From 5a0170aeef806e9380eb0780b7e1bfa73075fc83 Mon Sep 17 00:00:00 2001
From: link2xt <link2xt@testrun.org>
Date: Tue, 27 Feb 2024 02:55:44 +0000
Subject: [PATCH] feat: add /notify endpoint

---
 Cargo.lock      | 966 ++++++++++++++++++++++++++++++++++++++++++++++--
 Cargo.toml      |   1 +
 src/main.rs     |   6 +-
 src/notifier.rs |   5 +-
 src/server.rs   |  59 +++
 src/state.rs    |  14 +-
 6 files changed, 1019 insertions(+), 32 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 48b4f92..b699230 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -51,7 +51,18 @@ checksum = "884391ef1066acaa41e766ba8f596341b96e93ce34f9a43e7d24bf0a0eaf0561"
 dependencies = [
  "aes-soft",
  "aesni",
- "cipher",
+ "cipher 0.2.5",
+]
+
+[[package]]
+name = "aes"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b169f7a6d4742236a0a00c541b845991d0ac43e546831af1249753ab4c3aa3a0"
+dependencies = [
+ "cfg-if 1.0.0",
+ "cipher 0.4.4",
+ "cpufeatures",
 ]
 
 [[package]]
@@ -61,8 +72,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5278b5fabbb9bd46e24aa69b2fdea62c99088e0a950a9be40e3e0101298f88da"
 dependencies = [
  "aead",
- "aes",
- "cipher",
+ "aes 0.6.0",
+ "cipher 0.2.5",
  "ctr",
  "ghash",
  "subtle",
@@ -74,7 +85,7 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be14c7498ea50828a38d0e24a765ed2effe92a705885b57d029cd67d45744072"
 dependencies = [
- "cipher",
+ "cipher 0.2.5",
  "opaque-debug",
 ]
 
@@ -84,7 +95,7 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea2e11f5e94c2f7d386164cc2aa1f97823fed6f259e486940a71c174dd01b0ce"
 dependencies = [
- "cipher",
+ "cipher 0.2.5",
  "opaque-debug",
 ]
 
@@ -272,7 +283,7 @@ dependencies = [
  "rand 0.7.3",
  "serde",
  "serde_json",
- "sha2",
+ "sha2 0.9.9",
 ]
 
 [[package]]
@@ -378,6 +389,12 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4cbbc9d0964165b47557570cce6c952866c2678457aca742aafc9fb771d30270"
 
+[[package]]
+name = "base16ct"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
+
 [[package]]
 name = "base64"
 version = "0.12.3"
@@ -402,6 +419,12 @@ version = "0.21.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
 
+[[package]]
+name = "base64ct"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
+
 [[package]]
 name = "bincode"
 version = "1.3.3"
@@ -411,6 +434,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "bitfield"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d7e60934ceec538daadb9d8432424ed043a904d8e0243f3c6446bce549a46ac"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -435,7 +464,7 @@ dependencies = [
  "cfg-if 0.1.10",
  "constant_time_eq",
  "crypto-mac 0.8.0",
- "digest",
+ "digest 0.9.0",
 ]
 
 [[package]]
@@ -447,6 +476,24 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "block-padding"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8894febbff9f758034a5b8e12d87918f56dfc64a8e1fe757d65e29041538d93"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "blocking"
 version = "1.3.1"
@@ -462,6 +509,36 @@ dependencies = [
  "log",
 ]
 
+[[package]]
+name = "blowfish"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e412e2cd0f2b2d93e02543ceae7917b3c70331573df19ee046bcbc35e45e87d7"
+dependencies = [
+ "byteorder",
+ "cipher 0.4.4",
+]
+
+[[package]]
+name = "bstr"
+version = "1.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05efc5cfd9110c8416e471df0e96702d58690178e206e61b7173706673c93706"
+dependencies = [
+ "memchr",
+ "serde",
+]
+
+[[package]]
+name = "buffer-redux"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2886ea01509598caac116942abd33ab5a88fa32acdf7e4abfa0fc489ca520c9"
+dependencies = [
+ "memchr",
+ "safemem",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.14.0"
@@ -480,6 +557,25 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2bd12c1caf447e69cd4528f47f94d203fd2582878ecb9e9465484c4148a8223"
 
