From 075bb00d09298a847058a67bbfe2fbb58dbbe338 Mon Sep 17 00:00:00 2001
From: sashei <sashaheinen@gmail.com>
Date: Wed, 14 Mar 2018 11:07:38 -0600
Subject: [PATCH] Added `touch` method to set last_used property without
 altering `modified

---
 lib/datastore.js       |   44 +
 package-lock.json      | 2146 ++++++++++++++++++++++++++++++++--------
 test/datastore-test.js |   78 ++
 3 files changed, 1861 insertions(+), 407 deletions(-)

diff --git a/lib/datastore.js b/lib/datastore.js
index 162c37b..0e76e5f 100644
--- a/lib/datastore.js
+++ b/lib/datastore.js
@@ -420,6 +420,50 @@ class DataStore {
 
     return item;
   }
+  /**
+   * Touches an existing item in this DataStore.
+   *
+   * `{item}` is expected to be a complete object. API users should call
+   * {@link #get}, then pass the returned value to `{touch}`
+   *
+   * @param {Object} item The item to touch
+   * @returns {Object} The updated item
+   * @throws {Error} if this item does not exist
+   * @throws {TypeError} if `item` is not an object with a `id` member
+   * @throws {DataStoreError} if the `item` violates the schema
+   */
+  async touch(item) {
+    checkState(this);
+
+    let self = instance.get(this);
+    if (!item || !item.id) {
+      throw new DataStoreError(DataStoreError.INVALID_ITEM);
+    }
+
+    let id = item.id;
+    let record = await self.ldb.items.get(id);
+    let orig, encrypted;
+    if (!record) {
+      throw new DataStoreError(DataStoreError.MISSING_ITEM);
+    } else {
+      encrypted = record.encrypted;
+    }
+
+    orig = await self.keystore.unprotect(id, encrypted);
+
+    orig.last_used = new Date().toISOString();
+    encrypted = await self.keystore.protect(orig);
+
+    record = {
+      id,
+      encrypted,
+      last_used: record.last_used
+    };
+
+    await self.ldb.items.put(record);
+    self.recordMetric("touched", item.id);
+    return orig;
+  }
   /**
    * Removes an item from this DataStore.
    *
diff --git a/package-lock.json b/package-lock.json
index fb8ebe4..993069e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,13 +21,30 @@
       "dev": true
     },
     "accepts": {
-      "version": "1.3.3",
-      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.3.tgz",
-      "integrity": "sha1-w8p0NJOGSMPg2cHjKN1otiLChMo=",
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
+      "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
       "dev": true,
       "requires": {
-        "mime-types": "2.1.16",
+        "mime-types": "2.1.18",
         "negotiator": "0.6.1"
+      },
+      "dependencies": {
+        "mime-db": {
+          "version": "1.33.0",
+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.33.0.tgz",
+          "integrity": "sha512-BHJ/EKruNIqJf/QahvxwQZXKygOQ256myeN/Ew+THcAa5q+PjyTTMMeNQC4DZw5AwfvelsUrA6B67NKMqXDbzQ==",
+          "dev": true
+        },
+        "mime-types": {
+          "version": "2.1.18",
+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.18.tgz",
+          "integrity": "sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==",
+          "dev": true,
+          "requires": {
+            "mime-db": "1.33.0"
+          }
+        }
       }
     },
     "acorn": {
@@ -70,12 +87,55 @@
         }
       }
     },
+    "acorn-node": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/acorn-node/-/acorn-node-1.3.0.tgz",
+      "integrity": "sha512-efP54n3d1aLfjL2UMdaXa6DsswwzJeI5rqhbFvXMrKiJ6eJFpf+7R0zN7t8IC+XKn2YOAFAv6xbBNgHUkoHWLw==",
+      "dev": true,
+      "requires": {
+        "acorn": "5.5.3",
+        "xtend": "4.0.1"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "5.5.3",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.5.3.tgz",
+          "integrity": "sha512-jd5MkIUlbbmb07nXH0DT3y7rDVtkzDi4XZOUVWAer8ajmF/DTSSbl5oNFyDOl/OXA33Bl79+ypHhl2pN20VeOQ==",
