Web Requests and Proxies
Hey,
I'm pretty new to C++, however am reasonably experienced with PHP and Expression 2 (Garrys Mod code language).
I am most interested in making things web related, and have found libcurl which seems to be a good function library. I now know how to get pages/send POST forms after a bit of research.
My question is:
Programs like Tor run on your PC and handle web requests from the browser. You point your browser at your local host, with a specific port number.
1) How does this work? At a guess I'm going to say sockets, yay or nay? If so, how? If not - forget that.
My mental image of the rough route:
Browser -> Program -> Server (PHP) -> *Gets web page* -> Server (PHP) -> Program -> Browser -> *Displays*
This anything like correct?
2) How might I go about doing this myself? I don't want to do any encrypting or anything snazzy like multiple servers, however, I'd like to be able to handle a request for say... google.com.
I presume I'll be sending the requests to a PHP script which will then get the data required and send it back? If so, a quick point in the right direction would be great!
This might be a bit of a hard question to answer (maybe?), however any information would be excellent and much appreciated.
Thanks for your time.
tree
I'm pretty new to C++, however am reasonably experienced with PHP and Expression 2 (Garrys Mod code language).
I am most interested in making things web related, and have found libcurl which seems to be a good function library. I now know how to get pages/send POST forms after a bit of research.
My question is:
Programs like Tor run on your PC and handle web requests from the browser. You point your browser at your local host, with a specific port number.
1) How does this work? At a guess I'm going to say sockets, yay or nay? If so, how? If not - forget that.
My mental image of the rough route:
Browser -> Program -> Server (PHP) -> *Gets web page* -> Server (PHP) -> Program -> Browser -> *Displays*
This anything like correct?
2) How might I go about doing this myself? I don't want to do any encrypting or anything snazzy like multiple servers, however, I'd like to be able to handle a request for say... google.com.
I presume I'll be sending the requests to a PHP script which will then get the data required and send it back? If so, a quick point in the right direction would be great!
This might be a bit of a hard question to answer (maybe?), however any information would be excellent and much appreciated.
Thanks for your time.
tree
Last edited on
Hello Mr Tree,
First of all I'd like to say as a human being, I've always appreciated your great height and also the cooling abilities of your leaves.
OK - Enough funny bidness. All requests to and from the Web are using socket calls at some level. Sometimes you might have access to a nice library of code that hides the sockets part from you, but sockets are being used.
To do it yourself, find some great books, like UNIX Network Programming - Third Addition; also use Google; and the PHP Website has great resources on how to get started. When I needed to do some PHP for a client, I started at the PHP Website and that helped me very much!
Good luck!
First of all I'd like to say as a human being, I've always appreciated your great height and also the cooling abilities of your leaves.
OK - Enough funny bidness. All requests to and from the Web are using socket calls at some level. Sometimes you might have access to a nice library of code that hides the sockets part from you, but sockets are being used.
To do it yourself, find some great books, like UNIX Network Programming - Third Addition; also use Google; and the PHP Website has great resources on how to get started. When I needed to do some PHP for a client, I started at the PHP Website and that helped me very much!
Good luck!
Why Hello,
EDIT: I've now found an excellent tutorial/example on winsock2.
Its shown me how to set up a socket server and client, however, I'm not interested in the client side of things as this will be the browser.
I'm now receiving the request from the browser, which I can use to get the page with libcurl/PHP.
My question now is, how do I send this back to the browser? I presume it follows a protocol and I'll need to send various things before the actual HTML/headers. Is there a reference sheet or protocol listing somewhere?
Thanks
tree
EDIT: I've now found an excellent tutorial/example on winsock2.
Its shown me how to set up a socket server and client, however, I'm not interested in the client side of things as this will be the browser.
I'm now receiving the request from the browser, which I can use to get the page with libcurl/PHP.
My question now is, how do I send this back to the browser? I presume it follows a protocol and I'll need to send various things before the actual HTML/headers. Is there a reference sheet or protocol listing somewhere?
Thanks
tree
Last edited on
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