+[[package]]
+name = "camellia"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3264e2574e9ef2b53ce6f536dea83a69ac0bc600b762d1523ff83fe07230ce30"
+dependencies = [
+ "byteorder",
+ "cipher 0.4.4",
+]
+
+[[package]]
+name = "cast5"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26b07d673db1ccf000e90f54b819db9e75a8348d6eb056e9b8ab53231b7a9911"
+dependencies = [
+ "cipher 0.4.4",
+]
+
 [[package]]
 name = "cc"
 version = "1.0.83"
@@ -489,6 +585,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "cfb-mode"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "738b8d467867f80a71351933f70461f5b56f24d5c93e0cf216e59229c968d330"
+dependencies = [
+ "cipher 0.4.4",
+]
+
 [[package]]
 name = "cfg-if"
 version = "0.1.10"
@@ -525,6 +630,16 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "cipher"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
+dependencies = [
+ "crypto-common",
+ "inout",
+]
+
 [[package]]
 name = "clap"
 version = "2.34.0"
@@ -534,7 +649,7 @@ dependencies = [
  "ansi_term",
  "atty",
  "bitflags 1.3.2",
- "strsim",
+ "strsim 0.8.0",
  "textwrap",
  "unicode-width",
  "vec_map",
@@ -549,6 +664,12 @@ dependencies = [
  "crossbeam-utils",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
+
 [[package]]
 name = "const_fn"
 version = "0.4.9"
@@ -569,11 +690,11 @@ checksum = "03a5d7b21829bc7b4bf4754a978a241ae54ea55a40f92bb20216e54096f4b951"
 dependencies = [
  "aes-gcm",
  "base64 0.13.1",
- "hkdf",
+ "hkdf 0.10.0",
  "hmac 0.10.1",
  "percent-encoding",
  "rand 0.8.5",
- "sha2",
+ "sha2 0.9.9",
  "time",
  "version_check",
 ]
@@ -599,6 +720,12 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dcb25d077389e53838a8158c8e99174c5a9d902dee4904320db714f3c653ffba"
 
+[[package]]
+name = "crc24"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd121741cf3eb82c08dd3023eb55bf2665e5f60ec20f89760cf836ae4562e6a0"
+
 [[package]]
 name = "crc32fast"
 version = "1.3.2"
@@ -630,6 +757,28 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
+[[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 0.6.4",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
 [[package]]
 name = "crypto-mac"
 version = "0.8.0"
@@ -656,7 +805,121 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb4a30d54f7443bf3d6191dcd486aca19e67cb3c49fa7a06a319966346707e7f"
 dependencies = [
- "cipher",
+ "cipher 0.2.5",
+]
+
+[[package]]
+name = "curve25519-dalek"
+version = "4.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0a677b8922c94e01bdbb12126b0bc852f00447528dee1782229af9c720c3f348"
+dependencies = [
+ "cfg-if 1.0.0",
+ "cpufeatures",
+ "curve25519-dalek-derive",
+ "digest 0.10.7",
+ "fiat-crypto",
+ "platforms",
+ "rustc_version 0.4.0",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "curve25519-dalek-derive"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.37",
+]
+
+[[package]]
+name = "darling"
+version = "0.14.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b750cb3417fd1b327431a470f388520309479ab0bf5e323505daf0290cd3850"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.14.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "109c1ca6e6b7f82cc233a97004ea8ed7ca123a9af07a8230878fcfda9b158bf0"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim 0.10.0",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.14.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4aab4dbc9f7611d8b55048a3a16d2d010c2c8334e46304b40ac1cc14bf3b48e"
+dependencies = [
+ "darling_core",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "der"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fffa369a668c8af7dbf8b5e56c9f744fbd399949ed171606040001947de40b1c"
+dependencies = [
+ "const-oid",
+ "pem-rfc7468",
+ "zeroize",
+]
+
+[[package]]
+name = "derive_builder"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d67778784b508018359cbc8696edb3db78160bab2c2a28ba7f56ef6932997f8"
+dependencies = [
+ "derive_builder_macro",
+]
+
+[[package]]
+name = "derive_builder_core"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c11bdc11a0c47bc7d37d582b5285da6849c96681023680b906673c5707af7b0f"
+dependencies = [
+ "darling",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "derive_builder_macro"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebcda35c7a396850a55ffeac740804b40ffec779b98fffbb1738f4033f0ee79e"
+dependencies = [
+ "derive_builder_core",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "des"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffdd80ce8ce993de27e9f063a444a4d53ce8e8db4c1f00cc03af5ad5a9867a1e"
+dependencies = [
+ "cipher 0.4.4",
 ]
 
