From bfeb54133b6e65ded92a27297213a85bb2ebc750 Mon Sep 17 00:00:00 2001
From: Trevor Scheer <trevor@apollographql.com>
Date: Wed, 27 Feb 2019 09:31:54 -0800
Subject: [PATCH] Add environment awareness in order to use crypto/sha.js when
 appropriate

---
 package-lock.json                           | 13 ++++++++++++-
 packages/apollo-env/package.json            |  3 ++-
 packages/apollo-env/src/index.ts            |  1 +
 packages/apollo-env/src/utils/createHash.ts | 10 ++++++++++
 packages/apollo-env/src/utils/index.ts      |  2 ++
 packages/apollo-env/src/utils/isNode.ts     |  7 +++++++
 packages/apollo-graphql/package.json        |  1 +
 packages/apollo-graphql/src/signature.ts    |  2 +-
 8 files changed, 36 insertions(+), 3 deletions(-)
 create mode 100644 packages/apollo-env/src/utils/createHash.ts
 create mode 100644 packages/apollo-env/src/utils/index.ts
 create mode 100644 packages/apollo-env/src/utils/isNode.ts

diff --git a/package-lock.json b/package-lock.json
index 4e6190398a..f868f77728 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2213,12 +2213,14 @@
       "version": "file:packages/apollo-env",
       "requires": {
         "core-js": "3.0.0-beta.13",
-        "node-fetch": "^2.2.0"
+        "node-fetch": "^2.2.0",
+        "sha.js": "^2.4.11"
       }
     },
     "apollo-graphql": {
       "version": "file:packages/apollo-graphql",
       "requires": {
+        "apollo-env": "file:packages/apollo-env",
         "lodash.sortby": "^4.7.0"
       }
     },
@@ -12290,6 +12292,15 @@
         }
       }
     },
+    "sha.js": {
+      "version": "2.4.11",
+      "resolved": "https://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz",
+      "integrity": "sha512-QMEp5B7cftE7APOjk5Y6xgrbWu+WkLVQwk8JNjZ8nKRciZaByEW6MubieAiToS7+dwvrjGhH8jRXz3MVd0AYqQ==",
+      "requires": {
+        "inherits": "^2.0.1",
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "shebang-command": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
diff --git a/packages/apollo-env/package.json b/packages/apollo-env/package.json
index 12961f1c4e..d3f56a8982 100644
--- a/packages/apollo-env/package.json
+++ b/packages/apollo-env/package.json
@@ -21,6 +21,7 @@
   },
   "dependencies": {
     "core-js": "3.0.0-beta.13",
-    "node-fetch": "^2.2.0"
+    "node-fetch": "^2.2.0",
+    "sha.js": "^2.4.11"
   }
 }
diff --git a/packages/apollo-env/src/index.ts b/packages/apollo-env/src/index.ts
index b3034e8b80..eb8d694d2d 100644
--- a/packages/apollo-env/src/index.ts
+++ b/packages/apollo-env/src/index.ts
@@ -2,3 +2,4 @@ import "./polyfills";
 import "./typescript-utility-types";
 
 export * from "../lib/fetch";
+export * from "./utils";
diff --git a/packages/apollo-env/src/utils/createHash.ts b/packages/apollo-env/src/utils/createHash.ts
new file mode 100644
index 0000000000..dae5876ca8
--- /dev/null
+++ b/packages/apollo-env/src/utils/createHash.ts
@@ -0,0 +1,10 @@
+import { isNode } from "./isNode";
+
+export function createHash(kind: string): import("crypto").Hash {
+  if (isNode) {
+    // Use module.require instead of just require to avoid bundling whatever
+    // crypto polyfills a non-Node bundler might fall back to.
+    return module.require("crypto").createHash(kind);
+  }
+  return require("sha.js")(kind);
+}
diff --git a/packages/apollo-env/src/utils/index.ts b/packages/apollo-env/src/utils/index.ts
new file mode 100644
index 0000000000..ac0a07c4c5
--- /dev/null
+++ b/packages/apollo-env/src/utils/index.ts
@@ -0,0 +1,2 @@
+export * from "./createHash";
+export * from "./isNode";
diff --git a/packages/apollo-env/src/utils/isNode.ts b/packages/apollo-env/src/utils/isNode.ts
new file mode 100644
index 0000000000..30c3489094
--- /dev/null
+++ b/packages/apollo-env/src/utils/isNode.ts
@@ -0,0 +1,7 @@
+export const isNode =
+  typeof process === "object" &&
+  process &&
+  process.release &&
+  process.release.name === "node" &&
+  process.versions &&
+  typeof process.versions.node === "string";
diff --git a/packages/apollo-graphql/package.json b/packages/apollo-graphql/package.json
index 7c1e84e3f8..c65d5e9c87 100644
--- a/packages/apollo-graphql/package.json
+++ b/packages/apollo-graphql/package.json
@@ -11,6 +11,7 @@
     "node": ">=6"
   },
   "dependencies": {
+    "apollo-env": "file:../apollo-env",
     "lodash.sortby": "^4.7.0"
   },
   "peerDependencies": {
diff --git a/packages/apollo-graphql/src/signature.ts b/packages/apollo-graphql/src/signature.ts
index deebbfbf79..aee1d2347a 100644
--- a/packages/apollo-graphql/src/signature.ts
+++ b/packages/apollo-graphql/src/signature.ts
@@ -43,8 +43,8 @@
 // the server no longer needs to parse the signature or run its own signature
 // algorithm on it, and the details of the signature algorithm are now up to the
 // reporting agent.
-import { createHash } from "crypto";
 import { DocumentNode } from "graphql";
+import { createHash } from "apollo-env";
 import {
   printWithReducedWhitespace,
   dropUnusedDefinitions,