705 lines
25 KiB
Rust
705 lines
25 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 melib::Envelope;
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use models::changesets::*;
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use rusqlite::Connection as DbConnection;
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use rusqlite::OptionalExtension;
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use std::io::Write;
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use std::path::PathBuf;
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use std::process::{Command, Stdio};
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const DB_NAME: &str = "mpot.db";
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pub struct Database {
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pub connection: DbConnection,
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}
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impl Database {
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pub fn list_lists(&self) -> Result<Vec<DbVal<MailingList>>> {
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let mut stmt = self.connection.prepare("SELECT * FROM mailing_lists;")?;
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let list_iter = stmt.query_map([], |row| {
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let pk = row.get("pk")?;
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Ok(DbVal(
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MailingList {
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pk,
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name: row.get("name")?,
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id: row.get("id")?,
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address: row.get("address")?,
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description: row.get("description")?,
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archive_url: row.get("archive_url")?,
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},
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pk,
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))
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})?;
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let mut ret = vec![];
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for list in list_iter {
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let list = list?;
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ret.push(list);
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}
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Ok(ret)
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}
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pub fn get_list(&self, pk: i64) -> Result<Option<DbVal<MailingList>>> {
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let mut stmt = self
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.connection
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.prepare("SELECT * FROM mailing_lists WHERE pk = ?;")?;
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let ret = stmt
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.query_row([&pk], |row| {
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let pk = row.get("pk")?;
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Ok(DbVal(
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MailingList {
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pk,
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name: row.get("name")?,
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id: row.get("id")?,
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address: row.get("address")?,
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description: row.get("description")?,
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archive_url: row.get("archive_url")?,
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},
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pk,
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))
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})
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.optional()?;
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Ok(ret)
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}
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pub fn create_list(&self, new_val: MailingList) -> Result<DbVal<MailingList>> {
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let mut stmt = self
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.connection
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.prepare("INSERT INTO mailing_lists(name, id, address, description, archive_url) VALUES(?, ?, ?, ?, ?) RETURNING *;")?;
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let ret = stmt.query_row(
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rusqlite::params![
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&new_val.name,
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&new_val.id,
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&new_val.address,
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new_val.description.as_ref(),
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new_val.archive_url.as_ref(),
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],
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|row| {
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let pk = row.get("pk")?;
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Ok(DbVal(
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MailingList {
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pk,
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name: row.get("name")?,
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id: row.get("id")?,
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address: row.get("address")?,
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description: row.get("description")?,
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archive_url: row.get("archive_url")?,
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},
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pk,
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))
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},
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)?;
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trace!("create_list {:?}.", &ret);
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Ok(ret)
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}
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pub fn set_list_policy(&self, list_pk: i64, policy: PostPolicy) -> Result<DbVal<PostPolicy>> {
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let mut stmt = self.connection.prepare("INSERT OR REPLACE INTO post_policy(list, announce_only, subscriber_only, approval_needed) VALUES (?, ?, ?, ?) RETURNING *;")?;
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let ret = stmt.query_row(
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rusqlite::params![
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&list_pk,
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&policy.announce_only,
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&policy.subscriber_only,
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&policy.approval_needed,
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],
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|row| {
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let pk = row.get("pk")?;
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Ok(DbVal(
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PostPolicy {
