Chilkat Online Tools

VB.NET / Salesforce Platform APIs / Username Password Flow

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' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim http As New Chilkat.Http
Dim success As Boolean

Dim req As New Chilkat.HttpRequest
req.AddParam("grant_type","password")

Dim jsonParam2 As New Chilkat.JsonObject
req.AddParam("client_id",jsonParam2.Emit())

Dim jsonParam3 As New Chilkat.JsonObject
req.AddParam("client_secret",jsonParam3.Emit())

Dim jsonParam4 As New Chilkat.JsonObject
req.AddParam("username",jsonParam4.Emit())

Dim jsonParam5 As New Chilkat.JsonObject
req.AddParam("password",jsonParam5.Emit())

req.AddHeader("Accept","application/json")

Dim resp As Chilkat.HttpResponse = http.PostUrlEncoded("https://login.salesforce.com{{site}}/services/oauth2/token",req)
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim sbResponseBody As New Chilkat.StringBuilder
resp.GetBodySb(sbResponseBody)

Dim jResp As New Chilkat.JsonObject
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())

Dim respStatusCode As Integer = resp.StatusCode
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(resp.Header)
    Debug.WriteLine("Failed.")

    Exit Sub
End If



' Sample JSON response:
' (Sample code for parsing the JSON response is shown below)

' {
'   "access_token": "ACCESS_TOKEN_GOES_HERE",
'   "instance_url": "https://pozil-dev-ed.my.salesforce.com",
'   "id": "https://login.salesforce.com/id/00D58000000arpqEAA/00558000000yFyDAAU",
'   "token_type": "Bearer",
'   "issued_at": "1609942615640",
'   "signature": "SIGNATURE_GOES_HERE"
' }

' Sample code for parsing the JSON response...
' Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code




Dim access_token As String = jResp.StringOf("access_token")
Dim instance_url As String = jResp.StringOf("instance_url")
Dim id As String = jResp.StringOf("id")
Dim token_type As String = jResp.StringOf("token_type")
Dim issued_at As String = jResp.StringOf("issued_at")
Dim signature As String = jResp.StringOf("signature")

Curl Command

curl -X POST
	-H "Content-Type: application/x-www-form-urlencoded"
	-H "Accept: application/json"
	--data-urlencode 'grant_type=password'
	--data-urlencode 'client_id={{clientId}}'
	--data-urlencode 'client_secret={{clientSecret}}'
	--data-urlencode 'username={{username}}'
	--data-urlencode 'password={{password}}{{secretToken}}'
https://login.salesforce.com{{site}}/services/oauth2/token

