WebGate

Check-in [c29262e9f4]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Protobuf and suspension based serialization of continuations, request parameter utilities, reader extension loader
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: c29262e9f45d79cb0b1420777e929ffccd5c6b50
User & Date: murphy 2013-05-30 17:00:20
Context
2013-05-30
17:43
Improved encryption context cleanup code check-in: 63a4f6f079 user: murphy tags: trunk
17:00
Protobuf and suspension based serialization of continuations, request parameter utilities, reader extension loader check-in: c29262e9f4 user: murphy tags: trunk
2011-10-11
18:02
added release information check-in: fe963ce8a9 user: murphy tags: trunk, v1.0.0
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Added at-expr.scm.

























































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
;; -*- mode: Scheme; -*-
;;
;; This file is part of WebGate for CHICKEN.
;; Copyright (c) 2011-2013 by Thomas Chust.  All rights reserved.
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the Software), to deal in the Software without restriction,
;; including without limitation the rights to use, copy, modify,
;; merge, publish, distribute, sublicense, and/or sell copies of the
;; Software, and to permit persons to whom the Software is furnished
;; to do so, subject to the following conditions:
;; 
;; The above copyright notice and this permission notice shall be
;; included in all copies or substantial portions of the Software.
;; 
;; THE SOFTWARE IS PROVIDED ASIS, WITHOUT WARRANTY OF ANY KIND,
;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
;; BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
;; ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
;; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;; SOFTWARE.

(require-library webgate)
(import (only webgate-utils use-at-read-table))
(use-at-read-table #:list-arguments? #t)

Changes to example.scm.

1
2
3
4
5
6
7
8
9
10
11
..
19
20
21
22
23
24
25
26
27
28

29
30
31
32
33
34
35
36
37
38

39
40
41
42

43






44
45
46
47
48
49
50
51
52
53
54
55

56
57
58

59
60
61
62
63
64
65
...
103
104
105
106
107
108
109
110

111
112
113
114
115
116
117
118
119
120
121
122
123
...
208
209
210
211
212
213
214
215
216

217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235

236
237
238

239
240
241
242
243
244
245
...
291
292
293
294
295
296
297

298
299
300
301
302
303
;; -*- mode: Scheme; -*-
;;
;; This file is part of WebGate for CHICKEN.
;; Copyright (c) 2011 by Thomas Chust.  All rights reserved.
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the Software), to deal in the Software without restriction,
;; including without limitation the rights to use, copy, modify,
;; merge, publish, distribute, sublicense, and/or sell copies of the
;; Software, and to permit persons to whom the Software is furnished
................................................................................
;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
;; BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
;; ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
;; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;; SOFTWARE.

(eval-when (compile eval load)
  (require-library webgate))


(eval-when (compile eval)
  (import (only webgate-utils use-at-read-table))
  (use-at-read-table #:list-arguments? #t))

(import
 webgate (only webgate-utils uri-encode))

(define common-head
  '@head{
     @meta[(charset "utf-8")]

     @title{WebGate}
     @meta[(name "description") (content "CHICKEN WebGate example")]
     @meta[(name "author") (content "Thomas Chust")]
     @link[(rel "stylesheet") (href "http://twitter.github.com/bootstrap/1.3.0/bootstrap.min.css")]

     @style[(type "text/css")]{body{padding-top:60px}}






   })

(define-resource (root parameters)
  (make-html-response
   200
   `@html{
      @,common-head
      @body{
        @div[(class "topbar")]{
          @div[(class "fill")]{
	    @div[(class "container")]{
	      @a[(class "brand") (href "#")]{WebGate}

	      @ul[(class "nav")]{
	        @li[(class "active")]{@a[(href "#")]{Miscellaneous}}
	        @li{@a[(href ,(resource-uri calc "add"))]{Suspensions}}

	      }
	    }
	  }
        }
        @div[(class "container")]{
          @div[(class "hero-unit")]{
	    @h1{Application Example}
................................................................................
			     (ol
			      ,@(map
				 (lambda (msg)
				   `(li
				     (p
				      ,(let ((type (message-type msg)))
					 (cond
					  ((string-prefix? "text/plain" type)

					   `(span
					     (span
					      ((class "label notice"))
					      "Text Content:")
					     " "
					     ,(message-body msg)))
					  ((string-prefix? "image/" type)
					   `(span
					     (span
					      ((class "label notice"))
					      "Image Content:")
					     " "
					     (img
................................................................................
		    @input[(type "reset") (class "btn")
			   (value "Reset")]
		  }
		}
	      }
	    }
	  }
	  @footer{@copy 2011 by Thomas Chust}
	}

      }
    }))

(define (numeric-parameter parameters key)
  (cond
   ((hash-table-ref/default parameters key #f)
    => (lambda (msgs)
	 (and (not (null? msgs))
	      (string->number (message-body (car msgs))))))
   (else
    #f)))

(define-resource (calc "calc" op parameters)
  (if (string=? op "add")
      (let* ((common-topbar
	      `@div[(class "topbar")]{
		 @div[(class "fill")]{
		   @div[(class "container")]{
		     @a[(class "brand") (href "#")]{WebGate}

		     @ul[(class "nav")]{
		       @li{@a[(href ,(resource-uri root))]{Miscellaneous}}
		       @li[(class "active")]{@a[(href "#")]{Suspensions}}

		     }
		   }
		 }
	       })
	     (parameters
	      (send/suspend
	       (lambda (resume-uri)
................................................................................
	      @,common-topbar
	      @div[(class "container")]{
	        @div[(class "hero-unit")]{
		  @h1{@,(number->string (+ a b))}
		  @p{@hellip is the answer}
		}
	      }

	    }
	  }))
      (make-error-response
       400 "Don't know how to perform the requested calculation.")))

(webgate-main)



|







 







|


>
|









>



|
>
|
>
>
>
>
>
>








|
|


>
|
|
|
>







 







|
>
|
|
|
|
|
<







 







|

>



|
|
|
|
|
|
|
<




|
|


>
|
|
|
>







 







>






1
2
3
4
5
6
7
8
9
10
11
..
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
...
114
115
116
117
118
119
120
121
122
123
124
125
126
127

128
129
130
131
132
133
134
...
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238

239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
...
304
305
306
307
308
309
310
311
312
313
314
315
316
317
;; -*- mode: Scheme; -*-
;;
;; This file is part of WebGate for CHICKEN.
;; Copyright (c) 2011-2013 by Thomas Chust.  All rights reserved.
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the Software), to deal in the Software without restriction,
;; including without limitation the rights to use, copy, modify,
;; merge, publish, distribute, sublicense, and/or sell copies of the
;; Software, and to permit persons to whom the Software is furnished
................................................................................
;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
;; BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
;; ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
;; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;; SOFTWARE.

(eval-when (eval load)
  (require-library webgate))

;; Use -extend at-expr during compilation!
(eval-when (eval)
  (import (only webgate-utils use-at-read-table))
  (use-at-read-table #:list-arguments? #t))

(import
 webgate (only webgate-utils uri-encode))

(define common-head
  '@head{
     @meta[(charset "utf-8")]
     @meta[(name "viewport") (content "width=device-width, initial-scale=1.0")]
     @title{WebGate}
     @meta[(name "description") (content "CHICKEN WebGate example")]
     @meta[(name "author") (content "Thomas Chust")]
     @link[(rel "stylesheet") (href "/css/bootstrap.min.css")]
     @link[(rel "stylesheet") (href "/css/bootstrap-responsive.min.css")]
     @style[(type "text/css")]{body{padding-top:60px; padding-bottom:40px}}
   })

(define common-foot
  '@{
    @script[(src "/js/jquery.min.js")]
    @script[(src "/js/bootstrap.min.js")]
   })

(define-resource (root parameters)
  (make-html-response
   200
   `@html{
      @,common-head
      @body{
        @div[(class "navbar navbar-inverse navbar-fixed-top")]{
          @div[(class "navbar-inner")]{
	    @div[(class "container")]{
	      @a[(class "brand") (href "#")]{WebGate}
	      @div[(class "nav-collapse collapse")]{
	        @ul[(class "nav")]{
	          @li[(class "active")]{@a[(href "#")]{Miscellaneous}}
	          @li{@a[(href ,(resource-uri calc "add"))]{Suspensions}}
	        }
	      }
	    }
	  }
        }
        @div[(class "container")]{
          @div[(class "hero-unit")]{
	    @h1{Application Example}
................................................................................
			     (ol
			      ,@(map
				 (lambda (msg)
				   `(li
				     (p
				      ,(let ((type (message-type msg)))
					 (cond
					  ((message-text msg)
					   => (lambda (txt)
						`(span
						  (span
						   ((class "label notice"))
						   "Text Content:")
						  " " ,txt)))

					  ((string-prefix? "image/" type)
					   `(span
					     (span
					      ((class "label notice"))
					      "Image Content:")
					     " "
					     (img
................................................................................
		    @input[(type "reset") (class "btn")
			   (value "Reset")]
		  }
		}
	      }
	    }
	  }
	  @footer{@copy 2011-2013 by Thomas Chust}
	}
	@,@common-foot
      }
    }))

(define numeric-parameter
  (cute
   parameter-ref <> <>
   (lambda (v)
     (cond
      ((message-text v) => string->number)
      (else #f)))))


(define-resource (calc "calc" op parameters)
  (if (string=? op "add")
      (let* ((common-topbar
	      `@div[(class "navbar navbar-inverse navbar-fixed-top")]{
		 @div[(class "navbar-inner")]{
		   @div[(class "container")]{
		     @a[(class "brand") (href "#")]{WebGate}
		     @div[(class "nav-collapse collapse")]{
		       @ul[(class "nav")]{
		         @li{@a[(href ,(resource-uri root))]{Miscellaneous}}
		         @li[(class "active")]{@a[(href "#")]{Suspensions}}
		       }
		     }
		   }
		 }
	       })
	     (parameters
	      (send/suspend
	       (lambda (resume-uri)
................................................................................
	      @,common-topbar
	      @div[(class "container")]{
	        @div[(class "hero-unit")]{
		  @h1{@,(number->string (+ a b))}
		  @p{@hellip is the answer}
		}
	      }
	      @,@common-foot
	    }
	  }))
      (make-error-response
       400 "Don't know how to perform the requested calculation.")))

(webgate-main)

Added suspension.scm.































































































































































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
;; -*- mode: Scheme; -*-
;;
;; This file is distributed with WebGate for CHICKEN.
;; Copyright (c) 2006-2010 by Felix L. Winkelmann.  All rights reserved.
;;
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions
;; are met:
;;
;; 1. Redistributions of source code must retain the above copyright
;;    notice, this list of conditions and the following disclaimer.
;;
;; 2. Redistributions in binary form must reproduce the above
;;    copyright notice, this list of conditions and the following
;;    disclaimer in the documentation and/or other materials provided
;;    with the distribution.
;;
;; 3. The name of the authors may not be used to endorse or promote
;;    products derived from this software without specific prior
;;    written permission.
;; 
;; THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
;; OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
;; ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
;; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
;; GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
;; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
;; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

(declare (disable-interrupts))

(define error-output ##sys#standard-error)
(define standard-output ##sys#standard-output)
(define standard-input ##sys#standard-input)

(define (exception-handler ex)
  (thread-signal! (thread-specific ##sys#current-thread) ex)
  (continuation-drop #f) )

(define (with-limited-continuation thunk)
  (let* ((t (make-thread 
	     (lambda ()
	       (##sys#call-with-cthulhu
		(lambda () 
		  (##sys#call-with-values thunk continuation-drop) ) ) ) ) )
	 (state (##sys#slot t 5)) )
    (##sys#setislot state 0 '())
    (##sys#setslot state 1 standard-input)
    (##sys#setslot state 2 standard-output)
    (##sys#setslot state 3 error-output) 
    (##sys#setslot state 4 exception-handler)
    (thread-specific-set! t ##sys#current-thread)
    (thread-start! t)
    (thread-suspend! ##sys#current-thread)
    (##sys#setslot (##sys#slot t 5) 5 (##sys#slot state 5))
    (##sys#apply-values (##sys#slot t 2)) ) )

(define (continuation-drop . results)
  (##sys#setslot ##sys#current-thread 2 results)
  (thread-resume! (thread-specific ##sys#current-thread))
  (##sys#thread-kill! ##sys#current-thread 'dead) 
  (##sys#schedule) )

(define (continuation-suspend store)
  (##sys#apply-values
   (##sys#call-with-direct-continuation
    (lambda (k)
      (let ((o (open-output-string)))
	(serialize k o)
	(##sys#call-with-values 
	 (lambda () (store (get-output-string o)))
	 continuation-drop) ) ) ) ) )

(define (continuation-resume k . results)
  (##sys#direct-return (with-input-from-string k deserialize) results) )

Changes to webgate-cgi.scm.