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pk,
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list: row.get("list")?,
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announce_only: row.get("announce_only")?,
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subscriber_only: row.get("subscriber_only")?,
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approval_needed: row.get("approval_needed")?,
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},
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pk,
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))
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},
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)?;
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trace!("set_list_policy {:?}.", &ret);
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Ok(ret)
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}
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pub fn list_posts(
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&self,
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list_pk: i64,
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date_range: Option<(String, String)>,
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) -> Result<Vec<DbVal<Post>>> {
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let mut stmt = self
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.connection
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.prepare("SELECT * FROM post WHERE list = ?;")?;
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let iter = stmt.query_map(rusqlite::params![&list_pk,], |row| {
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let pk = row.get("pk")?;
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Ok(DbVal(
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Post {
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pk,
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list: row.get("list")?,
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address: row.get("address")?,
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message_id: row.get("message_id")?,
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message: row.get("message")?,
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timestamp: row.get("timestamp")?,
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datetime: row.get("datetime")?,
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},
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pk,
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))
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})?;
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let mut ret = vec![];
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for post in iter {
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let post = post?;
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ret.push(post);
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}
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trace!("list_posts {:?}.", &ret);
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Ok(ret)
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}
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pub fn update_list(&self, _change_set: MailingListChangeset) -> Result<()> {
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/*
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diesel::update(mailing_lists::table)
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.set(&set)
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.execute(&self.connection)?;
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*/
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Ok(())
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}
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pub fn get_list_policy(&self, pk: i64) -> Result<Option<DbVal<PostPolicy>>> {
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let mut stmt = self
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.connection
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.prepare("SELECT * FROM post_policy WHERE list = ?;")?;
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let ret = stmt
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.query_row([&pk], |row| {
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let pk = row.get("pk")?;
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Ok(DbVal(
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PostPolicy {
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pk,
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list: row.get("list")?,
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announce_only: row.get("announce_only")?,
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subscriber_only: row.get("subscriber_only")?,
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approval_needed: row.get("approval_needed")?,
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},
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pk,
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))
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})
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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: i64) -> Result<Vec<DbVal<ListOwner>>> {
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let mut stmt = self
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.connection
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.prepare("SELECT * FROM list_owner WHERE list = ?;")?;
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let list_iter = stmt.query_map([&pk], |row| {
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let pk = row.get("pk")?;
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Ok(DbVal(
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ListOwner {
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pk,
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list: row.get("list")?,
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address: row.get("address")?,
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name: row.get("name")?,
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},
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pk,
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))
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})?;
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let mut ret = vec![];
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for list in list_iter {
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let list = list?;
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ret.push(list);
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}
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Ok(ret)
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}
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pub fn list_members(&self, pk: i64) -> Result<Vec<DbVal<ListMembership>>> {
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let mut stmt = self
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.connection
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.prepare("SELECT * FROM membership WHERE list = ?;")?;
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let list_iter = stmt.query_map([&pk], |row| {
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let pk = row.get("pk")?;
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Ok(DbVal(
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ListMembership {
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pk: row.get("pk")?,
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list: row.get("list")?,
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address: row.get("address")?,
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name: row.get("name")?,
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digest: row.get("digest")?,
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hide_address: row.get("hide_address")?,
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receive_duplicates: row.get("receive_duplicates")?,
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receive_own_posts: row.get("receive_own_posts")?,
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receive_confirmation: row.get("receive_confirmation")?,
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enabled: row.get("enabled")?,
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},
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pk,
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))
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})?;
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let mut ret = vec![];
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for list in list_iter {
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let list = list?;
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ret.push(list);
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}
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Ok(ret)
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}
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pub fn add_member(
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&self,
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list_pk: i64,
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mut new_val: ListMembership,
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) -> Result<DbVal<ListMembership>> {
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new_val.list = list_pk;
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let mut stmt = self
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.connection
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.prepare("INSERT INTO membership(list, address, name, enabled, digest, hide_address, receive_duplicates, receive_own_posts, receive_confirmation) VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?) RETURNING *;")?;
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let ret = stmt.query_row(
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rusqlite::params![
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&new_val.list,
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&new_val.address,
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&new_val.name,
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&new_val.enabled,
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&new_val.digest,
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&new_val.hide_address,
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&new_val.receive_duplicates,
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&new_val.receive_own_posts,
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&new_val.receive_confirmation
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],
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|row| {
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let pk = row.get("pk")?;
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Ok(DbVal(
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ListMembership {
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pk,
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list: row.get("list")?,
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address: row.get("address")?,
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name: row.get("name")?,
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digest: row.get("digest")?,
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hide_address: row.get("hide_address")?,
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receive_duplicates: row.get("receive_duplicates")?,
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receive_own_posts: row.get("receive_own_posts")?,
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receive_confirmation: row.get("receive_confirmation")?,
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enabled: row.get("enabled")?,
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},
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pk,
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))
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},
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)?;
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trace!("add_member {:?}.", &ret);
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Ok(ret)
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}
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pub fn add_candidate_member(&self, list_pk: i64, mut new_val: ListMembership) -> Result<i64> {
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new_val.list = list_pk;
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let mut stmt = self
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.connection
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.prepare("INSERT INTO candidate_membership(list, address, name, accepted) VALUES(?, ?, ?, ?) RETURNING pk;")?;
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let ret = stmt.query_row(
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rusqlite::params![&new_val.list, &new_val.address, &new_val.name, &false,],
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|row| {
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let pk: i64 = row.get("pk")?;
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Ok(pk)
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},
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)?;
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trace!("add_candidate_member {:?}.", &ret);
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Ok(ret)
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}
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pub fn accept_candidate_member(&mut self, pk: i64) -> Result<DbVal<ListMembership>> {
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let tx = self.connection.transaction()?;
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let mut stmt = tx
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.prepare("INSERT INTO membership(list, address, name, enabled, digest, hide_address, receive_duplicates, receive_own_posts, receive_confirmation) FROM (SELECT list, address, name FROM candidate_membership WHERE pk = ?) RETURNING *;")?;
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let ret = stmt.query_row(rusqlite::params![&pk], |row| {
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let pk = row.get("pk")?;
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Ok(DbVal(
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ListMembership {
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pk,
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list: row.get("list")?,
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address: row.get("address")?,
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name: row.get("name")?,
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digest: row.get("digest")?,
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hide_address: row.get("hide_address")?,
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receive_duplicates: row.get("receive_duplicates")?,
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receive_own_posts: row.get("receive_own_posts")?,
