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mirror of https://github.com/node-red/node-red.git synced 2023-10-10 13:36:53 +02:00

add examples for HTTP in/response node

This commit is contained in:
Hiroyasu Nishiyama 2021-02-03 16:34:17 +09:00
parent ac68e9c6b5
commit 024e71cdf5
7 changed files with 1084 additions and 0 deletions

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@ -0,0 +1,226 @@
[
{
"id": "87bd706a.aec93",
"type": "comment",
"z": "d41b4dd3.ecd6a",
"name": "Create an HTTP Endpoint",
"info": "The `HTTP In` and `HTTP Response` pair of nodes are the starting point for all HTTP endpoints you create.\n\nAny flow that starts with an `HTTP In` node must have a path to an `HTTP Response` node otherwise requests will eventually timeout.\n\nThe `HTTP Response` node uses the `payload` property of messages it receives as the body of the response. Other properties can be used to further customize the response - they are covered in other recipes.\n\nThe `Template` node provides a convenient way to embed a body of content into a flow. It may be desirable to maintain such static content outside of the flow.\n\nSee Node-RED cookbook [item](https://cookbook.nodered.org/http/create-an-http-endpoint) for details.",
"x": 230,
"y": 100,
"wires": []
},
{
"id": "7f10afe.b1faa5",
"type": "http in",
"z": "d41b4dd3.ecd6a",
"name": "",
"url": "/hello",
"method": "get",
"upload": false,
"swaggerDoc": "",
"x": 240,
"y": 140,
"wires": [
[
"db134063.83b7a"
]
]
},
{
"id": "d5ce67fc.e6e608",
"type": "http response",
"z": "d41b4dd3.ecd6a",
"name": "",
"statusCode": "",
"headers": {},
"x": 490,
"y": 140,
"wires": []
},
{
"id": "5a89ce70.db6d5",
"type": "http request",
"z": "d41b4dd3.ecd6a",
"name": "",
"method": "GET",
"ret": "txt",
"paytoqs": "ignore",
"url": "http://localhost:1880/hello",
"tls": "",
"persist": false,
"proxy": "",
"authType": "",
"x": 390,
"y": 280,
"wires": [
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]
},
{
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"type": "inject",
"z": "d41b4dd3.ecd6a",
"name": "",
"props": [
{
"p": "payload"
},
{
"p": "topic",
"vt": "str"
}
],
"repeat": "",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "",
"payloadType": "date",
"x": 240,
"y": 280,
"wires": [
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]
},
{
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"name": "",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "false",
"statusVal": "",
"statusType": "auto",
"x": 550,
"y": 280,
"wires": []
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{
"id": "3c61c12c.5abaae",
"type": "comment",
"z": "d41b4dd3.ecd6a",
"name": "Send HTTP request: http://localhost:1880/hello",
"info": "`http request` node can be used to make an **HTTP GET** request.\n\nSee Node-RED cookbook [item](https://cookbook.nodered.org/http/simple-get-request) for details.",
"x": 300,
"y": 200,
"wires": []
},
{
"id": "db134063.83b7a",
"type": "template",
"z": "d41b4dd3.ecd6a",
"name": "page",
"field": "payload",
"fieldType": "msg",
"format": "html",
"syntax": "mustache",
"template": "<html>\n <head></head>\n <body>\n <h1>Hello World!</h1>\n </body>\n</html>",
"output": "str",
"x": 370,
"y": 140,
"wires": [
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},
{
"id": "83e766b1.154438",
"type": "http request",
"z": "d41b4dd3.ecd6a",
"name": "",
"method": "GET",
"ret": "txt",
"paytoqs": "ignore",
"url": "",
"tls": "",
"persist": false,
"proxy": "",
"authType": "",
"x": 390,
"y": 360,
"wires": [
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},
{
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"type": "inject",
"z": "d41b4dd3.ecd6a",
"name": "",
"props": [
{
"p": "payload"
},
{
"p": "url",
"v": "http://localhost:1880/hello",
"vt": "str"
},
{
"p": "topic",
"vt": "str"
}
],
"repeat": "",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "",
"payloadType": "date",
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{
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"type": "debug",
"z": "d41b4dd3.ecd6a",
"name": "",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "false",
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"statusType": "auto",
"x": 550,
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"wires": []
},
{
"id": "a65364a3.c72a58",
"type": "comment",
"z": "d41b4dd3.ecd6a",
"name": "Set URL in HTTP request node setting panel",
"info": "`http request` node can be used to make an **HTTP GET** request.\n\nSee Node-RED cookbook [item](https://cookbook.nodered.org/http/simple-get-request) for details.",
"x": 490,
"y": 240,
"wires": []
},
{
"id": "47396a8e.6804f4",
"type": "comment",
"z": "d41b4dd3.ecd6a",
"name": "Set URL via url property of input message of HTTP request node",
"info": "Target URL of `http request` node can be specified via `url` property of input message.\n\nSee Node-RED cookbook [item](https://cookbook.nodered.org/http/set-request-url) for details.",
"x": 550,
"y": 320,
"wires": []
}
]