1
2
3
4
5
6
7
8
9
10
11
;; -*- mode: Scheme; -*-
;;
;; This file is part of WebGate for CHICKEN.
;; Copyright (c) 2011 by Thomas Chust.  All rights reserved.
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the Software), to deal in the Software without restriction,
;; including without limitation the rights to use, copy, modify,
;; merge, publish, distribute, sublicense, and/or sell copies of the
;; Software, and to permit persons to whom the Software is furnished



|







1
2
3
4
5
6
7
8
9
10
11
;; -*- mode: Scheme; -*-
;;
;; This file is part of WebGate for CHICKEN.
;; Copyright (c) 2011-2013 by Thomas Chust.  All rights reserved.
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the Software), to deal in the Software without restriction,
;; including without limitation the rights to use, copy, modify,
;; merge, publish, distribute, sublicense, and/or sell copies of the
;; Software, and to permit persons to whom the Software is furnished

Changes to webgate-core.scm.

1
2
3
4
5
6
7
8
9
10
11
..
31
32
33
34
35
36
37






38
39
40
41
42
43
44
..
80
81
82
83
84
85
86








87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
...
253
254
255
256
257
258
259



260
261
262
263
264
265

266
267
268
269
270
271
272
273
274
275

276
277
278
279

280
281
282
283
284
285
286
287
288
289
290
...
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459

460
461
462
463
464
465
466
467
;; -*- mode: Scheme; -*-
;;
;; This file is part of WebGate for CHICKEN.
;; Copyright (c) 2011 by Thomas Chust.  All rights reserved.
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the Software), to deal in the Software without restriction,
;; including without limitation the rights to use, copy, modify,
;; merge, publish, distribute, sublicense, and/or sell copies of the
;; Software, and to permit persons to whom the Software is furnished
................................................................................
  body)

(define (make-message
	 body #!key
	 (type "application/octet-stream") (headers '()))
  (%make-message type headers body))







(define (write-message msg #!optional (port (current-output-port)))
  (let ((type (message-type msg))
	(body (message-body msg)))
    (when type
      (fprintf port "Content-type: ~a\r\n" type))
    (when body
      (fprintf port "Content-length: ~a\r\n" (string-length body)))
................................................................................
	   (hash-table-update!/default
	    parameters key (cut append! <> (list msg)) '()))))
    (case-lambda
     (()
      handler)
     ((proc)
      (set! handler proc)))))









;;; Response processing infrastructure

(define-record-type resource-context
  %make-resource-context #t
  getenv return)

(define (current-resource-context)
  (let ((ctx (thread-specific (current-thread))))
    (and (resource-context? ctx) ctx)))

(define status-table
  (alist->hash-table
   '((100 . "Continue")
     (101 . "Switching Protocols")
     (200 . "Ok")
     (201 . "Created")
................................................................................
			       ,@body))))))
	   (extend-procedure
	    (path-lambda (step/arg ... parameters)
	      expr ...)
	    (path step/arg ...))))
       (resource-handler (procedure-data name) name)))))




(define (resource-uri res . args)
  (uri-encode
   (call-with-output-string
    (lambda (port)
      (for-each
       (cut fprintf port "/~a" <>)

       (string-split
	(or ((resource-context-getenv (current-resource-context)) "SCRIPT_NAME")
	    "")
	"/"))
      (let next ((steps (procedure-data res)) (args args))
	(if (pair? steps)
	    (let-values (((step steps) (car+cdr steps)))
	      (if step
		  (begin
		    (fprintf port "/~a" step)

		    (next steps args))
		  (if (pair? args)
		      (let-values (((arg args) (car+cdr args)))
			(fprintf port "/~a" arg)

			(next steps args))
		      (error 'resource-uri "too few arguments"))))
	    (unless (null? args)
	      (error 'resource-uri "too many arguments" args))))))))

;;; Pre-installed default handlers (and directly related stuff)
	
(define (handle-query-parameters parameters query)
  (for-each
   (lambda (key+value)
     (let-optionals (map uri-decode (string-split key+value "="))
................................................................................
	  405 "The access method used to request the document is not supported."
	  #:headers
	  (list
	   (cons "Allow" (string-join (handled-request-methods) ", "))))))
       (cond
	((resource-handler path)
	 => (lambda (proc)
	      (thread-join!
	       (thread-start!
		(make-thread
		 (lambda ()
		   (call-with-current-continuation
		    (lambda (return)
		      (thread-specific-set!
		       (current-thread)
		       (%make-resource-context getenv return))

		      (let ((rsp (proc parameters)))
			((resource-context-return (current-resource-context))
			 rsp))))))))))
	(else
	 (make-error-response
	  404 "The requested resource was not found by the server.")))
       (make-response 204 '()))))
   output-port))



|







 







>
>
>
>
>
>







 







>
>
>
>
>
>
>
>





|

|
|
<







 







>
>
>

<
|
|
|
<
>
|
|
|
|
|
|
|
|
|
<
>
|
|
|
<
>
|
|
|
|







 







|
|
|
|
|
|
|
|
|
>
|
<
<





1
2
3
4
5
6
7
8
9
10
11
..
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
..
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109

110
111
112
113
114
115
116
...
266
267
268
269
270
271
272
273
274
275
276

277
278
279

280
281
282
283
284
285
286
287
288
289

290
291
292
293

294
295
296
297
298
299
300
301
302
303
304
305
...
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476


477
478
479
480
481
;; -*- mode: Scheme; -*-
;;
;; This file is part of WebGate for CHICKEN.
;; Copyright (c) 2011-2013 by Thomas Chust.  All rights reserved.
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the Software), to deal in the Software without restriction,
;; including without limitation the rights to use, copy, modify,
;; merge, publish, distribute, sublicense, and/or sell copies of the
;; Software, and to permit persons to whom the Software is furnished
................................................................................
  body)

(define (make-message
	 body #!key
	 (type "application/octet-stream") (headers '()))
  (%make-message type headers body))

(define message-text
  (let ((text/plain-rx (irregex '(: bos "text/plain" (or ";" eos)))))
    (lambda (msg)
      (and (irregex-search text/plain-rx (message-type msg))
	   (message-body msg)))))

(define (write-message msg #!optional (port (current-output-port)))
  (let ((type (message-type msg))
	(body (message-body msg)))
    (when type
      (fprintf port "Content-type: ~a\r\n" type))
    (when body
      (fprintf port "Content-length: ~a\r\n" (string-length body)))
................................................................................
	   (hash-table-update!/default
	    parameters key (cut append! <> (list msg)) '()))))
    (case-lambda
     (()
      handler)
     ((proc)
      (set! handler proc)))))

(define (parameter-list-ref parameters key #!optional (convert message-text))
  (map convert (hash-table-ref/default parameters key '())))

(define (parameter-ref parameters key #!optional (convert message-text))
  (and-let* ((vs (hash-table-ref/default parameters key '()))
	     ((pair? vs)))
    (convert (car vs))))

;;; Response processing infrastructure

(define-record-type resource-context
  %make-resource-context #t
  getenv method path)

(define current-resource-context
  (make-parameter #f))


(define status-table
  (alist->hash-table
   '((100 . "Continue")
     (101 . "Switching Protocols")
     (200 . "Ok")
     (201 . "Created")
................................................................................
			       ,@body))))))
	   (extend-procedure
	    (path-lambda (step/arg ... parameters)
	      expr ...)
	    (path step/arg ...))))
       (resource-handler (procedure-data name) name)))))

(define (write-uri-step step port)
  (fprintf port "/~a" (uri-encode step)))

(define (resource-uri res . args)

  (call-with-output-string
   (lambda (port)
     (for-each

      (cut write-uri-step <> port)
      (string-split
       (or ((resource-context-getenv (current-resource-context)) "SCRIPT_NAME")
	   "")
       "/"))
     (let next ((steps (procedure-data res)) (args args))
       (if (pair? steps)
	   (let-values (((step steps) (car+cdr steps)))
	     (if step
		 (begin

		   (write-uri-step step port)
		   (next steps args))
		 (if (pair? args)
		     (let-values (((arg args) (car+cdr args)))

		       (write-uri-step arg port)
		       (next steps args))
		     (error 'resource-uri "too few arguments"))))
	   (unless (null? args)
	     (error 'resource-uri "too many arguments" args)))))))

;;; Pre-installed default handlers (and directly related stuff)
	
(define (handle-query-parameters parameters query)
  (for-each
   (lambda (key+value)
     (let-optionals (map uri-decode (string-split key+value "="))
................................................................................
	  405 "The access method used to request the document is not supported."
	  #:headers
	  (list
	   (cons "Allow" (string-join (handled-request-methods) ", "))))))
       (cond
	((resource-handler path)
	 => (lambda (proc)
	      (current-resource-context
	       (%make-resource-context
		getenv method path))
	      (current-serialization-context
	       (make-serialization-context
		(current-input-port) input-port
		(current-output-port) output-port
		(current-error-port)
		(current-resource-context) parameters getenv))
	      (with-limited-continuation
	       (cut proc parameters))))


	(else
	 (make-error-response
	  404 "The requested resource was not found by the server.")))
       (make-response 204 '()))))
   output-port))

Changes to webgate-scgi.scm.

1
2
3
4
5
6
7
8
9
10
11
;; -*- mode: Scheme; -*-
;;
;; This file is part of WebGate for CHICKEN.
;; Copyright (c) 2011 by Thomas Chust.  All rights reserved.
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the Software), to deal in the Software without restriction,
;; including without limitation the rights to use, copy, modify,
;; merge, publish, distribute, sublicense, and/or sell copies of the
;; Software, and to permit persons to whom the Software is furnished



|







1
2
3
4
5
6
7
8
9
10
11
;; -*- mode: Scheme; -*-
;;
;; This file is part of WebGate for CHICKEN.
;; Copyright (c) 2011-2013 by Thomas Chust.  All rights reserved.
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the Software), to deal in the Software without restriction,
;; including without limitation the rights to use, copy, modify,
;; merge, publish, distribute, sublicense, and/or sell copies of the
;; Software, and to permit persons to whom the Software is furnished

Changes to webgate-suspend.scm.

1
2
3
4
5
6
7
8
9
10
11
..
19
20
21
22
23
24
25
26
27
28
29







30
31
32















33
34
35
36
37
38
39
40
41





42
43
44
45
46
47
48
49
50
51
52
53






54
55
56
57
58
59
60
61
62
63
64
65
66










67
68
69
70

71
72
73
74
75
76
77
78
79
80
81
;; -*- mode: Scheme; -*-
;;
;; This file is part of WebGate for CHICKEN.
;; Copyright (c) 2011 by Thomas Chust.  All rights reserved.
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the Software), to deal in the Software without restriction,
;; including without limitation the rights to use, copy, modify,
;; merge, publish, distribute, sublicense, and/or sell copies of the
;; Software, and to permit persons to whom the Software is furnished
................................................................................
;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
;; BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
;; ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
;; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;; SOFTWARE.

;;; Support for suspended computations (and directly related stuff)

(define max-suspended-resources
  (make-parameter 1024))








(define max-suspended-resources-load
  (make-parameter 0.75))
















(define suspended-resource-handler
  (let ((handler
	 (let ((mutex (make-mutex 'suspended-resources)))
	   (mutex-specific-set!
	    mutex (make-hash-table #:test string-ci=? #:hash string-ci-hash))
	   (lambda (resume/uuid)
	     (dynamic-wind
		 (cut mutex-lock! mutex)





		 (lambda ()
		   (let ((table (mutex-specific mutex)))
		     (if (procedure? resume/uuid)
			 (let ((size (hash-table-size table))
			       (max-size (max-suspended-resources)))
			   (when (>= size max-size)
			     (let* ((max-load (max-suspended-resources-load))
				    (num-drop (- size (* max-size max-load))))
			       (for-each
				(cut hash-table-delete! table <>)
				(take
				 (sort! (hash-table-keys table)






					(lambda (a b)
					  (< (uuid-time a) (uuid-time b))))
				 (inexact->exact (ceiling num-drop))))))
			   (let ((uuid (make-uuid 'time)))
			     (hash-table-set! table uuid resume/uuid)
			     uuid))
			 (hash-table-ref/default table resume/uuid #f))))
		 (cut mutex-unlock! mutex))))))
    (case-lambda
     (()
      handler)
     ((proc)
      (set! handler proc)))))











(define-resource (suspended "suspended" uuid parameters)
  (cond
   (((suspended-resource-handler) uuid)

    => (cut <> parameters))
   (else
    (make-error-response
     404 "The requested suspended resource was not found on the server."))))

(define (send/suspend proc)
  (call-with-current-continuation
   (lambda (resume)
     (let ((uuid ((suspended-resource-handler) resume)))
       ((resource-context-return (current-resource-context))
	(proc (resource-uri suspended uuid)))))))



|







 







|

|
|
>
>
>
>
>
>
>

<
<
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>

<
<
<
<
<
<
<
<
>
>
>
>
>
|
<
<
<
<
<
<
<
<
<
<
<
>
>
>
>
>
>
|
<
<
<
<
<
<
<
<
<
<
<
<
>
>
>
>
>
>
>
>
>
>

|

<
>
|





|
|
<
<
|
1
2
3
4
5
6
7
8
9
10
11
..
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37


38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53








54
55
56
57
58
59











60
61
62
63
64
65
66












67
68
69
70
71
72
73
74
75
76
77
78
79

80
81
82
83
84
85
86
87
88


89
;; -*- mode: Scheme; -*-
;;
;; This file is part of WebGate for CHICKEN.
;; Copyright (c) 2011-2013 by Thomas Chust.  All rights reserved.
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the Software), to deal in the Software without restriction,
;; including without limitation the rights to use, copy, modify,
;; merge, publish, distribute, sublicense, and/or sell copies of the
;; Software, and to permit persons to whom the Software is furnished
................................................................................
;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
;; BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
;; ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
;; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;; SOFTWARE.

;;; Support for suspended computations

(define current-suspension-key
  (make-parameter
   (let ((ctx (create-context ALGO-SHA2)))
     (encrypt ctx (call-with-input-file "/proc/self/exe"
		    (cut read-string 8192 <>)))
     (encrypt ctx "")
     (let ((key (attribute/string ctx CTXINFO-HASHVALUE)))
       (destroy-object ctx)
       key))))



(define (wrap-suspension sk)
  (let ((evp (create-envelope FORMAT-CRYPTLIB)))
    (attribute-set! evp OPTION-ENCR-ALGO ALGO-AES)
    (attribute-set! evp OPTION-ENCR-HASH ALGO-SHA2)
    (attribute-set! evp OPTION-ENCR-MAC ALGO-HMAC-SHA2)
    (attribute-set! evp ENVINFO-INTEGRITY INTEGRITY-FULL)
    (attribute-set!/string evp ENVINFO-PASSWORD (current-suspension-key))
    (attribute-set! evp ENVINFO-DATASIZE (string-length sk))
    (let ((port (open-output-object evp #f)))
      (write-string sk #f port)
      (close-output-port port))
    (let* ((port (open-input-object evp #f #t))
	   (sk (read-string #f port)))
      (close-input-port port)
      (base64-encode sk))))









(define (unwrap-suspension sk)
  (let ((evp (create-envelope FORMAT-AUTO)))
    (condition-case
     (with-exception-handler
      (let ((abort (current-exception-handler)))
	(lambda (exn)











	  (if (and ((condition-predicate 'crypt) exn)
		   (eqv? ((condition-property-accessor 'crypt 'code #f) exn)
			 ENVELOPE-RESOURCE))
	      (attribute-set!/string
	       evp ENVINFO-PASSWORD (current-suspension-key))
	      (abort exn))))
      (lambda ()












	(let ((port (open-output-object evp #f)))
	  (write-string (base64-decode sk) #f port)
	  (close-output-port port))
	(and (eqv? (attribute evp ENVINFO-INTEGRITY) INTEGRITY-FULL)
	     (let* ((port (open-input-object evp #f #t))
		    (sk (read-string #f port)))
	       (close-input-port port)
	       sk))))
    ((exn crypt) #f)
    ((exn syntax) #f))))

(define-resource (suspended "suspended" sk parameters)
  (cond

   ((unwrap-suspension sk)
    => (cut continuation-resume <> parameters))
   (else
    (make-error-response
     404 "The requested suspended resource was not found on the server."))))

(define (send/suspend proc)
  (continuation-suspend
   (lambda (sk)


     (proc (resource-uri suspended (wrap-suspension sk))))))

Changes to webgate-utils.scm.

1
2
3
4
5
6
7
8
9
10
11
..
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
...
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
...
260
261
262
263
264
265
266









































































267
268
269
270
271
272
273
;; -*- mode: Scheme; -*-
;;
;; This file is part of WebGate for CHICKEN.
;; Copyright (c) 2011 by Thomas Chust.  All rights reserved.
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the Software), to deal in the Software without restriction,
;; including without limitation the rights to use, copy, modify,
;; merge, publish, distribute, sublicense, and/or sell copies of the
;; Software, and to permit persons to whom the Software is furnished
................................................................................
;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
;; BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
;; ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
;; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;; SOFTWARE.

