use full helmet() middleware (#135)

fixes #132

package-lock.json

@@ -147,6 +147,11 @@
       "integrity": "sha1-06ioOzGapneTZisT52HHkRQiMG4=",
       "dev": true
     },
+    "ansi-html": {
+      "version": "0.0.7",
+      "resolved": "https://registry.npmjs.org/ansi-html/-/ansi-html-0.0.7.tgz",
+      "integrity": "sha1-gTWEAhliqenm/QOflA0S9WynhZ4="
+    },
     "ansi-regex": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
@@ -2573,6 +2578,11 @@
         "randombytes": "2.0.6"
       }
     },
+    "dns-prefetch-control": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/dns-prefetch-control/-/dns-prefetch-control-0.1.0.tgz",
+      "integrity": "sha1-YN20V3dOF48flBXwyrsOhbCzALI="
+    },
     "doctrine": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-2.1.0.tgz",
@@ -2625,6 +2635,11 @@
         "domelementtype": "1.3.0"
       }
     },
+    "dont-sniff-mimetype": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/dont-sniff-mimetype/-/dont-sniff-mimetype-1.0.0.tgz",
+      "integrity": "sha1-WTKJDcn04vGeXrAqIAJuXl78j1g="
+    },
     "duplexer": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/duplexer/-/duplexer-0.1.1.tgz",
@@ -3294,6 +3309,41 @@
         }
       }
     },
+    "expand-range": {
+      "version": "1.8.2",
+      "resolved": "https://registry.npmjs.org/expand-range/-/expand-range-1.8.2.tgz",
+      "integrity": "sha1-opnv/TNf4nIeuujiV+x5ZE/IUzc=",
+      "requires": {
+        "fill-range": "2.2.3"
+      },
+      "dependencies": {
+        "fill-range": {
+          "version": "2.2.3",
+          "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-2.2.3.tgz",
+          "integrity": "sha1-ULd9/X5Gm8dJJHCWNpn+eoSFpyM=",
+          "requires": {
+            "is-number": "2.1.0",
+            "isobject": "2.1.0",
+            "randomatic": "1.1.7",
+            "repeat-element": "1.1.2",
+            "repeat-string": "1.6.1"
+          }
+        },
+        "is-number": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/is-number/-/is-number-2.1.0.tgz",
+          "integrity": "sha1-Afy7s5NGOlSPL0ZszhbezknbkI8=",
+          "requires": {
+            "kind-of": "3.2.2"
+          }
+        }
+      }
+    },
+    "expect-ct": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/expect-ct/-/expect-ct-0.1.0.tgz",
+      "integrity": "sha1-UnNWeN4YUwiQ2Ne5XwrGNkCVgJQ="
+    },
     "express": {
       "version": "4.16.2",
       "resolved": "https://registry.npmjs.org/express/-/express-4.16.2.tgz",
@@ -3430,6 +3480,11 @@
       "resolved": "https://registry.npmjs.org/file-error/-/file-error-0.10.2.tgz",
       "integrity": "sha1-ljtIuSc7PUuEtADuVxvHixc5cko="
     },
+    "filename-regex": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/filename-regex/-/filename-regex-2.0.1.tgz",
+      "integrity": "sha1-wcS5vuPglyXdsQa3XB4wH+LxiyY="
+    },
     "filereader": {
       "version": "0.10.3",
       "resolved": "https://registry.npmjs.org/filereader/-/filereader-0.10.3.tgz",
@@ -3616,6 +3671,14 @@
       "resolved": "https://registry.npmjs.org/for-in/-/for-in-1.0.2.tgz",
       "integrity": "sha1-gQaNKVqBQuwKxybG4iAMMPttXoA="
     },
+    "for-own": {
+      "version": "0.1.5",
+      "resolved": "https://registry.npmjs.org/for-own/-/for-own-0.1.5.tgz",
+      "integrity": "sha1-UmXGgaTylNq78XyVCbZ2OqhFEM4=",
+      "requires": {
+        "for-in": "1.0.2"
+      }
+    },
     "foreach": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/foreach/-/foreach-2.0.5.tgz",
@@ -3684,6 +3747,11 @@
         "map-cache": "0.2.2"
       }
     },
+    "frameguard": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/frameguard/-/frameguard-3.0.0.tgz",
+      "integrity": "sha1-e8rUae57lukdEs6zlZx4I1qScuk="
+    },
     "fresh": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
@@ -4620,6 +4688,38 @@
         "path-is-absolute": "1.0.1"
       }
     },
+    "glob-base": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/glob-base/-/glob-base-0.3.0.tgz",
+      "integrity": "sha1-27Fk9iIbHAscz4Kuoyi0l98Oo8Q=",
+      "requires": {
+        "glob-parent": "2.0.0",
+        "is-glob": "2.0.1"
+      },
