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Doctrinal purity

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This commit is contained in:
Jay McCarthy 2013-04-04 07:38:47 -06:00
parent d630a09247
commit 0003b737bd
4 changed files with 7 additions and 7 deletions
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2
collects/web-server/dispatchers/dispatch-files.rkt
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@ -76,7 +76,7 @@
[range-delimiter-regexp #px#","]
[range-regexp #px#"^([0-9]*)-([0-9]*)$"]
[range-error (lambda (header)
(display (format "Bad Range header: ~s. File a Racket bug report!\n"
(display (format "Bad Range header: ~s. File a Racket problem report!\n"
(header-value header))
(current-error-port))
#f)])

2
collects/web-server/http/request.rkt
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@ -134,7 +134,7 @@
;; msie-from-local-machine? : table str str -> bool
;; to work around a bug in MSIE for documents < 265 bytes when
;; to work around an error in MSIE for documents < 265 bytes when
;; connecting from the local machine. The server could pad the
;; response as MSIIS does, but closing the connection works, too. We
;; do not check for version numbers since IE 6 under windows is 5.2

4
collects/web-server/scribblings/http.scrbl
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@ -105,9 +105,9 @@ Here is an example typical of what you will find in many applications:
@defmodule[web-server/http/bindings]{
These functions, while convenient, could introduce subtle bugs into your
These functions, while convenient, could introduce subtle errors into your
application. Examples: that they are case-insensitive could introduce
a bug; if the data submitted is not in UTF-8 format, then the conversion
an error; if the data submitted is not in UTF-8 format, then the conversion
to a string will fail; if an attacker submits a form field as if it were
a file, when it is not, then the @racket[request-bindings] will hold a
@racket[bytes?] object and your program will error; and, for file uploads

6
collects/web-server/scribblings/tutorial/continue.scrbl
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@ -699,7 +699,7 @@ Improve the presentation of the blog web application by writing
an external style sheet that suits your tastes. Adjust all of the HTML
response handlers to include a link to the style sheet.
@section{The Double Submit Bug}
@section{The Double Submit Error}
@declare-exporting[#:use-sources (web-server/scribblings/tutorial/examples/iteration-7
web-server/servlet)]
@ -735,12 +735,12 @@ below?
@external-file["use-redirect.rkt"]
So the double-submit bug is easy to prevent: whenever you have
So the double-submit error is easy to prevent: whenever you have
handlers that mutate the state of the system, use @racket[redirect/get] when
sending back your response.
@bold{Exercise.}
Use @racket[redirect/get] to fix the double-submit bug in the blog
Use @racket[redirect/get] to fix the double-submit error in the blog
application.
With these minor fixes, our blog application now looks like this: