diff --git a/.eslintrc b/.eslintrc
index 4c22ba42b1..992139b41c 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -65,6 +65,7 @@ rules:
   quote-props: [2, 'consistent-as-needed']
   quotes: [2, 'single', 'avoid-escape']
   radix: 2
+  require-atomic-updates: 0
   react/display-name: 0
   react/no-deprecated: 1
   react/jsx-boolean-value: 2
diff --git a/package-lock.json b/package-lock.json
index 05b3ee36f2..a4b65316ef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -359,6 +359,29 @@
       "resolved": "https://registry.npmjs.org/@inukshuk/exif/-/exif-2.0.0.tgz",
       "integrity": "sha512-fAvsxo5Fq68hu02adHpMnh+zBJqlnghVg/NCKE6CzHafxmxUClk8RXuGAuduFAZkQEi1DJiqxUJOBITGEeLq1w=="
     },
+    "@koa/router": {
+      "version": "8.0.2",
+      "resolved": "https://registry.npmjs.org/@koa/router/-/router-8.0.2.tgz",
+      "integrity": "sha512-7Wa8yXBmz9HjmZOr+xfMVuxFPNObdkiQFBiwF9SQ8zFqHykwBHcJA/mLqqxU2NKoeXRPBKUOPeOjwgR+gyadcA==",
+      "requires": {
+        "debug": "^3.1.0",
+        "http-errors": "^1.3.1",
+        "koa-compose": "^3.0.0",
+        "methods": "^1.0.1",
+        "path-to-regexp": "^1.1.1",
+        "urijs": "^1.19.0"
+      },
+      "dependencies": {
+        "koa-compose": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/koa-compose/-/koa-compose-3.2.1.tgz",
+          "integrity": "sha1-qFzLQLfZhtjlo0Wzoazo6rz1Tec=",
+          "requires": {
+            "any-promise": "^1.1.0"
+          }
+        }
+      }
+    },
     "@mrmlnc/readdir-enhanced": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz",
@@ -582,6 +605,15 @@
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
       "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
     },
+    "accepts": {
+      "version": "1.3.7",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
+      "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
+      "requires": {
+        "mime-types": "~2.1.24",
+        "negotiator": "0.6.2"
+      }
+    },
     "accessibility-developer-tools": {
       "version": "2.12.0",
       "resolved": "https://registry.npmjs.org/accessibility-developer-tools/-/accessibility-developer-tools-2.12.0.tgz",
@@ -660,6 +692,11 @@
         "color-convert": "^1.9.0"
       }
     },
+    "any-promise": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz",
+      "integrity": "sha1-q8av7tzqUugJzcA3au0845Y10X8="
+    },
     "anymatch": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.1.tgz",
@@ -1144,6 +1181,15 @@
         "unset-value": "^1.0.0"
       }
     },
+    "cache-content-type": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/cache-content-type/-/cache-content-type-1.0.1.tgz",
+      "integrity": "sha512-IKufZ1o4Ut42YUrZSo8+qnMTrFuKkvyoLXUywKz9GJ5BrhOFGhLdkx9sG4KAnVvbY6kEcSFjLQul+DVmBm2bgA==",
+      "requires": {
+        "mime-types": "^2.1.18",
+        "ylru": "^1.2.0"
+      }
+    },
     "cacheable-request": {
       "version": "6.1.0",
       "resolved": "https://registry.npmjs.org/cacheable-request/-/cacheable-request-6.1.0.tgz",
@@ -1507,6 +1553,11 @@
         "mimic-response": "^1.0.0"
       }
     },
+    "co": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
+      "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ="
+    },
     "code-point-at": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
@@ -1622,6 +1673,26 @@
       "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
       "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
     },
+    "content-disposition": {
+      "version": "0.5.3",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.3.tgz",
+      "integrity": "sha512-ExO0774ikEObIAEV9kDo50o+79VCUdEB6n6lzKgGwupcVeRlhrj3qGAfwq8G6uBJjkqLrhT0qEYFcWng8z1z0g==",
+      "requires": {
+        "safe-buffer": "5.1.2"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+        }
+      }
+    },
+    "content-type": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
+      "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA=="
+    },
     "convert-source-map": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.6.0.tgz",
@@ -1639,6 +1710,22 @@
         }
       }
     },
+    "cookies": {
+      "version": "0.8.0",
+      "resolved": "https://registry.npmjs.org/cookies/-/cookies-0.8.0.tgz",
+      "integrity": "sha512-8aPsApQfebXnuI+537McwYsDtjVxGm8gTIzQI3FDW6t5t/DAhERxtnbEPN/8RX+uZthoz4eCOgloXaE5cYyNow==",
+      "requires": {
+        "depd": "~2.0.0",
+        "keygrip": "~1.1.0"
+      },
+      "dependencies": {
+        "depd": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