 [[package]]
@@ -668,12 +931,105 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer 0.10.4",
+ "const-oid",
+ "crypto-common",
+ "subtle",
+]
+
 [[package]]
 name = "discard"
 version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "212d0f5754cb6769937f4501cc0e67f4f4483c8d2c3e1e922ee9edbe4ab4c7c0"
 
+[[package]]
+name = "dsa"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48bc224a9084ad760195584ce5abb3c2c34a225fa312a128ad245a6b412b7689"
+dependencies = [
+ "digest 0.10.7",
+ "num-bigint-dig",
+ "num-traits",
+ "pkcs8",
+ "rfc6979",
+ "sha2 0.10.8",
+ "signature",
+ "zeroize",
+]
+
+[[package]]
+name = "ecdsa"
+version = "0.16.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee27f32b5c5292967d2d4a9d7f1e0b0aed2c15daded5a60300e4abb9d8020bca"
+dependencies = [
+ "der",
+ "digest 0.10.7",
+ "elliptic-curve",
+ "rfc6979",
+ "signature",
+ "spki",
+]
+
+[[package]]
+name = "ed25519"
+version = "2.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "115531babc129696a58c64a4fef0a8bf9e9698629fb97e9e40767d235cfbcd53"
+dependencies = [
+ "pkcs8",
+ "signature",
+]
+
+[[package]]
+name = "ed25519-dalek"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a3daa8e81a3963a60642bcc1f90a670680bd4a77535faa384e9d1c79d620871"
+dependencies = [
+ "curve25519-dalek",
+ "ed25519",
+ "serde",
+ "sha2 0.10.8",
+ "subtle",
+ "zeroize",
+]
+
+[[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 0.10.7",
+ "ff",
+ "generic-array",
+ "group",
+ "hkdf 0.12.4",
+ "pem-rfc7468",
+ "pkcs8",
+ "rand_core 0.6.4",
+ "sec1",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
 [[package]]
 name = "erased-serde"
 version = "0.3.31"
@@ -735,6 +1091,32 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "ff"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
+dependencies = [
+ "rand_core 0.6.4",
+ "subtle",
+]
+
+[[package]]
+name = "fiat-crypto"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1676f435fc1dadde4d03e43f5d62b259e1ce5f40bd4ffb21db2b42ebe59c1382"
+
+[[package]]
+name = "flate2"
+version = "1.0.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46303f565772937ffe1d394a4fac6f411c6013172fadde9dcdb1e147a086940e"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -865,6 +1247,7 @@ checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
 dependencies = [
  "typenum",
  "version_check",
+ "zeroize",
 ]
 
 [[package]]
@@ -917,6 +1300,17 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "group"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
+dependencies = [
+ "ff",
+ "rand_core 0.6.4",
+ "subtle",
+]
+
 [[package]]
 name = "h2"
 version = "0.3.21"
@@ -929,7 +1323,7 @@ dependencies = [
  "futures-sink",
  "futures-util",
  "http",
- "indexmap",
+ "indexmap 1.9.3",
  "slab",
  "tokio",
  "tokio-util",
@@ -942,6 +1336,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "heck"
 version = "0.3.3"
@@ -966,16 +1366,31 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "443144c8cdadd93ebf52ddb4056d257f5b52c04d3c804e657d19eb73fc33668b"
 
+[[package]]
+name = "hex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
+
 [[package]]
 name = "hkdf"
 version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "51ab2f639c231793c5f6114bdb9bbe50a7dbbfcd7c7c6bd8475dec2d991e964f"
 dependencies = [
- "digest",
+ "digest 0.9.0",
  "hmac 0.10.1",
 ]
 
+[[package]]
+name = "hkdf"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b5f8eb2ad728638ea2c7d47a21db23b7b58a72ed6a38256b8a1849f15fbbdf7"
+dependencies = [
+ "hmac 0.12.1",
+]
+
 [[package]]
 name = "hmac"
 version = "0.8.1"
@@ -983,7 +1398,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "126888268dcc288495a26bf004b38c5fdbb31682f992c84ceb046a1f0fe38840"
 dependencies = [
  "crypto-mac 0.8.0",
- "digest",
+ "digest 0.9.0",
 ]
 
