from the API
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mime_url = f'https://graph.microsoft.com/v1.0/me/messages/{id}/$value'
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try:
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async with aiohttp.ClientSession() as session:
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async with session.get(mime_url, headers=headers) as response:
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if response.status != 200:
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raise Exception(f"Failed to fetch MIME payload for {id}: {response.status} {await response.text()}")
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mime_payload = await response.text()
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# Save the MIME payload to the Maildir
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os.makedirs(os.path.dirname(email_filepath), exist_ok=True)
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with open(email_filepath, 'w') as f:
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f.write(mime_payload)
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progress.console.print(f"Saved message {id} to {target_dir}.")
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except Exception as e:
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progress.console.print(f"Failed to save message {id}: {e}")
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def save_email_to_maildir(maildir_path, email_data, attachments_dir, progress):
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# Create a new EmailMessage object
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msg = EmailMessage()
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received_datetime = email_data.get('receivedDateTime', '')
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if received_datetime:
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parsed_datetime = parser.isoparse(received_datetime)
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msg['Date'] = format_datetime(parsed_datetime)
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else:
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msg['Date'] = ''
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msg['Message-ID'] = email_data.get('id', '')
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msg['Subject'] = email_data.get('subject', 'No Subject')
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msg['From'] = email_data.get('from', {}).get('emailAddress', {}).get('address', 'unknown@unknown.com')
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msg['To'] = ', '.join([recipient['emailAddress']['address'] for recipient in email_data.get('toRecipients', [])])
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msg['Cc'] = ', '.join([recipient['emailAddress']['address'] for recipient in email_data.get('ccRecipients', [])])
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# Convert the email body from HTML to Markdown
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body_html = email_data.get('body', {}).get('content', '')
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if email_data.get('body', {}).get('contentType', '').lower() == 'html':
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markdown_converter = html2text.HTML2Text()
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markdown_converter.ignore_images = True
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markdown_converter.ignore_links = True
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body_markdown = markdown_converter.handle(body_html)
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else:
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body_markdown = body_html
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# Remove lines between any alphanumeric BannerStart and BannerEnd
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body_markdown = re.sub(r'\w+BannerStart.*?\w+BannerEnd', '', body_markdown, flags=re.DOTALL)
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msg.set_content(body_markdown)
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# Download attachments
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progress.console.print(f"Downloading attachments for message: {msg['Message-ID']}")
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for attachment in email_data.get('attachments', []):
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attachment_id = attachment.get('id')
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attachment_name = attachment.get('name', 'unknown')
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attachment_content = attachment.get('contentBytes')
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if attachment_content:
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attachment_path = os.path.join(attachments_dir, attachment_name)
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if not dry_run:
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with open(attachment_path, 'wb') as f:
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f.write(attachment_content.encode('utf-8'))
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msg.add_attachment(attachment_content.encode('utf-8'), filename=attachment_name)
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else:
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progress.console.print(f"[DRY-RUN] Would save attachment to {attachment_path}")
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# Determine the directory based on isRead
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target_dir = 'cur' if email_data.get('isRead', False) else 'new'
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email_filename = f"{msg['Message-ID']}.eml"
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email_filepath = os.path.join(maildir_path, target_dir, email_filename)
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# Check if the file already exists in any subfolder
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for root, _, files in os.walk(maildir_path):
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if email_filename in files:
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progress.console.print(f"Message {msg['Message-ID']} already exists in {root}. Skipping save.")