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receive_confirmation: row.get("receive_confirmation")?,
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enabled: row.get("enabled")?,
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},
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pk,
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))
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})?;
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drop(stmt);
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tx.execute(
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"UPDATE candidate_membership SET accepted = ? WHERE pk = ?;",
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[&pk],
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)?;
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tx.commit()?;
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trace!("accept_candidate_member {:?}.", &ret);
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Ok(ret)
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}
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pub fn remove_member(&self, list_pk: i64, address: &str) -> Result<()> {
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self.connection.execute(
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"DELETE FROM membership WHERE list_pk = ? AND address = ?;",
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rusqlite::params![&list_pk, &address],
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)?;
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Ok(())
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}
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pub fn update_member(&self, _change_set: ListMembershipChangeset) -> Result<()> {
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/*
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diesel::update(membership::table)
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.set(&set)
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.execute(&self.connection)?;
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*/
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Ok(())
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}
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pub fn db_path() -> Result<PathBuf> {
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let mut config_path = None;
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crate::config::CONFIG.with(|c| {
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config_path = c.borrow().db_path.clone();
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});
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if let Some(db_path) = config_path {
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return Ok(db_path);
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}
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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: DbConnection::open(&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 create = false;
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if !db_path.exists() {
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info!("Creating {} database in {}", DB_NAME, db_path.display());
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create = true;
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}
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if create {
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use std::os::unix::fs::PermissionsExt;
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let mut child = Command::new("sqlite3")
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.arg(&db_path)
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.stdin(Stdio::piped())
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.spawn()?;
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let mut stdin = child.stdin.take().unwrap();
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std::thread::spawn(move || {
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stdin
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.write_all(include_bytes!("./schema.sql"))
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.expect("failed to write to stdin");
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});
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let output = child.wait_with_output()?;
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if !output.status.success() {
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return Err(format!("Could not initialize sqlite3 database at {}: sqlite3 returned exit code {} and stderr {}", db_path.display(), String::from_utf8_lossy(&output.stderr), output.status.code().unwrap_or_default()).into());
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}
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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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let conn = DbConnection::open(&db_path.to_str().unwrap())?;
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Ok(Database { connection: conn })
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}
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pub fn get_list_filters(
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&self,
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_list: &DbVal<MailingList>,
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) -> Vec<Box<dyn crate::mail::message_filters::PostFilter>> {
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use crate::mail::message_filters::*;
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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 insert_post(&self, list_pk: i64, message: &[u8], env: &Envelope) -> Result<i64> {
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let address = env.from()[0].get_email();
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let message_id = env.message_id_display();
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let mut stmt = self.connection.prepare(
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"INSERT INTO post(list, address, message_id, message, datetime, timestamp) VALUES(?, ?, ?, ?, ?, ?) RETURNING pk;",
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)?;
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let pk = stmt.query_row(
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rusqlite::params![
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&list_pk,
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&address,
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&message_id,
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&message,
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&env.date,
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&env.timestamp
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],
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|row| {
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let pk: i64 = row.get("pk")?;
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Ok(pk)
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},
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)?;
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trace!(
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"insert_post list_pk {}, from {:?} message_id {:?} post_pk {}.",
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list_pk,
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address,
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message_id,
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pk
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);
