From 41b32c55355209456469e27d913c057646e95216 Mon Sep 17 00:00:00 2001
From: naskya <m@naskya.net>
Date: Wed, 15 May 2024 22:19:58 +0000
Subject: [PATCH] refactor (backend): port push notification sender to
 backend-rs

---
 Cargo.lock                                    | 476 +++++++++++++++++-
 Cargo.toml                                    |   1 +
 packages/backend-rs/Cargo.toml                |   1 +
 packages/backend-rs/index.d.ts                |   9 +
 packages/backend-rs/index.js                  |   4 +-
 .../backend-rs/src/misc/get_note_summary.rs   |   3 +
 packages/backend-rs/src/service/mod.rs        |   1 +
 .../src/service/push_notification.rs          | 232 +++++++++
 packages/backend/package.json                 |   1 -
 .../api/common/read-messaging-message.ts      |  22 +-
 .../server/api/common/read-notification.ts    |  12 +-
 .../notifications/mark-all-as-read.ts         |   6 +-
 .../src/services/create-notification.ts       |  10 +-
 .../backend/src/services/messages/create.ts   |  15 +-
 .../backend/src/services/push-notification.ts | 115 -----
 pnpm-lock.yaml                                |  73 ---
 16 files changed, 754 insertions(+), 227 deletions(-)
 create mode 100644 packages/backend-rs/src/service/push_notification.rs
 delete mode 100644 packages/backend/src/services/push-notification.ts

diff --git a/Cargo.lock b/Cargo.lock
index 9ddffb107b..1dd37e0913 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -243,6 +243,7 @@ dependencies = [
  "tracing-subscriber",
  "url",
  "urlencoding",
+ "web-push",
 ]
 
 [[package]]
@@ -260,6 +261,18 @@ dependencies = [
  "rustc-demangle",
 ]
 
+[[package]]
+name = "base16ct"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
+
+[[package]]
+name = "base64"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+
 [[package]]
 name = "base64"
 version = "0.21.7"
@@ -308,6 +321,12 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "binstring"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e0d60973d9320722cb1206f412740e162a33b8547ea8d6be75d7cff237c7a85"
+
 [[package]]
 name = "bit_field"
 version = "0.10.2"
@@ -521,6 +540,17 @@ dependencies = [
  "inout",
 ]
 
+[[package]]
+name = "coarsetime"
+version = "0.1.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13b3839cf01bb7960114be3ccf2340f541b6d0c81f8690b007b2b39f750f7e5d"
+dependencies = [
+ "libc",
+ "wasix",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "color_quant"
 version = "1.1.0"
@@ -546,6 +576,12 @@ dependencies = [
  "crossbeam-utils",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d6f2aa4d0537bcc1c74df8755072bd31c1ef1a3a1b85a68e8404a8c353b7b8b"
+
 [[package]]
 name = "const-oid"
 version = "0.9.6"
@@ -640,6 +676,18 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
 
+[[package]]
+name = "crypto-bigint"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0dc92fb57ca44df6db8059111ab3af99a63d5d0f8375d9972e319a379c6bab76"
+dependencies = [
+ "generic-array",
+ "rand_core",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "crypto-common"
 version = "0.1.6"
@@ -650,6 +698,12 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "ct-codecs"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3b7eb4404b8195a9abb6356f4ac07d8ba267045c8d6d220ac4dc992e6cc75df"
+
 [[package]]
 name = "ctor"
 version = "0.2.8"
@@ -709,17 +763,50 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "der"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79b71cca7d95d7681a4b3b9cdf63c8dbc3730d0584c2c74e31416d64a90493f4"
+dependencies = [
+ "const-oid 0.6.2",
+ "der_derive",
+]
+
+[[package]]
+name = "der"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1a467a65c5e759bce6e65eaf91cc29f466cdc57cb65777bd646872a8a1fd4de"
+dependencies = [
+ "const-oid 0.9.6",
+ "pem-rfc7468 0.6.0",
+ "zeroize",
+]
+
 [[package]]
 name = "der"
 version = "0.7.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f55bf8e7b65898637379c1b74eb1551107c8294ed26d855ceb9fd1a09cfc9bc0"
 dependencies = [
- "const-oid",
- "pem-rfc7468",
+ "const-oid 0.9.6",
+ "pem-rfc7468 0.7.0",
  "zeroize",
 ]
 
+[[package]]
+name = "der_derive"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8aed3b3c608dc56cf36c45fe979d04eda51242e6703d8d0bb03426ef7c41db6a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "synstructure",
+]
+
 [[package]]
 name = "deranged"
 version = "0.3.11"
@@ -754,7 +841,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
  "block-buffer",
- "const-oid",
+ "const-oid 0.9.6",
  "crypto-common",
  "subtle",
 ]
@@ -765,6 +852,48 @@ version = "0.15.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1aaf95b3e5c8f23aa320147307562d361db0ae0d51242340f558153b4eb2439b"
 
+[[package]]
+name = "ecdsa"
+version = "0.16.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee27f32b5c5292967d2d4a9d7f1e0b0aed2c15daded5a60300e4abb9d8020bca"
+dependencies = [
+ "der 0.7.9",
+ "digest",
+ "elliptic-curve",
+ "rfc6979",
+ "signature 2.2.0",
+ "spki 0.7.3",
+]
+
+[[package]]
+name = "ece"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2ea1d2f2cc974957a4e2575d8e5bb494549bab66338d6320c2789abcfff5746"
+dependencies = [
+ "base64 0.21.7",
+ "byteorder",
+ "hex",
+ "hkdf",
+ "lazy_static",
+ "once_cell",
+ "openssl",
+ "serde",
+ "sha2",
+ "thiserror",
+]
+
+[[package]]
+name = "ed25519-compact"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e9b3460f44bea8cd47f45a0c70892f1eff856d97cd55358b2f73f663789f6190"
+dependencies = [
+ "ct-codecs",
+ "getrandom",
+]
+
 [[package]]
 name = "either"
 version = "1.11.0"
@@ -774,6 +903,27 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "elliptic-curve"
+version = "0.13.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b5e6043086bf7973472e0c7dff2142ea0b680d30e18d9cc40f267efbf222bd47"
+dependencies = [
+ "base16ct",
+ "crypto-bigint",
+ "digest",
+ "ff",
+ "generic-array",
+ "group",
+ "hkdf",
+ "pem-rfc7468 0.7.0",
+ "pkcs8 0.10.2",
+ "rand_core",
+ "sec1",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "emojis"
 version = "0.6.2"
@@ -865,6 +1015,16 @@ dependencies = [
  "simd-adler32",
 ]
 
+[[package]]
+name = "ff"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
+dependencies = [
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "finl_unicode"
 version = "1.2.0"
@@ -1038,6 +1198,7 @@ checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
 dependencies = [
  "typenum",
  "version_check",
+ "zeroize",
 ]
 
 [[package]]
@@ -1047,8 +1208,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
 dependencies = [
  "cfg-if",
+ "js-sys",
  "libc",
  "wasi",
+ "wasm-bindgen",
 ]
 
