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1 <%
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2 package nabble.view.web.forum;
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3
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4 import fschmidt.util.mail.Mail;
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5 import fschmidt.util.mail.MailAddress;
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6 import fschmidt.util.mail.MailException;
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7 import fschmidt.util.mail.MailHome;
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8 import fschmidt.util.mail.PlainTextContent;
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9 import nabble.model.ModelException;
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10 import nabble.model.ModelHome;
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11 import nabble.model.Node;
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12 import nabble.model.Site;
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13 import nabble.model.User;
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14 import nabble.naml.namespaces.TemplateException;
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15 import nabble.view.lib.Jtp;
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16 import nabble.view.lib.Permissions;
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17 import nabble.view.lib.Shared;
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18
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19 import javax.servlet.ServletException;
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20 import javax.servlet.http.HttpServlet;
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21 import javax.servlet.http.HttpServletRequest;
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22 import javax.servlet.http.HttpServletResponse;
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23 import java.io.IOException;
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24 import java.io.PrintWriter;
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25 import java.net.InetAddress;
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26 import java.net.UnknownHostException;
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27
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28
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29 public final class ChangeDomainName extends HttpServlet {
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30
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31 protected void service(HttpServletRequest request,HttpServletResponse response)
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32 throws ServletException, IOException
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33 {
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34 Site site = ModelHome.getSite(Jtp.getLong(request, "site"));
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35 if (site == null) {
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36 response.sendError(HttpServletResponse.SC_NOT_FOUND, "No application match the \"<i>" + request.getHeader("host") + "</i>\" domain.");
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37 return;
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38 }
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39
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40 User user = Jtp.getUser(request, response);
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41 if (user == null) {
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42 response.sendRedirect("http://" + Jtp.getDefaultBaseUrl(site) + Jtp.loginPath(site,null,response.encodeURL("/forum/ChangeDomainName.jtp?site="+site.getId())) );
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43 return;
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44 }
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45
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46 boolean isSiteAdmin = Permissions.isInGroup(user, Permissions.ADMINISTRATORS_GROUP);
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47 boolean isSysAdmin = Permissions.isSysAdmin(user);
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48 if (!isSiteAdmin && !isSysAdmin) {
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49 Jtp.login("Only administrators can proceed in this area.", request, response);
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50 return;
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51 }
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52
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53 Node rootNode = site.getRootNode();
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54 boolean isSave = "save".equals(request.getParameter("action"));
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55
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56 String domainName = site.getCustomDomain();
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57 String domainOption = domainName == null? "default-domain" : "own-domain";
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58 if (isSave) {
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59 domainName = request.getParameter("domain-name");
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60 domainOption = request.getParameter("domain-option");
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61 }
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62
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63 String errorMsg = null;
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64 if (isSave && "POST".equals(request.getMethod())) {
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65 try {
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66 boolean isDefault = "default-domain".equals(domainOption);
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67 if (isDefault)
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68 site.setCustomDomain(null);
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69 else {
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70 domainName = domainName.trim();
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71 if (domainName.length() == 0 || domainName.endsWith(".nabble.com") || domainName.equals(InetAddress.getLocalHost().getHostAddress()))
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72 throw ModelException.newInstance("invalid_domain", "Please enter a valid domain name for your application.");
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73 Long currentSiteId = ModelHome.getSiteIdFromDomain(domainName);
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74 if (currentSiteId != null && !currentSiteId.equals(site.getId()))
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75 throw ModelException.newInstance("domain_already_in_use", "This domain is already in use.");
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76 String domainIP = getDomainIP(domainName);
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77 String nabbleIP = getDomainIP(Jtp.getDefaultHost());
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78 if (!nabbleIP.equals(domainIP))
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79 throw ModelException.newInstance(
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80 "domain_bad_resolution",
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81 "Your domain name currently resolves to an IP address that doesn't belong to Nabble. " +
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82 "Please follow the instructions (see link below) in order to update your DNS. " +
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83 "If you have just updated your DNS, please wait 24 hours for the changes to take affect.");
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84
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85 site.setCustomDomain(domainName);
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86 }
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87 sendEmail(user, site);
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88 response.sendRedirect(Jtp.url(rootNode));
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89 return;
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90 } catch (TemplateException e) {
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91 errorMsg = e.getMessage();
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92 }
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93 }
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94
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95 PrintWriter out = response.getWriter();
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96 %>
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97 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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98 <html>
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99 <head>
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100 <META NAME="robots" CONTENT="noindex,nofollow">
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101 <% Shared.title(request, response, "Change Domain Name"); %>
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102 <style type="text/css">
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103 label { font-weight:bold; }
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104 .step {
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105 font-weight: bold;
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106 font-size: 120%;
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107 padding: .5em .3em;
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108 white-space:nowrap;
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109 }
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110 </style>
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111 <script type="text/javascript">
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112 $(document).ready(function() {
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113 function enableControls() {
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114 if ($('#default-domain').attr('checked')) {
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115 $('#domain-name').attr('disabled','y');
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116 } else {
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117 $('#domain-name').removeAttr('disabled').focus();
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118 }
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119 };
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120 $('#default-domain,#own-domain').change(enableControls);
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121 enableControls();
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122 });
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123 </script>
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124 </head>
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125 <body>
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126 <% Shared.minHeader(request,response, rootNode); %>
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127 <% Shared.editHeader(rootNode.getSubjectHtml(), "Change Domain Name", out); %>
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128 <% Shared.errorMessage(request, response, errorMsg, null); %>
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129
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130 <% if (site.getCustomDomain() != null) { %>
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131 <div class="info-message rounded" style="padding: .5em;margin:.4em 0">
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132 <b>You already have a domain set for "<%=rootNode.getSubject()%>".</b><br/>
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133 If you change this domain configuration, links to the old domain will probably stop working.