+          "dev": true
+        }
+      }
+    },
+    "addressparser": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/addressparser/-/addressparser-1.0.1.tgz",
+      "integrity": "sha1-R6++GiqSYhkdtoOOT9HTm0CCF0Y=",
+      "dev": true,
+      "optional": true
+    },
     "after": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
       "integrity": "sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8=",
       "dev": true
     },
+    "agent-base": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-2.1.1.tgz",
+      "integrity": "sha1-1t4Q1a9hMtW9aSQn1G/FOFOQlMc=",
+      "dev": true,
+      "requires": {
+        "extend": "3.0.1",
+        "semver": "5.0.3"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "5.0.3",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.0.3.tgz",
+          "integrity": "sha1-d0Zt5YnNXTyV8TiqeLxWmjy10no=",
+          "dev": true
+        }
+      }
+    },
     "ajv": {
       "version": "5.2.2",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.2.2.tgz",
@@ -111,6 +171,49 @@
       "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
       "dev": true
     },
+    "amqplib": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/amqplib/-/amqplib-0.5.2.tgz",
+      "integrity": "sha512-l9mCs6LbydtHqRniRwYkKdqxVa6XMz3Vw1fh+2gJaaVgTM6Jk3o8RccAKWKtlhT1US5sWrFh+KKxsVUALURSIA==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "bitsyntax": "0.0.4",
+        "bluebird": "3.5.1",
+        "buffer-more-ints": "0.0.2",
+        "readable-stream": "1.1.14",
+        "safe-buffer": "5.1.1"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
+          "dev": true,
+          "optional": true
+        },
+        "readable-stream": {
+          "version": "1.1.14",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
+            "isarray": "0.0.1",
+            "string_decoder": "0.10.31"
+          }
+        },
+        "string_decoder": {
+          "version": "0.10.31",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
+          "dev": true,
+          "optional": true
+        }
+      }
+    },
     "ansi-escapes": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-2.0.0.tgz",
@@ -190,6 +293,12 @@
       "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=",
       "dev": true
     },
+    "array-filter": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/array-filter/-/array-filter-0.0.1.tgz",
+      "integrity": "sha1-fajPLiZijtcygDWB/SH2fKzS7uw=",
+      "dev": true
+    },
     "array-find-index": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/array-find-index/-/array-find-index-1.0.2.tgz",
@@ -202,6 +311,18 @@
       "integrity": "sha1-hlv3+K851rCYLGCQKRSsdrwBCPY=",
       "dev": true
     },
+    "array-map": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/array-map/-/array-map-0.0.0.tgz",
+      "integrity": "sha1-iKK6tz0c97zVwbEYoAP2b2ZfpmI=",
+      "dev": true
+    },
+    "array-reduce": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/array-reduce/-/array-reduce-0.0.0.tgz",
+      "integrity": "sha1-FziZ0//Rx9k4PkR5Ul2+J4yrXys=",
+      "dev": true
+    },
     "array-slice": {
       "version": "0.2.3",
       "resolved": "https://registry.npmjs.org/array-slice/-/array-slice-0.2.3.tgz",
@@ -230,9 +351,9 @@
       "dev": true
     },
     "arraybuffer.slice": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.6.tgz",
-      "integrity": "sha1-8zshWfBTKj8xB6JywMz70a0peco=",
+      "version": "0.0.7",
+      "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.7.tgz",
+      "integrity": "sha512-wGUIVQXuehL5TCqQun8OW81jGzAWycqzFF8lFp+GOM5BXLYj3bKNsYC4daB7n6XjCqxQA/qgTJ+8ANR3acjrog==",
       "dev": true
     },
     "arrify": {
@@ -279,6 +400,30 @@
       "integrity": "sha1-E8pRXYYgbaC6xm6DTdOX2HWBCUw=",
