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(C) REST through SOCKS Proxy

Demonstrates how to connect through a SOCKS proxy to make REST API calls.

Chilkat C/C++ Library Downloads

MS Visual C/C++

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#include <C_CkRest.h>
#include <C_CkSocket.h>
#include <C_CkAuthAws.h>
#include <C_CkXml.h>

void ChilkatSample(void)
    {
    HCkRest rest;
    HCkSocket socket;
    BOOL bTls;
    int port;
    int maxWaitMs;
    BOOL success;
    HCkAuthAws authAws;
    const char *responseXml;
    HCkXml xml;

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

    //  This example connects to a REST server through a SOCKS proxy.
    //  It will connect to the Amazon AWS service for this example.
    rest = CkRest_Create();
    socket = CkSocket_Create();

    //  Set the SOCKS proxy domain or IP address, port, and SOCKS version number (4 or 5)
    CkSocket_putSocksHostname(socket,"192.168.1.100");
    CkSocket_putSocksPort(socket,1080);
    CkSocket_putSocksVersion(socket,5);
    //  Other properties exist for specifying a SOCKS proxy login and password,
    //  but these are not used in this example.

    //  Connect through the HTTP proxy to the Amazon AWS server for the S3 service.
    bTls = TRUE;
    port = 443;
    maxWaitMs = 5000;
    success = CkSocket_Connect(socket,"s3.amazonaws.com",port,bTls,maxWaitMs);
    if (success != TRUE) {
        printf("Connect Failure Error Code: %d\n",CkSocket_getConnectFailReason(socket));
        printf("%s\n",CkSocket_lastErrorText(socket));
        CkRest_Dispose(rest);
        CkSocket_Dispose(socket);
        return;
    }

    //  Use the proxied TLS connection:
    success = CkRest_UseConnection(rest,socket,TRUE);
    if (success != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        CkSocket_Dispose(socket);
        return;
    }

    //  Provide AWS credentials for the REST call.
    authAws = CkAuthAws_Create();
    CkAuthAws_putAccessKey(authAws,"AWS_ACCESS_KEY");
    CkAuthAws_putSecretKey(authAws,"AWS_SECRET_KEY");
    CkAuthAws_putServiceName(authAws,"s3");
    success = CkRest_SetAuthAws(rest,authAws);

    //  List all buckets for the account...
    responseXml = CkRest_fullRequestNoBody(rest,"GET","/");
    if (CkRest_getLastMethodSuccess(rest) != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        CkSocket_Dispose(socket);
        CkAuthAws_Dispose(authAws);
        return;
    }

    xml = CkXml_Create();
    success = CkXml_LoadXml(xml,responseXml);

    //  Show the full XML returned.
    printf("%s\n",CkXml_getXml(xml));

    //  Iterate over the buckets, showing each bucket name.
    success = CkXml_FindChild2(xml,"Buckets");
    if (CkXml_FirstChild2(xml) == TRUE) {
        printf("%s\n",CkXml_getChildContent(xml,"Name"));
        while ((CkXml_NextSibling2(xml) == TRUE)) {
            printf("%s\n",CkXml_getChildContent(xml,"Name"));
        }

    }

    //  Move the internal pointer back to the root node.
    CkXml_GetRoot2(xml);


    CkRest_Dispose(rest);
    CkSocket_Dispose(socket);
    CkAuthAws_Dispose(authAws);
    CkXml_Dispose(xml);

    }

 

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