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1 <%
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2 package nabble.view.web.mailing_list;
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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 fschmidt.util.mail.TextContent;
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10 import fschmidt.util.servlet.AuthorizingServlet;
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11 import nabble.model.ListServer;
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12 import nabble.model.MailingList;
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13 import nabble.model.ModelHome;
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14 import nabble.model.Node;
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15 import nabble.model.User;
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16 import nabble.view.lib.Jtp;
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17 import nabble.view.lib.Shared;
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18 import org.slf4j.Logger;
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19 import org.slf4j.LoggerFactory;
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20
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21 import javax.servlet.ServletException;
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22 import javax.servlet.http.HttpServlet;
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23 import javax.servlet.http.HttpServletRequest;
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24 import javax.servlet.http.HttpServletResponse;
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25 import java.io.IOException;
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26 import java.io.PrintWriter;
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27
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28
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29 public final class SubscribeToMailingList extends HttpServlet implements AuthorizingServlet {
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30
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31 private static final Logger logger = LoggerFactory.getLogger(SubscribeToMailingList.class);
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32
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33 public String getAuthorizationKey(HttpServletRequest request) throws ServletException {
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34 return Jtp.getReadAuthorizationKey( Jtp.getSiteNotNull(request).getNode(Jtp.getLong(request,"node")) );
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35 }
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36
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37 public boolean authorize(String key,HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {
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38 return Jtp.authorizeForRead(key,request,response);
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39 }
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40
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41 protected void service(HttpServletRequest request,HttpServletResponse response)
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42 throws ServletException, IOException
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43 {
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44 User user = Jtp.getUser(request,response);
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45
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46 if (user == null) {
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47 Jtp.login("You must login to subscribe to mailing list.", request, response);
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48 return;
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49 }
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50
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51 Node node = Jtp.getSiteNotNull(request).getNode(Jtp.getLong(request, "node"));
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52 boolean allowed = Jtp.canBeEditedBy(node,user);
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53 if (!allowed) {
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54 Jtp.login("Only administrators can proceed in this area.", request, response);
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55 return;
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56 }
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57
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58 PrintWriter out = response.getWriter();
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59 boolean isSendEmail = "SendEmail".equals(request.getParameter("action"));
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60
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61 MailingList mailingList = node.getMailingList();
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62 String subscriptionAddress = mailingList.getSubscriberAddress().getAddrSpec();
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63 char c = 'A';
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64 %>
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65 <html>
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66 <head>
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67 <META NAME="robots" CONTENT="noindex,nofollow">
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68 <% Shared.title(request,response,"Subscription Instructions"); %>
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69 <style type="text/css">
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70 div.field-title {
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71 margin-top: 0;
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72 }
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73 td.number {
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74 width: 3em;
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75 padding-bottom: .2em;
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76 }
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77 span.number {
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78 font-size: 200%;
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79 padding: 0 .3em .03em;
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80 border-width:1px;
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81 border-style:solid;
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82 }
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83 </style>
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84 </head>
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85 <body>
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86 <% Shared.minHeader(request, response, node);%>
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87 <% Shared.editHeader(node.getSubjectHtml(), "Subscription Instructions", out); %>
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88 <%
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89 if (isSendEmail && "POST".equals(request.getMethod())) {
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90 String errorMsg = sendRequest(node, request, out);
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91 Shared.errorMessage(request, response, errorMsg, "Failed to send the request." );
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92 }
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93 %>
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94 <div class="field-box light-border-color">
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95 <div class="second-font field-title">General Instructions</div>
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96 <div style="margin-left:1.5em">
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97 Your mailing list archive will <b>ONLY</b> work properly if you have the following email address subscribed to the mailing list:
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98 <div class="info-message" style="margin:.2em;padding:.2em;font-weight:bold"><%=subscriptionAddress%></div>
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99 This can be done in several ways. Below you can find the most common ones.
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100 </div>
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101 </div>
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102
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103 <div class="second-font field-title" style="margin-top:1em">Subscription Options</div>
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104 <div class="weak-color">Choose the best option for this mailing list.</div>
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105
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106 <div class="field-box light-border-color">
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107 <table style="margin-left:1.3em">
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108 <tr valign="top">
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109 <td class="number"><span class="number shaded-bg-color medium-border-color"><%=c++%></span></td>
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110 <td>
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111 <div class="second-font field-title">Add to subscriber's list</div>
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112 Mailing list administrators usually can add email addresses to the subscribers' list directly.