       "dev": true
     },
+    "ast-types": {
+      "version": "0.11.3",
+      "resolved": "https://registry.npmjs.org/ast-types/-/ast-types-0.11.3.tgz",
+      "integrity": "sha512-XA5o5dsNw8MhyW0Q7MWXJWc4oOzZKbdsEJq45h7c8q/d9DwWZ5F2ugUc1PuMLPGsUnphCt/cNDHu8JeBbxf1qA==",
+      "dev": true,
+      "optional": true
+    },
+    "astw": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/astw/-/astw-2.2.0.tgz",
+      "integrity": "sha1-e9QXhNMkk5h66yOba04cV6hzuRc=",
+      "dev": true,
+      "requires": {
+        "acorn": "4.0.13"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "4.0.13",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
+          "integrity": "sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c=",
+          "dev": true
+        }
+      }
+    },
     "async": {
       "version": "0.9.2",
       "resolved": "https://registry.npmjs.org/async/-/async-0.9.2.tgz",
@@ -291,6 +436,12 @@
       "integrity": "sha1-GdOGodntxufByF04iu28xW0zYC0=",
       "dev": true
     },
+    "async-limiter": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
+      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==",
+      "dev": true
+    },
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -315,6 +466,16 @@
       "integrity": "sha1-g+9cqGCysy5KDe7e6MdxudtXRx4=",
       "dev": true
     },
+    "axios": {
+      "version": "0.15.3",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.15.3.tgz",
+      "integrity": "sha1-LJ1jiy4ZGgjqHWzJiOrda6W9wFM=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "follow-redirects": "1.0.0"
+      }
+    },
     "babel-code-frame": {
       "version": "6.22.0",
       "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.22.0.tgz",
@@ -1763,6 +1924,50 @@
       "integrity": "sha1-ZlBsFs5vTWkopbPNajPKQelB43s=",
       "dev": true
     },
+    "bitsyntax": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/bitsyntax/-/bitsyntax-0.0.4.tgz",
+      "integrity": "sha1-6xDMb4K4xJDj6FaY8H6D1G4MuoI=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "buffer-more-ints": "0.0.2"
+      }
+    },
+    "bl": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-1.1.2.tgz",
+      "integrity": "sha1-/cqHGplxOqANGeO7ukHER4emU5g=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "readable-stream": "2.0.6"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "2.0.6",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
+          "integrity": "sha1-j5A0HmilPMySh4jaz80Rs265t44=",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
+            "isarray": "1.0.0",
+            "process-nextick-args": "1.0.7",
+            "string_decoder": "0.10.31",
+            "util-deprecate": "1.0.2"
+          }
+        },
+        "string_decoder": {
+          "version": "0.10.31",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
+          "dev": true,
+          "optional": true
+        }
+      }
+    },
     "blob": {
       "version": "0.0.4",
       "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.4.tgz",
@@ -1770,9 +1975,9 @@
       "dev": true
     },
     "bluebird": {
-      "version": "3.5.0",
-      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.0.tgz",
-      "integrity": "sha1-eRQg1/VR7qKJdFOop3ZT+WYG1nw=",
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
+      "integrity": "sha512-MKiLiV+I1AA596t9w1sQJ8jkiSr5+ZKi0WKrYGUn6d1Fx+Ij4tIj+m2WMQSGczs5jZVxV339chE8iwk6F64wjA==",
       "dev": true
     },
     "bn.js": {
@@ -1818,36 +2023,42 @@
       }
     },
     "body-parser": {
-      "version": "1.17.2",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.17.2.tgz",
-      "integrity": "sha1-+IkqvI+eYn1Crtr7yma/WrmRBO4=",
+      "version": "1.18.2",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.2.tgz",
+      "integrity": "sha1-h2eKGdhLR9hZuDGZvVm84iKxBFQ=",