+          "integrity": "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw=="
+        }
+      }
+    },
     "copy-descriptor": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/copy-descriptor/-/copy-descriptor-0.1.1.tgz",
@@ -1910,6 +1997,11 @@
         "type-detect": "^4.0.0"
       }
     },
+    "deep-equal": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-1.0.1.tgz",
+      "integrity": "sha1-9dJgKStmDghO/0zbyfCK0yR0SLU="
+    },
     "deep-extend": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
@@ -2004,6 +2096,16 @@
       "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
       "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o="
     },
+    "depd": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
+      "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak="
+    },
+    "destroy": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
+      "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
+    },
     "detect-libc": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-1.0.3.tgz",
@@ -2165,6 +2267,11 @@
         }
       }
     },
+    "ee-first": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
+      "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0="
+    },
     "electron": {
       "version": "6.0.12",
       "resolved": "https://registry.npmjs.org/electron/-/electron-6.0.12.tgz",
@@ -2406,6 +2513,11 @@
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
       "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA=="
     },
+    "encodeurl": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
+      "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
+    },
     "end-of-stream": {
       "version": "1.4.4",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
@@ -2512,6 +2624,11 @@
         }
       }
     },
+    "error-inject": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/error-inject/-/error-inject-1.0.0.tgz",
+      "integrity": "sha1-4rPZG1Su1nLzCdlQ0VSFD6EdTzc="
+    },
     "es-abstract": {
       "version": "1.15.0",
       "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.15.0.tgz",
@@ -2555,6 +2672,11 @@
       "integrity": "sha512-Um/+FxMr9CISWh0bi5Zv0iOD+4cFh5qLeks1qhAopKVAJw3drgKbKySikp7wGhDL0HPeaja0P5ULZrxLkniUVg==",
       "dev": true
     },
+    "escape-html": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
+      "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg="
+    },
     "escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
@@ -3378,6 +3500,11 @@
         "map-cache": "^0.2.2"
       }
     },
+    "fresh": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
+      "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
+    },
     "fs-constants": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs-constants/-/fs-constants-1.0.0.tgz",
@@ -4063,12 +4190,33 @@
         }
       }
     },
+    "http-assert": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/http-assert/-/http-assert-1.4.1.tgz",
+      "integrity": "sha512-rdw7q6GTlibqVVbXr0CKelfV5iY8G2HqEUkhSk297BMbSpSL8crXC+9rjKoMcZZEsksX30le6f/4ul4E28gegw==",
+      "requires": {
+        "deep-equal": "~1.0.1",
+        "http-errors": "~1.7.2"
+      }
+    },
     "http-cache-semantics": {
       "version": "4.0.3",
       "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-4.0.3.tgz",
       "integrity": "sha512-TcIMG3qeVLgDr1TEd2XvHaTnMPwYQUQMIBLy+5pLSDKYFc7UIqj39w8EGzZkaxoLv/l2K8HaI0t5AVA+YYgUew==",
       "dev": true
     },
+    "http-errors": {
+      "version": "1.7.3",
+      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.7.3.tgz",
+      "integrity": "sha512-ZTTX0MWrsQ2ZAhA1cejAwDLycFsd7I7nVtnkT3Ol0aqodaKW+0CTZDQ1uBv5whptCnc8e8HeRRJxRs0kmm/Qfw==",
+      "requires": {
+        "depd": "~1.1.2",
+        "inherits": "2.0.4",
+        "setprototypeof": "1.1.1",
+        "statuses": ">= 1.5.0 < 2",
+        "toidentifier": "1.0.0"
+      }
+    },
     "http-signature": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
@@ -4443,6 +4591,11 @@
       "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
       "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8="
     },
+    "is-generator-function": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/is-generator-function/-/is-generator-function-1.0.7.tgz",
+      "integrity": "sha512-YZc5EwyO4f2kWCax7oegfuSr9mFz1ZvieNYBEjmukLxgXfBUbxAWGVF7GZf0zidYtoBl3WvC07YK0wT76a+Rtw=="
+    },
     "is-glob": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.1.tgz",