 [[package]]
@@ -1067,6 +1230,17 @@ version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
+[[package]]
+name = "group"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
+dependencies = [
+ "ff",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "half"
 version = "2.4.1"
@@ -1150,6 +1324,30 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "hmac-sha1-compact"
+version = "1.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dff9d405ec732fa3fcde87264e54a32a84956a377b3e3107de96e59b798c84a7"
+
+[[package]]
+name = "hmac-sha256"
+version = "1.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3688e69b38018fec1557254f64c8dc2cc8ec502890182f395dbb0aa997aa5735"
+dependencies = [
+ "digest",
+]
+
+[[package]]
+name = "hmac-sha512"
+version = "1.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e4ce1f4656bae589a3fab938f9f09bf58645b7ed01a2c5f8a3c238e01a4ef78a"
+dependencies = [
+ "digest",
+]
+
 [[package]]
 name = "home"
 version = "0.5.9"
@@ -1358,6 +1556,46 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "jwt-simple"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "357892bb32159d763abdea50733fadcb9a8e1c319a9aa77592db8555d05af83e"
+dependencies = [
+ "anyhow",
+ "binstring",
+ "coarsetime",
+ "ct-codecs",
+ "ed25519-compact",
+ "hmac-sha1-compact",
+ "hmac-sha256",
+ "hmac-sha512",
+ "k256",
+ "p256",
+ "p384",
+ "rand",
+ "rsa 0.7.2",
+ "serde",
+ "serde_json",
+ "spki 0.6.0",
+ "thiserror",
+ "zeroize",
+]
+
+[[package]]
+name = "k256"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "956ff9b67e26e1a6a866cb758f12c6f8746208489e3e4a4b5580802f2f0a587b"
+dependencies = [
+ "cfg-if",
+ "ecdsa",
+ "elliptic-curve",
+ "once_cell",
+ "sha2",
+ "signature 2.2.0",
+]
+
 [[package]]
 name = "keccak"
 version = "0.1.5"
@@ -1890,6 +2128,30 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
 
+[[package]]
+name = "p256"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9863ad85fa8f4460f9c48cb909d38a0d689dba1f6f6988a5e3e0d31071bcd4b"
+dependencies = [
+ "ecdsa",
+ "elliptic-curve",
+ "primeorder",
+ "sha2",
+]
+
+[[package]]
+name = "p384"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70786f51bcc69f6a4c0360e063a4cac5419ef7c5cd5b3c99ad70f3be5ba79209"
+dependencies = [
+ "ecdsa",
+ "elliptic-curve",
+ "primeorder",
+ "sha2",
+]
+
 [[package]]
 name = "parking"
 version = "2.2.0"
@@ -1936,6 +2198,35 @@ version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
 
+[[package]]
+name = "pem"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd56cbd21fea48d0c440b41cd69c589faacade08c992d9a54e471b79d0fd13eb"
+dependencies = [
+ "base64 0.13.1",
+ "once_cell",
+ "regex",
+]
+
+[[package]]
+name = "pem"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8835c273a76a90455d7344889b0964598e3316e2a79ede8e36f16bdcf2228b8"
+dependencies = [
+ "base64 0.13.1",
+]
+
+[[package]]
+name = "pem-rfc7468"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d159833a9105500e0398934e205e0773f0b27529557134ecfc51c27646adac"
+dependencies = [
+ "base64ct",
+]
+
 [[package]]
 name = "pem-rfc7468"
 version = "0.7.0"
@@ -2001,15 +2292,37 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkcs1"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eff33bdbdfc54cc98a2eca766ebdec3e1b8fb7387523d5c9c9a2891da856f719"
+dependencies = [
+ "der 0.6.1",
+ "pkcs8 0.9.0",
+ "spki 0.6.0",
+ "zeroize",
+]
+
 [[package]]
 name = "pkcs1"
 version = "0.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c8ffb9f10fa047879315e6625af03c164b16962a5368d724ed16323b68ace47f"
 dependencies = [
- "der",
- "pkcs8",
- "spki",
+ "der 0.7.9",
+ "pkcs8 0.10.2",
+ "spki 0.7.3",
+]
+
+[[package]]
+name = "pkcs8"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9eca2c590a5f85da82668fa685c09ce2888b9430e83299debf1f34b65fd4a4ba"
+dependencies = [
+ "der 0.6.1",
+ "spki 0.6.0",
 ]
 
 [[package]]
@@ -2018,8 +2331,8 @@ version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
 dependencies = [
- "der",
- "spki",
+ "der 0.7.9",
+ "spki 0.7.3",
 ]
 
 [[package]]
@@ -2079,6 +2392,15 @@ dependencies = [
  "yansi",
 ]
 
+[[package]]
+name = "primeorder"
+version = "0.13.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "353e1ca18966c16d9deb1c69278edbc5f194139612772bd9537af60ac231e1e6"
+dependencies = [
+ "elliptic-curve",
+]
+
 [[package]]
 name = "proc-macro-crate"
 version = "3.1.0"
@@ -2361,6 +2683,16 @@ dependencies = [
  "bytecheck",
 ]
 
+[[package]]
+name = "rfc6979"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8dd2a808d456c4a54e300a23e9f5a67e122c3024119acbfd73e3bf664491cb2"
+dependencies = [
+ "hmac",
+ "subtle",
+]
+
 [[package]]
 name = "rgb"
 version = "0.8.37"
@@ -2436,22 +2768,43 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "rsa"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "094052d5470cbcef561cb848a7209968c9f12dfa6d668f4bca048ac5de51099c"
+dependencies = [
+ "byteorder",
+ "digest",
+ "num-bigint-dig",
+ "num-integer",
+ "num-iter",
+ "num-traits",
+ "pkcs1 0.4.1",
+ "pkcs8 0.9.0",
+ "rand_core",
+ "signature 1.6.4",
+ "smallvec",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "rsa"
 version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5d0e5124fcb30e76a7e79bfee683a2746db83784b86289f6251b54b7950a0dfc"
 dependencies = [
- "const-oid",
+ "const-oid 0.9.6",
  "digest",
  "num-bigint-dig",
  "num-integer",
  "num-traits",
- "pkcs1",
- "pkcs8",
+ "pkcs1 0.7.5",
+ "pkcs8 0.10.2",
  "rand_core",
- "signature",
- "spki",
+ "signature 2.2.0",
+ "spki 0.7.3",
  "subtle",
  "zeroize",
 ]
@@ -2652,6 +3005,31 @@ version = "4.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1c107b6f4780854c8b126e228ea8869f4d7b71260f962fefb57b996b8959ba6b"
 
