C
C
Get GMail Message format=full
See more GMail REST API Examples
Examines the JSON returned when getting a message using format=full.Chilkat C Downloads
#include <C_CkHttp.h>
#include <C_CkHttpResponse.h>
#include <C_CkJsonObject.h>
void ChilkatSample(void)
{
BOOL success;
HCkHttp http;
const char *id;
HCkHttpResponse resp;
HCkJsonObject json;
const char *strVal;
const char *name;
const char *value;
const char *partId;
const char *mimeType;
const char *filename;
int bodySize;
const char *bodyAttachmentId;
int j;
int count_j;
const char *bodyData;
int k;
int count_k;
HCkJsonObject json1;
int i1;
int count_i1;
const char *id;
const char *threadId;
const char *snippet;
const char *historyId;
const char *internalDate;
const char *payloadPartId;
const char *payloadMimeType;
const char *payloadFilename;
int payloadBodySize;
int sizeEstimate;
int i;
int count_i;
success = FALSE;
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
http = CkHttp_Create();
CkHttp_putAuthToken(http,"ACCESS_TOKEN");
CkHttp_putAccept(http,"application/json");
// This is the ID for a particular message in our mailbox...
id = "1712bc1dc22da2a2";
// Download the message using format=full
CkHttp_SetUrlVar(http,"id",id);
resp = CkHttpResponse_Create();
success = CkHttp_HttpNoBody(http,"GET","https://www.googleapis.com/gmail/v1/users/userId/messages/{$id}?format=full",resp);
if (success == FALSE) {
printf("%s\n",CkHttp_lastErrorText(http));
CkHttp_Dispose(http);
CkHttpResponse_Dispose(resp);
return;
}
printf("Response Status Code: %d\n",CkHttpResponse_getStatusCode(resp));
json = CkJsonObject_Create();
CkJsonObject_Load(json,CkHttpResponse_bodyStr(resp));
CkJsonObject_putEmitCompact(json,FALSE);
printf("%s\n",CkJsonObject_emit(json));
if (CkHttpResponse_getStatusCode(resp) != 200) {
printf("Failed.\n");
CkHttp_Dispose(http);
CkHttpResponse_Dispose(resp);
CkJsonObject_Dispose(json);
return;
}
// 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.
json1 = CkJsonObject_Create();
id = CkJsonObject_stringOf(json,"id");
threadId = CkJsonObject_stringOf(json,"threadId");
snippet = CkJsonObject_stringOf(json,"snippet");
historyId = CkJsonObject_stringOf(json,"historyId");
internalDate = CkJsonObject_stringOf(json,"internalDate");
payloadPartId = CkJsonObject_stringOf(json,"payload.partId");
payloadMimeType = CkJsonObject_stringOf(json,"payload.mimeType");
payloadFilename = CkJsonObject_stringOf(json,"payload.filename");
payloadBodySize = CkJsonObject_IntOf(json,"payload.body.size");
sizeEstimate = CkJsonObject_IntOf(json,"sizeEstimate");
i = 0;
count_i = CkJsonObject_SizeOfArray(json,"labelIds");
while (i < count_i) {
CkJsonObject_putI(json,i);
strVal = CkJsonObject_stringOf(json,"labelIds[i]");
i = i + 1;
}
i = 0;
count_i = CkJsonObject_SizeOfArray(json,"payload.headers");
while (i < count_i) {
CkJsonObject_putI(json,i);
name = CkJsonObject_stringOf(json,"payload.headers[i].name");
value = CkJsonObject_stringOf(json,"payload.headers[i].value");
i = i + 1;
}
i = 0;
count_i = CkJsonObject_SizeOfArray(json,"payload.parts");
while (i < count_i) {
CkJsonObject_putI(json,i);
partId = CkJsonObject_stringOf(json,"payload.parts[i].partId");
mimeType = CkJsonObject_stringOf(json,"payload.parts[i].mimeType");
filename = CkJsonObject_stringOf(json,"payload.parts[i].filename");
bodySize = CkJsonObject_IntOf(json,"payload.parts[i].body.size");
bodyAttachmentId = CkJsonObject_stringOf(json,"payload.parts[i].body.attachmentId");
j = 0;
count_j = CkJsonObject_SizeOfArray(json,"payload.parts[i].headers");
while (j < count_j) {
CkJsonObject_putJ(json,j);
name = CkJsonObject_stringOf(json,"payload.parts[i].headers[j].name");
value = CkJsonObject_stringOf(json,"payload.parts[i].headers[j].value");
j = j + 1;
}
j = 0;
count_j = CkJsonObject_SizeOfArray(json,"payload.parts[i].parts");
while (j < count_j) {
CkJsonObject_putJ(json,j);
partId = CkJsonObject_stringOf(json,"payload.parts[i].parts[j].partId");
mimeType = CkJsonObject_stringOf(json,"payload.parts[i].parts[j].mimeType");
filename = CkJsonObject_stringOf(json,"payload.parts[i].parts[j].filename");
bodySize = CkJsonObject_IntOf(json,"payload.parts[i].parts[j].body.size");
bodyData = CkJsonObject_stringOf(json,"payload.parts[i].parts[j].body.data");
k = 0;
count_k = CkJsonObject_SizeOfArray(json,"payload.parts[i].parts[j].headers");
while (k < count_k) {
CkJsonObject_putK(json,k);
name = CkJsonObject_stringOf(json,"payload.parts[i].parts[j].headers[k].name");
value = CkJsonObject_stringOf(json,"payload.parts[i].parts[j].headers[k].value");
k = k + 1;
}
k = 0;
count_k = CkJsonObject_SizeOfArray(json,"payload.parts[i].parts[j].parts");
while (k < count_k) {
CkJsonObject_putK(json,k);
partId = CkJsonObject_stringOf(json,"payload.parts[i].parts[j].parts[k].partId");
mimeType = CkJsonObject_stringOf(json,"payload.parts[i].parts[j].parts[k].mimeType");
filename = CkJsonObject_stringOf(json,"payload.parts[i].parts[j].parts[k].filename");
bodySize = CkJsonObject_IntOf(json,"payload.parts[i].parts[j].parts[k].body.size");
bodyData = CkJsonObject_stringOf(json,"payload.parts[i].parts[j].parts[k].body.data");
bodyAttachmentId = CkJsonObject_stringOf(json,"payload.parts[i].parts[j].parts[k].body.attachmentId");
CkJsonObject_ObjectOf2(json,"payload.parts[i].parts[j].parts[k]",json1);
i1 = 0;
count_i1 = CkJsonObject_SizeOfArray(json1,"headers");
while (i1 < count_i1) {
CkJsonObject_putI(json1,i1);
name = CkJsonObject_stringOf(json1,"headers[i].name");
value = CkJsonObject_stringOf(json1,"headers[i].value");
i1 = i1 + 1;
}
k = k + 1;
}
j = j + 1;
}
i = i + 1;
}
CkHttp_Dispose(http);
CkHttpResponse_Dispose(resp);
CkJsonObject_Dispose(json);
CkJsonObject_Dispose(json1);
}