Minor schema cosmetic code fixes, more Attribute implementation from old pla, start of LDAP DN view/edit

app/Classes/LDAP/Attribute/Schema/Mechanisms.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace App\Classes\LDAP\Attribute\Schema;
+
+use App\Classes\LDAP\Attribute\Schema;
+
+/**
+ * Represents an attribute whose values are binary
+ */
+final class Mechanisms extends Schema
+{
+	public function __toString(): string
+	{
+		return $this->values
+			->transform(function($item) {
+				$format = sprintf('<abbr class="pb-1" title="%s"><i class="fas fa-book pr-2"></i>%s</abbr>%s<p class="mb-0">%s</p>',
+					$item,
+					static::get($item,'title'),
+					($x=static::get($item,'ref')) ? sprintf('<abbr class="pl-2" title="%s"><i class="fas fa-comment-dots"></i></abbr>',$x) : '',
+					static::get($item,'desc'),
+				);
+
+				return $format;
+			})->join('<br>');
+	}
+
+	/**
+	 * Given an SASL Mechanism name, returns a verbose description of the Mechanism.
+	 * This function parses ldap_supported_saslmechanisms.txt and looks up the specified
+	 * Mechanism, and returns the verbose message defined in that file.
+	 *
+	 * <code>
+	 *  "SCRAM-SHA-1" => array:3 [▼
+	 *    "title" => "Salted Challenge Response Authentication Mechanism (SCRAM) SHA1"
+	 *    "ref" => "RFC 5802"
+	 *    "desc" => "This specification describes a family of authentication mechanisms called the Salted Challenge Response Authentication Mechanism (SCRAM) which addresses the req ▶"
+	 *  ]
+	 * </code>
+	 *
+	 * @param string $string The SASL Mechanism (ie, "SCRAM-SHA-1") of interest.
+	 * @param string $key The title|ref|desc to return
+	 * @return string|NULL
+	 */
+	protected static function get(string $string,string $key): ?string
+	{
+		return parent::_get(config_path('ldap_supported_saslmechanisms.txt'),$string,$key);
+	}
+}