From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 17 Jun 2020 22:03:32 +0000 (+0100)
Subject: update, wip handy
X-Git-Tag: otter-0.2.0~1580
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=23351419fc2086120c86d8e021c40cf1361093ec;p=otter.git

update, wip handy
---

diff --git a/Cargo.lock.example b/Cargo.lock.example
index 3e6f1b53..d2351096 100644
--- a/Cargo.lock.example
+++ b/Cargo.lock.example
@@ -2,13 +2,74 @@
 # It is not intended for manual editing.
 [[package]]
 name = "addr2line"
-version = "0.12.0"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "456d75cbb82da1ad150c8a9d97285ffcd21c9931dcb11e995903e7d75141b38b"
+checksum = "a49806b9dadc843c61e7c97e72490ad7f7220ae249012fbda9ad0609457c0543"
 dependencies = [
  "gimli",
 ]
 
+[[package]]
+name = "adler32"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "567b077b825e468cc974f0020d4082ee6e03132512f207ef1a02fd5d00d1f32d"
+
+[[package]]
+name = "aead"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cf01b9b56e767bb57b94ebf91a58b338002963785cdd7013e21c0d4679471e4"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "aes"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "54eb1d8fe354e5fc611daf4f2ea97dd45a765f4f1e4512306ec183ae2e8f20c9"
+dependencies = [
+ "aes-soft",
+ "aesni",
+ "block-cipher-trait",
+]
+
+[[package]]
+name = "aes-gcm"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "834a6bda386024dbb7c8fc51322856c10ffe69559f972261c868485f5759c638"
+dependencies = [
+ "aead",
+ "aes",
+ "block-cipher-trait",
+ "ghash",
+ "subtle 2.2.3",
+ "zeroize",
+]
+
+[[package]]
+name = "aes-soft"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cfd7e7ae3f9a1fb5c03b389fc6bb9a51400d0c13053f0dca698c832bfd893a0d"
+dependencies = [
+ "block-cipher-trait",
+ "byteorder",
+ "opaque-debug",
+]
+
+[[package]]
+name = "aesni"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f70a6b5f971e473091ab7cfb5ffac6cde81666c4556751d8d5620ead8abf100"
+dependencies = [
+ "block-cipher-trait",
+ "opaque-debug",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "0.7.10"
@@ -43,13 +104,14 @@ checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
 
 [[package]]
 name = "backtrace"
-version = "0.3.48"
+version = "0.3.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0df2f85c8a2abbe3b7d7e748052fdd9b76a0458fdeb16ad4223f5eca78c7c130"
+checksum = "05100821de9e028f12ae3d189176b41ee198341eb8f369956407fea2f5cc666c"
 dependencies = [
  "addr2line",
  "cfg-if",
  "libc",
+ "miniz_oxide",
  "object",
  "rustc-demangle",
 ]
@@ -66,12 +128,9 @@ dependencies = [
 
 [[package]]
 name = "base64"
-version = "0.10.1"
+version = "0.12.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b25d992356d2eb0ed82172f5248873db5560c4721f564b13cb5193bda5e668e"
-dependencies = [
- "byteorder",
-]
+checksum = "e223af0dc48c96d4f8342ec01a4974f139df863896b316681efd36742f22cc67"
 
 [[package]]
 name = "bitflags"
@@ -91,6 +150,15 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "block-cipher-trait"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c924d49bd09e7c06003acda26cd9742e796e34282ec6c1189404dee0c1f4774"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "block-padding"
 version = "0.1.5"
@@ -112,12 +180,6 @@ version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 
-[[package]]
-name = "cc"
-version = "1.0.53"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "404b1fe4f65288577753b17e3b36a04596ee784493ec249bf81c7f2d2acd751c"
-
 [[package]]
 name = "cfg-if"
 version = "0.1.10"
@@ -137,14 +199,28 @@ dependencies = [
 
 [[package]]
 name = "cookie"
-version = "0.11.2"
+version = "0.11.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9fac5e7bdefb6160fb181ee0eaa6f96704b625c70e6d61c465cb35750a4ea12"
+checksum = "5795cda0897252e34380a27baf884c53aa7ad9990329cdad96d4c5d027015d44"
 dependencies = [
- "base64 0.9.3",
- "ring",
+ "aes-gcm",
+ "base64 0.12.2",
+ "hkdf",
+ "hmac",
+ "percent-encoding 2.1.0",
+ "rand",
+ "sha2",
  "time",
- "url",
+]
+
+[[package]]
+name = "crypto-mac"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4434400df11d95d556bac068ddfedd482915eb18fe8bea89bc80b6e4b1c179e5"
+dependencies = [
+ "generic-array",
+ "subtle 1.0.0",
 ]
 