       "dev": true,
       "requires": {
-        "bytes": "2.4.0",
-        "content-type": "1.0.2",
-        "debug": "2.6.7",
-        "depd": "1.1.1",
+        "bytes": "3.0.0",
+        "content-type": "1.0.4",
+        "debug": "2.6.9",
+        "depd": "1.1.2",
         "http-errors": "1.6.2",
-        "iconv-lite": "0.4.15",
+        "iconv-lite": "0.4.19",
         "on-finished": "2.3.0",
-        "qs": "6.4.0",
-        "raw-body": "2.2.0",
-        "type-is": "1.6.15"
+        "qs": "6.5.1",
+        "raw-body": "2.3.2",
+        "type-is": "1.6.16"
       },
       "dependencies": {
         "debug": {
-          "version": "2.6.7",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.7.tgz",
-          "integrity": "sha1-krrR9tBbu2u6Isyoi80OyJTChh4=",
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
           "dev": true,
           "requires": {
             "ms": "2.0.0"
           }
         },
         "iconv-lite": {
-          "version": "0.4.15",
-          "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.15.tgz",
-          "integrity": "sha1-/iZaIYrGpXz+hUkn6dBMGYJe3es=",
+          "version": "0.4.19",
+          "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.19.tgz",
+          "integrity": "sha512-oTZqweIP51xaGPI4uPa56/Pri/480R+mo7SeU+YETByQNhDG55ycFyNLIgta9vXhILrxXDmF7ZGhqZIcuN0gJQ==",
+          "dev": true
+        },
+        "qs": {
+          "version": "6.5.1",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.1.tgz",
+          "integrity": "sha512-eRzhrN1WSINYCDCbrz796z37LOe3m5tmW7RQf6oBntukAG1nmovJvhnwHHRMAfeoItc1m2Hk02WER2aQ/iqs+A==",
           "dev": true
         }
       }
@@ -1888,6 +2099,20 @@
       "integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=",
       "dev": true
     },
+    "browser-pack": {
+      "version": "6.0.4",
+      "resolved": "https://registry.npmjs.org/browser-pack/-/browser-pack-6.0.4.tgz",
+      "integrity": "sha512-Q4Rvn7P6ObyWfc4stqLWHtG1MJ8vVtjgT24Zbu+8UTzxYuZouqZsmNRRTFVMY/Ux0eIKv1d+JWzsInTX+fdHPQ==",
+      "dev": true,
+      "requires": {
+        "JSONStream": "1.3.1",
+        "combine-source-map": "0.8.0",
+        "defined": "1.0.0",
+        "safe-buffer": "5.1.1",
+        "through2": "2.0.3",
+        "umd": "3.0.2"
+      }
+    },
     "browser-resolve": {
       "version": "1.11.2",
       "resolved": "https://registry.npmjs.org/browser-resolve/-/browser-resolve-1.11.2.tgz",
@@ -1906,11 +2131,170 @@
       }
     },
     "browser-stdout": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.0.tgz",
-      "integrity": "sha1-81HTKWnTL6XXpVZxVCY9korjvR8=",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.1.tgz",
+      "integrity": "sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==",
       "dev": true
     },
+    "browserify": {
+      "version": "14.5.0",
+      "resolved": "https://registry.npmjs.org/browserify/-/browserify-14.5.0.tgz",
+      "integrity": "sha512-gKfOsNQv/toWz+60nSPfYzuwSEdzvV2WdxrVPUbPD/qui44rAkB3t3muNtmmGYHqrG56FGwX9SUEQmzNLAeS7g==",
+      "dev": true,
+      "requires": {
+        "JSONStream": "1.3.1",
+        "assert": "1.4.1",
+        "browser-pack": "6.0.4",
+        "browser-resolve": "1.11.2",
+        "browserify-zlib": "0.2.0",
+        "buffer": "5.1.0",
+        "cached-path-relative": "1.0.1",
+        "concat-stream": "1.5.2",
+        "console-browserify": "1.1.0",
+        "constants-browserify": "1.0.0",
+        "crypto-browserify": "3.11.1",
+        "defined": "1.0.0",
+        "deps-sort": "2.0.0",
+        "domain-browser": "1.1.7",
+        "duplexer2": "0.1.4",
+        "events": "1.1.1",
+        "glob": "7.1.2",
+        "has": "1.0.1",
+        "htmlescape": "1.1.1",
+        "https-browserify": "1.0.0",
+        "inherits": "2.0.3",
