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RFC 822 allows single digit days of the month

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* module/web/http.scm (parse-rfc-822-date): Add single digit day
  conditional.
* test-suite/tests/web-http.test("general headers"): Add test.
This commit is contained in:
Ian Price 2011-09-09 20:02:34 +01:00 • committed by Andy Wingo
parent 86b4309b71
commit cb7bcfca35
2 changed files with 22 additions and 9 deletions
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28
module/web/http.scm
View file

@ -702,15 +702,25 @@ ordered alist."
;; 0 1 2
(define (parse-rfc-822-date str)
;; We could verify the day of the week but we don't.
(if (not (string-match? str "aaa, dd aaa dddd dd:dd:dd GMT"))
(bad-header 'date str))
(let ((date (parse-non-negative-integer str 5 7))
(month (parse-month str 8 11))
(year (parse-non-negative-integer str 12 16))
(hour (parse-non-negative-integer str 17 19))
(minute (parse-non-negative-integer str 20 22))
(second (parse-non-negative-integer str 23 25)))
(make-date 0 second minute hour date month year 0)))
(cond ((string-match? str "aaa, dd aaa dddd dd:dd:dd GMT")
(let ((date (parse-non-negative-integer str 5 7))
(month (parse-month str 8 11))
(year (parse-non-negative-integer str 12 16))
(hour (parse-non-negative-integer str 17 19))
(minute (parse-non-negative-integer str 20 22))
(second (parse-non-negative-integer str 23 25)))
(make-date 0 second minute hour date month year 0)))
((string-match? str "aaa, d aaa dddd dd:dd:dd GMT")
(let ((date (parse-non-negative-integer str 5 6))
(month (parse-month str 7 10))
(year (parse-non-negative-integer str 11 15))
(hour (parse-non-negative-integer str 16 18))
(minute (parse-non-negative-integer str 19 21))
(second (parse-non-negative-integer str 22 24)))
(make-date 0 second minute hour date month year 0)))
(else
(bad-header 'date str) ; prevent tail call
#f)))
;; RFC 850, updated by RFC 1036
;; Sunday, 06-Nov-94 08:49:37 GMT

3
test-suite/tests/web-http.test
View file

@ -89,6 +89,9 @@
(pass-if-parse date "Tue, 15 Nov 1994 08:12:31 GMT"
(string->date "Tue, 15 Nov 1994 08:12:31 +0000"
"~a, ~d ~b ~Y ~H:~M:~S ~z"))
(pass-if-parse date "Wed, 7 Sep 2011 11:25:00 GMT"
(string->date "Wed, 7 Sep 2011 11:25:00 +0000"
"~a,~e ~b ~Y ~H:~M:~S ~z"))
(pass-if-parse-error date "Tue, 15 Nov 1994 08:12:31 EST" date)
(pass-if-any-error date "Tue, 15 Qux 1994 08:12:31 EST")