(C) Adding Cookies to an HTTP Request

Demonstrates how to add one or more cookies to an HTTP request.

Chilkat C/C++ Library Downloads
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#include <C_CkHttp.h>
#include <C_CkHttpRequest.h>
#include <C_CkHttpResponse.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    HCkHttpRequest req;
    HCkHttpResponse resp;
    const char *domain;
    int port;
    BOOL ssl;
    const char *html;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    http = CkHttp_Create();

    // The Cookie header field has this format:
    // Cookie: name1=value1 [; name2=value2] ...

    // Build an HTTP POST request:
    req = CkHttpRequest_Create();
    CkHttpRequest_SetFromUrl(req,"http://www.chilkatsoft.com/echoPost.asp");
    CkHttpRequest_putHttpVerb(req,"POST");

    CkHttpRequest_AddParam(req,"param1","value1");
    CkHttpRequest_AddParam(req,"param2","value2");

    // To add cookies to any HTTP request sent by a Chilkat HTTP method
    // that uses an HTTP request object, add the cookies to the
    // request object by calling AddHeader.  

    // Add two cookies:
    CkHttpRequest_AddHeader(req,"Cookie","user=\"mary\"; city=\"Chicago\"");

    // Send the HTTP POST.  
    // (The cookies are sent as part of the HTTP header.)

    domain = "www.chilkatsoft.com";
    port = 80;
    ssl = FALSE;
    resp = CkHttp_SynchronousRequest(http,domain,port,ssl,req);
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkHttpRequest_Dispose(req);
        return;
    }

    // Display the HTML body of the response.
    if (CkHttpResponse_getStatusCode(resp) == 200) {
        // Show the last HTTP request header sent, which should include
        // our cookies...
        printf("%s\n",CkHttp_lastHeader(http));
    }
    else {
        printf("HTTP Response Status = %d\n",CkHttpResponse_getStatusCode(resp));
    }

    CkHttpResponse_Dispose(resp);

    printf("---------------------\n");

    // Some Chilkat HTTP methods do not use an HTTP request object. 
    // For these methods, such as for QuickGetStr, cookies (or any HTTP request header) 
    // are added by calling SetRequestHeader.  
    CkHttp_SetRequestHeader(http,"Cookie","user=\"mary\"; city=\"Chicago\"");

    html = CkHttp_quickGetStr(http,"http://www.w3.org/");
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
    }
    else {
        // Show the last HTTP request header sent, which should include
        // our cookies...
        printf("%s\n",CkHttp_lastHeader(http));
    }



    CkHttp_Dispose(http);
    CkHttpRequest_Dispose(req);

    }