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113 If you can do this, add <b><%=subscriptionAddress%></b> to that list.
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114 </td>
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115 </tr>
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116 </table>
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117 </div>
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118
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119 <% if (mailingList.getListServer() == ListServer.google) { %>
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120 <div class="field-box light-border-color">
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121 <table style="margin-left:1.3em">
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122 <tr valign="top">
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123 <td class="number"><span class="number shaded-bg-color medium-border-color"><%=c++%></span></td>
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124 <td>
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125 <div class="second-font field-title">Use the "Invite" feature of GoogleGroups </div>
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126 You can go to the <a href="http://groups.google.com/" rel="nofollow">Google Groups website</a> and
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127 invite the following address to be a member:
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128 <b><%=subscriptionAddress%></b>.<br>
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129 The confirmation email will be forwarded to you so that you can complete this step.
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130 </td>
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131 </tr>
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132 </table>
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133 </div>
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134 <div class="field-box light-border-color">
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135 <table style="margin-left:1.3em">
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136 <tr valign="top">
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137 <td class="number"><span class="number shaded-bg-color medium-border-color"><%=c++%></span></td>
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138 <td>
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139 <div class="second-font field-title">Create an account in GoogleGroups for the subscription email</div>
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140 You can go to the <a href="http://groups.google.com/" rel="nofollow">Google Groups website</a> and
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141 create an account for this email:
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142 <b><%=subscriptionAddress%></b>.<br>
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143 (Google will probably send a confirmation number to your cell phone so that you can finish the registration)<br>
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144 When you have finished the account set up, you can go to the mailing list page and click on "Join this group".
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145 </td>
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146 </tr>
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147 </table>
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148 </div>
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149 <% } else { %>
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150 <div class="field-box light-border-color">
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151 <table style="margin-left:1.3em">
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152 <tr valign="top">
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153 <td class="number"><span class="number shaded-bg-color medium-border-color"><%=c++%></span></td>
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154 <td>
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155 <div class="second-font field-title">Go to mailing list website</div>
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156 You can go to the mailing list homepage (<a href="<%=mailingList.getUrl()%>"><%=mailingList.getUrl()%></a>)
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157 and subscribe <b><%=subscriptionAddress%></b> to the list.
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158 The confirmation email will be forwarded to your email address as soon as it is received by Nabble.com.
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159 You will have to follow the instructions in that email to confirm this request.
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160 </td>
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161 </tr>
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162 </table>
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163 </div>
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164 <% } %>
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165 <% emailForm(node, true, "Subscribe by email", "Send Subscription Request", c, request, out); %>
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166
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167 <% Shared.footer(request,response); %>
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168 <% Shared.analytics(request,response); %>
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169 </body>
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170 </html>
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171 <%
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172 }
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173
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174 static String sendRequest(Node node, HttpServletRequest request, PrintWriter out)
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175 throws ServletException, IOException
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176 {
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177 String emailFrom = request.getParameter("emailFrom");
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178 String emailToUser = request.getParameter("emailToUser");
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179 String emailToDomain = request.getParameter("emailToDomain");
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180 String emailSubject = request.getParameter("emailSubject");
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181 String emailBody = request.getParameter("emailBody");
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182
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183 if (emailFrom == null || emailToUser == null || emailToDomain == null) {
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184 return "Invalid message parameters";
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185 } else {
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186 MailAddress toAddress = new MailAddress(emailToUser + emailToDomain);
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187 try {
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188 Mail mail = MailHome.newMail();
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189 mail.setFrom(new MailAddress(emailFrom, "Nabble Forums"));
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190 mail.setTo(toAddress);
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191 mail.setSubject(emailSubject);
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192 mail.setContent(new PlainTextContent(emailBody));
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193 ModelHome.send(mail);
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194 } catch(MailException e) {
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195 logger.warn("",e);
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196 return e.getMessage();
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197 }
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198 %>
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199 <div class="info-message" style="padding:1em">
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200 <b>Email Sent</b><br/>
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201 The request has been successfully sent. The confirmation email will be forwarded to your email
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202 address as soon as it is received by Nabble. You will have to follow the instructions in
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203 that email to finish the process.<br/>
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204 <a href="<%=Jtp.path(node)%>">Return to forum</a>
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205 </div>
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206 <%
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207 }
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208 return null;
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209 }
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210
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211 static void emailForm(Node node, boolean isSubscription, String title, String button, char c, HttpServletRequest request, PrintWriter out) {
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212 MailingList mailingList = node.getMailingList();
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213 if (!mailingList.getListServer().canSubscribe())
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214 return;
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215 %>
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216 <div class="field-box light-border-color">
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217 <table style="margin-left:1.3em">
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218 <tr valign="top">
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219 <td class="number"><span class="number shaded-bg-color medium-border-color"><%=c%></span></td>
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220 <td>
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221 <div class="second-font field-title"><%=title%></div>
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222 You can send the request by email. Default content of the email is
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223 provided according to the mailing list server type (<b><%=mailingList.getListServer().getViewName()%></b>)
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224 that you have specified during the mailing list setup. You can modify it if necessary.