@@ -4902,6 +5055,14 @@
       "integrity": "sha512-FrLwOgm+iXrPV+5zDU6Jqu4gCRXbWEQg2O3SKONsWE4w7AXFRkryS53bpWdaL9cNol+AmR3AEYz6kn+o0fCPnw==",
       "dev": true
     },
+    "keygrip": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/keygrip/-/keygrip-1.1.0.tgz",
+      "integrity": "sha512-iYSchDJ+liQ8iwbSI2QqsQOvqv58eJCEanyJPJi+Khyu8smkcKSFUCbPwzFcL7YVtZ6eONjqRX/38caJ7QjRAQ==",
+      "requires": {
+        "tsscmp": "1.0.6"
+      }
+    },
     "keyv": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/keyv/-/keyv-3.1.0.tgz",
@@ -4923,6 +5084,82 @@
       "integrity": "sha512-0g5vDDPvNnQk7WM/aE92dTDxXJoOE0biiIcUb3qkn/F6h/ZQZPlZIbE2XSXH2vFPfphkgCxuR2vH6HHnobEOaQ==",
       "dev": true
     },
+    "koa": {
+      "version": "2.10.0",
+      "resolved": "https://registry.npmjs.org/koa/-/koa-2.10.0.tgz",
+      "integrity": "sha512-vcZopGEWHDokchYtjU6jF1BCy+2MA2hnvGP7xPi26qWoIS0OiAUb4+lCqkqf05qG5ULnGYUFTvFnSK9RyOoiKw==",
+      "requires": {
+        "accepts": "^1.3.5",
+        "cache-content-type": "^1.0.0",
+        "content-disposition": "~0.5.2",
+        "content-type": "^1.0.4",
+        "cookies": "~0.8.0",
+        "debug": "~3.1.0",
+        "delegates": "^1.0.0",
+        "depd": "^1.1.2",
+        "destroy": "^1.0.4",
+        "encodeurl": "^1.0.2",
+        "error-inject": "^1.0.0",
+        "escape-html": "^1.0.3",
+        "fresh": "~0.5.2",
+        "http-assert": "^1.3.0",
+        "http-errors": "^1.6.3",
+        "is-generator-function": "^1.0.7",
+        "koa-compose": "^4.1.0",
+        "koa-convert": "^1.2.0",
+        "koa-is-json": "^1.0.0",
+        "on-finished": "^2.3.0",
+        "only": "~0.0.2",
+        "parseurl": "^1.3.2",
+        "statuses": "^1.5.0",
+        "type-is": "^1.6.16",
+        "vary": "^1.1.2"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        }
+      }
+    },
+    "koa-compose": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/koa-compose/-/koa-compose-4.1.0.tgz",
+      "integrity": "sha512-8ODW8TrDuMYvXRwra/Kh7/rJo9BtOfPc6qO8eAfC80CnCvSjSl0bkRM24X6/XBBEyj0v1nRUQ1LyOy3dbqOWXw=="
+    },
+    "koa-convert": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/koa-convert/-/koa-convert-1.2.0.tgz",
+      "integrity": "sha1-2kCHXfSd4FOQmNFwC1CCDOvNIdA=",
+      "requires": {
+        "co": "^4.6.0",
+        "koa-compose": "^3.0.0"
+      },
+      "dependencies": {
+        "koa-compose": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/koa-compose/-/koa-compose-3.2.1.tgz",
+          "integrity": "sha1-qFzLQLfZhtjlo0Wzoazo6rz1Tec=",
+          "requires": {
+            "any-promise": "^1.1.0"
+          }
+        }
+      }
+    },
+    "koa-is-json": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/koa-is-json/-/koa-is-json-1.0.0.tgz",
+      "integrity": "sha1-JzwH7c3Ljfaiwat9We52SRRR7BQ="
+    },
     "lcid": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/lcid/-/lcid-2.0.0.tgz",
@@ -5221,6 +5458,11 @@
       "resolved": "https://registry.npmjs.org/mdurl/-/mdurl-1.0.1.tgz",
       "integrity": "sha1-/oWy7HWlkDfyrf7BAP1sYBdhFS4="
     },
+    "media-typer": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
+      "integrity": "sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g="
+    },
     "mem": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/mem/-/mem-4.3.0.tgz",
@@ -5368,6 +5610,11 @@
       "integrity": "sha512-2j4DAdlBOkiSZIsaXk4mTE3sRS02yBHAtfy127xRV3bQUFqXkjHCHLW6Scv7DwNRbIWNHH8zpnz9zMaKXIdvYw==",
       "dev": true
     },
+    "methods": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/methods/-/methods-1.1.2.tgz",
+      "integrity": "sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4="
+    },
     "micromatch": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.2.tgz",
@@ -5705,6 +5952,11 @@
         "sax": "^1.2.4"
       }
     },
+    "negotiator": {
+      "version": "0.6.2",
+      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
+      "integrity": "sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw=="
+    },
     "neo-async": {
       "version": "2.6.1",
       "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.1.tgz",
@@ -6329,6 +6581,14 @@
         "has": "^1.0.3"
       }
     },
+    "on-finished": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
+      "integrity": "sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=",
+      "requires": {
+        "ee-first": "1.1.1"
+      }
+    },
     "once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -6354,6 +6614,11 @@