 [[package]]
@@ -993,7 +1408,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c1441c6b1e930e2817404b5046f1f989899143a12bf92de603b69f4e0aee1e15"
 dependencies = [
  "crypto-mac 0.10.0",
- "digest",
+ "digest 0.9.0",
+]
+
+[[package]]
+name = "hmac"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
+dependencies = [
+ "digest 0.10.7",
 ]
 
 [[package]]
@@ -1132,6 +1556,21 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "idea"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "075557004419d7f2031b8bb7f44bb43e55a83ca7b63076a8fb8fe75753836477"
+dependencies = [
+ "cipher 0.4.4",
+]
+
+[[package]]
+name = "ident_case"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
+
 [[package]]
 name = "idna"
 version = "0.4.0"
@@ -1149,7 +1588,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "233cf39063f058ea2caae4091bf4a3ef70a653afbc026f5c4a4135d114e3c177"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
 ]
 
 [[package]]
@@ -1158,6 +1607,15 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "64e9829a50b42bb782c1df523f78d332fe371b10c661e78b7a3c34b0198e9fac"
 
+[[package]]
+name = "inout"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0c10553d664a4d0bcff9f4215d0aac67a639cc68ef660840afe309b807bc9f5"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "instant"
 version = "0.1.12"
@@ -1178,6 +1636,12 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "iter-read"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a598c1abae8e3456ebda517868b254b6bc2a9bb6501ffd5b9d0875bf332e048b"
+
 [[package]]
 name = "itoa"
 version = "1.0.9"
@@ -1193,6 +1657,29 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "k256"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "956ff9b67e26e1a6a866cb758f12c6f8746208489e3e4a4b5580802f2f0a587b"
+dependencies = [
+ "cfg-if 1.0.0",
+ "ecdsa",
+ "elliptic-curve",
+ "once_cell",
+ "sha2 0.10.8",
+ "signature",
+]
+
+[[package]]
+name = "keccak"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ecc2af9a1119c51f12a14607e783cb977bde58bc069ff0c3da1095e635d70654"
+dependencies = [
+ "cpufeatures",
+]
+
 [[package]]
 name = "kv-log-macro"
 version = "1.0.7"
@@ -1207,6 +1694,9 @@ name = "lazy_static"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+dependencies = [
+ "spin 0.5.2",
+]
 
 [[package]]
 name = "libc"
@@ -1214,6 +1704,12 @@ version = "0.2.148"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9cdc71e17332e86d2e1d38c1f99edcb6288ee11b815fb1a4b049eaa2114d369b"
 
+[[package]]
+name = "libm"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ec2a862134d2a7d32d7983ddcdd1c4923530833c9f2ea1a44fc5fa473989058"
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.3.8"
@@ -1240,11 +1736,21 @@ dependencies = [
  "value-bag",
 ]
 
+[[package]]
+name = "md-5"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d89e7ee0cfbedfc4da3340218492196241d89eefb6dab27de5df917a6d2e78cf"
+dependencies = [
+ "cfg-if 1.0.0",
+ "digest 0.10.7",
+]
+
 [[package]]
 name = "memchr"
-version = "2.6.3"
+version = "2.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f232d6ef707e1956a43342693d2a31e72989554d58299d7a88738cc95b0d35c"
+checksum = "523dc4f511e55ab87b694dc30d0f820d60906ef06413f93d4d7a1385599cc149"
 
 [[package]]
 name = "memoffset"
@@ -1255,6 +1761,12 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "minimal-lexical"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
 [[package]]
 name = "miniz_oxide"
 version = "0.7.1"
@@ -1275,6 +1787,16 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "nom"
+version = "7.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+dependencies = [
+ "memchr",
+ "minimal-lexical",
+]
+
 [[package]]
 name = "notifiers"
 version = "0.1.0"
@@ -1286,12 +1808,51 @@ dependencies = [
  "humantime",
  "hyper",
  "log",
+ "pgp",
  "serde",
  "sled",
  "structopt",
  "tide",
 ]
 