+      "dependencies": {
+        "glob-parent": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-2.0.0.tgz",
+          "integrity": "sha1-gTg9ctsFT8zPUzbaqQLxgvbtuyg=",
+          "requires": {
+            "is-glob": "2.0.1"
+          }
+        },
+        "is-extglob": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-1.0.0.tgz",
+          "integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA="
+        },
+        "is-glob": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-2.0.1.tgz",
+          "integrity": "sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=",
+          "requires": {
+            "is-extglob": "1.0.0"
+          }
+        }
+      }
+    },
     "glob-parent": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-3.1.0.tgz",
@@ -4798,6 +4898,25 @@
         "sntp": "1.0.9"
       }
     },
+    "helmet": {
+      "version": "3.12.0",
+      "resolved": "https://registry.npmjs.org/helmet/-/helmet-3.12.0.tgz",
+      "integrity": "sha512-CgkctpvreQLL6X3EL2Igs/92+75ZFIsrob9/Rdwf2hQCBGH/DxLk4xFPxAAl6jYnnus/YXfFEVXHEJf8TJTwlA==",
+      "requires": {
+        "dns-prefetch-control": "0.1.0",
+        "dont-sniff-mimetype": "1.0.0",
+        "expect-ct": "0.1.0",
+        "frameguard": "3.0.0",
+        "helmet-csp": "2.7.0",
+        "hide-powered-by": "1.0.0",
+        "hpkp": "2.0.0",
+        "hsts": "2.1.0",
+        "ienoopen": "1.0.0",
+        "nocache": "2.0.0",
+        "referrer-policy": "1.1.0",
+        "x-xss-protection": "1.1.0"
+      }
+    },
     "helmet-csp": {
       "version": "2.7.0",
       "resolved": "https://registry.npmjs.org/helmet-csp/-/helmet-csp-2.7.0.tgz",
@@ -4810,6 +4929,11 @@
         "platform": "1.3.5"
       }
     },
+    "hide-powered-by": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/hide-powered-by/-/hide-powered-by-1.0.0.tgz",
+      "integrity": "sha1-SoWtZYgfYoV/xwr3F0oRhNzM4ys="
+    },
     "highlight-es": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/highlight-es/-/highlight-es-1.0.1.tgz",
@@ -4851,11 +4975,26 @@
       "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.5.0.tgz",
       "integrity": "sha512-pNgbURSuab90KbTqvRPsseaTxOJCZBD0a7t+haSN33piP9cCM4l0CqdzAif2hUqm716UovKB2ROmiabGAKVXyg=="
     },
+    "hpkp": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/hpkp/-/hpkp-2.0.0.tgz",
+      "integrity": "sha1-EOFCJk52IVpdMMROxD3mTe5tFnI="
+    },
+    "hsts": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/hsts/-/hsts-2.1.0.tgz",
+      "integrity": "sha512-zXhh/DqgrTXJ7erTN6Fh5k/xjMhDGXCqdYN3wvxUvGUQvnxcFfUd8E+6vLg/nk3ss1TYMb+DhRl25fYABioTvA=="
+    },
     "html-comment-regex": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/html-comment-regex/-/html-comment-regex-1.1.1.tgz",
       "integrity": "sha1-ZouTd26q5V696POtRkswekljYl4="
     },
+    "html-entities": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/html-entities/-/html-entities-1.2.1.tgz",
+      "integrity": "sha1-DfKTUfByEWNRXfueVUPl9u7VFi8="
+    },
     "htmlparser2": {
       "version": "3.9.2",
       "resolved": "https://registry.npmjs.org/htmlparser2/-/htmlparser2-3.9.2.tgz",
@@ -4983,6 +5122,11 @@
       "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.8.tgz",
       "integrity": "sha1-vjPUCsEO8ZJnAfbwii2G+/0a0+Q="
     },
+    "ienoopen": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/ienoopen/-/ienoopen-1.0.0.tgz",
+      "integrity": "sha1-NGpCj0dKrI9QzzeE6i0PFvYr2ms="
+    },
     "iferr": {
       "version": "0.1.5",
       "resolved": "https://registry.npmjs.org/iferr/-/iferr-0.1.5.tgz",
@@ -5208,6 +5352,19 @@
         }
       }
     },
+    "is-dotfile": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/is-dotfile/-/is-dotfile-1.0.3.tgz",
+      "integrity": "sha1-pqLzL/0t+wT1yiXs0Pa4PPeYoeE="
+    },
+    "is-equal-shallow": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/is-equal-shallow/-/is-equal-shallow-0.1.3.tgz",
+      "integrity": "sha1-IjgJj8Ih3gvPpdnqxMRdY4qhxTQ=",
+      "requires": {
+        "is-primitive": "2.0.0"
+      }
+    },
     "is-es2016-keyword": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-es2016-keyword/-/is-es2016-keyword-1.0.0.tgz",
