Sivan Toledo / Mbed 2 deprecated Sync

Student project by David Berlin and Boris Dogadov made for the Embedded Systems Workshop course given in Tel-Aviv University on 2010 by Sivan Toledo. Visit the project website for more details: http://davidberlin.co.il/sadna/ .

Dependencies:   EthernetNetIf NTPClient_NetServices mbed HTTPServer HTTPClient CyaSSL

Dropbox/Dropbox.cpp@0:3e7d6f496a67, 2011-04-17 (annotated)

Committer:
sivan_toledo
Date:
Sun Apr 17 21:30:10 2011 +0000
Revision:
0:3e7d6f496a67
Child:
1:b05231650f32

        

        
Who changed what in which revision?

        

            
                
UserRevisionLine numberNew contents of line

            
            


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#include "Dropbox.h"





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#include "HTTPClient.h"





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#include "HTTPFileSender.h"





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#include "base64.h"





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#include "url.h"





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#include "ctc_hmac.h"





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#include "NTPClient.h"





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#include "HTTPData.h"





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// NET





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NTPClient ntpClient;





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HTTPResult result;





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// Dropbox





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string consumer_token = "p4t8cn8b3ddci2d";





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string consumer_token_secret = "wtib99x350qo5l6";





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char token[16] = {0};





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char token_secret[16] = {0};





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bool completed = false;





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int v = 6000;





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char buffer[1024] = {0};





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extern DigitalOut led1;





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extern DigitalOut led3;





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extern void USBLoop();





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Timer timer;





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void request_callback(HTTPResult r)





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{





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  result = r;





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  completed = true;





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}





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bool dropbox_getToken(char* username, char* password)





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{





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    HTTPClient client;





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    HTTPText data;





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    /* Request Token */ 





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    printf("Requesting token\r\n");





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    char request[128] = {0};





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    sprintf(request,





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            "http://api.getdropbox.com/0/token?oauth_consumer_key=p4t8cn8b3ddci2d&email=%s&password=%s",





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            username,





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            password);





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    printf(request);





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    HTTPResult result = client.get(request, &data);





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    if (result != HTTP_OK)





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    {





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        printf("R: %d", result);





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        return false;





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    }





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    const char *dataContent = data.gets();    





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    memcpy(token, dataContent + 11, 15); 





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    memcpy(token_secret, dataContent + 40, 15); 





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    printf("Got token %s %s %s\r\n", dataContent, token, token_secret);





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    return true;





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}





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bool dropbox_syncTime()





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{





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    /* Get Time */





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    printf("Synchronizing time\r\n");





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    Host server(IpAddr(), 123, "0.pool.ntp.org");





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    NTPResult result = ntpClient.setTime(server);





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    //srand(time(NULL));





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    return (result == NTP_OK);





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}





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bool dropbox_upload(string srcFile, string dstFile)





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{





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    HTTPClient client;





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    string dst = dstFile;





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    time_t currentTime = time(NULL);





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    v++; //= (rand() % 9999999) + 1000;





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    //printf("T: %d NONCE: %d\r\n", currentTime, v); 





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    memset(buffer, 0x00, 1024);





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    sprintf(buffer, 





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            "POST&http%%3A%%2F%%2Fapi-content.dropbox.com%%2F0%%2Ffiles%%2Fdropbox%%2F&file%%3D%s%%26oauth_consumer_key%%3D%s%%26oauth_nonce%%3D%d%%26oauth_signature_method%%3DHMAC-SHA1%%26oauth_timestamp%%3D%d%%26oauth_token%%3D%s",





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            dst.c_str(),





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            consumer_token.c_str(),





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            v,





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            currentTime,





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            token);





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    //printf("Sig: %s %d\n\r", buffer, strlen(buffer)); 





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    string key = consumer_token_secret + "&" + token_secret;





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    //printf("Key: %s %d\n\r", key.c_str(), key.size()); 





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    byte hash[SHA_DIGEST_SIZE];





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    Hmac hmac;





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    HmacSetKey(&hmac, SHA, (const byte*)key.c_str(), key.size());





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    HmacUpdate(&hmac, (const byte*)buffer, strlen(buffer));





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    HmacFinal(&hmac, hash);





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    char sig[128] = {0};





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    base64enc((char*)hash, SHA_DIGEST_SIZE, sig);





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    char *encodedSig = url_encode(sig);





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    memset(buffer, 0x00, 1024);





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    sprintf(buffer, 





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            "http://api-content.dropbox.com/0/files/dropbox/?file=%s&oauth_consumer_key=%s&oauth_nonce=%d&oauth_timestamp=%d&oauth_token=%s&oauth_signature_method=HMAC-SHA1&oauth_signature=%s",





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            dst.c_str(),





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            consumer_token.c_str(),





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            v,





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            currentTime,





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            token,





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            encodedSig);





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    //printf("Req: %s %d\n\r", buffer, strlen(buffer));





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    HTTPFileSender httpFile(srcFile.c_str(), dst.c_str());





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    HTTPText res;





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    //client.setTimeout(5000);





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    completed = false;





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    HTTPResult postResult = client.post(buffer, httpFile, &res, request_callback);





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    timer.start();





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    while (!completed)





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    {





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        led1 = (timer.read_ms() % 250) >= 125;





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        USBLoop();





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        Net::poll();





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    }





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    timer.stop();





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    timer.reset();





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    led1 = 1;





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    printf("Res: %s %d %d\n\r", res.gets(), postResult, result);





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    free(encodedSig);





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    return (result == HTTP_OK);





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}