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(Unicode C) Use an Azure Service SASShows how to use an Azure Service SAS. (In this case, it is an SAS for a blob.)
#include <C_CkRestW.h> #include <C_CkStringBuilderW.h> #include <C_CkBinDataW.h> void ChilkatSample(void) { HCkRestW rest; BOOL bTls; int port; BOOL bAutoReconnect; BOOL success; HCkStringBuilderW sbToken; HCkBinDataW binData; HCkStringBuilderW sbResponse; // Azure Blob Service Example: Upload binary bytes to a block blob. // This uses a Service SAS for Authorization. // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. rest = CkRestW_Create(); // Connect to the Azure Storage Blob Service bTls = TRUE; port = 443; bAutoReconnect = TRUE; // In this example, the storage account name is "chilkat". success = CkRestW_Connect(rest,L"chilkat.blob.core.windows.net",port,bTls,bAutoReconnect); if (success != TRUE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkRestW_Dispose(rest); return; } // ---------------------------------------------------------------------------------------------- // The code above this comment could be placed inside a function/subroutine within the application // because the connection does not need to be made for every request. Once the connection is made // the app may send many requests.. // ---------------------------------------------------------------------------------------------- // Note: The application does not need to explicitly set the following // headers: Content-Length, x-ms-date, Authorization. These headers // are automatically set by Chilkat. // Let's load a previously computed Azure Storage Account SAS token and use it. // See How to Create an Azure Service SAS sbToken = CkStringBuilderW_Create(); success = CkStringBuilderW_LoadFile(sbToken,L"qa_data/tokens/azureStorageServiceSas.txt",L"utf-8"); if (success != TRUE) { wprintf(L"Failed to load SAS token.\n"); CkRestW_Dispose(rest); CkStringBuilderW_Dispose(sbToken); return; } // Add the Shared Access Signature query params for authorization. CkRestW_AddQueryParams(rest,CkStringBuilderW_getAsString(sbToken)); // IMPORTANT: Make sure to set the x-ms-blob-type header: success = CkRestW_AddHeader(rest,L"x-ms-blob-type",L"BlockBlob"); // IMPORTANT: Make sure to add the x-ms-date header. // When the header name is "x-ms-date", Chilkat will recognize the keyword "NOW" // and will substitute the current system date/time formatted as required by Microsoft. success = CkRestW_AddHeader(rest,L"x-ms-date",L"NOW"); // For this example, we'll just load a JPG file into memory.. binData = CkBinDataW_Create(); success = CkBinDataW_LoadFile(binData,L"qa_data/jpg/starfish.jpg"); if (success != TRUE) { wprintf(L"Failed to load JPG file.\n"); CkRestW_Dispose(rest); CkStringBuilderW_Dispose(sbToken); CkBinDataW_Dispose(binData); return; } // Note: The maximum size of a block blob created by uploading in a single step is 64MB. // For larger files, the upload must be broken up into blocks. There is another Chilkat example for that.. sbResponse = CkStringBuilderW_Create(); success = CkRestW_FullRequestBd(rest,L"PUT",L"/mycontainer/starfish.jpg",binData,sbResponse); if (success != TRUE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkRestW_Dispose(rest); CkStringBuilderW_Dispose(sbToken); CkBinDataW_Dispose(binData); CkStringBuilderW_Dispose(sbResponse); return; } // When successful, the Azure Storage service will respond with a 201 response status code, // with no response body. if (CkRestW_getResponseStatusCode(rest) != 201) { // Examine the request/response to see what happened. wprintf(L"response status code = %d\n",CkRestW_getResponseStatusCode(rest)); wprintf(L"response status text = %s\n",CkRestW_responseStatusText(rest)); wprintf(L"response header: %s\n",CkRestW_responseHeader(rest)); wprintf(L"response body (if any): %s\n",CkStringBuilderW_getAsString(sbResponse)); wprintf(L"---\n"); wprintf(L"LastRequestStartLine: %s\n",CkRestW_lastRequestStartLine(rest)); wprintf(L"LastRequestHeader: %s\n",CkRestW_lastRequestHeader(rest)); wprintf(L"Failed.\n"); CkRestW_Dispose(rest); CkStringBuilderW_Dispose(sbToken); CkBinDataW_Dispose(binData); CkStringBuilderW_Dispose(sbResponse); return; } wprintf(L"Success.\n"); CkRestW_Dispose(rest); CkStringBuilderW_Dispose(sbToken); CkBinDataW_Dispose(binData); CkStringBuilderW_Dispose(sbResponse); } |
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