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Ok(pk)
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}
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pub fn post(&self, env: &Envelope, raw: &[u8], _dry_run: bool) -> Result<()> {
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trace!("Received envelope to post: {:#?}", &env);
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let tos = env.to().to_vec();
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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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let mut lists = self.list_lists()?;
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for t in &tos {
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if let Some((addr, subaddr)) = t.subaddress("+") {
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lists.retain(|list| {
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if !addr.contains_address(&list.list_address()) {
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return true;
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}
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if let Err(err) = self.request(
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list,
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match subaddr.as_str() {
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"subscribe" | "request" if env.subject().trim() == "subscribe" => {
|
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ListRequest::Subscribe
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}
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"unsubscribe" | "request" if env.subject().trim() == "unsubscribe" => {
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ListRequest::Unsubscribe
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}
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"request" => ListRequest::Other(env.subject().trim().to_string()),
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_ => {
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trace!(
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"unknown action = {} for addresses {:?} in list {}",
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subaddr,
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env.from(),
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list
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);
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ListRequest::Other(subaddr.trim().to_string())
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}
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},
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env,
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raw,
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) {
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info!("Processing request returned error: {}", err);
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}
|
|
false
|
|
});
|
|
}
|
|
}
|
|
|
|
lists.retain(|list| {
|
|
trace!(
|
|
"Is post related to list {}? {}",
|
|
&list,
|
|
tos.iter().any(|a| a.contains_address(&list.list_address()))
|
|
);
|
|
|
|
tos.iter().any(|a| a.contains_address(&list.list_address()))
|
|
});
|
|
if lists.is_empty() {
|
|
return Ok(());
|
|
}
|
|
|
|
let mut configuration = crate::config::Configuration::new();
|
|
crate::config::CONFIG.with(|f| {
|
|
configuration = f.borrow().clone();
|
|
});
|
|
trace!("Configuration is {:#?}", &configuration);
|
|
use crate::mail::{ListContext, Post, PostAction};
|
|
for mut list in lists {
|
|
trace!("Examining list {}", list.list_id());
|
|
let filters = self.get_list_filters(&list);
|
|
let memberships = self.list_members(list.pk)?;
|
|
trace!("List members {:#?}", &memberships);
|
|
let mut list_ctx = ListContext {
|
|
policy: self.get_list_policy(list.pk)?,
|
|
list_owners: self.get_list_owners(list.pk)?,
|
|
list: &mut list,
|
|
memberships: &memberships,
|
|
scheduled_jobs: vec![],
|
|
};
|
|
let mut post = Post {
|
|
from: env.from()[0].clone(),
|
|
bytes: raw.to_vec(),
|
|
to: env.to().to_vec(),
|
|
action: PostAction::Hold,
|
|
};
|
|
let result = filters
|
|
.into_iter()
|
|
.fold(Ok((&mut post, &mut list_ctx)), |p, f| {
|
|
p.and_then(|(p, c)| f.feed(p, c))
|
|
});
|
|
trace!("result {:#?}", result);
|
|
|
|
let Post { bytes, action, .. } = post;
|
|
match action {
|
|
PostAction::Accept => {
|
|
let _post_pk = self.insert_post(list_ctx.list.pk, raw, env)?;
|
|
for job in list_ctx.scheduled_jobs.iter() {
|
|
if let crate::mail::MailJob::Send { recipients } = job {
|
|
if !recipients.is_empty() {
|
|
trace!("recipients: {:?}", &recipients);
|
|
|
|
match &configuration.send_mail {
|
|
crate::config::SendMail::Smtp(ref smtp_conf) => {
|
|
let smtp_conf = smtp_conf.clone();
|
|
use melib::futures;
|
|
use melib::smol;
|
|
use melib::smtp::*;
|
|
let mut conn = smol::future::block_on(smol::spawn(
|
|
SmtpConnection::new_connection(smtp_conf.clone()),
|
|
))?;
|
|
futures::executor::block_on(conn.mail_transaction(
|
|
&String::from_utf8_lossy(&bytes),
|
|
Some(recipients),
|
|
))?;
|
|
}
|
|
_ => {}
|
|
}
|
|
} else {
|
|
trace!("list has no recipients");
|
|
}
|
|
}
|
|
}
|
|
/* - FIXME Save digest metadata in database */
|
|
}
|
|
PostAction::Reject { reason } => {
|
|
/* FIXME - Notify submitter */
|
|
trace!("PostAction::Reject {{ reason: {} }}", reason);
|
|
//futures::executor::block_on(conn.mail_transaction(&post.bytes, b)).unwrap();
|
|
return Err(crate::ErrorKind::PostRejected(reason).into());
|
|
}
|
|
PostAction::Defer { reason } => {
|
|
trace!("PostAction::Defer {{ reason: {} }}", reason);
|
|
/* - FIXME Notify submitter
|
|
* - FIXME Save in database */
|
|
}
|
|
PostAction::Hold => {
|
|
trace!("PostAction::Hold");
|
|
/* FIXME - Save in database */
|
|
}
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
pub fn request(
|
|
&self,
|
|
list: &DbVal<MailingList>,
|
|
request: ListRequest,
|
|
env: &Envelope,
|
|
_raw: &[u8],
|
|
) -> Result<()> {
|
|
match request {
|
|
ListRequest::Subscribe => {
|
|
trace!(
|
|
"subscribe action for addresses {:?} in list {}",
|
|
env.from(),
|
|
list
|
|
);
|
|
|
|
let list_policy = self.get_list_policy(list.pk)?;
|
|
let approval_needed = list_policy
|
|
.as_ref()
|
|
.map(|p| p.approval_needed)
|
|
.unwrap_or(false);
|
|
for f in env.from() {
|
|
let membership = ListMembership {
|
|
pk: 0,
|
|
list: list.pk,
|
|
address: f.get_email(),
|
|
name: f.get_display_name(),
|
|
digest: false,
|
|
hide_address: false,
|
|
receive_duplicates: true,
|
|
receive_own_posts: false,
|
|
receive_confirmation: true,
|
|
enabled: !approval_needed,
|
|
};
|
|
if approval_needed {
|
|
match self.add_candidate_member(list.pk, membership) {
|
|
Ok(_) => {}
|
|
Err(_err) => {}
|
|
}
|
|
//FIXME: send notification to list-owner
|
|
} else if let Err(_err) = self.add_member(list.pk, membership) {
|
|
//FIXME: send failure notice to f
|
|
} else {
|
|
//FIXME: send success notice
|
|
}
|
|
}
|
|
}
|
|
ListRequest::Unsubscribe => {
|
|
trace!(
|
|
"unsubscribe action for addresses {:?} in list {}",
|
|
env.from(),
|
|
list
|
|
);
|
|
for f in env.from() {
|
|
if let Err(_err) = self.remove_member(list.pk, &f.get_email()) {
|
|
//FIXME: send failure notice to f
|
|
} else {
|
|
//FIXME: send success notice to f
|
|
}
|
|
}
|
|
}
|
|
ListRequest::Other(ref req) if req == "owner" => {
|
|
trace!(
|
|
"list-owner mail action for addresses {:?} in list {}",
|
|
env.from(),
|
|
list
|
|
);
|
|
//FIXME: mail to list-owner
|
|
}
|
|
ListRequest::Other(ref req) => {
|
|
trace!(
|
|
"unknown request action {} for addresses {:?} in list {}",
|
|
req,
|
|
env.from(),
|
|
list
|
|
);
|
|
}
|
|
}
|
|
Ok(())
|
|
}
|
|
}
|