775 lines
23 KiB
Rust
775 lines
23 KiB
Rust
/*
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* meli - configuration module.
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*
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* Copyright 2017 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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extern crate bincode;
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extern crate serde;
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extern crate toml;
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extern crate xdg;
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pub mod composing;
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pub mod notifications;
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pub mod pager;
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pub mod pgp;
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pub mod tags;
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#[macro_use]
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pub mod shortcuts;
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mod listing;
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pub mod terminal;
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mod themes;
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pub use themes::*;
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pub mod accounts;
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pub use self::accounts::Account;
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pub use self::composing::*;
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pub use self::pgp::*;
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pub use self::shortcuts::*;
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pub use self::tags::*;
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use self::default_vals::*;
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use self::listing::ListingSettings;
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use self::notifications::NotificationsSettings;
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use self::terminal::TerminalSettings;
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use crate::pager::PagerSettings;
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use crate::plugins::Plugin;
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use melib::backends::SpecialUsageMailbox;
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use melib::conf::{AccountSettings, FolderConf, ToggleFlag};
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use melib::error::*;
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use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
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use std::collections::HashMap;
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use std::env;
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use std::fs::OpenOptions;
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use std::io::{self, BufRead, Write};
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use std::os::unix::fs::PermissionsExt;
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use std::path::{Path, PathBuf};
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#[macro_export]
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macro_rules! split_command {
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($cmd:expr) => {{
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$cmd.split_whitespace().collect::<Vec<&str>>()
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}};
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}
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#[derive(Default, Debug, Clone, Serialize, Deserialize)]
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pub struct MailUIConf {
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pub pager: Option<PagerSettings>,
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pub listing: Option<ListingSettings>,
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pub notifications: Option<NotificationsSettings>,
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pub shortcuts: Option<Shortcuts>,
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pub composing: Option<ComposingSettings>,
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pub identity: Option<String>,
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pub index_style: Option<IndexStyle>,
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pub tags: Option<TagsSettings>,
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pub theme: Option<Theme>,
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}
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#[serde(default)]
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#[derive(Debug, Default, Clone, Serialize, Deserialize)]
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pub struct FileFolderConf {
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#[serde(flatten)]
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pub conf_override: MailUIConf,
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#[serde(flatten)]
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pub folder_conf: FolderConf,
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}
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impl FileFolderConf {
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pub fn conf_override(&self) -> &MailUIConf {
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&self.conf_override
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}
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pub fn folder_conf(&self) -> &FolderConf {
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&self.folder_conf
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}
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}
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use crate::conf::deserializers::extra_settings;
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#[derive(Debug, Clone, Default, Serialize, Deserialize)]
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pub struct FileAccount {
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root_folder: String,
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format: String,
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identity: String,
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#[serde(default = "none")]
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display_name: Option<String>,
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index_style: IndexStyle,
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#[serde(default = "false_val")]
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read_only: bool,
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subscribed_folders: Vec<String>,
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#[serde(default)]
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folders: HashMap<String, FileFolderConf>,
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#[serde(default)]
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cache_type: CacheType,
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#[serde(default)]
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pub manual_refresh: bool,
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#[serde(default = "none")]
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pub refresh_command: Option<String>,
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#[serde(flatten)]
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#[serde(deserialize_with = "extra_settings")]
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pub extra: HashMap<String, String>, /* use custom deserializer to convert any given value (eg bool, number, etc) to string */
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}
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impl From<FileAccount> for AccountConf {
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fn from(x: FileAccount) -> Self {
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let format = x.format.to_lowercase();
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let root_folder = x.root_folder.clone();
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let identity = x.identity.clone();
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let display_name = x.display_name.clone();
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let folders = x
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.folders
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.iter()
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.map(|(k, v)| (k.clone(), v.folder_conf.clone()))
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.collect();
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let mut acc = AccountSettings {
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name: String::new(),
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root_folder,
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format,
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identity,
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read_only: x.read_only,
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display_name,
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subscribed_folders: x.subscribed_folders.clone(),
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folders,
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manual_refresh: x.manual_refresh,
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extra: x.extra.clone(),
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};
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let root_path = PathBuf::from(acc.root_folder.as_str());
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let root_tmp = root_path
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.components()
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.last()
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.and_then(|c| c.as_os_str().to_str())
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.unwrap_or("")
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.to_string();
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if !acc.subscribed_folders.contains(&root_tmp) {
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acc.subscribed_folders.push(root_tmp);
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}
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let mut folder_confs = x.folders.clone();
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for s in &x.subscribed_folders {
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if !folder_confs.contains_key(s) {
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use text_processing::GlobMatch;
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if s.is_glob() {
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continue;
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}
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folder_confs.insert(
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s.to_string(),
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FileFolderConf {
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folder_conf: FolderConf {
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subscribe: ToggleFlag::True,
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..FolderConf::default()
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},
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..FileFolderConf::default()
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},
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);
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} else {
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if !folder_confs[s].folder_conf().subscribe.is_unset() {
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continue;
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}
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folder_confs.get_mut(s).unwrap().folder_conf.subscribe = ToggleFlag::True;
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}
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if folder_confs[s].folder_conf().usage.is_none() {
