From a4b3f97c97e1c143a60afe75e00ff56c0ee2900b Mon Sep 17 00:00:00 2001
From: Mark Bumiller <mark.bumiller@gmail.com>
Date: Mon, 18 Mar 2024 07:00:39 -0400
Subject: [PATCH] moving from zlib to minizlib

---
 lib/utils/miam.test.ts |  2 +-
 lib/utils/miam.ts      |  7 +++++--
 package.json           |  6 ++++--
 yarn.lock              | 32 +++++++++++++++++++++++++++++++-
 4 files changed, 41 insertions(+), 6 deletions(-)

diff --git a/lib/utils/miam.test.ts b/lib/utils/miam.test.ts
index 62e2b46..266e2a3 100644
--- a/lib/utils/miam.test.ts
+++ b/lib/utils/miam.test.ts
@@ -59,5 +59,5 @@ test('v1, compressed, acars, incomplete', () => {
   expect(decodeResult.message.data.acars.label).toBe('H1');
   expect(decodeResult.message.data.acars.sublabel).toBe('DF');
   expect(decodeResult.message.data.acars.mfi).toBe(undefined);
-  expect(decodeResult.message.data.acars.text).toBe(undefined);
+  expect(decodeResult.message.data.acars.text).toBe('A350,000130,1,1,TB000000/REP019,24,02;H01,019,24,02,6400,00175,B-18910,3,0,03,11,19,08,07,01,070/H02,NZAA YBBN,CAL054  ,S');
 })
diff --git a/lib/utils/miam.ts b/lib/utils/miam.ts
index c97b0c2..0e541c2 100644
--- a/lib/utils/miam.ts
+++ b/lib/utils/miam.ts
@@ -1,5 +1,5 @@
 import * as Base85 from 'base85';
-import * as Zlib from 'zlib';
+import * as zlib  from "minizlib";
 
 enum MIAMFid {
   SingleTransfer = 'T',
@@ -398,7 +398,10 @@ export class MIAMCoreUtils {
     if (body !== undefined && body.length > 0) {
       if ([MIAMCoreV1Compression.Deflate, MIAMCoreV2Compression.Deflate].indexOf(pduCompression) >= 0) {
         try {
-          pduData = Zlib.inflateRawSync(body, { windowBits: 15 });
+          const decompress = new zlib.InflateRaw({windowBits: 15});
+          decompress.write(body);
+          decompress.flush(zlib.constants.Z_SYNC_FLUSH);
+          pduData = decompress.read();
         } catch (e) {
           pduErrors.push('Inflation failed for body: ' + e);
         }
diff --git a/package.json b/package.json
index 177ed61..eb7ef48 100644
--- a/package.json
+++ b/package.json
@@ -27,14 +27,16 @@
   "author": "Kevin Elliott <kevin@welikeinc.com>",
   "license": "UNLICENSED",
   "dependencies": {
-    "@types/node": "^20.11.20",
-    "base85": "^3.1.0"
+    "@types/node": "^20.11.28",
+    "base85": "^3.1.0",
+    "minizlib": "^2.1.2"
   },
   "devDependencies": {
     "@babel/core": "^7.18.13",
     "@babel/preset-env": "^7.18.10",
     "@babel/preset-typescript": "^7.18.6",
     "@types/jest": "^28.1.7",
+    "@types/minizlib": "^2.1.7",
     "babel-jest": "^29.7.0",
     "jest": "^28.1.3",
     "ts-jest": "^28.0.8",
diff --git a/yarn.lock b/yarn.lock
index 65ebe7f..84f4ffa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1630,13 +1630,28 @@
     expect "^28.0.0"
     pretty-format "^28.0.0"
 
-"@types/node@*", "@types/node@^20.11.20":
+"@types/minizlib@^2.1.7":
+  version "2.1.7"
+  resolved "https://registry.yarnpkg.com/@types/minizlib/-/minizlib-2.1.7.tgz#7223874a8f31754a0d801cb194429b56e5ffcfaa"
+  integrity sha512-oKlyUX7bfj3zG6AM8rMleBHnr1X+gEx4XlQ5zByKS39gbtQmnu4nyQ3w2Agv7qinU+v8ChhFxtDUAySkCexQ+Q==
+  dependencies:
+    "@types/node" "*"
+    minipass "^3.3.5"
+
+"@types/node@*":
   version "20.11.25"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-20.11.25.tgz#0f50d62f274e54dd7a49f7704cc16bfbcccaf49f"
   integrity sha512-TBHyJxk2b7HceLVGFcpAUjsa5zIdsPWlR6XHfyGzd0SFu+/NFgQgMAl96MSDZgQDvJAvV6BKsFOrt6zIL09JDw==
   dependencies:
     undici-types "~5.26.4"
 
+"@types/node@^20.11.28":
+  version "20.11.28"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.11.28.tgz#4fd5b2daff2e580c12316e457473d68f15ee6f66"
+  integrity sha512-M/GPWVS2wLkSkNHVeLkrF2fD5Lx5UC4PxA0uZcKc6QqbIQUJyW1jVjueJYi1z8n0I5PxYrtpnPnWglE+y9A0KA==
+  dependencies:
+    undici-types "~5.26.4"
+
 "@types/prettier@^2.1.5":
   version "2.7.3"
   resolved "https://registry.yarnpkg.com/@types/prettier/-/prettier-2.7.3.tgz#3e51a17e291d01d17d3fc61422015a933af7a08f"
@@ -3150,11 +3165,26 @@ minimatch@^9.0.1:
   dependencies:
     brace-expansion "^2.0.1"
 
+minipass@^3.0.0, minipass@^3.3.5:
+  version "3.3.6"
+  resolved "https://registry.yarnpkg.com/minipass/-/minipass-3.3.6.tgz#7bba384db3a1520d18c9c0e5251c3444e95dd94a"
+  integrity sha512-DxiNidxSEK+tHG6zOIklvNOwm3hvCrbUrdtzY74U6HKTJxvIDfOUL5W5P2Ghd3DTkhhKPYGqeNUIh5qcM4YBfw==
+  dependencies:
+    yallist "^4.0.0"
+
 "minipass@^5.0.0 || ^6.0.2 || ^7.0.0":
   version "7.0.4"
   resolved "https://registry.yarnpkg.com/minipass/-/minipass-7.0.4.tgz#dbce03740f50a4786ba994c1fb908844d27b038c"
   integrity sha512-jYofLM5Dam9279rdkWzqHozUo4ybjdZmCsDHePy5V/PbBcVMiSZR97gmAy45aqi8CK1lG2ECd356FU86avfwUQ==
 
+minizlib@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-2.1.2.tgz#e90d3466ba209b932451508a11ce3d3632145931"
+  integrity sha512-bAxsR8BVfj60DWXHE3u30oHzfl4G7khkSuPW+qvpd7jFRHm7dLxOjUk1EHACJ/hxLY8phGJ0YhYHZo7jil7Qdg==
+  dependencies:
+    minipass "^3.0.0"
+    yallist "^4.0.0"
+
 ms@2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"