Allow specifying custom <meta> tags in HTML head
[geekigeeki.git] / geekigeeki.py
index dba75a28afe2493b8cf42f06ac92b5614a630d85..1e2b065d05705ba8851177338d651429809590a4 100755 (executable)
@@ -31,7 +31,7 @@ from os import path, environ
 word_re = re.compile(r"^\b((([A-Z][a-z0-9]+){2,}/)*([A-Z][a-z0-9]+){2,})\b$")
 # FIXME: we accept stuff like foo/../bar and we shouldn't
 file_re = re.compile(r"^\b([A-Za-z0-9_\-][A-Za-z0-9_\.\-/]*)\b$")
-img_re = re.compile(r"^.*\.(png|gif|jpg|jpeg)$", re.IGNORECASE)
+img_re = re.compile(r"^.*\.(png|gif|jpg|jpeg|bmp|ico)$", re.IGNORECASE)
 url_re = re.compile(r"^[a-z]{3,8}://[^\s'\"]+\S$")
 link_re = re.compile("(?:\[\[|{{)([^\s\|]+)(?:\s*\|\s*([^\]]+)|)(?:\]\]|}})")
 
@@ -85,7 +85,7 @@ def send_guru(msg_text, msg_type):
         print '    Software Failure.  Press left mouse button to continue.\n'
     print msg_text
     if msg_type == 'error':
-        print '      Guru Meditation #DEADBEEF.ABADC0DE'
+        print '\n      Guru Meditation #DEADBEEF.ABADC0DE'
     print '</pre>'
     # FIXME: This little JS snippet is harder to pass than ACID 3.0 
     print """
@@ -110,7 +110,7 @@ def send_guru(msg_text, msg_type):
         }
     </script>"""
 
-def send_title(name, text="Limbo", msg_text=None, msg_type='error'):
+def send_title(name, text="Limbo", msg_text=None, msg_type='error', writable=False):
     global title_done
     if title_done: return
 
@@ -125,12 +125,27 @@ def send_title(name, text="Limbo", msg_text=None, msg_type='error'):
     print ' <meta http-equiv="Content-Type" content="application/xhtml+xml; charset=utf-8" />'
     if not name:
         print ' <meta name="robots" content="noindex,nofollow" />'
-    for css in css_url:
-        print ' <link rel="stylesheet" type="text/css" href="%s" />' % relative_url(css)
+
+    for meta in meta_urls:
+        http_equiv, content = meta
+        print ' <meta http-equiv="%s" content="%s" />' % (http_equiv, relative_url(content))
+
+    for link in link_urls:
+        rel, href = link
+        print ' <link rel="%s" href="%s" />' % (rel, relative_url(href))
+
+    if name and writable and privileged_url is not None:
+        print ' <link rel="alternate" type="application/x-wiki" title="Edit this page" href="%s" />' \
+            % (privileged_path() + '?edit=' + name)
+
+    if history_url is not None:
+        print ' <link rel="alternate" type="application/rss+xml" title="RSS" href="%s" />' \
+            % relative_url(history_url + '?a=rss')
+
     print '</head>'
 
     # Body
-    if name and privileged_url is not None:
+    if name and writable and privileged_url is not None:
         print '<body ondblclick="location.href=\'' + privileged_path() + '?edit=' + name + '\'">'
     else:
         print '<body>'
@@ -144,17 +159,21 @@ def send_title(name, text="Limbo", msg_text=None, msg_type='error'):
         print '  <b>' + link_tag('?fullsearch=' + name, text, 'navlink') + '</b> '
     else:
         print '  <b>' + text + '</b> '
-    print ' | ' + link_tag('FrontPage', 'Front Page', 'navlink')
+    print ' | ' + link_tag('FrontPage', 'Home', 'navlink')
     print ' | ' + link_tag('FindPage', 'Find Page', 'navlink')
     if 'history_url' in globals():
-        print ' | <a href="' + history_url + '" class="navlink">Recent Changes</a>'
+        print ' | <a href="' + relative_url(history_url) + '" class="navlink">Recent Changes</a>'
         if name:
-            print ' | <a href="' + history_url + '?a=history;f=' + name + '" class="navlink">Page History</a>'
+            print ' | <a href="' + relative_url(history_url + '?a=history;f=' + name) + '" class="navlink">Page History</a>'
 
     if name:
         print ' | ' + link_tag('?raw=' + name, 'Raw Text', 'navlink')
         if privileged_url is not None:
-            print ' | ' + link_tag('?edit=' + name, 'Edit Page', 'navlink', privileged=True)
+            if writable:
+                print ' | ' + link_tag('?edit=' + name, 'Edit', 'navlink', privileged=True)
+            else:
+                print ' | ' + link_tag(name, 'Login', 'navlink', privileged=True)
+
     else:
         print ' | <i>Immutable Page</i>'
 
