diff options
Diffstat (limited to 'gerrit-openid/src/main/java/com/google/gerrit/httpd/auth/openid/XrdsServlet.java')
-rw-r--r-- | gerrit-openid/src/main/java/com/google/gerrit/httpd/auth/openid/XrdsServlet.java | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/gerrit-openid/src/main/java/com/google/gerrit/httpd/auth/openid/XrdsServlet.java b/gerrit-openid/src/main/java/com/google/gerrit/httpd/auth/openid/XrdsServlet.java new file mode 100644 index 0000000000..98ad11d4b9 --- /dev/null +++ b/gerrit-openid/src/main/java/com/google/gerrit/httpd/auth/openid/XrdsServlet.java @@ -0,0 +1,72 @@ +// Copyright (C) 2010 The Android Open Source Project +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package com.google.gerrit.httpd.auth.openid; + +import com.google.gerrit.server.config.CanonicalWebUrl; +import com.google.inject.Inject; +import com.google.inject.Provider; +import com.google.inject.Singleton; + +import java.io.IOException; + +import javax.servlet.ServletOutputStream; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +@Singleton +class XrdsServlet extends HttpServlet { + private static final long serialVersionUID = 1L; + private static final String ENC = "UTF-8"; + static final String LOCATION = "OpenID.XRDS"; + + private final Provider<String> url; + + @Inject + XrdsServlet(@CanonicalWebUrl final Provider<String> url) { + this.url = url; + } + + @Override + protected void doGet(HttpServletRequest req, HttpServletResponse rsp) + throws IOException { + final StringBuilder r = new StringBuilder(); + r.append("<?xml version=\"1.0\" encoding=\"" + ENC + "\"?>"); + r.append("<xrds:XRDS"); + r.append(" xmlns:xrds=\"xri://$xrds\""); + r.append(" xmlns:openid=\"http://openid.net/xmlns/1.0\""); + r.append(" xmlns=\"xri://$xrd*($v*2.0)\">"); + r.append("<XRD>"); + r.append("<Service priority=\"1\">"); + r.append("<Type>http://specs.openid.net/auth/2.0/return_to</Type>"); + r.append("<URI>" + url.get() + OpenIdServiceImpl.RETURN_URL + "</URI>"); + r.append("</Service>"); + r.append("</XRD>"); + r.append("</xrds:XRDS>"); + r.append("\n"); + + final byte[] raw = r.toString().getBytes(ENC); + rsp.setContentLength(raw.length); + rsp.setContentType("application/xrds+xml"); + rsp.setCharacterEncoding(ENC); + + final ServletOutputStream out = rsp.getOutputStream(); + try { + out.write(raw); + } finally { + out.close(); + } + } +} |