private async Task OnViewXML(OWINEnv env, Dictionary<string, string> query, CancellationToken cancel_token)
{
var data = BuildViewXml();
env.SetResponseStatusCode(HttpStatusCode.OK);
env.SetResponseHeader("Content-Type", "text/xml");
env.SetResponseHeader("Content-Length", data.Length.ToString());
if (env.RequestMethod!="HEAD") {
await env.ResponseBody.WriteAsync(data, 0, data.Length, cancel_token).ConfigureAwait(false);
}
}
private string GetPhysicalPath(OWINEnv env)
{
string physical_path;
if (virtualPhysicalPathMap.TryGetValue(env.RequestPathBase, out physical_path))
{
return(Path.GetFullPath(Path.Combine(physical_path, env.RequestPath)));
}
else
{
return(null);
}
}
private async Task OnStop(OWINEnv env, Dictionary<string, string> query, CancellationToken cancel_token)
{
var channel = FindChannelFromQuery(query);
if (channel!=null) {
Application.PeerCast.CloseChannel(channel);
env.SetResponseStatusCode(HttpStatusCode.OK);
await env.SetResponseBodyAsync("OK", cancel_token).ConfigureAwait(false);
}
else {
env.SetResponseStatusCode(HttpStatusCode.NotFound);
await env.SetResponseBodyAsync("Channel NotFound", cancel_token).ConfigureAwait(false);
}
}
private async Task SendResponseMoveToIndex(OWINEnv env, CancellationToken cancel_token)
{
var content = System.Text.Encoding.UTF8.GetBytes("Moving...");
env.SetResponseHeader("Content-Type", "text/plain");
env.SetResponseHeader("Content-Length", content.Length.ToString());
env.SetResponseHeader("Location", "/html/index.html");
if (env.AccessControlInfo.AuthenticationKey != null)
{
env.SetResponseHeader("Set-Cookie", "auth=" + HTTPUtils.CreateAuthorizationToken(env.AccessControlInfo.AuthenticationKey));
}
env.ResponseStatusCode = (int)HttpStatusCode.Moved;
if (env.RequestMethod == "GET")
{
await env.ResponseBody.WriteAsync(content, 0, content.Length, cancel_token).ConfigureAwait(false);
}
}
private async Task SendResponseChannelList(OWINEnv env, CancellationToken cancel_token)
{
var channel_list = await GetYPChannels().ConfigureAwait(false);
var contents = System.Text.Encoding.UTF8.GetBytes(ChannelsToIndex(channel_list));
env.SetResponseHeader("Content-Type", "text/plain;charset=utf-8");
env.SetResponseHeader("Content-Length", contents.Length.ToString());
if (env.AccessControlInfo.AuthenticationKey != null)
{
env.SetResponseHeader("Set-Cookie", "auth=" + HTTPUtils.CreateAuthorizationToken(env.AccessControlInfo.AuthenticationKey));
}
if (env.RequestMethod == "GET")
{
await env.ResponseBody.WriteAsync(contents, 0, contents.Length, cancel_token).ConfigureAwait(false);
}
}
private async Task OnProcess(IDictionary<string, object> owinenv)
{
var env = new OWINEnv(owinenv);
var cancel_token = env.CallCanlelled;
try {
if (!HTTPUtils.CheckAuthorization(env.GetAuthorizationToken(), env.AccessControlInfo)) {
throw new HTTPError(HttpStatusCode.Unauthorized);
}
if (env.RequestMethod!="HEAD" && env.RequestMethod!="GET") {
throw new HTTPError(HttpStatusCode.MethodNotAllowed);
}
var query = env.RequestParameters;
string value;
if (query.TryGetValue("cmd", out value)) {
switch (value) {
case "viewxml": //リレー情報XML出力
await OnViewXML(env, query, cancel_token).ConfigureAwait(false);
break;
case "stop": //チャンネル停止
await OnStop(env, query, cancel_token).ConfigureAwait(false);
break;
case "bump": //チャンネル再接続
await OnBump(env, query, cancel_token).ConfigureAwait(false);
break;
default:
throw new HTTPError(HttpStatusCode.BadRequest);
}
}
else {
throw new HTTPError(HttpStatusCode.BadRequest);
}
}
catch (HTTPError err) {
env.ResponseStatusCode = (int)err.StatusCode;
}
catch (UnauthorizedAccessException) {
env.ResponseStatusCode = (int)HttpStatusCode.Forbidden;
}
}
private async Task OnProcess(IDictionary<string, object> owinenv)
{
var env = new OWINEnv(owinenv);
var cancel_token = env.CallCanlelled;
try {
if (!HTTPUtils.CheckAuthorization(env.GetAuthorizationToken(), env.AccessControlInfo)) {
throw new HTTPError(HttpStatusCode.Unauthorized);
}
if (env.RequestMethod!="HEAD" && env.RequestMethod!="GET") {
throw new HTTPError(HttpStatusCode.MethodNotAllowed);
}
var query = env.RequestParameters;
