# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1384208454 -3600
# Node ID 937f948a2e66665808b5158b1a79fde1afacf905
# Parent  85a7405dccb57a00029e1d4da00e4bc8b8e7dd29
Added a special MoinMoin parser for application/pgp-keys content, showing a list
of keys encoded by such content and reporting various attributes of those keys.

diff -r 85a7405dccb5 -r 937f948a2e66 css/moinshare.css
--- a/css/moinshare.css	Wed Nov 06 14:45:40 2013 +0100
+++ b/css/moinshare.css	Mon Nov 11 23:20:54 2013 +0100
@@ -57,3 +57,9 @@
 div.moinshare-alternative.moinshare-other:target {
     display: block;
 }
+
+/* PGP key information. */
+
+table.moinshare-pgp-keys {
+    border: 1px solid black;
+}
diff -r 85a7405dccb5 -r 937f948a2e66 parsers/pgp_keys.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parsers/pgp_keys.py	Mon Nov 11 23:20:54 2013 +0100
@@ -0,0 +1,117 @@
+# -*- coding: iso-8859-1 -*-
+"""
+    MoinMoin - pgp_keys (MoinShare)
+
+    @copyright: 2012, 2013 by Paul Boddie <paul@boddie.org.uk>
+    @license: GNU GPL (v2 or later), see COPYING.txt for details.
+"""
+
+from MoinMessage import GPG, MoinMessageError
+from MoinMessageSupport import get_homedir
+from MoinSupport import parseAttributes, escattr
+
+Dependencies = ["pages"]
+
+# Parser support.
+
+class Parser:
+
+    "Display data in application/pgp-keys format."
+
+    Dependencies = Dependencies
+    extensions = []
+
+    # Input content types understood by this parser.
+
+    input_mimetypes = ["application/pgp-keys"]
+
+    # Output content types preferred by this parser.
+
+    output_mimetypes = ["text/html"]
+
+    def __init__(self, raw, request, **kw):
+
+        """
+        Initialise the parser with the given 'raw' data, 'request' and any
+        keyword arguments that may have been supplied.
+        """
+
+        self.raw = raw
+        self.request = request
+        self.attrs = parseAttributes(kw.get("format_args", ""), False)
+
+    def format(self, fmt, write=None):
+
+        """
+        Format a table using the given formatter 'fmt'. If the 'write' parameter
+        is specified, use it to write output; otherwise, write output using the
+        request.
+        """
+
+        (write or self.request.write)(fmt.text(self.raw))
+
+    # Extra API methods.
+
+    def formatForOutputType(self, mimetype, write=None):
+
+        """
+        Format a table for the given 'mimetype'. If the 'write' parameter is
+        specified, use it to write output; otherwise, write output using the
+        request.
+        """
+
+        request = self.request
+        write = write or request.write
+        fmt = request.html_formatter
+        _ = request.getText
+
+        if not mimetype == "text/html":
+            return
+
+        homedir = get_homedir(request)
+        if not homedir:
+            return
+
+        gpg = GPG(homedir)
+
+        write(fmt.text(_("This message contains one or more keys.")))
+
+        write(fmt.rawHTML('<table class="moinshare-pgp-keys" summary="%s">' % escattr(_("A table of keys"))))
+        write(fmt.rawHTML("<thead>"))
+        write(fmt.table_row(on=1))
+        write(fmt.rawHTML("<th>")); write(fmt.text(_("Known"))); write(fmt.rawHTML("</th>"))
+        write(fmt.rawHTML("<th>")); write(fmt.text(_("Identity"))); write(fmt.rawHTML("</th>"))
+        write(fmt.rawHTML("<th>")); write(fmt.text(_("Fingerprint"))); write(fmt.rawHTML("</th>"))
+        write(fmt.table_row(on=0))
+        write(fmt.rawHTML("</thead>"))
+
+        write(fmt.rawHTML("<tbody>"))
+
+        for key in gpg.getKeysFromString(self.raw):
+            write(fmt.table_row(on=1))
+            write(fmt.table_cell(on=1))
+            try:
+                gpg.listKeys(key["keyid"])
+                write(fmt.icon("(./)"))
+                write(fmt.text(_("Known")))
+            except MoinMessageError:
+                pass
+            write(fmt.table_cell(on=0))
+            write(fmt.table_cell(on=1))
+            write(fmt.text(key["userid"]))
+            write(fmt.table_cell(on=0))
+            write(fmt.table_cell(on=1))
+            write(fmt.text(key["fingerprint"]))
+            write(fmt.table_cell(on=0))
+            write(fmt.table_row(on=0))
+
+        write(fmt.rawHTML("</tbody></table>"))
+
+    # Class methods.
+
+    def getOutputTypes(self):
+        return self.output_mimetypes
+
+    getOutputTypes = classmethod(getOutputTypes)
+
+# vim: tabstop=4 expandtab shiftwidth=4