Postman Collection Item JSON

{
  "name": "Username Password Flow",
  "event": [
    {
      "listen": "test",
      "script": {
        "exec": [
          "const jsonData = pm.response.json();",
          "const id = jsonData.id.split('/');",
          "",
          "const context = pm.environment.name ? pm.environment : pm.collectionVariables;",
          "context.set(\"_accessToken\", jsonData.access_token);",
          "context.set(\"_endpoint\", jsonData.instance_url);",
          "context.set(\"_userId\", id.pop());",
          "context.set(\"_orgId\", id.pop());",
          ""
        ],
        "type": "text/javascript"
      }
    }
  ],
  "request": {
    "auth": {
      "type": "noauth"
    },
    "method": "POST",
    "header": [
      {
        "key": "Content-Type",
        "value": "application/x-www-form-urlencoded"
      },
      {
        "key": "Accept",
        "value": "application/json",
        "type": "text"
      }
    ],
    "body": {
      "mode": "urlencoded",
      "urlencoded": [
        {
          "key": "grant_type",
          "value": "password",
          "type": "text"
        },
        {
          "key": "client_id",
          "value": "{{clientId}}",
          "type": "text"
        },
        {
          "key": "client_secret",
          "value": "{{clientSecret}}",
          "type": "text"
        },
        {
          "key": "username",
          "value": "{{username}}",
          "type": "text"
        },
        {
          "key": "password",
          "value": "{{password}}{{secretToken}}",
          "type": "text"
        }
      ]
    },
    "url": {
      "raw": "{{url}}{{site}}/services/oauth2/token",
      "host": [
        "{{url}}{{site}}"
      ],
      "path": [
        "services",
        "oauth2",
        "token"
      ]
    }
  },
  "response": [
    {
      "name": "Successful OAuth Username Password Login",
      "originalRequest": {
        "method": "POST",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/x-www-form-urlencoded"
          },
          {
            "key": "Accept",
            "value": "application/json",
            "type": "text"
          }
        ],
        "body": {
          "mode": "urlencoded",
          "urlencoded": [
            {
              "key": "grant_type",
              "value": "password",
              "type": "text"
            },
            {
              "key": "client_id",
              "value": "CLIENT_ID_GOES_HERE",
              "type": "text"
            },
            {
              "key": "client_secret",
              "value": "CLIENT_SECRET_GOES_HERE",
              "type": "text"
            },
            {
              "key": "username",
              "value": "demo@pozil.org",
              "type": "text"
            },
            {
              "key": "password",
              "value": "PASSWORD_AND_SECURITY_TOKEN_GO_HERE",
              "type": "text"
            }
          ]
        },
        "url": {
          "raw": "https://login.salesforce.com/services/oauth2/token",
          "protocol": "https",
          "host": [
            "login",
            "salesforce",
            "com"
          ],
          "path": [
            "services",
            "oauth2",
            "token"
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Date",
          "value": "Wed, 06 Jan 2021 14:16:55 GMT"
        },
        {
          "key": "Strict-Transport-Security",
          "value": "max-age=31536002; includeSubDomains"
        },
        {
          "key": "Public-Key-Pins-Report-Only",
          "value": "pin-sha256=\"9n0izTnSRF+W4W4WhQB8duS2bxVLfzXsY=\"; pin-sha256=\"5kJvNEMw0KjrCAu7eXY5HZdvSP91w=\"; pin-sha256=\"njN4rRG+zPUPHlv4+foULwl1g=\"; max-age=86400; includeSubDomains; report-uri=\"https://a.forcesslreports.com/hpkp-report/00D58000000arpqm\";"
        },
        {
          "key": "Expect-CT",
          "value": "max-age=86400, report-uri=\"https://a.forcesslreports.com/Expect-CT-report/00D58000000arpqm\""
        },
        {
          "key": "X-Robots-Tag",
          "value": "none"
        },
        {
          "key": "X-B3-TraceId",
          "value": "c21e47e40ecc875d"
        },
        {
          "key": "X-B3-SpanId",
          "value": "c21e47e40ecc875d"
        },
        {
          "key": "X-B3-Sampled",
          "value": "0"
        },
        {
          "key": "Cache-Control",
          "value": "no-cache,must-revalidate,max-age=0,no-store,private"
        },
        {
          "key": "Expires",
          "value": "Thu, 01 Jan 1970 00:00:00 GMT"
        },
        {
          "key": "X-ReadOnlyMode",
          "value": "false"
        },
        {
          "key": "Content-Type",
          "value": "application/json;charset=UTF-8"
        },
        {
          "key": "Vary",
          "value": "Accept-Encoding"
        },
        {
          "key": "Content-Encoding",
          "value": "gzip"
        },
        {
          "key": "Transfer-Encoding",
          "value": "chunked"
        }
      ],
      "cookie": [
      ],
      "body": "{\n    \"access_token\": \"ACCESS_TOKEN_GOES_HERE\",\n    \"instance_url\": \"https://pozil-dev-ed.my.salesforce.com\",\n    \"id\": \"https://login.salesforce.com/id/00D58000000arpqEAA/00558000000yFyDAAU\",\n    \"token_type\": \"Bearer\",\n    \"issued_at\": \"1609942615640\",\n    \"signature\": \"SIGNATURE_GOES_HERE\"\n}"
    }
  ]
}