76 lines
2.0 KiB
Dart
76 lines
2.0 KiB
Dart
import 'package:http/http.dart' as http;
|
|
import 'dart:convert';
|
|
|
|
class UriUtility {
|
|
static bool isURL(String url) {
|
|
// Validate if the URL string is empty, or contains spaces or invalid characters
|
|
if (url.isEmpty || RegExp(r'[\s<>]').hasMatch(url)) {
|
|
print('URL is either empty or contains spaces/invalid characters.');
|
|
return false;
|
|
}
|
|
|
|
// Check for 'mailto:' at the start of the URL
|
|
if (url.startsWith('mailto:')) {
|
|
print('URL starts with "mailto:".');
|
|
return false;
|
|
}
|
|
|
|
// Try to parse the URL, return false if parsing fails
|
|
Uri? uri;
|
|
try {
|
|
uri = Uri.parse(url);
|
|
} catch (e) {
|
|
print('URL parsing failed: $e');
|
|
return false;
|
|
}
|
|
|
|
// Validate the URL has a scheme (protocol) and host
|
|
if (uri.scheme.isEmpty || uri.host.isEmpty) {
|
|
print('URL is missing a scheme (protocol) or host.');
|
|
return false;
|
|
}
|
|
|
|
// Check if the URI has user info, which is not a common case for a valid HTTP/HTTPS URL
|
|
if (uri.hasAuthority &&
|
|
uri.userInfo.contains(':') &&
|
|
uri.userInfo.split(':').length > 2) {
|
|
print('URL contains invalid user info.');
|
|
return false;
|
|
}
|
|
|
|
// Validate the port number if exists
|
|
if (uri.hasPort && (uri.port <= 0 || uri.port > 65535)) {
|
|
print('URL contains an invalid port number.');
|
|
return false;
|
|
}
|
|
|
|
print('URL is valid.');
|
|
return true;
|
|
}
|
|
|
|
Future<bool> isValidGitHubRepo(String repoUrl) async {
|
|
var uri = Uri.parse(repoUrl);
|
|
if (uri.host != 'github.com') {
|
|
return false;
|
|
}
|
|
|
|
var segments = uri.pathSegments;
|
|
if (segments.length < 2) {
|
|
return false;
|
|
}
|
|
|
|
var user = segments[0];
|
|
var repo = segments[1];
|
|
|
|
var apiUri = Uri.https('api.github.com', '/repos/$user/$repo');
|
|
|
|
var response = await http.get(apiUri);
|
|
if (response.statusCode != 200) {
|
|
return false;
|
|
}
|
|
|
|
var data = json.decode(response.body);
|
|
return data is Map && data['full_name'] == '$user/$repo';
|
|
}
|
|
}
|