         }
       }
     },
+    "only": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/only/-/only-0.0.2.tgz",
+      "integrity": "sha1-Kv3oTQPlC5qO3EROMGEKcCle37Q="
+    },
     "optimist": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
@@ -6540,6 +6805,11 @@
         "@types/node": "*"
       }
     },
+    "parseurl": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
+      "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ=="
+    },
     "pascalcase": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/pascalcase/-/pascalcase-0.1.1.tgz",
@@ -6578,7 +6848,6 @@
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-1.7.0.tgz",
       "integrity": "sha1-Wf3g9DW62suhA6hOnTvGTpa5k30=",
-      "dev": true,
       "requires": {
         "isarray": "0.0.1"
       },
@@ -6586,8 +6855,7 @@
         "isarray": {
           "version": "0.0.1",
           "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
-          "dev": true
+          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
         }
       }
     },
@@ -8063,6 +8331,11 @@
         }
       }
     },
+    "setprototypeof": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.1.tgz",
+      "integrity": "sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw=="
+    },
     "shallow-equal": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/shallow-equal/-/shallow-equal-1.2.0.tgz",
@@ -8735,6 +9008,11 @@
         }
       }
     },
+    "statuses": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
+      "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
+    },
     "stdout-stream": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/stdout-stream/-/stdout-stream-1.4.1.tgz",
@@ -9530,6 +9808,11 @@
         "is-number": "^7.0.0"
       }
     },
+    "toidentifier": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
+      "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
+    },
     "tough-cookie": {
       "version": "2.4.3",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
@@ -9598,6 +9881,11 @@
       "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==",
       "dev": true
     },
+    "tsscmp": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/tsscmp/-/tsscmp-1.0.6.tgz",
+      "integrity": "sha512-LxhtAkPDTkVCMQjt2h6eBVY28KCjikZqZfMcC15YBeNjkgUpdCfBu5HoiOTDu86v6smE8yOjyEktJ8hlbANHQA=="
+    },
     "tunnel-agent": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@@ -9626,6 +9914,15 @@
       "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
       "dev": true
     },
+    "type-is": {
+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
+      "requires": {
+        "media-typer": "0.3.0",
+        "mime-types": "~2.1.24"
+      }
+    },
     "typedarray": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
@@ -9865,6 +10162,11 @@
         "punycode": "^2.1.0"
       }
     },
+    "urijs": {
+      "version": "1.19.2",
+      "resolved": "https://registry.npmjs.org/urijs/-/urijs-1.19.2.tgz",
+      "integrity": "sha512-s/UIq9ap4JPZ7H1EB5ULo/aOUbWqfDi7FKzMC2Nz+0Si8GiT1rIEaprt8hy3Vy2Ex2aJPpOQv4P4DuOZ+K1c6w=="
+    },
     "urix": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
@@ -9923,6 +10225,11 @@
         "spdx-expression-parse": "^3.0.0"
       }
     },
+    "vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+    },
     "verror": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
@@ -10229,6 +10536,11 @@
         "buffer-crc32": "~0.2.3",
         "fd-slicer": "~1.1.0"
       }
+    },
+    "ylru": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/ylru/-/ylru-1.2.1.tgz",
+      "integrity": "sha512-faQrqNMzcPCHGVC2aaOINk13K+aaBDUPjGWl0teOXywElLjyVAB6Oe2jj62jHYtwsU49jXhScYbvPENK+6zAvQ=="
     }
   }
 }
diff --git a/package.json b/package.json
index ebfa66b382..a0dc81b378 100644
--- a/package.json
+++ b/package.json
@@ -101,6 +101,7 @@
   },
   "dependencies": {
     "@inukshuk/exif": "^2.0.0",
+    "@koa/router": "^8.0.2",
     "@pixi/filter-adjustment": "^2.7.0",
     "@tweenjs/tween.js": "^18.3.1",
     "bluebird": "^3.7.1",
@@ -110,6 +111,7 @@
     "generic-pool": "^3.7.1",
     "js-yaml": "^3.13.1",
     "jsonld": "^1.8.0",
+    "koa": "^2.10.0",
     "lodash.debounce": "^4.0.7",
     "lodash.throttle": "^4.1.1",
     "memoize-one": "^5.1.1",
diff --git a/scripts/log-viewer.js b/scripts/log-viewer.js
index 8812dc606e..856225c4d7 100755
--- a/scripts/log-viewer.js
+++ b/scripts/log-viewer.js
@@ -17,10 +17,14 @@ const format = log =>
 const end = log =>
   log.quit ? '\n\n' : '\n'
 
