1 WEBCIT for the Citadel System
4 Copyright (C) 1996-2009 by the authors. Portions written by:
18 This program is open source software released under the terms of the GNU
19 General Public License, version 3. Please read COPYING.txt for more
20 licensing information.
22 WebCit bundles the Prototype JavaScript Framework, writen by Sam
23 Stephenson [http://prototype.conio.net]. These components are licensed to
24 you under the terms of an MIT-style license.
26 WebCit bundles the script.aculo.us JavaScript library, written by
27 Thomas Fuchs [http://script.aculo.us, http://mir.aculo.us]. These
28 components are licensed to you under the terms of an MIT-style license.
30 WebCit bundles the TinyMCE text editor, written by Moxiecode Systems AB
31 (http://tinymce.moxiecode.com/tinymce/docs/credits.html). This component
32 is licensed to you under the terms of the GNU Lesser General Public
35 WebCit bundles the Nifty Corners library, written by Alessandro Fulciniti
36 [http://cerca.html.it/cgi-bin/cerca.cgi?q=nifty+corners]. This component
37 is licensed to you under the terms of the GNU General Public License.
39 One or more icons are from Milosz Wlazlo [http://miloszwl.deviantart.com]
40 whose license explicitly allows inclusion in open source projects on the
41 condition of this attribution.
43 The Citadel logo was designed by Lisa Aurigemma.
49 Citadel is a sophisticated groupware platform which allows multiple
50 users to simultaneously access the system using a variety of user interfaces.
51 This package (WebCit) is a "middleware" package which presents an HTML/HTTP
52 user interface to the Citadel system.
54 What this means in practice is that after you've installed WebCit, users can
55 access all functions of your system using any web browser. Since this may be
56 the first Citadel experience for many new users, the screens have been designed
57 to be attractive and easy to navigate.
63 Unline some web-based packages, WebCit contains its own standalone HTTP
64 engine. As a result, you can get it running quickly without all that tedious
65 mucking about with Apache configuration files and directories. WebCit is not
66 intended to be a general-purpose web server, however -- it *only* provides a
67 front end to Citadel. If you do not have another web server running, you may
68 run WebCit on port 80; however, if you have Apache or some other web server
69 listening on port 80, you must run WebCit on another port. If you do not
70 specify a port number, WebCit will bind to port 2000.
72 To compile from source, enter the usual commands:
73 ./configure --prefix=/usr/local/webcit [or whatever directory you prefer]
77 Package/Ports Maintainers: to make webcit fit smart into LHFS-ified systems
78 read on at the end of this file, Advanced configure options.
80 Then to initialize it:
84 After running setup, you just point your web browser to whatever port you
89 (or if you specified some other port, such as 2000 in this example...)
91 http://your.host.name:2000
95 The included "setup" program is basically just an installation helper that
96 asks a series of questions and then adds the appropriate line to inittab to
97 start WebCit. For most installations, this will do just fine. If you have
98 special circumstances, or if you'd prefer to configure WebCit manually, you
99 may skip the setup program. Instead, open /etc/inittab and add an entry
102 wc:2345:respawn:/usr/local/webcit/webcit
105 Several command-line options are also available. Here's the usage for
106 the "webcit" program:
108 webcit [-i ip_addr] [-p http_port] [-s] [-t tracefile]
109 [-c] [-f] [remotehost [remoteport]]
113 webcit [-i ip_addr] [-p http_port] [-s] [-t tracefile]
114 [-c] [-f] uds /your/citadel/directory
118 -> ip_addr: the IP address on which you wish your WebCit server to run.
119 You can leave this out, in which case WebCit will listen on all
120 available network interfaces. Normally this will be the case, but if
121 you are running multiple Citadel systems on one host, it can be useful.
122 You can also use this option to run Apache and WebCit on different IP
123 addresses instead of different ports, if you have them available.
125 -> http_port: the TCP port on which you wish your WebCit server to run. If
126 you are installing WebCit on a dedicated server, you can use the
127 standard port 80. Otherwise, if port 80 is already occupied by some
128 other web service (probably Apache), then you'll need to select a
129 different port. If you do not specify a port number, WebCit will attempt
132 -> tracefile: where you want WebCit to log to. This can be a file, a
133 virtual console, or /dev/null to suppress logging altogether.
135 -> The "-c" option causes WebCit to output an extra cookie containing the
136 identity of the WebCit server. The cookie will look like this:
137 Set-cookie: wcserver=your.host.name
138 This is useful if you have a cluster of WebCit servers sitting behind a
139 load balancer, and the load balancer has the ability to use cookies to
140 keep track of which server to send HTTP requests to.
142 -> The "-s" option causes WebCit to present an HTTPS (SSL-encrypted) web
143 service. If you want to do both HTTP and HTTPS, you can simply run two
144 instances of WebCit on two different ports.
146 -> The "-f" option tells WebCit that it is allowed to follow the
147 "X-Forwarded-For:" HTTP headers which may be added if your WebCit service
148 is sitting behind a front end proxy. This will allow users in your "Who
149 is online?" list to appear as connecting from their actual host address
150 instead of the address of the proxy. In addition, the
151 "X-Forwarded-Host:" header from the front end proxy will also be honored,
152 which will help to make automatically generated absolute URL's (for
153 things like GroupDAV and mailing list subscriptions) correct.
155 -> remotehost: the name or IP address of the host on which your Citadel
156 server is running. The default is "localhost".
158 -> remoteport: the port number on which your Citadel server is running.
159 The default is port 504, the IANA-designated standard port for Citadel.
161 -> "uds" is a keyword which tells WebCit that you wish to connect to a
162 Citadel server running on the same computer, rather than using a TCP/IP
163 socket. /your/citadel/directory should be set to the actual name of the
164 directory in which you have Citadel installed
165 (such as /usr/local/citadel). If you run Citadel and WebCit on the same
166 computer, this is recommended, as it will run much faster.