+[[package]]
+name = "sec1"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3e97a565f76233a6003f9f5c54be1d9c5bdfa3eccfb189469f11ec4901c47dc"
+dependencies = [
+ "base16ct",
+ "der 0.7.9",
+ "generic-array",
+ "pkcs8 0.10.2",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "sec1_decode"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6326ddc956378a0739200b2c30892dccaf198992dfd7323274690b9e188af23"
+dependencies = [
+ "der 0.4.5",
+ "pem 0.8.3",
+ "thiserror",
+]
+
 [[package]]
 name = "semver"
 version = "1.0.23"
@@ -2767,6 +3145,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "signature"
+version = "1.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74233d3b3b2f6d4b006dc19dee745e73e2a6bfb6f93607cd3b02bd5b00797d7c"
+dependencies = [
+ "digest",
+ "rand_core",
+]
+
 [[package]]
 name = "signature"
 version = "2.2.0"
@@ -2855,6 +3243,16 @@ dependencies = [
  "lock_api",
 ]
 
+[[package]]
+name = "spki"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67cf02bbac7a337dc36e4f5a693db6c21e7863f45070f7064577eb4367a3212b"
+dependencies = [
+ "base64ct",
+ "der 0.6.1",
+]
+
 [[package]]
 name = "spki"
 version = "0.7.3"
@@ -2862,7 +3260,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
 dependencies = [
  "base64ct",
- "der",
+ "der 0.7.9",
 ]
 
 [[package]]
@@ -3007,7 +3405,7 @@ dependencies = [
  "once_cell",
  "percent-encoding",
  "rand",
- "rsa",
+ "rsa 0.9.6",
  "rust_decimal",
  "serde",
  "sha1",
@@ -3177,6 +3575,18 @@ dependencies = [
  "syn 2.0.63",
 ]
 
+[[package]]
+name = "synstructure"
+version = "0.12.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "unicode-xid",
+]
+
 [[package]]
 name = "sysinfo"
 version = "0.30.12"
@@ -3503,6 +3913,12 @@ version = "1.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d4c87d22b6e3f4a18d4d40ef354e97c90fcb14dd91d7dc0aa9d8a1172ebf7202"
 
+[[package]]
+name = "unicode-xid"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
+
 [[package]]
 name = "unicode_categories"
 version = "0.1.1"
@@ -3600,6 +4016,15 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b8dad83b4f25e74f184f64c43b150b91efe7647395b42289f38e50566d82855b"
 
+[[package]]
+name = "wasix"
+version = "0.12.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1fbb4ef9bbca0c1170e0b00dd28abc9e3b68669821600cad1caaed606583c6d"
+dependencies = [
+ "wasi",
+]
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.92"
@@ -3654,6 +4079,27 @@ version = "0.2.92"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af190c94f2773fdb3729c55b007a722abb5384da03bc0986df4c289bf5567e96"
 
+[[package]]
+name = "web-push"
+version = "0.10.1"
+source = "git+https://github.com/pimeys/rust-web-push?rev=40febe4085e3cef9cdfd539c315e3e945aba0656#40febe4085e3cef9cdfd539c315e3e945aba0656"
+dependencies = [
+ "async-trait",
+ "base64 0.13.1",
+ "chrono",
+ "ece",
+ "futures-lite",
+ "http",
+ "isahc",
+ "jwt-simple",
+ "log",
+ "pem 1.1.1",
+ "sec1_decode",
+ "serde",
+ "serde_derive",
+ "serde_json",
+]
+
 [[package]]
 name = "webpki-roots"
 version = "0.25.4"
diff --git a/Cargo.toml b/Cargo.toml
index 00e1f376c5..ef32f6dc69 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,6 +42,7 @@ tracing = "0.1.40"
 tracing-subscriber = "0.3.18"
 url = "2.5.0"
 urlencoding = "2.1.3"
+web-push = { git = "https://github.com/pimeys/rust-web-push", rev = "40febe4085e3cef9cdfd539c315e3e945aba0656" }
 
 [profile.release]
 lto = true
diff --git a/packages/backend-rs/Cargo.toml b/packages/backend-rs/Cargo.toml
index 52ae312872..0a307c1ef9 100644
--- a/packages/backend-rs/Cargo.toml
+++ b/packages/backend-rs/Cargo.toml
@@ -46,6 +46,7 @@ tracing = { workspace = true }
 tracing-subscriber = { workspace = true }
 url = { workspace = true }
 urlencoding = { workspace = true }
+web-push = { workspace = true }
 
 [dev-dependencies]
 pretty_assertions = { workspace = true }
diff --git a/packages/backend-rs/index.d.ts b/packages/backend-rs/index.d.ts
index 4aab6a46b6..2199920310 100644
--- a/packages/backend-rs/index.d.ts
+++ b/packages/backend-rs/index.d.ts
@@ -1279,6 +1279,15 @@ export interface Users {
 }
 export function watchNote(watcherId: string, noteAuthorId: string, noteId: string): Promise<void>
 export function unwatchNote(watcherId: string, noteId: string): Promise<void>
+export enum PushNotificationKind {
+  Generic = 'generic',
+  Chat = 'chat',
+  ReadAllChats = 'readAllChats',
+  ReadAllChatsInTheRoom = 'readAllChatsInTheRoom',
+  ReadNotifications = 'readNotifications',
+  ReadAllNotifications = 'readAllNotifications'
+}
+export function sendPushNotification(receiverUserId: string, kind: PushNotificationKind, content: any): Promise<void>
 export function publishToChannelStream(channelId: string, userId: string): void
 export enum ChatEvent {
   Message = 'message',
diff --git a/packages/backend-rs/index.js b/packages/backend-rs/index.js
index b05fc34adb..36cd88dcbd 100644
--- a/packages/backend-rs/index.js
+++ b/packages/backend-rs/index.js
@@ -310,7 +310,7 @@ if (!nativeBinding) {
   throw new Error(`Failed to load native binding`)
 }
 