-const body = log =>
-  log.action ?
-    `${log.action} ${chalk.gray(meta(log))}` :
-    log.msg || log.message
+const body = log => {
+  if (log.action)
+    return `${log.action} ${chalk.gray(meta(log))}`
+  if (log.url)
+    return `${log.url} ${chalk.gray(`${log.status} Δ${ms(log.ms)}`)}`
+  else
+    return log.msg || log.message
+}
 
 const error = ({ stack }) =>
   stack ?
@@ -43,6 +47,7 @@ const symbol = log =>
 
 const SYMBOL = {
   about: 'α',
+  api: 'λ',
   main: 'β',
   prefs: 'σ',
   print: 'π',
diff --git a/src/actions/activity.js b/src/actions/activity.js
index 59d6b601e6..e50e446976 100644
--- a/src/actions/activity.js
+++ b/src/actions/activity.js
@@ -17,6 +17,7 @@ module.exports = {
       meta: {
         ipc: action.meta.ipc,
         idx: action.meta.idx,
+        rsvp: action.meta.rsvp,
         search: action.meta.search,
         ...meta,
         done: true,
diff --git a/src/actions/api.js b/src/actions/api.js
new file mode 100644
index 0000000000..ec7bd21406
--- /dev/null
+++ b/src/actions/api.js
@@ -0,0 +1,100 @@
+'use strict'
+
+const { API, ITEM } = require('../constants')
+const { array } = require('../common/util')
+
+module.exports = {
+  import({ files, ...payload }, meta) {
+    return {
+      type: ITEM.IMPORT,
+      payload: {
+        ...payload,
+        files: array(files)
+      },
+      meta: {
+        cmd: 'project',
+        history: 'add',
+        search: true,
+        prompt: false,
+        ...meta
+      }
+    }
+  },
+
+  item: {
+    find({ tags, ...payload }, meta) {
+      return {
+        type: API.ITEM.FIND,
+        payload: {
+          ...payload,
+          tags: array(tags)
+        },
+        meta: {
+          cmd: 'project',
+          ...meta
+        }
+      }
+    },
+
+    show(payload, meta) {
+      return {
+        type: API.ITEM.SHOW,
+        payload,
+        meta: {
+          cmd: 'project',
+          ...meta
+        }
+      }
+    }
+  },
+
+  note: {
+    show(payload, meta) {
+      return {
+        type: API.NOTE.SHOW,
+        payload,
+        meta: {
+          cmd: 'project',
+          ...meta
+        }
+      }
+    }
+  },
+
+  photo: {
+    find(payload, meta) {
+      return {
+        type: API.PHOTO.FIND,
+        payload,
+        meta: {
+          cmd: 'project',
+          ...meta
+        }
+      }
+    },
+
+    show(payload, meta) {
+      return {
+        type: API.PHOTO.SHOW,
+        payload,
+        meta: {
+          cmd: 'project',
+          ...meta
+        }
+      }
+    }
+  },
+
+  selection: {
+    show(payload, meta) {
+      return {
+        type: API.SELECTION.SHOW,
+        payload,
+        meta: {
+          cmd: 'project',
+          ...meta
+        }
+      }
+    }
+  }
+}
diff --git a/src/actions/index.js b/src/actions/index.js
index ad351e0329..7940fc3318 100644
--- a/src/actions/index.js
+++ b/src/actions/index.js
@@ -2,6 +2,7 @@
 
 module.exports = {
   activity: require('./activity'),
+  api: require('./api'),
   cache: require('./cache'),
   classes: require('./classes'),
   context: require('./context'),
diff --git a/src/browser/actions.js b/src/browser/actions.js
index 216e22e552..10e9a57de4 100644
--- a/src/browser/actions.js
+++ b/src/browser/actions.js
@@ -1,6 +1,7 @@
 'use strict'
 
 module.exports = {
+  api: require('../actions/api'),
   cache: require('../actions/cache'),
   context: require('../actions/context'),
   edit: require('../actions/edit'),
diff --git a/src/browser/api.js b/src/browser/api.js
new file mode 100644
index 0000000000..f15c5786be
--- /dev/null
+++ b/src/browser/api.js
@@ -0,0 +1,42 @@
+'use strict'
+
+const { info, logger } = require('../common/log')
+
+class Server {
+  constructor(app) {
+    this.app = app
+  }
+
+  dispatch = (type, action) => {
+    this.app.wm.current(type).webContents.send('dispatch', action)
+  }
+
+  rsvp = (type, action) => (
+    this.app.wm.rsvp(type, action)
+  )
+
+  start() {
+    if (this.app.state.api || this.app.opts.port) {
+      let api = require('../common/api')
+
+      this.koa = api.create({
+        dispatch: this.dispatch,
+        log: logger.child({ name: 'api' }),
+        rsvp: this.rsvp,
+        version: this.app.version
+      })
+
+      let port = this.app.opts.port || this.app.state.port
+
+      info(`api.start on port ${port}`)
+      this.koa.listen(port)
+    }
+  }
+
+  stop() {
+  }
+}
+
+module.exports = {
+  Server
+}
diff --git a/src/browser/args.js b/src/browser/args.js
index c564cf062d..08b2cc256a 100644
--- a/src/browser/args.js
+++ b/src/browser/args.js
@@ -72,6 +72,13 @@ module.exports =
       default: false
     })
 
+    .option('port', {
+      alias: 'p',
+      type: 'number',
+      describe: 'Set API listening port',
+      default: null
+    })
+
     .help('help')
     .version(version)
 
diff --git a/src/browser/main.js b/src/browser/main.js
index 2983c2f59f..6f397b6e2d 100644
--- a/src/browser/main.js
+++ b/src/browser/main.js
@@ -92,6 +92,10 @@ if (!(win32 && require('./squirrel')(opts))) {
       info(`ready after ${tropy.ready - START}ms [req:${T2 - T1}ms]`)
     })
 
+  if (app.isPackaged) {
+    app.setAsDefaultProtocolClient('tropy')
+  }
+
   if (darwin) {
     app.on('open-file', (event, file) => {
       if (tropy.ready) {
diff --git a/src/browser/tropy.js b/src/browser/tropy.js
index 235572de53..4cbe453182 100644
--- a/src/browser/tropy.js
+++ b/src/browser/tropy.js
@@ -32,6 +32,7 @@ const { Strings } = require('../common/res')
 const Storage = require('./storage')
 const Updater = require('./updater')
 const dialog = require('./dialog')
+const API = require('./api')
 const WindowManager = require('./wm')
 const { addIdleObserver } = require('./idle')
 const { migrate } = require('./migrate')
@@ -53,6 +54,7 @@ class Tropy extends EventEmitter {
   static defaults = {
     frameless: darwin,
     debug: false,
+    port: 2019,
     theme: darwin ? 'system' : 'light',
     recent: [],
     updater: true,
@@ -78,6 +80,7 @@ class Tropy extends EventEmitter {
     this.updater = new Updater({
       enable: process.env.NODE_ENV === 'production' && opts['auto-updates']
     })
+    this.api = new API.Server(this)
 