 [[package]]
@@ -201,7 +277,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d371106cc88ffdfb1eabd7111e432da544f16f3e2d7bf1dfe8bf575f1df045cd"
 dependencies = [
  "backtrace",
- "version_check 0.9.1",
+ "version_check 0.9.2",
 ]
 
 [[package]]
@@ -262,6 +338,7 @@ name = "game"
 version = "0.0.1"
 dependencies = [
  "anyhow",
+ "handy",
  "rocket",
  "rocket_contrib",
  "serde",
@@ -278,6 +355,26 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7abc8dd8451921606d809ba32e95b6111925cd2906060d2dcc29c070220503eb"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
+[[package]]
+name = "ghash"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f0930ed19a7184089ea46d2fedead2f6dc2b674c5db4276b7da336c7cd83252"
+dependencies = [
+ "polyval",
+]
+
 [[package]]
 name = "gimli"
 version = "0.21.0"
@@ -296,15 +393,41 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
 
+[[package]]
+name = "handy"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16f34b69169cb5fd54c16a78263646423db7bf3bed9b680098798857b1b961a1"
+
 [[package]]
 name = "hermit-abi"
-version = "0.1.13"
+version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91780f809e750b0a89f5544be56617ff6b1227ee485bcb06ebe10cdf89bd3b71"
+checksum = "b9586eedd4ce6b3c498bc3b4dd92fc9f11166aa908a914071953768066c67909"
 dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "hkdf"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fa08a006102488bd9cd5b8013aabe84955cf5ae22e304c2caf655b633aefae3"
+dependencies = [
+ "digest",
+ "hmac",
+]
+
+[[package]]
+name = "hmac"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5dcb5e64cda4c23119ab41ba960d1e170a774c8e4b9d9e6a9bc18aabf5e59695"
+dependencies = [
+ "crypto-mac",
+ "digest",
+]
+
 [[package]]
 name = "httparse"
 version = "1.3.4"
@@ -349,18 +472,18 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.3.2"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "076f042c5b7b98f31d205f1249267e12a6518c1481e9dae9764af19b707d2292"
+checksum = "c398b2b113b55809ceb9ee3e753fcbac793f1956663f3c36549c1346015c2afe"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "inotify"
-version = "0.7.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24e40d6fd5d64e2082e0c796495c8ef5ad667a96d03e5aaa0becfd9d47bcbfb8"
+checksum = "4816c66d2c8ae673df83366c18341538f234a26d65a9ecea5c348b453ac1d02f"
 dependencies = [
  "bitflags",
  "inotify-sys",
@@ -387,9 +510,9 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "0.4.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8b7a7c0c47db5545ed3fef7468ee7bb5b74691498139e4b3f6a20685dc6dd8e"
+checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
 
 [[package]]
 name = "kernel32-sys"
@@ -421,9 +544,9 @@ checksum = "b294d6fa9ee409a054354afc4352b0b9ef7ca222c69b8812cbea9e7d2bf3783f"
 
 [[package]]
 name = "libc"
-version = "0.2.70"
+version = "0.2.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3baa92041a6fec78c687fa0cc2b3fae8884f743d672cf551bed1d6dac6988d0f"
+checksum = "9457b06509d27052635f90d6466700c65095fdf75409b3fbdd903e988b886f49"
 
 [[package]]
 name = "log"
@@ -470,6 +593,15 @@ dependencies = [
  "log 0.3.9",
 ]
 
+[[package]]
+name = "miniz_oxide"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "791daaae1ed6889560f8c4359194f56648355540573244a5448a83ba1ecc7435"
+dependencies = [
+ "adler32",
+]
+
 [[package]]
 name = "mio"
 version = "0.6.22"
@@ -544,9 +676,9 @@ dependencies = [
 
 [[package]]
 name = "num-integer"
-version = "0.1.42"
+version = "0.1.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f6ea62e9d81a77cd3ee9a2a5b9b609447857f3d358704331e4ef39eb247fcba"
+checksum = "8d59457e662d541ba17869cf51cf177c0b5f0cbf476c66bdc90bf1edac4f875b"
 dependencies = [
  "autocfg",
  "num-traits",
@@ -554,9 +686,9 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.11"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c62be47e61d1842b9170f0fdeec8eba98e60e90e5446449a0545e5152acd7096"
+checksum = "ac267bcc07f48ee5f8935ab0d24f316fb722d7a1292e2913f0cc196b29ffd611"
 dependencies = [
  "autocfg",
 ]
@@ -573,9 +705,9 @@ dependencies = [
 