@@ -5319,6 +5476,16 @@
         }
       }
     },
+    "is-posix-bracket": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/is-posix-bracket/-/is-posix-bracket-0.1.1.tgz",
+      "integrity": "sha1-MzTceXdDaOkvAW5vvAqI9c1ua8Q="
+    },
+    "is-primitive": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/is-primitive/-/is-primitive-2.0.0.tgz",
+      "integrity": "sha1-IHurkWOEmcB7Kt8kCkGochADRXU="
+    },
     "is-property": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/is-property/-/is-property-1.0.2.tgz",
@@ -5381,6 +5548,14 @@
       "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
       "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA="
     },
+    "isobject": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz",
+      "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
+      "requires": {
+        "isarray": "1.0.0"
+      }
+    },
     "isstream": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
@@ -6192,6 +6367,11 @@
       "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.5.0.tgz",
       "integrity": "sha512-nJmSswG4As/MkRq7QZFuH/sf/yuv8ODdMZrY4Bedjp77a5MK4A6s7YbBB64c9u79EBUOfXUXBvArmvzTD0X+6g=="
     },
+    "nocache": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/nocache/-/nocache-2.0.0.tgz",
+      "integrity": "sha1-ICtIAhoMTL3i34DeFaF0Q8i0OYA="
+    },
     "node-fetch": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz",
@@ -6542,6 +6722,15 @@
         "es-abstract": "1.10.0"
       }
     },
+    "object.omit": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/object.omit/-/object.omit-2.0.1.tgz",
+      "integrity": "sha1-Gpx0SCnznbuFjHbKNXmuKlTr0fo=",
+      "requires": {
+        "for-own": "0.1.5",
+        "is-extendable": "0.1.1"
+      }
+    },
     "object.pick": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/object.pick/-/object.pick-1.3.0.tgz",
@@ -6740,6 +6929,32 @@
         "pbkdf2": "3.0.14"
       }
     },
+    "parse-glob": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/parse-glob/-/parse-glob-3.0.4.tgz",
+      "integrity": "sha1-ssN2z7EfNVE7rdFz7wu246OIORw=",
+      "requires": {
+        "glob-base": "0.3.0",
+        "is-dotfile": "1.0.3",
+        "is-extglob": "1.0.0",
+        "is-glob": "2.0.1"
+      },
+      "dependencies": {
+        "is-extglob": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-1.0.0.tgz",
+          "integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA="
+        },
+        "is-glob": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-2.0.1.tgz",
+          "integrity": "sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=",
+          "requires": {
+            "is-extglob": "1.0.0"
+          }
+        }
+      }
+    },
     "parse-json": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-4.0.0.tgz",
@@ -7543,6 +7758,11 @@
       "resolved": "https://registry.npmjs.org/prepend-http/-/prepend-http-1.0.4.tgz",
       "integrity": "sha1-1PRWKwzjaW5BrFLQ4ALlemNdxtw="
     },
+    "preserve": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/preserve/-/preserve-0.2.0.tgz",
+      "integrity": "sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks="
+    },
     "private": {
       "version": "0.1.8",
       "resolved": "https://registry.npmjs.org/private/-/private-0.1.8.tgz",
@@ -7707,6 +7927,25 @@
       "resolved": "https://registry.npmjs.org/quick-lru/-/quick-lru-1.1.0.tgz",
       "integrity": "sha1-Q2CxfGETatOAeDl/8RQW4Ybc+7g="
     },
+    "randomatic": {
+      "version": "1.1.7",
+      "resolved": "https://registry.npmjs.org/randomatic/-/randomatic-1.1.7.tgz",
+      "integrity": "sha512-D5JUjPyJbaJDkuAazpVnSfVkLlpeO3wDlPROTMLGKG1zMFNFRgrciKo1ltz/AzNTkqE0HzDx655QOL51N06how==",
+      "requires": {
+        "is-number": "3.0.0",
+        "kind-of": "4.0.0"
+      },
+      "dependencies": {
+        "kind-of": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-4.0.0.tgz",
+          "integrity": "sha1-IIE989cSkosgc3hpGkUGb65y3Vc=",
+          "requires": {
+            "is-buffer": "1.1.6"
+          }
+        }
+      }
+    },
