Sample code for 30+ languages & platforms
C

Example: Http.SetCookieXml method

Demonstrates the SetCookieXml method.

Chilkat C Downloads

C
#include <C_CkHttp.h>
#include <C_CkStringBuilder.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttp http;
    const char *html;
    HCkHttp httpB;
    HCkHttp httpC;
    HCkStringBuilder sbCookiesXml;

    success = FALSE;

    http = CkHttp_Create();

    CkHttp_putSaveCookies(http,TRUE);
    CkHttp_putCookieDir(http,"c:/temp/cookie_cache");
    //  For this initial request, we are not sending cookies.
    //  We are starting a new (cookie) session and saving the cookies we receive.
    CkHttp_putSendCookies(http,FALSE);

    //  Do a request that establishes and saves cookies in files in the cookie directory.
    html = CkHttp_quickGetStr(http,"https://google.com/");

    //  Examine the LastResponseHeader to see the cookies that were received:
    printf("%s\n",CkHttp_lastResponseHeader(http));
    printf("----------------------------------\n");

    //  We can see the following Set-Cookie response header fields:

    //  Set-Cookie: AEC=AVh_V2h-fsL2-****; expires=Mon, 23-Feb-2026 19:15:10 GMT; path=/; domain=.google.com; Secure; HttpOnly; SameSite=lax
    //  Set-Cookie: NID=525=XC_cL****Hn7-WONX; expires=Thu, 26-Feb-2026 19:15:10 GMT; path=/; domain=.google.com; HttpOnly

    //  The following file was created:  c:/temp/cookie_cache/google_com.xml

    //  Examine the cookies received in the above request.
    printf("%s\n",CkHttp_getCookieXml(http,"google.com"));
    printf("----------------------------------\n");

    //  Sample output.

    //  <?xml version="1.0" encoding="utf-8"?>
    //  <cookies>
    //      <cookie key=".google.com,/,AEC" v="0" expire="Mon, 23-Feb-2026 19:05:20 GMT" secure="yes">
    //          <AEC>AVh_V2gL8QzTdFGYq6_rS6ktBfqm8WNG3pzHxS2nTZD5i23dRBau2c4ZRA</AEC>
    //      </cookie>
    //      <cookie key=".google.com,/,NID" v="0" expire="Thu, 26-Feb-2026 19:05:20 GMT">
    //          <NID>525=SuLcnaSkFqF4Jz_jLEq4kt_f3MY2Xro1VDoVzLKvp8XHcW2UHuLKJSr55iDeW0NiRIPXoAwJWF1-YNl29unX2xfhEWsS5BhbuK_2DXdD9cTOmn5BSENMhZasxeJ71mEP2PQRMXBndqnl41DhblC2jjdac_so4TESIll1B0GCVe9wRFjqI6DTZItRCj61BHmr1_RAQi0_jrh_ihn6KYtIFEY7</NID>
    //      </cookie>
    //  </cookies>

    //  -------------------------------------------------------------------------------------------
    //  Let's say we want to continue with the session at some later time with a new HTTP object.
    //  One way to do it is to simply set the same cookie properties:
    httpB = CkHttp_Create();

    CkHttp_putSaveCookies(httpB,TRUE);
    CkHttp_putCookieDir(httpB,"c:/temp/cookie_cache");
    CkHttp_putSendCookies(httpB,TRUE);

    //  The cookies from the cache are sent.
    html = CkHttp_quickGetStr(httpB,"https://google.com/");

    //  Examine the LastHeader to see the contents of the Cookie header field.
    printf("%s\n",CkHttp_lastHeader(httpB));
    printf("----------------------------------\n");

    //  -------------------------------------------------------------------------------------------
    //  Another way to do it is to explicitly load the cookies from XML
    //  and set the cookies for the particular domain.

    httpC = CkHttp_Create();

    CkHttp_putSaveCookies(httpC,TRUE);
    //  Do not save cookies to files, just keep them in memory.
    CkHttp_putCookieDir(httpC,"memory");
    CkHttp_putSendCookies(httpC,TRUE);

    sbCookiesXml = CkStringBuilder_Create();
    success = CkStringBuilder_LoadFile(sbCookiesXml,"c:/temp/cookie_cache/google_com.xml","utf-8");
    if (success == FALSE) {
        printf("%s\n",CkStringBuilder_lastErrorText(sbCookiesXml));
        CkHttp_Dispose(http);
        CkHttp_Dispose(httpB);
        CkHttp_Dispose(httpC);
        CkStringBuilder_Dispose(sbCookiesXml);
        return;
    }

    success = CkHttp_SetCookieXml(httpC,"google.com",CkStringBuilder_getAsString(sbCookiesXml));
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(httpC));
        CkHttp_Dispose(http);
        CkHttp_Dispose(httpB);
        CkHttp_Dispose(httpC);
        CkStringBuilder_Dispose(sbCookiesXml);
        return;
    }

    html = CkHttp_quickGetStr(httpC,"https://google.com/");

    //  Examine the LastHeader to see the contents of the Cookie header field.
    printf("%s\n",CkHttp_lastHeader(httpC));


    CkHttp_Dispose(http);
    CkHttp_Dispose(httpB);
    CkHttp_Dispose(httpC);
    CkStringBuilder_Dispose(sbCookiesXml);

    }