-const { SECOND, MINUTE, HOUR, DAY, USER_ONLINE_THRESHOLD, USER_ACTIVE_THRESHOLD, FILE_TYPE_BROWSERSAFE, loadEnv, loadConfig, stringToAcct, acctToString, showServerInfo, initializeRustLogger, addNoteToAntenna, isBlockedServer, isSilencedServer, isAllowedServer, checkWordMute, getFullApAccount, isSelfHost, isSameOrigin, extractHost, toPuny, isUnicodeEmoji, sqlLikeEscape, safeForSql, formatMilliseconds, getImageSizeFromUrl, getNoteSummary, cpuInfo, cpuUsage, memoryUsage, storageUsage, isSafeUrl, latestVersion, toMastodonId, fromMastodonId, fetchMeta, metaToPugArgs, nyaify, hashPassword, verifyPassword, isOldPasswordAlgorithm, decodeReaction, countReactions, toDbReaction, removeOldAttestationChallenges, AntennaSrcEnum, DriveFileUsageHintEnum, MutedNoteReasonEnum, NoteVisibilityEnum, NotificationTypeEnum, PageVisibilityEnum, PollNotevisibilityEnum, RelayStatusEnum, UserEmojimodpermEnum, UserProfileFfvisibilityEnum, UserProfileMutingnotificationtypesEnum, fetchNodeinfo, nodeinfo_2_1, nodeinfo_2_0, Protocol, Inbound, Outbound, watchNote, unwatchNote, publishToChannelStream, ChatEvent, publishToChatStream, ChatIndexEvent, publishToChatIndexStream, publishToBroadcastStream, publishToGroupChatStream, publishToModerationStream, getTimestamp, genId, genIdAt, generateSecureRandomString, generateUserToken } = nativeBinding
+const { SECOND, MINUTE, HOUR, DAY, USER_ONLINE_THRESHOLD, USER_ACTIVE_THRESHOLD, FILE_TYPE_BROWSERSAFE, loadEnv, loadConfig, stringToAcct, acctToString, showServerInfo, initializeRustLogger, addNoteToAntenna, isBlockedServer, isSilencedServer, isAllowedServer, checkWordMute, getFullApAccount, isSelfHost, isSameOrigin, extractHost, toPuny, isUnicodeEmoji, sqlLikeEscape, safeForSql, formatMilliseconds, getImageSizeFromUrl, getNoteSummary, cpuInfo, cpuUsage, memoryUsage, storageUsage, isSafeUrl, latestVersion, toMastodonId, fromMastodonId, fetchMeta, metaToPugArgs, nyaify, hashPassword, verifyPassword, isOldPasswordAlgorithm, decodeReaction, countReactions, toDbReaction, removeOldAttestationChallenges, AntennaSrcEnum, DriveFileUsageHintEnum, MutedNoteReasonEnum, NoteVisibilityEnum, NotificationTypeEnum, PageVisibilityEnum, PollNotevisibilityEnum, RelayStatusEnum, UserEmojimodpermEnum, UserProfileFfvisibilityEnum, UserProfileMutingnotificationtypesEnum, fetchNodeinfo, nodeinfo_2_1, nodeinfo_2_0, Protocol, Inbound, Outbound, watchNote, unwatchNote, PushNotificationKind, sendPushNotification, publishToChannelStream, ChatEvent, publishToChatStream, ChatIndexEvent, publishToChatIndexStream, publishToBroadcastStream, publishToGroupChatStream, publishToModerationStream, getTimestamp, genId, genIdAt, generateSecureRandomString, generateUserToken } = nativeBinding
 