172 WebCit contains graphics, templates, JavaScript code, etc. which are kept
173 in its "static" subdirectory. All site-specific graphics, however, are
174 fetched from the Citadel server.
176 The "images" directory on a Citadel system contains these graphics. The
177 ones which you may be interested in are:
179 -> background.gif: a background texture displayed under all web pages
180 -> hello.gif: your system's logo. It is displayed along with the logon
181 banner, and on the top left corner of each page.
183 If you would like to deploy a "favicon.ico" graphic, please put it in
184 the static/ directory. WebCit will properly serve it from there.
190 The default WebCit installation will create an empty directory called
191 "static.local". In this directory you may place a file called "webcit.css"
192 which, if present, is referenced *after* the default stylesheet. If you
193 know CSS and wish to customize your WebCit installation, any styles you
194 declare in static.local/webcit.css will override the styles found in
195 static/webcit.css -- and your customizations will not be overwritten when
196 you upgrade WebCit later.
198 You may also place other files, such as images, in static.local for
199 further customization.
205 WebCit contains support for calendaring and scheduling. In order to use it
206 you must have libical v0.26 (or newer) on your system. You must also be
207 running a Citadel server with calendaring support. The calendar service will
208 be automatically configured and installed if your host system supports it.
210 WebCit also provides iCalendar format free/busy data for calendar clients.
211 Unlike with some other servers, there is no need for each user to "publish"
212 free/busy data -- it is generated on-the-fly from the server-side calendar
213 of the user being queried.
216 HTTPS (encryption) SUPPORT
217 --------------------------
219 WebCit now supports HTTPS for encrypted connections. When a secure server
220 port is specified via the "-s" flag, an HTTPS service is enabled.
222 The service will look in the "keys" directory for the following files:
224 citadel.key (your server's private key)
225 citadel.csr (a certificate signing request)
226 citadel.cer (your server's public certificate)
228 If any of these files are not found, WebCit will first attempt to link to the
229 SSL files in the Citadel service's directory (if Citadel is running on the
230 same host as WebCit), and if that does not succeed, it will automatically
231 generate a key and certificate.
233 It is up to you to decide whether to use an automatically generated,
234 self-signed certificate, or purchase a certificate signed by a well known
238 INTEGRATING INTO APACHE
239 -----------------------
241 It is best to run WebCit natively on its own HTTP port. If, however, you wish
242 to have WebCit run as part of an Apache web server installation (for example,
243 you only have one IP address and you need to stay on port 80 or 443 in order to
244 maintain compatibility with corporate firewall policy), you can do this with
245 the "mod_proxy" Apache module.
247 The preferred way to do this is to configure a NameVirtualHost for your WebCit
248 installation (for example, http://webcit.example.com) and then proxy that
249 virtual host through to WebCit. The alternative way, which does work but is not
250 quite as robust, is to "mount" the WebCit paths as directory aliases to your
253 Here is how to configure the NameVirtualHost method:
255 <VirtualHost mydomain.com:443>
256 #here some of your config stuff like logging, serveradmin...
257 NameVirtualHost www.mydomain.com
261 ProxyPass / http://127.0.0.1:2000/
262 ProxyPassReverse / http://127.0.0.1:2000/
263 # The following line is optional. It allows WebCit's static content
264 # such as images to be served directly by Apache.
265 alias /static /var/lib/citadel/www/static
268 Here is how to configure the "subdirectory" method:
270 <VirtualHost mydomain.com:443>
271 #here some of your config stuff like logging, serveradmin...
272 NameVirtualHost www.mydomain.com
282 <location /who_inner_html>
286 ProxyPass /webcit/ http://127.0.0.1:2000/webcit/
287 ProxyPassReverse /webcit/ http://127.0.0.1:2000/webcit/
288 ProxyPass /listsub/ http://127.0.0.1:2000/listsub/
289 ProxyPassReverse /listsub/ http://127.0.0.1:2000/listsub/
290 ProxyPass /groupdav/ http://127.0.0.1:2000/groupdav/
291 ProxyPassReverse /groupdav/ http://127.0.0.1:2000/groupdav/
292 ProxyPass /who_inner_html http://127.0.0.1:2000/who_inner_html
293 ProxyPassReverse /who_inner_html http://127.0.0.1:2000/who_inner_html
294 # The following line is optional. It allows WebCit's static content
295 # such as images to be served directly by Apache.
296 alias /static /var/lib/citadel/www/static
300 ADVANCED CONFIGURE OPTIONS
301 --------------------------
303 If you are building packages and prefer not to have WebCit reside entirely in
304 a single directory, there are several compile-time options available.
306 --with-wwwdir defines where webcit should locate and search its templates and images.
307 --with-localedir defines where to put webcits locale files.
309 Also, there are possibilities to load the TinyMCE editor into a system-wide location. WebCit
310 uses this standard component to compose its messages for messages and postings. Several WebCit installations
311 that may differ in design but use the same TinyMCE (which is the default that WebCit ships with)
312 (set --with-editordir for that, it defaults to the dir the templates go)
314 Install targets have diversified to reflect these changes too:
316 locale: the webcit .mo files for gettext & locales.
317 tinymce: the editor. if your system brings one, just ommit this.
318 wwwdata: our templates.
319 setupbin: if you want to use webcits setup facility... but isn't needed in case you provide own init & config scripts.
326 That's all you need to know to get started. If you have any questions or
327 comments, please visit UNCENSORED! BBS, the home of Citadel, at
328 http://uncensored.citadel.org - and go to the "Citadel Support" room.