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(Unicode C++) Get GMail Message format=fullExamines the JSON returned when getting a message using format=full. For more information, see https://developers.google.com/gmail/api/v1/reference/users/messages/get
#include <CkHttpW.h> #include <CkHttpResponseW.h> #include <CkJsonObjectW.h> void ChilkatSample(void) { // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. CkHttpW http; http.put_AuthToken(L"ACCESS_TOKEN"); http.put_Accept(L"application/json"); // This is the ID for a particular message in our mailbox... const wchar_t *id = L"1712bc1dc22da2a2"; // Download the message using format=full http.SetUrlVar(L"id",id); CkHttpResponseW *resp = http.QuickRequest(L"GET",L"https://www.googleapis.com/gmail/v1/users/userId/messages/{$id}?format=full"); if (http.get_LastMethodSuccess() != true) { wprintf(L"%s\n",http.lastErrorText()); return; } wprintf(L"Response Status Code: %d\n",resp->get_StatusCode()); CkJsonObjectW json; json.Load(resp->bodyStr()); json.put_EmitCompact(false); wprintf(L"%s\n",json.emit()); if (resp->get_StatusCode() != 200) { wprintf(L"Failed.\n"); delete resp; return; } delete resp; // Use this online tool to generate parsing code from sample JSON: // Generate Parsing Code from JSON // Here is a sample "format=full" response that contains 4 attachments: // The JSON parsing source code is shown below... // { // "id": "1712bc1dc22da2a2", // "threadId": "1712bc1dc22da2a2", // "labelIds": [ // "UNREAD", // "IMPORTANT", // "CATEGORY_PERSONAL", // "INBOX" // ], // "snippet": "Hello, this is a test email with attachments..", // "historyId": "759379", // "internalDate": "1585577056000", // "payload": { // "partId": "", // "mimeType": "multipart/mixed", // "filename": "", // "headers": [ // { // "name": "Delivered-To", // "value": "chilkat.support@gmail.com" // }, // { // "name": "Received", // "value": "..." // }, // { // "name": "X-Received", // "value": "..." // }, // { // "name": "X-Google-Smtp-Source", // "value": "..." // }, // { // "name": "X-Received", // "value": "..." // }, // { // "name": "ARC-Seal", // "value": "..." // }, // { // "name": "ARC-Message-Signature", // "value": "..." // }, // { // "name": "ARC-Authentication-Results", // "value": "..." // }, // { // "name": "Return-Path", // "value": "..." // }, // { // "name": "Received", // "value": "..." // }, // { // "name": "Received-SPF", // "value": "..." // }, // { // "name": "Authentication-Results", // "value": "..." // }, // { // "name": "DKIM-Signature", // "value": "..." // }, // { // "name": "DKIM-Signature", // "value": "..." // }, // { // "name": "Subject", // "value": "Test email with attachments" // }, // { // "name": "From", // "value": "..." // }, // { // "name": "To", // "value": "..." // }, // { // "name": "Date", // "value": "Mon, 30 Mar 2020 14:04:16 +0000" // }, // { // "name": "Mime-Version", // "value": "1.0" // }, // { // "name": "Content-Type", // "value": "multipart/mixed; boundary=\"=_wNvwW3YTnQBZ24pmfFNfay3S6M-pHT7KdZIkXwYF-BFiPYNE\"" // }, // { // "name": "References", // "value": "..." // }, // { // "name": "X-Mailer", // "value": "..." // }, // { // "name": "Thread-Index", // "value": "AQHWBpwYB0UZvgGPT1KluJJUCF0BGg==" // }, // { // "name": "Thread-Topic", // "value": "Test email with