;;; UUIDs

(foreign-declare "#include <uuid/uuid.h>")

(define-foreign-type uuid-generator
  (function void ("uuid_t")))

(define (make-uuid #!optional mode)
  (let ((buf (make-string 36)))
    ((foreign-lambda* void ((uuid-generator generate)
			    (nonnull-scheme-pointer buf))
       "uuid_t uuid;"
       "generate(uuid);"
       "uuid_unparse_lower(uuid, buf);")
     (case mode
       ((random)
	(foreign-value "uuid_generate_random" uuid-generator))
       ((time)
	(foreign-value "uuid_generate_time" uuid-generator))
       (else
	(foreign-value "uuid_generate" uuid-generator)))
     buf)
    buf))

(define (uuid? v)
  (and (string? v)
       ((foreign-lambda* bool ((nonnull-c-string buf))
	  "uuid_t uuid;"
	  "C_return(uuid_parse(buf, uuid) == 0);")
	v)))

(define (uuid-time uuid)
  ((foreign-lambda* double ((nonnull-c-string buf))
     "uuid_t uuid;"
     "struct timeval time;"
     "if (uuid_parse(buf, uuid) != 0) C_return(nan(\"bad uuid\"));"
     "uuid_time(uuid, &time);"
     "C_return(((double)time.tv_sec) + ((double)time.tv_usec) / 1.0e6);")
   uuid))

;;; Netstrings

(define (write-netstring s #!optional (port (current-output-port)))
  (fprintf port "~a:~a," (string-length s) s))

(define (read-netstring #!optional (port (current-input-port)))
  (let ((l (string->number (read-token char-numeric? port))))
................................................................................

(define (use-at-read-table . args)
  (current-read-table (nth-value 1 (make-at-reader+table args))))

;;; URI encoding

(define uri-encode
  (let ((problematic-rx (irregex '(~ (or alphanumeric
					 "!#$&'()*,-./:;?@_~")))))
    (lambda (s)
      (irregex-replace/all
       problematic-rx s
       (lambda (m)
	 (string-append
	  "%"
	  (string-pad
................................................................................
	   ((#\+)
	    " ")
	   ((#\%) 
	    (string
	     (integer->char
	      (string->number (irregex-match-substring m 1) 16))))))))))










































































;;; HTML output

(define write-html
  (letrec ((tag-rules
	    (alist->hash-table
	     '((area . void)
	       (base . void)



|







 







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







 







|
<







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







1
2
3
4
5
6
7
8
9
10
11
..
19
20
21
22
23
24
25








































26
27
28
29
30
31
32
...
193
194
195
196
197
198
199
200

201
202
203
204
205
206
207
...
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
;; -*- mode: Scheme; -*-
;;
;; This file is part of WebGate for CHICKEN.
;; Copyright (c) 2011-2013 by Thomas Chust.  All rights reserved.
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the Software), to deal in the Software without restriction,
;; including without limitation the rights to use, copy, modify,
;; merge, publish, distribute, sublicense, and/or sell copies of the
;; Software, and to permit persons to whom the Software is furnished
................................................................................
;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
;; BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
;; ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
;; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;; SOFTWARE.









































;;; Netstrings

(define (write-netstring s #!optional (port (current-output-port)))
  (fprintf port "~a:~a," (string-length s) s))

(define (read-netstring #!optional (port (current-input-port)))
  (let ((l (string->number (read-token char-numeric? port))))
................................................................................

(define (use-at-read-table . args)
  (current-read-table (nth-value 1 (make-at-reader+table args))))

;;; URI encoding

(define uri-encode
  (let ((problematic-rx (irregex '(~ (or alphanumeric "-._~")))))

    (lambda (s)
      (irregex-replace/all
       problematic-rx s
       (lambda (m)
	 (string-append
	  "%"
	  (string-pad
................................................................................
	   ((#\+)
	    " ")
	   ((#\%) 
	    (string
	     (integer->char
	      (string->number (irregex-match-substring m 1) 16))))))))))

;;; Base64URI encoding

(define base64-alphabet
  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_")

(define (base64-encode s)
  (let* ((n (string-length s))
	 (e (make-string (inexact->exact (ceiling (* 4/3 n))))))
    (do ((is 0 (fx+ is 3)) (ie 0 (fx+ ie 4))) ((fx>= is n) e)
      (let ((i (fxior
		(fxshl (char->integer (string-ref s is)) 16)
		(if (fx< (fx+ is 1) n)
		    (fxior
		     (fxshl (char->integer (string-ref s (fx+ is 1))) 8)
		     (if (fx< (fx+ is 2) n)
			 (char->integer (string-ref s (fx+ is 2)))
			 0))
		    0))))
	(string-set!
	 e ie
	 (string-ref base64-alphabet (fxand (fxshr i 18) #b111111)))
	(string-set!
	 e (fx+ ie 1)
	 (string-ref base64-alphabet (fxand (fxshr i 12) #b111111)))
	(when (fx< (fx+ is 1) n)
	  (string-set!
	   e (fx+ ie 2)
	   (string-ref base64-alphabet (fxand (fxshr i 6) #b111111)))
	  (when (fx< (fx+ is 2) n)
	    (string-set!
	     e (fx+ ie 3)
	     (string-ref base64-alphabet (fxand i #b111111)))))))))

(define base64-decode
  (let ((char->partial
	 (let ((tab
		(make-hash-table
		 eqv? eqv?-hash (string-length base64-alphabet))))
	   (do ((i 0 (fx+ i 1))) ((fx>= i (string-length base64-alphabet)))
	     (hash-table-set! tab (string-ref base64-alphabet i) i))
	   (lambda (chr)
	     (hash-table-ref
	      tab chr
	      (cut syntax-error 'base64-decode "illegal character" chr))))))
    (lambda (e)
      (let* ((n (string-length e))
	     (s (make-string (inexact->exact (floor (* 3/4 n))))))
	(do ((ie 0 (fx+ ie 4)) (is 0 (fx+ is 3))) ((fx>= ie n) s)
	  (let ((i (fxior
		    (fxshl
		     (char->partial (string-ref e ie)) 18)
		    (if (fx< (fx+ ie 1) n)
			(fxior
			 (fxshl
			  (char->partial (string-ref e (fx+ ie 1))) 12)
			 (if (fx< (fx+ ie 2) n)
			     (fxior
			      (fxshl
			       (char->partial (string-ref e (fx+ ie 2))) 6)
			      (if (fx< (fx+ ie 3) n)
				  (char->partial (string-ref e (fx+ ie 3)))
				  0))
			     0))
			0))))
	    (string-set!
	     s is (integer->char (fxand (fxshr i 16) #xff)))
	    (when (fx< (fx+ ie 2) n)
	      (string-set!
	       s (fx+ is 1) (integer->char (fxand (fxshr i 8) #xff)))
	      (when (fx< (fx+ ie 3) n)
		(string-set!
		 s (fx+ is 2) (integer->char (fxand i #xff)))))))))))

;;; HTML output

(define write-html
  (letrec ((tag-rules
	    (alist->hash-table
	     '((area . void)
	       (base . void)

Changes to webgate.meta.