+[[package]]
+name = "num-bigint-dig"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc84195820f291c7697304f3cbdadd1cb7199c0efc917ff5eafd71225c136151"
+dependencies = [
+ "byteorder",
+ "lazy_static",
+ "libm",
+ "num-integer",
+ "num-iter",
+ "num-traits",
+ "rand 0.8.5",
+ "serde",
+ "smallvec",
+ "zeroize",
+]
+
+[[package]]
+name = "num-integer"
+version = "0.1.46"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7969661fd2958a5cb096e56c8e1ad0444ac2bbcd0061bd28660485a44879858f"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "num-iter"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d869c01cc0c455284163fd0092f1f93835385ccab5a98a0dcc497b2f8bf055a9"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.16"
@@ -1299,6 +1860,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f30b0abd723be7e2ffca1272140fac1a2f084c77ec3e123c192b66af1ee9e6c2"
 dependencies = [
  "autocfg",
+ "libm",
 ]
 
 [[package]]
@@ -1311,6 +1873,27 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "num_enum"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02339744ee7253741199f897151b38e72257d13802d4ee837285cc2990a90845"
+dependencies = [
+ "num_enum_derive",
+]
+
+[[package]]
+name = "num_enum_derive"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "681030a937600a36906c185595136d26abfebb4aa9c65701cefcaf8578bb982b"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.37",
+]
+
 [[package]]
 name = "object"
 version = "0.32.1"
@@ -1322,9 +1905,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.18.0"
+version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
 [[package]]
 name = "opaque-debug"
@@ -1370,6 +1953,30 @@ dependencies = [
  "vcpkg",
 ]
 
+[[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 0.10.8",
+]
+
+[[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 0.10.8",
+]
+
 [[package]]
 name = "parking"
 version = "2.1.0"
@@ -1401,12 +2008,77 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "pem-rfc7468"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88b39c9bfcfc231068454382784bb460aae594343fb030d46e9f50a645418412"
+dependencies = [
+ "base64ct",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b2a4787296e9989611394c33f193f676704af1686e70b8f8033ab5ba9a35a94"
 
+[[package]]
+name = "pgp"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "031fa1e28c4cb54c90502ef0642a44ef10ec8349349ebe6372089f1b1ef4f297"
+dependencies = [
+ "aes 0.8.4",
+ "base64 0.21.7",
+ "bitfield",
+ "block-padding",
+ "blowfish",
+ "bstr",
+ "buffer-redux",
+ "byteorder",
+ "camellia",
+ "cast5",
+ "cfb-mode",
+ "chrono",
+ "cipher 0.4.4",
+ "const-oid",
+ "crc24",
+ "curve25519-dalek",
+ "derive_builder",
+ "des",
+ "digest 0.10.7",
+ "dsa",
+ "ed25519-dalek",
+ "elliptic-curve",
+ "flate2",
+ "generic-array",
+ "hex",
+ "idea",
+ "iter-read",
+ "k256",
+ "log",
+ "md-5",
+ "nom",
+ "num-bigint-dig",
+ "num-traits",
+ "num_enum",
+ "p256",
+ "p384",
+ "rand 0.8.5",
+ "ripemd",
+ "rsa",
+ "sha1 0.10.6",
+ "sha2 0.10.8",
+ "sha3",
+ "signature",
+ "smallvec",
+ "thiserror",
+ "twofish",
+ "x25519-dalek",
+ "zeroize",
+]
+
 [[package]]
 name = "pin-project"
 version = "1.1.3"
@@ -1445,12 +2117,39 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkcs1"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8ffb9f10fa047879315e6625af03c164b16962a5368d724ed16323b68ace47f"
+dependencies = [
+ "der",
+ "pkcs8",
+ "spki",
+]
+
+[[package]]
+name = "pkcs8"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
+dependencies = [
+ "der",
+ "spki",
+]
+
 [[package]]
 name = "pkg-config"
 version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
 
+[[package]]
+name = "platforms"
+version = "3.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "626dec3cac7cc0e1577a2ec3fc496277ec2baa084bebad95bb6fdbfae235f84c"
+
 [[package]]
 name = "polling"
 version = "2.8.0"
@@ -1484,6 +2183,24 @@ version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
+[[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"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d37c51ca738a55da99dc0c4a34860fd675453b8b36209178c2249bb13651284"
+dependencies = [
+ "toml_edit",
+]
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -1612,6 +2329,16 @@ dependencies = [
  "bitflags 1.3.2",
 ]
 