string value;
if (query.TryGetValue("cmd", out value)) {
switch (value) {
case "viewxml": //リレー情報XML出力
await OnViewXML(env, query, cancel_token);
break;
case "stop": //チャンネル停止
await OnStop(env, query, cancel_token);
break;
case "bump": //チャンネル再接続
await OnBump(env, query, cancel_token);
break;
default:
throw new HTTPError(HttpStatusCode.BadRequest);
}
}
else {
throw new HTTPError(HttpStatusCode.BadRequest);
}
}
catch (HTTPError err) {
env.ResponseStatusCode = (int)err.StatusCode;
}
catch (UnauthorizedAccessException) {
env.ResponseStatusCode = (int)HttpStatusCode.Forbidden;
}
}
private async Task OnRedirect(IDictionary <string, object> owinenv)
{
var env = new OWINEnv(owinenv);
var cancel_token = env.CallCanlelled;
try {
if (!HTTPUtils.CheckAuthorization(env.GetAuthorizationToken(), env.AccessControlInfo))
{
throw new HTTPError(HttpStatusCode.Unauthorized);
}
if (env.RequestMethod != "HEAD" && env.RequestMethod != "GET")
{
throw new HTTPError(HttpStatusCode.MethodNotAllowed);
}
await SendResponseMoveToIndex(env, cancel_token).ConfigureAwait(false);
}
catch (HTTPError err) {
env.ResponseStatusCode = (int)err.StatusCode;
}
catch (UnauthorizedAccessException) {
env.ResponseStatusCode = (int)HttpStatusCode.Forbidden;
}
}
private async Task SendResponseFileContent(OWINEnv env, CancellationToken cancel_token)
{
var localpath = GetPhysicalPath(env);
if (localpath == null)
{
throw new HTTPError(HttpStatusCode.Forbidden);
}
if (Directory.Exists(localpath))
{
localpath = Path.Combine(localpath, "index.html");
if (!File.Exists(localpath))
{
throw new HTTPError(HttpStatusCode.Forbidden);
}
}
if (File.Exists(localpath))
{
var contents = File.ReadAllBytes(localpath);
var content_desc = GetFileDesc(Path.GetExtension(localpath));
env.SetResponseHeader("Content-Type", content_desc.MimeType);
env.SetResponseHeader("Content-Length", contents.Length.ToString());
if (env.AccessControlInfo.AuthenticationKey != null)
{
env.SetResponseHeader("Set-Cookie", "auth=" + HTTPUtils.CreateAuthorizationToken(env.AccessControlInfo.AuthenticationKey));
}
if (env.RequestMethod == "GET")
{
await env.ResponseBody.WriteAsync(contents, 0, contents.Length, cancel_token).ConfigureAwait(false);
}
}
else
{
throw new HTTPError(HttpStatusCode.NotFound);
}
}
private async Task SendJson(OWINEnv env, JToken token, bool send_body, CancellationToken cancel_token)
{
var body = System.Text.Encoding.UTF8.GetBytes(token.ToString());
env.AddResponseHeader("Content-Type", "application/json");
env.AddResponseHeader("Content-Length", body.Length.ToString());
env.ResponseStatusCode = (int)HttpStatusCode.OK;
if (send_body) {
await env.ResponseBody.WriteAsync(body, 0, body.Length, cancel_token);
}
}
private async Task OnProcess(IDictionary<string, object> owinenv)
{
var env = new OWINEnv(owinenv);
var cancel_token = env.CallCanlelled;
try {
if (!HTTPUtils.CheckAuthorization(env.GetAuthorizationToken(), env.AccessControlInfo)) {
throw new HTTPError(HttpStatusCode.Unauthorized);
}
var ctx = new APIContext(this, this.Application.PeerCast, env.AccessControlInfo);
var rpc_host = new JSONRPCHost(ctx);
switch (env.RequestMethod) {
case "HEAD":
case "GET":
await SendJson(env, ctx.GetVersionInfo(), env.RequestMethod!="HEAD", cancel_token);
break;
case "POST":
{
if (!env.RequestHeaders.ContainsKey("X-REQUESTED-WITH")) {
throw new HTTPError(HttpStatusCode.BadRequest);
}
if (!env.RequestHeaders.ContainsKey("CONTENT-LENGTH")) {
throw new HTTPError(HttpStatusCode.LengthRequired);
}
var body = env.RequestBody;
var len = body.Length;
if (len<=0 || RequestLimit<len) {
throw new HTTPError(HttpStatusCode.BadRequest);
}
try {
var timeout_token = new CancellationTokenSource(TimeoutLimit);
var buf = await body.ReadBytesAsync((int)len, CancellationTokenSource.CreateLinkedTokenSource(cancel_token, timeout_token.Token).Token);
var request_str = System.Text.Encoding.UTF8.GetString(buf);
JToken res = rpc_host.ProcessRequest(request_str);
if (res!=null) {
await SendJson(env, res, true, cancel_token);
}
else {
throw new HTTPError(HttpStatusCode.NoContent);
}
}
catch (OperationCanceledException) {
throw new HTTPError(HttpStatusCode.RequestTimeout);
}
}
break;
default:
throw new HTTPError(HttpStatusCode.MethodNotAllowed);
}
}
catch (HTTPError err) {
env.ResponseStatusCode = (int)err.StatusCode;
}
catch (UnauthorizedAccessException) {
env.ResponseStatusCode = (int)HttpStatusCode.Forbidden;
}
}
private async Task OnStop(OWINEnv env, Dictionary<string, string> query, CancellationToken cancel_token)
{
var channel = FindChannelFromQuery(query);
if (channel!=null) {
Application.PeerCast.CloseChannel(channel);
env.SetResponseStatusCode(HttpStatusCode.OK);
await env.SetResponseBodyAsync("OK", cancel_token);
}
else {
env.SetResponseStatusCode(HttpStatusCode.NotFound);
await env.SetResponseBodyAsync("Channel NotFound", cancel_token);
}
}
private async Task OnBump(OWINEnv env, Dictionary<string, string> query, CancellationToken cancel_token)
{
var channel = FindChannelFromQuery(query);
if (channel!=null) {
channel.Reconnect();
env.SetResponseStatusCode(HttpStatusCode.OK);
await env.SetResponseBodyAsync("OK", cancel_token);
}
else {
env.SetResponseStatusCode(HttpStatusCode.NotFound);
await env.SetResponseBodyAsync("Channel NotFound", cancel_token);
}
}
private async Task OnViewXML(OWINEnv env, Dictionary<string, string> query, CancellationToken cancel_token)
{
var data = BuildViewXml();
env.SetResponseStatusCode(HttpStatusCode.OK);
env.SetResponseHeader("Content-Type", "text/xml");
env.SetResponseHeader("Content-Length", data.Length.ToString());
if (env.RequestMethod!="HEAD") {
await env.ResponseBody.WriteAsync(data, 0, data.Length, cancel_token);
}
}
private async Task SendResponseMoveToIndex(OWINEnv env, CancellationToken cancel_token)
{
var content = System.Text.Encoding.UTF8.GetBytes("Moving...");
env.SetResponseHeader("Content-Type", "text/plain");
env.SetResponseHeader("Content-Length", content.Length.ToString());
env.SetResponseHeader("Location", "/html/index.html");
if (env.AccessControlInfo.AuthenticationKey!=null) {
env.SetResponseHeader("Set-Cookie", "auth=" + HTTPUtils.CreateAuthorizationToken(env.AccessControlInfo.AuthenticationKey));
}
env.ResponseStatusCode = (int)HttpStatusCode.Moved;
if (env.RequestMethod=="GET") {
await env.ResponseBody.WriteAsync(content, 0, content.Length, cancel_token);
}
}
private string GetPhysicalPath(OWINEnv env)
{
string physical_path;
if (virtualPhysicalPathMap.TryGetValue(env.RequestPathBase, out physical_path)) {
return Path.GetFullPath(Path.Combine(physical_path, env.RequestPath));
}
else {
return null;
}
}
private async Task OnRedirect(IDictionary<string, object> owinenv)
{
var env = new OWINEnv(owinenv);
var cancel_token = env.CallCanlelled;
try {
if (!HTTPUtils.CheckAuthorization(env.GetAuthorizationToken(), env.AccessControlInfo)) {
throw new HTTPError(HttpStatusCode.Unauthorized);
}
if (env.RequestMethod!="HEAD" && env.RequestMethod!="GET") {
throw new HTTPError(HttpStatusCode.MethodNotAllowed);
}
await SendResponseMoveToIndex(env, cancel_token);
}
catch (HTTPError err) {
env.ResponseStatusCode = (int)err.StatusCode;
}
catch (UnauthorizedAccessException) {
env.ResponseStatusCode = (int)HttpStatusCode.Forbidden;
}
}
private async Task SendResponseFileContent(OWINEnv env, CancellationToken cancel_token)
{
var localpath = GetPhysicalPath(env);
if (localpath==null) throw new HTTPError(HttpStatusCode.Forbidden);
if (Directory.Exists(localpath)) {
localpath = Path.Combine(localpath, "index.html");
if (!File.Exists(localpath)) throw new HTTPError(HttpStatusCode.Forbidden);
}
if (File.Exists(localpath)) {
var contents = File.ReadAllBytes(localpath);
var content_desc = GetFileDesc(Path.GetExtension(localpath));
env.SetResponseHeader("Content-Type", content_desc.MimeType);
env.SetResponseHeader("Content-Length", contents.Length.ToString());
if (env.AccessControlInfo.AuthenticationKey!=null) {
env.SetResponseHeader("Set-Cookie", "auth=" + HTTPUtils.CreateAuthorizationToken(env.AccessControlInfo.AuthenticationKey));
}
if (env.RequestMethod=="GET") {
await env.ResponseBody.WriteAsync(contents, 0, contents.Length, cancel_token);
}
}
else {
throw new HTTPError(HttpStatusCode.NotFound);
}
}