+        "insert-module-globals": "7.0.2",
+        "labeled-stream-splicer": "2.0.0",
+        "module-deps": "4.1.1",
+        "os-browserify": "0.3.0",
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-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/wtf-8/-/wtf-8-1.0.0.tgz",
-      "integrity": "sha1-OS2LotDxw00e4tYw8V0O+2jhBIo=",
-      "dev": true
-    },
     "x-is-function": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/x-is-function/-/x-is-function-1.0.4.tgz",
@@ -12502,11 +13834,18 @@
       "dev": true
     },
     "xmlhttprequest-ssl": {
-      "version": "1.5.3",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz",
-      "integrity": "sha1-GFqIjATspGw+QHDZn3tJ3jUomS0=",
+      "version": "1.5.5",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
+      "integrity": "sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4=",
       "dev": true
     },
+    "xregexp": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/xregexp/-/xregexp-2.0.0.tgz",
+      "integrity": "sha1-UqY+VsoLhKfzpfPWGHLxJq16WUM=",
+      "dev": true,
+      "optional": true
+    },
     "xtend": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
@@ -12526,12 +13865,12 @@
       "dev": true
     },
     "yargs": {
-      "version": "10.0.3",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-10.0.3.tgz",
-      "integrity": "sha512-DqBpQ8NAUX4GyPP/ijDGHsJya4tYqLQrjPr95HNsr1YwL3+daCfvBwg7+gIC6IdJhR2kATh3hb61vjzMWEtjdw==",
+      "version": "11.0.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-11.0.0.tgz",
+      "integrity": "sha512-Rjp+lMYQOWtgqojx1dEWorjCofi1YN7AoFvYV7b1gx/7dAAeuI4kN5SZiEvr0ZmsZTOpDRcCqrpI10L31tFkBw==",
       "dev": true,
       "requires": {
-        "cliui": "3.2.0",
+        "cliui": "4.0.0",
         "decamelize": "1.2.0",
         "find-up": "2.1.0",
         "get-caller-file": "1.0.2",
@@ -12542,9 +13881,15 @@
         "string-width": "2.1.1",
         "which-module": "2.0.0",
         "y18n": "3.2.1",
-        "yargs-parser": "8.1.0"
+        "yargs-parser": "9.0.2"
       },
       "dependencies": {
+        "ansi-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+          "dev": true
+        },
         "camelcase": {
           "version": "4.1.0",
           "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
@@ -12552,27 +13897,14 @@
           "dev": true
         },
         "cliui": {
-          "version": "3.2.0",
-          "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
-          "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/cliui/-/cliui-4.0.0.tgz",
+          "integrity": "sha512-nY3W5Gu2racvdDk//ELReY+dHjb9PlIcVDFXP72nVIhq2Gy3LuVXYwJoPVudwQnv1shtohpgkdCKT2YaKY0CKw==",
           "dev": true,
           "requires": {
-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1",
+            "string-width": "2.1.1",
+            "strip-ansi": "4.0.0",
             "wrap-ansi": "2.1.0"
-          },
-          "dependencies": {
-            "string-width": {
-              "version": "1.0.2",
-              "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-              "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
-              "dev": true,
-              "requires": {
-                "code-point-at": "1.1.0",
-                "is-fullwidth-code-point": "1.0.0",
-                "strip-ansi": "3.0.1"
-              }
-            }
           }
         },
         "find-up": {
@@ -12584,19 +13916,19 @@
             "locate-path": "2.0.0"
           }
         },
-        "is-fullwidth-code-point": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
-          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+        "strip-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
           "dev": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "ansi-regex": "3.0.0"