@@ -164,6 +183,11 @@ def send_title(name, text="Limbo", msg_text=None, msg_type='error'):
 
     print '<hr /></div>'
 
+def send_httperror(status="403 Not Found", query=""):
+    print "Status: %s" % status
+    send_title(None, msg_text=("%s: on query '%s'" % (status, query)))
+    send_footer(None)
+
 def link_tag(params, text=None, ss_class=None, privileged=False):
     if text is None:
         text = params # default
@@ -225,15 +249,23 @@ def print_search_stats(hits, searched):
     print "<p>%d hits out of %d pages searched.</p>" % (hits, searched)
 
 def handle_raw(pagename):
+    if not file_re.match(pagename):
+        send_httperror("403 Forbidden", pagename)
+        return
+
     Page(pagename).send_raw()
 
 def handle_edit(pagename):
+    if not file_re.match(pagename):
+        send_httperror("403 Forbidden", pagename)
+        return
+
     pg = Page(pagename)
     if 'save' in form:
         if form['file'].value:
-            pg.save(form['file'].file.read())
+            pg.save(form['file'].file.read(), form['changelog'].value)
         else:
-            pg.save(form['savetext'].value.replace('\r\n', '\n'))
+            pg.save(form['savetext'].value.replace('\r\n', '\n'), form['changelog'].value)
         pg.format()
     elif 'cancel' in form:
         pg.msg_text = 'Editing canceled'
@@ -250,17 +282,20 @@ def make_index_key():
     return '<p><center>'+ ' | '.join(links) + '</center></p>'
 
 def page_list(dir = None, re = word_re):
-    return filter(re.match, os.listdir(dir or data_dir))
+    return sorted(filter(re.match, os.listdir(dir or data_dir)))
 
 def send_footer(name, mod_string=None):
     if globals().get('debug_cgi', False):
         cgi.print_arguments()
         cgi.print_form(form)
         cgi.print_environ()
-    print '<div id="footer"><hr />'
-    print ('<p class="copyright"><span class="benchmark">generated in %0.3fs</span>' +
-        ' by <a href="http://www.codewiz.org/wiki/GeekiGeeki">GeekiGeeki</a>' +
-        ' version %s</p>') % (clock() - start_time, __version__)
+    print '''
+<div id="footer"><hr />
+<p class="copyright">
+<a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/"><img class="license" alt="Creative Commons License" src="http://i.creativecommons.org/l/by-sa/3.0/80x15.png" /></a>
+<span class="benchmark">generated in %0.3fs</span> by <a href="http://www.codewiz.org/wiki/GeekiGeeki">GeekiGeeki</a> version %s
+</p>
+''' % (clock() - start_time, __version__)
     if mod_string:
         print '<p class="modified">last modified %s</p>' % mod_string
     print '</div></body></html>'
@@ -335,7 +370,11 @@ class WikiFormatter:
 
         macro = globals().get('_macro_' + name)
         if not macro:
-            execfile("macros/" + name + ".py", globals())
+            try:
+                execfile("macros/" + name + ".py", globals())
+            except IOError, er:
+                if er.errno == errno.ENOENT:
+                    pass
             macro = globals().get('_macro_' + name)
         if macro:
             return macro(argv)
@@ -345,27 +384,33 @@ class WikiFormatter:
     def _hurl_repl(self, word):
         m = link_re.match(word)
         name = m.group(1)
-        descr = m.group(2) or name
+        descr = m.group(2)
+        if descr is None:
+            descr = name
+        elif img_re.match(m.group(2)):
+            descr = '<img border="0" src="' + descr + '" />'
 
