From fdfb0e65d3de718beddcf3c882d716b7aff6a051 Mon Sep 17 00:00:00 2001 From: Martin Ashby Date: Sat, 31 Dec 2022 16:30:52 +0000 Subject: Add email notifications to comments --- comments/.gitignore | 1 + comments/Cargo.lock | 349 +++++++++++++++++++++++++++++++++++- comments/Cargo.toml | 2 +- comments/src/main.rs | 60 ++++++- comments/templates/notification.txt | 5 + 5 files changed, 406 insertions(+), 11 deletions(-) create mode 100644 comments/templates/notification.txt diff --git a/comments/.gitignore b/comments/.gitignore index ea8c4bf..fedaa2b 100644 --- a/comments/.gitignore +++ b/comments/.gitignore @@ -1 +1,2 @@ /target +.env diff --git a/comments/Cargo.lock b/comments/Cargo.lock index 1f2ab0b..e17d914 100644 --- a/comments/Cargo.lock +++ b/comments/Cargo.lock @@ -200,6 +200,7 @@ version = "0.1.0" dependencies = [ "askama", "axum", + "lettre", "serde", "sqlx", "tokio", @@ -211,6 +212,22 @@ version = "0.4.9" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "fbdcdcb6d86f71c5e97409ad45898af11cbc995b4ee8112d59095a28d376c935" +[[package]] +name = "core-foundation" +version = "0.9.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146" +dependencies = [ + "core-foundation-sys", + "libc", +] + +[[package]] +name = "core-foundation-sys" +version = "0.8.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc" + [[package]] name = "cpufeatures" version = "0.2.5" @@ -313,18 +330,58 @@ version = "1.8.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797" +[[package]] +name = "email-encoding" +version = "0.1.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "34dd14c63662e0206599796cd5e1ad0268ab2b9d19b868d6050d688eba2bbf98" +dependencies = [ + "base64", + "memchr", +] + +[[package]] +name = "email_address" +version = "0.2.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e2153bd83ebc09db15bcbdc3e2194d901804952e3dc96967e1cd3b0c5c32d112" + [[package]] name = "event-listener" version = "2.5.3" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0" +[[package]] +name = "fastrand" +version = "1.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a7a407cfaa3385c4ae6b23e84623d48c2798d06e3e6a1878f7f59f17b3f86499" +dependencies = [ + "instant", +] + [[package]] name = "fnv" version = "1.0.7" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1" +[[package]] +name = "foreign-types" +version = "0.3.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1" +dependencies = [ + "foreign-types-shared", +] + +[[package]] +name = "foreign-types-shared" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b" + [[package]] name = "form_urlencoded" version = "1.1.0" @@ -361,6 +418,12 @@ dependencies = [ "parking_lot 0.11.2", ] +[[package]] +name = "futures-io" +version = "0.3.25" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "00f5fb52a06bdcadeb54e8d3671f8888a39697dcb0b81b23b55174030427f4eb" + [[package]] name = "futures-sink" version = "0.3.25" @@ -380,10 +443,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "197676987abd2f9cadff84926f410af1c183608d36641465df73ae8211dc65d6" dependencies = [ "futures-core", + "futures-io", "futures-sink", "futures-task", + "memchr", "pin-project-lite", "pin-utils", + "slab", ] [[package]] @@ -473,6 +539,17 @@ dependencies = [ "digest", ] +[[package]] +name = "hostname" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3c731c3e10504cc8ed35cfe2f1db4c9274c3d35fa486e3b31df46f068ef3e867" +dependencies = [ + "libc", + "match_cfg", + "winapi", +] + [[package]] name = "http" version = "0.2.8" @@ -542,6 +619,17 @@ dependencies = [ "want", ] +[[package]] +name = "idna" +version = "0.2.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "418a0a6fab821475f634efe3ccc45c013f742efe03d853e8d3355d5cb850ecf8" +dependencies = [ + "matches", + "unicode-bidi", + "unicode-normalization", +] + [[package]] name = "idna" version = "0.3.0" @@ -595,6 +683,38 @@ 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 = "lettre" +version = "0.10.