 [[package]]
 name = "object"
-version = "0.19.0"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9cbca9424c482ee628fa549d9c812e2cd22f1180b9222c9200fdfa6eb31aecb2"
+checksum = "1ab52be62400ca80aa00285d25253d7f7c437b7375c4de678f5405d3afe82ca5"
 
 [[package]]
 name = "opaque-debug"
@@ -585,24 +717,24 @@ checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
 
 [[package]]
 name = "pear"
-version = "0.1.2"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c26d2b92e47063ffce70d3e3b1bd097af121a9e0db07ca38a6cc1cf0cc85ff25"
+checksum = "5320f212db967792b67cfe12bd469d08afd6318a249bd917d5c19bc92200ab8a"
 dependencies = [
  "pear_codegen",
 ]
 
 [[package]]
 name = "pear_codegen"
-version = "0.1.2"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "336db4a192cc7f54efeb0c4e11a9245394824cc3bcbd37ba3ff51240c35d7a6e"
+checksum = "bfc1c836fdc3d1ef87c348b237b5b5c4dff922156fb2d968f57734f9669768ca"
 dependencies = [
  "proc-macro2 0.4.30",
  "quote 0.6.13",
  "syn 0.15.44",
- "version_check 0.1.5",
- "yansi 0.4.0",
+ "version_check 0.9.2",
+ "yansi",
 ]
 
 [[package]]
@@ -611,6 +743,12 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "31010dd2e1ac33d5b46a5b413495239882813e0369f8ed8a5e266f173602f831"
 
+[[package]]
+name = "percent-encoding"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
+
 [[package]]
 name = "pest"
 version = "2.1.3"
@@ -638,9 +776,9 @@ checksum = "99b8db626e31e5b81787b9783425769681b347011cc59471e33ea46d2ea0cf55"
 dependencies = [
  "pest",
  "pest_meta",
- "proc-macro2 1.0.13",
- "quote 1.0.5",
- "syn 1.0.22",
+ "proc-macro2 1.0.18",
+ "quote 1.0.7",
+ "syn 1.0.31",
 ]
 
 [[package]]
@@ -654,6 +792,22 @@ dependencies = [
  "sha-1",
 ]
 
+[[package]]
+name = "polyval"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ec3341498978de3bfd12d1b22f1af1de22818f5473a11e8a6ef997989e3a212"
+dependencies = [
+ "cfg-if",
+ "universal-hash",
+]
+
+[[package]]
+name = "ppv-lite86"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "237a5ed80e274dbc66f86bd59c1e25edc039660be53194b5fe0a482e0f2612ea"
+
 [[package]]
 name = "proc-macro2"
 version = "0.4.30"
@@ -665,9 +819,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.13"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53f5ffe53a6b28e37c9c1ce74893477864d64f74778a93a4beb43c8fa167f639"
+checksum = "beae6331a816b1f65d04c45b078fd8e6c93e8071771f41b8163255bbd8d7c8fa"
 dependencies = [
  "unicode-xid 0.2.0",
 ]
@@ -683,11 +837,52 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.5"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
+dependencies = [
+ "proc-macro2 1.0.18",
+]
+
+[[package]]
+name = "rand"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42934bc9c8ab0d3b273a16d8551c8f0fcff46be73276ca083ec2414c15c4ba5e"
+checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
- "proc-macro2 1.0.13",
+ "getrandom",
+ "libc",
+ "rand_chacha",
+ "rand_core",
+ "rand_hc",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
+dependencies = [
+ "getrandom",
+]
+
+[[package]]
+name = "rand_hc"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
+dependencies = [
+ "rand_core",
 ]
 
 [[package]]
@@ -698,9 +893,9 @@ checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
 
 [[package]]
 name = "regex"
-version = "1.3.7"
+version = "1.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6020f034922e3194c711b82a627453881bc4682166cabb07134a10c26ba7692"
+checksum = "9c3780fcf44b193bc4d09f36d2a3c87b251da4a046c87795a0d35f4f927ad8e6"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -710,30 +905,18 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.17"
+version = "0.6.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fe5bd57d1d7414c6b5ed48563a2c855d995ff777729dcd91c369ec7fea395ae"
-
-[[package]]
-name = "ring"
-version = "0.13.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c4db68a2e35f3497146b7e4563df7d4773a2433230c5e4b448328e31740458a"
-dependencies = [
- "cc",
- "lazy_static",
- "libc",
- "untrusted",
-]
+checksum = "26412eb97c6b088a6997e05f69403a802a92d520de2f8e63c2b65f9e0f47c4e8"
 