attachments" // }, // { // "name": "Message-ID", // "value": "..." // }, // { // "name": "X-SES-Outgoing", // "value": "2020.03.30-54.240.27.106" // }, // { // "name": "Feedback-ID", // "value": "..." // } // ], // "body": { // "size": 0 // }, // "parts": [ // { // "partId": "0", // "mimeType": "multipart/alternative", // "filename": "", // "headers": [ // { // "name": "Content-Type", // "value": "multipart/alternative; boundary=\"=_wNvwHW2hdOZkYPaJAhdOY4+XBEFNAcvIZ1sQcW4JkBcAdDqA\"" // } // ], // "body": { // "size": 0 // }, // "parts": [ // { // "partId": "0.0", // "mimeType": "text/plain", // "filename": "", // "headers": [ // { // "name": "Content-Type", // "value": "text/plain; charset=UTF-8" // }, // { // "name": "Content-Transfer-Encoding", // "value": "7bit" // } // ], // "body": { // "size": 129, // "data": "SGVsbG8sIHRoaXMgaXMgYSB0ZXN0IGVtYWlsIHdpdGggYXR0YWNobWVudHMuLg0KIA0KIA0KIA0KLS0gDQogQmVzdCBSZWdhcmRzLA0KIE1hdHQgRmF1c2V5DQogQ2hpbGthdCBTb2Z0d2FyZSwgSW5jLiANCg0KIA0KDQogDQog" // } // }, // { // "partId": "0.1", // "mimeType": "multipart/related", // "filename": "", // "headers": [ // { // "name": "Content-Type", // "value": "multipart/related; boundary=\"=_wNvw-LQZP2xD5vBm4q4esgoD5F4j3w+DRPUkkzOidpnpXAre\"" // } // ], // "body": { // "size": 0 // }, // "parts": [ // { // "partId": "0.1.0", // "mimeType": "text/html", // "filename": "", // "headers": [ // { // "name": "Content-Type", // "value": "text/html; charset=utf-8" // }, // { // "name": "Content-Transfer-Encoding", // "value": "7bit" // } // ], // "body": { // "size": 530, // "data": "PGh0bWw-DQogIDxoZWFkPg0KDQogICAgPG1ldGEgaHR0cC1lcXVpdj0iY29udGVudC10eXBlIiBjb250ZW50PSJ0ZXh0L2h0bWw7IGNoYXJzZXQ9VVRGLTgiPg0KICA8L2hlYWQ-DQogIDxib2R5Pg0KICAgIEhlbGxvLCB0aGlzIGlzIGE8Zm9udCBjb2xvcj0iI2ZmMDAwMCI-IHRlc3Q8L2ZvbnQ-IGVtYWlsIHdpdGgNCiAgICBhdHRhY2htZW50cy4uPGJyPg0KICAgIDxicj4NCiAgICA8aW1nIG1vei1kby1ub3Qtc2VuZD0iZmFsc2UiDQogICAgICBzcmM9ImNpZDpwYXJ0MS5GMEI1MzVEQi5DQjZFN0ExMkBjaGlsa2F0c29mdC5jb20iIGFsdD0ic2VhaG9yc2UiDQogICAgICB3aWR0aD0iMTIwIiBoZWlnaHQ9IjEyMCI-PGJyPg0KICAgIDxkaXYgY2xhc3M9Im1vei1zaWduYXR1cmUiPi0tIDxicj4NCiAgICAgIEJlc3QgUmVnYXJkcyw8YnI-DQogICAgICBNYXR0IEZhdXNleTxicj4NCiAgICAgIENoaWxrYXQgU29mdHdhcmUsIEluYy4NCiAgICAgIDxwPg0KICAgICAgPC9wPg0KICAgIDwvZGl2Pg0KICA8L2JvZHk-DQo8L2h0bWw-DQo=" // } // }, // { // "partId": "0.1.1", // "mimeType": "image/jpeg", // "filename": "seahorse.jpg", // "headers": [ // { // "name": "Content-Type", // "value": "image/jpeg" // }, // { // "name": "Content-Id", // "value": "\u003cpart1.F0B535DB.CB6E7A12@chilkatsoft.com\u003e" // }, // { // "name": "Content-Disposition", // "value": "inline; filename=seahorse.jpg" // }, // { // "name": "Content-Transfer-Encoding", // "value": "base64" // } // ], // "body": { // "attachmentId": "ANGjdJ-Z1c9gUGsEzexYYEsF5nLHGUaNiZQs5HkuFQVPo5jq1eze8poigmarvERUIRj1coKUaftiQPWhiZWaFyLDcyjFbfLdjWyyO3AxRO8pY5liAhVp1bt_5f79Nk0vfnZXL0OnZmNAMdrcFe645DbsajwDZcoYnWVcsV9Fe6PCNq41e6XW8Ko4Ex7zMzkATiwlLyx0RLcR0hl-FuZ-UVpQI0JeMTkNi4eN5-9L4dRU7HTo9qEyFW_p3__vXrnEJvmEvWXNUqxKLktcZvkvql6mnAVMDiIapqsE6x0EAvFobre7sf1_T6ieVlA-m92vrtELC2HHdxzkU-qhC_LuoOSOz8nd8tfWsrB8zex0v6NFFP9mJmBUb1QGtCGTxLdI40z_LdMOSiaqmeCq4o_s", // "size": 24388 // } // } // ] // } // ] // }, // { // "partId": "1", // "mimeType": "application/pdf", // "filename": "helloWorld.pdf", // "headers": [ // { // "name": "Content-Type", // "value": "application/pdf; name=helloWorld.pdf" // }, // { // "name": "Content-Transfer-Encoding", // "value": "base64" // }, // { // "name": "Content-Disposition", // "value": "attachment; filename=helloWorld.pdf" // } // ], // "body": { // "attachmentId": "ANGjdJ-oy3aCuZISJKLAhUdaEksCEklbAPyMaWzFgqOMGbPCRkgwgeu_Kttd99C17OBTHROkDZGekibTKWXGfscB5ww7fw4E65_V1dQ-jHhb2TD1Cdm58-BbNw2iDxzptco8iILPiSnLLfFn5Ps7nsRcxHaGTt3r0yqFKCuIYNnPK1vM04BXI_cfzo-HnI4I3tD6oHNHOGVQrL01MdShFQjPELPUjXM8z1qs7Kom-QyvV1iOldUN-66UuhynsmDX-CMM5TIdB-8KD_lmdhf-0DqG8JnCA20XpXyfqwS8XFkPA-t-QSjb7SdkHQFtQ4lz2PcBREFzZ2eI5j0l0Y_dQHRPYTeMwkVl1yl4MfFT4C4iso3VSF-eqaIjiFCbXKCFNyeEIW5WFsv189dhlSqU", // "size": 934 // } // }, // { // "partId": "2", // "mimeType": "application/x-gzip", // "filename": "hamlet.xml.gz", // "headers": [ // { // "name": "Content-Type", // "value": "application/x-gzip; name=hamlet.xml.gz" // }, // { // "name": "Content-Transfer-Encoding", // "value": "base64" // }, // { // "name": "Content-Disposition", // "value": "attachment; filename=hamlet.xml.gz" // } // ], // "body": { // "attachmentId": "ANGjdJ9rvj1ebIc-f0cXG0kwsb6pDBkRCNk3IQXbJ5z0-s2mEcVat3Pp6pVm3rTkRLOyeXHzRcTuel7nxRFJX6WVAKtG-5B-GL_b6DlsOWOzH4A_IKlyJ9U4aeWT02CgQL8oRwlCu1h0BtnY6lT8zureboGOqR7qoa-i5jH8xr6ds0nUDZp71lAwfOjji3eG6Wg6HfzWzWUThYPH3ba0_q35Jii8JIMhyJwwZnGjN3lvW_VhN6UIL1DIpop95b8rdwJdpyUavm7VhGtdNrI-mpgWQtT7WIAdIe6a-O74Zf4AB7uG7bp9R-IMBqQT-1jQqkN2_xlSpe3meWbuNu-4zsYfXN-IqM-Iy4dudAXjt0aY3Y8zxuHfW5qT7o4u8wSszhTIjM1j8lt-N7GZqnwJ", // "size": 77409 // } // }, // { // "partId": "3", // "mimeType": "text/plain", // "filename": "brasil_cert.pem", // "headers": [ // { // "name": "Content-Type", // "value": "text/plain; name=brasil_cert.pem" // }, // { // "name": "Content-Transfer-Encoding", // "value": "base64" // }, // { // "name": "Content-Disposition", // "value": "attachment; filename=brasil_cert.pem" // } // ], // "body": { // "attachmentId": "ANGjdJ8nGD_xRHvjDwNIaSUleWCWk15ksUleks0fJ29gfGVOebzjBOUnAHYgKPefUQ6d6ExtqYubpvGCka1kJAB4gFwsnhQeflBhFNkORBqtb6FAGq0FcNgrbuxyKywmoHOUV4GDsNs4OGroEcFhBeZNQ8XKEdEoaO8ht8DARn2LncjxioQ4TmZ6jawmMF-mLbW1mz4QjwNir5jLOsE11tYZV2tLDoqjsubKeJJA8xojWo9r50zWfJFgWJKXZJwyNvKyZTwLmmBL_ATFxLFp4Nvo4K37uuVdUCG8WXiWwNr0oIV1RZOd_ZOA7M6Jif0wUcppJdxXRqlsFJqGlcVsLowkVGrJNAMe-fLY1x4w5od3axZIdZQgBPlVRKYYu5xopPTrLJsn4ld7pNyAhpZW", // "size": 2952 // } // }, // { // "partId": "4", // "mimeType": "application/x-zip-compressed", // "filename": "helloWorld.zip", // "headers": [ // { // "name": "Content-Type", // "value": "application/x-zip-compressed; name=helloWorld.zip" // }, // { // "name": "Content-Transfer-Encoding", // "value": "base64" // }, // { // "name": "Content-Disposition", // "value": "attachment; filename=helloWorld.zip" // } // ], // "body": { // "attachmentId": "ANGjdJ9nWglkRNneBVGFk5GwSg83COa0zBeiTAvoMYniPklY03-w93dmEVHJTB9CAu5WMFW_yhV4ou2oX2w9SlpZjjyTgSc7sfYWeuX3pt29z67agy9WUVYeNGpo_30LSPgeyNk_Nm0DTAaektJTEMSy65rjRyK03VkHahNpMLY6Kd_pdfrk50oceuXzwNJZ-V-bftmIluueoQMqLcWQSGBRvEdIcl6EcPFFw8KuMLrjZZJwq8_bb8uM6zUvV23Q9LsLTgWg8FaBWejBf0wuIFXl3ZhtSLa-Y8OXCApHPdUnn45hccAzaQEmy4ZG7cgvCdN_jA9eFX46HYHty7ewleKPFGLTVof2JWsMiIi9BPqfohqQ5FPm1WXlGG_bOHvaMdoWcoqbKMMvF8lWZsfz", // "size": 174 // } // } // ] // }, // "sizeEstimate": 152847 // } // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat. // See this example explaining how this memory should be used: const char * functions. const wchar_t *strVal = 0; const wchar_t *name = 0; const wchar_t *value = 0; const wchar_t *partId = 0; const wchar_t *mimeType = 0; const wchar_t *filename = 0; int bodySize; const wchar_t *bodyAttachmentId = 0; int j; int count_j; const wchar_t *bodyData = 0; int k; int count_k; CkJsonObjectW *json1 = 0; int i1; int count_i1; const wchar_t *id = json.stringOf(L"id"); const wchar_t *threadId = json.stringOf(L"threadId"); const wchar_t *snippet = json.stringOf(L"snippet"); const wchar_t *historyId = json.stringOf(L"historyId"); const wchar_t *internalDate = json.stringOf(L"internalDate"); const wchar_t *payloadPartId = json.stringOf(L"payload.partId"); const wchar_t *payloadMimeType = json.stringOf(L"payload.mimeType"); const wchar_t *payloadFilename = json.stringOf(L"payload.filename"); int payloadBodySize = json.IntOf(L"payload.body.size"); int sizeEstimate = json.IntOf(L"sizeEstimate"); int i = 0; int count_i = json.SizeOfArray(L"labelIds"); while (i < count_i) { json.put_I(i); strVal = json.stringOf(L"labelIds[i]"); i = i + 1; } i = 0; count_i = json.SizeOfArray(L"payload.headers"); while (i < count_i) { json.put_I(i); name = json.stringOf(L"payload.headers[i].name"); value = json.stringOf(L"payload.headers[i].value"); i = i + 1; } i = 0; count_i = json.SizeOfArray(L"payload.parts"); while (i < count_i) { json.put_I(i); partId = json.stringOf(L"payload.parts[i].partId"); mimeType = json.stringOf(L"payload.parts[i].mimeType"); filename = json.stringOf(L"payload.parts[i].filename"); bodySize = json.IntOf(L"payload.parts[i].body.size"); bodyAttachmentId = json.stringOf(L"payload.parts[i].body.attachmentId"); j = 0; count_j = json.SizeOfArray(L"payload.parts[i].headers"); while (j < count_j) { json.put_J(j); name = json.stringOf(L"payload.parts[i].headers[j].name"); value = json.stringOf(L"payload.parts[i].headers[j].value"); j = j + 1; } j = 0; count_j = json.SizeOfArray(L"payload.parts[i].parts"); while (j < count_j) { json.put_J(j); partId = json.stringOf(L"payload.parts[i].parts[j].partId"); mimeType = json.stringOf(L"payload.parts[i].parts[j].mimeType"); filename = json.stringOf(L"payload.parts[i].parts[j].filename"); bodySize = json.IntOf(L"payload.parts[i].parts[j].body.size"); bodyData = json.stringOf(L"payload.parts[i].parts[j].body.data"); k = 0; count_k = json.SizeOfArray(L"payload.parts[i].parts[j].headers"); while (k < count_k) { json.put_K(k); name = json.stringOf(L"payload.parts[i].parts[j].headers[k].name"); value = json.stringOf(L"payload.parts[i].parts[j].headers[k].value"); k = k + 1; } k = 0; count_k = json.SizeOfArray(L"payload.parts[i].parts[j].parts"); while (k < count_k) { json.put_K(k); partId = json.stringOf(L"payload.parts[i].parts[j].parts[k].partId"); mimeType = json.stringOf(L"payload.parts[i].parts[j].parts[k].mimeType"); filename = json.stringOf(L"payload.parts[i].parts[j].parts[k].filename"); bodySize = json.IntOf(L"payload.parts[i].parts[j].parts[k].body.size"); bodyData = json.stringOf(L"payload.parts[i].parts[j].parts[k].body.data"); bodyAttachmentId = json.stringOf(L"payload.parts[i].parts[j].parts[k].body.attachmentId"); json1 = json.ObjectOf(L"payload.parts[i].parts[j].parts[k]"); i1 = 0; count_i1 = json1->SizeOfArray(L"headers"); while (i1 < count_i1) { json1->put_I(i1); name = json1->stringOf(L"headers[i].name"); value = json1->stringOf(L"headers[i].value"); i1 = i1 + 1; } delete json1; k = k + 1; } j = j + 1; } i = i + 1; } } |
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