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2eabca5e0b4d0e98e7f2243fb5b7520b6af2b65d8f87bcc86f2c75185a6ff243" +dependencies = [ + "async-trait", + "base64", + "email-encoding", + "email_address", + "fastrand", + "futures-io", + "futures-util", + "hostname", + "httpdate", + "idna 0.2.3", + "mime", + "native-tls", + "nom", + "once_cell", + "quoted_printable", + "socket2", + "tokio", + "tokio-native-tls", +] + [[package]] name = "libc" version = "0.2.139" @@ -620,6 +740,18 @@ dependencies = [ "cfg-if", ] +[[package]] +name = "match_cfg" +version = "0.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ffbee8634e0d45d258acb448e7eaab3fce7a0a467395d4d9f228e3c1f01fb2e4" + +[[package]] +name = "matches" +version = "0.1.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f" + [[package]] name = "matchit" version = "0.7.0" @@ -672,7 +804,25 @@ dependencies = [ "libc", "log", "wasi", - "windows-sys", + "windows-sys 0.42.0", +] + +[[package]] +name = "native-tls" +version = "0.2.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "07226173c32f2926027b63cce4bcd8076c3552846cbe7925f3aaffeac0a3b92e" +dependencies = [ + "lazy_static", + "libc", + "log", + "openssl", + "openssl-probe", + "openssl-sys", + "schannel", + "security-framework", + "security-framework-sys", + "tempfile", ] [[package]] @@ -710,6 +860,51 @@ version = "1.16.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "86f0b0d4bf799edbc74508c1e8bf170ff5f41238e5f8225603ca7caaae2b7860" +[[package]] +name = "openssl" +version = "0.10.45" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b102428fd03bc5edf97f62620f7298614c45cedf287c271e7ed450bbaf83f2e1" +dependencies = [ + "bitflags", + "cfg-if", + "foreign-types", + "libc", + "once_cell", + "openssl-macros", + "openssl-sys", +] + +[[package]] +name = "openssl-macros" +version = "0.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b501e44f11665960c7e7fcf062c7d96a14ade4aa98116c004b2e37b5be7d736c" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "openssl-probe" +version = "0.1.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf" + +[[package]] +name = "openssl-sys" +version = "0.9.80" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "23bbbf7854cd45b83958ebe919f0e8e516793727652e27fda10a8384cfc790b7" +dependencies = [ + "autocfg", + "cc", + "libc", + "pkg-config", + "vcpkg", +] + [[package]] name = "parking_lot" version = "0.11.2" @@ -755,7 +950,7 @@ dependencies = [ "libc", "redox_syscall", "smallvec", - "windows-sys", + "windows-sys 0.42.0", ] [[package]] @@ -802,6 +997,12 @@ version = "0.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184" +[[package]] +name = "pkg-config" +version = "0.3.26" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160" + [[package]] name = "ppv-lite86" version = "0.2.17" @@ -832,6 +1033,12 @@ dependencies = [ "proc-macro2", ] +[[package]] +name = "quoted_printable" +version = "0.4.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "20f14e071918cbeefc5edc986a7aa92c425dae244e003a35e1cdddb5ca39b5cb" + [[package]] name = "rand" version = "0.8.5" @@ -882,6 +1089,15 @@ dependencies = [ "thiserror", ] +[[package]] +name = "remove_dir_all" +version = "0.5.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7" +dependencies = [ + "winapi", +] + [[package]] name = "ring" version = "0.16.20" @@ -931,6 +1147,16 @@ version = "1.0.12" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "7b4b9743ed687d4b4bcedf9ff5eaa7398495ae14e61cba0a295704edbc7decde" +[[package]] +name = "schannel" +version = "0.1.20" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "88d6731146462ea25d9244b2ed5fd1d716d25c52e4d54aa4fb0f3c4e9854dbe2" +dependencies = [ + "lazy_static", + "windows-sys 0.36.1", +] + [[package]] name = "scopeguard" version = "1.1.0" @@ -947,6 +1173,29 @@ dependencies = [ "untrusted", ] +[[package]] +name = "security-framework" +version = "2.7.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2bc1bb97804af6631813c55739f771071e0f2ed33ee20b68c86ec505d906356c" +dependencies = [ + "bitflags", + "core-foundation", + "core-foundation-sys", + "libc", + "security-framework-sys", +] + +[[package]] +name = "security-framework-sys" +version = "2.6.