;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: July 2003
;;;;
-;;;; $Id: uri.lisp,v 1.10 2003/08/10 17:56:44 kevin Exp $
+;;;; $Id: uri.lisp,v 1.11 2003/08/15 14:04:57 kevin Exp $
;;;;
;;;; This file and Wol are Copyright (c) 2003 by Kevin M. Rosenberg
;;;; *************************************************************************
(in-package #:wol)
-(defun req-recode-uri-sans-session-id (req)
- (let ((ppath (puri:uri-parsed-path (request-uri req))))
- (when (is-raw-session-id (second ppath))
- (let ((new-path (list* (car ppath) (cddr ppath))))
- (setf (uri-parsed-path (request-uri req)) new-path)
- (setf (uri-parsed-path (request-raw-uri req)) new-path))
- (setf (request-decoded-uri-path req)
- (uridecode-string (uri-path (request-raw-uri req))))
- (raw-session-id->session-id (second ppath)))))
-
-(defun request-cookies (req)
- (aif (aserve-request req)
- (net.aserve:get-cookie-values it)
- (loop for h in (request-headers 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))))
(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)))
- (compute-session req ent url-session-id)
+ (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)))
- (multiple-value-bind (page plists query)
- (decode-url (puri:uri-path (request-raw-uri req)))
+ (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 ent)))
+ (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) query))))
-
+ (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)))
+ (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))))
(if (null plist)
(concatenate 'string page ".html")
(concatenate 'string
- +asp-header+
(concatenate 'string +plist-header+
(plist-to-url-string url-plist)))))))
projects / wol.git / blobdiff