https via httpget
lazarus / 38-Networking and Web Programming

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vonskie · 2017-08-23 18:26

It seems to  get https working via TFPHttpClient I have to install 
openssl from https://slproweb.com/download/Win32OpenSSL-1_0_2L.exe, 
is there a uses a statement that would avoid this requirement... seems
like it should be built into one of the packages or something...

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rvk · 2017-08-23 18:31

You don't need to "install" the openssl.
You can also just put the correct DLLs in your project directory.
TFPHttpClient uses them automatically.

You can download the zip from
https://indy.fulgan.com/SSL/

For instance for a 32 bit program you can use
https://indy.fulgan.com/SSL/openssl-1.0.2l-i386-win32.zip
and for a 64 bit program you can use
https://indy.fulgan.com/SSL/openssl-1.0.2l-x64_86-win64.zip
(these are the latest at this moment)

You can extract that zip to your programs exe directory.

You could embed these DLLs into your program and extract them when
needed but that's a bit more advanced.

Also note... there is also a http version of indy.fulgan.com at
http://indy.fulgan.com/SSL so you could download the zip in your
program itself with TFPHttpClient when the DLLs are not present and
extract it before using TFPHttpClient with HTTPS

Final note... you could statically embed the openssl code in your
program with then OpenSSLStaticLibs but I haven't tried that.
http://forum.lazarus.freepascal.org/index.php?topic=26947.0

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molly · 2017-08-23 18:51

Quote from: rvk on August 23, 2017, 08:31:51 pmFinal note... you could
statically embed the openssl code in your program with then
OpenSSLStaticLibs but I haven't tried that.
http://forum.lazarus.freepascal.org/index.php?topic=26947.0
I would like to add to that: think very hard before wanting to do
that. Past issues have shown that it is basically bad practice to
embed a specific version of ssl libraries inside your program. At
least offer/create the possibility for end-suer to be able to
'override' the internal used version.

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vonskie · 2017-08-23 19:26

Thank you I just configured NSIS to drop the DLL files you gave me a
link to in the app dir and it worked!

Thank you!