 module.exports.SECOND = SECOND
 module.exports.MINUTE = MINUTE
@@ -378,6 +378,8 @@ module.exports.Inbound = Inbound
 module.exports.Outbound = Outbound
 module.exports.watchNote = watchNote
 module.exports.unwatchNote = unwatchNote
+module.exports.PushNotificationKind = PushNotificationKind
+module.exports.sendPushNotification = sendPushNotification
 module.exports.publishToChannelStream = publishToChannelStream
 module.exports.ChatEvent = ChatEvent
 module.exports.publishToChatStream = publishToChatStream
diff --git a/packages/backend-rs/src/misc/get_note_summary.rs b/packages/backend-rs/src/misc/get_note_summary.rs
index 8ed092334e..3103e358af 100644
--- a/packages/backend-rs/src/misc/get_note_summary.rs
+++ b/packages/backend-rs/src/misc/get_note_summary.rs
@@ -1,4 +1,7 @@
+use serde::{Deserialize, Serialize};
+
 // TODO: handle name collisions in a better way
+#[derive(Debug, Deserialize, Serialize)]
 #[crate::export(object, js_name = "NoteLikeForGetNoteSummary")]
 pub struct NoteLike {
     pub file_ids: Vec<String>,
diff --git a/packages/backend-rs/src/service/mod.rs b/packages/backend-rs/src/service/mod.rs
index 9569a33b63..6de98f4674 100644
--- a/packages/backend-rs/src/service/mod.rs
+++ b/packages/backend-rs/src/service/mod.rs
@@ -1,3 +1,4 @@
 pub mod nodeinfo;
 pub mod note;
+pub mod push_notification;
 pub mod stream;
diff --git a/packages/backend-rs/src/service/push_notification.rs b/packages/backend-rs/src/service/push_notification.rs
new file mode 100644
index 0000000000..c33567138e
--- /dev/null
+++ b/packages/backend-rs/src/service/push_notification.rs
@@ -0,0 +1,232 @@
+use crate::database::db_conn;
+use crate::misc::get_note_summary::{get_note_summary, NoteLike};
+use crate::misc::meta::fetch_meta;
+use crate::model::entity::sw_subscription;
+use crate::util::http_client;
+use once_cell::sync::OnceCell;
+use sea_orm::{prelude::*, DbErr};
+use web_push::{
+    ContentEncoding, IsahcWebPushClient, SubscriptionInfo, SubscriptionKeys, VapidSignatureBuilder,
+    WebPushClient, WebPushError, WebPushMessageBuilder,
+};
+
+#[derive(thiserror::Error, Debug)]
+pub enum Error {
+    #[error("Database error: {0}")]
+    DbErr(#[from] DbErr),
+    #[error("Web Push error: {0}")]
+    WebPushErr(#[from] WebPushError),
+    #[error("Failed to (de)serialize an object: {0}")]
+    SerializeErr(#[from] serde_json::Error),
+    #[error("Invalid content: {0}")]
+    InvalidContentErr(String),
+    #[error("HTTP client aquisition error: {0}")]
+    HttpClientErr(#[from] http_client::Error),
+}
+
+static CLIENT: OnceCell<IsahcWebPushClient> = OnceCell::new();
+
+fn get_client() -> Result<IsahcWebPushClient, Error> {
+    Ok(CLIENT
+        .get_or_try_init(|| http_client::client().map(IsahcWebPushClient::from))
+        .cloned()?)
+}
+
+#[derive(strum::Display, PartialEq)]
+#[crate::export(string_enum = "camelCase")]
+pub enum PushNotificationKind {
+    #[strum(serialize = "notification")]
+    Generic,
+    #[strum(serialize = "unreadMessagingMessage")]
+    Chat,
+    #[strum(serialize = "readAllMessagingMessages")]
+    ReadAllChats,
+    #[strum(serialize = "readAllMessagingMessagesOfARoom")]
+    ReadAllChatsInTheRoom,
+    #[strum(serialize = "readNotifications")]
+    ReadNotifications,
+    #[strum(serialize = "readAllNotifications")]
+    ReadAllNotifications,
+}
+
+fn compact_content(
+    kind: &PushNotificationKind,
+    mut content: serde_json::Value,
+) -> Result<serde_json::Value, Error> {
+    if kind != &PushNotificationKind::Generic {
+        return Ok(content);
+    }
+
+    if !content.is_object() {
+        return Err(Error::InvalidContentErr("not a JSON object".to_string()));
+    }
+
+    let object = content.as_object_mut().unwrap();
+
+    if !object.contains_key("note") {
+        return Ok(content);
+    }
+
+    let mut note = if object.contains_key("type") && object.get("type").unwrap() == "renote" {
+        object
+            .get("note")
+            .unwrap()
+            .get("renote")
+            .ok_or(Error::InvalidContentErr(
+                "renote object is missing".to_string(),
+            ))?
+    } else {
+        object.get("note").unwrap()
+    }
+    .clone();
+
+    if !note.is_object() {
+        return Err(Error::InvalidContentErr(
+            "(re)note is not an object".to_string(),
+        ));
+    }
+
+    let note_like: NoteLike = serde_json::from_value(note.clone())?;
+    let text = get_note_summary(note_like);
+
+    let note_object = note.as_object_mut().unwrap();
+
+    note_object.remove("reply");
+    note_object.remove("renote");
+    note_object.remove("user");
+    note_object.insert("text".to_string(), text.into());
+    object.insert("note".to_string(), note);
+
+    Ok(serde_json::from_value(Json::Object(object.clone()))?)
+}
+
+async fn handle_web_push_failure(
+    db: &DatabaseConnection,
+    err: WebPushError,
+    subscription_id: &str,
+    error_message: &str,
+) -> Result<(), DbErr> {
+    match err {
+        WebPushError::BadRequest(_)
+        | WebPushError::ServerError(_)
+        | WebPushError::InvalidUri
+        | WebPushError::EndpointNotValid
+        | WebPushError::EndpointNotFound
+        | WebPushError::TlsError
+        | WebPushError::SslError
+        | WebPushError::InvalidPackageName
+        | WebPushError::MissingCryptoKeys
+        | WebPushError::InvalidCryptoKeys
+        | WebPushError::InvalidResponse => {
+            sw_subscription::Entity::delete_by_id(subscription_id)
+                .exec(db)
+                .await?;
+            tracing::info!("{}; {} was unsubscribed", error_message, subscription_id);
+            tracing::debug!("reason: {:#?}", err);
+        }
+        _ => {
+            tracing::warn!("{}; subscription id: {}", error_message, subscription_id);
+            tracing::info!("reason: {:#?}", err);
+        }
+    };
+
+    Ok(())
+}
+
+#[crate::export]
+pub async fn send_push_notification(
+    receiver_user_id: &str,
+    kind: PushNotificationKind,
+    content: &serde_json::Value,
+) -> Result<(), Error> {
+    let meta = fetch_meta(true).await?;
+
+    if !meta.enable_service_worker || meta.sw_public_key.is_none() || meta.sw_private_key.is_none()
+    {
+        return Ok(());
+    }
+
+    let db = db_conn().await?;
+
+    let signature_builder = VapidSignatureBuilder::from_base64_no_sub(
+        meta.sw_private_key.unwrap().as_str(),
+        web_push::URL_SAFE_NO_PAD,
+    )?;
+
+    let subscriptions = sw_subscription::Entity::find()
+        .filter(sw_subscription::Column::UserId.eq(receiver_user_id))
+        .all(db)
+        .await?;
+
+    let payload = format!(
+        "{{\"type\":\"{}\",\"userId\":\"{}\",\"dateTime\":{},\"body\":{}}}",
+        kind,
+        receiver_user_id,
+        chrono::Utc::now().timestamp_millis(),
+        serde_json::to_string(&compact_content(&kind, content.clone())?)?
+    );
+    tracing::trace!("payload: {:#?}", payload);
+
+    for subscription in subscriptions.iter() {
+        if !subscription.send_read_message
+            && [
+                PushNotificationKind::ReadAllChats,
+                PushNotificationKind::ReadAllChatsInTheRoom,
+                PushNotificationKind::ReadAllNotifications,
+                PushNotificationKind::ReadNotifications,
+            ]
+            .contains(&kind)
+        {
+            continue;
+        }
+
+        let subscription_info = SubscriptionInfo {
+            endpoint: subscription.endpoint.to_owned(),
+            keys: SubscriptionKeys {
+                // convert standard base64 into base64url
+                // https://en.wikipedia.org/wiki/Base64#Variants_summary_table
+                p256dh: subscription
+                    .publickey
+                    .replace('+', "-")
+                    .replace('/', "_")
+                    .to_owned(),
+                auth: subscription
+                    .auth
+                    .replace('+', "-")
+                    .replace('/', "_")
+                    .to_owned(),
+            },
+        };
+
+        let signature = signature_builder
+            .clone()
+            .add_sub_info(&subscription_info)
+            .build();
+
+        if let Err(err) = signature {
+            handle_web_push_failure(db, err, &subscription.id, "failed to build a signature")
+                .await?;
+            continue;
+        }
+
+        let mut message_builder = WebPushMessageBuilder::new(&subscription_info);
+        message_builder.set_ttl(1000);
+        message_builder.set_payload(ContentEncoding::Aes128Gcm, payload.as_bytes());
+        message_builder.set_vapid_signature(signature.unwrap());
+
+        let message = message_builder.build();
+
+        if let Err(err) = message {
+            handle_web_push_failure(db, err, &subscription.id, "failed to build a payload").await?;
+            continue;
+        }
+        if let Err(err) = get_client()?.send(message.unwrap()).await {
+            handle_web_push_failure(db, err, &subscription.id, "failed to send").await?;
+            continue;
+        }
+
+        tracing::debug!("success; subscription id: {}", subscription.id);
+    }
+
+    Ok(())
+}
diff --git a/packages/backend/package.json b/packages/backend/package.json
index c3751a79ff..c427084f05 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -117,7 +117,6 @@
 		"typeorm": "0.3.20",
 		"ulid": "2.3.0",
 		"uuid": "9.0.1",
-		"web-push": "3.6.7",
 		"websocket": "1.0.35",
 		"xev": "3.0.2"
 	},
diff --git a/packages/backend/src/server/api/common/read-messaging-message.ts b/packages/backend/src/server/api/common/read-messaging-message.ts
index f322431608..2a1667f167 100644
--- a/packages/backend/src/server/api/common/read-messaging-message.ts
+++ b/packages/backend/src/server/api/common/read-messaging-message.ts
@@ -3,10 +3,11 @@ import {
 	publishToChatStream,
 	publishToGroupChatStream,
 	publishToChatIndexStream,
+	sendPushNotification,
 	ChatEvent,
 	ChatIndexEvent,
+	PushNotificationKind,
 } from "backend-rs";
-import { pushNotification } from "@/services/push-notification.js";
 import type { User, IRemoteUser } from "@/models/entities/user.js";
 import type { MessagingMessage } from "@/models/entities/messaging-message.js";
 import { MessagingMessages, UserGroupJoinings, Users } from "@/models/index.js";
@@ -62,20 +63,19 @@ export async function readUserMessagingMessage(
 	if (!(await Users.getHasUnreadMessagingMessage(userId))) {
 		// 全ての(いままで未読だった)自分宛てのメッセージを(これで)読みましたよというイベントを発行
 		publishMainStream(userId, "readAllMessagingMessages");
-		pushNotification(userId, "readAllMessagingMessages", undefined);
+		sendPushNotification(userId, PushNotificationKind.ReadAllChats, {});
 	} else {
 		// そのユーザーとのメッセージで未読がなければイベント発行
-		const count = await MessagingMessages.count({
+		const hasUnread = await MessagingMessages.exists({
 			where: {
 				userId: otherpartyId,
 				recipientId: userId,
 				isRead: false,
 			},
-			take: 1,
 		});
 
