/// <summary>
/// Processes XmlRpc request and output back response.
/// </summary>
/// <remarks>
/// Inject any non-singleton dependencies here instead of at the constructor since core 2.
/// </remarks>
public async Task Invoke(HttpContext context, IMetaWeblogService service, IXmlRpcHelper helper)
{
try
{
// get xml from request
var sr = new StreamReader(context.Request.Body);
var xml = await sr.ReadToEndAsync();
// get req and resp ready
var request = helper.ParseRequest(xml);
var response = new XmlRpcResponse();
var rootUrl = $"{context.Request.Scheme}://{context.Request.Host}";
_logger.LogDebug("{@RpcMethod} {@RpcReqXml}", request.MethodName, xml);
switch (request.MethodName)
{
case "blogger.getUsersBlogs":
case "metaWeblog.getUsersBlogs":
response.BlogInfos = await service.GetUsersBlogsAsync(request.AppKey, request.UserName, request.Password, rootUrl);
break;
case "metaWeblog.newPost":
response.PostId = await service.NewPostAsync(request.BlogId, request.UserName, request.Password, request.Post, request.Publish);
break;
case "metaWeblog.editPost":
response.Completed = await service.EditPostAsync(request.PostId, request.UserName, request.Password, request.Post, request.Publish);
break;
case "blogger.deletePost":
response.Completed = await service.DeletePostAsync(request.AppKey, request.PostId, request.UserName, request.Password);
break;
case "metaWeblog.getPost":
response.Post = await service.GetPostAsync(request.PostId, request.UserName, request.Password, rootUrl);
break;
case "metaWeblog.getRecentPosts":
response.Posts = await service.GetRecentPostsAsync(request.BlogId, request.UserName, request.Password, request.NumberOfPosts, rootUrl);
break;
case "metaWeblog.newMediaObject":
response.MediaInfo = await service.NewMediaObjectAsync(request.BlogId, request.UserName, request.Password, request.MediaObject, context);
break;
case "metaWeblog.getCategories":
response.Categories = await service.GetCategoriesAsync(request.BlogId, request.UserName, request.Password, rootUrl);
break;
case "wp.newCategory":
response.CategoryId = await service.CreateCategoryAsync(request.CategoryTitle, request.UserName, request.Password);
break;
case "wp.getTags":
response.Keywords = await service.GetKeywordsAsync(request.BlogId, request.UserName, request.Password);
break;
default:
throw new MetaWeblogException(EMetaWeblogCode.UnknownMethod, $"Unknown Method. ({request.MethodName})");
}
string output = helper.BuildOutput(request.MethodName, response);
_logger.LogDebug("{@RpcMethod} {@RpcRespXml}", request.MethodName, output);
context.Response.ContentType = "text/xml";
await context.Response.WriteAsync(output, Encoding.UTF8);
}
catch (Exception ex)
{
if (ex is MetaWeblogException metaEx)
{
_logger.LogError("MetaWeblog <{EventId}> " + metaEx.Message, metaEx.Code);
string output = helper.BuildFaultOutput(metaEx);
await context.Response.WriteAsync(output, Encoding.UTF8);
}
else
{
_logger.LogError("MetaWeblog <{EventId}> " + ex.Message, EMetaWeblogCode.UnknownCause);
string output = helper.BuildFaultOutput((int)EMetaWeblogCode.UnknownCause, ex.Message);
await context.Response.WriteAsync(output, Encoding.UTF8);
}
}
}
public MetaWeblogRequestProcessor(
IMetaWeblogService metaWeblogService)
{
service = metaWeblogService;
}