     "randombytes": {
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.0.6.tgz",
@@ -7831,6 +8070,11 @@
         "balanced-match": "0.4.2"
       }
     },
+    "referrer-policy": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/referrer-policy/-/referrer-policy-1.1.0.tgz",
+      "integrity": "sha1-NXdOtzW/UPtsB46DM0tHI1AgfXk="
+    },
     "regenerate": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/regenerate/-/regenerate-1.3.3.tgz",
@@ -7853,6 +8097,14 @@
         "private": "0.1.8"
       }
     },
+    "regex-cache": {
+      "version": "0.4.4",
+      "resolved": "https://registry.npmjs.org/regex-cache/-/regex-cache-0.4.4.tgz",
+      "integrity": "sha512-nVIZwtCjkC9YgvWkpM55B5rBhBYRZhAaJbgcFYXXsHnbZ9UZI9nnVWYZpBlCqv9ho2eZryPnWrZGsOdPwVWXWQ==",
+      "requires": {
+        "is-equal-shallow": "0.1.3"
+      }
+    },
     "regex-not": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/regex-not/-/regex-not-1.0.0.tgz",
@@ -7884,6 +8136,14 @@
         "jsesc": "0.5.0"
       }
     },
+    "relative": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/relative/-/relative-3.0.2.tgz",
+      "integrity": "sha1-Dc2OxUpdNaPBXhBFA9ZTdbWlNn8=",
+      "requires": {
+        "isobject": "2.1.0"
+      }
+    },
     "remedial": {
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/remedial/-/remedial-1.0.7.tgz",
@@ -7982,6 +8242,11 @@
       "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
       "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE="
     },
+    "require-relative": {
+      "version": "0.8.7",
+      "resolved": "https://registry.npmjs.org/require-relative/-/require-relative-0.8.7.tgz",
+      "integrity": "sha1-eZlTn8ngR6N5KPoZb44VY9q9Nt4="
+    },
     "require-uncached": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/require-uncached/-/require-uncached-1.0.3.tgz",
@@ -8112,6 +8377,158 @@
         "truncate-utf8-bytes": "1.0.2"
       }
     },
+    "sapper": {
+      "version": "github:nolanlawson/sapper#5069987d7d943edb6649eac06163391b7b54832f",
+      "requires": {
+        "chalk": "2.3.2",
+        "chokidar": "1.7.0",
+        "escape-html": "1.0.3",
+        "mkdirp": "0.5.1",
+        "relative": "3.0.2",
+        "require-relative": "0.8.7",
+        "rimraf": "2.6.2",
+        "webpack": "4.5.0",
+        "webpack-hot-middleware": "2.21.2"
+      },
+      "dependencies": {
+        "ansi-styles": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+          "requires": {
+            "color-convert": "1.9.1"
+          }
+        },
+        "anymatch": {
+          "version": "1.3.2",
+          "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-1.3.2.tgz",
+          "integrity": "sha512-0XNayC8lTHQ2OI8aljNCN3sSx6hsr/1+rlcDAotXJR7C1oZZHCNsfpbKwMjRA3Uqb5tF1Rae2oloTr4xpq+WjA==",
+          "requires": {
+            "micromatch": "2.3.11",
+            "normalize-path": "2.1.1"
+          }
+        },
+        "arr-diff": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-2.0.0.tgz",
+          "integrity": "sha1-jzuCf5Vai9ZpaX5KQlasPOrjVs8=",
+          "requires": {
+            "arr-flatten": "1.1.0"
+          }
+        },
+        "array-unique": {
+          "version": "0.2.1",
+          "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.2.1.tgz",
+          "integrity": "sha1-odl8yvy8JiXMcPrc6zalDFiwGlM="
+        },
+        "braces": {
+          "version": "1.8.5",
+          "resolved": "https://registry.npmjs.org/braces/-/braces-1.8.5.tgz",
+          "integrity": "sha1-uneWLhLf+WnWt2cR6RS3N4V79qc=",
+          "requires": {
+            "expand-range": "1.8.2",
+            "preserve": "0.2.0",
+            "repeat-element": "1.1.2"
+          }
+        },
+        "chalk": {
+          "version": "2.3.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.3.2.tgz",
+          "integrity": "sha512-ZM4j2/ld/YZDc3Ma8PgN7gyAk+kHMMMyzLNryCPGhWrsfAuDVeuid5bpRFTDgMH9JBK2lA4dyyAkkZYF/WcqDQ==",
+          "requires": {
+            "ansi-styles": "3.2.1",
+            "escape-string-regexp": "1.0.5",
+            "supports-color": "5.3.0"
+          }
+        },