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let name = s
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.split(if s.contains('/') { '/' } else { '.' })
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.last()
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.unwrap_or("");
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folder_confs.get_mut(s).unwrap().folder_conf.usage =
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SpecialUsageMailbox::detect_usage(name);
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}
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if folder_confs[s].folder_conf().ignore.is_unset() {
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use SpecialUsageMailbox::*;
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if [Junk, Sent, Trash]
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.contains(&folder_confs[s].folder_conf().usage.as_ref().unwrap())
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{
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folder_confs.get_mut(s).unwrap().folder_conf.ignore =
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ToggleFlag::InternalVal(true);
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}
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}
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}
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AccountConf {
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account: acc,
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conf: x,
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folder_confs,
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}
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}
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}
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impl FileAccount {
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pub fn folders(&self) -> &HashMap<String, FileFolderConf> {
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&self.folders
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}
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pub fn folder(&self) -> &str {
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&self.root_folder
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}
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pub fn index_style(&self) -> IndexStyle {
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self.index_style
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}
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pub fn cache_type(&self) -> &CacheType {
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&self.cache_type
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}
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}
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#[derive(Debug, Clone, Default, Serialize, Deserialize)]
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pub struct FileSettings {
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pub accounts: HashMap<String, FileAccount>,
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#[serde(default)]
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pub pager: PagerSettings,
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#[serde(default)]
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pub listing: ListingSettings,
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#[serde(default)]
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pub notifications: NotificationsSettings,
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#[serde(default)]
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pub shortcuts: Shortcuts,
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pub composing: ComposingSettings,
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#[serde(default)]
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pub tags: TagsSettings,
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#[serde(default)]
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pub pgp: PGPSettings,
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#[serde(default)]
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pub terminal: TerminalSettings,
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#[serde(default)]
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pub plugins: HashMap<String, Plugin>,
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}
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#[derive(Debug, Clone, Default)]
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pub struct AccountConf {
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pub(crate) account: AccountSettings,
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pub(crate) conf: FileAccount,
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pub(crate) folder_confs: HashMap<String, FileFolderConf>,
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}
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impl AccountConf {
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pub fn account(&self) -> &AccountSettings {
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&self.account
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}
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pub fn conf(&self) -> &FileAccount {
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&self.conf
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}
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pub fn conf_mut(&mut self) -> &mut FileAccount {
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&mut self.conf
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}
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}
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#[derive(Debug, Clone, Default)]
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pub struct Settings {
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pub accounts: HashMap<String, AccountConf>,
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pub pager: PagerSettings,
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pub listing: ListingSettings,
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pub notifications: NotificationsSettings,
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pub shortcuts: Shortcuts,
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pub tags: TagsSettings,
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pub composing: ComposingSettings,
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pub pgp: PGPSettings,
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pub terminal: TerminalSettings,
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pub plugins: HashMap<String, Plugin>,
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}
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impl FileSettings {
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pub fn new() -> Result<FileSettings> {
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let xdg_dirs = xdg::BaseDirectories::with_prefix("meli");
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let config_path = match env::var("MELI_CONFIG") {
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Ok(path) => PathBuf::from(path),
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Err(_) => xdg_dirs
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.as_ref()
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.unwrap()
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.place_config_file("config.toml")
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.expect("cannot create configuration directory"),
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};
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if !config_path.exists() {
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println!(
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"No configuration found. Would you like to generate one in {}? [Y/n]",
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config_path.display()
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);
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let mut buffer = String::new();
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let stdin = io::stdin();
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let mut handle = stdin.lock();
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loop {
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buffer.clear();
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handle
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.read_line(&mut buffer)
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.expect("Could not read from stdin.");
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match buffer.trim() {
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"Y" | "y" | "yes" | "YES" | "Yes" => {
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create_config_file(&config_path)?;
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return Err(MeliError::new(
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"Edit the sample configuration and relaunch meli.",
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));
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}
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"n" | "N" | "no" | "No" | "NO" => {
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return Err(MeliError::new("No configuration file found."));
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}
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_ => {
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println!(
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"No configuration found. Would you like to generate one in {}? [Y/n]",
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config_path.display()
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);
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}
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}
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}
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}
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let path = config_path
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.to_str()
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.expect("Configuration file path was not valid UTF-8");
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FileSettings::validate(path)
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}
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pub fn validate(path: &str) -> Result<Self> {
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let s = pp::pp(path)?;
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let mut s: FileSettings = toml::from_str(&s).map_err(|e| {
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MeliError::new(format!(
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"{}:\nConfig file contains errors: {}",
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path,
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e.to_string()
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))
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})?;
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let mut backends = melib::backends::Backends::new();
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let plugin_manager = crate::plugins::PluginManager::new();
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for (_, p) in s.plugins.clone() {
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if crate::plugins::PluginKind::Backend == p.kind() {
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crate::plugins::backend::PluginBackend::register(
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plugin_manager.listener(),
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p.clone(),
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&mut backends,
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);
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}
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}
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let Theme {
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light: default_light,
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dark: default_dark,
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..