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0160a13a177a45bfb43ce71c01580998474f556ad854dcbca936dd2841a5c556" +dependencies = [ + "core-foundation-sys", + "libc", +] + [[package]] name = "semver" version = "0.9.0" @@ -1060,6 +1309,15 @@ dependencies = [ "libc", ] +[[package]] +name = "slab" +version = "0.4.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4614a76b2a8be0058caa9dbbaf66d988527d86d003c11a94fbd335d7661edcef" +dependencies = [ + "autocfg", +] + [[package]] name = "smallvec" version = "1.10.0" @@ -1278,6 +1536,20 @@ version = "0.1.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "20518fe4a4c9acf048008599e464deb21beeae3d3578418951a189c235a7a9a8" +[[package]] +name = "tempfile" +version = "3.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5cdb1ef4eaeeaddc8fbd371e5017057064af0911902ef36b39801f67cc6d79e4" +dependencies = [ + "cfg-if", + "fastrand", + "libc", + "redox_syscall", + "remove_dir_all", + "winapi", +] + [[package]] name = "thiserror" version = "1.0.38" @@ -1368,7 +1640,7 @@ dependencies = [ "signal-hook-registry", "socket2", "tokio-macros", - "windows-sys", + "windows-sys 0.42.0", ] [[package]] @@ -1382,6 +1654,16 @@ dependencies = [ "syn", ] +[[package]] +name = "tokio-native-tls" +version = "0.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f7d995660bd2b7f8c1568414c1126076c13fbb725c40112dc0120b78eb9b717b" +dependencies = [ + "native-tls", + "tokio", +] + [[package]] name = "tokio-rustls" version = "0.22.0" @@ -1548,7 +1830,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "0d68c799ae75762b8c3fe375feb6600ef5602c883c5d21eb51c09f22b83c4643" dependencies = [ "form_urlencoded", - "idna", + "idna 0.3.0", "percent-encoding", ] @@ -1558,6 +1840,12 @@ version = "0.8.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7" +[[package]] +name = "vcpkg" +version = "0.2.15" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426" + [[package]] name = "version_check" version = "0.9.4" @@ -1696,6 +1984,19 @@ version = "0.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" +[[package]] +name = "windows-sys" +version = "0.36.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2" +dependencies = [ + "windows_aarch64_msvc 0.36.1", + "windows_i686_gnu 0.36.1", + "windows_i686_msvc 0.36.1", + "windows_x86_64_gnu 0.36.1", + "windows_x86_64_msvc 0.36.1", +] + [[package]] name = "windows-sys" version = "0.42.0" @@ -1703,12 +2004,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7" dependencies = [ "windows_aarch64_gnullvm", - "windows_aarch64_msvc", - "windows_i686_gnu", - "windows_i686_msvc", - "windows_x86_64_gnu", + "windows_aarch64_msvc 0.42.0", + "windows_i686_gnu 0.42.0", + "windows_i686_msvc 0.42.0", + "windows_x86_64_gnu 0.42.0", "windows_x86_64_gnullvm", - "windows_x86_64_msvc", + "windows_x86_64_msvc 0.42.0", ] [[package]] @@ -1717,24 +2018,48 @@ version = "0.42.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "41d2aa71f6f0cbe00ae5167d90ef3cfe66527d6f613ca78ac8024c3ccab9a19e" +[[package]] +name = "windows_aarch64_msvc" +version = "0.36.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47" + [[package]] name = "windows_aarch64_msvc" version = "0.42.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "dd0f252f5a35cac83d6311b2e795981f5ee6e67eb1f9a7f64eb4500fbc4dcdb4" +[[package]] +name = "windows_i686_gnu" +version = "0.36.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6" + [[package]] name = "windows_i686_gnu" version = "0.42.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "fbeae19f6716841636c28d695375df17562ca208b2b7d0dc47635a50ae6c5de7" +[[package]] +name = "windows_i686_msvc" +version = "0.36.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024" + [[package]] name = "windows_i686_msvc" version = "0.42.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "84c12f65daa39dd2babe6e442988fc329d6243fdce47d7d2d155b8d874862246" +[[package]] +name = "windows_x86_64_gnu" +version = "0.36.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1" + [[package]] name = "windows_x86_64_gnu" version = "0.42.0" @@ -1747,6 +2072,12 @@ version = "0.42.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "09d525d2ba30eeb3297665bd434a54297e4170c7f1a44cad4ef58095b4cd2028" +[[package]] +name = "windows_x86_64_msvc" +version = "0.36.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680" + [[package]] name = "windows_x86_64_msvc" version = "0.42.0" diff --git a/comments/Cargo.toml b/comments/Cargo.toml index 8773580..22bd5c3 100644 --- a/comments/Cargo.toml +++ b/comments/Cargo.toml @@ -11,4 +11,4 @@ axum = { version="0.6" } serde = "1" sqlx = { version = "0.5", features = ["runtime-tokio-rustls", "any", "postgres", "time", "uuid"] } tokio = { version = "1", features = ["full"] } - +lettre = { version = "0.10", features = ["tokio1-native-tls"] } diff --git a/comments/src/main.rs b/comments/src/main.rs index 2bc11fa..7064bca 100644 --- a/comments/src/main.rs +++ b/comments/src/main.rs @@ -15,6 +15,10 @@ use axum::{ routing::get, Router, }; +use lettre::{ + AsyncSmtpTransport, AsyncTransport, Message, Tokio1Executor, + transport::smtp::authentication::Credentials +}; use serde::Deserialize; use sqlx::{ postgres::{PgPool, PgPoolOptions}, @@ -25,11 +29,20 @@ use sqlx::{ }; use std::{net::SocketAddr, time::Duration}; + // Useful global thingies #[derive(Clone)] struct Ctx { pool: PgPool, base_path: String, + mail_opts: Option, +} + +#[derive(Clone)] +struct MailCtx { + notification_address: String, + smtp_server: String, + smtp_credentials: Credentials, } #[tokio::main] @@ -40,6 +53,18 @@ async fn main() { let db_connection_str = std::env::var("DATABASE_URL") .unwrap_or_else(|_| "postgres://postgres:password@localhost".to_string()); + let notification_address = std::env::var("NOTIFICATION_ADDRESS").ok(); + let mail_opts = notification_address.map(|na| { + let smtp_server = std::env::var("SMTP_SERVER").expect("SMTP_SERVER not supplied!"); + let smtp_username = std::env::var("SMTP_USERNAME").expect("SMTP_USERNAME not supplied!"); + let smtp_password = std::env::var("SMTP_PASSWORD").expect("SMTP_PASSWORD not supplied!"); + MailCtx{ + smtp_server: smtp_server, + smtp_credentials: Credentials::new(smtp_username, smtp_password), + notification_address: na, + } + }); + let pool = PgPoolOptions::new() .max_connections(5) .connect_timeout(Duration::from_secs(3)) @@ -51,7 +76,7 @@ async fn main() { .await .expect("failed to run migrations"); - let ctx = Ctx {pool, base_path: base_path.clone()}; + let ctx = Ctx {pool, base_path: base_path.clone(), mail_opts}; let app = Router::new() .nest(&base_path, Router::new() @@ -142,6 +167,14 @@ struct CapchaAnswer { answer:String } +#[derive(Template)] +#[template(path = "notification.txt")] +struct Notification<'a> { + url: &'a str, + comment: &'a str, + author: &'a str, +} + async fn post_comments( State(ctx): State, Form(post_comment): Form) -> Result { @@ -158,6 +191,31 @@ async fn post_comments( .execute(&ctx.pool) .await .map_err(internal_error)?; + + if let Some(mail_opts) = ctx.mail_opts { + let mail_body = Notification{ + url: &post_comment.url, + author: &post_comment.author, + comment: &post_comment.comment + }.render().unwrap(); + let email = Message::builder() + // TODO should be a config value + .from("Comments Service ".parse().unwrap()) + .to(mail_opts.notification_address.parse().unwrap()) + .subject(format!("New comment on {}", post_comment.url)) + .body(mail_body) + .unwrap(); + let mailer: AsyncSmtpTransport = + AsyncSmtpTransport::::relay(&mail_opts.smtp_server) + .unwrap() + .credentials(mail_opts.smtp_credentials) + .build(); + match mailer.send(email).await { + Ok(_) => (), + Err(e) => eprintln!("Could not send email: {:?}", e), + } + }; + Ok(Redirect::temporary(&post_comment.url)) } diff --git a/comments/templates/notification.txt b/comments/templates/notification.txt new file mode 100644 index 0000000..ba85056 --- /dev/null +++ b/comments/templates/notification.txt @@ -0,0 +1,5 @@ +New comment on {{ url }}: + +Author: {{ author }} + +Comment: {{ comment }} \ No newline at end of file -- cgit v1.2.3-ZIG