-;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10; Package: wol -*-
+;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10; Package: wol -*-
;;;; *************************************************************************
;;;; FILE IDENTIFICATION
;;;;
;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: July 2003
;;;;
-;;;; $Id: uri.lisp,v 1.5 2003/08/08 09:03:45 kevin Exp $
+;;;; $Id$
;;;;
;;;; This file and Wol are Copyright (c) 2003 by Kevin M. Rosenberg
;;;; *************************************************************************
(in-package #:wol)
-
-(defun request-decompile-uri (req ent)
- "returns (VALUE PAGE PLIST QUERY-ALIST)"
- (multiple-value-bind (page plists query)
- (decode-url (puri:uri-path (request-raw-uri req)))
- (when page
- (setf (request-page req) (base-page-name page ent)))
- (when plists
- (setf (request-plist req) (car plists))
- (setf (request-next-plists req) (cdr plists))
- (when (null page)
- (awhen (getf (request-plist req) :page)
- (setf (request-page req) it))))
- (setf (request-uri-query req) query))
- req)
+(defun path->session-id (path ent)
+ "Returns session-id,remainder-path"
+ (let ((prefix (project-prefix (entity-project ent))))
+ (when (and (> (length path) (length prefix))
+ (string= prefix (subseq path 0 (length prefix))))
+ (let ((sans-prefix (subseq path (length prefix))))
+ (when (char= #\~ (schar sans-prefix 0))
+ (let* ((len (length sans-prefix))
+ (next-tilde (position-char #\~ sans-prefix 1 len))
+ (next-slash (position-char #\/ sans-prefix 1 len)))
+ (when (and next-tilde next-slash
+ (< next-tilde next-slash))
+ (values
+ (subseq sans-prefix 0 (1+ next-tilde))
+ (subseq sans-prefix (1+ next-tilde))))))))))
+
+
+(defun req-recode-uri-sans-session-id (req ent)
+ (multiple-value-bind (raw-session-id remainder)
+ (path->session-id (request-decoded-uri-path req) ent)
+ (when raw-session-id
+ (let ((new-path (concatenate 'string (project-prefix
+ (entity-project ent))
+ (subseq remainder 1))))
+ (setf (uri-path (request-uri req)) new-path)
+ (setf (uri-path (request-raw-uri req)) new-path)
+ (setf (request-decoded-uri-path req) new-path))
+ (raw-session-id->session-id raw-session-id))))
+
+ (defun request-cookies (req)
+ (aif (aserve-request req)
+ (net.aserve:get-cookie-values it)
+ (loop for h in (request-headers req)
+ when (eq :cookie (car h))
+ collect (cdr h))))
+
+(defun header-lines-matching (key headers)
+ (loop for hdr in headers
+ when (eq key (car hdr))
+ collect (cdr hdr)))
+
+(defun set-cookies-in-headers (headers)
+ (header-lines-matching :set-cookie headers))
+
+(defun cookies-in-headers (headers)
+ (header-lines-matching :cookie headers))
+
+(defun cookie-session-key (ent cookies)
+ "Return the session key from the alist of cookies"
+ (let ((name (project-name (entity-project ent))))
+ (cdr (assoc name cookies :test #'string-equal))))
+
+(defun entity-project-prefix-string (ent)
+ (let ((prefix (project-prefix (entity-project ent))))
+ (if (= 1 (length prefix))
+ ""
+ (subseq prefix 1 (1- (length prefix))))))
+
+(defun compute-uris (req ent)
+ "Compute URI's of a request"
+ (let* ((url-session-id (req-recode-uri-sans-session-id req ent))
+ (uri (request-raw-uri req))
+ (ppath (puri:uri-parsed-path uri))
+ (prefix-string (entity-project-prefix-string ent)))
+
+ (assert (eq (first ppath) :absolute))
+
+ (cond
+ ((zerop (length prefix-string))
+ ;; strip :absolute
+ (setq ppath (cdr ppath)))
+ ((string-equal (second ppath) (entity-project-prefix-string ent))
+ (setq ppath (cddr ppath)))
+ (t
+ (warn "Non-prefix path ~S" ppath)
+ (return-from compute-uris nil)))
+
+ (compute-session req ent url-session-id)
+ (multiple-value-bind (page plists) (decode-url ppath)
+ (when page
+ (setf (request-page req) (base-page-name page)))
+ (when plists
+ (setf (request-url-plist req) (car plists))
+ (setf (request-url-next-plists req) (cdr plists))
+ (when (null page)
+ (awhen (getf (request-url-plist req) :page)
+ (setf (request-page req) it))))
+ (setf (request-uri-query req) (puri:uri-query uri)))))
;;; URI Functions
-(defun base-page-name (page ent)
+(defun base-page-name (page)
"Return the base page name for a html url"
- (let ((len-prefix (length (project-prefix (entity-project ent)))))
- (assert (>= (length page) len-prefix))
- (string-strip-ending (subseq page len-prefix)
- '(".html" ".lsp"))))
+ (string-strip-ending page '(".html" ".lsp")))
(defun split-plist-url (url)
(string-delimited-string-to-list url +plist-header+))
-(defun decode-url (url)
+(defun is-plist-header (str)
+ (string= +plist-header+ (subseq str 0 +plist-header-length+)))
+
+(defun decode-url (ppath)
"Decode raw url. Returns (values `<pagename>.html' list-of-plists query)"
+ (when (is-raw-session-id (car ppath))
+ (setq ppath (cdr ppath)))
(let* ((plists '())
- (qsplit (delimited-string-to-list url #\?))