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} = Theme::default();
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for (k, v) in default_light.into_iter() {
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if !s.terminal.themes.light.contains_key(&k) {
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s.terminal.themes.light.insert(k, v);
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}
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}
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for theme in s.terminal.themes.other_themes.values_mut() {
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for (k, v) in default_dark.clone().into_iter() {
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if !theme.contains_key(&k) {
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theme.insert(k, v);
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}
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}
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}
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for (k, v) in default_dark.into_iter() {
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if !s.terminal.themes.dark.contains_key(&k) {
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s.terminal.themes.dark.insert(k, v);
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}
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}
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match s.terminal.theme.as_str() {
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"dark" | "light" => {}
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t if s.terminal.themes.other_themes.contains_key(t) => {}
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t => {
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return Err(MeliError::new(format!("Theme `{}` was not found.", t)));
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}
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}
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s.terminal.themes.validate()?;
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for (name, acc) in &s.accounts {
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let FileAccount {
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root_folder,
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format,
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identity,
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read_only,
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display_name,
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subscribed_folders,
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folders,
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extra,
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manual_refresh,
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refresh_command: _,
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index_style: _,
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cache_type: _,
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} = acc.clone();
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let lowercase_format = format.to_lowercase();
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let s = AccountSettings {
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name: name.to_string(),
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root_folder,
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format: format.clone(),
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identity,
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read_only,
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display_name,
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subscribed_folders,
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manual_refresh,
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folders: folders
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.into_iter()
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.map(|(k, v)| (k, v.folder_conf))
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.collect(),
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extra,
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};
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backends.validate_config(&lowercase_format, &s)?;
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}
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Ok(s)
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}
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}
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impl Settings {
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pub fn new() -> Result<Settings> {
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let fs = FileSettings::new()?;
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let mut s: HashMap<String, AccountConf> = HashMap::new();
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for (id, x) in fs.accounts {
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let mut ac = AccountConf::from(x);
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ac.account.set_name(id.clone());
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s.insert(id, ac);
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}
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Ok(Settings {
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accounts: s,
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pager: fs.pager,
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listing: fs.listing,
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notifications: fs.notifications,
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shortcuts: fs.shortcuts,
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tags: fs.tags,
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composing: fs.composing,
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pgp: fs.pgp,
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terminal: fs.terminal,
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plugins: fs.plugins,
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})
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}
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}
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#[derive(Copy, Debug, Clone, Hash, PartialEq)]
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pub enum IndexStyle {
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Plain,
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Threaded,
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Compact,
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Conversations,
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}
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impl Default for IndexStyle {
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fn default() -> Self {
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IndexStyle::Compact
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}
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}
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/*
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* Deserialize default functions
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*/
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mod default_vals {
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pub(in crate::conf) fn false_val() -> bool {
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false
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}
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pub(in crate::conf) fn true_val() -> bool {
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true
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}
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pub(in crate::conf) fn zero_val() -> usize {
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0
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}
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pub(in crate::conf) fn eighty_percent() -> usize {
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80
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}
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pub(in crate::conf) fn none<T>() -> Option<T> {
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None
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}
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pub(in crate::conf) fn internal_value_false() -> super::ToggleFlag {
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super::ToggleFlag::InternalVal(false)
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}
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pub(in crate::conf) fn internal_value_true() -> super::ToggleFlag {
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super::ToggleFlag::InternalVal(true)
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}
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}
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mod deserializers {
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use serde::{Deserialize, Deserializer};
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pub(in crate::conf) fn non_empty_string<'de, D>(
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deserializer: D,
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) -> std::result::Result<Option<String>, D::Error>
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where
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D: Deserializer<'de>,
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{
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let s = <String>::deserialize(deserializer)?;
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if s.is_empty() {
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Ok(None)
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} else {
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Ok(Some(s))
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}
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}
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use toml::Value;
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fn any_of<'de, D>(deserializer: D) -> std::result::Result<String, D::Error>
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where
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D: Deserializer<'de>,
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{
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let v: Value = Deserialize::deserialize(deserializer)?;
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let mut ret = v.to_string();
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if ret.starts_with('"') && ret.ends_with('"') {
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ret.drain(0..1).count();
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ret.drain(ret.len() - 1..).count();
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}
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Ok(ret)
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}
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use std::collections::HashMap;
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pub(in crate::conf) fn extra_settings<'de, D>(
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deserializer: D,
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) -> std::result::Result<HashMap<String, String>, D::Error>
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where
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D: Deserializer<'de>,
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{
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/* Why is this needed? If the user gives a configuration value such as key = true, the
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* parsing will fail since it expects string values. We want to accept key = true as well
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* as key = "true". */
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#[derive(Deserialize)]
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struct Wrapper(#[serde(deserialize_with = "any_of")] String);
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let v = <HashMap<String, Wrapper>>::deserialize(deserializer)?;
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Ok(v.into_iter().map(|(k, Wrapper(v))| (k, v)).collect())
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}
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}
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impl<'de> Deserialize<'de> for IndexStyle {
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fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
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where
|
|
D: Deserializer<'de>,
|
|
{
|
|
let s = <String>::deserialize(deserializer)?;
|
|
match s.as_str() {
|
|
"Plain" | "plain" => Ok(IndexStyle::Plain),
|
|
"Threaded" | "threaded" => Ok(IndexStyle::Threaded),
|
|
"Compact" | "compact" => Ok(IndexStyle::Compact),
|
|
"Conversations" | "conversations" => Ok(IndexStyle::Conversations),
|
|
_ => Err(de::Error::custom("invalid `index_style` value")),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Serialize for IndexStyle {
|
|
fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
|
|
where
|
|
S: Serializer,
|
|
{
|
|
match self {
|
|
IndexStyle::Plain => serializer.serialize_str("plain"),
|
|
IndexStyle::Threaded => serializer.serialize_str("threaded"),
|
|
IndexStyle::Compact => serializer.serialize_str("compact"),
|
|
IndexStyle::Conversations => serializer.serialize_str("conversations"),
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Debug, Clone, PartialEq)]
|
|
pub enum CacheType {
|
|
None,
|
|
#[cfg(feature = "sqlite3")]
|
|
Sqlite3,
|
|
}
|
|
|
|
impl Default for CacheType {
|
|
fn default() -> Self {
|
|
#[cfg(feature = "sqlite3")]
|
|
{
|
|
CacheType::Sqlite3
|
|
}
|
|
#[cfg(not(feature = "sqlite3"))]
|
|
{
|
|
CacheType::None
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<'de> Deserialize<'de> for CacheType {
|
|
fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
|
|
where
|
|
D: Deserializer<'de>,
|
|
{
|
|
let s = <String>::deserialize(deserializer)?;
|
|
match s.as_str() {
|
|
#[cfg(feature = "sqlite3")]
|
|
"sqlite3" => Ok(CacheType::Sqlite3),
|
|
"nothing" | "none" | "" => Ok(CacheType::None),
|
|
_ => Err(de::Error::custom("invalid `index_cache` value")),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Serialize for CacheType {
|
|
fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
|
|
where
|
|
S: Serializer,
|
|
{
|
|
match self {
|
|
#[cfg(feature = "sqlite3")]
|
|
CacheType::Sqlite3 => serializer.serialize_str("sqlite3"),
|
|
CacheType::None => serializer.serialize_str("none"),
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn create_config_file(p: &Path) -> Result<()> {
|
|
let mut file = OpenOptions::new()
|
|
.write(true)
|
|
.create_new(true)
|
|
.open(p)
|
|
.expect("Could not create config file.");
|
|
file.write_all(include_bytes!("../../sample-config"))
|
|
.expect("Could not write to config file.");
|
|
println!("Written example configuration to {}", p.display());
|
|
let metadata = file.metadata()?;
|
|
let mut permissions = metadata.permissions();
|
|
|
|
permissions.set_mode(0o600); // Read/write for owner only.