-		if (!count) {
-			pushNotification(userId, "readAllMessagingMessagesOfARoom", {
+		if (!hasUnread) {
+			sendPushNotification(userId, PushNotificationKind.ReadAllChatsInTheRoom, {
 				userId: otherpartyId,
 			});
 		}
@@ -137,10 +137,10 @@ export async function readGroupMessagingMessage(
 	if (!(await Users.getHasUnreadMessagingMessage(userId))) {
 		// 全ての(いままで未読だった)自分宛てのメッセージを(これで)読みましたよというイベントを発行
 		publishMainStream(userId, "readAllMessagingMessages");
-		pushNotification(userId, "readAllMessagingMessages", undefined);
+		sendPushNotification(userId, PushNotificationKind.ReadAllChats, {});
 	} else {
 		// そのグループにおいて未読がなければイベント発行
-		const unreadExist = await MessagingMessages.createQueryBuilder("message")
+		const hasUnread = await MessagingMessages.createQueryBuilder("message")
 			.where("message.groupId = :groupId", { groupId: groupId })
 			.andWhere("message.userId != :userId", { userId: userId })
 			.andWhere("NOT (:userId = ANY(message.reads))", { userId: userId })
@@ -150,8 +150,10 @@ export async function readGroupMessagingMessage(
 			.getOne()
 			.then((x) => x != null);
 
-		if (!unreadExist) {
-			pushNotification(userId, "readAllMessagingMessagesOfARoom", { groupId });
+		if (!hasUnread) {
+			sendPushNotification(userId, PushNotificationKind.ReadAllChatsInTheRoom, {
+				groupId,
+			});
 		}
 	}
 }
diff --git a/packages/backend/src/server/api/common/read-notification.ts b/packages/backend/src/server/api/common/read-notification.ts
index 1fb1d642fe..5237406df1 100644
--- a/packages/backend/src/server/api/common/read-notification.ts
+++ b/packages/backend/src/server/api/common/read-notification.ts
@@ -1,6 +1,6 @@
 import { In } from "typeorm";
 import { publishMainStream } from "@/services/stream.js";
-import { pushNotification } from "@/services/push-notification.js";
+import { sendPushNotification, PushNotificationKind } from "backend-rs";
 import type { User } from "@/models/entities/user.js";
 import type { Notification } from "@/models/entities/notification.js";
 import { Notifications, Users } from "@/models/index.js";
@@ -47,7 +47,11 @@ export async function readNotificationByQuery(
 
 function postReadAllNotifications(userId: User["id"]) {
 	publishMainStream(userId, "readAllNotifications");
-	return pushNotification(userId, "readAllNotifications", undefined);
+	return sendPushNotification(
+		userId,
+		PushNotificationKind.ReadAllNotifications,
+		{},
+	);
 }
 
 function postReadNotifications(
@@ -55,5 +59,7 @@ function postReadNotifications(
 	notificationIds: Notification["id"][],
 ) {
 	publishMainStream(userId, "readNotifications", notificationIds);
-	return pushNotification(userId, "readNotifications", { notificationIds });
+	return sendPushNotification(userId, PushNotificationKind.ReadNotifications, {
+		notificationIds,
+	});
 }
diff --git a/packages/backend/src/server/api/endpoints/notifications/mark-all-as-read.ts b/packages/backend/src/server/api/endpoints/notifications/mark-all-as-read.ts
index 568036380a..ffb8d8c2c4 100644
--- a/packages/backend/src/server/api/endpoints/notifications/mark-all-as-read.ts
+++ b/packages/backend/src/server/api/endpoints/notifications/mark-all-as-read.ts
@@ -1,5 +1,5 @@
 import { publishMainStream } from "@/services/stream.js";
-import { pushNotification } from "@/services/push-notification.js";
+import { sendPushNotification, PushNotificationKind } from "backend-rs";
 import { Notifications } from "@/models/index.js";
 import define from "@/server/api/define.js";
 
@@ -17,7 +17,7 @@ export const paramDef = {
 	required: [],
 } as const;
 
-export default define(meta, paramDef, async (ps, user) => {
+export default define(meta, paramDef, async (_, user) => {
 	// Update documents
 	await Notifications.update(
 		{
@@ -31,5 +31,5 @@ export default define(meta, paramDef, async (ps, user) => {
 
 	// 全ての通知を読みましたよというイベントを発行
 	publishMainStream(user.id, "readAllNotifications");
-	pushNotification(user.id, "readAllNotifications", undefined);
+	sendPushNotification(user.id, PushNotificationKind.ReadAllNotifications, {});
 });
diff --git a/packages/backend/src/services/create-notification.ts b/packages/backend/src/services/create-notification.ts
index 93fec126d3..e62bd38ec4 100644
--- a/packages/backend/src/services/create-notification.ts
+++ b/packages/backend/src/services/create-notification.ts
@@ -1,5 +1,4 @@
 import { publishMainStream } from "@/services/stream.js";
-import { pushNotification } from "@/services/push-notification.js";
 import {
 	Notifications,
 	Mutings,
@@ -8,7 +7,12 @@ import {
 	Users,
 	Followings,
 } from "@/models/index.js";
-import { genId, isSilencedServer } from "backend-rs";
+import {
+	genId,
+	isSilencedServer,
+	sendPushNotification,
+	PushNotificationKind,
+} from "backend-rs";
 import type { User } from "@/models/entities/user.js";
 import type { Notification } from "@/models/entities/notification.js";
 import { sendEmailNotification } from "./send-email-notification.js";
@@ -81,7 +85,7 @@ export async function createNotification(
 		if (fresh == null) return; // 既に削除されているかもしれない
 		// We execute this before, because the server side "read" check doesnt work well with push notifications, the app and service worker will decide themself
 		// when it is best to show push notifications
-		pushNotification(notifieeId, "notification", packed);
+		sendPushNotification(notifieeId, PushNotificationKind.Generic, packed);
 		if (fresh.isRead) return;
 
 		//#region ただしミュートしているユーザーからの通知なら無視
diff --git a/packages/backend/src/services/messages/create.ts b/packages/backend/src/services/messages/create.ts
index d025f57fca..931a1e4c57 100644
--- a/packages/backend/src/services/messages/create.ts
+++ b/packages/backend/src/services/messages/create.ts
@@ -9,16 +9,17 @@ import {
 } from "@/models/index.js";
 import {
 	genId,
+	sendPushNotification,
 	publishToChatStream,
 	publishToGroupChatStream,
 	publishToChatIndexStream,
 	toPuny,
 	ChatEvent,
 	ChatIndexEvent,
+	PushNotificationKind,
 } from "backend-rs";
 import type { MessagingMessage } from "@/models/entities/messaging-message.js";
 import { publishMainStream } from "@/services/stream.js";
-import { pushNotification } from "@/services/push-notification.js";
 import { Not } from "typeorm";
 import type { Note } from "@/models/entities/note.js";
 import renderNote from "@/remote/activitypub/renderer/note.js";
@@ -118,7 +119,11 @@ export async function createMessage(
 			//#endregion
 
