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diff src/nabble/view/web/mailing_list/SubscribeToMailingList.jtp @ 0:7ecd1a4ef557

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author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 21 Mar 2019 19:15:52 -0600
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children 18cf4872fd7f
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/nabble/view/web/mailing_list/SubscribeToMailingList.jtp	Thu Mar 21 19:15:52 2019 -0600
@@ -0,0 +1,296 @@
+<%
+package nabble.view.web.mailing_list;
+
+import fschmidt.util.mail.Mail;
+import fschmidt.util.mail.MailAddress;
+import fschmidt.util.mail.MailException;
+import fschmidt.util.mail.MailHome;
+import fschmidt.util.mail.PlainTextContent;
+import fschmidt.util.mail.TextContent;
+import fschmidt.util.servlet.AuthorizingServlet;
+import nabble.model.ListServer;
+import nabble.model.MailingList;
+import nabble.model.ModelHome;
+import nabble.model.Node;
+import nabble.model.User;
+import nabble.view.lib.Jtp;
+import nabble.view.lib.Shared;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+
+public final class SubscribeToMailingList extends HttpServlet implements AuthorizingServlet {
+
+	private static final Logger logger = LoggerFactory.getLogger(SubscribeToMailingList.class);
+
+	public String getAuthorizationKey(HttpServletRequest request) throws ServletException {
+		return Jtp.getReadAuthorizationKey( Jtp.getSiteNotNull(request).getNode(Jtp.getLong(request,"node")) );
+	}
+
+	public boolean authorize(String key,HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {
+		return Jtp.authorizeForRead(key,request,response); 
+	}
+
+	protected void service(HttpServletRequest request,HttpServletResponse response)
+		throws ServletException, IOException
+	{
+		User user = Jtp.getUser(request,response);
+
+		if (user == null) {
+			Jtp.login("You must login to subscribe to mailing list.", request, response);
+			return;
+		}
+
+		Node node = Jtp.getSiteNotNull(request).getNode(Jtp.getLong(request, "node"));
+		boolean allowed = Jtp.canBeEditedBy(node,user);
+		if (!allowed) {
+			Jtp.login("Only administrators can proceed in this area.", request, response);
+			return;
+		}
+
+		PrintWriter out = response.getWriter();
+		boolean isSendEmail = "SendEmail".equals(request.getParameter("action"));
+
+		MailingList mailingList = node.getMailingList();
+		String subscriptionAddress = mailingList.getSubscriberAddress().getAddrSpec();
+		char c = 'A';
+		%>
+		<html>
+			<head>
+				<META NAME="robots" CONTENT="noindex,nofollow">
+				<% Shared.title(request,response,"Subscription Instructions"); %>
+				<style type="text/css">
+					div.field-title {
+						margin-top: 0;
+					}
+					td.number {
+						width: 3em;
+						padding-bottom: .2em;
+					}
+					span.number {
+						font-size: 200%;
+						padding: 0 .3em .03em;
+						border-width:1px;
+						border-style:solid;
+					}
+				</style>
+			</head>
+			<body>
+				<% Shared.minHeader(request, response, node);%>
+				<% Shared.editHeader(node.getSubjectHtml(), "Subscription Instructions", out); %>
+				<%
+				if (isSendEmail && "POST".equals(request.getMethod())) {
+					String errorMsg = sendRequest(node, request, out);
+					Shared.errorMessage(request, response, errorMsg, "Failed to send the request." );
+				}
+				%>
+				<div class="field-box light-border-color">
+					<div class="second-font field-title">General Instructions</div>
+					<div style="margin-left:1.5em">
+						Your mailing list archive will <b>ONLY</b> work properly if you have the following email address subscribed to the mailing list:
+						<div class="info-message" style="margin:.2em;padding:.2em;font-weight:bold"><%=subscriptionAddress%></div>
+						This can be done in several ways. Below you can find the most common ones.
