Node.js GMail: Get a specific message (format="full")

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Gets a specific message using format=full.

Documentation: https://developers.google.com/gmail/api/v1/reference/users/messages/get


var os = require('os');
if (os.platform() == 'win32') {  
    var chilkat = require('chilkat_node6_win32'); 
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('chilkat_node6_arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('chilkat_node6_linux32');
    } else {
        var chilkat = require('chilkat_node6_linux64');
    }
} else if (os.platform() == 'darwin') {
    var chilkat = require('chilkat_node6_macosx');
}

function chilkatExample() {

    var rest = new chilkat.Rest();
    var success;

    //   Provide a previously obtained OAuth2 access token.
    var oauth2 = new chilkat.OAuth2();
    oauth2.AccessToken = "OAUTH2_ACCESS_TOKEN";
    rest.SetAuthOAuth2(oauth2);

    success = rest.Connect("www.googleapis.com",443,true,true);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    rest.AddPathParam("messageId","15fc23688c553739");

    rest.AddQueryParam("format","full");

    var sbJson = new chilkat.StringBuilder();
    success = rest.FullRequestNoBodySb("GET","/gmail/v1/users/me/messages/messageId",sbJson);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    if (rest.ResponseStatusCode !== 200) {
        console.log("Received error response code: " + rest.ResponseStatusCode);
        console.log("Response body:");
        console.log(sbJson.GetAsString());
        return;
    }

    var json = new chilkat.JsonObject();
    json.LoadSb(sbJson);

    //  The following code parses the JSON response.
    //  A sample JSON response is shown below the sample code.
    var id;
    var threadId;
    var snippet;
    var historyId;
    var internalDate;
    var payloadPartId;
    var payloadMimeType;
    var payloadFilename;
    var payloadBodySize;
    var sizeEstimate;
    var i;
    var count_i;
    var strVal;
    var name;
    var value;
    var partId;
    var mimeType;
    var filename;
    var bodySize;
    var bodyAttachmentId;
    var j;
    var count_j;
    var k;
    var count_k;
    var bodyData;
    var i1;
    var count_i1;
    // json1: JsonObject
    var json1;

    id = json.StringOf("id");
    threadId = json.StringOf("threadId");
    snippet = json.StringOf("snippet");
    historyId = json.StringOf("historyId");
    internalDate = json.StringOf("internalDate");
    payloadPartId = json.StringOf("payload.partId");
    payloadMimeType = json.StringOf("payload.mimeType");
    payloadFilename = json.StringOf("payload.filename");
    payloadBodySize = json.IntOf("payload.body.size");
    sizeEstimate = json.IntOf("sizeEstimate");
    i = 0;
    count_i = json.SizeOfArray("labelIds");
    while (i < count_i) {
        json.I = i;
        strVal = json.StringOf("labelIds[i]");
        i = i+1;
    }

    i = 0;
    count_i = json.SizeOfArray("payload.headers");
    while (i < count_i) {
        json.I = i;
        name = json.StringOf("payload.headers[i].name");
        value = json.StringOf("payload.headers[i].value");
        i = i+1;
    }

    i = 0;
    count_i = json.SizeOfArray("payload.parts");
    while (i < count_i) {
        json.I = i;
        partId = json.StringOf("payload.parts[i].partId");
        mimeType = json.StringOf("payload.parts[i].mimeType");
        filename = json.StringOf("payload.parts[i].filename");
        bodySize = json.IntOf("payload.parts[i].body.size");
        bodyAttachmentId = json.StringOf("payload.parts[i].body.attachmentId");
        j = 0;
        count_j = json.SizeOfArray("payload.parts[i].headers");
        while (j < count_j) {
            json.J = j;
            name = json.StringOf("payload.parts[i].headers[j].name");
            value = json.StringOf("payload.parts[i].headers[j].value");
            j = j+1;
        }

        j = 0;
        count_j = json.SizeOfArray("payload.parts[i].parts");
        while (j < count_j) {
            json.J = j;
            partId = json.StringOf("payload.parts[i].parts[j].partId");
            mimeType = json.StringOf("payload.parts[i].parts[j].mimeType");
            filename = json.StringOf("payload.parts[i].parts[j].filename");
            bodySize = json.IntOf("payload.parts[i].parts[j].body.size");
            bodyAttachmentId = json.StringOf("payload.parts[i].parts[j].body.attachmentId");
            k = 0;
            count_k = json.SizeOfArray("payload.parts[i].parts[j].headers");
            while (k < count_k) {
                json.K = k;
                name = json.StringOf("payload.parts[i].parts[j].headers[k].name");
                value = json.StringOf("payload.parts[i].parts[j].headers[k].value");
                k = k+1;
            }

