Add irc

2026-08-12 23:50:49 -04:00
parent bbfe873414
commit 1187e30cf6
53 changed files with 6693 additions and 32 deletions
@@ -0,0 +1,49 @@
+/** SASL PLAIN (IRCv3). No import. */
+
+function bareIrcB64Encode(bytes) {
+  var table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+  var s = ''
+  var i = 0
+  while (i < bytes.length) {
+    var a = bytes[i++]
+    var b = i < bytes.length ? bytes[i++] : NaN
+    var c = i < bytes.length ? bytes[i++] : NaN
+    var triple =
+      ((a & 255) << 16) |
+      ((Number.isFinite(b) ? b & 255 : 0) << 8) |
+      (Number.isFinite(c) ? c & 255 : 0)
+    s += table.charAt((triple >> 18) & 63)
+    s += table.charAt((triple >> 12) & 63)
+    s += Number.isFinite(b) ? table.charAt((triple >> 6) & 63) : '='
+    s += Number.isFinite(c) ? table.charAt(triple & 63) : '='
+  }
+  return s
+}
+
+function bareIrcUtf8Bytes(str) {
+  var s = String(str == null ? '' : str)
+  if (typeof TextEncoder !== 'undefined')
+    return Array.from(new TextEncoder().encode(s))
+  var out = []
+  for (var i = 0; i < s.length; i++) out.push(s.charCodeAt(i) & 255)
+  return out
+}
+
+/**
+ * AUTHENTICATE PLAIN payload (account \0 account \0 password), chunked ≤400.
+ * @returns {string[]}
+ */
+function bareIrcSaslPlainChunks(user, pass) {
+  var u = String(user || '')
+  var p = String(pass || '')
+  var raw = bareIrcUtf8Bytes('\0' + u + '\0' + p)
+  var b64 = bareIrcB64Encode(raw)
+  var chunks = []
+  var i = 0
+  if (!b64) return ['+']
+  while (i < b64.length) {
+    chunks.push(b64.slice(i, i + 400))
+    i += 400
+  }
+  return chunks
+}