+					</div>
+				</div>
+
+				<div class="second-font field-title" style="margin-top:1em">Subscription Options</div>
+				<div class="weak-color">Choose the best option for this mailing list.</div>
+
+				<div class="field-box light-border-color">
+					<table style="margin-left:1.3em">
+						<tr valign="top">
+							<td class="number"><span class="number shaded-bg-color medium-border-color"><%=c++%></span></td>
+							<td>
+								<div class="second-font field-title">Add to subscriber's list</div>
+								Mailing list administrators usually can add email addresses to the subscribers' list directly.
+								If you can do this, add <b><%=subscriptionAddress%></b> to that list.
+							</td>
+						</tr>
+					</table>
+				</div>
+
+				<% if (mailingList.getListServer() == ListServer.google) { %>
+				<div class="field-box light-border-color">
+					<table style="margin-left:1.3em">
+						<tr valign="top">
+							<td class="number"><span class="number shaded-bg-color medium-border-color"><%=c++%></span></td>
+							<td>
+								<div class="second-font field-title">Use the "Invite" feature of GoogleGroups </div>
+								You can go to the <a href="http://groups.google.com/" rel="nofollow">Google Groups website</a> and
+								invite the following address to be a member:
+								<b><%=subscriptionAddress%></b>.<br>
+								The confirmation email will be forwarded to you so that you can complete this step.
+							</td>
+						</tr>
+					</table>
+				</div>
+				<div class="field-box light-border-color">
+					<table style="margin-left:1.3em">
+						<tr valign="top">
+							<td class="number"><span class="number shaded-bg-color medium-border-color"><%=c++%></span></td>
+							<td>
+								<div class="second-font field-title">Create an account in GoogleGroups for the subscription email</div>
+								You can go to the <a href="http://groups.google.com/" rel="nofollow">Google Groups website</a> and
+								create an account for this email:
+								<b><%=subscriptionAddress%></b>.<br>
+								(Google will probably send a confirmation number to your cell phone so that you can finish the registration)<br>
+								When you have finished the account set up, you can go to the mailing list page and click on "Join this group".
+							</td>
+						</tr>
+					</table>
+				</div>
+				<% } else { %>
+					<div class="field-box light-border-color">
+						<table style="margin-left:1.3em">
+							<tr valign="top">
+								<td class="number"><span class="number shaded-bg-color medium-border-color"><%=c++%></span></td>
+								<td>
+									<div class="second-font field-title">Go to mailing list website</div>
+									You can go to the mailing list homepage (<a href="<%=mailingList.getUrl()%>"><%=mailingList.getUrl()%></a>)
+									and subscribe <b><%=subscriptionAddress%></b> to the list.
+									The confirmation email will be forwarded to your email address as soon as it is received by Nabble.com.
+									You will have to follow the instructions in that email to confirm this request.
+								</td>
+							</tr>
+						</table>
+					</div>
+				<% } %>
+				<% emailForm(node, true, "Subscribe by email", "Send Subscription Request", c, request, out); %>
+
+				<% Shared.footer(request,response); %>
+				<% Shared.analytics(request,response); %>
+			</body>
+		</html>
+		<%
+	}
+
+	static String sendRequest(Node node, HttpServletRequest request, PrintWriter out)
+		throws ServletException, IOException
+	{
+		String emailFrom = request.getParameter("emailFrom");
+		String emailToUser = request.getParameter("emailToUser");
+		String emailToDomain = request.getParameter("emailToDomain");
+		String emailSubject = request.getParameter("emailSubject");
+		String emailBody = request.getParameter("emailBody");
+
+		if (emailFrom == null || emailToUser == null || emailToDomain == null) {
+			return "Invalid message parameters";
+		} else {
+			MailAddress toAddress = new MailAddress(emailToUser + emailToDomain);
+			try {
+				Mail mail = MailHome.newMail();
+				mail.setFrom(new MailAddress(emailFrom, "Nabble Forums"));
+				mail.setTo(toAddress);
+				mail.setSubject(emailSubject);
+				mail.setContent(new PlainTextContent(emailBody));
+				ModelHome.send(mail);
+			} catch(MailException e) {
+				logger.warn("",e);
+				return e.getMessage();
+			}
+			%>
+			<div class="info-message" style="padding:1em">
+				<b>Email Sent</b><br/>
+				The request has been successfully sent. The confirmation email will be forwarded to your email
+				address as soon as it is received by Nabble. You will have to follow the instructions in
+				that email to finish the process.<br/>
+				<a href="<%=Jtp.path(node)%>">Return to forum</a>
+			</div>
+			<%
+		}
+		return null;
+	}	
+
+	static void emailForm(Node node, boolean isSubscription, String title, String button, char c, HttpServletRequest request, PrintWriter out) {
+		MailingList mailingList = node.getMailingList();
+		if (!mailingList.getListServer().canSubscribe())
+			return;
+		%>
+		<div class="field-box light-border-color">
+			<table style="margin-left:1.3em">
+				<tr valign="top">
+					<td class="number"><span class="number shaded-bg-color medium-border-color"><%=c%></span></td>
+					<td>
+						<div class="second-font field-title"><%=title%></div>
+						You can send the request by email. Default content of the email is
+						provided according to the mailing list server type (<b><%=mailingList.getListServer().getViewName()%></b>)
+						that you have specified during the mailing list setup. You can modify it if necessary.
