Initial commit

This commit is contained in:
FliegendeWurst 2021-03-27 16:54:39 +01:00 committed by Arne Keller
commit 749f1c3aed
4 changed files with 715 additions and 0 deletions

2
.gitignore vendored Normal file
View File

@ -0,0 +1,2 @@
/target
.env

589
Cargo.lock generated Normal file
View File

@ -0,0 +1,589 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
[[package]]
name = "aho-corasick"
version = "0.7.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
dependencies = [
"memchr",
]
[[package]]
name = "arrayvec"
version = "0.5.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
[[package]]
name = "autocfg"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
[[package]]
name = "base64"
version = "0.10.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0b25d992356d2eb0ed82172f5248873db5560c4721f564b13cb5193bda5e668e"
dependencies = [
"byteorder",
]
[[package]]
name = "base64"
version = "0.12.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
[[package]]
name = "base64"
version = "0.13.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
[[package]]
name = "bitflags"
version = "1.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
[[package]]
name = "bufstream"
version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "40e38929add23cdf8a366df9b0e088953150724bcbe5fc330b0d8eb3b328eec8"
[[package]]
name = "bumpalo"
version = "3.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "63396b8a4b9de3f4fdfb320ab6080762242f66a8ef174c49d8e19b674db4cdbe"
[[package]]
name = "byteorder"
version = "1.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
[[package]]
name = "cc"
version = "1.0.67"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e3c69b077ad434294d3ce9f1f6143a2a4b89a8a2d54ef813d85003a4fd1137fd"
[[package]]
name = "cfg-if"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
[[package]]
name = "charset"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4f426e64df1c3de26cbf44593c6ffff5dbfd43bbf9de0d075058558126b3fc73"
dependencies = [
"base64 0.10.1",
"encoding_rs",
]
[[package]]
name = "chrono"
version = "0.4.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
dependencies = [
"libc",
"num-integer",
"num-traits",
"time",
"winapi",
]
[[package]]
name = "core-foundation"
version = "0.9.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0a89e2ae426ea83155dccf10c0fa6b1463ef6d5fcb44cee0b224a408fa640a62"
dependencies = [
"core-foundation-sys",
"libc",
]
[[package]]
name = "core-foundation-sys"
version = "0.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ea221b5284a47e40033bf9b66f35f984ec0ea2931eb03505246cd27a963f981b"
[[package]]
name = "either"
version = "1.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
[[package]]
name = "encoding_rs"
version = "0.8.28"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "80df024fbc5ac80f87dfef0d9f5209a252f2a497f7f42944cff24d8253cac065"
dependencies = [
"cfg-if",
]
[[package]]
name = "gethostname"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e692e296bfac1d2533ef168d0b60ff5897b8b70a4009276834014dd8924cc028"
dependencies = [
"libc",
"winapi",
]
[[package]]
name = "imap"
version = "2.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c617c55def8c42129e0dd503f11d7ee39d73f5c7e01eff55768b3879ff1d107d"
dependencies = [
"base64 0.13.0",
"bufstream",
"chrono",
"imap-proto",
"lazy_static",
"nom",
"regex",
]
[[package]]
name = "imap-proto"
version = "0.10.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "16a6def1d5ac8975d70b3fd101d57953fe3278ef2ee5d7816cba54b1d1dfc22f"
dependencies = [
"nom",
]
[[package]]
name = "inboxid"
version = "0.1.0"
dependencies = [
"imap",
"itertools",
"maildir",
"rustls-connector",
]
[[package]]
name = "itertools"
version = "0.10.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "37d572918e350e82412fe766d24b15e6682fb2ed2bbe018280caa810397cb319"
dependencies = [