     prop(this, 'cache', {
       value: new Cache(opts.cache || join(opts.data, 'cache'))
@@ -100,9 +103,11 @@ class Tropy extends EventEmitter {
     await this.restore()
     this.listen()
     this.wm.start()
+    this.api.start()
   }
 
   stop() {
+    this.api.stop()
     this.updater.stop()
     this.plugins.stop()
     this.persist()
@@ -395,15 +400,15 @@ class Tropy extends EventEmitter {
       this.dispatch(act.item.export(target.id, { plugin }), win))
 
     this.on('app:restore-item', (win, { target }) => {
-      this.dispatch(act.item.restore(target.id))
+      this.dispatch(act.item.restore(target.id), win)
     })
 
     this.on('app:destroy-item', (win, { target }) => {
-      this.dispatch(act.item.destroy(target.id))
+      this.dispatch(act.item.destroy(target.id), win)
     })
 
     this.on('app:create-item-photo', (win, { target }) => {
-      this.dispatch(act.photo.create({ item: target.id }))
+      this.dispatch(act.photo.create({ item: target.id }), win)
     })
 
     this.on('app:toggle-item-tag', (win, { id, tag }) => {
@@ -411,7 +416,7 @@ class Tropy extends EventEmitter {
     })
 
     this.on('app:clear-item-tags', (win, { id }) => {
-      this.dispatch(act.item.tags.clear(id))
+      this.dispatch(act.item.tags.clear(id), win)
     })
 
     this.on('app:list-item-remove', (win, { target }) => {
diff --git a/src/browser/wm.js b/src/browser/wm.js
index 07987c5609..e13a15652c 100644
--- a/src/browser/wm.js
+++ b/src/browser/wm.js
@@ -8,9 +8,18 @@ const { debug, error, trace, warn } = require('../common/log')
 const { darwin, EL_CAPITAN } = require('../common/os')
 const { channel } = require('../common/release')
 const res = require('../common/res')
-const { array, blank, get, once, remove, restrict } = require('../common/util')
 const { BODY, PANEL, ESPER } = require('../constants/sass')
 
+const {
+  array,
+  blank,
+  counter,
+  get,
+  once,
+  remove,
+  restrict
+} = require('../common/util')
+
 const {
   app,
   BrowserWindow,
@@ -39,6 +48,8 @@ class WindowManager extends EventEmitter {
     }
 
     this.windows = {}
+    this.pending = {}
+    this.seq = counter()
   }
 
   broadcast(...args) {
@@ -230,11 +241,30 @@ class WindowManager extends EventEmitter {
         else
           win.minimize()
         break
+      case 'rsvp':
+        this.handlePendingResponse(...args)
+        break
       default:
         win.emit(type, ...args)
     }
   }
 
+  handlePendingResponse(action) {
+    try {
+      var id = action.meta.rsvp
+
+      if (action.error)
+        this.pending[id].reject(action.payload)
+      else
+        this.pending[id].resolve(action)
+
+    } catch (e) {
+      warn({
+        stack: e.stack
+      }, `failed to resolve pending message ${id}`)
+    }
+  }
+
   handleScrollBarsChange = () => {
     this.broadcast('scrollbars', !WindowManager.hasOverlayScrollBars())
   }
@@ -342,6 +372,26 @@ class WindowManager extends EventEmitter {
     this.each(type, win => win.webContents.send(...args))
   }
 