+					</td>
+				</tr>
+			</table>
+		</div>
+		<%
+		String emailFrom = request.getParameter("emailFrom");
+		String emailToUser = request.getParameter("emailToUser");
+		String emailToDomain = request.getParameter("emailToDomain");
+		String emailSubject = request.getParameter("emailSubject");
+		String emailBody = request.getParameter("emailBody");
+		Mail mail = isSubscription? mailingList.subscribeMail(): mailingList.unsubscribeMail();
+
+		if (emailFrom == null) {
+			emailFrom = mail.getFrom().getAddrSpec();
+		}
+
+		if (emailToUser == null || emailToDomain == null) {
+			String emailTo = mail.getTo()[0].getAddrSpec();
+			int index = emailTo.indexOf("@");
+			if(index < 0) {
+				throw new RuntimeException("Invalid emailTo: " + emailTo);
+			}
+			emailToUser = emailTo.substring(0, index);
+			emailToDomain = emailTo.substring(index);
+		}
+
+		if (emailSubject == null) {
+			emailSubject = Jtp.hideNull(mail.getSubject());
+		}
+
+		if (emailBody == null) {
+			emailBody = ((TextContent) mail.getContent()).getText();
+		}
+		%>
+		<form method="post" action="/mailing_list/<%=isSubscription? "SubscribeToMailingList.jtp":"UnsubscribeFromMailingList.jtp"%>" accept-charset="UTF-8">
+			<input type="hidden" name="node" value="<%=node.getId()%>">
+			<input type="hidden" name="action" value="SendEmail">
+			<input type="hidden" name="emailToDomain" value="<%=emailToDomain%>">
+			<input type="hidden" name="emailToUser" value="<%=emailToUser%>">
+			<input type="hidden" name="emailSubject" value="<%=emailSubject%>">
+			<input type="hidden" name="emailBody" value="<%=emailBody%>">
+			<input type="hidden" name="emailFrom" value="<%=emailFrom%>"/>
+			<table style="margin-left:2em">
+				<tr>
+					<td align=right>From:&nbsp;</td>
+					<td><input type="text" name="emailFrom2" value="<%=emailFrom%>" size="50" disabled/></td>
+				</tr>
+				<tr>
+					<td align=right>To:&nbsp;</td>
+					<td valign="middle"><input type="text" name="emailToUser2" value="<%=emailToUser%>" size="50" disabled/><%=emailToDomain%></td>
+				</tr>
+				<tr>
+					<td align=right>Subject:&nbsp;</td>
+					<td><input type="text" name="emailSubject2" value="<%=emailSubject%>" size="50" disabled/></td>
+				</tr>
+				<tr>
+					<td align=right valign=top>Message:&nbsp;</td>
+					<td><textarea cols="50" rows="5" name="emailBody2" wrap="SOFT" disabled><%=emailBody%></textarea></td>
+				</tr>
+				<tr>
+					<td><br></td>
+					<td>
+						<input type="submit" value="<%=button%>" />
+					</td>
+				</tr>
+			</table>
+		</form>
+		<%
+	}
+
+}
+%>