           }
         },
         "yargs-parser": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-8.1.0.tgz",
-          "integrity": "sha512-yP+6QqN8BmrgW2ggLtTbdrOyBNSI7zBa4IykmiV5R1wl1JWNxQvWhMfMdmzIYtKU7oP3OOInY/tl2ov3BDjnJQ==",
+          "version": "9.0.2",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-9.0.2.tgz",
+          "integrity": "sha1-nM9qQ0YP5O1Aqbto9I1DuKaMwHc=",
           "dev": true,
           "requires": {
             "camelcase": "4.1.0"
diff --git a/test/datastore-test.js b/test/datastore-test.js
index 68fab52..9ac191c 100644
--- a/test/datastore-test.js
+++ b/test/datastore-test.js
@@ -411,6 +411,47 @@ describe("datastore", () => {
       result = await main.get(result.id);
       assert(!result);
     });
+    it("touches", async () => {
+      await main.unlock(appKey);
+      let cached = new Map(),
+          stored;
+      stored = await main.list();
+      checkList(stored, cached);
+
+      let something = {
+        title: "My Item",
+        entry: {
+          kind: "login",
+          username: "foo",
+          password: "bar"
+        }
+      };
+
+      let result, expected = [];
+      result = await main.add(something);
+      checkMetrics([
+        {
+          method: "added",
+          id: result.id,
+          fields: undefined
+        }
+      ]);
+
+      expected = result;
+      result = await main.touch(expected);
+      let time = new Date().toISOString();
+      assert.dateInRange(result.last_used, time);
+      cached.set(result.id, result);
+      stored = await main.list();
+      checkList(stored, cached);
+      checkMetrics([
+        {
+          method: "touched",
+          id: result.id,
+          fields: undefined
+        }
+      ]);
+    });
     it("fails to add nothing", async () => {
       await main.unlock(appKey);
 
@@ -450,6 +491,25 @@ describe("datastore", () => {
         assert.strictEqual(err.reason, DataStoreError.MISSING_ITEM);
       }
     });
+    it("fails to touch missing item", async () => {
+      await main.unlock();
+      let something = {
+        id: "d50fd808-8c0f-47f8-99bc-896750a2cc0e",
+        title: "Some other item",
+        entry: {
+          kind: "login",
+          username: "bilbo.baggins",
+          password: "hidden treasure"
+        }
+      };
+
+      try {
+        await main.touch(something);
+        failOnSuccess();
+      } catch (err) {
+        assert.strictEqual(err.reason, DataStoreError.MISSING_ITEM);
+      }
+    });
 
     describe("locked failures", () => {
       const item = {
@@ -494,6 +554,13 @@ describe("datastore", () => {
           assert.strictEqual(err.reason, DataStoreError.LOCKED);
         }
       });
+      it("fails touch if locked", async () => {
+        try {
+          await main.touch(item);
+        } catch (err) {
+          assert.strictEqual(err.reason, DataStoreError.LOCKED);
+        }
+      });
       it("fails remove if locked", async () => {
         try {
           await main.remove(item);
@@ -540,6 +607,17 @@ describe("datastore", () => {
         };
         return main.update(item).then(failOnSuccess, checkNotInitialized);
       });
+      it("fails to touch when uninitialized", async () => {
+        const item = {
+          id: "f96eb083-6103-41f8-9cbc-231efa2957af",
+          entry: {
+            kind: "login",
+            username: "frodo.baggins",
+            password: "keepitsecretkeepitsafe"
+          }
+        };
+        return main.touch(item).then(failOnSuccess, checkNotInitialized);
+      });
       it("fails to remove when uninitialized", async () => {
         const id = "f96eb083-6103-41f8-9cbc-231efa2957af";
         return main.remove(id).then(failOnSuccess, checkNotInitialized);