Fix URI RFC3986 parsing and invalid characters

BaseUri.php

@@ -518,7 +518,12 @@ final protected static function formatPathWithEmptyBaseQuery(string $path): stri
     #[Deprecated(message:'no longer used by the isSameDocument method', since:'league/uri-interfaces:7.6.0')]
     final protected function normalize(Psr7UriInterface|UriInterface $uri): string
     {
-        return UriString::normalize($uri->withScheme($uri instanceof Psr7UriInterface ? '' : null));
+        $newUri = $uri->withScheme($uri instanceof Psr7UriInterface ? '' : null);
+        if ('' === $newUri->__toString()) {
+            return '';
+        }
+
+        return UriString::normalize($newUri);
     }
 
 

Http.php

@@ -80,7 +80,7 @@ private function normalizePsr7Uri(UriInterface $uri): UriInterface
      */
     public static function new(Stringable|string $uri = ''): self
     {
-        return self::fromComponents(UriString::parse($uri));
+        return new self(Uri::new($uri));
     }
 
     /**

HttpTest.php

@@ -133,10 +133,6 @@ public static function validUrlProvider(): array
                 'http://login:[email protected]/',
                 'http://login:[email protected]/',
             ],
-            'empty string' => [
-                '',
-                '',
-            ],
         ];
     }
 

Uri.php

@@ -434,6 +434,11 @@ public static function tryNew(Stringable|string|null $uri = ''): ?self
      */
     public static function new(Stringable|string $uri = ''): self
     {
+        $uri = (string) $uri;
+        if ('' === $uri) {
+            return new self(null, null, null, null, null, '', null, null);
+        }
+
         $components = UriString::parse($uri);
 
         return new self(
@@ -473,16 +478,7 @@ public static function fromBaseUri(
         Stringable|string $uri,
         Stringable|string|null $baseUri = null
     ): self {
-        $uri = self::new($uri);
-        $baseUri = self::tryNew($baseUri) ?? $uri;
-
-        /** @var self $uri */
-        $uri = match (true) {
-            $baseUri->isAbsolute() => $baseUri->resolve($uri),
-            default => throw new SyntaxError('the URI `'.$baseUri.'` must be absolute.'),
-        };
-
-        return $uri;
+        return self::new(UriString::resolve($uri, $baseUri));
     }
 
     /**
@@ -1670,7 +1666,12 @@ public function equals(UriInterface|Stringable|string $uri, bool $excludeFragmen
      */
     public function normalize(): UriInterface
     {
-        return self::new(UriString::normalize($this->toString()));
+        $uriString = $this->toString();
+        if ('' === $uriString) {
+            return $this;
+        }
+
+        return self::new(UriString::normalize($uriString));
     }
 
     /**