5442 |
07 Oct 10 |
nicklas |
1 |
/** |
5442 |
07 Oct 10 |
nicklas |
$Id$ |
5442 |
07 Oct 10 |
nicklas |
3 |
|
5442 |
07 Oct 10 |
nicklas |
Copyright (C) 2010 Nicklas Nordborg |
5442 |
07 Oct 10 |
nicklas |
5 |
|
5442 |
07 Oct 10 |
nicklas |
This file is part of BASE - BioArray Software Environment. |
5442 |
07 Oct 10 |
nicklas |
Available at http://base.thep.lu.se/ |
5442 |
07 Oct 10 |
nicklas |
8 |
|
5442 |
07 Oct 10 |
nicklas |
BASE is free software; you can redistribute it and/or |
5442 |
07 Oct 10 |
nicklas |
modify it under the terms of the GNU General Public License |
5442 |
07 Oct 10 |
nicklas |
as published by the Free Software Foundation; either version 3 |
5442 |
07 Oct 10 |
nicklas |
of the License, or (at your option) any later version. |
5442 |
07 Oct 10 |
nicklas |
13 |
|
5442 |
07 Oct 10 |
nicklas |
BASE is distributed in the hope that it will be useful, |
5442 |
07 Oct 10 |
nicklas |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
5442 |
07 Oct 10 |
nicklas |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
5442 |
07 Oct 10 |
nicklas |
GNU General Public License for more details. |
5442 |
07 Oct 10 |
nicklas |
18 |
|
5442 |
07 Oct 10 |
nicklas |
You should have received a copy of the GNU General Public License |
5442 |
07 Oct 10 |
nicklas |
along with BASE. If not, see <http://www.gnu.org/licenses/>. |
5442 |
07 Oct 10 |
nicklas |
21 |
*/ |
5442 |
07 Oct 10 |
nicklas |
22 |
package net.sf.basedb.util; |
5442 |
07 Oct 10 |
nicklas |
23 |
|
5442 |
07 Oct 10 |
nicklas |
24 |
import java.util.regex.Matcher; |
5442 |
07 Oct 10 |
nicklas |
25 |
import java.util.regex.Pattern; |
5442 |
07 Oct 10 |
nicklas |
26 |
|
5442 |
07 Oct 10 |
nicklas |
27 |
import org.apache.commons.mail.Email; |
5442 |
07 Oct 10 |
nicklas |
28 |
import org.apache.commons.mail.EmailException; |
5442 |
07 Oct 10 |
nicklas |
29 |
import org.apache.commons.mail.SimpleEmail; |
5442 |
07 Oct 10 |
nicklas |
30 |
|
5442 |
07 Oct 10 |
nicklas |
31 |
import net.sf.basedb.core.Application; |
5442 |
07 Oct 10 |
nicklas |
32 |
import net.sf.basedb.core.Config; |
5442 |
07 Oct 10 |
nicklas |
33 |
import net.sf.basedb.core.User; |
5442 |
07 Oct 10 |
nicklas |
34 |
|
5442 |
07 Oct 10 |
nicklas |
35 |
/** |
5442 |
07 Oct 10 |
nicklas |
Utility class for email sending. Before use it must be initialized |
5442 |
07 Oct 10 |
nicklas |
(this is done automatically when starting BASE). Configuration options |
5442 |
07 Oct 10 |
nicklas |
in the base.config file are used. |
5442 |
07 Oct 10 |
nicklas |
39 |
|
5442 |
07 Oct 10 |
nicklas |
<ul> |
5442 |
07 Oct 10 |
nicklas |
<li>mail.server.host: Host name of the outgoing smtp server. This |
5442 |
07 Oct 10 |
nicklas |
must be set or email sending will be disabled. |
5442 |
07 Oct 10 |
nicklas |
<li>mail.server.port: Port the outgoing smtp server is listening to. |
5442 |
07 Oct 10 |
nicklas |
If not set the default port is used (25 for regular mail, 465 for |
5442 |
07 Oct 10 |
nicklas |