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[
{
"id": "ac0b58f6.c85138",
"type": "http in",
"z": "d41b4dd3.ecd6a",
"name": "",
"url": "/hello-query",
"method": "get",
"upload": false,
"swaggerDoc": "",
"x": 260,
"y": 560,
"wires": [
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},
{
"id": "c110b7f7.22f238",
"type": "http response",
"z": "d41b4dd3.ecd6a",
"name": "",
"statusCode": "",
"headers": {},
"x": 530,
"y": 560,
"wires": []
},
{
"id": "976b2bb3.f5ff98",
"type": "comment",
"z": "d41b4dd3.ecd6a",
"name": "Handle query parameters passed to an HTTP endpoint",
"info": "The `HTTP in` node can accept query parameters passwd to an HTTP endpoint. It use the `msg.req.query` property of the message sent by the HTTP In node to access the parameters.\n\nSee Node-RED cookbook [item](https://cookbook.nodered.org/http/handle-query-parameters) for details.",
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"wires": []
},
{
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"type": "inject",
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"name": "",
"props": [
{
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{
"p": "topic",
"vt": "str"
}
],
"repeat": "",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "",
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},
{
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"name": "",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "false",
"statusVal": "",
"statusType": "auto",
"x": 550,
"y": 660,
"wires": []
},
{
"id": "9a63c9c5.949128",
"type": "comment",
"z": "d41b4dd3.ecd6a",
"name": "Send HTTP GET request: http://localhost:1880/hello-query?name=Nick",
"info": "`http request` node can be used to send **HTTP GET** request.",
"x": 370,
"y": 620,
"wires": []
},
{
"id": "d9c345c7.c2e148",
"type": "template",
"z": "d41b4dd3.ecd6a",
"name": "page",
"field": "payload",
"fieldType": "msg",
"format": "html",
"syntax": "mustache",
"template": "<html>\n <head></head>\n <body>\n <h1>Hello {{req.query.name}}!</h1>\n </body>\n</html>",
"output": "str",
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"y": 560,
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{
"id": "9094aba0.095678",
"type": "http request",
"z": "d41b4dd3.ecd6a",
"name": "",
"method": "GET",
"ret": "txt",
"paytoqs": "ignore",
"url": "http://localhost:1880/hello-query?name=Nick",
"tls": "",
"persist": false,
"proxy": "",
"authType": "",
"x": 390,
"y": 660,
"wires": [
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}
]

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@ -0,0 +1,135 @@
[
{
"id": "9b2d7459.8dd598",
"type": "http in",
"z": "d41b4dd3.ecd6a",
"name": "",
"url": "/hello-param/:name",
"method": "get",
"upload": false,
"swaggerDoc": "",
"x": 290,
"y": 900,
"wires": [
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]
},
{
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"type": "http response",
"z": "d41b4dd3.ecd6a",
"name": "",
"statusCode": "",
"headers": {},
"x": 590,
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"wires": []
},
{
"id": "6e88d2b.828a92c",
"type": "comment",
"z": "d41b4dd3.ecd6a",
"name": "Handle URL parameters in an HTTP endpoint",
"info": "Named path parameters (e.g. `:name`) in the URL property can be used to identify parts of the path that can vary between requests.\n\nThe `msg.req.params` property is an object of key/value pairs for each path parameter.",
"x": 290,
"y": 860,
"wires": []
},
{
"id": "214bc398.b3482c",
"type": "http request",
"z": "d41b4dd3.ecd6a",
"name": "",
"method": "GET",
"ret": "txt",
"paytoqs": "ignore",
"url": "http://localhost:1880/hello-param/Nick",
"tls": "",
"persist": false,
"proxy": "",
"authType": "",
"x": 390,
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"wires": [
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"type": "debug",
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"name": "",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "false",
"statusVal": "",
"statusType": "auto",
"x": 550,
"y": 1000,
"wires": []
},
{
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"type": "template",
"z": "d41b4dd3.ecd6a",
"name": "page",
"field": "payload",
"fieldType": "msg",
"format": "html",
"syntax": "mustache",
"template": "<html>\n <head></head>\n <body>\n <h1>Hello {{req.params.name}}!</h1>\n </body>\n</html>",
"output": "str",
"x": 470,
"y": 900,
"wires": [
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},
{
"id": "89523bfe.6e5c18",
"type": "inject",
"z": "d41b4dd3.ecd6a",
"name": "",
"props": [
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{
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],
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"once": false,
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"topic": "",
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"payloadType": "date",
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{
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"type": "comment",
"z": "d41b4dd3.ecd6a",
"name": "Send HTTP GET request: http://localhost:1880/hello-param/Nick",
"info": "`http request` node can be used to send **HTTP GET** request.",
"x": 350,
"y": 960,
"wires": []
}
]

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@ -0,0 +1,140 @@
[
{
"id": "1ccc20e.71730df",
"type": "http in",
"z": "d41b4dd3.ecd6a",
"name": "",
"url": "/hello-headers",
"method": "get",
"upload": false,
"swaggerDoc": "",
"x": 270,
"y": 1260,
"wires": [
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},
{
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"type": "http response",
"z": "d41b4dd3.ecd6a",
"name": "",
"statusCode": "",
"headers": {},
"x": 550,
"y": 1260,
"wires": []
},
{
"id": "b13b7c19.79cbd",
"type": "comment",
"z": "d41b4dd3.ecd6a",
"name": "Access HTTP request headers",
"info": " `msg.req.headers` property of the message sent by the `HTTP In` node to access the headers.\n\nSee Node-RED cookbook [item](https://cookbook.nodered.org/http/access-http-request-headers) for details.",
"x": 240,
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"wires": []
},
{
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"type": "http request",
"z": "d41b4dd3.ecd6a",
"name": "",
"method": "GET",
"ret": "txt",
"paytoqs": "ignore",
"url": "http://localhost:1880/hello-headers",
"tls": "",
"persist": false,
"proxy": "",
"authType": "",
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{
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"name": "",
"active": true,
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{
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"type": "template",
"z": "d41b4dd3.ecd6a",
"name": "page",
"field": "payload",
"fieldType": "msg",
"format": "html",
"syntax": "mustache",
"template": "<html>\n <head></head>\n <body>\n <h1>User agent: {{req.headers.user-agent}}</h1>\n </body>\n</html>",
"output": "str",
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"y": 1260,
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{
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"type": "inject",
"z": "d41b4dd3.ecd6a",
"name": "",
"props": [
{
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{
"p": "headers",
"v": "{\"User-Agent\":\"Node-RED\"}",
"vt": "json"
},
{
"p": "topic",
"vt": "str"
}
],
"repeat": "",
"crontab": "",
"once": false,
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"type": "comment",
"z": "d41b4dd3.ecd6a",
"name": "Set HTTP request header & send HTTP GET request: http://localhost:1880/hello-headers",
"info": "The field value pairs of the request headers \nyou would like to include in the message sent to the `HTTP request` node can be specified by setting `the msg.headers` field.\n\nSee Node-RED cookbook [item](https://cookbook.nodered.org/http/set-request-header) for details.",
"x": 430,
"y": 1320,
"wires": []
}
]

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@ -0,0 +1,135 @@
[
{
"id": "69a64e3d.84da3",
"type": "http in",
"z": "d41b4dd3.ecd6a",
"name": "",
"url": "/hello-raw",
"method": "post",
"upload": false,
"swaggerDoc": "",
"x": 260,
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"wires": [
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{
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"z": "d41b4dd3.ecd6a",
"name": "",
"statusCode": "",
"headers": {},
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{
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"type": "comment",
"z": "d41b4dd3.ecd6a",
"name": "Post data to a flow",
"info": "The `HTTP In` node can listen for POST requests. It returns the posted data as `msg.payload`.\n\nSee Node-RED cookbook items(\n[post raw data(https://cookbook.nodered.org/http/post-raw-data-to-a-flow), [post form data](https://cookbook.nodered.org/http/post-form-data-to-a-flow), [post JSON data](https://cookbook.nodered.org/http/post-json-data-to-a-flow)\n) for details.",
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{
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"type": "http request",
"z": "d41b4dd3.ecd6a",
"name": "",
"method": "POST",
"ret": "txt",
"paytoqs": "ignore",
"url": "http://localhost:1880/hello-raw",
"tls": "",
"persist": false,
"proxy": "",
"authType": "",
"x": 370,
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]

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@ -0,0 +1,126 @@
[
{
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"type": "http in",
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"name": "",
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{
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"name": "Post file to a flow",
"info": "The `HTTP In` node can listen for POST requests for file upload. Information for uploaded files can be accessed from `msg.req.files`.\n",
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"wires": []
},
{
"id": "a888a043.ebb72",
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"template": "<html>\n <head></head>\n <body>\n <h1>Hello {{req.files.0.originalname}}</h1>\n </body>\n</html>",
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"x": 440,
"y": 1980,
"wires": [
[
"54f2edb5.62fca4"
]
]
},
{
"id": "6c3c1bf.48cc2e4",
"type": "comment",
"z": "d41b4dd3.ecd6a",
"name": "Create HTTP page for file upload: open http://localhost:1880/hello-upload \\n from Web browser. Then upload a file.",
"info": "",
"x": 440,
"y": 1820,
"wires": []
},
{
"id": "c6242caa.8ec63",
"type": "comment",
"z": "d41b4dd3.ecd6a",
"name": "Serve POST request for file upload",
"info": "",
"x": 320,
"y": 1940,
"wires": []
}
]