|
|
file.set_permissions(permissions)?;
|
|
Ok(())
|
|
}
|
|
|
|
mod pp {
|
|
use melib::{
|
|
error::{MeliError, Result},
|
|
parsec::*,
|
|
};
|
|
use std::io::Read;
|
|
use std::path::{Path, PathBuf};
|
|
|
|
fn include_directive<'a>() -> impl Parser<'a, Option<&'a str>> {
|
|
move |input: &'a str| {
|
|
enum State {
|
|
Start,
|
|
Path,
|
|
}
|
|
use State::*;
|
|
let mut state = State::Start;
|
|
|
|
let mut i = 0;
|
|
while i < input.len() {
|
|
match (&state, input.as_bytes()[i]) {
|
|
(Start, b'#') => {
|
|
return Ok(("", None));
|
|
}
|
|
(Start, b) if (b as char).is_whitespace() => { /* consume */ }
|
|
(Start, _) if input.as_bytes()[i..].starts_with(b"include(") => {
|
|
i += "include(".len();
|
|
state = Path;
|
|
continue;
|
|
}
|
|
(Start, _) => {
|
|
return Ok(("", None));
|
|
}
|
|
(Path, b'"') | (Path, b'\'') | (Path, b'`') => {
|
|
let mut end = i + 1;
|
|
while end < input.len() && input.as_bytes()[end] != input.as_bytes()[i] {
|
|
end += 1;
|
|
}
|
|
if end == input.len() {
|
|
return Err(input);
|
|
}
|
|
let ret = &input[i + 1..end];
|
|
end += 1;
|
|
if end < input.len() && input.as_bytes()[end] != b')' {
|
|
/* Nothing else allowed in line */
|
|
return Err(input);
|
|
}
|
|
end += 1;
|
|
while end < input.len() {
|
|
if !(input.as_bytes()[end] as char).is_whitespace() {
|
|
/* Nothing else allowed in line */
|
|
return Err(input);
|
|
}
|
|
end += 1;
|
|
}
|
|
return Ok(("", Some(ret)));
|
|
}
|
|
(Path, _) => return Err(input),
|
|
}
|
|
i += 1;
|
|
}
|
|
return Ok(("", None));
|
|
}
|
|
}
|
|
|
|
fn pp_helper(path: &Path, level: u8) -> Result<String> {
|
|
if level > 7 {
|
|
return Err(MeliError::new(format!("Maximum recursion limit reached while unfolding include directives in {}. Have you included a config file within itself?", path.display())));
|
|
}
|
|
let mut contents = String::new();
|
|
let mut file = std::fs::File::open(path)?;
|
|
file.read_to_string(&mut contents)?;
|
|
let mut ret = String::with_capacity(contents.len());
|
|
|
|
for (i, l) in contents.lines().enumerate() {
|
|
if let (_, Some(sub_path)) = include_directive().parse(l).map_err(|l| {
|
|
MeliError::new(format!(
|
|
"Malformed include directive in line {} of file {}: {}\nConfiguration uses the standard m4 macro include(`filename`).",
|
|
i,
|
|
path.display(),
|
|
l
|
|
))
|
|
})? {
|
|
let p = &Path::new(sub_path);
|
|
debug!(p);
|
|
let p_buf = if p.is_relative() {
|
|
/* We checked that path is ok above so we can do unwrap here */
|
|
debug!(path);
|
|
let prefix = path.parent().unwrap();
|
|
debug!(prefix);
|
|
prefix.join(p)
|
|
} else {
|
|
p.to_path_buf()
|
|
};
|
|
|
|
ret.extend(pp_helper(&p_buf, level + 1)?.chars());
|
|
} else {
|
|
ret.push_str(l);
|
|
ret.push('\n');
|
|
}
|
|
}
|
|
|
|
Ok(ret)
|
|
}
|
|
|
|
pub fn pp<P: AsRef<Path>>(path: P) -> Result<String> {
|
|
let p_buf: PathBuf = if path.as_ref().is_relative() {
|
|
path.as_ref().canonicalize()?
|
|
} else {
|
|
path.as_ref().to_path_buf()
|
|
};
|
|
|
|
let mut ret = pp_helper(&p_buf, 0)?;
|
|
drop(p_buf);
|
|
if let Ok(xdg_dirs) = xdg::BaseDirectories::with_prefix("meli") {
|
|
for theme_folder in xdg_dirs.find_config_files("themes") {
|
|
let read_dir = std::fs::read_dir(theme_folder)?;
|
|
for theme in read_dir {
|
|
ret.extend(pp_helper(&theme?.path(), 0)?.chars());
|
|
}
|
|
}
|
|
}
|
|
Ok(ret)
|
|
}
|
|
}
|