"either",
]
[[package]]
name = "js-sys"
version = "0.3.49"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dc15e39392125075f60c95ba416f5381ff6c3a948ff02ab12464715adf56c821"
dependencies = [
"wasm-bindgen",
]
[[package]]
name = "lazy_static"
version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
[[package]]
name = "lexical-core"
version = "0.7.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "21f866863575d0e1d654fbeeabdc927292fdf862873dc3c96c6f753357e13374"
dependencies = [
"arrayvec",
"bitflags",
"cfg-if",
"ryu",
"static_assertions",
]
[[package]]
name = "libc"
version = "0.2.91"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8916b1f6ca17130ec6568feccee27c156ad12037880833a3b842a823236502e7"
[[package]]
name = "log"
version = "0.4.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
dependencies = [
"cfg-if",
]
[[package]]
name = "maildir"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6adcf4693a3c725b9c69ccf24f8ed9c6d3e7168c1a45632570d65529adc13b5e"
dependencies = [
"gethostname",
"mailparse",
]
[[package]]
name = "mailparse"
version = "0.13.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "31de1f9043c582efde7dbd93de56600df12b6c4488a67eeaefa74ea364019b22"
dependencies = [
"base64 0.12.3",
"charset",
"quoted_printable",
]
[[package]]
name = "memchr"
version = "2.3.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
[[package]]
name = "nom"
version = "5.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ffb4262d26ed83a1c0a33a38fe2bb15797329c85770da05e6b828ddb782627af"
dependencies = [
"lexical-core",
"memchr",
"version_check",
]
[[package]]
name = "num-integer"
version = "0.1.44"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
dependencies = [
"autocfg",
"num-traits",
]
[[package]]
name = "num-traits"
version = "0.2.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
dependencies = [
"autocfg",
]
[[package]]
name = "once_cell"
version = "1.7.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3"
[[package]]
name = "openssl-probe"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
[[package]]
name = "proc-macro2"
version = "1.0.24"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
dependencies = [
"unicode-xid",
]
[[package]]
name = "quote"
version = "1.0.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
dependencies = [
"proc-macro2",
]
[[package]]
name = "quoted_printable"
version = "0.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "47b080c5db639b292ac79cbd34be0cfc5d36694768d8341109634d90b86930e2"
[[package]]
name = "regex"
version = "1.4.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "957056ecddbeba1b26965114e191d2e8589ce74db242b6ea25fc4062427a5c19"
dependencies = [
"aho-corasick",
"memchr",
"regex-syntax",
]
[[package]]
name = "regex-syntax"
version = "0.6.23"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "24d5f089152e60f62d28b835fbff2cd2e8dc0baf1ac13343bef92ab7eed84548"
[[package]]
name = "ring"
version = "0.16.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3053cf52e236a3ed746dfc745aa9cacf1b791d846bdaf412f60a8d7d6e17c8fc"
dependencies = [
"cc",
"libc",
"once_cell",
"spin",
"untrusted",
"web-sys",
"winapi",
]
[[package]]
name = "rustls"
version = "0.19.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "064fd21ff87c6e87ed4506e68beb42459caa4a0e2eb144932e6776768556980b"
dependencies = [
"base64 0.13.0",
"log",
"ring",
"sct",
"webpki",
]
[[package]]
name = "rustls-connector"
version = "0.13.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4ffaf21b0bac725875490d079bb503cf88684618310c2dff167640fa006217cb"
dependencies = [
"log",
"rustls",
"rustls-native-certs",
"webpki",
]
[[package]]
name = "rustls-native-certs"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5a07b7c1885bd8ed3831c289b7870b13ef46fe0e856d288c30d9cc17d75a2092"
dependencies = [
"openssl-probe",
"rustls",
