Fachschaft/alias_to_sieve
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This commit is contained in:
Gonne 2024-11-25 20:31:28 +01:00
parent bbd936cf88
commit defa39de28
1 changed files with 13 additions and 16 deletions
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29
src/main.rs
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@ -4,7 +4,7 @@ use std::fs::File;
use std::io::{self, BufRead};
use std::path::Path;
use std::str::FromStr;
use fqdn::*;
use fqdn::FQDN;
use email_address_parser::EmailAddress;
#[derive(Debug)]
@ -24,13 +24,10 @@ fn main() {
let mut alias_files : Vec<AliasFile> = Vec::new();
for i in (1..args.len()).step_by(2) {
if let Ok(lines) = read_lines(&args[i]) {
alias_files.push(AliasFile{content: lines, default_domain: FQDN::from_str(&args[i+1]).unwrap()})
alias_files.push(AliasFile{content: lines, default_domain: FQDN::from_str(&args[i+1]).unwrap()});
}
}
let redirects = parse_alias_to_map(alias_files);
let sieve_script = generate_sieve_script(redirects);
println!("{}", sieve_script);
println!("{}", generate_sieve_script(parse_alias_to_map(alias_files)));
}
fn generate_sieve_script(redirects: AliasMap) -> String {
@ -38,9 +35,9 @@ fn generate_sieve_script(redirects: AliasMap) -> String {
for (redirect, destinations) in redirects {
script += format!("if envelope :is \"to\" \"{}\" {{\n{}}}\n", redirect,
{
let mut subscript : String = "".to_string();
let mut subscript : String = String::new();
for destination in destinations.iter().rev().skip(1).rev() {
subscript += format!(" redirect :copy \"{}\";\n", destination).as_str();
subscript += format!(" redirect :copy \"{destination}\";\n").as_str();
}
subscript + format!(" redirect \"{}\";\n", destinations.iter().next_back().unwrap()).as_str()
}
@ -53,16 +50,16 @@ fn parse_alias_to_map(alias_files: Vec<AliasFile>) -> AliasMap {
// File must exist in the current path
let mut redirect_map : AliasMap = AliasMap::new();
let mut destinations : Vec<EmailAddress> = Vec::new();
for alias_file in alias_files.into_iter() {
for alias_file in alias_files {
for line in alias_file.content {
let line = line.unwrap();
let line = String::from(line.split_at(line.find("#").unwrap_or(line.len())).0);
let line = String::from(line.split_at(line.find('#').unwrap_or(line.len())).0);
let destination = line.split_at(line.find(char::is_whitespace).unwrap_or(0)).0;
if destination.is_empty() {
continue;
}
let redirects: Vec<EmailAddress> = line.split_at(line.find(char::is_whitespace).unwrap_or(0)).1.split(" ")
.filter(|address| address.trim().to_string().replace(",","") != "").map(|addr| to_mailaddress(addr, &alias_file.default_domain)).collect();
let redirects: Vec<EmailAddress> = line.split_at(line.find(char::is_whitespace).unwrap_or(0)).1.split(' ')
.filter(|address| address.trim().to_string().replace(',',"") != "").map(|addr| to_mailaddress(addr, &alias_file.default_domain)).collect();
if redirects.is_empty() {
continue;
}
@ -74,8 +71,8 @@ fn parse_alias_to_map(alias_files: Vec<AliasFile>) -> AliasMap {
while changed {
changed = false;
let mut all_new_redirects : AliasMap = AliasMap::new();
for destination in destinations.iter() {
for forward_to in redirect_map.get(destination).unwrap().iter() {
for destination in &destinations {
for forward_to in redirect_map.get(destination).unwrap() {
if let Some(new_redirects) = redirect_map.get(forward_to) {
changed = true;
all_new_redirects.entry(destination.clone()).or_insert(redirect_map.get(destination).unwrap().clone())
@ -93,8 +90,8 @@ fn parse_alias_to_map(alias_files: Vec<AliasFile>) -> AliasMap {
fn to_mailaddress(local_part: &str, default_domain : &FQDN) -> EmailAddress {
let mut addr = local_part.trim().to_string();
addr = addr.replace(",", "");
if addr.contains("@") {
addr = addr.replace(',', "");
if addr.contains('@') {
return EmailAddress::parse(&addr, None).unwrap();
}
EmailAddress::new(&addr, &default_domain.to_string(), None).unwrap()