 [[package]]
 name = "rocket"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e20afbad214b001cabbe31dd270b48b3be980a7153ee2ed8392e241f856d651b"
+checksum = "6130967b369cfb8411b0b73e96fcba1229c32a9cc6f295d144f879bfced13c6e"
 dependencies = [
  "atty",
- "base64 0.10.1",
+ "base64 0.12.2",
  "log 0.4.8",
  "memchr",
  "num_cpus",
@@ -743,30 +926,30 @@ dependencies = [
  "state",
  "time",
  "toml",
- "version_check 0.9.1",
- "yansi 0.5.0",
+ "version_check 0.9.2",
+ "yansi",
 ]
 
 [[package]]
 name = "rocket_codegen"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2108b35e2c3a35759d3f16cc3002ece05523191d884d3ad6523693fd43324dde"
+checksum = "cb852e6da168fb948a8f2b798ba2e2f0e4fc860eae0efa9cf2bf0f5466bb0425"
 dependencies = [
  "devise",
  "glob 0.3.0",
  "indexmap",
  "quote 0.6.13",
  "rocket_http",
- "version_check 0.9.1",
- "yansi 0.5.0",
+ "version_check 0.9.2",
+ "yansi",
 ]
 
 [[package]]
 name = "rocket_contrib"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a10e7471279bc2d4a21b6fddd9589016bb119e6fbb547b216dd54ef237f28341"
+checksum = "e3946ca815127041d8f64455561031d058c22ae1b135251502c5ea523cf9e14b"
 dependencies = [
  "glob 0.3.0",
  "log 0.4.8",
@@ -780,15 +963,15 @@ dependencies = [
 
 [[package]]
 name = "rocket_http"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ce8ca76247376ea21cf271af0f95e3f2014596e3e4c7cc04e44ee6242a40ff2"
+checksum = "1aff5a5480175f2f553a876b251e9350c74196128806d176da3a51c82aab5428"
 dependencies = [
  "cookie",
  "hyper",
  "indexmap",
  "pear",
- "percent-encoding",
+ "percent-encoding 1.0.1",
  "smallvec",
  "state",
  "time",
@@ -803,9 +986,9 @@ checksum = "4c691c0e608126e00913e33f0ccf3727d5fc84573623b8d65b2df340b5201783"
 
 [[package]]
 name = "ryu"
-version = "1.0.4"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed3d612bc64430efeb3f7ee6ef26d590dce0c43249217bddc62112540c7941e1"
+checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
 [[package]]
 name = "safemem"
@@ -824,29 +1007,29 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.110"
+version = "1.0.112"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99e7b308464d16b56eba9964e4972a3eee817760ab60d88c3f86e1fecb08204c"
+checksum = "736aac72d1eafe8e5962d1d1c3d99b0df526015ba40915cb3c49d042e92ec243"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.110"
+version = "1.0.112"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "818fbf6bfa9a42d3bfcaca148547aa00c7b915bec71d1757aa2d44ca68771984"
+checksum = "bf0343ce212ac0d3d6afd9391ac8e9c9efe06b533c8d33f660f6390cc4093f57"
 dependencies = [
- "proc-macro2 1.0.13",
- "quote 1.0.5",
- "syn 1.0.22",
+ "proc-macro2 1.0.18",
+ "quote 1.0.7",
+ "syn 1.0.31",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.53"
+version = "1.0.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "993948e75b189211a9b31a7528f950c6adc21f9720b6438ff80a7fa2f864cea2"
+checksum = "ec2c5d7e739bc07a3e73381a39d61fdb5f671c60c1df26a130690665803d8226"
 dependencies = [
  "itoa",
  "ryu",
@@ -865,6 +1048,18 @@ dependencies = [
  "opaque-debug",
 ]
 
+[[package]]
+name = "sha2"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a256f46ea78a0c0d9ff00077504903ac881a1dafdc20da66545699e7776b3e69"
+dependencies = [
+ "block-buffer",
+ "digest",
+ "fake-simd",
+ "opaque-debug",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.2"
@@ -892,6 +1087,18 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7345c971d1ef21ffdbd103a75990a15eb03604fc8b8852ca8cb418ee1a099028"
 