+  rsvp(type, action) {
+    let id
+
+    return new Promise((resolve, reject) => {
+      id = this.seq.next().value
+      let win = this.current(type)
+
+      if (win == null)
+        return reject(new Error(`no ${type} window open`))
+
+      action.meta.rsvp = id
+      this.pending[id] = { resolve, reject }
+
+      win.webContents.send('dispatch', action)
+
+      // TODO reject pending after timeout!
+
+    }).finally(() => { delete this.pending[id] })
+  }
+
   setTitle(type, title, frameless = false) {
     if (!frameless || !(darwin && EL_CAPITAN)) {
       this.each(type, win => win.setTitle(title))
diff --git a/src/commands/api.js b/src/commands/api.js
new file mode 100644
index 0000000000..8448c63f62
--- /dev/null
+++ b/src/commands/api.js
@@ -0,0 +1,112 @@
+'use strict'
+
+const { select } = require('redux-saga/effects')
+const { Command } = require('./command')
+const { API } = require('../constants')
+const { pluck } = require('../common/util')
+const { serialize } = require('../export/note')
+//const act = require('../actions')
+//const mod = require('../models')
+
+
+class ItemFind extends Command {
+  static get ACTION() {
+    return API.ITEM.FIND
+  }
+
+  *exec() {
+  }
+}
+
+class ItemShow extends Command {
+  static get ACTION() {
+    return API.ITEM.SHOW
+  }
+
+  *exec() {
+    let { id } = this.action.payload
+    let item = yield select(state => state.items[id])
+    return item
+  }
+}
+
+class NoteShow extends Command {
+  static get ACTION() {
+    return API.NOTE.SHOW
+  }
+
+  *exec() {
+    let { id, format } = this.action.payload
+
+    let note = yield select(state => state.notes[id])
+
+    if (note == null)
+      return null
+
+    switch (format) {
+      case 'html':
+        return serialize(note, { format: { html: true }, localize: false }).html
+      case 'plain':
+      case 'text':
+        return note.text
+      case 'md':
+      case 'markdown':
+        return serialize(note, {
+          format: { markdown: true },
+          localize: false
+        }).markdown
+      default:
+        return note
+    }
+  }
+}
+
+class PhotoFind extends Command {
+  static get ACTION() {
+    return API.PHOTO.FIND
+  }
+
+  *exec() {
+    let { item } = this.action.payload
+    let { items, photos } = yield select()
+
+    if (!(item in items))
+      return null
+
+    return pluck(photos, items[item].photos)
+  }
+}
+
+class PhotoShow extends Command {
+  static get ACTION() {
+    return API.PHOTO.SHOW
+  }
+
+  *exec() {
+    let { id } = this.action.payload
+    let photo = yield select(state => state.photos[id])
+    return photo
+  }
+}
+
+class SelectionShow extends Command {
+  static get ACTION() {
+    return API.SELECTION.SHOW
+  }
+
+  *exec() {
+    let { id } = this.action.payload
+    let selection = yield select(state => state.selections[id])
+    return selection
+  }
+}
+
+
+module.exports = {
+  ItemFind,
+  ItemShow,
+  NoteShow,
+  PhotoFind,
+  PhotoShow,
+  SelectionShow
+}
diff --git a/src/commands/index.js b/src/commands/index.js
index 0f1fd9120d..9ac6eb6ffd 100644
--- a/src/commands/index.js
+++ b/src/commands/index.js
@@ -6,6 +6,7 @@ const handles = map(([, cmd]) => [cmd.ACTION, cmd])
 module.exports = {
 
   ...seq(require('./cache'), handles),
+  ...seq(require('./api'), handles),
   ...seq(require('./item'), handles),
   ...seq(require('./list'), handles),
   ...seq(require('./metadata'), handles),
diff --git a/src/common/api.js b/src/common/api.js
new file mode 100644
index 0000000000..24613b11e9
--- /dev/null
+++ b/src/common/api.js
@@ -0,0 +1,155 @@
+'use strict'
+
+const Koa = require('koa')
+const Router = require('@koa/router')
+const act = require('../actions/api')
+
+const show = (type) =>
+  async (ctx) => {
+    let { params, rsvp } = ctx
+
+    let { payload } = await rsvp('project', act[type].show({
+      id: params[type]
+    }))
+
+    if (payload != null)
+      ctx.body = payload
+    else
+      ctx.status = 404
+  }
+
+const project = {
+  async import(ctx) {
+    let { assert, query, rsvp } = ctx
+
+    assert.ok(query.file, 400, 'missing file parameter')
+
+    let { payload } = await rsvp('project', act.import({
+      files: query.file,
+      list: query.list
+    }))
+
+    ctx.body = payload
+  },
+
+  items: {
+    async find(ctx) {
+      let { query, rsvp } = ctx
+
+      let { payload } = await rsvp('project', act.item.find({
+        tags: query.tag
+      }))
+
+      ctx.body = payload
+    },
+
+    show: show('item')
+  },
+
+  notes: {
+    async show(ctx) {
+      let { assert, params, query, rsvp } = ctx
+
+      if (query.format)
+        assert(
+          (/^(json|html|plain|text|md|markdown)$/).test(query.format),
+          400,
+          'format unknown')
+
+      let { payload } = await rsvp('project', act.note.show({
+        id: params.note,
+        format: query.format
+      }))
+
+      if (payload != null) {
+        if (query.format === 'html')
+          ctx.type = 'text/html'
+        if (query.format === 'markdown' || query.format === 'md')
+          ctx.type = 'text/markdown'
+
+        ctx.body = payload
+
+      } else {
+        ctx.status = 404
+      }
+    }
+  },
+
+  photos: {
+    async find(ctx) {
+      let { params, rsvp } = ctx
+
+      let { payload } = await rsvp('project', act.photo.find({
+        item: params.item
+      }))
+
+      if (payload != null)
+        ctx.body = payload
+      else
+        ctx.status = 404
+    },
+
+    show: show('photo')
+  },
+
+  selections: {
+    show: show('selection')
+  }
+}
+
+const create = ({ dispatch, log, rsvp, version }) => {
+  let app = new Koa
+  let api = new Router
+
+  app.silent = true
+  app.on('error', e => {
+    log.error({
+      stack: e.stack,
+      status: e.status
+    }, e.message)
+  })
+
+  app.context.dispatch = dispatch
+  app.context.log = log
+  app.context.rsvp = rsvp
+
+  api
+    .get('/project/import', project.import)
+
+    .get('/project/items', project.items.find)
+    .get('/project/items/:item', project.items.show)
+    .get('/project/items/:item/photos', project.photos.find)
+
+    .get('/project/notes/:note', project.notes.show)
+    .get('/project/photos/:photo', project.photos.show)
+    .get('/project/selections/:selection', project.photos.show)
+
+
+    .get('/version', (ctx) => {
+      ctx.body = { version }
+    })
+
+  app
+    .use(logging)
+    .use(api.routes())
+    .use(api.allowedMethods())
+
+  return app
+}
+
+const logging = async (ctx, next) => {
+  const START = Date.now()
+  await next()
+
+  ctx.log.debug({
+    ms: Date.now() - START,
+    status: ctx.status,
+    method: ctx.method,
+    query: ctx.query,
+    url: ctx.url
+  })
+}
+
+module.exports = {
+  create
+}
diff --git a/src/constants/api.js b/src/constants/api.js
new file mode 100644
index 0000000000..0760f4a94e
--- /dev/null
+++ b/src/constants/api.js
@@ -0,0 +1,26 @@
+'use strict'
+
+module.exports = {
+  ITEM: {
+    FIND: 'api.item.find',
+    SHOW: 'api.item.show'
+  },
+
+  PHOTO: {
+    FIND: 'api.photo.find',
+    SHOW: 'api.photo.show'
+  },
+
+  SELECTION: {
+    SHOW: 'api.selection.show'
+  },
+
+  NOTE: {
+    SHOW: 'api.note.show'
+  },
+
+  TAG: {
+    LIST: 'api.tag.list',
+    SHOW: 'api.tag.show'
+  }
+}
diff --git a/src/constants/index.js b/src/constants/index.js
index 32241a402d..00c5808862 100644
--- a/src/constants/index.js
+++ b/src/constants/index.js
@@ -2,6 +2,7 @@
 
