From 2c4ae43e688a9873e86211ea0e7aeb9ba770dd77 Mon Sep 17 00:00:00 2001
From: Minteck <contact@minteck.org>
Date: Tue, 18 Oct 2022 08:59:09 +0200
Subject: Update

---
 alarm/node_modules/data-urls/lib/parser.js | 74 ++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 alarm/node_modules/data-urls/lib/parser.js

(limited to 'alarm/node_modules/data-urls/lib/parser.js')

diff --git a/alarm/node_modules/data-urls/lib/parser.js b/alarm/node_modules/data-urls/lib/parser.js
new file mode 100644
index 0000000..37be0ef
--- /dev/null
+++ b/alarm/node_modules/data-urls/lib/parser.js
@@ -0,0 +1,74 @@
+"use strict";
+const MIMEType = require("whatwg-mimetype");
+const { parseURL, serializeURL } = require("whatwg-url");
+const {
+  stripLeadingAndTrailingASCIIWhitespace,
+  stringPercentDecode,
+  isomorphicDecode,
+  forgivingBase64Decode
+} = require("./utils.js");
+
+module.exports = stringInput => {
+  const urlRecord = parseURL(stringInput);
+
+  if (urlRecord === null) {
+    return null;
+  }
+
+  return module.exports.fromURLRecord(urlRecord);
+};
+
+module.exports.fromURLRecord = urlRecord => {
+  if (urlRecord.scheme !== "data") {
+    return null;
+  }
+
+  const input = serializeURL(urlRecord, true).substring("data:".length);
+
+  let position = 0;
+
+  let mimeType = "";
+  while (position < input.length && input[position] !== ",") {
+    mimeType += input[position];
+    ++position;
+  }
+  mimeType = stripLeadingAndTrailingASCIIWhitespace(mimeType);
+
+  if (position === input.length) {
+    return null;
+  }
+
+  ++position;
+
+  const encodedBody = input.substring(position);
+
+  let body = stringPercentDecode(encodedBody);
+
+  // Can't use /i regexp flag because it isn't restricted to ASCII.
+  const mimeTypeBase64MatchResult = /(.*); *[Bb][Aa][Ss][Ee]64$/.exec(mimeType);
+  if (mimeTypeBase64MatchResult) {
+    const stringBody = isomorphicDecode(body);
+    body = forgivingBase64Decode(stringBody);
+
+    if (body === null) {
+      return null;
+    }
+    mimeType = mimeTypeBase64MatchResult[1];
+  }
+
+  if (mimeType.startsWith(";")) {
+    mimeType = "text/plain" + mimeType;
+  }
+
+  let mimeTypeRecord;
+  try {
+    mimeTypeRecord = new MIMEType(mimeType);
+  } catch (e) {
+    mimeTypeRecord = new MIMEType("text/plain;charset=US-ASCII");
+  }
+
+  return {
+    mimeType: mimeTypeRecord,
+    body
+  };
+};
-- 
cgit