- (query (cadr qsplit))
- (split (split-plist-url (car qsplit)))
- (page-name
- (when (and (plusp (length (car split)))
- (not (string= +full-asp-header+ (car split)))
- (not (string-starts-with +full-asp-header+ (car split))))
- (car split))))
- (dolist (elem (cdr split))
- (push (url-string-to-plist elem) plists))
- (values page-name (nreverse plists) query)))
-
-
-
-#+ignore
-(defun make-html-url (page ent &optional query-args)
- (make-url (concatenate 'string page ".html")
- :base-dir (project-prefix
- (entity-project ent))
- :vars query-args :format :xhtml))
-
-
-(defun make-wol-url (page ent &optional plist)
- (let ((url-plist (append (list :page page) plist))
- (prefix (project-prefix (entity-project ent))))
- (if (null plist)
- (concatenate 'string prefix page ".lsp")
- (concatenate 'string
- prefix
- +asp-header+
- (concatenate 'string +plist-header+
- (plist-to-url-string url-plist))))))
+ (page-name (unless (is-plist-header (car ppath))
+ (prog1
+ (car ppath)
+ (setq ppath (cdr ppath))))))
+ (dolist (elem ppath)
+ (if (is-plist-header elem)
+ (push (url-string-to-plist (subseq elem +plist-header-length+))
+ plists)
+ (warn "Non plist header found in url ~S" elem)))
+ (values page-name (nreverse plists))))
+
+
+
+(defun make-wol-url (page req ent &optional plist)
+ (let ((session (websession-from-req req))
+ (url-plist (append (list :page page) plist))
+ (prefix (project-prefix (entity-project ent))))
+ (concatenate 'string
+ prefix
+ (if (and session
+ (websession-key session)
+ (not (eq :cookies (websession-method session))))
+ (format nil "~~~A~~/" (websession-key session))
+ "")
+ (if (null plist)
+ (concatenate 'string page ".html")
+ (concatenate 'string
+ (concatenate 'string +plist-header+
+ (plist-to-url-string url-plist)))))))
;; Property lists
(defun plist-to-url-string (plist &key (base64 t))
(let ((str (plist-to-compressed-string plist)))
(if base64
- (string-to-base64-string str :uri t)
- (escape-uri-field str))))
+ (string-to-base64-string str :uri t)
+ (encode-uri-string str))))
(defun url-string-to-plist (str &key (base64 t))
(let ((decode (if base64
- (base64-string-to-string str :uri t)
- (unescape-uri-field str))))
+ (base64-string-to-string str :uri t)
+ (decode-uri-string str))))
(when decode
(ignore-errors (compressed-string-to-plist decode)))))
"Decode an encoded plist"
(assert (evenp (length plist)))
(do* ((output '())
- (list plist (cddr list)))
- ((null list)
- (prin1-to-string (nreverse output)))
+ (list plist (cddr list)))
+ ((null list)
+ (prin1-to-string (nreverse output)))
(push (compress-elem (car list)) output)
(push (cadr list) output)))
+
(defun compress-elem (elem)
"Encode a plist elem"
(case elem
(:logged :g)
(:caller :c)
(:db :d)
-
+
;; For lookup-func1
(:func :f)
(:format :r)
(:labels :a)
(:subobjects :b)
(:english-only :e)
-
+
(:xml :x)
(:next-page :n)
-
+
(otherwise elem)))
(defun compressed-string-to-plist (encoded-str)
(let ((encoded (ignore-errors (read-from-string encoded-str)))
- (output '()))
+ (output '()))
(unless encoded
(cmsg "invalid encoded string")
#+ignore
nil)
(assert (evenp (length encoded)))
(do* ((elist encoded (cddr elist)))
- ((null elist) (nreverse output))
+ ((null elist) (nreverse output))
(push (decompress-elem (car elist)) output)
(push (cadr elist) output))))
(defun decompress-elem (elem)
- (case elem
- (:N :next-page)
- (:T :posted)
- (:O :object-id)
- (:S :session-id)
- (:L :lang)
- (:G :logged)
- (:C :caller)
- (:D :db)
-
- ;; For posting to lookup-func1
- (:F :func)
- (:K :key)
- (:B :subobjects)
- (:A :labels)
- (:E :english-only)
- (:R :format)
-
- (:X :xml)
- (:P :page)
+ (if (> (length (symbol-name elem)) 1)
+ elem
+ (case (char-upcase (schar (symbol-name elem ) 0))
+ (#\N :next-page)
+ (#\T :posted)
+ (#\O :object-id)
+ (#\S :session-id)
+ (#\L :lang)
+ (#\G :logged)
+ (#\C :caller)
+ (#\D :db)
+
+ ;; For posting to lookup-func1
+ (#\F :func)
+ (#\K :key)
+ (#\B :subobjects)
+ (#\A :labels)
+ (#\E :english-only)
+ (#\R :format)
+
+ (#\X :xml)
+ (#\P :page)
+
+ (otherwise elem))))
+
+
+
+
+
- (otherwise elem)))
-
projects / wol.git / blobdiff