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134 </div>
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135 <% } %>
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136
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137 <div class="field weak-color" style="margin-left:1.5em">
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138 <div style="margin:1em 0 .5em">
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139 Access your application with a custom domain name.
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140 </div>
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141
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142 <form method="post" action="/forum/ChangeDomainName.jtp" accept-charset="UTF-8">
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143 <input type="hidden" name="action" value="save"/>
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144 <input type="hidden" name="site" value="<%=site.getId()%>"/>
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145 <input type="radio" name="domain-option" id="default-domain" value="default-domain" <%="default-domain".equals(domainOption)?"checked='y'":""%>/>
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146 <label for="default-domain">Nabble Default URL</label>
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147 <div style="margin:.5em 0 1em 3em">
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148 http://<%=Jtp.getDefaultBaseUrl(site)%>/
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149 </div>
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150
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151 <input type="radio" name="domain-option" id="own-domain" value="own-domain" <%="own-domain".equals(domainOption)?"checked='y'":""%>/>
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152 <label for="own-domain">Your Own Domain</label>
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153 <div style="margin:.5em 0 1em 3em">
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154 <table class="weak-color">
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155 <tr style="vertical-align:top">
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156 <td style="padding-right:.8em"><div class="second-font shaded-bg-color rounded step border1 medium-border-color">Step 1</div></td>
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157 <td>
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158 Go to your Domain Registrar and set the CNAME-record for your custom domain to <b><%=Jtp.getDefaultHost()%></b>.
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159 (<a href="/help/DNSConfiguration.jtp" target="_new">show me more details</a>)
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160 <div style="margin-top:.7em;font-size:80%">
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161 (After this change, wait a little bit for the DNS to propagate.
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162 Then open your custom domain url in the browser to see if the change is propagated – if successful, you should get redirected to the Nabble home page)
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163 </div>
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164 </td>
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165 </tr>
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166 <tr style="vertical-align:top">
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167 <td style="padding:1.7em .5em 0 0"><div class="second-font shaded-bg-color rounded step border1 medium-border-color">Step 2</div></td>
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168 <td style="padding-top:1.5em">
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169 <div style="margin-bottom:.3em">Enter your custom domain name below:</div>
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170 http://<input id="domain-name" name="domain-name" size="40" value="<%=Jtp.hideNull(domainName)%>"/>
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171 <div style="font-size:80%;margin:.3em 0">
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172 Example: mydomain.com
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173 </div>
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174 </td>
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175 </tr>
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176 <tr style="vertical-align:top">
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177 <td style="padding:1.3em .5em 0 0"><div class="second-font shaded-bg-color rounded step border1 medium-border-color">Step 3</div></td>
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178 <td style="padding-top:1.1em">
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179 After saving your changes, your old URLs will continue to work and will automatically redirect to your custom domain URL.
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180 You will also receive an email with a link to revert this domain change.
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181 </td>
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182 </tr>
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183 </table>
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184 </div>
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185
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186 <input type="submit" value="Save Changes" />
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187 or <a href="<%=Jtp.path(rootNode)%>">Cancel</a>
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188 </form>
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189 </div>
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190 <% Shared.footer(request, response); %>
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191 <% Shared.analytics(request, response); %>
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192 </body>
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193 </html>
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194 <%
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195 }
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196
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197 private static String getDomainIP(String domain) {
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198 String ip = domain;
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199 int i = ip.indexOf(":");
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200 if( i > 0 )
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201 ip = ip.substring(0,i);
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202 try {
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203 InetAddress add = InetAddress.getByName(ip);
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204 if (add != null)
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205 ip = add.getHostAddress();
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206 } catch(UnknownHostException e) {}
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207 return ip;
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208 }
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209
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210 private static void sendEmail(User user, Site site)
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211 throws IOException, ServletException
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212 {
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213 StringBuilder builder = new StringBuilder();
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214 builder.append("Dear ").append(user.getName()).append(",\n\n");
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215 builder.append("You have changed your domain name configuration to:\n");
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216 builder.append(site.getBaseUrl());
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217 builder.append("\n\n");
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218 builder.append("If you have problems with your domain name or simply want to change this configuration again, you can use this link:\n");
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219 builder.append("http://").append(Jtp.getDefaultHost()).append("/forum/ChangeDomainName.jtp?site=").append(site.getId());
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220 builder.append("\n\n");
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221 builder.append("Regards,\n");
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222 builder.append("The Nabble team");
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223
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224 try {
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225 Mail mail = MailHome.newMail();
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226 mail.setFrom(new MailAddress(ModelHome.noReply, "Nabble"));
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227 mail.setTo(new MailAddress(user.getEmail()));
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228 mail.setSubject("Domain name configuration changed");
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229 mail.setContent(new PlainTextContent(builder.toString()));
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230 ModelHome.send(mail);
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231 } catch(MailException e) {
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232 throw new RuntimeException(e);
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233 }
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234 }
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235 }
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236 %>
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