"schannel",
"security-framework",
]
[[package]]
name = "ryu"
version = "1.0.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
[[package]]
name = "schannel"
version = "0.1.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8f05ba609c234e60bee0d547fe94a4c7e9da733d1c962cf6e59efa4cd9c8bc75"
dependencies = [
"lazy_static",
"winapi",
]
[[package]]
name = "sct"
version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e3042af939fca8c3453b7af0f1c66e533a15a86169e39de2657310ade8f98d3c"
dependencies = [
"ring",
"untrusted",
]
[[package]]
name = "security-framework"
version = "2.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3670b1d2fdf6084d192bc71ead7aabe6c06aa2ea3fbd9cc3ac111fa5c2b1bd84"
dependencies = [
"bitflags",
"core-foundation",
"core-foundation-sys",
"libc",
"security-framework-sys",
]
[[package]]
name = "security-framework-sys"
version = "2.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3676258fd3cfe2c9a0ec99ce3038798d847ce3e4bb17746373eb9f0f1ac16339"
dependencies = [
"core-foundation-sys",
"libc",
]
[[package]]
name = "spin"
version = "0.5.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
[[package]]
name = "static_assertions"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
[[package]]
name = "syn"
version = "1.0.65"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f3a1d708c221c5a612956ef9f75b37e454e88d1f7b899fbd3a18d4252012d663"
dependencies = [
"proc-macro2",
"quote",
"unicode-xid",
]
[[package]]
name = "time"
version = "0.1.43"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
dependencies = [
"libc",
"winapi",
]
[[package]]
name = "unicode-xid"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
[[package]]
name = "untrusted"
version = "0.7.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
[[package]]
name = "version_check"
version = "0.9.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
[[package]]
name = "wasm-bindgen"
version = "0.2.72"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8fe8f61dba8e5d645a4d8132dc7a0a66861ed5e1045d2c0ed940fab33bac0fbe"
dependencies = [
"cfg-if",
"wasm-bindgen-macro",
]
[[package]]
name = "wasm-bindgen-backend"
version = "0.2.72"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "046ceba58ff062da072c7cb4ba5b22a37f00a302483f7e2a6cdc18fedbdc1fd3"
dependencies = [
"bumpalo",
"lazy_static",
"log",
"proc-macro2",
"quote",
"syn",
"wasm-bindgen-shared",
]
[[package]]
name = "wasm-bindgen-macro"
version = "0.2.72"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0ef9aa01d36cda046f797c57959ff5f3c615c9cc63997a8d545831ec7976819b"
dependencies = [
"quote",
"wasm-bindgen-macro-support",
]
[[package]]
name = "wasm-bindgen-macro-support"
version = "0.2.72"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "96eb45c1b2ee33545a813a92dbb53856418bf7eb54ab34f7f7ff1448a5b3735d"
dependencies = [
"proc-macro2",
"quote",
"syn",
"wasm-bindgen-backend",
"wasm-bindgen-shared",
]
[[package]]
name = "wasm-bindgen-shared"
version = "0.2.72"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b7148f4696fb4960a346eaa60bbfb42a1ac4ebba21f750f75fc1375b098d5ffa"
[[package]]
name = "web-sys"
version = "0.3.49"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "59fe19d70f5dacc03f6e46777213facae5ac3801575d56ca6cbd4c93dcd12310"
dependencies = [
"js-sys",
"wasm-bindgen",
]
[[package]]
name = "webpki"
version = "0.21.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b8e38c0608262c46d4a56202ebabdeb094cef7e560ca7a226c6bf055188aa4ea"
dependencies = [
"ring",
"untrusted",
]
[[package]]
name = "winapi"
version = "0.3.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
dependencies = [
"winapi-i686-pc-windows-gnu",
"winapi-x86_64-pc-windows-gnu",
]
[[package]]
name = "winapi-i686-pc-windows-gnu"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
[[package]]
name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

