109 lines
3.6 KiB
Python
Executable File
109 lines
3.6 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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Send a reply email via SMTP (e.g. Proton Mail Bridge).
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Usage: ./gitea-issues/mail-send-reply.sh --to addr@example.com --subject "..." --body "..." [--in-reply-to "<msg-id>" [--references "<refs>"]]
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Or: echo "body" | ./gitea-issues/mail-send-reply.sh --to addr@example.com --subject "..." [--in-reply-to "<msg-id>"]
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"""
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from __future__ import annotations
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import argparse
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import os
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import smtplib
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import sys
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from email.mime.text import MIMEText
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from pathlib import Path
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sys.path.insert(0, str(Path(__file__).resolve().parent))
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from mail_common import load_smtp_config, repo_root, imap_ssl_context
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DEFAULT_SIGNATURE = """--
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Support IA du projet Lecoffre.io
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ai.support.lecoffreio@4nkweb.com"""
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# Patterns that indicate the body contains a citation of the received message (forbidden).
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CITATION_PATTERNS = (
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"From:",
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"Message-ID:",
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"Message-ID :",
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" wrote:",
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" a écrit",
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)
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CITATION_LINE_START = (">",) # Quoted line start
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def body_contains_citation(body: str) -> bool:
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"""Return True if body looks like it contains the received message (citation)."""
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if not body or not body.strip():
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return False
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lines = body.strip().splitlines()
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for line in lines:
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stripped = line.strip()
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if not stripped:
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continue
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for pat in CITATION_PATTERNS:
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if pat in line:
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return True
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for start in CITATION_LINE_START:
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if stripped.startswith(start):
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return True
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return False
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def get_reply_signature() -> str:
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sig = os.environ.get("MAIL_REPLY_SIGNATURE", "").strip()
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if sig:
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return "\n\n" + sig.replace("\\n", "\n")
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return "\n\n" + DEFAULT_SIGNATURE
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def main() -> None:
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ap = argparse.ArgumentParser(description="Send reply email via Bridge SMTP")
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ap.add_argument("--to", required=True, help="To address")
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ap.add_argument("--subject", required=True, help="Subject")
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ap.add_argument("--body", default="", help="Body (or use stdin)")
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ap.add_argument("--in-reply-to", default="", help="Message-ID of the message we reply to")
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ap.add_argument("--references", default="", help="References header for threading")
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args = ap.parse_args()
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cfg = load_smtp_config()
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if not cfg["user"] or not cfg["password"]:
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root = repo_root()
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env_path = root / ".secrets" / "gitea-issues" / "imap-bridge.env"
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print("[gitea-issues] ERROR: SMTP_USER and SMTP_PASSWORD required.", file=sys.stderr)
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print(f"[gitea-issues] Set env or create {env_path}", file=sys.stderr)
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sys.exit(1)
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body = args.body
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if not body and not sys.stdin.isatty():
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body = sys.stdin.read()
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body = body.rstrip()
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if body_contains_citation(body):
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print(
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"[gitea-issues] ERROR: Body must not contain the received message (no citation, no From:, Message-ID, wrote:, etc.). Send only your reply text.",
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file=sys.stderr,
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)
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sys.exit(1)
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body = (body + get_reply_signature()).strip()
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msg = MIMEText(body, "plain", "utf-8")
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msg["Subject"] = args.subject
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msg["From"] = cfg["user"]
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msg["To"] = args.to
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if args.in_reply_to:
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msg["In-Reply-To"] = args.in_reply_to
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if args.references:
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msg["References"] = args.references
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with smtplib.SMTP(cfg["host"], int(cfg["port"])) as smtp:
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if cfg["use_starttls"]:
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smtp.starttls(context=imap_ssl_context(cfg.get("ssl_verify", True)))
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smtp.login(cfg["user"], cfg["password"])
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smtp.sendmail(cfg["user"], [args.to], msg.as_string())
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print("[gitea-issues] Reply sent.")
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if __name__ == "__main__":
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main()
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