summaryrefslogtreecommitdiff
path: root/includes/external/school/node_modules/data-urls/lib
diff options
context:
space:
mode:
authorMinteck <contact@minteck.org>2023-02-23 19:34:56 +0100
committerMinteck <contact@minteck.org>2023-02-23 19:34:56 +0100
commit3d1cd02f27518f1a04374c7c8320cd5d82ede6e9 (patch)
tree75be5fba4368472fb11c8015aee026b2b9a71888 /includes/external/school/node_modules/data-urls/lib
parent8cc1f13c17fa2fb5a4410542d39e650e02945634 (diff)
downloadpluralconnect-3d1cd02f27518f1a04374c7c8320cd5d82ede6e9.tar.gz
pluralconnect-3d1cd02f27518f1a04374c7c8320cd5d82ede6e9.tar.bz2
pluralconnect-3d1cd02f27518f1a04374c7c8320cd5d82ede6e9.zip
Updated 40 files, added 37 files, deleted 1103 files and renamed 3905 files (automated)
Diffstat (limited to 'includes/external/school/node_modules/data-urls/lib')
-rw-r--r--includes/external/school/node_modules/data-urls/lib/parser.js74
-rw-r--r--includes/external/school/node_modules/data-urls/lib/utils.js23
2 files changed, 97 insertions, 0 deletions
diff --git a/includes/external/school/node_modules/data-urls/lib/parser.js b/includes/external/school/node_modules/data-urls/lib/parser.js
new file mode 100644
index 0000000..37be0ef
--- /dev/null
+++ b/includes/external/school/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$/.exec(mimeType);
+ if (mimeTypeBase64MatchResult) {
+ const stringBody = isomorphicDecode(body);
+ body = forgivingBase64Decode(stringBody);
+
+ if (body === null) {
+ return null;
+ }
+ mimeType = mimeTypeBase64MatchResult[1];
+ }
+
+ if (mimeType.startsWith(";")) {
+ mimeType = "text/plain" + mimeType;
+ }
+
+ let mimeTypeRecord;
+ try {
+ mimeTypeRecord = new MIMEType(mimeType);
+ } catch (e) {
+ mimeTypeRecord = new MIMEType("text/plain;charset=US-ASCII");
+ }
+
+ return {
+ mimeType: mimeTypeRecord,
+ body
+ };
+};
diff --git a/includes/external/school/node_modules/data-urls/lib/utils.js b/includes/external/school/node_modules/data-urls/lib/utils.js
new file mode 100644
index 0000000..213029f
--- /dev/null
+++ b/includes/external/school/node_modules/data-urls/lib/utils.js
@@ -0,0 +1,23 @@
+"use strict";
+const { percentDecode } = require("whatwg-url");
+const { atob } = require("abab");
+
+exports.stripLeadingAndTrailingASCIIWhitespace = string => {
+ return string.replace(/^[ \t\n\f\r]+/, "").replace(/[ \t\n\f\r]+$/, "");
+};
+
+exports.stringPercentDecode = input => {
+ return percentDecode(Buffer.from(input, "utf-8"));
+};
+
+exports.isomorphicDecode = input => {
+ return input.toString("binary");
+};
+
+exports.forgivingBase64Decode = data => {
+ const asString = atob(data);
+ if (asString === null) {
+ return null;
+ }
+ return Buffer.from(asString, "binary");
+};