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[Emacs-diffs] Changes to emacs/lisp/url/url-ldap.el [emacs-unicode-2]
From: |
Miles Bader |
Subject: |
[Emacs-diffs] Changes to emacs/lisp/url/url-ldap.el [emacs-unicode-2] |
Date: |
Thu, 14 Oct 2004 05:14:15 -0400 |
Index: emacs/lisp/url/url-ldap.el
diff -c /dev/null emacs/lisp/url/url-ldap.el:1.4.2.1
*** /dev/null Thu Oct 14 08:51:00 2004
--- emacs/lisp/url/url-ldap.el Thu Oct 14 08:49:52 2004
***************
*** 0 ****
--- 1,240 ----
+ ;;; url-ldap.el --- LDAP Uniform Resource Locator retrieval code
+ ;; Copyright (c) 1998 - 1999, 2004 Free Software Foundation, Inc.
+
+ ;; Keywords: comm, data, processes
+
+ ;; This file is part of GNU Emacs.
+ ;;
+ ;; GNU Emacs is free software; you can redistribute it and/or modify
+ ;; it under the terms of the GNU General Public License as published by
+ ;; the Free Software Foundation; either version 2, or (at your option)
+ ;; any later version.
+ ;;
+ ;; GNU Emacs is distributed in the hope that it will be useful,
+ ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+ ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ ;; GNU General Public License for more details.
+ ;;
+ ;; You should have received a copy of the GNU General Public License
+ ;; along with GNU Emacs; see the file COPYING. If not, write to the
+ ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ ;; Boston, MA 02111-1307, USA.
+
+ ;;; Commentary:
+
+ ;;; Code:
+
+ (require 'url-vars)
+ (require 'url-parse)
+ (require 'url-util)
+ (require 'ldap)
+ (autoload 'tls-certificate-information "tls")
+
+ ;; This has been implemented from RFC2255 'The LDAP URL Format' (Dec 1997)
+ ;;
+ ;; basic format is: ldap://host:port/dn?attributes?scope?filter?extensions
+ ;;
+ ;; Test URLs:
+ ;;
ldap://ldap.itd.umich.edu/cn%3Dumbflabmanager%2C%20ou%3DUser%20Groups%2C%20ou%3DGroups%2C%20o%3DUniversity%20of%20Michigan%2C%20c%3DUS
+ ;; ldap://ldap.itd.umich.edu/o=University%20of%20Michigan,c=US
+ ;;
+ ;; For simple queries, I have verified compatibility with Netscape
+ ;; Communicator v4.5 under GNU/Linux.
+ ;;
+ ;; For anything _useful_ though, like specifying the attributes,
+ ;; scope, filter, or extensions, netscape claims the URL format is
+ ;; unrecognized. So I don't think it supports anything other than the
+ ;; defaults (scope=base,attributes=*,filter=(objectClass=*)
+
+ (defconst url-ldap-default-port 389 "Default LDAP port.")
+ (defalias 'url-ldap-expand-file-name 'url-default-expander)
+
+ (defvar url-ldap-pretty-names
+ '(("l" . "City")
+ ("objectclass" . "Object Class")
+ ("o" . "Organization")
+ ("ou" . "Organizational Unit")
+ ("cn" . "Name")
+ ("sn" . "Last Name")
+ ("givenname" . "First Name")
+ ("mail" . "Email")
+ ("title" . "Title")
+ ("c" . "Country")
+ ("postalcode" . "ZIP Code")
+ ("telephonenumber" . "Phone Number")
+ ("facsimiletelephonenumber" . "Fax")
+ ("postaladdress" . "Mailing Address")
+ ("description" . "Notes"))
+ "*An assoc list mapping LDAP attribute names to pretty descriptions of
them.")
+
+ (defvar url-ldap-attribute-formatters
+ '(("mail" . (lambda (x) (format "<a href='mailto:%s'>%s</a>" x x)))
+ ("owner" . url-ldap-dn-formatter)
+ ("creatorsname" . url-ldap-dn-formatter)
+ ("jpegphoto" . url-ldap-image-formatter)
+ ("usercertificate" . url-ldap-certificate-formatter)
+ ("modifiersname" . url-ldap-dn-formatter)
+ ("namingcontexts" . url-ldap-dn-formatter)
+ ("defaultnamingcontext" . url-ldap-dn-formatter)
+ ("member" . url-ldap-dn-formatter))
+ "*An assoc list mapping LDAP attribute names to pretty formatters for
them.")
+
+ (defsubst url-ldap-attribute-pretty-name (n)
+ (or (cdr-safe (assoc (downcase n) url-ldap-pretty-names)) n))
+
+ (defsubst url-ldap-attribute-pretty-desc (n v)
+ (if (string-match "^\\([^;]+\\);" n)
+ (setq n (match-string 1 n)))
+ (funcall (or (cdr-safe (assoc (downcase n) url-ldap-attribute-formatters))
'identity) v))
+
+ (defun url-ldap-dn-formatter (dn)
+ (concat "<a href='/"
+ (url-hexify-string dn)
+ "'>" dn "</a>"))
+
+ (defun url-ldap-certificate-formatter (data)
+ (condition-case ()
+ (require 'ssl)
+ (error nil))
+ (let ((vals (if (fboundp 'ssl-certificate-information)
+ (ssl-certificate-information data)
+ (tls-certificate-information data))))
+ (if (not vals)
+ "<b>Unable to parse certificate</b>"
+ (concat "<table border=0>\n"
+ (mapconcat
+ (lambda (ava)
+ (format "<tr><td>%s</td><td>%s</td></tr>\n" (car ava) (cdr
ava)))
+ vals "\n")
+ "</table>\n"))))
+
+ (defun url-ldap-image-formatter (data)
+ (format "<img alt='JPEG Photo' src='data:image/jpeg;base64,%s'>"
+ (url-hexify-string (base64-encode-string data))))
+
+ ;; FIXME: This needs sorting out for the Emacs LDAP functions, specifically
+ ;; calls of ldap-open, ldap-close, ldap-search-internal
+ ;;;###autoload
+ (defun url-ldap (url)
+ (save-excursion
+ (set-buffer (generate-new-buffer " *url-ldap*"))
+ (setq url-current-object url)
+ (insert "Content-type: text/html\r\n\r\n")
+ (if (not (fboundp 'ldap-search-internal))
+ (insert "<html>\n"
+ " <head>\n"
+ " <title>LDAP Not Supported</title>\n"
+ " <base href='" (url-recreate-url url) "'>\n"
+ " </head>\n"
+ " <body>\n"
+ " <h1>LDAP Not Supported</h1>\n"
+ " <p>\n"
+ " This version of Emacs does not support LDAP.\n"
+ " </p>\n"
+ " </body>\n"
+ "</html>\n")
+ (let* ((binddn nil)
+ (data (url-filename url))
+ (host (url-host url))
+ (port (url-port url))
+ (base-object nil)
+ (attributes nil)
+ (scope nil)
+ (filter nil)
+ (extensions nil)
+ (connection nil)
+ (results nil)
+ (extract-dn (and (fboundp 'function-max-args)
+ (= (function-max-args 'ldap-search-internal) 7))))
+
+ ;; Get rid of leading /
+ (if (string-match "^/" data)
+ (setq data (substring data 1)))
+
+ (setq data (mapcar (lambda (x) (if (/= (length x) 0) x nil))
(split-string data "\\?"))
+ base-object (nth 0 data)
+ attributes (nth 1 data)
+ scope (nth 2 data)
+ filter (nth 3 data)
+ extensions (nth 4 data))
+
+ ;; fill in the defaults
+ (setq base-object (url-unhex-string (or base-object ""))
+ scope (intern (url-unhex-string (or scope "base")))
+ filter (url-unhex-string (or filter "(objectClass=*)")))
+
+ (if (not (memq scope '(base one tree)))
+ (error "Malformed LDAP URL: Unknown scope: %S" scope))
+
+ ;; Convert to the internal LDAP support scoping names.
+ (setq scope (cdr (assq scope '((base . base) (one . onelevel) (sub .
subtree)))))
+
+ (if attributes
+ (setq attributes (mapcar 'url-unhex-string (split-string attributes
","))))
+
+ ;; Parse out the exentions
+ (if extensions
+ (setq extensions (mapcar (lambda (ext)
+ (if (string-match "\\([^=]*\\)=\\(.*\\)"
ext)
+ (cons (match-string 1 ext)
(match-string 2 ext))
+ (cons ext ext)))
+ (split-string extensions ","))
+ extensions (mapcar (lambda (ext)
+ (cons (url-unhex-string (car ext))
+ (url-unhex-string (cdr ext))))
+ extensions)))
+
+ (setq binddn (cdr-safe (or (assoc "bindname" extensions)
+ (assoc "!bindname" extensions))))
+
+ ;; Now, let's actually do something with it.
+ (setq connection (ldap-open host (if binddn (list 'binddn binddn)))
+ results (if extract-dn
+ (ldap-search-internal connection filter base-object
scope attributes nil t)
+ (ldap-search-internal connection filter base-object
scope attributes nil)))
+
+ (ldap-close connection)
+ (insert "<html>\n"
+ " <head>\n"
+ " <title>LDAP Search Results</title>\n"
+ " <base href='" (url-recreate-url url) "'>\n"
+ " </head>\n"
+ " <body>\n"
+ " <h1>" (int-to-string (length results)) " matches</h1>\n")
+
+ (mapc (lambda (obj)
+ (insert " <hr>\n"
+ " <table border=1>\n")
+ (if extract-dn
+ (insert " <tr><th colspan=2>" (car obj) "</th></tr>\n"))
+ (mapc (lambda (attr)
+ (if (= (length (cdr attr)) 1)
+ ;; single match, easy
+ (insert " <tr><td>"
+ (url-ldap-attribute-pretty-name (car attr))
+ "</td><td>"
+ (url-ldap-attribute-pretty-desc (car attr)
(car (cdr attr)))
+ "</td></tr>\n")
+ ;; Multiple matches, slightly uglier
+ (insert " <tr>\n"
+ (format " <td valign=top>")
+ (url-ldap-attribute-pretty-name (car attr))
"</td><td>"
+ (mapconcat (lambda (x)
+ (url-ldap-attribute-pretty-desc
(car attr) x))
+ (cdr attr)
+ "<br>\n")
+ "</td>"
+ " </tr>\n")))
+ (if extract-dn (cdr obj) obj))
+ (insert " </table>\n"))
+ results)
+
+ (insert " <hr>\n"
+ " </body>\n"
+ "</html>\n")))
+ (current-buffer)))
+
+ (provide 'url-ldap)
+
+ ;; arch-tag: 6230e21c-41ae-4174-bd83-82c835676fc8
+ ;;; url-ldap.el ends here
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