-        if img_re.match(name):
-            # DEPRECATED SYNTAX: use {{foo.jpg|descr}} instead
-            _inl_repl(self, word)
-        else:
-            if img_re.match(descr):
-                descr = '<img border="0" src="' + descr + '" />'
-
-            return link_tag(name, descr, 'wikilink')
+        return link_tag(name, descr, 'wikilink')
 
     def _inl_repl(self, word):
         m = link_re.match(word)
         name = m.group(1)
         descr = m.group(2) or name
         name = relative_url(name)
+        argv = descr.split('|')
+        descr = argv.pop(0)
+
+        if argv:
+            args = '?' + '&amp;'.join(argv)
+        else:
+            args = ''
+
         if descr:
             # The "extthumb" nonsense works around a limitation of the HTML block model
-            return '<div class="extthumb"><div class="thumb"><a href="%s"><img border="0" src="%s" alt="%s" /></a><div class="caption">%s</div></div></div>' % (name, name, descr, descr)
+            return '<div class="extthumb"><div class="thumb"><a href="%s"><img border="0" src="%s" alt="%s" /></a><div class="caption">%s</div></div></div>' \
+                    % (name, name + args, descr, descr)
         else:
-            return '<a href="%s"><img border="0" src="%s" /></a>' % (name, name)
+            return '<a href="%s"><img border="0" src="%s" /></a>' % (name, name + args)
 
     def _email_repl(self, word):
         return '<a href="mailto:%s">%s</a>' % (word, word)
@@ -474,19 +519,19 @@ class WikiFormatter:
             + r"|(?P<hurl>\[\[([^\s\|]+)(?:\s*\|\s*([^\]]+)|)\]\])"
 
             # Inline HTML
-            + r"|(?P<html><(/|)(br|hr|div|form|iframe|input|span))"
+            + r"|(?P<html><(/|)(br|hr|div|span|form|iframe|input|textarea|a))"
             + r"|(?P<ent>[<>&])"
 
-            # Auto links
-            + r"|(?P<img>\b[a-zA-Z0-9_/-]+\.(png|gif|jpg|jpeg|bmp))" # LEGACY
-            + r"|(?P<word>\b(?:[A-Z][a-z]+){2,}\b)" # LEGACY
-            + r"|(?P<url>(http|https|ftp|mailto)\:[^\s'\"]+\S)" # LEGACY
-            + r"|(?P<email>[-\w._+]+\@[\w.-]+)" # LEGACY
+            # Auto links (LEGACY)
+            + r"|(?P<img>\b[a-zA-Z0-9_/-]+\.(png|gif|jpg|jpeg|bmp|ico))"
+            + r"|(?P<word>\b(?:[A-Z][a-z]+){2,}\b)"
+            + r"|(?P<url>(http|https|ftp|mailto)\:[^\s'\"]+\S)"
+            + r"|(?P<email>[-\w._+]+\@[\w.-]+)"
 
             # Lists, divs, spans
             + r"|(?P<li>^\s+[\*#] +)"
             + r"|(?P<pre>\{\{\{|\s*\}\}\})"
-            + r"|(?P<inl>\{\{([^\s\|]+)(?:\s*\|\s*([^\]]+)|)\}\})" #TODO
+            + r"|(?P<inl>\{\{([^\s\|]+)(?:\s*\|\s*([^\]]+)|)\}\})"
 
             # Tables
             + r"|(?P<tr>^\s*\|\|(=|)\s*)"
@@ -571,10 +616,18 @@ class Page:
             raise er
 
     def format_dir(self):
-        out = ''
+        out = '== '
+        path = ''
+        for dir in self.page_name.split('/'):
+            path = (path + '/' + dir) if path else dir
+            out += '[[' + path + '|' + dir + ']]/'
+        out += ' ==\n'
         for file in page_list(self._filename(), file_re):
             if img_re.match(file):
-                out += ' * {{' + self.page_name + '/' + file + '}}\n'
+                if image_maxwidth:
+                    maxwidth_arg = '|maxwidth=' + str(image_maxwidth)
+                out += '{{' + self.page_name + '/' + file + '|' + file + maxwidth_arg + '}}\n'
             else:
                 out += ' * [[' + self.page_name + '/' + file + ']]\n'
         return out
@@ -592,7 +645,7 @@ class Page:
                 self.attrs[m.group(1)] = m.group(2).strip()
                 #print "bernie: attrs[" + m.group(1) + "] = " + m.group(2) + "<br>\n"
         except IOError, er:
-            if er.errno != errno.ENOENT:
+            if er.errno != errno.ENOENT and er.errno != errno.EISDIR:
                 raise er
         return self.attrs
 