+        "chokidar": {
+          "version": "1.7.0",
+          "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-1.7.0.tgz",
+          "integrity": "sha1-eY5ol3gVHIB2tLNg5e3SjNortGg=",
+          "requires": {
+            "anymatch": "1.3.2",
+            "async-each": "1.0.1",
+            "fsevents": "1.1.3",
+            "glob-parent": "2.0.0",
+            "inherits": "2.0.3",
+            "is-binary-path": "1.0.1",
+            "is-glob": "2.0.1",
+            "path-is-absolute": "1.0.1",
+            "readdirp": "2.1.0"
+          }
+        },
+        "expand-brackets": {
+          "version": "0.1.5",
+          "resolved": "https://registry.npmjs.org/expand-brackets/-/expand-brackets-0.1.5.tgz",
+          "integrity": "sha1-3wcoTjQqgHzXM6xa9yQR5YHRF3s=",
+          "requires": {
+            "is-posix-bracket": "0.1.1"
+          }
+        },
+        "extglob": {
+          "version": "0.3.2",
+          "resolved": "https://registry.npmjs.org/extglob/-/extglob-0.3.2.tgz",
+          "integrity": "sha1-Lhj/PS9JqydlzskCPwEdqo2DSaE=",
+          "requires": {
+            "is-extglob": "1.0.0"
+          }
+        },
+        "glob-parent": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-2.0.0.tgz",
+          "integrity": "sha1-gTg9ctsFT8zPUzbaqQLxgvbtuyg=",
+          "requires": {
+            "is-glob": "2.0.1"
+          }
+        },
+        "has-flag": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
+        },
+        "is-extglob": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-1.0.0.tgz",
+          "integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA="
+        },
+        "is-glob": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-2.0.1.tgz",
+          "integrity": "sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=",
+          "requires": {
+            "is-extglob": "1.0.0"
+          }
+        },
+        "micromatch": {
+          "version": "2.3.11",
+          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-2.3.11.tgz",
+          "integrity": "sha1-hmd8l9FyCzY0MdBNDRUpO9OMFWU=",
+          "requires": {
+            "arr-diff": "2.0.0",
+            "array-unique": "0.2.1",
+            "braces": "1.8.5",
+            "expand-brackets": "0.1.5",
+            "extglob": "0.3.2",
+            "filename-regex": "2.0.1",
+            "is-extglob": "1.0.0",
+            "is-glob": "2.0.1",
+            "kind-of": "3.2.2",
+            "normalize-path": "2.1.1",
+            "object.omit": "2.0.1",
+            "parse-glob": "3.0.4",
+            "regex-cache": "0.4.4"
+          }
+        },
+        "supports-color": {
+          "version": "5.3.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.3.0.tgz",
+          "integrity": "sha512-0aP01LLIskjKs3lq52EC0aGBAJhLq7B2Rd8HC/DR/PtNNpcLilNmHC12O+hu0usQpo7wtHNRqtrhBwtDb0+dNg==",
+          "requires": {
+            "has-flag": "3.0.0"
+          }
+        }
+      }
+    },
     "sass-graph": {
       "version": "2.2.4",
       "resolved": "https://registry.npmjs.org/sass-graph/-/sass-graph-2.2.4.tgz",
@@ -10503,6 +10920,17 @@
         }
       }
     },
+    "webpack-hot-middleware": {
+      "version": "2.21.2",
+      "resolved": "https://registry.npmjs.org/webpack-hot-middleware/-/webpack-hot-middleware-2.21.2.tgz",
+      "integrity": "sha512-N5c80o31E0COFJV8HRjiX3hJetDOwQ2Ajt5TTORKA9diOimhFtmaZKSfO3pQKMeQngb7I4TUnNDroJiUzPFhKQ==",
+      "requires": {
+        "ansi-html": "0.0.7",
+        "html-entities": "1.2.1",
+        "querystring": "0.2.0",
+        "strip-ansi": "3.0.1"
+      }
+    },
     "webpack-sources": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.1.0.tgz",
@@ -10658,6 +11086,11 @@
         "safe-buffer": "5.1.1"
       }
     },
+    "x-xss-protection": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/x-xss-protection/-/x-xss-protection-1.1.0.tgz",
+      "integrity": "sha512-rx3GzJlgEeZ08MIcDsU2vY2B1QEriUKJTSiNHHUIem6eg9pzVOr2TL3Y4Pd6TMAM5D5azGjcxqI62piITBDHVg=="
+    },
     "xml2js": {
       "version": "0.4.19",
       "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.4.19.tgz",