 			publishMainStream(recipientUser.id, "unreadMessagingMessage", messageObj);
-			pushNotification(recipientUser.id, "unreadMessagingMessage", messageObj);
+			sendPushNotification(
+				recipientUser.id,
+				PushNotificationKind.Chat,
+				messageObj,
+			);
 		} else if (recipientGroup) {
 			const joinings = await UserGroupJoinings.findBy({
 				userGroupId: recipientGroup.id,
@@ -127,7 +132,11 @@ export async function createMessage(
 			for (const joining of joinings) {
 				if (freshMessage.reads.includes(joining.userId)) return; // 既読
 				publishMainStream(joining.userId, "unreadMessagingMessage", messageObj);
-				pushNotification(joining.userId, "unreadMessagingMessage", messageObj);
+				sendPushNotification(
+					joining.userId,
+					PushNotificationKind.Chat,
+					messageObj,
+				);
 			}
 		}
 	}, 2000);
diff --git a/packages/backend/src/services/push-notification.ts b/packages/backend/src/services/push-notification.ts
deleted file mode 100644
index 86dd2a32e2..0000000000
--- a/packages/backend/src/services/push-notification.ts
+++ /dev/null
@@ -1,115 +0,0 @@
-import push from "web-push";
-import { config } from "@/config.js";
-import { SwSubscriptions } from "@/models/index.js";
-import { fetchMeta, getNoteSummary } from "backend-rs";
-import type { Packed } from "@/misc/schema.js";
-
-// Defined also packages/sw/types.ts#L14-L21
-type pushNotificationsTypes = {
-	notification: Packed<"Notification">;
-	unreadMessagingMessage: Packed<"MessagingMessage">;
-	readNotifications: { notificationIds: string[] };
-	readAllNotifications: undefined;
-	readAllMessagingMessages: undefined;
-	readAllMessagingMessagesOfARoom: { userId: string } | { groupId: string };
-};
-
-// プッシュメッセージサーバーには文字数制限があるため、内容を削減します
-function truncateNotification(notification: Packed<"Notification">): any {
-	if (notification.note != null) {
-		return {
-			...notification,
-			note: {
-				...notification.note,
-				// replace the text with summary
-				text: getNoteSummary(
-					notification.type === "renote" && notification.note.renote != null
-						? notification.note.renote
-						: notification.note,
-				),
-
-				cw: undefined,
-				reply: undefined,
-				renote: undefined,
-				user: undefined as any, // 通知を受け取ったユーザーである場合が多いのでこれも捨てる
-			},
-		};
-	}
-
-	return notification;
-}
-
-export async function pushNotification<T extends keyof pushNotificationsTypes>(
-	userId: string,
-	type: T,
-	body: pushNotificationsTypes[T],
-) {
-	const meta = await fetchMeta(true);
-
-	if (
-		!meta.enableServiceWorker ||
-		meta.swPublicKey == null ||
-		meta.swPrivateKey == null
-	)
-		return;
-
-	// アプリケーションの連絡先と、サーバーサイドの鍵ペアの情報を登録
-	push.setVapidDetails(config.url, meta.swPublicKey, meta.swPrivateKey);
-
-	// Fetch
-	const subscriptions = await SwSubscriptions.findBy({
-		userId: userId,
-	});
-
-	for (const subscription of subscriptions) {
-		if (
-			[
-				"readNotifications",
-				"readAllNotifications",
-				"readAllMessagingMessages",
-				"readAllMessagingMessagesOfARoom",
-			].includes(type) &&
-			!subscription.sendReadMessage
-		)
-			continue;
-
-		const pushSubscription = {
-			endpoint: subscription.endpoint,
-			keys: {
-				auth: subscription.auth,
-				p256dh: subscription.publickey,
-			},
-		};
-
-		push
-			.sendNotification(
-				pushSubscription,
-				JSON.stringify({
-					type,
-					body:
-						type === "notification"
-							? truncateNotification(body as Packed<"Notification">)
-							: body,
-					userId,
-					dateTime: Date.now(),
-				}),
-				{
-					proxy: config.proxy,
-				},
-			)
-			.catch((err: any) => {
-				//swLogger.info(err.statusCode);
-				//swLogger.info(err.headers);
-				//swLogger.info(err.body);
-
-				if (err.statusCode === 410) {
-					SwSubscriptions.delete({
-						userId: userId,
-						endpoint: subscription.endpoint,
-						auth: subscription.auth,
-						publickey: subscription.publickey,
-					});
-				}
-			});
-	}
-}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 09b3b69ed1..837086395e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -327,9 +327,6 @@ importers:
       uuid:
         specifier: 9.0.1
         version: 9.0.1
-      web-push:
-        specifier: 3.6.7
-        version: 3.6.7
       websocket:
         specifier: 1.0.35
         version: 1.0.35
@@ -2998,9 +2995,6 @@ packages:
   asap@2.0.6:
     resolution: {integrity: sha512-BSHWgDSAiKs50o2Re8ppvp3seVHXSRM44cdSsT9FfNEUUZLOGWVCsiWaRPWM1Znn+mqZ1OfVZ3z3DWEzSp7hRA==}
 
-  asn1.js@5.4.1:
-    resolution: {integrity: sha512-+I//4cYPccV8LdmBLiX8CYvf9Sp3vQsrqu2QNXRcrbiWvcx/UdlFiqUJJzxRQxgsZmvhXhn4cSKeSmoFjVdupA==}
-
   asn1@0.2.6:
     resolution: {integrity: sha512-ix/FxPn0MDjeyJ7i/yoHGFt/EX6LyNbxSEhPPXODPL+KB0VPk86UYfL0lMdy+KCnv+fmvIzySwaK5COwqVbWTQ==}
 
@@ -3124,9 +3118,6 @@ packages:
   bmp-js@0.1.0:
     resolution: {integrity: sha512-vHdS19CnY3hwiNdkaqk93DvjVLfbEcI8mys4UjuWrlX1haDmroo8o4xCzh4wD6DGV6HxRCyauwhHRqMTfERtjw==}
 
-  bn.js@4.12.0:
-    resolution: {integrity: sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==}
-
   boolbase@1.0.0:
     resolution: {integrity: sha512-JZOSA7Mo9sNGB8+UjSgzdLtokWAky1zbztM3WRLCbZ70/3cTANmQmOdR7y2g+J0e2WXywy1yS468tY+IruqEww==}
 
@@ -3174,9 +3165,6 @@ packages:
     resolution: {integrity: sha512-Db1SbgBS/fg/392AblrMJk97KggmvYhr4pB5ZIMTWtaivCPMWLkmb7m21cJvpvgK+J3nsU2CmmixNBZx4vFj/w==}
     engines: {node: '>=8.0.0'}
 
-  buffer-equal-constant-time@1.0.1:
-    resolution: {integrity: sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA==}
-
   buffer-fill@1.0.0:
     resolution: {integrity: sha512-T7zexNBwiiaCOGDg9xNX9PBmjrubblRkENuptryuI64URkXDFum9il/JGL8Lm8wYfAXpredVXXZz7eMHilimiQ==}
 
