1 (in-package :empire-web)
3 (declaim (optimize (space 0) (speed 0) (safety 3) (debug 3)))
6 (defvar *this-file* (load-time-value
7 (or #.*compile-file-pathname* *load-pathname*)))
9 (defvar *this-dir* (make-pathname :host (pathname-host *this-file*)
10 :device (pathname-device *this-file*)
11 :directory (pathname-directory *this-file*)))
13 (defparameter +templates-root+ (namestring *this-dir*))
14 (defparameter +root-url+ "/eow/static/test.html")
15 (defparameter +web-root-base+ "/eow")
16 (defparameter +web-root+ (concatenate 'string +web-root-base+ "/"))
17 (defparameter +static-web-root+ (concatenate 'string +web-root+ "static/"))
18 (defparameter +static-files-root+ (concatenate 'string +templates-root+ "static/"))
19 (defparameter +login-page+ (concatenate 'string +static-web-root+ "login.html"))
21 (defun string-starts-with (string prefix)
23 (let ((mismatch (mismatch string prefix :test #'char=)))
25 (>= mismatch (length prefix)))))
27 (defun serve-static ()
28 "Handle a request for a file under static/ directory"
29 (let* ((script-name (script-name))
30 (fname (subseq script-name (length +static-web-root+)))
31 (fullname (concatenate 'string +static-files-root+ fname)))
32 (handle-static-file fullname)))
34 (defvar *update-queue* (locked-queue:create))
37 "Send stream of updates to client"
38 (locked-queue:dequeue *update-queue*))
41 "Push a javascript update fragment to the client."
42 (locked-queue:enqueue *update-queue* string))
44 (defun prompt (minutes btus)
45 (send (format nil "prompt(~a,~a);~%" minutes btus)))
48 (send (parenscript:ps* `(msg ,message))))
51 (let ((connection (session-value 'connection)))
54 (redirect +login-page+))))
56 ;; destination of login-form
57 (defun login-action ()
58 (let ((connection (empire:connect :user (post-parameter "username")
59 :password (post-parameter "password"))))
60 (setf (session-value 'connection) connection)
61 (redirect +root-url+)))
63 (defun command-action ()
64 (let ((connection (session-value 'connection)))
65 (empire:send-message connection (get-parameter "q"))))
67 (defun dispatch (request)
68 (let ((script-name (script-name request)))
70 ((not (string-starts-with script-name +web-root+)) nil) ; do not handle this request
71 ((string= script-name "/eow/update") 'update)
72 ((string= script-name "/eow/login") 'login-action)
73 ((string= script-name "/eow/command") 'command-action)
74 ((or (string-equal script-name +web-root-base+)
75 (string-equal script-name +web-root+)) 'login) ; go to the start page
76 ((string-starts-with script-name +static-web-root+) 'serve-static)))) ; serve static file
80 (pushnew 'dispatch *dispatch-table* :test #'eq))