SSL). |
5442 |
07 Oct 10 |
nicklas |
<li>mail.server.ssl: If SSL is enabled or not. |
5442 |
07 Oct 10 |
nicklas |
<li>mail.server.tsl: If TLS is enabled or not. |
5442 |
07 Oct 10 |
nicklas |
<li>mail.from.email: Email address to use as the sender of outgoing emails. |
5442 |
07 Oct 10 |
nicklas |
This must be set or email seding will be disabled. |
5442 |
07 Oct 10 |
nicklas |
<li>mail.from.name: Name to use as the sender of outgoing emails. If not |
5442 |
07 Oct 10 |
nicklas |
set a default name is created based on the host name of the BASE server. |
5442 |
07 Oct 10 |
nicklas |
</ul> |
5442 |
07 Oct 10 |
nicklas |
53 |
|
5442 |
07 Oct 10 |
nicklas |
@author Nicklas |
5442 |
07 Oct 10 |
nicklas |
@since 2.16 |
5442 |
07 Oct 10 |
nicklas |
@base.modified $Date$ |
5442 |
07 Oct 10 |
nicklas |
57 |
*/ |
5442 |
07 Oct 10 |
nicklas |
58 |
public class EmailUtil |
5442 |
07 Oct 10 |
nicklas |
59 |
{ |
5442 |
07 Oct 10 |
nicklas |
60 |
|
5442 |
07 Oct 10 |
nicklas |
61 |
/** |
5442 |
07 Oct 10 |
nicklas |
This pattern can be used to find email addresses. The pattern will check that |
5442 |
07 Oct 10 |
nicklas |
an @ symbol is present and that it is preceded with at least one character and |
5442 |
07 Oct 10 |
nicklas |
followed by at least one subdomain and one topdomain. The pattern will allow |
5442 |
07 Oct 10 |
nicklas |
any unicode letters, digits, underscore and hyphen in the address. It will |
5442 |
07 Oct 10 |
nicklas |
not check that the domain or email address actually exists. |
5442 |
07 Oct 10 |
nicklas |
67 |
*/ |
5442 |
07 Oct 10 |
nicklas |
68 |
public static final Pattern EMAIL_REGEXP = Pattern.compile("[\\p{L}\\d_-]+(\\.[\\p{L}\\d_-]+)*@[\\p{L}\\d_-]+(\\.[\\p{L}\\d_-]+)+"); |
5442 |
07 Oct 10 |
nicklas |
69 |
|
5442 |
07 Oct 10 |
nicklas |
70 |
private static boolean initialized; |
5442 |
07 Oct 10 |
nicklas |
71 |
private static boolean enabled; |
5442 |
07 Oct 10 |
nicklas |
72 |
|
5442 |
07 Oct 10 |
nicklas |
73 |
private static String hostName; |
5442 |
07 Oct 10 |
nicklas |
74 |
private static int hostPort; |
5442 |
07 Oct 10 |
nicklas |
75 |
private static boolean ssl; |
5442 |
07 Oct 10 |
nicklas |
76 |
private static boolean tls; |
5442 |
07 Oct 10 |
nicklas |
77 |
private static String senderEmail; |
5442 |
07 Oct 10 |
nicklas |
78 |
private static String senderName; |
5442 |
07 Oct 10 |
nicklas |
79 |
|
5442 |
07 Oct 10 |
nicklas |
80 |
public static synchronized void init() |
5442 |
07 Oct 10 |
nicklas |
81 |
{ |
5442 |
07 Oct 10 |
nicklas |
82 |
if (initialized) return; |
5442 |
07 Oct 10 |
nicklas |
83 |
|
5442 |
07 Oct 10 |
nicklas |
84 |
hostName = Config.getString("mail.server.host", null); |
5442 |
07 Oct 10 |
nicklas |
85 |
ssl = Config.getBoolean("mail.server.ssl"); |
5442 |
07 Oct 10 |
nicklas |
86 |
tls = Config.getBoolean("mail.server.tls"); |
5442 |
07 Oct 10 |
nicklas |
87 |
hostPort = Config.getInt("mail.server.port", ssl ? 465 : 25); |
5442 |
07 Oct 10 |
nicklas |
88 |
