Force.com Canvasのsigned-requestを検証&デコードするNode-REDノード ref: http://qiita.com/joeartsea/items/e9c3a65fbc68c0212100

file0.txt

$ node-red-admin target <Node-REDのエディタ画面のURL 例:https://node-red-123.herokuapp.com/red>
$ node-red-admin login
Username: <Herokuにデプロイする時に設定したユーザ名>
Password: <Herokuにデプロイする時に設定したパスワード>
Logged in
$ node-red-admin install node-red-contrib-force
Module:    node-red-contrib-force
Version:   0.0.6                 

Nodes                                               Types                  State  
node-red-contrib-force/chatter                      force-chatter in       enabled
node-red-contrib-force/forcedotcom                  force                  enabled
                                                    force in                      
node-red-contrib-force/forcedotcom-bulk             force-bulk in          enabled
node-red-contrib-force/forcedotcom-signed-request   force signed request   enabled

file1.txt

This is the payload: {{payload.aaa}} !

file2.html

<apex:page >
  <apex:canvasApp developerName="test"  />
</apex:page>

file3.html

<ul>{{#payload.records}}<li>{{Id}} : {{Name}}</li>{{/payload.records}}</ul>

file4.txt

[{
    "id": "4f9b24d7.b064dc",
    "type": "force",
    "z": "",
    "username": "",
    "loginurl": "https://login.salesforce.com",
    "logintype": "Signed-Request"
}, {
    "id": "68be3f5.f9741c",
    "type": "debug",
    "z": "569fcd48.a96034",
    "name": "",
    "active": true,
    "console": "false",
    "complete": "false",
    "x": 513,
    "y": 222,
    "wires": []
}, {
    "id": "d1e76ece.2e189",
    "type": "http in",
    "z": "569fcd48.a96034",
    "name": "",
    "url": "/canvas",
    "method": "post",
    "swaggerDoc": "",
    "x": 125,
    "y": 63,
    "wires": [
        ["f70ef5e8.08f108"]
    ]
}, {
    "id": "f70ef5e8.08f108",
    "type": "force signed request",
    "z": "569fcd48.a96034",
    "force": "4f9b24d7.b064dc",
    "name": "",
    "x": 320,
    "y": 64,
    "wires": [
        ["870ac031.78f54"]
    ]
}, {
    "id": "870ac031.78f54",
    "type": "change",
    "z": "569fcd48.a96034",
    "name": "",
    "rules": [{
        "t": "set",
        "p": "payload",
        "to": "Select Id, Name From Account"
    }],
    "action": "",
    "property": "",
    "from": "",
    "to": "",
    "reg": false,
    "x": 526,
    "y": 64,
    "wires": [
        ["9238e368.6dc72"]
    ]
}, {
    "id": "9238e368.6dc72",
    "type": "force in",
    "z": "569fcd48.a96034",
    "force": "4f9b24d7.b064dc",
    "operation": "query",
    "sobject": "",
    "extname": "",
    "name": "",
    "x": 128,
    "y": 135,
    "wires": [
        ["68be3f5.f9741c", "7612ac7f.89ed54"]
    ]
}, {
    "id": "5e74439f.a18bbc",
    "type": "http response",
    "z": "569fcd48.a96034",
    "name": "",
    "x": 494,
    "y": 135,
    "wires": []
}, {
    "id": "7612ac7f.89ed54",
    "type": "template",
    "z": "569fcd48.a96034",
    "name": "",
    "field": "payload",
    "format": "handlebars",
    "template": "<ul>{{#payload.records}}<li>{{Id}} : {{Name}}</li>{{/payload.records}}</ul>",
    "x": 310,
    "y": 137,
    "wires": [
        ["5e74439f.a18bbc"]
    ]
}]