@@ -627,17 +680,16 @@ class Page:
             send_guru("Read access denied by ACLs", "notice")
 
     def format(self):
-        page_name = None
-        if self.can_write():
-            page_name = self.page_name
-
-        #css foo.css bar.css
-        global css_url
-        css_url = self.get_attr("css", "").split() + css_url
-
-        send_title(page_name, self.split_title(), msg_text=self.msg_text, msg_type=self.msg_type)
+        #css foo.css
+        value = self.get_attr("css", None)
+        if value:
+            global link_urls
+            link_urls += [ [ "stylesheet", value ] ]
+
+        send_title(self.page_name, self.split_title(),
+            msg_text=self.msg_text, msg_type=self.msg_type, writable=self.can_write())
         self.send_naked()
-        send_footer(page_name, self._last_modified())
+        send_footer(self.page_name, self._last_modified())
 
     def _last_modified(self):
         try:
@@ -663,18 +715,25 @@ class Page:
             + ' for ' + cgi.escape(remote_user())
             + ' from ' + cgi.escape(get_hostname(remote_host()))
             + '</b></p>')
-        print '<div class="editor"><form method="post" enctype="multipart/form-data" action="%s">' % relative_url(self.page_name)
+        print '<div class="editor"><form name="editform" method="post" enctype="multipart/form-data" action="%s">' % relative_url(self.page_name)
         print '<input type="hidden" name="edit" value="%s">' % (self.page_name)
-        print '<textarea wrap="off" spellcheck="true" id="editor" name="savetext" rows="17" cols="100">%s</textarea>' % (preview or self.get_raw_body())
-        print 'Or upload a file: <input type="file" name="file" value="%s" />' % file
+        print '<input type="input" id="editor" name="changelog" value="Edit page %s" accesskey="c" /><br />' % (self.page_name)
+        print '<textarea wrap="off" spellcheck="true" id="editor" name="savetext" rows="17" cols="100" accesskey="e">%s</textarea>' % cgi.escape(preview or self.get_raw_body())
+        print '<label for="file" accesskey="u">Or Upload a file:</label> <input type="file" name="file" value="%s" />' % file
         print """
             <br />
-            <input type="submit" name="save" value="Save" />
-            <input type="submit" name="preview" value="Preview" />
+            <input type="submit" name="save" value="Save" accesskey="s">
+            <input type="submit" name="preview" value="Preview" accesskey="p" />
             <input type="reset" value="Reset" />
             <input type="submit" name="cancel" value="Cancel" />
             <br />
-            </form></div>"""
+            </form></div>
+            <script language="javascript">
+            <!--
+            document.editform.savetext.focus()
+            //-->
+            </script>
+            """
         print "<p>" + Page('EditingTips').link_to() + "</p>"
         if preview:
             print "<div class='preview'>"
@@ -690,6 +749,16 @@ class Page:
         else:
             send_title(None, msg_text='Read access denied by ACLs', msg_type='notice')
 
+    def send_image(self, mimetype, args=[]):
+        if 'maxwidth' in args:
+            import subprocess
+            emit_header(mimetype)
+            sys.stdout.flush()
+            subprocess.check_call(['gm', 'convert', self._filename(),
+                '-scale', args['maxwidth'].value + ' >', '-'])
+        else:
+            self.send_raw(mimetype)
+
     def _write_file(self, data):
         tmp_filename = self._tmp_filename()
         open(tmp_filename, 'wb').write(data)
@@ -702,7 +771,7 @@ class Page:
                 if er.errno != errno.ENOENT: raise er
         os.rename(tmp_filename, name)
 
-    def save(self, newdata):
+    def save(self, newdata, changelog):
         if not self.can_write():
             self.msg_text = 'Write access denied by ACLs'
             self.msg_type = 'error'
@@ -715,7 +784,8 @@ class Page:
             cmd = ( post_edit_hook
                 + " '" + data_dir + '/' + self.page_name
                 + "' '" + remote_user()
-                + "' '" + remote_host() + "'"
+                + "' '" + remote_host()
+               + "' '" + changelog + "'"
             )
             out = os.popen(cmd)
             output = out.read()
@@ -752,12 +822,17 @@ try:
             else:
                 from mimetypes import MimeTypes
                 type, encoding = MimeTypes().guess_type(query)
-                type = type or 'text/plain'
-                Page(query).send_raw(mimetype=type)
+                #type = type or 'text/plain'
+                #Page(query).send_raw(mimetype=type)
+                if type:
+                    if type.startswith('image/'):
+                        Page(query).send_image(mimetype=type,args=form)
+                    else:
+                        Page(query).send_raw(mimetype=type)
+                else:
+                    Page(query).format()
         else:
-            print "Status: 404 Not Found"
-            send_title(None, msg_text='Can\'t work out query: ' + query)
-            send_footer(None)
+            send_httperror("403 Forbidden", query)
 except Exception:
     import traceback
     msg_text = traceback.format_exc()