@@ -4001,9 +3989,6 @@ packages:
   ecc-jsbn@0.1.2:
     resolution: {integrity: sha512-eh9O+hwRHNbG4BLTjEl3nw044CkGm5X6LoaCf7LPp7UU8Qrt47JYNi6nPX8xjW97TKGKm1ouctg0QSpZe9qrnw==}
 
-  ecdsa-sig-formatter@1.0.11:
-    resolution: {integrity: sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==}
-
   editorconfig@1.0.4:
     resolution: {integrity: sha512-L9Qe08KWTlqYMVvMcTIvMAdl1cDUubzRNYL+WfA4bLDMHe4nemKkpmYzkznE1FwLKu0EEmy6obgQKzMJrg4x9Q==}
     engines: {node: '>=14'}
@@ -4936,10 +4921,6 @@ packages:
     resolution: {integrity: sha512-V5nVw1PAOgfI3Lmeaj2Exmeg7fenjhRUgz1lPSezy1CuhPYbgQtbQj4jZfEAEMlaL+vupsvhjqCyjzob0yxsmQ==}
     engines: {node: '>=10.19.0'}
 
-  http_ece@1.2.0:
-    resolution: {integrity: sha512-JrF8SSLVmcvc5NducxgyOrKXe3EsyHMgBFgSaIUGmArKe+rwr0uphRkRXvwiom3I+fpIfoItveHrfudL8/rxuA==}
-    engines: {node: '>=16'}
-
   https-proxy-agent@5.0.1:
     resolution: {integrity: sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA==}
     engines: {node: '>= 6'}
@@ -5571,12 +5552,6 @@ packages:
   jstransformer@1.0.0:
     resolution: {integrity: sha512-C9YK3Rf8q6VAPDCCU9fnqo3mAfOH6vUGnMcP4AQAYIEpWtfGLpwOTmZ+igtdK5y+VvI2n3CyYSzy4Qh34eq24A==}
 
-  jwa@2.0.0:
-    resolution: {integrity: sha512-jrZ2Qx916EA+fq9cEAeCROWPTfCwi1IVHqT2tapuqLEVVDKFDENFw1oL+MwrTvH6msKxsd1YTDVw6uKEcsrLEA==}
-
-  jws@4.0.0:
-    resolution: {integrity: sha512-KDncfTmOZoOMTFG4mBlG0qUIOlc03fmzH+ru6RgYVZhPkyiy/92Owlt/8UEN+a4TXR1FQetfIpJE8ApdvdVxTg==}
-
   katex@0.16.10:
     resolution: {integrity: sha512-ZiqaC04tp2O5utMsl2TEZTXxa6WSC4yo0fv5ML++D3QZv/vx2Mct0mTlRx3O+uUkjfuAgOkzsCmq5MiUEsDDdA==}
     hasBin: true
@@ -5911,9 +5886,6 @@ packages:
     resolution: {integrity: sha512-I9jwMn07Sy/IwOj3zVkVik2JTvgpaykDZEigL6Rx6N9LbMywwUSMtxET+7lVoDLLd3O3IXwJwvuuns8UB/HeAg==}
     engines: {node: '>=4'}
 
-  minimalistic-assert@1.0.1:
-    resolution: {integrity: sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==}
-
   minimatch@3.1.2:
     resolution: {integrity: sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==}
 
@@ -7832,11 +7804,6 @@ packages:
   wcwidth@1.0.1:
     resolution: {integrity: sha512-XHPEwS0q6TaxcvG85+8EYkbiCux2XtWG2mkc47Ng2A77BQu9+DqIOJldST4HgPkuea7dvKSj5VgX3P1d4rW8Tg==}
 
-  web-push@3.6.7:
-    resolution: {integrity: sha512-OpiIUe8cuGjrj3mMBFWY+e4MMIkW3SVT+7vEIjvD9kejGUypv8GPDf84JdPWskK8zMRIJ6xYGm+Kxr8YkPyA0A==}
-    engines: {node: '>= 16'}
-    hasBin: true
-
   web-streams-polyfill@3.3.3:
     resolution: {integrity: sha512-d2JWLCivmZYTSIoge9MsgFCZrt571BikcWGYkjC1khllbTeDlGqZ2D8vD8E/lJa8WGWbb7Plm8/XJYV7IJHZZw==}
     engines: {node: '>= 8'}
@@ -10481,13 +10448,6 @@ snapshots:
 
   asap@2.0.6: {}
 
-  asn1.js@5.4.1:
-    dependencies:
-      bn.js: 4.12.0
-      inherits: 2.0.4
-      minimalistic-assert: 1.0.1
-      safer-buffer: 2.1.2
-
   asn1@0.2.6:
     dependencies:
       safer-buffer: 2.1.2
@@ -10651,8 +10611,6 @@ snapshots:
 
   bmp-js@0.1.0: {}
 
-  bn.js@4.12.0: {}
-
   boolbase@1.0.0: {}
 
   brace-expansion@1.1.11:
@@ -10707,8 +10665,6 @@ snapshots:
 
   buffer-crc32@1.0.0: {}
 
-  buffer-equal-constant-time@1.0.1: {}
-
   buffer-fill@1.0.0: {}
 
   buffer-from@1.1.2: {}
@@ -11456,10 +11412,6 @@ snapshots:
       jsbn: 0.1.1
       safer-buffer: 2.1.2
 
-  ecdsa-sig-formatter@1.0.11:
-    dependencies:
-      safe-buffer: 5.2.1
-
   editorconfig@1.0.4:
     dependencies:
       '@one-ini/wasm': 0.1.1
@@ -12746,8 +12698,6 @@ snapshots:
       quick-lru: 5.1.1
       resolve-alpn: 1.2.1
 
-  http_ece@1.2.0: {}
-
   https-proxy-agent@5.0.1:
     dependencies:
       agent-base: 6.0.2
@@ -13635,17 +13585,6 @@ snapshots:
       is-promise: 2.2.2
       promise: 7.3.1
 
-  jwa@2.0.0:
-    dependencies:
-      buffer-equal-constant-time: 1.0.1
-      ecdsa-sig-formatter: 1.0.11
-      safe-buffer: 5.2.1
-
-  jws@4.0.0:
-    dependencies:
-      jwa: 2.0.0
-      safe-buffer: 5.2.1
-
   katex@0.16.10:
     dependencies:
       commander: 8.3.0
@@ -14070,8 +14009,6 @@ snapshots:
 
   min-indent@1.0.1: {}
 
-  minimalistic-assert@1.0.1: {}
-
   minimatch@3.1.2:
     dependencies:
       brace-expansion: 1.1.11
@@ -16080,16 +16017,6 @@ snapshots:
     dependencies:
       defaults: 1.0.4
 
-  web-push@3.6.7:
-    dependencies:
-      asn1.js: 5.4.1
-      http_ece: 1.2.0
-      https-proxy-agent: 7.0.4
-      jws: 4.0.0
-      minimist: 1.2.8
-    transitivePeerDependencies:
-      - supports-color
-
   web-streams-polyfill@3.3.3: {}
 
   webidl-conversions@3.0.1: {}