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(Unicode C) Send GMail with BCC Recipients using REST APISee more GMail REST API ExamplesDemonstrates how to send an email with BCC recipients using the GMail REST API. Note: This example requires Chilkat v9.5.0.91 or greater.
#include <C_CkEmailW.h> #include <C_CkStringBuilderW.h> #include <C_CkJsonObjectW.h> #include <C_CkHttpW.h> #include <C_CkHttpResponseW.h> void ChilkatSample(void) { BOOL success; HCkEmailW email; const wchar_t *cid; HCkStringBuilderW sbHtml; int numReplacements; HCkStringBuilderW sbMime; HCkJsonObjectW json; HCkHttpW http; const wchar_t *url; HCkHttpResponseW resp; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Use the Chilkat Email API to create or load an email. email = CkEmailW_Create(); // The From name/address don't need to be specified. // GMail will automatically use your Gmail address if the following 2 lines are omitted. CkEmailW_putFromName(email,L"My Name"); CkEmailW_putFromAddress(email,L"my_account_name@gmail.com"); CkEmailW_AddTo(email,L"John Smith",L"somebody@somewhere.com"); // To add more recipients, make additional calls to AddTo or AddCC, one per recipient... // ----------------------------------------------------------------------------------------- // This section of this example demonstrates how to add BCC recipients. // // Technically, an email should never contain a "Bcc" MIME header because it would // effectively nullify the purpose of BCC -- which means "Blind Carbon Copy". // Email recipients should not be able to see the BCC recipients. // Chilkat never adds a "Bcc" header field. // However.. in this case, the GMail REST server will look for the Bcc header field, // and will include those email addresses when sending, and also removes the Bcc header // from the email that is sent. // // Starting in Chilkat v9.5.0.91, we can tell the email object to add the Bcc header // using the "UseBccHeader" UncommonOptions. For example: CkEmailW_putUncommonOptions(email,L"UseBccHeader"); CkEmailW_AddBcc(email,L"Joe",L"joe@example.com"); CkEmailW_AddBcc(email,L"Dave",L"dave@example.com"); // ... // ----------------------------------------------------------------------------------------- CkEmailW_putSubject(email,L"This is a test GMail email created using Chilkat."); CkEmailW_putCharset(email,L"utf-8"); CkEmailW_AddPlainTextAlternativeBody(email,L"This is a test"); // Create an HTML email body with an embedded image. cid = CkEmailW_addRelatedFile(email,L"qa_data/jpg/starfish.jpg"); sbHtml = CkStringBuilderW_Create(); CkStringBuilderW_Append(sbHtml,L"<html><body>This is a <b>test</b><br><img src=\"cid:STARFISH_CID\"/></body></html>"); numReplacements = CkStringBuilderW_Replace(sbHtml,L"STARFISH_CID",cid); CkEmailW_AddHtmlAlternativeBody(email,CkStringBuilderW_getAsString(sbHtml)); // OK.. we now have an HTML email with an embedded JPG image // We'll need to get the full MIME of the email encoded to a base64url string. sbMime = CkStringBuilderW_Create(); CkEmailW_GetMimeSb(email,sbMime); CkStringBuilderW_Encode(sbMime,L"base64url",L"utf-8"); // The body of the HTTP request will be JSON.. json = CkJsonObjectW_Create(); CkJsonObjectW_UpdateSb(json,L"raw",sbMime); // Send the email... http = CkHttpW_Create(); CkHttpW_putAuthToken(http,L"GMAIL-ACCESS-TOKEN"); url = L"https://www.googleapis.com/gmail/v1/users/me/messages/send"; resp = CkHttpW_PostJson3(http,url,L"application/json",json); if (CkHttpW_getLastMethodSuccess(http) != TRUE) { wprintf(L"%s\n",CkHttpW_lastErrorText(http)); CkEmailW_Dispose(email); CkStringBuilderW_Dispose(sbHtml); CkStringBuilderW_Dispose(sbMime); CkJsonObjectW_Dispose(json); CkHttpW_Dispose(http); return; } // A status code of 200 indicates success. wprintf(L"Response status code: %d\n",CkHttpResponseW_getStatusCode(resp)); wprintf(L"Response body:\n"); wprintf(L"%s\n",CkHttpResponseW_bodyStr(resp)); CkHttpResponseW_Dispose(resp); // The response body contains JSON. // Use the online tool at Generate JSON Parsing Code // to generate JSON parsing code. // A sample successful JSON response: // { // "id": "166f0d4ac39e50bf", // "threadId": "166f0d4ac39e50bf", // "labelIds": [ // "SENT" // ] // } CkEmailW_Dispose(email); CkStringBuilderW_Dispose(sbHtml); CkStringBuilderW_Dispose(sbMime); CkJsonObjectW_Dispose(json); CkHttpW_Dispose(http); } |
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