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return
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# Save the email to the Maildir
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if not dry_run:
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with open(email_filepath, 'w') as f:
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f.write(msg.as_string())
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progress.console.print(f"Saved message {msg['Message-ID']}")
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else:
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progress.console.print(f"[DRY-RUN] Would save message {msg['Message-ID']}")
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async def main():
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# Load cached timestamp if it exists
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if os.path.exists(cache_timestamp_file):
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with open(cache_timestamp_file, 'r') as f:
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cache_timestamp = json.load(f)
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else:
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cache_timestamp = {}
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# Save emails to Maildir
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maildir_path = os.getenv('MAILDIR_PATH', os.path.expanduser('~/Mail')) + "/corteva"
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attachments_dir = os.path.join(maildir_path, 'attachments')
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os.makedirs(attachments_dir, exist_ok=True)
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create_maildir_structure(maildir_path)
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# Read Azure app credentials from environment variables
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client_id = os.getenv('AZURE_CLIENT_ID')
|
|
tenant_id = os.getenv('AZURE_TENANT_ID')
|
|
|
|
if not client_id or not tenant_id:
|
|
raise ValueError("Please set the AZURE_CLIENT_ID and AZURE_TENANT_ID environment variables.")
|
|
|
|
# Token cache
|
|
cache = msal.SerializableTokenCache()
|
|
cache_file = 'token_cache.bin'
|
|
|
|
if os.path.exists(cache_file):
|
|
cache.deserialize(open(cache_file, 'r').read())
|
|
|
|
# Filepath for caching ETag
|
|
etag_cache_file = 'etag_cache.json'
|
|
# Load cached ETag if it exists
|
|
if os.path.exists(etag_cache_file):
|
|
with open(etag_cache_file, 'r') as f:
|
|
etag_cache = json.load(f)
|
|
else:
|
|
etag_cache = {}
|
|
|
|
# Authentication
|
|
authority = f'https://login.microsoftonline.com/{tenant_id}'
|
|
scopes = ['https://graph.microsoft.com/Calendars.Read', 'https://graph.microsoft.com/Mail.ReadWrite']
|
|
|
|
app = msal.PublicClientApplication(client_id, authority=authority, token_cache=cache)
|
|
accounts = app.get_accounts()
|
|
|
|
if accounts:
|
|
token_response = app.acquire_token_silent(scopes, account=accounts[0])
|
|
else:
|
|
flow = app.initiate_device_flow(scopes=scopes)
|
|
if 'user_code' not in flow:
|
|
raise Exception("Failed to create device flow")
|
|
print(Panel(flow['message'], border_style="magenta", padding=2, title="MSAL Login Flow Link"))
|
|
token_response = app.acquire_token_by_device_flow(flow)
|
|
|
|
if 'access_token' not in token_response:
|
|
raise Exception("Failed to acquire token")
|
|
|
|
# Save token cache
|
|
with open(cache_file, 'w') as f:
|
|
f.write(cache.serialize())
|
|
|
|
access_token = token_response['access_token']
|
|
headers = {'Authorization': f'Bearer {access_token}', 'Prefer': 'outlook.body-content-type="text"'}
|
|
accounts = app.get_accounts()
|
|
|
|
if not accounts:
|
|
raise Exception("No accounts found")
|
|
|
|
maildir_path = os.getenv('MAILDIR_PATH', os.path.expanduser('~/Mail')) + "/corteva"
|
|
|
|
progress = Progress(
|
|
SpinnerColumn(),
|
|
MofNCompleteColumn(),
|
|
*Progress.get_default_columns()
|
|
)
|
|
with progress:
|
|
task_fetch = progress.add_task("[green]Syncing Inbox...", total=0)
|
|
task_calendar = progress.add_task("[cyan]Fetching calendar...", total=0)
|
|
task_read = progress.add_task("[blue]Marking as read...", total=0)
|
|
task_archive = progress.add_task("[yellow]Archiving mail...", total=0)
|
|
task_delete = progress.add_task("[red]Deleting mail...", total=0)
|
|
|
|
await asyncio.gather(
|
|
synchronize_maildir_async(maildir_path, headers, progress, task_read),
|
|
archive_mail_async(maildir_path, headers, progress, task_archive),
|
|
delete_mail_async(maildir_path, headers, progress, task_delete),
|
|
fetch_mail_async(maildir_path, attachments_dir, headers, progress, task_fetch),
|
|
fetch_calendar_async(headers, progress, task_calendar)
|
|
)
|
|
|
|
if __name__ == "__main__":
|
|
asyncio.run(main())
|