senderEmail = Config.getString("mail.from.email", null); |
5442 |
07 Oct 10 |
nicklas |
89 |
senderName = Config.getString("mail.from.name", "BASE " + Application.getMajorVersion() + "." + |
5442 |
07 Oct 10 |
nicklas |
90 |
Application.getMinorVersion() + "." + Application.getMaintenanceVersion() + "@" + Application.getHostName()); |
5442 |
07 Oct 10 |
nicklas |
91 |
enabled = hostName != null && senderEmail != null; |
5442 |
07 Oct 10 |
nicklas |
92 |
initialized = true; |
5442 |
07 Oct 10 |
nicklas |
93 |
} |
5442 |
07 Oct 10 |
nicklas |
94 |
|
5442 |
07 Oct 10 |
nicklas |
95 |
/** |
5442 |
07 Oct 10 |
nicklas |
Unload all settings. |
5442 |
07 Oct 10 |
nicklas |
97 |
*/ |
5442 |
07 Oct 10 |
nicklas |
98 |
public static synchronized void unload() |
5442 |
07 Oct 10 |
nicklas |
99 |
{ |
5442 |
07 Oct 10 |
nicklas |
100 |
initialized = false; |
5442 |
07 Oct 10 |
nicklas |
101 |
enabled = false; |
5442 |
07 Oct 10 |
nicklas |
102 |
hostName = null; |
5442 |
07 Oct 10 |
nicklas |
103 |
ssl = false; |
5442 |
07 Oct 10 |
nicklas |
104 |
tls = false; |
5442 |
07 Oct 10 |
nicklas |
105 |
hostPort = 0; |
5442 |
07 Oct 10 |
nicklas |
106 |
senderEmail = null; |
5442 |
07 Oct 10 |
nicklas |
107 |
senderName = null; |
5442 |
07 Oct 10 |
nicklas |
108 |
} |
5442 |
07 Oct 10 |
nicklas |
109 |
|
5442 |
07 Oct 10 |
nicklas |
110 |
/** |
5442 |
07 Oct 10 |
nicklas |
Check if email sending has been enabled for the server or not. Sending is disabled |
5442 |
07 Oct 10 |
nicklas |
if the {@link #init()} method hasn't been called, the server admin hasn't |
5442 |
07 Oct 10 |
nicklas |
specified an outgoing smtp server or an outgoing sender email. |
5442 |
07 Oct 10 |
nicklas |
@return TRUE if mails are enabled, FALSE otherwise |
5442 |
07 Oct 10 |
nicklas |
115 |
*/ |
5442 |
07 Oct 10 |
nicklas |
116 |
public static boolean isEnabled() |
5442 |
07 Oct 10 |
nicklas |
117 |
{ |
5442 |
07 Oct 10 |
nicklas |
118 |
return initialized && enabled; |
5442 |
07 Oct 10 |
nicklas |
119 |
} |
5442 |
07 Oct 10 |
nicklas |
120 |
|
5442 |
07 Oct 10 |
nicklas |
121 |
/** |
5442 |
07 Oct 10 |
nicklas |
Check if email sending is enabled for the given user. All of the |
5442 |
07 Oct 10 |
nicklas |
following conditions must apply: |
5442 |
07 Oct 10 |
nicklas |
<ul> |
5442 |
07 Oct 10 |
nicklas |
<li>The server must be configured for sending emails (see {@link #isEnabled()}). |
5442 |
07 Oct 10 |
nicklas |
<li>The user must have selected to have emails ({@link User#getSendMessagesAsEmail()}). |
5442 |
07 Oct 10 |
nicklas |
<li>The user must have a valid email address. |
5442 |
07 Oct 10 |
nicklas |
</ul> |
5442 |
07 Oct 10 |
nicklas |
129 |
|
5442 |
07 Oct 10 |
nicklas |
@param user The user to check |
5442 |
07 Oct 10 |
nicklas |
131 |
*/ |
5442 |
07 Oct 10 |
nicklas |
132 |
public static boolean isEnabled(User user) |
5442 |
07 Oct 10 |
nicklas |
133 |
{ |
5442 |
07 Oct 10 |
nicklas |
134 |
return isEnabled() && user.getSendMessagesAsEmail() && isValidEmail(user.getEmail()); |