1
2
3
4
5
6
7


8
9
10
11
12
;; -*- mode: Scheme; -*-
((category net)
 (license "BSD")
 (author "Thomas Chust")
 (synopsis "(S)CGI web application framework")
 (needs srfi-99)
 (files "webgate.scm"


	"webgate-utils.scm"
	"webgate-core.scm"
	"webgate-suspend.scm"
	"webgate-cgi.scm"
	"webgate-scgi.scm"))





|

>
>





1
2
3
4
5
6
7
8
9
10
11
12
13
14
;; -*- mode: Scheme; -*-
((category net)
 (license "BSD")
 (author "Thomas Chust")
 (synopsis "(S)CGI web application framework")
 (needs srfi-99 protobuf cryptlib)
 (files "webgate.scm"
	"at-expr.scm"
	"suspension.scm"
	"webgate-utils.scm"
	"webgate-core.scm"
	"webgate-suspend.scm"
	"webgate-cgi.scm"
	"webgate-scgi.scm"))

Changes to webgate.scm.

1
2
3
4
5
6
7
8
9
10
11
..
21
22
23
24
25
26
27
28

29











30
31
32
33
34
35

36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51

52
53
54
55
56
57
58
59
60
61
62
63
64

65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
..
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119



120
121
122
123
124
125
126






127
128
;; -*- mode: Scheme; -*-
;;
;; This file is part of WebGate for CHICKEN.
;; Copyright (c) 2011 by Thomas Chust.  All rights reserved.
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the Software), to deal in the Software without restriction,
;; including without limitation the rights to use, copy, modify,
;; merge, publish, distribute, sublicense, and/or sell copies of the
;; Software, and to permit persons to whom the Software is furnished
................................................................................
;; BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
;; ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
;; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;; SOFTWARE.

(require-library
 srfi-1 srfi-4 srfi-13 srfi-14 srfi-18 srfi-69 srfi-99
 data-structures ports extras lolevel irregex tcp)













(module webgate-utils
  (make-uuid uuid?
   uuid-time
   write-netstring read-netstring
   make-at-reader make-at-read-table use-at-read-table
   uri-encode uri-decode

   write-html)
  (import
   scheme chicken foreign
   srfi-1 srfi-13 srfi-14 srfi-69
   data-structures extras irregex)
  (include
   "webgate-utils.scm"))

(module webgate-core
  (message make-message message?
   message-type message-headers message-body
   write-message
   max-request-size
   request-method-handler
   request-body-handler
   request-parameter-handler

   resource-context current-resource-context resource-context?
   resource-context-getenv resource-context-return
   response make-response response?
   collect-response make-html-response make-error-response
   response-status response-status-message
   write-response
   resource-handler define-resource resource-uri
   handle-query-parameters
   handle-request)
  (import
   scheme chicken
   srfi-1 srfi-4 srfi-13 srfi-18 srfi-69 srfi-99
   data-structures ports extras lolevel irregex webgate-utils)

  (include
   "webgate-core.scm"))

(module webgate-suspend
  (max-suspended-resources max-suspended-resources-load
   suspended-resource-handler
   suspended
   send/suspend)
  (import
   scheme chicken
   srfi-1 srfi-18 srfi-69
   data-structures webgate-utils webgate-core)
  (include
   "webgate-suspend.scm"))

(module webgate-cgi
  (cgi-main-loop)
  (import
   scheme chicken)
................................................................................
   srfi-13 srfi-18 srfi-69
   data-structures irregex webgate-utils tcp)
  (include
   "webgate-scgi.scm"))

(module webgate
  (message make-message message?
   message-type message-headers message-body
   max-request-size
   request-method-handler
   request-body-handler
   request-parameter-handler
   resource-context current-resource-context resource-context?
   resource-context-getenv resource-context-return
   response make-response response?
   collect-response make-html-response make-error-response
   response-status response-status-message
   resource-handler define-resource resource-uri
   max-suspended-resources max-suspended-resources-load
   suspended-resource-handler
   suspended
   send/suspend
   webgate-main)
  (import
   scheme chicken
   webgate-core webgate-suspend webgate-cgi webgate-scgi tcp)

(define (webgate-main #!optional (arguments (command-line-arguments)))
  (let-optionals arguments ((port #f) (backlog "4") (host "localhost"))



    (if port
	(let ((port (or (string->number port)
			(error 'webgate-main "bad port number" port)))
	      (backlog (or (string->number backlog)
			   (error 'webgate-main "bad backlog number" backlog))))
	  (scgi-main-loop handle-request (tcp-listen port backlog host)))
	(cgi-main-loop handle-request))))







)



|







 







|
>

>
>
>
>
>
>
>
>
>
>
>

<
<
|


>










|





>

|










|
>




|
<





|







 







|
|
<
<
<

|




<
<
<




|


|
>
>
>
|
<
<
<
<
|
|
>
>
>
>
>
>


1
2
3
4
5
6
7
8
9
10
11
..
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42


43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82

83
84
85
86
87
88
89
90
91
92
93
94
95
...
103
104
105
106
107
108
109
110
111



112
113
114
115
116
117



118
119
120
121
122
123
124
125
126
127
128
129




130
131
132
133
134
135
136
137
138
139
;; -*- mode: Scheme; -*-
;;
;; This file is part of WebGate for CHICKEN.
;; Copyright (c) 2011-2013 by Thomas Chust.  All rights reserved.
;;
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the Software), to deal in the Software without restriction,
;; including without limitation the rights to use, copy, modify,
;; merge, publish, distribute, sublicense, and/or sell copies of the
;; Software, and to permit persons to whom the Software is furnished
................................................................................
;; BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
;; ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
;; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;; SOFTWARE.