 module.exports = {
   ACTIVITY: require('./activity'),
+  API: require('./api'),
   CACHE: require('./cache'),
   CONTEXT: require('./context'),
   DND: require('./dnd'),
diff --git a/src/sagas/ipc.js b/src/sagas/ipc.js
index ba6ffc45ae..20051ea4fc 100644
--- a/src/sagas/ipc.js
+++ b/src/sagas/ipc.js
@@ -7,49 +7,11 @@ const {
 
 const { ipcRenderer: ipc } = require('electron')
 const { warn } = require('../common/log')
-const { identity } = require('../common/util')
 const history = require('../selectors/history')
 const { getAllTags } = require('../selectors')
 const { TAG, HISTORY } = require('../constants')
 
-
-module.exports = {
-
-  *forward(filter, { type, payload, meta }) {
-    try {
-      const event = meta.ipc === true ? type : meta.ipc
-      const data = yield call(filter[event] || identity, payload)
-
-      yield call([ipc, ipc.send], event, data)
-
-    } catch (e) {
-      warn({ stack: e.stack }, 'unexpected error in *ipc:forward')
-    }
-  },
-
-  *receive() {
-    const disp = yield call(channel, 'dispatch')
-
-    while (true) {
-      try {
-        const action = yield take(disp)
-        yield put(action)
-
-      } catch (e) {
-        warn({ stack: e.stack }, 'unexpected error in *ipc:receive')
-      }
-    }
-  },
-
-  *ipc() {
-    yield every(({ meta }) => meta && meta.ipc, module.exports.forward, FILTER)
-    yield fork(module.exports.receive)
-  }
-
-}
-
-
-const FILTER = {
+const filters = {
   *[HISTORY.CHANGED]() {
     const summary = yield select(history.summary)
     const messages = yield select(state => state.intl.messages)
@@ -70,6 +32,39 @@ const FILTER = {
   }
 }
 
+function *forward({ type, payload, meta }) {
+  try {
+    let name = meta.ipc === true ? type : meta.ipc
+
+    let data = (name in filters) ?
+      yield call(filters[name], payload) :
+      payload
+
+    yield call([ipc, ipc.send], name, data)
+
+  } catch (e) {
+    warn({ stack: e.stack }, 'unexpected error in *ipc:forward')
+  }
+}
+
+function *rsvp(action) {
+  try {
+    yield call([ipc, ipc.send], 'wm', 'rsvp', action)
+
+  } catch (e) {
+    warn({ stack: e.stack }, 'unexpected error in *ipc:rsvp')
+  }
+}
+
+function *receive() {
+  let dispatches = yield call(channel, 'dispatch')
+
+  while (true) {
+    let action = yield take(dispatches)
+    yield put(action)
+  }
+}
+
 function channel(name) {
   return eventChannel(emitter => {
     const listener = (_, ...actions) => {
@@ -85,3 +80,12 @@ function channel(name) {
     return () => ipc.removeListener(name, listener)
   })
 }
+
+module.exports = {
+  *ipc() {
+    yield every(({ error, meta }) => !error && meta && meta.ipc, forward)
+    yield every(({ meta }) => meta && meta.rsvp && meta.done, rsvp)
+
+    yield fork(receive)
+  }
+}