1 files changed, 38 insertions, 0 deletions
diff --git a/webclients/novnc/core/inflator.js b/webclients/novnc/core/inflator.js
new file mode 100644
index 0000000..a4d6ff6
--- /dev/null
+++ b/webclients/novnc/core/inflator.js
@@ -0,0 +1,38 @@
+import { inflateInit, inflate, inflateReset } from "../vendor/pako/lib/zlib/inflate.js";
+import ZStream from "../vendor/pako/lib/zlib/zstream.js";
+
+Inflate.prototype = {
+    inflate: function (data, flush, expected) {
+        this.strm.input = data;
+        this.strm.avail_in = this.strm.input.length;
+        this.strm.next_in = 0;
+        this.strm.next_out = 0;
+
+        // resize our output buffer if it's too small
+        // (we could just use multiple chunks, but that would cause an extra
+        // allocation each time to flatten the chunks)
+        if (expected > this.chunkSize) {
+            this.chunkSize = expected;
+            this.strm.output = new Uint8Array(this.chunkSize);
+        }
+
+        this.strm.avail_out = this.chunkSize;
+
+        inflate(this.strm, flush);
+
+        return new Uint8Array(this.strm.output.buffer, 0, this.strm.next_out);
+    },
+
+    reset: function () {
+        inflateReset(this.strm);
+    }
+};
+
+export default function Inflate() {
+    this.strm = new ZStream();
+    this.chunkSize = 1024 * 10 * 10;
+    this.strm.output = new Uint8Array(this.chunkSize);
+    this.windowBits = 5;
+
+    inflateInit(this.strm, this.windowBits);
+};