13
Cargo.toml Normal file
View File

@ -0,0 +1,13 @@
[package]
name = "inboxid"
version = "0.1.0"
authors = ["Arne Keller <arne.keller@posteo.de>"]
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
imap = { version = "2.4.1", default-features = false }
itertools = "0.10.0"
maildir = "0.5.0"
rustls-connector = "0.13.1"

111
src/main.rs Normal file
View File

@ -0,0 +1,111 @@
use std::{cmp, env, error::Error, fs, io, net::TcpStream, time::Duration};
use itertools::Itertools;
use maildir::Maildir;
use rustls_connector::RustlsConnector;
fn main() -> Result<(), Box<dyn Error>> {
let host = env::var("MAILHOST").expect("missing envvar MAILHOST");
let user = env::var("MAILUSER").expect("missing envvar MAILUSER");
let password = env::var("MAILPASSWORD").expect("missing envvar MAILPASSWORD");
let maildir = env::var("MAILDIR").expect("missing envvar MAILDIR");
let maildir = Maildir::from(maildir);
maildir.create_dirs()?;
let port = 993;
fetch_inbox_top(&host, user, password, port, "INBOX", maildir)
}
fn fetch_inbox_top(
host: &str,
user: String,
password: String,
port: u16,
mailbox: &str,
maildir: Maildir,
) -> Result<(), Box<dyn Error>> {
println!("connecting..");
let stream = TcpStream::connect((host, port))?;
let tls = RustlsConnector::new_with_native_certs()?;
println!("initializing TLS..");
let tlsstream = tls.connect(host, stream)?;
println!("initializing client..");
let client = imap::Client::new(tlsstream);
// the client we have here is unauthenticated.
// to do anything useful with the e-mails, we need to log in
println!("logging in..");
let mut imap_session = client.login(&user, &password).map_err(|e| e.0)?;
let caps = imap_session.capabilities()?;
println!("capabilities: {}", caps.iter().map(|x| format!("{:?}", x)).join(" "));
while let Ok(x) = imap_session.unsolicited_responses.recv_timeout(Duration::from_millis(50)) {
println!("aah what is this: {:?}", x);
}
// we want to fetch the first email in the INBOX mailbox
let resp = imap_session.examine(mailbox)?;
// TODO(errors)
let uid_validity = resp.uid_validity.unwrap();
let uid_next = resp.uid_next.unwrap();
println!("uid: {} {}", uid_validity, uid_next);
let (prev_uid_validity, prev_uid) = maildir.get_file(".uid").map(
|x| {
let mut fields = x.splitn(2, ',');
// TODO(2038): check if mailservers still just return the mailbox creation time in seconds
let uid_validity = fields.next().map(|x| x.parse::<u32>().ok()).unwrap_or_default().unwrap_or(0);
let uid_last = fields.next().map(|x| x.parse::<u32>().ok()).unwrap_or_default().unwrap_or(0);
(uid_validity, uid_last)
}
).unwrap_or((0, 0));
let fetch_range;
if uid_validity != prev_uid_validity {
fetch_range = "1:*".to_owned();
// TODO: somehow remove invalidated messages
// (is the maildir standard really this annoying?)
} else if uid_next != prev_uid + 1 {
fetch_range = format!("{}:*", prev_uid + 1)
} else {
println!("no new mail.");
imap_session.logout()?;
return Ok(());
}
println!("fetching {:?}", fetch_range);
let messages = imap_session.uid_fetch(&fetch_range, "RFC822")?;
let mut largest_uid = prev_uid;
for mail in messages.iter() {
largest_uid = cmp::max(largest_uid, mail.uid.unwrap());
println!("mail {:?}", mail.uid);
//let headers = mail.header().expect("message did not have headers!");
let body = mail.body().unwrap_or_default();
let mut data = Vec::new();
//data.extend(headers);
//data.push(b'\n');
data.extend(body);
maildir.store_new(&data)?;
}
let uid = cmp::max(uid_next - 1, largest_uid);
maildir.save_file(".uid", &format!("{},{}", uid_validity, uid))?;
// be nice to the server and log out
imap_session.logout()?;
Ok(())
}
trait MaildirExtension {
fn get_file(&self, name: &str) -> Result<String, io::Error>;
fn save_file(&self, name: &str, content: &str) -> Result<(), io::Error>;
}
impl MaildirExtension for Maildir {
fn get_file(&self, name: &str) -> Result<String, io::Error> {
fs::read_to_string(self.path().join(name))
}
fn save_file(&self, name: &str, content: &str) -> Result<(), io::Error> {
fs::write(self.path().join(name), content)
}
}