            k = 0;
            count_k = json.SizeOfArray("payload.parts[i].parts[j].parts");
            while (k < count_k) {
                json.K = k;
                partId = json.StringOf("payload.parts[i].parts[j].parts[k].partId");
                mimeType = json.StringOf("payload.parts[i].parts[j].parts[k].mimeType");
                filename = json.StringOf("payload.parts[i].parts[j].parts[k].filename");
                bodySize = json.IntOf("payload.parts[i].parts[j].parts[k].body.size");
                bodyData = json.StringOf("payload.parts[i].parts[j].parts[k].body.data");

                json1 = json.ObjectOf("payload.parts[i].parts[j].parts[k]");
                i1 = 0;
                count_i1 = json1.SizeOfArray("headers");
                while (i1 < count_i1) {
                    json1.I = i1;
                    name = json1.StringOf("headers[i].name");
                    value = json1.StringOf("headers[i].value");
                    i1 = i1+1;
                }

                k = k+1;
            }

            j = j+1;
        }

        i = i+1;
    }

    console.log("Example Completed.");

}

chilkatExample();

Sample JSON Response Body

{
  "id": "15fc23688c553739",
  "threadId": "15fc23688c553739",
  "labelIds": [
    "IMPORTANT",
    "SENT",
    "INBOX"
  ],
  "snippet": "This is a test. \u200b",
  "historyId": "1438",
  "internalDate": "1510791874000",
  "payload": {
    "partId": "",
    "mimeType": "multipart/mixed",
    "filename": "",
    "headers": [
      {
        "name": "MIME-Version",
        "value": "1.0"
      },
      {
        "name": "Received",
        "value": "by 10.25.23.105 with HTTP; Wed, 15 Nov 2017 16:24:34 -0800 (PST)"
      },
      {
        "name": "X-Originating-IP",
        "value": "[2601:249:e00:9093:e894:b27f:e5d6:d01d]"
      },
      {
        "name": "Date",
        "value": "Wed, 15 Nov 2017 18:24:34 -0600"
      },
      {
        "name": "Delivered-To",
        "value": "matt@chilkat.io"
      },
      {
        "name": "Message-ID",
        "value": "\u003cCAPhjyBM1qqXS6NVB65W8Zt5-McF03qWSRDjW5am66wTMuard=w@mail.gmail.com\u003e"
      },
      {
        "name": "Subject",
        "value": "Test HTML email with image and attachment."
      },
      {
        "name": "From",
        "value": "Matt Fausey \u003cmatt@chilkat.io\u003e"
      },
      {
        "name": "To",
        "value": "Matt Fausey \u003cmatt@chilkat.io\u003e"
      },
      {
        "name": "Content-Type",
        "value": "multipart/mixed; boundary=\"001a11401a6c097887055e0ea572\""
      }
    ],
    "body": {
      "size": 0
    },
    "parts": [
      {
        "partId": "0",
        "mimeType": "multipart/related",
        "filename": "",
        "headers": [
          {
            "name": "Content-Type",
            "value": "multipart/related; boundary=\"001a11401a6c097885055e0ea571\""
          }
        ],
        "body": {
          "size": 0
        },
        "parts": [
          {
            "partId": "0.0",
            "mimeType": "multipart/alternative",
            "filename": "",
            "headers": [
              {
                "name": "Content-Type",
                "value": "multipart/alternative; boundary=\"001a11401a6c097882055e0ea570\""
              }
            ],
            "body": {
              "size": 0
            },
            "parts": [
              {
                "partId": "0.0.0",
                "mimeType": "text/plain",
                "filename": "",
                "headers": [
                  {
                    "name": "Content-Type",
                    "value": "text/plain; charset=\"UTF-8\""
                  },
                  {
                    "name": "Content-Transfer-Encoding",
                    "value": "quoted-printable"
                  }
                ],
                "body": {
                  "size": 22,