(require-library
 srfi-1 srfi-4 srfi-13 srfi-14 srfi-18 srfi-69 srfi-99
 data-structures ports extras lolevel irregex tcp
 protobuf cryptlib)

(module suspension
  (with-limited-continuation 
   continuation-drop
   continuation-suspend
   continuation-resume) 
  (import
   scheme chicken
   srfi-18 ports (only protobuf-generic serialize deserialize))
  (include
   "suspension.scm"))

(module webgate-utils


  (write-netstring read-netstring
   make-at-reader make-at-read-table use-at-read-table
   uri-encode uri-decode
   base64-encode base64-decode
   write-html)
  (import
   scheme chicken foreign
   srfi-1 srfi-13 srfi-14 srfi-69
   data-structures extras irregex)
  (include
   "webgate-utils.scm"))

(module webgate-core
  (message make-message message?
   message-type message-headers message-body message-text
   write-message
   max-request-size
   request-method-handler
   request-body-handler
   request-parameter-handler
   parameter-list-ref parameter-ref
   resource-context current-resource-context resource-context?
   resource-context-getenv resource-context-method resource-context-path
   response make-response response?
   collect-response make-html-response make-error-response
   response-status response-status-message
   write-response
   resource-handler define-resource resource-uri
   handle-query-parameters
   handle-request)
  (import
   scheme chicken
   srfi-1 srfi-4 srfi-13 srfi-18 srfi-69 srfi-99
   data-structures ports extras lolevel irregex
   protobuf-generic suspension webgate-utils)
  (include
   "webgate-core.scm"))

(module webgate-suspend
  (current-suspension-key

   suspended
   send/suspend)
  (import
   scheme chicken
   srfi-1 srfi-18 srfi-69
   extras suspension cryptlib webgate-utils webgate-core)
  (include
   "webgate-suspend.scm"))

(module webgate-cgi
  (cgi-main-loop)
  (import
   scheme chicken)
................................................................................
   srfi-13 srfi-18 srfi-69
   data-structures irregex webgate-utils tcp)
  (include
   "webgate-scgi.scm"))

(module webgate
  (message make-message message?
   message-type message-headers message-body message-text
   parameter-list-ref parameter-ref



   resource-context current-resource-context resource-context?
   resource-context-getenv resource-context-method resource-context-path
   response make-response response?
   collect-response make-html-response make-error-response
   response-status response-status-message
   resource-handler define-resource resource-uri



   send/suspend
   webgate-main)
  (import
   scheme chicken
   srfi-13 webgate-core webgate-suspend webgate-cgi webgate-scgi tcp)

(define (webgate-main #!optional (arguments (command-line-arguments)))
  (apply
   (lambda (#!key port (backlog 4) (host "localhost") (suspension-key #f))
     (cond
      (suspension-key => current-suspension-key))
     (if port




	 (scgi-main-loop handle-request (tcp-listen port backlog host))
	 (cgi-main-loop handle-request)))
   (map
    (lambda (arg)
      (if (string-prefix? "-" arg)
	  (string->keyword (substring/shared arg 1))
	  (or (string->number arg) arg)))
    arguments)))

)

Changes to webgate.setup.

1
2
3

4
5
6
7
8


9
10
11
12
13
14
15
16
17

18
19
20
21
22
23
24
25
26

27
28
29
30
31
32

33
34
35
36
37
38
39
40
41
42
43
44
;; -*- mode: Scheme; -*-
(compile -s -O2 -d1 "webgate.scm" -luuid
	 -j webgate

	 -j webgate-utils
	 -j webgate-core
	 -j webgate-suspend
	 -j webgate-cgi
	 -j webgate-scgi)



(cond-expand
 (enable-static
  (compile -c -O2 -d1 "webgate.scm"
	   -unit webgate))
 (else
  ))

(compile -s -O2 -d0 "webgate.import.scm")

(compile -s -O2 -d0 "webgate-utils.import.scm")
(compile -s -O2 -d0 "webgate-core.import.scm")
(compile -s -O2 -d0 "webgate-suspend.import.scm")
(compile -s -O2 -d0 "webgate-cgi.import.scm")
(compile -s -O2 -d0 "webgate-scgi.import.scm")

(install-extension
 'webgate
 `("webgate.so"

   ,@(cond-expand
      (enable-static
       '("webgate.o"))
      (else
       '()))
   "webgate.import.so"

   "webgate-utils.import.so"
   "webgate-core.import.so"
   "webgate-suspend.import.so"
   "webgate-cgi.import.so"
   "webgate-scgi.import.so")
 `((version "1.0.0")
   ,@(cond-expand
      (enable-static
       '((static "webgate.o")
	 (static-options "-luuid")))
      (else
       '()))))

|

>





>
>









>









>






>





|


|
<


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

48
49
;; -*- mode: Scheme; -*-
(compile -s -O2 -d1 "webgate.scm"
	 -j webgate
	 -j suspension
	 -j webgate-utils
	 -j webgate-core
	 -j webgate-suspend
	 -j webgate-cgi
	 -j webgate-scgi)

(compile -s -O2 -d1 "at-expr.scm")

(cond-expand
 (enable-static
  (compile -c -O2 -d1 "webgate.scm"
	   -unit webgate))
 (else
  ))

(compile -s -O2 -d0 "webgate.import.scm")
(compile -s -O2 -d0 "suspension.import.scm")
(compile -s -O2 -d0 "webgate-utils.import.scm")
(compile -s -O2 -d0 "webgate-core.import.scm")
(compile -s -O2 -d0 "webgate-suspend.import.scm")
(compile -s -O2 -d0 "webgate-cgi.import.scm")
(compile -s -O2 -d0 "webgate-scgi.import.scm")

(install-extension
 'webgate
 `("webgate.so"
   "at-expr.so"
   ,@(cond-expand
      (enable-static
       '("webgate.o"))
      (else
       '()))
   "webgate.import.so"
   "suspension.import.so"
   "webgate-utils.import.so"
   "webgate-core.import.so"
   "webgate-suspend.import.so"
   "webgate-cgi.import.so"
   "webgate-scgi.import.so")
 `((version "2.0.0")
   ,@(cond-expand
      (enable-static
       '((static "webgate.o")))

      (else
       '()))))