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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
| using UpnpSharp.Utils; | ||
|
|
||
| namespace UpnpSharp.Ssdp | ||
| { | ||
| public class SsdpService | ||
| { | ||
| string baseUrl, scpdUrl; | ||
| protected SsdpDeviceService serviceXml; | ||
|
|
||
| public string Type => this.serviceXml.ServiceType; | ||
| public string Id => this.serviceXml.ServiceId; | ||
| public string ScpdUrl => scpdUrl; | ||
| public string ControlUrl => this.serviceXml.ControlUrl; | ||
| public string EventSubUrl => this.serviceXml.EventSubUrl; | ||
| public string BaseUrl => baseUrl; | ||
| public string? Description { get; protected set; } | ||
| public Dictionary<string, string> Actions { get; protected set; } = new(); | ||
|
|
||
| public SsdpService(string baseUrl, SsdpDeviceService service) | ||
| { | ||
| this.serviceXml = service; | ||
|
|
||
| this.baseUrl = baseUrl; | ||
| this.scpdUrl = service.ScpdUrl; | ||
|
|
||
| UrlParser baseUri = new UrlParser(baseUrl); | ||
| UrlParser scpdUri = new UrlParser(scpdUrl); | ||
| if (baseUri.Scheme != Uri.UriSchemeHttp) | ||
| { | ||
| throw new Exception($"Unsupported url scheme: {baseUri.Scheme}"); | ||
| } | ||
|
|
||
| if (scpdUri.Scheme == Uri.UriSchemeHttp) | ||
| { | ||
| if (scpdUri.Host != baseUri.Host) throw new Exception($"Host doesn't match: \"{scpdUri.Host}\" and \"{baseUri.Host}\""); | ||
| } | ||
| else if (string.IsNullOrWhiteSpace(scpdUri.Scheme)) | ||
| { | ||
| if (scpdUrl.StartsWith('/')) this.scpdUrl = $"{baseUri.Scheme}://{baseUri.Host}:{baseUri.Port}{scpdUrl}"; | ||
| else this.scpdUrl = $"{baseUri.Scheme}://{baseUri.Host}:{baseUri.Port}/{scpdUri.ToString()}"; | ||
| } | ||
| else throw new Exception($"Unsupported url scheme: {scpdUri.Scheme}"); | ||
|
|
||
| RequestDescription().Wait(); | ||
| RequestStateVariables(); | ||
| RequestActions(); | ||
| } | ||
|
|
||
| private void RequestActions() | ||
| { | ||
| Console.WriteLine(this.Description); | ||
| } | ||
|
|
||
| private void RequestStateVariables() | ||
| { | ||
| return; | ||
| } | ||
|
|
||
| public async Task RequestDescription() | ||
| { | ||
| HttpClient client = new HttpClient(); | ||
| var response = await client.GetAsync(this.ScpdUrl); | ||
| if (!response.IsSuccessStatusCode) | ||
| { | ||
| this.Description = null; | ||
| throw new Exception($"Unsuccessful request: 2xx or 3xx status code expected, got {response.StatusCode}."); | ||
| } | ||
| this.Description = await response.Content.ReadAsStringAsync(); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| using System; | ||
| using System.Text.RegularExpressions; | ||
|
|
||
| namespace UpnpSharp.Utils | ||
| { | ||
| public class UrlParser | ||
| { | ||
| public string Scheme { get; protected set; } = string.Empty; | ||
| public string Host { get; protected set; } = string.Empty; | ||
| public ushort Port { get; protected set; } = 0; | ||
| public string Path { get; protected set; } = string.Empty; | ||
|
|
||
| public UrlParser(string uri) | ||
| { | ||
| if (string.IsNullOrEmpty(uri)) | ||
| throw new ArgumentNullException(nameof(uri), "The URI cannot be null or empty."); | ||
|
|
||
| ParseUri(uri); | ||
| } | ||
|
|
||
| private void ParseUri(string uri) | ||
| { | ||
| var schemeMatch = Regex.Match(uri, @"^(?<scheme>[a-zA-Z][a-zA-Z0-9+.-]*):"); | ||
| if (schemeMatch.Success) | ||
| { | ||
| Scheme = schemeMatch.Groups["scheme"].Value; | ||
| uri = uri.Substring(Scheme.Length + 1); // Remove scheme from uri | ||
| } | ||
|
|
||
| var authorityMatch = Regex.Match(uri, @"^//(?<authority>[^/]+)"); | ||
| if (authorityMatch.Success) | ||
| { | ||
| var authority = authorityMatch.Groups["authority"].Value; | ||
| uri = uri.Substring(authority.Length + 2); // Remove authority from uri | ||
|
|
||
| var hostPortMatch = Regex.Match(authority, @"^(?<host>[^:]+)(:(?<port>\d+))?$"); | ||
| if (hostPortMatch.Success) | ||
| { | ||
| Host = hostPortMatch.Groups["host"].Value; | ||
| Port = hostPortMatch.Groups["port"].Success ? ushort.Parse(hostPortMatch.Groups["port"].Value) : GetDefaultPort(Scheme); | ||
| } | ||
| } | ||
|
|
||
| Path = uri; | ||
| } | ||
|
|
||
| private ushort GetDefaultPort(string scheme) | ||
| { | ||
| switch (scheme?.ToLower()) | ||
| { | ||
| case "http": | ||
| return 80; | ||
| case "https": | ||
| return 443; | ||
| case "ftp": | ||
| return 21; | ||
| default: | ||
| return 0; | ||
| } | ||
| } | ||
| } | ||
| } |