5442 |
07 Oct 10 |
nicklas |
135 |
} |
5442 |
07 Oct 10 |
nicklas |
136 |
|
5442 |
07 Oct 10 |
nicklas |
137 |
/** |
5442 |
07 Oct 10 |
nicklas |
Checks if the given string looks like an email address. This is done |
5442 |
07 Oct 10 |
nicklas |
by trying to match it against the {@link #EMAIL_REGEXP} |
5442 |
07 Oct 10 |
nicklas |
pattern. |
5442 |
07 Oct 10 |
nicklas |
141 |
|
5442 |
07 Oct 10 |
nicklas |
@param email The string to check |
5442 |
07 Oct 10 |
nicklas |
@return TRUE or FALSE |
5442 |
07 Oct 10 |
nicklas |
@see #EMAIL_REGEXP |
5442 |
07 Oct 10 |
nicklas |
145 |
*/ |
5442 |
07 Oct 10 |
nicklas |
146 |
public static boolean isValidEmail(String email) |
5442 |
07 Oct 10 |
nicklas |
147 |
{ |
5442 |
07 Oct 10 |
nicklas |
148 |
if (email == null) return false; |
5442 |
07 Oct 10 |
nicklas |
149 |
Matcher m = EMAIL_REGEXP.matcher(email); |
5442 |
07 Oct 10 |
nicklas |
150 |
return m.matches(); |
5442 |
07 Oct 10 |
nicklas |
151 |
} |
5442 |
07 Oct 10 |
nicklas |
152 |
|
5442 |
07 Oct 10 |
nicklas |
153 |
/** |
5442 |
07 Oct 10 |
nicklas |
Create a simple text email. Host name, sender, etc. will be set |
5442 |
07 Oct 10 |
nicklas |
according to the settigs from base.config. The caller need |
5442 |
07 Oct 10 |
nicklas |
to set a 'To' address, 'Subject' and the actual message. |
5442 |
07 Oct 10 |
nicklas |
157 |
|
5442 |
07 Oct 10 |
nicklas |
@return An Email object, or null if mail sending is not enabled |
5442 |
07 Oct 10 |
nicklas |
@throws EmailException If there is something wrong with the setup |
5442 |
07 Oct 10 |
nicklas |
160 |
*/ |
5442 |
07 Oct 10 |
nicklas |
161 |
public static Email createSimpleEmail() |
5442 |
07 Oct 10 |
nicklas |
162 |
throws EmailException |
5442 |
07 Oct 10 |
nicklas |
163 |
{ |
5442 |
07 Oct 10 |
nicklas |
164 |
if (!isEnabled()) return null; |
5442 |
07 Oct 10 |
nicklas |
165 |
Email email = new SimpleEmail(); |
5442 |
07 Oct 10 |
nicklas |
166 |
email.setHostName(hostName); |
5442 |
07 Oct 10 |
nicklas |
167 |
if (ssl) |
5442 |
07 Oct 10 |
nicklas |
168 |
{ |
6237 |
01 Feb 13 |
nicklas |
169 |
email.setSSLOnConnect(true); |
5442 |
07 Oct 10 |
nicklas |
170 |
email.setSslSmtpPort(Integer.toString(hostPort)); |
5442 |
07 Oct 10 |
nicklas |
171 |
} |
5442 |
07 Oct 10 |
nicklas |
172 |
else |
5442 |
07 Oct 10 |
nicklas |
173 |
{ |
5442 |
07 Oct 10 |
nicklas |
174 |
email.setSmtpPort(hostPort); |
5442 |
07 Oct 10 |
nicklas |
175 |
} |
6237 |
01 Feb 13 |
nicklas |
176 |
email.setStartTLSEnabled(tls); |
5442 |
07 Oct 10 |
nicklas |
177 |
email.setCharset("UTF-8"); |
5442 |
07 Oct 10 |
nicklas |
178 |
email.setFrom(senderEmail, senderName, "UTF-8"); |
5442 |
07 Oct 10 |
nicklas |
179 |
email.addReplyTo(senderEmail, senderName, "UTF-8"); |
5442 |
07 Oct 10 |
nicklas |
180 |
return email; |
5442 |
07 Oct 10 |
nicklas |
181 |
} |
5442 |
07 Oct 10 |
nicklas |
182 |
|
5442 |
07 Oct 10 |
nicklas |
183 |
|
5442 |
07 Oct 10 |
nicklas |
184 |
} |