+[[package]]
+name = "rfc6979"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8dd2a808d456c4a54e300a23e9f5a67e122c3024119acbfd73e3bf664491cb2"
+dependencies = [
+ "hmac 0.12.1",
+ "subtle",
+]
+
 [[package]]
 name = "ring"
 version = "0.16.20"
@@ -1642,12 +2369,41 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "ripemd"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd124222d17ad93a644ed9d011a40f4fb64aa54275c08cc216524a9ea82fb09f"
+dependencies = [
+ "digest 0.10.7",
+]
+
 [[package]]
 name = "route-recognizer"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "56770675ebc04927ded3e60633437841581c285dc6236109ea25fbf3beb7b59e"
 
+[[package]]
+name = "rsa"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d0e5124fcb30e76a7e79bfee683a2746db83784b86289f6251b54b7950a0dfc"
+dependencies = [
+ "const-oid",
+ "digest 0.10.7",
+ "num-bigint-dig",
+ "num-integer",
+ "num-traits",
+ "pkcs1",
+ "pkcs8",
+ "rand_core 0.6.4",
+ "signature",
+ "spki",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"
@@ -1660,7 +2416,16 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
 dependencies = [
- "semver",
+ "semver 0.9.0",
+]
+
+[[package]]
+name = "rustc_version"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
+dependencies = [
+ "semver 1.0.22",
 ]
 
 [[package]]
@@ -1704,6 +2469,12 @@ version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741"
 
+[[package]]
+name = "safemem"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef703b7cb59335eae2eb93ceb664c0eb7ea6bf567079d843e09420219668e072"
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -1720,6 +2491,20 @@ dependencies = [
  "untrusted 0.9.0",
 ]
 
+[[package]]
+name = "sec1"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3e97a565f76233a6003f9f5c54be1d9c5bdfa3eccfb189469f11ec4901c47dc"
+dependencies = [
+ "base16ct",
+ "der",
+ "generic-array",
+ "pkcs8",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "semver"
 version = "0.9.0"
@@ -1729,6 +2514,12 @@ dependencies = [
  "semver-parser",
 ]
 
+[[package]]
+name = "semver"
+version = "1.0.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "92d43fe69e652f3df9bdc2b85b2854a0825b86e4fb76bc44d945137d053639ca"
+
 [[package]]
 name = "semver-parser"
 version = "0.7.0"
@@ -1807,6 +2598,17 @@ dependencies = [
  "sha1_smol",
 ]
 
+[[package]]
+name = "sha1"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3bf829a2d51ab4a5ddf1352d8470c140cadc8301b2ae1789db023f01cedd6ba"
+dependencies = [
+ "cfg-if 1.0.0",
+ "cpufeatures",
+ "digest 0.10.7",
+]
+
 [[package]]
 name = "sha1_smol"
 version = "1.0.0"
@@ -1819,13 +2621,34 @@ version = "0.9.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
 dependencies = [
- "block-buffer",
+ "block-buffer 0.9.0",
  "cfg-if 1.0.0",
  "cpufeatures",
- "digest",
+ "digest 0.9.0",
  "opaque-debug",
 ]
 
+[[package]]
+name = "sha2"
+version = "0.10.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
+dependencies = [
+ "cfg-if 1.0.0",
+ "cpufeatures",
+ "digest 0.10.7",
+]
+
+[[package]]
+name = "sha3"
+version = "0.10.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75872d278a8f37ef87fa0ddbda7802605cb18344497949862c0d4dcb291eba60"
+dependencies = [
+ "digest 0.10.7",
+ "keccak",
+]
+
 [[package]]
 name = "signal-hook"
 version = "0.3.17"
@@ -1845,6 +2668,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "signature"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
+dependencies = [
+ "digest 0.10.7",
+ "rand_core 0.6.4",
+]
+
 [[package]]
 name = "simple-mutex"
 version = "1.1.5"
@@ -1917,6 +2750,16 @@ version = "0.9.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
 
+[[package]]
+name = "spki"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
+dependencies = [
+ "base64ct",
+ "der",
+]
+
 [[package]]
 name = "standback"
 version = "0.2.17"
@@ -1933,7 +2776,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d022496b16281348b52d0e30ae99e01a73d737b2f45d38fed4edf79f9325a1d5"
 dependencies = [
  "discard",
- "rustc_version",
+ "rustc_version 0.2.3",
  "stdweb-derive",
  "stdweb-internal-macros",
  "stdweb-internal-runtime",
@@ -1965,7 +2808,7 @@ dependencies = [
  "serde",
  "serde_derive",
  "serde_json",
- "sha1",
+ "sha1 0.6.1",
  "syn 1.0.109",
 ]
 
@@ -1981,6 +2824,12 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
 [[package]]
 name = "structopt"
 version = "0.3.26"
@@ -2247,6 +3096,23 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "toml_datetime"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3550f4e9685620ac18a50ed434eb3aec30db8ba93b0287467bca5826ea25baf1"
+
+[[package]]
+name = "toml_edit"
+version = "0.21.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a8534fd7f78b5405e860340ad6575217ce99f38d4d5c8f2442cb5ecb50090e1"
+dependencies = [
+ "indexmap 2.2.3",
+ "toml_datetime",
+ "winnow",
+]
+
 [[package]]
 name = "tower-service"
 version = "0.3.2"
@@ -2279,6 +3145,15 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3528ecfd12c466c6f163363caf2d02a71161dd5e1cc6ae7b34207ea2d42d81ed"
 
+[[package]]
+name = "twofish"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a78e83a30223c757c3947cd144a31014ff04298d8719ae10d03c31c0448c8013"
+dependencies = [
+ "cipher 0.4.4",
+]
+
 [[package]]
 name = "typenum"
 version = "1.17.0"
@@ -2692,3 +3567,44 @@ name = "windows_x86_64_msvc"
 version = "0.52.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0770833d60a970638e989b3fa9fd2bb1aaadcf88963d1659fd7d9990196ed2d6"
+
+[[package]]
+name = "winnow"
+version = "0.5.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f593a95398737aeed53e489c785df13f3618e41dbcd6718c6addbf1395aa6876"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "x25519-dalek"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7e468321c81fb07fa7f4c636c3972b9100f0346e5b6a9f2bd0603a52f7ed277"
+dependencies = [
+ "curve25519-dalek",
+ "rand_core 0.6.4",
+ "serde",
+ "zeroize",
+]
+
+[[package]]
+name = "zeroize"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "525b4ec142c6b68a2d10f01f7bbf6755599ca3f81ea53b8431b7dd348f5fdb2d"
+dependencies = [
+ "zeroize_derive",
+]
+
+[[package]]
+name = "zeroize_derive"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.37",
+]
diff --git a/Cargo.toml b/Cargo.toml
index abc54c8..9471dd8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,6 +13,7 @@ femme = "2.1.0"
 humantime = "2.0.1"
 hyper = { version = "0.14", features = ["tcp"] }
 log = "0.4.11"
+pgp = "0.11.0"
 serde = { version = "1.0.114", features = ["derive"] }
 sled = "0.34.2"
 structopt = "0.3.15"
diff --git a/src/main.rs b/src/main.rs
index 05de752..e6c062b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -37,16 +37,14 @@ async fn main() -> Result<()> {
     let opt = Opt::from_args();
     let certificate = std::fs::File::open(&opt.certificate_file).context("invalid certificate")?;
 
-    let state = state::State::new(&opt.db, certificate, &opt.password)?;
+    let state = state::State::new(&opt.db, certificate, &opt.password, opt.topic.clone())?;
 
     let state2 = state.clone();
     let host = opt.host.clone();
     let port = opt.port;
     let server = async_std::task::spawn(async move { server::start(state2, host, port).await });
 
-    let notif = async_std::task::spawn(async move {
-        notifier::start(state, opt.topic.as_deref(), opt.interval).await
-    });
+    let notif = async_std::task::spawn(async move { notifier::start(state, opt.interval).await });
 
     server.try_join(notif).await?;
 
diff --git a/src/notifier.rs b/src/notifier.rs
index 7af1dee..7a144c1 100644
--- a/src/notifier.rs
+++ b/src/notifier.rs
@@ -8,10 +8,11 @@ use log::*;
 
 use crate::state::State;
 
-pub async fn start(state: State, topic: Option<&str>, interval: std::time::Duration) -> Result<()> {
+pub async fn start(state: State, interval: std::time::Duration) -> Result<()> {
     let db = state.db();
     let production_client = state.production_client();
     let sandbox_client = state.sandbox_client();
+    let topic = state.topic();
 
     info!(
         "Waking up devices every {}",
@@ -56,7 +57,7 @@ async fn wakeup(
                 (production_client, device_token.as_str())
             };
 
-        // Sent silent notification.
+        // Send silent notification.
         // According to <https://developer.apple.com/documentation/usernotifications/generating-a-remote-notification>
         // to send a silent notification you need to set background notification flag `content-available` to 1
         // and don't include `alert`, `badge` or `sound`.
diff --git a/src/server.rs b/src/server.rs
index d085433..1a494a5 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -1,3 +1,7 @@
+use a2::{
+    DefaultNotificationBuilder, Error::ResponseError, NotificationBuilder, NotificationOptions,
+    Priority,
+};
 use anyhow::Result;
 use log::*;
 use serde::Deserialize;
@@ -8,6 +12,7 @@ pub async fn start(state: State, server: String, port: u16) -> Result<()> {
     let mut app = tide::with_state(state);
     app.at("/").get(|_| async { Ok("Hello, world!") });
     app.at("/register").post(register_device);
+    app.at("/notify").post(notify_device);
 
     info!("Listening on {server}:port");
     app.listen((server, port)).await?;
@@ -19,6 +24,7 @@ struct DeviceQuery {
     token: String,
 }
 
+/// Registers a device for heartbeat notifications.
 async fn register_device(mut req: tide::Request<State>) -> tide::Result<tide::Response> {
     let query: DeviceQuery = req.body_json().await?;
     info!("register_device {}", query.token);
@@ -29,3 +35,56 @@ async fn register_device(mut req: tide::Request<State>) -> tide::Result<tide::Re
 
     Ok(tide::Response::new(tide::StatusCode::Ok))
 }
+
+/// Notifies a single device with a visible notification.
+async fn notify_device(mut req: tide::Request<State>) -> tide::Result<tide::Response> {
+    let device_token = req.body_string().await?;
+    info!("Got direct notification for {device_token}.");
+
+    let (client, device_token) = if let Some(sandbox_token) = device_token.strip_prefix("sandbox:")
+    {
+        (req.state().sandbox_client(), sandbox_token)
+    } else {
+        (req.state().production_client(), device_token.as_str())
+    };
+
+    let db = req.state().db();
+    let payload = DefaultNotificationBuilder::new()
+        .set_title("New messages")
+        .set_title_loc_key("newmessage") // Localization key for the title.
+        .set_body("You could have new messages")
+        .set_loc_key("newmessagebody") // Localization key for the body.
+        .set_mutable_content()
+        .build(
+            device_token,
+            NotificationOptions {
+                // High priority (10).
+                // <https://developer.apple.com/documentation/usernotifications/sending-notification-requests-to-apns>
+                apns_priority: Some(Priority::High),
+                apns_topic: req.state().topic(),
+                ..Default::default()
+            },
+        );
+
+    match client.send(payload).await {
+        Ok(res) => match res.code {
+            200 => {
+                info!("delivered notification for {}", device_token);
+            }
+            _ => {
+                warn!("unexpected status: {:?}", res);
+            }
+        },
+        Err(ResponseError(res)) => {
+            info!("Removing token {} due to error {:?}.", &device_token, res);
+            if let Err(err) = db.remove(device_token) {
+                error!("failed to remove {}: {:?}", &device_token, err);
+            }
+        }
+        Err(err) => {
+            error!("failed to send notification: {}, {:?}", device_token, err);
+        }
+    }
+
+    Ok(tide::Response::new(tide::StatusCode::Ok))
+}
diff --git a/src/state.rs b/src/state.rs
index 5868000..0a79615 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -18,10 +18,17 @@ pub struct InnerState {
     production_client: Client,
 
     sandbox_client: Client,
+
+    topic: Option<String>,
 }
 
 impl State {
-    pub fn new(db: &PathBuf, mut certificate: std::fs::File, password: &str) -> Result<Self> {
+    pub fn new(
+        db: &PathBuf,
+        mut certificate: std::fs::File,
+        password: &str,
+        topic: Option<String>,
+    ) -> Result<Self> {
         let db = sled::open(db)?;
         let production_client =
             Client::certificate(&mut certificate, password, Endpoint::Production)
@@ -37,6 +44,7 @@ impl State {
                 db,
                 production_client,
                 sandbox_client,
+                topic,
             }),
         })
     }
@@ -52,4 +60,8 @@ impl State {
     pub fn sandbox_client(&self) -> &Client {
         &self.inner.sandbox_client
     }
+
+    pub fn topic(&self) -> Option<&str> {
+        self.inner.topic.as_deref()
+    }
 }