package.json

@@ -49,7 +49,7 @@
     "font-awesome-svg-png": "^1.2.2",
     "form-data": "^2.3.2",
     "glob": "^7.1.2",
-    "helmet-csp": "^2.7.0",
+    "helmet": "^3.12.0",
     "indexeddb-getall-shim": "^1.3.1",
     "intersection-observer": "^0.5.0",
     "lodash": "^4.17.5",

server.js

@@ -3,7 +3,7 @@ const compression = require('compression')
 const sapper = require('sapper')
 const serveStatic = require('serve-static')
 const app = express()
-const csp = require('helmet-csp')
+const helmet = require('helmet')
 
 const headScriptChecksum = require('./inline-script-checksum').checksum
 
@@ -18,7 +18,8 @@ global.fetch = (url, opts) => {
 
 app.use(compression({ threshold: 0 }))
 
-app.use(csp({
+app.use(helmet({
+  contentSecurityPolicy: {
     directives: {
       scriptSrc: [`'self'`, `'sha256-${headScriptChecksum}'`],
       workerSrc: [`'self'`],
@@ -27,6 +28,7 @@ app.use(csp({
       objectSrc: [`'none'`],
       manifestSrc: [`'self'`]
     }
+  }
 }))
 
 app.use(serveStatic('assets', {