+[[package]]
+name = "subtle"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d67a5a62ba6e01cb2192ff309324cb4875d0c451d55fe2319433abe7a05a8ee"
+
+[[package]]
+name = "subtle"
+version = "2.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "502d53007c02d7605a05df1c1a73ee436952781653da5d0bf57ad608f66932c1"
+
 [[package]]
 name = "syn"
 version = "0.15.44"
@@ -905,12 +1112,12 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.22"
+version = "1.0.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1425de3c33b0941002740a420b1a906a350b88d08b82b2c8a01035a3f9447bac"
+checksum = "b5304cfdf27365b7585c25d4af91b35016ed21ef88f17ced89c7093b43dba8b6"
 dependencies = [
- "proc-macro2 1.0.13",
- "quote 1.0.5",
+ "proc-macro2 1.0.18",
+ "quote 1.0.7",
  "unicode-xid 0.2.0",
 ]
 
@@ -937,22 +1144,22 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.18"
+version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5976891d6950b4f68477850b5b9e5aa64d955961466f9e174363f573e54e8ca7"
+checksum = "7dfdd070ccd8ccb78f4ad66bf1982dc37f620ef696c6b5028fe2ed83dd3d0d08"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.18"
+version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab81dbd1cd69cd2ce22ecfbdd3bdb73334ba25350649408cc6c085f46d89573d"
+checksum = "bd80fc12f73063ac132ac92aceea36734f04a1d93c1240c6944e23a3b8841793"
 dependencies = [
- "proc-macro2 1.0.13",
- "quote 1.0.5",
- "syn 1.0.22",
+ "proc-macro2 1.0.18",
+ "quote 1.0.7",
+ "syn 1.0.31",
 ]
 
 [[package]]
@@ -974,6 +1181,12 @@ dependencies = [
  "winapi 0.3.8",
 ]
 
+[[package]]
+name = "tinyvec"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53953d2d3a5ad81d9f844a32f14ebb121f50b650cd59d0ee2a07cf13c617efed"
+
 [[package]]
 name = "toml"
 version = "0.4.10"
@@ -1077,11 +1290,11 @@ dependencies = [
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.12"
+version = "0.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5479532badd04e128284890390c1e876ef7a993d0570b3597ae43dfa1d59afa4"
+checksum = "6fb19cf769fa8c6a80a162df694621ebeb4dafb606470b2b2fce0be40a98a977"
 dependencies = [
- "smallvec",
+ "tinyvec",
 ]
 
 [[package]]
@@ -1097,10 +1310,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
 
 [[package]]
-name = "untrusted"
-version = "0.6.2"
+name = "universal-hash"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55cd1f4b4e96b46aeb8d4855db4a7a9bd96eeeb5c6a1ab54593328761642ce2f"
+checksum = "df0c900f2f9b4116803415878ff48b63da9edb268668e08cf9292d7503114a01"
+dependencies = [
+ "generic-array",
+ "subtle 2.2.3",
+]
 
 [[package]]
 name = "url"
@@ -1110,7 +1327,7 @@ checksum = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"
 dependencies = [
  "idna",
  "matches",
- "percent-encoding",
+ "percent-encoding 1.0.1",
 ]
 
 [[package]]
@@ -1121,9 +1338,9 @@ checksum = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
 
 [[package]]
 name = "version_check"
-version = "0.9.1"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "078775d0255232fb988e6fccf26ddc9d1ac274299aaedcedce21c6f72cc533ce"
+checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
 
 [[package]]
 name = "walkdir"
@@ -1136,6 +1353,12 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "wasi"
+version = "0.9.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
+
 [[package]]
 name = "winapi"
 version = "0.2.8"
@@ -1191,12 +1414,12 @@ dependencies = [
 
 [[package]]
 name = "yansi"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d60c3b48c9cdec42fb06b3b84b5b087405e1fa1c644a1af3930e4dfafe93de48"
+checksum = "9fc79f4a1e39857fc00c3f662cbf2651c771f00e9c15fe2abc341806bd46bd71"
 
 [[package]]
-name = "yansi"
-version = "0.5.0"
+name = "zeroize"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fc79f4a1e39857fc00c3f662cbf2651c771f00e9c15fe2abc341806bd46bd71"
+checksum = "3cbac2ed2ba24cc90f5e06485ac8c7c1e5449fe8911aef4d8877218af021a5b8"
diff --git a/Cargo.toml b/Cargo.toml
index 9131c9c6..f87aeb94 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,6 +22,8 @@ thiserror = "1"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 
+handy = "0.1"
+
 rocket = "0.4"
 rocket_contrib = { version = "0.4", default-features=false, features=["tera_templates","helmet"] }