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[Solved] Missing "CR" when download file from fpweb embedded server
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Topic: [Solved] Missing "CR" when download file from fpweb embedded server (Read 699 times)
eolandro
New Member
Posts: 14
[Solved] Missing "CR" when download file from fpweb embedded server
«
on:
October 14, 2022, 03:04:09 am »
Hi!
I have a simple webserver for download files. it use TFPWebModule but when i download a binary file some chars are stripped ("CR" => '\r'). My DataModuleRequest have code like this:
Code: Pascal
[Select]
[+]
[-]
if
ARequest
.
URI
=
'/down'
then
begin
AResponse
.
ContentType
:
=
'application/octet-stream'
;
AResponse
.
Contents
.
LoadFromFile
(
ARequest
.
ContentFields
.
Values
[
'FL'
]
)
;
end
;
i have tested with curl and python. but all "CR" are missing
i changed my code to:
Code: Pascal
[Select]
[+]
[-]
if
ARequest
.
URI
=
'/down'
then
begin
AResponse
.
ContentType
:
=
'application/octet-stream'
;
MS
:
=
TMemoryStream
.
Create
;
MS
.
LoadFromFile
(
ARequest
.
ContentFields
.
Values
[
'FL'
]
)
;
AResponse
.
ContentStream
.
CopyFrom
(
MS
,
MS
.
Size
)
;
end
;
But does not work.
Any suggestions?
PD. sorry for bad english.
«
Last Edit: October 21, 2022, 08:27:18 pm by eolandro
»
Logged
Leledumbo
Hero Member
Posts: 8757
Programming + Glam Metal + Tae Kwon Do = Me
Re: Missing "CR" when download file from fpweb embedded server
«
Reply #1 on:
October 17, 2022, 06:49:36 pm »
TResponse.Contents is a TStrings descendant. It uses OS native line ending by default. TResponse has another property, ContentStream, which can be used for binary transfer. So use that instead.
Logged
Follow this if you want me to answer:
http://wiki.lazarus.freepascal.org/Lazarus_Faq#What_is_the_correct_way_to_ask_questions_in_the_forum.3F
http://pascalgeek.blogspot.com
https://bitbucket.org/leledumbo
https://github.com/leledumbo
Code first, think later - Natural programmer B)
eolandro
New Member
Posts: 14
Re: [Solved] Missing "CR" when download file from fpweb embedded server
«
Reply #2 on:
October 21, 2022, 08:28:40 pm »
Yes, thanks so much!
Now this code works
Code: Pascal
[Select]
[+]
[-]
if
ARequest
.
URI
=
'/down'
then
begin
AResponse
.
ContentType
:
=
'application/octet-stream'
;
MS
:
=
TMemoryStream
.
Create
;
MS
.
LoadFromFile
(
ARequest
.
ContentFields
.
Values
[
'FL'
]
)
;
AResponse
.
ContentStream
:
=
MS
;
end
;
Logged
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[Solved] Missing "CR" when download file from fpweb embedded server
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