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225 </td>
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226 </tr>
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227 </table>
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228 </div>
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229 <%
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230 String emailFrom = request.getParameter("emailFrom");
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231 String emailToUser = request.getParameter("emailToUser");
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232 String emailToDomain = request.getParameter("emailToDomain");
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233 String emailSubject = request.getParameter("emailSubject");
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234 String emailBody = request.getParameter("emailBody");
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235 Mail mail = isSubscription? mailingList.subscribeMail(): mailingList.unsubscribeMail();
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236
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237 if (emailFrom == null) {
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238 emailFrom = mail.getFrom().getAddrSpec();
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239 }
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240
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241 if (emailToUser == null || emailToDomain == null) {
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242 String emailTo = mail.getTo()[0].getAddrSpec();
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243 int index = emailTo.indexOf("@");
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244 if(index < 0) {
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245 throw new RuntimeException("Invalid emailTo: " + emailTo);
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246 }
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247 emailToUser = emailTo.substring(0, index);
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248 emailToDomain = emailTo.substring(index);
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249 }
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250
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251 if (emailSubject == null) {
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252 emailSubject = Jtp.hideNull(mail.getSubject());
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253 }
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254
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255 if (emailBody == null) {
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256 emailBody = ((TextContent) mail.getContent()).getText();
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257 }
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258 %>
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259 <form method="post" action="/mailing_list/<%=isSubscription? "SubscribeToMailingList.jtp":"UnsubscribeFromMailingList.jtp"%>" accept-charset="UTF-8">
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260 <input type="hidden" name="node" value="<%=node.getId()%>">
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261 <input type="hidden" name="action" value="SendEmail">
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262 <input type="hidden" name="emailToDomain" value="<%=emailToDomain%>">
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263 <input type="hidden" name="emailToUser" value="<%=emailToUser%>">
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264 <input type="hidden" name="emailSubject" value="<%=emailSubject%>">
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265 <input type="hidden" name="emailBody" value="<%=emailBody%>">
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266 <input type="hidden" name="emailFrom" value="<%=emailFrom%>"/>
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267 <table style="margin-left:2em">
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268 <tr>
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269 <td align=right>From: </td>
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270 <td><input type="text" name="emailFrom2" value="<%=emailFrom%>" size="50" disabled/></td>
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271 </tr>
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272 <tr>
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273 <td align=right>To: </td>
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274 <td valign="middle"><input type="text" name="emailToUser2" value="<%=emailToUser%>" size="50" disabled/><%=emailToDomain%></td>
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275 </tr>
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276 <tr>
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277 <td align=right>Subject: </td>
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278 <td><input type="text" name="emailSubject2" value="<%=emailSubject%>" size="50" disabled/></td>
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279 </tr>
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280 <tr>
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281 <td align=right valign=top>Message: </td>
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282 <td><textarea cols="50" rows="5" name="emailBody2" wrap="SOFT" disabled><%=emailBody%></textarea></td>
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283 </tr>
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284 <tr>
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285 <td><br></td>
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286 <td>
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287 <input type="submit" value="<%=button%>" />
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288 </td>
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289 </tr>
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290 </table>
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291 </form>
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292 <%
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293 }
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294
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295 }
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296 %>
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