View File

@ -0,0 +1,187 @@
[
{
"id": "c362b989.954ae8",
"type": "http in",
"z": "d41b4dd3.ecd6a",
"name": "",
"url": "/hello-cookie",
"method": "get",
"swaggerDoc": "",
"x": 250,
"y": 2200,
"wires": [
[
"21ddf71f.d00518"
]
]
},
{
"id": "21ddf71f.d00518",
"type": "function",
"z": "d41b4dd3.ecd6a",
"name": "Format cookies",
"func": "msg.payload = JSON.stringify(msg.req.cookies,null,4);\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 460,
"y": 2200,
"wires": [
[
"f3aa98c1.befc18"
]
]
},
{
"id": "f3aa98c1.befc18",
"type": "template",
"z": "d41b4dd3.ecd6a",
"name": "page",
"field": "payload",
"fieldType": "msg",
"format": "html",
"syntax": "mustache",
"template": "<html>\n <head></head>\n <body>\n <h1>Cookies</h1>\n <a href=\"hello-cookie/add\">Add a cookie</a><br/>\n <a href=\"hello-cookie/clear\">Clear cookies</a><br/>\n <pre>{{ payload }}</pre>\n </body>\n</html>",
"output": "str",
"x": 650,
"y": 2200,
"wires": [
[
"f52e2880.180968"
]
]
},
{
"id": "f52e2880.180968",
"type": "http response",
"z": "d41b4dd3.ecd6a",
"name": "",
"x": 870,
"y": 2200,
"wires": []
},
{
"id": "9a2a9a4.0fc0768",
"type": "change",
"z": "d41b4dd3.ecd6a",
"name": "Redirect to /hello-cookie",
"rules": [
{
"t": "set",
"p": "statusCode",
"pt": "msg",
"to": "302",
"tot": "num"
},
{
"t": "set",
"p": "headers",
"pt": "msg",
"to": "{}",
"tot": "json"
},
{
"t": "set",
"p": "headers.location",
"pt": "msg",
"to": "/hello-cookie",
"tot": "str"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 670,
"y": 2260,
"wires": [
[
"f52e2880.180968"
]
]
},
{
"id": "afefb90.53dcf48",
"type": "function",
"z": "d41b4dd3.ecd6a",
"name": "Add a cookie",
"func": "msg.cookies = { };\nmsg.cookies[\"demo-\"+(Math.floor(Math.random()*1000))] = Date.now();\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 450,
"y": 2240,
"wires": [
[
"9a2a9a4.0fc0768"
]
]
},
{
"id": "d5205a2c.db9018",
"type": "function",
"z": "d41b4dd3.ecd6a",
"name": "Clear cookies",
"func": "// Find demo cookies and clear them\nvar cookieNames = Object.keys(msg.req.cookies).filter(function(cookieName) { return /^demo-/.test(cookieName);});\nmsg.cookies = {};\n\ncookieNames.forEach(function(cookieName) {\n msg.cookies[cookieName] = null;\n});\n\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 460,
"y": 2280,
"wires": [
[
"9a2a9a4.0fc0768"
]
]
},
{
"id": "fda60c66.04975",
"type": "http in",
"z": "d41b4dd3.ecd6a",
"name": "",
"url": "/hello-cookie/add",
"method": "get",
"swaggerDoc": "",
"x": 260,
"y": 2240,
"wires": [
[
"afefb90.53dcf48"
]
]
},
{
"id": "35285a76.1f8636",
"type": "http in",
"z": "d41b4dd3.ecd6a",
"name": "",
"url": "/hello-cookie/clear",
"method": "get",
"swaggerDoc": "",
"x": 260,
"y": 2280,
"wires": [
[
"d5205a2c.db9018"
]
]
},
{
"id": "cb094c2f.7e34d",
"type": "comment",
"z": "d41b4dd3.ecd6a",
"name": "Working with cookies",
"info": "The messages sent by the `HTTP In` node include the `msg.req.cookies` property that lists the cookies set on the current request.\n\nThe `HTTP Response` node will use the `msg.cookies` property in order to set or clear cookies.\n\nSee Node-RED cookbook [item](https://cookbook.nodered.org/http/work-with-cookies) for details.\n",
"x": 220,
"y": 2100,
"wires": []
},
{
"id": "287a9146.683afe",
"type": "comment",
"z": "d41b4dd3.ecd6a",
"name": "Create HTTP page for testing cookies: open http://localhost:1880/hello-cookie from Web browser. ",
"info": "",
"x": 500,
"y": 2160,
"wires": []
}
]