                  "data": "VGhpcyBpcyBhIHRlc3QuDQrigIsNCg=="
                }
              },
              {
                "partId": "0.0.1",
                "mimeType": "text/html",
                "filename": "",
                "headers": [
                  {
                    "name": "Content-Type",
                    "value": "text/html; charset=\"UTF-8\""
                  },
                  {
                    "name": "Content-Transfer-Encoding",
                    "value": "quoted-printable"
                  }
                ],
                "body": {
                  "size": 115,
                  "data": "PGRpdiBkaXI9Imx0ciI-VGhpcyBpcyBhIHRlc3QuPGltZyB3aWR0aD0iMTIwIiBoZWlnaHQ9IjEyMCIgc3JjPSJjaWQ6aWlfamExcWY5MGwwXzE1ZmMyMzUzOWJkMDA3MjciPjxicj7igIs8L2Rpdj4NCg=="
                }
              }
            ]
          },
          {
            "partId": "0.1",
            "mimeType": "image/jpeg",
            "filename": "starfish.jpg",
            "headers": [
              {
                "name": "Content-Type",
                "value": "image/jpeg; name=\"starfish.jpg\""
              },
              {
                "name": "Content-Disposition",
                "value": "inline; filename=\"starfish.jpg\""
              },
              {
                "name": "Content-Transfer-Encoding",
                "value": "base64"
              },
              {
                "name": "Content-ID",
                "value": "\u003cii_ja1qf90l0_15fc23539bd00727\u003e"
              },
              {
                "name": "X-Attachment-Id",
                "value": "ii_ja1qf90l0_15fc23539bd00727"
              },
              {
                "name": "MIME-Version",
                "value": "1.0"
              },
              {
                "name": "Date",
                "value": "Wed, 15 Nov 2017 16:23:08 -0800"
              },
              {
                "name": "Message-ID",
                "value": "\u003cCAPhjyBMicJ9k-EXY5Efcvp8o_z_J3x8_G=mnC_znLXnyBogemQ@mail.gmail.com\u003e"
              },
              {
                "name": "Subject",
                "value": "Attachment"
              },
              {
                "name": "From",
                "value": "Matt Fausey \u003cmatt@chilkat.io\u003e"
              }
            ],
            "body": {
              "attachmentId": "ANGjdJ_ueuzzM9bpQ8l_tD27oDfn-smCe77viIAF1wy8ZeI09tK5vAuSS6V9Bahow4ikqaGleXqdQBeq8xhFkJ7WN-KKBSKvOfT2yD-XMlA1FC8AOKS2A8tBi5dDDbFrbnns33rfqEIRFAISslhdE481uB6sYfVoYjpuDThtW6Y96YA0Aso0P9txbKJwcwOeD0RxDav_vPzDjHuRuOYsGxbVTxesMB2eiMMw3i1y-WAu-pyWHqF0xMFehZmd7d-krKKdvI4UEgtzD9siXnnaH6MG55ykjBsjFRsmjKc-4K5fHeYHOf586Pkej5K238A",
              "size": 6229
            }
          }
        ]
      },
      {
        "partId": "1",
        "mimeType": "application/pdf",
        "filename": "helloWorld.pdf",
        "headers": [
          {
            "name": "Content-Type",
            "value": "application/pdf; name=\"helloWorld.pdf\""
          },
          {
            "name": "Content-Disposition",
            "value": "attachment; filename=\"helloWorld.pdf\""
          },
          {
            "name": "Content-Transfer-Encoding",
            "value": "base64"
          },
          {
            "name": "X-Attachment-Id",
            "value": "f_ja1qgya31"
          }
        ],
        "body": {
          "attachmentId": "ANGjdJ934ScA-kvdsvBvOjO9z-RYmRLyO8PvqOCzwkk-smeLVpKqeoxXNIn9FL_RbzA6qmTWKQTJehrBVmX4NqYtFsivmwRfzIWj-A-SqvJATRhjEGOntUeBS0fPZ9xy_enmH5Qgi0iSdBmwAn1CBnNghEKdMjvxTMjLxqn2mSO4gvxIh8ahJZDMN1p8KMYO98dM2XfyNndltnK-sd_DizNR9BQu10w5WSTLeFfOh61SxGKeq4Dt3W5USQlx7dEG7dRiBDvjFM6wo2HVeSnGEVphOwx80t1MQdhRN-YOHCAahIqy7Z0-BkPIIjTeUtl_pST8oMi0IgJoo9x1oomY3JZp2OxWuNyOVWDGVsDavGHc6wRhwK5pJrDceCWxNdPEwExeYA84WOAFXE2D6I3m",
          "size": 934
        }
      }
    ]
  },
  "sizeEstimate": 11716
}