suzanne.soy/racket
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Doctrinal purity

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
collects/web-server/dispatchers/dispatch-files.rkt
View File

@ -76,7 +76,7 @@
[range-delimiter-regexp #px#","] [range-delimiter-regexp #px#","]
[range-regexp #px#"^([0-9]*)-([0-9]*)$"] [range-regexp #px#"^([0-9]*)-([0-9]*)$"]
[range-error (lambda (header) [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)) (header-value header))
(current-error-port)) (current-error-port))
#f)]) #f)])

2
collects/web-server/http/request.rkt
View File

@ -134,7 +134,7 @@
;; msie-from-local-machine? : table str str -> bool ;; 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 ;; connecting from the local machine. The server could pad the
;; response as MSIIS does, but closing the connection works, too. We ;; 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 ;; do not check for version numbers since IE 6 under windows is 5.2

4
collects/web-server/scribblings/http.scrbl
View File

@ -105,9 +105,9 @@ Here is an example typical of what you will find in many applications:
@defmodule[web-server/http/bindings]{ @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 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 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 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 @racket[bytes?] object and your program will error; and, for file uploads

6
collects/web-server/scribblings/tutorial/continue.scrbl
View File

@ -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 an external style sheet that suits your tastes. Adjust all of the HTML
response handlers to include a link to the style sheet. 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 @declare-exporting[#:use-sources (web-server/scribblings/tutorial/examples/iteration-7
web-server/servlet)] web-server/servlet)]
@ -735,12 +735,12 @@ below?
@external-file["use-redirect.rkt"] @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 handlers that mutate the state of the system, use @racket[redirect/get] when
sending back your response. sending back your response.
@bold{Exercise.} @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. application.
With these minor fixes, our blog application now looks like this: With these minor fixes, our blog application now looks like this: