237 lines
7.8 KiB
Rust
237 lines
7.8 KiB
Rust
/*
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* This file is part of mailpot
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*
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* Copyright 2020 - Manos Pitsidianakis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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use super::*;
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use diesel::{prelude::*, Connection};
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use melib::Envelope;
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use std::path::PathBuf;
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const DB_NAME: &str = "mpot.db";
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pub struct Database {
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connection: SqliteConnection,
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}
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impl Database {
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pub fn list_lists(&self) -> Result<Vec<MailingList>> {
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use schema::mailing_lists;
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let ret = mailing_lists::table.load(&self.connection)?;
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Ok(ret)
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}
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pub fn get_list(&self, pk: i32) -> Result<Option<MailingList>> {
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use schema::mailing_lists;
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let ret = mailing_lists::table
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.filter(mailing_lists::pk.eq(pk))
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.first(&self.connection)
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.optional()?;
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Ok(ret)
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}
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pub fn get_list_policy(&self, pk: i32) -> Result<Option<PostPolicy>> {
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use schema::post_policy;
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let ret = post_policy::table
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.filter(post_policy::list.eq(pk))
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.first(&self.connection)
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.optional()?;
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Ok(ret)
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}
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pub fn get_list_owners(&self, pk: i32) -> Result<Vec<ListOwner>> {
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use schema::list_owner;
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let ret = list_owner::table
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.filter(list_owner::list.eq(pk))
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.load(&self.connection)?;
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Ok(ret)
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}
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pub fn list_members(&self, pk: i32) -> Result<Vec<ListMembership>> {
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use schema::membership;
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let ret = membership::table
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.filter(membership::list.eq(pk))
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.load(&self.connection)?;
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Ok(ret)
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}
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pub fn add_member(&self, list_pk: i32, mut new_val: ListMembership) -> Result<()> {
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use schema::membership;
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new_val.list = list_pk;
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diesel::insert_into(membership::table)
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.values(&new_val)
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.execute(&self.connection)?;
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Ok(())
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}
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pub fn remove_member(&self, list_pk: i32, address: &str) -> Result<()> {
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use schema::membership;
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diesel::delete(
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membership::table
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.filter(membership::columns::list.eq(list_pk))
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.filter(membership::columns::address.eq(address)),
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)
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.execute(&self.connection)?;
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Ok(())
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}
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pub fn create_list(&self, new_val: MailingList) -> Result<()> {
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use schema::mailing_lists;
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diesel::insert_into(mailing_lists::table)
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.values(&new_val)
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.execute(&self.connection)?;
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Ok(())
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}
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pub fn db_path() -> Result<PathBuf> {
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let name = DB_NAME;
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let data_dir = xdg::BaseDirectories::with_prefix("mailpot")?;
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Ok(data_dir.place_data_file(name)?)
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}
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pub fn open_db(db_path: PathBuf) -> Result<Self> {
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if !db_path.exists() {
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return Err("Database doesn't exist".into());
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}
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Ok(Database {
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connection: SqliteConnection::establish(&db_path.to_str().unwrap())?,
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})
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}
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pub fn open_or_create_db() -> Result<Self> {
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let db_path = Self::db_path()?;
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let mut set_mode = false;
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if !db_path.exists() {
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println!("Creating {} database in {}", DB_NAME, db_path.display());
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set_mode = true;
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}
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let conn = SqliteConnection::establish(&db_path.to_str().unwrap())?;
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if set_mode {
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use std::os::unix::fs::PermissionsExt;
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let file = std::fs::File::open(&db_path)?;
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let metadata = file.metadata()?;
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let mut permissions = metadata.permissions();
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permissions.set_mode(0o600); // Read/write for owner only.
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file.set_permissions(permissions)?;
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}
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Ok(Database { connection: conn })
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}
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pub fn get_list_filters(&self, _list: &MailingList) -> Vec<Box<dyn crate::post::PostFilter>> {
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use crate::post::*;
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vec![
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Box::new(FixCRLF),
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Box::new(PostRightsCheck),
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Box::new(AddListHeaders),
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Box::new(FinalizeRecipients),
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]
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}
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pub fn post(&self, env: Envelope, raw: &[u8]) -> Result<()> {
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let mut lists = self.list_lists()?;
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let tos = env
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.to()
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.iter()
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.map(|addr| addr.get_email())
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.collect::<Vec<String>>();
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if tos.is_empty() {
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return Err("Envelope To: field is empty!".into());
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}
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if env.from().is_empty() {
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return Err("Envelope From: field is empty!".into());
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}
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lists.retain(|list| tos.iter().any(|a| a == &list.address));
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if lists.is_empty() {
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return Err("Envelope To: field doesn't contain any known lists!".into());
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}
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let mut configuration = crate::config::Configuration::new();
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crate::config::CONFIG.with(|f| {
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configuration = f.borrow().clone();
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});
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use crate::post::{Post, PostAction};
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for mut list in lists {
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let filters = self.get_list_filters(&list);
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let memberships = self.list_members(list.pk)?;
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let mut post = Post {
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policy: self.get_list_policy(list.pk)?,
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list_owners: self.get_list_owners(list.pk)?,
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list: &mut list,
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from: env.from()[0].clone(),
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memberships: &memberships,
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bytes: raw.to_vec(),
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to: env.to().to_vec(),
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action: PostAction::Hold,
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};
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let result = filters
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.into_iter()
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.fold(Ok(&mut post), |p, f| p.and_then(|p| f.feed(p)));
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eprintln!("result {:?}", result);
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let Post { bytes, action, .. } = post;
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eprintln!("send_mail {:?}", &configuration.send_mail);
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match configuration.send_mail {
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crate::config::SendMail::Smtp(ref smtp_conf) => {
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let smtp_conf = smtp_conf.clone();
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use melib::futures;
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use melib::smol;
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use melib::smtp::*;
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std::thread::spawn(|| smol::run(futures::future::pending::<()>()));
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let mut conn = futures::executor::block_on(SmtpConnection::new_connection(
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smtp_conf.clone(),
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))?;
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match action {
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PostAction::Accept {
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recipients,
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digests: _digests,
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} => {
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futures::executor::block_on(conn.mail_transaction(
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&String::from_utf8_lossy(&bytes),
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Some(&recipients),
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))?;
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/* - Save digest metadata in database */
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}
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PostAction::Reject { reason: _ } => {
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/* - Notify submitter */
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//futures::executor::block_on(conn.mail_transaction(&post.bytes, b)).unwrap();
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}
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PostAction::Defer { reason: _ } => {
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/* - Notify submitter
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* - Save in database */
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}
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PostAction::Hold => { /* - Save in database */ }
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}
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}
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_ => {}
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}
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}
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Ok(())
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}
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}
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